summaryrefslogtreecommitdiffstats
path: root/lanbrowsing/kcmlisa/findnic.cpp
blob: 721834c9358294489b35cab9661c0d5eb4c1584c (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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
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
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
/*
 * findnic.cpp
 *
 * Copyright (c) 2001 Alexander Neundorf <neundorf@kde.org>
 *
 *  This program 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; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include <config.h>

#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h>
#endif

#include <sys/types.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/socket.h>

#ifdef USE_SOLARIS
/* net/if.h is incompatible with STL on Solaris 2.6 - 2.8, redefine
   map in the header file because we don't need it. -- Simon Josefsson */
#define map junkmap
#endif
#  include <net/if.h>
#ifdef USE_SOLARIS
#undef map
#endif

#include <sys/ioctl.h>

#ifndef	HAVE_STRUCT_SOCKADDR_SA_LEN
	#undef HAVE_GETNAMEINFO
	#undef HAVE_GETIFADDRS
#endif

#if defined(HAVE_GETNAMEINFO) && defined(HAVE_GETIFADDRS)
	#include <ifaddrs.h>
	#include <netdb.h>
	#include <tqstring.h>

	TQString flags_tos (unsigned int flags);
#endif

#include "findnic.h"

#include <klocale.h>
#include <ksockaddr.h>

NICList* findNICs()
{
   NICList* nl=new NICList;
   nl->setAutoDelete(true);

#if !defined(HAVE_GETIFADDRS) && !defined(HAVE_GETNAMEINFO)

   int sockfd = socket(AF_INET, SOCK_DGRAM, 0);

   char buf[8*1024];
   struct ifconf ifc;
   ifc.ifc_len = sizeof(buf);
   ifc.ifc_req = (struct ifreq *) buf;
   int result=ioctl(sockfd, SIOCGIFCONF, &ifc);

   for (char* ptr = buf; ptr < buf + ifc.ifc_len; )
   {
      struct ifreq *ifr =(struct ifreq *) ptr;
      int len = sizeof(struct sockaddr);
#ifdef	HAVE_STRUCT_SOCKADDR_SA_LEN
      if (ifr->ifr_addr.sa_len > len)
         len = ifr->ifr_addr.sa_len;		/* length > 16 */
#endif
      ptr += sizeof(ifr->ifr_name) + len;	/* for next one in buffer */

      int flags;
      struct sockaddr_in *sinptr;
      MyNIC *tmp=0;
      switch (ifr->ifr_addr.sa_family)
      {
      case AF_INET:
         sinptr = (struct sockaddr_in *) &ifr->ifr_addr;
         flags=0;

         struct ifreq ifcopy;
         ifcopy=*ifr;
         result=ioctl(sockfd,SIOCGIFFLAGS,&ifcopy);
         flags=ifcopy.ifr_flags;

         tmp=new MyNIC;
         tmp->name=ifr->ifr_name;
         if ((flags & IFF_UP) == IFF_UP)
            tmp->state=i18n("Up");
         else
            tmp->state=i18n("Down");

         if ((flags & IFF_BROADCAST) == IFF_BROADCAST)
            tmp->type=i18n("Broadcast");
         else if ((flags & IFF_POINTOPOINT) == IFF_POINTOPOINT)
            tmp->type=i18n("Point to Point");
#ifndef _AIX
         else if ((flags & IFF_MULTICAST) == IFF_MULTICAST)
            tmp->type=i18n("Multicast");
#endif
         else if ((flags & IFF_LOOPBACK) == IFF_LOOPBACK)
            tmp->type=i18n("Loopback");
         else
            tmp->type=i18n("Unknown");

         tmp->addr=inet_ntoa(sinptr->sin_addr);

         ifcopy=*ifr;
         result=ioctl(sockfd,SIOCGIFNETMASK,&ifcopy);
         if (result==0)
         {
            sinptr = (struct sockaddr_in *) &ifcopy.ifr_addr;
            tmp->netmask=inet_ntoa(sinptr->sin_addr);
         }
         else
            tmp->netmask=i18n("Unknown");
         nl->append(tmp);
         break;

      default:
         break;
      }
   }
#else
  struct ifaddrs *ifap, *ifa;
  if (getifaddrs(&ifap) != 0) {
    return nl;
  }

  MyNIC *tmp=0;
  for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
    switch (ifa->ifa_addr->sa_family) {
    case AF_INET6:
    case AF_INET: {
      tmp = new MyNIC;
      tmp->name = ifa->ifa_name;

      char buf[128];

      bzero(buf, 128);
      getnameinfo(ifa->ifa_addr, ifa->ifa_addr->sa_len, buf, 127, 0, 0, NI_NUMERICHOST);
      tmp->addr = buf;

      if (ifa->ifa_netmask != NULL) {
#ifdef Q_OS_FREEBSD
	struct sockaddr_in *sinptr = (struct sockaddr_in *)ifa->ifa_netmask;
	tmp->netmask=inet_ntoa(sinptr->sin_addr);
#else
	bzero(buf, 128);
	getnameinfo(ifa->ifa_netmask, ifa->ifa_netmask->sa_len, buf, 127, 0, 0, NI_NUMERICHOST);
	tmp->netmask = buf;
#endif
      }

      if (ifa->ifa_flags & IFF_UP)
	tmp->state=i18n("Up");
      else
	tmp->state=i18n("Down");

      tmp->type = flags_tos(ifa->ifa_flags);

      nl->append(tmp);
      break;
    }
    default:
      break;
    }
  }

  freeifaddrs(ifap);
#endif
   return nl;
}

void suggestSettingsForAddress(const TQString& addrMask, LisaConfigInfo& lci)
{
   TQString ip=addrMask.left(addrMask.find("/"));
   TQString mask=addrMask.mid(addrMask.find("/")+1);

   if (mask[mask.length()-1]==';')
      mask=mask.left(mask.length()-1);
   MyNIC tmpNic;
   KInetSocketAddress::stringToAddr(AF_INET, mask.latin1(), &tmpNic.netmask);
   KInetSocketAddress::stringToAddr(AF_INET, ip.latin1(), &tmpNic.addr);
   suggestSettingsForNic(&tmpNic,lci);
}

void suggestSettingsForNic(MyNIC* nic, LisaConfigInfo& lci)
{
   lci.clear();
   if (nic==0)
      return;
   TQString address = nic->addr;
   TQString netmask = nic->netmask;

   TQString addrMask(address+"/"+netmask+";");
   struct in_addr tmpaddr;
   inet_aton(nic->netmask.latin1(), &tmpaddr);
   unsigned int tmp= ntohl(tmpaddr.s_addr);

   //if the host part is less than 20 bits simply take it
   //this might be a problem on 64 bit machines
   if (tmp>0xfffff000)
   {
      lci.pingAddresses=addrMask;
      lci.broadcastNetwork=addrMask;
      lci.allowedAddresses=addrMask;
      lci.secondWait=0;
      lci.secondScan=false;
      lci.firstWait=30;
      lci.maxPingsAtOnce=256;
      lci.updatePeriod=300;
      lci.useNmblookup=false;
      lci.unnamedHosts=false;
   }
   else
   {
      lci.pingAddresses="";
      lci.broadcastNetwork=addrMask;
      lci.allowedAddresses=addrMask;
      lci.secondWait=0;
      lci.secondScan=false;
      lci.firstWait=30;
      lci.maxPingsAtOnce=256;
      lci.updatePeriod=300;
      lci.useNmblookup=true;
      lci.unnamedHosts=false;
   }
}

LisaConfigInfo::LisaConfigInfo()
{
   clear();
}

void LisaConfigInfo::clear()
{
   pingAddresses="";
   broadcastNetwork="";
   allowedAddresses="";
   secondWait=0;
   firstWait=0;
   secondScan=false;
   maxPingsAtOnce=256;
   updatePeriod=0;
   useNmblookup=false;
   unnamedHosts=false;
}

#if defined(HAVE_GETNAMEINFO) && defined(HAVE_GETIFADDRS)
TQString flags_tos (unsigned int flags)
{
  TQString tmp;
  if (flags & IFF_POINTOPOINT) {
    tmp +=  i18n("Point to Point");
  }

  if (flags & IFF_BROADCAST) {
    if (tmp.length()) {
      tmp += TQString::fromLatin1(", ");
    }
    tmp += i18n("Broadcast");
  }
  
  if (flags & IFF_MULTICAST) {
    if (tmp.length()) {
      tmp += TQString::fromLatin1(", ");
    }
    tmp += i18n("Multicast");
  }
  
  if (flags & IFF_LOOPBACK) {
    if (tmp.length()) {
      tmp += TQString::fromLatin1(", ");
    }
    tmp += i18n("Loopback");
  }
  return tmp;
}
#endif