usr/src/cmd/cmd-inet/usr.bin/ftp/cmds_gss.c

   1 /*
   2  * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
   3  * Use is subject to license terms.
   4  */
   5
   6 #pragma ident   "%Z%%M% %I%     %E% SMI"
   7
   8 /*
   9  * Copyright (c) 1985, 1989 Regents of the University of California.
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 3. All advertising materials mentioning features or use of this software
  21  *    must display the following acknowledgement:
  22  *      This product includes software developed by the University of
  23  *      California, Berkeley and its contributors.
  24  * 4. Neither the name of the University nor the names of its contributors
  25  *    may be used to endorse or promote products derived from this software
  26  *    without specific prior written permission.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  38  * SUCH DAMAGE.
  39  */
  40
  41 #include "ftp_var.h"
  42 #include <gssapi/gssapi.h>
  43 #include <gssapi/gssapi_ext.h>
  44
  45 void
  46 user_gss_error(OM_uint32 maj_stat, OM_uint32 min_stat, char *errstr)
  47 {
  48         OM_uint32 gmaj_stat, gmin_stat;
  49         gss_buffer_desc msg;
  50         OM_uint32 msg_ctx = 0;
  51         int display_error = 0;
  52
  53         /* Print the major status error from GSS */
  54         while (!msg_ctx) {
  55             gmaj_stat = gss_display_status(&gmin_stat, maj_stat,
  56                 GSS_C_GSS_CODE, GSS_C_NULL_OID, &msg_ctx, &msg);
  57             if ((gmaj_stat == GSS_S_COMPLETE)||
  58                 (gmaj_stat == GSS_S_CONTINUE_NEEDED)) {
  59                 /* display error messages only once */
  60                 if ((debug) || (!display_error)) {
  61                     (void) fprintf(stderr, "GSSAPI error major: %s\n",
  62                         (char *)msg.value);
  63                     display_error = 1;
  64                 }
  65                 (void) gss_release_buffer(&gmin_stat, &msg);
  66             }
  67             if (gmaj_stat != GSS_S_CONTINUE_NEEDED)
  68                 break;
  69         }
  70
  71         /* Print the minor status error from the mech */
  72         msg_ctx = 0;
  73         display_error = 0;
  74         if (min_stat)
  75             while (!msg_ctx) {
  76                 gmaj_stat = gss_display_status(&gmin_stat, min_stat,
  77                     GSS_C_MECH_CODE, GSS_C_NULL_OID, &msg_ctx, &msg);
  78                 if ((gmaj_stat == GSS_S_COMPLETE)||
  79                     (gmaj_stat == GSS_S_CONTINUE_NEEDED)) {
  80                     /* display error messages only once */
  81                     if ((!display_error) || (!debug)) {
  82                         (void) fprintf(stderr, "GSSAPI error minor: %s\n",
  83                             (char *)msg.value);
  84                         display_error = 1;
  85                     }
  86                     (void) gss_release_buffer(&gmin_stat, &msg);
  87                 }
  88                 if (gmaj_stat != GSS_S_CONTINUE_NEEDED)
  89                         break;
  90             }
  91
  92         if (debug) {
  93             (void) fprintf(stderr, "GSSAPI error: %s\n", errstr);
  94         }
  95 }