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(1);
  53
  54         wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=007700><TR><TD>");
  55         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"<B>Users currently on ");
  56         escputs(serv_info.serv_humannode);
  57         wprintf("</B></FONT></TD></TR></TABLE>\n");
  58
  59         wprintf("<CENTER>\n<TABLE BORDER=1>\n<TR>\n");
  60         wprintf("<TH><FONT FACE=\"Arial,Helvetica,sans-serif\">Session ID</FONT></TH>\n");
  61         wprintf("<TH><FONT FACE=\"Arial,Helvetica,sans-serif\">User Name</FONT></TH>\n");
  62         wprintf("<TH><FONT FACE=\"Arial,Helvetica,sans-serif\">Room</FONT></TH>");
  63         wprintf("<TH><FONT FACE=\"Arial,Helvetica,sans-serif\">From host</FONT></TH>\n</TR>\n");
  64         serv_puts("RWHO");
  65         serv_gets(buf);
  66         if (buf[0] == '1') {
  67                 while (serv_gets(buf), strcmp(buf, "000")) {
  68                         sess = extract_int(buf, 0);
  69                         extract(user, buf, 1);
  70                         extract(room, buf, 2);
  71                         extract(host, buf, 3);
  72
  73                         foundit = 0;
  74                         for (wptr = wlist; wptr != NULL; wptr = wptr->next) {
  75                                 if (wptr->sessionnum == sess) {
  76                                         foundit = 1;
  77                                         if (strcasecmp(user, wptr->username)) {
  78                                                 sprintf(buf, "%cBR%c%s",
  79                                                         LB, RB, user);
  80                                                 strcat(wptr->username, buf);
  81                                         }
  82                                         if (strcasecmp(room, wptr->roomname)) {
  83                                                 sprintf(buf, "%cBR%c%s",
  84                                                         LB, RB, room);
  85                                                 strcat(wptr->roomname, buf);
  86                                         }
  87                                         if (strcasecmp(host, wptr->hostname)) {
  88                                                 sprintf(buf, "%cBR%c%s",
  89                                                         LB, RB, host);
  90                                                 strcat(wptr->hostname, buf);
  91                                         }
  92                                 }
  93                         }
  94
  95                         if (foundit == 0) {
  96                                 wptr = (struct whouser *)
  97                                     malloc(sizeof(struct whouser));
  98                                 wptr->next = wlist;
  99                                 wlist = wptr;
 100                                 strcpy(wlist->username, user);
 101                                 strcpy(wlist->roomname, room);
 102                                 strcpy(wlist->hostname, host);
 103                                 wlist->sessionnum = sess;
 104                         }
 105                 }
 106
 107                 while (wlist != NULL) {
 108                         wprintf("<TR>\n\t<TD ALIGN=center><FONT FACE=\"Arial,Helvetica,sans-serif\">%d", wlist->sessionnum);
 109                         if ((WC->is_aide) &&
 110                             (wlist->sessionnum != serv_info.serv_pid)) {
 111                                 wprintf(" <A HREF=\"/terminate_session&which_session=%d&session_owner=", wlist->sessionnum);
 112                                 urlescputs(wlist->username);
 113                                 wprintf("\">(kill)</A>");
 114                         }
 115                         if (wlist->sessionnum == serv_info.serv_pid) {
 116                                 wprintf(" <A HREF=\"/edit_me\">(edit)</A>");
 117                         }
 118                         /* username */
 119                         wprintf("</FONT></TD>\n\t<TD><FONT FACE=\"Arial,Helvetica,sans-serif\"><A HREF=\"/showuser?who=");
 120                         urlescputs(wlist->username);
 121                         wprintf("\" onMouseOver=\"window.status='View profile for ");
 122                         escputs(wlist->username);
 123                         wprintf("'; return true\">");
 124                         escputs(wlist->username);
 125                         wprintf("</A>");
 126                         /* room */
 127                         wprintf("</FONT></TD>\n\t<TD><FONT FACE=\"Arial,Helvetica,sans-serif\">");
 128                         /* handle chat */
 129                         if (strstr(wlist->roomname, "chat") != NULL) {
 130                                 wprintf("<A HREF=\"/chat\" onMouseOver=\"window.status='Chat'; return true\">&lt;chat&gt;</A>");
 131                         } else {
 132                                 wprintf("<A HREF=\"/dotgoto&room=");
 133                                 urlescputs(wlist->roomname);
 134                                 wprintf("\" onMouseOver=\"window.status='Go to room ");
 135                                 escputs(wlist->roomname);
 136                                 wprintf("'; return true\">");
 137                                 escputs(wlist->roomname);
 138                                 wprintf("</A>");
 139                         }
 140                         wprintf("</FONT></TD><TD><FONT FACE=\"Arial,Helvetica,sans-serif\">");
 141                         /* hostname */
 142                         escputs(wlist->hostname);
 143                         wprintf("</FONT></TD>\n</TR>");
 144                         wptr = wlist->next;
 145                         free(wlist);
 146                         wlist = wptr;
 147                 }
 148         }
 149         wprintf("</TABLE>\n<BR><BR>\n");
 150         wprintf("<TABLE BORDER=0 BGCOLOR=\"#003399\">\n<TR><TD ALIGN=center VALIGN=center CELLPADING=20>\n");
 151         wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\" SIZE=+2><B><A HREF=\"/whobbs\"><FONT COLOR=\"#FF0000\">Refresh</FONT></A></B></FONT>\n");
 152         wprintf("</TD></TR>\n</TABLE>\n</CENTER>");
 153         wDumpContent(1);
 154 }
 155
 156
 157 void terminate_session(void)
 158 {
 159         char buf[256];
 160
 161         if (!strcasecmp(bstr("confirm"), "Yes")) {
 162                 serv_printf("TERM %s", bstr("which_session"));
 163                 serv_gets(buf);
 164                 if (buf[0] == '2') {
 165                         whobbs();
 166                 } else {
 167                         display_error(&buf[4]);
 168                 }
 169         } else {
 170                 output_headers(1);
 171                 wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=770000><TR><TD>");
 172                 wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\" SIZE=+1 COLOR=\"FFFFFF\"<B>Confirm session termination");
 173                 wprintf("</B></FONT></TD></TR></TABLE>\n");
 174
 175                 wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\">Are you sure you want to terminate session %s",
 176                         bstr("which_session"));
 177                 if (strlen(bstr("session_owner")) > 0) {
 178                         wprintf(" (");
 179                         escputs(bstr("session_owner"));
 180                         wprintf(")");
 181                 }
 182                 wprintf("?<BR><BR>\n");
 183
 184                 wprintf("<A HREF=\"/terminate_session&which_session=%s&confirm=yes\">",
 185                         bstr("which_session"));
 186                 wprintf("Yes</A>&nbsp;&nbsp;&nbsp;");
 187                 wprintf("<A HREF=\"/whobbs\">No</A></FONT>");
 188                 wDumpContent(1);
 189         }
 190
 191 }
 192
 193
 194
 195 /*
 196  * Change your session info (fake roomname and hostname)
 197  */
 198 void edit_me(void)
 199 {
 200         char buf[256];
 201
 202         if (!strcasecmp(bstr("sc"), "Change room name")) {
 203                 serv_printf("RCHG %s", bstr("fake_roomname"));
 204                 serv_gets(buf);
 205                 whobbs();
 206         } else if (!strcasecmp(bstr("sc"), "Change host name")) {
 207                 serv_printf("HCHG %s", bstr("fake_hostname"));
 208                 serv_gets(buf);
 209                 whobbs();
 210         } else if (!strcasecmp(bstr("sc"), "Change user name")) {
 211                 serv_printf("UCHG %s", bstr("fake_username"));
 212                 serv_gets(buf);
 213                 whobbs();
 214         } else if (!strcasecmp(bstr("sc"), "Cancel")) {
 215                 whobbs();
 216         } else {
 217
 218                 output_headers(1);
 219
 220                 wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=000077><TR><TD>");
 221                 wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\" SIZE=+1 COLOR=\"FFFFFF\"><B>");
 222                 wprintf("Edit your session display");
 223                 wprintf("</B></FONT></TD></TR></TABLE>\n");
 224                 wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\">");
 225                 wprintf("This screen allows you to change the way your\n");
 226                 wprintf("session appears in the 'Who is online' listing.\n");
 227                 wprintf("To turn off any 'fake' name you've previously\n");
 228                 wprintf("set, simply click the appropriate 'change' button\n");
 229                 wprintf("without typing anything in the corresponding box.\n");
 230                 wprintf("<BR>\n</FONT>\n");
 231
 232                 wprintf("<FORM METHOD=\"POST\" ACTION=\"/edit_me\">\n");
 233
 234                 wprintf("<TABLE border=0 width=100%>\n");
 235
 236                 wprintf("<TR><TD><FONT FACE=\"Arial,Helvetica,sans-serif\"><B>Room name:</B></FONT></TD>\n<TD>");
 237                 wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\"><INPUT TYPE=\"text\" NAME=\"fake_roomname\" MAXLENGTH=\"64\">\n");
 238                 wprintf("</FONT></TD>\n<TD ALIGN=center>");
 239                 wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\"><INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change room name\">");
 240                 wprintf("</FONT></TD>\n</TR>\n");
 241
 242                 wprintf("<TR><TD><FONT FACE=\"Arial,Helvetica,sans-serif\"><B>Host name:</B></FONT></TD><TD>");
 243                 wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\"><INPUT TYPE=\"text\" NAME=\"fake_hostname\" MAXLENGTH=\"64\">\n");
 244                 wprintf("</FONT></TD>\n<TD ALIGN=center>");
 245                 wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\"><INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change host name\">");
 246                 wprintf("</FONT></TD>\n</TR>\n");
 247
 248                 if (WC->is_aide) {
 249                         wprintf("<TR><TD><FONT FACE=\"Arial,Helvetica,sans-serif\"><B>User name:</B></FONT></TD><TD>");
 250                         wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\"><INPUT TYPE=\"text\" NAME=\"fake_username\" MAXLENGTH=\"64\">\n");
 251                         wprintf("</FONT></TD>\n<TD ALIGN=center>");
 252                         wprintf("<FONT FACE=\"Arial,Helvetica,sans-serif\"><INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change user name\">");
 253                         wprintf("</FONT></TD>\n</TR>\n");
 254                 }
 255                 wprintf("<TR><TD>&nbsp;</TD><TD>&nbsp;</TD><TD ALIGN=center>");
 256                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\">");
 257                 wprintf("</TD></TR></TABLE>\n");
 258
 259                 wprintf("</FORM></CENTER>\n");
 260                 wDumpContent(1);
 261         }
 262 }