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Compiler quietening
[exim.git] / src / src / functions.h
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
f9ba5e22 5/* Copyright (c) University of Cambridge 1995 - 2018 */
059ec3d9
PH		 6/* See the file NOTICE for conditions of use and distribution. */
7
8
9/* Prototypes for functions that appear in various modules. Gathered together
10to avoid having a lot of tiddly little headers with only a couple of lines in
11them. However, some functions that are used (or not used) by utility programs
12are in in fact in separate headers. */
b66fecb4
HSHR		 13#ifndef _FUNCTIONS_H_
14#define _FUNCTIONS_H_
059ec3d9
PH		 15
16
17#ifdef EXIM_PERL
acec9514 18extern gstring *call_perl_cat(gstring *, uschar **, uschar *,
268d00ff 19 uschar **) WARN_UNUSED_RESULT;
059ec3d9
PH		 20extern void cleanup_perl(void);
21extern uschar *init_perl(uschar *);
22#endif
23
24
25#ifdef SUPPORT_TLS
a799883d
PP		 26extern const char *
27 std_dh_prime_default(void);
28extern const char *
29 std_dh_prime_named(const uschar *);
9d1c15ef 30
9e4dddbd 31extern uschar * tls_cert_crl_uri(void *, uschar * mod);
9d1c15ef 32extern uschar * tls_cert_ext_by_oid(void *, uschar *, int);
9e4dddbd
JH		 33extern uschar * tls_cert_issuer(void *, uschar * mod);
34extern uschar * tls_cert_not_before(void *, uschar * mod);
35extern uschar * tls_cert_not_after(void *, uschar * mod);
36extern uschar * tls_cert_ocsp_uri(void *, uschar * mod);
37extern uschar * tls_cert_serial_number(void *, uschar * mod);
38extern uschar * tls_cert_signature(void *, uschar * mod);
39extern uschar * tls_cert_signature_algorithm(void *, uschar * mod);
40extern uschar * tls_cert_subject(void *, uschar * mod);
41extern uschar * tls_cert_subject_altname(void *, uschar * mod);
42extern uschar * tls_cert_version(void *, uschar * mod);
9d1c15ef 43
59b87190 44extern uschar * tls_cert_der_b64(void * cert);
6a8a60e0
JH		 45extern uschar * tls_cert_fprt_md5(void *);
46extern uschar * tls_cert_fprt_sha1(void *);
9ef9101c 47extern uschar * tls_cert_fprt_sha256(void *);
6a8a60e0 48
c05bdbd6
JH		 49extern BOOL tls_client_start(client_conn_ctx *, smtp_connect_args *,
50 void *, tls_support *, uschar **);
51
74f1a423 52extern void tls_close(void *, int);
925ac8e4 53extern BOOL tls_could_read(void);
9d1c15ef 54extern int tls_export_cert(uschar *, size_t, void *);
059ec3d9
PH		 55extern int tls_feof(void);
56extern int tls_ferror(void);
790fbb71 57extern void tls_free_cert(void **);
bd8fbe36 58extern int tls_getc(unsigned);
0d81dabc 59extern uschar *tls_getbuf(unsigned *);
584e96c6 60extern void tls_get_cache(void);
9d1c15ef 61extern int tls_import_cert(const uschar *, void **);
74f1a423 62extern int tls_read(void *, uschar *, size_t);
cf0c6164 63extern int tls_server_start(const uschar *, uschar **);
58eb016e 64extern BOOL tls_smtp_buffered(void);
059ec3d9 65extern int tls_ungetc(int);
74f1a423 66extern int tls_write(void *, const uschar *, size_t, BOOL);
3375e053 67extern uschar *tls_validate_require_cipher(void);
36f12725 68extern void tls_version_report(FILE *);
e51c7be2 69# ifndef USE_GNUTLS
77bb000f 70extern BOOL tls_openssl_options_parse(uschar *, long *);
e51c7be2 71# endif
55414b25
JH		 72extern uschar * tls_field_from_dn(uschar *, const uschar *);
73extern BOOL tls_is_name_for_cert(const uschar *, void *);
0e66b3b6 74
c0635b6d 75# ifdef SUPPORT_DANE
4b0fe319 76extern int tlsa_lookup(const host_item *, dns_answer *, BOOL);
0e66b3b6
JH		 77# endif
78
35aba663 79#endif /*SUPPORT_TLS*/
059ec3d9
PH		 80
81
82/* Everything else... */
83
84extern acl_block *acl_read(uschar *(*)(void), uschar **);
85extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
05caaeaa 86extern int acl_eval(int, uschar *, uschar **, uschar **);
333eea9c 87
38a0a95f
PH		 88extern tree_node *acl_var_create(uschar *);
89extern void acl_var_write(uschar *, uschar *, void *);
617d3932
JH		 90
91#ifdef EXPERIMENTAL_ARC
92extern void *arc_ams_setup_sign_bodyhash(void);
93extern const uschar *arc_header_feed(gstring *, BOOL);
94extern gstring *arc_sign(const uschar *, gstring *, uschar **);
b3d9ebf5 95extern void arc_sign_init(void);
617d3932 96extern const uschar *acl_verify_arc(void);
9cffa436 97extern uschar * fn_arc_domains(void);
617d3932
JH		 98#endif
99
cf0812d5 100extern void assert_no_variables(void *, int, const char *, int);
e1af7642 101extern int auth_call_pam(const uschar *, uschar **);
059ec3d9 102extern int auth_call_pwcheck(uschar *, uschar **);
93a6fce2
JH		 103extern int auth_call_radius(const uschar *, uschar **);
104extern int auth_call_saslauthd(const uschar *, const uschar *,
105 const uschar *, const uschar *, uschar **);
16ff981e 106extern int auth_check_serv_cond(auth_instance *);
44bbabb5 107extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
37942ad8
JH		 108extern int auth_client_item(void *, auth_instance *, const uschar **,
109 unsigned, int, uschar *, int);
44bbabb5 110
e1d04f48 111
1f20760b 112extern int auth_get_data(uschar **, const uschar *, int);
059ec3d9 113extern int auth_get_no64_data(uschar **, uschar *);
8238bc7b 114extern int auth_prompt(const uschar *);
37942ad8 115extern int auth_read_input(const uschar *);
adf73d37 116extern void auth_show_supported(FILE *);
059ec3d9
PH		 117extern uschar *auth_xtextencode(uschar *, int);
118extern int auth_xtextdecode(uschar *, uschar **);
119
c9cf9ac4
JH		 120#ifdef EXPERIMENTAL_ARC
121extern gstring *authres_arc(gstring *);
dfbcb5ac
JH		 122#endif
123#ifndef DISABLE_DKIM
124extern gstring *authres_dkim(gstring *);
125#endif
c9cf9ac4
JH		 126#ifdef EXPERIMENTAL_DMARC
127extern gstring *authres_dmarc(gstring *);
128#endif
129extern gstring *authres_smtpauth(gstring *);
130#ifdef SUPPORT_SPF
131extern gstring *authres_spf(gstring *);
617d3932 132#endif
dfbcb5ac 133
1f20760b 134extern uschar *b64encode(const uschar *, int);
35cf75e9 135extern int b64decode(const uschar *, uschar **);
bd8fbe36 136extern int bdat_getc(unsigned);
0d81dabc 137extern uschar *bdat_getbuf(unsigned *);
f6f4a58d 138extern int bdat_ungetc(int);
1ebe15c3
JH		 139extern void bdat_flush_data(void);
140
6c6d6e48
TF		 141extern void bits_clear(unsigned int *, size_t, int *);
142extern void bits_set(unsigned int *, size_t, int *);
143
57cc2785 144extern void cancel_cutthrough_connection(BOOL, const uschar *);
55414b25 145extern int check_host(void *, const uschar *, const uschar **, uschar **);
059ec3d9 146extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
55414b25
JH		 147extern pid_t child_open_uid(const uschar **, const uschar **, int,
148 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
bc3c7bb7 149extern BOOL cleanup_environment(void);
6851a9c5
JH		 150extern void cutthrough_data_puts(uschar *, int);
151extern void cutthrough_data_put_nl(void);
e4bdf652
JH		 152extern uschar *cutthrough_finaldot(void);
153extern BOOL cutthrough_flush_send(void);
154extern BOOL cutthrough_headers_send(void);
155extern BOOL cutthrough_predata(void);
57cc2785 156extern void release_cutthrough_connection(const uschar *);
059ec3d9
PH		 157
158extern void daemon_go(void);
6a8f9482
TK		 159
160#ifdef EXPERIMENTAL_DCC
161extern int dcc_process(uschar **);
162#endif
163
ed7f7860 164extern void debug_logging_activate(uschar *, uschar *);
b0d68adc 165extern void debug_logging_stop(void);
55414b25 166extern void debug_print_argv(const uschar **);
059ec3d9 167extern void debug_print_ids(uschar *);
e1d04f48 168extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 169extern void debug_print_string(uschar *);
170extern void debug_print_tree(tree_node *);
398f9af3 171extern void debug_vprintf(int, const char *, va_list);
6c6d6e48
TF		 172extern void decode_bits(unsigned int *, size_t, int *,
173 uschar *, bit_table *, int, uschar *, int);
059ec3d9 174extern address_item *deliver_make_addr(uschar *, BOOL);
476be7e2 175extern void deliver_init(void);
817d9f57 176extern void delivery_log(int, address_item *, int, uschar *);
059ec3d9 177extern int deliver_message(uschar *, BOOL, BOOL);
e0df1c83 178extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 179extern void deliver_set_expansions(address_item *);
180extern int deliver_split_address(address_item *);
181extern void deliver_succeeded(address_item *);
a39bd74d
JB		 182
183extern uschar *deliver_get_sender_address (uschar *id);
57cc2785 184extern void delivery_re_exec(int);
a39bd74d 185
1ba28e2b 186extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
80a47a2c 187#ifndef DISABLE_DKIM
617d3932
JH		 188extern uschar *dkim_exim_query_dns_txt(uschar *);
189extern void dkim_exim_sign_init(void);
190
42055a33 191extern BOOL dkim_transport_write_message(transport_ctx *,
b9df1829 192 struct ob_dkim *, const uschar ** errstr);
f7572e5a 193#endif
059ec3d9 194extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
476be7e2 195extern int dns_basic_lookup(dns_answer *, const uschar *, int);
55414b25 196extern void dns_build_reverse(const uschar *, uschar *);
8c51eead 197extern void dns_init(BOOL, BOOL, BOOL);
0539a19d 198extern BOOL dns_is_aa(const dns_answer *);
1dc92d5a 199extern BOOL dns_is_secure(const dns_answer *);
55414b25 200extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
476be7e2 201extern void dns_pattern_init(void);
55414b25 202extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
dd708fd7 203extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
059ec3d9 204extern uschar *dns_text_type(int);
36a3ae5f 205extern void dscp_list_to_stream(FILE *);
9e4f5962 206extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
059ec3d9
PH		 207
208extern void enq_end(uschar *);
e8ae7214 209extern BOOL enq_start(uschar *, unsigned);
0cbf2b82 210#ifndef DISABLE_EVENT
55414b25 211extern uschar *event_raise(uschar *, const uschar *, uschar *);
5ef5dd52 212extern void msg_event_raise(const uschar *, const address_item *);
774ef2d7 213#endif
b66fecb4
HSHR		 214
215extern int exim_chown_failure(int, const uschar*, uid_t, gid_t);
37f3dc43 216extern const uschar * exim_errstr(int);
9bfb7e1b 217extern void exim_exit(int, const uschar *);
059ec3d9
PH		 218extern void exim_nullstd(void);
219extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
059ec3d9 220extern void exim_wait_tick(struct timeval *, int);
9c695f6d
JH		 221extern int exp_bool(address_item *addr,
222 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
223 uschar *svalue, BOOL *rvalue);
059ec3d9 224extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
617d3932 225extern uschar *expand_file_big_buffer(const uschar *);
93a6fce2
JH		 226extern uschar *expand_string(uschar *); /* public, cannot make const */
227extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
f42deca9 228extern uschar *expand_hide_passwords(uschar * );
55414b25 229extern uschar *expand_string_copy(const uschar *);
97d17305 230extern int_eximarith_t expand_string_integer(uschar *, BOOL);
d9b2312b 231extern void modify_variable(uschar *, void *);
059ec3d9 232
4e71661f
JH		 233extern BOOL fd_ready(int, int);
234
059ec3d9
PH		 235extern int filter_interpret(uschar *, int, address_item **, uschar **);
236extern BOOL filter_personal(string_item *, BOOL);
f05da2e8 237extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
059ec3d9
PH		 238extern BOOL filter_system_interpret(address_item **, uschar **);
239
362145b5
JH		 240extern uschar * fn_hdrs_added(void);
241
617d3932
JH		 242extern void gstring_reset_unused(gstring *);
243
1ba28e2b 244extern void header_add(int, const char *, ...);
049782c0 245extern header_line *header_add_at_position_internal(BOOL, uschar *, BOOL, int, const char *, ...);
059ec3d9
PH		 246extern int header_checkname(header_line *, BOOL);
247extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
7cd1141b 248extern int host_address_extract_port(uschar *);
059ec3d9 249extern uschar *host_and_ident(BOOL);
55414b25
JH		 250extern int host_aton(const uschar *, int *);
251extern void host_build_hostlist(host_item **, const uschar *, BOOL);
252extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
059ec3d9
PH		 253extern void host_build_log_info(void);
254extern void host_build_sender_fullhost(void);
a207d5dd 255extern int host_find_byname(host_item *, const uschar *, int,
1f155f8e 256 const uschar **, BOOL);
55414b25 257extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
7cd171b7 258 uschar *, const dnssec_domains *, const uschar **, BOOL *);
059ec3d9 259extern ip_address_item *host_find_interfaces(void);
55414b25 260extern BOOL host_is_in_net(const uschar *, const uschar *, int);
059ec3d9 261extern BOOL host_is_tls_on_connect_port(int);
7cd1141b 262extern int host_item_get_port(host_item *);
059ec3d9
PH		 263extern void host_mask(int, int *, int);
264extern int host_name_lookup(void);
6f0c9a4f 265extern int host_nmtoa(int, int *, int, uschar *, int);
059ec3d9
PH		 266extern uschar *host_ntoa(int, const void *, uschar *, int *);
267extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
268
94431adb 269extern uschar *imap_utf7_encode(uschar *, const uschar *,
ed0512a1
JH		 270 uschar, uschar *, uschar **);
271
83e029d5 272extern void invert_address(uschar *, uschar *);
7eb6c37c 273extern int ip_addr(void *, int, const uschar *, int);
059ec3d9 274extern int ip_bind(int, int, uschar *, int);
0ab63f3d 275extern int ip_connect(int, int, const uschar *, int, int, const blob *);
b1f8e4f8 276extern int ip_connectedsocket(int, const uschar *, int, int,
4a5cbaff 277 int, host_item *, uschar **, const blob *);
13363eba 278extern int ip_get_address_family(int);
55414b25 279extern void ip_keepalive(int, const uschar *, BOOL);
74f1a423 280extern int ip_recv(client_conn_ctx *, uschar *, int, int);
059ec3d9
PH		 281extern int ip_socket(int, int);
282
3e60dd41
JH		 283extern int ip_tcpsocket(const uschar *, uschar **, int);
284extern int ip_unixsocket(const uschar *, uschar **);
285extern int ip_streamsocket(const uschar *, uschar **, int);
286
fc4a7f70
JH		 287extern int ipv6_nmtoa(int *, uschar *);
288
921b12ca 289extern uschar *local_part_quote(uschar *);
4840604e 290extern int log_create(uschar *);
921b12ca 291extern int log_create_as_exim(uschar *);
059ec3d9
PH		 292extern void log_close_all(void);
293
d185889f 294extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
c246a1de
JH		 295extern BOOL macro_read_assignment(uschar *);
296extern uschar *macros_expand(int, int *, BOOL *);
9cd319d9 297extern void mainlog_close(void);
8523533c 298#ifdef WITH_CONTENT_SCAN
0f0c8159 299extern int malware(const uschar *, int);
dbc4b90d 300extern int malware_in_file(uschar *);
476be7e2 301extern void malware_init(void);
c11d665d 302extern void malware_show_supported(FILE *);
8523533c 303#endif
55414b25
JH		 304extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
305 unsigned int *, int, int, const uschar **);
36d295f1 306extern int match_address_list_basic(const uschar *, const uschar **, int);
55414b25
JH		 307extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
308 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
309 const uschar *, const uschar **);
310extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
311 unsigned int *, int, BOOL, const uschar **);
312extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
313 const uschar **);
059ec3d9
PH		 314extern void md5_end(md5 *, const uschar *, int, uschar *);
315extern void md5_mid(md5 *, const uschar *);
316extern void md5_start(md5 *);
317extern void millisleep(int);
8523533c
TK		 318#ifdef WITH_CONTENT_SCAN
319struct mime_boundary_context;
54cdb463
PH		 320extern int mime_acl_check(uschar *acl, FILE *f,
321 struct mime_boundary_context *, uschar **, uschar **);
55414b25 322extern int mime_decode(const uschar **);
f4d091fb 323extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
55414b25 324extern int mime_regex(const uschar **);
f4d091fb 325extern void mime_set_anomaly(int);
8523533c 326#endif
059ec3d9
PH		 327extern uschar *moan_check_errorcopy(uschar *);
328extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
329 BOOL, uschar *);
e0df1c83 330extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
5455f548
JH		 331extern BOOL moan_send_message(uschar *, int, error_block *eblock,
332 header_line *, FILE *, uschar *);
1ba28e2b 333extern void moan_tell_someone(uschar *, address_item *,
e0df1c83 334 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
059ec3d9 335extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
0e22dfd1 336extern void moan_write_from(FILE *);
1ba28e2b 337extern FILE *modefopen(const uschar *, const char *, mode_t);
059ec3d9 338
f9334a28 339extern int open_cutthrough_connection( address_item * addr );
e4bdf652 340
059ec3d9
PH		 341extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
342 BOOL);
343extern int parse_forward_list(uschar *, int, address_item **, uschar **,
55414b25 344 const uschar *, uschar *, error_block **);
059ec3d9
PH		 345extern uschar *parse_find_address_end(uschar *, BOOL);
346extern uschar *parse_find_at(uschar *);
55414b25 347extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
30dba1e6 348extern uschar *parse_message_id(uschar *, uschar **, uschar **);
55414b25 349extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
43ad7b7d 350extern uschar *parse_date_time(uschar *str, time_t *t);
17c76198
PP		 351extern int vaguely_random_number(int);
352#ifdef SUPPORT_TLS
353extern int vaguely_random_number_fallback(int);
354#endif
059ec3d9
PH		 355
356extern BOOL queue_action(uschar *, int, uschar **, int, int);
357extern void queue_check_only(void);
358extern void queue_list(int, uschar **, int);
359extern void queue_count(void);
360extern void queue_run(uschar *, uschar *, BOOL);
361
362extern int random_number(int);
aeb65e91 363extern const uschar *rc_to_string(int);
e4a89c47 364extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
efd9a422
MH		 365 uschar *, uschar *, uschar *, ugid_block *, address_item **,
366 uschar **, error_block **, int *, uschar *);
059ec3d9
PH		 367extern int rda_is_filter(const uschar *);
368extern BOOL readconf_depends(driver_instance *, uschar *);
369extern void readconf_driver_init(uschar *, driver_instance **,
370 driver_info *, int, void *, int, optionlist *, int);
371extern uschar *readconf_find_option(void *);
34e86e20 372extern void readconf_main(BOOL);
383832ef 373extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
2be324ee 374extern BOOL readconf_print(uschar *, uschar *, BOOL);
059ec3d9
PH		 375extern uschar *readconf_printtime(int);
376extern uschar *readconf_readname(uschar *, int, uschar *);
1ad6489e 377extern int readconf_readtime(const uschar *, int, BOOL);
bf3c2c6b 378extern void readconf_rest(void);
55414b25 379extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
bf3c2c6b 380extern void readconf_save_config(const uschar *);
328895cc 381extern void read_message_body(BOOL);
8f128379 382extern void receive_bomb_out(uschar *, uschar *);
059ec3d9
PH		 383extern BOOL receive_check_fs(int);
384extern BOOL receive_check_set_sender(uschar *);
385extern BOOL receive_msg(BOOL);
a45431fa 386extern int_eximarith_t receive_statvfs(BOOL, int *);
059ec3d9 387extern void receive_swallow_smtp(void);
8523533c 388#ifdef WITH_CONTENT_SCAN
55414b25 389extern int regex(const uschar **);
8523533c 390#endif
1dc92d5a 391extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
476be7e2 392extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
059ec3d9 393extern void retry_add_item(address_item *, uschar *, int);
55414b25 394extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
059ec3d9 395 uschar **, uschar **);
55414b25
JH		 396extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
397extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
ba9af0af 398 dbdata_retry *, time_t);
059ec3d9
PH		 399extern void retry_update(address_item **, address_item **, address_item **);
400extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
401extern uschar *rewrite_address_qualify(uschar *, BOOL);
55414b25
JH		 402extern header_line *rewrite_header(header_line *,
403 const uschar *, const uschar *,
059ec3d9
PH		 404 rewrite_rule *, int, BOOL);
405extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
406 rewrite_rule *);
407extern void rewrite_test(uschar *);
408extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
409 uschar **);
410extern int route_address(address_item *, address_item **, address_item **,
411 address_item **, address_item **, int);
55414b25
JH		 412extern int route_check_prefix(const uschar *, const uschar *);
413extern int route_check_suffix(const uschar *, const uschar *);
059ec3d9 414extern BOOL route_findgroup(uschar *, gid_t *);
55414b25 415extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
059ec3d9
PH		 416extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
417 uschar **);
418extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
419 struct passwd **, uid_t *, uschar **);
420extern void route_init(void);
adf73d37 421extern void route_show_supported(FILE *);
059ec3d9
PH		 422extern void route_tidyup(void);
423
55414b25 424extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
059ec3d9 425 int, int *);
55414b25
JH		 426extern int search_findtype(const uschar *, int);
427extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
059ec3d9
PH		 428 int *);
429extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
430extern void search_tidyup(void);
e0df1c83 431extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
5fb822fc
JH		 432extern void sha1_end(hctx *, const uschar *, int, uschar *);
433extern void sha1_mid(hctx *, const uschar *);
434extern void sha1_start(hctx *);
e4a89c47 435extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
efd9a422 436 uschar *, address_item **, uschar **);
059ec3d9 437extern void sigalrm_handler(int);
58eb016e 438extern BOOL smtp_buffered(void);
059ec3d9 439extern void smtp_closedown(uschar *);
9723f966
JH		 440extern void smtp_command_timeout_exit(void);
441extern void smtp_command_sigterm_exit(void);
442extern void smtp_data_timeout_exit(void);
443extern void smtp_data_sigint_exit(void);
a09f2942 444extern uschar *smtp_cmd_hist(void);
ee8b8090 445extern int smtp_connect(smtp_connect_args *, const blob *);
7eb6c37c 446extern int smtp_sock_connect(host_item *, int, int, uschar *,
0ab63f3d 447 transport_instance * tb, int, const blob *);
059ec3d9
PH		 448extern int smtp_feof(void);
449extern int smtp_ferror(void);
450extern uschar *smtp_get_connection_info(void);
6f6dedcc 451extern BOOL smtp_get_interface(uschar *, int, address_item *,
059ec3d9
PH		 452 uschar **, uschar *);
453extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
bd8fbe36 454extern int smtp_getc(unsigned);
0d81dabc 455extern uschar *smtp_getbuf(unsigned *);
584e96c6 456extern void smtp_get_cache(void);
059ec3d9 457extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
b4ed4da0 458extern void smtp_log_no_mail(void);
4f6ae5c3 459extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
74f1a423 460extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int);
251b9eb4 461extern BOOL smtp_read_response(void *, uschar *, int, int, int);
e04bfa34 462extern void smtp_reset(void *);
a5bd321b 463extern void smtp_respond(uschar *, int, BOOL, uschar *);
8f128379 464extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
58c30e47 465extern void smtp_port_for_connect(host_item *, int);
059ec3d9
PH		 466extern void smtp_send_prohibition_message(int, uschar *);
467extern int smtp_setup_msg(void);
468extern BOOL smtp_start_session(void);
469extern int smtp_ungetc(int);
d7b47fd0 470extern BOOL smtp_verify_helo(void);
251b9eb4 471extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4);
8523533c 472#ifdef WITH_CONTENT_SCAN
55414b25 473extern int spam(const uschar **);
040721f2 474extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
8523533c 475#endif
4b4856ff 476extern void spool_clear_header_globals(void);
3369a853 477extern uschar *spool_dname(const uschar *, uschar *);
b4758425 478extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
4b4856ff 479extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
789f8a4f 480extern int spool_open_datafile(uschar *);
059ec3d9
PH		 481extern int spool_open_temp(uschar *);
482extern int spool_read_header(uschar *, BOOL, BOOL);
4b4856ff 483extern uschar *spool_sname(const uschar *, uschar *);
059ec3d9 484extern int spool_write_header(uschar *, int, uschar **);
bd8fbe36 485extern int stdin_getc(unsigned);
059ec3d9
PH		 486extern int stdin_feof(void);
487extern int stdin_ferror(void);
488extern int stdin_ungetc(int);
acec9514
JH		 489extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
490extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
491extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
bce15b62 492extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT;
059ec3d9 493extern uschar *string_base62(unsigned long int);
acec9514
JH		 494extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
495extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
84bbb4d8 496extern int string_compare_by_pointer(const void *, const void *);
059ec3d9 497extern uschar *string_copy_dnsdomain(uschar *);
55414b25 498extern uschar *string_copy_malloc(const uschar *);
1dc92d5a 499extern uschar *string_copylc(const uschar *);
059ec3d9 500extern uschar *string_copynlc(uschar *, int);
55414b25 501extern uschar *string_dequote(const uschar **);
d12746bc 502extern gstring *string_fmt_append(gstring *, const char *, ...) ALMOST_PRINTF(2,3);
81f91683 503extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
059ec3d9 504extern uschar *string_format_size(int, uschar *);
acec9514
JH		 505extern uschar *string_from_gstring(gstring *);
506extern gstring *string_get(unsigned);
55414b25 507extern int string_interpret_escape(const uschar **);
b1f8e4f8 508extern int string_is_ip_address(const uschar *, int *);
8c5d388a 509#ifdef SUPPORT_I18N
0d7911ea
JH		 510extern BOOL string_is_utf8(const uschar *);
511#endif
55414b25 512extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
e0df1c83 513extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
55414b25 514extern const uschar *string_printing2(const uschar *, BOOL);
e28326d8 515extern uschar *string_split_message(uschar *);
306c6c77 516extern uschar *string_timediff(struct timeval *);
0f1a8658 517extern uschar *string_timesince(struct timeval *);
c7396ac5 518extern uschar *string_unprinting(uschar *);
8c5d388a 519#ifdef SUPPORT_I18N
3c8b3577 520extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
0d7911ea
JH		 521extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
522extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
523extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
524extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
525#endif
d12746bc 526extern gstring *string_vformat(gstring *, BOOL, const char *, va_list);
1ba28e2b
PP		 527extern int strcmpic(const uschar *, const uschar *);
528extern int strncmpic(const uschar *, const uschar *, int);
059ec3d9
PH		 529extern uschar *strstric(uschar *, uschar *, BOOL);
530
10ac8d7f
JH		 531#ifdef EXIM_TFO_PROBE
532extern void tfo_probe(void);
533#endif
32dfdf8b
JH		 534extern void timesince(struct timeval * diff, struct timeval * then);
535extern void tls_modify_variables(tls_support *);
059ec3d9 536extern uschar *tod_stamp(int);
41afb5cb 537
55414b25 538extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
a39bd74d 539 BOOL *, oicf, void*);
059ec3d9 540extern void transport_init(void);
57cc2785
JH		 541extern void transport_do_pass_socket(const uschar *, const uschar *,
542 const uschar *, uschar *, int);
55414b25 543extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
059ec3d9
PH		 544 int);
545extern uschar *transport_rcpt_address(address_item *, BOOL);
55414b25
JH		 546extern BOOL transport_set_up_command(const uschar ***, uschar *,
547 BOOL, int, address_item *, uschar *, uschar **);
059ec3d9 548extern void transport_update_waiting(host_item *, uschar *);
42055a33
JH		 549extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
550extern void transport_write_reset(int);
1ba28e2b 551extern BOOL transport_write_string(int, const char *, ...);
42055a33
JH		 552extern BOOL transport_headers_send(transport_ctx *,
553 BOOL (*)(transport_ctx *, uschar *, int));
adf73d37 554extern void transport_show_supported(FILE *);
42055a33 555extern BOOL transport_write_message(transport_ctx *, int);
059ec3d9
PH		 556extern void tree_add_duplicate(uschar *, address_item *);
557extern void tree_add_nonrecipient(uschar *);
558extern void tree_add_unusable(host_item *);
559extern int tree_insertnode(tree_node **, tree_node *);
55414b25 560extern tree_node *tree_search(tree_node *, const uschar *);
059ec3d9 561extern void tree_write(tree_node *, FILE *);
38a0a95f 562extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
059ec3d9 563
8523533c
TK		 564#ifdef WITH_CONTENT_SCAN
565extern void unspool_mbox(void);
566#endif
8c5d388a 567#ifdef SUPPORT_I18N
fc362fc5
JH		 568extern void utf8_version_report(FILE *);
569#endif
8523533c 570
4deaf07d
PH		 571extern int verify_address(address_item *, FILE *, int, int, int, int,
572 uschar *, uschar *, BOOL *);
379ba7d0 573extern int verify_check_dnsbl(int, const uschar **, uschar **);
4deaf07d 574extern int verify_check_header_address(uschar **, uschar **, int, int, int,
fe5b5d0b 575 uschar *, uschar *, int, int *);
059ec3d9 576extern int verify_check_headers(uschar **);
770747fd 577extern int verify_check_header_names_ascii(uschar **);
059ec3d9 578extern int verify_check_host(uschar **);
7c498df1 579extern int verify_check_notblind(BOOL);
3fb3231c 580extern int verify_check_given_host(const uschar **, const host_item *);
55414b25
JH		 581extern int verify_check_this_host(const uschar **, unsigned int *,
582 const uschar*, const uschar *, const uschar **);
059ec3d9
PH		 583extern address_item *verify_checked_sender(uschar *);
584extern void verify_get_ident(int);
585extern BOOL verify_sender(int *, uschar **);
586extern BOOL verify_sender_preliminary(int *, uschar **);
587extern void version_init(void);
588
42055a33 589extern BOOL write_chunk(transport_ctx *, uschar *, int);
17c76198
PP		 590extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
591
6940b3df 592
b66fecb4 593/* exim_chown - in some NFSv4 setups *seemes* to be an issue with
6940b3df 594chown(<exim-uid>, <exim-gid>).
b66fecb4 595
6940b3df
JH		 596Probably because the idmapping is broken, misconfigured or set up in
597an unusal way. (see Bug 2931). As I'm not sure, if this was a single
598case of misconfiguration, or if there are more such broken systems
599out, I try to impose as least impact as possible and for now just write
600a panic log entry pointing to the bug report. You're encouraged to
601contact the developers, if you experience this issue.
b66fecb4 602
6940b3df
JH		 603fd the file descriptor (or -1 if not valid)
604name the file name for error messages or for file operations,
605 if fd is < 0
606owner the owner
607group the group
b66fecb4 608
6940b3df 609returns 0 on success, -1 on failure */
b66fecb4 610
6940b3df 611static inline int
b66fecb4
HSHR		 612exim_fchown(int fd, uid_t owner, gid_t group, const uschar *name)
613{
6940b3df
JH		 614return fchown(fd, owner, group)
615 ? exim_chown_failure(fd, name, owner, group) : 0;
b66fecb4
HSHR		 616}
617
6940b3df 618static inline int
b66fecb4
HSHR		 619exim_chown(const uschar *name, uid_t owner, gid_t group)
620{
6940b3df
JH		 621return chown(CCS name, owner, group)
622 ? exim_chown_failure(-1, name, owner, group) : 0;
b66fecb4
HSHR		 623}
624
625#endif /* _FUNCTIONS_H_ */
acec9514 626
9d1c15ef
JH		 627/* vi: aw
628*/
059ec3d9 629/* End of functions.h */
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