citadel/control.c

   1 /*
   2  * control.c
   3  *
   4  * This module handles states which are global to the entire server.
   5  *
   6  * $Id$
   7  *
   8  */
   9
  10 #include <stdlib.h>
  11 #include <unistd.h>
  12 #include <stdio.h>
  13 #include <fcntl.h>
  14 #include <signal.h>
  15 #include <time.h>
  16 #include <ctype.h>
  17 #include <string.h>
  18 #include <errno.h>
  19 #include <limits.h>
  20 #include <pthread.h>
  21 #include <syslog.h>
  22 #include "citadel.h"
  23 #include "server.h"
  24 #include "control.h"
  25 #include "sysdep_decls.h"
  26 #include "support.h"
  27 #include "config.h"
  28 #include "msgbase.h"
  29 #include "tools.h"
  30 #include "room_ops.h"
  31
  32 struct CitControl CitControl;
  33 struct config config;
  34
  35 /*
  36  * get_control  -  read the control record into memory.
  37  */
  38 void get_control(void) {
  39         FILE *fp;
  40
  41         /* Zero it out.  If the control record on disk is missing or short,
  42          * the system functions with all control record fields initialized
  43          * to zero.
  44          */
  45         memset(&CitControl, 0, sizeof(struct CitControl));
  46         fp = fopen("citadel.control", "rb");
  47         if (fp == NULL) return;
  48
  49         fread(&CitControl, sizeof(struct CitControl), 1, fp);
  50         fclose(fp);
  51         }
  52
  53 /*
  54  * put_control  -  write the control record to disk.
  55  */
  56 void put_control(void) {
  57         FILE *fp;
  58
  59         fp = fopen("citadel.control", "wb");
  60         if (fp != NULL) {
  61                 fwrite(&CitControl, sizeof(struct CitControl), 1, fp);
  62                 fclose(fp);
  63                 }
  64         }
  65
  66
  67 /*
  68  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
  69  */
  70 long get_new_message_number(void) {
  71         begin_critical_section(S_CONTROL);
  72         get_control();
  73         ++CitControl.MMhighest;
  74         put_control();
  75         end_critical_section(S_CONTROL);
  76         return(CitControl.MMhighest);
  77         }
  78
  79
  80 /*
  81  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
  82  */
  83 long get_new_user_number(void) {
  84         begin_critical_section(S_CONTROL);
  85         get_control();
  86         ++CitControl.MMnextuser;
  87         put_control();
  88         end_critical_section(S_CONTROL);
  89         return(CitControl.MMnextuser);
  90         }
  91
  92
  93
  94 /*
  95  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
  96  */
  97 long get_new_room_number(void) {
  98         begin_critical_section(S_CONTROL);
  99         get_control();
 100         ++CitControl.MMnextroom;
 101         put_control();
 102         end_critical_section(S_CONTROL);
 103         return(CitControl.MMnextroom);
 104         }
 105
 106
 107
 108 /*
 109  * Get or set global configuration options
 110  */
 111 void cmd_conf(char *argbuf) {
 112         char cmd[256];
 113         char buf[256];
 114         int a;
 115
 116         if (!(CC->logged_in)) {
 117                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 118                 return;
 119                 }
 120
 121         if (CC->usersupp.axlevel < 6) {
 122                 cprintf("%d Higher access required.\n",
 123                         ERROR+HIGHER_ACCESS_REQUIRED);
 124                 return;
 125                 }
 126
 127         extract(cmd, argbuf, 0);
 128         if (!strcasecmp(cmd, "GET")) {
 129                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 130                 cprintf("%s\n", config.c_nodename);
 131                 cprintf("%s\n", config.c_fqdn);
 132                 cprintf("%s\n", config.c_humannode);
 133                 cprintf("%s\n", config.c_phonenum);
 134                 cprintf("%d\n", config.c_creataide);
 135                 cprintf("%d\n", config.c_sleeping);
 136                 cprintf("%d\n", config.c_initax);
 137                 cprintf("%d\n", config.c_regiscall);
 138                 cprintf("%d\n", config.c_twitdetect);
 139                 cprintf("%s\n", config.c_twitroom);
 140                 cprintf("%s\n", config.c_moreprompt);
 141                 cprintf("%d\n", config.c_restrict);
 142                 cprintf("%s\n", config.c_bbs_city);
 143                 cprintf("%s\n", config.c_sysadm);
 144                 cprintf("%d\n", config.c_maxsessions);
 145                 cprintf("%s\n", config.c_net_password);
 146                 cprintf("%d\n", config.c_userpurge);
 147                 cprintf("%d\n", config.c_roompurge);
 148                 cprintf("%s\n", config.c_logpages);
 149                 cprintf("000\n");
 150                 }
 151
 152         else if (!strcasecmp(cmd, "SET")) {
 153                 cprintf("%d Send configuration...\n", SEND_LISTING);
 154                 a = 0;
 155                 while (client_gets(buf), strcmp(buf, "000")) {
 156                     switch(a) {
 157                         case 0: strncpy(config.c_nodename, buf, 16);
 158                                 break;
 159                         case 1: strncpy(config.c_fqdn, buf, 64);
 160                                 break;
 161                         case 2: strncpy(config.c_humannode, buf, 21);
 162                                 break;
 163                         case 3: strncpy(config.c_phonenum, buf, 16);
 164                                 break;
 165                         case 4: config.c_creataide = atoi(buf);
 166                                 break;
 167                         case 5: config.c_sleeping = atoi(buf);
 168                                 break;
 169                         case 6: config.c_initax = atoi(buf);
 170                                 if (config.c_initax < 1) config.c_initax = 1;
 171                                 if (config.c_initax > 6) config.c_initax = 6;
 172                                 break;
 173                         case 7: config.c_regiscall = atoi(buf);
 174                                 if (config.c_regiscall != 0)
 175                                         config.c_regiscall = 1;
 176                                 break;
 177                         case 8: config.c_twitdetect = atoi(buf);
 178                                 if (config.c_twitdetect != 0)
 179                                         config.c_twitdetect = 1;
 180                                 break;
 181                         case 9: strncpy(config.c_twitroom,
 182                                         buf, ROOMNAMELEN);
 183                                 break;
 184                         case 10: strncpy(config.c_moreprompt, buf, 80);
 185                                 break;
 186                         case 11: config.c_restrict = atoi(buf);
 187                                 if (config.c_restrict != 0)
 188                                         config.c_restrict = 1;
 189                                 break;
 190                         case 12: strncpy(config.c_bbs_city, buf, 32);
 191                                 break;
 192                         case 13: strncpy(config.c_sysadm, buf, 26);
 193                                 break;
 194                         case 14: config.c_maxsessions = atoi(buf);
 195                                 if (config.c_maxsessions < 1)
 196                                         config.c_maxsessions = 1;
 197                                 break;
 198                         case 15: strncpy(config.c_net_password, buf, 20);
 199                                 break;
 200                         case 16: config.c_userpurge = atoi(buf);
 201                                 break;
 202                         case 17: config.c_roompurge = atoi(buf);
 203                                 break;
 204                         case 18: strncpy(config.c_logpages,
 205                                         buf, ROOMNAMELEN);
 206                                 break;
 207                                 }
 208                     ++a;
 209                     }
 210                 put_config();
 211                 snprintf(buf,sizeof buf,
 212                          "Global system configuration edited by %s",
 213                          CC->curr_user);
 214                 aide_message(buf);
 215
 216                 if (strlen(config.c_logpages) > 0)
 217                         create_room(config.c_logpages, 4, "", 0);
 218                 }
 219
 220         else {
 221                 cprintf("%d The only valid options are GET and SET.\n",
 222                         ERROR+ILLEGAL_VALUE);
 223                 }
 224         }