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Diffstat (limited to 'fs')
-rw-r--r--fs/exec.c4
-rw-r--r--fs/file_table.c2
-rw-r--r--fs/inode.c10
-rw-r--r--fs/namespace.c20
-rw-r--r--fs/open.c27
5 files changed, 30 insertions, 33 deletions
diff --git a/fs/exec.c b/fs/exec.c
index ba112bd4a33..c0c636e34f6 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -46,7 +46,6 @@
#include <linux/proc_fs.h>
#include <linux/mount.h>
#include <linux/security.h>
-#include <linux/ima.h>
#include <linux/syscalls.h>
#include <linux/tsacct_kern.h>
#include <linux/cn_proc.h>
@@ -1209,9 +1208,6 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
retval = security_bprm_check(bprm);
if (retval)
return retval;
- retval = ima_bprm_check(bprm);
- if (retval)
- return retval;
/* kernel module loader fixup */
/* so we don't try to load run modprobe in kernel space. */
diff --git a/fs/file_table.c b/fs/file_table.c
index 8eb44042e00..4bef4c01ec6 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -13,7 +13,6 @@
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/security.h>
-#include <linux/ima.h>
#include <linux/eventpoll.h>
#include <linux/rcupdate.h>
#include <linux/mount.h>
@@ -280,7 +279,6 @@ void __fput(struct file *file)
if (file->f_op && file->f_op->release)
file->f_op->release(inode, file);
security_file_free(file);
- ima_file_free(file);
if (unlikely(S_ISCHR(inode->i_mode) && inode->i_cdev != NULL))
cdev_put(inode->i_cdev);
fops_put(file->f_op);
diff --git a/fs/inode.c b/fs/inode.c
index 4d8e3be5597..06c1f02de61 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -18,7 +18,6 @@
#include <linux/hash.h>
#include <linux/swap.h>
#include <linux/security.h>
-#include <linux/ima.h>
#include <linux/pagemap.h>
#include <linux/cdev.h>
#include <linux/bootmem.h>
@@ -157,11 +156,6 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
if (security_inode_alloc(inode))
goto out;
-
- /* allocate and initialize an i_integrity */
- if (ima_inode_alloc(inode))
- goto out_free_security;
-
spin_lock_init(&inode->i_lock);
lockdep_set_class(&inode->i_lock, &sb->s_type->i_lock_key);
@@ -201,9 +195,6 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
#endif
return 0;
-
-out_free_security:
- security_inode_free(inode);
out:
return -ENOMEM;
}
@@ -235,7 +226,6 @@ static struct inode *alloc_inode(struct super_block *sb)
void __destroy_inode(struct inode *inode)
{
BUG_ON(inode_has_buffers(inode));
- ima_inode_free(inode);
security_inode_free(inode);
fsnotify_inode_delete(inode);
#ifdef CONFIG_FS_POSIX_ACL
diff --git a/fs/namespace.c b/fs/namespace.c
index bdc3cb4fd22..7d70d63ceb2 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1921,6 +1921,16 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
if (data_page)
((char *)data_page)[PAGE_SIZE - 1] = 0;
+ /* ... and get the mountpoint */
+ retval = kern_path(dir_name, LOOKUP_FOLLOW, &path);
+ if (retval)
+ return retval;
+
+ retval = security_sb_mount(dev_name, &path,
+ type_page, flags, data_page);
+ if (retval)
+ goto dput_out;
+
/* Default to relatime unless overriden */
if (!(flags & MS_NOATIME))
mnt_flags |= MNT_RELATIME;
@@ -1945,16 +1955,6 @@ long do_mount(char *dev_name, char *dir_name, char *type_page,
MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
MS_STRICTATIME);
- /* ... and get the mountpoint */
- retval = kern_path(dir_name, LOOKUP_FOLLOW, &path);
- if (retval)
- return retval;
-
- retval = security_sb_mount(dev_name, &path,
- type_page, flags, data_page);
- if (retval)
- goto dput_out;
-
if (flags & MS_REMOUNT)
retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
data_page);
diff --git a/fs/open.c b/fs/open.c
index 4f01e06227c..b4b31d277f3 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -587,6 +587,9 @@ SYSCALL_DEFINE1(chroot, const char __user *, filename)
error = -EPERM;
if (!capable(CAP_SYS_CHROOT))
goto dput_and_out;
+ error = security_path_chroot(&path);
+ if (error)
+ goto dput_and_out;
set_fs_root(current->fs, &path);
error = 0;
@@ -617,11 +620,15 @@ SYSCALL_DEFINE2(fchmod, unsigned int, fd, mode_t, mode)
if (err)
goto out_putf;
mutex_lock(&inode->i_mutex);
+ err = security_path_chmod(dentry, file->f_vfsmnt, mode);
+ if (err)
+ goto out_unlock;
if (mode == (mode_t) -1)
mode = inode->i_mode;
newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
err = notify_change(dentry, &newattrs);
+out_unlock:
mutex_unlock(&inode->i_mutex);
mnt_drop_write(file->f_path.mnt);
out_putf:
@@ -646,11 +653,15 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, mode_t, mode)
if (error)
goto dput_and_out;
mutex_lock(&inode->i_mutex);
+ error = security_path_chmod(path.dentry, path.mnt, mode);
+ if (error)
+ goto out_unlock;
if (mode == (mode_t) -1)
mode = inode->i_mode;
newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
error = notify_change(path.dentry, &newattrs);
+out_unlock:
mutex_unlock(&inode->i_mutex);
mnt_drop_write(path.mnt);
dput_and_out:
@@ -664,9 +675,9 @@ SYSCALL_DEFINE2(chmod, const char __user *, filename, mode_t, mode)
return sys_fchmodat(AT_FDCWD, filename, mode);
}
-static int chown_common(struct dentry * dentry, uid_t user, gid_t group)
+static int chown_common(struct path *path, uid_t user, gid_t group)
{
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = path->dentry->d_inode;
int error;
struct iattr newattrs;
@@ -683,7 +694,9 @@ static int chown_common(struct dentry * dentry, uid_t user, gid_t group)
newattrs.ia_valid |=
ATTR_KILL_SUID | ATTR_KILL_SGID | ATTR_KILL_PRIV;
mutex_lock(&inode->i_mutex);
- error = notify_change(dentry, &newattrs);
+ error = security_path_chown(path, user, group);
+ if (!error)
+ error = notify_change(path->dentry, &newattrs);
mutex_unlock(&inode->i_mutex);
return error;
@@ -700,7 +713,7 @@ SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group)
error = mnt_want_write(path.mnt);
if (error)
goto out_release;
- error = chown_common(path.dentry, user, group);
+ error = chown_common(&path, user, group);
mnt_drop_write(path.mnt);
out_release:
path_put(&path);
@@ -725,7 +738,7 @@ SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
error = mnt_want_write(path.mnt);
if (error)
goto out_release;
- error = chown_common(path.dentry, user, group);
+ error = chown_common(&path, user, group);
mnt_drop_write(path.mnt);
out_release:
path_put(&path);
@@ -744,7 +757,7 @@ SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group
error = mnt_want_write(path.mnt);
if (error)
goto out_release;
- error = chown_common(path.dentry, user, group);
+ error = chown_common(&path, user, group);
mnt_drop_write(path.mnt);
out_release:
path_put(&path);
@@ -767,7 +780,7 @@ SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
goto out_fput;
dentry = file->f_path.dentry;
audit_inode(NULL, dentry);
- error = chown_common(dentry, user, group);
+ error = chown_common(&file->f_path, user, group);
mnt_drop_write(file->f_path.mnt);
out_fput:
fput(file);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-01-08 17:46:15 +0000