#include <mapmem.h>
#include "nfs.h"
#include "bootp.h"
+#include <time.h>
#define HASHES_PER_LINE 65 /* Number of "loading" hashes per line */
#define NFS_RETRY_COUNT 30
rpc_pkt.u.call.vers = htonl(2); /* portmapper is version 2 */
}
rpc_pkt.u.call.proc = htonl(rpc_proc);
- p = (uint32_t *)&(rpc_pkt.u.call.data);
+ p = rpc_pkt.u.call.data;
if (datalen)
- memcpy((char *)p, (char *)data, datalen*sizeof(uint32_t));
+ memcpy(p, data, datalen * sizeof(uint32_t));
pktlen = (char *)p + datalen * sizeof(uint32_t) - (char *)&rpc_pkt;
}
if (supported_nfs_versions & NFSV2_FLAG) {
+ if (((uchar *)&(rpc_pkt.u.reply.data[0]) - (uchar *)(&rpc_pkt) + NFS_FHSIZE) > len)
+ return -NFS_RPC_DROP;
memcpy(filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE);
} else { /* NFSV3_FLAG */
filefh3_length = ntohl(rpc_pkt.u.reply.data[1]);
if (filefh3_length > NFS3_FHSIZE)
filefh3_length = NFS3_FHSIZE;
+ if (((uchar *)&(rpc_pkt.u.reply.data[0]) - (uchar *)(&rpc_pkt) + filefh3_length) > len)
+ return -NFS_RPC_DROP;
memcpy(filefh, rpc_pkt.u.reply.data + 2, filefh3_length);
}
static int nfs3_get_attributes_offset(uint32_t *data)
{
- if (ntohl(data[1]) != 0) {
+ if (data[1]) {
/* 'attributes_follow' flag is TRUE,
* so we have attributes on 21 dwords */
/* Skip unused values :
/* new path length */
rlen = ntohl(rpc_pkt.u.reply.data[1 + nfsv3_data_offset]);
+ if (((uchar *)&(rpc_pkt.u.reply.data[0]) - (uchar *)(&rpc_pkt) + rlen) > len)
+ return -NFS_RPC_DROP;
+
if (*((char *)&(rpc_pkt.u.reply.data[2 + nfsv3_data_offset])) != '/') {
int pathlen;
&(rpc_pkt.u.reply.data[4 + nfsv3_data_offset]);
}
+ if (((uchar *)&(rpc_pkt.u.reply.data[0]) - (uchar *)(&rpc_pkt) + rlen) > len)
+ return -9999;
+
if (store_block(data_ptr, nfs_offset, rlen))
return -9999;
debug("%s\n", __func__);
+ if (len > sizeof(struct rpc_t))
+ return;
+
if (dest != nfs_our_port)
return;