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Queuefile: avoid using buffered I/O - no point for a block-copy
[exim.git] / src / src / functions.h
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) University of Cambridge 1995 - 2016 */
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_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 );
53extern void tls_close(BOOL, BOOL);
54extern int tls_export_cert(uschar *, size_t, void *);
55extern int tls_feof(void);
56extern int tls_ferror(void);
57extern void tls_free_cert(void **);
58extern int tls_getc(void);
59extern void tls_get_cache(void);
60extern int tls_import_cert(const uschar *, void **);
61extern int tls_read(BOOL, uschar *, size_t);
62extern int tls_server_start(const uschar *);
63extern BOOL tls_smtp_buffered(void);
64extern int tls_ungetc(int);
65extern int tls_write(BOOL, const uschar *, size_t);
66extern uschar *tls_validate_require_cipher(void);
67extern void tls_version_report(FILE *);
68# ifndef USE_GNUTLS
69extern BOOL tls_openssl_options_parse(uschar *, long *);
70# endif
71extern uschar * tls_field_from_dn(uschar *, const uschar *);
72extern BOOL tls_is_name_for_cert(const uschar *, void *);
73
74# ifdef EXPERIMENTAL_DANE
75extern int tlsa_lookup(const host_item *, dns_answer *, BOOL);
76# endif
77
78#endif /*SUPPORT_TLS*/
79
80
81/* Everything else... */
82
83extern acl_block *acl_read(uschar *(*)(void), uschar **);
84extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
85extern int acl_eval(int, uschar *, uschar **, uschar **);
86
87extern tree_node *acl_var_create(uschar *);
88extern void acl_var_write(uschar *, uschar *, void *);
89extern int auth_call_pam(const uschar *, uschar **);
90extern int auth_call_pwcheck(uschar *, uschar **);
91extern int auth_call_radius(const uschar *, uschar **);
92extern int auth_call_saslauthd(const uschar *, const uschar *,
93 const uschar *, const uschar *, 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 uschar *b64encode(uschar *, int);
103extern int b64decode(uschar *, uschar **);
104extern int bdat_getc(void);
105extern void bits_clear(unsigned int *, size_t, int *);
106extern void bits_set(unsigned int *, size_t, int *);
107
108extern void cancel_cutthrough_connection(const char *);
109extern int check_host(void *, const uschar *, const uschar **, uschar **);
110extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
111extern pid_t child_open_uid(const uschar **, const uschar **, int,
112 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
113extern BOOL cleanup_environment(void);
114extern uschar *cutthrough_finaldot(void);
115extern BOOL cutthrough_flush_send(void);
116extern BOOL cutthrough_headers_send(void);
117extern BOOL cutthrough_predata(void);
118extern BOOL cutthrough_puts(uschar *, int);
119extern BOOL cutthrough_put_nl(void);
120
121extern void daemon_go(void);
122
123#ifdef EXPERIMENTAL_DCC
124extern int dcc_process(uschar **);
125#endif
126
127extern void debug_logging_activate(uschar *, uschar *);
128extern void debug_logging_stop(void);
129extern void debug_print_argv(const uschar **);
130extern void debug_print_ids(uschar *);
131extern void debug_print_string(uschar *);
132extern void debug_print_tree(tree_node *);
133extern void debug_vprintf(const char *, va_list);
134extern void decode_bits(unsigned int *, size_t, int *,
135 uschar *, bit_table *, int, uschar *, int);
136extern address_item *deliver_make_addr(uschar *, BOOL);
137extern void deliver_init(void);
138extern void delivery_log(int, address_item *, int, uschar *);
139extern int deliver_message(uschar *, BOOL, BOOL);
140extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
141extern void deliver_set_expansions(address_item *);
142extern int deliver_split_address(address_item *);
143extern void deliver_succeeded(address_item *);
144
145extern uschar *deliver_get_sender_address (uschar *id);
146
147extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
148#ifndef DISABLE_DKIM
149extern BOOL dkim_transport_write_message(int, transport_ctx *,
150 struct ob_dkim *);
151#endif
152extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
153extern int dns_basic_lookup(dns_answer *, const uschar *, int);
154extern void dns_build_reverse(const uschar *, uschar *);
155extern void dns_init(BOOL, BOOL, BOOL);
156extern BOOL dns_is_aa(const dns_answer *);
157extern BOOL dns_is_secure(const dns_answer *);
158extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
159extern void dns_pattern_init(void);
160extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
161extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
162extern uschar *dns_text_type(int);
163extern void dscp_list_to_stream(FILE *);
164extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
165
166extern void enq_end(uschar *);
167extern BOOL enq_start(uschar *, unsigned);
168#ifndef DISABLE_EVENT
169extern uschar *event_raise(uschar *, const uschar *, uschar *);
170extern void msg_event_raise(const uschar *, const address_item *);
171#endif
172extern uschar ehlo_response(uschar *, size_t, uschar);
173extern const uschar * exim_errstr(int);
174extern void exim_exit(int);
175extern void exim_nullstd(void);
176extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
177extern int exim_tvcmp(struct timeval *, struct timeval *);
178extern void exim_wait_tick(struct timeval *, int);
179extern int exp_bool(address_item *addr,
180 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
181 uschar *svalue, BOOL *rvalue);
182extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
183extern uschar *expand_string(uschar *); /* public, cannot make const */
184extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
185extern uschar *expand_hide_passwords(uschar * );
186extern uschar *expand_string_copy(const uschar *);
187extern int_eximarith_t expand_string_integer(uschar *, BOOL);
188extern void modify_variable(uschar *, void *);
189
190extern BOOL fd_ready(int, int);
191
192extern int filter_interpret(uschar *, int, address_item **, uschar **);
193extern BOOL filter_personal(string_item *, BOOL);
194extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
195extern BOOL filter_system_interpret(address_item **, uschar **);
196
197extern uschar * fn_hdrs_added(void);
198
199extern void header_add(int, const char *, ...);
200extern int header_checkname(header_line *, BOOL);
201extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
202extern int host_address_extract_port(uschar *);
203extern uschar *host_and_ident(BOOL);
204extern int host_aton(const uschar *, int *);
205extern void host_build_hostlist(host_item **, const uschar *, BOOL);
206extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
207extern void host_build_log_info(void);
208extern void host_build_sender_fullhost(void);
209extern int host_find_byname(host_item *, const uschar *, int,
210 const uschar **, BOOL);
211extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
212 uschar *, const dnssec_domains *, const uschar **, BOOL *);
213extern ip_address_item *host_find_interfaces(void);
214extern BOOL host_is_in_net(const uschar *, const uschar *, int);
215extern BOOL host_is_tls_on_connect_port(int);
216extern int host_item_get_port(host_item *);
217extern void host_mask(int, int *, int);
218extern int host_name_lookup(void);
219extern int host_nmtoa(int, int *, int, uschar *, int);
220extern uschar *host_ntoa(int, const void *, uschar *, int *);
221extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
222
223extern uschar *imap_utf7_encode(uschar *, const uschar *,
224 uschar, uschar *, uschar **);
225
226extern void invert_address(uschar *, uschar *);
227extern int ip_addr(void *, int, const uschar *, int);
228extern int ip_bind(int, int, uschar *, int);
229extern int ip_connect(int, int, const uschar *, int, int);
230extern int ip_connectedsocket(int, const uschar *, int, int,
231 int, host_item *, uschar **);
232extern int ip_get_address_family(int);
233extern void ip_keepalive(int, const uschar *, BOOL);
234extern int ip_recv(int, uschar *, int, int);
235extern int ip_socket(int, int);
236
237extern int ip_tcpsocket(const uschar *, uschar **, int);
238extern int ip_unixsocket(const uschar *, uschar **);
239extern int ip_streamsocket(const uschar *, uschar **, int);
240
241extern int ipv6_nmtoa(int *, uschar *);
242
243extern uschar *local_part_quote(uschar *);
244extern int log_create(uschar *);
245extern int log_create_as_exim(uschar *);
246extern void log_close_all(void);
247
248extern macro_item * macro_create(const uschar *, const uschar *, BOOL, BOOL);
249extern void mainlog_close(void);
250#ifdef WITH_CONTENT_SCAN
251extern int malware(const uschar *, int);
252extern int malware_in_file(uschar *);
253extern void malware_init(void);
254#endif
255extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
256 unsigned int *, int, int, const uschar **);
257extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
258 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
259 const uschar *, const uschar **);
260extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
261 unsigned int *, int, BOOL, const uschar **);
262extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
263 const uschar **);
264extern void md5_end(md5 *, const uschar *, int, uschar *);
265extern void md5_mid(md5 *, const uschar *);
266extern void md5_start(md5 *);
267extern void millisleep(int);
268#ifdef WITH_CONTENT_SCAN
269struct mime_boundary_context;
270extern int mime_acl_check(uschar *acl, FILE *f,
271 struct mime_boundary_context *, uschar **, uschar **);
272extern int mime_decode(const uschar **);
273extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
274extern int mime_regex(const uschar **);
275extern void mime_set_anomaly(int);
276#endif
277extern uschar *moan_check_errorcopy(uschar *);
278extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
279 BOOL, uschar *);
280extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
281extern void moan_tell_someone(uschar *, address_item *,
282 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
283extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
284extern void moan_write_from(FILE *);
285extern FILE *modefopen(const uschar *, const char *, mode_t);
286
287extern int open_cutthrough_connection( address_item * addr );
288
289extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
290 BOOL);
291extern int parse_forward_list(uschar *, int, address_item **, uschar **,
292 const uschar *, uschar *, error_block **);
293extern uschar *parse_find_address_end(uschar *, BOOL);
294extern uschar *parse_find_at(uschar *);
295extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
296extern uschar *parse_message_id(uschar *, uschar **, uschar **);
297extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
298extern uschar *parse_date_time(uschar *str, time_t *t);
299extern int vaguely_random_number(int);
300#ifdef SUPPORT_TLS
301extern int vaguely_random_number_fallback(int);
302#endif
303
304extern BOOL queue_action(uschar *, int, uschar **, int, int);
305extern void queue_check_only(void);
306extern void queue_list(int, uschar **, int);
307extern void queue_count(void);
308extern void queue_run(uschar *, uschar *, BOOL);
309
310extern int random_number(int);
311extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
312 uschar *, uschar *, uschar *, ugid_block *, address_item **,
313 uschar **, error_block **, int *, uschar *);
314extern int rda_is_filter(const uschar *);
315extern BOOL readconf_depends(driver_instance *, uschar *);
316extern void readconf_driver_init(uschar *, driver_instance **,
317 driver_info *, int, void *, int, optionlist *, int);
318extern uschar *readconf_find_option(void *);
319extern void readconf_main(BOOL);
320extern void readconf_options_from_list(optionlist *, unsigned, uschar *);
321extern void readconf_options_routers(void);
322extern void readconf_options_transports(void);
323extern void readconf_print(uschar *, uschar *, BOOL);
324extern uschar *readconf_printtime(int);
325extern uschar *readconf_readname(uschar *, int, uschar *);
326extern int readconf_readtime(const uschar *, int, BOOL);
327extern void readconf_rest(void);
328extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
329extern void readconf_save_config(const uschar *);
330extern void read_message_body(BOOL);
331extern void receive_bomb_out(uschar *, uschar *);
332extern BOOL receive_check_fs(int);
333extern BOOL receive_check_set_sender(uschar *);
334extern BOOL receive_msg(BOOL);
335extern int receive_statvfs(BOOL, int *);
336extern void receive_swallow_smtp(void);
337#ifdef WITH_CONTENT_SCAN
338extern int regex(const uschar **);
339#endif
340extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
341extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
342extern void retry_add_item(address_item *, uschar *, int);
343extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
344 uschar **, uschar **);
345extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
346extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
347 dbdata_retry *, time_t);
348extern void retry_update(address_item **, address_item **, address_item **);
349extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
350extern uschar *rewrite_address_qualify(uschar *, BOOL);
351extern header_line *rewrite_header(header_line *,
352 const uschar *, const uschar *,
353 rewrite_rule *, int, BOOL);
354extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
355 rewrite_rule *);
356extern void rewrite_test(uschar *);
357extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
358 uschar **);
359extern int route_address(address_item *, address_item **, address_item **,
360 address_item **, address_item **, int);
361extern int route_check_prefix(const uschar *, const uschar *);
362extern int route_check_suffix(const uschar *, const uschar *);
363extern BOOL route_findgroup(uschar *, gid_t *);
364extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
365extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
366 uschar **);
367extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
368 struct passwd **, uid_t *, uschar **);
369extern void route_init(void);
370extern void route_tidyup(void);
371
372extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
373 int, int *);
374extern int search_findtype(const uschar *, int);
375extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
376 int *);
377extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
378extern void search_tidyup(void);
379extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
380extern void sha1_end(hctx *, const uschar *, int, uschar *);
381extern void sha1_mid(hctx *, const uschar *);
382extern void sha1_start(hctx *);
383extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
384 uschar *, address_item **, uschar **);
385extern void sigalrm_handler(int);
386extern BOOL smtp_buffered(void);
387extern void smtp_closedown(uschar *);
388extern int smtp_connect(host_item *, int, int, uschar *, int,
389 transport_instance *);
390extern int smtp_sock_connect(host_item *, int, int, uschar *,
391 transport_instance * tb, int);
392extern int smtp_feof(void);
393extern int smtp_ferror(void);
394extern uschar *smtp_get_connection_info(void);
395extern BOOL smtp_get_interface(uschar *, int, address_item *,
396 uschar **, uschar *);
397extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
398extern int smtp_getc(void);
399extern void smtp_get_cache(void);
400extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
401extern void smtp_log_no_mail(void);
402extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
403extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
404extern void smtp_respond(uschar *, int, BOOL, uschar *);
405extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
406extern void smtp_send_prohibition_message(int, uschar *);
407extern int smtp_setup_msg(void);
408extern BOOL smtp_start_session(void);
409extern int smtp_ungetc(int);
410extern BOOL smtp_verify_helo(void);
411extern int smtp_write_command(smtp_outblock *, BOOL, const char *, ...) PRINTF_FUNCTION(3,4);
412#ifdef WITH_CONTENT_SCAN
413extern int spam(const uschar **);
414extern FILE *spool_mbox(unsigned long *, const uschar *);
415#endif
416extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
417extern uschar *spool_dname(const uschar *, uschar *);
418extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
419extern uschar *spool_sname(const uschar *, uschar *);
420extern int spool_open_datafile(uschar *);
421extern int spool_open_temp(uschar *);
422extern int spool_read_header(uschar *, BOOL, BOOL);
423extern int spool_write_header(uschar *, int, uschar **);
424extern int stdin_getc(void);
425extern int stdin_feof(void);
426extern int stdin_ferror(void);
427extern int stdin_ungetc(int);
428extern uschar *string_append(uschar *, int *, int *, int, ...);
429extern uschar *string_append_listele(uschar *, uschar, const uschar *);
430extern uschar *string_append_listele_n(uschar *, uschar, const uschar *, unsigned);
431extern uschar *string_base62(unsigned long int);
432extern uschar *string_cat(uschar *, int *, int *, const uschar *);
433extern uschar *string_catn(uschar *, int *, int *, const uschar *, int);
434extern int string_compare_by_pointer(const void *, const void *);
435extern uschar *string_copy_dnsdomain(uschar *);
436extern uschar *string_copy_malloc(const uschar *);
437extern uschar *string_copylc(const uschar *);
438extern uschar *string_copynlc(uschar *, int);
439extern uschar *string_dequote(const uschar **);
440extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
441extern uschar *string_format_size(int, uschar *);
442extern int string_interpret_escape(const uschar **);
443extern int string_is_ip_address(const uschar *, int *);
444#ifdef SUPPORT_I18N
445extern BOOL string_is_utf8(const uschar *);
446#endif
447extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
448extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
449extern const uschar *string_printing2(const uschar *, BOOL);
450extern uschar *string_split_message(uschar *);
451extern uschar *string_unprinting(uschar *);
452#ifdef SUPPORT_I18N
453extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
454extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
455extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
456extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
457extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
458#endif
459extern BOOL string_vformat(uschar *, int, const char *, va_list);
460extern int strcmpic(const uschar *, const uschar *);
461extern int strncmpic(const uschar *, const uschar *, int);
462extern uschar *strstric(uschar *, uschar *, BOOL);
463
464extern uschar *tod_stamp(int);
465
466extern void tls_modify_variables(tls_support *);
467extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
468 BOOL *, oicf, void*);
469extern void transport_init(void);
470extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
471 int);
472extern uschar *transport_rcpt_address(address_item *, BOOL);
473extern BOOL transport_set_up_command(const uschar ***, uschar *,
474 BOOL, int, address_item *, uschar *, uschar **);
475extern void transport_update_waiting(host_item *, uschar *);
476extern BOOL transport_write_block(int, uschar *, int);
477extern BOOL transport_write_string(int, const char *, ...);
478extern BOOL transport_headers_send(int, transport_ctx *,
479 BOOL (*)(int, transport_ctx *, uschar *, int));
480extern BOOL transport_write_message(int, transport_ctx *, int);
481extern void tree_add_duplicate(uschar *, address_item *);
482extern void tree_add_nonrecipient(uschar *);
483extern void tree_add_unusable(host_item *);
484extern int tree_insertnode(tree_node **, tree_node *);
485extern tree_node *tree_search(tree_node *, const uschar *);
486extern void tree_write(tree_node *, FILE *);
487extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
488
489#ifdef WITH_CONTENT_SCAN
490extern void unspool_mbox(void);
491#endif
492#ifdef SUPPORT_I18N
493extern void utf8_version_report(FILE *);
494#endif
495
496extern int verify_address(address_item *, FILE *, int, int, int, int,
497 uschar *, uschar *, BOOL *);
498extern int verify_check_dnsbl(int, const uschar **, uschar **);
499extern int verify_check_header_address(uschar **, uschar **, int, int, int,
500 uschar *, uschar *, int, int *);
501extern int verify_check_headers(uschar **);
502extern int verify_check_header_names_ascii(uschar **);
503extern int verify_check_host(uschar **);
504extern int verify_check_notblind(void);
505extern int verify_check_given_host(uschar **, host_item *);
506extern int verify_check_this_host(const uschar **, unsigned int *,
507 const uschar*, const uschar *, const uschar **);
508extern address_item *verify_checked_sender(uschar *);
509extern void verify_get_ident(int);
510extern BOOL verify_sender(int *, uschar **);
511extern BOOL verify_sender_preliminary(int *, uschar **);
512extern void version_init(void);
513
514extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
515
516/* vi: aw
517*/
518/* End of functions.h */
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