diff options
| author | Zoltan Fridrich <zfridric@redhat.com> | 2022-10-21 11:19:56 +0200 |
|---|---|---|
| committer | Zoltan Fridrich <zfridric@redhat.com> | 2022-10-24 10:37:29 +0200 |
| commit | f1bdcea93f7c5af658f2d337c5f8b4f89e591476 (patch) | |
| tree | b13dc4679afa7e276ece8bf4f5dc63742dadc326 | |
| parent | b69cbc76e46bbface6f92a0485a6c7ae646c6d6b (diff) | |
| download | gnutls-f1bdcea93f7c5af658f2d337c5f8b4f89e591476.tar.gz | |
Ignore unknown algorithms received in compress_certificate extension
Signed-off-by: Zoltan Fridrich <zfridric@redhat.com>
| -rw-r--r-- | lib/ext/compress_certificate.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/lib/ext/compress_certificate.c b/lib/ext/compress_certificate.c index 8f8d75c9ad..2740c5b381 100644 --- a/lib/ext/compress_certificate.c +++ b/lib/ext/compress_certificate.c @@ -172,7 +172,7 @@ _gnutls_compress_certificate_recv_params(gnutls_session_t session, uint8_t bytes_len; size_t methods_len; gnutls_compression_method_t methods[MAX_COMPRESS_CERTIFICATE_METHODS]; - gnutls_compression_method_t method = GNUTLS_COMP_UNKNOWN; + gnutls_compression_method_t method; compress_certificate_ext_st *priv; gnutls_ext_priv_data_t epriv; @@ -188,15 +188,16 @@ _gnutls_compress_certificate_recv_params(gnutls_session_t session, return gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER); DECR_LEN(data_size, bytes_len); - methods_len = bytes_len / 2; - for (i = 0; i < methods_len; ++i) { + methods_len = 0; + for (i = 0; i < bytes_len / 2; ++i) { num = _gnutls_read_uint16(data + i + i + 1); - methods[i] = _gnutls_compress_certificate_num2method(num); - if (methods[i] == GNUTLS_COMP_UNKNOWN) - return gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER); + method = _gnutls_compress_certificate_num2method(num); + if (method != GNUTLS_COMP_UNKNOWN) + methods[methods_len++] = method; } + method = GNUTLS_COMP_UNKNOWN; for (i = 0; i < methods_len; ++i) for (j = 0; j < priv->methods_len; ++j) if (methods[i] == priv->methods[j]) { |