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<hr><h1>dbus-keyring.c</h1><div class="fragment"><pre>00001 <font class="comment">/* -*- mode: C; c-file-style: "gnu" -*- */</font>
00002 <font class="comment">/* dbus-keyring.c Store secret cookies in your homedir</font>
00003 <font class="comment"> *</font>
00004 <font class="comment"> * Copyright (C) 2003 Red Hat Inc.</font>
00005 <font class="comment"> *</font>
00006 <font class="comment"> * Licensed under the Academic Free License version 2.0</font>
00007 <font class="comment"> * </font>
00008 <font class="comment"> * This program is free software; you can redistribute it and/or modify</font>
00009 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00010 <font class="comment"> * the Free Software Foundation; either version 2 of the License, or</font>
00011 <font class="comment"> * (at your option) any later version.</font>
00012 <font class="comment"> *</font>
00013 <font class="comment"> * This program is distributed in the hope that it will be useful,</font>
00014 <font class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00015 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</font>
00016 <font class="comment"> * GNU General Public License for more details.</font>
00017 <font class="comment"> * </font>
00018 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00019 <font class="comment"> * along with this program; if not, write to the Free Software</font>
00020 <font class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</font>
00021 <font class="comment"> *</font>
00022 <font class="comment"> */</font>
00023
00024 <font class="preprocessor">#include "dbus-keyring.h"</font>
00025 <font class="preprocessor">#include "dbus-userdb.h"</font>
00026 <font class="preprocessor">#include <dbus/dbus-string.h></font>
00027 <font class="preprocessor">#include <dbus/dbus-list.h></font>
00028 <font class="preprocessor">#include <dbus/dbus-sysdeps.h></font>
00029
<a name="l00066"></a><a class="code" href="group__DBusKeyringInternals.html#a7">00066</a> <font class="preprocessor">#define NEW_KEY_TIMEOUT_SECONDS (60*5)</font>
00067 <font class="preprocessor"></font>
<a name="l00072"></a><a class="code" href="group__DBusKeyringInternals.html#a8">00072</a> <font class="preprocessor">#define EXPIRE_KEYS_TIMEOUT_SECONDS (NEW_KEY_TIMEOUT_SECONDS + (60*2))</font>
00073 <font class="preprocessor"></font>
<a name="l00076"></a><a class="code" href="group__DBusKeyringInternals.html#a9">00076</a> <font class="preprocessor">#define MAX_TIME_TRAVEL_SECONDS (60*5)</font>
00077 <font class="preprocessor"></font>
00082 <font class="preprocessor">#ifdef DBUS_BUILD_TESTS</font>
<a name="l00083"></a><a class="code" href="group__DBusKeyringInternals.html#a10">00083</a> <font class="preprocessor"></font><font class="preprocessor">#define MAX_KEYS_IN_FILE 10</font>
00084 <font class="preprocessor"></font><font class="preprocessor">#else</font>
00085 <font class="preprocessor"></font><font class="preprocessor">#define MAX_KEYS_IN_FILE 256</font>
00086 <font class="preprocessor"></font><font class="preprocessor">#endif</font>
00087 <font class="preprocessor"></font>
<a name="l00091"></a><a class="code" href="structDBusKey.html">00091</a> <font class="keyword">typedef</font> <font class="keyword">struct</font>
00092 <font class="keyword"></font>{
<a name="l00093"></a><a class="code" href="structDBusKey.html#m0">00093</a> dbus_int32_t id;
<a name="l00095"></a><a class="code" href="structDBusKey.html#m1">00095</a> <font class="keywordtype">long</font> creation_time;
<a name="l00100"></a><a class="code" href="structDBusKey.html#m2">00100</a> <a class="code" href="structDBusString.html">DBusString</a> secret;
00102 } <a class="code" href="structDBusKey.html">DBusKey</a>;
00103
<a name="l00110"></a><a class="code" href="structDBusKeyring.html">00110</a> <font class="keyword">struct </font><a class="code" href="structDBusKeyring.html">DBusKeyring</a>
00111 {
<a name="l00112"></a><a class="code" href="structDBusKeyring.html#m0">00112</a> <font class="keywordtype">int</font> <a class="code" href="structDBusKeyring.html#m0">refcount</a>;
<a name="l00113"></a><a class="code" href="structDBusKeyring.html#m1">00113</a> <a class="code" href="structDBusString.html">DBusString</a> <a class="code" href="structDBusKeyring.html#m1">username</a>;
<a name="l00114"></a><a class="code" href="structDBusKeyring.html#m2">00114</a> <a class="code" href="structDBusString.html">DBusString</a> <a class="code" href="structDBusKeyring.html#m2">directory</a>;
<a name="l00115"></a><a class="code" href="structDBusKeyring.html#m3">00115</a> <a class="code" href="structDBusString.html">DBusString</a> <a class="code" href="structDBusKeyring.html#m3">filename</a>;
<a name="l00116"></a><a class="code" href="structDBusKeyring.html#m4">00116</a> <a class="code" href="structDBusString.html">DBusString</a> <a class="code" href="structDBusKeyring.html#m4">filename_lock</a>;
<a name="l00117"></a><a class="code" href="structDBusKeyring.html#m5">00117</a> <a class="code" href="structDBusKey.html">DBusKey</a> *<a class="code" href="structDBusKeyring.html#m5">keys</a>;
<a name="l00118"></a><a class="code" href="structDBusKeyring.html#m6">00118</a> <font class="keywordtype">int</font> <a class="code" href="structDBusKeyring.html#m6">n_keys</a>;
00119 };
00120
00121 <font class="keyword">static</font> <a class="code" href="structDBusKeyring.html">DBusKeyring</a>*
00122 _dbus_keyring_new (<font class="keywordtype">void</font>)
00123 {
00124 <a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring;
00125
00126 keyring = dbus_new0 (<a class="code" href="structDBusKeyring.html">DBusKeyring</a>, 1);
00127 <font class="keywordflow">if</font> (keyring == NULL)
00128 <font class="keywordflow">goto</font> out_0;
00129
00130 <font class="keywordflow">if</font> (!_dbus_string_init (&keyring-><a class="code" href="structDBusKeyring.html#m2">directory</a>))
00131 <font class="keywordflow">goto</font> out_1;
00132
00133 <font class="keywordflow">if</font> (!_dbus_string_init (&keyring-><a class="code" href="structDBusKeyring.html#m3">filename</a>))
00134 <font class="keywordflow">goto</font> out_2;
00135
00136 <font class="keywordflow">if</font> (!_dbus_string_init (&keyring-><a class="code" href="structDBusKeyring.html#m4">filename_lock</a>))
00137 <font class="keywordflow">goto</font> out_3;
00138
00139 <font class="keywordflow">if</font> (!_dbus_string_init (&keyring-><a class="code" href="structDBusKeyring.html#m1">username</a>))
00140 <font class="keywordflow">goto</font> out_4;
00141
00142 keyring-><a class="code" href="structDBusKeyring.html#m0">refcount</a> = 1;
00143 keyring-><a class="code" href="structDBusKeyring.html#m5">keys</a> = NULL;
00144 keyring-><a class="code" href="structDBusKeyring.html#m6">n_keys</a> = 0;
00145
00146 <font class="keywordflow">return</font> keyring;
00147
00148 out_4:
00149 _dbus_string_free (&keyring-><a class="code" href="structDBusKeyring.html#m4">filename_lock</a>);
00150 out_3:
00151 _dbus_string_free (&keyring-><a class="code" href="structDBusKeyring.html#m3">filename</a>);
00152 out_2:
00153 _dbus_string_free (&keyring-><a class="code" href="structDBusKeyring.html#m2">directory</a>);
00154 out_1:
00155 dbus_free (keyring);
00156 out_0:
00157 <font class="keywordflow">return</font> NULL;
00158 }
00159
00160 <font class="keyword">static</font> <font class="keywordtype">void</font>
00161 free_keys (<a class="code" href="structDBusKey.html">DBusKey</a> *keys,
00162 <font class="keywordtype">int</font> n_keys)
00163 {
00164 <font class="keywordtype">int</font> i;
00165
00166 <font class="comment">/* should be safe for args NULL, 0 */</font>
00167
00168 i = 0;
00169 <font class="keywordflow">while</font> (i < n_keys)
00170 {
00171 _dbus_string_free (&keys[i].secret);
00172 ++i;
00173 }
00174
00175 dbus_free (keys);
00176 }
00177
00178 <font class="comment">/* Our locking scheme is highly unreliable. However, there is</font>
00179 <font class="comment"> * unfortunately no reliable locking scheme in user home directories;</font>
00180 <font class="comment"> * between bugs in Linux NFS, people using Tru64 or other total crap</font>
00181 <font class="comment"> * NFS, AFS, random-file-system-of-the-week, and so forth, fcntl() in</font>
00182 <font class="comment"> * homedirs simply generates tons of bug reports. This has been</font>
00183 <font class="comment"> * learned through hard experience with GConf, unfortunately.</font>
00184 <font class="comment"> *</font>
00185 <font class="comment"> * This bad hack might work better for the kind of lock we have here,</font>
00186 <font class="comment"> * which we don't expect to hold for any length of time. Crashing</font>
00187 <font class="comment"> * while we hold it should be unlikely, and timing out such that we</font>
00188 <font class="comment"> * delete a stale lock should also be unlikely except when the</font>
00189 <font class="comment"> * filesystem is running really slowly. Stuff might break in corner</font>
00190 <font class="comment"> * cases but as long as it's not a security-level breakage it should</font>
00191 <font class="comment"> * be OK.</font>
00192 <font class="comment"> */</font>
00193
<a name="l00195"></a><a class="code" href="group__DBusKeyringInternals.html#a11">00195</a> <font class="preprocessor">#define MAX_LOCK_TIMEOUTS 32</font>
00196 <font class="preprocessor"></font>
<a name="l00197"></a><a class="code" href="group__DBusKeyringInternals.html#a12">00197</a> <font class="preprocessor">#define LOCK_TIMEOUT_MILLISECONDS 250</font>
00198 <font class="preprocessor"></font>
00199 <font class="keyword">static</font> dbus_bool_t
00200 _dbus_keyring_lock (<a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring)
00201 {
00202 <font class="keywordtype">int</font> n_timeouts;
00203
00204 n_timeouts = 0;
00205 <font class="keywordflow">while</font> (n_timeouts < MAX_LOCK_TIMEOUTS)
00206 {
00207 <a class="code" href="structDBusError.html">DBusError</a> error;
00208
00209 dbus_error_init (&error);
00210 <font class="keywordflow">if</font> (_dbus_create_file_exclusively (&keyring-><a class="code" href="structDBusKeyring.html#m4">filename_lock</a>,
00211 &error))
00212 <font class="keywordflow">break</font>;
00213
00214 _dbus_verbose (<font class="stringliteral">"Did not get lock file, sleeping %d milliseconds (%s)\n"</font>,
00215 LOCK_TIMEOUT_MILLISECONDS, error.<a class="code" href="structDBusError.html#m1">message</a>);
00216 dbus_error_free (&error);
00217
00218 _dbus_sleep_milliseconds (LOCK_TIMEOUT_MILLISECONDS);
00219
00220 ++n_timeouts;
00221 }
00222
00223 <font class="keywordflow">if</font> (n_timeouts == MAX_LOCK_TIMEOUTS)
00224 {
00225 <a class="code" href="structDBusError.html">DBusError</a> error;
00226
00227 _dbus_verbose (<font class="stringliteral">"Lock file timed out %d times, assuming stale\n"</font>,
00228 n_timeouts);
00229
00230 dbus_error_init (&error);
00231
00232 <font class="keywordflow">if</font> (!_dbus_delete_file (&keyring-><a class="code" href="structDBusKeyring.html#m4">filename_lock</a>, &error))
00233 {
00234 _dbus_verbose (<font class="stringliteral">"Couldn't delete old lock file: %s\n"</font>,
00235 error.<a class="code" href="structDBusError.html#m1">message</a>);
00236 dbus_error_free (&error);
00237 <font class="keywordflow">return</font> FALSE;
00238 }
00239
00240 <font class="keywordflow">if</font> (!_dbus_create_file_exclusively (&keyring-><a class="code" href="structDBusKeyring.html#m4">filename_lock</a>,
00241 &error))
00242 {
00243 _dbus_verbose (<font class="stringliteral">"Couldn't create lock file after deleting stale one: %s\n"</font>,
00244 error.<a class="code" href="structDBusError.html#m1">message</a>);
00245 dbus_error_free (&error);
00246 <font class="keywordflow">return</font> FALSE;
00247 }
00248 }
00249
00250 <font class="keywordflow">return</font> TRUE;
00251 }
00252
00253 <font class="keyword">static</font> <font class="keywordtype">void</font>
00254 _dbus_keyring_unlock (<a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring)
00255 {
00256 <a class="code" href="structDBusError.html">DBusError</a> error;
00257 dbus_error_init (&error);
00258 <font class="keywordflow">if</font> (!_dbus_delete_file (&keyring-><a class="code" href="structDBusKeyring.html#m4">filename_lock</a>, &error))
00259 {
00260 _dbus_warn (<font class="stringliteral">"Failed to delete lock file: %s\n"</font>,
00261 error.<a class="code" href="structDBusError.html#m1">message</a>);
00262 dbus_error_free (&error);
00263 }
00264 }
00265
00266 <font class="keyword">static</font> <a class="code" href="structDBusKey.html">DBusKey</a>*
00267 find_key_by_id (<a class="code" href="structDBusKey.html">DBusKey</a> *keys,
00268 <font class="keywordtype">int</font> n_keys,
00269 <font class="keywordtype">int</font> id)
00270 {
00271 <font class="keywordtype">int</font> i;
00272
00273 i = 0;
00274 <font class="keywordflow">while</font> (i < n_keys)
00275 {
00276 <font class="keywordflow">if</font> (keys[i].<a class="code" href="structDBusKey.html#m0">id</a> == id)
00277 <font class="keywordflow">return</font> &keys[i];
00278
00279 ++i;
00280 }
00281
00282 <font class="keywordflow">return</font> NULL;
00283 }
00284
00285 <font class="keyword">static</font> dbus_bool_t
00286 add_new_key (<a class="code" href="structDBusKey.html">DBusKey</a> **keys_p,
00287 <font class="keywordtype">int</font> *n_keys_p,
00288 <a class="code" href="structDBusError.html">DBusError</a> *error)
00289 {
00290 <a class="code" href="structDBusKey.html">DBusKey</a> *<font class="keyword">new</font>;
00291 <a class="code" href="structDBusString.html">DBusString</a> bytes;
00292 <font class="keywordtype">int</font> id;
00293 <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> timestamp;
00294 <font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *s;
00295 dbus_bool_t retval;
00296 <a class="code" href="structDBusKey.html">DBusKey</a> *keys;
00297 <font class="keywordtype">int</font> n_keys;
00298
00299 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00300
00301 <font class="keywordflow">if</font> (!_dbus_string_init (&bytes))
00302 {
00303 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00304 <font class="keywordflow">return</font> FALSE;
00305 }
00306
00307 keys = *keys_p;
00308 n_keys = *n_keys_p;
00309 retval = FALSE;
00310
00311 <font class="comment">/* Generate an integer ID and then the actual key. */</font>
00312 retry:
00313
00314 <font class="keywordflow">if</font> (!_dbus_generate_random_bytes (&bytes, 4))
00315 {
00316 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00317 <font class="keywordflow">goto</font> out;
00318 }
00319
00320 s = (<font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font>*) _dbus_string_get_const_data (&bytes);
00321
00322 id = s[0] | (s[1] << 8) | (s[2] << 16) | (s[3] << 24);
00323 <font class="keywordflow">if</font> (id < 0)
00324 id = - id;
00325 _dbus_assert (id >= 0);
00326
00327 <font class="keywordflow">if</font> (find_key_by_id (keys, n_keys, id) != NULL)
00328 {
00329 _dbus_string_set_length (&bytes, 0);
00330 _dbus_verbose (<font class="stringliteral">"Key ID %d already existed, trying another one\n"</font>,
00331 id);
00332 <font class="keywordflow">goto</font> retry;
00333 }
00334
00335 _dbus_verbose (<font class="stringliteral">"Creating key with ID %d\n"</font>, id);
00336
00337 <font class="preprocessor">#define KEY_LENGTH_BYTES 24</font>
00338 <font class="preprocessor"></font> _dbus_string_set_length (&bytes, 0);
00339 <font class="keywordflow">if</font> (!_dbus_generate_random_bytes (&bytes, KEY_LENGTH_BYTES))
00340 {
00341 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00342 <font class="keywordflow">goto</font> out;
00343 }
00344
00345 <font class="keyword">new</font> = dbus_realloc (keys, <font class="keyword">sizeof</font> (<a class="code" href="structDBusKey.html">DBusKey</a>) * (n_keys + 1));
00346 <font class="keywordflow">if</font> (<font class="keyword">new</font> == NULL)
00347 {
00348 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00349 <font class="keywordflow">goto</font> out;
00350 }
00351
00352 keys = <font class="keyword">new</font>;
00353 *keys_p = keys; <font class="comment">/* otherwise *keys_p ends up invalid */</font>
00354 n_keys += 1;
00355
00356 <font class="keywordflow">if</font> (!_dbus_string_init (&keys[n_keys-1].secret))
00357 {
00358 n_keys -= 1; <font class="comment">/* we don't want to free the one we didn't init */</font>
00359 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00360 <font class="keywordflow">goto</font> out;
00361 }
00362
00363 _dbus_get_current_time (&timestamp, NULL);
00364
00365 keys[n_keys-1].<a class="code" href="structDBusKey.html#m0">id</a> = id;
00366 keys[n_keys-1].<a class="code" href="structDBusKey.html#m1">creation_time</a> = timestamp;
00367 <font class="keywordflow">if</font> (!_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 <font class="keywordflow">goto</font> out;
00375 }
00376
00377 retval = TRUE;
00378
00379 out:
00380 *n_keys_p = n_keys;
00381
00382 _dbus_string_free (&bytes);
00383 <font class="keywordflow">return</font> retval;
00384 }
00385
00400 <font class="keyword">static</font> dbus_bool_t
00401 _dbus_keyring_reload (<a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring,
00402 dbus_bool_t add_new,
00403 <a class="code" href="structDBusError.html">DBusError</a> *error)
00404 {
00405 <a class="code" href="structDBusString.html">DBusString</a> contents;
00406 <a class="code" href="structDBusString.html">DBusString</a> line;
00407 dbus_bool_t retval;
00408 dbus_bool_t have_lock;
00409 <a class="code" href="structDBusKey.html">DBusKey</a> *keys;
00410 <font class="keywordtype">int</font> n_keys;
00411 <font class="keywordtype">int</font> i;
00412 <font class="keywordtype">long</font> now;
00413 <a class="code" href="structDBusError.html">DBusError</a> tmp_error;
00414
00415 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00416
00417 <font class="keywordflow">if</font> (!_dbus_string_init (&contents))
00418 {
00419 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00420 <font class="keywordflow">return</font> FALSE;
00421 }
00422
00423 <font class="keywordflow">if</font> (!_dbus_string_init (&line))
00424 {
00425 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00426 _dbus_string_free (&contents);
00427 <font class="keywordflow">return</font> 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 <font class="keywordflow">if</font> (add_new)
00438 {
00439 <font class="keywordflow">if</font> (!_dbus_keyring_lock (keyring))
00440 {
00441 dbus_set_error (error, DBUS_ERROR_FAILED,
00442 <font class="stringliteral">"Could not lock keyring file to add to it"</font>);
00443 <font class="keywordflow">goto</font> out;
00444 }
00445
00446 have_lock = TRUE;
00447 }
00448
00449 dbus_error_init (&tmp_error);
00450 <font class="keywordflow">if</font> (!_dbus_file_get_contents (&contents,
00451 &keyring-><a class="code" href="structDBusKeyring.html#m3">filename</a>,
00452 &tmp_error))
00453 {
00454 _dbus_verbose (<font class="stringliteral">"Failed to load keyring file: %s\n"</font>,
00455 tmp_error.<a class="code" href="structDBusError.html#m1">message</a>);
00456 <font class="comment">/* continue with empty keyring file, so we recreate it */</font>
00457 dbus_error_free (&tmp_error);
00458 }
00459
00460 <font class="keywordflow">if</font> (!_dbus_string_validate_ascii (&contents, 0,
00461 _dbus_string_get_length (&contents)))
00462 {
00463 _dbus_warn (<font class="stringliteral">"Secret keyring file contains non-ASCII! Ignoring existing contents\n"</font>);
00464 _dbus_string_set_length (&contents, 0);
00465 }
00466
00467 <font class="comment">/* FIXME this is badly inefficient for large keyring files</font>
00468 <font class="comment"> * (not that large keyring files exist outside of test suites)</font>
00469 <font class="comment"> */</font>
00470 <font class="keywordflow">while</font> (_dbus_string_pop_line (&contents, &line))
00471 {
00472 <font class="keywordtype">int</font> next;
00473 <font class="keywordtype">long</font> val;
00474 <font class="keywordtype">int</font> id;
00475 <font class="keywordtype">long</font> timestamp;
00476 <font class="keywordtype">int</font> len;
00477 <font class="keywordtype">int</font> end;
00478 <a class="code" href="structDBusKey.html">DBusKey</a> *<font class="keyword">new</font>;
00479
00480 <font class="comment">/* Don't load more than the max. */</font>
00481 <font class="keywordflow">if</font> (n_keys >= (add_new ? MAX_KEYS_IN_FILE : MAX_KEYS_IN_FILE - 1))
00482 <font class="keywordflow">break</font>;
00483
00484 next = 0;
00485 <font class="keywordflow">if</font> (!_dbus_string_parse_int (&line, 0, &val, &next))
00486 {
00487 _dbus_verbose (<font class="stringliteral">"could not parse secret key ID at start of line\n"</font>);
00488 <font class="keywordflow">continue</font>;
00489 }
00490
00491 <font class="keywordflow">if</font> (val > _DBUS_INT_MAX || val < 0)
00492 {
00493 _dbus_verbose (<font class="stringliteral">"invalid secret key ID at start of line\n"</font>);
00494 <font class="keywordflow">continue</font>;
00495 }
00496
00497 id = val;
00498
00499 _dbus_string_skip_blank (&line, next, &next);
00500
00501 <font class="keywordflow">if</font> (!_dbus_string_parse_int (&line, next, &timestamp, &next))
00502 {
00503 _dbus_verbose (<font class="stringliteral">"could not parse secret key timestamp\n"</font>);
00504 <font class="keywordflow">continue</font>;
00505 }
00506
00507 <font class="keywordflow">if</font> (timestamp < 0 ||
00508 (now + MAX_TIME_TRAVEL_SECONDS) < timestamp ||
00509 (now - EXPIRE_KEYS_TIMEOUT_SECONDS) > timestamp)
00510 {
00511 _dbus_verbose (<font class="stringliteral">"dropping/ignoring %ld-seconds old key with timestamp %ld as current time is %ld\n"</font>,
00512 now - timestamp, timestamp, now);
00513 <font class="keywordflow">continue</font>;
00514 }
00515
00516 _dbus_string_skip_blank (&line, next, &next);
00517
00518 len = _dbus_string_get_length (&line);
00519
00520 <font class="keywordflow">if</font> ((len - next) == 0)
00521 {
00522 _dbus_verbose (<font class="stringliteral">"no secret key after ID and timestamp\n"</font>);
00523 <font class="keywordflow">continue</font>;
00524 }
00525
00526 <font class="comment">/* We have all three parts */</font>
00527 <font class="keyword">new</font> = dbus_realloc (keys, <font class="keyword">sizeof</font> (<a class="code" href="structDBusKey.html">DBusKey</a>) * (n_keys + 1));
00528 <font class="keywordflow">if</font> (<font class="keyword">new</font> == NULL)
00529 {
00530 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00531 <font class="keywordflow">goto</font> out;
00532 }
00533
00534 keys = <font class="keyword">new</font>;
00535 n_keys += 1;
00536
00537 <font class="keywordflow">if</font> (!_dbus_string_init (&keys[n_keys-1].secret))
00538 {
00539 n_keys -= 1; <font class="comment">/* we don't want to free the one we didn't init */</font>
00540 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00541 <font class="keywordflow">goto</font> out;
00542 }
00543
00544 keys[n_keys-1].<a class="code" href="structDBusKey.html#m0">id</a> = id;
00545 keys[n_keys-1].<a class="code" href="structDBusKey.html#m1">creation_time</a> = timestamp;
00546 <font class="keywordflow">if</font> (!_dbus_string_hex_decode (&line, next, &end,
00547 &keys[n_keys-1].secret, 0))
00548 {
00549 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00550 <font class="keywordflow">goto</font> out;
00551 }
00552
00553 <font class="keywordflow">if</font> (_dbus_string_get_length (&line) != end)
00554 {
00555 _dbus_verbose (<font class="stringliteral">"invalid hex encoding in keyring file\n"</font>);
00556 _dbus_string_free (&keys[n_keys - 1].secret);
00557 n_keys -= 1;
00558 <font class="keywordflow">continue</font>;
00559 }
00560 }
00561
00562 _dbus_verbose (<font class="stringliteral">"Successfully loaded %d existing keys\n"</font>,
00563 n_keys);
00564
00565 <font class="keywordflow">if</font> (add_new)
00566 {
00567 <font class="keywordflow">if</font> (!add_new_key (&keys, &n_keys, error))
00568 {
00569 _dbus_verbose (<font class="stringliteral">"Failed to generate new key: %s\n"</font>,
00570 error ? <font class="stringliteral">"(unknown)"</font> : error-><a class="code" href="structDBusError.html#m1">message</a>);
00571 <font class="keywordflow">goto</font> out;
00572 }
00573
00574 _dbus_string_set_length (&contents, 0);
00575
00576 i = 0;
00577 <font class="keywordflow">while</font> (i < n_keys)
00578 {
00579 <font class="keywordflow">if</font> (!_dbus_string_append_int (&contents,
00580 keys[i].id))
00581 <font class="keywordflow">goto</font> nomem;
00582
00583 <font class="keywordflow">if</font> (!_dbus_string_append_byte (&contents, <font class="charliteral">' '</font>))
00584 <font class="keywordflow">goto</font> nomem;
00585
00586 <font class="keywordflow">if</font> (!_dbus_string_append_int (&contents,
00587 keys[i].creation_time))
00588 <font class="keywordflow">goto</font> nomem;
00589
00590 <font class="keywordflow">if</font> (!_dbus_string_append_byte (&contents, <font class="charliteral">' '</font>))
00591 <font class="keywordflow">goto</font> nomem;
00592
00593 <font class="keywordflow">if</font> (!_dbus_string_hex_encode (&keys[i].secret, 0,
00594 &contents,
00595 _dbus_string_get_length (&contents)))
00596 <font class="keywordflow">goto</font> nomem;
00597
00598 <font class="keywordflow">if</font> (!_dbus_string_append_byte (&contents, <font class="charliteral">'\n'</font>))
00599 <font class="keywordflow">goto</font> nomem;
00600
00601 ++i;
00602 <font class="keywordflow">continue</font>;
00603
00604 nomem:
00605 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00606 <font class="keywordflow">goto</font> out;
00607 }
00608
00609 <font class="keywordflow">if</font> (!_dbus_string_save_to_file (&contents, &keyring-><a class="code" href="structDBusKeyring.html#m3">filename</a>,
00610 error))
00611 <font class="keywordflow">goto</font> out;
00612 }
00613
00614 <font class="keywordflow">if</font> (keyring-><a class="code" href="structDBusKeyring.html#m5">keys</a>)
00615 free_keys (keyring-><a class="code" href="structDBusKeyring.html#m5">keys</a>, keyring-><a class="code" href="structDBusKeyring.html#m6">n_keys</a>);
00616 keyring-><a class="code" href="structDBusKeyring.html#m5">keys</a> = keys;
00617 keyring-><a class="code" href="structDBusKeyring.html#m6">n_keys</a> = n_keys;
00618 keys = NULL;
00619 n_keys = 0;
00620
00621 retval = TRUE;
00622
00623 out:
00624 <font class="keywordflow">if</font> (have_lock)
00625 _dbus_keyring_unlock (keyring);
00626
00627 <font class="keywordflow">if</font> (! ((retval == TRUE && (error == NULL || error-><a class="code" href="structDBusError.html#m0">name</a> == NULL)) ||
00628 (retval == FALSE && (error == NULL || error-><a class="code" href="structDBusError.html#m0">name</a> != NULL))))
00629 {
00630 <font class="keywordflow">if</font> (error && error-><a class="code" href="structDBusError.html#m0">name</a>)
00631 _dbus_verbose (<font class="stringliteral">"error is %s: %s\n"</font>, error-><a class="code" href="structDBusError.html#m0">name</a>, error-><a class="code" href="structDBusError.html#m1">message</a>);
00632 _dbus_warn (<font class="stringliteral">"returning %d but error pointer %p name %s\n"</font>,
00633 retval, error, error-><a class="code" href="structDBusError.html#m0">name</a> ? error-><a class="code" href="structDBusError.html#m0">name</a> : <font class="stringliteral">"(none)"</font>);
00634 _dbus_assert_not_reached (<font class="stringliteral">"didn't handle errors properly"</font>);
00635 }
00636
00637 <font class="keywordflow">if</font> (keys != NULL)
00638 {
00639 i = 0;
00640 <font class="keywordflow">while</font> (i < n_keys)
00641 {
00642 _dbus_string_zero (&keys[i].secret);
00643 _dbus_string_free (&keys[i].secret);
00644 ++i;
00645 }
00646
00647 dbus_free (keys);
00648 }
00649
00650 _dbus_string_free (&contents);
00651 _dbus_string_free (&line);
00652
00653 <font class="keywordflow">return</font> retval;
00654 }
00655 <font class="comment">/* end of internals */</font>
00657
00670 <a class="code" href="structDBusKeyring.html">DBusKeyring</a> *
<a name="l00671"></a><a class="code" href="group__DBusKeyring.html#a0">00671</a> _dbus_keyring_ref (<a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring)
00672 {
00673 keyring-><a class="code" href="structDBusKeyring.html#m0">refcount</a> += 1;
00674
00675 <font class="keywordflow">return</font> keyring;
00676 }
00677
00684 <font class="keywordtype">void</font>
<a name="l00685"></a><a class="code" href="group__DBusKeyring.html#a1">00685</a> _dbus_keyring_unref (<a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring)
00686 {
00687 keyring-><a class="code" href="structDBusKeyring.html#m0">refcount</a> -= 1;
00688
00689 <font class="keywordflow">if</font> (keyring-><a class="code" href="structDBusKeyring.html#m0">refcount</a> == 0)
00690 {
00691 _dbus_string_free (&keyring-><a class="code" href="structDBusKeyring.html#m1">username</a>);
00692 _dbus_string_free (&keyring-><a class="code" href="structDBusKeyring.html#m3">filename</a>);
00693 _dbus_string_free (&keyring-><a class="code" href="structDBusKeyring.html#m4">filename_lock</a>);
00694 _dbus_string_free (&keyring-><a class="code" href="structDBusKeyring.html#m2">directory</a>);
00695 free_keys (keyring-><a class="code" href="structDBusKeyring.html#m5">keys</a>, keyring-><a class="code" href="structDBusKeyring.html#m6">n_keys</a>);
00696 dbus_free (keyring);
00697 }
00698 }
00699
00710 <a class="code" href="structDBusKeyring.html">DBusKeyring</a>*
<a name="l00711"></a><a class="code" href="group__DBusKeyring.html#a2">00711</a> _dbus_keyring_new_homedir (<font class="keyword">const</font> <a class="code" href="structDBusString.html">DBusString</a> *username,
00712 <font class="keyword">const</font> <a class="code" href="structDBusString.html">DBusString</a> *context,
00713 <a class="code" href="structDBusError.html">DBusError</a> *error)
00714 {
00715 <a class="code" href="structDBusString.html">DBusString</a> homedir;
00716 <a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring;
00717 dbus_bool_t error_set;
00718 <a class="code" href="structDBusString.html">DBusString</a> dotdir;
00719 <a class="code" href="structDBusError.html">DBusError</a> tmp_error;
00720
00721 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00722
00723 keyring = NULL;
00724 error_set = FALSE;
00725
00726 <font class="keywordflow">if</font> (!_dbus_string_init (&homedir))
00727 {
00728 dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
00729 <font class="keywordflow">return</font> FALSE;
00730 }
00731
00732 _dbus_string_init_const (&dotdir, <font class="stringliteral">".dbus-keyrings"</font>);
00733
00734 <font class="keywordflow">if</font> (username == NULL)
00735 {
00736 <font class="keyword">const</font> <a class="code" href="structDBusString.html">DBusString</a> *const_homedir;
00737
00738 <font class="keywordflow">if</font> (!_dbus_username_from_current_process (&username) ||
00739 !_dbus_homedir_from_current_process (&const_homedir))
00740 <font class="keywordflow">goto</font> failed;
00741
00742 <font class="keywordflow">if</font> (!_dbus_string_copy (const_homedir, 0,
00743 &homedir, 0))
00744 <font class="keywordflow">goto</font> failed;
00745 }
00746 <font class="keywordflow">else</font>
00747 {
00748 <font class="keywordflow">if</font> (!_dbus_homedir_from_username (username, &homedir))
00749 <font class="keywordflow">goto</font> failed;
00750 }
00751
00752 <font class="preprocessor">#ifdef DBUS_BUILD_TESTS</font>
00753 <font class="preprocessor"></font> {
00754 <font class="keyword">const</font> <font class="keywordtype">char</font> *override;
00755
00756 override = _dbus_getenv (<font class="stringliteral">"DBUS_TEST_HOMEDIR"</font>);
00757 <font class="keywordflow">if</font> (override != NULL && *override != <font class="charliteral">'\0'</font>)
00758 {
00759 _dbus_string_set_length (&homedir, 0);
00760 <font class="keywordflow">if</font> (!_dbus_string_append (&homedir, override))
00761 _dbus_assert_not_reached (<font class="stringliteral">"no memory"</font>);
00762
00763 _dbus_verbose (<font class="stringliteral">"Using fake homedir for testing: %s\n"</font>,
00764 _dbus_string_get_const_data (&homedir));
00765 }
00766 <font class="keywordflow">else</font>
00767 {
00768 <font class="keyword">static</font> dbus_bool_t already_warned = FALSE;
00769 <font class="keywordflow">if</font> (!already_warned)
00770 {
00771 _dbus_warn (<font class="stringliteral">"Using your real home directory for testing, set DBUS_TEST_HOMEDIR to avoid\n"</font>);
00772 already_warned = TRUE;
00773 }
00774 }
00775 }
00776 <font class="preprocessor">#endif</font>
00777 <font class="preprocessor"></font>
00778 _dbus_assert (username != NULL);
00779
00780 keyring = _dbus_keyring_new ();
00781 <font class="keywordflow">if</font> (keyring == NULL)
00782 <font class="keywordflow">goto</font> failed;
00783
00784 <font class="comment">/* should have been validated already, but paranoia check here */</font>
00785 <font class="keywordflow">if</font> (!_dbus_keyring_validate_context (context))
00786 {
00787 error_set = TRUE;
00788 dbus_set_error_const (error,
00789 DBUS_ERROR_FAILED,
00790 <font class="stringliteral">"Invalid context in keyring creation"</font>);
00791 <font class="keywordflow">goto</font> failed;
00792 }
00793
00794 <font class="keywordflow">if</font> (!_dbus_string_copy (username, 0,
00795 &keyring-><a class="code" href="structDBusKeyring.html#m1">username</a>, 0))
00796 <font class="keywordflow">goto</font> failed;
00797
00798 <font class="keywordflow">if</font> (!_dbus_string_copy (&homedir, 0,
00799 &keyring-><a class="code" href="structDBusKeyring.html#m2">directory</a>, 0))
00800 <font class="keywordflow">goto</font> failed;
00801
00802 <font class="keywordflow">if</font> (!_dbus_concat_dir_and_file (&keyring-><a class="code" href="structDBusKeyring.html#m2">directory</a>,
00803 &dotdir))
00804 <font class="keywordflow">goto</font> failed;
00805
00806 <font class="keywordflow">if</font> (!_dbus_string_copy (&keyring-><a class="code" href="structDBusKeyring.html#m2">directory</a>, 0,
00807 &keyring-><a class="code" href="structDBusKeyring.html#m3">filename</a>, 0))
00808 <font class="keywordflow">goto</font> failed;
00809
00810 <font class="keywordflow">if</font> (!_dbus_concat_dir_and_file (&keyring-><a class="code" href="structDBusKeyring.html#m3">filename</a>,
00811 context))
00812 <font class="keywordflow">goto</font> failed;
00813
00814 <font class="keywordflow">if</font> (!_dbus_string_copy (&keyring-><a class="code" href="structDBusKeyring.html#m3">filename</a>, 0,
00815 &keyring-><a class="code" href="structDBusKeyring.html#m4">filename_lock</a>, 0))
00816 <font class="keywordflow">goto</font> failed;
00817
00818 <font class="keywordflow">if</font> (!_dbus_string_append (&keyring-><a class="code" href="structDBusKeyring.html#m4">filename_lock</a>, <font class="stringliteral">".lock"</font>))
00819 <font class="keywordflow">goto</font> failed;
00820
00821 dbus_error_init (&tmp_error);
00822 <font class="keywordflow">if</font> (!_dbus_keyring_reload (keyring, FALSE, &tmp_error))
00823 {
00824 _dbus_verbose (<font class="stringliteral">"didn't load an existing keyring: %s\n"</font>,
00825 tmp_error.<a class="code" href="structDBusError.html#m1">message</a>);
00826 dbus_error_free (&tmp_error);
00827 }
00828
00829 <font class="comment">/* We don't fail fatally if we can't create the directory,</font>
00830 <font class="comment"> * but the keyring will probably always be empty</font>
00831 <font class="comment"> * unless someone else manages to create it</font>
00832 <font class="comment"> */</font>
00833 dbus_error_init (&tmp_error);
00834 <font class="keywordflow">if</font> (!_dbus_create_directory (&keyring-><a class="code" href="structDBusKeyring.html#m2">directory</a>,
00835 &tmp_error))
00836 {
00837 _dbus_verbose (<font class="stringliteral">"Creating keyring directory: %s\n"</font>,
00838 tmp_error.<a class="code" href="structDBusError.html#m1">message</a>);
00839 dbus_error_free (&tmp_error);
00840 }
00841
00842 _dbus_string_free (&homedir);
00843
00844 <font class="keywordflow">return</font> keyring;
00845
00846 failed:
00847 <font class="keywordflow">if</font> (!error_set)
00848 dbus_set_error_const (error,
00849 DBUS_ERROR_NO_MEMORY,
00850 NULL);
00851 <font class="keywordflow">if</font> (keyring)
00852 _dbus_keyring_unref (keyring);
00853 _dbus_string_free (&homedir);
00854 <font class="keywordflow">return</font> FALSE;
00855
00856 }
00857
00870 dbus_bool_t
<a name="l00871"></a><a class="code" href="group__DBusKeyring.html#a3">00871</a> _dbus_keyring_validate_context (<font class="keyword">const</font> <a class="code" href="structDBusString.html">DBusString</a> *context)
00872 {
00873 <font class="keywordflow">if</font> (_dbus_string_get_length (context) == 0)
00874 {
00875 _dbus_verbose (<font class="stringliteral">"context is zero-length\n"</font>);
00876 <font class="keywordflow">return</font> FALSE;
00877 }
00878
00879 <font class="keywordflow">if</font> (!_dbus_string_validate_ascii (context, 0,
00880 _dbus_string_get_length (context)))
00881 {
00882 _dbus_verbose (<font class="stringliteral">"context not valid ascii\n"</font>);
00883 <font class="keywordflow">return</font> FALSE;
00884 }
00885
00886 <font class="comment">/* no directory separators */</font>
00887 <font class="keywordflow">if</font> (_dbus_string_find (context, 0, <font class="stringliteral">"/"</font>, NULL))
00888 {
00889 _dbus_verbose (<font class="stringliteral">"context contains a slash\n"</font>);
00890 <font class="keywordflow">return</font> FALSE;
00891 }
00892
00893 <font class="keywordflow">if</font> (_dbus_string_find (context, 0, <font class="stringliteral">"\\"</font>, NULL))
00894 {
00895 _dbus_verbose (<font class="stringliteral">"context contains a backslash\n"</font>);
00896 <font class="keywordflow">return</font> FALSE;
00897 }
00898
00899 <font class="comment">/* prevent attempts to use dotfiles or ".." or ".lock"</font>
00900 <font class="comment"> * all of which might allow some kind of attack</font>
00901 <font class="comment"> */</font>
00902 <font class="keywordflow">if</font> (_dbus_string_find (context, 0, <font class="stringliteral">"."</font>, NULL))
00903 {
00904 _dbus_verbose (<font class="stringliteral">"context contains a dot\n"</font>);
00905 <font class="keywordflow">return</font> FALSE;
00906 }
00907
00908 <font class="comment">/* no spaces/tabs, those are used for separators in the protocol */</font>
00909 <font class="keywordflow">if</font> (_dbus_string_find_blank (context, 0, NULL))
00910 {
00911 _dbus_verbose (<font class="stringliteral">"context contains a blank\n"</font>);
00912 <font class="keywordflow">return</font> FALSE;
00913 }
00914
00915 <font class="keywordflow">if</font> (_dbus_string_find (context, 0, <font class="stringliteral">"\n"</font>, NULL))
00916 {
00917 _dbus_verbose (<font class="stringliteral">"context contains a newline\n"</font>);
00918 <font class="keywordflow">return</font> FALSE;
00919 }
00920
00921 <font class="keywordflow">if</font> (_dbus_string_find (context, 0, <font class="stringliteral">"\r"</font>, NULL))
00922 {
00923 _dbus_verbose (<font class="stringliteral">"context contains a carriage return\n"</font>);
00924 <font class="keywordflow">return</font> FALSE;
00925 }
00926
00927 <font class="keywordflow">return</font> TRUE;
00928 }
00929
00930 <font class="keyword">static</font> <a class="code" href="structDBusKey.html">DBusKey</a>*
00931 find_recent_key (<a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring)
00932 {
00933 <font class="keywordtype">int</font> i;
00934 <font class="keywordtype">long</font> tv_sec, tv_usec;
00935
00936 _dbus_get_current_time (&tv_sec, &tv_usec);
00937
00938 i = 0;
00939 <font class="keywordflow">while</font> (i < keyring-><a class="code" href="structDBusKeyring.html#m6">n_keys</a>)
00940 {
00941 <a class="code" href="structDBusKey.html">DBusKey</a> *key = &keyring-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i];
00942
00943 _dbus_verbose (<font class="stringliteral">"Key %d is %ld seconds old\n"</font>,
00944 i, tv_sec - key-><a class="code" href="structDBusKey.html#m1">creation_time</a>);
00945
00946 <font class="keywordflow">if</font> ((tv_sec - NEW_KEY_TIMEOUT_SECONDS) < key-><a class="code" href="structDBusKey.html#m1">creation_time</a>)
00947 <font class="keywordflow">return</font> key;
00948
00949 ++i;
00950 }
00951
00952 <font class="keywordflow">return</font> NULL;
00953 }
00954
00966 <font class="keywordtype">int</font>
<a name="l00967"></a><a class="code" href="group__DBusKeyring.html#a5">00967</a> _dbus_keyring_get_best_key (<a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring,
00968 <a class="code" href="structDBusError.html">DBusError</a> *error)
00969 {
00970 <a class="code" href="structDBusKey.html">DBusKey</a> *key;
00971
00972 _DBUS_ASSERT_ERROR_IS_CLEAR (error);
00973
00974 key = find_recent_key (keyring);
00975 <font class="keywordflow">if</font> (key)
00976 <font class="keywordflow">return</font> key-><a class="code" href="structDBusKey.html#m0">id</a>;
00977
00978 <font class="comment">/* All our keys are too old, or we've never loaded the</font>
00979 <font class="comment"> * keyring. Create a new one.</font>
00980 <font class="comment"> */</font>
00981 <font class="keywordflow">if</font> (!_dbus_keyring_reload (keyring, TRUE,
00982 error))
00983 <font class="keywordflow">return</font> -1;
00984
00985 key = find_recent_key (keyring);
00986 <font class="keywordflow">if</font> (key)
00987 <font class="keywordflow">return</font> key-><a class="code" href="structDBusKey.html#m0">id</a>;
00988 <font class="keywordflow">else</font>
00989 {
00990 dbus_set_error_const (error,
00991 DBUS_ERROR_FAILED,
00992 <font class="stringliteral">"No recent-enough key found in keyring, and unable to create a new key"</font>);
00993 <font class="keywordflow">return</font> -1;
00994 }
00995 }
00996
01005 dbus_bool_t
<a name="l01006"></a><a class="code" href="group__DBusKeyring.html#a6">01006</a> _dbus_keyring_is_for_user (<a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring,
01007 <font class="keyword">const</font> <a class="code" href="structDBusString.html">DBusString</a> *username)
01008 {
01009 <font class="keywordflow">return</font> _dbus_string_equal (&keyring-><a class="code" href="structDBusKeyring.html#m1">username</a>,
01010 username);
01011 }
01012
01024 dbus_bool_t
<a name="l01025"></a><a class="code" href="group__DBusKeyring.html#a7">01025</a> _dbus_keyring_get_hex_key (<a class="code" href="structDBusKeyring.html">DBusKeyring</a> *keyring,
01026 <font class="keywordtype">int</font> key_id,
01027 <a class="code" href="structDBusString.html">DBusString</a> *hex_key)
01028 {
01029 <a class="code" href="structDBusKey.html">DBusKey</a> *key;
01030
01031 key = find_key_by_id (keyring-><a class="code" href="structDBusKeyring.html#m5">keys</a>,
01032 keyring-><a class="code" href="structDBusKeyring.html#m6">n_keys</a>,
01033 key_id);
01034 <font class="keywordflow">if</font> (key == NULL)
01035 <font class="keywordflow">return</font> TRUE; <font class="comment">/* had enough memory, so TRUE */</font>
01036
01037 <font class="keywordflow">return</font> _dbus_string_hex_encode (&key-><a class="code" href="structDBusKey.html#m2">secret</a>, 0,
01038 hex_key,
01039 _dbus_string_get_length (hex_key));
01040 }
01041 <font class="comment">/* end of exposed API */</font>
01043
01044 <font class="preprocessor">#ifdef DBUS_BUILD_TESTS</font>
01045 <font class="preprocessor"></font><font class="preprocessor">#include "dbus-test.h"</font>
01046 <font class="preprocessor">#include <stdio.h></font>
01047
01048 dbus_bool_t
01049 _dbus_keyring_test (<font class="keywordtype">void</font>)
01050 {
01051 <a class="code" href="structDBusString.html">DBusString</a> context;
01052 <a class="code" href="structDBusKeyring.html">DBusKeyring</a> *ring1;
01053 <a class="code" href="structDBusKeyring.html">DBusKeyring</a> *ring2;
01054 <font class="keywordtype">int</font> id;
01055 <a class="code" href="structDBusError.html">DBusError</a> error;
01056 <font class="keywordtype">int</font> i;
01057
01058 ring1 = NULL;
01059 ring2 = NULL;
01060
01061 <font class="comment">/* Context validation */</font>
01062
01063 _dbus_string_init_const (&context, <font class="stringliteral">"foo"</font>);
01064 _dbus_assert (_dbus_keyring_validate_context (&context));
01065 _dbus_string_init_const (&context, <font class="stringliteral">"org_freedesktop_blah"</font>);
01066 _dbus_assert (_dbus_keyring_validate_context (&context));
01067
01068 _dbus_string_init_const (&context, <font class="stringliteral">""</font>);
01069 _dbus_assert (!_dbus_keyring_validate_context (&context));
01070 _dbus_string_init_const (&context, <font class="stringliteral">".foo"</font>);
01071 _dbus_assert (!_dbus_keyring_validate_context (&context));
01072 _dbus_string_init_const (&context, <font class="stringliteral">"bar.foo"</font>);
01073 _dbus_assert (!_dbus_keyring_validate_context (&context));
01074 _dbus_string_init_const (&context, <font class="stringliteral">"bar/foo"</font>);
01075 _dbus_assert (!_dbus_keyring_validate_context (&context));
01076 _dbus_string_init_const (&context, <font class="stringliteral">"bar\\foo"</font>);
01077 _dbus_assert (!_dbus_keyring_validate_context (&context));
01078 _dbus_string_init_const (&context, <font class="stringliteral">"foo\xfa\xf0"</font>);
01079 _dbus_assert (!_dbus_keyring_validate_context (&context));
01080 _dbus_string_init_const (&context, <font class="stringliteral">"foo\x80"</font>);
01081 _dbus_assert (!_dbus_keyring_validate_context (&context));
01082 _dbus_string_init_const (&context, <font class="stringliteral">"foo\x7f"</font>);
01083 _dbus_assert (_dbus_keyring_validate_context (&context));
01084 _dbus_string_init_const (&context, <font class="stringliteral">"foo bar"</font>);
01085 _dbus_assert (!_dbus_keyring_validate_context (&context));
01086
01087 <font class="keywordflow">if</font> (!_dbus_string_init (&context))
01088 _dbus_assert_not_reached (<font class="stringliteral">"no memory"</font>);
01089 <font class="keywordflow">if</font> (!_dbus_string_append_byte (&context, <font class="charliteral">'\0'</font>))
01090 _dbus_assert_not_reached (<font class="stringliteral">"no memory"</font>);
01091 _dbus_assert (!_dbus_keyring_validate_context (&context));
01092 _dbus_string_free (&context);
01093
01094 <font class="comment">/* Now verify that if we create a key in keyring 1,</font>
01095 <font class="comment"> * it is properly loaded in keyring 2</font>
01096 <font class="comment"> */</font>
01097
01098 _dbus_string_init_const (&context, <font class="stringliteral">"org_freedesktop_dbus_testsuite"</font>);
01099 dbus_error_init (&error);
01100 ring1 = _dbus_keyring_new_homedir (NULL, &context,
01101 &error);
01102 _dbus_assert (ring1);
01103 _dbus_assert (error.<a class="code" href="structDBusError.html#m0">name</a> == NULL);
01104
01105 id = _dbus_keyring_get_best_key (ring1, &error);
01106 <font class="keywordflow">if</font> (id < 0)
01107 {
01108 fprintf (stderr, <font class="stringliteral">"Could not load keyring: %s\n"</font>, error.<a class="code" href="structDBusError.html#m1">message</a>);
01109 dbus_error_free (&error);
01110 <font class="keywordflow">goto</font> failure;
01111 }
01112
01113 ring2 = _dbus_keyring_new_homedir (NULL, &context, &error);
01114 _dbus_assert (ring2);
01115 _dbus_assert (error.<a class="code" href="structDBusError.html#m0">name</a> == NULL);
01116
01117 <font class="keywordflow">if</font> (ring1-><a class="code" href="structDBusKeyring.html#m6">n_keys</a> != ring2-><a class="code" href="structDBusKeyring.html#m6">n_keys</a>)
01118 {
01119 fprintf (stderr, <font class="stringliteral">"Different number of keys in keyrings\n"</font>);
01120 <font class="keywordflow">goto</font> failure;
01121 }
01122
01123 <font class="comment">/* We guarantee we load and save keeping keys in a fixed</font>
01124 <font class="comment"> * order</font>
01125 <font class="comment"> */</font>
01126 i = 0;
01127 <font class="keywordflow">while</font> (i < ring1-><a class="code" href="structDBusKeyring.html#m6">n_keys</a>)
01128 {
01129 <font class="keywordflow">if</font> (ring1-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i].<a class="code" href="structDBusKey.html#m0">id</a> != ring2-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i].<a class="code" href="structDBusKey.html#m0">id</a>)
01130 {
01131 fprintf (stderr, <font class="stringliteral">"Keyring 1 has first key ID %d and keyring 2 has %d\n"</font>,
01132 ring1-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i].<a class="code" href="structDBusKey.html#m0">id</a>, ring2-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i].<a class="code" href="structDBusKey.html#m0">id</a>);
01133 <font class="keywordflow">goto</font> failure;
01134 }
01135
01136 <font class="keywordflow">if</font> (ring1-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i].<a class="code" href="structDBusKey.html#m1">creation_time</a> != ring2-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i].<a class="code" href="structDBusKey.html#m1">creation_time</a>)
01137 {
01138 fprintf (stderr, <font class="stringliteral">"Keyring 1 has first key time %ld and keyring 2 has %ld\n"</font>,
01139 ring1-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i].<a class="code" href="structDBusKey.html#m1">creation_time</a>, ring2-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i].<a class="code" href="structDBusKey.html#m1">creation_time</a>);
01140 <font class="keywordflow">goto</font> failure;
01141 }
01142
01143 <font class="keywordflow">if</font> (!_dbus_string_equal (&ring1-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i].<a class="code" href="structDBusKey.html#m2">secret</a>,
01144 &ring2-><a class="code" href="structDBusKeyring.html#m5">keys</a>[i].<a class="code" href="structDBusKey.html#m2">secret</a>))
01145 {
01146 fprintf (stderr, <font class="stringliteral">"Keyrings 1 and 2 have different secrets for same ID/timestamp\n"</font>);
01147 <font class="keywordflow">goto</font> failure;
01148 }
01149
01150 ++i;
01151 }
01152
01153 printf (<font class="stringliteral">" %d keys in test\n"</font>, ring1-><a class="code" href="structDBusKeyring.html#m6">n_keys</a>);
01154
01155 <font class="comment">/* Test ref/unref */</font>
01156 _dbus_keyring_ref (ring1);
01157 _dbus_keyring_ref (ring2);
01158 _dbus_keyring_unref (ring1);
01159 _dbus_keyring_unref (ring2);
01160
01161
01162 <font class="comment">/* really unref */</font>
01163 _dbus_keyring_unref (ring1);
01164 _dbus_keyring_unref (ring2);
01165
01166 <font class="keywordflow">return</font> TRUE;
01167
01168 failure:
01169 <font class="keywordflow">if</font> (ring1)
01170 _dbus_keyring_unref (ring1);
01171 <font class="keywordflow">if</font> (ring2)
01172 _dbus_keyring_unref (ring2);
01173
01174 <font class="keywordflow">return</font> FALSE;
01175 }
01176
01177 <font class="preprocessor">#endif </font><font class="comment">/* DBUS_BUILD_TESTS */</font>
01178
</pre></div><hr><address align="right"><small>Generated on Wed Jun 9 05:01:25 2004 for D-BUS by
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