X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=lcr.git;a=blobdiff_plain;f=gsm.cpp;h=ee46ff6503da426aaf701c17978dfd49e9f1a1cd;hp=31a796773195be68d352f20c3be562fd6a52e40c;hb=0ab74c122c8965a916fc395c0f72d4599aeb3f9f;hpb=cbc7e7fdf73ec34e1d060a8d93235b031ccbe602

diff --git a/gsm.cpp b/gsm.cpp
index 31a7967..ee46ff6 100644
--- a/gsm.cpp
+++ b/gsm.cpp
@@ -1109,6 +1109,7 @@ static int mncc_fd_read(struct lcr_fd *lfd, void *inst, int idx)
 	int rc;
 	static char buf[sizeof(struct gsm_mncc)+1024];
 	struct gsm_mncc *mncc_prim = (struct gsm_mncc *) buf;
+	struct gsm_mncc_hello *hello = (struct gsm_mncc_hello *) buf;
 
 	memset(buf, 0, sizeof(buf));
 	rc = recv(lfd->fd, buf, sizeof(buf), 0);
@@ -1117,6 +1118,17 @@ static int mncc_fd_read(struct lcr_fd *lfd, void *inst, int idx)
 	if (rc < 0)
 		return rc;
 
+	/* TODO: size check? */
+	switch (mncc_prim->msg_type) {
+	case MNCC_SOCKET_HELLO:
+		if (hello->version != MNCC_SOCK_VERSION) {
+			PERROR("MNCC version different. BSC version is %u\n", hello->version);
+			mncc_fd_close(lcr_gsm, lfd);
+			return 0;
+		}
+		break;
+	}
+
 	/* Hand the MNCC message into LCR */
 	switch (lcr_gsm->type) {
 #ifdef WITH_GSM_BS