1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) The Exim Maintainers 2020 - 2022 */
6 /* Copyright (c) University of Cambridge 1995 - 2018 */
7 /* See the file NOTICE for conditions of use and distribution. */
10 /* Prototypes for functions that appear in various modules. Gathered together
11 to avoid having a lot of tiddly little headers with only a couple of lines in
12 them. However, some functions that are used (or not used) by utility programs
13 are in in fact in separate headers. */
22 extern gstring *call_perl_cat(gstring *, uschar **, uschar *,
23 uschar **) WARN_UNUSED_RESULT;
24 extern void cleanup_perl(void);
25 extern uschar *init_perl(uschar *);
31 std_dh_prime_default(void);
33 std_dh_prime_named(const uschar *);
35 extern uschar * tls_cert_crl_uri(void *, uschar * mod);
36 extern uschar * tls_cert_ext_by_oid(void *, uschar *, int);
37 extern uschar * tls_cert_issuer(void *, uschar * mod);
38 extern uschar * tls_cert_not_before(void *, uschar * mod);
39 extern uschar * tls_cert_not_after(void *, uschar * mod);
40 extern uschar * tls_cert_ocsp_uri(void *, uschar * mod);
41 extern uschar * tls_cert_serial_number(void *, uschar * mod);
42 extern uschar * tls_cert_signature(void *, uschar * mod);
43 extern uschar * tls_cert_signature_algorithm(void *, uschar * mod);
44 extern uschar * tls_cert_subject(void *, uschar * mod);
45 extern uschar * tls_cert_subject_altname(void *, uschar * mod);
46 extern uschar * tls_cert_version(void *, uschar * mod);
48 extern uschar * tls_cert_der_b64(void * cert);
49 extern uschar * tls_cert_fprt_md5(void *);
50 extern uschar * tls_cert_fprt_sha1(void *);
51 extern uschar * tls_cert_fprt_sha256(void *);
53 extern void tls_clean_env(void);
54 extern BOOL tls_client_start(client_conn_ctx *, smtp_connect_args *,
55 void *, tls_support *, uschar **);
56 extern void tls_client_creds_reload(BOOL);
58 extern void tls_close(void *, int);
59 extern BOOL tls_could_getc(void);
60 extern void tls_daemon_init(void);
61 extern int tls_daemon_tick(void);
62 extern BOOL tls_dropprivs_validate_require_cipher(BOOL);
63 extern BOOL tls_export_cert(uschar *, size_t, void *);
64 extern int tls_feof(void);
65 extern int tls_ferror(void);
66 extern uschar *tls_field_from_dn(uschar *, const uschar *);
67 extern void tls_free_cert(void **);
68 extern int tls_getc(unsigned);
69 extern uschar *tls_getbuf(unsigned *);
70 extern void tls_get_cache(unsigned);
71 extern BOOL tls_hasc(void);
72 extern BOOL tls_import_cert(const uschar *, void **);
73 extern BOOL tls_is_name_for_cert(const uschar *, void *);
75 extern BOOL tls_openssl_options_parse(uschar *, long *);
77 extern int tls_read(void *, uschar *, size_t);
78 extern int tls_server_start(uschar **);
79 extern void tls_shutdown_wr(void *);
80 extern BOOL tls_smtp_buffered(void);
81 extern int tls_ungetc(int);
82 #if defined(EXIM_HAVE_INOTIFY) || defined(EXIM_HAVE_KEVENT)
83 extern void tls_watch_discard_event(int);
84 extern void tls_watch_invalidate(void);
86 extern int tls_write(void *, const uschar *, size_t, BOOL);
87 extern uschar *tls_validate_require_cipher(void);
88 extern gstring *tls_version_report(gstring *);
91 extern int tlsa_lookup(const host_item *, dns_answer *, BOOL);
94 #endif /*DISABLE_TLS*/
97 /* Everything else... */
99 extern acl_block *acl_read(uschar *(*)(void), uschar **);
100 extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
101 extern uschar *acl_current_verb(void);
102 extern int acl_eval(int, uschar *, uschar **, uschar **);
104 extern tree_node *acl_var_create(uschar *);
105 extern void acl_var_write(uschar *, uschar *, void *);
107 #ifdef EXPERIMENTAL_ARC
108 extern void *arc_ams_setup_sign_bodyhash(void);
109 extern const uschar *arc_header_feed(gstring *, BOOL);
110 extern gstring *arc_sign(const uschar *, gstring *, uschar **);
111 extern void arc_sign_init(void);
112 extern const uschar *acl_verify_arc(void);
113 extern uschar * fn_arc_domains(void);
116 extern void assert_no_variables(void *, int, const char *, int);
117 extern int auth_call_pam(const uschar *, uschar **);
118 extern int auth_call_pwcheck(uschar *, uschar **);
119 extern int auth_call_radius(const uschar *, uschar **);
120 extern int auth_call_saslauthd(const uschar *, const uschar *,
121 const uschar *, const uschar *, uschar **);
122 extern int auth_check_serv_cond(auth_instance *);
123 extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
124 extern int auth_client_item(void *, auth_instance *, const uschar **,
125 unsigned, int, uschar *, int);
128 extern int auth_get_data(uschar **, const uschar *, int);
129 extern int auth_get_no64_data(uschar **, uschar *);
130 extern int auth_prompt(const uschar *);
131 extern int auth_read_input(const uschar *);
132 extern gstring * auth_show_supported(gstring *);
133 extern uschar *auth_xtextencode(uschar *, int);
134 extern int auth_xtextdecode(uschar *, uschar **);
135 extern uschar *authenticator_current_name(void);
137 #ifdef EXPERIMENTAL_ARC
138 extern gstring *authres_arc(gstring *);
141 extern gstring *authres_dkim(gstring *);
144 extern gstring *authres_dmarc(gstring *);
146 extern gstring *authres_smtpauth(gstring *);
148 extern gstring *authres_spf(gstring *);
151 extern uschar *b64encode(const uschar *, int);
152 extern uschar *b64encode_taint(const uschar *, int, const void *);
153 extern int b64decode(const uschar *, uschar **);
154 extern int bdat_getc(unsigned);
155 extern uschar *bdat_getbuf(unsigned *);
156 extern BOOL bdat_hasc(void);
157 extern int bdat_ungetc(int);
158 extern void bdat_flush_data(void);
160 extern void bits_clear(unsigned int *, size_t, int *);
161 extern void bits_set(unsigned int *, size_t, int *);
163 extern void cancel_cutthrough_connection(BOOL, const uschar *);
164 extern gstring *cat_file(FILE *, gstring *, uschar *);
165 extern gstring *cat_file_tls(void *, gstring *, uschar *);
166 extern int check_host(void *, const uschar *, const uschar **, uschar **);
167 extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
168 extern pid_t child_open_exim_function(int *, const uschar *);
169 extern pid_t child_open_exim2_function(int *, uschar *, uschar *,
171 extern pid_t child_open_function(uschar **, uschar **, int,
172 int *, int *, BOOL, const uschar *);
173 extern pid_t child_open_uid(const uschar **, const uschar **, int,
174 uid_t *, gid_t *, int *, int *, uschar *, BOOL, const uschar *);
175 extern BOOL cleanup_environment(void);
176 extern void cutthrough_data_puts(uschar *, int);
177 extern void cutthrough_data_put_nl(void);
178 extern uschar *cutthrough_finaldot(void);
179 extern BOOL cutthrough_flush_send(void);
180 extern BOOL cutthrough_headers_send(void);
181 extern BOOL cutthrough_predata(void);
182 extern void release_cutthrough_connection(const uschar *);
184 extern void daemon_go(void);
185 #ifndef COMPILE_UTILITY
186 extern ssize_t daemon_notifier_sockname(struct sockaddr_un *);
189 #ifdef EXPERIMENTAL_DCC
190 extern int dcc_process(uschar **);
193 extern void debug_logging_activate(const uschar *, const uschar *);
194 extern void debug_logging_from_spool(const uschar *);
195 extern void debug_logging_stop(BOOL);
196 extern void debug_print_argv(const uschar **);
197 extern void debug_print_ids(uschar *);
198 extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
199 extern void debug_print_string(uschar *);
200 extern void debug_print_tree(const char *, tree_node *);
201 extern void debug_vprintf(int, const char *, va_list);
202 extern void debug_pretrigger_setup(const uschar *);
203 extern void debug_pretrigger_discard(void);
204 extern void debug_print_socket(int);
205 extern void debug_trigger_fire(void);
207 extern void decode_bits(unsigned int *, size_t, int *,
208 const uschar *, bit_table *, int, uschar *, int);
209 extern void delete_pid_file(void);
210 extern void deliver_local(address_item *, BOOL);
211 extern address_item *deliver_make_addr(uschar *, BOOL);
212 extern void delivery_log(int, address_item *, int, uschar *);
213 extern int deliver_message(uschar *, BOOL, BOOL);
214 extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
215 extern void deliver_set_expansions(address_item *);
216 extern int deliver_split_address(address_item *);
217 extern void deliver_succeeded(address_item *);
219 extern void delivery_re_exec(int);
221 extern void die_tainted(const uschar *, const uschar *, int);
222 extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
224 extern uschar *dkim_exim_query_dns_txt(const uschar *);
225 extern void dkim_exim_sign_init(void);
227 extern BOOL dkim_transport_write_message(transport_ctx *,
228 struct ob_dkim *, const uschar ** errstr);
230 extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
231 extern int dns_basic_lookup(dns_answer *, const uschar *, int);
232 extern uschar *dns_build_reverse(const uschar *);
233 extern time_t dns_expire_from_soa(dns_answer *, int);
234 extern void dns_init(BOOL, BOOL, BOOL);
235 extern BOOL dns_is_aa(const dns_answer *);
236 extern BOOL dns_is_secure(const dns_answer *);
237 extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
238 extern void dns_pattern_init(void);
239 extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
240 extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
241 extern uschar *dns_text_type(int);
242 extern void dscp_list_to_stream(FILE *);
243 extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
245 extern void enq_end(uschar *);
246 extern BOOL enq_start(uschar *, unsigned);
247 #ifndef DISABLE_EVENT
248 extern uschar *event_raise(uschar *, const uschar *, uschar *, int *);
249 extern void msg_event_raise(const uschar *, const address_item *);
252 extern int exim_chown_failure(int, const uschar*, uid_t, gid_t);
253 extern const uschar * exim_errstr(int);
254 extern void exim_exit(int) NORETURN;
255 extern void exim_gettime(struct timeval *);
256 extern void exim_nullstd(void);
257 extern void exim_setugid(uid_t, gid_t, BOOL, const uschar *);
258 extern void exim_underbar_exit(int) NORETURN;
259 extern void exim_wait_tick(struct timeval *, int);
260 extern int exp_bool(address_item *addr,
261 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
262 uschar *svalue, BOOL *rvalue);
263 extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
264 extern uschar *expand_file_big_buffer(const uschar *);
265 extern uschar *expand_string(uschar *); /* public, cannot make const */
266 extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
267 extern uschar *expand_getkeyed(const uschar *, const uschar *);
269 extern uschar *expand_hide_passwords(uschar * );
270 extern uschar *expand_string_copy(const uschar *);
271 extern int_eximarith_t expand_string_integer(uschar *, BOOL);
272 extern void modify_variable(uschar *, void *);
274 extern BOOL fd_ready(int, time_t);
276 extern int filter_interpret(const uschar *, int, address_item **, uschar **);
277 extern BOOL filter_personal(string_item *, BOOL);
278 extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
279 extern BOOL filter_system_interpret(address_item **, uschar **);
281 extern uschar * fn_hdrs_added(void);
282 extern void force_fd(int, int);
284 extern void header_add(int, const char *, ...);
285 extern header_line *header_add_at_position_internal(BOOL, uschar *, BOOL, int, const char *, ...);
286 extern int header_checkname(header_line *, BOOL);
287 extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
288 extern int host_address_extract_port(uschar *);
289 extern uschar *host_and_ident(BOOL);
290 extern int host_aton(const uschar *, int *);
291 extern void host_build_hostlist(host_item **, const uschar *, BOOL);
292 extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
293 extern void host_build_log_info(void);
294 extern void host_build_sender_fullhost(void);
295 extern int host_find_byname(host_item *, const uschar *, int,
296 const uschar **, BOOL);
297 extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
298 uschar *, const dnssec_domains *, const uschar **, BOOL *);
299 extern ip_address_item *host_find_interfaces(void);
300 extern BOOL host_is_in_net(const uschar *, const uschar *, int);
301 extern BOOL host_is_tls_on_connect_port(int);
302 extern int host_item_get_port(host_item *);
303 extern void host_mask(int, int *, int);
304 extern int host_name_lookup(void);
305 extern int host_nmtoa(int, int *, int, uschar *, int);
306 extern uschar *host_ntoa(int, const void *, uschar *, int *);
307 extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
309 extern uschar *imap_utf7_encode(uschar *, const uschar *,
310 uschar, uschar *, uschar **);
312 extern void invert_address(uschar *, uschar *);
313 extern int ip_addr(void *, int, const uschar *, int);
314 extern int ip_bind(int, int, uschar *, int);
315 extern int ip_connect(int, int, const uschar *, int, int, const blob *);
316 extern int ip_connectedsocket(int, const uschar *, int, int,
317 int, host_item *, uschar **, const blob *);
318 extern int ip_get_address_family(int);
319 extern void ip_keepalive(int, const uschar *, BOOL);
320 extern int ip_recv(client_conn_ctx *, uschar *, int, time_t);
321 extern int ip_socket(int, int);
323 extern int ip_tcpsocket(const uschar *, uschar **, int, host_item *);
324 extern int ip_unixsocket(const uschar *, uschar **);
325 extern int ip_streamsocket(const uschar *, uschar **, int, host_item *);
327 extern int ipv6_nmtoa(int *, uschar *);
329 extern uschar *local_part_quote(uschar *);
330 extern int log_open_as_exim(const uschar * const);
331 extern void log_close_all(void);
333 extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
334 extern BOOL macro_read_assignment(uschar *);
335 extern uschar *macros_expand(int, int *, BOOL *);
336 extern void mainlog_close(void);
337 #ifdef WITH_CONTENT_SCAN
338 extern int malware(const uschar *, int);
339 extern int malware_in_file(uschar *);
340 extern void malware_init(void);
341 extern gstring * malware_show_supported(gstring *);
343 extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
344 unsigned int *, int, int, const uschar **);
345 extern int match_address_list_basic(const uschar *, const uschar **, int);
346 extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
347 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
348 const uschar *, const uschar **);
349 extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
350 unsigned int *, int, BOOL, const uschar **);
351 extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
354 extern void message_start(void);
355 extern void message_tidyup(void);
356 extern void md5_end(md5 *, const uschar *, int, uschar *);
357 extern void md5_mid(md5 *, const uschar *);
358 extern void md5_start(md5 *);
359 extern void millisleep(int);
360 #ifdef WITH_CONTENT_SCAN
361 struct mime_boundary_context;
362 extern int mime_acl_check(uschar *acl, FILE *f,
363 struct mime_boundary_context *, uschar **, uschar **);
364 extern int mime_decode(const uschar **);
365 extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
366 extern int mime_regex(const uschar **);
367 extern void mime_set_anomaly(int);
369 extern uschar *moan_check_errorcopy(uschar *);
370 extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
372 extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
373 extern BOOL moan_send_message(uschar *, int, error_block *eblock,
374 header_line *, FILE *, uschar *);
375 extern void moan_tell_someone(uschar *, address_item *,
376 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
377 extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
378 extern void moan_write_from(FILE *);
379 extern void moan_write_references(FILE *, uschar *);
380 extern FILE *modefopen(const uschar *, const char *, mode_t);
382 extern int open_cutthrough_connection( address_item * addr );
384 extern uschar *parse_extract_address(const uschar *, uschar **, int *, int *, int *,
386 extern int parse_forward_list(const uschar *, int, address_item **, uschar **,
387 const uschar *, const uschar *, error_block **);
388 extern uschar *parse_find_address_end(const uschar *, BOOL);
389 extern const uschar *parse_find_at(const uschar *);
390 extern const uschar *parse_fix_phrase(const uschar *, int);
391 extern const uschar *parse_message_id(const uschar *, uschar **, uschar **);
392 extern const uschar *parse_quote_2047(const uschar *, int, const uschar *,
394 extern const uschar *parse_date_time(const uschar *str, time_t *t);
395 extern void priv_drop_temp(const uid_t, const gid_t);
396 extern void priv_restore(void);
397 extern int vaguely_random_number(int);
399 extern int vaguely_random_number_fallback(int);
402 extern BOOL queue_action(uschar *, int, uschar **, int, int);
403 extern void queue_check_only(void);
404 extern unsigned queue_count(void);
405 extern unsigned queue_count_cached(void);
406 extern void queue_list(int, uschar **, int);
407 #ifndef DISABLE_QUEUE_RAMP
408 extern void queue_notify_daemon(const uschar * hostname);
410 extern void queue_run(uschar *, uschar *, BOOL);
412 extern int random_number(int);
413 extern const uschar *rc_to_string(int);
414 extern int rda_interpret(redirect_block *, int, const uschar *, const uschar *,
415 const uschar *, const uschar *, const uschar *, const ugid_block *, address_item **,
416 uschar **, error_block **, int *, const uschar *);
417 extern int rda_is_filter(const uschar *);
418 extern BOOL readconf_depends(driver_instance *, uschar *);
419 extern void readconf_driver_init(uschar *, driver_instance **,
420 driver_info *, int, void *, int, optionlist *, int);
421 extern uschar *readconf_find_option(void *);
422 extern void readconf_main(BOOL);
423 extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
424 extern BOOL readconf_print(const uschar *, uschar *, BOOL);
425 extern uschar *readconf_printtime(int);
426 extern uschar *readconf_readname(uschar *, int, uschar *);
427 extern int readconf_readtime(const uschar *, int, BOOL);
428 extern void readconf_rest(void);
429 extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
430 extern void readconf_save_config(const uschar *);
431 extern void read_message_body(BOOL);
432 extern void receive_bomb_out(uschar *, uschar *) NORETURN;
433 extern BOOL receive_check_fs(int);
434 extern BOOL receive_check_set_sender(uschar *);
435 extern BOOL receive_msg(BOOL);
436 extern int_eximarith_t receive_statvfs(BOOL, int *);
437 extern void receive_swallow_smtp(void);
438 #ifdef WITH_CONTENT_SCAN
439 extern int regex(const uschar **);
441 extern BOOL regex_match(const pcre2_code *, const uschar *, int, uschar **);
442 extern BOOL regex_match_and_setup(const pcre2_code *, const uschar *, int, int);
443 extern const pcre2_code *regex_must_compile(const uschar *, BOOL, BOOL);
444 extern void retry_add_item(address_item *, uschar *, int);
445 extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
446 uschar **, uschar **);
447 extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
448 extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
449 dbdata_retry *, time_t);
450 extern void retry_update(address_item **, address_item **, address_item **);
451 extern const uschar *rewrite_address(const uschar *, BOOL, BOOL, rewrite_rule *, int);
452 extern const uschar *rewrite_address_qualify(const uschar *, BOOL);
453 extern header_line *rewrite_header(header_line *,
454 const uschar *, const uschar *,
455 rewrite_rule *, int, BOOL);
456 extern const uschar *rewrite_one(const uschar *, int, BOOL *, BOOL, uschar *,
458 extern void rewrite_test(const uschar *);
459 extern uschar *rfc2047_decode2(uschar *, BOOL, const uschar *, int, int *,
461 extern int route_address(address_item *, address_item **, address_item **,
462 address_item **, address_item **, int);
463 extern int route_check_prefix(const uschar *, const uschar *, unsigned *);
464 extern int route_check_suffix(const uschar *, const uschar *, unsigned *);
465 extern BOOL route_findgroup(uschar *, gid_t *);
466 extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
467 extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
469 extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
470 struct passwd **, uid_t *, uschar **);
471 extern void route_init(void);
472 extern gstring * route_show_supported(gstring *);
473 extern void route_tidyup(void);
474 extern uschar *router_current_name(void);
476 extern uschar *search_args(int, uschar *, uschar *, uschar **, const uschar *);
477 extern uschar *search_find(void *, const uschar *, uschar *, int,
478 const uschar *, int, int, int *, const uschar *);
479 extern int search_findtype(const uschar *, int);
480 extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
481 int *, const uschar **);
482 extern void *search_open(const uschar *, int, int, uid_t *, gid_t *);
483 extern void search_tidyup(void);
484 extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
485 extern void sha1_end(hctx *, const uschar *, int, uschar *);
486 extern void sha1_mid(hctx *, const uschar *);
487 extern void sha1_start(hctx *);
488 extern int sieve_interpret(const uschar *, int, const uschar *,
489 const uschar *, const uschar *, const uschar *,
490 address_item **, uschar **);
491 extern void sigalrm_handler(int);
492 extern int smtp_boundsock(smtp_connect_args *);
493 extern void smtp_closedown(uschar *);
494 extern void smtp_command_timeout_exit(void) NORETURN;
495 extern void smtp_command_sigterm_exit(void) NORETURN;
496 extern void smtp_data_timeout_exit(void) NORETURN;
497 extern void smtp_data_sigint_exit(void) NORETURN;
498 extern void smtp_deliver_init(void);
499 extern uschar *smtp_cmd_hist(void);
500 extern int smtp_connect(smtp_connect_args *, const blob *);
501 extern int smtp_feof(void);
502 extern int smtp_ferror(void);
503 extern uschar *smtp_get_connection_info(void);
504 extern BOOL smtp_get_interface(uschar *, int, address_item *,
505 uschar **, uschar *);
506 extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
507 extern int smtp_getc(unsigned);
508 extern uschar *smtp_getbuf(unsigned *);
509 extern void smtp_get_cache(unsigned);
510 extern BOOL smtp_hasc(void);
511 extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
512 extern void smtp_log_no_mail(void);
513 extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
514 extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int, const uschar *) NORETURN;
515 extern BOOL smtp_read_response(void *, uschar *, int, int, int);
516 extern void *smtp_reset(void *);
517 extern void smtp_respond(uschar *, int, BOOL, uschar *);
518 extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
519 extern void smtp_port_for_connect(host_item *, int);
520 extern void smtp_send_prohibition_message(int, uschar *);
521 extern int smtp_setup_msg(void);
522 extern int smtp_sock_connect(smtp_connect_args *, int, const blob *);
523 extern BOOL smtp_start_session(void);
524 extern int smtp_ungetc(int);
525 extern BOOL smtp_verify_helo(void);
526 extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4);
527 #ifdef WITH_CONTENT_SCAN
528 extern int spam(const uschar **);
529 extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
531 extern void spool_clear_header_globals(void);
532 extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
533 extern int spool_open_datafile(uschar *);
534 extern int spool_open_temp(uschar *);
535 extern int spool_read_header(uschar *, BOOL, BOOL);
536 extern uschar *spool_sender_from_msgid(const uschar *);
537 extern int spool_write_header(uschar *, int, uschar **);
538 extern int stdin_getc(unsigned);
539 extern int stdin_feof(void);
540 extern int stdin_ferror(void);
541 extern BOOL stdin_hasc(void);
542 extern int stdin_ungetc(int);
544 extern void store_exit(void);
545 extern void store_init(void);
546 extern void store_writeprotect(int);
548 extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
549 extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
550 extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
551 extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT;
552 extern uschar *string_base62(unsigned long int);
553 extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
554 extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
555 extern int string_compare_by_pointer(const void *, const void *);
556 extern uschar *string_copy_dnsdomain(uschar *);
557 extern uschar *string_copy_malloc(const uschar *);
558 extern uschar *string_dequote(const uschar **);
559 extern uschar *string_format_size(int, uschar *);
560 extern int string_interpret_escape(const uschar **);
561 extern int string_is_ip_address(const uschar *, int *);
563 extern BOOL string_is_utf8(const uschar *);
565 extern const uschar *string_printing2(const uschar *, int);
566 extern uschar *string_split_message(uschar *);
567 extern uschar *string_unprinting(uschar *);
569 extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
570 extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
571 extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
572 extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
573 extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
576 #define string_format(buf, siz, fmt, ...) \
577 string_format_trc(buf, siz, US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
578 extern BOOL string_format_trc(uschar *, int, const uschar *, unsigned,
579 const char *, ...) ALMOST_PRINTF(5,6);
581 #define string_vformat(g, flgs, fmt, ap) \
582 string_vformat_trc(g, US __FUNCTION__, __LINE__, \
583 STRING_SPRINTF_BUFFER_SIZE, flgs, fmt, ap)
584 extern gstring *string_vformat_trc(gstring *, const uschar *, unsigned,
585 unsigned, unsigned, const char *, va_list);
587 #define string_open_failed(fmt, ...) \
588 string_open_failed_trc(US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
589 extern uschar *string_open_failed_trc(const uschar *, unsigned,
590 const char *, ...) PRINTF_FUNCTION(3,4);
592 #define string_nextinlist(lp, sp, b, l) \
593 string_nextinlist_trc((lp), (sp), (b), (l), US __FUNCTION__, __LINE__)
594 extern uschar *string_nextinlist_trc(const uschar **listptr, int *separator, uschar *buffer, int buflen,
595 const uschar * func, int line);
597 extern int strcmpic(const uschar *, const uschar *);
598 extern int strncmpic(const uschar *, const uschar *, int);
599 extern uschar *strstric(uschar *, uschar *, BOOL);
600 extern const uschar *strstric_c(const uschar *, const uschar *, BOOL);
602 extern int test_harness_fudged_queue_time(int);
603 extern void tcp_init(void);
604 #ifdef EXIM_TFO_PROBE
605 extern void tfo_probe(void);
607 extern void tls_modify_variables(tls_support *);
608 extern uschar *tod_stamp(int);
610 extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
612 extern uschar *transport_current_name(void);
613 extern void transport_do_pass_socket(const uschar *, const uschar *,
614 const uschar *, uschar *, int);
615 extern void transport_init(void);
616 extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *, int
617 #ifdef EXPERIMENTAL_ESMTP_LIMITS
618 , unsigned, unsigned, unsigned
621 extern uschar *transport_rcpt_address(address_item *, BOOL);
622 extern BOOL transport_set_up_command(const uschar ***, const uschar *,
623 BOOL, int, address_item *, BOOL, const uschar *, uschar **);
624 extern void transport_update_waiting(host_item *, uschar *);
625 extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
626 extern void transport_write_reset(int);
627 extern BOOL transport_write_string(int, const char *, ...);
628 extern BOOL transport_headers_send(transport_ctx *,
629 BOOL (*)(transport_ctx *, uschar *, int));
630 extern gstring * transport_show_supported(gstring *);
631 extern BOOL transport_write_message(transport_ctx *, int);
632 extern void tree_add_duplicate(const uschar *, address_item *);
633 extern void tree_add_nonrecipient(const uschar *);
634 extern void tree_add_unusable(const host_item *);
635 extern void tree_dup(tree_node **, tree_node *);
636 extern int tree_insertnode(tree_node **, tree_node *);
637 extern tree_node *tree_search(tree_node *, const uschar *);
638 extern void tree_write(tree_node *, FILE *);
639 extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
641 #ifdef WITH_CONTENT_SCAN
642 extern void unspool_mbox(void);
645 extern gstring *utf8_version_report(gstring *);
648 extern int verify_address(address_item *, FILE *, int, int, int, int,
649 uschar *, uschar *, BOOL *);
650 extern int verify_check_dnsbl(int, const uschar **, uschar **);
651 extern int verify_check_header_address(uschar **, uschar **, int, int, int,
652 uschar *, uschar *, int, int *);
653 extern int verify_check_headers(uschar **);
654 extern int verify_check_header_names_ascii(uschar **);
655 extern int verify_check_host(uschar **);
656 extern int verify_check_notblind(BOOL);
657 extern int verify_check_given_host(const uschar **, const host_item *);
658 extern int verify_check_this_host(const uschar **, unsigned int *,
659 const uschar*, const uschar *, const uschar **);
660 extern address_item *verify_checked_sender(uschar *);
661 extern void verify_get_ident(int);
662 extern void verify_quota(uschar *);
663 extern int verify_quota_call(const uschar *, int, int, uschar **);
664 extern BOOL verify_sender(int *, uschar **);
665 extern BOOL verify_sender_preliminary(int *, uschar **);
666 extern void version_init(void);
668 extern BOOL write_chunk(transport_ctx *, uschar *, int);
669 extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
672 /******************************************************************************/
673 /* Predicate: if an address is in a tainted pool.
674 By extension, a variable pointing to this address is tainted.
678 is_tainted(const void * p)
680 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
684 extern BOOL is_tainted_fn(const void *);
685 return is_tainted_fn(p);
690 is_incompatible(const void * old, const void * new)
692 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
696 extern BOOL is_incompatible_fn(const void *, const void *);
697 return is_incompatible_fn(old, new);
701 /******************************************************************************/
702 /* String functions */
703 static inline uschar * __Ustrcat(uschar * dst, const uschar * src, const char * func, int line)
705 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
706 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcat", CUS func, line);
708 return US strcat(CS dst, CCS src);
710 static inline uschar * __Ustrcpy(uschar * dst, const uschar * src, const char * func, int line)
712 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
713 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcpy", CUS func, line);
715 return US strcpy(CS dst, CCS src);
717 static inline uschar * __Ustrncat(uschar * dst, const uschar * src, size_t n, const char * func, int line)
719 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
720 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncat", CUS func, line);
722 return US strncat(CS dst, CCS src, n);
724 static inline uschar * __Ustrncpy(uschar * dst, const uschar * src, size_t n, const char * func, int line)
726 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
727 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncpy", CUS func, line);
729 return US strncpy(CS dst, CCS src, n);
731 /*XXX will likely need unchecked copy also */
734 /* Advance the string pointer given over any whitespace.
735 Return the next char as there's enought places using it to be useful. */
737 #define Uskip_whitespace(sp) skip_whitespace(CUSS sp)
739 static inline uschar skip_whitespace(const uschar ** sp)
740 { while (isspace(**sp)) (*sp)++; return **sp; }
743 /******************************************************************************/
745 #if !defined(MACRO_PREDEF) && !defined(COMPILE_UTILITY)
746 /* exim_chown - in some NFSv4 setups *seemes* to be an issue with
747 chown(<exim-uid>, <exim-gid>).
749 Probably because the idmapping is broken, misconfigured or set up in
750 an unusal way. (see Bug 2931). As I'm not sure, if this was a single
751 case of misconfiguration, or if there are more such broken systems
752 out, I try to impose as least impact as possible and for now just write
753 a panic log entry pointing to the bug report. You're encouraged to
754 contact the developers, if you experience this issue.
756 fd the file descriptor (or -1 if not valid)
757 name the file name for error messages or for file operations,
762 returns 0 on success, -1 on failure */
765 exim_fchown(int fd, uid_t owner, gid_t group, const uschar *name)
767 return fchown(fd, owner, group)
768 ? exim_chown_failure(fd, name, owner, group) : 0;
772 exim_chown(const uschar *name, uid_t owner, gid_t group)
774 return chown(CCS name, owner, group)
775 ? exim_chown_failure(-1, name, owner, group) : 0;
777 #endif /* !MACRO_PREDEF && !COMPILE_UTILITY */
779 /******************************************************************************/
780 /* String functions */
782 #if !defined(MACRO_PREDEF)
783 /*************************************************
784 * Copy and save string *
785 *************************************************/
787 /* This function assumes that memcpy() is faster than strcpy().
788 The result is explicitly nul-terminated.
791 static inline uschar *
792 string_copyn_taint_trc(const uschar * s, unsigned len,
793 const void * proto_mem, const char * func, int line)
796 unsigned slen = Ustrlen(s);
797 if (len > slen) len = slen;
798 ss = store_get_3(len + 1, proto_mem, func, line);
804 static inline uschar *
805 string_copy_taint_trc(const uschar * s, const void * proto_mem, const char * func, int line)
806 { return string_copyn_taint_trc(s, Ustrlen(s), proto_mem, func, line); }
808 static inline uschar *
809 string_copyn_trc(const uschar * s, unsigned len, const char * func, int line)
810 { return string_copyn_taint_trc(s, len, s, func, line); }
811 static inline uschar *
812 string_copy_trc(const uschar * s, const char * func, int line)
813 { return string_copy_taint_trc(s, s, func, line); }
816 /* String-copy functions explicitly setting the taint status */
818 #define string_copyn_taint(s, len, proto_mem) \
819 string_copyn_taint_trc((s), (len), (proto_mem), __FUNCTION__, __LINE__)
820 #define string_copy_taint(s, proto_mem) \
821 string_copy_taint_trc((s), (proto_mem), __FUNCTION__, __LINE__)
823 /* Simple string-copy functions maintaining the taint */
825 #define string_copyn(s, len) \
826 string_copyn_trc((s), (len), __FUNCTION__, __LINE__)
827 #define string_copy(s) \
828 string_copy_trc((s), __FUNCTION__, __LINE__)
831 /*************************************************
832 * Copy, lowercase and save string *
833 *************************************************/
836 Argument: string to copy
837 Returns: copy of string in new store, with letters lowercased
840 static inline uschar *
841 string_copylc(const uschar * s)
843 uschar * ss = store_get(Ustrlen(s) + 1, s);
845 while (*s) *p++ = tolower(*s++);
852 /*************************************************
853 * Copy, lowercase, and save string, given length *
854 *************************************************/
856 /* It is assumed the data contains no zeros. A zero is added
861 n number of characters
863 Returns: copy of string in new store, with letters lowercased
866 static inline uschar *
867 string_copynlc(uschar * s, int n)
869 uschar * ss = store_get(n + 1, s);
871 while (n-- > 0) *p++ = tolower(*s++);
877 # ifndef COMPILE_UTILITY
878 /*************************************************
879 * Copy and save string in longterm store *
880 *************************************************/
882 /* This function assumes that memcpy() is faster than strcpy().
884 Argument: string to copy
885 Returns: copy of string in new store
888 static inline uschar *
889 string_copy_perm(const uschar *s, BOOL force_taint)
891 int old_pool = store_pool;
892 int len = Ustrlen(s) + 1;
895 store_pool = POOL_PERM;
896 ss = store_get(len, force_taint ? GET_TAINTED : s);
898 store_pool = old_pool;
905 /* sprintf into a buffer, taint-unchecked */
908 string_format_nt(uschar * buf, int siz, const char * fmt, ...)
910 gstring gs = { .size = siz, .ptr = 0, .s = buf };
913 (void) string_vformat(&gs, SVFMT_TAINT_NOCHK, fmt, ap);
919 /******************************************************************************/
920 /* Growable-string functions */
922 /* Create a growable-string with some preassigned space */
924 #define string_get_tainted(size, proto_mem) \
925 string_get_tainted_trc((size), (proto_mem), __FUNCTION__, __LINE__)
927 static inline gstring *
928 string_get_tainted_trc(unsigned size, const void * proto_mem, const char * func, unsigned line)
930 gstring * g = store_get_3(sizeof(gstring) + size, proto_mem, func, line);
931 g->size = size; /*XXX would be good if we could see the actual alloc size */
937 #define string_get(size) \
938 string_get_trc((size), __FUNCTION__, __LINE__)
940 static inline gstring *
941 string_get_trc(unsigned size, const char * func, unsigned line)
943 return string_get_tainted_trc(size, GET_UNTAINTED, func, line);
946 /* NUL-terminate the C string in the growable-string, and return it. */
948 static inline uschar *
949 string_from_gstring(gstring * g)
956 static inline unsigned
957 gstring_length(const gstring * g)
959 return g ? (unsigned)g->ptr : 0;
963 #define gstring_release_unused(g) \
964 gstring_release_unused_trc(g, __FUNCTION__, __LINE__)
967 gstring_release_unused_trc(gstring * g, const char * file, unsigned line)
969 if (g) store_release_above_3(g->s + (g->size = g->ptr + 1), file, line);
973 /* sprintf-append to a growable-string */
975 #define string_fmt_append(g, fmt, ...) \
976 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
977 SVFMT_EXTEND|SVFMT_REBUFFER, fmt, __VA_ARGS__)
979 #define string_fmt_append_f(g, flgs, fmt, ...) \
980 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
981 flgs, fmt, __VA_ARGS__)
983 static inline gstring *
984 string_fmt_append_f_trc(gstring * g, const uschar * func, unsigned line,
985 unsigned flags, const char *format, ...)
988 va_start(ap, format);
989 g = string_vformat_trc(g, func, line, STRING_SPRINTF_BUFFER_SIZE,
996 /* Copy the content of a string to tainted memory. The proto_mem arg
997 will always be tainted, and suitable as a prototype. */
1000 gstring_rebuffer(gstring * g, const void * proto_mem)
1002 uschar * s = store_get_3(g->size, proto_mem, __FUNCTION__, __LINE__);
1003 memcpy(s, g->s, g->ptr);
1008 # ifndef COMPILE_UTILITY
1009 /******************************************************************************/
1010 /* Use store_malloc for DNSA structs, and explicit frees. Using the same pool
1011 for them as the strings we proceed to copy from them meant they could not be
1012 released, hence blowing 64k for every DNS lookup. That mounted up. With malloc
1013 we do have to take care over marking tainted all copied strings. A separate pool
1014 could be used and would handle that implicitly. */
1016 #define store_get_dns_answer() store_get_dns_answer_trc(CUS __FUNCTION__, __LINE__)
1018 static inline dns_answer *
1019 store_get_dns_answer_trc(const uschar * func, unsigned line)
1021 return store_malloc_3(sizeof(dns_answer), CCS func, line);
1024 #define store_free_dns_answer(dnsa) store_free_dns_answer_trc(dnsa, CUS __FUNCTION__, __LINE__)
1027 store_free_dns_answer_trc(dns_answer * dnsa, const uschar * func, unsigned line)
1029 store_free_3(dnsa, CCS func, line);
1032 /******************************************************************************/
1033 /* Routines with knowledge of spool layout */
1036 spool_pname_buf(uschar * buf, int len)
1038 snprintf(CS buf, len, "%s/%s/input", spool_directory, queue_name);
1041 static inline uschar *
1042 spool_dname(const uschar * purpose, uschar * subdir)
1044 return string_sprintf("%s/%s/%s/%s",
1045 spool_directory, queue_name, purpose, subdir);
1049 static inline uschar *
1050 spool_q_sname(const uschar * purpose, const uschar * q, uschar * subdir)
1052 return string_sprintf("%s%s%s%s%s",
1055 *subdir ? "/" : "", subdir);
1058 static inline uschar *
1059 spool_sname(const uschar * purpose, uschar * subdir)
1061 return spool_q_sname(purpose, queue_name, subdir);
1064 static inline uschar *
1065 spool_q_fname(const uschar * purpose, const uschar * q,
1066 const uschar * subdir, const uschar * fname, const uschar * suffix)
1068 return string_sprintf("%s/%s/%s/%s/%s%s",
1069 spool_directory, q, purpose, subdir, fname, suffix);
1072 static inline uschar *
1073 spool_fname(const uschar * purpose, const uschar * subdir, const uschar * fname,
1074 const uschar * suffix)
1076 #ifdef COMPILE_UTILITY /* version avoiding string-extension */
1077 int len = Ustrlen(spool_directory) + 1 + Ustrlen(queue_name) + 1 + Ustrlen(purpose) + 1
1078 + Ustrlen(subdir) + 1 + Ustrlen(fname) + Ustrlen(suffix) + 1;
1079 uschar * buf = store_get(len, GET_UNTAINTED);
1080 string_format(buf, len, "%s/%s/%s/%s/%s%s",
1081 spool_directory, queue_name, purpose, subdir, fname, suffix);
1084 return spool_q_fname(purpose, queue_name, subdir, fname, suffix);
1089 set_subdir_str(uschar * subdir_str, const uschar * name,
1090 int search_sequence)
1092 subdir_str[0] = split_spool_directory == (search_sequence == 0)
1094 subdir_str[1] = '\0';
1097 /******************************************************************************/
1098 /* Time calculations */
1100 /* Diff two times (later, earlier) returning diff in 1st arg */
1102 timediff(struct timeval * later, const struct timeval * earlier)
1104 later->tv_sec -= earlier->tv_sec;
1105 if ((later->tv_usec -= earlier->tv_usec) < 0)
1108 later->tv_usec += 1000*1000;
1113 timesince(struct timeval * diff, const struct timeval * then)
1115 gettimeofday(diff, NULL);
1116 timediff(diff, then);
1119 static inline uschar *
1120 string_timediff(const struct timeval * diff)
1122 static uschar buf[sizeof("0.000s")];
1124 if (diff->tv_sec >= 5 || !LOGGING(millisec))
1125 return readconf_printtime((int)diff->tv_sec);
1127 snprintf(CS buf, sizeof(buf), "%u.%03us", (uint)diff->tv_sec, (uint)diff->tv_usec/1000);
1132 static inline uschar *
1133 string_timesince(const struct timeval * then)
1135 struct timeval diff;
1136 timesince(&diff, then);
1137 return string_timediff(&diff);
1141 report_time_since(const struct timeval * t0, const uschar * where)
1143 # ifdef MEASURE_TIMING
1144 struct timeval diff;
1145 timesince(&diff, t0);
1146 fprintf(stderr, "%d %s:\t%ld.%06ld\n",
1147 (uint)getpid(), where, (long)diff.tv_sec, (long)diff.tv_usec);
1153 testharness_pause_ms(int millisec)
1155 #ifndef MEASURE_TIMING
1156 if (f.running_in_test_harness && f.testsuite_delays) millisleep(millisec);
1160 /******************************************************************************/
1161 /* Taint-checked file opens */
1164 exim_open2(const char *pathname, int flags)
1166 if (!is_tainted(pathname)) return open(pathname, flags);
1167 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1172 exim_open(const char *pathname, int flags, mode_t mode)
1174 if (!is_tainted(pathname)) return open(pathname, flags, mode);
1175 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1179 #ifdef EXIM_HAVE_OPENAT
1181 exim_openat(int dirfd, const char *pathname, int flags)
1183 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags);
1184 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1189 exim_openat4(int dirfd, const char *pathname, int flags, mode_t mode)
1191 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags, mode);
1192 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1198 static inline FILE *
1199 exim_fopen(const char *pathname, const char *mode)
1201 if (!is_tainted(pathname)) return fopen(pathname, mode);
1202 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1208 exim_opendir(const uschar * name)
1210 if (!is_tainted(name)) return opendir(CCS name);
1211 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted dirname '%s'", name);
1216 /******************************************************************************/
1217 # if !defined(COMPILE_UTILITY)
1218 /* Process manipulation */
1221 exim_fork(const unsigned char * purpose)
1224 DEBUG(D_any) debug_printf("%s forking for %s\n", process_purpose, purpose);
1225 if ((pid = fork()) == 0)
1227 process_purpose = purpose;
1228 DEBUG(D_any) debug_printf("postfork: %s\n", purpose);
1232 testharness_pause_ms(100); /* let child work */
1233 DEBUG(D_any) debug_printf("%s forked for %s: %d\n", process_purpose, purpose, (int)pid);
1240 child_open_exim(int * fdptr, const uschar * purpose)
1241 { return child_open_exim_function(fdptr, purpose); }
1244 child_open_exim2(int * fdptr, uschar * sender,
1245 uschar * sender_auth, const uschar * purpose)
1246 { return child_open_exim2_function(fdptr, sender, sender_auth, purpose); }
1249 child_open(uschar **argv, uschar **envp, int newumask, int *infdptr,
1250 int *outfdptr, BOOL make_leader, const uschar * purpose)
1251 { return child_open_function(argv, envp, newumask, infdptr,
1252 outfdptr, make_leader, purpose);
1255 /* Return 1 if fd is usable per pollbits, else 0 */
1257 poll_one_fd(int fd, short pollbits, int tmo_millisec)
1259 struct pollfd p = {.fd = fd, .events = pollbits};
1260 return poll(&p, 1, tmo_millisec);
1263 /******************************************************************************/
1264 /* Client-side smtp log string, for debug */
1267 smtp_debug_cmd(const uschar * buf, int mode)
1269 HDEBUG(D_transport|D_acl|D_v) debug_printf_indent(" SMTP%c> %s\n",
1270 mode == SCMD_BUFFER ? '|' : mode == SCMD_MORE ? '+' : '>', buf);
1272 # ifndef DISABLE_CLIENT_CMD_LOG
1274 int len = Ustrcspn(buf, " \n");
1275 int old_pool = store_pool;
1276 store_pool = POOL_PERM; /* Main pool ACL allocations eg. callouts get released */
1277 client_cmd_log = string_append_listele_n(client_cmd_log, ':', buf, MIN(len, 8));
1278 if (mode == SCMD_BUFFER)
1280 client_cmd_log = string_catn(client_cmd_log, US"|", 1);
1281 (void) string_from_gstring(client_cmd_log);
1283 store_pool = old_pool;
1290 smtp_debug_cmd_report(void)
1292 # ifndef DISABLE_CLIENT_CMD_LOG
1293 debug_printf("cmdlog: '%s'\n", client_cmd_log ? client_cmd_log->s : US"(unset)");
1299 # endif /* !COMPILE_UTILITY */
1301 /******************************************************************************/
1302 #endif /* !MACRO_PREDEF */
1304 #endif /* _FUNCTIONS_H_ */
1308 /* End of functions.h */