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pemixed is no longer our friend

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This commit is contained in:
pancake 2018-08-06 09:27:27 +02:00
parent efe53437ff
commit f2bf39beb5
3 changed files with 10 additions and 4 deletions
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6
libr/bin/bin.c
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@ -454,6 +454,12 @@ R_API int r_bin_load_io_at_offset_as_sz(RBin *bin, int fd, ut64 baseaddr,
// change the name to something like
// <xtr_name>:<bin_type_name>
r_list_foreach (bin->binxtrs, it, xtr) {
if (xtr && !strcmp (xtr->name, "xtr.pemixed")) {
// XXX pemixed is always loaded because it uses
// XXX the same signature for fat and non-fat
// XXX so we need to make that action implicit
continue;
}
if (xtr && xtr->check_bytes (buf_bytes, sz)) {
if (xtr && (xtr->extract_from_bytes || xtr->extractall_from_bytes)) {
if (is_debugger && sz != file_sz) {

5
libr/bin/p/bin_xtr_pemixed.c
View File

@ -14,15 +14,14 @@ static int free_xtr (void *xtr_obj);
//copied from bin_pe
//another check is used later to check for .NET only code
static bool check_bytes(const ut8 *bytes, ut64 sz){
unsigned int idx;
static bool check_bytes(const ut8 *bytes, ut64 sz) {
if (!bytes) {
return false;
}
if (sz <= 0x3d) { //less than size of MS-DOS header which is 64bytes
return false;
}
idx = (bytes[0x3c] | (bytes[0x3d]<<8));
ut32 idx = (bytes[0x3c] | (bytes[0x3d]<<8));
if (sz > idx + 0x18 + 2) {
/* Here PE signature for usual PE files
* and PL signature for Phar Lap TNT DOS extender 32bit executables

3
libr/include/r_bin.h
View File

@ -255,7 +255,8 @@ typedef struct r_bin_object_t {
void *bin_obj; // internal pointer used by formats
} RBinObject;
// XXX: this is a copy of RBinObject
// XXX: RbinFile may hold more than one RBinObject
/// XX curplugin == o->plugin
typedef struct r_bin_file_t {
char *file;
int fd;