crypto/dist/heimdal/appl/test/nt_gss_common.c

   1 /*
   2  * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "test_locl.h"
  35 #include <gssapi.h>
  36 #include "nt_gss_common.h"
  37
  38 __RCSID("$Heimdal: nt_gss_common.c 17450 2006-05-05 11:11:43Z lha $"
  39         "$NetBSD$");
  40
  41 /*
  42  * These are functions that are needed to interoperate with the
  43  * `Sample SSPI Code' in Windows 2000 RC1 SDK.
  44  */
  45
  46 /*
  47  * Write the `gss_buffer_t' in `buf' onto the fd `sock', but remember that
  48  * the length is written in little-endian-order.
  49  */
  50
  51 void
  52 nt_write_token (int sock, gss_buffer_t buf)
  53 {
  54     unsigned char net_len[4];
  55     uint32_t len;
  56     OM_uint32 min_stat;
  57
  58     len = buf->length;
  59
  60     net_len[0] = (len >>  0) & 0xFF;
  61     net_len[1] = (len >>  8) & 0xFF;
  62     net_len[2] = (len >> 16) & 0xFF;
  63     net_len[3] = (len >> 24) & 0xFF;
  64
  65     if (write (sock, net_len, 4) != 4)
  66         err (1, "write");
  67     if (write (sock, buf->value, len) != len)
  68         err (1, "write");
  69
  70     gss_release_buffer (&min_stat, buf);
  71 }
  72
  73 /*
  74  *
  75  */
  76
  77 void
  78 nt_read_token (int sock, gss_buffer_t buf)
  79 {
  80     unsigned char net_len[4];
  81     uint32_t len;
  82
  83     if (read(sock, net_len, 4) != 4)
  84         err (1, "read");
  85     len = (net_len[0] <<  0)
  86         | (net_len[1] <<  8)
  87         | (net_len[2] << 16)
  88         | (net_len[3] << 24);
  89
  90     buf->length = len;
  91     buf->value  = malloc(len);
  92     if (read (sock, buf->value, len) != len)
  93         err (1, "read");
  94 }
  95
  96 void
  97 gss_print_errors (int min_stat)
  98 {
  99     OM_uint32 new_stat;
 100     OM_uint32 msg_ctx = 0;
 101     gss_buffer_desc status_string;
 102     OM_uint32 ret;
 103
 104     do {
 105         ret = gss_display_status (&new_stat,
 106                                   min_stat,
 107                                   GSS_C_MECH_CODE,
 108                                   GSS_C_NO_OID,
 109                                   &msg_ctx,
 110                                   &status_string);
 111         fprintf (stderr, "%s\n", (char *)status_string.value);
 112         gss_release_buffer (&new_stat, &status_string);
 113     } while (!GSS_ERROR(ret) && msg_ctx != 0);
 114 }
 115
 116 void
 117 gss_verr(int exitval, int status, const char *fmt, va_list ap)
 118 {
 119     vwarnx (fmt, ap);
 120     gss_print_errors (status);
 121     exit (exitval);
 122 }
 123
 124 void
 125 gss_err(int exitval, int status, const char *fmt, ...)
 126 {
 127     va_list args;
 128
 129     va_start(args, fmt);
 130     gss_verr (exitval, status, fmt, args);
 131     va_end(args);
 132 }