/*** 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 <stdio.h> #include <string.h> #include <getopt.h> #include "udev.h" static bool initialized; static const struct udev_builtin *builtins[] = { #ifdef 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, #ifdef 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, #ifdef 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; }