From af51a7a94a9548765a97f7b7ae198c849b07b050 Mon Sep 17 00:00:00 2001 From: Mystery Man Date: Fri, 7 Mar 2003 17:32:04 +0000 Subject: This commit was manufactured by cvs2svn to create tag 'V9_1_18mdk'. --- mdk-stage1/dietlibc/librpc/clnt_tcp.c | 463 ---------------------------------- 1 file changed, 463 deletions(-) delete mode 100644 mdk-stage1/dietlibc/librpc/clnt_tcp.c (limited to 'mdk-stage1/dietlibc/librpc/clnt_tcp.c') diff --git a/mdk-stage1/dietlibc/librpc/clnt_tcp.c b/mdk-stage1/dietlibc/librpc/clnt_tcp.c deleted file mode 100644 index 8c39e8933..000000000 --- a/mdk-stage1/dietlibc/librpc/clnt_tcp.c +++ /dev/null @@ -1,463 +0,0 @@ -/* @(#)clnt_tcp.c 2.2 88/08/01 4.0 RPCSRC */ -/* - * 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[] = "@(#)clnt_tcp.c 1.37 87/10/05 Copyr 1984 Sun Micro"; -#endif - -/* - * clnt_tcp.c, Implements a TCP/IP based, client side RPC. - * - * Copyright (C) 1984, Sun Microsystems, Inc. - * - * TCP based RPC supports 'batched calls'. - * A sequence of calls may be batched-up in a send buffer. The rpc call - * return immediately to the client even though the call was not necessarily - * sent. The batching occurs if the results' xdr routine is NULL (0) AND - * the rpc timeout value is zero (see clnt.h, rpc). - * - * Clients should NOT casually batch calls that in fact return results; that is, - * the server side should be aware that a call is batched and not produce any - * return message. Batched calls that produce many result messages can - * deadlock (netlock) the client and the server.... - * - * Now go hang yourself. - */ - -#include -#include -#include -#include -#include -#include -#include - -#define MCALL_MSG_SIZE 24 - -extern int errno; - -static int readtcp(); -static int writetcp(); - -static enum clnt_stat clnttcp_call(); -static void clnttcp_abort(); -static void clnttcp_geterr(); -static bool_t clnttcp_freeres(); -static bool_t clnttcp_control(); -static void clnttcp_destroy(); - -static struct clnt_ops tcp_ops = { - clnttcp_call, - clnttcp_abort, - clnttcp_geterr, - clnttcp_freeres, - clnttcp_destroy, - clnttcp_control -}; - -struct ct_data { - int ct_sock; - bool_t ct_closeit; - struct timeval ct_wait; - bool_t ct_waitset; /* wait set by clnt_control? */ - struct sockaddr_in ct_addr; - struct rpc_err ct_error; - char ct_mcall[MCALL_MSG_SIZE]; /* marshalled callmsg */ - u_int ct_mpos; /* pos after marshal */ - XDR ct_xdrs; -}; - -/* - * Create a client handle for a tcp/ip connection. - * If *sockp<0, *sockp is set to a newly created TCP socket and it is - * connected to raddr. If *sockp non-negative then - * raddr is ignored. The rpc/tcp package does buffering - * similar to stdio, so the client must pick send and receive buffer sizes,]; - * 0 => use the default. - * If raddr->sin_port is 0, then a binder on the remote machine is - * consulted for the right port number. - * NB: *sockp is copied into a private area. - * NB: It is the clients responsibility to close *sockp. - * NB: The rpch->cl_auth is set null authentication. Caller may wish to set this - * something more useful. - */ -CLIENT *clnttcp_create(raddr, prog, vers, sockp, sendsz, recvsz) -struct sockaddr_in *raddr; -u_long prog; -u_long vers; -register int *sockp; -u_int sendsz; -u_int recvsz; -{ - CLIENT *h; - register struct ct_data *ct; - struct timeval now; - struct rpc_msg call_msg; - - h = (CLIENT *) mem_alloc(sizeof(*h)); - if (h == NULL) { - (void) fprintf(stderr, "clnttcp_create: out of memory\n"); - rpc_createerr.cf_stat = RPC_SYSTEMERROR; - rpc_createerr.cf_error.re_errno = errno; - goto fooy; - } - ct = (struct ct_data *) mem_alloc(sizeof(*ct)); - if (ct == NULL) { - (void) fprintf(stderr, "clnttcp_create: out of memory\n"); - rpc_createerr.cf_stat = RPC_SYSTEMERROR; - rpc_createerr.cf_error.re_errno = errno; - goto fooy; - } - - /* - * If no port number given ask the pmap for one - */ - if (raddr->sin_port == 0) { - u_short port; - - if ((port = pmap_getport(raddr, prog, vers, IPPROTO_TCP)) == 0) { - mem_free((caddr_t) ct, sizeof(struct ct_data)); - - mem_free((caddr_t) h, sizeof(CLIENT)); - return ((CLIENT *) NULL); - } - raddr->sin_port = htons(port); - } - - /* - * If no socket given, open one - */ - if (*sockp < 0) { - *sockp = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); - (void) bindresvport(*sockp, (struct sockaddr_in *) 0); - if ((*sockp < 0) - || (connect(*sockp, (struct sockaddr *) raddr, - sizeof(*raddr)) < 0)) { - rpc_createerr.cf_stat = RPC_SYSTEMERROR; - rpc_createerr.cf_error.re_errno = errno; - (void) close(*sockp); - goto fooy; - } - ct->ct_closeit = TRUE; - } else { - ct->ct_closeit = FALSE; - } - - /* - * Set up private data struct - */ - ct->ct_sock = *sockp; - ct->ct_wait.tv_usec = 0; - ct->ct_waitset = FALSE; - ct->ct_addr = *raddr; - - /* - * Initialize call message - */ - (void) gettimeofday(&now, (struct timezone *) 0); - call_msg.rm_xid = getpid() ^ now.tv_sec ^ now.tv_usec; - call_msg.rm_direction = CALL; - call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; - call_msg.rm_call.cb_prog = prog; - call_msg.rm_call.cb_vers = vers; - - /* - * pre-serialize the staic part of the call msg and stash it away - */ - xdrmem_create(&(ct->ct_xdrs), ct->ct_mcall, MCALL_MSG_SIZE, - XDR_ENCODE); - if (!xdr_callhdr(&(ct->ct_xdrs), &call_msg)) { - if (ct->ct_closeit) { - (void) close(*sockp); - } - goto fooy; - } - ct->ct_mpos = XDR_GETPOS(&(ct->ct_xdrs)); - XDR_DESTROY(&(ct->ct_xdrs)); - - /* - * Create a client handle which uses xdrrec for serialization - * and authnone for authentication. - */ - xdrrec_create(&(ct->ct_xdrs), sendsz, recvsz, - (caddr_t) ct, readtcp, writetcp); - h->cl_ops = &tcp_ops; - h->cl_private = (caddr_t) ct; - h->cl_auth = authnone_create(); - return (h); - - fooy: - /* - * Something goofed, free stuff and barf - */ - mem_free((caddr_t) ct, sizeof(struct ct_data)); - - mem_free((caddr_t) h, sizeof(CLIENT)); - return ((CLIENT *) NULL); -} - -static enum clnt_stat -clnttcp_call(h, proc, xdr_args, args_ptr, xdr_results, results_ptr, - timeout) -register CLIENT *h; -u_long proc; -xdrproc_t xdr_args; -caddr_t args_ptr; -xdrproc_t xdr_results; -caddr_t results_ptr; -struct timeval timeout; -{ - register struct ct_data *ct = (struct ct_data *) h->cl_private; - register XDR *xdrs = &(ct->ct_xdrs); - struct rpc_msg reply_msg; - u_long x_id; - u_long *msg_x_id = (u_long *) (ct->ct_mcall); /* yuk */ - register bool_t shipnow; - int refreshes = 2; - - if (!ct->ct_waitset) { - ct->ct_wait = timeout; - } - - shipnow = - (xdr_results == (xdrproc_t) 0 && timeout.tv_sec == 0 - && timeout.tv_usec == 0) ? FALSE : TRUE; - - call_again: - xdrs->x_op = XDR_ENCODE; - ct->ct_error.re_status = RPC_SUCCESS; - x_id = ntohl(--(*msg_x_id)); - if ((!XDR_PUTBYTES(xdrs, ct->ct_mcall, ct->ct_mpos)) || - (!XDR_PUTLONG(xdrs, (long *) &proc)) || - (!AUTH_MARSHALL(h->cl_auth, xdrs)) || - (!(*xdr_args) (xdrs, args_ptr))) { - if (ct->ct_error.re_status == RPC_SUCCESS) - ct->ct_error.re_status = RPC_CANTENCODEARGS; - (void) xdrrec_endofrecord(xdrs, TRUE); - return (ct->ct_error.re_status); - } - if (!xdrrec_endofrecord(xdrs, shipnow)) - return (ct->ct_error.re_status = RPC_CANTSEND); - if (!shipnow) - return (RPC_SUCCESS); - /* - * Hack to provide rpc-based message passing - */ - if (timeout.tv_sec == 0 && timeout.tv_usec == 0) { - return (ct->ct_error.re_status = RPC_TIMEDOUT); - } - - - /* - * Keep receiving until we get a valid transaction id - */ - xdrs->x_op = XDR_DECODE; - while (TRUE) { - reply_msg.acpted_rply.ar_verf = _null_auth; - reply_msg.acpted_rply.ar_results.where = NULL; - reply_msg.acpted_rply.ar_results.proc = (xdrproc_t)xdr_void; - if (!xdrrec_skiprecord(xdrs)) - return (ct->ct_error.re_status); - /* now decode and validate the response header */ - if (!xdr_replymsg(xdrs, &reply_msg)) { - if (ct->ct_error.re_status == RPC_SUCCESS) - continue; - return (ct->ct_error.re_status); - } - if (reply_msg.rm_xid == x_id) - break; - } - - /* - * process header - */ - _seterr_reply(&reply_msg, &(ct->ct_error)); - if (ct->ct_error.re_status == RPC_SUCCESS) { - if (!AUTH_VALIDATE(h->cl_auth, &reply_msg.acpted_rply.ar_verf)) { - ct->ct_error.re_status = RPC_AUTHERROR; - ct->ct_error.re_why = AUTH_INVALIDRESP; - } else if (!(*xdr_results) (xdrs, results_ptr)) { - if (ct->ct_error.re_status == RPC_SUCCESS) - ct->ct_error.re_status = RPC_CANTDECODERES; - } - /* free verifier ... */ - if (reply_msg.acpted_rply.ar_verf.oa_base != NULL) { - xdrs->x_op = XDR_FREE; - (void) xdr_opaque_auth(xdrs, &(reply_msg.acpted_rply.ar_verf)); - } - } /* end successful completion */ - else { - /* maybe our credentials need to be refreshed ... */ - if (refreshes-- && AUTH_REFRESH(h->cl_auth)) - goto call_again; - } /* end of unsuccessful completion */ - return (ct->ct_error.re_status); -} - -static void clnttcp_geterr(h, errp) -CLIENT *h; -struct rpc_err *errp; -{ - register struct ct_data *ct = (struct ct_data *) h->cl_private; - - *errp = ct->ct_error; -} - -static bool_t clnttcp_freeres(cl, xdr_res, res_ptr) -CLIENT *cl; -xdrproc_t xdr_res; -caddr_t res_ptr; -{ - register struct ct_data *ct = (struct ct_data *) cl->cl_private; - register XDR *xdrs = &(ct->ct_xdrs); - - xdrs->x_op = XDR_FREE; - return ((*xdr_res) (xdrs, res_ptr)); -} - -static void clnttcp_abort() -{ -} - -static bool_t clnttcp_control(cl, request, info) -CLIENT *cl; -int request; -char *info; -{ - register struct ct_data *ct = (struct ct_data *) cl->cl_private; - - switch (request) { - case CLSET_TIMEOUT: - ct->ct_wait = *(struct timeval *) info; - ct->ct_waitset = TRUE; - break; - case CLGET_TIMEOUT: - *(struct timeval *) info = ct->ct_wait; - break; - case CLGET_SERVER_ADDR: - *(struct sockaddr_in *) info = ct->ct_addr; - break; - default: - return (FALSE); - } - return (TRUE); -} - - -static void clnttcp_destroy(h) -CLIENT *h; -{ - register struct ct_data *ct = (struct ct_data *) h->cl_private; - - if (ct->ct_closeit) { - (void) close(ct->ct_sock); - } - XDR_DESTROY(&(ct->ct_xdrs)); - mem_free((caddr_t) ct, sizeof(struct ct_data)); - - mem_free((caddr_t) h, sizeof(CLIENT)); -} - -/* - * Interface between xdr serializer and tcp connection. - * Behaves like the system calls, read & write, but keeps some error state - * around for the rpc level. - */ -static int readtcp(ct, buf, len) -register struct ct_data *ct; -caddr_t buf; -register int len; -{ -#ifdef FD_SETSIZE - fd_set mask; - fd_set readfds; - - if (len == 0) - return (0); - FD_ZERO(&mask); - FD_SET(ct->ct_sock, &mask); -#else - register int mask = 1 << (ct->ct_sock); - int readfds; - - if (len == 0) - return (0); - -#endif /* def FD_SETSIZE */ - while (TRUE) { - readfds = mask; - switch (select - (_rpc_dtablesize(), &readfds, 0, 0, - &(ct->ct_wait))) { - case 0: - ct->ct_error.re_status = RPC_TIMEDOUT; - return (-1); - - case -1: - if (errno == EINTR) - continue; - ct->ct_error.re_status = RPC_CANTRECV; - ct->ct_error.re_errno = errno; - return (-1); - } - break; - } - switch (len = read(ct->ct_sock, buf, len)) { - - case 0: - /* premature eof */ - ct->ct_error.re_errno = ECONNRESET; - ct->ct_error.re_status = RPC_CANTRECV; - len = -1; /* it's really an error */ - break; - - case -1: - ct->ct_error.re_errno = errno; - ct->ct_error.re_status = RPC_CANTRECV; - break; - } - return (len); -} - -static int writetcp(ct, buf, len) -struct ct_data *ct; -caddr_t buf; -int len; -{ - register int i, cnt; - - for (cnt = len; cnt > 0; cnt -= i, buf += i) { - if ((i = write(ct->ct_sock, buf, cnt)) == -1) { - ct->ct_error.re_errno = errno; - ct->ct_error.re_status = RPC_CANTSEND; - return (-1); - } - } - return (len); -} -- cgit v1.2.1