/mandos/trunk : revision 1186

48

#include <error.h> /* error() */

49

#include <sysexits.h> /* EX_USAGE, EX_OSERR, EX_OSFILE */

50

#include <errno.h> /* errno, error_t, EACCES,

51

ENAMETOOLONG, ENOENT, EEXIST,

52

ECHILD, EPERM, ENOMEM, EAGAIN,

53

EINTR, ENOBUFS, EADDRINUSE,

51

ENAMETOOLONG, ENOENT, ENOTDIR,

52

EEXIST, ECHILD, EPERM, ENOMEM,

53

EAGAIN, EINTR, ENOBUFS, EADDRINUSE,

54

ECONNREFUSED, ECONNRESET,

55

ETOOMANYREFS, EMSGSIZE, EBADF,

56

EINVAL */

83

#include <sys/mman.h> /* munlock(), mlock() */

84

#include <fcntl.h> /* O_CLOEXEC, O_NONBLOCK, fcntl(),

85

F_GETFD, F_GETFL, FD_CLOEXEC,

86

open(), O_WRONLY, O_RDONLY */

86

open(), O_WRONLY, O_NOCTTY,

87

O_RDONLY, O_NOFOLLOW */

87

88

#include <sys/wait.h> /* waitpid(), WNOHANG, WIFEXITED(),

88

89

WEXITSTATUS() */

89

90

#include <limits.h> /* PIPE_BUF, NAME_MAX, INT_MAX */

90

91

#include <sys/inotify.h> /* inotify_init1(), IN_NONBLOCK,

91

92

IN_CLOEXEC, inotify_add_watch(),

92

93

IN_CLOSE_WRITE, IN_MOVED_TO,

93

IN_DELETE, struct inotify_event */

94

IN_MOVED_FROM, IN_DELETE,

95

IN_EXCL_UNLINK, IN_ONLYDIR,

96

struct inotify_event */

94

97

#include <fnmatch.h> /* fnmatch(), FNM_FILE_NAME */

95

98

#include <stdio.h> /* asprintf(), FILE, fopen(),

96

99

getline(), sscanf(), feof(),

145

148

mono_microsecs next_run;

146

149

} __attribute__((designated_init)) task_queue;

147

150

148

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

151

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

149

152

150

153

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

151

154

this type */

431

434

case EACCES:

432

435

case ENAMETOOLONG:

433

436

case ENOENT:

437

case ENOTDIR:

434

438

return EX_OSFILE;

435

439

default:

436

440

return EX_OSERR;

1017

1021

return false;

1018

1022

}

1019

1023

1020

if(inotify_add_watch(fd, dir, IN_CLOSE_WRITE

1021

| IN_MOVED_TO | IN_DELETE)

1024

if(inotify_add_watch(fd, dir, IN_CLOSE_WRITE | IN_MOVED_TO

1025

| IN_MOVED_FROM| IN_DELETE | IN_EXCL_UNLINK

1026

| IN_ONLYDIR)

1022

1027

== -1){

1023

1028

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

1024

1029

return false;

1071

1076

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

1072

1077

const size_t ievent_size = (sizeof(struct inotify_event)

1073

1078

+ NAME_MAX + 1);

1074

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

1075

struct inotify_event *ievent = ((struct inotify_event *)

1076

ievent_buffer);

1079

struct {

1080

struct inotify_event event;

1081

char name_buffer[NAME_MAX + 1];

1082

} ievent_buffer;

1083

struct inotify_event *const ievent = &ievent_buffer.event;

1077

1084

1078

1085

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

1079

1086

if(read_length == 0){ /* EOF */

1117

1124

immediately */

1118

1125

queue->next_run = 1;

1119

1126

}

1120

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

1127

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

1121

1128

if(not string_set_add(cancelled_filenames,

1122

1129

question_filename)){

1123

1130

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

2220

2227

2221

2228

{

2222

2229

__attribute__((cleanup(cleanup_close)))

2223

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

2230

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

2231

O_WRONLY | O_CLOEXEC | O_NOCTTY);

2224

2232

g_assert_cmpint(devnull_fd, >=, 0);

2225

2233

__attribute__((cleanup(cleanup_close)))

2226

2234

const int real_stderr_fd = dup(STDERR_FILENO);

2250

2258

{

2251

2259

__attribute__((cleanup(cleanup_close)))

2252

2260

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

2253

O_WRONLY | O_CLOEXEC);

2261

O_WRONLY | O_CLOEXEC | O_NOCTTY);

2254

2262

g_assert_cmpint(devnull_fd, >=, 0);

2255

2263

__attribute__((cleanup(cleanup_close)))

2256

2264

const int real_stderr_fd = dup(STDERR_FILENO);

2901

2909

2902

2910

__attribute__((cleanup(cleanup_close)))

2903

2911

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

2904

O_WRONLY | O_CLOEXEC);

2912

O_WRONLY | O_CLOEXEC | O_NOCTTY);

2905

2913

g_assert_cmpint(devnull_fd, >=, 0);

2906

2914

__attribute__((cleanup(cleanup_close)))

2907

2915

const int real_stderr_fd = dup(STDERR_FILENO);

2972

2980

2973

2981

__attribute__((cleanup(cleanup_close)))

2974

2982

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

2975

O_WRONLY | O_CLOEXEC);

2983

O_WRONLY | O_CLOEXEC, O_NOCTTY);

2976

2984

g_assert_cmpint(devnull_fd, >=, 0);

2977

2985

__attribute__((cleanup(cleanup_close)))

2978

2986

const int real_stderr_fd = dup(STDERR_FILENO);

3016

3024

buffer password = {};

3017

3025

3018

3026

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

3019

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

3027

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

3028

O_RDONLY | O_CLOEXEC | O_NOCTTY);

3020

3029

3021

3030

bool password_is_read = false;

3022

3031

bool quit_now = false;

3450

3459

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

3451

3460

}

3452

3461

3462

static void test_add_inotify_dir_watch_nondir(__attribute__((unused))

3463

test_fixture *fixture,

3464

__attribute__((unused))

3465

gconstpointer

3466

user_data){

3467

__attribute__((cleanup(cleanup_close)))

3468

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

3469

g_assert_cmpint(epoll_fd, >=, 0);

3470

__attribute__((cleanup(cleanup_queue)))

3471

task_queue *queue = create_queue();

3472

g_assert_nonnull(queue);

3473

__attribute__((cleanup(string_set_clear)))

3474

string_set cancelled_filenames = {};

3475

const mono_microsecs current_time = 0;

3476

3477

bool quit_now = false;

3478

buffer password = {};

3479

bool mandos_client_exited = false;

3480

bool password_is_read = false;

3481

3482

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

3483

3484

FILE *real_stderr = stderr;

3485

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

3486

g_assert_nonnull(devnull);

3487

stderr = devnull;

3488

g_assert_false(add_inotify_dir_watch(queue, epoll_fd, &quit_now,

3489

&password, not_a_directory,

3490

&cancelled_filenames,

3491

&current_time,

3492

&mandos_client_exited,

3493

&password_is_read));

3494

stderr = real_stderr;

3495

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

3496

3497

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

3498

}

3499

3453

3500

static void test_add_inotify_dir_watch_EAGAIN(__attribute__((unused))

3454

3501

test_fixture *fixture,

3455

3502

__attribute__((unused))

3670

3717

}

3671

3718

3672

3719

static

3720

void test_add_inotify_dir_watch_IN_MOVED_FROM(__attribute__((unused))

3721

test_fixture *fixture,

3722

__attribute__((unused))

3723

gconstpointer

3724

user_data){

3725

__attribute__((cleanup(cleanup_close)))

3726

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

3727

g_assert_cmpint(epoll_fd, >=, 0);

3728

__attribute__((cleanup(cleanup_queue)))

3729

task_queue *queue = create_queue();

3730

g_assert_nonnull(queue);

3731

__attribute__((cleanup(string_set_clear)))

3732

string_set cancelled_filenames = {};

3733

const mono_microsecs current_time = 0;

3734

3735

bool quit_now = false;

3736

buffer password = {};

3737

bool mandos_client_exited = false;

3738

bool password_is_read = false;

3739

3740

__attribute__((cleanup(cleanup_string)))

3741

char *tempdir = make_temporary_directory();

3742

g_assert_nonnull(tempdir);

3743

3744

__attribute__((cleanup(cleanup_string)))

3745

char *tempfilename = make_temporary_file_in_directory(tempdir);

3746

g_assert_nonnull(tempfilename);

3747

3748

__attribute__((cleanup(cleanup_string)))

3749

char *targetdir = make_temporary_directory();

3750

g_assert_nonnull(targetdir);

3751

3752

__attribute__((cleanup(cleanup_string)))

3753

char *targetfilename = NULL;

3754

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

3755

basename(tempfilename)), >, 0);

3756

g_assert_nonnull(targetfilename);

3757

3758

g_assert_true(add_inotify_dir_watch(queue, epoll_fd, &quit_now,

3759

&password, tempdir,

3760

&cancelled_filenames,

3761

&current_time,

3762

&mandos_client_exited,

3763

&password_is_read));

3764

3765

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

3766

3767

const task_context *const added_read_task

3768

= find_matching_task(queue,

3769

(task_context){ .func=read_inotify_event });

3770

g_assert_nonnull(added_read_task);

3771

3772

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

3773

const size_t ievent_size = (sizeof(struct inotify_event)

3774

+ NAME_MAX + 1);

3775

struct inotify_event *ievent = malloc(ievent_size);

3776

g_assert_nonnull(ievent);

3777

3778

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

3779

3780

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

3781

g_assert_true(ievent->mask & IN_MOVED_FROM);

3782

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

3783

3784

free(ievent);

3785

3786

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

3787

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

3788

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

3789

}

3790

3791

static

3673

3792

void test_add_inotify_dir_watch_IN_DELETE(__attribute__((unused))

3674

3793

test_fixture *fixture,

3675

3794

__attribute__((unused))

3733

3852

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

3734

3853

}

3735

3854

3855

static

3856

void test_add_inotify_dir_watch_IN_EXCL_UNLINK(__attribute__((unused))

3857

test_fixture *fixture,

3858

__attribute__((unused))

3859

gconstpointer

3860

user_data){

3861

__attribute__((cleanup(cleanup_close)))

3862

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

3863

g_assert_cmpint(epoll_fd, >=, 0);

3864

__attribute__((cleanup(cleanup_queue)))

3865

task_queue *queue = create_queue();

3866

g_assert_nonnull(queue);

3867

__attribute__((cleanup(string_set_clear)))

3868

string_set cancelled_filenames = {};

3869

const mono_microsecs current_time = 0;

3870

3871

bool quit_now = false;

3872

buffer password = {};

3873

bool mandos_client_exited = false;

3874

bool password_is_read = false;

3875

3876

__attribute__((cleanup(cleanup_string)))

3877

char *tempdir = make_temporary_directory();

3878

g_assert_nonnull(tempdir);

3879

3880

__attribute__((cleanup(cleanup_string)))

3881

char *tempfile = make_temporary_file_in_directory(tempdir);

3882

g_assert_nonnull(tempfile);

3883

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

3884

| O_NOFOLLOW);

3885

g_assert_cmpint(tempfile_fd, >, 2);

3886

3887

g_assert_true(add_inotify_dir_watch(queue, epoll_fd, &quit_now,

3888

&password, tempdir,

3889

&cancelled_filenames,

3890

&current_time,

3891

&mandos_client_exited,

3892

&password_is_read));

3893

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

3894

3895

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

3896

3897

const task_context *const added_read_task

3898

= find_matching_task(queue,

3899

(task_context){ .func=read_inotify_event });

3900

g_assert_nonnull(added_read_task);

3901

3902

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

3903

g_assert_true(fd_has_cloexec_and_nonblock(added_read_task->fd));

3904

3905

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

3906

const size_t ievent_size = (sizeof(struct inotify_event)

3907

+ NAME_MAX + 1);

3908

struct inotify_event *ievent = malloc(ievent_size);

3909

g_assert_nonnull(ievent);

3910

3911

ssize_t read_size = 0;

3912

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

3913

3914

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

3915

g_assert_true(ievent->mask & IN_DELETE);

3916

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

3917

3918

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

3919

3920

/* IN_EXCL_UNLINK should make the closing of the previously unlinked

3921

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

3922

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

3923

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

3924

g_assert_true(errno == EAGAIN);

3925

3926

free(ievent);

3927

3928

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

3929

}

3930

3736

3931

static void test_read_inotify_event_readerror(__attribute__((unused))

3737

3932

test_fixture *fixture,

3738

3933

__attribute__((unused))

3744

3939

const mono_microsecs current_time = 0;

3745

3940

3746

3941

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

3747

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

3942

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

3943

O_RDONLY | O_CLOEXEC | O_NOCTTY);

3748

3944

3749

3945

bool quit_now = false;

3750

3946

__attribute__((cleanup(cleanup_queue)))

3929

4125

const size_t ievent_max_size = (sizeof(struct inotify_event)

3930

4126

+ NAME_MAX + 1);

3931

4127

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

3932

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

3933

struct inotify_event *ievent = ((struct inotify_event *)

3934

ievent_buffer);

4128

struct {

4129

struct inotify_event event;

4130

char name_buffer[NAME_MAX + 1];

4131

} ievent_buffer;

4132

struct inotify_event *const ievent = &ievent_buffer.event;

3935

4133

3936

4134

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

3937

4135

ievent->mask = IN_CLOSE_WRITE;

3939

4137

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

3940

4138

const size_t ievent_size = (sizeof(struct inotify_event)

3941

4139

+ sizeof(dummy_file_name));

3942

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

4140

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

3943

4141

==, ievent_size);

3944

4142

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

3945

4143

4022

4220

const size_t ievent_max_size = (sizeof(struct inotify_event)

4023

4221

+ NAME_MAX + 1);

4024

4222

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4025

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

4026

struct inotify_event *ievent = ((struct inotify_event *)

4027

ievent_buffer);

4223

struct {

4224

struct inotify_event event;

4225

char name_buffer[NAME_MAX + 1];

4226

} ievent_buffer;

4227

struct inotify_event *const ievent = &ievent_buffer.event;

4028

4228

4029

4229

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

4030

4230

ievent->mask = IN_MOVED_TO;

4032

4232

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

4033

4233

const size_t ievent_size = (sizeof(struct inotify_event)

4034

4234

+ sizeof(dummy_file_name));

4035

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

4235

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

4036

4236

==, ievent_size);

4037

4237

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

4038

4238

4098

4298

}));

4099

4299

}

4100

4300

4301

static

4302

void test_read_inotify_event_IN_MOVED_FROM(__attribute__((unused))

4303

test_fixture *fixture,

4304

__attribute__((unused))

4305

gconstpointer user_data){

4306

__attribute__((cleanup(cleanup_close)))

4307

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

4308

g_assert_cmpint(epoll_fd, >=, 0);

4309

__attribute__((cleanup(string_set_clear)))

4310

string_set cancelled_filenames = {};

4311

const mono_microsecs current_time = 0;

4312

4313

int pipefds[2];

4314

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

4315

4316

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

4317

const size_t ievent_max_size = (sizeof(struct inotify_event)

4318

+ NAME_MAX + 1);

4319

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4320

struct {

4321

struct inotify_event event;

4322

char name_buffer[NAME_MAX + 1];

4323

} ievent_buffer;

4324

struct inotify_event *const ievent = &ievent_buffer.event;

4325

4326

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

4327

ievent->mask = IN_MOVED_FROM;

4328

ievent->len = sizeof(dummy_file_name);

4329

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

4330

const size_t ievent_size = (sizeof(struct inotify_event)

4331

+ sizeof(dummy_file_name));

4332

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

4333

==, ievent_size);

4334

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

4335

4336

bool quit_now = false;

4337

buffer password = {};

4338

bool mandos_client_exited = false;

4339

bool password_is_read = false;

4340

__attribute__((cleanup(cleanup_queue)))

4341

task_queue *queue = create_queue();

4342

g_assert_nonnull(queue);

4343

4344

task_context task = {

4345

.func=read_inotify_event,

4346

.epoll_fd=epoll_fd,

4347

.fd=pipefds[0],

4348

.quit_now=&quit_now,

4349

.password=&password,

4350

.filename=strdup("/nonexistent"),

4351

.cancelled_filenames=&cancelled_filenames,

4352

.current_time=&current_time,

4353

.mandos_client_exited=&mandos_client_exited,

4354

.password_is_read=&password_is_read,

4355

};

4356

task.func(task, queue);

4357

g_assert_false(quit_now);

4358

g_assert_true(queue->next_run == 0);

4359

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

4360

4361

g_assert_nonnull(find_matching_task(queue, (task_context){

4362

.func=read_inotify_event,

4363

.epoll_fd=epoll_fd,

4364

.fd=pipefds[0],

4365

.quit_now=&quit_now,

4366

.password=&password,

4367

.filename=task.filename,

4368

.cancelled_filenames=&cancelled_filenames,

4369

.current_time=&current_time,

4370

.mandos_client_exited=&mandos_client_exited,

4371

.password_is_read=&password_is_read,

4372

}));

4373

4374

g_assert_true(epoll_set_contains(epoll_fd, pipefds[0],

4375

EPOLLIN | EPOLLRDHUP));

4376

4377

__attribute__((cleanup(cleanup_string)))

4378

char *filename = NULL;

4379

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

4380

dummy_file_name), >, 0);

4381

g_assert_nonnull(filename);

4382

g_assert_true(string_set_contains(*task.cancelled_filenames,

4383

filename));

4384

}

4385

4101

4386

static void test_read_inotify_event_IN_DELETE(__attribute__((unused))

4102

4387

test_fixture *fixture,

4103

4388

__attribute__((unused))

4117

4402

const size_t ievent_max_size = (sizeof(struct inotify_event)

4118

4403

+ NAME_MAX + 1);

4119

4404

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4120

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

4121

struct inotify_event *ievent = ((struct inotify_event *)

4122

ievent_buffer);

4405

struct {

4406

struct inotify_event event;

4407

char name_buffer[NAME_MAX + 1];

4408

} ievent_buffer;

4409

struct inotify_event *const ievent = &ievent_buffer.event;

4123

4410

4124

4411

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

4125

4412

ievent->mask = IN_DELETE;

4127

4414

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

4128

4415

const size_t ievent_size = (sizeof(struct inotify_event)

4129

4416

+ sizeof(dummy_file_name));

4130

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

4417

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

4131

4418

==, ievent_size);

4132

4419

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

4133

4420

4199

4486

const size_t ievent_max_size = (sizeof(struct inotify_event)

4200

4487

+ NAME_MAX + 1);

4201

4488

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4202

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

4203

struct inotify_event *ievent = ((struct inotify_event *)

4204

ievent_buffer);

4489

struct {

4490

struct inotify_event event;

4491

char name_buffer[NAME_MAX + 1];

4492

} ievent_buffer;

4493

struct inotify_event *const ievent = &ievent_buffer.event;

4205

4494

4206

4495

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

4207

4496

ievent->mask = IN_CLOSE_WRITE;

4209

4498

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

4210

4499

const size_t ievent_size = (sizeof(struct inotify_event)

4211

4500

+ sizeof(dummy_file_name));

4212

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

4501

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

4213

4502

==, ievent_size);

4214

4503

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

4215

4504

4273

4562

const size_t ievent_max_size = (sizeof(struct inotify_event)

4274

4563

+ NAME_MAX + 1);

4275

4564

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4276

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

4277

struct inotify_event *ievent = ((struct inotify_event *)

4278

ievent_buffer);

4565

struct {

4566

struct inotify_event event;

4567

char name_buffer[NAME_MAX + 1];

4568

} ievent_buffer;

4569

struct inotify_event *const ievent = &ievent_buffer.event;

4279

4570

4280

4571

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

4281

4572

ievent->mask = IN_MOVED_TO;

4283

4574

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

4284

4575

const size_t ievent_size = (sizeof(struct inotify_event)

4285

4576

+ sizeof(dummy_file_name));

4286

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

4577

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

4287

4578

==, ievent_size);

4288

4579

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

4289

4580

4330

4621

EPOLLIN | EPOLLRDHUP));

4331

4622

}

4332

4623

4624

static void

4625

test_read_inotify_event_IN_MOVED_FROM_badname(__attribute__((unused))

4626

test_fixture *fixture,

4627

__attribute__((unused))

4628

gconstpointer

4629

user_data){

4630

__attribute__((cleanup(cleanup_close)))

4631

const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);

4632

g_assert_cmpint(epoll_fd, >=, 0);

4633

__attribute__((cleanup(string_set_clear)))

4634

string_set cancelled_filenames = {};

4635

const mono_microsecs current_time = 0;

4636

4637

int pipefds[2];

4638

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

4639

4640

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

4641

const size_t ievent_max_size = (sizeof(struct inotify_event)

4642

+ NAME_MAX + 1);

4643

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4644

struct {

4645

struct inotify_event event;

4646

char name_buffer[NAME_MAX + 1];

4647

} ievent_buffer;

4648

struct inotify_event *const ievent = &ievent_buffer.event;

4649

4650

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

4651

ievent->mask = IN_MOVED_FROM;

4652

ievent->len = sizeof(dummy_file_name);

4653

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

4654

const size_t ievent_size = (sizeof(struct inotify_event)

4655

+ sizeof(dummy_file_name));

4656

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

4657

==, ievent_size);

4658

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

4659

4660

bool quit_now = false;

4661

buffer password = {};

4662

bool mandos_client_exited = false;

4663

bool password_is_read = false;

4664

__attribute__((cleanup(cleanup_queue)))

4665

task_queue *queue = create_queue();

4666

g_assert_nonnull(queue);

4667

4668

task_context task = {

4669

.func=read_inotify_event,

4670

.epoll_fd=epoll_fd,

4671

.fd=pipefds[0],

4672

.quit_now=&quit_now,

4673

.password=&password,

4674

.filename=strdup("/nonexistent"),

4675

.cancelled_filenames=&cancelled_filenames,

4676

.current_time=&current_time,

4677

.mandos_client_exited=&mandos_client_exited,

4678

.password_is_read=&password_is_read,

4679

};

4680

task.func(task, queue);

4681

g_assert_false(quit_now);

4682

g_assert_true(queue->next_run == 0);

4683

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

4684

4685

g_assert_nonnull(find_matching_task(queue, (task_context){

4686

.func=read_inotify_event,

4687

.epoll_fd=epoll_fd,

4688

.fd=pipefds[0],

4689

.quit_now=&quit_now,

4690

.password=&password,

4691

.filename=task.filename,

4692

.cancelled_filenames=&cancelled_filenames,

4693

.current_time=&current_time,

4694

.mandos_client_exited=&mandos_client_exited,

4695

.password_is_read=&password_is_read,

4696

}));

4697

4698

g_assert_true(epoll_set_contains(epoll_fd, pipefds[0],

4699

EPOLLIN | EPOLLRDHUP));

4700

4701

__attribute__((cleanup(cleanup_string)))

4702

char *filename = NULL;

4703

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

4704

dummy_file_name), >, 0);

4705

g_assert_nonnull(filename);

4706

g_assert_false(string_set_contains(cancelled_filenames, filename));

4707

}

4708

4333

4709

static

4334

4710

void test_read_inotify_event_IN_DELETE_badname(__attribute__((unused))

4335

4711

test_fixture *fixture,

4350

4726

const size_t ievent_max_size = (sizeof(struct inotify_event)

4351

4727

+ NAME_MAX + 1);

4352

4728

g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);

4353

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

4354

struct inotify_event *ievent = ((struct inotify_event *)

4355

ievent_buffer);

4729

struct {

4730

struct inotify_event event;

4731

char name_buffer[NAME_MAX + 1];

4732

} ievent_buffer;

4733

struct inotify_event *const ievent = &ievent_buffer.event;

4356

4734

4357

4735

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

4358

4736

ievent->mask = IN_DELETE;

4360

4738

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

4361

4739

const size_t ievent_size = (sizeof(struct inotify_event)

4362

4740

+ sizeof(dummy_file_name));

4363

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

4741

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

4364

4742

==, ievent_size);

4365

4743

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

4366

4744

5253

5631

__attribute__((unused))

5254

5632

gconstpointer user_data){

5255

5633

__attribute__((cleanup(cleanup_close)))

5256

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

5634

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

5635

O_WRONLY | O_CLOEXEC | O_NOCTTY);

5257

5636

__attribute__((cleanup(cleanup_string)))

5258

5637

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

5259

5638

g_assert_nonnull(question_filename);

5663

6042

__attribute__((unused))

5664

6043

gconstpointer user_data){

5665

6044

__attribute__((cleanup(cleanup_close)))

5666

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

6045

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

6046

O_WRONLY | O_CLOEXEC | O_NOCTTY);

5667

6047

__attribute__((cleanup(cleanup_string)))

5668

6048

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

5669

6049

g_assert_nonnull(question_filename);

5932

6312

const char *const

5933

6313

dirname){

5934

6314

__attribute__((cleanup(cleanup_close)))

5935

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

6315

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

6316

O_WRONLY | O_CLOEXEC | O_NOCTTY);

5936

6317

g_assert_cmpint(devnull_fd, >=, 0);

5937

6318

__attribute__((cleanup(cleanup_close)))

5938

6319

const int real_stderr_fd = dup(STDERR_FILENO);

7573

7954

test_add_inotify_dir_watch);

7574

7955

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

7575

7956

test_add_inotify_dir_watch_fail);

7957

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

7958

test_add_inotify_dir_watch_nondir);

7576

7959

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

7577

7960

test_add_inotify_dir_watch_EAGAIN);

7578

7961

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

7579

7962

test_add_inotify_dir_watch_IN_CLOSE_WRITE);

7580

7963

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

7581

7964

test_add_inotify_dir_watch_IN_MOVED_TO);

7965

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

7966

test_add_inotify_dir_watch_IN_MOVED_FROM);

7967

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

7968

test_add_inotify_dir_watch_IN_EXCL_UNLINK);

7582

7969

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

7583

7970

test_add_inotify_dir_watch_IN_DELETE);

7584

7971

test_add_st("/task/read_inotify_event/readerror",

7593

7980

test_read_inotify_event_IN_CLOSE_WRITE);

7594

7981

test_add_st("/task/read_inotify_event/IN_MOVED_TO",

7595

7982

test_read_inotify_event_IN_MOVED_TO);

7983

test_add_st("/task/read_inotify_event/IN_MOVED_FROM",

7984

test_read_inotify_event_IN_MOVED_FROM);

7596

7985

test_add_st("/task/read_inotify_event/IN_DELETE",

7597

7986

test_read_inotify_event_IN_DELETE);

7598

7987

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

7599

7988

test_read_inotify_event_IN_CLOSE_WRITE_badname);

7600

7989

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

7601

7990

test_read_inotify_event_IN_MOVED_TO_badname);

7991

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

7992

test_read_inotify_event_IN_MOVED_FROM_badname);

7602

7993

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

7603

7994

test_read_inotify_event_IN_DELETE_badname);

7604

7995

test_add_st("/task/open_and_parse_question/ENOENT",