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grub2/SOURCES/0273-efi-net-Allow-to-speci...

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <javierm@redhat.com>
Date: Mon, 9 Mar 2020 15:29:45 +0100
Subject: [PATCH] efi/net: Allow to specify a port number in addresses
The grub_efi_net_parse_address() function is not covering the case where a
port number is specified in an IPv4 or IPv6 address, so will fail to parse
the network address.
For most cases the issue is harmless, because the function is only used to
match an address with a network interface and if fails the default is used.
But still is a bug that has to be fixed and it causes error messages to be
printed like the following:
error: net/efi/net.c:782:unrecognised network address '192.168.122.1:8080'
error: net/efi/net.c:781:unrecognised network address '[2000:dead:beef:a::1]:8080'
Resolves: rhbz#1811560
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
---
grub-core/net/efi/net.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/grub-core/net/efi/net.c b/grub-core/net/efi/net.c
index 4c70fc4da..c74854a82 100644
--- a/grub-core/net/efi/net.c
+++ b/grub-core/net/efi/net.c
@@ -742,7 +742,7 @@ grub_efi_net_parse_address (const char *address,
return GRUB_ERR_NONE;
}
}
- else if (*rest == 0)
+ else if (*rest == 0 || *rest == ':')
{
grub_uint32_t subnet_mask = 0xffffffffU;
grub_memcpy (ip4->subnet_mask, &subnet_mask, sizeof (ip4->subnet_mask));
@@ -768,7 +768,7 @@ grub_efi_net_parse_address (const char *address,
return GRUB_ERR_NONE;
}
}
- else if (*rest == 0)
+ else if (*rest == 0 || *rest == ':')
{
ip6->prefix_length = 128;
ip6->is_anycast = 0;