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settings: avoid assertion for LoadConnections D-Bus method with relative paths

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$ busctl call org.freedesktop.NetworkManager /org/freedesktop/NetworkManager/Settings org.freedesktop.NetworkManager.Settings LoadConnections as 1 relative/filename

triggers a g_critical() assertion in nm_utils_file_is_in_path():

  ...
  #3  0x00007ffff7a19e7d in g_return_if_fail_warning
      (log_domain=log_domain@entry=0x55555586c333 "NetworkManager", pretty_function=pretty_function@entry=0x55555586c0a0 <__FUNCTION__.38585> "nm_utils_file_is_in_path", expression=expression@entry=0x55555586c010 "abs_filename && abs_filename[0] == '/'") at ../glib/gmessages.c:2767
  #4  0x00005555555f1128 in nm_utils_file_is_in_path (abs_filename=abs_filename@entry=0x555555b56670 "dfd", abs_path=<optimized out>) at src/NetworkManagerUtils.c:1077
  #5  0x00005555555a4779 in load_connection (config=<optimized out>, filename=0x555555b56670 "dfd") at src/settings/plugins/keyfile/nms-keyfile-plugin.c:522
  #6  0x00005555557ce291 in nm_settings_plugin_load_connection (self=0x5555559fd400 [NMSKeyfilePlugin], filename=0x555555b56670 "dfd") at src/settings/nm-settings-plugin.c:70
  #7  0x000055555559ccdf in impl_settings_load_connections
      (obj=<optimized out>, interface_info=<optimized out>, method_info=<optimized out>, connection=<optimized out>, sender=<optimized out>, invocation=0x7fffe0015ed0 [GDBusMethodInvocation], parameters=<optimized out>) at src/settings/nm-settings.c:1439
  #8  0x00005555555a9bf9 in dbus_vtable_method_call
      (connection=0x5555559b91b0 [GDBusConnection], sender=sender@entry=0x555555b5c360 ":1.32283", object_path=object_path@entry=0x7fffe0019070 "/org/freedesktop/NetworkManager/Settings", interface_name=<optimized out>, interface_name@entry=0x7fffe002aa70 "org.freedesktop.NetworkManager.Settings", method_name=<optimized out>,
      method_name@entry=0x7fffe00276b0 "LoadConnections", parameters=parameters@entry=0x555555c4a690, invocation=0x7fffe0015ed0 [GDBusMethodInvocation], user_data=0x5555559a1a00)
      at src/nm-dbus-manager.c:947
  #9  0x00007ffff7c506c4 in call_in_idle_cb (user_data=user_data@entry=0x7fffe0015ed0) at ../gio/gdbusconnection.c:4874
  #10 0x00007ffff7a0e8eb in g_idle_dispatch (source=source@entry=0x7fffe00208a0, callback=0x7ffff7c50590 <call_in_idle_cb>, user_data=0x7fffe0015ed0) at ../glib/gmain.c:5627
  #11 0x00007ffff7a11fd0 in g_main_dispatch (context=0x555555994d00) at ../glib/gmain.c:3189
  #12 0x00007ffff7a11fd0 in g_main_context_dispatch (context=context@entry=0x555555994d00) at ../glib/gmain.c:3854
  #13 0x00007ffff7a12368 in g_main_context_iterate (context=0x555555994d00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:3927
  #14 0x00007ffff7a126b3 in g_main_loop_run (loop=0x555555995e60) at ../glib/gmain.c:4123
  #15 0x000055555558a741 in main (argc=<optimized out>, argv=<optimized out>) at src/main.c:444

Filter out relative filenames early.
This commit is contained in:
Thomas Haller 2019-05-10 14:35:52 +02:00
parent db46d9b823
commit a1b102eae4
1 changed files with 18 additions and 13 deletions
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31
src/settings/nm-settings.c
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@ -1414,8 +1414,6 @@ impl_settings_load_connections (NMDBusObject *obj,
NMSettings *self = NM_SETTINGS (obj);
NMSettingsPrivate *priv = NM_SETTINGS_GET_PRIVATE (self);
gs_unref_ptrarray GPtrArray *failures = NULL;
GSList *iter;
guint i;
gs_free const char **filenames = NULL;
g_variant_get (parameters, "(^a&s)", &filenames);
@ -1432,21 +1430,28 @@ impl_settings_load_connections (NMDBusObject *obj,
return;
if (filenames) {
gsize i;
for (i = 0; filenames[i]; i++) {
for (iter = priv->plugins; iter; iter = g_slist_next (iter)) {
NMSettingsPlugin *plugin = NM_SETTINGS_PLUGIN (iter->data);
GSList *iter;
if (nm_settings_plugin_load_connection (plugin, filenames[i]))
break;
if (filenames[i][0] != '/')
_LOGW ("load: connection filename '%s' is not an absolute path", filenames[i]);
else {
for (iter = priv->plugins; iter; iter = iter->next) {
NMSettingsPlugin *plugin = NM_SETTINGS_PLUGIN (iter->data);
if (nm_settings_plugin_load_connection (plugin, filenames[i]))
goto next_filename;
}
}
if (!iter) {
if (!g_path_is_absolute (filenames[i]))
_LOGW ("connection filename '%s' is not an absolute path", filenames[i]);
if (!failures)
failures = g_ptr_array_new ();
g_ptr_array_add (failures, (char *) filenames[i]);
}
if (!failures)
failures = g_ptr_array_new ();
g_ptr_array_add (failures, (char *) filenames[i]);
next_filename:
;
}
}