webcit/auth.c

   1 /*
   2  * auth.c
   3  *
   4  * This file contains code which relates to authentication of users to Citadel.
   5  *
   6  */
   7
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <stdio.h>
  11 #include <ctype.h>
  12 #include <string.h>
  13 #include <errno.h>
  14 #include "webcit.h"
  15
  16
  17
  18 /*
  19  * Display the login screen
  20  */
  21 void display_login() {
  22         char buf[256];
  23
  24         printf("HTTP/1.0 200 OK\n");
  25         output_headers();
  26
  27         wprintf("<HTML><BODY>\n");
  28         wprintf("<CENTER><TABLE border=0><TR><TD>\n");
  29
  30         /* FIX replace with the correct image */
  31         wprintf("<IMG SRC=\"/static/velma.gif\">");
  32         wprintf("</TD><TD><CENTER>\n");
  33
  34         serv_puts("MESG hello");
  35         serv_gets(buf);
  36         if (buf[0]=='1') fmout(NULL);
  37
  38         wprintf("</CENTER></TD></TR></TABLE></CENTER>\n");
  39
  40         wprintf("<HR>\n");
  41         /* FIX add instructions here */
  42         wprintf("<CENTER><FORM ACTION=\"/login\" METHOD=\"POST\">\n");
  43         wprintf("<TABLE border><TR>\n");
  44         wprintf("<TD>User Name:</TD>\n");
  45         wprintf("<TD><INPUT TYPE=\"text\" NAME=\"name\" MAXLENGTH=\"25\">\n");
  46         wprintf("</TD></TR><TR>\n");
  47         wprintf("<TD>Password:</TD>\n");
  48         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"pass\" MAXLENGTH=\"20\"></TD>\n");
  49         wprintf("</TR></TABLE>\n");
  50         wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Login\">\n");
  51         wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"New User\">\n");
  52         wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Exit\">\n");
  53         wprintf("</FORM></CENTER>\n");
  54         wprintf("</BODY></HTML>\n");
  55         wDumpContent();
  56         }
  57
  58
  59
  60
  61 /*
  62  * This function needs to get called whenever a PASS or NEWU succeeds
  63  */
  64 void become_logged_in(char *user, char *pass, char *serv_response) {
  65         logged_in = 1;
  66         extract(wc_username, &serv_response[4], 0);
  67         strcpy(wc_password, pass);
  68         axlevel = extract_int(&serv_response[4], 1);
  69         if (axlevel >=6) is_aide = 1;
  70         }
  71
  72
  73 void do_login() {
  74         char buf[256];
  75         char actual_username[256];
  76
  77         if (!strcasecmp(bstr("action"), "Login")) {
  78                 serv_printf("USER %s", bstr("name"));
  79                 serv_gets(buf);
  80                 if (buf[0]=='3') {
  81                         serv_printf("PASS %s", bstr("pass"));
  82                         serv_gets(buf);
  83                         if (buf[0]=='2') {
  84                                 become_logged_in(bstr("name"),
  85                                         bstr("pass"), buf);
  86                                 }
  87                         }
  88                 }
  89
  90         if (logged_in) {
  91                 output_static("frameset.html");
  92                 }
  93         else {
  94                 printf("HTTP/1.0 200 OK\n");
  95                 output_headers();
  96                 wprintf("<HTML><HEAD><TITLE>Nope</TITLE></HEAD><BODY>\n");
  97                 wprintf("Your password was not accepted.\n");
  98                 wprintf("<HR><A HREF=\"/\">Try again</A>\n");
  99                 wprintf("</BODY></HTML>\n");
 100                 wDumpContent();
 101                 }
 102
 103         }
 104
 105 void do_welcome() {
 106         printf("HTTP/1.0 200 OK\n");
 107         output_headers();
 108         wprintf("<HTML><BODY>\n");
 109         wprintf("<CENTER><H1>");
 110         escputs(wc_username);
 111         wprintf("</H1>\n");
 112         /* other stuff here */
 113         wprintf("</BODY></HTML>\n");
 114         wDumpContent();
 115         }
 116
 117
 118 void do_logout() {
 119         char buf[256];
 120
 121         strcpy(wc_username, "");
 122         strcpy(wc_password, "");
 123         strcpy(wc_roomname, "");
 124         strcpy(wc_host, "");
 125         strcpy(wc_port, "");
 126
 127         printf("HTTP/1.0 200 OK\n");
 128         output_headers();
 129         printf("X-WebCit-Session: close\n");
 130
 131         wprintf("<HTML><HEAD><TITLE>Goodbye</TITLE></HEAD><BODY><CENTER>\n");
 132
 133         serv_puts("MESG goodbye");
 134         serv_gets(buf);
 135
 136         if (buf[0]=='1') fmout(NULL);
 137         else wprintf("Goodbye\n");
 138
 139         wprintf("</CENTER></BODY></HTML>\n");
 140         wDumpContent();
 141         serv_puts("QUIT");
 142         exit(0);
 143         }