citadel/control.c

   1 /*
   2  * $Id$
   3  *
   4  * This module handles states which are global to the entire server.
   5  *
   6  */
   7
   8 #ifdef DLL_EXPORT
   9 #define IN_LIBCIT
  10 #endif
  11
  12 #include "sysdep.h"
  13 #include <stdlib.h>
  14 #include <unistd.h>
  15 #include <stdio.h>
  16 #include <fcntl.h>
  17 #include <signal.h>
  18
  19 #if TIME_WITH_SYS_TIME
  20 # include <sys/time.h>
  21 # include <time.h>
  22 #else
  23 # if HAVE_SYS_TIME_H
  24 #  include <sys/time.h>
  25 # else
  26 #  include <time.h>
  27 # endif
  28 #endif
  29
  30 #include <ctype.h>
  31 #include <string.h>
  32 #include <errno.h>
  33 #include <limits.h>
  34 #include <sys/types.h>
  35 #include "citadel.h"
  36 #include "server.h"
  37 #include "control.h"
  38 #include "serv_extensions.h"
  39 #include "sysdep_decls.h"
  40 #include "support.h"
  41 #include "config.h"
  42 #include "msgbase.h"
  43 #include "citserver.h"
  44 #include "tools.h"
  45 #include "room_ops.h"
  46
  47 #ifndef HAVE_SNPRINTF
  48 #include "snprintf.h"
  49 #endif
  50
  51 struct CitControl CitControl;
  52 extern struct config config;
  53 FILE *control_fp = NULL;
  54
  55 /*
  56  * get_control  -  read the control record into memory.
  57  */
  58 void get_control(void)
  59 {
  60
  61         /* Zero it out.  If the control record on disk is missing or short,
  62          * the system functions with all control record fields initialized
  63          * to zero.
  64          */
  65         memset(&CitControl, 0, sizeof(struct CitControl));
  66         if (control_fp == NULL) {
  67                 control_fp = fopen("citadel.control", "rb+");
  68                 if (control_fp != NULL) {
  69                         fchown(fileno(control_fp), config.c_bbsuid, -1);
  70                 }
  71         }
  72         if (control_fp == NULL) {
  73                 control_fp = fopen("citadel.control", "wb+");
  74                 if (control_fp != NULL) {
  75                         fchown(fileno(control_fp), config.c_bbsuid, -1);
  76                         memset(&CitControl, 0, sizeof(struct CitControl));
  77                         fwrite(&CitControl, sizeof(struct CitControl),
  78                                1, control_fp);
  79                         rewind(control_fp);
  80                 }
  81         }
  82         if (control_fp == NULL) {
  83                 lprintf(1, "ERROR opening citadel.control: %s\n",
  84                         strerror(errno));
  85                 return;
  86         }
  87
  88         rewind(control_fp);
  89         fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
  90 }
  91
  92 /*
  93  * put_control  -  write the control record to disk.
  94  */
  95 void put_control(void)
  96 {
  97
  98         if (control_fp != NULL) {
  99                 rewind(control_fp);
 100                 fwrite(&CitControl, sizeof(struct CitControl), 1,
 101                        control_fp);
 102                 fflush(control_fp);
 103         }
 104 }
 105
 106
 107 /*
 108  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
 109  */
 110 long get_new_message_number(void)
 111 {
 112         begin_critical_section(S_CONTROL);
 113         get_control();
 114         ++CitControl.MMhighest;
 115         put_control();
 116         end_critical_section(S_CONTROL);
 117         return (CitControl.MMhighest);
 118 }
 119
 120
 121 /*
 122  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 123  */
 124 long get_new_user_number(void)
 125 {
 126         begin_critical_section(S_CONTROL);
 127         get_control();
 128         ++CitControl.MMnextuser;
 129         put_control();
 130         end_critical_section(S_CONTROL);
 131         return (CitControl.MMnextuser);
 132 }
 133
 134
 135
 136 /*
 137  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 138  */
 139 long get_new_room_number(void)
 140 {
 141         begin_critical_section(S_CONTROL);
 142         get_control();
 143         ++CitControl.MMnextroom;
 144         put_control();
 145         end_critical_section(S_CONTROL);
 146         return (CitControl.MMnextroom);
 147 }
 148
 149
 150
 151 /*
 152  * Get or set global configuration options
 153  */
 154 void cmd_conf(char *argbuf)
 155 {
 156         char cmd[SIZ];
 157         char buf[SIZ];
 158         int a;
 159         char *confptr;
 160         char confname[SIZ];
 161
 162         if (CtdlAccessCheck(ac_aide)) return;
 163
 164         extract(cmd, argbuf, 0);
 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_bbs_city);
 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("%d\n", config.c_aide_mailboxes);
 198                 cprintf("%d\n", config.c_purge_hour);
 199                 cprintf("000\n");
 200         }
 201
 202         else if (!strcasecmp(cmd, "SET")) {
 203                 cprintf("%d Send configuration...\n", SEND_LISTING);
 204                 a = 0;
 205                 while (client_gets(buf), strcmp(buf, "000")) {
 206                         switch (a) {
 207                         case 0:
 208                                 safestrncpy(config.c_nodename, buf,
 209                                             sizeof config.c_nodename);
 210                                 break;
 211                         case 1:
 212                                 safestrncpy(config.c_fqdn, buf,
 213                                             sizeof config.c_fqdn);
 214                                 break;
 215                         case 2:
 216                                 safestrncpy(config.c_humannode, buf,
 217                                             sizeof config.c_humannode);
 218                                 break;
 219                         case 3:
 220                                 safestrncpy(config.c_phonenum, buf,
 221                                             sizeof config.c_phonenum);
 222                                 break;
 223                         case 4:
 224                                 config.c_creataide = atoi(buf);
 225                                 break;
 226                         case 5:
 227                                 config.c_sleeping = atoi(buf);
 228                                 break;
 229                         case 6:
 230                                 config.c_initax = atoi(buf);
 231                                 if (config.c_initax < 1)
 232                                         config.c_initax = 1;
 233                                 if (config.c_initax > 6)
 234                                         config.c_initax = 6;
 235                                 break;
 236                         case 7:
 237                                 config.c_regiscall = atoi(buf);
 238                                 if (config.c_regiscall != 0)
 239                                         config.c_regiscall = 1;
 240                                 break;
 241                         case 8:
 242                                 config.c_twitdetect = atoi(buf);
 243                                 if (config.c_twitdetect != 0)
 244                                         config.c_twitdetect = 1;
 245                                 break;
 246                         case 9:
 247                                 safestrncpy(config.c_twitroom, buf,
 248                                             sizeof config.c_twitroom);
 249                                 break;
 250                         case 10:
 251                                 safestrncpy(config.c_moreprompt, buf,
 252                                             sizeof config.c_moreprompt);
 253                                 break;
 254                         case 11:
 255                                 config.c_restrict = atoi(buf);
 256                                 if (config.c_restrict != 0)
 257                                         config.c_restrict = 1;
 258                                 break;
 259                         case 12:
 260                                 safestrncpy(config.c_bbs_city, buf,
 261                                             sizeof config.c_bbs_city);
 262                                 break;
 263                         case 13:
 264                                 safestrncpy(config.c_sysadm, buf,
 265                                             sizeof config.c_sysadm);
 266                                 break;
 267                         case 14:
 268                                 config.c_maxsessions = atoi(buf);
 269                                 if (config.c_maxsessions < 1)
 270                                         config.c_maxsessions = 1;
 271                                 break;
 272                         case 15:
 273                                 /* placeholder -- field no longer in use */
 274                                 break;
 275                         case 16:
 276                                 config.c_userpurge = atoi(buf);
 277                                 break;
 278                         case 17:
 279                                 config.c_roompurge = atoi(buf);
 280                                 break;
 281                         case 18:
 282                                 safestrncpy(config.c_logpages, buf,
 283                                             sizeof config.c_logpages);
 284                                 break;
 285                         case 19:
 286                                 config.c_createax = atoi(buf);
 287                                 if (config.c_createax < 1)
 288                                         config.c_createax = 1;
 289                                 if (config.c_createax > 6)
 290                                         config.c_createax = 6;
 291                                 break;
 292                         case 20:
 293                                 if (atoi(buf) >= 8192)
 294                                         config.c_maxmsglen = atoi(buf);
 295                                 break;
 296                         case 21:
 297                                 if (atoi(buf) >= 2)
 298                                         config.c_min_workers = atoi(buf);
 299                         case 22:
 300                                 if (atoi(buf) >= config.c_min_workers)
 301                                         config.c_max_workers = atoi(buf);
 302                         case 23:
 303                                 config.c_pop3_port = atoi(buf);
 304                                 break;
 305                         case 24:
 306                                 config.c_smtp_port = atoi(buf);
 307                                 break;
 308                         case 25:
 309                                 config.c_rfc822_strict_from = atoi(buf);
 310                                 break;
 311                         case 26:
 312                                 config.c_aide_zap = atoi(buf);
 313                                 if (config.c_aide_zap != 0)
 314                                         config.c_aide_zap = 1;
 315                                 break;
 316                         case 27:
 317                                 config.c_imap_port = atoi(buf);
 318                                 break;
 319                         case 28:
 320                                 config.c_net_freq = atol(buf);
 321                                 break;
 322                         case 29:
 323                                 config.c_disable_newu = atoi(buf);
 324                                 if (config.c_disable_newu != 0)
 325                                         config.c_disable_newu = 1;
 326                                 break;
 327                         case 30:
 328                                 config.c_aide_mailboxes = atoi(buf);
 329                                 if (config.c_aide_mailboxes != 0)
 330                                         config.c_aide_mailboxes = 1;
 331                                 break;
 332                         case 31:
 333                                 if ((config.c_purge_hour >= 0)
 334                                    && (config.c_purge_hour <= 23)) {
 335                                         config.c_purge_hour = atoi(buf);
 336                                 }
 337                                 break;
 338                         }
 339                         ++a;
 340                 }
 341                 put_config();
 342                 snprintf(buf, sizeof buf,
 343                          "Global system configuration edited by %s\n",
 344                          CC->curr_user);
 345                 aide_message(buf);
 346
 347                 if (strlen(config.c_logpages) > 0)
 348                         create_room(config.c_logpages, 3, "", 0, 1, 1);
 349         }
 350
 351         else if (!strcasecmp(cmd, "GETSYS")) {
 352                 extract(confname, argbuf, 1);
 353                 confptr = CtdlGetSysConfig(confname);
 354                 if (confptr != NULL) {
 355                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 356                         client_write(confptr, strlen(confptr));
 357                         if (confptr[strlen(confptr) - 1] != 10)
 358                                 client_write("\n", 1);
 359                         cprintf("000\n");
 360                         phree(confptr);
 361                 } else {
 362                         cprintf("%d No such configuration.\n",
 363                                 ERROR + ILLEGAL_VALUE);
 364                 }
 365         }
 366
 367         else if (!strcasecmp(cmd, "PUTSYS")) {
 368                 extract(confname, argbuf, 1);
 369                 cprintf("%d %s\n", SEND_LISTING, confname);
 370                 confptr = CtdlReadMessageBody("000",
 371                                 config.c_maxmsglen, NULL, 0);
 372                 CtdlPutSysConfig(confname, confptr);
 373                 phree(confptr);
 374         }
 375
 376         else {
 377                 cprintf("%d Illegal option(s) specified.\n",
 378                         ERROR + ILLEGAL_VALUE);
 379         }
 380 }