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fdb563c06f
Just as for the req* rules, we can now condition rsp* rules with ACLs. ACLs match on response, so volatile request information cannot be used. A warning is emitted if a configuration contains such an anomaly.
116 lines
5.0 KiB
C
116 lines
5.0 KiB
C
/*
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* include/proto/proto_http.h
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* This file contains HTTP protocol definitions.
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*
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* Copyright (C) 2000-2010 Willy Tarreau - w@1wt.eu
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _PROTO_PROTO_HTTP_H
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#define _PROTO_PROTO_HTTP_H
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#include <common/config.h>
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#include <types/proto_http.h>
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#include <types/session.h>
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#include <types/task.h>
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/*
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* some macros used for the request parsing.
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* from RFC2616:
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* CTL = <any US-ASCII control character (octets 0 - 31) and DEL (127)>
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* SEP = one of the 17 defined separators or SP or HT
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* LWS = CR, LF, SP or HT
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* SPHT = SP or HT. Use this macro and not a boolean expression for best speed.
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* CRLF = CR or LF. Use this macro and not a boolean expression for best speed.
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* token = any CHAR except CTL or SEP. Use this macro and not a boolean expression for best speed.
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*
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* added for ease of use:
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* ver_token = 'H', 'P', 'T', '/', '.', and digits.
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*/
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extern const char http_is_ctl[256];
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extern const char http_is_sep[256];
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extern const char http_is_lws[256];
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extern const char http_is_spht[256];
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extern const char http_is_crlf[256];
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extern const char http_is_token[256];
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extern const char http_is_ver_token[256];
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#define HTTP_IS_CTL(x) (http_is_ctl[(unsigned char)(x)])
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#define HTTP_IS_SEP(x) (http_is_sep[(unsigned char)(x)])
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#define HTTP_IS_LWS(x) (http_is_lws[(unsigned char)(x)])
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#define HTTP_IS_SPHT(x) (http_is_spht[(unsigned char)(x)])
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#define HTTP_IS_CRLF(x) (http_is_crlf[(unsigned char)(x)])
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#define HTTP_IS_TOKEN(x) (http_is_token[(unsigned char)(x)])
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#define HTTP_IS_VER_TOKEN(x) (http_is_ver_token[(unsigned char)(x)])
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int event_accept(int fd);
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int process_cli(struct session *t);
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int process_srv_data(struct session *t);
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int process_srv_conn(struct session *t);
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int http_wait_for_request(struct session *s, struct buffer *req, int an_bit);
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int http_process_req_common(struct session *s, struct buffer *req, int an_bit, struct proxy *px);
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int http_process_request(struct session *t, struct buffer *req, int an_bit);
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int http_process_tarpit(struct session *s, struct buffer *req, int an_bit);
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int http_process_request_body(struct session *s, struct buffer *req, int an_bit);
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int http_wait_for_response(struct session *s, struct buffer *rep, int an_bit);
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int http_process_res_common(struct session *t, struct buffer *rep, int an_bit, struct proxy *px);
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int http_request_forward_body(struct session *s, struct buffer *req, int an_bit);
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int http_response_forward_body(struct session *s, struct buffer *res, int an_bit);
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void debug_hdr(const char *dir, struct session *t, const char *start, const char *end);
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void get_srv_from_appsession(struct session *t, const char *begin, int len);
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int apply_filter_to_req_headers(struct session *t, struct buffer *req, struct hdr_exp *exp);
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int apply_filter_to_req_line(struct session *t, struct buffer *req, struct hdr_exp *exp);
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int apply_filters_to_request(struct session *s, struct buffer *req, struct proxy *px);
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int apply_filters_to_response(struct session *t, struct buffer *rtr, struct proxy *px);
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void manage_client_side_appsession(struct session *t, const char *buf, int len);
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void manage_client_side_cookies(struct session *t, struct buffer *req);
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void manage_server_side_cookies(struct session *t, struct buffer *rtr);
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void check_response_for_cacheability(struct session *t, struct buffer *rtr);
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int stats_check_uri_auth(struct session *t, struct proxy *backend);
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void init_proto_http();
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int http_find_header2(const char *name, int len,
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char *sol, struct hdr_idx *idx,
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struct hdr_ctx *ctx);
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void http_sess_log(struct session *s);
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void perform_http_redirect(struct session *s, struct stream_interface *si);
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void http_return_srv_error(struct session *s, struct stream_interface *si);
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void http_capture_bad_message(struct error_snapshot *es, struct session *s,
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struct buffer *buf, struct http_msg *msg,
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struct proxy *other_end);
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void http_init_txn(struct session *s);
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void http_end_txn(struct session *s);
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void http_reset_txn(struct session *s);
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/* to be used when contents change in an HTTP message */
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#define http_msg_move_end(msg, bytes) do { \
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unsigned int _bytes = (bytes); \
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(msg)->col += (_bytes); \
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(msg)->sov += (_bytes); \
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(msg)->eoh += (_bytes); \
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} while (0)
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#endif /* _PROTO_PROTO_HTTP_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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