/*
This file is part of GNUnet.
- (C) 2004, 2005, 2006 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2004, 2005, 2006 Christian Grothoff (and other contributing authors)
GNUnet 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, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
-
/**
* @file util/os_network.c
* @brief function to determine available network interfaces
* @author Nils Durner
* @author Heikki Lindholm
* @author Jake Dust
+ * @author LRN
*/
-
#include "platform.h"
-#include "gnunet_common.h"
-#include "gnunet_os_lib.h"
+#include "gnunet_util_lib.h"
+
+
+#define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
+#define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file (kind, "util", syscall, filename)
/**
* @brief Enumerate all network interfaces
*
* @param proc the callback function
- * @param proc_cls closure for proc
+ * @param proc_cls closure for @a proc
*/
void
GNUNET_OS_network_interfaces_list (GNUNET_OS_NetworkInterfaceProcessor proc,
void *proc_cls)
{
#ifdef MINGW
- PMIB_IFTABLE pTable;
- PMIB_IPADDRTABLE pAddrTable;
- DWORD dwIfIdx, dwExternalNIC;
- IPAddr theIP;
-
- /* Determine our external NIC */
- theIP = inet_addr ("192.0.34.166"); /* www.example.com */
- if ((!GNGetBestInterface) ||
- (GNGetBestInterface (theIP, &dwExternalNIC) != NO_ERROR))
- {
- dwExternalNIC = 0;
- }
-
- /* Enumerate NICs */
- EnumNICs (&pTable, &pAddrTable);
-
- if (pTable)
- {
- for (dwIfIdx = 0; dwIfIdx <= pTable->dwNumEntries; dwIfIdx++)
- {
- char szEntry[1001];
- DWORD dwIP = 0;
- PIP_ADAPTER_INFO pAdapterInfo;
- PIP_ADAPTER_INFO pAdapter = NULL;
- DWORD dwRetVal = 0;
-
- /* Get IP-Address */
- int i;
- for (i = 0; i < pAddrTable->dwNumEntries; i++)
- {
- if (pAddrTable->table[i].dwIndex ==
- pTable->table[dwIfIdx].dwIndex)
- {
- dwIP = pAddrTable->table[i].dwAddr;
- break;
- }
- }
-
- if (dwIP)
- {
- BYTE bPhysAddr[MAXLEN_PHYSADDR];
- char *pszIfName = NULL;
- char dst[INET_ADDRSTRLEN];
- struct sockaddr_in sa;
+ int r;
+ int i;
+ struct EnumNICs3_results *results = NULL;
+ int results_count;
- /* Get friendly interface name */
- pAdapterInfo =
- (IP_ADAPTER_INFO *) malloc (sizeof (IP_ADAPTER_INFO));
- ULONG ulOutBufLen = sizeof (IP_ADAPTER_INFO);
-
- /* Make an initial call to GetAdaptersInfo to get
- the necessary size into the ulOutBufLen variable */
- if (GGetAdaptersInfo (pAdapterInfo, &ulOutBufLen) ==
- ERROR_BUFFER_OVERFLOW)
- {
- free (pAdapterInfo);
- pAdapterInfo = (IP_ADAPTER_INFO *) malloc (ulOutBufLen);
- }
-
- if ((dwRetVal =
- GGetAdaptersInfo (pAdapterInfo, &ulOutBufLen)) == NO_ERROR)
- {
- pAdapter = pAdapterInfo;
- while (pAdapter)
- {
- if (pTable->table[dwIfIdx].dwIndex == pAdapter->Index)
- {
- char szKey[251];
- long lLen = 250;
-
- sprintf (szKey,
- "SYSTEM\\CurrentControlSet\\Control\\Network\\"
- "{4D36E972-E325-11CE-BFC1-08002BE10318}\\%s\\Connection",
- pAdapter->AdapterName);
- pszIfName = (char *) malloc (251);
- if (QueryRegistry
- (HKEY_LOCAL_MACHINE, szKey, "Name", pszIfName,
- &lLen) != ERROR_SUCCESS)
- {
- free (pszIfName);
- pszIfName = NULL;
- }
- }
- pAdapter = pAdapter->Next;
- }
- }
- free (pAdapterInfo);
-
- /* Set entry */
- memset (bPhysAddr, 0, MAXLEN_PHYSADDR);
- memcpy (bPhysAddr,
- pTable->table[dwIfIdx].bPhysAddr,
- pTable->table[dwIfIdx].dwPhysAddrLen);
-
- snprintf (szEntry, 1000, "%s (%s - %I64u)",
- pszIfName ? pszIfName : (char *)
- pTable->table[dwIfIdx].bDescr, inet_ntop (AF_INET,
- &dwIP, dst,
- INET_ADDRSTRLEN),
- *((unsigned long long *) bPhysAddr));
- szEntry[1000] = 0;
-
- if (pszIfName)
- free (pszIfName);
-
- sa.sin_family = AF_INET;
- sa.sin_addr.S_un.S_addr = dwIP;
-
- if (GNUNET_OK !=
- proc (proc_cls,
- szEntry,
- pAddrTable->table[dwIfIdx].dwIndex == dwExternalNIC,
- (const struct sockaddr *) &sa,
- 0))
- break;
- }
- }
- GlobalFree (pAddrTable);
- GlobalFree (pTable);
- }
+ r = EnumNICs3 (&results, &results_count);
+ if (r != GNUNET_OK)
+ return;
+ for (i = 0; i < results_count; i++)
+ {
+ if (GNUNET_OK !=
+ proc (proc_cls, results[i].pretty_name, results[i].is_default,
+ (const struct sockaddr *) &results[i].address,
+ results[i].
+ flags & ENUMNICS3_BCAST_OK ?
+ (const struct sockaddr *) &results[i].broadcast : NULL,
+ results[i].flags & ENUMNICS3_MASK_OK ?
+ (const struct sockaddr *) &results[i].mask : NULL,
+ results[i].addr_size))
+ break;
+ }
+ EnumNICs3_free (results);
return;
#elif HAVE_GETIFADDRS && HAVE_FREEIFADDRS
socklen_t alen;
if (getifaddrs (&ifa_first) == 0)
+ {
+ for (ifa_ptr = ifa_first; ifa_ptr != NULL; ifa_ptr = ifa_ptr->ifa_next)
{
- for (ifa_ptr = ifa_first; ifa_ptr != NULL; ifa_ptr = ifa_ptr->ifa_next)
- {
- if (ifa_ptr->ifa_name != NULL &&
- ifa_ptr->ifa_addr != NULL && (ifa_ptr->ifa_flags & IFF_UP) != 0)
- {
- if ((ifa_ptr->ifa_addr->sa_family != AF_INET) &&
- (ifa_ptr->ifa_addr->sa_family != AF_INET6))
- continue;
- if (ifa_ptr->ifa_addr->sa_family == AF_INET)
- alen = sizeof (struct sockaddr_in);
- else
- alen = sizeof (struct sockaddr_in6);
- if (GNUNET_OK != proc (proc_cls,
- ifa_ptr->ifa_name,
- 0 == strcmp (ifa_ptr->ifa_name,
- GNUNET_DEFAULT_INTERFACE),
- ifa_ptr->ifa_addr, alen))
- break;
- }
- }
- freeifaddrs (ifa_first);
+ if (ifa_ptr->ifa_name != NULL && ifa_ptr->ifa_addr != NULL &&
+ (ifa_ptr->ifa_flags & IFF_UP) != 0)
+ {
+ if ((ifa_ptr->ifa_addr->sa_family != AF_INET) &&
+ (ifa_ptr->ifa_addr->sa_family != AF_INET6))
+ continue;
+ if (ifa_ptr->ifa_addr->sa_family == AF_INET)
+ alen = sizeof (struct sockaddr_in);
+ else
+ alen = sizeof (struct sockaddr_in6);
+ if (GNUNET_OK !=
+ proc (proc_cls, ifa_ptr->ifa_name,
+ 0 == strcmp (ifa_ptr->ifa_name, GNUNET_DEFAULT_INTERFACE),
+ ifa_ptr->ifa_addr, ifa_ptr->ifa_broadaddr,
+ ifa_ptr->ifa_netmask, alen))
+ break;
+ }
}
+ freeifaddrs (ifa_first);
+ }
#else
+ int i;
char line[1024];
+ char *replace;
const char *start;
char ifc[12];
char addrstr[128];
+ char bcstr[128];
+ char netmaskstr[128];
FILE *f;
int have_ifc;
struct sockaddr_in a4;
struct sockaddr_in6 a6;
struct in_addr v4;
struct in6_addr v6;
+ struct sockaddr_in bcaddr;
+ struct sockaddr_in netmask;
+ struct sockaddr_in6 netmask6;
+ struct sockaddr *pass_bcaddr;
+ struct sockaddr *pass_netmask;
+ int prefixlen;
if (system ("ifconfig -a > /dev/null 2> /dev/null"))
if (system ("/sbin/ifconfig -a > /dev/null 2> /dev/null") == 0)
else
f = popen ("ifconfig -a 2> /dev/null", "r");
if (!f)
- {
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING |
- GNUNET_ERROR_TYPE_BULK, "popen", "ifconfig");
- return;
- }
+ {
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING | GNUNET_ERROR_TYPE_BULK,
+ "popen", "ifconfig");
+ return;
+ }
have_ifc = GNUNET_NO;
ifc[11] = '\0';
while (NULL != fgets (line, sizeof (line), f))
+ {
+ if (strlen (line) == 0)
+ {
+ have_ifc = GNUNET_NO;
+ continue;
+ }
+ if (!isspace (line[0]))
+ {
+ have_ifc = (1 == SSCANF (line, "%11s", ifc)) ? GNUNET_YES : GNUNET_NO;
+ /* would end with ':' on OSX, fix it! */
+ if (ifc[strlen (ifc) - 1] == ':')
+ ifc[strlen (ifc) - 1] = '\0';
+ continue;
+ }
+ if (!have_ifc)
+ continue; /* strange input, hope for the best */
+
+ /* make parsing of ipv6 addresses easier */
+ for (replace = line; *replace != '\0'; replace++)
{
- if (strlen (line) == 0)
+ if (*replace == '/')
+ *replace = ' ';
+ }
+ prefixlen = -1;
+
+ start = line;
+ while (('\0' != *start) && (isspace (*start)))
+ start++;
+
+ /* Zero-out stack allocated values */
+ memset (addrstr, 0, 128);
+ memset (netmaskstr, 0, 128);
+ memset (bcstr, 0, 128);
+ prefixlen = 0;
+
+ if ( /* Linux */
+ (3 == SSCANF (start, "inet addr:%127s Bcast:%127s Mask:%127s", addrstr, bcstr, netmaskstr)) ||
+ (2 == SSCANF (start, "inet addr:%127s Mask:%127s", addrstr, netmaskstr)) ||
+ (2 == SSCANF (start, "inet6 addr:%127s %d", addrstr, &prefixlen)) ||
+ /* Solaris, OS X */
+ (1 == SSCANF (start, "inet %127s", addrstr)) ||
+ (1 == SSCANF (start, "inet6 %127s", addrstr)))
+ {
+ /* IPv4 */
+ if (1 == inet_pton (AF_INET, addrstr, &v4))
+ {
+ memset (&a4, 0, sizeof (a4));
+ a4.sin_family = AF_INET;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ a4.sin_len = (u_char) sizeof (struct sockaddr_in);
+#endif
+ a4.sin_addr = v4;
+
+ pass_bcaddr = NULL;
+ pass_netmask = NULL;
+ if (1 == inet_pton (AF_INET, bcstr, &v4))
{
- have_ifc = GNUNET_NO;
- continue;
+ memset (&bcaddr, 0, sizeof (bcaddr));
+ bcaddr.sin_family = AF_INET;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ bcaddr.sin_len = (u_char) sizeof (struct sockaddr_in);
+#endif
+ bcaddr.sin_addr = v4;
+ pass_bcaddr = (struct sockaddr *) &bcaddr;
}
- if (!isspace (line[0]))
+ if (1 == inet_pton (AF_INET, netmaskstr, &v4))
{
- have_ifc =
- (1 == SSCANF (line, "%11s", ifc)) ? GNUNET_YES : GNUNET_NO;
- /* would end with ':' on OSX, fix it! */
- if (ifc[strlen (ifc) - 1] == ':')
- ifc[strlen (ifc) - 1] = '\0';
- continue;
+ memset (&netmask, 0, sizeof (netmask));
+ netmask.sin_family = AF_INET;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ netmask.sin_len = (u_char) sizeof (struct sockaddr_in);
+#endif
+ netmask.sin_addr = v4;
+ pass_netmask = (struct sockaddr *) &netmask;
}
- if (!have_ifc)
- continue; /* strange input, hope for the best */
- start = line;
- while (('\0' != *start) && (isspace (*start)))
- start++;
- if ( /* Linux */
- (1 == SSCANF (start, "inet addr:%127s", addrstr)) ||
- (1 == SSCANF (start, "inet6 addr:%127s", addrstr)) ||
- /* Solaris, OS X */
- (1 == SSCANF (start, "inet %127s", addrstr)) ||
- (1 == SSCANF (start, "inet6 %127s", addrstr)))
+
+
+ if (GNUNET_OK !=
+ proc (proc_cls, ifc, 0 == strcmp (ifc, GNUNET_DEFAULT_INTERFACE),
+ (const struct sockaddr *) &a4,
+ pass_bcaddr, pass_netmask, sizeof (a4)))
+ break;
+ continue;
+ }
+ /* IPv6 */
+ if (1 == inet_pton (AF_INET6, addrstr, &v6))
+ {
+ memset (&a6, 0, sizeof (a6));
+ a6.sin6_family = AF_INET6;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ a6.sin6_len = (u_char) sizeof (struct sockaddr_in6);
+#endif
+ a6.sin6_addr = v6;
+
+ pass_netmask = NULL;
+ if (prefixlen != -1)
{
- /* IPv4 */
- if (1 == inet_pton (AF_INET, addrstr, &v4))
- {
- memset (&a4, 0, sizeof (a4));
- a4.sin_family = AF_INET;
- a4.sin_addr = v4;
- if (GNUNET_OK !=
- proc (proc_cls,
- ifc,
- 0 == strcmp (ifc, GNUNET_DEFAULT_INTERFACE),
- (const struct sockaddr *) &a4, sizeof (a4)))
- break;
- continue;
- }
- /* IPv6 */
- if (1 == inet_pton (AF_INET6, addrstr, &v6))
- {
- memset (&a6, 0, sizeof (a6));
- a6.sin6_family = AF_INET6;
- a6.sin6_addr = v6;
- fprintf (stderr, "procing %s\n", addrstr);
- if (GNUNET_OK !=
- proc (proc_cls,
- ifc,
- 0 == strcmp (ifc, GNUNET_DEFAULT_INTERFACE),
- (const struct sockaddr *) &a6, sizeof (a6)))
- break;
- continue;
- }
+ memset (v6.s6_addr, 0, sizeof (v6.s6_addr));
+ for (i = 0; i < prefixlen; i++)
+ {
+ v6.s6_addr[i >> 3] |= 1 << (i & 7);
+ }
+ memset (&netmask6, 0, sizeof (netmask6));
+ netmask6.sin6_family = AF_INET6;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ netmask6.sin6_len = (u_char) sizeof (struct sockaddr_in6);
+#endif
+ netmask6.sin6_addr = v6;
+
+ pass_netmask = (struct sockaddr *) &netmask6;
}
+
+ if (GNUNET_OK !=
+ proc (proc_cls, ifc, 0 == strcmp (ifc, GNUNET_DEFAULT_INTERFACE),
+ (const struct sockaddr *) &a6,
+ NULL, pass_netmask, sizeof (a6)))
+ break;
+ continue;
+ }
}
+ }
pclose (f);
#endif
}
projects / oweals / gnunet.git / blobdiff