basil00
fdd5825f5d
Bump version and change magic numbers to make the driver incompatible with older versions. Also cleanup some driver checksum code missed by previous commit.
209 lines
9.2 KiB
C
209 lines
9.2 KiB
C
/*
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* windivert_device.h
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* (C) 2014, all rights reserved,
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __WINDIVERT_DEVICE_H
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#define __WINDIVERT_DEVICE_H
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/*
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* NOTE: This is the low-level interface to the divert device driver.
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* This interface should not be used directly, instead use the high-level
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* interface provided by the divert API.
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*/
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#define WINDIVERT_KERNEL
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#include "windivert.h"
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#define WINDIVERT_VERSION 1
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#define WINDIVERT_VERSION_MINOR 2
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#define WINDIVERT_STR2(s) #s
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#define WINDIVERT_STR(s) WINDIVERT_STR2(s)
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#define WINDIVERT_LSTR2(s) L ## #s
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#define WINDIVERT_LSTR(s) WINDIVERT_LSTR2(s)
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#define WINDIVERT_VERSION_LSTR \
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WINDIVERT_LSTR(WINDIVERT_VERSION) L"." \
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WINDIVERT_LSTR(WINDIVERT_VERSION_MINOR)
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#define WINDIVERT_DEVICE_NAME \
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L"WinDivert" WINDIVERT_VERSION_LSTR
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#define WINDIVERT_IOCTL_VERSION 4
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#define WINDIVERT_IOCTL_MAGIC 0x529B
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#define WINDIVERT_FILTER_FIELD_ZERO 0
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#define WINDIVERT_FILTER_FIELD_INBOUND 1
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#define WINDIVERT_FILTER_FIELD_OUTBOUND 2
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#define WINDIVERT_FILTER_FIELD_IFIDX 3
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#define WINDIVERT_FILTER_FIELD_SUBIFIDX 4
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#define WINDIVERT_FILTER_FIELD_IP 5
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#define WINDIVERT_FILTER_FIELD_IPV6 6
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#define WINDIVERT_FILTER_FIELD_ICMP 7
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#define WINDIVERT_FILTER_FIELD_TCP 8
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#define WINDIVERT_FILTER_FIELD_UDP 9
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#define WINDIVERT_FILTER_FIELD_ICMPV6 10
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#define WINDIVERT_FILTER_FIELD_IP_HDRLENGTH 11
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#define WINDIVERT_FILTER_FIELD_IP_TOS 12
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#define WINDIVERT_FILTER_FIELD_IP_LENGTH 13
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#define WINDIVERT_FILTER_FIELD_IP_ID 14
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#define WINDIVERT_FILTER_FIELD_IP_DF 15
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#define WINDIVERT_FILTER_FIELD_IP_MF 16
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#define WINDIVERT_FILTER_FIELD_IP_FRAGOFF 17
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#define WINDIVERT_FILTER_FIELD_IP_TTL 18
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#define WINDIVERT_FILTER_FIELD_IP_PROTOCOL 19
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#define WINDIVERT_FILTER_FIELD_IP_CHECKSUM 20
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#define WINDIVERT_FILTER_FIELD_IP_SRCADDR 21
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#define WINDIVERT_FILTER_FIELD_IP_DSTADDR 22
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#define WINDIVERT_FILTER_FIELD_IPV6_TRAFFICCLASS 23
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#define WINDIVERT_FILTER_FIELD_IPV6_FLOWLABEL 24
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#define WINDIVERT_FILTER_FIELD_IPV6_LENGTH 25
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#define WINDIVERT_FILTER_FIELD_IPV6_NEXTHDR 26
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#define WINDIVERT_FILTER_FIELD_IPV6_HOPLIMIT 27
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#define WINDIVERT_FILTER_FIELD_IPV6_SRCADDR 28
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#define WINDIVERT_FILTER_FIELD_IPV6_DSTADDR 29
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#define WINDIVERT_FILTER_FIELD_ICMP_TYPE 30
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#define WINDIVERT_FILTER_FIELD_ICMP_CODE 31
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#define WINDIVERT_FILTER_FIELD_ICMP_CHECKSUM 32
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#define WINDIVERT_FILTER_FIELD_ICMP_BODY 33
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#define WINDIVERT_FILTER_FIELD_ICMPV6_TYPE 34
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#define WINDIVERT_FILTER_FIELD_ICMPV6_CODE 35
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#define WINDIVERT_FILTER_FIELD_ICMPV6_CHECKSUM 36
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#define WINDIVERT_FILTER_FIELD_ICMPV6_BODY 37
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#define WINDIVERT_FILTER_FIELD_TCP_SRCPORT 38
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#define WINDIVERT_FILTER_FIELD_TCP_DSTPORT 39
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#define WINDIVERT_FILTER_FIELD_TCP_SEQNUM 40
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#define WINDIVERT_FILTER_FIELD_TCP_ACKNUM 41
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#define WINDIVERT_FILTER_FIELD_TCP_HDRLENGTH 42
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#define WINDIVERT_FILTER_FIELD_TCP_URG 43
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#define WINDIVERT_FILTER_FIELD_TCP_ACK 44
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#define WINDIVERT_FILTER_FIELD_TCP_PSH 45
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#define WINDIVERT_FILTER_FIELD_TCP_RST 46
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#define WINDIVERT_FILTER_FIELD_TCP_SYN 47
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#define WINDIVERT_FILTER_FIELD_TCP_FIN 48
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#define WINDIVERT_FILTER_FIELD_TCP_WINDOW 49
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#define WINDIVERT_FILTER_FIELD_TCP_CHECKSUM 50
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#define WINDIVERT_FILTER_FIELD_TCP_URGPTR 51
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#define WINDIVERT_FILTER_FIELD_TCP_PAYLOADLENGTH 52
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#define WINDIVERT_FILTER_FIELD_UDP_SRCPORT 53
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#define WINDIVERT_FILTER_FIELD_UDP_DSTPORT 54
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#define WINDIVERT_FILTER_FIELD_UDP_LENGTH 55
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#define WINDIVERT_FILTER_FIELD_UDP_CHECKSUM 56
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#define WINDIVERT_FILTER_FIELD_UDP_PAYLOADLENGTH 57
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#define WINDIVERT_FILTER_FIELD_MAX \
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WINDIVERT_FILTER_FIELD_UDP_PAYLOADLENGTH
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#define WINDIVERT_FILTER_TEST_EQ 0
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#define WINDIVERT_FILTER_TEST_NEQ 1
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#define WINDIVERT_FILTER_TEST_LT 2
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#define WINDIVERT_FILTER_TEST_LEQ 3
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#define WINDIVERT_FILTER_TEST_GT 4
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#define WINDIVERT_FILTER_TEST_GEQ 5
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#define WINDIVERT_FILTER_TEST_MAX WINDIVERT_FILTER_TEST_GEQ
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#define WINDIVERT_FILTER_MAXLEN 128
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#define WINDIVERT_FILTER_RESULT_ACCEPT (WINDIVERT_FILTER_MAXLEN+1)
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#define WINDIVERT_FILTER_RESULT_REJECT (WINDIVERT_FILTER_MAXLEN+2)
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/*
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* WinDivert layers.
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*/
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#define WINDIVERT_LAYER_DEFAULT WINDIVERT_LAYER_NETWORK
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#define WINDIVERT_LAYER_MAX \
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WINDIVERT_LAYER_NETWORK_FORWARD
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/*
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* WinDivert flags.
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*/
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#define WINDIVERT_FLAGS_ALL \
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(WINDIVERT_FLAG_SNIFF | WINDIVERT_FLAG_DROP)
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#define WINDIVERT_FLAGS_EXCLUDE(flags, flag1, flag2) \
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(((flags) & ((flag1) | (flag2))) != ((flag1) | (flag2)))
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#define WINDIVERT_FLAGS_VALID(flags) \
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((((flags) & ~WINDIVERT_FLAGS_ALL) == 0) && \
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WINDIVERT_FLAGS_EXCLUDE(flags, WINDIVERT_FLAG_SNIFF, \
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WINDIVERT_FLAG_DROP))
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/*
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* WinDivert priorities.
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*/
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#define WINDIVERT_PRIORITY(priority16) \
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((UINT32)((INT32)(priority16) + 0x7FFF + 1))
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#define WINDIVERT_PRIORITY_DEFAULT WINDIVERT_PRIORITY(0)
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#define WINDIVERT_PRIORITY_MAX WINDIVERT_PRIORITY(1000)
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#define WINDIVERT_PRIORITY_MIN WINDIVERT_PRIORITY(-1000)
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/*
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* WinDivert parameters.
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*/
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#define WINDIVERT_PARAM_QUEUE_LEN_DEFAULT 1024
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#define WINDIVERT_PARAM_QUEUE_LEN_MIN 1
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#define WINDIVERT_PARAM_QUEUE_LEN_MAX 8192
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#define WINDIVERT_PARAM_QUEUE_TIME_DEFAULT 512
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#define WINDIVERT_PARAM_QUEUE_TIME_MIN 128
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#define WINDIVERT_PARAM_QUEUE_TIME_MAX 2048
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/*
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* WinDivert message definitions.
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*/
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#pragma pack(push, 1)
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struct windivert_ioctl_s
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{
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UINT16 magic; // WINDIVERT_IOCTL_MAGIC
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UINT8 version; // WINDIVERT_IOCTL_VERSION
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UINT8 arg8; // 8-bit argument
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UINT64 arg; // 64-bit argument
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};
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typedef struct windivert_ioctl_s *windivert_ioctl_t;
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/*
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* WinDivert IOCTL structures.
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*/
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struct windivert_ioctl_filter_s
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{
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UINT8 field; // WINDIVERT_FILTER_FIELD_IP_*
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UINT8 test; // WINDIVERT_FILTER_TEST_*
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UINT16 success; // Success continuation.
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UINT16 failure; // Fail continuation.
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UINT32 arg[4]; // Argument.
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};
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typedef struct windivert_ioctl_filter_s *windivert_ioctl_filter_t;
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#pragma pack(pop)
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/*
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* IOCTL codes.
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*/
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#define IOCTL_WINDIVERT_RECV \
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CTL_CODE(FILE_DEVICE_NETWORK, 0x908, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
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#define IOCTL_WINDIVERT_SEND \
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CTL_CODE(FILE_DEVICE_NETWORK, 0x909, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
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#define IOCTL_WINDIVERT_START_FILTER \
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CTL_CODE(FILE_DEVICE_NETWORK, 0x90A, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
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#define IOCTL_WINDIVERT_SET_LAYER \
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CTL_CODE(FILE_DEVICE_NETWORK, 0x90B, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
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#define IOCTL_WINDIVERT_SET_PRIORITY \
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CTL_CODE(FILE_DEVICE_NETWORK, 0x90C, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
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#define IOCTL_WINDIVERT_SET_FLAGS \
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CTL_CODE(FILE_DEVICE_NETWORK, 0x90D, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
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#define IOCTL_WINDIVERT_SET_PARAM \
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CTL_CODE(FILE_DEVICE_NETWORK, 0x90E, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
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#define IOCTL_WINDIVERT_GET_PARAM \
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CTL_CODE(FILE_DEVICE_NETWORK, 0x90F, METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
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#endif /* __WINDIVERT_DEVICE_H */
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