[PATCH v3 2/5] util: add virFirewallDPolicyExists()

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Signed-off-by: Eric Garver <eric@xxxxxxxxxxx>
---
 src/libvirt_private.syms |  1 +
 src/util/virfirewalld.c  | 31 +++++++++++++++++++++++++++++++
 src/util/virfirewalld.h  |  1 +
 3 files changed, 33 insertions(+)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 32c8bdeb23ee..92b6062fabda 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -2375,6 +2375,7 @@ virFirewallDGetVersion;
 virFirewallDGetZones;
 virFirewallDInterfaceSetZone;
 virFirewallDIsRegistered;
+virFirewallDPolicyExists;
 virFirewallDSynchronize;
 virFirewallDZoneExists;
 
diff --git a/src/util/virfirewalld.c b/src/util/virfirewalld.c
index 0912508dbc45..ad879164c3a8 100644
--- a/src/util/virfirewalld.c
+++ b/src/util/virfirewalld.c
@@ -296,6 +296,37 @@ virFirewallDZoneExists(const char *match)
 }
 
 
+/**
+ * virFirewallDPolicyExists:
+ * @match: name of policy to look for
+ *
+ * Returns true if the requested policy exists, or false if it doesn't exist
+ */
+bool
+virFirewallDPolicyExists(const char *match)
+{
+    size_t npolicies = 0, i;
+    char **policies = NULL;
+    bool result = false;
+
+    if (virFirewallDGetPolicies(&policies, &npolicies) < 0)
+        goto cleanup;
+
+    for (i = 0; i < npolicies; i++) {
+        if (STREQ_NULLABLE(policies[i], match))
+            result = true;
+    }
+
+ cleanup:
+    VIR_DEBUG("Requested policy '%s' %s exist",
+              match, result ? "does" : "doesn't");
+    for (i = 0; i < npolicies; i++)
+       VIR_FREE(policies[i]);
+    VIR_FREE(policies);
+    return result;
+}
+
+
 /**
  * virFirewallDApplyRule:
  * @layer:        which layer to apply the rule to
diff --git a/src/util/virfirewalld.h b/src/util/virfirewalld.h
index ef05896e2b8b..fa4c9e702ccb 100644
--- a/src/util/virfirewalld.h
+++ b/src/util/virfirewalld.h
@@ -35,6 +35,7 @@ int virFirewallDIsRegistered(void);
 int virFirewallDGetZones(char ***zones, size_t *nzones);
 int virFirewallDGetPolicies(char ***policies, size_t *npolicies);
 bool virFirewallDZoneExists(const char *match);
+bool virFirewallDPolicyExists(const char *match);
 int virFirewallDApplyRule(virFirewallLayer layer,
                           char **args, size_t argsLen,
                           bool ignoreErrors,
-- 
2.35.3




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