/* SPDX-License-Identifier: LGPL-2.1+ */ #include #include #include #include "device-private.h" #include "device-util.h" #include "string-util.h" #include "strv.h" #include "udev-builtin.h" static bool initialized; static const struct udev_builtin *const builtins[_UDEV_BUILTIN_MAX] = { #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(void) { unsigned i; if (initialized) return; for (i = 0; i < _UDEV_BUILTIN_MAX; i++) if (builtins[i] && builtins[i]->init) builtins[i]->init(); initialized = true; } void udev_builtin_exit(void) { unsigned i; if (!initialized) return; for (i = 0; i < _UDEV_BUILTIN_MAX; i++) if (builtins[i] && builtins[i]->exit) builtins[i]->exit(); initialized = false; } bool udev_builtin_validate(void) { unsigned i; for (i = 0; i < _UDEV_BUILTIN_MAX; i++) if (builtins[i] && builtins[i]->validate && builtins[i]->validate()) return true; return false; } void udev_builtin_list(void) { unsigned i; for (i = 0; i < _UDEV_BUILTIN_MAX; 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) { assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX); if (!builtins[cmd]) return NULL; return builtins[cmd]->name; } bool udev_builtin_run_once(enum udev_builtin_cmd cmd) { assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX); if (!builtins[cmd]) return false; return builtins[cmd]->run_once; } enum udev_builtin_cmd udev_builtin_lookup(const char *command) { enum udev_builtin_cmd i; size_t n; assert(command); command += strspn(command, WHITESPACE); n = strcspn(command, WHITESPACE); for (i = 0; i < _UDEV_BUILTIN_MAX; i++) if (builtins[i] && strneq(builtins[i]->name, command, n)) return i; return _UDEV_BUILTIN_INVALID; } int udev_builtin_run(sd_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test) { _cleanup_strv_free_ char **argv = NULL; assert(dev); assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX); assert(command); if (!builtins[cmd]) return -EOPNOTSUPP; argv = strv_split_full(command, NULL, SPLIT_QUOTES | SPLIT_RELAX); if (!argv) return -ENOMEM; /* we need '0' here to reset the internal state */ optind = 0; return builtins[cmd]->cmd(dev, strv_length(argv), argv, test); } int udev_builtin_add_property(sd_device *dev, bool test, const char *key, const char *val) { int r; assert(dev); assert(key); r = device_add_property(dev, key, val); if (r < 0) return log_device_debug_errno(dev, r, "Failed to add property '%s%s%s'", key, val ? "=" : "", strempty(val)); if (test) printf("%s=%s\n", key, strempty(val)); return 0; }