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https://github.com/radareorg/radare2.git
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106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/* radare - LGPL - Copyright 2011-2015 - ninjahacker */
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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 "zimg/zimg.h"
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#define DEBUG_PRINTF 0
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#if DEBUG_PRINTF
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#define dprintf eprintf
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#else
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#define dprintf if (0)eprintf
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#endif
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static int check(RBinFile *arch);
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static int check_bytes(const ut8 *buf, ut64 length);
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static Sdb* get_sdb (RBinObject *o) {
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if (!o) return NULL;
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struct r_bin_zimg_obj_t *bin = (struct r_bin_zimg_obj_t *) o->bin_obj;
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if (bin->kv) return bin->kv;
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return NULL;
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}
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static void * load_bytes(RBinFile *arch, const ut8 *buf, ut64 size, ut64 loadaddr, Sdb *sdb){
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void *res = NULL;
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RBuffer *tbuf = NULL;
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if (!buf || size == 0 || size == UT64_MAX) return NULL;
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tbuf = r_buf_new ();
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r_buf_set_bytes (tbuf, buf, size);
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res = r_bin_zimg_new_buf (tbuf);
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r_buf_free (tbuf);
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return res;
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}
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static int load(RBinFile *arch) {
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const ut8 *bytes = arch ? r_buf_buffer (arch->buf) : NULL;
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ut64 size = arch ? r_buf_size (arch->buf): 0;
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if (!arch || !arch->o) return false;
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arch->o->bin_obj = load_bytes (arch, bytes, size, arch->o->loadaddr, arch->sdb);
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return arch->o->bin_obj ? true: false;
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}
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static ut64 baddr(RBinFile *arch) {
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return 0;
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}
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static int check(RBinFile *arch) {
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const ut8 *bytes = arch ? r_buf_buffer (arch->buf) : NULL;
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ut64 sz = arch ? r_buf_size (arch->buf): 0;
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return check_bytes (bytes, sz);
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}
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static int check_bytes(const ut8 *buf, ut64 length) {
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if (buf && length >= 8) {
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// Checking ARM zImage kernel
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if (!memcmp (buf, "\x00\x00\xa0\xe1\x00\x00\xa0\xe1", 8)) {
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return true;
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}
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}
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// TODO: Add other architectures
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return false;
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}
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static RBinInfo *info(RBinFile *arch) {
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RBinInfo *ret = R_NEW0 (RBinInfo);
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if (!ret) return NULL;
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ret->file = arch->file? strdup (arch->file): NULL;
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ret->type = strdup ("Linux zImage Kernel");
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ret->has_va = false;
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ret->bclass = strdup ("Compressed Linux Kernel");
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ret->rclass = strdup ("zimg");
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ret->os = strdup ("linux");
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ret->subsystem = strdup ("linux");
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ret->machine = strdup ("ARM"); // TODO: can be other cpus
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ret->arch = strdup ("arm");
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ret->lang = "C";
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ret->bits = 32;
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ret->big_endian = 0;
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ret->dbg_info = 0; //1 | 4 | 8; /* Stripped | LineNums | Syms */
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return ret;
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}
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struct r_bin_plugin_t r_bin_plugin_zimg = {
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.name = "zimg",
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.desc = "zimg format bin plugin",
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.license = "LGPL3",
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.get_sdb = &get_sdb,
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.load = &load,
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.load_bytes = &load_bytes,
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.check = &check,
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.check_bytes = &check_bytes,
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.baddr = &baddr,
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.info = &info,
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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,
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.data = &r_bin_plugin_zimg,
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.version = R2_VERSION
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};
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#endif
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