[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/libc/inet/rpc/svc.c b/ap/build/uClibc/libc/inet/rpc/svc.c
new file mode 100644
index 0000000..b28485d
--- /dev/null
+++ b/ap/build/uClibc/libc/inet/rpc/svc.c
@@ -0,0 +1,506 @@
+/*
+ * 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
+ */
+/*
+ * svc.c, Server-side remote procedure call interface.
+ *
+ * There are two sets of procedures here. The xprt routines are
+ * for handling transport handles. The svc routines handle the
+ * list of service routines.
+ *
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ */
+
+#define __FORCE_GLIBC
+#include <features.h>
+
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+#include "rpc_private.h"
+#include <rpc/svc.h>
+#include <rpc/pmap_clnt.h>
+#include <sys/poll.h>
+
+/* used by svc_[max_]pollfd */
+/* used by svc_fdset */
+
+#ifdef __UCLIBC_HAS_THREADS__
+#define xports (*(SVCXPRT ***)&RPC_THREAD_VARIABLE(svc_xports_s))
+#else
+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
+ 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 *);
+};
+#ifdef __UCLIBC_HAS_THREADS__
+#define svc_head (*(struct svc_callout **)&RPC_THREAD_VARIABLE(svc_head_s))
+#else
+static struct svc_callout *svc_head;
+#endif
+
+/* *************** SVCXPRT related stuff **************** */
+
+/* Activate a transport handle. */
+void
+xprt_register (SVCXPRT *xprt)
+{
+ 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 ())
+ {
+ 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;
+ }
+
+ ++svc_max_pollfd;
+ svc_pollfd = realloc (svc_pollfd,
+ sizeof (struct pollfd) * svc_max_pollfd);
+ if (svc_pollfd == NULL) /* Out of memory */
+ return;
+
+ svc_pollfd[svc_max_pollfd - 1].fd = sock;
+ svc_pollfd[svc_max_pollfd - 1].events = (POLLIN | POLLPRI |
+ POLLRDNORM | POLLRDBAND);
+ }
+}
+libc_hidden_def(xprt_register)
+
+/* De-activate a transport handle. */
+void
+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;
+ }
+}
+libc_hidden_def(xprt_unregister)
+
+
+/* ********************** CALLOUT list related stuff ************* */
+
+/* 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)
+{
+ 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;
+}
+
+/* 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)
+{
+ 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;
+}
+libc_hidden_def(svc_register)
+
+/* 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 */
+ pmap_unset (prog, vers);
+}
+libc_hidden_def(svc_unregister)
+
+/* ******************* REPLY GENERATION ROUTINES ************ */
+
+/* Send a reply to an rpc request */
+bool_t
+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);
+}
+libc_hidden_def(svc_sendreply)
+
+/* No procedure error reply */
+void
+svcerr_noproc (register SVCXPRT *xprt)
+{
+ 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);
+}
+
+/* Can't decode args error reply */
+void
+svcerr_decode (register SVCXPRT *xprt)
+{
+ 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);
+}
+libc_hidden_def(svcerr_decode)
+
+/* Some system error */
+void
+svcerr_systemerr (register SVCXPRT *xprt)
+{
+ 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);
+}
+
+/* Authentication error reply */
+void
+svcerr_auth (SVCXPRT *xprt, enum auth_stat why)
+{
+ 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);
+}
+libc_hidden_def(svcerr_auth)
+
+/* Auth too weak error reply */
+void
+svcerr_weakauth (SVCXPRT *xprt)
+{
+ svcerr_auth (xprt, AUTH_TOOWEAK);
+}
+
+/* Program unavailable error reply */
+void
+svcerr_noprog (register SVCXPRT *xprt)
+{
+ 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);
+}
+libc_hidden_def(svcerr_noprog)
+
+/* 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);
+}
+libc_hidden_def(svcerr_progvers)
+
+/* ******************* SERVER INPUT STUFF ******************* */
+
+/*
+ * Get server side input from some transport.
+ *
+ * Statement of authentication parameters management:
+ * 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 "cooked" credentials (rqst->rq_clntcred).
+ * However, this function does not know the structure of the cooked
+ * 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.
+ * 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_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);
+}
+libc_hidden_def(svc_getreq_common)
+
+void
+svc_getreqset (fd_set *readfds)
+{
+ register u_int32_t mask;
+ register u_int32_t *maskp;
+ register int setsize;
+ register int sock;
+ register int bit;
+
+ 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)))
+ svc_getreq_common (sock + bit - 1);
+}
+libc_hidden_def(svc_getreqset)
+
+void
+svc_getreq (int rdfds)
+{
+ fd_set readfds;
+
+ FD_ZERO (&readfds);
+ readfds.fds_bits[0] = rdfds;
+ svc_getreqset (&readfds);
+}
+libc_hidden_def(svc_getreq)
+
+void
+svc_getreq_poll (struct pollfd *pfdp, int pollretval)
+{
+ register int i;
+ register int fds_found;
+
+ for (i = fds_found = 0; i < svc_max_pollfd && fds_found < pollretval; ++i)
+ {
+ register struct pollfd *p = &pfdp[i];
+
+ if (p->fd != -1 && p->revents)
+ {
+ /* fd has input waiting */
+ ++fds_found;
+
+ if (p->revents & POLLNVAL)
+ xprt_unregister (xports[p->fd]);
+ else
+ svc_getreq_common (p->fd);
+ }
+ }
+}
+libc_hidden_def(svc_getreq_poll)
+
+#ifdef __UCLIBC_HAS_THREADS__
+
+void attribute_hidden __rpc_thread_svc_cleanup (void)
+{
+ struct svc_callout *svcp;
+
+ while ((svcp = svc_head) != NULL)
+ svc_unregister (svcp->sc_prog, svcp->sc_vers);
+}
+
+#endif /* __UCLIBC_HAS_THREADS__ */