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- /****************************************************************************
- * binfmt/libnxflat/libnxflat_verify.c
- *
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership. The
- * ASF licenses this file to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance with the
- * License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations
- * under the License.
- *
- ****************************************************************************/
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <nuttx/config.h>
- #include <string.h>
- #include <debug.h>
- #include <errno.h>
- #include <arpa/inet.h>
- #include <nuttx/binfmt/nxflat.h>
- /****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
- /****************************************************************************
- * Private Constant Data
- ****************************************************************************/
- /****************************************************************************
- * Private Functions
- ****************************************************************************/
- /****************************************************************************
- * Public Functions
- ****************************************************************************/
- /****************************************************************************
- * Name: nxflat_verifyheader
- *
- * Description:
- * Given the header from a possible NXFLAT executable, verify that it
- * is an NXFLAT executable.
- *
- * Returned Value:
- * 0 (OK) is returned on success and a negated errno is returned on
- * failure.
- *
- ****************************************************************************/
- int nxflat_verifyheader(const struct nxflat_hdr_s *header)
- {
- if (!header)
- {
- berr("NULL NXFLAT header!");
- return -ENOEXEC;
- }
- /* Check the FLT header -- magic number and revision.
- *
- * If the magic number does not match. Just return
- * silently. This is not our binary.
- */
- if (strncmp(header->h_magic, NXFLAT_MAGIC, 4) != 0)
- {
- berr("Unrecognized magic=\"%c%c%c%c\"\n",
- header->h_magic[0], header->h_magic[1],
- header->h_magic[2], header->h_magic[3]);
- return -ENOEXEC;
- }
- return OK;
- }
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