/*
+ * usb-db, pci-db - lookup vendor/product database
+ *
* Copyright (C) 2009 Lennart Poettering <lennart@poettering.net>
+ * Copyright (C) 2011 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details:
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
-#include <libudev.h>
-
-#if defined(BUILD_FOR_USB)
-# define DATABASE USB_DATABASE
-# define SUBSYSTEM "usb"
-# define DEVTYPE "usb_device"
-# define VENDOR_ATTR "idVendor"
-# define PRODUCT_ATTR "idProduct"
-#elif defined(BUILD_FOR_PCI)
-# define DATABASE PCI_DATABASE
-# define SUBSYSTEM "pci"
-# define DEVTYPE NULL
-# define VENDOR_ATTR "vendor"
-# define PRODUCT_ATTR "device"
-#else
-# error "Are you havin' a laugh?"
-#endif
+#include "udev.h"
static int get_id_attr(
struct udev_device *parent,
static int get_vid_pid(
struct udev_device *parent,
+ const char *vendor_attr,
+ const char *product_attr,
uint16_t *vid,
uint16_t *pid) {
- if (get_id_attr(parent, VENDOR_ATTR, vid) < 0)
+ if (get_id_attr(parent, vendor_attr, vid) < 0)
return -1;
else if (*vid <= 0) {
fprintf(stderr, "Invalid vendor id.\n");
return -1;
}
- if (get_id_attr(parent, PRODUCT_ATTR, pid) < 0)
+ if (get_id_attr(parent, product_attr, pid) < 0)
return -1;
return 0;
#define HEXCHARS "0123456789abcdefABCDEF"
#define WHITESPACE " \t\n\r"
-
-static int lookup_vid_pid(
- uint16_t vid,
- uint16_t pid,
- char **vendor,
- char **product) {
+static int lookup_vid_pid(const char *database,
+ uint16_t vid, uint16_t pid,
+ char **vendor, char **product)
+{
FILE *f;
int ret = -1;
*vendor = *product = NULL;
- if (!(f = fopen(DATABASE, "r"))) {
- fprintf(stderr, "Failed to open database file "DATABASE": %s\n", strerror(errno));
+ if (!(f = fopen(database, "rme"))) {
+ fprintf(stderr, "Failed to open database file '%s': %s\n", database, strerror(errno));
return -1;
}
}
return dev;
try_parent:
- return udev_device_get_parent_with_subsystem_devtype(dev, SUBSYSTEM, DEVTYPE);
+ return udev_device_get_parent_with_subsystem_devtype(dev, subsys, devtype);
}
-int main(int argc, char*argv[]) {
- struct udev *udev = NULL;
- int ret = 1;
- char *sp;
- struct udev_device *dev = NULL, *parent = NULL;
+static int builtin_db(struct udev_device *dev, bool test,
+ const char *database,
+ const char *vendor_attr, const char *product_attr,
+ const char *subsys, const char *devtype)
+{
+ struct udev_device *parent;
uint16_t vid = 0, pid = 0;
char *vendor = NULL, *product = NULL;
- if (argc < 2) {
- fprintf(stderr, "Need to pass sysfs path.\n");
- goto finish;
- }
-
- if (!(udev = udev_new()))
- goto finish;
-
- if (asprintf(&sp, "%s%s", udev_get_sys_path(udev), argv[1]) < 0) {
- fprintf(stderr, "Failed to allocate sysfs path.\n");
- goto finish;
- }
-
- dev = udev_device_new_from_syspath(udev, sp);
- free(sp);
-
- if (!dev) {
- fprintf(stderr, "Failed to access %s.\n", argv[1]);
- goto finish;
- }
-
- parent = find_device(dev, SUBSYSTEM, DEVTYPE);
+ parent = find_device(dev, subsys, devtype);
if (!parent) {
fprintf(stderr, "Failed to find device.\n");
goto finish;
}
- if (get_vid_pid(parent, &vid, &pid) < 0)
+ if (get_vid_pid(parent, vendor_attr, product_attr, &vid, &pid) < 0)
goto finish;
- if (lookup_vid_pid(vid, pid, &vendor, &product) < 0)
+ if (lookup_vid_pid(database, vid, pid, &vendor, &product) < 0)
goto finish;
if (vendor)
- printf("ID_VENDOR_FROM_DATABASE=%s\n", vendor);
-
+ udev_builtin_add_property(dev, test, "ID_VENDOR_FROM_DATABASE", vendor);
if (product)
- printf("ID_MODEL_FROM_DATABASE=%s\n", product);
-
- ret = 0;
+ udev_builtin_add_property(dev, test, "ID_MODEL_FROM_DATABASE", product);
finish:
- udev_device_unref(dev);
- udev_unref(udev);
free(vendor);
free(product);
+ return 0;
+}
- return ret;
+static int builtin_usb_db(struct udev_device *dev, int argc, char *argv[], bool test)
+{
+ return builtin_db(dev, test, USB_DATABASE, "idVendor", "idProduct", "usb", "usb_device");
}
+
+static int builtin_pci_db(struct udev_device *dev, int argc, char *argv[], bool test)
+{
+ return builtin_db(dev, test, PCI_DATABASE, "vendor", "device", "pci", NULL);
+}
+
+const struct udev_builtin udev_builtin_usb_db = {
+ .name = "usb-db",
+ .cmd = builtin_usb_db,
+ .help = "USB vendor/product database",
+ .run_once = true,
+};
+
+const struct udev_builtin udev_builtin_pci_db = {
+ .name = "pci-db",
+ .cmd = builtin_pci_db,
+ .help = "PCI vendor/product database",
+ .run_once = true,
+};
~ianmdlvl / elogind.git / blobdiff