diff options
| -rw-r--r-- | MdeModulePkg/Include/Library/NetLib.h | 1 | ||||
| -rw-r--r-- | MdeModulePkg/Library/DxeNetLib/DxeNetLib.c | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Library/NetLib.h b/MdeModulePkg/Include/Library/NetLib.h index 26709af091..09ead09497 100644 --- a/MdeModulePkg/Include/Library/NetLib.h +++ b/MdeModulePkg/Include/Library/NetLib.h @@ -523,6 +523,7 @@ extern IP4_ADDR gIp4AllMasks[IP4_MASK_NUM]; extern EFI_IPv4_ADDRESS mZeroIp4Addr;
#define NET_IS_DIGIT(Ch) (('0' <= (Ch)) && ((Ch) <= '9'))
+#define NET_IS_HEX(Ch) ((('0' <= (Ch)) && ((Ch) <= '9')) || (('A' <= (Ch)) && ((Ch) <= 'F')) || (('a' <= (Ch)) && ((Ch) <= 'f')))
#define NET_ROUNDUP(size, unit) (((size) + (unit) - 1) & (~((unit) - 1)))
#define NET_IS_LOWER_CASE_CHAR(Ch) (('a' <= (Ch)) && ((Ch) <= 'z'))
#define NET_IS_UPPER_CASE_CHAR(Ch) (('A' <= (Ch)) && ((Ch) <= 'Z'))
diff --git a/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c b/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c index 0804052fac..0a7117cf9d 100644 --- a/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c +++ b/MdeModulePkg/Library/DxeNetLib/DxeNetLib.c @@ -2832,6 +2832,17 @@ NetLibAsciiStrToIp6 ( TempStr = Ip6Str;
while ((*Ip6Str != '\0') && (*Ip6Str != ':')) {
+ if (Index != 14 && !NET_IS_HEX (*Ip6Str)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ // Allow the IPv6 with prefix case, e.g. 2000:aaaa::10/24
+ //
+ if (Index == 14 && !NET_IS_HEX (*Ip6Str) && *Ip6Str != '/') {
+ return EFI_INVALID_PARAMETER;
+ }
+
Ip6Str++;
}
|