mirror of
https://github.com/rsyslog/rsyslog.git
synced 2025-12-20 01:30:42 +01:00
b0317d31d9
- security bugfix: $AllowedSender was not honored, all senders were permitted instead (see http://www.rsyslog.com/Article322.phtml) (backport from v3-stable, v3.20.9) - minor bugfix: dual close() call on tcp session closure
116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/* Definitions for network-related stuff.
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*
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* Copyright 2007 Rainer Gerhards and Adiscon GmbH.
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*
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* This file is part of rsyslog.
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*
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* Rsyslog 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 3 of the License, or
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* (at your option) any later version.
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*
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* Rsyslog 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 Rsyslog. If not, see <http://www.gnu.org/licenses/>.
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*
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* A copy of the GPL can be found in the file "COPYING" in this distribution.
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*/
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#ifndef INCLUDED_NET_H
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#define INCLUDED_NET_H
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#ifdef SYSLOG_INET
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#include <netinet/in.h>
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#include <sys/socket.h> /* this is needed on HP UX -- rgerhards, 2008-03-04 */
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#define F_SET(where, flag) (where)|=(flag)
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#define F_ISSET(where, flag) ((where)&(flag))==(flag)
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#define F_UNSET(where, flag) (where)&=~(flag)
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#define ADDR_NAME 0x01 /* address is hostname wildcard) */
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#define ADDR_PRI6 0x02 /* use IPv6 address prior to IPv4 when resolving */
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#ifdef OS_BSD
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# ifndef _KERNEL
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# define s6_addr32 __u6_addr.__u6_addr32
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# endif
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#endif
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struct NetAddr {
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uint8_t flags;
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union {
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struct sockaddr *NetAddr;
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char *HostWildcard;
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} addr;
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};
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#ifndef SO_BSDCOMPAT
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/* this shall prevent compiler errors due to undfined name */
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# define SO_BSDCOMPAT 0
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#endif
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/* IPv6 compatibility layer for older platforms
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* We need to handle a few things different if we are running
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* on an older platform which does not support all the glory
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* of IPv6. We try to limit toll on features and reliability,
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* but obviously it is better to run rsyslog on a platform that
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* supports everything...
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* rgerhards, 2007-06-22
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*/
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#ifndef AI_NUMERICSERV
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# define AI_NUMERICSERV 0
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#endif
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#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
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#define SALEN(sa) ((sa)->sa_len)
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#else
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static inline size_t SALEN(struct sockaddr *sa) {
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switch (sa->sa_family) {
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case AF_INET: return (sizeof (struct sockaddr_in));
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case AF_INET6: return (sizeof (struct sockaddr_in6));
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default: return 0;
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}
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}
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#endif
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struct AllowedSenders {
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struct NetAddr allowedSender; /* ip address allowed */
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uint8_t SignificantBits; /* defines how many bits should be discarded (eqiv to mask) */
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struct AllowedSenders *pNext;
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};
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/* interfaces */
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BEGINinterface(net) /* name must also be changed in ENDinterface macro! */
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rsRetVal (*cvthname)(struct sockaddr_storage *f, uchar *pszHost, uchar *pszHostFQDN);
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/* things to go away after proper modularization */
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rsRetVal (*addAllowedSenderLine)(char* pName, uchar** ppRestOfConfLine);
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void (*PrintAllowedSenders)(int iListToPrint);
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void (*clearAllowedSenders)(uchar*);
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void (*debugListenInfo)(int fd, char *type);
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int *(*create_udp_socket)(uchar *hostname, uchar *LogPort, int bIsServer);
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void (*closeUDPListenSockets)(int *finet);
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int (*isAllowedSender)(uchar *pszType, struct sockaddr *pFrom, const char *pszFromHost);
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rsRetVal (*getLocalHostname)(uchar**);
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int (*should_use_so_bsdcompat)(void);
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/* data memebers - these should go away over time... TODO */
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int *pACLAddHostnameOnFail; /* add hostname to acl when DNS resolving has failed */
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int *pACLDontResolve; /* add hostname to acl instead of resolving it to IP(s) */
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ENDinterface(net)
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#define netCURR_IF_VERSION 2 /* increment whenever you change the interface structure! */
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/* prototypes */
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PROTOTYPEObj(net);
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/* the name of our library binary */
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#define LM_NET_FILENAME "lmnet"
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#endif /* #ifdef SYSLOG_INET */
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#endif /* #ifndef INCLUDED_NET_H */
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