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Annotation of src/lib/libc/yp/yp_master.c, Revision 1.8

1.8     ! jtc         1: /*     $NetBSD: yp_master.c,v 1.7 1997/07/13 20:28:13 christos Exp $    */
1.1       jtc         2:
                      3: /*
                      4:  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@fsa.ca>
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by Theo de Raadt.
                     18:  * 4. The name of the author may not be used to endorse or promote products
                     19:  *    derived from this software without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
                     22:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     23:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
                     25:  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  */
                     33:
1.7       christos   34: #include <sys/cdefs.h>
1.1       jtc        35: #if defined(LIBC_SCCS) && !defined(lint)
1.8     ! jtc        36: __RCSID("$NetBSD: yp_master.c,v 1.7 1997/07/13 20:28:13 christos Exp $");
1.1       jtc        37: #endif
                     38:
1.8     ! jtc        39: #include "namespace.h"
1.1       jtc        40: #include <string.h>
1.7       christos   41: #include <stdlib.h>
1.1       jtc        42: #include <rpc/rpc.h>
                     43: #include <rpcsvc/yp_prot.h>
                     44: #include <rpcsvc/ypclnt.h>
1.7       christos   45: #include "local.h"
1.1       jtc        46:
1.2       jtc        47: extern struct timeval _yplib_timeout;
1.3       christos   48: extern int _yplib_nerrs;
1.1       jtc        49:
1.8     ! jtc        50: #ifdef __weak_alias
        !            51: __weak_alias(yp_master,_yp_master);
        !            52: #endif
        !            53:
1.1       jtc        54: int
                     55: yp_master(indomain, inmap, outname)
                     56:        const char     *indomain;
                     57:        const char     *inmap;
                     58:        char          **outname;
                     59: {
                     60:        struct dom_binding *ysd;
                     61:        struct ypresp_master yprm;
                     62:        struct ypreq_nokey yprnk;
1.3       christos   63:        int r, nerrs = 0;
1.1       jtc        64:
1.4       lukem      65:        if (outname == NULL)
                     66:                return YPERR_BADARGS;
                     67:        *outname = NULL;
                     68:
1.6       lukem      69:        if (_yp_invalid_domain(indomain))
1.2       jtc        70:                return YPERR_BADARGS;
                     71:        if (inmap == NULL || *inmap == '\0'
                     72:            || strlen(inmap) > YPMAXMAP)
                     73:                return YPERR_BADARGS;
                     74:
1.1       jtc        75: again:
                     76:        if (_yp_dobind(indomain, &ysd) != 0)
                     77:                return YPERR_DOMAIN;
                     78:
                     79:        yprnk.domain = indomain;
                     80:        yprnk.map = inmap;
                     81:
                     82:        (void)memset(&yprm, 0, sizeof yprm);
                     83:
                     84:        r = clnt_call(ysd->dom_client, YPPROC_MASTER,
1.2       jtc        85:                      xdr_ypreq_nokey, &yprnk, xdr_ypresp_master, &yprm,
                     86:                      _yplib_timeout);
1.1       jtc        87:        if (r != RPC_SUCCESS) {
1.3       christos   88:                if (++nerrs == _yplib_nerrs) {
                     89:                        clnt_perror(ysd->dom_client, "yp_master: clnt_call");
                     90:                        nerrs = 0;
                     91:                }
1.1       jtc        92:                ysd->dom_vers = -1;
                     93:                goto again;
                     94:        }
                     95:        if (!(r = ypprot_err(yprm.status))) {
                     96:                if ((*outname = strdup(yprm.master)) == NULL)
1.2       jtc        97:                        r = YPERR_RESRC;
1.1       jtc        98:        }
                     99:        xdr_free(xdr_ypresp_master, (char *) &yprm);
1.8     ! jtc       100:        __yp_unbind(ysd);
1.5       lukem     101:        if (r != 0) {
                    102:                if (*outname) {
                    103:                        free(*outname);
                    104:                        *outname = NULL;
                    105:                }
                    106:        }
1.1       jtc       107:        return r;
                    108: }

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