*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
+#include "config.h"
#include <glib.h>
#ifdef HAVE_LIBPCAP
+#ifdef HAVE_PCAP_FINDALLDEVS
+
+#include <pcap.h>
+
+#else /* HAVE_PCAP_FINDALLDEVS */
+
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
# include <sys/sockio.h>
#endif
-#include "capture_ifinfo.h"
#include "capture-pcap-util.h"
-#include "capture-pcap-util-int.h"
-#ifndef HAVE_PCAP_FINDALLDEVS
-struct search_user_data {
- char *name;
- if_info_t *if_info;
-};
+#endif /* HAVE_PCAP_FINDALLDEVS */
-static void
-search_for_if_cb(gpointer data, gpointer user_data);
-#endif
+#include "capture_ifinfo.h"
+#include "capture-pcap-util.h"
+#include "capture-pcap-util-int.h"
#ifdef HAVE_PCAP_REMOTE
GList *
}
#endif
+#ifdef HAVE_PCAP_FINDALLDEVS
GList *
get_interface_list(int *err, char **err_str)
{
-#ifdef HAVE_PCAP_FINDALLDEVS
return get_interface_list_findalldevs(err, err_str);
-#else
+}
+#else /* HAVE_PCAP_FINDALLDEVS */
+struct search_user_data {
+ char *name;
+ if_info_t *if_info;
+};
+
+static void
+search_for_if_cb(gpointer data, gpointer user_data)
+{
+ struct search_user_data *search_user_data = user_data;
+ if_info_t *if_info = data;
+
+ if (strcmp(if_info->name, search_user_data->name) == 0)
+ search_user_data->if_info = if_info;
+}
+
+GList *
+get_interface_list(int *err, char **err_str)
+{
GList *il = NULL;
gint nonloopback_pos = 0;
struct ifreq *ifr, *last;
char *buf;
if_info_t *if_info;
char errbuf[PCAP_ERRBUF_SIZE];
+ gboolean loopback;
if (sock < 0) {
*err = CANT_GET_INTERFACE_LIST;
if (err_str != NULL) {
*err_str = g_strdup_printf(
"Can't get list of interfaces: error opening socket: %s",
- strerror(errno));
+ g_strerror(errno));
}
return NULL;
}
if (err_str != NULL) {
*err_str = g_strdup_printf(
"Can't get list of interfaces: SIOCGIFCONF ioctl error: %s",
- strerror(errno));
+ g_strerror(errno));
}
goto fail;
}
} else {
- if ((unsigned) ifc.ifc_len < sizeof(struct ifreq)) {
+ if ((unsigned int) ifc.ifc_len < sizeof(struct ifreq)) {
if (err_str != NULL) {
*err_str = g_strdup(
"Can't get list of interfaces: SIOCGIFCONF ioctl gave too small return buffer");
if (err_str != NULL) {
*err_str = g_strdup_printf(
"Can't get list of interfaces: SIOCGIFFLAGS error getting flags for interface %s: %s",
- ifr->ifr_name, strerror(errno));
+ ifr->ifr_name, g_strerror(errno));
}
goto fail;
}
* don't want a loopback interface to be the default capture
* device unless there are no non-loopback devices.
*/
- if_info = if_info_new(ifr->ifr_name, NULL);
+ loopback = ((ifrflags.ifr_flags & IFF_LOOPBACK) ||
+ strncmp(ifr->ifr_name, "lo", 2) == 0);
+ if_info = if_info_new(ifr->ifr_name, NULL, loopback);
if_info_add_address(if_info, &ifr->ifr_addr);
- if ((ifrflags.ifr_flags & IFF_LOOPBACK) ||
- strncmp(ifr->ifr_name, "lo", 2) == 0) {
- if_info->loopback = TRUE;
+ if (loopback)
il = g_list_append(il, if_info);
- } else {
- if_info->loopback = FALSE;
+ else {
il = g_list_insert(il, if_info, nonloopback_pos);
/*
* Insert the next non-loopback interface after this
* It worked; we can use the "any" device.
*/
if_info = if_info_new("any",
- "Pseudo-device that captures on all interfaces");
+ "Pseudo-device that captures on all interfaces", FALSE);
il = g_list_insert(il, if_info, -1);
pcap_close(pch);
}
close(sock);
*err = CANT_GET_INTERFACE_LIST;
return NULL;
-#endif /* HAVE_PCAP_FINDALLDEVS */
-}
-
-#ifndef HAVE_PCAP_FINDALLDEVS
-static void
-search_for_if_cb(gpointer data, gpointer user_data)
-{
- struct search_user_data *search_user_data = user_data;
- if_info_t *if_info = data;
-
- if (strcmp(if_info->name, search_user_data->name) == 0)
- search_user_data->if_info = if_info;
}
#endif /* HAVE_PCAP_FINDALLDEVS */
void
get_compiled_pcap_version(GString *str)
{
-#ifdef HAVE_PCAP_VERSION
- extern char pcap_version[];
-
- g_string_append_printf(str, "with libpcap %s", pcap_version);
-#else
- g_string_append(str, "with libpcap (version unknown)");
-#endif
+ /*
+ * NOTE: in *some* flavors of UN*X, the data from a shared
+ * library might be linked into executable images that are
+ * linked with that shared library, in which case you could
+ * look at pcap_version[] to get the version with which
+ * the program was compiled.
+ *
+ * In other flavors of UN*X, that doesn't happen, so
+ * pcap_version[] gives you the version the program is
+ * running with, not the version it was built with, and,
+ * in at least some of them, if the length of a data item
+ * referred to by the executable - such as the pcap_version[]
+ * string - isn't the same in the version of the library
+ * with which the program was built and the version with
+ * which it was run, the run-time linker will complain,
+ * which is Not Good.
+ *
+ * So, for now, we just give up on reporting the version
+ * of libpcap with which we were compiled.
+ */
+ g_string_append(str, "with libpcap");
}
/*
git.samba.org / metze / wireshark / wip.git / blobdiff