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/* $OpenBSD: yp_all.c,v 1.13 2015/09/28 14:51:04 deraadt Exp $ */ |
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/* |
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* Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#include <sys/types.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <limits.h> |
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#include <rpc/rpc.h> |
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#include <rpc/xdr.h> |
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#include <rpcsvc/yp.h> |
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#include <rpcsvc/ypclnt.h> |
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#include "ypinternal.h" |
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static int (*ypresp_allfn)(u_long, char *, int, char *, int, void *); |
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static void *ypresp_data; |
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static bool_t |
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_xdr_ypresp_all_seq(XDR *xdrs, u_long *objp) |
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{ |
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struct ypresp_all out; |
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u_long status; |
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char *key, *val; |
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int size; |
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int done = 0; /* set to 1 when the user does not want more data */ |
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bool_t rc = TRUE; /* FALSE at the end of loop signals failure */ |
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memset(&out, 0, sizeof out); |
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while (rc && !done) { |
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rc = FALSE; |
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if (!xdr_ypresp_all(xdrs, &out)) { |
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*objp = (u_long)YP_YPERR; |
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goto fail; |
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} |
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if (out.more == 0) |
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goto fail; |
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status = out.ypresp_all_u.val.stat; |
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if (status == YP_TRUE) { |
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size = out.ypresp_all_u.val.key.keydat_len; |
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if ((key = malloc(size + 1)) == NULL) { |
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*objp = (u_long)YP_YPERR; |
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goto fail; |
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} |
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(void)memcpy(key, out.ypresp_all_u.val.key.keydat_val, |
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size); |
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key[size] = '\0'; |
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size = out.ypresp_all_u.val.val.valdat_len; |
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if ((val = malloc(size + 1)) == NULL) { |
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free(key); |
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*objp = (u_long)YP_YPERR; |
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goto fail; |
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} |
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(void)memcpy(val, out.ypresp_all_u.val.val.valdat_val, |
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size); |
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val[size] = '\0'; |
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done = (*ypresp_allfn)(status, key, |
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out.ypresp_all_u.val.key.keydat_len, val, |
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out.ypresp_all_u.val.val.valdat_len, ypresp_data); |
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free(key); |
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free(val); |
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} else |
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done = 1; |
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if (status != YP_NOMORE) |
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*objp = status; |
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rc = TRUE; |
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fail: |
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xdr_free(xdr_ypresp_all, (char *)&out); |
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} |
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return rc; |
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} |
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int |
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yp_all(const char *indomain, const char *inmap, struct ypall_callback *incallback) |
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{ |
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struct ypreq_nokey yprnk; |
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struct dom_binding *ysd; |
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struct timeval tv; |
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struct sockaddr_in clnt_sin; |
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CLIENT *clnt; |
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u_long status; |
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int clnt_sock; |
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int r = 0; |
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if (indomain == NULL || *indomain == '\0' || |
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strlen(indomain) > YPMAXDOMAIN || inmap == NULL || |
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*inmap == '\0' || strlen(inmap) > YPMAXMAP || incallback == NULL) |
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return YPERR_BADARGS; |
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if (_yp_dobind(indomain, &ysd) != 0) |
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return YPERR_DOMAIN; |
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tv.tv_sec = _yplib_timeout; |
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tv.tv_usec = 0; |
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clnt_sock = RPC_ANYSOCK; |
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clnt_sin = ysd->dom_server_addr; |
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clnt_sin.sin_port = 0; |
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clnt = clnttcp_create(&clnt_sin, YPPROG, YPVERS, &clnt_sock, 0, 0); |
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if (clnt == NULL) { |
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printf("clnttcp_create failed\n"); |
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r = YPERR_PMAP; |
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goto out; |
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} |
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yprnk.domain = (char *)indomain; |
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yprnk.map = (char *)inmap; |
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ypresp_allfn = incallback->foreach; |
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ypresp_data = (void *) incallback->data; |
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(void) clnt_call(clnt, YPPROC_ALL, |
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xdr_ypreq_nokey, &yprnk, _xdr_ypresp_all_seq, &status, tv); |
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clnt_destroy(clnt); |
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if (status != YP_FALSE) |
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r = ypprot_err(status); |
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out: |
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_yp_unbind(ysd); |
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return r; |
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} |