authmoduser2.c

   1 /*
   2 ** Copyright 2000-2004 Double Precision, Inc.  See COPYING for
   3 ** distribution information.
   4 */
   5
   6 #include        "auth.h"
   7 #include        "authstaticlist.h"
   8 #include        "courierauthsasl.h"
   9 #include        "authwait.h"
  10 #include        "courierauthdebug.h"
  11 #include        <stdlib.h>
  12 #include        <stdio.h>
  13 #include        <string.h>
  14 #include        <signal.h>
  15 #include        <unistd.h>
  16 #include        <errno.h>
  17 #include        <sys/time.h>
  18 #include        <sys/select.h>
  19 #include        "numlib/numlib.h"
  20 #include        "authchangepwdir.h"
  21
  22 static const char rcsid[]="$Id: authmoduser2.c,v 1.9 2004/11/17 01:16:00 mrsam Exp $";
  23
  24 extern int authdaemondopasswd(char *, int);
  25
  26 static int badstr(const char *p)
  27 {
  28         if (!p) return 1;
  29         while (*p)
  30         {
  31                 if ((int)(unsigned char)*p < ' ')
  32                         return 1;
  33                 ++p;
  34         }
  35         return 0;
  36 }
  37
  38 int auth_passwd(const char *service,
  39                 const char *uid,
  40                 const char *opwd,
  41                 const char *npwd)
  42 {
  43         char *buf;
  44
  45         if (badstr(service) || badstr(uid) || badstr(opwd) || badstr(npwd))
  46         {
  47                 errno=EINVAL;
  48                 return -1;
  49         }
  50
  51         buf=malloc(strlen(service)+strlen(uid)+strlen(opwd)+
  52                          strlen(npwd)+20);
  53
  54         if (!buf)
  55                 return -1;
  56
  57         sprintf(buf, "PASSWD %s\t%s\t%s\t%s\n",
  58                 service, uid, opwd, npwd);
  59
  60         if (authdaemondopasswd(buf, strlen(buf)))
  61         {
  62                 free(buf);
  63                 sleep(5);
  64                 return (-1);
  65         }
  66         free(buf);
  67         return (0);
  68 }