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a2c62c3141
The send*() syscall which are responsible of such ICMP packets reception
fails with ECONNREFUSED as errno.
man(7) udp
ECONNREFUSED
No receiver was associated with the destination address.
This might be caused by a previous packet sent over the socket.
We must kill asap the underlying connection.
Must be backported to 2.7.
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/*
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* include/haproxy/quic_sock.h
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* This file contains declarations for QUIC sockets.
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*
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* Copyright 2020 Frederic Lecaille <flecaille@haproxy.com>
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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 _HAPROXY_QUIC_SOCK_H
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#define _HAPROXY_QUIC_SOCK_H
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#ifdef USE_QUIC
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#ifndef USE_OPENSSL
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#error "Must define USE_OPENSSL"
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#endif
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <haproxy/api.h>
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#include <haproxy/connection-t.h>
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#include <haproxy/listener-t.h>
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#include <haproxy/quic_conn-t.h>
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#include <haproxy/quic_sock-t.h>
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int quic_session_accept(struct connection *cli_conn);
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int quic_sock_get_src(struct connection *conn, struct sockaddr *addr, socklen_t len);
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int quic_sock_get_dst(struct connection *conn, struct sockaddr *addr, socklen_t len);
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int quic_sock_accepting_conn(const struct receiver *rx);
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struct connection *quic_sock_accept_conn(struct listener *l, int *status);
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struct task *quic_lstnr_dghdlr(struct task *t, void *ctx, unsigned int state);
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void quic_lstnr_sock_fd_iocb(int fd);
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int qc_snd_buf(struct quic_conn *qc, const struct buffer *buf, size_t count,
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int flags, int *syscall_errno);
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int qc_rcv_buf(struct quic_conn *qc);
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/* Set default value for <qc> socket as uninitialized. */
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static inline void qc_init_fd(struct quic_conn *qc)
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{
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qc->fd = -1;
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}
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/* Returns true if <qc> socket is initialized else false. */
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static inline char qc_test_fd(struct quic_conn *qc)
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{
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/* quic-conn socket should not be accessed once it has been released. */
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BUG_ON(qc->fd == DEAD_FD_MAGIC);
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return qc->fd >= 0;
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}
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void qc_alloc_fd(struct quic_conn *qc, const struct sockaddr_storage *src,
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const struct sockaddr_storage *dst);
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void qc_release_fd(struct quic_conn *qc, int reinit);
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void quic_accept_push_qc(struct quic_conn *qc);
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#endif /* USE_QUIC */
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#endif /* _HAPROXY_QUIC_SOCK_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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