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Merge tag 'exim-4_82_1'
[exim.git] / src / src / functions.h
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5a66c31b 5/* Copyright (c) University of Cambridge 1995 - 2014 */
059ec3d9
PH		 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
a799883d
PP		 24extern const char *
25 std_dh_prime_default(void);
26extern const char *
27 std_dh_prime_named(const uschar *);
9d1c15ef 28
9e4dddbd 29extern uschar * tls_cert_crl_uri(void *, uschar * mod);
9d1c15ef 30extern uschar * tls_cert_ext_by_oid(void *, uschar *, int);
9e4dddbd
JH		 31extern uschar * tls_cert_issuer(void *, uschar * mod);
32extern uschar * tls_cert_not_before(void *, uschar * mod);
33extern uschar * tls_cert_not_after(void *, uschar * mod);
34extern uschar * tls_cert_ocsp_uri(void *, uschar * mod);
35extern uschar * tls_cert_serial_number(void *, uschar * mod);
36extern uschar * tls_cert_signature(void *, uschar * mod);
37extern uschar * tls_cert_signature_algorithm(void *, uschar * mod);
38extern uschar * tls_cert_subject(void *, uschar * mod);
39extern uschar * tls_cert_subject_altname(void *, uschar * mod);
40extern uschar * tls_cert_version(void *, uschar * mod);
9d1c15ef 41
6a8a60e0
JH		 42extern uschar * tls_cert_fprt_md5(void *);
43extern uschar * tls_cert_fprt_sha1(void *);
9ef9101c 44extern uschar * tls_cert_fprt_sha256(void *);
6a8a60e0 45
f5d78688 46extern int tls_client_start(int, host_item *, address_item *,
65867078 47 void *);
817d9f57 48extern void tls_close(BOOL, BOOL);
9d1c15ef 49extern int tls_export_cert(uschar *, size_t, void *);
059ec3d9
PH		 50extern int tls_feof(void);
51extern int tls_ferror(void);
9d1c15ef 52extern void tls_free_cert(void *);
059ec3d9 53extern int tls_getc(void);
9d1c15ef 54extern int tls_import_cert(const uschar *, void **);
817d9f57 55extern int tls_read(BOOL, uschar *, size_t);
17c76198 56extern int tls_server_start(const uschar *);
58eb016e 57extern BOOL tls_smtp_buffered(void);
059ec3d9 58extern int tls_ungetc(int);
389ca47a 59extern int tls_write(BOOL, const uschar *, size_t);
3375e053 60extern uschar *tls_validate_require_cipher(void);
36f12725 61extern void tls_version_report(FILE *);
e51c7be2 62# ifndef USE_GNUTLS
77bb000f 63extern BOOL tls_openssl_options_parse(uschar *, long *);
e51c7be2 64# endif
812a6045 65extern uschar * tls_field_from_dn(uschar *, uschar *);
e51c7be2
JH		 66# ifdef EXPERIMENTAL_CERTNAMES
67extern BOOL tls_is_name_for_cert(uschar *, void *);
68# endif
35aba663 69#endif /*SUPPORT_TLS*/
059ec3d9
PH		 70
71
72/* Everything else... */
73
74extern acl_block *acl_read(uschar *(*)(void), uschar **);
75extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
05caaeaa 76extern int acl_eval(int, uschar *, uschar **, uschar **);
333eea9c 77
38a0a95f
PH		 78extern tree_node *acl_var_create(uschar *);
79extern void acl_var_write(uschar *, uschar *, void *);
059ec3d9
PH		 80extern uschar *auth_b64encode(uschar *, int);
81extern int auth_b64decode(uschar *, uschar **);
82extern int auth_call_pam(uschar *, uschar **);
83extern int auth_call_pwcheck(uschar *, uschar **);
84extern int auth_call_radius(uschar *, uschar **);
85extern int auth_call_saslauthd(uschar *, uschar *, uschar *, uschar *,
86 uschar **);
16ff981e 87extern int auth_check_serv_cond(auth_instance *);
44bbabb5
PP		 88extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
89
059ec3d9
PH		 90extern int auth_get_data(uschar **, uschar *, int);
91extern int auth_get_no64_data(uschar **, uschar *);
92extern uschar *auth_xtextencode(uschar *, int);
93extern int auth_xtextdecode(uschar *, uschar **);
94
2e5b33cd 95extern void cancel_cutthrough_connection(const char *);
32d668a5 96extern int check_host(void *, uschar *, uschar **, uschar **);
059ec3d9
PH		 97extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
98extern pid_t child_open_uid(uschar **, uschar **, int, uid_t *, gid_t *,
99 int *, int *, uschar *, BOOL);
e4bdf652
JH		 100extern uschar *cutthrough_finaldot(void);
101extern BOOL cutthrough_flush_send(void);
102extern BOOL cutthrough_headers_send(void);
103extern BOOL cutthrough_predata(void);
104extern BOOL cutthrough_puts(uschar *, int);
105extern BOOL cutthrough_put_nl(void);
059ec3d9
PH		 106
107extern void daemon_go(void);
6a8f9482
TK		 108
109#ifdef EXPERIMENTAL_DCC
110extern int dcc_process(uschar **);
111#endif
112
ed7f7860 113extern void debug_logging_activate(uschar *, uschar *);
059ec3d9
PH		 114extern void debug_print_argv(uschar **);
115extern void debug_print_ids(uschar *);
116extern void debug_print_string(uschar *);
117extern void debug_print_tree(tree_node *);
1ba28e2b 118extern void debug_vprintf(const char *, va_list);
ed7f7860
PP		 119extern void decode_bits(unsigned int *, unsigned int *,
120 int, int, uschar *, bit_table *, int, uschar *, int);
059ec3d9 121extern address_item *deliver_make_addr(uschar *, BOOL);
817d9f57 122extern void delivery_log(int, address_item *, int, uschar *);
059ec3d9 123extern int deliver_message(uschar *, BOOL, BOOL);
e0df1c83 124extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 125extern void deliver_set_expansions(address_item *);
126extern int deliver_split_address(address_item *);
127extern void deliver_succeeded(address_item *);
8523533c
TK		 128#ifdef WITH_OLD_DEMIME
129extern int demime(uschar **);
130#endif
1ba28e2b 131extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
80a47a2c 132#ifndef DISABLE_DKIM
f7572e5a
TK		 133extern BOOL dkim_transport_write_message(address_item *, int, int,
134 int, uschar *, uschar *, uschar *, uschar *, rewrite_rule *,
80a47a2c 135 int, uschar *, uschar *, uschar *, uschar *, uschar *, uschar *);
f7572e5a 136#endif
059ec3d9
PH		 137extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
138extern void dns_build_reverse(uschar *, uschar *);
8c51eead 139extern void dns_init(BOOL, BOOL, BOOL);
059ec3d9 140extern int dns_basic_lookup(dns_answer *, uschar *, int);
1f4a55da 141extern BOOL dns_is_secure(dns_answer *);
059ec3d9 142extern int dns_lookup(dns_answer *, uschar *, int, uschar **);
33397d19 143extern int dns_special_lookup(dns_answer *, uschar *, int, uschar **);
059ec3d9
PH		 144extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
145extern uschar *dns_text_type(int);
36a3ae5f 146extern void dscp_list_to_stream(FILE *);
9e4f5962 147extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
059ec3d9
PH		 148
149extern void enq_end(uschar *);
150extern BOOL enq_start(uschar *);
151extern void exim_exit(int);
152extern void exim_nullstd(void);
153extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
154extern int exim_tvcmp(struct timeval *, struct timeval *);
155extern void exim_wait_tick(struct timeval *, int);
156extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
157extern uschar *expand_string(uschar *);
158extern uschar *expand_string_copy(uschar *);
97d17305 159extern int_eximarith_t expand_string_integer(uschar *, BOOL);
d9b2312b 160extern void modify_variable(uschar *, void *);
059ec3d9
PH		 161
162extern int filter_interpret(uschar *, int, address_item **, uschar **);
163extern BOOL filter_personal(string_item *, BOOL);
f05da2e8 164extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
059ec3d9
PH		 165extern BOOL filter_system_interpret(address_item **, uschar **);
166
362145b5
JH		 167extern uschar * fn_hdrs_added(void);
168
1ba28e2b 169extern void header_add(int, const char *, ...);
059ec3d9
PH		 170extern int header_checkname(header_line *, BOOL);
171extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
7cd1141b 172extern int host_address_extract_port(uschar *);
059ec3d9
PH		 173extern uschar *host_and_ident(BOOL);
174extern int host_aton(uschar *, int *);
175extern void host_build_hostlist(host_item **, uschar *, BOOL);
176extern ip_address_item *host_build_ifacelist(uschar *, uschar *);
177extern void host_build_log_info(void);
178extern void host_build_sender_fullhost(void);
322050c2 179extern BOOL host_find_byname(host_item *, uschar *, int, uschar **, BOOL);
059ec3d9 180extern int host_find_bydns(host_item *, uschar *, int, uschar *, uschar *,
8c51eead 181 uschar *, uschar *, uschar *, uschar **, BOOL *);
059ec3d9
PH		 182extern ip_address_item *host_find_interfaces(void);
183extern BOOL host_is_in_net(uschar *, uschar *, int);
184extern BOOL host_is_tls_on_connect_port(int);
7cd1141b 185extern int host_item_get_port(host_item *);
059ec3d9
PH		 186extern void host_mask(int, int *, int);
187extern int host_name_lookup(void);
6f0c9a4f 188extern int host_nmtoa(int, int *, int, uschar *, int);
059ec3d9
PH		 189extern uschar *host_ntoa(int, const void *, uschar *, int *);
190extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
191
83e029d5 192extern void invert_address(uschar *, uschar *);
059ec3d9
PH		 193extern int ip_bind(int, int, uschar *, int);
194extern int ip_connect(int, int, uschar *, int, int);
b1f8e4f8
JH		 195extern int ip_connectedsocket(int, const uschar *, int, int,
196 int, host_item *, uschar **);
13363eba 197extern int ip_get_address_family(int);
059ec3d9
PH		 198extern void ip_keepalive(int, uschar *, BOOL);
199extern int ip_recv(int, uschar *, int, int);
200extern int ip_socket(int, int);
201
921b12ca 202extern uschar *local_part_quote(uschar *);
4840604e 203extern int log_create(uschar *);
921b12ca 204extern int log_create_as_exim(uschar *);
059ec3d9
PH		 205extern void log_close_all(void);
206
8523533c
TK		 207#ifdef WITH_CONTENT_SCAN
208extern int malware(uschar **);
dbc4b90d 209extern int malware_in_file(uschar *);
8523533c 210#endif
059ec3d9
PH		 211extern int match_address_list(uschar *, BOOL, BOOL, uschar **,
212 unsigned int *, int, int, uschar **);
213extern int match_check_list(uschar **, int, tree_node **, unsigned int **,
214 int(*)(void *, uschar *, uschar **, uschar **), void *, int,
215 uschar *, uschar **);
216extern int match_isinlist(uschar *, uschar **, int, tree_node **,
217 unsigned int *, int, BOOL, uschar **);
218extern int match_check_string(uschar *, uschar *, int, BOOL, BOOL, BOOL,
219 uschar **);
220extern void md5_end(md5 *, const uschar *, int, uschar *);
221extern void md5_mid(md5 *, const uschar *);
222extern void md5_start(md5 *);
223extern void millisleep(int);
8523533c
TK		 224#ifdef WITH_CONTENT_SCAN
225struct mime_boundary_context;
54cdb463
PH		 226extern int mime_acl_check(uschar *acl, FILE *f,
227 struct mime_boundary_context *, uschar **, uschar **);
8523533c
TK		 228extern int mime_decode(uschar **);
229extern int mime_regex(uschar **);
230#endif
059ec3d9
PH		 231extern uschar *moan_check_errorcopy(uschar *);
232extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
233 BOOL, uschar *);
e0df1c83 234extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
1ba28e2b 235extern void moan_tell_someone(uschar *, address_item *,
e0df1c83 236 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
059ec3d9 237extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
0e22dfd1 238extern void moan_write_from(FILE *);
1ba28e2b 239extern FILE *modefopen(const uschar *, const char *, mode_t);
059ec3d9 240
e4bdf652
JH		 241extern void open_cutthrough_connection( address_item * addr );
242
059ec3d9
PH		 243extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
244 BOOL);
245extern int parse_forward_list(uschar *, int, address_item **, uschar **,
246 uschar *, uschar *, error_block **);
247extern uschar *parse_find_address_end(uschar *, BOOL);
248extern uschar *parse_find_at(uschar *);
249extern uschar *parse_fix_phrase(uschar *, int, uschar *, int);
30dba1e6 250extern uschar *parse_message_id(uschar *, uschar **, uschar **);
46218253 251extern uschar *parse_quote_2047(uschar *, int, uschar *, uschar *, int, BOOL);
43ad7b7d 252extern uschar *parse_date_time(uschar *str, time_t *t);
17c76198
PP		 253extern int vaguely_random_number(int);
254#ifdef SUPPORT_TLS
255extern int vaguely_random_number_fallback(int);
256#endif
059ec3d9
PH		 257
258extern BOOL queue_action(uschar *, int, uschar **, int, int);
259extern void queue_check_only(void);
260extern void queue_list(int, uschar **, int);
261extern void queue_count(void);
262extern void queue_run(uschar *, uschar *, BOOL);
263
264extern int random_number(int);
8523533c
TK		 265#ifdef WITH_CONTENT_SCAN
266extern int recv_line(int, uschar *, int);
267#endif
e4a89c47 268extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
efd9a422
MH		 269 uschar *, uschar *, uschar *, ugid_block *, address_item **,
270 uschar **, error_block **, int *, uschar *);
059ec3d9
PH		 271extern int rda_is_filter(const uschar *);
272extern BOOL readconf_depends(driver_instance *, uschar *);
273extern void readconf_driver_init(uschar *, driver_instance **,
274 driver_info *, int, void *, int, optionlist *, int);
275extern uschar *readconf_find_option(void *);
276extern void readconf_main(void);
12f69989 277extern void readconf_print(uschar *, uschar *, BOOL);
059ec3d9
PH		 278extern uschar *readconf_printtime(int);
279extern uschar *readconf_readname(uschar *, int, uschar *);
280extern int readconf_readtime(uschar *, int, BOOL);
cb46fd2b 281extern void readconf_rest();
059ec3d9 282extern uschar *readconf_retry_error(uschar *, uschar *, int *, int *);
328895cc 283extern void read_message_body(BOOL);
8f128379 284extern void receive_bomb_out(uschar *, uschar *);
059ec3d9
PH		 285extern BOOL receive_check_fs(int);
286extern BOOL receive_check_set_sender(uschar *);
287extern BOOL receive_msg(BOOL);
8e669ac1 288extern int receive_statvfs(BOOL, int *);
059ec3d9 289extern void receive_swallow_smtp(void);
8523533c
TK		 290#ifdef WITH_CONTENT_SCAN
291extern int regex(uschar **);
292#endif
059ec3d9
PH		 293extern BOOL regex_match_and_setup(const pcre *, uschar *, int, int);
294extern const pcre *regex_must_compile(uschar *, BOOL, BOOL);
295extern void retry_add_item(address_item *, uschar *, int);
296extern BOOL retry_check_address(uschar *, host_item *, uschar *, BOOL,
297 uschar **, uschar **);
298extern retry_config *retry_find_config(uschar *, uschar *, int, int);
ba9af0af
TF		 299extern BOOL retry_ultimate_address_timeout(uschar *, uschar *,
300 dbdata_retry *, time_t);
059ec3d9
PH		 301extern void retry_update(address_item **, address_item **, address_item **);
302extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
303extern uschar *rewrite_address_qualify(uschar *, BOOL);
304extern header_line *rewrite_header(header_line *, uschar *, uschar *,
305 rewrite_rule *, int, BOOL);
306extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
307 rewrite_rule *);
308extern void rewrite_test(uschar *);
309extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
310 uschar **);
311extern int route_address(address_item *, address_item **, address_item **,
312 address_item **, address_item **, int);
313extern int route_check_prefix(uschar *, uschar *);
314extern int route_check_suffix(uschar *, uschar *);
315extern BOOL route_findgroup(uschar *, gid_t *);
316extern BOOL route_finduser(uschar *, struct passwd **, uid_t *);
317extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
318 uschar **);
319extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
320 struct passwd **, uid_t *, uschar **);
321extern void route_init(void);
322extern void route_tidyup(void);
323
324extern uschar *search_find(void *, uschar *, uschar *, int, uschar *, int,
325 int, int *);
326extern int search_findtype(uschar *, int);
327extern int search_findtype_partial(uschar *, int *, uschar **, int *,
328 int *);
329extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
330extern void search_tidyup(void);
e0df1c83 331extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 332extern void sha1_end(sha1 *, const uschar *, int, uschar *);
333extern void sha1_mid(sha1 *, const uschar *);
334extern void sha1_start(sha1 *);
e4a89c47 335extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
efd9a422 336 uschar *, address_item **, uschar **);
059ec3d9 337extern void sigalrm_handler(int);
58eb016e 338extern BOOL smtp_buffered(void);
059ec3d9 339extern void smtp_closedown(uschar *);
9e4f5962 340extern int smtp_connect(host_item *, int, int, uschar *, int, BOOL, const uschar *);
059ec3d9
PH		 341extern int smtp_feof(void);
342extern int smtp_ferror(void);
343extern uschar *smtp_get_connection_info(void);
344extern BOOL smtp_get_interface(uschar *, int, address_item *, BOOL *,
345 uschar **, uschar *);
346extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
347extern int smtp_getc(void);
348extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
b4ed4da0 349extern void smtp_log_no_mail(void);
4e88a19f 350extern void smtp_message_code(uschar **, int *, uschar **, uschar **);
059ec3d9 351extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
a5bd321b 352extern void smtp_respond(uschar *, int, BOOL, uschar *);
8f128379 353extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
059ec3d9
PH		 354extern void smtp_send_prohibition_message(int, uschar *);
355extern int smtp_setup_msg(void);
356extern BOOL smtp_start_session(void);
357extern int smtp_ungetc(int);
d7b47fd0 358extern BOOL smtp_verify_helo(void);
e0df1c83 359extern int smtp_write_command(smtp_outblock *, BOOL, const char *, ...) PRINTF_FUNCTION(3,4);
8523533c
TK		 360#ifdef WITH_CONTENT_SCAN
361extern int spam(uschar **);
8544e77a 362extern FILE *spool_mbox(unsigned long *, uschar *);
8523533c 363#endif
059ec3d9
PH		 364extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
365extern BOOL spool_open_datafile(uschar *);
366extern int spool_open_temp(uschar *);
367extern int spool_read_header(uschar *, BOOL, BOOL);
368extern int spool_write_header(uschar *, int, uschar **);
369extern int stdin_getc(void);
370extern int stdin_feof(void);
371extern int stdin_ferror(void);
372extern int stdin_ungetc(int);
373extern uschar *string_append(uschar *, int *, int *, int, ...);
76146973 374extern uschar *string_append_listele(uschar *, uschar, const uschar *);
059ec3d9
PH		 375extern uschar *string_base62(unsigned long int);
376extern uschar *string_cat(uschar *, int *, int *, const uschar *, int);
377extern uschar *string_copy_dnsdomain(uschar *);
378extern uschar *string_copy_malloc(uschar *);
379extern uschar *string_copylc(uschar *);
380extern uschar *string_copynlc(uschar *, int);
381extern uschar *string_dequote(uschar **);
81f91683 382extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
059ec3d9
PH		 383extern uschar *string_format_size(int, uschar *);
384extern int string_interpret_escape(uschar **);
b1f8e4f8 385extern int string_is_ip_address(const uschar *, int *);
059ec3d9
PH		 386extern uschar *string_log_address(address_item *, BOOL, BOOL);
387extern uschar *string_nextinlist(uschar **, int *, uschar *, int);
e0df1c83 388extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
059ec3d9 389extern uschar *string_printing2(uschar *, BOOL);
e28326d8 390extern uschar *string_split_message(uschar *);
c7396ac5 391extern uschar *string_unprinting(uschar *);
1ba28e2b
PP		 392extern BOOL string_vformat(uschar *, int, const char *, va_list);
393extern int strcmpic(const uschar *, const uschar *);
394extern int strncmpic(const uschar *, const uschar *, int);
059ec3d9
PH		 395extern uschar *strstric(uschar *, uschar *, BOOL);
396
397extern uschar *tod_stamp(int);
35aba663 398extern void tls_modify_variables(tls_support *);
059ec3d9
PH		 399extern BOOL transport_check_waiting(uschar *, uschar *, int, uschar *,
400 BOOL *);
401extern void transport_init(void);
402extern BOOL transport_pass_socket(uschar *, uschar *, uschar *, uschar *,
403 int);
404extern uschar *transport_rcpt_address(address_item *, BOOL);
405extern BOOL transport_set_up_command(uschar ***, uschar *, BOOL, int,
406 address_item *, uschar *, uschar **);
407extern void transport_update_waiting(host_item *, uschar *);
408extern BOOL transport_write_block(int, uschar *, int);
1ba28e2b 409extern BOOL transport_write_string(int, const char *, ...);
511a6c14
JH		 410extern BOOL transport_headers_send(address_item *, int, uschar *, uschar *,
411 BOOL (*)(int, uschar *, int, BOOL), BOOL, rewrite_rule *, int);
059ec3d9
PH		 412extern BOOL transport_write_message(address_item *, int, int, int, uschar *,
413 uschar *, uschar *, uschar *, rewrite_rule *, int);
414extern void tree_add_duplicate(uschar *, address_item *);
415extern void tree_add_nonrecipient(uschar *);
416extern void tree_add_unusable(host_item *);
417extern int tree_insertnode(tree_node **, tree_node *);
418extern tree_node *tree_search(tree_node *, uschar *);
419extern void tree_write(tree_node *, FILE *);
38a0a95f 420extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
059ec3d9 421
8523533c
TK		 422#ifdef WITH_CONTENT_SCAN
423extern void unspool_mbox(void);
424#endif
425
4deaf07d
PH		 426extern int verify_address(address_item *, FILE *, int, int, int, int,
427 uschar *, uschar *, BOOL *);
059ec3d9 428extern int verify_check_dnsbl(uschar **);
4deaf07d 429extern int verify_check_header_address(uschar **, uschar **, int, int, int,
fe5b5d0b 430 uschar *, uschar *, int, int *);
059ec3d9 431extern int verify_check_headers(uschar **);
770747fd 432extern int verify_check_header_names_ascii(uschar **);
059ec3d9 433extern int verify_check_host(uschar **);
1c41c9cc 434extern int verify_check_notblind(void);
059ec3d9
PH		 435extern int verify_check_this_host(uschar **, unsigned int *, uschar*,
436 uschar *, uschar **);
437extern address_item *verify_checked_sender(uschar *);
438extern void verify_get_ident(int);
439extern BOOL verify_sender(int *, uschar **);
440extern BOOL verify_sender_preliminary(int *, uschar **);
441extern void version_init(void);
442
17c76198
PP		 443extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
444
9d1c15ef
JH		 445/* vi: aw
446*/
059ec3d9 447/* End of functions.h */
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