From 64bc6412188b141c010ac3b8e813b837dd991e80 Mon Sep 17 00:00:00 2001 From: Erik Andersen Date: Sun, 14 May 2000 04:16:35 +0000 Subject: Initial revision --- libc/inet/rpc/Makefile | 27 ++ libc/inet/rpc/auth_none.c | 133 ++++++++++ libc/inet/rpc/auth_unix.c | 319 +++++++++++++++++++++++ libc/inet/rpc/authunix_prot.c | 66 +++++ libc/inet/rpc/bindresvport.c | 78 ++++++ libc/inet/rpc/clnt_generic.c | 115 ++++++++ libc/inet/rpc/clnt_perror.c | 310 ++++++++++++++++++++++ libc/inet/rpc/clnt_raw.c | 238 +++++++++++++++++ libc/inet/rpc/clnt_simple.c | 112 ++++++++ libc/inet/rpc/clnt_tcp.c | 466 +++++++++++++++++++++++++++++++++ libc/inet/rpc/clnt_udp.c | 442 +++++++++++++++++++++++++++++++ libc/inet/rpc/get_myaddress.c | 108 ++++++++ libc/inet/rpc/getrpcent.c | 286 ++++++++++++++++++++ libc/inet/rpc/getrpcport.c | 55 ++++ libc/inet/rpc/pmap_clnt.c | 115 ++++++++ libc/inet/rpc/pmap_getmaps.c | 84 ++++++ libc/inet/rpc/pmap_getport.c | 87 +++++++ libc/inet/rpc/pmap_prot.c | 57 ++++ libc/inet/rpc/pmap_prot2.c | 116 +++++++++ libc/inet/rpc/pmap_rmt.c | 408 +++++++++++++++++++++++++++++ libc/inet/rpc/rpc_callmsg.c | 190 ++++++++++++++ libc/inet/rpc/rpc_commondata.c | 41 +++ libc/inet/rpc/rpc_dtablesize.c | 46 ++++ libc/inet/rpc/rpc_prot.c | 289 ++++++++++++++++++++ libc/inet/rpc/svc.c | 492 ++++++++++++++++++++++++++++++++++ libc/inet/rpc/svc_auth.c | 114 ++++++++ libc/inet/rpc/svc_auth_unix.c | 134 ++++++++++ libc/inet/rpc/svc_raw.c | 166 ++++++++++++ libc/inet/rpc/svc_run.c | 72 +++++ libc/inet/rpc/svc_simple.c | 143 ++++++++++ libc/inet/rpc/svc_tcp.c | 421 ++++++++++++++++++++++++++++++ libc/inet/rpc/svc_udp.c | 475 +++++++++++++++++++++++++++++++++ libc/inet/rpc/xdr.c | 576 ++++++++++++++++++++++++++++++++++++++++ libc/inet/rpc/xdr_array.c | 153 +++++++++++ libc/inet/rpc/xdr_float.c | 272 +++++++++++++++++++ libc/inet/rpc/xdr_mem.c | 184 +++++++++++++ libc/inet/rpc/xdr_rec.c | 580 +++++++++++++++++++++++++++++++++++++++++ libc/inet/rpc/xdr_reference.c | 132 ++++++++++ libc/inet/rpc/xdr_stdio.c | 189 ++++++++++++++ 39 files changed, 8291 insertions(+) create mode 100644 libc/inet/rpc/Makefile create mode 100644 libc/inet/rpc/auth_none.c create mode 100644 libc/inet/rpc/auth_unix.c create mode 100644 libc/inet/rpc/authunix_prot.c create mode 100644 libc/inet/rpc/bindresvport.c create mode 100644 libc/inet/rpc/clnt_generic.c create mode 100644 libc/inet/rpc/clnt_perror.c create mode 100644 libc/inet/rpc/clnt_raw.c create mode 100644 libc/inet/rpc/clnt_simple.c create mode 100644 libc/inet/rpc/clnt_tcp.c create mode 100644 libc/inet/rpc/clnt_udp.c create mode 100644 libc/inet/rpc/get_myaddress.c create mode 100644 libc/inet/rpc/getrpcent.c create mode 100644 libc/inet/rpc/getrpcport.c create mode 100644 libc/inet/rpc/pmap_clnt.c create mode 100644 libc/inet/rpc/pmap_getmaps.c create mode 100644 libc/inet/rpc/pmap_getport.c create mode 100644 libc/inet/rpc/pmap_prot.c create mode 100644 libc/inet/rpc/pmap_prot2.c create mode 100644 libc/inet/rpc/pmap_rmt.c create mode 100644 libc/inet/rpc/rpc_callmsg.c create mode 100644 libc/inet/rpc/rpc_commondata.c create mode 100644 libc/inet/rpc/rpc_dtablesize.c create mode 100644 libc/inet/rpc/rpc_prot.c create mode 100644 libc/inet/rpc/svc.c create mode 100644 libc/inet/rpc/svc_auth.c create mode 100644 libc/inet/rpc/svc_auth_unix.c create mode 100644 libc/inet/rpc/svc_raw.c create mode 100644 libc/inet/rpc/svc_run.c create mode 100644 libc/inet/rpc/svc_simple.c create mode 100644 libc/inet/rpc/svc_tcp.c create mode 100644 libc/inet/rpc/svc_udp.c create mode 100644 libc/inet/rpc/xdr.c create mode 100644 libc/inet/rpc/xdr_array.c create mode 100644 libc/inet/rpc/xdr_float.c create mode 100644 libc/inet/rpc/xdr_mem.c create mode 100644 libc/inet/rpc/xdr_rec.c create mode 100644 libc/inet/rpc/xdr_reference.c create mode 100644 libc/inet/rpc/xdr_stdio.c (limited to 'libc/inet/rpc') diff --git a/libc/inet/rpc/Makefile b/libc/inet/rpc/Makefile new file mode 100644 index 000000000..388434165 --- /dev/null +++ b/libc/inet/rpc/Makefile @@ -0,0 +1,27 @@ +CC=m68k-pic-coff-gcc +AR=m68k-pic-coff-ar +RANLIB=m68k-pic-coff-ranlib + +CFLAGS= -O2 -fomit-frame-pointer -Dlinux -I../include + +OBJS = auth_none.o auth_unix.o authunix_prot.o \ + bindresvport.o clnt_generic.o clnt_perror.o \ + clnt_raw.o clnt_simple.o clnt_tcp.o clnt_udp.o \ + get_myaddress.o getrpcent.o getrpcport.o pmap_clnt.o \ + pmap_getmaps.o pmap_getport.o pmap_prot.o pmap_prot2.o \ + pmap_rmt.o rpc_callmsg.o rpc_commondata.o \ + rpc_dtablesize.o rpc_prot.o svc.o svc_auth.o \ + svc_auth_unix.o svc_raw.o svc_run.o svc_simple.o \ + svc_tcp.o svc_udp.o xdr.o xdr_array.o xdr_float.o \ + xdr_mem.o xdr_rec.o xdr_reference.o xdr_stdio.o + +LIBC = ../libc.a + +all: $(LIBC) + +$(LIBC): $(LIBC)($(OBJS)) + +clean: + rm -f *.[oa] *~ core + + diff --git a/libc/inet/rpc/auth_none.c b/libc/inet/rpc/auth_none.c new file mode 100644 index 000000000..630037fb4 --- /dev/null +++ b/libc/inet/rpc/auth_none.c @@ -0,0 +1,133 @@ +/* @(#)auth_none.c 2.1 88/07/29 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[] = "@(#)auth_none.c 1.19 87/08/11 Copyr 1984 Sun Micro"; +#endif + +/* + * auth_none.c + * Creates a client authentication handle for passing "null" + * credentials and verifiers to remote systems. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + +#include +#include +#include +#define MAX_MARSHEL_SIZE 20 + +/* + * Authenticator operations routines + */ +static void authnone_verf(); +static void authnone_destroy(); +static bool_t authnone_marshal(); +static bool_t authnone_validate(); +static bool_t authnone_refresh(); + +static struct auth_ops ops = { + authnone_verf, + authnone_marshal, + authnone_validate, + authnone_refresh, + authnone_destroy +}; + +static struct authnone_private { + AUTH no_client; + char marshalled_client[MAX_MARSHEL_SIZE]; + u_int mcnt; +} *authnone_private; + +AUTH * +authnone_create() +{ + register struct authnone_private *ap = authnone_private; + XDR xdr_stream; + register XDR *xdrs; + + if (ap == 0) { + ap = (struct authnone_private *)calloc(1, sizeof (*ap)); + if (ap == 0) + return (0); + authnone_private = ap; + } + if (!ap->mcnt) { + ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth; + ap->no_client.ah_ops = &ops; + xdrs = &xdr_stream; + xdrmem_create(xdrs, ap->marshalled_client, (u_int)MAX_MARSHEL_SIZE, + XDR_ENCODE); + (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_cred); + (void)xdr_opaque_auth(xdrs, &ap->no_client.ah_verf); + ap->mcnt = XDR_GETPOS(xdrs); + XDR_DESTROY(xdrs); + } + return (&ap->no_client); +} + +/*ARGSUSED*/ +static bool_t +authnone_marshal(client, xdrs) + AUTH *client; + XDR *xdrs; +{ + register struct authnone_private *ap = authnone_private; + + if (ap == 0) + return (0); + return ((*xdrs->x_ops->x_putbytes)(xdrs, + ap->marshalled_client, ap->mcnt)); +} + +static void +authnone_verf() +{ +} + +static bool_t +authnone_validate() +{ + + return (TRUE); +} + +static bool_t +authnone_refresh() +{ + + return (FALSE); +} + +static void +authnone_destroy() +{ +} diff --git a/libc/inet/rpc/auth_unix.c b/libc/inet/rpc/auth_unix.c new file mode 100644 index 000000000..87ff2b648 --- /dev/null +++ b/libc/inet/rpc/auth_unix.c @@ -0,0 +1,319 @@ +/* @(#)auth_unix.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[] = "@(#)auth_unix.c 1.19 87/08/11 Copyr 1984 Sun Micro"; +#endif + +/* + * auth_unix.c, Implements UNIX style authentication parameters. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + * + * The system is very weak. The client uses no encryption for it's + * credentials and only sends null verifiers. The server sends backs + * null verifiers or optionally a verifier that suggests a new short hand + * for the credentials. + * + */ + +#include + +#include +#include +#include +#include + +/* + * Unix authenticator operations vector + */ +static void authunix_nextverf(); +static bool_t authunix_marshal(); +static bool_t authunix_validate(); +static bool_t authunix_refresh(); +static void authunix_destroy(); + +static struct auth_ops auth_unix_ops = { + authunix_nextverf, + authunix_marshal, + authunix_validate, + authunix_refresh, + authunix_destroy +}; + +/* + * This struct is pointed to by the ah_private field of an auth_handle. + */ +struct audata { + struct opaque_auth au_origcred; /* original credentials */ + struct opaque_auth au_shcred; /* short hand cred */ + u_long au_shfaults; /* short hand cache faults */ + char au_marshed[MAX_AUTH_BYTES]; + u_int au_mpos; /* xdr pos at end of marshed */ +}; +#define AUTH_PRIVATE(auth) ((struct audata *)auth->ah_private) + +static bool_t marshal_new_auth(); + + +/* + * Create a unix style authenticator. + * Returns an auth handle with the given stuff in it. + */ +AUTH * +authunix_create(machname, uid, gid, len, aup_gids) + char *machname; + int uid; + int gid; + register int len; + int *aup_gids; +{ + struct authunix_parms aup; + char mymem[MAX_AUTH_BYTES]; + struct timeval now; + XDR xdrs; + register AUTH *auth; + register struct audata *au; + + /* + * Allocate and set up auth handle + */ + auth = (AUTH *)mem_alloc(sizeof(*auth)); +#ifndef KERNEL + if (auth == NULL) { + (void)fprintf(stderr, "authunix_create: out of memory\n"); + return (NULL); + } +#endif + au = (struct audata *)mem_alloc(sizeof(*au)); +#ifndef KERNEL + if (au == NULL) { + (void)fprintf(stderr, "authunix_create: out of memory\n"); + return (NULL); + } +#endif + auth->ah_ops = &auth_unix_ops; + auth->ah_private = (caddr_t)au; + auth->ah_verf = au->au_shcred = _null_auth; + au->au_shfaults = 0; + + /* + * fill in param struct from the given params + */ + (void)gettimeofday(&now, (struct timezone *)0); + aup.aup_time = now.tv_sec; + aup.aup_machname = machname; + aup.aup_uid = uid; + aup.aup_gid = gid; + aup.aup_len = (u_int)len; + aup.aup_gids = aup_gids; + + /* + * Serialize the parameters into origcred + */ + xdrmem_create(&xdrs, mymem, MAX_AUTH_BYTES, XDR_ENCODE); + if (! xdr_authunix_parms(&xdrs, &aup)) + abort(); + au->au_origcred.oa_length = len = XDR_GETPOS(&xdrs); + au->au_origcred.oa_flavor = AUTH_UNIX; +#ifdef KERNEL + au->au_origcred.oa_base = mem_alloc((u_int) len); +#else + if ((au->au_origcred.oa_base = mem_alloc((u_int) len)) == NULL) { + (void)fprintf(stderr, "authunix_create: out of memory\n"); + return (NULL); + } +#endif + bcopy(mymem, au->au_origcred.oa_base, (u_int)len); + + /* + * set auth handle to reflect new cred. + */ + auth->ah_cred = au->au_origcred; + marshal_new_auth(auth); + return (auth); +} + +/* + * Returns an auth handle with parameters determined by doing lots of + * syscalls. + */ +AUTH * +authunix_create_default() +{ + register int len; + char machname[MAX_MACHINE_NAME + 1]; + register int uid; + register int gid; + int gids[NGRPS]; + + if (gethostname(machname, MAX_MACHINE_NAME) == -1) + abort(); + machname[MAX_MACHINE_NAME] = 0; + uid = geteuid(); + gid = getegid(); + if ((len = getgroups(NGRPS, gids)) < 0) + abort(); + return (authunix_create(machname, uid, gid, len, gids)); +} + +/* + * authunix operations + */ + +static void +authunix_nextverf(auth) + AUTH *auth; +{ + /* no action necessary */ +} + +static bool_t +authunix_marshal(auth, xdrs) + AUTH *auth; + XDR *xdrs; +{ + register struct audata *au = AUTH_PRIVATE(auth); + + return (XDR_PUTBYTES(xdrs, au->au_marshed, au->au_mpos)); +} + +static bool_t +authunix_validate(auth, verf) + register AUTH *auth; + struct opaque_auth verf; +{ + register struct audata *au; + XDR xdrs; + + if (verf.oa_flavor == AUTH_SHORT) { + au = AUTH_PRIVATE(auth); + xdrmem_create(&xdrs, verf.oa_base, verf.oa_length, XDR_DECODE); + + if (au->au_shcred.oa_base != NULL) { + mem_free(au->au_shcred.oa_base, + au->au_shcred.oa_length); + au->au_shcred.oa_base = NULL; + } + if (xdr_opaque_auth(&xdrs, &au->au_shcred)) { + auth->ah_cred = au->au_shcred; + } else { + xdrs.x_op = XDR_FREE; + (void)xdr_opaque_auth(&xdrs, &au->au_shcred); + au->au_shcred.oa_base = NULL; + auth->ah_cred = au->au_origcred; + } + marshal_new_auth(auth); + } + return (TRUE); +} + +static bool_t +authunix_refresh(auth) + register AUTH *auth; +{ + register struct audata *au = AUTH_PRIVATE(auth); + struct authunix_parms aup; + struct timeval now; + XDR xdrs; + register int stat; + + if (auth->ah_cred.oa_base == au->au_origcred.oa_base) { + /* there is no hope. Punt */ + return (FALSE); + } + au->au_shfaults ++; + + /* first deserialize the creds back into a struct authunix_parms */ + aup.aup_machname = NULL; + aup.aup_gids = (int *)NULL; + xdrmem_create(&xdrs, au->au_origcred.oa_base, + au->au_origcred.oa_length, XDR_DECODE); + stat = xdr_authunix_parms(&xdrs, &aup); + if (! stat) + goto done; + + /* update the time and serialize in place */ + (void)gettimeofday(&now, (struct timezone *)0); + aup.aup_time = now.tv_sec; + xdrs.x_op = XDR_ENCODE; + XDR_SETPOS(&xdrs, 0); + stat = xdr_authunix_parms(&xdrs, &aup); + if (! stat) + goto done; + auth->ah_cred = au->au_origcred; + marshal_new_auth(auth); +done: + /* free the struct authunix_parms created by deserializing */ + xdrs.x_op = XDR_FREE; + (void)xdr_authunix_parms(&xdrs, &aup); + XDR_DESTROY(&xdrs); + return (stat); +} + +static void +authunix_destroy(auth) + register AUTH *auth; +{ + register struct audata *au = AUTH_PRIVATE(auth); + + mem_free(au->au_origcred.oa_base, au->au_origcred.oa_length); + + if (au->au_shcred.oa_base != NULL) + mem_free(au->au_shcred.oa_base, au->au_shcred.oa_length); + + mem_free(auth->ah_private, sizeof(struct audata)); + + if (auth->ah_verf.oa_base != NULL) + mem_free(auth->ah_verf.oa_base, auth->ah_verf.oa_length); + + mem_free((caddr_t)auth, sizeof(*auth)); +} + +/* + * Marshals (pre-serializes) an auth struct. + * sets private data, au_marshed and au_mpos + */ +static bool_t +marshal_new_auth(auth) + register AUTH *auth; +{ + XDR xdr_stream; + register XDR *xdrs = &xdr_stream; + register struct audata *au = AUTH_PRIVATE(auth); + + xdrmem_create(xdrs, au->au_marshed, MAX_AUTH_BYTES, XDR_ENCODE); + if ((! xdr_opaque_auth(xdrs, &(auth->ah_cred))) || + (! xdr_opaque_auth(xdrs, &(auth->ah_verf)))) { + perror("auth_none.c - Fatal marshalling problem"); + } else { + au->au_mpos = XDR_GETPOS(xdrs); + } + XDR_DESTROY(xdrs); +} diff --git a/libc/inet/rpc/authunix_prot.c b/libc/inet/rpc/authunix_prot.c new file mode 100644 index 000000000..a60d99a57 --- /dev/null +++ b/libc/inet/rpc/authunix_prot.c @@ -0,0 +1,66 @@ +/* @(#)authunix_prot.c 2.1 88/07/29 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[] = "@(#)authunix_prot.c 1.15 87/08/11 Copyr 1984 Sun Micro"; +#endif + +/* + * authunix_prot.c + * XDR for UNIX style authentication parameters for RPC + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + + +#include +#include +#include +#include + +/* + * XDR for unix authentication parameters. + */ +bool_t +xdr_authunix_parms(xdrs, p) + register XDR *xdrs; + register struct authunix_parms *p; +{ + + if (xdr_u_long(xdrs, &(p->aup_time)) + && xdr_string(xdrs, &(p->aup_machname), MAX_MACHINE_NAME) + && xdr_int(xdrs, &(p->aup_uid)) + && xdr_int(xdrs, &(p->aup_gid)) + && xdr_array(xdrs, (caddr_t *)&(p->aup_gids), + &(p->aup_len), NGRPS, sizeof(int), xdr_int) ) { + return (TRUE); + } + return (FALSE); +} + diff --git a/libc/inet/rpc/bindresvport.c b/libc/inet/rpc/bindresvport.c new file mode 100644 index 000000000..71803dd41 --- /dev/null +++ b/libc/inet/rpc/bindresvport.c @@ -0,0 +1,78 @@ +static char sccsid[] = "@(#)bindresvport.c 2.2 88/07/29 4.0 RPCSRC 1.8 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 + */ + +/* + * Copyright (c) 1987 by Sun Microsystems, Inc. + */ + +#include +#include +#include +#include + +/* + * Bind a socket to a privileged IP port + */ +bindresvport(sd, sin) + int sd; + struct sockaddr_in *sin; +{ + int res; + static short port; + struct sockaddr_in myaddr; + extern int errno; + int i; + +#define STARTPORT 600 +#define ENDPORT (IPPORT_RESERVED - 1) +#define NPORTS (ENDPORT - STARTPORT + 1) + + if (sin == (struct sockaddr_in *)0) { + sin = &myaddr; + bzero(sin, sizeof (*sin)); + sin->sin_family = AF_INET; + } else if (sin->sin_family != AF_INET) { + errno = EPFNOSUPPORT; + return (-1); + } + if (port == 0) { + port = (getpid() % NPORTS) + STARTPORT; + } + res = -1; + errno = EADDRINUSE; + for (i = 0; i < NPORTS && res < 0 && errno == EADDRINUSE; i++) { + sin->sin_port = htons(port++); + if (port > ENDPORT) { + port = STARTPORT; + } + res = bind(sd, sin, sizeof(struct sockaddr_in)); + } + return (res); +} diff --git a/libc/inet/rpc/clnt_generic.c b/libc/inet/rpc/clnt_generic.c new file mode 100644 index 000000000..9124ccf16 --- /dev/null +++ b/libc/inet/rpc/clnt_generic.c @@ -0,0 +1,115 @@ +/* @(#)clnt_generic.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_generic.c 1.4 87/08/11 (C) 1987 SMI"; +#endif +/* + * Copyright (C) 1987, Sun Microsystems, Inc. + */ +#include +#include +#include +#include + +/* + * Generic client creation: takes (hostname, program-number, protocol) and + * returns client handle. Default options are set, which the user can + * change using the rpc equivalent of ioctl()'s. + */ +CLIENT * +clnt_create(hostname, prog, vers, proto) + char *hostname; + unsigned prog; + unsigned vers; + char *proto; +{ + struct hostent *h; + struct protoent *p; + struct sockaddr_in sin; + int sock; + struct timeval tv; + CLIENT *client; + + h = gethostbyname(hostname); + if (h == NULL) { + rpc_createerr.cf_stat = RPC_UNKNOWNHOST; + return (NULL); + } + if (h->h_addrtype != AF_INET) { + /* + * Only support INET for now + */ + rpc_createerr.cf_stat = RPC_SYSTEMERROR; + rpc_createerr.cf_error.re_errno = EAFNOSUPPORT; + return (NULL); + } +#ifdef linux + bzero((char *) &sin, sizeof(sin)); +#endif + sin.sin_family = h->h_addrtype; + sin.sin_port = 0; +#ifndef linux + bzero(sin.sin_zero, sizeof(sin.sin_zero)); +#endif + bcopy(h->h_addr, (char*)&sin.sin_addr, h->h_length); + p = getprotobyname(proto); + if (p == NULL) { + rpc_createerr.cf_stat = RPC_UNKNOWNPROTO; + rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; + return (NULL); + } + sock = RPC_ANYSOCK; + switch (p->p_proto) { + case IPPROTO_UDP: + tv.tv_sec = 5; + tv.tv_usec = 0; + client = clntudp_create(&sin, prog, vers, tv, &sock); + if (client == NULL) { + return (NULL); + } + tv.tv_sec = 25; + clnt_control(client, CLSET_TIMEOUT, &tv); + break; + case IPPROTO_TCP: + client = clnttcp_create(&sin, prog, vers, &sock, 0, 0); + if (client == NULL) { + return (NULL); + } + tv.tv_sec = 25; + tv.tv_usec = 0; + clnt_control(client, CLSET_TIMEOUT, &tv); + break; + default: + rpc_createerr.cf_stat = RPC_SYSTEMERROR; + rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; + return (NULL); + } + return (client); +} diff --git a/libc/inet/rpc/clnt_perror.c b/libc/inet/rpc/clnt_perror.c new file mode 100644 index 000000000..80f51aa79 --- /dev/null +++ b/libc/inet/rpc/clnt_perror.c @@ -0,0 +1,310 @@ +/* @(#)clnt_perror.c 2.1 88/07/29 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_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro"; +#endif + +/* + * clnt_perror.c + * + * Copyright (C) 1984, Sun Microsystems, Inc. + * + */ +#include + +#include +#include +#include + +extern char *sys_errlist[]; +static char *auth_errmsg(); + +extern char *strcpy(); + +static char *buf; + +static char * +_buf() +{ + + if (buf == 0) + buf = (char *)malloc(256); + return (buf); +} + +/* + * Print reply error info + */ +char * +clnt_sperror(rpch, s) + CLIENT *rpch; + char *s; +{ +#if 0 + struct rpc_err e; + void clnt_perrno(); + char *err; + char *str = _buf(); + char *strstart = str; + + if (str == 0) + return (0); + CLNT_GETERR(rpch, &e); + + (void) sprintf(str, "%s: ", s); + str += strlen(str); + + (void) strcpy(str, clnt_sperrno(e.re_status)); + str += strlen(str); + + switch (e.re_status) { + case RPC_SUCCESS: + case RPC_CANTENCODEARGS: + case RPC_CANTDECODERES: + case RPC_TIMEDOUT: + case RPC_PROGUNAVAIL: + case RPC_PROCUNAVAIL: + case RPC_CANTDECODEARGS: + case RPC_SYSTEMERROR: + case RPC_UNKNOWNHOST: + case RPC_UNKNOWNPROTO: + case RPC_PMAPFAILURE: + case RPC_PROGNOTREGISTERED: + case RPC_FAILED: + break; + + case RPC_CANTSEND: + case RPC_CANTRECV: + (void) sprintf(str, "; errno = %s", + sys_errlist[e.re_errno]); + str += strlen(str); + break; + + case RPC_VERSMISMATCH: + (void) sprintf(str, + "; low version = %lu, high version = %lu", + e.re_vers.low, e.re_vers.high); + str += strlen(str); + break; + + case RPC_AUTHERROR: + err = auth_errmsg(e.re_why); + (void) sprintf(str,"; why = "); + str += strlen(str); + if (err != NULL) { + (void) sprintf(str, "%s",err); + } else { + (void) sprintf(str, + "(unknown authentication error - %d)", + (int) e.re_why); + } + str += strlen(str); + break; + + case RPC_PROGVERSMISMATCH: + (void) sprintf(str, + "; low version = %lu, high version = %lu", + e.re_vers.low, e.re_vers.high); + str += strlen(str); + break; + + default: /* unknown */ + (void) sprintf(str, + "; s1 = %lu, s2 = %lu", + e.re_lb.s1, e.re_lb.s2); + str += strlen(str); + break; + } + (void) sprintf(str, "\n"); + return(strstart) ; +#endif +} + +void +clnt_perror(rpch, s) + CLIENT *rpch; + char *s; +{ + (void) fprintf(stderr,"%s",clnt_sperror(rpch,s)); +} + + +struct rpc_errtab { + enum clnt_stat status; + char *message; +}; +#if 0 +static struct rpc_errtab rpc_errlist[] = { + { RPC_SUCCESS, + "RPC: Success" }, + { RPC_CANTENCODEARGS, + "RPC: Can't encode arguments" }, + { RPC_CANTDECODERES, + "RPC: Can't decode result" }, + { RPC_CANTSEND, + "RPC: Unable to send" }, + { RPC_CANTRECV, + "RPC: Unable to receive" }, + { RPC_TIMEDOUT, + "RPC: Timed out" }, + { RPC_VERSMISMATCH, + "RPC: Incompatible versions of RPC" }, + { RPC_AUTHERROR, + "RPC: Authentication error" }, + { RPC_PROGUNAVAIL, + "RPC: Program unavailable" }, + { RPC_PROGVERSMISMATCH, + "RPC: Program/version mismatch" }, + { RPC_PROCUNAVAIL, + "RPC: Procedure unavailable" }, + { RPC_CANTDECODEARGS, + "RPC: Server can't decode arguments" }, + { RPC_SYSTEMERROR, + "RPC: Remote system error" }, + { RPC_UNKNOWNHOST, + "RPC: Unknown host" }, + { RPC_UNKNOWNPROTO, + "RPC: Unknown protocol" }, + { RPC_PMAPFAILURE, + "RPC: Port mapper failure" }, + { RPC_PROGNOTREGISTERED, + "RPC: Program not registered"}, + { RPC_FAILED, + "RPC: Failed (unspecified error)"} +}; +#endif + +/* + * This interface for use by clntrpc + */ +char * +clnt_sperrno(stat) + enum clnt_stat stat; +{ +#if 0 + int i; + + for (i = 0; i < sizeof(rpc_errlist)/sizeof(struct rpc_errtab); i++) { + if (rpc_errlist[i].status == stat) { + return (rpc_errlist[i].message); + } + } +#endif + return ("RPC: (unknown error code)"); +} + +void +clnt_perrno(num) + enum clnt_stat num; +{ + (void) fprintf(stderr,"%s",clnt_sperrno(num)); +} + + +char * +clnt_spcreateerror(s) + char *s; +{ +#if 0 + extern int sys_nerr; + extern char *sys_errlist[]; + char *str = _buf(); + + if (str == 0) + return(0); + (void) sprintf(str, "%s: ", s); + (void) strcat(str, clnt_sperrno(rpc_createerr.cf_stat)); + switch (rpc_createerr.cf_stat) { + case RPC_PMAPFAILURE: + (void) strcat(str, " - "); + (void) strcat(str, + clnt_sperrno(rpc_createerr.cf_error.re_status)); + break; + + case RPC_SYSTEMERROR: + (void) strcat(str, " - "); + if (rpc_createerr.cf_error.re_errno > 0 + && rpc_createerr.cf_error.re_errno < sys_nerr) + (void) strcat(str, + sys_errlist[rpc_createerr.cf_error.re_errno]); + else + (void) sprintf(&str[strlen(str)], "Error %d", + rpc_createerr.cf_error.re_errno); + break; + } + (void) strcat(str, "\n"); + return (str); +#endif +} + +void +clnt_pcreateerror(s) + char *s; +{ + (void) fprintf(stderr,"%s",clnt_spcreateerror(s)); +} + +struct auth_errtab { + enum auth_stat status; + char *message; +}; + +static struct auth_errtab auth_errlist[] = { + { AUTH_OK, + "Authentication OK" }, + { AUTH_BADCRED, + "Invalid client credential" }, + { AUTH_REJECTEDCRED, + "Server rejected credential" }, + { AUTH_BADVERF, + "Invalid client verifier" }, + { AUTH_REJECTEDVERF, + "Server rejected verifier" }, + { AUTH_TOOWEAK, + "Client credential too weak" }, + { AUTH_INVALIDRESP, + "Invalid server verifier" }, + { AUTH_FAILED, + "Failed (unspecified error)" }, +}; + +static char * +auth_errmsg(stat) + enum auth_stat stat; +{ + int i; + + for (i = 0; i < sizeof(auth_errlist)/sizeof(struct auth_errtab); i++) { + if (auth_errlist[i].status == stat) { + return(auth_errlist[i].message); + } + } + return(NULL); +} diff --git a/libc/inet/rpc/clnt_raw.c b/libc/inet/rpc/clnt_raw.c new file mode 100644 index 000000000..89059ae2d --- /dev/null +++ b/libc/inet/rpc/clnt_raw.c @@ -0,0 +1,238 @@ +/* @(#)clnt_raw.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_raw.c 1.22 87/08/11 Copyr 1984 Sun Micro"; +#endif + +/* + * clnt_raw.c + * + * Copyright (C) 1984, Sun Microsystems, Inc. + * + * Memory based rpc for simple testing and timing. + * Interface to create an rpc client and server in the same process. + * This lets us similate rpc and get round trip overhead, without + * any interference from the kernal. + */ + +#include + +#define MCALL_MSG_SIZE 24 + +/* + * This is the "network" we will be moving stuff over. + */ +static struct clntraw_private { + CLIENT client_object; + XDR xdr_stream; + char _raw_buf[UDPMSGSIZE]; + char mashl_callmsg[MCALL_MSG_SIZE]; + u_int mcnt; +} *clntraw_private; + +static enum clnt_stat clntraw_call(); +static void clntraw_abort(); +static void clntraw_geterr(); +static bool_t clntraw_freeres(); +static bool_t clntraw_control(); +static void clntraw_destroy(); + +static struct clnt_ops client_ops = { + clntraw_call, + clntraw_abort, + clntraw_geterr, + clntraw_freeres, + clntraw_destroy, + clntraw_control +}; + +void svc_getreq(); + +/* + * Create a client handle for memory based rpc. + */ +CLIENT * +clntraw_create(prog, vers) + u_long prog; + u_long vers; +{ + register struct clntraw_private *clp = clntraw_private; + struct rpc_msg call_msg; + XDR *xdrs = &clp->xdr_stream; + CLIENT *client = &clp->client_object; + + if (clp == 0) { + clp = (struct clntraw_private *)calloc(1, sizeof (*clp)); + if (clp == 0) + return (0); + clntraw_private = clp; + } + /* + * pre-serialize the staic part of the call msg and stash it away + */ + 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; + xdrmem_create(xdrs, clp->mashl_callmsg, MCALL_MSG_SIZE, XDR_ENCODE); + if (! xdr_callhdr(xdrs, &call_msg)) { + perror("clnt_raw.c - Fatal header serialization error."); + } + clp->mcnt = XDR_GETPOS(xdrs); + XDR_DESTROY(xdrs); + + /* + * Set xdrmem for client/server shared buffer + */ + xdrmem_create(xdrs, clp->_raw_buf, UDPMSGSIZE, XDR_FREE); + + /* + * create client handle + */ + client->cl_ops = &client_ops; + client->cl_auth = authnone_create(); + return (client); +} + +static enum clnt_stat +clntraw_call(h, proc, xargs, argsp, xresults, resultsp, timeout) + CLIENT *h; + u_long proc; + xdrproc_t xargs; + caddr_t argsp; + xdrproc_t xresults; + caddr_t resultsp; + struct timeval timeout; +{ + register struct clntraw_private *clp = clntraw_private; + register XDR *xdrs = &clp->xdr_stream; + struct rpc_msg msg; + enum clnt_stat status; + struct rpc_err error; + + if (clp == 0) + return (RPC_FAILED); +call_again: + /* + * send request + */ + xdrs->x_op = XDR_ENCODE; + XDR_SETPOS(xdrs, 0); + ((struct rpc_msg *)clp->mashl_callmsg)->rm_xid ++ ; + if ((! XDR_PUTBYTES(xdrs, clp->mashl_callmsg, clp->mcnt)) || + (! XDR_PUTLONG(xdrs, (long *)&proc)) || + (! AUTH_MARSHALL(h->cl_auth, xdrs)) || + (! (*xargs)(xdrs, argsp))) { + return (RPC_CANTENCODEARGS); + } + (void)XDR_GETPOS(xdrs); /* called just to cause overhead */ + + /* + * We have to call server input routine here because this is + * all going on in one process. Yuk. + */ + svc_getreq(1); + + /* + * get results + */ + xdrs->x_op = XDR_DECODE; + XDR_SETPOS(xdrs, 0); + msg.acpted_rply.ar_verf = _null_auth; + msg.acpted_rply.ar_results.where = resultsp; + msg.acpted_rply.ar_results.proc = xresults; + if (! xdr_replymsg(xdrs, &msg)) + return (RPC_CANTDECODERES); + _seterr_reply(&msg, &error); + status = error.re_status; + + if (status == RPC_SUCCESS) { + if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) { + status = RPC_AUTHERROR; + } + } /* end successful completion */ + else { + if (AUTH_REFRESH(h->cl_auth)) + goto call_again; + } /* end of unsuccessful completion */ + + if (status == RPC_SUCCESS) { + if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) { + status = RPC_AUTHERROR; + } + if (msg.acpted_rply.ar_verf.oa_base != NULL) { + xdrs->x_op = XDR_FREE; + (void)xdr_opaque_auth(xdrs, &(msg.acpted_rply.ar_verf)); + } + } + + return (status); +} + +static void +clntraw_geterr() +{ +} + + +static bool_t +clntraw_freeres(cl, xdr_res, res_ptr) + CLIENT *cl; + xdrproc_t xdr_res; + caddr_t res_ptr; +{ + register struct clntraw_private *clp = clntraw_private; + register XDR *xdrs = &clp->xdr_stream; + bool_t rval; + + if (clp == 0) + { + rval = (bool_t) RPC_FAILED; + return (rval); + } + xdrs->x_op = XDR_FREE; + return ((*xdr_res)(xdrs, res_ptr)); +} + +static void +clntraw_abort() +{ +} + +static bool_t +clntraw_control() +{ + return (FALSE); +} + +static void +clntraw_destroy() +{ +} diff --git a/libc/inet/rpc/clnt_simple.c b/libc/inet/rpc/clnt_simple.c new file mode 100644 index 000000000..043ce0a3e --- /dev/null +++ b/libc/inet/rpc/clnt_simple.c @@ -0,0 +1,112 @@ +/* @(#)clnt_simple.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_simple.c 1.35 87/08/11 Copyr 1984 Sun Micro"; +#endif + +/* + * clnt_simple.c + * Simplified front end to rpc. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + +#include +#include +#include +#include +#include + +static struct callrpc_private { + CLIENT *client; + int socket; + int oldprognum, oldversnum, valid; + char *oldhost; +} *callrpc_private; + +callrpc(host, prognum, versnum, procnum, inproc, in, outproc, out) + char *host; + xdrproc_t inproc, outproc; + char *in, *out; +{ + register struct callrpc_private *crp = callrpc_private; + struct sockaddr_in server_addr; + enum clnt_stat clnt_stat; + struct hostent *hp; + struct timeval timeout, tottimeout; + + if (crp == 0) { + crp = (struct callrpc_private *)calloc(1, sizeof (*crp)); + if (crp == 0) + return (0); + callrpc_private = crp; + } + if (crp->oldhost == NULL) { + crp->oldhost = malloc(256); + crp->oldhost[0] = 0; + crp->socket = RPC_ANYSOCK; + } + if (crp->valid && crp->oldprognum == prognum && crp->oldversnum == versnum + && strcmp(crp->oldhost, host) == 0) { + /* reuse old client */ + } else { + crp->valid = 0; + (void)close(crp->socket); + crp->socket = RPC_ANYSOCK; + if (crp->client) { + clnt_destroy(crp->client); + crp->client = NULL; + } + if ((hp = gethostbyname(host)) == NULL) + return ((int) RPC_UNKNOWNHOST); + timeout.tv_usec = 0; + timeout.tv_sec = 5; + bcopy(hp->h_addr, (char *)&server_addr.sin_addr, hp->h_length); + server_addr.sin_family = AF_INET; + server_addr.sin_port = 0; + if ((crp->client = clntudp_create(&server_addr, (u_long)prognum, + (u_long)versnum, timeout, &crp->socket)) == NULL) + return ((int) rpc_createerr.cf_stat); + crp->valid = 1; + crp->oldprognum = prognum; + crp->oldversnum = versnum; + (void) strcpy(crp->oldhost, host); + } + tottimeout.tv_sec = 25; + tottimeout.tv_usec = 0; + clnt_stat = clnt_call(crp->client, procnum, inproc, in, + outproc, out, tottimeout); + /* + * if call failed, empty cache + */ + if (clnt_stat != RPC_SUCCESS) + crp->valid = 0; + return ((int) clnt_stat); +} diff --git a/libc/inet/rpc/clnt_tcp.c b/libc/inet/rpc/clnt_tcp.c new file mode 100644 index 000000000..2222bc657 --- /dev/null +++ b/libc/inet/rpc/clnt_tcp.c @@ -0,0 +1,466 @@ +/* @(#)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 + +#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 = 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, (int*)NULL, (int*)NULL, + &(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); +} diff --git a/libc/inet/rpc/clnt_udp.c b/libc/inet/rpc/clnt_udp.c new file mode 100644 index 000000000..815cbb4ed --- /dev/null +++ b/libc/inet/rpc/clnt_udp.c @@ -0,0 +1,442 @@ +/* @(#)clnt_udp.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_udp.c 1.39 87/08/11 Copyr 1984 Sun Micro"; +#endif + +/* + * clnt_udp.c, Implements a UDP/IP based, client side RPC. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + +#include +#include +#include +#include +#include +#include +#include + +extern int errno; + +/* + * UDP bases client side rpc operations + */ +static enum clnt_stat clntudp_call(); +static void clntudp_abort(); +static void clntudp_geterr(); +static bool_t clntudp_freeres(); +static bool_t clntudp_control(); +static void clntudp_destroy(); + +static struct clnt_ops udp_ops = { + clntudp_call, + clntudp_abort, + clntudp_geterr, + clntudp_freeres, + clntudp_destroy, + clntudp_control +}; + +/* + * Private data kept per client handle + */ +struct cu_data { + int cu_sock; + bool_t cu_closeit; + struct sockaddr_in cu_raddr; + int cu_rlen; + struct timeval cu_wait; + struct timeval cu_total; + struct rpc_err cu_error; + XDR cu_outxdrs; + u_int cu_xdrpos; + u_int cu_sendsz; + char *cu_outbuf; + u_int cu_recvsz; + char cu_inbuf[1]; +}; + +/* + * Create a UDP based client handle. + * If *sockp<0, *sockp is set to a newly created UPD socket. + * If raddr->sin_port is 0 a binder on the remote machine + * is consulted for the correct port number. + * NB: It is the clients responsibility to close *sockp. + * NB: The rpch->cl_auth is initialized to null authentication. + * Caller may wish to set this something more useful. + * + * wait is the amount of time used between retransmitting a call if + * no response has been heard; retransmition occurs until the actual + * rpc call times out. + * + * sendsz and recvsz are the maximum allowable packet sizes that can be + * sent and received. + */ +CLIENT * +clntudp_bufcreate(raddr, program, version, wait, sockp, sendsz, recvsz) + struct sockaddr_in *raddr; + u_long program; + u_long version; + struct timeval wait; + register int *sockp; + u_int sendsz; + u_int recvsz; +{ + CLIENT *cl; + register struct cu_data *cu; + struct timeval now; + struct rpc_msg call_msg; + + cl = (CLIENT *)mem_alloc(sizeof(CLIENT)); + if (cl == NULL) { + (void) fprintf(stderr, "clntudp_create: out of memory\n"); + rpc_createerr.cf_stat = RPC_SYSTEMERROR; + rpc_createerr.cf_error.re_errno = errno; + goto fooy; + } + sendsz = ((sendsz + 3) / 4) * 4; + recvsz = ((recvsz + 3) / 4) * 4; + cu = (struct cu_data *)mem_alloc(sizeof(*cu) + sendsz + recvsz); + if (cu == NULL) { + (void) fprintf(stderr, "clntudp_create: out of memory\n"); + rpc_createerr.cf_stat = RPC_SYSTEMERROR; + rpc_createerr.cf_error.re_errno = errno; + goto fooy; + } + cu->cu_outbuf = &cu->cu_inbuf[recvsz]; + + (void)gettimeofday(&now, (struct timezone *)0); + if (raddr->sin_port == 0) { + u_short port; + if ((port = + pmap_getport(raddr, program, version, IPPROTO_UDP)) == 0) { + goto fooy; + } + raddr->sin_port = htons(port); + } + cl->cl_ops = &udp_ops; + cl->cl_private = (caddr_t)cu; + cu->cu_raddr = *raddr; + cu->cu_rlen = sizeof (cu->cu_raddr); + cu->cu_wait = wait; + cu->cu_total.tv_sec = -1; + cu->cu_total.tv_usec = -1; + cu->cu_sendsz = sendsz; + cu->cu_recvsz = recvsz; + 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 = program; + call_msg.rm_call.cb_vers = version; + xdrmem_create(&(cu->cu_outxdrs), cu->cu_outbuf, + sendsz, XDR_ENCODE); + if (! xdr_callhdr(&(cu->cu_outxdrs), &call_msg)) { + goto fooy; + } + cu->cu_xdrpos = XDR_GETPOS(&(cu->cu_outxdrs)); + if (*sockp < 0) { + int dontblock = 1; + + *sockp = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); + if (*sockp < 0) { + rpc_createerr.cf_stat = RPC_SYSTEMERROR; + rpc_createerr.cf_error.re_errno = errno; + goto fooy; + } + /* attempt to bind to prov port */ + (void)bindresvport(*sockp, (struct sockaddr_in *)0); + /* the sockets rpc controls are non-blocking */ + (void)ioctl(*sockp, FIONBIO, (char *) &dontblock); + cu->cu_closeit = TRUE; + } else { + cu->cu_closeit = FALSE; + } + cu->cu_sock = *sockp; + cl->cl_auth = authnone_create(); + return (cl); +fooy: + if (cu) + mem_free((caddr_t)cu, sizeof(*cu) + sendsz + recvsz); + if (cl) + mem_free((caddr_t)cl, sizeof(CLIENT)); + return ((CLIENT *)NULL); +} + +CLIENT * +clntudp_create(raddr, program, version, wait, sockp) + struct sockaddr_in *raddr; + u_long program; + u_long version; + struct timeval wait; + register int *sockp; +{ + + return(clntudp_bufcreate(raddr, program, version, wait, sockp, + UDPMSGSIZE, UDPMSGSIZE)); +} + +static enum clnt_stat +clntudp_call(cl, proc, xargs, argsp, xresults, resultsp, utimeout) + register CLIENT *cl; /* client handle */ + u_long proc; /* procedure number */ + xdrproc_t xargs; /* xdr routine for args */ + caddr_t argsp; /* pointer to args */ + xdrproc_t xresults; /* xdr routine for results */ + caddr_t resultsp; /* pointer to results */ + struct timeval utimeout; /* seconds to wait before giving up */ +{ + register struct cu_data *cu = (struct cu_data *)cl->cl_private; + register XDR *xdrs; + register int outlen; + register int inlen; + int fromlen; +#ifdef FD_SETSIZE + fd_set readfds; + fd_set mask; +#else + int readfds; + register int mask; +#endif /* def FD_SETSIZE */ + struct sockaddr_in from; + struct rpc_msg reply_msg; + XDR reply_xdrs; + struct timeval time_waited; + bool_t ok; + int nrefreshes = 2; /* number of times to refresh cred */ + struct timeval timeout; + + if (cu->cu_total.tv_usec == -1) { + timeout = utimeout; /* use supplied timeout */ + } else { + timeout = cu->cu_total; /* use default timeout */ + } + + time_waited.tv_sec = 0; + time_waited.tv_usec = 0; +call_again: + xdrs = &(cu->cu_outxdrs); + xdrs->x_op = XDR_ENCODE; + XDR_SETPOS(xdrs, cu->cu_xdrpos); + /* + * the transaction is the first thing in the out buffer + */ + (*(u_short *)(cu->cu_outbuf))++; + if ((! XDR_PUTLONG(xdrs, (long *)&proc)) || + (! AUTH_MARSHALL(cl->cl_auth, xdrs)) || + (! (*xargs)(xdrs, argsp))) + return (cu->cu_error.re_status = RPC_CANTENCODEARGS); + outlen = (int)XDR_GETPOS(xdrs); + +send_again: + if (sendto(cu->cu_sock, cu->cu_outbuf, outlen, 0, + (struct sockaddr *)&(cu->cu_raddr), cu->cu_rlen) + != outlen) { + cu->cu_error.re_errno = errno; + return (cu->cu_error.re_status = RPC_CANTSEND); + } + + /* + * Hack to provide rpc-based message passing + */ + if (timeout.tv_sec == 0 && timeout.tv_usec == 0) { + return (cu->cu_error.re_status = RPC_TIMEDOUT); + } + /* + * sub-optimal code appears here because we have + * some clock time to spare while the packets are in flight. + * (We assume that this is actually only executed once.) + */ + reply_msg.acpted_rply.ar_verf = _null_auth; + reply_msg.acpted_rply.ar_results.where = resultsp; + reply_msg.acpted_rply.ar_results.proc = xresults; +#ifdef FD_SETSIZE + FD_ZERO(&mask); + FD_SET(cu->cu_sock, &mask); +#else + mask = 1 << cu->cu_sock; +#endif /* def FD_SETSIZE */ + for (;;) { + readfds = mask; + switch (select(_rpc_dtablesize(), &readfds, (int *)NULL, + (int *)NULL, &(cu->cu_wait))) { + + case 0: + time_waited.tv_sec += cu->cu_wait.tv_sec; + time_waited.tv_usec += cu->cu_wait.tv_usec; + while (time_waited.tv_usec >= 1000000) { + time_waited.tv_sec++; + time_waited.tv_usec -= 1000000; + } + if ((time_waited.tv_sec < timeout.tv_sec) || + ((time_waited.tv_sec == timeout.tv_sec) && + (time_waited.tv_usec < timeout.tv_usec))) + goto send_again; + return (cu->cu_error.re_status = RPC_TIMEDOUT); + + /* + * buggy in other cases because time_waited is not being + * updated. + */ + case -1: + if (errno == EINTR) + continue; + cu->cu_error.re_errno = errno; + return (cu->cu_error.re_status = RPC_CA