2 * Copyright (c) 1999 - 2003 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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7 * modification, are permitted provided that the following conditions
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34 #include "gssapi_locl.h"
36 RCSID("$Id: import_sec_context.c,v 1.7 2003/03/16 18:01:32 lha Exp $");
39 gss_import_sec_context (
40 OM_uint32 * minor_status,
41 const gss_buffer_t interprocess_token,
42 gss_ctx_id_t * context_handle
45 OM_uint32 ret = GSS_S_FAILURE;
49 krb5_address local, remote;
50 krb5_address *localp, *remotep;
52 gss_buffer_desc buffer;
53 krb5_keyblock keyblock;
60 localp = remotep = NULL;
62 sp = krb5_storage_from_mem (interprocess_token->value,
63 interprocess_token->length);
65 *minor_status = ENOMEM;
69 *context_handle = malloc(sizeof(**context_handle));
70 if (*context_handle == NULL) {
71 *minor_status = ENOMEM;
72 krb5_storage_free (sp);
75 memset (*context_handle, 0, sizeof(**context_handle));
77 kret = krb5_auth_con_init (gssapi_krb5_context,
78 &(*context_handle)->auth_context);
80 gssapi_krb5_set_error_string ();
90 if (krb5_ret_int32 (sp, &flags) != 0)
93 /* retrieve the auth context */
95 ac = (*context_handle)->auth_context;
96 krb5_ret_int32 (sp, &ac->flags);
97 if (flags & SC_LOCAL_ADDRESS) {
98 if (krb5_ret_address (sp, localp = &local) != 0)
102 if (flags & SC_REMOTE_ADDRESS) {
103 if (krb5_ret_address (sp, remotep = &remote) != 0)
107 krb5_auth_con_setaddrs (gssapi_krb5_context, ac, localp, remotep);
109 krb5_free_address (gssapi_krb5_context, localp);
111 krb5_free_address (gssapi_krb5_context, remotep);
112 localp = remotep = NULL;
114 if (krb5_ret_int16 (sp, &ac->local_port) != 0)
117 if (krb5_ret_int16 (sp, &ac->remote_port) != 0)
119 if (flags & SC_KEYBLOCK) {
120 if (krb5_ret_keyblock (sp, &keyblock) != 0)
122 krb5_auth_con_setkey (gssapi_krb5_context, ac, &keyblock);
123 krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock);
125 if (flags & SC_LOCAL_SUBKEY) {
126 if (krb5_ret_keyblock (sp, &keyblock) != 0)
128 krb5_auth_con_setlocalsubkey (gssapi_krb5_context, ac, &keyblock);
129 krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock);
131 if (flags & SC_REMOTE_SUBKEY) {
132 if (krb5_ret_keyblock (sp, &keyblock) != 0)
134 krb5_auth_con_setremotesubkey (gssapi_krb5_context, ac, &keyblock);
135 krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock);
137 if (krb5_ret_int32 (sp, &ac->local_seqnumber))
139 if (krb5_ret_int32 (sp, &ac->remote_seqnumber))
142 if (krb5_ret_int32 (sp, &tmp) != 0)
145 if (krb5_ret_int32 (sp, &tmp) != 0)
151 if (krb5_ret_data (sp, &data))
153 buffer.value = data.data;
154 buffer.length = data.length;
156 ret = gss_import_name (minor_status, &buffer, GSS_C_NT_EXPORT_NAME,
157 &(*context_handle)->source);
159 ret = gss_import_name (minor_status, &buffer, GSS_C_NO_OID,
160 &(*context_handle)->source);
162 krb5_data_free (&data);
166 krb5_data_free (&data);
168 if (krb5_ret_data (sp, &data) != 0)
170 buffer.value = data.data;
171 buffer.length = data.length;
173 ret = gss_import_name (minor_status, &buffer, GSS_C_NT_EXPORT_NAME,
174 &(*context_handle)->target);
176 ret = gss_import_name (minor_status, &buffer, GSS_C_NO_OID,
177 &(*context_handle)->target);
179 krb5_data_free (&data);
183 krb5_data_free (&data);
185 if (krb5_ret_int32 (sp, &tmp))
187 (*context_handle)->flags = tmp;
188 if (krb5_ret_int32 (sp, &tmp))
190 (*context_handle)->more_flags = tmp;
191 if (krb5_ret_int32 (sp, &tmp) == 0)
192 (*context_handle)->lifetime = tmp;
194 (*context_handle)->lifetime = GSS_C_INDEFINITE;
196 return GSS_S_COMPLETE;
199 krb5_auth_con_free (gssapi_krb5_context,
200 (*context_handle)->auth_context);
201 if ((*context_handle)->source != NULL)
202 gss_release_name(&minor, &(*context_handle)->source);
203 if ((*context_handle)->target != NULL)
204 gss_release_name(&minor, &(*context_handle)->target);
206 krb5_free_address (gssapi_krb5_context, localp);
208 krb5_free_address (gssapi_krb5_context, remotep);
209 free (*context_handle);
210 *context_handle = GSS_C_NO_CONTEXT;