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Overhaul the debug_selector and log_selector machinery to support variable-length...
[exim.git] / src / src / functions.h
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
3386088d 5/* Copyright (c) University of Cambridge 1995 - 2015 */
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 47 transport_instance *
790fbb71 48# ifdef EXPERIMENTAL_DANE
0e66b3b6 49 , dns_answer *
790fbb71 50# endif
0e66b3b6 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);
790fbb71 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
6c6d6e48
TF		 102extern void bits_clear(unsigned int *, size_t, int *);
103extern void bits_set(unsigned int *, size_t, int *);
104
2e5b33cd 105extern void cancel_cutthrough_connection(const char *);
55414b25 106extern int check_host(void *, const uschar *, const uschar **, uschar **);
059ec3d9 107extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
55414b25
JH		 108extern pid_t child_open_uid(const uschar **, const uschar **, int,
109 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
e4bdf652
JH		 110extern uschar *cutthrough_finaldot(void);
111extern BOOL cutthrough_flush_send(void);
112extern BOOL cutthrough_headers_send(void);
113extern BOOL cutthrough_predata(void);
114extern BOOL cutthrough_puts(uschar *, int);
115extern BOOL cutthrough_put_nl(void);
059ec3d9
PH		 116
117extern void daemon_go(void);
6a8f9482
TK		 118
119#ifdef EXPERIMENTAL_DCC
120extern int dcc_process(uschar **);
121#endif
122
ed7f7860 123extern void debug_logging_activate(uschar *, uschar *);
55414b25 124extern void debug_print_argv(const uschar **);
059ec3d9
PH		 125extern void debug_print_ids(uschar *);
126extern void debug_print_string(uschar *);
127extern void debug_print_tree(tree_node *);
1ba28e2b 128extern void debug_vprintf(const char *, va_list);
6c6d6e48
TF		 129extern void decode_bits(unsigned int *, size_t, int *,
130 uschar *, bit_table *, int, uschar *, int);
059ec3d9 131extern address_item *deliver_make_addr(uschar *, BOOL);
476be7e2 132extern void deliver_init(void);
817d9f57 133extern void delivery_log(int, address_item *, int, uschar *);
059ec3d9 134extern int deliver_message(uschar *, BOOL, BOOL);
e0df1c83 135extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 136extern void deliver_set_expansions(address_item *);
137extern int deliver_split_address(address_item *);
138extern void deliver_succeeded(address_item *);
a39bd74d
JB		 139
140extern uschar *deliver_get_sender_address (uschar *id);
141
8523533c
TK		 142#ifdef WITH_OLD_DEMIME
143extern int demime(uschar **);
144#endif
1ba28e2b 145extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
80a47a2c 146#ifndef DISABLE_DKIM
f7572e5a
TK		 147extern BOOL dkim_transport_write_message(address_item *, int, int,
148 int, uschar *, uschar *, uschar *, uschar *, rewrite_rule *,
80a47a2c 149 int, uschar *, uschar *, uschar *, uschar *, uschar *, uschar *);
f7572e5a 150#endif
059ec3d9 151extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
476be7e2 152extern int dns_basic_lookup(dns_answer *, const uschar *, int);
55414b25 153extern void dns_build_reverse(const uschar *, uschar *);
8c51eead 154extern void dns_init(BOOL, BOOL, BOOL);
0539a19d 155extern BOOL dns_is_aa(const dns_answer *);
1dc92d5a 156extern BOOL dns_is_secure(const dns_answer *);
55414b25 157extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
476be7e2 158extern void dns_pattern_init(void);
55414b25 159extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
059ec3d9
PH		 160extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
161extern uschar *dns_text_type(int);
36a3ae5f 162extern void dscp_list_to_stream(FILE *);
9e4f5962 163extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
059ec3d9
PH		 164
165extern void enq_end(uschar *);
166extern BOOL enq_start(uschar *);
774ef2d7 167#ifdef EXPERIMENTAL_EVENT
55414b25 168extern uschar *event_raise(uschar *, const uschar *, uschar *);
774ef2d7 169#endif
059ec3d9
PH		 170extern void exim_exit(int);
171extern void exim_nullstd(void);
172extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
173extern int exim_tvcmp(struct timeval *, struct timeval *);
174extern void exim_wait_tick(struct timeval *, int);
9c695f6d
JH		 175extern int exp_bool(address_item *addr,
176 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
177 uschar *svalue, BOOL *rvalue);
059ec3d9 178extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
93a6fce2
JH		 179extern uschar *expand_string(uschar *); /* public, cannot make const */
180extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
55414b25 181extern uschar *expand_string_copy(const uschar *);
97d17305 182extern int_eximarith_t expand_string_integer(uschar *, BOOL);
d9b2312b 183extern void modify_variable(uschar *, void *);
059ec3d9 184
4e71661f
JH		 185extern BOOL fd_ready(int, int);
186
059ec3d9
PH		 187extern int filter_interpret(uschar *, int, address_item **, uschar **);
188extern BOOL filter_personal(string_item *, BOOL);
f05da2e8 189extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
059ec3d9
PH		 190extern BOOL filter_system_interpret(address_item **, uschar **);
191
362145b5
JH		 192extern uschar * fn_hdrs_added(void);
193
1ba28e2b 194extern void header_add(int, const char *, ...);
059ec3d9
PH		 195extern int header_checkname(header_line *, BOOL);
196extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
7cd1141b 197extern int host_address_extract_port(uschar *);
059ec3d9 198extern uschar *host_and_ident(BOOL);
55414b25
JH		 199extern int host_aton(const uschar *, int *);
200extern void host_build_hostlist(host_item **, const uschar *, BOOL);
201extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
059ec3d9
PH		 202extern void host_build_log_info(void);
203extern void host_build_sender_fullhost(void);
1f155f8e
JH		 204extern BOOL host_find_byname(host_item *, const uschar *, int,
205 const uschar **, BOOL);
55414b25 206extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
7cd171b7 207 uschar *, const dnssec_domains *, const uschar **, BOOL *);
059ec3d9 208extern ip_address_item *host_find_interfaces(void);
55414b25 209extern BOOL host_is_in_net(const uschar *, const uschar *, int);
059ec3d9 210extern BOOL host_is_tls_on_connect_port(int);
7cd1141b 211extern int host_item_get_port(host_item *);
059ec3d9
PH		 212extern void host_mask(int, int *, int);
213extern int host_name_lookup(void);
6f0c9a4f 214extern int host_nmtoa(int, int *, int, uschar *, int);
059ec3d9
PH		 215extern uschar *host_ntoa(int, const void *, uschar *, int *);
216extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
217
ed0512a1
JH		 218extern uschar *imap_utf7_encode(uschar *, const uschar *,
219 uschar, uschar *, uschar **);
220
83e029d5 221extern void invert_address(uschar *, uschar *);
7eb6c37c 222extern int ip_addr(void *, int, const uschar *, int);
059ec3d9 223extern int ip_bind(int, int, uschar *, int);
a56cc2b8 224extern int ip_connect(int, int, const uschar *, int, int);
b1f8e4f8
JH		 225extern int ip_connectedsocket(int, const uschar *, int, int,
226 int, host_item *, uschar **);
13363eba 227extern int ip_get_address_family(int);
55414b25 228extern void ip_keepalive(int, const uschar *, BOOL);
059ec3d9
PH		 229extern int ip_recv(int, uschar *, int, int);
230extern int ip_socket(int, int);
231
3e60dd41
JH		 232extern int ip_tcpsocket(const uschar *, uschar **, int);
233extern int ip_unixsocket(const uschar *, uschar **);
234extern int ip_streamsocket(const uschar *, uschar **, int);
235
921b12ca 236extern uschar *local_part_quote(uschar *);
4840604e 237extern int log_create(uschar *);
921b12ca 238extern int log_create_as_exim(uschar *);
059ec3d9
PH		 239extern void log_close_all(void);
240
8523533c 241#ifdef WITH_CONTENT_SCAN
0f0c8159 242extern int malware(const uschar *, int);
dbc4b90d 243extern int malware_in_file(uschar *);
476be7e2 244extern void malware_init(void);
8523533c 245#endif
55414b25
JH		 246extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
247 unsigned int *, int, int, const uschar **);
248extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
249 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
250 const uschar *, const uschar **);
251extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
252 unsigned int *, int, BOOL, const uschar **);
253extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
254 const uschar **);
059ec3d9
PH		 255extern void md5_end(md5 *, const uschar *, int, uschar *);
256extern void md5_mid(md5 *, const uschar *);
257extern void md5_start(md5 *);
258extern void millisleep(int);
8523533c
TK		 259#ifdef WITH_CONTENT_SCAN
260struct mime_boundary_context;
54cdb463
PH		 261extern int mime_acl_check(uschar *acl, FILE *f,
262 struct mime_boundary_context *, uschar **, uschar **);
55414b25
JH		 263extern int mime_decode(const uschar **);
264extern int mime_regex(const uschar **);
8523533c 265#endif
059ec3d9
PH		 266extern uschar *moan_check_errorcopy(uschar *);
267extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
268 BOOL, uschar *);
e0df1c83 269extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
1ba28e2b 270extern void moan_tell_someone(uschar *, address_item *,
e0df1c83 271 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
059ec3d9 272extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
0e22dfd1 273extern void moan_write_from(FILE *);
1ba28e2b 274extern FILE *modefopen(const uschar *, const char *, mode_t);
059ec3d9 275
e4bdf652
JH		 276extern void open_cutthrough_connection( address_item * addr );
277
059ec3d9
PH		 278extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
279 BOOL);
280extern int parse_forward_list(uschar *, int, address_item **, uschar **,
55414b25 281 const uschar *, uschar *, error_block **);
059ec3d9
PH		 282extern uschar *parse_find_address_end(uschar *, BOOL);
283extern uschar *parse_find_at(uschar *);
55414b25 284extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
30dba1e6 285extern uschar *parse_message_id(uschar *, uschar **, uschar **);
55414b25 286extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
43ad7b7d 287extern uschar *parse_date_time(uschar *str, time_t *t);
17c76198
PP		 288extern int vaguely_random_number(int);
289#ifdef SUPPORT_TLS
290extern int vaguely_random_number_fallback(int);
291#endif
059ec3d9
PH		 292
293extern BOOL queue_action(uschar *, int, uschar **, int, int);
294extern void queue_check_only(void);
295extern void queue_list(int, uschar **, int);
296extern void queue_count(void);
297extern void queue_run(uschar *, uschar *, BOOL);
298
299extern int random_number(int);
e4a89c47 300extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
efd9a422
MH		 301 uschar *, uschar *, uschar *, ugid_block *, address_item **,
302 uschar **, error_block **, int *, uschar *);
059ec3d9
PH		 303extern int rda_is_filter(const uschar *);
304extern BOOL readconf_depends(driver_instance *, uschar *);
305extern void readconf_driver_init(uschar *, driver_instance **,
306 driver_info *, int, void *, int, optionlist *, int);
307extern uschar *readconf_find_option(void *);
308extern void readconf_main(void);
12f69989 309extern void readconf_print(uschar *, uschar *, BOOL);
059ec3d9
PH		 310extern uschar *readconf_printtime(int);
311extern uschar *readconf_readname(uschar *, int, uschar *);
1ad6489e 312extern int readconf_readtime(const uschar *, int, BOOL);
cb46fd2b 313extern void readconf_rest();
55414b25 314extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
328895cc 315extern void read_message_body(BOOL);
8f128379 316extern void receive_bomb_out(uschar *, uschar *);
059ec3d9
PH		 317extern BOOL receive_check_fs(int);
318extern BOOL receive_check_set_sender(uschar *);
319extern BOOL receive_msg(BOOL);
8e669ac1 320extern int receive_statvfs(BOOL, int *);
059ec3d9 321extern void receive_swallow_smtp(void);
8523533c 322#ifdef WITH_CONTENT_SCAN
55414b25 323extern int regex(const uschar **);
8523533c 324#endif
1dc92d5a 325extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
476be7e2 326extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
059ec3d9 327extern void retry_add_item(address_item *, uschar *, int);
55414b25 328extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
059ec3d9 329 uschar **, uschar **);
55414b25
JH		 330extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
331extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
ba9af0af 332 dbdata_retry *, time_t);
059ec3d9
PH		 333extern void retry_update(address_item **, address_item **, address_item **);
334extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
335extern uschar *rewrite_address_qualify(uschar *, BOOL);
55414b25
JH		 336extern header_line *rewrite_header(header_line *,
337 const uschar *, const uschar *,
059ec3d9
PH		 338 rewrite_rule *, int, BOOL);
339extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
340 rewrite_rule *);
341extern void rewrite_test(uschar *);
342extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
343 uschar **);
344extern int route_address(address_item *, address_item **, address_item **,
345 address_item **, address_item **, int);
55414b25
JH		 346extern int route_check_prefix(const uschar *, const uschar *);
347extern int route_check_suffix(const uschar *, const uschar *);
059ec3d9 348extern BOOL route_findgroup(uschar *, gid_t *);
55414b25 349extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
059ec3d9
PH		 350extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
351 uschar **);
352extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
353 struct passwd **, uid_t *, uschar **);
354extern void route_init(void);
355extern void route_tidyup(void);
356
55414b25 357extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
059ec3d9 358 int, int *);
55414b25
JH		 359extern int search_findtype(const uschar *, int);
360extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
059ec3d9
PH		 361 int *);
362extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
363extern void search_tidyup(void);
e0df1c83 364extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 365extern void sha1_end(sha1 *, const uschar *, int, uschar *);
366extern void sha1_mid(sha1 *, const uschar *);
367extern void sha1_start(sha1 *);
e4a89c47 368extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
efd9a422 369 uschar *, address_item **, uschar **);
059ec3d9 370extern void sigalrm_handler(int);
58eb016e 371extern BOOL smtp_buffered(void);
059ec3d9 372extern void smtp_closedown(uschar *);
7eb6c37c
JH		 373extern int smtp_connect(host_item *, int, int, uschar *, int,
374 transport_instance *);
375extern int smtp_sock_connect(host_item *, int, int, uschar *,
376 transport_instance * tb, int);
059ec3d9
PH		 377extern int smtp_feof(void);
378extern int smtp_ferror(void);
379extern uschar *smtp_get_connection_info(void);
380extern BOOL smtp_get_interface(uschar *, int, address_item *, BOOL *,
381 uschar **, uschar *);
382extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
383extern int smtp_getc(void);
384extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
b4ed4da0 385extern void smtp_log_no_mail(void);
4e88a19f 386extern void smtp_message_code(uschar **, int *, uschar **, uschar **);
059ec3d9 387extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
a5bd321b 388extern void smtp_respond(uschar *, int, BOOL, uschar *);
8f128379 389extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
059ec3d9
PH		 390extern void smtp_send_prohibition_message(int, uschar *);
391extern int smtp_setup_msg(void);
392extern BOOL smtp_start_session(void);
393extern int smtp_ungetc(int);
d7b47fd0 394extern BOOL smtp_verify_helo(void);
e0df1c83 395extern int smtp_write_command(smtp_outblock *, BOOL, const char *, ...) PRINTF_FUNCTION(3,4);
8523533c 396#ifdef WITH_CONTENT_SCAN
55414b25 397extern int spam(const uschar **);
0f0c8159 398extern FILE *spool_mbox(unsigned long *, const uschar *);
8523533c 399#endif
059ec3d9
PH		 400extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
401extern BOOL spool_open_datafile(uschar *);
402extern int spool_open_temp(uschar *);
403extern int spool_read_header(uschar *, BOOL, BOOL);
404extern int spool_write_header(uschar *, int, uschar **);
405extern int stdin_getc(void);
406extern int stdin_feof(void);
407extern int stdin_ferror(void);
408extern int stdin_ungetc(int);
409extern uschar *string_append(uschar *, int *, int *, int, ...);
76146973 410extern uschar *string_append_listele(uschar *, uschar, const uschar *);
00ba27c5 411extern uschar *string_append_listele_n(uschar *, uschar, const uschar *, unsigned);
059ec3d9
PH		 412extern uschar *string_base62(unsigned long int);
413extern uschar *string_cat(uschar *, int *, int *, const uschar *, int);
414extern uschar *string_copy_dnsdomain(uschar *);
55414b25 415extern uschar *string_copy_malloc(const uschar *);
1dc92d5a 416extern uschar *string_copylc(const uschar *);
059ec3d9 417extern uschar *string_copynlc(uschar *, int);
55414b25 418extern uschar *string_dequote(const uschar **);
81f91683 419extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
059ec3d9 420extern uschar *string_format_size(int, uschar *);
55414b25 421extern int string_interpret_escape(const uschar **);
b1f8e4f8 422extern int string_is_ip_address(const uschar *, int *);
0d7911ea
JH		 423#ifdef EXPERIMENTAL_INTERNATIONAL
424extern BOOL string_is_utf8(const uschar *);
425#endif
059ec3d9 426extern uschar *string_log_address(address_item *, BOOL, BOOL);
55414b25 427extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
e0df1c83 428extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
55414b25 429extern const uschar *string_printing2(const uschar *, BOOL);
e28326d8 430extern uschar *string_split_message(uschar *);
c7396ac5 431extern uschar *string_unprinting(uschar *);
0d7911ea 432#ifdef EXPERIMENTAL_INTERNATIONAL
3c8b3577 433extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
0d7911ea
JH		 434extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
435extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
436extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
437extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
438#endif
1ba28e2b
PP		 439extern BOOL string_vformat(uschar *, int, const char *, va_list);
440extern int strcmpic(const uschar *, const uschar *);
441extern int strncmpic(const uschar *, const uschar *, int);
059ec3d9
PH		 442extern uschar *strstric(uschar *, uschar *, BOOL);
443
444extern uschar *tod_stamp(int);
41afb5cb 445
35aba663 446extern void tls_modify_variables(tls_support *);
55414b25 447extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
a39bd74d 448 BOOL *, oicf, void*);
059ec3d9 449extern void transport_init(void);
55414b25 450extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
059ec3d9
PH		 451 int);
452extern uschar *transport_rcpt_address(address_item *, BOOL);
55414b25
JH		 453extern BOOL transport_set_up_command(const uschar ***, uschar *,
454 BOOL, int, address_item *, uschar *, uschar **);
059ec3d9
PH		 455extern void transport_update_waiting(host_item *, uschar *);
456extern BOOL transport_write_block(int, uschar *, int);
1ba28e2b 457extern BOOL transport_write_string(int, const char *, ...);
511a6c14
JH		 458extern BOOL transport_headers_send(address_item *, int, uschar *, uschar *,
459 BOOL (*)(int, uschar *, int, BOOL), BOOL, rewrite_rule *, int);
059ec3d9
PH		 460extern BOOL transport_write_message(address_item *, int, int, int, uschar *,
461 uschar *, uschar *, uschar *, rewrite_rule *, int);
462extern void tree_add_duplicate(uschar *, address_item *);
463extern void tree_add_nonrecipient(uschar *);
464extern void tree_add_unusable(host_item *);
465extern int tree_insertnode(tree_node **, tree_node *);
55414b25 466extern tree_node *tree_search(tree_node *, const uschar *);
059ec3d9 467extern void tree_write(tree_node *, FILE *);
38a0a95f 468extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
059ec3d9 469
8523533c
TK		 470#ifdef WITH_CONTENT_SCAN
471extern void unspool_mbox(void);
472#endif
fc362fc5
JH		 473#ifdef EXPERIMENTAL_INTERNATIONAL
474extern void utf8_version_report(FILE *);
475#endif
8523533c 476
4deaf07d
PH		 477extern int verify_address(address_item *, FILE *, int, int, int, int,
478 uschar *, uschar *, BOOL *);
55414b25 479extern int verify_check_dnsbl(const uschar **);
4deaf07d 480extern int verify_check_header_address(uschar **, uschar **, int, int, int,
fe5b5d0b 481 uschar *, uschar *, int, int *);
059ec3d9 482extern int verify_check_headers(uschar **);
770747fd 483extern int verify_check_header_names_ascii(uschar **);
059ec3d9 484extern int verify_check_host(uschar **);
1c41c9cc 485extern int verify_check_notblind(void);
5130845b 486extern int verify_check_given_host(uschar **, host_item *);
55414b25
JH		 487extern int verify_check_this_host(const uschar **, unsigned int *,
488 const uschar*, const uschar *, const uschar **);
059ec3d9
PH		 489extern address_item *verify_checked_sender(uschar *);
490extern void verify_get_ident(int);
491extern BOOL verify_sender(int *, uschar **);
492extern BOOL verify_sender_preliminary(int *, uschar **);
493extern void version_init(void);
494
17c76198
PP		 495extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
496
9d1c15ef
JH		 497/* vi: aw
498*/
059ec3d9 499/* End of functions.h */
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