diff options
Diffstat (limited to 'NetworkPkg/Dhcp4Dxe/Dhcp4Option.c')
| -rw-r--r-- | NetworkPkg/Dhcp4Dxe/Dhcp4Option.c | 538 |
1 files changed, 265 insertions, 273 deletions
diff --git a/NetworkPkg/Dhcp4Dxe/Dhcp4Option.c b/NetworkPkg/Dhcp4Dxe/Dhcp4Option.c index 37a63022c5..5959eff17c 100644 --- a/NetworkPkg/Dhcp4Dxe/Dhcp4Option.c +++ b/NetworkPkg/Dhcp4Dxe/Dhcp4Option.c @@ -13,95 +13,94 @@ SPDX-License-Identifier: BSD-2-Clause-Patent /// to validate a dhcp message. Refere the comments of the
/// DHCP_OPTION_FORMAT structure.
///
-DHCP_OPTION_FORMAT DhcpOptionFormats[] = {
- {DHCP4_TAG_NETMASK, DHCP_OPTION_IP, 1, 1 , TRUE},
- {DHCP4_TAG_TIME_OFFSET, DHCP_OPTION_INT32, 1, 1 , FALSE},
- {DHCP4_TAG_ROUTER, DHCP_OPTION_IP, 1, -1 , TRUE},
- {DHCP4_TAG_TIME_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_NAME_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_DNS_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_LOG_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_COOKIE_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_LPR_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_IMPRESS_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_RL_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_HOSTNAME, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_BOOTFILE_LEN, DHCP_OPTION_INT16, 1, 1 , FALSE},
- {DHCP4_TAG_DUMP, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_DOMAINNAME, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_SWAP_SERVER, DHCP_OPTION_IP, 1, 1 , FALSE},
- {DHCP4_TAG_ROOTPATH, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_EXTEND_PATH, DHCP_OPTION_INT8, 1, -1 , FALSE},
-
- {DHCP4_TAG_IPFORWARD, DHCP_OPTION_SWITCH, 1, 1 , FALSE},
- {DHCP4_TAG_NONLOCAL_SRR, DHCP_OPTION_SWITCH, 1, 1 , FALSE},
- {DHCP4_TAG_POLICY_SRR, DHCP_OPTION_IPPAIR, 1, -1 , FALSE},
- {DHCP4_TAG_EMTU, DHCP_OPTION_INT16, 1, 1 , FALSE},
- {DHCP4_TAG_TTL, DHCP_OPTION_INT8, 1, 1 , FALSE},
- {DHCP4_TAG_PATHMTU_AGE, DHCP_OPTION_INT32, 1, 1 , FALSE},
- {DHCP4_TAG_PATHMTU_PLATEAU,DHCP_OPTION_INT16, 1, -1 , FALSE},
-
- {DHCP4_TAG_IFMTU, DHCP_OPTION_INT16, 1, 1 , FALSE},
- {DHCP4_TAG_SUBNET_LOCAL, DHCP_OPTION_SWITCH, 1, 1 , FALSE},
- {DHCP4_TAG_BROADCAST, DHCP_OPTION_IP, 1, 1 , FALSE},
- {DHCP4_TAG_DISCOVER_MASK, DHCP_OPTION_SWITCH, 1, 1 , FALSE},
- {DHCP4_TAG_SUPPLY_MASK, DHCP_OPTION_SWITCH, 1, 1 , FALSE},
- {DHCP4_TAG_DISCOVER_ROUTE, DHCP_OPTION_SWITCH, 1, 1 , FALSE},
- {DHCP4_TAG_ROUTER_SOLICIT, DHCP_OPTION_IP, 1, 1 , FALSE},
- {DHCP4_TAG_STATIC_ROUTE, DHCP_OPTION_IPPAIR, 1, -1 , FALSE},
-
- {DHCP4_TAG_TRAILER, DHCP_OPTION_SWITCH, 1, 1 , FALSE},
- {DHCP4_TAG_ARPAGE, DHCP_OPTION_INT32, 1, 1 , FALSE},
- {DHCP4_TAG_ETHER_ENCAP, DHCP_OPTION_SWITCH, 1, 1 , FALSE},
-
- {DHCP4_TAG_TCP_TTL, DHCP_OPTION_INT8, 1, 1 , FALSE},
- {DHCP4_TAG_KEEP_INTERVAL, DHCP_OPTION_INT32, 1, 1 , FALSE},
- {DHCP4_TAG_KEEP_GARBAGE, DHCP_OPTION_SWITCH, 1, 1 , FALSE},
-
- {DHCP4_TAG_NIS_DOMAIN, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_NIS_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_NTP_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_VENDOR, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_NBNS, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_NBDD, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_NBTYPE, DHCP_OPTION_INT8, 1, 1 , FALSE},
- {DHCP4_TAG_NBSCOPE, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_XFONT, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_XDM, DHCP_OPTION_IP, 1, -1 , FALSE},
-
- {DHCP4_TAG_REQUEST_IP, DHCP_OPTION_IP, 1, 1 , FALSE},
- {DHCP4_TAG_LEASE, DHCP_OPTION_INT32, 1, 1 , TRUE},
- {DHCP4_TAG_OVERLOAD, DHCP_OPTION_INT8, 1, 1 , TRUE},
- {DHCP4_TAG_MSG_TYPE, DHCP_OPTION_INT8, 1, 1 , TRUE},
- {DHCP4_TAG_SERVER_ID, DHCP_OPTION_IP, 1, 1 , TRUE},
- {DHCP4_TAG_PARA_LIST, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_MESSAGE, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_MAXMSG, DHCP_OPTION_INT16, 1, 1 , FALSE},
- {DHCP4_TAG_T1, DHCP_OPTION_INT32, 1, 1 , TRUE},
- {DHCP4_TAG_T2, DHCP_OPTION_INT32, 1, 1 , TRUE},
- {DHCP4_TAG_VENDOR_CLASS_ID,DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_CLIENT_ID, DHCP_OPTION_INT8, 2, -1 , FALSE},
-
- {DHCP4_TAG_NISPLUS, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_NISPLUS_SERVER, DHCP_OPTION_IP, 1, -1 , FALSE},
-
- {DHCP4_TAG_TFTP, DHCP_OPTION_INT8, 1, -1 , FALSE},
- {DHCP4_TAG_BOOTFILE, DHCP_OPTION_INT8, 1, -1 , FALSE},
-
- {DHCP4_TAG_MOBILEIP, DHCP_OPTION_IP, 0, -1 , FALSE},
- {DHCP4_TAG_SMTP, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_POP3, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_NNTP, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_WWW, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_FINGER, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_IRC, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_STTALK, DHCP_OPTION_IP, 1, -1 , FALSE},
- {DHCP4_TAG_STDA, DHCP_OPTION_IP, 1, -1 , FALSE},
-
- {DHCP4_TAG_CLASSLESS_ROUTE,DHCP_OPTION_INT8, 5, -1 , FALSE},
+DHCP_OPTION_FORMAT DhcpOptionFormats[] = {
+ { DHCP4_TAG_NETMASK, DHCP_OPTION_IP, 1, 1, TRUE },
+ { DHCP4_TAG_TIME_OFFSET, DHCP_OPTION_INT32, 1, 1, FALSE },
+ { DHCP4_TAG_ROUTER, DHCP_OPTION_IP, 1, -1, TRUE },
+ { DHCP4_TAG_TIME_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_NAME_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_DNS_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_LOG_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_COOKIE_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_LPR_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_IMPRESS_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_RL_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_HOSTNAME, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_BOOTFILE_LEN, DHCP_OPTION_INT16, 1, 1, FALSE },
+ { DHCP4_TAG_DUMP, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_DOMAINNAME, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_SWAP_SERVER, DHCP_OPTION_IP, 1, 1, FALSE },
+ { DHCP4_TAG_ROOTPATH, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_EXTEND_PATH, DHCP_OPTION_INT8, 1, -1, FALSE },
+
+ { DHCP4_TAG_IPFORWARD, DHCP_OPTION_SWITCH, 1, 1, FALSE },
+ { DHCP4_TAG_NONLOCAL_SRR, DHCP_OPTION_SWITCH, 1, 1, FALSE },
+ { DHCP4_TAG_POLICY_SRR, DHCP_OPTION_IPPAIR, 1, -1, FALSE },
+ { DHCP4_TAG_EMTU, DHCP_OPTION_INT16, 1, 1, FALSE },
+ { DHCP4_TAG_TTL, DHCP_OPTION_INT8, 1, 1, FALSE },
+ { DHCP4_TAG_PATHMTU_AGE, DHCP_OPTION_INT32, 1, 1, FALSE },
+ { DHCP4_TAG_PATHMTU_PLATEAU, DHCP_OPTION_INT16, 1, -1, FALSE },
+
+ { DHCP4_TAG_IFMTU, DHCP_OPTION_INT16, 1, 1, FALSE },
+ { DHCP4_TAG_SUBNET_LOCAL, DHCP_OPTION_SWITCH, 1, 1, FALSE },
+ { DHCP4_TAG_BROADCAST, DHCP_OPTION_IP, 1, 1, FALSE },
+ { DHCP4_TAG_DISCOVER_MASK, DHCP_OPTION_SWITCH, 1, 1, FALSE },
+ { DHCP4_TAG_SUPPLY_MASK, DHCP_OPTION_SWITCH, 1, 1, FALSE },
+ { DHCP4_TAG_DISCOVER_ROUTE, DHCP_OPTION_SWITCH, 1, 1, FALSE },
+ { DHCP4_TAG_ROUTER_SOLICIT, DHCP_OPTION_IP, 1, 1, FALSE },
+ { DHCP4_TAG_STATIC_ROUTE, DHCP_OPTION_IPPAIR, 1, -1, FALSE },
+
+ { DHCP4_TAG_TRAILER, DHCP_OPTION_SWITCH, 1, 1, FALSE },
+ { DHCP4_TAG_ARPAGE, DHCP_OPTION_INT32, 1, 1, FALSE },
+ { DHCP4_TAG_ETHER_ENCAP, DHCP_OPTION_SWITCH, 1, 1, FALSE },
+
+ { DHCP4_TAG_TCP_TTL, DHCP_OPTION_INT8, 1, 1, FALSE },
+ { DHCP4_TAG_KEEP_INTERVAL, DHCP_OPTION_INT32, 1, 1, FALSE },
+ { DHCP4_TAG_KEEP_GARBAGE, DHCP_OPTION_SWITCH, 1, 1, FALSE },
+
+ { DHCP4_TAG_NIS_DOMAIN, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_NIS_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_NTP_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_VENDOR, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_NBNS, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_NBDD, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_NBTYPE, DHCP_OPTION_INT8, 1, 1, FALSE },
+ { DHCP4_TAG_NBSCOPE, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_XFONT, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_XDM, DHCP_OPTION_IP, 1, -1, FALSE },
+
+ { DHCP4_TAG_REQUEST_IP, DHCP_OPTION_IP, 1, 1, FALSE },
+ { DHCP4_TAG_LEASE, DHCP_OPTION_INT32, 1, 1, TRUE },
+ { DHCP4_TAG_OVERLOAD, DHCP_OPTION_INT8, 1, 1, TRUE },
+ { DHCP4_TAG_MSG_TYPE, DHCP_OPTION_INT8, 1, 1, TRUE },
+ { DHCP4_TAG_SERVER_ID, DHCP_OPTION_IP, 1, 1, TRUE },
+ { DHCP4_TAG_PARA_LIST, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_MESSAGE, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_MAXMSG, DHCP_OPTION_INT16, 1, 1, FALSE },
+ { DHCP4_TAG_T1, DHCP_OPTION_INT32, 1, 1, TRUE },
+ { DHCP4_TAG_T2, DHCP_OPTION_INT32, 1, 1, TRUE },
+ { DHCP4_TAG_VENDOR_CLASS_ID, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_CLIENT_ID, DHCP_OPTION_INT8, 2, -1, FALSE },
+
+ { DHCP4_TAG_NISPLUS, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_NISPLUS_SERVER, DHCP_OPTION_IP, 1, -1, FALSE },
+
+ { DHCP4_TAG_TFTP, DHCP_OPTION_INT8, 1, -1, FALSE },
+ { DHCP4_TAG_BOOTFILE, DHCP_OPTION_INT8, 1, -1, FALSE },
+
+ { DHCP4_TAG_MOBILEIP, DHCP_OPTION_IP, 0, -1, FALSE },
+ { DHCP4_TAG_SMTP, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_POP3, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_NNTP, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_WWW, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_FINGER, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_IRC, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_STTALK, DHCP_OPTION_IP, 1, -1, FALSE },
+ { DHCP4_TAG_STDA, DHCP_OPTION_IP, 1, -1, FALSE },
+
+ { DHCP4_TAG_CLASSLESS_ROUTE, DHCP_OPTION_INT8, 5, -1, FALSE },
};
-
/**
Binary search the DhcpOptionFormats array to find the format
information about a specific option.
@@ -113,12 +112,12 @@ DHCP_OPTION_FORMAT DhcpOptionFormats[] = { **/
DHCP_OPTION_FORMAT *
DhcpFindOptionFormat (
- IN UINT8 Tag
+ IN UINT8 Tag
)
{
- INTN Left;
- INTN Right;
- INTN Middle;
+ INTN Left;
+ INTN Right;
+ INTN Middle;
Left = 0;
Right = sizeof (DhcpOptionFormats) / sizeof (DHCP_OPTION_FORMAT) - 1;
@@ -133,14 +132,13 @@ DhcpFindOptionFormat ( if (Tag < DhcpOptionFormats[Middle].Tag) {
Right = Middle - 1;
} else {
- Left = Middle + 1;
+ Left = Middle + 1;
}
}
return NULL;
}
-
/**
Validate whether a single DHCP option is valid according to its format.
@@ -154,35 +152,35 @@ DhcpFindOptionFormat ( **/
BOOLEAN
DhcpOptionIsValid (
- IN DHCP_OPTION_FORMAT *Format,
- IN UINT8 *OptValue,
- IN INTN Len
+ IN DHCP_OPTION_FORMAT *Format,
+ IN UINT8 *OptValue,
+ IN INTN Len
)
{
- INTN Unit;
- INTN Occur;
- INTN Index;
+ INTN Unit;
+ INTN Occur;
+ INTN Index;
Unit = 0;
switch (Format->Type) {
- case DHCP_OPTION_SWITCH:
- case DHCP_OPTION_INT8:
- Unit = 1;
- break;
+ case DHCP_OPTION_SWITCH:
+ case DHCP_OPTION_INT8:
+ Unit = 1;
+ break;
- case DHCP_OPTION_INT16:
- Unit = 2;
- break;
+ case DHCP_OPTION_INT16:
+ Unit = 2;
+ break;
- case DHCP_OPTION_INT32:
- case DHCP_OPTION_IP:
- Unit = 4;
- break;
+ case DHCP_OPTION_INT32:
+ case DHCP_OPTION_IP:
+ Unit = 4;
+ break;
- case DHCP_OPTION_IPPAIR:
- Unit = 8;
- break;
+ case DHCP_OPTION_IPPAIR:
+ Unit = 8;
+ break;
}
ASSERT (Unit != 0);
@@ -201,7 +199,8 @@ DhcpOptionIsValid ( if (((Format->MinOccur != -1) && (Occur < Format->MinOccur)) ||
((Format->MaxOccur != -1) && (Occur > Format->MaxOccur))
- ) {
+ )
+ {
return FALSE;
}
@@ -219,7 +218,6 @@ DhcpOptionIsValid ( return TRUE;
}
-
/**
Extract the client interested options, all the parameters are
converted to host byte order.
@@ -235,61 +233,62 @@ DhcpOptionIsValid ( **/
EFI_STATUS
DhcpGetParameter (
- IN UINT8 Tag,
- IN INTN Len,
- IN UINT8 *Data,
- OUT DHCP_PARAMETER *Para
+ IN UINT8 Tag,
+ IN INTN Len,
+ IN UINT8 *Data,
+ OUT DHCP_PARAMETER *Para
)
{
switch (Tag) {
- case DHCP4_TAG_NETMASK:
- Para->NetMask = NetGetUint32 (Data);
- break;
+ case DHCP4_TAG_NETMASK:
+ Para->NetMask = NetGetUint32 (Data);
+ break;
- case DHCP4_TAG_ROUTER:
- //
- // Return the first router to consumer which is the preferred one
- //
- Para->Router = NetGetUint32 (Data);
- break;
+ case DHCP4_TAG_ROUTER:
+ //
+ // Return the first router to consumer which is the preferred one
+ //
+ Para->Router = NetGetUint32 (Data);
+ break;
- case DHCP4_TAG_LEASE:
- Para->Lease = NetGetUint32 (Data);
- break;
+ case DHCP4_TAG_LEASE:
+ Para->Lease = NetGetUint32 (Data);
+ break;
- case DHCP4_TAG_OVERLOAD:
- Para->Overload = *Data;
+ case DHCP4_TAG_OVERLOAD:
+ Para->Overload = *Data;
- if ((Para->Overload < 1) || (Para->Overload > 3)) {
- return EFI_INVALID_PARAMETER;
- }
- break;
+ if ((Para->Overload < 1) || (Para->Overload > 3)) {
+ return EFI_INVALID_PARAMETER;
+ }
- case DHCP4_TAG_MSG_TYPE:
- Para->DhcpType = *Data;
+ break;
- if ((Para->DhcpType < 1) || (Para->DhcpType > 9)) {
- return EFI_INVALID_PARAMETER;
- }
- break;
+ case DHCP4_TAG_MSG_TYPE:
+ Para->DhcpType = *Data;
+
+ if ((Para->DhcpType < 1) || (Para->DhcpType > 9)) {
+ return EFI_INVALID_PARAMETER;
+ }
- case DHCP4_TAG_SERVER_ID:
- Para->ServerId = NetGetUint32 (Data);
- break;
+ break;
- case DHCP4_TAG_T1:
- Para->T1 = NetGetUint32 (Data);
- break;
+ case DHCP4_TAG_SERVER_ID:
+ Para->ServerId = NetGetUint32 (Data);
+ break;
- case DHCP4_TAG_T2:
- Para->T2 = NetGetUint32 (Data);
- break;
+ case DHCP4_TAG_T1:
+ Para->T1 = NetGetUint32 (Data);
+ break;
+
+ case DHCP4_TAG_T2:
+ Para->T2 = NetGetUint32 (Data);
+ break;
}
return EFI_SUCCESS;
}
-
/**
Inspect all the options in a single buffer. DHCP options may be contained
in several buffers, such as the BOOTP options filed, boot file or server
@@ -308,16 +307,16 @@ DhcpGetParameter ( **/
EFI_STATUS
DhcpIterateBufferOptions (
- IN UINT8 *Buffer,
- IN INTN BufLen,
- IN DHCP_CHECK_OPTION Check OPTIONAL,
- IN VOID *Context,
- OUT UINT8 *Overload OPTIONAL
+ IN UINT8 *Buffer,
+ IN INTN BufLen,
+ IN DHCP_CHECK_OPTION Check OPTIONAL,
+ IN VOID *Context,
+ OUT UINT8 *Overload OPTIONAL
)
{
- INTN Cur;
- UINT8 Tag;
- UINT8 Len;
+ INTN Cur;
+ UINT8 Tag;
+ UINT8 Len;
Cur = 0;
@@ -364,7 +363,6 @@ DhcpIterateBufferOptions ( return EFI_INVALID_PARAMETER;
}
-
/**
Iterate through a DHCP message to visit each option. First inspect
all the options in the OPTION field. Then if overloaded, inspect
@@ -382,23 +380,23 @@ DhcpIterateBufferOptions ( **/
EFI_STATUS
DhcpIterateOptions (
- IN EFI_DHCP4_PACKET *Packet,
- IN DHCP_CHECK_OPTION Check OPTIONAL,
- IN VOID *Context
+ IN EFI_DHCP4_PACKET *Packet,
+ IN DHCP_CHECK_OPTION Check OPTIONAL,
+ IN VOID *Context
)
{
- EFI_STATUS Status;
- UINT8 Overload;
+ EFI_STATUS Status;
+ UINT8 Overload;
Overload = 0;
- Status = DhcpIterateBufferOptions (
- Packet->Dhcp4.Option,
- Packet->Length - sizeof (EFI_DHCP4_HEADER) - sizeof (UINT32),
- Check,
- Context,
- &Overload
- );
+ Status = DhcpIterateBufferOptions (
+ Packet->Dhcp4.Option,
+ Packet->Length - sizeof (EFI_DHCP4_HEADER) - sizeof (UINT32),
+ Check,
+ Context,
+ &Overload
+ );
if (EFI_ERROR (Status)) {
return Status;
@@ -406,7 +404,7 @@ DhcpIterateOptions ( if ((Overload == DHCP_OVERLOAD_FILENAME) || (Overload == DHCP_OVERLOAD_BOTH)) {
Status = DhcpIterateBufferOptions (
- (UINT8 *) Packet->Dhcp4.Header.BootFileName,
+ (UINT8 *)Packet->Dhcp4.Header.BootFileName,
128,
Check,
Context,
@@ -420,7 +418,7 @@ DhcpIterateOptions ( if ((Overload == DHCP_OVERLOAD_SVRNAME) || (Overload == DHCP_OVERLOAD_BOTH)) {
Status = DhcpIterateBufferOptions (
- (UINT8 *) Packet->Dhcp4.Header.ServerName,
+ (UINT8 *)Packet->Dhcp4.Header.ServerName,
64,
Check,
Context,
@@ -435,7 +433,6 @@ DhcpIterateOptions ( return EFI_SUCCESS;
}
-
/**
Call back function to DhcpIterateOptions to compute each option's
length. It just adds the data length of all the occurrences of this
@@ -452,21 +449,20 @@ DhcpIterateOptions ( **/
EFI_STATUS
DhcpGetOptionLen (
- IN UINT8 Tag,
- IN UINT8 Len,
- IN UINT8 *Data,
- IN VOID *Context
+ IN UINT8 Tag,
+ IN UINT8 Len,
+ IN UINT8 *Data,
+ IN VOID *Context
)
{
- DHCP_OPTION_COUNT *OpCount;
+ DHCP_OPTION_COUNT *OpCount;
- OpCount = (DHCP_OPTION_COUNT *) Context;
- OpCount[Tag].Offset = (UINT16) (OpCount[Tag].Offset + Len);
+ OpCount = (DHCP_OPTION_COUNT *)Context;
+ OpCount[Tag].Offset = (UINT16)(OpCount[Tag].Offset + Len);
return EFI_SUCCESS;
}
-
/**
Call back function to DhcpIterateOptions to consolidate each option's
data. There are maybe several occurrence of the same option.
@@ -482,24 +478,24 @@ DhcpGetOptionLen ( **/
EFI_STATUS
DhcpFillOption (
- IN UINT8 Tag,
- IN UINT8 Len,
- IN UINT8 *Data,
- IN VOID *Context
+ IN UINT8 Tag,
+ IN UINT8 Len,
+ IN UINT8 *Data,
+ IN VOID *Context
)
{
- DHCP_OPTION_CONTEXT *OptContext;
- DHCP_OPTION_COUNT *OptCount;
- DHCP_OPTION *Options;
- UINT8 *Buf;
- UINT8 Index;
+ DHCP_OPTION_CONTEXT *OptContext;
+ DHCP_OPTION_COUNT *OptCount;
+ DHCP_OPTION *Options;
+ UINT8 *Buf;
+ UINT8 Index;
- OptContext = (DHCP_OPTION_CONTEXT *) Context;
+ OptContext = (DHCP_OPTION_CONTEXT *)Context;
- OptCount = OptContext->OpCount;
- Index = OptCount[Tag].Index;
- Options = OptContext->Options;
- Buf = OptContext->Buf;
+ OptCount = OptContext->OpCount;
+ Index = OptCount[Tag].Index;
+ Options = OptContext->Options;
+ Buf = OptContext->Buf;
if (Options[Index].Data == NULL) {
Options[Index].Tag = Tag;
@@ -508,12 +504,11 @@ DhcpFillOption ( CopyMem (Buf + OptCount[Tag].Offset, Data, Len);
- OptCount[Tag].Offset = (UINT16) (OptCount[Tag].Offset + Len);
- Options[Index].Len = (UINT16) (Options[Index].Len + Len);
+ OptCount[Tag].Offset = (UINT16)(OptCount[Tag].Offset + Len);
+ Options[Index].Len = (UINT16)(Options[Index].Len + Len);
return EFI_SUCCESS;
}
-
/**
Parse the options of a DHCP packet. It supports RFC 3396: Encoding
Long Options in DHCP. That is, it will combine all the option value
@@ -544,18 +539,18 @@ DhcpFillOption ( **/
EFI_STATUS
DhcpParseOption (
- IN EFI_DHCP4_PACKET *Packet,
- OUT INTN *Count,
- OUT DHCP_OPTION **OptionPoint
+ IN EFI_DHCP4_PACKET *Packet,
+ OUT INTN *Count,
+ OUT DHCP_OPTION **OptionPoint
)
{
- DHCP_OPTION_CONTEXT Context;
- DHCP_OPTION *Options;
- DHCP_OPTION_COUNT *OptCount;
- EFI_STATUS Status;
- UINT16 TotalLen;
- INTN OptNum;
- INTN Index;
+ DHCP_OPTION_CONTEXT Context;
+ DHCP_OPTION *Options;
+ DHCP_OPTION_COUNT *OptCount;
+ EFI_STATUS Status;
+ UINT16 TotalLen;
+ INTN OptNum;
+ INTN Index;
ASSERT ((Count != NULL) && (OptionPoint != NULL));
@@ -580,22 +575,22 @@ DhcpParseOption ( // OptCount[Index].Offset specifies the offset into the continuous
// option value buffer to put the data.
//
- TotalLen = 0;
- OptNum = 0;
+ TotalLen = 0;
+ OptNum = 0;
for (Index = 0; Index < DHCP_MAX_OPTIONS; Index++) {
if (OptCount[Index].Offset != 0) {
- OptCount[Index].Index = (UINT8) OptNum;
+ OptCount[Index].Index = (UINT8)OptNum;
- TotalLen = (UINT16) (TotalLen + OptCount[Index].Offset);
- OptCount[Index].Offset = (UINT16) (TotalLen - OptCount[Index].Offset);
+ TotalLen = (UINT16)(TotalLen + OptCount[Index].Offset);
+ OptCount[Index].Offset = (UINT16)(TotalLen - OptCount[Index].Offset);
OptNum++;
}
}
- *Count = OptNum;
- *OptionPoint = NULL;
+ *Count = OptNum;
+ *OptionPoint = NULL;
if (OptNum == 0) {
goto ON_EXIT;
@@ -605,7 +600,7 @@ DhcpParseOption ( // Allocate a buffer to hold the DHCP options, and after that, a
// continuous buffer to put all the options' data.
//
- Options = AllocateZeroPool ((UINTN) (OptNum * sizeof (DHCP_OPTION)) + TotalLen);
+ Options = AllocateZeroPool ((UINTN)(OptNum * sizeof (DHCP_OPTION)) + TotalLen);
if (Options == NULL) {
Status = EFI_OUT_OF_RESOURCES;
@@ -614,9 +609,9 @@ DhcpParseOption ( Context.OpCount = OptCount;
Context.Options = Options;
- Context.Buf = (UINT8 *) (Options + OptNum);
+ Context.Buf = (UINT8 *)(Options + OptNum);
- Status = DhcpIterateOptions (Packet, DhcpFillOption, &Context);
+ Status = DhcpIterateOptions (Packet, DhcpFillOption, &Context);
if (EFI_ERROR (Status)) {
FreePool (Options);
@@ -630,7 +625,6 @@ ON_EXIT: return Status;
}
-
/**
Validate the packet's options. If necessary, allocate
and fill in the interested parameters.
@@ -645,18 +639,18 @@ ON_EXIT: **/
EFI_STATUS
DhcpValidateOptions (
- IN EFI_DHCP4_PACKET *Packet,
- OUT DHCP_PARAMETER **Para OPTIONAL
+ IN EFI_DHCP4_PACKET *Packet,
+ OUT DHCP_PARAMETER **Para OPTIONAL
)
{
- DHCP_PARAMETER Parameter;
- DHCP_OPTION_FORMAT *Format;
- DHCP_OPTION *AllOption;
- DHCP_OPTION *Option;
- EFI_STATUS Status;
- BOOLEAN Updated;
- INTN Count;
- INTN Index;
+ DHCP_PARAMETER Parameter;
+ DHCP_OPTION_FORMAT *Format;
+ DHCP_OPTION *AllOption;
+ DHCP_OPTION *Option;
+ EFI_STATUS Status;
+ BOOLEAN Updated;
+ INTN Count;
+ INTN Index;
if (Para != NULL) {
*Para = NULL;
@@ -668,6 +662,7 @@ DhcpValidateOptions ( if (EFI_ERROR (Status) || (Count == 0)) {
return Status;
}
+
ASSERT (AllOption != NULL);
Updated = FALSE;
@@ -716,8 +711,6 @@ ON_EXIT: return Status;
}
-
-
/**
Append an option to the memory, if the option is longer than
255 bytes, splits it into several options.
@@ -732,31 +725,30 @@ ON_EXIT: **/
UINT8 *
DhcpAppendOption (
- OUT UINT8 *Buf,
- IN UINT8 Tag,
- IN UINT16 DataLen,
- IN UINT8 *Data
+ OUT UINT8 *Buf,
+ IN UINT8 Tag,
+ IN UINT16 DataLen,
+ IN UINT8 *Data
)
{
- INTN Index;
- INTN Len;
+ INTN Index;
+ INTN Len;
ASSERT (DataLen != 0);
for (Index = 0; Index < (DataLen + 254) / 255; Index++) {
- Len = MIN (255, DataLen - Index * 255);
+ Len = MIN (255, DataLen - Index * 255);
*(Buf++) = Tag;
- *(Buf++) = (UINT8) Len;
- CopyMem (Buf, Data + Index * 255, (UINTN) Len);
+ *(Buf++) = (UINT8)Len;
+ CopyMem (Buf, Data + Index * 255, (UINTN)Len);
- Buf += Len;
+ Buf += Len;
}
return Buf;
}
-
/**
Build a new DHCP packet from a seed packet. Options may be deleted or
appended. The caller should free the NewPacket when finished using it.
@@ -776,22 +768,22 @@ DhcpAppendOption ( **/
EFI_STATUS
DhcpBuild (
- IN EFI_DHCP4_PACKET *SeedPacket,
- IN UINT32 DeleteCount,
- IN UINT8 *DeleteList OPTIONAL,
- IN UINT32 AppendCount,
- IN EFI_DHCP4_PACKET_OPTION *AppendList[] OPTIONAL,
- OUT EFI_DHCP4_PACKET **NewPacket
+ IN EFI_DHCP4_PACKET *SeedPacket,
+ IN UINT32 DeleteCount,
+ IN UINT8 *DeleteList OPTIONAL,
+ IN UINT32 AppendCount,
+ IN EFI_DHCP4_PACKET_OPTION *AppendList[] OPTIONAL,
+ OUT EFI_DHCP4_PACKET **NewPacket
)
{
- DHCP_OPTION *Mark;
- DHCP_OPTION *SeedOptions;
- EFI_DHCP4_PACKET *Packet;
- EFI_STATUS Status;
- INTN Count;
- UINT32 Index;
- UINT32 Len;
- UINT8 *Buf;
+ DHCP_OPTION *Mark;
+ DHCP_OPTION *SeedOptions;
+ EFI_DHCP4_PACKET *Packet;
+ EFI_STATUS Status;
+ INTN Count;
+ UINT32 Index;
+ UINT32 Len;
+ UINT8 *Buf;
//
// Use an array of DHCP_OPTION to mark the existence
@@ -804,7 +796,7 @@ DhcpBuild ( }
for (Index = 0; Index < DHCP_MAX_OPTIONS; Index++) {
- Mark[Index].Tag = (UINT8) Index;
+ Mark[Index].Tag = (UINT8)Index;
Mark[Index].Len = 0;
}
@@ -820,7 +812,7 @@ DhcpBuild ( }
if (SeedOptions != NULL) {
- for (Index = 0; Index < (UINT32) Count; Index++) {
+ for (Index = 0; Index < (UINT32)Count; Index++) {
Mark[SeedOptions[Index].Tag] = SeedOptions[Index];
}
}
@@ -854,18 +846,18 @@ DhcpBuild ( }
}
- Status = EFI_OUT_OF_RESOURCES;
- Packet = (EFI_DHCP4_PACKET *) AllocatePool (Len);
+ Status = EFI_OUT_OF_RESOURCES;
+ Packet = (EFI_DHCP4_PACKET *)AllocatePool (Len);
if (Packet == NULL) {
goto ON_ERROR;
}
- Packet->Size = Len;
- Packet->Length = 0;
+ Packet->Size = Len;
+ Packet->Length = 0;
CopyMem (&Packet->Dhcp4.Header, &SeedPacket->Dhcp4.Header, sizeof (Packet->Dhcp4.Header));
- Packet->Dhcp4.Magik = DHCP_OPTION_MAGIC;
- Buf = Packet->Dhcp4.Option;
+ Packet->Dhcp4.Magik = DHCP_OPTION_MAGIC;
+ Buf = Packet->Dhcp4.Option;
for (Index = 0; Index < DHCP_MAX_OPTIONS; Index++) {
if (Mark[Index].Len != 0) {
@@ -873,12 +865,12 @@ DhcpBuild ( }
}
- *(Buf++) = DHCP4_TAG_EOP;
- Packet->Length = sizeof (EFI_DHCP4_HEADER) + sizeof (UINT32)
- + (UINT32) (Buf - Packet->Dhcp4.Option);
+ *(Buf++) = DHCP4_TAG_EOP;
+ Packet->Length = sizeof (EFI_DHCP4_HEADER) + sizeof (UINT32)
+ + (UINT32)(Buf - Packet->Dhcp4.Option);
- *NewPacket = Packet;
- Status = EFI_SUCCESS;
+ *NewPacket = Packet;
+ Status = EFI_SUCCESS;
ON_ERROR:
if (SeedOptions != NULL) {
|