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[libvirt] [PATCH 7/7] tests: fix dry run handling in network firewall test



The networkxml2firewalltest sets virCommand to dry run mode but doesn't
provide a callback to fill in stdout/stderr. As a result when the
firewall code queries rules it gets a NULL output and so never triggers
the callback to process output.

We only need to return an empty string to make the firewall code work
and thus trigger adding of the libvirt private chains to the builtin
chains.

Signed-off-by: Daniel P. Berrangé <berrange redhat com>
---
 .../nat-default-linux.args                    | 48 +++++++++++++++++++
 .../nat-ipv6-linux.args                       | 48 +++++++++++++++++++
 .../nat-many-ips-linux.args                   | 48 +++++++++++++++++++
 .../nat-no-dhcp-linux.args                    | 48 +++++++++++++++++++
 .../nat-tftp-linux.args                       | 48 +++++++++++++++++++
 .../route-default-linux.args                  | 48 +++++++++++++++++++
 tests/networkxml2firewalltest.c               | 16 ++++++-
 7 files changed, 303 insertions(+), 1 deletion(-)

diff --git a/tests/networkxml2firewalldata/nat-default-linux.args b/tests/networkxml2firewalldata/nat-default-linux.args
index 69995181ad..e7d71817c7 100644
--- a/tests/networkxml2firewalldata/nat-default-linux.args
+++ b/tests/networkxml2firewalldata/nat-default-linux.args
@@ -72,6 +72,54 @@ ip6tables \
 --list POSTROUTING
 iptables \
 --table filter \
+--insert INPUT \
+--jump INP_libvirt
+iptables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+iptables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+ip6tables \
+--table filter \
+--insert INPUT \
+--jump INP_libvirt
+ip6tables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+ip6tables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+iptables \
+--table filter \
 --insert INP_libvirt \
 --in-interface virbr0 \
 --protocol tcp \
diff --git a/tests/networkxml2firewalldata/nat-ipv6-linux.args b/tests/networkxml2firewalldata/nat-ipv6-linux.args
index f93d8face2..620ebb8d14 100644
--- a/tests/networkxml2firewalldata/nat-ipv6-linux.args
+++ b/tests/networkxml2firewalldata/nat-ipv6-linux.args
@@ -72,6 +72,54 @@ ip6tables \
 --list POSTROUTING
 iptables \
 --table filter \
+--insert INPUT \
+--jump INP_libvirt
+iptables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+iptables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+ip6tables \
+--table filter \
+--insert INPUT \
+--jump INP_libvirt
+ip6tables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+ip6tables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+iptables \
+--table filter \
 --insert INP_libvirt \
 --in-interface virbr0 \
 --protocol tcp \
diff --git a/tests/networkxml2firewalldata/nat-many-ips-linux.args b/tests/networkxml2firewalldata/nat-many-ips-linux.args
index faae4b881c..7c378b8c7e 100644
--- a/tests/networkxml2firewalldata/nat-many-ips-linux.args
+++ b/tests/networkxml2firewalldata/nat-many-ips-linux.args
@@ -72,6 +72,54 @@ ip6tables \
 --list POSTROUTING
 iptables \
 --table filter \
+--insert INPUT \
+--jump INP_libvirt
+iptables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+iptables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+ip6tables \
+--table filter \
+--insert INPUT \
+--jump INP_libvirt
+ip6tables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+ip6tables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+iptables \
+--table filter \
 --insert INP_libvirt \
 --in-interface virbr0 \
 --protocol tcp \
diff --git a/tests/networkxml2firewalldata/nat-no-dhcp-linux.args b/tests/networkxml2firewalldata/nat-no-dhcp-linux.args
index cb0d908506..afa8c3a0ca 100644
--- a/tests/networkxml2firewalldata/nat-no-dhcp-linux.args
+++ b/tests/networkxml2firewalldata/nat-no-dhcp-linux.args
@@ -72,6 +72,54 @@ ip6tables \
 --list POSTROUTING
 iptables \
 --table filter \
+--insert INPUT \
+--jump INP_libvirt
+iptables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+iptables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+ip6tables \
+--table filter \
+--insert INPUT \
+--jump INP_libvirt
+ip6tables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+ip6tables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+iptables \
+--table filter \
 --insert INP_libvirt \
 --in-interface virbr0 \
 --protocol tcp \
diff --git a/tests/networkxml2firewalldata/nat-tftp-linux.args b/tests/networkxml2firewalldata/nat-tftp-linux.args
index 1243bd1c2d..a45ba545c2 100644
--- a/tests/networkxml2firewalldata/nat-tftp-linux.args
+++ b/tests/networkxml2firewalldata/nat-tftp-linux.args
@@ -72,6 +72,54 @@ ip6tables \
 --list POSTROUTING
 iptables \
 --table filter \
+--insert INPUT \
+--jump INP_libvirt
+iptables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+iptables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+ip6tables \
+--table filter \
+--insert INPUT \
+--jump INP_libvirt
+ip6tables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+ip6tables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+iptables \
+--table filter \
 --insert INP_libvirt \
 --in-interface virbr0 \
 --protocol tcp \
diff --git a/tests/networkxml2firewalldata/route-default-linux.args b/tests/networkxml2firewalldata/route-default-linux.args
index 624e589aae..859a342e7d 100644
--- a/tests/networkxml2firewalldata/route-default-linux.args
+++ b/tests/networkxml2firewalldata/route-default-linux.args
@@ -72,6 +72,54 @@ ip6tables \
 --list POSTROUTING
 iptables \
 --table filter \
+--insert INPUT \
+--jump INP_libvirt
+iptables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+iptables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+iptables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+ip6tables \
+--table filter \
+--insert INPUT \
+--jump INP_libvirt
+ip6tables \
+--table filter \
+--insert OUTPUT \
+--jump OUT_libvirt
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_out
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_in
+ip6tables \
+--table filter \
+--insert FORWARD \
+--jump FWD_libvirt_cross
+ip6tables \
+--table nat \
+--insert POSTROUTING \
+--jump PRT_libvirt
+iptables \
+--table filter \
 --insert INP_libvirt \
 --in-interface virbr0 \
 --protocol tcp \
diff --git a/tests/networkxml2firewalltest.c b/tests/networkxml2firewalltest.c
index 505ff0c740..5e3d8906c5 100644
--- a/tests/networkxml2firewalltest.c
+++ b/tests/networkxml2firewalltest.c
@@ -44,6 +44,20 @@ static const char *abs_top_srcdir;
 #  error "test case not ported to this platform"
 # endif
 
+static void
+testCommandDryRun(const char *const*args ATTRIBUTE_UNUSED,
+                  const char *const*env ATTRIBUTE_UNUSED,
+                  const char *input ATTRIBUTE_UNUSED,
+                  char **output,
+                  char **error,
+                  int *status,
+                  void *opaque ATTRIBUTE_UNUSED)
+{
+    *status = 0;
+    ignore_value(VIR_STRDUP_QUIET(*output, ""));
+    ignore_value(VIR_STRDUP_QUIET(*error, ""));
+}
+
 static int testCompareXMLToArgvFiles(const char *xml,
                                      const char *cmdline)
 {
@@ -53,7 +67,7 @@ static int testCompareXMLToArgvFiles(const char *xml,
     virNetworkDefPtr def = NULL;
     int ret = -1;
 
-    virCommandSetDryRun(&buf, NULL, NULL);
+    virCommandSetDryRun(&buf, testCommandDryRun, NULL);
 
     if (!(def = virNetworkDefParseFile(xml)))
         goto cleanup;
-- 
2.19.1


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