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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 19:49:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 19:49:46 +0000
commit0b6b94e6b6152f15cf4c2247c5974f539aae28cd (patch)
treea7698198a1f527ede17a929af46e456e03d50600 /openbsd-compat/daemon.c
parentInitial commit. (diff)
downloadopenssh-0b6b94e6b6152f15cf4c2247c5974f539aae28cd.tar.xz
openssh-0b6b94e6b6152f15cf4c2247c5974f539aae28cd.zip
Adding upstream version 1:9.6p1.upstream/1%9.6p1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'openbsd-compat/daemon.c')
-rw-r--r--openbsd-compat/daemon.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/openbsd-compat/daemon.c b/openbsd-compat/daemon.c
new file mode 100644
index 0000000..3efe14c
--- /dev/null
+++ b/openbsd-compat/daemon.c
@@ -0,0 +1,82 @@
+/* $OpenBSD: daemon.c,v 1.6 2005/08/08 08:05:33 espie Exp $ */
+/*-
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* OPENBSD ORIGINAL: lib/libc/gen/daemon.c */
+
+#include "includes.h"
+
+#ifndef HAVE_DAEMON
+
+#include <sys/types.h>
+
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+
+#ifdef HAVE_FCNTL_H
+# include <fcntl.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+int
+daemon(int nochdir, int noclose)
+{
+ int fd;
+
+ switch (fork()) {
+ case -1:
+ return (-1);
+ case 0:
+ break;
+ default:
+ _exit(0);
+ }
+
+ if (setsid() == -1)
+ return (-1);
+
+ if (!nochdir)
+ (void)chdir("/");
+
+ if (!noclose && (fd = open(_PATH_DEVNULL, O_RDWR, 0)) != -1) {
+ (void)dup2(fd, STDIN_FILENO);
+ (void)dup2(fd, STDOUT_FILENO);
+ (void)dup2(fd, STDERR_FILENO);
+ if (fd > 2)
+ (void)close (fd);
+ }
+ return (0);
+}
+
+#endif /* !HAVE_DAEMON */
+