diff options
Diffstat (limited to 'nuttx/binfmt/libelf/libelf_verify.c')
-rw-r--r-- | nuttx/binfmt/libelf/libelf_verify.c | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/nuttx/binfmt/libelf/libelf_verify.c b/nuttx/binfmt/libelf/libelf_verify.c deleted file mode 100644 index c5f185ec3..000000000 --- a/nuttx/binfmt/libelf/libelf_verify.c +++ /dev/null @@ -1,120 +0,0 @@ -/**************************************************************************** - * binfmt/libelf/elf_verify.c - * - * Copyright (C) 2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * 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 NuttX 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 OWNER 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> - -#include <string.h> -#include <debug.h> -#include <errno.h> - -#include <nuttx/binfmt/elf.h> - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Constant Data - ****************************************************************************/ - -static const char g_elfmagic[EI_MAGIC_SIZE] = { 0x7f, 'E', 'L', 'F' }; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: elf_verifyheader - * - * Description: - * Given the header from a possible ELF executable, verify that it - * is an ELF executable. - * - * Returned Value: - * 0 (OK) is returned on success and a negated errno is returned on - * failure. - * - * -ENOEXEC : Not an ELF file - * -EINVAL : Not a relocatable ELF file or not supported by the current, - * configured architecture. - * - ****************************************************************************/ - -int elf_verifyheader(FAR const Elf32_Ehdr *ehdr) -{ - if (!ehdr) - { - bdbg("NULL ELF header!"); - return -ENOEXEC; - } - - /* Verify that the magic number indicates an ELF file */ - - if (memcmp(ehdr->e_ident, g_elfmagic, EI_MAGIC_SIZE) != 0) - { - bvdbg("Not ELF magic {%02x, %02x, %02x, %02x}\n", - ehdr->e_ident[0], ehdr->e_ident[1], ehdr->e_ident[2], ehdr->e_ident[3]); - return -ENOEXEC; - } - - /* Verify that this is a relocatable file */ - - if (ehdr->e_type != ET_REL) - { - bdbg("Not a relocatable file: e_type=%d\n", ehdr->e_type); - return -EINVAL; - } - - /* Verify that this file works with the currently configured architecture */ - - if (arch_checkarch(ehdr)) - { - bdbg("Not a supported architecture\n"); - return -ENOEXEC; - } - - /* Looks good so far... we still might find some problems later. */ - - return OK; -} - |