jory/upx
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

Added some checks about bad loaders.

Browse Source 
committer: mfx <mfx> 976593293 +0000
This commit is contained in:
Markus F.X.J. Oberhumer 2000-12-12 03:54:53 +00:00
parent d805abaadd
commit a8eac4f2f8
1 changed files with 15 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/packer.cpp
View File

@ -906,26 +906,35 @@ void Packer::addLoader(const char *s, ...)
void Packer::addSection(const char *sname, const char *sdata, unsigned len)
{
linker->addSection(sname,sdata,len);
linker->addSection(sname, sdata, len);
}
int Packer::getLoaderSection(const char *name, int *slen)
{
return linker->getSection(name,slen);
int ostart = linker->getSection(name, slen);
if (ostart < 0)
throwBadLoader();
return ostart;
}
const upx_byte *Packer::getLoader() const
{
return (const upx_byte *) linker->getLoader(NULL);
int size = -1;
const char *oloader = linker->getLoader(&size);
if (oloader == NULL || size < 0)
throwBadLoader();
return (const upx_byte *) oloader;
}
int Packer::getLoaderSize() const
{
int size;
(void) linker->getLoader(&size);
int size = -1;
const char *oloader = linker->getLoader(&size);
if (oloader == NULL || size < 0)
throwBadLoader();
return size;
}
@ -956,6 +965,7 @@ const char *Packer::getDecompressor() const
return opt->small ? nrv2b_le32_small : nrv2b_le32_fast;
if (ph.method == M_NRV2D_LE32)
return opt->small ? nrv2d_le32_small : nrv2d_le32_fast;
throwInternalError("bad decompressor");
return NULL;
}