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BUG/MINOR: h3: fix https scheme request encoding for BE side

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An HTTP/3 request must contains :scheme pseudo-header. Currently, only
"https" value is expected due to QUIC transport layer in use.

However, https value is incorrectly encoded due to a QPACK index value
mismatch in qpack_encode_scheme(). Fix it to ensure that scheme is now
properly set for HTTP/3 requests on the backend side.

No need to backport this.
This commit is contained in:
Amaury Denoyelle 2025-07-09 17:30:29 +02:00
parent 0b97bf36fa
commit 378c182192
1 changed files with 3 additions and 3 deletions
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6
src/qpack-enc.c
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@ -191,10 +191,10 @@ int qpack_encode_scheme(struct buffer *out, const struct ist scheme)
b_putchr(out, istptr(scheme)[i]); b_putchr(out, istptr(scheme)[i]);
} }
else { else {
int idx = 23; const int idx = isteq(scheme, ist("https")) ?
23 : /* :scheme: https */
22; /* :scheme: http */
if (unlikely(!isteq(scheme, ist("http"))))
idx = 22;
if (b_room(out) < 2) if (b_room(out) < 2)
return 1; return 1;