Expansions: new ${authresults {mch}} for an Authentication-Results header
[exim.git] / src / src / functions.h
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
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. */
13
14
15 #ifdef EXIM_PERL
16 extern gstring *call_perl_cat(gstring *, uschar **, uschar *,
17 uschar **) WARN_UNUSED_RESULT;
18 extern void cleanup_perl(void);
19 extern uschar *init_perl(uschar *);
20 #endif
21
22
23 #ifdef SUPPORT_TLS
24 extern const char *
25 std_dh_prime_default(void);
26 extern const char *
27 std_dh_prime_named(const uschar *);
28
29 extern uschar * tls_cert_crl_uri(void *, uschar * mod);
30 extern uschar * tls_cert_ext_by_oid(void *, uschar *, int);
31 extern uschar * tls_cert_issuer(void *, uschar * mod);
32 extern uschar * tls_cert_not_before(void *, uschar * mod);
33 extern uschar * tls_cert_not_after(void *, uschar * mod);
34 extern uschar * tls_cert_ocsp_uri(void *, uschar * mod);
35 extern uschar * tls_cert_serial_number(void *, uschar * mod);
36 extern uschar * tls_cert_signature(void *, uschar * mod);
37 extern uschar * tls_cert_signature_algorithm(void *, uschar * mod);
38 extern uschar * tls_cert_subject(void *, uschar * mod);
39 extern uschar * tls_cert_subject_altname(void *, uschar * mod);
40 extern uschar * tls_cert_version(void *, uschar * mod);
41
42 extern uschar * tls_cert_der_b64(void * cert);
43 extern uschar * tls_cert_fprt_md5(void *);
44 extern uschar * tls_cert_fprt_sha1(void *);
45 extern uschar * tls_cert_fprt_sha256(void *);
46
47 extern int tls_client_start(int, host_item *, address_item *,
48 transport_instance *,
49 # ifdef SUPPORT_DANE
50 dns_answer *,
51 # endif
52 uschar **);
53 extern void tls_close(BOOL, BOOL);
54 extern BOOL tls_could_read(void);
55 extern int tls_export_cert(uschar *, size_t, void *);
56 extern int tls_feof(void);
57 extern int tls_ferror(void);
58 extern void tls_free_cert(void **);
59 extern int tls_getc(unsigned);
60 extern uschar *tls_getbuf(unsigned *);
61 extern void tls_get_cache(void);
62 extern int tls_import_cert(const uschar *, void **);
63 extern int tls_read(BOOL, uschar *, size_t);
64 extern int tls_server_start(const uschar *, uschar **);
65 extern BOOL tls_smtp_buffered(void);
66 extern int tls_ungetc(int);
67 extern int tls_write(BOOL, const uschar *, size_t, BOOL);
68 extern uschar *tls_validate_require_cipher(void);
69 extern void tls_version_report(FILE *);
70 # ifndef USE_GNUTLS
71 extern BOOL tls_openssl_options_parse(uschar *, long *);
72 # endif
73 extern uschar * tls_field_from_dn(uschar *, const uschar *);
74 extern BOOL tls_is_name_for_cert(const uschar *, void *);
75
76 # ifdef SUPPORT_DANE
77 extern int tlsa_lookup(const host_item *, dns_answer *, BOOL);
78 # endif
79
80 #endif /*SUPPORT_TLS*/
81
82
83 /* Everything else... */
84
85 extern acl_block *acl_read(uschar *(*)(void), uschar **);
86 extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
87 extern int acl_eval(int, uschar *, uschar **, uschar **);
88
89 extern tree_node *acl_var_create(uschar *);
90 extern void acl_var_write(uschar *, uschar *, void *);
91 extern void assert_no_variables(void *, int, const char *, int);
92 extern int auth_call_pam(const uschar *, uschar **);
93 extern int auth_call_pwcheck(uschar *, uschar **);
94 extern int auth_call_radius(const uschar *, uschar **);
95 extern int auth_call_saslauthd(const uschar *, const uschar *,
96 const uschar *, const uschar *, uschar **);
97 extern int auth_check_serv_cond(auth_instance *);
98 extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
99
100
101 extern int auth_get_data(uschar **, uschar *, int);
102 extern int auth_get_no64_data(uschar **, uschar *);
103 extern void auth_show_supported(FILE *);
104 extern uschar *auth_xtextencode(uschar *, int);
105 extern int auth_xtextdecode(uschar *, uschar **);
106
107 extern gstring *authres_smtpauth(gstring *);
108 #ifdef SUPPORT_SPF
109 extern gstring *authres_spf(gstring *);
110 #endif
111 #ifndef DISABLE_DKIM
112 extern gstring *authres_dkim(gstring *);
113 #endif
114
115 extern uschar *b64encode(uschar *, int);
116 extern int b64decode(const uschar *, uschar **);
117 extern int bdat_getc(unsigned);
118 extern uschar *bdat_getbuf(unsigned *);
119 extern int bdat_ungetc(int);
120 extern void bdat_flush_data(void);
121
122 extern void bits_clear(unsigned int *, size_t, int *);
123 extern void bits_set(unsigned int *, size_t, int *);
124
125 extern void cancel_cutthrough_connection(BOOL, const uschar *);
126 extern int check_host(void *, const uschar *, const uschar **, uschar **);
127 extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
128 extern pid_t child_open_uid(const uschar **, const uschar **, int,
129 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
130 extern BOOL cleanup_environment(void);
131 extern void cutthrough_data_puts(uschar *, int);
132 extern void cutthrough_data_put_nl(void);
133 extern uschar *cutthrough_finaldot(void);
134 extern BOOL cutthrough_flush_send(void);
135 extern BOOL cutthrough_headers_send(void);
136 extern BOOL cutthrough_predata(void);
137 extern void release_cutthrough_connection(const uschar *);
138
139 extern void daemon_go(void);
140
141 #ifdef EXPERIMENTAL_DCC
142 extern int dcc_process(uschar **);
143 #endif
144
145 extern void debug_logging_activate(uschar *, uschar *);
146 extern void debug_logging_stop(void);
147 extern void debug_print_argv(const uschar **);
148 extern void debug_print_ids(uschar *);
149 extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
150 extern void debug_print_string(uschar *);
151 extern void debug_print_tree(tree_node *);
152 extern void debug_vprintf(int, const char *, va_list);
153 extern void decode_bits(unsigned int *, size_t, int *,
154 uschar *, bit_table *, int, uschar *, int);
155 extern address_item *deliver_make_addr(uschar *, BOOL);
156 extern void deliver_init(void);
157 extern void delivery_log(int, address_item *, int, uschar *);
158 extern int deliver_message(uschar *, BOOL, BOOL);
159 extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
160 extern void deliver_set_expansions(address_item *);
161 extern int deliver_split_address(address_item *);
162 extern void deliver_succeeded(address_item *);
163
164 extern uschar *deliver_get_sender_address (uschar *id);
165 extern void delivery_re_exec(int);
166
167 extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
168 #ifndef DISABLE_DKIM
169 extern BOOL dkim_transport_write_message(transport_ctx *,
170 struct ob_dkim *, const uschar ** errstr);
171 #endif
172 extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
173 extern int dns_basic_lookup(dns_answer *, const uschar *, int);
174 extern void dns_build_reverse(const uschar *, uschar *);
175 extern void dns_init(BOOL, BOOL, BOOL);
176 extern BOOL dns_is_aa(const dns_answer *);
177 extern BOOL dns_is_secure(const dns_answer *);
178 extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
179 extern void dns_pattern_init(void);
180 extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
181 extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
182 extern uschar *dns_text_type(int);
183 extern void dscp_list_to_stream(FILE *);
184 extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
185
186 extern void enq_end(uschar *);
187 extern BOOL enq_start(uschar *, unsigned);
188 #ifndef DISABLE_EVENT
189 extern uschar *event_raise(uschar *, const uschar *, uschar *);
190 extern void msg_event_raise(const uschar *, const address_item *);
191 #endif
192 extern const uschar * exim_errstr(int);
193 extern void exim_exit(int, const uschar *);
194 extern void exim_nullstd(void);
195 extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
196 extern void exim_wait_tick(struct timeval *, int);
197 extern int exp_bool(address_item *addr,
198 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
199 uschar *svalue, BOOL *rvalue);
200 extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
201 extern uschar *expand_string(uschar *); /* public, cannot make const */
202 extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
203 extern uschar *expand_hide_passwords(uschar * );
204 extern uschar *expand_string_copy(const uschar *);
205 extern int_eximarith_t expand_string_integer(uschar *, BOOL);
206 extern void modify_variable(uschar *, void *);
207
208 extern BOOL fd_ready(int, int);
209
210 extern int filter_interpret(uschar *, int, address_item **, uschar **);
211 extern BOOL filter_personal(string_item *, BOOL);
212 extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
213 extern BOOL filter_system_interpret(address_item **, uschar **);
214
215 extern uschar * fn_hdrs_added(void);
216
217 extern void header_add(int, const char *, ...);
218 extern int header_checkname(header_line *, BOOL);
219 extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
220 extern int host_address_extract_port(uschar *);
221 extern uschar *host_and_ident(BOOL);
222 extern int host_aton(const uschar *, int *);
223 extern void host_build_hostlist(host_item **, const uschar *, BOOL);
224 extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
225 extern void host_build_log_info(void);
226 extern void host_build_sender_fullhost(void);
227 extern int host_find_byname(host_item *, const uschar *, int,
228 const uschar **, BOOL);
229 extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
230 uschar *, const dnssec_domains *, const uschar **, BOOL *);
231 extern ip_address_item *host_find_interfaces(void);
232 extern BOOL host_is_in_net(const uschar *, const uschar *, int);
233 extern BOOL host_is_tls_on_connect_port(int);
234 extern int host_item_get_port(host_item *);
235 extern void host_mask(int, int *, int);
236 extern int host_name_lookup(void);
237 extern int host_nmtoa(int, int *, int, uschar *, int);
238 extern uschar *host_ntoa(int, const void *, uschar *, int *);
239 extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
240
241 extern uschar *imap_utf7_encode(uschar *, const uschar *,
242 uschar, uschar *, uschar **);
243
244 extern void invert_address(uschar *, uschar *);
245 extern int ip_addr(void *, int, const uschar *, int);
246 extern int ip_bind(int, int, uschar *, int);
247 extern int ip_connect(int, int, const uschar *, int, int, const blob *);
248 extern int ip_connectedsocket(int, const uschar *, int, int,
249 int, host_item *, uschar **, const blob *);
250 extern int ip_get_address_family(int);
251 extern void ip_keepalive(int, const uschar *, BOOL);
252 extern int ip_recv(int, uschar *, int, int);
253 extern int ip_socket(int, int);
254
255 extern int ip_tcpsocket(const uschar *, uschar **, int);
256 extern int ip_unixsocket(const uschar *, uschar **);
257 extern int ip_streamsocket(const uschar *, uschar **, int);
258
259 extern int ipv6_nmtoa(int *, uschar *);
260
261 extern uschar *local_part_quote(uschar *);
262 extern int log_create(uschar *);
263 extern int log_create_as_exim(uschar *);
264 extern void log_close_all(void);
265
266 extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
267 extern BOOL macro_read_assignment(uschar *);
268 extern uschar *macros_expand(int, int *, BOOL *);
269 extern void mainlog_close(void);
270 #ifdef WITH_CONTENT_SCAN
271 extern int malware(const uschar *, int);
272 extern int malware_in_file(uschar *);
273 extern void malware_init(void);
274 extern void malware_show_supported(FILE *);
275 #endif
276 extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
277 unsigned int *, int, int, const uschar **);
278 extern int match_address_list_basic(const uschar *, const uschar **, int);
279 extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
280 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
281 const uschar *, const uschar **);
282 extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
283 unsigned int *, int, BOOL, const uschar **);
284 extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
285 const uschar **);
286 extern void md5_end(md5 *, const uschar *, int, uschar *);
287 extern void md5_mid(md5 *, const uschar *);
288 extern void md5_start(md5 *);
289 extern void millisleep(int);
290 #ifdef WITH_CONTENT_SCAN
291 struct mime_boundary_context;
292 extern int mime_acl_check(uschar *acl, FILE *f,
293 struct mime_boundary_context *, uschar **, uschar **);
294 extern int mime_decode(const uschar **);
295 extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
296 extern int mime_regex(const uschar **);
297 extern void mime_set_anomaly(int);
298 #endif
299 extern uschar *moan_check_errorcopy(uschar *);
300 extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
301 BOOL, uschar *);
302 extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
303 extern void moan_tell_someone(uschar *, address_item *,
304 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
305 extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
306 extern void moan_write_from(FILE *);
307 extern FILE *modefopen(const uschar *, const char *, mode_t);
308
309 extern int open_cutthrough_connection( address_item * addr );
310
311 extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
312 BOOL);
313 extern int parse_forward_list(uschar *, int, address_item **, uschar **,
314 const uschar *, uschar *, error_block **);
315 extern uschar *parse_find_address_end(uschar *, BOOL);
316 extern uschar *parse_find_at(uschar *);
317 extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
318 extern uschar *parse_message_id(uschar *, uschar **, uschar **);
319 extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
320 extern uschar *parse_date_time(uschar *str, time_t *t);
321 extern int vaguely_random_number(int);
322 #ifdef SUPPORT_TLS
323 extern int vaguely_random_number_fallback(int);
324 #endif
325
326 extern BOOL queue_action(uschar *, int, uschar **, int, int);
327 extern void queue_check_only(void);
328 extern void queue_list(int, uschar **, int);
329 extern void queue_count(void);
330 extern void queue_run(uschar *, uschar *, BOOL);
331
332 extern int random_number(int);
333 extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
334 uschar *, uschar *, uschar *, ugid_block *, address_item **,
335 uschar **, error_block **, int *, uschar *);
336 extern int rda_is_filter(const uschar *);
337 extern BOOL readconf_depends(driver_instance *, uschar *);
338 extern void readconf_driver_init(uschar *, driver_instance **,
339 driver_info *, int, void *, int, optionlist *, int);
340 extern uschar *readconf_find_option(void *);
341 extern void readconf_main(BOOL);
342 extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
343 extern BOOL readconf_print(uschar *, uschar *, BOOL);
344 extern uschar *readconf_printtime(int);
345 extern uschar *readconf_readname(uschar *, int, uschar *);
346 extern int readconf_readtime(const uschar *, int, BOOL);
347 extern void readconf_rest(void);
348 extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
349 extern void readconf_save_config(const uschar *);
350 extern void read_message_body(BOOL);
351 extern void receive_bomb_out(uschar *, uschar *);
352 extern BOOL receive_check_fs(int);
353 extern BOOL receive_check_set_sender(uschar *);
354 extern BOOL receive_msg(BOOL);
355 extern int receive_statvfs(BOOL, int *);
356 extern void receive_swallow_smtp(void);
357 #ifdef WITH_CONTENT_SCAN
358 extern int regex(const uschar **);
359 #endif
360 extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
361 extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
362 extern void retry_add_item(address_item *, uschar *, int);
363 extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
364 uschar **, uschar **);
365 extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
366 extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
367 dbdata_retry *, time_t);
368 extern void retry_update(address_item **, address_item **, address_item **);
369 extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
370 extern uschar *rewrite_address_qualify(uschar *, BOOL);
371 extern header_line *rewrite_header(header_line *,
372 const uschar *, const uschar *,
373 rewrite_rule *, int, BOOL);
374 extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
375 rewrite_rule *);
376 extern void rewrite_test(uschar *);
377 extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
378 uschar **);
379 extern int route_address(address_item *, address_item **, address_item **,
380 address_item **, address_item **, int);
381 extern int route_check_prefix(const uschar *, const uschar *);
382 extern int route_check_suffix(const uschar *, const uschar *);
383 extern BOOL route_findgroup(uschar *, gid_t *);
384 extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
385 extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
386 uschar **);
387 extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
388 struct passwd **, uid_t *, uschar **);
389 extern void route_init(void);
390 extern void route_show_supported(FILE *);
391 extern void route_tidyup(void);
392
393 extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
394 int, int *);
395 extern int search_findtype(const uschar *, int);
396 extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
397 int *);
398 extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
399 extern void search_tidyup(void);
400 extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
401 extern void sha1_end(hctx *, const uschar *, int, uschar *);
402 extern void sha1_mid(hctx *, const uschar *);
403 extern void sha1_start(hctx *);
404 extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
405 uschar *, address_item **, uschar **);
406 extern void sigalrm_handler(int);
407 extern BOOL smtp_buffered(void);
408 extern void smtp_closedown(uschar *);
409 extern uschar *smtp_cmd_hist(void);
410 extern int smtp_connect(host_item *, int, uschar *, int,
411 transport_instance *);
412 extern int smtp_sock_connect(host_item *, int, int, uschar *,
413 transport_instance * tb, int, const blob *);
414 extern int smtp_feof(void);
415 extern int smtp_ferror(void);
416 extern uschar *smtp_get_connection_info(void);
417 extern BOOL smtp_get_interface(uschar *, int, address_item *,
418 uschar **, uschar *);
419 extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
420 extern int smtp_getc(unsigned);
421 extern uschar *smtp_getbuf(unsigned *);
422 extern void smtp_get_cache(void);
423 extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
424 extern void smtp_log_no_mail(void);
425 extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
426 extern void smtp_proxy_tls(uschar *, size_t, int *, int);
427 extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
428 extern void smtp_respond(uschar *, int, BOOL, uschar *);
429 extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
430 extern void smtp_port_for_connect(host_item *, int);
431 extern void smtp_send_prohibition_message(int, uschar *);
432 extern int smtp_setup_msg(void);
433 extern BOOL smtp_start_session(void);
434 extern int smtp_ungetc(int);
435 extern BOOL smtp_verify_helo(void);
436 extern int smtp_write_command(smtp_outblock *, int, const char *, ...) PRINTF_FUNCTION(3,4);
437 #ifdef WITH_CONTENT_SCAN
438 extern int spam(const uschar **);
439 extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
440 #endif
441 extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
442 extern uschar *spool_dname(const uschar *, uschar *);
443 extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
444 extern uschar *spool_sname(const uschar *, uschar *);
445 extern int spool_open_datafile(uschar *);
446 extern int spool_open_temp(uschar *);
447 extern int spool_read_header(uschar *, BOOL, BOOL);
448 extern int spool_write_header(uschar *, int, uschar **);
449 extern int stdin_getc(unsigned);
450 extern int stdin_feof(void);
451 extern int stdin_ferror(void);
452 extern int stdin_ungetc(int);
453 extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
454 extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
455 extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
456 extern uschar *string_base62(unsigned long int);
457 extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
458 extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
459 extern int string_compare_by_pointer(const void *, const void *);
460 extern uschar *string_copy_dnsdomain(uschar *);
461 extern uschar *string_copy_malloc(const uschar *);
462 extern uschar *string_copylc(const uschar *);
463 extern uschar *string_copynlc(uschar *, int);
464 extern uschar *string_dequote(const uschar **);
465 extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
466 extern uschar *string_format_size(int, uschar *);
467 extern uschar *string_from_gstring(gstring *);
468 extern gstring *string_get(unsigned);
469 extern int string_interpret_escape(const uschar **);
470 extern int string_is_ip_address(const uschar *, int *);
471 #ifdef SUPPORT_I18N
472 extern BOOL string_is_utf8(const uschar *);
473 #endif
474 extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
475 extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
476 extern const uschar *string_printing2(const uschar *, BOOL);
477 extern uschar *string_split_message(uschar *);
478 extern uschar *string_timediff(struct timeval *);
479 extern uschar *string_timesince(struct timeval *);
480 extern uschar *string_unprinting(uschar *);
481 #ifdef SUPPORT_I18N
482 extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
483 extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
484 extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
485 extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
486 extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
487 #endif
488 extern BOOL string_vformat(uschar *, int, const char *, va_list);
489 extern int strcmpic(const uschar *, const uschar *);
490 extern int strncmpic(const uschar *, const uschar *, int);
491 extern uschar *strstric(uschar *, uschar *, BOOL);
492
493 #ifdef EXIM_TFO_PROBE
494 extern void tfo_probe(void);
495 #endif
496 extern void timesince(struct timeval * diff, struct timeval * then);
497 extern void tls_modify_variables(tls_support *);
498 extern uschar *tod_stamp(int);
499
500 extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
501 BOOL *, oicf, void*);
502 extern void transport_init(void);
503 extern void transport_do_pass_socket(const uschar *, const uschar *,
504 const uschar *, uschar *, int);
505 extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
506 int);
507 extern uschar *transport_rcpt_address(address_item *, BOOL);
508 extern BOOL transport_set_up_command(const uschar ***, uschar *,
509 BOOL, int, address_item *, uschar *, uschar **);
510 extern void transport_update_waiting(host_item *, uschar *);
511 extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
512 extern void transport_write_reset(int);
513 extern BOOL transport_write_string(int, const char *, ...);
514 extern BOOL transport_headers_send(transport_ctx *,
515 BOOL (*)(transport_ctx *, uschar *, int));
516 extern void transport_show_supported(FILE *);
517 extern BOOL transport_write_message(transport_ctx *, int);
518 extern void tree_add_duplicate(uschar *, address_item *);
519 extern void tree_add_nonrecipient(uschar *);
520 extern void tree_add_unusable(host_item *);
521 extern int tree_insertnode(tree_node **, tree_node *);
522 extern tree_node *tree_search(tree_node *, const uschar *);
523 extern void tree_write(tree_node *, FILE *);
524 extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
525
526 #ifdef WITH_CONTENT_SCAN
527 extern void unspool_mbox(void);
528 #endif
529 #ifdef SUPPORT_I18N
530 extern void utf8_version_report(FILE *);
531 #endif
532
533 extern int verify_address(address_item *, FILE *, int, int, int, int,
534 uschar *, uschar *, BOOL *);
535 extern int verify_check_dnsbl(int, const uschar **, uschar **);
536 extern int verify_check_header_address(uschar **, uschar **, int, int, int,
537 uschar *, uschar *, int, int *);
538 extern int verify_check_headers(uschar **);
539 extern int verify_check_header_names_ascii(uschar **);
540 extern int verify_check_host(uschar **);
541 extern int verify_check_notblind(void);
542 extern int verify_check_given_host(uschar **, host_item *);
543 extern int verify_check_this_host(const uschar **, unsigned int *,
544 const uschar*, const uschar *, const uschar **);
545 extern address_item *verify_checked_sender(uschar *);
546 extern void verify_get_ident(int);
547 extern BOOL verify_sender(int *, uschar **);
548 extern BOOL verify_sender_preliminary(int *, uschar **);
549 extern void version_init(void);
550
551 extern BOOL write_chunk(transport_ctx *, uschar *, int);
552 extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
553
554
555 /* vi: aw
556 */
557 /* End of functions.h */