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 stackdump(void);
551 extern void store_exit(void);
552 extern void store_init(void);
553 extern void store_writeprotect(int);
555 extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
556 extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
557 extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
558 extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT;
559 extern uschar *string_base62(unsigned long int);
560 extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
561 extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
562 extern int string_compare_by_pointer(const void *, const void *);
563 extern uschar *string_copy_dnsdomain(uschar *);
564 extern uschar *string_copy_malloc(const uschar *);
565 extern uschar *string_dequote(const uschar **);
566 extern uschar *string_format_size(int, uschar *);
567 extern int string_interpret_escape(const uschar **);
568 extern int string_is_ip_address(const uschar *, int *);
570 extern BOOL string_is_utf8(const uschar *);
572 extern const uschar *string_printing2(const uschar *, int);
573 extern uschar *string_split_message(uschar *);
574 extern uschar *string_unprinting(uschar *);
576 extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
577 extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
578 extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
579 extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
580 extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
583 #define string_format(buf, siz, fmt, ...) \
584 string_format_trc(buf, siz, US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
585 extern BOOL string_format_trc(uschar *, int, const uschar *, unsigned,
586 const char *, ...) ALMOST_PRINTF(5,6);
588 #define string_vformat(g, flgs, fmt, ap) \
589 string_vformat_trc(g, US __FUNCTION__, __LINE__, \
590 STRING_SPRINTF_BUFFER_SIZE, flgs, fmt, ap)
591 extern gstring *string_vformat_trc(gstring *, const uschar *, unsigned,
592 unsigned, unsigned, const char *, va_list);
594 #define string_open_failed(fmt, ...) \
595 string_open_failed_trc(US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
596 extern uschar *string_open_failed_trc(const uschar *, unsigned,
597 const char *, ...) PRINTF_FUNCTION(3,4);
599 #define string_nextinlist(lp, sp, b, l) \
600 string_nextinlist_trc((lp), (sp), (b), (l), US __FUNCTION__, __LINE__)
601 extern uschar *string_nextinlist_trc(const uschar **listptr, int *separator, uschar *buffer, int buflen,
602 const uschar * func, int line);
604 extern int strcmpic(const uschar *, const uschar *);
605 extern int strncmpic(const uschar *, const uschar *, int);
606 extern uschar *strstric(uschar *, uschar *, BOOL);
607 extern const uschar *strstric_c(const uschar *, const uschar *, BOOL);
609 extern int test_harness_fudged_queue_time(int);
610 extern void tcp_init(void);
611 #ifdef EXIM_TFO_PROBE
612 extern void tfo_probe(void);
614 extern void tls_modify_variables(tls_support *);
615 extern uschar *tod_stamp(int);
617 extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
619 extern uschar *transport_current_name(void);
620 extern void transport_do_pass_socket(const uschar *, const uschar *,
621 const uschar *, uschar *, int);
622 extern void transport_init(void);
623 extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *, int
624 #ifdef EXPERIMENTAL_ESMTP_LIMITS
625 , unsigned, unsigned, unsigned
628 extern uschar *transport_rcpt_address(address_item *, BOOL);
629 extern BOOL transport_set_up_command(const uschar ***, const uschar *,
630 BOOL, int, address_item *, BOOL, const uschar *, uschar **);
631 extern void transport_update_waiting(host_item *, uschar *);
632 extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
633 extern void transport_write_reset(int);
634 extern BOOL transport_write_string(int, const char *, ...);
635 extern BOOL transport_headers_send(transport_ctx *,
636 BOOL (*)(transport_ctx *, uschar *, int));
637 extern gstring * transport_show_supported(gstring *);
638 extern BOOL transport_write_message(transport_ctx *, int);
639 extern void tree_add_duplicate(const uschar *, address_item *);
640 extern void tree_add_nonrecipient(const uschar *);
641 extern void tree_add_unusable(const host_item *);
642 extern void tree_dup(tree_node **, tree_node *);
643 extern int tree_insertnode(tree_node **, tree_node *);
644 extern tree_node *tree_search(tree_node *, const uschar *);
645 extern void tree_write(tree_node *, FILE *);
646 extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
648 #ifdef WITH_CONTENT_SCAN
649 extern void unspool_mbox(void);
652 extern gstring *utf8_version_report(gstring *);
655 extern int verify_address(address_item *, FILE *, int, int, int, int,
656 uschar *, uschar *, BOOL *);
657 extern int verify_check_dnsbl(int, const uschar **, uschar **);
658 extern int verify_check_header_address(uschar **, uschar **, int, int, int,
659 uschar *, uschar *, int, int *);
660 extern int verify_check_headers(uschar **);
661 extern int verify_check_header_names_ascii(uschar **);
662 extern int verify_check_host(uschar **);
663 extern int verify_check_notblind(BOOL);
664 extern int verify_check_given_host(const uschar **, const host_item *);
665 extern int verify_check_this_host(const uschar **, unsigned int *,
666 const uschar*, const uschar *, const uschar **);
667 extern address_item *verify_checked_sender(uschar *);
668 extern void verify_get_ident(int);
669 extern void verify_quota(uschar *);
670 extern int verify_quota_call(const uschar *, int, int, uschar **);
671 extern BOOL verify_sender(int *, uschar **);
672 extern BOOL verify_sender_preliminary(int *, uschar **);
673 extern void version_init(void);
675 extern BOOL write_chunk(transport_ctx *, uschar *, int);
676 extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
679 /******************************************************************************/
680 /* Predicate: if an address is in a tainted pool.
681 By extension, a variable pointing to this address is tainted.
685 is_tainted(const void * p)
687 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
691 extern BOOL is_tainted_fn(const void *);
692 return is_tainted_fn(p);
697 is_incompatible(const void * old, const void * new)
699 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
703 extern BOOL is_incompatible_fn(const void *, const void *);
704 return is_incompatible_fn(old, new);
708 /******************************************************************************/
709 /* String functions */
710 static inline uschar * __Ustrcat(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"Ustrcat", CUS func, line);
715 return US strcat(CS dst, CCS src);
717 static inline uschar * __Ustrcpy(uschar * dst, const uschar * src, const char * func, int line)
719 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
720 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcpy", CUS func, line);
722 return US strcpy(CS dst, CCS src);
724 static inline uschar * __Ustrncat(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"Ustrncat", CUS func, line);
729 return US strncat(CS dst, CCS src, n);
731 static inline uschar * __Ustrncpy(uschar * dst, const uschar * src, size_t n, const char * func, int line)
733 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
734 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncpy", CUS func, line);
736 return US strncpy(CS dst, CCS src, n);
738 /*XXX will likely need unchecked copy also */
741 /* Advance the string pointer given over any whitespace.
742 Return the next char as there's enought places using it to be useful. */
744 #define Uskip_whitespace(sp) skip_whitespace(CUSS sp)
746 static inline uschar skip_whitespace(const uschar ** sp)
747 { while (isspace(**sp)) (*sp)++; return **sp; }
750 /******************************************************************************/
752 #if !defined(MACRO_PREDEF) && !defined(COMPILE_UTILITY)
753 /* exim_chown - in some NFSv4 setups *seemes* to be an issue with
754 chown(<exim-uid>, <exim-gid>).
756 Probably because the idmapping is broken, misconfigured or set up in
757 an unusal way. (see Bug 2931). As I'm not sure, if this was a single
758 case of misconfiguration, or if there are more such broken systems
759 out, I try to impose as least impact as possible and for now just write
760 a panic log entry pointing to the bug report. You're encouraged to
761 contact the developers, if you experience this issue.
763 fd the file descriptor (or -1 if not valid)
764 name the file name for error messages or for file operations,
769 returns 0 on success, -1 on failure */
772 exim_fchown(int fd, uid_t owner, gid_t group, const uschar *name)
774 return fchown(fd, owner, group)
775 ? exim_chown_failure(fd, name, owner, group) : 0;
779 exim_chown(const uschar *name, uid_t owner, gid_t group)
781 return chown(CCS name, owner, group)
782 ? exim_chown_failure(-1, name, owner, group) : 0;
784 #endif /* !MACRO_PREDEF && !COMPILE_UTILITY */
786 /******************************************************************************/
787 /* String functions */
789 #if !defined(MACRO_PREDEF)
790 /*************************************************
791 * Copy and save string *
792 *************************************************/
794 /* This function assumes that memcpy() is faster than strcpy().
795 The result is explicitly nul-terminated.
798 static inline uschar *
799 string_copyn_taint_trc(const uschar * s, unsigned len,
800 const void * proto_mem, const char * func, int line)
803 unsigned slen = Ustrlen(s);
804 if (len > slen) len = slen;
805 ss = store_get_3(len + 1, proto_mem, func, line);
811 static inline uschar *
812 string_copy_taint_trc(const uschar * s, const void * proto_mem, const char * func, int line)
813 { return string_copyn_taint_trc(s, Ustrlen(s), proto_mem, func, line); }
815 static inline uschar *
816 string_copyn_trc(const uschar * s, unsigned len, const char * func, int line)
817 { return string_copyn_taint_trc(s, len, s, func, line); }
818 static inline uschar *
819 string_copy_trc(const uschar * s, const char * func, int line)
820 { return string_copy_taint_trc(s, s, func, line); }
823 /* String-copy functions explicitly setting the taint status */
825 #define string_copyn_taint(s, len, proto_mem) \
826 string_copyn_taint_trc((s), (len), (proto_mem), __FUNCTION__, __LINE__)
827 #define string_copy_taint(s, proto_mem) \
828 string_copy_taint_trc((s), (proto_mem), __FUNCTION__, __LINE__)
830 /* Simple string-copy functions maintaining the taint */
832 #define string_copyn(s, len) \
833 string_copyn_trc((s), (len), __FUNCTION__, __LINE__)
834 #define string_copy(s) \
835 string_copy_trc((s), __FUNCTION__, __LINE__)
838 /*************************************************
839 * Copy, lowercase and save string *
840 *************************************************/
843 Argument: string to copy
844 Returns: copy of string in new store, with letters lowercased
847 static inline uschar *
848 string_copylc(const uschar * s)
850 uschar * ss = store_get(Ustrlen(s) + 1, s);
852 while (*s) *p++ = tolower(*s++);
859 /*************************************************
860 * Copy, lowercase, and save string, given length *
861 *************************************************/
863 /* It is assumed the data contains no zeros. A zero is added
868 n number of characters
870 Returns: copy of string in new store, with letters lowercased
873 static inline uschar *
874 string_copynlc(uschar * s, int n)
876 uschar * ss = store_get(n + 1, s);
878 while (n-- > 0) *p++ = tolower(*s++);
884 # ifndef COMPILE_UTILITY
885 /*************************************************
886 * Copy and save string in longterm store *
887 *************************************************/
889 /* This function assumes that memcpy() is faster than strcpy().
891 Argument: string to copy
892 Returns: copy of string in new store
895 static inline uschar *
896 string_copy_perm(const uschar *s, BOOL force_taint)
898 int old_pool = store_pool;
899 int len = Ustrlen(s) + 1;
902 store_pool = POOL_PERM;
903 ss = store_get(len, force_taint ? GET_TAINTED : s);
905 store_pool = old_pool;
912 /* sprintf into a buffer, taint-unchecked */
915 string_format_nt(uschar * buf, int siz, const char * fmt, ...)
917 gstring gs = { .size = siz, .ptr = 0, .s = buf };
920 (void) string_vformat(&gs, SVFMT_TAINT_NOCHK, fmt, ap);
926 /******************************************************************************/
927 /* Growable-string functions */
929 /* Create a growable-string with some preassigned space */
931 #define string_get_tainted(size, proto_mem) \
932 string_get_tainted_trc((size), (proto_mem), __FUNCTION__, __LINE__)
934 static inline gstring *
935 string_get_tainted_trc(unsigned size, const void * proto_mem, const char * func, unsigned line)
937 gstring * g = store_get_3(sizeof(gstring) + size, proto_mem, func, line);
938 g->size = size; /*XXX would be good if we could see the actual alloc size */
944 #define string_get(size) \
945 string_get_trc((size), __FUNCTION__, __LINE__)
947 static inline gstring *
948 string_get_trc(unsigned size, const char * func, unsigned line)
950 return string_get_tainted_trc(size, GET_UNTAINTED, func, line);
953 /* NUL-terminate the C string in the growable-string, and return it. */
955 static inline uschar *
956 string_from_gstring(gstring * g)
963 static inline unsigned
964 gstring_length(const gstring * g)
966 return g ? (unsigned)g->ptr : 0;
970 #define gstring_release_unused(g) \
971 gstring_release_unused_trc(g, __FUNCTION__, __LINE__)
974 gstring_release_unused_trc(gstring * g, const char * file, unsigned line)
976 if (g) store_release_above_3(g->s + (g->size = g->ptr + 1), file, line);
980 /* sprintf-append to a growable-string */
982 #define string_fmt_append(g, fmt, ...) \
983 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
984 SVFMT_EXTEND|SVFMT_REBUFFER, fmt, __VA_ARGS__)
986 #define string_fmt_append_f(g, flgs, fmt, ...) \
987 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
988 flgs, fmt, __VA_ARGS__)
990 static inline gstring *
991 string_fmt_append_f_trc(gstring * g, const uschar * func, unsigned line,
992 unsigned flags, const char *format, ...)
995 va_start(ap, format);
996 g = string_vformat_trc(g, func, line, STRING_SPRINTF_BUFFER_SIZE,
1003 /* Copy the content of a string to tainted memory. The proto_mem arg
1004 will always be tainted, and suitable as a prototype. */
1007 gstring_rebuffer(gstring * g, const void * proto_mem)
1009 uschar * s = store_get_3(g->size, proto_mem, __FUNCTION__, __LINE__);
1010 memcpy(s, g->s, g->ptr);
1015 # ifndef COMPILE_UTILITY
1016 /******************************************************************************/
1017 /* Use store_malloc for DNSA structs, and explicit frees. Using the same pool
1018 for them as the strings we proceed to copy from them meant they could not be
1019 released, hence blowing 64k for every DNS lookup. That mounted up. With malloc
1020 we do have to take care over marking tainted all copied strings. A separate pool
1021 could be used and would handle that implicitly. */
1023 #define store_get_dns_answer() store_get_dns_answer_trc(CUS __FUNCTION__, __LINE__)
1025 static inline dns_answer *
1026 store_get_dns_answer_trc(const uschar * func, unsigned line)
1028 return store_malloc_3(sizeof(dns_answer), CCS func, line);
1031 #define store_free_dns_answer(dnsa) store_free_dns_answer_trc(dnsa, CUS __FUNCTION__, __LINE__)
1034 store_free_dns_answer_trc(dns_answer * dnsa, const uschar * func, unsigned line)
1036 store_free_3(dnsa, CCS func, line);
1039 /******************************************************************************/
1040 /* Routines with knowledge of spool layout */
1043 spool_pname_buf(uschar * buf, int len)
1045 snprintf(CS buf, len, "%s/%s/input", spool_directory, queue_name);
1048 static inline uschar *
1049 spool_dname(const uschar * purpose, uschar * subdir)
1051 return string_sprintf("%s/%s/%s/%s",
1052 spool_directory, queue_name, purpose, subdir);
1056 static inline uschar *
1057 spool_q_sname(const uschar * purpose, const uschar * q, uschar * subdir)
1059 return string_sprintf("%s%s%s%s%s",
1062 *subdir ? "/" : "", subdir);
1065 static inline uschar *
1066 spool_sname(const uschar * purpose, uschar * subdir)
1068 return spool_q_sname(purpose, queue_name, subdir);
1071 static inline uschar *
1072 spool_q_fname(const uschar * purpose, const uschar * q,
1073 const uschar * subdir, const uschar * fname, const uschar * suffix)
1075 return string_sprintf("%s/%s/%s/%s/%s%s",
1076 spool_directory, q, purpose, subdir, fname, suffix);
1079 static inline uschar *
1080 spool_fname(const uschar * purpose, const uschar * subdir, const uschar * fname,
1081 const uschar * suffix)
1083 #ifdef COMPILE_UTILITY /* version avoiding string-extension */
1084 int len = Ustrlen(spool_directory) + 1 + Ustrlen(queue_name) + 1 + Ustrlen(purpose) + 1
1085 + Ustrlen(subdir) + 1 + Ustrlen(fname) + Ustrlen(suffix) + 1;
1086 uschar * buf = store_get(len, GET_UNTAINTED);
1087 string_format(buf, len, "%s/%s/%s/%s/%s%s",
1088 spool_directory, queue_name, purpose, subdir, fname, suffix);
1091 return spool_q_fname(purpose, queue_name, subdir, fname, suffix);
1096 set_subdir_str(uschar * subdir_str, const uschar * name,
1097 int search_sequence)
1099 subdir_str[0] = split_spool_directory == (search_sequence == 0)
1101 subdir_str[1] = '\0';
1104 /******************************************************************************/
1105 /* Time calculations */
1107 /* Diff two times (later, earlier) returning diff in 1st arg */
1109 timediff(struct timeval * later, const struct timeval * earlier)
1111 later->tv_sec -= earlier->tv_sec;
1112 if ((later->tv_usec -= earlier->tv_usec) < 0)
1115 later->tv_usec += 1000*1000;
1120 timesince(struct timeval * diff, const struct timeval * then)
1122 gettimeofday(diff, NULL);
1123 timediff(diff, then);
1126 static inline uschar *
1127 string_timediff(const struct timeval * diff)
1129 static uschar buf[sizeof("0.000s")];
1131 if (diff->tv_sec >= 5 || !LOGGING(millisec))
1132 return readconf_printtime((int)diff->tv_sec);
1134 snprintf(CS buf, sizeof(buf), "%u.%03us", (uint)diff->tv_sec, (uint)diff->tv_usec/1000);
1139 static inline uschar *
1140 string_timesince(const struct timeval * then)
1142 struct timeval diff;
1143 timesince(&diff, then);
1144 return string_timediff(&diff);
1148 report_time_since(const struct timeval * t0, const uschar * where)
1150 # ifdef MEASURE_TIMING
1151 struct timeval diff;
1152 timesince(&diff, t0);
1153 fprintf(stderr, "%d %s:\t%ld.%06ld\n",
1154 (uint)getpid(), where, (long)diff.tv_sec, (long)diff.tv_usec);
1160 testharness_pause_ms(int millisec)
1162 #ifndef MEASURE_TIMING
1163 if (f.running_in_test_harness && f.testsuite_delays) millisleep(millisec);
1167 /******************************************************************************/
1168 /* Taint-checked file opens */
1171 exim_open2(const char *pathname, int flags)
1173 if (!is_tainted(pathname)) return open(pathname, flags);
1174 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1179 exim_open(const char *pathname, int flags, mode_t mode)
1181 if (!is_tainted(pathname)) return open(pathname, flags, mode);
1182 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1186 #ifdef EXIM_HAVE_OPENAT
1188 exim_openat(int dirfd, const char *pathname, int flags)
1190 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags);
1191 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1196 exim_openat4(int dirfd, const char *pathname, int flags, mode_t mode)
1198 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags, mode);
1199 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1205 static inline FILE *
1206 exim_fopen(const char *pathname, const char *mode)
1208 if (!is_tainted(pathname)) return fopen(pathname, mode);
1209 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1215 exim_opendir(const uschar * name)
1217 if (!is_tainted(name)) return opendir(CCS name);
1218 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted dirname '%s'", name);
1223 /******************************************************************************/
1224 # if !defined(COMPILE_UTILITY)
1225 /* Process manipulation */
1228 exim_fork(const unsigned char * purpose)
1231 DEBUG(D_any) debug_printf("%s forking for %s\n", process_purpose, purpose);
1232 if ((pid = fork()) == 0)
1234 f.daemon_listen = FALSE;
1235 process_purpose = purpose;
1236 DEBUG(D_any) debug_printf("postfork: %s\n", purpose);
1240 testharness_pause_ms(100); /* let child work */
1241 DEBUG(D_any) debug_printf("%s forked for %s: %d\n", process_purpose, purpose, (int)pid);
1248 child_open_exim(int * fdptr, const uschar * purpose)
1249 { return child_open_exim_function(fdptr, purpose); }
1252 child_open_exim2(int * fdptr, uschar * sender,
1253 uschar * sender_auth, const uschar * purpose)
1254 { return child_open_exim2_function(fdptr, sender, sender_auth, purpose); }
1257 child_open(uschar **argv, uschar **envp, int newumask, int *infdptr,
1258 int *outfdptr, BOOL make_leader, const uschar * purpose)
1259 { return child_open_function(argv, envp, newumask, infdptr,
1260 outfdptr, make_leader, purpose);
1263 /* Return 1 if fd is usable per pollbits, else 0 */
1265 poll_one_fd(int fd, short pollbits, int tmo_millisec)
1267 struct pollfd p = {.fd = fd, .events = pollbits};
1268 return poll(&p, 1, tmo_millisec);
1271 /******************************************************************************/
1272 /* Client-side smtp log string, for debug */
1275 smtp_debug_cmd(const uschar * buf, int mode)
1277 HDEBUG(D_transport|D_acl|D_v) debug_printf_indent(" SMTP%c> %s\n",
1278 mode == SCMD_BUFFER ? '|' : mode == SCMD_MORE ? '+' : '>', buf);
1280 # ifndef DISABLE_CLIENT_CMD_LOG
1282 int len = Ustrcspn(buf, " \n");
1283 int old_pool = store_pool;
1284 store_pool = POOL_PERM; /* Main pool ACL allocations eg. callouts get released */
1285 client_cmd_log = string_append_listele_n(client_cmd_log, ':', buf, MIN(len, 8));
1286 if (mode == SCMD_BUFFER)
1288 client_cmd_log = string_catn(client_cmd_log, US"|", 1);
1289 (void) string_from_gstring(client_cmd_log);
1291 store_pool = old_pool;
1298 smtp_debug_cmd_report(void)
1300 # ifndef DISABLE_CLIENT_CMD_LOG
1301 debug_printf("cmdlog: '%s'\n", client_cmd_log ? client_cmd_log->s : US"(unset)");
1307 # endif /* !COMPILE_UTILITY */
1309 /******************************************************************************/
1310 #endif /* !MACRO_PREDEF */
1312 #endif /* _FUNCTIONS_H_ */
1316 /* End of functions.h */