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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:
+65
-11
@@ -16,15 +16,16 @@
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/security.h>
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#include <linux/integrity.h>
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#include <linux/ima.h>
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#include <linux/evm.h>
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#define MAX_LSM_EVM_XATTR 2
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/* Boot-time LSM user choice */
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static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
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CONFIG_DEFAULT_SECURITY;
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/* things that live in capability.c */
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extern void __init security_fixup_ops(struct security_operations *ops);
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static struct security_operations *security_ops;
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static struct security_operations default_security_ops = {
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.name = "default",
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@@ -334,20 +335,57 @@ int security_inode_alloc(struct inode *inode)
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void security_inode_free(struct inode *inode)
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{
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ima_inode_free(inode);
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integrity_inode_free(inode);
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security_ops->inode_free_security(inode);
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}
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int security_inode_init_security(struct inode *inode, struct inode *dir,
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const struct qstr *qstr, char **name,
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void **value, size_t *len)
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const struct qstr *qstr,
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const initxattrs initxattrs, void *fs_data)
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{
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struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
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struct xattr *lsm_xattr, *evm_xattr, *xattr;
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int ret;
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if (unlikely(IS_PRIVATE(inode)))
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return 0;
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memset(new_xattrs, 0, sizeof new_xattrs);
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if (!initxattrs)
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return security_ops->inode_init_security(inode, dir, qstr,
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NULL, NULL, NULL);
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lsm_xattr = new_xattrs;
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ret = security_ops->inode_init_security(inode, dir, qstr,
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&lsm_xattr->name,
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&lsm_xattr->value,
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&lsm_xattr->value_len);
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if (ret)
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goto out;
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evm_xattr = lsm_xattr + 1;
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ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
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if (ret)
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goto out;
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ret = initxattrs(inode, new_xattrs, fs_data);
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out:
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for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
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kfree(xattr->name);
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kfree(xattr->value);
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}
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return (ret == -EOPNOTSUPP) ? 0 : ret;
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}
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EXPORT_SYMBOL(security_inode_init_security);
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int security_old_inode_init_security(struct inode *inode, struct inode *dir,
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const struct qstr *qstr, char **name,
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void **value, size_t *len)
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{
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if (unlikely(IS_PRIVATE(inode)))
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return -EOPNOTSUPP;
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return 0;
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return security_ops->inode_init_security(inode, dir, qstr, name, value,
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len);
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}
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EXPORT_SYMBOL(security_inode_init_security);
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EXPORT_SYMBOL(security_old_inode_init_security);
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#ifdef CONFIG_SECURITY_PATH
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int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
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@@ -523,9 +561,14 @@ int security_inode_permission(struct inode *inode, int mask)
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int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
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{
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int ret;
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if (unlikely(IS_PRIVATE(dentry->d_inode)))
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return 0;
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return security_ops->inode_setattr(dentry, attr);
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ret = security_ops->inode_setattr(dentry, attr);
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if (ret)
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return ret;
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return evm_inode_setattr(dentry, attr);
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}
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EXPORT_SYMBOL_GPL(security_inode_setattr);
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@@ -539,9 +582,14 @@ int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
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int security_inode_setxattr(struct dentry *dentry, const char *name,
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const void *value, size_t size, int flags)
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{
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int ret;
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if (unlikely(IS_PRIVATE(dentry->d_inode)))
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return 0;
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return security_ops->inode_setxattr(dentry, name, value, size, flags);
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ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
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if (ret)
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return ret;
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return evm_inode_setxattr(dentry, name, value, size);
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}
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void security_inode_post_setxattr(struct dentry *dentry, const char *name,
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@@ -550,6 +598,7 @@ void security_inode_post_setxattr(struct dentry *dentry, const char *name,
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if (unlikely(IS_PRIVATE(dentry->d_inode)))
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return;
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security_ops->inode_post_setxattr(dentry, name, value, size, flags);
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evm_inode_post_setxattr(dentry, name, value, size);
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}
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int security_inode_getxattr(struct dentry *dentry, const char *name)
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@@ -568,9 +617,14 @@ int security_inode_listxattr(struct dentry *dentry)
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int security_inode_removexattr(struct dentry *dentry, const char *name)
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{
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int ret;
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if (unlikely(IS_PRIVATE(dentry->d_inode)))
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return 0;
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return security_ops->inode_removexattr(dentry, name);
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ret = security_ops->inode_removexattr(dentry, name);
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if (ret)
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return ret;
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return evm_inode_removexattr(dentry, name);
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}
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int security_inode_need_killpriv(struct dentry *dentry)
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