Merge branch 'next' of git://selinuxproject.org/~jmorris/linux-security

* 'next' of git://selinuxproject.org/~jmorris/linux-security: (95 commits)
  TOMOYO: Fix incomplete read after seek.
  Smack: allow to access /smack/access as normal user
  TOMOYO: Fix unused kernel config option.
  Smack: fix: invalid length set for the result of /smack/access
  Smack: compilation fix
  Smack: fix for /smack/access output, use string instead of byte
  Smack: domain transition protections (v3)
  Smack: Provide information for UDS getsockopt(SO_PEERCRED)
  Smack: Clean up comments
  Smack: Repair processing of fcntl
  Smack: Rule list lookup performance
  Smack: check permissions from user space (v2)
  TOMOYO: Fix quota and garbage collector.
  TOMOYO: Remove redundant tasklist_lock.
  TOMOYO: Fix domain transition failure warning.
  TOMOYO: Remove tomoyo_policy_memory_lock spinlock.
  TOMOYO: Simplify garbage collector.
  TOMOYO: Fix make namespacecheck warnings.
  target: check hex2bin result
  encrypted-keys: check hex2bin result
  ...
This commit is contained in:
Linus Torvalds
2011-10-25 09:45:31 +02:00
99 changed files with 4706 additions and 1437 deletions
+65 -11
View File
@@ -16,15 +16,16 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/security.h>
#include <linux/integrity.h>
#include <linux/ima.h>
#include <linux/evm.h>
#define MAX_LSM_EVM_XATTR 2
/* Boot-time LSM user choice */
static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
CONFIG_DEFAULT_SECURITY;
/* things that live in capability.c */
extern void __init security_fixup_ops(struct security_operations *ops);
static struct security_operations *security_ops;
static struct security_operations default_security_ops = {
.name = "default",
@@ -334,20 +335,57 @@ int security_inode_alloc(struct inode *inode)
void security_inode_free(struct inode *inode)
{
ima_inode_free(inode);
integrity_inode_free(inode);
security_ops->inode_free_security(inode);
}
int security_inode_init_security(struct inode *inode, struct inode *dir,
const struct qstr *qstr, char **name,
void **value, size_t *len)
const struct qstr *qstr,
const initxattrs initxattrs, void *fs_data)
{
struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
struct xattr *lsm_xattr, *evm_xattr, *xattr;
int ret;
if (unlikely(IS_PRIVATE(inode)))
return 0;
memset(new_xattrs, 0, sizeof new_xattrs);
if (!initxattrs)
return security_ops->inode_init_security(inode, dir, qstr,
NULL, NULL, NULL);
lsm_xattr = new_xattrs;
ret = security_ops->inode_init_security(inode, dir, qstr,
&lsm_xattr->name,
&lsm_xattr->value,
&lsm_xattr->value_len);
if (ret)
goto out;
evm_xattr = lsm_xattr + 1;
ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
if (ret)
goto out;
ret = initxattrs(inode, new_xattrs, fs_data);
out:
for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
kfree(xattr->name);
kfree(xattr->value);
}
return (ret == -EOPNOTSUPP) ? 0 : ret;
}
EXPORT_SYMBOL(security_inode_init_security);
int security_old_inode_init_security(struct inode *inode, struct inode *dir,
const struct qstr *qstr, char **name,
void **value, size_t *len)
{
if (unlikely(IS_PRIVATE(inode)))
return -EOPNOTSUPP;
return 0;
return security_ops->inode_init_security(inode, dir, qstr, name, value,
len);
}
EXPORT_SYMBOL(security_inode_init_security);
EXPORT_SYMBOL(security_old_inode_init_security);
#ifdef CONFIG_SECURITY_PATH
int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
@@ -523,9 +561,14 @@ int security_inode_permission(struct inode *inode, int mask)
int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
{
int ret;
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return 0;
return security_ops->inode_setattr(dentry, attr);
ret = security_ops->inode_setattr(dentry, attr);
if (ret)
return ret;
return evm_inode_setattr(dentry, attr);
}
EXPORT_SYMBOL_GPL(security_inode_setattr);
@@ -539,9 +582,14 @@ int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
int security_inode_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
int ret;
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return 0;
return security_ops->inode_setxattr(dentry, name, value, size, flags);
ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
if (ret)
return ret;
return evm_inode_setxattr(dentry, name, value, size);
}
void security_inode_post_setxattr(struct dentry *dentry, const char *name,
@@ -550,6 +598,7 @@ void security_inode_post_setxattr(struct dentry *dentry, const char *name,
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return;
security_ops->inode_post_setxattr(dentry, name, value, size, flags);
evm_inode_post_setxattr(dentry, name, value, size);
}
int security_inode_getxattr(struct dentry *dentry, const char *name)
@@ -568,9 +617,14 @@ int security_inode_listxattr(struct dentry *dentry)
int security_inode_removexattr(struct dentry *dentry, const char *name)
{
int ret;
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return 0;
return security_ops->inode_removexattr(dentry, name);
ret = security_ops->inode_removexattr(dentry, name);
if (ret)
return ret;
return evm_inode_removexattr(dentry, name);
}
int security_inode_need_killpriv(struct dentry *dentry)