Accepting request 143411 from Virtualization

- update hv_set_ifconfig, use single index for static ipv4/ipv6 [bnc#790469]

- update hv_set_ifconfig further to work with our ifcfg [bnc#790469]

- update hv_get_dhcp_info to work with our ifcfg [bnc#790469]
- remove cat usage from hv_get_dns_info
- add quoting to hv_set_ifconfig to make it more robust

- remove code to build kmp, it was not enabled because the
  drivers are now in kernel since a long time. [bnc#676890]

- Netlink source address validation allows DoS [bnc#791605, CVE-2012-5532]
  bugfix for recvfrom check from bnc#761200

- check origin of netlink messages, use recvfrom() [bnc#761200, CVE-2012-2669]

OBS-URL: https://build.opensuse.org/request/show/143411
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/hyper-v?expand=0&rev=8

Module.supported

@@ -1,7 +0,0 @@
-drivers/staging/hv/hv_blkvsc external
-drivers/staging/hv/hv_netvsc external
-drivers/staging/hv/hv_storvsc external
-drivers/staging/hv/hv_timesource external
-drivers/staging/hv/hv_utils external
-drivers/staging/hv/hv_vmbus external
-

full-kernel-version.patch

@@ -1,60 +0,0 @@
-From: "K. Y. Srinivasan" <kys@microsoft.com>
-Subject: [PATCH 1/1] tools: hv: Return the full kernel version
-Date: Fri, 12 Oct 2012 16:40:10 -0700
-Message-Id: <1350085210-11108-1-git-send-email-kys@microsoft.com>
-
-Currently, we are returning the same string for both OSBuildNumber 
-and OSVersion keys. Return the full uts string for the OSBuild
-key since Windows does not impose any restrictions on this. 
-
-Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
-Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
-Reported-by: Claudio Latini <claudio.latini@live.com>
----
- tools/hv/hv_kvp_daemon.c |    9 ++++++---
- 1 files changed, 6 insertions(+), 3 deletions(-)
-
-diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
-index 5959aff..6c7bcb9 100644
---- a/tools/hv/hv_kvp_daemon.c
-+++ b/tools/hv/hv_kvp_daemon.c
-@@ -88,6 +88,7 @@ static char *os_major = "";
- static char *os_minor = "";
- static char *processor_arch;
- static char *os_build;
-+static char *os_version;
- static char *lic_version = "Unknown version";
- static struct utsname uts_buf;
- 
-@@ -453,7 +454,9 @@ void kvp_get_os_info(void)
- 	char	*p, buf[512];
- 
- 	uname(&uts_buf);
--	os_build = uts_buf.release;
-+	os_version = uts_buf.release;
-+	os_build = strdup(uts_buf.release);
-+
- 	os_name = uts_buf.sysname;
- 	processor_arch = uts_buf.machine;
- 
-@@ -462,7 +465,7 @@ void kvp_get_os_info(void)
- 	 * string to be of the form: x.y.z
- 	 * Strip additional information we may have.
- 	 */
--	p = strchr(os_build, '-');
-+	p = strchr(os_version, '-');
- 	if (p)
- 		*p = '\0';
- 
-@@ -1649,7 +1652,7 @@ int main(void)
- 			strcpy(key_name, "OSMinorVersion");
- 			break;
- 		case OSVersion:
--			strcpy(key_value, os_build);
-+			strcpy(key_value, os_version);
- 			strcpy(key_name, "OSVersion");
- 			break;
- 		case ProcessorArchitecture:
--- 
-1.7.4.1
-

hyper-v.changes

@@ -1,3 +1,32 @@
+-------------------------------------------------------------------
+Tue Nov 27 11:19:32 CET 2012 - ohering@suse.de
+
+- update hv_set_ifconfig, use single index for static ipv4/ipv6 [bnc#790469]
+
+-------------------------------------------------------------------
+Sun Nov 25 17:50:40 CET 2012 - ohering@suse.de
+
+- update hv_set_ifconfig further to work with our ifcfg [bnc#790469]
+
+-------------------------------------------------------------------
+Thu Nov 22 18:14:12 CET 2012 - ohering@suse.de
+
+- update hv_get_dhcp_info to work with our ifcfg [bnc#790469]
+- remove cat usage from hv_get_dns_info
+- add quoting to hv_set_ifconfig to make it more robust
+
+-------------------------------------------------------------------
+Mon Nov 12 17:18:25 CET 2012 - ohering@suse.de
+
+- remove code to build kmp, it was not enabled because the
+  drivers are now in kernel since a long time. [bnc#676890]
+
+-------------------------------------------------------------------
+Thu Nov  8 14:30:05 CET 2012 - ohering@suse.de
+
+- Netlink source address validation allows DoS [bnc#791605, CVE-2012-5532]
+  bugfix for recvfrom check from bnc#761200
+
 -------------------------------------------------------------------
 Fri Oct 26 17:13:40 CEST 2012 - ohering@suse.de
 
@@ -30,7 +59,7 @@ Tue Sep  4 14:55:38 CEST 2012 - ohering@suse.de
 -------------------------------------------------------------------
 Wed May 16 20:44:36 CEST 2012 - ohering@suse.de
 
-- check origin of netlink messages, use recvfrom() [bnc#761200]
+- check origin of netlink messages, use recvfrom() [bnc#761200, CVE-2012-2669]
 
 -------------------------------------------------------------------
 Wed May  2 12:13:03 CEST 2012 - ohering@suse.de

hyper-v.dummy_ko.c

@@ -1,15 +0,0 @@
-#include <linux/init.h>
-#include <linux/module.h>
-
-static int __init hv_suse_kmp_dummy_init(void)
-{
-	return 0;
-}
-
-static void __exit hv_suse_kmp_dummy_exit(void)
-{
-}
-
-module_init(hv_suse_kmp_dummy_init);
-module_exit(hv_suse_kmp_dummy_exit);
-MODULE_LICENSE("GPL");

hyper-v.spec

@@ -16,21 +16,9 @@
 #
 
 
-%define with_kmp 0
-%define with_modprobe 0
-%if %{with_kmp}
-%define with_drivers_in_kmp 0
-%endif
 %define hv_kvp_daemon hv_kvp_daemon
 
 Name:           hyper-v
-%if %{with_kmp}
-BuildRequires:  kernel-default-devel
-BuildRequires:  module-init-tools
-%ifarch %ix86
-BuildRequires:  kernel-pae-devel
-%endif
-%endif
 ExclusiveArch:  %ix86 x86_64
 PreReq:         %insserv_prereq
 Summary:        Microsoft Hyper-V tools
@@ -41,11 +29,6 @@ Supplements:    modalias(pci:v00001414d00005353sv*sd*bc*sc*i*)
 Url:            http://www.kernel.org
 Version:        4
 Release:        0
-Source:         Module.supported
-Source1:        hyperv_pvdrivers.conf
-Source2:        kmp_filelist
-Source3:        hyper-v.supplements.txt
-Source4:        hyper-v.dummy_ko.c
 Source5:        hyper-v.kvptest.ps1.txt
 Source9:        hyper-v.include.linux.hyperv.h
 Source10:       hyper-v.tools.hv.hv_kvp_daemon.c
@@ -53,44 +36,17 @@ Source11:       hyper-v.init.sh
 Source20:       hyper-v.tools.hv.hv_get_dhcp_info.sh
 Source21:       hyper-v.tools.hv.hv_get_dns_info.sh
 Source22:       hyper-v.tools.hv.hv_set_ifconfig.sh
-Patch0:         full-kernel-version.patch
-Patch1:         no-loopback.patch
 
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-%if %{with_kmp}
-%if %{with_drivers_in_kmp}
-%suse_kernel_module_package -n hyper-v um xen  -f kmp_filelist
-%else
-%suse_kernel_module_package -n hyper-v um xen  -f kmp_filelist -p hyper-v.supplements.txt
-%endif
-%endif
 
 %description
 This package contains the Microsoft Hyper-V tools.
 
-
-
-%if %{with_kmp}
-
-%package KMP
-
-Summary:        Microsoft Hyper-V drivers
-Group:          System/Kernel
-
-%description KMP
-This package contains the Microsoft Hyper-V drivers.
-
-
-
-%endif
-
 %prep
 %setup -Tc
 cp -avL %{S:5} kvptest.ps1.txt
 cp -vL %{S:9} %{hv_kvp_daemon}.h
 cp -vL %{S:10} %{hv_kvp_daemon}.c
-%patch0 -p3 
-%patch1 -p3 
 
 %build
 sed -i~ '/#include <linux.hyperv.h>/d' %{hv_kvp_daemon}.c
@@ -104,31 +60,8 @@ gcc \
 	-DCN_KVP_IDX=0x9 \
 	-DCN_KVP_VAL=0x1 \
 	-o %{hv_kvp_daemon}
-%if %{with_kmp}
-for flavor in %flavors_to_build; do
-%if %{with_drivers_in_kmp}
-    krel=$(make -s -C %{kernel_source $flavor} kernelrelease)
-    cp -a /lib/modules/$krel/source/drivers/staging/hv $flavor
-%else
-    rm -rfv $flavor
-    mkdir -p $flavor
-    cp %_sourcedir/hyper-v.dummy_ko.c $flavor/hyper-v.suse_kmp_dummy.c
-    cat > $flavor/Makefile <<-EOF
-obj-m += hyper-v.suse_kmp_dummy.o
-EOF
-%endif
-    cp %_sourcedir/Module.supported $flavor
-    make -C %{kernel_source $flavor} modules M=$PWD/$flavor
-done
-%endif
 
 %install
-%if %{with_kmp}
-export INSTALL_MOD_PATH=$RPM_BUILD_ROOT
-for flavor in %flavors_to_build; do
-    make -C %{kernel_source $flavor} modules_install M=$PWD/$flavor
-done
-%endif
 mkdir -p $RPM_BUILD_ROOT/usr/sbin
 install -m755 %{hv_kvp_daemon} $RPM_BUILD_ROOT/usr/sbin
 mkdir -p $RPM_BUILD_ROOT/usr/lib/%{name}/bin
@@ -139,20 +72,10 @@ chmod 755 $RPM_BUILD_ROOT/usr/lib/%{name}/bin/*
 mkdir -p $RPM_BUILD_ROOT/etc/init.d
 install -m755 %{S:11} $RPM_BUILD_ROOT/etc/init.d/%{hv_kvp_daemon}
 ln -sfvbn ../../etc/init.d/%{hv_kvp_daemon} $RPM_BUILD_ROOT/usr/sbin/rc%{hv_kvp_daemon}
-%if %{with_modprobe}
-mkdir -p $RPM_BUILD_ROOT/etc/modprobe.d
-install -m644 %SOURCE1 $RPM_BUILD_ROOT/etc/modprobe.d/hyperv_pvdrivers.conf
-%endif
 
 %files
 %defattr (-,root,root)
 %doc kvptest.ps1.txt
-%if %{with_modprobe}
-%if !%{with_kmp}
-%dir /etc/modprobe.d
-%config /etc/modprobe.d/hyperv_pvdrivers.conf
-%endif
-%endif
 /etc/init.d/%{hv_kvp_daemon}
 /usr/sbin/rc%{hv_kvp_daemon}
 /usr/sbin/%{hv_kvp_daemon}

hyper-v.supplements.txt

@@ -1,5 +0,0 @@
-# if built without drivers
-Supplements: modalias(kernel-default:dmi*:svn*MicrosoftCorporation*:pn*VirtualMachine*:rn*VirtualMachine*:) modalias(kernel-default:pci:v00001414d00005353sv*sd*bc*sc*i*)
-# hv drivers were enabled in the middle of the update cycle
-# Its Microsoft. It must be a mess. ...
-Requires: kernel-%1 >= 2.6.32.27

hyper-v.tools.hv.hv_get_dhcp_info.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# This example script retrieves the DHCP state of a given interface.
+# This script retrieves the DHCP state of a given interface.
 # In the interest of keeping the KVP daemon code free of distro specific
 # information; the kvp daemon code invokes this external script to gather
 # DHCP setting for the specific interface.
@@ -16,9 +16,9 @@
 # this script can be based on the Network Manager APIs for retrieving DHCP
 # information.
 
-if_file="/etc/sysconfig/network-scripts/ifcfg-"$1
+if_file="/etc/sysconfig/network/ifcfg-$1"
 
-dhcp=$(grep "dhcp" $if_file 2>/dev/null)
+dhcp=$(grep -- '^BOOTPROTO=.*dhcp' "$if_file" 2>/dev/null)
 
 if [ "$dhcp" != "" ];
 then

hyper-v.tools.hv.hv_get_dns_info.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# This example script parses /etc/resolv.conf to retrive DNS information.
+# This script parses /etc/resolv.conf to retrive DNS information.
 # In the interest of keeping the KVP daemon code free of distro specific
 # information; the kvp daemon code invokes this external script to gather
 # DNS information.
@@ -10,4 +10,7 @@
 # this script can be based on the Network Manager APIs for retrieving DNS
 # entries.
 
-cat /etc/resolv.conf 2>/dev/null | awk '/^nameserver/ { print $2 }'
+if test -r /etc/resolv.conf
+then
+	awk -- '/^nameserver/ { print $2 }' /etc/resolv.conf
+fi

hyper-v.tools.hv.hv_kvp_daemon.c

@@ -43,6 +43,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <dirent.h>
+#include <net/if.h>
 
 /*
  * KVP protocol: The user mode component first registers with the
@@ -88,6 +89,7 @@ static char *os_major = "";
 static char *os_minor = "";
 static char *processor_arch;
 static char *os_build;
+static char *os_version;
 static char *lic_version = "Unknown version";
 static struct utsname uts_buf;
 
@@ -453,7 +455,9 @@ void kvp_get_os_info(void)
 	char	*p, buf[512];
 
 	uname(&uts_buf);
-	os_build = uts_buf.release;
+	os_version = uts_buf.release;
+	os_build = strdup(uts_buf.release);
+
 	os_name = uts_buf.sysname;
 	processor_arch = uts_buf.machine;
 
@@ -462,7 +466,7 @@ void kvp_get_os_info(void)
 	 * string to be of the form: x.y.z
 	 * Strip additional information we may have.
 	 */
-	p = strchr(os_build, '-');
+	p = strchr(os_version, '-');
 	if (p)
 		*p = '\0';
 
@@ -879,7 +883,7 @@ static int kvp_process_ip_address(void *addrp,
 		addr_length = INET6_ADDRSTRLEN;
 	}
 
-	if ((length - *offset) < addr_length + 1)
+	if ((length - *offset) < addr_length + 2)
 		return HV_E_FAIL;
 	if (str == NULL) {
 		strcpy(buffer, "inet_ntop failed\n");
@@ -887,11 +891,13 @@ static int kvp_process_ip_address(void *addrp,
 	}
 	if (*offset == 0)
 		strcpy(buffer, tmp);
-	else
+	else {
+		strcat(buffer, ";");
 		strcat(buffer, tmp);
-	strcat(buffer, ";");
+	}
 
 	*offset += strlen(str) + 1;
+
 	return 0;
 }
 
@@ -953,7 +959,9 @@ kvp_get_ip_info(int family, char *if_name, int op,
 		 * supported address families; if not we gather info on
 		 * the specified address family.
 		 */
-		if ((family != 0) && (curp->ifa_addr->sa_family != family)) {
+		if ((((family != 0) &&
+			 (curp->ifa_addr->sa_family != family))) ||
+			 (curp->ifa_flags & IFF_LOOPBACK)) {
 			curp = curp->ifa_next;
 			continue;
 		}
@@ -1478,13 +1486,19 @@ int main(void)
 		len = recvfrom(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0,
 				addr_p, &addr_l);
 
-		if (len < 0 || addr.nl_pid) {
+		if (len < 0) {
 			syslog(LOG_ERR, "recvfrom failed; pid:%u error:%d %s",
 					addr.nl_pid, errno, strerror(errno));
 			close(fd);
 			return -1;
 		}
 
+		if (addr.nl_pid) {
+			syslog(LOG_WARNING, "Received packet from untrusted pid:%u",
+					addr.nl_pid);
+			continue;
+		}
+
 		incoming_msg = (struct nlmsghdr *)kvp_recv_buffer;
 		incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg);
 		hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;
@@ -1649,7 +1663,7 @@ int main(void)
 			strcpy(key_name, "OSMinorVersion");
 			break;
 		case OSVersion:
-			strcpy(key_value, os_build);
+			strcpy(key_value, os_version);
 			strcpy(key_name, "OSVersion");
 			break;
 		case ProcessorArchitecture:

hyper-v.tools.hv.hv_set_ifconfig.sh

@@ -41,43 +41,145 @@ then
 	: expect configuration datafile as first argument
 	exit 1
 fi
-#
+# send subshell output to syslog
 (
+f=/etc/sysconfig/network/scripts/functions
+if test -f ${f}
+then
+	. ${f}
+else
+	echo "MISSING ${f}"
+	exit 1
+fi
+# remove known config variables from environment 
+unset HWADDR
 unset DHCP
 unset IF_NAME
+unset ${!IPADDR*}
+unset ${!NETMASK*}
+unset ${!GATEWAY*}
+unset ${!IPV6ADDR*}
+unset ${!IPV6NETMASK*}
+unset ${!IPV6_DEFAULTGW*}
+unset ${!DNS*}
 . "$1"
+#
 if test -z "${IF_NAME}"
 then
 	echo "Missing IF_NAME= in ${cfg}"
 	exit 1
 fi
 #
-t=`mktemp`
+t_ifcfg=`mktemp`
-if test -z "${t}"
+t_ifroute=`mktemp`
-then
-	exit 1
-fi
-
 _exit() {
-	rm -f "${t}"
+	rm -f "${t_ifcfg}" "${t_ifroute}"
 }
 trap _exit EXIT
 #
-cat >> "${t}" <<_EOF_
+if test -z "${t_ifcfg}" || test -z "${t_ifroute}"
-# contents from $0 $*
-`cat "${cfg}"`
-#
-# additional options:
-STARTMODE=auto
-_EOF_
-
-if test "${DHCP}" = "yes"
 then
-	echo "BOOTPROTO=dhcp" >> ${t};
+	exit 1
+fi
+#
+# Create ifcfg-* file
+(
+	echo "STARTMODE=auto"
+	#
+	if test -n "${HWADDR}"
+	then
+		: # ignore HWADDR, it just repeats the existing MAC value
+	fi
+	#
+	if test "${DHCP}" = "yes"
+	then
+		echo "BOOTPROTO=dhcp"
+	fi
+	# single index for all ipv4 and ipv6 adresses in final ifcfg file
+	i=0
+	idx=""
+	# loop through all ipv4 adresses
+	for var in ${!IPADDR*}
+	do
+		index=${var#IPADDR}
+		pfx=
+		# find corresponding NETMASK variable
+		eval nm=\$NETMASK${index}
+		# if specified, calculate prefix
+		if test -n "${nm}"
+		then
+			pfx=`mask2pfxlen "${nm}" 2>/dev/null`
+		fi
+		# if not specified, force prefix
+		if test -z "${pfx}"
+		then
+			pfx="32"
+		fi
+		# construct actual value
+		eval val=\$IPADDR${index}
+		# write config variable
+		echo "IPADDR${idx}='${val}/${pfx}'"
+		idx="_$((++i))"
+	done
+	# loop through all ipv6 adresses
+	for var in ${!IPV6ADDR*}
+	do
+		index=${var#IPV6ADDR}
+		# find corresponding IPV6NETMASK variable
+		eval pfx=\$IPV6NETMASK${index}
+		# if not specified, force prefix
+		if test -z "${pfx}"
+		then
+			pfx=128
+		fi
+		# construct actual value
+		eval val=\$IPV6ADDR${index}
+		# write config variable
+		echo "IPADDR${idx}='${val}/${pfx}'"
+		idx="_$((++i))"
+	done
+
+) >> "${t_ifcfg}"
+
+# Create ifroute-* file
+(
+	if test -n "${GATEWAY}"
+	then
+		echo "default $GATEWAY - $IF_NAME"
+	fi
+	if test -n "${IPV6_DEFAULTGW}"
+	then
+		echo "default $IPV6_DEFAULTGW - $IF_NAME"
+	fi
+) >> "${t_ifroute}"
+# Only a single default gateway is supported
+unset GATEWAY IPV6_DEFAULTGW
+if test -n "${!GATEWAY*}${!IPV6_DEFAULTGW*}"
+then
+	echo "WARNING: multiple gateways not supported: ${!GATEWAY*} ${!IPV6_DEFAULTGW*}"
 fi
 
+# collect DNS info
+_DNS_=
+for var in ${!DNS*}
+do
+	eval val=\$${var}
+	if test -n "${_DNS_}"
+	then
+		_DNS_="${_DNS_} ${val}"
+	else
+		_DNS_=${val}
+	fi
+done
+#
 echo "$0: working on network interface ifcfg-${IF_NAME}"
-cp -b ${t} /etc/sysconfig/network/ifcfg-${IF_NAME}
+cp -fb ${t_ifcfg} "/etc/sysconfig/network/ifcfg-${IF_NAME}"
-ifdown ${IF_NAME} -o hotplug
+cp -fb ${t_ifroute} "/etc/sysconfig/network/ifroute-${IF_NAME}"
-ifup ${IF_NAME} -o hotplug
+if test -w /etc/sysconfig/network/config
+then
+	sed -i "s@^NETCONFIG_DNS_STATIC_SERVERS=.*@NETCONFIG_DNS_STATIC_SERVERS='$_DNS_'@"  /etc/sysconfig/network/config
+	netconfig update -m dns
+fi
+ifdown "${IF_NAME}"
+ifup "${IF_NAME}"
 ) 2>&1 | logger -t "${0##*/}[$PPID / $$]"

hyperv_pvdrivers.conf

@@ -1,5 +0,0 @@
-# Install HyperV paravirtualized drivers
-install ide_core  /sbin/modprobe hv_blkvsc 2>&1 ; /sbin/modprobe --ignore-install ide_core 
-
-install ata_piix  { /sbin/modprobe hv_blkvsc 2>&1 || /sbin/modprobe --ignore-install ata_piix; }
-

kmp_filelist

@@ -1,3 +0,0 @@
-%defattr (-,root,root)
-/lib/modules/%2-%1
-%config /etc/modprobe.d/hyperv_pvdrivers.conf

no-loopback.patch

@@ -1,67 +0,0 @@
-From: "K. Y. Srinivasan" <kys@microsoft.com>
-Subject: [PATCH 1/1] Tools: hv: Don't return loopback addresses
-Date: Fri, 12 Oct 2012 16:41:48 -0700
-Message-Id: <1350085308-11152-1-git-send-email-kys@microsoft.com>
-
-Don't return loopback addresses and further don't terminate
-the IP address strings with a semicolon. This is the current
-behavior of Windows guests.
-
-Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
-Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
-Reported-by: Claudio Latini <claudio.latini@live.com>
----
- tools/hv/hv_kvp_daemon.c |   13 +++++++++----
- 1 files changed, 9 insertions(+), 4 deletions(-)
-
-diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
-index 6c7bcb9..13c2a14 100644
---- a/tools/hv/hv_kvp_daemon.c
-+++ b/tools/hv/hv_kvp_daemon.c
-@@ -43,6 +43,7 @@
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <dirent.h>
-+#include <net/if.h>
- 
- /*
-  * KVP protocol: The user mode component first registers with the
-@@ -882,7 +883,7 @@ static int kvp_process_ip_address(void *addrp,
- 		addr_length = INET6_ADDRSTRLEN;
- 	}
- 
--	if ((length - *offset) < addr_length + 1)
-+	if ((length - *offset) < addr_length + 2)
- 		return HV_E_FAIL;
- 	if (str == NULL) {
- 		strcpy(buffer, "inet_ntop failed\n");
-@@ -890,11 +891,13 @@ static int kvp_process_ip_address(void *addrp,
- 	}
- 	if (*offset == 0)
- 		strcpy(buffer, tmp);
--	else
-+	else {
-+		strcat(buffer, ";");
- 		strcat(buffer, tmp);
--	strcat(buffer, ";");
-+	}
- 
- 	*offset += strlen(str) + 1;
-+
- 	return 0;
- }
- 
-@@ -956,7 +959,9 @@ kvp_get_ip_info(int family, char *if_name, int op,
- 		 * supported address families; if not we gather info on
- 		 * the specified address family.
- 		 */
--		if ((family != 0) && (curp->ifa_addr->sa_family != family)) {
-+		if ((((family != 0) &&
-+			 (curp->ifa_addr->sa_family != family))) ||
-+			 (curp->ifa_flags & IFF_LOOPBACK)) {
- 			curp = curp->ifa_next;
- 			continue;
- 		}
--- 
-1.7.4.1
-