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Diffstat (limited to 'security/selinux/selinuxfs.c')
-rw-r--r--security/selinux/selinuxfs.c112
1 files changed, 57 insertions, 55 deletions
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 6c05e30e8b4..893b3db0bad 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -1,16 +1,16 @@
/* Updated: Karl MacMillan <kmacmillan@tresys.com>
*
- * Added conditional policy language extensions
+ * Added conditional policy language extensions
*
* Updated: Hewlett-Packard <paul.moore@hp.com>
*
- * Added support for the policy capability bitmap
+ * Added support for the policy capability bitmap
*
* Copyright (C) 2007 Hewlett-Packard Development Company, L.P.
* Copyright (C) 2003 - 2004 Tresys Technology, LLC
* Copyright (C) 2004 Red Hat, Inc., James Morris <jmorris@redhat.com>
* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
+ * it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2.
*/
@@ -58,14 +58,14 @@ int selinux_compat_net = SELINUX_COMPAT_NET_VALUE;
static int __init checkreqprot_setup(char *str)
{
- selinux_checkreqprot = simple_strtoul(str,NULL,0) ? 1 : 0;
+ selinux_checkreqprot = simple_strtoul(str, NULL, 0) ? 1 : 0;
return 1;
}
__setup("checkreqprot=", checkreqprot_setup);
static int __init selinux_compat_net_setup(char *str)
{
- selinux_compat_net = simple_strtoul(str,NULL,0) ? 1 : 0;
+ selinux_compat_net = simple_strtoul(str, NULL, 0) ? 1 : 0;
return 1;
}
__setup("selinux_compat_net=", selinux_compat_net_setup);
@@ -74,17 +74,17 @@ __setup("selinux_compat_net=", selinux_compat_net_setup);
static DEFINE_MUTEX(sel_mutex);
/* global data for booleans */
-static struct dentry *bool_dir = NULL;
-static int bool_num = 0;
+static struct dentry *bool_dir;
+static int bool_num;
static char **bool_pending_names;
-static int *bool_pending_values = NULL;
+static int *bool_pending_values;
/* global data for classes */
-static struct dentry *class_dir = NULL;
+static struct dentry *class_dir;
static unsigned long last_class_ino;
/* global data for policy capabilities */
-static struct dentry *policycap_dir = NULL;
+static struct dentry *policycap_dir;
extern void selnl_notify_setenforce(int val);
@@ -143,7 +143,7 @@ static ssize_t sel_read_enforce(struct file *filp, char __user *buf,
}
#ifdef CONFIG_SECURITY_SELINUX_DEVELOP
-static ssize_t sel_write_enforce(struct file * file, const char __user * buf,
+static ssize_t sel_write_enforce(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
@@ -157,7 +157,7 @@ static ssize_t sel_write_enforce(struct file * file, const char __user * buf,
/* No partial writes. */
return -EINVAL;
}
- page = (char*)get_zeroed_page(GFP_KERNEL);
+ page = (char *)get_zeroed_page(GFP_KERNEL);
if (!page)
return -ENOMEM;
length = -EFAULT;
@@ -214,7 +214,7 @@ static const struct file_operations sel_handle_unknown_ops = {
};
#ifdef CONFIG_SECURITY_SELINUX_DISABLE
-static ssize_t sel_write_disable(struct file * file, const char __user * buf,
+static ssize_t sel_write_disable(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
@@ -229,7 +229,7 @@ static ssize_t sel_write_disable(struct file * file, const char __user * buf,
/* No partial writes. */
return -EINVAL;
}
- page = (char*)get_zeroed_page(GFP_KERNEL);
+ page = (char *)get_zeroed_page(GFP_KERNEL);
if (!page)
return -ENOMEM;
length = -EFAULT;
@@ -264,7 +264,7 @@ static const struct file_operations sel_disable_ops = {
};
static ssize_t sel_read_policyvers(struct file *filp, char __user *buf,
- size_t count, loff_t *ppos)
+ size_t count, loff_t *ppos)
{
char tmpbuf[TMPBUFLEN];
ssize_t length;
@@ -300,7 +300,7 @@ static const struct file_operations sel_mls_ops = {
.read = sel_read_mls,
};
-static ssize_t sel_write_load(struct file * file, const char __user * buf,
+static ssize_t sel_write_load(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
@@ -372,7 +372,7 @@ static const struct file_operations sel_load_ops = {
.write = sel_write_load,
};
-static ssize_t sel_write_context(struct file * file, char *buf, size_t size)
+static ssize_t sel_write_context(struct file *file, char *buf, size_t size)
{
char *canon;
u32 sid, len;
@@ -414,7 +414,7 @@ static ssize_t sel_read_checkreqprot(struct file *filp, char __user *buf,
return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);
}
-static ssize_t sel_write_checkreqprot(struct file * file, const char __user * buf,
+static ssize_t sel_write_checkreqprot(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
char *page;
@@ -431,7 +431,7 @@ static ssize_t sel_write_checkreqprot(struct file * file, const char __user * bu
/* No partial writes. */
return -EINVAL;
}
- page = (char*)get_zeroed_page(GFP_KERNEL);
+ page = (char *)get_zeroed_page(GFP_KERNEL);
if (!page)
return -ENOMEM;
length = -EFAULT;
@@ -463,7 +463,7 @@ static ssize_t sel_read_compat_net(struct file *filp, char __user *buf,
return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);
}
-static ssize_t sel_write_compat_net(struct file * file, const char __user * buf,
+static ssize_t sel_write_compat_net(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
char *page;
@@ -480,7 +480,7 @@ static ssize_t sel_write_compat_net(struct file * file, const char __user * buf,
/* No partial writes. */
return -EINVAL;
}
- page = (char*)get_zeroed_page(GFP_KERNEL);
+ page = (char *)get_zeroed_page(GFP_KERNEL);
if (!page)
return -ENOMEM;
length = -EFAULT;
@@ -505,11 +505,11 @@ static const struct file_operations sel_compat_net_ops = {
/*
* Remaining nodes use transaction based IO methods like nfsd/nfsctl.c
*/
-static ssize_t sel_write_access(struct file * file, char *buf, size_t size);
-static ssize_t sel_write_create(struct file * file, char *buf, size_t size);
-static ssize_t sel_write_relabel(struct file * file, char *buf, size_t size);
-static ssize_t sel_write_user(struct file * file, char *buf, size_t size);
-static ssize_t sel_write_member(struct file * file, char *buf, size_t size);
+static ssize_t sel_write_access(struct file *file, char *buf, size_t size);
+static ssize_t sel_write_create(struct file *file, char *buf, size_t size);
+static ssize_t sel_write_relabel(struct file *file, char *buf, size_t size);
+static ssize_t sel_write_user(struct file *file, char *buf, size_t size);
+static ssize_t sel_write_member(struct file *file, char *buf, size_t size);
static ssize_t (*write_op[])(struct file *, char *, size_t) = {
[SEL_ACCESS] = sel_write_access,
@@ -522,7 +522,7 @@ static ssize_t (*write_op[])(struct file *, char *, size_t) = {
static ssize_t selinux_transaction_write(struct file *file, const char __user *buf, size_t size, loff_t *pos)
{
- ino_t ino = file->f_path.dentry->d_inode->i_ino;
+ ino_t ino = file->f_path.dentry->d_inode->i_ino;
char *data;
ssize_t rv;
@@ -533,8 +533,8 @@ static ssize_t selinux_transaction_write(struct file *file, const char __user *b
if (IS_ERR(data))
return PTR_ERR(data);
- rv = write_op[ino](file, data, size);
- if (rv>0) {
+ rv = write_op[ino](file, data, size);
+ if (rv > 0) {
simple_transaction_set(file, rv);
rv = size;
}
@@ -553,7 +553,7 @@ static const struct file_operations transaction_ops = {
* and the length returned. Otherwise return 0 or and -error.
*/
-static ssize_t sel_write_access(struct file * file, char *buf, size_t size)
+static ssize_t sel_write_access(struct file *file, char *buf, size_t size)
{
char *scon, *tcon;
u32 ssid, tsid;
@@ -602,7 +602,7 @@ out:
return length;
}
-static ssize_t sel_write_create(struct file * file, char *buf, size_t size)
+static ssize_t sel_write_create(struct file *file, char *buf, size_t size)
{
char *scon, *tcon;
u32 ssid, tsid, newsid;
@@ -661,7 +661,7 @@ out:
return length;
}
-static ssize_t sel_write_relabel(struct file * file, char *buf, size_t size)
+static ssize_t sel_write_relabel(struct file *file, char *buf, size_t size)
{
char *scon, *tcon;
u32 ssid, tsid, newsid;
@@ -718,7 +718,7 @@ out:
return length;
}
-static ssize_t sel_write_user(struct file * file, char *buf, size_t size)
+static ssize_t sel_write_user(struct file *file, char *buf, size_t size)
{
char *con, *user, *ptr;
u32 sid, *sids;
@@ -779,7 +779,7 @@ out:
return length;
}
-static ssize_t sel_write_member(struct file * file, char *buf, size_t size)
+static ssize_t sel_write_member(struct file *file, char *buf, size_t size)
{
char *scon, *tcon;
u32 ssid, tsid, newsid;
@@ -873,7 +873,8 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
ret = -EINVAL;
goto out;
}
- if (!(page = (char*)get_zeroed_page(GFP_KERNEL))) {
+ page = (char *)get_zeroed_page(GFP_KERNEL);
+ if (!page) {
ret = -ENOMEM;
goto out;
}
@@ -924,7 +925,7 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
length = -EINVAL;
goto out;
}
- page = (char*)get_zeroed_page(GFP_KERNEL);
+ page = (char *)get_zeroed_page(GFP_KERNEL);
if (!page) {
length = -ENOMEM;
goto out;
@@ -952,8 +953,8 @@ out:
}
static const struct file_operations sel_bool_ops = {
- .read = sel_read_bool,
- .write = sel_write_bool,
+ .read = sel_read_bool,
+ .write = sel_write_bool,
};
static ssize_t sel_commit_bools_write(struct file *filep,
@@ -978,7 +979,7 @@ static ssize_t sel_commit_bools_write(struct file *filep,
/* No partial writes. */
goto out;
}
- page = (char*)get_zeroed_page(GFP_KERNEL);
+ page = (char *)get_zeroed_page(GFP_KERNEL);
if (!page) {
length = -ENOMEM;
goto out;
@@ -992,9 +993,8 @@ static ssize_t sel_commit_bools_write(struct file *filep,
if (sscanf(page, "%d", &new_value) != 1)
goto out;
- if (new_value && bool_pending_values) {
+ if (new_value && bool_pending_values)
security_set_bools(bool_num, bool_pending_values);
- }
length = count;
@@ -1006,7 +1006,7 @@ out:
}
static const struct file_operations sel_commit_bools_ops = {
- .write = sel_commit_bools_write,
+ .write = sel_commit_bools_write,
};
static void sel_remove_entries(struct dentry *de)
@@ -1056,7 +1056,8 @@ static int sel_make_bools(void)
sel_remove_entries(dir);
- if (!(page = (char*)get_zeroed_page(GFP_KERNEL)))
+ page = (char *)get_zeroed_page(GFP_KERNEL);
+ if (!page)
return -ENOMEM;
ret = security_get_bools(&num, &names, &values);
@@ -1083,8 +1084,9 @@ static int sel_make_bools(void)
ret = -ENAMETOOLONG;
goto err;
}
- isec = (struct inode_security_struct*)inode->i_security;
- if ((ret = security_genfs_sid("selinuxfs", page, SECCLASS_FILE, &sid)))
+ isec = (struct inode_security_struct *)inode->i_security;
+ ret = security_genfs_sid("selinuxfs", page, SECCLASS_FILE, &sid);
+ if (ret)
goto err;
isec->sid = sid;
isec->initialized = 1;
@@ -1112,7 +1114,7 @@ err:
#define NULL_FILE_NAME "null"
-struct dentry *selinux_null = NULL;
+struct dentry *selinux_null;
static ssize_t sel_read_avc_cache_threshold(struct file *filp, char __user *buf,
size_t count, loff_t *ppos)
@@ -1124,8 +1126,8 @@ static ssize_t sel_read_avc_cache_threshold(struct file *filp, char __user *buf,
return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);
}
-static ssize_t sel_write_avc_cache_threshold(struct file * file,
- const char __user * buf,
+static ssize_t sel_write_avc_cache_threshold(struct file *file,
+ const char __user *buf,
size_t count, loff_t *ppos)
{
@@ -1144,7 +1146,7 @@ static ssize_t sel_write_avc_cache_threshold(struct file * file,
goto out;
}
- page = (char*)get_zeroed_page(GFP_KERNEL);
+ page = (char *)get_zeroed_page(GFP_KERNEL);
if (!page) {
ret = -ENOMEM;
goto out;
@@ -1302,7 +1304,7 @@ out:
return ret;
}
-static ssize_t sel_read_initcon(struct file * file, char __user *buf,
+static ssize_t sel_read_initcon(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
struct inode *inode;
@@ -1376,7 +1378,7 @@ static inline u32 sel_ino_to_perm(unsigned long ino)
return (ino & SEL_INO_MASK) % (SEL_VEC_MAX + 1);
}
-static ssize_t sel_read_class(struct file * file, char __user *buf,
+static ssize_t sel_read_class(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
ssize_t rc, len;
@@ -1400,7 +1402,7 @@ static const struct file_operations sel_class_ops = {
.read = sel_read_class,
};
-static ssize_t sel_read_perm(struct file * file, char __user *buf,
+static ssize_t sel_read_perm(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
ssize_t rc, len;
@@ -1413,7 +1415,7 @@ static ssize_t sel_read_perm(struct file * file, char __user *buf,
goto out;
}
- len = snprintf(page, PAGE_SIZE,"%d", sel_ino_to_perm(ino));
+ len = snprintf(page, PAGE_SIZE, "%d", sel_ino_to_perm(ino));
rc = simple_read_from_buffer(buf, count, ppos, page, len);
free_page((unsigned long)page);
out:
@@ -1641,7 +1643,7 @@ out:
return ret;
}
-static int sel_fill_super(struct super_block * sb, void * data, int silent)
+static int sel_fill_super(struct super_block *sb, void *data, int silent)
{
int ret;
struct dentry *dentry;
@@ -1697,7 +1699,7 @@ static int sel_fill_super(struct super_block * sb, void * data, int silent)
goto err;
}
inode->i_ino = ++sel_last_ino;
- isec = (struct inode_security_struct*)inode->i_security;
+ isec = (struct inode_security_struct *)inode->i_security;
isec->sid = SECINITSID_DEVNULL;
isec->sclass = SECCLASS_CHR_FILE;
isec->initialized = 1;