Userland/Libraries: Add LibUSBDB library

Simple clone of LibPCIDB to support USB IDs instead of PCI
ones. The format is basically identical, besides a few changes
of the double tab fields.

1 files changed, 18 insertions, 2 deletions

diff --git a/Userland/Utilities/lsusb.cpp b/Userland/Utilities/lsusb.cpp
index 3859e064c7..da7d7f3ad1 100644
--- a/Userland/Utilities/lsusb.cpp
+++ b/Userland/Utilities/lsusb.cpp
@@ -12,6 +12,7 @@
 #include <LibCore/ArgsParser.h>
 #include <LibCore/DirIterator.h>
 #include <LibCore/File.h>
+#include <LibUSBDB/Database.h>
 #include <stdio.h>
 #include <unistd.h>
 
@@ -27,6 +28,11 @@ int main(int argc, char** argv)
         return 1;
     }
 
+    if (unveil("/res/usb.ids", "r") < 0) {
+        perror("unveil");
+        return 1;
+    }
+
     if (unveil(nullptr, nullptr) < 0) {
         perror("unveil");
         return 1;
@@ -38,6 +44,11 @@ int main(int argc, char** argv)
 
     Core::DirIterator usb_devices("/proc/bus/usb", Core::DirIterator::SkipDots);
 
+    RefPtr<USBDB::Database> usb_db = USBDB::Database::open();
+    if (!usb_db) {
+        warnln("Failed to open usb.ids");
+    }
+
     while (usb_devices.has_next()) {
         auto full_path = LexicalPath(usb_devices.next_full_path());
 
@@ -52,13 +63,18 @@ int main(int argc, char** argv)
         auto json = JsonValue::from_string(contents);
         VERIFY(json.has_value());
 
-        json.value().as_array().for_each([bus_id](auto& value) {
+        json.value().as_array().for_each([bus_id, usb_db](auto& value) {
             auto& device_descriptor = value.as_object();
 
             auto vendor_id = device_descriptor.get("vendor_id").to_u32();
             auto product_id = device_descriptor.get("product_id").to_u32();
 
-            outln("Device {}: ID {:04x}:{:04x}", bus_id, vendor_id, product_id);
+            StringView vendor_string = usb_db->get_vendor(vendor_id);
+            StringView device_string = usb_db->get_device(vendor_id, product_id);
+            if (device_string.is_empty())
+                device_string = "Unknown Device";
+
+            outln("Device {}: ID {:04x}:{:04x} {} {}", bus_id, vendor_id, product_id, vendor_string, device_string);
         });
     }