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Merge of r4461: upstream: fixed "too big header" check. 

If header filter postponed processing of a header by returning NGX_AGAIN
and not moved u->buffer->pos, previous check incorrectly assumed there
is additional space and did another recv() with zero-size buffer.  This
resulted in "upstream prematurely closed connection" error instead
of correct "upstream sent too big header" one.

Patch by Feibo Li.
This commit is contained in:
Maxim Dounin 2012-03-05 12:15:02 +00:00
parent e88e3cafaf
commit a5579fdaff
1 changed files with 1 additions and 1 deletions
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2
src/http/ngx_http_upstream.c
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@ -1561,7 +1561,7 @@ ngx_http_upstream_process_header(ngx_http_request_t *r, ngx_http_upstream_t *u)
if (rc == NGX_AGAIN) {
if (u->buffer.pos == u->buffer.end) {
if (u->buffer.last == u->buffer.end) {
ngx_log_error(NGX_LOG_ERR, c->log, 0,
"upstream sent too big header");