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Diffstat (limited to 'security/selinux/selinuxfs.c')
-rw-r--r--security/selinux/selinuxfs.c127
1 files changed, 65 insertions, 62 deletions
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 7b681692be4..ac1ccc13a70 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.
*/
@@ -57,14 +57,14 @@ 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);
@@ -73,17 +73,17 @@ __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);
@@ -142,7 +142,7 @@ 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)
{
@@ -156,7 +156,7 @@ 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;
@@ -213,7 +213,7 @@ 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)
{
@@ -228,7 +228,7 @@ 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;
@@ -263,7 +263,7 @@ 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;
@@ -299,7 +299,7 @@ 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)
{
@@ -371,7 +371,7 @@ 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;
@@ -390,8 +390,8 @@ static ssize_t sel_write_context(struct file * file, char *buf, size_t size)
return length;
if (len > SIMPLE_TRANSACTION_LIMIT) {
- printk(KERN_ERR "%s: context size (%u) exceeds payload "
- "max\n", __func__, len);
+ printk(KERN_ERR "SELinux: %s: context size (%u) exceeds "
+ "payload max\n", __func__, len);
length = -ERANGE;
goto out;
}
@@ -413,7 +413,7 @@ 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;
@@ -430,7 +430,7 @@ 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;
@@ -462,7 +462,7 @@ 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;
@@ -479,7 +479,7 @@ 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;
@@ -504,11 +504,11 @@ 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,
@@ -521,7 +521,7 @@ 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;
@@ -532,8 +532,8 @@ 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;
}
@@ -552,7 +552,7 @@ 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;
@@ -601,7 +601,7 @@ 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;
@@ -643,8 +643,8 @@ static ssize_t sel_write_create(struct file * file, char *buf, size_t size)
goto out2;
if (len > SIMPLE_TRANSACTION_LIMIT) {
- printk(KERN_ERR "%s: context size (%u) exceeds payload "
- "max\n", __func__, len);
+ printk(KERN_ERR "SELinux: %s: context size (%u) exceeds "
+ "payload max\n", __func__, len);
length = -ERANGE;
goto out3;
}
@@ -660,7 +660,7 @@ 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;
@@ -717,7 +717,7 @@ 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;
@@ -778,7 +778,7 @@ 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;
@@ -820,8 +820,8 @@ static ssize_t sel_write_member(struct file * file, char *buf, size_t size)
goto out2;
if (len > SIMPLE_TRANSACTION_LIMIT) {
- printk(KERN_ERR "%s: context size (%u) exceeds payload "
- "max\n", __func__, len);
+ printk(KERN_ERR "SELinux: %s: context size (%u) exceeds "
+ "payload max\n", __func__, len);
length = -ERANGE;
goto out3;
}
@@ -872,7 +872,8 @@ 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;
}
@@ -923,7 +924,7 @@ 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;
@@ -951,8 +952,8 @@ 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,
@@ -977,7 +978,7 @@ 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;
@@ -991,9 +992,8 @@ 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;
@@ -1005,7 +1005,7 @@ 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)
@@ -1055,7 +1055,8 @@ 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);
@@ -1082,8 +1083,9 @@ 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;
@@ -1111,7 +1113,7 @@ 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)
@@ -1123,8 +1125,8 @@ 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)
{
@@ -1143,7 +1145,7 @@ 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;
@@ -1301,7 +1303,7 @@ 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;
@@ -1375,7 +1377,7 @@ 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;
@@ -1399,7 +1401,7 @@ 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;
@@ -1412,7 +1414,7 @@ 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:
@@ -1640,7 +1642,7 @@ 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;
@@ -1696,7 +1698,7 @@ 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;
@@ -1760,7 +1762,8 @@ static int sel_fill_super(struct super_block * sb, void * data, int silent)
out:
return ret;
err:
- printk(KERN_ERR "%s: failed while creating inodes\n", __func__);
+ printk(KERN_ERR "SELinux: %s: failed while creating inodes\n",
+ __func__);
goto out;
}