1 /* $Cambridge: exim/src/src/functions.h,v 1.37 2007/04/13 15:13:47 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2007 */
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);
41 /* Everything else... */
43 extern acl_block
*acl_read(uschar
*(*)(void), uschar
**);
44 extern int acl_check(int, uschar
*, uschar
*, uschar
**, uschar
**);
45 extern tree_node
*acl_var_create(uschar
*);
46 extern void acl_var_write(uschar
*, uschar
*, void *);
47 extern uschar
*auth_b64encode(uschar
*, int);
48 extern int auth_b64decode(uschar
*, uschar
**);
49 extern int auth_call_pam(uschar
*, uschar
**);
50 extern int auth_call_pwcheck(uschar
*, uschar
**);
51 extern int auth_call_radius(uschar
*, uschar
**);
52 extern int auth_call_saslauthd(uschar
*, uschar
*, uschar
*, uschar
*,
54 extern int auth_check_serv_cond(auth_instance
*);
55 extern int auth_get_data(uschar
**, uschar
*, int);
56 extern int auth_get_no64_data(uschar
**, uschar
*);
57 extern uschar
*auth_xtextencode(uschar
*, int);
58 extern int auth_xtextdecode(uschar
*, uschar
**);
60 extern int check_host(void *, uschar
*, uschar
**, uschar
**);
61 extern uschar
**child_exec_exim(int, BOOL
, int *, BOOL
, int, ...);
62 extern pid_t
child_open_uid(uschar
**, uschar
**, int, uid_t
*, gid_t
*,
63 int *, int *, uschar
*, BOOL
);
65 extern void daemon_go(void);
66 extern void debug_print_argv(uschar
**);
67 extern void debug_print_ids(uschar
*);
68 extern void debug_print_string(uschar
*);
69 extern void debug_print_tree(tree_node
*);
70 extern void debug_vprintf(char *, va_list);
71 extern address_item
*deliver_make_addr(uschar
*, BOOL
);
72 extern int deliver_message(uschar
*, BOOL
, BOOL
);
73 extern void deliver_msglog(const char *, ...);
74 extern void deliver_set_expansions(address_item
*);
75 extern int deliver_split_address(address_item
*);
76 extern void deliver_succeeded(address_item
*);
77 #ifdef WITH_OLD_DEMIME
78 extern int demime(uschar
**);
80 extern BOOL
directory_make(uschar
*, uschar
*, int, BOOL
);
81 #ifdef EXPERIMENTAL_DOMAINKEYS
82 extern BOOL
dk_transport_write_message(address_item
*, int, int,
83 int, uschar
*, uschar
*, uschar
*, uschar
*, rewrite_rule
*,
84 int, uschar
*, uschar
*, uschar
*, uschar
*, uschar
*, uschar
*);
86 extern dns_address
*dns_address_from_rr(dns_answer
*, dns_record
*);
87 extern void dns_build_reverse(uschar
*, uschar
*);
88 extern void dns_init(BOOL
, BOOL
);
89 extern int dns_basic_lookup(dns_answer
*, uschar
*, int);
90 extern int dns_lookup(dns_answer
*, uschar
*, int, uschar
**);
91 extern int dns_special_lookup(dns_answer
*, uschar
*, int, uschar
**);
92 extern dns_record
*dns_next_rr(dns_answer
*, dns_scan
*, int);
93 extern uschar
*dns_text_type(int);
95 extern void enq_end(uschar
*);
96 extern BOOL
enq_start(uschar
*);
97 extern void exim_exit(int);
98 extern void exim_nullstd(void);
99 extern void exim_setugid(uid_t
, gid_t
, BOOL
, uschar
*);
100 extern int exim_tvcmp(struct timeval
*, struct timeval
*);
101 extern void exim_wait_tick(struct timeval
*, int);
102 extern BOOL
expand_check_condition(uschar
*, uschar
*, uschar
*);
103 extern uschar
*expand_string(uschar
*);
104 extern uschar
*expand_string_copy(uschar
*);
105 extern int expand_string_integer(uschar
*, BOOL
);
107 extern int filter_interpret(uschar
*, int, address_item
**, uschar
**);
108 extern BOOL
filter_personal(string_item
*, BOOL
);
109 extern BOOL
filter_runtest(int, uschar
*, BOOL
, BOOL
);
110 extern BOOL
filter_system_interpret(address_item
**, uschar
**);
112 extern void header_add(int, char *, ...);
113 extern int header_checkname(header_line
*, BOOL
);
114 extern BOOL
header_match(uschar
*, BOOL
, BOOL
, string_item
*, int, ...);
115 extern int host_address_extract_port(uschar
*);
116 extern uschar
*host_and_ident(BOOL
);
117 extern int host_aton(uschar
*, int *);
118 extern void host_build_hostlist(host_item
**, uschar
*, BOOL
);
119 extern ip_address_item
*host_build_ifacelist(uschar
*, uschar
*);
120 extern void host_build_log_info(void);
121 extern void host_build_sender_fullhost(void);
122 extern BOOL
host_find_byname(host_item
*, uschar
*, int, uschar
**, BOOL
);
123 extern int host_find_bydns(host_item
*, uschar
*, int, uschar
*, uschar
*,
124 uschar
*,uschar
**, BOOL
*);
125 extern ip_address_item
*host_find_interfaces(void);
126 extern BOOL
host_is_in_net(uschar
*, uschar
*, int);
127 extern BOOL
host_is_tls_on_connect_port(int);
128 extern int host_item_get_port(host_item
*);
129 extern void host_mask(int, int *, int);
130 extern int host_name_lookup(void);
131 extern int host_nmtoa(int, int *, int, uschar
*, int);
132 extern uschar
*host_ntoa(int, const void *, uschar
*, int *);
133 extern int host_scan_for_local_hosts(host_item
*, host_item
**, BOOL
*);
135 extern int ip_bind(int, int, uschar
*, int);
136 extern int ip_connect(int, int, uschar
*, int, int);
137 extern void ip_keepalive(int, uschar
*, BOOL
);
138 extern int ip_recv(int, uschar
*, int, int);
139 extern int ip_socket(int, int);
141 extern uschar
*local_part_quote(uschar
*lpart
);
142 extern void log_close_all(void);
144 #ifdef WITH_CONTENT_SCAN
145 extern int malware(uschar
**);
147 extern int match_address_list(uschar
*, BOOL
, BOOL
, uschar
**,
148 unsigned int *, int, int, uschar
**);
149 extern int match_check_list(uschar
**, int, tree_node
**, unsigned int **,
150 int(*)(void *, uschar
*, uschar
**, uschar
**), void *, int,
151 uschar
*, uschar
**);
152 extern int match_isinlist(uschar
*, uschar
**, int, tree_node
**,
153 unsigned int *, int, BOOL
, uschar
**);
154 extern int match_check_string(uschar
*, uschar
*, int, BOOL
, BOOL
, BOOL
,
156 extern void md5_end(md5
*, const uschar
*, int, uschar
*);
157 extern void md5_mid(md5
*, const uschar
*);
158 extern void md5_start(md5
*);
159 extern void millisleep(int);
160 #ifdef WITH_CONTENT_SCAN
161 struct mime_boundary_context
;
162 extern int mime_acl_check(uschar
*acl
, FILE *f
,
163 struct mime_boundary_context
*, uschar
**, uschar
**);
164 extern int mime_decode(uschar
**);
165 extern int mime_regex(uschar
**);
167 extern uschar
*moan_check_errorcopy(uschar
*);
168 extern BOOL
moan_skipped_syntax_errors(uschar
*, error_block
*, uschar
*,
170 extern void moan_smtp_batch(uschar
*, char *, ...);
171 extern void moan_tell_someone(uschar
*, address_item
*, uschar
*, char *,
173 extern BOOL
moan_to_sender(int, error_block
*, header_line
*, FILE *, BOOL
);
174 extern void moan_write_from(FILE *);
175 extern FILE *modefopen(uschar
*, char *, mode_t
);
177 extern uschar
*parse_extract_address(uschar
*, uschar
**, int *, int *, int *,
179 extern int parse_forward_list(uschar
*, int, address_item
**, uschar
**,
180 uschar
*, uschar
*, error_block
**);
181 extern uschar
*parse_find_address_end(uschar
*, BOOL
);
182 extern uschar
*parse_find_at(uschar
*);
183 extern uschar
*parse_fix_phrase(uschar
*, int, uschar
*, int);
184 extern uschar
*parse_message_id(uschar
*, uschar
**, uschar
**);
185 extern uschar
*parse_quote_2047(uschar
*, int, uschar
*, uschar
*, int, BOOL
);
187 extern BOOL
queue_action(uschar
*, int, uschar
**, int, int);
188 extern void queue_check_only(void);
189 extern void queue_list(int, uschar
**, int);
190 extern void queue_count(void);
191 extern void queue_run(uschar
*, uschar
*, BOOL
);
193 extern int random_number(int);
194 #ifdef WITH_CONTENT_SCAN
195 extern int recv_line(int, uschar
*, int);
197 extern int rda_interpret(redirect_block
*, int, uschar
*, uschar
*,
198 uschar
*, uschar
*, ugid_block
*, address_item
**, uschar
**,
199 error_block
**, int *, uschar
*);
200 extern int rda_is_filter(const uschar
*);
201 extern BOOL
readconf_depends(driver_instance
*, uschar
*);
202 extern void readconf_driver_init(uschar
*, driver_instance
**,
203 driver_info
*, int, void *, int, optionlist
*, int);
204 extern uschar
*readconf_find_option(void *);
205 extern void readconf_main(void);
206 extern void readconf_print(uschar
*, uschar
*);
207 extern uschar
*readconf_printtime(int);
208 extern uschar
*readconf_readname(uschar
*, int, uschar
*);
209 extern int readconf_readtime(uschar
*, int, BOOL
);
210 extern void readconf_rest(BOOL
);
211 extern uschar
*readconf_retry_error(uschar
*, uschar
*, int *, int *);
212 extern void read_message_body(BOOL
);
213 extern void receive_bomb_out(uschar
*);
214 extern BOOL
receive_check_fs(int);
215 extern BOOL
receive_check_set_sender(uschar
*);
216 extern BOOL
receive_msg(BOOL
);
217 extern int receive_statvfs(BOOL
, int *);
218 extern void receive_swallow_smtp(void);
219 #ifdef WITH_CONTENT_SCAN
220 extern int regex(uschar
**);
222 extern BOOL
regex_match_and_setup(const pcre
*, uschar
*, int, int);
223 extern const pcre
*regex_must_compile(uschar
*, BOOL
, BOOL
);
224 extern void retry_add_item(address_item
*, uschar
*, int);
225 extern BOOL
retry_check_address(uschar
*, host_item
*, uschar
*, BOOL
,
226 uschar
**, uschar
**);
227 extern retry_config
*retry_find_config(uschar
*, uschar
*, int, int);
228 extern void retry_update(address_item
**, address_item
**, address_item
**);
229 extern uschar
*rewrite_address(uschar
*, BOOL
, BOOL
, rewrite_rule
*, int);
230 extern uschar
*rewrite_address_qualify(uschar
*, BOOL
);
231 extern header_line
*rewrite_header(header_line
*, uschar
*, uschar
*,
232 rewrite_rule
*, int, BOOL
);
233 extern uschar
*rewrite_one(uschar
*, int, BOOL
*, BOOL
, uschar
*,
235 extern void rewrite_test(uschar
*);
236 extern uschar
*rfc2047_decode2(uschar
*, BOOL
, uschar
*, int, int *, int *,
238 extern int route_address(address_item
*, address_item
**, address_item
**,
239 address_item
**, address_item
**, int);
240 extern int route_check_prefix(uschar
*, uschar
*);
241 extern int route_check_suffix(uschar
*, uschar
*);
242 extern BOOL
route_findgroup(uschar
*, gid_t
*);
243 extern BOOL
route_finduser(uschar
*, struct passwd
**, uid_t
*);
244 extern BOOL
route_find_expanded_group(uschar
*, uschar
*, uschar
*, gid_t
*,
246 extern BOOL
route_find_expanded_user(uschar
*, uschar
*, uschar
*,
247 struct passwd
**, uid_t
*, uschar
**);
248 extern void route_init(void);
249 extern void route_tidyup(void);
251 extern uschar
*search_find(void *, uschar
*, uschar
*, int, uschar
*, int,
253 extern int search_findtype(uschar
*, int);
254 extern int search_findtype_partial(uschar
*, int *, uschar
**, int *,
256 extern void *search_open(uschar
*, int, int, uid_t
*, gid_t
*);
257 extern void search_tidyup(void);
258 extern void set_process_info(char *, ...);
259 extern void sha1_end(sha1
*, const uschar
*, int, uschar
*);
260 extern void sha1_mid(sha1
*, const uschar
*);
261 extern void sha1_start(sha1
*);
262 extern int sieve_interpret(uschar
*, int, uschar
*, uschar
*, uschar
*,
263 address_item
**, uschar
**);
264 extern void sigalrm_handler(int);
265 extern BOOL
smtp_buffered(void);
266 extern void smtp_closedown(uschar
*);
267 extern int smtp_connect(host_item
*, int, int, uschar
*, int, BOOL
);
268 extern int smtp_feof(void);
269 extern int smtp_ferror(void);
270 extern uschar
*smtp_get_connection_info(void);
271 extern BOOL
smtp_get_interface(uschar
*, int, address_item
*, BOOL
*,
272 uschar
**, uschar
*);
273 extern BOOL
smtp_get_port(uschar
*, address_item
*, int *, uschar
*);
274 extern int smtp_getc(void);
275 extern int smtp_handle_acl_fail(int, int, uschar
*, uschar
*);
276 extern void smtp_log_no_mail(void);
277 extern void smtp_message_code(uschar
**, int *, uschar
**, uschar
**);
278 extern BOOL
smtp_read_response(smtp_inblock
*, uschar
*, int, int, int);
279 extern void smtp_respond(uschar
*, int, BOOL
, uschar
*);
280 extern void smtp_send_prohibition_message(int, uschar
*);
281 extern int smtp_setup_msg(void);
282 extern BOOL
smtp_start_session(void);
283 extern int smtp_ungetc(int);
284 extern BOOL
smtp_verify_helo(void);
285 extern int smtp_write_command(smtp_outblock
*, BOOL
, char *, ...);
286 #ifdef WITH_CONTENT_SCAN
287 extern int spam(uschar
**);
288 extern FILE *spool_mbox(unsigned long *);
290 extern BOOL
spool_move_message(uschar
*, uschar
*, uschar
*, uschar
*);
291 extern BOOL
spool_open_datafile(uschar
*);
292 extern int spool_open_temp(uschar
*);
293 extern int spool_read_header(uschar
*, BOOL
, BOOL
);
294 extern int spool_write_header(uschar
*, int, uschar
**);
295 extern int stdin_getc(void);
296 extern int stdin_feof(void);
297 extern int stdin_ferror(void);
298 extern int stdin_ungetc(int);
299 extern uschar
*string_append(uschar
*, int *, int *, int, ...);
300 extern uschar
*string_base62(unsigned long int);
301 extern uschar
*string_cat(uschar
*, int *, int *, const uschar
*, int);
302 extern uschar
*string_copy_dnsdomain(uschar
*);
303 extern uschar
*string_copy_malloc(uschar
*);
304 extern uschar
*string_copylc(uschar
*);
305 extern uschar
*string_copynlc(uschar
*, int);
306 extern uschar
*string_dequote(uschar
**);
307 extern BOOL
string_format(uschar
*, int, char *, ...);
308 extern uschar
*string_format_size(int, uschar
*);
309 extern int string_interpret_escape(uschar
**);
310 extern int string_is_ip_address(uschar
*, int *);
311 extern uschar
*string_log_address(address_item
*, BOOL
, BOOL
);
312 extern uschar
*string_nextinlist(uschar
**, int *, uschar
*, int);
313 extern uschar
*string_open_failed(int, char *, ...);
314 extern uschar
*string_printing2(uschar
*, BOOL
);
315 extern uschar
*string_split_message(uschar
*);
316 extern BOOL
string_vformat(uschar
*, int, char *, va_list);
317 extern int strcmpic(uschar
*, uschar
*);
318 extern int strncmpic(uschar
*, uschar
*, int);
319 extern uschar
*strstric(uschar
*, uschar
*, BOOL
);
321 extern uschar
*tod_stamp(int);
322 extern BOOL
transport_check_waiting(uschar
*, uschar
*, int, uschar
*,
324 extern void transport_init(void);
325 extern BOOL
transport_pass_socket(uschar
*, uschar
*, uschar
*, uschar
*,
327 extern uschar
*transport_rcpt_address(address_item
*, BOOL
);
328 extern BOOL
transport_set_up_command(uschar
***, uschar
*, BOOL
, int,
329 address_item
*, uschar
*, uschar
**);
330 extern void transport_update_waiting(host_item
*, uschar
*);
331 extern BOOL
transport_write_block(int, uschar
*, int);
332 extern BOOL
transport_write_string(int, char *, ...);
333 extern BOOL
transport_write_message(address_item
*, int, int, int, uschar
*,
334 uschar
*, uschar
*, uschar
*, rewrite_rule
*, int);
335 extern void tree_add_duplicate(uschar
*, address_item
*);
336 extern void tree_add_nonrecipient(uschar
*);
337 extern void tree_add_unusable(host_item
*);
338 extern int tree_insertnode(tree_node
**, tree_node
*);
339 extern tree_node
*tree_search(tree_node
*, uschar
*);
340 extern void tree_write(tree_node
*, FILE *);
341 extern void tree_walk(tree_node
*, void (*)(uschar
*, uschar
*, void*), void *);
343 #ifdef WITH_CONTENT_SCAN
344 extern void unspool_mbox(void);
347 extern int verify_address(address_item
*, FILE *, int, int, int, int,
348 uschar
*, uschar
*, BOOL
*);
349 extern int verify_check_dnsbl(uschar
**);
350 extern int verify_check_header_address(uschar
**, uschar
**, int, int, int,
351 uschar
*, uschar
*, int, int *);
352 extern int verify_check_headers(uschar
**);
353 extern int verify_check_host(uschar
**);
354 extern int verify_check_notblind(void);
355 extern int verify_check_this_host(uschar
**, unsigned int *, uschar
*,
356 uschar
*, uschar
**);
357 extern address_item
*verify_checked_sender(uschar
*);
358 extern void verify_get_ident(int);
359 extern BOOL
verify_sender(int *, uschar
**);
360 extern BOOL
verify_sender_preliminary(int *, uschar
**);
361 extern void version_init(void);
363 /* End of functions.h */