Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/auth/mech-gssapi.c @ 9257:1b3e90e829de HEAD

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gssapi: Don't do krb5_kuserok() to authz_name. It shouldn't be necessary.
author Timo Sirainen <tss@iki.fi>
date Sun, 26 Jul 2009 22:00:46 -0400
parents f57f9dab059b
children b36b0291e1c1
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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dfdedb187b26 If __gss_userok() exists, use it to verify username. Patch by Peter Eriksson.
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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 void mech_gssapi_log_error(struct auth_request *request,
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79 OM_uint32 status_value, int status_type,
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80 const char *description)
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81 {
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82 OM_uint32 message_context = 0;
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83 OM_uint32 minor_status;
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84 gss_buffer_desc status_string;
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85
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86 do {
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87 (void)gss_display_status(&minor_status, status_value,
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88 status_type, GSS_C_NO_OID,
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89 &message_context, &status_string);
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90
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91 auth_request_log_info(request, "gssapi",
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92 "While %s: %s", description,
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93 str_sanitize(status_string.value, (size_t)-1));
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94
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95 (void)gss_release_buffer(&minor_status, &status_string);
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96 } while (message_context != 0);
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97 }
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98
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99 static void mech_gssapi_initialize(void)
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100 {
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101 const char *path;
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102
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103 path = getenv("KRB5_KTNAME");
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104 if (path != NULL) {
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105 #ifdef HAVE_GSSKRB5_REGISTER_ACCEPTOR_IDENTITY
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106 gsskrb5_register_acceptor_identity(path);
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107 #elif defined (HAVE_KRB5_GSS_REGISTER_ACCEPTOR_IDENTITY)
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108 krb5_gss_register_acceptor_identity(path);
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109 #endif
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110 }
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111 }
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112
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113 static struct auth_request *mech_gssapi_auth_new(void)
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114 {
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115 struct gssapi_auth_request *request;
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116 pool_t pool;
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117
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118 if (!gssapi_initialized) {
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119 gssapi_initialized = TRUE;
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120 mech_gssapi_initialize();
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121 }
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122
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123 pool = pool_alloconly_create("gssapi_auth_request", 1024);
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124 request = p_new(pool, struct gssapi_auth_request, 1);
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125 request->pool = pool;
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126
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127 request->gss_ctx = GSS_C_NO_CONTEXT;
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128
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diff changeset
129 request->auth_request.pool = pool;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
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parents:
diff changeset
130 return &request->auth_request;
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
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diff changeset
132
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diff changeset
133 static OM_uint32
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diff changeset
134 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
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diff changeset
135 {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
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parents:
diff changeset
136 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
137 string_t *principal_name;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
138 gss_buffer_desc inbuf;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
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diff changeset
139 gss_name_t gss_principal;
4628
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diff changeset
140 const char *service_name;
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parents: 4451
diff changeset
141
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9ca5e8f66d10 Added support for gssapi_hostname=$ALL for multihomed hosts.
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diff changeset
142 if (strcmp(request->auth->gssapi_hostname, "$ALL") == 0) {
9196
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diff changeset
143 auth_request_log_debug(request, "gssapi",
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
144 "Using all keytab entries");
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
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diff changeset
145 *ret_r = GSS_C_NO_CREDENTIAL;
8093
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parents: 8068
diff changeset
146 return GSS_S_COMPLETE;
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diff changeset
147 }
9ca5e8f66d10 Added support for gssapi_hostname=$ALL for multihomed hosts.
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diff changeset
148
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diff changeset
149 if (strcasecmp(request->service, "POP3") == 0) {
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diff changeset
150 /* The standard POP3 service name with GSSAPI is called
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diff changeset
151 just "pop". */
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diff changeset
152 service_name = "pop";
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parents: 4451
diff changeset
153 } else {
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diff changeset
154 service_name = t_str_lcase(request->service);
fc5ae043fdcc POP3 service name is "pop" with GSSAPI.
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parents: 4451
diff changeset
155 }
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156
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Timo Sirainen <tss@iki.fi>
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diff changeset
157 principal_name = t_str_new(128);
4628
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diff changeset
158 str_append(principal_name, service_name);
3683
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diff changeset
159 str_append_c(principal_name, '@');
5439
c5401a8f4679 Added auth_gssapi_hostname setting.
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parents: 5259
diff changeset
160 str_append(principal_name, request->auth->gssapi_hostname);
3683
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161
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diff changeset
162 auth_request_log_debug(request, "gssapi",
3683
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parents:
diff changeset
163 "Obtaining credentials for %s", str_c(principal_name));
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diff changeset
164
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
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diff changeset
165 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
166 inbuf.value = str_c_modifiable(principal_name);
3683
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diff changeset
167
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
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diff changeset
168 major_status = gss_import_name(&minor_status, &inbuf,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
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parents:
diff changeset
169 GSS_C_NT_HOSTBASED_SERVICE,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
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diff changeset
170 &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
171 str_free(&principal_name);
3683
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diff changeset
172
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
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diff changeset
173 if (GSS_ERROR(major_status)) {
9200
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parents: 9199
diff changeset
174 mech_gssapi_log_error(request, major_status, GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
175 "importing principal name");
3683
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diff changeset
176 return major_status;
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diff changeset
177 }
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
178
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
179 major_status = gss_acquire_cred(&minor_status, gss_principal, 0,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
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parents:
diff changeset
180 GSS_C_NULL_OID_SET, GSS_C_ACCEPT,
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diff changeset
181 ret_r, NULL, NULL);
3683
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diff changeset
182 if (GSS_ERROR(major_status)) {
9200
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diff changeset
183 mech_gssapi_log_error(request, major_status, GSS_C_GSS_CODE,
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diff changeset
184 "acquiring service credentials");
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diff changeset
185 mech_gssapi_log_error(request, minor_status, GSS_C_MECH_CODE,
5d9eab092e97 gssapi: Code cleanup.
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parents: 9199
diff changeset
186 "acquiring service credentials");
3683
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diff changeset
187 return major_status;
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diff changeset
188 }
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
189
4004
10d1c3301b87 Crashfix. Patch by Mark Davies
Timo Sirainen <tss@iki.fi>
parents: 3879
diff changeset
190 gss_release_name(&minor_status, &gss_principal);
3683
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parents:
diff changeset
191 return major_status;
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
192 }
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
193
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
194 static gss_name_t
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
195 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
196 {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
197 OM_uint32 major_status, minor_status;
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
198 gss_buffer_desc name_buf;
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
199 gss_name_t name;
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
200
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
201 name_buf.value = str;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
202 name_buf.length = len;
9196
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diff changeset
203 major_status = gss_import_name(&minor_status, &name_buf,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
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parents: 8872
diff changeset
204 GSS_C_NO_OID, &name);
3683
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Timo Sirainen <tss@iki.fi>
parents:
diff changeset
205 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
206 mech_gssapi_log_error(request, major_status, GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
207 "gss_import_name");
3683
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Timo Sirainen <tss@iki.fi>
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diff changeset
208 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
209 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
210 return name;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
211 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
212
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
213 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
214 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
215 {
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
216 OM_uint32 major_status, minor_status;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
217 gss_buffer_desc buf;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
218
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
219 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
220 &buf, name_type_r);
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
221 if (major_status != GSS_S_COMPLETE) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
222 mech_gssapi_log_error(auth_request, major_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
223 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
224 return -1;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
225 }
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
226 *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
227 (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
228 return 0;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
229 }
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
230
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
231 static int
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
232 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
233 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
234 {
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
235 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
236 OM_uint32 major_status, minor_status;
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
237 gss_buffer_desc output_token;
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
238 gss_OID name_type;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
239 const char *username, *error;
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
240 int ret = 0;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
241
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
242 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
243 &minor_status,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
244 &request->gss_ctx,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
245 request->service_cred,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
246 &inbuf,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
247 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
248 &request->authn_name,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
249 NULL, /* mech_type */
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
250 &output_token,
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
251 NULL, /* ret_flags */
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
252 NULL, /* time_rec */
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
253 NULL /* delegated_cred_handle */
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
254 );
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
255
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
256 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
257 mech_gssapi_log_error(auth_request, major_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
258 GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
259 "processing incoming data");
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
260 mech_gssapi_log_error(auth_request, minor_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
261 GSS_C_MECH_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
262 "processing incoming data");
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
263 return -1;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
264 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
265
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
266 switch (major_status) {
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
267 case GSS_S_COMPLETE:
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
268 if (!get_display_name(auth_request, request->authn_name,
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
269 &name_type, &username) < 0)
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
270 ret = -1;
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
271 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
272 &error)) {
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
273 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
274 "authn_name: %s", error);
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
275 ret = -1;
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
276 } else {
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
277 request->sasl_gssapi_state = GSS_STATE_WRAP;
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
278 auth_request_log_debug(auth_request, "gssapi",
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
279 "security context state completed.");
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
280 }
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
281 break;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
282 case GSS_S_CONTINUE_NEEDED:
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
283 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
284 "Processed incoming packet correctly, "
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
285 "waiting for another.");
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
286 break;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
287 default:
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
288 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
289 "Received unexpected major status %d", major_status);
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
290 break;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
291 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
292
9232
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
293 if (ret == 0) {
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
294 auth_request->callback(auth_request,
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
295 AUTH_CLIENT_RESULT_CONTINUE,
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
296 output_token.value, output_token.length);
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
297 }
f57f9dab059b GSSAPI: Fixed memory leak on error conditions.
Timo Sirainen <tss@iki.fi>
parents: 9200
diff changeset
298 (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
299 return ret;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
300 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
301
9196
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Timo Sirainen <tss@iki.fi>
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diff changeset
302 static int
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
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diff changeset
303 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
304 {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
305 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
306 gss_buffer_desc outbuf;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
307 unsigned char ret[4];
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
308
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
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diff changeset
309 /* 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
310
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
311 /* 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
312 protection (yet?) */
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
313 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
314 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
315 ret[1] = 0xFF;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
316 ret[2] = 0xFF;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
317 ret[3] = 0xFF;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
318
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
319 inbuf.length = 4;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
320 inbuf.value = ret;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
321
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
322 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
323 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
324
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
325 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
326 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
327 GSS_C_GSS_CODE, "sending security layer negotiation");
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
328 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
329 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
330 return -1;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
331 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
332
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
333 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
334 "Negotiated security layer");
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
335
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
336 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
337 AUTH_CLIENT_RESULT_CONTINUE,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
338 outbuf.value, outbuf.length);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
339
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
340 (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
341 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
342 return 0;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
343 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
344
7477
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
345 #ifdef USE_KRB5_USEROK
8826
ff6378d7b209 gssapi: Cross-realm authentication fix.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
346 static bool
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
347 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
348 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
349 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
350 {
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
351 krb5_context ctx;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
352 krb5_principal princ;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
353 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
354 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
355 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
356 bool ret = FALSE;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
357
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
358 /* 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
359 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
360 &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
361 return FALSE;
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
362
8826
ff6378d7b209 gssapi: Cross-realm authentication fix.
Timo Sirainen <tss@iki.fi>
parents: 8605
diff changeset
363 if (name_type != GSS_KRB5_NT_PRINCIPAL_NAME && check_name_type) {
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
364 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
365 "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
366 return FALSE;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
367 }
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
368
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
369 /* 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
370 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
371 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
372 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
373 "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
374 return FALSE;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
375 }
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
376 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
377 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
378 /* 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
379 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
380 way of getting it */
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
381 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
382 "krb5_parse_name() failed: %d",
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
383 (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
384 } else {
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
385 /* 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
386 specified user */
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
387 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
388 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
389 }
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
390 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
391 return ret;
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
392 }
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
393 #endif
841209428d2d Support cross-realm krb5 authentication. Based on patch by Zachary Kotlarek.
Timo Sirainen <tss@iki.fi>
parents: 7451
diff changeset
394
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
395 static int
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
396 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
397 {
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
398 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
399 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
400 int equal_authn_authz;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
401 #ifdef HAVE___GSS_USEROK
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
402 int login_ok;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
403 #endif
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
404
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
405 /* 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
406 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
407 request->authn_name,
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
408 request->authz_name,
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
409 &equal_authn_authz);
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
410 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
411 mech_gssapi_log_error(auth_request, major_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
412 GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
413 "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
414 return -1;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
415 }
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
416
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
417 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
418 return 0;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
419
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
420 /* handle cross-realm authentication */
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
421 #ifdef HAVE___GSS_USEROK
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Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
422 /* Solaris */
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
423 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
424 login_user, &login_ok);
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
425 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
426 mech_gssapi_log_error(auth_request, major_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
427 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
428 return -1;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
429 }
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 if (login_ok == 0) {
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
432 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
433 "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
434 return -1;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
435 }
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
436 return 0;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
437 #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
438 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
439 login_user, TRUE)) {
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
440 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
441 "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
442 return -1;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
443 }
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
444
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
445 return 0;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
446 #else
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
447 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
448 "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
449 "(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
450 return -1;
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
451 #endif
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
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
454 static int
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
455 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
456 {
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
457 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
458 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
459 gss_buffer_desc outbuf;
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
460 const char *login_user, *error;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
461 unsigned char *name;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
462 unsigned int name_len;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
463
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
464 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
465 &inbuf, &outbuf, NULL, NULL);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
466
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
467 if (GSS_ERROR(major_status)) {
9200
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
468 mech_gssapi_log_error(auth_request, major_status,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
469 GSS_C_GSS_CODE,
5d9eab092e97 gssapi: Code cleanup.
Timo Sirainen <tss@iki.fi>
parents: 9199
diff changeset
470 "final negotiation: gss_unwrap");
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
471 return -1;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
472 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
473
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
474 /* 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
475 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
476 if (outbuf.length <= 4) {
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
477 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
478 "Invalid response length");
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
479 return -1;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
480 }
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
481 name = (unsigned char *)outbuf.value + 4;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
482 name_len = outbuf.length - 4;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
483
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
484 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
485 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
486 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
487 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
488 return -1;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
489 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
490
9199
f4ff64dd79a9 gssapi: Use *userok() functions only when authz_name != authn_name.
Timo Sirainen <tss@iki.fi>
parents: 9197
diff changeset
491 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
492 return -1;
7451
4a64c2f8e194 GSSAPI: Show username in "autn_name and authz_name differ" error.
Timo Sirainen <tss@iki.fi>
parents: 6428
diff changeset
493
9197
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
494 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
495 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
496 "authz_name: %s", error);
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
497 return -1;
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
498 }
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
499
a5c5a912769e gssapi: Set username via auth_request_set_username().
Timo Sirainen <tss@iki.fi>
parents: 9196
diff changeset
500 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
501 return 0;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
502 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
503
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
504 static void
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
505 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
506 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
507 {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
508 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
509 (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
510 gss_buffer_desc inbuf;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
511 int ret;
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
512
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
513 inbuf.value = (void *)data;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
514 inbuf.length = data_size;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
515
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
516 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
517 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
518 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
519 break;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
520 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
521 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
522 break;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
523 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
524 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
525 break;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
526 default:
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
527 ret = -1;
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
528 i_unreached();
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
529 }
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
530 if (ret < 0)
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
531 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
532 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
533
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
534 static void
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
535 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
536 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
537 {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
538 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
539 (struct gssapi_auth_request *)request;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
540 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
541
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
542 major_status =
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
543 obtain_service_credentials(request,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
544 &gssapi_request->service_cred);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
545
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
546 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
547 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
548 return;
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
549 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
550 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
551 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
552
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
553 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
554
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
555 if (data_size == 0) {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
556 /* 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
557 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
558 NULL, 0);
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
559 } else {
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
560 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
561 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
562 }
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
563
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
564 static void
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
565 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
566 {
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
567 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
568 (struct gssapi_auth_request *)request;
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
569 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
570
6242
40e324d83d2b Crashfix for failed GSSAPI requests.
Timo Sirainen <tss@iki.fi>
parents: 6199
diff changeset
571 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
572 (void)gss_delete_sec_context(&minor_status,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
573 &gssapi_request->gss_ctx,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
574 GSS_C_NO_BUFFER);
6242
40e324d83d2b Crashfix for failed GSSAPI requests.
Timo Sirainen <tss@iki.fi>
parents: 6199
diff changeset
575 }
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
576
9196
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
577 (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
578 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
579 (void)gss_release_name(&minor_status,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
580 &gssapi_request->authn_name);
5259
228eacfb2647 Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents: 4862
diff changeset
581 }
228eacfb2647 Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents: 4862
diff changeset
582 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
583 (void)gss_release_name(&minor_status,
4172004c1958 gssapi: Code cleanups. Logging error level changes.
Timo Sirainen <tss@iki.fi>
parents: 8872
diff changeset
584 &gssapi_request->authz_name);
5259
228eacfb2647 Added more debug logging.
Timo Sirainen <tss@iki.fi>
parents: 4862
diff changeset
585 }
6428
7cad076906eb pool_unref() now takes ** pointer.
Timo Sirainen <tss@iki.fi>
parents: 6242
diff changeset
586 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
587 }
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 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
590 "GSSAPI",
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 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
593 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
594
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
595 mech_gssapi_auth_new,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
596 mech_gssapi_auth_initial,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
597 mech_gssapi_auth_continue,
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
598 mech_gssapi_auth_free
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
599 };
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
600
8094
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
601 /* 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
602 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
603 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
604 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
605 "GSS-SPNEGO",
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
606
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
607 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
608 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
609
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
610 mech_gssapi_auth_new,
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
611 mech_gssapi_auth_initial,
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
612 mech_gssapi_auth_continue,
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
613 mech_gssapi_auth_free
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
614 };
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
615
6199
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
616 #ifndef BUILTIN_GSSAPI
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
617 void mech_gssapi_init(void);
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
618 void mech_gssapi_deinit(void);
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
619
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
620 void mech_gssapi_init(void)
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
621 {
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
622 mech_register_module(&mech_gssapi);
8094
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
623 #ifdef HAVE_GSSAPI_SPNEGO
8095
1f948670f274 Renamed auth_ntlm_use_winbind to auth_use_winbind,
Timo Sirainen <tss@iki.fi>
parents: 8094
diff changeset
624 if (getenv("NTLM_USE_WINBIND") == NULL)
1f948670f274 Renamed auth_ntlm_use_winbind to auth_use_winbind,
Timo Sirainen <tss@iki.fi>
parents: 8094
diff changeset
625 mech_register_module(&mech_gssapi_spnego);
8094
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
626 #endif
6199
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
627 }
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
628
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
629 void mech_gssapi_deinit(void)
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
630 {
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
631 mech_unregister_module(&mech_gssapi);
8094
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
632 #ifdef HAVE_GSSAPI_SPNEGO
8095
1f948670f274 Renamed auth_ntlm_use_winbind to auth_use_winbind,
Timo Sirainen <tss@iki.fi>
parents: 8094
diff changeset
633 if (getenv("NTLM_USE_WINBIND") == NULL)
1f948670f274 Renamed auth_ntlm_use_winbind to auth_use_winbind,
Timo Sirainen <tss@iki.fi>
parents: 8094
diff changeset
634 mech_unregister_module(&mech_gssapi_spnego);
8094
641d761219a6 Support GSS-SPNEGO mechanism if GSSAPI library supports it.
Timo Sirainen <tss@iki.fi>
parents: 8093
diff changeset
635 #endif
6199
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
636 }
3683
28cca6317829 Added GSSAPI support. Patch by Jelmer Vernooij and some fixes by
Timo Sirainen <tss@iki.fi>
parents:
diff changeset
637 #endif
6199
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
638
c1d09af8bdda Added --with-gssapi=plugin
Timo Sirainen <tss@iki.fi>
parents: 5860
diff changeset
639 #endif