[v5,1/1] http: add support selecting http version

Commit Message

Bruce Perry via GitGitGadget Nov. 8, 2018, 6:18 a.m. UTC

From: Force Charlie <[e-mail]>

Signed-off-by: Force Charlie <[e-mail]>
---
 http.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

Patch

diff --git a/http.c b/http.c
index 3dc8c560d6..d6f3c4ee80 100644
--- a/http.c
+++ b/http.c
@@ -48,6 +48,7 @@  char curl_errorstr[CURL_ERROR_SIZE];
 
 static int curl_ssl_verify = -1;
 static int curl_ssl_try;
+static const char *curl_http_version = NULL;
 static const char *ssl_cert;
 static const char *ssl_cipherlist;
 static const char *ssl_version;
@@ -284,6 +285,9 @@  static void process_curl_messages(void)
 
 static int http_options(const char *var, const char *value, void *cb)
 {
+	if (!strcmp("http.version",var)) {
+		return git_config_string(&curl_http_version, var, value);
+	}
 	if (!strcmp("http.sslverify", var)) {
 		curl_ssl_verify = git_config_bool(var, value);
 		return 0;
@@ -789,6 +793,30 @@  static long get_curl_allowed_protocols(int from_user)
 }
 #endif
 
+#if LIBCURL_VERSION_NUM >=0x072f00
+static int get_curl_http_version_opt(const char *version_string, long *opt)
+{
+	int i;
+	static struct {
+		const char *name;
+		long opt_token;
+	} choice[] = {
+		{ "HTTP/1.1", CURL_HTTP_VERSION_1_1 },
+		{ "HTTP/2", CURL_HTTP_VERSION_2 }
+	};
+
+	for (i = 0; i < ARRAY_SIZE(choice); i++) {
+		if (!strcmp(version_string, choice[i].name)) {
+			*opt = choice[i].opt_token;
+			return 0;
+		}
+	}
+
+	return -1; /* not found */
+}
+
+#endif
+
 static CURL *get_curl_handle(void)
 {
 	CURL *result = curl_easy_init();
@@ -806,6 +834,16 @@  static CURL *get_curl_handle(void)
 		curl_easy_setopt(result, CURLOPT_SSL_VERIFYHOST, 2);
 	}
 
+#if LIBCURL_VERSION_NUM >= 0x072f00 // 7.47.0
+    if (curl_http_version) {
+		long opt;
+		if (!get_curl_http_version_opt(curl_http_version, &opt)) {
+			/* Set request use http version */
+			curl_easy_setopt(result, CURLOPT_HTTP_VERSION,opt);
+		}
+    }
+#endif
+
 #if LIBCURL_VERSION_NUM >= 0x070907
 	curl_easy_setopt(result, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
 #endif