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Userland/Libraries: Add LibUSBDB library

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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.
This commit is contained in:
Jesse Buhagiar 2021-06-10 00:24:04 +10:00 • committed by Ali Mohammad Pur
parent 119b8a2692
commit 01cd474930
7 changed files with 338 additions and 2 deletions
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20
Userland/Utilities/lsusb.cpp
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@ -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);
});
}