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radare2/libr/bin/bin.c

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/* radare2 - LGPL - Copyright 2009-2020 - pancake, nibble, dso */
#include <r_bin.h>
#include <r_types.h>
#include <r_util.h>
#include <r_lib.h>
#include <r_io.h>
#include <config.h>
#include "i/private.h"
R_LIB_VERSION (r_bin);
#define DB a->sdb;
#define RBINLISTFREE(x)\
if (x) { \
r_list_free (x);\
(x) = NULL;\
}
#define ARCHS_KEY "archs"
#if !defined(R_BIN_STATIC_PLUGINS)
#define R_BIN_STATIC_PLUGINS 0
#endif
#if !defined(R_BIN_XTR_STATIC_PLUGINS)
#define R_BIN_XTR_STATIC_PLUGINS 0
#endif
#if !defined(R_BIN_LDR_STATIC_PLUGINS)
#define R_BIN_LDR_STATIC_PLUGINS 0
#endif
static RBinPlugin *bin_static_plugins[] = { R_BIN_STATIC_PLUGINS, NULL };
static RBinXtrPlugin *bin_xtr_static_plugins[] = { R_BIN_XTR_STATIC_PLUGINS, NULL };
static RBinLdrPlugin *bin_ldr_static_plugins[] = { R_BIN_LDR_STATIC_PLUGINS, NULL };
static int __getoffset(RBin *bin, int type, int idx) {
RBinFile *a = r_bin_cur (bin);
RBinPlugin *plugin = r_bin_file_cur_plugin (a);
if (plugin && plugin->get_offset) {
return plugin->get_offset (a, type, idx);
}
return -1;
}
static const char *__getname(RBin *bin, int type, int idx, bool sd) {
RBinFile *a = r_bin_cur (bin);
RBinPlugin *plugin = r_bin_file_cur_plugin (a);
if (plugin && plugin->get_name) {
return plugin->get_name (a, type, idx, sd);
}
return NULL;
}
static ut64 binobj_a2b(RBinObject *o, ut64 addr) {
return o ? addr + o->baddr_shift : addr;
}
// TODO: move these two function do a different file
R_API RBinXtrData *r_bin_xtrdata_new(RBuffer *buf, ut64 offset, ut64 size, ut32 file_count, RBinXtrMetadata *metadata) {
RBinXtrData *data = R_NEW0 (RBinXtrData);
if (data) {
data->offset = offset;
data->size = size;
data->file_count = file_count;
data->metadata = metadata;
data->loaded = 0;
// don't slice twice TODO. review this
data->buf = r_buf_ref (buf); // r_buf_new_slice (buf, offset, size);
}
return data;
}
R_API const char *r_bin_string_type(int type) {
switch (type) {
case 'a': return "ascii";
case 'u': return "utf8";
case 'w': return "utf16le";
case 'W': return "utf32le";
case 'b': return "base64";
}
return "ascii"; // XXX
}
R_API void r_bin_xtrdata_free(void /*RBinXtrData*/ *data_) {
RBinXtrData *data = data_;
r_return_if_fail (data);
if (data->metadata) {
free (data->metadata->libname);
free (data->metadata->arch);
free (data->metadata->machine);
free (data->metadata);
}
free (data->file);
r_buf_free (data->buf);
free (data);
}
R_API RList *r_bin_raw_strings(RBinFile *bf, int min) {
r_return_val_if_fail (bf, NULL);
return r_bin_file_get_strings (bf, min, 0, 2);
}
R_API RList *r_bin_dump_strings(RBinFile *bf, int min, int raw) {
r_return_val_if_fail (bf, NULL);
return r_bin_file_get_strings (bf, min, 1, raw);
}
R_API void r_bin_options_init(RBinOptions *opt, int fd, ut64 baseaddr, ut64 loadaddr, int rawstr) {
memset (opt, 0, sizeof (*opt));
opt->baseaddr = baseaddr;
opt->loadaddr = loadaddr;
opt->fd = fd;
opt->rawstr = rawstr;
}
R_API void r_bin_arch_options_init(RBinArchOptions *opt, const char *arch, int bits) {
opt->arch = arch? arch: R_SYS_ARCH;
opt->bits = bits? bits: R_SYS_BITS;
}
R_API void r_bin_file_hash_free(RBinFileHash *fhash) {
if (fhash) {
R_FREE (fhash->type);
R_FREE (fhash->hex);
free (fhash);
}
}
R_API void r_bin_info_free(RBinInfo *rb) {
if (!rb) {
return;
}
r_list_free (rb->file_hashes);
free (rb->intrp);
free (rb->file);
free (rb->type);
free (rb->bclass);
free (rb->rclass);
free (rb->arch);
free (rb->cpu);
free (rb->machine);
free (rb->os);
free (rb->subsystem);
free (rb->default_cc);
free (rb->rpath);
free (rb->guid);
free (rb->debug_file_name);
free (rb->actual_checksum);
free (rb->claimed_checksum);
free (rb->compiler);
free (rb->head_flag);
free (rb);
}
R_API RBinImport *r_bin_import_clone(RBinImport *o) {
r_return_val_if_fail (o, NULL);
RBinImport *res = r_mem_dup (o, sizeof (*o));
if (res) {
res->name = R_STR_DUP (o->name);
res->classname = R_STR_DUP (o->classname);
res->descriptor = R_STR_DUP (o->descriptor);
}
return res;
}
R_API void r_bin_import_free(void *_imp) {
RBinImport *imp = (RBinImport *)_imp;
if (imp) {
R_FREE (imp->name);
R_FREE (imp->libname);
R_FREE (imp->classname);
R_FREE (imp->descriptor);
free (imp);
}
}
R_API const char *r_bin_symbol_name(RBinSymbol *s) {
if (s->dup_count) {
return sdb_fmt ("%s_%d", s->name, s->dup_count);
}
return s->name;
}
R_API RBinSymbol *r_bin_symbol_new(const char *name, ut64 paddr, ut64 vaddr) {
RBinSymbol *sym = R_NEW0 (RBinSymbol);
if (sym) {
sym->name = name? strdup (name): NULL;
sym->paddr = paddr;
sym->vaddr = vaddr;
}
return sym;
}
R_API void r_bin_symbol_free(void *_sym) {
RBinSymbol *sym = (RBinSymbol *)_sym;
if (sym) {
free (sym->name);
free (sym->libname);
free (sym->classname);
free (sym);
}
}
R_API void r_bin_string_free(void *_str) {
RBinString *str = (RBinString *)_str;
if (str) {
free (str->string);
free (str);
}
}
// XXX - change this to RBinObject instead of RBinFile
// makes no sense to pass in a binfile and set the RBinObject
// kinda a clunky functions
// XXX - this is a rather hacky way to do things, there may need to be a better
// way.
R_API bool r_bin_open(RBin *bin, const char *file, RBinOptions *opt) {
r_return_val_if_fail (bin && bin->iob.io && opt, false);
RIOBind *iob = &(bin->iob);
if (!iob->desc_get (iob->io, opt->fd)) {
opt->fd = iob->fd_open (iob->io, file, R_PERM_R, 0644);
}
if (opt->fd < 0) {
eprintf ("Couldn't open bin for file '%s'\n", file);
return false;
}
opt->sz = 0;
opt->pluginname = NULL;
return r_bin_open_io (bin, opt);
}
R_API bool r_bin_reload(RBin *bin, ut32 bf_id, ut64 baseaddr) {
r_return_val_if_fail (bin, false);
RBinFile *bf = r_bin_file_find_by_id (bin, bf_id);
if (!bf) {
eprintf ("r_bin_reload: No file to reopen\n");
return false;
}
RBinOptions opt;
r_bin_options_init (&opt, bf->fd, baseaddr, bf->loadaddr, bin->rawstr);
opt.filename = bf->file;
bool res = r_bin_open_buf (bin, bf->buf, &opt);
r_bin_file_delete (bin, bf->id);
return res;
}
R_API bool r_bin_open_buf(RBin *bin, RBuffer *buf, RBinOptions *opt) {
r_return_val_if_fail (bin && opt, false);
RListIter *it;
RBinXtrPlugin *xtr;
bin->rawstr = opt->rawstr;
bin->file = opt->filename;
if (opt->loadaddr == UT64_MAX) {
opt->loadaddr = 0;
}
RBinFile *bf = NULL;
if (bin->use_xtr && !opt->pluginname) {
// XXX - for the time being this is fine, but we may want to
// change the name to something like
// <xtr_name>:<bin_type_name>
r_list_foreach (bin->binxtrs, it, xtr) {
if (!xtr->check_buffer) {
eprintf ("Missing check_buffer callback for '%s'\n", xtr->name);
continue;
}
if (xtr->check_buffer (buf)) {
if (xtr->extract_from_buffer || xtr->extractall_from_buffer ||
xtr->extract_from_bytes || xtr->extractall_from_bytes) {
bf = r_bin_file_xtr_load_buffer (bin, xtr,
bin->file, buf, opt->baseaddr, opt->loadaddr,
opt->xtr_idx, opt->fd, bin->rawstr);
}
}
}
}
if (!bf) {
// Uncomment for this speedup: 20s vs 22s
// RBuffer *buf = r_buf_new_slurp (bin->file);
bf = r_bin_file_new_from_buffer (bin, bin->file, buf, bin->rawstr,
opt->baseaddr, opt->loadaddr, opt->fd, opt->pluginname);
if (!bf) {
return false;
}
}
if (!r_bin_file_set_cur_binfile (bin, bf)) {
return false;
}
r_id_storage_set (bin->ids, bin->cur, bf->id);
return true;
}
R_API bool r_bin_open_io(RBin *bin, RBinOptions *opt) {
r_return_val_if_fail (bin && opt && bin->iob.io, false);
r_return_val_if_fail (opt->fd >= 0 && (st64)opt->sz >= 0, false);
RIOBind *iob = &(bin->iob);
RIO *io = iob? iob->io: NULL;
bool is_debugger = iob->fd_is_dbg (io, opt->fd);
const char *fname = iob->fd_get_name (io, opt->fd);
if (opt->loadaddr == UT64_MAX) {
opt->loadaddr = 0;
}
// Create RBuffer from the opened file
// When debugging something, we want to open the backed file because
// not all binary info are mapped in the virtual space. If that is not
// possible (e.g. remote file) just try to load bin info from the
// debugee process.
RBuffer *buf = NULL;
if (is_debugger) {
buf = r_buf_new_file (fname, O_RDONLY, 0);
is_debugger = false;
}
if (!buf) {
buf = r_buf_new_with_io (&bin->iob, opt->fd);
}
if (!buf) {
return false;
}
if (!opt->sz) {
opt->sz = r_buf_size (buf);
}
// Slice buffer if necessary
RBuffer *slice = buf;
if (!is_debugger && (opt->loadaddr != 0 || opt->sz != r_buf_size (buf))) {
slice = r_buf_new_slice (buf, opt->loadaddr, opt->sz);
} else if (is_debugger && opt->baseaddr != UT64_MAX && opt->baseaddr != 0) {
slice = r_buf_new_slice (buf, opt->baseaddr, opt->sz);
}
if (slice != buf) {
r_buf_free (buf);
buf = slice;
}
opt->filename = fname;
bool res = r_bin_open_buf (bin, buf, opt);
r_buf_free (buf);
return res;
}
R_IPI RBinPlugin *r_bin_get_binplugin_by_name(RBin *bin, const char *name) {
RBinPlugin *plugin;
RListIter *it;
r_return_val_if_fail (bin && name, NULL);
r_list_foreach (bin->plugins, it, plugin) {
if (!strcmp (plugin->name, name)) {
return plugin;
}
}
return NULL;
}
R_API RBinPlugin *r_bin_get_binplugin_by_buffer(RBin *bin, RBuffer *buf) {
RBinPlugin *plugin;
RListIter *it;
r_return_val_if_fail (bin && buf, NULL);
r_list_foreach (bin->plugins, it, plugin) {
if (plugin->check_buffer) {
if (plugin->check_buffer (buf)) {
return plugin;
}
}
}
return NULL;
}
R_IPI RBinXtrPlugin *r_bin_get_xtrplugin_by_name(RBin *bin, const char *name) {
RBinXtrPlugin *xtr;
RListIter *it;
r_return_val_if_fail (bin && name, NULL);
// TODO: use a hashtable here
r_list_foreach (bin->binxtrs, it, xtr) {
if (!strcmp (xtr->name, name)) {
return xtr;
}
// must be set to null
xtr = NULL;
}
return NULL;
}
static void r_bin_plugin_free(RBinPlugin *p) {
if (p && p->fini) {
p->fini (NULL);
}
R_FREE (p);
}
// rename to r_bin_plugin_add like the rest
R_API bool r_bin_add(RBin *bin, RBinPlugin *foo) {
RListIter *it;
RBinPlugin *plugin;
r_return_val_if_fail (bin && foo, false);
if (foo->init) {
foo->init (bin->user);
}
r_list_foreach (bin->plugins, it, plugin) {
if (!strcmp (plugin->name, foo->name)) {
return false;
}
}
plugin = R_NEW0 (RBinPlugin);
memcpy (plugin, foo, sizeof (RBinPlugin));
r_list_append (bin->plugins, plugin);
return true;
}
R_API bool r_bin_ldr_add(RBin *bin, RBinLdrPlugin *foo) {
RListIter *it;
RBinLdrPlugin *ldr;
r_return_val_if_fail (bin && foo, false);
if (foo->init) {
foo->init (bin->user);
}
// avoid duplicates
r_list_foreach (bin->binldrs, it, ldr) {
if (!strcmp (ldr->name, foo->name)) {
return false;
}
}
r_list_append (bin->binldrs, foo);
return true;
}
R_API bool r_bin_xtr_add(RBin *bin, RBinXtrPlugin *foo) {
RListIter *it;
RBinXtrPlugin *xtr;
r_return_val_if_fail (bin && foo, false);
if (foo->init) {
foo->init (bin->user);
}
// avoid duplicates
r_list_foreach (bin->binxtrs, it, xtr) {
if (!strcmp (xtr->name, foo->name)) {
return false;
}
}
r_list_append (bin->binxtrs, foo);
return true;
}
R_API void r_bin_free(RBin *bin) {
if (bin) {
bin->file = NULL;
free (bin->force);
free (bin->srcdir);
free (bin->strenc);
//r_bin_free_bin_files (bin);
r_list_free (bin->binfiles);
r_list_free (bin->binxtrs);
r_list_free (bin->plugins);
r_list_free (bin->binldrs);
sdb_free (bin->sdb);
r_id_storage_free (bin->ids);
r_str_constpool_fini (&bin->constpool);
free (bin);
}
}
static bool r_bin_print_plugin_details(RBin *bin, RBinPlugin *bp, int json) {
if (json == 'q') {
bin->cb_printf ("%s\n", bp->name);
} else if (json) {
bin->cb_printf (
"{\"name\":\"%s\",\"description\":\"%s\","
"\"license\":\"%s\"}\n",
bp->name, bp->desc, bp->license? bp->license: "???");
} else {
bin->cb_printf ("Name: %s\n", bp->name);
bin->cb_printf ("Description: %s\n", bp->desc);
if (bp->license) {
bin->cb_printf ("License: %s\n", bp->license);
}
if (bp->version) {
bin->cb_printf ("Version: %s\n", bp->version);
}
if (bp->author) {
bin->cb_printf ("Author: %s\n", bp->author);
}
}
return true;
}
static void __printXtrPluginDetails(RBin *bin, RBinXtrPlugin *bx, int json) {
if (json == 'q') {
bin->cb_printf ("%s\n", bx->name);
} else if (json) {
bin->cb_printf (
"{\"name\":\"%s\",\"description\":\"%s\","
"\"license\":\"%s\"}\n",
bx->name, bx->desc, bx->license? bx->license: "???");
} else {
bin->cb_printf ("Name: %s\n", bx->name);
bin->cb_printf ("Description: %s\n", bx->desc);
if (bx->license) {
bin->cb_printf ("License: %s\n", bx->license);
}
}
}
R_API bool r_bin_list_plugin(RBin *bin, const char* name, int json) {
RListIter *it;
RBinPlugin *bp;
RBinXtrPlugin *bx;
r_return_val_if_fail (bin && name, false);
r_list_foreach (bin->plugins, it, bp) {
if (!r_str_cmp (name, bp->name, strlen (name))) {
continue;
}
return r_bin_print_plugin_details (bin, bp, json);
}
r_list_foreach (bin->binxtrs, it, bx) {
if (!r_str_cmp (name, bx->name, strlen (name))) {
continue;
}
__printXtrPluginDetails (bin, bx, json);
return true;
}
eprintf ("Cannot find plugin %s\n", name);
return false;
}
R_API void r_bin_list(RBin *bin, int format) {
RListIter *it;
RBinPlugin *bp;
RBinXtrPlugin *bx;
RBinLdrPlugin *ld;
if (format == 'q') {
r_list_foreach (bin->plugins, it, bp) {
bin->cb_printf ("%s\n", bp->name);
}
r_list_foreach (bin->binxtrs, it, bx) {
bin->cb_printf ("%s\n", bx->name);
}
} else if (format) {
int i;
i = 0;
bin->cb_printf ("{\"bin\":[");
r_list_foreach (bin->plugins, it, bp) {
bin->cb_printf (
"%s{\"name\":\"%s\",\"description\":\"%s\","
"\"license\":\"%s\"}",
i? ",": "", bp->name, bp->desc, bp->license? bp->license: "???");
i++;
}
i = 0;
bin->cb_printf ("],\"xtr\":[");
r_list_foreach (bin->binxtrs, it, bx) {
bin->cb_printf (
"%s{\"name\":\"%s\",\"description\":\"%s\","
"\"license\":\"%s\"}",
i? ",": "", bx->name, bx->desc, bx->license? bx->license: "???");
i++;
}
i = 0;
bin->cb_printf ("],\"ldr\":[");
r_list_foreach (bin->binxtrs, it, ld) {
bin->cb_printf (
"%s{\"name\":\"%s\",\"description\":\"%s\","
"\"license\":\"%s\"}",
i? ",": "", ld->name, ld->desc, ld->license? ld->license: "???");
i++;
}
bin->cb_printf ("]}\n");
} else {
r_list_foreach (bin->plugins, it, bp) {
bin->cb_printf ("bin %-11s %s (%s) %s %s\n",
bp->name, bp->desc, bp->license? bp->license: "???",
bp->version? bp->version: "",
bp->author? bp->author: "");
}
r_list_foreach (bin->binxtrs, it, bx) {
const char *name = strncmp (bx->name, "xtr.", 4)? bx->name : bx->name + 3;
bin->cb_printf ("xtr %-11s %s (%s)\n", name,
bx->desc, bx->license? bx->license: "???");
}
r_list_foreach (bin->binldrs, it, ld) {
const char *name = strncmp (ld->name, "ldr.", 4)? ld->name : ld->name + 3;
bin->cb_printf ("ldr %-11s %s (%s)\n", name,
ld->desc, ld->license? ld->license: "???");
}
}
}
/* returns the base address of bin or UT64_MAX in case of errors */
R_API ut64 r_bin_get_baddr(RBin *bin) {
r_return_val_if_fail (bin, UT64_MAX);
return r_bin_file_get_baddr (bin->cur);
}
/* returns the load address of bin or UT64_MAX in case of errors */
R_API ut64 r_bin_get_laddr(RBin *bin) {
r_return_val_if_fail (bin, UT64_MAX);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->loadaddr : UT64_MAX;
}
// TODO: should be RBinFile specific imho
R_API void r_bin_set_baddr(RBin *bin, ut64 baddr) {
r_return_if_fail (bin);
RBinFile *bf = r_bin_cur (bin);
RBinObject *o = r_bin_cur_object (bin);
if (o) {
if (!o->plugin || !o->plugin->baddr) {
return;
}
ut64 file_baddr = o->plugin->baddr (bf);
if (baddr == UT64_MAX) {
o->baddr = file_baddr;
o->baddr_shift = 0; // o->baddr; // - file_baddr;
} else {
if (file_baddr != UT64_MAX) {
o->baddr = baddr;
o->baddr_shift = baddr - file_baddr;
}
}
} else {
eprintf ("Warning: This should be an assert probably.\n");
}
// XXX - update all the infos?
// maybe in RBinFile.rebase() ?
}
R_API RBinAddr *r_bin_get_sym(RBin *bin, int sym) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
if (sym < 0 || sym >= R_BIN_SYM_LAST) {
return NULL;
}
return o? o->binsym[sym]: NULL;
}
// XXX: those accessors are redundant
R_API RList *r_bin_get_entries(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->entries : NULL;
}
R_API RList *r_bin_get_fields(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->fields : NULL;
}
R_API RList *r_bin_get_imports(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->imports : NULL;
}
R_API RBinInfo *r_bin_get_info(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->info : NULL;
}
R_API RList *r_bin_get_libs(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->libs : NULL;
}
static RList *relocs_rbtree2list(RBNode *root) {
RList *res = r_list_new ();
RBinReloc *reloc;
RBIter it;
r_rbtree_foreach (root, it, reloc, RBinReloc, vrb) {
r_list_append (res, reloc);
}
return res;
}
R_API RBNode *r_bin_patch_relocs(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o? r_bin_object_patch_relocs (bin, o): NULL;
}
// return a list of <const RBinReloc> that needs to be freed by the caller
R_API RList *r_bin_patch_relocs_list(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBNode *root = r_bin_patch_relocs (bin);
return root? relocs_rbtree2list (root): NULL;
}
R_API RBNode *r_bin_get_relocs(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->relocs : NULL;
}
// return a list of <const RBinReloc> that needs to be freed by the caller
R_API RList *r_bin_get_relocs_list(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBNode *root = r_bin_get_relocs (bin);
return root? relocs_rbtree2list (root): NULL;
}
R_API RList *r_bin_get_sections(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->sections : NULL;
}
R_API RBinSection *r_bin_get_section_at(RBinObject *o, ut64 off, int va) {
RBinSection *section;
RListIter *iter;
ut64 from, to;
r_return_val_if_fail (o, NULL);
// TODO: must be O(1) .. use sdb here
r_list_foreach (o->sections, iter, section) {
if (section->is_segment) {
continue;
}
from = va ? binobj_a2b (o, section->vaddr) : section->paddr;
to = from + (va ? section->vsize: section->size);
if (off >= from && off < to) {
return section;
}
}
return NULL;
}
R_API RList *r_bin_reset_strings(RBin *bin) {
RBinFile *bf = r_bin_cur (bin);
if (!bf || !bf->o) {
return NULL;
}
if (bf->o->strings) {
r_list_free (bf->o->strings);
bf->o->strings = NULL;
}
bf->rawstr = bin->rawstr;
RBinPlugin *plugin = r_bin_file_cur_plugin (bf);
if (plugin && plugin->strings) {
bf->o->strings = plugin->strings (bf);
} else {
bf->o->strings = r_bin_file_get_strings (bf, bin->minstrlen, 0, bf->rawstr);
}
if (bin->debase64) {
r_bin_object_filter_strings (bf->o);
}
return bf->o->strings;
}
R_API RList *r_bin_get_strings(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->strings : NULL;
}
R_API int r_bin_is_string(RBin *bin, ut64 va) {
RBinString *string;
RListIter *iter;
RList *list;
if (!(list = r_bin_get_strings (bin))) {
return false;
}
r_list_foreach (list, iter, string) {
if (string->vaddr == va) {
return true;
}
if (string->vaddr > va) {
return false;
}
}
return false;
}
R_API RList *r_bin_get_symbols(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o? o->symbols: NULL;
}
R_API RList *r_bin_get_mem(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->mem : NULL;
}
R_API int r_bin_is_big_endian(RBin *bin) {
r_return_val_if_fail (bin, -1);
RBinObject *o = r_bin_cur_object (bin);
return (o && o->info) ? o->info->big_endian : -1;
}
R_API int r_bin_is_static(RBin *bin) {
r_return_val_if_fail (bin, false);
RBinObject *o = r_bin_cur_object (bin);
if (o && o->libs && r_list_length (o->libs) > 0) {
return R_BIN_DBG_STATIC & o->info->dbg_info;
}
return true;
}
R_API RBin *r_bin_new(void) {
int i;
RBinXtrPlugin *static_xtr_plugin;
RBinLdrPlugin *static_ldr_plugin;
RBin *bin = R_NEW0 (RBin);
if (!bin) {
return NULL;
}
if (!r_str_constpool_init (&bin->constpool)) {
goto trashbin;
}
bin->force = NULL;
bin->filter_rules = UT64_MAX;
bin->sdb = sdb_new0 ();
bin->cb_printf = (PrintfCallback)printf;
bin->plugins = r_list_newf ((RListFree)r_bin_plugin_free);
bin->minstrlen = 0;
bin->strpurge = NULL;
bin->strenc = NULL;
bin->want_dbginfo = true;
bin->cur = NULL;
bin->ids = r_id_storage_new (0, ST32_MAX);
/* bin parsers */
bin->binfiles = r_list_newf ((RListFree)r_bin_file_free);
for (i = 0; bin_static_plugins[i]; i++) {
r_bin_add (bin, bin_static_plugins[i]);
}
/* extractors */
bin->binxtrs = r_list_new ();
bin->binxtrs->free = free;
for (i = 0; bin_xtr_static_plugins[i]; i++) {
static_xtr_plugin = R_NEW0 (RBinXtrPlugin);
if (!static_xtr_plugin) {
goto trashbin_binxtrs;
}
*static_xtr_plugin = *bin_xtr_static_plugins[i];
r_bin_xtr_add (bin, static_xtr_plugin);
}
/* loaders */
bin->binldrs = r_list_new ();
bin->binldrs->free = free;
for (i = 0; bin_ldr_static_plugins[i]; i++) {
static_ldr_plugin = R_NEW0 (RBinLdrPlugin);
if (!static_ldr_plugin) {
goto trashbin_binldrs;
}
*static_ldr_plugin = *bin_ldr_static_plugins[i];
r_bin_ldr_add (bin, static_ldr_plugin);
}
return bin;
trashbin_binldrs:
r_list_free (bin->binldrs);
trashbin_binxtrs:
r_list_free (bin->binxtrs);
r_list_free (bin->binfiles);
r_id_storage_free (bin->ids);
r_str_constpool_fini (&bin->constpool);
trashbin:
free(bin);
return NULL;
}
R_API bool r_bin_use_arch(RBin *bin, const char *arch, int bits, const char *name) {
r_return_val_if_fail (bin && arch, false);
RBinFile *binfile = r_bin_file_find_by_arch_bits (bin, arch, bits);
if (!binfile) {
R_LOG_WARN ("Cannot find binfile with arch/bits %s/%d\n", arch, bits);
return false;
}
RBinObject *obj = r_bin_object_find_by_arch_bits (binfile, arch, bits, name);
if (!obj && binfile->xtr_data) {
RBinXtrData *xtr_data = r_list_get_n (binfile->xtr_data, 0);
if (xtr_data && !xtr_data->loaded) {
if (!r_bin_file_object_new_from_xtr_data (bin, binfile,
UT64_MAX, r_bin_get_laddr (bin), xtr_data)) {
return false;
}
}
obj = binfile->o;
}
return r_bin_file_set_obj (bin, binfile, obj);
}
R_API bool r_bin_select(RBin *bin, const char *arch, int bits, const char *name) {
r_return_val_if_fail (bin, false);
RBinFile *cur = r_bin_cur (bin);
RBinObject *obj = NULL;
name = !name && cur? cur->file: name;
RBinFile *binfile = r_bin_file_find_by_arch_bits (bin, arch, bits);
if (binfile && name) {
obj = r_bin_object_find_by_arch_bits (binfile, arch, bits, name);
}
return r_bin_file_set_obj (bin, binfile, obj);
}
R_API int r_bin_select_object(RBinFile *binfile, const char *arch, int bits, const char *name) {
r_return_val_if_fail (binfile, false);
RBinObject *obj = r_bin_object_find_by_arch_bits (binfile, arch, bits, name);
return r_bin_file_set_obj (binfile->rbin, binfile, obj);
}
// NOTE: this functiona works as expected, but we need to merge bfid and boid
R_API bool r_bin_select_bfid (RBin *bin, ut32 bf_id) {
r_return_val_if_fail (bin, false);
RBinFile *bf = r_bin_file_find_by_id (bin, bf_id);
return bf? r_bin_file_set_obj (bin, bf, NULL): false;
}
static void list_xtr_archs(RBin *bin, int mode) {
RBinFile *binfile = r_bin_cur (bin);
if (binfile->xtr_data) {
RListIter *iter_xtr;
RBinXtrData *xtr_data;
int bits, i = 0;
char *arch, *machine;
if (mode == 'j') {
bin->cb_printf ("\"bins\":[");
}
r_list_foreach (binfile->xtr_data, iter_xtr, xtr_data) {
if (!xtr_data || !xtr_data->metadata ||
!xtr_data->metadata->arch) {
continue;
}
arch = xtr_data->metadata->arch;
machine = xtr_data->metadata->machine;
bits = xtr_data->metadata->bits;
switch (mode) {
case 'q': // "iAq"
bin->cb_printf ("%s\n", arch);
break;
case 'j': { // "iAj"
PJ * pj = pj_new ();
pj_o (pj);
pj_a (pj);
pj_ks (pj, "arch", arch);
pj_ki (pj, "bits", bits);
pj_ki (pj, "offset", xtr_data->offset);
pj_kn (pj, "size", xtr_data->size);
if (machine) {
pj_ks (pj, "machine", machine);
}
pj_end (pj);
pj_end (pj);
bin->cb_printf ("%s\n", pj_string (pj));
pj_free (pj);
break;
}
default:
bin->cb_printf ("%03i 0x%08" PFMT64x
" %" PFMT64d " %s_%i %s\n",
i++, xtr_data->offset,
xtr_data->size, arch, bits,
machine);
break;
}
}
if (mode == 'j') {
bin->cb_printf ("]");
}
}
}
R_API void r_bin_list_archs(RBin *bin, int mode) {
r_return_if_fail (bin);
int i = 0;
char unk[128];
char archline[256];
RBinFile *binfile = r_bin_cur (bin);
RTable *table = r_table_new ();
const char *name = binfile? binfile->file: NULL;
int narch = binfile? binfile->narch: 0;
//are we with xtr format?
if (binfile && binfile->curxtr) {
list_xtr_archs (bin, mode);
r_table_free (table);
return;
}
Sdb *binfile_sdb = binfile? binfile->sdb: NULL;
if (!binfile_sdb) {
// eprintf ("Cannot find SDB!\n");
r_table_free (table);
return;
}
if (!binfile) {
// eprintf ("Binary format not currently loaded!\n");
r_table_free (table);
return;
}
sdb_unset (binfile_sdb, ARCHS_KEY, 0);
PJ *pj = pj_new ();
pj_o (pj);
if (mode == 'j') {
pj_k (pj, "bins");
pj_a (pj);
}
RBinFile *nbinfile = r_bin_file_find_by_name_n (bin, name, i);
if (!nbinfile) {
pj_free (pj);
r_table_free (table);
return;
}
i = -1;
RBinObject *obj = nbinfile->o;
RBinInfo *info = obj->info;
char bits = info? info->bits: 0;
ut64 boffset = obj->boffset;
ut64 obj_size = obj->obj_size;
const char *arch = info? info->arch: NULL;
const char *machine = info? info->machine: "unknown_machine";
const char *h_flag = info? info->head_flag: NULL;
char * str_fmt;
i++;
if (!arch) {
snprintf (unk, sizeof (unk), "unk_%d", i);
arch = unk;
}
r_table_hide_header (table);
r_table_set_columnsf (table, "nXnss", "num", "offset", "size", "arch", "machine", NULL);
if (info && narch > 1) {
switch (mode) {
case 'q':
bin->cb_printf ("%s\n", arch);
break;
case 'j':
pj_o (pj);
pj_ks (pj, "arch", arch);
pj_ki (pj, "bits", bits);
pj_kn (pj, "offset", boffset);
pj_kn (pj, "size", obj_size);
if (!strcmp (arch, "mips")) {
pj_ks (pj, "isa", info->cpu);
pj_ks (pj, "features", info->features);
}
if (machine) {
pj_ks (pj, "machine", machine);
}
pj_end (pj);
break;
default:
str_fmt = h_flag && strcmp (h_flag, "unknown_flag")? sdb_fmt ("%s_%i %s", arch, bits, h_flag) \
: sdb_fmt ("%s_%i", arch, bits);
r_table_add_rowf (table, "nXnss", i, boffset, obj_size, str_fmt , machine);
bin->cb_printf ("%s\n", r_table_tostring(table));
}
snprintf (archline, sizeof (archline) - 1,
"0x%08" PFMT64x ":%" PFMT64u ":%s:%d:%s",
boffset, obj_size, arch, bits, machine);
/// xxx machine not exported?
//sdb_array_push (binfile_sdb, ARCHS_KEY, archline, 0);
} else {
if (info) {
switch (mode) {
case 'q':
bin->cb_printf ("%s\n", arch);
break;
case 'j':
pj_o (pj);
pj_ks (pj, "arch", arch);
pj_ki (pj, "bits", bits);
pj_kn (pj, "offset", boffset);
pj_kn (pj, "size", obj_size);
if (!strcmp (arch, "mips")) {
pj_ks (pj, "isa", info->cpu);
pj_ks (pj, "features", info->features);
}
if (machine) {
pj_ks (pj, "machine", machine);
}
pj_end (pj);
break;
default:
str_fmt = h_flag && strcmp (h_flag, "unknown_flag")? sdb_fmt ("%s_%i %s", arch, bits, h_flag) \
: sdb_fmt ("%s_%i", arch, bits);
r_table_add_rowf (table, "nsnss", i, sdb_fmt ("0x%08" PFMT64x , boffset), obj_size, str_fmt, "");
bin->cb_printf ("%s\n", r_table_tostring(table));
}
snprintf (archline, sizeof (archline),
"0x%08" PFMT64x ":%" PFMT64u ":%s:%d",
boffset, obj_size, arch, bits);
} else if (nbinfile && mode) {
switch (mode) {
case 'q':
bin->cb_printf ("%s\n", arch);
break;
case 'j':
pj_o (pj);
pj_ks (pj, "arch", arch);
pj_ki (pj, "bits", bits);
pj_kn (pj, "offset", boffset);
pj_kn (pj, "size", obj_size);
if (machine) {
pj_ks (pj, "machine", machine);
}
pj_end (pj);
break;
default:
r_table_add_rowf (table, "nsnss", i, sdb_fmt ("0x%08" PFMT64x , boffset), obj_size, "", "");
bin->cb_printf ("%s\n", r_table_tostring(table));
}
snprintf (archline, sizeof (archline),
"0x%08" PFMT64x ":%" PFMT64u ":%s:%d",
boffset, obj_size, "unk", 0);
} else {
eprintf ("Error: Invalid RBinFile.\n");
}
//sdb_array_push (binfile_sdb, ARCHS_KEY, archline, 0);
}
if (mode == 'j') {
pj_end (pj);
pj_end (pj);
const char *s = pj_string (pj);
if (s) {
bin->cb_printf ("%s\n", s);
}
}
pj_free (pj);
r_table_free (table);
}
R_API void r_bin_set_user_ptr(RBin *bin, void *user) {
bin->user = user;
}
static RBinSection* __get_vsection_at(RBin *bin, ut64 vaddr) {
r_return_val_if_fail (bin, NULL);
if (!bin->cur) {
return NULL;
}
return r_bin_get_section_at (bin->cur->o, vaddr, true);
}
R_API void r_bin_bind(RBin *bin, RBinBind *b) {
if (b) {
b->bin = bin;
b->get_offset = __getoffset;
b->get_name = __getname;
b->get_sections = r_bin_get_sections;
b->get_vsect_at = __get_vsection_at;
b->demangle = r_bin_demangle;
}
}
R_API RBuffer *r_bin_create(RBin *bin, const char *p,
const ut8 *code, int codelen,
const ut8 *data, int datalen,
RBinArchOptions *opt) {
r_return_val_if_fail (bin && p && opt, NULL);
RBinPlugin *plugin = r_bin_get_binplugin_by_name (bin, p);
if (!plugin) {
R_LOG_WARN ("Cannot find RBin plugin named '%s'.\n", p);
return NULL;
}
if (!plugin->create) {
R_LOG_WARN ("RBin plugin '%s' does not implement \"create\" method.\n", p);
return NULL;
}
codelen = R_MAX (codelen, 0);
datalen = R_MAX (datalen, 0);
return plugin->create (bin, code, codelen, data, datalen, opt);
}
R_API RBuffer *r_bin_package(RBin *bin, const char *type, const char *file, RList *files) {
if (!strcmp (type, "zip")) {
// XXX: implement me
r_warn_if_reached ();
} else if (!strcmp (type, "fat")) {
// XXX: this should be implemented in the fat plugin, not here
// XXX should pick the callback from the plugin list
const char *f;
RListIter *iter;
ut32 num;
ut8 *num8 = (ut8*)&num;
RBuffer *buf = r_buf_new_file (file, O_RDWR | O_CREAT, 0644);
if (!buf) {
eprintf ("Cannot open file %s - Permission Denied.\n", file);
return NULL;
}
r_buf_write_at (buf, 0, (const ut8*)"\xca\xfe\xba\xbe", 4);
int count = r_list_length (files);
num = r_read_be32 (&count);
ut64 from = 0x1000;
r_buf_write_at (buf, 4, num8, 4);
int off = 12;
int item = 0;
r_list_foreach (files, iter, f) {
size_t f_len = 0;
ut8 *f_buf = (ut8 *)r_file_slurp (f, &f_len);
if (f_buf) {
eprintf ("ADD %s %"PFMT64u"\n", f, (ut64)f_len);
} else {
eprintf ("Cannot open %s\n", f);
free (f_buf);
continue;
}
item++;
/* CPU */
num8[0] = f_buf[7];
num8[1] = f_buf[6];
num8[2] = f_buf[5];
num8[3] = f_buf[4];
r_buf_write_at (buf, off - 4, num8, 4);
/* SUBTYPE */
num8[0] = f_buf[11];
num8[1] = f_buf[10];
num8[2] = f_buf[9];
num8[3] = f_buf[8];
r_buf_write_at (buf, off, num8, 4);
ut32 from32 = from;
/* FROM */
num = r_read_be32 (&from32);
r_buf_write_at (buf, off + 4, num8, 4);
r_buf_write_at (buf, from, f_buf, f_len);
/* SIZE */
num = r_read_be32 (&f_len);
r_buf_write_at (buf, off + 8, num8, 4);
off += 20;
from += f_len + (f_len % 0x1000);
free (f_buf);
}
r_buf_free (buf);
return NULL;
} else {
eprintf ("Usage: rabin2 -X [fat|zip] [filename] [files ...]\n");
}
return NULL;
}
R_API RList * /*<RBinClass>*/ r_bin_get_classes(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->classes : NULL;
}
/* returns vaddr, rebased with the baseaddr of bin, if va is enabled for bin,
* paddr otherwise */
R_API ut64 r_bin_get_vaddr(RBin *bin, ut64 paddr, ut64 vaddr) {
r_return_val_if_fail (bin && paddr != UT64_MAX, UT64_MAX);
if (!bin->cur) {
return paddr;
}
/* hack to realign thumb symbols */
if (bin->cur->o && bin->cur->o->info && bin->cur->o->info->arch) {
if (bin->cur->o->info->bits == 16) {
RBinSection *s = r_bin_get_section_at (bin->cur->o, paddr, false);
// autodetect thumb
if (s && (s->perm & R_PERM_X) && strstr (s->name, "text")) {
if (!strcmp (bin->cur->o->info->arch, "arm") && (vaddr & 1)) {
vaddr = (vaddr >> 1) << 1;
}
}
}
}
return r_bin_file_get_vaddr (bin->cur, paddr, vaddr);
}
R_API ut64 r_bin_a2b(RBin *bin, ut64 addr) {
r_return_val_if_fail (bin, UT64_MAX);
RBinObject *o = r_bin_cur_object (bin);
return binobj_a2b (o, addr);
}
R_API ut64 r_bin_get_size(RBin *bin) {
r_return_val_if_fail (bin, UT64_MAX);
RBinObject *o = r_bin_cur_object (bin);
return o ? o->size : 0;
}
R_API RBinFile *r_bin_cur(RBin *bin) {
r_return_val_if_fail (bin, NULL);
return bin->cur;
}
R_API RBinObject *r_bin_cur_object(RBin *bin) {
r_return_val_if_fail (bin, NULL);
RBinFile *binfile = r_bin_cur (bin);
return binfile ? binfile->o : NULL;
}
R_API void r_bin_force_plugin(RBin *bin, const char *name) {
r_return_if_fail (bin);
free (bin->force);
bin->force = (name && *name) ? strdup (name) : NULL;
}
R_API const char *r_bin_entry_type_string(int etype) {
switch (etype) {
case R_BIN_ENTRY_TYPE_PROGRAM:
return "program";
case R_BIN_ENTRY_TYPE_MAIN:
return "main";
case R_BIN_ENTRY_TYPE_INIT:
return "init";
case R_BIN_ENTRY_TYPE_FINI:
return "fini";
case R_BIN_ENTRY_TYPE_TLS:
return "tls";
case R_BIN_ENTRY_TYPE_PREINIT:
return "preinit";
}
return NULL;
}
R_API void r_bin_load_filter(RBin *bin, ut64 rules) {
bin->filter_rules = rules;
}
/* RBinField */
R_API RBinField *r_bin_field_new(ut64 paddr, ut64 vaddr, int size, const char *name, const char *comment, const char *format, bool format_named) {
RBinField *ptr = R_NEW0 (RBinField);
if (ptr) {
ptr->name = strdup (name);
ptr->comment = (comment && *comment)? strdup (comment): NULL;
ptr->format = (format && *format)? strdup (format): NULL;
ptr->format_named = format_named;
ptr->paddr = paddr;
ptr->size = size;
// ptr->visibility = any default visibility?
ptr->vaddr = vaddr;
}
return ptr;
}
// use void* to honor the RListFree signature
R_API void r_bin_field_free(void *_field) {
RBinField *field = (RBinField*) _field;
if (field) {
free (field->name);
free (field->comment);
free (field->format);
free (field);
}
}
// method name too long
// RBin.methFlagToString(RBin.Method.CLASS)
R_API const char *r_bin_get_meth_flag_string(ut64 flag, bool compact) {
switch (flag) {
case R_BIN_METH_CLASS:
return compact ? "c" : "class";
case R_BIN_METH_STATIC:
return compact ? "s" : "static";
case R_BIN_METH_PUBLIC:
return compact ? "p" : "public";
case R_BIN_METH_PRIVATE:
return compact ? "P" : "private";
case R_BIN_METH_PROTECTED:
return compact ? "r" : "protected";
case R_BIN_METH_INTERNAL:
return compact ? "i" : "internal";
case R_BIN_METH_OPEN:
return compact ? "o" : "open";
case R_BIN_METH_FILEPRIVATE:
return compact ? "e" : "fileprivate";
case R_BIN_METH_FINAL:
return compact ? "f" : "final";
case R_BIN_METH_VIRTUAL:
return compact ? "v" : "virtual";
case R_BIN_METH_CONST:
return compact ? "k" : "const";
case R_BIN_METH_MUTATING:
return compact ? "m" : "mutating";
case R_BIN_METH_ABSTRACT:
return compact ? "a" : "abstract";
case R_BIN_METH_SYNCHRONIZED:
return compact ? "y" : "synchronized";
case R_BIN_METH_NATIVE:
return compact ? "n" : "native";
case R_BIN_METH_BRIDGE:
return compact ? "b" : "bridge";
case R_BIN_METH_VARARGS:
return compact ? "g" : "varargs";
case R_BIN_METH_SYNTHETIC:
return compact ? "h" : "synthetic";
case R_BIN_METH_STRICT:
return compact ? "t" : "strict";
case R_BIN_METH_MIRANDA:
return compact ? "A" : "miranda";
case R_BIN_METH_CONSTRUCTOR:
return compact ? "C" : "constructor";
case R_BIN_METH_DECLARED_SYNCHRONIZED:
return compact ? "Y" : "declared_synchronized";
default:
return NULL;
}
}
R_IPI RBinSection *r_bin_section_new(const char *name) {
RBinSection *s = R_NEW0 (RBinSection);
if (s) {
s->name = name? strdup (name): NULL;
}
return s;
}
R_IPI void r_bin_section_free(RBinSection *bs) {
if (bs) {
free (bs->name);
free (bs->format);
free (bs);
}
}
R_API RBinFile *r_bin_file_at(RBin *bin, ut64 at) {
RListIter *it, *it2;
RBinFile *bf;
RBinSection *s;
r_list_foreach (bin->binfiles, it, bf) {
// chk for baddr + size of no section is covering anything
// we should honor maps not sections imho
r_list_foreach (bf->o->sections, it2, s) {
if (at >= s->vaddr && at < (s->vaddr + s->vsize)) {
return bf;
}
}
if (at >= bf->o->baddr && at < (bf->o->baddr + bf->size)) {
return bf;
}
}
return NULL;
}
R_API RBinTrycatch *r_bin_trycatch_new(ut64 source, ut64 from, ut64 to, ut64 handler, ut64 filter) {
RBinTrycatch *tc = R_NEW0 (RBinTrycatch);
if (tc) {
tc->source = source;
tc->from = from;
tc->to = to;
tc->handler = handler;
tc->filter = filter;
}
return tc;
}
R_API void r_bin_trycatch_free(RBinTrycatch *tc) {
free (tc);
}
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