Hey,
I just found evhttp's pretty picky about HTTP request without correct
protocol version. For example, "GET /status.php\r\n", instead of "GET
/status.php HTTP/1.1\r\n". So I'm suggesting this change,
--- http.c 2008-12-19 14:27:27.000000000 -0800
+++ /var/users/hzhao/hphp/external/libevent/libevent-1.4.9-stable/http.c
2009-04-18 23:06:53.413896000 -0700
@@ -1259,11 +1259,13 @@
if (line == NULL)
return (-1);
uri = strsep(&line, " ");
- if (line == NULL)
- return (-1);
+ if (line == NULL) {
+ version = "HTTP/1.0";
+ } else {
version = strsep(&line, " ");
if (line != NULL)
return (-1);
+ }
This is how Apache handles it, and this was why some of our hardware sending
bad HTTP requests to Apache server without any problems, then when I
switched to evhttp, it wasn't forgiving enough.
/* Avoid sscanf in the common case */
if (len == 8
&& pro[0] == 'H' && pro[1] == 'T' && pro[2] == 'T' && pro[3] == 'P'
&& pro[4] == '/' && apr_isdigit(pro[5]) && pro[6] == '.'
&& apr_isdigit(pro[7])) {
r->proto_num = HTTP_VERSION(pro[5] - '0', pro[7] - '0');
}
else if (3 == sscanf(r->protocol, "%4s/%u.%u", http, &major, &minor)
&& (strcasecmp("http", http) == 0)
&& (minor < HTTP_VERSION(1, 0)) ) /* don't allow HTTP/0.1000 */
r->proto_num = HTTP_VERSION(major, minor);
else
r->proto_num = HTTP_VERSION(1, 0);
Thanks for looking into this!
-Haiping
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