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Code

selinux merge fixups again...

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This commit is contained in:
Greg KH 2005-04-26 23:52:14 -07:00 committed by Greg KH
parent cb948532ff
commit 4d7726399b
3 changed files with 30 additions and 22 deletions
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10
udev_add.c
View File

@ -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;
}

36
udev_selinux.c
View File

@ -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;
}
}
void selinux_restore(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;
}
}
}
void selinux_exit(void)
{
if (is_selinux_running() && prev_scontext) {
freecon(prev_scontext);
prev_scontext = NULL;
}
}

6
udev_selinux.h
View File

@ -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 */