nuttx/binfmt/libnxflat/libnxflat_verify.c
Alin Jerpelea f9fb182809 Author: Gregory Nutt: update licenses to Apache
Update files from Gregory Nutt to Apache 2.0 license.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-02-05 12:15:56 -03:00

87 lines
2.9 KiB
C

/****************************************************************************
* binfmt/libnxflat/nxflat_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;
}