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-rw-r--r--lib/erl_interface/src/connect/ei_connect.c8
-rw-r--r--lib/erl_interface/src/connect/ei_connect_int.h1
2 files changed, 8 insertions, 1 deletions
diff --git a/lib/erl_interface/src/connect/ei_connect.c b/lib/erl_interface/src/connect/ei_connect.c
index d2d0a7e7c1..df3c08f412 100644
--- a/lib/erl_interface/src/connect/ei_connect.c
+++ b/lib/erl_interface/src/connect/ei_connect.c
@@ -1323,7 +1323,8 @@ static int send_name_or_challenge(int fd, char *nodename,
put32be(s, (DFLAG_EXTENDED_REFERENCES
| DFLAG_EXTENDED_PIDS_PORTS
| DFLAG_FUN_TAGS
- | DFLAG_NEW_FUN_TAGS));
+ | DFLAG_NEW_FUN_TAGS
+ | DFLAG_NEW_FLOATS));
if (f_chall)
put32be(s, challenge);
memcpy(s, nodename, strlen(nodename));
@@ -1393,6 +1394,11 @@ static int recv_challenge(int fd, unsigned *challenge,
goto error;
}
+ if (!(*flags & DFLAG_NEW_FLOATS)) {
+ EI_TRACE_ERR0("recv_challenge","<- RECV_CHALLENGE peer cannot "
+ "handle binary float encoding");
+ goto error;
+ }
if (getpeername(fd, (struct sockaddr *) &sin, &sin_len) < 0) {
EI_TRACE_ERR0("recv_challenge","<- RECV_CHALLENGE can't get peername");
diff --git a/lib/erl_interface/src/connect/ei_connect_int.h b/lib/erl_interface/src/connect/ei_connect_int.h
index 9926f799df..83ee18256f 100644
--- a/lib/erl_interface/src/connect/ei_connect_int.h
+++ b/lib/erl_interface/src/connect/ei_connect_int.h
@@ -101,6 +101,7 @@ extern int h_errno;
#define DFLAG_FUN_TAGS 16
#define DFLAG_NEW_FUN_TAGS 0x80
#define DFLAG_EXTENDED_PIDS_PORTS 0x100
+#define DFLAG_NEW_FLOATS 0x800
ei_cnode *ei_fd_to_cnode(int fd);
int ei_distversion(int fd);