diff options
Diffstat (limited to 'extras')
| -rw-r--r-- | extras/usb-db/.gitignore | 2 | ||||
| -rw-r--r-- | extras/usb-db/usb-db.c | 264 |
2 files changed, 0 insertions, 266 deletions
diff --git a/extras/usb-db/.gitignore b/extras/usb-db/.gitignore deleted file mode 100644 index 861a8382a6..0000000000 --- a/extras/usb-db/.gitignore +++ /dev/null @@ -1,2 +0,0 @@ -usb-db -pci-db diff --git a/extras/usb-db/usb-db.c b/extras/usb-db/usb-db.c deleted file mode 100644 index fe563c2e75..0000000000 --- a/extras/usb-db/usb-db.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - * Copyright (C) 2009 Lennart Poettering <lennart@poettering.net> - * - * 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: - */ - -#include <stdio.h> -#include <errno.h> -#include <string.h> -#include <inttypes.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 - -static int get_id_attr( - struct udev_device *parent, - const char *name, - uint16_t *value) { - - const char *t; - unsigned u; - - if (!(t = udev_device_get_sysattr_value(parent, name))) { - fprintf(stderr, "%s lacks %s.\n", udev_device_get_syspath(parent), name); - return -1; - } - - if (!strncmp(t, "0x", 2)) - t += 2; - - if (sscanf(t, "%04x", &u) != 1 || u > 0xFFFFU) { - fprintf(stderr, "Failed to parse %s on %s.\n", name, udev_device_get_syspath(parent)); - return -1; - } - - *value = (uint16_t) u; - return 0; -} - -static int get_vid_pid( - struct udev_device *parent, - uint16_t *vid, - uint16_t *pid) { - - 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) - return -1; - - return 0; -} - -static void rstrip(char *n) { - size_t i; - - for (i = strlen(n); i > 0 && isspace(n[i-1]); i--) - n[i-1] = 0; -} - -#define HEXCHARS "0123456789abcdefABCDEF" -#define WHITESPACE " \t\n\r" - -static int lookup_vid_pid( - uint16_t vid, - uint16_t pid, - char **vendor, - char **product) { - - FILE *f; - int ret = -1; - int found_vendor = 0; - char *line = NULL; - - *vendor = *product = NULL; - - if (!(f = fopen(DATABASE, "r"))) { - fprintf(stderr, "Failed to open database file "DATABASE": %s\n", strerror(errno)); - return -1; - } - - for (;;) { - size_t n; - - if (line) { - free(line); - line = NULL; - } - - if (getline(&line, &n, f) < 0) - break; - - rstrip(line); - - if (line[0] == '#' || line[0] == 0) - continue; - - if (strspn(line, HEXCHARS) == 4) { - unsigned u; - - if (found_vendor) - break; - - if (sscanf(line, "%04x", &u) == 1 && u == vid) { - char *t; - - t = line+4; - t += strspn(t, WHITESPACE); - - if (!(*vendor = strdup(t))) { - fprintf(stderr, "Out of memory.\n"); - goto finish; - } - - found_vendor = 1; - } - - continue; - } - - if (found_vendor && line[0] == '\t' && strspn(line+1, HEXCHARS) == 4) { - unsigned u; - - if (sscanf(line+1, "%04x", &u) == 1 && u == pid) { - char *t; - - t = line+5; - t += strspn(t, WHITESPACE); - - if (!(*product = strdup(t))) { - fprintf(stderr, "Out of memory.\n"); - goto finish; - } - - break; - } - } - } - - ret = 0; - -finish: - free(line); - fclose(f); - - if (ret < 0) { - free(*product); - free(*vendor); - - *product = *vendor = NULL; - } - - return ret; -} - -static struct udev_device *find_device(struct udev_device *dev, const char *subsys, const char *devtype) -{ - const char *str; - - str = udev_device_get_subsystem(dev); - if (str == NULL) - goto try_parent; - if (strcmp(str, subsys) != 0) - goto try_parent; - - if (devtype != NULL) { - str = udev_device_get_devtype(dev); - if (str == NULL) - goto try_parent; - if (strcmp(str, devtype) != 0) - goto try_parent; - } - return dev; -try_parent: - return udev_device_get_parent_with_subsystem_devtype(dev, SUBSYSTEM, DEVTYPE); -} - -int main(int argc, char*argv[]) { - - struct udev *udev = NULL; - int ret = 1; - char *sp; - struct udev_device *dev = NULL, *parent = NULL; - 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); - if (!parent) { - fprintf(stderr, "Failed to find device.\n"); - goto finish; - } - - if (get_vid_pid(parent, &vid, &pid) < 0) - goto finish; - - if (lookup_vid_pid(vid, pid, &vendor, &product) < 0) - goto finish; - - if (vendor) - printf("ID_VENDOR_FROM_DATABASE=%s\n", vendor); - - if (product) - printf("ID_MODEL_FROM_DATABASE=%s\n", product); - - ret = 0; - -finish: - udev_device_unref(dev); - udev_unref(udev); - free(vendor); - free(product); - - return ret; -} |