1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* Copyright (c) The Exim Maintainers 2020 */
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_read(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 void tls_version_report(FILE *);
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 int acl_eval(int, uschar *, uschar **, uschar **);
103 extern tree_node *acl_var_create(uschar *);
104 extern void acl_var_write(uschar *, uschar *, void *);
106 #ifdef EXPERIMENTAL_ARC
107 extern void *arc_ams_setup_sign_bodyhash(void);
108 extern const uschar *arc_header_feed(gstring *, BOOL);
109 extern gstring *arc_sign(const uschar *, gstring *, uschar **);
110 extern void arc_sign_init(void);
111 extern const uschar *acl_verify_arc(void);
112 extern uschar * fn_arc_domains(void);
115 extern void assert_no_variables(void *, int, const char *, int);
116 extern int auth_call_pam(const uschar *, uschar **);
117 extern int auth_call_pwcheck(uschar *, uschar **);
118 extern int auth_call_radius(const uschar *, uschar **);
119 extern int auth_call_saslauthd(const uschar *, const uschar *,
120 const uschar *, const uschar *, uschar **);
121 extern int auth_check_serv_cond(auth_instance *);
122 extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
123 extern int auth_client_item(void *, auth_instance *, const uschar **,
124 unsigned, int, uschar *, int);
127 extern int auth_get_data(uschar **, const uschar *, int);
128 extern int auth_get_no64_data(uschar **, uschar *);
129 extern int auth_prompt(const uschar *);
130 extern int auth_read_input(const uschar *);
131 extern gstring * auth_show_supported(gstring *);
132 extern uschar *auth_xtextencode(uschar *, int);
133 extern int auth_xtextdecode(uschar *, uschar **);
135 #ifdef EXPERIMENTAL_ARC
136 extern gstring *authres_arc(gstring *);
139 extern gstring *authres_dkim(gstring *);
142 extern gstring *authres_dmarc(gstring *);
144 extern gstring *authres_smtpauth(gstring *);
146 extern gstring *authres_spf(gstring *);
149 extern uschar *b64encode(const uschar *, int);
150 extern uschar *b64encode_taint(const uschar *, int, BOOL);
151 extern int b64decode(const uschar *, uschar **);
152 extern int bdat_getc(unsigned);
153 extern uschar *bdat_getbuf(unsigned *);
154 extern BOOL bdat_hasc(void);
155 extern int bdat_ungetc(int);
156 extern void bdat_flush_data(void);
158 extern void bits_clear(unsigned int *, size_t, int *);
159 extern void bits_set(unsigned int *, size_t, int *);
161 extern void cancel_cutthrough_connection(BOOL, const uschar *);
162 extern gstring *cat_file(FILE *, gstring *, uschar *);
163 extern gstring *cat_file_tls(void *, gstring *, uschar *);
164 extern int check_host(void *, const uschar *, const uschar **, uschar **);
165 extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
166 extern pid_t child_open_exim_function(int *, const uschar *);
167 extern pid_t child_open_exim2_function(int *, uschar *, uschar *,
169 extern pid_t child_open_function(uschar **, uschar **, int,
170 int *, int *, BOOL, const uschar *);
171 extern pid_t child_open_uid(const uschar **, const uschar **, int,
172 uid_t *, gid_t *, int *, int *, uschar *, BOOL, const uschar *);
173 extern BOOL cleanup_environment(void);
174 extern void cutthrough_data_puts(uschar *, int);
175 extern void cutthrough_data_put_nl(void);
176 extern uschar *cutthrough_finaldot(void);
177 extern BOOL cutthrough_flush_send(void);
178 extern BOOL cutthrough_headers_send(void);
179 extern BOOL cutthrough_predata(void);
180 extern void release_cutthrough_connection(const uschar *);
182 extern void daemon_go(void);
184 #ifdef EXPERIMENTAL_DCC
185 extern int dcc_process(uschar **);
188 extern void debug_logging_activate(uschar *, uschar *);
189 extern void debug_logging_stop(void);
190 extern void debug_print_argv(const uschar **);
191 extern void debug_print_ids(uschar *);
192 extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
193 extern void debug_print_string(uschar *);
194 extern void debug_print_tree(const char *, tree_node *);
195 extern void debug_vprintf(int, const char *, va_list);
196 extern void debug_print_socket(int);
198 extern void decode_bits(unsigned int *, size_t, int *,
199 uschar *, bit_table *, int, uschar *, int);
200 extern void delete_pid_file(void);
201 extern void deliver_local(address_item *, BOOL);
202 extern address_item *deliver_make_addr(uschar *, BOOL);
203 extern void delivery_log(int, address_item *, int, uschar *);
204 extern int deliver_message(uschar *, BOOL, BOOL);
205 extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
206 extern void deliver_set_expansions(address_item *);
207 extern int deliver_split_address(address_item *);
208 extern void deliver_succeeded(address_item *);
210 extern void delivery_re_exec(int);
212 extern void die_tainted(const uschar *, const uschar *, int);
213 extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
215 extern uschar *dkim_exim_query_dns_txt(const uschar *);
216 extern void dkim_exim_sign_init(void);
218 extern BOOL dkim_transport_write_message(transport_ctx *,
219 struct ob_dkim *, const uschar ** errstr);
221 extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
222 extern int dns_basic_lookup(dns_answer *, const uschar *, int);
223 extern uschar *dns_build_reverse(const uschar *);
224 extern time_t dns_expire_from_soa(dns_answer *, int);
225 extern void dns_init(BOOL, BOOL, BOOL);
226 extern BOOL dns_is_aa(const dns_answer *);
227 extern BOOL dns_is_secure(const dns_answer *);
228 extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
229 extern void dns_pattern_init(void);
230 extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
231 extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
232 extern uschar *dns_text_type(int);
233 extern void dscp_list_to_stream(FILE *);
234 extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
236 extern void enq_end(uschar *);
237 extern BOOL enq_start(uschar *, unsigned);
238 #ifndef DISABLE_EVENT
239 extern uschar *event_raise(uschar *, const uschar *, uschar *);
240 extern void msg_event_raise(const uschar *, const address_item *);
243 extern int exim_chown_failure(int, const uschar*, uid_t, gid_t);
244 extern const uschar * exim_errstr(int);
245 extern void exim_exit(int) NORETURN;
246 extern void exim_gettime(struct timeval *);
247 extern void exim_nullstd(void);
248 extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
249 extern void exim_underbar_exit(int) NORETURN;
250 extern void exim_wait_tick(struct timeval *, int);
251 extern int exp_bool(address_item *addr,
252 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
253 uschar *svalue, BOOL *rvalue);
254 extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
255 extern uschar *expand_file_big_buffer(const uschar *);
256 extern uschar *expand_string(uschar *); /* public, cannot make const */
257 extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
258 extern uschar *expand_getkeyed(const uschar *, const uschar *);
260 extern uschar *expand_hide_passwords(uschar * );
261 extern uschar *expand_string_copy(const uschar *);
262 extern int_eximarith_t expand_string_integer(uschar *, BOOL);
263 extern void modify_variable(uschar *, void *);
265 extern BOOL fd_ready(int, time_t);
267 extern int filter_interpret(uschar *, int, address_item **, uschar **);
268 extern BOOL filter_personal(string_item *, BOOL);
269 extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
270 extern BOOL filter_system_interpret(address_item **, uschar **);
272 extern uschar * fn_hdrs_added(void);
273 extern void force_fd(int, int);
275 extern void header_add(int, const char *, ...);
276 extern header_line *header_add_at_position_internal(BOOL, uschar *, BOOL, int, const char *, ...);
277 extern int header_checkname(header_line *, BOOL);
278 extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
279 extern int host_address_extract_port(uschar *);
280 extern uschar *host_and_ident(BOOL);
281 extern int host_aton(const uschar *, int *);
282 extern void host_build_hostlist(host_item **, const uschar *, BOOL);
283 extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
284 extern void host_build_log_info(void);
285 extern void host_build_sender_fullhost(void);
286 extern int host_find_byname(host_item *, const uschar *, int,
287 const uschar **, BOOL);
288 extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
289 uschar *, const dnssec_domains *, const uschar **, BOOL *);
290 extern ip_address_item *host_find_interfaces(void);
291 extern BOOL host_is_in_net(const uschar *, const uschar *, int);
292 extern BOOL host_is_tls_on_connect_port(int);
293 extern int host_item_get_port(host_item *);
294 extern void host_mask(int, int *, int);
295 extern int host_name_lookup(void);
296 extern int host_nmtoa(int, int *, int, uschar *, int);
297 extern uschar *host_ntoa(int, const void *, uschar *, int *);
298 extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
300 extern uschar *imap_utf7_encode(uschar *, const uschar *,
301 uschar, uschar *, uschar **);
303 extern void invert_address(uschar *, uschar *);
304 extern int ip_addr(void *, int, const uschar *, int);
305 extern int ip_bind(int, int, uschar *, int);
306 extern int ip_connect(int, int, const uschar *, int, int, const blob *);
307 extern int ip_connectedsocket(int, const uschar *, int, int,
308 int, host_item *, uschar **, const blob *);
309 extern int ip_get_address_family(int);
310 extern void ip_keepalive(int, const uschar *, BOOL);
311 extern int ip_recv(client_conn_ctx *, uschar *, int, time_t);
312 extern int ip_socket(int, int);
314 extern int ip_tcpsocket(const uschar *, uschar **, int, host_item *);
315 extern int ip_unixsocket(const uschar *, uschar **);
316 extern int ip_streamsocket(const uschar *, uschar **, int, host_item *);
318 extern int ipv6_nmtoa(int *, uschar *);
320 extern uschar *local_part_quote(uschar *);
321 extern int log_open_as_exim(uschar * const);
322 extern void log_close_all(void);
324 extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
325 extern BOOL macro_read_assignment(uschar *);
326 extern uschar *macros_expand(int, int *, BOOL *);
327 extern void mainlog_close(void);
328 #ifdef WITH_CONTENT_SCAN
329 extern int malware(const uschar *, int);
330 extern int malware_in_file(uschar *);
331 extern void malware_init(void);
332 extern gstring * malware_show_supported(gstring *);
334 extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
335 unsigned int *, int, int, const uschar **);
336 extern int match_address_list_basic(const uschar *, const uschar **, int);
337 extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
338 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
339 const uschar *, const uschar **);
340 extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
341 unsigned int *, int, BOOL, const uschar **);
342 extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
345 extern void message_start(void);
346 extern void message_tidyup(void);
347 extern void md5_end(md5 *, const uschar *, int, uschar *);
348 extern void md5_mid(md5 *, const uschar *);
349 extern void md5_start(md5 *);
350 extern void millisleep(int);
351 #ifdef WITH_CONTENT_SCAN
352 struct mime_boundary_context;
353 extern int mime_acl_check(uschar *acl, FILE *f,
354 struct mime_boundary_context *, uschar **, uschar **);
355 extern int mime_decode(const uschar **);
356 extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
357 extern int mime_regex(const uschar **);
358 extern void mime_set_anomaly(int);
360 extern uschar *moan_check_errorcopy(uschar *);
361 extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
363 extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
364 extern BOOL moan_send_message(uschar *, int, error_block *eblock,
365 header_line *, FILE *, uschar *);
366 extern void moan_tell_someone(uschar *, address_item *,
367 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
368 extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
369 extern void moan_write_from(FILE *);
370 extern void moan_write_references(FILE *, uschar *);
371 extern FILE *modefopen(const uschar *, const char *, mode_t);
373 extern int open_cutthrough_connection( address_item * addr );
375 extern uschar *parse_extract_address(const uschar *, uschar **, int *, int *, int *,
377 extern int parse_forward_list(const uschar *, int, address_item **, uschar **,
378 const uschar *, uschar *, error_block **);
379 extern uschar *parse_find_address_end(const uschar *, BOOL);
380 extern const uschar *parse_find_at(const uschar *);
381 extern const uschar *parse_fix_phrase(const uschar *, int);
382 extern const uschar *parse_message_id(const uschar *, uschar **, uschar **);
383 extern const uschar *parse_quote_2047(const uschar *, int, const uschar *,
385 extern const uschar *parse_date_time(const uschar *str, time_t *t);
386 extern void priv_drop_temp(const uid_t, const gid_t);
387 extern void priv_restore(void);
388 extern int vaguely_random_number(int);
390 extern int vaguely_random_number_fallback(int);
393 extern BOOL queue_action(uschar *, int, uschar **, int, int);
394 extern void queue_check_only(void);
395 extern unsigned queue_count(void);
396 extern unsigned queue_count_cached(void);
397 extern void queue_list(int, uschar **, int);
398 #ifndef DISABLE_QUEUE_RAMP
399 extern void queue_notify_daemon(const uschar * hostname);
401 extern void queue_run(uschar *, uschar *, BOOL);
403 extern int random_number(int);
404 extern const uschar *rc_to_string(int);
405 extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
406 uschar *, uschar *, uschar *, ugid_block *, address_item **,
407 uschar **, error_block **, int *, uschar *);
408 extern int rda_is_filter(const uschar *);
409 extern BOOL readconf_depends(driver_instance *, uschar *);
410 extern void readconf_driver_init(uschar *, driver_instance **,
411 driver_info *, int, void *, int, optionlist *, int);
412 extern uschar *readconf_find_option(void *);
413 extern void readconf_main(BOOL);
414 extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
415 extern BOOL readconf_print(const uschar *, uschar *, BOOL);
416 extern uschar *readconf_printtime(int);
417 extern uschar *readconf_readname(uschar *, int, uschar *);
418 extern int readconf_readtime(const uschar *, int, BOOL);
419 extern void readconf_rest(void);
420 extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
421 extern void readconf_save_config(const uschar *);
422 extern void read_message_body(BOOL);
423 extern void receive_bomb_out(uschar *, uschar *) NORETURN;
424 extern BOOL receive_check_fs(int);
425 extern BOOL receive_check_set_sender(uschar *);
426 extern BOOL receive_msg(BOOL);
427 extern int_eximarith_t receive_statvfs(BOOL, int *);
428 extern void receive_swallow_smtp(void);
429 #ifdef WITH_CONTENT_SCAN
430 extern int regex(const uschar **);
432 extern BOOL regex_match(const pcre2_code *, const uschar *, int, uschar **);
433 extern BOOL regex_match_and_setup(const pcre2_code *, const uschar *, int, int);
434 extern const pcre2_code *regex_must_compile(const uschar *, BOOL, BOOL);
435 extern void retry_add_item(address_item *, uschar *, int);
436 extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
437 uschar **, uschar **);
438 extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
439 extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
440 dbdata_retry *, time_t);
441 extern void retry_update(address_item **, address_item **, address_item **);
442 extern const uschar *rewrite_address(const uschar *, BOOL, BOOL, rewrite_rule *, int);
443 extern const uschar *rewrite_address_qualify(const uschar *, BOOL);
444 extern header_line *rewrite_header(header_line *,
445 const uschar *, const uschar *,
446 rewrite_rule *, int, BOOL);
447 extern const uschar *rewrite_one(const uschar *, int, BOOL *, BOOL, uschar *,
449 extern void rewrite_test(const uschar *);
450 extern uschar *rfc2047_decode2(uschar *, BOOL, const uschar *, int, int *,
452 extern int route_address(address_item *, address_item **, address_item **,
453 address_item **, address_item **, int);
454 extern int route_check_prefix(const uschar *, const uschar *, unsigned *);
455 extern int route_check_suffix(const uschar *, const uschar *, unsigned *);
456 extern BOOL route_findgroup(uschar *, gid_t *);
457 extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
458 extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
460 extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
461 struct passwd **, uid_t *, uschar **);
462 extern void route_init(void);
463 extern gstring * route_show_supported(gstring *);
464 extern void route_tidyup(void);
466 extern uschar *search_args(int, uschar *, uschar *, uschar **, const uschar *);
467 extern uschar *search_find(void *, const uschar *, uschar *, int,
468 const uschar *, int, int, int *, const uschar *);
469 extern int search_findtype(const uschar *, int);
470 extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
471 int *, const uschar **);
472 extern void *search_open(const uschar *, int, int, uid_t *, gid_t *);
473 extern void search_tidyup(void);
474 extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
475 extern void sha1_end(hctx *, const uschar *, int, uschar *);
476 extern void sha1_mid(hctx *, const uschar *);
477 extern void sha1_start(hctx *);
478 extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
479 uschar *, address_item **, uschar **);
480 extern void sigalrm_handler(int);
481 extern BOOL smtp_buffered(void);
482 extern void smtp_closedown(uschar *);
483 extern void smtp_command_timeout_exit(void) NORETURN;
484 extern void smtp_command_sigterm_exit(void) NORETURN;
485 extern void smtp_data_timeout_exit(void) NORETURN;
486 extern void smtp_data_sigint_exit(void) NORETURN;
487 extern void smtp_deliver_init(void);
488 extern uschar *smtp_cmd_hist(void);
489 extern int smtp_connect(smtp_connect_args *, const blob *);
490 extern int smtp_sock_connect(host_item *, int, int, uschar *,
491 transport_instance * tb, int, const blob *);
492 extern int smtp_feof(void);
493 extern int smtp_ferror(void);
494 extern uschar *smtp_get_connection_info(void);
495 extern BOOL smtp_get_interface(uschar *, int, address_item *,
496 uschar **, uschar *);
497 extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
498 extern int smtp_getc(unsigned);
499 extern uschar *smtp_getbuf(unsigned *);
500 extern void smtp_get_cache(unsigned);
501 extern BOOL smtp_hasc(void);
502 extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
503 extern void smtp_log_no_mail(void);
504 extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
505 extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int) NORETURN;
506 extern BOOL smtp_read_response(void *, uschar *, int, int, int);
507 extern void *smtp_reset(void *);
508 extern void smtp_respond(uschar *, int, BOOL, uschar *);
509 extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
510 extern void smtp_port_for_connect(host_item *, int);
511 extern void smtp_send_prohibition_message(int, uschar *);
512 extern int smtp_setup_msg(void);
513 extern BOOL smtp_start_session(void);
514 extern int smtp_ungetc(int);
515 extern BOOL smtp_verify_helo(void);
516 extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4);
517 #ifdef WITH_CONTENT_SCAN
518 extern int spam(const uschar **);
519 extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
521 extern void spool_clear_header_globals(void);
522 extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
523 extern int spool_open_datafile(uschar *);
524 extern int spool_open_temp(uschar *);
525 extern int spool_read_header(uschar *, BOOL, BOOL);
526 extern uschar *spool_sender_from_msgid(const uschar *);
527 extern int spool_write_header(uschar *, int, uschar **);
528 extern int stdin_getc(unsigned);
529 extern int stdin_feof(void);
530 extern int stdin_ferror(void);
531 extern BOOL stdin_hasc(void);
532 extern int stdin_ungetc(int);
534 extern void store_exit(void);
535 extern void store_init(void);
536 extern void store_writeprotect(int);
538 extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
539 extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
540 extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
541 extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT;
542 extern uschar *string_base62(unsigned long int);
543 extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
544 extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
545 extern int string_compare_by_pointer(const void *, const void *);
546 extern uschar *string_copy_dnsdomain(uschar *);
547 extern uschar *string_copy_malloc(const uschar *);
548 extern uschar *string_dequote(const uschar **);
549 extern uschar *string_format_size(int, uschar *);
550 extern int string_interpret_escape(const uschar **);
551 extern int string_is_ip_address(const uschar *, int *);
553 extern BOOL string_is_utf8(const uschar *);
555 extern const uschar *string_printing2(const uschar *, int);
556 extern uschar *string_split_message(uschar *);
557 extern uschar *string_unprinting(uschar *);
559 extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
560 extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
561 extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
562 extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
563 extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
566 #define string_format(buf, siz, fmt, ...) \
567 string_format_trc(buf, siz, US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
568 extern BOOL string_format_trc(uschar *, int, const uschar *, unsigned,
569 const char *, ...) ALMOST_PRINTF(5,6);
571 #define string_vformat(g, flgs, fmt, ap) \
572 string_vformat_trc(g, US __FUNCTION__, __LINE__, \
573 STRING_SPRINTF_BUFFER_SIZE, flgs, fmt, ap)
574 extern gstring *string_vformat_trc(gstring *, const uschar *, unsigned,
575 unsigned, unsigned, const char *, va_list);
577 #define string_open_failed(fmt, ...) \
578 string_open_failed_trc(US __FUNCTION__, __LINE__, fmt, __VA_ARGS__)
579 extern uschar *string_open_failed_trc(const uschar *, unsigned,
580 const char *, ...) PRINTF_FUNCTION(3,4);
582 #define string_nextinlist(lp, sp, b, l) \
583 string_nextinlist_trc((lp), (sp), (b), (l), US __FUNCTION__, __LINE__)
584 extern uschar *string_nextinlist_trc(const uschar **listptr, int *separator, uschar *buffer, int buflen,
585 const uschar * func, int line);
587 extern int strcmpic(const uschar *, const uschar *);
588 extern int strncmpic(const uschar *, const uschar *, int);
589 extern uschar *strstric(uschar *, uschar *, BOOL);
591 extern int test_harness_fudged_queue_time(int);
592 extern void tcp_init(void);
593 #ifdef EXIM_TFO_PROBE
594 extern void tfo_probe(void);
596 extern void tls_modify_variables(tls_support *);
597 extern uschar *tod_stamp(int);
599 extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
601 extern void transport_init(void);
602 extern void transport_do_pass_socket(const uschar *, const uschar *,
603 const uschar *, uschar *, int);
604 extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *, int
605 #ifdef EXPERIMENTAL_ESMTP_LIMITS
606 , unsigned, unsigned, unsigned
609 extern uschar *transport_rcpt_address(address_item *, BOOL);
610 extern BOOL transport_set_up_command(const uschar ***, uschar *,
611 BOOL, int, address_item *, uschar *, uschar **);
612 extern void transport_update_waiting(host_item *, uschar *);
613 extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
614 extern void transport_write_reset(int);
615 extern BOOL transport_write_string(int, const char *, ...);
616 extern BOOL transport_headers_send(transport_ctx *,
617 BOOL (*)(transport_ctx *, uschar *, int));
618 extern gstring * transport_show_supported(gstring *);
619 extern BOOL transport_write_message(transport_ctx *, int);
620 extern void tree_add_duplicate(const uschar *, address_item *);
621 extern void tree_add_nonrecipient(const uschar *);
622 extern void tree_add_unusable(const host_item *);
623 extern void tree_dup(tree_node **, tree_node *);
624 extern int tree_insertnode(tree_node **, tree_node *);
625 extern tree_node *tree_search(tree_node *, const uschar *);
626 extern void tree_write(tree_node *, FILE *);
627 extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
629 #ifdef WITH_CONTENT_SCAN
630 extern void unspool_mbox(void);
633 extern void utf8_version_report(FILE *);
636 extern int verify_address(address_item *, FILE *, int, int, int, int,
637 uschar *, uschar *, BOOL *);
638 extern int verify_check_dnsbl(int, const uschar **, uschar **);
639 extern int verify_check_header_address(uschar **, uschar **, int, int, int,
640 uschar *, uschar *, int, int *);
641 extern int verify_check_headers(uschar **);
642 extern int verify_check_header_names_ascii(uschar **);
643 extern int verify_check_host(uschar **);
644 extern int verify_check_notblind(BOOL);
645 extern int verify_check_given_host(const uschar **, const host_item *);
646 extern int verify_check_this_host(const uschar **, unsigned int *,
647 const uschar*, const uschar *, const uschar **);
648 extern address_item *verify_checked_sender(uschar *);
649 extern void verify_get_ident(int);
650 extern void verify_quota(uschar *);
651 extern int verify_quota_call(const uschar *, int, int, uschar **);
652 extern BOOL verify_sender(int *, uschar **);
653 extern BOOL verify_sender_preliminary(int *, uschar **);
654 extern void version_init(void);
656 extern BOOL write_chunk(transport_ctx *, uschar *, int);
657 extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
660 /******************************************************************************/
661 /* Predicate: if an address is in a tainted pool.
662 By extension, a variable pointing to this address is tainted.
666 is_tainted(const void * p)
668 #if defined(COMPILE_UTILITY) || defined(MACRO_PREDEF) || defined(EM_VERSION_C)
672 extern BOOL is_tainted_fn(const void *);
673 return is_tainted_fn(p);
677 /******************************************************************************/
678 /* String functions */
679 static inline uschar * __Ustrcat(uschar * dst, const uschar * src, const char * func, int line)
681 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
682 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcat", CUS func, line);
684 return US strcat(CS dst, CCS src);
686 static inline uschar * __Ustrcpy(uschar * dst, const uschar * src, const char * func, int line)
688 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
689 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrcpy", CUS func, line);
691 return US strcpy(CS dst, CCS src);
693 static inline uschar * __Ustrncat(uschar * dst, const uschar * src, size_t n, const char * func, int line)
695 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
696 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncat", CUS func, line);
698 return US strncat(CS dst, CCS src, n);
700 static inline uschar * __Ustrncpy(uschar * dst, const uschar * src, size_t n, const char * func, int line)
702 #if !defined(COMPILE_UTILITY) && !defined(MACRO_PREDEF)
703 if (!is_tainted(dst) && is_tainted(src)) die_tainted(US"Ustrncpy", CUS func, line);
705 return US strncpy(CS dst, CCS src, n);
707 /*XXX will likely need unchecked copy also */
710 /* Advance the string pointer given over any whitespace.
711 Return the next char as there's enought places using it to be useful. */
713 #define Uskip_whitespace(sp) skip_whitespace(CUSS sp)
715 static inline uschar skip_whitespace(const uschar ** sp)
716 { while (isspace(**sp)) (*sp)++; return **sp; }
719 /******************************************************************************/
721 #if !defined(MACRO_PREDEF) && !defined(COMPILE_UTILITY)
722 /* exim_chown - in some NFSv4 setups *seemes* to be an issue with
723 chown(<exim-uid>, <exim-gid>).
725 Probably because the idmapping is broken, misconfigured or set up in
726 an unusal way. (see Bug 2931). As I'm not sure, if this was a single
727 case of misconfiguration, or if there are more such broken systems
728 out, I try to impose as least impact as possible and for now just write
729 a panic log entry pointing to the bug report. You're encouraged to
730 contact the developers, if you experience this issue.
732 fd the file descriptor (or -1 if not valid)
733 name the file name for error messages or for file operations,
738 returns 0 on success, -1 on failure */
741 exim_fchown(int fd, uid_t owner, gid_t group, const uschar *name)
743 return fchown(fd, owner, group)
744 ? exim_chown_failure(fd, name, owner, group) : 0;
748 exim_chown(const uschar *name, uid_t owner, gid_t group)
750 return chown(CCS name, owner, group)
751 ? exim_chown_failure(-1, name, owner, group) : 0;
753 #endif /* !MACRO_PREDEF && !COMPILE_UTILITY */
755 /******************************************************************************/
756 /* String functions */
758 #if !defined(MACRO_PREDEF)
759 /*************************************************
760 * Copy and save string *
761 *************************************************/
763 /* This function assumes that memcpy() is faster than strcpy().
764 The result is explicitly nul-terminated.
767 static inline uschar *
768 string_copyn_taint_trc(const uschar * s, unsigned len,
769 BOOL tainted, const char * func, int line)
771 uschar * ss = store_get_3(len + 1, tainted, func, line);
777 static inline uschar *
778 string_copy_taint_trc(const uschar * s, BOOL tainted, const char * func, int line)
779 { return string_copyn_taint_trc(s, Ustrlen(s), tainted, func, line); }
781 static inline uschar *
782 string_copyn_trc(const uschar * s, unsigned len, const char * func, int line)
783 { return string_copyn_taint_trc(s, len, is_tainted(s), func, line); }
784 static inline uschar *
785 string_copy_trc(const uschar * s, const char * func, int line)
786 { return string_copy_taint_trc(s, is_tainted(s), func, line); }
789 /* String-copy functions explicitly setting the taint status */
791 #define string_copyn_taint(s, len, tainted) \
792 string_copyn_taint_trc((s), (len), (tainted), __FUNCTION__, __LINE__)
793 #define string_copy_taint(s, tainted) \
794 string_copy_taint_trc((s), (tainted), __FUNCTION__, __LINE__)
796 /* Simple string-copy functions maintaining the taint */
798 #define string_copyn(s, len) \
799 string_copyn_trc((s), (len), __FUNCTION__, __LINE__)
800 #define string_copy(s) \
801 string_copy_trc((s), __FUNCTION__, __LINE__)
804 /*************************************************
805 * Copy, lowercase and save string *
806 *************************************************/
809 Argument: string to copy
810 Returns: copy of string in new store, with letters lowercased
813 static inline uschar *
814 string_copylc(const uschar *s)
816 uschar *ss = store_get(Ustrlen(s) + 1, is_tainted(s));
818 while (*s != 0) *p++ = tolower(*s++);
825 /*************************************************
826 * Copy, lowercase, and save string, given length *
827 *************************************************/
829 /* It is assumed the data contains no zeros. A zero is added
834 n number of characters
836 Returns: copy of string in new store, with letters lowercased
839 static inline uschar *
840 string_copynlc(uschar *s, int n)
842 uschar *ss = store_get(n + 1, is_tainted(s));
844 while (n-- > 0) *p++ = tolower(*s++);
850 # ifndef COMPILE_UTILITY
851 /*************************************************
852 * Copy and save string in longterm store *
853 *************************************************/
855 /* This function assumes that memcpy() is faster than strcpy().
857 Argument: string to copy
858 Returns: copy of string in new store
861 static inline uschar *
862 string_copy_perm(const uschar *s, BOOL force_taint)
864 int old_pool = store_pool;
865 int len = Ustrlen(s) + 1;
868 store_pool = POOL_PERM;
869 ss = store_get(len, force_taint || is_tainted(s));
871 store_pool = old_pool;
878 /* sprintf into a buffer, taint-unchecked */
881 string_format_nt(uschar * buf, int siz, const char * fmt, ...)
883 gstring gs = { .size = siz, .ptr = 0, .s = buf };
886 (void) string_vformat(&gs, SVFMT_TAINT_NOCHK, fmt, ap);
892 /******************************************************************************/
893 /* Growable-string functions */
895 /* Create a growable-string with some preassigned space */
897 #define string_get_tainted(size, tainted) \
898 string_get_tainted_trc((size), (tainted), __FUNCTION__, __LINE__)
900 static inline gstring *
901 string_get_tainted_trc(unsigned size, BOOL tainted, const char * func, unsigned line)
903 gstring * g = store_get_3(sizeof(gstring) + size, tainted, func, line);
910 #define string_get(size) \
911 string_get_trc((size), __FUNCTION__, __LINE__)
913 static inline gstring *
914 string_get_trc(unsigned size, const char * func, unsigned line)
916 return string_get_tainted_trc(size, FALSE, func, line);
919 /* NUL-terminate the C string in the growable-string, and return it. */
921 static inline uschar *
922 string_from_gstring(gstring * g)
929 static inline unsigned
930 gstring_length(const gstring * g)
932 return g ? (unsigned)g->ptr : 0;
936 #define gstring_release_unused(g) \
937 gstring_release_unused_trc(g, __FUNCTION__, __LINE__)
940 gstring_release_unused_trc(gstring * g, const char * file, unsigned line)
942 if (g) store_release_above_3(g->s + (g->size = g->ptr + 1), file, line);
946 /* sprintf-append to a growable-string */
948 #define string_fmt_append(g, fmt, ...) \
949 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
950 SVFMT_EXTEND|SVFMT_REBUFFER, fmt, __VA_ARGS__)
952 #define string_fmt_append_f(g, flgs, fmt, ...) \
953 string_fmt_append_f_trc(g, US __FUNCTION__, __LINE__, \
954 flgs, fmt, __VA_ARGS__)
956 static inline gstring *
957 string_fmt_append_f_trc(gstring * g, const uschar * func, unsigned line,
958 unsigned flags, const char *format, ...)
961 va_start(ap, format);
962 g = string_vformat_trc(g, func, line, STRING_SPRINTF_BUFFER_SIZE,
969 /* Copy the content of a string to tainted memory */
972 gstring_rebuffer(gstring * g)
974 uschar * s = store_get(g->size, TRUE);
975 memcpy(s, g->s, g->ptr);
980 # ifndef COMPILE_UTILITY
981 /******************************************************************************/
982 /* Use store_malloc for DNSA structs, and explicit frees. Using the same pool
983 for them as the strings we proceed to copy from them meant they could not be
984 released, hence blowing 64k for every DNS lookup. That mounted up. With malloc
985 we do have to take care over marking tainted all copied strings. A separate pool
986 could be used and would handle that implicitly. */
988 #define store_get_dns_answer() store_get_dns_answer_trc(CUS __FUNCTION__, __LINE__)
990 static inline dns_answer *
991 store_get_dns_answer_trc(const uschar * func, unsigned line)
993 /* return store_get_3(sizeof(dns_answer), TRUE, CCS func, line); use tainted mem */
994 return store_malloc_3(sizeof(dns_answer), CCS func, line);
997 #define store_free_dns_answer(dnsa) store_free_dns_answer_trc(dnsa, CUS __FUNCTION__, __LINE__)
1000 store_free_dns_answer_trc(dns_answer * dnsa, const uschar * func, unsigned line)
1002 store_free_3(dnsa, CCS func, line);
1005 /******************************************************************************/
1006 /* Routines with knowledge of spool layout */
1009 spool_pname_buf(uschar * buf, int len)
1011 snprintf(CS buf, len, "%s/%s/input", spool_directory, queue_name);
1014 static inline uschar *
1015 spool_dname(const uschar * purpose, uschar * subdir)
1017 return string_sprintf("%s/%s/%s/%s",
1018 spool_directory, queue_name, purpose, subdir);
1022 static inline uschar *
1023 spool_q_sname(const uschar * purpose, const uschar * q, uschar * subdir)
1025 return string_sprintf("%s%s%s%s%s",
1028 *subdir ? "/" : "", subdir);
1031 static inline uschar *
1032 spool_sname(const uschar * purpose, uschar * subdir)
1034 return spool_q_sname(purpose, queue_name, subdir);
1037 static inline uschar *
1038 spool_q_fname(const uschar * purpose, const uschar * q,
1039 const uschar * subdir, const uschar * fname, const uschar * suffix)
1041 return string_sprintf("%s/%s/%s/%s/%s%s",
1042 spool_directory, q, purpose, subdir, fname, suffix);
1045 static inline uschar *
1046 spool_fname(const uschar * purpose, const uschar * subdir, const uschar * fname,
1047 const uschar * suffix)
1049 #ifdef COMPILE_UTILITY /* version avoiding string-extension */
1050 int len = Ustrlen(spool_directory) + 1 + Ustrlen(queue_name) + 1 + Ustrlen(purpose) + 1
1051 + Ustrlen(subdir) + 1 + Ustrlen(fname) + Ustrlen(suffix) + 1;
1052 uschar * buf = store_get(len, FALSE);
1053 string_format(buf, len, "%s/%s/%s/%s/%s%s",
1054 spool_directory, queue_name, purpose, subdir, fname, suffix);
1057 return spool_q_fname(purpose, queue_name, subdir, fname, suffix);
1062 set_subdir_str(uschar * subdir_str, const uschar * name,
1063 int search_sequence)
1065 subdir_str[0] = split_spool_directory == (search_sequence == 0)
1067 subdir_str[1] = '\0';
1070 /******************************************************************************/
1071 /* Time calculations */
1073 /* Diff two times (later, earlier) returning diff in 1st arg */
1075 timediff(struct timeval * later, const struct timeval * earlier)
1077 later->tv_sec -= earlier->tv_sec;
1078 if ((later->tv_usec -= earlier->tv_usec) < 0)
1081 later->tv_usec += 1000*1000;
1086 timesince(struct timeval * diff, const struct timeval * then)
1088 gettimeofday(diff, NULL);
1089 timediff(diff, then);
1092 static inline uschar *
1093 string_timediff(const struct timeval * diff)
1095 static uschar buf[sizeof("0.000s")];
1097 if (diff->tv_sec >= 5 || !LOGGING(millisec))
1098 return readconf_printtime((int)diff->tv_sec);
1100 snprintf(CS buf, sizeof(buf), "%u.%03us", (uint)diff->tv_sec, (uint)diff->tv_usec/1000);
1105 static inline uschar *
1106 string_timesince(const struct timeval * then)
1108 struct timeval diff;
1109 timesince(&diff, then);
1110 return string_timediff(&diff);
1114 report_time_since(const struct timeval * t0, const uschar * where)
1116 # ifdef MEASURE_TIMING
1117 struct timeval diff;
1118 timesince(&diff, t0);
1119 fprintf(stderr, "%d %s:\t%ld.%06ld\n",
1120 (uint)getpid(), where, (long)diff.tv_sec, (long)diff.tv_usec);
1126 testharness_pause_ms(int millisec)
1128 #ifndef MEASURE_TIMING
1129 if (f.running_in_test_harness && f.testsuite_delays) millisleep(millisec);
1133 /******************************************************************************/
1134 /* Taint-checked file opens */
1135 static inline uschar *
1136 is_tainted2(const void *p, int lflags, const char* fmt, ...)
1145 mark = store_mark();
1147 msg = string_from_gstring(string_vformat(NULL, SVFMT_TAINT_NOCHK|SVFMT_EXTEND, fmt, ap));
1150 #ifdef ALLOW_INSECURE_TAINTED_DATA
1151 if (allow_insecure_tainted_data)
1153 if LOGGING(tainted) log_write(0, LOG_MAIN, "Warning: %s", msg);
1159 if (lflags) log_write(0, lflags, "%s", msg);
1160 return msg; /* no store_reset(), as the message might be used afterwards and Exim
1161 is expected to exit anyway, so we do not care about the leaked
1166 exim_open2(const char *pathname, int flags)
1168 if (!is_tainted2(pathname, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname))
1169 return open(pathname, flags);
1175 exim_open(const char *pathname, int flags, mode_t mode)
1177 if (!is_tainted2(pathname, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname))
1178 return open(pathname, flags, mode);
1182 #ifdef EXIM_HAVE_OPENAT
1184 exim_openat(int dirfd, const char *pathname, int flags)
1186 if (!is_tainted2(pathname, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname))
1187 return openat(dirfd, pathname, flags);
1192 exim_openat4(int dirfd, const char *pathname, int flags, mode_t mode)
1194 if (!is_tainted2(pathname, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname))
1195 return openat(dirfd, pathname, flags, mode);
1201 static inline FILE *
1202 exim_fopen(const char *pathname, const char *mode)
1204 if (!is_tainted2(pathname, LOG_MAIN|LOG_PANIC, "Tainted filename '%s'", pathname))
1205 return fopen(pathname, mode);
1211 exim_opendir(const uschar * name)
1213 if (!is_tainted2(name, LOG_MAIN|LOG_PANIC, "Tainted dirname '%s'", name))
1214 return opendir(CCS name);
1219 /******************************************************************************/
1220 # if !defined(COMPILE_UTILITY)
1221 /* Process manipulation */
1224 exim_fork(const unsigned char * purpose)
1227 DEBUG(D_any) debug_printf("%s forking for %s\n", process_purpose, purpose);
1228 if ((pid = fork()) == 0)
1230 process_purpose = purpose;
1231 DEBUG(D_any) debug_printf("postfork: %s\n", purpose);
1235 testharness_pause_ms(100); /* let child work */
1236 DEBUG(D_any) debug_printf("%s forked for %s: %d\n", process_purpose, purpose, (int)pid);
1243 child_open_exim(int * fdptr, const uschar * purpose)
1244 { return child_open_exim_function(fdptr, purpose); }
1247 child_open_exim2(int * fdptr, uschar * sender,
1248 uschar * sender_auth, const uschar * purpose)
1249 { return child_open_exim2_function(fdptr, sender, sender_auth, purpose); }
1252 child_open(uschar **argv, uschar **envp, int newumask, int *infdptr,
1253 int *outfdptr, BOOL make_leader, const uschar * purpose)
1254 { return child_open_function(argv, envp, newumask, infdptr,
1255 outfdptr, make_leader, purpose);
1258 # endif /* !COMPILE_UTILITY */
1260 /******************************************************************************/
1261 #endif /* !MACRO_PREDEF */
1263 #endif /* _FUNCTIONS_H_ */
1267 /* End of functions.h */