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);
443 extern void regex_vars_clear(void);
445 extern void regex_at_daemon(const uschar *);
446 extern BOOL regex_match(const pcre2_code *, const uschar *, int, uschar **);
447 extern BOOL regex_match_and_setup(const pcre2_code *, const uschar *, int, int);
448 extern const pcre2_code *regex_compile(const uschar *, mcs_flags, uschar **,
449 pcre2_compile_context *);
450 extern const pcre2_code *regex_must_compile(const uschar *, mcs_flags, BOOL);
451 extern void retry_add_item(address_item *, uschar *, int);
452 extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
453 uschar **, uschar **);
454 extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
455 extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
456 dbdata_retry *, time_t);
457 extern void retry_update(address_item **, address_item **, address_item **);
458 extern const uschar *rewrite_address(const uschar *, BOOL, BOOL, rewrite_rule *, int);
459 extern const uschar *rewrite_address_qualify(const uschar *, BOOL);
460 extern header_line *rewrite_header(header_line *,
461 const uschar *, const uschar *,
462 rewrite_rule *, int, BOOL);
463 extern const uschar *rewrite_one(const uschar *, int, BOOL *, BOOL, uschar *,
465 extern void rewrite_test(const uschar *);
466 extern uschar *rfc2047_decode2(uschar *, BOOL, const uschar *, int, int *,
468 extern int route_address(address_item *, address_item **, address_item **,
469 address_item **, address_item **, int);
470 extern int route_check_prefix(const uschar *, const uschar *, unsigned *);
471 extern int route_check_suffix(const uschar *, const uschar *, unsigned *);
472 extern BOOL route_findgroup(uschar *, gid_t *);
473 extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
474 extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
476 extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
477 struct passwd **, uid_t *, uschar **);
478 extern void route_init(void);
479 extern gstring * route_show_supported(gstring *);
480 extern void route_tidyup(void);
481 extern uschar *router_current_name(void);
483 extern uschar *search_args(int, uschar *, uschar *, uschar **, const uschar *);
484 extern uschar *search_find(void *, const uschar *, uschar *, int,
485 const uschar *, int, int, int *, const uschar *);
486 extern int search_findtype(const uschar *, int);
487 extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
488 int *, const uschar **);
489 extern void *search_open(const uschar *, int, int, uid_t *, gid_t *);
490 extern void search_tidyup(void);
491 extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
492 extern void sha1_end(hctx *, const uschar *, int, uschar *);
493 extern void sha1_mid(hctx *, const uschar *);
494 extern void sha1_start(hctx *);
495 extern int sieve_interpret(const uschar *, int, const uschar *,
496 const uschar *, const uschar *, const uschar *,
497 address_item **, uschar **);
498 extern void sigalrm_handler(int);
499 extern int smtp_boundsock(smtp_connect_args *);
500 extern void smtp_closedown(uschar *);
501 extern void smtp_command_timeout_exit(void) NORETURN;
502 extern void smtp_command_sigterm_exit(void) NORETURN;
503 extern void smtp_data_timeout_exit(void) NORETURN;
504 extern void smtp_data_sigint_exit(void) NORETURN;
505 extern void smtp_deliver_init(void);
506 extern uschar *smtp_cmd_hist(void);
507 extern int smtp_connect(smtp_connect_args *, const blob *);
508 extern int smtp_feof(void);
509 extern int smtp_ferror(void);
510 extern uschar *smtp_get_connection_info(void);
511 extern BOOL smtp_get_interface(uschar *, int, address_item *,
512 uschar **, uschar *);
513 extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
514 extern int smtp_getc(unsigned);
515 extern uschar *smtp_getbuf(unsigned *);
516 extern void smtp_get_cache(unsigned);
517 extern BOOL smtp_hasc(void);
518 extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
519 extern void smtp_log_no_mail(void);
520 extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
521 extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int, const uschar *) NORETURN;
522 extern BOOL smtp_read_response(void *, uschar *, int, int, int);
523 extern void *smtp_reset(void *);
524 extern void smtp_respond(uschar *, int, BOOL, uschar *);
525 extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
526 extern void smtp_port_for_connect(host_item *, int);
527 extern void smtp_send_prohibition_message(int, uschar *);
528 extern int smtp_setup_msg(void);
529 extern int smtp_sock_connect(smtp_connect_args *, int, const blob *);
530 extern BOOL smtp_start_session(void);
531 extern int smtp_ungetc(int);
532 extern BOOL smtp_verify_helo(void);
533 extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4);
534 #ifdef WITH_CONTENT_SCAN
535 extern int spam(const uschar **);
536 extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
538 extern void spool_clear_header_globals(void);
539 extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
540 extern int spool_open_datafile(uschar *);
541 extern int spool_open_temp(uschar *);
542 extern int spool_read_header(uschar *, BOOL, BOOL);
543 extern uschar *spool_sender_from_msgid(const uschar *);
544 extern int spool_write_header(uschar *, int, uschar **);
545 extern int stdin_getc(unsigned);
546 extern int stdin_feof(void);
547 extern int stdin_ferror(void);
548 extern BOOL stdin_hasc(void);
549 extern int stdin_ungetc(int);
551 extern void stackdump(void);
552 extern void store_exit(void);
553 extern void store_init(void);
554 extern void store_writeprotect(int);
556 extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
557 extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
558 extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
559 extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT;
560 extern uschar *string_base62(unsigned long int);
561 extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
562 extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
563 extern int string_compare_by_pointer(const void *, const void *);
564 extern uschar *string_copy_dnsdomain(uschar *);
565 extern uschar *string_copy_malloc(const uschar *);
566 extern uschar *string_dequote(const uschar **);
567 extern uschar *string_format_size(int, uschar *);
568 extern int string_interpret_escape(const uschar **);
569 extern int string_is_ip_address(const uschar *, int *);
571 extern BOOL string_is_utf8(const uschar *);
573 extern const uschar *string_printing2(const uschar *, int);
574 extern uschar *string_split_message(uschar *);
575 extern uschar *string_unprinting(uschar *);
577 extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
578 extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
579 extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
580 extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
581 extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
584 #define string_format(buf, siz, fmt, ...) \
585 string_format_trc(buf, siz, US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
586 extern BOOL string_format_trc(uschar *, int, const uschar *, unsigned,
587 const char *, ...) ALMOST_PRINTF(5,6);
589 #define string_vformat(g, flgs, fmt, ap) \
590 string_vformat_trc(g, US __FUNCTION__, __LINE__, \
591 STRING_SPRINTF_BUFFER_SIZE, flgs, fmt, ap)
592 extern gstring *string_vformat_trc(gstring *, const uschar *, unsigned,
593 unsigned, unsigned, const char *, va_list);
595 #define string_open_failed(fmt, ...) \
596 string_open_failed_trc(US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
597 extern uschar *string_open_failed_trc(const uschar *, unsigned,
598 const char *, ...) PRINTF_FUNCTION(3,4);
600 #define string_nextinlist(lp, sp, b, l) \
601 string_nextinlist_trc((lp), (sp), (b), (l), US __FUNCTION__, __LINE__)
602 extern uschar *string_nextinlist_trc(const uschar **listptr, int *separator, uschar *buffer, int buflen,
603 const uschar * func, int line);
605 extern int strcmpic(const uschar *, const uschar *);
606 extern int strncmpic(const uschar *, const uschar *, int);
607 extern uschar *strstric(uschar *, uschar *, BOOL);
608 extern const uschar *strstric_c(const uschar *, const uschar *, BOOL);
610 extern int test_harness_fudged_queue_time(int);
611 extern void tcp_init(void);
612 #ifdef EXIM_TFO_PROBE
613 extern void tfo_probe(void);
615 extern void tls_modify_variables(tls_support *);
616 extern uschar *tod_stamp(int);
618 extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
620 extern uschar *transport_current_name(void);
621 extern void transport_do_pass_socket(const uschar *, const uschar *,
622 const uschar *, uschar *, int);
623 extern void transport_init(void);
624 extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *, int
625 #ifdef EXPERIMENTAL_ESMTP_LIMITS
626 , unsigned, unsigned, unsigned
629 extern uschar *transport_rcpt_address(address_item *, BOOL);
630 extern BOOL transport_set_up_command(const uschar ***, const uschar *,
631 BOOL, int, address_item *, BOOL, const uschar *, uschar **);
632 extern void transport_update_waiting(host_item *, uschar *);
633 extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
634 extern void transport_write_reset(int);
635 extern BOOL transport_write_string(int, const char *, ...);
636 extern BOOL transport_headers_send(transport_ctx *,
637 BOOL (*)(transport_ctx *, uschar *, int));
638 extern gstring * transport_show_supported(gstring *);
639 extern BOOL transport_write_message(transport_ctx *, int);
640 extern void tree_add_duplicate(const uschar *, address_item *);
641 extern void tree_add_nonrecipient(const uschar *);
642 extern void tree_add_unusable(const host_item *);
643 extern void tree_dup(tree_node **, tree_node *);
644 extern int tree_insertnode(tree_node **, tree_node *);
645 extern tree_node *tree_search(tree_node *, const uschar *);
646 extern void tree_write(tree_node *, FILE *);
647 extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
649 #ifdef WITH_CONTENT_SCAN
650 extern void unspool_mbox(void);
653 extern gstring *utf8_version_report(gstring *);
656 extern int verify_address(address_item *, FILE *, int, int, int, int,
657 uschar *, uschar *, BOOL *);
658 extern int verify_check_dnsbl(int, const uschar **, uschar **);
659 extern int verify_check_header_address(uschar **, uschar **, int, int, int,
660 uschar *, uschar *, int, int *);
661 extern int verify_check_headers(uschar **);
662 extern int verify_check_header_names_ascii(uschar **);
663 extern int verify_check_host(uschar **);
664 extern int verify_check_notblind(BOOL);
665 extern int verify_check_given_host(const uschar **, const host_item *);
666 extern int verify_check_this_host(const uschar **, unsigned int *,
667 const uschar*, const uschar *, const uschar **);
668 extern address_item *verify_checked_sender(uschar *);
669 extern void verify_get_ident(int);
670 extern void verify_quota(uschar *);
671 extern int verify_quota_call(const uschar *, int, int, uschar **);
672 extern BOOL verify_sender(int *, uschar **);
673 extern BOOL verify_sender_preliminary(int *, uschar **);
674 extern void version_init(void);
676 extern BOOL write_chunk(transport_ctx *, uschar *, int);
677 extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
680 /******************************************************************************/
681 /* Predicate: if an address is in a tainted pool.
682 By extension, a variable pointing to this address is tainted.
686 is_tainted(const void * p)
688 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
692 extern BOOL is_tainted_fn(const void *);
693 return is_tainted_fn(p);
698 is_incompatible(const void * old, const void * new)
700 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
704 extern BOOL is_incompatible_fn(const void *, const void *);
705 return is_incompatible_fn(old, new);
709 /******************************************************************************/
710 /* String functions */
711 static inline uschar * __Ustrcat(uschar * dst, const uschar * src, const char * func, int line)
713 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
714 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcat", CUS func, line);
716 return US strcat(CS dst, CCS src);
718 static inline uschar * __Ustrcpy(uschar * dst, const uschar * src, const char * func, int line)
720 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
721 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcpy", CUS func, line);
723 return US strcpy(CS dst, CCS src);
725 static inline uschar * __Ustrncat(uschar * dst, const uschar * src, size_t n, const char * func, int line)
727 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
728 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncat", CUS func, line);
730 return US strncat(CS dst, CCS src, n);
732 static inline uschar * __Ustrncpy(uschar * dst, const uschar * src, size_t n, const char * func, int line)
734 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
735 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncpy", CUS func, line);
737 return US strncpy(CS dst, CCS src, n);
739 /*XXX will likely need unchecked copy also */
742 /* Advance the string pointer given over any whitespace.
743 Return the next char as there's enought places using it to be useful. */
745 #define Uskip_whitespace(sp) skip_whitespace(CUSS sp)
747 static inline uschar skip_whitespace(const uschar ** sp)
748 { while (isspace(**sp)) (*sp)++; return **sp; }
751 /******************************************************************************/
753 #if !defined(MACRO_PREDEF) && !defined(COMPILE_UTILITY)
754 /* exim_chown - in some NFSv4 setups *seemes* to be an issue with
755 chown(<exim-uid>, <exim-gid>).
757 Probably because the idmapping is broken, misconfigured or set up in
758 an unusal way. (see Bug 2931). As I'm not sure, if this was a single
759 case of misconfiguration, or if there are more such broken systems
760 out, I try to impose as least impact as possible and for now just write
761 a panic log entry pointing to the bug report. You're encouraged to
762 contact the developers, if you experience this issue.
764 fd the file descriptor (or -1 if not valid)
765 name the file name for error messages or for file operations,
770 returns 0 on success, -1 on failure */
773 exim_fchown(int fd, uid_t owner, gid_t group, const uschar *name)
775 return fchown(fd, owner, group)
776 ? exim_chown_failure(fd, name, owner, group) : 0;
780 exim_chown(const uschar *name, uid_t owner, gid_t group)
782 return chown(CCS name, owner, group)
783 ? exim_chown_failure(-1, name, owner, group) : 0;
785 #endif /* !MACRO_PREDEF && !COMPILE_UTILITY */
787 /******************************************************************************/
788 /* String functions */
790 #if !defined(MACRO_PREDEF)
791 /*************************************************
792 * Copy and save string *
793 *************************************************/
795 /* This function assumes that memcpy() is faster than strcpy().
796 The result is explicitly nul-terminated.
799 static inline uschar *
800 string_copyn_taint_trc(const uschar * s, unsigned len,
801 const void * proto_mem, const char * func, int line)
804 unsigned slen = Ustrlen(s);
805 if (len > slen) len = slen;
806 ss = store_get_3(len + 1, proto_mem, func, line);
812 static inline uschar *
813 string_copy_taint_trc(const uschar * s, const void * proto_mem, const char * func, int line)
814 { return string_copyn_taint_trc(s, Ustrlen(s), proto_mem, func, line); }
816 static inline uschar *
817 string_copyn_trc(const uschar * s, unsigned len, const char * func, int line)
818 { return string_copyn_taint_trc(s, len, s, func, line); }
819 static inline uschar *
820 string_copy_trc(const uschar * s, const char * func, int line)
821 { return string_copy_taint_trc(s, s, func, line); }
824 /* String-copy functions explicitly setting the taint status */
826 #define string_copyn_taint(s, len, proto_mem) \
827 string_copyn_taint_trc((s), (len), (proto_mem), __FUNCTION__, __LINE__)
828 #define string_copy_taint(s, proto_mem) \
829 string_copy_taint_trc((s), (proto_mem), __FUNCTION__, __LINE__)
831 /* Simple string-copy functions maintaining the taint */
833 #define string_copyn(s, len) \
834 string_copyn_trc((s), (len), __FUNCTION__, __LINE__)
835 #define string_copy(s) \
836 string_copy_trc((s), __FUNCTION__, __LINE__)
839 /*************************************************
840 * Copy, lowercase and save string *
841 *************************************************/
844 Argument: string to copy
845 Returns: copy of string in new store, with letters lowercased
848 static inline uschar *
849 string_copylc(const uschar * s)
851 uschar * ss = store_get(Ustrlen(s) + 1, s);
853 while (*s) *p++ = tolower(*s++);
860 /*************************************************
861 * Copy, lowercase, and save string, given length *
862 *************************************************/
864 /* It is assumed the data contains no zeros. A zero is added
869 n number of characters
871 Returns: copy of string in new store, with letters lowercased
874 static inline uschar *
875 string_copynlc(uschar * s, int n)
877 uschar * ss = store_get(n + 1, s);
879 while (n-- > 0) *p++ = tolower(*s++);
885 # ifndef COMPILE_UTILITY
886 /*************************************************
887 * Copy and save string in longterm store *
888 *************************************************/
890 /* This function assumes that memcpy() is faster than strcpy().
892 Argument: string to copy
893 Returns: copy of string in new store
896 static inline uschar *
897 string_copy_perm(const uschar *s, BOOL force_taint)
899 int old_pool = store_pool;
900 int len = Ustrlen(s) + 1;
903 store_pool = POOL_PERM;
904 ss = store_get(len, force_taint ? GET_TAINTED : s);
906 store_pool = old_pool;
913 /* sprintf into a buffer, taint-unchecked */
916 string_format_nt(uschar * buf, int siz, const char * fmt, ...)
918 gstring gs = { .size = siz, .ptr = 0, .s = buf };
921 (void) string_vformat(&gs, SVFMT_TAINT_NOCHK, fmt, ap);
927 /******************************************************************************/
928 /* Growable-string functions */
930 /* Create a growable-string with some preassigned space */
932 #define string_get_tainted(size, proto_mem) \
933 string_get_tainted_trc((size), (proto_mem), __FUNCTION__, __LINE__)
935 static inline gstring *
936 string_get_tainted_trc(unsigned size, const void * proto_mem, const char * func, unsigned line)
938 gstring * g = store_get_3(sizeof(gstring) + size, proto_mem, func, line);
939 g->size = size; /*XXX would be good if we could see the actual alloc size */
945 #define string_get(size) \
946 string_get_trc((size), __FUNCTION__, __LINE__)
948 static inline gstring *
949 string_get_trc(unsigned size, const char * func, unsigned line)
951 return string_get_tainted_trc(size, GET_UNTAINTED, func, line);
954 /* NUL-terminate the C string in the growable-string, and return it. */
956 static inline uschar *
957 string_from_gstring(gstring * g)
964 static inline unsigned
965 gstring_length(const gstring * g)
967 return g ? (unsigned)g->ptr : 0;
971 #define gstring_release_unused(g) \
972 gstring_release_unused_trc(g, __FUNCTION__, __LINE__)
975 gstring_release_unused_trc(gstring * g, const char * file, unsigned line)
977 if (g) store_release_above_3(g->s + (g->size = g->ptr + 1), file, line);
981 /* sprintf-append to a growable-string */
983 #define string_fmt_append(g, fmt, ...) \
984 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
985 SVFMT_EXTEND|SVFMT_REBUFFER, fmt, __VA_ARGS__)
987 #define string_fmt_append_f(g, flgs, fmt, ...) \
988 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
989 flgs, fmt, __VA_ARGS__)
991 static inline gstring *
992 string_fmt_append_f_trc(gstring * g, const uschar * func, unsigned line,
993 unsigned flags, const char *format, ...)
996 va_start(ap, format);
997 g = string_vformat_trc(g, func, line, STRING_SPRINTF_BUFFER_SIZE,
1004 /* Copy the content of a string to tainted memory. The proto_mem arg
1005 will always be tainted, and suitable as a prototype. */
1008 gstring_rebuffer(gstring * g, const void * proto_mem)
1010 uschar * s = store_get_3(g->size, proto_mem, __FUNCTION__, __LINE__);
1011 memcpy(s, g->s, g->ptr);
1016 # ifndef COMPILE_UTILITY
1017 /******************************************************************************/
1018 /* Use store_malloc for DNSA structs, and explicit frees. Using the same pool
1019 for them as the strings we proceed to copy from them meant they could not be
1020 released, hence blowing 64k for every DNS lookup. That mounted up. With malloc
1021 we do have to take care over marking tainted all copied strings. A separate pool
1022 could be used and would handle that implicitly. */
1024 #define store_get_dns_answer() store_get_dns_answer_trc(CUS __FUNCTION__, __LINE__)
1026 static inline dns_answer *
1027 store_get_dns_answer_trc(const uschar * func, unsigned line)
1029 return store_malloc_3(sizeof(dns_answer), CCS func, line);
1032 #define store_free_dns_answer(dnsa) store_free_dns_answer_trc(dnsa, CUS __FUNCTION__, __LINE__)
1035 store_free_dns_answer_trc(dns_answer * dnsa, const uschar * func, unsigned line)
1037 store_free_3(dnsa, CCS func, line);
1040 /******************************************************************************/
1041 /* Routines with knowledge of spool layout */
1044 spool_pname_buf(uschar * buf, int len)
1046 snprintf(CS buf, len, "%s/%s/input", spool_directory, queue_name);
1049 static inline uschar *
1050 spool_dname(const uschar * purpose, uschar * subdir)
1052 return string_sprintf("%s/%s/%s/%s",
1053 spool_directory, queue_name, purpose, subdir);
1057 static inline uschar *
1058 spool_q_sname(const uschar * purpose, const uschar * q, uschar * subdir)
1060 return string_sprintf("%s%s%s%s%s",
1063 *subdir ? "/" : "", subdir);
1066 static inline uschar *
1067 spool_sname(const uschar * purpose, uschar * subdir)
1069 return spool_q_sname(purpose, queue_name, subdir);
1072 static inline uschar *
1073 spool_q_fname(const uschar * purpose, const uschar * q,
1074 const uschar * subdir, const uschar * fname, const uschar * suffix)
1076 return string_sprintf("%s/%s/%s/%s/%s%s",
1077 spool_directory, q, purpose, subdir, fname, suffix);
1080 static inline uschar *
1081 spool_fname(const uschar * purpose, const uschar * subdir, const uschar * fname,
1082 const uschar * suffix)
1084 #ifdef COMPILE_UTILITY /* version avoiding string-extension */
1085 int len = Ustrlen(spool_directory) + 1 + Ustrlen(queue_name) + 1 + Ustrlen(purpose) + 1
1086 + Ustrlen(subdir) + 1 + Ustrlen(fname) + Ustrlen(suffix) + 1;
1087 uschar * buf = store_get(len, GET_UNTAINTED);
1088 string_format(buf, len, "%s/%s/%s/%s/%s%s",
1089 spool_directory, queue_name, purpose, subdir, fname, suffix);
1092 return spool_q_fname(purpose, queue_name, subdir, fname, suffix);
1097 set_subdir_str(uschar * subdir_str, const uschar * name,
1098 int search_sequence)
1100 subdir_str[0] = split_spool_directory == (search_sequence == 0)
1102 subdir_str[1] = '\0';
1105 /******************************************************************************/
1106 /* Time calculations */
1108 /* Diff two times (later, earlier) returning diff in 1st arg */
1110 timediff(struct timeval * later, const struct timeval * earlier)
1112 later->tv_sec -= earlier->tv_sec;
1113 if ((later->tv_usec -= earlier->tv_usec) < 0)
1116 later->tv_usec += 1000*1000;
1121 timesince(struct timeval * diff, const struct timeval * then)
1123 gettimeofday(diff, NULL);
1124 timediff(diff, then);
1127 static inline uschar *
1128 string_timediff(const struct timeval * diff)
1130 static uschar buf[sizeof("0.000s")];
1132 if (diff->tv_sec >= 5 || !LOGGING(millisec))
1133 return readconf_printtime((int)diff->tv_sec);
1135 snprintf(CS buf, sizeof(buf), "%u.%03us", (uint)diff->tv_sec, (uint)diff->tv_usec/1000);
1140 static inline uschar *
1141 string_timesince(const struct timeval * then)
1143 struct timeval diff;
1144 timesince(&diff, then);
1145 return string_timediff(&diff);
1149 report_time_since(const struct timeval * t0, const uschar * where)
1151 # ifdef MEASURE_TIMING
1152 struct timeval diff;
1153 timesince(&diff, t0);
1154 fprintf(stderr, "%d %s:\t%ld.%06ld\n",
1155 (uint)getpid(), where, (long)diff.tv_sec, (long)diff.tv_usec);
1161 testharness_pause_ms(int millisec)
1163 #ifndef MEASURE_TIMING
1164 if (f.running_in_test_harness && f.testsuite_delays) millisleep(millisec);
1168 /******************************************************************************/
1169 /* Taint-checked file opens */
1172 exim_open2(const char *pathname, int flags)
1174 if (!is_tainted(pathname)) return open(pathname, flags);
1175 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1180 exim_open(const char *pathname, int flags, mode_t mode)
1182 if (!is_tainted(pathname)) return open(pathname, flags, mode);
1183 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1187 #ifdef EXIM_HAVE_OPENAT
1189 exim_openat(int dirfd, const char *pathname, int flags)
1191 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags);
1192 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1197 exim_openat4(int dirfd, const char *pathname, int flags, mode_t mode)
1199 if (!is_tainted(pathname)) return openat(dirfd, pathname, flags, mode);
1200 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1206 static inline FILE *
1207 exim_fopen(const char *pathname, const char *mode)
1209 if (!is_tainted(pathname)) return fopen(pathname, mode);
1210 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname);
1216 exim_opendir(const uschar * name)
1218 if (!is_tainted(name)) return opendir(CCS name);
1219 log_write(0, LOG_MAIN|LOG_PANIC, "Tainted dirname '%s'", name);
1224 /******************************************************************************/
1225 # if !defined(COMPILE_UTILITY)
1226 /* Process manipulation */
1229 exim_fork(const unsigned char * purpose)
1232 DEBUG(D_any) debug_printf("%s forking for %s\n", process_purpose, purpose);
1233 if ((pid = fork()) == 0)
1235 f.daemon_listen = FALSE;
1236 process_purpose = purpose;
1237 DEBUG(D_any) debug_printf("postfork: %s\n", purpose);
1241 testharness_pause_ms(100); /* let child work */
1242 DEBUG(D_any) debug_printf("%s forked for %s: %d\n", process_purpose, purpose, (int)pid);
1249 child_open_exim(int * fdptr, const uschar * purpose)
1250 { return child_open_exim_function(fdptr, purpose); }
1253 child_open_exim2(int * fdptr, uschar * sender,
1254 uschar * sender_auth, const uschar * purpose)
1255 { return child_open_exim2_function(fdptr, sender, sender_auth, purpose); }
1258 child_open(uschar **argv, uschar **envp, int newumask, int *infdptr,
1259 int *outfdptr, BOOL make_leader, const uschar * purpose)
1260 { return child_open_function(argv, envp, newumask, infdptr,
1261 outfdptr, make_leader, purpose);
1264 /* Return 1 if fd is usable per pollbits, else 0 */
1266 poll_one_fd(int fd, short pollbits, int tmo_millisec)
1268 struct pollfd p = {.fd = fd, .events = pollbits};
1269 return poll(&p, 1, tmo_millisec);
1272 /******************************************************************************/
1273 /* Client-side smtp log string, for debug */
1276 smtp_debug_cmd(const uschar * buf, int mode)
1278 HDEBUG(D_transport|D_acl|D_v) debug_printf_indent(" SMTP%c> %s\n",
1279 mode == SCMD_BUFFER ? '|' : mode == SCMD_MORE ? '+' : '>', buf);
1281 # ifndef DISABLE_CLIENT_CMD_LOG
1283 int len = Ustrcspn(buf, " \n");
1284 int old_pool = store_pool;
1285 store_pool = POOL_PERM; /* Main pool ACL allocations eg. callouts get released */
1286 client_cmd_log = string_append_listele_n(client_cmd_log, ':', buf, MIN(len, 8));
1287 if (mode == SCMD_BUFFER)
1289 client_cmd_log = string_catn(client_cmd_log, US"|", 1);
1290 (void) string_from_gstring(client_cmd_log);
1292 store_pool = old_pool;
1299 smtp_debug_cmd_report(void)
1301 # ifndef DISABLE_CLIENT_CMD_LOG
1302 debug_printf("cmdlog: '%s'\n", client_cmd_log ? client_cmd_log->s : US"(unset)");
1308 # endif /* !COMPILE_UTILITY */
1310 /******************************************************************************/
1311 #endif /* !MACRO_PREDEF */
1313 #endif /* _FUNCTIONS_H_ */
1317 /* End of functions.h */