dlls/netapi32/netapi32.c

   1 /*
   2  * Copyright 2001 Mike McCormack
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <string.h>
  22 #include <stdio.h>
  23 #include <fcntl.h>
  24 #ifdef HAVE_UNISTD_H
  25 # include <unistd.h>
  26 #endif
  27
  28 #include "winbase.h"
  29 #include "winreg.h"
  30 #include "wingdi.h"
  31 #include "winuser.h"
  32 #include "wine/debug.h"
  33 #include "winerror.h"
  34 #include "nb30.h"
  35
  36 #ifdef HAVE_SYS_FILE_H
  37 # include <sys/file.h>
  38 #endif
  39 #ifdef HAVE_SYS_IOCTL_H
  40 # include <sys/ioctl.h>
  41 #endif
  42 #ifdef HAVE_SYS_SOCKET_H
  43 # include <sys/socket.h>
  44 #endif
  45 #ifdef HAVE_SYS_SOCKIO_H
  46 # include <sys/sockio.h>
  47 #endif
  48 #ifdef HAVE_NET_IF_H
  49 # include <net/if.h>
  50 #endif
  51 #ifdef HAVE_NETINET_IN_H
  52 # include <netinet/in.h>
  53 #endif
  54
  55 #ifdef HAVE_SOCKADDR_SA_LEN
  56 #  ifndef max
  57 #   define max(a,b) ((a) > (b) ? (a) : (b))
  58 #  endif
  59 #  define ifreq_size(i) max(sizeof(struct ifreq),\
  60 sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
  61 # else
  62 #  define ifreq_size(i) sizeof(struct ifreq)
  63 # endif /* defined(HAVE_SOCKADDR_SA_LEN) */
  64
  65 WINE_DEFAULT_DEBUG_CHANNEL(netbios);
  66
  67 HMODULE NETAPI32_hModule = 0;
  68
  69 struct NetBiosAdapter
  70 {
  71     int valid;
  72     unsigned char address[6];
  73 };
  74
  75 static struct NetBiosAdapter NETBIOS_Adapter[MAX_LANA];
  76
  77 # ifdef SIOCGIFHWADDR
  78 int get_hw_address(int sd, struct ifreq *ifr, unsigned char *address)
  79 {
  80     if (ioctl(sd, SIOCGIFHWADDR, ifr) < 0)
  81         return -1;
  82     memcpy(address, (unsigned char *)&ifr->ifr_hwaddr.sa_data, 6);
  83     return 0;
  84 }
  85 # else
  86 #  ifdef SIOCGENADDR
  87 int get_hw_address(int sd, struct ifreq *ifr, unsigned char *address)
  88 {
  89     if (ioctl(sd, SIOCGENADDR, ifr) < 0)
  90         return -1;
  91     memcpy(address, (unsigned char *) ifr->ifr_enaddr, 6);
  92     return 0;
  93 }
  94 #   else
  95 int get_hw_address(int sd, struct ifreq *ifr, unsigned char *address)
  96 {
  97     return -1;
  98 }
  99 #  endif /* SIOCGENADDR */
 100 # endif /* SIOCGIFHWADDR */
 101
 102 static UCHAR NETBIOS_Enum(PNCB ncb)
 103 {
 104 #ifdef HAVE_NET_IF_H
 105     int             sd;
 106     struct ifreq    ifr, *ifrp;
 107     struct ifconf   ifc;
 108     unsigned char   buf[1024];
 109     int             i, ofs;
 110 #endif
 111     LANA_ENUM *lanas = (PLANA_ENUM) ncb->ncb_buffer;
 112
 113     TRACE("NCBENUM\n");
 114
 115     lanas->length = 0;
 116
 117 #ifdef HAVE_NET_IF_H
 118     /* BSD 4.4 defines the size of an ifreq to be
 119      * max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len
 120      * However, under earlier systems, sa_len isn't present, so
 121      *  the size is just sizeof(struct ifreq)
 122      */
 123
 124     sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
 125     if (sd < 0)
 126         return NRC_OPENERROR;
 127
 128     memset(buf, 0, sizeof(buf));
 129     ifc.ifc_len = sizeof(buf);
 130     ifc.ifc_buf = buf;
 131     /* get the ifconf interface */
 132     if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0)
 133     {
 134         close(sd);
 135         return NRC_OPENERROR;
 136     }
 137
 138     /* loop through the interfaces, looking for a valid one */
 139     /* n = ifc.ifc_len; */
 140     ofs = 0;
 141     for (i = 0; i < ifc.ifc_len; i++)
 142     {
 143         unsigned char *a = NETBIOS_Adapter[i].address;
 144
 145         ifrp = (struct ifreq *)((char *)ifc.ifc_buf+ofs);
 146         strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ);
 147
 148         /* try to get the address for this interface */
 149         if(get_hw_address(sd, &ifr, a)==0)
 150         {
 151             /* make sure it's not blank */
 152             /* if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5])
 153                 continue; */
 154
 155             TRACE("Found valid adapter %d at %02x:%02x:%02x:%02x:%02x:%02x\n", i,
 156                         a[0],a[1],a[2],a[3],a[4],a[5]);
 157
 158             NETBIOS_Adapter[i].valid = TRUE;
 159             lanas->lana[lanas->length] = i;
 160             lanas->length++;
 161         }
 162         ofs += ifreq_size(ifr);
 163     }
 164     close(sd);
 165 #endif /* HAVE_NET_IF_H */
 166     return NRC_GOODRET;
 167 }
 168
 169
 170 static UCHAR NETBIOS_Astat(PNCB ncb)
 171 {
 172     struct NetBiosAdapter *nad = &NETBIOS_Adapter[ncb->ncb_lana_num];
 173     PADAPTER_STATUS astat = (PADAPTER_STATUS) ncb->ncb_buffer;
 174
 175     TRACE("NCBASTAT (Adapter %d)\n", ncb->ncb_lana_num);
 176
 177     if(!nad->valid)
 178         return NRC_INVADDRESS;
 179
 180     memset(astat, 0, sizeof astat);
 181     memcpy(astat->adapter_address, nad->address, sizeof astat->adapter_address);
 182
 183     return NRC_GOODRET;
 184 }
 185
 186 BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
 187 {
 188     TRACE("%p,%lx,%p\n", hinstDLL, fdwReason, lpvReserved);
 189
 190     switch (fdwReason) {
 191         case DLL_PROCESS_ATTACH:
 192             NETAPI32_hModule = hinstDLL;
 193             break;
 194         case DLL_PROCESS_DETACH:
 195             break;
 196     }
 197
 198     return TRUE;
 199 }
 200
 201 BOOL WINAPI Netbios(PNCB pncb)
 202 {
 203     UCHAR ret = NRC_ILLCMD;
 204
 205     TRACE("ncb = %p\n",pncb);
 206
 207     if(!pncb)
 208         return NRC_INVADDRESS;
 209
 210     switch(pncb->ncb_command&0x7f)
 211     {
 212     case NCBRESET:
 213         FIXME("NCBRESET adapter %d\n",pncb->ncb_lana_num);
 214         if( (pncb->ncb_lana_num < MAX_LANA ) &&
 215              NETBIOS_Adapter[pncb->ncb_lana_num].valid)
 216             ret = NRC_GOODRET;
 217         else
 218             ret = NRC_ILLCMD; /* NetBIOS emulator not found */
 219         break;
 220
 221     case NCBADDNAME:
 222         FIXME("NCBADDNAME\n");
 223         break;
 224
 225     case NCBADDGRNAME:
 226         FIXME("NCBADDGRNAME\n");
 227         break;
 228
 229     case NCBDELNAME:
 230         FIXME("NCBDELNAME\n");
 231         break;
 232
 233     case NCBSEND:
 234         FIXME("NCBSEND\n");
 235         break;
 236
 237     case NCBRECV:
 238         FIXME("NCBRECV\n");
 239         break;
 240
 241     case NCBHANGUP:
 242         FIXME("NCBHANGUP\n");
 243         break;
 244
 245     case NCBCANCEL:
 246         FIXME("NCBCANCEL\n");
 247         break;
 248
 249     case NCBLISTEN:
 250         FIXME("NCBLISTEN\n");
 251         break;
 252
 253     case NCBASTAT:
 254         ret = NETBIOS_Astat(pncb);
 255         break;
 256
 257     case NCBENUM:
 258         ret = NETBIOS_Enum(pncb);
 259         break;
 260
 261     default:
 262         FIXME("(%p): command code %02x\n", pncb, pncb->ncb_command);
 263
 264         ret = NRC_ILLCMD; /* NetBIOS emulator not found */
 265     }
 266     pncb->ncb_retcode = ret;
 267     return ret;
 268 }
 269