* implemented a postfix tcp-dict table, first draft.
[citadel.git] / citadel / control.c
1 /*
2  * $Id$
3  *
4  * This module handles states which are global to the entire server.
5  *
6  */
7
8 #include "sysdep.h"
9 #include <stdlib.h>
10 #include <unistd.h>
11 #include <stdio.h>
12 #include <fcntl.h>
13 #include <signal.h>
14
15 #if TIME_WITH_SYS_TIME
16 # include <sys/time.h>
17 # include <time.h>
18 #else
19 # if HAVE_SYS_TIME_H
20 #  include <sys/time.h>
21 # else
22 #  include <time.h>
23 # endif
24 #endif
25
26 #include <ctype.h>
27 #include <string.h>
28 #include <errno.h>
29 #include <limits.h>
30 #include <sys/types.h>
31 #include "citadel.h"
32 #include "server.h"
33 #include "control.h"
34 #include "serv_extensions.h"
35 #include "sysdep_decls.h"
36 #include "support.h"
37 #include "config.h"
38 #include "msgbase.h"
39 #include "citserver.h"
40 #include "tools.h"
41 #include "room_ops.h"
42
43 #ifndef HAVE_SNPRINTF
44 #include "snprintf.h"
45 #endif
46
47 struct CitControl CitControl;
48 extern struct config config;
49 FILE *control_fp = NULL;
50
51 /*
52  * get_control  -  read the control record into memory.
53  */
54 void get_control(void)
55 {
56
57         /* Zero it out.  If the control record on disk is missing or short,
58          * the system functions with all control record fields initialized
59          * to zero.
60          */
61         memset(&CitControl, 0, sizeof(struct CitControl));
62         if (control_fp == NULL) {
63                 control_fp = fopen(file_citadel_control, "rb+");
64                 if (control_fp != NULL) {
65                         fchown(fileno(control_fp), config.c_ctdluid, -1);
66                 }
67         }
68         if (control_fp == NULL) {
69                 control_fp = fopen(file_citadel_control, "wb+");
70                 if (control_fp != NULL) {
71                         fchown(fileno(control_fp), config.c_ctdluid, -1);
72                         memset(&CitControl, 0, sizeof(struct CitControl));
73                         fwrite(&CitControl, sizeof(struct CitControl),
74                                1, control_fp);
75                         rewind(control_fp);
76                 }
77         }
78         if (control_fp == NULL) {
79                 lprintf(CTDL_ALERT, "ERROR opening %s: %s\n",
80                                 file_citadel_control,
81                                 strerror(errno));
82                 return;
83         }
84
85         rewind(control_fp);
86         fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
87 }
88
89 /*
90  * put_control  -  write the control record to disk.
91  */
92 void put_control(void)
93 {
94
95         if (control_fp != NULL) {
96                 rewind(control_fp);
97                 fwrite(&CitControl, sizeof(struct CitControl), 1,
98                        control_fp);
99                 fflush(control_fp);
100         }
101 }
102
103
104 /*
105  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
106  */
107 long get_new_message_number(void)
108 {
109         long retval = 0L;
110         begin_critical_section(S_CONTROL);
111         get_control();
112         retval = ++CitControl.MMhighest;
113         put_control();
114         end_critical_section(S_CONTROL);
115         return(retval);
116 }
117
118
119 /*
120  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
121  */
122 long get_new_user_number(void)
123 {
124         long retval = 0L;
125         begin_critical_section(S_CONTROL);
126         get_control();
127         retval = ++CitControl.MMnextuser;
128         put_control();
129         end_critical_section(S_CONTROL);
130         return(retval);
131 }
132
133
134
135 /*
136  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
137  */
138 long get_new_room_number(void)
139 {
140         long retval = 0L;
141         begin_critical_section(S_CONTROL);
142         get_control();
143         retval = ++CitControl.MMnextroom;
144         put_control();
145         end_critical_section(S_CONTROL);
146         return(retval);
147 }
148
149
150
151 /* 
152  * Get or set global configuration options
153  */
154 void cmd_conf(char *argbuf)
155 {
156         char cmd[16];
157         char buf[256];
158         int a;
159         char *confptr;
160         char confname[128];
161
162         if (CtdlAccessCheck(ac_aide)) return;
163
164         extract_token(cmd, argbuf, 0, '|', sizeof cmd);
165         if (!strcasecmp(cmd, "GET")) {
166                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
167                 cprintf("%s\n", config.c_nodename);
168                 cprintf("%s\n", config.c_fqdn);
169                 cprintf("%s\n", config.c_humannode);
170                 cprintf("%s\n", config.c_phonenum);
171                 cprintf("%d\n", config.c_creataide);
172                 cprintf("%d\n", config.c_sleeping);
173                 cprintf("%d\n", config.c_initax);
174                 cprintf("%d\n", config.c_regiscall);
175                 cprintf("%d\n", config.c_twitdetect);
176                 cprintf("%s\n", config.c_twitroom);
177                 cprintf("%s\n", config.c_moreprompt);
178                 cprintf("%d\n", config.c_restrict);
179                 cprintf("%s\n", config.c_site_location);
180                 cprintf("%s\n", config.c_sysadm);
181                 cprintf("%d\n", config.c_maxsessions);
182                 cprintf("xxx\n"); /* placeholder -- field no longer in use */
183                 cprintf("%d\n", config.c_userpurge);
184                 cprintf("%d\n", config.c_roompurge);
185                 cprintf("%s\n", config.c_logpages);
186                 cprintf("%d\n", config.c_createax);
187                 cprintf("%ld\n", config.c_maxmsglen);
188                 cprintf("%d\n", config.c_min_workers);
189                 cprintf("%d\n", config.c_max_workers);
190                 cprintf("%d\n", config.c_pop3_port);
191                 cprintf("%d\n", config.c_smtp_port);
192                 cprintf("%d\n", config.c_rfc822_strict_from);
193                 cprintf("%d\n", config.c_aide_zap);
194                 cprintf("%d\n", config.c_imap_port);
195                 cprintf("%ld\n", config.c_net_freq);
196                 cprintf("%d\n", config.c_disable_newu);
197                 cprintf("1\n"); /* niu */
198                 cprintf("%d\n", config.c_purge_hour);
199 #ifdef HAVE_LDAP
200                 cprintf("%s\n", config.c_ldap_host);
201                 cprintf("%d\n", config.c_ldap_port);
202                 cprintf("%s\n", config.c_ldap_base_dn);
203                 cprintf("%s\n", config.c_ldap_bind_dn);
204                 cprintf("%s\n", config.c_ldap_bind_pw);
205 #else
206                 cprintf("\n");
207                 cprintf("0\n");
208                 cprintf("\n");
209                 cprintf("\n");
210                 cprintf("\n");
211 #endif
212                 cprintf("%s\n", config.c_ip_addr);
213                 cprintf("%d\n", config.c_msa_port);
214                 cprintf("%d\n", config.c_imaps_port);
215                 cprintf("%d\n", config.c_pop3s_port);
216                 cprintf("%d\n", config.c_smtps_port);
217                 cprintf("%d\n", config.c_enable_fulltext);
218                 cprintf("%d\n", config.c_auto_cull);
219                 cprintf("%d\n", config.c_instant_expunge);
220                 cprintf("%d\n", config.c_allow_spoofing);
221                 cprintf("%d\n", config.c_journal_email);
222                 cprintf("%d\n", config.c_journal_pubmsgs);
223                 cprintf("%s\n", config.c_journal_dest);
224                 cprintf("%s\n", config.c_default_cal_zone);
225                 cprintf("%d\n", config.c_pftcpdict_port);
226                 cprintf("000\n");
227         }
228
229         else if (!strcasecmp(cmd, "SET")) {
230                 unbuffer_output();
231                 cprintf("%d Send configuration...\n", SEND_LISTING);
232                 a = 0;
233                 while (client_getln(buf, sizeof buf), strcmp(buf, "000")) {
234                         switch (a) {
235                         case 0:
236                                 safestrncpy(config.c_nodename, buf,
237                                             sizeof config.c_nodename);
238                                 break;
239                         case 1:
240                                 safestrncpy(config.c_fqdn, buf,
241                                             sizeof config.c_fqdn);
242                                 break;
243                         case 2:
244                                 safestrncpy(config.c_humannode, buf,
245                                             sizeof config.c_humannode);
246                                 break;
247                         case 3:
248                                 safestrncpy(config.c_phonenum, buf,
249                                             sizeof config.c_phonenum);
250                                 break;
251                         case 4:
252                                 config.c_creataide = atoi(buf);
253                                 break;
254                         case 5:
255                                 config.c_sleeping = atoi(buf);
256                                 break;
257                         case 6:
258                                 config.c_initax = atoi(buf);
259                                 if (config.c_initax < 1)
260                                         config.c_initax = 1;
261                                 if (config.c_initax > 6)
262                                         config.c_initax = 6;
263                                 break;
264                         case 7:
265                                 config.c_regiscall = atoi(buf);
266                                 if (config.c_regiscall != 0)
267                                         config.c_regiscall = 1;
268                                 break;
269                         case 8:
270                                 config.c_twitdetect = atoi(buf);
271                                 if (config.c_twitdetect != 0)
272                                         config.c_twitdetect = 1;
273                                 break;
274                         case 9:
275                                 safestrncpy(config.c_twitroom, buf,
276                                             sizeof config.c_twitroom);
277                                 break;
278                         case 10:
279                                 safestrncpy(config.c_moreprompt, buf,
280                                             sizeof config.c_moreprompt);
281                                 break;
282                         case 11:
283                                 config.c_restrict = atoi(buf);
284                                 if (config.c_restrict != 0)
285                                         config.c_restrict = 1;
286                                 break;
287                         case 12:
288                                 safestrncpy(config.c_site_location, buf,
289                                             sizeof config.c_site_location);
290                                 break;
291                         case 13:
292                                 safestrncpy(config.c_sysadm, buf,
293                                             sizeof config.c_sysadm);
294                                 break;
295                         case 14:
296                                 config.c_maxsessions = atoi(buf);
297                                 if (config.c_maxsessions < 0)
298                                         config.c_maxsessions = 0;
299                                 break;
300                         case 15:
301                                 /* placeholder -- field no longer in use */
302                                 break;
303                         case 16:
304                                 config.c_userpurge = atoi(buf);
305                                 break;
306                         case 17:
307                                 config.c_roompurge = atoi(buf);
308                                 break;
309                         case 18:
310                                 safestrncpy(config.c_logpages, buf,
311                                             sizeof config.c_logpages);
312                                 break;
313                         case 19:
314                                 config.c_createax = atoi(buf);
315                                 if (config.c_createax < 1)
316                                         config.c_createax = 1;
317                                 if (config.c_createax > 6)
318                                         config.c_createax = 6;
319                                 break;
320                         case 20:
321                                 if (atoi(buf) >= 8192)
322                                         config.c_maxmsglen = atoi(buf);
323                                 break;
324                         case 21:
325                                 if (atoi(buf) >= 2)
326                                         config.c_min_workers = atoi(buf);
327                         case 22:
328                                 if (atoi(buf) >= config.c_min_workers)
329                                         config.c_max_workers = atoi(buf);
330                         case 23:
331                                 config.c_pop3_port = atoi(buf);
332                                 break;
333                         case 24:
334                                 config.c_smtp_port = atoi(buf);
335                                 break;
336                         case 25:
337                                 config.c_rfc822_strict_from = atoi(buf);
338                                 break;
339                         case 26:
340                                 config.c_aide_zap = atoi(buf);
341                                 if (config.c_aide_zap != 0)
342                                         config.c_aide_zap = 1;
343                                 break;
344                         case 27:
345                                 config.c_imap_port = atoi(buf);
346                                 break;
347                         case 28:
348                                 config.c_net_freq = atol(buf);
349                                 break;
350                         case 29:
351                                 config.c_disable_newu = atoi(buf);
352                                 if (config.c_disable_newu != 0)
353                                         config.c_disable_newu = 1;
354                                 break;
355                         case 30:
356                                 /* niu */
357                                 break;
358                         case 31:
359                                 if ((config.c_purge_hour >= 0)
360                                    && (config.c_purge_hour <= 23)) {
361                                         config.c_purge_hour = atoi(buf);
362                                 }
363                                 break;
364 #ifdef HAVE_LDAP
365                         case 32:
366                                 safestrncpy(config.c_ldap_host, buf,
367                                             sizeof config.c_ldap_host);
368                                 break;
369                         case 33:
370                                 config.c_ldap_port = atoi(buf);
371                                 break;
372                         case 34:
373                                 safestrncpy(config.c_ldap_base_dn, buf,
374                                             sizeof config.c_ldap_base_dn);
375                                 break;
376                         case 35:
377                                 safestrncpy(config.c_ldap_bind_dn, buf,
378                                             sizeof config.c_ldap_bind_dn);
379                                 break;
380                         case 36:
381                                 safestrncpy(config.c_ldap_bind_pw, buf,
382                                             sizeof config.c_ldap_bind_pw);
383                                 break;
384 #endif
385                         case 37:
386                                 safestrncpy(config.c_ip_addr, buf,
387                                                 sizeof config.c_ip_addr);
388                         case 38:
389                                 config.c_msa_port = atoi(buf);
390                                 break;
391                         case 39:
392                                 config.c_imaps_port = atoi(buf);
393                                 break;
394                         case 40:
395                                 config.c_pop3s_port = atoi(buf);
396                                 break;
397                         case 41:
398                                 config.c_smtps_port = atoi(buf);
399                                 break;
400                         case 42:
401                                 config.c_enable_fulltext = atoi(buf);
402                                 break;
403                         case 43:
404                                 config.c_auto_cull = atoi(buf);
405                                 break;
406                         case 44:
407                                 config.c_instant_expunge = atoi(buf);
408                                 break;
409                         case 45:
410                                 config.c_allow_spoofing = atoi(buf);
411                                 break;
412                         case 46:
413                                 config.c_journal_email = atoi(buf);
414                                 break;
415                         case 47:
416                                 config.c_journal_pubmsgs = atoi(buf);
417                                 break;
418                         case 48:
419                                 safestrncpy(config.c_journal_dest, buf,
420                                                 sizeof config.c_journal_dest);
421                         case 49:
422                                 safestrncpy(config.c_default_cal_zone, buf,
423                                                 sizeof config.c_default_cal_zone);
424                                 break;
425                         case 50:
426                                 config.c_pftcpdict_port = atoi(buf);
427                                 break;
428                         }
429                         ++a;
430                 }
431                 put_config();
432                 snprintf(buf, sizeof buf,
433                          "The global system configuration has been edited by %s.\n",
434                          CC->curr_user);
435                 aide_message(buf);
436
437                 if (strlen(config.c_logpages) > 0)
438                         create_room(config.c_logpages, 3, "", 0, 1, 1, VIEW_BBS);
439
440                 /* If full text indexing has been disabled, invalidate the
441                  * index so it doesn't try to use it later.
442                  */
443                 if (config.c_enable_fulltext == 0) {
444                         CitControl.fulltext_wordbreaker = 0;
445                         put_control();
446                 }
447         }
448
449         else if (!strcasecmp(cmd, "GETSYS")) {
450                 extract_token(confname, argbuf, 1, '|', sizeof confname);
451                 confptr = CtdlGetSysConfig(confname);
452                 if (confptr != NULL) {
453                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
454                         client_write(confptr, strlen(confptr));
455                         if (confptr[strlen(confptr) - 1] != 10)
456                                 client_write("\n", 1);
457                         cprintf("000\n");
458                         free(confptr);
459                 } else {
460                         cprintf("%d No such configuration.\n",
461                                 ERROR + ILLEGAL_VALUE);
462                 }
463         }
464
465         else if (!strcasecmp(cmd, "PUTSYS")) {
466                 extract_token(confname, argbuf, 1, '|', sizeof confname);
467                 unbuffer_output();
468                 cprintf("%d %s\n", SEND_LISTING, confname);
469                 confptr = CtdlReadMessageBody("000",
470                                 config.c_maxmsglen, NULL, 0);
471                 CtdlPutSysConfig(confname, confptr);
472                 free(confptr);
473         }
474
475         else {
476                 cprintf("%d Illegal option(s) specified.\n",
477                         ERROR + ILLEGAL_VALUE);
478         }
479 }