shim-unsigned-x64/SOURCES/0006-httpboot-allow-the-IPv4-gateway-to-be-empty.patch
2021-10-08 16:45:45 +00:00

69 lines
1.6 KiB
Diff

From 80e52895f206fcb40a60f031e7b721627bb193ca Mon Sep 17 00:00:00 2001
From: Gary Lin <glin@suse.com>
Date: Mon, 28 May 2018 17:42:56 +0800
Subject: [PATCH 06/62] httpboot: allow the IPv4 gateway to be empty
The gateway is not mandatory.
Signed-off-by: Gary Lin <glin@suse.com>
Upstream-commit-id: 69089e9c678
---
httpboot.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/httpboot.c b/httpboot.c
index 6f27b01bf71..16dd6621f66 100644
--- a/httpboot.c
+++ b/httpboot.c
@@ -299,7 +299,7 @@ out:
}
static BOOLEAN
-is_unspecified_addr (EFI_IPv6_ADDRESS ip6)
+is_unspecified_ip6addr (EFI_IPv6_ADDRESS ip6)
{
UINT8 i;
@@ -351,7 +351,7 @@ set_ip6(EFI_HANDLE *nic, IPv6_DEVICE_PATH *ip6node)
}
gateway = ip6node->GatewayIpAddress;
- if (is_unspecified_addr(gateway))
+ if (is_unspecified_ip6addr(gateway))
return EFI_SUCCESS;
efi_status = ip6cfg->SetData(ip6cfg, Ip6ConfigDataTypeGateway,
@@ -365,6 +365,19 @@ set_ip6(EFI_HANDLE *nic, IPv6_DEVICE_PATH *ip6node)
return EFI_SUCCESS;
}
+static BOOLEAN
+is_unspecified_ip4addr (EFI_IPv4_ADDRESS ip4)
+{
+ UINT8 i;
+
+ for (i = 0; i<4; i++) {
+ if (ip4.Addr[i] != 0)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
static inline void
print_ip4_addr(EFI_IPv4_ADDRESS ip4addr)
{
@@ -399,6 +412,9 @@ set_ip4(EFI_HANDLE *nic, IPv4_DEVICE_PATH *ip4node)
}
gateway = ip4node->GatewayIpAddress;
+ if (is_unspecified_ip4addr(gateway))
+ return EFI_SUCCESS;
+
efi_status = ip4cfg2->SetData(ip4cfg2, Ip4Config2DataTypeGateway,
sizeof(gateway), &gateway);
if (EFI_ERROR(efi_status)) {
--
2.26.2