/*
|
/*
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
* unrestricted use provided that this legend is included on all tape
|
* unrestricted use provided that this legend is included on all tape
|
* media and as a part of the software program in whole or part. Users
|
* media and as a part of the software program in whole or part. Users
|
* may copy or modify Sun RPC without charge, but are not authorized
|
* may copy or modify Sun RPC without charge, but are not authorized
|
* to license or distribute it to anyone else except as part of a product or
|
* to license or distribute it to anyone else except as part of a product or
|
* program developed by the user.
|
* program developed by the user.
|
*
|
*
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
*
|
*
|
* Sun RPC is provided with no support and without any obligation on the
|
* Sun RPC is provided with no support and without any obligation on the
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
* modification or enhancement.
|
* modification or enhancement.
|
*
|
*
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
* OR ANY PART THEREOF.
|
* OR ANY PART THEREOF.
|
*
|
*
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
* or profits or other special, indirect and consequential damages, even if
|
* or profits or other special, indirect and consequential damages, even if
|
* Sun has been advised of the possibility of such damages.
|
* Sun has been advised of the possibility of such damages.
|
*
|
*
|
* Sun Microsystems, Inc.
|
* Sun Microsystems, Inc.
|
* 2550 Garcia Avenue
|
* 2550 Garcia Avenue
|
* Mountain View, California 94043
|
* Mountain View, California 94043
|
*/
|
*/
|
/*
|
/*
|
* svc.c, Server-side remote procedure call interface.
|
* svc.c, Server-side remote procedure call interface.
|
*
|
*
|
* There are two sets of procedures here. The xprt routines are
|
* There are two sets of procedures here. The xprt routines are
|
* for handling transport handles. The svc routines handle the
|
* for handling transport handles. The svc routines handle the
|
* list of service routines.
|
* list of service routines.
|
*
|
*
|
* Copyright (C) 1984, Sun Microsystems, Inc.
|
* Copyright (C) 1984, Sun Microsystems, Inc.
|
*/
|
*/
|
|
|
#define __FORCE_GLIBC
|
#define __FORCE_GLIBC
|
#define _GNU_SOURCE
|
#define _GNU_SOURCE
|
#include <features.h>
|
#include <features.h>
|
|
|
#include <errno.h>
|
#include <errno.h>
|
#include <unistd.h>
|
#include <unistd.h>
|
#include "rpc_private.h"
|
#include "rpc_private.h"
|
#include <rpc/svc.h>
|
#include <rpc/svc.h>
|
#include <rpc/pmap_clnt.h>
|
#include <rpc/pmap_clnt.h>
|
#include <sys/poll.h>
|
#include <sys/poll.h>
|
|
|
#ifdef __UCLIBC_HAS_THREADS__
|
#ifdef __UCLIBC_HAS_THREADS__
|
#define xports ((SVCXPRT **)RPC_THREAD_VARIABLE(svc_xports_s))
|
#define xports ((SVCXPRT **)RPC_THREAD_VARIABLE(svc_xports_s))
|
#else
|
#else
|
static SVCXPRT **xports;
|
static SVCXPRT **xports;
|
#endif
|
#endif
|
|
|
#define NULL_SVC ((struct svc_callout *)0)
|
#define NULL_SVC ((struct svc_callout *)0)
|
#define RQCRED_SIZE 400 /* this size is excessive */
|
#define RQCRED_SIZE 400 /* this size is excessive */
|
|
|
/* The services list
|
/* The services list
|
Each entry represents a set of procedures (an rpc program).
|
Each entry represents a set of procedures (an rpc program).
|
The dispatch routine takes request structs and runs the
|
The dispatch routine takes request structs and runs the
|
appropriate procedure. */
|
appropriate procedure. */
|
struct svc_callout {
|
struct svc_callout {
|
struct svc_callout *sc_next;
|
struct svc_callout *sc_next;
|
rpcprog_t sc_prog;
|
rpcprog_t sc_prog;
|
rpcvers_t sc_vers;
|
rpcvers_t sc_vers;
|
void (*sc_dispatch) (struct svc_req *, SVCXPRT *);
|
void (*sc_dispatch) (struct svc_req *, SVCXPRT *);
|
};
|
};
|
#ifdef __UCLIBC_HAS_THREADS__
|
#ifdef __UCLIBC_HAS_THREADS__
|
#define svc_head ((struct svc_callout *)RPC_THREAD_VARIABLE(svc_head_s))
|
#define svc_head ((struct svc_callout *)RPC_THREAD_VARIABLE(svc_head_s))
|
#else
|
#else
|
static struct svc_callout *svc_head;
|
static struct svc_callout *svc_head;
|
#endif
|
#endif
|
|
|
/* *************** SVCXPRT related stuff **************** */
|
/* *************** SVCXPRT related stuff **************** */
|
|
|
/* Activate a transport handle. */
|
/* Activate a transport handle. */
|
void
|
void
|
xprt_register (SVCXPRT *xprt)
|
xprt_register (SVCXPRT *xprt)
|
{
|
{
|
register int sock = xprt->xp_sock;
|
register int sock = xprt->xp_sock;
|
register int i;
|
register int i;
|
|
|
if (xports == NULL)
|
if (xports == NULL)
|
{
|
{
|
xports = (SVCXPRT **) malloc (_rpc_dtablesize () * sizeof (SVCXPRT *));
|
xports = (SVCXPRT **) malloc (_rpc_dtablesize () * sizeof (SVCXPRT *));
|
if (xports == NULL) /* Don´t add handle */
|
if (xports == NULL) /* Don´t add handle */
|
return;
|
return;
|
}
|
}
|
|
|
if (sock < _rpc_dtablesize ())
|
if (sock < _rpc_dtablesize ())
|
{
|
{
|
xports[sock] = xprt;
|
xports[sock] = xprt;
|
if (sock < FD_SETSIZE)
|
if (sock < FD_SETSIZE)
|
FD_SET (sock, &svc_fdset);
|
FD_SET (sock, &svc_fdset);
|
|
|
/* Check if we have an empty slot */
|
/* Check if we have an empty slot */
|
for (i = 0; i < svc_max_pollfd; ++i)
|
for (i = 0; i < svc_max_pollfd; ++i)
|
if (svc_pollfd[i].fd == -1)
|
if (svc_pollfd[i].fd == -1)
|
{
|
{
|
svc_pollfd[i].fd = sock;
|
svc_pollfd[i].fd = sock;
|
svc_pollfd[i].events = (POLLIN | POLLPRI |
|
svc_pollfd[i].events = (POLLIN | POLLPRI |
|
POLLRDNORM | POLLRDBAND);
|
POLLRDNORM | POLLRDBAND);
|
return;
|
return;
|
}
|
}
|
|
|
++svc_max_pollfd;
|
++svc_max_pollfd;
|
svc_pollfd = realloc (svc_pollfd,
|
svc_pollfd = realloc (svc_pollfd,
|
sizeof (struct pollfd) * svc_max_pollfd);
|
sizeof (struct pollfd) * svc_max_pollfd);
|
if (svc_pollfd == NULL) /* Out of memory */
|
if (svc_pollfd == NULL) /* Out of memory */
|
return;
|
return;
|
|
|
svc_pollfd[svc_max_pollfd - 1].fd = sock;
|
svc_pollfd[svc_max_pollfd - 1].fd = sock;
|
svc_pollfd[svc_max_pollfd - 1].events = (POLLIN | POLLPRI |
|
svc_pollfd[svc_max_pollfd - 1].events = (POLLIN | POLLPRI |
|
POLLRDNORM | POLLRDBAND);
|
POLLRDNORM | POLLRDBAND);
|
}
|
}
|
}
|
}
|
|
|
/* De-activate a transport handle. */
|
/* De-activate a transport handle. */
|
void
|
void
|
xprt_unregister (SVCXPRT *xprt)
|
xprt_unregister (SVCXPRT *xprt)
|
{
|
{
|
register int sock = xprt->xp_sock;
|
register int sock = xprt->xp_sock;
|
register int i;
|
register int i;
|
|
|
if ((sock < _rpc_dtablesize ()) && (xports[sock] == xprt))
|
if ((sock < _rpc_dtablesize ()) && (xports[sock] == xprt))
|
{
|
{
|
xports[sock] = (SVCXPRT *) 0;
|
xports[sock] = (SVCXPRT *) 0;
|
|
|
if (sock < FD_SETSIZE)
|
if (sock < FD_SETSIZE)
|
FD_CLR (sock, &svc_fdset);
|
FD_CLR (sock, &svc_fdset);
|
|
|
for (i = 0; i < svc_max_pollfd; ++i)
|
for (i = 0; i < svc_max_pollfd; ++i)
|
if (svc_pollfd[i].fd == sock)
|
if (svc_pollfd[i].fd == sock)
|
svc_pollfd[i].fd = -1;
|
svc_pollfd[i].fd = -1;
|
}
|
}
|
}
|
}
|
|
|
|
|
/* ********************** CALLOUT list related stuff ************* */
|
/* ********************** CALLOUT list related stuff ************* */
|
|
|
/* Search the callout list for a program number, return the callout
|
/* Search the callout list for a program number, return the callout
|
struct. */
|
struct. */
|
static struct svc_callout *
|
static struct svc_callout *
|
svc_find (rpcprog_t prog, rpcvers_t vers, struct svc_callout **prev)
|
svc_find (rpcprog_t prog, rpcvers_t vers, struct svc_callout **prev)
|
{
|
{
|
register struct svc_callout *s, *p;
|
register struct svc_callout *s, *p;
|
|
|
p = NULL_SVC;
|
p = NULL_SVC;
|
for (s = svc_head; s != NULL_SVC; s = s->sc_next)
|
for (s = svc_head; s != NULL_SVC; s = s->sc_next)
|
{
|
{
|
if ((s->sc_prog == prog) && (s->sc_vers == vers))
|
if ((s->sc_prog == prog) && (s->sc_vers == vers))
|
goto done;
|
goto done;
|
p = s;
|
p = s;
|
}
|
}
|
done:
|
done:
|
*prev = p;
|
*prev = p;
|
return s;
|
return s;
|
}
|
}
|
|
|
/* Add a service program to the callout list.
|
/* Add a service program to the callout list.
|
The dispatch routine will be called when a rpc request for this
|
The dispatch routine will be called when a rpc request for this
|
program number comes in. */
|
program number comes in. */
|
bool_t
|
bool_t
|
svc_register (SVCXPRT * xprt, rpcprog_t prog, rpcvers_t vers,
|
svc_register (SVCXPRT * xprt, rpcprog_t prog, rpcvers_t vers,
|
void (*dispatch) (struct svc_req *, SVCXPRT *),
|
void (*dispatch) (struct svc_req *, SVCXPRT *),
|
rpcproc_t protocol)
|
rpcproc_t protocol)
|
{
|
{
|
struct svc_callout *prev;
|
struct svc_callout *prev;
|
register struct svc_callout *s;
|
register struct svc_callout *s;
|
|
|
if ((s = svc_find (prog, vers, &prev)) != NULL_SVC)
|
if ((s = svc_find (prog, vers, &prev)) != NULL_SVC)
|
{
|
{
|
if (s->sc_dispatch == dispatch)
|
if (s->sc_dispatch == dispatch)
|
goto pmap_it; /* he is registering another xptr */
|
goto pmap_it; /* he is registering another xptr */
|
return FALSE;
|
return FALSE;
|
}
|
}
|
s = (struct svc_callout *) mem_alloc (sizeof (struct svc_callout));
|
s = (struct svc_callout *) mem_alloc (sizeof (struct svc_callout));
|
if (s == (struct svc_callout *) 0)
|
if (s == (struct svc_callout *) 0)
|
return FALSE;
|
return FALSE;
|
|
|
s->sc_prog = prog;
|
s->sc_prog = prog;
|
s->sc_vers = vers;
|
s->sc_vers = vers;
|
s->sc_dispatch = dispatch;
|
s->sc_dispatch = dispatch;
|
s->sc_next = svc_head;
|
s->sc_next = svc_head;
|
svc_head = s;
|
svc_head = s;
|
|
|
pmap_it:
|
pmap_it:
|
/* now register the information with the local binder service */
|
/* now register the information with the local binder service */
|
if (protocol)
|
if (protocol)
|
return pmap_set (prog, vers, protocol, xprt->xp_port);
|
return pmap_set (prog, vers, protocol, xprt->xp_port);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Remove a service program from the callout list. */
|
/* Remove a service program from the callout list. */
|
void
|
void
|
svc_unregister (rpcprog_t prog, rpcvers_t vers)
|
svc_unregister (rpcprog_t prog, rpcvers_t vers)
|
{
|
{
|
struct svc_callout *prev;
|
struct svc_callout *prev;
|
register struct svc_callout *s;
|
register struct svc_callout *s;
|
|
|
if ((s = svc_find (prog, vers, &prev)) == NULL_SVC)
|
if ((s = svc_find (prog, vers, &prev)) == NULL_SVC)
|
return;
|
return;
|
|
|
if (prev == NULL_SVC)
|
if (prev == NULL_SVC)
|
svc_head = s->sc_next;
|
svc_head = s->sc_next;
|
else
|
else
|
prev->sc_next = s->sc_next;
|
prev->sc_next = s->sc_next;
|
|
|
s->sc_next = NULL_SVC;
|
s->sc_next = NULL_SVC;
|
mem_free ((char *) s, (u_int) sizeof (struct svc_callout));
|
mem_free ((char *) s, (u_int) sizeof (struct svc_callout));
|
/* now unregister the information with the local binder service */
|
/* now unregister the information with the local binder service */
|
pmap_unset (prog, vers);
|
pmap_unset (prog, vers);
|
}
|
}
|
|
|
/* ******************* REPLY GENERATION ROUTINES ************ */
|
/* ******************* REPLY GENERATION ROUTINES ************ */
|
|
|
/* Send a reply to an rpc request */
|
/* Send a reply to an rpc request */
|
bool_t
|
bool_t
|
svc_sendreply (register SVCXPRT *xprt, xdrproc_t xdr_results,
|
svc_sendreply (register SVCXPRT *xprt, xdrproc_t xdr_results,
|
caddr_t xdr_location)
|
caddr_t xdr_location)
|
{
|
{
|
struct rpc_msg rply;
|
struct rpc_msg rply;
|
|
|
rply.rm_direction = REPLY;
|
rply.rm_direction = REPLY;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_stat = SUCCESS;
|
rply.acpted_rply.ar_stat = SUCCESS;
|
rply.acpted_rply.ar_results.where = xdr_location;
|
rply.acpted_rply.ar_results.where = xdr_location;
|
rply.acpted_rply.ar_results.proc = xdr_results;
|
rply.acpted_rply.ar_results.proc = xdr_results;
|
return SVC_REPLY (xprt, &rply);
|
return SVC_REPLY (xprt, &rply);
|
}
|
}
|
|
|
/* No procedure error reply */
|
/* No procedure error reply */
|
void
|
void
|
svcerr_noproc (register SVCXPRT *xprt)
|
svcerr_noproc (register SVCXPRT *xprt)
|
{
|
{
|
struct rpc_msg rply;
|
struct rpc_msg rply;
|
|
|
rply.rm_direction = REPLY;
|
rply.rm_direction = REPLY;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_stat = PROC_UNAVAIL;
|
rply.acpted_rply.ar_stat = PROC_UNAVAIL;
|
SVC_REPLY (xprt, &rply);
|
SVC_REPLY (xprt, &rply);
|
}
|
}
|
|
|
/* Can't decode args error reply */
|
/* Can't decode args error reply */
|
void
|
void
|
svcerr_decode (register SVCXPRT *xprt)
|
svcerr_decode (register SVCXPRT *xprt)
|
{
|
{
|
struct rpc_msg rply;
|
struct rpc_msg rply;
|
|
|
rply.rm_direction = REPLY;
|
rply.rm_direction = REPLY;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_stat = GARBAGE_ARGS;
|
rply.acpted_rply.ar_stat = GARBAGE_ARGS;
|
SVC_REPLY (xprt, &rply);
|
SVC_REPLY (xprt, &rply);
|
}
|
}
|
|
|
/* Some system error */
|
/* Some system error */
|
void
|
void
|
svcerr_systemerr (register SVCXPRT *xprt)
|
svcerr_systemerr (register SVCXPRT *xprt)
|
{
|
{
|
struct rpc_msg rply;
|
struct rpc_msg rply;
|
|
|
rply.rm_direction = REPLY;
|
rply.rm_direction = REPLY;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_stat = SYSTEM_ERR;
|
rply.acpted_rply.ar_stat = SYSTEM_ERR;
|
SVC_REPLY (xprt, &rply);
|
SVC_REPLY (xprt, &rply);
|
}
|
}
|
|
|
/* Authentication error reply */
|
/* Authentication error reply */
|
void
|
void
|
svcerr_auth (SVCXPRT *xprt, enum auth_stat why)
|
svcerr_auth (SVCXPRT *xprt, enum auth_stat why)
|
{
|
{
|
struct rpc_msg rply;
|
struct rpc_msg rply;
|
|
|
rply.rm_direction = REPLY;
|
rply.rm_direction = REPLY;
|
rply.rm_reply.rp_stat = MSG_DENIED;
|
rply.rm_reply.rp_stat = MSG_DENIED;
|
rply.rjcted_rply.rj_stat = AUTH_ERROR;
|
rply.rjcted_rply.rj_stat = AUTH_ERROR;
|
rply.rjcted_rply.rj_why = why;
|
rply.rjcted_rply.rj_why = why;
|
SVC_REPLY (xprt, &rply);
|
SVC_REPLY (xprt, &rply);
|
}
|
}
|
|
|
/* Auth too weak error reply */
|
/* Auth too weak error reply */
|
void
|
void
|
svcerr_weakauth (SVCXPRT *xprt)
|
svcerr_weakauth (SVCXPRT *xprt)
|
{
|
{
|
svcerr_auth (xprt, AUTH_TOOWEAK);
|
svcerr_auth (xprt, AUTH_TOOWEAK);
|
}
|
}
|
|
|
/* Program unavailable error reply */
|
/* Program unavailable error reply */
|
void
|
void
|
svcerr_noprog (register SVCXPRT *xprt)
|
svcerr_noprog (register SVCXPRT *xprt)
|
{
|
{
|
struct rpc_msg rply;
|
struct rpc_msg rply;
|
|
|
rply.rm_direction = REPLY;
|
rply.rm_direction = REPLY;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_stat = PROG_UNAVAIL;
|
rply.acpted_rply.ar_stat = PROG_UNAVAIL;
|
SVC_REPLY (xprt, &rply);
|
SVC_REPLY (xprt, &rply);
|
}
|
}
|
|
|
/* Program version mismatch error reply */
|
/* Program version mismatch error reply */
|
void
|
void
|
svcerr_progvers (register SVCXPRT *xprt, rpcvers_t low_vers,
|
svcerr_progvers (register SVCXPRT *xprt, rpcvers_t low_vers,
|
rpcvers_t high_vers)
|
rpcvers_t high_vers)
|
{
|
{
|
struct rpc_msg rply;
|
struct rpc_msg rply;
|
|
|
rply.rm_direction = REPLY;
|
rply.rm_direction = REPLY;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.rm_reply.rp_stat = MSG_ACCEPTED;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_verf = xprt->xp_verf;
|
rply.acpted_rply.ar_stat = PROG_MISMATCH;
|
rply.acpted_rply.ar_stat = PROG_MISMATCH;
|
rply.acpted_rply.ar_vers.low = low_vers;
|
rply.acpted_rply.ar_vers.low = low_vers;
|
rply.acpted_rply.ar_vers.high = high_vers;
|
rply.acpted_rply.ar_vers.high = high_vers;
|
SVC_REPLY (xprt, &rply);
|
SVC_REPLY (xprt, &rply);
|
}
|
}
|
|
|
/* ******************* SERVER INPUT STUFF ******************* */
|
/* ******************* SERVER INPUT STUFF ******************* */
|
|
|
/*
|
/*
|
* Get server side input from some transport.
|
* Get server side input from some transport.
|
*
|
*
|
* Statement of authentication parameters management:
|
* Statement of authentication parameters management:
|
* This function owns and manages all authentication parameters, specifically
|
* This function owns and manages all authentication parameters, specifically
|
* the "raw" parameters (msg.rm_call.cb_cred and msg.rm_call.cb_verf) and
|
* the "raw" parameters (msg.rm_call.cb_cred and msg.rm_call.cb_verf) and
|
* the "cooked" credentials (rqst->rq_clntcred).
|
* the "cooked" credentials (rqst->rq_clntcred).
|
* However, this function does not know the structure of the cooked
|
* However, this function does not know the structure of the cooked
|
* credentials, so it make the following assumptions:
|
* credentials, so it make the following assumptions:
|
* a) the structure is contiguous (no pointers), and
|
* a) the structure is contiguous (no pointers), and
|
* b) the cred structure size does not exceed RQCRED_SIZE bytes.
|
* b) the cred structure size does not exceed RQCRED_SIZE bytes.
|
* In all events, all three parameters are freed upon exit from this routine.
|
* In all events, all three parameters are freed upon exit from this routine.
|
* The storage is trivially management on the call stack in user land, but
|
* The storage is trivially management on the call stack in user land, but
|
* is mallocated in kernel land.
|
* is mallocated in kernel land.
|
*/
|
*/
|
|
|
void
|
void
|
svc_getreq (int rdfds)
|
svc_getreq (int rdfds)
|
{
|
{
|
fd_set readfds;
|
fd_set readfds;
|
|
|
FD_ZERO (&readfds);
|
FD_ZERO (&readfds);
|
readfds.fds_bits[0] = rdfds;
|
readfds.fds_bits[0] = rdfds;
|
svc_getreqset (&readfds);
|
svc_getreqset (&readfds);
|
}
|
}
|
|
|
void
|
void
|
svc_getreqset (fd_set *readfds)
|
svc_getreqset (fd_set *readfds)
|
{
|
{
|
register u_int32_t mask;
|
register u_int32_t mask;
|
register u_int32_t *maskp;
|
register u_int32_t *maskp;
|
register int setsize;
|
register int setsize;
|
register int sock;
|
register int sock;
|
register int bit;
|
register int bit;
|
|
|
setsize = _rpc_dtablesize ();
|
setsize = _rpc_dtablesize ();
|
maskp = (u_int32_t *) readfds->fds_bits;
|
maskp = (u_int32_t *) readfds->fds_bits;
|
for (sock = 0; sock < setsize; sock += 32)
|
for (sock = 0; sock < setsize; sock += 32)
|
for (mask = *maskp++; (bit = ffs (mask)); mask ^= (1 << (bit - 1)))
|
for (mask = *maskp++; (bit = ffs (mask)); mask ^= (1 << (bit - 1)))
|
svc_getreq_common (sock + bit - 1);
|
svc_getreq_common (sock + bit - 1);
|
}
|
}
|
|
|
void
|
void
|
svc_getreq_poll (struct pollfd *pfdp, int pollretval)
|
svc_getreq_poll (struct pollfd *pfdp, int pollretval)
|
{
|
{
|
register int i;
|
register int i;
|
register int fds_found;
|
register int fds_found;
|
|
|
for (i = fds_found = 0; i < svc_max_pollfd && fds_found < pollretval; ++i)
|
for (i = fds_found = 0; i < svc_max_pollfd && fds_found < pollretval; ++i)
|
{
|
{
|
register struct pollfd *p = &pfdp[i];
|
register struct pollfd *p = &pfdp[i];
|
|
|
if (p->fd != -1 && p->revents)
|
if (p->fd != -1 && p->revents)
|
{
|
{
|
/* fd has input waiting */
|
/* fd has input waiting */
|
++fds_found;
|
++fds_found;
|
|
|
if (p->revents & POLLNVAL)
|
if (p->revents & POLLNVAL)
|
xprt_unregister (xports[p->fd]);
|
xprt_unregister (xports[p->fd]);
|
else
|
else
|
svc_getreq_common (p->fd);
|
svc_getreq_common (p->fd);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
|
|
void
|
void
|
svc_getreq_common (const int fd)
|
svc_getreq_common (const int fd)
|
{
|
{
|
enum xprt_stat stat;
|
enum xprt_stat stat;
|
struct rpc_msg msg;
|
struct rpc_msg msg;
|
register SVCXPRT *xprt;
|
register SVCXPRT *xprt;
|
char cred_area[2 * MAX_AUTH_BYTES + RQCRED_SIZE];
|
char cred_area[2 * MAX_AUTH_BYTES + RQCRED_SIZE];
|
msg.rm_call.cb_cred.oa_base = cred_area;
|
msg.rm_call.cb_cred.oa_base = cred_area;
|
msg.rm_call.cb_verf.oa_base = &(cred_area[MAX_AUTH_BYTES]);
|
msg.rm_call.cb_verf.oa_base = &(cred_area[MAX_AUTH_BYTES]);
|
|
|
xprt = xports[fd];
|
xprt = xports[fd];
|
/* Do we control fd? */
|
/* Do we control fd? */
|
if (xprt == NULL)
|
if (xprt == NULL)
|
return;
|
return;
|
|
|
/* now receive msgs from xprtprt (support batch calls) */
|
/* now receive msgs from xprtprt (support batch calls) */
|
do
|
do
|
{
|
{
|
if (SVC_RECV (xprt, &msg))
|
if (SVC_RECV (xprt, &msg))
|
{
|
{
|
/* now find the exported program and call it */
|
/* now find the exported program and call it */
|
struct svc_callout *s;
|
struct svc_callout *s;
|
struct svc_req r;
|
struct svc_req r;
|
enum auth_stat why;
|
enum auth_stat why;
|
rpcvers_t low_vers;
|
rpcvers_t low_vers;
|
rpcvers_t high_vers;
|
rpcvers_t high_vers;
|
int prog_found;
|
int prog_found;
|
|
|
r.rq_clntcred = &(cred_area[2 * MAX_AUTH_BYTES]);
|
r.rq_clntcred = &(cred_area[2 * MAX_AUTH_BYTES]);
|
r.rq_xprt = xprt;
|
r.rq_xprt = xprt;
|
r.rq_prog = msg.rm_call.cb_prog;
|
r.rq_prog = msg.rm_call.cb_prog;
|
r.rq_vers = msg.rm_call.cb_vers;
|
r.rq_vers = msg.rm_call.cb_vers;
|
r.rq_proc = msg.rm_call.cb_proc;
|
r.rq_proc = msg.rm_call.cb_proc;
|
r.rq_cred = msg.rm_call.cb_cred;
|
r.rq_cred = msg.rm_call.cb_cred;
|
|
|
/* first authenticate the message */
|
/* first authenticate the message */
|
/* Check for null flavor and bypass these calls if possible */
|
/* Check for null flavor and bypass these calls if possible */
|
|
|
if (msg.rm_call.cb_cred.oa_flavor == AUTH_NULL)
|
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_flavor = _null_auth.oa_flavor;
|
r.rq_xprt->xp_verf.oa_length = 0;
|
r.rq_xprt->xp_verf.oa_length = 0;
|
}
|
}
|
else if ((why = _authenticate (&r, &msg)) != AUTH_OK)
|
else if ((why = _authenticate (&r, &msg)) != AUTH_OK)
|
{
|
{
|
svcerr_auth (xprt, why);
|
svcerr_auth (xprt, why);
|
goto call_done;
|
goto call_done;
|
}
|
}
|
|
|
/* now match message with a registered service */
|
/* now match message with a registered service */
|
prog_found = FALSE;
|
prog_found = FALSE;
|
low_vers = 0 - 1;
|
low_vers = 0 - 1;
|
high_vers = 0;
|
high_vers = 0;
|
|
|
for (s = svc_head; s != NULL_SVC; s = s->sc_next)
|
for (s = svc_head; s != NULL_SVC; s = s->sc_next)
|
{
|
{
|
if (s->sc_prog == r.rq_prog)
|
if (s->sc_prog == r.rq_prog)
|
{
|
{
|
if (s->sc_vers == r.rq_vers)
|
if (s->sc_vers == r.rq_vers)
|
{
|
{
|
(*s->sc_dispatch) (&r, xprt);
|
(*s->sc_dispatch) (&r, xprt);
|
goto call_done;
|
goto call_done;
|
}
|
}
|
/* found correct version */
|
/* found correct version */
|
prog_found = TRUE;
|
prog_found = TRUE;
|
if (s->sc_vers < low_vers)
|
if (s->sc_vers < low_vers)
|
low_vers = s->sc_vers;
|
low_vers = s->sc_vers;
|
if (s->sc_vers > high_vers)
|
if (s->sc_vers > high_vers)
|
high_vers = s->sc_vers;
|
high_vers = s->sc_vers;
|
}
|
}
|
/* found correct program */
|
/* found correct program */
|
}
|
}
|
/* if we got here, the program or version
|
/* if we got here, the program or version
|
is not served ... */
|
is not served ... */
|
if (prog_found)
|
if (prog_found)
|
svcerr_progvers (xprt, low_vers, high_vers);
|
svcerr_progvers (xprt, low_vers, high_vers);
|
else
|
else
|
svcerr_noprog (xprt);
|
svcerr_noprog (xprt);
|
/* Fall through to ... */
|
/* Fall through to ... */
|
}
|
}
|
call_done:
|
call_done:
|
if ((stat = SVC_STAT (xprt)) == XPRT_DIED)
|
if ((stat = SVC_STAT (xprt)) == XPRT_DIED)
|
{
|
{
|
SVC_DESTROY (xprt);
|
SVC_DESTROY (xprt);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
while (stat == XPRT_MOREREQS);
|
while (stat == XPRT_MOREREQS);
|
}
|
}
|
|
|
#ifdef __UCLIBC_HAS_THREADS__
|
#ifdef __UCLIBC_HAS_THREADS__
|
|
|
void
|
void
|
__rpc_thread_svc_cleanup (void)
|
__rpc_thread_svc_cleanup (void)
|
{
|
{
|
struct svc_callout *svcp;
|
struct svc_callout *svcp;
|
|
|
while ((svcp = svc_head) != NULL)
|
while ((svcp = svc_head) != NULL)
|
svc_unregister (svcp->sc_prog, svcp->sc_vers);
|
svc_unregister (svcp->sc_prog, svcp->sc_vers);
|
}
|
}
|
|
|
#endif /* __UCLIBC_HAS_THREADS__ */
|
#endif /* __UCLIBC_HAS_THREADS__ */
|
|
|
