1 files changed, 136 insertions, 0 deletions
diff --git a/src/udev/udev-builtin.c b/src/udev/udev-builtin.c
new file mode 100644
index 0000000..c98c6fa
--- /dev/null
+++ b/src/udev/udev-builtin.c
@@ -0,0 +1,136 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <getopt.h>
+#include <stdio.h>
+
+#include "device-private.h"
+#include "device-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "udev-builtin.h"
+
+static bool initialized;
+
+static const UdevBuiltin *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) {
+        if (initialized)
+                return;
+
+        for (UdevBuiltinCommand i = 0; i < _UDEV_BUILTIN_MAX; i++)
+                if (builtins[i] && builtins[i]->init)
+                        builtins[i]->init();
+
+        initialized = true;
+}
+
+void udev_builtin_exit(void) {
+        if (!initialized)
+                return;
+
+        for (UdevBuiltinCommand i = 0; i < _UDEV_BUILTIN_MAX; i++)
+                if (builtins[i] && builtins[i]->exit)
+                        builtins[i]->exit();
+
+        initialized = false;
+}
+
+bool udev_builtin_should_reload(void) {
+        for (UdevBuiltinCommand i = 0; i < _UDEV_BUILTIN_MAX; i++)
+                if (builtins[i] && builtins[i]->should_reload && builtins[i]->should_reload())
+                        return true;
+        return false;
+}
+
+void udev_builtin_list(void) {
+        for (UdevBuiltinCommand 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(UdevBuiltinCommand cmd) {
+        assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX);
+
+        if (!builtins[cmd])
+                return NULL;
+
+        return builtins[cmd]->name;
+}
+
+bool udev_builtin_run_once(UdevBuiltinCommand cmd) {
+        assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX);
+
+        if (!builtins[cmd])
+                return false;
+
+        return builtins[cmd]->run_once;
+}
+
+UdevBuiltinCommand udev_builtin_lookup(const char *command) {
+        size_t n;
+
+        assert(command);
+
+        command += strspn(command, WHITESPACE);
+        n = strcspn(command, WHITESPACE);
+        for (UdevBuiltinCommand 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, sd_netlink **rtnl, UdevBuiltinCommand cmd, const char *command, bool test) {
+        _cleanup_strv_free_ char **argv = NULL;
+        int r;
+
+        assert(dev);
+        assert(cmd >= 0 && cmd < _UDEV_BUILTIN_MAX);
+        assert(command);
+
+        if (!builtins[cmd])
+                return -EOPNOTSUPP;
+
+        r = strv_split_full(&argv, command, NULL, EXTRACT_UNQUOTE | EXTRACT_RELAX | EXTRACT_RETAIN_ESCAPE);
+        if (r < 0)
+                return r;
+
+        /* we need '0' here to reset the internal state */
+        optind = 0;
+        return builtins[cmd]->cmd(dev, rtnl, 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;
+}