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33 #include "gssapiP_eap.h"
36 gssEapExportPartialContext(OM_uint32 *minor,
44 * The format of this token awaits definition by libradius.
46 return GSS_S_COMPLETE;
50 gssEapExportSecContext(OM_uint32 *minor,
54 OM_uint32 major, tmpMinor;
56 gss_buffer_desc initiatorName = GSS_C_EMPTY_BUFFER;
57 gss_buffer_desc acceptorName = GSS_C_EMPTY_BUFFER;
58 gss_buffer_desc partialCtx = GSS_C_EMPTY_BUFFER;
62 if ((CTX_IS_INITIATOR(ctx) && !CTX_IS_ESTABLISHED(ctx)) ||
63 ctx->mechanismUsed == GSS_C_NO_OID)
64 return GSS_S_NO_CONTEXT;
66 key.length = KRB_KEY_LENGTH(&ctx->rfc3961Key);
67 key.value = KRB_KEY_DATA(&ctx->rfc3961Key);
69 if (ctx->initiatorName != GSS_C_NO_NAME) {
70 major = gssEapExportNameInternal(minor, ctx->initiatorName,
72 EXPORT_NAME_FLAG_COMPOSITE);
76 if (ctx->acceptorName != GSS_C_NO_NAME) {
77 major = gssEapExportNameInternal(minor, ctx->acceptorName,
79 EXPORT_NAME_FLAG_COMPOSITE);
85 * The partial context is only transmitted for unestablished acceptor
88 if (!CTX_IS_INITIATOR(ctx) && !CTX_IS_ESTABLISHED(ctx)) {
89 major = gssEapExportPartialContext(minor, ctx, &partialCtx);
94 length = 16; /* version, state, flags, etc */
95 length += 4 + ctx->mechanismUsed->length; /* mechanismUsed */
96 length += 12 + key.length; /* rfc3961Key.value */
97 length += 4 + initiatorName.length; /* initiatorName.value */
98 length += 4 + acceptorName.length; /* acceptorName.value */
99 length += 24 + sequenceSize(ctx->seqState); /* seqState */
101 if (partialCtx.value != NULL)
102 length += 4 + partialCtx.length; /* partialCtx.value */
104 token->value = GSSEAP_MALLOC(length);
105 if (token->value == NULL) {
107 major = GSS_S_FAILURE;
110 token->length = length;
112 p = (unsigned char *)token->value;
114 store_uint32_be(EAP_EXPORT_CONTEXT_V1, &p[0]); /* version */
115 store_uint32_be(ctx->state, &p[4]);
116 store_uint32_be(ctx->flags, &p[8]);
117 store_uint32_be(ctx->gssFlags, &p[12]);
118 p = store_oid(ctx->mechanismUsed, &p[16]);
120 store_uint32_be(ctx->checksumType, &p[0]);
121 store_uint32_be(ctx->encryptionType, &p[4]);
122 p = store_buffer(&key, &p[8], FALSE);
124 p = store_buffer(&initiatorName, p, FALSE);
125 p = store_buffer(&acceptorName, p, FALSE);
127 store_uint64_be(ctx->expiryTime, &p[0]);
128 store_uint64_be(ctx->sendSeq, &p[8]);
129 store_uint64_be(ctx->recvSeq, &p[16]);
132 major = sequenceExternalize(minor, ctx->seqState, &p, &length);
133 if (GSS_ERROR(major))
136 if (partialCtx.value != NULL)
137 p = store_buffer(&partialCtx, p, FALSE);
139 assert(p == (unsigned char *)token->value + token->length);
141 major = GSS_S_COMPLETE;
145 if (GSS_ERROR(major))
146 gss_release_buffer(&tmpMinor, token);
147 gss_release_buffer(&tmpMinor, &initiatorName);
148 gss_release_buffer(&tmpMinor, &acceptorName);
149 gss_release_buffer(&tmpMinor, &partialCtx);
155 gss_export_sec_context(OM_uint32 *minor,
156 gss_ctx_id_t *context_handle,
157 gss_buffer_t interprocess_token)
159 OM_uint32 major, tmpMinor;
160 gss_ctx_id_t ctx = *context_handle;
162 interprocess_token->length = 0;
163 interprocess_token->value = NULL;
165 if (ctx == GSS_C_NO_CONTEXT)
166 return GSS_S_NO_CONTEXT;
168 GSSEAP_MUTEX_LOCK(&ctx->mutex);
170 major = gssEapExportSecContext(minor, ctx, interprocess_token);
171 if (GSS_ERROR(major)) {
172 GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
176 *context_handle = GSS_C_NO_CONTEXT;
178 GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
180 gssEapReleaseContext(&tmpMinor, &ctx);
182 return GSS_S_COMPLETE;