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* Fixed location of debug message in ngx_shmtx_lock().Ruslan Ermilov2012-11-21
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* Request body: unbreak build without debug.Maxim Dounin2012-11-21
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* Request body: chunked transfer encoding support.Maxim Dounin2012-11-21
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* Request body: recalculate size of a request body in scgi module.Maxim Dounin2012-11-21
| | | | | This allows to handle requests with chunked body by scgi module, and also simplifies handling of various request body modifications.
* Request body: $content_length variable to honor real body size.Maxim Dounin2012-11-21
| | | | | This allows to handle requests with chunked body by fastcgi and uwsgi modules, and also simplifies handling of various request body modifications.
* Request body: always use calculated size of a request body in proxy.Maxim Dounin2012-11-21
| | | | | This allows to handle requests with chunked body, and also simplifies handling of various request body modifications.
* Request body: adjust b->pos when chunked parsing done.Maxim Dounin2012-11-21
| | | | | This is a nop for the current code, though will allow to correctly parse pipelined requests.
* Request body: chunked parsing moved to ngx_http_parse.c from proxy.Maxim Dounin2012-11-21
| | | | No functional changes.
* Request body: properly handle events while discarding body.Maxim Dounin2012-11-21
| | | | | | An attempt to call ngx_handle_read_event() before actually reading data from a socket might result in read event being disabled, which is wrong. Catched by body.t test on Solaris.
* Request body: fixed socket leak on errors.Maxim Dounin2012-11-21
| | | | | | The r->main->count reference counter was always incremented in ngx_http_read_client_request_body(), while it is only needs to be incremented on positive returns.
* Request body: code duplication reduced, no functional changes.Maxim Dounin2012-11-21
| | | | | The r->request_body_in_file_only with empty body case is now handled in ngx_http_write_request_body().
* Request body: $request_body variable generalization.Maxim Dounin2012-11-21
| | | | | | | The $request_body variable was assuming there can't be more than two buffers. While this is currently true due to request body reading implementation details, this is not a good thing to depend on and may change in the future.
* Request body: fixed "501 Not Implemented" error handling.Maxim Dounin2012-11-21
| | | | | | | | | It is not about "Method" but a generic message, and is expected to be used e.g. if specified Transfer-Encoding is not supported. Fixed message to match RFC 2616. Additionally, disable keepalive on such errors as we won't be able to read request body correctly if we don't understand Transfer-Encoding used.
* Core: added debug logging of writev() in ngx_write_chain_to_file().Maxim Dounin2012-11-21
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* Dav: fixed segfault on PUT if body was already read (ticket #238).Maxim Dounin2012-11-21
| | | | | | | | If request body reading happens with different options it's possible that there will be no r->request_body->temp_file available (or even no r->request_body available if body was discarded). Return internal server error in this case instead of committing suicide by dereferencing a null pointer.
* Fixed failure to start cache manager and cache loader processesIgor Sysoev2012-11-20
| | | | if there were more than 512 listening sockets in configuration.
* Trailing whitespace fix.Maxim Dounin2012-11-17
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* Upstream: better detection of connect() failures with kqueue.Maxim Dounin2012-11-16
| | | | | | | Pending EOF might be reported on both read and write events, whichever comes first, so check both of them. Patch by Yichun Zhang (agentzh), slightly modified.
* Upstream: honor the "down" flag for a single server.Ruslan Ermilov2012-11-16
| | | | | | | | | | | | | | If an upstream block was defined with the only server marked as "down", e.g. upstream u { server 127.0.0.1:8080 down; } an attempt was made to contact the server despite the "down" flag. It is believed that immediate 502 response is better in such a case, and it's also consistent with what is currently done in case of multiple servers all marked as "down".
* Variables $request_time and $msec.Ruslan Ermilov2012-11-16
| | | | Log module counterparts are preserved for efficiency.
* Fixed setting of CPU affinity on respawn of dead worker processes.Ruslan Ermilov2012-11-16
| | | | | Worker processes are now made aware of their sequential number needed to select CPU affinity mask. This replaces a workaround from r4865.
* Version bump.Ruslan Ermilov2012-11-16
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* Event pipe: fixed handling of buf_to_file data.Maxim Dounin2012-10-30
| | | | | | | | | | | | | | | Input filter might free a buffer if there is no data in it, and in case of first buffer (used for cache header and request header, aka p->buf_to_file) this resulted in cache corruption. Buffer memory was reused to read upstream response before headers were written to disk. Fix is to avoid moving pointers in ngx_event_pipe_add_free_buf() to a buffer start if we were asked to free a buffer used by p->buf_to_file. This fixes occasional cache file corruption, usually resulted in "cache file ... has md5 collision" alerts. Reported by Anatoli Marinov.
* Variables $connection and $connection_requests.Maxim Dounin2012-10-29
| | | | | Log module counterparts are removed as they aren't used often and there is no need to preserve them for efficiency.
* Resolver: added missing memory allocation error handling.Maxim Dounin2012-10-24
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* ngx_http_keepalive_handler() is now trying to not keep c->buffer's memory forValentin Bartenev2012-10-23
| | | | | | | idle connections. This behaviour is consistent with the ngx_http_set_keepalive() function and it should decrease memory usage in some cases (especially if epoll/rtsig is used).
* Core: the "auto" parameter of the "worker_processes" directive.Andrey Belov2012-10-23
| | | | | The parameter will set the number of worker processes to the autodetected number of available CPU cores.
* Removed conditional compilation from waitpid() error test.Maxim Dounin2012-10-18
| | | | | | There are reports that call to a signal handler for an exited process despite waitpid() already called for the process may happen on Linux as well.
* Gunzip: fixed r->gzip_ok check.Maxim Dounin2012-10-18
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* OCSP stapling: properly check if there is ssl.ctx.Maxim Dounin2012-10-05
| | | | | This fixes segfault if stapling was enabled in a server without a certificate configured (and hence no ssl.ctx).
* Variable $bytes_sent.Maxim Dounin2012-10-03
| | | | | | | It replicates variable $bytes_sent as previously available in log module only. Patch by Benjamin Grössing (with minor changes).
* Log: $apache_bytes_sent removed.Maxim Dounin2012-10-03
| | | | | It was renamed to $body_bytes_sent in nginx 0.3.10 and the old name is deprecated since then.
* SSL: the "ssl_verify_client" directive parameter "optional_no_ca".Maxim Dounin2012-10-03
| | | | | | | | | | | This parameter allows to don't require certificate to be signed by a trusted CA, e.g. if CA certificate isn't known in advance, like in WebID protocol. Note that it doesn't add any security unless the certificate is actually checked to be trusted by some external means (e.g. by a backend). Patch by Mike Kazantsev, Eric O'Connor.
* Version bump.Maxim Dounin2012-10-03
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* OCSP stapling: build fixes.Maxim Dounin2012-10-01
| | | | | | | With the "ssl_stapling_verify" commit build with old OpenSSL libraries was broken due to incorrect prototype of the ngx_ssl_stapling() function. One incorrect use of ngx_log_debug() instead of ngx_log_debug2() slipped in and broke win32 build.
* OCSP stapling: ssl_stapling_verify directive.Maxim Dounin2012-10-01
| | | | | | | | | | OCSP response verification is now switched off by default to simplify configuration, and the ssl_stapling_verify allows to switch it on. Note that for stapling OCSP response verification isn't something required as it will be done by a client anyway. But doing verification on a server allows to mitigate some attack vectors, most notably stop an attacker from presenting some specially crafted data to all site clients.
* OCSP stapling: OCSP_basic_verify() OCSP_TRUSTOTHER flag now used.Maxim Dounin2012-10-01
| | | | | | This is expected to simplify configuration in a common case when OCSP response is signed by a certificate already present in ssl_certificate chain. This case won't need any extra trusted certificates.
* OCSP stapling: log error data in ngx_ssl_error().Maxim Dounin2012-10-01
| | | | | It's hard to debug OCSP_basic_verify() failures without the actual error string it records in the error data field.
* OCSP stapling: check Content-Type.Maxim Dounin2012-10-01
| | | | | | | | | | | | | | | | This will result in better error message in case of incorrect response from OCSP responder: ... OCSP responder sent invalid "Content-Type" header: "text/plain" while requesting certificate status, responder: ... vs. ... d2i_OCSP_RESPONSE() failed (SSL: error:0D07209B:asn1 encoding routines:ASN1_get_object:too long error:0D068066:asn1 encoding routines:ASN1_CHECK_TLEN:bad object header error:0D07803A:asn1 encoding routines:ASN1_ITEM_EX_D2I:nested asn1 error) while requesting certificate status, responder: ...
* OCSP stapling: loading OCSP responses.Maxim Dounin2012-10-01
| | | | | | | | | | | | | This includes the ssl_stapling_responder directive (defaults to OCSP responder set in certificate's AIA extension). OCSP response for a given certificate is requested once we get at least one connection with certificate_status extension in ClientHello, and certificate status won't be sent in the connection in question. This due to limitations in the OpenSSL API (certificate status callback is blocking). Note: SSL_CTX_use_certificate_chain_file() was reimplemented as it doesn't allow to access the certificate loaded via SSL_CTX.
* OCSP stapling: the ngx_event_openssl_stapling.c file.Maxim Dounin2012-10-01
| | | | Missed in previous commit.
* OCSP stapling: ssl_stapling_file support.Maxim Dounin2012-10-01
| | | | | | | | | | Very basic version without any OCSP responder query code, assuming valid DER-encoded OCSP response is present in a ssl_stapling_file configured. Such file might be produced with openssl like this: openssl ocsp -issuer root.crt -cert domain.crt -respout domain.staple \ -url http://ocsp.example.com
* OCSP stapling: ssl_trusted_certificate directive.Maxim Dounin2012-10-01
| | | | | | | | | | | | | | The directive allows to specify additional trusted Certificate Authority certificates to be used during certificate verification. In contrast to ssl_client_certificate DNs of these cerificates aren't sent to a client during handshake. Trusted certificates are loaded regardless of the fact whether client certificates verification is enabled as the same certificates will be used for OCSP stapling, during construction of an OCSP request and for verification of an OCSP response. The same applies to a CRL (which is now always loaded).
* Resolver: cached addresses are returned with random rotation now.Maxim Dounin2012-09-28
| | | | | | | This ensures balancing when working with dynamically resolved upstream servers with multiple addresses. Based on patch by Anton Jouline.
* Correct plural form for "path" in the whole source base.Andrey Belov2012-09-28
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* Made sure to initialize the entire ngx_file_t structure.Andrey Belov2012-09-28
| | | | Found by Coverity.
* SSL: added version checks for ssl compression workaround.Maxim Dounin2012-09-27
| | | | | | The SSL_COMP_get_compression_methods() is only available as an API function in OpenSSL 0.9.8+, require it explicitly to unbreak build with OpenSSL 0.9.7.
* SSL: fixed compression workaround to remove all methods.Maxim Dounin2012-09-27
| | | | | | | | Previous code used sk_SSL_COMP_delete(ssl_comp_methods, i) while iterating stack from 0 to n, resulting in removal of only even compression methods. In real life this change is a nop, as there is only one compression method which is enabled by default in OpenSSL.
* Added clearing of cpu_affinity after process spawn.Maxim Dounin2012-09-26
| | | | | | | | | This fixes unwanted/incorrect cpu_affinity use on dead worker processes respawn. While this is not ideal, it's expected to be better when previous situation where multiple processes were spawn with identical CPU affinity set. Reported by Charles Chen.
* Version bump.Maxim Dounin2012-09-26
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