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Viewing changes to dracut-module/password-agent.c

  • Committer: Teddy Hogeborn
  • Date: 2019-08-02 07:19:32 UTC
  • Revision ID: teddy@recompile.se-20190802071932-wmo43ahs1oejrzlb
http://bugs.debian.org/933701
Makefile: "pkg-config" is now overrideable by PKG_CONFIG

* Makefile (PKG_CONFIG): New.
  (SYSTEMD, TMPFILES): Use $(PKG_CONFIG) instead of "pkg-config".
  (GNUTLS_CFLAGS, GNUTLS_LIBS, AVAHI_CFLAGS, AVAHI_LIBS): - '' -
  (LIBNL3_CFLAGS, LIBNL3_LIBS, GLIB_CFLAGS, GLIB_LIBS): - '' -

Closes: 933701
Reported-by: Helmut Grohne <helmut@subdivi.de>
Suggested-by: Helmut Grohne <helmut@subdivi.de>
Thanks: Helmut Grohne <helmut@subdivi.de> for bug report and patch

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Lines of Context:
dracut-module/password-agent.c
48
48
#include <error.h>              /* error() */
49
49
#include <sysexits.h>           /* EX_USAGE, EX_OSERR, EX_OSFILE */
50
50
#include <errno.h>              /* errno, error_t, EACCES,
51
 
                                   ENAMETOOLONG, ENOENT, ENOTDIR,
52
 
                                   ENOMEM, EEXIST, ECHILD, EPERM,
53
 
                                   EAGAIN, EINTR, ENOBUFS, EADDRINUSE,
 
51
                                   ENAMETOOLONG, ENOENT, EEXIST,
 
52
                                   ECHILD, EPERM, ENOMEM, EAGAIN,
 
53
                                   EINTR, ENOBUFS, EADDRINUSE,
54
54
                                   ECONNREFUSED, ECONNRESET,
55
55
                                   ETOOMANYREFS, EMSGSIZE, EBADF,
56
56
                                   EINVAL */
73
73
                                   ARGP_ERR_UNKNOWN, ARGP_KEY_ARGS,
74
74
                                   struct argp, argp_parse(),
75
75
                                   ARGP_NO_EXIT */
76
 
#include <stdint.h>             /* SIZE_MAX */
77
76
#include <unistd.h>             /* uid_t, gid_t, close(), pipe2(),
78
77
                                   fork(), _exit(), dup2(),
79
78
                                   STDOUT_FILENO, setresgid(),
84
83
#include <sys/mman.h>           /* munlock(), mlock() */
85
84
#include <fcntl.h>              /* O_CLOEXEC, O_NONBLOCK, fcntl(),
86
85
                                   F_GETFD, F_GETFL, FD_CLOEXEC,
87
 
                                   open(), O_WRONLY, O_NOCTTY,
88
 
                                   O_RDONLY, O_NOFOLLOW */
 
86
                                   open(), O_WRONLY, O_RDONLY */
89
87
#include <sys/wait.h>           /* waitpid(), WNOHANG, WIFEXITED(),
90
88
                                   WEXITSTATUS() */
91
89
#include <limits.h>             /* PIPE_BUF, NAME_MAX, INT_MAX */
92
90
#include <sys/inotify.h>        /* inotify_init1(), IN_NONBLOCK,
93
91
                                   IN_CLOEXEC, inotify_add_watch(),
94
92
                                   IN_CLOSE_WRITE, IN_MOVED_TO,
95
 
                                   IN_MOVED_FROM, IN_DELETE,
96
 
                                   IN_EXCL_UNLINK, IN_ONLYDIR,
97
 
                                   struct inotify_event */
 
93
                                   IN_DELETE, struct inotify_event */
98
94
#include <fnmatch.h>            /* fnmatch(), FNM_FILE_NAME */
99
 
#include <stdio.h>              /* asprintf(), FILE, stderr, fopen(),
100
 
                                   fclose(), getline(), sscanf(),
101
 
                                   feof(), ferror(), rename(),
102
 
                                   fdopen(), fprintf(), fscanf() */
 
95
#include <stdio.h>              /* asprintf(), FILE, fopen(),
 
96
                                   getline(), sscanf(), feof(),
 
97
                                   ferror(), fclose(), stderr,
 
98
                                   rename(), fdopen(), fprintf(),
 
99
                                   fscanf() */
103
100
#include <glib.h>    /* GKeyFile, g_key_file_free(), g_key_file_new(),
104
101
                        GError, g_key_file_load_from_file(),
105
102
                        G_KEY_FILE_NONE, TRUE, G_FILE_ERROR_NOENT,
148
145
  mono_microsecs next_run;
149
146
} __attribute__((designated_init)) task_queue;
150
147
 
151
 
/* "task_func" - A function type for task functions
 
148
/* "func_type" - A function type for task functions
152
149
 
153
150
   I.e. functions for the code which runs when a task is run, all have
154
151
   this type */
434
431
    case EACCES:
435
432
    case ENAMETOOLONG:
436
433
    case ENOENT:
437
 
    case ENOTDIR:
438
434
      return EX_OSFILE;
439
435
    default:
440
436
      return EX_OSERR;
651
647
 
652
648
__attribute__((nonnull, warn_unused_result))
653
649
bool add_to_queue(task_queue *const queue, const task_context task){
654
 
  if((queue->length + 1) > (SIZE_MAX / sizeof(task_context))){
655
 
    /* overflow */
656
 
    error(0, ENOMEM, "Failed to allocate %" PRIuMAX
657
 
          " tasks for queue->tasks", (uintmax_t)(queue->length + 1));
658
 
    errno = ENOMEM;
659
 
    return false;
660
 
  }
661
650
  const size_t needed_size = sizeof(task_context)*(queue->length + 1);
662
651
  if(needed_size > (queue->allocated)){
663
652
    task_context *const new_tasks = realloc(queue->tasks,
868
857
  }
869
858
  close(pipefds[1]);
870
859
 
871
 
  if(pid == -1){
872
 
    error(0, errno, "Failed to fork()");
873
 
    close(pipefds[0]);
874
 
    return false;
875
 
  }
876
 
 
877
860
  if(not add_to_queue(queue, (task_context){
878
861
        .func=wait_for_mandos_client_exit,
879
862
        .pid=pid,
1034
1017
    return false;
1035
1018
  }
1036
1019
 
1037
 
  if(inotify_add_watch(fd, dir, IN_CLOSE_WRITE | IN_MOVED_TO
1038
 
                       | IN_MOVED_FROM| IN_DELETE | IN_EXCL_UNLINK
1039
 
                       | IN_ONLYDIR)
 
1020
  if(inotify_add_watch(fd, dir, IN_CLOSE_WRITE
 
1021
                       | IN_MOVED_TO | IN_DELETE)
1040
1022
     == -1){
1041
1023
    error(0, errno, "Failed to create inotify watch on %s", dir);
1042
1024
    return false;
1137
1119
             immediately */
1138
1120
          queue->next_run = 1;
1139
1121
        }
1140
 
      } else if(ievent->mask & (IN_MOVED_FROM | IN_DELETE)){
 
1122
      } else if(ievent->mask & IN_DELETE){
1141
1123
        if(not string_set_add(cancelled_filenames,
1142
1124
                              question_filename)){
1143
1125
          error(0, errno, "Could not add question %s to"
1897
1879
  g_assert_true(queue->tasks[0].func == dummy_func);
1898
1880
}
1899
1881
 
1900
 
static void test_add_to_queue_overflow(__attribute__((unused))
1901
 
                                       test_fixture *fixture,
1902
 
                                       __attribute__((unused))
1903
 
                                       gconstpointer user_data){
1904
 
  __attribute__((cleanup(cleanup_queue)))
1905
 
    task_queue *queue = create_queue();
1906
 
  g_assert_nonnull(queue);
1907
 
  g_assert_true(queue->length == 0);
1908
 
  queue->length = SIZE_MAX / sizeof(task_context); /* fake max size */
1909
 
 
1910
 
  FILE *real_stderr = stderr;
1911
 
  FILE *devnull = fopen("/dev/null", "we");
1912
 
  g_assert_nonnull(devnull);
1913
 
  stderr = devnull;
1914
 
  const bool ret = add_to_queue(queue,
1915
 
                                (task_context){ .func=dummy_func });
1916
 
  g_assert_true(errno == ENOMEM);
1917
 
  g_assert_false(ret);
1918
 
  stderr = real_stderr;
1919
 
  g_assert_cmpint(fclose(devnull), ==, 0);
1920
 
  queue->length = 0;            /* Restore real size */
1921
 
}
1922
 
 
1923
1882
static void dummy_func(__attribute__((unused))
1924
1883
                       const task_context task,
1925
1884
                       __attribute__((unused))
2196
2155
    }
2197
2156
    exit(EXIT_SUCCESS);
2198
2157
  }
2199
 
  if(pid == -1){
2200
 
    error(EXIT_FAILURE, errno, "Failed to fork()");
2201
 
  }
2202
 
 
2203
2158
  int status;
2204
2159
  waitpid(pid, &status, 0);
2205
2160
  if(WIFEXITED(status) and (WEXITSTATUS(status) == EXIT_SUCCESS)){
2267
2222
 
2268
2223
  {
2269
2224
    __attribute__((cleanup(cleanup_close)))
2270
 
      const int devnull_fd = open("/dev/null",
2271
 
                                  O_WRONLY | O_CLOEXEC | O_NOCTTY);
 
2225
      const int devnull_fd = open("/dev/null", O_WRONLY | O_CLOEXEC);
2272
2226
    g_assert_cmpint(devnull_fd, >=, 0);
2273
2227
    __attribute__((cleanup(cleanup_close)))
2274
2228
      const int real_stderr_fd = dup(STDERR_FILENO);
2298
2252
    {
2299
2253
      __attribute__((cleanup(cleanup_close)))
2300
2254
        const int devnull_fd = open("/dev/null",
2301
 
                                    O_WRONLY | O_CLOEXEC | O_NOCTTY);
 
2255
                                    O_WRONLY | O_CLOEXEC);
2302
2256
      g_assert_cmpint(devnull_fd, >=, 0);
2303
2257
      __attribute__((cleanup(cleanup_close)))
2304
2258
        const int real_stderr_fd = dup(STDERR_FILENO);
2949
2903
 
2950
2904
  __attribute__((cleanup(cleanup_close)))
2951
2905
    const int devnull_fd = open("/dev/null",
2952
 
                                O_WRONLY | O_CLOEXEC | O_NOCTTY);
 
2906
                                O_WRONLY | O_CLOEXEC);
2953
2907
  g_assert_cmpint(devnull_fd, >=, 0);
2954
2908
  __attribute__((cleanup(cleanup_close)))
2955
2909
    const int real_stderr_fd = dup(STDERR_FILENO);
3020
2974
 
3021
2975
  __attribute__((cleanup(cleanup_close)))
3022
2976
    const int devnull_fd = open("/dev/null",
3023
 
                                O_WRONLY | O_CLOEXEC, O_NOCTTY);
 
2977
                                O_WRONLY | O_CLOEXEC);
3024
2978
  g_assert_cmpint(devnull_fd, >=, 0);
3025
2979
  __attribute__((cleanup(cleanup_close)))
3026
2980
    const int real_stderr_fd = dup(STDERR_FILENO);
3064
3018
    buffer password = {};
3065
3019
 
3066
3020
  /* Reading /proc/self/mem from offset 0 will always give EIO */
3067
 
  const int fd = open("/proc/self/mem",
3068
 
                      O_RDONLY | O_CLOEXEC | O_NOCTTY);
 
3021
  const int fd = open("/proc/self/mem", O_RDONLY | O_CLOEXEC);
3069
3022
 
3070
3023
  bool password_is_read = false;
3071
3024
  bool quit_now = false;
3499
3452
  g_assert_cmpuint((unsigned int)queue->length, ==, 0);
3500
3453
}
3501
3454
 
3502
 
static void test_add_inotify_dir_watch_nondir(__attribute__((unused))
3503
 
                                              test_fixture *fixture,
3504
 
                                            __attribute__((unused))
3505
 
                                              gconstpointer
3506
 
                                              user_data){
3507
 
  __attribute__((cleanup(cleanup_close)))
3508
 
    const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
3509
 
  g_assert_cmpint(epoll_fd, >=, 0);
3510
 
  __attribute__((cleanup(cleanup_queue)))
3511
 
    task_queue *queue = create_queue();
3512
 
  g_assert_nonnull(queue);
3513
 
  __attribute__((cleanup(string_set_clear)))
3514
 
    string_set cancelled_filenames = {};
3515
 
  const mono_microsecs current_time = 0;
3516
 
 
3517
 
  bool quit_now = false;
3518
 
  buffer password = {};
3519
 
  bool mandos_client_exited = false;
3520
 
  bool password_is_read = false;
3521
 
 
3522
 
  const char not_a_directory[] = "/dev/tty";
3523
 
 
3524
 
  FILE *real_stderr = stderr;
3525
 
  FILE *devnull = fopen("/dev/null", "we");
3526
 
  g_assert_nonnull(devnull);
3527
 
  stderr = devnull;
3528
 
  g_assert_false(add_inotify_dir_watch(queue, epoll_fd, &quit_now,
3529
 
                                       &password, not_a_directory,
3530
 
                                       &cancelled_filenames,
3531
 
                                       &current_time,
3532
 
                                       &mandos_client_exited,
3533
 
                                       &password_is_read));
3534
 
  stderr = real_stderr;
3535
 
  g_assert_cmpint(fclose(devnull), ==, 0);
3536
 
 
3537
 
  g_assert_cmpuint((unsigned int)queue->length, ==, 0);
3538
 
}
3539
 
 
3540
3455
static void test_add_inotify_dir_watch_EAGAIN(__attribute__((unused))
3541
3456
                                              test_fixture *fixture,
3542
3457
                                              __attribute__((unused))
3757
3672
}
3758
3673
 
3759
3674
static
3760
 
void test_add_inotify_dir_watch_IN_MOVED_FROM(__attribute__((unused))
3761
 
                                              test_fixture *fixture,
3762
 
                                              __attribute__((unused))
3763
 
                                              gconstpointer
3764
 
                                              user_data){
3765
 
  __attribute__((cleanup(cleanup_close)))
3766
 
    const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
3767
 
  g_assert_cmpint(epoll_fd, >=, 0);
3768
 
  __attribute__((cleanup(cleanup_queue)))
3769
 
    task_queue *queue = create_queue();
3770
 
  g_assert_nonnull(queue);
3771
 
  __attribute__((cleanup(string_set_clear)))
3772
 
    string_set cancelled_filenames = {};
3773
 
  const mono_microsecs current_time = 0;
3774
 
 
3775
 
  bool quit_now = false;
3776
 
  buffer password = {};
3777
 
  bool mandos_client_exited = false;
3778
 
  bool password_is_read = false;
3779
 
 
3780
 
  __attribute__((cleanup(cleanup_string)))
3781
 
    char *tempdir = make_temporary_directory();
3782
 
  g_assert_nonnull(tempdir);
3783
 
 
3784
 
  __attribute__((cleanup(cleanup_string)))
3785
 
    char *tempfilename = make_temporary_file_in_directory(tempdir);
3786
 
  g_assert_nonnull(tempfilename);
3787
 
 
3788
 
  __attribute__((cleanup(cleanup_string)))
3789
 
    char *targetdir = make_temporary_directory();
3790
 
  g_assert_nonnull(targetdir);
3791
 
 
3792
 
  __attribute__((cleanup(cleanup_string)))
3793
 
    char *targetfilename = NULL;
3794
 
  g_assert_cmpint(asprintf(&targetfilename, "%s/%s", targetdir,
3795
 
                           basename(tempfilename)), >, 0);
3796
 
  g_assert_nonnull(targetfilename);
3797
 
 
3798
 
  g_assert_true(add_inotify_dir_watch(queue, epoll_fd, &quit_now,
3799
 
                                      &password, tempdir,
3800
 
                                      &cancelled_filenames,
3801
 
                                      &current_time,
3802
 
                                      &mandos_client_exited,
3803
 
                                      &password_is_read));
3804
 
 
3805
 
  g_assert_cmpint(rename(tempfilename, targetfilename), ==, 0);
3806
 
 
3807
 
  const task_context *const added_read_task
3808
 
    = find_matching_task(queue,
3809
 
                         (task_context){ .func=read_inotify_event });
3810
 
  g_assert_nonnull(added_read_task);
3811
 
 
3812
 
  /* "sufficient to read at least one event." - inotify(7) */
3813
 
  const size_t ievent_size = (sizeof(struct inotify_event)
3814
 
                              + NAME_MAX + 1);
3815
 
  struct inotify_event *ievent = malloc(ievent_size);
3816
 
  g_assert_nonnull(ievent);
3817
 
 
3818
 
  ssize_t read_size = read(added_read_task->fd, ievent, ievent_size);
3819
 
 
3820
 
  g_assert_cmpint((int)read_size, >, 0);
3821
 
  g_assert_true(ievent->mask & IN_MOVED_FROM);
3822
 
  g_assert_cmpstr(ievent->name, ==, basename(tempfilename));
3823
 
 
3824
 
  free(ievent);
3825
 
 
3826
 
  g_assert_cmpint(unlink(targetfilename), ==, 0);
3827
 
  g_assert_cmpint(rmdir(targetdir), ==, 0);
3828
 
  g_assert_cmpint(rmdir(tempdir), ==, 0);
3829
 
}
3830
 
 
3831
 
static
3832
3675
void test_add_inotify_dir_watch_IN_DELETE(__attribute__((unused))
3833
3676
                                          test_fixture *fixture,
3834
3677
                                          __attribute__((unused))
3892
3735
  g_assert_cmpint(rmdir(tempdir), ==, 0);
3893
3736
}
3894
3737
 
3895
 
static
3896
 
void test_add_inotify_dir_watch_IN_EXCL_UNLINK(__attribute__((unused))
3897
 
                                               test_fixture *fixture,
3898
 
                                               __attribute__((unused))
3899
 
                                               gconstpointer
3900
 
                                               user_data){
3901
 
  __attribute__((cleanup(cleanup_close)))
3902
 
    const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
3903
 
  g_assert_cmpint(epoll_fd, >=, 0);
3904
 
  __attribute__((cleanup(cleanup_queue)))
3905
 
    task_queue *queue = create_queue();
3906
 
  g_assert_nonnull(queue);
3907
 
  __attribute__((cleanup(string_set_clear)))
3908
 
    string_set cancelled_filenames = {};
3909
 
  const mono_microsecs current_time = 0;
3910
 
 
3911
 
  bool quit_now = false;
3912
 
  buffer password = {};
3913
 
  bool mandos_client_exited = false;
3914
 
  bool password_is_read = false;
3915
 
 
3916
 
  __attribute__((cleanup(cleanup_string)))
3917
 
    char *tempdir = make_temporary_directory();
3918
 
  g_assert_nonnull(tempdir);
3919
 
 
3920
 
  __attribute__((cleanup(cleanup_string)))
3921
 
    char *tempfile = make_temporary_file_in_directory(tempdir);
3922
 
  g_assert_nonnull(tempfile);
3923
 
  int tempfile_fd = open(tempfile, O_WRONLY | O_CLOEXEC | O_NOCTTY
3924
 
                         | O_NOFOLLOW);
3925
 
  g_assert_cmpint(tempfile_fd, >, 2);
3926
 
 
3927
 
  g_assert_true(add_inotify_dir_watch(queue, epoll_fd, &quit_now,
3928
 
                                      &password, tempdir,
3929
 
                                      &cancelled_filenames,
3930
 
                                      &current_time,
3931
 
                                      &mandos_client_exited,
3932
 
                                      &password_is_read));
3933
 
  g_assert_cmpint(unlink(tempfile), ==, 0);
3934
 
 
3935
 
  g_assert_cmpuint((unsigned int)queue->length, >, 0);
3936
 
 
3937
 
  const task_context *const added_read_task
3938
 
    = find_matching_task(queue,
3939
 
                         (task_context){ .func=read_inotify_event });
3940
 
  g_assert_nonnull(added_read_task);
3941
 
 
3942
 
  g_assert_cmpint(added_read_task->fd, >, 2);
3943
 
  g_assert_true(fd_has_cloexec_and_nonblock(added_read_task->fd));
3944
 
 
3945
 
  /* "sufficient to read at least one event." - inotify(7) */
3946
 
  const size_t ievent_size = (sizeof(struct inotify_event)
3947
 
                              + NAME_MAX + 1);
3948
 
  struct inotify_event *ievent = malloc(ievent_size);
3949
 
  g_assert_nonnull(ievent);
3950
 
 
3951
 
  ssize_t read_size = 0;
3952
 
  read_size = read(added_read_task->fd, ievent, ievent_size);
3953
 
 
3954
 
  g_assert_cmpint((int)read_size, >, 0);
3955
 
  g_assert_true(ievent->mask & IN_DELETE);
3956
 
  g_assert_cmpstr(ievent->name, ==, basename(tempfile));
3957
 
 
3958
 
  g_assert_cmpint(close(tempfile_fd), ==, 0);
3959
 
 
3960
 
  /* IN_EXCL_UNLINK should make the closing of the previously unlinked
3961
 
     file not appear as an ievent, so we should not see it now. */
3962
 
  read_size = read(added_read_task->fd, ievent, ievent_size);
3963
 
  g_assert_cmpint((int)read_size, ==, -1);
3964
 
  g_assert_true(errno == EAGAIN);
3965
 
 
3966
 
  free(ievent);
3967
 
 
3968
 
  g_assert_cmpint(rmdir(tempdir), ==, 0);
3969
 
}
3970
 
 
3971
3738
static void test_read_inotify_event_readerror(__attribute__((unused))
3972
3739
                                              test_fixture *fixture,
3973
3740
                                              __attribute__((unused))
3979
3746
  const mono_microsecs current_time = 0;
3980
3747
 
3981
3748
  /* Reading /proc/self/mem from offset 0 will always result in EIO */
3982
 
  const int fd = open("/proc/self/mem",
3983
 
                      O_RDONLY | O_CLOEXEC | O_NOCTTY);
 
3749
  const int fd = open("/proc/self/mem", O_RDONLY | O_CLOEXEC);
3984
3750
 
3985
3751
  bool quit_now = false;
3986
3752
  __attribute__((cleanup(cleanup_queue)))
4338
4104
      }));
4339
4105
}
4340
4106
 
4341
 
static
4342
 
void test_read_inotify_event_IN_MOVED_FROM(__attribute__((unused))
4343
 
                                           test_fixture *fixture,
4344
 
                                           __attribute__((unused))
4345
 
                                           gconstpointer user_data){
4346
 
  __attribute__((cleanup(cleanup_close)))
4347
 
    const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
4348
 
  g_assert_cmpint(epoll_fd, >=, 0);
4349
 
  __attribute__((cleanup(string_set_clear)))
4350
 
    string_set cancelled_filenames = {};
4351
 
  const mono_microsecs current_time = 0;
4352
 
 
4353
 
  int pipefds[2];
4354
 
  g_assert_cmpint(pipe2(pipefds, O_CLOEXEC | O_NONBLOCK), ==, 0);
4355
 
 
4356
 
  /* "sufficient to read at least one event." - inotify(7) */
4357
 
  const size_t ievent_max_size = (sizeof(struct inotify_event)
4358
 
                                  + NAME_MAX + 1);
4359
 
  g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);
4360
 
  struct {
4361
 
    struct inotify_event event;
4362
 
    char name_buffer[NAME_MAX + 1];
4363
 
  } ievent_buffer;
4364
 
  struct inotify_event *const ievent = &ievent_buffer.event;
4365
 
 
4366
 
  const char dummy_file_name[] = "ask.dummy_file_name";
4367
 
  ievent->mask = IN_MOVED_FROM;
4368
 
  ievent->len = sizeof(dummy_file_name);
4369
 
  memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4370
 
  const size_t ievent_size = (sizeof(struct inotify_event)
4371
 
                              + sizeof(dummy_file_name));
4372
 
  g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4373
 
                  ==, ievent_size);
4374
 
  g_assert_cmpint(close(pipefds[1]), ==, 0);
4375
 
 
4376
 
  bool quit_now = false;
4377
 
  buffer password = {};
4378
 
  bool mandos_client_exited = false;
4379
 
  bool password_is_read = false;
4380
 
  __attribute__((cleanup(cleanup_queue)))
4381
 
    task_queue *queue = create_queue();
4382
 
  g_assert_nonnull(queue);
4383
 
 
4384
 
  task_context task = {
4385
 
    .func=read_inotify_event,
4386
 
    .epoll_fd=epoll_fd,
4387
 
    .fd=pipefds[0],
4388
 
    .quit_now=&quit_now,
4389
 
    .password=&password,
4390
 
    .filename=strdup("/nonexistent"),
4391
 
    .cancelled_filenames=&cancelled_filenames,
4392
 
    .current_time=&current_time,
4393
 
    .mandos_client_exited=&mandos_client_exited,
4394
 
    .password_is_read=&password_is_read,
4395
 
  };
4396
 
  task.func(task, queue);
4397
 
  g_assert_false(quit_now);
4398
 
  g_assert_true(queue->next_run == 0);
4399
 
  g_assert_cmpuint((unsigned int)queue->length, ==, 1);
4400
 
 
4401
 
  g_assert_nonnull(find_matching_task(queue, (task_context){
4402
 
        .func=read_inotify_event,
4403
 
        .epoll_fd=epoll_fd,
4404
 
        .fd=pipefds[0],
4405
 
        .quit_now=&quit_now,
4406
 
        .password=&password,
4407
 
        .filename=task.filename,
4408
 
        .cancelled_filenames=&cancelled_filenames,
4409
 
        .current_time=&current_time,
4410
 
        .mandos_client_exited=&mandos_client_exited,
4411
 
        .password_is_read=&password_is_read,
4412
 
      }));
4413
 
 
4414
 
  g_assert_true(epoll_set_contains(epoll_fd, pipefds[0],
4415
 
                                   EPOLLIN | EPOLLRDHUP));
4416
 
 
4417
 
  __attribute__((cleanup(cleanup_string)))
4418
 
    char *filename = NULL;
4419
 
  g_assert_cmpint(asprintf(&filename, "%s/%s", task.filename,
4420
 
                           dummy_file_name), >, 0);
4421
 
  g_assert_nonnull(filename);
4422
 
  g_assert_true(string_set_contains(*task.cancelled_filenames,
4423
 
                                    filename));
4424
 
}
4425
 
 
4426
4107
static void test_read_inotify_event_IN_DELETE(__attribute__((unused))
4427
4108
                                              test_fixture *fixture,
4428
4109
                                              __attribute__((unused))
4661
4342
                                   EPOLLIN | EPOLLRDHUP));
4662
4343
}
4663
4344
 
4664
 
static void
4665
 
test_read_inotify_event_IN_MOVED_FROM_badname(__attribute__((unused))
4666
 
                                              test_fixture *fixture,
4667
 
                                              __attribute__((unused))
4668
 
                                              gconstpointer
4669
 
                                              user_data){
4670
 
  __attribute__((cleanup(cleanup_close)))
4671
 
    const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
4672
 
  g_assert_cmpint(epoll_fd, >=, 0);
4673
 
  __attribute__((cleanup(string_set_clear)))
4674
 
    string_set cancelled_filenames = {};
4675
 
  const mono_microsecs current_time = 0;
4676
 
 
4677
 
  int pipefds[2];
4678
 
  g_assert_cmpint(pipe2(pipefds, O_CLOEXEC | O_NONBLOCK), ==, 0);
4679
 
 
4680
 
  /* "sufficient to read at least one event." - inotify(7) */
4681
 
  const size_t ievent_max_size = (sizeof(struct inotify_event)
4682
 
                                  + NAME_MAX + 1);
4683
 
  g_assert_cmpint(ievent_max_size, <=, PIPE_BUF);
4684
 
  struct {
4685
 
    struct inotify_event event;
4686
 
    char name_buffer[NAME_MAX + 1];
4687
 
  } ievent_buffer;
4688
 
  struct inotify_event *const ievent = &ievent_buffer.event;
4689
 
 
4690
 
  const char dummy_file_name[] = "ignored.dummy_file_name";
4691
 
  ievent->mask = IN_MOVED_FROM;
4692
 
  ievent->len = sizeof(dummy_file_name);
4693
 
  memcpy(ievent->name, dummy_file_name, sizeof(dummy_file_name));
4694
 
  const size_t ievent_size = (sizeof(struct inotify_event)
4695
 
                              + sizeof(dummy_file_name));
4696
 
  g_assert_cmpint(write(pipefds[1], (char *)ievent, ievent_size),
4697
 
                  ==, ievent_size);
4698
 
  g_assert_cmpint(close(pipefds[1]), ==, 0);
4699
 
 
4700
 
  bool quit_now = false;
4701
 
  buffer password = {};
4702
 
  bool mandos_client_exited = false;
4703
 
  bool password_is_read = false;
4704
 
  __attribute__((cleanup(cleanup_queue)))
4705
 
    task_queue *queue = create_queue();
4706
 
  g_assert_nonnull(queue);
4707
 
 
4708
 
  task_context task = {
4709
 
    .func=read_inotify_event,
4710
 
    .epoll_fd=epoll_fd,
4711
 
    .fd=pipefds[0],
4712
 
    .quit_now=&quit_now,
4713
 
    .password=&password,
4714
 
    .filename=strdup("/nonexistent"),
4715
 
    .cancelled_filenames=&cancelled_filenames,
4716
 
    .current_time=&current_time,
4717
 
    .mandos_client_exited=&mandos_client_exited,
4718
 
    .password_is_read=&password_is_read,
4719
 
  };
4720
 
  task.func(task, queue);
4721
 
  g_assert_false(quit_now);
4722
 
  g_assert_true(queue->next_run == 0);
4723
 
  g_assert_cmpuint((unsigned int)queue->length, ==, 1);
4724
 
 
4725
 
  g_assert_nonnull(find_matching_task(queue, (task_context){
4726
 
        .func=read_inotify_event,
4727
 
        .epoll_fd=epoll_fd,
4728
 
        .fd=pipefds[0],
4729
 
        .quit_now=&quit_now,
4730
 
        .password=&password,
4731
 
        .filename=task.filename,
4732
 
        .cancelled_filenames=&cancelled_filenames,
4733
 
        .current_time=&current_time,
4734
 
        .mandos_client_exited=&mandos_client_exited,
4735
 
        .password_is_read=&password_is_read,
4736
 
      }));
4737
 
 
4738
 
  g_assert_true(epoll_set_contains(epoll_fd, pipefds[0],
4739
 
                                   EPOLLIN | EPOLLRDHUP));
4740
 
 
4741
 
  __attribute__((cleanup(cleanup_string)))
4742
 
    char *filename = NULL;
4743
 
  g_assert_cmpint(asprintf(&filename, "%s/%s", task.filename,
4744
 
                           dummy_file_name), >, 0);
4745
 
  g_assert_nonnull(filename);
4746
 
  g_assert_false(string_set_contains(cancelled_filenames, filename));
4747
 
}
4748
 
 
4749
4345
static
4750
4346
void test_read_inotify_event_IN_DELETE_badname(__attribute__((unused))
4751
4347
                                               test_fixture *fixture,
5671
5267
                                            __attribute__((unused))
5672
5268
                                            gconstpointer user_data){
5673
5269
  __attribute__((cleanup(cleanup_close)))
5674
 
    const int epoll_fd = open("/dev/null",
5675
 
                              O_WRONLY | O_CLOEXEC | O_NOCTTY);
 
5270
    const int epoll_fd = open("/dev/null", O_WRONLY | O_CLOEXEC);
5676
5271
  __attribute__((cleanup(cleanup_string)))
5677
5272
    char *const question_filename = strdup("/nonexistent/question");
5678
5273
  g_assert_nonnull(question_filename);
5958
5553
                                           test_fixture *fixture,
5959
5554
                                           __attribute__((unused))
5960
5555
                                           gconstpointer user_data){
5961
 
#ifndef __amd64__
5962
 
  g_test_skip("Skipping EMSGSIZE test on non-AMD64 platform");
5963
 
#else
5964
5556
  __attribute__((cleanup(cleanup_close)))
5965
5557
    const int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
5966
5558
  g_assert_cmpint(epoll_fd, >=, 0);
6019
5611
  g_assert_cmpuint((unsigned int)queue->length, ==, 0);
6020
5612
  g_assert_true(string_set_contains(cancelled_filenames,
6021
5613
                                    question_filename));
6022
 
#endif
6023
5614
}
6024
5615
 
6025
5616
static void test_send_password_to_socket_retry(__attribute__((unused))
6086
5677
                                            __attribute__((unused))
6087
5678
                                            gconstpointer user_data){
6088
5679
  __attribute__((cleanup(cleanup_close)))
6089
 
    const int epoll_fd = open("/dev/null",
6090
 
                              O_WRONLY | O_CLOEXEC | O_NOCTTY);
 
5680
    const int epoll_fd = open("/dev/null", O_WRONLY | O_CLOEXEC);
6091
5681
  __attribute__((cleanup(cleanup_string)))
6092
5682
    char *const question_filename = strdup("/nonexistent/question");
6093
5683
  g_assert_nonnull(question_filename);
6356
5946
                                              const char *const
6357
5947
                                              dirname){
6358
5948
  __attribute__((cleanup(cleanup_close)))
6359
 
    const int devnull_fd = open("/dev/null",
6360
 
                                O_WRONLY | O_CLOEXEC | O_NOCTTY);
 
5949
    const int devnull_fd = open("/dev/null", O_WRONLY | O_CLOEXEC);
6361
5950
  g_assert_cmpint(devnull_fd, >=, 0);
6362
5951
  __attribute__((cleanup(cleanup_close)))
6363
5952
    const int real_stderr_fd = dup(STDERR_FILENO);
7906
7495
  test_add("/parse_arguments/mixed", test_parse_arguments_mixed);
7907
7496
  test_add("/queue/create", test_create_queue);
7908
7497
  test_add("/queue/add", test_add_to_queue);
7909
 
  test_add("/queue/add/overflow", test_add_to_queue_overflow);
7910
7498
  test_add("/queue/has_question/empty",
7911
7499
           test_queue_has_question_empty);
7912
7500
  test_add("/queue/has_question/false",
7999
7587
              test_add_inotify_dir_watch);
8000
7588
  test_add_st("/task-creators/add_inotify_dir_watch/fail",
8001
7589
              test_add_inotify_dir_watch_fail);
8002
 
  test_add_st("/task-creators/add_inotify_dir_watch/not-a-directory",
8003
 
              test_add_inotify_dir_watch_nondir);
8004
7590
  test_add_st("/task-creators/add_inotify_dir_watch/EAGAIN",
8005
7591
              test_add_inotify_dir_watch_EAGAIN);
8006
7592
  test_add_st("/task-creators/add_inotify_dir_watch/IN_CLOSE_WRITE",
8007
7593
              test_add_inotify_dir_watch_IN_CLOSE_WRITE);
8008
7594
  test_add_st("/task-creators/add_inotify_dir_watch/IN_MOVED_TO",
8009
7595
              test_add_inotify_dir_watch_IN_MOVED_TO);
8010
 
  test_add_st("/task-creators/add_inotify_dir_watch/IN_MOVED_FROM",
8011
 
              test_add_inotify_dir_watch_IN_MOVED_FROM);
8012
 
  test_add_st("/task-creators/add_inotify_dir_watch/IN_EXCL_UNLINK",
8013
 
              test_add_inotify_dir_watch_IN_EXCL_UNLINK);
8014
7596
  test_add_st("/task-creators/add_inotify_dir_watch/IN_DELETE",
8015
7597
              test_add_inotify_dir_watch_IN_DELETE);
8016
7598
  test_add_st("/task/read_inotify_event/readerror",
8025
7607
              test_read_inotify_event_IN_CLOSE_WRITE);
8026
7608
  test_add_st("/task/read_inotify_event/IN_MOVED_TO",
8027
7609
              test_read_inotify_event_IN_MOVED_TO);
8028
 
  test_add_st("/task/read_inotify_event/IN_MOVED_FROM",
8029
 
              test_read_inotify_event_IN_MOVED_FROM);
8030
7610
  test_add_st("/task/read_inotify_event/IN_DELETE",
8031
7611
              test_read_inotify_event_IN_DELETE);
8032
7612
  test_add_st("/task/read_inotify_event/IN_CLOSE_WRITE/badname",
8033
7613
              test_read_inotify_event_IN_CLOSE_WRITE_badname);
8034
7614
  test_add_st("/task/read_inotify_event/IN_MOVED_TO/badname",
8035
7615
              test_read_inotify_event_IN_MOVED_TO_badname);
8036
 
  test_add_st("/task/read_inotify_event/IN_MOVED_FROM/badname",
8037
 
              test_read_inotify_event_IN_MOVED_FROM_badname);
8038
7616
  test_add_st("/task/read_inotify_event/IN_DELETE/badname",
8039
7617
              test_read_inotify_event_IN_DELETE_badname);
8040
7618
  test_add_st("/task/open_and_parse_question/ENOENT",
8137
7715
  g_option_context_set_help_enabled(context, FALSE);
8138
7716
  g_option_context_set_ignore_unknown_options(context, TRUE);
8139
7717
 
8140
 
  gboolean should_run_tests = FALSE;
 
7718
  gboolean run_tests = FALSE;
8141
7719
  GOptionEntry entries[] = {
8142
7720
    { "test", 0, 0, G_OPTION_ARG_NONE,
8143
 
      &should_run_tests, "Run tests", NULL },
 
7721
      &run_tests, "Run tests", NULL },
8144
7722
    { NULL }
8145
7723
  };
8146
7724
  g_option_context_add_main_entries(context, entries, NULL);
8153
7731
  }
8154
7732
 
8155
7733
  g_option_context_free(context);
8156
 
  return should_run_tests != FALSE;
 
7734
  return run_tests != FALSE;
8157
7735
}