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00024 #include "dbus-keyring.h"
00025 #include "dbus-userdb.h"
00026 #include <dbus/dbus-string.h>
00027 #include <dbus/dbus-list.h>
00028 #include <dbus/dbus-sysdeps.h>
00029
00066 #define NEW_KEY_TIMEOUT_SECONDS (60*5)
00067
00072 #define EXPIRE_KEYS_TIMEOUT_SECONDS (NEW_KEY_TIMEOUT_SECONDS + (60*2))
00073
00076 #define MAX_TIME_TRAVEL_SECONDS (60*5)
00077
00082 #ifdef DBUS_BUILD_TESTS
00083 #define MAX_KEYS_IN_FILE 10
00084 #else
00085 #define MAX_KEYS_IN_FILE 256
00086 #endif
00087
00091 typedef struct
00092 {
00093 dbus_int32_t id;
00095 long creation_time;
00100 DBusString secret;
00102 } DBusKey;
00103
00110 struct DBusKeyring
00111 {
00112 int refcount;
00113 DBusString username;
00114 DBusString directory;
00115 DBusString filename;
00116 DBusString filename_lock;
00117 DBusKey *keys;
00118 int n_keys;
00119 };
00120
00121 static DBusKeyring*
00122 _dbus_keyring_new (void)
00123 {
00124 DBusKeyring *keyring;
00125
00126 keyring = dbus_new0 (DBusKeyring, 1);
00127 if (keyring == NULL)
00128 goto out_0;
00129
00130 if (!_dbus_string_init (&keyring->directory))
00131 goto out_1;
00132
00133 if (!_dbus_string_init (&keyring->filename))
00134 goto out_2;
00135
00136 if (!_dbus_string_init (&keyring->filename_lock))
00137 goto out_3;
00138
00139 if (!_dbus_string_init (&keyring->username))
00140 goto out_4;
00141
00142 keyring->refcount = 1;
00143 keyring->keys = NULL;
00144 keyring->n_keys = 0;
00145
00146 return keyring;
00147
00148 out_4:
00149 _dbus_string_free (&keyring->filename_lock);
00150 out_3:
00151 _dbus_string_free (&keyring->filename);
00152 out_2:
00153 _dbus_string_free (&keyring->directory);
00154 out_1:
00155 dbus_free (keyring);
00156 out_0:
00157 return NULL;
00158 }
00159
00160 static void
00161 free_keys (DBusKey *keys,
00162 int n_keys)
00163 {
00164 int i;
00165
00166
00167
00168 i = 0;
00169 while (i < n_keys)
00170 {
00171 _dbus_string_free (&keys[i].secret);
00172 ++i;
00173 }
00174
00175 dbus_free (keys);
00176 }
00177
00178
00179
00180
00181
00182
00183
00184
00185
00186
00187
00188
00189
00190
00191
00192
00193
00195 #define MAX_LOCK_TIMEOUTS 32
00196
00197 #define LOCK_TIMEOUT_MILLISECONDS 250
00198
00199 static dbus_bool_t
00200 _dbus_keyring_lock (DBusKeyring *keyring)
00201 {
00202 int n_timeouts;
00203
00204 n_timeouts = 0;
00205 while (n_timeouts < MAX_LOCK_TIMEOUTS)
00206 {
00207 DBusError error;
00208
00209 dbus_error_init (&error);
00210 if (_dbus_create_file_exclusively (&keyring->filename_lock,
00211 &error))
00212 break;
00213
00214 _dbus_verbose ("Did not get lock file, sleeping %d milliseconds (%s)\n",
00215 LOCK_TIMEOUT_MILLISECONDS, error.message);
00216 dbus_error_free (&error);
00217
00218 _dbus_sleep_milliseconds (LOCK_TIMEOUT_MILLISECONDS);
00219
00220 ++n_timeouts;
00221 }
00222
00223 if (n_timeouts == MAX_LOCK_TIMEOUTS)
00224 {
00225 DBusError error;
00226
00227 _dbus_verbose ("Lock file timed out %d times, assuming stale\n",
00228 n_timeouts);
00229
00230 dbus_error_init (&error);
00231
00232 if (!_dbus_delete_file (&keyring->filename_lock, &error))
00233 {
00234 _dbus_verbose ("Couldn't delete old lock file: %s\n",
00235 error.message);
00236 dbus_error_free (&error);
00237 return FALSE;
00238 }
00239
00240 if (!_dbus_create_file_exclusively (&keyring->filename_lock,
00241 &error))
00242 {
00243 _dbus_verbose ("Couldn't create lock file after deleting stale one: %s\n",
00244 error.message);
00245 dbus_error_free (&error);
00246 return FALSE;
00247 }
00248 }
00249
00250 return TRUE;
00251 }
00252
00253 static void
00254 _dbus_keyring_unlock (DBusKeyring *keyring)
00255 {
00256 DBusError error;
00257 dbus_error_init (&error);
00258 if (!_dbus_delete_file (&keyring->filename_lock, &error))
00259 {
00260 _dbus_warn ("Failed to delete lock file: %s\n",
00261 error.message);
00262 dbus_error_free (&error);
00263 }
00264 }
00265
00266 static DBusKey*
00267 find_key_by_id (DBusKey *keys,
00268 int n_keys,
00269 int id)
00270 {
00271 int i;
00272
00273 i = 0;
00274 while (i < n_keys)
00275 {
00276 if (keys[i].id == id)
00277 return &keys[i];
00278
00279 ++i;
00280 }
00281
00282 return NULL;
00283 }
00284
00285 static dbus_bool_t
00286 add_new_key (DBusKey **keys_p,
00287 int *n_keys_p,
00288 DBusError *error)
00289 {
00290 DBusKey *new;
00291 DBusString bytes;
00292 int id;
00293 unsigned long timestamp;
00294 const unsigned char *s;
00295 dbus_bool_t retval;
00296 DBusKey *keys;
00297 int n_keys;
00298
00299 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00300
00301 if (!_dbus_string_init (&bytes))
00302 {
00303 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00304 return FALSE;
00305 }
00306
00307 keys = *keys_p;
00308 n_keys = *n_keys_p;
00309 retval = FALSE;
00310
00311
00312 retry:
00313
00314 if (!_dbus_generate_random_bytes (&bytes, 4))
00315 {
00316 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00317 goto out;
00318 }
00319
00320 s = (const unsigned char*) _dbus_string_get_const_data (&bytes);
00321
00322 id = s[0] | (s[1] << 8) | (s[2] << 16) | (s[3] << 24);
00323 if (id < 0)
00324 id = - id;
00325 _dbus_assert (id >= 0);
00326
00327 if (find_key_by_id (keys, n_keys, id) != NULL)
00328 {
00329 _dbus_string_set_length (&bytes, 0);
00330 _dbus_verbose ("Key ID %d already existed, trying another one\n",
00331 id);
00332 goto retry;
00333 }
00334
00335 _dbus_verbose ("Creating key with ID %d\n", id);
00336
00337 #define KEY_LENGTH_BYTES 24
00338 _dbus_string_set_length (&bytes, 0);
00339 if (!_dbus_generate_random_bytes (&bytes, KEY_LENGTH_BYTES))
00340 {
00341 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00342 goto out;
00343 }
00344
00345 new = dbus_realloc (keys, sizeof (DBusKey) * (n_keys + 1));
00346 if (new == NULL)
00347 {
00348 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00349 goto out;
00350 }
00351
00352 keys = new;
00353 *keys_p = keys;
00354 n_keys += 1;
00355
00356 if (!_dbus_string_init (&keys[n_keys-1].secret))
00357 {
00358 n_keys -= 1;
00359 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00360 goto out;
00361 }
00362
00363 _dbus_get_current_time (×tamp, NULL);
00364
00365 keys[n_keys-1].id = id;
00366 keys[n_keys-1].creation_time = timestamp;
00367 if (!_dbus_string_move (&bytes, 0,
00368 &keys[n_keys-1].secret,
00369 0))
00370 {
00371 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00372 _dbus_string_free (&keys[n_keys-1].secret);
00373 n_keys -= 1;
00374 goto out;
00375 }
00376
00377 retval = TRUE;
00378
00379 out:
00380 *n_keys_p = n_keys;
00381
00382 _dbus_string_free (&bytes);
00383 return retval;
00384 }
00385
00400 static dbus_bool_t
00401 _dbus_keyring_reload (DBusKeyring *keyring,
00402 dbus_bool_t add_new,
00403 DBusError *error)
00404 {
00405 DBusString contents;
00406 DBusString line;
00407 dbus_bool_t retval;
00408 dbus_bool_t have_lock;
00409 DBusKey *keys;
00410 int n_keys;
00411 int i;
00412 long now;
00413 DBusError tmp_error;
00414
00415 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00416
00417 if (!_dbus_string_init (&contents))
00418 {
00419 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00420 return FALSE;
00421 }
00422
00423 if (!_dbus_string_init (&line))
00424 {
00425 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00426 _dbus_string_free (&contents);
00427 return FALSE;
00428 }
00429
00430 keys = NULL;
00431 n_keys = 0;
00432 retval = FALSE;
00433 have_lock = FALSE;
00434
00435 _dbus_get_current_time (&now, NULL);
00436
00437 if (add_new)
00438 {
00439 if (!_dbus_keyring_lock (keyring))
00440 {
00441 dbus_set_error (error, DBUS_ERROR_FAILED,
00442 "Could not lock keyring file to add to it");
00443 goto out;
00444 }
00445
00446 have_lock = TRUE;
00447 }
00448
00449 dbus_error_init (&tmp_error);
00450 if (!_dbus_file_get_contents (&contents,
00451 &keyring->filename,
00452 &tmp_error))
00453 {
00454 _dbus_verbose ("Failed to load keyring file: %s\n",
00455 tmp_error.message);
00456
00457 dbus_error_free (&tmp_error);
00458 }
00459
00460 if (!_dbus_string_validate_ascii (&contents, 0,
00461 _dbus_string_get_length (&contents)))
00462 {
00463 _dbus_warn ("Secret keyring file contains non-ASCII! Ignoring existing contents\n");
00464 _dbus_string_set_length (&contents, 0);
00465 }
00466
00467
00468
00469
00470 while (_dbus_string_pop_line (&contents, &line))
00471 {
00472 int next;
00473 long val;
00474 int id;
00475 long timestamp;
00476 int len;
00477 DBusKey *new;
00478
00479
00480 if (n_keys >= (add_new ? MAX_KEYS_IN_FILE : MAX_KEYS_IN_FILE - 1))
00481 break;
00482
00483 next = 0;
00484 if (!_dbus_string_parse_int (&line, 0, &val, &next))
00485 {
00486 _dbus_verbose ("could not parse secret key ID at start of line\n");
00487 continue;
00488 }
00489
00490 if (val > _DBUS_INT_MAX || val < 0)
00491 {
00492 _dbus_verbose ("invalid secret key ID at start of line\n");
00493 continue;
00494 }
00495
00496 id = val;
00497
00498 _dbus_string_skip_blank (&line, next, &next);
00499
00500 if (!_dbus_string_parse_int (&line, next, ×tamp, &next))
00501 {
00502 _dbus_verbose ("could not parse secret key timestamp\n");
00503 continue;
00504 }
00505
00506 if (timestamp < 0 ||
00507 (now + MAX_TIME_TRAVEL_SECONDS) < timestamp ||
00508 (now - EXPIRE_KEYS_TIMEOUT_SECONDS) > timestamp)
00509 {
00510 _dbus_verbose ("dropping/ignoring %ld-seconds old key with timestamp %ld as current time is %ld\n",
00511 now - timestamp, timestamp, now);
00512 continue;
00513 }
00514
00515 _dbus_string_skip_blank (&line, next, &next);
00516
00517 len = _dbus_string_get_length (&line);
00518
00519 if ((len - next) == 0)
00520 {
00521 _dbus_verbose ("no secret key after ID and timestamp\n");
00522 continue;
00523 }
00524
00525
00526 new = dbus_realloc (keys, sizeof (DBusKey) * (n_keys + 1));
00527 if (new == NULL)
00528 {
00529 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00530 goto out;
00531 }
00532
00533 keys = new;
00534 n_keys += 1;
00535
00536 if (!_dbus_string_init (&keys[n_keys-1].secret))
00537 {
00538 n_keys -= 1;
00539 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00540 goto out;
00541 }
00542
00543 keys[n_keys-1].id = id;
00544 keys[n_keys-1].creation_time = timestamp;
00545 if (!_dbus_string_hex_decode (&line, next,
00546 &keys[n_keys-1].secret,
00547 0))
00548 {
00549 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00550 goto out;
00551 }
00552 }
00553
00554 _dbus_verbose ("Successfully loaded %d existing keys\n",
00555 n_keys);
00556
00557 if (add_new)
00558 {
00559 if (!add_new_key (&keys, &n_keys, error))
00560 {
00561 _dbus_verbose ("Failed to generate new key: %s\n",
00562 error ? "(unknown)" : error->message);
00563 goto out;
00564 }
00565
00566 _dbus_string_set_length (&contents, 0);
00567
00568 i = 0;
00569 while (i < n_keys)
00570 {
00571 if (!_dbus_string_append_int (&contents,
00572 keys[i].id))
00573 goto nomem;
00574
00575 if (!_dbus_string_append_byte (&contents, ' '))
00576 goto nomem;
00577
00578 if (!_dbus_string_append_int (&contents,
00579 keys[i].creation_time))
00580 goto nomem;
00581
00582 if (!_dbus_string_append_byte (&contents, ' '))
00583 goto nomem;
00584
00585 if (!_dbus_string_hex_encode (&keys[i].secret, 0,
00586 &contents,
00587 _dbus_string_get_length (&contents)))
00588 goto nomem;
00589
00590 if (!_dbus_string_append_byte (&contents, '\n'))
00591 goto nomem;
00592
00593 ++i;
00594 continue;
00595
00596 nomem:
00597 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00598 goto out;
00599 }
00600
00601 if (!_dbus_string_save_to_file (&contents, &keyring->filename,
00602 error))
00603 goto out;
00604 }
00605
00606 if (keyring->keys)
00607 free_keys (keyring->keys, keyring->n_keys);
00608 keyring->keys = keys;
00609 keyring->n_keys = n_keys;
00610 keys = NULL;
00611 n_keys = 0;
00612
00613 retval = TRUE;
00614
00615 out:
00616 if (have_lock)
00617 _dbus_keyring_unlock (keyring);
00618
00619 if (! ((retval == TRUE && (error == NULL || error->name == NULL)) ||
00620 (retval == FALSE && (error == NULL || error->name != NULL))))
00621 {
00622 if (error && error->name)
00623 _dbus_verbose ("error is %s: %s\n", error->name, error->message);
00624 _dbus_warn ("returning %d but error pointer %p name %s\n",
00625 retval, error, error->name ? error->name : "(none)");
00626 _dbus_assert_not_reached ("didn't handle errors properly");
00627 }
00628
00629 if (keys != NULL)
00630 {
00631 i = 0;
00632 while (i < n_keys)
00633 {
00634 _dbus_string_zero (&keys[i].secret);
00635 _dbus_string_free (&keys[i].secret);
00636 ++i;
00637 }
00638
00639 dbus_free (keys);
00640 }
00641
00642 _dbus_string_free (&contents);
00643 _dbus_string_free (&line);
00644
00645 return retval;
00646 }
00647
00649
00662 DBusKeyring *
00663 _dbus_keyring_ref (DBusKeyring *keyring)
00664 {
00665 keyring->refcount += 1;
00666
00667 return keyring;
00668 }
00669
00676 void
00677 _dbus_keyring_unref (DBusKeyring *keyring)
00678 {
00679 keyring->refcount -= 1;
00680
00681 if (keyring->refcount == 0)
00682 {
00683 _dbus_string_free (&keyring->username);
00684 _dbus_string_free (&keyring->filename);
00685 _dbus_string_free (&keyring->filename_lock);
00686 _dbus_string_free (&keyring->directory);
00687 free_keys (keyring->keys, keyring->n_keys);
00688 dbus_free (keyring);
00689 }
00690 }
00691
00702 DBusKeyring*
00703 _dbus_keyring_new_homedir (const DBusString *username,
00704 const DBusString *context,
00705 DBusError *error)
00706 {
00707 DBusString homedir;
00708 DBusKeyring *keyring;
00709 dbus_bool_t error_set;
00710 DBusString dotdir;
00711 DBusError tmp_error;
00712
00713 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00714
00715 keyring = NULL;
00716 error_set = FALSE;
00717
00718 if (!_dbus_string_init (&homedir))
00719 {
00720 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00721 return FALSE;
00722 }
00723
00724 _dbus_string_init_const (&dotdir, ".dbus-keyrings");
00725
00726 if (username == NULL)
00727 {
00728 const DBusString *const_homedir;
00729
00730 if (!_dbus_username_from_current_process (&username) ||
00731 !_dbus_homedir_from_current_process (&const_homedir))
00732 goto failed;
00733
00734 if (!_dbus_string_copy (const_homedir, 0,
00735 &homedir, 0))
00736 goto failed;
00737 }
00738 else
00739 {
00740 if (!_dbus_homedir_from_username (username, &homedir))
00741 goto failed;
00742 }
00743
00744 #ifdef DBUS_BUILD_TESTS
00745 {
00746 const char *override;
00747
00748 override = _dbus_getenv ("DBUS_TEST_HOMEDIR");
00749 if (override != NULL && *override != '\0')
00750 {
00751 _dbus_string_set_length (&homedir, 0);
00752 if (!_dbus_string_append (&homedir, override))
00753 _dbus_assert_not_reached ("no memory");
00754
00755 _dbus_verbose ("Using fake homedir for testing: %s\n",
00756 _dbus_string_get_const_data (&homedir));
00757 }
00758 else
00759 {
00760 static dbus_bool_t already_warned = FALSE;
00761 if (!already_warned)
00762 {
00763 _dbus_warn ("Using your real home directory for testing, set DBUS_TEST_HOMEDIR to avoid\n");
00764 already_warned = TRUE;
00765 }
00766 }
00767 }
00768 #endif
00769
00770 _dbus_assert (username != NULL);
00771
00772 keyring = _dbus_keyring_new ();
00773 if (keyring == NULL)
00774 goto failed;
00775
00776
00777 if (!_dbus_keyring_validate_context (context))
00778 {
00779 error_set = TRUE;
00780 dbus_set_error_const (error,
00781 DBUS_ERROR_FAILED,
00782 "Invalid context in keyring creation");
00783 goto failed;
00784 }
00785
00786 if (!_dbus_string_copy (username, 0,
00787 &keyring->username, 0))
00788 goto failed;
00789
00790 if (!_dbus_string_copy (&homedir, 0,
00791 &keyring->directory, 0))
00792 goto failed;
00793
00794 if (!_dbus_concat_dir_and_file (&keyring->directory,
00795 &dotdir))
00796 goto failed;
00797
00798 if (!_dbus_string_copy (&keyring->directory, 0,
00799 &keyring->filename, 0))
00800 goto failed;
00801
00802 if (!_dbus_concat_dir_and_file (&keyring->filename,
00803 context))
00804 goto failed;
00805
00806 if (!_dbus_string_copy (&keyring->filename, 0,
00807 &keyring->filename_lock, 0))
00808 goto failed;
00809
00810 if (!_dbus_string_append (&keyring->filename_lock, ".lock"))
00811 goto failed;
00812
00813 dbus_error_init (&tmp_error);
00814 if (!_dbus_keyring_reload (keyring, FALSE, &tmp_error))
00815 {
00816 _dbus_verbose ("didn't load an existing keyring: %s\n",
00817 tmp_error.message);
00818 dbus_error_free (&tmp_error);
00819 }
00820
00821
00822
00823
00824
00825 dbus_error_init (&tmp_error);
00826 if (!_dbus_create_directory (&keyring->directory,
00827 &tmp_error))
00828 {
00829 _dbus_verbose ("Creating keyring directory: %s\n",
00830 tmp_error.message);
00831 dbus_error_free (&tmp_error);
00832 }
00833
00834 _dbus_string_free (&homedir);
00835
00836 return keyring;
00837
00838 failed:
00839 if (!error_set)
00840 dbus_set_error_const (error,
00841 DBUS_ERROR_NO_MEMORY,
00842 NULL);
00843 if (keyring)
00844 _dbus_keyring_unref (keyring);
00845 _dbus_string_free (&homedir);
00846 return FALSE;
00847
00848 }
00849
00862 dbus_bool_t
00863 _dbus_keyring_validate_context (const DBusString *context)
00864 {
00865 if (_dbus_string_get_length (context) == 0)
00866 {
00867 _dbus_verbose ("context is zero-length\n");
00868 return FALSE;
00869 }
00870
00871 if (!_dbus_string_validate_ascii (context, 0,
00872 _dbus_string_get_length (context)))
00873 {
00874 _dbus_verbose ("context not valid ascii\n");
00875 return FALSE;
00876 }
00877
00878
00879 if (_dbus_string_find (context, 0, "/", NULL))
00880 {
00881 _dbus_verbose ("context contains a slash\n");
00882 return FALSE;
00883 }
00884
00885 if (_dbus_string_find (context, 0, "\\", NULL))
00886 {
00887 _dbus_verbose ("context contains a backslash\n");
00888 return FALSE;
00889 }
00890
00891
00892
00893
00894 if (_dbus_string_find (context, 0, ".", NULL))
00895 {
00896 _dbus_verbose ("context contains a dot\n");
00897 return FALSE;
00898 }
00899
00900
00901 if (_dbus_string_find_blank (context, 0, NULL))
00902 {
00903 _dbus_verbose ("context contains a blank\n");
00904 return FALSE;
00905 }
00906
00907 if (_dbus_string_find (context, 0, "\n", NULL))
00908 {
00909 _dbus_verbose ("context contains a newline\n");
00910 return FALSE;
00911 }
00912
00913 if (_dbus_string_find (context, 0, "\r", NULL))
00914 {
00915 _dbus_verbose ("context contains a carriage return\n");
00916 return FALSE;
00917 }
00918
00919 return TRUE;
00920 }
00921
00922 static DBusKey*
00923 find_recent_key (DBusKeyring *keyring)
00924 {
00925 int i;
00926 long tv_sec, tv_usec;
00927
00928 _dbus_get_current_time (&tv_sec, &tv_usec);
00929
00930 i = 0;
00931 while (i < keyring->n_keys)
00932 {
00933 DBusKey *key = &keyring->keys[i];
00934
00935 _dbus_verbose ("Key %d is %ld seconds old\n",
00936 i, tv_sec - key->creation_time);
00937
00938 if ((tv_sec - NEW_KEY_TIMEOUT_SECONDS) < key->creation_time)
00939 return key;
00940
00941 ++i;
00942 }
00943
00944 return NULL;
00945 }
00946
00958 int
00959 _dbus_keyring_get_best_key (DBusKeyring *keyring,
00960 DBusError *error)
00961 {
00962 DBusKey *key;
00963
00964 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00965
00966 key = find_recent_key (keyring);
00967 if (key)
00968 return key->id;
00969
00970
00971
00972
00973 if (!_dbus_keyring_reload (keyring, TRUE,
00974 error))
00975 return -1;
00976
00977 key = find_recent_key (keyring);
00978 if (key)
00979 return key->id;
00980 else
00981 {
00982 dbus_set_error_const (error,
00983 DBUS_ERROR_FAILED,
00984 "No recent-enough key found in keyring, and unable to create a new key");
00985 return -1;
00986 }
00987 }
00988
00997 dbus_bool_t
00998 _dbus_keyring_is_for_user (DBusKeyring *keyring,
00999 const DBusString *username)
01000 {
01001 return _dbus_string_equal (&keyring->username,
01002 username);
01003 }
01004
01016 dbus_bool_t
01017 _dbus_keyring_get_hex_key (DBusKeyring *keyring,
01018 int key_id,
01019 DBusString *hex_key)
01020 {
01021 DBusKey *key;
01022
01023 key = find_key_by_id (keyring->keys,
01024 keyring->n_keys,
01025 key_id);
01026 if (key == NULL)
01027 return TRUE;
01028
01029 return _dbus_string_hex_encode (&key->secret, 0,
01030 hex_key,
01031 _dbus_string_get_length (hex_key));
01032 }
01033
01035
01036 #ifdef DBUS_BUILD_TESTS
01037 #include "dbus-test.h"
01038 #include <stdio.h>
01039
01040 dbus_bool_t
01041 _dbus_keyring_test (void)
01042 {
01043 DBusString context;
01044 DBusKeyring *ring1;
01045 DBusKeyring *ring2;
01046 int id;
01047 DBusError error;
01048 int i;
01049
01050 ring1 = NULL;
01051 ring2 = NULL;
01052
01053
01054
01055 _dbus_string_init_const (&context, "foo");
01056 _dbus_assert (_dbus_keyring_validate_context (&context));
01057 _dbus_string_init_const (&context, "org_freedesktop_blah");
01058 _dbus_assert (_dbus_keyring_validate_context (&context));
01059
01060 _dbus_string_init_const (&context, "");
01061 _dbus_assert (!_dbus_keyring_validate_context (&context));
01062 _dbus_string_init_const (&context, ".foo");
01063 _dbus_assert (!_dbus_keyring_validate_context (&context));
01064 _dbus_string_init_const (&context, "bar.foo");
01065 _dbus_assert (!_dbus_keyring_validate_context (&context));
01066 _dbus_string_init_const (&context, "bar/foo");
01067 _dbus_assert (!_dbus_keyring_validate_context (&context));
01068 _dbus_string_init_const (&context, "bar\\foo");
01069 _dbus_assert (!_dbus_keyring_validate_context (&context));
01070 _dbus_string_init_const (&context, "foo\xfa\xf0");
01071 _dbus_assert (!_dbus_keyring_validate_context (&context));
01072 _dbus_string_init_const (&context, "foo\x80");
01073 _dbus_assert (!_dbus_keyring_validate_context (&context));
01074 _dbus_string_init_const (&context, "foo\x7f");
01075 _dbus_assert (_dbus_keyring_validate_context (&context));
01076 _dbus_string_init_const (&context, "foo bar");
01077 _dbus_assert (!_dbus_keyring_validate_context (&context));
01078
01079 if (!_dbus_string_init (&context))
01080 _dbus_assert_not_reached ("no memory");
01081 if (!_dbus_string_append_byte (&context, '\0'))
01082 _dbus_assert_not_reached ("no memory");
01083 _dbus_assert (!_dbus_keyring_validate_context (&context));
01084 _dbus_string_free (&context);
01085
01086
01087
01088
01089
01090 _dbus_string_init_const (&context, "org_freedesktop_dbus_testsuite");
01091 dbus_error_init (&error);
01092 ring1 = _dbus_keyring_new_homedir (NULL, &context,
01093 &error);
01094 _dbus_assert (ring1);
01095 _dbus_assert (error.name == NULL);
01096
01097 id = _dbus_keyring_get_best_key (ring1, &error);
01098 if (id < 0)
01099 {
01100 fprintf (stderr, "Could not load keyring: %s\n", error.message);
01101 dbus_error_free (&error);
01102 goto failure;
01103 }
01104
01105 ring2 = _dbus_keyring_new_homedir (NULL, &context, &error);
01106 _dbus_assert (ring2);
01107 _dbus_assert (error.name == NULL);
01108
01109 if (ring1->n_keys != ring2->n_keys)
01110 {
01111 fprintf (stderr, "Different number of keys in keyrings\n");
01112 goto failure;
01113 }
01114
01115
01116
01117
01118 i = 0;
01119 while (i < ring1->n_keys)
01120 {
01121 if (ring1->keys[i].id != ring2->keys[i].id)
01122 {
01123 fprintf (stderr, "Keyring 1 has first key ID %d and keyring 2 has %d\n",
01124 ring1->keys[i].id, ring2->keys[i].id);
01125 goto failure;
01126 }
01127
01128 if (ring1->keys[i].creation_time != ring2->keys[i].creation_time)
01129 {
01130 fprintf (stderr, "Keyring 1 has first key time %ld and keyring 2 has %ld\n",
01131 ring1->keys[i].creation_time, ring2->keys[i].creation_time);
01132 goto failure;
01133 }
01134
01135 if (!_dbus_string_equal (&ring1->keys[i].secret,
01136 &ring2->keys[i].secret))
01137 {
01138 fprintf (stderr, "Keyrings 1 and 2 have different secrets for same ID/timestamp\n");
01139 goto failure;
01140 }
01141
01142 ++i;
01143 }
01144
01145 printf (" %d keys in test\n", ring1->n_keys);
01146
01147
01148 _dbus_keyring_ref (ring1);
01149 _dbus_keyring_ref (ring2);
01150 _dbus_keyring_unref (ring1);
01151 _dbus_keyring_unref (ring2);
01152
01153
01154
01155 _dbus_keyring_unref (ring1);
01156 _dbus_keyring_unref (ring2);
01157
01158 return TRUE;
01159
01160 failure:
01161 if (ring1)
01162 _dbus_keyring_unref (ring1);
01163 if (ring2)
01164 _dbus_keyring_unref (ring2);
01165
01166 return FALSE;
01167 }
01168
01169 #endif
01170