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32a6f2e572
Patterns were using a bitmask to indicate if request or response was desired
in fetch functions and keywords. ACLs were using a bitmask in fetch keywords
and a single bit in fetch functions. ACLs were also using an ACL_PARTIAL bit
in fetch functions indicating that a non-final fetch was performed, which was
an abuse of the existing direction flag.
The change now consists in using :
- a capabilities field for fetch keywords => SMP_CAP_REQ/RES to indicate
if a keyword supports requests, responses, both, etc...
- an option field for fetch functions to indicate what the caller expects
(request/response, final/non-final)
The ACL_PARTIAL bit was reversed to get SMP_OPT_FINAL as it's more explicit
to know we're working on a final buffer than on a non-final one.
ACL_DIR_* were removed, as well as PATTERN_FETCH_*. L4 fetches were improved
to support being called on responses too since they're still available.
The <dir> field of all fetch functions was changed to <opt> which is now
unsigned.
The patch is large but mostly made of cosmetic changes to accomodate this, as
almost no logic change happened.
66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/*
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* include/proto/proto_tcp.h
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* This file contains TCP socket 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_TCP_H
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#define _PROTO_PROTO_TCP_H
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#include <common/config.h>
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#include <types/proto_tcp.h>
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#include <types/task.h>
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#include <proto/stick_table.h>
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int tcp_bind_socket(int fd, int flags, struct sockaddr_storage *local, struct sockaddr_storage *remote);
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void tcpv4_add_listener(struct listener *listener);
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void tcpv6_add_listener(struct listener *listener);
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int tcp_connect_server(struct stream_interface *si);
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int tcp_inspect_request(struct session *s, struct buffer *req, int an_bit);
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int tcp_inspect_response(struct session *s, struct buffer *rep, int an_bit);
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int tcp_exec_req_rules(struct session *s);
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int smp_fetch_rdp_cookie(struct proxy *px, struct session *l4, void *l7, unsigned int opt, const struct arg *args, struct sample *smp);
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/* Converts the TCP source address to a stick_table key usable for table
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* lookups. Returns either NULL if the source cannot be converted (eg: not
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* IPv4) or a pointer to the converted result in static_table_key in the
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* appropriate format (IP).
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*/
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static inline struct stktable_key *tcp_src_to_stktable_key(struct session *s)
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{
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switch (s->si[0].addr.from.ss_family) {
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case AF_INET:
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static_table_key.key = (void *)&((struct sockaddr_in *)&s->si[0].addr.from)->sin_addr;
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break;
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case AF_INET6:
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static_table_key.key = (void *)&((struct sockaddr_in6 *)&s->si[0].addr.from)->sin6_addr;
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break;
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}
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return &static_table_key;
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}
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#endif /* _PROTO_PROTO_TCP_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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