Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/auth/mech-gssapi.c @ 9324:5d53b1d66d1b HEAD

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auth: Check for potentially dangerous NULs in usernames.
author Timo Sirainen <tss@iki.fi>
date Fri, 14 Aug 2009 02:54:41 -0400
parents 0ec0b1f1ac6a
children a37fa30b0072
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * GSSAPI Module
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3 *
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4 * Copyright (c) 2005 Jelmer Vernooij <jelmer@samba.org>
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5 *
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6 * Related standards:
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7 * - draft-ietf-sasl-gssapi-03
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8 * - RFC2222
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9 *
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10 * Some parts inspired by an older patch from Colin Walters
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11 *
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f8d37e26a2b3 Relicensed dovecot-auth to MIT.
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12 * This software is released under the MIT license.
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13 */
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14
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15 #include "common.h"
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16 #include "mech.h"
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17 #include "passdb.h"
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18 #include "str.h"
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19 #include "str-sanitize.h"
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20 #include "buffer.h"
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21 #include "hex-binary.h"
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22 #include "safe-memset.h"
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23
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24 #include <stdlib.h>
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25
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26 #if defined(BUILTIN_GSSAPI) || defined(PLUGIN_BUILD)
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27
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28 #ifndef HAVE___GSS_USEROK
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29 # define USE_KRB5_USEROK
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30 # include <krb5.h>
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31 #endif
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32
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33 #ifdef HAVE_GSSAPI_GSSAPI_H
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34 # include <gssapi/gssapi.h>
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35 #elif defined (HAVE_GSSAPI_H)
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36 # include <gssapi.h>
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37 #endif
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38
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39 #ifdef HAVE_GSSAPI_GSSAPI_KRB5_H
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40 # include <gssapi/gssapi_krb5.h>
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41 #elif defined (HAVE_GSSAPI_KRB5_H)
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42 # include <gssapi_krb5.h>
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43 #else
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44 # undef USE_KRB5_USEROK
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45 #endif
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46
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47 #ifdef HAVE_GSSAPI_GSSAPI_EXT_H
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48 # include <gssapi/gssapi_ext.h>
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49 #endif
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50
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51 /* Non-zero flags defined in RFC 2222 */
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52 enum sasl_gssapi_qop {
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53 SASL_GSSAPI_QOP_UNSPECIFIED = 0x00,
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54 SASL_GSSAPI_QOP_AUTH_ONLY = 0x01,
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55 SASL_GSSAPI_QOP_AUTH_INT = 0x02,
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56 SASL_GSSAPI_QOP_AUTH_CONF = 0x04
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57 };
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58
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59 struct gssapi_auth_request {
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60 struct auth_request auth_request;
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61 gss_ctx_id_t gss_ctx;
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62 gss_cred_id_t service_cred;
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63
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64 enum {
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65 GSS_STATE_SEC_CONTEXT,
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66 GSS_STATE_WRAP,
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67 GSS_STATE_UNWRAP
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68 } sasl_gssapi_state;
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69
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70 gss_name_t authn_name;
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71 gss_name_t authz_name;
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72
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73 pool_t pool;
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74 };
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75
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76 static bool gssapi_initialized = FALSE;
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77
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78 static gss_OID_desc mech_gssapi_krb5_oid =
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79 { 9, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02" };
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80
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81 static void mech_gssapi_log_error(struct auth_request *request,
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82 OM_uint32 status_value, int status_type,
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83 const char *description)
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84 {
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85 OM_uint32 message_context = 0;
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86 OM_uint32 minor_status;
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87 gss_buffer_desc status_string;
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88
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89 do {
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90 (void)gss_display_status(&minor_status, status_value,
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91 status_type, GSS_C_NO_OID,
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92 &message_context, &status_string);
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93
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94 auth_request_log_info(request, "gssapi",
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95 "While %s: %s", description,
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96 str_sanitize(status_string.value, (size_t)-1));
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97
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98 (void)gss_release_buffer(&minor_status, &status_string);
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99 } while (message_context != 0);
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100 }
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101
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102 static void mech_gssapi_initialize(void)
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103 {
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104 const char *path;
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105
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106 path = getenv("KRB5_KTNAME");
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107 if (path != NULL) {
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108 #ifdef HAVE_GSSKRB5_REGISTER_ACCEPTOR_IDENTITY
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109 gsskrb5_register_acceptor_identity(path);
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110 #elif defined (HAVE_KRB5_GSS_REGISTER_ACCEPTOR_IDENTITY)
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111 krb5_gss_register_acceptor_identity(path);
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112 #endif
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113 }
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114 }
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115
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116 static struct auth_request *mech_gssapi_auth_new(void)
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117 {
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118 struct gssapi_auth_request *request;
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119 pool_t pool;
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120
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121 if (!gssapi_initialized) {
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122 gssapi_initialized = TRUE;
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123 mech_gssapi_initialize();
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124 }
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125
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126 pool = pool_alloconly_create("gssapi_auth_request", 1024);
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127 request = p_new(pool, struct gssapi_auth_request, 1);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
128 request->pool = pool;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
129
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
130 request->gss_ctx = GSS_C_NO_CONTEXT;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
131
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
132 request->auth_request.pool = pool;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
133 return &request->auth_request;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
134 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
135
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4172004c1958 gssapi: Code cleanups. Logging error level changes.
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diff changeset
136 static OM_uint32
4172004c1958 gssapi: Code cleanups. Logging error level changes.
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parents: 8872
diff changeset
137 obtain_service_credentials(struct auth_request *request, gss_cred_id_t *ret_r)
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
138 {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
139 OM_uint32 major_status, minor_status;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
140 string_t *principal_name;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
141 gss_buffer_desc inbuf;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
142 gss_name_t gss_principal;
4628
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
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parents: 4451
diff changeset
143 const char *service_name;
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
Timo Sirainen <tss@iki.fi>
parents: 4451
diff changeset
144
8093
9ca5e8f66d10 Added support for gssapi_hostname=$ALL for multihomed hosts.
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parents: 8068
diff changeset
145 if (strcmp(request->auth->gssapi_hostname, "$ALL") == 0) {
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
146 auth_request_log_debug(request, "gssapi",
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
147 "Using all keytab entries");
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
148 *ret_r = GSS_C_NO_CREDENTIAL;
8093
9ca5e8f66d10 Added support for gssapi_hostname=$ALL for multihomed hosts.
Timo Sirainen <tss@iki.fi>
parents: 8068
diff changeset
149 return GSS_S_COMPLETE;
9ca5e8f66d10 Added support for gssapi_hostname=$ALL for multihomed hosts.
Timo Sirainen <tss@iki.fi>
parents: 8068
diff changeset
150 }
9ca5e8f66d10 Added support for gssapi_hostname=$ALL for multihomed hosts.
Timo Sirainen <tss@iki.fi>
parents: 8068
diff changeset
151
4628
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
Timo Sirainen <tss@iki.fi>
parents: 4451
diff changeset
152 if (strcasecmp(request->service, "POP3") == 0) {
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
Timo Sirainen <tss@iki.fi>
parents: 4451
diff changeset
153 /* The standard POP3 service name with GSSAPI is called
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
Timo Sirainen <tss@iki.fi>
parents: 4451
diff changeset
154 just "pop". */
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
Timo Sirainen <tss@iki.fi>
parents: 4451
diff changeset
155 service_name = "pop";
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
Timo Sirainen <tss@iki.fi>
parents: 4451
diff changeset
156 } else {
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
Timo Sirainen <tss@iki.fi>
parents: 4451
diff changeset
157 service_name = t_str_lcase(request->service);
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
Timo Sirainen <tss@iki.fi>
parents: 4451
diff changeset
158 }
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
159
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
160 principal_name = t_str_new(128);
4628
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
Timo Sirainen <tss@iki.fi>
parents: 4451
diff changeset
161 str_append(principal_name, service_name);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
162 str_append_c(principal_name, '@');
5439
c5401a8f4679 Added auth_gssapi_hostname setting.
Timo Sirainen <tss@iki.fi>
parents: 5259
diff changeset
163 str_append(principal_name, request->auth->gssapi_hostname);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
164
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parents: 8872
diff changeset
165 auth_request_log_debug(request, "gssapi",
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
166 "Obtaining credentials for %s", str_c(principal_name));
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
167
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
168 inbuf.length = str_len(principal_name);
4451
1a35d53c18fc Array API redesigned to work using unions. It now provides type safety
Timo Sirainen <tss@iki.fi>
parents: 4382
diff changeset
169 inbuf.value = str_c_modifiable(principal_name);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
170
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
171 major_status = gss_import_name(&minor_status, &inbuf,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
172 GSS_C_NT_HOSTBASED_SERVICE,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
173 &gss_principal);
3879
928229f8b3e6 deinit, unref, destroy, close, free, etc. functions now take a pointer to
Timo Sirainen <tss@iki.fi>
parents: 3766
diff changeset
174 str_free(&principal_name);
3683
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
175
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
176 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
177 mech_gssapi_log_error(request, major_status, GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
178 "importing principal name");
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
179 return major_status;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
180 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
181
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
182 major_status = gss_acquire_cred(&minor_status, gss_principal, 0,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
183 GSS_C_NULL_OID_SET, GSS_C_ACCEPT,
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
184 ret_r, NULL, NULL);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
185 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
186 mech_gssapi_log_error(request, major_status, GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
187 "acquiring service credentials");
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
188 mech_gssapi_log_error(request, minor_status, GSS_C_MECH_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
189 "acquiring service credentials");
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
190 return major_status;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
191 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
192
4004
10d1c3301b87 Crashfix. Patch by Mark Davies
Timo Sirainen <tss@iki.fi>
parents: 3879
diff changeset
193 gss_release_name(&minor_status, &gss_principal);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
194 return major_status;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
195 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
196
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
197 static gss_name_t
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
198 import_name(struct auth_request *request, void *str, size_t len)
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
199 {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
200 OM_uint32 major_status, minor_status;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
201 gss_buffer_desc name_buf;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
202 gss_name_t name;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
203
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
204 name_buf.value = str;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
205 name_buf.length = len;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
206 major_status = gss_import_name(&minor_status, &name_buf,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
207 GSS_C_NO_OID, &name);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
208 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
209 mech_gssapi_log_error(request, major_status, GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
210 "gss_import_name");
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
211 return GSS_C_NO_NAME;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
212 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
213 return name;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
214 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
215
9324
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
216 static bool data_has_nuls(const void *data, unsigned int len)
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
217 {
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
218 const unsigned char *c = data;
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
219 unsigned int i;
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
220
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
221 for (i = 0; i < len; i++) {
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
222 if (c[i] == '\0')
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
223 return TRUE;
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
224 }
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
225 return FALSE;
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
226 }
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
227
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
228 static int get_display_name(struct auth_request *auth_request, gss_name_t name,
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
229 gss_OID *name_type_r, const char **display_name_r)
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
230 {
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
231 OM_uint32 major_status, minor_status;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
232 gss_buffer_desc buf;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
233
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
234 major_status = gss_display_name(&minor_status, name,
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
235 &buf, name_type_r);
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
236 if (major_status != GSS_S_COMPLETE) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
237 mech_gssapi_log_error(auth_request, major_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
238 GSS_C_GSS_CODE, "gss_display_name");
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
239 return -1;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
240 }
9324
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
241 if (data_has_nuls(buf.value, buf.length)) {
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
242 auth_request_log_info(auth_request, "gssapi",
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
243 "authn_name has NULs");
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
244 return -1;
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
245 }
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
246 *display_name_r = t_strndup(buf.value, buf.length);
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
247 (void)gss_release_buffer(&minor_status, &buf);
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
248 return 0;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
249 }
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
250
9258
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
251 static bool mech_gssapi_oid_cmp(const gss_OID_desc *oid1,
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
252 const gss_OID_desc *oid2)
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
253 {
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
254 return oid1->length == oid2->length &&
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
255 memcmp(oid1->elements, oid2->elements, oid1->length) == 0;
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
256 }
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
257
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
258 static int
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
259 mech_gssapi_sec_context(struct gssapi_auth_request *request,
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
260 gss_buffer_desc inbuf)
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
261 {
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
262 struct auth_request *auth_request = &request->auth_request;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
263 OM_uint32 major_status, minor_status;
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
264 gss_buffer_desc output_token;
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
265 gss_OID name_type;
9258
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
266 gss_OID mech_type;
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
267 const char *username, *error;
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
268 int ret = 0;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
269
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
270 major_status = gss_accept_sec_context (
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
271 &minor_status,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
272 &request->gss_ctx,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
273 request->service_cred,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
274 &inbuf,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
275 GSS_C_NO_CHANNEL_BINDINGS,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
276 &request->authn_name,
9258
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
277 &mech_type,
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
278 &output_token,
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
279 NULL, /* ret_flags */
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
280 NULL, /* time_rec */
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
281 NULL /* delegated_cred_handle */
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
282 );
9258
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
283
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
284 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
285 mech_gssapi_log_error(auth_request, major_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
286 GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
287 "processing incoming data");
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
288 mech_gssapi_log_error(auth_request, minor_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
289 GSS_C_MECH_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
290 "processing incoming data");
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
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diff changeset
291 return -1;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
292 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
293
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
294 switch (major_status) {
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
295 case GSS_S_COMPLETE:
9267
ac2e37e4c2c1 gssapi: Fixed compiling for non-MIT/Heimdal GSSAPI implementations (Solaris).
Timo Sirainen <tss@iki.fi>
parents: 9258
diff changeset
296 if (!mech_gssapi_oid_cmp(mech_type, &mech_gssapi_krb5_oid)) {
9258
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
297 auth_request_log_info(auth_request, "gssapi",
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
298 "GSSAPI mechanism not Kerberos5");
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
299 ret = -1;
9268
0ec0b1f1ac6a gssapi: Error handling fix.
Timo Sirainen <tss@iki.fi>
parents: 9267
diff changeset
300 } else if (get_display_name(auth_request, request->authn_name,
0ec0b1f1ac6a gssapi: Error handling fix.
Timo Sirainen <tss@iki.fi>
parents: 9267
diff changeset
301 &name_type, &username) < 0)
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
302 ret = -1;
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
303 else if (!auth_request_set_username(auth_request, username,
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
304 &error)) {
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
305 auth_request_log_info(auth_request, "gssapi",
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
306 "authn_name: %s", error);
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
307 ret = -1;
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
308 } else {
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
309 request->sasl_gssapi_state = GSS_STATE_WRAP;
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
310 auth_request_log_debug(auth_request, "gssapi",
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
311 "security context state completed.");
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
312 }
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
313 break;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
314 case GSS_S_CONTINUE_NEEDED:
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
315 auth_request_log_debug(auth_request, "gssapi",
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
316 "Processed incoming packet correctly, "
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
317 "waiting for another.");
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
318 break;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
319 default:
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
320 auth_request_log_error(auth_request, "gssapi",
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
321 "Received unexpected major status %d", major_status);
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
322 break;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
323 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
324
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
325 if (ret == 0) {
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
326 auth_request->callback(auth_request,
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
327 AUTH_CLIENT_RESULT_CONTINUE,
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
328 output_token.value, output_token.length);
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
329 }
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
330 (void)gss_release_buffer(&minor_status, &output_token);
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
331 return ret;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
332 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
333
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
334 static int
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
335 mech_gssapi_wrap(struct gssapi_auth_request *request, gss_buffer_desc inbuf)
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
336 {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
337 OM_uint32 major_status, minor_status;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
338 gss_buffer_desc outbuf;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
339 unsigned char ret[4];
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
340
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
341 /* The client's return data should be empty here */
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
342
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
343 /* Only authentication, no integrity or confidentiality
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
344 protection (yet?) */
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
345 ret[0] = (SASL_GSSAPI_QOP_UNSPECIFIED |
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
346 SASL_GSSAPI_QOP_AUTH_ONLY);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
347 ret[1] = 0xFF;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
348 ret[2] = 0xFF;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
349 ret[3] = 0xFF;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
350
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
351 inbuf.length = 4;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
352 inbuf.value = ret;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
353
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
354 major_status = gss_wrap(&minor_status, request->gss_ctx, 0,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
355 GSS_C_QOP_DEFAULT, &inbuf, NULL, &outbuf);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
356
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
357 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
358 mech_gssapi_log_error(&request->auth_request, major_status,
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
359 GSS_C_GSS_CODE, "sending security layer negotiation");
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
360 mech_gssapi_log_error(&request->auth_request, minor_status,
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
361 GSS_C_MECH_CODE, "sending security layer negotiation");
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
362 return -1;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
363 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
364
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
365 auth_request_log_debug(&request->auth_request, "gssapi",
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
366 "Negotiated security layer");
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
367
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
368 request->auth_request.callback(&request->auth_request,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
369 AUTH_CLIENT_RESULT_CONTINUE,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
370 outbuf.value, outbuf.length);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
371
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
372 (void)gss_release_buffer(&minor_status, &outbuf);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
373 request->sasl_gssapi_state = GSS_STATE_UNWRAP;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
374 return 0;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
375 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
376
7477
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
377 #ifdef USE_KRB5_USEROK
8826
ff6378d7b209 gssapi: Cross-realm authentication fix.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
378 static bool
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
379 mech_gssapi_krb5_userok(struct gssapi_auth_request *request,
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
380 gss_name_t name, const char *login_user,
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
381 bool check_name_type)
7477
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
382 {
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
383 krb5_context ctx;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
384 krb5_principal princ;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
385 krb5_error_code krb5_err;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
386 gss_OID name_type;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
387 const char *princ_display_name;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
388 bool ret = FALSE;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
389
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
390 /* Parse out the principal's username */
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
391 if (!get_display_name(&request->auth_request, name, &name_type,
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
392 &princ_display_name) < 0)
7477
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
393 return FALSE;
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
394
9258
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
395 if (!mech_gssapi_oid_cmp(name_type, GSS_KRB5_NT_PRINCIPAL_NAME) &&
b36b0291e1c1 gssapi: Fail authentication if mechanism type isn't Kerberos 5.
Timo Sirainen <tss@iki.fi>
parents: 9257
diff changeset
396 check_name_type) {
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
397 auth_request_log_info(&request->auth_request, "gssapi",
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
398 "OID not kerberos principal name");
7477
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
399 return FALSE;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
400 }
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
401
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
402 /* Init a krb5 context and parse the principal username */
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
403 krb5_err = krb5_init_context(&ctx);
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
404 if (krb5_err != 0) {
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
405 auth_request_log_error(&request->auth_request, "gssapi",
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
406 "krb5_init_context() failed: %d", (int)krb5_err);
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
407 return FALSE;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
408 }
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
409 krb5_err = krb5_parse_name(ctx, princ_display_name, &princ);
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
410 if (krb5_err != 0) {
7480
ad0f32abda6d Don't use krb5_get_error_message(), it doesn't work with Heimdal Kerberos.
Timo Sirainen <tss@iki.fi>
parents: 7477
diff changeset
411 /* writing the error string would be better, but we probably
ad0f32abda6d Don't use krb5_get_error_message(), it doesn't work with Heimdal Kerberos.
Timo Sirainen <tss@iki.fi>
parents: 7477
diff changeset
412 rarely get here and there doesn't seem to be a standard
ad0f32abda6d Don't use krb5_get_error_message(), it doesn't work with Heimdal Kerberos.
Timo Sirainen <tss@iki.fi>
parents: 7477
diff changeset
413 way of getting it */
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
414 auth_request_log_info(&request->auth_request, "gssapi",
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
415 "krb5_parse_name() failed: %d",
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
416 (int)krb5_err);
7477
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
417 } else {
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
418 /* See if the principal is authorized to act as the
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
419 specified user */
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
420 ret = krb5_kuserok(ctx, princ, login_user);
7477
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
421 krb5_free_principal(ctx, princ);
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
422 }
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
423 krb5_free_context(ctx);
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
424 return ret;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
425 }
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
426 #endif
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
427
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
428 static int
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
429 mech_gssapi_userok(struct gssapi_auth_request *request, const char *login_user)
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
430 {
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
431 struct auth_request *auth_request = &request->auth_request;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
432 OM_uint32 major_status, minor_status;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
433 int equal_authn_authz;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
434 #ifdef HAVE___GSS_USEROK
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
435 int login_ok;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
436 #endif
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
437
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
438 /* if authn and authz names equal, don't bother checking further. */
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
439 major_status = gss_compare_name(&minor_status,
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
440 request->authn_name,
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
441 request->authz_name,
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
442 &equal_authn_authz);
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
443 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
444 mech_gssapi_log_error(auth_request, major_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
445 GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
446 "gss_compare_name failed");
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
447 return -1;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
448 }
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
449
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
450 if (equal_authn_authz != 0)
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
451 return 0;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
452
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
453 /* handle cross-realm authentication */
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
454 #ifdef HAVE___GSS_USEROK
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
455 /* Solaris */
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
456 major_status = __gss_userok(&minor_status, request->authn_name,
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
457 login_user, &login_ok);
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
458 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
459 mech_gssapi_log_error(auth_request, major_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
460 GSS_C_GSS_CODE, "__gss_userok failed");
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
461 return -1;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
462 }
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
463
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
464 if (login_ok == 0) {
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
465 auth_request_log_info(auth_request, "gssapi",
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
466 "User not authorized to log in as %s", login_user);
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
467 return -1;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
468 }
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
469 return 0;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
470 #elif defined(USE_KRB5_USEROK)
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
471 if (!mech_gssapi_krb5_userok(request, request->authn_name,
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
472 login_user, TRUE)) {
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
473 auth_request_log_info(auth_request, "gssapi",
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
474 "User not authorized to log in as %s", login_user);
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
475 return -1;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
476 }
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
477
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
478 return 0;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
479 #else
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
480 auth_request_log_info(auth_request, "gssapi",
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
481 "Cross-realm authentication not supported "
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
482 "(authz_name=%s)", login_user);
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
483 return -1;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
484 #endif
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
485 }
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
486
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
487 static int
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
488 mech_gssapi_unwrap(struct gssapi_auth_request *request, gss_buffer_desc inbuf)
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
489 {
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
490 struct auth_request *auth_request = &request->auth_request;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
491 OM_uint32 major_status, minor_status;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
492 gss_buffer_desc outbuf;
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
493 const char *login_user, *error;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
494 unsigned char *name;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
495 unsigned int name_len;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
496
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
497 major_status = gss_unwrap(&minor_status, request->gss_ctx,
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
498 &inbuf, &outbuf, NULL, NULL);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
499
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
500 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
501 mech_gssapi_log_error(auth_request, major_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
502 GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
503 "final negotiation: gss_unwrap");
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
504 return -1;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
505 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
506
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
507 /* outbuf[0] contains bitmask for selected security layer,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
508 outbuf[1..3] contains maximum output_message size */
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
509 if (outbuf.length <= 4) {
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
510 auth_request_log_error(auth_request, "gssapi",
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
511 "Invalid response length");
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
512 return -1;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
513 }
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
514 name = (unsigned char *)outbuf.value + 4;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
515 name_len = outbuf.length - 4;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
516
9324
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
517 if (data_has_nuls(name, name_len)) {
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
518 auth_request_log_info(auth_request, "gssapi",
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
519 "authz_name has NULs");
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
520 return -1;
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
521 }
5d53b1d66d1b auth: Check for potentially dangerous NULs in usernames.
Timo Sirainen <tss@iki.fi>
parents: 9268
diff changeset
522
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
523 login_user = p_strndup(auth_request->pool, name, name_len);
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
524 request->authz_name = import_name(auth_request, name, name_len);
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
525 if (request->authz_name == GSS_C_NO_NAME) {
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
526 auth_request_log_info(auth_request, "gssapi", "no authz_name");
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
527 return -1;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
528 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
529
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
530 if (mech_gssapi_userok(request, login_user) < 0)
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
531 return -1;
7451
4a64c2f8e194 GSSAPI: Show username in "autn_name and authz_name differ" error.
Timo Sirainen <tss@iki.fi>
parents: 6428
diff changeset
532
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
533 if (!auth_request_set_username(auth_request, login_user, &error)) {
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
534 auth_request_log_info(auth_request, "gssapi",
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
535 "authz_name: %s", error);
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
536 return -1;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
537 }
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
538
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
539 auth_request_success(auth_request, NULL, 0);
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
540 return 0;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
541 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
542
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
543 static void
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
544 mech_gssapi_auth_continue(struct auth_request *request,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
545 const unsigned char *data, size_t data_size)
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
546 {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
547 struct gssapi_auth_request *gssapi_request =
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
548 (struct gssapi_auth_request *)request;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
549 gss_buffer_desc inbuf;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
550 int ret;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
551
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
552 inbuf.value = (void *)data;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
553 inbuf.length = data_size;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
554
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
555 switch (gssapi_request->sasl_gssapi_state) {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
556 case GSS_STATE_SEC_CONTEXT:
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
557 ret = mech_gssapi_sec_context(gssapi_request, inbuf);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
558 break;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
559 case GSS_STATE_WRAP:
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
560 ret = mech_gssapi_wrap(gssapi_request, inbuf);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
561 break;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
562 case GSS_STATE_UNWRAP:
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
563 ret = mech_gssapi_unwrap(gssapi_request, inbuf);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
564 break;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
565 default:
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
566 ret = -1;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
567 i_unreached();
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
568 }
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
569 if (ret < 0)
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
570 auth_request_fail(request);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
571 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
572
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
573 static void
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
574 mech_gssapi_auth_initial(struct auth_request *request,
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
575 const unsigned char *data, size_t data_size)
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
576 {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
577 struct gssapi_auth_request *gssapi_request =
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
578 (struct gssapi_auth_request *)request;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
579 OM_uint32 major_status;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
580
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
581 major_status =
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
582 obtain_service_credentials(request,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
583 &gssapi_request->service_cred);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
584
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
585 if (GSS_ERROR(major_status)) {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
586 auth_request_internal_failure(request);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
587 return;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
588 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
589 gssapi_request->authn_name = GSS_C_NO_NAME;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
590 gssapi_request->authz_name = GSS_C_NO_NAME;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
591
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
592 gssapi_request->sasl_gssapi_state = GSS_STATE_SEC_CONTEXT;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
593
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
594 if (data_size == 0) {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
595 /* The client should go first */
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
596 request->callback(request, AUTH_CLIENT_RESULT_CONTINUE,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
597 NULL, 0);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
598 } else {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
599 mech_gssapi_auth_continue(request, data, data_size);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
600 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
601 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
602
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
603 static void
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
604 mech_gssapi_auth_free(struct auth_request *request)
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
605 {
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
606 struct gssapi_auth_request *gssapi_request =
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
607 (struct gssapi_auth_request *)request;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
608 OM_uint32 minor_status;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
609
6242
40e324d83d2b Crashfix for failed GSSAPI requests.
Timo Sirainen <tss@iki.fi>
parents: 6199
diff changeset
610 if (gssapi_request->gss_ctx != GSS_C_NO_CONTEXT) {
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
611 (void)gss_delete_sec_context(&minor_status,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
612 &gssapi_request->gss_ctx,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
613 GSS_C_NO_BUFFER);
6242
40e324d83d2b Crashfix for failed GSSAPI requests.
Timo Sirainen <tss@iki.fi>
parents: 6199
diff changeset
614 }
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
615
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
616 (void)gss_release_cred(&minor_status, &gssapi_request->service_cred);
5259
228eacfb2647 Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents: 4862
diff changeset
617 if (gssapi_request->authn_name != GSS_C_NO_NAME) {
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
618 (void)gss_release_name(&minor_status,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
619 &gssapi_request->authn_name);
5259
228eacfb2647 Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents: 4862
diff changeset
620 }
228eacfb2647 Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents: 4862
diff changeset
621 if (gssapi_request->authz_name != GSS_C_NO_NAME) {
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
622 (void)gss_release_name(&minor_status,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
623 &gssapi_request->authz_name);
5259
228eacfb2647 Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents: 4862
diff changeset
624 }
6428
7cad076906eb pool_unref() now takes ** pointer.
Timo Sirainen <tss@iki.fi>
parents: 6242
diff changeset
625 pool_unref(&request->pool);
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
626 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
627
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
628 const struct mech_module mech_gssapi = {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
629 "GSSAPI",
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
630
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
631 MEMBER(flags) 0,
8605
84eea1977632 auth: Code cleanup for specifying what passdb features auth mechanisms need.
Timo Sirainen <tss@iki.fi>
parents: 8191
diff changeset
632 MEMBER(passdb_need) MECH_PASSDB_NEED_NOTHING,
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
633
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
634 mech_gssapi_auth_new,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
635 mech_gssapi_auth_initial,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
636 mech_gssapi_auth_continue,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
637 mech_gssapi_auth_free
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
638 };
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
639
8094
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
640 /* MTI Kerberos v1.5+ and Heimdal v0.7+ supports SPNEGO for Kerberos tickets
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
641 internally. Nothing else needs to be done here. Note however that this does
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
642 not support SPNEGO when the only available credential is NTLM.. */
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
643 const struct mech_module mech_gssapi_spnego = {
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
644 "GSS-SPNEGO",
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
645
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
646 MEMBER(flags) 0,
8605
84eea1977632 auth: Code cleanup for specifying what passdb features auth mechanisms need.
Timo Sirainen <tss@iki.fi>
parents: 8191
diff changeset
647 MEMBER(passdb_need) MECH_PASSDB_NEED_NOTHING,
8094
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
648
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649 mech_gssapi_auth_new,
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650 mech_gssapi_auth_initial,
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651 mech_gssapi_auth_continue,
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652 mech_gssapi_auth_free
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653 };
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654
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655 #ifndef BUILTIN_GSSAPI
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656 void mech_gssapi_init(void);
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657 void mech_gssapi_deinit(void);
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658
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659 void mech_gssapi_init(void)
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660 {
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661 mech_register_module(&mech_gssapi);
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662 #ifdef HAVE_GSSAPI_SPNEGO
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663 if (getenv("NTLM_USE_WINBIND") == NULL)
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664 mech_register_module(&mech_gssapi_spnego);
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665 #endif
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666 }
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667
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668 void mech_gssapi_deinit(void)
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669 {
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670 mech_unregister_module(&mech_gssapi);
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671 #ifdef HAVE_GSSAPI_SPNEGO
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672 if (getenv("NTLM_USE_WINBIND") == NULL)
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673 mech_unregister_module(&mech_gssapi_spnego);
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674 #endif
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675 }
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676 #endif
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677
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678 #endif