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/*
* sunrpc portmapper
*/
#include "all.h"
typedef struct Portmap Portmap;
struct Portmap
{
int prog;
int vers;
int protocol;
int port;
};
Portmap map[] = {
100003, 2, IPPROTO_UDP, 2049, /* nfs v2 */
// 100003, 3, IPPROTO_UDP, 2049, /* nfs v3 */
100005, 1, IPPROTO_UDP, 2049, /* mount */
150001, 2, IPPROTO_UDP, 1111, /* pcnfsd v2 */
150001, 1, IPPROTO_UDP, 1111, /* pcnfsd v1 */
0, 0, 0, 0,
};
static void pmapinit(int, char**);
static int pmapnull(int, Rpccall*, Rpccall*);
static int pmapset(int, Rpccall*, Rpccall*);
static int pmapunset(int, Rpccall*, Rpccall*);
static int pmapgetport(int, Rpccall*, Rpccall*);
static int pmapdump(int, Rpccall*, Rpccall*);
static int pmapcallit(int, Rpccall*, Rpccall*);
static Procmap pmapproc[] = {
0, pmapnull,
1, pmapset,
2, pmapunset,
3, pmapgetport,
4, pmapdump,
5, pmapcallit,
0, 0
};
int myport = 111;
Progmap progmap[] = {
100000, 2, pmapinit, pmapproc,
0, 0, 0,
};
void
main(int argc, char *argv[])
{
server(argc, argv, myport, progmap);
}
static
void
pmapinit(int argc, char **argv)
{
ARGBEGIN{
default:
if(argopt(ARGC()) < 0)
sysfatal("usage: %s %s", argv0, commonopts);
break;
}ARGEND;
clog("portmapper init\n");
}
static int
pmapnull(int n, Rpccall *cmd, Rpccall *reply)
{
USED(n, cmd, reply);
return 0;
}
static int
pmapset(int n, Rpccall *cmd, Rpccall *reply)
{
uchar *dataptr = reply->results;
if(n != 16)
return garbage(reply, "bad count");
USED(cmd);
PLONG(FALSE);
return dataptr - (uchar *)reply->results;
}
static int
pmapunset(int n, Rpccall *cmd, Rpccall *reply)
{
uchar *dataptr = reply->results;
if(n != 16)
return garbage(reply, "bad count");
USED(cmd);
PLONG(TRUE);
return dataptr - (uchar *)reply->results;
}
static int
pmapgetport(int n, Rpccall *cmd, Rpccall *reply)
{
int prog, vers, prot;
uchar *argptr = cmd->args;
uchar *dataptr = reply->results;
Portmap *mp;
clog("get port\n");
if(n != 16)
return garbage(reply, "bad count");
prog = GLONG();
vers = GLONG();
prot = GLONG();
chat("host=%I, port=%ld: ", cmd->host, cmd->port);
chat("getport: %d, %d, %d...", prog, vers, prot);
for(mp=map; mp->prog>0; mp++)
if(prog == mp->prog && vers == mp->vers &&
prot == mp->protocol)
break;
chat("%d\n", mp->port);
PLONG(mp->port);
return dataptr - (uchar *)reply->results;
}
static int
pmapdump(int n, Rpccall *cmd, Rpccall *reply)
{
uchar *dataptr = reply->results;
Portmap *mp;
if(n != 0)
return garbage(reply, "bad count");
USED(cmd);
for(mp=map; mp->prog>0; mp++){
PLONG(1);
PLONG(mp->prog);
PLONG(mp->vers);
PLONG(mp->protocol);
PLONG(mp->port);
}
PLONG(0);
return dataptr - (uchar *)reply->results;
}
static int
pmapcallit(int n, Rpccall *cmd, Rpccall *reply)
{
int prog, vers, proc;
uchar *argptr = cmd->args;
uchar *dataptr = reply->results;
Portmap *mp;
if(n < 12)
return garbage(reply, "bad count");
prog = GLONG();
vers = GLONG();
proc = GLONG();
chat("host=%I, port=%ld: ", cmd->host, cmd->port);
chat("callit: %d, %d, %d...", prog, vers, proc);
for(mp=map; mp->prog>0; mp++)
if(prog == mp->prog && vers == mp->vers &&
proc == 0)
break;
if(mp->port == 0){
chat("ignored\n");
return -1;
}
chat("%d\n", mp->port);
PLONG(mp->port);
PLONG(0);
return dataptr - (uchar *)reply->results;
}
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