ARC: enhance debug for signing; explicitly init signing context
[exim.git] / src / src / functions.h
CommitLineData
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
f9ba5e22 5/* Copyright (c) University of Cambridge 1995 - 2018 */
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6/* See the file NOTICE for conditions of use and distribution. */
7
8
9/* Prototypes for functions that appear in various modules. Gathered together
10to avoid having a lot of tiddly little headers with only a couple of lines in
11them. However, some functions that are used (or not used) by utility programs
12are in in fact in separate headers. */
13
14
15#ifdef EXIM_PERL
acec9514 16extern gstring *call_perl_cat(gstring *, uschar **, uschar *,
268d00ff 17 uschar **) WARN_UNUSED_RESULT;
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18extern void cleanup_perl(void);
19extern uschar *init_perl(uschar *);
20#endif
21
22
23#ifdef SUPPORT_TLS
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24extern const char *
25 std_dh_prime_default(void);
26extern const char *
27 std_dh_prime_named(const uschar *);
9d1c15ef 28
9e4dddbd 29extern uschar * tls_cert_crl_uri(void *, uschar * mod);
9d1c15ef 30extern uschar * tls_cert_ext_by_oid(void *, uschar *, int);
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31extern uschar * tls_cert_issuer(void *, uschar * mod);
32extern uschar * tls_cert_not_before(void *, uschar * mod);
33extern uschar * tls_cert_not_after(void *, uschar * mod);
34extern uschar * tls_cert_ocsp_uri(void *, uschar * mod);
35extern uschar * tls_cert_serial_number(void *, uschar * mod);
36extern uschar * tls_cert_signature(void *, uschar * mod);
37extern uschar * tls_cert_signature_algorithm(void *, uschar * mod);
38extern uschar * tls_cert_subject(void *, uschar * mod);
39extern uschar * tls_cert_subject_altname(void *, uschar * mod);
40extern uschar * tls_cert_version(void *, uschar * mod);
9d1c15ef 41
59b87190 42extern uschar * tls_cert_der_b64(void * cert);
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43extern uschar * tls_cert_fprt_md5(void *);
44extern uschar * tls_cert_fprt_sha1(void *);
9ef9101c 45extern uschar * tls_cert_fprt_sha256(void *);
6a8a60e0 46
f5d78688 47extern int tls_client_start(int, host_item *, address_item *,
cf0c6164 48 transport_instance *,
c0635b6d 49# ifdef SUPPORT_DANE
cf0c6164 50 dns_answer *,
790fbb71 51# endif
cf0c6164 52 uschar **);
dec766a1 53extern void tls_close(BOOL, int);
925ac8e4 54extern BOOL tls_could_read(void);
9d1c15ef 55extern int tls_export_cert(uschar *, size_t, void *);
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56extern int tls_feof(void);
57extern int tls_ferror(void);
790fbb71 58extern void tls_free_cert(void **);
bd8fbe36 59extern int tls_getc(unsigned);
0d81dabc 60extern uschar *tls_getbuf(unsigned *);
584e96c6 61extern void tls_get_cache(void);
9d1c15ef 62extern int tls_import_cert(const uschar *, void **);
817d9f57 63extern int tls_read(BOOL, uschar *, size_t);
cf0c6164 64extern int tls_server_start(const uschar *, uschar **);
58eb016e 65extern BOOL tls_smtp_buffered(void);
059ec3d9 66extern int tls_ungetc(int);
925ac8e4 67extern int tls_write(BOOL, const uschar *, size_t, BOOL);
3375e053 68extern uschar *tls_validate_require_cipher(void);
36f12725 69extern void tls_version_report(FILE *);
e51c7be2 70# ifndef USE_GNUTLS
77bb000f 71extern BOOL tls_openssl_options_parse(uschar *, long *);
e51c7be2 72# endif
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73extern uschar * tls_field_from_dn(uschar *, const uschar *);
74extern BOOL tls_is_name_for_cert(const uschar *, void *);
0e66b3b6 75
c0635b6d 76# ifdef SUPPORT_DANE
4b0fe319 77extern int tlsa_lookup(const host_item *, dns_answer *, BOOL);
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78# endif
79
35aba663 80#endif /*SUPPORT_TLS*/
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81
82
83/* Everything else... */
84
85extern acl_block *acl_read(uschar *(*)(void), uschar **);
86extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
05caaeaa 87extern int acl_eval(int, uschar *, uschar **, uschar **);
333eea9c 88
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89extern tree_node *acl_var_create(uschar *);
90extern void acl_var_write(uschar *, uschar *, void *);
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91
92#ifdef EXPERIMENTAL_ARC
93extern void *arc_ams_setup_sign_bodyhash(void);
94extern const uschar *arc_header_feed(gstring *, BOOL);
95extern gstring *arc_sign(const uschar *, gstring *, uschar **);
b3d9ebf5 96extern void arc_sign_init(void);
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97extern const uschar *acl_verify_arc(void);
98#endif
99
cf0812d5 100extern void assert_no_variables(void *, int, const char *, int);
e1af7642 101extern int auth_call_pam(const uschar *, uschar **);
059ec3d9 102extern int auth_call_pwcheck(uschar *, uschar **);
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103extern int auth_call_radius(const uschar *, uschar **);
104extern int auth_call_saslauthd(const uschar *, const uschar *,
105 const uschar *, const uschar *, uschar **);
16ff981e 106extern int auth_check_serv_cond(auth_instance *);
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107extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
108
e1d04f48 109
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110extern int auth_get_data(uschar **, uschar *, int);
111extern int auth_get_no64_data(uschar **, uschar *);
adf73d37 112extern void auth_show_supported(FILE *);
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113extern uschar *auth_xtextencode(uschar *, int);
114extern int auth_xtextdecode(uschar *, uschar **);
115
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116#ifdef EXPERIMENTAL_ARC
117extern gstring *authres_arc(gstring *);
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118#endif
119#ifndef DISABLE_DKIM
120extern gstring *authres_dkim(gstring *);
121#endif
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122#ifdef EXPERIMENTAL_DMARC
123extern gstring *authres_dmarc(gstring *);
124#endif
125extern gstring *authres_smtpauth(gstring *);
126#ifdef SUPPORT_SPF
127extern gstring *authres_spf(gstring *);
617d3932 128#endif
dfbcb5ac 129
f4d091fb 130extern uschar *b64encode(uschar *, int);
35cf75e9 131extern int b64decode(const uschar *, uschar **);
bd8fbe36 132extern int bdat_getc(unsigned);
0d81dabc 133extern uschar *bdat_getbuf(unsigned *);
f6f4a58d 134extern int bdat_ungetc(int);
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135extern void bdat_flush_data(void);
136
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137extern void bits_clear(unsigned int *, size_t, int *);
138extern void bits_set(unsigned int *, size_t, int *);
139
57cc2785 140extern void cancel_cutthrough_connection(BOOL, const uschar *);
55414b25 141extern int check_host(void *, const uschar *, const uschar **, uschar **);
059ec3d9 142extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
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143extern pid_t child_open_uid(const uschar **, const uschar **, int,
144 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
bc3c7bb7 145extern BOOL cleanup_environment(void);
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146extern void cutthrough_data_puts(uschar *, int);
147extern void cutthrough_data_put_nl(void);
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148extern uschar *cutthrough_finaldot(void);
149extern BOOL cutthrough_flush_send(void);
150extern BOOL cutthrough_headers_send(void);
151extern BOOL cutthrough_predata(void);
57cc2785 152extern void release_cutthrough_connection(const uschar *);
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153
154extern void daemon_go(void);
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155
156#ifdef EXPERIMENTAL_DCC
157extern int dcc_process(uschar **);
158#endif
159
ed7f7860 160extern void debug_logging_activate(uschar *, uschar *);
b0d68adc 161extern void debug_logging_stop(void);
55414b25 162extern void debug_print_argv(const uschar **);
059ec3d9 163extern void debug_print_ids(uschar *);
e1d04f48 164extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
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165extern void debug_print_string(uschar *);
166extern void debug_print_tree(tree_node *);
398f9af3 167extern void debug_vprintf(int, const char *, va_list);
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168extern void decode_bits(unsigned int *, size_t, int *,
169 uschar *, bit_table *, int, uschar *, int);
059ec3d9 170extern address_item *deliver_make_addr(uschar *, BOOL);
476be7e2 171extern void deliver_init(void);
817d9f57 172extern void delivery_log(int, address_item *, int, uschar *);
059ec3d9 173extern int deliver_message(uschar *, BOOL, BOOL);
e0df1c83 174extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
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175extern void deliver_set_expansions(address_item *);
176extern int deliver_split_address(address_item *);
177extern void deliver_succeeded(address_item *);
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178
179extern uschar *deliver_get_sender_address (uschar *id);
57cc2785 180extern void delivery_re_exec(int);
a39bd74d 181
1ba28e2b 182extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
80a47a2c 183#ifndef DISABLE_DKIM
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184extern uschar *dkim_exim_query_dns_txt(uschar *);
185extern void dkim_exim_sign_init(void);
186
42055a33 187extern BOOL dkim_transport_write_message(transport_ctx *,
b9df1829 188 struct ob_dkim *, const uschar ** errstr);
f7572e5a 189#endif
059ec3d9 190extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
476be7e2 191extern int dns_basic_lookup(dns_answer *, const uschar *, int);
55414b25 192extern void dns_build_reverse(const uschar *, uschar *);
8c51eead 193extern void dns_init(BOOL, BOOL, BOOL);
0539a19d 194extern BOOL dns_is_aa(const dns_answer *);
1dc92d5a 195extern BOOL dns_is_secure(const dns_answer *);
55414b25 196extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
476be7e2 197extern void dns_pattern_init(void);
55414b25 198extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
dd708fd7 199extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
059ec3d9 200extern uschar *dns_text_type(int);
36a3ae5f 201extern void dscp_list_to_stream(FILE *);
9e4f5962 202extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
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203
204extern void enq_end(uschar *);
e8ae7214 205extern BOOL enq_start(uschar *, unsigned);
0cbf2b82 206#ifndef DISABLE_EVENT
55414b25 207extern uschar *event_raise(uschar *, const uschar *, uschar *);
5ef5dd52 208extern void msg_event_raise(const uschar *, const address_item *);
774ef2d7 209#endif
37f3dc43 210extern const uschar * exim_errstr(int);
9bfb7e1b 211extern void exim_exit(int, const uschar *);
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212extern void exim_nullstd(void);
213extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
059ec3d9 214extern void exim_wait_tick(struct timeval *, int);
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215extern int exp_bool(address_item *addr,
216 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
217 uschar *svalue, BOOL *rvalue);
059ec3d9 218extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
617d3932 219extern uschar *expand_file_big_buffer(const uschar *);
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220extern uschar *expand_string(uschar *); /* public, cannot make const */
221extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
f42deca9 222extern uschar *expand_hide_passwords(uschar * );
55414b25 223extern uschar *expand_string_copy(const uschar *);
97d17305 224extern int_eximarith_t expand_string_integer(uschar *, BOOL);
d9b2312b 225extern void modify_variable(uschar *, void *);
059ec3d9 226
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227extern BOOL fd_ready(int, int);
228
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229extern int filter_interpret(uschar *, int, address_item **, uschar **);
230extern BOOL filter_personal(string_item *, BOOL);
f05da2e8 231extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
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232extern BOOL filter_system_interpret(address_item **, uschar **);
233
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234extern uschar * fn_hdrs_added(void);
235
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236extern void gstring_reset_unused(gstring *);
237
1ba28e2b 238extern void header_add(int, const char *, ...);
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239extern int header_checkname(header_line *, BOOL);
240extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
7cd1141b 241extern int host_address_extract_port(uschar *);
059ec3d9 242extern uschar *host_and_ident(BOOL);
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243extern int host_aton(const uschar *, int *);
244extern void host_build_hostlist(host_item **, const uschar *, BOOL);
245extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
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246extern void host_build_log_info(void);
247extern void host_build_sender_fullhost(void);
a207d5dd 248extern int host_find_byname(host_item *, const uschar *, int,
1f155f8e 249 const uschar **, BOOL);
55414b25 250extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
7cd171b7 251 uschar *, const dnssec_domains *, const uschar **, BOOL *);
059ec3d9 252extern ip_address_item *host_find_interfaces(void);
55414b25 253extern BOOL host_is_in_net(const uschar *, const uschar *, int);
059ec3d9 254extern BOOL host_is_tls_on_connect_port(int);
7cd1141b 255extern int host_item_get_port(host_item *);
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256extern void host_mask(int, int *, int);
257extern int host_name_lookup(void);
6f0c9a4f 258extern int host_nmtoa(int, int *, int, uschar *, int);
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259extern uschar *host_ntoa(int, const void *, uschar *, int *);
260extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
261
94431adb 262extern uschar *imap_utf7_encode(uschar *, const uschar *,
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263 uschar, uschar *, uschar **);
264
83e029d5 265extern void invert_address(uschar *, uschar *);
7eb6c37c 266extern int ip_addr(void *, int, const uschar *, int);
059ec3d9 267extern int ip_bind(int, int, uschar *, int);
0ab63f3d 268extern int ip_connect(int, int, const uschar *, int, int, const blob *);
b1f8e4f8 269extern int ip_connectedsocket(int, const uschar *, int, int,
4a5cbaff 270 int, host_item *, uschar **, const blob *);
13363eba 271extern int ip_get_address_family(int);
55414b25 272extern void ip_keepalive(int, const uschar *, BOOL);
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273extern int ip_recv(int, uschar *, int, int);
274extern int ip_socket(int, int);
275
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276extern int ip_tcpsocket(const uschar *, uschar **, int);
277extern int ip_unixsocket(const uschar *, uschar **);
278extern int ip_streamsocket(const uschar *, uschar **, int);
279
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280extern int ipv6_nmtoa(int *, uschar *);
281
921b12ca 282extern uschar *local_part_quote(uschar *);
4840604e 283extern int log_create(uschar *);
921b12ca 284extern int log_create_as_exim(uschar *);
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285extern void log_close_all(void);
286
d185889f 287extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
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288extern BOOL macro_read_assignment(uschar *);
289extern uschar *macros_expand(int, int *, BOOL *);
9cd319d9 290extern void mainlog_close(void);
8523533c 291#ifdef WITH_CONTENT_SCAN
0f0c8159 292extern int malware(const uschar *, int);
dbc4b90d 293extern int malware_in_file(uschar *);
476be7e2 294extern void malware_init(void);
c11d665d 295extern void malware_show_supported(FILE *);
8523533c 296#endif
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297extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
298 unsigned int *, int, int, const uschar **);
36d295f1 299extern int match_address_list_basic(const uschar *, const uschar **, int);
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300extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
301 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
302 const uschar *, const uschar **);
303extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
304 unsigned int *, int, BOOL, const uschar **);
305extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
306 const uschar **);
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307extern void md5_end(md5 *, const uschar *, int, uschar *);
308extern void md5_mid(md5 *, const uschar *);
309extern void md5_start(md5 *);
310extern void millisleep(int);
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311#ifdef WITH_CONTENT_SCAN
312struct mime_boundary_context;
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313extern int mime_acl_check(uschar *acl, FILE *f,
314 struct mime_boundary_context *, uschar **, uschar **);
55414b25 315extern int mime_decode(const uschar **);
f4d091fb 316extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
55414b25 317extern int mime_regex(const uschar **);
f4d091fb 318extern void mime_set_anomaly(int);
8523533c 319#endif
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320extern uschar *moan_check_errorcopy(uschar *);
321extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
322 BOOL, uschar *);
e0df1c83 323extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
1ba28e2b 324extern void moan_tell_someone(uschar *, address_item *,
e0df1c83 325 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
059ec3d9 326extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
0e22dfd1 327extern void moan_write_from(FILE *);
1ba28e2b 328extern FILE *modefopen(const uschar *, const char *, mode_t);
059ec3d9 329
f9334a28 330extern int open_cutthrough_connection( address_item * addr );
e4bdf652 331
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332extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
333 BOOL);
334extern int parse_forward_list(uschar *, int, address_item **, uschar **,
55414b25 335 const uschar *, uschar *, error_block **);
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336extern uschar *parse_find_address_end(uschar *, BOOL);
337extern uschar *parse_find_at(uschar *);
55414b25 338extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
30dba1e6 339extern uschar *parse_message_id(uschar *, uschar **, uschar **);
55414b25 340extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
43ad7b7d 341extern uschar *parse_date_time(uschar *str, time_t *t);
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342extern int vaguely_random_number(int);
343#ifdef SUPPORT_TLS
344extern int vaguely_random_number_fallback(int);
345#endif
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346
347extern BOOL queue_action(uschar *, int, uschar **, int, int);
348extern void queue_check_only(void);
349extern void queue_list(int, uschar **, int);
350extern void queue_count(void);
351extern void queue_run(uschar *, uschar *, BOOL);
352
353extern int random_number(int);
e4a89c47 354extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
efd9a422
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355 uschar *, uschar *, uschar *, ugid_block *, address_item **,
356 uschar **, error_block **, int *, uschar *);
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357extern int rda_is_filter(const uschar *);
358extern BOOL readconf_depends(driver_instance *, uschar *);
359extern void readconf_driver_init(uschar *, driver_instance **,
360 driver_info *, int, void *, int, optionlist *, int);
361extern uschar *readconf_find_option(void *);
34e86e20 362extern void readconf_main(BOOL);
383832ef 363extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
2be324ee 364extern BOOL readconf_print(uschar *, uschar *, BOOL);
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365extern uschar *readconf_printtime(int);
366extern uschar *readconf_readname(uschar *, int, uschar *);
1ad6489e 367extern int readconf_readtime(const uschar *, int, BOOL);
bf3c2c6b 368extern void readconf_rest(void);
55414b25 369extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
bf3c2c6b 370extern void readconf_save_config(const uschar *);
328895cc 371extern void read_message_body(BOOL);
8f128379 372extern void receive_bomb_out(uschar *, uschar *);
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373extern BOOL receive_check_fs(int);
374extern BOOL receive_check_set_sender(uschar *);
375extern BOOL receive_msg(BOOL);
8e669ac1 376extern int receive_statvfs(BOOL, int *);
059ec3d9 377extern void receive_swallow_smtp(void);
8523533c 378#ifdef WITH_CONTENT_SCAN
55414b25 379extern int regex(const uschar **);
8523533c 380#endif
1dc92d5a 381extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
476be7e2 382extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
059ec3d9 383extern void retry_add_item(address_item *, uschar *, int);
55414b25 384extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
059ec3d9 385 uschar **, uschar **);
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JH
386extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
387extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
ba9af0af 388 dbdata_retry *, time_t);
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389extern void retry_update(address_item **, address_item **, address_item **);
390extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
391extern uschar *rewrite_address_qualify(uschar *, BOOL);
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392extern header_line *rewrite_header(header_line *,
393 const uschar *, const uschar *,
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394 rewrite_rule *, int, BOOL);
395extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
396 rewrite_rule *);
397extern void rewrite_test(uschar *);
398extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
399 uschar **);
400extern int route_address(address_item *, address_item **, address_item **,
401 address_item **, address_item **, int);
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402extern int route_check_prefix(const uschar *, const uschar *);
403extern int route_check_suffix(const uschar *, const uschar *);
059ec3d9 404extern BOOL route_findgroup(uschar *, gid_t *);
55414b25 405extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
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406extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
407 uschar **);
408extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
409 struct passwd **, uid_t *, uschar **);
410extern void route_init(void);
adf73d37 411extern void route_show_supported(FILE *);
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412extern void route_tidyup(void);
413
55414b25 414extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
059ec3d9 415 int, int *);
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416extern int search_findtype(const uschar *, int);
417extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
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PH
418 int *);
419extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
420extern void search_tidyup(void);
e0df1c83 421extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
5fb822fc
JH
422extern void sha1_end(hctx *, const uschar *, int, uschar *);
423extern void sha1_mid(hctx *, const uschar *);
424extern void sha1_start(hctx *);
e4a89c47 425extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
efd9a422 426 uschar *, address_item **, uschar **);
059ec3d9 427extern void sigalrm_handler(int);
58eb016e 428extern BOOL smtp_buffered(void);
059ec3d9 429extern void smtp_closedown(uschar *);
a09f2942 430extern uschar *smtp_cmd_hist(void);
58c30e47 431extern int smtp_connect(host_item *, int, uschar *, int,
7eb6c37c
JH
432 transport_instance *);
433extern int smtp_sock_connect(host_item *, int, int, uschar *,
0ab63f3d 434 transport_instance * tb, int, const blob *);
059ec3d9
PH
435extern int smtp_feof(void);
436extern int smtp_ferror(void);
437extern uschar *smtp_get_connection_info(void);
6f6dedcc 438extern BOOL smtp_get_interface(uschar *, int, address_item *,
059ec3d9
PH
439 uschar **, uschar *);
440extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
bd8fbe36 441extern int smtp_getc(unsigned);
0d81dabc 442extern uschar *smtp_getbuf(unsigned *);
584e96c6 443extern void smtp_get_cache(void);
059ec3d9 444extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
b4ed4da0 445extern void smtp_log_no_mail(void);
4f6ae5c3 446extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
d097cc73 447extern void smtp_proxy_tls(uschar *, size_t, int *, int);
059ec3d9 448extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
e04bfa34 449extern void smtp_reset(void *);
a5bd321b 450extern void smtp_respond(uschar *, int, BOOL, uschar *);
8f128379 451extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
58c30e47 452extern void smtp_port_for_connect(host_item *, int);
059ec3d9
PH
453extern void smtp_send_prohibition_message(int, uschar *);
454extern int smtp_setup_msg(void);
455extern BOOL smtp_start_session(void);
456extern int smtp_ungetc(int);
d7b47fd0 457extern BOOL smtp_verify_helo(void);
4e910c01 458extern int smtp_write_command(smtp_outblock *, int, const char *, ...) PRINTF_FUNCTION(3,4);
8523533c 459#ifdef WITH_CONTENT_SCAN
55414b25 460extern int spam(const uschar **);
040721f2 461extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
8523533c 462#endif
4b4856ff 463extern void spool_clear_header_globals(void);
3369a853 464extern uschar *spool_dname(const uschar *, uschar *);
b4758425 465extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
4b4856ff 466extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
789f8a4f 467extern int spool_open_datafile(uschar *);
059ec3d9
PH
468extern int spool_open_temp(uschar *);
469extern int spool_read_header(uschar *, BOOL, BOOL);
4b4856ff 470extern uschar *spool_sname(const uschar *, uschar *);
059ec3d9 471extern int spool_write_header(uschar *, int, uschar **);
bd8fbe36 472extern int stdin_getc(unsigned);
059ec3d9
PH
473extern int stdin_feof(void);
474extern int stdin_ferror(void);
475extern int stdin_ungetc(int);
acec9514
JH
476extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
477extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
478extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
059ec3d9 479extern uschar *string_base62(unsigned long int);
acec9514
JH
480extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
481extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
84bbb4d8 482extern int string_compare_by_pointer(const void *, const void *);
059ec3d9 483extern uschar *string_copy_dnsdomain(uschar *);
55414b25 484extern uschar *string_copy_malloc(const uschar *);
1dc92d5a 485extern uschar *string_copylc(const uschar *);
059ec3d9 486extern uschar *string_copynlc(uschar *, int);
55414b25 487extern uschar *string_dequote(const uschar **);
81f91683 488extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
059ec3d9 489extern uschar *string_format_size(int, uschar *);
acec9514
JH
490extern uschar *string_from_gstring(gstring *);
491extern gstring *string_get(unsigned);
55414b25 492extern int string_interpret_escape(const uschar **);
b1f8e4f8 493extern int string_is_ip_address(const uschar *, int *);
8c5d388a 494#ifdef SUPPORT_I18N
0d7911ea
JH
495extern BOOL string_is_utf8(const uschar *);
496#endif
55414b25 497extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
e0df1c83 498extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
55414b25 499extern const uschar *string_printing2(const uschar *, BOOL);
e28326d8 500extern uschar *string_split_message(uschar *);
306c6c77 501extern uschar *string_timediff(struct timeval *);
0f1a8658 502extern uschar *string_timesince(struct timeval *);
c7396ac5 503extern uschar *string_unprinting(uschar *);
8c5d388a 504#ifdef SUPPORT_I18N
3c8b3577 505extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
0d7911ea
JH
506extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
507extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
508extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
509extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
510#endif
1ba28e2b
PP
511extern BOOL string_vformat(uschar *, int, const char *, va_list);
512extern int strcmpic(const uschar *, const uschar *);
513extern int strncmpic(const uschar *, const uschar *, int);
059ec3d9
PH
514extern uschar *strstric(uschar *, uschar *, BOOL);
515
10ac8d7f
JH
516#ifdef EXIM_TFO_PROBE
517extern void tfo_probe(void);
518#endif
32dfdf8b
JH
519extern void timesince(struct timeval * diff, struct timeval * then);
520extern void tls_modify_variables(tls_support *);
059ec3d9 521extern uschar *tod_stamp(int);
41afb5cb 522
55414b25 523extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
a39bd74d 524 BOOL *, oicf, void*);
059ec3d9 525extern void transport_init(void);
57cc2785
JH
526extern void transport_do_pass_socket(const uschar *, const uschar *,
527 const uschar *, uschar *, int);
55414b25 528extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
059ec3d9
PH
529 int);
530extern uschar *transport_rcpt_address(address_item *, BOOL);
55414b25
JH
531extern BOOL transport_set_up_command(const uschar ***, uschar *,
532 BOOL, int, address_item *, uschar *, uschar **);
059ec3d9 533extern void transport_update_waiting(host_item *, uschar *);
42055a33
JH
534extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
535extern void transport_write_reset(int);
1ba28e2b 536extern BOOL transport_write_string(int, const char *, ...);
42055a33
JH
537extern BOOL transport_headers_send(transport_ctx *,
538 BOOL (*)(transport_ctx *, uschar *, int));
adf73d37 539extern void transport_show_supported(FILE *);
42055a33 540extern BOOL transport_write_message(transport_ctx *, int);
059ec3d9
PH
541extern void tree_add_duplicate(uschar *, address_item *);
542extern void tree_add_nonrecipient(uschar *);
543extern void tree_add_unusable(host_item *);
544extern int tree_insertnode(tree_node **, tree_node *);
55414b25 545extern tree_node *tree_search(tree_node *, const uschar *);
059ec3d9 546extern void tree_write(tree_node *, FILE *);
38a0a95f 547extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
059ec3d9 548
8523533c
TK
549#ifdef WITH_CONTENT_SCAN
550extern void unspool_mbox(void);
551#endif
8c5d388a 552#ifdef SUPPORT_I18N
fc362fc5
JH
553extern void utf8_version_report(FILE *);
554#endif
8523533c 555
4deaf07d
PH
556extern int verify_address(address_item *, FILE *, int, int, int, int,
557 uschar *, uschar *, BOOL *);
379ba7d0 558extern int verify_check_dnsbl(int, const uschar **, uschar **);
4deaf07d 559extern int verify_check_header_address(uschar **, uschar **, int, int, int,
fe5b5d0b 560 uschar *, uschar *, int, int *);
059ec3d9 561extern int verify_check_headers(uschar **);
770747fd 562extern int verify_check_header_names_ascii(uschar **);
059ec3d9 563extern int verify_check_host(uschar **);
1c41c9cc 564extern int verify_check_notblind(void);
5130845b 565extern int verify_check_given_host(uschar **, host_item *);
55414b25
JH
566extern int verify_check_this_host(const uschar **, unsigned int *,
567 const uschar*, const uschar *, const uschar **);
059ec3d9
PH
568extern address_item *verify_checked_sender(uschar *);
569extern void verify_get_ident(int);
570extern BOOL verify_sender(int *, uschar **);
571extern BOOL verify_sender_preliminary(int *, uschar **);
572extern void version_init(void);
573
42055a33 574extern BOOL write_chunk(transport_ctx *, uschar *, int);
17c76198
PP
575extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
576
acec9514 577
9d1c15ef
JH
578/* vi: aw
579*/
059ec3d9 580/* End of functions.h */