nis.subproj/yp_all.c

   1 /*
   2  * Copyright (c) 1999-2018 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.1 (the "License").  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License.
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
  26  * All rights reserved.
  27  *
  28  * Redistribution and use in source and binary forms, with or without
  29  * modification, are permitted provided that the following conditions
  30  * are met:
  31  * 1. Redistributions of source code must retain the above copyright
  32  *    notice, this list of conditions and the following disclaimer.
  33  * 2. Redistributions in binary form must reproduce the above copyright
  34  *    notice, this list of conditions and the following disclaimer in the
  35  *    documentation and/or other materials provided with the distribution.
  36  * 3. All advertising materials mentioning features or use of this software
  37  *    must display the following acknowledgement:
  38  *      This product includes software developed by Theo de Raadt.
  39  * 4. The name of the author may not be used to endorse or promote products
  40  *    derived from this software without specific prior written permission.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  43  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  44  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  46  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  52  * SUCH DAMAGE.
  53  */
  54
  55 #if defined(LIBC_SCCS) && !defined(lint)
  56 static char *rcsid = "$OpenBSD: yp_all.c,v 1.5 1996/12/14 06:49:46 tholo Exp $";
  57 #endif /* LIBC_SCCS and not lint */
  58
  59 #include "libinfo_common.h"
  60
  61 #include <sys/param.h>
  62 #include <sys/types.h>
  63 #include <sys/socket.h>
  64 #include <sys/file.h>
  65 #include <sys/uio.h>
  66 #include <errno.h>
  67 #include <stdio.h>
  68 #include <stdlib.h>
  69 #include <string.h>
  70 #include <unistd.h>
  71 #include <rpc/rpc.h>
  72 #include <rpc/xdr.h>
  73 #include <rpcsvc/yp.h>
  74 #include <rpcsvc/ypclnt.h>
  75 #include "ypinternal.h"
  76
  77 int (*ypresp_allfn) __P((u_long, char *, int, char *, int, void *));
  78 void *ypresp_data;
  79
  80 LIBINFO_EXPORT
  81 bool_t
  82 xdr_ypresp_all_seq(xdrs, objp)
  83 XDR *xdrs;
  84 u_long *objp;
  85 {
  86         struct ypresp_all out;
  87         u_long status;
  88         char *key, *val;
  89         int size;
  90         int r;
  91
  92         memset(&out, 0, sizeof out);
  93         while(1) {
  94                 if( !xdr_ypresp_all(xdrs, &out)) {
  95                         xdr_free((xdrproc_t)xdr_ypresp_all, (char *)&out);
  96                         *objp = (u_long)YP_YPERR;
  97                         return FALSE;
  98                 }
  99                 if(out.more == 0) {
 100                         xdr_free((xdrproc_t)xdr_ypresp_all, (char *)&out);
 101                         return FALSE;
 102                 }
 103                 status = out.ypresp_all_u.val.stat;
 104                 switch(status) {
 105                 case YP_TRUE:
 106                         size = out.ypresp_all_u.val.key.keydat_len;
 107                         if ((key = malloc(size + 1)) != NULL) {
 108                                 (void)memcpy(key,
 109                                     out.ypresp_all_u.val.key.keydat_val,
 110                                     size);
 111                                 key[size] = '\0';
 112                         }
 113                         size = out.ypresp_all_u.val.val.valdat_len;
 114                         if ((val = malloc(size + 1)) != NULL) {
 115                                 (void)memcpy(val,
 116                                     out.ypresp_all_u.val.val.valdat_val,
 117                                     size);
 118                                 val[size] = '\0';
 119                         }
 120                         else {
 121                                 free(key);
 122                                 key = NULL;
 123                         }
 124                         xdr_free((xdrproc_t)xdr_ypresp_all, (char *)&out);
 125
 126                         if (key == NULL || val == NULL) {
 127                                 free(key);
 128                                 free(val);
 129                                 return FALSE;
 130                         }
 131
 132                         r = (*ypresp_allfn)(status, key,
 133                             out.ypresp_all_u.val.key.keydat_len, val,
 134                             out.ypresp_all_u.val.val.valdat_len, ypresp_data);
 135                         *objp = status;
 136                         free(key);
 137                         free(val);
 138                         if(r)
 139                                 return TRUE;
 140                         break;
 141                 case YP_NOMORE:
 142                         xdr_free((xdrproc_t)xdr_ypresp_all, (char *)&out);
 143                         return TRUE;
 144                 default:
 145                         xdr_free((xdrproc_t)xdr_ypresp_all, (char *)&out);
 146                         *objp = status;
 147                         return TRUE;
 148                 }
 149         }
 150 }
 151
 152 LIBINFO_EXPORT
 153 int
 154 yp_all(indomain, inmap, incallback)
 155         const char     *indomain;
 156         const char     *inmap;
 157         struct ypall_callback *incallback;
 158 {
 159         struct ypreq_nokey yprnk;
 160         struct dom_binding *ysd;
 161         struct timeval  tv;
 162         struct sockaddr_in clnt_sin;
 163         CLIENT         *clnt;
 164         u_long          status;
 165         int             clnt_sock;
 166         int             r = 0;
 167
 168         if (indomain == NULL || *indomain == '\0' ||
 169             strlen(indomain) > YPMAXDOMAIN || inmap == NULL ||
 170             *inmap == '\0' || strlen(inmap) > YPMAXMAP || incallback == NULL)
 171                 return YPERR_BADARGS;
 172
 173         if (_yp_dobind(indomain, &ysd) != 0)
 174                 return YPERR_DOMAIN;
 175
 176         tv.tv_sec = _yplib_timeout;
 177         tv.tv_usec = 0;
 178         clnt_sock = RPC_ANYSOCK;
 179         clnt_sin = ysd->dom_server_addr;
 180         clnt_sin.sin_port = 0;
 181         clnt = clnttcp_create(&clnt_sin, YPPROG, YPVERS, &clnt_sock, 0, 0);
 182         if (clnt == NULL) {
 183                 printf("clnttcp_create failed\n");
 184                 r = YPERR_PMAP;
 185                 goto out;
 186         }
 187         yprnk.domain = (char *)indomain;
 188         yprnk.map = (char *)inmap;
 189         ypresp_allfn = incallback->foreach;
 190         ypresp_data = (void *) incallback->data;
 191
 192         (void) clnt_call(clnt, YPPROC_ALL,
 193             (xdrproc_t)xdr_ypreq_nokey, &yprnk, (xdrproc_t)xdr_ypresp_all_seq, &status, tv);
 194         clnt_destroy(clnt);
 195         if(status != YP_FALSE)
 196                 r = ypprot_err(status);
 197 out:
 198         _yp_unbind(ysd);
 199         return r;
 200 }