void gr_handle_chroot_chdir(struct path *path) { #ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR if (grsec_enable_chroot_chdir) set_fs_pwd(current->fs, path); #endif return; }
SYSCALL_DEFINE1(chdir, const char __user *, filename) { struct path path; int error; error = user_path_dir(filename, &path); if (error) goto out; error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_CHDIR); if (error) goto dput_and_out; set_fs_pwd(current->fs, &path); dput_and_out: path_put(&path); out: return error; }
asmlinkage long sys_chdir(const char * filename) { int error; struct nameidata nd; error = __user_walk(filename,LOOKUP_POSITIVE|LOOKUP_FOLLOW|LOOKUP_DIRECTORY,&nd); if (error) goto out; error = permission(nd.dentry->d_inode,MAY_EXEC); if (error) goto dput_and_out; set_fs_pwd(current->fs, nd.mnt, nd.dentry); dput_and_out: path_release(&nd); out: return error; }
asmlinkage long sys_chdir(const char __user * filename) { struct path path; int error; error = user_path_dir(filename, &path); if (error) goto out; error = inode_permission(path.dentry->d_inode, MAY_EXEC | MAY_ACCESS); if (error) goto dput_and_out; set_fs_pwd(current->fs, &path); dput_and_out: path_put(&path); out: return error; }
asmlinkage long sys_chdir(const char __user * filename) { struct nameidata nd; int error; error = __user_walk(filename, LOOKUP_FOLLOW|LOOKUP_DIRECTORY|LOOKUP_CHDIR, &nd); if (error) goto out; error = vfs_permission(&nd, MAY_EXEC); if (error) goto dput_and_out; set_fs_pwd(current->fs, nd.mnt, nd.dentry); dput_and_out: path_release(&nd); out: return error; }
SYSCALL_DEFINE1(fchdir, unsigned int, fd) { struct fd f = fdget_raw(fd); int error; error = -EBADF; if (!f.file) goto out; error = -ENOTDIR; if (!d_can_lookup(f.file->f_path.dentry)) goto out_putf; error = inode_permission(file_inode(f.file), MAY_EXEC | MAY_CHDIR); if (!error) set_fs_pwd(current->fs, &f.file->f_path); out_putf: fdput(f); out: return error; }
asmlinkage long sys_chdir(const char __user * filename) { struct nameidata nd; int error; struct fs_struct *fs; error = __user_walk(filename, LOOKUP_FOLLOW|LOOKUP_DIRECTORY|LOOKUP_CHDIR, &nd); if (error) goto out; error = vfs_permission(d_get_inode_ro(nd.dentry), &nd, MAY_EXEC); if (error) goto dput_and_out; fs = tx_cache_get_fs(current); set_fs_pwd(fs, nd.mnt, parent(nd.dentry)); dput_and_out: path_release(&nd); out: return error; }
SYSCALL_DEFINE1(fchdir, unsigned int, fd) { struct fd f = fdget_raw(fd); struct inode *inode; int error = -EBADF; error = -EBADF; if (!f.file) goto out; inode = file_inode(f.file); error = -ENOTDIR; if (!S_ISDIR(inode->i_mode)) goto out_putf; error = inode_permission(inode, MAY_EXEC | MAY_CHDIR); if (!error) set_fs_pwd(current->fs, &f.file->f_path); out_putf: fdput(f); out: return error; }