webcit/who.c

   1 /* $Id$ */
   2
   3
   4
   5
   6 #include <ctype.h>
   7 #include <stdlib.h>
   8 #include <unistd.h>
   9 #include <stdio.h>
  10 #include <fcntl.h>
  11 #include <signal.h>
  12 #include <sys/types.h>
  13 #include <sys/wait.h>
  14 #include <sys/socket.h>
  15 #include <sys/time.h>
  16 #include <limits.h>
  17 #include <netinet/in.h>
  18 #include <netdb.h>
  19 #include <string.h>
  20 #include <pwd.h>
  21 #include <errno.h>
  22 #include <stdarg.h>
  23 #include <pthread.h>
  24 #include <signal.h>
  25 #include "webcit.h"
  26
  27
  28
  29
  30
  31
  32
  33 struct whouser {
  34         struct whouser *next;
  35         int sessionnum;
  36         char username[256];
  37         char roomname[256];
  38         char hostname[256];
  39         char clientsoftware[256];
  40 };
  41
  42 /*
  43  * who is on?
  44  */
  45 void whobbs(void)
  46 {
  47         struct whouser *wlist = NULL;
  48         struct whouser *wptr = NULL;
  49         char buf[256], sess, user[256], room[256], host[256];
  50         int foundit;
  51
  52         output_headers(7);
  53
  54
  55         wprintf("<SCRIPT LANGUAGE=\"JavaScript\">\n"
  56                 "function ConfirmKill() { \n"
  57                 "return confirm('Do you really want to kill this session?');\n"
  58                 "}\n"
  59                 "</SCRIPT>\n"
  60         );
  61
  62         wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=007700><TR><TD>");
  63         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"<B>Users currently on ");
  64         escputs(serv_info.serv_humannode);
  65         wprintf("</B></FONT></TD></TR></TABLE>\n");
  66
  67         wprintf("<CENTER>\n<TABLE BORDER=1 WIDTH=100%>\n<TR>\n");
  68         wprintf("<TH>Session ID</TH>\n");
  69         wprintf("<TH>User Name</TH>\n");
  70         wprintf("<TH>Room</TH>");
  71         wprintf("<TH>From host</TH>\n</TR>\n");
  72         serv_puts("RWHO");
  73         serv_gets(buf);
  74         if (buf[0] == '1') {
  75                 while (serv_gets(buf), strcmp(buf, "000")) {
  76                         sess = extract_int(buf, 0);
  77                         extract(user, buf, 1);
  78                         extract(room, buf, 2);
  79                         extract(host, buf, 3);
  80
  81                         foundit = 0;
  82                         for (wptr = wlist; wptr != NULL; wptr = wptr->next) {
  83                                 if (wptr->sessionnum == sess) {
  84                                         foundit = 1;
  85                                         if (strcasecmp(user, wptr->username)) {
  86                                                 sprintf(buf, "%cBR%c%s",
  87                                                         LB, RB, user);
  88                                                 strcat(wptr->username, buf);
  89                                         }
  90                                         if (strcasecmp(room, wptr->roomname)) {
  91                                                 sprintf(buf, "%cBR%c%s",
  92                                                         LB, RB, room);
  93                                                 strcat(wptr->roomname, buf);
  94                                         }
  95                                         if (strcasecmp(host, wptr->hostname)) {
  96                                                 sprintf(buf, "%cBR%c%s",
  97                                                         LB, RB, host);
  98                                                 strcat(wptr->hostname, buf);
  99                                         }
 100                                 }
 101                         }
 102
 103                         if (foundit == 0) {
 104                                 wptr = (struct whouser *)
 105                                     malloc(sizeof(struct whouser));
 106                                 wptr->next = wlist;
 107                                 wlist = wptr;
 108                                 strcpy(wlist->username, user);
 109                                 strcpy(wlist->roomname, room);
 110                                 strcpy(wlist->hostname, host);
 111                                 wlist->sessionnum = sess;
 112                         }
 113                 }
 114
 115                 while (wlist != NULL) {
 116                         wprintf("<TR>\n\t<TD ALIGN=center><FONT SIZE=-1>%d", wlist->sessionnum);
 117                         if ((WC->is_aide) &&
 118                             (wlist->sessionnum != serv_info.serv_pid)) {
 119                                 wprintf(" <A HREF=\"/terminate_session&which_session=%d&session_owner=", wlist->sessionnum);
 120                                 urlescputs(wlist->username);
 121                                 wprintf("\" onClick=\"return ConfirmKill();\" "
 122                                 ">(kill)</A>");
 123                         }
 124                         if (wlist->sessionnum == serv_info.serv_pid) {
 125                                 wprintf(" <A HREF=\"/edit_me\" "
 126                                         ">(edit)</A>");
 127                         }
 128                         wprintf("</FONT></TD>\n\t<TD><FONT SIZE=-1>");
 129                         /* username */
 130                         escputs(wlist->username);
 131                         /* room */
 132                         wprintf("</FONT></TD>\n\t<TD><FONT SIZE=-1>");
 133                         escputs(wlist->roomname);
 134                         wprintf("</FONT></TD>\n\t<TD><FONT SIZE=-1>");
 135                         /* hostname */
 136                         escputs(wlist->hostname);
 137                         wprintf("</FONT></TD>\n</TR>");
 138                         wptr = wlist->next;
 139                         free(wlist);
 140                         wlist = wptr;
 141                 }
 142         }
 143         wprintf("</TABLE>\n<BR><BR>\n");
 144         wprintf("<TABLE BORDER=0 BGCOLOR=\"#003399\">\n<TR><TD ALIGN=center VALIGN=center CELLPADING=20>\n");
 145         wprintf("<B><A HREF=\"javascript:window.close()\">Close window</A></B>\n");
 146         wprintf("</TD></TR>\n</TABLE></FONT>\n</CENTER>");
 147
 148         wDumpContent(1);
 149 }
 150
 151
 152 void terminate_session(void)
 153 {
 154         char buf[256];
 155
 156         serv_printf("TERM %s", bstr("which_session"));
 157         serv_gets(buf);
 158         whobbs();
 159 }
 160
 161
 162 /*
 163  * Change your session info (fake roomname and hostname)
 164  */
 165 void edit_me(void)
 166 {
 167         char buf[256];
 168
 169         if (!strcasecmp(bstr("sc"), "Change room name")) {
 170                 serv_printf("RCHG %s", bstr("fake_roomname"));
 171                 serv_gets(buf);
 172                 http_redirect("/whobbs");
 173         } else if (!strcasecmp(bstr("sc"), "Change host name")) {
 174                 serv_printf("HCHG %s", bstr("fake_hostname"));
 175                 serv_gets(buf);
 176                 http_redirect("/whobbs");
 177         } else if (!strcasecmp(bstr("sc"), "Change user name")) {
 178                 serv_printf("UCHG %s", bstr("fake_username"));
 179                 serv_gets(buf);
 180                 http_redirect("/whobbs");
 181         } else if (!strcasecmp(bstr("sc"), "Cancel")) {
 182                 http_redirect("/whobbs");
 183         } else {
 184
 185                 output_headers(3);
 186
 187                 wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=000077><TR><TD>");
 188                 wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"><B>");
 189                 wprintf("Edit your session display");
 190                 wprintf("</B></FONT></TD></TR></TABLE>\n");
 191                 wprintf("This screen allows you to change the way your\n");
 192                 wprintf("session appears in the 'Who is online' listing.\n");
 193                 wprintf("To turn off any 'fake' name you've previously\n");
 194                 wprintf("set, simply click the appropriate 'change' button\n");
 195                 wprintf("without typing anything in the corresponding box.\n");
 196                 wprintf("<BR>\n");
 197
 198                 wprintf("<FORM METHOD=\"POST\" ACTION=\"/edit_me\">\n");
 199
 200                 wprintf("<TABLE border=0 width=100%>\n");
 201
 202                 wprintf("<TR><TD><B>Room name:</B></TD>\n<TD>");
 203                 wprintf("<INPUT TYPE=\"text\" NAME=\"fake_roomname\" MAXLENGTH=\"64\">\n");
 204                 wprintf("</TD>\n<TD ALIGN=center>");
 205                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change room name\">");
 206                 wprintf("</TD>\n</TR>\n");
 207
 208                 wprintf("<TR><TD><B>Host name:</B></TD><TD>");
 209                 wprintf("<INPUT TYPE=\"text\" NAME=\"fake_hostname\" MAXLENGTH=\"64\">\n");
 210                 wprintf("</TD>\n<TD ALIGN=center>");
 211                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change host name\">");
 212                 wprintf("</TD>\n</TR>\n");
 213
 214                 if (WC->is_aide) {
 215                         wprintf("<TR><TD><B>User name:</B></TD><TD>");
 216                         wprintf("<INPUT TYPE=\"text\" NAME=\"fake_username\" MAXLENGTH=\"64\">\n");
 217                         wprintf("</TD>\n<TD ALIGN=center>");
 218                         wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change user name\">");
 219                         wprintf("</TD>\n</TR>\n");
 220                 }
 221                 wprintf("<TR><TD>&nbsp;</TD><TD>&nbsp;</TD><TD ALIGN=center>");
 222                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\">");
 223                 wprintf("</TD></TR></TABLE>\n");
 224
 225                 wprintf("</FORM></CENTER>\n");
 226                 wDumpContent(1);
 227         }
 228 }