X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/libsecurity_utilities/lib/daemon.cpp?ds=sidebyside

diff --git a/libsecurity_utilities/lib/daemon.cpp b/libsecurity_utilities/lib/daemon.cpp
deleted file mode 100644
index c5b6642e..00000000
--- a/libsecurity_utilities/lib/daemon.cpp
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All Rights Reserved.
- * 
- * @APPLE_LICENSE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-
-
-//
-// demon - support code for writing UNIXoid demons
-//
-#include <security_utilities/daemon.h>
-#include <security_utilities/logging.h>
-#include <security_utilities/debugging.h>
-#include <sys/types.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-namespace Security {
-namespace Daemon {
-
-
-//
-// Daemonize this process, the UNIX way.
-//
-bool incarnate(bool doFork /*=true*/)
-{
-	if (doFork) {
-		// fork with slight resilience
-		for (int forkTries = 1; forkTries <= 5; forkTries++) {
-			switch (fork()) {
-				case 0:			// child
-							// we are the daemon process (Har! Har!)
-					break;
-				case -1:		// parent: fork failed
-					switch (errno) {
-						case EAGAIN:
-						case ENOMEM:
-							Syslog::warning("fork() short on resources (errno=%d); retrying", errno);
-							sleep(forkTries);
-							continue;
-						default:
-							Syslog::error("fork() failed (errno=%d)", errno);
-							return false;
-					}
-				default:		// parent
-							// @@@ we could close an assurance loop here, but we don't (yet?)
-					exit(0);
-			}
-		}
-		// fork succeeded; we are the child; parent is terminating
-	}
-	
-	// create new session (the magic set-me-apart system call)
-	setsid();
-
-	// redirect standard channels to /dev/null
-	close(0);	// fail silently in case 0 is closed
-	if (open("/dev/null", O_RDWR, 0) == 0) {	// /dev/null could be missing, I suppose...
-		dup2(0, 1);
-		dup2(0, 2);
-	}
-	
-	// ready to roll
-	return true;
-}
-
-
-//
-// Re-execute myself.
-// This is a pretty bad hack for libraries that are pretty broken and (essentially)
-// don't work after a fork() unless you also exec().
-//
-// WARNING: Don't even THINK of doing this in a setuid-anything program.
-//
-bool executeSelf(char **argv)
-{
-	static const char reExecEnv[] = "_RE_EXECUTE";
-	if (getenv(reExecEnv)) {		// was re-executed
-		secdebug("daemon", "self-execution complete");
-		unsetenv(reExecEnv);
-		return true;
-	} else {
-		setenv(reExecEnv, "go", 1);
-		secdebug("daemon", "self-executing (ouch!)");
-		execv(argv[0], argv);
-		perror("re-execution");
-		Syslog::error("Re-execution attempt failed");
-		return false;
-	}
-}
-
-
-} // end namespace Daemon
-} // end namespace Security