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https://github.com/radareorg/radare2.git
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81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
/* radare - LGPL - Copyright 2009-2013 - nibble, pancake */
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#include <r_types.h>
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#include <r_util.h>
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#include <r_lib.h>
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#include <r_bin.h>
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#include "mach0/fatmach0.h"
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static int check(RBin *bin) {
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ut8 *h, buf[4];
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int off, ret = R_FALSE;
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RMmap *m = r_file_mmap (bin->file, R_FALSE, 0);
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if (!m || !m->buf) {
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r_file_mmap_free (m);
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return R_FALSE;
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}
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h = m->buf;
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if (m->len>=0x300 && !memcmp (h, "\xca\xfe\xba\xbe", 4)) {
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memcpy (&off, h+4*sizeof (int), sizeof (int));
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r_mem_copyendian ((ut8*)&off, (ut8*)&off, sizeof(int), !LIL_ENDIAN);
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if (off > 0 && off < m->len) {
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memcpy (buf, h+off, 4);
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if (!memcmp (buf, "\xce\xfa\xed\xfe", 4) ||
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!memcmp (buf, "\xfe\xed\xfa\xce", 4) ||
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!memcmp (buf, "\xfe\xed\xfa\xcf", 4) ||
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!memcmp (buf, "\xcf\xfa\xed\xfe", 4))
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ret = R_TRUE;
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}
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}
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r_file_mmap_free (m);
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return ret;
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}
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static int destroy(RBin *bin) {
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r_bin_fatmach0_free ((struct r_bin_fatmach0_obj_t*)bin->bin_obj);
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return R_TRUE;
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}
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static int load(RBin *bin) {
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return (bin->bin_obj = r_bin_fatmach0_new (bin->file))?
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R_TRUE: R_FALSE;
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}
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static int size(RBin *bin) {
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// TODO
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return 0;
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}
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static int extract(RBin *bin, int idx) {
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int narch;
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struct r_bin_fatmach0_obj_t *fb = bin->bin_obj;
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struct r_bin_fatmach0_arch_t *arch =
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r_bin_fatmach0_extract (fb, idx, &narch);
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if (!arch) return 0;
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bin->cur.file = strdup (bin->file);
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bin->cur.buf = arch->b;
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bin->cur.size = arch->size;
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bin->cur.offset = arch->offset;
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free (arch);
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return narch;
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}
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struct r_bin_xtr_plugin_t r_bin_xtr_plugin_fatmach0 = {
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.name = "fatmach0",
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.desc = "fat mach0 bin extractor plugin",
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.init = NULL,
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.fini = NULL,
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.check = &check,
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.load = &load,
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.size = &size,
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.extract = &extract,
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.destroy = &destroy,
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};
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#ifndef CORELIB
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struct r_lib_struct_t radare_plugin = {
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.type = R_LIB_TYPE_BIN_XTR,
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.data = &r_bin_xtr_plugin_fatmach0
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};
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#endif
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