diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/security.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/lib/security.c b/lib/security.c index 524f9cef4..1bea669d5 100644 --- a/lib/security.c +++ b/lib/security.c @@ -359,7 +359,7 @@ int Curl_sec_read_msg(struct connectdata *conn, char *buffer, int */ int decoded_len; char *buf; - int ret_code; + int ret_code = 0; size_t decoded_sz = 0; CURLcode error; @@ -388,13 +388,13 @@ int Curl_sec_read_msg(struct connectdata *conn, char *buffer, } buf[decoded_len] = '\0'; - DEBUGASSERT(decoded_len > 3); - if(buf[3] == '-') - ret_code = 0; - else { - /* Check for error? */ + if(decoded_len <= 3) + /* suspiciously short */ + return 0; + + if(buf[3] != '-') + /* safe to ignore return code */ (void)sscanf(buf, "%d", &ret_code); - } if(buf[decoded_len - 1] == '\n') buf[decoded_len - 1] = '\0'; @@ -437,8 +437,8 @@ static int sec_set_protection_level(struct connectdata *conn) pbsz = strstr(conn->data->state.buffer, "PBSZ="); if(pbsz) { - /* FIXME: Checks for errors in sscanf? */ - sscanf(pbsz, "PBSZ=%u", &buffer_size); + /* ignore return code, use default value if it fails */ + (void)sscanf(pbsz, "PBSZ=%u", &buffer_size); if(buffer_size < conn->buffer_size) conn->buffer_size = buffer_size; } |