citadel/serv_rwho.c

   1 /*
   2  * $Id$
   3  *
   4  * This module implementsserver commands related to the display and
   5  * manipulation of the "Who's online" list.
   6  *
   7  */
   8
   9 #include "sysdep.h"
  10 #include <stdlib.h>
  11 #include <unistd.h>
  12 #include <stdio.h>
  13 #include <fcntl.h>
  14 #include <signal.h>
  15 #include <pwd.h>
  16 #include <errno.h>
  17 #include <sys/types.h>
  18 #include <sys/time.h>
  19 #include <sys/wait.h>
  20 #include <string.h>
  21 #include <limits.h>
  22 #include "citadel.h"
  23 #include "server.h"
  24 #include <time.h>
  25 #include "sysdep_decls.h"
  26 #include "citserver.h"
  27 #include "support.h"
  28 #include "config.h"
  29 #include "control.h"
  30 #include "dynloader.h"
  31 #include "room_ops.h"
  32 #include "user_ops.h"
  33 #include "policy.h"
  34 #include "database.h"
  35 #include "msgbase.h"
  36 #include "tools.h"
  37
  38
  39
  40 /*
  41  * display who's online
  42  */
  43 void cmd_rwho(char *argbuf) {
  44         struct CitContext *cptr;
  45         int spoofed = 0;
  46         int user_spoofed = 0;
  47         int room_spoofed = 0;
  48         int host_spoofed = 0;
  49         int aide;
  50         char un[40];
  51         char real_room[ROOMNAMELEN], room[ROOMNAMELEN];
  52         char host[40], flags[5];
  53
  54         aide = CC->usersupp.axlevel >= 6;
  55         cprintf("%d%c \n", LISTING_FOLLOWS, CtdlCheckExpress() );
  56
  57         for (cptr = ContextList; cptr != NULL; cptr = cptr->next)
  58         {
  59                 flags[0] = '\0';
  60                 spoofed = 0;
  61                 user_spoofed = 0;
  62                 room_spoofed = 0;
  63                 host_spoofed = 0;
  64
  65                 if (cptr->cs_flags & CS_POSTING)
  66                    strcat(flags, "*");
  67                 else
  68                    strcat(flags, ".");
  69
  70                 if (cptr->fake_username[0])
  71                 {
  72                    strcpy(un, cptr->fake_username);
  73                    spoofed = 1;
  74                    user_spoofed = 1;
  75                 }
  76                 else
  77                    strcpy(un, cptr->curr_user);
  78
  79                 if (cptr->fake_hostname[0])
  80                 {
  81                    strcpy(host, cptr->fake_hostname);
  82                    spoofed = 1;
  83                    host_spoofed = 1;
  84                 }
  85                 else
  86                    strcpy(host, cptr->cs_host);
  87
  88                 GenerateRoomDisplay(real_room, cptr, CC);
  89
  90                 if (cptr->fake_roomname[0]) {
  91                         strcpy(room, cptr->fake_roomname);
  92                         spoofed = 1;
  93                         room_spoofed = 1;
  94                 }
  95                 else {
  96                         strcpy(room, real_room);
  97                 }
  98
  99                 if ((aide) && (spoofed))
 100                    strcat(flags, "+");
 101
 102                 if ((cptr->cs_flags & CS_STEALTH) && (aide))
 103                    strcat(flags, "-");
 104
 105                 if (((cptr->cs_flags&CS_STEALTH)==0) || (aide))
 106                 {
 107                         cprintf("%d|%s|%s|%s|%s|%ld|%s|%s|",
 108                                 cptr->cs_pid, un, room,
 109                                 host, cptr->cs_clientname,
 110                                 (long)(cptr->lastidle),
 111                                 cptr->lastcmdname, flags);
 112                 }
 113
 114                 if ((user_spoofed) && (aide)) {
 115                         cprintf("%s|", cptr->curr_user);
 116                 }
 117                 else {
 118                         cprintf("|");
 119                 }
 120
 121                 if ((room_spoofed) && (aide)) {
 122                         cprintf("%s|", real_room);
 123                 }
 124                 else {
 125                         cprintf("|");
 126                 }
 127
 128                 if ((host_spoofed) && (aide)) {
 129                         cprintf("%s|", cptr->cs_host);
 130                 }
 131                 else {
 132                         cprintf("|");
 133                 }
 134
 135                 cprintf("\n");
 136
 137         }
 138
 139         /* Now it's magic time.  Before we finish, call any EVT_RWHO hooks
 140          * so that external paging modules such as serv_icq can add more
 141          * content to the Wholist.
 142          */
 143         PerformSessionHooks(EVT_RWHO);
 144         cprintf("000\n");
 145         }
 146
 147
 148 /*
 149  * Masquerade roomname
 150  */
 151 void cmd_rchg(char *argbuf)
 152 {
 153         char newroomname[SIZ];
 154
 155         extract(newroomname, argbuf, 0);
 156         newroomname[ROOMNAMELEN-1] = 0;
 157         if (strlen(newroomname) > 0) {
 158                 safestrncpy(CC->fake_roomname, newroomname,
 159                         sizeof(CC->fake_roomname) );
 160                 }
 161         else {
 162                 strcpy(CC->fake_roomname, "");
 163                 }
 164         cprintf("%d OK\n", OK);
 165 }
 166
 167 /*
 168  * Masquerade hostname
 169  */
 170 void cmd_hchg(char *argbuf)
 171 {
 172         char newhostname[SIZ];
 173
 174         extract(newhostname, argbuf, 0);
 175         if (strlen(newhostname) > 0) {
 176                 safestrncpy(CC->fake_hostname, newhostname,
 177                         sizeof(CC->fake_hostname) );
 178                 }
 179         else {
 180                 strcpy(CC->fake_hostname, "");
 181                 }
 182         cprintf("%d OK\n", OK);
 183 }
 184
 185
 186 /*
 187  * Masquerade username (aides only)
 188  */
 189 void cmd_uchg(char *argbuf)
 190 {
 191
 192         char newusername[SIZ];
 193
 194         extract(newusername, argbuf, 0);
 195
 196         if (CtdlAccessCheck(ac_aide)) return;
 197
 198         if (strlen(newusername) > 0) {
 199                 CC->cs_flags &= ~CS_STEALTH;
 200                 memset(CC->fake_username, 0, 32);
 201                 if (strncasecmp(newusername, CC->curr_user,
 202                                 strlen(CC->curr_user)))
 203                         safestrncpy(CC->fake_username, newusername,
 204                                 sizeof(CC->fake_username));
 205         }
 206         else {
 207                 CC->fake_username[0] = '\0';
 208                 CC->cs_flags |= CS_STEALTH;
 209         }
 210         cprintf("%d\n",OK);
 211 }
 212
 213
 214
 215
 216 /*
 217  * enter or exit "stealth mode"
 218  */
 219 void cmd_stel(char *cmdbuf)
 220 {
 221         int requested_mode;
 222
 223         requested_mode = extract_int(cmdbuf,0);
 224         if (requested_mode !=0) requested_mode = 1;
 225
 226         if (CtdlAccessCheck(ac_aide)) return;
 227
 228         if (CC->cs_flags & CS_STEALTH) {
 229                 if (requested_mode == 0)
 230                         CC->cs_flags = CC->cs_flags-CS_STEALTH;
 231                 }
 232         else {
 233                 if (requested_mode == 1)
 234                         CC->cs_flags = CC->cs_flags|CS_STEALTH;
 235                 }
 236
 237         cprintf("%d Ok\n",OK);
 238         }
 239
 240
 241
 242
 243
 244
 245
 246 char *Dynamic_Module_Init(void)
 247 {
 248         CtdlRegisterProtoHook(cmd_rwho, "RWHO", "Display who is online");
 249         CtdlRegisterProtoHook(cmd_hchg, "HCHG", "Masquerade hostname");
 250         CtdlRegisterProtoHook(cmd_rchg, "RCHG", "Masquerade roomname");
 251         CtdlRegisterProtoHook(cmd_uchg, "UCHG", "Masquerade username");
 252         CtdlRegisterProtoHook(cmd_stel, "STEL", "Enter/exit stealth mode");
 253         return "$Id$";
 254 }