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 #include <time.h>
  15 #include <ctype.h>
  16 #include <string.h>
  17 #include <errno.h>
  18 #include <limits.h>
  19 #include <syslog.h>
  20 #include "citadel.h"
  21 #include "server.h"
  22 #include "control.h"
  23 #include "sysdep_decls.h"
  24 #include "support.h"
  25 #include "config.h"
  26 #include "msgbase.h"
  27 #include "tools.h"
  28 #include "room_ops.h"
  29
  30 struct CitControl CitControl;
  31 struct config config;
  32 FILE *control_fp = NULL;
  33
  34 /*
  35  * get_control  -  read the control record into memory.
  36  */
  37 void get_control(void) {
  38
  39         /* Zero it out.  If the control record on disk is missing or short,
  40          * the system functions with all control record fields initialized
  41          * to zero.
  42          */
  43         memset(&CitControl, 0, sizeof(struct CitControl));
  44         if (control_fp == NULL)
  45                 control_fp = fopen("citadel.control", "rb+");
  46         if (control_fp == NULL) {
  47                 control_fp = fopen("citadel.control", "wb+");
  48                 if (control_fp != NULL) {
  49                         memset(&CitControl, 0, sizeof(struct CitControl));
  50                         fwrite(&CitControl, sizeof(struct CitControl),
  51                                 1, control_fp);
  52                         rewind(control_fp);
  53                 }
  54         }
  55         if (control_fp == NULL) {
  56                 lprintf(1, "ERROR opening citadel.control: %s\n",
  57                         strerror(errno));
  58                 return;
  59         }
  60
  61         rewind(control_fp);
  62         fread(&CitControl, sizeof(struct CitControl), 1, control_fp);
  63         }
  64
  65 /*
  66  * put_control  -  write the control record to disk.
  67  */
  68 void put_control(void) {
  69
  70         if (control_fp != NULL) {
  71                 rewind(control_fp);
  72                 fwrite(&CitControl, sizeof(struct CitControl), 1, control_fp);
  73                 fflush(control_fp);
  74                 }
  75         }
  76
  77
  78 /*
  79  * get_new_message_number()  -  Obtain a new, unique ID to be used for a message.
  80  */
  81 long get_new_message_number(void) {
  82         begin_critical_section(S_CONTROL);
  83         get_control();
  84         ++CitControl.MMhighest;
  85         put_control();
  86         end_critical_section(S_CONTROL);
  87         return(CitControl.MMhighest);
  88         }
  89
  90
  91 /*
  92  * get_new_user_number()  -  Obtain a new, unique ID to be used for a user.
  93  */
  94 long get_new_user_number(void) {
  95         begin_critical_section(S_CONTROL);
  96         get_control();
  97         ++CitControl.MMnextuser;
  98         put_control();
  99         end_critical_section(S_CONTROL);
 100         return(CitControl.MMnextuser);
 101         }
 102
 103
 104
 105 /*
 106  * get_new_room_number()  -  Obtain a new, unique ID to be used for a room.
 107  */
 108 long get_new_room_number(void) {
 109         begin_critical_section(S_CONTROL);
 110         get_control();
 111         ++CitControl.MMnextroom;
 112         put_control();
 113         end_critical_section(S_CONTROL);
 114         return(CitControl.MMnextroom);
 115         }
 116
 117
 118
 119 /*
 120  * Get or set global configuration options
 121  */
 122 void cmd_conf(char *argbuf) {
 123         char cmd[256];
 124         char buf[256];
 125         int a;
 126         char *confptr;
 127         char confname[256];
 128
 129         if (!(CC->logged_in)) {
 130                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 131                 return;
 132                 }
 133
 134         if (CC->usersupp.axlevel < 6) {
 135                 cprintf("%d Higher access required.\n",
 136                         ERROR+HIGHER_ACCESS_REQUIRED);
 137                 return;
 138                 }
 139
 140         extract(cmd, argbuf, 0);
 141         if (!strcasecmp(cmd, "GET")) {
 142                 cprintf("%d Configuration...\n", LISTING_FOLLOWS);
 143                 cprintf("%s\n", config.c_nodename);
 144                 cprintf("%s\n", config.c_fqdn);
 145                 cprintf("%s\n", config.c_humannode);
 146                 cprintf("%s\n", config.c_phonenum);
 147                 cprintf("%d\n", config.c_creataide);
 148                 cprintf("%d\n", config.c_sleeping);
 149                 cprintf("%d\n", config.c_initax);
 150                 cprintf("%d\n", config.c_regiscall);
 151                 cprintf("%d\n", config.c_twitdetect);
 152                 cprintf("%s\n", config.c_twitroom);
 153                 cprintf("%s\n", config.c_moreprompt);
 154                 cprintf("%d\n", config.c_restrict);
 155                 cprintf("%s\n", config.c_bbs_city);
 156                 cprintf("%s\n", config.c_sysadm);
 157                 cprintf("%d\n", config.c_maxsessions);
 158                 cprintf("%s\n", config.c_net_password);
 159                 cprintf("%d\n", config.c_userpurge);
 160                 cprintf("%d\n", config.c_roompurge);
 161                 cprintf("%s\n", config.c_logpages);
 162                 cprintf("%d\n", config.c_createax);
 163                 cprintf("%d\n", config.c_maxmsglen);
 164                 cprintf("%d\n", config.c_min_workers);
 165                 cprintf("%d\n", config.c_max_workers);
 166                 cprintf("%d\n", config.c_pop3_port);
 167                 cprintf("%d\n", config.c_smtp_port);
 168                 cprintf("%d\n", config.c_default_filter);
 169                 cprintf("000\n");
 170                 }
 171
 172         else if (!strcasecmp(cmd, "SET")) {
 173                 cprintf("%d Send configuration...\n", SEND_LISTING);
 174                 a = 0;
 175                 while (client_gets(buf), strcmp(buf, "000")) {
 176                     switch(a) {
 177                         case 0: safestrncpy(config.c_nodename, buf,
 178                                         sizeof config.c_nodename);
 179                                 break;
 180                         case 1: safestrncpy(config.c_fqdn, buf,
 181                                         sizeof config.c_fqdn);
 182                                 break;
 183                         case 2: safestrncpy(config.c_humannode, buf,
 184                                         sizeof config.c_humannode);
 185                                 break;
 186                         case 3: safestrncpy(config.c_phonenum, buf,
 187                                         sizeof config.c_phonenum);
 188                                 break;
 189                         case 4: config.c_creataide = atoi(buf);
 190                                 break;
 191                         case 5: config.c_sleeping = atoi(buf);
 192                                 break;
 193                         case 6: config.c_initax = atoi(buf);
 194                                 if (config.c_initax < 1) config.c_initax = 1;
 195                                 if (config.c_initax > 6) config.c_initax = 6;
 196                                 break;
 197                         case 7: config.c_regiscall = atoi(buf);
 198                                 if (config.c_regiscall != 0)
 199                                         config.c_regiscall = 1;
 200                                 break;
 201                         case 8: config.c_twitdetect = atoi(buf);
 202                                 if (config.c_twitdetect != 0)
 203                                         config.c_twitdetect = 1;
 204                                 break;
 205                         case 9: safestrncpy(config.c_twitroom, buf,
 206                                         sizeof config.c_twitroom);
 207                                 break;
 208                         case 10: safestrncpy(config.c_moreprompt, buf,
 209                                         sizeof config.c_moreprompt);
 210                                 break;
 211                         case 11: config.c_restrict = atoi(buf);
 212                                 if (config.c_restrict != 0)
 213                                         config.c_restrict = 1;
 214                                 break;
 215                         case 12: safestrncpy(config.c_bbs_city, buf,
 216                                         sizeof config.c_bbs_city);
 217                                 break;
 218                         case 13: safestrncpy(config.c_sysadm, buf,
 219                                         sizeof config.c_sysadm);
 220                                 break;
 221                         case 14: config.c_maxsessions = atoi(buf);
 222                                 if (config.c_maxsessions < 1)
 223                                         config.c_maxsessions = 1;
 224                                 break;
 225                         case 15: safestrncpy(config.c_net_password, buf,
 226                                         sizeof config.c_net_password);
 227                                 break;
 228                         case 16: config.c_userpurge = atoi(buf);
 229                                 break;
 230                         case 17: config.c_roompurge = atoi(buf);
 231                                 break;
 232                         case 18: safestrncpy(config.c_logpages, buf,
 233                                         sizeof config.c_logpages);
 234                                 break;
 235                         case 19: config.c_createax = atoi(buf);
 236                                 if (config.c_createax < 1)
 237                                         config.c_createax = 1;
 238                                 if (config.c_createax > 6)
 239                                         config.c_createax = 6;
 240                                 break;
 241                         case 20: if (atoi(buf) >= 8192)
 242                                         config.c_maxmsglen = atoi(buf);
 243                                 break;
 244                         case 21: if (atoi(buf) >= 2)
 245                                         config.c_min_workers = atoi(buf);
 246                         case 22: if (atoi(buf) >= config.c_min_workers)
 247                                         config.c_max_workers = atoi(buf);
 248                         case 23: config.c_pop3_port = atoi(buf);
 249                                 break;
 250                         case 24: config.c_smtp_port = atoi(buf);
 251                                 break;
 252                         case 25: config.c_default_filter = atoi(buf);
 253                                 break;
 254                         }
 255                     ++a;
 256                     }
 257                 put_config();
 258                 snprintf(buf,sizeof buf,
 259                          "Global system configuration edited by %s\n",
 260                          CC->curr_user);
 261                 aide_message(buf);
 262
 263                 if (strlen(config.c_logpages) > 0)
 264                         create_room(config.c_logpages, 3, "", 0);
 265                 }
 266
 267         else if (!strcasecmp(cmd, "GETSYS")) {
 268                 extract(confname, argbuf, 1);
 269                 confptr = CtdlGetSysConfig(confname);
 270                 if (confptr != NULL) {
 271                         cprintf("%d %s\n", LISTING_FOLLOWS, confname);
 272                         client_write(confptr, strlen(confptr));
 273                         if (confptr[strlen(confptr)-1] != 10)
 274                                 client_write("\n", 1);
 275                         cprintf("000\n");
 276                         phree(confptr);
 277                 }
 278                 else {
 279                         cprintf("%d No such configuration.\n",
 280                                 ERROR+ILLEGAL_VALUE);
 281                 }
 282         }
 283
 284         else if (!strcasecmp(cmd, "PUTSYS")) {
 285                 extract(confname, argbuf, 1);
 286                 cprintf("%d %s\n", SEND_LISTING, confname);
 287                 confptr = CtdlReadMessageBody("000", config.c_maxmsglen, NULL);
 288                 CtdlPutSysConfig(confname, confptr);
 289                 phree(confptr);
 290         }
 291
 292         else {
 293                 cprintf("%d Illegal option(s) specified.\n",
 294                         ERROR+ILLEGAL_VALUE);
 295                 }
 296         }