23
23
* Contact the authors at <mandos@recompile.se>.
26
#define _GNU_SOURCE /* pipe2(), O_CLOEXEC, setresgid(),
27
setresuid(), asprintf(), getline(),
29
#include <inttypes.h> /* uintmax_t, strtoumax(), PRIuMAX,
30
PRIdMAX, intmax_t, uint32_t,
31
SCNx32, SCNuMAX, SCNxMAX */
32
#include <stddef.h> /* size_t, NULL */
27
#include <inttypes.h> /* uintmax_t, PRIuMAX, PRIdMAX,
28
intmax_t, uint32_t, SCNx32,
30
#include <stddef.h> /* size_t */
33
31
#include <sys/types.h> /* pid_t, uid_t, gid_t, getuid(),
35
33
#include <stdbool.h> /* bool, true, false */
42
40
NSIG, sigismember(), SA_ONSTACK,
43
41
SIG_DFL, SIG_IGN, SIGINT, SIGQUIT,
44
42
SIGHUP, SIGSTOP, SIG_UNBLOCK */
45
#include <unistd.h> /* uid_t, gid_t, close(), pipe2(),
46
fork(), _exit(), dup2(),
47
STDOUT_FILENO, setresgid(),
48
setresuid(), execv(), ssize_t,
49
read(), dup3(), getuid(), dup(),
50
STDERR_FILENO, pause(), write(),
51
rmdir(), unlink(), getpid() */
52
43
#include <stdlib.h> /* EXIT_SUCCESS, EXIT_FAILURE,
53
malloc(), free(), realloc(),
54
setenv(), calloc(), mkdtemp(),
44
malloc(), free(), strtoumax(),
45
realloc(), setenv(), calloc(),
46
mkdtemp(), mkostemp() */
56
47
#include <iso646.h> /* not, or, and, xor */
57
48
#include <error.h> /* error() */
58
49
#include <sysexits.h> /* EX_USAGE, EX_OSERR, EX_OSFILE */
59
50
#include <errno.h> /* errno, error_t, EACCES,
60
ENAMETOOLONG, ENOENT, ENOTDIR,
61
ENOMEM, EEXIST, ECHILD, EPERM,
62
EAGAIN, EINTR, ENOBUFS, EADDRINUSE,
51
ENAMETOOLONG, ENOENT, EEXIST,
52
ECHILD, EPERM, ENOMEM, EAGAIN,
53
EINTR, ENOBUFS, EADDRINUSE,
63
54
ECONNREFUSED, ECONNRESET,
64
55
ETOOMANYREFS, EMSGSIZE, EBADF,
66
57
#include <string.h> /* strdup(), memcpy(),
67
58
explicit_bzero(), memset(),
68
59
strcmp(), strlen(), strncpy(),
69
memcmp(), basename(), strerror() */
60
memcmp(), basename() */
70
61
#include <argz.h> /* argz_create(), argz_count(),
71
62
argz_extract(), argz_next(),
82
73
ARGP_ERR_UNKNOWN, ARGP_KEY_ARGS,
83
74
struct argp, argp_parse(),
85
#include <stdint.h> /* SIZE_MAX, uint32_t */
76
#include <unistd.h> /* uid_t, gid_t, close(), pipe2(),
77
fork(), _exit(), dup2(),
78
STDOUT_FILENO, setresgid(),
79
setresuid(), execv(), ssize_t,
80
read(), dup3(), getuid(), dup(),
81
STDERR_FILENO, pause(), write(),
82
rmdir(), unlink(), getpid() */
86
83
#include <sys/mman.h> /* munlock(), mlock() */
87
84
#include <fcntl.h> /* O_CLOEXEC, O_NONBLOCK, fcntl(),
88
85
F_GETFD, F_GETFL, FD_CLOEXEC,
89
open(), O_WRONLY, O_NOCTTY,
90
O_RDONLY, O_NOFOLLOW */
86
open(), O_WRONLY, O_RDONLY */
91
87
#include <sys/wait.h> /* waitpid(), WNOHANG, WIFEXITED(),
93
89
#include <limits.h> /* PIPE_BUF, NAME_MAX, INT_MAX */
94
90
#include <sys/inotify.h> /* inotify_init1(), IN_NONBLOCK,
95
91
IN_CLOEXEC, inotify_add_watch(),
96
92
IN_CLOSE_WRITE, IN_MOVED_TO,
97
IN_MOVED_FROM, IN_DELETE,
98
IN_EXCL_UNLINK, IN_ONLYDIR,
99
struct inotify_event */
93
IN_DELETE, struct inotify_event */
100
94
#include <fnmatch.h> /* fnmatch(), FNM_FILE_NAME */
101
#include <stdio.h> /* asprintf(), FILE, stderr, fopen(),
102
fclose(), getline(), sscanf(),
103
feof(), ferror(), rename(),
104
fdopen(), fprintf(), fscanf() */
95
#include <stdio.h> /* asprintf(), FILE, fopen(),
96
getline(), sscanf(), feof(),
97
ferror(), fclose(), stderr,
98
rename(), fdopen(), fprintf(),
105
100
#include <glib.h> /* GKeyFile, g_key_file_free(), g_key_file_new(),
106
101
GError, g_key_file_load_from_file(),
107
102
G_KEY_FILE_NONE, TRUE, G_FILE_ERROR_NOENT,
112
107
g_assert_null(), g_assert_false(),
113
108
g_assert_cmpint(), g_assert_cmpuint(),
114
109
g_test_skip(), g_assert_cmpstr(),
115
g_test_message(), g_test_init(), g_test_add(),
116
g_test_run(), GOptionContext,
117
g_option_context_new(),
110
g_test_init(), g_test_add(), g_test_run(),
111
GOptionContext, g_option_context_new(),
118
112
g_option_context_set_help_enabled(), FALSE,
119
113
g_option_context_set_ignore_unknown_options(),
120
114
gboolean, GOptionEntry, G_OPTION_ARG_NONE,
655
648
__attribute__((nonnull, warn_unused_result))
656
649
bool add_to_queue(task_queue *const queue, const task_context task){
657
if((queue->length + 1) > (SIZE_MAX / sizeof(task_context))){
659
error(0, ENOMEM, "Failed to allocate %" PRIuMAX
660
" tasks for queue->tasks", (uintmax_t)(queue->length + 1));
664
650
const size_t needed_size = sizeof(task_context)*(queue->length + 1);
665
651
if(needed_size > (queue->allocated)){
666
652
task_context *const new_tasks = realloc(queue->tasks,
1092
1071
/* "sufficient to read at least one event." - inotify(7) */
1093
1072
const size_t ievent_size = (sizeof(struct inotify_event)
1094
1073
+ NAME_MAX + 1);
1096
struct inotify_event event;
1097
char name_buffer[NAME_MAX + 1];
1099
struct inotify_event *const ievent = &ievent_buffer.event;
1074
char ievent_buffer[sizeof(struct inotify_event) + NAME_MAX + 1];
1075
struct inotify_event *ievent = ((struct inotify_event *)
1101
#if defined(__GNUC__) and __GNUC__ >= 7
1102
#pragma GCC diagnostic push
1103
/* ievent is pointing into a struct which is of sufficient size */
1104
#pragma GCC diagnostic ignored "-Wstringop-overflow"
1106
1078
const ssize_t read_length = read(fd, ievent, ievent_size);
1107
#if defined(__GNUC__) and __GNUC__ >= 7
1108
#pragma GCC diagnostic pop
1110
1079
if(read_length == 0){ /* EOF */
1111
1080
error(0, 0, "Got EOF from inotify fd for directory %s", filename);
1112
1081
*quit_now = true;
1910
1877
g_assert_true(queue->tasks[0].func == dummy_func);
1913
static void test_add_to_queue_overflow(__attribute__((unused))
1914
test_fixture *fixture,
1915
__attribute__((unused))
1916
gconstpointer user_data){
1917
__attribute__((cleanup(cleanup_queue)))
1918
task_queue *queue = create_queue();
1919
g_assert_nonnull(queue);
1920
g_assert_true(queue->length == 0);
1921
queue->length = SIZE_MAX / sizeof(task_context); /* fake max size */
1923
FILE *real_stderr = stderr;
1924
FILE *devnull = fopen("/dev/null", "we");
1925
g_assert_nonnull(devnull);
1927
const bool ret = add_to_queue(queue,
1928
(task_context){ .func=dummy_func });
1929
g_assert_true(errno == ENOMEM);
1930
g_assert_false(ret);
1931
stderr = real_stderr;
1932
g_assert_cmpint(fclose(devnull), ==, 0);
1933
queue->length = 0; /* Restore real size */
1936
1880
static void dummy_func(__attribute__((unused))
1937
1881
const task_context task,
1938
1882
__attribute__((unused))
3512
3450
g_assert_cmpuint((unsigned int)queue->length, ==, 0);
3515
static void test_add_inotify_dir_watch_nondir(__attribute__((unused))
3516
test_fixture *fixture,
3517
__attribute__((unused))
3520
__attribute__((cleanup(cleanup_close)))
3521
const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
3522
g_assert_cmpint(epoll_fd, >=, 0);
3523
__attribute__((cleanup(cleanup_queue)))
3524
task_queue *queue = create_queue();
3525
g_assert_nonnull(queue);
3526
__attribute__((cleanup(string_set_clear)))
3527
string_set cancelled_filenames = {};
3528
const mono_microsecs current_time = 0;
3530
bool quit_now = false;
3531
buffer password = {};
3532
bool mandos_client_exited = false;
3533
bool password_is_read = false;
3535
const char not_a_directory[] = "/dev/tty";
3537
FILE *real_stderr = stderr;
3538
FILE *devnull = fopen("/dev/null", "we");
3539
g_assert_nonnull(devnull);
3541
g_assert_false(add_inotify_dir_watch(queue, epoll_fd, &quit_now,
3542
&password, not_a_directory,
3543
&cancelled_filenames,
3545
&mandos_client_exited,
3546
&password_is_read));
3547
stderr = real_stderr;
3548
g_assert_cmpint(fclose(devnull), ==, 0);
3550
g_assert_cmpuint((unsigned int)queue->length, ==, 0);
3553
3453
static void test_add_inotify_dir_watch_EAGAIN(__attribute__((unused))
3554
3454
test_fixture *fixture,
3555
3455
__attribute__((unused))
3773
void test_add_inotify_dir_watch_IN_MOVED_FROM(__attribute__((unused))
3774
test_fixture *fixture,
3775
__attribute__((unused))
3778
__attribute__((cleanup(cleanup_close)))
3779
const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
3780
g_assert_cmpint(epoll_fd, >=, 0);
3781
__attribute__((cleanup(cleanup_queue)))
3782
task_queue *queue = create_queue();
3783
g_assert_nonnull(queue);
3784
__attribute__((cleanup(string_set_clear)))
3785
string_set cancelled_filenames = {};
3786
const mono_microsecs current_time = 0;
3788
bool quit_now = false;
3789
buffer password = {};
3790
bool mandos_client_exited = false;
3791
bool password_is_read = false;
3793
__attribute__((cleanup(cleanup_string)))
3794
char *tempdir = make_temporary_directory();
3795
g_assert_nonnull(tempdir);
3797
__attribute__((cleanup(cleanup_string)))
3798
char *tempfilename = make_temporary_file_in_directory(tempdir);
3799
g_assert_nonnull(tempfilename);
3801
__attribute__((cleanup(cleanup_string)))
3802
char *targetdir = make_temporary_directory();
3803
g_assert_nonnull(targetdir);
3805
__attribute__((cleanup(cleanup_string)))
3806
char *targetfilename = NULL;
3807
g_assert_cmpint(asprintf(&targetfilename, "%s/%s", targetdir,
3808
basename(tempfilename)), >, 0);
3809
g_assert_nonnull(targetfilename);
3811
g_assert_true(add_inotify_dir_watch(queue, epoll_fd, &quit_now,
3813
&cancelled_filenames,
3815
&mandos_client_exited,
3816
&password_is_read));
3818
g_assert_cmpint(rename(tempfilename, targetfilename), ==, 0);
3820
const task_context *const added_read_task
3821
= find_matching_task(queue,
3822
(task_context){ .func=read_inotify_event });
3823
g_assert_nonnull(added_read_task);
3825
/* "sufficient to read at least one event." - inotify(7) */
3826
const size_t ievent_size = (sizeof(struct inotify_event)
3828
struct inotify_event *ievent = malloc(ievent_size);
3829
g_assert_nonnull(ievent);
3831
ssize_t read_size = read(added_read_task->fd, ievent, ievent_size);
3833
g_assert_cmpint((int)read_size, >, 0);
3834
g_assert_true(ievent->mask & IN_MOVED_FROM);
3835
g_assert_cmpstr(ievent->name, ==, basename(tempfilename));
3839
g_assert_cmpint(unlink(targetfilename), ==, 0);
3840
g_assert_cmpint(rmdir(targetdir), ==, 0);
3841
g_assert_cmpint(rmdir(tempdir), ==, 0);
3845
3673
void test_add_inotify_dir_watch_IN_DELETE(__attribute__((unused))
3846
3674
test_fixture *fixture,
3847
3675
__attribute__((unused))
3905
3733
g_assert_cmpint(rmdir(tempdir), ==, 0);
3909
void test_add_inotify_dir_watch_IN_EXCL_UNLINK(__attribute__((unused))
3910
test_fixture *fixture,
3911
__attribute__((unused))
3914
__attribute__((cleanup(cleanup_close)))
3915
const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
3916
g_assert_cmpint(epoll_fd, >=, 0);
3917
__attribute__((cleanup(cleanup_queue)))
3918
task_queue *queue = create_queue();
3919
g_assert_nonnull(queue);
3920
__attribute__((cleanup(string_set_clear)))
3921
string_set cancelled_filenames = {};
3922
const mono_microsecs current_time = 0;
3924
bool quit_now = false;
3925
buffer password = {};
3926
bool mandos_client_exited = false;
3927
bool password_is_read = false;
3929
__attribute__((cleanup(cleanup_string)))
3930
char *tempdir = make_temporary_directory();
3931
g_assert_nonnull(tempdir);
3933
__attribute__((cleanup(cleanup_string)))
3934
char *tempfile = make_temporary_file_in_directory(tempdir);
3935
g_assert_nonnull(tempfile);
3936
int tempfile_fd = open(tempfile, O_WRONLY | O_CLOEXEC | O_NOCTTY
3938
g_assert_cmpint(tempfile_fd, >, 2);
3940
g_assert_true(add_inotify_dir_watch(queue, epoll_fd, &quit_now,
3942
&cancelled_filenames,
3944
&mandos_client_exited,
3945
&password_is_read));
3946
g_assert_cmpint(unlink(tempfile), ==, 0);
3948
g_assert_cmpuint((unsigned int)queue->length, >, 0);
3950
const task_context *const added_read_task
3951
= find_matching_task(queue,
3952
(task_context){ .func=read_inotify_event });
3953
g_assert_nonnull(added_read_task);
3955
g_assert_cmpint(added_read_task->fd, >, 2);
3956
g_assert_true(fd_has_cloexec_and_nonblock(added_read_task->fd));
3958
/* "sufficient to read at least one event." - inotify(7) */
3959
const size_t ievent_size = (sizeof(struct inotify_event)
3961
struct inotify_event *ievent = malloc(ievent_size);
3962
g_assert_nonnull(ievent);
3964
ssize_t read_size = 0;
3965
read_size = read(added_read_task->fd, ievent, ievent_size);
3967
g_assert_cmpint((int)read_size, >, 0);
3968
g_assert_true(ievent->mask & IN_DELETE);
3969
g_assert_cmpstr(ievent->name, ==, basename(tempfile));
3971
g_assert_cmpint(close(tempfile_fd), ==, 0);
3973
/* IN_EXCL_UNLINK should make the closing of the previously unlinked
3974
file not appear as an ievent, so we should not see it now. */
3975
read_size = read(added_read_task->fd, ievent, ievent_size);
3976
g_assert_cmpint((int)read_size, ==, -1);
3977
g_assert_true(errno == EAGAIN);
3981
g_assert_cmpint(rmdir(tempdir), ==, 0);
3984
3736
static void test_read_inotify_event_readerror(__attribute__((unused))
3985
3737
test_fixture *fixture,
3986
3738
__attribute__((unused))
4190
3939
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4191
3940
const size_t ievent_size = (sizeof(struct inotify_event)
4192
3941
+ sizeof(dummy_file_name));
4193
#if defined(__GNUC__) and __GNUC__ >= 11
4194
#pragma GCC diagnostic push
4195
/* ievent is pointing into a struct which is of sufficient size */
4196
#pragma GCC diagnostic ignored "-Wstringop-overread"
4198
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
3942
g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),
4199
3943
==, ievent_size);
4200
#if defined(__GNUC__) and __GNUC__ >= 11
4201
#pragma GCC diagnostic pop
4203
3944
g_assert_cmpint(close(pipefds[1]), ==, 0);
4205
3946
bool quit_now = false;
4293
4032
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4294
4033
const size_t ievent_size = (sizeof(struct inotify_event)
4295
4034
+ sizeof(dummy_file_name));
4296
#if defined(__GNUC__) and __GNUC__ >= 11
4297
#pragma GCC diagnostic push
4298
/* ievent is pointing into a struct which is of sufficient size */
4299
#pragma GCC diagnostic ignored "-Wstringop-overread"
4301
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4035
g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),
4302
4036
==, ievent_size);
4303
#if defined(__GNUC__) and __GNUC__ >= 11
4304
#pragma GCC diagnostic pop
4306
4037
g_assert_cmpint(close(pipefds[1]), ==, 0);
4308
4039
bool quit_now = false;
4371
void test_read_inotify_event_IN_MOVED_FROM(__attribute__((unused))
4372
test_fixture *fixture,
4373
__attribute__((unused))
4374
gconstpointer user_data){
4375
__attribute__((cleanup(cleanup_close)))
4376
const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
4377
g_assert_cmpint(epoll_fd, >=, 0);
4378
__attribute__((cleanup(string_set_clear)))
4379
string_set cancelled_filenames = {};
4380
const mono_microsecs current_time = 0;
4383
g_assert_cmpint(pipe2(pipefds, O_CLOEXEC | O_NONBLOCK), ==, 0);
4385
/* "sufficient to read at least one event." - inotify(7) */
4386
const size_t ievent_max_size = (sizeof(struct inotify_event)
4388
g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);
4390
struct inotify_event event;
4391
char name_buffer[NAME_MAX + 1];
4393
struct inotify_event *const ievent = &ievent_buffer.event;
4395
const char dummy_file_name[] = "ask.dummy_file_name";
4396
ievent->mask = IN_MOVED_FROM;
4397
ievent->len = sizeof(dummy_file_name);
4398
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4399
const size_t ievent_size = (sizeof(struct inotify_event)
4400
+ sizeof(dummy_file_name));
4401
#if defined(__GNUC__) and __GNUC__ >= 11
4402
#pragma GCC diagnostic push
4403
/* ievent is pointing into a struct which is of sufficient size */
4404
#pragma GCC diagnostic ignored "-Wstringop-overread"
4406
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4408
#if defined(__GNUC__) and __GNUC__ >= 11
4409
#pragma GCC diagnostic pop
4411
g_assert_cmpint(close(pipefds[1]), ==, 0);
4413
bool quit_now = false;
4414
buffer password = {};
4415
bool mandos_client_exited = false;
4416
bool password_is_read = false;
4417
__attribute__((cleanup(cleanup_queue)))
4418
task_queue *queue = create_queue();
4419
g_assert_nonnull(queue);
4421
task_context task = {
4422
.func=read_inotify_event,
4425
.quit_now=&quit_now,
4426
.password=&password,
4427
.filename=strdup("/nonexistent"),
4428
.cancelled_filenames=&cancelled_filenames,
4429
.current_time=¤t_time,
4430
.mandos_client_exited=&mandos_client_exited,
4431
.password_is_read=&password_is_read,
4433
task.func(task, queue);
4434
g_assert_false(quit_now);
4435
g_assert_true(queue->next_run == 0);
4436
g_assert_cmpuint((unsigned int)queue->length, ==, 1);
4438
g_assert_nonnull(find_matching_task(queue, (task_context){
4439
.func=read_inotify_event,
4442
.quit_now=&quit_now,
4443
.password=&password,
4444
.filename=task.filename,
4445
.cancelled_filenames=&cancelled_filenames,
4446
.current_time=¤t_time,
4447
.mandos_client_exited=&mandos_client_exited,
4448
.password_is_read=&password_is_read,
4451
g_assert_true(epoll_set_contains(epoll_fd, pipefds[0],
4452
EPOLLIN | EPOLLRDHUP));
4454
__attribute__((cleanup(cleanup_string)))
4455
char *filename = NULL;
4456
g_assert_cmpint(asprintf(&filename, "%s/%s", task.filename,
4457
dummy_file_name), >, 0);
4458
g_assert_nonnull(filename);
4459
g_assert_true(string_set_contains(*task.cancelled_filenames,
4463
4101
static void test_read_inotify_event_IN_DELETE(__attribute__((unused))
4464
4102
test_fixture *fixture,
4465
4103
__attribute__((unused))
4491
4127
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4492
4128
const size_t ievent_size = (sizeof(struct inotify_event)
4493
4129
+ sizeof(dummy_file_name));
4494
#if defined(__GNUC__) and __GNUC__ >= 11
4495
#pragma GCC diagnostic push
4496
/* ievent is pointing into a struct which is of sufficient size */
4497
#pragma GCC diagnostic ignored "-Wstringop-overread"
4499
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4130
g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),
4500
4131
==, ievent_size);
4501
#if defined(__GNUC__) and __GNUC__ >= 11
4502
#pragma GCC diagnostic pop
4504
4132
g_assert_cmpint(close(pipefds[1]), ==, 0);
4506
4134
bool quit_now = false;
4583
4209
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4584
4210
const size_t ievent_size = (sizeof(struct inotify_event)
4585
4211
+ sizeof(dummy_file_name));
4586
#if defined(__GNUC__) and __GNUC__ >= 11
4587
#pragma GCC diagnostic push
4588
/* ievent is pointing into a struct which is of sufficient size */
4589
#pragma GCC diagnostic ignored "-Wstringop-overread"
4591
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4212
g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),
4592
4213
==, ievent_size);
4593
#if defined(__GNUC__) and __GNUC__ >= 11
4594
#pragma GCC diagnostic pop
4596
4214
g_assert_cmpint(close(pipefds[1]), ==, 0);
4598
4216
bool quit_now = false;
4667
4283
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4668
4284
const size_t ievent_size = (sizeof(struct inotify_event)
4669
4285
+ sizeof(dummy_file_name));
4670
#if defined(__GNUC__) and __GNUC__ >= 11
4671
#pragma GCC diagnostic push
4672
/* ievent is pointing into a struct which is of sufficient size */
4673
#pragma GCC diagnostic ignored "-Wstringop-overread"
4675
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4286
g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),
4676
4287
==, ievent_size);
4677
#if defined(__GNUC__) and __GNUC__ >= 11
4678
#pragma GCC diagnostic pop
4680
4288
g_assert_cmpint(close(pipefds[1]), ==, 0);
4682
4290
bool quit_now = false;
4722
4330
EPOLLIN | EPOLLRDHUP));
4726
test_read_inotify_event_IN_MOVED_FROM_badname(__attribute__((unused))
4727
test_fixture *fixture,
4728
__attribute__((unused))
4731
__attribute__((cleanup(cleanup_close)))
4732
const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
4733
g_assert_cmpint(epoll_fd, >=, 0);
4734
__attribute__((cleanup(string_set_clear)))
4735
string_set cancelled_filenames = {};
4736
const mono_microsecs current_time = 0;
4739
g_assert_cmpint(pipe2(pipefds, O_CLOEXEC | O_NONBLOCK), ==, 0);
4741
/* "sufficient to read at least one event." - inotify(7) */
4742
const size_t ievent_max_size = (sizeof(struct inotify_event)
4744
g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);
4746
struct inotify_event event;
4747
char name_buffer[NAME_MAX + 1];
4749
struct inotify_event *const ievent = &ievent_buffer.event;
4751
const char dummy_file_name[] = "ignored.dummy_file_name";
4752
ievent->mask = IN_MOVED_FROM;
4753
ievent->len = sizeof(dummy_file_name);
4754
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4755
const size_t ievent_size = (sizeof(struct inotify_event)
4756
+ sizeof(dummy_file_name));
4757
#if defined(__GNUC__) and __GNUC__ >= 11
4758
#pragma GCC diagnostic push
4759
/* ievent is pointing into a struct which is of sufficient size */
4760
#pragma GCC diagnostic ignored "-Wstringop-overread"
4762
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4764
#if defined(__GNUC__) and __GNUC__ >= 11
4765
#pragma GCC diagnostic pop
4767
g_assert_cmpint(close(pipefds[1]), ==, 0);
4769
bool quit_now = false;
4770
buffer password = {};
4771
bool mandos_client_exited = false;
4772
bool password_is_read = false;
4773
__attribute__((cleanup(cleanup_queue)))
4774
task_queue *queue = create_queue();
4775
g_assert_nonnull(queue);
4777
task_context task = {
4778
.func=read_inotify_event,
4781
.quit_now=&quit_now,
4782
.password=&password,
4783
.filename=strdup("/nonexistent"),
4784
.cancelled_filenames=&cancelled_filenames,
4785
.current_time=¤t_time,
4786
.mandos_client_exited=&mandos_client_exited,
4787
.password_is_read=&password_is_read,
4789
task.func(task, queue);
4790
g_assert_false(quit_now);
4791
g_assert_true(queue->next_run == 0);
4792
g_assert_cmpuint((unsigned int)queue->length, ==, 1);
4794
g_assert_nonnull(find_matching_task(queue, (task_context){
4795
.func=read_inotify_event,
4798
.quit_now=&quit_now,
4799
.password=&password,
4800
.filename=task.filename,
4801
.cancelled_filenames=&cancelled_filenames,
4802
.current_time=¤t_time,
4803
.mandos_client_exited=&mandos_client_exited,
4804
.password_is_read=&password_is_read,
4807
g_assert_true(epoll_set_contains(epoll_fd, pipefds[0],
4808
EPOLLIN | EPOLLRDHUP));
4810
__attribute__((cleanup(cleanup_string)))
4811
char *filename = NULL;
4812
g_assert_cmpint(asprintf(&filename, "%s/%s", task.filename,
4813
dummy_file_name), >, 0);
4814
g_assert_nonnull(filename);
4815
g_assert_false(string_set_contains(cancelled_filenames, filename));
4819
4334
void test_read_inotify_event_IN_DELETE_badname(__attribute__((unused))
4820
4335
test_fixture *fixture,
4847
4360
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4848
4361
const size_t ievent_size = (sizeof(struct inotify_event)
4849
4362
+ sizeof(dummy_file_name));
4850
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4363
g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),
4851
4364
==, ievent_size);
4852
4365
g_assert_cmpint(close(pipefds[1]), ==, 0);
6034
5546
char *const filename = strdup("/nonexistent/socket");
6035
5547
__attribute__((cleanup(string_set_clear)))
6036
5548
string_set cancelled_filenames = {};
6039
/* Find a message size which triggers EMSGSIZE */
6040
__attribute__((cleanup(cleanup_string)))
6041
char *message_buffer = NULL;
6042
size_t message_size = PIPE_BUF + 1;
6043
for(ssize_t ssret = 0; ssret >= 0; message_size += 1024){
6044
if(message_size >= 1024*1024*1024){ /* 1 GiB */
6045
g_test_skip("Skipping EMSGSIZE test: Will not try 1GiB");
6048
message_buffer = realloc(message_buffer, message_size);
6049
if(message_buffer == NULL){
6050
g_test_skip("Skipping EMSGSIZE test");
6051
g_test_message("Failed to malloc() %" PRIuMAX " bytes",
6052
(uintmax_t)message_size);
6055
/* Fill buffer with 'x' */
6056
memset(message_buffer, 'x', message_size);
6057
/* Create a new socketpair for each message size to avoid having
6058
to empty the pipe by reading the message to a separate buffer
6060
g_assert_cmpint(socketpair(PF_LOCAL, SOCK_DGRAM
6061
| SOCK_NONBLOCK | SOCK_CLOEXEC, 0,
6063
ssret = send(socketfds[1], message_buffer, message_size,
6065
error_t saved_errno = errno;
6066
g_assert_cmpint(close(socketfds[0]), ==, 0);
6067
g_assert_cmpint(close(socketfds[1]), ==, 0);
6070
if(saved_errno != EMSGSIZE) {
6071
g_test_skip("Skipping EMSGSIZE test");
6072
g_test_message("Error on send(%" PRIuMAX " bytes): %s",
6073
(uintmax_t)message_size,
6074
strerror(saved_errno));
6078
} else if(ssret != (ssize_t)message_size){
6079
g_test_skip("Skipping EMSGSIZE test");
6080
g_test_message("Partial send(): %" PRIuMAX " of %" PRIdMAX
6081
" bytes", (uintmax_t)ssret,
6082
(intmax_t)message_size);
6086
g_test_message("EMSGSIZE triggered by %" PRIdMAX " bytes",
6087
(intmax_t)message_size);
6090
.data=message_buffer,
6091
.length=message_size - 2, /* Compensate for added '+' and NUL */
6092
.allocated=message_size,
5549
const size_t oversized = 1024*1024; /* Limit seems to be 212960 */
5550
__attribute__((cleanup(cleanup_buffer)))
5552
.data=malloc(oversized),
5554
.allocated=oversized,
5556
g_assert_nonnull(password.data);
6094
5557
if(mlock(password.data, password.allocated) != 0){
6095
5558
g_assert_true(errno == EPERM or errno == ENOMEM);
5560
/* Construct test password buffer */
5561
/* Start with + since that is what the real procotol uses */
5562
password.data[0] = '+';
5563
/* Set a special character at string end just to mark the end */
5564
password.data[oversized-3] = 'y';
5565
/* Set NUL at buffer end, as suggested by the protocol */
5566
password.data[oversized-2] = '\0';
5567
/* Fill rest of password with 'x' */
5568
memset(password.data+1, 'x', oversized-3);
6098
5570
__attribute__((cleanup(cleanup_queue)))
6099
5571
task_queue *queue = create_queue();
6100
5572
g_assert_nonnull(queue);
6101
5574
g_assert_cmpint(socketpair(PF_LOCAL, SOCK_DGRAM
6102
5575
| SOCK_NONBLOCK | SOCK_CLOEXEC, 0,
6103
5576
socketfds), ==, 0);
8103
7573
test_add_inotify_dir_watch);
8104
7574
test_add_st("/task-creators/add_inotify_dir_watch/fail",
8105
7575
test_add_inotify_dir_watch_fail);
8106
test_add_st("/task-creators/add_inotify_dir_watch/not-a-directory",
8107
test_add_inotify_dir_watch_nondir);
8108
7576
test_add_st("/task-creators/add_inotify_dir_watch/EAGAIN",
8109
7577
test_add_inotify_dir_watch_EAGAIN);
8110
7578
test_add_st("/task-creators/add_inotify_dir_watch/IN_CLOSE_WRITE",
8111
7579
test_add_inotify_dir_watch_IN_CLOSE_WRITE);
8112
7580
test_add_st("/task-creators/add_inotify_dir_watch/IN_MOVED_TO",
8113
7581
test_add_inotify_dir_watch_IN_MOVED_TO);
8114
test_add_st("/task-creators/add_inotify_dir_watch/IN_MOVED_FROM",
8115
test_add_inotify_dir_watch_IN_MOVED_FROM);
8116
test_add_st("/task-creators/add_inotify_dir_watch/IN_EXCL_UNLINK",
8117
test_add_inotify_dir_watch_IN_EXCL_UNLINK);
8118
7582
test_add_st("/task-creators/add_inotify_dir_watch/IN_DELETE",
8119
7583
test_add_inotify_dir_watch_IN_DELETE);
8120
7584
test_add_st("/task/read_inotify_event/readerror",
8129
7593
test_read_inotify_event_IN_CLOSE_WRITE);
8130
7594
test_add_st("/task/read_inotify_event/IN_MOVED_TO",
8131
7595
test_read_inotify_event_IN_MOVED_TO);
8132
test_add_st("/task/read_inotify_event/IN_MOVED_FROM",
8133
test_read_inotify_event_IN_MOVED_FROM);
8134
7596
test_add_st("/task/read_inotify_event/IN_DELETE",
8135
7597
test_read_inotify_event_IN_DELETE);
8136
7598
test_add_st("/task/read_inotify_event/IN_CLOSE_WRITE/badname",
8137
7599
test_read_inotify_event_IN_CLOSE_WRITE_badname);
8138
7600
test_add_st("/task/read_inotify_event/IN_MOVED_TO/badname",
8139
7601
test_read_inotify_event_IN_MOVED_TO_badname);
8140
test_add_st("/task/read_inotify_event/IN_MOVED_FROM/badname",
8141
test_read_inotify_event_IN_MOVED_FROM_badname);
8142
7602
test_add_st("/task/read_inotify_event/IN_DELETE/badname",
8143
7603
test_read_inotify_event_IN_DELETE_badname);
8144
7604
test_add_st("/task/open_and_parse_question/ENOENT",
8241
7701
g_option_context_set_help_enabled(context, FALSE);
8242
7702
g_option_context_set_ignore_unknown_options(context, TRUE);
8244
gboolean should_run_tests = FALSE;
7704
gboolean run_tests = FALSE;
8245
7705
GOptionEntry entries[] = {
8246
7706
{ "test", 0, 0, G_OPTION_ARG_NONE,
8247
&should_run_tests, "Run tests", NULL },
7707
&run_tests, "Run tests", NULL },
8250
7710
g_option_context_add_main_entries(context, entries, NULL);
8259
7719
g_option_context_free(context);
8260
return should_run_tests != FALSE;
7720
return run_tests != FALSE;
8267
(if (not (funcall run-tests-in-test-buffer default-directory))
8268
(funcall show-test-buffer-in-test-window)
8269
(funcall remove-test-window)))
8270
run-tests-in-test-buffer:
8272
(with-current-buffer (get-buffer-create "*Test*")
8273
(setq buffer-read-only nil
8274
default-directory dir)
8277
(let ((process-result
8278
(let ((inhibit-read-only t))
8279
(process-file-shell-command
8280
(funcall get-command-line) nil "*Test*"))))
8281
(and (numberp process-result)
8282
(= process-result 0))))
8287
(funcall find-build-directory (buffer-file-name)))
8288
(local-build-directory
8289
(if (fboundp 'file-local-name)
8290
(file-local-name build-directory)
8291
(or (file-remote-p build-directory 'localname)
8294
(file-relative-name (file-name-sans-extension
8295
(buffer-file-name)) build-directory))
8296
(qbdir (shell-quote-argument local-build-directory))
8297
(qcmd (shell-quote-argument command)))
8298
(format (concat "cd %s && CFLAGS=-Werror make --silent %s"
8299
" && %s --test --verbose") qbdir qcmd qcmd)))
8300
find-build-directory:
8301
(lambda (try-directory &optional base-directory)
8302
(let ((base-directory (or base-directory try-directory)))
8303
(cond ((equal try-directory "/") base-directory)
8305
(concat (file-name-as-directory try-directory)
8306
"Makefile")) try-directory)
8307
((funcall find-build-directory
8308
(directory-file-name (file-name-directory
8311
show-test-buffer-in-test-window:
8313
(when (not (get-buffer-window-list "*Test*"))
8314
(setq next-error-last-buffer (get-buffer "*Test*"))
8315
(let* ((side (if (>= (window-width) 146) 'right 'bottom))
8316
(display-buffer-overriding-action
8317
`((display-buffer-in-side-window) (side . ,side)
8318
(window-height . fit-window-to-buffer)
8319
(window-width . fit-window-to-buffer))))
8320
(display-buffer "*Test*"))))
8323
(let ((test-window (get-buffer-window "*Test*")))
8324
(if test-window (delete-window test-window))))
8325
eval: (add-hook 'after-save-hook run-tests 90 t)