/mandos/trunk : revision 1131

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

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#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){

1501

1470

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

1502

1471

your message.

1503

1472

1504

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

1505

14:24:20 GMT)

1473

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

1474

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

1506

1475

*/

1507

1476

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

1508

1477

/* Always add an extra NUL */

1513

1482

errno = 0;

1514

1483

ssize_t ssret = send(fd, send_buffer, send_buffer_length,

1515

1484

MSG_NOSIGNAL);

1516

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

1485

const error_t saved_errno = errno;

1517

1486

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

1518

1487

explicit_bzero(send_buffer, send_buffer_length);

1519

1488

#else

1537

1506

/* Retry, below */

1538

1507

break;

1539

1508

case EMSGSIZE:

1540

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

1541

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

1509

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

1510

(uintmax_t)password->length);

1542

1511

#if __GNUC__ < 7

1543

1512

/* FALLTHROUGH */

1544

1513

#else

1546

1515

#endif

1547

1516

case 0:

1548

1517

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

1549

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

1550

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

1551

(uintmax_t)ssret, (uintmax_t)send_buffer_length);

1518

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

1552

1519

}

1553

1520

#if __GNUC__ < 7

1554

1521

/* FALLTHROUGH */

1910

1877

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

1911

1878

}

1912

1879

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 */

1922

1923

FILE *real_stderr = stderr;

1924

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

1925

g_assert_nonnull(devnull);

1926

stderr = 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 */

1934

}

1935

1936

1880

static void dummy_func(__attribute__((unused))

1937

1881

const task_context task,

1938

1882

__attribute__((unused))

2209

2153

}

2210

2154

exit(EXIT_SUCCESS);

2211

2155

}

2212

if(pid == -1){

2213

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

2214

}

2215

2216

2156

int status;

2217

2157

waitpid(pid, &status, 0);

2218

2158

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

2280

2220

2281

2221

{

2282

2222

__attribute__((cleanup(cleanup_close)))

2283

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

2284

O_WRONLY | O_CLOEXEC | O_NOCTTY);

2223

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

2285

2224

g_assert_cmpint(devnull_fd, >=, 0);

2286

2225

__attribute__((cleanup(cleanup_close)))

2287

2226

const int real_stderr_fd = dup(STDERR_FILENO);

2311

2250

{

2312

2251

__attribute__((cleanup(cleanup_close)))

2313

2252

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

2314

O_WRONLY | O_CLOEXEC | O_NOCTTY);

2253

O_WRONLY | O_CLOEXEC);

2315

2254

g_assert_cmpint(devnull_fd, >=, 0);

2316

2255

__attribute__((cleanup(cleanup_close)))

2317

2256

const int real_stderr_fd = dup(STDERR_FILENO);

2661

2600

bool password_is_read = false;

2662

2601

const char helper_directory[] = "/nonexistent";

2663

2602

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

2664

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

2603

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

2665

2604

2666

2605

const bool success = start_mandos_client(queue, epoll_fd,

2667

2606

&mandos_client_exited,

2962

2901

2963

2902

__attribute__((cleanup(cleanup_close)))

2964

2903

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

2965

O_WRONLY | O_CLOEXEC | O_NOCTTY);

2904

O_WRONLY | O_CLOEXEC);

2966

2905

g_assert_cmpint(devnull_fd, >=, 0);

2967

2906

__attribute__((cleanup(cleanup_close)))

2968

2907

const int real_stderr_fd = dup(STDERR_FILENO);

3033

2972

3034

2973

__attribute__((cleanup(cleanup_close)))

3035

2974

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

3036

O_WRONLY | O_CLOEXEC, O_NOCTTY);

2975

O_WRONLY | O_CLOEXEC);

3037

2976

g_assert_cmpint(devnull_fd, >=, 0);

3038

2977

__attribute__((cleanup(cleanup_close)))

3039

2978

const int real_stderr_fd = dup(STDERR_FILENO);

3077

3016

buffer password = {};

3078

3017

3079

3018

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

3080

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

3081

O_RDONLY | O_CLOEXEC | O_NOCTTY);

3019

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

3082

3020

3083

3021

bool password_is_read = false;

3084

3022

bool quit_now = false;

3512

3450

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

3513

3451

}

3514

3452

3515

static void test_add_inotify_dir_watch_nondir(__attribute__((unused))

3516

test_fixture *fixture,

3517

__attribute__((unused))

3518

gconstpointer

3519

user_data){

3520

__attribute__((cleanup(cleanup_close)))

3521

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

3522

g_assert_cmpint(epoll_fd, >=, 0);

3523

__attribute__((cleanup(cleanup_queue)))

3524

task_queue *queue = create_queue();

3525

g_assert_nonnull(queue);

3526

__attribute__((cleanup(string_set_clear)))

3527

string_set cancelled_filenames = {};

3528

const mono_microsecs current_time = 0;

3529

3530

bool quit_now = false;

3531

buffer password = {};

3532

bool mandos_client_exited = false;

3533

bool password_is_read = false;

3534

3535

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

3536

3537

FILE *real_stderr = stderr;

3538

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

3539

g_assert_nonnull(devnull);

3540

stderr = devnull;

3541

g_assert_false(add_inotify_dir_watch(queue, epoll_fd, &quit_now,

3542

&password, not_a_directory,

3543

&cancelled_filenames,

3544

&current_time,

3545

&mandos_client_exited,

3546

&password_is_read));

3547

stderr = real_stderr;

3548

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

3549

3550

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

3551

}

3552

3553

3453

static void test_add_inotify_dir_watch_EAGAIN(__attribute__((unused))

3554

3454

test_fixture *fixture,

3555

3455

__attribute__((unused))

3770

3670

}

3771

3671

3772

3672

static

3773

void test_add_inotify_dir_watch_IN_MOVED_FROM(__attribute__((unused))

3774

test_fixture *fixture,

3775

__attribute__((unused))

3776

gconstpointer

3777

user_data){

3778

__attribute__((cleanup(cleanup_close)))

3779

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

3780

g_assert_cmpint(epoll_fd, >=, 0);

3781

__attribute__((cleanup(cleanup_queue)))

3782

task_queue *queue = create_queue();

3783

g_assert_nonnull(queue);

3784

__attribute__((cleanup(string_set_clear)))

3785

string_set cancelled_filenames = {};

3786

const mono_microsecs current_time = 0;

3787

3788

bool quit_now = false;

3789

buffer password = {};

3790

bool mandos_client_exited = false;

3791

bool password_is_read = false;

3792

3793

__attribute__((cleanup(cleanup_string)))

3794

char *tempdir = make_temporary_directory();

3795

g_assert_nonnull(tempdir);

3796

3797

__attribute__((cleanup(cleanup_string)))

3798

char *tempfilename = make_temporary_file_in_directory(tempdir);

3799

g_assert_nonnull(tempfilename);

3800

3801

__attribute__((cleanup(cleanup_string)))

3802

char *targetdir = make_temporary_directory();

3803

g_assert_nonnull(targetdir);

3804

3805

__attribute__((cleanup(cleanup_string)))

3806

char *targetfilename = NULL;

3807

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

3808

basename(tempfilename)), >, 0);

3809

g_assert_nonnull(targetfilename);

3810

3811

g_assert_true(add_inotify_dir_watch(queue, epoll_fd, &quit_now,

3812

&password, tempdir,

3813

&cancelled_filenames,

3814

&current_time,

3815

&mandos_client_exited,

3816

&password_is_read));

3817

3818

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

3819

3820

const task_context *const added_read_task

3821

= find_matching_task(queue,

3822

(task_context){ .func=read_inotify_event });

3823

g_assert_nonnull(added_read_task);

3824

3825

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

3826

const size_t ievent_size = (sizeof(struct inotify_event)

3827

+ NAME_MAX + 1);

3828

struct inotify_event *ievent = malloc(ievent_size);

3829

g_assert_nonnull(ievent);

3830

3831

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

3832

3833

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

3834

g_assert_true(ievent->mask & IN_MOVED_FROM);

3835

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

3836

3837

free(ievent);

3838

3839

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

3840

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

3841

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

3842

}

3843

3844

static

3845

3673

void test_add_inotify_dir_watch_IN_DELETE(__attribute__((unused))

3846

3674

test_fixture *fixture,

3847

3675

__attribute__((unused))

3905

3733

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

3906

3734

}

3907

3735

3908

static

3909

void test_add_inotify_dir_watch_IN_EXCL_UNLINK(__attribute__((unused))

3910

test_fixture *fixture,

3911

__attribute__((unused))

3912

gconstpointer

3913

user_data){

3914

__attribute__((cleanup(cleanup_close)))

3915

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

3916

g_assert_cmpint(epoll_fd, >=, 0);

3917

__attribute__((cleanup(cleanup_queue)))

3918

task_queue *queue = create_queue();

3919

g_assert_nonnull(queue);

3920

__attribute__((cleanup(string_set_clear)))

3921

string_set cancelled_filenames = {};

3922

const mono_microsecs current_time = 0;

3923

3924

bool quit_now = false;

3925

buffer password = {};

3926

bool mandos_client_exited = false;

3927

bool password_is_read = false;

3928

3929

__attribute__((cleanup(cleanup_string)))

3930

char *tempdir = make_temporary_directory();

3931

g_assert_nonnull(tempdir);

3932

3933

__attribute__((cleanup(cleanup_string)))

3934

char *tempfile = make_temporary_file_in_directory(tempdir);

3935

g_assert_nonnull(tempfile);

3936

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

3937

| O_NOFOLLOW);

3938

g_assert_cmpint(tempfile_fd, >, 2);

3939

3940

g_assert_true(add_inotify_dir_watch(queue, epoll_fd, &quit_now,

3941

&password, tempdir,

3942

&cancelled_filenames,

3943

&current_time,

3944

&mandos_client_exited,

3945

&password_is_read));

3946

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

3947

3948

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

3949

3950

const task_context *const added_read_task

3951

= find_matching_task(queue,

3952

(task_context){ .func=read_inotify_event });

3953

g_assert_nonnull(added_read_task);

3954

3955

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

3956

g_assert_true(fd_has_cloexec_and_nonblock(added_read_task->fd));

3957

3958

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

3959

const size_t ievent_size = (sizeof(struct inotify_event)

3960

+ NAME_MAX + 1);

3961

struct inotify_event *ievent = malloc(ievent_size);

3962

g_assert_nonnull(ievent);

3963

3964

ssize_t read_size = 0;

3965

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

3966

3967

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

3968

g_assert_true(ievent->mask & IN_DELETE);

3969

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

3970

3971

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

3972

3973

/* IN_EXCL_UNLINK should make the closing of the previously unlinked

3974

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

3975

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

3976

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

3977

g_assert_true(errno == EAGAIN);

3978

3979

free(ievent);

3980

3981

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

3982

}

3983

3984

3736

static void test_read_inotify_event_readerror(__attribute__((unused))

3985

3737

test_fixture *fixture,

3986

3738

__attribute__((unused))

3992

3744

const mono_microsecs current_time = 0;

3993

3745

3994

3746

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

3995

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

3996

O_RDONLY | O_CLOEXEC | O_NOCTTY);

3747

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

3997

3748

3998

3749

bool quit_now = false;

3999

3750

__attribute__((cleanup(cleanup_queue)))

4178

3929

const size_t ievent_max_size = (sizeof(struct inotify_event)

4179

3930

+ NAME_MAX + 1);

4180

3931

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4181

struct {

4182

struct inotify_event event;

4183

char name_buffer[NAME_MAX + 1];

4184

} ievent_buffer;

4185

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);

4186

3935

4187

3936

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

4188

3937

ievent->mask = IN_CLOSE_WRITE;

4190

3939

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

4191

3940

const size_t ievent_size = (sizeof(struct inotify_event)

4192

3941

+ sizeof(dummy_file_name));

4193

#if defined(__GNUC__) and __GNUC__ >= 11

4194

#pragma GCC diagnostic push

4195

/* ievent is pointing into a struct which is of sufficient size */

4196

#pragma GCC diagnostic ignored "-Wstringop-overread"

4197

#endif

4198

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

3942

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

4199

3943

==, ievent_size);

4200

#if defined(__GNUC__) and __GNUC__ >= 11

4201

#pragma GCC diagnostic pop

4202

#endif

4203

3944

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

4204

3945

4205

3946

bool quit_now = false;

4281

4022

const size_t ievent_max_size = (sizeof(struct inotify_event)

4282

4023

+ NAME_MAX + 1);

4283

4024

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4284

struct {

4285

struct inotify_event event;

4286

char name_buffer[NAME_MAX + 1];

4287

} ievent_buffer;

4288

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);

4289

4028

4290

4029

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

4291

4030

ievent->mask = IN_MOVED_TO;

4293

4032

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

4294

4033

const size_t ievent_size = (sizeof(struct inotify_event)

4295

4034

+ sizeof(dummy_file_name));

4296

#if defined(__GNUC__) and __GNUC__ >= 11

4297

#pragma GCC diagnostic push

4298

/* ievent is pointing into a struct which is of sufficient size */

4299

#pragma GCC diagnostic ignored "-Wstringop-overread"

4300

#endif

4301

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

4035

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

4302

4036

==, ievent_size);

4303

#if defined(__GNUC__) and __GNUC__ >= 11

4304

#pragma GCC diagnostic pop

4305

#endif

4306

4037

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

4307

4038

4308

4039

bool quit_now = false;

4367

4098

}));

4368

4099

}

4369

4100

4370

static

4371

void test_read_inotify_event_IN_MOVED_FROM(__attribute__((unused))

4372

test_fixture *fixture,

4373

__attribute__((unused))

4374

gconstpointer user_data){

4375

__attribute__((cleanup(cleanup_close)))

4376

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

4377

g_assert_cmpint(epoll_fd, >=, 0);

4378

__attribute__((cleanup(string_set_clear)))

4379

string_set cancelled_filenames = {};

4380

const mono_microsecs current_time = 0;

4381

4382

int pipefds[2];

4383

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

4384

4385

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

4386

const size_t ievent_max_size = (sizeof(struct inotify_event)

4387

+ NAME_MAX + 1);

4388

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4389

struct {

4390

struct inotify_event event;

4391

char name_buffer[NAME_MAX + 1];

4392

} ievent_buffer;

4393

struct inotify_event *const ievent = &ievent_buffer.event;

4394

4395

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

4396

ievent->mask = IN_MOVED_FROM;

4397

ievent->len = sizeof(dummy_file_name);

4398

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

4399

const size_t ievent_size = (sizeof(struct inotify_event)

4400

+ sizeof(dummy_file_name));

4401

#if defined(__GNUC__) and __GNUC__ >= 11

4402

#pragma GCC diagnostic push

4403

/* ievent is pointing into a struct which is of sufficient size */

4404

#pragma GCC diagnostic ignored "-Wstringop-overread"

4405

#endif

4406

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

4407

==, ievent_size);

4408

#if defined(__GNUC__) and __GNUC__ >= 11

4409

#pragma GCC diagnostic pop

4410

#endif

4411

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

4412

4413

bool quit_now = false;

4414

buffer password = {};

4415

bool mandos_client_exited = false;

4416

bool password_is_read = false;

4417

__attribute__((cleanup(cleanup_queue)))

4418

task_queue *queue = create_queue();

4419

g_assert_nonnull(queue);

4420

4421

task_context task = {

4422

.func=read_inotify_event,

4423

.epoll_fd=epoll_fd,

4424

.fd=pipefds[0],

4425

.quit_now=&quit_now,

4426

.password=&password,

4427

.filename=strdup("/nonexistent"),

4428

.cancelled_filenames=&cancelled_filenames,

4429

.current_time=&current_time,

4430

.mandos_client_exited=&mandos_client_exited,

4431

.password_is_read=&password_is_read,

4432

};

4433

task.func(task, queue);

4434

g_assert_false(quit_now);

4435

g_assert_true(queue->next_run == 0);

4436

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

4437

4438

g_assert_nonnull(find_matching_task(queue, (task_context){

4439

.func=read_inotify_event,

4440

.epoll_fd=epoll_fd,

4441

.fd=pipefds[0],

4442

.quit_now=&quit_now,

4443

.password=&password,

4444

.filename=task.filename,

4445

.cancelled_filenames=&cancelled_filenames,

4446

.current_time=&current_time,

4447

.mandos_client_exited=&mandos_client_exited,

4448

.password_is_read=&password_is_read,

4449

}));

4450

4451

g_assert_true(epoll_set_contains(epoll_fd, pipefds[0],

4452

EPOLLIN | EPOLLRDHUP));

4453

4454

__attribute__((cleanup(cleanup_string)))

4455

char *filename = NULL;

4456

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

4457

dummy_file_name), >, 0);

4458

g_assert_nonnull(filename);

4459

g_assert_true(string_set_contains(*task.cancelled_filenames,

4460

filename));

4461

}

4462

4463

4101

static void test_read_inotify_event_IN_DELETE(__attribute__((unused))

4464

4102

test_fixture *fixture,

4465

4103

__attribute__((unused))

4479

4117

const size_t ievent_max_size = (sizeof(struct inotify_event)

4480

4118

+ NAME_MAX + 1);

4481

4119

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4482

struct {

4483

struct inotify_event event;

4484

char name_buffer[NAME_MAX + 1];

4485

} ievent_buffer;

4486

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);

4487

4123

4488

4124

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

4489

4125

ievent->mask = IN_DELETE;

4491

4127

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

4492

4128

const size_t ievent_size = (sizeof(struct inotify_event)

4493

4129

+ sizeof(dummy_file_name));

4494

#if defined(__GNUC__) and __GNUC__ >= 11

4495

#pragma GCC diagnostic push

4496

/* ievent is pointing into a struct which is of sufficient size */

4497

#pragma GCC diagnostic ignored "-Wstringop-overread"

4498

#endif

4499

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

4130

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

4500

4131

==, ievent_size);

4501

#if defined(__GNUC__) and __GNUC__ >= 11

4502

#pragma GCC diagnostic pop

4503

#endif

4504

4132

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

4505

4133

4506

4134

bool quit_now = false;

4571

4199

const size_t ievent_max_size = (sizeof(struct inotify_event)

4572

4200

+ NAME_MAX + 1);

4573

4201

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4574

struct {

4575

struct inotify_event event;

4576

char name_buffer[NAME_MAX + 1];

4577

} ievent_buffer;

4578

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);

4579

4205

4580

4206

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

4581

4207

ievent->mask = IN_CLOSE_WRITE;

4583

4209

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

4584

4210

const size_t ievent_size = (sizeof(struct inotify_event)

4585

4211

+ sizeof(dummy_file_name));

4586

#if defined(__GNUC__) and __GNUC__ >= 11

4587

#pragma GCC diagnostic push

4588

/* ievent is pointing into a struct which is of sufficient size */

4589

#pragma GCC diagnostic ignored "-Wstringop-overread"

4590

#endif

4591

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

4212

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

4592

4213

==, ievent_size);

4593

#if defined(__GNUC__) and __GNUC__ >= 11

4594

#pragma GCC diagnostic pop

4595

#endif

4596

4214

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

4597

4215

4598

4216

bool quit_now = false;

4655

4273

const size_t ievent_max_size = (sizeof(struct inotify_event)

4656

4274

+ NAME_MAX + 1);

4657

4275

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4658

struct {

4659

struct inotify_event event;

4660

char name_buffer[NAME_MAX + 1];

4661

} ievent_buffer;

4662

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);

4663

4279

4664

4280

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

4665

4281

ievent->mask = IN_MOVED_TO;

4667

4283

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

4668

4284

const size_t ievent_size = (sizeof(struct inotify_event)

4669

4285

+ sizeof(dummy_file_name));

4670

#if defined(__GNUC__) and __GNUC__ >= 11

4671

#pragma GCC diagnostic push

4672

/* ievent is pointing into a struct which is of sufficient size */

4673

#pragma GCC diagnostic ignored "-Wstringop-overread"

4674

#endif

4675

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

4286

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

4676

4287

==, ievent_size);

4677

#if defined(__GNUC__) and __GNUC__ >= 11

4678

#pragma GCC diagnostic pop

4679

#endif

4680

4288

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

4681

4289

4682

4290

bool quit_now = false;

4722

4330

EPOLLIN | EPOLLRDHUP));

4723

4331

}

4724

4332

4725

static void

4726

test_read_inotify_event_IN_MOVED_FROM_badname(__attribute__((unused))

4727

test_fixture *fixture,

4728

__attribute__((unused))

4729

gconstpointer

4730

user_data){

4731

__attribute__((cleanup(cleanup_close)))

4732

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

4733

g_assert_cmpint(epoll_fd, >=, 0);

4734

__attribute__((cleanup(string_set_clear)))

4735

string_set cancelled_filenames = {};

4736

const mono_microsecs current_time = 0;

4737

4738

int pipefds[2];

4739

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

4740

4741

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

4742

const size_t ievent_max_size = (sizeof(struct inotify_event)

4743

+ NAME_MAX + 1);

4744

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4745

struct {

4746

struct inotify_event event;

4747

char name_buffer[NAME_MAX + 1];

4748

} ievent_buffer;

4749

struct inotify_event *const ievent = &ievent_buffer.event;

4750

4751

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

4752

ievent->mask = IN_MOVED_FROM;

4753

ievent->len = sizeof(dummy_file_name);

4754

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

4755

const size_t ievent_size = (sizeof(struct inotify_event)

4756

+ sizeof(dummy_file_name));

4757

#if defined(__GNUC__) and __GNUC__ >= 11

4758

#pragma GCC diagnostic push

4759

/* ievent is pointing into a struct which is of sufficient size */

4760

#pragma GCC diagnostic ignored "-Wstringop-overread"

4761

#endif

4762

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

4763

==, ievent_size);

4764

#if defined(__GNUC__) and __GNUC__ >= 11

4765

#pragma GCC diagnostic pop

4766

#endif

4767

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

4768

4769

bool quit_now = false;

4770

buffer password = {};

4771

bool mandos_client_exited = false;

4772

bool password_is_read = false;

4773

__attribute__((cleanup(cleanup_queue)))

4774

task_queue *queue = create_queue();

4775

g_assert_nonnull(queue);

4776

4777

task_context task = {

4778

.func=read_inotify_event,

4779

.epoll_fd=epoll_fd,

4780

.fd=pipefds[0],

4781

.quit_now=&quit_now,

4782

.password=&password,

4783

.filename=strdup("/nonexistent"),

4784

.cancelled_filenames=&cancelled_filenames,

4785

.current_time=&current_time,

4786

.mandos_client_exited=&mandos_client_exited,

4787

.password_is_read=&password_is_read,

4788

};

4789

task.func(task, queue);

4790

g_assert_false(quit_now);

4791

g_assert_true(queue->next_run == 0);

4792

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

4793

4794

g_assert_nonnull(find_matching_task(queue, (task_context){

4795

.func=read_inotify_event,

4796

.epoll_fd=epoll_fd,

4797

.fd=pipefds[0],

4798

.quit_now=&quit_now,

4799

.password=&password,

4800

.filename=task.filename,

4801

.cancelled_filenames=&cancelled_filenames,

4802

.current_time=&current_time,

4803

.mandos_client_exited=&mandos_client_exited,

4804

.password_is_read=&password_is_read,

4805

}));

4806

4807

g_assert_true(epoll_set_contains(epoll_fd, pipefds[0],

4808

EPOLLIN | EPOLLRDHUP));

4809

4810

__attribute__((cleanup(cleanup_string)))

4811

char *filename = NULL;

4812

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

4813

dummy_file_name), >, 0);

4814

g_assert_nonnull(filename);

4815

g_assert_false(string_set_contains(cancelled_filenames, filename));

4816

}

4817

4818

4333

static

4819

4334

void test_read_inotify_event_IN_DELETE_badname(__attribute__((unused))

4820

4335

test_fixture *fixture,

4835

4350

const size_t ievent_max_size = (sizeof(struct inotify_event)

4836

4351

+ NAME_MAX + 1);

4837

4352

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4838

struct {

4839

struct inotify_event event;

4840

char name_buffer[NAME_MAX + 1];

4841

} ievent_buffer;

4842

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);

4843

4356

4844

4357

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

4845

4358

ievent->mask = IN_DELETE;

4847

4360

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

4848

4361

const size_t ievent_size = (sizeof(struct inotify_event)

4849

4362

+ sizeof(dummy_file_name));

4850

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

4363

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

4851

4364

==, ievent_size);

4852

4365

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

4853

4366

5740

5253

__attribute__((unused))

5741

5254

gconstpointer user_data){

5742

5255

__attribute__((cleanup(cleanup_close)))

5743

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

5744

O_WRONLY | O_CLOEXEC | O_NOCTTY);

5256

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

5745

5257

__attribute__((cleanup(cleanup_string)))

5746

5258

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

5747

5259

g_assert_nonnull(question_filename);

5876

5388

char write_data[PIPE_BUF];

5877

5389

{

5878

5390

/* Construct test password buffer */

5879

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

5391

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

5880

5392

write_data[0] = '+';

5881

5393

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

5882

5394

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

6034

5546

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

6035

5547

__attribute__((cleanup(string_set_clear)))

6036

5548

string_set cancelled_filenames = {};

6037

int socketfds[2];

6038

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");

6046

return;

6047

}

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);

6053

return;

6054

}

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

6059

*/

6060

g_assert_cmpint(socketpair(PF_LOCAL, SOCK_DGRAM

6061

| SOCK_NONBLOCK | SOCK_CLOEXEC, 0,

6062

socketfds), ==, 0);

6063

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

6064

MSG_NOSIGNAL);

6065

error_t saved_errno = errno;

6066

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

6067

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

6068

6069

if(ssret < 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));

6075

return;

6076

}

6077

break;

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);

6083

return;

6084

}

6085

}

6086

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

6087

(intmax_t)message_size);

6088

6089

buffer password = {

6090

.data=message_buffer,

6091

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

6092

.allocated=message_size,

5549

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

5550

__attribute__((cleanup(cleanup_buffer)))

5551

buffer password = {

5552

.data=malloc(oversized),

5553

.length=oversized,

5554

.allocated=oversized,

6093

5555

};

5556

g_assert_nonnull(password.data);

6094

5557

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

6095

5558

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

6096

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);

6097

5569

6098

5570

__attribute__((cleanup(cleanup_queue)))

6099

5571

task_queue *queue = create_queue();

6100

5572

g_assert_nonnull(queue);

5573

int socketfds[2];

6101

5574

g_assert_cmpint(socketpair(PF_LOCAL, SOCK_DGRAM

6102

5575

| SOCK_NONBLOCK | SOCK_CLOEXEC, 0,

6103

5576

socketfds), ==, 0);

6190

5663

__attribute__((unused))

6191

5664

gconstpointer user_data){

6192

5665

__attribute__((cleanup(cleanup_close)))

6193

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

6194

O_WRONLY | O_CLOEXEC | O_NOCTTY);

5666

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

6195

5667

__attribute__((cleanup(cleanup_string)))

6196

5668

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

6197

5669

g_assert_nonnull(question_filename);

6460

5932

const char *const

6461

5933

dirname){

6462

5934

__attribute__((cleanup(cleanup_close)))

6463

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

6464

O_WRONLY | O_CLOEXEC | O_NOCTTY);

5935

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

6465

5936

g_assert_cmpint(devnull_fd, >=, 0);

6466

5937

__attribute__((cleanup(cleanup_close)))

6467

5938

const int real_stderr_fd = dup(STDERR_FILENO);

8010

7481

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

8011

7482

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

8012

7483

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

8013

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

8014

7484

test_add("/queue/has_question/empty",

8015

7485

test_queue_has_question_empty);

8016

7486

test_add("/queue/has_question/false",

8103

7573

test_add_inotify_dir_watch);

8104

7574

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

8105

7575

test_add_inotify_dir_watch_fail);

8106

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

8107

test_add_inotify_dir_watch_nondir);

8108

7576

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

8109

7577

test_add_inotify_dir_watch_EAGAIN);

8110

7578

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

8111

7579

test_add_inotify_dir_watch_IN_CLOSE_WRITE);

8112

7580

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

8113

7581

test_add_inotify_dir_watch_IN_MOVED_TO);

8114

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

8115

test_add_inotify_dir_watch_IN_MOVED_FROM);

8116

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

8117

test_add_inotify_dir_watch_IN_EXCL_UNLINK);

8118

7582

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

8119

7583

test_add_inotify_dir_watch_IN_DELETE);

8120

7584

test_add_st("/task/read_inotify_event/readerror",

8129

7593

test_read_inotify_event_IN_CLOSE_WRITE);

8130

7594

test_add_st("/task/read_inotify_event/IN_MOVED_TO",

8131

7595

test_read_inotify_event_IN_MOVED_TO);

8132

test_add_st("/task/read_inotify_event/IN_MOVED_FROM",

8133

test_read_inotify_event_IN_MOVED_FROM);

8134

7596

test_add_st("/task/read_inotify_event/IN_DELETE",

8135

7597

test_read_inotify_event_IN_DELETE);

8136

7598

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

8137

7599

test_read_inotify_event_IN_CLOSE_WRITE_badname);

8138

7600

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

8139

7601

test_read_inotify_event_IN_MOVED_TO_badname);

8140

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

8141

test_read_inotify_event_IN_MOVED_FROM_badname);

8142

7602

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

8143

7603

test_read_inotify_event_IN_DELETE_badname);

8144

7604

test_add_st("/task/open_and_parse_question/ENOENT",

8241

7701

g_option_context_set_help_enabled(context, FALSE);

8242

7702

g_option_context_set_ignore_unknown_options(context, TRUE);

8243

7703

8244

gboolean should_run_tests = FALSE;

7704

gboolean run_tests = FALSE;

8245

7705

GOptionEntry entries[] = {

8246

7706

{ "test", 0, 0, G_OPTION_ARG_NONE,

8247

&should_run_tests, "Run tests", NULL },

7707

&run_tests, "Run tests", NULL },

8248

7708

{ NULL }

8249

7709

};

8250

7710

g_option_context_add_main_entries(context, entries, NULL);

8257

7717

}

8258

7718

8259

7719

g_option_context_free(context);

8260

return should_run_tests != FALSE;

7720

return run_tests != FALSE;

8261

7721

}

8262

8263

/*

8264

Local Variables:

8265

run-tests:

8266

(lambda ()

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:

8271

(lambda (dir)

8272

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

8273

(setq buffer-read-only nil

8274

default-directory dir)

8275

(erase-buffer)

8276

(compilation-mode))

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))))

8283

get-command-line:

8284

(lambda ()

8285

(let*

8286

((build-directory

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)

8292

build-directory)))

8293

(command

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)

8304

((file-readable-p

8305

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

8306

"Makefile")) try-directory)

8307

((funcall find-build-directory

8308

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

8309

try-directory))

8310

base-directory)))))

8311

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

8312

(lambda ()

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*"))))

8321

remove-test-window:

8322

(lambda ()

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)

8326

End:

8327

*/