Sanitize bclass read from binary data in smd, io and pebble plugins ##security

* bclass is used for io redirections in the uf2 plugin, but this can be exploited from other io plugins

Author: trufae

libr/bin/p/bin_io.c

@@ -44,6 +44,7 @@ static RBinInfo *info(RBinFile *bf) {
 	ut8 tmp[32];
 	r_buf_read_at (bf->buf, 0x100, tmp, sizeof (tmp));
 	ret->bclass = r_str_ndup ((char *)tmp, 32);
+	r_str_sanitize (ret->bclass);
 	ret->os = strdup ("io");
 	ret->arch = strdup ("arm");
 	ret->bits = 64;

libr/bin/p/bin_pebble.c

@@ -62,6 +62,7 @@ static RBinInfo* info(RBinFile *bf) {
 	ret->file = strdup (bf->file);
 	ret->type = strdup ("pebble");
 	ret->bclass = r_str_ndup (pai.name, 32);
+	r_str_sanitize (ret->bclass);
 	ret->rclass = r_str_ndup (pai.company, 32);
 	ret->os = strdup ("rtos");
 	ret->subsystem = strdup ("pebble");

libr/bin/p/bin_smd.c

@@ -116,6 +116,7 @@ static RBinInfo *info(RBinFile *bf) {
 	ut8 tmp[32];
 	r_buf_read_at (bf->buf, 0x100, tmp, sizeof (tmp));
 	ret->bclass = r_str_ndup ((char *)tmp, 32);
+	r_str_sanitize (ret->bclass);
 	ret->os = strdup ("smd");
 	ret->arch = strdup ("m68k");
 	ret->bits = 32;