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ac82540c35
When doing a connect() on a stream interface, some information is needed from the server and from the backend. In some situations, we don't have a server and only a backend (eg: peers). In other cases, we know we have an applet and we don't want to connect to anything, but we'd still like to have the info about the applet being used. For this, we now store a pointer to the "target" into the stream interface. The target describes what's on the other side before trying to connect. It can be a server, a proxy or an applet for now. Later we'll probably have descriptors for multiple-stage chains so that the final information may still be found. This will help removing many specific cases in the code. It already made it possible to remove the "srv" and "be" parameters to tcpv4_connect_server().
63 lines
2.2 KiB
C
63 lines
2.2 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 tcpv4_bind_socket(int fd, int flags, struct sockaddr_in *local, struct sockaddr_in *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 tcpv4_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_persist_rdp_cookie(struct session *s, struct buffer *req, int an_bit);
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int tcp_exec_req_rules(struct session *s);
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/* Converts the TCPv4 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 *tcpv4_src_to_stktable_key(struct session *s)
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{
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/* right now we only support IPv4 */
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if (s->si[0].addr.c.from.ss_family != AF_INET)
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return NULL;
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static_table_key.key = (void *)&((struct sockaddr_in *)&s->si[0].addr.c.from)->sin_addr;
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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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