dlls/rpcrt4/rpcrt4_main.c

   1 /*
   2  *  RPCRT4
   3  *
   4  */
   5
   6 #include "config.h"
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <time.h>
  12 #include <sys/time.h>
  13 #include <unistd.h>
  14
  15 #include "windef.h"
  16 #include "wine/windef16.h"
  17 #include "winerror.h"
  18 #include "winbase.h"
  19 #include "rpc.h"
  20
  21 #ifdef HAVE_SYS_FILE_H
  22 # include <sys/file.h>
  23 #endif
  24 #include <sys/ioctl.h>
  25 #ifdef HAVE_SYS_SOCKET_H
  26 # include <sys/socket.h>
  27 #endif
  28 #ifdef HAVE_SYS_SOCKIO_H
  29 # include <sys/sockio.h>
  30 #endif
  31 #ifdef HAVE_NET_IF_H
  32 # include <net/if.h>
  33 #endif
  34 #ifdef HAVE_NETINET_IN_H
  35 # include <netinet/in.h>
  36 #endif
  37
  38 #include "debugtools.h"
  39
  40 DEFAULT_DEBUG_CHANNEL(ole);
  41
  42 /***********************************************************************
  43  * RPCRT4_LibMain
  44  *
  45  * PARAMS
  46  *     hinstDLL    [I] handle to the DLL's instance
  47  *     fdwReason   [I]
  48  *     lpvReserved [I] reserved, must be NULL
  49  *
  50  * RETURNS
  51  *     Success: TRUE
  52  *     Failure: FALSE
  53  */
  54
  55 BOOL WINAPI
  56 RPCRT4_LibMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  57 {
  58     switch (fdwReason) {
  59     case DLL_PROCESS_ATTACH:
  60         break;
  61
  62     case DLL_PROCESS_DETACH:
  63         break;
  64     }
  65
  66     return TRUE;
  67 }
  68
  69 /*************************************************************************
  70  *           UuidCreate   [RPCRT4]
  71  *
  72  * Creates a 128bit UUID.
  73  * Implemented according the DCE specification for UUID generation.
  74  * Code is based upon uuid library in e2fsprogs by Theodore Ts'o.
  75  * Copyright (C) 1996, 1997 Theodore Ts'o.
  76  *
  77  * RETURNS
  78  *
  79  *  S_OK if successful.
  80  */
  81 RPC_STATUS WINAPI UuidCreate(UUID *Uuid)
  82 {
  83    static char has_init = 0;
  84    unsigned char a[6];
  85    static int                      adjustment = 0;
  86    static struct timeval           last = {0, 0};
  87    static UINT16                   clock_seq;
  88    struct timeval                  tv;
  89    unsigned long long              clock_reg;
  90    UINT clock_high, clock_low;
  91    UINT16 temp_clock_seq, temp_clock_mid, temp_clock_hi_and_version;
  92 #ifdef HAVE_NET_IF_H
  93    int             sd;
  94    struct ifreq    ifr, *ifrp;
  95    struct ifconf   ifc;
  96    char buf[1024];
  97    int             n, i;
  98 #endif
  99
 100    /* Have we already tried to get the MAC address? */
 101    if (!has_init) {
 102 #ifdef HAVE_NET_IF_H
 103       /* BSD 4.4 defines the size of an ifreq to be
 104        * max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len
 105        * However, under earlier systems, sa_len isn't present, so
 106        *  the size is just sizeof(struct ifreq)
 107        */
 108 #ifdef HAVE_SA_LEN
 109 #  ifndef max
 110 #   define max(a,b) ((a) > (b) ? (a) : (b))
 111 #  endif
 112 #  define ifreq_size(i) max(sizeof(struct ifreq),\
 113 sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
 114 # else
 115 #  define ifreq_size(i) sizeof(struct ifreq)
 116 # endif /* HAVE_SA_LEN */
 117
 118       sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
 119       if (sd < 0) {
 120          /* if we can't open a socket, just use random numbers */
 121          /* set the multicast bit to prevent conflicts with real cards */
 122          a[0] = (rand() & 0xff) | 0x80;
 123          a[1] = rand() & 0xff;
 124          a[2] = rand() & 0xff;
 125          a[3] = rand() & 0xff;
 126          a[4] = rand() & 0xff;
 127          a[5] = rand() & 0xff;
 128       } else {
 129          memset(buf, 0, sizeof(buf));
 130          ifc.ifc_len = sizeof(buf);
 131          ifc.ifc_buf = buf;
 132          /* get the ifconf interface */
 133          if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0) {
 134             close(sd);
 135             /* no ifconf, so just use random numbers */
 136             /* set the multicast bit to prevent conflicts with real cards */
 137             a[0] = (rand() & 0xff) | 0x80;
 138             a[1] = rand() & 0xff;
 139             a[2] = rand() & 0xff;
 140             a[3] = rand() & 0xff;
 141             a[4] = rand() & 0xff;
 142             a[5] = rand() & 0xff;
 143          } else {
 144             /* loop through the interfaces, looking for a valid one */
 145             n = ifc.ifc_len;
 146             for (i = 0; i < n; i+= ifreq_size(*ifr) ) {
 147                ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i);
 148                strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ);
 149                /* try to get the address for this interface */
 150 # ifdef SIOCGIFHWADDR
 151                if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0)
 152                    continue;
 153                memcpy(a, (unsigned char *)&ifr.ifr_hwaddr.sa_data, 6);
 154 # else
 155 #  ifdef SIOCGENADDR
 156                if (ioctl(sd, SIOCGENADDR, &ifr) < 0)
 157                    continue;
 158                memcpy(a, (unsigned char *) ifr.ifr_enaddr, 6);
 159 #  else
 160                /* XXX we don't have a way of getting the hardware address */
 161                close(sd);
 162                a[0] = 0;
 163                break;
 164 #  endif /* SIOCGENADDR */
 165 # endif /* SIOCGIFHWADDR */
 166                /* make sure it's not blank */
 167                if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5])
 168                    continue;
 169
 170                goto valid_address;
 171             }
 172             /* if we didn't find a valid address, make a random one */
 173             /* once again, set multicast bit to avoid conflicts */
 174             a[0] = (rand() & 0xff) | 0x80;
 175             a[1] = rand() & 0xff;
 176             a[2] = rand() & 0xff;
 177             a[3] = rand() & 0xff;
 178             a[4] = rand() & 0xff;
 179             a[5] = rand() & 0xff;
 180
 181             valid_address:
 182             close(sd);
 183          }
 184       }
 185 #else
 186       /* no networking info, so generate a random address */
 187       a[0] = (rand() & 0xff) | 0x80;
 188       a[1] = rand() & 0xff;
 189       a[2] = rand() & 0xff;
 190       a[3] = rand() & 0xff;
 191       a[4] = rand() & 0xff;
 192       a[5] = rand() & 0xff;
 193 #endif /* HAVE_NET_IF_H */
 194       has_init = 1;
 195    }
 196
 197    /* generate time element of GUID */
 198
 199    /* Assume that the gettimeofday() has microsecond granularity */
 200 #define MAX_ADJUSTMENT 10
 201
 202    try_again:
 203    gettimeofday(&tv, 0);
 204    if ((last.tv_sec == 0) && (last.tv_usec == 0)) {
 205       clock_seq = ((rand() & 0xff) << 8) + (rand() & 0xff);
 206       clock_seq &= 0x1FFF;
 207       last = tv;
 208       last.tv_sec--;
 209    }
 210    if ((tv.tv_sec < last.tv_sec) ||
 211        ((tv.tv_sec == last.tv_sec) &&
 212         (tv.tv_usec < last.tv_usec))) {
 213       clock_seq = (clock_seq+1) & 0x1FFF;
 214       adjustment = 0;
 215    } else if ((tv.tv_sec == last.tv_sec) &&
 216               (tv.tv_usec == last.tv_usec)) {
 217       if (adjustment >= MAX_ADJUSTMENT)
 218           goto try_again;
 219       adjustment++;
 220    } else
 221        adjustment = 0;
 222
 223    clock_reg = tv.tv_usec*10 + adjustment;
 224    clock_reg += ((unsigned long long) tv.tv_sec)*10000000;
 225    clock_reg += (((unsigned long long) 0x01B21DD2) << 32) + 0x13814000;
 226
 227    clock_high = clock_reg >> 32;
 228    clock_low = clock_reg;
 229    temp_clock_seq = clock_seq | 0x8000;
 230    temp_clock_mid = (UINT16)clock_high;
 231    temp_clock_hi_and_version = (clock_high >> 16) | 0x1000;
 232
 233    /* pack the information into the GUID structure */
 234
 235    ((unsigned char*)&Uuid->Data1)[3] = (unsigned char)clock_low;
 236    clock_low >>= 8;
 237    ((unsigned char*)&Uuid->Data1)[2] = (unsigned char)clock_low;
 238    clock_low >>= 8;
 239    ((unsigned char*)&Uuid->Data1)[1] = (unsigned char)clock_low;
 240    clock_low >>= 8;
 241    ((unsigned char*)&Uuid->Data1)[0] = (unsigned char)clock_low;
 242
 243    ((unsigned char*)&Uuid->Data2)[1] = (unsigned char)temp_clock_mid;
 244    temp_clock_mid >>= 8;
 245    ((unsigned char*)&Uuid->Data2)[0] = (unsigned char)temp_clock_mid;
 246
 247    ((unsigned char*)&Uuid->Data3)[1] = (unsigned char)temp_clock_hi_and_version;
 248    temp_clock_hi_and_version >>= 8;
 249    ((unsigned char*)&Uuid->Data3)[0] = (unsigned char)temp_clock_hi_and_version;
 250
 251    ((unsigned char*)Uuid->Data4)[1] = (unsigned char)temp_clock_seq;
 252    temp_clock_seq >>= 8;
 253    ((unsigned char*)Uuid->Data4)[0] = (unsigned char)temp_clock_seq;
 254
 255    ((unsigned char*)Uuid->Data4)[2] = a[0];
 256    ((unsigned char*)Uuid->Data4)[3] = a[1];
 257    ((unsigned char*)Uuid->Data4)[4] = a[2];
 258    ((unsigned char*)Uuid->Data4)[5] = a[3];
 259    ((unsigned char*)Uuid->Data4)[6] = a[4];
 260    ((unsigned char*)Uuid->Data4)[7] = a[5];
 261
 262    TRACE("%s", debugstr_guid(Uuid));
 263
 264    return S_OK;
 265 }
 266
 267 /*************************************************************************
 268  *           RpcStringFreeA   [RPCRT4.436]
 269  *
 270  * Frees a character string allocated by the RPC run-time library.
 271  *
 272  * RETURNS
 273  *
 274  *  S_OK if successful.
 275  */
 276 RPC_STATUS WINAPI RpcStringFreeA(unsigned char** String)
 277 {
 278   HeapFree( GetProcessHeap(), 0, *String);
 279
 280   return S_OK;
 281 }
 282
 283 /*************************************************************************
 284  *           UuidToStringA   [RPCRT4.450]
 285  *
 286  * Converts a UUID to a string.
 287  *
 288  * UUID format is 8 hex digits, followed by a hyphen then three groups of
 289  * 4 hex digits each followed by a hyphen and then 12 hex digits
 290  *
 291  * RETURNS
 292  *
 293  *  S_OK if successful.
 294  *  S_OUT_OF_MEMORY if unsucessful.
 295  */
 296 RPC_STATUS WINAPI UuidToStringA(UUID *Uuid, unsigned char** StringUuid)
 297 {
 298   *StringUuid = HeapAlloc( GetProcessHeap(), 0, sizeof(char) * 37);
 299
 300
 301   /* FIXME: this should be RPC_S_OUT_OF_MEMORY */
 302   if(!(*StringUuid))
 303     return ERROR_OUTOFMEMORY;
 304
 305        sprintf(*StringUuid, "{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
 306                  Uuid->Data1, Uuid->Data2, Uuid->Data3,
 307                  Uuid->Data4[0], Uuid->Data4[1], Uuid->Data4[2],
 308                  Uuid->Data4[3], Uuid->Data4[4], Uuid->Data4[5],
 309                  Uuid->Data4[6], Uuid->Data4[7] );
 310
 311   return S_OK; /*FIXME: this should be RPC_S_OK */
 312 }
 313
 314 /***********************************************************************
 315  *              NdrDllRegisterProxy (RPCRT4.@)
 316  */
 317 HRESULT WINAPI NdrDllRegisterProxy(
 318   HMODULE hDll,          /* [in] */
 319   void **pProxyFileList, /* [???] FIXME: const ProxyFileInfo ** */
 320   const CLSID *pclsid    /* [in] */
 321 ) {
 322   FIXME("(%x,%p,%s), stub!\n",hDll,pProxyFileList,debugstr_guid(pclsid));
 323   return S_OK;
 324 }