char *default_cover_before;
char *default_cover_after;
int number_of_covers;
+
+ GList *requests;
+ GHashTable *auth;
+ gchar *username;
+ gboolean authentication_lock;
};
static GObjectClass *backend_parent_class;
gdouble height,
GIOChannel *cache_io);
+static void gtk_print_backend_cups_set_password (GtkPrintBackend *backend,
+ const gchar *hostname,
+ const gchar *username,
+ const gchar *password);
+
+void overwrite_and_free (gpointer data);
+static gboolean is_address_local (const gchar *address);
static void
gtk_print_backend_cups_register_type (GTypeModule *module)
backend_class->printer_get_default_page_size = cups_printer_get_default_page_size;
backend_class->printer_get_hard_margins = cups_printer_get_hard_margins;
backend_class->printer_get_capabilities = cups_printer_get_capabilities;
+ backend_class->set_password = gtk_print_backend_cups_set_password;
}
static cairo_status_t
cups_printer = GTK_PRINTER_CUPS (gtk_print_job_get_printer (job));
settings = gtk_print_job_get_settings (job);
- request = gtk_cups_request_new (NULL,
- GTK_CUPS_POST,
- IPP_PRINT_JOB,
- data_io,
- NULL,
- cups_printer->device_uri);
+ request = gtk_cups_request_new_with_username (NULL,
+ GTK_CUPS_POST,
+ IPP_PRINT_JOB,
+ data_io,
+ NULL,
+ cups_printer->device_uri,
+ GTK_PRINT_BACKEND_CUPS (print_backend)->username);
#if (CUPS_VERSION_MAJOR == 1 && CUPS_VERSION_MINOR >= 2) || CUPS_VERSION_MAJOR > 1
httpAssembleURIf (HTTP_URI_CODING_ALL,
(GDestroyNotify)cups_free_print_stream_data);
}
+void overwrite_and_free (gpointer data)
+{
+ gchar *password = (gchar *) data;
+
+ if (password != NULL)
+ {
+ memset (password, 0, strlen (password));
+ g_free (password);
+ }
+}
static void
gtk_print_backend_cups_init (GtkPrintBackendCups *backend_cups)
backend_cups->got_default_printer = FALSE;
backend_cups->list_printers_pending = FALSE;
+ backend_cups->requests = NULL;
+ backend_cups->auth = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, overwrite_and_free);
+ backend_cups->authentication_lock = FALSE;
+
backend_cups->covers = NULL;
backend_cups->default_cover_before = NULL;
backend_cups->default_cover_after = NULL;
backend_cups->default_printer_poll = 0;
backend_cups->cups_connection_test = NULL;
+ backend_cups->username = NULL;
+
cups_get_local_default_printer (backend_cups);
}
gtk_cups_connection_test_free (backend_cups->cups_connection_test);
backend_cups->cups_connection_test = NULL;
+ g_hash_table_destroy (backend_cups->auth);
+
+ g_free (backend_cups->username);
+
backend_parent_class->finalize (object);
}
backend_parent_class->dispose (object);
}
+static gboolean
+is_address_local (const gchar *address)
+{
+ if (address[0] == '/' ||
+ strcmp (address, "127.0.0.1") == 0 ||
+ strcmp (address, "[::1]") == 0)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+static void
+gtk_print_backend_cups_set_password (GtkPrintBackend *backend,
+ const gchar *hostname,
+ const gchar *username,
+ const gchar *password)
+{
+ GtkPrintBackendCups *cups_backend = GTK_PRINT_BACKEND_CUPS (backend);
+ GList *l;
+ char dispatch_hostname[HTTP_MAX_URI];
+ gchar *key;
+
+ key = g_strconcat (username, "@", hostname, NULL);
+ g_hash_table_insert (cups_backend->auth, key, g_strdup (password));
+
+ g_free (cups_backend->username);
+ cups_backend->username = g_strdup (username);
+
+ GTK_NOTE (PRINTING,
+ g_print ("CUPS backend: storing password for %s\n", key));
+
+ for (l = cups_backend->requests; l; l = l->next)
+ {
+ GtkPrintCupsDispatchWatch *dispatch = l->data;
+
+ httpGetHostname (dispatch->request->http, dispatch_hostname, sizeof (dispatch_hostname));
+ if (is_address_local (dispatch_hostname))
+ strcpy (dispatch_hostname, "localhost");
+
+ if (strcmp (hostname, dispatch_hostname) == 0)
+ {
+ overwrite_and_free (dispatch->request->password);
+ dispatch->request->password = g_strdup (password);
+ g_free (dispatch->request->username);
+ dispatch->request->username = g_strdup (username);
+ dispatch->request->password_state = GTK_CUPS_PASSWORD_HAS;
+ dispatch->backend->authentication_lock = FALSE;
+ }
+ }
+}
+
+static gboolean
+request_password (gpointer data)
+{
+ GtkPrintCupsDispatchWatch *dispatch = data;
+ const gchar *username;
+ gchar *password;
+ gchar *prompt = NULL;
+ gchar *key = NULL;
+ char hostname[HTTP_MAX_URI];
+
+ if (dispatch->backend->authentication_lock)
+ return FALSE;
+
+ httpGetHostname (dispatch->request->http, hostname, sizeof (hostname));
+ if (is_address_local (hostname))
+ strcpy (hostname, "localhost");
+
+ if (dispatch->backend->username != NULL)
+ username = dispatch->backend->username;
+ else
+ username = cupsUser ();
+
+ key = g_strconcat (username, "@", hostname, NULL);
+ password = g_hash_table_lookup (dispatch->backend->auth, key);
+
+ if (password && dispatch->request->password_state != GTK_CUPS_PASSWORD_NOT_VALID)
+ {
+ GTK_NOTE (PRINTING,
+ g_print ("CUPS backend: using stored password for %s\n", key));
+
+ overwrite_and_free (dispatch->request->password);
+ dispatch->request->password = g_strdup (password);
+ g_free (dispatch->request->username);
+ dispatch->request->username = g_strdup (username);
+ dispatch->request->password_state = GTK_CUPS_PASSWORD_HAS;
+ }
+ else
+ {
+ const char *job_title = gtk_cups_request_ipp_get_string (dispatch->request, IPP_TAG_NAME, "job-name");
+ const char *printer_uri = gtk_cups_request_ipp_get_string (dispatch->request, IPP_TAG_URI, "printer-uri");
+ char *printer_name = NULL;
+
+ if (printer_uri != NULL && strrchr (printer_uri, '/') != NULL)
+ printer_name = g_strdup (strrchr (printer_uri, '/') + 1);
+
+ if (dispatch->request->password_state == GTK_CUPS_PASSWORD_NOT_VALID)
+ g_hash_table_remove (dispatch->backend->auth, key);
+
+ dispatch->request->password_state = GTK_CUPS_PASSWORD_REQUESTED;
+
+ dispatch->backend->authentication_lock = TRUE;
+
+ switch (dispatch->request->ipp_request->request.op.operation_id)
+ {
+ case 0:
+ prompt = g_strdup_printf ( _("Authentication is required to get a file from %s"), hostname);
+ break;
+ case IPP_PRINT_JOB:
+ if (job_title != NULL && printer_name != NULL)
+ prompt = g_strdup_printf ( _("Authentication is required to print document '%s' on printer %s"), job_title, printer_name);
+ else
+ prompt = g_strdup_printf ( _("Authentication is required to print a document on %s"), hostname);
+ break;
+ case IPP_GET_JOB_ATTRIBUTES:
+ if (job_title != NULL)
+ prompt = g_strdup_printf ( _("Authentication is required to get attributes of job '%s'"), job_title);
+ else
+ prompt = g_strdup ( _("Authentication is required to get attributes of a job"));
+ break;
+ case IPP_GET_PRINTER_ATTRIBUTES:
+ if (printer_name != NULL)
+ prompt = g_strdup_printf ( _("Authentication is required to get attributes of printer %s"), printer_name);
+ else
+ prompt = g_strdup ( _("Authentication is required to get attributes of a printer"));
+ break;
+ case CUPS_GET_DEFAULT:
+ prompt = g_strdup_printf ( _("Authentication is required to get default printer of %s"), hostname);
+ break;
+ case CUPS_GET_PRINTERS:
+ prompt = g_strdup_printf ( _("Authentication is required to get printers from %s"), hostname);
+ break;
+ default:
+ prompt = g_strdup_printf ( _("Authentication is required on %s"), hostname);
+ break;
+ }
+
+ g_free (printer_name);
+
+ g_signal_emit_by_name (dispatch->backend, "request-password",
+ hostname, username, prompt);
+
+ g_free (prompt);
+ }
+
+ g_free (key);
+
+ return FALSE;
+}
static gboolean
cups_dispatch_watch_check (GSource *source)
#endif
}
- if (poll_state != GTK_CUPS_HTTP_IDLE)
+ if (poll_state != GTK_CUPS_HTTP_IDLE && !dispatch->request->need_password)
if (!(dispatch->data_poll->revents & dispatch->data_poll->events))
return FALSE;
g_free (dispatch->data_poll);
dispatch->data_poll = NULL;
}
+
+ if (dispatch->request->need_password && dispatch->request->password_state != GTK_CUPS_PASSWORD_REQUESTED)
+ {
+ dispatch->request->need_password = FALSE;
+ g_idle_add (request_password, dispatch);
+ result = FALSE;
+ }
return result;
}
cups_dispatch_watch_finalize (GSource *source)
{
GtkPrintCupsDispatchWatch *dispatch;
+ GtkCupsResult *result;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s <source %p>\n", G_STRFUNC, source));
dispatch = (GtkPrintCupsDispatchWatch *) source;
+ result = gtk_cups_request_get_result (dispatch->request);
+ if (gtk_cups_result_get_error_type (result) == GTK_CUPS_ERROR_AUTH)
+ {
+ const gchar *username;
+ gchar hostname[HTTP_MAX_URI];
+ gchar *key;
+
+ httpGetHostname (dispatch->request->http, hostname, sizeof (hostname));
+ if (is_address_local (hostname))
+ strcpy (hostname, "localhost");
+
+ if (dispatch->backend->username != NULL)
+ username = dispatch->backend->username;
+ else
+ username = cupsUser ();
+
+ key = g_strconcat (username, "@", hostname, NULL);
+ GTK_NOTE (PRINTING,
+ g_print ("CUPS backend: removing stored password for %s\n", key));
+ g_hash_table_remove (dispatch->backend->auth, key);
+ g_free (key);
+
+ if (dispatch->backend)
+ dispatch->backend->authentication_lock = FALSE;
+ }
+
gtk_cups_request_free (dispatch->request);
if (dispatch->backend)
* of print backends. See _gtk_print_backend_create for the
* disabling.
*/
+
+ dispatch->backend->requests = g_list_remove (dispatch->backend->requests, dispatch);
+
+
g_object_unref (dispatch->backend);
dispatch->backend = NULL;
}
dispatch->backend = g_object_ref (print_backend);
dispatch->data_poll = NULL;
+ print_backend->requests = g_list_prepend (print_backend->requests, dispatch);
+
g_source_set_callback ((GSource *) dispatch, (GSourceFunc) callback, user_data, notify);
g_source_attach ((GSource *) dispatch, NULL);
"job-sheets-default"
};
- request = gtk_cups_request_new (NULL,
- GTK_CUPS_POST,
- IPP_GET_PRINTER_ATTRIBUTES,
- NULL,
- NULL,
- NULL);
+ request = gtk_cups_request_new_with_username (NULL,
+ GTK_CUPS_POST,
+ IPP_GET_PRINTER_ATTRIBUTES,
+ NULL,
+ NULL,
+ NULL,
+ print_backend->username);
printer_uri = g_strdup_printf ("ipp://localhost/printers/%s",
printer_name);
GtkCupsRequest *request;
gchar *job_uri;
- request = gtk_cups_request_new (NULL,
- GTK_CUPS_POST,
- IPP_GET_JOB_ATTRIBUTES,
- NULL,
- NULL,
- NULL);
+ request = gtk_cups_request_new_with_username (NULL,
+ GTK_CUPS_POST,
+ IPP_GET_JOB_ATTRIBUTES,
+ NULL,
+ NULL,
+ NULL,
+ data->print_backend->username);
job_uri = g_strdup_printf ("ipp://localhost/jobs/%d", data->job_id);
gtk_cups_request_ipp_add_string (request, IPP_TAG_OPERATION, IPP_TAG_URI,
if (gtk_cups_result_is_error (result))
{
GTK_NOTE (PRINTING,
- g_warning ("CUPS Backend: Error getting printer list: %s",
- gtk_cups_result_get_error_string (result)));
+ g_warning ("CUPS Backend: Error getting printer list: %s %d %d",
+ gtk_cups_result_get_error_string (result),
+ gtk_cups_result_get_error_type (result),
+ gtk_cups_result_get_error_code (result)));
+
+ if (gtk_cups_result_get_error_type (result) == GTK_CUPS_ERROR_AUTH &&
+ gtk_cups_result_get_error_code (result) == 1)
+ {
+ /* Canceled by user, stop popping up more password dialogs */
+ if (cups_backend->list_printers_poll > 0)
+ g_source_remove (cups_backend->list_printers_poll);
+ cups_backend->list_printers_poll = 0;
+ }
goto done;
}
cups_backend->list_printers_pending = TRUE;
- request = gtk_cups_request_new (NULL,
- GTK_CUPS_POST,
- CUPS_GET_PRINTERS,
- NULL,
- NULL,
- NULL);
+ request = gtk_cups_request_new_with_username (NULL,
+ GTK_CUPS_POST,
+ CUPS_GET_PRINTERS,
+ NULL,
+ NULL,
+ NULL,
+ cups_backend->username);
gtk_cups_request_ipp_add_strings (request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
"requested-attributes", G_N_ELEMENTS (pattrs),
resource = g_strdup_printf ("/printers/%s.ppd",
gtk_printer_cups_get_ppd_name (GTK_PRINTER_CUPS (printer)));
- request = gtk_cups_request_new (data->http,
- GTK_CUPS_GET,
- 0,
- data->ppd_io,
- cups_printer->hostname,
- resource);
+ print_backend = gtk_printer_get_backend (printer);
+
+ request = gtk_cups_request_new_with_username (data->http,
+ GTK_CUPS_GET,
+ 0,
+ data->ppd_io,
+ cups_printer->hostname,
+ resource,
+ GTK_PRINT_BACKEND_CUPS (print_backend)->username);
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: Requesting resource %s to be written to temp file %s\n", resource, ppd_filename));
- g_free (resource);
- g_free (ppd_filename);
cups_printer->reading_ppd = TRUE;
- print_backend = gtk_printer_get_backend (printer);
-
cups_request_execute (GTK_PRINT_BACKEND_CUPS (print_backend),
request,
(GtkPrintCupsResponseCallbackFunc) cups_request_ppd_cb,
data,
(GDestroyNotify)get_ppd_data_free);
+
+ g_free (resource);
+ g_free (ppd_filename);
}
/* Ordering matters for default preference */
GDK_THREADS_ENTER ();
+ if (gtk_cups_result_is_error (result))
+ {
+ if (gtk_cups_result_get_error_type (result) == GTK_CUPS_ERROR_AUTH &&
+ gtk_cups_result_get_error_code (result) == 1)
+ {
+ /* Canceled by user, stop popping up more password dialogs */
+ if (print_backend->list_printers_poll > 0)
+ g_source_remove (print_backend->list_printers_poll);
+ print_backend->list_printers_poll = 0;
+ }
+
+ return;
+ }
+
response = gtk_cups_result_get_response (result);
if ((attr = ippFindAttribute (response, "printer-name", IPP_TAG_NAME)) != NULL)
if (state == GTK_CUPS_CONNECTION_IN_PROGRESS || state == GTK_CUPS_CONNECTION_NOT_AVAILABLE)
return TRUE;
- request = gtk_cups_request_new (NULL,
- GTK_CUPS_POST,
- CUPS_GET_DEFAULT,
- NULL,
- NULL,
- NULL);
+ request = gtk_cups_request_new_with_username (NULL,
+ GTK_CUPS_POST,
+ CUPS_GET_DEFAULT,
+ NULL,
+ NULL,
+ NULL,
+ print_backend->username);
cups_request_execute (print_backend,
request,
projects / ~andy / gtk / blobdiff