Implement 'show log <token>'

Signed-off-by: Tom Eastep <teastep@shorewall.net>

Shorewall-lite/shorewall-lite

@@ -376,7 +376,7 @@ usage() # $1 = exit status
     echo "   show connections"
     echo "   show filters"
     echo "   show ip"
-    echo "   show [ -m ] log"
+    echo "   show [ -m ] log [<ip address>]"
     echo "   show [ -x ] mangle|nat|raw|routing"
     echo "   show policies"
     echo "   show tc [ device ]"

Shorewall/changelog.txt

@@ -27,6 +27,8 @@ Changes in Shorewall 4.4.9
 
 13) Don't create output chains for BPORT zones.
 
+14) Implement 'show log ip-addr' in /sbin/shorewall and /sbin/shorewall-lite/
+
 Changes in Shorewall 4.4.8
 
 1)  Correct handling of RATE LIMIT on NAT rules.

Shorewall/lib.cli

@@ -159,6 +159,15 @@ packet_log() # $1 = number of messages
     fi
 }
 
+search_log() # $1 = IP address to search for
+{
+    if [ -n "$g_showmacs" -o $VERBOSITY -gt 2 ]; then
+	$g_logread | grep 'IN=.* OUT=.*SRC=.*\..*DST=' | grep "$1" | tac | sed 's/ kernel://; s/\[.*\] //' | sed s/" $host $LOGFORMAT"/" "/
+    else
+	$g_logread | grep 'IN=.* OUT=.*SRC=.*\..*DST=' |  grep "$1" | tac | sed 's/ kernel://; s/MAC=.* SRC=/SRC=/; s/\[.*\] '// | sed s/" $host $LOGFORMAT"/" "/
+    fi
+}    
+
 #
 # Show traffic control information
 #
@@ -541,12 +550,17 @@ show_command() {
 	    $IPTABLES -t mangle -L $g_ipt_options
 	    ;;
 	log)
-	    [ $# -gt 1 ] && usage 1
+	    [ $# -gt 2 ] && usage 1
 	    echo "$g_product $SHOREWALL_VERSION Log ($LOGFILE) at $g_hostname - $(date)"
 	    echo
 	    show_reset
 	    host=$(echo $g_hostname | sed 's/\..*$//')
+
+	    if [ $# -eq 2 ]; then
+		search_log $2
+	    else
 		packet_log 20
+	    fi
 	    ;;
 	tc)
 	    [ $# -gt 2 ] && usage 1

Shorewall/releasenotes.txt

@@ -336,6 +336,11 @@ None.
     duplicate chains. So to set all possible optimizations, specify
     OPTIMIZE=15.
 
+5)  /sbin/shorewall and /sbin/shorewall-lite now support 'show log
+    <ipaddr>' where <ipaddr> is an IP address. The command searches the
+    current LOGFILE for Netfilter messages containing the supplied
+    address.
+
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Shorewall/shorewall

@@ -1360,7 +1360,7 @@ usage() # $1 = exit status
     echo "   show dynamic <zone>"
     echo "   show filters"
     echo "   show ip"
-    echo "   show [ -m ] log"
+    echo "   show [ -m ] log [<ip address>]"
     echo "   show macro <macro>"
     echo "   show macros"
     echo "   show [ -x ] mangle|nat|raw|routing"