+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2011 New Dream Network
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- *
- */
-#include "include/types.h"
-#include "gtest/gtest.h"
-#include "include/cephfs/libcephfs.h"
-#include "include/ceph_fs.h"
-#include "client/posix_acl.h"
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/xattr.h>
-
-static size_t acl_ea_size(int count)
-{
- return sizeof(acl_ea_header) + count * sizeof(acl_ea_entry);
-}
-
-static int acl_ea_count(size_t size)
-{
- if (size < sizeof(acl_ea_header))
- return -1;
- size -= sizeof(acl_ea_header);
- if (size % sizeof(acl_ea_entry))
- return -1;
- return size / sizeof(acl_ea_entry);
-}
-
-static int check_acl_and_mode(const void *buf, size_t size, mode_t mode)
-{
- const acl_ea_entry *group_entry = NULL, *mask_entry = NULL;
- const acl_ea_header *header = reinterpret_cast<const acl_ea_header*>(buf);
- const acl_ea_entry *entry = header->a_entries;
- int count = (size - sizeof(*header)) / sizeof(*entry);
- for (int i = 0; i < count; ++i) {
- __u16 tag = entry->e_tag;
- __u16 perm = entry->e_perm;
- switch(tag) {
- case ACL_USER_OBJ:
- if (perm != ((mode >> 6) & 7))
- return -EINVAL;
- break;
- case ACL_USER:
- case ACL_GROUP:
- break;
- case ACL_GROUP_OBJ:
- group_entry = entry;
- break;
- case ACL_OTHER:
- if (perm != (mode & 7))
- return -EINVAL;
- break;
- case ACL_MASK:
- mask_entry = entry;
- break;
- default:
- return -EIO;
- }
- ++entry;
- }
- if (mask_entry) {
- __u16 perm = mask_entry->e_perm;
- if (perm != ((mode >> 3) & 7))
- return -EINVAL;
- } else {
- if (!group_entry)
- return -EIO;
- __u16 perm = group_entry->e_perm;
- if (perm != ((mode >> 3) & 7))
- return -EINVAL;
- }
- return 0;
-}
-
-static int generate_test_acl(void *buf, size_t size, mode_t mode)
-{
- if (acl_ea_count(size) != 5)
- return -1;
- acl_ea_header *header = reinterpret_cast<acl_ea_header*>(buf);
- header->a_version = (__u32)ACL_EA_VERSION;
- acl_ea_entry *entry = header->a_entries;
- entry->e_tag = ACL_USER_OBJ;
- entry->e_perm = (mode >> 6) & 7;
- ++entry;
- entry->e_tag = ACL_USER;
- entry->e_perm = 7;
- entry->e_id = getuid();
- ++entry;
- entry->e_tag = ACL_GROUP_OBJ;
- entry->e_perm = (mode >> 3) & 7;
- ++entry;
- entry->e_tag = ACL_MASK;
- entry->e_perm = 7;
- ++entry;
- entry->e_tag = ACL_OTHER;
- entry->e_perm = mode & 7;
- return 0;
-}
-
-static int generate_empty_acl(void *buf, size_t size, mode_t mode)
-{
-
- if (acl_ea_count(size) != 3)
- return -1;
- acl_ea_header *header = reinterpret_cast<acl_ea_header*>(buf);
- header->a_version = (__u32)ACL_EA_VERSION;
- acl_ea_entry *entry = header->a_entries;
- entry->e_tag = ACL_USER_OBJ;
- entry->e_perm = (mode >> 6) & 7;
- ++entry;
- entry->e_tag = ACL_GROUP_OBJ;
- entry->e_perm = (mode >> 3) & 7;
- ++entry;
- entry->e_tag = ACL_OTHER;
- entry->e_perm = mode & 7;
- return 0;
-}
-
-TEST(ACL, SetACL) {
- struct ceph_mount_info *cmount;
- ASSERT_EQ(0, ceph_create(&cmount, NULL));
- ASSERT_EQ(0, ceph_conf_read_file(cmount, NULL));
- ASSERT_EQ(0, ceph_mount(cmount, "/"));
- ASSERT_EQ(0, ceph_conf_set(cmount, "client_acl_type", "posix_acl"));
- ASSERT_EQ(0, ceph_conf_set(cmount, "client_permissions", "0"));
-
- char test_file[256];
- sprintf(test_file, "file1_setacl_%d", getpid());
-
- int fd = ceph_open(cmount, test_file, O_CREAT|O_RDWR, 0600);
- ASSERT_GT(fd, 0);
- // change ownership to nobody -- we assume nobody exists and id is always 65534
- ASSERT_EQ(ceph_fchown(cmount, fd, 65534, 65534), 0);
-
- ASSERT_EQ(0, ceph_conf_set(cmount, "client_permissions", "1"));
- ASSERT_EQ(ceph_open(cmount, test_file, O_RDWR, 0), -EACCES);
- ASSERT_EQ(0, ceph_conf_set(cmount, "client_permissions", "0"));
-
- size_t acl_buf_size = acl_ea_size(5);
- void *acl_buf = malloc(acl_buf_size);
- ASSERT_EQ(generate_test_acl(acl_buf, acl_buf_size, 0750), 0);
-
- // can't set default acl for non-directory
- ASSERT_EQ(ceph_fsetxattr(cmount, fd, ACL_EA_DEFAULT, acl_buf, acl_buf_size, 0), -EACCES);
- ASSERT_EQ(ceph_fsetxattr(cmount, fd, ACL_EA_ACCESS, acl_buf, acl_buf_size, 0), 0);
-
- int tmpfd = ceph_open(cmount, test_file, O_RDWR, 0);
- ASSERT_GT(tmpfd, 0);
- ceph_close(cmount, tmpfd);
-
- struct ceph_statx stx;
- ASSERT_EQ(ceph_fstatx(cmount, fd, &stx, CEPH_STATX_MODE, 0), 0);
- // mode was modified according to ACL
- ASSERT_EQ(stx.stx_mode & 0777u, 0770u);
- ASSERT_EQ(check_acl_and_mode(acl_buf, acl_buf_size, stx.stx_mode), 0);
-
- acl_buf_size = acl_ea_size(3);
- // setting ACL that is equivalent to file mode
- ASSERT_EQ(generate_empty_acl(acl_buf, acl_buf_size, 0600), 0);
- ASSERT_EQ(ceph_fsetxattr(cmount, fd, ACL_EA_ACCESS, acl_buf, acl_buf_size, 0), 0);
- // ACL was deleted
- ASSERT_EQ(ceph_fgetxattr(cmount, fd, ACL_EA_ACCESS, NULL, 0), -ENODATA);
-
- ASSERT_EQ(ceph_fstatx(cmount, fd, &stx, CEPH_STATX_MODE, 0), 0);
- // mode was modified according to ACL
- ASSERT_EQ(stx.stx_mode & 0777u, 0600u);
-
- free(acl_buf);
- ceph_close(cmount, fd);
- ceph_shutdown(cmount);
-}
-
-TEST(ACL, Chmod) {
- struct ceph_mount_info *cmount;
- ASSERT_EQ(0, ceph_create(&cmount, NULL));
- ASSERT_EQ(0, ceph_conf_read_file(cmount, NULL));
- ASSERT_EQ(0, ceph_mount(cmount, "/"));
- ASSERT_EQ(0, ceph_conf_set(cmount, "client_acl_type", "posix_acl"));
-
- char test_file[256];
- sprintf(test_file, "file1_acl_chmod_%d", getpid());
-
- int fd = ceph_open(cmount, test_file, O_CREAT|O_RDWR, 0600);
- ASSERT_GT(fd, 0);
-
- int acl_buf_size = acl_ea_size(5);
- void *acl_buf = malloc(acl_buf_size);
- ASSERT_EQ(generate_test_acl(acl_buf, acl_buf_size, 0775), 0);
- ASSERT_EQ(ceph_fsetxattr(cmount, fd, ACL_EA_ACCESS, acl_buf, acl_buf_size, 0), 0);
-
- struct ceph_statx stx;
- ASSERT_EQ(ceph_fstatx(cmount, fd, &stx, CEPH_STATX_MODE, 0), 0);
- // mode was updated according to ACL
- ASSERT_EQ(stx.stx_mode & 0777u, 0775u);
-
- // change mode
- ASSERT_EQ(ceph_fchmod(cmount, fd, 0640), 0);
-
- ASSERT_EQ(ceph_fstatx(cmount, fd, &stx, CEPH_STATX_MODE, 0), 0);
- ASSERT_EQ(stx.stx_mode & 0777u, 0640u);
-
- // ACL was updated according to mode
- ASSERT_EQ(ceph_fgetxattr(cmount, fd, ACL_EA_ACCESS, acl_buf, acl_buf_size), acl_buf_size);
- ASSERT_EQ(check_acl_and_mode(acl_buf, acl_buf_size, stx.stx_mode), 0);
-
- free(acl_buf);
- ceph_close(cmount, fd);
- ceph_shutdown(cmount);
-}
-
-TEST(ACL, DefaultACL) {
- struct ceph_mount_info *cmount;
- ASSERT_EQ(0, ceph_create(&cmount, NULL));
- ASSERT_EQ(0, ceph_conf_read_file(cmount, NULL));
- ASSERT_EQ(0, ceph_mount(cmount, "/"));
- ASSERT_EQ(0, ceph_conf_set(cmount, "client_acl_type", "posix_acl"));
-
- int acl_buf_size = acl_ea_size(5);
- void *acl1_buf = malloc(acl_buf_size);
- void *acl2_buf = malloc(acl_buf_size);
-
- ASSERT_EQ(generate_test_acl(acl1_buf, acl_buf_size, 0750), 0);
-
- char test_dir1[256];
- sprintf(test_dir1, "dir1_acl_default_%d", getpid());
- ASSERT_EQ(ceph_mkdir(cmount, test_dir1, 0750), 0);
-
- // set default acl
- ASSERT_EQ(ceph_setxattr(cmount, test_dir1, ACL_EA_DEFAULT, acl1_buf, acl_buf_size, 0), 0);
-
- char test_dir2[256];
- sprintf(test_dir2, "%s/dir2", test_dir1);
- ASSERT_EQ(ceph_mkdir(cmount, test_dir2, 0755), 0);
-
- // inherit default acl
- ASSERT_EQ(ceph_getxattr(cmount, test_dir2, ACL_EA_DEFAULT, acl2_buf, acl_buf_size), acl_buf_size);
- ASSERT_EQ(memcmp(acl1_buf, acl2_buf, acl_buf_size), 0);
-
- // mode and ACL are updated
- ASSERT_EQ(ceph_getxattr(cmount, test_dir2, ACL_EA_ACCESS, acl2_buf, acl_buf_size), acl_buf_size);
- {
- struct ceph_statx stx;
- ASSERT_EQ(ceph_statx(cmount, test_dir2, &stx, CEPH_STATX_MODE, 0), 0);
- // other bits of mode &= acl other perm
- ASSERT_EQ(stx.stx_mode & 0777u, 0750u);
- ASSERT_EQ(check_acl_and_mode(acl2_buf, acl_buf_size, stx.stx_mode), 0);
- }
-
- char test_file1[256];
- sprintf(test_file1, "%s/file1", test_dir1);
- int fd = ceph_open(cmount, test_file1, O_CREAT|O_RDWR, 0666);
- ASSERT_GT(fd, 0);
-
- // no default acl
- ASSERT_EQ(ceph_fgetxattr(cmount, fd, ACL_EA_DEFAULT, NULL, 0), -ENODATA);
-
- // mode and ACL are updated
- ASSERT_EQ(ceph_fgetxattr(cmount, fd, ACL_EA_ACCESS, acl2_buf, acl_buf_size), acl_buf_size);
- {
- struct ceph_statx stx;
- ASSERT_EQ(ceph_statx(cmount, test_file1, &stx, CEPH_STATX_MODE, 0), 0);
- // other bits of mode &= acl other perm
- ASSERT_EQ(stx.stx_mode & 0777u, 0660u);
- ASSERT_EQ(check_acl_and_mode(acl2_buf, acl_buf_size, stx.stx_mode), 0);
- }
-
- free(acl1_buf);
- free(acl2_buf);
- ceph_close(cmount, fd);
- ceph_shutdown(cmount);
-}
-
-TEST(ACL, Disabled) {
- struct ceph_mount_info *cmount;
- ASSERT_EQ(0, ceph_create(&cmount, NULL));
- ASSERT_EQ(0, ceph_conf_read_file(cmount, NULL));
- ASSERT_EQ(0, ceph_mount(cmount, "/"));
- ASSERT_EQ(0, ceph_conf_set(cmount, "client_acl_type", ""));
-
- size_t acl_buf_size = acl_ea_size(3);
- void *acl_buf = malloc(acl_buf_size);
- ASSERT_EQ(generate_empty_acl(acl_buf, acl_buf_size, 0755), 0);
-
- char test_dir[256];
- sprintf(test_dir, "dir1_acl_disabled_%d", getpid());
- ASSERT_EQ(ceph_mkdir(cmount, test_dir, 0750), 0);
-
- ASSERT_EQ(ceph_setxattr(cmount, test_dir, ACL_EA_DEFAULT, acl_buf, acl_buf_size, 0), -EOPNOTSUPP);
- ASSERT_EQ(ceph_setxattr(cmount, test_dir, ACL_EA_ACCESS, acl_buf, acl_buf_size, 0), -EOPNOTSUPP);
- ASSERT_EQ(ceph_getxattr(cmount, test_dir, ACL_EA_DEFAULT, acl_buf, acl_buf_size), -EOPNOTSUPP);
- ASSERT_EQ(ceph_getxattr(cmount, test_dir, ACL_EA_ACCESS, acl_buf, acl_buf_size), -EOPNOTSUPP);
-
- free(acl_buf);
- ceph_shutdown(cmount);
-}
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