diff options
Diffstat (limited to 'src/lib/rpc/pmap_rmt.c')
| -rw-r--r-- | src/lib/rpc/pmap_rmt.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/lib/rpc/pmap_rmt.c b/src/lib/rpc/pmap_rmt.c index 7cafe6e..dc9735d 100644 --- a/src/lib/rpc/pmap_rmt.c +++ b/src/lib/rpc/pmap_rmt.c @@ -165,6 +165,8 @@ xdr_rmtcallres(xdrs, crp) * routines which only support udp/ip . */ +#define GIFCONF_BUFSIZE (256 * sizeof (struct ifconf)) + static int getbroadcastnets(addrs, sock, buf) struct in_addr *addrs; @@ -176,8 +178,9 @@ getbroadcastnets(addrs, sock, buf) struct sockaddr_in *sin; int n, i; - ifc.ifc_len = UDPMSGSIZE; + ifc.ifc_len = GIFCONF_BUFSIZE; ifc.ifc_buf = buf; + memset (buf, 0, GIFCONF_BUFSIZE); if (ioctl(sock, SIOCGIFCONF, (char *)&ifc) < 0) { perror("broadcast: ioctl (get interface configuration)"); return (0); @@ -255,7 +258,11 @@ clnt_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp, eachresult) struct rmtcallres r; struct rpc_msg msg; struct timeval t; - char outbuf[MAX_BROADCAST_SIZE], inbuf[UDPMSGSIZE]; + char outbuf[MAX_BROADCAST_SIZE]; +#ifndef MAX +#define MAX(A,B) ((A)<(B)?(B):(A)) +#endif + char inbuf[MAX (UDPMSGSIZE, GIFCONF_BUFSIZE)]; /* * initialization: create a socket, a broadcast address, and |