1 /* $Cambridge: exim/src/src/functions.h,v 1.26 2006/09/18 14:49:23 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2006 */
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 *, int);
28 extern void tls_close(BOOL);
29 extern int tls_feof(void);
30 extern int tls_ferror(void);
31 extern int tls_getc(void);
32 extern int tls_read(uschar *, size_t);
33 extern int tls_server_start(uschar *);
34 extern int tls_ungetc(int);
35 extern int tls_write(const uschar *, size_t);
39 /* Everything else... */
41 extern acl_block *acl_read(uschar *(*)(void), uschar **);
42 extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
43 extern uschar *auth_b64encode(uschar *, int);
44 extern int auth_b64decode(uschar *, uschar **);
45 extern int auth_call_pam(uschar *, uschar **);
46 extern int auth_call_pwcheck(uschar *, uschar **);
47 extern int auth_call_radius(uschar *, uschar **);
48 extern int auth_call_saslauthd(uschar *, uschar *, uschar *, uschar *,
50 extern int auth_get_data(uschar **, uschar *, int);
51 extern int auth_get_no64_data(uschar **, uschar *);
52 extern uschar *auth_xtextencode(uschar *, int);
53 extern int auth_xtextdecode(uschar *, uschar **);
55 extern int check_host(void *, uschar *, uschar **, uschar **);
56 extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
57 extern pid_t child_open_uid(uschar **, uschar **, int, uid_t *, gid_t *,
58 int *, int *, uschar *, BOOL);
60 extern void daemon_go(void);
61 extern void debug_print_argv(uschar **);
62 extern void debug_print_ids(uschar *);
63 extern void debug_print_string(uschar *);
64 extern void debug_print_tree(tree_node *);
65 extern void debug_vprintf(char *, va_list);
66 extern address_item *deliver_make_addr(uschar *, BOOL);
67 extern int deliver_message(uschar *, BOOL, BOOL);
68 extern void deliver_msglog(const char *, ...);
69 extern void deliver_set_expansions(address_item *);
70 extern int deliver_split_address(address_item *);
71 extern void deliver_succeeded(address_item *);
72 #ifdef WITH_OLD_DEMIME
73 extern int demime(uschar **);
75 extern BOOL directory_make(uschar *, uschar *, int, BOOL);
76 #ifdef EXPERIMENTAL_DOMAINKEYS
77 extern BOOL dk_transport_write_message(address_item *, int, int,
78 int, uschar *, uschar *, uschar *, uschar *, rewrite_rule *,
79 int, uschar *, uschar *, uschar *, uschar *, uschar *, uschar *);
81 extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
82 extern void dns_build_reverse(uschar *, uschar *);
83 extern void dns_init(BOOL, BOOL);
84 extern int dns_basic_lookup(dns_answer *, uschar *, int);
85 extern int dns_lookup(dns_answer *, uschar *, int, uschar **);
86 extern int dns_special_lookup(dns_answer *, uschar *, int, uschar **);
87 extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
88 extern uschar *dns_text_type(int);
90 extern void enq_end(uschar *);
91 extern BOOL enq_start(uschar *);
92 extern void exim_exit(int);
93 extern void exim_nullstd(void);
94 extern void exim_setugid(uid_t, gid_t, BOOL, uschar *);
95 extern int exim_tvcmp(struct timeval *, struct timeval *);
96 extern void exim_wait_tick(struct timeval *, int);
97 extern BOOL expand_check_condition(uschar *, uschar *, uschar *);
98 extern uschar *expand_string(uschar *);
99 extern uschar *expand_string_copy(uschar *);
100 extern int expand_string_integer(uschar *, BOOL);
102 extern int filter_interpret(uschar *, int, address_item **, uschar **);
103 extern BOOL filter_personal(string_item *, BOOL);
104 extern BOOL filter_runtest(int, uschar *, BOOL, BOOL);
105 extern BOOL filter_system_interpret(address_item **, uschar **);
107 extern void header_add(int, char *, ...);
108 extern int header_checkname(header_line *, BOOL);
109 extern BOOL header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
110 extern int host_address_extract_port(uschar *);
111 extern uschar *host_and_ident(BOOL);
112 extern int host_aton(uschar *, int *);
113 extern void host_build_hostlist(host_item **, uschar *, BOOL);
114 extern ip_address_item *host_build_ifacelist(uschar *, uschar *);
115 extern void host_build_log_info(void);
116 extern void host_build_sender_fullhost(void);
117 extern BOOL host_find_byname(host_item *, uschar *, uschar **, BOOL);
118 extern int host_find_bydns(host_item *, uschar *, int, uschar *, uschar *,
119 uschar *,uschar **, BOOL *);
120 extern ip_address_item *host_find_interfaces(void);
121 extern BOOL host_is_in_net(uschar *, uschar *, int);
122 extern BOOL host_is_tls_on_connect_port(int);
123 extern int host_item_get_port(host_item *);
124 extern void host_mask(int, int *, int);
125 extern int host_name_lookup(void);
126 extern int host_nmtoa(int, int *, int, uschar *, int);
127 extern uschar *host_ntoa(int, const void *, uschar *, int *);
128 extern int host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
130 extern int ip_bind(int, int, uschar *, int);
131 extern int ip_connect(int, int, uschar *, int, int);
132 extern void ip_keepalive(int, uschar *, BOOL);
133 extern int ip_recv(int, uschar *, int, int);
134 extern int ip_socket(int, int);
136 extern uschar *local_part_quote(uschar *lpart);
137 extern void log_close_all(void);
139 #ifdef WITH_CONTENT_SCAN
140 extern int malware(uschar **);
142 extern int match_address_list(uschar *, BOOL, BOOL, uschar **,
143 unsigned int *, int, int, uschar **);
144 extern int match_check_list(uschar **, int, tree_node **, unsigned int **,
145 int(*)(void *, uschar *, uschar **, uschar **), void *, int,
146 uschar *, uschar **);
147 extern int match_isinlist(uschar *, uschar **, int, tree_node **,
148 unsigned int *, int, BOOL, uschar **);
149 extern int match_check_string(uschar *, uschar *, int, BOOL, BOOL, BOOL,
151 extern void md5_end(md5 *, const uschar *, int, uschar *);
152 extern void md5_mid(md5 *, const uschar *);
153 extern void md5_start(md5 *);
154 extern void millisleep(int);
155 #ifdef WITH_CONTENT_SCAN
156 struct mime_boundary_context;
157 extern int mime_acl_check(uschar *acl, FILE *f,
158 struct mime_boundary_context *, uschar **, uschar **);
159 extern int mime_decode(uschar **);
160 extern int mime_regex(uschar **);
162 extern uschar *moan_check_errorcopy(uschar *);
163 extern BOOL moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
165 extern void moan_smtp_batch(uschar *, char *, ...);
166 extern void moan_tell_someone(uschar *, address_item *, uschar *, char *,
168 extern BOOL moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
169 extern FILE *modefopen(uschar *, char *, mode_t);
171 extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
173 extern int parse_forward_list(uschar *, int, address_item **, uschar **,
174 uschar *, uschar *, error_block **);
175 extern uschar *parse_find_address_end(uschar *, BOOL);
176 extern uschar *parse_find_at(uschar *);
177 extern uschar *parse_fix_phrase(uschar *, int, uschar *, int);
178 extern uschar *parse_message_id(uschar *, uschar **, uschar **);
179 extern uschar *parse_quote_2047(uschar *, int, uschar *, uschar *, int, BOOL);
181 extern BOOL queue_action(uschar *, int, uschar **, int, int);
182 extern void queue_check_only(void);
183 extern void queue_list(int, uschar **, int);
184 extern void queue_count(void);
185 extern void queue_run(uschar *, uschar *, BOOL);
187 extern int random_number(int);
188 #ifdef WITH_CONTENT_SCAN
189 extern int recv_line(int, uschar *, int);
191 extern int rda_interpret(redirect_block *, int, uschar *, uschar *,
192 uschar *, uschar *, ugid_block *, address_item **, uschar **,
193 error_block **, int *, uschar *);
194 extern int rda_is_filter(const uschar *);
195 extern BOOL readconf_depends(driver_instance *, uschar *);
196 extern void readconf_driver_init(uschar *, driver_instance **,
197 driver_info *, int, void *, int, optionlist *, int);
198 extern uschar *readconf_find_option(void *);
199 extern void readconf_main(void);
200 extern void readconf_print(uschar *, uschar *);
201 extern uschar *readconf_printtime(int);
202 extern uschar *readconf_readname(uschar *, int, uschar *);
203 extern int readconf_readtime(uschar *, int, BOOL);
204 extern void readconf_rest(BOOL);
205 extern uschar *readconf_retry_error(uschar *, uschar *, int *, int *);
206 extern void receive_bomb_out(uschar *);
207 extern BOOL receive_check_fs(int);
208 extern BOOL receive_check_set_sender(uschar *);
209 extern BOOL receive_msg(BOOL);
210 extern int receive_statvfs(BOOL, int *);
211 extern void receive_swallow_smtp(void);
212 #ifdef WITH_CONTENT_SCAN
213 extern int regex(uschar **);
215 extern BOOL regex_match_and_setup(const pcre *, uschar *, int, int);
216 extern const pcre *regex_must_compile(uschar *, BOOL, BOOL);
217 extern void retry_add_item(address_item *, uschar *, int);
218 extern BOOL retry_check_address(uschar *, host_item *, uschar *, BOOL,
219 uschar **, uschar **);
220 extern retry_config *retry_find_config(uschar *, uschar *, int, int);
221 extern void retry_update(address_item **, address_item **, address_item **);
222 extern uschar *rewrite_address(uschar *, BOOL, BOOL, rewrite_rule *, int);
223 extern uschar *rewrite_address_qualify(uschar *, BOOL);
224 extern header_line *rewrite_header(header_line *, uschar *, uschar *,
225 rewrite_rule *, int, BOOL);
226 extern uschar *rewrite_one(uschar *, int, BOOL *, BOOL, uschar *,
228 extern void rewrite_test(uschar *);
229 extern uschar *rfc2047_decode2(uschar *, BOOL, uschar *, int, int *, int *,
231 extern int route_address(address_item *, address_item **, address_item **,
232 address_item **, address_item **, int);
233 extern int route_check_prefix(uschar *, uschar *);
234 extern int route_check_suffix(uschar *, uschar *);
235 extern BOOL route_findgroup(uschar *, gid_t *);
236 extern BOOL route_finduser(uschar *, struct passwd **, uid_t *);
237 extern BOOL route_find_expanded_group(uschar *, uschar *, uschar *, gid_t *,
239 extern BOOL route_find_expanded_user(uschar *, uschar *, uschar *,
240 struct passwd **, uid_t *, uschar **);
241 extern void route_init(void);
242 extern void route_tidyup(void);
244 extern uschar *search_find(void *, uschar *, uschar *, int, uschar *, int,
246 extern int search_findtype(uschar *, int);
247 extern int search_findtype_partial(uschar *, int *, uschar **, int *,
249 extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
250 extern void search_tidyup(void);
251 extern void set_process_info(char *, ...);
252 extern void sha1_end(sha1 *, const uschar *, int, uschar *);
253 extern void sha1_mid(sha1 *, const uschar *);
254 extern void sha1_start(sha1 *);
255 extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
256 address_item **, uschar **);
257 extern void sigalrm_handler(int);
258 extern void smtp_closedown(uschar *);
259 extern int smtp_connect(host_item *, int, int, uschar *, int, BOOL);
260 extern int smtp_feof(void);
261 extern int smtp_ferror(void);
262 extern uschar *smtp_get_connection_info(void);
263 extern BOOL smtp_get_interface(uschar *, int, address_item *, BOOL *,
264 uschar **, uschar *);
265 extern BOOL smtp_get_port(uschar *, address_item *, int *, uschar *);
266 extern int smtp_getc(void);
267 extern int smtp_handle_acl_fail(int, int, uschar *, uschar *);
268 extern BOOL smtp_read_response(smtp_inblock *, uschar *, int, int, int);
269 extern void smtp_respond(uschar *, int, BOOL, uschar *);
270 extern void smtp_send_prohibition_message(int, uschar *);
271 extern int smtp_setup_msg(void);
272 extern BOOL smtp_start_session(void);
273 extern int smtp_ungetc(int);
274 extern BOOL smtp_verify_helo(void);
275 extern int smtp_write_command(smtp_outblock *, BOOL, char *, ...);
276 #ifdef WITH_CONTENT_SCAN
277 extern int spam(uschar **);
278 extern FILE *spool_mbox(unsigned long *);
280 extern BOOL spool_move_message(uschar *, uschar *, uschar *, uschar *);
281 extern BOOL spool_open_datafile(uschar *);
282 extern int spool_open_temp(uschar *);
283 extern int spool_read_header(uschar *, BOOL, BOOL);
284 extern int spool_write_header(uschar *, int, uschar **);
285 extern int stdin_getc(void);
286 extern int stdin_feof(void);
287 extern int stdin_ferror(void);
288 extern int stdin_ungetc(int);
289 extern uschar *string_append(uschar *, int *, int *, int, ...);
290 extern uschar *string_base62(unsigned long int);
291 extern uschar *string_cat(uschar *, int *, int *, const uschar *, int);
292 extern uschar *string_copy_dnsdomain(uschar *);
293 extern uschar *string_copy_malloc(uschar *);
294 extern uschar *string_copylc(uschar *);
295 extern uschar *string_copynlc(uschar *, int);
296 extern uschar *string_dequote(uschar **);
297 extern BOOL string_format(uschar *, int, char *, ...);
298 extern uschar *string_format_size(int, uschar *);
299 extern int string_interpret_escape(uschar **);
300 extern int string_is_ip_address(uschar *, int *);
301 extern uschar *string_log_address(address_item *, BOOL, BOOL);
302 extern uschar *string_nextinlist(uschar **, int *, uschar *, int);
303 extern uschar *string_open_failed(int, char *, ...);
304 extern uschar *string_printing2(uschar *, BOOL);
305 extern BOOL string_vformat(uschar *, int, char *, va_list);
306 extern int strcmpic(uschar *, uschar *);
307 extern int strncmpic(uschar *, uschar *, int);
308 extern uschar *strstric(uschar *, uschar *, BOOL);
310 extern uschar *tod_stamp(int);
311 extern BOOL transport_check_waiting(uschar *, uschar *, int, uschar *,
313 extern void transport_init(void);
314 extern BOOL transport_pass_socket(uschar *, uschar *, uschar *, uschar *,
316 extern uschar *transport_rcpt_address(address_item *, BOOL);
317 extern BOOL transport_set_up_command(uschar ***, uschar *, BOOL, int,
318 address_item *, uschar *, uschar **);
319 extern void transport_update_waiting(host_item *, uschar *);
320 extern BOOL transport_write_block(int, uschar *, int);
321 extern BOOL transport_write_string(int, char *, ...);
322 extern BOOL transport_write_message(address_item *, int, int, int, uschar *,
323 uschar *, uschar *, uschar *, rewrite_rule *, int);
324 extern void tree_add_duplicate(uschar *, address_item *);
325 extern void tree_add_nonrecipient(uschar *);
326 extern void tree_add_unusable(host_item *);
327 extern int tree_insertnode(tree_node **, tree_node *);
328 extern tree_node *tree_search(tree_node *, uschar *);
329 extern void tree_write(tree_node *, FILE *);
331 #ifdef WITH_CONTENT_SCAN
332 extern void unspool_mbox(void);
335 extern int verify_address(address_item *, FILE *, int, int, int, int,
336 uschar *, uschar *, BOOL *);
337 extern int verify_check_dnsbl(uschar **);
338 extern int verify_check_header_address(uschar **, uschar **, int, int, int,
339 uschar *, uschar *, int, int *);
340 extern int verify_check_headers(uschar **);
341 extern int verify_check_host(uschar **);
342 extern int verify_check_notblind(void);
343 extern int verify_check_this_host(uschar **, unsigned int *, uschar*,
344 uschar *, uschar **);
345 extern address_item *verify_checked_sender(uschar *);
346 extern void verify_get_ident(int);
347 extern BOOL verify_sender(int *, uschar **);
348 extern BOOL verify_sender_preliminary(int *, uschar **);
349 extern void version_init(void);
351 /* End of functions.h */