C++ (Cpp) jffs2_set_acl Examples

Example #1

static int jffs2_acl_setxattr(struct dentry *dentry, const char *name,
		const void *value, size_t size, int flags, int type)
{
	struct posix_acl *acl;
	int rc;

	if (name[0] != '\0')
		return -EINVAL;
	if (!inode_owner_or_capable(dentry->d_inode))
		return -EPERM;

	if (value) {
		acl = posix_acl_from_xattr(value, size);
		if (IS_ERR(acl))
			return PTR_ERR(acl);
		if (acl) {
			rc = posix_acl_valid(acl);
			if (rc)
				goto out;
		}
	} else {
		acl = NULL;
	}
	rc = jffs2_set_acl(dentry->d_inode, type, acl);
 out:
	posix_acl_release(acl);
	return rc;
}

Example #2

File: acl.c Project: 3sOx/asuswrt-merlin

static int jffs2_acl_setxattr(struct inode *inode, int type, const void *value, size_t size)
{
	struct posix_acl *acl;
	int rc;

	if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
		return -EPERM;

	if (value) {
		acl = posix_acl_from_xattr(value, size);
		if (IS_ERR(acl))
			return PTR_ERR(acl);
		if (acl) {
			rc = posix_acl_valid(acl);
			if (rc)
				goto out;
		}
	} else {
		acl = NULL;
	}
	rc = jffs2_set_acl(inode, type, acl);
 out:
	posix_acl_release(acl);
	return rc;
}

Example #3

File: acl.c Project: cilynx/dd-wrt

static int jffs2_acl_setxattr(struct inode *inode, int type, const void *value, size_t size)
{
	struct posix_acl *acl;
	int rc;

	if (!is_owner_or_cap(inode))
		return -EPERM;

	if (value) {
		acl = posix_acl_from_xattr(value, size);
		if (IS_ERR(acl))
			return PTR_ERR(acl);
		if (acl) {
			rc = posix_acl_valid(acl);
			if (rc)
				goto out;
		}
	} else {
		acl = NULL;
	}
	rc = jffs2_set_acl(inode, type, acl);
 out:
	posix_acl_release(acl);
	return rc;
}

Example #4

File: acl.c Project: 3sOx/asuswrt-merlin

int jffs2_init_acl(struct inode *inode, struct inode *dir)
{
	struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
	struct posix_acl *acl = NULL, *clone;
	mode_t mode;
	int rc = 0;

	f->i_acl_access = JFFS2_ACL_NOT_CACHED;
	f->i_acl_default = JFFS2_ACL_NOT_CACHED;
	if (!S_ISLNK(inode->i_mode)) {
		acl = jffs2_get_acl(dir, ACL_TYPE_DEFAULT);
		if (IS_ERR(acl))
			return PTR_ERR(acl);
		if (!acl)
			inode->i_mode &= ~current->fs->umask;
	}
	if (acl) {
		if (S_ISDIR(inode->i_mode)) {
			rc = jffs2_set_acl(inode, ACL_TYPE_DEFAULT, acl);
			if (rc)
				goto cleanup;
		}
		clone = posix_acl_clone(acl, GFP_KERNEL);
		rc = -ENOMEM;
		if (!clone)
			goto cleanup;
		mode = inode->i_mode;
		rc = posix_acl_create_masq(clone, &mode);
		if (rc >= 0) {
			inode->i_mode = mode;
			if (rc > 0)
				rc = jffs2_set_acl(inode, ACL_TYPE_ACCESS, clone);
		}
		posix_acl_release(clone);
	}
 cleanup:
	posix_acl_release(acl);
	return rc;
}

Example #5

File: acl.c Project: AD5GB/kernel_n5_3.10-experimental

int jffs2_acl_chmod(struct inode *inode)
{
	struct posix_acl *acl;
	int rc;

	if (S_ISLNK(inode->i_mode))
		return -EOPNOTSUPP;
	acl = jffs2_get_acl(inode, ACL_TYPE_ACCESS);
	if (IS_ERR(acl) || !acl)
		return PTR_ERR(acl);
	rc = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
	if (rc)
		return rc;
	rc = jffs2_set_acl(inode, ACL_TYPE_ACCESS, acl);
	posix_acl_release(acl);
	return rc;
}

Example #6

int jffs2_acl_chmod(struct inode *inode)
{
	struct posix_acl *acl, *clone;
	int rc;

	if (S_ISLNK(inode->i_mode))
		return -EOPNOTSUPP;
	acl = jffs2_get_acl(inode, ACL_TYPE_ACCESS);
	if (IS_ERR(acl) || !acl)
		return PTR_ERR(acl);
	clone = posix_acl_clone(acl, GFP_KERNEL);
	posix_acl_release(acl);
	if (!clone)
		return -ENOMEM;
	rc = posix_acl_chmod_masq(clone, inode->i_mode);
	if (!rc)
		rc = jffs2_set_acl(inode, ACL_TYPE_ACCESS, clone);
	posix_acl_release(clone);
	return rc;
}