git: 8fe86d923f83 - main - usbconfig: allow to get usb vendors and products from the usb.ids database
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Date: Thu, 29 Feb 2024 12:04:09 UTC
The branch main has been updated by bapt: URL: https://cgit.FreeBSD.org/src/commit/?id=8fe86d923f83ffdfed44f3b67b55287bf7cf3ce1 commit 8fe86d923f83ffdfed44f3b67b55287bf7cf3ce1 Author: Baptiste Daroussin <bapt@FreeBSD.org> AuthorDate: 2024-02-27 17:12:38 +0000 Commit: Baptiste Daroussin <bapt@FreeBSD.org> CommitDate: 2024-02-29 12:01:06 +0000 usbconfig: allow to get usb vendors and products from the usb.ids database Reviewed by: emaste, manu Differential Revision: https://reviews.freebsd.org/D3392 --- usr.sbin/usbconfig/dump.c | 150 ++++++++++++++++++++++++++++++++++++++++- usr.sbin/usbconfig/pathnames.h | 4 ++ 2 files changed, 153 insertions(+), 1 deletion(-) diff --git a/usr.sbin/usbconfig/dump.c b/usr.sbin/usbconfig/dump.c index d7ea8b93011a..36f026bfc2fb 100644 --- a/usr.sbin/usbconfig/dump.c +++ b/usr.sbin/usbconfig/dump.c @@ -2,6 +2,7 @@ * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. + * Copyright (c) 2024 Baptiste Daroussin <bapt@FreeBSD.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -25,6 +26,8 @@ * SUCH DAMAGE. */ +#include <sys/queue.h> + #include <stdio.h> #include <stdlib.h> #include <stdint.h> @@ -38,12 +41,28 @@ #include <libusb20_desc.h> #include "dump.h" +#include "pathnames.h" #define DUMP0(n,type,field,...) dump_field(pdev, " ", #field, n->field); #define DUMP1(n,type,field,...) dump_field(pdev, " ", #field, n->field); #define DUMP2(n,type,field,...) dump_field(pdev, " ", #field, n->field); #define DUMP3(n,type,field,...) dump_field(pdev, " ", #field, n->field); +struct usb_product_info { + STAILQ_ENTRY(usb_product_info) link; + int id; + char *desc; +}; + +struct usb_vendor_info { + STAILQ_ENTRY(usb_vendor_info) link; + STAILQ_HEAD(,usb_product_info) devs; + int id; + char *desc; +}; + +STAILQ_HEAD(usb_vendors, usb_vendor_info); + const char * dump_mode(uint8_t value) { @@ -293,22 +312,151 @@ dump_iface(struct libusb20_device *pdev, } } +static struct usb_vendors * +load_vendors(void) +{ + const char *dbf; + FILE *db = NULL; + struct usb_vendor_info *cv; + struct usb_product_info *cd; + struct usb_vendors *usb_vendors; + char buf[1024], str[1024]; + char *ch; + int id; + + usb_vendors = malloc(sizeof(*usb_vendors)); + if (usb_vendors == NULL) + err(1, "out of memory"); + STAILQ_INIT(usb_vendors); + if ((dbf = getenv("USB_VENDOR_DATABASE")) != NULL) + db = fopen(dbf, "r"); + if (db == NULL) { + dbf = _PATH_LUSBVDB; + if ((db = fopen(dbf, "r")) == NULL) { + dbf = _PATH_USBVDB; + if ((db = fopen(dbf, "r")) == NULL) + return (usb_vendors); + } + } + cv = NULL; + cd = NULL; + + for (;;) { + if (fgets(buf, sizeof(buf), db) == NULL) + break; + + if ((ch = strchr(buf, '#')) != NULL) + *ch = '\0'; + if (ch == buf) + continue; + ch = strchr(buf, '\0') - 1; + while (ch > buf && isspace(*ch)) + *ch-- = '\0'; + if (ch <= buf) + continue; + + /* Can't handle subvendor / subdevice entries yet */ + if (buf[0] == '\t' && buf[1] == '\t') + continue; + + /* Check for vendor entry */ + if (buf[0] != '\t' && sscanf(buf, "%04x %[^\n]", &id, str) == 2) { + if ((id == 0) || (strlen(str) < 1)) + continue; + if ((cv = malloc(sizeof(struct usb_vendor_info))) == NULL) + err(1, "out of memory"); + if ((cv->desc = strdup(str)) == NULL) + err(1, "out of memory"); + cv->id = id; + STAILQ_INIT(&cv->devs); + STAILQ_INSERT_TAIL(usb_vendors, cv, link); + continue; + } + + /* Check for device entry */ + if (buf[0] == '\t' && sscanf(buf + 1, "%04x %[^\n]", &id, str) == 2) { + if ((id == 0) || (strlen(str) < 1)) + continue; + if (cv == NULL) + continue; + if ((cd = malloc(sizeof(struct usb_product_info))) == NULL) + err(1, "out of memory"); + if ((cd->desc = strdup(str)) == NULL) + err(1, "out of memory"); + cd->id = id; + STAILQ_INSERT_TAIL(&cv->devs, cd, link); + continue; + } + } + if (ferror(db)) + err(1, "error reading the usb id db"); + + fclose(db); + /* cleanup */ + return (usb_vendors); +} + +static char * +_device_desc(struct libusb20_device *pdev) +{ + static struct usb_vendors *usb_vendors = NULL; + char *desc = NULL; + const char *vendor = NULL, *product = NULL; + uint16_t vid = libusb20_dev_get_device_desc(pdev)->idVendor; + uint16_t pid = libusb20_dev_get_device_desc(pdev)->idProduct; + struct usb_vendor_info *vi; + struct usb_product_info *pi; + + if (usb_vendors == NULL) + usb_vendors = load_vendors(); + + STAILQ_FOREACH(vi, usb_vendors, link) { + if (vi->id == vid) { + vendor = vi->desc; + break; + } + } + if (vi != NULL) { + STAILQ_FOREACH(pi, &vi->devs, link) { + if (pi->id == pid) { + product = pi->desc; + break; + } + } + } + if (vendor == NULL || product == NULL) + return (NULL); + + asprintf(&desc, "ugen%u.%u: <%s %s> at usbus%u", + libusb20_dev_get_bus_number(pdev), + libusb20_dev_get_address(pdev), + product, vendor, + libusb20_dev_get_bus_number(pdev)); + + + return (desc); +} + void dump_device_info(struct libusb20_device *pdev, uint8_t show_ifdrv) { char buf[128]; uint8_t n; unsigned int usage; + char *desc; usage = libusb20_dev_get_power_usage(pdev); + desc = _device_desc(pdev); + printf("%s, cfg=%u md=%s spd=%s pwr=%s (%umA)\n", - libusb20_dev_get_desc(pdev), + desc ? desc : libusb20_dev_get_desc(pdev), libusb20_dev_get_config_index(pdev), dump_mode(libusb20_dev_get_mode(pdev)), dump_speed(libusb20_dev_get_speed(pdev)), dump_power_mode(libusb20_dev_get_power_mode(pdev)), usage); + free(desc); if (!show_ifdrv) return; diff --git a/usr.sbin/usbconfig/pathnames.h b/usr.sbin/usbconfig/pathnames.h new file mode 100644 index 000000000000..66053a9a87c5 --- /dev/null +++ b/usr.sbin/usbconfig/pathnames.h @@ -0,0 +1,4 @@ +#include <paths.h> + +#define _PATH_USBVDB "/usr/share/misc/usb_vendors" +#define _PATH_LUSBVDB _PATH_LOCALBASE "/share/usbids/usb.ids"