/*
- * Copyright (c) 2010, JANET(UK)
+ * Copyright (c) 2011, JANET(UK)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* SUCH DAMAGE.
*/
+/*
+ * Serialise a security context. On the acceptor, this may be partially
+ * established.
+ */
+
#include "gssapiP_eap.h"
static OM_uint32
gss_ctx_id_t ctx,
gss_buffer_t token)
{
- /* XXX we also need to serialise the current server name */
- return duplicateBuffer(minor, &ctx->acceptorCtx.state, token);
+ OM_uint32 major, tmpMinor;
+ size_t length, serverLen = 0;
+ unsigned char *p;
+ char serverBuf[MAXHOSTNAMELEN];
+
+ if (ctx->acceptorCtx.radConn != NULL) {
+ if (rs_conn_get_current_peer(ctx->acceptorCtx.radConn,
+ serverBuf, sizeof(serverBuf)) != 0) {
+#if 0
+ return gssEapRadiusMapError(minor,
+ rs_err_conn_pop(ctx->acceptorCtx.radConn));
+#else
+ serverBuf[0] = '\0'; /* not implemented yet */
+#endif
+ }
+ serverLen = strlen(serverBuf);
+ }
+
+ length = 4 + serverLen + 4 + ctx->acceptorCtx.state.length;
+
+ token->value = GSSEAP_MALLOC(length);
+ if (token->value == NULL) {
+ major = GSS_S_FAILURE;
+ *minor = ENOMEM;
+ goto cleanup;
+ }
+ token->length = length;
+
+ p = (unsigned char *)token->value;
+
+ store_uint32_be(serverLen, p);
+ p += 4;
+ if (serverLen != 0) {
+ memcpy(p, serverBuf, serverLen);
+ p += serverLen;
+ }
+
+ store_uint32_be(ctx->acceptorCtx.state.length, p);
+ p += 4;
+ if (ctx->acceptorCtx.state.length != 0) {
+ memcpy(p, ctx->acceptorCtx.state.value,
+ ctx->acceptorCtx.state.length);
+ p += ctx->acceptorCtx.state.length;
+ }
+
+ assert(p == (unsigned char *)token->value + token->length);
+
+ major = GSS_S_COMPLETE;
+ *minor = 0;
+
+cleanup:
+ if (GSS_ERROR(major))
+ gss_release_buffer(&tmpMinor, token);
+
+ return major;
}
-static OM_uint32
+OM_uint32
gssEapExportSecContext(OM_uint32 *minor,
gss_ctx_id_t ctx,
gss_buffer_t token)
unsigned char *p;
if ((CTX_IS_INITIATOR(ctx) && !CTX_IS_ESTABLISHED(ctx)) ||
- ctx->mechanismUsed == GSS_C_NO_OID)
+ ctx->mechanismUsed == GSS_C_NO_OID) {
+ *minor = GSSEAP_CONTEXT_INCOMPLETE;
return GSS_S_NO_CONTEXT;
+ }
key.length = KRB_KEY_LENGTH(&ctx->rfc3961Key);
key.value = KRB_KEY_DATA(&ctx->rfc3961Key);
if (GSS_ERROR(major))
goto cleanup;
}
+
if (ctx->acceptorName != GSS_C_NO_NAME) {
major = gssEapExportNameInternal(minor, ctx->acceptorName,
&acceptorName,
* The partial context is only transmitted for unestablished acceptor
* contexts.
*/
- if (!CTX_IS_INITIATOR(ctx) && !CTX_IS_ESTABLISHED(ctx)) {
- assert((ctx->flags & CTX_FLAG_KRB_REAUTH_GSS) == 0);
-
+ if (!CTX_IS_INITIATOR(ctx) && !CTX_IS_ESTABLISHED(ctx) &&
+ (ctx->flags & CTX_FLAG_KRB_REAUTH) == 0) {
major = gssEapExportPartialContext(minor, ctx, &partialCtx);
if (GSS_ERROR(major))
goto cleanup;
token->value = GSSEAP_MALLOC(length);
if (token->value == NULL) {
- *minor = ENOMEM;
major = GSS_S_FAILURE;
+ *minor = ENOMEM;
goto cleanup;
}
token->length = length;
p = (unsigned char *)token->value;
store_uint32_be(EAP_EXPORT_CONTEXT_V1, &p[0]); /* version */
- store_uint32_be(ctx->state, &p[4]);
+ store_uint32_be(GSSEAP_SM_STATE(ctx), &p[4]);
store_uint32_be(ctx->flags, &p[8]);
store_uint32_be(ctx->gssFlags, &p[12]);
p = store_oid(ctx->mechanismUsed, &p[16]);
if (ctx == GSS_C_NO_CONTEXT) {
*minor = EINVAL;
- return GSS_S_NO_CONTEXT;
+ return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT;
}
*minor = 0;