diff options
Diffstat (limited to 'funcs/func_base64.c')
| -rw-r--r-- | funcs/func_base64.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/funcs/func_base64.c b/funcs/func_base64.c index 28805b943..6f1fc19ea 100644 --- a/funcs/func_base64.c +++ b/funcs/func_base64.c @@ -75,12 +75,19 @@ static int base64_encode(struct ast_channel *chan, const char *cmd, char *data, static int base64_decode(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len) { + int decoded_len; + if (ast_strlen_zero(data)) { ast_log(LOG_WARNING, "Syntax: BASE64_DECODE(<base_64 string>) - missing argument!\n"); return -1; } - ast_base64decode((unsigned char *) buf, data, len); + decoded_len = ast_base64decode((unsigned char *) buf, data, len); + if (decoded_len <= (len - 1)) { /* if not truncated, */ + buf[decoded_len] = '\0'; + } else { + buf[len - 1] = '\0'; + } return 0; } |