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/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
Copyright 2007-2012 Kay Sievers <kay@vrfy.org>
systemd 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.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <getopt.h>
#include <stdio.h>
#include <string.h>
#include "string-util.h"
#include "udev.h"
static bool initialized;
static const struct udev_builtin *builtins[] = {
#if HAVE_BLKID
[UDEV_BUILTIN_BLKID] = &udev_builtin_blkid,
#endif
[UDEV_BUILTIN_BTRFS] = &udev_builtin_btrfs,
[UDEV_BUILTIN_HWDB] = &udev_builtin_hwdb,
[UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id,
[UDEV_BUILTIN_KEYBOARD] = &udev_builtin_keyboard,
#if HAVE_KMOD
[UDEV_BUILTIN_KMOD] = &udev_builtin_kmod,
#endif
[UDEV_BUILTIN_NET_ID] = &udev_builtin_net_id,
[UDEV_BUILTIN_NET_LINK] = &udev_builtin_net_setup_link,
[UDEV_BUILTIN_PATH_ID] = &udev_builtin_path_id,
[UDEV_BUILTIN_USB_ID] = &udev_builtin_usb_id,
#if HAVE_ACL
[UDEV_BUILTIN_UACCESS] = &udev_builtin_uaccess,
#endif
};
void udev_builtin_init(struct udev *udev) {
unsigned int i;
if (initialized)
return;
for (i = 0; i < ELEMENTSOF(builtins); i++)
if (builtins[i] && builtins[i]->init)
builtins[i]->init(udev);
initialized = true;
}
void udev_builtin_exit(struct udev *udev) {
unsigned int i;
if (!initialized)
return;
for (i = 0; i < ELEMENTSOF(builtins); i++)
if (builtins[i] && builtins[i]->exit)
builtins[i]->exit(udev);
initialized = false;
}
bool udev_builtin_validate(struct udev *udev) {
unsigned int i;
for (i = 0; i < ELEMENTSOF(builtins); i++)
if (builtins[i] && builtins[i]->validate && builtins[i]->validate(udev))
return true;
return false;
}
void udev_builtin_list(struct udev *udev) {
unsigned int i;
for (i = 0; i < ELEMENTSOF(builtins); i++)
if (builtins[i])
fprintf(stderr, " %-14s %s\n", builtins[i]->name, builtins[i]->help);
}
const char *udev_builtin_name(enum udev_builtin_cmd cmd) {
if (!builtins[cmd])
return NULL;
return builtins[cmd]->name;
}
bool udev_builtin_run_once(enum udev_builtin_cmd cmd) {
if (!builtins[cmd])
return false;
return builtins[cmd]->run_once;
}
enum udev_builtin_cmd udev_builtin_lookup(const char *command) {
char name[UTIL_PATH_SIZE];
enum udev_builtin_cmd i;
char *pos;
strscpy(name, sizeof(name), command);
pos = strchr(name, ' ');
if (pos)
pos[0] = '\0';
for (i = 0; i < ELEMENTSOF(builtins); i++)
if (builtins[i] && streq(builtins[i]->name, name))
return i;
return UDEV_BUILTIN_MAX;
}
int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test) {
char arg[UTIL_PATH_SIZE];
int argc;
char *argv[128];
if (!builtins[cmd])
return -EOPNOTSUPP;
/* we need '0' here to reset the internal state */
optind = 0;
strscpy(arg, sizeof(arg), command);
udev_build_argv(udev_device_get_udev(dev), arg, &argc, argv);
return builtins[cmd]->cmd(dev, argc, argv, test);
}
int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val) {
udev_device_add_property(dev, key, val);
if (test)
printf("%s=%s\n", key, val);
return 0;
}
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