refactor show-supported coding
[exim.git] / src / src / functions.h
... / ...
CommitLineData
1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) University of Cambridge 1995 - 2017 */
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 gstring *call_perl_cat(gstring *, uschar **, uschar *,
17 uschar **) WARN_UNUSED_RESULT;
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_der_b64(void * cert);
43extern uschar * tls_cert_fprt_md5(void *);
44extern uschar * tls_cert_fprt_sha1(void *);
45extern uschar * tls_cert_fprt_sha256(void *);
46
47extern int tls_client_start(int, host_item *, address_item *,
48 transport_instance *,
49# ifdef EXPERIMENTAL_DANE
50 dns_answer *,
51# endif
52 uschar **);
53extern void tls_close(BOOL, BOOL);
54extern BOOL tls_could_read(void);
55extern int tls_export_cert(uschar *, size_t, void *);
56extern int tls_feof(void);
57extern int tls_ferror(void);
58extern void tls_free_cert(void **);
59extern int tls_getc(unsigned);
60extern uschar *tls_getbuf(unsigned *);
61extern void tls_get_cache(void);
62extern int tls_import_cert(const uschar *, void **);
63extern int tls_read(BOOL, uschar *, size_t);
64extern int tls_server_start(const uschar *, uschar **);
65extern BOOL tls_smtp_buffered(void);
66extern int tls_ungetc(int);
67extern int tls_write(BOOL, const uschar *, size_t, BOOL);
68extern uschar *tls_validate_require_cipher(void);
69extern void tls_version_report(FILE *);
70# ifndef USE_GNUTLS
71extern BOOL tls_openssl_options_parse(uschar *, long *);
72# endif
73extern uschar * tls_field_from_dn(uschar *, const uschar *);
74extern BOOL tls_is_name_for_cert(const uschar *, void *);
75
76# ifdef EXPERIMENTAL_DANE
77extern int tlsa_lookup(const host_item *, dns_answer *, BOOL);
78# endif
79
80#endif /*SUPPORT_TLS*/
81
82
83/* Everything else... */
84
85extern acl_block *acl_read(uschar *(*)(void), uschar **);
86extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
87extern int acl_eval(int, uschar *, uschar **, uschar **);
88
89extern tree_node *acl_var_create(uschar *);
90extern void acl_var_write(uschar *, uschar *, void *);
91extern void assert_no_variables(void *, int, const char *, int);
92extern int auth_call_pam(const uschar *, uschar **);
93extern int auth_call_pwcheck(uschar *, uschar **);
94extern int auth_call_radius(const uschar *, uschar **);
95extern int auth_call_saslauthd(const uschar *, const uschar *,
96 const uschar *, const uschar *, uschar **);
97extern int auth_check_serv_cond(auth_instance *);
98extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
99
100
101extern int auth_get_data(uschar **, uschar *, int);
102extern int auth_get_no64_data(uschar **, uschar *);
103extern void auth_show_supported(FILE *);
104extern uschar *auth_xtextencode(uschar *, int);
105extern int auth_xtextdecode(uschar *, uschar **);
106
107extern uschar *b64encode(uschar *, int);
108extern int b64decode(const uschar *, uschar **);
109extern int bdat_getc(unsigned);
110extern uschar *bdat_getbuf(unsigned *);
111extern int bdat_ungetc(int);
112extern void bdat_flush_data(void);
113
114extern void bits_clear(unsigned int *, size_t, int *);
115extern void bits_set(unsigned int *, size_t, int *);
116
117extern void cancel_cutthrough_connection(BOOL, const uschar *);
118extern int check_host(void *, const uschar *, const uschar **, uschar **);
119extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
120extern pid_t child_open_uid(const uschar **, const uschar **, int,
121 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
122extern BOOL cleanup_environment(void);
123extern void cutthrough_data_puts(uschar *, int);
124extern void cutthrough_data_put_nl(void);
125extern uschar *cutthrough_finaldot(void);
126extern BOOL cutthrough_flush_send(void);
127extern BOOL cutthrough_headers_send(void);
128extern BOOL cutthrough_predata(void);
129extern void release_cutthrough_connection(const uschar *);
130
131extern void daemon_go(void);
132
133#ifdef EXPERIMENTAL_DCC
134extern int dcc_process(uschar **);
135#endif
136
137extern void debug_logging_activate(uschar *, uschar *);
138extern void debug_logging_stop(void);
139extern void debug_print_argv(const uschar **);
140extern void debug_print_ids(uschar *);
141extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
142extern void debug_print_string(uschar *);
143extern void debug_print_tree(tree_node *);
144extern void debug_vprintf(int, const char *, va_list);
145extern void decode_bits(unsigned int *, size_t, int *,
146 uschar *, bit_table *, int, uschar *, int);
147extern address_item *deliver_make_addr(uschar *, BOOL);
148extern void deliver_init(void);
149extern void delivery_log(int, address_item *, int, uschar *);
150extern int deliver_message(uschar *, BOOL, BOOL);
151extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
152extern void deliver_set_expansions(address_item *);
153extern int deliver_split_address(address_item *);
154extern void deliver_succeeded(address_item *);
155
156extern uschar *deliver_get_sender_address (uschar *id);
157extern void delivery_re_exec(int);
158
159extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
160#ifndef DISABLE_DKIM
161extern BOOL dkim_transport_write_message(transport_ctx *,
162 struct ob_dkim *, const uschar ** errstr);
163#endif
164extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
165extern int dns_basic_lookup(dns_answer *, const uschar *, int);
166extern void dns_build_reverse(const uschar *, uschar *);
167extern void dns_init(BOOL, BOOL, BOOL);
168extern BOOL dns_is_aa(const dns_answer *);
169extern BOOL dns_is_secure(const dns_answer *);
170extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
171extern void dns_pattern_init(void);
172extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
173extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
174extern uschar *dns_text_type(int);
175extern void dscp_list_to_stream(FILE *);
176extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
177
178extern void enq_end(uschar *);
179extern BOOL enq_start(uschar *, unsigned);
180#ifndef DISABLE_EVENT
181extern uschar *event_raise(uschar *, const uschar *, uschar *);
182extern void msg_event_raise(const uschar *, const address_item *);
183#endif
184extern const uschar * exim_errstr(int);
185extern void exim_exit(int, const uschar *);
186extern void exim_nullstd(void);
187extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
188extern void exim_wait_tick(struct timeval *, int);
189extern int exp_bool(address_item *addr,
190 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
191 uschar *svalue, BOOL *rvalue);
192extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
193extern uschar *expand_string(uschar *); /* public, cannot make const */
194extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
195extern uschar *expand_hide_passwords(uschar * );
196extern uschar *expand_string_copy(const uschar *);
197extern int_eximarith_t expand_string_integer(uschar *, BOOL);
198extern void modify_variable(uschar *, void *);
199
200extern BOOL fd_ready(int, int);
201
202extern int filter_interpret(uschar *, int, address_item **, uschar **);
203extern BOOL filter_personal(string_item *, BOOL);
204extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
205extern BOOL filter_system_interpret(address_item **, uschar **);
206
207extern uschar * fn_hdrs_added(void);
208
209extern void header_add(int, const char *, ...);
210extern int header_checkname(header_line *, BOOL);
211extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
212extern int host_address_extract_port(uschar *);
213extern uschar *host_and_ident(BOOL);
214extern int host_aton(const uschar *, int *);
215extern void host_build_hostlist(host_item **, const uschar *, BOOL);
216extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
217extern void host_build_log_info(void);
218extern void host_build_sender_fullhost(void);
219extern int host_find_byname(host_item *, const uschar *, int,
220 const uschar **, BOOL);
221extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
222 uschar *, const dnssec_domains *, const uschar **, BOOL *);
223extern ip_address_item *host_find_interfaces(void);
224extern BOOL host_is_in_net(const uschar *, const uschar *, int);
225extern BOOL host_is_tls_on_connect_port(int);
226extern int host_item_get_port(host_item *);
227extern void host_mask(int, int *, int);
228extern int host_name_lookup(void);
229extern int host_nmtoa(int, int *, int, uschar *, int);
230extern uschar *host_ntoa(int, const void *, uschar *, int *);
231extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
232
233extern uschar *imap_utf7_encode(uschar *, const uschar *,
234 uschar, uschar *, uschar **);
235
236extern void invert_address(uschar *, uschar *);
237extern int ip_addr(void *, int, const uschar *, int);
238extern int ip_bind(int, int, uschar *, int);
239extern int ip_connect(int, int, const uschar *, int, int, const blob *);
240extern int ip_connectedsocket(int, const uschar *, int, int,
241 int, host_item *, uschar **, const blob *);
242extern int ip_get_address_family(int);
243extern void ip_keepalive(int, const uschar *, BOOL);
244extern int ip_recv(int, uschar *, int, int);
245extern int ip_socket(int, int);
246
247extern int ip_tcpsocket(const uschar *, uschar **, int);
248extern int ip_unixsocket(const uschar *, uschar **);
249extern int ip_streamsocket(const uschar *, uschar **, int);
250
251extern int ipv6_nmtoa(int *, uschar *);
252
253extern uschar *local_part_quote(uschar *);
254extern int log_create(uschar *);
255extern int log_create_as_exim(uschar *);
256extern void log_close_all(void);
257
258extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
259extern BOOL macro_read_assignment(uschar *);
260extern uschar *macros_expand(int, int *, BOOL *);
261extern void mainlog_close(void);
262#ifdef WITH_CONTENT_SCAN
263extern int malware(const uschar *, int);
264extern int malware_in_file(uschar *);
265extern void malware_init(void);
266#endif
267extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
268 unsigned int *, int, int, const uschar **);
269extern int match_address_list_basic(const uschar *, const uschar **, int);
270extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
271 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
272 const uschar *, const uschar **);
273extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
274 unsigned int *, int, BOOL, const uschar **);
275extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
276 const uschar **);
277extern void md5_end(md5 *, const uschar *, int, uschar *);
278extern void md5_mid(md5 *, const uschar *);
279extern void md5_start(md5 *);
280extern void millisleep(int);
281#ifdef WITH_CONTENT_SCAN
282struct mime_boundary_context;
283extern int mime_acl_check(uschar *acl, FILE *f,
284 struct mime_boundary_context *, uschar **, uschar **);
285extern int mime_decode(const uschar **);
286extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
287extern int mime_regex(const uschar **);
288extern void mime_set_anomaly(int);
289#endif
290extern uschar *moan_check_errorcopy(uschar *);
291extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
292 BOOL, uschar *);
293extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
294extern void moan_tell_someone(uschar *, address_item *,
295 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
296extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
297extern void moan_write_from(FILE *);
298extern FILE *modefopen(const uschar *, const char *, mode_t);
299
300extern int open_cutthrough_connection( address_item * addr );
301
302extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
303 BOOL);
304extern int parse_forward_list(uschar *, int, address_item **, uschar **,
305 const uschar *, uschar *, error_block **);
306extern uschar *parse_find_address_end(uschar *, BOOL);
307extern uschar *parse_find_at(uschar *);
308extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
309extern uschar *parse_message_id(uschar *, uschar **, uschar **);
310extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
311extern uschar *parse_date_time(uschar *str, time_t *t);
312extern int vaguely_random_number(int);
313#ifdef SUPPORT_TLS
314extern int vaguely_random_number_fallback(int);
315#endif
316
317extern BOOL queue_action(uschar *, int, uschar **, int, int);
318extern void queue_check_only(void);
319extern void queue_list(int, uschar **, int);
320extern void queue_count(void);
321extern void queue_run(uschar *, uschar *, BOOL);
322
323extern int random_number(int);
324extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
325 uschar *, uschar *, uschar *, ugid_block *, address_item **,
326 uschar **, error_block **, int *, uschar *);
327extern int rda_is_filter(const uschar *);
328extern BOOL readconf_depends(driver_instance *, uschar *);
329extern void readconf_driver_init(uschar *, driver_instance **,
330 driver_info *, int, void *, int, optionlist *, int);
331extern uschar *readconf_find_option(void *);
332extern void readconf_main(BOOL);
333extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
334extern void readconf_print(uschar *, uschar *, BOOL);
335extern uschar *readconf_printtime(int);
336extern uschar *readconf_readname(uschar *, int, uschar *);
337extern int readconf_readtime(const uschar *, int, BOOL);
338extern void readconf_rest(void);
339extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
340extern void readconf_save_config(const uschar *);
341extern void read_message_body(BOOL);
342extern void receive_bomb_out(uschar *, uschar *);
343extern BOOL receive_check_fs(int);
344extern BOOL receive_check_set_sender(uschar *);
345extern BOOL receive_msg(BOOL);
346extern int receive_statvfs(BOOL, int *);
347extern void receive_swallow_smtp(void);
348#ifdef WITH_CONTENT_SCAN
349extern int regex(const uschar **);
350#endif
351extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
352extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
353extern void retry_add_item(address_item *, uschar *, int);
354extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
355 uschar **, uschar **);
356extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
357extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
358 dbdata_retry *, time_t);
359extern void retry_update(address_item **, address_item **, address_item **);
360extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
361extern uschar *rewrite_address_qualify(uschar *, BOOL);
362extern header_line *rewrite_header(header_line *,
363 const uschar *, const uschar *,
364 rewrite_rule *, int, BOOL);
365extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
366 rewrite_rule *);
367extern void rewrite_test(uschar *);
368extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
369 uschar **);
370extern int route_address(address_item *, address_item **, address_item **,
371 address_item **, address_item **, int);
372extern int route_check_prefix(const uschar *, const uschar *);
373extern int route_check_suffix(const uschar *, const uschar *);
374extern BOOL route_findgroup(uschar *, gid_t *);
375extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
376extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
377 uschar **);
378extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
379 struct passwd **, uid_t *, uschar **);
380extern void route_init(void);
381extern void route_show_supported(FILE *);
382extern void route_tidyup(void);
383
384extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
385 int, int *);
386extern int search_findtype(const uschar *, int);
387extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
388 int *);
389extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
390extern void search_tidyup(void);
391extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
392extern void sha1_end(hctx *, const uschar *, int, uschar *);
393extern void sha1_mid(hctx *, const uschar *);
394extern void sha1_start(hctx *);
395extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
396 uschar *, address_item **, uschar **);
397extern void sigalrm_handler(int);
398extern BOOL smtp_buffered(void);
399extern void smtp_closedown(uschar *);
400extern uschar *smtp_cmd_hist(void);
401extern int smtp_connect(host_item *, int, uschar *, int,
402 transport_instance *);
403extern int smtp_sock_connect(host_item *, int, int, uschar *,
404 transport_instance * tb, int, const blob *);
405extern int smtp_feof(void);
406extern int smtp_ferror(void);
407extern uschar *smtp_get_connection_info(void);
408extern BOOL smtp_get_interface(uschar *, int, address_item *,
409 uschar **, uschar *);
410extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
411extern int smtp_getc(unsigned);
412extern uschar *smtp_getbuf(unsigned *);
413extern void smtp_get_cache(void);
414extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
415extern void smtp_log_no_mail(void);
416extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
417extern void smtp_proxy_tls(uschar *, size_t, int *, int);
418extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
419extern void smtp_respond(uschar *, int, BOOL, uschar *);
420extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
421extern void smtp_port_for_connect(host_item *, int);
422extern void smtp_send_prohibition_message(int, uschar *);
423extern int smtp_setup_msg(void);
424extern BOOL smtp_start_session(void);
425extern int smtp_ungetc(int);
426extern BOOL smtp_verify_helo(void);
427extern int smtp_write_command(smtp_outblock *, int, const char *, ...) PRINTF_FUNCTION(3,4);
428#ifdef WITH_CONTENT_SCAN
429extern int spam(const uschar **);
430extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
431#endif
432extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
433extern uschar *spool_dname(const uschar *, uschar *);
434extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
435extern uschar *spool_sname(const uschar *, uschar *);
436extern int spool_open_datafile(uschar *);
437extern int spool_open_temp(uschar *);
438extern int spool_read_header(uschar *, BOOL, BOOL);
439extern int spool_write_header(uschar *, int, uschar **);
440extern int stdin_getc(unsigned);
441extern int stdin_feof(void);
442extern int stdin_ferror(void);
443extern int stdin_ungetc(int);
444extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
445extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
446extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
447extern uschar *string_base62(unsigned long int);
448extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
449extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
450extern int string_compare_by_pointer(const void *, const void *);
451extern uschar *string_copy_dnsdomain(uschar *);
452extern uschar *string_copy_malloc(const uschar *);
453extern uschar *string_copylc(const uschar *);
454extern uschar *string_copynlc(uschar *, int);
455extern uschar *string_dequote(const uschar **);
456extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
457extern uschar *string_format_size(int, uschar *);
458extern uschar *string_from_gstring(gstring *);
459extern gstring *string_get(unsigned);
460extern int string_interpret_escape(const uschar **);
461extern int string_is_ip_address(const uschar *, int *);
462#ifdef SUPPORT_I18N
463extern BOOL string_is_utf8(const uschar *);
464#endif
465extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
466extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
467extern const uschar *string_printing2(const uschar *, BOOL);
468extern uschar *string_split_message(uschar *);
469extern uschar *string_timesince(struct timeval *);
470extern uschar *string_unprinting(uschar *);
471#ifdef SUPPORT_I18N
472extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
473extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
474extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
475extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
476extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
477#endif
478extern BOOL string_vformat(uschar *, int, const char *, va_list);
479extern int strcmpic(const uschar *, const uschar *);
480extern int strncmpic(const uschar *, const uschar *, int);
481extern uschar *strstric(uschar *, uschar *, BOOL);
482
483#ifdef EXIM_TFO_PROBE
484extern void tfo_probe(void);
485#endif
486extern void timesince(struct timeval * diff, struct timeval * then);
487extern void tls_modify_variables(tls_support *);
488extern uschar *tod_stamp(int);
489
490extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
491 BOOL *, oicf, void*);
492extern void transport_init(void);
493extern void transport_do_pass_socket(const uschar *, const uschar *,
494 const uschar *, uschar *, int);
495extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
496 int);
497extern uschar *transport_rcpt_address(address_item *, BOOL);
498extern BOOL transport_set_up_command(const uschar ***, uschar *,
499 BOOL, int, address_item *, uschar *, uschar **);
500extern void transport_update_waiting(host_item *, uschar *);
501extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
502extern void transport_write_reset(int);
503extern BOOL transport_write_string(int, const char *, ...);
504extern BOOL transport_headers_send(transport_ctx *,
505 BOOL (*)(transport_ctx *, uschar *, int));
506extern void transport_show_supported(FILE *);
507extern BOOL transport_write_message(transport_ctx *, int);
508extern void tree_add_duplicate(uschar *, address_item *);
509extern void tree_add_nonrecipient(uschar *);
510extern void tree_add_unusable(host_item *);
511extern int tree_insertnode(tree_node **, tree_node *);
512extern tree_node *tree_search(tree_node *, const uschar *);
513extern void tree_write(tree_node *, FILE *);
514extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
515
516#ifdef WITH_CONTENT_SCAN
517extern void unspool_mbox(void);
518#endif
519#ifdef SUPPORT_I18N
520extern void utf8_version_report(FILE *);
521#endif
522
523extern int verify_address(address_item *, FILE *, int, int, int, int,
524 uschar *, uschar *, BOOL *);
525extern int verify_check_dnsbl(int, const uschar **, uschar **);
526extern int verify_check_header_address(uschar **, uschar **, int, int, int,
527 uschar *, uschar *, int, int *);
528extern int verify_check_headers(uschar **);
529extern int verify_check_header_names_ascii(uschar **);
530extern int verify_check_host(uschar **);
531extern int verify_check_notblind(void);
532extern int verify_check_given_host(uschar **, host_item *);
533extern int verify_check_this_host(const uschar **, unsigned int *,
534 const uschar*, const uschar *, const uschar **);
535extern address_item *verify_checked_sender(uschar *);
536extern void verify_get_ident(int);
537extern BOOL verify_sender(int *, uschar **);
538extern BOOL verify_sender_preliminary(int *, uschar **);
539extern void version_init(void);
540
541extern BOOL write_chunk(transport_ctx *, uschar *, int);
542extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
543
544
545/* vi: aw
546*/
547/* End of functions.h */