1 /* 2 * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote 14 * products derived from this software without specific prior written 15 * permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD: src/lib/libc/yp/xdryp.c,v 1.15 2008/03/26 07:32:06 brueffer Exp $ 30 */ 31 32 #include <rpc/rpc.h> 33 #include <rpcsvc/yp.h> 34 #include <stdlib.h> 35 #include <string.h> 36 37 extern int (*ypresp_allfn)(unsigned long, char *, int, char *, int, void *); 38 extern void *ypresp_data; 39 40 /* 41 * I'm leaving the xdr_datum() function in purely for backwards 42 * compatibility. yplib.c doesn't actually use it, but it's listed 43 * in yp_prot.h as being available, so it's probably a good idea to 44 * leave it in case somebody goes looking for it. 45 */ 46 typedef struct { 47 char *dptr; 48 size_t dsize; 49 } datum; 50 51 bool_t 52 xdr_datum(XDR *xdrs, datum *objp) 53 { 54 if (!xdr_bytes(xdrs, (char **)&objp->dptr, (u_int *)&objp->dsize, YPMAXRECORD)) { 55 return (FALSE); 56 } 57 return (TRUE); 58 } 59 60 bool_t 61 xdr_ypresp_all_seq(XDR *xdrs, u_long *objp) 62 { 63 struct ypresp_all out; 64 u_long status; 65 char *key, *val; 66 int r; 67 68 bzero(&out, sizeof out); 69 while (1) { 70 if (!xdr_ypresp_all(xdrs, &out)) { 71 xdr_free((xdrproc_t)xdr_ypresp_all, &out); 72 *objp = YP_YPERR; 73 return (FALSE); 74 } 75 if (out.more == 0) { 76 xdr_free((xdrproc_t)xdr_ypresp_all, &out); 77 *objp = YP_NOMORE; 78 return (TRUE); 79 } 80 status = out.ypresp_all_u.val.stat; 81 switch (status) { 82 case YP_TRUE: 83 key = (char *)malloc(out.ypresp_all_u.val.key.keydat_len + 1); 84 bcopy(out.ypresp_all_u.val.key.keydat_val, key, 85 out.ypresp_all_u.val.key.keydat_len); 86 key[out.ypresp_all_u.val.key.keydat_len] = '\0'; 87 val = (char *)malloc(out.ypresp_all_u.val.val.valdat_len + 1); 88 bcopy(out.ypresp_all_u.val.val.valdat_val, val, 89 out.ypresp_all_u.val.val.valdat_len); 90 val[out.ypresp_all_u.val.val.valdat_len] = '\0'; 91 xdr_free((xdrproc_t)xdr_ypresp_all, &out); 92 93 r = (*ypresp_allfn)(status, 94 key, out.ypresp_all_u.val.key.keydat_len, 95 val, out.ypresp_all_u.val.val.valdat_len, 96 ypresp_data); 97 *objp = status; 98 free(key); 99 free(val); 100 if (r) 101 return (TRUE); 102 break; 103 case YP_NOMORE: 104 xdr_free((xdrproc_t)xdr_ypresp_all, &out); 105 *objp = YP_NOMORE; 106 return (TRUE); 107 default: 108 xdr_free((xdrproc_t)xdr_ypresp_all, &out); 109 *objp = status; 110 return (TRUE); 111 } 112 } 113 } 114