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Recast more internal string routines to use growable-strings
[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. */
13
14
15#ifdef EXIM_PERL
acec9514 16extern gstring *call_perl_cat(gstring *, uschar **, uschar *,
268d00ff 17 uschar **) WARN_UNUSED_RESULT;
059ec3d9
PH		 18extern void cleanup_perl(void);
19extern uschar *init_perl(uschar *);
20#endif
21
22
23#ifdef SUPPORT_TLS
a799883d
PP		 24extern const char *
25 std_dh_prime_default(void);
26extern const char *
27 std_dh_prime_named(const uschar *);
9d1c15ef 28
9e4dddbd 29extern uschar * tls_cert_crl_uri(void *, uschar * mod);
9d1c15ef 30extern uschar * tls_cert_ext_by_oid(void *, uschar *, int);
9e4dddbd
JH		 31extern uschar * tls_cert_issuer(void *, uschar * mod);
32extern uschar * tls_cert_not_before(void *, uschar * mod);
33extern uschar * tls_cert_not_after(void *, uschar * mod);
34extern uschar * tls_cert_ocsp_uri(void *, uschar * mod);
35extern uschar * tls_cert_serial_number(void *, uschar * mod);
36extern uschar * tls_cert_signature(void *, uschar * mod);
37extern uschar * tls_cert_signature_algorithm(void *, uschar * mod);
38extern uschar * tls_cert_subject(void *, uschar * mod);
39extern uschar * tls_cert_subject_altname(void *, uschar * mod);
40extern uschar * tls_cert_version(void *, uschar * mod);
9d1c15ef 41
59b87190 42extern uschar * tls_cert_der_b64(void * cert);
6a8a60e0
JH		 43extern uschar * tls_cert_fprt_md5(void *);
44extern uschar * tls_cert_fprt_sha1(void *);
9ef9101c 45extern uschar * tls_cert_fprt_sha256(void *);
6a8a60e0 46
74f1a423 47extern void * tls_client_start(int, host_item *, address_item *,
cf0c6164 48 transport_instance *,
c0635b6d 49# ifdef SUPPORT_DANE
cf0c6164 50 dns_answer *,
790fbb71 51# endif
74f1a423
JH		 52 tls_support *, uschar **);
53extern void tls_close(void *, int);
925ac8e4 54extern BOOL tls_could_read(void);
9d1c15ef 55extern int tls_export_cert(uschar *, size_t, void *);
059ec3d9
PH		 56extern int tls_feof(void);
57extern int tls_ferror(void);
790fbb71 58extern void tls_free_cert(void **);
bd8fbe36 59extern int tls_getc(unsigned);
0d81dabc 60extern uschar *tls_getbuf(unsigned *);
584e96c6 61extern void tls_get_cache(void);
9d1c15ef 62extern int tls_import_cert(const uschar *, void **);
74f1a423 63extern int tls_read(void *, uschar *, size_t);
cf0c6164 64extern int tls_server_start(const uschar *, uschar **);
58eb016e 65extern BOOL tls_smtp_buffered(void);
059ec3d9 66extern int tls_ungetc(int);
74f1a423 67extern int tls_write(void *, const uschar *, size_t, BOOL);
3375e053 68extern uschar *tls_validate_require_cipher(void);
36f12725 69extern void tls_version_report(FILE *);
e51c7be2 70# ifndef USE_GNUTLS
77bb000f 71extern BOOL tls_openssl_options_parse(uschar *, long *);
e51c7be2 72# endif
55414b25
JH		 73extern uschar * tls_field_from_dn(uschar *, const uschar *);
74extern BOOL tls_is_name_for_cert(const uschar *, void *);
0e66b3b6 75
c0635b6d 76# ifdef SUPPORT_DANE
4b0fe319 77extern int tlsa_lookup(const host_item *, dns_answer *, BOOL);
0e66b3b6
JH		 78# endif
79
35aba663 80#endif /*SUPPORT_TLS*/
059ec3d9
PH		 81
82
83/* Everything else... */
84
85extern acl_block *acl_read(uschar *(*)(void), uschar **);
86extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
05caaeaa 87extern int acl_eval(int, uschar *, uschar **, uschar **);
333eea9c 88
38a0a95f
PH		 89extern tree_node *acl_var_create(uschar *);
90extern void acl_var_write(uschar *, uschar *, void *);
617d3932
JH		 91
92#ifdef EXPERIMENTAL_ARC
93extern void *arc_ams_setup_sign_bodyhash(void);
94extern const uschar *arc_header_feed(gstring *, BOOL);
95extern gstring *arc_sign(const uschar *, gstring *, uschar **);
b3d9ebf5 96extern void arc_sign_init(void);
617d3932 97extern const uschar *acl_verify_arc(void);
9cffa436 98extern uschar * fn_arc_domains(void);
617d3932
JH		 99#endif
100
cf0812d5 101extern void assert_no_variables(void *, int, const char *, int);
e1af7642 102extern int auth_call_pam(const uschar *, uschar **);
059ec3d9 103extern int auth_call_pwcheck(uschar *, uschar **);
93a6fce2
JH		 104extern int auth_call_radius(const uschar *, uschar **);
105extern int auth_call_saslauthd(const uschar *, const uschar *,
106 const uschar *, const uschar *, uschar **);
16ff981e 107extern int auth_check_serv_cond(auth_instance *);
44bbabb5
PP		 108extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
109
e1d04f48 110
059ec3d9
PH		 111extern int auth_get_data(uschar **, uschar *, int);
112extern int auth_get_no64_data(uschar **, uschar *);
adf73d37 113extern void auth_show_supported(FILE *);
059ec3d9
PH		 114extern uschar *auth_xtextencode(uschar *, int);
115extern int auth_xtextdecode(uschar *, uschar **);
116
c9cf9ac4
JH		 117#ifdef EXPERIMENTAL_ARC
118extern gstring *authres_arc(gstring *);
dfbcb5ac
JH		 119#endif
120#ifndef DISABLE_DKIM
121extern gstring *authres_dkim(gstring *);
122#endif
c9cf9ac4
JH		 123#ifdef EXPERIMENTAL_DMARC
124extern gstring *authres_dmarc(gstring *);
125#endif
126extern gstring *authres_smtpauth(gstring *);
127#ifdef SUPPORT_SPF
128extern gstring *authres_spf(gstring *);
617d3932 129#endif
dfbcb5ac 130
f4d091fb 131extern uschar *b64encode(uschar *, int);
35cf75e9 132extern int b64decode(const uschar *, uschar **);
bd8fbe36 133extern int bdat_getc(unsigned);
0d81dabc 134extern uschar *bdat_getbuf(unsigned *);
f6f4a58d 135extern int bdat_ungetc(int);
1ebe15c3
JH		 136extern void bdat_flush_data(void);
137
6c6d6e48
TF		 138extern void bits_clear(unsigned int *, size_t, int *);
139extern void bits_set(unsigned int *, size_t, int *);
140
57cc2785 141extern void cancel_cutthrough_connection(BOOL, const uschar *);
55414b25 142extern int check_host(void *, const uschar *, const uschar **, uschar **);
059ec3d9 143extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
55414b25
JH		 144extern pid_t child_open_uid(const uschar **, const uschar **, int,
145 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
bc3c7bb7 146extern BOOL cleanup_environment(void);
6851a9c5
JH		 147extern void cutthrough_data_puts(uschar *, int);
148extern void cutthrough_data_put_nl(void);
e4bdf652
JH		 149extern uschar *cutthrough_finaldot(void);
150extern BOOL cutthrough_flush_send(void);
151extern BOOL cutthrough_headers_send(void);
152extern BOOL cutthrough_predata(void);
57cc2785 153extern void release_cutthrough_connection(const uschar *);
059ec3d9
PH		 154
155extern void daemon_go(void);
6a8f9482
TK		 156
157#ifdef EXPERIMENTAL_DCC
158extern int dcc_process(uschar **);
159#endif
160
ed7f7860 161extern void debug_logging_activate(uschar *, uschar *);
b0d68adc 162extern void debug_logging_stop(void);
55414b25 163extern void debug_print_argv(const uschar **);
059ec3d9 164extern void debug_print_ids(uschar *);
e1d04f48 165extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 166extern void debug_print_string(uschar *);
167extern void debug_print_tree(tree_node *);
398f9af3 168extern void debug_vprintf(int, const char *, va_list);
6c6d6e48
TF		 169extern void decode_bits(unsigned int *, size_t, int *,
170 uschar *, bit_table *, int, uschar *, int);
059ec3d9 171extern address_item *deliver_make_addr(uschar *, BOOL);
476be7e2 172extern void deliver_init(void);
817d9f57 173extern void delivery_log(int, address_item *, int, uschar *);
059ec3d9 174extern int deliver_message(uschar *, BOOL, BOOL);
e0df1c83 175extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 176extern void deliver_set_expansions(address_item *);
177extern int deliver_split_address(address_item *);
178extern void deliver_succeeded(address_item *);
a39bd74d
JB		 179
180extern uschar *deliver_get_sender_address (uschar *id);
57cc2785 181extern void delivery_re_exec(int);
a39bd74d 182
1ba28e2b 183extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
80a47a2c 184#ifndef DISABLE_DKIM
617d3932
JH		 185extern uschar *dkim_exim_query_dns_txt(uschar *);
186extern void dkim_exim_sign_init(void);
187
42055a33 188extern BOOL dkim_transport_write_message(transport_ctx *,
b9df1829 189 struct ob_dkim *, const uschar ** errstr);
f7572e5a 190#endif
059ec3d9 191extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
476be7e2 192extern int dns_basic_lookup(dns_answer *, const uschar *, int);
55414b25 193extern void dns_build_reverse(const uschar *, uschar *);
8c51eead 194extern void dns_init(BOOL, BOOL, BOOL);
0539a19d 195extern BOOL dns_is_aa(const dns_answer *);
1dc92d5a 196extern BOOL dns_is_secure(const dns_answer *);
55414b25 197extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
476be7e2 198extern void dns_pattern_init(void);
55414b25 199extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
dd708fd7 200extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
059ec3d9 201extern uschar *dns_text_type(int);
36a3ae5f 202extern void dscp_list_to_stream(FILE *);
9e4f5962 203extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
059ec3d9
PH		 204
205extern void enq_end(uschar *);
e8ae7214 206extern BOOL enq_start(uschar *, unsigned);
0cbf2b82 207#ifndef DISABLE_EVENT
55414b25 208extern uschar *event_raise(uschar *, const uschar *, uschar *);
5ef5dd52 209extern void msg_event_raise(const uschar *, const address_item *);
774ef2d7 210#endif
37f3dc43 211extern const uschar * exim_errstr(int);
9bfb7e1b 212extern void exim_exit(int, const uschar *);
059ec3d9
PH		 213extern void exim_nullstd(void);
214extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
059ec3d9 215extern void exim_wait_tick(struct timeval *, int);
9c695f6d
JH		 216extern int exp_bool(address_item *addr,
217 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
218 uschar *svalue, BOOL *rvalue);
059ec3d9 219extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
617d3932 220extern uschar *expand_file_big_buffer(const uschar *);
93a6fce2
JH		 221extern uschar *expand_string(uschar *); /* public, cannot make const */
222extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
f42deca9 223extern uschar *expand_hide_passwords(uschar * );
55414b25 224extern uschar *expand_string_copy(const uschar *);
97d17305 225extern int_eximarith_t expand_string_integer(uschar *, BOOL);
d9b2312b 226extern void modify_variable(uschar *, void *);
059ec3d9 227
4e71661f
JH		 228extern BOOL fd_ready(int, int);
229
059ec3d9
PH		 230extern int filter_interpret(uschar *, int, address_item **, uschar **);
231extern BOOL filter_personal(string_item *, BOOL);
f05da2e8 232extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
059ec3d9
PH		 233extern BOOL filter_system_interpret(address_item **, uschar **);
234
362145b5
JH		 235extern uschar * fn_hdrs_added(void);
236
617d3932
JH		 237extern void gstring_reset_unused(gstring *);
238
1ba28e2b 239extern void header_add(int, const char *, ...);
059ec3d9
PH		 240extern int header_checkname(header_line *, BOOL);
241extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
7cd1141b 242extern int host_address_extract_port(uschar *);
059ec3d9 243extern uschar *host_and_ident(BOOL);
55414b25
JH		 244extern int host_aton(const uschar *, int *);
245extern void host_build_hostlist(host_item **, const uschar *, BOOL);
246extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
059ec3d9
PH		 247extern void host_build_log_info(void);
248extern void host_build_sender_fullhost(void);
a207d5dd 249extern int host_find_byname(host_item *, const uschar *, int,
1f155f8e 250 const uschar **, BOOL);
55414b25 251extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
7cd171b7 252 uschar *, const dnssec_domains *, const uschar **, BOOL *);
059ec3d9 253extern ip_address_item *host_find_interfaces(void);
55414b25 254extern BOOL host_is_in_net(const uschar *, const uschar *, int);
059ec3d9 255extern BOOL host_is_tls_on_connect_port(int);
7cd1141b 256extern int host_item_get_port(host_item *);
059ec3d9
PH		 257extern void host_mask(int, int *, int);
258extern int host_name_lookup(void);
6f0c9a4f 259extern int host_nmtoa(int, int *, int, uschar *, int);
059ec3d9
PH		 260extern uschar *host_ntoa(int, const void *, uschar *, int *);
261extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
262
94431adb 263extern uschar *imap_utf7_encode(uschar *, const uschar *,
ed0512a1
JH		 264 uschar, uschar *, uschar **);
265
83e029d5 266extern void invert_address(uschar *, uschar *);
7eb6c37c 267extern int ip_addr(void *, int, const uschar *, int);
059ec3d9 268extern int ip_bind(int, int, uschar *, int);
0ab63f3d 269extern int ip_connect(int, int, const uschar *, int, int, const blob *);
b1f8e4f8 270extern int ip_connectedsocket(int, const uschar *, int, int,
4a5cbaff 271 int, host_item *, uschar **, const blob *);
13363eba 272extern int ip_get_address_family(int);
55414b25 273extern void ip_keepalive(int, const uschar *, BOOL);
74f1a423 274extern int ip_recv(client_conn_ctx *, uschar *, int, int);
059ec3d9
PH		 275extern int ip_socket(int, int);
276
3e60dd41
JH		 277extern int ip_tcpsocket(const uschar *, uschar **, int);
278extern int ip_unixsocket(const uschar *, uschar **);
279extern int ip_streamsocket(const uschar *, uschar **, int);
280
fc4a7f70
JH		 281extern int ipv6_nmtoa(int *, uschar *);
282
921b12ca 283extern uschar *local_part_quote(uschar *);
4840604e 284extern int log_create(uschar *);
921b12ca 285extern int log_create_as_exim(uschar *);
059ec3d9
PH		 286extern void log_close_all(void);
287
d185889f 288extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
c246a1de
JH		 289extern BOOL macro_read_assignment(uschar *);
290extern uschar *macros_expand(int, int *, BOOL *);
9cd319d9 291extern void mainlog_close(void);
8523533c 292#ifdef WITH_CONTENT_SCAN
0f0c8159 293extern int malware(const uschar *, int);
dbc4b90d 294extern int malware_in_file(uschar *);
476be7e2 295extern void malware_init(void);
c11d665d 296extern void malware_show_supported(FILE *);
8523533c 297#endif
55414b25
JH		 298extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
299 unsigned int *, int, int, const uschar **);
36d295f1 300extern int match_address_list_basic(const uschar *, const uschar **, int);
55414b25
JH		 301extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
302 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
303 const uschar *, const uschar **);
304extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
305 unsigned int *, int, BOOL, const uschar **);
306extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
307 const uschar **);
059ec3d9
PH		 308extern void md5_end(md5 *, const uschar *, int, uschar *);
309extern void md5_mid(md5 *, const uschar *);
310extern void md5_start(md5 *);
311extern void millisleep(int);
8523533c
TK		 312#ifdef WITH_CONTENT_SCAN
313struct mime_boundary_context;
54cdb463
PH		 314extern int mime_acl_check(uschar *acl, FILE *f,
315 struct mime_boundary_context *, uschar **, uschar **);
55414b25 316extern int mime_decode(const uschar **);
f4d091fb 317extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
55414b25 318extern int mime_regex(const uschar **);
f4d091fb 319extern void mime_set_anomaly(int);
8523533c 320#endif
059ec3d9
PH		 321extern uschar *moan_check_errorcopy(uschar *);
322extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
323 BOOL, uschar *);
e0df1c83 324extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
5455f548
JH		 325extern BOOL moan_send_message(uschar *, int, error_block *eblock,
326 header_line *, FILE *, uschar *);
1ba28e2b 327extern void moan_tell_someone(uschar *, address_item *,
e0df1c83 328 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
059ec3d9 329extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
0e22dfd1 330extern void moan_write_from(FILE *);
1ba28e2b 331extern FILE *modefopen(const uschar *, const char *, mode_t);
059ec3d9 332
f9334a28 333extern int open_cutthrough_connection( address_item * addr );
e4bdf652 334
059ec3d9
PH		 335extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
336 BOOL);
337extern int parse_forward_list(uschar *, int, address_item **, uschar **,
55414b25 338 const uschar *, uschar *, error_block **);
059ec3d9
PH		 339extern uschar *parse_find_address_end(uschar *, BOOL);
340extern uschar *parse_find_at(uschar *);
55414b25 341extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
30dba1e6 342extern uschar *parse_message_id(uschar *, uschar **, uschar **);
55414b25 343extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
43ad7b7d 344extern uschar *parse_date_time(uschar *str, time_t *t);
17c76198
PP		 345extern int vaguely_random_number(int);
346#ifdef SUPPORT_TLS
347extern int vaguely_random_number_fallback(int);
348#endif
059ec3d9
PH		 349
350extern BOOL queue_action(uschar *, int, uschar **, int, int);
351extern void queue_check_only(void);
352extern void queue_list(int, uschar **, int);
353extern void queue_count(void);
354extern void queue_run(uschar *, uschar *, BOOL);
355
356extern int random_number(int);
e4a89c47 357extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
efd9a422
MH		 358 uschar *, uschar *, uschar *, ugid_block *, address_item **,
359 uschar **, error_block **, int *, uschar *);
059ec3d9
PH		 360extern int rda_is_filter(const uschar *);
361extern BOOL readconf_depends(driver_instance *, uschar *);
362extern void readconf_driver_init(uschar *, driver_instance **,
363 driver_info *, int, void *, int, optionlist *, int);
364extern uschar *readconf_find_option(void *);
34e86e20 365extern void readconf_main(BOOL);
383832ef 366extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
2be324ee 367extern BOOL readconf_print(uschar *, uschar *, BOOL);
059ec3d9
PH		 368extern uschar *readconf_printtime(int);
369extern uschar *readconf_readname(uschar *, int, uschar *);
1ad6489e 370extern int readconf_readtime(const uschar *, int, BOOL);
bf3c2c6b 371extern void readconf_rest(void);
55414b25 372extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
bf3c2c6b 373extern void readconf_save_config(const uschar *);
328895cc 374extern void read_message_body(BOOL);
8f128379 375extern void receive_bomb_out(uschar *, uschar *);
059ec3d9
PH		 376extern BOOL receive_check_fs(int);
377extern BOOL receive_check_set_sender(uschar *);
378extern BOOL receive_msg(BOOL);
a45431fa 379extern int_eximarith_t receive_statvfs(BOOL, int *);
059ec3d9 380extern void receive_swallow_smtp(void);
8523533c 381#ifdef WITH_CONTENT_SCAN
55414b25 382extern int regex(const uschar **);
8523533c 383#endif
1dc92d5a 384extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
476be7e2 385extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
059ec3d9 386extern void retry_add_item(address_item *, uschar *, int);
55414b25 387extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
059ec3d9 388 uschar **, uschar **);
55414b25
JH		 389extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
390extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
ba9af0af 391 dbdata_retry *, time_t);
059ec3d9
PH		 392extern void retry_update(address_item **, address_item **, address_item **);
393extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
394extern uschar *rewrite_address_qualify(uschar *, BOOL);
55414b25
JH		 395extern header_line *rewrite_header(header_line *,
396 const uschar *, const uschar *,
059ec3d9
PH		 397 rewrite_rule *, int, BOOL);
398extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
399 rewrite_rule *);
400extern void rewrite_test(uschar *);
401extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
402 uschar **);
403extern int route_address(address_item *, address_item **, address_item **,
404 address_item **, address_item **, int);
55414b25
JH		 405extern int route_check_prefix(const uschar *, const uschar *);
406extern int route_check_suffix(const uschar *, const uschar *);
059ec3d9 407extern BOOL route_findgroup(uschar *, gid_t *);
55414b25 408extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
059ec3d9
PH		 409extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
410 uschar **);
411extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
412 struct passwd **, uid_t *, uschar **);
413extern void route_init(void);
adf73d37 414extern void route_show_supported(FILE *);
059ec3d9
PH		 415extern void route_tidyup(void);
416
55414b25 417extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
059ec3d9 418 int, int *);
55414b25
JH		 419extern int search_findtype(const uschar *, int);
420extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
059ec3d9
PH		 421 int *);
422extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
423extern void search_tidyup(void);
e0df1c83 424extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
5fb822fc
JH		 425extern void sha1_end(hctx *, const uschar *, int, uschar *);
426extern void sha1_mid(hctx *, const uschar *);
427extern void sha1_start(hctx *);
e4a89c47 428extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
efd9a422 429 uschar *, address_item **, uschar **);
059ec3d9 430extern void sigalrm_handler(int);
58eb016e 431extern BOOL smtp_buffered(void);
059ec3d9 432extern void smtp_closedown(uschar *);
9723f966
JH		 433extern void smtp_command_timeout_exit(void);
434extern void smtp_command_sigterm_exit(void);
435extern void smtp_data_timeout_exit(void);
436extern void smtp_data_sigint_exit(void);
a09f2942 437extern uschar *smtp_cmd_hist(void);
ee8b8090 438extern int smtp_connect(smtp_connect_args *, const blob *);
7eb6c37c 439extern int smtp_sock_connect(host_item *, int, int, uschar *,
0ab63f3d 440 transport_instance * tb, int, const blob *);
059ec3d9
PH		 441extern int smtp_feof(void);
442extern int smtp_ferror(void);
443extern uschar *smtp_get_connection_info(void);
6f6dedcc 444extern BOOL smtp_get_interface(uschar *, int, address_item *,
059ec3d9
PH		 445 uschar **, uschar *);
446extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
bd8fbe36 447extern int smtp_getc(unsigned);
0d81dabc 448extern uschar *smtp_getbuf(unsigned *);
584e96c6 449extern void smtp_get_cache(void);
059ec3d9 450extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
b4ed4da0 451extern void smtp_log_no_mail(void);
4f6ae5c3 452extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
74f1a423 453extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int);
251b9eb4 454extern BOOL smtp_read_response(void *, uschar *, int, int, int);
e04bfa34 455extern void smtp_reset(void *);
a5bd321b 456extern void smtp_respond(uschar *, int, BOOL, uschar *);
8f128379 457extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
58c30e47 458extern void smtp_port_for_connect(host_item *, int);
059ec3d9
PH		 459extern void smtp_send_prohibition_message(int, uschar *);
460extern int smtp_setup_msg(void);
461extern BOOL smtp_start_session(void);
462extern int smtp_ungetc(int);
d7b47fd0 463extern BOOL smtp_verify_helo(void);
251b9eb4 464extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4);
8523533c 465#ifdef WITH_CONTENT_SCAN
55414b25 466extern int spam(const uschar **);
040721f2 467extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
8523533c 468#endif
4b4856ff 469extern void spool_clear_header_globals(void);
3369a853 470extern uschar *spool_dname(const uschar *, uschar *);
b4758425 471extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
4b4856ff 472extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
789f8a4f 473extern int spool_open_datafile(uschar *);
059ec3d9
PH		 474extern int spool_open_temp(uschar *);
475extern int spool_read_header(uschar *, BOOL, BOOL);
4b4856ff 476extern uschar *spool_sname(const uschar *, uschar *);
059ec3d9 477extern int spool_write_header(uschar *, int, uschar **);
bd8fbe36 478extern int stdin_getc(unsigned);
059ec3d9
PH		 479extern int stdin_feof(void);
480extern int stdin_ferror(void);
481extern int stdin_ungetc(int);
acec9514
JH		 482extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
483extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
484extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
bce15b62 485extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT;
059ec3d9 486extern uschar *string_base62(unsigned long int);
acec9514
JH		 487extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
488extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
84bbb4d8 489extern int string_compare_by_pointer(const void *, const void *);
059ec3d9 490extern uschar *string_copy_dnsdomain(uschar *);
55414b25 491extern uschar *string_copy_malloc(const uschar *);
1dc92d5a 492extern uschar *string_copylc(const uschar *);
059ec3d9 493extern uschar *string_copynlc(uschar *, int);
55414b25 494extern uschar *string_dequote(const uschar **);
d12746bc 495extern gstring *string_fmt_append(gstring *, const char *, ...) ALMOST_PRINTF(2,3);
81f91683 496extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
059ec3d9 497extern uschar *string_format_size(int, uschar *);
acec9514
JH		 498extern uschar *string_from_gstring(gstring *);
499extern gstring *string_get(unsigned);
55414b25 500extern int string_interpret_escape(const uschar **);
b1f8e4f8 501extern int string_is_ip_address(const uschar *, int *);
8c5d388a 502#ifdef SUPPORT_I18N
0d7911ea
JH		 503extern BOOL string_is_utf8(const uschar *);
504#endif
55414b25 505extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
e0df1c83 506extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
55414b25 507extern const uschar *string_printing2(const uschar *, BOOL);
e28326d8 508extern uschar *string_split_message(uschar *);
306c6c77 509extern uschar *string_timediff(struct timeval *);
0f1a8658 510extern uschar *string_timesince(struct timeval *);
c7396ac5 511extern uschar *string_unprinting(uschar *);
8c5d388a 512#ifdef SUPPORT_I18N
3c8b3577 513extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
0d7911ea
JH		 514extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
515extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
516extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
517extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
518#endif
d12746bc 519extern gstring *string_vformat(gstring *, BOOL, const char *, va_list);
1ba28e2b
PP		 520extern int strcmpic(const uschar *, const uschar *);
521extern int strncmpic(const uschar *, const uschar *, int);
059ec3d9
PH		 522extern uschar *strstric(uschar *, uschar *, BOOL);
523
10ac8d7f
JH		 524#ifdef EXIM_TFO_PROBE
525extern void tfo_probe(void);
526#endif
32dfdf8b
JH		 527extern void timesince(struct timeval * diff, struct timeval * then);
528extern void tls_modify_variables(tls_support *);
059ec3d9 529extern uschar *tod_stamp(int);
41afb5cb 530
55414b25 531extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
a39bd74d 532 BOOL *, oicf, void*);
059ec3d9 533extern void transport_init(void);
57cc2785
JH		 534extern void transport_do_pass_socket(const uschar *, const uschar *,
535 const uschar *, uschar *, int);
55414b25 536extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
059ec3d9
PH		 537 int);
538extern uschar *transport_rcpt_address(address_item *, BOOL);
55414b25
JH		 539extern BOOL transport_set_up_command(const uschar ***, uschar *,
540 BOOL, int, address_item *, uschar *, uschar **);
059ec3d9 541extern void transport_update_waiting(host_item *, uschar *);
42055a33
JH		 542extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
543extern void transport_write_reset(int);
1ba28e2b 544extern BOOL transport_write_string(int, const char *, ...);
42055a33
JH		 545extern BOOL transport_headers_send(transport_ctx *,
546 BOOL (*)(transport_ctx *, uschar *, int));
adf73d37 547extern void transport_show_supported(FILE *);
42055a33 548extern BOOL transport_write_message(transport_ctx *, int);
059ec3d9
PH		 549extern void tree_add_duplicate(uschar *, address_item *);
550extern void tree_add_nonrecipient(uschar *);
551extern void tree_add_unusable(host_item *);
552extern int tree_insertnode(tree_node **, tree_node *);
55414b25 553extern tree_node *tree_search(tree_node *, const uschar *);
059ec3d9 554extern void tree_write(tree_node *, FILE *);
38a0a95f 555extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
059ec3d9 556
8523533c
TK		 557#ifdef WITH_CONTENT_SCAN
558extern void unspool_mbox(void);
559#endif
8c5d388a 560#ifdef SUPPORT_I18N
fc362fc5
JH		 561extern void utf8_version_report(FILE *);
562#endif
8523533c 563
4deaf07d
PH		 564extern int verify_address(address_item *, FILE *, int, int, int, int,
565 uschar *, uschar *, BOOL *);
379ba7d0 566extern int verify_check_dnsbl(int, const uschar **, uschar **);
4deaf07d 567extern int verify_check_header_address(uschar **, uschar **, int, int, int,
fe5b5d0b 568 uschar *, uschar *, int, int *);
059ec3d9 569extern int verify_check_headers(uschar **);
770747fd 570extern int verify_check_header_names_ascii(uschar **);
059ec3d9 571extern int verify_check_host(uschar **);
1c41c9cc 572extern int verify_check_notblind(void);
3fb3231c 573extern int verify_check_given_host(const uschar **, const host_item *);
55414b25
JH		 574extern int verify_check_this_host(const uschar **, unsigned int *,
575 const uschar*, const uschar *, const uschar **);
059ec3d9
PH		 576extern address_item *verify_checked_sender(uschar *);
577extern void verify_get_ident(int);
578extern BOOL verify_sender(int *, uschar **);
579extern BOOL verify_sender_preliminary(int *, uschar **);
580extern void version_init(void);
581
42055a33 582extern BOOL write_chunk(transport_ctx *, uschar *, int);
17c76198
PP		 583extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
584
acec9514 585
9d1c15ef
JH		 586/* vi: aw
587*/
059ec3d9 588/* End of functions.h */
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