src/auth/basic/NIS/basic_nis_auth.cc

   1 /*
   2  * Copyright (C) 1996-2017 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  * Adapted By Rabellino Sergio (rabellino@di.unito.it) For Solaris 2.x
  11  * From NCSA Authentication module
  12  */
  13
  14 #include "squid.h"
  15 #include "auth/basic/NIS/nis_support.h"
  16 #include "hash.h"
  17 #include "rfc1738.h"
  18 #include "util.h"
  19
  20 #include <cstdlib>
  21 #include <cstring>
  22 #if HAVE_UNISTD_H
  23 #include <unistd.h>
  24 #endif
  25 #if HAVE_SYS_TYPES_H
  26 #include <sys/types.h>
  27 #endif
  28 #if HAVE_SYS_STAT_H
  29 #include <sys/stat.h>
  30 #endif
  31 #if HAVE_CRYPT_H
  32 #include <crypt.h>
  33 #endif
  34
  35 int
  36 main(int argc, char **argv)
  37 {
  38     char buf[256];
  39     char *nisdomain;
  40     char *nismap;
  41     char *user, *passwd, *p;
  42     char *nispasswd;
  43
  44     setbuf(stdout, NULL);
  45
  46     if (argc != 3) {
  47         fprintf(stderr, "Usage: basic_nis_auth <domainname> <nis map for password>\n");
  48         fprintf(stderr, "\n");
  49         fprintf(stderr, "Example basic_nis_auth mydomain.com passwd.byname\n");
  50         exit(1);
  51     }
  52     nisdomain = argv[1];
  53     nismap = argv[2];
  54
  55     while (fgets(buf, 256, stdin) != NULL) {
  56         if ((p = strchr(buf, '\n')) != NULL)
  57             *p = '\0';      /* strip \n */
  58
  59         if ((user = strtok(buf, " ")) == NULL) {
  60             printf("ERR\n");
  61             continue;
  62         }
  63         if ((passwd = strtok(NULL, "")) == NULL) {
  64             printf("ERR\n");
  65             continue;
  66         }
  67
  68         rfc1738_unescape(user);
  69         rfc1738_unescape(passwd);
  70
  71         nispasswd = get_nis_password(user, nisdomain, nismap);
  72
  73         if (!nispasswd) {
  74             /* User does not exist */
  75             printf("ERR No such user\n");
  76             continue;
  77         }
  78
  79 #if HAVE_CRYPT
  80         char *crypted = NULL;
  81         if ((crypted = crypt(passwd, nispasswd)) && strcmp(nispasswd, crypted) == 0) {
  82             /* All ok !, thanks... */
  83             printf("OK\n");
  84         } else {
  85             /* Password incorrect */
  86             printf("ERR Wrong password\n");
  87         }
  88 #else
  89         /* Password incorrect */
  90         printf("BH message=\"Missing crypto capability\"\n");
  91 #endif
  92     }
  93     exit(0);
  94 }
  95