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 **);
103 extern uschar *acl_standalone_setvar(const uschar *);
105 extern tree_node *acl_var_create(uschar *);
106 extern void acl_var_write(uschar *, uschar *, void *);
108 #ifdef EXPERIMENTAL_ARC
109 extern void *arc_ams_setup_sign_bodyhash(void);
110 extern const uschar *arc_header_feed(gstring *, BOOL);
111 extern gstring *arc_sign(const uschar *, gstring *, uschar **);
112 extern void arc_sign_init(void);
113 extern const uschar *acl_verify_arc(void);
114 extern uschar * fn_arc_domains(void);
117 extern void assert_no_variables(void *, int, const char *, int);
118 extern int auth_call_pam(const uschar *, uschar **);
119 extern int auth_call_pwcheck(uschar *, uschar **);
120 extern int auth_call_radius(const uschar *, uschar **);
121 extern int auth_call_saslauthd(const uschar *, const uschar *,
122 const uschar *, const uschar *, uschar **);
123 extern int auth_check_serv_cond(auth_instance *);
124 extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
125 extern int auth_client_item(void *, auth_instance *, const uschar **,
126 unsigned, int, uschar *, int);
129 extern int auth_get_data(uschar **, const uschar *, int);
130 extern int auth_get_no64_data(uschar **, uschar *);
131 extern int auth_prompt(const uschar *);
132 extern int auth_read_input(const uschar *);
133 extern gstring * auth_show_supported(gstring *);
134 extern uschar *auth_xtextencode(uschar *, int);
135 extern int auth_xtextdecode(uschar *, uschar **);
136 extern uschar *authenticator_current_name(void);
138 #ifdef EXPERIMENTAL_ARC
139 extern gstring *authres_arc(gstring *);
142 extern gstring *authres_dkim(gstring *);
145 extern gstring *authres_dmarc(gstring *);
147 extern gstring *authres_smtpauth(gstring *);
149 extern gstring *authres_spf(gstring *);
152 extern uschar *b64encode(const uschar *, int);
153 extern uschar *b64encode_taint(const uschar *, int, const void *);
154 extern int b64decode(const uschar *, uschar **);
155 extern int bdat_getc(unsigned);
156 extern uschar *bdat_getbuf(unsigned *);
157 extern BOOL bdat_hasc(void);
158 extern int bdat_ungetc(int);
159 extern void bdat_flush_data(void);
161 extern void bits_clear(unsigned int *, size_t, int *);
162 extern void bits_set(unsigned int *, size_t, int *);
164 extern void cancel_cutthrough_connection(BOOL, const uschar *);
165 extern gstring *cat_file(FILE *, gstring *, uschar *);
166 extern gstring *cat_file_tls(void *, gstring *, uschar *);
167 extern int check_host(void *, const uschar *, const uschar **, uschar **);
168 extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
169 extern pid_t child_open_exim_function(int *, const uschar *);
170 extern pid_t child_open_exim2_function(int *, uschar *, uschar *,
172 extern pid_t child_open_function(uschar **, uschar **, int,
173 int *, int *, BOOL, const uschar *);
174 extern pid_t child_open_uid(const uschar **, const uschar **, int,
175 uid_t *, gid_t *, int *, int *, uschar *, BOOL, const uschar *);
176 extern BOOL cleanup_environment(void);
177 extern void cutthrough_data_puts(uschar *, int);
178 extern void cutthrough_data_put_nl(void);
179 extern uschar *cutthrough_finaldot(void);
180 extern BOOL cutthrough_flush_send(void);
181 extern BOOL cutthrough_headers_send(void);
182 extern BOOL cutthrough_predata(void);
183 extern void release_cutthrough_connection(const uschar *);
185 extern void daemon_go(void);
186 #ifndef COMPILE_UTILITY
187 extern ssize_t daemon_client_sockname(struct sockaddr_un *, uschar **);
188 extern ssize_t daemon_notifier_sockname(struct sockaddr_un *);
191 #ifdef EXPERIMENTAL_DCC
192 extern int dcc_process(uschar **);
195 extern void debug_logging_activate(const uschar *, const uschar *);
196 extern void debug_logging_from_spool(const uschar *);
197 extern void debug_logging_stop(BOOL);
198 extern void debug_print_argv(const uschar **);
199 extern void debug_print_ids(uschar *);
200 extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
201 extern void debug_print_string(uschar *);
202 extern void debug_print_tree(const char *, tree_node *);
203 extern void debug_vprintf(int, const char *, va_list);
204 extern void debug_pretrigger_setup(const uschar *);
205 extern void debug_pretrigger_discard(void);
206 extern void debug_print_socket(int);
207 extern void debug_trigger_fire(void);
209 extern void decode_bits(unsigned int *, size_t, int *,
210 const uschar *, bit_table *, int, uschar *, int);
211 extern void delete_pid_file(void);
212 extern void deliver_local(address_item *, BOOL);
213 extern address_item *deliver_make_addr(uschar *, BOOL);
214 extern void delivery_log(int, address_item *, int, uschar *);
215 extern int deliver_message(uschar *, BOOL, BOOL);
216 extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
217 extern void deliver_set_expansions(address_item *);
218 extern int deliver_split_address(address_item *);
219 extern void deliver_succeeded(address_item *);
221 extern void delivery_re_exec(int);
223 extern void die_tainted(const uschar *, const uschar *, int);
224 extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
226 extern uschar *dkim_exim_query_dns_txt(const uschar *);
227 extern void dkim_exim_sign_init(void);
229 extern BOOL dkim_transport_write_message(transport_ctx *,
230 struct ob_dkim *, const uschar ** errstr);
232 extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
233 extern int dns_basic_lookup(dns_answer *, const uschar *, int);
234 extern uschar *dns_build_reverse(const uschar *);
235 extern time_t dns_expire_from_soa(dns_answer *, int);
236 extern void dns_init(BOOL, BOOL, BOOL);
237 extern BOOL dns_is_aa(const dns_answer *);
238 extern BOOL dns_is_secure(const dns_answer *);
239 extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
240 extern void dns_pattern_init(void);
241 extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
242 extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
243 extern uschar *dns_text_type(int);
244 extern void dscp_list_to_stream(FILE *);
245 extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
247 extern void enq_end(uschar *);
248 extern BOOL enq_start(uschar *, unsigned);
249 #ifndef DISABLE_EVENT
250 extern uschar *event_raise(uschar *, const uschar *, uschar *, int *);
251 extern void msg_event_raise(const uschar *, const address_item *);
254 extern int exim_chown_failure(int, const uschar*, uid_t, gid_t);
255 extern const uschar * exim_errstr(int);
256 extern void exim_exit(int) NORETURN;
257 extern void exim_gettime(struct timeval *);
258 extern void exim_nullstd(void);
259 extern void exim_setugid(uid_t, gid_t, BOOL, const uschar *);
260 extern void exim_underbar_exit(int) NORETURN;
261 extern void exim_wait_tick(struct timeval *, int);
262 extern int exp_bool(address_item *addr,
263 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
264 uschar *svalue, BOOL *rvalue);
265 extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
266 extern uschar *expand_file_big_buffer(const uschar *);
267 extern uschar *expand_string(uschar *); /* public, cannot make const */
268 extern const uschar *expand_string_2(const uschar *, BOOL *);
269 extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
270 extern uschar *expand_getkeyed(const uschar *, const uschar *);
272 extern uschar *expand_hide_passwords(uschar * );
273 extern uschar *expand_string_copy(const uschar *);
274 extern int_eximarith_t expand_string_integer(uschar *, BOOL);
275 extern void modify_variable(uschar *, void *);
277 extern BOOL fd_ready(int, time_t);
279 extern int filter_interpret(const uschar *, int, address_item **, uschar **);
280 extern BOOL filter_personal(string_item *, BOOL);
281 extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
282 extern BOOL filter_system_interpret(address_item **, uschar **);
284 extern uschar * fn_hdrs_added(void);
285 extern void force_fd(int, int);
287 extern void header_add(int, const char *, ...);
288 extern header_line *header_add_at_position_internal(BOOL, uschar *, BOOL, int, const char *, ...);
289 extern int header_checkname(header_line *, BOOL);
290 extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
291 extern int host_address_extract_port(uschar *);
292 extern uschar *host_and_ident(BOOL);
293 extern int host_aton(const uschar *, int *);
294 extern void host_build_hostlist(host_item **, const uschar *, BOOL);
295 extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
296 extern void host_build_log_info(void);
297 extern void host_build_sender_fullhost(void);
298 extern int host_find_byname(host_item *, const uschar *, int,
299 const uschar **, BOOL);
300 extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
301 uschar *, const dnssec_domains *, const uschar **, BOOL *);
302 extern ip_address_item *host_find_interfaces(void);
303 extern BOOL host_is_in_net(const uschar *, const uschar *, int);
304 extern BOOL host_is_tls_on_connect_port(int);
305 extern int host_item_get_port(host_item *);
306 extern void host_mask(int, int *, int);
307 extern int host_name_lookup(void);
308 extern int host_nmtoa(int, int *, int, uschar *, int);
309 extern uschar *host_ntoa(int, const void *, uschar *, int *);
310 extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
312 extern uschar *imap_utf7_encode(uschar *, const uschar *,
313 uschar, uschar *, uschar **);
315 extern void invert_address(uschar *, uschar *);
316 extern int ip_addr(void *, int, const uschar *, int);
317 extern int ip_bind(int, int, uschar *, int);
318 extern int ip_connect(int, int, const uschar *, int, int, const blob *);
319 extern int ip_connectedsocket(int, const uschar *, int, int,
320 int, host_item *, uschar **, const blob *);
321 extern int ip_get_address_family(int);
322 extern void ip_keepalive(int, const uschar *, BOOL);
323 extern int ip_recv(client_conn_ctx *, uschar *, int, time_t);
324 extern int ip_socket(int, int);
326 extern int ip_tcpsocket(const uschar *, uschar **, int, host_item *);
327 extern int ip_unixsocket(const uschar *, uschar **);
328 extern int ip_streamsocket(const uschar *, uschar **, int, host_item *);
330 extern int ipv6_nmtoa(int *, uschar *);
332 extern uschar *local_part_quote(uschar *);
333 extern int log_open_as_exim(const uschar * const);
334 extern void log_close_all(void);
336 extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
337 extern BOOL macro_read_assignment(uschar *);
338 extern uschar *macros_expand(int, int *, BOOL *);
339 extern void mainlog_close(void);
340 #ifdef WITH_CONTENT_SCAN
341 extern int malware(const uschar *, BOOL, int);
342 extern int malware_in_file(uschar *);
343 extern void malware_init(void);
344 extern gstring * malware_show_supported(gstring *);
346 extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
347 unsigned int *, int, int, const uschar **);
348 extern int match_address_list_basic(const uschar *, const uschar **, int);
349 extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
350 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
351 const uschar *, const uschar **);
352 extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
353 unsigned int *, int, BOOL, const uschar **);
354 extern int match_check_string(const uschar *, const uschar *, int, mcs_flags,
357 extern void message_start(void);
358 extern void message_tidyup(void);
359 extern void md5_end(md5 *, const uschar *, int, uschar *);
360 extern void md5_mid(md5 *, const uschar *);
361 extern void md5_start(md5 *);
362 extern void millisleep(int);
363 #ifdef WITH_CONTENT_SCAN
364 struct mime_boundary_context;
365 extern int mime_acl_check(uschar *acl, FILE *f,
366 struct mime_boundary_context *, uschar **, uschar **);
367 extern int mime_decode(const uschar **);
368 extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
369 extern int mime_regex(const uschar **, BOOL);
370 extern void mime_set_anomaly(int);
372 extern uschar *moan_check_errorcopy(uschar *);
373 extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
375 extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
376 extern BOOL moan_send_message(uschar *, int, error_block *eblock,
377 header_line *, FILE *, uschar *);
378 extern void moan_tell_someone(uschar *, address_item *,
379 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
380 extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
381 extern void moan_write_from(FILE *);
382 extern void moan_write_references(FILE *, uschar *);
383 extern FILE *modefopen(const uschar *, const char *, mode_t);
385 extern int open_cutthrough_connection( address_item * addr );
387 extern uschar *parse_extract_address(const uschar *, uschar **, int *, int *, int *,
389 extern int parse_forward_list(const uschar *, int, address_item **, uschar **,
390 const uschar *, const uschar *, error_block **);
391 extern uschar *parse_find_address_end(const uschar *, BOOL);
392 extern const uschar *parse_find_at(const uschar *);
393 extern const uschar *parse_fix_phrase(const uschar *, int);
394 extern const uschar *parse_message_id(const uschar *, uschar **, uschar **);
395 extern const uschar *parse_quote_2047(const uschar *, int, const uschar *,
397 extern const uschar *parse_date_time(const uschar *str, time_t *t);
398 extern void priv_drop_temp(const uid_t, const gid_t);
399 extern void priv_restore(void);
400 extern int vaguely_random_number(int);
402 extern int vaguely_random_number_fallback(int);
405 extern BOOL queue_action(uschar *, int, uschar **, int, int);
406 extern void queue_check_only(void);
407 extern unsigned queue_count(void);
408 extern unsigned queue_count_cached(void);
409 extern void queue_list(int, uschar **, int);
410 #ifndef DISABLE_QUEUE_RAMP
411 extern void queue_notify_daemon(const uschar * hostname);
413 extern void queue_run(uschar *, uschar *, BOOL);
415 extern int random_number(int);
416 extern const uschar *rc_to_string(int);
417 extern int rda_interpret(redirect_block *, int, const uschar *, const uschar *,
418 const uschar *, const uschar *, const uschar *, const ugid_block *, address_item **,
419 uschar **, error_block **, int *, const uschar *);
420 extern int rda_is_filter(const uschar *);
421 extern BOOL readconf_depends(driver_instance *, uschar *);
422 extern void readconf_driver_init(uschar *, driver_instance **,
423 driver_info *, int, void *, int, optionlist *, int);
424 extern uschar *readconf_find_option(void *);
425 extern void readconf_main(BOOL);
426 extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
427 extern BOOL readconf_print(const uschar *, uschar *, BOOL);
428 extern uschar *readconf_printtime(int);
429 extern const uschar *readconf_readname(uschar *, int, const uschar *);
430 extern int readconf_readtime(const uschar *, int, BOOL);
431 extern void readconf_rest(void);
432 extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
433 extern void readconf_save_config(const uschar *);
434 extern void read_message_body(BOOL);
435 extern void receive_bomb_out(uschar *, uschar *) NORETURN;
436 extern BOOL receive_check_fs(int);
437 extern BOOL receive_check_set_sender(uschar *);
438 extern BOOL receive_msg(BOOL);
439 extern int_eximarith_t receive_statvfs(BOOL, int *);
440 extern void receive_swallow_smtp(void);
441 #ifdef WITH_CONTENT_SCAN
442 extern int regex(const uschar **, BOOL);
444 extern void regex_at_daemon(const uschar *);
445 extern BOOL regex_match(const pcre2_code *, const uschar *, int, uschar **);
446 extern BOOL regex_match_and_setup(const pcre2_code *, const uschar *, int, int);
447 extern const pcre2_code *regex_compile(const uschar *, mcs_flags, uschar **,
448 pcre2_compile_context *);
449 extern const pcre2_code *regex_must_compile(const uschar *, mcs_flags, BOOL);
450 extern void retry_add_item(address_item *, uschar *, int);
451 extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
452 uschar **, uschar **);
453 extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
454 extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
455 dbdata_retry *, time_t);
456 extern void retry_update(address_item **, address_item **, address_item **);
457 extern const uschar *rewrite_address(const uschar *, BOOL, BOOL, rewrite_rule *, int);
458 extern const uschar *rewrite_address_qualify(const uschar *, BOOL);
459 extern header_line *rewrite_header(header_line *,
460 const uschar *, const uschar *,
461 rewrite_rule *, int, BOOL);
462 extern const uschar *rewrite_one(const uschar *, int, BOOL *, BOOL, uschar *,
464 extern void rewrite_test(const uschar *);
465 extern uschar *rfc2047_decode2(uschar *, BOOL, const uschar *, int, int *,
467 extern int route_address(address_item *, address_item **, address_item **,
468 address_item **, address_item **, int);
469 extern int route_check_prefix(const uschar *, const uschar *, unsigned *);
470 extern int route_check_suffix(const uschar *, const uschar *, unsigned *);
471 extern BOOL route_findgroup(uschar *, gid_t *);
472 extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
473 extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
475 extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
476 struct passwd **, uid_t *, uschar **);
477 extern void route_init(void);
478 extern gstring * route_show_supported(gstring *);
479 extern void route_tidyup(void);
480 extern uschar *router_current_name(void);
482 extern uschar *search_args(int, uschar *, uschar *, uschar **, const uschar *);
483 extern uschar *search_find(void *, const uschar *, uschar *, int,
484 const uschar *, int, int, int *, const uschar *);
485 extern int search_findtype(const uschar *, int);
486 extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
487 int *, const uschar **);
488 extern void *search_open(const uschar *, int, int, uid_t *, gid_t *);
489 extern void search_tidyup(void);
490 extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
491 extern void sha1_end(hctx *, const uschar *, int, uschar *);
492 extern void sha1_mid(hctx *, const uschar *);
493 extern void sha1_start(hctx *);
494 extern int sieve_interpret(const uschar *, int, const uschar *,
495 const uschar *, const uschar *, const uschar *,
496 address_item **, uschar **);
497 extern void sigalrm_handler(int);
498 extern int smtp_boundsock(smtp_connect_args *);
499 extern void smtp_closedown(uschar *);
500 extern void smtp_command_timeout_exit(void) NORETURN;
501 extern void smtp_command_sigterm_exit(void) NORETURN;
502 extern void smtp_data_timeout_exit(void) NORETURN;
503 extern void smtp_data_sigint_exit(void) NORETURN;
504 extern void smtp_deliver_init(void);
505 extern uschar *smtp_cmd_hist(void);
506 extern int smtp_connect(smtp_connect_args *, const blob *);
507 extern int smtp_feof(void);
508 extern int smtp_ferror(void);
509 extern uschar *smtp_get_connection_info(void);
510 extern BOOL smtp_get_interface(uschar *, int, address_item *,
511 uschar **, uschar *);
512 extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
513 extern int smtp_getc(unsigned);
514 extern uschar *smtp_getbuf(unsigned *);
515 extern void smtp_get_cache(unsigned);
516 extern BOOL smtp_hasc(void);
517 extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
518 extern void smtp_log_no_mail(void);
519 extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
520 extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int, const uschar *) NORETURN;
521 extern BOOL smtp_read_response(void *, uschar *, int, int, int);
522 extern void *smtp_reset(void *);
523 extern void smtp_respond(uschar *, int, BOOL, uschar *);
524 extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
525 extern void smtp_port_for_connect(host_item *, int);
526 extern void smtp_send_prohibition_message(int, uschar *);
527 extern int smtp_setup_msg(void);
528 extern int smtp_sock_connect(smtp_connect_args *, int, const blob *);
529 extern BOOL smtp_start_session(void);
530 extern int smtp_ungetc(int);
531 extern BOOL smtp_verify_helo(void);
532 extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4);
533 #ifdef WITH_CONTENT_SCAN
534 extern int spam(const uschar **);
535 extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
537 extern void spool_clear_header_globals(void);
538 extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
539 extern int spool_open_datafile(uschar *);
540 extern int spool_open_temp(uschar *);
541 extern int spool_read_header(uschar *, BOOL, BOOL);
542 extern uschar *spool_sender_from_msgid(const uschar *);
543 extern int spool_write_header(uschar *, int, uschar **);
544 extern int stdin_getc(unsigned);
545 extern int stdin_feof(void);
546 extern int stdin_ferror(void);
547 extern BOOL stdin_hasc(void);
548 extern int stdin_ungetc(int);
550 extern void store_exit(void);
551 extern void store_init(void);
552 extern void store_writeprotect(int);
554 extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
555 extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
556 extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
557 extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT;
558 extern uschar *string_base62(unsigned long int);
559 extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
560 extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
561 extern int string_compare_by_pointer(const void *, const void *);
562 extern uschar *string_copy_dnsdomain(uschar *);
563 extern uschar *string_copy_malloc(const uschar *);
564 extern uschar *string_dequote(const uschar **);
565 extern uschar *string_format_size(int, uschar *);
566 extern int string_interpret_escape(const uschar **);
567 extern int string_is_ip_address(const uschar *, int *);
569 extern BOOL string_is_utf8(const uschar *);
571 extern const uschar *string_printing2(const uschar *, int);
572 extern uschar *string_split_message(uschar *);
573 extern uschar *string_unprinting(uschar *);
575 extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
576 extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
577 extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
578 extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
579 extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
582 #define string_format(buf, siz, fmt, ...) \
583 string_format_trc(buf, siz, US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
584 extern BOOL string_format_trc(uschar *, int, const uschar *, unsigned,
585 const char *, ...) ALMOST_PRINTF(5,6);
587 #define string_vformat(g, flgs, fmt, ap) \
588 string_vformat_trc(g, US __FUNCTION__, __LINE__, \
589 STRING_SPRINTF_BUFFER_SIZE, flgs, fmt, ap)
590 extern gstring *string_vformat_trc(gstring *, const uschar *, unsigned,
591 unsigned, unsigned, const char *, va_list);
593 #define string_open_failed(fmt, ...) \
594 string_open_failed_trc(US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
595 extern uschar *string_open_failed_trc(const uschar *, unsigned,
596 const char *, ...) PRINTF_FUNCTION(3,4);
598 #define string_nextinlist(lp, sp, b, l) \
599 string_nextinlist_trc((lp), (sp), (b), (l), US __FUNCTION__, __LINE__)
600 extern uschar *string_nextinlist_trc(const uschar **listptr, int *separator, uschar *buffer, int buflen,
601 const uschar * func, int line);
603 extern int strcmpic(const uschar *, const uschar *);
604 extern int strncmpic(const uschar *, const uschar *, int);
605 extern uschar *strstric(uschar *, uschar *, BOOL);
606 extern const uschar *strstric_c(const uschar *, const uschar *, BOOL);
608 extern int test_harness_fudged_queue_time(int);
609 extern void tcp_init(void);
610 #ifdef EXIM_TFO_PROBE
611 extern void tfo_probe(void);
613 extern void tls_modify_variables(tls_support *);
614 extern uschar *tod_stamp(int);
616 extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
618 extern uschar *transport_current_name(void);
619 extern void transport_do_pass_socket(const uschar *, const uschar *,
620 const uschar *, uschar *, int);
621 extern void transport_init(void);
622 extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *, int
623 #ifdef EXPERIMENTAL_ESMTP_LIMITS
624 , unsigned, unsigned, unsigned
627 extern uschar *transport_rcpt_address(address_item *, BOOL);
628 extern BOOL transport_set_up_command(const uschar ***, const uschar *,
629 BOOL, int, address_item *, BOOL, const uschar *, uschar **);
630 extern void transport_update_waiting(host_item *, uschar *);
631 extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
632 extern void transport_write_reset(int);
633 extern BOOL transport_write_string(int, const char *, ...);
634 extern BOOL transport_headers_send(transport_ctx *,
635 BOOL (*)(transport_ctx *, uschar *, int));
636 extern gstring * transport_show_supported(gstring *);
637 extern BOOL transport_write_message(transport_ctx *, int);
638 extern void tree_add_duplicate(const uschar *, address_item *);
639 extern void tree_add_nonrecipient(const uschar *);
640 extern void tree_add_unusable(const host_item *);
641 extern void tree_dup(tree_node **, tree_node *);
642 extern int tree_insertnode(tree_node **, tree_node *);
643 extern tree_node *tree_search(tree_node *, const uschar *);
644 extern void tree_write(tree_node *, FILE *);
645 extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
647 #ifdef WITH_CONTENT_SCAN
648 extern void unspool_mbox(void);
651 extern gstring *utf8_version_report(gstring *);
654 extern int verify_address(address_item *, FILE *, int, int, int, int,
655 uschar *, uschar *, BOOL *);
656 extern int verify_check_dnsbl(int, const uschar **, uschar **);
657 extern int verify_check_header_address(uschar **, uschar **, int, int, int,
658 uschar *, uschar *, int, int *);
659 extern int verify_check_headers(uschar **);
660 extern int verify_check_header_names_ascii(uschar **);
661 extern int verify_check_host(uschar **);
662 extern int verify_check_notblind(BOOL);
663 extern int verify_check_given_host(const uschar **, const host_item *);
664 extern int verify_check_this_host(const uschar **, unsigned int *,
665 const uschar*, const uschar *, const uschar **);
666 extern address_item *verify_checked_sender(uschar *);
667 extern void verify_get_ident(int);
668 extern void verify_quota(uschar *);
669 extern int verify_quota_call(const uschar *, int, int, uschar **);
670 extern BOOL verify_sender(int *, uschar **);
671 extern BOOL verify_sender_preliminary(int *, uschar **);
672 extern void version_init(void);
674 extern BOOL write_chunk(transport_ctx *, uschar *, int);
675 extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
678 /******************************************************************************/
679 /* Predicate: if an address is in a tainted pool.
680 By extension, a variable pointing to this address is tainted.
684 is_tainted(const void * p)
686 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
690 extern BOOL is_tainted_fn(const void *);
691 return is_tainted_fn(p);
696 is_incompatible(const void * old, const void * new)
698 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
702 extern BOOL is_incompatible_fn(const void *, const void *);
703 return is_incompatible_fn(old, new);
707 /******************************************************************************/
708 /* String functions */
709 static inline uschar * __Ustrcat(uschar * dst, const uschar * src, const char * func, int line)
711 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
712 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcat", CUS func, line);
714 return US strcat(CS dst, CCS src);
716 static inline uschar * __Ustrcpy(uschar * dst, const uschar * src, const char * func, int line)
718 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
719 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcpy", CUS func, line);
721 return US strcpy(CS dst, CCS src);
723 static inline uschar * __Ustrncat(uschar * dst, const uschar * src, size_t n, const char * func, int line)
725 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
726 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncat", CUS func, line);
728 return US strncat(CS dst, CCS src, n);
730 static inline uschar * __Ustrncpy(uschar * dst, const uschar * src, size_t n, const char * func, int line)
732 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
733 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncpy", CUS func, line);
735 return US strncpy(CS dst, CCS src, n);
737 /*XXX will likely need unchecked copy also */
740 /* Advance the string pointer given over any whitespace.
741 Return the next char as there's enought places using it to be useful. */
743 #define Uskip_whitespace(sp) skip_whitespace(CUSS sp)
745 static inline uschar skip_whitespace(const uschar ** sp)
746 { while (isspace(**sp)) (*sp)++; return **sp; }
749 /******************************************************************************/
751 #if !defined(MACRO_PREDEF) && !defined(COMPILE_UTILITY)
752 /* exim_chown - in some NFSv4 setups *seemes* to be an issue with
753 chown(<exim-uid>, <exim-gid>).
755 Probably because the idmapping is broken, misconfigured or set up in
756 an unusal way. (see Bug 2931). As I'm not sure, if this was a single
757 case of misconfiguration, or if there are more such broken systems
758 out, I try to impose as least impact as possible and for now just write
759 a panic log entry pointing to the bug report. You're encouraged to
760 contact the developers, if you experience this issue.
762 fd the file descriptor (or -1 if not valid)
763 name the file name for error messages or for file operations,
768 returns 0 on success, -1 on failure */
771 exim_fchown(int fd, uid_t owner, gid_t group, const uschar *name)
773 return fchown(fd, owner, group)
774 ? exim_chown_failure(fd, name, owner, group) : 0;
778 exim_chown(const uschar *name, uid_t owner, gid_t group)
780 return chown(CCS name, owner, group)
781 ? exim_chown_failure(-1, name, owner, group) : 0;
783 #endif /* !MACRO_PREDEF && !COMPILE_UTILITY */
785 /******************************************************************************/
786 /* String functions */
788 #if !defined(MACRO_PREDEF)
789 /*************************************************
790 * Copy and save string *
791 *************************************************/
793 /* This function assumes that memcpy() is faster than strcpy().
794 The result is explicitly nul-terminated.
797 static inline uschar *
798 string_copyn_taint_trc(const uschar * s, unsigned len,
799 const void * proto_mem, const char * func, int line)
802 unsigned slen = Ustrlen(s);
803 if (len > slen) len = slen;
804 ss = store_get_3(len + 1, proto_mem, func, line);
810 static inline uschar *
811 string_copy_taint_trc(const uschar * s, const void * proto_mem, const char * func, int line)
812 { return string_copyn_taint_trc(s, Ustrlen(s), proto_mem, func, line); }
814 static inline uschar *
815 string_copyn_trc(const uschar * s, unsigned len, const char * func, int line)
816 { return string_copyn_taint_trc(s, len, s, func, line); }
817 static inline uschar *
818 string_copy_trc(const uschar * s, const char * func, int line)
819 { return string_copy_taint_trc(s, s, func, line); }
822 /* String-copy functions explicitly setting the taint status */
824 #define string_copyn_taint(s, len, proto_mem) \
825 string_copyn_taint_trc((s), (len), (proto_mem), __FUNCTION__, __LINE__)
826 #define string_copy_taint(s, proto_mem) \
827 string_copy_taint_trc((s), (proto_mem), __FUNCTION__, __LINE__)
829 /* Simple string-copy functions maintaining the taint */
831 #define string_copyn(s, len) \
832 string_copyn_trc((s), (len), __FUNCTION__, __LINE__)
833 #define string_copy(s) \
834 string_copy_trc((s), __FUNCTION__, __LINE__)
837 /*************************************************
838 * Copy, lowercase and save string *
839 *************************************************/
842 Argument: string to copy
843 Returns: copy of string in new store, with letters lowercased
846 static inline uschar *
847 string_copylc(const uschar * s)
849 uschar * ss = store_get(Ustrlen(s) + 1, s);
851 while (*s) *p++ = tolower(*s++);
858 /*************************************************
859 * Copy, lowercase, and save string, given length *
860 *************************************************/
862 /* It is assumed the data contains no zeros. A zero is added
867 n number of characters
869 Returns: copy of string in new store, with letters lowercased
872 static inline uschar *
873 string_copynlc(uschar * s, int n)
875 uschar * ss = store_get(n + 1, s);
877 while (n-- > 0) *p++ = tolower(*s++);
883 # ifndef COMPILE_UTILITY
884 /*************************************************
885 * Copy and save string in longterm store *
886 *************************************************/
888 /* This function assumes that memcpy() is faster than strcpy().
890 Argument: string to copy
891 Returns: copy of string in new store
894 static inline uschar *
895 string_copy_perm(const uschar *s, BOOL force_taint)
897 int old_pool = store_pool;
898 int len = Ustrlen(s) + 1;
901 store_pool = POOL_PERM;
902 ss = store_get(len, force_taint ? GET_TAINTED : s);
904 store_pool = old_pool;
911 /* sprintf into a buffer, taint-unchecked */
914 string_format_nt(uschar * buf, int siz, const char * fmt, ...)
916 gstring gs = { .size = siz, .ptr = 0, .s = buf };
919 (void) string_vformat(&gs, SVFMT_TAINT_NOCHK, fmt, ap);
925 /******************************************************************************/
926 /* Growable-string functions */
928 /* Create a growable-string with some preassigned space */
930 #define string_get_tainted(size, proto_mem) \
931 string_get_tainted_trc((size), (proto_mem), __FUNCTION__, __LINE__)
933 static inline gstring *
934 string_get_tainted_trc(unsigned size, const void * proto_mem, const char * func, unsigned line)
936 gstring * g = store_get_3(sizeof(gstring) + size, proto_mem, func, line);
937 g->size = size; /*XXX would be good if we could see the actual alloc size */
943 #define string_get(size) \
944 string_get_trc((size), __FUNCTION__, __LINE__)
946 static inline gstring *
947 string_get_trc(unsigned size, const char * func, unsigned line)
949 return string_get_tainted_trc(size, GET_UNTAINTED, func, line);
952 /* NUL-terminate the C string in the growable-string, and return it. */
954 static inline uschar *
955 string_from_gstring(gstring * g)
962 static inline unsigned
963 gstring_length(const gstring * g)
965 return g ? (unsigned)g->ptr : 0;
969 #define gstring_release_unused(g) \
970 gstring_release_unused_trc(g, __FUNCTION__, __LINE__)
973 gstring_release_unused_trc(gstring * g, const char * file, unsigned line)
975 if (g) store_release_above_3(g->s + (g->size = g->ptr + 1), file, line);
979 /* sprintf-append to a growable-string */
981 #define string_fmt_append(g, fmt, ...) \
982 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
983 SVFMT_EXTEND|SVFMT_REBUFFER, fmt, __VA_ARGS__)
985 #define string_fmt_append_f(g, flgs, fmt, ...) \
986 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
987 flgs, fmt, __VA_ARGS__)
989 static inline gstring *
990 string_fmt_append_f_trc(gstring * g, const uschar * func, unsigned line,
991 unsigned flags, const char *format, ...)
994 va_start(ap, format);
995 g = string_vformat_trc(g, func, line, STRING_SPRINTF_BUFFER_SIZE,
1002 /* Copy the content of a string to tainted memory. The proto_mem arg
1003 will always be tainted, and suitable as a prototype. */
1006 gstring_rebuffer(gstring * g, const void * proto_mem)
1008 uschar * s = store_get_3(g->size, proto_mem, __FUNCTION__, __LINE__);
1009 memcpy(s, g->s, g->ptr);
1014 # ifndef COMPILE_UTILITY
1015 /******************************************************************************/
1016 /* Use store_malloc for DNSA structs, and explicit frees. Using the same pool
1017 for them as the strings we proceed to copy from them meant they could not be
1018 released, hence blowing 64k for every DNS lookup. That mounted up. With malloc
1019 we do have to take care over marking tainted all copied strings. A separate pool
1020 could be used and would handle that implicitly. */
1022 #define store_get_dns_answer() store_get_dns_answer_trc(CUS __FUNCTION__, __LINE__)
1024 static inline dns_answer *
1025 store_get_dns_answer_trc(const uschar * func, unsigned line)
1027 return store_malloc_3(sizeof(dns_answer), CCS func, line);
1030 #define store_free_dns_answer(dnsa) store_free_dns_answer_trc(dnsa, CUS __FUNCTION__, __LINE__)
1033 store_free_dns_answer_trc(dns_answer * dnsa, const uschar * func, unsigned line)
1035 store_free_3(dnsa, CCS func, line);
1038 /******************************************************************************/
1039 /* Routines with knowledge of spool layout */
1042 spool_pname_buf(uschar * buf, int len)
1044 snprintf(CS buf, len, "%s/%s/input", spool_directory, queue_name);
1047 static inline uschar *
1048 spool_dname(const uschar * purpose, uschar * subdir)
1050 return string_sprintf("%s/%s/%s/%s",
1051 spool_directory, queue_name, purpose, subdir);
1055 static inline uschar *
1056 spool_q_sname(const uschar * purpose, const uschar * q, uschar * subdir)
1058 return string_sprintf("%s%s%s%s%s",
1061 *subdir ? "/" : "", subdir);
1064 static inline uschar *
1065 spool_sname(const uschar * purpose, uschar * subdir)
1067 return spool_q_sname(purpose, queue_name, subdir);
1070 static inline uschar *
1071 spool_q_fname(const uschar * purpose, const uschar * q,
1072 const uschar * subdir, const uschar * fname, const uschar * suffix)
1074 return string_sprintf("%s/%s/%s/%s/%s%s",
1075 spool_directory, q, purpose, subdir, fname, suffix);
1078 static inline uschar *
1079 spool_fname(const uschar * purpose, const uschar * subdir, const uschar * fname,
1080 const uschar * suffix)
1082 #ifdef COMPILE_UTILITY /* version avoiding string-extension */
1083 int len = Ustrlen(spool_directory) + 1 + Ustrlen(queue_name) + 1 + Ustrlen(purpose) + 1
1084 + Ustrlen(subdir) + 1 + Ustrlen(fname) + Ustrlen(suffix) + 1;
1085 uschar * buf = store_get(len, GET_UNTAINTED);
1086 string_format(buf, len, "%s/%s/%s/%s/%s%s",
1087 spool_directory, queue_name, purpose, subdir, fname, suffix);
1090 return spool_q_fname(purpose, queue_name, subdir, fname, suffix);
1095 set_subdir_str(uschar * subdir_str, const uschar * name,
1096 int search_sequence)
1098 subdir_str[0] = split_spool_directory == (search_sequence == 0)
1100 subdir_str[1] = '\0';
1103 /******************************************************************************/
1104 /* Time calculations */
1106 /* Diff two times (later, earlier) returning diff in 1st arg */
1108 timediff(struct timeval * later, const struct timeval * earlier)
1110 later->tv_sec -= earlier->tv_sec;
1111 if ((later->tv_usec -= earlier->tv_usec) < 0)
1114 later->tv_usec += 1000*1000;
1119 timesince(struct timeval * diff, const struct timeval * then)
1121 gettimeofday(diff, NULL);
1122 timediff(diff, then);
1125 static inline uschar *
1126 string_timediff(const struct timeval * diff)
1128 static uschar buf[sizeof("0.000s")];
1130 if (diff->tv_sec >= 5 || !LOGGING(millisec))
1131 return readconf_printtime((int)diff->tv_sec);
1133 snprintf(CS buf, sizeof(buf), "%u.%03us", (uint)diff->tv_sec, (uint)diff->tv_usec/1000);
1138 static inline uschar *
1139 string_timesince(const struct timeval * then)
1141 struct timeval diff;
1142 timesince(&diff, then);
1143 return string_timediff(&diff);
1147 report_time_since(const struct timeval * t0, const uschar * where)
1149 # ifdef MEASURE_TIMING
1150 struct timeval diff;
1151 timesince(&diff, t0);
1152 fprintf(stderr, "%d %s:\t%ld.%06ld\n",
1153 (uint)getpid(), where, (long)diff.tv_sec, (long)diff.tv_usec);
1159 testharness_pause_ms(int millisec)
1161 #ifndef MEASURE_TIMING
1162 if (f.running_in_test_harness && f.testsuite_delays) millisleep(millisec);
1166 /******************************************************************************/
1167 /* Taint-checked file opens */
1170 exim_open2(const char *pathname, int flags)
1172 if (!is_tainted(pathname)) return open(pathname, flags);
1173 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1178 exim_open(const char *pathname, int flags, mode_t mode)
1180 if (!is_tainted(pathname)) return open(pathname, flags, mode);
1181 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1185 #ifdef EXIM_HAVE_OPENAT
1187 exim_openat(int dirfd, const char *pathname, int flags)
1189 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags);
1190 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1195 exim_openat4(int dirfd, const char *pathname, int flags, mode_t mode)
1197 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags, mode);
1198 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1204 static inline FILE *
1205 exim_fopen(const char *pathname, const char *mode)
1207 if (!is_tainted(pathname)) return fopen(pathname, mode);
1208 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1214 exim_opendir(const uschar * name)
1216 if (!is_tainted(name)) return opendir(CCS name);
1217 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted dirname '%s'", name);
1222 /******************************************************************************/
1223 # if !defined(COMPILE_UTILITY)
1224 /* Process manipulation */
1227 exim_fork(const unsigned char * purpose)
1230 DEBUG(D_any) debug_printf("%s forking for %s\n", process_purpose, purpose);
1231 if ((pid = fork()) == 0)
1233 f.daemon_listen = FALSE;
1234 process_purpose = purpose;
1235 DEBUG(D_any) debug_printf("postfork: %s\n", purpose);
1239 testharness_pause_ms(100); /* let child work */
1240 DEBUG(D_any) debug_printf("%s forked for %s: %d\n", process_purpose, purpose, (int)pid);
1247 child_open_exim(int * fdptr, const uschar * purpose)
1248 { return child_open_exim_function(fdptr, purpose); }
1251 child_open_exim2(int * fdptr, uschar * sender,
1252 uschar * sender_auth, const uschar * purpose)
1253 { return child_open_exim2_function(fdptr, sender, sender_auth, purpose); }
1256 child_open(uschar **argv, uschar **envp, int newumask, int *infdptr,
1257 int *outfdptr, BOOL make_leader, const uschar * purpose)
1258 { return child_open_function(argv, envp, newumask, infdptr,
1259 outfdptr, make_leader, purpose);
1262 /* Return 1 if fd is usable per pollbits, else 0 */
1264 poll_one_fd(int fd, short pollbits, int tmo_millisec)
1266 struct pollfd p = {.fd = fd, .events = pollbits};
1267 return poll(&p, 1, tmo_millisec);
1270 /******************************************************************************/
1271 /* Client-side smtp log string, for debug */
1274 smtp_debug_cmd(const uschar * buf, int mode)
1276 HDEBUG(D_transport|D_acl|D_v) debug_printf_indent(" SMTP%c> %s\n",
1277 mode == SCMD_BUFFER ? '|' : mode == SCMD_MORE ? '+' : '>', buf);
1279 # ifndef DISABLE_CLIENT_CMD_LOG
1281 int len = Ustrcspn(buf, " \n");
1282 int old_pool = store_pool;
1283 store_pool = POOL_PERM; /* Main pool ACL allocations eg. callouts get released */
1284 client_cmd_log = string_append_listele_n(client_cmd_log, ':', buf, MIN(len, 8));
1285 if (mode == SCMD_BUFFER)
1287 client_cmd_log = string_catn(client_cmd_log, US"|", 1);
1288 (void) string_from_gstring(client_cmd_log);
1290 store_pool = old_pool;
1297 smtp_debug_cmd_report(void)
1299 # ifndef DISABLE_CLIENT_CMD_LOG
1300 debug_printf("cmdlog: '%s'\n", client_cmd_log ? client_cmd_log->s : US"(unset)");
1306 # endif /* !COMPILE_UTILITY */
1308 /******************************************************************************/
1309 #endif /* !MACRO_PREDEF */
1311 #endif /* _FUNCTIONS_H_ */
1315 /* End of functions.h */