mirror of
https://github.com/radareorg/radare2.git
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131 lines
2.9 KiB
C
131 lines
2.9 KiB
C
/* radare - LGPL - Copyright 2011-2015 - 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 "../../fs/types.h"
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//static char *fsname(RBinFile *arch) {
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static char *fsname(const ut8* buf, ut64 length) {
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ut8 fs_lbuf[1024];
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int i, j, len, ret = false;
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for (i = 0; fstypes[i].name; i++) {
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RFSType *f = &fstypes[i];
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len = R_MIN (f->buflen, sizeof (fs_lbuf));
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memset (fs_lbuf, 0, sizeof (fs_lbuf));
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if (f->bufoff + len > length) break;
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memcpy (fs_lbuf, buf + f->bufoff, len);
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if ((f->buflen > 0) && (len >= f->buflen)) {
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int min = R_MIN (f->buflen, sizeof (fs_lbuf));
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if (!memcmp (fs_lbuf, f->buf, min)) {
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ret = true;
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len = R_MIN (f->bytelen, sizeof (fs_lbuf));
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if (f->byteoff + len > length) break;
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memcpy (fs_lbuf, buf + f->byteoff, len);
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for (j = 0; j < f->bytelen; j++) {
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if (fs_lbuf[j] != f->byte) {
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ret = false;
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break;
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}
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}
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if (ret) return strdup (f->name);
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}
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}
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}
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return NULL;
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}
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static bool check_bytes(const ut8 *buf, ut64 length) {
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if (!buf || (st64)length < 1) {
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return false;
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}
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char *p = fsname (buf, length);
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free (p);
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return p != NULL;
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}
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static void * load_bytes(RBinFile *arch, const ut8 *buf, ut64 sz, ut64 loadaddr, Sdb *sdb){
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if (check_bytes (buf, sz)) {
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return R_NOTNULL;
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}
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return NULL;
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}
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static bool load(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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ut64 la = (arch && arch->o) ? arch->o->loadaddr: 0;
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return load_bytes (arch, bytes, sz, la, arch? arch->sdb: NULL) != NULL;
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}
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static int destroy(RBinFile *arch) {
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//r_bin_fs_free ((struct r_bin_fs_obj_t*)arch->o->bin_obj);
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return true;
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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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/* accelerate binary load */
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static RList *strings(RBinFile *arch) {
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return NULL;
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}
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static RBinInfo* info(RBinFile *arch) {
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RBinInfo *ret = NULL;
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const ut8 *bytes;
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ut64 sz;
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if (!arch) return NULL;
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bytes = r_buf_buffer (arch->buf);
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if (!bytes) return NULL;
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sz = arch->buf ? r_buf_size (arch->buf): 0;
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if (!(ret = R_NEW0 (RBinInfo)))
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return NULL;
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ret->file = arch->file? strdup (arch->file): NULL;
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ret->type = strdup ("fs");
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ret->bclass = strdup ("1.0");
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ret->rclass = strdup ("fs");
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ret->os = strdup ("any");
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ret->subsystem = strdup ("unknown");
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ret->machine = strdup ("any");
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ret->arch = fsname (bytes, sz);
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ret->has_va = 0;
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ret->bits = 32;
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ret->big_endian = 0;
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ret->dbg_info = 0;
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return ret;
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}
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RBinPlugin r_bin_plugin_fs = {
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.name = "fs",
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.desc = "filesystem bin plugin",
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.author = "pancake",
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.version = "1.0",
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.license = "LGPL3",
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.load = &load,
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.load_bytes = &load_bytes,
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.destroy = &destroy,
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.check_bytes = &check_bytes,
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.baddr = &baddr,
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.strings = &strings,
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.info = &info,
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};
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#ifndef CORELIB
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RLibStruct radare_plugin = {
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.type = R_LIB_TYPE_BIN,
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.data = &r_bin_plugin_fs,
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.version = R2_VERSION
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};
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#endif
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