23
23
* Contact the authors at <mandos@recompile.se>.
27
#include <inttypes.h> /* uintmax_t, PRIuMAX, PRIdMAX,
28
intmax_t, uint32_t, SCNx32,
30
#include <stddef.h> /* size_t */
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 */
31
33
#include <sys/types.h> /* pid_t, uid_t, gid_t, getuid(),
33
35
#include <stdbool.h> /* bool, true, false */
40
42
NSIG, sigismember(), SA_ONSTACK,
41
43
SIG_DFL, SIG_IGN, SIGINT, SIGQUIT,
42
44
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() */
43
52
#include <stdlib.h> /* EXIT_SUCCESS, EXIT_FAILURE,
44
malloc(), free(), strtoumax(),
45
realloc(), setenv(), calloc(),
46
mkdtemp(), mkostemp() */
53
malloc(), free(), realloc(),
54
setenv(), calloc(), mkdtemp(),
47
56
#include <iso646.h> /* not, or, and, xor */
48
57
#include <error.h> /* error() */
49
58
#include <sysexits.h> /* EX_USAGE, EX_OSERR, EX_OSFILE */
57
66
#include <string.h> /* strdup(), memcpy(),
58
67
explicit_bzero(), memset(),
59
68
strcmp(), strlen(), strncpy(),
60
memcmp(), basename() */
69
memcmp(), basename(), strerror() */
61
70
#include <argz.h> /* argz_create(), argz_count(),
62
71
argz_extract(), argz_next(),
73
82
ARGP_ERR_UNKNOWN, ARGP_KEY_ARGS,
74
83
struct argp, argp_parse(),
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() */
85
#include <stdint.h> /* SIZE_MAX, uint32_t */
84
86
#include <sys/mman.h> /* munlock(), mlock() */
85
87
#include <fcntl.h> /* O_CLOEXEC, O_NONBLOCK, fcntl(),
86
88
F_GETFD, F_GETFL, FD_CLOEXEC,
110
112
g_assert_null(), g_assert_false(),
111
113
g_assert_cmpint(), g_assert_cmpuint(),
112
114
g_test_skip(), g_assert_cmpstr(),
113
g_test_init(), g_test_add(), g_test_run(),
114
GOptionContext, g_option_context_new(),
115
g_test_message(), g_test_init(), g_test_add(),
116
g_test_run(), GOptionContext,
117
g_option_context_new(),
115
118
g_option_context_set_help_enabled(), FALSE,
116
119
g_option_context_set_ignore_unknown_options(),
117
120
gboolean, GOptionEntry, G_OPTION_ARG_NONE,
1095
1098
} ievent_buffer;
1096
1099
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"
1098
1106
const ssize_t read_length = read(fd, ievent, ievent_size);
1107
#if defined(__GNUC__) and __GNUC__ >= 7
1108
#pragma GCC diagnostic pop
1099
1110
if(read_length == 0){ /* EOF */
1100
1111
error(0, 0, "Got EOF from inotify fd for directory %s", filename);
1101
1112
*quit_now = true;
1477
1488
if(send_buffer == NULL){
1478
1489
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"
1480
1496
if(mlock(send_buffer, send_buffer_length) != 0){
1497
#if defined(__GNUC__) and __GNUC__ >= 5
1498
#pragma GCC diagnostic pop
1481
1500
/* Warn but do not treat as fatal error */
1482
1501
if(errno != EPERM and errno != ENOMEM){
1483
1502
error(0, errno, "Failed to lock memory for password"
4177
4198
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4178
4199
const size_t ievent_size = (sizeof(struct inotify_event)
4179
4200
+ 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"
4180
4206
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4181
4207
==, ievent_size);
4208
#if defined(__GNUC__) and __GNUC__ >= 11
4209
#pragma GCC diagnostic pop
4182
4211
g_assert_cmpint(close(pipefds[1]), ==, 0);
4184
4213
bool quit_now = false;
4272
4301
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4273
4302
const size_t ievent_size = (sizeof(struct inotify_event)
4274
4303
+ 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"
4275
4309
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4276
4310
==, ievent_size);
4311
#if defined(__GNUC__) and __GNUC__ >= 11
4312
#pragma GCC diagnostic pop
4277
4314
g_assert_cmpint(close(pipefds[1]), ==, 0);
4279
4316
bool quit_now = false;
4369
4406
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4370
4407
const size_t ievent_size = (sizeof(struct inotify_event)
4371
4408
+ 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"
4372
4414
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4373
4415
==, ievent_size);
4416
#if defined(__GNUC__) and __GNUC__ >= 11
4417
#pragma GCC diagnostic pop
4374
4419
g_assert_cmpint(close(pipefds[1]), ==, 0);
4376
4421
bool quit_now = false;
4454
4499
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4455
4500
const size_t ievent_size = (sizeof(struct inotify_event)
4456
4501
+ 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"
4457
4507
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4458
4508
==, ievent_size);
4509
#if defined(__GNUC__) and __GNUC__ >= 11
4510
#pragma GCC diagnostic pop
4459
4512
g_assert_cmpint(close(pipefds[1]), ==, 0);
4461
4514
bool quit_now = false;
4538
4591
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4539
4592
const size_t ievent_size = (sizeof(struct inotify_event)
4540
4593
+ 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"
4541
4599
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4542
4600
==, ievent_size);
4601
#if defined(__GNUC__) and __GNUC__ >= 11
4602
#pragma GCC diagnostic pop
4543
4604
g_assert_cmpint(close(pipefds[1]), ==, 0);
4545
4606
bool quit_now = false;
4614
4675
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4615
4676
const size_t ievent_size = (sizeof(struct inotify_event)
4616
4677
+ 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"
4617
4683
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4618
4684
==, ievent_size);
4685
#if defined(__GNUC__) and __GNUC__ >= 11
4686
#pragma GCC diagnostic pop
4619
4688
g_assert_cmpint(close(pipefds[1]), ==, 0);
4621
4690
bool quit_now = false;
4693
4762
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4694
4763
const size_t ievent_size = (sizeof(struct inotify_event)
4695
4764
+ 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"
4696
4770
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4697
4771
==, ievent_size);
4772
#if defined(__GNUC__) and __GNUC__ >= 11
4773
#pragma GCC diagnostic pop
4698
4775
g_assert_cmpint(close(pipefds[1]), ==, 0);
4700
4777
bool quit_now = false;
4778
4855
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4779
4856
const size_t ievent_size = (sizeof(struct inotify_event)
4780
4857
+ 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"
4781
4863
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4782
4864
==, ievent_size);
4865
#if defined(__GNUC__) and __GNUC__ >= 11
4866
#pragma GCC diagnostic pop
4783
4868
g_assert_cmpint(close(pipefds[1]), ==, 0);
4785
4870
bool quit_now = false;
5968
6050
char *const filename = strdup("/nonexistent/socket");
5969
6051
__attribute__((cleanup(string_set_clear)))
5970
6052
string_set cancelled_filenames = {};
5971
const size_t oversized = 1024*1024; /* Limit seems to be 212960 */
5972
__attribute__((cleanup(cleanup_buffer)))
5974
.data=malloc(oversized),
5976
.allocated=oversized,
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,
5978
g_assert_nonnull(password.data);
5979
6110
if(mlock(password.data, password.allocated) != 0){
5980
6111
g_assert_true(errno == EPERM or errno == ENOMEM);
5982
/* Construct test password buffer */
5983
/* Start with + since that is what the real procotol uses */
5984
password.data[0] = '+';
5985
/* Set a special character at string end just to mark the end */
5986
password.data[oversized-3] = 'y';
5987
/* Set NUL at buffer end, as suggested by the protocol */
5988
password.data[oversized-2] = '\0';
5989
/* Fill rest of password with 'x' */
5990
memset(password.data+1, 'x', oversized-3);
5992
6114
__attribute__((cleanup(cleanup_queue)))
5993
6115
task_queue *queue = create_queue();
5994
6116
g_assert_nonnull(queue);
5996
6117
g_assert_cmpint(socketpair(PF_LOCAL, SOCK_DGRAM
5997
6118
| SOCK_NONBLOCK | SOCK_CLOEXEC, 0,
5998
6119
socketfds), ==, 0);
8155
8275
g_option_context_free(context);
8156
8276
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)