[master] 05249f92c Don't mess with C-L when responding to HEAD
guillaume quintard
gquintard at users.noreply.github.com
Wed Aug 22 16:21:06 UTC 2018
commit 05249f92cf26b9120cfcd0dcdccab8f2ea32f004
Author: Guillaume Quintard <guillaume at varnish-software.com>
Date: Thu Aug 16 19:22:52 2018 -0700
Don't mess with C-L when responding to HEAD
diff --git a/bin/varnishd/cache/cache_req_fsm.c b/bin/varnishd/cache/cache_req_fsm.c
index 686f25452..deecc3434 100644
--- a/bin/varnishd/cache/cache_req_fsm.c
+++ b/bin/varnishd/cache/cache_req_fsm.c
@@ -341,7 +341,7 @@ cnt_transmit(struct worker *wrk, struct req *req)
struct boc *boc;
const char *r;
uint16_t status;
- int err, sendbody;
+ int err, sendbody, head;
intmax_t clval;
CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
@@ -363,7 +363,8 @@ cnt_transmit(struct worker *wrk, struct req *req)
/* RFC 7230, 3.3.3 */
status = http_GetStatus(req->resp);
- if (!strcmp(req->http0->hd[HTTP_HDR_METHOD].b, "HEAD")) {
+ head = !strcmp(req->http0->hd[HTTP_HDR_METHOD].b, "HEAD");
+ if (head) {
if (req->objcore->flags & OC_F_PASS)
sendbody = -1;
else
@@ -395,8 +396,8 @@ cnt_transmit(struct worker *wrk, struct req *req)
}
}
- if (sendbody < 0) {
- /* Don't touch pass+HEAD C-L */
+ if (sendbody < 0 || head) {
+ /* Don't touch HEAD C-L */
sendbody = 0;
} else if (clval >= 0 && clval == req->resp_len) {
/* Reuse C-L header */
diff --git a/bin/varnishtest/tests/b00065.vtc b/bin/varnishtest/tests/b00065.vtc
new file mode 100644
index 000000000..c8df453bf
--- /dev/null
+++ b/bin/varnishtest/tests/b00065.vtc
@@ -0,0 +1,20 @@
+varnishtest "Test that C-L on HEAD request aren't nuked"
+
+server s1 {
+ rxreq
+ txresp -nolen -hdr "content-length: 17"
+ expect req.method == "HEAD"
+} -start
+
+varnish v1 -vcl+backend {
+ sub vcl_backend_fetch {
+ set bereq.method = "HEAD";
+ }
+} -start
+
+client c1 {
+ txreq -req HEAD -hdr "connection: close"
+ rxresphdrs
+ expect resp.http.content-length == 17
+ expect_close
+} -run
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