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
51
ENAMETOOLONG, ENOENT, ENOTDIR,
61
ENOMEM, EEXIST, ECHILD, EPERM,
52
EEXIST, ECHILD, EPERM, ENOMEM,
62
53
EAGAIN, 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,
98
95
IN_EXCL_UNLINK, IN_ONLYDIR,
99
96
struct inotify_event */
100
97
#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() */
98
#include <stdio.h> /* asprintf(), FILE, fopen(),
99
getline(), sscanf(), feof(),
100
ferror(), fclose(), stderr,
101
rename(), fdopen(), fprintf(),
105
103
#include <glib.h> /* GKeyFile, g_key_file_free(), g_key_file_new(),
106
104
GError, g_key_file_load_from_file(),
107
105
G_KEY_FILE_NONE, TRUE, G_FILE_ERROR_NOENT,
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,
655
652
__attribute__((nonnull, warn_unused_result))
656
653
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
654
const size_t needed_size = sizeof(task_context)*(queue->length + 1);
665
655
if(needed_size > (queue->allocated)){
666
656
task_context *const new_tasks = realloc(queue->tasks,
1098
1082
} ievent_buffer;
1099
1083
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
1085
const ssize_t read_length = read(fd, ievent, ievent_size);
1107
#if defined(__GNUC__) and __GNUC__ >= 7
1108
#pragma GCC diagnostic pop
1110
1086
if(read_length == 0){ /* EOF */
1111
1087
error(0, 0, "Got EOF from inotify fd for directory %s", filename);
1112
1088
*quit_now = true;
1910
1884
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
1887
static void dummy_func(__attribute__((unused))
1937
1888
const task_context task,
1938
1889
__attribute__((unused))
4190
4137
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4191
4138
const size_t ievent_size = (sizeof(struct inotify_event)
4192
4139
+ 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
4140
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4199
4141
==, ievent_size);
4200
#if defined(__GNUC__) and __GNUC__ >= 11
4201
#pragma GCC diagnostic pop
4203
4142
g_assert_cmpint(close(pipefds[1]), ==, 0);
4205
4144
bool quit_now = false;
4293
4232
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4294
4233
const size_t ievent_size = (sizeof(struct inotify_event)
4295
4234
+ 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
4235
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4302
4236
==, ievent_size);
4303
#if defined(__GNUC__) and __GNUC__ >= 11
4304
#pragma GCC diagnostic pop
4306
4237
g_assert_cmpint(close(pipefds[1]), ==, 0);
4308
4239
bool quit_now = false;
4398
4329
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4399
4330
const size_t ievent_size = (sizeof(struct inotify_event)
4400
4331
+ 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
4332
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4407
4333
==, ievent_size);
4408
#if defined(__GNUC__) and __GNUC__ >= 11
4409
#pragma GCC diagnostic pop
4411
4334
g_assert_cmpint(close(pipefds[1]), ==, 0);
4413
4336
bool quit_now = false;
4491
4414
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4492
4415
const size_t ievent_size = (sizeof(struct inotify_event)
4493
4416
+ 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
4417
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4500
4418
==, ievent_size);
4501
#if defined(__GNUC__) and __GNUC__ >= 11
4502
#pragma GCC diagnostic pop
4504
4419
g_assert_cmpint(close(pipefds[1]), ==, 0);
4506
4421
bool quit_now = false;
4583
4498
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4584
4499
const size_t ievent_size = (sizeof(struct inotify_event)
4585
4500
+ 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
4501
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4592
4502
==, ievent_size);
4593
#if defined(__GNUC__) and __GNUC__ >= 11
4594
#pragma GCC diagnostic pop
4596
4503
g_assert_cmpint(close(pipefds[1]), ==, 0);
4598
4505
bool quit_now = false;
4667
4574
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4668
4575
const size_t ievent_size = (sizeof(struct inotify_event)
4669
4576
+ 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
4577
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4676
4578
==, ievent_size);
4677
#if defined(__GNUC__) and __GNUC__ >= 11
4678
#pragma GCC diagnostic pop
4680
4579
g_assert_cmpint(close(pipefds[1]), ==, 0);
4682
4581
bool quit_now = false;
4754
4653
memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4755
4654
const size_t ievent_size = (sizeof(struct inotify_event)
4756
4655
+ 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
4656
g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4763
4657
==, ievent_size);
4764
#if defined(__GNUC__) and __GNUC__ >= 11
4765
#pragma GCC diagnostic pop
4767
4658
g_assert_cmpint(close(pipefds[1]), ==, 0);
4769
4660
bool quit_now = false;
6034
5925
char *const filename = strdup("/nonexistent/socket");
6035
5926
__attribute__((cleanup(string_set_clear)))
6036
5927
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,
5928
const size_t oversized = 1024*1024; /* Limit seems to be 212960 */
5929
__attribute__((cleanup(cleanup_buffer)))
5931
.data=malloc(oversized),
5933
.allocated=oversized,
5935
g_assert_nonnull(password.data);
6094
5936
if(mlock(password.data, password.allocated) != 0){
6095
5937
g_assert_true(errno == EPERM or errno == ENOMEM);
5939
/* Construct test password buffer */
5940
/* Start with + since that is what the real procotol uses */
5941
password.data[0] = '+';
5942
/* Set a special character at string end just to mark the end */
5943
password.data[oversized-3] = 'y';
5944
/* Set NUL at buffer end, as suggested by the protocol */
5945
password.data[oversized-2] = '\0';
5946
/* Fill rest of password with 'x' */
5947
memset(password.data+1, 'x', oversized-3);
6098
5949
__attribute__((cleanup(cleanup_queue)))
6099
5950
task_queue *queue = create_queue();
6100
5951
g_assert_nonnull(queue);
6101
5953
g_assert_cmpint(socketpair(PF_LOCAL, SOCK_DGRAM
6102
5954
| SOCK_NONBLOCK | SOCK_CLOEXEC, 0,
6103
5955
socketfds), ==, 0);
8010
7862
test_add("/parse_arguments/mixed", test_parse_arguments_mixed);
8011
7863
test_add("/queue/create", test_create_queue);
8012
7864
test_add("/queue/add", test_add_to_queue);
8013
test_add("/queue/add/overflow", test_add_to_queue_overflow);
8014
7865
test_add("/queue/has_question/empty",
8015
7866
test_queue_has_question_empty);
8016
7867
test_add("/queue/has_question/false",
8241
8092
g_option_context_set_help_enabled(context, FALSE);
8242
8093
g_option_context_set_ignore_unknown_options(context, TRUE);
8244
gboolean should_run_tests = FALSE;
8095
gboolean run_tests = FALSE;
8245
8096
GOptionEntry entries[] = {
8246
8097
{ "test", 0, 0, G_OPTION_ARG_NONE,
8247
&should_run_tests, "Run tests", NULL },
8098
&run_tests, "Run tests", NULL },
8250
8101
g_option_context_add_main_entries(context, entries, NULL);
8259
8110
g_option_context_free(context);
8260
return should_run_tests != FALSE;
8111
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)