webcit/who.c

   1 /* $Id$ */
   2
   3 #include <ctype.h>
   4 #include <stdlib.h>
   5 #include <unistd.h>
   6 #include <stdio.h>
   7 #include <fcntl.h>
   8 #include <signal.h>
   9 #include <sys/types.h>
  10 #include <sys/wait.h>
  11 #include <sys/socket.h>
  12 #include <sys/time.h>
  13 #include <limits.h>
  14 #include <netinet/in.h>
  15 #include <netdb.h>
  16 #include <string.h>
  17 #include <pwd.h>
  18 #include <errno.h>
  19 #include <stdarg.h>
  20 #include <pthread.h>
  21 #include <signal.h>
  22 #include "webcit.h"
  23
  24
  25
  26
  27
  28
  29 /*
  30  * who is on?
  31  */
  32 void whobbs(void)
  33 {
  34         char buf[SIZ], sess, user[SIZ], room[SIZ], host[SIZ],
  35                 realroom[SIZ], realhost[SIZ];
  36         time_t last_activity;
  37         time_t now;
  38
  39         output_headers(7);
  40
  41         wprintf("<SCRIPT LANGUAGE=\"JavaScript\">\n"
  42                 "function ConfirmKill() { \n"
  43                 "return confirm('Do you really want to kill this session?');\n"
  44                 "}\n"
  45                 "</SCRIPT>\n"
  46         );
  47
  48         wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=007700><TR><TD>");
  49         wprintf("<IMG SRC=\"/static/users-icon.gif\" ALT=\" \" ALIGN=MIDDLE>");
  50         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\">&nbsp;&nbsp;<B>Users currently on ");
  51         escputs(serv_info.serv_humannode);
  52         wprintf("</B></FONT></TD><TD>");
  53         offer_start_page();
  54         wprintf("</TD></TR></TABLE>\n");
  55
  56         wprintf("<CENTER><TABLE BORDER=1 WIDTH=100%%>\n<TR>\n");
  57         wprintf("<TH>Session ID</TH>\n");
  58         wprintf("<TH>User Name</TH>\n");
  59         wprintf("<TH>Room</TH>");
  60         wprintf("<TH>From host</TH>\n</TR>\n");
  61
  62         serv_puts("TIME");
  63         serv_gets(buf);
  64         if (buf[0] == '2') {
  65                 now = extract_long(&buf[4], 0);
  66         }
  67         else {
  68                 now = time(NULL);
  69         }
  70
  71         serv_puts("RWHO");
  72         serv_gets(buf);
  73         if (buf[0] == '1') {
  74                 while (serv_gets(buf), strcmp(buf, "000")) {
  75                         sess = extract_int(buf, 0);
  76                         extract(user, buf, 1);
  77                         extract(room, buf, 2);
  78                         extract(host, buf, 3);
  79                         extract(realroom, buf, 9);
  80                         extract(realhost, buf, 10);
  81                         last_activity = extract_long(buf, 5);
  82
  83                         wprintf("<TR>\n\t<TD ALIGN=center>%d", sess);
  84                         if ((WC->is_aide) &&
  85                             (sess != serv_info.serv_pid)) {
  86                                 wprintf(" <A HREF=\"/terminate_session&which_session=%d&session_owner=", sess);
  87                                 urlescputs(user);
  88                                 wprintf("\" onClick=\"return ConfirmKill();\" "
  89                                 ">(kill)</A>");
  90                         }
  91                         if (sess == serv_info.serv_pid) {
  92                                 wprintf(" <A HREF=\"/edit_me\" "
  93                                         ">(edit)</A>");
  94                         }
  95                         wprintf("</TD>\n\t<TD>");
  96
  97                         /* (link to page this user) */
  98                         wprintf("<A HREF=\"/display_page&recp=");
  99                         urlescputs(user);
 100                         wprintf("\">"
 101                                 "<IMG ALIGN=MIDDLE WIDTH=20 HEIGHT=15 "
 102                                 "SRC=\"/static/page.gif\" "
 103                                 "ALT=\"(p)\""
 104                                 " BORDER=0></A>&nbsp;");
 105
 106
 107                         /* username (link to user bio/photo page) */
 108                         wprintf("<A HREF=\"/showuser&who=");
 109                         urlescputs(user);
 110                         wprintf("\">");
 111                         escputs(user);
 112                         wprintf("</A>");
 113
 114                         if ((now - last_activity) > 900L) {
 115                                 wprintf("&nbsp;"
 116                                         "<IMG ALIGN=MIDDLE "
 117                                         "SRC=\"/static/idle.gif\" "
 118                                         "ALT=\"[idle]\" BORDER=0>");
 119                         }
 120
 121                         /* room */
 122                         wprintf("</TD>\n\t<TD>");
 123                         escputs(room);
 124                         if (strlen(realroom) > 0) {
 125                                 wprintf("<BR><I>");
 126                                 escputs(realroom);
 127                                 wprintf("</I>");
 128                         }
 129                         wprintf("</TD>\n\t<TD>");
 130
 131                         /* hostname */
 132                         escputs(host);
 133                         if (strlen(realhost) > 0) {
 134                                 wprintf("<BR><I>");
 135                                 escputs(realhost);
 136                                 wprintf("</I>");
 137                         }
 138                         wprintf("</TD>\n</TR>");
 139                 }
 140         }
 141         wprintf("</TABLE>\n"
 142                 "Click on a name to read user info.  Click on "
 143                 "<IMG ALIGN=MIDDLE SRC=\"/static/page.gif\" ALT=\"(p)\" "
 144                 "BORDER=0> to send "
 145                 "a page (instant message) to that user.<BR></CENTER>\n");
 146         wDumpContent(1);
 147 }
 148
 149
 150 void terminate_session(void)
 151 {
 152         char buf[SIZ];
 153
 154         serv_printf("TERM %s", bstr("which_session"));
 155         serv_gets(buf);
 156         whobbs();
 157 }
 158
 159
 160 /*
 161  * Change your session info (fake roomname and hostname)
 162  */
 163 void edit_me(void)
 164 {
 165         char buf[SIZ];
 166
 167         if (!strcasecmp(bstr("sc"), "Change room name")) {
 168                 serv_printf("RCHG %s", bstr("fake_roomname"));
 169                 serv_gets(buf);
 170                 http_redirect("/whobbs");
 171         } else if (!strcasecmp(bstr("sc"), "Change host name")) {
 172                 serv_printf("HCHG %s", bstr("fake_hostname"));
 173                 serv_gets(buf);
 174                 http_redirect("/whobbs");
 175         } else if (!strcasecmp(bstr("sc"), "Change user name")) {
 176                 serv_printf("UCHG %s", bstr("fake_username"));
 177                 serv_gets(buf);
 178                 http_redirect("/whobbs");
 179         } else if (!strcasecmp(bstr("sc"), "Cancel")) {
 180                 http_redirect("/whobbs");
 181         } else {
 182
 183                 output_headers(3);
 184
 185                 wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=000077><TR><TD>");
 186                 wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"><B>");
 187                 wprintf("Edit your session display");
 188                 wprintf("</B></FONT></TD></TR></TABLE>\n");
 189                 wprintf("This screen allows you to change the way your\n");
 190                 wprintf("session appears in the 'Who is online' listing.\n");
 191                 wprintf("To turn off any 'fake' name you've previously\n");
 192                 wprintf("set, simply click the appropriate 'change' button\n");
 193                 wprintf("without typing anything in the corresponding box.\n");
 194                 wprintf("<BR>\n");
 195
 196                 wprintf("<FORM METHOD=\"POST\" ACTION=\"/edit_me\">\n");
 197
 198                 wprintf("<TABLE border=0 width=100%%>\n");
 199
 200                 wprintf("<TR><TD><B>Room name:</B></TD>\n<TD>");
 201                 wprintf("<INPUT TYPE=\"text\" NAME=\"fake_roomname\" MAXLENGTH=\"64\">\n");
 202                 wprintf("</TD>\n<TD ALIGN=center>");
 203                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change room name\">");
 204                 wprintf("</TD>\n</TR>\n");
 205
 206                 wprintf("<TR><TD><B>Host name:</B></TD><TD>");
 207                 wprintf("<INPUT TYPE=\"text\" NAME=\"fake_hostname\" MAXLENGTH=\"64\">\n");
 208                 wprintf("</TD>\n<TD ALIGN=center>");
 209                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change host name\">");
 210                 wprintf("</TD>\n</TR>\n");
 211
 212                 if (WC->is_aide) {
 213                         wprintf("<TR><TD><B>User name:</B></TD><TD>");
 214                         wprintf("<INPUT TYPE=\"text\" NAME=\"fake_username\" MAXLENGTH=\"64\">\n");
 215                         wprintf("</TD>\n<TD ALIGN=center>");
 216                         wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change user name\">");
 217                         wprintf("</TD>\n</TR>\n");
 218                 }
 219                 wprintf("<TR><TD>&nbsp;</TD><TD>&nbsp;</TD><TD ALIGN=center>");
 220                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\">");
 221                 wprintf("</TD></TR></TABLE>\n");
 222
 223                 wprintf("</FORM></CENTER>\n");
 224                 wDumpContent(1);
 225         }
 226 }