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Merge pull request #30 from SpamExperts/master
[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 *,
0e66b3b6
JH		 47 transport_instance *
48#ifdef EXPERIMENTAL_DANE
49 , dns_answer *
50#endif
51 );
817d9f57 52extern void tls_close(BOOL, BOOL);
9d1c15ef 53extern int tls_export_cert(uschar *, size_t, void *);
059ec3d9
PH		 54extern int tls_feof(void);
55extern int tls_ferror(void);
9d1c15ef 56extern void tls_free_cert(void *);
059ec3d9 57extern int tls_getc(void);
9d1c15ef 58extern int tls_import_cert(const uschar *, void **);
817d9f57 59extern int tls_read(BOOL, uschar *, size_t);
17c76198 60extern int tls_server_start(const uschar *);
58eb016e 61extern BOOL tls_smtp_buffered(void);
059ec3d9 62extern int tls_ungetc(int);
389ca47a 63extern int tls_write(BOOL, const uschar *, size_t);
3375e053 64extern uschar *tls_validate_require_cipher(void);
36f12725 65extern void tls_version_report(FILE *);
e51c7be2 66# ifndef USE_GNUTLS
77bb000f 67extern BOOL tls_openssl_options_parse(uschar *, long *);
e51c7be2 68# endif
55414b25
JH		 69extern uschar * tls_field_from_dn(uschar *, const uschar *);
70extern BOOL tls_is_name_for_cert(const uschar *, void *);
0e66b3b6
JH		 71
72# ifdef EXPERIMENTAL_DANE
b8b1b5cb 73extern int tlsa_lookup(const host_item *, dns_answer *, BOOL, BOOL *);
0e66b3b6
JH		 74# endif
75
35aba663 76#endif /*SUPPORT_TLS*/
059ec3d9
PH		 77
78
79/* Everything else... */
80
81extern acl_block *acl_read(uschar *(*)(void), uschar **);
82extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
05caaeaa 83extern int acl_eval(int, uschar *, uschar **, uschar **);
333eea9c 84
38a0a95f
PH		 85extern tree_node *acl_var_create(uschar *);
86extern void acl_var_write(uschar *, uschar *, void *);
059ec3d9
PH		 87extern uschar *auth_b64encode(uschar *, int);
88extern int auth_b64decode(uschar *, uschar **);
e1af7642 89extern int auth_call_pam(const uschar *, uschar **);
059ec3d9 90extern int auth_call_pwcheck(uschar *, uschar **);
93a6fce2
JH		 91extern int auth_call_radius(const uschar *, uschar **);
92extern int auth_call_saslauthd(const uschar *, const uschar *,
93 const uschar *, const uschar *, uschar **);
16ff981e 94extern int auth_check_serv_cond(auth_instance *);
44bbabb5
PP		 95extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
96
059ec3d9
PH		 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
2e5b33cd 102extern void cancel_cutthrough_connection(const char *);
55414b25 103extern int check_host(void *, const uschar *, const uschar **, uschar **);
059ec3d9 104extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
55414b25
JH		 105extern pid_t child_open_uid(const uschar **, const uschar **, int,
106 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
e4bdf652
JH		 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);
059ec3d9
PH		 113
114extern void daemon_go(void);
6a8f9482
TK		 115
116#ifdef EXPERIMENTAL_DCC
117extern int dcc_process(uschar **);
118#endif
119
ed7f7860 120extern void debug_logging_activate(uschar *, uschar *);
55414b25 121extern void debug_print_argv(const uschar **);
059ec3d9
PH		 122extern void debug_print_ids(uschar *);
123extern void debug_print_string(uschar *);
124extern void debug_print_tree(tree_node *);
1ba28e2b 125extern void debug_vprintf(const char *, va_list);
ed7f7860
PP		 126extern void decode_bits(unsigned int *, unsigned int *,
127 int, int, uschar *, bit_table *, int, uschar *, int);
059ec3d9 128extern address_item *deliver_make_addr(uschar *, BOOL);
476be7e2 129extern void deliver_init(void);
817d9f57 130extern void delivery_log(int, address_item *, int, uschar *);
059ec3d9 131extern int deliver_message(uschar *, BOOL, BOOL);
e0df1c83 132extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 133extern void deliver_set_expansions(address_item *);
134extern int deliver_split_address(address_item *);
135extern void deliver_succeeded(address_item *);
8523533c
TK		 136#ifdef WITH_OLD_DEMIME
137extern int demime(uschar **);
138#endif
1ba28e2b 139extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
80a47a2c 140#ifndef DISABLE_DKIM
f7572e5a
TK		 141extern BOOL dkim_transport_write_message(address_item *, int, int,
142 int, uschar *, uschar *, uschar *, uschar *, rewrite_rule *,
80a47a2c 143 int, uschar *, uschar *, uschar *, uschar *, uschar *, uschar *);
f7572e5a 144#endif
059ec3d9 145extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
476be7e2 146extern int dns_basic_lookup(dns_answer *, const uschar *, int);
55414b25 147extern void dns_build_reverse(const uschar *, uschar *);
8c51eead 148extern void dns_init(BOOL, BOOL, BOOL);
1dc92d5a 149extern BOOL dns_is_secure(const dns_answer *);
55414b25 150extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
476be7e2 151extern void dns_pattern_init(void);
55414b25 152extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
059ec3d9
PH		 153extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
154extern uschar *dns_text_type(int);
36a3ae5f 155extern void dscp_list_to_stream(FILE *);
9e4f5962 156extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
059ec3d9
PH		 157
158extern void enq_end(uschar *);
159extern BOOL enq_start(uschar *);
774ef2d7 160#ifdef EXPERIMENTAL_EVENT
55414b25 161extern uschar *event_raise(uschar *, const uschar *, uschar *);
774ef2d7 162#endif
059ec3d9
PH		 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);
9c695f6d
JH		 168extern int exp_bool(address_item *addr,
169 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
170 uschar *svalue, BOOL *rvalue);
059ec3d9 171extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
93a6fce2
JH		 172extern uschar *expand_string(uschar *); /* public, cannot make const */
173extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
55414b25 174extern uschar *expand_string_copy(const uschar *);
97d17305 175extern int_eximarith_t expand_string_integer(uschar *, BOOL);
d9b2312b 176extern void modify_variable(uschar *, void *);
059ec3d9 177
4e71661f
JH		 178extern BOOL fd_ready(int, int);
179
059ec3d9
PH		 180extern int filter_interpret(uschar *, int, address_item **, uschar **);
181extern BOOL filter_personal(string_item *, BOOL);
f05da2e8 182extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
059ec3d9
PH		 183extern BOOL filter_system_interpret(address_item **, uschar **);
184
362145b5
JH		 185extern uschar * fn_hdrs_added(void);
186
1ba28e2b 187extern void header_add(int, const char *, ...);
059ec3d9
PH		 188extern int header_checkname(header_line *, BOOL);
189extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
7cd1141b 190extern int host_address_extract_port(uschar *);
059ec3d9 191extern uschar *host_and_ident(BOOL);
55414b25
JH		 192extern int host_aton(const uschar *, int *);
193extern void host_build_hostlist(host_item **, const uschar *, BOOL);
194extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
059ec3d9
PH		 195extern void host_build_log_info(void);
196extern void host_build_sender_fullhost(void);
55414b25
JH		 197extern BOOL host_find_byname(host_item *, const uschar *, int, const uschar **, BOOL);
198extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
199 uschar *, uschar *, uschar *, const uschar **, BOOL *);
059ec3d9 200extern ip_address_item *host_find_interfaces(void);
55414b25 201extern BOOL host_is_in_net(const uschar *, const uschar *, int);
059ec3d9 202extern BOOL host_is_tls_on_connect_port(int);
7cd1141b 203extern int host_item_get_port(host_item *);
059ec3d9
PH		 204extern void host_mask(int, int *, int);
205extern int host_name_lookup(void);
6f0c9a4f 206extern int host_nmtoa(int, int *, int, uschar *, int);
059ec3d9
PH		 207extern uschar *host_ntoa(int, const void *, uschar *, int *);
208extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
209
83e029d5 210extern void invert_address(uschar *, uschar *);
059ec3d9 211extern int ip_bind(int, int, uschar *, int);
a56cc2b8 212extern int ip_connect(int, int, const uschar *, int, int);
b1f8e4f8
JH		 213extern int ip_connectedsocket(int, const uschar *, int, int,
214 int, host_item *, uschar **);
13363eba 215extern int ip_get_address_family(int);
55414b25 216extern void ip_keepalive(int, const uschar *, BOOL);
059ec3d9
PH		 217extern int ip_recv(int, uschar *, int, int);
218extern int ip_socket(int, int);
219
3e60dd41
JH		 220extern int ip_tcpsocket(const uschar *, uschar **, int);
221extern int ip_unixsocket(const uschar *, uschar **);
222extern int ip_streamsocket(const uschar *, uschar **, int);
223
921b12ca 224extern uschar *local_part_quote(uschar *);
4840604e 225extern int log_create(uschar *);
921b12ca 226extern int log_create_as_exim(uschar *);
059ec3d9
PH		 227extern void log_close_all(void);
228
8523533c 229#ifdef WITH_CONTENT_SCAN
0f0c8159 230extern int malware(const uschar *, int);
dbc4b90d 231extern int malware_in_file(uschar *);
476be7e2 232extern void malware_init(void);
8523533c 233#endif
55414b25
JH		 234extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
235 unsigned int *, int, int, const uschar **);
236extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
237 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
238 const uschar *, const uschar **);
239extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
240 unsigned int *, int, BOOL, const uschar **);
241extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
242 const uschar **);
059ec3d9
PH		 243extern void md5_end(md5 *, const uschar *, int, uschar *);
244extern void md5_mid(md5 *, const uschar *);
245extern void md5_start(md5 *);
246extern void millisleep(int);
8523533c
TK		 247#ifdef WITH_CONTENT_SCAN
248struct mime_boundary_context;
54cdb463
PH		 249extern int mime_acl_check(uschar *acl, FILE *f,
250 struct mime_boundary_context *, uschar **, uschar **);
55414b25
JH		 251extern int mime_decode(const uschar **);
252extern int mime_regex(const uschar **);
8523533c 253#endif
059ec3d9
PH		 254extern uschar *moan_check_errorcopy(uschar *);
255extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
256 BOOL, uschar *);
e0df1c83 257extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
1ba28e2b 258extern void moan_tell_someone(uschar *, address_item *,
e0df1c83 259 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
059ec3d9 260extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
0e22dfd1 261extern void moan_write_from(FILE *);
1ba28e2b 262extern FILE *modefopen(const uschar *, const char *, mode_t);
059ec3d9 263
e4bdf652
JH		 264extern void open_cutthrough_connection( address_item * addr );
265
059ec3d9
PH		 266extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
267 BOOL);
268extern int parse_forward_list(uschar *, int, address_item **, uschar **,
55414b25 269 const uschar *, uschar *, error_block **);
059ec3d9
PH		 270extern uschar *parse_find_address_end(uschar *, BOOL);
271extern uschar *parse_find_at(uschar *);
55414b25 272extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
30dba1e6 273extern uschar *parse_message_id(uschar *, uschar **, uschar **);
55414b25 274extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
43ad7b7d 275extern uschar *parse_date_time(uschar *str, time_t *t);
17c76198
PP		 276extern int vaguely_random_number(int);
277#ifdef SUPPORT_TLS
278extern int vaguely_random_number_fallback(int);
279#endif
059ec3d9
PH		 280
281extern BOOL queue_action(uschar *, int, uschar **, int, int);
282extern void queue_check_only(void);
283extern void queue_list(int, uschar **, int);
284extern void queue_count(void);
285extern void queue_run(uschar *, uschar *, BOOL);
286
287extern int random_number(int);
e4a89c47 288extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
efd9a422
MH		 289 uschar *, uschar *, uschar *, ugid_block *, address_item **,
290 uschar **, error_block **, int *, uschar *);
059ec3d9
PH		 291extern int rda_is_filter(const uschar *);
292extern BOOL readconf_depends(driver_instance *, uschar *);
293extern void readconf_driver_init(uschar *, driver_instance **,
294 driver_info *, int, void *, int, optionlist *, int);
295extern uschar *readconf_find_option(void *);
296extern void readconf_main(void);
12f69989 297extern void readconf_print(uschar *, uschar *, BOOL);
059ec3d9
PH		 298extern uschar *readconf_printtime(int);
299extern uschar *readconf_readname(uschar *, int, uschar *);
1ad6489e 300extern int readconf_readtime(const uschar *, int, BOOL);
cb46fd2b 301extern void readconf_rest();
55414b25 302extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
328895cc 303extern void read_message_body(BOOL);
8f128379 304extern void receive_bomb_out(uschar *, uschar *);
059ec3d9
PH		 305extern BOOL receive_check_fs(int);
306extern BOOL receive_check_set_sender(uschar *);
307extern BOOL receive_msg(BOOL);
8e669ac1 308extern int receive_statvfs(BOOL, int *);
059ec3d9 309extern void receive_swallow_smtp(void);
8523533c 310#ifdef WITH_CONTENT_SCAN
55414b25 311extern int regex(const uschar **);
8523533c 312#endif
1dc92d5a 313extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
476be7e2 314extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
059ec3d9 315extern void retry_add_item(address_item *, uschar *, int);
55414b25 316extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
059ec3d9 317 uschar **, uschar **);
55414b25
JH		 318extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
319extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
ba9af0af 320 dbdata_retry *, time_t);
059ec3d9
PH		 321extern void retry_update(address_item **, address_item **, address_item **);
322extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
323extern uschar *rewrite_address_qualify(uschar *, BOOL);
55414b25
JH		 324extern header_line *rewrite_header(header_line *,
325 const uschar *, const uschar *,
059ec3d9
PH		 326 rewrite_rule *, int, BOOL);
327extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
328 rewrite_rule *);
329extern void rewrite_test(uschar *);
330extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
331 uschar **);
332extern int route_address(address_item *, address_item **, address_item **,
333 address_item **, address_item **, int);
55414b25
JH		 334extern int route_check_prefix(const uschar *, const uschar *);
335extern int route_check_suffix(const uschar *, const uschar *);
059ec3d9 336extern BOOL route_findgroup(uschar *, gid_t *);
55414b25 337extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
059ec3d9
PH		 338extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
339 uschar **);
340extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
341 struct passwd **, uid_t *, uschar **);
342extern void route_init(void);
343extern void route_tidyup(void);
344
55414b25 345extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
059ec3d9 346 int, int *);
55414b25
JH		 347extern int search_findtype(const uschar *, int);
348extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
059ec3d9
PH		 349 int *);
350extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
351extern void search_tidyup(void);
e0df1c83 352extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 353extern void sha1_end(sha1 *, const uschar *, int, uschar *);
354extern void sha1_mid(sha1 *, const uschar *);
355extern void sha1_start(sha1 *);
e4a89c47 356extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
efd9a422 357 uschar *, address_item **, uschar **);
059ec3d9 358extern void sigalrm_handler(int);
58eb016e 359extern BOOL smtp_buffered(void);
059ec3d9 360extern void smtp_closedown(uschar *);
a7538db1 361extern int smtp_connect(host_item *, int, int, uschar *, int, BOOL, const uschar *
774ef2d7 362#ifdef EXPERIMENTAL_EVENT
a7538db1
JH		 363 , uschar *
364#endif
365 );
059ec3d9
PH		 366extern int smtp_feof(void);
367extern int smtp_ferror(void);
368extern uschar *smtp_get_connection_info(void);
369extern BOOL smtp_get_interface(uschar *, int, address_item *, BOOL *,
370 uschar **, uschar *);
371extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
372extern int smtp_getc(void);
373extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
b4ed4da0 374extern void smtp_log_no_mail(void);
4e88a19f 375extern void smtp_message_code(uschar **, int *, uschar **, uschar **);
059ec3d9 376extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
a5bd321b 377extern void smtp_respond(uschar *, int, BOOL, uschar *);
8f128379 378extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
059ec3d9
PH		 379extern void smtp_send_prohibition_message(int, uschar *);
380extern int smtp_setup_msg(void);
381extern BOOL smtp_start_session(void);
382extern int smtp_ungetc(int);
d7b47fd0 383extern BOOL smtp_verify_helo(void);
e0df1c83 384extern int smtp_write_command(smtp_outblock *, BOOL, const char *, ...) PRINTF_FUNCTION(3,4);
8523533c 385#ifdef WITH_CONTENT_SCAN
55414b25 386extern int spam(const uschar **);
0f0c8159 387extern FILE *spool_mbox(unsigned long *, const uschar *);
8523533c 388#endif
059ec3d9
PH		 389extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
390extern BOOL spool_open_datafile(uschar *);
391extern int spool_open_temp(uschar *);
392extern int spool_read_header(uschar *, BOOL, BOOL);
393extern int spool_write_header(uschar *, int, uschar **);
394extern int stdin_getc(void);
395extern int stdin_feof(void);
396extern int stdin_ferror(void);
397extern int stdin_ungetc(int);
398extern uschar *string_append(uschar *, int *, int *, int, ...);
76146973 399extern uschar *string_append_listele(uschar *, uschar, const uschar *);
00ba27c5 400extern uschar *string_append_listele_n(uschar *, uschar, const uschar *, unsigned);
059ec3d9
PH		 401extern uschar *string_base62(unsigned long int);
402extern uschar *string_cat(uschar *, int *, int *, const uschar *, int);
403extern uschar *string_copy_dnsdomain(uschar *);
55414b25 404extern uschar *string_copy_malloc(const uschar *);
1dc92d5a 405extern uschar *string_copylc(const uschar *);
059ec3d9 406extern uschar *string_copynlc(uschar *, int);
55414b25 407extern uschar *string_dequote(const uschar **);
81f91683 408extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
059ec3d9 409extern uschar *string_format_size(int, uschar *);
55414b25 410extern int string_interpret_escape(const uschar **);
b1f8e4f8 411extern int string_is_ip_address(const uschar *, int *);
059ec3d9 412extern uschar *string_log_address(address_item *, BOOL, BOOL);
55414b25 413extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
e0df1c83 414extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
55414b25 415extern const uschar *string_printing2(const uschar *, BOOL);
e28326d8 416extern uschar *string_split_message(uschar *);
c7396ac5 417extern uschar *string_unprinting(uschar *);
1ba28e2b
PP		 418extern BOOL string_vformat(uschar *, int, const char *, va_list);
419extern int strcmpic(const uschar *, const uschar *);
420extern int strncmpic(const uschar *, const uschar *, int);
059ec3d9
PH		 421extern uschar *strstric(uschar *, uschar *, BOOL);
422
423extern uschar *tod_stamp(int);
41afb5cb 424
35aba663 425extern void tls_modify_variables(tls_support *);
55414b25 426extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
059ec3d9
PH		 427 BOOL *);
428extern void transport_init(void);
55414b25 429extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
059ec3d9
PH		 430 int);
431extern uschar *transport_rcpt_address(address_item *, BOOL);
55414b25
JH		 432extern BOOL transport_set_up_command(const uschar ***, uschar *,
433 BOOL, int, address_item *, uschar *, uschar **);
059ec3d9
PH		 434extern void transport_update_waiting(host_item *, uschar *);
435extern BOOL transport_write_block(int, uschar *, int);
1ba28e2b 436extern BOOL transport_write_string(int, const char *, ...);
511a6c14
JH		 437extern BOOL transport_headers_send(address_item *, int, uschar *, uschar *,
438 BOOL (*)(int, uschar *, int, BOOL), BOOL, rewrite_rule *, int);
059ec3d9
PH		 439extern BOOL transport_write_message(address_item *, int, int, int, uschar *,
440 uschar *, uschar *, uschar *, rewrite_rule *, int);
441extern void tree_add_duplicate(uschar *, address_item *);
442extern void tree_add_nonrecipient(uschar *);
443extern void tree_add_unusable(host_item *);
444extern int tree_insertnode(tree_node **, tree_node *);
55414b25 445extern tree_node *tree_search(tree_node *, const uschar *);
059ec3d9 446extern void tree_write(tree_node *, FILE *);
38a0a95f 447extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
059ec3d9 448
8523533c
TK		 449#ifdef WITH_CONTENT_SCAN
450extern void unspool_mbox(void);
451#endif
452
4deaf07d
PH		 453extern int verify_address(address_item *, FILE *, int, int, int, int,
454 uschar *, uschar *, BOOL *);
55414b25 455extern int verify_check_dnsbl(const uschar **);
4deaf07d 456extern int verify_check_header_address(uschar **, uschar **, int, int, int,
fe5b5d0b 457 uschar *, uschar *, int, int *);
059ec3d9 458extern int verify_check_headers(uschar **);
770747fd 459extern int verify_check_header_names_ascii(uschar **);
059ec3d9 460extern int verify_check_host(uschar **);
1c41c9cc 461extern int verify_check_notblind(void);
5130845b 462extern int verify_check_given_host(uschar **, host_item *);
55414b25
JH		 463extern int verify_check_this_host(const uschar **, unsigned int *,
464 const uschar*, const uschar *, const uschar **);
059ec3d9
PH		 465extern address_item *verify_checked_sender(uschar *);
466extern void verify_get_ident(int);
467extern BOOL verify_sender(int *, uschar **);
468extern BOOL verify_sender_preliminary(int *, uschar **);
469extern void version_init(void);
470
17c76198
PP		 471extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
472
9d1c15ef
JH		 473/* vi: aw
474*/
059ec3d9 475/* End of functions.h */
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