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33 #include "gssapiP_eap.h"
36 gssEapExportPartialContext(OM_uint32 *minor,
40 OM_uint32 major, tmpMinor;
41 size_t length, serverLen = 0;
43 char serverBuf[MAXHOSTNAMELEN];
45 if (ctx->acceptorCtx.radConn != NULL) {
46 if (rs_conn_get_current_server(ctx->acceptorCtx.radConn,
47 serverBuf, sizeof(serverBuf)) != 0) {
48 return gssEapRadiusMapError(minor,
49 rs_err_conn_pop(ctx->acceptorCtx.radConn));
51 serverLen = strlen(serverBuf);
54 length = 4 + serverLen + 4 + ctx->acceptorCtx.state.length;
56 token->value = GSSEAP_MALLOC(length);
57 if (token->value == NULL) {
59 major = GSS_S_FAILURE;
62 token->length = length;
64 p = (unsigned char *)token->value;
66 store_uint32_be(serverLen, p);
69 memcpy(p, serverBuf, serverLen);
73 store_uint32_be(ctx->acceptorCtx.state.length, p);
75 if (ctx->acceptorCtx.state.length != 0) {
76 memcpy(p, ctx->acceptorCtx.state.value,
77 ctx->acceptorCtx.state.length);
78 p += ctx->acceptorCtx.state.length;
81 assert(p == (unsigned char *)token->value + token->length);
85 gss_release_buffer(&tmpMinor, token);
91 gssEapExportSecContext(OM_uint32 *minor,
95 OM_uint32 major, tmpMinor;
97 gss_buffer_desc initiatorName = GSS_C_EMPTY_BUFFER;
98 gss_buffer_desc acceptorName = GSS_C_EMPTY_BUFFER;
99 gss_buffer_desc partialCtx = GSS_C_EMPTY_BUFFER;
103 if ((CTX_IS_INITIATOR(ctx) && !CTX_IS_ESTABLISHED(ctx)) ||
104 ctx->mechanismUsed == GSS_C_NO_OID)
105 return GSS_S_NO_CONTEXT;
107 key.length = KRB_KEY_LENGTH(&ctx->rfc3961Key);
108 key.value = KRB_KEY_DATA(&ctx->rfc3961Key);
110 if (ctx->initiatorName != GSS_C_NO_NAME) {
111 major = gssEapExportNameInternal(minor, ctx->initiatorName,
113 EXPORT_NAME_FLAG_COMPOSITE);
114 if (GSS_ERROR(major))
117 if (ctx->acceptorName != GSS_C_NO_NAME) {
118 major = gssEapExportNameInternal(minor, ctx->acceptorName,
120 EXPORT_NAME_FLAG_COMPOSITE);
121 if (GSS_ERROR(major))
126 * The partial context is only transmitted for unestablished acceptor
129 if (!CTX_IS_INITIATOR(ctx) && !CTX_IS_ESTABLISHED(ctx)) {
130 assert((ctx->flags & CTX_FLAG_KRB_REAUTH_GSS) == 0);
132 major = gssEapExportPartialContext(minor, ctx, &partialCtx);
133 if (GSS_ERROR(major))
137 length = 16; /* version, state, flags, */
138 length += 4 + ctx->mechanismUsed->length; /* mechanismUsed */
139 length += 12 + key.length; /* rfc3961Key.value */
140 length += 4 + initiatorName.length; /* initiatorName.value */
141 length += 4 + acceptorName.length; /* acceptorName.value */
142 length += 24 + sequenceSize(ctx->seqState); /* seqState */
144 if (partialCtx.value != NULL)
145 length += 4 + partialCtx.length; /* partialCtx.value */
147 token->value = GSSEAP_MALLOC(length);
148 if (token->value == NULL) {
150 major = GSS_S_FAILURE;
153 token->length = length;
155 p = (unsigned char *)token->value;
157 store_uint32_be(EAP_EXPORT_CONTEXT_V1, &p[0]); /* version */
158 store_uint32_be(ctx->state, &p[4]);
159 store_uint32_be(ctx->flags, &p[8]);
160 store_uint32_be(ctx->gssFlags, &p[12]);
161 p = store_oid(ctx->mechanismUsed, &p[16]);
163 store_uint32_be(ctx->checksumType, &p[0]);
164 store_uint32_be(ctx->encryptionType, &p[4]);
165 p = store_buffer(&key, &p[8], FALSE);
167 p = store_buffer(&initiatorName, p, FALSE);
168 p = store_buffer(&acceptorName, p, FALSE);
170 store_uint64_be(ctx->expiryTime, &p[0]);
171 store_uint64_be(ctx->sendSeq, &p[8]);
172 store_uint64_be(ctx->recvSeq, &p[16]);
175 major = sequenceExternalize(minor, ctx->seqState, &p, &length);
176 if (GSS_ERROR(major))
179 if (partialCtx.value != NULL)
180 p = store_buffer(&partialCtx, p, FALSE);
182 assert(p == (unsigned char *)token->value + token->length);
184 major = GSS_S_COMPLETE;
188 if (GSS_ERROR(major))
189 gss_release_buffer(&tmpMinor, token);
190 gss_release_buffer(&tmpMinor, &initiatorName);
191 gss_release_buffer(&tmpMinor, &acceptorName);
192 gss_release_buffer(&tmpMinor, &partialCtx);
198 gss_export_sec_context(OM_uint32 *minor,
199 gss_ctx_id_t *context_handle,
200 gss_buffer_t interprocess_token)
202 OM_uint32 major, tmpMinor;
203 gss_ctx_id_t ctx = *context_handle;
205 interprocess_token->length = 0;
206 interprocess_token->value = NULL;
208 if (ctx == GSS_C_NO_CONTEXT) {
210 return GSS_S_NO_CONTEXT;
215 GSSEAP_MUTEX_LOCK(&ctx->mutex);
217 major = gssEapExportSecContext(minor, ctx, interprocess_token);
218 if (GSS_ERROR(major)) {
219 GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
223 *context_handle = GSS_C_NO_CONTEXT;
225 GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
227 gssEapReleaseContext(&tmpMinor, &ctx);
229 return GSS_S_COMPLETE;