1 /* $Cambridge: exim/src/src/functions.h,v 1.48 2010/06/05 09:10:10 pdp Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2009 */
8 /* See the file NOTICE for conditions of use and distribution. */
11 /* Prototypes for functions that appear in various modules. Gathered together
12 to avoid having a lot of tiddly little headers with only a couple of lines in
13 them. However, some functions that are used (or not used) by utility programs
14 are in in fact in separate headers. */
18 extern uschar
*call_perl_cat(uschar
*, int *, int *, uschar
**, uschar
*,
20 extern void cleanup_perl(void);
21 extern uschar
*init_perl(uschar
*);
26 extern int tls_client_start(int, host_item
*, address_item
*, uschar
*,
27 uschar
*, uschar
*, uschar
*, uschar
*, uschar
*, uschar
*,
28 uschar
*, uschar
*, int);
29 extern void tls_close(BOOL
);
30 extern int tls_feof(void);
31 extern int tls_ferror(void);
32 extern int tls_getc(void);
33 extern int tls_read(uschar
*, size_t);
34 extern int tls_server_start(uschar
*, uschar
*, uschar
*, uschar
*);
35 extern BOOL
tls_smtp_buffered(void);
36 extern int tls_ungetc(int);
37 extern int tls_write(const uschar
*, size_t);
38 extern void tls_version_report(FILE *);
40 extern BOOL
tls_openssl_options_parse(uschar
*, long *);
45 /* Everything else... */
47 extern acl_block
*acl_read(uschar
*(*)(void), uschar
**);
48 extern int acl_check(int, uschar
*, uschar
*, uschar
**, uschar
**);
49 extern tree_node
*acl_var_create(uschar
*);
50 extern void acl_var_write(uschar
*, uschar
*, void *);
51 extern uschar
*auth_b64encode(uschar
*, int);
52 extern int auth_b64decode(uschar
*, uschar
**);
53 extern int auth_call_pam(uschar
*, uschar
**);
54 extern int auth_call_pwcheck(uschar
*, uschar
**);
55 extern int auth_call_radius(uschar
*, uschar
**);
56 extern int auth_call_saslauthd(uschar
*, uschar
*, uschar
*, uschar
*,
58 extern int auth_check_serv_cond(auth_instance
*);
59 extern int auth_get_data(uschar
**, uschar
*, int);
60 extern int auth_get_no64_data(uschar
**, uschar
*);
61 extern uschar
*auth_xtextencode(uschar
*, int);
62 extern int auth_xtextdecode(uschar
*, uschar
**);
64 extern int check_host(void *, uschar
*, uschar
**, uschar
**);
65 extern uschar
**child_exec_exim(int, BOOL
, int *, BOOL
, int, ...);
66 extern pid_t
child_open_uid(uschar
**, uschar
**, int, uid_t
*, gid_t
*,
67 int *, int *, uschar
*, BOOL
);
69 extern void daemon_go(void);
71 #ifdef EXPERIMENTAL_DCC
72 extern int dcc_process(uschar
**);
75 extern void debug_print_argv(uschar
**);
76 extern void debug_print_ids(uschar
*);
77 extern void debug_print_string(uschar
*);
78 extern void debug_print_tree(tree_node
*);
79 extern void debug_vprintf(char *, va_list);
80 extern address_item
*deliver_make_addr(uschar
*, BOOL
);
81 extern int deliver_message(uschar
*, BOOL
, BOOL
);
82 extern void deliver_msglog(const char *, ...);
83 extern void deliver_set_expansions(address_item
*);
84 extern int deliver_split_address(address_item
*);
85 extern void deliver_succeeded(address_item
*);
86 #ifdef WITH_OLD_DEMIME
87 extern int demime(uschar
**);
89 extern BOOL
directory_make(uschar
*, uschar
*, int, BOOL
);
91 extern BOOL
dkim_transport_write_message(address_item
*, int, int,
92 int, uschar
*, uschar
*, uschar
*, uschar
*, rewrite_rule
*,
93 int, uschar
*, uschar
*, uschar
*, uschar
*, uschar
*, uschar
*);
95 extern dns_address
*dns_address_from_rr(dns_answer
*, dns_record
*);
96 extern void dns_build_reverse(uschar
*, uschar
*);
97 extern void dns_init(BOOL
, BOOL
);
98 extern int dns_basic_lookup(dns_answer
*, uschar
*, int);
99 extern int dns_lookup(dns_answer
*, uschar
*, int, uschar
**);
100 extern int dns_special_lookup(dns_answer
*, uschar
*, int, uschar
**);
101 extern dns_record
*dns_next_rr(dns_answer
*, dns_scan
*, int);
102 extern uschar
*dns_text_type(int);
104 extern void enq_end(uschar
*);
105 extern BOOL
enq_start(uschar
*);
106 extern void exim_exit(int);
107 extern void exim_nullstd(void);
108 extern void exim_setugid(uid_t
, gid_t
, BOOL
, uschar
*);
109 extern int exim_tvcmp(struct timeval
*, struct timeval
*);
110 extern void exim_wait_tick(struct timeval
*, int);
111 extern BOOL
expand_check_condition(uschar
*, uschar
*, uschar
*);
112 extern uschar
*expand_string(uschar
*);
113 extern uschar
*expand_string_copy(uschar
*);
114 extern int expand_string_integer(uschar
*, BOOL
);
116 extern int filter_interpret(uschar
*, int, address_item
**, uschar
**);
117 extern BOOL
filter_personal(string_item
*, BOOL
);
118 extern BOOL
filter_runtest(int, uschar
*, BOOL
, BOOL
);
119 extern BOOL
filter_system_interpret(address_item
**, uschar
**);
121 extern void header_add(int, char *, ...);
122 extern int header_checkname(header_line
*, BOOL
);
123 extern BOOL
header_match(uschar
*, BOOL
, BOOL
, string_item
*, int, ...);
124 extern int host_address_extract_port(uschar
*);
125 extern uschar
*host_and_ident(BOOL
);
126 extern int host_aton(uschar
*, int *);
127 extern void host_build_hostlist(host_item
**, uschar
*, BOOL
);
128 extern ip_address_item
*host_build_ifacelist(uschar
*, uschar
*);
129 extern void host_build_log_info(void);
130 extern void host_build_sender_fullhost(void);
131 extern BOOL
host_find_byname(host_item
*, uschar
*, int, uschar
**, BOOL
);
132 extern int host_find_bydns(host_item
*, uschar
*, int, uschar
*, uschar
*,
133 uschar
*,uschar
**, BOOL
*);
134 extern ip_address_item
*host_find_interfaces(void);
135 extern BOOL
host_is_in_net(uschar
*, uschar
*, int);
136 extern BOOL
host_is_tls_on_connect_port(int);
137 extern int host_item_get_port(host_item
*);
138 extern void host_mask(int, int *, int);
139 extern int host_name_lookup(void);
140 extern int host_nmtoa(int, int *, int, uschar
*, int);
141 extern uschar
*host_ntoa(int, const void *, uschar
*, int *);
142 extern int host_scan_for_local_hosts(host_item
*, host_item
**, BOOL
*);
144 extern int ip_bind(int, int, uschar
*, int);
145 extern int ip_connect(int, int, uschar
*, int, int);
146 extern void ip_keepalive(int, uschar
*, BOOL
);
147 extern int ip_recv(int, uschar
*, int, int);
148 extern int ip_socket(int, int);
150 extern uschar
*local_part_quote(uschar
*lpart
);
151 extern void log_close_all(void);
153 #ifdef WITH_CONTENT_SCAN
154 extern int malware(uschar
**);
156 extern int match_address_list(uschar
*, BOOL
, BOOL
, uschar
**,
157 unsigned int *, int, int, uschar
**);
158 extern int match_check_list(uschar
**, int, tree_node
**, unsigned int **,
159 int(*)(void *, uschar
*, uschar
**, uschar
**), void *, int,
160 uschar
*, uschar
**);
161 extern int match_isinlist(uschar
*, uschar
**, int, tree_node
**,
162 unsigned int *, int, BOOL
, uschar
**);
163 extern int match_check_string(uschar
*, uschar
*, int, BOOL
, BOOL
, BOOL
,
165 extern void md5_end(md5
*, const uschar
*, int, uschar
*);
166 extern void md5_mid(md5
*, const uschar
*);
167 extern void md5_start(md5
*);
168 extern void millisleep(int);
169 #ifdef WITH_CONTENT_SCAN
170 struct mime_boundary_context
;
171 extern int mime_acl_check(uschar
*acl
, FILE *f
,
172 struct mime_boundary_context
*, uschar
**, uschar
**);
173 extern int mime_decode(uschar
**);
174 extern int mime_regex(uschar
**);
176 extern uschar
*moan_check_errorcopy(uschar
*);
177 extern BOOL
moan_skipped_syntax_errors(uschar
*, error_block
*, uschar
*,
179 extern void moan_smtp_batch(uschar
*, char *, ...);
180 extern void moan_tell_someone(uschar
*, address_item
*, uschar
*, char *,
182 extern BOOL
moan_to_sender(int, error_block
*, header_line
*, FILE *, BOOL
);
183 extern void moan_write_from(FILE *);
184 extern FILE *modefopen(uschar
*, char *, mode_t
);
186 extern uschar
*parse_extract_address(uschar
*, uschar
**, int *, int *, int *,
188 extern int parse_forward_list(uschar
*, int, address_item
**, uschar
**,
189 uschar
*, uschar
*, error_block
**);
190 extern uschar
*parse_find_address_end(uschar
*, BOOL
);
191 extern uschar
*parse_find_at(uschar
*);
192 extern uschar
*parse_fix_phrase(uschar
*, int, uschar
*, int);
193 extern uschar
*parse_message_id(uschar
*, uschar
**, uschar
**);
194 extern uschar
*parse_quote_2047(uschar
*, int, uschar
*, uschar
*, int, BOOL
);
195 extern uschar
*parse_date_time(uschar
*str
, time_t *t
);
196 extern int pseudo_random_number(int);
198 extern BOOL
queue_action(uschar
*, int, uschar
**, int, int);
199 extern void queue_check_only(void);
200 extern void queue_list(int, uschar
**, int);
201 extern void queue_count(void);
202 extern void queue_run(uschar
*, uschar
*, BOOL
);
204 extern int random_number(int);
205 #ifdef WITH_CONTENT_SCAN
206 extern int recv_line(int, uschar
*, int);
208 extern int rda_interpret(redirect_block
*, int, uschar
*, uschar
*,
209 uschar
*, uschar
*, uschar
*, ugid_block
*, address_item
**,
210 uschar
**, error_block
**, int *, uschar
*);
211 extern int rda_is_filter(const uschar
*);
212 extern BOOL
readconf_depends(driver_instance
*, uschar
*);
213 extern void readconf_driver_init(uschar
*, driver_instance
**,
214 driver_info
*, int, void *, int, optionlist
*, int);
215 extern uschar
*readconf_find_option(void *);
216 extern void readconf_main(void);
217 extern void readconf_print(uschar
*, uschar
*);
218 extern uschar
*readconf_printtime(int);
219 extern uschar
*readconf_readname(uschar
*, int, uschar
*);
220 extern int readconf_readtime(uschar
*, int, BOOL
);
221 extern void readconf_rest(BOOL
);
222 extern uschar
*readconf_retry_error(uschar
*, uschar
*, int *, int *);
223 extern void read_message_body(BOOL
);
224 extern void receive_bomb_out(uschar
*, uschar
*);
225 extern BOOL
receive_check_fs(int);
226 extern BOOL
receive_check_set_sender(uschar
*);
227 extern BOOL
receive_msg(BOOL
);
228 extern int receive_statvfs(BOOL
, int *);
229 extern void receive_swallow_smtp(void);
230 #ifdef WITH_CONTENT_SCAN
231 extern int regex(uschar
**);
233 extern BOOL
regex_match_and_setup(const pcre
*, uschar
*, int, int);
234 extern const pcre
*regex_must_compile(uschar
*, BOOL
, BOOL
);
235 extern void retry_add_item(address_item
*, uschar
*, int);
236 extern BOOL
retry_check_address(uschar
*, host_item
*, uschar
*, BOOL
,
237 uschar
**, uschar
**);
238 extern retry_config
*retry_find_config(uschar
*, uschar
*, int, int);
239 extern void retry_update(address_item
**, address_item
**, address_item
**);
240 extern uschar
*rewrite_address(uschar
*, BOOL
, BOOL
, rewrite_rule
*, int);
241 extern uschar
*rewrite_address_qualify(uschar
*, BOOL
);
242 extern header_line
*rewrite_header(header_line
*, uschar
*, uschar
*,
243 rewrite_rule
*, int, BOOL
);
244 extern uschar
*rewrite_one(uschar
*, int, BOOL
*, BOOL
, uschar
*,
246 extern void rewrite_test(uschar
*);
247 extern uschar
*rfc2047_decode2(uschar
*, BOOL
, uschar
*, int, int *, int *,
249 extern int route_address(address_item
*, address_item
**, address_item
**,
250 address_item
**, address_item
**, int);
251 extern int route_check_prefix(uschar
*, uschar
*);
252 extern int route_check_suffix(uschar
*, uschar
*);
253 extern BOOL
route_findgroup(uschar
*, gid_t
*);
254 extern BOOL
route_finduser(uschar
*, struct passwd
**, uid_t
*);
255 extern BOOL
route_find_expanded_group(uschar
*, uschar
*, uschar
*, gid_t
*,
257 extern BOOL
route_find_expanded_user(uschar
*, uschar
*, uschar
*,
258 struct passwd
**, uid_t
*, uschar
**);
259 extern void route_init(void);
260 extern void route_tidyup(void);
262 extern uschar
*search_find(void *, uschar
*, uschar
*, int, uschar
*, int,
264 extern int search_findtype(uschar
*, int);
265 extern int search_findtype_partial(uschar
*, int *, uschar
**, int *,
267 extern void *search_open(uschar
*, int, int, uid_t
*, gid_t
*);
268 extern void search_tidyup(void);
269 extern void set_process_info(char *, ...);
270 extern void sha1_end(sha1
*, const uschar
*, int, uschar
*);
271 extern void sha1_mid(sha1
*, const uschar
*);
272 extern void sha1_start(sha1
*);
273 extern int sieve_interpret(uschar
*, int, uschar
*, uschar
*, uschar
*,
274 uschar
*, address_item
**, uschar
**);
275 extern void sigalrm_handler(int);
276 extern BOOL
smtp_buffered(void);
277 extern void smtp_closedown(uschar
*);
278 extern int smtp_connect(host_item
*, int, int, uschar
*, int, BOOL
);
279 extern int smtp_feof(void);
280 extern int smtp_ferror(void);
281 extern uschar
*smtp_get_connection_info(void);
282 extern BOOL
smtp_get_interface(uschar
*, int, address_item
*, BOOL
*,
283 uschar
**, uschar
*);
284 extern BOOL
smtp_get_port(uschar
*, address_item
*, int *, uschar
*);
285 extern int smtp_getc(void);
286 extern int smtp_handle_acl_fail(int, int, uschar
*, uschar
*);
287 extern void smtp_log_no_mail(void);
288 extern void smtp_message_code(uschar
**, int *, uschar
**, uschar
**);
289 extern BOOL
smtp_read_response(smtp_inblock
*, uschar
*, int, int, int);
290 extern void smtp_respond(uschar
*, int, BOOL
, uschar
*);
291 extern void smtp_notquit_exit(uschar
*, uschar
*, uschar
*, ...);
292 extern void smtp_send_prohibition_message(int, uschar
*);
293 extern int smtp_setup_msg(void);
294 extern BOOL
smtp_start_session(void);
295 extern int smtp_ungetc(int);
296 extern BOOL
smtp_verify_helo(void);
297 extern int smtp_write_command(smtp_outblock
*, BOOL
, char *, ...);
298 #ifdef WITH_CONTENT_SCAN
299 extern int spam(uschar
**);
300 extern FILE *spool_mbox(unsigned long *);
302 extern BOOL
spool_move_message(uschar
*, uschar
*, uschar
*, uschar
*);
303 extern BOOL
spool_open_datafile(uschar
*);
304 extern int spool_open_temp(uschar
*);
305 extern int spool_read_header(uschar
*, BOOL
, BOOL
);
306 extern int spool_write_header(uschar
*, int, uschar
**);
307 extern int stdin_getc(void);
308 extern int stdin_feof(void);
309 extern int stdin_ferror(void);
310 extern int stdin_ungetc(int);
311 extern uschar
*string_append(uschar
*, int *, int *, int, ...);
312 extern uschar
*string_base62(unsigned long int);
313 extern uschar
*string_cat(uschar
*, int *, int *, const uschar
*, int);
314 extern uschar
*string_copy_dnsdomain(uschar
*);
315 extern uschar
*string_copy_malloc(uschar
*);
316 extern uschar
*string_copylc(uschar
*);
317 extern uschar
*string_copynlc(uschar
*, int);
318 extern uschar
*string_dequote(uschar
**);
319 extern BOOL
string_format(uschar
*, int, char *, ...);
320 extern uschar
*string_format_size(int, uschar
*);
321 extern int string_interpret_escape(uschar
**);
322 extern int string_is_ip_address(uschar
*, int *);
323 extern uschar
*string_log_address(address_item
*, BOOL
, BOOL
);
324 extern uschar
*string_nextinlist(uschar
**, int *, uschar
*, int);
325 extern uschar
*string_open_failed(int, char *, ...);
326 extern uschar
*string_printing2(uschar
*, BOOL
);
327 extern uschar
*string_split_message(uschar
*);
328 extern BOOL
string_vformat(uschar
*, int, char *, va_list);
329 extern int strcmpic(uschar
*, uschar
*);
330 extern int strncmpic(uschar
*, uschar
*, int);
331 extern uschar
*strstric(uschar
*, uschar
*, BOOL
);
333 extern uschar
*tod_stamp(int);
334 extern BOOL
transport_check_waiting(uschar
*, uschar
*, int, uschar
*,
336 extern void transport_init(void);
337 extern BOOL
transport_pass_socket(uschar
*, uschar
*, uschar
*, uschar
*,
339 extern uschar
*transport_rcpt_address(address_item
*, BOOL
);
340 extern BOOL
transport_set_up_command(uschar
***, uschar
*, BOOL
, int,
341 address_item
*, uschar
*, uschar
**);
342 extern void transport_update_waiting(host_item
*, uschar
*);
343 extern BOOL
transport_write_block(int, uschar
*, int);
344 extern BOOL
transport_write_string(int, char *, ...);
345 extern BOOL
transport_write_message(address_item
*, int, int, int, uschar
*,
346 uschar
*, uschar
*, uschar
*, rewrite_rule
*, int);
347 extern void tree_add_duplicate(uschar
*, address_item
*);
348 extern void tree_add_nonrecipient(uschar
*);
349 extern void tree_add_unusable(host_item
*);
350 extern int tree_insertnode(tree_node
**, tree_node
*);
351 extern tree_node
*tree_search(tree_node
*, uschar
*);
352 extern void tree_write(tree_node
*, FILE *);
353 extern void tree_walk(tree_node
*, void (*)(uschar
*, uschar
*, void*), void *);
355 #ifdef WITH_CONTENT_SCAN
356 extern void unspool_mbox(void);
359 extern int verify_address(address_item
*, FILE *, int, int, int, int,
360 uschar
*, uschar
*, BOOL
*);
361 extern int verify_check_dnsbl(uschar
**);
362 extern int verify_check_header_address(uschar
**, uschar
**, int, int, int,
363 uschar
*, uschar
*, int, int *);
364 extern int verify_check_headers(uschar
**);
365 extern int verify_check_host(uschar
**);
366 extern int verify_check_notblind(void);
367 extern int verify_check_this_host(uschar
**, unsigned int *, uschar
*,
368 uschar
*, uschar
**);
369 extern address_item
*verify_checked_sender(uschar
*);
370 extern void verify_get_ident(int);
371 extern BOOL
verify_sender(int *, uschar
**);
372 extern BOOL
verify_sender_preliminary(int *, uschar
**);
373 extern void version_init(void);
375 /* End of functions.h */