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Make smtp_receive_timeout main option expanded. Bug 564
[exim.git] / src / src / functions.h
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CommitLineData
1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) University of Cambridge 1995 - 2014 */
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
16extern uschar *call_perl_cat(uschar *, int *, int *, uschar **, uschar *,
17 uschar **);
18extern void cleanup_perl(void);
19extern uschar *init_perl(uschar *);
20#endif
21
22
23#ifdef SUPPORT_TLS
24extern const char *
25 std_dh_prime_default(void);
26extern const char *
27 std_dh_prime_named(const uschar *);
28
29extern uschar * tls_cert_crl_uri(void *, uschar * mod);
30extern uschar * tls_cert_ext_by_oid(void *, uschar *, int);
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);
41
42extern uschar * tls_cert_fprt_md5(void *);
43extern uschar * tls_cert_fprt_sha1(void *);
44extern uschar * tls_cert_fprt_sha256(void *);
45
46extern int tls_client_start(int, host_item *, address_item *,
47 transport_instance *
48#ifdef EXPERIMENTAL_DANE
49 , dns_answer *
50#endif
51 );
52extern void tls_close(BOOL, BOOL);
53extern int tls_export_cert(uschar *, size_t, void *);
54extern int tls_feof(void);
55extern int tls_ferror(void);
56extern void tls_free_cert(void *);
57extern int tls_getc(void);
58extern int tls_import_cert(const uschar *, void **);
59extern int tls_read(BOOL, uschar *, size_t);
60extern int tls_server_start(const uschar *);
61extern BOOL tls_smtp_buffered(void);
62extern int tls_ungetc(int);
63extern int tls_write(BOOL, const uschar *, size_t);
64extern uschar *tls_validate_require_cipher(void);
65extern void tls_version_report(FILE *);
66# ifndef USE_GNUTLS
67extern BOOL tls_openssl_options_parse(uschar *, long *);
68# endif
69extern uschar * tls_field_from_dn(uschar *, uschar *);
70extern BOOL tls_is_name_for_cert(uschar *, void *);
71
72# ifdef EXPERIMENTAL_DANE
73extern int tlsa_lookup(const host_item *, dns_answer *, BOOL, BOOL *);
74# endif
75
76#endif /*SUPPORT_TLS*/
77
78
79/* Everything else... */
80
81extern acl_block *acl_read(uschar *(*)(void), uschar **);
82extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
83extern int acl_eval(int, uschar *, uschar **, uschar **);
84
85extern tree_node *acl_var_create(uschar *);
86extern void acl_var_write(uschar *, uschar *, void *);
87extern uschar *auth_b64encode(uschar *, int);
88extern int auth_b64decode(uschar *, uschar **);
89extern int auth_call_pam(uschar *, uschar **);
90extern int auth_call_pwcheck(uschar *, uschar **);
91extern int auth_call_radius(uschar *, uschar **);
92extern int auth_call_saslauthd(uschar *, uschar *, uschar *, uschar *,
93 uschar **);
94extern int auth_check_serv_cond(auth_instance *);
95extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
96
97extern int auth_get_data(uschar **, uschar *, int);
98extern int auth_get_no64_data(uschar **, uschar *);
99extern uschar *auth_xtextencode(uschar *, int);
100extern int auth_xtextdecode(uschar *, uschar **);
101
102extern void cancel_cutthrough_connection(const char *);
103extern int check_host(void *, uschar *, uschar **, uschar **);
104extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
105extern pid_t child_open_uid(uschar **, uschar **, int, uid_t *, gid_t *,
106 int *, int *, uschar *, BOOL);
107extern uschar *cutthrough_finaldot(void);
108extern BOOL cutthrough_flush_send(void);
109extern BOOL cutthrough_headers_send(void);
110extern BOOL cutthrough_predata(void);
111extern BOOL cutthrough_puts(uschar *, int);
112extern BOOL cutthrough_put_nl(void);
113
114extern void daemon_go(void);
115
116#ifdef EXPERIMENTAL_DCC
117extern int dcc_process(uschar **);
118#endif
119
120extern void debug_logging_activate(uschar *, uschar *);
121extern void debug_print_argv(uschar **);
122extern void debug_print_ids(uschar *);
123extern void debug_print_string(uschar *);
124extern void debug_print_tree(tree_node *);
125extern void debug_vprintf(const char *, va_list);
126extern void decode_bits(unsigned int *, unsigned int *,
127 int, int, uschar *, bit_table *, int, uschar *, int);
128extern address_item *deliver_make_addr(uschar *, BOOL);
129extern void deliver_init(void);
130extern void delivery_log(int, address_item *, int, uschar *);
131extern int deliver_message(uschar *, BOOL, BOOL);
132extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
133extern void deliver_set_expansions(address_item *);
134extern int deliver_split_address(address_item *);
135extern void deliver_succeeded(address_item *);
136#ifdef WITH_OLD_DEMIME
137extern int demime(uschar **);
138#endif
139extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
140#ifndef DISABLE_DKIM
141extern BOOL dkim_transport_write_message(address_item *, int, int,
142 int, uschar *, uschar *, uschar *, uschar *, rewrite_rule *,
143 int, uschar *, uschar *, uschar *, uschar *, uschar *, uschar *);
144#endif
145extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
146extern int dns_basic_lookup(dns_answer *, const uschar *, int);
147extern void dns_build_reverse(uschar *, uschar *);
148extern void dns_init(BOOL, BOOL, BOOL);
149extern BOOL dns_is_secure(const dns_answer *);
150extern int dns_lookup(dns_answer *, const uschar *, int, uschar **);
151extern void dns_pattern_init(void);
152extern int dns_special_lookup(dns_answer *, const uschar *, int, uschar **);
153extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
154extern uschar *dns_text_type(int);
155extern void dscp_list_to_stream(FILE *);
156extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
157
158extern void enq_end(uschar *);
159extern BOOL enq_start(uschar *);
160#ifdef EXPERIMENTAL_EVENT
161extern uschar *event_raise(uschar *, uschar *, uschar *);
162#endif
163extern void exim_exit(int);
164extern void exim_nullstd(void);
165extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
166extern int exim_tvcmp(struct timeval *, struct timeval *);
167extern void exim_wait_tick(struct timeval *, int);
168extern int exp_bool(address_item *addr,
169 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
170 uschar *svalue, BOOL *rvalue);
171extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
172extern uschar *expand_string(uschar *);
173extern uschar *expand_string_copy(uschar *);
174extern int_eximarith_t expand_string_integer(uschar *, BOOL);
175extern void modify_variable(uschar *, void *);
176
177extern BOOL fd_ready(int, int);
178
179extern int filter_interpret(uschar *, int, address_item **, uschar **);
180extern BOOL filter_personal(string_item *, BOOL);
181extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
182extern BOOL filter_system_interpret(address_item **, uschar **);
183
184extern uschar * fn_hdrs_added(void);
185
186extern void header_add(int, const char *, ...);
187extern int header_checkname(header_line *, BOOL);
188extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
189extern int host_address_extract_port(uschar *);
190extern uschar *host_and_ident(BOOL);
191extern int host_aton(uschar *, int *);
192extern void host_build_hostlist(host_item **, uschar *, BOOL);
193extern ip_address_item *host_build_ifacelist(uschar *, uschar *);
194extern void host_build_log_info(void);
195extern void host_build_sender_fullhost(void);
196extern BOOL host_find_byname(host_item *, uschar *, int, uschar **, BOOL);
197extern int host_find_bydns(host_item *, uschar *, int, uschar *, uschar *,
198 uschar *, uschar *, uschar *, uschar **, BOOL *);
199extern ip_address_item *host_find_interfaces(void);
200extern BOOL host_is_in_net(uschar *, uschar *, int);
201extern BOOL host_is_tls_on_connect_port(int);
202extern int host_item_get_port(host_item *);
203extern void host_mask(int, int *, int);
204extern int host_name_lookup(void);
205extern int host_nmtoa(int, int *, int, uschar *, int);
206extern uschar *host_ntoa(int, const void *, uschar *, int *);
207extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
208
209extern void invert_address(uschar *, uschar *);
210extern int ip_bind(int, int, uschar *, int);
211extern int ip_connect(int, int, const uschar *, int, int);
212extern int ip_connectedsocket(int, const uschar *, int, int,
213 int, host_item *, uschar **);
214extern int ip_get_address_family(int);
215extern void ip_keepalive(int, uschar *, BOOL);
216extern int ip_recv(int, uschar *, int, int);
217extern int ip_socket(int, int);
218
219extern uschar *local_part_quote(uschar *);
220extern int log_create(uschar *);
221extern int log_create_as_exim(uschar *);
222extern void log_close_all(void);
223
224#ifdef WITH_CONTENT_SCAN
225extern int malware(const uschar *, int);
226extern int malware_in_file(uschar *);
227extern void malware_init(void);
228#endif
229extern int match_address_list(uschar *, BOOL, BOOL, uschar **,
230 unsigned int *, int, int, uschar **);
231extern int match_check_list(uschar **, int, tree_node **, unsigned int **,
232 int(*)(void *, uschar *, uschar **, uschar **), void *, int,
233 const uschar *, uschar **);
234extern int match_isinlist(const uschar *, uschar **, int, tree_node **,
235 unsigned int *, int, BOOL, uschar **);
236extern int match_check_string(uschar *, uschar *, int, BOOL, BOOL, BOOL,
237 uschar **);
238extern void md5_end(md5 *, const uschar *, int, uschar *);
239extern void md5_mid(md5 *, const uschar *);
240extern void md5_start(md5 *);
241extern void millisleep(int);
242#ifdef WITH_CONTENT_SCAN
243struct mime_boundary_context;
244extern int mime_acl_check(uschar *acl, FILE *f,
245 struct mime_boundary_context *, uschar **, uschar **);
246extern int mime_decode(uschar **);
247extern int mime_regex(uschar **);
248#endif
249extern uschar *moan_check_errorcopy(uschar *);
250extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
251 BOOL, uschar *);
252extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
253extern void moan_tell_someone(uschar *, address_item *,
254 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
255extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
256extern void moan_write_from(FILE *);
257extern FILE *modefopen(const uschar *, const char *, mode_t);
258
259extern void open_cutthrough_connection( address_item * addr );
260
261extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
262 BOOL);
263extern int parse_forward_list(uschar *, int, address_item **, uschar **,
264 uschar *, uschar *, error_block **);
265extern uschar *parse_find_address_end(uschar *, BOOL);
266extern uschar *parse_find_at(uschar *);
267extern uschar *parse_fix_phrase(uschar *, int, uschar *, int);
268extern uschar *parse_message_id(uschar *, uschar **, uschar **);
269extern uschar *parse_quote_2047(uschar *, int, uschar *, uschar *, int, BOOL);
270extern uschar *parse_date_time(uschar *str, time_t *t);
271extern int vaguely_random_number(int);
272#ifdef SUPPORT_TLS
273extern int vaguely_random_number_fallback(int);
274#endif
275
276extern BOOL queue_action(uschar *, int, uschar **, int, int);
277extern void queue_check_only(void);
278extern void queue_list(int, uschar **, int);
279extern void queue_count(void);
280extern void queue_run(uschar *, uschar *, BOOL);
281
282extern int random_number(int);
283extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
284 uschar *, uschar *, uschar *, ugid_block *, address_item **,
285 uschar **, error_block **, int *, uschar *);
286extern int rda_is_filter(const uschar *);
287extern BOOL readconf_depends(driver_instance *, uschar *);
288extern void readconf_driver_init(uschar *, driver_instance **,
289 driver_info *, int, void *, int, optionlist *, int);
290extern uschar *readconf_find_option(void *);
291extern void readconf_main(void);
292extern void readconf_print(uschar *, uschar *, BOOL);
293extern uschar *readconf_printtime(int);
294extern uschar *readconf_readname(uschar *, int, uschar *);
295extern int readconf_readtime(const uschar *, int, BOOL);
296extern void readconf_rest();
297extern uschar *readconf_retry_error(uschar *, uschar *, int *, int *);
298extern void read_message_body(BOOL);
299extern void receive_bomb_out(uschar *, uschar *);
300extern BOOL receive_check_fs(int);
301extern BOOL receive_check_set_sender(uschar *);
302extern BOOL receive_msg(BOOL);
303extern int receive_statvfs(BOOL, int *);
304extern void receive_swallow_smtp(void);
305#ifdef WITH_CONTENT_SCAN
306extern int regex(uschar **);
307#endif
308extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
309extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
310extern void retry_add_item(address_item *, uschar *, int);
311extern BOOL retry_check_address(uschar *, host_item *, uschar *, BOOL,
312 uschar **, uschar **);
313extern retry_config *retry_find_config(uschar *, uschar *, int, int);
314extern BOOL retry_ultimate_address_timeout(uschar *, uschar *,
315 dbdata_retry *, time_t);
316extern void retry_update(address_item **, address_item **, address_item **);
317extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
318extern uschar *rewrite_address_qualify(uschar *, BOOL);
319extern header_line *rewrite_header(header_line *, uschar *, uschar *,
320 rewrite_rule *, int, BOOL);
321extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
322 rewrite_rule *);
323extern void rewrite_test(uschar *);
324extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
325 uschar **);
326extern int route_address(address_item *, address_item **, address_item **,
327 address_item **, address_item **, int);
328extern int route_check_prefix(uschar *, uschar *);
329extern int route_check_suffix(uschar *, uschar *);
330extern BOOL route_findgroup(uschar *, gid_t *);
331extern BOOL route_finduser(uschar *, struct passwd **, uid_t *);
332extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
333 uschar **);
334extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
335 struct passwd **, uid_t *, uschar **);
336extern void route_init(void);
337extern void route_tidyup(void);
338
339extern uschar *search_find(void *, uschar *, uschar *, int, uschar *, int,
340 int, int *);
341extern int search_findtype(uschar *, int);
342extern int search_findtype_partial(uschar *, int *, uschar **, int *,
343 int *);
344extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
345extern void search_tidyup(void);
346extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
347extern void sha1_end(sha1 *, const uschar *, int, uschar *);
348extern void sha1_mid(sha1 *, const uschar *);
349extern void sha1_start(sha1 *);
350extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
351 uschar *, address_item **, uschar **);
352extern void sigalrm_handler(int);
353extern BOOL smtp_buffered(void);
354extern void smtp_closedown(uschar *);
355extern int smtp_connect(host_item *, int, int, uschar *, int, BOOL, const uschar *
356#ifdef EXPERIMENTAL_EVENT
357 , uschar *
358#endif
359 );
360extern int smtp_feof(void);
361extern int smtp_ferror(void);
362extern uschar *smtp_get_connection_info(void);
363extern BOOL smtp_get_interface(uschar *, int, address_item *, BOOL *,
364 uschar **, uschar *);
365extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
366extern int smtp_getc(void);
367extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
368extern void smtp_log_no_mail(void);
369extern void smtp_message_code(uschar **, int *, uschar **, uschar **);
370extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
371extern void smtp_respond(uschar *, int, BOOL, uschar *);
372extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
373extern void smtp_send_prohibition_message(int, uschar *);
374extern int smtp_setup_msg(void);
375extern BOOL smtp_start_session(void);
376extern int smtp_ungetc(int);
377extern BOOL smtp_verify_helo(void);
378extern int smtp_write_command(smtp_outblock *, BOOL, const char *, ...) PRINTF_FUNCTION(3,4);
379#ifdef WITH_CONTENT_SCAN
380extern int spam(uschar **);
381extern FILE *spool_mbox(unsigned long *, const uschar *);
382#endif
383extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
384extern BOOL spool_open_datafile(uschar *);
385extern int spool_open_temp(uschar *);
386extern int spool_read_header(uschar *, BOOL, BOOL);
387extern int spool_write_header(uschar *, int, uschar **);
388extern int stdin_getc(void);
389extern int stdin_feof(void);
390extern int stdin_ferror(void);
391extern int stdin_ungetc(int);
392extern uschar *string_append(uschar *, int *, int *, int, ...);
393extern uschar *string_append_listele(uschar *, uschar, const uschar *);
394extern uschar *string_base62(unsigned long int);
395extern uschar *string_cat(uschar *, int *, int *, const uschar *, int);
396extern uschar *string_copy_dnsdomain(uschar *);
397extern uschar *string_copy_malloc(uschar *);
398extern uschar *string_copylc(const uschar *);
399extern uschar *string_copynlc(uschar *, int);
400extern uschar *string_dequote(uschar **);
401extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
402extern uschar *string_format_size(int, uschar *);
403extern int string_interpret_escape(uschar **);
404extern int string_is_ip_address(const uschar *, int *);
405extern uschar *string_log_address(address_item *, BOOL, BOOL);
406extern uschar *string_nextinlist(uschar **, int *, uschar *, int);
407extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
408extern uschar *string_printing2(uschar *, BOOL);
409extern uschar *string_split_message(uschar *);
410extern uschar *string_unprinting(uschar *);
411extern BOOL string_vformat(uschar *, int, const char *, va_list);
412extern int strcmpic(const uschar *, const uschar *);
413extern int strncmpic(const uschar *, const uschar *, int);
414extern uschar *strstric(uschar *, uschar *, BOOL);
415
416extern uschar *tod_stamp(int);
417
418extern void tls_modify_variables(tls_support *);
419extern BOOL transport_check_waiting(uschar *, uschar *, int, uschar *,
420 BOOL *);
421extern void transport_init(void);
422extern BOOL transport_pass_socket(uschar *, uschar *, uschar *, uschar *,
423 int);
424extern uschar *transport_rcpt_address(address_item *, BOOL);
425extern BOOL transport_set_up_command(uschar ***, uschar *, BOOL, int,
426 address_item *, uschar *, uschar **);
427extern void transport_update_waiting(host_item *, uschar *);
428extern BOOL transport_write_block(int, uschar *, int);
429extern BOOL transport_write_string(int, const char *, ...);
430extern BOOL transport_headers_send(address_item *, int, uschar *, uschar *,
431 BOOL (*)(int, uschar *, int, BOOL), BOOL, rewrite_rule *, int);
432extern BOOL transport_write_message(address_item *, int, int, int, uschar *,
433 uschar *, uschar *, uschar *, rewrite_rule *, int);
434extern void tree_add_duplicate(uschar *, address_item *);
435extern void tree_add_nonrecipient(uschar *);
436extern void tree_add_unusable(host_item *);
437extern int tree_insertnode(tree_node **, tree_node *);
438extern tree_node *tree_search(tree_node *, uschar *);
439extern void tree_write(tree_node *, FILE *);
440extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
441
442#ifdef WITH_CONTENT_SCAN
443extern void unspool_mbox(void);
444#endif
445
446extern int verify_address(address_item *, FILE *, int, int, int, int,
447 uschar *, uschar *, BOOL *);
448extern int verify_check_dnsbl(uschar **);
449extern int verify_check_header_address(uschar **, uschar **, int, int, int,
450 uschar *, uschar *, int, int *);
451extern int verify_check_headers(uschar **);
452extern int verify_check_header_names_ascii(uschar **);
453extern int verify_check_host(uschar **);
454extern int verify_check_notblind(void);
455extern int verify_check_given_host(uschar **, host_item *);
456extern int verify_check_this_host(uschar **, unsigned int *, uschar*,
457 uschar *, uschar **);
458extern address_item *verify_checked_sender(uschar *);
459extern void verify_get_ident(int);
460extern BOOL verify_sender(int *, uschar **);
461extern BOOL verify_sender_preliminary(int *, uschar **);
462extern void version_init(void);
463
464extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
465
466/* vi: aw
467*/
468/* End of functions.h */
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