53{
54 int i;
58 char ifc[12];
59 char addrstr[128];
60 char bcstr[128];
61 char netmaskstr[128];
62 FILE *f;
63 int have_ifc;
64 struct sockaddr_in a4;
65 struct sockaddr_in6 a6;
66 struct in_addr v4;
67 struct in6_addr v6;
68 struct sockaddr_in bcaddr;
69 struct sockaddr_in netmask;
70 struct sockaddr_in6 netmask6;
71 struct sockaddr *pass_bcaddr;
72 struct sockaddr *pass_netmask;
73 int prefixlen;
74 static char *pcall;
75
76 if (NULL == pcall)
77 {
78 const char *sbin_ifconfig;
79
80#ifdef IFCONFIG
81 if (0 == access (IFCONFIG, X_OK))
82 sbin_ifconfig = IFCONFIG;
83 else
84#endif
85 if (0 == access ("/sbin/ifconfig", X_OK))
86 sbin_ifconfig = "/sbin/ifconfig";
87 else if (0 == access ("/usr/sbin/ifconfig", X_OK))
88 sbin_ifconfig = "/usr/sbin/ifconfig";
89 else
90 sbin_ifconfig = "ifconfig";
92 "%s -a 2> /dev/null",
93 sbin_ifconfig);
94 }
95 f = popen (pcall, "r");
96 if (NULL == f)
97 {
99 "popen",
100 "ifconfig");
101
103 }
104
106 ifc[11] = '\0';
107 while (NULL != fgets (
line,
sizeof(
line), f))
108 {
109 if (strlen (
line) == 0)
110 {
112 continue;
113 }
114 if (! isspace (
line[0]))
115 {
117
118 if (ifc[strlen (ifc) - 1] == ':')
119 ifc[strlen (ifc) - 1] = '\0';
120 continue;
121 }
122 if (! have_ifc)
123 continue;
124
125
127 {
130 }
131 prefixlen = -1;
132
134 while ((
'\0' != *
start) && (isspace (*
start)))
136
137
138 memset (addrstr, 0, 128);
139 memset (netmaskstr, 0, 128);
140 memset (bcstr, 0, 128);
141 prefixlen = 0;
142
143 if (
144 (3 == sscanf (
start,
"inet addr:%127s Bcast:%127s Mask:%127s", addrstr,
145 bcstr, netmaskstr)) ||
146 (2 == sscanf (
start,
"inet addr:%127s Mask:%127s", addrstr,
147 netmaskstr)) ||
148 (2 == sscanf (
start,
"inet6 addr:%127s %d", addrstr, &prefixlen)) ||
149
150 (1 == sscanf (
start,
"inet %127s", addrstr)) ||
151 (1 == sscanf (
start,
"inet6 %127s", addrstr)))
152 {
153
154 if (1 == inet_pton (AF_INET, addrstr, &v4))
155 {
156 memset (&a4, 0, sizeof(a4));
157 a4.sin_family = AF_INET;
158#if HAVE_SOCKADDR_IN_SIN_LEN
159 a4.sin_len = (u_char) sizeof(struct sockaddr_in);
160#endif
161 a4.sin_addr = v4;
162
163 pass_bcaddr = NULL;
164 pass_netmask = NULL;
165 if (1 == inet_pton (AF_INET, bcstr, &v4))
166 {
167 memset (&bcaddr, 0, sizeof(bcaddr));
168 bcaddr.sin_family = AF_INET;
169#if HAVE_SOCKADDR_IN_SIN_LEN
170 bcaddr.sin_len = (u_char) sizeof(struct sockaddr_in);
171#endif
172 bcaddr.sin_addr = v4;
173 pass_bcaddr = (struct sockaddr *) &bcaddr;
174 }
175 if (1 == inet_pton (AF_INET, netmaskstr, &v4))
176 {
177 memset (&netmask, 0, sizeof(netmask));
178 netmask.sin_family = AF_INET;
179#if HAVE_SOCKADDR_IN_SIN_LEN
180 netmask.sin_len = (u_char) sizeof(struct sockaddr_in);
181#endif
182 netmask.sin_addr = v4;
183 pass_netmask = (struct sockaddr *) &netmask;
184 }
185
186
188 proc (proc_cls, ifc,(0 == strcmp (ifc, GNUNET_DEFAULT_INTERFACE)),
189 (const struct sockaddr *) &a4,
190 pass_bcaddr, pass_netmask, sizeof(a4)))
191 break;
192 continue;
193 }
194
195 if (1 == inet_pton (AF_INET6, addrstr, &v6))
196 {
197 memset (&a6, 0, sizeof(a6));
198 a6.sin6_family = AF_INET6;
199#if HAVE_SOCKADDR_IN_SIN_LEN
200 a6.sin6_len = (u_char) sizeof(struct sockaddr_in6);
201#endif
202 a6.sin6_addr = v6;
203
204 pass_netmask = NULL;
205 if (prefixlen != -1)
206 {
207 memset (v6.s6_addr, 0, sizeof(v6.s6_addr));
208 for (i = 0; i < prefixlen; i++)
209 {
210 v6.s6_addr[i >> 3] |= 1 << (i & 7);
211 }
212 memset (&netmask6, 0, sizeof(netmask6));
213 netmask6.sin6_family = AF_INET6;
214#if HAVE_SOCKADDR_IN_SIN_LEN
215 netmask6.sin6_len = (u_char) sizeof(struct sockaddr_in6);
216#endif
217 netmask6.sin6_addr = v6;
218
219 pass_netmask = (struct sockaddr *) &netmask6;
220 }
221
223 proc (proc_cls, ifc,(0 == strcmp (ifc, GNUNET_DEFAULT_INTERFACE)),
224 (const struct sockaddr *) &a6,
225 NULL, pass_netmask, sizeof(a6)))
226 break;
227 continue;
228 }
229 }
230 }
231 pclose (f);
233}
234
235
243static int
245 void *proc_cls)
246{
249 char ifname[64];
250 char afstr[6];
251 char addrstr[128];
252 FILE *f;
253 struct sockaddr_in a4;
254 struct sockaddr_in6 a6;
255 struct in_addr v4;
256 struct in6_addr v6;
257 struct sockaddr_in netmask;
258 struct sockaddr_in6 netmask6;
259 unsigned int i;
260 unsigned int prefixlen;
261 static char *pcall;
262
263 if (NULL == pcall)
264 {
266
267#ifdef PATH_TO_IP
268 if (0 == access (PATH_TO_IP, X_OK))
270 else
271#endif
272 if (0 == access ("/sbin/ip", X_OK))
274 else if (0 == access ("/usr/sbin/ip", X_OK))
276 else
279 "%s -o add 2> /dev/null",
281 }
282 f = popen (pcall, "r");
283 if (! f)
284 {
286 "popen",
287 "ip");
289 }
290
291 while (NULL != fgets (
line,
sizeof(
line), f))
292 {
293
295 {
298 }
299
300 memset (ifname, 0, 64);
301 memset (afstr, 0, 6);
302 memset (addrstr, 0, 128);
303 if (4 != sscanf (
line,
304 "%*u: %63s %5s %127s %6u",
305 ifname,
306 afstr,
307 addrstr,
308 &prefixlen))
309 continue;
310
311 if ((0 == strcasecmp ("inet",
312 afstr)) &&
313 (1 == inet_pton (AF_INET,
314 addrstr,
315 &v4)))
316 {
317 memset (&a4, 0, sizeof(a4));
318 a4.sin_family = AF_INET;
319#if HAVE_SOCKADDR_IN_SIN_LEN
320 a4.sin_len = (u_char) sizeof(struct sockaddr_in);
321#endif
322 a4.sin_addr = v4;
323
324 memset (&v4.s_addr, 0, sizeof(v4.s_addr));
325 for (i = 0; i < prefixlen; i++)
326 v4.s_addr |= 1 << (i & 7);
327 memset (&netmask, 0, sizeof(netmask));
328 netmask.sin_family = AF_INET;
329#if HAVE_SOCKADDR_IN_SIN_LEN
330 netmask.sin_len = (u_char) sizeof(struct sockaddr_in);
331#endif
332 netmask.sin_addr = v4;
333
335 proc (proc_cls,
336 ifname,
337 (0 == strcmp (ifname,
338 GNUNET_DEFAULT_INTERFACE)),
339 (const struct sockaddr *) &a4,
340 NULL,
341 (const struct sockaddr *) &netmask,
342 sizeof(a4)))
343 break;
344 }
345
346 if ((0 == strcasecmp ("inet6",
347 afstr)) &&
348 (1 == inet_pton (AF_INET6,
349 addrstr,
350 &v6)))
351 {
352 memset (&a6, 0, sizeof(a6));
353 a6.sin6_family = AF_INET6;
354#if HAVE_SOCKADDR_IN_SIN_LEN
355 a6.sin6_len = (u_char) sizeof(struct sockaddr_in6);
356#endif
357 a6.sin6_addr = v6;
358
359 memset (v6.s6_addr, 0, sizeof(v6.s6_addr));
360 for (i = 0; i < prefixlen; i++)
361 v6.s6_addr[i >> 3] |= 1 << (i & 7);
362 memset (&netmask6, 0, sizeof(netmask6));
363 netmask6.sin6_family = AF_INET6;
364#if HAVE_SOCKADDR_IN_SIN_LEN
365 netmask6.sin6_len = (u_char) sizeof(struct sockaddr_in6);
366#endif
367 netmask6.sin6_addr = v6;
368
370 proc (proc_cls,
371 ifname,
372 (0 == strcmp (ifname,
373 GNUNET_DEFAULT_INTERFACE)),
374 (const struct sockaddr *) &a6,
375 NULL,
376 (const struct sockaddr *) &netmask6,
377 sizeof(a6)))
378 break;
379 }
380 }
381 pclose (f);
383}
384
385
386#endif
387
388
395void
397 void *proc_cls)
398{
399#if HAVE_GETIFADDRS && HAVE_FREEIFADDRS
400 struct ifaddrs *ifa_first;
401 struct ifaddrs *ifa_ptr;
402 socklen_t alen;
403
404 if (getifaddrs (&ifa_first) == 0)
405 {
406 for (ifa_ptr = ifa_first; ifa_ptr != NULL; ifa_ptr = ifa_ptr->ifa_next)
407 {
408 if ((ifa_ptr->ifa_name != NULL) && (ifa_ptr->ifa_addr != NULL) &&
409 ( (ifa_ptr->ifa_flags & IFF_UP) != 0) )
410 {
411 if ((ifa_ptr->ifa_addr->sa_family != AF_INET) &&
412 (ifa_ptr->ifa_addr->sa_family != AF_INET6))
413 continue;
414 if (ifa_ptr->ifa_addr->sa_family == AF_INET)
415 alen = sizeof(struct sockaddr_in);
416 else
417 alen = sizeof(struct sockaddr_in6);
419 proc (proc_cls, ifa_ptr->ifa_name,
420 (0 == strcmp (ifa_ptr->ifa_name, GNUNET_DEFAULT_INTERFACE)),
421 ifa_ptr->ifa_addr, ifa_ptr->ifa_broadaddr,
422 ifa_ptr->ifa_netmask, alen))
423 break;
424 }
425 }
426 freeifaddrs (ifa_first);
427 }
428#else
431 proc_cls))
432 return;
435 proc_cls))
436 return;
438 "Failed to enumerate network interfaces\n");
439#endif
440}
441
442
443
static int start
Set if we are to start default services (including ARM).
static char * line
Desired phone line (string to be converted to a hash).
static int replace
Replace DID Document Flag.
static const char * sbin_ip
Name and full path of IPTABLES binary.
@ GNUNET_ERROR_TYPE_WARNING
int int GNUNET_asprintf(char **buf, const char *format,...) __attribute__((format(printf
Like asprintf, just portable.
void GNUNET_OS_network_interfaces_list(GNUNET_OS_NetworkInterfaceProcessor proc, void *proc_cls)
Enumerate all network interfaces.
enum GNUNET_GenericReturnValue(* GNUNET_OS_NetworkInterfaceProcessor)(void *cls, const char *name, int isDefault, const struct sockaddr *addr, const struct sockaddr *broadcast_addr, const struct sockaddr *netmask, socklen_t addrlen)
Callback function invoked for each interface found.
static int try_ip(GNUNET_OS_NetworkInterfaceProcessor proc, void *proc_cls)
Try to enumerate all network interfaces using 'ip'.
#define LOG_STRERROR_FILE(kind, syscall, filename)
static int try_ifconfig(GNUNET_OS_NetworkInterfaceProcessor proc, void *proc_cls)
Try to enumerate all network interfaces using 'ifconfig'.