1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) The Exim Maintainers 2020 - 2022 */
6 /* Copyright (c) University of Cambridge 1995 - 2018 */
7 /* See the file NOTICE for conditions of use and distribution. */
10 /* Prototypes for functions that appear in various modules. Gathered together
11 to avoid having a lot of tiddly little headers with only a couple of lines in
12 them. However, some functions that are used (or not used) by utility programs
13 are in in fact in separate headers. */
22 extern gstring *call_perl_cat(gstring *, uschar **, uschar *,
23 uschar **) WARN_UNUSED_RESULT;
24 extern void cleanup_perl(void);
25 extern uschar *init_perl(uschar *);
31 std_dh_prime_default(void);
33 std_dh_prime_named(const uschar *);
35 extern uschar * tls_cert_crl_uri(void *, uschar * mod);
36 extern uschar * tls_cert_ext_by_oid(void *, uschar *, int);
37 extern uschar * tls_cert_issuer(void *, uschar * mod);
38 extern uschar * tls_cert_not_before(void *, uschar * mod);
39 extern uschar * tls_cert_not_after(void *, uschar * mod);
40 extern uschar * tls_cert_ocsp_uri(void *, uschar * mod);
41 extern uschar * tls_cert_serial_number(void *, uschar * mod);
42 extern uschar * tls_cert_signature(void *, uschar * mod);
43 extern uschar * tls_cert_signature_algorithm(void *, uschar * mod);
44 extern uschar * tls_cert_subject(void *, uschar * mod);
45 extern uschar * tls_cert_subject_altname(void *, uschar * mod);
46 extern uschar * tls_cert_version(void *, uschar * mod);
48 extern uschar * tls_cert_der_b64(void * cert);
49 extern uschar * tls_cert_fprt_md5(void *);
50 extern uschar * tls_cert_fprt_sha1(void *);
51 extern uschar * tls_cert_fprt_sha256(void *);
53 extern void tls_clean_env(void);
54 extern BOOL tls_client_start(client_conn_ctx *, smtp_connect_args *,
55 void *, tls_support *, uschar **);
56 extern void tls_client_creds_reload(BOOL);
58 extern void tls_close(void *, int);
59 extern BOOL tls_could_getc(void);
60 extern void tls_daemon_init(void);
61 extern int tls_daemon_tick(void);
62 extern BOOL tls_dropprivs_validate_require_cipher(BOOL);
63 extern BOOL tls_export_cert(uschar *, size_t, void *);
64 extern int tls_feof(void);
65 extern int tls_ferror(void);
66 extern uschar *tls_field_from_dn(uschar *, const uschar *);
67 extern void tls_free_cert(void **);
68 extern int tls_getc(unsigned);
69 extern uschar *tls_getbuf(unsigned *);
70 extern void tls_get_cache(unsigned);
71 extern BOOL tls_hasc(void);
72 extern BOOL tls_import_cert(const uschar *, void **);
73 extern BOOL tls_is_name_for_cert(const uschar *, void *);
75 extern BOOL tls_openssl_options_parse(uschar *, long *);
77 extern int tls_read(void *, uschar *, size_t);
78 extern int tls_server_start(uschar **);
79 extern void tls_shutdown_wr(void *);
80 extern BOOL tls_smtp_buffered(void);
81 extern int tls_ungetc(int);
82 #if defined(EXIM_HAVE_INOTIFY) || defined(EXIM_HAVE_KEVENT)
83 extern void tls_watch_discard_event(int);
84 extern void tls_watch_invalidate(void);
86 extern int tls_write(void *, const uschar *, size_t, BOOL);
87 extern uschar *tls_validate_require_cipher(void);
88 extern gstring *tls_version_report(gstring *);
91 extern int tlsa_lookup(const host_item *, dns_answer *, BOOL);
94 #endif /*DISABLE_TLS*/
97 /* Everything else... */
99 extern acl_block *acl_read(uschar *(*)(void), uschar **);
100 extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
101 extern uschar *acl_current_verb(void);
102 extern int acl_eval(int, uschar *, uschar **, uschar **);
104 extern tree_node *acl_var_create(uschar *);
105 extern void acl_var_write(uschar *, uschar *, void *);
107 #ifdef EXPERIMENTAL_ARC
108 extern void *arc_ams_setup_sign_bodyhash(void);
109 extern const uschar *arc_header_feed(gstring *, BOOL);
110 extern gstring *arc_sign(const uschar *, gstring *, uschar **);
111 extern void arc_sign_init(void);
112 extern const uschar *acl_verify_arc(void);
113 extern uschar * fn_arc_domains(void);
116 extern void assert_no_variables(void *, int, const char *, int);
117 extern int auth_call_pam(const uschar *, uschar **);
118 extern int auth_call_pwcheck(uschar *, uschar **);
119 extern int auth_call_radius(const uschar *, uschar **);
120 extern int auth_call_saslauthd(const uschar *, const uschar *,
121 const uschar *, const uschar *, uschar **);
122 extern int auth_check_serv_cond(auth_instance *);
123 extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
124 extern int auth_client_item(void *, auth_instance *, const uschar **,
125 unsigned, int, uschar *, int);
128 extern int auth_get_data(uschar **, const uschar *, int);
129 extern int auth_get_no64_data(uschar **, uschar *);
130 extern int auth_prompt(const uschar *);
131 extern int auth_read_input(const uschar *);
132 extern gstring * auth_show_supported(gstring *);
133 extern uschar *auth_xtextencode(uschar *, int);
134 extern int auth_xtextdecode(uschar *, uschar **);
135 extern uschar *authenticator_current_name(void);
137 #ifdef EXPERIMENTAL_ARC
138 extern gstring *authres_arc(gstring *);
141 extern gstring *authres_dkim(gstring *);
144 extern gstring *authres_dmarc(gstring *);
146 extern gstring *authres_smtpauth(gstring *);
148 extern gstring *authres_spf(gstring *);
151 extern uschar *b64encode(const uschar *, int);
152 extern uschar *b64encode_taint(const uschar *, int, const void *);
153 extern int b64decode(const uschar *, uschar **);
154 extern int bdat_getc(unsigned);
155 extern uschar *bdat_getbuf(unsigned *);
156 extern BOOL bdat_hasc(void);
157 extern int bdat_ungetc(int);
158 extern void bdat_flush_data(void);
160 extern void bits_clear(unsigned int *, size_t, int *);
161 extern void bits_set(unsigned int *, size_t, int *);
163 extern void cancel_cutthrough_connection(BOOL, const uschar *);
164 extern gstring *cat_file(FILE *, gstring *, uschar *);
165 extern gstring *cat_file_tls(void *, gstring *, uschar *);
166 extern int check_host(void *, const uschar *, const uschar **, uschar **);
167 extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
168 extern pid_t child_open_exim_function(int *, const uschar *);
169 extern pid_t child_open_exim2_function(int *, uschar *, uschar *,
171 extern pid_t child_open_function(uschar **, uschar **, int,
172 int *, int *, BOOL, const uschar *);
173 extern pid_t child_open_uid(const uschar **, const uschar **, int,
174 uid_t *, gid_t *, int *, int *, uschar *, BOOL, const uschar *);
175 extern BOOL cleanup_environment(void);
176 extern void cutthrough_data_puts(uschar *, int);
177 extern void cutthrough_data_put_nl(void);
178 extern uschar *cutthrough_finaldot(void);
179 extern BOOL cutthrough_flush_send(void);
180 extern BOOL cutthrough_headers_send(void);
181 extern BOOL cutthrough_predata(void);
182 extern void release_cutthrough_connection(const uschar *);
184 extern void daemon_go(void);
185 #ifndef COMPILE_UTILITY
186 extern ssize_t daemon_client_sockname(struct sockaddr_un *, uschar **);
187 extern ssize_t daemon_notifier_sockname(struct sockaddr_un *);
190 #ifdef EXPERIMENTAL_DCC
191 extern int dcc_process(uschar **);
194 extern void debug_logging_activate(const uschar *, const uschar *);
195 extern void debug_logging_from_spool(const uschar *);
196 extern void debug_logging_stop(BOOL);
197 extern void debug_print_argv(const uschar **);
198 extern void debug_print_ids(uschar *);
199 extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
200 extern void debug_print_string(uschar *);
201 extern void debug_print_tree(const char *, tree_node *);
202 extern void debug_vprintf(int, const char *, va_list);
203 extern void debug_pretrigger_setup(const uschar *);
204 extern void debug_pretrigger_discard(void);
205 extern void debug_print_socket(int);
206 extern void debug_trigger_fire(void);
208 extern void decode_bits(unsigned int *, size_t, int *,
209 const uschar *, bit_table *, int, uschar *, int);
210 extern void delete_pid_file(void);
211 extern void deliver_local(address_item *, BOOL);
212 extern address_item *deliver_make_addr(uschar *, BOOL);
213 extern void delivery_log(int, address_item *, int, uschar *);
214 extern int deliver_message(uschar *, BOOL, BOOL);
215 extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
216 extern void deliver_set_expansions(address_item *);
217 extern int deliver_split_address(address_item *);
218 extern void deliver_succeeded(address_item *);
220 extern void delivery_re_exec(int);
222 extern void die_tainted(const uschar *, const uschar *, int);
223 extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
225 extern uschar *dkim_exim_query_dns_txt(const uschar *);
226 extern void dkim_exim_sign_init(void);
228 extern BOOL dkim_transport_write_message(transport_ctx *,
229 struct ob_dkim *, const uschar ** errstr);
231 extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
232 extern int dns_basic_lookup(dns_answer *, const uschar *, int);
233 extern uschar *dns_build_reverse(const uschar *);
234 extern time_t dns_expire_from_soa(dns_answer *, int);
235 extern void dns_init(BOOL, BOOL, BOOL);
236 extern BOOL dns_is_aa(const dns_answer *);
237 extern BOOL dns_is_secure(const dns_answer *);
238 extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
239 extern void dns_pattern_init(void);
240 extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
241 extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
242 extern uschar *dns_text_type(int);
243 extern void dscp_list_to_stream(FILE *);
244 extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
246 extern void enq_end(uschar *);
247 extern BOOL enq_start(uschar *, unsigned);
248 #ifndef DISABLE_EVENT
249 extern uschar *event_raise(uschar *, const uschar *, uschar *, int *);
250 extern void msg_event_raise(const uschar *, const address_item *);
253 extern int exim_chown_failure(int, const uschar*, uid_t, gid_t);
254 extern const uschar * exim_errstr(int);
255 extern void exim_exit(int) NORETURN;
256 extern void exim_gettime(struct timeval *);
257 extern void exim_nullstd(void);
258 extern void exim_setugid(uid_t, gid_t, BOOL, const uschar *);
259 extern void exim_underbar_exit(int) NORETURN;
260 extern void exim_wait_tick(struct timeval *, int);
261 extern int exp_bool(address_item *addr,
262 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
263 uschar *svalue, BOOL *rvalue);
264 extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
265 extern uschar *expand_file_big_buffer(const uschar *);
266 extern uschar *expand_string(uschar *); /* public, cannot make const */
267 extern const uschar *expand_string_2(const uschar *, BOOL *);
268 extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
269 extern uschar *expand_getkeyed(const uschar *, const uschar *);
271 extern uschar *expand_hide_passwords(uschar * );
272 extern uschar *expand_string_copy(const uschar *);
273 extern int_eximarith_t expand_string_integer(uschar *, BOOL);
274 extern void modify_variable(uschar *, void *);
276 extern BOOL fd_ready(int, time_t);
278 extern int filter_interpret(const uschar *, int, address_item **, uschar **);
279 extern BOOL filter_personal(string_item *, BOOL);
280 extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
281 extern BOOL filter_system_interpret(address_item **, uschar **);
283 extern uschar * fn_hdrs_added(void);
284 extern void force_fd(int, int);
286 extern void header_add(int, const char *, ...);
287 extern header_line *header_add_at_position_internal(BOOL, uschar *, BOOL, int, const char *, ...);
288 extern int header_checkname(header_line *, BOOL);
289 extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
290 extern int host_address_extract_port(uschar *);
291 extern uschar *host_and_ident(BOOL);
292 extern int host_aton(const uschar *, int *);
293 extern void host_build_hostlist(host_item **, const uschar *, BOOL);
294 extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
295 extern void host_build_log_info(void);
296 extern void host_build_sender_fullhost(void);
297 extern int host_find_byname(host_item *, const uschar *, int,
298 const uschar **, BOOL);
299 extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
300 uschar *, const dnssec_domains *, const uschar **, BOOL *);
301 extern ip_address_item *host_find_interfaces(void);
302 extern BOOL host_is_in_net(const uschar *, const uschar *, int);
303 extern BOOL host_is_tls_on_connect_port(int);
304 extern int host_item_get_port(host_item *);
305 extern void host_mask(int, int *, int);
306 extern int host_name_lookup(void);
307 extern int host_nmtoa(int, int *, int, uschar *, int);
308 extern uschar *host_ntoa(int, const void *, uschar *, int *);
309 extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
311 extern uschar *imap_utf7_encode(uschar *, const uschar *,
312 uschar, uschar *, uschar **);
314 extern void invert_address(uschar *, uschar *);
315 extern int ip_addr(void *, int, const uschar *, int);
316 extern int ip_bind(int, int, uschar *, int);
317 extern int ip_connect(int, int, const uschar *, int, int, const blob *);
318 extern int ip_connectedsocket(int, const uschar *, int, int,
319 int, host_item *, uschar **, const blob *);
320 extern int ip_get_address_family(int);
321 extern void ip_keepalive(int, const uschar *, BOOL);
322 extern int ip_recv(client_conn_ctx *, uschar *, int, time_t);
323 extern int ip_socket(int, int);
325 extern int ip_tcpsocket(const uschar *, uschar **, int, host_item *);
326 extern int ip_unixsocket(const uschar *, uschar **);
327 extern int ip_streamsocket(const uschar *, uschar **, int, host_item *);
329 extern int ipv6_nmtoa(int *, uschar *);
331 extern uschar *local_part_quote(uschar *);
332 extern int log_open_as_exim(const uschar * const);
333 extern void log_close_all(void);
335 extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
336 extern BOOL macro_read_assignment(uschar *);
337 extern uschar *macros_expand(int, int *, BOOL *);
338 extern void mainlog_close(void);
339 #ifdef WITH_CONTENT_SCAN
340 extern int malware(const uschar *, BOOL, int);
341 extern int malware_in_file(uschar *);
342 extern void malware_init(void);
343 extern gstring * malware_show_supported(gstring *);
345 extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
346 unsigned int *, int, int, const uschar **);
347 extern int match_address_list_basic(const uschar *, const uschar **, int);
348 extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
349 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
350 const uschar *, const uschar **);
351 extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
352 unsigned int *, int, BOOL, const uschar **);
353 extern int match_check_string(const uschar *, const uschar *, int, mcs_flags,
356 extern void message_start(void);
357 extern void message_tidyup(void);
358 extern void md5_end(md5 *, const uschar *, int, uschar *);
359 extern void md5_mid(md5 *, const uschar *);
360 extern void md5_start(md5 *);
361 extern void millisleep(int);
362 #ifdef WITH_CONTENT_SCAN
363 struct mime_boundary_context;
364 extern int mime_acl_check(uschar *acl, FILE *f,
365 struct mime_boundary_context *, uschar **, uschar **);
366 extern int mime_decode(const uschar **);
367 extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
368 extern int mime_regex(const uschar **, BOOL);
369 extern void mime_set_anomaly(int);
371 extern uschar *moan_check_errorcopy(uschar *);
372 extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
374 extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
375 extern BOOL moan_send_message(uschar *, int, error_block *eblock,
376 header_line *, FILE *, uschar *);
377 extern void moan_tell_someone(uschar *, address_item *,
378 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
379 extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
380 extern void moan_write_from(FILE *);
381 extern void moan_write_references(FILE *, uschar *);
382 extern FILE *modefopen(const uschar *, const char *, mode_t);
384 extern int open_cutthrough_connection( address_item * addr );
386 extern uschar *parse_extract_address(const uschar *, uschar **, int *, int *, int *,
388 extern int parse_forward_list(const uschar *, int, address_item **, uschar **,
389 const uschar *, const uschar *, error_block **);
390 extern uschar *parse_find_address_end(const uschar *, BOOL);
391 extern const uschar *parse_find_at(const uschar *);
392 extern const uschar *parse_fix_phrase(const uschar *, int);
393 extern const uschar *parse_message_id(const uschar *, uschar **, uschar **);
394 extern const uschar *parse_quote_2047(const uschar *, int, const uschar *,
396 extern const uschar *parse_date_time(const uschar *str, time_t *t);
397 extern void priv_drop_temp(const uid_t, const gid_t);
398 extern void priv_restore(void);
399 extern int vaguely_random_number(int);
401 extern int vaguely_random_number_fallback(int);
404 extern BOOL queue_action(uschar *, int, uschar **, int, int);
405 extern void queue_check_only(void);
406 extern unsigned queue_count(void);
407 extern unsigned queue_count_cached(void);
408 extern void queue_list(int, uschar **, int);
409 #ifndef DISABLE_QUEUE_RAMP
410 extern void queue_notify_daemon(const uschar * hostname);
412 extern void queue_run(uschar *, uschar *, BOOL);
414 extern int random_number(int);
415 extern const uschar *rc_to_string(int);
416 extern int rda_interpret(redirect_block *, int, const uschar *, const uschar *,
417 const uschar *, const uschar *, const uschar *, const ugid_block *, address_item **,
418 uschar **, error_block **, int *, const uschar *);
419 extern int rda_is_filter(const uschar *);
420 extern BOOL readconf_depends(driver_instance *, uschar *);
421 extern void readconf_driver_init(uschar *, driver_instance **,
422 driver_info *, int, void *, int, optionlist *, int);
423 extern uschar *readconf_find_option(void *);
424 extern void readconf_main(BOOL);
425 extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
426 extern BOOL readconf_print(const uschar *, uschar *, BOOL);
427 extern uschar *readconf_printtime(int);
428 extern uschar *readconf_readname(uschar *, int, uschar *);
429 extern int readconf_readtime(const uschar *, int, BOOL);
430 extern void readconf_rest(void);
431 extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
432 extern void readconf_save_config(const uschar *);
433 extern void read_message_body(BOOL);
434 extern void receive_bomb_out(uschar *, uschar *) NORETURN;
435 extern BOOL receive_check_fs(int);
436 extern BOOL receive_check_set_sender(uschar *);
437 extern BOOL receive_msg(BOOL);
438 extern int_eximarith_t receive_statvfs(BOOL, int *);
439 extern void receive_swallow_smtp(void);
440 #ifdef WITH_CONTENT_SCAN
441 extern int regex(const uschar **, BOOL);
443 extern void regex_at_daemon(const uschar *);
444 extern BOOL regex_match(const pcre2_code *, const uschar *, int, uschar **);
445 extern BOOL regex_match_and_setup(const pcre2_code *, const uschar *, int, int);
446 extern const pcre2_code *regex_compile(const uschar *, mcs_flags, uschar **,
447 pcre2_compile_context *);
448 extern const pcre2_code *regex_must_compile(const uschar *, mcs_flags, BOOL);
449 extern void retry_add_item(address_item *, uschar *, int);
450 extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
451 uschar **, uschar **);
452 extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
453 extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
454 dbdata_retry *, time_t);
455 extern void retry_update(address_item **, address_item **, address_item **);
456 extern const uschar *rewrite_address(const uschar *, BOOL, BOOL, rewrite_rule *, int);
457 extern const uschar *rewrite_address_qualify(const uschar *, BOOL);
458 extern header_line *rewrite_header(header_line *,
459 const uschar *, const uschar *,
460 rewrite_rule *, int, BOOL);
461 extern const uschar *rewrite_one(const uschar *, int, BOOL *, BOOL, uschar *,
463 extern void rewrite_test(const uschar *);
464 extern uschar *rfc2047_decode2(uschar *, BOOL, const uschar *, int, int *,
466 extern int route_address(address_item *, address_item **, address_item **,
467 address_item **, address_item **, int);
468 extern int route_check_prefix(const uschar *, const uschar *, unsigned *);
469 extern int route_check_suffix(const uschar *, const uschar *, unsigned *);
470 extern BOOL route_findgroup(uschar *, gid_t *);
471 extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
472 extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
474 extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
475 struct passwd **, uid_t *, uschar **);
476 extern void route_init(void);
477 extern gstring * route_show_supported(gstring *);
478 extern void route_tidyup(void);
479 extern uschar *router_current_name(void);
481 extern uschar *search_args(int, uschar *, uschar *, uschar **, const uschar *);
482 extern uschar *search_find(void *, const uschar *, uschar *, int,
483 const uschar *, int, int, int *, const uschar *);
484 extern int search_findtype(const uschar *, int);
485 extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
486 int *, const uschar **);
487 extern void *search_open(const uschar *, int, int, uid_t *, gid_t *);
488 extern void search_tidyup(void);
489 extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
490 extern void sha1_end(hctx *, const uschar *, int, uschar *);
491 extern void sha1_mid(hctx *, const uschar *);
492 extern void sha1_start(hctx *);
493 extern int sieve_interpret(const uschar *, int, const uschar *,
494 const uschar *, const uschar *, const uschar *,
495 address_item **, uschar **);
496 extern void sigalrm_handler(int);
497 extern int smtp_boundsock(smtp_connect_args *);
498 extern void smtp_closedown(uschar *);
499 extern void smtp_command_timeout_exit(void) NORETURN;
500 extern void smtp_command_sigterm_exit(void) NORETURN;
501 extern void smtp_data_timeout_exit(void) NORETURN;
502 extern void smtp_data_sigint_exit(void) NORETURN;
503 extern void smtp_deliver_init(void);
504 extern uschar *smtp_cmd_hist(void);
505 extern int smtp_connect(smtp_connect_args *, const blob *);
506 extern int smtp_feof(void);
507 extern int smtp_ferror(void);
508 extern uschar *smtp_get_connection_info(void);
509 extern BOOL smtp_get_interface(uschar *, int, address_item *,
510 uschar **, uschar *);
511 extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
512 extern int smtp_getc(unsigned);
513 extern uschar *smtp_getbuf(unsigned *);
514 extern void smtp_get_cache(unsigned);
515 extern BOOL smtp_hasc(void);
516 extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
517 extern void smtp_log_no_mail(void);
518 extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
519 extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int, const uschar *) NORETURN;
520 extern BOOL smtp_read_response(void *, uschar *, int, int, int);
521 extern void *smtp_reset(void *);
522 extern void smtp_respond(uschar *, int, BOOL, uschar *);
523 extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
524 extern void smtp_port_for_connect(host_item *, int);
525 extern void smtp_send_prohibition_message(int, uschar *);
526 extern int smtp_setup_msg(void);
527 extern int smtp_sock_connect(smtp_connect_args *, int, const blob *);
528 extern BOOL smtp_start_session(void);
529 extern int smtp_ungetc(int);
530 extern BOOL smtp_verify_helo(void);
531 extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4);
532 #ifdef WITH_CONTENT_SCAN
533 extern int spam(const uschar **);
534 extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
536 extern void spool_clear_header_globals(void);
537 extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
538 extern int spool_open_datafile(uschar *);
539 extern int spool_open_temp(uschar *);
540 extern int spool_read_header(uschar *, BOOL, BOOL);
541 extern uschar *spool_sender_from_msgid(const uschar *);
542 extern int spool_write_header(uschar *, int, uschar **);
543 extern int stdin_getc(unsigned);
544 extern int stdin_feof(void);
545 extern int stdin_ferror(void);
546 extern BOOL stdin_hasc(void);
547 extern int stdin_ungetc(int);
549 extern void store_exit(void);
550 extern void store_init(void);
551 extern void store_writeprotect(int);
553 extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
554 extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
555 extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
556 extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT;
557 extern uschar *string_base62(unsigned long int);
558 extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
559 extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
560 extern int string_compare_by_pointer(const void *, const void *);
561 extern uschar *string_copy_dnsdomain(uschar *);
562 extern uschar *string_copy_malloc(const uschar *);
563 extern uschar *string_dequote(const uschar **);
564 extern uschar *string_format_size(int, uschar *);
565 extern int string_interpret_escape(const uschar **);
566 extern int string_is_ip_address(const uschar *, int *);
568 extern BOOL string_is_utf8(const uschar *);
570 extern const uschar *string_printing2(const uschar *, int);
571 extern uschar *string_split_message(uschar *);
572 extern uschar *string_unprinting(uschar *);
574 extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
575 extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
576 extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
577 extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
578 extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
581 #define string_format(buf, siz, fmt, ...) \
582 string_format_trc(buf, siz, US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
583 extern BOOL string_format_trc(uschar *, int, const uschar *, unsigned,
584 const char *, ...) ALMOST_PRINTF(5,6);
586 #define string_vformat(g, flgs, fmt, ap) \
587 string_vformat_trc(g, US __FUNCTION__, __LINE__, \
588 STRING_SPRINTF_BUFFER_SIZE, flgs, fmt, ap)
589 extern gstring *string_vformat_trc(gstring *, const uschar *, unsigned,
590 unsigned, unsigned, const char *, va_list);
592 #define string_open_failed(fmt, ...) \
593 string_open_failed_trc(US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
594 extern uschar *string_open_failed_trc(const uschar *, unsigned,
595 const char *, ...) PRINTF_FUNCTION(3,4);
597 #define string_nextinlist(lp, sp, b, l) \
598 string_nextinlist_trc((lp), (sp), (b), (l), US __FUNCTION__, __LINE__)
599 extern uschar *string_nextinlist_trc(const uschar **listptr, int *separator, uschar *buffer, int buflen,
600 const uschar * func, int line);
602 extern int strcmpic(const uschar *, const uschar *);
603 extern int strncmpic(const uschar *, const uschar *, int);
604 extern uschar *strstric(uschar *, uschar *, BOOL);
605 extern const uschar *strstric_c(const uschar *, const uschar *, BOOL);
607 extern int test_harness_fudged_queue_time(int);
608 extern void tcp_init(void);
609 #ifdef EXIM_TFO_PROBE
610 extern void tfo_probe(void);
612 extern void tls_modify_variables(tls_support *);
613 extern uschar *tod_stamp(int);
615 extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
617 extern uschar *transport_current_name(void);
618 extern void transport_do_pass_socket(const uschar *, const uschar *,
619 const uschar *, uschar *, int);
620 extern void transport_init(void);
621 extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *, int
622 #ifdef EXPERIMENTAL_ESMTP_LIMITS
623 , unsigned, unsigned, unsigned
626 extern uschar *transport_rcpt_address(address_item *, BOOL);
627 extern BOOL transport_set_up_command(const uschar ***, const uschar *,
628 BOOL, int, address_item *, BOOL, const uschar *, uschar **);
629 extern void transport_update_waiting(host_item *, uschar *);
630 extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
631 extern void transport_write_reset(int);
632 extern BOOL transport_write_string(int, const char *, ...);
633 extern BOOL transport_headers_send(transport_ctx *,
634 BOOL (*)(transport_ctx *, uschar *, int));
635 extern gstring * transport_show_supported(gstring *);
636 extern BOOL transport_write_message(transport_ctx *, int);
637 extern void tree_add_duplicate(const uschar *, address_item *);
638 extern void tree_add_nonrecipient(const uschar *);
639 extern void tree_add_unusable(const host_item *);
640 extern void tree_dup(tree_node **, tree_node *);
641 extern int tree_insertnode(tree_node **, tree_node *);
642 extern tree_node *tree_search(tree_node *, const uschar *);
643 extern void tree_write(tree_node *, FILE *);
644 extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
646 #ifdef WITH_CONTENT_SCAN
647 extern void unspool_mbox(void);
650 extern gstring *utf8_version_report(gstring *);
653 extern int verify_address(address_item *, FILE *, int, int, int, int,
654 uschar *, uschar *, BOOL *);
655 extern int verify_check_dnsbl(int, const uschar **, uschar **);
656 extern int verify_check_header_address(uschar **, uschar **, int, int, int,
657 uschar *, uschar *, int, int *);
658 extern int verify_check_headers(uschar **);
659 extern int verify_check_header_names_ascii(uschar **);
660 extern int verify_check_host(uschar **);
661 extern int verify_check_notblind(BOOL);
662 extern int verify_check_given_host(const uschar **, const host_item *);
663 extern int verify_check_this_host(const uschar **, unsigned int *,
664 const uschar*, const uschar *, const uschar **);
665 extern address_item *verify_checked_sender(uschar *);
666 extern void verify_get_ident(int);
667 extern void verify_quota(uschar *);
668 extern int verify_quota_call(const uschar *, int, int, uschar **);
669 extern BOOL verify_sender(int *, uschar **);
670 extern BOOL verify_sender_preliminary(int *, uschar **);
671 extern void version_init(void);
673 extern BOOL write_chunk(transport_ctx *, uschar *, int);
674 extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
677 /******************************************************************************/
678 /* Predicate: if an address is in a tainted pool.
679 By extension, a variable pointing to this address is tainted.
683 is_tainted(const void * p)
685 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
689 extern BOOL is_tainted_fn(const void *);
690 return is_tainted_fn(p);
695 is_incompatible(const void * old, const void * new)
697 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
701 extern BOOL is_incompatible_fn(const void *, const void *);
702 return is_incompatible_fn(old, new);
706 /******************************************************************************/
707 /* String functions */
708 static inline uschar * __Ustrcat(uschar * dst, const uschar * src, const char * func, int line)
710 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
711 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcat", CUS func, line);
713 return US strcat(CS dst, CCS src);
715 static inline uschar * __Ustrcpy(uschar * dst, const uschar * src, const char * func, int line)
717 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
718 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcpy", CUS func, line);
720 return US strcpy(CS dst, CCS src);
722 static inline uschar * __Ustrncat(uschar * dst, const uschar * src, size_t n, const char * func, int line)
724 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
725 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncat", CUS func, line);
727 return US strncat(CS dst, CCS src, n);
729 static inline uschar * __Ustrncpy(uschar * dst, const uschar * src, size_t n, const char * func, int line)
731 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
732 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncpy", CUS func, line);
734 return US strncpy(CS dst, CCS src, n);
736 /*XXX will likely need unchecked copy also */
739 /* Advance the string pointer given over any whitespace.
740 Return the next char as there's enought places using it to be useful. */
742 #define Uskip_whitespace(sp) skip_whitespace(CUSS sp)
744 static inline uschar skip_whitespace(const uschar ** sp)
745 { while (isspace(**sp)) (*sp)++; return **sp; }
748 /******************************************************************************/
750 #if !defined(MACRO_PREDEF) && !defined(COMPILE_UTILITY)
751 /* exim_chown - in some NFSv4 setups *seemes* to be an issue with
752 chown(<exim-uid>, <exim-gid>).
754 Probably because the idmapping is broken, misconfigured or set up in
755 an unusal way. (see Bug 2931). As I'm not sure, if this was a single
756 case of misconfiguration, or if there are more such broken systems
757 out, I try to impose as least impact as possible and for now just write
758 a panic log entry pointing to the bug report. You're encouraged to
759 contact the developers, if you experience this issue.
761 fd the file descriptor (or -1 if not valid)
762 name the file name for error messages or for file operations,
767 returns 0 on success, -1 on failure */
770 exim_fchown(int fd, uid_t owner, gid_t group, const uschar *name)
772 return fchown(fd, owner, group)
773 ? exim_chown_failure(fd, name, owner, group) : 0;
777 exim_chown(const uschar *name, uid_t owner, gid_t group)
779 return chown(CCS name, owner, group)
780 ? exim_chown_failure(-1, name, owner, group) : 0;
782 #endif /* !MACRO_PREDEF && !COMPILE_UTILITY */
784 /******************************************************************************/
785 /* String functions */
787 #if !defined(MACRO_PREDEF)
788 /*************************************************
789 * Copy and save string *
790 *************************************************/
792 /* This function assumes that memcpy() is faster than strcpy().
793 The result is explicitly nul-terminated.
796 static inline uschar *
797 string_copyn_taint_trc(const uschar * s, unsigned len,
798 const void * proto_mem, const char * func, int line)
801 unsigned slen = Ustrlen(s);
802 if (len > slen) len = slen;
803 ss = store_get_3(len + 1, proto_mem, func, line);
809 static inline uschar *
810 string_copy_taint_trc(const uschar * s, const void * proto_mem, const char * func, int line)
811 { return string_copyn_taint_trc(s, Ustrlen(s), proto_mem, func, line); }
813 static inline uschar *
814 string_copyn_trc(const uschar * s, unsigned len, const char * func, int line)
815 { return string_copyn_taint_trc(s, len, s, func, line); }
816 static inline uschar *
817 string_copy_trc(const uschar * s, const char * func, int line)
818 { return string_copy_taint_trc(s, s, func, line); }
821 /* String-copy functions explicitly setting the taint status */
823 #define string_copyn_taint(s, len, proto_mem) \
824 string_copyn_taint_trc((s), (len), (proto_mem), __FUNCTION__, __LINE__)
825 #define string_copy_taint(s, proto_mem) \
826 string_copy_taint_trc((s), (proto_mem), __FUNCTION__, __LINE__)
828 /* Simple string-copy functions maintaining the taint */
830 #define string_copyn(s, len) \
831 string_copyn_trc((s), (len), __FUNCTION__, __LINE__)
832 #define string_copy(s) \
833 string_copy_trc((s), __FUNCTION__, __LINE__)
836 /*************************************************
837 * Copy, lowercase and save string *
838 *************************************************/
841 Argument: string to copy
842 Returns: copy of string in new store, with letters lowercased
845 static inline uschar *
846 string_copylc(const uschar * s)
848 uschar * ss = store_get(Ustrlen(s) + 1, s);
850 while (*s) *p++ = tolower(*s++);
857 /*************************************************
858 * Copy, lowercase, and save string, given length *
859 *************************************************/
861 /* It is assumed the data contains no zeros. A zero is added
866 n number of characters
868 Returns: copy of string in new store, with letters lowercased
871 static inline uschar *
872 string_copynlc(uschar * s, int n)
874 uschar * ss = store_get(n + 1, s);
876 while (n-- > 0) *p++ = tolower(*s++);
882 # ifndef COMPILE_UTILITY
883 /*************************************************
884 * Copy and save string in longterm store *
885 *************************************************/
887 /* This function assumes that memcpy() is faster than strcpy().
889 Argument: string to copy
890 Returns: copy of string in new store
893 static inline uschar *
894 string_copy_perm(const uschar *s, BOOL force_taint)
896 int old_pool = store_pool;
897 int len = Ustrlen(s) + 1;
900 store_pool = POOL_PERM;
901 ss = store_get(len, force_taint ? GET_TAINTED : s);
903 store_pool = old_pool;
910 /* sprintf into a buffer, taint-unchecked */
913 string_format_nt(uschar * buf, int siz, const char * fmt, ...)
915 gstring gs = { .size = siz, .ptr = 0, .s = buf };
918 (void) string_vformat(&gs, SVFMT_TAINT_NOCHK, fmt, ap);
924 /******************************************************************************/
925 /* Growable-string functions */
927 /* Create a growable-string with some preassigned space */
929 #define string_get_tainted(size, proto_mem) \
930 string_get_tainted_trc((size), (proto_mem), __FUNCTION__, __LINE__)
932 static inline gstring *
933 string_get_tainted_trc(unsigned size, const void * proto_mem, const char * func, unsigned line)
935 gstring * g = store_get_3(sizeof(gstring) + size, proto_mem, func, line);
936 g->size = size; /*XXX would be good if we could see the actual alloc size */
942 #define string_get(size) \
943 string_get_trc((size), __FUNCTION__, __LINE__)
945 static inline gstring *
946 string_get_trc(unsigned size, const char * func, unsigned line)
948 return string_get_tainted_trc(size, GET_UNTAINTED, func, line);
951 /* NUL-terminate the C string in the growable-string, and return it. */
953 static inline uschar *
954 string_from_gstring(gstring * g)
961 static inline unsigned
962 gstring_length(const gstring * g)
964 return g ? (unsigned)g->ptr : 0;
968 #define gstring_release_unused(g) \
969 gstring_release_unused_trc(g, __FUNCTION__, __LINE__)
972 gstring_release_unused_trc(gstring * g, const char * file, unsigned line)
974 if (g) store_release_above_3(g->s + (g->size = g->ptr + 1), file, line);
978 /* sprintf-append to a growable-string */
980 #define string_fmt_append(g, fmt, ...) \
981 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
982 SVFMT_EXTEND|SVFMT_REBUFFER, fmt, __VA_ARGS__)
984 #define string_fmt_append_f(g, flgs, fmt, ...) \
985 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
986 flgs, fmt, __VA_ARGS__)
988 static inline gstring *
989 string_fmt_append_f_trc(gstring * g, const uschar * func, unsigned line,
990 unsigned flags, const char *format, ...)
993 va_start(ap, format);
994 g = string_vformat_trc(g, func, line, STRING_SPRINTF_BUFFER_SIZE,
1001 /* Copy the content of a string to tainted memory. The proto_mem arg
1002 will always be tainted, and suitable as a prototype. */
1005 gstring_rebuffer(gstring * g, const void * proto_mem)
1007 uschar * s = store_get_3(g->size, proto_mem, __FUNCTION__, __LINE__);
1008 memcpy(s, g->s, g->ptr);
1013 # ifndef COMPILE_UTILITY
1014 /******************************************************************************/
1015 /* Use store_malloc for DNSA structs, and explicit frees. Using the same pool
1016 for them as the strings we proceed to copy from them meant they could not be
1017 released, hence blowing 64k for every DNS lookup. That mounted up. With malloc
1018 we do have to take care over marking tainted all copied strings. A separate pool
1019 could be used and would handle that implicitly. */
1021 #define store_get_dns_answer() store_get_dns_answer_trc(CUS __FUNCTION__, __LINE__)
1023 static inline dns_answer *
1024 store_get_dns_answer_trc(const uschar * func, unsigned line)
1026 return store_malloc_3(sizeof(dns_answer), CCS func, line);
1029 #define store_free_dns_answer(dnsa) store_free_dns_answer_trc(dnsa, CUS __FUNCTION__, __LINE__)
1032 store_free_dns_answer_trc(dns_answer * dnsa, const uschar * func, unsigned line)
1034 store_free_3(dnsa, CCS func, line);
1037 /******************************************************************************/
1038 /* Routines with knowledge of spool layout */
1041 spool_pname_buf(uschar * buf, int len)
1043 snprintf(CS buf, len, "%s/%s/input", spool_directory, queue_name);
1046 static inline uschar *
1047 spool_dname(const uschar * purpose, uschar * subdir)
1049 return string_sprintf("%s/%s/%s/%s",
1050 spool_directory, queue_name, purpose, subdir);
1054 static inline uschar *
1055 spool_q_sname(const uschar * purpose, const uschar * q, uschar * subdir)
1057 return string_sprintf("%s%s%s%s%s",
1060 *subdir ? "/" : "", subdir);
1063 static inline uschar *
1064 spool_sname(const uschar * purpose, uschar * subdir)
1066 return spool_q_sname(purpose, queue_name, subdir);
1069 static inline uschar *
1070 spool_q_fname(const uschar * purpose, const uschar * q,
1071 const uschar * subdir, const uschar * fname, const uschar * suffix)
1073 return string_sprintf("%s/%s/%s/%s/%s%s",
1074 spool_directory, q, purpose, subdir, fname, suffix);
1077 static inline uschar *
1078 spool_fname(const uschar * purpose, const uschar * subdir, const uschar * fname,
1079 const uschar * suffix)
1081 #ifdef COMPILE_UTILITY /* version avoiding string-extension */
1082 int len = Ustrlen(spool_directory) + 1 + Ustrlen(queue_name) + 1 + Ustrlen(purpose) + 1
1083 + Ustrlen(subdir) + 1 + Ustrlen(fname) + Ustrlen(suffix) + 1;
1084 uschar * buf = store_get(len, GET_UNTAINTED);
1085 string_format(buf, len, "%s/%s/%s/%s/%s%s",
1086 spool_directory, queue_name, purpose, subdir, fname, suffix);
1089 return spool_q_fname(purpose, queue_name, subdir, fname, suffix);
1094 set_subdir_str(uschar * subdir_str, const uschar * name,
1095 int search_sequence)
1097 subdir_str[0] = split_spool_directory == (search_sequence == 0)
1099 subdir_str[1] = '\0';
1102 /******************************************************************************/
1103 /* Time calculations */
1105 /* Diff two times (later, earlier) returning diff in 1st arg */
1107 timediff(struct timeval * later, const struct timeval * earlier)
1109 later->tv_sec -= earlier->tv_sec;
1110 if ((later->tv_usec -= earlier->tv_usec) < 0)
1113 later->tv_usec += 1000*1000;
1118 timesince(struct timeval * diff, const struct timeval * then)
1120 gettimeofday(diff, NULL);
1121 timediff(diff, then);
1124 static inline uschar *
1125 string_timediff(const struct timeval * diff)
1127 static uschar buf[sizeof("0.000s")];
1129 if (diff->tv_sec >= 5 || !LOGGING(millisec))
1130 return readconf_printtime((int)diff->tv_sec);
1132 snprintf(CS buf, sizeof(buf), "%u.%03us", (uint)diff->tv_sec, (uint)diff->tv_usec/1000);
1137 static inline uschar *
1138 string_timesince(const struct timeval * then)
1140 struct timeval diff;
1141 timesince(&diff, then);
1142 return string_timediff(&diff);
1146 report_time_since(const struct timeval * t0, const uschar * where)
1148 # ifdef MEASURE_TIMING
1149 struct timeval diff;
1150 timesince(&diff, t0);
1151 fprintf(stderr, "%d %s:\t%ld.%06ld\n",
1152 (uint)getpid(), where, (long)diff.tv_sec, (long)diff.tv_usec);
1158 testharness_pause_ms(int millisec)
1160 #ifndef MEASURE_TIMING
1161 if (f.running_in_test_harness && f.testsuite_delays) millisleep(millisec);
1165 /******************************************************************************/
1166 /* Taint-checked file opens */
1169 exim_open2(const char *pathname, int flags)
1171 if (!is_tainted(pathname)) return open(pathname, flags);
1172 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1177 exim_open(const char *pathname, int flags, mode_t mode)
1179 if (!is_tainted(pathname)) return open(pathname, flags, mode);
1180 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1184 #ifdef EXIM_HAVE_OPENAT
1186 exim_openat(int dirfd, const char *pathname, int flags)
1188 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags);
1189 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1194 exim_openat4(int dirfd, const char *pathname, int flags, mode_t mode)
1196 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags, mode);
1197 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1203 static inline FILE *
1204 exim_fopen(const char *pathname, const char *mode)
1206 if (!is_tainted(pathname)) return fopen(pathname, mode);
1207 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1213 exim_opendir(const uschar * name)
1215 if (!is_tainted(name)) return opendir(CCS name);
1216 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted dirname '%s'", name);
1221 /******************************************************************************/
1222 # if !defined(COMPILE_UTILITY)
1223 /* Process manipulation */
1226 exim_fork(const unsigned char * purpose)
1229 DEBUG(D_any) debug_printf("%s forking for %s\n", process_purpose, purpose);
1230 if ((pid = fork()) == 0)
1232 f.daemon_listen = FALSE;
1233 process_purpose = purpose;
1234 DEBUG(D_any) debug_printf("postfork: %s\n", purpose);
1238 testharness_pause_ms(100); /* let child work */
1239 DEBUG(D_any) debug_printf("%s forked for %s: %d\n", process_purpose, purpose, (int)pid);
1246 child_open_exim(int * fdptr, const uschar * purpose)
1247 { return child_open_exim_function(fdptr, purpose); }
1250 child_open_exim2(int * fdptr, uschar * sender,
1251 uschar * sender_auth, const uschar * purpose)
1252 { return child_open_exim2_function(fdptr, sender, sender_auth, purpose); }
1255 child_open(uschar **argv, uschar **envp, int newumask, int *infdptr,
1256 int *outfdptr, BOOL make_leader, const uschar * purpose)
1257 { return child_open_function(argv, envp, newumask, infdptr,
1258 outfdptr, make_leader, purpose);
1261 /* Return 1 if fd is usable per pollbits, else 0 */
1263 poll_one_fd(int fd, short pollbits, int tmo_millisec)
1265 struct pollfd p = {.fd = fd, .events = pollbits};
1266 return poll(&p, 1, tmo_millisec);
1269 /******************************************************************************/
1270 /* Client-side smtp log string, for debug */
1273 smtp_debug_cmd(const uschar * buf, int mode)
1275 HDEBUG(D_transport|D_acl|D_v) debug_printf_indent(" SMTP%c> %s\n",
1276 mode == SCMD_BUFFER ? '|' : mode == SCMD_MORE ? '+' : '>', buf);
1278 # ifndef DISABLE_CLIENT_CMD_LOG
1280 int len = Ustrcspn(buf, " \n");
1281 int old_pool = store_pool;
1282 store_pool = POOL_PERM; /* Main pool ACL allocations eg. callouts get released */
1283 client_cmd_log = string_append_listele_n(client_cmd_log, ':', buf, MIN(len, 8));
1284 if (mode == SCMD_BUFFER)
1286 client_cmd_log = string_catn(client_cmd_log, US"|", 1);
1287 (void) string_from_gstring(client_cmd_log);
1289 store_pool = old_pool;
1296 smtp_debug_cmd_report(void)
1298 # ifndef DISABLE_CLIENT_CMD_LOG
1299 debug_printf("cmdlog: '%s'\n", client_cmd_log ? client_cmd_log->s : US"(unset)");
1305 # endif /* !COMPILE_UTILITY */
1307 /******************************************************************************/
1308 #endif /* !MACRO_PREDEF */
1310 #endif /* _FUNCTIONS_H_ */
1314 /* End of functions.h */