void
svc_getreq_common (const int fd)
{
enum xprt_stat stat;
struct rpc_msg msg;
register SVCXPRT *xprt;
char cred_area[2 * MAX_AUTH_BYTES + RQCRED_SIZE];
msg.rm_call.cb_cred.oa_base = cred_area;
msg.rm_call.cb_verf.oa_base = &(cred_area[MAX_AUTH_BYTES]);
xprt = xports[fd];
/* Do we control fd? */
if (xprt == NULL)
return;
/* now receive msgs from xprtprt (support batch calls) */
do
{
if (SVC_RECV (xprt, &msg))
{
/* now find the exported program and call it */
struct svc_callout *s;
struct svc_req r;
enum auth_stat why;
rpcvers_t low_vers;
rpcvers_t high_vers;
int prog_found;
r.rq_clntcred = &(cred_area[2 * MAX_AUTH_BYTES]);
r.rq_xprt = xprt;
r.rq_prog = msg.rm_call.cb_prog;
r.rq_vers = msg.rm_call.cb_vers;
r.rq_proc = msg.rm_call.cb_proc;
r.rq_cred = msg.rm_call.cb_cred;
/* first authenticate the message */
/* Check for null flavor and bypass these calls if possible */
if (msg.rm_call.cb_cred.oa_flavor == AUTH_NULL)
{
r.rq_xprt->xp_verf.oa_flavor = _null_auth.oa_flavor;
r.rq_xprt->xp_verf.oa_length = 0;
}
else if ((why = _authenticate (&r, &msg)) != AUTH_OK)
{
svcerr_auth (xprt, why);
goto call_done;
}
/* now match message with a registered service */
prog_found = FALSE;
low_vers = 0 - 1;
high_vers = 0;
for (s = svc_head; s != NULL_SVC; s = s->sc_next)
{
if (s->sc_prog == r.rq_prog)
{
if (s->sc_vers == r.rq_vers)
{
(*s->sc_dispatch) (&r, xprt);
goto call_done;
}
/* found correct version */
prog_found = TRUE;
if (s->sc_vers < low_vers)
low_vers = s->sc_vers;
if (s->sc_vers > high_vers)
high_vers = s->sc_vers;
}
/* found correct program */
}
/* if we got here, the program or version
is not served ... */
if (prog_found)
svcerr_progvers (xprt, low_vers, high_vers);
else
svcerr_noprog (xprt);
/* Fall through to ... */
}
call_done:
if ((stat = SVC_STAT (xprt)) == XPRT_DIED)
{
SVC_DESTROY (xprt);
break;
}
}
while (stat == XPRT_MOREREQS);
}
void
svc_getreq_common(int fd)
{
enum xprt_stat stat;
struct rpc_msg msg;
int prog_found;
u_long low_vers;
u_long high_vers;
struct svc_req r;
SVCXPRT *xprt;
char cred_area[2*MAX_AUTH_BYTES + RQCRED_SIZE];
msg.rm_call.cb_cred.oa_base = cred_area;
msg.rm_call.cb_verf.oa_base = &(cred_area[MAX_AUTH_BYTES]);
r.rq_clntcred = &(cred_area[2*MAX_AUTH_BYTES]);
/* sock has input waiting */
xprt = xports[fd];
if (xprt == NULL)
/* But do we control the fd? */
return;
/* now receive msgs from xprtprt (support batch calls) */
do {
if (SVC_RECV(xprt, &msg)) {
/* find the exported program and call it */
struct svc_callout *s;
enum auth_stat why;
r.rq_xprt = xprt;
r.rq_prog = msg.rm_call.cb_prog;
r.rq_vers = msg.rm_call.cb_vers;
r.rq_proc = msg.rm_call.cb_proc;
r.rq_cred = msg.rm_call.cb_cred;
/* first authenticate the message */
if ((why= _authenticate(&r, &msg)) != AUTH_OK) {
svcerr_auth(xprt, why);
goto call_done;
}
/* now match message with a registered service*/
prog_found = FALSE;
low_vers = (u_long) -1;
high_vers = 0;
for (s = svc_head; s != NULL; s = s->sc_next) {
if (s->sc_prog == r.rq_prog) {
if (s->sc_vers == r.rq_vers) {
(*s->sc_dispatch)(&r, xprt);
goto call_done;
} /* found correct version */
prog_found = TRUE;
if (s->sc_vers < low_vers)
low_vers = s->sc_vers;
if (s->sc_vers > high_vers)
high_vers = s->sc_vers;
} /* found correct program */
}
/*
* if we got here, the program or version
* is not served ...
*/
if (prog_found)
svcerr_progvers(xprt, low_vers, high_vers);
else
svcerr_noprog(xprt);
/* Fall through to ... */
}
call_done:
if ((stat = SVC_STAT(xprt)) == XPRT_DIED){
SVC_DESTROY(xprt);
break;
}
} while (stat == XPRT_MOREREQS);
}
