src/src/auths/call_pwcheck.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2009 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* This module contains interface functions to the two Cyrus authentication
   9 daemons. The original one was "pwcheck", which gives its name to the source
  10 file. This is now deprecated in favour of "saslauthd". */
  11
  12
  13 #include "../exim.h"
  14 #include "pwcheck.h"
  15
  16
  17 /*************************************************
  18 *      External entry point for pwcheck          *
  19 *************************************************/
  20
  21 /* This function calls the now-deprecated "pwcheck" Cyrus-SASL authentication
  22 daemon, passing over a colon-separated user name and password. As this is
  23 called from the string expander, the string will always be in dynamic store and
  24 can be overwritten.
  25
  26 Arguments:
  27   s        a colon-separated username:password string
  28   errptr   where to point an error message
  29
  30 Returns:   OK if authentication succeeded
  31            FAIL if authentication failed
  32            ERROR some other error condition
  33 */
  34
  35 int
  36 auth_call_pwcheck(uschar *s, uschar **errptr)
  37 {
  38 uschar *reply = NULL;
  39 uschar *pw = Ustrrchr(s, ':');
  40
  41 if (pw == NULL)
  42   {
  43   *errptr = US"pwcheck: malformed input - missing colon";
  44   return ERROR;
  45   }
  46
  47 *pw++ = 0;   /* Separate user and password */
  48
  49 DEBUG(D_auth)
  50   debug_printf("Running pwcheck authentication for user \"%s\"\n", s);
  51
  52 switch (pwcheck_verify_password(CS s, CS pw, (const char **)(&reply)))
  53   {
  54   case PWCHECK_OK:
  55   DEBUG(D_auth) debug_printf("pwcheck: success (%s)\n", reply);
  56   return OK;
  57
  58   case PWCHECK_NO:
  59   DEBUG(D_auth) debug_printf("pwcheck: access denied (%s)\n", reply);
  60   return FAIL;
  61
  62   default:
  63   DEBUG(D_auth) debug_printf("pwcheck: query failed (%s)\n", reply);
  64   *errptr = reply;
  65   return ERROR;
  66   }
  67 }
  68
  69
  70 /*************************************************
  71 *       External entry point for pwauthd         *
  72 *************************************************/
  73
  74 /* This function calls the "saslauthd" Cyrus-SASL authentication daemon,
  75 saslauthd, As this is called from the string expander, all the strings will
  76 always be in dynamic store and can be overwritten.
  77
  78 Arguments:
  79   username        username
  80   password        password
  81   service         optional service
  82   realm           optional realm
  83   errptr          where to point an error message
  84
  85 Returns:   OK if authentication succeeded
  86            FAIL if authentication failed
  87            ERROR some other error condition
  88 */
  89
  90 int
  91 auth_call_saslauthd(uschar *username, uschar *password, uschar *service,
  92   uschar *realm, uschar **errptr)
  93 {
  94 uschar *reply = NULL;
  95
  96 if (service == NULL) service = US"";
  97 if (realm == NULL) realm = US"";
  98
  99 DEBUG(D_auth)
 100   debug_printf("Running saslauthd authentication for user \"%s\" \n", username);
 101
 102 switch (saslauthd_verify_password(username, password, service,
 103         realm, (const uschar **)(&reply)))
 104   {
 105   case PWCHECK_OK:
 106   DEBUG(D_auth) debug_printf("saslauthd: success (%s)\n", reply);
 107   return OK;
 108
 109   case PWCHECK_NO:
 110   DEBUG(D_auth) debug_printf("saslauthd: access denied (%s)\n", reply);
 111   return FAIL;
 112
 113   default:
 114   DEBUG(D_auth) debug_printf("saslauthd: query failed (%s)\n", reply);
 115   *errptr = reply;
 116   return ERROR;
 117   }
 118 }
 119
 120 /* End of call_pwcheck.c */