ipconfig.c 12.5 KB
Newer Older
1 2 3
/*
 * IP configuration utility
 *
4
 * Copyright 2008 Andrew Riedi
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
 * Copyright 2010 Andrew Nguyen
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

22
#include <winsock2.h>
23
#include <windows.h>
24
#include <iphlpapi.h>
25 26
#include <wine/unicode.h>

27 28
#include "ipconfig.h"

29
static int ipconfig_vprintfW(const WCHAR *msg, __ms_va_list va_args)
30 31 32 33 34
{
    int wlen;
    DWORD count, ret;
    WCHAR msg_buffer[8192];

35 36
    wlen = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, msg, 0, 0, msg_buffer,
                          sizeof(msg_buffer)/sizeof(*msg_buffer), &va_args);
37 38 39 40 41 42 43

    ret = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), msg_buffer, wlen, &count, NULL);
    if (!ret)
    {
        DWORD len;
        char *msgA;

44 45 46 47
        /* On Windows WriteConsoleW() fails if the output is redirected. So fall
         * back to WriteFile(), assuming the console encoding is still the right
         * one in that case.
         */
48 49 50 51 52 53 54 55 56 57 58 59 60 61 62
        len = WideCharToMultiByte(GetConsoleOutputCP(), 0, msg_buffer, wlen,
            NULL, 0, NULL, NULL);
        msgA = HeapAlloc(GetProcessHeap(), 0, len);
        if (!msgA)
            return 0;

        WideCharToMultiByte(GetConsoleOutputCP(), 0, msg_buffer, wlen, msgA, len,
            NULL, NULL);
        WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), msgA, len, &count, FALSE);
        HeapFree(GetProcessHeap(), 0, msgA);
    }

    return count;
}

63
static int CDECL ipconfig_printfW(const WCHAR *msg, ...)
64
{
65
    __ms_va_list va_args;
66 67
    int len;

68
    __ms_va_start(va_args, msg);
69
    len = ipconfig_vprintfW(msg, va_args);
70
    __ms_va_end(va_args);
71 72 73 74

    return len;
}

75
static int CDECL ipconfig_message_printfW(int msg, ...)
76
{
77
    __ms_va_list va_args;
78 79 80 81 82 83
    WCHAR msg_buffer[8192];
    int len;

    LoadStringW(GetModuleHandleW(NULL), msg, msg_buffer,
        sizeof(msg_buffer)/sizeof(WCHAR));

84
    __ms_va_start(va_args, msg);
85
    len = ipconfig_vprintfW(msg_buffer, va_args);
86
    __ms_va_end(va_args);
87 88 89 90

    return len;
}

91 92
static int ipconfig_message(int msg)
{
93
    static const WCHAR formatW[] = {'%','1',0};
94 95 96 97
    WCHAR msg_buffer[8192];

    LoadStringW(GetModuleHandleW(NULL), msg, msg_buffer,
        sizeof(msg_buffer)/sizeof(WCHAR));
98

99 100 101
    return ipconfig_printfW(formatW, msg_buffer);
}

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
static const WCHAR *iftype_to_string(DWORD type)
{
    static WCHAR msg_buffer[50];

    int msg;

    switch (type)
    {
    case IF_TYPE_ETHERNET_CSMACD:
    /* The loopback adapter appears as an Ethernet device. */
    case IF_TYPE_SOFTWARE_LOOPBACK:
        msg = STRING_ETHERNET;
        break;
    default:
        msg = STRING_UNKNOWN;
    }

    LoadStringW(GetModuleHandleW(NULL), msg, msg_buffer,
        sizeof(msg_buffer)/sizeof(WCHAR));

    return msg_buffer;
}

static void print_field(int msg, const WCHAR *value)
{
127
    static const WCHAR formatW[] = {' ',' ',' ',' ','%','1',':',' ','%','2','\n',0};
128 129 130 131 132 133 134 135 136 137 138

    WCHAR field[] = {'.',' ','.',' ','.',' ','.',' ','.',' ','.',' ','.',' ','.',' ','.',
                     ' ','.',' ','.',' ','.',' ','.',' ','.',' ','.',' ','.',' ','.',' ',0};
    WCHAR name_buffer[sizeof(field)/sizeof(WCHAR)];

    LoadStringW(GetModuleHandleW(NULL), msg, name_buffer, sizeof(name_buffer)/sizeof(WCHAR));
    memcpy(field, name_buffer, sizeof(WCHAR) * min(strlenW(name_buffer), sizeof(field)/sizeof(WCHAR) - 1));

    ipconfig_printfW(formatW, field, value);
}

139 140 141 142 143 144
static void print_value(const WCHAR *value)
{
    static const WCHAR formatW[] = {' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',
                                    ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',
                                    ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',
                                    ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',
145
                                    '%','1','\n',0};
146 147 148 149

    ipconfig_printfW(formatW, value);
}

150 151 152 153 154 155 156
static BOOL socket_address_to_string(WCHAR *buf, DWORD len, SOCKET_ADDRESS *addr)
{
    return WSAAddressToStringW(addr->lpSockaddr,
                               addr->iSockaddrLength, NULL,
                               buf, &len) == 0;
}

157 158 159 160 161
static void print_basic_information(void)
{
    IP_ADAPTER_ADDRESSES *adapters;
    ULONG out = 0;

162 163
    if (GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_ALL_GATEWAYS,
                             NULL, NULL, &out) == ERROR_BUFFER_OVERFLOW)
164 165 166 167 168
    {
        adapters = HeapAlloc(GetProcessHeap(), 0, out);
        if (!adapters)
            exit(1);

169 170
        if (GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_ALL_GATEWAYS,
                                 NULL, adapters, &out) == ERROR_SUCCESS)
171 172 173 174 175 176
        {
            IP_ADAPTER_ADDRESSES *p;

            for (p = adapters; p; p = p->Next)
            {
                static const WCHAR newlineW[] = {'\n',0};
177
                static const WCHAR emptyW[] = {0};
178 179

                IP_ADAPTER_UNICAST_ADDRESS *addr;
180
                IP_ADAPTER_GATEWAY_ADDRESS_LH *gateway;
181
                WCHAR addr_buf[54];
182 183 184 185 186 187 188

                ipconfig_message_printfW(STRING_ADAPTER_FRIENDLY, iftype_to_string(p->IfType), p->FriendlyName);
                ipconfig_printfW(newlineW);
                print_field(STRING_CONN_DNS_SUFFIX, p->DnsSuffix);

                for (addr = p->FirstUnicastAddress; addr; addr = addr->Next)
                {
189
                    if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &addr->Address))
190 191 192 193
                        print_field(STRING_IP_ADDRESS, addr_buf);
                    /* FIXME: Output corresponding subnet mask. */
                }

194 195 196 197 198 199 200 201 202 203 204 205 206 207
                if (p->FirstGatewayAddress)
                {
                    if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &p->FirstGatewayAddress->Address))
                        print_field(STRING_DEFAULT_GATEWAY, addr_buf);

                    for (gateway = p->FirstGatewayAddress->Next; gateway; gateway = gateway->Next)
                    {
                        if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &gateway->Address))
                            print_value(addr_buf);
                    }
                }
                else
                    print_field(STRING_DEFAULT_GATEWAY, emptyW);

208 209 210 211 212 213 214 215
                ipconfig_printfW(newlineW);
            }
        }

        HeapFree(GetProcessHeap(), 0, adapters);
    }
}

216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268
static const WCHAR *nodetype_to_string(DWORD type)
{
    static WCHAR msg_buffer[50];

    int msg;

    switch (type)
    {
    case BROADCAST_NODETYPE:
        msg = STRING_BROADCAST;
        break;
    case PEER_TO_PEER_NODETYPE:
        msg = STRING_PEER_TO_PEER;
        break;
    case MIXED_NODETYPE:
        msg = STRING_MIXED;
        break;
    case HYBRID_NODETYPE:
        msg = STRING_HYBRID;
        break;
    default:
        msg = STRING_UNKNOWN;
    }

    LoadStringW(GetModuleHandleW(NULL), msg, msg_buffer,
        sizeof(msg_buffer)/sizeof(WCHAR));

    return msg_buffer;
}

static WCHAR *physaddr_to_string(WCHAR *buf, BYTE *addr, DWORD len)
{
    static const WCHAR fmtW[] = {'%','0','2','X','-',0};
    static const WCHAR fmt2W[] = {'%','0','2','X',0};

    if (!len)
        *buf = '\0';
    else
    {
        WCHAR *p = buf;
        DWORD i;

        for (i = 0; i < len - 1; i++)
        {
            sprintfW(p, fmtW, addr[i]);
            p += 3;
        }
        sprintfW(p, fmt2W, addr[i]);
    }

    return buf;
}

269 270 271 272 273 274 275 276 277 278
static const WCHAR *boolean_to_string(int value)
{
    static WCHAR msg_buffer[15];

    LoadStringW(GetModuleHandleW(NULL), value ? STRING_YES : STRING_NO,
        msg_buffer, sizeof(msg_buffer)/sizeof(WCHAR));

    return msg_buffer;
}

279 280 281
static void print_full_information(void)
{
    static const WCHAR newlineW[] = {'\n',0};
282
    static const WCHAR emptyW[] = {0};
283 284 285 286 287 288 289 290 291 292 293 294 295 296 297

    FIXED_INFO *info;
    IP_ADAPTER_ADDRESSES *adapters;
    ULONG out = 0;

    if (GetNetworkParams(NULL, &out) == ERROR_BUFFER_OVERFLOW)
    {
        info = HeapAlloc(GetProcessHeap(), 0, out);
        if (!info)
            exit(1);

        if (GetNetworkParams(info, &out) == ERROR_SUCCESS)
        {
            WCHAR hostnameW[MAX_HOSTNAME_LEN + 4];

298
            MultiByteToWideChar(CP_ACP, 0, info->HostName, -1, hostnameW, sizeof(hostnameW)/sizeof(hostnameW[0]));
299 300 301 302 303
            print_field(STRING_HOSTNAME, hostnameW);

            /* FIXME: Output primary DNS suffix. */

            print_field(STRING_NODE_TYPE, nodetype_to_string(info->NodeType));
304
            print_field(STRING_IP_ROUTING, boolean_to_string(info->EnableRouting));
305 306 307 308 309 310 311 312 313

            /* FIXME: Output WINS proxy status and DNS suffix search list. */

            ipconfig_printfW(newlineW);
        }

        HeapFree(GetProcessHeap(), 0, info);
    }

314 315
    if (GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_ALL_GATEWAYS,
                             NULL, NULL, &out) == ERROR_BUFFER_OVERFLOW)
316 317 318 319 320
    {
        adapters = HeapAlloc(GetProcessHeap(), 0, out);
        if (!adapters)
            exit(1);

321 322
        if (GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_ALL_GATEWAYS,
                                 NULL, adapters, &out) == ERROR_SUCCESS)
323 324 325 326 327 328 329
        {
            IP_ADAPTER_ADDRESSES *p;

            for (p = adapters; p; p = p->Next)
            {
                IP_ADAPTER_UNICAST_ADDRESS *addr;
                WCHAR physaddr_buf[3 * MAX_ADAPTER_ADDRESS_LENGTH];
330
                IP_ADAPTER_GATEWAY_ADDRESS_LH *gateway;
331
                WCHAR addr_buf[54];
332 333 334 335 336 337

                ipconfig_message_printfW(STRING_ADAPTER_FRIENDLY, iftype_to_string(p->IfType), p->FriendlyName);
                ipconfig_printfW(newlineW);
                print_field(STRING_CONN_DNS_SUFFIX, p->DnsSuffix);
                print_field(STRING_DESCRIPTION, p->Description);
                print_field(STRING_PHYS_ADDR, physaddr_to_string(physaddr_buf, p->PhysicalAddress, p->PhysicalAddressLength));
338
                print_field(STRING_DHCP_ENABLED, boolean_to_string(p->Flags & IP_ADAPTER_DHCP_ENABLED));
339 340 341 342 343

                /* FIXME: Output autoconfiguration status. */

                for (addr = p->FirstUnicastAddress; addr; addr = addr->Next)
                {
344
                    if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &addr->Address))
345 346 347 348
                        print_field(STRING_IP_ADDRESS, addr_buf);
                    /* FIXME: Output corresponding subnet mask. */
                }

349 350 351 352 353 354 355 356 357 358 359 360 361
                if (p->FirstGatewayAddress)
                {
                    if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &p->FirstGatewayAddress->Address))
                        print_field(STRING_DEFAULT_GATEWAY, addr_buf);

                    for (gateway = p->FirstGatewayAddress->Next; gateway; gateway = gateway->Next)
                    {
                        if (socket_address_to_string(addr_buf, sizeof(addr_buf)/sizeof(WCHAR), &gateway->Address))
                            print_value(addr_buf);
                    }
                }
                else
                    print_field(STRING_DEFAULT_GATEWAY, emptyW);
362 363 364 365 366 367 368 369 370

                ipconfig_printfW(newlineW);
            }
        }

        HeapFree(GetProcessHeap(), 0, adapters);
    }
}

371 372
int wmain(int argc, WCHAR *argv[])
{
373 374 375
    static const WCHAR slashHelp[] = {'/','?',0};
    static const WCHAR slashAll[] = {'/','a','l','l',0};

376 377 378 379 380
    WSADATA data;

    if (WSAStartup(MAKEWORD(2, 2), &data))
        return 1;

381 382 383 384 385
    if (argc > 1)
    {
        if (!strcmpW(slashHelp, argv[1]))
        {
            ipconfig_message(STRING_USAGE);
386
            WSACleanup();
387 388 389 390 391 392 393 394
            return 1;
        }
        else if (!strcmpiW(slashAll, argv[1]))
        {
            if (argv[2])
            {
                ipconfig_message(STRING_INVALID_CMDLINE);
                ipconfig_message(STRING_USAGE);
395
                WSACleanup();
396 397 398
                return 1;
            }

399
            print_full_information();
400 401 402 403 404
        }
        else
        {
            ipconfig_message(STRING_INVALID_CMDLINE);
            ipconfig_message(STRING_USAGE);
405
            WSACleanup();
406 407 408
            return 1;
        }
    }
409 410
    else
        print_basic_information();
411

412
    WSACleanup();
413 414
    return 0;
}