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Add rust binary detection support. (#11717)

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Basic for non stripped, using symbols lookup
to avoid additional lookups.
This commit is contained in:
David CARLIER 2018-10-02 14:32:52 +01:00 committed by radare
parent 036db696d1
commit e829959884
1 changed files with 11 additions and 6 deletions
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17
libr/bin/p/bin_elf.inc
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@ -1026,22 +1026,27 @@ static RList* patch_relocs(RBin *b) {
return ret;
}
static bool has_canary(RBinFile *bf) {
bool ret = false;
static void lookup_symbols(RBinFile *bf, RBinInfo *ret) {
RList* symbols_list = symbols (bf);
RListIter *iter;
RBinSymbol *symbol;
bool is_rust = false;
if (symbols_list) {
r_list_foreach (symbols_list, iter, symbol) {
if (!strcmp (symbol->name, "__stack_chk_fail") || !strcmp (symbol->name, "__stack_smash_handler")) {
ret = true;
if (ret->has_canary == true && is_rust == true) {
break;
}
if (strstr (symbol->name, "__stack_chk_fail") || strstr (symbol->name, "__stack_smash_handler")) {
ret->has_canary = true;
}
if (!strcmp (symbol->name, "__rust_oom")) {
is_rust = true;
ret->lang = "rust";
}
}
symbols_list->free = r_bin_symbol_free;
r_list_free (symbols_list);
}
return ret;
}
static int has_retguard(RBinFile *bf) {
@ -1119,7 +1124,6 @@ static RBinInfo* info(RBinFile *bf) {
ret->type = str;
ret->has_pi = (strstr (str, "DYN"))? 1: 0;
ret->has_lit = true;
ret->has_canary = has_canary (bf);
ret->has_retguard = has_retguard (bf);
ret->has_sanitizers = has_sanitizers (bf);
if (!(str = Elf_(r_bin_elf_get_elf_class) (obj))) {
@ -1168,6 +1172,7 @@ static RBinInfo* info(RBinFile *bf) {
if (is_golang (bf)) {
ret->lang = "go";
}
lookup_symbols (bf, ret);
return ret;
}