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Merge branch '4.next'
[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 108extern int auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
37942ad8
JH		 109extern int auth_client_item(void *, auth_instance *, const uschar **,
110 unsigned, int, uschar *, int);
44bbabb5 111
e1d04f48 112
1f20760b 113extern int auth_get_data(uschar **, const uschar *, int);
059ec3d9 114extern int auth_get_no64_data(uschar **, uschar *);
8238bc7b 115extern int auth_prompt(const uschar *);
37942ad8 116extern int auth_read_input(const uschar *);
adf73d37 117extern void auth_show_supported(FILE *);
059ec3d9
PH		 118extern uschar *auth_xtextencode(uschar *, int);
119extern int auth_xtextdecode(uschar *, uschar **);
120
c9cf9ac4
JH		 121#ifdef EXPERIMENTAL_ARC
122extern gstring *authres_arc(gstring *);
dfbcb5ac
JH		 123#endif
124#ifndef DISABLE_DKIM
125extern gstring *authres_dkim(gstring *);
126#endif
c9cf9ac4
JH		 127#ifdef EXPERIMENTAL_DMARC
128extern gstring *authres_dmarc(gstring *);
129#endif
130extern gstring *authres_smtpauth(gstring *);
131#ifdef SUPPORT_SPF
132extern gstring *authres_spf(gstring *);
617d3932 133#endif
dfbcb5ac 134
1f20760b 135extern uschar *b64encode(const uschar *, int);
35cf75e9 136extern int b64decode(const uschar *, uschar **);
bd8fbe36 137extern int bdat_getc(unsigned);
0d81dabc 138extern uschar *bdat_getbuf(unsigned *);
f6f4a58d 139extern int bdat_ungetc(int);
1ebe15c3
JH		 140extern void bdat_flush_data(void);
141
6c6d6e48
TF		 142extern void bits_clear(unsigned int *, size_t, int *);
143extern void bits_set(unsigned int *, size_t, int *);
144
57cc2785 145extern void cancel_cutthrough_connection(BOOL, const uschar *);
55414b25 146extern int check_host(void *, const uschar *, const uschar **, uschar **);
059ec3d9 147extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
55414b25
JH		 148extern pid_t child_open_uid(const uschar **, const uschar **, int,
149 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
bc3c7bb7 150extern BOOL cleanup_environment(void);
6851a9c5
JH		 151extern void cutthrough_data_puts(uschar *, int);
152extern void cutthrough_data_put_nl(void);
e4bdf652
JH		 153extern uschar *cutthrough_finaldot(void);
154extern BOOL cutthrough_flush_send(void);
155extern BOOL cutthrough_headers_send(void);
156extern BOOL cutthrough_predata(void);
57cc2785 157extern void release_cutthrough_connection(const uschar *);
059ec3d9
PH		 158
159extern void daemon_go(void);
6a8f9482
TK		 160
161#ifdef EXPERIMENTAL_DCC
162extern int dcc_process(uschar **);
163#endif
164
ed7f7860 165extern void debug_logging_activate(uschar *, uschar *);
b0d68adc 166extern void debug_logging_stop(void);
55414b25 167extern void debug_print_argv(const uschar **);
059ec3d9 168extern void debug_print_ids(uschar *);
e1d04f48 169extern void debug_printf_indent(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 170extern void debug_print_string(uschar *);
171extern void debug_print_tree(tree_node *);
398f9af3 172extern void debug_vprintf(int, const char *, va_list);
6c6d6e48
TF		 173extern void decode_bits(unsigned int *, size_t, int *,
174 uschar *, bit_table *, int, uschar *, int);
059ec3d9 175extern address_item *deliver_make_addr(uschar *, BOOL);
476be7e2 176extern void deliver_init(void);
817d9f57 177extern void delivery_log(int, address_item *, int, uschar *);
059ec3d9 178extern int deliver_message(uschar *, BOOL, BOOL);
e0df1c83 179extern void deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
059ec3d9
PH		 180extern void deliver_set_expansions(address_item *);
181extern int deliver_split_address(address_item *);
182extern void deliver_succeeded(address_item *);
a39bd74d
JB		 183
184extern uschar *deliver_get_sender_address (uschar *id);
57cc2785 185extern void delivery_re_exec(int);
a39bd74d 186
1ba28e2b 187extern BOOL directory_make(const uschar *, const uschar *, int, BOOL);
80a47a2c 188#ifndef DISABLE_DKIM
617d3932
JH		 189extern uschar *dkim_exim_query_dns_txt(uschar *);
190extern void dkim_exim_sign_init(void);
191
42055a33 192extern BOOL dkim_transport_write_message(transport_ctx *,
b9df1829 193 struct ob_dkim *, const uschar ** errstr);
f7572e5a 194#endif
059ec3d9 195extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
476be7e2 196extern int dns_basic_lookup(dns_answer *, const uschar *, int);
55414b25 197extern void dns_build_reverse(const uschar *, uschar *);
8c51eead 198extern void dns_init(BOOL, BOOL, BOOL);
0539a19d 199extern BOOL dns_is_aa(const dns_answer *);
1dc92d5a 200extern BOOL dns_is_secure(const dns_answer *);
55414b25 201extern int dns_lookup(dns_answer *, const uschar *, int, const uschar **);
476be7e2 202extern void dns_pattern_init(void);
55414b25 203extern int dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
dd708fd7 204extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
059ec3d9 205extern uschar *dns_text_type(int);
36a3ae5f 206extern void dscp_list_to_stream(FILE *);
9e4f5962 207extern BOOL dscp_lookup(const uschar *, int, int *, int *, int *);
059ec3d9
PH		 208
209extern void enq_end(uschar *);
e8ae7214 210extern BOOL enq_start(uschar *, unsigned);
0cbf2b82 211#ifndef DISABLE_EVENT
55414b25 212extern uschar *event_raise(uschar *, const uschar *, uschar *);
5ef5dd52 213extern void msg_event_raise(const uschar *, const address_item *);
774ef2d7 214#endif
37f3dc43 215extern const uschar * exim_errstr(int);
9bfb7e1b 216extern void exim_exit(int, const uschar *);
059ec3d9
PH		 217extern void exim_nullstd(void);
218extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
059ec3d9 219extern void exim_wait_tick(struct timeval *, int);
9c695f6d
JH		 220extern int exp_bool(address_item *addr,
221 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
222 uschar *svalue, BOOL *rvalue);
059ec3d9 223extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
617d3932 224extern uschar *expand_file_big_buffer(const uschar *);
93a6fce2
JH		 225extern uschar *expand_string(uschar *); /* public, cannot make const */
226extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
f42deca9 227extern uschar *expand_hide_passwords(uschar * );
55414b25 228extern uschar *expand_string_copy(const uschar *);
97d17305 229extern int_eximarith_t expand_string_integer(uschar *, BOOL);
d9b2312b 230extern void modify_variable(uschar *, void *);
059ec3d9 231
4e71661f
JH		 232extern BOOL fd_ready(int, int);
233
059ec3d9
PH		 234extern int filter_interpret(uschar *, int, address_item **, uschar **);
235extern BOOL filter_personal(string_item *, BOOL);
f05da2e8 236extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
059ec3d9
PH		 237extern BOOL filter_system_interpret(address_item **, uschar **);
238
362145b5
JH		 239extern uschar * fn_hdrs_added(void);
240
617d3932
JH		 241extern void gstring_reset_unused(gstring *);
242
1ba28e2b 243extern void header_add(int, const char *, ...);
059ec3d9
PH		 244extern int header_checkname(header_line *, BOOL);
245extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
7cd1141b 246extern int host_address_extract_port(uschar *);
059ec3d9 247extern uschar *host_and_ident(BOOL);
55414b25
JH		 248extern int host_aton(const uschar *, int *);
249extern void host_build_hostlist(host_item **, const uschar *, BOOL);
250extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
059ec3d9
PH		 251extern void host_build_log_info(void);
252extern void host_build_sender_fullhost(void);
a207d5dd 253extern int host_find_byname(host_item *, const uschar *, int,
1f155f8e 254 const uschar **, BOOL);
55414b25 255extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
7cd171b7 256 uschar *, const dnssec_domains *, const uschar **, BOOL *);
059ec3d9 257extern ip_address_item *host_find_interfaces(void);
55414b25 258extern BOOL host_is_in_net(const uschar *, const uschar *, int);
059ec3d9 259extern BOOL host_is_tls_on_connect_port(int);
7cd1141b 260extern int host_item_get_port(host_item *);
059ec3d9
PH		 261extern void host_mask(int, int *, int);
262extern int host_name_lookup(void);
6f0c9a4f 263extern int host_nmtoa(int, int *, int, uschar *, int);
059ec3d9
PH		 264extern uschar *host_ntoa(int, const void *, uschar *, int *);
265extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
266
94431adb 267extern uschar *imap_utf7_encode(uschar *, const uschar *,
ed0512a1
JH		 268 uschar, uschar *, uschar **);
269
83e029d5 270extern void invert_address(uschar *, uschar *);
7eb6c37c 271extern int ip_addr(void *, int, const uschar *, int);
059ec3d9 272extern int ip_bind(int, int, uschar *, int);
0ab63f3d 273extern int ip_connect(int, int, const uschar *, int, int, const blob *);
b1f8e4f8 274extern int ip_connectedsocket(int, const uschar *, int, int,
4a5cbaff 275 int, host_item *, uschar **, const blob *);
13363eba 276extern int ip_get_address_family(int);
55414b25 277extern void ip_keepalive(int, const uschar *, BOOL);
74f1a423 278extern int ip_recv(client_conn_ctx *, uschar *, int, int);
059ec3d9
PH		 279extern int ip_socket(int, int);
280
3e60dd41
JH		 281extern int ip_tcpsocket(const uschar *, uschar **, int);
282extern int ip_unixsocket(const uschar *, uschar **);
283extern int ip_streamsocket(const uschar *, uschar **, int);
284
fc4a7f70
JH		 285extern int ipv6_nmtoa(int *, uschar *);
286
921b12ca 287extern uschar *local_part_quote(uschar *);
4840604e 288extern int log_create(uschar *);
921b12ca 289extern int log_create_as_exim(uschar *);
059ec3d9
PH		 290extern void log_close_all(void);
291
d185889f 292extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
c246a1de
JH		 293extern BOOL macro_read_assignment(uschar *);
294extern uschar *macros_expand(int, int *, BOOL *);
9cd319d9 295extern void mainlog_close(void);
8523533c 296#ifdef WITH_CONTENT_SCAN
0f0c8159 297extern int malware(const uschar *, int);
dbc4b90d 298extern int malware_in_file(uschar *);
476be7e2 299extern void malware_init(void);
c11d665d 300extern void malware_show_supported(FILE *);
8523533c 301#endif
55414b25
JH		 302extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
303 unsigned int *, int, int, const uschar **);
36d295f1 304extern int match_address_list_basic(const uschar *, const uschar **, int);
55414b25
JH		 305extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
306 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
307 const uschar *, const uschar **);
308extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
309 unsigned int *, int, BOOL, const uschar **);
310extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
311 const uschar **);
059ec3d9
PH		 312extern void md5_end(md5 *, const uschar *, int, uschar *);
313extern void md5_mid(md5 *, const uschar *);
314extern void md5_start(md5 *);
315extern void millisleep(int);
8523533c
TK		 316#ifdef WITH_CONTENT_SCAN
317struct mime_boundary_context;
54cdb463
PH		 318extern int mime_acl_check(uschar *acl, FILE *f,
319 struct mime_boundary_context *, uschar **, uschar **);
55414b25 320extern int mime_decode(const uschar **);
f4d091fb 321extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
55414b25 322extern int mime_regex(const uschar **);
f4d091fb 323extern void mime_set_anomaly(int);
8523533c 324#endif
059ec3d9
PH		 325extern uschar *moan_check_errorcopy(uschar *);
326extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
327 BOOL, uschar *);
e0df1c83 328extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
5455f548
JH		 329extern BOOL moan_send_message(uschar *, int, error_block *eblock,
330 header_line *, FILE *, uschar *);
1ba28e2b 331extern void moan_tell_someone(uschar *, address_item *,
e0df1c83 332 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
059ec3d9 333extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
0e22dfd1 334extern void moan_write_from(FILE *);
1ba28e2b 335extern FILE *modefopen(const uschar *, const char *, mode_t);
059ec3d9 336
f9334a28 337extern int open_cutthrough_connection( address_item * addr );
e4bdf652 338
059ec3d9
PH		 339extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
340 BOOL);
341extern int parse_forward_list(uschar *, int, address_item **, uschar **,
55414b25 342 const uschar *, uschar *, error_block **);
059ec3d9
PH		 343extern uschar *parse_find_address_end(uschar *, BOOL);
344extern uschar *parse_find_at(uschar *);
55414b25 345extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
30dba1e6 346extern uschar *parse_message_id(uschar *, uschar **, uschar **);
55414b25 347extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
43ad7b7d 348extern uschar *parse_date_time(uschar *str, time_t *t);
17c76198
PP		 349extern int vaguely_random_number(int);
350#ifdef SUPPORT_TLS
351extern int vaguely_random_number_fallback(int);
352#endif
059ec3d9
PH		 353
354extern BOOL queue_action(uschar *, int, uschar **, int, int);
355extern void queue_check_only(void);
356extern void queue_list(int, uschar **, int);
357extern void queue_count(void);
358extern void queue_run(uschar *, uschar *, BOOL);
359
360extern int random_number(int);
aeb65e91 361extern const uschar *rc_to_string(int);
e4a89c47 362extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
efd9a422
MH		 363 uschar *, uschar *, uschar *, ugid_block *, address_item **,
364 uschar **, error_block **, int *, uschar *);
059ec3d9
PH		 365extern int rda_is_filter(const uschar *);
366extern BOOL readconf_depends(driver_instance *, uschar *);
367extern void readconf_driver_init(uschar *, driver_instance **,
368 driver_info *, int, void *, int, optionlist *, int);
369extern uschar *readconf_find_option(void *);
34e86e20 370extern void readconf_main(BOOL);
383832ef 371extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
2be324ee 372extern BOOL readconf_print(uschar *, uschar *, BOOL);
059ec3d9
PH		 373extern uschar *readconf_printtime(int);
374extern uschar *readconf_readname(uschar *, int, uschar *);
1ad6489e 375extern int readconf_readtime(const uschar *, int, BOOL);
bf3c2c6b 376extern void readconf_rest(void);
55414b25 377extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
bf3c2c6b 378extern void readconf_save_config(const uschar *);
328895cc 379extern void read_message_body(BOOL);
8f128379 380extern void receive_bomb_out(uschar *, uschar *);
059ec3d9
PH		 381extern BOOL receive_check_fs(int);
382extern BOOL receive_check_set_sender(uschar *);
383extern BOOL receive_msg(BOOL);
a45431fa 384extern int_eximarith_t receive_statvfs(BOOL, int *);
059ec3d9 385extern void receive_swallow_smtp(void);
8523533c 386#ifdef WITH_CONTENT_SCAN
55414b25 387extern int regex(const uschar **);
8523533c 388#endif
1dc92d5a 389extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
476be7e2 390extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
059ec3d9 391extern void retry_add_item(address_item *, uschar *, int);
55414b25 392extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
059ec3d9 393 uschar **, uschar **);
55414b25
JH		 394extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
395extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
ba9af0af 396 dbdata_retry *, time_t);
059ec3d9
PH		 397extern void retry_update(address_item **, address_item **, address_item **);
398extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
399extern uschar *rewrite_address_qualify(uschar *, BOOL);
55414b25
JH		 400extern header_line *rewrite_header(header_line *,
401 const uschar *, const uschar *,
059ec3d9
PH		 402 rewrite_rule *, int, BOOL);
403extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
404 rewrite_rule *);
405extern void rewrite_test(uschar *);
406extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
407 uschar **);
408extern int route_address(address_item *, address_item **, address_item **,
409 address_item **, address_item **, int);
55414b25
JH		 410extern int route_check_prefix(const uschar *, const uschar *);
411extern int route_check_suffix(const uschar *, const uschar *);
059ec3d9 412extern BOOL route_findgroup(uschar *, gid_t *);
55414b25 413extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
059ec3d9
PH		 414extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
415 uschar **);
416extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
417 struct passwd **, uid_t *, uschar **);
418extern void route_init(void);
adf73d37 419extern void route_show_supported(FILE *);
059ec3d9
PH		 420extern void route_tidyup(void);
421
55414b25 422extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
059ec3d9 423 int, int *);
55414b25
JH		 424extern int search_findtype(const uschar *, int);
425extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
059ec3d9
PH		 426 int *);
427extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
428extern void search_tidyup(void);
e0df1c83 429extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
5fb822fc
JH		 430extern void sha1_end(hctx *, const uschar *, int, uschar *);
431extern void sha1_mid(hctx *, const uschar *);
432extern void sha1_start(hctx *);
e4a89c47 433extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
efd9a422 434 uschar *, address_item **, uschar **);
059ec3d9 435extern void sigalrm_handler(int);
58eb016e 436extern BOOL smtp_buffered(void);
059ec3d9 437extern void smtp_closedown(uschar *);
9723f966
JH		 438extern void smtp_command_timeout_exit(void);
439extern void smtp_command_sigterm_exit(void);
440extern void smtp_data_timeout_exit(void);
441extern void smtp_data_sigint_exit(void);
a09f2942 442extern uschar *smtp_cmd_hist(void);
ee8b8090 443extern int smtp_connect(smtp_connect_args *, const blob *);
7eb6c37c 444extern int smtp_sock_connect(host_item *, int, int, uschar *,
0ab63f3d 445 transport_instance * tb, int, const blob *);
059ec3d9
PH		 446extern int smtp_feof(void);
447extern int smtp_ferror(void);
448extern uschar *smtp_get_connection_info(void);
6f6dedcc 449extern BOOL smtp_get_interface(uschar *, int, address_item *,
059ec3d9
PH		 450 uschar **, uschar *);
451extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
bd8fbe36 452extern int smtp_getc(unsigned);
0d81dabc 453extern uschar *smtp_getbuf(unsigned *);
584e96c6 454extern void smtp_get_cache(void);
059ec3d9 455extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
b4ed4da0 456extern void smtp_log_no_mail(void);
4f6ae5c3 457extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
74f1a423 458extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int);
251b9eb4 459extern BOOL smtp_read_response(void *, uschar *, int, int, int);
e04bfa34 460extern void smtp_reset(void *);
a5bd321b 461extern void smtp_respond(uschar *, int, BOOL, uschar *);
8f128379 462extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
58c30e47 463extern void smtp_port_for_connect(host_item *, int);
059ec3d9
PH		 464extern void smtp_send_prohibition_message(int, uschar *);
465extern int smtp_setup_msg(void);
466extern BOOL smtp_start_session(void);
467extern int smtp_ungetc(int);
d7b47fd0 468extern BOOL smtp_verify_helo(void);
251b9eb4 469extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4);
8523533c 470#ifdef WITH_CONTENT_SCAN
55414b25 471extern int spam(const uschar **);
040721f2 472extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
8523533c 473#endif
4b4856ff 474extern void spool_clear_header_globals(void);
3369a853 475extern uschar *spool_dname(const uschar *, uschar *);
b4758425 476extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
4b4856ff 477extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
789f8a4f 478extern int spool_open_datafile(uschar *);
059ec3d9
PH		 479extern int spool_open_temp(uschar *);
480extern int spool_read_header(uschar *, BOOL, BOOL);
4b4856ff 481extern uschar *spool_sname(const uschar *, uschar *);
059ec3d9 482extern int spool_write_header(uschar *, int, uschar **);
bd8fbe36 483extern int stdin_getc(unsigned);
059ec3d9
PH		 484extern int stdin_feof(void);
485extern int stdin_ferror(void);
486extern int stdin_ungetc(int);
acec9514
JH		 487extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
488extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
489extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
bce15b62 490extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT;
059ec3d9 491extern uschar *string_base62(unsigned long int);
acec9514
JH		 492extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
493extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
84bbb4d8 494extern int string_compare_by_pointer(const void *, const void *);
059ec3d9 495extern uschar *string_copy_dnsdomain(uschar *);
55414b25 496extern uschar *string_copy_malloc(const uschar *);
1dc92d5a 497extern uschar *string_copylc(const uschar *);
059ec3d9 498extern uschar *string_copynlc(uschar *, int);
55414b25 499extern uschar *string_dequote(const uschar **);
d12746bc 500extern gstring *string_fmt_append(gstring *, const char *, ...) ALMOST_PRINTF(2,3);
81f91683 501extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
059ec3d9 502extern uschar *string_format_size(int, uschar *);
acec9514
JH		 503extern uschar *string_from_gstring(gstring *);
504extern gstring *string_get(unsigned);
55414b25 505extern int string_interpret_escape(const uschar **);
b1f8e4f8 506extern int string_is_ip_address(const uschar *, int *);
8c5d388a 507#ifdef SUPPORT_I18N
0d7911ea
JH		 508extern BOOL string_is_utf8(const uschar *);
509#endif
55414b25 510extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
e0df1c83 511extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
55414b25 512extern const uschar *string_printing2(const uschar *, BOOL);
e28326d8 513extern uschar *string_split_message(uschar *);
306c6c77 514extern uschar *string_timediff(struct timeval *);
0f1a8658 515extern uschar *string_timesince(struct timeval *);
c7396ac5 516extern uschar *string_unprinting(uschar *);
8c5d388a 517#ifdef SUPPORT_I18N
3c8b3577 518extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
0d7911ea
JH		 519extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
520extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
521extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
522extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
523#endif
d12746bc 524extern gstring *string_vformat(gstring *, BOOL, const char *, va_list);
1ba28e2b
PP		 525extern int strcmpic(const uschar *, const uschar *);
526extern int strncmpic(const uschar *, const uschar *, int);
059ec3d9
PH		 527extern uschar *strstric(uschar *, uschar *, BOOL);
528
10ac8d7f
JH		 529#ifdef EXIM_TFO_PROBE
530extern void tfo_probe(void);
531#endif
32dfdf8b
JH		 532extern void timesince(struct timeval * diff, struct timeval * then);
533extern void tls_modify_variables(tls_support *);
059ec3d9 534extern uschar *tod_stamp(int);
41afb5cb 535
55414b25 536extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
a39bd74d 537 BOOL *, oicf, void*);
059ec3d9 538extern void transport_init(void);
57cc2785
JH		 539extern void transport_do_pass_socket(const uschar *, const uschar *,
540 const uschar *, uschar *, int);
55414b25 541extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
059ec3d9
PH		 542 int);
543extern uschar *transport_rcpt_address(address_item *, BOOL);
55414b25
JH		 544extern BOOL transport_set_up_command(const uschar ***, uschar *,
545 BOOL, int, address_item *, uschar *, uschar **);
059ec3d9 546extern void transport_update_waiting(host_item *, uschar *);
42055a33
JH		 547extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
548extern void transport_write_reset(int);
1ba28e2b 549extern BOOL transport_write_string(int, const char *, ...);
42055a33
JH		 550extern BOOL transport_headers_send(transport_ctx *,
551 BOOL (*)(transport_ctx *, uschar *, int));
adf73d37 552extern void transport_show_supported(FILE *);
42055a33 553extern BOOL transport_write_message(transport_ctx *, int);
059ec3d9
PH		 554extern void tree_add_duplicate(uschar *, address_item *);
555extern void tree_add_nonrecipient(uschar *);
556extern void tree_add_unusable(host_item *);
557extern int tree_insertnode(tree_node **, tree_node *);
55414b25 558extern tree_node *tree_search(tree_node *, const uschar *);
059ec3d9 559extern void tree_write(tree_node *, FILE *);
38a0a95f 560extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
059ec3d9 561
8523533c
TK		 562#ifdef WITH_CONTENT_SCAN
563extern void unspool_mbox(void);
564#endif
8c5d388a 565#ifdef SUPPORT_I18N
fc362fc5
JH		 566extern void utf8_version_report(FILE *);
567#endif
8523533c 568
4deaf07d
PH		 569extern int verify_address(address_item *, FILE *, int, int, int, int,
570 uschar *, uschar *, BOOL *);
379ba7d0 571extern int verify_check_dnsbl(int, const uschar **, uschar **);
4deaf07d 572extern int verify_check_header_address(uschar **, uschar **, int, int, int,
fe5b5d0b 573 uschar *, uschar *, int, int *);
059ec3d9 574extern int verify_check_headers(uschar **);
770747fd 575extern int verify_check_header_names_ascii(uschar **);
059ec3d9 576extern int verify_check_host(uschar **);
1c41c9cc 577extern int verify_check_notblind(void);
3fb3231c 578extern int verify_check_given_host(const uschar **, const host_item *);
55414b25
JH		 579extern int verify_check_this_host(const uschar **, unsigned int *,
580 const uschar*, const uschar *, const uschar **);
059ec3d9
PH		 581extern address_item *verify_checked_sender(uschar *);
582extern void verify_get_ident(int);
583extern BOOL verify_sender(int *, uschar **);
584extern BOOL verify_sender_preliminary(int *, uschar **);
585extern void version_init(void);
586
42055a33 587extern BOOL write_chunk(transport_ctx *, uschar *, int);
17c76198
PP		 588extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
589
acec9514 590
9d1c15ef
JH		 591/* vi: aw
592*/
059ec3d9 593/* End of functions.h */
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