korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-23 20:24:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

VFS: security/: d_backing_inode() annotations

Browse Source 
most of the ->d_inode uses there refer to the same inode IO would
go to, i.e. d_backing_inode()

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells 2015-03-17 22:26:22 +00:00 committed by Al Viro
parent c5ef603528
commit c6f493d631
12 changed files with 105 additions and 105 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
security/apparmor/file.c
View File

@ -259,7 +259,7 @@ unsigned int aa_str_perms(struct aa_dfa *dfa, unsigned int start,
*/
static inline bool is_deleted(struct dentry *dentry)
{
if (d_unlinked(dentry) && dentry->d_inode->i_nlink == 0)
if (d_unlinked(dentry) && d_backing_inode(dentry)->i_nlink == 0)
return 1;
return 0;
}
@ -351,8 +351,8 @@ int aa_path_link(struct aa_profile *profile, struct dentry *old_dentry,
struct path link = { new_dir->mnt, new_dentry };
struct path target = { new_dir->mnt, old_dentry };
struct path_cond cond = {
old_dentry->d_inode->i_uid,
old_dentry->d_inode->i_mode
d_backing_inode(old_dentry)->i_uid,
d_backing_inode(old_dentry)->i_mode
};
char *buffer = NULL, *buffer2 = NULL;
const char *lname, *tname = NULL, *info = NULL;

18
security/apparmor/lsm.c
View File

@ -204,8 +204,8 @@ static int common_perm_mnt_dentry(int op, struct vfsmount *mnt,
struct dentry *dentry, u32 mask)
{
struct path path = { mnt, dentry };
struct path_cond cond = { dentry->d_inode->i_uid,
dentry->d_inode->i_mode
struct path_cond cond = { d_backing_inode(dentry)->i_uid,
d_backing_inode(dentry)->i_mode
};
return common_perm(op, &path, mask, &cond);
@ -223,7 +223,7 @@ static int common_perm_mnt_dentry(int op, struct vfsmount *mnt,
static int common_perm_rm(int op, struct path *dir,
struct dentry *dentry, u32 mask)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
struct path_cond cond = { };
if (!inode || !dir->mnt || !mediated_filesystem(dentry))
@ -281,8 +281,8 @@ static int apparmor_path_mknod(struct path *dir, struct dentry *dentry,
static int apparmor_path_truncate(struct path *path)
{
struct path_cond cond = { path->dentry->d_inode->i_uid,
path->dentry->d_inode->i_mode
struct path_cond cond = { d_backing_inode(path->dentry)->i_uid,
d_backing_inode(path->dentry)->i_mode
};
if (!path->mnt || !mediated_filesystem(path->dentry))
@ -327,8 +327,8 @@ static int apparmor_path_rename(struct path *old_dir, struct dentry *old_dentry,
if (!unconfined(profile)) {
struct path old_path = { old_dir->mnt, old_dentry };
struct path new_path = { new_dir->mnt, new_dentry };
struct path_cond cond = { old_dentry->d_inode->i_uid,
old_dentry->d_inode->i_mode
struct path_cond cond = { d_backing_inode(old_dentry)->i_uid,
d_backing_inode(old_dentry)->i_mode
};
error = aa_path_perm(OP_RENAME_SRC, profile, &old_path, 0,
@ -354,8 +354,8 @@ static int apparmor_path_chmod(struct path *path, umode_t mode)
static int apparmor_path_chown(struct path *path, kuid_t uid, kgid_t gid)
{
struct path_cond cond = { path->dentry->d_inode->i_uid,
path->dentry->d_inode->i_mode
struct path_cond cond = { d_backing_inode(path->dentry)->i_uid,
d_backing_inode(path->dentry)->i_mode
};
if (!mediated_filesystem(path->dentry))

6
security/commoncap.c
View File

@ -297,7 +297,7 @@ static inline void bprm_clear_caps(struct linux_binprm *bprm)
*/
int cap_inode_need_killpriv(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
int error;
if (!inode->i_op->getxattr)
@ -319,7 +319,7 @@ int cap_inode_need_killpriv(struct dentry *dentry)
*/
int cap_inode_killpriv(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
if (!inode->i_op->removexattr)
return 0;
@ -375,7 +375,7 @@ static inline int bprm_caps_from_vfs_caps(struct cpu_vfs_cap_data *caps,
*/
int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
__u32 magic_etc;
unsigned tocopy, i;
int size;

4
security/integrity/evm/evm_crypto.c
View File

@ -131,7 +131,7 @@ static int evm_calc_hmac_or_hash(struct dentry *dentry,
size_t req_xattr_value_len,
char type, char *digest)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
struct shash_desc *desc;
char **xattrname;
size_t xattr_size = 0;
@ -199,7 +199,7 @@ int evm_calc_hash(struct dentry *dentry, const char *req_xattr_name,
int evm_update_evmxattr(struct dentry *dentry, const char *xattr_name,
const char *xattr_value, size_t xattr_value_len)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
struct evm_ima_xattr_data xattr_data;
int rc = 0;

18
security/integrity/evm/evm_main.c
View File

@ -72,7 +72,7 @@ static void __init evm_init_config(void)
static int evm_find_protected_xattrs(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
char **xattr;
int error;
int count = 0;
@ -165,8 +165,8 @@ static enum integrity_status evm_verify_hmac(struct dentry *dentry,
/* Replace RSA with HMAC if not mounted readonly and
* not immutable
*/
if (!IS_RDONLY(dentry->d_inode) &&
!IS_IMMUTABLE(dentry->d_inode))
if (!IS_RDONLY(d_backing_inode(dentry)) &&
!IS_IMMUTABLE(d_backing_inode(dentry)))
evm_update_evmxattr(dentry, xattr_name,
xattr_value,
xattr_value_len);
@ -235,7 +235,7 @@ enum integrity_status evm_verifyxattr(struct dentry *dentry,
return INTEGRITY_UNKNOWN;
if (!iint) {
iint = integrity_iint_find(dentry->d_inode);
iint = integrity_iint_find(d_backing_inode(dentry));
if (!iint)
return INTEGRITY_UNKNOWN;
}
@ -253,7 +253,7 @@ EXPORT_SYMBOL_GPL(evm_verifyxattr);
*/
static enum integrity_status evm_verify_current_integrity(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
if (!evm_initialized || !S_ISREG(inode->i_mode) || evm_fixmode)
return 0;
@ -293,13 +293,13 @@ static int evm_protect_xattr(struct dentry *dentry, const char *xattr_name,
if (evm_status == INTEGRITY_NOXATTRS) {
struct integrity_iint_cache *iint;
iint = integrity_iint_find(dentry->d_inode);
iint = integrity_iint_find(d_backing_inode(dentry));
if (iint && (iint->flags & IMA_NEW_FILE))
return 0;
}
out:
if (evm_status != INTEGRITY_PASS)
integrity_audit_msg(AUDIT_INTEGRITY_METADATA, dentry->d_inode,
integrity_audit_msg(AUDIT_INTEGRITY_METADATA, d_backing_inode(dentry),
dentry->d_name.name, "appraise_metadata",
integrity_status_msg[evm_status],
-EPERM, 0);
@ -379,7 +379,7 @@ void evm_inode_post_setxattr(struct dentry *dentry, const char *xattr_name,
*/
void evm_inode_post_removexattr(struct dentry *dentry, const char *xattr_name)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
if (!evm_initialized || !evm_protected_xattr(xattr_name))
return;
@ -404,7 +404,7 @@ int evm_inode_setattr(struct dentry *dentry, struct iattr *attr)
if ((evm_status == INTEGRITY_PASS) ||
(evm_status == INTEGRITY_NOXATTRS))
return 0;
integrity_audit_msg(AUDIT_INTEGRITY_METADATA, dentry->d_inode,
integrity_audit_msg(AUDIT_INTEGRITY_METADATA, d_backing_inode(dentry),
dentry->d_name.name, "appraise_metadata",
integrity_status_msg[evm_status], -EPERM, 0);
return -EPERM;

10
security/integrity/ima/ima_appraise.c
View File

@ -165,7 +165,7 @@ void ima_get_hash_algo(struct evm_ima_xattr_data *xattr_value, int xattr_len,
int ima_read_xattr(struct dentry *dentry,
struct evm_ima_xattr_data **xattr_value)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
if (!inode->i_op->getxattr)
return 0;
@ -190,7 +190,7 @@ int ima_appraise_measurement(int func, struct integrity_iint_cache *iint,
static const char op[] = "appraise_data";
char *cause = "unknown";
struct dentry *dentry = file->f_path.dentry;
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
enum integrity_status status = INTEGRITY_UNKNOWN;
int rc = xattr_len, hash_start = 0;
@ -314,7 +314,7 @@ void ima_update_xattr(struct integrity_iint_cache *iint, struct file *file)
*/
void ima_inode_post_setattr(struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
struct integrity_iint_cache *iint;
int must_appraise, rc;
@ -380,7 +380,7 @@ int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
if (result == 1) {
if (!xattr_value_len || (xvalue->type >= IMA_XATTR_LAST))
return -EINVAL;
ima_reset_appraise_flags(dentry->d_inode,
ima_reset_appraise_flags(d_backing_inode(dentry),
(xvalue->type == EVM_IMA_XATTR_DIGSIG) ? 1 : 0);
result = 0;
}
@ -393,7 +393,7 @@ int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name)
result = ima_protect_xattr(dentry, xattr_name, NULL, 0);
if (result == 1) {
ima_reset_appraise_flags(dentry->d_inode, 0);
ima_reset_appraise_flags(d_backing_inode(dentry), 0);
result = 0;
}
return result;

4
security/lsm_audit.c
View File

@ -237,7 +237,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
audit_log_d_path(ab, " path=", &a->u.path);
inode = a->u.path.dentry->d_inode;
inode = d_backing_inode(a->u.path.dentry);
if (inode) {
audit_log_format(ab, " dev=");
audit_log_untrustedstring(ab, inode->i_sb->s_id);
@ -251,7 +251,7 @@ static void dump_common_audit_data(struct audit_buffer *ab,
audit_log_format(ab, " name=");
audit_log_untrustedstring(ab, a->u.dentry->d_name.name);
inode = a->u.dentry->d_inode;
inode = d_backing_inode(a->u.dentry);
if (inode) {
audit_log_format(ab, " dev=");
audit_log_untrustedstring(ab, inode->i_sb->s_id);

50
security/security.c
View File

@ -410,7 +410,7 @@ EXPORT_SYMBOL(security_old_inode_init_security);
int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
unsigned int dev)
{
if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
return security_ops->path_mknod(dir, dentry, mode, dev);
}
@ -418,7 +418,7 @@ EXPORT_SYMBOL(security_path_mknod);
int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
{
if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
return security_ops->path_mkdir(dir, dentry, mode);
}
@ -426,14 +426,14 @@ EXPORT_SYMBOL(security_path_mkdir);
int security_path_rmdir(struct path *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
return security_ops->path_rmdir(dir, dentry);
}
int security_path_unlink(struct path *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
return security_ops->path_unlink(dir, dentry);
}
@ -442,7 +442,7 @@ EXPORT_SYMBOL(security_path_unlink);
int security_path_symlink(struct path *dir, struct dentry *dentry,
const char *old_name)
{
if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
return 0;
return security_ops->path_symlink(dir, dentry, old_name);
}
@ -450,7 +450,7 @@ int security_path_symlink(struct path *dir, struct dentry *dentry,
int security_path_link(struct dentry *old_dentry, struct path *new_dir,
struct dentry *new_dentry)
{
if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
return 0;
return security_ops->path_link(old_dentry, new_dir, new_dentry);
}
@ -459,8 +459,8 @@ int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
struct path *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
(new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
(d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
return 0;
if (flags & RENAME_EXCHANGE) {
@ -477,21 +477,21 @@ EXPORT_SYMBOL(security_path_rename);
int security_path_truncate(struct path *path)
{
if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
return security_ops->path_truncate(path);
}
int security_path_chmod(struct path *path, umode_t mode)
{
if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
return security_ops->path_chmod(path, mode);
}
int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
{
if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
return security_ops->path_chown(path, uid, gid);
}
@ -513,14 +513,14 @@ EXPORT_SYMBOL_GPL(security_inode_create);
int security_inode_link(struct dentry *old_dentry, struct inode *dir,
struct dentry *new_dentry)
{
if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
return 0;
return security_ops->inode_link(old_dentry, dir, new_dentry);
}
int security_inode_unlink(struct inode *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return security_ops->inode_unlink(dir, dentry);
}
@ -543,7 +543,7 @@ EXPORT_SYMBOL_GPL(security_inode_mkdir);
int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return security_ops->inode_rmdir(dir, dentry);
}
@ -559,8 +559,8 @@ int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
unsigned int flags)
{
if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
(new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
(d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
return 0;
if (flags & RENAME_EXCHANGE) {
@ -576,14 +576,14 @@ int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
int security_inode_readlink(struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return security_ops->inode_readlink(dentry);
}
int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return security_ops->inode_follow_link(dentry, nd);
}
@ -599,7 +599,7 @@ int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
{
int ret;
if (unlikely(IS_PRIVATE(dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
ret = security_ops->inode_setattr(dentry, attr);
if (ret)
@ -610,7 +610,7 @@ EXPORT_SYMBOL_GPL(security_inode_setattr);
int security_inode_getattr(const struct path *path)
{
if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
return 0;
return security_ops->inode_getattr(path);
}
@ -620,7 +620,7 @@ int security_inode_setxattr(struct dentry *dentry, const char *name,
{
int ret;
if (unlikely(IS_PRIVATE(dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
if (ret)
@ -634,7 +634,7 @@ int security_inode_setxattr(struct dentry *dentry, const char *name,
void security_inode_post_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return;
security_ops->inode_post_setxattr(dentry, name, value, size, flags);
evm_inode_post_setxattr(dentry, name, value, size);
@ -642,14 +642,14 @@ void security_inode_post_setxattr(struct dentry *dentry, const char *name,
int security_inode_getxattr(struct dentry *dentry, const char *name)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return security_ops->inode_getxattr(dentry, name);
}
int security_inode_listxattr(struct dentry *dentry)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
return security_ops->inode_listxattr(dentry);
}
@ -658,7 +658,7 @@ int security_inode_removexattr(struct dentry *dentry, const char *name)
{
int ret;
if (unlikely(IS_PRIVATE(dentry->d_inode)))
if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
return 0;
ret = security_ops->inode_removexattr(dentry, name);
if (ret)

36
security/selinux/hooks.c
View File

@ -414,7 +414,7 @@ static int sb_finish_set_opts(struct super_block *sb)
{
struct superblock_security_struct *sbsec = sb->s_security;
struct dentry *root = sb->s_root;
struct inode *root_inode = root->d_inode;
struct inode *root_inode = d_backing_inode(root);
int rc = 0;
if (sbsec->behavior == SECURITY_FS_USE_XATTR) {
@ -552,7 +552,7 @@ static int selinux_get_mnt_opts(const struct super_block *sb,
opts->mnt_opts_flags[i++] = DEFCONTEXT_MNT;
}
if (sbsec->flags & ROOTCONTEXT_MNT) {
struct inode *root = sbsec->sb->s_root->d_inode;
struct inode *root = d_backing_inode(sbsec->sb->s_root);
struct inode_security_struct *isec = root->i_security;
rc = security_sid_to_context(isec->sid, &context, &len);
@ -608,7 +608,7 @@ static int selinux_set_mnt_opts(struct super_block *sb,
int rc = 0, i;
struct superblock_security_struct *sbsec = sb->s_security;
const char *name = sb->s_type->name;
struct inode *inode = sbsec->sb->s_root->d_inode;
struct inode *inode = d_backing_inode(sbsec->sb->s_root);
struct inode_security_struct *root_isec = inode->i_security;
u32 fscontext_sid = 0, context_sid = 0, rootcontext_sid = 0;
u32 defcontext_sid = 0;
@ -835,8 +835,8 @@ static int selinux_cmp_sb_context(const struct super_block *oldsb,
if ((oldflags & DEFCONTEXT_MNT) && old->def_sid != new->def_sid)
goto mismatch;
if (oldflags & ROOTCONTEXT_MNT) {
struct inode_security_struct *oldroot = oldsb->s_root->d_inode->i_security;
struct inode_security_struct *newroot = newsb->s_root->d_inode->i_security;
struct inode_security_struct *oldroot = d_backing_inode(oldsb->s_root)->i_security;
struct inode_security_struct *newroot = d_backing_inode(newsb->s_root)->i_security;
if (oldroot->sid != newroot->sid)
goto mismatch;
}
@ -886,16 +886,16 @@ static int selinux_sb_clone_mnt_opts(const struct super_block *oldsb,
if (!set_fscontext)
newsbsec->sid = sid;
if (!set_rootcontext) {
struct inode *newinode = newsb->s_root->d_inode;
struct inode *newinode = d_backing_inode(newsb->s_root);
struct inode_security_struct *newisec = newinode->i_security;
newisec->sid = sid;
}
newsbsec->mntpoint_sid = sid;
}
if (set_rootcontext) {
const struct inode *oldinode = oldsb->s_root->d_inode;
const struct inode *oldinode = d_backing_inode(oldsb->s_root);
const struct inode_security_struct *oldisec = oldinode->i_security;
struct inode *newinode = newsb->s_root->d_inode;
struct inode *newinode = d_backing_inode(newsb->s_root);
struct inode_security_struct *newisec = newinode->i_security;
newisec->sid = oldisec->sid;
@ -1610,7 +1610,7 @@ static inline int dentry_has_perm(const struct cred *cred,
struct dentry *dentry,
u32 av)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
struct common_audit_data ad;
ad.type = LSM_AUDIT_DATA_DENTRY;
@ -1625,7 +1625,7 @@ static inline int path_has_perm(const struct cred *cred,
const struct path *path,
u32 av)
{
struct inode *inode = path->dentry->d_inode;
struct inode *inode = d_backing_inode(path->dentry);
struct common_audit_data ad;
ad.type = LSM_AUDIT_DATA_PATH;
@ -1753,7 +1753,7 @@ static int may_link(struct inode *dir,
int rc;
dsec = dir->i_security;
isec = dentry->d_inode->i_security;
isec = d_backing_inode(dentry)->i_security;
ad.type = LSM_AUDIT_DATA_DENTRY;
ad.u.dentry = dentry;
@ -1797,7 +1797,7 @@ static inline int may_rename(struct inode *old_dir,
int rc;
old_dsec = old_dir->i_security;
old_isec = old_dentry->d_inode->i_security;
old_isec = d_backing_inode(old_dentry)->i_security;
old_is_dir = d_is_dir(old_dentry);
new_dsec = new_dir->i_security;
@ -1827,7 +1827,7 @@ static inline int may_rename(struct inode *old_dir,
if (rc)
return rc;
if (d_is_positive(new_dentry)) {
new_isec = new_dentry->d_inode->i_security;
new_isec = d_backing_inode(new_dentry)->i_security;
new_is_dir = d_is_dir(new_dentry);
rc = avc_has_perm(sid, new_isec->sid,
new_isec->sclass,
@ -1963,7 +1963,7 @@ static int selinux_binder_transfer_file(struct task_struct *from,
{
u32 sid = task_sid(to);
struct file_security_struct *fsec = file->f_security;
struct inode *inode = file->f_path.dentry->d_inode;
struct inode *inode = d_backing_inode(file->f_path.dentry);
struct inode_security_struct *isec = inode->i_security;
struct common_audit_data ad;
int rc;
@ -2627,7 +2627,7 @@ static int selinux_sb_remount(struct super_block *sb, void *data)
break;
case ROOTCONTEXT_MNT: {
struct inode_security_struct *root_isec;
root_isec = sb->s_root->d_inode->i_security;
root_isec = d_backing_inode(sb->s_root)->i_security;
if (bad_option(sbsec, ROOTCONTEXT_MNT, root_isec->sid, sid))
goto out_bad_option;
@ -2727,7 +2727,7 @@ static int selinux_dentry_init_security(struct dentry *dentry, int mode,
struct task_security_struct *tsec;
struct inode_security_struct *dsec;
struct superblock_security_struct *sbsec;
struct inode *dir = dentry->d_parent->d_inode;
struct inode *dir = d_backing_inode(dentry->d_parent);
u32 newsid;
int rc;
@ -2982,7 +2982,7 @@ static int selinux_inode_setotherxattr(struct dentry *dentry, const char *name)
static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
struct inode_security_struct *isec = inode->i_security;
struct superblock_security_struct *sbsec;
struct common_audit_data ad;
@ -3059,7 +3059,7 @@ static void selinux_inode_post_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size,
int flags)
{
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
struct inode_security_struct *isec = inode->i_security;
u32 newsid;
int rc;

46
security/smack/smack_lsm.c
View File

@ -555,7 +555,7 @@ static int smack_sb_copy_data(char *orig, char *smackopts)
static int smack_sb_kern_mount(struct super_block *sb, int flags, void *data)
{
struct dentry *root = sb->s_root;
struct inode *inode = root->d_inode;
struct inode *inode = d_backing_inode(root);
struct superblock_smack *sp = sb->s_security;
struct inode_smack *isp;
struct smack_known *skp;
@ -851,15 +851,15 @@ static int smack_inode_link(struct dentry *old_dentry, struct inode *dir,
smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_DENTRY);
smk_ad_setfield_u_fs_path_dentry(&ad, old_dentry);
isp = smk_of_inode(old_dentry->d_inode);
isp = smk_of_inode(d_backing_inode(old_dentry));
rc = smk_curacc(isp, MAY_WRITE, &ad);
rc = smk_bu_inode(old_dentry->d_inode, MAY_WRITE, rc);
rc = smk_bu_inode(d_backing_inode(old_dentry), MAY_WRITE, rc);
if (rc == 0 && d_is_positive(new_dentry)) {
isp = smk_of_inode(new_dentry->d_inode);
isp = smk_of_inode(d_backing_inode(new_dentry));
smk_ad_setfield_u_fs_path_dentry(&ad, new_dentry);
rc = smk_curacc(isp, MAY_WRITE, &ad);
rc = smk_bu_inode(new_dentry->d_inode, MAY_WRITE, rc);
rc = smk_bu_inode(d_backing_inode(new_dentry), MAY_WRITE, rc);
}
return rc;
@ -875,7 +875,7 @@ static int smack_inode_link(struct dentry *old_dentry, struct inode *dir,
*/
static int smack_inode_unlink(struct inode *dir, struct dentry *dentry)
{
struct inode *ip = dentry->d_inode;
struct inode *ip = d_backing_inode(dentry);
struct smk_audit_info ad;
int rc;
@ -918,8 +918,8 @@ static int smack_inode_rmdir(struct inode *dir, struct dentry *dentry)
/*
* You need write access to the thing you're removing
*/
rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE, &ad);
rc = smk_bu_inode(dentry->d_inode, MAY_WRITE, rc);
rc = smk_curacc(smk_of_inode(d_backing_inode(dentry)), MAY_WRITE, &ad);
rc = smk_bu_inode(d_backing_inode(dentry), MAY_WRITE, rc);
if (rc == 0) {
/*
* You also need write access to the containing directory
@ -957,15 +957,15 @@ static int smack_inode_rename(struct inode *old_inode,
smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_DENTRY);
smk_ad_setfield_u_fs_path_dentry(&ad, old_dentry);
isp = smk_of_inode(old_dentry->d_inode);
isp = smk_of_inode(d_backing_inode(old_dentry));
rc = smk_curacc(isp, MAY_READWRITE, &ad);
rc = smk_bu_inode(old_dentry->d_inode, MAY_READWRITE, rc);
rc = smk_bu_inode(d_backing_inode(old_dentry), MAY_READWRITE, rc);
if (rc == 0 && d_is_positive(new_dentry)) {
isp = smk_of_inode(new_dentry->d_inode);
isp = smk_of_inode(d_backing_inode(new_dentry));
smk_ad_setfield_u_fs_path_dentry(&ad, new_dentry);
rc = smk_curacc(isp, MAY_READWRITE, &ad);
rc = smk_bu_inode(new_dentry->d_inode, MAY_READWRITE, rc);
rc = smk_bu_inode(d_backing_inode(new_dentry), MAY_READWRITE, rc);
}
return rc;
}
@ -1022,8 +1022,8 @@ static int smack_inode_setattr(struct dentry *dentry, struct iattr *iattr)
smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_DENTRY);
smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE, &ad);
rc = smk_bu_inode(dentry->d_inode, MAY_WRITE, rc);
rc = smk_curacc(smk_of_inode(d_backing_inode(dentry)), MAY_WRITE, &ad);
rc = smk_bu_inode(d_backing_inode(dentry), MAY_WRITE, rc);
return rc;
}
@ -1037,7 +1037,7 @@ static int smack_inode_setattr(struct dentry *dentry, struct iattr *iattr)
static int smack_inode_getattr(const struct path *path)
{
struct smk_audit_info ad;
struct inode *inode = path->dentry->d_inode;
struct inode *inode = d_backing_inode(path->dentry);
int rc;
smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH);
@ -1104,8 +1104,8 @@ static int smack_inode_setxattr(struct dentry *dentry, const char *name,
smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
if (rc == 0) {
rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE, &ad);
rc = smk_bu_inode(dentry->d_inode, MAY_WRITE, rc);
rc = smk_curacc(smk_of_inode(d_backing_inode(dentry)), MAY_WRITE, &ad);
rc = smk_bu_inode(d_backing_inode(dentry), MAY_WRITE, rc);
}
return rc;
@ -1126,7 +1126,7 @@ static void smack_inode_post_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
struct smack_known *skp;
struct inode_smack *isp = dentry->d_inode->i_security;
struct inode_smack *isp = d_backing_inode(dentry)->i_security;
if (strcmp(name, XATTR_NAME_SMACKTRANSMUTE) == 0) {
isp->smk_flags |= SMK_INODE_TRANSMUTE;
@ -1171,8 +1171,8 @@ static int smack_inode_getxattr(struct dentry *dentry, const char *name)
smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_DENTRY);
smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_READ, &ad);
rc = smk_bu_inode(dentry->d_inode, MAY_READ, rc);
rc = smk_curacc(smk_of_inode(d_backing_inode(dentry)), MAY_READ, &ad);
rc = smk_bu_inode(d_backing_inode(dentry), MAY_READ, rc);
return rc;
}
@ -1208,12 +1208,12 @@ static int smack_inode_removexattr(struct dentry *dentry, const char *name)
smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_DENTRY);
smk_ad_setfield_u_fs_path_dentry(&ad, dentry);
rc = smk_curacc(smk_of_inode(dentry->d_inode), MAY_WRITE, &ad);
rc = smk_bu_inode(dentry->d_inode, MAY_WRITE, rc);
rc = smk_curacc(smk_of_inode(d_backing_inode(dentry)), MAY_WRITE, &ad);
rc = smk_bu_inode(d_backing_inode(dentry), MAY_WRITE, rc);
if (rc != 0)
return rc;
isp = dentry->d_inode->i_security;
isp = d_backing_inode(dentry)->i_security;
/*
* Don't do anything special for these.
* XATTR_NAME_SMACKIPIN

2
security/tomoyo/condition.c
View File

@ -714,7 +714,7 @@ void tomoyo_get_attributes(struct tomoyo_obj_info *obj)
dentry = dget_parent(dentry);
break;
}
inode = dentry->d_inode;
inode = d_backing_inode(dentry);
if (inode) {
struct tomoyo_mini_stat *stat = &obj->stat[i];
stat->uid = inode->i_uid;

10
security/tomoyo/realpath.c
View File

@ -97,7 +97,7 @@ static char *tomoyo_get_absolute_path(const struct path *path, char * const buff
/* go to whatever namespace root we are under */
pos = d_absolute_path(path, buffer, buflen - 1);
if (!IS_ERR(pos) && *pos == '/' && pos[1]) {
struct inode *inode = path->dentry->d_inode;
struct inode *inode = d_backing_inode(path->dentry);
if (inode && S_ISDIR(inode->i_mode)) {
buffer[buflen - 2] = '/';
buffer[buflen - 1] = '\0';
@ -125,7 +125,7 @@ static char *tomoyo_get_dentry_path(struct dentry *dentry, char * const buffer,
if (buflen >= 256) {
pos = dentry_path_raw(dentry, buffer, buflen - 1);
if (!IS_ERR(pos) && *pos == '/' && pos[1]) {
struct inode *inode = dentry->d_inode;
struct inode *inode = d_backing_inode(dentry);
if (inode && S_ISDIR(inode->i_mode)) {
buffer[buflen - 2] = '/';
buffer[buflen - 1] = '\0';
@ -168,7 +168,7 @@ static char *tomoyo_get_local_path(struct dentry *dentry, char * const buffer,
if (!MAJOR(sb->s_dev))
goto prepend_filesystem_name;
{
struct inode *inode = sb->s_root->d_inode;
struct inode *inode = d_backing_inode(sb->s_root);
/*
* Use filesystem name if filesystem does not support rename()
* operation.
@ -219,7 +219,7 @@ out:
static char *tomoyo_get_socket_name(const struct path *path, char * const buffer,
const int buflen)
{
struct inode *inode = path->dentry->d_inode;
struct inode *inode = d_backing_inode(path->dentry);
struct socket *sock = inode ? SOCKET_I(inode) : NULL;
struct sock *sk = sock ? sock->sk : NULL;
if (sk) {
@ -277,7 +277,7 @@ char *tomoyo_realpath_from_path(const struct path *path)
pos = dentry->d_op->d_dname(dentry, buf, buf_len - 1);
goto encode;
}
inode = sb->s_root->d_inode;
inode = d_backing_inode(sb->s_root);
/*
* Get local name for filesystems without rename() operation
* or dentry without vfsmount.