1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* See the file NOTICE for conditions of use and distribution. */
9 /* Prototypes for functions that appear in various modules. Gathered together
10 to avoid having a lot of tiddly little headers with only a couple of lines in
11 them. However, some functions that are used (or not used) by utility programs
12 are in in fact in separate headers. */
16 extern gstring
*call_perl_cat(gstring
*, uschar
**, uschar
*,
17 uschar
**) WARN_UNUSED_RESULT
;
18 extern void cleanup_perl(void);
19 extern uschar
*init_perl(uschar
*);
25 std_dh_prime_default(void);
27 std_dh_prime_named(const uschar
*);
29 extern uschar
* tls_cert_crl_uri(void *, uschar
* mod
);
30 extern uschar
* tls_cert_ext_by_oid(void *, uschar
*, int);
31 extern uschar
* tls_cert_issuer(void *, uschar
* mod
);
32 extern uschar
* tls_cert_not_before(void *, uschar
* mod
);
33 extern uschar
* tls_cert_not_after(void *, uschar
* mod
);
34 extern uschar
* tls_cert_ocsp_uri(void *, uschar
* mod
);
35 extern uschar
* tls_cert_serial_number(void *, uschar
* mod
);
36 extern uschar
* tls_cert_signature(void *, uschar
* mod
);
37 extern uschar
* tls_cert_signature_algorithm(void *, uschar
* mod
);
38 extern uschar
* tls_cert_subject(void *, uschar
* mod
);
39 extern uschar
* tls_cert_subject_altname(void *, uschar
* mod
);
40 extern uschar
* tls_cert_version(void *, uschar
* mod
);
42 extern uschar
* tls_cert_der_b64(void * cert
);
43 extern uschar
* tls_cert_fprt_md5(void *);
44 extern uschar
* tls_cert_fprt_sha1(void *);
45 extern uschar
* tls_cert_fprt_sha256(void *);
47 extern BOOL
tls_client_start(client_conn_ctx
*, smtp_connect_args
*,
48 void *, tls_support
*, uschar
**);
50 extern void tls_close(void *, int);
51 extern BOOL
tls_could_read(void);
52 extern int tls_export_cert(uschar
*, size_t, void *);
53 extern int tls_feof(void);
54 extern int tls_ferror(void);
55 extern void tls_free_cert(void **);
56 extern int tls_getc(unsigned);
57 extern uschar
*tls_getbuf(unsigned *);
58 extern void tls_get_cache(void);
59 extern int tls_import_cert(const uschar
*, void **);
60 extern int tls_read(void *, uschar
*, size_t);
61 extern int tls_server_start(const uschar
*, uschar
**);
62 extern BOOL
tls_smtp_buffered(void);
63 extern int tls_ungetc(int);
64 extern int tls_write(void *, const uschar
*, size_t, BOOL
);
65 extern uschar
*tls_validate_require_cipher(void);
66 extern void tls_version_report(FILE *);
68 extern BOOL
tls_openssl_options_parse(uschar
*, long *);
70 extern uschar
* tls_field_from_dn(uschar
*, const uschar
*);
71 extern BOOL
tls_is_name_for_cert(const uschar
*, void *);
74 extern int tlsa_lookup(const host_item
*, dns_answer
*, BOOL
);
77 #endif /*SUPPORT_TLS*/
80 /* Everything else... */
82 extern acl_block
*acl_read(uschar
*(*)(void), uschar
**);
83 extern int acl_check(int, uschar
*, uschar
*, uschar
**, uschar
**);
84 extern int acl_eval(int, uschar
*, uschar
**, uschar
**);
86 extern tree_node
*acl_var_create(uschar
*);
87 extern void acl_var_write(uschar
*, uschar
*, void *);
89 #ifdef EXPERIMENTAL_ARC
90 extern void *arc_ams_setup_sign_bodyhash(void);
91 extern const uschar
*arc_header_feed(gstring
*, BOOL
);
92 extern gstring
*arc_sign(const uschar
*, gstring
*, uschar
**);
93 extern void arc_sign_init(void);
94 extern const uschar
*acl_verify_arc(void);
95 extern uschar
* fn_arc_domains(void);
98 extern void assert_no_variables(void *, int, const char *, int);
99 extern int auth_call_pam(const uschar
*, uschar
**);
100 extern int auth_call_pwcheck(uschar
*, uschar
**);
101 extern int auth_call_radius(const uschar
*, uschar
**);
102 extern int auth_call_saslauthd(const uschar
*, const uschar
*,
103 const uschar
*, const uschar
*, uschar
**);
104 extern int auth_check_serv_cond(auth_instance
*);
105 extern int auth_check_some_cond(auth_instance
*, uschar
*, uschar
*, int);
106 extern int auth_client_item(void *, auth_instance
*, const uschar
**,
107 unsigned, int, uschar
*, int);
110 extern int auth_get_data(uschar
**, const uschar
*, int);
111 extern int auth_get_no64_data(uschar
**, uschar
*);
112 extern int auth_prompt(const uschar
*);
113 extern int auth_read_input(const uschar
*);
114 extern void auth_show_supported(FILE *);
115 extern uschar
*auth_xtextencode(uschar
*, int);
116 extern int auth_xtextdecode(uschar
*, uschar
**);
118 #ifdef EXPERIMENTAL_ARC
119 extern gstring
*authres_arc(gstring
*);
122 extern gstring
*authres_dkim(gstring
*);
124 #ifdef EXPERIMENTAL_DMARC
125 extern gstring
*authres_dmarc(gstring
*);
127 extern gstring
*authres_smtpauth(gstring
*);
129 extern gstring
*authres_spf(gstring
*);
132 extern uschar
*b64encode(const uschar
*, int);
133 extern int b64decode(const uschar
*, uschar
**);
134 extern int bdat_getc(unsigned);
135 extern uschar
*bdat_getbuf(unsigned *);
136 extern int bdat_ungetc(int);
137 extern void bdat_flush_data(void);
139 extern void bits_clear(unsigned int *, size_t, int *);
140 extern void bits_set(unsigned int *, size_t, int *);
142 extern void cancel_cutthrough_connection(BOOL
, const uschar
*);
143 extern int check_host(void *, const uschar
*, const uschar
**, uschar
**);
144 extern uschar
**child_exec_exim(int, BOOL
, int *, BOOL
, int, ...);
145 extern pid_t
child_open_uid(const uschar
**, const uschar
**, int,
146 uid_t
*, gid_t
*, int *, int *, uschar
*, BOOL
);
147 extern BOOL
cleanup_environment(void);
148 extern void cutthrough_data_puts(uschar
*, int);
149 extern void cutthrough_data_put_nl(void);
150 extern uschar
*cutthrough_finaldot(void);
151 extern BOOL
cutthrough_flush_send(void);
152 extern BOOL
cutthrough_headers_send(void);
153 extern BOOL
cutthrough_predata(void);
154 extern void release_cutthrough_connection(const uschar
*);
156 extern void daemon_go(void);
158 #ifdef EXPERIMENTAL_DCC
159 extern int dcc_process(uschar
**);
162 extern void debug_logging_activate(uschar
*, uschar
*);
163 extern void debug_logging_stop(void);
164 extern void debug_print_argv(const uschar
**);
165 extern void debug_print_ids(uschar
*);
166 extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
167 extern void debug_print_string(uschar
*);
168 extern void debug_print_tree(tree_node
*);
169 extern void debug_vprintf(int, const char *, va_list);
170 extern void decode_bits(unsigned int *, size_t, int *,
171 uschar
*, bit_table
*, int, uschar
*, int);
172 extern address_item
*deliver_make_addr(uschar
*, BOOL
);
173 extern void deliver_init(void);
174 extern void delivery_log(int, address_item
*, int, uschar
*);
175 extern int deliver_message(uschar
*, BOOL
, BOOL
);
176 extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
177 extern void deliver_set_expansions(address_item
*);
178 extern int deliver_split_address(address_item
*);
179 extern void deliver_succeeded(address_item
*);
181 extern uschar
*deliver_get_sender_address (uschar
*id
);
182 extern void delivery_re_exec(int);
184 extern BOOL
directory_make(const uschar
*, const uschar
*, int, BOOL
);
186 extern uschar
*dkim_exim_query_dns_txt(uschar
*);
187 extern void dkim_exim_sign_init(void);
189 extern BOOL
dkim_transport_write_message(transport_ctx
*,
190 struct ob_dkim
*, const uschar
** errstr
);
192 extern dns_address
*dns_address_from_rr(dns_answer
*, dns_record
*);
193 extern int dns_basic_lookup(dns_answer
*, const uschar
*, int);
194 extern void dns_build_reverse(const uschar
*, uschar
*);
195 extern void dns_init(BOOL
, BOOL
, BOOL
);
196 extern BOOL
dns_is_aa(const dns_answer
*);
197 extern BOOL
dns_is_secure(const dns_answer
*);
198 extern int dns_lookup(dns_answer
*, const uschar
*, int, const uschar
**);
199 extern void dns_pattern_init(void);
200 extern int dns_special_lookup(dns_answer
*, const uschar
*, int, const uschar
**);
201 extern dns_record
*dns_next_rr(const dns_answer
*, dns_scan
*, int);
202 extern uschar
*dns_text_type(int);
203 extern void dscp_list_to_stream(FILE *);
204 extern BOOL
dscp_lookup(const uschar
*, int, int *, int *, int *);
206 extern void enq_end(uschar
*);
207 extern BOOL
enq_start(uschar
*, unsigned);
208 #ifndef DISABLE_EVENT
209 extern uschar
*event_raise(uschar
*, const uschar
*, uschar
*);
210 extern void msg_event_raise(const uschar
*, const address_item
*);
212 extern const uschar
* exim_errstr(int);
213 extern void exim_exit(int, const uschar
*);
214 extern void exim_nullstd(void);
215 extern void exim_setugid(uid_t
, gid_t
, BOOL
, uschar
*);
216 extern void exim_wait_tick(struct timeval
*, int);
217 extern int exp_bool(address_item
*addr
,
218 uschar
*mtype
, uschar
*mname
, unsigned dgb_opt
, uschar
*oname
, BOOL bvalue
,
219 uschar
*svalue
, BOOL
*rvalue
);
220 extern BOOL
expand_check_condition(uschar
*, uschar
*, uschar
*);
221 extern uschar
*expand_file_big_buffer(const uschar
*);
222 extern uschar
*expand_string(uschar
*); /* public, cannot make const */
223 extern const uschar
*expand_cstring(const uschar
*); /* ... so use this one */
224 extern uschar
*expand_hide_passwords(uschar
* );
225 extern uschar
*expand_string_copy(const uschar
*);
226 extern int_eximarith_t
expand_string_integer(uschar
*, BOOL
);
227 extern void modify_variable(uschar
*, void *);
229 extern BOOL
fd_ready(int, int);
231 extern int filter_interpret(uschar
*, int, address_item
**, uschar
**);
232 extern BOOL
filter_personal(string_item
*, BOOL
);
233 extern BOOL
filter_runtest(int, uschar
*, BOOL
, BOOL
);
234 extern BOOL
filter_system_interpret(address_item
**, uschar
**);
236 extern uschar
* fn_hdrs_added(void);
238 extern void gstring_reset_unused(gstring
*);
240 extern void header_add(int, const char *, ...);
241 extern header_line
*header_add_at_position_internal(BOOL
, uschar
*, BOOL
, int, const char *, ...);
242 extern int header_checkname(header_line
*, BOOL
);
243 extern BOOL
header_match(uschar
*, BOOL
, BOOL
, string_item
*, int, ...);
244 extern int host_address_extract_port(uschar
*);
245 extern uschar
*host_and_ident(BOOL
);
246 extern int host_aton(const uschar
*, int *);
247 extern void host_build_hostlist(host_item
**, const uschar
*, BOOL
);
248 extern ip_address_item
*host_build_ifacelist(const uschar
*, uschar
*);
249 extern void host_build_log_info(void);
250 extern void host_build_sender_fullhost(void);
251 extern int host_find_byname(host_item
*, const uschar
*, int,
252 const uschar
**, BOOL
);
253 extern int host_find_bydns(host_item
*, const uschar
*, int, uschar
*, uschar
*,
254 uschar
*, const dnssec_domains
*, const uschar
**, BOOL
*);
255 extern ip_address_item
*host_find_interfaces(void);
256 extern BOOL
host_is_in_net(const uschar
*, const uschar
*, int);
257 extern BOOL
host_is_tls_on_connect_port(int);
258 extern int host_item_get_port(host_item
*);
259 extern void host_mask(int, int *, int);
260 extern int host_name_lookup(void);
261 extern int host_nmtoa(int, int *, int, uschar
*, int);
262 extern uschar
*host_ntoa(int, const void *, uschar
*, int *);
263 extern int host_scan_for_local_hosts(host_item
*, host_item
**, BOOL
*);
265 extern uschar
*imap_utf7_encode(uschar
*, const uschar
*,
266 uschar
, uschar
*, uschar
**);
268 extern void invert_address(uschar
*, uschar
*);
269 extern int ip_addr(void *, int, const uschar
*, int);
270 extern int ip_bind(int, int, uschar
*, int);
271 extern int ip_connect(int, int, const uschar
*, int, int, const blob
*);
272 extern int ip_connectedsocket(int, const uschar
*, int, int,
273 int, host_item
*, uschar
**, const blob
*);
274 extern int ip_get_address_family(int);
275 extern void ip_keepalive(int, const uschar
*, BOOL
);
276 extern int ip_recv(client_conn_ctx
*, uschar
*, int, int);
277 extern int ip_socket(int, int);
279 extern int ip_tcpsocket(const uschar
*, uschar
**, int);
280 extern int ip_unixsocket(const uschar
*, uschar
**);
281 extern int ip_streamsocket(const uschar
*, uschar
**, int);
283 extern int ipv6_nmtoa(int *, uschar
*);
285 extern uschar
*local_part_quote(uschar
*);
286 extern int log_create(uschar
*);
287 extern int log_create_as_exim(uschar
*);
288 extern void log_close_all(void);
290 extern macro_item
* macro_create(const uschar
*, const uschar
*, BOOL
);
291 extern BOOL
macro_read_assignment(uschar
*);
292 extern uschar
*macros_expand(int, int *, BOOL
*);
293 extern void mainlog_close(void);
294 #ifdef WITH_CONTENT_SCAN
295 extern int malware(const uschar
*, int);
296 extern int malware_in_file(uschar
*);
297 extern void malware_init(void);
298 extern void malware_show_supported(FILE *);
300 extern int match_address_list(const uschar
*, BOOL
, BOOL
, const uschar
**,
301 unsigned int *, int, int, const uschar
**);
302 extern int match_address_list_basic(const uschar
*, const uschar
**, int);
303 extern int match_check_list(const uschar
**, int, tree_node
**, unsigned int **,
304 int(*)(void *, const uschar
*, const uschar
**, uschar
**), void *, int,
305 const uschar
*, const uschar
**);
306 extern int match_isinlist(const uschar
*, const uschar
**, int, tree_node
**,
307 unsigned int *, int, BOOL
, const uschar
**);
308 extern int match_check_string(const uschar
*, const uschar
*, int, BOOL
, BOOL
, BOOL
,
310 extern void md5_end(md5
*, const uschar
*, int, uschar
*);
311 extern void md5_mid(md5
*, const uschar
*);
312 extern void md5_start(md5
*);
313 extern void millisleep(int);
314 #ifdef WITH_CONTENT_SCAN
315 struct mime_boundary_context
;
316 extern int mime_acl_check(uschar
*acl
, FILE *f
,
317 struct mime_boundary_context
*, uschar
**, uschar
**);
318 extern int mime_decode(const uschar
**);
319 extern ssize_t
mime_decode_base64(FILE *, FILE *, uschar
*);
320 extern int mime_regex(const uschar
**);
321 extern void mime_set_anomaly(int);
323 extern uschar
*moan_check_errorcopy(uschar
*);
324 extern BOOL
moan_skipped_syntax_errors(uschar
*, error_block
*, uschar
*,
326 extern void moan_smtp_batch(uschar
*, const char *, ...) PRINTF_FUNCTION(2,3);
327 extern BOOL
moan_send_message(uschar
*, int, error_block
*eblock
,
328 header_line
*, FILE *, uschar
*);
329 extern void moan_tell_someone(uschar
*, address_item
*,
330 const uschar
*, const char *, ...) PRINTF_FUNCTION(4,5);
331 extern BOOL
moan_to_sender(int, error_block
*, header_line
*, FILE *, BOOL
);
332 extern void moan_write_from(FILE *);
333 extern FILE *modefopen(const uschar
*, const char *, mode_t
);
335 extern int open_cutthrough_connection( address_item
* addr
);
337 extern uschar
*parse_extract_address(uschar
*, uschar
**, int *, int *, int *,
339 extern int parse_forward_list(uschar
*, int, address_item
**, uschar
**,
340 const uschar
*, uschar
*, error_block
**);
341 extern uschar
*parse_find_address_end(uschar
*, BOOL
);
342 extern uschar
*parse_find_at(uschar
*);
343 extern const uschar
*parse_fix_phrase(const uschar
*, int, uschar
*, int);
344 extern uschar
*parse_message_id(uschar
*, uschar
**, uschar
**);
345 extern const uschar
*parse_quote_2047(const uschar
*, int, uschar
*, uschar
*, int, BOOL
);
346 extern uschar
*parse_date_time(uschar
*str
, time_t *t
);
347 extern int vaguely_random_number(int);
349 extern int vaguely_random_number_fallback(int);
352 extern BOOL
queue_action(uschar
*, int, uschar
**, int, int);
353 extern void queue_check_only(void);
354 extern void queue_list(int, uschar
**, int);
355 extern void queue_count(void);
356 extern void queue_run(uschar
*, uschar
*, BOOL
);
358 extern int random_number(int);
359 extern const uschar
*rc_to_string(int);
360 extern int rda_interpret(redirect_block
*, int, uschar
*, uschar
*,
361 uschar
*, uschar
*, uschar
*, ugid_block
*, address_item
**,
362 uschar
**, error_block
**, int *, uschar
*);
363 extern int rda_is_filter(const uschar
*);
364 extern BOOL
readconf_depends(driver_instance
*, uschar
*);
365 extern void readconf_driver_init(uschar
*, driver_instance
**,
366 driver_info
*, int, void *, int, optionlist
*, int);
367 extern uschar
*readconf_find_option(void *);
368 extern void readconf_main(BOOL
);
369 extern void readconf_options_from_list(optionlist
*, unsigned, const uschar
*, uschar
*);
370 extern BOOL
readconf_print(uschar
*, uschar
*, BOOL
);
371 extern uschar
*readconf_printtime(int);
372 extern uschar
*readconf_readname(uschar
*, int, uschar
*);
373 extern int readconf_readtime(const uschar
*, int, BOOL
);
374 extern void readconf_rest(void);
375 extern uschar
*readconf_retry_error(const uschar
*, const uschar
*, int *, int *);
376 extern void readconf_save_config(const uschar
*);
377 extern void read_message_body(BOOL
);
378 extern void receive_bomb_out(uschar
*, uschar
*);
379 extern BOOL
receive_check_fs(int);
380 extern BOOL
receive_check_set_sender(uschar
*);
381 extern BOOL
receive_msg(BOOL
);
382 extern int_eximarith_t
receive_statvfs(BOOL
, int *);
383 extern void receive_swallow_smtp(void);
384 #ifdef WITH_CONTENT_SCAN
385 extern int regex(const uschar
**);
387 extern BOOL
regex_match_and_setup(const pcre
*, const uschar
*, int, int);
388 extern const pcre
*regex_must_compile(const uschar
*, BOOL
, BOOL
);
389 extern void retry_add_item(address_item
*, uschar
*, int);
390 extern BOOL
retry_check_address(const uschar
*, host_item
*, uschar
*, BOOL
,
391 uschar
**, uschar
**);
392 extern retry_config
*retry_find_config(const uschar
*, const uschar
*, int, int);
393 extern BOOL
retry_ultimate_address_timeout(uschar
*, const uschar
*,
394 dbdata_retry
*, time_t);
395 extern void retry_update(address_item
**, address_item
**, address_item
**);
396 extern uschar
*rewrite_address(uschar
*, BOOL
, BOOL
, rewrite_rule
*, int);
397 extern uschar
*rewrite_address_qualify(uschar
*, BOOL
);
398 extern header_line
*rewrite_header(header_line
*,
399 const uschar
*, const uschar
*,
400 rewrite_rule
*, int, BOOL
);
401 extern uschar
*rewrite_one(uschar
*, int, BOOL
*, BOOL
, uschar
*,
403 extern void rewrite_test(uschar
*);
404 extern uschar
*rfc2047_decode2(uschar
*, BOOL
, uschar
*, int, int *, int *,
406 extern int route_address(address_item
*, address_item
**, address_item
**,
407 address_item
**, address_item
**, int);
408 extern int route_check_prefix(const uschar
*, const uschar
*);
409 extern int route_check_suffix(const uschar
*, const uschar
*);
410 extern BOOL
route_findgroup(uschar
*, gid_t
*);
411 extern BOOL
route_finduser(const uschar
*, struct passwd
**, uid_t
*);
412 extern BOOL
route_find_expanded_group(uschar
*, uschar
*, uschar
*, gid_t
*,
414 extern BOOL
route_find_expanded_user(uschar
*, uschar
*, uschar
*,
415 struct passwd
**, uid_t
*, uschar
**);
416 extern void route_init(void);
417 extern void route_show_supported(FILE *);
418 extern void route_tidyup(void);
420 extern uschar
*search_find(void *, uschar
*, uschar
*, int, const uschar
*, int,
422 extern int search_findtype(const uschar
*, int);
423 extern int search_findtype_partial(const uschar
*, int *, const uschar
**, int *,
425 extern void *search_open(uschar
*, int, int, uid_t
*, gid_t
*);
426 extern void search_tidyup(void);
427 extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
428 extern void sha1_end(hctx
*, const uschar
*, int, uschar
*);
429 extern void sha1_mid(hctx
*, const uschar
*);
430 extern void sha1_start(hctx
*);
431 extern int sieve_interpret(uschar
*, int, uschar
*, uschar
*, uschar
*,
432 uschar
*, address_item
**, uschar
**);
433 extern void sigalrm_handler(int);
434 extern BOOL
smtp_buffered(void);
435 extern void smtp_closedown(uschar
*);
436 extern void smtp_command_timeout_exit(void);
437 extern void smtp_command_sigterm_exit(void);
438 extern void smtp_data_timeout_exit(void);
439 extern void smtp_data_sigint_exit(void);
440 extern uschar
*smtp_cmd_hist(void);
441 extern int smtp_connect(smtp_connect_args
*, const blob
*);
442 extern int smtp_sock_connect(host_item
*, int, int, uschar
*,
443 transport_instance
* tb
, int, const blob
*);
444 extern int smtp_feof(void);
445 extern int smtp_ferror(void);
446 extern uschar
*smtp_get_connection_info(void);
447 extern BOOL
smtp_get_interface(uschar
*, int, address_item
*,
448 uschar
**, uschar
*);
449 extern BOOL
smtp_get_port(uschar
*, address_item
*, int *, uschar
*);
450 extern int smtp_getc(unsigned);
451 extern uschar
*smtp_getbuf(unsigned *);
452 extern void smtp_get_cache(void);
453 extern int smtp_handle_acl_fail(int, int, uschar
*, uschar
*);
454 extern void smtp_log_no_mail(void);
455 extern void smtp_message_code(uschar
**, int *, uschar
**, uschar
**, BOOL
);
456 extern void smtp_proxy_tls(void *, uschar
*, size_t, int *, int);
457 extern BOOL
smtp_read_response(void *, uschar
*, int, int, int);
458 extern void smtp_reset(void *);
459 extern void smtp_respond(uschar
*, int, BOOL
, uschar
*);
460 extern void smtp_notquit_exit(uschar
*, uschar
*, uschar
*, ...);
461 extern void smtp_port_for_connect(host_item
*, int);
462 extern void smtp_send_prohibition_message(int, uschar
*);
463 extern int smtp_setup_msg(void);
464 extern BOOL
smtp_start_session(void);
465 extern int smtp_ungetc(int);
466 extern BOOL
smtp_verify_helo(void);
467 extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4);
468 #ifdef WITH_CONTENT_SCAN
469 extern int spam(const uschar
**);
470 extern FILE *spool_mbox(unsigned long *, const uschar
*, uschar
**);
472 extern void spool_clear_header_globals(void);
473 extern uschar
*spool_dname(const uschar
*, uschar
*);
474 extern uschar
*spool_fname(const uschar
*, const uschar
*, const uschar
*, const uschar
*);
475 extern BOOL
spool_move_message(uschar
*, uschar
*, uschar
*, uschar
*);
476 extern int spool_open_datafile(uschar
*);
477 extern int spool_open_temp(uschar
*);
478 extern int spool_read_header(uschar
*, BOOL
, BOOL
);
479 extern uschar
*spool_sname(const uschar
*, uschar
*);
480 extern int spool_write_header(uschar
*, int, uschar
**);
481 extern int stdin_getc(unsigned);
482 extern int stdin_feof(void);
483 extern int stdin_ferror(void);
484 extern int stdin_ungetc(int);
485 extern gstring
*string_append(gstring
*, int, ...) WARN_UNUSED_RESULT
;
486 extern gstring
*string_append_listele(gstring
*, uschar
, const uschar
*) WARN_UNUSED_RESULT
;
487 extern gstring
*string_append_listele_n(gstring
*, uschar
, const uschar
*, unsigned) WARN_UNUSED_RESULT
;
488 extern gstring
*string_append2_listele_n(gstring
*, const uschar
*, const uschar
*, unsigned) WARN_UNUSED_RESULT
;
489 extern uschar
*string_base62(unsigned long int);
490 extern gstring
*string_cat (gstring
*, const uschar
* ) WARN_UNUSED_RESULT
;
491 extern gstring
*string_catn(gstring
*, const uschar
*, int) WARN_UNUSED_RESULT
;
492 extern int string_compare_by_pointer(const void *, const void *);
493 extern uschar
*string_copy_dnsdomain(uschar
*);
494 extern uschar
*string_copy_malloc(const uschar
*);
495 extern uschar
*string_copylc(const uschar
*);
496 extern uschar
*string_copynlc(uschar
*, int);
497 extern uschar
*string_dequote(const uschar
**);
498 extern gstring
*string_fmt_append(gstring
*, const char *, ...) ALMOST_PRINTF(2,3);
499 extern BOOL
string_format(uschar
*, int, const char *, ...) ALMOST_PRINTF(3,4);
500 extern uschar
*string_format_size(int, uschar
*);
501 extern uschar
*string_from_gstring(gstring
*);
502 extern gstring
*string_get(unsigned);
503 extern int string_interpret_escape(const uschar
**);
504 extern int string_is_ip_address(const uschar
*, int *);
506 extern BOOL
string_is_utf8(const uschar
*);
508 extern uschar
*string_nextinlist(const uschar
**, int *, uschar
*, int);
509 extern uschar
*string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
510 extern const uschar
*string_printing2(const uschar
*, BOOL
);
511 extern uschar
*string_split_message(uschar
*);
512 extern uschar
*string_timediff(struct timeval
*);
513 extern uschar
*string_timesince(struct timeval
*);
514 extern uschar
*string_unprinting(uschar
*);
516 extern uschar
*string_address_utf8_to_alabel(const uschar
*, uschar
**);
517 extern uschar
*string_domain_alabel_to_utf8(const uschar
*, uschar
**);
518 extern uschar
*string_domain_utf8_to_alabel(const uschar
*, uschar
**);
519 extern uschar
*string_localpart_alabel_to_utf8(const uschar
*, uschar
**);
520 extern uschar
*string_localpart_utf8_to_alabel(const uschar
*, uschar
**);
522 extern gstring
*string_vformat(gstring
*, BOOL
, const char *, va_list);
523 extern int strcmpic(const uschar
*, const uschar
*);
524 extern int strncmpic(const uschar
*, const uschar
*, int);
525 extern uschar
*strstric(uschar
*, uschar
*, BOOL
);
527 #ifdef EXIM_TFO_PROBE
528 extern void tfo_probe(void);
530 extern void timesince(struct timeval
* diff
, struct timeval
* then
);
531 extern void tls_modify_variables(tls_support
*);
532 extern uschar
*tod_stamp(int);
534 extern BOOL
transport_check_waiting(const uschar
*, const uschar
*, int, uschar
*,
535 BOOL
*, oicf
, void*);
536 extern void transport_init(void);
537 extern void transport_do_pass_socket(const uschar
*, const uschar
*,
538 const uschar
*, uschar
*, int);
539 extern BOOL
transport_pass_socket(const uschar
*, const uschar
*, const uschar
*, uschar
*,
541 extern uschar
*transport_rcpt_address(address_item
*, BOOL
);
542 extern BOOL
transport_set_up_command(const uschar
***, uschar
*,
543 BOOL
, int, address_item
*, uschar
*, uschar
**);
544 extern void transport_update_waiting(host_item
*, uschar
*);
545 extern BOOL
transport_write_block(transport_ctx
*, uschar
*, int, BOOL
);
546 extern void transport_write_reset(int);
547 extern BOOL
transport_write_string(int, const char *, ...);
548 extern BOOL
transport_headers_send(transport_ctx
*,
549 BOOL (*)(transport_ctx
*, uschar
*, int));
550 extern void transport_show_supported(FILE *);
551 extern BOOL
transport_write_message(transport_ctx
*, int);
552 extern void tree_add_duplicate(uschar
*, address_item
*);
553 extern void tree_add_nonrecipient(uschar
*);
554 extern void tree_add_unusable(host_item
*);
555 extern int tree_insertnode(tree_node
**, tree_node
*);
556 extern tree_node
*tree_search(tree_node
*, const uschar
*);
557 extern void tree_write(tree_node
*, FILE *);
558 extern void tree_walk(tree_node
*, void (*)(uschar
*, uschar
*, void*), void *);
560 #ifdef WITH_CONTENT_SCAN
561 extern void unspool_mbox(void);
564 extern void utf8_version_report(FILE *);
567 extern int verify_address(address_item
*, FILE *, int, int, int, int,
568 uschar
*, uschar
*, BOOL
*);
569 extern int verify_check_dnsbl(int, const uschar
**, uschar
**);
570 extern int verify_check_header_address(uschar
**, uschar
**, int, int, int,
571 uschar
*, uschar
*, int, int *);
572 extern int verify_check_headers(uschar
**);
573 extern int verify_check_header_names_ascii(uschar
**);
574 extern int verify_check_host(uschar
**);
575 extern int verify_check_notblind(BOOL
);
576 extern int verify_check_given_host(const uschar
**, const host_item
*);
577 extern int verify_check_this_host(const uschar
**, unsigned int *,
578 const uschar
*, const uschar
*, const uschar
**);
579 extern address_item
*verify_checked_sender(uschar
*);
580 extern void verify_get_ident(int);
581 extern BOOL
verify_sender(int *, uschar
**);
582 extern BOOL
verify_sender_preliminary(int *, uschar
**);
583 extern void version_init(void);
585 extern BOOL
write_chunk(transport_ctx
*, uschar
*, int);
586 extern ssize_t
write_to_fd_buf(int, const uschar
*, size_t);
591 /* End of functions.h */