1 /* -*- mode: C; c-file-style: "gnu" -*- */
2 /* dbus-auth-script.c Test DBusAuth using a special script file (internal to D-Bus implementation)
4 * Copyright (C) 2003 Red Hat, Inc.
6 * Licensed under the Academic Free License version 2.1
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #ifdef DBUS_BUILD_TESTS
27 #include "dbus-auth-script.h"
28 #include "dbus-auth.h"
29 #include "dbus-string.h"
30 #include "dbus-hash.h"
31 #include "dbus-credentials.h"
32 #include "dbus-internals.h"
35 * @defgroup DBusAuthScript code for running unit test scripts for DBusAuth
36 * @ingroup DBusInternals
37 * @brief DBusAuth unit test scripting
39 * The code in here is used for unit testing, it loads
40 * up a script that tests DBusAuth.
45 /* this is slightly different from the other append_quoted_string
46 * in dbus-message-builder.c
49 append_quoted_string (DBusString *dest,
50 const DBusString *quoted)
52 dbus_bool_t in_quotes = FALSE;
53 dbus_bool_t in_backslash = FALSE;
57 while (i < _dbus_string_get_length (quoted))
61 b = _dbus_string_get_byte (quoted, i);
75 _dbus_warn ("bad backslashed byte %c\n", b);
79 if (!_dbus_string_append_byte (dest, a))
94 if (!_dbus_string_append_byte (dest, b))
102 else if (b == ' ' || b == '\n' || b == '\t')
103 break; /* end on whitespace if not quoted */
106 if (!_dbus_string_append_byte (dest, b))
118 same_first_word (const DBusString *a,
121 int first_a_blank, first_b_blank;
123 _dbus_string_find_blank (a, 0, &first_a_blank);
124 _dbus_string_find_blank (b, 0, &first_b_blank);
126 if (first_a_blank != first_b_blank)
129 return _dbus_string_equal_len (a, b, first_a_blank);
133 auth_state_from_string (const DBusString *str)
135 if (_dbus_string_starts_with_c_str (str, "WAITING_FOR_INPUT"))
136 return DBUS_AUTH_STATE_WAITING_FOR_INPUT;
137 else if (_dbus_string_starts_with_c_str (str, "WAITING_FOR_MEMORY"))
138 return DBUS_AUTH_STATE_WAITING_FOR_MEMORY;
139 else if (_dbus_string_starts_with_c_str (str, "HAVE_BYTES_TO_SEND"))
140 return DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND;
141 else if (_dbus_string_starts_with_c_str (str, "NEED_DISCONNECT"))
142 return DBUS_AUTH_STATE_NEED_DISCONNECT;
143 else if (_dbus_string_starts_with_c_str (str, "AUTHENTICATED"))
144 return DBUS_AUTH_STATE_AUTHENTICATED;
150 auth_state_to_string (DBusAuthState state)
154 case DBUS_AUTH_STATE_WAITING_FOR_INPUT:
155 return "WAITING_FOR_INPUT";
156 case DBUS_AUTH_STATE_WAITING_FOR_MEMORY:
157 return "WAITING_FOR_MEMORY";
158 case DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND:
159 return "HAVE_BYTES_TO_SEND";
160 case DBUS_AUTH_STATE_NEED_DISCONNECT:
161 return "NEED_DISCONNECT";
162 case DBUS_AUTH_STATE_AUTHENTICATED:
163 return "AUTHENTICATED";
170 split_string (DBusString *str)
172 int i, j, k, count, end;
175 end = _dbus_string_get_length (str);
178 _dbus_string_skip_blank (str, i, &i);
179 for (count = 0; i < end; count++)
181 _dbus_string_find_blank (str, i, &i);
182 _dbus_string_skip_blank (str, i, &i);
185 array = dbus_new0 (char *, count + 1);
190 _dbus_string_skip_blank (str, i, &i);
191 for (k = 0; k < count; k++)
193 _dbus_string_find_blank (str, i, &j);
195 array[k] = dbus_malloc (j - i + 1);
196 if (array[k] == NULL)
198 dbus_free_string_array (array);
202 _dbus_string_get_const_data_len (str, i, j - i), j - i);
203 array[k][j - i] = '\0';
205 _dbus_string_skip_blank (str, j, &i);
213 auth_set_unix_credentials(DBusAuth *auth,
217 DBusCredentials *credentials;
219 credentials = _dbus_credentials_new ();
220 if (credentials == NULL)
222 _dbus_warn ("no memory\n");
225 if (uid != DBUS_UID_UNSET)
226 _dbus_credentials_add_unix_uid (credentials, uid);
227 if (pid != DBUS_PID_UNSET)
228 _dbus_credentials_add_unix_pid (credentials, pid);
230 _dbus_auth_set_credentials (auth, credentials);
232 _dbus_credentials_unref (credentials);
236 * Runs an "auth script" which is a script for testing the
237 * authentication protocol. Scripts send and receive data, and then
238 * include assertions about the state of both ends of the connection
239 * after processing the data. A script succeeds if these assertions
242 * @param filename the file containing the script to run
243 * @returns #TRUE if the script succeeds, #FALSE otherwise
246 _dbus_auth_script_run (const DBusString *filename)
254 DBusString from_auth;
262 _dbus_string_init_const (&guid, "5fa01f4202cd837709a3274ca0df9d00");
263 _dbus_string_init_const (&context, "org_freedesktop_test");
265 if (!_dbus_string_init (&file))
268 if (!_dbus_string_init (&line))
270 _dbus_string_free (&file);
274 if (!_dbus_string_init (&from_auth))
276 _dbus_string_free (&file);
277 _dbus_string_free (&line);
281 dbus_error_init (&error);
282 if (!_dbus_file_get_contents (&file, filename, &error)) {
283 _dbus_warn ("Getting contents of %s failed: %s\n",
284 _dbus_string_get_const_data (filename), error.message);
285 dbus_error_free (&error);
289 state = DBUS_AUTH_STATE_NEED_DISCONNECT;
292 while (_dbus_string_pop_line (&file, &line))
296 _dbus_string_delete_leading_blanks (&line);
300 while ((state = _dbus_auth_do_work (auth)) ==
301 DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND)
303 const DBusString *tmp;
304 if (_dbus_auth_get_bytes_to_send (auth, &tmp))
306 int count = _dbus_string_get_length (tmp);
308 if (_dbus_string_copy (tmp, 0, &from_auth,
309 _dbus_string_get_length (&from_auth)))
310 _dbus_auth_bytes_sent (auth, count);
315 if (_dbus_string_get_length (&line) == 0)
320 else if (_dbus_string_starts_with_c_str (&line,
323 /* Ignore this comment */
326 else if (_dbus_string_starts_with_c_str (&line,
329 DBusCredentials *creds;
333 _dbus_warn ("already created a DBusAuth (CLIENT or SERVER given twice)\n");
337 auth = _dbus_auth_client_new ();
340 _dbus_warn ("no memory to create DBusAuth\n");
345 _dbus_auth_ref (auth);
346 _dbus_auth_unref (auth);
348 creds = _dbus_credentials_new_from_current_process ();
351 _dbus_warn ("no memory for credentials\n");
352 _dbus_auth_unref (auth);
357 if (!_dbus_auth_set_credentials (auth, creds))
359 _dbus_warn ("no memory for setting credentials\n");
360 _dbus_auth_unref (auth);
362 _dbus_credentials_unref (creds);
366 _dbus_credentials_unref (creds);
368 else if (_dbus_string_starts_with_c_str (&line,
371 DBusCredentials *creds;
375 _dbus_warn ("already created a DBusAuth (CLIENT or SERVER given twice)\n");
379 auth = _dbus_auth_server_new (&guid);
382 _dbus_warn ("no memory to create DBusAuth\n");
387 _dbus_auth_ref (auth);
388 _dbus_auth_unref (auth);
390 creds = _dbus_credentials_new_from_current_process ();
393 _dbus_warn ("no memory for credentials\n");
394 _dbus_auth_unref (auth);
399 if (!_dbus_auth_set_credentials (auth, creds))
401 _dbus_warn ("no memory for setting credentials\n");
402 _dbus_auth_unref (auth);
404 _dbus_credentials_unref (creds);
408 _dbus_credentials_unref (creds);
410 _dbus_auth_set_context (auth, &context);
412 else if (auth == NULL)
414 _dbus_warn ("must specify CLIENT or SERVER\n");
418 else if (_dbus_string_starts_with_c_str (&line,
421 auth_set_unix_credentials (auth, DBUS_UID_UNSET, DBUS_PID_UNSET);
423 else if (_dbus_string_starts_with_c_str (&line,
426 auth_set_unix_credentials (auth, 0, DBUS_PID_UNSET);
428 else if (_dbus_string_starts_with_c_str (&line,
429 "SILLY_CREDENTIALS"))
431 auth_set_unix_credentials (auth, 4312, DBUS_PID_UNSET);
433 else if (_dbus_string_starts_with_c_str (&line,
438 _dbus_string_delete_first_word (&line);
439 mechs = split_string (&line);
440 _dbus_auth_set_mechanisms (auth, (const char **) mechs);
441 dbus_free_string_array (mechs);
443 else if (_dbus_string_starts_with_c_str (&line,
448 _dbus_string_delete_first_word (&line);
450 if (!_dbus_string_init (&to_send))
452 _dbus_warn ("no memory to allocate string\n");
456 if (!append_quoted_string (&to_send, &line))
458 _dbus_warn ("failed to append quoted string line %d\n",
460 _dbus_string_free (&to_send);
464 _dbus_verbose ("Sending '%s'\n", _dbus_string_get_const_data (&to_send));
466 if (!_dbus_string_append (&to_send, "\r\n"))
468 _dbus_warn ("failed to append \r\n from line %d\n",
470 _dbus_string_free (&to_send);
474 /* Replace USERID_HEX with our username in hex */
478 if (_dbus_string_find (&to_send, 0,
479 "USERID_HEX", &where))
483 if (!_dbus_string_init (&username))
485 _dbus_warn ("no memory for userid\n");
486 _dbus_string_free (&to_send);
490 if (!_dbus_append_desired_identity (&username))
492 _dbus_warn ("no memory for userid\n");
493 _dbus_string_free (&username);
494 _dbus_string_free (&to_send);
498 _dbus_string_delete (&to_send, where, strlen ("USERID_HEX"));
500 if (!_dbus_string_hex_encode (&username, 0,
503 _dbus_warn ("no memory to subst USERID_HEX\n");
504 _dbus_string_free (&username);
505 _dbus_string_free (&to_send);
509 _dbus_string_free (&username);
511 else if (_dbus_string_find (&to_send, 0,
512 "USERNAME_HEX", &where))
517 if (!_dbus_string_init (&username))
519 _dbus_warn ("no memory for username\n");
520 _dbus_string_free (&to_send);
524 if (!_dbus_username_from_current_process (&u) ||
525 !_dbus_string_copy (u, 0, &username,
526 _dbus_string_get_length (&username)))
528 _dbus_warn ("no memory for username\n");
529 _dbus_string_free (&username);
530 _dbus_string_free (&to_send);
534 _dbus_string_delete (&to_send, where, strlen ("USERNAME_HEX"));
536 if (!_dbus_string_hex_encode (&username, 0,
539 _dbus_warn ("no memory to subst USERNAME_HEX\n");
540 _dbus_string_free (&username);
541 _dbus_string_free (&to_send);
545 _dbus_string_free (&username);
552 _dbus_auth_get_buffer (auth, &buffer);
553 if (!_dbus_string_copy (&to_send, 0,
554 buffer, _dbus_string_get_length (buffer)))
556 _dbus_warn ("not enough memory to call bytes_received, or can't add bytes to auth object already in end state\n");
557 _dbus_string_free (&to_send);
558 _dbus_auth_return_buffer (auth, buffer, 0);
562 _dbus_auth_return_buffer (auth, buffer, _dbus_string_get_length (&to_send));
565 _dbus_string_free (&to_send);
567 else if (_dbus_string_starts_with_c_str (&line,
570 DBusAuthState expected;
572 _dbus_string_delete_first_word (&line);
574 expected = auth_state_from_string (&line);
577 _dbus_warn ("bad auth state given to EXPECT_STATE\n");
581 if (expected != state)
583 _dbus_warn ("expected auth state %s but got %s on line %d\n",
584 auth_state_to_string (expected),
585 auth_state_to_string (state),
590 else if (_dbus_string_starts_with_c_str (&line,
595 _dbus_string_delete_first_word (&line);
597 if (!_dbus_string_init (&received))
599 _dbus_warn ("no mem to allocate string received\n");
603 if (!_dbus_string_pop_line (&from_auth, &received))
605 _dbus_warn ("no line popped from the DBusAuth being tested, expected command %s on line %d\n",
606 _dbus_string_get_const_data (&line), line_no);
607 _dbus_string_free (&received);
611 if (!same_first_word (&received, &line))
613 _dbus_warn ("line %d expected command '%s' and got '%s'\n",
615 _dbus_string_get_const_data (&line),
616 _dbus_string_get_const_data (&received));
617 _dbus_string_free (&received);
621 _dbus_string_free (&received);
623 else if (_dbus_string_starts_with_c_str (&line,
627 const DBusString *unused;
629 _dbus_string_delete_first_word (&line);
631 if (!_dbus_string_init (&expected))
633 _dbus_warn ("no mem to allocate string expected\n");
637 if (!append_quoted_string (&expected, &line))
639 _dbus_warn ("failed to append quoted string line %d\n",
641 _dbus_string_free (&expected);
645 _dbus_auth_get_unused_bytes (auth, &unused);
647 if (_dbus_string_equal (&expected, unused))
649 _dbus_auth_delete_unused_bytes (auth);
650 _dbus_string_free (&expected);
654 _dbus_warn ("Expected unused bytes '%s' and have '%s'\n",
655 _dbus_string_get_const_data (&expected),
656 _dbus_string_get_const_data (unused));
657 _dbus_string_free (&expected);
661 else if (_dbus_string_starts_with_c_str (&line,
666 _dbus_string_delete_first_word (&line);
668 if (!_dbus_string_init (&expected))
670 _dbus_warn ("no mem to allocate string expected\n");
674 if (!append_quoted_string (&expected, &line))
676 _dbus_warn ("failed to append quoted string line %d\n",
678 _dbus_string_free (&expected);
682 if (_dbus_string_equal_len (&expected, &from_auth,
683 _dbus_string_get_length (&expected)))
685 _dbus_string_delete (&from_auth, 0,
686 _dbus_string_get_length (&expected));
687 _dbus_string_free (&expected);
691 _dbus_warn ("Expected exact string '%s' and have '%s'\n",
692 _dbus_string_get_const_data (&expected),
693 _dbus_string_get_const_data (&from_auth));
694 _dbus_string_free (&expected);
701 goto next_iteration; /* skip parse_failed */
705 _dbus_warn ("couldn't process line %d \"%s\"\n",
706 line_no, _dbus_string_get_const_data (&line));
712 state == DBUS_AUTH_STATE_AUTHENTICATED)
714 const DBusString *unused;
716 _dbus_auth_get_unused_bytes (auth, &unused);
718 if (_dbus_string_get_length (unused) > 0)
720 _dbus_warn ("did not expect unused bytes (scripts must specify explicitly if they are expected)\n");
725 if (_dbus_string_get_length (&from_auth) > 0)
727 _dbus_warn ("script did not have EXPECT_ statements for all the data received from the DBusAuth\n");
728 _dbus_warn ("Leftover data: %s\n", _dbus_string_get_const_data (&from_auth));
736 _dbus_auth_unref (auth);
738 _dbus_string_free (&file);
739 _dbus_string_free (&line);
740 _dbus_string_free (&from_auth);
746 #endif /* DBUS_BUILD_TESTS */