146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include <getopt.h>
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#include <stdio.h>
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#include "device-private.h"
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#include "device-util.h"
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#include "string-util.h"
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#include "strv.h"
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#include "udev-builtin.h"
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static bool initialized;
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static const UdevBuiltin *const builtins[_UDEV_BUILTIN_MAX] = {
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#if HAVE_BLKID
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[UDEV_BUILTIN_BLKID] = &udev_builtin_blkid,
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#endif
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[UDEV_BUILTIN_BTRFS] = &udev_builtin_btrfs,
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[UDEV_BUILTIN_HWDB] = &udev_builtin_hwdb,
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[UDEV_BUILTIN_INPUT_ID] = &udev_builtin_input_id,
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[UDEV_BUILTIN_KEYBOARD] = &udev_builtin_keyboard,
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#if HAVE_KMOD
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[UDEV_BUILTIN_KMOD] = &udev_builtin_kmod,
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#endif
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[UDEV_BUILTIN_NET_ID] = &udev_builtin_net_id,
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[UDEV_BUILTIN_NET_LINK] = &udev_builtin_net_setup_link,
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[UDEV_BUILTIN_PATH_ID] = &udev_builtin_path_id,
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[UDEV_BUILTIN_USB_ID] = &udev_builtin_usb_id,
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#if HAVE_ACL
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[UDEV_BUILTIN_UACCESS] = &udev_builtin_uaccess,
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#endif
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};
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void udev_builtin_init(void) {
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unsigned i;
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if (initialized)
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return;
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for (i = 0; i < _UDEV_BUILTIN_MAX; i++)
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if (builtins[i] && builtins[i]->init)
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builtins[i]->init();
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initialized = true;
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}
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void udev_builtin_exit(void) {
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unsigned i;
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if (!initialized)
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return;
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for (i = 0; i < _UDEV_BUILTIN_MAX; i++)
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if (builtins[i] && builtins[i]->exit)
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builtins[i]->exit();
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initialized = false;
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}
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bool udev_builtin_validate(void) {
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unsigned i;
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for (i = 0; i < _UDEV_BUILTIN_MAX; i++)
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if (builtins[i] && builtins[i]->validate && builtins[i]->validate())
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return true;
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return false;
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}
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void udev_builtin_list(void) {
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unsigned i;
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for (i = 0; i < _UDEV_BUILTIN_MAX; i++)
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if (builtins[i])
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fprintf(stderr, " %-14s %s\n", builtins[i]->name, builtins[i]->help);
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}
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const char *udev_builtin_name(UdevBuiltinCommand cmd) {
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assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX);
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if (!builtins[cmd])
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return NULL;
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return builtins[cmd]->name;
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}
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bool udev_builtin_run_once(UdevBuiltinCommand cmd) {
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assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX);
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if (!builtins[cmd])
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return false;
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return builtins[cmd]->run_once;
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}
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UdevBuiltinCommand udev_builtin_lookup(const char *command) {
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UdevBuiltinCommand i;
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size_t n;
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assert(command);
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command += strspn(command, WHITESPACE);
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n = strcspn(command, WHITESPACE);
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for (i = 0; i < _UDEV_BUILTIN_MAX; i++)
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if (builtins[i] && strneq(builtins[i]->name, command, n))
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return i;
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return _UDEV_BUILTIN_INVALID;
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}
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int udev_builtin_run(sd_device *dev, UdevBuiltinCommand cmd, const char *command, bool test) {
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_cleanup_strv_free_ char **argv = NULL;
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int r;
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assert(dev);
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assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX);
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assert(command);
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if (!builtins[cmd])
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return -EOPNOTSUPP;
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r = strv_split_full(&argv, command, NULL, EXTRACT_UNQUOTE | EXTRACT_RELAX | EXTRACT_RETAIN_ESCAPE);
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if (r < 0)
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return r;
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/* we need '0' here to reset the internal state */
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optind = 0;
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return builtins[cmd]->cmd(dev, strv_length(argv), argv, test);
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}
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int udev_builtin_add_property(sd_device *dev, bool test, const char *key, const char *val) {
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int r;
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assert(dev);
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assert(key);
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r = device_add_property(dev, key, val);
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if (r < 0)
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return log_device_debug_errno(dev, r, "Failed to add property '%s%s%s'",
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key, val ? "=" : "", strempty(val));
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if (test)
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printf("%s=%s\n", key, strempty(val));
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return 0;
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}
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