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Fix oobread in charset.c

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This commit is contained in:
pancake 2021-02-13 02:59:34 +01:00
parent 6de47ca9f8
commit d640634666
1 changed files with 4 additions and 2 deletions
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6
libr/util/charset.c
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@ -122,11 +122,13 @@ R_API size_t r_charset_decode_str(RCharset *rc, ut8 *out, size_t out_len, const
//zero terminate the string
snprintf (k, sizeof (k), "%c", ch_in);//snprintf (k, sizeof (k), "0x%02x", ch_in);
char *v = sdb_get (rc->db_char_to_hex, k, 0);
memmove(v, v+2, strlen (v));
if (strlen (v) < 2) {
continue;
}
//convert to ascii
char str_hx[32];
snprintf (str_hx, sizeof (str_hx), "%c", (char) strtol( v, 0, 16));
snprintf (str_hx, sizeof (str_hx), "%c", (char) strtol( v+2, 0, 16));
const char *ret = r_str_get_fail (str_hx, "?");
strcpy (o, ret);