Initial commit.

ChangeLog

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+20040906
+	accept_conns() trivial correctness fix: EINTR return from accept should
+	force continue rather than break in handling loop.
+
+	fail_on_fdne() is now file_exists() with a slightly different API.
+
+20040818
+	Use inet_aton rather than custom function; daemon.[ch] removed.
+
+20040817
+	ifchd no longer logs a "FATAL - select returned an error!" when it
+	is -KILL'ed.
+
+20040626
+	pending_exit is now static volatile sig_atomic_t rather than
+	static volatile int for pedantic correctness issues.
+
+20040614
+	Added --interface (-i) option that allows one to restrict the
+		interfaces that ifchd clients are allowed to modify.  I
+		reccomend that this flag be used to further mitigate the possible
+		effects of a compromised client.  By default, all interfaces
+		may be modified by clients.
+	Minor cleanups.
+	Clear corresponding namesvrs and domains on socket disconnection.
+
+20040613
+	Factor out Linux-specific code into linux.c.
+	Nameservers and search domains now tracked per-connection to
+		prevent races where a client could force a writeout of data
+		provided by another client.
+	Interface name now cleared on connection close.
+	Make all headers idempotent.
+	Minor improvements to error messages.
+
+20040612
+	Removed iffd[] array; this change makes the state machine action
+	functions (perform_*) depend on less external state.
+
+	HOSTNAME command now supported; it is not enabled by default.
+	If you wish for remote daemons to be able to change the hostname
+	of the local machine, use the --hostname (-o) option.
+
+20040610
+	Added MTU support.
+
+20040609
+	Robustify so that suicide() isn't called at every possible failure.
+	Harmless failures will now simply print an error to the log.  Risky
+	or severe errors still suicide().
+
+20040608
+
+	Added support for resolv.conf, namely "nameserver" and "search" entries.
+	Make strlist more robust and paranoid.
+
+20040607
+
+	Improved accept() code to be much more robust; it can now properly error
+	recover.  I hope this will fix the elusive random-exit problem that
+	plagues machines running the 2.6 kernel.
+
+	Refactored dispatch_work() to be cleaner.
+