moved net module to runtime

after careful analysis, I concluded that it is OK to
place the current net.c/.h code under LGPL. Individual
contributor agreement is given and no sysklogd code
remains (see net.c for details).

1 files changed, 117 insertions, 0 deletions

diff --git a/runtime/net.h b/runtime/net.h
new file mode 100644
index 00000000..a0791a9d
--- /dev/null
+++ b/runtime/net.h
@@ -0,0 +1,117 @@
+/* Definitions for network-related stuff.
+ *
+ * Copyright 2007, 2008 Rainer Gerhards and Adiscon GmbH.
+ *
+ * This file is part of the rsyslog runtime library.
+ *
+ * The rsyslog runtime library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The rsyslog runtime library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the rsyslog runtime library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * A copy of the GPL can be found in the file "COPYING" in this distribution.
+ * A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
+ */
+
+#ifndef INCLUDED_NET_H
+#define INCLUDED_NET_H
+
+#include <netinet/in.h>
+#include <sys/socket.h> /* this is needed on HP UX -- rgerhards, 2008-03-04 */
+
+#define   F_SET(where, flag) (where)|=(flag)
+#define F_ISSET(where, flag) ((where)&(flag))==(flag)
+#define F_UNSET(where, flag) (where)&=~(flag)
+
+#define ADDR_NAME 0x01 /* address is hostname wildcard) */
+#define ADDR_PRI6 0x02 /* use IPv6 address prior to IPv4 when resolving */
+
+#ifdef OS_BSD
+#	ifndef _KERNEL
+#		define s6_addr32 __u6_addr.__u6_addr32
+#	endif
+#endif
+
+struct NetAddr {
+  uint8_t flags;
+  union {
+    struct sockaddr *NetAddr;
+    char *HostWildcard;
+  } addr;
+};
+
+#ifndef SO_BSDCOMPAT
+	/* this shall prevent compiler errors due to undefined name */
+#	define SO_BSDCOMPAT 0
+#endif
+
+
+/* IPv6 compatibility layer for older platforms
+ * We need to handle a few things different if we are running
+ * on an older platform which does not support all the glory
+ * of IPv6. We try to limit toll on features and reliability,
+ * but obviously it is better to run rsyslog on a platform that
+ * supports everything...
+ * rgerhards, 2007-06-22
+ */
+#ifndef AI_NUMERICSERV
+#  define AI_NUMERICSERV 0
+#endif
+
+
+#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
+#define SALEN(sa) ((sa)->sa_len)
+#else
+static inline size_t SALEN(struct sockaddr *sa) {
+	switch (sa->sa_family) {
+	case AF_INET:  return (sizeof (struct sockaddr_in));
+	case AF_INET6: return (sizeof (struct sockaddr_in6));
+	default:       return 0;
+	}
+}
+#endif
+
+struct AllowedSenders {
+	struct NetAddr allowedSender; /* ip address allowed */
+	uint8_t SignificantBits;      /* defines how many bits should be discarded (eqiv to mask) */
+	struct AllowedSenders *pNext;
+};
+
+
+/* interfaces */
+BEGINinterface(net) /* name must also be changed in ENDinterface macro! */
+	rsRetVal (*cvthname)(struct sockaddr_storage *f, uchar *pszHost, uchar *pszHostFQDN);
+	/* things to go away after proper modularization */
+	rsRetVal (*addAllowedSenderLine)(char* pName, uchar** ppRestOfConfLine);
+	void (*PrintAllowedSenders)(int iListToPrint);
+	void (*clearAllowedSenders) ();
+	void (*debugListenInfo)(int fd, char *type);
+	int *(*create_udp_socket)(uchar *hostname, uchar *LogPort, int bIsServer);
+	void (*closeUDPListenSockets)(int *finet);
+	int (*isAllowedSender)(struct AllowedSenders *pAllowRoot, struct sockaddr *pFrom, const char *pszFromHost);
+	rsRetVal (*getLocalHostname)(uchar**);
+	int (*should_use_so_bsdcompat)(void);
+	/* data memebers - these should go away over time... TODO */
+	int    *pACLAddHostnameOnFail; /* add hostname to acl when DNS resolving has failed */
+	int    *pACLDontResolve;       /* add hostname to acl instead of resolving it to IP(s) */
+	struct AllowedSenders *pAllowedSenders_UDP;
+	struct AllowedSenders *pAllowedSenders_TCP;
+	struct AllowedSenders *pAllowedSenders_GSS;
+ENDinterface(net)
+#define netCURR_IF_VERSION 2 /* increment whenever you change the interface structure! */
+
+/* prototypes */
+PROTOTYPEObj(net);
+
+/* the name of our library binary */
+#define LM_NET_FILENAME "lmnet"
+
+#endif /* #ifndef INCLUDED_NET_H */