diff options
| -rw-r--r-- | lib/erl_interface/src/connect/ei_connect.c | 8 | ||||
| -rw-r--r-- | lib/erl_interface/src/epmd/epmd_port.c | 12 |
2 files changed, 18 insertions, 2 deletions
diff --git a/lib/erl_interface/src/connect/ei_connect.c b/lib/erl_interface/src/connect/ei_connect.c index b1b79aa0e5..e191f3fbf0 100644 --- a/lib/erl_interface/src/connect/ei_connect.c +++ b/lib/erl_interface/src/connect/ei_connect.c @@ -502,10 +502,14 @@ int ei_connect_init(ei_cnode* ec, const char* this_node_name, return ERL_ERROR; } - if (this_node_name == NULL) + if (this_node_name == NULL) { sprintf(thisalivename, "c%d", (int) getpid()); - else + } else if (strlen(this_node_name) >= sizeof(thisalivename)) { + EI_TRACE_ERR0("ei_connect_init","ERROR: this_node_name too long"); + return ERL_ERROR; + } else { strcpy(thisalivename, this_node_name); + } if ((hp = ei_gethostbyname(thishostname)) == 0) { /* Looking up IP given hostname fails. We must be on a standalone diff --git a/lib/erl_interface/src/epmd/epmd_port.c b/lib/erl_interface/src/epmd/epmd_port.c index 663b38d2d4..cf6122fafa 100644 --- a/lib/erl_interface/src/epmd/epmd_port.c +++ b/lib/erl_interface/src/epmd/epmd_port.c @@ -106,6 +106,12 @@ static int ei_epmd_r3_port (struct in_addr *addr, const char *alive, char ntoabuf[32]; #endif + if (len > sizeof(buf) - 3) + { + erl_errno = ERANGE; + return -1; + } + put16be(s,len); put8(s,EI_EPMD_PORT_REQ); strcpy(s,alive); @@ -164,6 +170,12 @@ static int ei_epmd_r4_port (struct in_addr *addr, const char *alive, #if defined(VXWORKS) char ntoabuf[32]; #endif + + if (len > sizeof(buf) - 3) + { + erl_errno = ERANGE; + return -1; + } put16be(s,len); put8(s,EI_EPMD_PORT2_REQ); |