authenticate/vauthenticate.cc
changeset 0 6f7a81934006
child 2 b3afb9f1e801
equal deleted inserted replaced
-1:000000000000 0:6f7a81934006
       
     1 // Copyright (C) 2000 Bruce Guenter <bruceg@em.ca>
       
     2 //
       
     3 // This program is free software; you can redistribute it and/or modify
       
     4 // it under the terms of the GNU General Public License as published by
       
     5 // the Free Software Foundation; either version 2 of the License, or
       
     6 // (at your option) any later version.
       
     7 //
       
     8 // This program is distributed in the hope that it will be useful,
       
     9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
       
    11 // GNU General Public License for more details.
       
    12 //
       
    13 // You should have received a copy of the GNU General Public License
       
    14 // along with this program; if not, write to the Free Software
       
    15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
       
    16 
       
    17 #include <config.h>
       
    18 #include <errno.h>
       
    19 #include <unistd.h>
       
    20 #include "authvlib.h"
       
    21 #include "fdbuf/fdbuf.h"
       
    22 
       
    23 const mystring exec_presetuid = 0;
       
    24 const mystring exec_postsetuid = 0;
       
    25 
       
    26 void fail_login(const char*)
       
    27 {
       
    28   exit(1);
       
    29 }
       
    30 
       
    31 void fail_baddata(const char*)
       
    32 {
       
    33   exit(2);
       
    34 }
       
    35 
       
    36 void fail_temporary(const char*)
       
    37 {
       
    38   exit(111);
       
    39 }
       
    40 
       
    41 static void getdata(mystring& domain, mystring& user, mystring& pass)
       
    42 {
       
    43   char buf[513];
       
    44   unsigned buflen = 0;
       
    45   while(buflen < 512) {
       
    46     int r;
       
    47     do
       
    48       r = read(0, buf+buflen, sizeof(buf) - buflen);
       
    49     while ((r == -1) && (errno == EINTR));
       
    50     if (r == -1) fail_baddata("Read error");
       
    51     if (r == 0) break;
       
    52     buflen += r;
       
    53   }
       
    54   if(buflen >= 512)
       
    55     fail_baddata("Read buffer too long");
       
    56   buf[buflen] = 0;
       
    57 
       
    58   char* ptr = buf;
       
    59   char* end = buf + buflen;
       
    60   
       
    61   domain = ptr;
       
    62   ptr += domain.length()+1;
       
    63   if(ptr >= end)
       
    64     fail_baddata("Missing user name");
       
    65   user = ptr;
       
    66   ptr += user.length()+1;
       
    67   if(ptr >= end)
       
    68     fail_baddata("Missing pass phrase");
       
    69   pass = ptr;
       
    70 }
       
    71 
       
    72 int main()
       
    73 {
       
    74   mystring user;
       
    75   mystring pass;
       
    76   mystring domain;
       
    77   getdata(domain, user, pass);
       
    78   user_data* udata = authenticate(user, pass, domain, true);
       
    79   if(!udata)
       
    80     return 1;
       
    81   fout <<
       
    82     "UID=" << udata->uid << "\n"
       
    83     "GID=" << udata->gid << "\n"
       
    84     "USER=" << udata->name << "\n"
       
    85     "HOME=" << udata->home << "\n"
       
    86     "MAILDIR=" << udata->maildir << "\n"
       
    87     "VUSER=" << udata->vname << "\n";
       
    88 }