diff options
Diffstat (limited to 'src/qpack-dec.c')
| -rw-r--r-- | src/qpack-dec.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/qpack-dec.c b/src/qpack-dec.c index 97392bb..7a8726f 100644 --- a/src/qpack-dec.c +++ b/src/qpack-dec.c @@ -135,6 +135,19 @@ int qpack_decode_enc(struct buffer *buf, int fin, void *ctx) } else if (inst & QPACK_ENC_INST_SDTC_BIT) { /* Set dynamic table capacity */ + int capacity = *b_head(buf) & 0x1f; + + /* RFC 9204 4.3.1. Set Dynamic Table Capacity + * + * The decoder MUST treat a new dynamic table capacity + * value that exceeds this limit as a connection error of type + * QPACK_ENCODER_STREAM_ERROR. + */ + if (capacity) { + qcc_set_error(qcs->qcc, QPACK_ENCODER_STREAM_ERROR, 1); + return -1; + } + } return 0; @@ -173,6 +186,18 @@ int qpack_decode_dec(struct buffer *buf, int fin, void *ctx) inst = (unsigned char)*b_head(buf) & QPACK_DEC_INST_BITMASK; if (inst == QPACK_DEC_INST_ICINC) { /* Insert count increment */ + + /* RFC 9204 4.4.3. Insert Count Increment + * + * An encoder that receives an Increment field equal to zero, or one + * that increases the Known Received Count beyond what the encoder has + * sent, MUST treat this as a connection error of type + * QPACK_DECODER_STREAM_ERROR. + */ + + /* For the moment haproxy does not emit dynamic table insertion. */ + qcc_set_error(qcs->qcc, QPACK_DECODER_STREAM_ERROR, 1); + return -1; } else if (inst & QPACK_DEC_INST_SACK) { /* Section Acknowledgment */ |