diff --git a/libfprint/fprint-list-udev-rules.c b/libfprint/fprint-list-udev-rules.c new file mode 100644 index 0000000..45761da --- /dev/null +++ b/libfprint/fprint-list-udev-rules.c @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2009 Red Hat + * Copyright (C) 2008 Bastien Nocera + * Copyright (C) 2008 Timo Hoenig , + * Coypright (C) 2019 Benjamin Berg + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +#include "fpi-context.h" +#include "fpi-device.h" + +GHashTable *printed = NULL; + +static void +print_driver (const FpDeviceClass *cls) +{ + const FpIdEntry *entry; + gint num_printed = 0; + + if (cls->type != FP_DEVICE_TYPE_UDEV) + return; + + for (entry = cls->id_table; entry->udev_types != 0; entry++) + { + /* We only add rules for spidev right now. */ + if ((entry->udev_types & FPI_DEVICE_UDEV_SUBTYPE_SPIDEV) == 0) + continue; + + if (g_hash_table_lookup (printed, entry->spi_acpi_id) != NULL) + continue; + + g_hash_table_insert (printed, g_strdup (entry->spi_acpi_id), GINT_TO_POINTER (1)); + + if (num_printed == 0) + g_print ("# %s\n", cls->full_name); + + g_print ("ACTION==\"add|change\", SUBSYSTEM==\"spi\", ENV{MODALIAS}==\"acpi:%s:\", RUN{builtin}+=\"kmod load spi:spidev\", RUN+=\"/bin/sh -c 'echo spidev > %%S%%p/driver_override && echo %%k > %%S%%p/subsystem/drivers/spidev/bind'\"\n", + entry->spi_acpi_id); + num_printed++; + } + + if (num_printed > 0) + g_print ("\n"); +} + +int +main (int argc, char **argv) +{ + g_autoptr(GArray) drivers = fpi_get_driver_types (); + guint i; + + printed = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); + + g_print ("# This file is part of libfprint\n"); + g_print ("# Do not modify this file, it will get overwritten on updates.\n"); + g_print ("# To override or extend the rules place a file in /etc/udev/rules.d\n"); + g_print ("\n"); + + for (i = 0; i < drivers->len; i++) + { + GType driver = g_array_index (drivers, GType, i); + FpDeviceClass *cls = FP_DEVICE_CLASS (g_type_class_ref (driver)); + + if (cls->type != FP_DEVICE_TYPE_UDEV) + { + g_type_class_unref (cls); + continue; + } + + print_driver (cls); + + g_type_class_unref (cls); + } + + g_hash_table_destroy (printed); + + return 0; +} diff --git a/libfprint/meson.build b/libfprint/meson.build index 1bd37f3..f5688b3 100644 --- a/libfprint/meson.build +++ b/libfprint/meson.build @@ -329,6 +329,23 @@ udev_hwdb_generator = custom_target('udev-hwdb', install: false, ) +if udev_rules + udev_rules = executable('fprint-list-udev-rules', + 'fprint-list-udev-rules.c', + dependencies: libfprint_private_dep, + link_with: libfprint_drivers, + install: false) + + custom_target('udev-rules', + output: '70-@0@.rules'.format(versioned_libname), + depend_files: drivers_sources, + capture: true, + command: [ udev_rules ], + install: true, + install_dir: udev_rules_dir, + ) +endif + custom_target('sync-udev-hwdb', depends: udev_hwdb_generator, output: 'sync-udev-hwdb', diff --git a/meson.build b/meson.build index 39e07c4..53ad1a8 100644 --- a/meson.build +++ b/meson.build @@ -164,6 +164,9 @@ nss_dep = dependency('', required: false) imaging_dep = dependency('', required: false) gudev_dep = dependency('', required: false) libfprint_conf.set10('HAVE_PIXMAN', false) + +udev_rules = false + foreach driver: drivers if driver == 'uru4000' nss_dep = dependency('nss', required: false) @@ -180,6 +183,8 @@ foreach driver: drivers libfprint_conf.set10('HAVE_PIXMAN', true) endif if udev_drivers.contains(driver) + udev_rules = true + gudev_dep = dependency('gudev-1.0', required: false) if not gudev_dep.found() error('udev is required for SPI support') @@ -192,6 +197,14 @@ foreach driver: drivers endif endforeach +if udev_rules + udev_rules_dir = get_option('udev_rules_dir') + if udev_rules_dir == 'auto' + udev_dep = dependency('udev') + udev_rules_dir = udev_dep.get_pkgconfig_variable('udevdir') + '/hwdb.d' + endif +endif + supported_drivers = [] foreach driver: drivers if build_machine.endian() == 'little' or driver in endian_independent_drivers diff --git a/meson_options.txt b/meson_options.txt index f909ba7..8f43c88 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -6,8 +6,12 @@ option('introspection', description: 'Build GObject Introspection repository', type: 'boolean', value: true) +option('udev_rules_dir', + description: 'Installation path for udev rules', + type: 'string', + value: 'auto') option('udev_hwdb', - description: 'Whether to create a udev hwdb', + description: 'Whether to create a udev hwdb for autosuspend (included in systemd v248 and later)', type: 'feature', value: 'auto') option('udev_hwdb_dir',