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