From: Greg KH <greg@press.(none)>
Date: Wed, 27 Apr 2005 06:52:14 +0000 (-0700)
Subject: selinux merge fixups again...
X-Git-Tag: 055~26
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=4d7726399bcaf74105f8f3c27ee37b5dbddc1fee

selinux merge fixups again...
---

diff --git a/udev_add.c b/udev_add.c
index 58f4ee115..42b8d2104 100644
--- a/udev_add.c
+++ b/udev_add.c
@@ -83,6 +83,7 @@ create:
 
 	selinux_setfscreatecon(file, udev->kernel_name, mode);
 	retval = mknod(file, mode, devt);
+	selinux_resetfscreatecon();
 	if (retval != 0) {
 		dbg("mknod(%s, %#o, %u, %u) failed with error '%s'",
 		    file, mode, major(devt), minor(devt), strerror(errno));
@@ -189,6 +190,7 @@ static int create_node(struct udevice *udev, struct sysfs_class_device *class_de
 
 	/* create symlink(s) if requested */
 	list_for_each_entry(name_loop, &udev->symlink_list, node) {
+		int retval;
 		char linktarget[PATH_SIZE];
 
 		snprintf(filename, sizeof(filename), "%s/%s", udev_root, name_loop->name);
@@ -218,9 +220,11 @@ static int create_node(struct udevice *udev, struct sysfs_class_device *class_de
 
 		dbg("symlink(%s, %s)", linktarget, filename);
 		if (!udev->test_run) {
-			selinux_setfscreatecon(filename, udev->kernel_name, S_IFLNK);
 			unlink(filename);
-			if (symlink(linktarget, filename) != 0)
+			selinux_setfscreatecon(filename, udev->kernel_name, S_IFLNK);
+			retval = symlink(linktarget, filename);
+			selinux_resetfscreatecon();
+			if (retval != 0)
 				dbg("symlink(%s, %s) failed with error '%s'",
 				    linktarget, filename, strerror(errno));
 		}
@@ -317,7 +321,7 @@ int udev_add_device(struct udevice *udev, struct sysfs_class_device *class_dev)
 	}
 
 exit:
-	selinux_restore();
+	selinux_exit();
 
 	return retval;
 }
diff --git a/udev_selinux.c b/udev_selinux.c
index 72381f0d0..cc6f4d7d3 100644
--- a/udev_selinux.c
+++ b/udev_selinux.c
@@ -105,7 +105,7 @@ void selinux_setfilecon(const char *file, const char *devname, unsigned int mode
 			} 
 
 		if (setfilecon(file, scontext) < 0)
-			dbg("setfiles %s failed with error '%s'", file, strerror(errno));
+			dbg("setfilecon %s failed with error '%s'", file, strerror(errno));
 
 		freecon(scontext);
 	}
@@ -131,12 +131,20 @@ void selinux_setfscreatecon(const char *file, const char *devname, unsigned int
 			}
 
 		if (setfscreatecon(scontext) < 0)
-			dbg("setfiles %s failed with error '%s'", file, strerror(errno));
+			dbg("setfscreatecon %s failed with error '%s'", file, strerror(errno));
 
 		freecon(scontext);
 	}
 }
 
+void selinux_resetfscreatecon(void)
+{
+	if (is_selinux_running()) {
+		if (setfscreatecon(prev_scontext) < 0)
+			dbg("setfscreatecon %s failed with error '%s'", file, strerror(errno));
+	}
+}
+
 void selinux_init(void)
 {
 	/*
@@ -144,23 +152,17 @@ void selinux_init(void)
 	 * restoration creation purposes.
 	 */
 	if (is_selinux_running()) {
-		if (getfscreatecon(&prev_scontext) < 0)
+		if (getfscreatecon(&prev_scontext) < 0) {
 			dbg("getfscreatecon failed\n");
-
-		prev_scontext = NULL;
+			prev_scontext = NULL;
+		}
 	}
 }
 
-void selinux_restore(void)
+void selinux_exit(void)
 {
-	if (is_selinux_running()) {
-		/* reset the file create context to its former glory */
-		if (setfscreatecon(prev_scontext) < 0)
-			dbg("setfscreatecon failed\n");
-
-		if (prev_scontext) {
-			freecon(prev_scontext);
-			prev_scontext = NULL;
-		}
+	if (is_selinux_running() && prev_scontext) {
+		freecon(prev_scontext);
+		prev_scontext = NULL;
 	}
 }
diff --git a/udev_selinux.h b/udev_selinux.h
index 132a9a655..d9dfeffad 100644
--- a/udev_selinux.h
+++ b/udev_selinux.h
@@ -24,15 +24,17 @@
 
 extern void selinux_setfilecon(const char *file, const char *devname, unsigned int mode);
 extern void selinux_setfscreatecon(const char *file, const char *devname, unsigned int mode);
+extern void selinux_resetfscreatecon(void);
 extern void selinux_init(void);
-extern void selinux_restore(void);
+extern void selinux_exit(void);
 
 #else
 
 static inline void selinux_setfilecon(const char *file, const char *devname, unsigned int mode) {}
 static inline void selinux_setfscreatecon(const char *file, const char *devname, unsigned int mode) {}
+static inline void selinux_resetfscreatecon(void) {}
 static inline void selinux_init(void) {}
-static inline void selinux_restore(void) {}
+static inline void selinux_exit(void) {}
 
 #endif /* USE_SELINUX */
 #endif /* _UDEV_USE_SELINUX */