1 /* $OpenBSD: yp_all.c,v 1.9 2005/08/05 13:02:16 espie Exp $ */ 2 /* 3 * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/param.h> 29 #include <sys/types.h> 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <string.h> 33 #include <rpc/rpc.h> 34 #include <rpc/xdr.h> 35 #include <rpcsvc/yp.h> 36 #include <rpcsvc/ypclnt.h> 37 #include "ypinternal.h" 38 39 bool_t 40 xdr_ypresp_all_seq(XDR *xdrs, u_long *objp) 41 { 42 struct ypresp_all out; 43 u_long status; 44 char *key, *val; 45 int size; 46 int r; 47 48 memset(&out, 0, sizeof out); 49 while (1) { 50 if (!xdr_ypresp_all(xdrs, &out)) { 51 xdr_free(xdr_ypresp_all, (char *)&out); 52 *objp = (u_long)YP_YPERR; 53 return FALSE; 54 } 55 if (out.more == 0) { 56 xdr_free(xdr_ypresp_all, (char *)&out); 57 return FALSE; 58 } 59 status = out.ypresp_all_u.val.stat; 60 switch (status) { 61 case YP_TRUE: 62 size = out.ypresp_all_u.val.key.keydat_len; 63 if ((key = malloc(size + 1)) != NULL) { 64 (void)memcpy(key, 65 out.ypresp_all_u.val.key.keydat_val, 66 size); 67 key[size] = '\0'; 68 } 69 size = out.ypresp_all_u.val.val.valdat_len; 70 if ((val = malloc(size + 1)) != NULL) { 71 (void)memcpy(val, 72 out.ypresp_all_u.val.val.valdat_val, 73 size); 74 val[size] = '\0'; 75 } else { 76 free(key); 77 key = NULL; 78 } 79 xdr_free(xdr_ypresp_all, (char *)&out); 80 81 if (key == NULL || val == NULL) 82 return FALSE; 83 84 r = (*ypresp_allfn)(status, key, 85 out.ypresp_all_u.val.key.keydat_len, val, 86 out.ypresp_all_u.val.val.valdat_len, ypresp_data); 87 *objp = status; 88 free(key); 89 free(val); 90 if (r) 91 return TRUE; 92 break; 93 case YP_NOMORE: 94 xdr_free(xdr_ypresp_all, (char *)&out); 95 return TRUE; 96 default: 97 xdr_free(xdr_ypresp_all, (char *)&out); 98 *objp = status; 99 return TRUE; 100 } 101 } 102 } 103 104 int 105 yp_all(const char *indomain, const char *inmap, struct ypall_callback *incallback) 106 { 107 struct ypreq_nokey yprnk; 108 struct dom_binding *ysd; 109 struct timeval tv; 110 struct sockaddr_in clnt_sin; 111 CLIENT *clnt; 112 u_long status; 113 int clnt_sock; 114 int r = 0; 115 116 if (indomain == NULL || *indomain == '\0' || 117 strlen(indomain) > YPMAXDOMAIN || inmap == NULL || 118 *inmap == '\0' || strlen(inmap) > YPMAXMAP || incallback == NULL) 119 return YPERR_BADARGS; 120 121 if (_yp_dobind(indomain, &ysd) != 0) 122 return YPERR_DOMAIN; 123 124 tv.tv_sec = _yplib_timeout; 125 tv.tv_usec = 0; 126 clnt_sock = RPC_ANYSOCK; 127 clnt_sin = ysd->dom_server_addr; 128 clnt_sin.sin_port = 0; 129 clnt = clnttcp_create(&clnt_sin, YPPROG, YPVERS, &clnt_sock, 0, 0); 130 if (clnt == NULL) { 131 printf("clnttcp_create failed\n"); 132 r = YPERR_PMAP; 133 goto out; 134 } 135 yprnk.domain = (char *)indomain; 136 yprnk.map = (char *)inmap; 137 ypresp_allfn = incallback->foreach; 138 ypresp_data = (void *) incallback->data; 139 140 (void) clnt_call(clnt, YPPROC_ALL, 141 xdr_ypreq_nokey, &yprnk, xdr_ypresp_all_seq, &status, tv); 142 clnt_destroy(clnt); 143 if (status != YP_FALSE) 144 r = ypprot_err(status); 145 out: 146 _yp_unbind(ysd); 147 return r; 148 } 149