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Added some more header checks.

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committer: mfx <mfx> 978531825 +0000
This commit is contained in:
Markus F.X.J. Oberhumer
2001-01-03 14:23:45 +00:00
parent 572082ac2b
commit 597143df7f
2 changed files with 25 additions and 8 deletions
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src/p_lx_elf.cpp
+12 -5
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@@ -156,9 +156,6 @@ bool PackLinuxI386elf::canPack()
exetype = 0;
// FIXME: add special checks for uncompresed "vmlinux" kernel
// FIXME: add checks for FreeBSD/... ELF executables
fi->readx(buf, sizeof(buf));
fi->seek(0, SEEK_SET);
Elf_LE32_Ehdr const *const ehdr = (Elf_LE32_Ehdr const *)buf;
@@ -183,11 +180,21 @@ bool PackLinuxI386elf::canPack()
if (j >= 14)
return false;
if (phdr->PT_LOAD == phdr->p_type) {
if (phdr->p_offset != 0)
{
if (phdr->p_offset != 0) {
throwCantPack("invalid Phdr p_offset; try `--force-execve'");
return false;
}
#if 1
// FIXME: what about these checks ?
if (phdr->p_vaddr != 0x08048000) {
throwCantPack("invalid Phdr p_vaddr; try `--force-execve'");
return false;
}
if (phdr->p_paddr != 0x08048000) {
throwCantPack("invalid Phdr p_paddr; try `--force-execve'");
return false;
}
#endif
exetype = 1;
break;
}