#174 在 http2 解析 header 时，修改 headerlength 的获取方式

* 原来是使用 strlen(header) 获取 headerlength
* 现在改为使用 http2 callback 传入的 headerlength

暗示着 header 字段可能不以 '\0' 结尾

1 files changed, 6 insertions, 3 deletions

diff --git a/plugin/protocol/http2/src/http2_common.cpp b/plugin/protocol/http2/src/http2_common.cpp
index f4b7007..b8b2a2c 100644
--- a/plugin/protocol/http2/src/http2_common.cpp
+++ b/plugin/protocol/http2/src/http2_common.cpp
@@ -36,11 +36,13 @@ Http2Plugin *http2_plugin()
 }
 
 int
-http2_header_str_to_val(const char *str, const char * map[], unsigned int map_size)
+http2_header_str_to_val(const char *str, size_t slen, const char * map[], unsigned int map_size)
 {
+	size_t normlen = 0;
 	for (unsigned int i = 2; i < map_size; i++)
 	{
-		if ( (strlen(str) == strlen(map[i])) && !strncasecmp(str, map[i], strlen(map[i])))
+		normlen = strlen(map[i]);
+		if ( (slen == normlen) && !strncasecmp(str, map[i], normlen))
 		{
 			return i;
 		}
@@ -48,7 +50,8 @@ http2_header_str_to_val(const char *str, const char * map[], unsigned int map_si
 
 	// in http  [TFE_HTTP_UNKNOWN_FIELD] = NULL;      [TFE_HTTP_HOST] = "Host",
 	// in http2 [TFE_HTTP_UNKNOWN_FIELD] = "unknown"; [TFE_HTTP_HOST] = ":authority"
-	if ( (strlen(str) == strlen(":authority")) && !strncasecmp(str, ":authority", strlen(":authority")))
+	normlen = strlen(":authority");
+	if ( (slen == normlen) && !strncasecmp(str, ":authority", normlen))
 	{
 		return TFE_HTTP_HOST;
 	} else {