diff options
| -rw-r--r-- | docs/HTTP2.md | 3 | ||||
| -rw-r--r-- | docs/curl.1 | 5 | ||||
| -rw-r--r-- | docs/libcurl/symbols-in-versions | 1 | ||||
| -rw-r--r-- | include/curl/curl.h | 2 | ||||
| -rw-r--r-- | lib/http.c | 20 | ||||
| -rw-r--r-- | src/tool_getparam.c | 5 | ||||
| -rw-r--r-- | src/tool_help.c | 1 |
7 files changed, 29 insertions, 8 deletions
diff --git a/docs/HTTP2.md b/docs/HTTP2.md index 81b3d5e21..5294ab5fa 100644 --- a/docs/HTTP2.md +++ b/docs/HTTP2.md @@ -96,6 +96,9 @@ curl tool curl offers the `--http2` command line option to enable use of HTTP/2. +curl offers the `--http2-prior-knowledge` command line option to enable use of +HTTP/2 without HTTP/1.1 Upgrade. + Since 7.47.0, the curl tool enables HTTP/2 by default for HTTPS connections. HTTP Alternative Services diff --git a/docs/curl.1 b/docs/curl.1 index 0b0f4d29d..4a61b6554 100644 --- a/docs/curl.1 +++ b/docs/curl.1 @@ -150,6 +150,11 @@ version. (Added in 7.33.0) .IP "--http2" (HTTP) Tells curl to issue its requests using HTTP 2. This requires that the underlying libcurl was built to support it. (Added in 7.33.0) +.IP "--http2-prior-knowledge" +(HTTP) Tells curl to issue its requests using HTTP 2 without HTTP/1.1 Upgrade. +This requires prior knowledge that the server supports HTTP 2. +This requires that the underlying libcurl was built to support it. +(Added in 7.49.0) .IP "--no-npn" Disable the NPN TLS extension. NPN is enabled by default if libcurl was built with an SSL library that supports NPN. NPN is used by a libcurl that supports diff --git a/docs/libcurl/symbols-in-versions b/docs/libcurl/symbols-in-versions index daf1809ab..2e4f15f39 100644 --- a/docs/libcurl/symbols-in-versions +++ b/docs/libcurl/symbols-in-versions @@ -695,6 +695,7 @@ CURL_HTTP_VERSION_1_1 7.9.1 CURL_HTTP_VERSION_2 7.43.0 CURL_HTTP_VERSION_2_0 7.33.0 CURL_HTTP_VERSION_2TLS 7.47.0 +CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE 7.49.0 CURL_HTTP_VERSION_NONE 7.9.1 CURL_IPRESOLVE_V4 7.10.8 CURL_IPRESOLVE_V6 7.10.8 diff --git a/include/curl/curl.h b/include/curl/curl.h index e0d5c0f4e..96ea1f2a0 100644 --- a/include/curl/curl.h +++ b/include/curl/curl.h @@ -1727,6 +1727,8 @@ enum { CURL_HTTP_VERSION_1_1, /* please use HTTP 1.1 in the request */ CURL_HTTP_VERSION_2_0, /* please use HTTP 2 in the request */ CURL_HTTP_VERSION_2TLS, /* use version 2 for HTTPS, version 1.1 for HTTP */ + CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE, /* please use HTTP 2 without HTTP/1.1 + Upgrade */ CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */ }; diff --git a/lib/http.c b/lib/http.c index 94a1e936e..f261b3deb 100644 --- a/lib/http.c +++ b/lib/http.c @@ -1792,13 +1792,6 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) switch(conn->negnpn) { case CURL_HTTP_VERSION_2: conn->httpversion = 20; /* we know we're on HTTP/2 now */ - result = Curl_http2_init(conn); - if(result) - return result; - - result = Curl_http2_setup(conn); - if(result) - return result; result = Curl_http2_switched(conn, NULL, 0); if(result) @@ -1808,7 +1801,18 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) /* continue with HTTP/1.1 when explicitly requested */ break; default: - /* and as fallback */ + /* Check if user wants to use HTTP/2 with clear TCP*/ +#ifdef USE_NGHTTP2 + if(conn->data->set.httpversion == + CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE) { + DEBUGF(infof(data, "HTTP/2 over clean TCP\n")); + conn->httpversion = 20; + + result = Curl_http2_switched(conn, NULL, 0); + if(result) + return result; + } +#endif break; } } diff --git a/src/tool_getparam.c b/src/tool_getparam.c index 61f50464b..9bb1b0c5f 100644 --- a/src/tool_getparam.c +++ b/src/tool_getparam.c @@ -184,6 +184,7 @@ static const struct LongShort aliases[]= { {"0", "http1.0", FALSE}, {"01", "http1.1", FALSE}, {"02", "http2", FALSE}, + {"03", "http2-prior-knowledge", FALSE}, {"1", "tlsv1", FALSE}, {"10", "tlsv1.0", FALSE}, {"11", "tlsv1.1", FALSE}, @@ -1036,6 +1037,10 @@ ParameterError getparameter(char *flag, /* f or -long-flag */ /* HTTP version 2.0 */ config->httpversion = CURL_HTTP_VERSION_2_0; break; + case '3': + /* HTTP version 2.0 over clean TCP*/ + config->httpversion = CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE; + break; } break; case '1': /* --tlsv1* options */ diff --git a/src/tool_help.c b/src/tool_help.c index a1a6fb493..42159f4d9 100644 --- a/src/tool_help.c +++ b/src/tool_help.c @@ -111,6 +111,7 @@ static const char *const helptext[] = { " -0, --http1.0 Use HTTP 1.0 (H)", " --http1.1 Use HTTP 1.1 (H)", " --http2 Use HTTP 2 (H)", + " --http2-prior-knowledge Use HTTP 2 without HTTP/1.1 Upgrade (H)", " --ignore-content-length Ignore the HTTP Content-Length header", " -i, --include Include protocol headers in the output (H/F)", " -k, --insecure Allow connections to SSL sites without certs (H)", |