-/* @(#)svc.c 2.4 88/08/11 4.0 RPCSRC; from 1.44 88/02/08 SMI */
-/*
- * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
- * 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
- * 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
- * program developed by the user.
- *
- * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
- * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
- * 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
- * part of Sun Microsystems, Inc. to assist in its use, correction,
- * modification or enhancement.
- *
- * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
- * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
- * OR ANY PART THEREOF.
- *
- * In no event will Sun Microsystems, Inc. be liable for any lost revenue
- * or profits or other special, indirect and consequential damages, even if
- * Sun has been advised of the possibility of such damages.
- *
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California 94043
- */
-#if !defined(lint) && defined(SCCSIDS)
-static char sccsid[] = "@(#)svc.c 1.41 87/10/13 Copyr 1984 Sun Micro";
-#endif
-
/*
* svc.c, Server-side remote procedure call interface.
*
* for handling transport handles. The svc routines handle the
* list of service routines.
*
- * Copyright (C) 1984, Sun Microsystems, Inc.
+ * Copyright (c) 2010, Oracle America, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ * * Neither the name of the "Oracle America, Inc." nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#include <sys/errno.h>
+#include <errno.h>
+#include <unistd.h>
#include <rpc/rpc.h>
+#include <rpc/svc.h>
#include <rpc/pmap_clnt.h>
+#include <sys/poll.h>
-extern int errno;
-
-#ifdef FD_SETSIZE
-static SVCXPRT **xports;
+#ifdef _RPC_THREAD_SAFE_
+#define xports RPC_THREAD_VARIABLE(svc_xports_s)
#else
-#define NOFILE 32
-
-static SVCXPRT *xports[NOFILE];
-#endif /* def FD_SETSIZE */
+static SVCXPRT **xports;
+#endif
#define NULL_SVC ((struct svc_callout *)0)
-#define RQCRED_SIZE 400 /* this size is excessive */
-
-/*
- * The services list
- * Each entry represents a set of procedures (an rpc program).
- * The dispatch routine takes request structs and runs the
- * apropriate procedure.
- */
-static struct svc_callout {
- struct svc_callout *sc_next;
- u_long sc_prog;
- u_long sc_vers;
- void (*sc_dispatch)();
-} *svc_head;
-
-static struct svc_callout *svc_find();
+#define RQCRED_SIZE 400 /* this size is excessive */
+
+/* The services list
+ Each entry represents a set of procedures (an rpc program).
+ The dispatch routine takes request structs and runs the
+ appropriate procedure. */
+struct svc_callout {
+ struct svc_callout *sc_next;
+ rpcprog_t sc_prog;
+ rpcvers_t sc_vers;
+ void (*sc_dispatch) (struct svc_req *, SVCXPRT *);
+ bool_t sc_mapped;
+};
+#ifdef _RPC_THREAD_SAFE_
+#define svc_head RPC_THREAD_VARIABLE(svc_head_s)
+#else
+static struct svc_callout *svc_head;
+#endif
/* *************** SVCXPRT related stuff **************** */
-/*
- * Activate a transport handle.
- */
+/* Activate a transport handle. */
void
-xprt_register(xprt)
- SVCXPRT *xprt;
+xprt_register (SVCXPRT *xprt)
{
- register int sock = xprt->xp_sock;
-
-#ifdef FD_SETSIZE
- if (xports == NULL) {
- xports = (SVCXPRT **)
- mem_alloc(FD_SETSIZE * sizeof(SVCXPRT *));
- }
- if (sock < _rpc_dtablesize()) {
- xports[sock] = xprt;
- FD_SET(sock, &svc_fdset);
- }
-#else
- if (sock < NOFILE) {
- xports[sock] = xprt;
- svc_fds |= (1 << sock);
- }
-#endif /* def FD_SETSIZE */
-
+ register int sock = xprt->xp_sock;
+ register int i;
+
+ if (xports == NULL)
+ {
+ xports = (SVCXPRT **) malloc (_rpc_dtablesize () * sizeof (SVCXPRT *));
+ if (xports == NULL) /* Don´t add handle */
+ return;
+ }
+
+ if (sock < _rpc_dtablesize ())
+ {
+ struct pollfd *new_svc_pollfd;
+
+ xports[sock] = xprt;
+ if (sock < FD_SETSIZE)
+ FD_SET (sock, &svc_fdset);
+
+ /* Check if we have an empty slot */
+ for (i = 0; i < svc_max_pollfd; ++i)
+ if (svc_pollfd[i].fd == -1)
+ {
+ svc_pollfd[i].fd = sock;
+ svc_pollfd[i].events = (POLLIN | POLLPRI |
+ POLLRDNORM | POLLRDBAND);
+ return;
+ }
+
+ new_svc_pollfd = (struct pollfd *) realloc (svc_pollfd,
+ sizeof (struct pollfd)
+ * (svc_max_pollfd + 1));
+ if (new_svc_pollfd == NULL) /* Out of memory */
+ return;
+ svc_pollfd = new_svc_pollfd;
+ ++svc_max_pollfd;
+
+ svc_pollfd[svc_max_pollfd - 1].fd = sock;
+ svc_pollfd[svc_max_pollfd - 1].events = (POLLIN | POLLPRI |
+ POLLRDNORM | POLLRDBAND);
+ }
}
+libc_hidden_nolink (xprt_register, GLIBC_2_0)
-/*
- * De-activate a transport handle.
- */
+/* De-activate a transport handle. */
void
-xprt_unregister(xprt)
- SVCXPRT *xprt;
-{
- register int sock = xprt->xp_sock;
-
-#ifdef FD_SETSIZE
- if ((sock < _rpc_dtablesize()) && (xports[sock] == xprt)) {
- xports[sock] = (SVCXPRT *)0;
- FD_CLR(sock, &svc_fdset);
- }
-#else
- if ((sock < NOFILE) && (xports[sock] == xprt)) {
- xports[sock] = (SVCXPRT *)0;
- svc_fds &= ~(1 << sock);
- }
-#endif /* def FD_SETSIZE */
+xprt_unregister (SVCXPRT *xprt)
+{
+ register int sock = xprt->xp_sock;
+ register int i;
+
+ if ((sock < _rpc_dtablesize ()) && (xports[sock] == xprt))
+ {
+ xports[sock] = (SVCXPRT *) 0;
+
+ if (sock < FD_SETSIZE)
+ FD_CLR (sock, &svc_fdset);
+
+ for (i = 0; i < svc_max_pollfd; ++i)
+ if (svc_pollfd[i].fd == sock)
+ svc_pollfd[i].fd = -1;
+ }
}
+#ifdef EXPORT_RPC_SYMBOLS
+libc_hidden_def (xprt_unregister)
+#else
+libc_hidden_nolink (xprt_unregister, GLIBC_2_0)
+#endif
/* ********************** CALLOUT list related stuff ************* */
-/*
- * Add a service program to the callout list.
- * The dispatch routine will be called when a rpc request for this
- * program number comes in.
- */
-bool_t
-svc_register(xprt, prog, vers, dispatch, protocol)
- SVCXPRT *xprt;
- u_long prog;
- u_long vers;
- void (*dispatch)();
- int protocol;
+/* Search the callout list for a program number, return the callout
+ struct. */
+static struct svc_callout *
+svc_find (rpcprog_t prog, rpcvers_t vers, struct svc_callout **prev)
{
- struct svc_callout *prev;
- register struct svc_callout *s;
-
- if ((s = svc_find(prog, vers, &prev)) != NULL_SVC) {
- if (s->sc_dispatch == dispatch)
- goto pmap_it; /* he is registering another xptr */
- return (FALSE);
- }
- s = (struct svc_callout *)mem_alloc(sizeof(struct svc_callout));
- if (s == (struct svc_callout *)0) {
- return (FALSE);
- }
- s->sc_prog = prog;
- s->sc_vers = vers;
- s->sc_dispatch = dispatch;
- s->sc_next = svc_head;
- svc_head = s;
-pmap_it:
- /* now register the information with the local binder service */
- if (protocol) {
- return (pmap_set(prog, vers, protocol, xprt->xp_port));
- }
- return (TRUE);
+ register struct svc_callout *s, *p;
+
+ p = NULL_SVC;
+ for (s = svc_head; s != NULL_SVC; s = s->sc_next)
+ {
+ if ((s->sc_prog == prog) && (s->sc_vers == vers))
+ goto done;
+ p = s;
+ }
+done:
+ *prev = p;
+ return s;
}
-/*
- * Remove a service program from the callout list.
- */
-void
-svc_unregister(prog, vers)
- u_long prog;
- u_long vers;
+
+static bool_t
+svc_is_mapped (rpcprog_t prog, rpcvers_t vers)
{
- struct svc_callout *prev;
- register struct svc_callout *s;
-
- if ((s = svc_find(prog, vers, &prev)) == NULL_SVC)
- return;
- if (prev == NULL_SVC) {
- svc_head = s->sc_next;
- } else {
- prev->sc_next = s->sc_next;
- }
- s->sc_next = NULL_SVC;
- mem_free((char *) s, (u_int) sizeof(struct svc_callout));
- /* now unregister the information with the local binder service */
- (void)pmap_unset(prog, vers);
+ struct svc_callout *prev;
+ register struct svc_callout *s;
+ s = svc_find (prog, vers, &prev);
+ return s!= NULL_SVC && s->sc_mapped;
}
-/*
- * Search the callout list for a program number, return the callout
- * struct.
- */
-static struct svc_callout *
-svc_find(prog, vers, prev)
- u_long prog;
- u_long vers;
- struct svc_callout **prev;
+
+/* Add a service program to the callout list.
+ The dispatch routine will be called when a rpc request for this
+ program number comes in. */
+bool_t
+svc_register (SVCXPRT * xprt, rpcprog_t prog, rpcvers_t vers,
+ void (*dispatch) (struct svc_req *, SVCXPRT *),
+ rpcproc_t protocol)
{
- register struct svc_callout *s, *p;
+ struct svc_callout *prev;
+ register struct svc_callout *s;
+
+ if ((s = svc_find (prog, vers, &prev)) != NULL_SVC)
+ {
+ if (s->sc_dispatch == dispatch)
+ goto pmap_it; /* he is registering another xptr */
+ return FALSE;
+ }
+ s = (struct svc_callout *) mem_alloc (sizeof (struct svc_callout));
+ if (s == (struct svc_callout *) 0)
+ return FALSE;
+
+ s->sc_prog = prog;
+ s->sc_vers = vers;
+ s->sc_dispatch = dispatch;
+ s->sc_next = svc_head;
+ s->sc_mapped = FALSE;
+ svc_head = s;
- p = NULL_SVC;
- for (s = svc_head; s != NULL_SVC; s = s->sc_next) {
- if ((s->sc_prog == prog) && (s->sc_vers == vers))
- goto done;
- p = s;
- }
-done:
- *prev = p;
- return (s);
+pmap_it:
+ /* now register the information with the local binder service */
+ if (protocol)
+ {
+ if (! pmap_set (prog, vers, protocol, xprt->xp_port))
+ return FALSE;
+
+ s->sc_mapped = TRUE;
+ }
+
+ return TRUE;
}
+#ifdef EXPORT_RPC_SYMBOLS
+libc_hidden_def (svc_register)
+#else
+libc_hidden_nolink (svc_register, GLIBC_2_0)
+#endif
+
+/* Remove a service program from the callout list. */
+void
+svc_unregister (rpcprog_t prog, rpcvers_t vers)
+{
+ struct svc_callout *prev;
+ register struct svc_callout *s;
+
+ if ((s = svc_find (prog, vers, &prev)) == NULL_SVC)
+ return;
+
+ if (prev == NULL_SVC)
+ svc_head = s->sc_next;
+ else
+ prev->sc_next = s->sc_next;
+
+ s->sc_next = NULL_SVC;
+ mem_free ((char *) s, (u_int) sizeof (struct svc_callout));
+ /* now unregister the information with the local binder service */
+ if (! svc_is_mapped (prog, vers))
+ pmap_unset (prog, vers);
+}
+libc_hidden_nolink (svc_unregister, GLIBC_2_0)
/* ******************* REPLY GENERATION ROUTINES ************ */
-/*
- * Send a reply to an rpc request
- */
+/* Send a reply to an rpc request */
bool_t
-svc_sendreply(xprt, xdr_results, xdr_location)
- register SVCXPRT *xprt;
- xdrproc_t xdr_results;
- caddr_t xdr_location;
+svc_sendreply (register SVCXPRT *xprt, xdrproc_t xdr_results,
+ caddr_t xdr_location)
{
- struct rpc_msg rply;
-
- rply.rm_direction = REPLY;
- rply.rm_reply.rp_stat = MSG_ACCEPTED;
- rply.acpted_rply.ar_verf = xprt->xp_verf;
- rply.acpted_rply.ar_stat = SUCCESS;
- rply.acpted_rply.ar_results.where = xdr_location;
- rply.acpted_rply.ar_results.proc = xdr_results;
- return (SVC_REPLY(xprt, &rply));
+ struct rpc_msg rply;
+
+ rply.rm_direction = REPLY;
+ rply.rm_reply.rp_stat = MSG_ACCEPTED;
+ rply.acpted_rply.ar_verf = xprt->xp_verf;
+ rply.acpted_rply.ar_stat = SUCCESS;
+ rply.acpted_rply.ar_results.where = xdr_location;
+ rply.acpted_rply.ar_results.proc = xdr_results;
+ return SVC_REPLY (xprt, &rply);
}
+#ifdef EXPORT_RPC_SYMBOLS
+libc_hidden_def (svc_sendreply)
+#else
+libc_hidden_nolink (svc_sendreply, GLIBC_2_0)
+#endif
-/*
- * No procedure error reply
- */
+/* No procedure error reply */
void
-svcerr_noproc(xprt)
- register SVCXPRT *xprt;
+svcerr_noproc (register SVCXPRT *xprt)
{
- struct rpc_msg rply;
+ struct rpc_msg rply;
- rply.rm_direction = REPLY;
- rply.rm_reply.rp_stat = MSG_ACCEPTED;
- rply.acpted_rply.ar_verf = xprt->xp_verf;
- rply.acpted_rply.ar_stat = PROC_UNAVAIL;
- SVC_REPLY(xprt, &rply);
+ rply.rm_direction = REPLY;
+ rply.rm_reply.rp_stat = MSG_ACCEPTED;
+ rply.acpted_rply.ar_verf = xprt->xp_verf;
+ rply.acpted_rply.ar_stat = PROC_UNAVAIL;
+ SVC_REPLY (xprt, &rply);
}
+#ifdef EXPORT_RPC_SYMBOLS
+libc_hidden_def (svcerr_noproc)
+#else
+libc_hidden_nolink (svcerr_noproc, GLIBC_2_0)
+#endif
-/*
- * Can't decode args error reply
- */
+/* Can't decode args error reply */
void
-svcerr_decode(xprt)
- register SVCXPRT *xprt;
+svcerr_decode (register SVCXPRT *xprt)
{
- struct rpc_msg rply;
+ struct rpc_msg rply;
- rply.rm_direction = REPLY;
- rply.rm_reply.rp_stat = MSG_ACCEPTED;
- rply.acpted_rply.ar_verf = xprt->xp_verf;
- rply.acpted_rply.ar_stat = GARBAGE_ARGS;
- SVC_REPLY(xprt, &rply);
+ rply.rm_direction = REPLY;
+ rply.rm_reply.rp_stat = MSG_ACCEPTED;
+ rply.acpted_rply.ar_verf = xprt->xp_verf;
+ rply.acpted_rply.ar_stat = GARBAGE_ARGS;
+ SVC_REPLY (xprt, &rply);
}
+#ifdef EXPORT_RPC_SYMBOLS
+libc_hidden_def (svcerr_decode)
+#else
+libc_hidden_nolink (svcerr_decode, GLIBC_2_0)
+#endif
-/*
- * Some system error
- */
+/* Some system error */
void
-svcerr_systemerr(xprt)
- register SVCXPRT *xprt;
+svcerr_systemerr (register SVCXPRT *xprt)
{
- struct rpc_msg rply;
+ struct rpc_msg rply;
- rply.rm_direction = REPLY;
- rply.rm_reply.rp_stat = MSG_ACCEPTED;
- rply.acpted_rply.ar_verf = xprt->xp_verf;
- rply.acpted_rply.ar_stat = SYSTEM_ERR;
- SVC_REPLY(xprt, &rply);
+ rply.rm_direction = REPLY;
+ rply.rm_reply.rp_stat = MSG_ACCEPTED;
+ rply.acpted_rply.ar_verf = xprt->xp_verf;
+ rply.acpted_rply.ar_stat = SYSTEM_ERR;
+ SVC_REPLY (xprt, &rply);
}
+#ifdef EXPORT_RPC_SYMBOLS
+libc_hidden_def (svcerr_systemerr)
+#else
+libc_hidden_nolink (svcerr_systemerr, GLIBC_2_0)
+#endif
-/*
- * Authentication error reply
- */
+/* Authentication error reply */
void
-svcerr_auth(xprt, why)
- 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_reply.rp_stat = MSG_DENIED;
- rply.rjcted_rply.rj_stat = AUTH_ERROR;
- rply.rjcted_rply.rj_why = why;
- SVC_REPLY(xprt, &rply);
+ rply.rm_direction = REPLY;
+ rply.rm_reply.rp_stat = MSG_DENIED;
+ rply.rjcted_rply.rj_stat = AUTH_ERROR;
+ rply.rjcted_rply.rj_why = why;
+ SVC_REPLY (xprt, &rply);
}
+libc_hidden_nolink (svcerr_auth, GLIBC_2_0)
-/*
- * Auth too weak error reply
- */
+/* Auth too weak error reply */
void
-svcerr_weakauth(xprt)
- SVCXPRT *xprt;
+svcerr_weakauth (SVCXPRT *xprt)
{
-
- svcerr_auth(xprt, AUTH_TOOWEAK);
+ svcerr_auth (xprt, AUTH_TOOWEAK);
}
+libc_hidden_nolink (svcerr_weakauth, GLIBC_2_0)
-/*
- * Program unavailable error reply
- */
-void
-svcerr_noprog(xprt)
- register SVCXPRT *xprt;
+/* Program unavailable error reply */
+void
+svcerr_noprog (register SVCXPRT *xprt)
{
- struct rpc_msg rply;
+ struct rpc_msg rply;
- rply.rm_direction = REPLY;
- rply.rm_reply.rp_stat = MSG_ACCEPTED;
- rply.acpted_rply.ar_verf = xprt->xp_verf;
- rply.acpted_rply.ar_stat = PROG_UNAVAIL;
- SVC_REPLY(xprt, &rply);
+ rply.rm_direction = REPLY;
+ rply.rm_reply.rp_stat = MSG_ACCEPTED;
+ rply.acpted_rply.ar_verf = xprt->xp_verf;
+ rply.acpted_rply.ar_stat = PROG_UNAVAIL;
+ SVC_REPLY (xprt, &rply);
}
+libc_hidden_nolink (svcerr_noprog, GLIBC_2_0)
-/*
- * Program version mismatch error reply
- */
-void
-svcerr_progvers(xprt, low_vers, high_vers)
- register SVCXPRT *xprt;
- u_long low_vers;
- u_long high_vers;
+/* Program version mismatch error reply */
+void
+svcerr_progvers (register SVCXPRT *xprt, rpcvers_t low_vers,
+ rpcvers_t high_vers)
{
- struct rpc_msg rply;
-
- rply.rm_direction = REPLY;
- rply.rm_reply.rp_stat = MSG_ACCEPTED;
- rply.acpted_rply.ar_verf = xprt->xp_verf;
- rply.acpted_rply.ar_stat = PROG_MISMATCH;
- rply.acpted_rply.ar_vers.low = low_vers;
- rply.acpted_rply.ar_vers.high = high_vers;
- SVC_REPLY(xprt, &rply);
+ struct rpc_msg rply;
+
+ rply.rm_direction = REPLY;
+ rply.rm_reply.rp_stat = MSG_ACCEPTED;
+ rply.acpted_rply.ar_verf = xprt->xp_verf;
+ rply.acpted_rply.ar_stat = PROG_MISMATCH;
+ rply.acpted_rply.ar_vers.low = low_vers;
+ rply.acpted_rply.ar_vers.high = high_vers;
+ SVC_REPLY (xprt, &rply);
}
+libc_hidden_nolink (svcerr_progvers, GLIBC_2_0)
/* ******************* SERVER INPUT STUFF ******************* */
* the "raw" parameters (msg.rm_call.cb_cred and msg.rm_call.cb_verf) and
* the "cooked" credentials (rqst->rq_clntcred).
* 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
- * 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.
* The storage is trivially management on the call stack in user land, but
* is mallocated in kernel land.
*/
void
-svc_getreq(rdfds)
- int rdfds;
+svc_getreq (int rdfds)
{
-#ifdef FD_SETSIZE
- fd_set readfds;
+ fd_set readfds;
- FD_ZERO(&readfds);
- readfds.fds_bits[0] = rdfds;
- svc_getreqset(&readfds);
-#else
- int readfds = rdfds & svc_fds;
+ FD_ZERO (&readfds);
+ readfds.fds_bits[0] = rdfds;
+ svc_getreqset (&readfds);
+}
+libc_hidden_nolink (svc_getreq, GLIBC_2_0)
- svc_getreqset(&readfds);
-#endif /* def FD_SETSIZE */
+void
+svc_getreqset (fd_set *readfds)
+{
+ register fd_mask mask;
+ register fd_mask *maskp;
+ register int setsize;
+ register int sock;
+ register int bit;
+
+ setsize = _rpc_dtablesize ();
+ if (setsize > FD_SETSIZE)
+ setsize = FD_SETSIZE;
+ maskp = readfds->fds_bits;
+ for (sock = 0; sock < setsize; sock += NFDBITS)
+ for (mask = *maskp++; (bit = ffsl (mask)); mask ^= (1L << (bit - 1)))
+ svc_getreq_common (sock + bit - 1);
}
+libc_hidden_nolink (svc_getreqset, GLIBC_2_0)
void
-svc_getreqset(readfds)
-#ifdef FD_SETSIZE
- fd_set *readfds;
+svc_getreq_poll (struct pollfd *pfdp, int pollretval)
{
+ if (pollretval == 0)
+ return;
+
+ register int fds_found;
+ for (int i = fds_found = 0; i < svc_max_pollfd; ++i)
+ {
+ register struct pollfd *p = &pfdp[i];
+
+ if (p->fd != -1 && p->revents)
+ {
+ /* fd has input waiting */
+ if (p->revents & POLLNVAL)
+ xprt_unregister (xports[p->fd]);
+ else
+ svc_getreq_common (p->fd);
+
+ if (++fds_found >= pollretval)
+ break;
+ }
+ }
+}
+#ifdef EXPORT_RPC_SYMBOLS
+libc_hidden_def (svc_getreq_poll)
#else
- int *readfds;
+libc_hidden_nolink (svc_getreq_poll, GLIBC_2_2)
+#endif
+
+
+void
+svc_getreq_common (const int fd)
{
- int readfds_local = *readfds;
-#endif /* def FD_SETSIZE */
- enum xprt_stat stat;
- struct rpc_msg msg;
- int prog_found;
- u_long low_vers;
- u_long high_vers;
- struct svc_req r;
- register SVCXPRT *xprt;
- register u_long mask;
- register int bit;
- register u_int32_t *maskp;
- register int setsize;
- register int sock;
- 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]);
-
-
-#ifdef FD_SETSIZE
- setsize = _rpc_dtablesize();
- maskp = (u_int32_t *)readfds->fds_bits;
- for (sock = 0; sock < setsize; sock += 32) {
- for (mask = *maskp++; bit = ffs(mask); mask ^= (1 << (bit - 1))) {
- /* sock has input waiting */
- xprt = xports[sock + bit - 1];
-#else
- for (sock = 0; readfds_local != 0; sock++, readfds_local >>= 1) {
- if ((readfds_local & 1) != 0) {
- /* sock has input waiting */
- xprt = xports[sock];
-#endif /* def FD_SETSIZE */
- /* now receive msgs from xprtprt (support batch calls) */
- do {
- if (SVC_RECV(xprt, &msg)) {
-
- /* now find the exported program and call it */
- register 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 = 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);
+ 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);
}
+libc_hidden_nolink (svc_getreq_common, GLIBC_2_2)
+
+#ifdef _RPC_THREAD_SAFE_
+
+void
+__rpc_thread_svc_cleanup (void)
+{
+ struct svc_callout *svcp;
+
+ while ((svcp = svc_head) != NULL)
+ svc_unregister (svcp->sc_prog, svcp->sc_vers);
+}
+
+#endif /* _RPC_THREAD_SAFE_ */
projects / platform / upstream / glibc.git / blobdiff