initial commit

ip.cpp

@@ -0,0 +1,76 @@
+// gcc -Wall -Werror -O2 -s -pedantic-errors -std=gnu99 -I/usr/include/libnl3 -o nl-neigh-list nl-neigh-list.c -lnl-route-3 -lnl-3 -lnl-cli-3
+// armeb-linux-gcc -Wall -Werror -O2 -s -std=gnu99 -I/usr/include/libnl3 -o nl-neigh-list nl-neigh-list.c -L. -lnl-route-3 -lnl-3 -lnl-cli-3 -lnl-nf-3 -lnl-genl-3
+// with libs static compiled: armeb-linux-gcc -Wall -Werror -O2 -s -std=gnu99 -I/usr/include/libnl3 -o nl-neigh-list nl-neigh-list.c -L. -Wl,-Bstatic -lnl-route-3 -lnl-3 -lnl-cli-3 -lnl-nf-3 -lnl-genl-3 -Wl,-Bdynamic -lpthread -ldl -lm
+
+extern "C" {
+#include <netlink/cli/utils.h>
+#include <netlink/cli/neigh.h>
+#include <pthread.h>
+}
+
+#include "ip.h"
+
+IP::IP() :
+QObject(0),
+m_buf(),
+m_mac()
+{
+
+}
+
+const char* IP::get_mac(const char *ip) {
+  struct nl_sock *sock;
+  struct rtnl_neigh *neigh;
+  struct nl_cache *neigh_cache;
+  struct nl_dump_params params;
+
+  memset(&params, 0, sizeof(struct nl_dump_params));
+
+  params.dp_type = NL_DUMP_LINE;
+  params.dp_fd = NULL;
+  params.dp_buf = m_buf;
+  params.dp_buflen = BUFLEN;
+
+  char *ipAddr = strndup(ip, strlen(ip));
+
+  sock = nl_cli_alloc_socket();
+  nl_cli_connect(sock, NETLINK_ROUTE);
+  neigh_cache = nl_cli_neigh_alloc_cache(sock);
+  neigh = nl_cli_neigh_alloc();
+
+  //case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
+  nl_cli_neigh_parse_dst(neigh, ipAddr);
+
+  memset(m_buf, 0, BUFLEN);
+  memset(m_mac, 0, MACBUFLEN);
+
+	nl_cache_dump_filter(neigh_cache, &params, OBJ_CAST(neigh));
+
+  //char data[128] = {0};
+  unsigned short count = 0;
+  char *rest = NULL;
+  char *field = strtok_r(m_buf, " ", &rest);
+
+  while(field != NULL) {
+    ++count;
+
+    if(count == 5) {
+      if(strstr(field, ":") != NULL) {
+        memcpy(m_mac, field, MACBUFLEN - 1);
+      }
+    }
+
+    field = strtok_r(NULL, " ", &rest);
+  }
+
+  nl_object_free(OBJ_CAST(neigh));
+  nl_cache_free(neigh_cache);
+  nl_socket_free(sock);
+  free(ipAddr);
+
+  if(m_mac == NULL || count == 0) {
+    return "00:00:00:00:00:00";
+  }
+
+  return m_mac;
+}

ip.h

@@ -0,0 +1,21 @@
+#ifndef IP_H
+#define IP_H
+
+#include <QObject>
+
+#define BUFLEN 65535
+#define MACBUFLEN 18
+
+class Q_DECL_EXPORT IP : public QObject {
+Q_OBJECT
+
+public:
+  IP();
+  const char* get_mac(const char *ip);
+
+private:
+  char m_buf[BUFLEN];
+  char m_mac[MACBUFLEN];
+};
+
+#endif // IP

libip.pro

@@ -0,0 +1,16 @@
+######################################################################
+# Automatically generated by qmake (3.0) Wed Aug 14 06:38:20 2013
+######################################################################
+
+QT += core
+TEMPLATE = lib
+TARGET = ip
+INCLUDEPATH += /usr/include/libnl3
+
+QMAKE_CXXFLAGS += -Wall -Wextra -Werror
+QMAKE_CFLAGS += -Wall -Wextra -Werror
+
+LIBS += -lnl-route-3 -lnl-3 -lnl-cli-3
+
+HEADERS += ip.h
+SOURCES += ip.cpp