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: src/lib/libgssapi/gss_display_status.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ 27 */ 28/* 29 * Copyright (c) 1998 - 2005 Kungliga Tekniska Högskolan 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 "mech_locl.h" 62 63static const char * 64calling_error(OM_uint32 v) 65{ 66 static const char *msgs[] = { 67 NULL, /* 0 */ 68 "A required input parameter could not be read.", /* */ 69 "A required output parameter could not be written.", /* */ 70 "A parameter was malformed" 71 }; 72 73 v >>= GSS_C_CALLING_ERROR_OFFSET; 74 75 if (v == 0) 76 return ""; 77 else if (v >= sizeof(msgs)/sizeof(*msgs)) 78 return "unknown calling error"; 79 else 80 return msgs[v]; 81} 82 83static const char * 84routine_error(OM_uint32 v) 85{ 86 static const char *msgs[] = { 87 "Function completed successfully", /* 0 */ 88 "An unsupported mechanism was requested", 89 "An invalid name was supplied", 90 "A supplied name was of an unsupported type", 91 "Incorrect channel bindings were supplied", 92 "An invalid status code was supplied", 93 "A token had an invalid MIC", 94 "No credentials were supplied, " 95 "or the credentials were unavailable or inaccessible.", 96 "No context has been established", 97 "A token was invalid", 98 "A credential was invalid", 99 "The referenced credentials have expired", 100 "The context has expired", 101 "Miscellaneous failure (see text)", 102 "The quality-of-protection requested could not be provide", 103 "The operation is forbidden by local security policy", 104 "The operation or option is not available", 105 "The requested credential element already exists", 106 "The provided name was not a mechanism name.", 107 }; 108 109 v >>= GSS_C_ROUTINE_ERROR_OFFSET; 110 111 if (v >= sizeof(msgs)/sizeof(*msgs)) 112 return "unknown routine error"; 113 else 114 return msgs[v]; 115} 116 117static const char * 118supplementary_error(OM_uint32 v) 119{ 120 static const char *msgs[] = { 121 "normal completion", 122 "continuation call to routine required", 123 "duplicate per-message token detected", 124 "timed-out per-message token detected", 125 "reordered (early) per-message token detected", 126 "skipped predecessor token(s) detected" 127 }; 128 129 v >>= GSS_C_SUPPLEMENTARY_OFFSET; 130 131 if (v >= sizeof(msgs)/sizeof(*msgs)) 132 return "unknown routine error"; 133 else 134 return msgs[v]; 135} 136 137 138GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL 139gss_display_status(OM_uint32 *minor_status, 140 OM_uint32 status_value, 141 int status_type, 142 const gss_OID mech_type, 143 OM_uint32 *message_content, 144 gss_buffer_t status_string) 145{ 146 OM_uint32 major_status; 147 148 _mg_buffer_zero(status_string); 149 *message_content = 0; 150 151 *minor_status = 0; 152 switch (status_type) { 153 case GSS_C_GSS_CODE: { 154 char *buf = NULL; 155 int e; 156 157 if (GSS_SUPPLEMENTARY_INFO(status_value)) 158 e = asprintf(&buf, "%s", supplementary_error( 159 GSS_SUPPLEMENTARY_INFO(status_value))); 160 else 161 e = asprintf (&buf, "%s %s", 162 calling_error(GSS_CALLING_ERROR(status_value)), 163 routine_error(GSS_ROUTINE_ERROR(status_value))); 164 165 if (e < 0 || buf == NULL) 166 break; 167 168 status_string->length = strlen(buf); 169 status_string->value = buf; 170 171 return GSS_S_COMPLETE; 172 } 173 case GSS_C_MECH_CODE: { 174 OM_uint32 maj_junk, min_junk; 175 gss_buffer_desc oid; 176 char *buf = NULL; 177 int e; 178 179 major_status = _gss_mg_get_error(mech_type, status_value, 180 status_string); 181 if (major_status == GSS_S_COMPLETE) { 182 *message_content = 0; 183 *minor_status = 0; 184 return GSS_S_COMPLETE; 185 } 186 187 maj_junk = gss_oid_to_str(&min_junk, mech_type, &oid); 188 if (maj_junk != GSS_S_COMPLETE) { 189 oid.value = rk_UNCONST("unknown"); 190 oid.length = 7; 191 } 192 193 e = asprintf (&buf, "unknown mech-code %lu for mech %.*s", 194 (unsigned long)status_value, 195 (int)oid.length, (char *)oid.value); 196 if (maj_junk == GSS_S_COMPLETE) 197 gss_release_buffer(&min_junk, &oid); 198 199 if (e < 0 || buf == NULL) 200 break; 201 202 status_string->length = strlen(buf); 203 status_string->value = buf; 204 205 return GSS_S_COMPLETE; 206 } 207 } 208 _mg_buffer_zero(status_string); 209 return (GSS_S_BAD_STATUS); 210} 211