diff options
Diffstat (limited to 'libc/inet/rpc/rpc_cmsg.c')
| -rw-r--r-- | libc/inet/rpc/rpc_cmsg.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/libc/inet/rpc/rpc_cmsg.c b/libc/inet/rpc/rpc_cmsg.c new file mode 100644 index 000000000..b47a67c71 --- /dev/null +++ b/libc/inet/rpc/rpc_cmsg.c @@ -0,0 +1,215 @@ +/* @(#)rpc_callmsg.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 0 +static char sccsid[] = "@(#)rpc_callmsg.c 1.4 87/08/11 Copyr 1984 Sun Micro"; +#endif + +/* + * rpc_callmsg.c + * + * Copyright (C) 1984, Sun Microsystems, Inc. + * + */ + +#define __FORCE_GLIBC +#include <features.h> + +#include <string.h> +#include <sys/param.h> +#include <rpc/rpc.h> + +libc_hidden_proto(memcpy) +libc_hidden_proto(xdr_enum) +libc_hidden_proto(xdr_opaque) +libc_hidden_proto(xdr_u_int) +libc_hidden_proto(xdr_u_long) +libc_hidden_proto(xdr_opaque_auth) + +/* + * XDR a call message + */ +libc_hidden_proto(xdr_callmsg) +bool_t +xdr_callmsg (XDR *xdrs, struct rpc_msg *cmsg) +{ + int32_t *buf; + struct opaque_auth *oa; + + if (xdrs->x_op == XDR_ENCODE) + { + if (cmsg->rm_call.cb_cred.oa_length > MAX_AUTH_BYTES) + { + return (FALSE); + } + if (cmsg->rm_call.cb_verf.oa_length > MAX_AUTH_BYTES) + { + return (FALSE); + } + buf = XDR_INLINE (xdrs, 8 * BYTES_PER_XDR_UNIT + + RNDUP (cmsg->rm_call.cb_cred.oa_length) + + 2 * BYTES_PER_XDR_UNIT + + RNDUP (cmsg->rm_call.cb_verf.oa_length)); + if (buf != NULL) + { + IXDR_PUT_LONG (buf, cmsg->rm_xid); + IXDR_PUT_ENUM (buf, cmsg->rm_direction); + if (cmsg->rm_direction != CALL) + return FALSE; + IXDR_PUT_LONG (buf, cmsg->rm_call.cb_rpcvers); + if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) + return FALSE; + IXDR_PUT_LONG (buf, cmsg->rm_call.cb_prog); + IXDR_PUT_LONG (buf, cmsg->rm_call.cb_vers); + IXDR_PUT_LONG (buf, cmsg->rm_call.cb_proc); + oa = &cmsg->rm_call.cb_cred; + IXDR_PUT_ENUM (buf, oa->oa_flavor); + IXDR_PUT_INT32 (buf, oa->oa_length); + if (oa->oa_length) + { + memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length); + buf = (int32_t *) ((char *) buf + RNDUP (oa->oa_length)); + } + oa = &cmsg->rm_call.cb_verf; + IXDR_PUT_ENUM (buf, oa->oa_flavor); + IXDR_PUT_INT32 (buf, oa->oa_length); + if (oa->oa_length) + { + memcpy ((caddr_t) buf, oa->oa_base, oa->oa_length); + /* no real need.... + buf = (long *) ((char *) buf + RNDUP(oa->oa_length)); + */ + } + return TRUE; + } + } + if (xdrs->x_op == XDR_DECODE) + { + buf = XDR_INLINE (xdrs, 8 * BYTES_PER_XDR_UNIT); + if (buf != NULL) + { + cmsg->rm_xid = IXDR_GET_LONG (buf); + cmsg->rm_direction = IXDR_GET_ENUM (buf, enum msg_type); + if (cmsg->rm_direction != CALL) + { + return FALSE; + } + cmsg->rm_call.cb_rpcvers = IXDR_GET_LONG (buf); + if (cmsg->rm_call.cb_rpcvers != RPC_MSG_VERSION) + { + return FALSE; + } + cmsg->rm_call.cb_prog = IXDR_GET_LONG (buf); + cmsg->rm_call.cb_vers = IXDR_GET_LONG (buf); + cmsg->rm_call.cb_proc = IXDR_GET_LONG (buf); + oa = &cmsg->rm_call.cb_cred; + oa->oa_flavor = IXDR_GET_ENUM (buf, enum_t); + oa->oa_length = IXDR_GET_INT32 (buf); + if (oa->oa_length) + { + if (oa->oa_length > MAX_AUTH_BYTES) + return FALSE; + if (oa->oa_base == NULL) + { + oa->oa_base = (caddr_t) + mem_alloc (oa->oa_length); + } + buf = XDR_INLINE (xdrs, RNDUP (oa->oa_length)); + if (buf == NULL) + { + if (xdr_opaque (xdrs, oa->oa_base, + oa->oa_length) == FALSE) + return FALSE; + } + else + { + memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length); + /* no real need.... + buf = (long *) ((char *) buf + + RNDUP(oa->oa_length)); + */ + } + } + oa = &cmsg->rm_call.cb_verf; + buf = XDR_INLINE (xdrs, 2 * BYTES_PER_XDR_UNIT); + if (buf == NULL) + { + if (xdr_enum (xdrs, &oa->oa_flavor) == FALSE || + xdr_u_int (xdrs, &oa->oa_length) == FALSE) + { + return FALSE; + } + } + else + { + oa->oa_flavor = IXDR_GET_ENUM (buf, enum_t); + oa->oa_length = IXDR_GET_INT32 (buf); + } + if (oa->oa_length) + { + if (oa->oa_length > MAX_AUTH_BYTES) + return FALSE; + if (oa->oa_base == NULL) + { + oa->oa_base = (caddr_t) + mem_alloc (oa->oa_length); + } + buf = XDR_INLINE (xdrs, RNDUP (oa->oa_length)); + if (buf == NULL) + { + if (xdr_opaque (xdrs, oa->oa_base, + oa->oa_length) == FALSE) + return FALSE; + } + else + { + memcpy (oa->oa_base, (caddr_t) buf, oa->oa_length); + /* no real need... + buf = (long *) ((char *) buf + + RNDUP(oa->oa_length)); + */ + } + } + return TRUE; + } + } + if ( + xdr_u_long (xdrs, &(cmsg->rm_xid)) && + xdr_enum (xdrs, (enum_t *) & (cmsg->rm_direction)) && + (cmsg->rm_direction == CALL) && + xdr_u_long (xdrs, &(cmsg->rm_call.cb_rpcvers)) && + (cmsg->rm_call.cb_rpcvers == RPC_MSG_VERSION) && + xdr_u_long (xdrs, &(cmsg->rm_call.cb_prog)) && + xdr_u_long (xdrs, &(cmsg->rm_call.cb_vers)) && + xdr_u_long (xdrs, &(cmsg->rm_call.cb_proc)) && + xdr_opaque_auth (xdrs, &(cmsg->rm_call.cb_cred))) + return xdr_opaque_auth (xdrs, &(cmsg->rm_call.cb_verf)); + return FALSE; +} +libc_hidden_def(xdr_callmsg) |