radare2/libr/bin/p/bin_fs.c
pancake 58371d6e2f Add rabin2 -N flag to set minimum string length
By default is 2, but PE which is 4
Sort rabin2 -h flags alphabetically
Add r_bin plugin-specific minimum string length
New r_list_newf() constructor which replaces the hacky R_LIST_NEW macro
2012-12-09 01:39:27 +01:00

120 lines
2.5 KiB
C

/* radare - LGPL - Copyright 2011-2012 - pancake */
#include <r_types.h>
#include <r_util.h>
#include <r_lib.h>
#include <r_bin.h>
#include "../../fs/types.h"
static int check(RBinArch *arch);
static char *fsname(RBinArch *arch) {
ut8 buf[1024];
int i, j, len, ret = R_FALSE;
for (i=0; fstypes[i].name; i++) {
RFSType *f = &fstypes[i];
len = R_MIN (f->buflen, sizeof (buf));
r_buf_read_at (arch->buf, f->bufoff, buf, len);
if (f->buflen>0 && !memcmp (buf, f->buf, f->buflen)) {
ret = R_TRUE;
len = R_MIN (f->bytelen, sizeof (buf));
r_buf_read_at (arch->buf, f->byteoff, buf, len);
for (j=0; j<f->bytelen; j++) {
if (buf[j] != f->byte) {
ret = R_FALSE;
break;
}
}
if (ret) return strdup (f->name);
}
}
return NULL;
}
static int load(RBinArch *arch) {
if (check (arch))
return R_TRUE;
return R_FALSE;
}
static int destroy(RBinArch *arch) {
//r_bin_fs_free ((struct r_bin_fs_obj_t*)arch->bin_obj);
return R_TRUE;
}
static ut64 baddr(RBinArch *arch) {
return 0;
}
/* accelerate binary load */
static RList *strings(RBinArch *arch) {
return NULL;
}
static RBinInfo* info(RBinArch *arch) {
char *p;
RBinInfo *ret = NULL;
if (!(ret = R_NEW (RBinInfo)))
return NULL;
memset (ret, '\0', sizeof (RBinInfo));
ret->lang = NULL;
strncpy (ret->file, arch->file, R_BIN_SIZEOF_STRINGS-1);
strncpy (ret->rpath, "NONE", R_BIN_SIZEOF_STRINGS-1);
strncpy (ret->type, "fs", sizeof (ret->type)-1); // asm.arch
strncpy (ret->bclass, "1.0", sizeof (ret->bclass)-1);
strncpy (ret->rclass, "fs", sizeof (ret->rclass)-1); // file.type
strncpy (ret->os, "any", sizeof (ret->os)-1);
strncpy (ret->subsystem, "unknown", sizeof (ret->subsystem)-1);
strncpy (ret->machine, "any", sizeof (ret->machine)-1);
p = fsname (arch);
strncpy (ret->arch, p, sizeof (ret->arch)-1);
free (p);
ret->has_va = 0;
ret->bits = 32;
ret->big_endian = 0;
ret->dbg_info = 0;
return ret;
}
static int check(RBinArch *arch) {
char *p;
int ret;
p = fsname (arch);
ret = (p)? R_TRUE: R_FALSE;
free (p);
return ret;
}
struct r_bin_plugin_t r_bin_plugin_fs = {
.name = "fs",
.desc = "filesystem bin plugin",
.init = NULL,
.fini = NULL,
.load = &load,
.destroy = &destroy,
.check = &check,
.baddr = &baddr,
.binsym = NULL,
.entries = NULL,
.sections = NULL,
.symbols = NULL,
.imports = NULL,
.strings = &strings,
.info = &info,
.fields = NULL,
.libs = NULL,
.relocs = NULL,
.meta = NULL,
.write = NULL,
.demangle_type = NULL
};
#ifndef CORELIB
struct r_lib_struct_t radare_plugin = {
.type = R_LIB_TYPE_BIN,
.data = &r_bin_plugin_fs
};
#endif