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