The optional unix epoch timestamps parameters `since` and `until` are 
introduced in order to filter
firewall logs files.

Since the `dump_logfile` function is used in multiple places, not neccessarily 
following the firewall
log output format, a specialized function `dump_fw_logfile` is introduced in 
the PVE::Tools,
with fallback to the previous `dump_logfile` function if none of the parameters 
is present.

This patch depends on the corresponding patch in the pve-common repository.

Signed-off-by: Christian Ebner <c.eb...@proxmox.com>
---
 src/PVE/API2/Firewall/Host.pm | 15 ++++++++++++++-
 src/PVE/API2/Firewall/VM.pm   | 18 +++++++++++++++---
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/src/PVE/API2/Firewall/Host.pm b/src/PVE/API2/Firewall/Host.pm
index dfeccd0..8470f7f 100644
--- a/src/PVE/API2/Firewall/Host.pm
+++ b/src/PVE/API2/Firewall/Host.pm
@@ -172,6 +172,18 @@ __PACKAGE__->register_method({
                minimum => 0,
                optional => 1,
            },
+           since => {
+               type => 'integer',
+               minimum => 0,
+               description => "Display log since this UNIX epoch.",
+               optional => 1,
+           },
+           until => {
+               type => 'integer',
+               minimum => 0,
+               description => "Display log until this UNIX epoch.",
+               optional => 1,
+           },
        },
     },
     returns => {
@@ -197,7 +209,8 @@ __PACKAGE__->register_method({
        my $user = $rpcenv->get_user();
        my $node = $param->{node};
 
-       my ($count, $lines) = 
PVE::Tools::dump_logfile("/var/log/pve-firewall.log", $param->{start}, 
$param->{limit});
+       my($count, $lines) = 
PVE::Tools::dump_fw_logfile("/var/log/pve-firewall.log",
+               $param->{start}, $param->{limit}, undef, $param->{since}, 
$param->{until});
 
        $rpcenv->set_result_attrib('total', $count);
 
diff --git a/src/PVE/API2/Firewall/VM.pm b/src/PVE/API2/Firewall/VM.pm
index 48b8c5f..a0c0f94 100644
--- a/src/PVE/API2/Firewall/VM.pm
+++ b/src/PVE/API2/Firewall/VM.pm
@@ -176,6 +176,18 @@ sub register_handlers {
                    minimum => 0,
                    optional => 1,
                },
+               since => {
+                   type => 'integer',
+                   minimum => 0,
+                   description => "Display log since this UNIX epoch.",
+                   optional => 1,
+               },
+               until => {
+                   type => 'integer',
+                   minimum => 0,
+                   description => "Display log until this UNIX epoch.",
+                   optional => 1,
+               },
            },
        },
        returns => {
@@ -201,9 +213,9 @@ sub register_handlers {
            my $user = $rpcenv->get_user();
            my $vmid = $param->{vmid};
 
-           my ($count, $lines) = 
PVE::Tools::dump_logfile("/var/log/pve-firewall.log",
-                                                          $param->{start}, 
$param->{limit},
-                                                          "^$vmid ");
+           my ($count, $lines) = 
PVE::Tools::dump_fw_logfile("/var/log/pve-firewall.log",
+               $param->{start}, $param->{limit}, "^$vmid ", $param->{since},
+               $param->{until});
 
            $rpcenv->set_result_attrib('total', $count);
 
-- 
2.30.2



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