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TLS: rework error logging to pass more string back to caller for logging
[exim.git] / src / src / functions.h
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
d4e5e70b 5/* Copyright (c) University of Cambridge 1995 - 2017 */
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
59b87190 42extern uschar * tls_cert_der_b64(void * cert);
6a8a60e0
JH		 43extern uschar * tls_cert_fprt_md5(void *);
44extern uschar * tls_cert_fprt_sha1(void *);
9ef9101c 45extern uschar * tls_cert_fprt_sha256(void *);
6a8a60e0 46
f5d78688 47extern int tls_client_start(int, host_item *, address_item *,
cf0c6164 48 transport_instance *,
790fbb71 49# ifdef EXPERIMENTAL_DANE
cf0c6164 50 dns_answer *,
790fbb71 51# endif
cf0c6164 52 uschar **);
817d9f57 53extern void tls_close(BOOL, BOOL);
9d1c15ef 54extern int tls_export_cert(uschar *, size_t, void *);
059ec3d9
PH		 55extern int tls_feof(void);
56extern int tls_ferror(void);
790fbb71 57extern void tls_free_cert(void **);
bd8fbe36 58extern int tls_getc(unsigned);
584e96c6 59extern void tls_get_cache(void);
9d1c15ef 60extern int tls_import_cert(const uschar *, void **);
817d9f57 61extern int tls_read(BOOL, uschar *, size_t);
cf0c6164 62extern int tls_server_start(const uschar *, uschar **);
58eb016e 63extern BOOL tls_smtp_buffered(void);
059ec3d9 64extern int tls_ungetc(int);
389ca47a 65extern int tls_write(BOOL, const uschar *, size_t);
3375e053 66extern uschar *tls_validate_require_cipher(void);
36f12725 67extern void tls_version_report(FILE *);
e51c7be2 68# ifndef USE_GNUTLS
77bb000f 69extern BOOL tls_openssl_options_parse(uschar *, long *);
e51c7be2 70# endif
55414b25
JH		 71extern uschar * tls_field_from_dn(uschar *, const uschar *);
72extern BOOL tls_is_name_for_cert(const uschar *, void *);
0e66b3b6
JH		 73
74# ifdef EXPERIMENTAL_DANE
4b0fe319 75extern int tlsa_lookup(const host_item *, dns_answer *, BOOL);
0e66b3b6
JH		 76# endif
77
35aba663 78#endif /*SUPPORT_TLS*/
059ec3d9
PH		 79
80
81/* Everything else... */
82
83extern acl_block *acl_read(uschar *(*)(void), uschar **);
84extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
05caaeaa 85extern int acl_eval(int, uschar *, uschar **, uschar **);
333eea9c 86
38a0a95f
PH		 87extern tree_node *acl_var_create(uschar *);
88extern void acl_var_write(uschar *, uschar *, void *);
cf0812d5 89extern void assert_no_variables(void *, int, const char *, int);
e1af7642 90extern int auth_call_pam(const uschar *, uschar **);
059ec3d9 91extern int auth_call_pwcheck(uschar *, uschar **);
93a6fce2
JH		 92extern int auth_call_radius(const uschar *, uschar **);
93extern int auth_call_saslauthd(const uschar *, const uschar *,
94 const uschar *, const uschar *, uschar **);
16ff981e 95extern int auth_check_serv_cond(auth_instance *);
44bbabb5
PP		 96extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
97
e1d04f48 98
059ec3d9
PH		 99extern int auth_get_data(uschar **, uschar *, int);
100extern int auth_get_no64_data(uschar **, uschar *);
101extern uschar *auth_xtextencode(uschar *, int);
102extern int auth_xtextdecode(uschar *, uschar **);
103
f4d091fb
JH		 104extern uschar *b64encode(uschar *, int);
105extern int b64decode(uschar *, uschar **);
bd8fbe36 106extern int bdat_getc(unsigned);
1ebe15c3
JH		 107extern void bdat_flush_data(void);
108
6c6d6e48
TF		 109extern void bits_clear(unsigned int *, size_t, int *);
110extern void bits_set(unsigned int *, size_t, int *);
111
2e5b33cd 112extern void cancel_cutthrough_connection(const char *);
55414b25 113extern int check_host(void *, const uschar *, const uschar **, uschar **);
059ec3d9 114extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
55414b25
JH		 115extern pid_t child_open_uid(const uschar **, const uschar **, int,
116 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
bc3c7bb7 117extern BOOL cleanup_environment(void);
e4bdf652
JH		 118extern uschar *cutthrough_finaldot(void);
119extern BOOL cutthrough_flush_send(void);
120extern BOOL cutthrough_headers_send(void);
121extern BOOL cutthrough_predata(void);
122extern BOOL cutthrough_puts(uschar *, int);
123extern BOOL cutthrough_put_nl(void);
059ec3d9
PH		 124
125extern void daemon_go(void);
6a8f9482
TK		 126
127#ifdef EXPERIMENTAL_DCC
128extern int dcc_process(uschar **);
129#endif
130
ed7f7860 131extern void debug_logging_activate(uschar *, uschar *);
b0d68adc 132extern void debug_logging_stop(void);
55414b25 133extern void debug_print_argv(const uschar **);
059ec3d9 134extern void debug_print_ids(uschar *);
e1d04f48 135extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 136extern void debug_print_string(uschar *);
137extern void debug_print_tree(tree_node *);
1ba28e2b 138extern void debug_vprintf(const char *, va_list);
6c6d6e48
TF		 139extern void decode_bits(unsigned int *, size_t, int *,
140 uschar *, bit_table *, int, uschar *, int);
059ec3d9 141extern address_item *deliver_make_addr(uschar *, BOOL);
476be7e2 142extern void deliver_init(void);
817d9f57 143extern void delivery_log(int, address_item *, int, uschar *);
059ec3d9 144extern int deliver_message(uschar *, BOOL, BOOL);
e0df1c83 145extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 146extern void deliver_set_expansions(address_item *);
147extern int deliver_split_address(address_item *);
148extern void deliver_succeeded(address_item *);
a39bd74d
JB		 149
150extern uschar *deliver_get_sender_address (uschar *id);
151
1ba28e2b 152extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
80a47a2c 153#ifndef DISABLE_DKIM
6b46ecc6
JH		 154extern BOOL dkim_transport_write_message(int, transport_ctx *,
155 struct ob_dkim *);
f7572e5a 156#endif
059ec3d9 157extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
476be7e2 158extern int dns_basic_lookup(dns_answer *, const uschar *, int);
55414b25 159extern void dns_build_reverse(const uschar *, uschar *);
8c51eead 160extern void dns_init(BOOL, BOOL, BOOL);
0539a19d 161extern BOOL dns_is_aa(const dns_answer *);
1dc92d5a 162extern BOOL dns_is_secure(const dns_answer *);
55414b25 163extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
476be7e2 164extern void dns_pattern_init(void);
55414b25 165extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
dd708fd7 166extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
059ec3d9 167extern uschar *dns_text_type(int);
36a3ae5f 168extern void dscp_list_to_stream(FILE *);
9e4f5962 169extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
059ec3d9
PH		 170
171extern void enq_end(uschar *);
e8ae7214 172extern BOOL enq_start(uschar *, unsigned);
0cbf2b82 173#ifndef DISABLE_EVENT
55414b25 174extern uschar *event_raise(uschar *, const uschar *, uschar *);
5ef5dd52 175extern void msg_event_raise(const uschar *, const address_item *);
774ef2d7 176#endif
37f3dc43 177extern const uschar * exim_errstr(int);
059ec3d9
PH		 178extern void exim_exit(int);
179extern void exim_nullstd(void);
180extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
181extern int exim_tvcmp(struct timeval *, struct timeval *);
182extern void exim_wait_tick(struct timeval *, int);
9c695f6d
JH		 183extern int exp_bool(address_item *addr,
184 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
185 uschar *svalue, BOOL *rvalue);
059ec3d9 186extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
93a6fce2
JH		 187extern uschar *expand_string(uschar *); /* public, cannot make const */
188extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
f42deca9 189extern uschar *expand_hide_passwords(uschar * );
55414b25 190extern uschar *expand_string_copy(const uschar *);
97d17305 191extern int_eximarith_t expand_string_integer(uschar *, BOOL);
d9b2312b 192extern void modify_variable(uschar *, void *);
059ec3d9 193
4e71661f
JH		 194extern BOOL fd_ready(int, int);
195
059ec3d9
PH		 196extern int filter_interpret(uschar *, int, address_item **, uschar **);
197extern BOOL filter_personal(string_item *, BOOL);
f05da2e8 198extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
059ec3d9
PH		 199extern BOOL filter_system_interpret(address_item **, uschar **);
200
362145b5
JH		 201extern uschar * fn_hdrs_added(void);
202
1ba28e2b 203extern void header_add(int, const char *, ...);
059ec3d9
PH		 204extern int header_checkname(header_line *, BOOL);
205extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
7cd1141b 206extern int host_address_extract_port(uschar *);
059ec3d9 207extern uschar *host_and_ident(BOOL);
55414b25
JH		 208extern int host_aton(const uschar *, int *);
209extern void host_build_hostlist(host_item **, const uschar *, BOOL);
210extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
059ec3d9
PH		 211extern void host_build_log_info(void);
212extern void host_build_sender_fullhost(void);
a207d5dd 213extern int host_find_byname(host_item *, const uschar *, int,
1f155f8e 214 const uschar **, BOOL);
55414b25 215extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
7cd171b7 216 uschar *, const dnssec_domains *, const uschar **, BOOL *);
059ec3d9 217extern ip_address_item *host_find_interfaces(void);
55414b25 218extern BOOL host_is_in_net(const uschar *, const uschar *, int);
059ec3d9 219extern BOOL host_is_tls_on_connect_port(int);
7cd1141b 220extern int host_item_get_port(host_item *);
059ec3d9
PH		 221extern void host_mask(int, int *, int);
222extern int host_name_lookup(void);
6f0c9a4f 223extern int host_nmtoa(int, int *, int, uschar *, int);
059ec3d9
PH		 224extern uschar *host_ntoa(int, const void *, uschar *, int *);
225extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
226
94431adb 227extern uschar *imap_utf7_encode(uschar *, const uschar *,
ed0512a1
JH		 228 uschar, uschar *, uschar **);
229
83e029d5 230extern void invert_address(uschar *, uschar *);
7eb6c37c 231extern int ip_addr(void *, int, const uschar *, int);
059ec3d9 232extern int ip_bind(int, int, uschar *, int);
fb05276a 233extern int ip_connect(int, int, const uschar *, int, int, BOOL);
b1f8e4f8
JH		 234extern int ip_connectedsocket(int, const uschar *, int, int,
235 int, host_item *, uschar **);
13363eba 236extern int ip_get_address_family(int);
55414b25 237extern void ip_keepalive(int, const uschar *, BOOL);
059ec3d9
PH		 238extern int ip_recv(int, uschar *, int, int);
239extern int ip_socket(int, int);
240
3e60dd41
JH		 241extern int ip_tcpsocket(const uschar *, uschar **, int);
242extern int ip_unixsocket(const uschar *, uschar **);
243extern int ip_streamsocket(const uschar *, uschar **, int);
244
fc4a7f70
JH		 245extern int ipv6_nmtoa(int *, uschar *);
246
921b12ca 247extern uschar *local_part_quote(uschar *);
4840604e 248extern int log_create(uschar *);
921b12ca 249extern int log_create_as_exim(uschar *);
059ec3d9
PH		 250extern void log_close_all(void);
251
8e6c4db1 252extern macro_item * macro_create(const uschar *, const uschar *, BOOL, BOOL);
9cd319d9 253extern void mainlog_close(void);
8523533c 254#ifdef WITH_CONTENT_SCAN
0f0c8159 255extern int malware(const uschar *, int);
dbc4b90d 256extern int malware_in_file(uschar *);
476be7e2 257extern void malware_init(void);
8523533c 258#endif
55414b25
JH		 259extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
260 unsigned int *, int, int, const uschar **);
261extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
262 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
263 const uschar *, const uschar **);
264extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
265 unsigned int *, int, BOOL, const uschar **);
266extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
267 const uschar **);
059ec3d9
PH		 268extern void md5_end(md5 *, const uschar *, int, uschar *);
269extern void md5_mid(md5 *, const uschar *);
270extern void md5_start(md5 *);
271extern void millisleep(int);
8523533c
TK		 272#ifdef WITH_CONTENT_SCAN
273struct mime_boundary_context;
54cdb463
PH		 274extern int mime_acl_check(uschar *acl, FILE *f,
275 struct mime_boundary_context *, uschar **, uschar **);
55414b25 276extern int mime_decode(const uschar **);
f4d091fb 277extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
55414b25 278extern int mime_regex(const uschar **);
f4d091fb 279extern void mime_set_anomaly(int);
8523533c 280#endif
059ec3d9
PH		 281extern uschar *moan_check_errorcopy(uschar *);
282extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
283 BOOL, uschar *);
e0df1c83 284extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
1ba28e2b 285extern void moan_tell_someone(uschar *, address_item *,
e0df1c83 286 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
059ec3d9 287extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
0e22dfd1 288extern void moan_write_from(FILE *);
1ba28e2b 289extern FILE *modefopen(const uschar *, const char *, mode_t);
059ec3d9 290
f9334a28 291extern int open_cutthrough_connection( address_item * addr );
e4bdf652 292
059ec3d9
PH		 293extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
294 BOOL);
295extern int parse_forward_list(uschar *, int, address_item **, uschar **,
55414b25 296 const uschar *, uschar *, error_block **);
059ec3d9
PH		 297extern uschar *parse_find_address_end(uschar *, BOOL);
298extern uschar *parse_find_at(uschar *);
55414b25 299extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
30dba1e6 300extern uschar *parse_message_id(uschar *, uschar **, uschar **);
55414b25 301extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
43ad7b7d 302extern uschar *parse_date_time(uschar *str, time_t *t);
17c76198
PP		 303extern int vaguely_random_number(int);
304#ifdef SUPPORT_TLS
305extern int vaguely_random_number_fallback(int);
306#endif
059ec3d9
PH		 307
308extern BOOL queue_action(uschar *, int, uschar **, int, int);
309extern void queue_check_only(void);
310extern void queue_list(int, uschar **, int);
311extern void queue_count(void);
312extern void queue_run(uschar *, uschar *, BOOL);
313
314extern int random_number(int);
e4a89c47 315extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
efd9a422
MH		 316 uschar *, uschar *, uschar *, ugid_block *, address_item **,
317 uschar **, error_block **, int *, uschar *);
059ec3d9
PH		 318extern int rda_is_filter(const uschar *);
319extern BOOL readconf_depends(driver_instance *, uschar *);
320extern void readconf_driver_init(uschar *, driver_instance **,
321 driver_info *, int, void *, int, optionlist *, int);
322extern uschar *readconf_find_option(void *);
34e86e20 323extern void readconf_main(BOOL);
383832ef 324extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
c0b9d3e8
JH		 325extern void readconf_options_routers(void);
326extern void readconf_options_transports(void);
327extern void readconf_print(uschar *, uschar *, BOOL);
059ec3d9
PH		 328extern uschar *readconf_printtime(int);
329extern uschar *readconf_readname(uschar *, int, uschar *);
1ad6489e 330extern int readconf_readtime(const uschar *, int, BOOL);
bf3c2c6b 331extern void readconf_rest(void);
55414b25 332extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
bf3c2c6b 333extern void readconf_save_config(const uschar *);
328895cc 334extern void read_message_body(BOOL);
8f128379 335extern void receive_bomb_out(uschar *, uschar *);
059ec3d9
PH		 336extern BOOL receive_check_fs(int);
337extern BOOL receive_check_set_sender(uschar *);
338extern BOOL receive_msg(BOOL);
8e669ac1 339extern int receive_statvfs(BOOL, int *);
059ec3d9 340extern void receive_swallow_smtp(void);
8523533c 341#ifdef WITH_CONTENT_SCAN
55414b25 342extern int regex(const uschar **);
8523533c 343#endif
1dc92d5a 344extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
476be7e2 345extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
059ec3d9 346extern void retry_add_item(address_item *, uschar *, int);
55414b25 347extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
059ec3d9 348 uschar **, uschar **);
55414b25
JH		 349extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
350extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
ba9af0af 351 dbdata_retry *, time_t);
059ec3d9
PH		 352extern void retry_update(address_item **, address_item **, address_item **);
353extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
354extern uschar *rewrite_address_qualify(uschar *, BOOL);
55414b25
JH		 355extern header_line *rewrite_header(header_line *,
356 const uschar *, const uschar *,
059ec3d9
PH		 357 rewrite_rule *, int, BOOL);
358extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
359 rewrite_rule *);
360extern void rewrite_test(uschar *);
361extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
362 uschar **);
363extern int route_address(address_item *, address_item **, address_item **,
364 address_item **, address_item **, int);
55414b25
JH		 365extern int route_check_prefix(const uschar *, const uschar *);
366extern int route_check_suffix(const uschar *, const uschar *);
059ec3d9 367extern BOOL route_findgroup(uschar *, gid_t *);
55414b25 368extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
059ec3d9
PH		 369extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
370 uschar **);
371extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
372 struct passwd **, uid_t *, uschar **);
373extern void route_init(void);
374extern void route_tidyup(void);
375
55414b25 376extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
059ec3d9 377 int, int *);
55414b25
JH		 378extern int search_findtype(const uschar *, int);
379extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
059ec3d9
PH		 380 int *);
381extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
382extern void search_tidyup(void);
e0df1c83 383extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
5fb822fc
JH		 384extern void sha1_end(hctx *, const uschar *, int, uschar *);
385extern void sha1_mid(hctx *, const uschar *);
386extern void sha1_start(hctx *);
e4a89c47 387extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
efd9a422 388 uschar *, address_item **, uschar **);
059ec3d9 389extern void sigalrm_handler(int);
58eb016e 390extern BOOL smtp_buffered(void);
059ec3d9 391extern void smtp_closedown(uschar *);
7eb6c37c
JH		 392extern int smtp_connect(host_item *, int, int, uschar *, int,
393 transport_instance *);
394extern int smtp_sock_connect(host_item *, int, int, uschar *,
395 transport_instance * tb, int);
059ec3d9
PH		 396extern int smtp_feof(void);
397extern int smtp_ferror(void);
398extern uschar *smtp_get_connection_info(void);
6f6dedcc 399extern BOOL smtp_get_interface(uschar *, int, address_item *,
059ec3d9
PH		 400 uschar **, uschar *);
401extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
bd8fbe36 402extern int smtp_getc(unsigned);
584e96c6 403extern void smtp_get_cache(void);
059ec3d9 404extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
b4ed4da0 405extern void smtp_log_no_mail(void);
4f6ae5c3 406extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
059ec3d9 407extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
a5bd321b 408extern void smtp_respond(uschar *, int, BOOL, uschar *);
8f128379 409extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
059ec3d9
PH		 410extern void smtp_send_prohibition_message(int, uschar *);
411extern int smtp_setup_msg(void);
412extern BOOL smtp_start_session(void);
413extern int smtp_ungetc(int);
d7b47fd0 414extern BOOL smtp_verify_helo(void);
e0df1c83 415extern int smtp_write_command(smtp_outblock *, BOOL, const char *, ...) PRINTF_FUNCTION(3,4);
8523533c 416#ifdef WITH_CONTENT_SCAN
55414b25 417extern int spam(const uschar **);
0f0c8159 418extern FILE *spool_mbox(unsigned long *, const uschar *);
8523533c 419#endif
059ec3d9 420extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
3369a853 421extern uschar *spool_dname(const uschar *, uschar *);
b4758425 422extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
41313d92 423extern uschar *spool_sname(const uschar *, uschar *);
789f8a4f 424extern int spool_open_datafile(uschar *);
059ec3d9
PH		 425extern int spool_open_temp(uschar *);
426extern int spool_read_header(uschar *, BOOL, BOOL);
427extern int spool_write_header(uschar *, int, uschar **);
bd8fbe36 428extern int stdin_getc(unsigned);
059ec3d9
PH		 429extern int stdin_feof(void);
430extern int stdin_ferror(void);
431extern int stdin_ungetc(int);
432extern uschar *string_append(uschar *, int *, int *, int, ...);
76146973 433extern uschar *string_append_listele(uschar *, uschar, const uschar *);
00ba27c5 434extern uschar *string_append_listele_n(uschar *, uschar, const uschar *, unsigned);
059ec3d9 435extern uschar *string_base62(unsigned long int);
c2f669a4
JH		 436extern uschar *string_cat(uschar *, int *, int *, const uschar *);
437extern uschar *string_catn(uschar *, int *, int *, const uschar *, int);
84bbb4d8 438extern int string_compare_by_pointer(const void *, const void *);
059ec3d9 439extern uschar *string_copy_dnsdomain(uschar *);
55414b25 440extern uschar *string_copy_malloc(const uschar *);
1dc92d5a 441extern uschar *string_copylc(const uschar *);
059ec3d9 442extern uschar *string_copynlc(uschar *, int);
55414b25 443extern uschar *string_dequote(const uschar **);
81f91683 444extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
059ec3d9 445extern uschar *string_format_size(int, uschar *);
55414b25 446extern int string_interpret_escape(const uschar **);
b1f8e4f8 447extern int string_is_ip_address(const uschar *, int *);
8c5d388a 448#ifdef SUPPORT_I18N
0d7911ea
JH		 449extern BOOL string_is_utf8(const uschar *);
450#endif
55414b25 451extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
e0df1c83 452extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
55414b25 453extern const uschar *string_printing2(const uschar *, BOOL);
e28326d8 454extern uschar *string_split_message(uschar *);
c7396ac5 455extern uschar *string_unprinting(uschar *);
8c5d388a 456#ifdef SUPPORT_I18N
3c8b3577 457extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
0d7911ea
JH		 458extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
459extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
460extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
461extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
462#endif
1ba28e2b
PP		 463extern BOOL string_vformat(uschar *, int, const char *, va_list);
464extern int strcmpic(const uschar *, const uschar *);
465extern int strncmpic(const uschar *, const uschar *, int);
059ec3d9
PH		 466extern uschar *strstric(uschar *, uschar *, BOOL);
467
468extern uschar *tod_stamp(int);
41afb5cb 469
35aba663 470extern void tls_modify_variables(tls_support *);
55414b25 471extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
a39bd74d 472 BOOL *, oicf, void*);
059ec3d9 473extern void transport_init(void);
55414b25 474extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
059ec3d9
PH		 475 int);
476extern uschar *transport_rcpt_address(address_item *, BOOL);
55414b25
JH		 477extern BOOL transport_set_up_command(const uschar ***, uschar *,
478 BOOL, int, address_item *, uschar *, uschar **);
059ec3d9
PH		 479extern void transport_update_waiting(host_item *, uschar *);
480extern BOOL transport_write_block(int, uschar *, int);
1ba28e2b 481extern BOOL transport_write_string(int, const char *, ...);
6d5c916c
JH		 482extern BOOL transport_headers_send(int, transport_ctx *,
483 BOOL (*)(int, transport_ctx *, uschar *, int));
6b46ecc6 484extern BOOL transport_write_message(int, transport_ctx *, int);
059ec3d9
PH		 485extern void tree_add_duplicate(uschar *, address_item *);
486extern void tree_add_nonrecipient(uschar *);
487extern void tree_add_unusable(host_item *);
488extern int tree_insertnode(tree_node **, tree_node *);
55414b25 489extern tree_node *tree_search(tree_node *, const uschar *);
059ec3d9 490extern void tree_write(tree_node *, FILE *);
38a0a95f 491extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
059ec3d9 492
8523533c
TK		 493#ifdef WITH_CONTENT_SCAN
494extern void unspool_mbox(void);
495#endif
8c5d388a 496#ifdef SUPPORT_I18N
fc362fc5
JH		 497extern void utf8_version_report(FILE *);
498#endif
8523533c 499
4deaf07d
PH		 500extern int verify_address(address_item *, FILE *, int, int, int, int,
501 uschar *, uschar *, BOOL *);
379ba7d0 502extern int verify_check_dnsbl(int, const uschar **, uschar **);
4deaf07d 503extern int verify_check_header_address(uschar **, uschar **, int, int, int,
fe5b5d0b 504 uschar *, uschar *, int, int *);
059ec3d9 505extern int verify_check_headers(uschar **);
770747fd 506extern int verify_check_header_names_ascii(uschar **);
059ec3d9 507extern int verify_check_host(uschar **);
1c41c9cc 508extern int verify_check_notblind(void);
5130845b 509extern int verify_check_given_host(uschar **, host_item *);
55414b25
JH		 510extern int verify_check_this_host(const uschar **, unsigned int *,
511 const uschar*, const uschar *, const uschar **);
059ec3d9
PH		 512extern address_item *verify_checked_sender(uschar *);
513extern void verify_get_ident(int);
514extern BOOL verify_sender(int *, uschar **);
515extern BOOL verify_sender_preliminary(int *, uschar **);
516extern void version_init(void);
517
17c76198
PP		 518extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
519
9d1c15ef
JH		 520/* vi: aw
521*/
059ec3d9 522/* End of functions.h */
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