webcit/who.c

   1 /* $Id$ */
   2
   3
   4 #include <ctype.h>
   5 #include <stdlib.h>
   6 #include <unistd.h>
   7 #include <stdio.h>
   8 #include <fcntl.h>
   9 #include <signal.h>
  10 #include <sys/types.h>
  11 #include <sys/wait.h>
  12 #include <sys/socket.h>
  13 #include <sys/time.h>
  14 #include <limits.h>
  15 #include <netinet/in.h>
  16 #include <netdb.h>
  17 #include <string.h>
  18 #include <pwd.h>
  19 #include <errno.h>
  20 #include <stdarg.h>
  21 #include <pthread.h>
  22 #include <signal.h>
  23 #include "webcit.h"
  24
  25
  26
  27
  28
  29
  30
  31 struct whouser {
  32         struct whouser *next;
  33         int sessionnum;
  34         char username[256];
  35         char roomname[256];
  36         char hostname[256];
  37         char clientsoftware[256];
  38 };
  39
  40 /*
  41  * who is on?
  42  */
  43 void whobbs(void)
  44 {
  45         struct whouser *wlist = NULL;
  46         struct whouser *wptr = NULL;
  47         char buf[256], sess, user[256], room[256], host[256];
  48         int foundit;
  49
  50         output_headers(7);
  51
  52
  53         wprintf("<SCRIPT LANGUAGE=\"JavaScript\">\n"
  54                 "function ConfirmKill() { \n"
  55                 "return confirm('Do you really want to kill this session?');\n"
  56                 "}\n"
  57                 "</SCRIPT>\n"
  58         );
  59
  60         wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=007700><TR><TD>");
  61         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"<B>Users currently on ");
  62         escputs(serv_info.serv_humannode);
  63         wprintf("</B></FONT></TD></TR></TABLE>\n");
  64
  65         wprintf("<CENTER>\n"
  66                 "Click on a name to read user info.  Click on "
  67                 "<IMG SRC=\"/static/page.gif\" ALT=\"(p)\" BORDER=0> to send "
  68                 "a page (instant message) to that user.<BR>"
  69                 "<TABLE BORDER=1 WIDTH=100%%>\n<TR>\n");
  70         wprintf("<TH>Session ID</TH>\n");
  71         wprintf("<TH>User Name</TH>\n");
  72         wprintf("<TH>Room</TH>");
  73         wprintf("<TH>From host</TH>\n</TR>\n");
  74         serv_puts("RWHO");
  75         serv_gets(buf);
  76         if (buf[0] == '1') {
  77                 while (serv_gets(buf), strcmp(buf, "000")) {
  78                         sess = extract_int(buf, 0);
  79                         extract(user, buf, 1);
  80                         extract(room, buf, 2);
  81                         extract(host, buf, 3);
  82
  83                         foundit = 0;
  84                         for (wptr = wlist; wptr != NULL; wptr = wptr->next) {
  85                                 if (wptr->sessionnum == sess) {
  86                                         foundit = 1;
  87                                         if (strcasecmp(user, wptr->username)) {
  88                                                 sprintf(buf, "%cBR%c%s",
  89                                                         LB, RB, user);
  90                                                 strcat(wptr->username, buf);
  91                                         }
  92                                         if (strcasecmp(room, wptr->roomname)) {
  93                                                 sprintf(buf, "%cBR%c%s",
  94                                                         LB, RB, room);
  95                                                 strcat(wptr->roomname, buf);
  96                                         }
  97                                         if (strcasecmp(host, wptr->hostname)) {
  98                                                 sprintf(buf, "%cBR%c%s",
  99                                                         LB, RB, host);
 100                                                 strcat(wptr->hostname, buf);
 101                                         }
 102                                 }
 103                         }
 104
 105                         if (foundit == 0) {
 106                                 wptr = (struct whouser *)
 107                                     malloc(sizeof(struct whouser));
 108                                 wptr->next = wlist;
 109                                 wlist = wptr;
 110                                 strcpy(wlist->username, user);
 111                                 strcpy(wlist->roomname, room);
 112                                 strcpy(wlist->hostname, host);
 113                                 wlist->sessionnum = sess;
 114                         }
 115                 }
 116
 117                 while (wlist != NULL) {
 118                         wprintf("<TR>\n\t<TD ALIGN=center>%d", wlist->sessionnum);
 119                         if ((WC->is_aide) &&
 120                             (wlist->sessionnum != serv_info.serv_pid)) {
 121                                 wprintf(" <A HREF=\"/terminate_session&which_session=%d&session_owner=", wlist->sessionnum);
 122                                 urlescputs(wlist->username);
 123                                 wprintf("\" onClick=\"return ConfirmKill();\" "
 124                                 ">(kill)</A>");
 125                         }
 126                         if (wlist->sessionnum == serv_info.serv_pid) {
 127                                 wprintf(" <A HREF=\"/edit_me\" "
 128                                         ">(edit)</A>");
 129                         }
 130                         wprintf("</TD>\n\t<TD>");
 131
 132
 133                         /* username (link to user bio/photo page) */
 134                         wprintf("<A HREF=\"/showuser&who=");
 135                         urlescputs(wlist->username);
 136                         wprintf("\">");
 137                         escputs(wlist->username);
 138                         wprintf("</A>");
 139
 140                         /* (link to page this user) */
 141                         wprintf("<DIV ALIGN=RIGHT>"
 142                                 "<A HREF=\"/whobbs\" "
 143                                 " onClick=\"return window.open('/display_page&recp=");
 144                         urlescputs(wlist->username);
 145                         wprintf("', 'CitaPageWin', 'toolbar=no,location=no,copyhistory=no,status=no,scrollbars=yes,resizable=no,height=400,width=400');\">"
 146                                 "<IMG SRC=\"/static/page.gif\" ALT=\"(p)\""
 147                                 " BORDER=0></A></DIV>");
 148
 149                         /* room */
 150                         wprintf("</TD>\n\t<TD>");
 151                         escputs(wlist->roomname);
 152                         wprintf("</TD>\n\t<TD>");
 153                         /* hostname */
 154                         escputs(wlist->hostname);
 155                         wprintf("</TD>\n</TR>");
 156                         wptr = wlist->next;
 157                         free(wlist);
 158                         wlist = wptr;
 159                 }
 160         }
 161         wprintf("</TABLE></CENTER>\n");
 162         wDumpContent(1);
 163 }
 164
 165
 166 void terminate_session(void)
 167 {
 168         char buf[256];
 169
 170         serv_printf("TERM %s", bstr("which_session"));
 171         serv_gets(buf);
 172         whobbs();
 173 }
 174
 175
 176 /*
 177  * Change your session info (fake roomname and hostname)
 178  */
 179 void edit_me(void)
 180 {
 181         char buf[256];
 182
 183         if (!strcasecmp(bstr("sc"), "Change room name")) {
 184                 serv_printf("RCHG %s", bstr("fake_roomname"));
 185                 serv_gets(buf);
 186                 http_redirect("/whobbs");
 187         } else if (!strcasecmp(bstr("sc"), "Change host name")) {
 188                 serv_printf("HCHG %s", bstr("fake_hostname"));
 189                 serv_gets(buf);
 190                 http_redirect("/whobbs");
 191         } else if (!strcasecmp(bstr("sc"), "Change user name")) {
 192                 serv_printf("UCHG %s", bstr("fake_username"));
 193                 serv_gets(buf);
 194                 http_redirect("/whobbs");
 195         } else if (!strcasecmp(bstr("sc"), "Cancel")) {
 196                 http_redirect("/whobbs");
 197         } else {
 198
 199                 output_headers(3);
 200
 201                 wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=000077><TR><TD>");
 202                 wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"><B>");
 203                 wprintf("Edit your session display");
 204                 wprintf("</B></FONT></TD></TR></TABLE>\n");
 205                 wprintf("This screen allows you to change the way your\n");
 206                 wprintf("session appears in the 'Who is online' listing.\n");
 207                 wprintf("To turn off any 'fake' name you've previously\n");
 208                 wprintf("set, simply click the appropriate 'change' button\n");
 209                 wprintf("without typing anything in the corresponding box.\n");
 210                 wprintf("<BR>\n");
 211
 212                 wprintf("<FORM METHOD=\"POST\" ACTION=\"/edit_me\">\n");
 213
 214                 wprintf("<TABLE border=0 width=100%%>\n");
 215
 216                 wprintf("<TR><TD><B>Room name:</B></TD>\n<TD>");
 217                 wprintf("<INPUT TYPE=\"text\" NAME=\"fake_roomname\" MAXLENGTH=\"64\">\n");
 218                 wprintf("</TD>\n<TD ALIGN=center>");
 219                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change room name\">");
 220                 wprintf("</TD>\n</TR>\n");
 221
 222                 wprintf("<TR><TD><B>Host name:</B></TD><TD>");
 223                 wprintf("<INPUT TYPE=\"text\" NAME=\"fake_hostname\" MAXLENGTH=\"64\">\n");
 224                 wprintf("</TD>\n<TD ALIGN=center>");
 225                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change host name\">");
 226                 wprintf("</TD>\n</TR>\n");
 227
 228                 if (WC->is_aide) {
 229                         wprintf("<TR><TD><B>User name:</B></TD><TD>");
 230                         wprintf("<INPUT TYPE=\"text\" NAME=\"fake_username\" MAXLENGTH=\"64\">\n");
 231                         wprintf("</TD>\n<TD ALIGN=center>");
 232                         wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change user name\">");
 233                         wprintf("</TD>\n</TR>\n");
 234                 }
 235                 wprintf("<TR><TD>&nbsp;</TD><TD>&nbsp;</TD><TD ALIGN=center>");
 236                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\">");
 237                 wprintf("</TD></TR></TABLE>\n");
 238
 239                 wprintf("</FORM></CENTER>\n");
 240                 wDumpContent(1);
 241         }
 242 }