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Diffstat (limited to 'sunrpc/svc.c')
-rw-r--r--sunrpc/svc.c527
1 files changed, 273 insertions, 254 deletions
diff --git a/sunrpc/svc.c b/sunrpc/svc.c
index fcd7b36db4..93d8bbd993 100644
--- a/sunrpc/svc.c
+++ b/sunrpc/svc.c
@@ -41,8 +41,9 @@ static char sccsid[] = "@(#)svc.c 1.41 87/10/13 Copyr 1984 Sun Micro";
  * Copyright (C) 1984, Sun Microsystems, Inc.
  */
 
-#include <sys/errno.h>
+#include <errno.h>
 #include <rpc/rpc.h>
+#include <rpc/svc.h>
 #include <rpc/pmap_clnt.h>
 
 #ifndef errno
@@ -58,7 +59,7 @@ static SVCXPRT *xports[NOFILE];
 #endif /* def FD_SETSIZE */
 
 #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
@@ -66,14 +67,16 @@ static SVCXPRT *xports[NOFILE];
  * The dispatch routine takes request structs and runs the
  * appropriate 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
+  {
+    struct svc_callout *sc_next;
+    u_long sc_prog;
+    u_long sc_vers;
+    void (*sc_dispatch) (struct svc_req *, SVCXPRT *);
+  }
+ *svc_head;
 
-static struct svc_callout *svc_find();
+static struct svc_callout *svc_find (u_long, u_long, struct svc_callout **);
 
 /* ***************  SVCXPRT related stuff **************** */
 
@@ -81,25 +84,27 @@ static struct svc_callout *svc_find();
  * Activate a transport handle.
  */
 void
-xprt_register(xprt)
-	SVCXPRT *xprt;
+xprt_register (SVCXPRT *xprt)
 {
-	register int sock = xprt->xp_sock;
+  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);
-	}
+  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);
-	}
+  if (sock < NOFILE)
+    {
+      xports[sock] = xprt;
+      svc_fds |= (1 << sock);
+    }
 #endif /* def FD_SETSIZE */
 
 }
@@ -108,21 +113,23 @@ xprt_register(xprt)
  * De-activate a transport handle.
  */
 void
-xprt_unregister(xprt)
-	SVCXPRT *xprt;
+xprt_unregister (xprt)
+     SVCXPRT *xprt;
 {
-	register int sock = xprt->xp_sock;
+  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);
-	}
+  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);
-	}
+  if ((sock < NOFILE) && (xports[sock] == xprt))
+    {
+      xports[sock] = (SVCXPRT *) 0;
+      svc_fds &= ~(1 << sock);
+    }
 #endif /* def FD_SETSIZE */
 }
 
@@ -135,60 +142,62 @@ xprt_unregister(xprt)
  * 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;
+svc_register (SVCXPRT *xprt, u_long prog, u_long vers,
+	      void (*dispatch) (struct svc_req *, SVCXPRT *), u_long 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;
+  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);
+  /* now register the information with the local binder service */
+  if (protocol)
+    {
+      return pmap_set (prog, vers, protocol, xprt->xp_port);
+    }
+  return TRUE;
 }
 
 /*
  * Remove a service program from the callout list.
  */
 void
-svc_unregister(prog, vers)
-	u_long prog;
-	u_long vers;
+svc_unregister (prog, vers)
+     u_long prog;
+     u_long 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;
+
+  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);
 }
 
 /*
@@ -196,22 +205,20 @@ svc_unregister(prog, vers)
  * struct.
  */
 static struct svc_callout *
-svc_find(prog, vers, prev)
-	u_long prog;
-	u_long vers;
-	struct svc_callout **prev;
+svc_find (u_long prog, u_long 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;
-	}
+  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);
+  *prev = p;
+  return s;
 }
 
 /* ******************* REPLY GENERATION ROUTINES  ************ */
@@ -220,132 +227,132 @@ done:
  * 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 (xprt, xdr_results, xdr_location)
+     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);
 }
 
 /*
  * No procedure error reply
  */
 void
-svcerr_noproc(xprt)
-	register SVCXPRT *xprt;
+svcerr_noproc (xprt)
+     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);
 }
 
 /*
  * Can't decode args error reply
  */
 void
-svcerr_decode(xprt)
-	register SVCXPRT *xprt;
+svcerr_decode (xprt)
+     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);
 }
 
 /*
  * Some system error
  */
 void
-svcerr_systemerr(xprt)
-	register SVCXPRT *xprt;
+svcerr_systemerr (xprt)
+     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);
 }
 
 /*
  * Authentication error reply
  */
 void
-svcerr_auth(xprt, why)
-	SVCXPRT *xprt;
-	enum auth_stat why;
+svcerr_auth (xprt, why)
+     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);
 }
 
 /*
  * Auth too weak error reply
  */
 void
-svcerr_weakauth(xprt)
-	SVCXPRT *xprt;
+svcerr_weakauth (xprt)
+     SVCXPRT *xprt;
 {
 
-	svcerr_auth(xprt, AUTH_TOOWEAK);
+  svcerr_auth (xprt, AUTH_TOOWEAK);
 }
 
 /*
  * Program unavailable error reply
  */
 void
-svcerr_noprog(xprt)
-	register SVCXPRT *xprt;
+svcerr_noprog (xprt)
+     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);
 }
 
 /*
  * Program version mismatch error reply
  */
 void
-svcerr_progvers(xprt, low_vers, high_vers)
-	register SVCXPRT *xprt;
-	u_long low_vers;
-	u_long high_vers;
+svcerr_progvers (xprt, low_vers, high_vers)
+     register SVCXPRT *xprt;
+     u_long low_vers;
+     u_long 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);
 }
 
 /* ******************* SERVER INPUT STUFF ******************* */
@@ -367,115 +374,127 @@ svcerr_progvers(xprt, low_vers, high_vers)
  */
 
 void
-svc_getreq(rdfds)
-	int rdfds;
+svc_getreq (rdfds)
+     int rdfds;
 {
 #ifdef FD_SETSIZE
-	fd_set readfds;
+  fd_set readfds;
 
-	FD_ZERO(&readfds);
-	readfds.fds_bits[0] = rdfds;
-	svc_getreqset(&readfds);
+  FD_ZERO (&readfds);
+  readfds.fds_bits[0] = rdfds;
+  svc_getreqset (&readfds);
 #else
-	int readfds = rdfds & svc_fds;
+  int readfds = rdfds & svc_fds;
 
-	svc_getreqset(&readfds);
+  svc_getreqset (&readfds);
 #endif /* def FD_SETSIZE */
 }
 
 void
-svc_getreqset(readfds)
+svc_getreqset (readfds)
 #ifdef FD_SETSIZE
-	fd_set *readfds;
+     fd_set *readfds;
 {
 #else
-	int *readfds;
+     int *readfds;
 {
-    int readfds_local = *readfds;
+  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]);
+  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];
+  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];
+  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);
+	  /* 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);
 	}
+    }
 }
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-08-14 06:57:13 +0000