/** @file\r
\r
-Copyright (c) 2005 - 2006, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-\r
-Module Name:\r
-\r
- Ip4Icmp.c\r
-\r
-Abstract:\r
-\r
+Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
};\r
\r
EFI_IP4_ICMP_TYPE\r
-mIp4SupportedIcmp [23] = {\r
- {ICMP_ECHO_REPLY, ICMP_DEFAULT_CODE },\r
-\r
- {ICMP_DEST_UNREACHABLE, ICMP_NET_UNREACHABLE },\r
- {ICMP_DEST_UNREACHABLE, ICMP_HOST_UNREACHABLE },\r
- {ICMP_DEST_UNREACHABLE, ICMP_PROTO_UNREACHABLE },\r
- {ICMP_DEST_UNREACHABLE, ICMP_PORT_UNREACHABLE },\r
- {ICMP_DEST_UNREACHABLE, ICMP_FRAGMENT_FAILED },\r
- {ICMP_DEST_UNREACHABLE, ICMP_SOURCEROUTE_FAILED},\r
- {ICMP_DEST_UNREACHABLE, ICMP_NET_UNKNOWN },\r
- {ICMP_DEST_UNREACHABLE, ICMP_HOST_UNKNOWN },\r
- {ICMP_DEST_UNREACHABLE, ICMP_SOURCE_ISOLATED },\r
- {ICMP_DEST_UNREACHABLE, ICMP_NET_PROHIBITED },\r
- {ICMP_DEST_UNREACHABLE, ICMP_HOST_PROHIBITED },\r
+mIp4SupportedIcmp[23] = {\r
+ {ICMP_ECHO_REPLY, ICMP_DEFAULT_CODE },\r
+\r
+ {ICMP_DEST_UNREACHABLE, ICMP_NET_UNREACHABLE },\r
+ {ICMP_DEST_UNREACHABLE, ICMP_HOST_UNREACHABLE },\r
+ {ICMP_DEST_UNREACHABLE, ICMP_PROTO_UNREACHABLE },\r
+ {ICMP_DEST_UNREACHABLE, ICMP_PORT_UNREACHABLE },\r
+ {ICMP_DEST_UNREACHABLE, ICMP_FRAGMENT_FAILED },\r
+ {ICMP_DEST_UNREACHABLE, ICMP_SOURCEROUTE_FAILED },\r
+ {ICMP_DEST_UNREACHABLE, ICMP_NET_UNKNOWN },\r
+ {ICMP_DEST_UNREACHABLE, ICMP_HOST_UNKNOWN },\r
+ {ICMP_DEST_UNREACHABLE, ICMP_SOURCE_ISOLATED },\r
+ {ICMP_DEST_UNREACHABLE, ICMP_NET_PROHIBITED },\r
+ {ICMP_DEST_UNREACHABLE, ICMP_HOST_PROHIBITED },\r
{ICMP_DEST_UNREACHABLE, ICMP_NET_UNREACHABLE_TOS },\r
{ICMP_DEST_UNREACHABLE, ICMP_HOST_UNREACHABLE_TOS},\r
\r
- {ICMP_SOURCE_QUENCH, ICMP_DEFAULT_CODE },\r
+ {ICMP_SOURCE_QUENCH, ICMP_DEFAULT_CODE },\r
\r
- {ICMP_REDIRECT, ICMP_NET_REDIRECT },\r
- {ICMP_REDIRECT, ICMP_HOST_REDIRECT },\r
- {ICMP_REDIRECT, ICMP_NET_TOS_REDIRECT },\r
- {ICMP_REDIRECT, ICMP_HOST_TOS_REDIRECT },\r
+ {ICMP_REDIRECT, ICMP_NET_REDIRECT },\r
+ {ICMP_REDIRECT, ICMP_HOST_REDIRECT },\r
+ {ICMP_REDIRECT, ICMP_NET_TOS_REDIRECT },\r
+ {ICMP_REDIRECT, ICMP_HOST_TOS_REDIRECT },\r
\r
- {ICMP_ECHO_REQUEST, ICMP_DEFAULT_CODE },\r
+ {ICMP_ECHO_REQUEST, ICMP_DEFAULT_CODE },\r
\r
- {ICMP_TIME_EXCEEDED, ICMP_TIMEOUT_IN_TRANSIT},\r
- {ICMP_TIME_EXCEEDED, ICMp_TIMEOUT_REASSEMBLE},\r
+ {ICMP_TIME_EXCEEDED, ICMP_TIMEOUT_IN_TRANSIT },\r
+ {ICMP_TIME_EXCEEDED, ICMP_TIMEOUT_REASSEMBLE },\r
\r
- {ICMP_PARAMETER_PROBLEM, ICMP_DEFAULT_CODE },\r
+ {ICMP_PARAMETER_PROBLEM, ICMP_DEFAULT_CODE },\r
};\r
\r
\r
/**\r
Process the ICMP redirect. Find the instance then update\r
its route cache.\r
+\r
All kinds of redirect is treated as host redirect as\r
specified by RFC1122 3.3.1.2:\r
"Since the subnet mask appropriate to the destination\r
message SHOULD be treated identically to a Host Redirect\r
message;"\r
\r
- @param IpSb The IP4 service binding instance that received the\r
- packet\r
- @param Head The IP head of the received ICMPpacket.\r
- @param Packet The content of the ICMP redirect packet with IP\r
+ @param[in] IpSb The IP4 service binding instance that received\r
+ the packet.\r
+ @param[in] Head The IP head of the received ICMPpacket.\r
+ @param[in] Packet The content of the ICMP redirect packet with IP\r
head removed.\r
- @param Icmp The buffer to store the ICMP error message if\r
+ @param[in] Icmp The buffer to store the ICMP error message if\r
something is wrong.\r
\r
@retval EFI_INVALID_PARAMETER The parameter is invalid\r
@retval EFI_SUCCESS Successfully updated the route caches\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
Ip4ProcessIcmpRedirect (\r
IN IP4_SERVICE *IpSb,\r
IN IP4_ICMP_ERROR_HEAD *Icmp\r
)\r
{\r
- NET_LIST_ENTRY *Entry;\r
+ LIST_ENTRY *Entry;\r
IP4_PROTOCOL *Ip4Instance;\r
IP4_ROUTE_CACHE_ENTRY *CacheEntry;\r
IP4_INTERFACE *IpIf;\r
IP4_ADDR Gateway;\r
+ IP4_ADDR Src;\r
+ IP4_ADDR Dst;\r
\r
//\r
// Find the interface whose IP address is the source of the\r
continue;\r
}\r
\r
- CacheEntry = Ip4FindRouteCache (\r
- Ip4Instance->RouteTable,\r
- NTOHL (Icmp->IpHead.Dst),\r
- NTOHL (Icmp->IpHead.Src)\r
- );\r
+ Dst = NTOHL (Icmp->IpHead.Dst);\r
+ Src = NTOHL (Icmp->IpHead.Src);\r
+ CacheEntry = Ip4FindRouteCache (Ip4Instance->RouteTable, Dst, Src);\r
\r
//\r
// Only update the route cache's gateway if the source of the\r
update call Ip4ProcessIcmpRedirect to update the IP instance's\r
route cache, otherwise, deliver the packet to upper layer.\r
\r
- @param IpSb The IP service that received the packet.\r
- @param Head The IP head of the ICMP error packet\r
- @param Packet The content of the ICMP error with IP head\r
+ @param[in] IpSb The IP4 service that received the packet.\r
+ @param[in] Head The IP4 head of the ICMP error packet\r
+ @param[in] Packet The content of the ICMP error with IP4 head\r
removed.\r
\r
+ @retval EFI_SUCCESS The ICMP error is processed successfully.\r
@retval EFI_INVALID_PARAMETER The packet is invalid\r
@retval Others Failed to process the packet.\r
- @retval EFI_SUCCESS The ICMP error is processed successfully.\r
\r
**/\r
-STATIC\r
EFI_STATUS\r
Ip4ProcessIcmpError (\r
IN IP4_SERVICE *IpSb,\r
}\r
\r
IP4_GET_CLIP_INFO (Packet)->Status = EFI_ICMP_ERROR;\r
- return Ip4Demultiplex (IpSb, Head, Packet);\r
+ return Ip4Demultiplex (IpSb, Head, Packet, NULL, 0);\r
}\r
\r
\r
/**\r
Replay an ICMP echo request.\r
\r
- @param IpSb The IP service that receivd the packet\r
- @param Head The IP head of the ICMP error packet\r
- @param Packet The content of the ICMP error with IP head\r
+ @param[in] IpSb The IP4 service that receivd the packet\r
+ @param[in] Head The IP4 head of the ICMP error packet\r
+ @param[in] Packet The content of the ICMP error with IP4 head\r
removed.\r
\r
@retval EFI_OUT_OF_RESOURCES Failed to allocate resource.\r
// update is omitted.\r
//\r
Icmp = (IP4_ICMP_QUERY_HEAD *) NetbufGetByte (Data, 0, NULL);\r
+ ASSERT (Icmp != NULL);\r
Icmp->Head.Type = ICMP_ECHO_REPLY;\r
Icmp->Head.Checksum = 0;\r
Icmp->Head.Checksum = (UINT16) (~NetblockChecksum ((UINT8 *) Icmp, Data->TotalSize));\r
ReplyHead.Tos = 0;\r
ReplyHead.Fragment = 0;\r
ReplyHead.Ttl = 64;\r
- ReplyHead.Protocol = IP4_PROTO_ICMP;\r
+ ReplyHead.Protocol = EFI_IP_PROTO_ICMP;\r
ReplyHead.Src = 0;\r
\r
//\r
Ip4SysPacketSent,\r
NULL\r
);\r
+ if (EFI_ERROR (Status)) {\r
+ NetbufFree (Data);\r
+ }\r
\r
ON_EXIT:\r
NetbufFree (Packet);\r
Process the ICMP query message. If it is an ICMP echo\r
request, answer it. Otherwise deliver it to upper layer.\r
\r
- @param IpSb The IP service that receivd the packet\r
- @param Head The IP head of the ICMP query packet\r
- @param Packet The content of the ICMP query with IP head\r
+ @param[in] IpSb The IP4 service that receivd the packet\r
+ @param[in] Head The IP4 head of the ICMP query packet\r
+ @param[in] Packet The content of the ICMP query with IP4 head\r
removed.\r
\r
@retval EFI_INVALID_PARAMETER The packet is invalid\r
@retval EFI_SUCCESS The ICMP query message is processed\r
+ @retval Others Failed to process ICMP query.\r
\r
**/\r
EFI_STATUS\r
return Ip4IcmpReplyEcho (IpSb, Head, Packet);\r
}\r
\r
- return Ip4Demultiplex (IpSb, Head, Packet);\r
+ return Ip4Demultiplex (IpSb, Head, Packet, NULL, 0);\r
}\r
\r
\r
then according to the message types, process it as query or\r
error packet.\r
\r
- @param IpSb The IP service that receivd the packet\r
- @param Head The IP head of the ICMP query packet\r
- @param Packet The content of the ICMP query with IP head\r
+ @param[in] IpSb The IP4 service that receivd the packet.\r
+ @param[in] Head The IP4 head of the ICMP query packet.\r
+ @param[in] Packet The content of the ICMP query with IP4 head\r
removed.\r
\r
@retval EFI_INVALID_PARAMETER The packet is malformated.\r
@retval EFI_SUCCESS The ICMP message is successfully processed.\r
+ @retval Others Failed to handle ICMP packet.\r
\r
**/\r
EFI_STATUS\r
projects / mirror_edk2.git / blobdiff