systemd/1020-usb_id-some-strange-devices-have-a-very-bogus-or-strage-serial.patch
Robert Milasan bd48810a23 Accepting request 155189 from home:rmilasan:branches:Base:System
- usb_id: ensure we have a valid serial number as a string (bnc#779493).
  add: 1020-usb_id-some-strange-devices-have-a-very-bogus-or-strage-serial.patch
- cdrom_id: created links for the default cd/dvd drive (bnc#783054).
  add: 1021-create-default-links-for-primary-cd_dvd-drive.patch

- Add cryptsetup-accept-read-only.patch: accept "read-only" in
  addition to "readonly" in crypttab
- Update parse-multiline-env-file.patch to correctly handle
  commented lines (bnc#793411)

- usb_id: ensure we have a valid serial number as a string (bnc#779493).
  add: 1020-usb_id-some-strange-devices-have-a-very-bogus-or-strage-serial.patch
- cdrom_id: created links for the default cd/dvd drive (bnc#783054).
  add: 1021-create-default-links-for-primary-cd_dvd-drive.patch

OBS-URL: https://build.opensuse.org/request/show/155189
OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=342
2013-02-12 09:21:01 +00:00

63 lines
1.8 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(+)
diff --git a/src/udev/udev-builtin-usb_id.c b/src/udev/udev-builtin-usb_id.c
index 7ce401d..9e407c5 100644
--- a/src/udev/udev-builtin-usb_id.c
+++ b/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 validate_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";
@@ -431,6 +452,8 @@ fallback:
const char *usb_serial;
usb_serial = udev_device_get_sysattr_value(dev_usb, "serial");
+ if (!validate_string(usb_serial))
+ usb_serial = NULL;
if (usb_serial) {
util_replace_whitespace(usb_serial, serial_str, sizeof(serial_str)-1);
util_replace_chars(serial_str, NULL);
--
1.7.10.4