2004-05-12 01:37:55 -04:00
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2004-09-28 04:34:51 -04:00
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/*
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2004-09-29 12:00:49 -04:00
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* Copyright (C) Igor Sysoev
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2004-09-28 04:34:51 -04:00
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*/
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2004-05-12 01:37:55 -04:00
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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typedef struct {
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ngx_bufs_t bufs;
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} ngx_http_copy_filter_conf_t;
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static void *ngx_http_copy_filter_create_conf(ngx_conf_t *cf);
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static char *ngx_http_copy_filter_merge_conf(ngx_conf_t *cf,
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2005-03-19 08:38:37 -04:00
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void *parent, void *child);
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2006-08-30 06:39:17 -04:00
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static ngx_int_t ngx_http_copy_filter_init(ngx_conf_t *cf);
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2004-05-12 01:37:55 -04:00
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static ngx_command_t ngx_http_copy_filter_commands[] = {
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2005-03-19 08:38:37 -04:00
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{ ngx_string("output_buffers"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2,
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ngx_conf_set_bufs_slot,
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NGX_HTTP_LOC_CONF_OFFSET,
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offsetof(ngx_http_copy_filter_conf_t, bufs),
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NULL },
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2004-05-12 01:37:55 -04:00
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2005-03-19 08:38:37 -04:00
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ngx_null_command
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2004-05-12 01:37:55 -04:00
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};
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static ngx_http_module_t ngx_http_copy_filter_module_ctx = {
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nginx-0.1.29-RELEASE import
*) Feature: the ngx_http_ssi_module supports "include virtual" command.
*) Feature: the ngx_http_ssi_module supports the condition command like
'if expr="$NAME"' and "else" and "endif" commands. Only one nested
level is supported.
*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and
DATE_GMT variables and "config timefmt" command.
*) Feature: the "ssi_ignore_recycled_buffers" directive.
*) Bugfix: the "echo" command did not show the default value for the
empty QUERY_STRING variable.
*) Change: the ngx_http_proxy_module was rewritten.
*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
"proxy_pass_request_body", and "proxy_method" directives.
*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
canceled and must be replaced with the proxy_set_header directive.
*) Change: the "proxy_preserve_host" is canceled and must be replaced
with the "proxy_set_header Host $host" and the "proxy_redirect off"
directives, the "proxy_set_header Host $host:$proxy_port" directive
and the appropriate proxy_redirect directives.
*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
with the "proxy_set_header X-Real-IP $remote_addr" directive.
*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
replaced with
the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
directive.
*) Change: the "proxy_set_x_url" is canceled and must be replaced with
the "proxy_set_header X-URL http://$host:$server_port$request_uri"
directive.
*) Feature: the "fastcgi_param" directive.
*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
directive are canceled and must be replaced with the fastcgi_param
directives.
*) Feature: the "index" directive can use the variables.
*) Feature: the "index" directive can be used at http and server levels.
*) Change: the last index only in the "index" directive can be absolute.
*) Feature: the "rewrite" directive can use the variables.
*) Feature: the "internal" directive.
*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
*) Change: nginx now passes the invalid lines in a client request
headers or a backend response header.
*) Bugfix: if the backend did not transfer response for a long time and
the "send_timeout" was less than "proxy_read_timeout", then nginx
returned the 408 response.
*) Bugfix: the segmentation fault was occurred if the backend sent an
invalid line in response header; the bug had appeared in 0.1.26.
*) Bugfix: the segmentation fault may occurred in FastCGI fault
tolerance configuration.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" and "Cache-Control" headers.
*) Bugfix: nginx did not take into account trailing dot in "Host"
header line.
*) Bugfix: the ngx_http_auth_module did not work under Linux.
*) Bugfix: the rewrite directive worked incorrectly, if the arguments
were in a request.
*) Bugfix: nginx could not be built on MacOS X.
2005-05-12 10:58:06 -04:00
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NULL, /* preconfiguration */
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2006-08-30 06:39:17 -04:00
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ngx_http_copy_filter_init, /* postconfiguration */
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2004-05-12 01:37:55 -04:00
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NULL, /* create main configuration */
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NULL, /* init main configuration */
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NULL, /* create server configuration */
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NULL, /* merge server configuration */
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ngx_http_copy_filter_create_conf, /* create location configuration */
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ngx_http_copy_filter_merge_conf /* merge location configuration */
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};
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ngx_module_t ngx_http_copy_filter_module = {
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nginx-0.1.29-RELEASE import
*) Feature: the ngx_http_ssi_module supports "include virtual" command.
*) Feature: the ngx_http_ssi_module supports the condition command like
'if expr="$NAME"' and "else" and "endif" commands. Only one nested
level is supported.
*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and
DATE_GMT variables and "config timefmt" command.
*) Feature: the "ssi_ignore_recycled_buffers" directive.
*) Bugfix: the "echo" command did not show the default value for the
empty QUERY_STRING variable.
*) Change: the ngx_http_proxy_module was rewritten.
*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
"proxy_pass_request_body", and "proxy_method" directives.
*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
canceled and must be replaced with the proxy_set_header directive.
*) Change: the "proxy_preserve_host" is canceled and must be replaced
with the "proxy_set_header Host $host" and the "proxy_redirect off"
directives, the "proxy_set_header Host $host:$proxy_port" directive
and the appropriate proxy_redirect directives.
*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
with the "proxy_set_header X-Real-IP $remote_addr" directive.
*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
replaced with
the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
directive.
*) Change: the "proxy_set_x_url" is canceled and must be replaced with
the "proxy_set_header X-URL http://$host:$server_port$request_uri"
directive.
*) Feature: the "fastcgi_param" directive.
*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
directive are canceled and must be replaced with the fastcgi_param
directives.
*) Feature: the "index" directive can use the variables.
*) Feature: the "index" directive can be used at http and server levels.
*) Change: the last index only in the "index" directive can be absolute.
*) Feature: the "rewrite" directive can use the variables.
*) Feature: the "internal" directive.
*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
*) Change: nginx now passes the invalid lines in a client request
headers or a backend response header.
*) Bugfix: if the backend did not transfer response for a long time and
the "send_timeout" was less than "proxy_read_timeout", then nginx
returned the 408 response.
*) Bugfix: the segmentation fault was occurred if the backend sent an
invalid line in response header; the bug had appeared in 0.1.26.
*) Bugfix: the segmentation fault may occurred in FastCGI fault
tolerance configuration.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" and "Cache-Control" headers.
*) Bugfix: nginx did not take into account trailing dot in "Host"
header line.
*) Bugfix: the ngx_http_auth_module did not work under Linux.
*) Bugfix: the rewrite directive worked incorrectly, if the arguments
were in a request.
*) Bugfix: nginx could not be built on MacOS X.
2005-05-12 10:58:06 -04:00
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NGX_MODULE_V1,
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2004-05-12 01:37:55 -04:00
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&ngx_http_copy_filter_module_ctx, /* module context */
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ngx_http_copy_filter_commands, /* module directives */
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NGX_HTTP_MODULE, /* module type */
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2005-09-08 10:36:09 -04:00
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NULL, /* init master */
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2006-08-30 06:39:17 -04:00
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NULL, /* init module */
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2005-09-08 10:36:09 -04:00
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NULL, /* init process */
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NULL, /* init thread */
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NULL, /* exit thread */
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NULL, /* exit process */
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NULL, /* exit master */
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NGX_MODULE_V1_PADDING
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2004-05-12 01:37:55 -04:00
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};
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static ngx_http_output_body_filter_pt ngx_http_next_filter;
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2005-03-19 08:38:37 -04:00
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static ngx_int_t
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ngx_http_copy_filter(ngx_http_request_t *r, ngx_chain_t *in)
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2004-05-12 01:37:55 -04:00
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{
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2005-12-05 10:18:09 -03:00
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ngx_int_t rc;
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ngx_connection_t *c;
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2004-05-12 01:37:55 -04:00
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ngx_output_chain_ctx_t *ctx;
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ngx_http_copy_filter_conf_t *conf;
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2005-12-05 10:18:09 -03:00
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c = r->connection;
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ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
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"copy filter: \"%V?%V\"", &r->uri, &r->args);
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nginx-0.1.29-RELEASE import
*) Feature: the ngx_http_ssi_module supports "include virtual" command.
*) Feature: the ngx_http_ssi_module supports the condition command like
'if expr="$NAME"' and "else" and "endif" commands. Only one nested
level is supported.
*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and
DATE_GMT variables and "config timefmt" command.
*) Feature: the "ssi_ignore_recycled_buffers" directive.
*) Bugfix: the "echo" command did not show the default value for the
empty QUERY_STRING variable.
*) Change: the ngx_http_proxy_module was rewritten.
*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
"proxy_pass_request_body", and "proxy_method" directives.
*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
canceled and must be replaced with the proxy_set_header directive.
*) Change: the "proxy_preserve_host" is canceled and must be replaced
with the "proxy_set_header Host $host" and the "proxy_redirect off"
directives, the "proxy_set_header Host $host:$proxy_port" directive
and the appropriate proxy_redirect directives.
*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
with the "proxy_set_header X-Real-IP $remote_addr" directive.
*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
replaced with
the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
directive.
*) Change: the "proxy_set_x_url" is canceled and must be replaced with
the "proxy_set_header X-URL http://$host:$server_port$request_uri"
directive.
*) Feature: the "fastcgi_param" directive.
*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
directive are canceled and must be replaced with the fastcgi_param
directives.
*) Feature: the "index" directive can use the variables.
*) Feature: the "index" directive can be used at http and server levels.
*) Change: the last index only in the "index" directive can be absolute.
*) Feature: the "rewrite" directive can use the variables.
*) Feature: the "internal" directive.
*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
*) Change: nginx now passes the invalid lines in a client request
headers or a backend response header.
*) Bugfix: if the backend did not transfer response for a long time and
the "send_timeout" was less than "proxy_read_timeout", then nginx
returned the 408 response.
*) Bugfix: the segmentation fault was occurred if the backend sent an
invalid line in response header; the bug had appeared in 0.1.26.
*) Bugfix: the segmentation fault may occurred in FastCGI fault
tolerance configuration.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" and "Cache-Control" headers.
*) Bugfix: nginx did not take into account trailing dot in "Host"
header line.
*) Bugfix: the ngx_http_auth_module did not work under Linux.
*) Bugfix: the rewrite directive worked incorrectly, if the arguments
were in a request.
*) Bugfix: nginx could not be built on MacOS X.
2005-05-12 10:58:06 -04:00
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ctx = ngx_http_get_module_ctx(r, ngx_http_copy_filter_module);
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2004-05-12 01:37:55 -04:00
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if (ctx == NULL) {
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nginx-0.1.29-RELEASE import
*) Feature: the ngx_http_ssi_module supports "include virtual" command.
*) Feature: the ngx_http_ssi_module supports the condition command like
'if expr="$NAME"' and "else" and "endif" commands. Only one nested
level is supported.
*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and
DATE_GMT variables and "config timefmt" command.
*) Feature: the "ssi_ignore_recycled_buffers" directive.
*) Bugfix: the "echo" command did not show the default value for the
empty QUERY_STRING variable.
*) Change: the ngx_http_proxy_module was rewritten.
*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
"proxy_pass_request_body", and "proxy_method" directives.
*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
canceled and must be replaced with the proxy_set_header directive.
*) Change: the "proxy_preserve_host" is canceled and must be replaced
with the "proxy_set_header Host $host" and the "proxy_redirect off"
directives, the "proxy_set_header Host $host:$proxy_port" directive
and the appropriate proxy_redirect directives.
*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
with the "proxy_set_header X-Real-IP $remote_addr" directive.
*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
replaced with
the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
directive.
*) Change: the "proxy_set_x_url" is canceled and must be replaced with
the "proxy_set_header X-URL http://$host:$server_port$request_uri"
directive.
*) Feature: the "fastcgi_param" directive.
*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
directive are canceled and must be replaced with the fastcgi_param
directives.
*) Feature: the "index" directive can use the variables.
*) Feature: the "index" directive can be used at http and server levels.
*) Change: the last index only in the "index" directive can be absolute.
*) Feature: the "rewrite" directive can use the variables.
*) Feature: the "internal" directive.
*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
*) Change: nginx now passes the invalid lines in a client request
headers or a backend response header.
*) Bugfix: if the backend did not transfer response for a long time and
the "send_timeout" was less than "proxy_read_timeout", then nginx
returned the 408 response.
*) Bugfix: the segmentation fault was occurred if the backend sent an
invalid line in response header; the bug had appeared in 0.1.26.
*) Bugfix: the segmentation fault may occurred in FastCGI fault
tolerance configuration.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" and "Cache-Control" headers.
*) Bugfix: nginx did not take into account trailing dot in "Host"
header line.
*) Bugfix: the ngx_http_auth_module did not work under Linux.
*) Bugfix: the rewrite directive worked incorrectly, if the arguments
were in a request.
*) Bugfix: nginx could not be built on MacOS X.
2005-05-12 10:58:06 -04:00
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conf = ngx_http_get_module_loc_conf(r, ngx_http_copy_filter_module);
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2004-05-12 01:37:55 -04:00
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2005-03-19 08:38:37 -04:00
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ctx = ngx_pcalloc(r->pool, sizeof(ngx_output_chain_ctx_t));
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if (ctx == NULL) {
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return NGX_ERROR;
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}
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ngx_http_set_ctx(r, ctx, ngx_http_copy_filter_module);
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2004-05-12 01:37:55 -04:00
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2005-12-05 10:18:09 -03:00
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ctx->sendfile = c->sendfile;
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2005-05-16 09:53:20 -04:00
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ctx->need_in_memory = r->main_filter_need_in_memory
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|| r->filter_need_in_memory;
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2004-06-06 15:49:18 -04:00
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ctx->need_in_temp = r->filter_need_temporary;
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2004-05-12 01:37:55 -04:00
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ctx->pool = r->pool;
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ctx->bufs = conf->bufs;
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2004-05-28 11:49:23 -04:00
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ctx->tag = (ngx_buf_tag_t) &ngx_http_copy_filter_module;
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2004-05-12 01:37:55 -04:00
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ctx->output_filter = (ngx_output_chain_filter_pt) ngx_http_next_filter;
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ctx->filter_ctx = r;
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2006-07-28 11:16:17 -04:00
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r->request_output = 1;
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2004-05-12 01:37:55 -04:00
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}
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2005-12-05 10:18:09 -03:00
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rc = ngx_output_chain(ctx, in);
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if (!c->destroyed) {
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2006-10-30 17:25:22 -03:00
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if (ctx->in == NULL) {
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r->buffered &= ~NGX_HTTP_COPY_BUFFERED;
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} else {
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r->buffered |= NGX_HTTP_COPY_BUFFERED;
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}
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2007-07-05 07:42:11 -04:00
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if (r != r->main) {
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r->out = ctx->in;
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}
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2006-10-30 17:25:22 -03:00
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#if (NGX_DEBUG)
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2005-12-05 10:18:09 -03:00
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ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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"copy filter: %i \"%V?%V\"", rc, &r->uri, &r->args);
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#endif
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nginx-0.1.29-RELEASE import
*) Feature: the ngx_http_ssi_module supports "include virtual" command.
*) Feature: the ngx_http_ssi_module supports the condition command like
'if expr="$NAME"' and "else" and "endif" commands. Only one nested
level is supported.
*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and
DATE_GMT variables and "config timefmt" command.
*) Feature: the "ssi_ignore_recycled_buffers" directive.
*) Bugfix: the "echo" command did not show the default value for the
empty QUERY_STRING variable.
*) Change: the ngx_http_proxy_module was rewritten.
*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
"proxy_pass_request_body", and "proxy_method" directives.
*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
canceled and must be replaced with the proxy_set_header directive.
*) Change: the "proxy_preserve_host" is canceled and must be replaced
with the "proxy_set_header Host $host" and the "proxy_redirect off"
directives, the "proxy_set_header Host $host:$proxy_port" directive
and the appropriate proxy_redirect directives.
*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
with the "proxy_set_header X-Real-IP $remote_addr" directive.
*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
replaced with
the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
directive.
*) Change: the "proxy_set_x_url" is canceled and must be replaced with
the "proxy_set_header X-URL http://$host:$server_port$request_uri"
directive.
*) Feature: the "fastcgi_param" directive.
*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
directive are canceled and must be replaced with the fastcgi_param
directives.
*) Feature: the "index" directive can use the variables.
*) Feature: the "index" directive can be used at http and server levels.
*) Change: the last index only in the "index" directive can be absolute.
*) Feature: the "rewrite" directive can use the variables.
*) Feature: the "internal" directive.
*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
*) Change: nginx now passes the invalid lines in a client request
headers or a backend response header.
*) Bugfix: if the backend did not transfer response for a long time and
the "send_timeout" was less than "proxy_read_timeout", then nginx
returned the 408 response.
*) Bugfix: the segmentation fault was occurred if the backend sent an
invalid line in response header; the bug had appeared in 0.1.26.
*) Bugfix: the segmentation fault may occurred in FastCGI fault
tolerance configuration.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" and "Cache-Control" headers.
*) Bugfix: nginx did not take into account trailing dot in "Host"
header line.
*) Bugfix: the ngx_http_auth_module did not work under Linux.
*) Bugfix: the rewrite directive worked incorrectly, if the arguments
were in a request.
*) Bugfix: nginx could not be built on MacOS X.
2005-05-12 10:58:06 -04:00
|
|
|
|
2006-10-30 17:25:22 -03:00
|
|
|
}
|
|
|
|
|
|
2005-12-05 10:18:09 -03:00
|
|
|
return rc;
|
2004-05-12 01:37:55 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2005-03-19 08:38:37 -04:00
|
|
|
static void *
|
|
|
|
|
ngx_http_copy_filter_create_conf(ngx_conf_t *cf)
|
2004-05-12 01:37:55 -04:00
|
|
|
{
|
|
|
|
|
ngx_http_copy_filter_conf_t *conf;
|
|
|
|
|
|
2005-03-19 08:38:37 -04:00
|
|
|
conf = ngx_palloc(cf->pool, sizeof(ngx_http_copy_filter_conf_t));
|
|
|
|
|
if (conf == NULL) {
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
2004-05-12 01:37:55 -04:00
|
|
|
|
|
|
|
|
conf->bufs.num = 0;
|
|
|
|
|
|
|
|
|
|
return conf;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2005-03-19 08:38:37 -04:00
|
|
|
static char *
|
|
|
|
|
ngx_http_copy_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
2004-05-12 01:37:55 -04:00
|
|
|
{
|
|
|
|
|
ngx_http_copy_filter_conf_t *prev = parent;
|
|
|
|
|
ngx_http_copy_filter_conf_t *conf = child;
|
|
|
|
|
|
|
|
|
|
ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 1, 32768);
|
|
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2005-03-19 08:38:37 -04:00
|
|
|
static ngx_int_t
|
2006-08-30 06:39:17 -04:00
|
|
|
ngx_http_copy_filter_init(ngx_conf_t *cf)
|
2004-05-12 01:37:55 -04:00
|
|
|
{
|
|
|
|
|
ngx_http_next_filter = ngx_http_top_body_filter;
|
|
|
|
|
ngx_http_top_body_filter = ngx_http_copy_filter;
|
|
|
|
|
|
|
|
|
|
return NGX_OK;
|
|
|
|
|
}
|
|
|
|
|
|