update from Samba4

(This used to be ctdb commit 298118c41bd33acd1a34a35a71a28451a45390c5)

26 files changed, 2427 insertions, 203 deletions

diff --git a/ctdb/lib/replace/README b/ctdb/lib/replace/README
index 77558b2ca9..268a1b15cf 100644
--- a/ctdb/lib/replace/README
+++ b/ctdb/lib/replace/README
@@ -50,10 +50,18 @@ pwrite
 getpass
 readline (the library)
 inet_ntoa
+inet_ntop
+inet_pton
 strtoll
 strtoull
 socketpair
 strptime
+getaddrinfo
+freeaddrinfo
+getnameinfo
+gai_strerror
+getifaddrs
+freeifaddrs
 
 Types:
 bool
diff --git a/ctdb/lib/replace/configure.ac b/ctdb/lib/replace/configure.ac
index 48fb7ce259..beeb77e152 100644
--- a/ctdb/lib/replace/configure.ac
+++ b/ctdb/lib/replace/configure.ac
@@ -19,4 +19,6 @@ if test "$ac_cv_prog_gcc" = yes; then
    CFLAGS="$CFLAGS -Wno-format-y2k"
 fi
 
+AC_SUBST(LDFLAGS)
+
 AC_OUTPUT(Makefile)
diff --git a/ctdb/lib/replace/dlfcn.c b/ctdb/lib/replace/dlfcn.c
index 46aaaa4087..42848848e8 100644
--- a/ctdb/lib/replace/dlfcn.c
+++ b/ctdb/lib/replace/dlfcn.c
@@ -23,6 +23,9 @@
 */
 
 #include "replace.h"
+#ifdef HAVE_DL_H
+#include <dl.h>
+#endif
 
 #ifndef HAVE_DLOPEN
 #ifdef DLOPEN_TAKES_UNSIGNED_FLAGS
@@ -31,13 +34,22 @@ void *rep_dlopen(const char *name, unsigned int flags)
 void *rep_dlopen(const char *name, int flags)
 #endif
 {
+#ifdef HAVE_SHL_LOAD
+	return (void *)shl_load(name, flags, 0);
+#else
 	return NULL;
+#endif
 }
 #endif
 
 #ifndef HAVE_DLSYM
 void *rep_dlsym(void *handle, const char *symbol)
 {
+#ifdef HAVE_SHL_FINDSYM
+	void *sym_addr;
+	if (!shl_findsym((shl_t *)&handle, symbol, TYPE_UNDEFINED, &sym_addr))
+		return sym_addr;
+#endif
     return NULL;
 }
 #endif
@@ -52,6 +64,10 @@ char *rep_dlerror(void)
 #ifndef HAVE_DLCLOSE
 int rep_dlclose(void *handle)
 {
+#ifdef HAVE_SHL_CLOSE
+	return shl_unload((shl_t)handle);
+#else
 	return 0;
+#endif
 }
 #endif
diff --git a/ctdb/lib/replace/dlfcn.m4 b/ctdb/lib/replace/dlfcn.m4
index a1b57d10ec..42f56f26be 100644
--- a/ctdb/lib/replace/dlfcn.m4
+++ b/ctdb/lib/replace/dlfcn.m4
@@ -8,11 +8,16 @@ AC_SEARCH_LIBS(dlopen, dl)
 AC_CHECK_HEADERS(dlfcn.h)
 AC_CHECK_FUNCS([dlopen dlsym dlerror dlclose],[],[libreplace_cv_dlfcn=yes])
 
+libreplace_cv_shl=no
+AC_SEARCH_LIBS(shl_load, sl)
+AC_CHECK_HEADERS(dl.h)
+AC_CHECK_FUNCS([shl_load shl_unload shl_findsym],[],[libreplace_cv_shl=yes])
+
 AC_VERIFY_C_PROTOTYPE([void *dlopen(const char* filename, unsigned int flags)],
 	[
 	return 0;
 	],[
-	AC_DEFINE(DLOPEN_TAKES_UNSIGNED_FLAGS, 1, [Whether dlopen takes unsinged int flags])
+	AC_DEFINE(DLOPEN_TAKES_UNSIGNED_FLAGS, 1, [Whether dlopen takes unsigned int flags])
 	],[],[
 	#include <dlfcn.h>
 	])
diff --git a/ctdb/lib/replace/getaddrinfo.c b/ctdb/lib/replace/getaddrinfo.c
new file mode 100644
index 0000000000..c5cd52be93
--- /dev/null
+++ b/ctdb/lib/replace/getaddrinfo.c
@@ -0,0 +1,497 @@
+/*
+PostgreSQL Database Management System
+(formerly known as Postgres, then as Postgres95)
+
+Portions Copyright (c) 1996-2005, The PostgreSQL Global Development Group
+
+Portions Copyright (c) 1994, The Regents of the University of California
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose, without fee, and without a written agreement
+is hereby granted, provided that the above copyright notice and this paragraph
+and the following two paragraphs appear in all copies.
+
+IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
+DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
+LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
+EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS
+TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+
+*/
+
+/*-------------------------------------------------------------------------
+ *
+ * getaddrinfo.c
+ *	  Support getaddrinfo() on platforms that don't have it.
+ *
+ * We also supply getnameinfo() here, assuming that the platform will have
+ * it if and only if it has getaddrinfo().	If this proves false on some
+ * platform, we'll need to split this file and provide a separate configure
+ * test for getnameinfo().
+ *
+ * Copyright (c) 2003-2007, PostgreSQL Global Development Group
+ *
+ * Copyright (C) 2007 Jeremy Allison.
+ * Modified to return multiple IPv4 addresses for Samba.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "replace.h"
+#include "system/network.h"
+
+#ifndef SMB_MALLOC
+#define SMB_MALLOC(s) malloc(s)
+#endif
+
+#ifndef SMB_STRDUP
+#define SMB_STRDUP(s) strdup(s)
+#endif
+
+static int check_hostent_err(struct hostent *hp)
+{
+	if (!hp) {
+		switch (h_errno) {
+			case HOST_NOT_FOUND:
+			case NO_DATA:
+				return EAI_NONAME;
+			case TRY_AGAIN:
+				return EAI_AGAIN;
+			case NO_RECOVERY:
+			default:
+				return EAI_FAIL;
+		}
+	}
+	if (!hp->h_name || hp->h_addrtype != AF_INET) {
+		return EAI_FAIL;
+	}
+	return 0;
+}
+
+static char *canon_name_from_hostent(struct hostent *hp,
+				int *perr)
+{
+	char *ret = NULL;
+
+	*perr = check_hostent_err(hp);
+	if (*perr) {
+		return NULL;
+	}
+	ret = SMB_STRDUP(hp->h_name);
+	if (!ret) {
+		*perr = EAI_MEMORY;
+	}
+	return ret;
+}
+
+static char *get_my_canon_name(int *perr)
+{
+	char name[HOST_NAME_MAX+1];
+
+	if (gethostname(name, HOST_NAME_MAX) == -1) {
+		*perr = EAI_FAIL;
+		return NULL;
+	}
+	/* Ensure null termination. */
+	name[HOST_NAME_MAX] = '\0';
+	return canon_name_from_hostent(gethostbyname(name), perr);
+}
+
+static char *get_canon_name_from_addr(struct in_addr ip,
+				int *perr)
+{
+	return canon_name_from_hostent(
+			gethostbyaddr(&ip, sizeof(ip), AF_INET),
+			perr);
+}
+
+static struct addrinfo *alloc_entry(const struct addrinfo *hints,
+				struct in_addr ip,
+				unsigned short port)
+{
+	struct sockaddr_in *psin = NULL;
+	struct addrinfo *ai = SMB_MALLOC(sizeof(*ai));
+
+	if (!ai) {
+		return NULL;
+	}
+	memset(ai, '\0', sizeof(*ai));
+
+	psin = SMB_MALLOC(sizeof(*psin));
+	if (!psin) {
+		free(ai);
+		return NULL;
+	}
+
+	memset(psin, '\0', sizeof(*psin));
+
+	psin->sin_family = AF_INET;
+	psin->sin_port = htons(port);
+	psin->sin_addr = ip;
+
+	ai->ai_flags = 0;
+	ai->ai_family = AF_INET;
+	ai->ai_socktype = hints->ai_socktype;
+	ai->ai_protocol = hints->ai_protocol;
+	ai->ai_addrlen = sizeof(*psin);
+	ai->ai_addr = (struct sockaddr *) psin;
+	ai->ai_canonname = NULL;
+	ai->ai_next = NULL;
+
+	return ai;
+}
+
+/*
+ * get address info for a single ipv4 address.
+ *
+ *	Bugs:	- servname can only be a number, not text.
+ */
+
+static int getaddr_info_single_addr(const char *service,
+				uint32_t addr,
+				const struct addrinfo *hints,
+				struct addrinfo **res)
+{
+
+	struct addrinfo *ai = NULL;
+	struct in_addr ip;
+	unsigned short port = 0;
+
+	if (service) {
+		port = (unsigned short)atoi(service);
+	}
+	ip.s_addr = htonl(addr);
+
+	ai = alloc_entry(hints, ip, port);
+	if (!ai) {
+		return EAI_MEMORY;
+	}
+
+	/* If we're asked for the canonical name,
+	 * make sure it returns correctly. */
+	if (!(hints->ai_flags & AI_NUMERICSERV) &&
+			hints->ai_flags & AI_CANONNAME) {
+		int err;
+		if (addr == INADDR_LOOPBACK || addr == INADDR_ANY) {
+			ai->ai_canonname = get_my_canon_name(&err);
+		} else {
+			ai->ai_canonname =
+			get_canon_name_from_addr(ip,&err);
+		}
+		if (ai->ai_canonname == NULL) {
+			freeaddrinfo(ai);
+			return err;
+		}
+	}
+
+	*res = ai;
+	return 0;
+}
+
+/*
+ * get address info for multiple ipv4 addresses.
+ *
+ *	Bugs:	- servname can only be a number, not text.
+ */
+
+static int getaddr_info_name(const char *node,
+				const char *service,
+				const struct addrinfo *hints,
+				struct addrinfo **res)
+{
+	struct addrinfo *listp = NULL, *prevp = NULL;
+	char **pptr = NULL;
+	int err;
+	struct hostent *hp = NULL;
+	unsigned short port = 0;
+
+	if (service) {
+		port = (unsigned short)atoi(service);
+	}
+
+	hp = gethostbyname(node);
+	err = check_hostent_err(hp);
+	if (err) {
+		return err;
+	}
+
+	for(pptr = hp->h_addr_list; *pptr; pptr++) {
+		struct in_addr ip = *(struct in_addr *)*pptr;
+		struct addrinfo *ai = alloc_entry(hints, ip, port);
+
+		if (!ai) {
+			freeaddrinfo(listp);
+			return EAI_MEMORY;
+		}
+
+		if (!listp) {
+			listp = ai;
+			prevp = ai;
+			ai->ai_canonname = SMB_STRDUP(hp->h_name);
+			if (!ai->ai_canonname) {
+				freeaddrinfo(listp);
+				return EAI_MEMORY;
+			}
+		} else {
+			prevp->ai_next = ai;
+			prevp = ai;
+		}
+	}
+	*res = listp;
+	return 0;
+}
+
+/*
+ * get address info for ipv4 sockets.
+ *
+ *	Bugs:	- servname can only be a number, not text.
+ */
+
+int rep_getaddrinfo(const char *node,
+		const char *service,
+		const struct addrinfo * hintp,
+		struct addrinfo ** res)
+{
+	struct addrinfo hints;
+
+	/* Setup the hints struct. */
+	if (hintp == NULL) {
+		memset(&hints, 0, sizeof(hints));
+		hints.ai_family = AF_INET;
+		hints.ai_socktype = SOCK_STREAM;
+	} else {
+		memcpy(&hints, hintp, sizeof(hints));
+	}
+
+	if (hints.ai_family != AF_INET && hints.ai_family != AF_UNSPEC) {
+		return EAI_FAMILY;
+	}
+
+	if (hints.ai_socktype == 0) {
+		hints.ai_socktype = SOCK_STREAM;
+	}
+
+	if (!node && !service) {
+		return EAI_NONAME;
+	}
+
+	if (node) {
+		if (node[0] == '\0') {
+			return getaddr_info_single_addr(service,
+					INADDR_ANY,
+					&hints,
+					res);
+		} else if (hints.ai_flags & AI_NUMERICHOST) {
+			struct in_addr ip;
+			if (!inet_aton(node, &ip)) {
+				return EAI_FAIL;
+			}
+			return getaddr_info_single_addr(service,
+					ntohl(ip.s_addr),
+					&hints,
+					res);
+		} else {
+			return getaddr_info_name(node,
+						service,
+						&hints,
+						res);
+		}
+	} else if (hints.ai_flags & AI_PASSIVE) {
+		return getaddr_info_single_addr(service,
+					INADDR_ANY,
+					&hints,
+					res);
+	}
+	return getaddr_info_single_addr(service,
+					INADDR_LOOPBACK,
+					&hints,
+					res);
+}
+
+
+void rep_freeaddrinfo(struct addrinfo *res)
+{
+	struct addrinfo *next = NULL;
+
+	for (;res; res = next) {
+		next = res->ai_next;
+		if (res->ai_canonname) {
+			free(res->ai_canonname);
+		}
+		if (res->ai_addr) {
+			free(res->ai_addr);
+		}
+		free(res);
+	}
+}
+
+
+const char *rep_gai_strerror(int errcode)
+{
+#ifdef HAVE_HSTRERROR
+	int			hcode;
+
+	switch (errcode)
+	{
+		case EAI_NONAME:
+			hcode = HOST_NOT_FOUND;
+			break;
+		case EAI_AGAIN:
+			hcode = TRY_AGAIN;
+			break;
+		case EAI_FAIL:
+		default:
+			hcode = NO_RECOVERY;
+			break;
+	}
+
+	return hstrerror(hcode);
+#else							/* !HAVE_HSTRERROR */
+
+	switch (errcode)
+	{
+		case EAI_NONAME:
+			return "Unknown host";
+		case EAI_AGAIN:
+			return "Host name lookup failure";
+#ifdef EAI_BADFLAGS
+		case EAI_BADFLAGS:
+			return "Invalid argument";
+#endif
+#ifdef EAI_FAMILY
+		case EAI_FAMILY:
+			return "Address family not supported";
+#endif
+#ifdef EAI_MEMORY
+		case EAI_MEMORY:
+			return "Not enough memory";
+#endif
+#ifdef EAI_NODATA
+		case EAI_NODATA:
+			return "No host data of that type was found";
+#endif
+#ifdef EAI_SERVICE
+		case EAI_SERVICE:
+			return "Class type not found";
+#endif
+#ifdef EAI_SOCKTYPE
+		case EAI_SOCKTYPE:
+			return "Socket type not supported";
+#endif
+		default:
+			return "Unknown server error";
+	}
+#endif   /* HAVE_HSTRERROR */
+}
+
+static int gethostnameinfo(const struct sockaddr *sa,
+			char *node,
+			size_t nodelen,
+			int flags)
+{
+	int ret = -1;
+	char *p = NULL;
+
+	if (!(flags & NI_NUMERICHOST)) {
+		struct hostent *hp = gethostbyaddr(
+				&((struct sockaddr_in *)sa)->sin_addr,
+				sizeof(struct in_addr),
+				sa->sa_family);
+		ret = check_hostent_err(hp);
+		if (ret == 0) {
+			/* Name looked up successfully. */
+			ret = snprintf(node, nodelen, "%s", hp->h_name);
+			if (ret < 0 || (size_t)ret >= nodelen) {
+				return EAI_MEMORY;
+			}
+			if (flags & NI_NOFQDN) {
+				p = strchr(node,'.');
+				if (p) {
+					*p = '\0';
+				}
+			}
+			return 0;
+		}
+
+		if (flags & NI_NAMEREQD) {
+			/* If we require a name and didn't get one,
+			 * automatically fail. */
+			return ret;
+		}
+		/* Otherwise just fall into the numeric host code... */
+	}
+	p = inet_ntoa(((struct sockaddr_in *)sa)->sin_addr);
+	ret = snprintf(node, nodelen, "%s", p);
+	if (ret < 0 || (size_t)ret >= nodelen) {
+		return EAI_MEMORY;
+	}
+	return 0;
+}
+
+static int getservicenameinfo(const struct sockaddr *sa,
+			char *service,
+			size_t servicelen,
+			int flags)
+{
+	int ret = -1;
+	int port = ntohs(((struct sockaddr_in *)sa)->sin_port);
+
+	if (!(flags & NI_NUMERICSERV)) {
+		struct servent *se = getservbyport(
+				port,
+				(flags & NI_DGRAM) ? "udp" : "tcp");
+		if (se && se->s_name) {
+			/* Service name looked up successfully. */
+			ret = snprintf(service, servicelen, "%s", se->s_name);
+			if (ret < 0 || (size_t)ret >= servicelen) {
+				return EAI_MEMORY;
+			}
+			return 0;
+		}
+		/* Otherwise just fall into the numeric service code... */
+	}
+	ret = snprintf(service, servicelen, "%d", port);
+	if (ret < 0 || (size_t)ret >= servicelen) {
+		return EAI_MEMORY;
+	}
+	return 0;
+}
+
+/*
+ * Convert an ipv4 address to a hostname.
+ *
+ * Bugs:	- No IPv6 support.
+ */
+int rep_getnameinfo(const struct sockaddr *sa, socklen_t salen,
+			char *node, size_t nodelen,
+			char *service, size_t servicelen, int flags)
+{
+
+	/* Invalid arguments. */
+	if (sa == NULL || (node == NULL && service == NULL)) {
+		return EAI_FAIL;
+	}
+
+	if (sa->sa_family != AF_INET) {
+		return EAI_FAIL;
+	}
+
+	if (salen < sizeof(struct sockaddr_in)) {
+		return EAI_FAIL;
+	}
+
+	if (node) {
+		return gethostnameinfo(sa, node, nodelen, flags);
+	}
+
+	if (service) {
+		return getservicenameinfo(sa, service, servicelen, flags);
+	}
+	return 0;
+}
diff --git a/ctdb/lib/replace/getaddrinfo.h b/ctdb/lib/replace/getaddrinfo.h
new file mode 100644
index 0000000000..dddd699b62
--- /dev/null
+++ b/ctdb/lib/replace/getaddrinfo.h
@@ -0,0 +1,89 @@
+/*
+PostgreSQL Database Management System
+(formerly known as Postgres, then as Postgres95)
+
+Portions Copyright (c) 1996-2005, The PostgreSQL Global Development Group
+
+Portions Copyright (c) 1994, The Regents of the University of California
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose, without fee, and without a written agreement
+is hereby granted, provided that the above copyright notice and this paragraph
+and the following two paragraphs appear in all copies.
+
+IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
+DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
+LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
+EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS
+TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+
+*/
+
+/*-------------------------------------------------------------------------
+ *
+ * getaddrinfo.h
+ *	  Support getaddrinfo() on platforms that don't have it.
+ *
+ * Note: we use our own routines on platforms that don't HAVE_STRUCT_ADDRINFO,
+ * whether or not the library routine getaddrinfo() can be found.  This
+ * policy is needed because on some platforms a manually installed libbind.a
+ * may provide getaddrinfo(), yet the system headers may not provide the
+ * struct definitions needed to call it.  To avoid conflict with the libbind
+ * definition in such cases, we rename our routines to pg_xxx() via macros.
+ *
+
+in lib/replace we use rep_xxx()
+
+ * This code will also work on platforms where struct addrinfo is defined
+ * in the system headers but no getaddrinfo() can be located.
+ *
+ * Copyright (c) 2003-2007, PostgreSQL Global Development Group
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef GETADDRINFO_H
+#define GETADDRINFO_H
+
+#ifndef HAVE_GETADDRINFO
+
+/* Rename private copies per comments above */
+#ifdef getaddrinfo
+#undef getaddrinfo
+#endif
+#define getaddrinfo rep_getaddrinfo
+#define HAVE_GETADDRINFO
+
+#ifdef freeaddrinfo
+#undef freeaddrinfo
+#endif
+#define freeaddrinfo rep_freeaddrinfo
+#define HAVE_FREEADDRINFO
+
+#ifdef gai_strerror
+#undef gai_strerror
+#endif
+#define gai_strerror rep_gai_strerror
+#define HAVE_GAI_STRERROR
+
+#ifdef getnameinfo
+#undef getnameinfo
+#endif
+#define getnameinfo rep_getnameinfo
+#define HAVE_GETNAMEINFO
+
+extern int rep_getaddrinfo(const char *node, const char *service,
+			const struct addrinfo * hints, struct addrinfo ** res);
+extern void rep_freeaddrinfo(struct addrinfo * res);
+extern const char *rep_gai_strerror(int errcode);
+extern int rep_getnameinfo(const struct sockaddr * sa, socklen_t salen,
+			char *node, size_t nodelen,
+			char *service, size_t servicelen, int flags);
+#endif   /* HAVE_GETADDRINFO */
+
+#endif   /* GETADDRINFO_H */
diff --git a/ctdb/lib/replace/getaddrinfo.m4 b/ctdb/lib/replace/getaddrinfo.m4
new file mode 100644
index 0000000000..bc6e69ea56
--- /dev/null
+++ b/ctdb/lib/replace/getaddrinfo.m4
@@ -0,0 +1,32 @@
+dnl test for getaddrinfo/getnameinfo
+AC_CACHE_CHECK([for getaddrinfo],libreplace_cv_HAVE_GETADDRINFO,[
+AC_TRY_LINK([
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+#include <sys/socket.h>
+#include <netdb.h>],
+[
+struct sockaddr sa;
+struct addrinfo *ai = NULL;
+int ret = getaddrinfo(NULL, NULL, NULL, &ai);
+if (ret != 0) {
+	const char *es = gai_strerror(ret);
+}
+freeaddrinfo(ai);
+ret = getnameinfo(&sa, sizeof(sa),
+		NULL, 0,
+		NULL, 0, 0);
+
+],
+libreplace_cv_HAVE_GETADDRINFO=yes,libreplace_cv_HAVE_GETADDRINFO=no)])
+if test x"$libreplace_cv_HAVE_GETADDRINFO" = x"yes"; then
+	AC_DEFINE(HAVE_GETADDRINFO,1,[Whether the system has getaddrinfo])
+	AC_DEFINE(HAVE_GETNAMEINFO,1,[Whether the system has getnameinfo])
+	AC_DEFINE(HAVE_FREEADDRINFO,1,[Whether the system has freeaddrinfo])
+	AC_DEFINE(HAVE_GAI_STRERROR,1,[Whether the system has gai_strerror])
+else
+	LIBREPLACEOBJ="${LIBREPLACEOBJ} getaddrinfo.o"
+fi
diff --git a/ctdb/lib/replace/getifaddrs.c b/ctdb/lib/replace/getifaddrs.c
new file mode 100644
index 0000000000..4037d647d7
--- /dev/null
+++ b/ctdb/lib/replace/getifaddrs.c
@@ -0,0 +1,392 @@
+/* 
+   Unix SMB/CIFS implementation.
+   Samba utility functions
+   Copyright (C) Andrew Tridgell 1998
+   Copyright (C) Jeremy Allison 2007
+   Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program 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 General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "replace.h"
+#include "system/network.h"
+
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/types.h>
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+#ifndef SIOCGIFCONF
+#ifdef HAVE_SYS_SOCKIO_H
+#include <sys/sockio.h>
+#endif
+#endif
+
+#ifdef HAVE_IFACE_GETIFADDRS
+#define _FOUND_IFACE_ANY
+#else
+
+void rep_freeifaddrs(struct ifaddrs *ifp)
+{
+	free(ifp->ifa_name);
+	free(ifp->ifa_addr);
+	free(ifp->ifa_netmask);
+	free(ifp->ifa_dstaddr);
+	if (ifp->ifa_next != NULL)
+		freeifaddrs(ifp->ifa_next);
+	free(ifp);
+}
+
+static struct sockaddr *sockaddr_dup(struct sockaddr *sa)
+{
+	struct sockaddr *ret;
+	socklen_t socklen;
+#ifdef HAVE_SOCKADDR_SA_LEN
+	socklen = sa->sa_len;
+#else
+	socklen = sizeof(struct sockaddr_storage);
+#endif
+	ret = calloc(1, socklen);
+	if (ret == NULL)
+		return NULL;
+	memcpy(ret, sa, socklen);
+	return ret;
+}
+#endif
+
+#if HAVE_IFACE_IFCONF
+
+/* this works for Linux 2.2, Solaris 2.5, SunOS4, HPUX 10.20, OSF1
+   V4.0, Ultrix 4.4, SCO Unix 3.2, IRIX 6.4 and FreeBSD 3.2.
+
+   It probably also works on any BSD style system.  */
+
+int rep_getifaddrs(struct ifaddrs **ifap)
+{
+	struct ifconf ifc;
+	char buff[8192];
+	int fd, i, n;
+	struct ifreq *ifr=NULL;
+	int total = 0;
+	struct in_addr ipaddr;
+	struct in_addr nmask;
+	char *iname;
+	struct ifaddrs *curif, *lastif;
+
+	*ifap = NULL;
+
+	if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
+		return -1;
+	}
+  
+	ifc.ifc_len = sizeof(buff);
+	ifc.ifc_buf = buff;
+
+	if (ioctl(fd, SIOCGIFCONF, &ifc) != 0) {
+		close(fd);
+		return -1;
+	} 
+
+	ifr = ifc.ifc_req;
+  
+	n = ifc.ifc_len / sizeof(struct ifreq);
+
+	/* Loop through interfaces, looking for given IP address */
+	for (i=n-1;i>=0 && total < max_interfaces;i--) {
+		if (ioctl(fd, SIOCGIFADDR, &ifr[i]) != 0) {
+			freeifaddrs(*ifap);
+		}
+
+		curif = calloc(1, sizeof(struct ifaddrs));
+		if (lastif == NULL) {
+			*ifap = curif;
+		} else {
+			lastif->ifa_next = (*ifap);
+		}
+
+		curif->ifa_name = strdup(ifr[i].ifr_name);
+		curif->ifa_addr = sockaddr_dup(&ifr[i].ifr_addr);
+		curif->ifa_dstaddr = NULL;
+		curif->ifa_data = NULL;
+		curif->ifa_next = NULL;
+		curif->ifa_netmask = NULL;
+
+		if (ioctl(fd, SIOCGIFFLAGS, &ifr[i]) != 0) {
+			freeifaddrs(*ifap);
+			return -1;
+		}  
+
+		curif->ifa_flags = ifr[i].ifr_flags;
+
+		if (ioctl(fd, SIOCGIFNETMASK, &ifr[i]) != 0) {
+			freeifaddrs(*ifap);
+			return -1;
+		}  
+
+		curif->ifa_netmask = sockaddr_dup(&ifr[i].ifr_addr);
+
+		lastif = curif;
+	}
+
+	close(fd);
+
+	return 0;
+}  
+
+#define _FOUND_IFACE_ANY
+#endif /* HAVE_IFACE_IFCONF */
+#ifdef HAVE_IFACE_IFREQ
+
+#ifndef I_STR
+#include <sys/stropts.h>
+#endif
+
+/****************************************************************************
+this should cover most of the streams based systems
+Thanks to Andrej.Borsenkow@mow.siemens.ru for several ideas in this code
+****************************************************************************/
+int rep_getifaddrs(struct ifaddrs **ifap)
+{
+	struct ifreq ifreq;
+	struct strioctl strioctl;
+	char buff[8192];
+	int fd, i, n;
+	struct ifreq *ifr=NULL;
+	int total = 0;
+	struct in_addr ipaddr;
+	struct in_addr nmask;
+	char *iname;
+	struct ifaddrs *curif;
+
+	*ifap = NULL;
+
+	if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
+		return -1;
+	}
+  
+	strioctl.ic_cmd = SIOCGIFCONF;
+	strioctl.ic_dp  = buff;
+	strioctl.ic_len = sizeof(buff);
+	if (ioctl(fd, I_STR, &strioctl) < 0) {
+		close(fd);
+		return -1;
+	} 
+
+	/* we can ignore the possible sizeof(int) here as the resulting
+	   number of interface structures won't change */
+	n = strioctl.ic_len / sizeof(struct ifreq);
+
+	/* we will assume that the kernel returns the length as an int
+           at the start of the buffer if the offered size is a
+           multiple of the structure size plus an int */
+	if (n*sizeof(struct ifreq) + sizeof(int) == strioctl.ic_len) {
+		ifr = (struct ifreq *)(buff + sizeof(int));  
+	} else {
+		ifr = (struct ifreq *)buff;  
+	}
+
+	/* Loop through interfaces */
+
+	for (i = 0; i<n && total < max_interfaces; i++) {
+		ifreq = ifr[i];
+  
+		curif = calloc(1, sizeof(struct ifaddrs));
+		if (lastif == NULL) {
+			*ifap = curif;
+		} else {
+			lastif->ifa_next = (*ifap);
+		}
+
+		strioctl.ic_cmd = SIOCGIFFLAGS;
+		strioctl.ic_dp  = (char *)&ifreq;
+		strioctl.ic_len = sizeof(struct ifreq);
+		if (ioctl(fd, I_STR, &strioctl) != 0) {
+			freeifaddrs(*ifap);
+			return -1;
+		}
+
+		curif->ifa_flags = ifreq.ifr_flags;
+		
+		strioctl.ic_cmd = SIOCGIFADDR;
+		strioctl.ic_dp  = (char *)&ifreq;
+		strioctl.ic_len = sizeof(struct ifreq);
+		if (ioctl(fd, I_STR, &strioctl) != 0) {
+			freeifaddrs(*ifap);
+			return -1;
+		}
+
+		curif->ifa_name = strdup(ifreq.ifr_name);
+		curif->ifa_addr = sockaddr_dup(&ifreq.ifr_addr);
+		curif->ifa_dstaddr = NULL;
+		curif->ifa_data = NULL;
+		curif->ifa_next = NULL;
+		curif->ifa_netmask = NULL;
+
+		strioctl.ic_cmd = SIOCGIFNETMASK;
+		strioctl.ic_dp  = (char *)&ifreq;
+		strioctl.ic_len = sizeof(struct ifreq);
+		if (ioctl(fd, I_STR, &strioctl) != 0) {
+			freeifaddrs(*ifap);
+			return -1;
+		}
+
+		curif->ifa_netmask = sockaddr_dup(&ifreq.ifr_addr);
+
+		lastif = curif;
+	}
+
+	close(fd);
+
+	return 0;
+}
+
+#define _FOUND_IFACE_ANY
+#endif /* HAVE_IFACE_IFREQ */
+#ifdef HAVE_IFACE_AIX
+
+/****************************************************************************
+this one is for AIX (tested on 4.2)
+****************************************************************************/
+int rep_getifaddrs(struct ifaddrs **ifap)
+{
+	char buff[8192];
+	int fd, i;
+	struct ifconf ifc;
+	struct ifreq *ifr=NULL;
+	struct in_addr ipaddr;
+	struct in_addr nmask;
+	char *iname;
+	int total = 0;
+	struct ifaddrs *curif, *lastif;
+
+	*ifap = NULL;
+
+	if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
+		return -1;
+	}
+
+	ifc.ifc_len = sizeof(buff);
+	ifc.ifc_buf = buff;
+
+	if (ioctl(fd, SIOCGIFCONF, &ifc) != 0) {
+		close(fd);
+		return -1;
+	}
+
+	ifr = ifc.ifc_req;
+
+	/* Loop through interfaces */
+	i = ifc.ifc_len;
+
+	while (i > 0) {
+		uint_t inc;
+
+		inc = ifr->ifr_addr.sa_len;
+
+		if (ioctl(fd, SIOCGIFADDR, ifr) != 0) {
+			freeaddrinfo(*ifap);
+			return -1;
+		}
+
+		curif = calloc(1, sizeof(struct ifaddrs));
+		if (lastif == NULL) {
+			*ifap = curif;
+		} else {
+			lastif->ifa_next = (*ifap);
+		}
+
+		curif->ifa_name = strdup(ifr->ifr_name);
+		curif->ifa_addr = sockaddr_dup(&ifr->ifr_addr);
+		curif->ifa_dstaddr = NULL;
+		curif->ifa_data = NULL;
+		curif->ifa_netmask = NULL;
+		curif->ifa_next = NULL;
+
+		if (ioctl(fd, SIOCGIFFLAGS, ifr) != 0) {
+			freeaddrinfo(*ifap);
+			return -1;
+		}
+
+		curif->ifa_flags = ifr->ifr_flags;
+
+		if (ioctl(fd, SIOCGIFNETMASK, ifr) != 0) {
+			freeaddrinfo(*ifap);
+			return -1;
+		}
+
+		curif->ifa_netmask = sockaddr_dup(&ifr->ifr_addr);
+
+		lastif = curif;
+
+	next:
+		/*
+		 * Patch from Archie Cobbs (archie@whistle.com).  The
+		 * addresses in the SIOCGIFCONF interface list have a
+		 * minimum size. Usually this doesn't matter, but if
+		 * your machine has tunnel interfaces, etc. that have
+		 * a zero length "link address", this does matter.  */
+
+		if (inc < sizeof(ifr->ifr_addr))
+			inc = sizeof(ifr->ifr_addr);
+		inc += IFNAMSIZ;
+
+		ifr = (struct ifreq*) (((char*) ifr) + inc);
+		i -= inc;
+	}
+
+	close(fd);
+	return 0;
+}
+
+#define _FOUND_IFACE_ANY
+#endif /* HAVE_IFACE_AIX */
+#ifndef _FOUND_IFACE_ANY
+int rep_getifaddrs(struct ifaddrs **ifap)
+{
+	errno = ENOSYS;
+	return -1;
+}
+#endif
+
+#ifdef AUTOCONF_TEST
+/* this is the autoconf driver to test get_interfaces() */
+
+ int main()
+{
+	struct ifaddrs *ifs = NULL;
+	int ret;
+	
+	ret = getifaddrs(&ifs);
+	if (ret != 0) {
+		perror("getifaddrs() failed");
+		return 1;
+	}
+
+	while (ifs) {
+		printf("%-10s ", ifs->ifa_name);
+		if (ifs->ifa_addr != NULL && 
+		    ifs->ifa_addr->sa_family == AF_INET) {
+			printf("IP=%s ", inet_ntoa(((struct sockaddr_in *)ifs->ifa_addr)->sin_addr));
+			if (ifs->ifa_netmask != NULL)
+				printf("NETMASK=%s", inet_ntoa(((struct sockaddr_in *)ifs->ifa_netmask)->sin_addr));
+		}
+		printf("\n");
+		ifs = ifs->ifa_next;
+	}
+	return 0;
+}
+#endif
diff --git a/ctdb/lib/replace/getifaddrs.m4 b/ctdb/lib/replace/getifaddrs.m4
new file mode 100644
index 0000000000..297a82d0c3
--- /dev/null
+++ b/ctdb/lib/replace/getifaddrs.m4
@@ -0,0 +1,101 @@
+AC_CHECK_HEADERS([ifaddrs.h])
+
+dnl Used when getifaddrs is not available
+AC_CHECK_MEMBERS([struct sockaddr.sa_len], 
+	 [AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Whether struct sockaddr has a sa_len member])],
+	 [],
+	 [#include <sys/socket.h>])
+
+dnl test for getifaddrs and freeifaddrs
+AC_CACHE_CHECK([for getifaddrs and freeifaddrs],samba_cv_HAVE_GETIFADDRS,[
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <ifaddrs.h>
+#include <netdb.h>],
+[
+struct ifaddrs *ifp = NULL;
+int ret = getifaddrs (&ifp);
+freeifaddrs(ifp);
+],
+samba_cv_HAVE_GETIFADDRS=yes,samba_cv_HAVE_GETIFADDRS=no)])
+if test x"$samba_cv_HAVE_GETIFADDRS" = x"yes"; then
+    AC_DEFINE(HAVE_GETIFADDRS,1,[Whether the system has getifaddrs])
+    AC_DEFINE(HAVE_FREEIFADDRS,1,[Whether the system has freeifaddrs])
+	AC_DEFINE(HAVE_STRUCT_IFADDRS,1,[Whether struct ifaddrs is available])
+fi
+
+##################
+# look for a method of finding the list of network interfaces
+#
+# This tests need LIBS="$NSL_LIBS $SOCKET_LIBS"
+#
+old_LIBS=$LIBS
+LIBS="$NSL_LIBS $SOCKET_LIBS"
+iface=no;
+##################
+# look for a method of finding the list of network interfaces
+iface=no;
+AC_CACHE_CHECK([for iface getifaddrs],samba_cv_HAVE_IFACE_GETIFADDRS,[
+SAVE_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS ${SAMBA_CONFIGURE_CPPFLAGS}"
+AC_TRY_RUN([
+#define NO_CONFIG_H 1
+#define HAVE_IFACE_GETIFADDRS 1
+#define AUTOCONF_TEST 1
+#include "$libreplacedir/replace.c"
+#include "$libreplacedir/getifaddrs.c"],
+           samba_cv_HAVE_IFACE_GETIFADDRS=yes,samba_cv_HAVE_IFACE_GETIFADDRS=no,samba_cv_HAVE_IFACE_GETIFADDRS=cross)])
+CPPFLAGS="$SAVE_CPPFLAGS"
+if test x"$samba_cv_HAVE_IFACE_GETIFADDRS" = x"yes"; then
+    iface=yes;AC_DEFINE(HAVE_IFACE_GETIFADDRS,1,[Whether iface getifaddrs is available])
+else
+	LIBREPLACEOBJ="${LIBREPLACEOBJ} getifaddrs.o"
+fi
+
+
+if test $iface = no; then
+AC_CACHE_CHECK([for iface AIX],samba_cv_HAVE_IFACE_AIX,[
+AC_TRY_RUN([
+#define HAVE_IFACE_AIX 1
+#define AUTOCONF_TEST 1
+#undef _XOPEN_SOURCE_EXTENDED
+#include "$libreplacedir/getifaddrs.c"],
+           samba_cv_HAVE_IFACE_AIX=yes,samba_cv_HAVE_IFACE_AIX=no,samba_cv_HAVE_IFACE_AIX=cross)])
+if test x"$samba_cv_HAVE_IFACE_AIX" = x"yes"; then
+    iface=yes;AC_DEFINE(HAVE_IFACE_AIX,1,[Whether iface AIX is available])
+fi
+fi
+
+
+if test $iface = no; then
+AC_CACHE_CHECK([for iface ifconf],samba_cv_HAVE_IFACE_IFCONF,[
+AC_TRY_RUN([
+#define HAVE_IFACE_IFCONF 1
+#define AUTOCONF_TEST 1
+#include "$libreplacedir/getifaddrs.c"],
+           samba_cv_HAVE_IFACE_IFCONF=yes,samba_cv_HAVE_IFACE_IFCONF=no,samba_cv_HAVE_IFACE_IFCONF=cross)])
+if test x"$samba_cv_HAVE_IFACE_IFCONF" = x"yes"; then
+    iface=yes;AC_DEFINE(HAVE_IFACE_IFCONF,1,[Whether iface ifconf is available])
+fi
+fi
+
+if test $iface = no; then
+AC_CACHE_CHECK([for iface ifreq],samba_cv_HAVE_IFACE_IFREQ,[
+AC_TRY_RUN([
+#define HAVE_IFACE_IFREQ 1
+#define AUTOCONF_TEST 1
+#include "$libreplacedir/getifaddrs.c"],
+           samba_cv_HAVE_IFACE_IFREQ=yes,samba_cv_HAVE_IFACE_IFREQ=no,samba_cv_HAVE_IFACE_IFREQ=cross)])
+if test x"$samba_cv_HAVE_IFACE_IFREQ" = x"yes"; then
+    iface=yes;AC_DEFINE(HAVE_IFACE_IFREQ,1,[Whether iface ifreq is available])
+fi
+fi
+
+LIBS=$old_LIBS
diff --git a/ctdb/lib/replace/getpass.c b/ctdb/lib/replace/getpass.c
index f6a72ad86a..d91d029f6a 100644
--- a/ctdb/lib/replace/getpass.c
+++ b/ctdb/lib/replace/getpass.c
@@ -18,21 +18,10 @@ not, see <http://www.gnu.org/licenses/>.  */
 /* Modified to use with samba by Jeremy Allison, 8th July 1995. */
 
 #include "replace.h"
-
-#if defined(HAVE_TERMIOS_H)
-/* POSIX terminal handling. */
-#include <termios.h>
-#elif defined(HAVE_TERMIO_H)
-/* Older SYSV terminal handling - don't use if we can avoid it. */
-#include <termio.h>
-#elif defined(HAVE_SYS_TERMIO_H)
-/* Older SYSV terminal handling - don't use if we can avoid it. */
-#include <sys/termio.h>
-#endif
-
-#ifdef HAVE_SYS_WAIT_H
-#include <sys/wait.h>
-#endif
+#include "system/filesys.h"
+#include "system/wait.h"
+#include "system/terminal.h"
+#include "system/passwd.h"
 
 /*
  * Define additional missing types
@@ -49,8 +38,6 @@ typedef int sig_atomic_t;
 #define SIGNAL_CAST (RETSIGTYPE (*)(int))
 #endif
 
-#ifdef REPLACE_GETPASS
-
 #ifdef SYSV_TERMIO 
 
 /* SYSTEM V TERMIO HANDLING */
@@ -131,81 +118,102 @@ static void catch_signal(int signum,void (*handler)(int ))
 	sigemptyset(&act.sa_mask);
 	sigaddset(&act.sa_mask,signum);
 	sigaction(signum,&act,&oldact);
-	return oldact.sa_handler;
 #else /* !HAVE_SIGACTION */
 	/* FIXME: need to handle sigvec and systems with broken signal() */
-	return signal(signum, handler);
+	signal(signum, handler);
 #endif
 }
 
-char *getsmbpass(const char *prompt)
+static sig_atomic_t gotintr;
+static int in_fd = -1;
+
+/***************************************************************
+ Signal function to tell us were ^C'ed.
+****************************************************************/
+
+static void gotintr_sig(void)
+{
+	gotintr = 1;
+	if (in_fd != -1)
+		close(in_fd); /* Safe way to force a return. */
+	in_fd = -1;
+}
+
+char *rep_getpass(const char *prompt)
 {
-  FILE *in, *out;
-  int echo_off;
-  static char buf[256];
-  static size_t bufsize = sizeof(buf);
-  size_t nread;
-
-  /* Catch problematic signals */
-  catch_signal(SIGINT, SIGNAL_CAST SIG_IGN);
-
-  /* Try to write to and read from the terminal if we can.
-     If we can't open the terminal, use stderr and stdin.  */
-
-  in = fopen ("/dev/tty", "w+");
-  if (in == NULL)
-    {
-      in = stdin;
-      out = stderr;
-    }
-  else
-    out = in;
-
-  setvbuf(in, NULL, _IONBF, 0);
-
-  /* Turn echoing off if it is on now.  */
-
-  if (tcgetattr (fileno (in), &t) == 0)
-    {
-	  if (ECHO_IS_ON(t))
-	{
-		TURN_ECHO_OFF(t);
-		echo_off = tcsetattr (fileno (in), TCSAFLUSH, &t) == 0;
-		TURN_ECHO_ON(t);
+	FILE *in, *out;
+	int echo_off;
+	static char buf[256];
+	static size_t bufsize = sizeof(buf);
+	size_t nread;
+
+	/* Catch problematic signals */
+	catch_signal(SIGINT, SIGNAL_CAST gotintr_sig);
+
+	/* Try to write to and read from the terminal if we can.
+		If we can't open the terminal, use stderr and stdin.  */
+
+	in = fopen ("/dev/tty", "w+");
+	if (in == NULL) {
+		in = stdin;
+		out = stderr;
+	} else {
+		out = in;
 	}
-      else
-	echo_off = 0;
-    }
-  else
-    echo_off = 0;
-
-  /* Write the prompt.  */
-  fputs (prompt, out);
-  fflush (out);
-
-  /* Read the password.  */
-  buf[0] = 0;
-  fgets(buf, bufsize, in);
-  nread = strlen(buf);
-  if (buf[nread - 1] == '\n')
-    buf[nread - 1] = '\0';
-
-  /* Restore echoing.  */
-  if (echo_off)
-    (void) tcsetattr (fileno (in), TCSANOW, &t);
-
-  if (in != stdin)
-    /* We opened the terminal; now close it.  */
-    fclose (in);
-
-  /* Catch problematic signals */
-  catch_signal(SIGINT, SIGNAL_CAST SIG_DFL);
-
-  printf("\n");
-  return buf;
-}
 
-#else
- void getsmbpasswd_dummy(void);
- void getsmbpasswd_dummy(void) {;}
-#endif
+	setvbuf(in, NULL, _IONBF, 0);
+
+	/* Turn echoing off if it is on now.  */
+
+	if (tcgetattr (fileno (in), &t) == 0) {
+		if (ECHO_IS_ON(t)) {
+			TURN_ECHO_OFF(t);
+			echo_off = tcsetattr (fileno (in), TCSAFLUSH, &t) == 0;
+			TURN_ECHO_ON(t);
+		} else {
+			echo_off = 0;
+		}
+	} else {
+		echo_off = 0;
+	}
+
+	/* Write the prompt.  */
+	fputs(prompt, out);
+	fflush(out);
+
+	/* Read the password.  */
+	buf[0] = 0;
+	if (!gotintr) {
+		in_fd = fileno(in);
+		fgets(buf, bufsize, in);
+	}
+	nread = strlen(buf);
+	if (nread) {
+		if (buf[nread - 1] == '\n')
+			buf[nread - 1] = '\0';
+	}
+
+	/* Restore echoing.  */
+	if (echo_off) {
+		if (gotintr && in_fd == -1)
+			in = fopen ("/dev/tty", "w+");
+		if (in != NULL)
+			tcsetattr (fileno (in), TCSANOW, &t);
+	}
+
+	fprintf(out, "\n");
+	fflush(out);
+
+	if (in && in != stdin) /* We opened the terminal; now close it.  */
+		fclose(in);
+
+	/* Catch problematic signals */
+	catch_signal(SIGINT, SIGNAL_CAST SIG_DFL);
+
+	if (gotintr) {
+		printf("Interupted by signal.\n");
+		fflush(stdout);
+		exit(1);
+	}
+	return buf;
+}
diff --git a/ctdb/lib/replace/getpass.m4 b/ctdb/lib/replace/getpass.m4
index 20d04a63f6..17dfdf7bf5 100644
--- a/ctdb/lib/replace/getpass.m4
+++ b/ctdb/lib/replace/getpass.m4
@@ -3,11 +3,8 @@ SAVE_CPPFLAGS="$CPPFLAGS"
 CPPFLAGS="$CPPFLAGS -I$libreplacedir/"
 AC_TRY_COMPILE([
 #include "confdefs.h"
-#define _LIBREPLACE_REPLACE_H
-#define REPLACE_GETPASS 1
-#define main dont_declare_main
+#define NO_CONFIG_H
 #include "$libreplacedir/getpass.c"
-#undef main
 ],[],samba_cv_REPLACE_GETPASS=yes,samba_cv_REPLACE_GETPASS=no)
 CPPFLAGS="$SAVE_CPPFLAGS"
 ])
diff --git a/ctdb/lib/replace/inet_ntop.c b/ctdb/lib/replace/inet_ntop.c
new file mode 100644
index 0000000000..fb3d8e90c8
--- /dev/null
+++ b/ctdb/lib/replace/inet_ntop.c
@@ -0,0 +1,191 @@
+/*
+ * Copyright (C) 1996-2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+#include "replace.h"
+#include "system/network.h"
+
+#define NS_INT16SZ	 2
+#define NS_IN6ADDRSZ	16
+
+/*
+ * WARNING: Don't even consider trying to compile this on a system where
+ * sizeof(int) < 4.  sizeof(int) > 4 is fine; all the world's not a VAX.
+ */
+
+static const char *inet_ntop4(const unsigned char *src, char *dst,
+			      socklen_t size);
+
+#ifdef AF_INET6
+static const char *inet_ntop6(const unsigned char *src, char *dst,
+			      socklen_t size);
+#endif
+
+/* char *
+ * isc_net_ntop(af, src, dst, size)
+ *	convert a network format address to presentation format.
+ * return:
+ *	pointer to presentation format address (`dst'), or NULL (see errno).
+ * author:
+ *	Paul Vixie, 1996.
+ */
+const char *
+rep_inet_ntop(int af, const void *src, char *dst, socklen_t size)
+{
+	switch (af) {
+	case AF_INET:
+		return (inet_ntop4(src, dst, size));
+#ifdef AF_INET6
+	case AF_INET6:
+		return (inet_ntop6(src, dst, size));
+#endif
+	default:
+		errno = EAFNOSUPPORT;
+		return (NULL);
+	}
+	/* NOTREACHED */
+}
+
+/* const char *
+ * inet_ntop4(src, dst, size)
+ *	format an IPv4 address
+ * return:
+ *	`dst' (as a const)
+ * notes:
+ *	(1) uses no statics
+ *	(2) takes a unsigned char* not an in_addr as input
+ * author:
+ *	Paul Vixie, 1996.
+ */
+static const char *
+inet_ntop4(const unsigned char *src, char *dst, socklen_t size)
+{
+	static const char *fmt = "%u.%u.%u.%u";
+	char tmp[sizeof "255.255.255.255"];
+	size_t len;
+
+	len = snprintf(tmp, sizeof tmp, fmt, src[0], src[1], src[2], src[3]);
+	if (len >= size) {
+		errno = ENOSPC;
+		return (NULL);
+	}
+	memcpy(dst, tmp, len + 1);
+
+	return (dst);
+}
+
+/* const char *
+ * isc_inet_ntop6(src, dst, size)
+ *	convert IPv6 binary address into presentation (printable) format
+ * author:
+ *	Paul Vixie, 1996.
+ */
+#ifdef AF_INET6
+static const char *
+inet_ntop6(const unsigned char *src, char *dst, socklen_t size)
+{
+	/*
+	 * Note that int32_t and int16_t need only be "at least" large enough
+	 * to contain a value of the specified size.  On some systems, like
+	 * Crays, there is no such thing as an integer variable with 16 bits.
+	 * Keep this in mind if you think this function should have been coded
+	 * to use pointer overlays.  All the world's not a VAX.
+	 */
+	char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;
+	struct { int base, len; } best, cur;
+	unsigned int words[NS_IN6ADDRSZ / NS_INT16SZ];
+	int i, inc;
+
+	/*
+	 * Preprocess:
+	 *	Copy the input (bytewise) array into a wordwise array.
+	 *	Find the longest run of 0x00's in src[] for :: shorthanding.
+	 */
+	memset(words, '\0', sizeof words);
+	for (i = 0; i < NS_IN6ADDRSZ; i++)
+		words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
+	best.base = -1;
+	best.len = 0;
+	cur.base = -1;
+	cur.len = 0;
+	for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
+		if (words[i] == 0) {
+			if (cur.base == -1)
+				cur.base = i, cur.len = 1;
+			else
+				cur.len++;
+		} else {
+			if (cur.base != -1) {
+				if (best.base == -1 || cur.len > best.len)
+					best = cur;
+				cur.base = -1;
+			}
+		}
+	}
+	if (cur.base != -1) {
+		if (best.base == -1 || cur.len > best.len)
+			best = cur;
+	}
+	if (best.base != -1 && best.len < 2)
+		best.base = -1;
+
+	/*
+	 * Format the result.
+	 */
+	tp = tmp;
+	for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
+		/* Are we inside the best run of 0x00's? */
+		if (best.base != -1 && i >= best.base &&
+		    i < (best.base + best.len)) {
+			if (i == best.base)
+				*tp++ = ':';
+			continue;
+		}
+		/* Are we following an initial run of 0x00s or any real hex? */
+		if (i != 0)
+			*tp++ = ':';
+		/* Is this address an encapsulated IPv4? */
+		if (i == 6 && best.base == 0 &&
+		    (best.len == 6 || (best.len == 5 && words[5] == 0xffff))) {
+			if (!inet_ntop4(src+12, tp, sizeof tmp - (tp - tmp)))
+				return (NULL);
+			tp += strlen(tp);
+			break;
+		}
+		inc = snprintf(tp, 5, "%x", words[i]);
+		if (inc >= 5) {
+			abort();
+		}
+		tp += inc;
+	}
+	/* Was it a trailing run of 0x00's? */
+	if (best.base != -1 && (best.base + best.len) ==
+	    (NS_IN6ADDRSZ / NS_INT16SZ))
+		*tp++ = ':';
+	*tp++ = '\0';
+
+	/*
+	 * Check for overflow, copy, and we're done.
+	 */
+	if ((size_t)(tp - tmp) > size) {
+		errno = ENOSPC;
+		return (NULL);
+	}
+	memcpy(dst, tmp, tp - tmp);
+	return (dst);
+}
+#endif /* AF_INET6 */
diff --git a/ctdb/lib/replace/inet_ntop.m4 b/ctdb/lib/replace/inet_ntop.m4
new file mode 100644
index 0000000000..6f39056f1d
--- /dev/null
+++ b/ctdb/lib/replace/inet_ntop.m4
@@ -0,0 +1 @@
+AC_CHECK_FUNCS(inet_ntop,[],[LIBREPLACEOBJ="${LIBREPLACEOBJ} inet_ntop.o"])
diff --git a/ctdb/lib/replace/inet_pton.c b/ctdb/lib/replace/inet_pton.c
new file mode 100644
index 0000000000..80e4865ef4
--- /dev/null
+++ b/ctdb/lib/replace/inet_pton.c
@@ -0,0 +1,213 @@
+/*
+ * Copyright (C) 1996-2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "replace.h"
+#include "system/network.h"
+
+#define NS_INT16SZ	 2
+#define NS_INADDRSZ	 4
+#define NS_IN6ADDRSZ	16
+
+/*
+ * WARNING: Don't even consider trying to compile this on a system where
+ * sizeof(int) < 4.  sizeof(int) > 4 is fine; all the world's not a VAX.
+ */
+
+static int inet_pton4(const char *src, unsigned char *dst);
+#ifdef AF_INET6
+static int inet_pton6(const char *src, unsigned char *dst);
+#endif
+
+/* int
+ * inet_pton(af, src, dst)
+ *	convert from presentation format (which usually means ASCII printable)
+ *	to network format (which is usually some kind of binary format).
+ * return:
+ *	1 if the address was valid for the specified address family
+ *	0 if the address wasn't valid (`dst' is untouched in this case)
+ *	-1 if some other error occurred (`dst' is untouched in this case, too)
+ * author:
+ *	Paul Vixie, 1996.
+ */
+int
+rep_inet_pton(int af,
+	  const char *src,
+	  void *dst)
+{
+	switch (af) {
+	case AF_INET:
+		return (inet_pton4(src, dst));
+#ifdef AF_INET6
+	case AF_INET6:
+		return (inet_pton6(src, dst));
+#endif
+	default:
+		errno = EAFNOSUPPORT;
+		return (-1);
+	}
+	/* NOTREACHED */
+}
+
+/* int
+ * inet_pton4(src, dst)
+ *	like inet_aton() but without all the hexadecimal and shorthand.
+ * return:
+ *	1 if `src' is a valid dotted quad, else 0.
+ * notice:
+ *	does not touch `dst' unless it's returning 1.
+ * author:
+ *	Paul Vixie, 1996.
+ */
+static int
+inet_pton4(src, dst)
+	const char *src;
+	unsigned char *dst;
+{
+	static const char digits[] = "0123456789";
+	int saw_digit, octets, ch;
+	unsigned char tmp[NS_INADDRSZ], *tp;
+
+	saw_digit = 0;
+	octets = 0;
+	*(tp = tmp) = 0;
+	while ((ch = *src++) != '\0') {
+		const char *pch;
+
+		if ((pch = strchr(digits, ch)) != NULL) {
+			unsigned int new = *tp * 10 + (pch - digits);
+
+			if (new > 255)
+				return (0);
+			*tp = new;
+			if (! saw_digit) {
+				if (++octets > 4)
+					return (0);
+				saw_digit = 1;
+			}
+		} else if (ch == '.' && saw_digit) {
+			if (octets == 4)
+				return (0);
+			*++tp = 0;
+			saw_digit = 0;
+		} else
+			return (0);
+	}
+	if (octets < 4)
+		return (0);
+	memcpy(dst, tmp, NS_INADDRSZ);
+	return (1);
+}
+
+/* int
+ * inet_pton6(src, dst)
+ *	convert presentation level address to network order binary form.
+ * return:
+ *	1 if `src' is a valid [RFC1884 2.2] address, else 0.
+ * notice:
+ *	(1) does not touch `dst' unless it's returning 1.
+ *	(2) :: in a full address is silently ignored.
+ * credit:
+ *	inspired by Mark Andrews.
+ * author:
+ *	Paul Vixie, 1996.
+ */
+#ifdef AF_INET6
+static int
+inet_pton6(src, dst)
+	const char *src;
+	unsigned char *dst;
+{
+	static const char xdigits_l[] = "0123456789abcdef",
+			  xdigits_u[] = "0123456789ABCDEF";
+	unsigned char tmp[NS_IN6ADDRSZ], *tp, *endp, *colonp;
+	const char *xdigits, *curtok;
+	int ch, saw_xdigit;
+	unsigned int val;
+
+	memset((tp = tmp), '\0', NS_IN6ADDRSZ);
+	endp = tp + NS_IN6ADDRSZ;
+	colonp = NULL;
+	/* Leading :: requires some special handling. */
+	if (*src == ':')
+		if (*++src != ':')
+			return (0);
+	curtok = src;
+	saw_xdigit = 0;
+	val = 0;
+	while ((ch = *src++) != '\0') {
+		const char *pch;
+
+		if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL)
+			pch = strchr((xdigits = xdigits_u), ch);
+		if (pch != NULL) {
+			val <<= 4;
+			val |= (pch - xdigits);
+			if (val > 0xffff)
+				return (0);
+			saw_xdigit = 1;
+			continue;
+		}
+		if (ch == ':') {
+			curtok = src;
+			if (!saw_xdigit) {
+				if (colonp)
+					return (0);
+				colonp = tp;
+				continue;
+			}
+			if (tp + NS_INT16SZ > endp)
+				return (0);
+			*tp++ = (unsigned char) (val >> 8) & 0xff;
+			*tp++ = (unsigned char) val & 0xff;
+			saw_xdigit = 0;
+			val = 0;
+			continue;
+		}
+		if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) &&
+		    inet_pton4(curtok, tp) > 0) {
+			tp += NS_INADDRSZ;
+			saw_xdigit = 0;
+			break;	/* '\0' was seen by inet_pton4(). */
+		}
+		return (0);
+	}
+	if (saw_xdigit) {
+		if (tp + NS_INT16SZ > endp)
+			return (0);
+		*tp++ = (unsigned char) (val >> 8) & 0xff;
+		*tp++ = (unsigned char) val & 0xff;
+	}
+	if (colonp != NULL) {
+		/*
+		 * Since some memmove()'s erroneously fail to handle
+		 * overlapping regions, we'll do the shift by hand.
+		 */
+		const int n = tp - colonp;
+		int i;
+
+		for (i = 1; i <= n; i++) {
+			endp[- i] = colonp[n - i];
+			colonp[n - i] = 0;
+		}
+		tp = endp;
+	}
+	if (tp != endp)
+		return (0);
+	memcpy(dst, tmp, NS_IN6ADDRSZ);
+	return (1);
+}
+#endif
diff --git a/ctdb/lib/replace/inet_pton.m4 b/ctdb/lib/replace/inet_pton.m4
new file mode 100644
index 0000000000..51de9275d0
--- /dev/null
+++ b/ctdb/lib/replace/inet_pton.m4
@@ -0,0 +1 @@
+AC_CHECK_FUNCS(inet_pton,[],[LIBREPLACEOBJ="${LIBREPLACEOBJ} inet_pton.o"])
diff --git a/ctdb/lib/replace/libreplace.m4 b/ctdb/lib/replace/libreplace.m4
index f06d7f83dc..a577285639 100644
--- a/ctdb/lib/replace/libreplace.m4
+++ b/ctdb/lib/replace/libreplace.m4
@@ -137,21 +137,46 @@ if test x"$samba_cv_REPLACE_INET_NTOA" = x"yes"; then
     AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced])
 fi
 
-dnl Provided by replace.c:
-AC_TRY_COMPILE([
+AC_HAVE_TYPE([socklen_t],[#include <sys/socket.h>])
+AC_HAVE_TYPE([sa_family_t],[#include <sys/socket.h>])
+AC_HAVE_TYPE([struct addrinfo], [#include <netdb.h>])
+AC_HAVE_TYPE([struct sockaddr], [#include <sys/socket.h>])
+AC_HAVE_TYPE([struct sockaddr_storage], [
+#include <sys/socket.h>
 #include <sys/types.h>
-#if STDC_HEADERS
-#include <stdlib.h>
-#include <stddef.h>
-#endif
-#include <sys/socket.h>], 
-[socklen_t foo;],,
-[AC_DEFINE(socklen_t, int,[Socket length type])])
+#include <netinet/in.h>
+])
+AC_HAVE_TYPE([struct sockaddr_in6], [
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+])
+
+if test x"$ac_cv_type_struct_sockaddr_storage" = x"yes"; then
+AC_CHECK_MEMBER(struct sockaddr_storage.ss_family,
+                AC_DEFINE(HAVE_SS_FAMILY, 1, [Defined if struct sockaddr_storage has ss_family field]),,
+                [
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+		])
+
+if test x"$ac_cv_member_struct_sockaddr_storage_ss_family" != x"yes"; then
+AC_CHECK_MEMBER(struct sockaddr_storage.__ss_family,
+                AC_DEFINE(HAVE___SS_FAMILY, 1, [Defined if struct sockaddr_storage has __ss_family field]),,
+                [
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+		])
+fi
+fi
 
 AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror)
 AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename)
 AC_CHECK_FUNCS(waitpid strlcpy strlcat initgroups memmove strdup)
 AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp socketpair)
+AC_CHECK_FUNCS(isatty)
 AC_HAVE_DECL(setresuid, [#include <unistd.h>])
 AC_HAVE_DECL(setresgid, [#include <unistd.h>])
 AC_HAVE_DECL(errno, [#include <errno.h>])
@@ -275,9 +300,6 @@ AC_TRY_CPP([
 eprintf("bla", "bar");
 ], AC_DEFINE(HAVE__VA_ARGS__MACRO, 1, [Whether the __VA_ARGS__ macro is available]))
 
-# Check prerequisites
-AC_CHECK_FUNCS([memset printf syslog], [], 
-			   [ AC_MSG_ERROR([Required function not found])])
 
 AC_CACHE_CHECK([for sig_atomic_t type],samba_cv_sig_atomic_t, [
     AC_TRY_COMPILE([
@@ -303,18 +325,7 @@ AC_TRY_COMPILE([
 samba_cv_HAVE_OPEN_O_DIRECT=yes,samba_cv_HAVE_OPEN_O_DIRECT=no)])
 if test x"$samba_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
     AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT])
-fi 
-
-
-AC_CACHE_CHECK([that the C compiler can precompile header files],samba_cv_precompiled_headers, [
-	dnl Check whether the compiler can generate precompiled headers
-	touch conftest.h
-	if ${CC-cc} conftest.h 2> /dev/null && test -f conftest.h.gch; then
-		precompiled_headers=yes
-	else
-		precompiled_headers=no
-	fi])
-AC_SUBST(precompiled_headers)
+fi
 
 
 dnl Check if the C compiler understands volatile (it should, being ANSI).
@@ -332,9 +343,13 @@ m4_include(getpass.m4)
 m4_include(strptime.m4)
 m4_include(win32.m4)
 m4_include(timegm.m4)
+m4_include(inet_ntop.m4)
+m4_include(inet_pton.m4)
+m4_include(getaddrinfo.m4)
 m4_include(repdir.m4)
+m4_include(getifaddrs.m4)
 
-AC_CHECK_FUNCS([syslog memset memcpy],,[AC_MSG_ERROR([Required function not found])])
+AC_CHECK_FUNCS([syslog printf memset memcpy],,[AC_MSG_ERROR([Required function not found])])
 
 echo "LIBREPLACE_BROKEN_CHECKS: END"
 ]) dnl end AC_LIBREPLACE_BROKEN_CHECKS
@@ -358,5 +373,6 @@ CFLAGS="$CFLAGS -I$libreplacedir"
 ])
 
 m4_include(libreplace_cc.m4)
+m4_include(libreplace_ld.m4)
 m4_include(libreplace_macros.m4)
 m4_include(autoconf-2.60.m4)
diff --git a/ctdb/lib/replace/libreplace_cc.m4 b/ctdb/lib/replace/libreplace_cc.m4
index a01bf1b290..bf5056838d 100644
--- a/ctdb/lib/replace/libreplace_cc.m4
+++ b/ctdb/lib/replace/libreplace_cc.m4
@@ -48,8 +48,7 @@ LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_WARN([c99 structure initializer are not su
 AC_PROG_INSTALL
 
 AC_ISC_POSIX
-AC_EXTENSION_FLAG(_XOPEN_SOURCE_EXTENDED)
-AC_EXTENSION_FLAG(_OSF_SOURCE)
+AC_N_DEFINE(_XOPEN_SOURCE_EXTENDED)
 
 AC_SYS_LARGEFILE
 
@@ -77,6 +76,11 @@ case "$host_os" in
 			CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000"
 		fi
 		;;
+	*osf*)
+		# this brings in socklen_t
+		AC_N_DEFINE(_XOPEN_SOURCE,600)
+		AC_N_DEFINE(_OSF_SOURCE)
+		;;
 	#
 	# VOS may need to have POSIX support and System V compatibility enabled.
 	#
diff --git a/ctdb/lib/replace/libreplace_ld.m4 b/ctdb/lib/replace/libreplace_ld.m4
new file mode 100644
index 0000000000..cb8e21434e
--- /dev/null
+++ b/ctdb/lib/replace/libreplace_ld.m4
@@ -0,0 +1,313 @@
+#
+# This offers a nice overview how to build shared libraries on all platforms
+#        http://www.fortran-2000.com/ArnaudRecipes/sharedlib.html
+#
+
+AC_DEFUN([AC_LIBREPLACE_STLD],
+[
+	AC_PATH_PROG(PROG_AR, ar)
+
+	STLD=${PROG_AR}
+
+	AC_SUBST(STLD)
+])
+
+AC_DEFUN([AC_LIBREPLACE_STLD_FLAGS],
+[
+	STLD_FLAGS="-rcs"
+	AC_SUBST(STLD_FLAGS)
+])
+
+AC_DEFUN([AC_LD_EXPORT_DYNAMIC],
+[
+saved_LDFLAGS="$LDFLAGS"
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -Wl,--version 2>&1 | grep "GNU ld" >/dev/null]); then
+	LD_EXPORT_DYNAMIC="-Wl,-export-dynamic"
+else
+	case "$host_os" in
+		hpux* )
+		  LD_EXPORT_DYNAMIC="-Wl,-E"
+		  ;;
+		*)
+		  LD_EXPORT_DYNAMIC=""
+		  ;;
+	  esac
+fi
+AC_SUBST(LD_EXPORT_DYNAMIC)
+LDFLAGS="$saved_LDFLAGS"
+])
+
+AC_DEFUN([AC_LD_PICFLAG],
+[
+case "$host_os" in
+	*linux*) 
+		PICFLAG="-fPIC" 
+		;;
+	*solaris*)
+		if test "${GCC}" = "yes"; then
+			PICFLAG="-fPIC"
+		else
+			PICFLAG="-KPIC"
+		fi
+		;;
+	*sunos*)
+		PICFLAG="-KPIC"   # Is this correct for SunOS
+		;;
+	*netbsd* | *freebsd* | *dragonfly* )  
+		PICFLAG="-fPIC -DPIC"
+		;;
+	*openbsd*)
+		PICFLAG="-fPIC"
+		;;
+	*irix*)
+		if test "${GCC}" = "yes"; then
+			PICFLAG="-fPIC"
+		else 
+			PICFLAG="-KPIC"
+		fi
+		;;
+	*aix*)
+		# as AIX code is always position independent...
+		PICFLAG="-O2"
+		;;
+	*hpux*)
+		if test $ac_cv_prog_cc_Ae = yes; then
+			PICFLAG="+z +ESnolit"
+		elif test "${GCC}" = "yes"; then
+			PICFLAG="-fPIC"
+		fi
+		if test "$host_cpu" = "ia64"; then
+			PICFLAG="+z"
+		fi
+		;;
+	*osf*)
+		PICFLAG="-fPIC"
+		;;
+	*unixware*)
+		PICFLAG="-KPIC"
+		;;
+	*darwin*)
+		PICFLAG="-fno-common"
+		;;
+esac
+AC_SUBST(PICFLAG)
+])
+
+AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_LINKER],
+[
+	LD_SHLIB_LINKER="${CC}"
+
+	case "$host_os" in
+		*irix*)
+			LD_SHLIB_LINKER="${PROG_LD}"
+			;;
+	esac
+
+	AC_SUBST(LD_SHLIB_LINKER)
+])
+
+AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_FLAGS],
+[
+	LD_SHLIB_FLAGS="-shared"
+
+	case "$host_os" in
+		*linux*)
+			LD_SHLIB_FLAGS="-shared -Wl,-Bsymbolic"
+			;;
+		*solaris*)
+			LD_SHLIB_FLAGS="-G"
+			if test "${GCC}" = "no"; then
+				## ${CFLAGS} added for building 64-bit shared 
+				## libs using Sun's Compiler
+				LD_SHLIB_FLAGS="-G \${CFLAGS}"
+			fi
+			;;
+		*sunos*)
+			LD_SHLIB_FLAGS="-G"
+			;;
+		*irix*)
+			LD_SHLIB_FLAGS="-shared"
+			;;
+		*aix*)
+			LD_SHLIB_FLAGS="-Wl,-G,-bexpall,-bbigtoc"
+			;;
+		*hpux*)
+			if test "${GCC}" = "yes"; then
+				LD_SHLIB_FLAGS="-shared"
+			else
+				LD_SHLIB_FLAGS="-b"
+			fi
+			;;
+		*osf*)
+			LD_SHLIB_FLAGS="-shared"
+			;;
+		*darwin*)
+			LD_SHLIB_FLAGS="-dynamiclib -Wl,-search_paths_first"
+			;;
+	esac
+
+	AC_SUBST(LD_SHLIB_FLAGS)
+])
+
+AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_DISALLOW_UNDEF_FLAG],
+[
+	LD_SHLIB_DISALLOW_UNDEF_FLAG=""
+
+	#
+	# TODO: enforce error not only warnings
+	#
+	# NOTE: -Wl,--no-allow-shlib-undefined isn't what we want...
+	#       as it bails out on broken system libraries
+	#
+	case "$host_os" in
+		*osf*)
+			LD_SHLIB_DISALLOW_UNDEF_FLAG="-warning_unresolved"
+			;;
+		*darwin*)
+			LD_SHLIB_DISALLOW_UNDEF_FLAG="-undefined error"
+			;;
+	esac
+
+	AC_SUBST(LD_SHLIB_DISALLOW_UNDEF_FLAG)
+])
+
+AC_DEFUN([AC_LIBREPLACE_SHLD],
+[
+	AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_LINKER])
+	SHLD="$LD_SHLIB_LINKER"
+	AC_SUBST(SHLD)
+])
+
+AC_DEFUN([AC_LIBREPLACE_SHLD_FLAGS],
+[
+	AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_FLAGS])
+	AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_DISALLOW_UNDEF_FLAG])
+	SHLD_FLAGS="$LD_SHLIB_FLAGS $LD_SHLIB_DISALLOW_UNDEF_FLAG"
+	AC_SUBST(SHLD_FLAGS)
+])
+
+AC_DEFUN([AC_LD_SHLIBEXT],
+[
+	SHLIBEXT="so"
+	case "$host_os" in
+		*hpux*)
+			if test "$host_cpu" = "ia64"; then
+				SHLIBEXT="so"
+			else
+				SHLIBEXT="sl"
+			fi
+		;;
+		*darwin*)
+			SHLIBEXT="dylib"
+		;;
+	esac
+	AC_SUBST(SHLIBEXT)
+])
+
+AC_DEFUN([AC_LD_SONAMEFLAG],
+[
+	AC_SUBST(SONAMEFLAG)
+	SONAMEFLAG=""
+	case "$host_os" in 
+		*linux*)
+			SONAMEFLAG="-Wl,-soname="
+			;;
+		*solaris*)
+			SONAMEFLAG="-h "
+			if test "${GCC}" = "yes"; then
+				SONAMEFLAG="-Wl,-soname="
+			fi
+			;;
+		*sunos*)
+			SONAMEFLAG="-Wl,-h,"
+			;;
+		*netbsd* | *freebsd* | *dragonfly* )
+			SONAMEFLAG="-Wl,-soname,"
+			;;
+		*openbsd*)
+			SONAMEFLAG="-Wl,-soname,"
+			;;
+		*irix*)
+			SONAMEFLAG="-Wl,-soname,"
+			;;
+		*hpux*)
+			SONAMEFLAG="-Wl,+h,"
+			;;
+		*osf*)
+			SONAMEFLAG="-Wl,-soname,"
+			;;
+		*unixware*)
+			SONAMEFLAG="-Wl,-soname,"
+			;;
+		*darwin*)
+			SONAMEFLAG="#"
+			;;
+		*aix*)
+			# Not supported
+			SONAMEFLAG="#"
+			;;
+		esac
+])
+
+AC_DEFUN([AC_LIBREPLACE_MDLD],
+[
+	AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_LINKER])
+	MDLD="$LD_SHLIB_LINKER"
+	AC_SUBST(MDLD)
+])
+
+AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_ALLOW_UNDEF_FLAG],
+[
+	LD_ALLOW_SHLIB_UNDEF_FLAG=""
+
+	case "$host_os" in
+		*linux*)
+			LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,--allow-shlib-undefined"
+			;;
+		*osf*)
+			LD_SHLIB_ALLOW_UNDEF_FLAG="-expect_unresolved '*'"
+			;;
+		*darwin*)
+			LD_SHLIB_ALLOW_UNDEF_FLAG="-undefined dynamic_lookup"
+			;;
+	esac
+
+	AC_SUBST(LD_SHLIB_ALLOW_UNDEF_FLAG)
+])
+
+AC_DEFUN([AC_LIBREPLACE_MDLD_FLAGS],
+[
+	AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_FLAGS])
+	AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_ALLOW_UNDEF_FLAG])
+	MDLD_FLAGS="$LD_SHLIB_FLAGS $LD_SHLIB_ALLOW_UNDEF_FLAG"
+	AC_SUBST(MDLD_FLAGS)
+])
+
+AC_DEFUN([AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR],
+[
+	case "$host_os" in
+		*linux*)
+			LIB_PATH_VAR=LD_LIBRARY_PATH
+		;;
+		*solaris*)
+			LIB_PATH_VAR=LD_LIBRARY_PATH
+		;;
+		*hpux*)
+			LIB_PATH_VAR=SHLIB_PATH
+		;;
+		*osf*)
+			LIB_PATH_VAR=LD_LIBRARY_PATH
+		;;
+		*aix*)
+			LIB_PATH_VAR=LIB_PATH
+			;;
+		*irix*)
+			LIB_PATH_VAR=LD_LIBRARY_PATH
+			;;
+		*darwin*)
+			LIB_PATH_VAR=DYLD_LIBRARY_PATH
+			;;
+	esac
+
+	AC_SUBST(LIB_PATH_VAR)
+])
diff --git a/ctdb/lib/replace/libreplace_macros.m4 b/ctdb/lib/replace/libreplace_macros.m4
index f262b9b6eb..1856eacf66 100644
--- a/ctdb/lib/replace/libreplace_macros.m4
+++ b/ctdb/lib/replace/libreplace_macros.m4
@@ -87,19 +87,6 @@ fi
 rm -f conftest*
 ])])
 
-AC_DEFUN([AC_EXTENSION_FLAG],
-[
-  cat >>confdefs.h <<\EOF
-#ifndef $1
-# define $1 1
-#endif
-EOF
-AH_VERBATIM([$1], [#ifndef $1
-# define $1 1
-#endif])
-])
-
-
 dnl see if a declaration exists for a function or variable
 dnl defines HAVE_function_DECL if it exists
 dnl AC_HAVE_DECL(var, includes)
@@ -248,11 +235,18 @@ m4_define([AH_CHECK_FUNC_EXT],
 
 dnl Define an AC_DEFINE with ifndef guard.
 dnl AC_N_DEFINE(VARIABLE [, VALUE])
-define(AC_N_DEFINE,
-[cat >> confdefs.h <<\EOF
-[#ifndef] $1
-[#define] $1 ifelse($#, 2, [$2], $#, 3, [$2], 1)
-[#endif]
+AC_DEFUN([AC_N_DEFINE],
+[
+AH_VERBATIM([$1], [
+#ifndef $1
+# undef $1
+#endif
+])
+
+ cat >>confdefs.h <<\EOF
+#ifndef $1
+[#define] $1 m4_if($#, 1, 1, [$2])
+#endif
 EOF
 ])
 
@@ -291,14 +285,14 @@ dnl check if the prototype in the header matches the given one
 dnl AC_VERIFY_C_PROTOTYPE(prototype,functionbody,[IF-TRUE].[IF-FALSE],[extraheaders])
 AC_DEFUN(AC_VERIFY_C_PROTOTYPE,
 [AC_CACHE_CHECK([for prototype $1], AS_TR_SH([ac_cv_c_prototype_$1]),
-	AC_COMPILE_IFELSE([
+	AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 		AC_INCLUDES_DEFAULT
 		$5
 		$1
 		{
 			$2
 		}
-	],[
+	])],[
 		AS_TR_SH([ac_cv_c_prototype_$1])=yes
 	],[
 		AS_TR_SH([ac_cv_c_prototype_$1])=no
@@ -314,4 +308,25 @@ AC_DEFUN(LIBREPLACE_PROVIDE_HEADER,
 	)
 ])
 
-
+dnl AC_HAVE_TYPE(TYPE,INCLUDES)
+AC_DEFUN([AC_HAVE_TYPE], [
+AC_REQUIRE([AC_HEADER_STDC])
+cv=`echo "$1" | sed 'y%./+- %__p__%'`
+AC_MSG_CHECKING(for $1)
+AC_CACHE_VAL([ac_cv_type_$cv],
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+AC_INCLUDES_DEFAULT
+$2]],
+[[$1 foo;]])],
+[eval "ac_cv_type_$cv=yes"],
+[eval "ac_cv_type_$cv=no"]))dnl
+ac_foo=`eval echo \\$ac_cv_type_$cv`
+AC_MSG_RESULT($ac_foo)
+if test "$ac_foo" = yes; then
+  ac_tr_hdr=HAVE_`echo $1 | sed 'y%abcdefghijklmnopqrstuvwxyz./- %ABCDEFGHIJKLMNOPQRSTUVWXYZ____%'`
+if false; then
+	AC_CHECK_TYPES($1)
+fi
+  AC_DEFINE_UNQUOTED($ac_tr_hdr, 1, [Define if you have type `$1'])
+fi
+])
diff --git a/ctdb/lib/replace/replace.h b/ctdb/lib/replace/replace.h
index 06173bd84b..f8a89a7213 100644
--- a/ctdb/lib/replace/replace.h
+++ b/ctdb/lib/replace/replace.h
@@ -1,15 +1,16 @@
-/* 
+/*
    Unix SMB/CIFS implementation.
 
    macros to go along with the lib/replace/ portability layer code
 
    Copyright (C) Andrew Tridgell 2005
    Copyright (C) Jelmer Vernooij 2006
+   Copyright (C) Jeremy Allison 2007.
 
      ** NOTE! The following LGPL license applies to the replace
      ** library. This does NOT imply that all of Samba is released
      ** under the LGPL
-   
+
    This 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
@@ -44,13 +45,6 @@
 #include "win32_replace.h"
 #endif
 
-#ifdef __COMPAR_FN_T
-#define QSORT_CAST (__compar_fn_t)
-#endif
-
-#ifndef QSORT_CAST
-#define QSORT_CAST (int (*)(const void *, const void *))
-#endif
 
 #ifdef HAVE_STDINT_H
 #include <stdint.h>
@@ -78,29 +72,6 @@
 #include <stddef.h>
 #endif
 
-/**
-  this is a warning hack. The idea is to use this everywhere that we
-  get the "discarding const" warning from gcc. That doesn't actually
-  fix the problem of course, but it means that when we do get to
-  cleaning them up we can do it by searching the code for
-  discard_const.
-
-  It also means that other error types aren't as swamped by the noise
-  of hundreds of const warnings, so we are more likely to notice when
-  we get new errors.
-
-  Please only add more uses of this macro when you find it
-  _really_ hard to fix const warnings. Our aim is to eventually use
-  this function in only a very few places.
-
-  Also, please call this via the discard_const_p() macro interface, as that
-  makes the return type safe.
-*/
-#define discard_const(ptr) ((void *)((intptr_t)(ptr)))
-
-/** Type-safe version of discard_const */
-#define discard_const_p(type, ptr) ((type *)discard_const(ptr))
-
 #ifndef HAVE_STRERROR
 extern char *sys_errlist[];
 #define strerror(i) sys_errlist[i]
@@ -120,19 +91,14 @@ char *rep_strdup(const char *s);
 void *rep_memmove(void *dest,const void *src,int size);
 #endif
 
-#if !defined(HAVE_MKTIME) || !defined(HAVE_TIMEGM)
-#include "system/time.h"
-#endif
-
 #ifndef HAVE_MKTIME
 #define mktime rep_mktime
-time_t rep_mktime(struct tm *t);
+/* prototype is in "system/time.h" */
 #endif
 
 #ifndef HAVE_TIMEGM
-struct tm;
 #define timegm rep_timegm
-time_t rep_timegm(struct tm *tm);
+/* prototype is in "system/time.h" */
 #endif
 
 #ifndef HAVE_STRLCPY
@@ -168,7 +134,7 @@ int setenv(const char *name, const char *value, int overwrite);
 
 #ifndef HAVE_UNSETENV
 #define unsetenv rep_unsetenv
-int rep_unsetenv(const char *name); 
+int rep_unsetenv(const char *name);
 #endif
 
 #ifndef HAVE_SETEUID
@@ -192,7 +158,7 @@ char *rep_strcasestr(const char *haystack, const char *needle);
 #endif
 
 #ifndef HAVE_STRTOK_R
-#define strtok_r rep_strtok_r 
+#define strtok_r rep_strtok_r
 char *rep_strtok_r(char *s, const char *delim, char **save_ptr);
 #endif
 
@@ -359,10 +325,39 @@ ssize_t rep_pread(int __fd, void *__buf, size_t __nbytes, off_t __offset);
 ssize_t rep_pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset);
 #endif
 
+#ifdef REPLACE_INET_NTOA
+#define inet_ntoa rep_inet_ntoa
+/* prototype is in "system/network.h" */
+#endif
+
+#ifndef HAVE_INET_PTON
+#define inet_pton rep_inet_pton
+/* prototype is in "system/network.h" */
+#endif
+
+#ifndef HAVE_INET_NTOP
+#define inet_ntop rep_inet_ntop
+/* prototype is in "system/network.h" */
+#endif
+
+#ifndef HAVE_GETIFADDRS
+#define getifaddrs rep_getifaddrs
+/* prototype is in "system/network.h" */
+#endif
+
+#ifndef HAVE_FREEIFADDRS
+#define freeifaddrs rep_freeifaddrs
+/* prototype is in "system/network.h" */
+#endif
+
 #ifdef HAVE_LIMITS_H
 #include <limits.h>
 #endif
 
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
 /* The extra casts work around common compiler bugs.  */
 #define _TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
 /* The outer cast is needed to work around a bug in Cray C 5.0.3.0.
@@ -372,7 +367,15 @@ ssize_t rep_pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset)
 #define _TYPE_MAXIMUM(t) ((t) (~ (t) 0 - _TYPE_MINIMUM (t)))
 
 #ifndef HOST_NAME_MAX
-#define HOST_NAME_MAX 64
+#define HOST_NAME_MAX 255
+#endif
+
+/*
+ * Some older systems seem not to have MAXHOSTNAMELEN
+ * defined.
+ */
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN HOST_NAME_MAX
 #endif
 
 #ifndef UINT16_MAX
@@ -450,9 +453,6 @@ typedef int bool;
 #endif
 #endif
 
-#ifdef HAVE_SYS_PARAM_H
-#include <sys/param.h>
-#endif
 
 #ifndef MIN
 #define MIN(a,b) ((a)<(b)?(a):(b))
@@ -462,11 +462,38 @@ typedef int bool;
 #define MAX(a,b) ((a)>(b)?(a):(b))
 #endif
 
+#if !defined(HAVE_VOLATILE)
+#define volatile
+#endif
+
+/**
+  this is a warning hack. The idea is to use this everywhere that we
+  get the "discarding const" warning from gcc. That doesn't actually
+  fix the problem of course, but it means that when we do get to
+  cleaning them up we can do it by searching the code for
+  discard_const.
+
+  It also means that other error types aren't as swamped by the noise
+  of hundreds of const warnings, so we are more likely to notice when
+  we get new errors.
+
+  Please only add more uses of this macro when you find it
+  _really_ hard to fix const warnings. Our aim is to eventually use
+  this function in only a very few places.
+
+  Also, please call this via the discard_const_p() macro interface, as that
+  makes the return type safe.
+*/
+#define discard_const(ptr) ((void *)((intptr_t)(ptr)))
+
+/** Type-safe version of discard_const */
+#define discard_const_p(type, ptr) ((type *)discard_const(ptr))
+
 #ifndef __STRING
 #define __STRING(x)    #x
 #endif
 
-#ifndef _STRINGSTRING
+#ifndef __STRINGSTRING
 #define __STRINGSTRING(x) __STRING(x)
 #endif
 
@@ -511,4 +538,12 @@ typedef int bool;
 #undef HAVE_MMAP
 #endif
 
+#ifdef __COMPAR_FN_T
+#define QSORT_CAST (__compar_fn_t)
+#endif
+
+#ifndef QSORT_CAST
+#define QSORT_CAST (int (*)(const void *, const void *))
+#endif
+
 #endif /* _LIBREPLACE_REPLACE_H */
diff --git a/ctdb/lib/replace/system/capability.h b/ctdb/lib/replace/system/capability.h
index 4fe7c8d51b..a7b78f0275 100644
--- a/ctdb/lib/replace/system/capability.h
+++ b/ctdb/lib/replace/system/capability.h
@@ -27,14 +27,25 @@
 
 #ifdef HAVE_SYS_CAPABILITY_H
 
-#if defined(BROKEN_REDHAT_7_SYSTEM_HEADERS) && !defined(_I386_STATFS_H)
+#if defined(BROKEN_REDHAT_7_SYSTEM_HEADERS) && !defined(_I386_STATFS_H) && !defined(_PPC_STATFS_H)
 #define _I386_STATFS_H
+#define _PPC_STATFS_H
 #define BROKEN_REDHAT_7_STATFS_WORKAROUND
 #endif
 
+#if defined(BROKEN_RHEL5_SYS_CAP_HEADER) && !defined(_LINUX_TYPES_H)
+#define BROKEN_RHEL5_SYS_CAP_HEADER_WORKAROUND
+#endif
+
 #include <sys/capability.h>
 
+#ifdef BROKEN_RHEL5_SYS_CAP_HEADER_WORKAROUND
+#undef _LINUX_TYPES_H
+#undef BROKEN_RHEL5_SYS_CAP_HEADER_WORKAROUND
+#endif
+
 #ifdef BROKEN_REDHAT_7_STATFS_WORKAROUND
+#undef _PPC_STATFS_H
 #undef _I386_STATFS_H
 #undef BROKEN_REDHAT_7_STATFS_WORKAROUND
 #endif
diff --git a/ctdb/lib/replace/system/config.m4 b/ctdb/lib/replace/system/config.m4
index 74278787e7..799187af7d 100644
--- a/ctdb/lib/replace/system/config.m4
+++ b/ctdb/lib/replace/system/config.m4
@@ -16,8 +16,80 @@ AC_HEADER_SYS_WAIT
 # capability
 AC_CHECK_HEADERS(sys/capability.h)
 
+case "$host_os" in
+*linux*)
+AC_CACHE_CHECK([for broken RedHat 7.2 system header files],samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS,[
+AC_TRY_COMPILE([
+	#ifdef HAVE_SYS_VFS_H
+	#include <sys/vfs.h>
+	#endif
+	#ifdef HAVE_SYS_CAPABILITY_H
+	#include <sys/capability.h>
+	#endif
+	],[
+	int i;
+	],
+	samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS=no,
+	samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS=yes
+)])
+if test x"$samba_cv_BROKEN_REDHAT_7_SYSTEM_HEADERS" = x"yes"; then
+	AC_DEFINE(BROKEN_REDHAT_7_SYSTEM_HEADERS,1,[Broken RedHat 7.2 system header files])
+fi
+
+AC_CACHE_CHECK([for broken RHEL5 sys/capability.h],samba_cv_BROKEN_RHEL5_SYS_CAP_HEADER,[
+AC_TRY_COMPILE([
+	#ifdef HAVE_SYS_CAPABILITY_H
+	#include <sys/capability.h>
+	#endif
+	#include <linux/types.h>
+	],[
+	__s8 i;
+	],
+	samba_cv_BROKEN_RHEL5_SYS_CAP_HEADER=no,
+	samba_cv_BROKEN_RHEL5_SYS_CAP_HEADER=yes
+)])
+if test x"$samba_cv_BROKEN_RHEL5_SYS_CAP_HEADER" = x"yes"; then
+	AC_DEFINE(BROKEN_RHEL5_SYS_CAP_HEADER,1,[Broken RHEL5 sys/capability.h])
+fi
+;;
+esac
+
 # passwd
 AC_CHECK_HEADERS(grp.h sys/id.h compat.h shadow.h sys/priv.h pwd.h sys/security.h)
+AC_CHECK_FUNCS(getpwnam_r getpwuid_r getpwent_r)
+AC_HAVE_DECL(getpwent_r, [
+	#include <unistd.h>
+	#include <pwd.h>
+	])
+AC_VERIFY_C_PROTOTYPE([struct passwd *getpwent_r(struct passwd *src, char *buf, int buflen)],
+	[
+	#ifndef HAVE_GETPWENT_R_DECL
+	#error missing getpwent_r prototype
+	#endif
+	return NULL;
+	],[
+	AC_DEFINE(SOLARIS_GETPWENT_R, 1, [getpwent_r solaris function prototype])
+	],[],[
+	#include <unistd.h>
+	#include <pwd.h>
+	])
+AC_CHECK_FUNCS(getgrnam_r getgrgid_r getgrent_r)
+AC_HAVE_DECL(getgrent_r, [
+	#include <unistd.h>
+	#include <grp.h>
+	])
+AC_VERIFY_C_PROTOTYPE([struct group *getgrent_r(struct group *src, char *buf, int buflen)],
+	[
+	#ifndef HAVE_GETGRENT_R_DECL
+	#error missing getgrent_r prototype
+	#endif
+	return NULL;
+	],[
+	AC_DEFINE(SOLARIS_GETGRENT_R, 1, [getgrent_r solaris function prototype])
+	],[],[
+	#include <unistd.h>
+	#include <grp.h>
+	])
 
 # locale
 AC_CHECK_HEADERS(ctype.h locale.h)
diff --git a/ctdb/lib/replace/system/network.h b/ctdb/lib/replace/system/network.h
index 13d95a8ba7..e2fad5f686 100644
--- a/ctdb/lib/replace/system/network.h
+++ b/ctdb/lib/replace/system/network.h
@@ -6,6 +6,7 @@
    networking system include wrappers
 
    Copyright (C) Andrew Tridgell 2004
+   Copyright (C) Jelmer Vernooij 2007
    
      ** NOTE! The following LGPL license applies to the replace
      ** library. This does NOT imply that all of Samba is released
@@ -78,32 +79,135 @@
 #include <sys/ioctl.h>
 #endif
 
-#ifdef SOCKET_WRAPPER
-#ifndef SOCKET_WRAPPER_NOT_REPLACE
-#define SOCKET_WRAPPER_REPLACE
+#ifdef REPLACE_INET_NTOA
+/* define is in "replace.h" */
+char *rep_inet_ntoa(struct in_addr ip);
 #endif
-#include "lib/socket_wrapper/socket_wrapper.h"
+
+#ifndef HAVE_INET_PTON
+/* define is in "replace.h" */
+int rep_inet_pton(int af, const char *src, void *dst);
 #endif
 
-#ifdef REPLACE_INET_NTOA
-char *rep_inet_ntoa(struct in_addr ip);
-#define inet_ntoa rep_inet_ntoa
+#ifndef HAVE_INET_NTOP
+/* define is in "replace.h" */
+const char *rep_inet_ntop(int af, const void *src, char *dst, socklen_t size);
+#endif
+
+#ifdef HAVE_IFADDRS_H
+#include <ifaddrs.h>
+#endif
+
+#ifndef HAVE_STRUCT_IFADDRS
+struct ifaddrs {
+	struct ifaddrs   *ifa_next;         /* Pointer to next struct */
+	char             *ifa_name;         /* Interface name */
+	unsigned int     ifa_flags;         /* Interface flags */
+	struct sockaddr  *ifa_addr;         /* Interface address */
+	struct sockaddr  *ifa_netmask;      /* Interface netmask */
+#undef ifa_dstaddr
+	struct sockaddr  *ifa_dstaddr;      /* P2P interface destination */
+	void             *ifa_data;         /* Address specific data */
+};
+#endif
+
+#ifndef HAVE_GETIFADDRS
+int rep_getifaddrs(struct ifaddrs **);
+#endif
+
+#ifndef HAVE_FREEIFADDRS
+void rep_freeifaddrs(struct ifaddrs *);
 #endif
 
 /*
- * glibc on linux doesn't seem to have MSG_WAITALL
- * defined. I think the kernel has it though..
+ * Some systems have getaddrinfo but not the
+ * defines needed to use it.
  */
-#ifndef MSG_WAITALL
-#define MSG_WAITALL 0
+
+/* Various macros that ought to be in <netdb.h>, but might not be */
+
+#ifndef EAI_FAIL
+#define EAI_BADFLAGS	(-1)
+#define EAI_NONAME	(-2)
+#define EAI_AGAIN	(-3)
+#define EAI_FAIL	(-4)
+#define EAI_FAMILY	(-6)
+#define EAI_SOCKTYPE	(-7)
+#define EAI_SERVICE	(-8)
+#define EAI_MEMORY	(-10)
+#define EAI_SYSTEM	(-11)
+#endif   /* !EAI_FAIL */
+
+#ifndef AI_PASSIVE
+#define AI_PASSIVE	0x0001
+#endif
+
+#ifndef AI_CANONNAME
+#define AI_CANONNAME	0x0002
+#endif
+
+#ifndef AI_NUMERICHOST
+/*
+ * some platforms don't support AI_NUMERICHOST; define as zero if using
+ * the system version of getaddrinfo...
+ */
+#if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
+#define AI_NUMERICHOST	0
+#else
+#define AI_NUMERICHOST	0x0004
+#endif
+#endif
+
+#ifndef AI_ADDRCONFIG
+#define AI_ADDRCONFIG	0x0020
 #endif
 
+#ifndef AI_NUMERICSERV
 /*
- * Some older systems seem not to have MAXHOSTNAMELEN
- * defined.
+ * logic copied from AI_NUMERICHOST
  */
-#ifndef MAXHOSTNAMELEN
-#define MAXHOSTNAMELEN 254
+#if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
+#define AI_NUMERICSERV	0
+#else
+#define AI_NUMERICSERV	0x0400
+#endif
+#endif
+
+#ifndef NI_NUMERICHOST
+#define NI_NUMERICHOST	1
+#endif
+
+#ifndef NI_NUMERICSERV
+#define NI_NUMERICSERV	2
+#endif
+
+#ifndef NI_NOFQDN
+#define NI_NOFQDN	4
+#endif
+
+#ifndef NI_NAMEREQD
+#define NI_NAMEREQD 	8
+#endif
+
+#ifndef NI_DGRAM
+#define NI_DGRAM	16
+#endif
+
+
+#ifndef NI_MAXHOST
+#define NI_MAXHOST	1025
+#endif
+
+#ifndef NI_MAXSERV
+#define NI_MAXSERV	32
+#endif
+
+/*
+ * glibc on linux doesn't seem to have MSG_WAITALL
+ * defined. I think the kernel has it though..
+ */
+#ifndef MSG_WAITALL
+#define MSG_WAITALL 0
 #endif
 
 #ifndef INADDR_LOOPBACK
@@ -114,4 +218,80 @@ char *rep_inet_ntoa(struct in_addr ip);
 #define INADDR_NONE 0xffffffff
 #endif
 
+#ifndef EAFNOSUPPORT
+#define EAFNOSUPPORT EINVAL
+#endif
+
+#ifndef INET_ADDRSTRLEN
+#define INET_ADDRSTRLEN 16
+#endif
+
+#ifndef INET6_ADDRSTRLEN
+#define INET6_ADDRSTRLEN 46
+#endif
+
+#ifndef HOST_NAME_MAX
+#define HOST_NAME_MAX 256
+#endif
+
+#ifndef HAVE_SOCKLEN_T
+#define HAVE_SOCKLEN_T
+typedef int socklen_t;
+#endif
+
+#ifndef HAVE_SA_FAMILY_T
+#define HAVE_SA_FAMILY_T
+typedef unsigned short int sa_family_t;
+#endif
+
+#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
+#define HAVE_STRUCT_SOCKADDR_STORAGE
+#ifdef HAVE_STRUCT_SOCKADDR_IN6
+#define sockaddr_storage sockaddr_in6
+#define ss_family sin6_family
+#define HAVE_SS_FAMILY 1
+#else
+#define sockaddr_storage sockaddr_in
+#define ss_family sin_family
+#define HAVE_SS_FAMILY 1
+#endif
+#endif
+
+#ifndef HAVE_SS_FAMILY
+#ifdef HAVE___SS_FAMILY
+#define ss_family __ss_family
+#define HAVE_SS_FAMILY 1
+#endif
+#endif
+
+#ifndef HAVE_STRUCT_ADDRINFO
+#define HAVE_STRUCT_ADDRINFO
+struct addrinfo {
+	int			ai_flags;
+	int			ai_family;
+	int			ai_socktype;
+	int			ai_protocol;
+	socklen_t		ai_addrlen;
+	struct sockaddr 	*ai_addr;
+	char			*ai_canonname;
+	struct addrinfo		*ai_next;
+};
+#endif   /* HAVE_STRUCT_ADDRINFO */
+
+#if !defined(HAVE_GETADDRINFO)
+#include "getaddrinfo.h"
+#endif
+
+/* Needed for some systems that don't define it (Solaris). */
+#ifndef ifr_netmask
+#define ifr_netmask ifr_addrs
+#endif
+
+#ifdef SOCKET_WRAPPER
+#ifndef SOCKET_WRAPPER_NOT_REPLACE
+#define SOCKET_WRAPPER_REPLACE
+#endif
+#include "lib/socket_wrapper/socket_wrapper.h"
+#endif
+
 #endif
diff --git a/ctdb/lib/replace/system/passwd.h b/ctdb/lib/replace/system/passwd.h
index 4e858fc89c..36fca7b4f8 100644
--- a/ctdb/lib/replace/system/passwd.h
+++ b/ctdb/lib/replace/system/passwd.h
@@ -27,6 +27,9 @@
 
 */
 
+/* this needs to be included before nss_wrapper.h on some systems */
+#include <unistd.h>
+
 #ifdef HAVE_PWD_H
 #include <pwd.h>
 #endif
@@ -65,7 +68,8 @@
 #endif
 
 #ifdef REPLACE_GETPASS
-#define getpass(prompt) getsmbpass((prompt))
+#define getpass(prompt) rep_getpass(prompt)
+char *rep_getpass(const char *prompt);
 #endif
 
 #ifndef NGROUPS_MAX
@@ -92,4 +96,11 @@
 #define ULTRIX_AUTH 1
 #endif
 
+#ifdef NSS_WRAPPER
+#ifndef NSS_WRAPPER_NOT_REPLACE
+#define NSS_WRAPPER_REPLACE
+#endif
+#include "lib/nss_wrapper/nss_wrapper.h"
+#endif
+
 #endif
diff --git a/ctdb/lib/replace/system/time.h b/ctdb/lib/replace/system/time.h
index 6bbb6b15bb..036812ab8f 100644
--- a/ctdb/lib/replace/system/time.h
+++ b/ctdb/lib/replace/system/time.h
@@ -41,4 +41,14 @@
 #include <utime.h>
 #endif
 
+#ifndef HAVE_MKTIME
+/* define is in "replace.h" */
+time_t rep_mktime(struct tm *t);
+#endif
+
+#ifndef HAVE_TIMEGM
+/* define is in "replace.h" */
+time_t rep_timegm(struct tm *tm);
+#endif
+
 #endif
diff --git a/ctdb/lib/replace/system/wait.h b/ctdb/lib/replace/system/wait.h
index de94cf09d5..5784b1ae92 100644
--- a/ctdb/lib/replace/system/wait.h
+++ b/ctdb/lib/replace/system/wait.h
@@ -48,4 +48,8 @@
 #define SA_RESETHAND SA_ONESHOT
 #endif
 
+#if !defined(HAVE_SIG_ATOMIC_T_TYPE)
+typedef int sig_atomic_t;
+#endif
+
 #endif