Commit | Line | Data |
---|---|---|
059ec3d9 PH |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
f9ba5e22 | 5 | /* Copyright (c) University of Cambridge 1995 - 2018 */ |
059ec3d9 PH |
6 | /* See the file NOTICE for conditions of use and distribution. */ |
7 | ||
8 | /* Functions for reading the configuration file, and for displaying | |
9 | overall configuration values. Thanks to Brian Candler for the original | |
10 | implementation of the conditional .ifdef etc. */ | |
11 | ||
12 | #include "exim.h" | |
13 | ||
d185889f | 14 | #ifdef MACRO_PREDEF |
5f69a529 | 15 | # include "macro_predef.h" |
d185889f | 16 | #endif |
059ec3d9 | 17 | |
d185889f JH |
18 | static uschar * syslog_facility_str; |
19 | static void fn_smtp_receive_timeout(const uschar *, const uschar *); | |
059ec3d9 PH |
20 | |
21 | /************************************************* | |
22 | * Main configuration options * | |
23 | *************************************************/ | |
24 | ||
25 | /* The list of options that can be set in the main configuration file. This | |
26 | must be in alphabetic order because it is searched by binary chop. */ | |
27 | ||
28 | static optionlist optionlist_config[] = { | |
29 | { "*set_exim_group", opt_bool|opt_hidden, &exim_gid_set }, | |
30 | { "*set_exim_user", opt_bool|opt_hidden, &exim_uid_set }, | |
31 | { "*set_system_filter_group", opt_bool|opt_hidden, &system_filter_gid_set }, | |
32 | { "*set_system_filter_user", opt_bool|opt_hidden, &system_filter_uid_set }, | |
33 | { "accept_8bitmime", opt_bool, &accept_8bitmime }, | |
34 | { "acl_not_smtp", opt_stringptr, &acl_not_smtp }, | |
54cdb463 PH |
35 | #ifdef WITH_CONTENT_SCAN |
36 | { "acl_not_smtp_mime", opt_stringptr, &acl_not_smtp_mime }, | |
37 | #endif | |
45b91596 | 38 | { "acl_not_smtp_start", opt_stringptr, &acl_not_smtp_start }, |
059ec3d9 PH |
39 | { "acl_smtp_auth", opt_stringptr, &acl_smtp_auth }, |
40 | { "acl_smtp_connect", opt_stringptr, &acl_smtp_connect }, | |
41 | { "acl_smtp_data", opt_stringptr, &acl_smtp_data }, | |
8ccd00b1 | 42 | #ifndef DISABLE_PRDR |
fd98a5c6 JH |
43 | { "acl_smtp_data_prdr", opt_stringptr, &acl_smtp_data_prdr }, |
44 | #endif | |
80a47a2c TK |
45 | #ifndef DISABLE_DKIM |
46 | { "acl_smtp_dkim", opt_stringptr, &acl_smtp_dkim }, | |
47 | #endif | |
059ec3d9 PH |
48 | { "acl_smtp_etrn", opt_stringptr, &acl_smtp_etrn }, |
49 | { "acl_smtp_expn", opt_stringptr, &acl_smtp_expn }, | |
50 | { "acl_smtp_helo", opt_stringptr, &acl_smtp_helo }, | |
51 | { "acl_smtp_mail", opt_stringptr, &acl_smtp_mail }, | |
52 | { "acl_smtp_mailauth", opt_stringptr, &acl_smtp_mailauth }, | |
8523533c TK |
53 | #ifdef WITH_CONTENT_SCAN |
54 | { "acl_smtp_mime", opt_stringptr, &acl_smtp_mime }, | |
55 | #endif | |
8f128379 | 56 | { "acl_smtp_notquit", opt_stringptr, &acl_smtp_notquit }, |
059ec3d9 PH |
57 | { "acl_smtp_predata", opt_stringptr, &acl_smtp_predata }, |
58 | { "acl_smtp_quit", opt_stringptr, &acl_smtp_quit }, | |
59 | { "acl_smtp_rcpt", opt_stringptr, &acl_smtp_rcpt }, | |
60 | #ifdef SUPPORT_TLS | |
61 | { "acl_smtp_starttls", opt_stringptr, &acl_smtp_starttls }, | |
62 | #endif | |
63 | { "acl_smtp_vrfy", opt_stringptr, &acl_smtp_vrfy }, | |
bc3c7bb7 | 64 | { "add_environment", opt_stringptr, &add_environment }, |
059ec3d9 PH |
65 | { "admin_groups", opt_gidlist, &admin_groups }, |
66 | { "allow_domain_literals", opt_bool, &allow_domain_literals }, | |
67 | { "allow_mx_to_ip", opt_bool, &allow_mx_to_ip }, | |
68 | { "allow_utf8_domains", opt_bool, &allow_utf8_domains }, | |
69 | { "auth_advertise_hosts", opt_stringptr, &auth_advertise_hosts }, | |
70 | { "auto_thaw", opt_time, &auto_thaw }, | |
8523533c TK |
71 | #ifdef WITH_CONTENT_SCAN |
72 | { "av_scanner", opt_stringptr, &av_scanner }, | |
73 | #endif | |
059ec3d9 | 74 | { "bi_command", opt_stringptr, &bi_command }, |
8523533c TK |
75 | #ifdef EXPERIMENTAL_BRIGHTMAIL |
76 | { "bmi_config_file", opt_stringptr, &bmi_config_file }, | |
77 | #endif | |
059ec3d9 PH |
78 | { "bounce_message_file", opt_stringptr, &bounce_message_file }, |
79 | { "bounce_message_text", opt_stringptr, &bounce_message_text }, | |
80 | { "bounce_return_body", opt_bool, &bounce_return_body }, | |
62b7cd08 | 81 | { "bounce_return_linesize_limit", opt_mkint, &bounce_return_linesize_limit }, |
059ec3d9 PH |
82 | { "bounce_return_message", opt_bool, &bounce_return_message }, |
83 | { "bounce_return_size_limit", opt_mkint, &bounce_return_size_limit }, | |
84 | { "bounce_sender_authentication",opt_stringptr,&bounce_sender_authentication }, | |
85 | { "callout_domain_negative_expire", opt_time, &callout_cache_domain_negative_expire }, | |
86 | { "callout_domain_positive_expire", opt_time, &callout_cache_domain_positive_expire }, | |
87 | { "callout_negative_expire", opt_time, &callout_cache_negative_expire }, | |
88 | { "callout_positive_expire", opt_time, &callout_cache_positive_expire }, | |
89 | { "callout_random_local_part",opt_stringptr, &callout_random_local_part }, | |
90 | { "check_log_inodes", opt_int, &check_log_inodes }, | |
91 | { "check_log_space", opt_Kint, &check_log_space }, | |
a0d6ba8a | 92 | { "check_rfc2047_length", opt_bool, &check_rfc2047_length }, |
059ec3d9 PH |
93 | { "check_spool_inodes", opt_int, &check_spool_inodes }, |
94 | { "check_spool_space", opt_Kint, &check_spool_space }, | |
aa368db3 | 95 | { "chunking_advertise_hosts", opt_stringptr, &chunking_advertise_hosts }, |
f33875c3 | 96 | { "commandline_checks_require_admin", opt_bool,&commandline_checks_require_admin }, |
059ec3d9 PH |
97 | { "daemon_smtp_port", opt_stringptr|opt_hidden, &daemon_smtp_port }, |
98 | { "daemon_smtp_ports", opt_stringptr, &daemon_smtp_port }, | |
4aee0225 PH |
99 | { "daemon_startup_retries", opt_int, &daemon_startup_retries }, |
100 | { "daemon_startup_sleep", opt_time, &daemon_startup_sleep }, | |
6a8f9482 TK |
101 | #ifdef EXPERIMENTAL_DCC |
102 | { "dcc_direct_add_header", opt_bool, &dcc_direct_add_header }, | |
103 | { "dccifd_address", opt_stringptr, &dccifd_address }, | |
104 | { "dccifd_options", opt_stringptr, &dccifd_options }, | |
105 | #endif | |
64073d9c | 106 | { "debug_store", opt_bool, &debug_store }, |
059ec3d9 PH |
107 | { "delay_warning", opt_timelist, &delay_warning }, |
108 | { "delay_warning_condition", opt_stringptr, &delay_warning_condition }, | |
109 | { "deliver_drop_privilege", opt_bool, &deliver_drop_privilege }, | |
110 | { "deliver_queue_load_max", opt_fixed, &deliver_queue_load_max }, | |
111 | { "delivery_date_remove", opt_bool, &delivery_date_remove }, | |
54fc8428 PH |
112 | #ifdef ENABLE_DISABLE_FSYNC |
113 | { "disable_fsync", opt_bool, &disable_fsync }, | |
114 | #endif | |
7e66e54d | 115 | { "disable_ipv6", opt_bool, &disable_ipv6 }, |
80a47a2c TK |
116 | #ifndef DISABLE_DKIM |
117 | { "dkim_verify_signers", opt_stringptr, &dkim_verify_signers }, | |
4840604e TL |
118 | #endif |
119 | #ifdef EXPERIMENTAL_DMARC | |
120 | { "dmarc_forensic_sender", opt_stringptr, &dmarc_forensic_sender }, | |
121 | { "dmarc_history_file", opt_stringptr, &dmarc_history_file }, | |
122 | { "dmarc_tld_file", opt_stringptr, &dmarc_tld_file }, | |
80a47a2c | 123 | #endif |
059ec3d9 PH |
124 | { "dns_again_means_nonexist", opt_stringptr, &dns_again_means_nonexist }, |
125 | { "dns_check_names_pattern", opt_stringptr, &check_dns_names_pattern }, | |
e5a9dba6 PH |
126 | { "dns_csa_search_limit", opt_int, &dns_csa_search_limit }, |
127 | { "dns_csa_use_reverse", opt_bool, &dns_csa_use_reverse }, | |
83712b39 | 128 | { "dns_dnssec_ok", opt_int, &dns_dnssec_ok }, |
059ec3d9 PH |
129 | { "dns_ipv4_lookup", opt_stringptr, &dns_ipv4_lookup }, |
130 | { "dns_retrans", opt_time, &dns_retrans }, | |
131 | { "dns_retry", opt_int, &dns_retry }, | |
9820a77f | 132 | { "dns_trust_aa", opt_stringptr, &dns_trust_aa }, |
e97d1f08 | 133 | { "dns_use_edns0", opt_int, &dns_use_edns0 }, |
4c04137d | 134 | /* This option is now a no-op, retained for compatibility */ |
059ec3d9 PH |
135 | { "drop_cr", opt_bool, &drop_cr }, |
136 | /*********************************************************/ | |
6c1c3d1d | 137 | { "dsn_advertise_hosts", opt_stringptr, &dsn_advertise_hosts }, |
0e22dfd1 | 138 | { "dsn_from", opt_stringptr, &dsn_from }, |
059ec3d9 PH |
139 | { "envelope_to_remove", opt_bool, &envelope_to_remove }, |
140 | { "errors_copy", opt_stringptr, &errors_copy }, | |
141 | { "errors_reply_to", opt_stringptr, &errors_reply_to }, | |
0cbf2b82 | 142 | #ifndef DISABLE_EVENT |
774ef2d7 JH |
143 | { "event_action", opt_stringptr, &event_action }, |
144 | #endif | |
059ec3d9 PH |
145 | { "exim_group", opt_gid, &exim_gid }, |
146 | { "exim_path", opt_stringptr, &exim_path }, | |
147 | { "exim_user", opt_uid, &exim_uid }, | |
148 | { "extra_local_interfaces", opt_stringptr, &extra_local_interfaces }, | |
149 | { "extract_addresses_remove_arguments", opt_bool, &extract_addresses_remove_arguments }, | |
150 | { "finduser_retries", opt_int, &finduser_retries }, | |
151 | { "freeze_tell", opt_stringptr, &freeze_tell }, | |
152 | { "gecos_name", opt_stringptr, &gecos_name }, | |
153 | { "gecos_pattern", opt_stringptr, &gecos_pattern }, | |
83da1223 | 154 | #ifdef SUPPORT_TLS |
2519e60d | 155 | { "gnutls_allow_auto_pkcs11", opt_bool, &gnutls_allow_auto_pkcs11 }, |
e6060e2c | 156 | { "gnutls_compat_mode", opt_bool, &gnutls_compat_mode }, |
83da1223 | 157 | #endif |
059ec3d9 PH |
158 | { "header_line_maxsize", opt_int, &header_line_maxsize }, |
159 | { "header_maxsize", opt_int, &header_maxsize }, | |
160 | { "headers_charset", opt_stringptr, &headers_charset }, | |
161 | { "helo_accept_junk_hosts", opt_stringptr, &helo_accept_junk_hosts }, | |
162 | { "helo_allow_chars", opt_stringptr, &helo_allow_chars }, | |
163 | { "helo_lookup_domains", opt_stringptr, &helo_lookup_domains }, | |
164 | { "helo_try_verify_hosts", opt_stringptr, &helo_try_verify_hosts }, | |
165 | { "helo_verify_hosts", opt_stringptr, &helo_verify_hosts }, | |
166 | { "hold_domains", opt_stringptr, &hold_domains }, | |
167 | { "host_lookup", opt_stringptr, &host_lookup }, | |
168 | { "host_lookup_order", opt_stringptr, &host_lookup_order }, | |
169 | { "host_reject_connection", opt_stringptr, &host_reject_connection }, | |
170 | { "hosts_connection_nolog", opt_stringptr, &hosts_connection_nolog }, | |
cee5f132 | 171 | #ifdef SUPPORT_PROXY |
7a2fa0bc | 172 | { "hosts_proxy", opt_stringptr, &hosts_proxy }, |
cee5f132 | 173 | #endif |
059ec3d9 PH |
174 | { "hosts_treat_as_local", opt_stringptr, &hosts_treat_as_local }, |
175 | #ifdef LOOKUP_IBASE | |
176 | { "ibase_servers", opt_stringptr, &ibase_servers }, | |
177 | #endif | |
178 | { "ignore_bounce_errors_after", opt_time, &ignore_bounce_errors_after }, | |
179 | { "ignore_fromline_hosts", opt_stringptr, &ignore_fromline_hosts }, | |
180 | { "ignore_fromline_local", opt_bool, &ignore_fromline_local }, | |
bc3c7bb7 | 181 | { "keep_environment", opt_stringptr, &keep_environment }, |
059ec3d9 PH |
182 | { "keep_malformed", opt_time, &keep_malformed }, |
183 | #ifdef LOOKUP_LDAP | |
bc19a55b PP |
184 | { "ldap_ca_cert_dir", opt_stringptr, &eldap_ca_cert_dir }, |
185 | { "ldap_ca_cert_file", opt_stringptr, &eldap_ca_cert_file }, | |
186 | { "ldap_cert_file", opt_stringptr, &eldap_cert_file }, | |
187 | { "ldap_cert_key", opt_stringptr, &eldap_cert_key }, | |
188 | { "ldap_cipher_suite", opt_stringptr, &eldap_cipher_suite }, | |
059ec3d9 | 189 | { "ldap_default_servers", opt_stringptr, &eldap_default_servers }, |
bc19a55b PP |
190 | { "ldap_require_cert", opt_stringptr, &eldap_require_cert }, |
191 | { "ldap_start_tls", opt_bool, &eldap_start_tls }, | |
059ec3d9 PH |
192 | { "ldap_version", opt_int, &eldap_version }, |
193 | #endif | |
194 | { "local_from_check", opt_bool, &local_from_check }, | |
195 | { "local_from_prefix", opt_stringptr, &local_from_prefix }, | |
196 | { "local_from_suffix", opt_stringptr, &local_from_suffix }, | |
197 | { "local_interfaces", opt_stringptr, &local_interfaces }, | |
9723f966 | 198 | #ifdef HAVE_LOCAL_SCAN |
059ec3d9 | 199 | { "local_scan_timeout", opt_time, &local_scan_timeout }, |
9723f966 | 200 | #endif |
059ec3d9 PH |
201 | { "local_sender_retain", opt_bool, &local_sender_retain }, |
202 | { "localhost_number", opt_stringptr, &host_number_string }, | |
203 | { "log_file_path", opt_stringptr, &log_file_path }, | |
204 | { "log_selector", opt_stringptr, &log_selector_string }, | |
205 | { "log_timezone", opt_bool, &log_timezone }, | |
206 | { "lookup_open_max", opt_int, &lookup_open_max }, | |
207 | { "max_username_length", opt_int, &max_username_length }, | |
ddea74fa | 208 | { "message_body_newlines", opt_bool, &message_body_newlines }, |
059ec3d9 PH |
209 | { "message_body_visible", opt_mkint, &message_body_visible }, |
210 | { "message_id_header_domain", opt_stringptr, &message_id_domain }, | |
211 | { "message_id_header_text", opt_stringptr, &message_id_text }, | |
212 | { "message_logs", opt_bool, &message_logs }, | |
213 | { "message_size_limit", opt_stringptr, &message_size_limit }, | |
214 | #ifdef SUPPORT_MOVE_FROZEN_MESSAGES | |
215 | { "move_frozen_messages", opt_bool, &move_frozen_messages }, | |
216 | #endif | |
217 | { "mua_wrapper", opt_bool, &mua_wrapper }, | |
218 | #ifdef LOOKUP_MYSQL | |
219 | { "mysql_servers", opt_stringptr, &mysql_servers }, | |
220 | #endif | |
221 | { "never_users", opt_uidlist, &never_users }, | |
77bb000f PP |
222 | #ifdef SUPPORT_TLS |
223 | { "openssl_options", opt_stringptr, &openssl_options }, | |
224 | #endif | |
059ec3d9 PH |
225 | #ifdef LOOKUP_ORACLE |
226 | { "oracle_servers", opt_stringptr, &oracle_servers }, | |
227 | #endif | |
228 | { "percent_hack_domains", opt_stringptr, &percent_hack_domains }, | |
229 | #ifdef EXIM_PERL | |
230 | { "perl_at_start", opt_bool, &opt_perl_at_start }, | |
231 | { "perl_startup", opt_stringptr, &opt_perl_startup }, | |
2f680c0c | 232 | { "perl_taintmode", opt_bool, &opt_perl_taintmode }, |
059ec3d9 PH |
233 | #endif |
234 | #ifdef LOOKUP_PGSQL | |
235 | { "pgsql_servers", opt_stringptr, &pgsql_servers }, | |
236 | #endif | |
237 | { "pid_file_path", opt_stringptr, &pid_file_path }, | |
238 | { "pipelining_advertise_hosts", opt_stringptr, &pipelining_advertise_hosts }, | |
8ccd00b1 | 239 | #ifndef DISABLE_PRDR |
fd98a5c6 JH |
240 | { "prdr_enable", opt_bool, &prdr_enable }, |
241 | #endif | |
059ec3d9 PH |
242 | { "preserve_message_logs", opt_bool, &preserve_message_logs }, |
243 | { "primary_hostname", opt_stringptr, &primary_hostname }, | |
244 | { "print_topbitchars", opt_bool, &print_topbitchars }, | |
245 | { "process_log_path", opt_stringptr, &process_log_path }, | |
246 | { "prod_requires_admin", opt_bool, &prod_requires_admin }, | |
247 | { "qualify_domain", opt_stringptr, &qualify_domain_sender }, | |
248 | { "qualify_recipient", opt_stringptr, &qualify_domain_recipient }, | |
249 | { "queue_domains", opt_stringptr, &queue_domains }, | |
250 | { "queue_list_requires_admin",opt_bool, &queue_list_requires_admin }, | |
251 | { "queue_only", opt_bool, &queue_only }, | |
252 | { "queue_only_file", opt_stringptr, &queue_only_file }, | |
253 | { "queue_only_load", opt_fixed, &queue_only_load }, | |
8669f003 | 254 | { "queue_only_load_latch", opt_bool, &queue_only_load_latch }, |
059ec3d9 PH |
255 | { "queue_only_override", opt_bool, &queue_only_override }, |
256 | { "queue_run_in_order", opt_bool, &queue_run_in_order }, | |
0cd5fd23 | 257 | { "queue_run_max", opt_stringptr, &queue_run_max }, |
059ec3d9 PH |
258 | { "queue_smtp_domains", opt_stringptr, &queue_smtp_domains }, |
259 | { "receive_timeout", opt_time, &receive_timeout }, | |
260 | { "received_header_text", opt_stringptr, &received_header_text }, | |
261 | { "received_headers_max", opt_int, &received_headers_max }, | |
262 | { "recipient_unqualified_hosts", opt_stringptr, &recipient_unqualified_hosts }, | |
263 | { "recipients_max", opt_int, &recipients_max }, | |
264 | { "recipients_max_reject", opt_bool, &recipients_max_reject }, | |
de78e2d5 | 265 | #ifdef LOOKUP_REDIS |
9bdd29ad TL |
266 | { "redis_servers", opt_stringptr, &redis_servers }, |
267 | #endif | |
059ec3d9 PH |
268 | { "remote_max_parallel", opt_int, &remote_max_parallel }, |
269 | { "remote_sort_domains", opt_stringptr, &remote_sort_domains }, | |
270 | { "retry_data_expire", opt_time, &retry_data_expire }, | |
271 | { "retry_interval_max", opt_time, &retry_interval_max }, | |
272 | { "return_path_remove", opt_bool, &return_path_remove }, | |
273 | { "return_size_limit", opt_mkint|opt_hidden, &bounce_return_size_limit }, | |
274 | { "rfc1413_hosts", opt_stringptr, &rfc1413_hosts }, | |
275 | { "rfc1413_query_timeout", opt_time, &rfc1413_query_timeout }, | |
276 | { "sender_unqualified_hosts", opt_stringptr, &sender_unqualified_hosts }, | |
846430d9 | 277 | { "slow_lookup_log", opt_int, &slow_lookup_log }, |
059ec3d9 PH |
278 | { "smtp_accept_keepalive", opt_bool, &smtp_accept_keepalive }, |
279 | { "smtp_accept_max", opt_int, &smtp_accept_max }, | |
280 | { "smtp_accept_max_nonmail", opt_int, &smtp_accept_max_nonmail }, | |
281 | { "smtp_accept_max_nonmail_hosts", opt_stringptr, &smtp_accept_max_nonmail_hosts }, | |
282 | { "smtp_accept_max_per_connection", opt_int, &smtp_accept_max_per_connection }, | |
283 | { "smtp_accept_max_per_host", opt_stringptr, &smtp_accept_max_per_host }, | |
284 | { "smtp_accept_queue", opt_int, &smtp_accept_queue }, | |
285 | { "smtp_accept_queue_per_connection", opt_int, &smtp_accept_queue_per_connection }, | |
286 | { "smtp_accept_reserve", opt_int, &smtp_accept_reserve }, | |
287 | { "smtp_active_hostname", opt_stringptr, &raw_active_hostname }, | |
288 | { "smtp_banner", opt_stringptr, &smtp_banner }, | |
289 | { "smtp_check_spool_space", opt_bool, &smtp_check_spool_space }, | |
290 | { "smtp_connect_backlog", opt_int, &smtp_connect_backlog }, | |
291 | { "smtp_enforce_sync", opt_bool, &smtp_enforce_sync }, | |
292 | { "smtp_etrn_command", opt_stringptr, &smtp_etrn_command }, | |
293 | { "smtp_etrn_serialize", opt_bool, &smtp_etrn_serialize }, | |
294 | { "smtp_load_reserve", opt_fixed, &smtp_load_reserve }, | |
295 | { "smtp_max_synprot_errors", opt_int, &smtp_max_synprot_errors }, | |
296 | { "smtp_max_unknown_commands",opt_int, &smtp_max_unknown_commands }, | |
297 | { "smtp_ratelimit_hosts", opt_stringptr, &smtp_ratelimit_hosts }, | |
298 | { "smtp_ratelimit_mail", opt_stringptr, &smtp_ratelimit_mail }, | |
299 | { "smtp_ratelimit_rcpt", opt_stringptr, &smtp_ratelimit_rcpt }, | |
1ad6489e | 300 | { "smtp_receive_timeout", opt_func, &fn_smtp_receive_timeout }, |
059ec3d9 PH |
301 | { "smtp_reserve_hosts", opt_stringptr, &smtp_reserve_hosts }, |
302 | { "smtp_return_error_details",opt_bool, &smtp_return_error_details }, | |
8c5d388a | 303 | #ifdef SUPPORT_I18N |
3d1451ea JH |
304 | { "smtputf8_advertise_hosts", opt_stringptr, &smtputf8_advertise_hosts }, |
305 | #endif | |
8523533c TK |
306 | #ifdef WITH_CONTENT_SCAN |
307 | { "spamd_address", opt_stringptr, &spamd_address }, | |
65a7d8c3 | 308 | #endif |
7952eef9 | 309 | #ifdef SUPPORT_SPF |
65a7d8c3 | 310 | { "spf_guess", opt_stringptr, &spf_guess }, |
8523533c | 311 | #endif |
059ec3d9 PH |
312 | { "split_spool_directory", opt_bool, &split_spool_directory }, |
313 | { "spool_directory", opt_stringptr, &spool_directory }, | |
328c5688 | 314 | { "spool_wireformat", opt_bool, &spool_wireformat }, |
31480e42 PH |
315 | #ifdef LOOKUP_SQLITE |
316 | { "sqlite_lock_timeout", opt_int, &sqlite_lock_timeout }, | |
317 | #endif | |
8523533c TK |
318 | #ifdef EXPERIMENTAL_SRS |
319 | { "srs_config", opt_stringptr, &srs_config }, | |
384152a6 TK |
320 | { "srs_hashlength", opt_int, &srs_hashlength }, |
321 | { "srs_hashmin", opt_int, &srs_hashmin }, | |
322 | { "srs_maxage", opt_int, &srs_maxage }, | |
323 | { "srs_secrets", opt_stringptr, &srs_secrets }, | |
324 | { "srs_usehash", opt_bool, &srs_usehash }, | |
325 | { "srs_usetimestamp", opt_bool, &srs_usetimestamp }, | |
8523533c | 326 | #endif |
38a0a95f | 327 | { "strict_acl_vars", opt_bool, &strict_acl_vars }, |
059ec3d9 PH |
328 | { "strip_excess_angle_brackets", opt_bool, &strip_excess_angle_brackets }, |
329 | { "strip_trailing_dot", opt_bool, &strip_trailing_dot }, | |
330 | { "syslog_duplication", opt_bool, &syslog_duplication }, | |
331 | { "syslog_facility", opt_stringptr, &syslog_facility_str }, | |
2333e06f | 332 | { "syslog_pid", opt_bool, &syslog_pid }, |
059ec3d9 PH |
333 | { "syslog_processname", opt_stringptr, &syslog_processname }, |
334 | { "syslog_timestamp", opt_bool, &syslog_timestamp }, | |
335 | { "system_filter", opt_stringptr, &system_filter }, | |
336 | { "system_filter_directory_transport", opt_stringptr,&system_filter_directory_transport }, | |
337 | { "system_filter_file_transport",opt_stringptr,&system_filter_file_transport }, | |
338 | { "system_filter_group", opt_gid, &system_filter_gid }, | |
339 | { "system_filter_pipe_transport",opt_stringptr,&system_filter_pipe_transport }, | |
340 | { "system_filter_reply_transport",opt_stringptr,&system_filter_reply_transport }, | |
341 | { "system_filter_user", opt_uid, &system_filter_uid }, | |
342 | { "tcp_nodelay", opt_bool, &tcp_nodelay }, | |
5dc43717 JJ |
343 | #ifdef USE_TCP_WRAPPERS |
344 | { "tcp_wrappers_daemon_name", opt_stringptr, &tcp_wrappers_daemon_name }, | |
345 | #endif | |
059ec3d9 PH |
346 | { "timeout_frozen_after", opt_time, &timeout_frozen_after }, |
347 | { "timezone", opt_stringptr, &timezone_string }, | |
059ec3d9 | 348 | { "tls_advertise_hosts", opt_stringptr, &tls_advertise_hosts }, |
23f3dc67 | 349 | #ifdef SUPPORT_TLS |
059ec3d9 PH |
350 | { "tls_certificate", opt_stringptr, &tls_certificate }, |
351 | { "tls_crl", opt_stringptr, &tls_crl }, | |
3375e053 | 352 | { "tls_dh_max_bits", opt_int, &tls_dh_max_bits }, |
059ec3d9 | 353 | { "tls_dhparam", opt_stringptr, &tls_dhparam }, |
10ca4f1c | 354 | { "tls_eccurve", opt_stringptr, &tls_eccurve }, |
f2de3a33 | 355 | # ifndef DISABLE_OCSP |
3f7eeb86 | 356 | { "tls_ocsp_file", opt_stringptr, &tls_ocsp_file }, |
817d9f57 JH |
357 | # endif |
358 | { "tls_on_connect_ports", opt_stringptr, &tls_in.on_connect_ports }, | |
059ec3d9 PH |
359 | { "tls_privatekey", opt_stringptr, &tls_privatekey }, |
360 | { "tls_remember_esmtp", opt_bool, &tls_remember_esmtp }, | |
361 | { "tls_require_ciphers", opt_stringptr, &tls_require_ciphers }, | |
362 | { "tls_try_verify_hosts", opt_stringptr, &tls_try_verify_hosts }, | |
363 | { "tls_verify_certificates", opt_stringptr, &tls_verify_certificates }, | |
364 | { "tls_verify_hosts", opt_stringptr, &tls_verify_hosts }, | |
365 | #endif | |
366 | { "trusted_groups", opt_gidlist, &trusted_groups }, | |
367 | { "trusted_users", opt_uidlist, &trusted_users }, | |
368 | { "unknown_login", opt_stringptr, &unknown_login }, | |
369 | { "unknown_username", opt_stringptr, &unknown_username }, | |
370 | { "untrusted_set_sender", opt_stringptr, &untrusted_set_sender }, | |
371 | { "uucp_from_pattern", opt_stringptr, &uucp_from_pattern }, | |
372 | { "uucp_from_sender", opt_stringptr, &uucp_from_sender }, | |
373 | { "warn_message_file", opt_stringptr, &warn_message_file }, | |
374 | { "write_rejectlog", opt_bool, &write_rejectlog } | |
375 | }; | |
376 | ||
cab0c277 | 377 | #ifndef MACRO_PREDEF |
d7bed771 | 378 | static int optionlist_config_size = nelem(optionlist_config); |
cab0c277 | 379 | #endif |
059ec3d9 PH |
380 | |
381 | ||
d185889f JH |
382 | #ifdef MACRO_PREDEF |
383 | ||
384 | static void fn_smtp_receive_timeout(const uschar * name, const uschar * str) {/*Dummy*/} | |
385 | ||
386 | void | |
387 | options_main(void) | |
388 | { | |
389 | options_from_list(optionlist_config, nelem(optionlist_config), US"MAIN", NULL); | |
390 | } | |
391 | ||
392 | void | |
393 | options_auths(void) | |
394 | { | |
395 | struct auth_info * ai; | |
396 | uschar buf[64]; | |
397 | ||
398 | options_from_list(optionlist_auths, optionlist_auths_size, US"AUTHENTICATORS", NULL); | |
399 | ||
400 | for (ai = auths_available; ai->driver_name[0]; ai++) | |
401 | { | |
cab0c277 | 402 | spf(buf, sizeof(buf), US"_DRIVER_AUTHENTICATOR_%T", ai->driver_name); |
d185889f JH |
403 | builtin_macro_create(buf); |
404 | options_from_list(ai->options, (unsigned)*ai->options_count, US"AUTHENTICATOR", ai->driver_name); | |
405 | } | |
406 | } | |
407 | ||
408 | ||
409 | #else /*!MACRO_PREDEF*/ | |
410 | ||
411 | extern char **environ; | |
412 | ||
413 | static void save_config_line(const uschar* line); | |
414 | static void save_config_position(const uschar *file, int line); | |
415 | static void print_config(BOOL admin, BOOL terse); | |
416 | ||
417 | ||
418 | #define CSTATE_STACK_SIZE 10 | |
419 | ||
420 | const uschar *config_directory = NULL; | |
421 | ||
422 | ||
423 | /* Structure for chain (stack) of .included files */ | |
424 | ||
425 | typedef struct config_file_item { | |
426 | struct config_file_item *next; | |
427 | const uschar *filename; | |
428 | const uschar *directory; | |
429 | FILE *file; | |
430 | int lineno; | |
431 | } config_file_item; | |
432 | ||
433 | /* Structure for chain of configuration lines (-bP config) */ | |
434 | ||
435 | typedef struct config_line_item { | |
436 | struct config_line_item *next; | |
437 | uschar *line; | |
438 | } config_line_item; | |
439 | ||
440 | static config_line_item* config_lines; | |
441 | ||
442 | /* Structure of table of conditional words and their state transitions */ | |
443 | ||
444 | typedef struct cond_item { | |
445 | uschar *name; | |
446 | int namelen; | |
447 | int action1; | |
448 | int action2; | |
449 | int pushpop; | |
450 | } cond_item; | |
451 | ||
452 | /* Structure of table of syslog facility names and values */ | |
453 | ||
454 | typedef struct syslog_fac_item { | |
455 | uschar *name; | |
456 | int value; | |
457 | } syslog_fac_item; | |
458 | ||
459 | /* constants */ | |
460 | static const char * const hidden = "<value not displayable>"; | |
461 | ||
462 | /* Static variables */ | |
463 | ||
464 | static config_file_item *config_file_stack = NULL; /* For includes */ | |
465 | ||
466 | static uschar *syslog_facility_str = NULL; | |
467 | static uschar next_section[24]; | |
468 | static uschar time_buffer[24]; | |
469 | ||
470 | /* State variables for conditional loading (.ifdef / .else / .endif) */ | |
471 | ||
472 | static int cstate = 0; | |
473 | static int cstate_stack_ptr = -1; | |
474 | static int cstate_stack[CSTATE_STACK_SIZE]; | |
475 | ||
476 | /* Table of state transitions for handling conditional inclusions. There are | |
477 | four possible state transitions: | |
478 | ||
479 | .ifdef true | |
480 | .ifdef false | |
481 | .elifdef true (or .else) | |
482 | .elifdef false | |
483 | ||
484 | .endif just causes the previous cstate to be popped off the stack */ | |
485 | ||
486 | static int next_cstate[3][4] = | |
487 | { | |
488 | /* State 0: reading from file, or reading until next .else or .endif */ | |
489 | { 0, 1, 2, 2 }, | |
490 | /* State 1: condition failed, skipping until next .else or .endif */ | |
491 | { 2, 2, 0, 1 }, | |
492 | /* State 2: skipping until .endif */ | |
493 | { 2, 2, 2, 2 }, | |
494 | }; | |
495 | ||
496 | /* Table of conditionals and the states to set. For each name, there are four | |
497 | values: the length of the name (to save computing it each time), the state to | |
498 | set if a macro was found in the line, the state to set if a macro was not found | |
499 | in the line, and a stack manipulation setting which is: | |
500 | ||
501 | -1 pull state value off the stack | |
502 | 0 don't alter the stack | |
503 | +1 push value onto stack, before setting new state | |
504 | */ | |
505 | ||
506 | static cond_item cond_list[] = { | |
507 | { US"ifdef", 5, 0, 1, 1 }, | |
508 | { US"ifndef", 6, 1, 0, 1 }, | |
509 | { US"elifdef", 7, 2, 3, 0 }, | |
510 | { US"elifndef", 8, 3, 2, 0 }, | |
511 | { US"else", 4, 2, 2, 0 }, | |
512 | { US"endif", 5, 0, 0, -1 } | |
513 | }; | |
514 | ||
515 | static int cond_list_size = sizeof(cond_list)/sizeof(cond_item); | |
516 | ||
517 | /* Table of syslog facility names and their values */ | |
518 | ||
519 | static syslog_fac_item syslog_list[] = { | |
520 | { US"mail", LOG_MAIL }, | |
521 | { US"user", LOG_USER }, | |
522 | { US"news", LOG_NEWS }, | |
523 | { US"uucp", LOG_UUCP }, | |
524 | { US"local0", LOG_LOCAL0 }, | |
525 | { US"local1", LOG_LOCAL1 }, | |
526 | { US"local2", LOG_LOCAL2 }, | |
527 | { US"local3", LOG_LOCAL3 }, | |
528 | { US"local4", LOG_LOCAL4 }, | |
529 | { US"local5", LOG_LOCAL5 }, | |
530 | { US"local6", LOG_LOCAL6 }, | |
531 | { US"local7", LOG_LOCAL7 }, | |
532 | { US"daemon", LOG_DAEMON } | |
533 | }; | |
534 | ||
535 | static int syslog_list_size = sizeof(syslog_list)/sizeof(syslog_fac_item); | |
536 | ||
537 | ||
538 | ||
059ec3d9 PH |
539 | |
540 | /************************************************* | |
541 | * Find the name of an option * | |
542 | *************************************************/ | |
543 | ||
544 | /* This function is to aid debugging. Various functions take arguments that are | |
545 | pointer variables in the options table or in option tables for various drivers. | |
546 | For debugging output, it is useful to be able to find the name of the option | |
547 | which is currently being processed. This function finds it, if it exists, by | |
548 | searching the table(s). | |
549 | ||
550 | Arguments: a value that is presumed to be in the table above | |
551 | Returns: the option name, or an empty string | |
552 | */ | |
553 | ||
554 | uschar * | |
555 | readconf_find_option(void *p) | |
556 | { | |
557 | int i; | |
558 | router_instance *r; | |
559 | transport_instance *t; | |
560 | ||
c0b9d3e8 | 561 | for (i = 0; i < nelem(optionlist_config); i++) |
059ec3d9 PH |
562 | if (p == optionlist_config[i].value) return US optionlist_config[i].name; |
563 | ||
d7bed771 | 564 | for (r = routers; r; r = r->next) |
059ec3d9 PH |
565 | { |
566 | router_info *ri = r->info; | |
c4b738a9 | 567 | for (i = 0; i < *ri->options_count; i++) |
059ec3d9 PH |
568 | { |
569 | if ((ri->options[i].type & opt_mask) != opt_stringptr) continue; | |
5903c6ff | 570 | if (p == CS (r->options_block) + (long int)(ri->options[i].value)) |
059ec3d9 PH |
571 | return US ri->options[i].name; |
572 | } | |
573 | } | |
574 | ||
d7bed771 | 575 | for (t = transports; t; t = t->next) |
059ec3d9 PH |
576 | { |
577 | transport_info *ti = t->info; | |
c4b738a9 | 578 | for (i = 0; i < *ti->options_count; i++) |
059ec3d9 | 579 | { |
c4b738a9 JH |
580 | optionlist * op = &ti->options[i]; |
581 | if ((op->type & opt_mask) != opt_stringptr) continue; | |
582 | if (p == ( op->type & opt_public | |
5903c6ff JH |
583 | ? CS t |
584 | : CS t->options_block | |
c4b738a9 JH |
585 | ) |
586 | + (long int)op->value) | |
587 | return US op->name; | |
059ec3d9 PH |
588 | } |
589 | } | |
590 | ||
591 | return US""; | |
592 | } | |
593 | ||
594 | ||
595 | ||
596 | ||
1a7c9a48 JH |
597 | /************************************************* |
598 | * Deal with an assignment to a macro * | |
599 | *************************************************/ | |
600 | ||
601 | /* We have a new definition; append to the list. | |
602 | ||
603 | Args: | |
85e03244 JH |
604 | name Name of the macro; will be copied |
605 | val Expansion result for the macro; will be copied | |
1a7c9a48 JH |
606 | */ |
607 | ||
608 | macro_item * | |
609 | macro_create(const uschar * name, const uschar * val, BOOL command_line) | |
610 | { | |
611 | macro_item * m = store_get(sizeof(macro_item)); | |
612 | ||
613 | /* fprintf(stderr, "%s: '%s' '%s'\n", __FUNCTION__, name, val); */ | |
614 | m->next = NULL; | |
615 | m->command_line = command_line; | |
616 | m->namelen = Ustrlen(name); | |
617 | m->replen = Ustrlen(val); | |
85e03244 JH |
618 | m->name = string_copy(name); |
619 | m->replacement = string_copy(val); | |
1a7c9a48 JH |
620 | if (mlast) |
621 | mlast->next = m; | |
622 | else | |
623 | macros = m; | |
624 | mlast = m; | |
85e03244 JH |
625 | if (!macros_user) |
626 | macros_user = m; | |
1a7c9a48 JH |
627 | return m; |
628 | } | |
629 | ||
630 | ||
cf00dad6 PH |
631 | /* This function is called when a line that starts with an upper case letter is |
632 | encountered. The argument "line" should contain a complete logical line, and | |
633 | start with the first letter of the macro name. The macro name and the | |
634 | replacement text are extracted and stored. Redefinition of existing, | |
635 | non-command line, macros is permitted using '==' instead of '='. | |
636 | ||
637 | Arguments: | |
638 | s points to the start of the logical line | |
639 | ||
9650d98a | 640 | Returns: FALSE iff fatal error |
cf00dad6 PH |
641 | */ |
642 | ||
9650d98a JH |
643 | BOOL |
644 | macro_read_assignment(uschar *s) | |
cf00dad6 PH |
645 | { |
646 | uschar name[64]; | |
647 | int namelen = 0; | |
648 | BOOL redef = FALSE; | |
649 | macro_item *m; | |
cf00dad6 PH |
650 | |
651 | while (isalnum(*s) || *s == '_') | |
652 | { | |
653 | if (namelen >= sizeof(name) - 1) | |
9650d98a JH |
654 | { |
655 | log_write(0, LOG_PANIC|LOG_CONFIG_IN, | |
ef840681 | 656 | "macro name too long (maximum is " SIZE_T_FMT " characters)", sizeof(name) - 1); |
9650d98a JH |
657 | return FALSE; |
658 | } | |
cf00dad6 PH |
659 | name[namelen++] = *s++; |
660 | } | |
661 | name[namelen] = 0; | |
662 | ||
663 | while (isspace(*s)) s++; | |
664 | if (*s++ != '=') | |
9650d98a JH |
665 | { |
666 | log_write(0, LOG_PANIC|LOG_CONFIG_IN, "malformed macro definition"); | |
667 | return FALSE; | |
668 | } | |
cf00dad6 PH |
669 | |
670 | if (*s == '=') | |
671 | { | |
672 | redef = TRUE; | |
673 | s++; | |
674 | } | |
675 | while (isspace(*s)) s++; | |
676 | ||
677 | /* If an existing macro of the same name was defined on the command line, we | |
678 | just skip this definition. It's an error to attempt to redefine a macro without | |
679 | redef set to TRUE, or to redefine a macro when it hasn't been defined earlier. | |
680 | It is also an error to define a macro whose name begins with the name of a | |
1a7c9a48 JH |
681 | previously defined macro. This is the requirement that make using a tree |
682 | for macros hard; we must check all macros for the substring. Perhaps a | |
683 | sorted list, and a bsearch, would work? | |
c193398d | 684 | Note: it is documented that the other way round works. */ |
cf00dad6 | 685 | |
1a7c9a48 | 686 | for (m = macros; m; m = m->next) |
cf00dad6 | 687 | { |
1a7c9a48 | 688 | if (Ustrcmp(m->name, name) == 0) |
9650d98a | 689 | { |
1a7c9a48 JH |
690 | if (!m->command_line && !redef) |
691 | { | |
692 | log_write(0, LOG_CONFIG|LOG_PANIC, "macro \"%s\" is already " | |
f04f9047 | 693 | "defined (use \"==\" if you want to redefine it)", name); |
1a7c9a48 JH |
694 | return FALSE; |
695 | } | |
696 | break; | |
165acdd1 | 697 | } |
1a7c9a48 JH |
698 | |
699 | if (m->namelen < namelen && Ustrstr(name, m->name) != NULL) | |
165acdd1 | 700 | { |
1a7c9a48 JH |
701 | log_write(0, LOG_CONFIG|LOG_PANIC, "\"%s\" cannot be defined as " |
702 | "a macro because previously defined macro \"%s\" is a substring", | |
703 | name, m->name); | |
9650d98a JH |
704 | return FALSE; |
705 | } | |
cf00dad6 | 706 | |
1a7c9a48 JH |
707 | /* We cannot have this test, because it is documented that a substring |
708 | macro is permitted (there is even an example). | |
709 | * | |
710 | * if (m->namelen > namelen && Ustrstr(m->name, name) != NULL) | |
711 | * log_write(0, LOG_CONFIG|LOG_PANIC_DIE, "\"%s\" cannot be defined as " | |
712 | * "a macro because it is a substring of previously defined macro \"%s\"", | |
713 | * name, m->name); | |
714 | */ | |
cf00dad6 PH |
715 | } |
716 | ||
1a7c9a48 JH |
717 | /* Check for an overriding command-line definition. */ |
718 | ||
719 | if (m && m->command_line) return TRUE; | |
720 | ||
cf00dad6 PH |
721 | /* Redefinition must refer to an existing macro. */ |
722 | ||
723 | if (redef) | |
c193398d | 724 | if (m) |
b8f899cf JH |
725 | { |
726 | m->replen = Ustrlen(s); | |
1a7c9a48 | 727 | m->replacement = string_copy(s); |
b8f899cf | 728 | } |
c193398d | 729 | else |
9650d98a JH |
730 | { |
731 | log_write(0, LOG_CONFIG|LOG_PANIC, "can't redefine an undefined macro " | |
cf00dad6 | 732 | "\"%s\"", name); |
9650d98a JH |
733 | return FALSE; |
734 | } | |
cf00dad6 | 735 | |
c193398d | 736 | /* We have a new definition. */ |
cf00dad6 | 737 | else |
85e03244 | 738 | (void) macro_create(name, s, FALSE); |
9650d98a | 739 | return TRUE; |
8e6c4db1 JH |
740 | } |
741 | ||
742 | ||
cf00dad6 PH |
743 | |
744 | ||
059ec3d9 | 745 | |
9650d98a JH |
746 | /* Process line for macros. The line is in big_buffer starting at offset len. |
747 | Expand big_buffer if needed. Handle definitions of new macros, and | |
85e03244 | 748 | macro expansions, rewriting the line in the buffer. |
9650d98a JH |
749 | |
750 | Arguments: | |
751 | len Offset in buffer of start of line | |
752 | newlen Pointer to offset of end of line, updated on return | |
753 | macro_found Pointer to return that a macro was expanded | |
754 | ||
755 | Return: pointer to first nonblank char in line | |
756 | */ | |
757 | ||
758 | uschar * | |
759 | macros_expand(int len, int * newlen, BOOL * macro_found) | |
760 | { | |
761 | uschar * ss = big_buffer + len; | |
762 | uschar * s; | |
1a7c9a48 | 763 | macro_item * m; |
9650d98a JH |
764 | |
765 | /* Find the true start of the physical line - leading spaces are always | |
766 | ignored. */ | |
767 | ||
768 | while (isspace(*ss)) ss++; | |
769 | ||
770 | /* Process the physical line for macros. If this is the start of the logical | |
771 | line, skip over initial text at the start of the line if it starts with an | |
772 | upper case character followed by a sequence of name characters and an equals | |
773 | sign, because that is the definition of a new macro, and we don't do | |
774 | replacement therein. */ | |
775 | ||
776 | s = ss; | |
777 | if (len == 0 && isupper(*s)) | |
778 | { | |
779 | while (isalnum(*s) || *s == '_') s++; | |
780 | while (isspace(*s)) s++; | |
781 | if (*s != '=') s = ss; /* Not a macro definition */ | |
782 | } | |
783 | ||
1a7c9a48 JH |
784 | /* Skip leading chars which cannot start a macro name, to avoid multiple |
785 | pointless rescans in Ustrstr calls. */ | |
786 | ||
85e03244 | 787 | while (*s && !isupper(*s) && !(*s == '_' && isupper(s[1]))) s++; |
1a7c9a48 JH |
788 | |
789 | /* For each defined macro, scan the line (from after XXX= if present), | |
790 | replacing all occurrences of the macro. */ | |
9650d98a JH |
791 | |
792 | *macro_found = FALSE; | |
85e03244 | 793 | if (*s) for (m = *s == '_' ? macros : macros_user; m; m = m->next) |
9650d98a | 794 | { |
1a7c9a48 | 795 | uschar * p, *pp; |
85e03244 JH |
796 | uschar * t; |
797 | ||
798 | while (*s && !isupper(*s) && !(*s == '_' && isupper(s[1]))) s++; | |
799 | if (!*s) break; | |
9650d98a | 800 | |
85e03244 | 801 | t = s; |
1a7c9a48 JH |
802 | while ((p = Ustrstr(t, m->name)) != NULL) |
803 | { | |
804 | int moveby; | |
9650d98a | 805 | |
1a7c9a48 JH |
806 | /* fprintf(stderr, "%s: matched '%s' in '%s'\n", __FUNCTION__, m->name, ss); */ |
807 | /* Expand the buffer if necessary */ | |
9650d98a | 808 | |
1a7c9a48 JH |
809 | while (*newlen - m->namelen + m->replen + 1 > big_buffer_size) |
810 | { | |
811 | int newsize = big_buffer_size + BIG_BUFFER_SIZE; | |
812 | uschar *newbuffer = store_malloc(newsize); | |
813 | memcpy(newbuffer, big_buffer, *newlen + 1); | |
814 | p = newbuffer + (p - big_buffer); | |
815 | s = newbuffer + (s - big_buffer); | |
816 | ss = newbuffer + (ss - big_buffer); | |
817 | t = newbuffer + (t - big_buffer); | |
818 | big_buffer_size = newsize; | |
819 | store_free(big_buffer); | |
820 | big_buffer = newbuffer; | |
821 | } | |
165acdd1 | 822 | |
1a7c9a48 JH |
823 | /* Shuffle the remaining characters up or down in the buffer before |
824 | copying in the replacement text. Don't rescan the replacement for this | |
825 | same macro. */ | |
165acdd1 | 826 | |
1a7c9a48 JH |
827 | pp = p + m->namelen; |
828 | if ((moveby = m->replen - m->namelen) != 0) | |
829 | { | |
830 | memmove(p + m->replen, pp, (big_buffer + *newlen) - pp + 1); | |
831 | *newlen += moveby; | |
9650d98a | 832 | } |
1a7c9a48 JH |
833 | Ustrncpy(p, m->replacement, m->replen); |
834 | t = p + m->replen; | |
85e03244 | 835 | while (*t && !isupper(*t) && !(*t == '_' && isupper(t[1]))) t++; |
1a7c9a48 | 836 | *macro_found = TRUE; |
9650d98a JH |
837 | } |
838 | } | |
839 | ||
840 | /* An empty macro replacement at the start of a line could mean that ss no | |
841 | longer points to the first non-blank character. */ | |
842 | ||
843 | while (isspace(*ss)) ss++; | |
844 | return ss; | |
845 | } | |
846 | ||
059ec3d9 PH |
847 | /************************************************* |
848 | * Read configuration line * | |
849 | *************************************************/ | |
850 | ||
851 | /* A logical line of text is read from the configuration file into the big | |
852 | buffer, taking account of macros, .includes, and continuations. The size of | |
853 | big_buffer is increased if necessary. The count of configuration lines is | |
854 | maintained. Physical input lines starting with # (ignoring leading white space, | |
855 | and after macro replacement) and empty logical lines are always ignored. | |
856 | Leading and trailing spaces are removed. | |
857 | ||
858 | If we hit a line of the form "begin xxxx", the xxxx is placed in the | |
859 | next_section vector, and the function returns NULL, indicating the end of a | |
860 | configuration section. On end-of-file, NULL is returned with next_section | |
861 | empty. | |
862 | ||
863 | Arguments: none | |
864 | ||
865 | Returns: a pointer to the first non-blank in the line, | |
866 | or NULL if eof or end of section is reached | |
867 | */ | |
868 | ||
869 | static uschar * | |
870 | get_config_line(void) | |
871 | { | |
872 | int startoffset = 0; /* To first non-blank char in logical line */ | |
873 | int len = 0; /* Of logical line so far */ | |
874 | int newlen; | |
875 | uschar *s, *ss; | |
059ec3d9 PH |
876 | BOOL macro_found; |
877 | ||
878 | /* Loop for handling continuation lines, skipping comments, and dealing with | |
879 | .include files. */ | |
880 | ||
881 | for (;;) | |
882 | { | |
883 | if (Ufgets(big_buffer+len, big_buffer_size-len, config_file) == NULL) | |
884 | { | |
885 | if (config_file_stack != NULL) /* EOF inside .include */ | |
886 | { | |
f1e894f3 | 887 | (void)fclose(config_file); |
059ec3d9 PH |
888 | config_file = config_file_stack->file; |
889 | config_filename = config_file_stack->filename; | |
29f67888 | 890 | config_directory = config_file_stack->directory; |
059ec3d9 PH |
891 | config_lineno = config_file_stack->lineno; |
892 | config_file_stack = config_file_stack->next; | |
bf3c2c6b HSHR |
893 | if (config_lines) |
894 | save_config_position(config_filename, config_lineno); | |
059ec3d9 PH |
895 | continue; |
896 | } | |
897 | ||
898 | /* EOF at top level */ | |
899 | ||
900 | if (cstate_stack_ptr >= 0) | |
901 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
902 | "Unexpected end of configuration file: .endif missing"); | |
903 | ||
904 | if (len != 0) break; /* EOF after continuation */ | |
905 | next_section[0] = 0; /* EOF at start of logical line */ | |
906 | return NULL; | |
907 | } | |
908 | ||
909 | config_lineno++; | |
910 | newlen = len + Ustrlen(big_buffer + len); | |
911 | ||
bf3c2c6b HSHR |
912 | if (config_lines && config_lineno == 1) |
913 | save_config_position(config_filename, config_lineno); | |
914 | ||
059ec3d9 PH |
915 | /* Handle pathologically long physical lines - yes, it did happen - by |
916 | extending big_buffer at this point. The code also copes with very long | |
917 | logical lines. */ | |
918 | ||
919 | while (newlen == big_buffer_size - 1 && big_buffer[newlen - 1] != '\n') | |
920 | { | |
921 | uschar *newbuffer; | |
922 | big_buffer_size += BIG_BUFFER_SIZE; | |
923 | newbuffer = store_malloc(big_buffer_size); | |
924 | ||
925 | /* This use of strcpy is OK because we know that the string in the old | |
926 | buffer is shorter than the new buffer. */ | |
927 | ||
928 | Ustrcpy(newbuffer, big_buffer); | |
929 | store_free(big_buffer); | |
930 | big_buffer = newbuffer; | |
931 | if (Ufgets(big_buffer+newlen, big_buffer_size-newlen, config_file) == NULL) | |
932 | break; | |
933 | newlen += Ustrlen(big_buffer + newlen); | |
934 | } | |
935 | ||
9650d98a | 936 | ss = macros_expand(len, &newlen, ¯o_found); |
059ec3d9 PH |
937 | |
938 | /* Check for comment lines - these are physical lines. */ | |
939 | ||
940 | if (*ss == '#') continue; | |
941 | ||
942 | /* Handle conditionals, which are also applied to physical lines. Conditions | |
943 | are of the form ".ifdef ANYTEXT" and are treated as true if any macro | |
944 | expansion occured on the rest of the line. A preliminary test for the leading | |
945 | '.' saves effort on most lines. */ | |
946 | ||
947 | if (*ss == '.') | |
948 | { | |
949 | int i; | |
950 | ||
951 | /* Search the list of conditional directives */ | |
952 | ||
953 | for (i = 0; i < cond_list_size; i++) | |
954 | { | |
955 | int n; | |
956 | cond_item *c = cond_list+i; | |
957 | if (Ustrncmp(ss+1, c->name, c->namelen) != 0) continue; | |
958 | ||
959 | /* The following character must be white space or end of string */ | |
960 | ||
961 | n = ss[1 + c->namelen]; | |
962 | if (n != ' ' && n != 't' && n != '\n' && n != 0) break; | |
963 | ||
964 | /* .ifdef and .ifndef push the current state onto the stack, then set | |
965 | a new one from the table. Stack overflow is an error */ | |
966 | ||
967 | if (c->pushpop > 0) | |
968 | { | |
969 | if (cstate_stack_ptr >= CSTATE_STACK_SIZE - 1) | |
970 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
971 | ".%s nested too deeply", c->name); | |
972 | cstate_stack[++cstate_stack_ptr] = cstate; | |
973 | cstate = next_cstate[cstate][macro_found? c->action1 : c->action2]; | |
974 | } | |
975 | ||
976 | /* For any of the others, stack underflow is an error. The next state | |
977 | comes either from the stack (.endif) or from the table. */ | |
978 | ||
979 | else | |
980 | { | |
981 | if (cstate_stack_ptr < 0) | |
982 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
983 | ".%s without matching .ifdef", c->name); | |
984 | cstate = (c->pushpop < 0)? cstate_stack[cstate_stack_ptr--] : | |
985 | next_cstate[cstate][macro_found? c->action1 : c->action2]; | |
986 | } | |
987 | ||
988 | /* Having dealt with a directive, break the loop */ | |
989 | ||
990 | break; | |
991 | } | |
992 | ||
993 | /* If we have handled a conditional directive, continue with the next | |
994 | physical line. Otherwise, fall through. */ | |
995 | ||
996 | if (i < cond_list_size) continue; | |
997 | } | |
998 | ||
999 | /* If the conditional state is not 0 (actively using these lines), ignore | |
1000 | this input line. */ | |
1001 | ||
1002 | if (cstate != 0) continue; /* Conditional skip */ | |
1003 | ||
1004 | /* Handle .include lines - these are also physical lines. */ | |
1005 | ||
1006 | if (Ustrncmp(ss, ".include", 8) == 0 && | |
1007 | (isspace(ss[8]) || | |
1008 | (Ustrncmp(ss+8, "_if_exists", 10) == 0 && isspace(ss[18])))) | |
1009 | { | |
1010 | uschar *t; | |
1011 | int include_if_exists = isspace(ss[8])? 0 : 10; | |
1012 | config_file_item *save; | |
1013 | struct stat statbuf; | |
1014 | ||
1015 | ss += 9 + include_if_exists; | |
1016 | while (isspace(*ss)) ss++; | |
1017 | t = ss + Ustrlen(ss); | |
1018 | while (t > ss && isspace(t[-1])) t--; | |
1019 | if (*ss == '\"' && t[-1] == '\"') | |
1020 | { | |
1021 | ss++; | |
1022 | t--; | |
1023 | } | |
1024 | *t = 0; | |
1025 | ||
29f67888 HSHR |
1026 | /* We allow relative file names. For security reasons currently |
1027 | relative names not allowed with .include_if_exists. For .include_if_exists | |
1028 | we need to check the permissions/ownership of the containing folder */ | |
145396a6 | 1029 | if (*ss != '/') |
29f67888 HSHR |
1030 | if (include_if_exists) log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, ".include specifies a non-" |
1031 | "absolute path \"%s\"", ss); | |
1032 | else | |
1033 | { | |
acec9514 JH |
1034 | gstring * g = string_append(NULL, 3, config_directory, "/", ss); |
1035 | ss = string_from_gstring(g); | |
29f67888 | 1036 | } |
145396a6 | 1037 | |
059ec3d9 PH |
1038 | if (include_if_exists != 0 && (Ustat(ss, &statbuf) != 0)) continue; |
1039 | ||
bf3c2c6b HSHR |
1040 | if (config_lines) |
1041 | save_config_position(config_filename, config_lineno); | |
059ec3d9 PH |
1042 | save = store_get(sizeof(config_file_item)); |
1043 | save->next = config_file_stack; | |
1044 | config_file_stack = save; | |
1045 | save->file = config_file; | |
1046 | save->filename = config_filename; | |
29f67888 | 1047 | save->directory = config_directory; |
059ec3d9 PH |
1048 | save->lineno = config_lineno; |
1049 | ||
10c50704 | 1050 | if (!(config_file = Ufopen(ss, "rb"))) |
059ec3d9 PH |
1051 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "failed to open included " |
1052 | "configuration file %s", ss); | |
10c50704 | 1053 | |
059ec3d9 | 1054 | config_filename = string_copy(ss); |
863bd541 | 1055 | config_directory = string_copyn(ss, CUstrrchr(ss, '/') - ss); |
059ec3d9 PH |
1056 | config_lineno = 0; |
1057 | continue; | |
1058 | } | |
1059 | ||
1060 | /* If this is the start of the logical line, remember where the non-blank | |
1061 | data starts. Otherwise shuffle down continuation lines to remove leading | |
1062 | white space. */ | |
1063 | ||
1064 | if (len == 0) | |
1065 | startoffset = ss - big_buffer; | |
1066 | else | |
1067 | { | |
1068 | s = big_buffer + len; | |
1069 | if (ss > s) | |
1070 | { | |
1071 | memmove(s, ss, (newlen - len) - (ss - s) + 1); | |
1072 | newlen -= ss - s; | |
1073 | } | |
1074 | } | |
1075 | ||
1076 | /* Accept the new addition to the line. Remove trailing white space. */ | |
1077 | ||
1078 | len = newlen; | |
1079 | while (len > 0 && isspace(big_buffer[len-1])) len--; | |
1080 | big_buffer[len] = 0; | |
1081 | ||
1082 | /* We are done if the line does not end in backslash and contains some data. | |
1083 | Empty logical lines are ignored. For continuations, remove the backslash and | |
1084 | go round the loop to read the continuation line. */ | |
1085 | ||
1086 | if (len > 0) | |
1087 | { | |
1088 | if (big_buffer[len-1] != '\\') break; /* End of logical line */ | |
1089 | big_buffer[--len] = 0; /* Remove backslash */ | |
1090 | } | |
1091 | } /* Loop for reading multiple physical lines */ | |
1092 | ||
1093 | /* We now have a logical line. Test for the end of a configuration section (or, | |
1094 | more accurately, for the start of the next section). Place the name of the next | |
1095 | section in next_section, and return NULL. If the name given is longer than | |
1096 | next_section, truncate it. It will be unrecognized later, because all the known | |
1097 | section names do fit. Leave space for pluralizing. */ | |
1098 | ||
1099 | s = big_buffer + startoffset; /* First non-space character */ | |
bf3c2c6b HSHR |
1100 | |
1101 | if (config_lines) | |
1102 | save_config_line(s); | |
1103 | ||
059ec3d9 PH |
1104 | if (strncmpic(s, US"begin ", 6) == 0) |
1105 | { | |
1106 | s += 6; | |
1107 | while (isspace(*s)) s++; | |
1108 | if (big_buffer + len - s > sizeof(next_section) - 2) | |
1109 | s[sizeof(next_section) - 2] = 0; | |
1110 | Ustrcpy(next_section, s); | |
1111 | return NULL; | |
1112 | } | |
1113 | ||
1114 | /* Return the first non-blank character. */ | |
1115 | ||
1116 | return s; | |
1117 | } | |
1118 | ||
1119 | ||
1120 | ||
1121 | /************************************************* | |
1122 | * Read a name * | |
1123 | *************************************************/ | |
1124 | ||
1125 | /* The yield is the pointer to the next uschar. Names longer than the | |
1126 | output space are silently truncated. This function is also used from acl.c when | |
1127 | parsing ACLs. | |
1128 | ||
1129 | Arguments: | |
1130 | name where to put the name | |
1131 | len length of name | |
1132 | s input pointer | |
1133 | ||
1134 | Returns: new input pointer | |
1135 | */ | |
1136 | ||
1137 | uschar * | |
1138 | readconf_readname(uschar *name, int len, uschar *s) | |
1139 | { | |
1140 | int p = 0; | |
1141 | while (isspace(*s)) s++; | |
1142 | if (isalpha(*s)) | |
1143 | { | |
1144 | while (isalnum(*s) || *s == '_') | |
1145 | { | |
1146 | if (p < len-1) name[p++] = *s; | |
1147 | s++; | |
1148 | } | |
1149 | } | |
1150 | name[p] = 0; | |
1151 | while (isspace(*s)) s++; | |
1152 | return s; | |
1153 | } | |
1154 | ||
1155 | ||
1156 | ||
1157 | ||
1158 | /************************************************* | |
1159 | * Read a time value * | |
1160 | *************************************************/ | |
1161 | ||
1162 | /* This function is also called from outside, to read argument | |
1163 | time values. The format of a time value is: | |
1164 | ||
1165 | [<n>w][<n>d][<n>h][<n>m][<n>s] | |
1166 | ||
1167 | as long as at least one is present. If a format error is encountered, | |
1168 | return a negative value. The value must be terminated by the given | |
1169 | terminator. | |
1170 | ||
1171 | Arguments: | |
1172 | s input pointer | |
1173 | terminator required terminating character | |
1174 | return_msec if TRUE, allow fractional seconds and return milliseconds | |
1175 | ||
1176 | Returns: the time value, or -1 on syntax error | |
1177 | value is seconds if return_msec is FALSE | |
1178 | value is milliseconds if return_msec is TRUE | |
1179 | */ | |
1180 | ||
1181 | int | |
1ad6489e | 1182 | readconf_readtime(const uschar *s, int terminator, BOOL return_msec) |
059ec3d9 PH |
1183 | { |
1184 | int yield = 0; | |
1185 | for (;;) | |
1186 | { | |
1187 | int value, count; | |
1188 | double fraction; | |
1189 | ||
1190 | if (!isdigit(*s)) return -1; | |
1ad6489e | 1191 | (void)sscanf(CCS s, "%d%n", &value, &count); |
059ec3d9 PH |
1192 | s += count; |
1193 | ||
1194 | switch (*s) | |
1195 | { | |
1196 | case 'w': value *= 7; | |
1197 | case 'd': value *= 24; | |
1198 | case 'h': value *= 60; | |
1199 | case 'm': value *= 60; | |
1200 | case 's': s++; | |
1201 | break; | |
1202 | ||
1203 | case '.': | |
1204 | if (!return_msec) return -1; | |
1ad6489e | 1205 | (void)sscanf(CCS s, "%lf%n", &fraction, &count); |
059ec3d9 PH |
1206 | s += count; |
1207 | if (*s++ != 's') return -1; | |
1208 | yield += (int)(fraction * 1000.0); | |
1209 | break; | |
1210 | ||
1211 | default: return -1; | |
1212 | } | |
1213 | ||
1214 | if (return_msec) value *= 1000; | |
1215 | yield += value; | |
1216 | if (*s == terminator) return yield; | |
1217 | } | |
1218 | /* Control never reaches here. */ | |
1219 | } | |
1220 | ||
1221 | ||
1222 | ||
1223 | /************************************************* | |
1224 | * Read a fixed point value * | |
1225 | *************************************************/ | |
1226 | ||
1227 | /* The value is returned *1000 | |
1228 | ||
1229 | Arguments: | |
1230 | s input pointer | |
1231 | terminator required terminator | |
1232 | ||
1233 | Returns: the value, or -1 on error | |
1234 | */ | |
1235 | ||
1236 | static int | |
55414b25 | 1237 | readconf_readfixed(const uschar *s, int terminator) |
059ec3d9 PH |
1238 | { |
1239 | int yield = 0; | |
1240 | int value, count; | |
1241 | if (!isdigit(*s)) return -1; | |
1242 | (void)sscanf(CS s, "%d%n", &value, &count); | |
1243 | s += count; | |
1244 | yield = value * 1000; | |
1245 | if (*s == '.') | |
1246 | { | |
1247 | int m = 100; | |
1248 | while (isdigit((*(++s)))) | |
1249 | { | |
1250 | yield += (*s - '0') * m; | |
1251 | m /= 10; | |
1252 | } | |
1253 | } | |
1254 | ||
1255 | return (*s == terminator)? yield : (-1); | |
1256 | } | |
1257 | ||
1258 | ||
1259 | ||
1260 | /************************************************* | |
1261 | * Find option in list * | |
1262 | *************************************************/ | |
1263 | ||
1264 | /* The lists are always in order, so binary chop can be used. | |
1265 | ||
1266 | Arguments: | |
1267 | name the option name to search for | |
1268 | ol the first entry in the option list | |
1269 | last one more than the offset of the last entry in the option list | |
1270 | ||
1271 | Returns: pointer to an option entry, or NULL if not found | |
1272 | */ | |
1273 | ||
1274 | static optionlist * | |
1275 | find_option(uschar *name, optionlist *ol, int last) | |
1276 | { | |
1277 | int first = 0; | |
1278 | while (last > first) | |
1279 | { | |
1280 | int middle = (first + last)/2; | |
1281 | int c = Ustrcmp(name, ol[middle].name); | |
d7bed771 | 1282 | |
059ec3d9 | 1283 | if (c == 0) return ol + middle; |
d7bed771 JH |
1284 | else if (c > 0) first = middle + 1; |
1285 | else last = middle; | |
059ec3d9 PH |
1286 | } |
1287 | return NULL; | |
1288 | } | |
1289 | ||
1290 | ||
1291 | ||
1292 | /************************************************* | |
1293 | * Find a set flag in option list * | |
1294 | *************************************************/ | |
1295 | ||
1296 | /* Because some versions of Unix make no restrictions on the values of uids and | |
1297 | gids (even negative ones), we cannot represent "unset" by a special value. | |
1298 | There is therefore a separate boolean variable for each one indicating whether | |
1299 | a value is set or not. This function returns a pointer to the boolean, given | |
1300 | the original option name. It is a major disaster if the flag cannot be found. | |
1301 | ||
1302 | Arguments: | |
1303 | name the name of the uid or gid option | |
1304 | oltop points to the start of the relevant option list | |
1305 | last one more than the offset of the last item in the option list | |
1306 | data_block NULL when reading main options => data values in the option | |
1307 | list are absolute addresses; otherwise they are byte offsets | |
1308 | in data_block (used for driver options) | |
1309 | ||
1310 | Returns: a pointer to the boolean flag. | |
1311 | */ | |
1312 | ||
1313 | static BOOL * | |
1314 | get_set_flag(uschar *name, optionlist *oltop, int last, void *data_block) | |
1315 | { | |
1316 | optionlist *ol; | |
1317 | uschar name2[64]; | |
1318 | sprintf(CS name2, "*set_%.50s", name); | |
1319 | ol = find_option(name2, oltop, last); | |
1320 | if (ol == NULL) log_write(0, LOG_MAIN|LOG_PANIC_DIE, | |
1321 | "Exim internal error: missing set flag for %s", name); | |
1322 | return (data_block == NULL)? (BOOL *)(ol->value) : | |
5903c6ff | 1323 | (BOOL *)(US data_block + (long int)(ol->value)); |
059ec3d9 PH |
1324 | } |
1325 | ||
1326 | ||
1327 | ||
1328 | ||
1329 | /************************************************* | |
1330 | * Output extra characters message and die * | |
1331 | *************************************************/ | |
1332 | ||
1333 | /* Called when an option line has junk on the end. Sometimes this is because | |
1334 | the sysadmin thinks comments are permitted. | |
1335 | ||
1336 | Arguments: | |
1337 | s points to the extra characters | |
1338 | t1..t3 strings to insert in the log message | |
1339 | ||
1340 | Returns: doesn't return; dies | |
1341 | */ | |
1342 | ||
1343 | static void | |
55414b25 | 1344 | extra_chars_error(const uschar *s, const uschar *t1, const uschar *t2, const uschar *t3) |
059ec3d9 PH |
1345 | { |
1346 | uschar *comment = US""; | |
1347 | if (*s == '#') comment = US" (# is comment only at line start)"; | |
1348 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
1349 | "extra characters follow %s%s%s%s", t1, t2, t3, comment); | |
1350 | } | |
1351 | ||
1352 | ||
1353 | ||
1354 | /************************************************* | |
1355 | * Read rewrite information * | |
1356 | *************************************************/ | |
1357 | ||
1358 | /* Each line of rewrite information contains: | |
1359 | ||
1360 | . A complete address in the form user@domain, possibly with | |
1361 | leading * for each part; or alternatively, a regex. | |
1362 | ||
1363 | . A replacement string (which will be expanded). | |
1364 | ||
1365 | . An optional sequence of one-letter flags, indicating which | |
1366 | headers etc. to apply this rule to. | |
1367 | ||
1368 | All this is decoded and placed into a control block. The OR of the flags is | |
1369 | maintained in a common word. | |
1370 | ||
1371 | Arguments: | |
1372 | p points to the string that makes up the rule | |
1373 | existflags points to the overall flag word | |
1374 | isglobal TRUE if reading global rewrite rules | |
1375 | ||
1376 | Returns: the control block for the parsed rule. | |
1377 | */ | |
1378 | ||
1379 | static rewrite_rule * | |
55414b25 | 1380 | readconf_one_rewrite(const uschar *p, int *existflags, BOOL isglobal) |
059ec3d9 PH |
1381 | { |
1382 | rewrite_rule *next = store_get(sizeof(rewrite_rule)); | |
1383 | ||
1384 | next->next = NULL; | |
1385 | next->key = string_dequote(&p); | |
1386 | ||
1387 | while (isspace(*p)) p++; | |
1388 | if (*p == 0) | |
1389 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
1390 | "missing rewrite replacement string"); | |
1391 | ||
1392 | next->flags = 0; | |
1393 | next->replacement = string_dequote(&p); | |
1394 | ||
1395 | while (*p != 0) switch (*p++) | |
1396 | { | |
1397 | case ' ': case '\t': break; | |
1398 | ||
1399 | case 'q': next->flags |= rewrite_quit; break; | |
1400 | case 'w': next->flags |= rewrite_whole; break; | |
1401 | ||
1402 | case 'h': next->flags |= rewrite_all_headers; break; | |
1403 | case 's': next->flags |= rewrite_sender; break; | |
1404 | case 'f': next->flags |= rewrite_from; break; | |
1405 | case 't': next->flags |= rewrite_to; break; | |
1406 | case 'c': next->flags |= rewrite_cc; break; | |
1407 | case 'b': next->flags |= rewrite_bcc; break; | |
1408 | case 'r': next->flags |= rewrite_replyto; break; | |
1409 | ||
1410 | case 'E': next->flags |= rewrite_all_envelope; break; | |
1411 | case 'F': next->flags |= rewrite_envfrom; break; | |
1412 | case 'T': next->flags |= rewrite_envto; break; | |
1413 | ||
1414 | case 'Q': next->flags |= rewrite_qualify; break; | |
1415 | case 'R': next->flags |= rewrite_repeat; break; | |
1416 | ||
1417 | case 'S': | |
1418 | next->flags |= rewrite_smtp; | |
1419 | if (next->key[0] != '^' && Ustrncmp(next->key, "\\N^", 3) != 0) | |
1420 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
1421 | "rewrite rule has the S flag but is not a regular expression"); | |
1422 | break; | |
1423 | ||
1424 | default: | |
1425 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
1426 | "unknown rewrite flag character '%c' " | |
1427 | "(could be missing quotes round replacement item)", p[-1]); | |
1428 | break; | |
1429 | } | |
1430 | ||
1431 | /* If no action flags are set, set all the "normal" rewrites. */ | |
1432 | ||
1433 | if ((next->flags & (rewrite_all | rewrite_smtp)) == 0) | |
1434 | next->flags |= isglobal? rewrite_all : rewrite_all_headers; | |
1435 | ||
1436 | /* Remember which exist, for optimization, and return the rule */ | |
1437 | ||
1438 | *existflags |= next->flags; | |
1439 | return next; | |
1440 | } | |
1441 | ||
1442 | ||
1443 | ||
1444 | ||
1445 | /************************************************* | |
1446 | * Read global rewrite information * | |
1447 | *************************************************/ | |
1448 | ||
1449 | /* Each line is a single rewrite rule; it is parsed into a control block | |
1450 | by readconf_one_rewrite(), and its flags are ORed into the global flag | |
1451 | word rewrite_existflags. */ | |
1452 | ||
1453 | void | |
1454 | readconf_rewrites(void) | |
1455 | { | |
1456 | rewrite_rule **chain = &global_rewrite_rules; | |
1457 | uschar *p; | |
1458 | ||
1459 | while ((p = get_config_line()) != NULL) | |
1460 | { | |
1461 | rewrite_rule *next = readconf_one_rewrite(p, &rewrite_existflags, TRUE); | |
1462 | *chain = next; | |
1463 | chain = &(next->next); | |
1464 | } | |
1465 | } | |
1466 | ||
1467 | ||
1468 | ||
1469 | /************************************************* | |
1470 | * Read a string * | |
1471 | *************************************************/ | |
1472 | ||
1473 | /* Strings are read into the normal store pool. As long we aren't too | |
1474 | near the end of the current block, the string will just use what is necessary | |
1475 | on the top of the stacking pool, because string_cat() uses the extension | |
1476 | mechanism. | |
1477 | ||
1478 | Argument: | |
1479 | s the rest of the input line | |
1480 | name the option name (for errors) | |
1481 | ||
1482 | Returns: pointer to the string | |
1483 | */ | |
1484 | ||
1485 | static uschar * | |
55414b25 | 1486 | read_string(const uschar *s, const uschar *name) |
059ec3d9 PH |
1487 | { |
1488 | uschar *yield; | |
55414b25 | 1489 | const uschar *ss; |
059ec3d9 PH |
1490 | |
1491 | if (*s != '\"') return string_copy(s); | |
1492 | ||
1493 | ss = s; | |
1494 | yield = string_dequote(&s); | |
1495 | ||
1496 | if (s == ss+1 || s[-1] != '\"') | |
1497 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
1498 | "missing quote at end of string value for %s", name); | |
1499 | ||
1500 | if (*s != 0) extra_chars_error(s, US"string value for ", name, US""); | |
1501 | ||
1502 | return yield; | |
1503 | } | |
1504 | ||
1505 | ||
1ad6489e JH |
1506 | /************************************************* |
1507 | * Custom-handler options * | |
1508 | *************************************************/ | |
1509 | static void | |
1510 | fn_smtp_receive_timeout(const uschar * name, const uschar * str) | |
1511 | { | |
1ad6489e JH |
1512 | if (*str == '$') |
1513 | smtp_receive_timeout_s = string_copy(str); | |
1514 | else | |
1515 | { | |
1516 | /* "smtp_receive_timeout", opt_time, &smtp_receive_timeout */ | |
1517 | smtp_receive_timeout = readconf_readtime(str, 0, FALSE); | |
1518 | if (smtp_receive_timeout < 0) | |
1519 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "invalid time value for %s", | |
1520 | name); | |
1521 | } | |
1522 | } | |
1523 | ||
059ec3d9 PH |
1524 | /************************************************* |
1525 | * Handle option line * | |
1526 | *************************************************/ | |
1527 | ||
1528 | /* This function is called from several places to process a line containing the | |
1529 | setting of an option. The first argument is the line to be decoded; it has been | |
1530 | checked not to be empty and not to start with '#'. Trailing newlines and white | |
1531 | space have been removed. The second argument is a pointer to the list of | |
1532 | variable names that are to be recognized, together with their types and | |
1533 | locations, and the third argument gives the number of entries in the list. | |
1534 | ||
1535 | The fourth argument is a pointer to a data block. If it is NULL, then the data | |
1536 | values in the options list are absolute addresses. Otherwise, they are byte | |
1537 | offsets in the data block. | |
1538 | ||
1539 | String option data may continue onto several lines; this function reads further | |
1540 | data from config_file if necessary. | |
1541 | ||
1542 | The yield of this function is normally zero. If a string continues onto | |
1543 | multiple lines, then the data value is permitted to be followed by a comma | |
1544 | or a semicolon (for use in drivers) and the yield is that character. | |
1545 | ||
1546 | Arguments: | |
1547 | buffer contains the configuration line to be handled | |
1548 | oltop points to the start of the relevant option list | |
1549 | last one more than the offset of the last item in the option list | |
1550 | data_block NULL when reading main options => data values in the option | |
1551 | list are absolute addresses; otherwise they are byte offsets | |
1552 | in data_block when they have opt_public set; otherwise | |
1553 | they are byte offsets in data_block->options_block. | |
1554 | unknown_txt format string to use in panic message for unknown option; | |
1555 | must contain %s for option name | |
1556 | if given as NULL, don't panic on unknown option | |
1557 | ||
1558 | Returns: TRUE if an option was read successfully, | |
1559 | FALSE false for an unknown option if unknown_txt == NULL, | |
1560 | otherwise panic and die on an unknown option | |
1561 | */ | |
1562 | ||
1563 | static BOOL | |
1564 | readconf_handle_option(uschar *buffer, optionlist *oltop, int last, | |
1565 | void *data_block, uschar *unknown_txt) | |
1566 | { | |
1567 | int ptr = 0; | |
1568 | int offset = 0; | |
1569 | int n, count, type, value; | |
1570 | int issecure = 0; | |
1571 | uid_t uid; | |
1572 | gid_t gid; | |
1573 | BOOL boolvalue = TRUE; | |
1574 | BOOL freesptr = TRUE; | |
1575 | optionlist *ol, *ol2; | |
1576 | struct passwd *pw; | |
1577 | void *reset_point; | |
1578 | int intbase = 0; | |
1579 | uschar *inttype = US""; | |
1580 | uschar *sptr; | |
1581 | uschar *s = buffer; | |
532be449 | 1582 | uschar **str_target; |
059ec3d9 PH |
1583 | uschar name[64]; |
1584 | uschar name2[64]; | |
1585 | ||
1586 | /* There may be leading spaces; thereafter, we expect an option name starting | |
1587 | with a letter. */ | |
1588 | ||
1589 | while (isspace(*s)) s++; | |
1590 | if (!isalpha(*s)) | |
1591 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "option setting expected: %s", s); | |
1592 | ||
1593 | /* Read the name of the option, and skip any subsequent white space. If | |
1594 | it turns out that what we read was "hide", set the flag indicating that | |
1595 | this is a secure option, and loop to read the next word. */ | |
1596 | ||
1597 | for (n = 0; n < 2; n++) | |
1598 | { | |
1599 | while (isalnum(*s) || *s == '_') | |
1600 | { | |
1601 | if (ptr < sizeof(name)-1) name[ptr++] = *s; | |
1602 | s++; | |
1603 | } | |
1604 | name[ptr] = 0; | |
1605 | while (isspace(*s)) s++; | |
1606 | if (Ustrcmp(name, "hide") != 0) break; | |
1607 | issecure = opt_secure; | |
1608 | ptr = 0; | |
1609 | } | |
1610 | ||
1611 | /* Deal with "no_" or "not_" here for booleans */ | |
1612 | ||
1613 | if (Ustrncmp(name, "no_", 3) == 0) | |
1614 | { | |
1615 | boolvalue = FALSE; | |
1616 | offset = 3; | |
1617 | } | |
1618 | ||
1619 | if (Ustrncmp(name, "not_", 4) == 0) | |
1620 | { | |
1621 | boolvalue = FALSE; | |
1622 | offset = 4; | |
1623 | } | |
1624 | ||
1625 | /* Search the list for the given name. A non-existent name, or an option that | |
1626 | is set twice, is a disaster. */ | |
1627 | ||
d7bed771 | 1628 | if (!(ol = find_option(name + offset, oltop, last))) |
059ec3d9 PH |
1629 | { |
1630 | if (unknown_txt == NULL) return FALSE; | |
1631 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, CS unknown_txt, name); | |
1632 | } | |
1633 | ||
846726c5 JH |
1634 | if ((ol->type & opt_set) && !(ol->type & (opt_rep_con | opt_rep_str))) |
1635 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
1636 | "\"%s\" option set for the second time", name); | |
059ec3d9 PH |
1637 | |
1638 | ol->type |= opt_set | issecure; | |
1639 | type = ol->type & opt_mask; | |
1640 | ||
1641 | /* Types with data values must be followed by '='; the "no[t]_" prefix | |
1642 | applies only to boolean values. */ | |
1643 | ||
1644 | if (type < opt_bool || type > opt_bool_last) | |
1645 | { | |
1646 | if (offset != 0) | |
1647 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
1648 | "negation prefix applied to a non-boolean option"); | |
1649 | if (*s == 0) | |
1650 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
1651 | "unexpected end of line (data missing) after %s", name); | |
1652 | if (*s != '=') | |
1653 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "missing \"=\" after %s", name); | |
1654 | } | |
1655 | ||
1656 | /* If a boolean wasn't preceded by "no[t]_" it can be followed by = and | |
9c695f6d | 1657 | true/false/yes/no, or, in the case of opt_expand_bool, a general string that |
059ec3d9 PH |
1658 | ultimately expands to one of those values. */ |
1659 | ||
1660 | else if (*s != 0 && (offset != 0 || *s != '=')) | |
1661 | extra_chars_error(s, US"boolean option ", name, US""); | |
1662 | ||
1663 | /* Skip white space after = */ | |
1664 | ||
1665 | if (*s == '=') while (isspace((*(++s)))); | |
1666 | ||
1667 | /* If there is a data block and the opt_public flag is not set, change | |
1668 | the data block pointer to the private options block. */ | |
1669 | ||
1670 | if (data_block != NULL && (ol->type & opt_public) == 0) | |
1671 | data_block = (void *)(((driver_instance *)data_block)->options_block); | |
1672 | ||
1673 | /* Now get the data according to the type. */ | |
1674 | ||
1675 | switch (type) | |
1676 | { | |
1677 | /* If a string value is not enclosed in quotes, it consists of | |
1678 | the rest of the current line, verbatim. Otherwise, string escapes | |
1679 | are processed. | |
1680 | ||
1681 | A transport is specified as a string, which is then looked up in the | |
1682 | list of transports. A search type is specified as one of a number of | |
1683 | known strings. | |
1684 | ||
1685 | A set or rewrite rules for a driver is specified as a string, which is | |
1686 | then parsed into a suitable chain of control blocks. | |
1687 | ||
1688 | Uids and gids are specified as strings which are then looked up in the | |
1689 | passwd file. Lists of uids and gids are similarly specified as colon- | |
1690 | separated strings. */ | |
1691 | ||
1692 | case opt_stringptr: | |
1693 | case opt_uid: | |
1694 | case opt_gid: | |
1695 | case opt_expand_uid: | |
1696 | case opt_expand_gid: | |
1697 | case opt_uidlist: | |
1698 | case opt_gidlist: | |
1699 | case opt_rewrite: | |
1700 | ||
1701 | reset_point = sptr = read_string(s, name); | |
1702 | ||
1703 | /* Having read a string, we now have several different ways of using it, | |
1704 | depending on the data type, so do another switch. If keeping the actual | |
1705 | string is not required (because it is interpreted), freesptr is set TRUE, | |
1706 | and at the end we reset the pool. */ | |
1707 | ||
1708 | switch (type) | |
1709 | { | |
1710 | /* If this was a string, set the variable to point to the new string, | |
1711 | and set the flag so its store isn't reclaimed. If it was a list of rewrite | |
1712 | rules, we still keep the string (for printing), and parse the rules into a | |
1713 | control block and flags word. */ | |
1714 | ||
1715 | case opt_stringptr: | |
adaa0e2c JH |
1716 | str_target = data_block ? USS (US data_block + (long int)(ol->value)) |
1717 | : USS (ol->value); | |
846726c5 | 1718 | if (ol->type & opt_rep_con) |
532be449 | 1719 | { |
adaa0e2c | 1720 | uschar * saved_condition; |
6a8de854 PP |
1721 | /* We already have a condition, we're conducting a crude hack to let |
1722 | multiple condition rules be chained together, despite storing them in | |
1723 | text form. */ | |
adaa0e2c JH |
1724 | *str_target = string_copy_malloc( (saved_condition = *str_target) |
1725 | ? string_sprintf("${if and{{bool_lax{%s}}{bool_lax{%s}}}}", | |
1726 | saved_condition, sptr) | |
1727 | : sptr); | |
846726c5 JH |
1728 | /* TODO(pdp): there is a memory leak here and just below |
1729 | when we set 3 or more conditions; I still don't | |
1730 | understand the store mechanism enough to know | |
1731 | what's the safe way to free content from an earlier store. | |
6a8de854 PP |
1732 | AFAICT, stores stack, so freeing an early stored item also stores |
1733 | all data alloc'd after it. If we knew conditions were adjacent, | |
1734 | we could survive that, but we don't. So I *think* we need to take | |
1735 | another bit from opt_type to indicate "malloced"; this seems like | |
1736 | quite a hack, especially for this one case. It also means that | |
1737 | we can't ever reclaim the store from the *first* condition. | |
1738 | ||
1739 | Because we only do this once, near process start-up, I'm prepared to | |
1740 | let this slide for the time being, even though it rankles. */ | |
532be449 | 1741 | } |
76146973 JH |
1742 | else if (ol->type & opt_rep_str) |
1743 | { | |
2ad78978 JH |
1744 | uschar sep_o = Ustrncmp(name, "headers_add", 11)==0 ? '\n' : ':'; |
1745 | int sep_i = -(int)sep_o; | |
55414b25 | 1746 | const uschar * list = sptr; |
2ad78978 | 1747 | uschar * s; |
acec9514 | 1748 | gstring * list_o = NULL; |
4226691b | 1749 | |
acec9514 JH |
1750 | if (*str_target) |
1751 | { | |
1752 | list_o = string_get(Ustrlen(*str_target) + Ustrlen(sptr)); | |
1753 | list_o = string_cat(list_o, *str_target); | |
1754 | } | |
2ad78978 JH |
1755 | |
1756 | while ((s = string_nextinlist(&list, &sep_i, NULL, 0))) | |
acec9514 JH |
1757 | list_o = string_append_listele(list_o, sep_o, s); |
1758 | ||
2ad78978 | 1759 | if (list_o) |
acec9514 | 1760 | *str_target = string_copy_malloc(string_from_gstring(list_o)); |
76146973 | 1761 | } |
532be449 PP |
1762 | else |
1763 | { | |
1764 | *str_target = sptr; | |
1765 | freesptr = FALSE; | |
1766 | } | |
1767 | break; | |
1768 | ||
059ec3d9 | 1769 | case opt_rewrite: |
adaa0e2c JH |
1770 | if (data_block) |
1771 | *USS (US data_block + (long int)(ol->value)) = sptr; | |
059ec3d9 | 1772 | else |
adaa0e2c | 1773 | *USS (ol->value) = sptr; |
059ec3d9 PH |
1774 | freesptr = FALSE; |
1775 | if (type == opt_rewrite) | |
1776 | { | |
1777 | int sep = 0; | |
1778 | int *flagptr; | |
1779 | uschar *p = sptr; | |
1780 | rewrite_rule **chain; | |
1781 | optionlist *ol3; | |
1782 | ||
1783 | sprintf(CS name2, "*%.50s_rules", name); | |
1784 | ol2 = find_option(name2, oltop, last); | |
1785 | sprintf(CS name2, "*%.50s_flags", name); | |
1786 | ol3 = find_option(name2, oltop, last); | |
1787 | ||
1788 | if (ol2 == NULL || ol3 == NULL) | |
1789 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
1790 | "rewrite rules not available for driver"); | |
1791 | ||
1792 | if (data_block == NULL) | |
1793 | { | |
1794 | chain = (rewrite_rule **)(ol2->value); | |
1795 | flagptr = (int *)(ol3->value); | |
1796 | } | |
1797 | else | |
1798 | { | |
5903c6ff JH |
1799 | chain = (rewrite_rule **)(US data_block + (long int)(ol2->value)); |
1800 | flagptr = (int *)(US data_block + (long int)(ol3->value)); | |
059ec3d9 PH |
1801 | } |
1802 | ||
55414b25 | 1803 | while ((p = string_nextinlist(CUSS &sptr, &sep, big_buffer, BIG_BUFFER_SIZE))) |
059ec3d9 PH |
1804 | { |
1805 | rewrite_rule *next = readconf_one_rewrite(p, flagptr, FALSE); | |
1806 | *chain = next; | |
1807 | chain = &(next->next); | |
1808 | } | |
1809 | ||
1810 | if ((*flagptr & (rewrite_all_envelope | rewrite_smtp)) != 0) | |
1811 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "rewrite rule specifies a " | |
1812 | "non-header rewrite - not allowed at transport time -"); | |
1813 | } | |
1814 | break; | |
1815 | ||
1816 | /* If it was an expanded uid, see if there is any expansion to be | |
1817 | done by checking for the presence of a $ character. If there is, save it | |
1818 | in the corresponding *expand_user option field. Otherwise, fall through | |
1819 | to treat it as a fixed uid. Ensure mutual exclusivity of the two kinds | |
1820 | of data. */ | |
1821 | ||
1822 | case opt_expand_uid: | |
1823 | sprintf(CS name2, "*expand_%.50s", name); | |
1824 | ol2 = find_option(name2, oltop, last); | |
1825 | if (ol2 != NULL) | |
1826 | { | |
1827 | uschar *ss = (Ustrchr(sptr, '$') != NULL)? sptr : NULL; | |
1828 | ||
1829 | if (data_block == NULL) | |
1830 | *((uschar **)(ol2->value)) = ss; | |
1831 | else | |
5903c6ff | 1832 | *((uschar **)(US data_block + (long int)(ol2->value))) = ss; |
059ec3d9 PH |
1833 | |
1834 | if (ss != NULL) | |
1835 | { | |
1836 | *(get_set_flag(name, oltop, last, data_block)) = FALSE; | |
1837 | freesptr = FALSE; | |
1838 | break; | |
1839 | } | |
1840 | } | |
1841 | ||
1842 | /* Look up a fixed uid, and also make use of the corresponding gid | |
1843 | if a passwd entry is returned and the gid has not been set. */ | |
1844 | ||
1845 | case opt_uid: | |
1846 | if (!route_finduser(sptr, &pw, &uid)) | |
1847 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "user %s was not found", sptr); | |
1848 | if (data_block == NULL) | |
1849 | *((uid_t *)(ol->value)) = uid; | |
1850 | else | |
5903c6ff | 1851 | *((uid_t *)(US data_block + (long int)(ol->value))) = uid; |
059ec3d9 PH |
1852 | |
1853 | /* Set the flag indicating a fixed value is set */ | |
1854 | ||
1855 | *(get_set_flag(name, oltop, last, data_block)) = TRUE; | |
1856 | ||
1857 | /* Handle matching gid if we have a passwd entry: done by finding the | |
1858 | same name with terminating "user" changed to "group"; if not found, | |
1859 | ignore. Also ignore if the value is already set. */ | |
1860 | ||
1861 | if (pw == NULL) break; | |
1862 | Ustrcpy(name+Ustrlen(name)-4, "group"); | |
1863 | ol2 = find_option(name, oltop, last); | |
1864 | if (ol2 != NULL && ((ol2->type & opt_mask) == opt_gid || | |
1865 | (ol2->type & opt_mask) == opt_expand_gid)) | |
1866 | { | |
1867 | BOOL *set_flag = get_set_flag(name, oltop, last, data_block); | |
1868 | if (! *set_flag) | |
1869 | { | |
1870 | if (data_block == NULL) | |
1871 | *((gid_t *)(ol2->value)) = pw->pw_gid; | |
1872 | else | |
5903c6ff | 1873 | *((gid_t *)(US data_block + (long int)(ol2->value))) = pw->pw_gid; |
059ec3d9 PH |
1874 | *set_flag = TRUE; |
1875 | } | |
1876 | } | |
1877 | break; | |
1878 | ||
1879 | /* If it was an expanded gid, see if there is any expansion to be | |
1880 | done by checking for the presence of a $ character. If there is, save it | |
1881 | in the corresponding *expand_user option field. Otherwise, fall through | |
1882 | to treat it as a fixed gid. Ensure mutual exclusivity of the two kinds | |
1883 | of data. */ | |
1884 | ||
1885 | case opt_expand_gid: | |
1886 | sprintf(CS name2, "*expand_%.50s", name); | |
1887 | ol2 = find_option(name2, oltop, last); | |
1888 | if (ol2 != NULL) | |
1889 | { | |
1890 | uschar *ss = (Ustrchr(sptr, '$') != NULL)? sptr : NULL; | |
1891 | ||
1892 | if (data_block == NULL) | |
1893 | *((uschar **)(ol2->value)) = ss; | |
1894 | else | |
5903c6ff | 1895 | *((uschar **)(US data_block + (long int)(ol2->value))) = ss; |
059ec3d9 PH |
1896 | |
1897 | if (ss != NULL) | |
1898 | { | |
1899 | *(get_set_flag(name, oltop, last, data_block)) = FALSE; | |
1900 | freesptr = FALSE; | |
1901 | break; | |
1902 | } | |
1903 | } | |
1904 | ||
1905 | /* Handle freestanding gid */ | |
1906 | ||
1907 | case opt_gid: | |
1908 | if (!route_findgroup(sptr, &gid)) | |
1909 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "group %s was not found", sptr); | |
1910 | if (data_block == NULL) | |
1911 | *((gid_t *)(ol->value)) = gid; | |
1912 | else | |
5903c6ff | 1913 | *((gid_t *)(US data_block + (long int)(ol->value))) = gid; |
059ec3d9 PH |
1914 | *(get_set_flag(name, oltop, last, data_block)) = TRUE; |
1915 | break; | |
1916 | ||
1917 | /* If it was a uid list, look up each individual entry, and build | |
1918 | a vector of uids, with a count in the first element. Put the vector | |
1919 | in malloc store so we can free the string. (We are reading into | |
1920 | permanent store already.) */ | |
1921 | ||
1922 | case opt_uidlist: | |
1923 | { | |
1924 | int count = 1; | |
1925 | uid_t *list; | |
1926 | int ptr = 0; | |
55414b25 JH |
1927 | const uschar *p; |
1928 | const uschar *op = expand_string (sptr); | |
0925ede6 PH |
1929 | |
1930 | if (op == NULL) | |
1931 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "failed to expand %s: %s", | |
1932 | name, expand_string_message); | |
059ec3d9 | 1933 | |
0925ede6 | 1934 | p = op; |
059ec3d9 | 1935 | if (*p != 0) count++; |
0925ede6 | 1936 | while (*p != 0) if (*p++ == ':' && *p != 0) count++; |
059ec3d9 PH |
1937 | list = store_malloc(count*sizeof(uid_t)); |
1938 | list[ptr++] = (uid_t)(count - 1); | |
1939 | ||
1940 | if (data_block == NULL) | |
1941 | *((uid_t **)(ol->value)) = list; | |
1942 | else | |
5903c6ff | 1943 | *((uid_t **)(US data_block + (long int)(ol->value))) = list; |
059ec3d9 | 1944 | |
0925ede6 | 1945 | p = op; |
059ec3d9 PH |
1946 | while (count-- > 1) |
1947 | { | |
1948 | int sep = 0; | |
1949 | (void)string_nextinlist(&p, &sep, big_buffer, BIG_BUFFER_SIZE); | |
1950 | if (!route_finduser(big_buffer, NULL, &uid)) | |
1951 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "user %s was not found", | |
1952 | big_buffer); | |
1953 | list[ptr++] = uid; | |
1954 | } | |
1955 | } | |
1956 | break; | |
1957 | ||
1958 | /* If it was a gid list, look up each individual entry, and build | |
1959 | a vector of gids, with a count in the first element. Put the vector | |
1960 | in malloc store so we can free the string. (We are reading into permanent | |
1961 | store already.) */ | |
1962 | ||
1963 | case opt_gidlist: | |
1964 | { | |
1965 | int count = 1; | |
1966 | gid_t *list; | |
1967 | int ptr = 0; | |
55414b25 JH |
1968 | const uschar *p; |
1969 | const uschar *op = expand_string (sptr); | |
0925ede6 PH |
1970 | |
1971 | if (op == NULL) | |
1972 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "failed to expand %s: %s", | |
1973 | name, expand_string_message); | |
059ec3d9 | 1974 | |
0925ede6 | 1975 | p = op; |
059ec3d9 | 1976 | if (*p != 0) count++; |
0925ede6 | 1977 | while (*p != 0) if (*p++ == ':' && *p != 0) count++; |
059ec3d9 PH |
1978 | list = store_malloc(count*sizeof(gid_t)); |
1979 | list[ptr++] = (gid_t)(count - 1); | |
1980 | ||
1981 | if (data_block == NULL) | |
1982 | *((gid_t **)(ol->value)) = list; | |
1983 | else | |
5903c6ff | 1984 | *((gid_t **)(US data_block + (long int)(ol->value))) = list; |
059ec3d9 | 1985 | |
0925ede6 | 1986 | p = op; |
059ec3d9 PH |
1987 | while (count-- > 1) |
1988 | { | |
1989 | int sep = 0; | |
1990 | (void)string_nextinlist(&p, &sep, big_buffer, BIG_BUFFER_SIZE); | |
1991 | if (!route_findgroup(big_buffer, &gid)) | |
1992 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "group %s was not found", | |
1993 | big_buffer); | |
1994 | list[ptr++] = gid; | |
1995 | } | |
1996 | } | |
1997 | break; | |
1998 | } | |
1999 | ||
2000 | /* Release store if the value of the string doesn't need to be kept. */ | |
2001 | ||
2002 | if (freesptr) store_reset(reset_point); | |
2003 | break; | |
2004 | ||
2005 | /* Expanded boolean: if no characters follow, or if there are no dollar | |
2006 | characters, this is a fixed-valued boolean, and we fall through. Otherwise, | |
2007 | save the string for later expansion in the alternate place. */ | |
2008 | ||
2009 | case opt_expand_bool: | |
2010 | if (*s != 0 && Ustrchr(s, '$') != 0) | |
2011 | { | |
2012 | sprintf(CS name2, "*expand_%.50s", name); | |
2013 | ol2 = find_option(name2, oltop, last); | |
2014 | if (ol2 != NULL) | |
2015 | { | |
2016 | reset_point = sptr = read_string(s, name); | |
2017 | if (data_block == NULL) | |
2018 | *((uschar **)(ol2->value)) = sptr; | |
2019 | else | |
5903c6ff | 2020 | *((uschar **)(US data_block + (long int)(ol2->value))) = sptr; |
059ec3d9 PH |
2021 | freesptr = FALSE; |
2022 | break; | |
2023 | } | |
2024 | } | |
2025 | /* Fall through */ | |
2026 | ||
2027 | /* Boolean: if no characters follow, the value is boolvalue. Otherwise | |
2028 | look for yes/not/true/false. Some booleans are stored in a single bit in | |
2029 | a single int. There's a special fudge for verify settings; without a suffix | |
2030 | they set both xx_sender and xx_recipient. The table points to the sender | |
2031 | value; search subsequently for the recipient. There's another special case: | |
2032 | opt_bool_set also notes when a boolean has been set. */ | |
2033 | ||
2034 | case opt_bool: | |
2035 | case opt_bit: | |
2036 | case opt_bool_verify: | |
2037 | case opt_bool_set: | |
2038 | if (*s != 0) | |
2039 | { | |
2040 | s = readconf_readname(name2, 64, s); | |
2041 | if (strcmpic(name2, US"true") == 0 || strcmpic(name2, US"yes") == 0) | |
2042 | boolvalue = TRUE; | |
2043 | else if (strcmpic(name2, US"false") == 0 || strcmpic(name2, US"no") == 0) | |
2044 | boolvalue = FALSE; | |
2045 | else log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
2046 | "\"%s\" is not a valid value for the \"%s\" option", name2, name); | |
2047 | if (*s != 0) extra_chars_error(s, string_sprintf("\"%s\" ", name2), | |
2048 | US"for boolean option ", name); | |
2049 | } | |
2050 | ||
2051 | /* Handle single-bit type. */ | |
2052 | ||
2053 | if (type == opt_bit) | |
2054 | { | |
2055 | int bit = 1 << ((ol->type >> 16) & 31); | |
2056 | int *ptr = (data_block == NULL)? | |
2057 | (int *)(ol->value) : | |
5903c6ff | 2058 | (int *)(US data_block + (long int)ol->value); |
059ec3d9 PH |
2059 | if (boolvalue) *ptr |= bit; else *ptr &= ~bit; |
2060 | break; | |
2061 | } | |
2062 | ||
2063 | /* Handle full BOOL types */ | |
2064 | ||
2065 | if (data_block == NULL) | |
2066 | *((BOOL *)(ol->value)) = boolvalue; | |
2067 | else | |
5903c6ff | 2068 | *((BOOL *)(US data_block + (long int)(ol->value))) = boolvalue; |
059ec3d9 PH |
2069 | |
2070 | /* Verify fudge */ | |
2071 | ||
2072 | if (type == opt_bool_verify) | |
2073 | { | |
2074 | sprintf(CS name2, "%.50s_recipient", name + offset); | |
2075 | ol2 = find_option(name2, oltop, last); | |
2076 | if (ol2 != NULL) | |
2077 | { | |
2078 | if (data_block == NULL) | |
2079 | *((BOOL *)(ol2->value)) = boolvalue; | |
2080 | else | |
5903c6ff | 2081 | *((BOOL *)(US data_block + (long int)(ol2->value))) = boolvalue; |
059ec3d9 PH |
2082 | } |
2083 | } | |
2084 | ||
2085 | /* Note that opt_bool_set type is set, if there is somewhere to do so */ | |
2086 | ||
2087 | else if (type == opt_bool_set) | |
2088 | { | |
2089 | sprintf(CS name2, "*set_%.50s", name + offset); | |
2090 | ol2 = find_option(name2, oltop, last); | |
2091 | if (ol2 != NULL) | |
2092 | { | |
2093 | if (data_block == NULL) | |
2094 | *((BOOL *)(ol2->value)) = TRUE; | |
2095 | else | |
5903c6ff | 2096 | *((BOOL *)(US data_block + (long int)(ol2->value))) = TRUE; |
059ec3d9 PH |
2097 | } |
2098 | } | |
2099 | break; | |
2100 | ||
2101 | /* Octal integer */ | |
2102 | ||
2103 | case opt_octint: | |
2104 | intbase = 8; | |
2105 | inttype = US"octal "; | |
2106 | ||
2107 | /* Integer: a simple(ish) case; allow octal and hex formats, and | |
dcb72db9 | 2108 | suffixes K, M and G. The different types affect output, not input. */ |
059ec3d9 PH |
2109 | |
2110 | case opt_mkint: | |
2111 | case opt_int: | |
2112 | { | |
2113 | uschar *endptr; | |
7e8d92ba PH |
2114 | long int lvalue; |
2115 | ||
059ec3d9 | 2116 | errno = 0; |
7e8d92ba | 2117 | lvalue = strtol(CS s, CSS &endptr, intbase); |
059ec3d9 PH |
2118 | |
2119 | if (endptr == s) | |
2120 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "%sinteger expected for %s", | |
2121 | inttype, name); | |
2122 | ||
2123 | if (errno != ERANGE) | |
059ec3d9 PH |
2124 | if (tolower(*endptr) == 'k') |
2125 | { | |
7e8d92ba PH |
2126 | if (lvalue > INT_MAX/1024 || lvalue < INT_MIN/1024) errno = ERANGE; |
2127 | else lvalue *= 1024; | |
059ec3d9 PH |
2128 | endptr++; |
2129 | } | |
2130 | else if (tolower(*endptr) == 'm') | |
2131 | { | |
7e8d92ba | 2132 | if (lvalue > INT_MAX/(1024*1024) || lvalue < INT_MIN/(1024*1024)) |
059ec3d9 | 2133 | errno = ERANGE; |
7e8d92ba | 2134 | else lvalue *= 1024*1024; |
059ec3d9 PH |
2135 | endptr++; |
2136 | } | |
dcb72db9 JH |
2137 | else if (tolower(*endptr) == 'g') |
2138 | { | |
2139 | if (lvalue > INT_MAX/(1024*1024*1024) || lvalue < INT_MIN/(1024*1024*1024)) | |
2140 | errno = ERANGE; | |
2141 | else lvalue *= 1024*1024*1024; | |
2142 | endptr++; | |
2143 | } | |
059ec3d9 | 2144 | |
7e8d92ba PH |
2145 | if (errno == ERANGE || lvalue > INT_MAX || lvalue < INT_MIN) |
2146 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
2147 | "absolute value of integer \"%s\" is too large (overflow)", s); | |
059ec3d9 PH |
2148 | |
2149 | while (isspace(*endptr)) endptr++; | |
2150 | if (*endptr != 0) | |
2151 | extra_chars_error(endptr, inttype, US"integer value for ", name); | |
7e8d92ba PH |
2152 | |
2153 | value = (int)lvalue; | |
059ec3d9 PH |
2154 | } |
2155 | ||
2156 | if (data_block == NULL) | |
2157 | *((int *)(ol->value)) = value; | |
2158 | else | |
5903c6ff | 2159 | *((int *)(US data_block + (long int)(ol->value))) = value; |
059ec3d9 PH |
2160 | break; |
2161 | ||
dcb72db9 JH |
2162 | /* Integer held in K: again, allow octal and hex formats, and suffixes K, M |
2163 | and G. */ | |
13559da6 | 2164 | /*XXX consider moving to int_eximarith_t (but mind the overflow test 0415) */ |
059ec3d9 PH |
2165 | |
2166 | case opt_Kint: | |
2167 | { | |
2168 | uschar *endptr; | |
2169 | errno = 0; | |
2170 | value = strtol(CS s, CSS &endptr, intbase); | |
2171 | ||
2172 | if (endptr == s) | |
2173 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "%sinteger expected for %s", | |
2174 | inttype, name); | |
2175 | ||
2176 | if (errno != ERANGE) | |
dcb72db9 | 2177 | if (tolower(*endptr) == 'g') |
059ec3d9 | 2178 | { |
dcb72db9 JH |
2179 | if (value > INT_MAX/(1024*1024) || value < INT_MIN/(1024*1024)) |
2180 | errno = ERANGE; | |
2181 | else | |
2182 | value *= 1024*1024; | |
059ec3d9 PH |
2183 | endptr++; |
2184 | } | |
dcb72db9 | 2185 | else if (tolower(*endptr) == 'm') |
059ec3d9 | 2186 | { |
dcb72db9 JH |
2187 | if (value > INT_MAX/1024 || value < INT_MIN/1024) |
2188 | errno = ERANGE; | |
2189 | else | |
2190 | value *= 1024; | |
059ec3d9 PH |
2191 | endptr++; |
2192 | } | |
dcb72db9 JH |
2193 | else if (tolower(*endptr) == 'k') |
2194 | endptr++; | |
059ec3d9 | 2195 | else |
059ec3d9 | 2196 | value = (value + 512)/1024; |
059ec3d9 PH |
2197 | |
2198 | if (errno == ERANGE) log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
2199 | "absolute value of integer \"%s\" is too large (overflow)", s); | |
2200 | ||
2201 | while (isspace(*endptr)) endptr++; | |
2202 | if (*endptr != 0) | |
2203 | extra_chars_error(endptr, inttype, US"integer value for ", name); | |
2204 | } | |
2205 | ||
2206 | if (data_block == NULL) | |
2207 | *((int *)(ol->value)) = value; | |
2208 | else | |
5903c6ff | 2209 | *((int *)(US data_block + (long int)(ol->value))) = value; |
059ec3d9 PH |
2210 | break; |
2211 | ||
2212 | /* Fixed-point number: held to 3 decimal places. */ | |
2213 | ||
2214 | case opt_fixed: | |
2215 | if (sscanf(CS s, "%d%n", &value, &count) != 1) | |
2216 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
2217 | "fixed-point number expected for %s", name); | |
2218 | ||
2219 | if (value < 0) log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
2220 | "integer \"%s\" is too large (overflow)", s); | |
2221 | ||
2222 | value *= 1000; | |
2223 | ||
2224 | if (value < 0) log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
2225 | "integer \"%s\" is too large (overflow)", s); | |
2226 | ||
76ac1b5b JH |
2227 | /* We get a coverity error here for using count, as it derived |
2228 | from the tainted buffer pointed to by s, as parsed by sscanf(). | |
4c04137d | 2229 | By the definition of sscanf we must be accessing between start |
76ac1b5b JH |
2230 | and end of s (assuming it is nul-terminated...) so ignore the error. */ |
2231 | /* coverity[tainted_data] */ | |
059ec3d9 PH |
2232 | if (s[count] == '.') |
2233 | { | |
2234 | int d = 100; | |
2235 | while (isdigit(s[++count])) | |
2236 | { | |
2237 | value += (s[count] - '0') * d; | |
2238 | d /= 10; | |
2239 | } | |
2240 | } | |
2241 | ||
2242 | while (isspace(s[count])) count++; | |
2243 | ||
2244 | if (s[count] != 0) | |
2245 | extra_chars_error(s+count, US"fixed-point value for ", name, US""); | |
2246 | ||
2247 | if (data_block == NULL) | |
2248 | *((int *)(ol->value)) = value; | |
2249 | else | |
5903c6ff | 2250 | *((int *)(US data_block + (long int)(ol->value))) = value; |
059ec3d9 PH |
2251 | break; |
2252 | ||
2253 | /* There's a special routine to read time values. */ | |
2254 | ||
2255 | case opt_time: | |
2256 | value = readconf_readtime(s, 0, FALSE); | |
2257 | if (value < 0) | |
2258 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "invalid time value for %s", | |
2259 | name); | |
2260 | if (data_block == NULL) | |
2261 | *((int *)(ol->value)) = value; | |
2262 | else | |
5903c6ff | 2263 | *((int *)(US data_block + (long int)(ol->value))) = value; |
059ec3d9 PH |
2264 | break; |
2265 | ||
2266 | /* A time list is a list of colon-separated times, with the first | |
2267 | element holding the size of the list and the second the number of | |
2268 | entries used. */ | |
2269 | ||
2270 | case opt_timelist: | |
2271 | { | |
2272 | int count = 0; | |
2273 | int *list = (data_block == NULL)? | |
2274 | (int *)(ol->value) : | |
5903c6ff | 2275 | (int *)(US data_block + (long int)(ol->value)); |
059ec3d9 PH |
2276 | |
2277 | if (*s != 0) for (count = 1; count <= list[0] - 2; count++) | |
2278 | { | |
2279 | int terminator = 0; | |
2280 | uschar *snext = Ustrchr(s, ':'); | |
2281 | if (snext != NULL) | |
2282 | { | |
2283 | uschar *ss = snext; | |
2284 | while (ss > s && isspace(ss[-1])) ss--; | |
2285 | terminator = *ss; | |
2286 | } | |
2287 | value = readconf_readtime(s, terminator, FALSE); | |
2288 | if (value < 0) | |
2289 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "invalid time value for %s", | |
2290 | name); | |
2291 | if (count > 1 && value <= list[count]) | |
2292 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
2293 | "time value out of order for %s", name); | |
2294 | list[count+1] = value; | |
2295 | if (snext == NULL) break; | |
2296 | s = snext + 1; | |
2297 | while (isspace(*s)) s++; | |
2298 | } | |
2299 | ||
2300 | if (count > list[0] - 2) | |
2301 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "too many time values for %s", | |
2302 | name); | |
2303 | if (count > 0 && list[2] == 0) count = 0; | |
2304 | list[1] = count; | |
1ad6489e | 2305 | break; |
059ec3d9 PH |
2306 | } |
2307 | ||
1ad6489e JH |
2308 | case opt_func: |
2309 | { | |
2310 | void (*fn)() = ol->value; | |
2311 | fn(name, s); | |
2312 | break; | |
2313 | } | |
059ec3d9 PH |
2314 | } |
2315 | ||
2316 | return TRUE; | |
2317 | } | |
2318 | ||
2319 | ||
2320 | ||
2321 | /************************************************* | |
2322 | * Print a time value * | |
2323 | *************************************************/ | |
2324 | ||
2325 | /* | |
2326 | Argument: a time value in seconds | |
2327 | Returns: pointer to a fixed buffer containing the time as a string, | |
2328 | in readconf_readtime() format | |
2329 | */ | |
2330 | ||
2331 | uschar * | |
2332 | readconf_printtime(int t) | |
2333 | { | |
2334 | int s, m, h, d, w; | |
2335 | uschar *p = time_buffer; | |
2336 | ||
ea49d0e1 PH |
2337 | if (t < 0) |
2338 | { | |
2339 | *p++ = '-'; | |
2340 | t = -t; | |
2341 | } | |
2342 | ||
059ec3d9 PH |
2343 | s = t % 60; |
2344 | t /= 60; | |
2345 | m = t % 60; | |
2346 | t /= 60; | |
2347 | h = t % 24; | |
2348 | t /= 24; | |
2349 | d = t % 7; | |
2350 | w = t/7; | |
2351 | ||
32dfdf8b JH |
2352 | if (w > 0) p += sprintf(CS p, "%dw", w); |
2353 | if (d > 0) p += sprintf(CS p, "%dd", d); | |
2354 | if (h > 0) p += sprintf(CS p, "%dh", h); | |
2355 | if (m > 0) p += sprintf(CS p, "%dm", m); | |
059ec3d9 PH |
2356 | if (s > 0 || p == time_buffer) sprintf(CS p, "%ds", s); |
2357 | ||
2358 | return time_buffer; | |
2359 | } | |
2360 | ||
2361 | ||
2362 | ||
2363 | /************************************************* | |
2364 | * Print an individual option value * | |
2365 | *************************************************/ | |
2366 | ||
2367 | /* This is used by the -bP option, so prints to the standard output. | |
2368 | The entire options list is passed in as an argument, because some options come | |
2369 | in pairs - typically uid/gid settings, which can either be explicit numerical | |
2370 | values, or strings to be expanded later. If the numerical value is unset, | |
2371 | search for "*expand_<name>" to see if there is a string equivalent. | |
2372 | ||
2373 | Arguments: | |
2374 | ol option entry, or NULL for an unknown option | |
2375 | name option name | |
2376 | options_block NULL for main configuration options; otherwise points to | |
2377 | a driver block; if the option doesn't have opt_public | |
2378 | set, then options_block->options_block is where the item | |
2379 | resides. | |
2380 | oltop points to the option list in which ol exists | |
2381 | last one more than the offset of the last entry in optop | |
12f69989 | 2382 | no_labels do not show "foo = " at the start. |
059ec3d9 | 2383 | |
2be324ee | 2384 | Returns: boolean success |
059ec3d9 PH |
2385 | */ |
2386 | ||
2be324ee | 2387 | static BOOL |
059ec3d9 | 2388 | print_ol(optionlist *ol, uschar *name, void *options_block, |
12f69989 | 2389 | optionlist *oltop, int last, BOOL no_labels) |
059ec3d9 PH |
2390 | { |
2391 | struct passwd *pw; | |
2392 | struct group *gr; | |
2393 | optionlist *ol2; | |
2394 | void *value; | |
2395 | uid_t *uidlist; | |
2396 | gid_t *gidlist; | |
2397 | uschar *s; | |
2398 | uschar name2[64]; | |
2399 | ||
2be324ee | 2400 | if (!ol) |
059ec3d9 PH |
2401 | { |
2402 | printf("%s is not a known option\n", name); | |
2be324ee | 2403 | return FALSE; |
059ec3d9 PH |
2404 | } |
2405 | ||
2406 | /* Non-admin callers cannot see options that have been flagged secure by the | |
2407 | "hide" prefix. */ | |
2408 | ||
2be324ee | 2409 | if (!admin_user && ol->type & opt_secure) |
059ec3d9 | 2410 | { |
12f69989 PP |
2411 | if (no_labels) |
2412 | printf("%s\n", hidden); | |
2413 | else | |
2414 | printf("%s = %s\n", name, hidden); | |
2be324ee | 2415 | return TRUE; |
059ec3d9 PH |
2416 | } |
2417 | ||
2418 | /* Else show the value of the option */ | |
2419 | ||
2420 | value = ol->value; | |
2be324ee | 2421 | if (options_block) |
059ec3d9 | 2422 | { |
2be324ee | 2423 | if (!(ol->type & opt_public)) |
059ec3d9 | 2424 | options_block = (void *)(((driver_instance *)options_block)->options_block); |
5903c6ff | 2425 | value = (void *)(US options_block + (long int)value); |
059ec3d9 PH |
2426 | } |
2427 | ||
2428 | switch(ol->type & opt_mask) | |
2429 | { | |
2430 | case opt_stringptr: | |
2431 | case opt_rewrite: /* Show the text value */ | |
2be324ee JH |
2432 | s = *(USS value); |
2433 | if (!no_labels) printf("%s = ", name); | |
2434 | printf("%s\n", s ? string_printing2(s, FALSE) : US""); | |
2435 | break; | |
059ec3d9 PH |
2436 | |
2437 | case opt_int: | |
2be324ee JH |
2438 | if (!no_labels) printf("%s = ", name); |
2439 | printf("%d\n", *((int *)value)); | |
2440 | break; | |
059ec3d9 PH |
2441 | |
2442 | case opt_mkint: | |
2443 | { | |
2444 | int x = *((int *)value); | |
2445 | if (x != 0 && (x & 1023) == 0) | |
2446 | { | |
2447 | int c = 'K'; | |
2448 | x >>= 10; | |
2449 | if ((x & 1023) == 0) | |
2450 | { | |
2451 | c = 'M'; | |
2452 | x >>= 10; | |
2453 | } | |
12f69989 PP |
2454 | if (!no_labels) printf("%s = ", name); |
2455 | printf("%d%c\n", x, c); | |
2456 | } | |
2457 | else | |
2458 | { | |
2459 | if (!no_labels) printf("%s = ", name); | |
2460 | printf("%d\n", x); | |
059ec3d9 | 2461 | } |
059ec3d9 | 2462 | } |
2be324ee | 2463 | break; |
059ec3d9 PH |
2464 | |
2465 | case opt_Kint: | |
2466 | { | |
2467 | int x = *((int *)value); | |
12f69989 PP |
2468 | if (!no_labels) printf("%s = ", name); |
2469 | if (x == 0) printf("0\n"); | |
2be324ee JH |
2470 | else if ((x & 1023) == 0) printf("%dM\n", x >> 10); |
2471 | else printf("%dK\n", x); | |
059ec3d9 | 2472 | } |
2be324ee | 2473 | break; |
059ec3d9 PH |
2474 | |
2475 | case opt_octint: | |
2be324ee JH |
2476 | if (!no_labels) printf("%s = ", name); |
2477 | printf("%#o\n", *((int *)value)); | |
2478 | break; | |
059ec3d9 PH |
2479 | |
2480 | /* Can be negative only when "unset", in which case integer */ | |
2481 | ||
2482 | case opt_fixed: | |
2483 | { | |
2484 | int x = *((int *)value); | |
2485 | int f = x % 1000; | |
2486 | int d = 100; | |
2487 | if (x < 0) printf("%s =\n", name); else | |
2488 | { | |
12f69989 PP |
2489 | if (!no_labels) printf("%s = ", name); |
2490 | printf("%d.", x/1000); | |
059ec3d9 PH |
2491 | do |
2492 | { | |
2493 | printf("%d", f/d); | |
2494 | f %= d; | |
2495 | d /= 10; | |
2496 | } | |
2497 | while (f != 0); | |
2498 | printf("\n"); | |
2499 | } | |
2500 | } | |
2be324ee | 2501 | break; |
059ec3d9 PH |
2502 | |
2503 | /* If the numerical value is unset, try for the string value */ | |
2504 | ||
2505 | case opt_expand_uid: | |
2be324ee | 2506 | if (! *get_set_flag(name, oltop, last, options_block)) |
059ec3d9 | 2507 | { |
2be324ee JH |
2508 | sprintf(CS name2, "*expand_%.50s", name); |
2509 | if ((ol2 = find_option(name2, oltop, last))) | |
2510 | { | |
2511 | void *value2 = ol2->value; | |
2512 | if (options_block) | |
2513 | value2 = (void *)(US options_block + (long int)value2); | |
2514 | s = *(USS value2); | |
2515 | if (!no_labels) printf("%s = ", name); | |
2516 | printf("%s\n", s ? string_printing(s) : US""); | |
2517 | break; | |
2518 | } | |
059ec3d9 | 2519 | } |
059ec3d9 | 2520 | |
2be324ee | 2521 | /* Else fall through */ |
059ec3d9 PH |
2522 | |
2523 | case opt_uid: | |
2be324ee JH |
2524 | if (!no_labels) printf("%s = ", name); |
2525 | if (! *get_set_flag(name, oltop, last, options_block)) | |
2526 | printf("\n"); | |
2527 | else | |
2528 | if ((pw = getpwuid(*((uid_t *)value)))) | |
2529 | printf("%s\n", pw->pw_name); | |
2530 | else | |
2531 | printf("%ld\n", (long int)(*((uid_t *)value))); | |
2532 | break; | |
059ec3d9 PH |
2533 | |
2534 | /* If the numerical value is unset, try for the string value */ | |
2535 | ||
2536 | case opt_expand_gid: | |
2be324ee | 2537 | if (! *get_set_flag(name, oltop, last, options_block)) |
059ec3d9 | 2538 | { |
2be324ee JH |
2539 | sprintf(CS name2, "*expand_%.50s", name); |
2540 | if ( (ol2 = find_option(name2, oltop, last)) | |
2541 | && (ol2->type & opt_mask) == opt_stringptr) | |
2542 | { | |
2543 | void *value2 = ol2->value; | |
2544 | if (options_block) | |
2545 | value2 = (void *)(US options_block + (long int)value2); | |
2546 | s = *(USS value2); | |
2547 | if (!no_labels) printf("%s = ", name); | |
2548 | printf("%s\n", s ? string_printing(s) : US""); | |
2549 | break; | |
2550 | } | |
059ec3d9 | 2551 | } |
059ec3d9 | 2552 | |
2be324ee | 2553 | /* Else fall through */ |
059ec3d9 PH |
2554 | |
2555 | case opt_gid: | |
2be324ee JH |
2556 | if (!no_labels) printf("%s = ", name); |
2557 | if (! *get_set_flag(name, oltop, last, options_block)) | |
2558 | printf("\n"); | |
2559 | else | |
2560 | if ((gr = getgrgid(*((int *)value)))) | |
2561 | printf("%s\n", gr->gr_name); | |
2562 | else | |
2563 | printf("%ld\n", (long int)(*((int *)value))); | |
2564 | break; | |
059ec3d9 PH |
2565 | |
2566 | case opt_uidlist: | |
2be324ee JH |
2567 | uidlist = *((uid_t **)value); |
2568 | if (!no_labels) printf("%s =", name); | |
2569 | if (uidlist) | |
059ec3d9 | 2570 | { |
2be324ee JH |
2571 | int i; |
2572 | uschar sep = no_labels ? '\0' : ' '; | |
2573 | for (i = 1; i <= (int)(uidlist[0]); i++) | |
2574 | { | |
2575 | uschar *name = NULL; | |
2576 | if ((pw = getpwuid(uidlist[i]))) name = US pw->pw_name; | |
2577 | if (sep != '\0') printf("%c", sep); | |
2578 | if (name) printf("%s", name); | |
2579 | else printf("%ld", (long int)(uidlist[i])); | |
2580 | sep = ':'; | |
2581 | } | |
059ec3d9 | 2582 | } |
2be324ee JH |
2583 | printf("\n"); |
2584 | break; | |
059ec3d9 PH |
2585 | |
2586 | case opt_gidlist: | |
2be324ee JH |
2587 | gidlist = *((gid_t **)value); |
2588 | if (!no_labels) printf("%s =", name); | |
2589 | if (gidlist) | |
059ec3d9 | 2590 | { |
2be324ee JH |
2591 | int i; |
2592 | uschar sep = no_labels ? '\0' : ' '; | |
2593 | for (i = 1; i <= (int)(gidlist[0]); i++) | |
2594 | { | |
2595 | uschar *name = NULL; | |
2596 | if ((gr = getgrgid(gidlist[i]))) name = US gr->gr_name; | |
2597 | if (sep != '\0') printf("%c", sep); | |
2598 | if (name) printf("%s", name); | |
2599 | else printf("%ld", (long int)(gidlist[i])); | |
2600 | sep = ':'; | |
2601 | } | |
059ec3d9 | 2602 | } |
2be324ee JH |
2603 | printf("\n"); |
2604 | break; | |
059ec3d9 PH |
2605 | |
2606 | case opt_time: | |
2be324ee JH |
2607 | if (!no_labels) printf("%s = ", name); |
2608 | printf("%s\n", readconf_printtime(*((int *)value))); | |
2609 | break; | |
059ec3d9 PH |
2610 | |
2611 | case opt_timelist: | |
2612 | { | |
2613 | int i; | |
2614 | int *list = (int *)value; | |
12f69989 | 2615 | if (!no_labels) printf("%s = ", name); |
059ec3d9 | 2616 | for (i = 0; i < list[1]; i++) |
2be324ee | 2617 | printf("%s%s", i == 0 ? "" : ":", readconf_printtime(list[i+2])); |
059ec3d9 PH |
2618 | printf("\n"); |
2619 | } | |
2be324ee | 2620 | break; |
059ec3d9 PH |
2621 | |
2622 | case opt_bit: | |
2be324ee JH |
2623 | printf("%s%s\n", ((*((int *)value)) & (1 << ((ol->type >> 16) & 31)))? |
2624 | "" : "no_", name); | |
2625 | break; | |
059ec3d9 PH |
2626 | |
2627 | case opt_expand_bool: | |
2be324ee JH |
2628 | sprintf(CS name2, "*expand_%.50s", name); |
2629 | if ((ol2 = find_option(name2, oltop, last)) && ol2->value) | |
059ec3d9 | 2630 | { |
2be324ee JH |
2631 | void *value2 = ol2->value; |
2632 | if (options_block) | |
2633 | value2 = (void *)(US options_block + (long int)value2); | |
2634 | s = *(USS value2); | |
2635 | if (s) | |
2636 | { | |
2637 | if (!no_labels) printf("%s = ", name); | |
2638 | printf("%s\n", string_printing(s)); | |
2639 | break; | |
2640 | } | |
2641 | /* s == NULL => string not set; fall through */ | |
059ec3d9 | 2642 | } |
059ec3d9 | 2643 | |
2be324ee | 2644 | /* Fall through */ |
059ec3d9 PH |
2645 | |
2646 | case opt_bool: | |
2647 | case opt_bool_verify: | |
2648 | case opt_bool_set: | |
2be324ee JH |
2649 | printf("%s%s\n", (*((BOOL *)value))? "" : "no_", name); |
2650 | break; | |
059ec3d9 | 2651 | } |
2be324ee | 2652 | return TRUE; |
059ec3d9 PH |
2653 | } |
2654 | ||
2655 | ||
2656 | ||
2657 | /************************************************* | |
2658 | * Print value from main configuration * | |
2659 | *************************************************/ | |
2660 | ||
2661 | /* This function, called as a result of encountering the -bP option, | |
2662 | causes the value of any main configuration variable to be output if the | |
2663 | second argument is NULL. There are some special values: | |
2664 | ||
2665 | all print all main configuration options | |
44f6c01d HSHR |
2666 | config_file print the name of the configuration file |
2667 | (configure_file will still work, for backward | |
2668 | compatibility) | |
059ec3d9 PH |
2669 | routers print the routers' configurations |
2670 | transports print the transports' configuration | |
2671 | authenticators print the authenticators' configuration | |
5d9c27ec | 2672 | macros print the macros' configuration |
059ec3d9 PH |
2673 | router_list print a list of router names |
2674 | transport_list print a list of transport names | |
2675 | authenticator_list print a list of authentication mechanism names | |
5d9c27ec | 2676 | macro_list print a list of macro names |
059ec3d9 PH |
2677 | +name print a named list item |
2678 | local_scan print the local_scan options | |
bf3c2c6b | 2679 | config print the configuration as it is parsed |
bc3c7bb7 | 2680 | environment print the used execution environment |
059ec3d9 | 2681 | |
5d9c27ec TK |
2682 | If the second argument is not NULL, it must be one of "router", "transport", |
2683 | "authenticator" or "macro" in which case the first argument identifies the | |
2684 | driver whose options are to be printed. | |
059ec3d9 PH |
2685 | |
2686 | Arguments: | |
2687 | name option name if type == NULL; else driver name | |
2688 | type NULL or driver type name, as described above | |
12f69989 | 2689 | no_labels avoid the "foo = " at the start of an item |
059ec3d9 | 2690 | |
2be324ee | 2691 | Returns: Boolean success |
059ec3d9 PH |
2692 | */ |
2693 | ||
2be324ee | 2694 | BOOL |
12f69989 | 2695 | readconf_print(uschar *name, uschar *type, BOOL no_labels) |
059ec3d9 PH |
2696 | { |
2697 | BOOL names_only = FALSE; | |
2698 | optionlist *ol; | |
2699 | optionlist *ol2 = NULL; | |
2700 | driver_instance *d = NULL; | |
5d9c27ec | 2701 | macro_item *m; |
059ec3d9 PH |
2702 | int size = 0; |
2703 | ||
2be324ee | 2704 | if (!type) |
059ec3d9 PH |
2705 | { |
2706 | if (*name == '+') | |
2707 | { | |
2708 | int i; | |
2709 | tree_node *t; | |
2710 | BOOL found = FALSE; | |
2711 | static uschar *types[] = { US"address", US"domain", US"host", | |
2712 | US"localpart" }; | |
2713 | static tree_node **anchors[] = { &addresslist_anchor, &domainlist_anchor, | |
2714 | &hostlist_anchor, &localpartlist_anchor }; | |
2715 | ||
2716 | for (i = 0; i < 4; i++) | |
2be324ee | 2717 | if ((t = tree_search(*(anchors[i]), name+1))) |
059ec3d9 PH |
2718 | { |
2719 | found = TRUE; | |
12f69989 PP |
2720 | if (no_labels) |
2721 | printf("%s\n", ((namedlist_block *)(t->data.ptr))->string); | |
2722 | else | |
2723 | printf("%slist %s = %s\n", types[i], name+1, | |
2724 | ((namedlist_block *)(t->data.ptr))->string); | |
059ec3d9 | 2725 | } |
059ec3d9 PH |
2726 | |
2727 | if (!found) | |
2728 | printf("no address, domain, host, or local part list called \"%s\" " | |
2729 | "exists\n", name+1); | |
2730 | ||
2be324ee | 2731 | return found; |
059ec3d9 PH |
2732 | } |
2733 | ||
d7bed771 JH |
2734 | if ( Ustrcmp(name, "configure_file") == 0 |
2735 | || Ustrcmp(name, "config_file") == 0) | |
059ec3d9 PH |
2736 | { |
2737 | printf("%s\n", CS config_main_filename); | |
2be324ee | 2738 | return TRUE; |
059ec3d9 PH |
2739 | } |
2740 | ||
2741 | if (Ustrcmp(name, "all") == 0) | |
2742 | { | |
2743 | for (ol = optionlist_config; | |
c0b9d3e8 | 2744 | ol < optionlist_config + nelem(optionlist_config); ol++) |
2be324ee JH |
2745 | if (!(ol->type & opt_hidden)) |
2746 | (void) print_ol(ol, US ol->name, NULL, | |
2747 | optionlist_config, nelem(optionlist_config), | |
2748 | no_labels); | |
2749 | return TRUE; | |
059ec3d9 PH |
2750 | } |
2751 | ||
2752 | if (Ustrcmp(name, "local_scan") == 0) | |
2753 | { | |
2be324ee | 2754 | #ifndef LOCAL_SCAN_HAS_OPTIONS |
059ec3d9 | 2755 | printf("local_scan() options are not supported\n"); |
2be324ee JH |
2756 | return FALSE; |
2757 | #else | |
059ec3d9 PH |
2758 | for (ol = local_scan_options; |
2759 | ol < local_scan_options + local_scan_options_count; ol++) | |
2be324ee JH |
2760 | (void) print_ol(ol, US ol->name, NULL, local_scan_options, |
2761 | local_scan_options_count, no_labels); | |
2762 | return TRUE; | |
2763 | #endif | |
059ec3d9 PH |
2764 | } |
2765 | ||
bf3c2c6b HSHR |
2766 | if (Ustrcmp(name, "config") == 0) |
2767 | { | |
3257ed4b | 2768 | print_config(admin_user, no_labels); |
2be324ee | 2769 | return TRUE; |
bf3c2c6b HSHR |
2770 | } |
2771 | ||
059ec3d9 PH |
2772 | if (Ustrcmp(name, "routers") == 0) |
2773 | { | |
2774 | type = US"router"; | |
2775 | name = NULL; | |
2776 | } | |
2777 | else if (Ustrcmp(name, "transports") == 0) | |
2778 | { | |
2779 | type = US"transport"; | |
2780 | name = NULL; | |
2781 | } | |
059ec3d9 PH |
2782 | else if (Ustrcmp(name, "authenticators") == 0) |
2783 | { | |
2784 | type = US"authenticator"; | |
2785 | name = NULL; | |
2786 | } | |
5d9c27ec | 2787 | else if (Ustrcmp(name, "macros") == 0) |
059ec3d9 | 2788 | { |
5d9c27ec | 2789 | type = US"macro"; |
059ec3d9 | 2790 | name = NULL; |
059ec3d9 | 2791 | } |
059ec3d9 PH |
2792 | else if (Ustrcmp(name, "router_list") == 0) |
2793 | { | |
2794 | type = US"router"; | |
2795 | name = NULL; | |
2796 | names_only = TRUE; | |
2797 | } | |
2798 | else if (Ustrcmp(name, "transport_list") == 0) | |
2799 | { | |
2800 | type = US"transport"; | |
2801 | name = NULL; | |
2802 | names_only = TRUE; | |
2803 | } | |
5d9c27ec TK |
2804 | else if (Ustrcmp(name, "authenticator_list") == 0) |
2805 | { | |
2806 | type = US"authenticator"; | |
2807 | name = NULL; | |
2808 | names_only = TRUE; | |
2809 | } | |
5d9c27ec TK |
2810 | else if (Ustrcmp(name, "macro_list") == 0) |
2811 | { | |
2812 | type = US"macro"; | |
2813 | name = NULL; | |
2814 | names_only = TRUE; | |
2815 | } | |
bc3c7bb7 HSHR |
2816 | else if (Ustrcmp(name, "environment") == 0) |
2817 | { | |
2818 | if (environ) | |
2819 | { | |
77560253 | 2820 | uschar ** p; |
bc3c7bb7 | 2821 | for (p = USS environ; *p; p++) ; |
84bbb4d8 | 2822 | qsort(environ, p - USS environ, sizeof(*p), string_compare_by_pointer); |
bc3c7bb7 HSHR |
2823 | |
2824 | for (p = USS environ; *p; p++) | |
2825 | { | |
77560253 JH |
2826 | uschar * q; |
2827 | if (no_labels && (q = Ustrchr(*p, '='))) *q = '\0'; | |
f2cb6292 | 2828 | puts(CS *p); |
bc3c7bb7 HSHR |
2829 | } |
2830 | } | |
2be324ee | 2831 | return TRUE; |
bc3c7bb7 HSHR |
2832 | } |
2833 | ||
059ec3d9 | 2834 | else |
2be324ee JH |
2835 | return print_ol(find_option(name, |
2836 | optionlist_config, nelem(optionlist_config)), | |
c0b9d3e8 | 2837 | name, NULL, optionlist_config, nelem(optionlist_config), no_labels); |
059ec3d9 PH |
2838 | } |
2839 | ||
2840 | /* Handle the options for a router or transport. Skip options that are flagged | |
2841 | as hidden. Some of these are options with names starting with '*', used for | |
2842 | internal alternative representations of other options (which the printing | |
2843 | function will sort out). Others are synonyms kept for backward compatibility. | |
2844 | */ | |
2845 | ||
2846 | if (Ustrcmp(type, "router") == 0) | |
2847 | { | |
2848 | d = (driver_instance *)routers; | |
2849 | ol2 = optionlist_routers; | |
2850 | size = optionlist_routers_size; | |
2851 | } | |
2852 | else if (Ustrcmp(type, "transport") == 0) | |
2853 | { | |
2854 | d = (driver_instance *)transports; | |
2855 | ol2 = optionlist_transports; | |
2856 | size = optionlist_transports_size; | |
2857 | } | |
2858 | else if (Ustrcmp(type, "authenticator") == 0) | |
2859 | { | |
2860 | d = (driver_instance *)auths; | |
2861 | ol2 = optionlist_auths; | |
2862 | size = optionlist_auths_size; | |
2863 | } | |
2864 | ||
5d9c27ec TK |
2865 | else if (Ustrcmp(type, "macro") == 0) |
2866 | { | |
2867 | /* People store passwords in macros and they were previously not available | |
2868 | for printing. So we have an admin_users restriction. */ | |
2869 | if (!admin_user) | |
2870 | { | |
2871 | fprintf(stderr, "exim: permission denied\n"); | |
2be324ee | 2872 | return FALSE; |
5d9c27ec | 2873 | } |
1a7c9a48 JH |
2874 | for (m = macros; m; m = m->next) |
2875 | if (!name || Ustrcmp(name, m->name) == 0) | |
2be324ee | 2876 | { |
1a7c9a48 JH |
2877 | if (names_only) |
2878 | printf("%s\n", CS m->name); | |
2879 | else | |
2880 | printf("%s=%s\n", CS m->name, CS m->replacement); | |
2881 | if (name) | |
2882 | return TRUE; | |
2be324ee | 2883 | } |
1a7c9a48 | 2884 | if (!name) return TRUE; |
165acdd1 | 2885 | |
1a7c9a48 JH |
2886 | printf("%s %s not found\n", type, name); |
2887 | return FALSE; | |
5d9c27ec TK |
2888 | } |
2889 | ||
059ec3d9 PH |
2890 | if (names_only) |
2891 | { | |
165acdd1 | 2892 | for (; d; d = d->next) printf("%s\n", CS d->name); |
1a7c9a48 | 2893 | return TRUE; |
059ec3d9 PH |
2894 | } |
2895 | ||
2896 | /* Either search for a given driver, or print all of them */ | |
2897 | ||
165acdd1 | 2898 | for (; d; d = d->next) |
059ec3d9 | 2899 | { |
2be324ee | 2900 | BOOL rc = FALSE; |
165acdd1 | 2901 | if (!name) |
059ec3d9 | 2902 | printf("\n%s %s:\n", d->name, type); |
1a7c9a48 | 2903 | else if (Ustrcmp(d->name, name) != 0) continue; |
059ec3d9 PH |
2904 | |
2905 | for (ol = ol2; ol < ol2 + size; ol++) | |
2be324ee JH |
2906 | if (!(ol->type & opt_hidden)) |
2907 | rc |= print_ol(ol, US ol->name, d, ol2, size, no_labels); | |
059ec3d9 PH |
2908 | |
2909 | for (ol = d->info->options; | |
2910 | ol < d->info->options + *(d->info->options_count); ol++) | |
2be324ee JH |
2911 | if (!(ol->type & opt_hidden)) |
2912 | rc |= print_ol(ol, US ol->name, d, d->info->options, | |
2913 | *d->info->options_count, no_labels); | |
165acdd1 | 2914 | |
2be324ee | 2915 | if (name) return rc; |
059ec3d9 | 2916 | } |
2be324ee JH |
2917 | if (!name) return TRUE; |
2918 | ||
2919 | printf("%s %s not found\n", type, name); | |
2920 | return FALSE; | |
059ec3d9 PH |
2921 | } |
2922 | ||
2923 | ||
2924 | ||
2925 | /************************************************* | |
2926 | * Read a named list item * | |
2927 | *************************************************/ | |
2928 | ||
2929 | /* This function reads a name and a list (i.e. string). The name is used to | |
2930 | save the list in a tree, sorted by its name. Each entry also has a number, | |
2931 | which can be used for caching tests, but if the string contains any expansion | |
2932 | items other than $key, the number is set negative to inhibit caching. This | |
2933 | mechanism is used for domain, host, and address lists that are referenced by | |
2934 | the "+name" syntax. | |
2935 | ||
2936 | Arguments: | |
2937 | anchorp points to the tree anchor | |
2938 | numberp points to the current number for this tree | |
2939 | max the maximum number permitted | |
2940 | s the text of the option line, starting immediately after the name | |
2941 | of the list type | |
2942 | tname the name of the list type, for messages | |
2943 | ||
2944 | Returns: nothing | |
2945 | */ | |
2946 | ||
2947 | static void | |
2948 | read_named_list(tree_node **anchorp, int *numberp, int max, uschar *s, | |
2949 | uschar *tname) | |
2950 | { | |
2951 | BOOL forcecache = FALSE; | |
2952 | uschar *ss; | |
2953 | tree_node *t; | |
2954 | namedlist_block *nb = store_get(sizeof(namedlist_block)); | |
2955 | ||
2956 | if (Ustrncmp(s, "_cache", 6) == 0) | |
2957 | { | |
2958 | forcecache = TRUE; | |
2959 | s += 6; | |
2960 | } | |
2961 | ||
2962 | if (!isspace(*s)) | |
2963 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "unrecognized configuration line"); | |
2964 | ||
2965 | if (*numberp >= max) | |
2966 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "too many named %ss (max is %d)\n", | |
2967 | tname, max); | |
2968 | ||
2969 | while (isspace(*s)) s++; | |
2970 | ss = s; | |
2971 | while (isalnum(*s) || *s == '_') s++; | |
2972 | t = store_get(sizeof(tree_node) + s-ss); | |
2973 | Ustrncpy(t->name, ss, s-ss); | |
2974 | t->name[s-ss] = 0; | |
2975 | while (isspace(*s)) s++; | |
2976 | ||
2977 | if (!tree_insertnode(anchorp, t)) | |
2978 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
2979 | "duplicate name \"%s\" for a named %s", t->name, tname); | |
2980 | ||
2981 | t->data.ptr = nb; | |
2982 | nb->number = *numberp; | |
2983 | *numberp += 1; | |
2984 | ||
2985 | if (*s++ != '=') log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
2986 | "missing '=' after \"%s\"", t->name); | |
2987 | while (isspace(*s)) s++; | |
2988 | nb->string = read_string(s, t->name); | |
2989 | nb->cache_data = NULL; | |
2990 | ||
2991 | /* Check the string for any expansions; if any are found, mark this list | |
2992 | uncacheable unless the user has explicited forced caching. */ | |
2993 | ||
2994 | if (!forcecache && Ustrchr(nb->string, '$') != NULL) nb->number = -1; | |
2995 | } | |
2996 | ||
2997 | ||
2998 | ||
2999 | ||
3000 | /************************************************* | |
3001 | * Unpick data for a rate limit * | |
3002 | *************************************************/ | |
3003 | ||
3004 | /* This function is called to unpick smtp_ratelimit_{mail,rcpt} into four | |
3005 | separate values. | |
3006 | ||
3007 | Arguments: | |
3008 | s string, in the form t,b,f,l | |
3009 | where t is the threshold (integer) | |
3010 | b is the initial delay (time) | |
3011 | f is the multiplicative factor (fixed point) | |
3012 | k is the maximum time (time) | |
3013 | threshold where to store threshold | |
3014 | base where to store base in milliseconds | |
3015 | factor where to store factor in milliseconds | |
3016 | limit where to store limit | |
3017 | ||
3018 | Returns: nothing (panics on error) | |
3019 | */ | |
3020 | ||
3021 | static void | |
3022 | unpick_ratelimit(uschar *s, int *threshold, int *base, double *factor, | |
3023 | int *limit) | |
3024 | { | |
3025 | uschar bstring[16], lstring[16]; | |
3026 | ||
3027 | if (sscanf(CS s, "%d, %15[0123456789smhdw.], %lf, %15s", threshold, bstring, | |
3028 | factor, lstring) == 4) | |
3029 | { | |
3030 | *base = readconf_readtime(bstring, 0, TRUE); | |
3031 | *limit = readconf_readtime(lstring, 0, TRUE); | |
3032 | if (*base >= 0 && *limit >= 0) return; | |
3033 | } | |
3034 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "malformed ratelimit data: %s", s); | |
3035 | } | |
3036 | ||
3037 | ||
3038 | ||
3039 | ||
3375e053 PP |
3040 | /************************************************* |
3041 | * Drop privs for checking TLS config * | |
3042 | *************************************************/ | |
3043 | ||
3044 | /* We want to validate TLS options during readconf, but do not want to be | |
3045 | root when we call into the TLS library, in case of library linkage errors | |
3046 | which cause segfaults; before this check, those were always done as the Exim | |
3047 | runtime user and it makes sense to continue with that. | |
3048 | ||
3049 | Assumes: tls_require_ciphers has been set, if it will be | |
3050 | exim_user has been set, if it will be | |
3051 | exim_group has been set, if it will be | |
3052 | ||
3053 | Returns: bool for "okay"; false will cause caller to immediately exit. | |
3054 | */ | |
3055 | ||
3056 | #ifdef SUPPORT_TLS | |
3057 | static BOOL | |
34e86e20 | 3058 | tls_dropprivs_validate_require_cipher(BOOL nowarn) |
3375e053 PP |
3059 | { |
3060 | const uschar *errmsg; | |
3061 | pid_t pid; | |
3062 | int rc, status; | |
3063 | void (*oldsignal)(int); | |
3064 | ||
23f3dc67 JH |
3065 | /* If TLS will never be used, no point checking ciphers */ |
3066 | ||
3067 | if ( !tls_advertise_hosts | |
3068 | || !*tls_advertise_hosts | |
3069 | || Ustrcmp(tls_advertise_hosts, ":") == 0 | |
3070 | ) | |
3071 | return TRUE; | |
34e86e20 | 3072 | else if (!nowarn && !tls_certificate) |
23bb6982 JH |
3073 | log_write(0, LOG_MAIN, |
3074 | "Warning: No server certificate defined; will use a selfsigned one.\n" | |
23f3dc67 JH |
3075 | " Suggested action: either install a certificate or change tls_advertise_hosts option"); |
3076 | ||
3375e053 PP |
3077 | oldsignal = signal(SIGCHLD, SIG_DFL); |
3078 | ||
3079 | fflush(NULL); | |
3080 | if ((pid = fork()) < 0) | |
3081 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "fork failed for TLS check"); | |
3082 | ||
3083 | if (pid == 0) | |
3084 | { | |
1d7a353e PP |
3085 | /* in some modes, will have dropped privilege already */ |
3086 | if (!geteuid()) | |
3087 | exim_setugid(exim_uid, exim_gid, FALSE, | |
3088 | US"calling tls_validate_require_cipher"); | |
3375e053 | 3089 | |
cf0c6164 | 3090 | if ((errmsg = tls_validate_require_cipher())) |
3375e053 PP |
3091 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, |
3092 | "tls_require_ciphers invalid: %s", errmsg); | |
3375e053 PP |
3093 | fflush(NULL); |
3094 | _exit(0); | |
3095 | } | |
3096 | ||
3097 | do { | |
3098 | rc = waitpid(pid, &status, 0); | |
3099 | } while (rc < 0 && errno == EINTR); | |
3100 | ||
9d26b8c0 | 3101 | DEBUG(D_tls) |
3375e053 PP |
3102 | debug_printf("tls_validate_require_cipher child %d ended: status=0x%x\n", |
3103 | (int)pid, status); | |
3104 | ||
3105 | signal(SIGCHLD, oldsignal); | |
3106 | ||
3107 | return status == 0; | |
3108 | } | |
3109 | #endif /* SUPPORT_TLS */ | |
3110 | ||
3111 | ||
3112 | ||
3113 | ||
059ec3d9 PH |
3114 | /************************************************* |
3115 | * Read main configuration options * | |
3116 | *************************************************/ | |
3117 | ||
3118 | /* This function is the first to be called for configuration reading. It | |
3119 | opens the configuration file and reads general configuration settings until | |
3120 | it reaches the end of the configuration section. The file is then left open so | |
3121 | that the remaining configuration data can subsequently be read if needed for | |
3122 | this run of Exim. | |
3123 | ||
3124 | The configuration file must be owned either by root or exim, and be writeable | |
3125 | only by root or uid/gid exim. The values for Exim's uid and gid can be changed | |
3126 | in the config file, so the test is done on the compiled in values. A slight | |
3127 | anomaly, to be carefully documented. | |
3128 | ||
3129 | The name of the configuration file is taken from a list that is included in the | |
3130 | binary of Exim. It can be altered from the command line, but if that is done, | |
3131 | root privilege is immediately withdrawn unless the caller is root or exim. | |
3132 | The first file on the list that exists is used. | |
3133 | ||
3134 | For use on multiple systems that share file systems, first look for a | |
3135 | configuration file whose name has the current node name on the end. If that is | |
3136 | not found, try the generic name. For really contorted configurations, that run | |
3137 | multiple Exims with different uid settings, first try adding the effective uid | |
3138 | before the node name. These complications are going to waste resources on most | |
3139 | systems. Therefore they are available only when requested by compile-time | |
3140 | options. */ | |
3141 | ||
3142 | void | |
34e86e20 | 3143 | readconf_main(BOOL nowarn) |
059ec3d9 PH |
3144 | { |
3145 | int sep = 0; | |
3146 | struct stat statbuf; | |
3147 | uschar *s, *filename; | |
55414b25 | 3148 | const uschar *list = config_main_filelist; |
059ec3d9 PH |
3149 | |
3150 | /* Loop through the possible file names */ | |
3151 | ||
8e6c4db1 | 3152 | while((filename = string_nextinlist(&list, &sep, big_buffer, big_buffer_size))) |
059ec3d9 | 3153 | { |
bc3c7bb7 | 3154 | |
059ec3d9 PH |
3155 | /* Cut out all the fancy processing unless specifically wanted */ |
3156 | ||
3157 | #if defined(CONFIGURE_FILE_USE_NODE) || defined(CONFIGURE_FILE_USE_EUID) | |
3158 | uschar *suffix = filename + Ustrlen(filename); | |
3159 | ||
3160 | /* Try for the node-specific file if a node name exists */ | |
3161 | ||
3162 | #ifdef CONFIGURE_FILE_USE_NODE | |
3163 | struct utsname uts; | |
3164 | if (uname(&uts) >= 0) | |
3165 | { | |
3166 | #ifdef CONFIGURE_FILE_USE_EUID | |
3167 | sprintf(CS suffix, ".%ld.%.256s", (long int)original_euid, uts.nodename); | |
3168 | config_file = Ufopen(filename, "rb"); | |
3169 | if (config_file == NULL) | |
3170 | #endif /* CONFIGURE_FILE_USE_EUID */ | |
3171 | { | |
3172 | sprintf(CS suffix, ".%.256s", uts.nodename); | |
3173 | config_file = Ufopen(filename, "rb"); | |
3174 | } | |
3175 | } | |
3176 | #endif /* CONFIGURE_FILE_USE_NODE */ | |
3177 | ||
3178 | /* Otherwise, try the generic name, possibly with the euid added */ | |
3179 | ||
3180 | #ifdef CONFIGURE_FILE_USE_EUID | |
3181 | if (config_file == NULL) | |
3182 | { | |
3183 | sprintf(CS suffix, ".%ld", (long int)original_euid); | |
3184 | config_file = Ufopen(filename, "rb"); | |
3185 | } | |
3186 | #endif /* CONFIGURE_FILE_USE_EUID */ | |
3187 | ||
3188 | /* Finally, try the unadorned name */ | |
3189 | ||
3190 | if (config_file == NULL) | |
3191 | { | |
3192 | *suffix = 0; | |
3193 | config_file = Ufopen(filename, "rb"); | |
3194 | } | |
3195 | #else /* if neither defined */ | |
3196 | ||
3197 | /* This is the common case when the fancy processing is not included. */ | |
3198 | ||
3199 | config_file = Ufopen(filename, "rb"); | |
3200 | #endif | |
3201 | ||
3202 | /* If the file does not exist, continue to try any others. For any other | |
3203 | error, break out (and die). */ | |
3204 | ||
3205 | if (config_file != NULL || errno != ENOENT) break; | |
3206 | } | |
3207 | ||
3208 | /* On success, save the name for verification; config_filename is used when | |
3209 | logging configuration errors (it changes for .included files) whereas | |
3210 | config_main_filename is the name shown by -bP. Failure to open a configuration | |
3211 | file is a serious disaster. */ | |
3212 | ||
8e7e1357 | 3213 | if (config_file) |
059ec3d9 | 3214 | { |
8e7e1357 | 3215 | uschar *last_slash = Ustrrchr(filename, '/'); |
059ec3d9 | 3216 | config_filename = config_main_filename = string_copy(filename); |
98b8312f | 3217 | |
8e7e1357 HSHR |
3218 | /* The config_main_directory we need for the $config_dir expansion. |
3219 | config_main_filename we need for $config_file expansion. | |
29f67888 HSHR |
3220 | And config_dir is the directory of the current configuration, used for |
3221 | relative .includes. We do need to know it's name, as we change our working | |
3222 | directory later. */ | |
3223 | ||
3224 | if (filename[0] == '/') | |
8e7e1357 | 3225 | config_main_directory = last_slash == filename ? US"/" : string_copyn(filename, last_slash - filename); |
29f67888 HSHR |
3226 | else |
3227 | { | |
3228 | /* relative configuration file name: working dir + / + basename(filename) */ | |
3229 | ||
863bd541 | 3230 | uschar buf[PATH_MAX]; |
acec9514 | 3231 | gstring * g; |
29f67888 | 3232 | |
863bd541 | 3233 | if (os_getcwd(buf, PATH_MAX) == NULL) |
29f67888 HSHR |
3234 | { |
3235 | perror("exim: getcwd"); | |
3236 | exit(EXIT_FAILURE); | |
3237 | } | |
acec9514 | 3238 | g = string_cat(NULL, buf); |
29f67888 HSHR |
3239 | |
3240 | /* If the dir does not end with a "/", append one */ | |
acec9514 JH |
3241 | if (g->s[g->ptr-1] != '/') |
3242 | g = string_catn(g, US"/", 1); | |
29f67888 HSHR |
3243 | |
3244 | /* If the config file contains a "/", extract the directory part */ | |
8e7e1357 | 3245 | if (last_slash) |
acec9514 | 3246 | g = string_catn(g, filename, last_slash - filename); |
8e7e1357 | 3247 | |
acec9514 | 3248 | config_main_directory = string_from_gstring(g); |
29f67888 HSHR |
3249 | } |
3250 | config_directory = config_main_directory; | |
059ec3d9 PH |
3251 | } |
3252 | else | |
3253 | { | |
3254 | if (filename == NULL) | |
3255 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "non-existent configuration file(s): " | |
3256 | "%s", config_main_filelist); | |
3257 | else | |
3258 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "%s", string_open_failed(errno, | |
3259 | "configuration file %s", filename)); | |
3260 | } | |
3261 | ||
29f67888 HSHR |
3262 | /* Now, once we found and opened our configuration file, we change the directory |
3263 | to a safe place. Later we change to $spool_directory. */ | |
3264 | ||
3265 | if (Uchdir("/") < 0) | |
3266 | { | |
3267 | perror("exim: chdir `/': "); | |
3268 | exit(EXIT_FAILURE); | |
3269 | } | |
3270 | ||
e2f5dc15 | 3271 | /* Check the status of the file we have opened, if we have retained root |
fea24b2e | 3272 | privileges and the file isn't /dev/null (which *should* be 0666). */ |
059ec3d9 | 3273 | |
fea24b2e | 3274 | if (trusted_config && Ustrcmp(filename, US"/dev/null")) |
059ec3d9 PH |
3275 | { |
3276 | if (fstat(fileno(config_file), &statbuf) != 0) | |
3277 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to stat configuration file %s", | |
3278 | big_buffer); | |
3279 | ||
c1d94452 | 3280 | if ((statbuf.st_uid != root_uid /* owner not root */ |
059ec3d9 PH |
3281 | #ifdef CONFIGURE_OWNER |
3282 | && statbuf.st_uid != config_uid /* owner not the special one */ | |
3283 | #endif | |
3284 | ) || /* or */ | |
c1d94452 | 3285 | (statbuf.st_gid != root_gid /* group not root & */ |
35edf2ff PH |
3286 | #ifdef CONFIGURE_GROUP |
3287 | && statbuf.st_gid != config_gid /* group not the special one */ | |
8e669ac1 | 3288 | #endif |
35edf2ff | 3289 | && (statbuf.st_mode & 020) != 0) || /* group writeable */ |
059ec3d9 PH |
3290 | /* or */ |
3291 | ((statbuf.st_mode & 2) != 0)) /* world writeable */ | |
3292 | ||
3293 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "Exim configuration file %s has the " | |
3294 | "wrong owner, group, or mode", big_buffer); | |
3295 | } | |
3296 | ||
3297 | /* Process the main configuration settings. They all begin with a lower case | |
3298 | letter. If we see something starting with an upper case letter, it is taken as | |
3299 | a macro definition. */ | |
3300 | ||
5bfe3b35 | 3301 | while ((s = get_config_line())) |
059ec3d9 | 3302 | { |
af542dcf HSHR |
3303 | if (config_lineno == 1 && Ustrstr(s, "\xef\xbb\xbf") == s) |
3304 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
3305 | "found unexpected BOM (Byte Order Mark)"); | |
3306 | ||
9650d98a JH |
3307 | if (isupper(s[0])) |
3308 | { if (!macro_read_assignment(s)) exim_exit(EXIT_FAILURE, US""); } | |
059ec3d9 PH |
3309 | |
3310 | else if (Ustrncmp(s, "domainlist", 10) == 0) | |
3311 | read_named_list(&domainlist_anchor, &domainlist_count, | |
3312 | MAX_NAMED_LIST, s+10, US"domain list"); | |
3313 | ||
3314 | else if (Ustrncmp(s, "hostlist", 8) == 0) | |
3315 | read_named_list(&hostlist_anchor, &hostlist_count, | |
3316 | MAX_NAMED_LIST, s+8, US"host list"); | |
3317 | ||
3318 | else if (Ustrncmp(s, US"addresslist", 11) == 0) | |
3319 | read_named_list(&addresslist_anchor, &addresslist_count, | |
3320 | MAX_NAMED_LIST, s+11, US"address list"); | |
3321 | ||
3322 | else if (Ustrncmp(s, US"localpartlist", 13) == 0) | |
3323 | read_named_list(&localpartlist_anchor, &localpartlist_count, | |
3324 | MAX_NAMED_LIST, s+13, US"local part list"); | |
3325 | ||
3326 | else | |
3327 | (void) readconf_handle_option(s, optionlist_config, optionlist_config_size, | |
3328 | NULL, US"main option \"%s\" unknown"); | |
3329 | } | |
3330 | ||
3331 | ||
3332 | /* If local_sender_retain is set, local_from_check must be unset. */ | |
3333 | ||
3334 | if (local_sender_retain && local_from_check) | |
3335 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "both local_from_check and " | |
3336 | "local_sender_retain are set; this combination is not allowed"); | |
3337 | ||
3338 | /* If the timezone string is empty, set it to NULL, implying no TZ variable | |
3339 | wanted. */ | |
3340 | ||
3341 | if (timezone_string != NULL && *timezone_string == 0) timezone_string = NULL; | |
3342 | ||
944a9c55 PH |
3343 | /* The max retry interval must not be greater than 24 hours. */ |
3344 | ||
3345 | if (retry_interval_max > 24*60*60) retry_interval_max = 24*60*60; | |
3346 | ||
059ec3d9 PH |
3347 | /* remote_max_parallel must be > 0 */ |
3348 | ||
3349 | if (remote_max_parallel <= 0) remote_max_parallel = 1; | |
3350 | ||
6a3f1455 PH |
3351 | /* Save the configured setting of freeze_tell, so we can re-instate it at the |
3352 | start of a new SMTP message. */ | |
3353 | ||
3354 | freeze_tell_config = freeze_tell; | |
3355 | ||
059ec3d9 PH |
3356 | /* The primary host name may be required for expansion of spool_directory |
3357 | and log_file_path, so make sure it is set asap. It is obtained from uname(), | |
3358 | but if that yields an unqualified value, make a FQDN by using gethostbyname to | |
3359 | canonize it. Some people like upper case letters in their host names, so we | |
3360 | don't force the case. */ | |
3361 | ||
3362 | if (primary_hostname == NULL) | |
3363 | { | |
55414b25 | 3364 | const uschar *hostname; |
059ec3d9 PH |
3365 | struct utsname uts; |
3366 | if (uname(&uts) < 0) | |
3367 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "uname() failed to yield host name"); | |
3368 | hostname = US uts.nodename; | |
3369 | ||
3370 | if (Ustrchr(hostname, '.') == NULL) | |
3371 | { | |
3372 | int af = AF_INET; | |
3373 | struct hostent *hostdata; | |
3374 | ||
3375 | #if HAVE_IPV6 | |
7e66e54d | 3376 | if (!disable_ipv6 && (dns_ipv4_lookup == NULL || |
55414b25 JH |
3377 | match_isinlist(hostname, CUSS &dns_ipv4_lookup, 0, NULL, NULL, |
3378 | MCL_DOMAIN, TRUE, NULL) != OK)) | |
059ec3d9 PH |
3379 | af = AF_INET6; |
3380 | #else | |
3381 | af = AF_INET; | |
3382 | #endif | |
3383 | ||
3384 | for (;;) | |
3385 | { | |
3386 | #if HAVE_IPV6 | |
3387 | #if HAVE_GETIPNODEBYNAME | |
3388 | int error_num; | |
3389 | hostdata = getipnodebyname(CS hostname, af, 0, &error_num); | |
3390 | #else | |
3391 | hostdata = gethostbyname2(CS hostname, af); | |
3392 | #endif | |
3393 | #else | |
3394 | hostdata = gethostbyname(CS hostname); | |
3395 | #endif | |
3396 | ||
3397 | if (hostdata != NULL) | |
3398 | { | |
3399 | hostname = US hostdata->h_name; | |
3400 | break; | |
3401 | } | |
3402 | ||
3403 | if (af == AF_INET) break; | |
3404 | af = AF_INET; | |
3405 | } | |
3406 | } | |
3407 | ||
3408 | primary_hostname = string_copy(hostname); | |
3409 | } | |
3410 | ||
3411 | /* Set up default value for smtp_active_hostname */ | |
3412 | ||
3413 | smtp_active_hostname = primary_hostname; | |
3414 | ||
3415 | /* If spool_directory wasn't set in the build-time configuration, it must have | |
3416 | got set above. Of course, writing to the log may not work if log_file_path is | |
3417 | not set, but it will at least get to syslog or somewhere, with any luck. */ | |
3418 | ||
3419 | if (*spool_directory == 0) | |
3420 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "spool_directory undefined: cannot " | |
3421 | "proceed"); | |
3422 | ||
3423 | /* Expand the spool directory name; it may, for example, contain the primary | |
3424 | host name. Same comment about failure. */ | |
3425 | ||
3426 | s = expand_string(spool_directory); | |
3427 | if (s == NULL) | |
3428 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to expand spool_directory " | |
3429 | "\"%s\": %s", spool_directory, expand_string_message); | |
3430 | spool_directory = s; | |
3431 | ||
3432 | /* Expand log_file_path, which must contain "%s" in any component that isn't | |
f1e5fef5 PP |
3433 | the null string or "syslog". It is also allowed to contain one instance of %D |
3434 | or %M. However, it must NOT contain % followed by anything else. */ | |
059ec3d9 PH |
3435 | |
3436 | if (*log_file_path != 0) | |
3437 | { | |
55414b25 | 3438 | const uschar *ss, *sss; |
059ec3d9 PH |
3439 | int sep = ':'; /* Fixed for log file path */ |
3440 | s = expand_string(log_file_path); | |
3441 | if (s == NULL) | |
3442 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to expand log_file_path " | |
3443 | "\"%s\": %s", log_file_path, expand_string_message); | |
3444 | ||
3445 | ss = s; | |
3446 | while ((sss = string_nextinlist(&ss,&sep,big_buffer,big_buffer_size)) != NULL) | |
3447 | { | |
3448 | uschar *t; | |
3449 | if (sss[0] == 0 || Ustrcmp(sss, "syslog") == 0) continue; | |
3450 | t = Ustrstr(sss, "%s"); | |
3451 | if (t == NULL) | |
3452 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "log_file_path \"%s\" does not " | |
3453 | "contain \"%%s\"", sss); | |
3454 | *t = 'X'; | |
3455 | t = Ustrchr(sss, '%'); | |
3456 | if (t != NULL) | |
3457 | { | |
f1e5fef5 | 3458 | if ((t[1] != 'D' && t[1] != 'M') || Ustrchr(t+2, '%') != NULL) |
059ec3d9 PH |
3459 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "log_file_path \"%s\" contains " |
3460 | "unexpected \"%%\" character", s); | |
3461 | } | |
3462 | } | |
3463 | ||
3464 | log_file_path = s; | |
3465 | } | |
3466 | ||
3467 | /* Interpret syslog_facility into an integer argument for 'ident' param to | |
3468 | openlog(). Default is LOG_MAIL set in globals.c. Allow the user to omit the | |
3469 | leading "log_". */ | |
3470 | ||
5bfe3b35 | 3471 | if (syslog_facility_str) |
059ec3d9 PH |
3472 | { |
3473 | int i; | |
3474 | uschar *s = syslog_facility_str; | |
3475 | ||
3476 | if ((Ustrlen(syslog_facility_str) >= 4) && | |
3477 | (strncmpic(syslog_facility_str, US"log_", 4) == 0)) | |
3478 | s += 4; | |
3479 | ||
3480 | for (i = 0; i < syslog_list_size; i++) | |
059ec3d9 PH |
3481 | if (strcmpic(s, syslog_list[i].name) == 0) |
3482 | { | |
3483 | syslog_facility = syslog_list[i].value; | |
3484 | break; | |
3485 | } | |
059ec3d9 PH |
3486 | |
3487 | if (i >= syslog_list_size) | |
059ec3d9 PH |
3488 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, |
3489 | "failed to interpret syslog_facility \"%s\"", syslog_facility_str); | |
059ec3d9 PH |
3490 | } |
3491 | ||
3492 | /* Expand pid_file_path */ | |
3493 | ||
3494 | if (*pid_file_path != 0) | |
3495 | { | |
5bfe3b35 | 3496 | if (!(s = expand_string(pid_file_path))) |
059ec3d9 PH |
3497 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to expand pid_file_path " |
3498 | "\"%s\": %s", pid_file_path, expand_string_message); | |
3499 | pid_file_path = s; | |
3500 | } | |
3501 | ||
921b12ca TF |
3502 | /* Set default value of process_log_path */ |
3503 | ||
5bfe3b35 | 3504 | if (!process_log_path || *process_log_path =='\0') |
921b12ca TF |
3505 | process_log_path = string_sprintf("%s/exim-process.info", spool_directory); |
3506 | ||
059ec3d9 PH |
3507 | /* Compile the regex for matching a UUCP-style "From_" line in an incoming |
3508 | message. */ | |
3509 | ||
3510 | regex_From = regex_must_compile(uucp_from_pattern, FALSE, TRUE); | |
3511 | ||
3512 | /* Unpick the SMTP rate limiting options, if set */ | |
3513 | ||
5bfe3b35 | 3514 | if (smtp_ratelimit_mail) |
059ec3d9 PH |
3515 | unpick_ratelimit(smtp_ratelimit_mail, &smtp_rlm_threshold, |
3516 | &smtp_rlm_base, &smtp_rlm_factor, &smtp_rlm_limit); | |
059ec3d9 | 3517 | |
5bfe3b35 | 3518 | if (smtp_ratelimit_rcpt) |
059ec3d9 PH |
3519 | unpick_ratelimit(smtp_ratelimit_rcpt, &smtp_rlr_threshold, |
3520 | &smtp_rlr_base, &smtp_rlr_factor, &smtp_rlr_limit); | |
059ec3d9 PH |
3521 | |
3522 | /* The qualify domains default to the primary host name */ | |
3523 | ||
5bfe3b35 | 3524 | if (!qualify_domain_sender) |
059ec3d9 | 3525 | qualify_domain_sender = primary_hostname; |
5bfe3b35 | 3526 | if (!qualify_domain_recipient) |
059ec3d9 PH |
3527 | qualify_domain_recipient = qualify_domain_sender; |
3528 | ||
3529 | /* Setting system_filter_user in the configuration sets the gid as well if a | |
3530 | name is given, but a numerical value does not. */ | |
3531 | ||
3532 | if (system_filter_uid_set && !system_filter_gid_set) | |
3533 | { | |
3534 | struct passwd *pw = getpwuid(system_filter_uid); | |
5bfe3b35 | 3535 | if (!pw) |
059ec3d9 PH |
3536 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, "Failed to look up uid %ld", |
3537 | (long int)system_filter_uid); | |
3538 | system_filter_gid = pw->pw_gid; | |
3539 | system_filter_gid_set = TRUE; | |
3540 | } | |
3541 | ||
3542 | /* If the errors_reply_to field is set, check that it is syntactically valid | |
3543 | and ensure it contains a domain. */ | |
3544 | ||
5bfe3b35 | 3545 | if (errors_reply_to) |
059ec3d9 PH |
3546 | { |
3547 | uschar *errmess; | |
3548 | int start, end, domain; | |
3549 | uschar *recipient = parse_extract_address(errors_reply_to, &errmess, | |
3550 | &start, &end, &domain, FALSE); | |
3551 | ||
5bfe3b35 | 3552 | if (!recipient) |
059ec3d9 PH |
3553 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, |
3554 | "error in errors_reply_to (%s): %s", errors_reply_to, errmess); | |
3555 | ||
3556 | if (domain == 0) | |
3557 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, | |
3558 | "errors_reply_to (%s) does not contain a domain", errors_reply_to); | |
3559 | } | |
3560 | ||
3561 | /* If smtp_accept_queue or smtp_accept_max_per_host is set, then | |
3562 | smtp_accept_max must also be set. */ | |
3563 | ||
3564 | if (smtp_accept_max == 0 && | |
3565 | (smtp_accept_queue > 0 || smtp_accept_max_per_host != NULL)) | |
3566 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, | |
3567 | "smtp_accept_max must be set if smtp_accept_queue or " | |
3568 | "smtp_accept_max_per_host is set"); | |
3569 | ||
3570 | /* Set up the host number if anything is specified. It is an expanded string | |
3571 | so that it can be computed from the host name, for example. We do this last | |
3572 | so as to ensure that everything else is set up before the expansion. */ | |
3573 | ||
5bfe3b35 | 3574 | if (host_number_string) |
059ec3d9 | 3575 | { |
ef840681 | 3576 | long int n; |
059ec3d9 PH |
3577 | uschar *end; |
3578 | uschar *s = expand_string(host_number_string); | |
5bfe3b35 JH |
3579 | |
3580 | if (!s) | |
ef840681 PP |
3581 | log_write(0, LOG_MAIN|LOG_PANIC_DIE, |
3582 | "failed to expand localhost_number \"%s\": %s", | |
3583 | host_number_string, expand_string_message); | |
3584 | n = Ustrtol(s, &end, 0); | |
059ec3d9 PH |
3585 | while (isspace(*end)) end++; |
3586 | if (*end != 0) | |
3587 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, | |
3588 | "localhost_number value is not a number: %s", s); | |
3589 | if (n > LOCALHOST_MAX) | |
3590 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, | |
3591 | "localhost_number is greater than the maximum allowed value (%d)", | |
3592 | LOCALHOST_MAX); | |
3593 | host_number = n; | |
3594 | } | |
3595 | ||
3596 | #ifdef SUPPORT_TLS | |
3597 | /* If tls_verify_hosts is set, tls_verify_certificates must also be set */ | |
3598 | ||
5bfe3b35 | 3599 | if ((tls_verify_hosts || tls_try_verify_hosts) && !tls_verify_certificates) |
059ec3d9 PH |
3600 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, |
3601 | "tls_%sverify_hosts is set, but tls_verify_certificates is not set", | |
5bfe3b35 | 3602 | tls_verify_hosts ? "" : "try_"); |
77bb000f | 3603 | |
3375e053 PP |
3604 | /* This also checks that the library linkage is working and we can call |
3605 | routines in it, so call even if tls_require_ciphers is unset */ | |
34e86e20 | 3606 | if (!tls_dropprivs_validate_require_cipher(nowarn)) |
3375e053 PP |
3607 | exit(1); |
3608 | ||
3609 | /* Magic number: at time of writing, 1024 has been the long-standing value | |
3610 | used by so many clients, and what Exim used to use always, that it makes | |
3611 | sense to just min-clamp this max-clamp at that. */ | |
3612 | if (tls_dh_max_bits < 1024) | |
3613 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, | |
3614 | "tls_dh_max_bits is too small, must be at least 1024 for interop"); | |
3615 | ||
77bb000f | 3616 | /* If openssl_options is set, validate it */ |
7006ee24 | 3617 | if (openssl_options) |
77bb000f PP |
3618 | { |
3619 | # ifdef USE_GNUTLS | |
3620 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, | |
a053d125 | 3621 | "openssl_options is set but we're using GnuTLS"); |
77bb000f PP |
3622 | # else |
3623 | long dummy; | |
7006ee24 | 3624 | if (!tls_openssl_options_parse(openssl_options, &dummy)) |
77bb000f | 3625 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, |
a053d125 | 3626 | "openssl_options parse error: %s", openssl_options); |
77bb000f PP |
3627 | # endif |
3628 | } | |
32d07012 | 3629 | #endif /*SUPPORT_TLS*/ |
bc3c7bb7 | 3630 | |
34e86e20 | 3631 | if (!nowarn && !keep_environment && environ && *environ) |
bc3c7bb7 | 3632 | log_write(0, LOG_MAIN, |
8e58ed80 HSHR |
3633 | "Warning: purging the environment.\n" |
3634 | " Suggested action: use keep_environment."); | |
059ec3d9 PH |
3635 | } |
3636 | ||
3637 | ||
3638 | ||
3639 | /************************************************* | |
3640 | * Initialize one driver * | |
3641 | *************************************************/ | |
3642 | ||
3643 | /* This is called once the driver's generic options, if any, have been read. | |
3644 | We can now find the driver, set up defaults for the private options, and | |
3645 | unset any "set" bits in the private options table (which might have been | |
3646 | set by another incarnation of the same driver). | |
3647 | ||
3648 | Arguments: | |
3649 | d pointer to driver instance block, with generic | |
3650 | options filled in | |
3651 | drivers_available vector of available drivers | |
3652 | size_of_info size of each block in drivers_available | |
3653 | class class of driver, for error message | |
3654 | ||
3655 | Returns: pointer to the driver info block | |
3656 | */ | |
3657 | ||
3658 | static driver_info * | |
3659 | init_driver(driver_instance *d, driver_info *drivers_available, | |
3660 | int size_of_info, uschar *class) | |
3661 | { | |
3662 | driver_info *dd; | |
3663 | ||
3664 | for (dd = drivers_available; dd->driver_name[0] != 0; | |
5903c6ff | 3665 | dd = (driver_info *)((US dd) + size_of_info)) |
059ec3d9 PH |
3666 | { |
3667 | if (Ustrcmp(d->driver_name, dd->driver_name) == 0) | |
3668 | { | |
3669 | int i; | |
3670 | int len = dd->options_len; | |
3671 | d->info = dd; | |
3672 | d->options_block = store_get(len); | |
3673 | memcpy(d->options_block, dd->options_block, len); | |
3674 | for (i = 0; i < *(dd->options_count); i++) | |
3675 | dd->options[i].type &= ~opt_set; | |
3676 | return dd; | |
3677 | } | |
3678 | } | |
3679 | ||
3680 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
3681 | "%s %s: cannot find %s driver \"%s\"", class, d->name, class, d->driver_name); | |
3682 | ||
3683 | return NULL; /* never obeyed */ | |
3684 | } | |
3685 | ||
3686 | ||
3687 | ||
3688 | ||
3689 | /************************************************* | |
3690 | * Initialize driver list * | |
3691 | *************************************************/ | |
3692 | ||
3693 | /* This function is called for routers, transports, and authentication | |
3694 | mechanisms. It reads the data from the current point in the configuration file | |
3695 | up to the end of the section, and sets up a chain of instance blocks according | |
3696 | to the file's contents. The file will already have been opened by a call to | |
3697 | readconf_main, and must be left open for subsequent reading of further data. | |
3698 | ||
3699 | Any errors cause a panic crash. Note that the blocks with names driver_info and | |
3700 | driver_instance must map the first portions of all the _info and _instance | |
3701 | blocks for this shared code to work. | |
3702 | ||
3703 | Arguments: | |
3704 | class "router", "transport", or "authenticator" | |
3705 | anchor &routers, &transports, &auths | |
3706 | drivers_available available drivers | |
3707 | size_of_info size of each info block | |
3708 | instance_default points to default data for an instance | |
3709 | instance_size size of instance block | |
3710 | driver_optionlist generic option list | |
3711 | driver_optionlist_count count of generic option list | |
3712 | ||
3713 | Returns: nothing | |
3714 | */ | |
3715 | ||
3716 | void | |
3717 | readconf_driver_init( | |
3718 | uschar *class, | |
3719 | driver_instance **anchor, | |
3720 | driver_info *drivers_available, | |
3721 | int size_of_info, | |
3722 | void *instance_default, | |
3723 | int instance_size, | |
3724 | optionlist *driver_optionlist, | |
3725 | int driver_optionlist_count) | |
3726 | { | |
3727 | driver_instance **p = anchor; | |
3728 | driver_instance *d = NULL; | |
3729 | uschar *buffer; | |
3730 | ||
059ec3d9 PH |
3731 | while ((buffer = get_config_line()) != NULL) |
3732 | { | |
3733 | uschar name[64]; | |
cf00dad6 | 3734 | uschar *s; |
059ec3d9 | 3735 | |
cf00dad6 PH |
3736 | /* Read the first name on the line and test for the start of a new driver. A |
3737 | macro definition indicates the end of the previous driver. If this isn't the | |
3738 | start of a new driver, the line will be re-read. */ | |
059ec3d9 | 3739 | |
cf00dad6 PH |
3740 | s = readconf_readname(name, sizeof(name), buffer); |
3741 | ||
3742 | /* Handle macro definition, first finishing off the initialization of the | |
3743 | previous driver, if any. */ | |
3744 | ||
3745 | if (isupper(*name) && *s == '=') | |
3746 | { | |
d4ff61d1 | 3747 | if (d) |
cf00dad6 | 3748 | { |
d4ff61d1 | 3749 | if (!d->driver_name) |
cf00dad6 PH |
3750 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, |
3751 | "no driver defined for %s \"%s\"", class, d->name); | |
3752 | (d->info->init)(d); | |
3753 | d = NULL; | |
3754 | } | |
9650d98a | 3755 | if (!macro_read_assignment(buffer)) exim_exit(EXIT_FAILURE, US""); |
cf00dad6 PH |
3756 | continue; |
3757 | } | |
059ec3d9 PH |
3758 | |
3759 | /* If the line starts with a name terminated by a colon, we are at the | |
3760 | start of the definition of a new driver. The rest of the line must be | |
3761 | blank. */ | |
3762 | ||
3763 | if (*s++ == ':') | |
3764 | { | |
3765 | int i; | |
3766 | ||
3767 | /* Finish off initializing the previous driver. */ | |
3768 | ||
d4ff61d1 | 3769 | if (d) |
059ec3d9 | 3770 | { |
d4ff61d1 | 3771 | if (!d->driver_name) |
059ec3d9 PH |
3772 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, |
3773 | "no driver defined for %s \"%s\"", class, d->name); | |
3774 | (d->info->init)(d); | |
3775 | } | |
3776 | ||
3777 | /* Check that we haven't already got a driver of this name */ | |
3778 | ||
d4ff61d1 | 3779 | for (d = *anchor; d; d = d->next) |
059ec3d9 PH |
3780 | if (Ustrcmp(name, d->name) == 0) |
3781 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, | |
3782 | "there are two %ss called \"%s\"", class, name); | |
3783 | ||
3784 | /* Set up a new driver instance data block on the chain, with | |
3785 | its default values installed. */ | |
3786 | ||
3787 | d = store_get(instance_size); | |
3788 | memcpy(d, instance_default, instance_size); | |
3789 | *p = d; | |
d4ff61d1 | 3790 | p = &d->next; |
059ec3d9 PH |
3791 | d->name = string_copy(name); |
3792 | ||
3793 | /* Clear out the "set" bits in the generic options */ | |
3794 | ||
3795 | for (i = 0; i < driver_optionlist_count; i++) | |
3796 | driver_optionlist[i].type &= ~opt_set; | |
3797 | ||
3798 | /* Check nothing more on this line, then do the next loop iteration. */ | |
3799 | ||
3800 | while (isspace(*s)) s++; | |
3801 | if (*s != 0) extra_chars_error(s, US"driver name ", name, US""); | |
3802 | continue; | |
3803 | } | |
3804 | ||
cf00dad6 PH |
3805 | /* Not the start of a new driver. Give an error if we have not set up a |
3806 | current driver yet. */ | |
059ec3d9 | 3807 | |
d4ff61d1 JH |
3808 | if (!d) |
3809 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "%s name missing", class); | |
059ec3d9 PH |
3810 | |
3811 | /* First look to see if this is a generic option; if it is "driver", | |
3812 | initialize the driver. If is it not a generic option, we can look for a | |
3813 | private option provided that the driver has been previously set up. */ | |
3814 | ||
3815 | if (readconf_handle_option(buffer, driver_optionlist, | |
3816 | driver_optionlist_count, d, NULL)) | |
3817 | { | |
d4ff61d1 | 3818 | if (!d->info && d->driver_name) |
059ec3d9 PH |
3819 | init_driver(d, drivers_available, size_of_info, class); |
3820 | } | |
3821 | ||
3822 | /* Handle private options - pass the generic block because some may | |
3823 | live therein. A flag with each option indicates if it is in the public | |
3824 | block. */ | |
3825 | ||
d4ff61d1 | 3826 | else if (d->info) |
059ec3d9 PH |
3827 | readconf_handle_option(buffer, d->info->options, |
3828 | *(d->info->options_count), d, US"option \"%s\" unknown"); | |
059ec3d9 PH |
3829 | |
3830 | /* The option is not generic and the driver name has not yet been given. */ | |
3831 | ||
3832 | else log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "option \"%s\" unknown " | |
3833 | "(\"driver\" must be specified before any private options)", name); | |
3834 | } | |
3835 | ||
3836 | /* Run the initialization function for the final driver. */ | |
3837 | ||
d4ff61d1 | 3838 | if (d) |
059ec3d9 | 3839 | { |
d4ff61d1 | 3840 | if (!d->driver_name) |
059ec3d9 PH |
3841 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, |
3842 | "no driver defined for %s \"%s\"", class, d->name); | |
3843 | (d->info->init)(d); | |
3844 | } | |
3845 | } | |
3846 | ||
3847 | ||
3848 | ||
3849 | /************************************************* | |
3850 | * Check driver dependency * | |
3851 | *************************************************/ | |
3852 | ||
3853 | /* This function is passed a driver instance and a string. It checks whether | |
3854 | any of the string options for the driver contains the given string as an | |
3855 | expansion variable. | |
3856 | ||
3857 | Arguments: | |
3858 | d points to a driver instance block | |
3859 | s the string to search for | |
3860 | ||
3861 | Returns: TRUE if a dependency is found | |
3862 | */ | |
3863 | ||
3864 | BOOL | |
3865 | readconf_depends(driver_instance *d, uschar *s) | |
3866 | { | |
3867 | int count = *(d->info->options_count); | |
3868 | optionlist *ol; | |
3869 | uschar *ss; | |
3870 | ||
3871 | for (ol = d->info->options; ol < d->info->options + count; ol++) | |
3872 | { | |
3873 | void *options_block; | |
3874 | uschar *value; | |
3875 | int type = ol->type & opt_mask; | |
3876 | if (type != opt_stringptr) continue; | |
3877 | options_block = ((ol->type & opt_public) == 0)? d->options_block : (void *)d; | |
5903c6ff | 3878 | value = *(uschar **)(US options_block + (long int)(ol->value)); |
059ec3d9 PH |
3879 | if (value != NULL && (ss = Ustrstr(value, s)) != NULL) |
3880 | { | |
3881 | if (ss <= value || (ss[-1] != '$' && ss[-1] != '{') || | |
3882 | isalnum(ss[Ustrlen(s)])) continue; | |
3883 | DEBUG(D_transport) debug_printf("driver %s: \"%s\" option depends on %s\n", | |
3884 | d->name, ol->name, s); | |
3885 | return TRUE; | |
3886 | } | |
3887 | } | |
3888 | ||
3889 | DEBUG(D_transport) debug_printf("driver %s does not depend on %s\n", d->name, s); | |
3890 | return FALSE; | |
3891 | } | |
3892 | ||
3893 | ||
3894 | ||
3895 | ||
3896 | /************************************************* | |
3897 | * Decode an error type for retries * | |
3898 | *************************************************/ | |
3899 | ||
3900 | /* This function is global because it is also called from the main | |
3901 | program when testing retry information. It decodes strings such as "quota_7d" | |
3902 | into numerical error codes. | |
3903 | ||
3904 | Arguments: | |
3905 | pp points to start of text | |
3906 | p points past end of text | |
3907 | basic_errno points to an int to receive the main error number | |
3908 | more_errno points to an int to receive the secondary error data | |
3909 | ||
3910 | Returns: NULL if decoded correctly; else points to error text | |
3911 | */ | |
3912 | ||
3913 | uschar * | |
bd4ece7d JH |
3914 | readconf_retry_error(const uschar *pp, const uschar *p, |
3915 | int *basic_errno, int *more_errno) | |
059ec3d9 PH |
3916 | { |
3917 | int len; | |
55414b25 | 3918 | const uschar *q = pp; |
059ec3d9 PH |
3919 | while (q < p && *q != '_') q++; |
3920 | len = q - pp; | |
3921 | ||
3922 | if (len == 5 && strncmpic(pp, US"quota", len) == 0) | |
3923 | { | |
3924 | *basic_errno = ERRNO_EXIMQUOTA; | |
3925 | if (q != p && (*more_errno = readconf_readtime(q+1, *p, FALSE)) < 0) | |
3926 | return US"bad time value"; | |
3927 | } | |
3928 | ||
3929 | else if (len == 7 && strncmpic(pp, US"refused", len) == 0) | |
3930 | { | |
3931 | *basic_errno = ECONNREFUSED; | |
3932 | if (q != p) | |
3933 | { | |
3934 | if (strncmpic(q+1, US"MX", p-q-1) == 0) *more_errno = 'M'; | |
3935 | else if (strncmpic(q+1, US"A", p-q-1) == 0) *more_errno = 'A'; | |
3936 | else return US"A or MX expected after \"refused\""; | |
3937 | } | |
3938 | } | |
3939 | ||
3940 | else if (len == 7 && strncmpic(pp, US"timeout", len) == 0) | |
3941 | { | |
3942 | *basic_errno = ETIMEDOUT; | |
3943 | if (q != p) | |
3944 | { | |
3945 | int i; | |
3946 | int xlen = p - q - 1; | |
55414b25 | 3947 | const uschar *x = q + 1; |
059ec3d9 PH |
3948 | |
3949 | static uschar *extras[] = | |
3950 | { US"A", US"MX", US"connect", US"connect_A", US"connect_MX" }; | |
3951 | static int values[] = | |
3952 | { 'A', 'M', RTEF_CTOUT, RTEF_CTOUT|'A', RTEF_CTOUT|'M' }; | |
3953 | ||
5903c6ff | 3954 | for (i = 0; i < nelem(extras); i++) |
059ec3d9 PH |
3955 | if (strncmpic(x, extras[i], xlen) == 0) |
3956 | { | |
3957 | *more_errno = values[i]; | |
3958 | break; | |
3959 | } | |
059ec3d9 | 3960 | |
5903c6ff | 3961 | if (i >= nelem(extras)) |
059ec3d9 | 3962 | if (strncmpic(x, US"DNS", xlen) == 0) |
059ec3d9 PH |
3963 | log_write(0, LOG_MAIN|LOG_PANIC, "\"timeout_dns\" is no longer " |
3964 | "available in retry rules (it has never worked) - treated as " | |
3965 | "\"timeout\""); | |
bd4ece7d JH |
3966 | else |
3967 | return US"\"A\", \"MX\", or \"connect\" expected after \"timeout\""; | |
059ec3d9 PH |
3968 | } |
3969 | } | |
3970 | ||
e97957bc PH |
3971 | else if (strncmpic(pp, US"mail_4", 6) == 0 || |
3972 | strncmpic(pp, US"rcpt_4", 6) == 0 || | |
3973 | strncmpic(pp, US"data_4", 6) == 0) | |
059ec3d9 PH |
3974 | { |
3975 | BOOL bad = FALSE; | |
3976 | int x = 255; /* means "any 4xx code" */ | |
3977 | if (p != pp + 8) bad = TRUE; else | |
3978 | { | |
3979 | int a = pp[6], b = pp[7]; | |
3980 | if (isdigit(a)) | |
3981 | { | |
3982 | x = (a - '0') * 10; | |
3983 | if (isdigit(b)) x += b - '0'; | |
3984 | else if (b == 'x') x += 100; | |
3985 | else bad = TRUE; | |
3986 | } | |
3987 | else if (a != 'x' || b != 'x') bad = TRUE; | |
3988 | } | |
3989 | ||
e97957bc PH |
3990 | if (bad) |
3991 | return string_sprintf("%.4s_4 must be followed by xx, dx, or dd, where " | |
3992 | "x is literal and d is any digit", pp); | |
059ec3d9 | 3993 | |
bd4ece7d JH |
3994 | *basic_errno = *pp == 'm' ? ERRNO_MAIL4XX : |
3995 | *pp == 'r' ? ERRNO_RCPT4XX : ERRNO_DATA4XX; | |
059ec3d9 PH |
3996 | *more_errno = x << 8; |
3997 | } | |
3998 | ||
3999 | else if (len == 4 && strncmpic(pp, US"auth", len) == 0 && | |
4000 | strncmpic(q+1, US"failed", p-q-1) == 0) | |
059ec3d9 | 4001 | *basic_errno = ERRNO_AUTHFAIL; |
e97957bc | 4002 | |
48da4259 | 4003 | else if (strncmpic(pp, US"lost_connection", p - pp) == 0) |
e97957bc PH |
4004 | *basic_errno = ERRNO_SMTPCLOSED; |
4005 | ||
48da4259 | 4006 | else if (strncmpic(pp, US"tls_required", p - pp) == 0) |
e97957bc | 4007 | *basic_errno = ERRNO_TLSREQUIRED; |
059ec3d9 | 4008 | |
bd4ece7d JH |
4009 | else if (strncmpic(pp, US"lookup", p - pp) == 0) |
4010 | *basic_errno = ERRNO_UNKNOWNHOST; | |
4011 | ||
059ec3d9 | 4012 | else if (len != 1 || Ustrncmp(pp, "*", 1) != 0) |
ef840681 | 4013 | return string_sprintf("unknown or malformed retry error \"%.*s\"", (int) (p-pp), pp); |
059ec3d9 PH |
4014 | |
4015 | return NULL; | |
4016 | } | |
4017 | ||
4018 | ||
4019 | ||
4020 | ||
4021 | /************************************************* | |
4022 | * Read retry information * | |
4023 | *************************************************/ | |
4024 | ||
4025 | /* Each line of retry information contains: | |
4026 | ||
4027 | . A domain name pattern or an address pattern; | |
4028 | ||
4029 | . An error name, possibly with additional data, or *; | |
4030 | ||
4031 | . An optional sequence of retry items, each consisting of an identifying | |
4032 | letter, a cutoff time, and optional parameters. | |
4033 | ||
4034 | All this is decoded and placed into a control block. */ | |
4035 | ||
4036 | ||
4037 | /* Subroutine to read an argument, preceded by a comma and terminated | |
4038 | by comma, semicolon, whitespace, or newline. The types are: 0 = time value, | |
4039 | 1 = fixed point number (returned *1000). | |
4040 | ||
4041 | Arguments: | |
4042 | paddr pointer to pointer to current character; updated | |
4043 | type 0 => read a time; 1 => read a fixed point number | |
4044 | ||
4045 | Returns: time in seconds or fixed point number * 1000 | |
4046 | */ | |
4047 | ||
4048 | static int | |
55414b25 | 4049 | retry_arg(const uschar **paddr, int type) |
059ec3d9 | 4050 | { |
55414b25 JH |
4051 | const uschar *p = *paddr; |
4052 | const uschar *pp; | |
059ec3d9 PH |
4053 | |
4054 | if (*p++ != ',') log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "comma expected"); | |
4055 | ||
4056 | while (isspace(*p)) p++; | |
4057 | pp = p; | |
4058 | while (isalnum(*p) || (type == 1 && *p == '.')) p++; | |
4059 | ||
4060 | if (*p != 0 && !isspace(*p) && *p != ',' && *p != ';') | |
4061 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "comma or semicolon expected"); | |
4062 | ||
4063 | *paddr = p; | |
4064 | switch (type) | |
4065 | { | |
bd4ece7d JH |
4066 | case 0: return readconf_readtime(pp, *p, FALSE); |
4067 | case 1: return readconf_readfixed(pp, *p); | |
059ec3d9 PH |
4068 | } |
4069 | return 0; /* Keep picky compilers happy */ | |
4070 | } | |
4071 | ||
4072 | /* The function proper */ | |
4073 | ||
4074 | void | |
4075 | readconf_retries(void) | |
4076 | { | |
4077 | retry_config **chain = &retries; | |
4078 | retry_config *next; | |
55414b25 | 4079 | const uschar *p; |
059ec3d9 | 4080 | |
bd4ece7d | 4081 | while ((p = get_config_line())) |
059ec3d9 PH |
4082 | { |
4083 | retry_rule **rchain; | |
55414b25 JH |
4084 | const uschar *pp; |
4085 | uschar *error; | |
059ec3d9 PH |
4086 | |
4087 | next = store_get(sizeof(retry_config)); | |
4088 | next->next = NULL; | |
4089 | *chain = next; | |
4090 | chain = &(next->next); | |
4091 | next->basic_errno = next->more_errno = 0; | |
4092 | next->senders = NULL; | |
4093 | next->rules = NULL; | |
4094 | rchain = &(next->rules); | |
4095 | ||
4096 | next->pattern = string_dequote(&p); | |
4097 | while (isspace(*p)) p++; | |
4098 | pp = p; | |
4099 | while (mac_isgraph(*p)) p++; | |
4100 | if (p - pp <= 0) log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
41eff010 | 4101 | "missing error type in retry rule"); |
059ec3d9 PH |
4102 | |
4103 | /* Test error names for things we understand. */ | |
4104 | ||
bd4ece7d JH |
4105 | if ((error = readconf_retry_error(pp, p, &next->basic_errno, |
4106 | &next->more_errno))) | |
059ec3d9 PH |
4107 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "%s", error); |
4108 | ||
4109 | /* There may be an optional address list of senders to be used as another | |
4110 | constraint on the rule. This was added later, so the syntax is a bit of a | |
4111 | fudge. Anything that is not a retry rule starting "F," or "G," is treated as | |
4112 | an address list. */ | |
4113 | ||
4114 | while (isspace(*p)) p++; | |
4115 | if (Ustrncmp(p, "senders", 7) == 0) | |
4116 | { | |
4117 | p += 7; | |
4118 | while (isspace(*p)) p++; | |
4119 | if (*p++ != '=') log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
4120 | "\"=\" expected after \"senders\" in retry rule"); | |
4121 | while (isspace(*p)) p++; | |
4122 | next->senders = string_dequote(&p); | |
4123 | } | |
4124 | ||
4125 | /* Now the retry rules. Keep the maximum timeout encountered. */ | |
4126 | ||
4127 | while (isspace(*p)) p++; | |
4128 | ||
4129 | while (*p != 0) | |
4130 | { | |
4131 | retry_rule *rule = store_get(sizeof(retry_rule)); | |
4132 | *rchain = rule; | |
4133 | rchain = &(rule->next); | |
4134 | rule->next = NULL; | |
4135 | rule->rule = toupper(*p++); | |
4136 | rule->timeout = retry_arg(&p, 0); | |
4137 | if (rule->timeout > retry_maximum_timeout) | |
4138 | retry_maximum_timeout = rule->timeout; | |
4139 | ||
4140 | switch (rule->rule) | |
4141 | { | |
4142 | case 'F': /* Fixed interval */ | |
bd4ece7d JH |
4143 | rule->p1 = retry_arg(&p, 0); |
4144 | break; | |
059ec3d9 PH |
4145 | |
4146 | case 'G': /* Geometrically increasing intervals */ | |
6af56900 | 4147 | case 'H': /* Ditto, but with randomness */ |
bd4ece7d JH |
4148 | rule->p1 = retry_arg(&p, 0); |
4149 | rule->p2 = retry_arg(&p, 1); | |
4150 | break; | |
059ec3d9 PH |
4151 | |
4152 | default: | |
bd4ece7d JH |
4153 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "unknown retry rule letter"); |
4154 | break; | |
059ec3d9 PH |
4155 | } |
4156 | ||
4157 | if (rule->timeout <= 0 || rule->p1 <= 0 || | |
6af56900 | 4158 | (rule->rule != 'F' && rule->p2 < 1000)) |
059ec3d9 PH |
4159 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, |
4160 | "bad parameters for retry rule"); | |
4161 | ||
4162 | while (isspace(*p)) p++; | |
4163 | if (*p == ';') | |
4164 | { | |
4165 | p++; | |
4166 | while (isspace(*p)) p++; | |
4167 | } | |
4168 | else if (*p != 0) | |
4169 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "semicolon expected"); | |
4170 | } | |
4171 | } | |
4172 | } | |
4173 | ||
4174 | ||
4175 | ||
4176 | /************************************************* | |
4177 | * Initialize authenticators * | |
4178 | *************************************************/ | |
4179 | ||
4180 | /* Read the authenticators section of the configuration file. | |
4181 | ||
4182 | Arguments: none | |
4183 | Returns: nothing | |
4184 | */ | |
4185 | ||
4186 | static void | |
4187 | auths_init(void) | |
4188 | { | |
4189 | auth_instance *au, *bu; | |
c0b9d3e8 | 4190 | |
059ec3d9 PH |
4191 | readconf_driver_init(US"authenticator", |
4192 | (driver_instance **)(&auths), /* chain anchor */ | |
4193 | (driver_info *)auths_available, /* available drivers */ | |
4194 | sizeof(auth_info), /* size of info block */ | |
4195 | &auth_defaults, /* default values for generic options */ | |
4196 | sizeof(auth_instance), /* size of instance block */ | |
4197 | optionlist_auths, /* generic options */ | |
4198 | optionlist_auths_size); | |
4199 | ||
d4ff61d1 | 4200 | for (au = auths; au; au = au->next) |
059ec3d9 | 4201 | { |
d4ff61d1 | 4202 | if (!au->public_name) |
059ec3d9 PH |
4203 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, "no public name specified for " |
4204 | "the %s authenticator", au->name); | |
d4ff61d1 JH |
4205 | |
4206 | for (bu = au->next; bu; bu = bu->next) | |
059ec3d9 | 4207 | if (strcmpic(au->public_name, bu->public_name) == 0) |
059ec3d9 PH |
4208 | if ((au->client && bu->client) || (au->server && bu->server)) |
4209 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG, "two %s authenticators " | |
4210 | "(%s and %s) have the same public name (%s)", | |
d4ff61d1 | 4211 | au->client ? US"client" : US"server", au->name, bu->name, |
059ec3d9 | 4212 | au->public_name); |
059ec3d9 PH |
4213 | } |
4214 | } | |
4215 | ||
4216 | ||
4217 | ||
4218 | ||
4219 | /************************************************* | |
4220 | * Read ACL information * | |
4221 | *************************************************/ | |
4222 | ||
4223 | /* If this run of Exim is not doing something that involves receiving a | |
4224 | message, we can just skip over the ACL information. No need to parse it. | |
4225 | ||
4226 | First, we have a function for acl_read() to call back to get the next line. We | |
4227 | need to remember the line we passed, because at the end it will contain the | |
4228 | name of the next ACL. */ | |
4229 | ||
4230 | static uschar *acl_line; | |
4231 | ||
4232 | static uschar * | |
4233 | acl_callback(void) | |
4234 | { | |
4235 | acl_line = get_config_line(); | |
4236 | return acl_line; | |
4237 | } | |
4238 | ||
4239 | ||
4240 | /* Now the main function: | |
4241 | ||
cb46fd2b | 4242 | Arguments: none |
059ec3d9 PH |
4243 | Returns: nothing |
4244 | */ | |
4245 | ||
4246 | static void | |
cb46fd2b | 4247 | readconf_acl(void) |
059ec3d9 PH |
4248 | { |
4249 | uschar *p; | |
4250 | ||
cf00dad6 PH |
4251 | /* Read each ACL and add it into the tree. Macro (re)definitions are allowed |
4252 | between ACLs. */ | |
059ec3d9 PH |
4253 | |
4254 | acl_line = get_config_line(); | |
4255 | ||
9650d98a | 4256 | while(acl_line) |
059ec3d9 PH |
4257 | { |
4258 | uschar name[64]; | |
4259 | tree_node *node; | |
4260 | uschar *error; | |
4261 | ||
4262 | p = readconf_readname(name, sizeof(name), acl_line); | |
cf00dad6 PH |
4263 | if (isupper(*name) && *p == '=') |
4264 | { | |
9650d98a | 4265 | if (!macro_read_assignment(acl_line)) exim_exit(EXIT_FAILURE, US""); |
cf00dad6 PH |
4266 | acl_line = get_config_line(); |
4267 | continue; | |
4268 | } | |
4269 | ||
4270 | if (*p != ':' || name[0] == 0) | |
4271 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "missing or malformed ACL name"); | |
059ec3d9 PH |
4272 | |
4273 | node = store_get(sizeof(tree_node) + Ustrlen(name)); | |
4274 | Ustrcpy(node->name, name); | |
4275 | if (!tree_insertnode(&acl_anchor, node)) | |
4276 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
4277 | "there are two ACLs called \"%s\"", name); | |
4278 | ||
4279 | node->data.ptr = acl_read(acl_callback, &error); | |
4280 | ||
4281 | if (node->data.ptr == NULL && error != NULL) | |
4282 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "error in ACL: %s", error); | |
4283 | } | |
4284 | } | |
4285 | ||
4286 | ||
4287 | ||
4288 | /************************************************* | |
4289 | * Read configuration for local_scan() * | |
4290 | *************************************************/ | |
4291 | ||
4292 | /* This function is called after "begin local_scan" is encountered in the | |
4293 | configuration file. If the local_scan() function allows for configuration | |
4294 | options, we can process them. Otherwise, we expire in a panic. | |
4295 | ||
4296 | Arguments: none | |
4297 | Returns: nothing | |
4298 | */ | |
4299 | ||
4300 | static void | |
4301 | local_scan_init(void) | |
4302 | { | |
4303 | #ifndef LOCAL_SCAN_HAS_OPTIONS | |
4304 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, "local_scan() options not supported: " | |
4305 | "(LOCAL_SCAN_HAS_OPTIONS not defined in Local/Makefile)"); | |
4306 | #else | |
4307 | ||
4308 | uschar *p; | |
9650d98a | 4309 | while ((p = get_config_line())) |
059ec3d9 PH |
4310 | { |
4311 | (void) readconf_handle_option(p, local_scan_options, local_scan_options_count, | |
4312 | NULL, US"local_scan option \"%s\" unknown"); | |
4313 | } | |
4314 | #endif | |
4315 | } | |
4316 | ||
4317 | ||
4318 | ||
4319 | /************************************************* | |
4320 | * Read rest of configuration (after main) * | |
4321 | *************************************************/ | |
4322 | ||
4323 | /* This function reads the rest of the runtime configuration, after the main | |
4324 | configuration. It is called only when actually needed. Each subsequent section | |
4325 | of the configuration starts with a line of the form | |
4326 | ||
4327 | begin name | |
4328 | ||
4329 | where the name is "routers", "transports", etc. A section is terminated by | |
4330 | hitting the next "begin" line, and the next name is left in next_section. | |
4331 | Because it may confuse people as to whether the names are singular or plural, | |
4332 | we add "s" if it's missing. There is always enough room in next_section for | |
4333 | this. This function is basically just a switch. | |
4334 | ||
351a5bc8 | 4335 | Arguments: none |
059ec3d9 PH |
4336 | Returns: nothing |
4337 | */ | |
4338 | ||
4339 | static uschar *section_list[] = { | |
4340 | US"acls", | |
4341 | US"authenticators", | |
4342 | US"local_scans", | |
4343 | US"retrys", | |
4344 | US"rewrites", | |
4345 | US"routers", | |
4346 | US"transports"}; | |
4347 | ||
4348 | void | |
351a5bc8 | 4349 | readconf_rest(void) |
059ec3d9 PH |
4350 | { |
4351 | int had = 0; | |
4352 | ||
4353 | while(next_section[0] != 0) | |
4354 | { | |
4355 | int bit; | |
4356 | int first = 0; | |
5903c6ff | 4357 | int last = nelem(section_list); |
059ec3d9 PH |
4358 | int mid = last/2; |
4359 | int n = Ustrlen(next_section); | |
4360 | ||
4361 | if (tolower(next_section[n-1]) != 's') Ustrcpy(next_section+n, "s"); | |
4362 | ||
4363 | for (;;) | |
4364 | { | |
4365 | int c = strcmpic(next_section, section_list[mid]); | |
4366 | if (c == 0) break; | |
4367 | if (c > 0) first = mid + 1; else last = mid; | |
4368 | if (first >= last) | |
4369 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
4370 | "\"%.*s\" is not a known configuration section name", n, next_section); | |
4371 | mid = (last + first)/2; | |
4372 | } | |
4373 | ||
4374 | bit = 1 << mid; | |
4375 | if (((had ^= bit) & bit) == 0) | |
4376 | log_write(0, LOG_PANIC_DIE|LOG_CONFIG_IN, | |
4377 | "\"%.*s\" section is repeated in the configuration file", n, | |
4378 | next_section); | |
4379 | ||
4380 | switch(mid) | |
4381 | { | |
cb46fd2b | 4382 | case 0: readconf_acl(); break; |
059ec3d9 PH |
4383 | case 1: auths_init(); break; |
4384 | case 2: local_scan_init(); break; | |
4385 | case 3: readconf_retries(); break; | |
4386 | case 4: readconf_rewrites(); break; | |
4387 | case 5: route_init(); break; | |
4388 | case 6: transport_init(); break; | |
4389 | } | |
4390 | } | |
4391 | ||
f1e894f3 | 4392 | (void)fclose(config_file); |
059ec3d9 PH |
4393 | } |
4394 | ||
bf3c2c6b HSHR |
4395 | /* Init the storage for the pre-parsed config lines */ |
4396 | void | |
4397 | readconf_save_config(const uschar *s) | |
4398 | { | |
9650d98a JH |
4399 | save_config_line(string_sprintf("# Exim Configuration (%s)", |
4400 | running_in_test_harness ? US"X" : s)); | |
bf3c2c6b HSHR |
4401 | } |
4402 | ||
4403 | static void | |
4404 | save_config_position(const uschar *file, int line) | |
4405 | { | |
9650d98a | 4406 | save_config_line(string_sprintf("# %d \"%s\"", line, file)); |
bf3c2c6b HSHR |
4407 | } |
4408 | ||
4409 | /* Append a pre-parsed logical line to the config lines store, | |
4410 | this operates on a global (static) list that holds all the pre-parsed | |
ce133ea6 HSHR |
4411 | config lines, we do no further processing here, output formatting and |
4412 | honouring of <hide> or macros will be done during output */ | |
cab0c277 | 4413 | |
bf3c2c6b HSHR |
4414 | static void |
4415 | save_config_line(const uschar* line) | |
4416 | { | |
4417 | static config_line_item *current; | |
4418 | config_line_item *next; | |
4419 | ||
4420 | next = (config_line_item*) store_get(sizeof(config_line_item)); | |
4421 | next->line = string_copy(line); | |
4422 | next->next = NULL; | |
4423 | ||
4424 | if (!config_lines) config_lines = next; | |
4425 | else current->next = next; | |
4426 | ||
4427 | current = next; | |
4428 | } | |
4429 | ||
4430 | /* List the parsed config lines, care about nice formatting and | |
4431 | hide the <hide> values unless we're the admin user */ | |
4432 | void | |
3257ed4b | 4433 | print_config(BOOL admin, BOOL terse) |
bf3c2c6b HSHR |
4434 | { |
4435 | config_line_item *i; | |
3257ed4b | 4436 | const int TS = terse ? 0 : 2; |
bf3c2c6b HSHR |
4437 | int indent = 0; |
4438 | ||
4439 | for (i = config_lines; i; i = i->next) | |
4440 | { | |
30ef6099 | 4441 | uschar *current; |
bf3c2c6b HSHR |
4442 | uschar *p; |
4443 | ||
4444 | /* skip over to the first non-space */ | |
4445 | for (current = i->line; *current && isspace(*current); ++current) | |
4446 | ; | |
4447 | ||
4448 | if (*current == '\0') | |
4449 | continue; | |
4450 | ||
30ef6099 HSHR |
4451 | /* Collapse runs of spaces. We stop this if we encounter one of the |
4452 | * following characters: "'$, as this may indicate careful formatting */ | |
4453 | for (p = current; *p; ++p) | |
4454 | { | |
4455 | uschar *next; | |
4456 | if (!isspace(*p)) continue; | |
4457 | if (*p != ' ') *p = ' '; | |
4458 | ||
4459 | for (next = p; isspace(*next); ++next) | |
4460 | ; | |
4461 | ||
4462 | if (next - p > 1) | |
3c51463e | 4463 | memmove(p+1, next, Ustrlen(next)+1); |
30ef6099 HSHR |
4464 | |
4465 | if (*next == '"' || *next == '\'' || *next == '$') | |
4466 | break; | |
4467 | } | |
bf3c2c6b HSHR |
4468 | |
4469 | /* # lines */ | |
4470 | if (current[0] == '#') | |
39755c16 | 4471 | puts(CCS current); |
bf3c2c6b HSHR |
4472 | |
4473 | /* begin lines are left aligned */ | |
39755c16 | 4474 | else if (Ustrncmp(current, "begin", 5) == 0 && isspace(current[5])) |
bf3c2c6b | 4475 | { |
3257ed4b | 4476 | if (!terse) puts(""); |
39755c16 | 4477 | puts(CCS current); |
bf3c2c6b | 4478 | indent = TS; |
bf3c2c6b HSHR |
4479 | } |
4480 | ||
4481 | /* router/acl/transport block names */ | |
f40d5be3 | 4482 | else if (current[Ustrlen(current)-1] == ':' && !Ustrchr(current, '=')) |
bf3c2c6b | 4483 | { |
3257ed4b HSHR |
4484 | if (!terse) puts(""); |
4485 | printf("%*s%s\n", TS, "", current); | |
bf3c2c6b | 4486 | indent = 2 * TS; |
bf3c2c6b HSHR |
4487 | } |
4488 | ||
30ef6099 | 4489 | /* hidden lines (all MACROS or lines prefixed with "hide") */ |
39755c16 JH |
4490 | else if ( !admin |
4491 | && ( isupper(*current) | |
4492 | || Ustrncmp(current, "hide", 4) == 0 && isspace(current[4]) | |
4493 | ) | |
4494 | ) | |
bf3c2c6b | 4495 | { |
f40d5be3 | 4496 | if ((p = Ustrchr(current, '='))) |
ce133ea6 HSHR |
4497 | { |
4498 | *p = '\0'; | |
30ef6099 | 4499 | printf("%*s%s= %s\n", indent, "", current, hidden); |
ce133ea6 HSHR |
4500 | } |
4501 | /* e.g.: hide split_spool_directory */ | |
39755c16 JH |
4502 | else |
4503 | printf("%*s\n", indent, hidden); | |
bf3c2c6b HSHR |
4504 | } |
4505 | ||
39755c16 JH |
4506 | else |
4507 | /* rest is public */ | |
4508 | printf("%*s%s\n", indent, "", current); | |
bf3c2c6b HSHR |
4509 | } |
4510 | } | |
4511 | ||
d185889f | 4512 | #endif /*!MACRO_PREDEF*/ |
76146973 JH |
4513 | /* vi: aw ai sw=2 |
4514 | */ | |
059ec3d9 | 4515 | /* End of readconf.c */ |