--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pircharge/init.c	Tue Dec 19 02:58:38 2017 +0000
@@ -0,0 +1,83 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <stdio.h>
+#include <string.h>
+#include <strings.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <rvinterf/pktmux.h>
+#include <rvinterf/localsock.h>
+#include <rvinterf/exitcodes.h>
+
+extern char *socket_pathname;
+extern int sock;
+
+connect_local_socket()
+{
+	/* local socket binding voodoo copied from osmocon */
+	struct sockaddr_un local;
+	unsigned int namelen;
+	int rc;
+
+	sock = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (sock < 0) {
+		perror("socket(AF_UNIX, SOCK_STREAM, 0)");
+		exit(ERROR_UNIX);
+	}
+
+	local.sun_family = AF_UNIX;
+	strncpy(local.sun_path, socket_pathname, sizeof(local.sun_path));
+	local.sun_path[sizeof(local.sun_path) - 1] = '\0';
+
+	/* we use the same magic that X11 uses in Xtranssock.c for
+	 * calculating the proper length of the sockaddr */
+#if defined(BSD44SOCKETS) || defined(__UNIXWARE__)
+	local.sun_len = strlen(local.sun_path);
+#endif
+#if defined(BSD44SOCKETS) || defined(SUN_LEN)
+	namelen = SUN_LEN(&local);
+#else
+	namelen = strlen(local.sun_path) +
+		  offsetof(struct sockaddr_un, sun_path) + 1;
+#endif
+
+	rc = connect(sock, (struct sockaddr *) &local, namelen);
+	if (rc != 0) {
+		perror(socket_pathname);
+		exit(ERROR_RVINTERF);
+	}
+
+	return(0);
+}
+
+send_init_command(cmdpkt, cmdlen)
+	u_char *cmdpkt;
+{
+	u_char lenbuf[2];
+
+	lenbuf[0] = 0;
+	lenbuf[1] = cmdlen;
+	write(sock, lenbuf, 2);
+	write(sock, cmdpkt, cmdlen);
+}
+
+init()
+{
+	static u_char want_rvt_lost[9] = {CLI2RVI_WANT_RVTRACE,
+					  0xFF, 0xFF, 0xFF, 0xFF,
+					  0x00, 0x00, 0x00, 0x00};
+	static u_char want_rvt_drv[9]  = {CLI2RVI_WANT_RVTRACE,
+					  0xFF, 0xFF, 0xFF, 0xC7,
+					  0x00, 0x0A, 0x00, 0x00};
+	static u_char want_rvt_lls[9]  = {CLI2RVI_WANT_RVTRACE,
+					  0xFF, 0xFF, 0xFF, 0xFF,
+					  0x00, 0x1E, 0x00, 0x40};
+	static u_char want_etm_mux[2] = {CLI2RVI_WANT_MUXPROTO, RVT_TM_HEADER};
+
+	localsock_prep_for_length_rx();
+	send_init_command(want_rvt_lost, 9);
+	send_init_command(want_rvt_drv, 9);
+	send_init_command(want_rvt_lls, 9);
+	send_init_command(want_etm_mux, 2);
+}