helpers/basic_auth/NIS/nis_support.cc

   1 /*
   2  * Copyright (C) 1996-2015 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 /*
  10  * Written By Rabellino Sergio (rabellino@di.unito.it) For Solaris 2.x
  11  */
  12 #include "squid.h"
  13
  14 #include <cstdlib>
  15 #include <cstring>
  16 #if HAVE_SYSLOG_H
  17 #include <syslog.h>
  18 #endif
  19 #if HAVE_SYS_TYPES_H
  20 #include <sys/types.h>
  21 #endif
  22 #if HAVE_RPC_RPC_H
  23 #include <rpc/rpc.h>
  24 #endif
  25
  26 #if _SQUID_FREEBSD_  && !defined(BOOL_DEFINED)
  27 // BUG: FreeBSD rpcsvc/yp_* headers try to redefine bool unless we match their non-standard hack.
  28 #define BOOL_DEFINED
  29 #endif
  30
  31 #if HAVE_RPCSVC_YPCLNT_H
  32 #include <rpcsvc/ypclnt.h>
  33 #endif
  34 #if HAVE_RPCSVC_YP_PROT_H
  35 #include <rpcsvc/yp_prot.h>
  36 #endif
  37
  38 #include "nis_support.h"
  39
  40 #define NO_YPERR 0      /* There is no error */
  41
  42 char *
  43 get_nis_password(char *user, char *nisdomain, char *nismap)
  44 {
  45     static char *val = NULL;
  46     char *password = NULL;
  47     int vallen, res;
  48
  49 #ifdef DEBUG
  50     printf("Domain is set to %s\n", nisdomain);
  51     printf("YP Map is set to %s\n", nismap);
  52 #endif
  53
  54     /* Free last entry */
  55     if (val) {
  56         free(val);
  57         val = NULL;
  58     }
  59
  60     /* Get NIS entry */
  61     res = yp_match(nisdomain, nismap, user, strlen(user), &val, &vallen);
  62
  63     switch (res) {
  64     case NO_YPERR:
  65         /* username = */
  66         (void) strtok(val, ":");
  67         password = strtok(NULL, ",:");
  68         return password;
  69     case YPERR_YPBIND:
  70         syslog(LOG_ERR, "Squid Authentication through ypbind failure: can't communicate with ypbind");
  71         return NULL;
  72     case YPERR_KEY:     /* No such key in map */
  73         return NULL;
  74     default:
  75         return NULL;
  76     }
  77 }
  78