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https://gitlab.com/shorewall/code.git
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Remove sensless synonyms from command set
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@3424 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep
parent
97eaf708d3
commit
7085f1d417
@ -9047,7 +9047,7 @@ do_initialize() {
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# Give Usage Information
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#
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usage() {
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echo "Usage: $0 [debug] check|{generate|compile} <filename>}"
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echo "Usage: $0 [debug] check|compile <filename>}"
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exit 1
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}
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@ -9075,10 +9075,9 @@ case "$COMMAND" in
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compile_firewall
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;;
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compile|generate)
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compile)
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[ $# -ne 2 ] && usage
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do_initialize
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COMMAND=compile
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compile_firewall $2
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;;
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@ -97,8 +97,6 @@ compile)
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other than where the compiled script will run. This option disables
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certain configuration options that require the script to be compiled
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where it is to be run.
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'generate' is a synonym for 'compile'."
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;;
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debug)
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@ -169,19 +167,6 @@ forget)
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See also \"help save\""
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;;
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generate)
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echo "generate: generate [ -e ] [ <directory name> ] <file name>
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Compiles the current configuration into the executable file
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/var/lib/shorewall/<file name>
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When -e is specified, the compilation is being performed on a system
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other than where the compiled script will run. This option disables
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certain configuration options that require the script to be compiled
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where it is to be run.
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'compile' is a synonym for 'generate'."
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;;
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help)
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echo "help: help [<command> | host | address ]
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Display helpful information about the shorewall commands."
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@ -235,17 +220,6 @@ reject)
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See also \"help address\""
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;;
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reload)
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echo "reload: reload [ -q ] [ -n ] [ <directory name> ]
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Causes Shorewall to generate a new compiled restore file using the named directory
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as the first search directory for configuration file. If that generation is error-free,
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the generated restore file is executed.
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If \"-q\" is specified, less detain is displayed making it easier to spot warnings
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If \"-n\" is specified, no changes to routing will be made"
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;;
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reset)
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echo "reset: reset
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All the packet and byte counters in the firewall are reset."
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@ -32,6 +32,7 @@ RCDLINKS="2,S41 3,S41 6,K41"
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# shorewall start Starts the firewall
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# shorewall restart Restarts the firewall
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# shorewall reload Reload the firewall
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# (same as restart)
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# shorewall stop Stops the firewall
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# shorewall status Displays firewall status
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#
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@ -75,9 +76,13 @@ case "$command" in
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start)
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exec /sbin/shorewall $OPTIONS $@
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;;
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stop|restart|status|reload)
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stop|restart|status)
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exec /sbin/shorewall $@
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;;
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reload)
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shift
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exec /sbin/shorewall restart $@
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;;
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*)
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usage
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;;
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@ -2,7 +2,7 @@
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# Give Usage Information
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#
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usage() {
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echo "Usage: $0 [ -q ] [ -v ] [ -n ] [ start|stop|clear|reload|restart|status|version ]"
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echo "Usage: $0 [ -q ] [ -v ] [ -n ] [ start|stop|clear|restart|status|version ]"
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exit $1
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}
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################################################################################
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@ -79,18 +79,6 @@ case "$COMMAND" in
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progress_message3 "Starting Shorewall...."
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fi
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define_firewall
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status=$?
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progress_message3 "done."
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;;
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reload)
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if shorewall_is_started; then
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progress_message3 "Reloading Shorewall...."
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else
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echo "Shorewall is not running" >&2
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progress_message3 "Starting Shorewall...."
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fi
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define_firewall
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status=$?
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progress_message3 "done."
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@ -74,9 +74,9 @@ Migration Considerations:
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New Features:
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1) A new 'shorewall generate' command has been added.
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1) A new 'shorewall compile' command has been added.
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shorewall generate [ -v ] [ -q ] [ -e ] [ <config directory> ] <script
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shorewall compile [ -v ] [ -q ] [ -e ] [ <config directory> ] <script
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file>
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where:
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@ -85,7 +85,7 @@ file>
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-e Generates an error if the configuration uses
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an option that would prevent the generated
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script from running on a system other than
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where the 'generate' command is running (see
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where the 'compile' command is running (see
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additional consideration a) below).
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Also allows the generated script to run
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on a system without Shorewall installed.
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@ -95,14 +95,10 @@ file>
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/etc/shorewall/shorewall.conf.
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<script file> Is the name of the output file.
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The 'generate' command processes the configuration and writes a script
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file which may then be executed (either directly or using the
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The 'compile' command processes the configuration and generates a
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script file which may then be executed (either directly or using the
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'shorewall restore' command) to configure the firewall.
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'compile' is a synonym for 'generate':
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shorewall compile [ -v ] [ -q ] [ -e ] [ <config directory> ] <script file>
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The generated script contains error checking and will terminate if an
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important command fails. Before terminating:
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@ -115,8 +111,8 @@ file>
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Some additional considerations:
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a) It is possible to run 'generate' ('compile') on one system and then
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run the generated script on another system but there are certain
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a) It is possible to run 'compile' on one system and then run the
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generated script on another system but there are certain
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limitations.
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1) The same version of Shorewall must be running on the remote system
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@ -187,53 +183,12 @@ file>
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__EOF__
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In addition to 'generate', a 'shorewall reload' command has been added.
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shorewall reload [ -v ] [ -q ] [ <config directory> ]
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where -v, -q and <config directory> are as above.
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The 'reload' command creates a script using 'generate' and if there are
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no errors, it then restores that script. It is equivalent to:
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if shorewall generate /var/lib/shorewall/.reload; then
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restore .reload;
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fi
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The advantage of using reload over restart is that reload results in new
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connections being dropped for a much shorter time. Here are the results
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of tests that I conducted on my own firewall:
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A) shorewall restart (Shorewall 3.0.4)
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real 0m17.540s
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user 0m5.956s
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sys 0m10.737s
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B) ./foo restart # foo created using "shorewall compile"
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real 0m3.505s
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user 0m1.332s
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sys 0m2.164s
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C) shorewall restore (Shorewall 3.0.4) # Restores from file generated by
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# "shorewall save"
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real 0m1.164s
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user 0m0.556s
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sys 0m0.608s
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The time difference between B and C reflects the difference between
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"iptables-restore" and multiple executions of "iptables". The system is
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a 1.4Ghz Celeron with 512MB RAM.
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Compilation generates a complete program. This program is suitable for
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installation into /etc/init.d and, when generated with the "-e" option,
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can serve as your firewall on a system that doesn't even have Shorewall
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installed.
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The program supports the following commands:
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The generated program supports the following commands:
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<program> [ -q ] [ -v ] [ -n ] start
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<program> [ -q ] [ -v ] [ -n ] stop
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@ -246,13 +201,49 @@ file>
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rewritten to use compilation. They both compile a temporary program
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then run it. This results in a slightly longer elapsed time than the
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similar commands required under earlier versions of Shorewall but new
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connections are blocked for a much smaller percentage of that time as
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shown by the numbers above. Under Shorewall 3.1.4, "shorewall restart"
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takes roughly 18.5 seconds on my firewall:
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connections are blocked for a much smaller percentage of that time.
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real 0m18.529s
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user 0m6.240s
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sys 0m10.165s
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Under Shorewall 3.1.5, "shorewall restart" takes roughly 16.5 seconds
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on my firewall:
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real 0m16.599s
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user 0m6.292s
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sys 0m9.885s
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Of the elapsed 16.5 seconds, new connections are disabled less than
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3.5 seconds. Here are some numbers for comparison:
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A) shorewall restart (Shorewall 3.0.4)
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real 0m17.540s
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user 0m5.956s
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sys 0m10.737s
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B) ./foo restart # foo created using "shorewall compile"
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real 0m3.297s
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user 0m1.444s
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sys 0m1.728s
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C) shorewall restore (Shorewall 3.0.4) # Restores from file generated by
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# "shorewall save"
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real 0m1.164s
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user 0m0.556s
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sys 0m0.608s
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D) shorewall restore (shorewall 3.1.5)
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real 0m1.637s
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user 0m0.728s
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sys 0m0.584s
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The time difference between B and C reflects the difference between
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"iptables-restore" and multiple executions of "iptables". The time
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difference between C and D results from the fact that the "restore"
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command in Shorewall 3.1 runs the compiled program in a way that
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turns all iptables commands into no-ops then invokes
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iptables-restore. The system is a 1.4Ghz Celeron with 512MB RAM.
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As a final part of this change, the "check" command now compiles the
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current configuration then discards the generated script. So "check"
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@ -110,10 +110,8 @@
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# confirmation to accept or reject the new
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# configuration
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#
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# shorewall {generate|compile} [ <directory> ] ]<filename>
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# Compile a pseudo restore file.
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#
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# shorewall reload [ <directory name> ] Safe reload
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# shorewall compile [ <directory> ] ]<filename>
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# Compile a firewall program file.
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#
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# Fatal Error
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#
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@ -690,7 +688,7 @@ compile_command() {
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export EXPORT
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exec $SHOREWALL_SHELL /usr/share/shorewall/compiler $debugging generate $file
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exec $SHOREWALL_SHELL /usr/share/shorewall/compiler $debugging compile $file
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}
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#
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# Check Command Executor
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@ -758,84 +756,6 @@ check_command() {
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exec $SHOREWALL_SHELL /usr/share/shorewall/compiler $debugging $nolock check
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}
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#
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# Reload Command Executor
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#
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reload_command() {
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local finished=0
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while [ $finished -eq 0 -a $# -gt 0 ]; do
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option=$1
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case $option in
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-*)
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option=${option#-}
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while [ -n "$option" ]; do
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case $option in
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-)
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finished=1
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option=
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;;
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q*)
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VERBOSE=$(($VERBOSE - 1 ))
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option=${option#q}
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;;
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v*)
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VERBOSE=$(($VERBOSE + 1 ))
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option=${option#v}
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;;
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n*)
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NOROUTES=Yes
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option=${option#n}
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;;
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*)
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usage 1
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;;
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esac
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done
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shift
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;;
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*)
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finished=1
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;;
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esac
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done
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case $# in
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0)
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;;
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1)
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[ -n "$SHOREWALL_DIR" ] && usage 2
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if [ ! -d $1 ]; then
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if [ -e $1 ]; then
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echo "$1 is not a directory" >&2 && exit 2
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else
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echo "Directory $1 does not exist" >&2 && exit 2
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fi
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fi
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SHOREWALL_DIR=$1
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export SHOREWALL_DIR
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;;
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*)
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usage 1
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;;
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esac
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export NOROUTES
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[ -n "$nolock" ] || mutex_on
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progress_message3 "Compiling..."
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if $SHOREWALL_SHELL /usr/share/shorewall/compiler $debugging $nolock compile /var/lib/shorewall/.reload; then
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/var/lib/shorewall/.reload reload
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fi
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[ -n "$nolock" ] || mutex_off
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}
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#
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# Restart Command Executor
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#
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@ -1375,7 +1295,6 @@ usage() # $1 = exit status
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echo " drop <address> ..."
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echo " dump"
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echo " forget [ <file name> ]"
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echo " generate [ -e ] [ <directory name> ] <path name>"
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echo " help [ <command > | host | address ]"
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echo " hits"
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echo " ipcalc { <address>/<vlsm> | <address> <netmask> }"
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@ -1385,7 +1304,6 @@ usage() # $1 = exit status
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echo " refresh"
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echo " reject <address> ..."
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echo " reset"
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echo " reload [ <directory> ]"
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echo " restart [ <directory> ]"
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echo " restore [ <file name> ]"
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echo " save [ <file name> ]"
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@ -1660,7 +1578,7 @@ case "$COMMAND" in
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export NOROUTES
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exec $SHOREWALL_SHELL $FIREWALL $debugging $nolock $COMMAND
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;;
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compile|generate)
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compile)
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shift
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compile_command $@
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@ -1677,12 +1595,6 @@ case "$COMMAND" in
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check_command $@
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;;
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reload)
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shift
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reload_command $@
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;;
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add|delete)
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[ $# -lt 3 ] && usage 1
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