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-rw-r--r--sunrpc/svc_tcp.c530
1 files changed, 269 insertions, 261 deletions
diff --git a/sunrpc/svc_tcp.c b/sunrpc/svc_tcp.c
index 278e16fc33..758b6ba6e4 100644
--- a/sunrpc/svc_tcp.c
+++ b/sunrpc/svc_tcp.c
@@ -42,66 +42,70 @@ static char sccsid[] = "@(#)svc_tcp.c 1.21 87/08/11 Copyr 1984 Sun Micro";
*/
#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
#include <rpc/rpc.h>
#include <sys/socket.h>
#include <errno.h>
-#define abort ((bool_t (*) ()) abort)
-#ifndef errno
-extern errno;
-#endif
+#include <stdlib.h>
/*
* Ops vector for TCP/IP based rpc service handle
*/
-static bool_t svctcp_recv();
-static enum xprt_stat svctcp_stat();
-static bool_t svctcp_getargs();
-static bool_t svctcp_reply();
-static bool_t svctcp_freeargs();
-static void svctcp_destroy();
-
-static struct xp_ops svctcp_op = {
- svctcp_recv,
- svctcp_stat,
- svctcp_getargs,
- svctcp_reply,
- svctcp_freeargs,
- svctcp_destroy
+static bool_t svctcp_recv (SVCXPRT *, struct rpc_msg *);
+static enum xprt_stat svctcp_stat (SVCXPRT *);
+static bool_t svctcp_getargs (SVCXPRT *, xdrproc_t, caddr_t);
+static bool_t svctcp_reply (SVCXPRT *, struct rpc_msg *);
+static bool_t svctcp_freeargs (SVCXPRT *, xdrproc_t, caddr_t);
+static void svctcp_destroy (SVCXPRT *);
+
+static const struct xp_ops svctcp_op =
+{
+ svctcp_recv,
+ svctcp_stat,
+ svctcp_getargs,
+ svctcp_reply,
+ svctcp_freeargs,
+ svctcp_destroy
};
/*
* Ops vector for TCP/IP rendezvous handler
*/
-static bool_t rendezvous_request();
-static enum xprt_stat rendezvous_stat();
-
-static struct xp_ops svctcp_rendezvous_op = {
- rendezvous_request,
- rendezvous_stat,
- abort,
- abort,
- abort,
- svctcp_destroy
+static bool_t rendezvous_request (SVCXPRT *, struct rpc_msg *);
+static enum xprt_stat rendezvous_stat (SVCXPRT *);
+
+static const struct xp_ops svctcp_rendezvous_op =
+{
+ rendezvous_request,
+ rendezvous_stat,
+ (bool_t (*) (SVCXPRT *, xdrproc_t, caddr_t)) abort,
+ (bool_t (*) (SVCXPRT *, struct rpc_msg *)) abort,
+ (bool_t (*) (SVCXPRT *, xdrproc_t, caddr_t)) abort,
+ svctcp_destroy
};
-static int readtcp(), writetcp();
-static SVCXPRT *makefd_xprt();
+static int readtcp (char*, char *, int);
+static int writetcp (char *, char *, int);
+static SVCXPRT *makefd_xprt (int, u_int, u_int);
-struct tcp_rendezvous { /* kept in xprt->xp_p1 */
- u_int sendsize;
- u_int recvsize;
-};
+struct tcp_rendezvous
+ { /* kept in xprt->xp_p1 */
+ u_int sendsize;
+ u_int recvsize;
+ };
-struct tcp_conn { /* kept in xprt->xp_p1 */
- enum xprt_stat strm_stat;
- u_long x_id;
- XDR xdrs;
- char verf_body[MAX_AUTH_BYTES];
-};
+struct tcp_conn
+ { /* kept in xprt->xp_p1 */
+ enum xprt_stat strm_stat;
+ u_long x_id;
+ XDR xdrs;
+ char verf_body[MAX_AUTH_BYTES];
+ };
/*
* Usage:
- * xprt = svctcp_create(sock, send_buf_size, recv_buf_size);
+ * xprt = svctcp_create(sock, send_buf_size, recv_buf_size);
*
* Creates, registers, and returns a (rpc) tcp based transporter.
* Once *xprt is initialized, it is registered as a transporter
@@ -120,57 +124,60 @@ struct tcp_conn { /* kept in xprt->xp_p1 */
* 0 => use the system default.
*/
SVCXPRT *
-svctcp_create(sock, sendsize, recvsize)
- register int sock;
- u_int sendsize;
- u_int recvsize;
+svctcp_create (int sock, u_int sendsize, u_int recvsize)
{
- bool_t madesock = FALSE;
- register SVCXPRT *xprt;
- register struct tcp_rendezvous *r;
- struct sockaddr_in addr;
- int len = sizeof(struct sockaddr_in);
-
- if (sock == RPC_ANYSOCK) {
- if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
- perror(_("svctcp_.c - udp socket creation problem"));
- return ((SVCXPRT *)NULL);
- }
- madesock = TRUE;
- }
- bzero((char *)&addr, sizeof (addr));
- addr.sin_family = AF_INET;
- if (bindresvport(sock, &addr)) {
- addr.sin_port = 0;
- (void)bind(sock, (struct sockaddr *)&addr, len);
- }
- if ((getsockname(sock, (struct sockaddr *)&addr, &len) != 0) ||
- (listen(sock, 2) != 0)) {
- perror(_("svctcp_.c - cannot getsockname or listen"));
- if (madesock)
- (void)close(sock);
- return ((SVCXPRT *)NULL);
- }
- r = (struct tcp_rendezvous *)mem_alloc(sizeof(*r));
- if (r == NULL) {
- (void) fprintf(stderr, _("svctcp_create: out of memory\n"));
- return (NULL);
- }
- r->sendsize = sendsize;
- r->recvsize = recvsize;
- xprt = (SVCXPRT *)mem_alloc(sizeof(SVCXPRT));
- if (xprt == NULL) {
- (void) fprintf(stderr, _("svctcp_create: out of memory\n"));
- return (NULL);
+ bool_t madesock = FALSE;
+ SVCXPRT *xprt;
+ struct tcp_rendezvous *r;
+ struct sockaddr_in addr;
+ int len = sizeof (struct sockaddr_in);
+
+ if (sock == RPC_ANYSOCK)
+ {
+ if ((sock = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
+ {
+ perror (_("svctcp_.c - udp socket creation problem"));
+ return (SVCXPRT *) NULL;
}
- xprt->xp_p2 = NULL;
- xprt->xp_p1 = (caddr_t)r;
- xprt->xp_verf = _null_auth;
- xprt->xp_ops = &svctcp_rendezvous_op;
- xprt->xp_port = ntohs(addr.sin_port);
- xprt->xp_sock = sock;
- xprt_register(xprt);
- return (xprt);
+ madesock = TRUE;
+ }
+ bzero ((char *) &addr, sizeof (addr));
+ addr.sin_family = AF_INET;
+ if (bindresvport (sock, &addr))
+ {
+ addr.sin_port = 0;
+ (void) bind (sock, (struct sockaddr *) &addr, len);
+ }
+ if ((getsockname (sock, (struct sockaddr *) &addr, &len) != 0) ||
+ (listen (sock, 2) != 0))
+ {
+ perror (_("svctcp_.c - cannot getsockname or listen"));
+ if (madesock)
+ (void) close (sock);
+ return (SVCXPRT *) NULL;
+ }
+ r = (struct tcp_rendezvous *) mem_alloc (sizeof (*r));
+ if (r == NULL)
+ {
+ (void) fputs (_("svctcp_create: out of memory\n"), stderr);
+ return NULL;
+ }
+ r->sendsize = sendsize;
+ r->recvsize = recvsize;
+ xprt = (SVCXPRT *) mem_alloc (sizeof (SVCXPRT));
+ if (xprt == NULL)
+ {
+ (void) fputs (_("svctcp_create: out of memory\n"), stderr);
+ return NULL;
+ }
+ xprt->xp_p2 = NULL;
+ xprt->xp_p1 = (caddr_t) r;
+ xprt->xp_verf = _null_auth;
+ xprt->xp_ops = &svctcp_rendezvous_op;
+ xprt->xp_port = ntohs (addr.sin_port);
+ xprt->xp_sock = sock;
+ xprt_register (xprt);
+ return xprt;
}
/*
@@ -178,109 +185,106 @@ svctcp_create(sock, sendsize, recvsize)
* descriptor as its first input.
*/
SVCXPRT *
-svcfd_create(fd, sendsize, recvsize)
- int fd;
- u_int sendsize;
- u_int recvsize;
+svcfd_create (int fd, u_int sendsize, u_int recvsize)
{
-
- return (makefd_xprt(fd, sendsize, recvsize));
+ return makefd_xprt (fd, sendsize, recvsize);
}
static SVCXPRT *
-makefd_xprt(fd, sendsize, recvsize)
- int fd;
- u_int sendsize;
- u_int recvsize;
+makefd_xprt (int fd, u_int sendsize, u_int recvsize)
{
- register SVCXPRT *xprt;
- register struct tcp_conn *cd;
-
- xprt = (SVCXPRT *)mem_alloc(sizeof(SVCXPRT));
- if (xprt == (SVCXPRT *)NULL) {
- (void) fprintf(stderr, _("svc_tcp: makefd_xprt: out of memory\n"));
- goto done;
- }
- cd = (struct tcp_conn *)mem_alloc(sizeof(struct tcp_conn));
- if (cd == (struct tcp_conn *)NULL) {
- (void) fprintf(stderr, _("svc_tcp: makefd_xprt: out of memory\n"));
- mem_free((char *) xprt, sizeof(SVCXPRT));
- xprt = (SVCXPRT *)NULL;
- goto done;
- }
- cd->strm_stat = XPRT_IDLE;
- xdrrec_create(&(cd->xdrs), sendsize, recvsize,
- (caddr_t)xprt, readtcp, writetcp);
- xprt->xp_p2 = NULL;
- xprt->xp_p1 = (caddr_t)cd;
- xprt->xp_verf.oa_base = cd->verf_body;
- xprt->xp_addrlen = 0;
- xprt->xp_ops = &svctcp_op; /* truly deals with calls */
- xprt->xp_port = 0; /* this is a connection, not a rendezvouser */
- xprt->xp_sock = fd;
- xprt_register(xprt);
- done:
- return (xprt);
+ SVCXPRT *xprt;
+ struct tcp_conn *cd;
+
+ xprt = (SVCXPRT *) mem_alloc (sizeof (SVCXPRT));
+ if (xprt == (SVCXPRT *) NULL)
+ {
+ (void) fputs (_("svc_tcp: makefd_xprt: out of memory\n"), stderr);
+ goto done;
+ }
+ cd = (struct tcp_conn *) mem_alloc (sizeof (struct tcp_conn));
+ if (cd == (struct tcp_conn *) NULL)
+ {
+ (void) fputs (_("svc_tcp: makefd_xprt: out of memory\n"), stderr);
+ mem_free ((char *) xprt, sizeof (SVCXPRT));
+ xprt = (SVCXPRT *) NULL;
+ goto done;
+ }
+ cd->strm_stat = XPRT_IDLE;
+ xdrrec_create (&(cd->xdrs), sendsize, recvsize,
+ (caddr_t) xprt, readtcp, writetcp);
+ xprt->xp_p2 = NULL;
+ xprt->xp_p1 = (caddr_t) cd;
+ xprt->xp_verf.oa_base = cd->verf_body;
+ xprt->xp_addrlen = 0;
+ xprt->xp_ops = &svctcp_op; /* truly deals with calls */
+ xprt->xp_port = 0; /* this is a connection, not a rendezvouser */
+ xprt->xp_sock = fd;
+ xprt_register (xprt);
+done:
+ return xprt;
}
static bool_t
-rendezvous_request(xprt)
- register SVCXPRT *xprt;
+rendezvous_request (SVCXPRT *xprt, struct rpc_msg *errmsg)
{
- int sock;
- struct tcp_rendezvous *r;
- struct sockaddr_in addr;
- int len;
-
- r = (struct tcp_rendezvous *)xprt->xp_p1;
- again:
- len = sizeof(struct sockaddr_in);
- if ((sock = accept(xprt->xp_sock, (struct sockaddr *)&addr,
- &len)) < 0) {
- if (errno == EINTR)
- goto again;
- return (FALSE);
- }
- /*
- * make a new transporter (re-uses xprt)
- */
- xprt = makefd_xprt(sock, r->sendsize, r->recvsize);
- xprt->xp_raddr = addr;
- xprt->xp_addrlen = len;
- return (FALSE); /* there is never an rpc msg to be processed */
+ int sock;
+ struct tcp_rendezvous *r;
+ struct sockaddr_in addr;
+ int len;
+
+ r = (struct tcp_rendezvous *) xprt->xp_p1;
+again:
+ len = sizeof (struct sockaddr_in);
+ if ((sock = accept (xprt->xp_sock, (struct sockaddr *) &addr,
+ &len)) < 0)
+ {
+ if (errno == EINTR)
+ goto again;
+ return FALSE;
+ }
+ /*
+ * make a new transporter (re-uses xprt)
+ */
+ xprt = makefd_xprt (sock, r->sendsize, r->recvsize);
+ xprt->xp_raddr = addr;
+ xprt->xp_addrlen = len;
+ return FALSE; /* there is never an rpc msg to be processed */
}
static enum xprt_stat
-rendezvous_stat()
+rendezvous_stat (SVCXPRT *xprt)
{
-
- return (XPRT_IDLE);
+ return XPRT_IDLE;
}
static void
-svctcp_destroy(xprt)
- register SVCXPRT *xprt;
+svctcp_destroy (SVCXPRT *xprt)
{
- register struct tcp_conn *cd = (struct tcp_conn *)xprt->xp_p1;
-
- xprt_unregister(xprt);
- (void)close(xprt->xp_sock);
- if (xprt->xp_port != 0) {
- /* a rendezvouser socket */
- xprt->xp_port = 0;
- } else {
- /* an actual connection socket */
- XDR_DESTROY(&(cd->xdrs));
- }
- mem_free((caddr_t)cd, sizeof(struct tcp_conn));
- mem_free((caddr_t)xprt, sizeof(SVCXPRT));
+ struct tcp_conn *cd = (struct tcp_conn *) xprt->xp_p1;
+
+ xprt_unregister (xprt);
+ (void) close (xprt->xp_sock);
+ if (xprt->xp_port != 0)
+ {
+ /* a rendezvouser socket */
+ xprt->xp_port = 0;
+ }
+ else
+ {
+ /* an actual connection socket */
+ XDR_DESTROY (&(cd->xdrs));
+ }
+ mem_free ((caddr_t) cd, sizeof (struct tcp_conn));
+ mem_free ((caddr_t) xprt, sizeof (SVCXPRT));
}
/*
* All read operations timeout after 35 seconds.
* A timeout is fatal for the connection.
*/
-static struct timeval wait_per_try = { 35, 0 };
+static struct timeval wait_per_try =
+{35, 0};
/*
* reads data from the tcp connection.
@@ -288,43 +292,47 @@ static struct timeval wait_per_try = { 35, 0 };
* (And a read of zero bytes is a half closed stream => error.)
*/
static int
-readtcp(xprt, buf, len)
- register SVCXPRT *xprt;
- caddr_t buf;
- register int len;
+readtcp (char *xprtptr, char *buf, int len)
{
- register int sock = xprt->xp_sock;
+ SVCXPRT *xprt = (SVCXPRT *)xprtptr;
+ int sock = xprt->xp_sock;
#ifdef FD_SETSIZE
- fd_set mask;
- fd_set readfds;
+ fd_set mask;
+ fd_set readfds;
- FD_ZERO(&mask);
- FD_SET(sock, &mask);
+ FD_ZERO (&mask);
+ FD_SET (sock, &mask);
#else
- register int mask = 1 << sock;
- int readfds;
+ int mask = 1 << sock;
+ int readfds;
#endif /* def FD_SETSIZE */
- do {
- struct timeval timeout = wait_per_try;
- readfds = mask;
- if (select(_rpc_dtablesize(), &readfds, (int*)NULL, (int*)NULL,
- &timeout) <= 0) {
- if (errno == EINTR) {
- continue;
- }
- goto fatal_err;
- }
+ do
+ {
+ struct timeval timeout = wait_per_try;
+ readfds = mask;
+ if (select (_rpc_dtablesize (), &readfds, (fd_set *) NULL,
+ (fd_set *) NULL, &timeout) <= 0)
+ {
+ if (errno == EINTR)
+ {
+ continue;
+ }
+ goto fatal_err;
+ }
#ifdef FD_SETSIZE
- } while (!FD_ISSET(sock, &readfds));
+ }
+ while (!FD_ISSET (sock, &readfds));
#else
- } while (readfds != mask);
+ }
+ while (readfds != mask);
#endif /* def FD_SETSIZE */
- if ((len = read(sock, buf, len)) > 0) {
- return (len);
- }
+ if ((len = read (sock, buf, len)) > 0)
+ {
+ return len;
+ }
fatal_err:
- ((struct tcp_conn *)(xprt->xp_p1))->strm_stat = XPRT_DIED;
- return (-1);
+ ((struct tcp_conn *) (xprt->xp_p1))->strm_stat = XPRT_DIED;
+ return -1;
}
/*
@@ -332,91 +340,91 @@ fatal_err:
* Any error is fatal and the connection is closed.
*/
static int
-writetcp(xprt, buf, len)
- register SVCXPRT *xprt;
- caddr_t buf;
- int len;
+writetcp (char *xprtptr, char * buf, int len)
{
- register int i, cnt;
-
- for (cnt = len; cnt > 0; cnt -= i, buf += i) {
- if ((i = write(xprt->xp_sock, buf, cnt)) < 0) {
- ((struct tcp_conn *)(xprt->xp_p1))->strm_stat =
- XPRT_DIED;
- return (-1);
- }
+ SVCXPRT *xprt = (SVCXPRT *)xprtptr;
+ int i, cnt;
+
+ for (cnt = len; cnt > 0; cnt -= i, buf += i)
+ {
+ if ((i = write (xprt->xp_sock, buf, cnt)) < 0)
+ {
+ ((struct tcp_conn *) (xprt->xp_p1))->strm_stat =
+ XPRT_DIED;
+ return (-1);
}
- return (len);
+ }
+ return (len);
}
static enum xprt_stat
-svctcp_stat(xprt)
- SVCXPRT *xprt;
+svctcp_stat (SVCXPRT *xprt)
{
- register struct tcp_conn *cd =
- (struct tcp_conn *)(xprt->xp_p1);
-
- if (cd->strm_stat == XPRT_DIED)
- return (XPRT_DIED);
- if (! xdrrec_eof(&(cd->xdrs)))
- return (XPRT_MOREREQS);
- return (XPRT_IDLE);
+ struct tcp_conn *cd =
+ (struct tcp_conn *) (xprt->xp_p1);
+
+ if (cd->strm_stat == XPRT_DIED)
+ return (XPRT_DIED);
+ if (!xdrrec_eof (&(cd->xdrs)))
+ return (XPRT_MOREREQS);
+ return (XPRT_IDLE);
}
static bool_t
-svctcp_recv(xprt, msg)
- SVCXPRT *xprt;
- register struct rpc_msg *msg;
+svctcp_recv (xprt, msg)
+ SVCXPRT *xprt;
+ struct rpc_msg *msg;
{
- register struct tcp_conn *cd =
- (struct tcp_conn *)(xprt->xp_p1);
- register XDR *xdrs = &(cd->xdrs);
-
- xdrs->x_op = XDR_DECODE;
- (void)xdrrec_skiprecord(xdrs);
- if (xdr_callmsg(xdrs, msg)) {
- cd->x_id = msg->rm_xid;
- return (TRUE);
- }
- return (FALSE);
+ struct tcp_conn *cd =
+ (struct tcp_conn *) (xprt->xp_p1);
+ XDR *xdrs = &(cd->xdrs);
+
+ xdrs->x_op = XDR_DECODE;
+ (void) xdrrec_skiprecord (xdrs);
+ if (xdr_callmsg (xdrs, msg))
+ {
+ cd->x_id = msg->rm_xid;
+ return (TRUE);
+ }
+ return (FALSE);
}
static bool_t
-svctcp_getargs(xprt, xdr_args, args_ptr)
- SVCXPRT *xprt;
- xdrproc_t xdr_args;
- caddr_t args_ptr;
+svctcp_getargs (xprt, xdr_args, args_ptr)
+ SVCXPRT *xprt;
+ xdrproc_t xdr_args;
+ caddr_t args_ptr;
{
- return ((*xdr_args)(&(((struct tcp_conn *)(xprt->xp_p1))->xdrs), args_ptr));
+ return ((*xdr_args) (&(((struct tcp_conn *) (xprt->xp_p1))->xdrs), args_ptr));
}
static bool_t
-svctcp_freeargs(xprt, xdr_args, args_ptr)
- SVCXPRT *xprt;
- xdrproc_t xdr_args;
- caddr_t args_ptr;
+svctcp_freeargs (xprt, xdr_args, args_ptr)
+ SVCXPRT *xprt;
+ xdrproc_t xdr_args;
+ caddr_t args_ptr;
{
- register XDR *xdrs =
- &(((struct tcp_conn *)(xprt->xp_p1))->xdrs);
+ XDR *xdrs =
+ &(((struct tcp_conn *) (xprt->xp_p1))->xdrs);
- xdrs->x_op = XDR_FREE;
- return ((*xdr_args)(xdrs, args_ptr));
+ xdrs->x_op = XDR_FREE;
+ return ((*xdr_args) (xdrs, args_ptr));
}
static bool_t
-svctcp_reply(xprt, msg)
- SVCXPRT *xprt;
- register struct rpc_msg *msg;
+svctcp_reply (xprt, msg)
+ SVCXPRT *xprt;
+ struct rpc_msg *msg;
{
- register struct tcp_conn *cd =
- (struct tcp_conn *)(xprt->xp_p1);
- register XDR *xdrs = &(cd->xdrs);
- register bool_t stat;
-
- xdrs->x_op = XDR_ENCODE;
- msg->rm_xid = cd->x_id;
- stat = xdr_replymsg(xdrs, msg);
- (void)xdrrec_endofrecord(xdrs, TRUE);
- return (stat);
+ struct tcp_conn *cd =
+ (struct tcp_conn *) (xprt->xp_p1);
+ XDR *xdrs = &(cd->xdrs);
+ bool_t stat;
+
+ xdrs->x_op = XDR_ENCODE;
+ msg->rm_xid = cd->x_id;
+ stat = xdr_replymsg (xdrs, msg);
+ (void) xdrrec_endofrecord (xdrs, TRUE);
+ return (stat);
}