diff options
Diffstat (limited to 'src/openvpnserv')
-rw-r--r-- | src/openvpnserv/Makefile.am | 3 | ||||
-rw-r--r-- | src/openvpnserv/Makefile.in | 874 | ||||
-rw-r--r-- | src/openvpnserv/automatic.c | 25 | ||||
-rw-r--r-- | src/openvpnserv/common.c | 28 | ||||
-rw-r--r-- | src/openvpnserv/interactive.c | 252 | ||||
-rw-r--r-- | src/openvpnserv/openvpnserv.vcxproj | 119 | ||||
-rw-r--r-- | src/openvpnserv/openvpnserv.vcxproj.filters | 25 | ||||
-rw-r--r-- | src/openvpnserv/service.c | 4 | ||||
-rw-r--r-- | src/openvpnserv/service.h | 9 | ||||
-rw-r--r-- | src/openvpnserv/validate.c | 11 |
10 files changed, 334 insertions, 1016 deletions
diff --git a/src/openvpnserv/Makefile.am b/src/openvpnserv/Makefile.am index bc65070..5dc38c9 100644 --- a/src/openvpnserv/Makefile.am +++ b/src/openvpnserv/Makefile.am @@ -36,4 +36,5 @@ openvpnserv_SOURCES = \ service.c service.h \ validate.c validate.h \ $(top_srcdir)/src/openvpn/block_dns.c $(top_srcdir)/src/openvpn/block_dns.h \ - openvpnserv_resources.rc + openvpnserv_resources.rc \ + $(top_srcdir)/src/openvpn/ring_buffer.h diff --git a/src/openvpnserv/Makefile.in b/src/openvpnserv/Makefile.in deleted file mode 100644 index 90a9abe..0000000 --- a/src/openvpnserv/Makefile.in +++ /dev/null @@ -1,874 +0,0 @@ -# Makefile.in generated by automake 1.16.1 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994-2018 Free Software Foundation, Inc. - -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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install-am install-data \ - install-data-am install-dvi install-dvi-am install-exec \ - install-exec-am install-html install-html-am install-info \ - install-info-am install-man install-pdf install-pdf-am \ - install-ps install-ps-am install-sbinPROGRAMS install-strip \ - installcheck installcheck-am installdirs maintainer-clean \ - maintainer-clean-generic mostlyclean mostlyclean-compile \ - mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ - tags tags-am uninstall uninstall-am uninstall-sbinPROGRAMS - -.PRECIOUS: Makefile - - -.rc.lo: - $(LTRCCOMPILE) -i "$<" -o "$@" - -.rc.o: - $(RCCOMPILE) -i "$<" -o "$@" - -.mc.rc: - $(WINDMC) "$<" - -# Tell versions [3.59,3.63) of GNU make to not export all variables. -# Otherwise a system limit (for SysV at least) may be exceeded. -.NOEXPORT: diff --git a/src/openvpnserv/automatic.c b/src/openvpnserv/automatic.c index 5569ce9..3f2ca34 100644 --- a/src/openvpnserv/automatic.c +++ b/src/openvpnserv/automatic.c @@ -36,13 +36,9 @@ #include <stdio.h> #include <stdarg.h> +#include <stdbool.h> #include <process.h> -/* bool definitions */ -#define bool int -#define true 1 -#define false 0 - static SERVICE_STATUS_HANDLE service; static SERVICE_STATUS status = { .dwServiceType = SERVICE_WIN32_SHARE_PROCESS }; @@ -115,41 +111,36 @@ close_if_open(HANDLE h) static bool match(const WIN32_FIND_DATA *find, LPCTSTR ext) { - int i; - if (find->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) { return false; } - if (!_tcslen(ext)) + if (*ext == TEXT('\0')) { return true; } - i = _tcslen(find->cFileName) - _tcslen(ext) - 1; - if (i < 1) - { - return false; - } + /* find the pointer to that last '.' in filename and match ext against the rest */ - return find->cFileName[i] == '.' && !_tcsicmp(find->cFileName + i + 1, ext); + const TCHAR *p = _tcsrchr(find->cFileName, TEXT('.')); + return p && p != find->cFileName && _tcsicmp(p + 1, ext) == 0; } /* * Modify the extension on a filename. */ static bool -modext(LPTSTR dest, int size, LPCTSTR src, LPCTSTR newext) +modext(LPTSTR dest, size_t size, LPCTSTR src, LPCTSTR newext) { - int i; + size_t i; if (size > 0 && (_tcslen(src) + 1) <= size) { _tcscpy(dest, src); dest [size - 1] = TEXT('\0'); i = _tcslen(dest); - while (--i >= 0) + while (i-- > 0) { if (dest[i] == TEXT('\\')) { diff --git a/src/openvpnserv/common.c b/src/openvpnserv/common.c index eb718d4..958643d 100644 --- a/src/openvpnserv/common.c +++ b/src/openvpnserv/common.c @@ -31,7 +31,7 @@ static wchar_t win_sys_path[MAX_PATH]; * These are necessary due to certain buggy implementations of (v)snprintf, * that don't guarantee null termination for size > 0. */ -int +BOOL openvpn_vsntprintf(LPTSTR str, size_t size, LPCTSTR format, va_list arglist) { int len = -1; @@ -40,20 +40,36 @@ openvpn_vsntprintf(LPTSTR str, size_t size, LPCTSTR format, va_list arglist) len = _vsntprintf(str, size, format, arglist); str[size - 1] = 0; } - return (len >= 0 && len < size); + return (len >= 0 && (size_t)len < size); } -int + +BOOL openvpn_sntprintf(LPTSTR str, size_t size, LPCTSTR format, ...) { va_list arglist; + BOOL res = FALSE; + if (size > 0) + { + va_start(arglist, format); + res = openvpn_vsntprintf(str, size, format, arglist); + va_end(arglist); + } + return res; +} + +BOOL +openvpn_swprintf(wchar_t *const str, const size_t size, const wchar_t *const format, ...) +{ + va_list arglist; int len = -1; if (size > 0) { va_start(arglist, format); - len = openvpn_vsntprintf(str, size, format, arglist); + len = vswprintf(str, size, format, arglist); va_end(arglist); + str[size - 1] = L'\0'; } - return len; + return (len >= 0 && len < size); } static DWORD @@ -65,7 +81,7 @@ GetRegString(HKEY key, LPCTSTR value, LPTSTR data, DWORD size, LPCTSTR default_v if (status == ERROR_FILE_NOT_FOUND && default_value) { size_t len = size/sizeof(data[0]); - if (openvpn_sntprintf(data, len, default_value) > 0) + if (openvpn_sntprintf(data, len, default_value)) { status = ERROR_SUCCESS; } diff --git a/src/openvpnserv/interactive.c b/src/openvpnserv/interactive.c index aecbd84..207cc4a 100644 --- a/src/openvpnserv/interactive.c +++ b/src/openvpnserv/interactive.c @@ -24,7 +24,6 @@ #include "service.h" -#include <winsock2.h> #include <ws2tcpip.h> #include <iphlpapi.h> #include <userenv.h> @@ -44,13 +43,14 @@ #include "openvpn-msg.h" #include "validate.h" #include "block_dns.h" +#include "ring_buffer.h" #define IO_TIMEOUT 2000 /*ms*/ -#define ERROR_OPENVPN_STARTUP 0x20000000 -#define ERROR_STARTUP_DATA 0x20000001 -#define ERROR_MESSAGE_DATA 0x20000002 -#define ERROR_MESSAGE_TYPE 0x20000003 +#define ERROR_OPENVPN_STARTUP 0x20000000 +#define ERROR_STARTUP_DATA 0x20000001 +#define ERROR_MESSAGE_DATA 0x20000002 +#define ERROR_MESSAGE_TYPE 0x20000003 static SERVICE_STATUS_HANDLE service; static SERVICE_STATUS status = { .dwServiceType = SERVICE_WIN32_SHARE_PROCESS }; @@ -59,6 +59,7 @@ static settings_t settings; static HANDLE rdns_semaphore = NULL; #define RDNS_TIMEOUT 600 /* seconds to wait for the semaphore */ +#define TUN_IOCTL_REGISTER_RINGS CTL_CODE(51820U, 0x970U, METHOD_BUFFERED, FILE_READ_DATA | FILE_WRITE_DATA) openvpn_service_t interactive_service = { interactive, @@ -101,6 +102,14 @@ typedef struct { int metric_v6; } block_dns_data_t; +typedef struct { + HANDLE send_ring_handle; + HANDLE receive_ring_handle; + HANDLE send_tail_moved; + HANDLE receive_tail_moved; + HANDLE device; +} ring_buffer_handles_t; + static DWORD AddListItem(list_item_t **pfirst, LPVOID data) @@ -155,6 +164,26 @@ CloseHandleEx(LPHANDLE handle) return INVALID_HANDLE_VALUE; } +static HANDLE +OvpnUnmapViewOfFile(LPHANDLE handle) +{ + if (handle && *handle && *handle != INVALID_HANDLE_VALUE) + { + UnmapViewOfFile(*handle); + *handle = INVALID_HANDLE_VALUE; + } + return INVALID_HANDLE_VALUE; +} + +static void +CloseRingBufferHandles(ring_buffer_handles_t *ring_buffer_handles) +{ + CloseHandleEx(&ring_buffer_handles->device); + CloseHandleEx(&ring_buffer_handles->receive_tail_moved); + CloseHandleEx(&ring_buffer_handles->send_tail_moved); + OvpnUnmapViewOfFile(&ring_buffer_handles->send_ring_handle); + OvpnUnmapViewOfFile(&ring_buffer_handles->receive_ring_handle); +} static HANDLE InitOverlapped(LPOVERLAPPED overlapped) @@ -188,7 +217,7 @@ typedef enum { static DWORD AsyncPipeOp(async_op_t op, HANDLE pipe, LPVOID buffer, DWORD size, DWORD count, LPHANDLE events) { - int i; + DWORD i; BOOL success; HANDLE io_event; DWORD res, bytes = 0; @@ -277,10 +306,9 @@ ReturnProcessId(HANDLE pipe, DWORD pid, DWORD count, LPHANDLE events) * Same format as error messages (3 line string) with error = 0 in * 0x%08x format, PID on line 2 and a description "Process ID" on line 3 */ - swprintf(buf, _countof(buf), L"0x%08x\n0x%08x\n%s", 0, pid, msg); - buf[_countof(buf) - 1] = '\0'; + openvpn_swprintf(buf, _countof(buf), L"0x%08x\n0x%08x\n%s", 0, pid, msg); - WritePipeAsync(pipe, buf, wcslen(buf) * 2, count, events); + WritePipeAsync(pipe, buf, (DWORD)(wcslen(buf) * 2), count, events); } static VOID @@ -308,7 +336,7 @@ ReturnError(HANDLE pipe, DWORD error, LPCWSTR func, DWORD count, LPHANDLE events L"0x%1!08x!\n%2!s!\n%3!s!", 0, 0, (LPWSTR) &result, 0, (va_list *) args); - WritePipeAsync(pipe, result, wcslen(result) * 2, count, events); + WritePipeAsync(pipe, result, (DWORD)(wcslen(result) * 2), count, events); #ifdef UNICODE MsgToEventLog(MSG_FLAGS_ERROR, result); #else @@ -332,31 +360,6 @@ ReturnLastError(HANDLE pipe, LPCWSTR func) ReturnError(pipe, GetLastError(), func, 1, &exit_event); } - -static VOID -ReturnOpenvpnOutput(HANDLE pipe, HANDLE ovpn_output, DWORD count, LPHANDLE events) -{ - WCHAR *wide_output = NULL; - CHAR output[512]; - DWORD size; - - ReadFile(ovpn_output, output, sizeof(output), &size, NULL); - if (size == 0) - { - return; - } - - wide_output = malloc((size) * sizeof(WCHAR)); - if (wide_output) - { - MultiByteToWideChar(CP_UTF8, 0, output, size, wide_output, size); - wide_output[size - 1] = 0; - } - - ReturnError(pipe, ERROR_OPENVPN_STARTUP, wide_output, count, events); - free(wide_output); -} - /* * Validate options against a white list. Also check the config_file is * inside the config_dir. The white list is defined in validate.c @@ -381,10 +384,9 @@ ValidateOptions(HANDLE pipe, const WCHAR *workdir, const WCHAR *options, WCHAR * if (!argv) { - swprintf(errmsg, capacity, - L"Cannot validate options: CommandLineToArgvW failed with error = 0x%08x", - GetLastError()); - errmsg[capacity-1] = L'\0'; + openvpn_swprintf(errmsg, capacity, + L"Cannot validate options: CommandLineToArgvW failed with error = 0x%08x", + GetLastError()); goto out; } @@ -404,9 +406,8 @@ ValidateOptions(HANDLE pipe, const WCHAR *workdir, const WCHAR *options, WCHAR * if (!CheckOption(workdir, 2, argv_tmp, &settings)) { - swprintf(errmsg, capacity, msg1, argv[0], workdir, - settings.ovpn_admin_group); - errmsg[capacity-1] = L'\0'; + openvpn_swprintf(errmsg, capacity, msg1, argv[0], workdir, + settings.ovpn_admin_group); } goto out; } @@ -422,15 +423,14 @@ ValidateOptions(HANDLE pipe, const WCHAR *workdir, const WCHAR *options, WCHAR * { if (wcscmp(L"--config", argv[i]) == 0 && argc-i > 1) { - swprintf(errmsg, capacity, msg1, argv[i+1], workdir, - settings.ovpn_admin_group); + openvpn_swprintf(errmsg, capacity, msg1, argv[i+1], workdir, + settings.ovpn_admin_group); } else { - swprintf(errmsg, capacity, msg2, argv[i], - settings.ovpn_admin_group); + openvpn_swprintf(errmsg, capacity, msg2, argv[i], + settings.ovpn_admin_group); } - errmsg[capacity-1] = L'\0'; goto out; } } @@ -449,9 +449,9 @@ out: static BOOL GetStartupData(HANDLE pipe, STARTUP_DATA *sud) { - size_t len; + size_t size, len; WCHAR *data = NULL; - DWORD size, bytes, read; + DWORD bytes, read; bytes = PeekNamedPipeAsync(pipe, 1, &exit_event); if (bytes == 0) @@ -516,7 +516,7 @@ GetStartupData(HANDLE pipe, STARTUP_DATA *sud) return TRUE; err: - sud->directory = NULL; /* caller must not free() */ + sud->directory = NULL; /* caller must not free() */ free(data); return FALSE; } @@ -930,7 +930,7 @@ static DWORD WINAPI RegisterDNS(LPVOID unused) { DWORD err; - DWORD i; + size_t i; DWORD timeout = RDNS_TIMEOUT * 1000; /* in milliseconds */ /* path of ipconfig command */ @@ -945,17 +945,15 @@ RegisterDNS(LPVOID unused) { ipcfg, L"ipconfig /flushdns", timeout }, { ipcfg, L"ipconfig /registerdns", timeout }, }; - int ncmds = sizeof(cmds) / sizeof(cmds[0]); HANDLE wait_handles[2] = {rdns_semaphore, exit_event}; - swprintf(ipcfg, _countof(ipcfg), L"%s\\%s", get_win_sys_path(), L"ipconfig.exe"); - ipcfg[_countof(ipcfg) - 1] = L'\0'; + openvpn_swprintf(ipcfg, MAX_PATH, L"%s\\%s", get_win_sys_path(), L"ipconfig.exe"); if (WaitForMultipleObjects(2, wait_handles, FALSE, timeout) == WAIT_OBJECT_0) { /* Semaphore locked */ - for (i = 0; i < ncmds; ++i) + for (i = 0; i < _countof(cmds); ++i) { ExecCommand(cmds[i].argv0, cmds[i].cmdline, cmds[i].timeout); } @@ -1038,7 +1036,7 @@ netsh_dns_cmd(const wchar_t *action, const wchar_t *proto, const wchar_t *if_nam const wchar_t *fmt = L"netsh interface %s %s dns \"%s\" %s"; /* max cmdline length in wchars -- include room for worst case and some */ - int ncmdline = wcslen(fmt) + wcslen(if_name) + wcslen(addr) + 32 + 1; + size_t ncmdline = wcslen(fmt) + wcslen(if_name) + wcslen(addr) + 32 + 1; cmdline = malloc(ncmdline*sizeof(wchar_t)); if (!cmdline) { @@ -1202,8 +1200,118 @@ HandleEnableDHCPMessage(const enable_dhcp_message_t *dhcp) return err; } +static DWORD +OvpnDuplicateHandle(HANDLE ovpn_proc, HANDLE orig_handle, HANDLE* new_handle) +{ + DWORD err = ERROR_SUCCESS; + + if (!DuplicateHandle(ovpn_proc, orig_handle, GetCurrentProcess(), new_handle, 0, FALSE, DUPLICATE_SAME_ACCESS)) + { + err = GetLastError(); + MsgToEventLog(M_SYSERR, TEXT("Could not duplicate handle")); + return err; + } + + return err; +} + +static DWORD +DuplicateAndMapRing(HANDLE ovpn_proc, HANDLE orig_handle, HANDLE *new_handle, struct tun_ring **ring) +{ + DWORD err = ERROR_SUCCESS; + + err = OvpnDuplicateHandle(ovpn_proc, orig_handle, new_handle); + if (err != ERROR_SUCCESS) + { + return err; + } + *ring = (struct tun_ring *)MapViewOfFile(*new_handle, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(struct tun_ring)); + if (*ring == NULL) + { + err = GetLastError(); + MsgToEventLog(M_SYSERR, TEXT("Could not map shared memory")); + return err; + } + + return err; +} + +static DWORD +HandleRegisterRingBuffers(const register_ring_buffers_message_t *rrb, HANDLE ovpn_proc, + ring_buffer_handles_t *ring_buffer_handles) +{ + DWORD err = 0; + struct tun_ring *send_ring; + struct tun_ring *receive_ring; + + CloseRingBufferHandles(ring_buffer_handles); + + err = OvpnDuplicateHandle(ovpn_proc, rrb->device, &ring_buffer_handles->device); + if (err != ERROR_SUCCESS) + { + return err; + } + + err = DuplicateAndMapRing(ovpn_proc, rrb->send_ring_handle, &ring_buffer_handles->send_ring_handle, &send_ring); + if (err != ERROR_SUCCESS) + { + return err; + } + + err = DuplicateAndMapRing(ovpn_proc, rrb->receive_ring_handle, &ring_buffer_handles->receive_ring_handle, &receive_ring); + if (err != ERROR_SUCCESS) + { + return err; + } + + err = OvpnDuplicateHandle(ovpn_proc, rrb->send_tail_moved, &ring_buffer_handles->send_tail_moved); + if (err != ERROR_SUCCESS) + { + return err; + } + + err = OvpnDuplicateHandle(ovpn_proc, rrb->receive_tail_moved, &ring_buffer_handles->receive_tail_moved); + if (err != ERROR_SUCCESS) + { + return err; + } + + if (!register_ring_buffers(ring_buffer_handles->device, send_ring, receive_ring, + ring_buffer_handles->send_tail_moved, ring_buffer_handles->receive_tail_moved)) + { + err = GetLastError(); + MsgToEventLog(M_SYSERR, TEXT("Could not register ring buffers")); + } + + return err; +} + +static DWORD +HandleMTUMessage(const set_mtu_message_t *mtu) +{ + DWORD err = 0; + MIB_IPINTERFACE_ROW ipiface; + InitializeIpInterfaceEntry(&ipiface); + ipiface.Family = mtu->family; + ipiface.InterfaceIndex = mtu->iface.index; + err = GetIpInterfaceEntry(&ipiface); + if (err != NO_ERROR) + { + return err; + } + if (mtu->family == AF_INET) + { + ipiface.SitePrefixLength = 0; + } + ipiface.NlMtu = mtu->mtu; + + err = SetIpInterfaceEntry(&ipiface); + return err; +} + static VOID -HandleMessage(HANDLE pipe, DWORD bytes, DWORD count, LPHANDLE events, undo_lists_t *lists) +HandleMessage(HANDLE pipe, HANDLE ovpn_proc, ring_buffer_handles_t *ring_buffer_handles, + DWORD bytes, DWORD count, LPHANDLE events, undo_lists_t *lists) { DWORD read; union { @@ -1214,6 +1322,8 @@ HandleMessage(HANDLE pipe, DWORD bytes, DWORD count, LPHANDLE events, undo_lists block_dns_message_t block_dns; dns_cfg_message_t dns; enable_dhcp_message_t dhcp; + register_ring_buffers_message_t rrb; + set_mtu_message_t mtu; } msg; ack_message_t ack = { .header = { @@ -1281,6 +1391,20 @@ HandleMessage(HANDLE pipe, DWORD bytes, DWORD count, LPHANDLE events, undo_lists } break; + case msg_register_ring_buffers: + if (msg.header.size == sizeof(msg.rrb)) + { + ack.error_number = HandleRegisterRingBuffers(&msg.rrb, ovpn_proc, ring_buffer_handles); + } + break; + + case msg_set_mtu: + if (msg.header.size == sizeof(msg.mtu)) + { + ack.error_number = HandleMTUMessage(&msg.mtu); + } + break; + default: ack.error_number = ERROR_MESSAGE_TYPE; MsgToEventLog(MSG_FLAGS_ERROR, TEXT("Unknown message type %d"), msg.header.type); @@ -1322,7 +1446,7 @@ Undo(undo_lists_t *lists) break; case block_dns: - interface_data = (block_dns_data_t*)(item->data); + interface_data = (block_dns_data_t *)(item->data); delete_block_dns_filters(interface_data->engine); if (interface_data->metric_v4 >= 0) { @@ -1364,6 +1488,7 @@ RunOpenvpn(LPVOID p) WCHAR *cmdline = NULL; size_t cmdline_size; undo_lists_t undo_lists; + ring_buffer_handles_t ring_buffer_handles; WCHAR errmsg[512] = L""; SECURITY_ATTRIBUTES inheritable = { @@ -1385,6 +1510,7 @@ RunOpenvpn(LPVOID p) ZeroMemory(&startup_info, sizeof(startup_info)); ZeroMemory(&undo_lists, sizeof(undo_lists)); ZeroMemory(&proc_info, sizeof(proc_info)); + ZeroMemory(&ring_buffer_handles, sizeof(ring_buffer_handles)); if (!GetStartupData(pipe, &sud)) { @@ -1611,7 +1737,7 @@ RunOpenvpn(LPVOID p) { DWORD written; WideCharToMultiByte(CP_UTF8, 0, sud.std_input, -1, input, input_size, NULL, NULL); - WriteFile(stdin_write, input, strlen(input), &written, NULL); + WriteFile(stdin_write, input, (DWORD)strlen(input), &written, NULL); free(input); } @@ -1623,7 +1749,7 @@ RunOpenvpn(LPVOID p) break; } - HandleMessage(ovpn_pipe, bytes, 1, &exit_event, &undo_lists); + HandleMessage(ovpn_pipe, proc_info.hProcess, &ring_buffer_handles, bytes, 1, &exit_event, &undo_lists); } WaitForSingleObject(proc_info.hProcess, IO_TIMEOUT); @@ -1635,9 +1761,8 @@ RunOpenvpn(LPVOID p) else if (exit_code != 0) { WCHAR buf[256]; - swprintf(buf, _countof(buf), - L"OpenVPN exited with error: exit code = %lu", exit_code); - buf[_countof(buf) - 1] = L'\0'; + openvpn_swprintf(buf, _countof(buf), + L"OpenVPN exited with error: exit code = %lu", exit_code); ReturnError(pipe, ERROR_OPENVPN_STARTUP, buf, 1, &exit_event); } Undo(&undo_lists); @@ -1651,6 +1776,7 @@ out: free(cmdline); DestroyEnvironmentBlock(user_env); FreeStartupData(&sud); + CloseRingBufferHandles(&ring_buffer_handles); CloseHandleEx(&proc_info.hProcess); CloseHandleEx(&proc_info.hThread); CloseHandleEx(&stdin_read); diff --git a/src/openvpnserv/openvpnserv.vcxproj b/src/openvpnserv/openvpnserv.vcxproj index c6760da..5e973df 100644 --- a/src/openvpnserv/openvpnserv.vcxproj +++ b/src/openvpnserv/openvpnserv.vcxproj @@ -1,103 +1,132 @@ <?xml version="1.0" encoding="utf-8"?> -<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> +<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <ItemGroup Label="ProjectConfigurations"> <ProjectConfiguration Include="Debug|Win32"> <Configuration>Debug</Configuration> <Platform>Win32</Platform> </ProjectConfiguration> + <ProjectConfiguration Include="Debug|x64"> + <Configuration>Debug</Configuration> + <Platform>x64</Platform> + </ProjectConfiguration> <ProjectConfiguration Include="Release|Win32"> <Configuration>Release</Configuration> <Platform>Win32</Platform> </ProjectConfiguration> + <ProjectConfiguration Include="Release|x64"> + <Configuration>Release</Configuration> + <Platform>x64</Platform> + </ProjectConfiguration> </ItemGroup> <PropertyGroup Label="Globals"> <ProjectGuid>{9C91EE0B-817D-420A-A1E6-15A5A9D98BAD}</ProjectGuid> <RootNamespace>openvpnserv</RootNamespace> <Keyword>Win32Proj</Keyword> + <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion> </PropertyGroup> <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" /> <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration"> <ConfigurationType>Application</ConfigurationType> - <CharacterSet>MultiByte</CharacterSet> + <CharacterSet>Unicode</CharacterSet> + <WholeProgramOptimization>true</WholeProgramOptimization> + <PlatformToolset>v142</PlatformToolset> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration"> + <ConfigurationType>Application</ConfigurationType> + <CharacterSet>Unicode</CharacterSet> <WholeProgramOptimization>true</WholeProgramOptimization> - <PlatformToolset>v120</PlatformToolset> + <PlatformToolset>v142</PlatformToolset> </PropertyGroup> <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration"> <ConfigurationType>Application</ConfigurationType> - <CharacterSet>MultiByte</CharacterSet> - <PlatformToolset>v120</PlatformToolset> + <CharacterSet>Unicode</CharacterSet> + <PlatformToolset>v142</PlatformToolset> + </PropertyGroup> + <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration"> + <ConfigurationType>Application</ConfigurationType> + <CharacterSet>Unicode</CharacterSet> + <PlatformToolset>v142</PlatformToolset> </PropertyGroup> <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" /> <ImportGroup Label="ExtensionSettings"> </ImportGroup> <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets"> <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + <Import Project="..\compat\Release.props" /> + </ImportGroup> + <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + <Import Project="..\compat\Release.props" /> </ImportGroup> <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets"> <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + <Import Project="..\compat\Debug.props" /> + </ImportGroup> + <ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="PropertySheets"> + <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" /> + <Import Project="..\compat\Debug.props" /> </ImportGroup> <PropertyGroup Label="UserMacros" /> <PropertyGroup> <_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion> - <OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(SolutionDir)$(Platform)-Output\$(Configuration)\</OutDir> - <IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(Configuration)\</IntDir> - <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</LinkIncremental> - <OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(SolutionDir)$(Platform)-Output\$(Configuration)\</OutDir> - <IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(Configuration)\</IntDir> - <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental> </PropertyGroup> <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'"> <ClCompile> - <Optimization>Disabled</Optimization> - <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> - <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;$(CPPFLAGS);%(PreprocessorDefinitions)</PreprocessorDefinitions> - <MinimalRebuild>true</MinimalRebuild> - <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks> - <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary> - <PrecompiledHeader> - </PrecompiledHeader> - <WarningLevel>Level3</WarningLevel> - <DebugInformationFormat>EditAndContinue</DebugInformationFormat> + <AdditionalIncludeDirectories>..\openvpn;..\compat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> + <PreprocessorDefinitions>_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions> </ClCompile> - <ResourceCompile> - <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> - </ResourceCompile> + <ResourceCompile /> <Link> - <GenerateDebugInformation>true</GenerateDebugInformation> + <AdditionalDependencies>Userenv.lib;Iphlpapi.lib;ntdll.lib;Fwpuclnt.lib;Netapi32.lib;Shlwapi.lib;%(AdditionalDependencies)</AdditionalDependencies> + <SubSystem>Console</SubSystem> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'"> + <ClCompile> + <AdditionalIncludeDirectories>..\openvpn;..\compat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> + <PreprocessorDefinitions>_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions> + </ClCompile> + <ResourceCompile /> + <Link> + <AdditionalDependencies>legacy_stdio_definitions.lib;Userenv.lib;Iphlpapi.lib;ntdll.lib;Fwpuclnt.lib;Netapi32.lib;Shlwapi.lib;%(AdditionalDependencies)</AdditionalDependencies> <SubSystem>Console</SubSystem> - <TargetMachine>MachineX86</TargetMachine> </Link> </ItemDefinitionGroup> <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'"> <ClCompile> - <Optimization>MaxSpeed</Optimization> - <IntrinsicFunctions>true</IntrinsicFunctions> - <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> - <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;$(CPPFLAGS);%(PreprocessorDefinitions)</PreprocessorDefinitions> - <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary> - <FunctionLevelLinking>true</FunctionLevelLinking> - <PrecompiledHeader> - </PrecompiledHeader> - <WarningLevel>Level3</WarningLevel> - <DebugInformationFormat>ProgramDatabase</DebugInformationFormat> + <AdditionalIncludeDirectories>..\openvpn;..\compat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> + <PreprocessorDefinitions>_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions> + </ClCompile> + <ResourceCompile /> + <Link> + <AdditionalDependencies>Userenv.lib;Iphlpapi.lib;ntdll.lib;Fwpuclnt.lib;Netapi32.lib;Shlwapi.lib;%(AdditionalDependencies)</AdditionalDependencies> + <SubSystem>Console</SubSystem> + </Link> + </ItemDefinitionGroup> + <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'"> + <ClCompile> + <AdditionalIncludeDirectories>..\openvpn;..\compat;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> + <PreprocessorDefinitions>_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions> </ClCompile> - <ResourceCompile> - <AdditionalIncludeDirectories>$(SOURCEBASE);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories> - </ResourceCompile> + <ResourceCompile /> <Link> - <GenerateDebugInformation>true</GenerateDebugInformation> + <AdditionalDependencies>legacy_stdio_definitions.lib;Userenv.lib;Iphlpapi.lib;ntdll.lib;Fwpuclnt.lib;Netapi32.lib;Shlwapi.lib;%(AdditionalDependencies)</AdditionalDependencies> <SubSystem>Console</SubSystem> - <OptimizeReferences>true</OptimizeReferences> - <EnableCOMDATFolding>true</EnableCOMDATFolding> - <TargetMachine>MachineX86</TargetMachine> </Link> </ItemDefinitionGroup> <ItemGroup> - <ClCompile Include="openvpnserv.c" /> + <ClCompile Include="automatic.c" /> + <ClCompile Include="common.c" /> + <ClCompile Include="interactive.c" /> <ClCompile Include="service.c" /> + <ClCompile Include="validate.c" /> + <ClCompile Include="..\openvpn\block_dns.c" /> </ItemGroup> <ItemGroup> + <ClInclude Include="..\openvpn\ring_buffer.h" /> <ClInclude Include="service.h" /> + <ClInclude Include="validate.h" /> + <ClInclude Include="..\openvpn\block_dns.h" /> </ItemGroup> <ItemGroup> <ResourceCompile Include="openvpnserv_resources.rc" /> @@ -111,4 +140,4 @@ <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" /> <ImportGroup Label="ExtensionTargets"> </ImportGroup> -</Project> +</Project>
\ No newline at end of file diff --git a/src/openvpnserv/openvpnserv.vcxproj.filters b/src/openvpnserv/openvpnserv.vcxproj.filters index 0c89b4f..41ad3e8 100644 --- a/src/openvpnserv/openvpnserv.vcxproj.filters +++ b/src/openvpnserv/openvpnserv.vcxproj.filters @@ -15,10 +15,22 @@ </Filter> </ItemGroup> <ItemGroup> - <ClCompile Include="openvpnserv.c"> + <ClCompile Include="service.c"> <Filter>Source Files</Filter> </ClCompile> - <ClCompile Include="service.c"> + <ClCompile Include="automatic.c"> + <Filter>Source Files</Filter> + </ClCompile> + <ClCompile Include="common.c"> + <Filter>Source Files</Filter> + </ClCompile> + <ClCompile Include="interactive.c"> + <Filter>Source Files</Filter> + </ClCompile> + <ClCompile Include="validate.c"> + <Filter>Source Files</Filter> + </ClCompile> + <ClCompile Include="..\openvpn\block_dns.c"> <Filter>Source Files</Filter> </ClCompile> </ItemGroup> @@ -26,6 +38,15 @@ <ClInclude Include="service.h"> <Filter>Header Files</Filter> </ClInclude> + <ClInclude Include="validate.h"> + <Filter>Header Files</Filter> + </ClInclude> + <ClInclude Include="..\openvpn\block_dns.h"> + <Filter>Header Files</Filter> + </ClInclude> + <ClInclude Include="..\openvpn\ring_buffer.h"> + <Filter>Header Files</Filter> + </ClInclude> </ItemGroup> <ItemGroup> <ResourceCompile Include="openvpnserv_resources.rc"> diff --git a/src/openvpnserv/service.c b/src/openvpnserv/service.c index 7157bea..8efe25f 100644 --- a/src/openvpnserv/service.c +++ b/src/openvpnserv/service.c @@ -270,8 +270,8 @@ _tmain(int argc, TCHAR *argv[]) else if (argc > i + 2 && _tcsicmp(TEXT("instance"), argv[i] + 1) == 0) { dispatchTable = _tcsicmp(TEXT("interactive"), argv[i + 1]) != 0 ? - dispatchTable_automatic : - dispatchTable_interactive; + dispatchTable_automatic : + dispatchTable_interactive; service_instance = argv[i + 2]; i += 2; diff --git a/src/openvpnserv/service.h b/src/openvpnserv/service.h index 23b105f..f5afe2f 100644 --- a/src/openvpnserv/service.h +++ b/src/openvpnserv/service.h @@ -30,6 +30,7 @@ #include "config-msvc.h" #endif +#include <winsock2.h> #include <windows.h> #include <stdlib.h> #include <tchar.h> @@ -76,14 +77,18 @@ extern openvpn_service_t interactive_service; extern LPCTSTR service_instance; VOID WINAPI ServiceStartAutomaticOwn(DWORD argc, LPTSTR *argv); + VOID WINAPI ServiceStartAutomatic(DWORD argc, LPTSTR *argv); VOID WINAPI ServiceStartInteractiveOwn(DWORD argc, LPTSTR *argv); + VOID WINAPI ServiceStartInteractive(DWORD argc, LPTSTR *argv); -int openvpn_vsntprintf(LPTSTR str, size_t size, LPCTSTR format, va_list arglist); +BOOL openvpn_vsntprintf(LPTSTR str, size_t size, LPCTSTR format, va_list arglist); + +BOOL openvpn_sntprintf(LPTSTR str, size_t size, LPCTSTR format, ...); -int openvpn_sntprintf(LPTSTR str, size_t size, LPCTSTR format, ...); +BOOL openvpn_swprintf(wchar_t *const str, const size_t size, const wchar_t *const format, ...); DWORD GetOpenvpnSettings(settings_t *s); diff --git a/src/openvpnserv/validate.c b/src/openvpnserv/validate.c index d35938c..9b01770 100644 --- a/src/openvpnserv/validate.c +++ b/src/openvpnserv/validate.c @@ -51,6 +51,7 @@ static const WCHAR *white_list[] = }; static BOOL IsUserInGroup(PSID sid, const PTOKEN_GROUPS groups, const WCHAR *group_name); + static PTOKEN_GROUPS GetTokenGroups(const HANDLE token); /* @@ -63,12 +64,14 @@ CheckConfigPath(const WCHAR *workdir, const WCHAR *fname, const settings_t *s) WCHAR tmp[MAX_PATH]; const WCHAR *config_file = NULL; const WCHAR *config_dir = NULL; +#ifndef UNICODE + WCHAR widepath[MAX_PATH]; +#endif /* convert fname to full path */ if (PathIsRelativeW(fname) ) { - swprintf(tmp, _countof(tmp), L"%s\\%s", workdir, fname); - tmp[_countof(tmp)-1] = L'\0'; + openvpn_swprintf(tmp, _countof(tmp), L"%s\\%s", workdir, fname); config_file = tmp; } else @@ -300,12 +303,12 @@ IsUserInGroup(PSID sid, const PTOKEN_GROUPS token_groups, const WCHAR *group_nam break; } /* If a match is already found, ret == TRUE and the loop is skipped */ - for (int i = 0; i < nread && !ret; ++i) + for (DWORD i = 0; i < nread && !ret; ++i) { ret = EqualSid(members[i].lgrmi0_sid, sid); } NetApiBufferFree(members); - /* MSDN says the lookup should always iterate until err != ERROR_MORE_DATA */ + /* MSDN says the lookup should always iterate until err != ERROR_MORE_DATA */ } while (err == ERROR_MORE_DATA && nloop++ < 100); if (err != NERR_Success && err != NERR_GroupNotFound) |