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140 lines
3.7 KiB
140 lines
3.7 KiB
/* $Id$
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*
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* find & manage listen addresses
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*
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* Copyright (C) 2001-2003 FhG Fokus
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*
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* This file is part of ser, a free SIP server.
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*
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* ser is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* ser 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to" the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* This file contains code that initializes and handles ser listen addresses
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* lists (struct socket_info). It is used mainly on startup.
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*
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* History:
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* --------
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* 2003-10-22 created by andrei
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* 2008-08-08 sctp support (andrei)
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*/
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#ifndef socket_info_h
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#define socket_info_h
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#include "ip_addr.h"
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#include "dprint.h"
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#include "globals.h"
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/* This macro evaluates to the maximum length of string buffer needed to print
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* the text description of any socket, not counting the terminating zero added
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* by socket2str */
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#define MAX_SOCKET_STR (sizeof("unknown") - 1 + IP_ADDR_MAX_STR_SIZE + \
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INT2STR_MAX_LEN + 2 + 2)
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int socket2str(char* s, int* len, struct socket_info* si);
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/* struct socket_info is defined in ip_addr.h */
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extern struct socket_info* udp_listen;
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#ifdef USE_TCP
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extern struct socket_info* tcp_listen;
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#endif
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#ifdef USE_TLS
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extern struct socket_info* tls_listen;
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#endif
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#ifdef USE_SCTP
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extern struct socket_info* sctp_listen;
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#endif
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extern enum sip_protos nxt_proto[PROTO_LAST+1];
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/* flags for finding out the address types */
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#define SOCKET_T_IPV4 1
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#define SOCKET_T_IPV6 2
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#define SOCKET_T_UDP 4
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#define SOCKET_T_TCP 8
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#define SOCKET_T_TLS 16
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#define SOCKET_T_SCTP 32
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extern int socket_types;
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void init_proto_order();
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int add_listen_iface(char* name, struct name_lst* nlst,
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unsigned short port, unsigned short proto,
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enum si_flags flags);
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int fix_all_socket_lists();
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void print_all_socket_lists();
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void print_aliases();
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struct socket_info* grep_sock_info(str* host, unsigned short port,
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unsigned short proto);
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struct socket_info* grep_sock_info_by_port(unsigned short port,
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unsigned short proto);
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struct socket_info* find_si(struct ip_addr* ip, unsigned short port,
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unsigned short proto);
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struct socket_info** get_sock_info_list(unsigned short proto);
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int parse_phostport(char* s, char** host, int* hlen,
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int* port, int* proto);
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/* helper function:
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* returns next protocol, if the last one is reached return 0
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* useful for cycling on the supported protocols
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* order: udp, tcp, tls, sctp */
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static inline int next_proto(unsigned short proto)
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{
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if (proto>PROTO_LAST)
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LOG(L_ERR, "ERROR: next_proto: unknown proto %d\n", proto);
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else
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return nxt_proto[proto];
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return 0;
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}
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/* gets first non-null socket_info structure
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* (useful if for. e.g we are not listening on any udp sockets )
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*/
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inline static struct socket_info* get_first_socket()
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{
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if (udp_listen) return udp_listen;
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#ifdef USE_TCP
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else if (tcp_listen) return tcp_listen;
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#endif
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#ifdef USE_SCTP
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else if (sctp_listen) return sctp_listen;
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#endif
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#ifdef USE_TCP
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#ifdef USE_TLS
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else if (tls_listen) return tls_listen;
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#endif
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#endif
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return 0;
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}
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#endif
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