Use separate routine for translating return-codes to printable strings
[exim.git] / src / src / functions.h
CommitLineData
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
f9ba5e22 5/* Copyright (c) University of Cambridge 1995 - 2018 */
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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;
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18extern void cleanup_perl(void);
19extern uschar *init_perl(uschar *);
20#endif
21
22
23#ifdef SUPPORT_TLS
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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);
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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);
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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
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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 *);
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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
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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);
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78# endif
79
35aba663 80#endif /*SUPPORT_TLS*/
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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
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89extern tree_node *acl_var_create(uschar *);
90extern void acl_var_write(uschar *, uschar *, void *);
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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);
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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 **);
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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);
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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 *);
37942ad8 115extern int auth_read_input(const uschar *);
adf73d37 116extern void auth_show_supported(FILE *);
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117extern uschar *auth_xtextencode(uschar *, int);
118extern int auth_xtextdecode(uschar *, uschar **);
119
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120#ifdef EXPERIMENTAL_ARC
121extern gstring *authres_arc(gstring *);
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122#endif
123#ifndef DISABLE_DKIM
124extern gstring *authres_dkim(gstring *);
125#endif
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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);
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139extern void bdat_flush_data(void);
140
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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, ...);
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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);
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150extern void cutthrough_data_puts(uschar *, int);
151extern void cutthrough_data_put_nl(void);
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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 *);
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157
158extern void daemon_go(void);
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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);
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169extern void debug_print_string(uschar *);
170extern void debug_print_tree(tree_node *);
398f9af3 171extern void debug_vprintf(int, const char *, va_list);
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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);
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179extern void deliver_set_expansions(address_item *);
180extern int deliver_split_address(address_item *);
181extern void deliver_succeeded(address_item *);
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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
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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 *);
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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
37f3dc43 214extern const uschar * exim_errstr(int);
9bfb7e1b 215extern void exim_exit(int, const uschar *);
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216extern void exim_nullstd(void);
217extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
059ec3d9 218extern void exim_wait_tick(struct timeval *, int);
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219extern int exp_bool(address_item *addr,
220 uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
221 uschar *svalue, BOOL *rvalue);
059ec3d9 222extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
617d3932 223extern uschar *expand_file_big_buffer(const uschar *);
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224extern uschar *expand_string(uschar *); /* public, cannot make const */
225extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
f42deca9 226extern uschar *expand_hide_passwords(uschar * );
55414b25 227extern uschar *expand_string_copy(const uschar *);
97d17305 228extern int_eximarith_t expand_string_integer(uschar *, BOOL);
d9b2312b 229extern void modify_variable(uschar *, void *);
059ec3d9 230
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231extern BOOL fd_ready(int, int);
232
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233extern int filter_interpret(uschar *, int, address_item **, uschar **);
234extern BOOL filter_personal(string_item *, BOOL);
f05da2e8 235extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
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236extern BOOL filter_system_interpret(address_item **, uschar **);
237
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238extern uschar * fn_hdrs_added(void);
239
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240extern void gstring_reset_unused(gstring *);
241
1ba28e2b 242extern void header_add(int, const char *, ...);
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243extern int header_checkname(header_line *, BOOL);
244extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
7cd1141b 245extern int host_address_extract_port(uschar *);
059ec3d9 246extern uschar *host_and_ident(BOOL);
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247extern int host_aton(const uschar *, int *);
248extern void host_build_hostlist(host_item **, const uschar *, BOOL);
249extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
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250extern void host_build_log_info(void);
251extern void host_build_sender_fullhost(void);
a207d5dd 252extern int host_find_byname(host_item *, const uschar *, int,
1f155f8e 253 const uschar **, BOOL);
55414b25 254extern int host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
7cd171b7 255 uschar *, const dnssec_domains *, const uschar **, BOOL *);
059ec3d9 256extern ip_address_item *host_find_interfaces(void);
55414b25 257extern BOOL host_is_in_net(const uschar *, const uschar *, int);
059ec3d9 258extern BOOL host_is_tls_on_connect_port(int);
7cd1141b 259extern int host_item_get_port(host_item *);
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260extern void host_mask(int, int *, int);
261extern int host_name_lookup(void);
6f0c9a4f 262extern int host_nmtoa(int, int *, int, uschar *, int);
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263extern uschar *host_ntoa(int, const void *, uschar *, int *);
264extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
265
94431adb 266extern uschar *imap_utf7_encode(uschar *, const uschar *,
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267 uschar, uschar *, uschar **);
268
83e029d5 269extern void invert_address(uschar *, uschar *);
7eb6c37c 270extern int ip_addr(void *, int, const uschar *, int);
059ec3d9 271extern int ip_bind(int, int, uschar *, int);
0ab63f3d 272extern int ip_connect(int, int, const uschar *, int, int, const blob *);
b1f8e4f8 273extern int ip_connectedsocket(int, const uschar *, int, int,
4a5cbaff 274 int, host_item *, uschar **, const blob *);
13363eba 275extern int ip_get_address_family(int);
55414b25 276extern void ip_keepalive(int, const uschar *, BOOL);
74f1a423 277extern int ip_recv(client_conn_ctx *, uschar *, int, int);
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278extern int ip_socket(int, int);
279
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280extern int ip_tcpsocket(const uschar *, uschar **, int);
281extern int ip_unixsocket(const uschar *, uschar **);
282extern int ip_streamsocket(const uschar *, uschar **, int);
283
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284extern int ipv6_nmtoa(int *, uschar *);
285
921b12ca 286extern uschar *local_part_quote(uschar *);
4840604e 287extern int log_create(uschar *);
921b12ca 288extern int log_create_as_exim(uschar *);
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289extern void log_close_all(void);
290
d185889f 291extern macro_item * macro_create(const uschar *, const uschar *, BOOL);
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292extern BOOL macro_read_assignment(uschar *);
293extern uschar *macros_expand(int, int *, BOOL *);
9cd319d9 294extern void mainlog_close(void);
8523533c 295#ifdef WITH_CONTENT_SCAN
0f0c8159 296extern int malware(const uschar *, int);
dbc4b90d 297extern int malware_in_file(uschar *);
476be7e2 298extern void malware_init(void);
c11d665d 299extern void malware_show_supported(FILE *);
8523533c 300#endif
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301extern int match_address_list(const uschar *, BOOL, BOOL, const uschar **,
302 unsigned int *, int, int, const uschar **);
36d295f1 303extern int match_address_list_basic(const uschar *, const uschar **, int);
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304extern int match_check_list(const uschar **, int, tree_node **, unsigned int **,
305 int(*)(void *, const uschar *, const uschar **, uschar **), void *, int,
306 const uschar *, const uschar **);
307extern int match_isinlist(const uschar *, const uschar **, int, tree_node **,
308 unsigned int *, int, BOOL, const uschar **);
309extern int match_check_string(const uschar *, const uschar *, int, BOOL, BOOL, BOOL,
310 const uschar **);
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311extern void md5_end(md5 *, const uschar *, int, uschar *);
312extern void md5_mid(md5 *, const uschar *);
313extern void md5_start(md5 *);
314extern void millisleep(int);
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315#ifdef WITH_CONTENT_SCAN
316struct mime_boundary_context;
54cdb463
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317extern int mime_acl_check(uschar *acl, FILE *f,
318 struct mime_boundary_context *, uschar **, uschar **);
55414b25 319extern int mime_decode(const uschar **);
f4d091fb 320extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);
55414b25 321extern int mime_regex(const uschar **);
f4d091fb 322extern void mime_set_anomaly(int);
8523533c 323#endif
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324extern uschar *moan_check_errorcopy(uschar *);
325extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
326 BOOL, uschar *);
e0df1c83 327extern void moan_smtp_batch(uschar *, const char *, ...) PRINTF_FUNCTION(2,3);
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328extern BOOL moan_send_message(uschar *, int, error_block *eblock,
329 header_line *, FILE *, uschar *);
1ba28e2b 330extern void moan_tell_someone(uschar *, address_item *,
e0df1c83 331 const uschar *, const char *, ...) PRINTF_FUNCTION(4,5);
059ec3d9 332extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
0e22dfd1 333extern void moan_write_from(FILE *);
1ba28e2b 334extern FILE *modefopen(const uschar *, const char *, mode_t);
059ec3d9 335
f9334a28 336extern int open_cutthrough_connection( address_item * addr );
e4bdf652 337
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338extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
339 BOOL);
340extern int parse_forward_list(uschar *, int, address_item **, uschar **,
55414b25 341 const uschar *, uschar *, error_block **);
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342extern uschar *parse_find_address_end(uschar *, BOOL);
343extern uschar *parse_find_at(uschar *);
55414b25 344extern const uschar *parse_fix_phrase(const uschar *, int, uschar *, int);
30dba1e6 345extern uschar *parse_message_id(uschar *, uschar **, uschar **);
55414b25 346extern const uschar *parse_quote_2047(const uschar *, int, uschar *, uschar *, int, BOOL);
43ad7b7d 347extern uschar *parse_date_time(uschar *str, time_t *t);
17c76198
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348extern int vaguely_random_number(int);
349#ifdef SUPPORT_TLS
350extern int vaguely_random_number_fallback(int);
351#endif
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352
353extern BOOL queue_action(uschar *, int, uschar **, int, int);
354extern void queue_check_only(void);
355extern void queue_list(int, uschar **, int);
356extern void queue_count(void);
357extern void queue_run(uschar *, uschar *, BOOL);
358
359extern int random_number(int);
aeb65e91 360extern const uschar *rc_to_string(int);
e4a89c47 361extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
efd9a422
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362 uschar *, uschar *, uschar *, ugid_block *, address_item **,
363 uschar **, error_block **, int *, uschar *);
059ec3d9
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364extern int rda_is_filter(const uschar *);
365extern BOOL readconf_depends(driver_instance *, uschar *);
366extern void readconf_driver_init(uschar *, driver_instance **,
367 driver_info *, int, void *, int, optionlist *, int);
368extern uschar *readconf_find_option(void *);
34e86e20 369extern void readconf_main(BOOL);
383832ef 370extern void readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
2be324ee 371extern BOOL readconf_print(uschar *, uschar *, BOOL);
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372extern uschar *readconf_printtime(int);
373extern uschar *readconf_readname(uschar *, int, uschar *);
1ad6489e 374extern int readconf_readtime(const uschar *, int, BOOL);
bf3c2c6b 375extern void readconf_rest(void);
55414b25 376extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
bf3c2c6b 377extern void readconf_save_config(const uschar *);
328895cc 378extern void read_message_body(BOOL);
8f128379 379extern void receive_bomb_out(uschar *, uschar *);
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380extern BOOL receive_check_fs(int);
381extern BOOL receive_check_set_sender(uschar *);
382extern BOOL receive_msg(BOOL);
a45431fa 383extern int_eximarith_t receive_statvfs(BOOL, int *);
059ec3d9 384extern void receive_swallow_smtp(void);
8523533c 385#ifdef WITH_CONTENT_SCAN
55414b25 386extern int regex(const uschar **);
8523533c 387#endif
1dc92d5a 388extern BOOL regex_match_and_setup(const pcre *, const uschar *, int, int);
476be7e2 389extern const pcre *regex_must_compile(const uschar *, BOOL, BOOL);
059ec3d9 390extern void retry_add_item(address_item *, uschar *, int);
55414b25 391extern BOOL retry_check_address(const uschar *, host_item *, uschar *, BOOL,
059ec3d9 392 uschar **, uschar **);
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393extern retry_config *retry_find_config(const uschar *, const uschar *, int, int);
394extern BOOL retry_ultimate_address_timeout(uschar *, const uschar *,
ba9af0af 395 dbdata_retry *, time_t);
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396extern void retry_update(address_item **, address_item **, address_item **);
397extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
398extern uschar *rewrite_address_qualify(uschar *, BOOL);
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399extern header_line *rewrite_header(header_line *,
400 const uschar *, const uschar *,
059ec3d9
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401 rewrite_rule *, int, BOOL);
402extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
403 rewrite_rule *);
404extern void rewrite_test(uschar *);
405extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
406 uschar **);
407extern int route_address(address_item *, address_item **, address_item **,
408 address_item **, address_item **, int);
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409extern int route_check_prefix(const uschar *, const uschar *);
410extern int route_check_suffix(const uschar *, const uschar *);
059ec3d9 411extern BOOL route_findgroup(uschar *, gid_t *);
55414b25 412extern BOOL route_finduser(const uschar *, struct passwd **, uid_t *);
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413extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
414 uschar **);
415extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
416 struct passwd **, uid_t *, uschar **);
417extern void route_init(void);
adf73d37 418extern void route_show_supported(FILE *);
059ec3d9
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419extern void route_tidyup(void);
420
55414b25 421extern uschar *search_find(void *, uschar *, uschar *, int, const uschar *, int,
059ec3d9 422 int, int *);
55414b25
JH
423extern int search_findtype(const uschar *, int);
424extern int search_findtype_partial(const uschar *, int *, const uschar **, int *,
059ec3d9
PH
425 int *);
426extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
427extern void search_tidyup(void);
e0df1c83 428extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
5fb822fc
JH
429extern void sha1_end(hctx *, const uschar *, int, uschar *);
430extern void sha1_mid(hctx *, const uschar *);
431extern void sha1_start(hctx *);
e4a89c47 432extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
efd9a422 433 uschar *, address_item **, uschar **);
059ec3d9 434extern void sigalrm_handler(int);
58eb016e 435extern BOOL smtp_buffered(void);
059ec3d9 436extern void smtp_closedown(uschar *);
9723f966
JH
437extern void smtp_command_timeout_exit(void);
438extern void smtp_command_sigterm_exit(void);
439extern void smtp_data_timeout_exit(void);
440extern void smtp_data_sigint_exit(void);
a09f2942 441extern uschar *smtp_cmd_hist(void);
ee8b8090 442extern int smtp_connect(smtp_connect_args *, const blob *);
7eb6c37c 443extern int smtp_sock_connect(host_item *, int, int, uschar *,
0ab63f3d 444 transport_instance * tb, int, const blob *);
059ec3d9
PH
445extern int smtp_feof(void);
446extern int smtp_ferror(void);
447extern uschar *smtp_get_connection_info(void);
6f6dedcc 448extern BOOL smtp_get_interface(uschar *, int, address_item *,
059ec3d9
PH
449 uschar **, uschar *);
450extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
bd8fbe36 451extern int smtp_getc(unsigned);
0d81dabc 452extern uschar *smtp_getbuf(unsigned *);
584e96c6 453extern void smtp_get_cache(void);
059ec3d9 454extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
b4ed4da0 455extern void smtp_log_no_mail(void);
4f6ae5c3 456extern void smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);
74f1a423 457extern void smtp_proxy_tls(void *, uschar *, size_t, int *, int);
251b9eb4 458extern BOOL smtp_read_response(void *, uschar *, int, int, int);
e04bfa34 459extern void smtp_reset(void *);
a5bd321b 460extern void smtp_respond(uschar *, int, BOOL, uschar *);
8f128379 461extern void smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
58c30e47 462extern void smtp_port_for_connect(host_item *, int);
059ec3d9
PH
463extern void smtp_send_prohibition_message(int, uschar *);
464extern int smtp_setup_msg(void);
465extern BOOL smtp_start_session(void);
466extern int smtp_ungetc(int);
d7b47fd0 467extern BOOL smtp_verify_helo(void);
251b9eb4 468extern int smtp_write_command(void *, int, const char *, ...) PRINTF_FUNCTION(3,4);
8523533c 469#ifdef WITH_CONTENT_SCAN
55414b25 470extern int spam(const uschar **);
040721f2 471extern FILE *spool_mbox(unsigned long *, const uschar *, uschar **);
8523533c 472#endif
4b4856ff 473extern void spool_clear_header_globals(void);
3369a853 474extern uschar *spool_dname(const uschar *, uschar *);
b4758425 475extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
4b4856ff 476extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
789f8a4f 477extern int spool_open_datafile(uschar *);
059ec3d9
PH
478extern int spool_open_temp(uschar *);
479extern int spool_read_header(uschar *, BOOL, BOOL);
4b4856ff 480extern uschar *spool_sname(const uschar *, uschar *);
059ec3d9 481extern int spool_write_header(uschar *, int, uschar **);
bd8fbe36 482extern int stdin_getc(unsigned);
059ec3d9
PH
483extern int stdin_feof(void);
484extern int stdin_ferror(void);
485extern int stdin_ungetc(int);
acec9514
JH
486extern gstring *string_append(gstring *, int, ...) WARN_UNUSED_RESULT;
487extern gstring *string_append_listele(gstring *, uschar, const uschar *) WARN_UNUSED_RESULT;
488extern gstring *string_append_listele_n(gstring *, uschar, const uschar *, unsigned) WARN_UNUSED_RESULT;
bce15b62 489extern gstring *string_append2_listele_n(gstring *, const uschar *, const uschar *, unsigned) WARN_UNUSED_RESULT;
059ec3d9 490extern uschar *string_base62(unsigned long int);
acec9514
JH
491extern gstring *string_cat (gstring *, const uschar * ) WARN_UNUSED_RESULT;
492extern gstring *string_catn(gstring *, const uschar *, int) WARN_UNUSED_RESULT;
84bbb4d8 493extern int string_compare_by_pointer(const void *, const void *);
059ec3d9 494extern uschar *string_copy_dnsdomain(uschar *);
55414b25 495extern uschar *string_copy_malloc(const uschar *);
1dc92d5a 496extern uschar *string_copylc(const uschar *);
059ec3d9 497extern uschar *string_copynlc(uschar *, int);
55414b25 498extern uschar *string_dequote(const uschar **);
d12746bc 499extern gstring *string_fmt_append(gstring *, const char *, ...) ALMOST_PRINTF(2,3);
81f91683 500extern BOOL string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4);
059ec3d9 501extern uschar *string_format_size(int, uschar *);
acec9514
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502extern uschar *string_from_gstring(gstring *);
503extern gstring *string_get(unsigned);
55414b25 504extern int string_interpret_escape(const uschar **);
b1f8e4f8 505extern int string_is_ip_address(const uschar *, int *);
8c5d388a 506#ifdef SUPPORT_I18N
0d7911ea
JH
507extern BOOL string_is_utf8(const uschar *);
508#endif
55414b25 509extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
e0df1c83 510extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
55414b25 511extern const uschar *string_printing2(const uschar *, BOOL);
e28326d8 512extern uschar *string_split_message(uschar *);
306c6c77 513extern uschar *string_timediff(struct timeval *);
0f1a8658 514extern uschar *string_timesince(struct timeval *);
c7396ac5 515extern uschar *string_unprinting(uschar *);
8c5d388a 516#ifdef SUPPORT_I18N
3c8b3577 517extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
0d7911ea
JH
518extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
519extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
520extern uschar *string_localpart_alabel_to_utf8(const uschar *, uschar **);
521extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
522#endif
d12746bc 523extern gstring *string_vformat(gstring *, BOOL, const char *, va_list);
1ba28e2b
PP
524extern int strcmpic(const uschar *, const uschar *);
525extern int strncmpic(const uschar *, const uschar *, int);
059ec3d9
PH
526extern uschar *strstric(uschar *, uschar *, BOOL);
527
10ac8d7f
JH
528#ifdef EXIM_TFO_PROBE
529extern void tfo_probe(void);
530#endif
32dfdf8b
JH
531extern void timesince(struct timeval * diff, struct timeval * then);
532extern void tls_modify_variables(tls_support *);
059ec3d9 533extern uschar *tod_stamp(int);
41afb5cb 534
55414b25 535extern BOOL transport_check_waiting(const uschar *, const uschar *, int, uschar *,
a39bd74d 536 BOOL *, oicf, void*);
059ec3d9 537extern void transport_init(void);
57cc2785
JH
538extern void transport_do_pass_socket(const uschar *, const uschar *,
539 const uschar *, uschar *, int);
55414b25 540extern BOOL transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
059ec3d9
PH
541 int);
542extern uschar *transport_rcpt_address(address_item *, BOOL);
55414b25
JH
543extern BOOL transport_set_up_command(const uschar ***, uschar *,
544 BOOL, int, address_item *, uschar *, uschar **);
059ec3d9 545extern void transport_update_waiting(host_item *, uschar *);
42055a33
JH
546extern BOOL transport_write_block(transport_ctx *, uschar *, int, BOOL);
547extern void transport_write_reset(int);
1ba28e2b 548extern BOOL transport_write_string(int, const char *, ...);
42055a33
JH
549extern BOOL transport_headers_send(transport_ctx *,
550 BOOL (*)(transport_ctx *, uschar *, int));
adf73d37 551extern void transport_show_supported(FILE *);
42055a33 552extern BOOL transport_write_message(transport_ctx *, int);
059ec3d9
PH
553extern void tree_add_duplicate(uschar *, address_item *);
554extern void tree_add_nonrecipient(uschar *);
555extern void tree_add_unusable(host_item *);
556extern int tree_insertnode(tree_node **, tree_node *);
55414b25 557extern tree_node *tree_search(tree_node *, const uschar *);
059ec3d9 558extern void tree_write(tree_node *, FILE *);
38a0a95f 559extern void tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
059ec3d9 560
8523533c
TK
561#ifdef WITH_CONTENT_SCAN
562extern void unspool_mbox(void);
563#endif
8c5d388a 564#ifdef SUPPORT_I18N
fc362fc5
JH
565extern void utf8_version_report(FILE *);
566#endif
8523533c 567
4deaf07d
PH
568extern int verify_address(address_item *, FILE *, int, int, int, int,
569 uschar *, uschar *, BOOL *);
379ba7d0 570extern int verify_check_dnsbl(int, const uschar **, uschar **);
4deaf07d 571extern int verify_check_header_address(uschar **, uschar **, int, int, int,
fe5b5d0b 572 uschar *, uschar *, int, int *);
059ec3d9 573extern int verify_check_headers(uschar **);
770747fd 574extern int verify_check_header_names_ascii(uschar **);
059ec3d9 575extern int verify_check_host(uschar **);
1c41c9cc 576extern int verify_check_notblind(void);
3fb3231c 577extern int verify_check_given_host(const uschar **, const host_item *);
55414b25
JH
578extern int verify_check_this_host(const uschar **, unsigned int *,
579 const uschar*, const uschar *, const uschar **);
059ec3d9
PH
580extern address_item *verify_checked_sender(uschar *);
581extern void verify_get_ident(int);
582extern BOOL verify_sender(int *, uschar **);
583extern BOOL verify_sender_preliminary(int *, uschar **);
584extern void version_init(void);
585
42055a33 586extern BOOL write_chunk(transport_ctx *, uschar *, int);
17c76198
PP
587extern ssize_t write_to_fd_buf(int, const uschar *, size_t);
588
acec9514 589
9d1c15ef
JH
590/* vi: aw
591*/
059ec3d9 592/* End of functions.h */