diff options
Diffstat (limited to 'src/event/ngx_event_quic_transport.c')
| -rw-r--r-- | src/event/ngx_event_quic_transport.c | 49 |
1 files changed, 41 insertions, 8 deletions
diff --git a/src/event/ngx_event_quic_transport.c b/src/event/ngx_event_quic_transport.c index dd50ba390..58a4c8374 100644 --- a/src/event/ngx_event_quic_transport.c +++ b/src/event/ngx_event_quic_transport.c @@ -88,6 +88,15 @@ static ngx_int_t ngx_quic_parse_transport_param(u_char *p, u_char *end, uint16_t id, ngx_quic_tp_t *dst); +/* currently only single version (selected at compile-time) is supported */ +uint32_t ngx_quic_versions[] = { + NGX_QUIC_VERSION +}; + +#define NGX_QUIC_NVERSIONS \ + (sizeof(ngx_quic_versions) / sizeof(ngx_quic_versions[0])) + + /* literal errors indexed by corresponding value */ static char *ngx_quic_errors[] = { "NO_ERROR", @@ -232,8 +241,8 @@ ngx_quic_error_text(uint64_t error_code) ngx_int_t ngx_quic_parse_long_header(ngx_quic_header_t *pkt) { - u_char *p, *end; - uint8_t idlen; + u_char *p, *end; + uint8_t idlen; p = pkt->data; end = pkt->data + pkt->len; @@ -270,12 +279,6 @@ ngx_quic_parse_long_header(ngx_quic_header_t *pkt) return NGX_DECLINED; } - if (pkt->version != NGX_QUIC_VERSION) { - ngx_log_error(NGX_LOG_INFO, pkt->log, 0, - "quic unsupported version: 0x%xD", pkt->version); - return NGX_ERROR; - } - p = ngx_quic_read_uint8(p, end, &idlen); if (p == NULL) { ngx_log_error(NGX_LOG_INFO, pkt->log, 0, @@ -327,6 +330,36 @@ ngx_quic_parse_long_header(ngx_quic_header_t *pkt) size_t +ngx_quic_create_version_negotiation(ngx_quic_header_t *pkt, u_char *out) +{ + u_char *p, *start; + ngx_uint_t i; + + p = start = out; + + *p++ = pkt->flags; + + /* + * The Version field of a Version Negotiation packet + * MUST be set to 0x00000000 + */ + p = ngx_quic_write_uint32(p, 0); + + *p++ = pkt->dcid.len; + p = ngx_cpymem(p, pkt->dcid.data, pkt->dcid.len); + + *p++ = pkt->scid.len; + p = ngx_cpymem(p, pkt->scid.data, pkt->scid.len); + + for (i = 0; i < NGX_QUIC_NVERSIONS; i++) { + p = ngx_quic_write_uint32(p, ngx_quic_versions[i]); + } + + return p - start; +} + + +size_t ngx_quic_create_long_header(ngx_quic_header_t *pkt, u_char *out, size_t pkt_len, u_char **pnp) { |