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 */
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 <stdint.h> /* SIZE_MAX */
77
#include <unistd.h> /* uid_t, gid_t, close(), pipe2(),
78
fork(), _exit(), dup2(),
79
STDOUT_FILENO, setresgid(),
80
setresuid(), execv(), ssize_t,
81
read(), dup3(), getuid(), dup(),
82
STDERR_FILENO, pause(), write(),
83
rmdir(), unlink(), getpid() */
86
84
#include <sys/mman.h> /* munlock(), mlock() */
87
85
#include <fcntl.h> /* O_CLOEXEC, O_NONBLOCK, fcntl(),
88
86
F_GETFD, F_GETFL, FD_CLOEXEC,
112
110
g_assert_null(), g_assert_false(),
113
111
g_assert_cmpint(), g_assert_cmpuint(),
114
112
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(),
113
g_test_init(), g_test_add(), g_test_run(),
114
GOptionContext, g_option_context_new(),
118
115
g_option_context_set_help_enabled(), FALSE,
119
116
g_option_context_set_ignore_unknown_options(),
120
117
gboolean, GOptionEntry, G_OPTION_ARG_NONE,
1098
1089
} ievent_buffer;
1099
1090
struct inotify_event *const ievent = &ievent_buffer.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
1092
const ssize_t read_length = read(fd, ievent, ievent_size);
1107
#if defined(__GNUC__) and __GNUC__ >= 7
1108
#pragma GCC diagnostic pop
1110
1093
if(read_length == 0){ /* EOF */
1111
1094
error(0, 0, "Got EOF from inotify fd for directory %s", filename);
1112
1095
*quit_now = true;
1488
1471
if(send_buffer == NULL){
1489
1472
error(0, errno, "Failed to allocate send_buffer");
1491
#if defined(__GNUC__) and __GNUC__ >= 5
1492
#pragma GCC diagnostic push
1493
/* mlock() does not access the memory */
1494
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
1496
1474
if(mlock(send_buffer, send_buffer_length) != 0){
1497
#if defined(__GNUC__) and __GNUC__ >= 5
1498
#pragma GCC diagnostic pop
1500
1475
/* Warn but do not treat as fatal error */
1501
1476
if(errno != EPERM and errno != ENOMEM){
1502
1477
error(0, errno, "Failed to lock memory for password"
4198
4167
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4199
4168
const size_t ievent_size = (sizeof(struct inotify_event)
4200
4169
+ sizeof(dummy_file_name));
4201
#if defined(__GNUC__) and __GNUC__ >= 11
4202
#pragma GCC diagnostic push
4203
/* ievent is pointing into a struct which is of sufficient size */
4204
#pragma GCC diagnostic ignored "-Wstringop-overread"
4206
4170
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4207
4171
==, ievent_size);
4208
#if defined(__GNUC__) and __GNUC__ >= 11
4209
#pragma GCC diagnostic pop
4211
4172
g_assert_cmpint(close(pipefds[1]), ==, 0);
4213
4174
bool quit_now = false;
4301
4262
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4302
4263
const size_t ievent_size = (sizeof(struct inotify_event)
4303
4264
+ sizeof(dummy_file_name));
4304
#if defined(__GNUC__) and __GNUC__ >= 11
4305
#pragma GCC diagnostic push
4306
/* ievent is pointing into a struct which is of sufficient size */
4307
#pragma GCC diagnostic ignored "-Wstringop-overread"
4309
4265
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4310
4266
==, ievent_size);
4311
#if defined(__GNUC__) and __GNUC__ >= 11
4312
#pragma GCC diagnostic pop
4314
4267
g_assert_cmpint(close(pipefds[1]), ==, 0);
4316
4269
bool quit_now = false;
4406
4359
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4407
4360
const size_t ievent_size = (sizeof(struct inotify_event)
4408
4361
+ sizeof(dummy_file_name));
4409
#if defined(__GNUC__) and __GNUC__ >= 11
4410
#pragma GCC diagnostic push
4411
/* ievent is pointing into a struct which is of sufficient size */
4412
#pragma GCC diagnostic ignored "-Wstringop-overread"
4414
4362
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4415
4363
==, ievent_size);
4416
#if defined(__GNUC__) and __GNUC__ >= 11
4417
#pragma GCC diagnostic pop
4419
4364
g_assert_cmpint(close(pipefds[1]), ==, 0);
4421
4366
bool quit_now = false;
4499
4444
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4500
4445
const size_t ievent_size = (sizeof(struct inotify_event)
4501
4446
+ sizeof(dummy_file_name));
4502
#if defined(__GNUC__) and __GNUC__ >= 11
4503
#pragma GCC diagnostic push
4504
/* ievent is pointing into a struct which is of sufficient size */
4505
#pragma GCC diagnostic ignored "-Wstringop-overread"
4507
4447
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4508
4448
==, ievent_size);
4509
#if defined(__GNUC__) and __GNUC__ >= 11
4510
#pragma GCC diagnostic pop
4512
4449
g_assert_cmpint(close(pipefds[1]), ==, 0);
4514
4451
bool quit_now = false;
4591
4528
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4592
4529
const size_t ievent_size = (sizeof(struct inotify_event)
4593
4530
+ sizeof(dummy_file_name));
4594
#if defined(__GNUC__) and __GNUC__ >= 11
4595
#pragma GCC diagnostic push
4596
/* ievent is pointing into a struct which is of sufficient size */
4597
#pragma GCC diagnostic ignored "-Wstringop-overread"
4599
4531
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4600
4532
==, ievent_size);
4601
#if defined(__GNUC__) and __GNUC__ >= 11
4602
#pragma GCC diagnostic pop
4604
4533
g_assert_cmpint(close(pipefds[1]), ==, 0);
4606
4535
bool quit_now = false;
4675
4604
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4676
4605
const size_t ievent_size = (sizeof(struct inotify_event)
4677
4606
+ sizeof(dummy_file_name));
4678
#if defined(__GNUC__) and __GNUC__ >= 11
4679
#pragma GCC diagnostic push
4680
/* ievent is pointing into a struct which is of sufficient size */
4681
#pragma GCC diagnostic ignored "-Wstringop-overread"
4683
4607
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4684
4608
==, ievent_size);
4685
#if defined(__GNUC__) and __GNUC__ >= 11
4686
#pragma GCC diagnostic pop
4688
4609
g_assert_cmpint(close(pipefds[1]), ==, 0);
4690
4611
bool quit_now = false;
4762
4683
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4763
4684
const size_t ievent_size = (sizeof(struct inotify_event)
4764
4685
+ sizeof(dummy_file_name));
4765
#if defined(__GNUC__) and __GNUC__ >= 11
4766
#pragma GCC diagnostic push
4767
/* ievent is pointing into a struct which is of sufficient size */
4768
#pragma GCC diagnostic ignored "-Wstringop-overread"
4770
4686
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4771
4687
==, ievent_size);
4772
#if defined(__GNUC__) and __GNUC__ >= 11
4773
#pragma GCC diagnostic pop
4775
4688
g_assert_cmpint(close(pipefds[1]), ==, 0);
4777
4690
bool quit_now = false;
4855
4768
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4856
4769
const size_t ievent_size = (sizeof(struct inotify_event)
4857
4770
+ sizeof(dummy_file_name));
4858
#if defined(__GNUC__) and __GNUC__ >= 11
4859
#pragma GCC diagnostic push
4860
/* ievent is pointing into a struct which is of sufficient size */
4861
#pragma GCC diagnostic ignored "-Wstringop-overread"
4863
4771
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4864
4772
==, ievent_size);
4865
#if defined(__GNUC__) and __GNUC__ >= 11
4866
#pragma GCC diagnostic pop
4868
4773
g_assert_cmpint(close(pipefds[1]), ==, 0);
4870
4775
bool quit_now = false;
6050
5955
char *const filename = strdup("/nonexistent/socket");
6051
5956
__attribute__((cleanup(string_set_clear)))
6052
5957
string_set cancelled_filenames = {};
6055
/* Find a message size which triggers EMSGSIZE */
6056
__attribute__((cleanup(cleanup_string)))
6057
char *message_buffer = NULL;
6058
size_t message_size = PIPE_BUF + 1;
6059
for(ssize_t ssret = 0; ssret >= 0; message_size += 1024){
6060
if(message_size >= 1024*1024*1024){ /* 1 GiB */
6061
g_test_skip("Skipping EMSGSIZE test: Will not try 1GiB");
6064
message_buffer = realloc(message_buffer, message_size);
6065
if(message_buffer == NULL){
6066
g_test_skip("Skipping EMSGSIZE test");
6067
g_test_message("Failed to malloc() %" PRIuMAX " bytes",
6068
(uintmax_t)message_size);
6071
/* Fill buffer with 'x' */
6072
memset(message_buffer, 'x', message_size);
6073
/* Create a new socketpair for each message size to avoid having
6074
to empty the pipe by reading the message to a separate buffer
6076
g_assert_cmpint(socketpair(PF_LOCAL, SOCK_DGRAM
6077
| SOCK_NONBLOCK | SOCK_CLOEXEC, 0,
6079
ssret = send(socketfds[1], message_buffer, message_size,
6081
error_t saved_errno = errno;
6082
g_assert_cmpint(close(socketfds[0]), ==, 0);
6083
g_assert_cmpint(close(socketfds[1]), ==, 0);
6086
if(saved_errno != EMSGSIZE) {
6087
g_test_skip("Skipping EMSGSIZE test");
6088
g_test_message("Error on send(%" PRIuMAX " bytes): %s",
6089
(uintmax_t)message_size,
6090
strerror(saved_errno));
6094
} else if(ssret != (ssize_t)message_size){
6095
g_test_skip("Skipping EMSGSIZE test");
6096
g_test_message("Partial send(): %" PRIuMAX " of %" PRIdMAX
6097
" bytes", (uintmax_t)ssret,
6098
(intmax_t)message_size);
6102
g_test_message("EMSGSIZE triggered by %" PRIdMAX " bytes",
6103
(intmax_t)message_size);
6106
.data=message_buffer,
6107
.length=message_size - 2, /* Compensate for added '+' and NUL */
6108
.allocated=message_size,
5958
const size_t oversized = 1024*1024; /* Limit seems to be 212960 */
5959
__attribute__((cleanup(cleanup_buffer)))
5961
.data=malloc(oversized),
5963
.allocated=oversized,
5965
g_assert_nonnull(password.data);
6110
5966
if(mlock(password.data, password.allocated) != 0){
6111
5967
g_assert_true(errno == EPERM or errno == ENOMEM);
5969
/* Construct test password buffer */
5970
/* Start with + since that is what the real procotol uses */
5971
password.data[0] = '+';
5972
/* Set a special character at string end just to mark the end */
5973
password.data[oversized-3] = 'y';
5974
/* Set NUL at buffer end, as suggested by the protocol */
5975
password.data[oversized-2] = '\0';
5976
/* Fill rest of password with 'x' */
5977
memset(password.data+1, 'x', oversized-3);
6114
5979
__attribute__((cleanup(cleanup_queue)))
6115
5980
task_queue *queue = create_queue();
6116
5981
g_assert_nonnull(queue);
6117
5983
g_assert_cmpint(socketpair(PF_LOCAL, SOCK_DGRAM
6118
5984
| SOCK_NONBLOCK | SOCK_CLOEXEC, 0,
6119
5985
socketfds), ==, 0);
8275
8141
g_option_context_free(context);
8276
8142
return should_run_tests != FALSE;
8283
(if (not (funcall run-tests-in-test-buffer default-directory))
8284
(funcall show-test-buffer-in-test-window)
8285
(funcall remove-test-window)))
8286
run-tests-in-test-buffer:
8288
(with-current-buffer (get-buffer-create "*Test*")
8289
(setq buffer-read-only nil
8290
default-directory dir)
8293
(let ((process-result
8294
(let ((inhibit-read-only t))
8295
(process-file-shell-command
8296
(funcall get-command-line) nil "*Test*"))))
8297
(and (numberp process-result)
8298
(= process-result 0))))
8303
(funcall find-build-directory (buffer-file-name)))
8304
(local-build-directory
8305
(if (fboundp 'file-local-name)
8306
(file-local-name build-directory)
8307
(or (file-remote-p build-directory 'localname)
8310
(file-relative-name (file-name-sans-extension
8311
(buffer-file-name)) build-directory))
8312
(qbdir (shell-quote-argument local-build-directory))
8313
(qcmd (shell-quote-argument command)))
8314
(format (concat "cd %s && CFLAGS=-Werror make --silent %s"
8315
" && %s --test --verbose") qbdir qcmd qcmd)))
8316
find-build-directory:
8317
(lambda (try-directory &optional base-directory)
8318
(let ((base-directory (or base-directory try-directory)))
8319
(cond ((equal try-directory "/") base-directory)
8321
(concat (file-name-as-directory try-directory)
8322
"Makefile")) try-directory)
8323
((funcall find-build-directory
8324
(directory-file-name (file-name-directory
8327
show-test-buffer-in-test-window:
8329
(when (not (get-buffer-window-list "*Test*"))
8330
(setq next-error-last-buffer (get-buffer "*Test*"))
8331
(let* ((side (if (>= (window-width) 146) 'right 'bottom))
8332
(display-buffer-overriding-action
8333
`((display-buffer-in-side-window) (side . ,side)
8334
(window-height . fit-window-to-buffer)
8335
(window-width . fit-window-to-buffer))))
8336
(display-buffer "*Test*"))))
8339
(let ((test-window (get-buffer-window "*Test*")))
8340
(if test-window (delete-window test-window))))
8341
eval: (add-hook 'after-save-hook run-tests 90 t)