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2013-01-16Fixed and improved the "*_bind" directives of proxying modules.Ruslan Ermilov8-12/+131
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.
2013-01-10Fixed "proxy_pass" with IP address and no port (ticket #276).Ruslan Ermilov4-15/+14
Upstreams created by "proxy_pass" with IP address and no port were broken in 1.3.10, by not initializing port in u->sockaddr. API change: ngx_parse_url() was modified to always initialize port (in u->sockaddr and in u->port), even for the u->no_resolve case; ngx_http_upstream() and ngx_http_upstream_add() were adopted.
2013-01-09SSL: speedup loading of configs with many ssl servers.Maxim Dounin1-2/+2
The patch saves one EC_KEY_generate_key() call per server{} block by informing OpenSSL about SSL_OP_SINGLE_ECDH_USE we are going to use before the SSL_CTX_set_tmp_ecdh() call. For a configuration file with 10k simple server{} blocks with SSL enabled this change reduces startup time from 18s to 5s on a slow test box here.
2013-01-08Events: added check for duplicate "events" directive.Valentin Bartenev1-0/+4
2013-01-08The data pointer in ngx_open_file_t objects must be initialized.Valentin Bartenev1-0/+1
Uninitialized pointer may result in arbitrary segfaults if access_log is used without buffer and without variables in file path. Patch by Tatsuhiko Kubo (ticket #268).
2012-12-27Geo: improved code readability.Ruslan Ermilov1-54/+61
2012-12-26Upstream keepalive: detect duplicate "keepalive" directive.Ruslan Ermilov1-0/+4
A failure to detect duplicate "keepalive" directive resulted in stack exhaustion.
2012-12-26Version bump.Ruslan Ermilov2-3/+3
2012-12-26Geo: made "default" affect both IPv4 and IPv6 when using prefixes.Ruslan Ermilov1-48/+77
Previously, "default" was equivalent to specifying 0.0.0.0/0, now it's equivalent to specifying both 0.0.0.0/0 and ::/0 (if support for IPv6 is enabled) with the same value.
2012-12-25Geo: properly initialize ngx_cidr_t when dealing with "default".Ruslan Ermilov1-1/+1
2012-12-25Geo: IPv6 support.Ruslan Ermilov3-79/+442
The "ranges" mode is still limited to IPv4 only.
2012-12-25Upstream: fixed state resetting when switching to backup servers.Valentin Bartenev2-2/+6
Based on patch by Thomas Chen (ticket #257).
2012-12-24Fixed HEAD requests handling when proxying is used (closes #261).Valentin Bartenev2-1/+2
2012-12-24Trailing whitespace fix.Ruslan Ermilov1-2/+2
2012-12-23Access log: the "gzip" parameter of the "access_log" directive.Valentin Bartenev1-5/+213
Note: this requires zlib version 1.2.0.4 or above to work.
2012-12-23Access log: the "flush" parameter of the "access_log" directive.Valentin Bartenev1-23/+97
2012-12-23Reopening log files code moved to a separate function.Valentin Bartenev4-67/+77
The code refactored in a way to call custom handler that can do appropriate cleanup work (if any), like flushing buffers, finishing compress streams, finalizing connections to log daemon, etc..
2012-12-23Access log: fixed redundant buffer reallocation.Valentin Bartenev1-5/+9
Previously a new buffer was allocated for every "access_log" directive with the same file path and "buffer=" parameters, while only one buffer per file is used.
2012-12-22Properly initialize "struct in6_addr" with zeroes.Ruslan Ermilov1-1/+1
2012-12-21Core: crypt_r() error handling fixed.Maxim Dounin1-14/+13
The crypt_r() function returns NULL on errors, check it explicitly instead of assuming errno will remain 0 if there are no errors (per POSIX, the setting of errno after a successful call to a function is unspecified unless the description of that function specifies that errno shall not be modified). Additionally, dropped unneeded ngx_set_errno(0) and fixed error handling of memory allocation after normal crypt(), which was inapropriate and resulted in null pointer dereference on allocation failures.
2012-12-21Image filter: fixed image_filter rotate inheritance.Maxim Dounin1-9/+15
Configurations like location /i/ { image_filter resize 200 200; image_filter rotate 180; location /i/foo/ { image_filter resize 200 200; } } resulted in rotation incorrectly applied in the location /i/foo, without any way to clear it. Fix is to handle conf->angle/conf->acv consistently with other filter variables and do not try to inherit them if there are transformations defined for current location.
2012-12-21Geo: ensure that default entry is always present.Ruslan Ermilov1-4/+2
If 0.0.0.0/32 entry was present and there was no explicit "default", we failed to add an empty string as a default value.
2012-12-21There's no need to normalize address returned by ngx_ptocidr().Ruslan Ermilov1-1/+1
2012-12-20Image filter: configuration inheritance fixes.Maxim Dounin1-10/+18
The image_filter_jpeg_quality, image_filter_sharpen and "image_filter rotate" were inherited incorrectly if a directive with variables was defined, and then redefined to a literal value, i.e. in configurations like image_filter_jpeg_quality $arg_q; location / { image_filter_jpeg_quality 50; } Patch by Ian Babrou, with minor changes.
2012-12-20Brought the link to ngx_http_perl_module documentation up to date.Ruslan Ermilov1-1/+1
2012-12-20Fixed return type of internal function that allocates radix tree nodes.Ruslan Ermilov1-5/+5
2012-12-19Let "add_header" affect 201 responses (ticket #125).Ruslan Ermilov1-0/+1
2012-12-19Slightly optimized code that handles special headers in "add_header".Ruslan Ermilov1-29/+21
2012-12-18Avoid sending "100 Continue" on 413 Request Entity Too Large.Maxim Dounin1-0/+1
Patch by Igor Sysoev.
2012-12-17Added checks that disallow adding a variable with an empty name.Ruslan Ermilov7-6/+32
Added variable name syntax checks to "geo" and "map" directives.
2012-12-17Implemented IPv6 support for URLs specified using domain names.Ruslan Ermilov4-31/+212
This includes "debug_connection", upstreams, "proxy_pass", etc. (ticket #92) To preserve compatibility, "listen" specified with a domain name selects the first IPv4 address, if available. If not available, the first IPv6 address will be used (ticket #186).
2012-12-17Fixed URL parsing code.Ruslan Ermilov1-5/+5
The URL parsing code is not expected to initialize port from default port when in "no_resolve" mode. This got broken in r4671 for the case of IPv6 literals.
2012-12-17Simplified URL parsing code.Ruslan Ermilov1-30/+26
Except for the "listen" directive, "*" specified as a hostname is no longer treated specially.
2012-12-14Geo: fixed the "ranges" without ranges case.Ruslan Ermilov1-15/+18
The following configuration returned an empty value for $geo: geo $geo { ranges; default default; }
2012-12-14Geo: improved ngx_http_geo_block() code readability.Ruslan Ermilov1-3/+2
2012-12-14Fixed handling of ngx_write_fd() and ngx_read_fd() errors.Valentin Bartenev3-6/+6
The ngx_write_fd() and ngx_read_fd() functions return -1 in case of error, so the incorrect comparison with NGX_FILE_ERROR (which is 0 on windows platforms) might result in inaccurate error message in the error log. Also the ngx_errno global variable is being set only if the returned value is -1.
2012-12-14Gzip: fixed zlib memLevel adjusting.Valentin Bartenev1-0/+4
An incorrect memLevel (lower than 1) might be passed to deflateInit2() if the "gzip_hash" directive is set to a value less than the value of "gzip_window" directive. This resulted in "deflateInit2() failed: -2" alert and an empty reply.
2012-12-13Upstream: fixed SIGSEGV with the "if" directive.Maxim Dounin1-0/+8
Configuration like location / { set $true 1; if ($true) { proxy_pass http://backend; } if ($true) { # nothing } } resulted in segmentation fault due to NULL pointer dereference as the upstream configuration wasn't initialized in an implicit location created by the last if(), but the r->content_handler was set due to first if(). Instead of committing a suicide by dereferencing a NULL pointer, return 500 (Internal Server Error) in such cases, i.e. if uscf is NULL. Better fix would be to avoid such cases by fixing the "if" directive handling, but it's out of scope of this patch. Prodded by Piotr Sikora.
2012-12-13Fixed variable syntax checking in "set", "geo", "limit_conn_zone",Ruslan Ermilov4-4/+11
and "perl_set" directives.
2012-12-13Proxy: better error message about unexpected data.Maxim Dounin1-1/+2
Requested by Igor Sysoev.
2012-12-12Limit rate: fixed integer overflow in limit calculation (ticket #256).Valentin Bartenev1-1/+1
Patch by Alexey Antropov.
2012-12-10The "auth_basic" directive gained support of variables.Ruslan Ermilov1-47/+36
2012-12-06Allow the complex value to be defined as an empty string.Ruslan Ermilov8-18/+14
This makes conversion from strings to complex values possible without the loss of functionality.
2012-12-06Xslt: prevented infinite loop.Ruslan Ermilov1-2/+2
If XSLT transformation failed and error 500 was handled in the same location, an infinite loop occured that exhausted the stack.
2012-12-03Fixed build with embedded perl in certain setups (ticket #48).Ruslan Ermilov1-14/+3
2012-11-30Fixed the NGX_SOCKADDR_STRLEN macro definition.Ruslan Ermilov1-1/+1
The ngx_sock_ntop() function, when told to print both address and port, prints IPv6 address in square brackets, followed by colon and port.
2012-11-29Core: removed GLOB_NOSORT glob option.Maxim Dounin1-1/+1
This will result in alphabetical sorting of included files if the "include" directive with wildcards is used. Note that the behaviour is now different from that on Windows, where alphabetical sorting is not guaranteed for FindFirsFile()/FindNextFile() (used to be alphabetical on NTFS, but not on FAT). Approved by Igor Sysoev, prodded by many.
2012-11-29Version bump.Maxim Dounin2-3/+3
2012-11-26Gunzip: added missing ngx_http_clear_etag().Maxim Dounin1-0/+1
2012-11-26Core: fixed ngx_write_chain_to_file() with IOV_MAX reached.Maxim Dounin1-0/+1
Catched by dav_chunked.t on Solaris. In released versions this might potentially result in corruption of complex protocol responses if they were written to disk and there were more distinct buffers than IOV_MAX in a single write.
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