webcit/who.c

   1 /*
   2  * $Id$
   3  *
   4  * Display a list of all users currently logged on to the Citadel server.
   5  */
   6
   7 #include <ctype.h>
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <stdio.h>
  11 #include <fcntl.h>
  12 #include <signal.h>
  13 #include <sys/types.h>
  14 #include <sys/wait.h>
  15 #include <sys/socket.h>
  16 #include <sys/time.h>
  17 #include <limits.h>
  18 #include <netinet/in.h>
  19 #include <netdb.h>
  20 #include <string.h>
  21 #include <pwd.h>
  22 #include <errno.h>
  23 #include <stdarg.h>
  24 #include <pthread.h>
  25 #include <signal.h>
  26 #include "webcit.h"
  27
  28
  29
  30
  31
  32
  33 /*
  34  * who is on?
  35  */
  36 void whobbs(void)
  37 {
  38         char buf[SIZ], sess, user[SIZ], room[SIZ], host[SIZ],
  39                 realroom[SIZ], realhost[SIZ];
  40         time_t last_activity;
  41         time_t now;
  42         int bg = 0;
  43
  44         output_headers(1, 1, 2, 0, 1, 0, 0);
  45
  46         wprintf("<script type=\"text/javascript\">\n"
  47                 "function ConfirmKill() { \n"
  48                 "return confirm('Do you really want to kill this session?');\n"
  49                 "}\n"
  50                 "</script>\n"
  51         );
  52
  53         wprintf("<div id=\"banner\">\n");
  54         wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>");
  55         wprintf("<IMG SRC=\"/static/users-icon.gif\" ALT=\" \" ALIGN=MIDDLE>");
  56         wprintf("<SPAN CLASS=\"titlebar\">&nbsp;Users currently on ");
  57         escputs(serv_info.serv_humannode);
  58         wprintf("</SPAN></TD><TD ALIGN=RIGHT>");
  59         offer_start_page();
  60         wprintf("</TD></TR></TABLE>\n");
  61         wprintf("</div>\n"
  62                 "<div id=\"content\">\n");
  63
  64         wprintf("<center>"
  65                 "<table border=0 cellspacing=0 width=99%% bgcolor=\"#FFFFFF\">"
  66                 "<tr>\n");
  67         wprintf("<TH COLSPAN=4>Session ID</TH>\n");
  68         wprintf("<TH>User Name</TH>\n");
  69         wprintf("<TH>Room</TH>");
  70         wprintf("<TH>From host</TH>\n</TR>\n");
  71
  72         serv_puts("TIME");
  73         serv_gets(buf);
  74         if (buf[0] == '2') {
  75                 now = extract_long(&buf[4], 0);
  76         }
  77         else {
  78                 now = time(NULL);
  79         }
  80
  81         serv_puts("RWHO");
  82         serv_gets(buf);
  83         if (buf[0] == '1') {
  84                 while (serv_gets(buf), strcmp(buf, "000")) {
  85                         sess = extract_int(buf, 0);
  86                         extract(user, buf, 1);
  87                         extract(room, buf, 2);
  88                         extract(host, buf, 3);
  89                         extract(realroom, buf, 9);
  90                         extract(realhost, buf, 10);
  91                         last_activity = extract_long(buf, 5);
  92
  93                         bg = 1 - bg;
  94                         wprintf("<TR BGCOLOR=\"#%s\">",
  95                                 (bg ? "DDDDDD" : "FFFFFF")
  96                         );
  97
  98
  99                         wprintf("<TD>%d</TD><TD>", sess);
 100                         if ((WC->is_aide) &&
 101                             (sess != WC->ctdl_pid)) {
 102                                 wprintf(" <A HREF=\"/terminate_session&which_session=%d&session_owner=", sess);
 103                                 urlescputs(user);
 104                                 wprintf("\" onClick=\"return ConfirmKill();\" "
 105                                 ">(kill)</A>");
 106                         }
 107                         if (sess == WC->ctdl_pid) {
 108                                 wprintf(" <A HREF=\"/edit_me\" "
 109                                         ">(edit)</A>");
 110                         }
 111                         wprintf("</TD>");
 112
 113                         /* (link to page this user) */
 114                         wprintf("<TD><A HREF=\"/display_page&recp=");
 115                         urlescputs(user);
 116                         wprintf("\">"
 117                                 "<IMG ALIGN=MIDDLE WIDTH=20 HEIGHT=15 "
 118                                 "SRC=\"/static/page.gif\" "
 119                                 "ALT=\"(p)\""
 120                                 " BORDER=0></A>&nbsp;");
 121                         wprintf("</TD>");
 122
 123                         /* (idle flag) */
 124                         wprintf("<TD>");
 125                         if ((now - last_activity) > 900L) {
 126                                 wprintf("&nbsp;"
 127                                         "<IMG ALIGN=MIDDLE "
 128                                         "SRC=\"/static/idle.gif\" "
 129                                         "ALT=\"[idle]\" BORDER=0>");
 130                         }
 131                         wprintf("</TD>\n\t<TD>");
 132
 133
 134
 135                         /* username (link to user bio/photo page) */
 136                         wprintf("<A HREF=\"/showuser&who=");
 137                         urlescputs(user);
 138                         wprintf("\">");
 139                         escputs(user);
 140                         wprintf("</A>");
 141
 142                         /* room */
 143                         wprintf("</TD>\n\t<TD>");
 144                         escputs(room);
 145                         if (strlen(realroom) > 0) {
 146                                 wprintf("<br /><I>");
 147                                 escputs(realroom);
 148                                 wprintf("</I>");
 149                         }
 150                         wprintf("</TD>\n\t<TD>");
 151
 152                         /* hostname */
 153                         escputs(host);
 154                         if (strlen(realhost) > 0) {
 155                                 wprintf("<br /><I>");
 156                                 escputs(realhost);
 157                                 wprintf("</I>");
 158                         }
 159                         wprintf("</TD>\n</TR>");
 160                 }
 161         }
 162         wprintf("</TABLE>\n"
 163                 "Click on a name to read user info.  Click on "
 164                 "<IMG ALIGN=MIDDLE SRC=\"/static/page.gif\" ALT=\"(p)\" "
 165                 "BORDER=0> to send "
 166                 "a page (instant message) to that user.<br /></CENTER>\n");
 167         wDumpContent(1);
 168 }
 169
 170
 171 void terminate_session(void)
 172 {
 173         char buf[SIZ];
 174
 175         serv_printf("TERM %s", bstr("which_session"));
 176         serv_gets(buf);
 177         whobbs();
 178 }
 179
 180
 181 /*
 182  * Change your session info (fake roomname and hostname)
 183  */
 184 void edit_me(void)
 185 {
 186         char buf[SIZ];
 187
 188         if (!strcasecmp(bstr("sc"), "Change room name")) {
 189                 serv_printf("RCHG %s", bstr("fake_roomname"));
 190                 serv_gets(buf);
 191                 http_redirect("/whobbs");
 192         } else if (!strcasecmp(bstr("sc"), "Change host name")) {
 193                 serv_printf("HCHG %s", bstr("fake_hostname"));
 194                 serv_gets(buf);
 195                 http_redirect("/whobbs");
 196         } else if (!strcasecmp(bstr("sc"), "Change user name")) {
 197                 serv_printf("UCHG %s", bstr("fake_username"));
 198                 serv_gets(buf);
 199                 http_redirect("/whobbs");
 200         } else if (!strcasecmp(bstr("sc"), "Cancel")) {
 201                 http_redirect("/whobbs");
 202         } else {
 203
 204                 output_headers(1, 1, 0, 0, 0, 0, 0);
 205
 206                 wprintf("<div id=\"banner\">\n");
 207                 wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>");
 208                 wprintf("<SPAN CLASS=\"titlebar\">");
 209                 wprintf("Edit your session display");
 210                 wprintf("</SPAN></TD></TR></TABLE>\n");
 211                 wprintf("</div>\n<div id=\"content\">\n");
 212
 213                 wprintf("This screen allows you to change the way your\n");
 214                 wprintf("session appears in the 'Who is online' listing.\n");
 215                 wprintf("To turn off any 'fake' name you've previously\n");
 216                 wprintf("set, simply click the appropriate 'change' button\n");
 217                 wprintf("without typing anything in the corresponding box.\n");
 218                 wprintf("<br />\n");
 219
 220                 wprintf("<FORM METHOD=\"POST\" ACTION=\"/edit_me\">\n");
 221
 222                 wprintf("<TABLE border=0 width=100%%>\n");
 223
 224                 wprintf("<TR><TD><B>Room name:</B></TD>\n<TD>");
 225                 wprintf("<INPUT TYPE=\"text\" NAME=\"fake_roomname\" MAXLENGTH=\"64\">\n");
 226                 wprintf("</TD>\n<TD ALIGN=center>");
 227                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change room name\">");
 228                 wprintf("</TD>\n</TR>\n");
 229
 230                 wprintf("<TR><TD><B>Host name:</B></TD><TD>");
 231                 wprintf("<INPUT TYPE=\"text\" NAME=\"fake_hostname\" MAXLENGTH=\"64\">\n");
 232                 wprintf("</TD>\n<TD ALIGN=center>");
 233                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change host name\">");
 234                 wprintf("</TD>\n</TR>\n");
 235
 236                 if (WC->is_aide) {
 237                         wprintf("<TR><TD><B>User name:</B></TD><TD>");
 238                         wprintf("<INPUT TYPE=\"text\" NAME=\"fake_username\" MAXLENGTH=\"64\">\n");
 239                         wprintf("</TD>\n<TD ALIGN=center>");
 240                         wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change user name\">");
 241                         wprintf("</TD>\n</TR>\n");
 242                 }
 243                 wprintf("<TR><TD>&nbsp;</TD><TD>&nbsp;</TD><TD ALIGN=center>");
 244                 wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\">");
 245                 wprintf("</TD></TR></TABLE>\n");
 246
 247                 wprintf("</FORM></CENTER>\n");
 248                 wDumpContent(1);
 249         }
 250 }