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      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 }
     96