[libvirt] [PATCH] nwfilter: also purge ip(6)tables rules before detecting IP address
Rather than only cleaning any remaining ebtables rules, also clean those
applied to iptables and ip6tables when detecting the IP address of an
interface. Previous applied iptables rules may hinder DHCP packets.
Signed-off-by: Stefan Berger <stefanb(a)us.ibm.com>
---
src/nwfilter/nwfilter_ebiptables_driver.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
Index: libvirt-acl/src/nwfilter/nwfilter_ebiptables_driver.c
===================================================================
--- libvirt-acl.orig/src/nwfilter/nwfilter_ebiptables_driver.c
+++ libvirt-acl/src/nwfilter/nwfilter_ebiptables_driver.c
@@ -117,6 +117,7 @@ static int ebtablesRemoveBasicRules(cons
static int ebiptablesDriverInit(void);
static void ebiptablesDriverShutdown(void);
static int ebtablesCleanAll(const char *ifname);
+static int ebiptablesAllTeardown(const char *ifname);
static virMutex execCLIMutex;
@@ -2942,7 +2943,7 @@ ebtablesApplyBasicRules(const char *ifna
virFormatMacAddr(macaddr, macaddr_str);
- ebtablesCleanAll(ifname);
+ ebiptablesAllTeardown(ifname);
ebtablesCreateTmpRootChain(&buf, 1, ifname, 1);
@@ -3041,7 +3042,7 @@ ebtablesApplyDHCPOnlyRules(const char *i
virFormatMacAddr(macaddr, macaddr_str);
- ebtablesCleanAll(ifname);
+ ebiptablesAllTeardown(ifname);
ebtablesCreateTmpRootChain(&buf, 1, ifname, 1);
ebtablesCreateTmpRootChain(&buf, 0, ifname, 1);
@@ -3143,7 +3144,7 @@ ebtablesApplyDropAllRules(const char *if
return 1;
}
- ebtablesCleanAll(ifname);
+ ebiptablesAllTeardown(ifname);
ebtablesCreateTmpRootChain(&buf, 1, ifname, 1);
ebtablesCreateTmpRootChain(&buf, 0, ifname, 1);