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 <syslog.h>
  35 #include <sys/types.h>
  36 #include "citadel.h"
  37 #include "server.h"
  38 #include "control.h"
  39 #include "dynloader.h"
  40 #include "sysdep_decls.h"
  41 #include "support.h"
  42 #include "config.h"
  43 #include "msgbase.h"
  44 #include "citserver.h"
  45 #include "tools.h"
  46 #include "room_ops.h"
  47
  48 #ifndef HAVE_SNPRINTF
  49 #include "snprintf.h"
  50 #endif
  51
  52 struct CitControl CitControl;
  53 struct config config;
  54 FILE *control_fp = NULL;
  55
  56 /*
  57  * get_control  -  read the control record into memory.
  58  */
  59 void get_control(void) {
  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         if (control_fp != NULL) {
  98                 rewind(control_fp);
  99                 fwrite(&CitControl, sizeof(struct CitControl), 1, control_fp);
 100                 fflush(control_fp);
 101                 }
 102         }
 103
 104
 105 /*
 106  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
 107  */
 108 long get_new_message_number(void) {
 109         begin_critical_section(S_CONTROL);
 110         get_control();
 111         ++CitControl.MMhighest;
 112         put_control();
 113         end_critical_section(S_CONTROL);
 114         return(CitControl.MMhighest);
 115         }
 116
 117
 118 /*
 119  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 120  */
 121 long get_new_user_number(void) {
 122         begin_critical_section(S_CONTROL);
 123         get_control();
 124         ++CitControl.MMnextuser;
 125         put_control();
 126         end_critical_section(S_CONTROL);
 127         return(CitControl.MMnextuser);
 128         }
 129
 130
 131
 132 /*
 133  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 134  */
 135 long get_new_room_number(void) {
 136         begin_critical_section(S_CONTROL);
 137         get_control();
 138         ++CitControl.MMnextroom;
 139         put_control();
 140         end_critical_section(S_CONTROL);
 141         return(CitControl.MMnextroom);
 142         }
 143
 144
 145
 146 /*
 147  * Get or set global configuration options
 148  */
 149 void cmd_conf(char *argbuf) {
 150         char cmd[SIZ];
 151         char buf[SIZ];
 152         int a;
 153         char *confptr;
 154         char confname[SIZ];
 155
 156         if (CtdlAccessCheck(ac_aide)) return;
 157
 158         extract(cmd, argbuf, 0);
 159         if (!strcasecmp(cmd, "GET")) {
 160                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 161                 cprintf("%s\n", config.c_nodename);
 162                 cprintf("%s\n", config.c_fqdn);
 163                 cprintf("%s\n", config.c_humannode);
 164                 cprintf("%s\n", config.c_phonenum);
 165                 cprintf("%d\n", config.c_creataide);
 166                 cprintf("%d\n", config.c_sleeping);
 167                 cprintf("%d\n", config.c_initax);
 168                 cprintf("%d\n", config.c_regiscall);
 169                 cprintf("%d\n", config.c_twitdetect);
 170                 cprintf("%s\n", config.c_twitroom);
 171                 cprintf("%s\n", config.c_moreprompt);
 172                 cprintf("%d\n", config.c_restrict);
 173                 cprintf("%s\n", config.c_bbs_city);
 174                 cprintf("%s\n", config.c_sysadm);
 175                 cprintf("%d\n", config.c_maxsessions);
 176                 cprintf("%s\n", config.c_net_password);
 177                 cprintf("%d\n", config.c_userpurge);
 178                 cprintf("%d\n", config.c_roompurge);
 179                 cprintf("%s\n", config.c_logpages);
 180                 cprintf("%d\n", config.c_createax);
 181                 cprintf("%ld\n", config.c_maxmsglen);
 182                 cprintf("%d\n", config.c_min_workers);
 183                 cprintf("%d\n", config.c_max_workers);
 184                 cprintf("%d\n", config.c_pop3_port);
 185                 cprintf("%d\n", config.c_smtp_port);
 186                 cprintf("%d\n", config.c_default_filter);
 187                 cprintf("%d\n", config.c_aide_zap);
 188                 cprintf("%d\n", config.c_imap_port);
 189                 cprintf("%ld\n", config.c_net_freq);
 190                 cprintf("%d\n", config.c_disable_newu);
 191                 cprintf("000\n");
 192                 }
 193
 194         else if (!strcasecmp(cmd, "SET")) {
 195                 cprintf("%d Send configuration...\n", SEND_LISTING);
 196                 a = 0;
 197                 while (client_gets(buf), strcmp(buf, "000")) {
 198                     switch(a) {
 199                         case 0: safestrncpy(config.c_nodename, buf,
 200                                         sizeof config.c_nodename);
 201                                 break;
 202                         case 1: safestrncpy(config.c_fqdn, buf,
 203                                         sizeof config.c_fqdn);
 204                                 break;
 205                         case 2: safestrncpy(config.c_humannode, buf,
 206                                         sizeof config.c_humannode);
 207                                 break;
 208                         case 3: safestrncpy(config.c_phonenum, buf,
 209                                         sizeof config.c_phonenum);
 210                                 break;
 211                         case 4: config.c_creataide = atoi(buf);
 212                                 break;
 213                         case 5: config.c_sleeping = atoi(buf);
 214                                 break;
 215                         case 6: config.c_initax = atoi(buf);
 216                                 if (config.c_initax < 1) config.c_initax = 1;
 217                                 if (config.c_initax > 6) config.c_initax = 6;
 218                                 break;
 219                         case 7: config.c_regiscall = atoi(buf);
 220                                 if (config.c_regiscall != 0)
 221                                         config.c_regiscall = 1;
 222                                 break;
 223                         case 8: config.c_twitdetect = atoi(buf);
 224                                 if (config.c_twitdetect != 0)
 225                                         config.c_twitdetect = 1;
 226                                 break;
 227                         case 9: safestrncpy(config.c_twitroom, buf,
 228                                         sizeof config.c_twitroom);
 229                                 break;
 230                         case 10: safestrncpy(config.c_moreprompt, buf,
 231                                         sizeof config.c_moreprompt);
 232                                 break;
 233                         case 11: config.c_restrict = atoi(buf);
 234                                 if (config.c_restrict != 0)
 235                                         config.c_restrict = 1;
 236                                 break;
 237                         case 12: safestrncpy(config.c_bbs_city, buf,
 238                                         sizeof config.c_bbs_city);
 239                                 break;
 240                         case 13: safestrncpy(config.c_sysadm, buf,
 241                                         sizeof config.c_sysadm);
 242                                 break;
 243                         case 14: config.c_maxsessions = atoi(buf);
 244                                 if (config.c_maxsessions < 1)
 245                                         config.c_maxsessions = 1;
 246                                 break;
 247                         case 15: safestrncpy(config.c_net_password, buf,
 248                                         sizeof config.c_net_password);
 249                                 break;
 250                         case 16: config.c_userpurge = atoi(buf);
 251                                 break;
 252                         case 17: config.c_roompurge = atoi(buf);
 253                                 break;
 254                         case 18: safestrncpy(config.c_logpages, buf,
 255                                         sizeof config.c_logpages);
 256                                 break;
 257                         case 19: config.c_createax = atoi(buf);
 258                                 if (config.c_createax < 1)
 259                                         config.c_createax = 1;
 260                                 if (config.c_createax > 6)
 261                                         config.c_createax = 6;
 262                                 break;
 263                         case 20: if (atoi(buf) >= 8192)
 264                                         config.c_maxmsglen = atoi(buf);
 265                                 break;
 266                         case 21: if (atoi(buf) >= 2)
 267                                         config.c_min_workers = atoi(buf);
 268                         case 22: if (atoi(buf) >= config.c_min_workers)
 269                                         config.c_max_workers = atoi(buf);
 270                         case 23: config.c_pop3_port = atoi(buf);
 271                                 break;
 272                         case 24: config.c_smtp_port = atoi(buf);
 273                                 break;
 274                         case 25: config.c_default_filter = atoi(buf);
 275                                 break;
 276                         case 26: config.c_aide_zap = atoi(buf);
 277                                 if (config.c_aide_zap != 0)
 278                                         config.c_aide_zap = 1;
 279                                 break;
 280                         case 27: config.c_imap_port = atoi(buf);
 281                                 break;
 282                         case 28: config.c_net_freq = atol(buf);
 283                                 break;
 284                         case 29: config.c_disable_newu = atoi(buf);
 285                                 if (config.c_disable_newu != 0)
 286                                         config.c_disable_newu = 1;
 287                                 break;
 288                         }
 289                     ++a;
 290                     }
 291                 put_config();
 292                 snprintf(buf,sizeof buf,
 293                          "Global system configuration edited by %s\n",
 294                          CC->curr_user);
 295                 aide_message(buf);
 296
 297                 if (strlen(config.c_logpages) > 0)
 298                         create_room(config.c_logpages, 3, "", 0, 1);
 299                 }
 300
 301         else if (!strcasecmp(cmd, "GETSYS")) {
 302                 extract(confname, argbuf, 1);
 303                 confptr = CtdlGetSysConfig(confname);
 304                 if (confptr != NULL) {
 305                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 306                         client_write(confptr, strlen(confptr));
 307                         if (confptr[strlen(confptr)-1] != 10)
 308                                 client_write("\n", 1);
 309                         cprintf("000\n");
 310                         phree(confptr);
 311                 }
 312                 else {
 313                         cprintf("%d No such configuration.\n",
 314                                 ERROR+ILLEGAL_VALUE);
 315                 }
 316         }
 317
 318         else if (!strcasecmp(cmd, "PUTSYS")) {
 319                 extract(confname, argbuf, 1);
 320                 cprintf("%d %s\n", SEND_LISTING, confname);
 321                 confptr = CtdlReadMessageBody("000", config.c_maxmsglen, NULL);
 322                 CtdlPutSysConfig(confname, confptr);
 323                 phree(confptr);
 324         }
 325
 326         else {
 327                 cprintf("%d Illegal option(s) specified.\n",
 328                         ERROR+ILLEGAL_VALUE);
 329                 }
 330         }