Rearrange moonshot to have libeap as a subproject

[mech_eap.git] / mech_eap / process_context_token.c

diff --git a/mech_eap/process_context_token.c b/mech_eap/process_context_token.c
new file mode 100644 (file)
index 0000000..5bad3c0
--- /dev/null
+++ b/mech_eap/process_context_token.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2011, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "gssapiP_eap.h"
+
+OM_uint32
+gss_process_context_token(OM_uint32 *minor,
+                          gss_ctx_id_t ctx,
+                          gss_buffer_t token_buffer)
+{
+    OM_uint32 major;
+    gss_iov_buffer_desc iov[1];
+
+    *minor = 0;
+
+    if (ctx == NULL) {
+        *minor = EINVAL;
+        return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT;
+    }
+
+    GSSEAP_MUTEX_LOCK(&ctx->mutex);
+
+    if (!CTX_IS_ESTABLISHED(ctx)) {
+        GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
+        *minor = GSSEAP_CONTEXT_INCOMPLETE;
+        return GSS_S_NO_CONTEXT;
+    }
+
+    iov[0].type = GSS_IOV_BUFFER_TYPE_HEADER;
+    iov[0].buffer = *token_buffer;
+
+    major = gssEapUnwrapOrVerifyMIC(minor, ctx, NULL, NULL,
+                                    iov, 1, TOK_TYPE_DELETE_CONTEXT);
+    if (GSS_ERROR(major)) {
+        GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
+        return major;
+    }
+
+    GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
+
+    return gssEapReleaseContext(minor, &ctx);
+}