gss_display_status.c revision 171112
1/*- 2 * Copyright (c) 2005 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/lib/libgssapi/gss_display_status.c 171112 2007-06-30 07:47:45Z dfr $ 27 */ 28/* 29 * Copyright (c) 1998 - 2005 Kungliga Tekniska H�gskolan 30 * (Royal Institute of Technology, Stockholm, Sweden). 31 * All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 44 * 3. Neither the name of the Institute nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 */ 60 61#include <gssapi/gssapi.h> 62#include <string.h> 63#include <errno.h> 64 65#include "mech_switch.h" 66 67static const char * 68calling_error(OM_uint32 v) 69{ 70 static const char *msgs[] = { 71 NULL, /* 0 */ 72 "A required input parameter could not be read.", /* */ 73 "A required output parameter could not be written.", /* */ 74 "A parameter was malformed" 75 }; 76 77 v >>= GSS_C_CALLING_ERROR_OFFSET; 78 79 if (v == 0) 80 return ""; 81 else if (v >= sizeof(msgs)/sizeof(*msgs)) 82 return "unknown calling error"; 83 else 84 return msgs[v]; 85} 86 87static const char * 88routine_error(OM_uint32 v) 89{ 90 static const char *msgs[] = { 91 NULL, /* 0 */ 92 "An unsupported mechanism was requested", 93 "An invalid name was supplied", 94 "A supplied name was of an unsupported type", 95 "Incorrect channel bindings were supplied", 96 "An invalid status code was supplied", 97 "A token had an invalid MIC", 98 "No credentials were supplied, " 99 "or the credentials were unavailable or inaccessible.", 100 "No context has been established", 101 "A token was invalid", 102 "A credential was invalid", 103 "The referenced credentials have expired", 104 "The context has expired", 105 "Miscellaneous failure (see text)", 106 "The quality-of-protection requested could not be provide", 107 "The operation is forbidden by local security policy", 108 "The operation or option is not available", 109 "The requested credential element already exists", 110 "The provided name was not a mechanism name.", 111 }; 112 113 v >>= GSS_C_ROUTINE_ERROR_OFFSET; 114 115 if (v == 0) 116 return ""; 117 else if (v >= sizeof(msgs)/sizeof(*msgs)) 118 return "unknown routine error"; 119 else 120 return msgs[v]; 121} 122 123static const char * 124supplementary_error(OM_uint32 v) 125{ 126 static const char *msgs[] = { 127 "normal completion", 128 "continuation call to routine required", 129 "duplicate per-message token detected", 130 "timed-out per-message token detected", 131 "reordered (early) per-message token detected", 132 "skipped predecessor token(s) detected" 133 }; 134 135 v >>= GSS_C_SUPPLEMENTARY_OFFSET; 136 137 if (v >= sizeof(msgs)/sizeof(*msgs)) 138 return "unknown routine error"; 139 else 140 return msgs[v]; 141} 142 143OM_uint32 144gss_display_status(OM_uint32 *minor_status, 145 OM_uint32 status_value, 146 int status_type, 147 const gss_OID mech_type, 148 OM_uint32 *message_content, 149 gss_buffer_t status_string) 150{ 151 OM_uint32 major_status; 152 153 *minor_status = 0; 154 switch (status_type) { 155 case GSS_C_GSS_CODE: { 156 char *buf; 157 158 if (GSS_SUPPLEMENTARY_INFO(status_value)) 159 asprintf(&buf, "%s", supplementary_error( 160 GSS_SUPPLEMENTARY_INFO(status_value))); 161 else 162 asprintf (&buf, "%s %s", 163 calling_error(GSS_CALLING_ERROR(status_value)), 164 routine_error(GSS_ROUTINE_ERROR(status_value))); 165 166 status_string->length = strlen(buf); 167 status_string->value = buf; 168 169 return GSS_S_COMPLETE; 170 } 171 case GSS_C_MECH_CODE: { 172 struct _gss_mech_switch *m; 173 m = _gss_find_mech_switch(mech_type); 174 if (m) { 175 major_status = m->gm_display_status(minor_status, 176 status_value, status_type, mech_type, 177 message_content, status_string); 178 if (major_status == GSS_S_COMPLETE) 179 return (GSS_S_COMPLETE); 180 } 181 } 182 } 183 status_string->value = NULL; 184 status_string->length = 0; 185 return (GSS_S_BAD_STATUS); 186} 187