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