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 <syslog.h>
  31 #include <sys/types.h>
  32 #include "citadel.h"
  33 #include "server.h"
  34 #include "control.h"
  35 #include "sysdep_decls.h"
  36 #include "support.h"
  37 #include "config.h"
  38 #include "msgbase.h"
  39 #include "tools.h"
  40 #include "room_ops.h"
  41
  42 struct CitControl CitControl;
  43 struct config config;
  44 FILE *control_fp = NULL;
  45
  46 /*
  47  * get_control  -  read the control record into memory.
  48  */
  49 void get_control(void) {
  50
  51         /* Zero it out.  If the control record on disk is missing or short,
  52          * the system functions with all control record fields initialized
  53          * to zero.
  54          */
  55         memset(&CitControl, 0, sizeof(struct CitControl));
  56         if (control_fp == NULL) {
  57                 control_fp = fopen("citadel.control", "rb+");
  58                 if (control_fp != NULL) {
  59                         fchown(fileno(control_fp), config.c_bbsuid, -1);
  60                 }
  61         }
  62         if (control_fp == NULL) {
  63                 control_fp = fopen("citadel.control", "wb+");
  64                 if (control_fp != NULL) {
  65                         fchown(fileno(control_fp), config.c_bbsuid, -1);
  66                         memset(&CitControl, 0, sizeof(struct CitControl));
  67                         fwrite(&CitControl, sizeof(struct CitControl),
  68                                 1, control_fp);
  69                         rewind(control_fp);
  70                 }
  71         }
  72         if (control_fp == NULL) {
  73                 lprintf(1, "ERROR opening citadel.control: %s\n",
  74                         strerror(errno));
  75                 return;
  76         }
  77
  78         rewind(control_fp);
  79         fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
  80         }
  81
  82 /*
  83  * put_control  -  write the control record to disk.
  84  */
  85 void put_control(void) {
  86
  87         if (control_fp != NULL) {
  88                 rewind(control_fp);
  89                 fwrite(&CitControl, sizeof(struct CitControl), 1, control_fp);
  90                 fflush(control_fp);
  91                 }
  92         }
  93
  94
  95 /*
  96  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
  97  */
  98 long get_new_message_number(void) {
  99         begin_critical_section(S_CONTROL);
 100         get_control();
 101         ++CitControl.MMhighest;
 102         put_control();
 103         end_critical_section(S_CONTROL);
 104         return(CitControl.MMhighest);
 105         }
 106
 107
 108 /*
 109  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
 110  */
 111 long get_new_user_number(void) {
 112         begin_critical_section(S_CONTROL);
 113         get_control();
 114         ++CitControl.MMnextuser;
 115         put_control();
 116         end_critical_section(S_CONTROL);
 117         return(CitControl.MMnextuser);
 118         }
 119
 120
 121
 122 /*
 123  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 124  */
 125 long get_new_room_number(void) {
 126         begin_critical_section(S_CONTROL);
 127         get_control();
 128         ++CitControl.MMnextroom;
 129         put_control();
 130         end_critical_section(S_CONTROL);
 131         return(CitControl.MMnextroom);
 132         }
 133
 134
 135
 136 /*
 137  * Get or set global configuration options
 138  */
 139 void cmd_conf(char *argbuf) {
 140         char cmd[SIZ];
 141         char buf[SIZ];
 142         int a;
 143         char *confptr;
 144         char confname[SIZ];
 145
 146         if (!(CC->logged_in)) {
 147                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 148                 return;
 149                 }
 150
 151         if (CC->usersupp.axlevel < 6) {
 152                 cprintf("%d Higher access required.\n",
 153                         ERROR+HIGHER_ACCESS_REQUIRED);
 154                 return;
 155                 }
 156
 157         extract(cmd, argbuf, 0);
 158         if (!strcasecmp(cmd, "GET")) {
 159                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 160                 cprintf("%s\n", config.c_nodename);
 161                 cprintf("%s\n", config.c_fqdn);
 162                 cprintf("%s\n", config.c_humannode);
 163                 cprintf("%s\n", config.c_phonenum);
 164                 cprintf("%d\n", config.c_creataide);
 165                 cprintf("%d\n", config.c_sleeping);
 166                 cprintf("%d\n", config.c_initax);
 167                 cprintf("%d\n", config.c_regiscall);
 168                 cprintf("%d\n", config.c_twitdetect);
 169                 cprintf("%s\n", config.c_twitroom);
 170                 cprintf("%s\n", config.c_moreprompt);
 171                 cprintf("%d\n", config.c_restrict);
 172                 cprintf("%s\n", config.c_bbs_city);
 173                 cprintf("%s\n", config.c_sysadm);
 174                 cprintf("%d\n", config.c_maxsessions);
 175                 cprintf("%s\n", config.c_net_password);
 176                 cprintf("%d\n", config.c_userpurge);
 177                 cprintf("%d\n", config.c_roompurge);
 178                 cprintf("%s\n", config.c_logpages);
 179                 cprintf("%d\n", config.c_createax);
 180                 cprintf("%d\n", config.c_maxmsglen);
 181                 cprintf("%d\n", config.c_min_workers);
 182                 cprintf("%d\n", config.c_max_workers);
 183                 cprintf("%d\n", config.c_pop3_port);
 184                 cprintf("%d\n", config.c_smtp_port);
 185                 cprintf("%d\n", config.c_default_filter);
 186                 cprintf("%d\n", config.c_aide_zap);
 187                 cprintf("%d\n", config.c_imap_port);
 188                 cprintf("000\n");
 189                 }
 190
 191         else if (!strcasecmp(cmd, "SET")) {
 192                 cprintf("%d Send configuration...\n", SEND_LISTING);
 193                 a = 0;
 194                 while (client_gets(buf), strcmp(buf, "000")) {
 195                     switch(a) {
 196                         case 0: safestrncpy(config.c_nodename, buf,
 197                                         sizeof config.c_nodename);
 198                                 break;
 199                         case 1: safestrncpy(config.c_fqdn, buf,
 200                                         sizeof config.c_fqdn);
 201                                 break;
 202                         case 2: safestrncpy(config.c_humannode, buf,
 203                                         sizeof config.c_humannode);
 204                                 break;
 205                         case 3: safestrncpy(config.c_phonenum, buf,
 206                                         sizeof config.c_phonenum);
 207                                 break;
 208                         case 4: config.c_creataide = atoi(buf);
 209                                 break;
 210                         case 5: config.c_sleeping = atoi(buf);
 211                                 break;
 212                         case 6: config.c_initax = atoi(buf);
 213                                 if (config.c_initax < 1) config.c_initax = 1;
 214                                 if (config.c_initax > 6) config.c_initax = 6;
 215                                 break;
 216                         case 7: config.c_regiscall = atoi(buf);
 217                                 if (config.c_regiscall != 0)
 218                                         config.c_regiscall = 1;
 219                                 break;
 220                         case 8: config.c_twitdetect = atoi(buf);
 221                                 if (config.c_twitdetect != 0)
 222                                         config.c_twitdetect = 1;
 223                                 break;
 224                         case 9: safestrncpy(config.c_twitroom, buf,
 225                                         sizeof config.c_twitroom);
 226                                 break;
 227                         case 10: safestrncpy(config.c_moreprompt, buf,
 228                                         sizeof config.c_moreprompt);
 229                                 break;
 230                         case 11: config.c_restrict = atoi(buf);
 231                                 if (config.c_restrict != 0)
 232                                         config.c_restrict = 1;
 233                                 break;
 234                         case 12: safestrncpy(config.c_bbs_city, buf,
 235                                         sizeof config.c_bbs_city);
 236                                 break;
 237                         case 13: safestrncpy(config.c_sysadm, buf,
 238                                         sizeof config.c_sysadm);
 239                                 break;
 240                         case 14: config.c_maxsessions = atoi(buf);
 241                                 if (config.c_maxsessions < 1)
 242                                         config.c_maxsessions = 1;
 243                                 break;
 244                         case 15: safestrncpy(config.c_net_password, buf,
 245                                         sizeof config.c_net_password);
 246                                 break;
 247                         case 16: config.c_userpurge = atoi(buf);
 248                                 break;
 249                         case 17: config.c_roompurge = atoi(buf);
 250                                 break;
 251                         case 18: safestrncpy(config.c_logpages, buf,
 252                                         sizeof config.c_logpages);
 253                                 break;
 254                         case 19: config.c_createax = atoi(buf);
 255                                 if (config.c_createax < 1)
 256                                         config.c_createax = 1;
 257                                 if (config.c_createax > 6)
 258                                         config.c_createax = 6;
 259                                 break;
 260                         case 20: if (atoi(buf) >= 8192)
 261                                         config.c_maxmsglen = atoi(buf);
 262                                 break;
 263                         case 21: if (atoi(buf) >= 2)
 264                                         config.c_min_workers = atoi(buf);
 265                         case 22: if (atoi(buf) >= config.c_min_workers)
 266                                         config.c_max_workers = atoi(buf);
 267                         case 23: config.c_pop3_port = atoi(buf);
 268                                 break;
 269                         case 24: config.c_smtp_port = atoi(buf);
 270                                 break;
 271                         case 25: config.c_default_filter = atoi(buf);
 272                                 break;
 273                         case 26: config.c_aide_zap = atoi(buf);
 274                                 if (config.c_aide_zap != 0)
 275                                         config.c_aide_zap = 1;
 276                                 break;
 277                         case 27: config.c_imap_port = atoi(buf);
 278                                 break;
 279                         }
 280                     ++a;
 281                     }
 282                 put_config();
 283                 snprintf(buf,sizeof buf,
 284                          "Global system configuration edited by %s\n",
 285                          CC->curr_user);
 286                 aide_message(buf);
 287
 288                 if (strlen(config.c_logpages) > 0)
 289                         create_room(config.c_logpages, 3, "", 0, 1);
 290                 }
 291
 292         else if (!strcasecmp(cmd, "GETSYS")) {
 293                 extract(confname, argbuf, 1);
 294                 confptr = CtdlGetSysConfig(confname);
 295                 if (confptr != NULL) {
 296                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 297                         client_write(confptr, strlen(confptr));
 298                         if (confptr[strlen(confptr)-1] != 10)
 299                                 client_write("\n", 1);
 300                         cprintf("000\n");
 301                         phree(confptr);
 302                 }
 303                 else {
 304                         cprintf("%d No such configuration.\n",
 305                                 ERROR+ILLEGAL_VALUE);
 306                 }
 307         }
 308
 309         else if (!strcasecmp(cmd, "PUTSYS")) {
 310                 extract(confname, argbuf, 1);
 311                 cprintf("%d %s\n", SEND_LISTING, confname);
 312                 confptr = CtdlReadMessageBody("000", config.c_maxmsglen, NULL);
 313                 CtdlPutSysConfig(confname, confptr);
 314                 phree(confptr);
 315         }
 316
 317         else {
 318                 cprintf("%d Illegal option(s) specified.\n",
 319                         ERROR+ILLEGAL_VALUE);
 320                 }
 321         }