1 files changed, 62 insertions, 0 deletions
diff --git a/src/socket_send.c b/src/socket_send.c
new file mode 100644
index 0000000..73b15a2
--- /dev/null
+++ b/src/socket_send.c
@@ -0,0 +1,62 @@
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include "byte.h"
+#include "ip.h"
+#include "socket_if.h"
+
+/**
+  * @file socket_send.c
+  * @authors djb, fefe, feh
+  * @ref ucspi-tcp6
+  * @brief setup sending socket
+  */
+
+int socket_send4(int s,const char *buf,unsigned int len,const char ip[4],uint16 port)
+{
+  struct sockaddr_in sa;
+
+  byte_zero(&sa,sizeof(sa));
+
+  sa.sin_family = AF_INET;
+  uint16_pack_big((char *)&sa.sin_port,port);
+  byte_copy((char *)&sa.sin_addr,4,ip);
+
+  return sendto(s,buf,len,0,(struct sockaddr *)&sa,sizeof(sa));
+}
+
+int socket_send6(int s,const char *buf,unsigned int len,const char ip[16],uint16 port,uint32 scope_id)
+{
+  struct sockaddr_in6 sa;
+
+  byte_zero(&sa,sizeof(sa));
+
+  sa.sin6_family = AF_INET6;
+  sa.sin6_scope_id = scope_id;
+  uint16_pack_big((char *)&sa.sin6_port,port);
+  byte_copy((char *)&sa.sin6_addr,16,ip);
+
+  return sendto(s,buf,len,0,(struct sockaddr *)&sa,sizeof(sa));
+}
+
+int socket_send(int s,const char *buf,unsigned int len,const char ip[16],uint16 port,uint32 scope_id)
+{ 
+  if (ip6_isv4mapped(ip))
+    return socket_send4(s,buf,len,ip + 12,port);
+  else 
+    return socket_send6(s,buf,len,ip,port,scope_id);
+} 
+
+int socket_broadcast4(int s,const char *buf,unsigned int len,uint16 port)
+{
+  struct sockaddr_in sa;
+
+  byte_zero(&sa,sizeof(sa));
+
+  sa.sin_family = AF_INET;
+  uint16_pack_big((char *)&sa.sin_port,port);
+  byte_copy((char *)&sa.sin_addr,4,V4broadcast);
+
+  return sendto(s,buf,len,0,(struct sockaddr *)&sa,sizeof(sa));
+}