Commit | Line | Data |
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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 | ||
9 | /* Prototypes for functions that appear in various modules. Gathered together | |
10 | to avoid having a lot of tiddly little headers with only a couple of lines in | |
11 | them. However, some functions that are used (or not used) by utility programs | |
12 | are in in fact in separate headers. */ | |
b66fecb4 HSHR |
13 | #ifndef _FUNCTIONS_H_ |
14 | #define _FUNCTIONS_H_ | |
059ec3d9 PH |
15 | |
16 | ||
17 | #ifdef EXIM_PERL | |
acec9514 | 18 | extern gstring *call_perl_cat(gstring *, uschar **, uschar *, |
268d00ff | 19 | uschar **) WARN_UNUSED_RESULT; |
059ec3d9 PH |
20 | extern void cleanup_perl(void); |
21 | extern uschar *init_perl(uschar *); | |
22 | #endif | |
23 | ||
24 | ||
25 | #ifdef SUPPORT_TLS | |
a799883d PP |
26 | extern const char * |
27 | std_dh_prime_default(void); | |
28 | extern const char * | |
29 | std_dh_prime_named(const uschar *); | |
9d1c15ef | 30 | |
9e4dddbd | 31 | extern uschar * tls_cert_crl_uri(void *, uschar * mod); |
9d1c15ef | 32 | extern uschar * tls_cert_ext_by_oid(void *, uschar *, int); |
9e4dddbd JH |
33 | extern uschar * tls_cert_issuer(void *, uschar * mod); |
34 | extern uschar * tls_cert_not_before(void *, uschar * mod); | |
35 | extern uschar * tls_cert_not_after(void *, uschar * mod); | |
36 | extern uschar * tls_cert_ocsp_uri(void *, uschar * mod); | |
37 | extern uschar * tls_cert_serial_number(void *, uschar * mod); | |
38 | extern uschar * tls_cert_signature(void *, uschar * mod); | |
39 | extern uschar * tls_cert_signature_algorithm(void *, uschar * mod); | |
40 | extern uschar * tls_cert_subject(void *, uschar * mod); | |
41 | extern uschar * tls_cert_subject_altname(void *, uschar * mod); | |
42 | extern uschar * tls_cert_version(void *, uschar * mod); | |
9d1c15ef | 43 | |
59b87190 | 44 | extern uschar * tls_cert_der_b64(void * cert); |
6a8a60e0 JH |
45 | extern uschar * tls_cert_fprt_md5(void *); |
46 | extern uschar * tls_cert_fprt_sha1(void *); | |
9ef9101c | 47 | extern uschar * tls_cert_fprt_sha256(void *); |
6a8a60e0 | 48 | |
c05bdbd6 JH |
49 | extern BOOL tls_client_start(client_conn_ctx *, smtp_connect_args *, |
50 | void *, tls_support *, uschar **); | |
51 | ||
74f1a423 | 52 | extern void tls_close(void *, int); |
925ac8e4 | 53 | extern BOOL tls_could_read(void); |
9d1c15ef | 54 | extern int tls_export_cert(uschar *, size_t, void *); |
059ec3d9 PH |
55 | extern int tls_feof(void); |
56 | extern int tls_ferror(void); | |
790fbb71 | 57 | extern void tls_free_cert(void **); |
bd8fbe36 | 58 | extern int tls_getc(unsigned); |
0d81dabc | 59 | extern uschar *tls_getbuf(unsigned *); |
584e96c6 | 60 | extern void tls_get_cache(void); |
9d1c15ef | 61 | extern int tls_import_cert(const uschar *, void **); |
74f1a423 | 62 | extern int tls_read(void *, uschar *, size_t); |
cf0c6164 | 63 | extern int tls_server_start(const uschar *, uschar **); |
58eb016e | 64 | extern BOOL tls_smtp_buffered(void); |
059ec3d9 | 65 | extern int tls_ungetc(int); |
74f1a423 | 66 | extern int tls_write(void *, const uschar *, size_t, BOOL); |
3375e053 | 67 | extern uschar *tls_validate_require_cipher(void); |
36f12725 | 68 | extern void tls_version_report(FILE *); |
e51c7be2 | 69 | # ifndef USE_GNUTLS |
77bb000f | 70 | extern BOOL tls_openssl_options_parse(uschar *, long *); |
e51c7be2 | 71 | # endif |
55414b25 JH |
72 | extern uschar * tls_field_from_dn(uschar *, const uschar *); |
73 | extern BOOL tls_is_name_for_cert(const uschar *, void *); | |
0e66b3b6 | 74 | |
c0635b6d | 75 | # ifdef SUPPORT_DANE |
4b0fe319 | 76 | extern int tlsa_lookup(const host_item *, dns_answer *, BOOL); |
0e66b3b6 JH |
77 | # endif |
78 | ||
35aba663 | 79 | #endif /*SUPPORT_TLS*/ |
059ec3d9 PH |
80 | |
81 | ||
82 | /* Everything else... */ | |
83 | ||
84 | extern acl_block *acl_read(uschar *(*)(void), uschar **); | |
85 | extern int acl_check(int, uschar *, uschar *, uschar **, uschar **); | |
05caaeaa | 86 | extern int acl_eval(int, uschar *, uschar **, uschar **); |
333eea9c | 87 | |
38a0a95f PH |
88 | extern tree_node *acl_var_create(uschar *); |
89 | extern void acl_var_write(uschar *, uschar *, void *); | |
617d3932 JH |
90 | |
91 | #ifdef EXPERIMENTAL_ARC | |
92 | extern void *arc_ams_setup_sign_bodyhash(void); | |
93 | extern const uschar *arc_header_feed(gstring *, BOOL); | |
94 | extern gstring *arc_sign(const uschar *, gstring *, uschar **); | |
b3d9ebf5 | 95 | extern void arc_sign_init(void); |
617d3932 | 96 | extern const uschar *acl_verify_arc(void); |
9cffa436 | 97 | extern uschar * fn_arc_domains(void); |
617d3932 JH |
98 | #endif |
99 | ||
cf0812d5 | 100 | extern void assert_no_variables(void *, int, const char *, int); |
e1af7642 | 101 | extern int auth_call_pam(const uschar *, uschar **); |
059ec3d9 | 102 | extern int auth_call_pwcheck(uschar *, uschar **); |
93a6fce2 JH |
103 | extern int auth_call_radius(const uschar *, uschar **); |
104 | extern int auth_call_saslauthd(const uschar *, const uschar *, | |
105 | const uschar *, const uschar *, uschar **); | |
16ff981e | 106 | extern int auth_check_serv_cond(auth_instance *); |
44bbabb5 | 107 | extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int); |
37942ad8 JH |
108 | extern int auth_client_item(void *, auth_instance *, const uschar **, |
109 | unsigned, int, uschar *, int); | |
44bbabb5 | 110 | |
e1d04f48 | 111 | |
1f20760b | 112 | extern int auth_get_data(uschar **, const uschar *, int); |
059ec3d9 | 113 | extern int auth_get_no64_data(uschar **, uschar *); |
8238bc7b | 114 | extern int auth_prompt(const uschar *); |
37942ad8 | 115 | extern int auth_read_input(const uschar *); |
adf73d37 | 116 | extern void auth_show_supported(FILE *); |
059ec3d9 PH |
117 | extern uschar *auth_xtextencode(uschar *, int); |
118 | extern int auth_xtextdecode(uschar *, uschar **); | |
119 | ||
c9cf9ac4 JH |
120 | #ifdef EXPERIMENTAL_ARC |
121 | extern gstring *authres_arc(gstring *); | |
dfbcb5ac JH |
122 | #endif |
123 | #ifndef DISABLE_DKIM | |
124 | extern gstring *authres_dkim(gstring *); | |
125 | #endif | |
c9cf9ac4 JH |
126 | #ifdef EXPERIMENTAL_DMARC |
127 | extern gstring *authres_dmarc(gstring *); | |
128 | #endif | |
129 | extern gstring *authres_smtpauth(gstring *); | |
130 | #ifdef SUPPORT_SPF | |
131 | extern gstring *authres_spf(gstring *); | |
617d3932 | 132 | #endif |
dfbcb5ac | 133 | |
1f20760b | 134 | extern uschar *b64encode(const uschar *, int); |
35cf75e9 | 135 | extern int b64decode(const uschar *, uschar **); |
bd8fbe36 | 136 | extern int bdat_getc(unsigned); |
0d81dabc | 137 | extern uschar *bdat_getbuf(unsigned *); |
f6f4a58d | 138 | extern int bdat_ungetc(int); |
1ebe15c3 JH |
139 | extern void bdat_flush_data(void); |
140 | ||
6c6d6e48 TF |
141 | extern void bits_clear(unsigned int *, size_t, int *); |
142 | extern void bits_set(unsigned int *, size_t, int *); | |
143 | ||
57cc2785 | 144 | extern void cancel_cutthrough_connection(BOOL, const uschar *); |
55414b25 | 145 | extern int check_host(void *, const uschar *, const uschar **, uschar **); |
059ec3d9 | 146 | extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...); |
55414b25 JH |
147 | extern pid_t child_open_uid(const uschar **, const uschar **, int, |
148 | uid_t *, gid_t *, int *, int *, uschar *, BOOL); | |
bc3c7bb7 | 149 | extern BOOL cleanup_environment(void); |
6851a9c5 JH |
150 | extern void cutthrough_data_puts(uschar *, int); |
151 | extern void cutthrough_data_put_nl(void); | |
e4bdf652 JH |
152 | extern uschar *cutthrough_finaldot(void); |
153 | extern BOOL cutthrough_flush_send(void); | |
154 | extern BOOL cutthrough_headers_send(void); | |
155 | extern BOOL cutthrough_predata(void); | |
57cc2785 | 156 | extern void release_cutthrough_connection(const uschar *); |
059ec3d9 PH |
157 | |
158 | extern void daemon_go(void); | |
6a8f9482 TK |
159 | |
160 | #ifdef EXPERIMENTAL_DCC | |
161 | extern int dcc_process(uschar **); | |
162 | #endif | |
163 | ||
ed7f7860 | 164 | extern void debug_logging_activate(uschar *, uschar *); |
b0d68adc | 165 | extern void debug_logging_stop(void); |
55414b25 | 166 | extern void debug_print_argv(const uschar **); |
059ec3d9 | 167 | extern void debug_print_ids(uschar *); |
e1d04f48 | 168 | extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2); |
059ec3d9 PH |
169 | extern void debug_print_string(uschar *); |
170 | extern void debug_print_tree(tree_node *); | |
398f9af3 | 171 | extern void debug_vprintf(int, const char *, va_list); |
6c6d6e48 TF |
172 | extern void decode_bits(unsigned int *, size_t, int *, |
173 | uschar *, bit_table *, int, uschar *, int); | |
059ec3d9 | 174 | extern address_item *deliver_make_addr(uschar *, BOOL); |
476be7e2 | 175 | extern void deliver_init(void); |
817d9f57 | 176 | extern void delivery_log(int, address_item *, int, uschar *); |
059ec3d9 | 177 | extern int deliver_message(uschar *, BOOL, BOOL); |
e0df1c83 | 178 | extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2); |
059ec3d9 PH |
179 | extern void deliver_set_expansions(address_item *); |
180 | extern int deliver_split_address(address_item *); | |
181 | extern void deliver_succeeded(address_item *); | |
a39bd74d JB |
182 | |
183 | extern uschar *deliver_get_sender_address (uschar *id); | |
57cc2785 | 184 | extern void delivery_re_exec(int); |
a39bd74d | 185 | |
1ba28e2b | 186 | extern BOOL directory_make(const uschar *, const uschar *, int, BOOL); |
80a47a2c | 187 | #ifndef DISABLE_DKIM |
617d3932 JH |
188 | extern uschar *dkim_exim_query_dns_txt(uschar *); |
189 | extern void dkim_exim_sign_init(void); | |
190 | ||
42055a33 | 191 | extern BOOL dkim_transport_write_message(transport_ctx *, |
b9df1829 | 192 | struct ob_dkim *, const uschar ** errstr); |
f7572e5a | 193 | #endif |
059ec3d9 | 194 | extern dns_address *dns_address_from_rr(dns_answer *, dns_record *); |
476be7e2 | 195 | extern int dns_basic_lookup(dns_answer *, const uschar *, int); |
55414b25 | 196 | extern void dns_build_reverse(const uschar *, uschar *); |
8c51eead | 197 | extern void dns_init(BOOL, BOOL, BOOL); |
0539a19d | 198 | extern BOOL dns_is_aa(const dns_answer *); |
1dc92d5a | 199 | extern BOOL dns_is_secure(const dns_answer *); |
55414b25 | 200 | extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **); |
476be7e2 | 201 | extern void dns_pattern_init(void); |
55414b25 | 202 | extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **); |
dd708fd7 | 203 | extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int); |
059ec3d9 | 204 | extern uschar *dns_text_type(int); |
36a3ae5f | 205 | extern void dscp_list_to_stream(FILE *); |
9e4f5962 | 206 | extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *); |
059ec3d9 PH |
207 | |
208 | extern void enq_end(uschar *); | |
e8ae7214 | 209 | extern BOOL enq_start(uschar *, unsigned); |
0cbf2b82 | 210 | #ifndef DISABLE_EVENT |
55414b25 | 211 | extern uschar *event_raise(uschar *, const uschar *, uschar *); |
5ef5dd52 | 212 | extern void msg_event_raise(const uschar *, const address_item *); |
774ef2d7 | 213 | #endif |
b66fecb4 HSHR |
214 | |
215 | extern int exim_chown_failure(int, const uschar*, uid_t, gid_t); | |
37f3dc43 | 216 | extern const uschar * exim_errstr(int); |
9bfb7e1b | 217 | extern void exim_exit(int, const uschar *); |
059ec3d9 PH |
218 | extern void exim_nullstd(void); |
219 | extern void exim_setugid(uid_t, gid_t, BOOL, uschar *); | |
059ec3d9 | 220 | extern void exim_wait_tick(struct timeval *, int); |
9c695f6d JH |
221 | extern int exp_bool(address_item *addr, |
222 | uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue, | |
223 | uschar *svalue, BOOL *rvalue); | |
059ec3d9 | 224 | extern BOOL expand_check_condition(uschar *, uschar *, uschar *); |
617d3932 | 225 | extern uschar *expand_file_big_buffer(const uschar *); |
93a6fce2 JH |
226 | extern uschar *expand_string(uschar *); /* public, cannot make const */ |
227 | extern const uschar *expand_cstring(const uschar *); /* ... so use this one */ | |
f42deca9 | 228 | extern uschar *expand_hide_passwords(uschar * ); |
55414b25 | 229 | extern uschar *expand_string_copy(const uschar *); |
97d17305 | 230 | extern int_eximarith_t expand_string_integer(uschar *, BOOL); |
d9b2312b | 231 | extern void modify_variable(uschar *, void *); |
059ec3d9 | 232 | |
4e71661f JH |
233 | extern BOOL fd_ready(int, int); |
234 | ||
059ec3d9 PH |
235 | extern int filter_interpret(uschar *, int, address_item **, uschar **); |
236 | extern BOOL filter_personal(string_item *, BOOL); | |
f05da2e8 | 237 | extern BOOL filter_runtest(int, uschar *, BOOL, BOOL); |
059ec3d9 PH |
238 | extern BOOL filter_system_interpret(address_item **, uschar **); |
239 | ||
362145b5 JH |
240 | extern uschar * fn_hdrs_added(void); |
241 | ||
617d3932 JH |
242 | extern void gstring_reset_unused(gstring *); |
243 | ||
1ba28e2b | 244 | extern void header_add(int, const char *, ...); |
049782c0 | 245 | extern header_line *header_add_at_position_internal(BOOL, uschar *, BOOL, int, const char *, ...); |
059ec3d9 PH |
246 | extern int header_checkname(header_line *, BOOL); |
247 | extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...); | |
7cd1141b | 248 | extern int host_address_extract_port(uschar *); |
059ec3d9 | 249 | extern uschar *host_and_ident(BOOL); |
55414b25 JH |
250 | extern int host_aton(const uschar *, int *); |
251 | extern void host_build_hostlist(host_item **, const uschar *, BOOL); | |
252 | extern ip_address_item *host_build_ifacelist(const uschar *, uschar *); | |
059ec3d9 PH |
253 | extern void host_build_log_info(void); |
254 | extern void host_build_sender_fullhost(void); | |
a207d5dd | 255 | extern int host_find_byname(host_item *, const uschar *, int, |
1f155f8e | 256 | const uschar **, BOOL); |
55414b25 | 257 | extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *, |
7cd171b7 | 258 | uschar *, const dnssec_domains *, const uschar **, BOOL *); |
059ec3d9 | 259 | extern ip_address_item *host_find_interfaces(void); |
55414b25 | 260 | extern BOOL host_is_in_net(const uschar *, const uschar *, int); |
059ec3d9 | 261 | extern BOOL host_is_tls_on_connect_port(int); |
7cd1141b | 262 | extern int host_item_get_port(host_item *); |
059ec3d9 PH |
263 | extern void host_mask(int, int *, int); |
264 | extern int host_name_lookup(void); | |
6f0c9a4f | 265 | extern int host_nmtoa(int, int *, int, uschar *, int); |
059ec3d9 PH |
266 | extern uschar *host_ntoa(int, const void *, uschar *, int *); |
267 | extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *); | |
268 | ||
94431adb | 269 | extern uschar *imap_utf7_encode(uschar *, const uschar *, |
ed0512a1 JH |
270 | uschar, uschar *, uschar **); |
271 | ||
83e029d5 | 272 | extern void invert_address(uschar *, uschar *); |
7eb6c37c | 273 | extern int ip_addr(void *, int, const uschar *, int); |
059ec3d9 | 274 | extern int ip_bind(int, int, uschar *, int); |
0ab63f3d | 275 | extern int ip_connect(int, int, const uschar *, int, int, const blob *); |
b1f8e4f8 | 276 | extern int ip_connectedsocket(int, const uschar *, int, int, |
4a5cbaff | 277 | int, host_item *, uschar **, const blob *); |
13363eba | 278 | extern int ip_get_address_family(int); |
55414b25 | 279 | extern void ip_keepalive(int, const uschar *, BOOL); |
74f1a423 | 280 | extern int ip_recv(client_conn_ctx *, uschar *, int, int); |
059ec3d9 PH |
281 | extern int ip_socket(int, int); |
282 | ||
3e60dd41 JH |
283 | extern int ip_tcpsocket(const uschar *, uschar **, int); |
284 | extern int ip_unixsocket(const uschar *, uschar **); | |
285 | extern int ip_streamsocket(const uschar *, uschar **, int); | |
286 | ||
fc4a7f70 JH |
287 | extern int ipv6_nmtoa(int *, uschar *); |
288 | ||
921b12ca | 289 | extern uschar *local_part_quote(uschar *); |
4840604e | 290 | extern int log_create(uschar *); |
921b12ca | 291 | extern int log_create_as_exim(uschar *); |
059ec3d9 PH |
292 | extern void log_close_all(void); |
293 | ||
d185889f | 294 | extern macro_item * macro_create(const uschar *, const uschar *, BOOL); |
c246a1de JH |
295 | extern BOOL macro_read_assignment(uschar *); |
296 | extern uschar *macros_expand(int, int *, BOOL *); | |
9cd319d9 | 297 | extern void mainlog_close(void); |
8523533c | 298 | #ifdef WITH_CONTENT_SCAN |
0f0c8159 | 299 | extern int malware(const uschar *, int); |
dbc4b90d | 300 | extern int malware_in_file(uschar *); |
476be7e2 | 301 | extern void malware_init(void); |
c11d665d | 302 | extern void malware_show_supported(FILE *); |
8523533c | 303 | #endif |
55414b25 JH |
304 | extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **, |
305 | unsigned int *, int, int, const uschar **); | |
36d295f1 | 306 | extern int match_address_list_basic(const uschar *, const uschar **, int); |
55414b25 JH |
307 | extern int match_check_list(const uschar **, int, tree_node **, unsigned int **, |
308 | int(*)(void *, const uschar *, const uschar **, uschar **), void *, int, | |
309 | const uschar *, const uschar **); | |
310 | extern int match_isinlist(const uschar *, const uschar **, int, tree_node **, | |
311 | unsigned int *, int, BOOL, const uschar **); | |
312 | extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL, | |
313 | const uschar **); | |
059ec3d9 PH |
314 | extern void md5_end(md5 *, const uschar *, int, uschar *); |
315 | extern void md5_mid(md5 *, const uschar *); | |
316 | extern void md5_start(md5 *); | |
317 | extern void millisleep(int); | |
8523533c TK |
318 | #ifdef WITH_CONTENT_SCAN |
319 | struct mime_boundary_context; | |
54cdb463 PH |
320 | extern int mime_acl_check(uschar *acl, FILE *f, |
321 | struct mime_boundary_context *, uschar **, uschar **); | |
55414b25 | 322 | extern int mime_decode(const uschar **); |
f4d091fb | 323 | extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *); |
55414b25 | 324 | extern int mime_regex(const uschar **); |
f4d091fb | 325 | extern void mime_set_anomaly(int); |
8523533c | 326 | #endif |
059ec3d9 PH |
327 | extern uschar *moan_check_errorcopy(uschar *); |
328 | extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *, | |
329 | BOOL, uschar *); | |
e0df1c83 | 330 | extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3); |
5455f548 JH |
331 | extern BOOL moan_send_message(uschar *, int, error_block *eblock, |
332 | header_line *, FILE *, uschar *); | |
1ba28e2b | 333 | extern void moan_tell_someone(uschar *, address_item *, |
e0df1c83 | 334 | const uschar *, const char *, ...) PRINTF_FUNCTION(4,5); |
059ec3d9 | 335 | extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL); |
0e22dfd1 | 336 | extern void moan_write_from(FILE *); |
1ba28e2b | 337 | extern FILE *modefopen(const uschar *, const char *, mode_t); |
059ec3d9 | 338 | |
f9334a28 | 339 | extern int open_cutthrough_connection( address_item * addr ); |
e4bdf652 | 340 | |
059ec3d9 PH |
341 | extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *, |
342 | BOOL); | |
343 | extern int parse_forward_list(uschar *, int, address_item **, uschar **, | |
55414b25 | 344 | const uschar *, uschar *, error_block **); |
059ec3d9 PH |
345 | extern uschar *parse_find_address_end(uschar *, BOOL); |
346 | extern uschar *parse_find_at(uschar *); | |
55414b25 | 347 | extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int); |
30dba1e6 | 348 | extern uschar *parse_message_id(uschar *, uschar **, uschar **); |
55414b25 | 349 | extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL); |
43ad7b7d | 350 | extern uschar *parse_date_time(uschar *str, time_t *t); |
17c76198 PP |
351 | extern int vaguely_random_number(int); |
352 | #ifdef SUPPORT_TLS | |
353 | extern int vaguely_random_number_fallback(int); | |
354 | #endif | |
059ec3d9 PH |
355 | |
356 | extern BOOL queue_action(uschar *, int, uschar **, int, int); | |
357 | extern void queue_check_only(void); | |
358 | extern void queue_list(int, uschar **, int); | |
359 | extern void queue_count(void); | |
360 | extern void queue_run(uschar *, uschar *, BOOL); | |
361 | ||
362 | extern int random_number(int); | |
aeb65e91 | 363 | extern const uschar *rc_to_string(int); |
e4a89c47 | 364 | extern int rda_interpret(redirect_block *, int, uschar *, uschar *, |
efd9a422 MH |
365 | uschar *, uschar *, uschar *, ugid_block *, address_item **, |
366 | uschar **, error_block **, int *, uschar *); | |
059ec3d9 PH |
367 | extern int rda_is_filter(const uschar *); |
368 | extern BOOL readconf_depends(driver_instance *, uschar *); | |
369 | extern void readconf_driver_init(uschar *, driver_instance **, | |
370 | driver_info *, int, void *, int, optionlist *, int); | |
371 | extern uschar *readconf_find_option(void *); | |
34e86e20 | 372 | extern void readconf_main(BOOL); |
383832ef | 373 | extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *); |
2be324ee | 374 | extern BOOL readconf_print(uschar *, uschar *, BOOL); |
059ec3d9 PH |
375 | extern uschar *readconf_printtime(int); |
376 | extern uschar *readconf_readname(uschar *, int, uschar *); | |
1ad6489e | 377 | extern int readconf_readtime(const uschar *, int, BOOL); |
bf3c2c6b | 378 | extern void readconf_rest(void); |
55414b25 | 379 | extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *); |
bf3c2c6b | 380 | extern void readconf_save_config(const uschar *); |
328895cc | 381 | extern void read_message_body(BOOL); |
8f128379 | 382 | extern void receive_bomb_out(uschar *, uschar *); |
059ec3d9 PH |
383 | extern BOOL receive_check_fs(int); |
384 | extern BOOL receive_check_set_sender(uschar *); | |
385 | extern BOOL receive_msg(BOOL); | |
a45431fa | 386 | extern int_eximarith_t receive_statvfs(BOOL, int *); |
059ec3d9 | 387 | extern void receive_swallow_smtp(void); |
8523533c | 388 | #ifdef WITH_CONTENT_SCAN |
55414b25 | 389 | extern int regex(const uschar **); |
8523533c | 390 | #endif |
1dc92d5a | 391 | extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int); |
476be7e2 | 392 | extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL); |
059ec3d9 | 393 | extern void retry_add_item(address_item *, uschar *, int); |
55414b25 | 394 | extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL, |
059ec3d9 | 395 | uschar **, uschar **); |
55414b25 JH |
396 | extern retry_config *retry_find_config(const uschar *, const uschar *, int, int); |
397 | extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *, | |
ba9af0af | 398 | dbdata_retry *, time_t); |
059ec3d9 PH |
399 | extern void retry_update(address_item **, address_item **, address_item **); |
400 | extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int); | |
401 | extern uschar *rewrite_address_qualify(uschar *, BOOL); | |
55414b25 JH |
402 | extern header_line *rewrite_header(header_line *, |
403 | const uschar *, const uschar *, | |
059ec3d9 PH |
404 | rewrite_rule *, int, BOOL); |
405 | extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *, | |
406 | rewrite_rule *); | |
407 | extern void rewrite_test(uschar *); | |
408 | extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *, | |
409 | uschar **); | |
410 | extern int route_address(address_item *, address_item **, address_item **, | |
411 | address_item **, address_item **, int); | |
55414b25 JH |
412 | extern int route_check_prefix(const uschar *, const uschar *); |
413 | extern int route_check_suffix(const uschar *, const uschar *); | |
059ec3d9 | 414 | extern BOOL route_findgroup(uschar *, gid_t *); |
55414b25 | 415 | extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *); |
059ec3d9 PH |
416 | extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *, |
417 | uschar **); | |
418 | extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *, | |
419 | struct passwd **, uid_t *, uschar **); | |
420 | extern void route_init(void); | |
adf73d37 | 421 | extern void route_show_supported(FILE *); |
059ec3d9 PH |
422 | extern void route_tidyup(void); |
423 | ||
55414b25 | 424 | extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int, |
059ec3d9 | 425 | int, int *); |
55414b25 JH |
426 | extern int search_findtype(const uschar *, int); |
427 | extern int search_findtype_partial(const uschar *, int *, const uschar **, int *, | |
059ec3d9 PH |
428 | int *); |
429 | extern void *search_open(uschar *, int, int, uid_t *, gid_t *); | |
430 | extern void search_tidyup(void); | |
e0df1c83 | 431 | extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2); |
5fb822fc JH |
432 | extern void sha1_end(hctx *, const uschar *, int, uschar *); |
433 | extern void sha1_mid(hctx *, const uschar *); | |
434 | extern void sha1_start(hctx *); | |
e4a89c47 | 435 | extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *, |
efd9a422 | 436 | uschar *, address_item **, uschar **); |
059ec3d9 | 437 | extern void sigalrm_handler(int); |
58eb016e | 438 | extern BOOL smtp_buffered(void); |
059ec3d9 | 439 | extern void smtp_closedown(uschar *); |
9723f966 JH |
440 | extern void smtp_command_timeout_exit(void); |
441 | extern void smtp_command_sigterm_exit(void); | |
442 | extern void smtp_data_timeout_exit(void); | |
443 | extern void smtp_data_sigint_exit(void); | |
a09f2942 | 444 | extern uschar *smtp_cmd_hist(void); |
ee8b8090 | 445 | extern int smtp_connect(smtp_connect_args *, const blob *); |
7eb6c37c | 446 | extern int smtp_sock_connect(host_item *, int, int, uschar *, |
0ab63f3d | 447 | transport_instance * tb, int, const blob *); |
059ec3d9 PH |
448 | extern int smtp_feof(void); |
449 | extern int smtp_ferror(void); | |
450 | extern uschar *smtp_get_connection_info(void); | |
6f6dedcc | 451 | extern BOOL smtp_get_interface(uschar *, int, address_item *, |
059ec3d9 PH |
452 | uschar **, uschar *); |
453 | extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *); | |
bd8fbe36 | 454 | extern int smtp_getc(unsigned); |
0d81dabc | 455 | extern uschar *smtp_getbuf(unsigned *); |
584e96c6 | 456 | extern void smtp_get_cache(void); |
059ec3d9 | 457 | extern int smtp_handle_acl_fail(int, int, uschar *, uschar *); |
b4ed4da0 | 458 | extern void smtp_log_no_mail(void); |
4f6ae5c3 | 459 | extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL); |
74f1a423 | 460 | extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int); |
251b9eb4 | 461 | extern BOOL smtp_read_response(void *, uschar *, int, int, int); |
e04bfa34 | 462 | extern void smtp_reset(void *); |
a5bd321b | 463 | extern void smtp_respond(uschar *, int, BOOL, uschar *); |
8f128379 | 464 | extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...); |
58c30e47 | 465 | extern void smtp_port_for_connect(host_item *, int); |
059ec3d9 PH |
466 | extern void smtp_send_prohibition_message(int, uschar *); |
467 | extern int smtp_setup_msg(void); | |
468 | extern BOOL smtp_start_session(void); | |
469 | extern int smtp_ungetc(int); | |
d7b47fd0 | 470 | extern BOOL smtp_verify_helo(void); |
251b9eb4 | 471 | extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4); |
8523533c | 472 | #ifdef WITH_CONTENT_SCAN |
55414b25 | 473 | extern int spam(const uschar **); |
040721f2 | 474 | extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **); |
8523533c | 475 | #endif |
4b4856ff | 476 | extern void spool_clear_header_globals(void); |
3369a853 | 477 | extern uschar *spool_dname(const uschar *, uschar *); |
b4758425 | 478 | extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *); |
4b4856ff | 479 | extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *); |
789f8a4f | 480 | extern int spool_open_datafile(uschar *); |
059ec3d9 PH |
481 | extern int spool_open_temp(uschar *); |
482 | extern int spool_read_header(uschar *, BOOL, BOOL); | |
4b4856ff | 483 | extern uschar *spool_sname(const uschar *, uschar *); |
059ec3d9 | 484 | extern int spool_write_header(uschar *, int, uschar **); |
bd8fbe36 | 485 | extern int stdin_getc(unsigned); |
059ec3d9 PH |
486 | extern int stdin_feof(void); |
487 | extern int stdin_ferror(void); | |
488 | extern int stdin_ungetc(int); | |
acec9514 JH |
489 | extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT; |
490 | extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT; | |
491 | extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT; | |
bce15b62 | 492 | extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT; |
059ec3d9 | 493 | extern uschar *string_base62(unsigned long int); |
acec9514 JH |
494 | extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT; |
495 | extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT; | |
84bbb4d8 | 496 | extern int string_compare_by_pointer(const void *, const void *); |
059ec3d9 | 497 | extern uschar *string_copy_dnsdomain(uschar *); |
55414b25 | 498 | extern uschar *string_copy_malloc(const uschar *); |
1dc92d5a | 499 | extern uschar *string_copylc(const uschar *); |
059ec3d9 | 500 | extern uschar *string_copynlc(uschar *, int); |
55414b25 | 501 | extern uschar *string_dequote(const uschar **); |
d12746bc | 502 | extern gstring *string_fmt_append(gstring *, const char *, ...) ALMOST_PRINTF(2,3); |
81f91683 | 503 | extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4); |
059ec3d9 | 504 | extern uschar *string_format_size(int, uschar *); |
acec9514 JH |
505 | extern uschar *string_from_gstring(gstring *); |
506 | extern gstring *string_get(unsigned); | |
55414b25 | 507 | extern int string_interpret_escape(const uschar **); |
b1f8e4f8 | 508 | extern int string_is_ip_address(const uschar *, int *); |
8c5d388a | 509 | #ifdef SUPPORT_I18N |
0d7911ea JH |
510 | extern BOOL string_is_utf8(const uschar *); |
511 | #endif | |
55414b25 | 512 | extern uschar *string_nextinlist(const uschar **, int *, uschar *, int); |
e0df1c83 | 513 | extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3); |
55414b25 | 514 | extern const uschar *string_printing2(const uschar *, BOOL); |
e28326d8 | 515 | extern uschar *string_split_message(uschar *); |
306c6c77 | 516 | extern uschar *string_timediff(struct timeval *); |
0f1a8658 | 517 | extern uschar *string_timesince(struct timeval *); |
c7396ac5 | 518 | extern uschar *string_unprinting(uschar *); |
8c5d388a | 519 | #ifdef SUPPORT_I18N |
3c8b3577 | 520 | extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **); |
0d7911ea JH |
521 | extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **); |
522 | extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **); | |
523 | extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **); | |
524 | extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **); | |
525 | #endif | |
d12746bc | 526 | extern gstring *string_vformat(gstring *, BOOL, const char *, va_list); |
1ba28e2b PP |
527 | extern int strcmpic(const uschar *, const uschar *); |
528 | extern int strncmpic(const uschar *, const uschar *, int); | |
059ec3d9 PH |
529 | extern uschar *strstric(uschar *, uschar *, BOOL); |
530 | ||
10ac8d7f JH |
531 | #ifdef EXIM_TFO_PROBE |
532 | extern void tfo_probe(void); | |
533 | #endif | |
32dfdf8b JH |
534 | extern void timesince(struct timeval * diff, struct timeval * then); |
535 | extern void tls_modify_variables(tls_support *); | |
059ec3d9 | 536 | extern uschar *tod_stamp(int); |
41afb5cb | 537 | |
55414b25 | 538 | extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *, |
a39bd74d | 539 | BOOL *, oicf, void*); |
059ec3d9 | 540 | extern void transport_init(void); |
57cc2785 JH |
541 | extern void transport_do_pass_socket(const uschar *, const uschar *, |
542 | const uschar *, uschar *, int); | |
55414b25 | 543 | extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *, |
059ec3d9 PH |
544 | int); |
545 | extern uschar *transport_rcpt_address(address_item *, BOOL); | |
55414b25 JH |
546 | extern BOOL transport_set_up_command(const uschar ***, uschar *, |
547 | BOOL, int, address_item *, uschar *, uschar **); | |
059ec3d9 | 548 | extern void transport_update_waiting(host_item *, uschar *); |
42055a33 JH |
549 | extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL); |
550 | extern void transport_write_reset(int); | |
1ba28e2b | 551 | extern BOOL transport_write_string(int, const char *, ...); |
42055a33 JH |
552 | extern BOOL transport_headers_send(transport_ctx *, |
553 | BOOL (*)(transport_ctx *, uschar *, int)); | |
adf73d37 | 554 | extern void transport_show_supported(FILE *); |
42055a33 | 555 | extern BOOL transport_write_message(transport_ctx *, int); |
059ec3d9 PH |
556 | extern void tree_add_duplicate(uschar *, address_item *); |
557 | extern void tree_add_nonrecipient(uschar *); | |
558 | extern void tree_add_unusable(host_item *); | |
559 | extern int tree_insertnode(tree_node **, tree_node *); | |
55414b25 | 560 | extern tree_node *tree_search(tree_node *, const uschar *); |
059ec3d9 | 561 | extern void tree_write(tree_node *, FILE *); |
38a0a95f | 562 | extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *); |
059ec3d9 | 563 | |
8523533c TK |
564 | #ifdef WITH_CONTENT_SCAN |
565 | extern void unspool_mbox(void); | |
566 | #endif | |
8c5d388a | 567 | #ifdef SUPPORT_I18N |
fc362fc5 JH |
568 | extern void utf8_version_report(FILE *); |
569 | #endif | |
8523533c | 570 | |
4deaf07d PH |
571 | extern int verify_address(address_item *, FILE *, int, int, int, int, |
572 | uschar *, uschar *, BOOL *); | |
379ba7d0 | 573 | extern int verify_check_dnsbl(int, const uschar **, uschar **); |
4deaf07d | 574 | extern int verify_check_header_address(uschar **, uschar **, int, int, int, |
fe5b5d0b | 575 | uschar *, uschar *, int, int *); |
059ec3d9 | 576 | extern int verify_check_headers(uschar **); |
770747fd | 577 | extern int verify_check_header_names_ascii(uschar **); |
059ec3d9 | 578 | extern int verify_check_host(uschar **); |
7c498df1 | 579 | extern int verify_check_notblind(BOOL); |
3fb3231c | 580 | extern int verify_check_given_host(const uschar **, const host_item *); |
55414b25 JH |
581 | extern int verify_check_this_host(const uschar **, unsigned int *, |
582 | const uschar*, const uschar *, const uschar **); | |
059ec3d9 PH |
583 | extern address_item *verify_checked_sender(uschar *); |
584 | extern void verify_get_ident(int); | |
585 | extern BOOL verify_sender(int *, uschar **); | |
586 | extern BOOL verify_sender_preliminary(int *, uschar **); | |
587 | extern void version_init(void); | |
588 | ||
42055a33 | 589 | extern BOOL write_chunk(transport_ctx *, uschar *, int); |
17c76198 PP |
590 | extern ssize_t write_to_fd_buf(int, const uschar *, size_t); |
591 | ||
6940b3df | 592 | |
b66fecb4 | 593 | /* exim_chown - in some NFSv4 setups *seemes* to be an issue with |
6940b3df | 594 | chown(<exim-uid>, <exim-gid>). |
b66fecb4 | 595 | |
6940b3df JH |
596 | Probably because the idmapping is broken, misconfigured or set up in |
597 | an unusal way. (see Bug 2931). As I'm not sure, if this was a single | |
598 | case of misconfiguration, or if there are more such broken systems | |
599 | out, I try to impose as least impact as possible and for now just write | |
600 | a panic log entry pointing to the bug report. You're encouraged to | |
601 | contact the developers, if you experience this issue. | |
b66fecb4 | 602 | |
6940b3df JH |
603 | fd the file descriptor (or -1 if not valid) |
604 | name the file name for error messages or for file operations, | |
605 | if fd is < 0 | |
606 | owner the owner | |
607 | group the group | |
b66fecb4 | 608 | |
6940b3df | 609 | returns 0 on success, -1 on failure */ |
b66fecb4 | 610 | |
6940b3df | 611 | static inline int |
b66fecb4 HSHR |
612 | exim_fchown(int fd, uid_t owner, gid_t group, const uschar *name) |
613 | { | |
6940b3df JH |
614 | return fchown(fd, owner, group) |
615 | ? exim_chown_failure(fd, name, owner, group) : 0; | |
b66fecb4 HSHR |
616 | } |
617 | ||
6940b3df | 618 | static inline int |
b66fecb4 HSHR |
619 | exim_chown(const uschar *name, uid_t owner, gid_t group) |
620 | { | |
6940b3df JH |
621 | return chown(CCS name, owner, group) |
622 | ? exim_chown_failure(-1, name, owner, group) : 0; | |
b66fecb4 HSHR |
623 | } |
624 | ||
625 | #endif /* _FUNCTIONS_H_ */ | |
acec9514 | 626 | |
9d1c15ef JH |
627 | /* vi: aw |
628 | */ | |
059ec3d9 | 629 | /* End of functions.h */ |