Mercurial > hg > nginx
diff src/event/ngx_event_openssl.c @ 7935:eb6c77e6d55d
SSL: added $ssl_alpn_protocol variable.
The variable contains protocol selected by ALPN during handshake and
is empty otherwise.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Thu, 14 Oct 2021 11:46:23 +0300 |
parents | dda421871bc2 |
children | b9e02e9b2f1d |
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line diff
--- a/src/event/ngx_event_openssl.c +++ b/src/event/ngx_event_openssl.c @@ -4699,6 +4699,36 @@ ngx_ssl_get_server_name(ngx_connection_t ngx_int_t +ngx_ssl_get_alpn_protocol(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) +{ +#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation + + unsigned int len; + const unsigned char *data; + + SSL_get0_alpn_selected(c->ssl->connection, &data, &len); + + if (len > 0) { + + s->data = ngx_pnalloc(pool, len); + if (s->data == NULL) { + return NGX_ERROR; + } + + ngx_memcpy(s->data, data, len); + s->len = len; + + return NGX_OK; + } + +#endif + + s->len = 0; + return NGX_OK; +} + + +ngx_int_t ngx_ssl_get_raw_certificate(ngx_connection_t *c, ngx_pool_t *pool, ngx_str_t *s) { size_t len;