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Added autoload of zignatures (#8554)

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This commit is contained in:
Rene Laemmert 2017-09-18 17:48:19 +02:00 committed by radare
parent bae2bdd42d
commit 729c528c80
5 changed files with 73 additions and 51 deletions
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19
binr/radare2/radare2.c
View File

@ -775,6 +775,25 @@ int main(int argc, char **argv, char **envp) {
if (run_rc) {
radare2_rc (&r);
}
if (r_config_get_i (r.config, "zign.autoload")) {
char *path = r_file_abspath (r_config_get (r.config, "dir.zigns"));
RList *list = r_sys_dir (path);
RListIter *iter;
char *file = NULL;
r_list_foreach (list, iter, file) {
if (file && *file && *file != '.') {
if (r_str_endswith (file, "gz")) {
r_sign_load_gz (r.anal, file);
} else {
r_sign_load (r.anal, file);
}
}
}
r_list_free (list);
free (path);
}
// if (argv[optind] && r_file_is_directory (argv[optind]))
if (pfile && r_file_is_directory (pfile)) {
if (debug) {

51
libr/anal/sign.c
View File

@ -1210,6 +1210,57 @@ R_API bool r_sign_load(RAnal *a, const char *file) {
return true;
}
R_API bool r_sign_load_gz(RAnal *a, const char *filename) {
ut8 *buf = NULL;
int size = 0;
char *tmpfile = NULL;
bool retval = true;
char *path = r_sign_path (a, filename);
if (!r_file_exists (path)) {
eprintf ("error: file %s does not exist\n", filename);
retval = false;
goto out;
}
if (!(buf = r_file_gzslurp (path, &size, 0))) {
eprintf ("error: cannot decompress file\n");
retval = false;
goto out;
}
if (!(tmpfile = r_file_temp ("r2zign"))) {
eprintf ("error: cannot create temp file\n");
retval = false;
goto out;
}
if (!r_file_dump (tmpfile, buf, size, 0)) {
eprintf ("error: cannot dump file\n");
retval = false;
goto out;
}
if (!r_sign_load (a, tmpfile)) {
eprintf ("error: cannot load file\n");
retval = false;
goto out;
}
if (!r_file_rm (tmpfile)) {
eprintf ("error: cannot delete temp file\n");
retval = false;
goto out;
}
out:
free (buf);
free (tmpfile);
free (path);
return retval;
}
R_API bool r_sign_save(RAnal *a, const char *file) {
bool retval = true;

1
libr/core/cconfig.c
View File

@ -2325,6 +2325,7 @@ R_API int r_core_config_init(RCore *core) {
SETPREF ("zign.bytes", "true", "Use bytes patterns for matching");
SETPREF ("zign.offset", "true", "Use original offset for matching");
SETPREF ("zign.refs", "true", "Use references for matching");
SETPREF ("zign.autoload", "false", "Autoload all zignatures located in ~/.config/radare2/zigns");
/* diff */
SETCB ("diff.sort", "addr", &cb_diff_sort, "Specify function diff sorting column see (e diff.sort=?)");

52
libr/core/cmd_zign.c
View File

@ -403,56 +403,6 @@ out_case_fcn:
return true;
}
static bool loadGzSdb(RAnal *a, const char *filename) {
ut8 *buf = NULL;
int size = 0;
char *tmpfile = NULL;
bool retval = true;
char *path = r_sign_path (a, filename);
if (!r_file_exists (path)) {
eprintf ("error: file %s does not exist\n", filename);
retval = false;
goto out;
}
if (!(buf = r_file_gzslurp (path, &size, 0))) {
eprintf ("error: cannot decompress file\n");
retval = false;
goto out;
}
if (!(tmpfile = r_file_temp ("r2zign"))) {
eprintf ("error: cannot create temp file\n");
retval = false;
goto out;
}
if (!r_file_dump (tmpfile, buf, size, 0)) {
eprintf ("error: cannot dump file\n");
retval = false;
goto out;
}
if (!r_sign_load (a, tmpfile)) {
eprintf ("error: cannot load file\n");
retval = false;
goto out;
}
if (!r_file_rm (tmpfile)) {
eprintf ("error: cannot delete temp file\n");
retval = false;
goto out;
}
out:
free (buf);
free (tmpfile);
free (path);
return retval;
}
static int cmdOpen(void *data, const char *input) {
RCore *core = (RCore *) data;
@ -472,7 +422,7 @@ static int cmdOpen(void *data, const char *input) {
return false;
case 'z':
if (input[1] == ' ' && input[2]) {
return loadGzSdb (core->anal, input + 2);
return r_sign_load_gz (core->anal, input + 2);
}
eprintf ("usage: zoz filename\n");
return false;

1
libr/include/r_sign.h
View File

@ -78,6 +78,7 @@ R_API bool r_sign_match_offset(RAnal *a, RAnalFunction *fcn, RSignOffsetMatchCal
R_API bool r_sign_match_refs(RAnal *a, RAnalFunction *fcn, RSignRefsMatchCallback cb, void *user);
R_API bool r_sign_load(RAnal *a, const char *file);
R_API bool r_sign_load_gz(RAnal *a, const char *filename);
R_API char *r_sign_path(RAnal *a, const char *file);
R_API bool r_sign_save(RAnal *a, const char *file);