summaryrefslogtreecommitdiff
path: root/win/inspircd_win32wrapper.h
blob: 7366fc3361ebe009f62af2acda63a1aafb629925 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2020 Matt Schatz <genius3000@g3k.solutions>
 *   Copyright (C) 2013-2015 Attila Molnar <attilamolnar@hush.com>
 *   Copyright (C) 2013, 2015, 2018-2019 Sadie Powell <sadie@witchery.services>
 *   Copyright (C) 2012-2013 ChrisTX <xpipe@hotmail.de>
 *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
 *   Copyright (C) 2011, 2014, 2019 Adam <Adam@anope.org>
 *   Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
 *   Copyright (C) 2007-2009 Robin Burchell <robin+git@viroteck.net>
 *   Copyright (C) 2007-2008 Craig Edwards <brain@inspircd.org>
 *   Copyright (C) 2007, 2009 Dennis Friis <peavey@inspircd.org>
 *   Copyright (C) 2007 burlex <burlex@e03df62e-2008-0410-955e-edbf42e46eb7>
 *
 * This file is part of InspIRCd.  InspIRCd is free software: you can
 * redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation, version 2.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


#pragma once

/* Windows Port
   Wrapper Functions/Definitions
   By Burlex */
/*
 * Starting with PSAPI version 2 for Windows 7 and Windows Server 2008 R2, this function is defined as K32GetProcessMemoryInfo in Psapi.h and exported
 * in Kernel32.lib and Kernel32.dll. However, you should always call this function as GetProcessMemoryInfo. To ensure correct resolution of symbols
 * for programs that will run on earlier versions of Windows, add Psapi.lib to the TARGETLIBS macro and compile the program with PSAPI_VERSION=1.
 *
 * We do this before anything to make sure it's done.
 */
#define PSAPI_VERSION 1

#include "win32service.h"

/* This defaults to 64, way too small for an ircd! */

#define FD_SETSIZE 24000

/* Make builds smaller, leaner and faster */
#define VC_EXTRALEAN
#define WIN32_LEAN_AND_MEAN

/* Macros for exporting symbols - dependent on what is being compiled */

#ifdef DLL_BUILD
#define CoreExport __declspec(dllimport)
#define DllExport __declspec(dllexport)
#else
#define CoreExport __declspec(dllexport)
#define DllExport __declspec(dllimport)
#endif

/* Redirect main() through a different method in win32service.cpp, to intercept service startup */
#define ENTRYPOINT CoreExport int smain(int argc, char** argv)

/* Disable the deprecation warnings.. it spams :P */
#define _CRT_SECURE_NO_DEPRECATE
#define _WINSOCK_DEPRECATED_NO_WARNINGS

// Windows doesn't support getopt_long so we use ya_getopt instead.
#include "ya_getopt.h"

/* Normal windows (platform-specific) includes */
#include <winsock2.h>
#pragma comment(lib, "Ws2_32.lib")
#include <windows.h>
#include <ws2tcpip.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <direct.h>
#include <process.h>
#include <io.h>

#define F_OK            0       /* test for existence of file */
#define X_OK            (1<<0)  /* test for execute or search permission */
#define W_OK            (1<<1)  /* test for write permission */
#define R_OK            (1<<2)  /* test for read permission */

// Windows defines these already.
#undef ERROR
#undef min
#undef max

/* strcasecmp is not defined on windows by default */
#define strcasecmp _stricmp
#define strncasecmp _strnicmp

typedef SSIZE_T ssize_t;

/* _popen, _pclose */
#define popen _popen
#define pclose _pclose
#define getpid _getpid

// warning: 'identifier' : class 'type' needs to have dll-interface to be used by clients of class 'type2'
// Normally, this is a huge problem, but due to our new/delete remap, we can ignore it.
#pragma warning(disable:4251)

// warning: DLL-interface classkey 'identifier' used as base for DLL-interface classkey 'identifier'
#pragma warning(disable:4275)

// warning: unreferenced formal parameter
// Unimportant for now, but for the next version, we should take a look at these again.
#pragma warning(disable:4100)

// warning: 'class' : assignment operator could not be generated
#pragma warning(disable:4512)

// warning C4127: conditional expression is constant
// This will be triggered like crazy because FOREACH_MOD and similar macros are wrapped in do { ... } while(0) constructs
#pragma warning(disable:4127)

// warning C4996: The POSIX name for this item is deprecated.
#pragma warning(disable:4996)

// warning C4244: conversion from 'x' to 'y', possible loss of data
#pragma warning(disable:4244)

// warning C4267: 'var' : conversion from 'size_t' to 'type', possible loss of data
#pragma warning(disable:4267)

// warning C4706: assignment within conditional expression
#pragma warning(disable:4706)

// warning C4800: 'type' : forcing value to bool 'true' or 'false' (performance warning)
#pragma warning(disable:4800)

/* Shared memory allocation functions */
void * ::operator new(size_t iSize);
void ::operator delete(void * ptr);

#include <exception>

class CWin32Exception : public std::exception
{
public:
	CWin32Exception();
	CWin32Exception(const CWin32Exception& other);
	virtual const char* what() const throw();
	DWORD GetErrorCode();

private:
	char szErrorString[500];
	DWORD dwErrorCode;
};

// Same value as EXIT_STATUS_FORK (EXIT_STATUS_FORK is unused on Windows)
#define EXIT_STATUS_SERVICE 4

// POSIX iovec
struct iovec
{
	void* iov_base; // Starting address
	size_t iov_len; // Number of bytes to transfer
};

// Windows WSABUF with POSIX field names
struct WindowsIOVec
{
	// POSIX iovec has iov_base then iov_len, WSABUF in Windows has the fields in reverse order
	u_long iov_len; // Number of bytes to transfer
	char FAR* iov_base; // Starting address
};

inline ssize_t writev(int fd, const WindowsIOVec* iov, int count)
{
	DWORD sent;
	int ret = WSASend(fd, reinterpret_cast<LPWSABUF>(const_cast<WindowsIOVec*>(iov)), count, &sent, 0, NULL, NULL);
	if (ret == 0)
		return sent;
	return -1;
}

// This wrapper is just so we don't need to do #ifdef _WIN32 everywhere in the socket code. It is
// not actually used and does not need to be the same size as sockaddr_un on UNIX systems.
struct sockaddr_un
{
	ADDRESS_FAMILY sun_family;
	char sun_path[6];
};