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2014-09-12Upstream: limited next_upstream time and tries (ticket #544).Roman Arutyunyan1-0/+22
The new directives {proxy,fastcgi,scgi,uwsgi,memcached}_next_upstream_tries and {proxy,fastcgi,scgi,uwsgi,memcached}_next_upstream_timeout limit the number of upstreams tried and the maximum time spent for these tries when searching for a valid upstream.
2014-09-11Added warning about unset cache keys.Maxim Dounin1-0/+5
In fastcgi, scgi and uwsgi modules there are no default cache keys, and using a cache without a cache key set is likely meaningless.
2014-09-11Style.Maxim Dounin1-1/+2
2014-07-08Style: remove whitespace between function name and parentheses.Piotr Sikora1-1/+1
Signed-off-by: Piotr Sikora <piotr@cloudflare.com>
2014-06-26Upstream: cache revalidation using If-None-Match.Maxim Dounin1-1/+1
2014-04-18Upstream: uwsgi_ssl_name, uwsgi_ssl_verify, and so on.Maxim Dounin1-0/+85
Just a merge of proxy_ssl_name, proxy_ssl_verify commits into uwsgi module, code is identical.
2014-04-18Upstream: plugged potential memory leak on reload.Maxim Dounin1-8/+8
The SSL_CTX_set_cipher_list() may fail if there are no valid ciphers specified in proxy_ssl_ciphers / uwsgi_ssl_ciphers, resulting in SSL context leak. In theory, ngx_pool_cleanup_add() may fail too, but this case is intentionally left out for now as it's almost impossible and proper fix will require changes to http ssl and mail ssl code as well.
2014-02-11Upstream: fix $upstream_status variable.Piotr Sikora1-2/+2
Previously, upstream's status code was overwritten with cached response's status code when STALE or REVALIDATED response was sent to the client. Signed-off-by: Piotr Sikora <piotr@cloudflare.com>
2013-12-27Style: removed surplus semicolons.Valentin Bartenev1-1/+1
2013-12-12Trailing whitespace fix.Maxim Dounin1-1/+1
2013-12-06Fixed incorrect ngx_str_set() usage, broken in c82b2e020b9f.Piotr Sikora1-1/+1
Found by Coverity Scan CID 1135525. Signed-off-by: Piotr Sikora <piotr@cloudflare.com>
2013-12-04Fixed build without SSL, broken by c82b2e020b9f.Maxim Dounin1-3/+3
2013-12-04SSL support in the uwsgi module.Maxim Dounin1-7/+197
Based on patch by Roberto De Ioris.
2013-11-29Upstream: skip empty cache headers.Maxim Dounin1-1/+1
Notably this fixes HTTP_IF_MODIFIED_SINCE which was always sent with cache enabled in fastcgi/scgi/uwsgi after 43ccaf8e8728.
2013-11-18Upstream: cache revalidation with conditional requests.Maxim Dounin1-1/+13
The following new directives are introduced: proxy_cache_revalidate, fastcgi_cache_revalidate, scgi_cache_revalidate, uwsgi_cache_revalidate. Default is off. When set to on, they enable cache revalidation using conditional requests with If-Modified-Since for expired cache items. As of now, no attempts are made to merge headers given in a 304 response during cache revalidation with headers previously stored in a cache item. Headers in a 304 response are only used to calculate new validity time of a cache item.
2013-09-27Upstream: subrequest_in_memory support for SCGI and uwsgi enabled.Maxim Dounin1-7/+0
This was missed in 9d59a8eda373 when non-buffered support was added to SCGI and uwsgi.
2013-05-27Upstream: http_403 support in proxy_next_upstream (and friends).Maxim Dounin1-0/+1
The parameter is mostly identical to http_404, and is expected to be used in similar situations. The 403 code might be returned by a backend instead of 404 on initial sync of new directories with rsync. See here for feature request and additional details: http://mailman.nginx.org/pipermail/nginx-ru/2013-April/050920.html
2013-02-23Trailing whitespace fix.Maxim Dounin1-1/+1
2013-02-20Connection upgrade support in uwsgi and scgi modules.Maxim Dounin1-1/+9
Prodded by Roberto De Ioris.
2013-01-16Fixed and improved the "*_bind" directives of proxying modules.Ruslan Ermilov1-0/+5
The "proxy_bind", "fastcgi_bind", "uwsgi_bind", "scgi_bind" and "memcached_bind" directives are now inherited; inherited value can be reset by the "off" parameter. Duplicate directives are now detected. Parameter value can now contain variables.
2012-12-06Allow the complex value to be defined as an empty string.Ruslan Ermilov1-1/+1
This makes conversion from strings to complex values possible without the loss of functionality.
2012-05-11Added r->state reset on fastcgi/scgi/uwsgi request start.Maxim Dounin1-0/+2
Failing to do so results in problems if 400 or 414 requests are redirected to fastcgi/scgi/uwsgi upstream, as well as after invalid headers got from upstream. This was already fixed for proxy in r3478, but fastcgi (the only affected protocol at that time) was missed. Reported by Matthieu Tourne.
2012-04-12Fixed grammar in error messages.Ruslan Ermilov1-6/+6
2012-03-15Fixed incorrect ngx_cpystrn() usage in ngx_http_*_process_header().Maxim Dounin1-2/+4
This resulted in a disclosure of previously freed memory if upstream server returned specially crafted response, potentially exposing sensitive information. Reported by Matthew Daley.
2012-03-15Uwsgi: merged r->http_version fixes from scgi module.Maxim Dounin1-12/+3
Fixed incorrect use of r->http_version (r4372). Removed duplicate function declaration (r4373). Removed error if there is no Status header (r4374).
2012-03-05Whitespace fixes.Maxim Dounin1-1/+2
2012-01-18Copyright updated.Maxim Konovalov1-0/+1
2012-01-16Fixed proxy_cache_use_stale in "no live upstreams" case.Maxim Dounin1-0/+4
2011-12-26Cache lock support for fastcgi, scgi, uwsgi.Maxim Dounin1-0/+22
2011-12-09uwsgi: added "if_not_empty" flag support to the "uwsgi_param" directive.Valentin Bartenev1-7/+44
2011-11-14Fixed fastcgi/scgi/uwsgi_param inheritance.Maxim Dounin1-30/+58
The following problems were fixed: 1. Directive fastcgi_cache affected headers sent to backends in unrelated servers / locations (see ticket #45). 2. If-Unmodified-Since, If-Match and If-Range headers were sent to backends if fastcgi_cache was used. 3. Cache-related headers were sent to backends if there were no fastcgi_param directives and fastcgi_cache was used at server level.
2011-11-14Separate functions to merge fastcgi/scgi/uwsgi params.Maxim Dounin1-28/+40
No functional changes.
2011-09-30Added uwsgi_buffering and scgi_buffering directives.Maxim Dounin1-1/+10
Patch by Peter Smit.
2011-08-19Fix ignored headers handling in fastcgi/scgi/uwsgi.Maxim Dounin1-1/+9
The bug had appeared in r3561 (fastcgi), r3638 (scgi), r3567 (uwsgi).
2011-07-29update r3945 with more descriptive error messageIgor Sysoev1-0/+2
2011-04-04fix case when a host in fastcgi_pass, scgi_pass, and uwsgi_passIgor Sysoev1-6/+1
is given by expression and refers to a defined upstream
2010-08-03inherit proxy_pass, fastcgi_pass, uwsgi_pass, scgi_pass insideIgor Sysoev1-0/+8
a limit_except block if no handler was defined for the block
2010-08-02fix directive typeIgor Sysoev1-4/+4
2010-07-19proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypassIgor Sysoev1-0/+11
2010-07-14fix scgi_no_cache and uwsgi_no_cache initializationIgor Sysoev1-0/+1
2010-07-14use ngx_http_test_predicates(), ngx_http_set_predicate_slot()Igor Sysoev1-1/+1
delete ngx_http_cache(), ngx_http_no_cache_set_slot()
2010-07-02do not use a cache headers set to hideIgor Sysoev1-24/+1
2010-07-02use shared ngx_http_upstream_ignore_headers_masks[]Igor Sysoev1-10/+1
2010-06-15style fixIgor Sysoev1-1/+1
2010-06-15fix r3628Igor Sysoev1-22/+11
2010-06-15make code more obviuosIgor Sysoev1-5/+6
2010-06-15use ngx_http_parse_status_line()Igor Sysoev1-221/+11
2010-06-15update the previous commitIgor Sysoev1-4/+0
2010-06-15support CGI-style responseIgor Sysoev1-4/+45
2010-06-15style fixIgor Sysoev1-1/+2
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