diff options
Diffstat (limited to 'src/libstrongswan/bio/bio_reader.c')
| -rw-r--r-- | src/libstrongswan/bio/bio_reader.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libstrongswan/bio/bio_reader.c b/src/libstrongswan/bio/bio_reader.c index 82e405002..e6b459bbf 100644 --- a/src/libstrongswan/bio/bio_reader.c +++ b/src/libstrongswan/bio/bio_reader.c @@ -122,13 +122,16 @@ static bool read_uint16_internal(private_bio_reader_t *this, uint16_t *res, static bool read_uint24_internal(private_bio_reader_t *this, uint32_t *res, bool from_end) { + uint32_t tmp; + if (this->buf.len < 3) { DBG1(DBG_LIB, "%d bytes insufficient to parse u_int24 data", this->buf.len); return FALSE; } - *res = untoh32(get_ptr_end(this, 3, from_end)) >> 8; + memcpy(&tmp, get_ptr_end(this, 3, from_end), 3); + *res = ntohl(tmp) >> 8; this->buf = chunk_skip_end(this->buf, 3, from_end); return TRUE; } |