mirror of
https://github.com/nginx/nginx.git
synced 2024-12-15 21:39:00 +08:00
c2807ecf45
*) Feature: the "restrict_host_names" directive was canceled.
*) Feature: the --with-cpu-opt=ppc64 configuration parameter.
*) Bugfix: on some condition the proxied connection with a client was
terminated prematurely.
Thanks to Vladimir Shutoff.
*) Bugfix: the "X-Accel-Limit-Rate" header line was not taken into
account if the request was redirected using the "X-Accel-Redirect"
header line.
*) Bugfix: the "post_action" directive ran only after a successful
completion of a request.
*) Bugfix: the proxied response body generated by the "post_action"
directive was transferred to a client.
450 lines
14 KiB
C
450 lines
14 KiB
C
|
|
/*
|
|
* Copyright (C) Igor Sysoev
|
|
*/
|
|
|
|
|
|
#ifndef _NGX_HTTP_REQUEST_H_INCLUDED_
|
|
#define _NGX_HTTP_REQUEST_H_INCLUDED_
|
|
|
|
|
|
#define NGX_HTTP_MAX_REWRITE_CYCLES 10
|
|
|
|
|
|
#define NGX_HTTP_DISCARD_BUFFER_SIZE 4096
|
|
#define NGX_HTTP_LINGERING_BUFFER_SIZE 4096
|
|
|
|
|
|
#define NGX_HTTP_VERSION_9 9
|
|
#define NGX_HTTP_VERSION_10 1000
|
|
#define NGX_HTTP_VERSION_11 1001
|
|
|
|
#define NGX_HTTP_GET 1
|
|
#define NGX_HTTP_HEAD 2
|
|
#define NGX_HTTP_POST 3
|
|
|
|
#define NGX_HTTP_CONNECTION_CLOSE 1
|
|
#define NGX_HTTP_CONNECTION_KEEP_ALIVE 2
|
|
|
|
|
|
#define NGX_NONE 1
|
|
|
|
|
|
#define NGX_HTTP_PARSE_HEADER_DONE 1
|
|
|
|
#define NGX_HTTP_CLIENT_ERROR 10
|
|
#define NGX_HTTP_PARSE_INVALID_METHOD 10
|
|
#define NGX_HTTP_PARSE_INVALID_REQUEST 11
|
|
#define NGX_HTTP_PARSE_INVALID_09_METHOD 12
|
|
|
|
#define NGX_HTTP_PARSE_HEADER_ERROR 13
|
|
#define NGX_HTTP_PARSE_INVALID_HEADER 13
|
|
|
|
#define NGX_HTTP_ZERO_IN_URI 1
|
|
|
|
|
|
#define NGX_HTTP_OK 200
|
|
#define NGX_HTTP_NO_CONTENT 204
|
|
#define NGX_HTTP_PARTIAL_CONTENT 206
|
|
|
|
#define NGX_HTTP_SPECIAL_RESPONSE 300
|
|
#define NGX_HTTP_MOVED_PERMANENTLY 301
|
|
#define NGX_HTTP_MOVED_TEMPORARILY 302
|
|
#define NGX_HTTP_NOT_MODIFIED 304
|
|
|
|
#define NGX_HTTP_BAD_REQUEST 400
|
|
#define NGX_HTTP_UNAUTHORIZED 401
|
|
#define NGX_HTTP_FORBIDDEN 403
|
|
#define NGX_HTTP_NOT_FOUND 404
|
|
#define NGX_HTTP_NOT_ALLOWED 405
|
|
#define NGX_HTTP_REQUEST_TIME_OUT 408
|
|
#define NGX_HTTP_LENGTH_REQUIRED 411
|
|
#define NGX_HTTP_REQUEST_ENTITY_TOO_LARGE 413
|
|
#define NGX_HTTP_REQUEST_URI_TOO_LARGE 414
|
|
#define NGX_HTTP_RANGE_NOT_SATISFIABLE 416
|
|
|
|
|
|
/* Our own HTTP codes */
|
|
|
|
/* The special code to close connection without any response */
|
|
#define NGX_HTTP_CLOSE 444
|
|
|
|
#define NGX_HTTP_OWN_CODES NGX_HTTP_TO_HTTPS
|
|
|
|
/*
|
|
* We use the special code for the plain HTTP requests that are sent to
|
|
* HTTPS port to distinguish it from 4XX in an error page redirection
|
|
*/
|
|
#define NGX_HTTP_TO_HTTPS 497
|
|
|
|
/* 498 is the canceled code for the requests with invalid host name */
|
|
|
|
/*
|
|
* HTTP does not define the code for the case when a client closed
|
|
* the connection while we are processing its request so we introduce
|
|
* own code to log such situation when a client has closed the connection
|
|
* before we even try to send the HTTP header to it
|
|
*/
|
|
#define NGX_HTTP_CLIENT_CLOSED_REQUEST 499
|
|
|
|
|
|
#define NGX_HTTP_INTERNAL_SERVER_ERROR 500
|
|
#define NGX_HTTP_NOT_IMPLEMENTED 501
|
|
#define NGX_HTTP_BAD_GATEWAY 502
|
|
#define NGX_HTTP_SERVICE_UNAVAILABLE 503
|
|
#define NGX_HTTP_GATEWAY_TIME_OUT 504
|
|
|
|
|
|
#define NGX_HTTP_LOWLEVEL_BUFFERED 0x000000f0
|
|
#define NGX_HTTP_WRITE_BUFFERED 0x00000010
|
|
#define NGX_HTTP_GZIP_BUFFERED 0x00000020
|
|
#define NGX_HTTP_SSI_BUFFERED 0x00000100
|
|
#define NGX_HTTP_COPY_BUFFERED 0x00000200
|
|
|
|
|
|
typedef enum {
|
|
NGX_HTTP_INITING_REQUEST_STATE = 0,
|
|
NGX_HTTP_READING_REQUEST_STATE,
|
|
NGX_HTTP_PROCESS_REQUEST_STATE,
|
|
|
|
NGX_HTTP_CONNECT_UPSTREAM_STATE,
|
|
NGX_HTTP_WRITING_UPSTREAM_STATE,
|
|
NGX_HTTP_READING_UPSTREAM_STATE,
|
|
|
|
NGX_HTTP_WRITING_REQUEST_STATE,
|
|
NGX_HTTP_LINGERING_CLOSE_STATE,
|
|
NGX_HTTP_KEEPALIVE_STATE
|
|
} ngx_http_state_e;
|
|
|
|
|
|
typedef struct {
|
|
ngx_str_t name;
|
|
ngx_uint_t offset;
|
|
ngx_http_header_handler_pt handler;
|
|
} ngx_http_header_t;
|
|
|
|
|
|
typedef struct {
|
|
ngx_str_t name;
|
|
ngx_uint_t offset;
|
|
} ngx_http_header_out_t;
|
|
|
|
|
|
typedef struct {
|
|
ngx_list_t headers;
|
|
|
|
ngx_table_elt_t *host;
|
|
ngx_table_elt_t *connection;
|
|
ngx_table_elt_t *if_modified_since;
|
|
ngx_table_elt_t *user_agent;
|
|
ngx_table_elt_t *referer;
|
|
ngx_table_elt_t *content_length;
|
|
ngx_table_elt_t *content_type;
|
|
|
|
ngx_table_elt_t *range;
|
|
|
|
ngx_table_elt_t *transfer_encoding;
|
|
|
|
#if (NGX_HTTP_GZIP)
|
|
ngx_table_elt_t *accept_encoding;
|
|
ngx_table_elt_t *via;
|
|
#endif
|
|
|
|
ngx_table_elt_t *authorization;
|
|
|
|
ngx_table_elt_t *keep_alive;
|
|
|
|
#if (NGX_HTTP_PROXY || NGX_HTTP_REALIP)
|
|
ngx_table_elt_t *x_forwarded_for;
|
|
#endif
|
|
|
|
#if (NGX_HTTP_REALIP)
|
|
ngx_table_elt_t *x_real_ip;
|
|
#endif
|
|
|
|
#if (NGX_HTTP_HEADERS)
|
|
ngx_table_elt_t *accept;
|
|
ngx_table_elt_t *accept_language;
|
|
#endif
|
|
|
|
ngx_str_t user;
|
|
ngx_str_t passwd;
|
|
|
|
ngx_array_t cookies;
|
|
|
|
size_t host_name_len;
|
|
ssize_t content_length_n;
|
|
time_t keep_alive_n;
|
|
|
|
unsigned connection_type:2;
|
|
unsigned msie:1;
|
|
unsigned msie4:1;
|
|
unsigned opera:1;
|
|
unsigned gecko:1;
|
|
unsigned konqueror:1;
|
|
} ngx_http_headers_in_t;
|
|
|
|
|
|
typedef struct {
|
|
off_t start;
|
|
off_t end;
|
|
ngx_str_t content_range;
|
|
} ngx_http_range_t;
|
|
|
|
|
|
typedef struct {
|
|
ngx_list_t headers;
|
|
|
|
ngx_uint_t status;
|
|
ngx_str_t status_line;
|
|
|
|
ngx_table_elt_t *server;
|
|
ngx_table_elt_t *date;
|
|
ngx_table_elt_t *content_length;
|
|
ngx_table_elt_t *content_encoding;
|
|
ngx_table_elt_t *location;
|
|
ngx_table_elt_t *last_modified;
|
|
ngx_table_elt_t *content_range;
|
|
ngx_table_elt_t *accept_ranges;
|
|
ngx_table_elt_t *www_authenticate;
|
|
ngx_table_elt_t *expires;
|
|
ngx_table_elt_t *etag;
|
|
|
|
ngx_str_t content_type;
|
|
ngx_str_t charset;
|
|
ngx_array_t ranges;
|
|
|
|
ngx_array_t cache_control;
|
|
|
|
off_t content_length_n;
|
|
time_t date_time;
|
|
time_t last_modified_time;
|
|
} ngx_http_headers_out_t;
|
|
|
|
|
|
typedef void (*ngx_http_client_body_handler_pt)(ngx_http_request_t *r);
|
|
|
|
typedef struct {
|
|
ngx_temp_file_t *temp_file;
|
|
ngx_chain_t *bufs;
|
|
ngx_buf_t *buf;
|
|
size_t rest;
|
|
ngx_http_client_body_handler_pt post_handler;
|
|
} ngx_http_request_body_t;
|
|
|
|
|
|
typedef struct {
|
|
ngx_http_request_t *request;
|
|
|
|
ngx_buf_t **busy;
|
|
ngx_int_t nbusy;
|
|
|
|
ngx_buf_t **free;
|
|
ngx_int_t nfree;
|
|
|
|
ngx_uint_t pipeline; /* unsigned pipeline:1; */
|
|
} ngx_http_connection_t;
|
|
|
|
|
|
typedef struct {
|
|
ngx_hash_t hash;
|
|
ngx_hash_wildcard_t *dns_wildcards;
|
|
} ngx_http_virtual_names_t;
|
|
|
|
|
|
typedef void (*ngx_http_cleanup_pt)(void *data);
|
|
|
|
typedef struct ngx_http_cleanup_s ngx_http_cleanup_t;
|
|
|
|
struct ngx_http_cleanup_s {
|
|
ngx_http_cleanup_pt handler;
|
|
void *data;
|
|
ngx_http_cleanup_t *next;
|
|
};
|
|
|
|
|
|
typedef struct ngx_http_postponed_request_s ngx_http_postponed_request_t;
|
|
|
|
struct ngx_http_postponed_request_s {
|
|
ngx_http_request_t *request;
|
|
ngx_chain_t *out;
|
|
ngx_http_postponed_request_t *next;
|
|
};
|
|
|
|
|
|
typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r);
|
|
typedef void (*ngx_http_event_handler_pt)(ngx_http_request_t *r);
|
|
|
|
|
|
struct ngx_http_request_s {
|
|
uint32_t signature; /* "HTTP" */
|
|
|
|
ngx_connection_t *connection;
|
|
|
|
void **ctx;
|
|
void **main_conf;
|
|
void **srv_conf;
|
|
void **loc_conf;
|
|
|
|
ngx_http_event_handler_pt read_event_handler;
|
|
ngx_http_event_handler_pt write_event_handler;
|
|
|
|
ngx_http_cache_t *cache;
|
|
|
|
ngx_http_upstream_t *upstream;
|
|
|
|
ngx_pool_t *pool;
|
|
ngx_buf_t *header_in;
|
|
|
|
ngx_http_headers_in_t headers_in;
|
|
ngx_http_headers_out_t headers_out;
|
|
|
|
ngx_http_request_body_t *request_body;
|
|
|
|
time_t lingering_time;
|
|
time_t start_time;
|
|
|
|
ngx_uint_t method;
|
|
ngx_uint_t http_version;
|
|
ngx_uint_t http_major;
|
|
ngx_uint_t http_minor;
|
|
|
|
ngx_str_t request_line;
|
|
ngx_str_t uri;
|
|
ngx_str_t args;
|
|
ngx_str_t exten;
|
|
ngx_str_t unparsed_uri;
|
|
|
|
ngx_str_t method_name;
|
|
ngx_str_t http_protocol;
|
|
|
|
ngx_chain_t *out;
|
|
ngx_http_request_t *main;
|
|
ngx_http_request_t *parent;
|
|
ngx_http_postponed_request_t *postponed;
|
|
|
|
uint32_t in_addr;
|
|
ngx_uint_t port;
|
|
ngx_str_t *port_text; /* ":80" */
|
|
ngx_str_t server_name;
|
|
ngx_http_virtual_names_t *virtual_names;
|
|
|
|
ngx_uint_t phase;
|
|
ngx_int_t phase_handler;
|
|
ngx_http_handler_pt content_handler;
|
|
ngx_uint_t access_code;
|
|
|
|
ngx_http_variable_value_t *variables;
|
|
|
|
size_t root_length;
|
|
|
|
size_t limit_rate;
|
|
|
|
/* used to learn the Apache compatible response length without a header */
|
|
size_t header_size;
|
|
|
|
size_t request_length;
|
|
|
|
void **err_ctx;
|
|
ngx_uint_t err_status;
|
|
|
|
ngx_http_connection_t *http_connection;
|
|
|
|
ngx_http_log_handler_pt log_handler;
|
|
|
|
ngx_http_cleanup_t *cleanup;
|
|
|
|
unsigned http_state:4;
|
|
|
|
/* URI with "/." and on Win32 with "//" */
|
|
unsigned complex_uri:1;
|
|
|
|
/* URI with "%" */
|
|
unsigned quoted_uri:1;
|
|
|
|
/* URI with "+" */
|
|
unsigned plus_in_uri:1;
|
|
|
|
/* URI with "\0" or "%00" */
|
|
unsigned zero_in_uri:1;
|
|
|
|
unsigned invalid_header:1;
|
|
|
|
unsigned valid_location:1;
|
|
unsigned valid_unparsed_uri:1;
|
|
unsigned uri_changed:1;
|
|
unsigned uri_changes:4;
|
|
|
|
unsigned fast_subrequest:1;
|
|
|
|
unsigned low_case_exten:1;
|
|
unsigned header_timeout_set:1;
|
|
|
|
unsigned proxy:1;
|
|
unsigned bypass_cache:1;
|
|
unsigned no_cache:1;
|
|
|
|
#if (NGX_HTTP_REALIP)
|
|
|
|
/*
|
|
* instead of using the request context data in ngx_http_realip_module
|
|
* we use the single bit in the request structure
|
|
*/
|
|
unsigned realip_set:1;
|
|
|
|
#endif
|
|
|
|
#if 0
|
|
unsigned cachable:1;
|
|
#endif
|
|
|
|
unsigned pipeline:1;
|
|
unsigned plain_http:1;
|
|
unsigned chunked:1;
|
|
unsigned header_only:1;
|
|
unsigned keepalive:1;
|
|
unsigned lingering_close:1;
|
|
unsigned discard_body:1;
|
|
unsigned internal:1;
|
|
unsigned done:1;
|
|
unsigned utf8:1;
|
|
|
|
unsigned main_filter_need_in_memory:1;
|
|
unsigned filter_need_in_memory:1;
|
|
unsigned filter_need_temporary:1;
|
|
unsigned allow_ranges:1;
|
|
|
|
#if (NGX_STAT_STUB)
|
|
unsigned stat_reading:1;
|
|
unsigned stat_writing:1;
|
|
#endif
|
|
|
|
/* used to parse HTTP headers */
|
|
ngx_uint_t state;
|
|
u_char *uri_start;
|
|
u_char *uri_end;
|
|
u_char *uri_ext;
|
|
u_char *args_start;
|
|
u_char *request_start;
|
|
u_char *request_end;
|
|
u_char *method_end;
|
|
u_char *schema_start;
|
|
u_char *schema_end;
|
|
u_char *host_start;
|
|
u_char *host_end;
|
|
u_char *port_start;
|
|
u_char *port_end;
|
|
u_char *header_name_start;
|
|
u_char *header_name_end;
|
|
u_char *header_start;
|
|
u_char *header_end;
|
|
ngx_uint_t header_hash;
|
|
};
|
|
|
|
|
|
extern ngx_http_header_t ngx_http_headers_in[];
|
|
extern ngx_http_header_out_t ngx_http_headers_out[];
|
|
|
|
|
|
#endif /* _NGX_HTTP_REQUEST_H_INCLUDED_ */
|