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Replace exact-version checks for HTTP/1.1 with >= or < checks

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This commit is contained in:
Nick Mathewson 2010-11-02 15:19:12 -04:00
parent aa5f55face
commit 647e094ca2
1 changed files with 22 additions and 9 deletions
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31
http.c
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@ -149,6 +149,14 @@ fake_getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
#endif
#define REQ_VERSION_BEFORE(req, major_v, minor_v) \
((req)->major < (major_v) || \
((req)->major == (major_v) && (req)->minor < (minor_v)))
#define REQ_VERSION_ATLEAST(req, major_v, minor_v) \
((req)->major > (major_v) || \
((req)->major == (major_v) && (req)->minor >= (minor_v)))
#ifndef MIN
#define MIN(a,b) (((a)<(b))?(a):(b))
#endif
@ -470,9 +478,8 @@ evhttp_make_header_response(struct evhttp_connection *evcon,
req->major, req->minor, req->response_code,
req->response_code_line);
/* XXX shouldn't these check for >= rather than == ? - NM */
if (req->major == 1) {
if (req->minor == 1)
if (req->minor >= 1)
evhttp_maybe_add_date_header(req->output_headers);
/*
@ -483,7 +490,7 @@ evhttp_make_header_response(struct evhttp_connection *evcon,
evhttp_add_header(req->output_headers,
"Connection", "keep-alive");
if ((req->minor == 1 || is_keepalive) &&
if ((req->minor >= 1 || is_keepalive) &&
evhttp_response_needs_body(req)) {
/*
* we need to add the content length if the
@ -1392,10 +1399,16 @@ evhttp_parse_request_line(struct evhttp_request *req, char *line)
req->major = 1;
req->minor = 1;
} else {
/* XXX So, http/1.2 kills us? Is that right? -NM */
event_debug(("%s: bad version %s on request %p from %s",
__func__, version, req, req->remote_host));
return (-1);
int major, minor;
char ch;
int n = sscanf(version, "HTTP/%d.%d%c", &major, &minor, &ch);
if (n > 2 || major > 1) {
event_debug(("%s: bad version %s on request %p from %s",
__func__, version, req, req->remote_host));
return (-1);
}
req->major = major;
req->minor = minor;
}
if ((req->uri = mm_strdup(uri)) == NULL) {
@ -2074,7 +2087,7 @@ evhttp_send_done(struct evhttp_connection *evcon, void *arg)
TAILQ_REMOVE(&evcon->requests, req, next);
need_close =
(req->minor == 0 &&
(REQ_VERSION_BEFORE(req, 1, 1) &&
!evhttp_is_connection_keepalive(req->input_headers))||
evhttp_is_connection_close(req->flags, req->input_headers) ||
evhttp_is_connection_close(req->flags, req->output_headers);
@ -2169,7 +2182,7 @@ evhttp_send_reply_start(struct evhttp_request *req, int code,
{
evhttp_response_code(req, code, reason);
if (evhttp_find_header(req->output_headers, "Content-Length") == NULL &&
req->major == 1 && req->minor == 1 &&
REQ_VERSION_ATLEAST(req, 1, 1) &&
evhttp_response_needs_body(req)) {
/*
* prefer HTTP/1.1 chunked encoding to closing the connection;