preauthpwd.c

   1 /*
   2 ** Copyright 1998 - 1999 Double Precision, Inc.  See COPYING for
   3 ** distribution information.
   4 */
   5
   6 #if     HAVE_CONFIG_H
   7 #include        "courier_auth_config.h"
   8 #endif
   9 #include        <stdio.h>
  10 #include        <stdlib.h>
  11 #include        <string.h>
  12 #include        <errno.h>
  13 #include        <pwd.h>
  14 #if     HAVE_UNISTD_H
  15 #include        <unistd.h>
  16 #endif
  17
  18 #include        "auth.h"
  19 #include        "courierauthdebug.h"
  20
  21 static const char rcsid[]="$Id: preauthpwd.c,v 1.8 2004/10/21 00:10:49 mrsam Exp $";
  22
  23 int auth_pwd_pre(const char *userid, const char *service,
  24                  int (*callback)(struct authinfo *, void *),
  25                  void *arg)
  26 {
  27 struct authinfo auth;
  28 struct passwd *pw;
  29
  30         memset(&auth, 0, sizeof(auth));
  31
  32         if ((pw=getpwnam(userid)) == 0)
  33         {
  34                 if (errno == ENOMEM)    return (1);
  35                 return (-1);
  36         }
  37
  38         auth.sysusername=userid;
  39         auth.sysgroupid=pw->pw_gid;
  40         auth.homedir=pw->pw_dir;
  41         auth.address=userid;
  42         auth.fullname=pw->pw_gecos;
  43         auth.passwd=pw->pw_passwd;
  44
  45         courier_authdebug_authinfo("DEBUG: authpwd: ", &auth, 0, pw->pw_passwd);
  46         return ((*callback)(&auth, arg));
  47 }