/mandos/release : revision 237.7.679

1

/* -*- coding: utf-8; lexical-binding: t -*- */

1

/* -*- mode: c; coding: utf-8; after-save-hook: (lambda () (let* ((find-build-directory (lambda (try-directory &optional base-directory) (let ((base-directory (or base-directory try-directory))) (cond ((equal try-directory "/") base-directory) ((file-readable-p (concat (file-name-as-directory try-directory) "Makefile")) try-directory) ((funcall find-build-directory (directory-file-name (file-name-directory try-directory)) base-directory)))))) (build-directory (funcall find-build-directory (buffer-file-name))) (local-build-directory (if (fboundp 'file-local-name) (file-local-name build-directory) (or (file-remote-p build-directory 'localname) build-directory))) (command (file-relative-name (file-name-sans-extension (buffer-file-name)) build-directory))) (pcase (progn (if (get-buffer "*Test*") (kill-buffer "*Test*")) (process-file-shell-command (let ((qbdir (shell-quote-argument local-build-directory)) (qcmd (shell-quote-argument command))) (format "cd %s && CFLAGS=-Werror make --silent %s && %s --test --verbose" qbdir qcmd qcmd)) nil "*Test*")) (0 (let ((w (get-buffer-window "*Test*"))) (if w (delete-window w)))) (_ (with-current-buffer "*Test*" (compilation-mode) (cd-absolute build-directory)) (display-buffer "*Test*" '(display-buffer-in-side-window)))))); -*- */

2

/*

3

* Mandos password agent - Simple password agent to run Mandos client

4

*

5

6

5

6

7

*

8

* This file is part of Mandos.

9

*

23

* Contact the authors at <mandos@recompile.se>.

24

*/

25

26

#define _GNU_SOURCE /* pipe2(), O_CLOEXEC, setresgid(),

27

setresuid(), asprintf(), getline(),

28

basename() */

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 */

26

#define _GNU_SOURCE

27

#include <inttypes.h> /* uintmax_t, PRIuMAX, PRIdMAX,

28

intmax_t, uint32_t, SCNx32,

29

SCNuMAX, SCNxMAX */

30

#include <stddef.h> /* size_t */

33

31

#include <sys/types.h> /* pid_t, uid_t, gid_t, getuid(),

34

32

getpid() */

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(),

55

mkostemp() */

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,

65

56

EINVAL */

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

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#include <argz.h> /* argz_create(), argz_count(),

71

62

argz_extract(), argz_next(),

72

63

argz_add() */

82

73

ARGP_ERR_UNKNOWN, ARGP_KEY_ARGS,

83

74

struct argp, argp_parse(),

84

75

ARGP_NO_EXIT */

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(),

92

88

WEXITSTATUS() */

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(),

99

fscanf() */

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,

151

145

mono_microsecs next_run;

152

146

} __attribute__((designated_init)) task_queue;

153

147

154

/* "task_func" - A function type for task functions

148

/* "func_type" - A function type for task functions

155

149

156

150

I.e. functions for the code which runs when a task is run, all have

157

151

this type */

437

431

case EACCES:

438

432

case ENAMETOOLONG:

439

433

case ENOENT:

440

case ENOTDIR:

441

434

return EX_OSFILE;

442

435

default:

443

436

return EX_OSERR;

654

647

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))){

658

/* overflow */

659

error(0, ENOMEM, "Failed to allocate %" PRIuMAX

660

" tasks for queue->tasks", (uintmax_t)(queue->length + 1));

661

errno = ENOMEM;

662

return false;

663

}

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,

871

857

}

872

858

close(pipefds[1]);

873

859

874

if(pid == -1){

875

error(0, errno, "Failed to fork()");

876

close(pipefds[0]);

877

return false;

878

}

879

880

860

if(not add_to_queue(queue, (task_context){

881

861

.func=wait_for_mandos_client_exit,

882

862

.pid=pid,

1037

1017

return false;

1038

1018

}

1039

1019

1040

if(inotify_add_watch(fd, dir, IN_CLOSE_WRITE | IN_MOVED_TO

1041

| IN_MOVED_FROM| IN_DELETE | IN_EXCL_UNLINK

1042

| IN_ONLYDIR)

1020

if(inotify_add_watch(fd, dir, IN_CLOSE_WRITE

1021

| IN_MOVED_TO | IN_DELETE)

1043

1022

== -1){

1044

1023

error(0, errno, "Failed to create inotify watch on %s", dir);

1045

1024

return false;

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);

1095

struct {

1096

struct inotify_event event;

1097

char name_buffer[NAME_MAX + 1];

1098

} ievent_buffer;

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 *)

1076

ievent_buffer);

1100

1077

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"

1105

#endif

1106

1078

const ssize_t read_length = read(fd, ievent, ievent_size);

1107

#if defined(__GNUC__) and __GNUC__ >= 7

1108

#pragma GCC diagnostic pop

1109

#endif

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;

1148

1117

immediately */

1149

1118

queue->next_run = 1;

1150

1119

}

1151

} else if(ievent->mask & (IN_MOVED_FROM | IN_DELETE)){

1120

} else if(ievent->mask & IN_DELETE){

1152

1121

if(not string_set_add(cancelled_filenames,

1153

1122

question_filename)){

1154

1123

error(0, errno, "Could not add question %s to"

1204

1173

bool *const password_is_read = task.password_is_read;

1205

1174

1206

1175

/* We use the GLib "Key-value file parser" functions to parse the

1207

question file. See <https://systemd.io/PASSWORD_AGENTS/> for

1208

specification of contents */

1176

question file. See <https://www.freedesktop.org/wiki/Software

1177

/systemd/PasswordAgents/> for specification of contents */

1209

1178

__attribute__((nonnull))

1210

1179

void cleanup_g_key_file(GKeyFile **key_file){

1211

1180

if(*key_file != NULL){

1488

1457

if(send_buffer == NULL){

1489

1458

error(0, errno, "Failed to allocate send_buffer");

1490

1459

} else {

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"

1495

#endif

1496

1460

if(mlock(send_buffer, send_buffer_length) != 0){

1497

#if defined(__GNUC__) and __GNUC__ >= 5

1498

#pragma GCC diagnostic pop

1499

#endif

1500

1461

/* Warn but do not treat as fatal error */

1501

1462

if(errno != EPERM and errno != ENOMEM){

1502

1463

error(0, errno, "Failed to lock memory for password"

1509

1470

not. You may but don't have to include a final NUL byte in

1510

1471

your message.

1511

1472

1512

— <https://systemd.io/PASSWORD_AGENTS/> (Tue, 15 Sep 2020

1513

14:24:20 GMT)

1473

— <https://www.freedesktop.org/wiki/Software/systemd/

1474

PasswordAgents/> (Wed 08 Oct 2014 02:14:28 AM UTC)

1514

1475

*/

1515

1476

send_buffer[0] = '+'; /* Prefix with "+" */

1516

1477

/* Always add an extra NUL */

1521

1482

errno = 0;

1522

1483

ssize_t ssret = send(fd, send_buffer, send_buffer_length,

1523

1484

MSG_NOSIGNAL);

1524

const error_t saved_errno = (ssret < 0) ? errno : 0;

1485

const error_t saved_errno = errno;

1525

1486

#if defined(__GLIBC_PREREQ) and __GLIBC_PREREQ(2, 25)

1526

1487

explicit_bzero(send_buffer, send_buffer_length);

1527

1488

#else

1545

1506

/* Retry, below */

1546

1507

break;

1547

1508

case EMSGSIZE:

1548

error(0, saved_errno, "Password of size %" PRIuMAX

1549

" is too big", (uintmax_t)password->length);

1509

error(0, 0, "Password of size %" PRIuMAX " is too big",

1510

(uintmax_t)password->length);

1550

1511

#if __GNUC__ < 7

1551

1512

/* FALLTHROUGH */

1552

1513

#else

1554

1515

#endif

1555

1516

case 0:

1556

1517

if(ssret >= 0 and ssret < (ssize_t)send_buffer_length){

1557

error(0, 0, "Password only partially sent to socket %s: %"

1558

PRIuMAX " out of %" PRIuMAX " bytes sent", filename,

1559

(uintmax_t)ssret, (uintmax_t)send_buffer_length);

1518

error(0, 0, "Password only partially sent to socket");

1560

1519

}

1561

1520

#if __GNUC__ < 7

1562

1521

/* FALLTHROUGH */

1918

1877

g_assert_true(queue->tasks[0].func == dummy_func);

1919

1878

}

1920

1879

1921

static void test_add_to_queue_overflow(__attribute__((unused))

1922

test_fixture *fixture,

1923

__attribute__((unused))

1924

gconstpointer user_data){

1925

__attribute__((cleanup(cleanup_queue)))

1926

task_queue *queue = create_queue();

1927

g_assert_nonnull(queue);

1928

g_assert_true(queue->length == 0);

1929

queue->length = SIZE_MAX / sizeof(task_context); /* fake max size */

1930

1931

FILE *real_stderr = stderr;

1932

FILE *devnull = fopen("/dev/null", "we");

1933

g_assert_nonnull(devnull);

1934

stderr = devnull;

1935

const bool ret = add_to_queue(queue,

1936

(task_context){ .func=dummy_func });

1937

g_assert_true(errno == ENOMEM);

1938

g_assert_false(ret);

1939

stderr = real_stderr;

1940

g_assert_cmpint(fclose(devnull), ==, 0);

1941

queue->length = 0; /* Restore real size */

1942

}

1943

1944

1880

static void dummy_func(__attribute__((unused))

1945

1881

const task_context task,

1946

1882

__attribute__((unused))

2217

2153

}

2218

2154

exit(EXIT_SUCCESS);

2219

2155

}

2220

if(pid == -1){

2221

error(EXIT_FAILURE, errno, "Failed to fork()");

2222

}

2223

2224

2156

int status;

2225

2157

waitpid(pid, &status, 0);

2226

2158

if(WIFEXITED(status) and (WEXITSTATUS(status) == EXIT_SUCCESS)){

2288

2220

2289

2221

{

2290

2222

__attribute__((cleanup(cleanup_close)))

2291

const int devnull_fd = open("/dev/null",

2292

O_WRONLY | O_CLOEXEC | O_NOCTTY);

2223

const int devnull_fd = open("/dev/null", O_WRONLY | O_CLOEXEC);

2293

2224

g_assert_cmpint(devnull_fd, >=, 0);

2294

2225

__attribute__((cleanup(cleanup_close)))

2295

2226

const int real_stderr_fd = dup(STDERR_FILENO);

2319

2250

{

2320

2251

__attribute__((cleanup(cleanup_close)))

2321

2252

const int devnull_fd = open("/dev/null",

2322

O_WRONLY | O_CLOEXEC | O_NOCTTY);

2253

O_WRONLY | O_CLOEXEC);

2323

2254

g_assert_cmpint(devnull_fd, >=, 0);

2324

2255

__attribute__((cleanup(cleanup_close)))

2325

2256

const int real_stderr_fd = dup(STDERR_FILENO);

2669

2600

bool password_is_read = false;

2670

2601

const char helper_directory[] = "/nonexistent";

2671

2602

const char *const argv[] = { "/bin/sh", "-c",

2672

"printf %s \"${MANDOSPLUGINHELPERDIR}\"", NULL };

2603

"echo -n ${MANDOSPLUGINHELPERDIR}", NULL };

2673

2604

2674

2605

const bool success = start_mandos_client(queue, epoll_fd,

2675

2606

&mandos_client_exited,

2970

2901

2971

2902

__attribute__((cleanup(cleanup_close)))

2972

2903

const int devnull_fd = open("/dev/null",

2973

O_WRONLY | O_CLOEXEC | O_NOCTTY);

2904

O_WRONLY | O_CLOEXEC);

2974

2905

g_assert_cmpint(devnull_fd, >=, 0);

2975

2906

__attribute__((cleanup(cleanup_close)))

2976

2907

const int real_stderr_fd = dup(STDERR_FILENO);

3041

2972

3042

2973

__attribute__((cleanup(cleanup_close)))

3043

2974

const int devnull_fd = open("/dev/null",

3044

O_WRONLY | O_CLOEXEC, O_NOCTTY);

2975

O_WRONLY | O_CLOEXEC);

3045

2976

g_assert_cmpint(devnull_fd, >=, 0);

3046

2977

__attribute__((cleanup(cleanup_close)))

3047

2978

const int real_stderr_fd = dup(STDERR_FILENO);

3085

3016

buffer password = {};

3086

3017

3087

3018

/* Reading /proc/self/mem from offset 0 will always give EIO */

3088

const int fd = open("/proc/self/mem",

3089

O_RDONLY | O_CLOEXEC | O_NOCTTY);

3019

const int fd = open("/proc/self/mem", O_RDONLY | O_CLOEXEC);

3090

3020

3091

3021

bool password_is_read = false;

3092

3022

bool quit_now = false;

3520

3450

g_assert_cmpuint((unsigned int)queue->length, ==, 0);

3521

3451

}

3522

3452

3523

static void test_add_inotify_dir_watch_nondir(__attribute__((unused))

3524

test_fixture *fixture,

3525

__attribute__((unused))

3526

gconstpointer

3527

user_data){

3528

__attribute__((cleanup(cleanup_close)))

3529

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

3530

g_assert_cmpint(epoll_fd, >=, 0);

3531

__attribute__((cleanup(cleanup_queue)))

3532

task_queue *queue = create_queue();

3533

g_assert_nonnull(queue);

3534

__attribute__((cleanup(string_set_clear)))

3535

string_set cancelled_filenames = {};

3536

const mono_microsecs current_time = 0;

3537

3538

bool quit_now = false;

3539

buffer password = {};

3540

bool mandos_client_exited = false;

3541

bool password_is_read = false;

3542

3543

const char not_a_directory[] = "/dev/tty";

3544

3545

FILE *real_stderr = stderr;

3546

FILE *devnull = fopen("/dev/null", "we");

3547

g_assert_nonnull(devnull);

3548

stderr = devnull;

3549

g_assert_false(add_inotify_dir_watch(queue, epoll_fd, &quit_now,

3550

&password, not_a_directory,

3551

&cancelled_filenames,

3552

&current_time,

3553

&mandos_client_exited,

3554

&password_is_read));

3555

stderr = real_stderr;

3556

g_assert_cmpint(fclose(devnull), ==, 0);

3557

3558

g_assert_cmpuint((unsigned int)queue->length, ==, 0);

3559

}

3560

3561

3453

static void test_add_inotify_dir_watch_EAGAIN(__attribute__((unused))

3562

3454

test_fixture *fixture,

3563

3455

__attribute__((unused))

3778

3670

}

3779

3671

3780

3672

static

3781

void test_add_inotify_dir_watch_IN_MOVED_FROM(__attribute__((unused))

3782

test_fixture *fixture,

3783

__attribute__((unused))

3784

gconstpointer

3785

user_data){

3786

__attribute__((cleanup(cleanup_close)))

3787

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

3788

g_assert_cmpint(epoll_fd, >=, 0);

3789

__attribute__((cleanup(cleanup_queue)))

3790

task_queue *queue = create_queue();

3791

g_assert_nonnull(queue);

3792

__attribute__((cleanup(string_set_clear)))

3793

string_set cancelled_filenames = {};

3794

const mono_microsecs current_time = 0;

3795

3796

bool quit_now = false;

3797

buffer password = {};

3798

bool mandos_client_exited = false;

3799

bool password_is_read = false;

3800

3801

__attribute__((cleanup(cleanup_string)))

3802

char *tempdir = make_temporary_directory();

3803

g_assert_nonnull(tempdir);

3804

3805

__attribute__((cleanup(cleanup_string)))

3806

char *tempfilename = make_temporary_file_in_directory(tempdir);

3807

g_assert_nonnull(tempfilename);

3808

3809

__attribute__((cleanup(cleanup_string)))

3810

char *targetdir = make_temporary_directory();

3811

g_assert_nonnull(targetdir);

3812

3813

__attribute__((cleanup(cleanup_string)))

3814

char *targetfilename = NULL;

3815

g_assert_cmpint(asprintf(&targetfilename, "%s/%s", targetdir,

3816

basename(tempfilename)), >, 0);

3817

g_assert_nonnull(targetfilename);

3818

3819

g_assert_true(add_inotify_dir_watch(queue, epoll_fd, &quit_now,

3820

&password, tempdir,

3821

&cancelled_filenames,

3822

&current_time,

3823

&mandos_client_exited,

3824

&password_is_read));

3825

3826

g_assert_cmpint(rename(tempfilename, targetfilename), ==, 0);

3827

3828

const task_context *const added_read_task

3829

= find_matching_task(queue,

3830

(task_context){ .func=read_inotify_event });

3831

g_assert_nonnull(added_read_task);

3832

3833

/* "sufficient to read at least one event." - inotify(7) */

3834

const size_t ievent_size = (sizeof(struct inotify_event)

3835

+ NAME_MAX + 1);

3836

struct inotify_event *ievent = malloc(ievent_size);

3837

g_assert_nonnull(ievent);

3838

3839

ssize_t read_size = read(added_read_task->fd, ievent, ievent_size);

3840

3841

g_assert_cmpint((int)read_size, >, 0);

3842

g_assert_true(ievent->mask & IN_MOVED_FROM);

3843

g_assert_cmpstr(ievent->name, ==, basename(tempfilename));

3844

3845

free(ievent);

3846

3847

g_assert_cmpint(unlink(targetfilename), ==, 0);

3848

g_assert_cmpint(rmdir(targetdir), ==, 0);

3849

g_assert_cmpint(rmdir(tempdir), ==, 0);

3850

}

3851

3852

static

3853

3673

void test_add_inotify_dir_watch_IN_DELETE(__attribute__((unused))

3854

3674

test_fixture *fixture,

3855

3675

__attribute__((unused))

3913

3733

g_assert_cmpint(rmdir(tempdir), ==, 0);

3914

3734

}

3915

3735

3916

static

3917

void test_add_inotify_dir_watch_IN_EXCL_UNLINK(__attribute__((unused))

3918

test_fixture *fixture,

3919

__attribute__((unused))

3920

gconstpointer

3921

user_data){

3922

__attribute__((cleanup(cleanup_close)))

3923

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

3924

g_assert_cmpint(epoll_fd, >=, 0);

3925

__attribute__((cleanup(cleanup_queue)))

3926

task_queue *queue = create_queue();

3927

g_assert_nonnull(queue);

3928

__attribute__((cleanup(string_set_clear)))

3929

string_set cancelled_filenames = {};

3930

const mono_microsecs current_time = 0;

3931

3932

bool quit_now = false;

3933

buffer password = {};

3934

bool mandos_client_exited = false;

3935

bool password_is_read = false;

3936

3937

__attribute__((cleanup(cleanup_string)))

3938

char *tempdir = make_temporary_directory();

3939

g_assert_nonnull(tempdir);

3940

3941

__attribute__((cleanup(cleanup_string)))

3942

char *tempfile = make_temporary_file_in_directory(tempdir);

3943

g_assert_nonnull(tempfile);

3944

int tempfile_fd = open(tempfile, O_WRONLY | O_CLOEXEC | O_NOCTTY

3945

| O_NOFOLLOW);

3946

g_assert_cmpint(tempfile_fd, >, 2);

3947

3948

g_assert_true(add_inotify_dir_watch(queue, epoll_fd, &quit_now,

3949

&password, tempdir,

3950

&cancelled_filenames,

3951

&current_time,

3952

&mandos_client_exited,

3953

&password_is_read));

3954

g_assert_cmpint(unlink(tempfile), ==, 0);

3955

3956

g_assert_cmpuint((unsigned int)queue->length, >, 0);

3957

3958

const task_context *const added_read_task

3959

= find_matching_task(queue,

3960

(task_context){ .func=read_inotify_event });

3961

g_assert_nonnull(added_read_task);

3962

3963

g_assert_cmpint(added_read_task->fd, >, 2);

3964

g_assert_true(fd_has_cloexec_and_nonblock(added_read_task->fd));

3965

3966

/* "sufficient to read at least one event." - inotify(7) */

3967

const size_t ievent_size = (sizeof(struct inotify_event)

3968

+ NAME_MAX + 1);

3969

struct inotify_event *ievent = malloc(ievent_size);

3970

g_assert_nonnull(ievent);

3971

3972

ssize_t read_size = 0;

3973

read_size = read(added_read_task->fd, ievent, ievent_size);

3974

3975

g_assert_cmpint((int)read_size, >, 0);

3976

g_assert_true(ievent->mask & IN_DELETE);

3977

g_assert_cmpstr(ievent->name, ==, basename(tempfile));

3978

3979

g_assert_cmpint(close(tempfile_fd), ==, 0);

3980

3981

/* IN_EXCL_UNLINK should make the closing of the previously unlinked

3982

file not appear as an ievent, so we should not see it now. */

3983

read_size = read(added_read_task->fd, ievent, ievent_size);

3984

g_assert_cmpint((int)read_size, ==, -1);

3985

g_assert_true(errno == EAGAIN);

3986

3987

free(ievent);

3988

3989

g_assert_cmpint(rmdir(tempdir), ==, 0);

3990

}

3991

3992

3736

static void test_read_inotify_event_readerror(__attribute__((unused))

3993

3737

test_fixture *fixture,

3994

3738

__attribute__((unused))

4000

3744

const mono_microsecs current_time = 0;

4001

3745

4002

3746

/* Reading /proc/self/mem from offset 0 will always result in EIO */

4003

const int fd = open("/proc/self/mem",

4004

O_RDONLY | O_CLOEXEC | O_NOCTTY);

3747

const int fd = open("/proc/self/mem", O_RDONLY | O_CLOEXEC);

4005

3748

4006

3749

bool quit_now = false;

4007

3750

__attribute__((cleanup(cleanup_queue)))

4186

3929

const size_t ievent_max_size = (sizeof(struct inotify_event)

4187

3930

+ NAME_MAX + 1);

4188

3931

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4189

struct {

4190

struct inotify_event event;

4191

char name_buffer[NAME_MAX + 1];

4192

} ievent_buffer;

4193

struct inotify_event *const ievent = &ievent_buffer.event;

3932

char ievent_buffer[sizeof(struct inotify_event) + NAME_MAX + 1];

3933

struct inotify_event *ievent = ((struct inotify_event *)

3934

ievent_buffer);

4194

3935

4195

3936

const char dummy_file_name[] = "ask.dummy_file_name";

4196

3937

ievent->mask = IN_CLOSE_WRITE;

4198

3939

memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));

4199

3940

const size_t ievent_size = (sizeof(struct inotify_event)

4200

3941

+ 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"

4205

#endif

4206

g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),

3942

g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),

4207

3943

==, ievent_size);

4208

#if defined(__GNUC__) and __GNUC__ >= 11

4209

#pragma GCC diagnostic pop

4210

#endif

4211

3944

g_assert_cmpint(close(pipefds[1]), ==, 0);

4212

3945

4213

3946

bool quit_now = false;

4289

4022

const size_t ievent_max_size = (sizeof(struct inotify_event)

4290

4023

+ NAME_MAX + 1);

4291

4024

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4292

struct {

4293

struct inotify_event event;

4294

char name_buffer[NAME_MAX + 1];

4295

} ievent_buffer;

4296

struct inotify_event *const ievent = &ievent_buffer.event;

4025

char ievent_buffer[sizeof(struct inotify_event) + NAME_MAX + 1];

4026

struct inotify_event *ievent = ((struct inotify_event *)

4027

ievent_buffer);

4297

4028

4298

4029

const char dummy_file_name[] = "ask.dummy_file_name";

4299

4030

ievent->mask = IN_MOVED_TO;

4301

4032

memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));

4302

4033

const size_t ievent_size = (sizeof(struct inotify_event)

4303

4034

+ 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"

4308

#endif

4309

g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),

4035

g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),

4310

4036

==, ievent_size);

4311

#if defined(__GNUC__) and __GNUC__ >= 11

4312

#pragma GCC diagnostic pop

4313

#endif

4314

4037

g_assert_cmpint(close(pipefds[1]), ==, 0);

4315

4038

4316

4039

bool quit_now = false;

4375

4098

}));

4376

4099

}

4377

4100

4378

static

4379

void test_read_inotify_event_IN_MOVED_FROM(__attribute__((unused))

4380

test_fixture *fixture,

4381

__attribute__((unused))

4382

gconstpointer user_data){

4383

__attribute__((cleanup(cleanup_close)))

4384

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

4385

g_assert_cmpint(epoll_fd, >=, 0);

4386

__attribute__((cleanup(string_set_clear)))

4387

string_set cancelled_filenames = {};

4388

const mono_microsecs current_time = 0;

4389

4390

int pipefds[2];

4391

g_assert_cmpint(pipe2(pipefds, O_CLOEXEC | O_NONBLOCK), ==, 0);

4392

4393

/* "sufficient to read at least one event." - inotify(7) */

4394

const size_t ievent_max_size = (sizeof(struct inotify_event)

4395

+ NAME_MAX + 1);

4396

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4397

struct {

4398

struct inotify_event event;

4399

char name_buffer[NAME_MAX + 1];

4400

} ievent_buffer;

4401

struct inotify_event *const ievent = &ievent_buffer.event;

4402

4403

const char dummy_file_name[] = "ask.dummy_file_name";

4404

ievent->mask = IN_MOVED_FROM;

4405

ievent->len = sizeof(dummy_file_name);

4406

memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));

4407

const size_t ievent_size = (sizeof(struct inotify_event)

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"

4413

#endif

4414

g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),

4415

==, ievent_size);

4416

#if defined(__GNUC__) and __GNUC__ >= 11

4417

#pragma GCC diagnostic pop

4418

#endif

4419

g_assert_cmpint(close(pipefds[1]), ==, 0);

4420

4421

bool quit_now = false;

4422

buffer password = {};

4423

bool mandos_client_exited = false;

4424

bool password_is_read = false;

4425

__attribute__((cleanup(cleanup_queue)))

4426

task_queue *queue = create_queue();

4427

g_assert_nonnull(queue);

4428

4429

task_context task = {

4430

.func=read_inotify_event,

4431

.epoll_fd=epoll_fd,

4432

.fd=pipefds[0],

4433

.quit_now=&quit_now,

4434

.password=&password,

4435

.filename=strdup("/nonexistent"),

4436

.cancelled_filenames=&cancelled_filenames,

4437

.current_time=&current_time,

4438

.mandos_client_exited=&mandos_client_exited,

4439

.password_is_read=&password_is_read,

4440

};

4441

task.func(task, queue);

4442

g_assert_false(quit_now);

4443

g_assert_true(queue->next_run == 0);

4444

g_assert_cmpuint((unsigned int)queue->length, ==, 1);

4445

4446

g_assert_nonnull(find_matching_task(queue, (task_context){

4447

.func=read_inotify_event,

4448

.epoll_fd=epoll_fd,

4449

.fd=pipefds[0],

4450

.quit_now=&quit_now,

4451

.password=&password,

4452

.filename=task.filename,

4453

.cancelled_filenames=&cancelled_filenames,

4454

.current_time=&current_time,

4455

.mandos_client_exited=&mandos_client_exited,

4456

.password_is_read=&password_is_read,

4457

}));

4458

4459

g_assert_true(epoll_set_contains(epoll_fd, pipefds[0],

4460

EPOLLIN | EPOLLRDHUP));

4461

4462

__attribute__((cleanup(cleanup_string)))

4463

char *filename = NULL;

4464

g_assert_cmpint(asprintf(&filename, "%s/%s", task.filename,

4465

dummy_file_name), >, 0);

4466

g_assert_nonnull(filename);

4467

g_assert_true(string_set_contains(*task.cancelled_filenames,

4468

filename));

4469

}

4470

4471

4101

static void test_read_inotify_event_IN_DELETE(__attribute__((unused))

4472

4102

test_fixture *fixture,

4473

4103

__attribute__((unused))

4487

4117

const size_t ievent_max_size = (sizeof(struct inotify_event)

4488

4118

+ NAME_MAX + 1);

4489

4119

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4490

struct {

4491

struct inotify_event event;

4492

char name_buffer[NAME_MAX + 1];

4493

} ievent_buffer;

4494

struct inotify_event *const ievent = &ievent_buffer.event;

4120

char ievent_buffer[sizeof(struct inotify_event) + NAME_MAX + 1];

4121

struct inotify_event *ievent = ((struct inotify_event *)

4122

ievent_buffer);

4495

4123

4496

4124

const char dummy_file_name[] = "ask.dummy_file_name";

4497

4125

ievent->mask = IN_DELETE;

4499

4127

memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));

4500

4128

const size_t ievent_size = (sizeof(struct inotify_event)

4501

4129

+ 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"

4506

#endif

4507

g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),

4130

g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),

4508

4131

==, ievent_size);

4509

#if defined(__GNUC__) and __GNUC__ >= 11

4510

#pragma GCC diagnostic pop

4511

#endif

4512

4132

g_assert_cmpint(close(pipefds[1]), ==, 0);

4513

4133

4514

4134

bool quit_now = false;

4579

4199

const size_t ievent_max_size = (sizeof(struct inotify_event)

4580

4200

+ NAME_MAX + 1);

4581

4201

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4582

struct {

4583

struct inotify_event event;

4584

char name_buffer[NAME_MAX + 1];

4585

} ievent_buffer;

4586

struct inotify_event *const ievent = &ievent_buffer.event;

4202

char ievent_buffer[sizeof(struct inotify_event) + NAME_MAX + 1];

4203

struct inotify_event *ievent = ((struct inotify_event *)

4204

ievent_buffer);

4587

4205

4588

4206

const char dummy_file_name[] = "ignored.dummy_file_name";

4589

4207

ievent->mask = IN_CLOSE_WRITE;

4591

4209

memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));

4592

4210

const size_t ievent_size = (sizeof(struct inotify_event)

4593

4211

+ 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"

4598

#endif

4599

g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),

4212

g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),

4600

4213

==, ievent_size);

4601

#if defined(__GNUC__) and __GNUC__ >= 11

4602

#pragma GCC diagnostic pop

4603

#endif

4604

4214

g_assert_cmpint(close(pipefds[1]), ==, 0);

4605

4215

4606

4216

bool quit_now = false;

4663

4273

const size_t ievent_max_size = (sizeof(struct inotify_event)

4664

4274

+ NAME_MAX + 1);

4665

4275

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4666

struct {

4667

struct inotify_event event;

4668

char name_buffer[NAME_MAX + 1];

4669

} ievent_buffer;

4670

struct inotify_event *const ievent = &ievent_buffer.event;

4276

char ievent_buffer[sizeof(struct inotify_event) + NAME_MAX + 1];

4277

struct inotify_event *ievent = ((struct inotify_event *)

4278

ievent_buffer);

4671

4279

4672

4280

const char dummy_file_name[] = "ignored.dummy_file_name";

4673

4281

ievent->mask = IN_MOVED_TO;

4675

4283

memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));

4676

4284

const size_t ievent_size = (sizeof(struct inotify_event)

4677

4285

+ 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"

4682

#endif

4683

g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),

4286

g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),

4684

4287

==, ievent_size);

4685

#if defined(__GNUC__) and __GNUC__ >= 11

4686

#pragma GCC diagnostic pop

4687

#endif

4688

4288

g_assert_cmpint(close(pipefds[1]), ==, 0);

4689

4289

4690

4290

bool quit_now = false;

4730

4330

EPOLLIN | EPOLLRDHUP));

4731

4331

}

4732

4332

4733

static void

4734

test_read_inotify_event_IN_MOVED_FROM_badname(__attribute__((unused))

4735

test_fixture *fixture,

4736

__attribute__((unused))

4737

gconstpointer

4738

user_data){

4739

__attribute__((cleanup(cleanup_close)))

4740

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

4741

g_assert_cmpint(epoll_fd, >=, 0);

4742

__attribute__((cleanup(string_set_clear)))

4743

string_set cancelled_filenames = {};

4744

const mono_microsecs current_time = 0;

4745

4746

int pipefds[2];

4747

g_assert_cmpint(pipe2(pipefds, O_CLOEXEC | O_NONBLOCK), ==, 0);

4748

4749

/* "sufficient to read at least one event." - inotify(7) */

4750

const size_t ievent_max_size = (sizeof(struct inotify_event)

4751

+ NAME_MAX + 1);

4752

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4753

struct {

4754

struct inotify_event event;

4755

char name_buffer[NAME_MAX + 1];

4756

} ievent_buffer;

4757

struct inotify_event *const ievent = &ievent_buffer.event;

4758

4759

const char dummy_file_name[] = "ignored.dummy_file_name";

4760

ievent->mask = IN_MOVED_FROM;

4761

ievent->len = sizeof(dummy_file_name);

4762

memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));

4763

const size_t ievent_size = (sizeof(struct inotify_event)

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"

4769

#endif

4770

g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),

4771

==, ievent_size);

4772

#if defined(__GNUC__) and __GNUC__ >= 11

4773

#pragma GCC diagnostic pop

4774

#endif

4775

g_assert_cmpint(close(pipefds[1]), ==, 0);

4776

4777

bool quit_now = false;

4778

buffer password = {};

4779

bool mandos_client_exited = false;

4780

bool password_is_read = false;

4781

__attribute__((cleanup(cleanup_queue)))

4782

task_queue *queue = create_queue();

4783

g_assert_nonnull(queue);

4784

4785

task_context task = {

4786

.func=read_inotify_event,

4787

.epoll_fd=epoll_fd,

4788

.fd=pipefds[0],

4789

.quit_now=&quit_now,

4790

.password=&password,

4791

.filename=strdup("/nonexistent"),

4792

.cancelled_filenames=&cancelled_filenames,

4793

.current_time=&current_time,

4794

.mandos_client_exited=&mandos_client_exited,

4795

.password_is_read=&password_is_read,

4796

};

4797

task.func(task, queue);

4798

g_assert_false(quit_now);

4799

g_assert_true(queue->next_run == 0);

4800

g_assert_cmpuint((unsigned int)queue->length, ==, 1);

4801

4802

g_assert_nonnull(find_matching_task(queue, (task_context){

4803

.func=read_inotify_event,

4804

.epoll_fd=epoll_fd,

4805

.fd=pipefds[0],

4806

.quit_now=&quit_now,

4807

.password=&password,

4808

.filename=task.filename,

4809

.cancelled_filenames=&cancelled_filenames,

4810

.current_time=&current_time,

4811

.mandos_client_exited=&mandos_client_exited,

4812

.password_is_read=&password_is_read,

4813

}));

4814

4815

g_assert_true(epoll_set_contains(epoll_fd, pipefds[0],

4816

EPOLLIN | EPOLLRDHUP));

4817

4818

__attribute__((cleanup(cleanup_string)))

4819

char *filename = NULL;

4820

g_assert_cmpint(asprintf(&filename, "%s/%s", task.filename,

4821

dummy_file_name), >, 0);

4822

g_assert_nonnull(filename);

4823

g_assert_false(string_set_contains(cancelled_filenames, filename));

4824

}

4825

4826

4333

static

4827

4334

void test_read_inotify_event_IN_DELETE_badname(__attribute__((unused))

4828

4335

test_fixture *fixture,

4843

4350

const size_t ievent_max_size = (sizeof(struct inotify_event)

4844

4351

+ NAME_MAX + 1);

4845

4352

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4846

struct {

4847

struct inotify_event event;

4848

char name_buffer[NAME_MAX + 1];

4849

} ievent_buffer;

4850

struct inotify_event *const ievent = &ievent_buffer.event;

4353

char ievent_buffer[sizeof(struct inotify_event) + NAME_MAX + 1];

4354

struct inotify_event *ievent = ((struct inotify_event *)

4355

ievent_buffer);

4851

4356

4852

4357

const char dummy_file_name[] = "ignored.dummy_file_name";

4853

4358

ievent->mask = IN_DELETE;

4855

4360

memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));

4856

4361

const size_t ievent_size = (sizeof(struct inotify_event)

4857

4362

+ 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"

4862

#endif

4863

g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),

4363

g_assert_cmpint(write(pipefds[1], ievent_buffer, ievent_size),

4864

4364

==, ievent_size);

4865

#if defined(__GNUC__) and __GNUC__ >= 11

4866

#pragma GCC diagnostic pop

4867

#endif

4868

4365

g_assert_cmpint(close(pipefds[1]), ==, 0);

4869

4366

4870

4367

bool quit_now = false;

5756

5253

__attribute__((unused))

5757

5254

gconstpointer user_data){

5758

5255

__attribute__((cleanup(cleanup_close)))

5759

const int epoll_fd = open("/dev/null",

5760

O_WRONLY | O_CLOEXEC | O_NOCTTY);

5256

const int epoll_fd = open("/dev/null", O_WRONLY | O_CLOEXEC);

5761

5257

__attribute__((cleanup(cleanup_string)))

5762

5258

char *const question_filename = strdup("/nonexistent/question");

5763

5259

g_assert_nonnull(question_filename);

5892

5388

char write_data[PIPE_BUF];

5893

5389

{

5894

5390

/* Construct test password buffer */

5895

/* Start with + since that is what the real protocol uses */

5391

/* Start with + since that is what the real procotol uses */

5896

5392

write_data[0] = '+';

5897

5393

/* Set a special character at string end just to mark the end */

5898

5394

write_data[sizeof(write_data)-2] = 'y';

6050

5546

char *const filename = strdup("/nonexistent/socket");

6051

5547

__attribute__((cleanup(string_set_clear)))

6052

5548

string_set cancelled_filenames = {};

6053

int socketfds[2];

6054

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");

6062

return;

6063

}

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);

6069

return;

6070

}

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

6075

*/

6076

g_assert_cmpint(socketpair(PF_LOCAL, SOCK_DGRAM

6077

| SOCK_NONBLOCK | SOCK_CLOEXEC, 0,

6078

socketfds), ==, 0);

6079

ssret = send(socketfds[1], message_buffer, message_size,

6080

MSG_NOSIGNAL);

6081

error_t saved_errno = errno;

6082

g_assert_cmpint(close(socketfds[0]), ==, 0);

6083

g_assert_cmpint(close(socketfds[1]), ==, 0);

6084

6085

if(ssret < 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));

6091

return;

6092

}

6093

break;

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);

6099

return;

6100

}

6101

}

6102

g_test_message("EMSGSIZE triggered by %" PRIdMAX " bytes",

6103

(intmax_t)message_size);

6104

6105

buffer password = {

6106

.data=message_buffer,

6107

.length=message_size - 2, /* Compensate for added '+' and NUL */

6108

.allocated=message_size,

5549

const size_t oversized = 1024*1024; /* Limit seems to be 212960 */

5550

__attribute__((cleanup(cleanup_buffer)))

5551

buffer password = {

5552

.data=malloc(oversized),

5553

.length=oversized,

5554

.allocated=oversized,

6109

5555

};

5556

g_assert_nonnull(password.data);

6110

5557

if(mlock(password.data, password.allocated) != 0){

6111

5558

g_assert_true(errno == EPERM or errno == ENOMEM);

6112

5559

}

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);

6113

5569

6114

5570

__attribute__((cleanup(cleanup_queue)))

6115

5571

task_queue *queue = create_queue();

6116

5572

g_assert_nonnull(queue);

5573

int socketfds[2];

6117

5574

g_assert_cmpint(socketpair(PF_LOCAL, SOCK_DGRAM

6118

5575

| SOCK_NONBLOCK | SOCK_CLOEXEC, 0,

6119

5576

socketfds), ==, 0);

6206

5663

__attribute__((unused))

6207

5664

gconstpointer user_data){

6208

5665

__attribute__((cleanup(cleanup_close)))

6209

const int epoll_fd = open("/dev/null",

6210

O_WRONLY | O_CLOEXEC | O_NOCTTY);

5666

const int epoll_fd = open("/dev/null", O_WRONLY | O_CLOEXEC);

6211

5667

__attribute__((cleanup(cleanup_string)))

6212

5668

char *const question_filename = strdup("/nonexistent/question");

6213

5669

g_assert_nonnull(question_filename);

6476

5932

const char *const

6477

5933

dirname){

6478

5934

__attribute__((cleanup(cleanup_close)))

6479

const int devnull_fd = open("/dev/null",

6480

O_WRONLY | O_CLOEXEC | O_NOCTTY);

5935

const int devnull_fd = open("/dev/null", O_WRONLY | O_CLOEXEC);

6481

5936

g_assert_cmpint(devnull_fd, >=, 0);

6482

5937

__attribute__((cleanup(cleanup_close)))

6483

5938

const int real_stderr_fd = dup(STDERR_FILENO);

8026

7481

test_add("/parse_arguments/mixed", test_parse_arguments_mixed);

8027

7482

test_add("/queue/create", test_create_queue);

8028

7483

test_add("/queue/add", test_add_to_queue);

8029

test_add("/queue/add/overflow", test_add_to_queue_overflow);

8030

7484

test_add("/queue/has_question/empty",

8031

7485

test_queue_has_question_empty);

8032

7486

test_add("/queue/has_question/false",

8119

7573

test_add_inotify_dir_watch);

8120

7574

test_add_st("/task-creators/add_inotify_dir_watch/fail",

8121

7575

test_add_inotify_dir_watch_fail);

8122

test_add_st("/task-creators/add_inotify_dir_watch/not-a-directory",

8123

test_add_inotify_dir_watch_nondir);

8124

7576

test_add_st("/task-creators/add_inotify_dir_watch/EAGAIN",

8125

7577

test_add_inotify_dir_watch_EAGAIN);

8126

7578

test_add_st("/task-creators/add_inotify_dir_watch/IN_CLOSE_WRITE",

8127

7579

test_add_inotify_dir_watch_IN_CLOSE_WRITE);

8128

7580

test_add_st("/task-creators/add_inotify_dir_watch/IN_MOVED_TO",

8129

7581

test_add_inotify_dir_watch_IN_MOVED_TO);

8130

test_add_st("/task-creators/add_inotify_dir_watch/IN_MOVED_FROM",

8131

test_add_inotify_dir_watch_IN_MOVED_FROM);

8132

test_add_st("/task-creators/add_inotify_dir_watch/IN_EXCL_UNLINK",

8133

test_add_inotify_dir_watch_IN_EXCL_UNLINK);

8134

7582

test_add_st("/task-creators/add_inotify_dir_watch/IN_DELETE",

8135

7583

test_add_inotify_dir_watch_IN_DELETE);

8136

7584

test_add_st("/task/read_inotify_event/readerror",

8145

7593

test_read_inotify_event_IN_CLOSE_WRITE);

8146

7594

test_add_st("/task/read_inotify_event/IN_MOVED_TO",

8147

7595

test_read_inotify_event_IN_MOVED_TO);

8148

test_add_st("/task/read_inotify_event/IN_MOVED_FROM",

8149

test_read_inotify_event_IN_MOVED_FROM);

8150

7596

test_add_st("/task/read_inotify_event/IN_DELETE",

8151

7597

test_read_inotify_event_IN_DELETE);

8152

7598

test_add_st("/task/read_inotify_event/IN_CLOSE_WRITE/badname",

8153

7599

test_read_inotify_event_IN_CLOSE_WRITE_badname);

8154

7600

test_add_st("/task/read_inotify_event/IN_MOVED_TO/badname",

8155

7601

test_read_inotify_event_IN_MOVED_TO_badname);

8156

test_add_st("/task/read_inotify_event/IN_MOVED_FROM/badname",

8157

test_read_inotify_event_IN_MOVED_FROM_badname);

8158

7602

test_add_st("/task/read_inotify_event/IN_DELETE/badname",

8159

7603

test_read_inotify_event_IN_DELETE_badname);

8160

7604

test_add_st("/task/open_and_parse_question/ENOENT",

8257

7701

g_option_context_set_help_enabled(context, FALSE);

8258

7702

g_option_context_set_ignore_unknown_options(context, TRUE);

8259

7703

8260

gboolean should_run_tests = FALSE;

7704

gboolean run_tests = FALSE;

8261

7705

GOptionEntry entries[] = {

8262

7706

{ "test", 0, 0, G_OPTION_ARG_NONE,

8263

&should_run_tests, "Run tests", NULL },

7707

&run_tests, "Run tests", NULL },

8264

7708

{ NULL }

8265

7709

};

8266

7710

g_option_context_add_main_entries(context, entries, NULL);

8273

7717

}

8274

7718

8275

7719

g_option_context_free(context);

8276

return should_run_tests != FALSE;

7720

return run_tests != FALSE;

8277

7721

}

8278

8279

/*

8280

Local Variables:

8281

run-tests:

8282

(lambda ()

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:

8287

(lambda (dir)

8288

(with-current-buffer (get-buffer-create "*Test*")

8289

(setq buffer-read-only nil

8290

default-directory dir)

8291

(erase-buffer)

8292

(compilation-mode))

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))))

8299

get-command-line:

8300

(lambda ()

8301

(let*

8302

((build-directory

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)

8308

build-directory)))

8309

(command

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)

8320

((file-readable-p

8321

(concat (file-name-as-directory try-directory)

8322

"Makefile")) try-directory)

8323

((funcall find-build-directory

8324

(directory-file-name (file-name-directory

8325

try-directory))

8326

base-directory)))))

8327

show-test-buffer-in-test-window:

8328

(lambda ()

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*"))))

8337

remove-test-window:

8338

(lambda ()

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)

8342

End:

8343

*/