citadel/whobbs.c

   1 /* $Id$ */
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4 #include <stdio.h>
   5 #include <string.h>
   6 #include "citadel.h"
   7 #include "ipc.h"
   8 #include "tools.h"
   9
  10 void logoff(int code)
  11 {
  12         exit(code);
  13         }
  14
  15 void escapize(char buf[]) {
  16         char hold[512];
  17         int i;
  18
  19         strcpy(hold, buf);
  20         strcpy(buf, "");
  21
  22         for (i=0; i<strlen(hold); ++i) {
  23                 if (hold[i]=='<')
  24                         sprintf(&buf[strlen(buf)], "&lt;");
  25                 else if (hold[i]=='>')
  26                         sprintf(&buf[strlen(buf)], "&gt;");
  27                 else if (hold[i]==34)
  28                         sprintf(&buf[strlen(buf)], "&quot;");
  29                 else
  30                         sprintf(&buf[strlen(buf)], "%c", hold[i]);
  31         }
  32 }
  33
  34
  35
  36
  37 int main(int argc, char **argv)
  38 {
  39         char buf[512];
  40         char nodetitle[256];
  41         int a;
  42         int www = 0;
  43         int s_pid = 0;
  44         int my_pid = 0;
  45         char s_user[256];
  46         char s_room[256];
  47         char s_host[256];
  48         char s_client[256];
  49
  50         /* If this environment variable is set, we assume that the program
  51          * is being called as a cgi-bin from a webserver and will output
  52          * everything as HTML.
  53          */
  54         if (getenv("REQUEST_METHOD") != NULL) www = 1;
  55
  56         attach_to_server(argc,argv);
  57         serv_gets(buf);
  58         if ((buf[0]!='2')&&(strncmp(buf,"551",3))) {
  59                 fprintf(stderr,"%s: %s\n",argv[0],&buf[4]);
  60                 logoff(atoi(buf));
  61                 }
  62         strcpy(nodetitle, "this BBS");
  63         serv_puts("INFO");
  64         serv_gets(buf);
  65         if (buf[0]=='1') {
  66                 a = 0;
  67                 while (serv_gets(buf), strcmp(buf,"000")) {
  68                         if (a==0) my_pid = atoi(buf);
  69                         if (a==2) strcpy(nodetitle, buf);
  70                         ++a;
  71                         }
  72                 }
  73
  74         if (www) {
  75                 printf( "Content-type: text/html\n"
  76                         "\n"
  77                         "<HTML><HEAD>"
  78                         "<META HTTP-EQUIV=\"Refresh\" CONTENT=\"60\">\n"
  79                         "<TITLE>");
  80                 printf("%s: who is online", nodetitle);
  81                 printf( "</TITLE></HEAD><BODY><H1>");
  82         } else {
  83                 printf("            ");
  84         }
  85
  86         if (www) {
  87                 printf("<CENTER><H1>");
  88         }
  89
  90         printf("Users currently logged on to %s\n", nodetitle);
  91
  92         if (www) {
  93                 printf("</H1>\n");
  94         }
  95
  96         serv_puts("RWHO");
  97         serv_gets(buf);
  98         if (buf[0]!='1') {
  99                 fprintf(stderr,"%s: %s\n",argv[0],&buf[4]);
 100                 logoff(atoi(buf));
 101         }
 102
 103         if (www) {
 104                 printf( "<TABLE BORDER=1 WIDTH=100%%>"
 105                         "<TR><TH>Session</TH><TH>User name</TH>"
 106                         "<TH>Room</TH><TH>From host</TH>"
 107                         "<TH>Client software</TH></TR>\n");
 108         } else {
 109
 110                 printf( "Session         User name               "
 111                         "Room                  From host\n");
 112                 printf( "------- ------------------------- "
 113                         "-------------------- ------------------------\n");
 114         }
 115
 116
 117         while (serv_gets(buf), strcmp(buf,"000")) {
 118
 119                 /* Escape some stuff if we're using www mode */
 120                 if (www) escapize(buf);
 121
 122                 s_pid = extract_int(buf,0);
 123                 extract(s_user,buf,1);
 124                 extract(s_room,buf,2);
 125                 extract(s_host,buf,3);
 126                 extract(s_client,buf,4);
 127                 if (s_pid != my_pid) {
 128
 129                         if (www) printf("<TR><TD>");
 130                         printf("%-7d", s_pid);
 131                         printf("%c",
 132                                 ((s_pid == my_pid) ? '*' : ' '));
 133                         if (www) printf("</TD><TD>");
 134                         printf("%-25s", s_user);
 135                         if (www) printf("</TD><TD>");
 136                         printf("%-20s ", s_room);
 137                         if (www) printf("</TD><TD>");
 138                         printf("%-24s\n", s_host);
 139                         if (www) printf("</TD><TD>%s</TD></TR>\n", s_client);
 140                         }
 141                 }
 142
 143         if (www) printf("</TABLE></CENTER>\n"
 144                         "<FONT SIZE=-1>"
 145                         "(This display will automatically refresh "
 146                         "once per minute)</FONT>\n"
 147                         "</BODY></HTML>\n");
 148
 149         serv_puts("QUIT");
 150         serv_gets(buf);
 151         return 0;
 152         }
 153
 154
 155 #ifndef HAVE_STRERROR
 156 /*
 157  * replacement strerror() for systems that don't have it
 158  */
 159 char *strerror(int e)
 160 {
 161         static char buf[32];
 162
 163         sprintf(buf,"errno = %d",e);
 164         return(buf);
 165         }
 166 #endif