systemd/1020-usb_id-some-strange-devices-have-a-very-bogus-or-strage-serial.patch
Robert Milasan 5f9d0718ea - rework patch:
1020-usb_id-some-strange-devices-have-a-very-bogus-or-strage-serial.patch
- udev: use unique names for temporary files created in /dev.
  add: 1022-udev-use-unique-names-for-temporary-files-created-in.patch
- cdrom_id: add data track count for bad virtual drive.
  add: 1023-cdrom_id-add-data-track-count-for-bad-virtual-drive.patch 

- rework patch:
  1020-usb_id-some-strange-devices-have-a-very-bogus-or-strage-serial.patch
- udev: use unique names for temporary files created in /dev.
  add: 1022-udev-use-unique-names-for-temporary-files-created-in.patch
- cdrom_id: add data track count for bad virtual drive.
  add: 1023-cdrom_id-add-data-track-count-for-bad-virtual-drive.patch

OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=344
2013-02-13 12:01:15 +00:00

64 lines
1.9 KiB
Diff

From 2ffcfb9b45262271019d1751cafc895c3dae8f0e Mon Sep 17 00:00:00 2001
From: Robert Milasan <rmilasan@suse.com>
Date: Sun, 10 Feb 2013 11:00:20 +0100
Subject: [PATCH] usb_id: some strange devices have a very bogus or strange serial
numer, making a mess in /dev/disk/by-id. Let's check if the
serial number is a valid, otherwise don't use it.
---
src/udev/udev-builtin-usb_id.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
Index: systemd-195/src/udev/udev-builtin-usb_id.c
===================================================================
--- systemd-195.orig/src/udev/udev-builtin-usb_id.c
+++ systemd-195/src/udev/udev-builtin-usb_id.c
@@ -23,6 +23,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
+#include <stdbool.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
@@ -31,6 +32,26 @@
#include "udev.h"
+static bool valid_string(const char *str)
+{
+ const char *s;
+
+ if (!str)
+ return false;
+
+ for (s = str; *s != '\0'; s++) {
+ if ((*s >= 'a' && *s <= 'z') ||
+ (*s >= 'A' && *s <= 'Z') ||
+ (*s >= '0' && *s <= '9') ||
+ *s == '-' || *s == '_')
+ continue;
+ else
+ return false;
+ }
+
+ return true;
+}
+
static void set_usb_iftype(char *to, int if_class_num, size_t len)
{
const char *type = "generic";
@@ -428,10 +449,10 @@ fallback:
}
if (serial_str[0] == '\0') {
- const char *usb_serial;
+ const char *usb_serial = NULL;
usb_serial = udev_device_get_sysattr_value(dev_usb, "serial");
- if (usb_serial) {
+ if (valid_string(usb_serial)) {
util_replace_whitespace(usb_serial, serial_str, sizeof(serial_str)-1);
util_replace_chars(serial_str, NULL);
}