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The HTTP parser has been rewritten for better compliance to RFC2616. The same parser is now usable for both requests and responses, and it now supports HTTP/0.9 as well as multi-line headers. It has also been improved for speed ; a typicial HTTP request is parsed in about 2 microseconds on a 1 GHz processor. The monitor-uri check has been moved so that the requests are not logged. The httpclose option now tries to change as little as possible in the request, and does not affect the first header if it is already set to 'close'. HTTP/0.9 requests are converted to HTTP/1.0 before being forwarded. Headers and request transformations are now distinct. The headers list is updated after each insertion/removal/transformation. The request is re-parsed and checked after each transformation. It is not possible anymore to remove a request, and requests which lead to invalid request lines are now rejected.
85 lines
3.3 KiB
C
85 lines
3.3 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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Copyright (C) 2000-2006 Willy Tarreau - w@1wt.eu
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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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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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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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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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#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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int event_accept(int fd);
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int process_session(struct task *t);
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int process_cli(struct session *t);
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int process_srv(struct session *t);
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void client_retnclose(struct session *s, const struct chunk *msg);
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void client_return(struct session *s, const struct chunk *msg);
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void srv_close_with_err(struct session *t, int err, int finst,
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int status, const struct chunk *msg);
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int produce_content(struct session *s);
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int produce_content_stats(struct session *s);
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int produce_content_stats_proxy(struct session *s, struct proxy *px);
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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 *t, struct buffer *req, struct hdr_exp *exp);
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void manage_client_side_cookies(struct session *t, struct buffer *req);
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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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#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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