nis.subproj/yp_all.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
  27  * All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer.
  34  * 2. Redistributions in binary form must reproduce the above copyright
  35  *    notice, this list of conditions and the following disclaimer in the
  36  *    documentation and/or other materials provided with the distribution.
  37  * 3. All advertising materials mentioning features or use of this software
  38  *    must display the following acknowledgement:
  39  *      This product includes software developed by Theo de Raadt.
  40  * 4. The name of the author may not be used to endorse or promote products
  41  *    derived from this software without specific prior written permission.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  44  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  45  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  46  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  47  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  48  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  49  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  50  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  51  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  52  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  53  * SUCH DAMAGE.
  54  */
  55
  56 #if defined(LIBC_SCCS) && !defined(lint)
  57 static char *rcsid = "$OpenBSD: yp_all.c,v 1.5 1996/12/14 06:49:46 tholo Exp $";
  58 #endif /* LIBC_SCCS and not lint */
  59
  60 #include <sys/param.h>
  61 #include <sys/types.h>
  62 #include <sys/socket.h>
  63 #include <sys/file.h>
  64 #include <sys/uio.h>
  65 #include <errno.h>
  66 #include <stdio.h>
  67 #include <stdlib.h>
  68 #include <string.h>
  69 #include <unistd.h>
  70 #include <rpc/rpc.h>
  71 #include <rpc/xdr.h>
  72 #include <rpcsvc/yp.h>
  73 #include <rpcsvc/ypclnt.h>
  74 #include "ypinternal.h"
  75
  76 int (*ypresp_allfn) __P((u_long, char *, int, char *, int, void *));
  77 void *ypresp_data;
  78
  79 bool_t
  80 xdr_ypresp_all_seq(xdrs, objp)
  81 XDR *xdrs;
  82 u_long *objp;
  83 {
  84         struct ypresp_all out;
  85         u_long status;
  86         char *key, *val;
  87         int size;
  88         int r;
  89
  90         memset(&out, 0, sizeof out);
  91         while(1) {
  92                 if( !xdr_ypresp_all(xdrs, &out)) {
  93                         xdr_free(xdr_ypresp_all, (char *)&out);
  94                         *objp = (u_long)YP_YPERR;
  95                         return FALSE;
  96                 }
  97                 if(out.more == 0) {
  98                         xdr_free(xdr_ypresp_all, (char *)&out);
  99                         return FALSE;
 100                 }
 101                 status = out.ypresp_all_u.val.stat;
 102                 switch(status) {
 103                 case YP_TRUE:
 104                         size = out.ypresp_all_u.val.key.keydat_len;
 105                         if ((key = malloc(size + 1)) != NULL) {
 106                                 (void)memcpy(key,
 107                                     out.ypresp_all_u.val.key.keydat_val,
 108                                     size);
 109                                 key[size] = '\0';
 110                         }
 111                         size = out.ypresp_all_u.val.val.valdat_len;
 112                         if ((val = malloc(size + 1)) != NULL) {
 113                                 (void)memcpy(val,
 114                                     out.ypresp_all_u.val.val.valdat_val,
 115                                     size);
 116                                 val[size] = '\0';
 117                         }
 118                         else {
 119                                 free(key);
 120                                 key = NULL;
 121                         }
 122                         xdr_free(xdr_ypresp_all, (char *)&out);
 123
 124                         if (key == NULL || val == NULL)
 125                                 return FALSE;
 126
 127                         r = (*ypresp_allfn)(status, key,
 128                             out.ypresp_all_u.val.key.keydat_len, val,
 129                             out.ypresp_all_u.val.val.valdat_len, ypresp_data);
 130                         *objp = status;
 131                         free(key);
 132                         free(val);
 133                         if(r)
 134                                 return TRUE;
 135                         break;
 136                 case YP_NOMORE:
 137                         xdr_free(xdr_ypresp_all, (char *)&out);
 138                         return TRUE;
 139                 default:
 140                         xdr_free(xdr_ypresp_all, (char *)&out);
 141                         *objp = status;
 142                         return TRUE;
 143                 }
 144         }
 145 }
 146
 147 int
 148 yp_all(indomain, inmap, incallback)
 149         const char     *indomain;
 150         const char     *inmap;
 151         struct ypall_callback *incallback;
 152 {
 153         struct ypreq_nokey yprnk;
 154         struct dom_binding *ysd;
 155         struct timeval  tv;
 156         struct sockaddr_in clnt_sin;
 157         CLIENT         *clnt;
 158         u_long          status;
 159         int             clnt_sock;
 160         int             r = 0;
 161
 162         if (indomain == NULL || *indomain == '\0' ||
 163             strlen(indomain) > YPMAXDOMAIN || inmap == NULL ||
 164             *inmap == '\0' || strlen(inmap) > YPMAXMAP || incallback == NULL)
 165                 return YPERR_BADARGS;
 166
 167         if (_yp_dobind(indomain, &ysd) != 0)
 168                 return YPERR_DOMAIN;
 169
 170         tv.tv_sec = _yplib_timeout;
 171         tv.tv_usec = 0;
 172         clnt_sock = RPC_ANYSOCK;
 173         clnt_sin = ysd->dom_server_addr;
 174         clnt_sin.sin_port = 0;
 175         clnt = clnttcp_create(&clnt_sin, YPPROG, YPVERS, &clnt_sock, 0, 0);
 176         if (clnt == NULL) {
 177                 printf("clnttcp_create failed\n");
 178                 r = YPERR_PMAP;
 179                 goto out;
 180         }
 181         yprnk.domain = (char *)indomain;
 182         yprnk.map = (char *)inmap;
 183         ypresp_allfn = incallback->foreach;
 184         ypresp_data = (void *) incallback->data;
 185
 186         (void) clnt_call(clnt, YPPROC_ALL,
 187             xdr_ypreq_nokey, &yprnk, xdr_ypresp_all_seq, &status, tv);
 188         clnt_destroy(clnt);
 189         if(status != YP_FALSE)
 190                 r = ypprot_err(status);
 191 out:
 192         _yp_unbind(ysd);
 193         return r;
 194 }