forked from pool/systemd
bd48810a23
- 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
63 lines
1.8 KiB
Diff
63 lines
1.8 KiB
Diff
From 2ffcfb9b45262271019d1751cafc895c3dae8f0e Mon Sep 17 00:00:00 2001
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From: Robert Milasan <rmilasan@suse.com>
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Date: Sun, 10 Feb 2013 11:00:20 +0100
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Subject: [PATCH] usb_id: some strange devices have a very bogus or strange serial
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numer, making a mess in /dev/disk/by-id. Let's check if the
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serial number is a valid, otherwise don't use it.
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---
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src/udev/udev-builtin-usb_id.c | 23 +++++++++++++++++++++++
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1 file changed, 23 insertions(+)
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diff --git a/src/udev/udev-builtin-usb_id.c b/src/udev/udev-builtin-usb_id.c
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index 7ce401d..9e407c5 100644
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--- a/src/udev/udev-builtin-usb_id.c
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+++ b/src/udev/udev-builtin-usb_id.c
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@@ -23,6 +23,7 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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+#include <stdbool.h>
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#include <unistd.h>
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#include <string.h>
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#include <ctype.h>
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@@ -31,6 +32,26 @@
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#include "udev.h"
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+static bool validate_string(const char *str)
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+{
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+ const char *s;
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+
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+ if (!str)
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+ return false;
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+
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+ for (s = str; *s != '\0'; s++) {
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+ if ((*s >= 'a' && *s <= 'z') ||
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+ (*s >= 'A' && *s <= 'Z') ||
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+ (*s >= '0' && *s <= '9') ||
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+ *s == '-' || *s == '_')
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+ continue;
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+ else
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+ return false;
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+ }
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+
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+ return true;
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+}
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+
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static void set_usb_iftype(char *to, int if_class_num, size_t len)
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{
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const char *type = "generic";
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@@ -431,6 +452,8 @@ fallback:
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const char *usb_serial;
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usb_serial = udev_device_get_sysattr_value(dev_usb, "serial");
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+ if (!validate_string(usb_serial))
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+ usb_serial = NULL;
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if (usb_serial) {
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util_replace_whitespace(usb_serial, serial_str, sizeof(serial_str)-1);
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util_replace_chars(serial_str, NULL);
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--
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1.7.10.4
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