C++ (Cpp) chown_common示例

示例#1

文件： open.c 项目： 32743069/amlogic_common_3050

SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group)
{
	struct path path;
	int error;

	error = user_lpath(filename, &path);
	if (error)
		goto out;
	error = mnt_want_write(path.mnt);
	if (error)
		goto out_release;
	error = chown_common(&path, user, group);
	mnt_drop_write(path.mnt);
out_release:
	path_put(&path);
out:
	return error;
}

示例#2

asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
			     gid_t group, int flag)
{
	struct nameidata nd;
	int error = -EINVAL;
	int follow;

	if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0)
		goto out;

	follow = (flag & AT_SYMLINK_NOFOLLOW) ? 0 : LOOKUP_FOLLOW;
	error = __user_walk_fd(dfd, filename, follow, &nd);
	if (error)
		goto out;
	error = chown_common(nd.dentry, user, group);
	path_release(&nd);
out:
	return error;
}

示例#3

文件： open.c 项目： wpwrak/ben-wpan-linux

SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
{
	struct fd f = fdget(fd);
	int error = -EBADF;

	if (!f.file)
		goto out;

	error = mnt_want_write_file(f.file);
	if (error)
		goto out_fput;
	audit_inode(NULL, f.file->f_path.dentry, 0);
	error = chown_common(&f.file->f_path, user, group);
	mnt_drop_write_file(f.file);
out_fput:
	fdput(f);
out:
	return error;
}

示例#4

文件： open.c 项目： krzk/linux

int ksys_fchown(unsigned int fd, uid_t user, gid_t group)
{
	struct fd f = fdget(fd);
	int error = -EBADF;

	if (!f.file)
		goto out;

	error = mnt_want_write_file_path(f.file);
	if (error)
		goto out_fput;
	audit_file(f.file);
	error = chown_common(&f.file->f_path, user, group);
	mnt_drop_write_file_path(f.file);
out_fput:
	fdput(f);
out:
	return error;
}

示例#5

文件： open.c 项目： adyjl/DORIMANX_LG_STOCK_LP_KERNEL

SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
{
	struct file *file;
	int error = -EBADF, fput_needed;

	file = fget_light(fd, &fput_needed);
	if (!file)
		goto out;

	error = mnt_want_write_file(file);
	if (error)
		goto out_fput;
	audit_inode(NULL, file->f_path.dentry);
	error = chown_common(&file->f_path, user, group);
	mnt_drop_write_file(file);
out_fput:
	fput_light(file, fput_needed);
out:
	return error;
}

示例#6

文件： open.c 项目： mikeberkelaar/grhardened

SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
{
	struct file * file;
	int error = -EBADF;
	struct dentry * dentry;

	file = fget(fd);
	if (!file)
		goto out;

	error = mnt_want_write(file->f_path.mnt);
	if (error)
		goto out_fput;
	dentry = file->f_path.dentry;
	audit_inode(NULL, dentry);
	error = chown_common(dentry, user, group, file->f_path.mnt);
	mnt_drop_write(file->f_path.mnt);
out_fput:
	fput(file);
out:
	return error;
}

示例#7

文件： open.c 项目： mpalmer/linux-2.6

asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group)
{
	struct file * file;
	int error = -EBADF;
	struct dentry * dentry;

	file = fget(fd);
	if (!file)
		goto out;

	error = mnt_want_write(file->f_path.mnt);
	if (error)
		goto out_fput;
	dentry = file->f_path.dentry;
	audit_inode(NULL, dentry);
	error = chown_common(dentry, user, group);
	mnt_drop_write(file->f_path.mnt);
out_fput:
	fput(file);
out:
	return error;
}

示例#8

文件： open.c 项目： mikeberkelaar/grhardened

SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
		gid_t, group, int, flag)
{
	struct path path;
	int error = -EINVAL;
	int follow;

	if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0)
		goto out;

	follow = (flag & AT_SYMLINK_NOFOLLOW) ? 0 : LOOKUP_FOLLOW;
	error = user_path_at(dfd, filename, follow, &path);
	if (error)
		goto out;
	error = mnt_want_write(path.mnt);
	if (error)
		goto out_release;
	error = chown_common(path.dentry, user, group, path.mnt);
	mnt_drop_write(path.mnt);
out_release:
	path_put(&path);
out:
	return error;
}

示例#9

文件： open.c 项目： SmokyBob/android_kernel_asus_padfone2

SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group)
{
	struct path path;
	int error;

	error = user_path(filename, &path);
	if (error)
		goto out;
//ASUS_BSP +++ Jimmy,Josh "remove fuse"
	if(strcmp(path.mnt->mnt_mountpoint->d_iname,"sdcard")==0){
		error = -ENOSYS;
		goto out_release;
	}
//ASUS_BSP --- Jimmy,Josh "remove fuse"
	error = mnt_want_write(path.mnt);
	if (error)
		goto out_release;
	error = chown_common(&path, user, group);
	mnt_drop_write(path.mnt);
out_release:
	path_put(&path);
out:
	return error;
}