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- /*
- * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote
- * products derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- /*
- * Modifications for linux by Swen Thuemmler <swen@uni-paderborn.de>
- */
-
- #ifndef LINT
- static char *rcsid = "yplib.c,v 2.6 1994/05/27 14:34:43 swen Exp";
- #endif
-
- #include <sys/param.h>
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <sys/file.h>
- #include <sys/uio.h>
- #include <errno.h>
- #include <stdio.h>
- #include <string.h>
- #include "yp.h"
- #include <rpcsvc/ypclnt.h>
-
- #ifndef BINDINGDIR
- #define BINDINGDIR "/var/yp/binding"
- #endif
- #define YPMATCHCACHE
- #define USE_BINDINGDIR 0 /* We don't want it */
-
- static void ypmatch_add (char *, char *, int, char *, int);
- static bool_t ypmatch_find (char *, char *, int, char **, int *);
- int __yp_dobind (char *, struct dom_binding **);
- static void __yp_unbind (struct dom_binding *);
- int __yp_check (char **);
- int yp_maplist (char *, struct ypmaplist **);
- int (*ypresp_allfn)(int, char *, int, char *, int, char *);
- void *ypresp_data;
-
- struct dom_binding *__ypbindlist;
- static char __yp_domain[MAXHOSTNAMELEN];
- int __yplib_timeout = 10;
-
- #ifdef YPMATCHCACHE
- int __yplib_cache = 5;
-
- static struct ypmatch_ent
- {
- struct ypmatch_ent *next;
- char *map, *key, *val;
- int keylen, vallen;
- time_t expire_t;
- } *ypmc;
-
- static void
- ypmatch_add (char *map, char *key, int keylen, char *val, int vallen)
- {
- struct ypmatch_ent *ep;
- time_t t;
-
- time (&t);
-
- for (ep = ypmc; ep; ep = ep->next)
- if (ep->expire_t < t)
- break;
- if (NULL == ep)
- {
- ep = (struct ypmatch_ent *) malloc (sizeof *ep);
- bzero ((char *) ep, sizeof *ep);
- if (ypmc)
- ep->next = ypmc;
- ypmc = ep;
- }
-
- if (ep->key)
- free (ep->key);
- if (ep->val)
- free (ep->val);
-
- ep->key = NULL;
- ep->val = NULL;
-
- ep->key = (char *) malloc (keylen);
- if (NULL == ep->key)
- return;
-
- ep->val = (char *) malloc (vallen);
- if (NULL == ep->key)
- {
- free (ep->key);
- ep->key = NULL;
- return;
- }
- ep->keylen = keylen;
- ep->vallen = vallen;
-
- bcopy (key, ep->key, ep->keylen);
- bcopy (val, ep->val, ep->vallen);
-
- if (ep->map)
- {
- if (strcmp (ep->map, map))
- {
- free (ep->map);
- ep->map = strdup (map);
- }
- }
- else
- {
- ep->map = strdup (map);
- }
-
- ep->expire_t = t + __yplib_cache;
- }
-
- static bool_t
- ypmatch_find (char *map, char *key, int keylen, char **val, int *vallen)
- {
- struct ypmatch_ent *ep;
- time_t t;
-
- if (NULL == ypmc)
- return 0;
-
- time (&t);
-
- for (ep = ypmc; ep; ep = ep->next)
- {
- if (ep->keylen != keylen)
- continue;
- if (strcmp (ep->map, map))
- continue;
- if (bcmp (ep->key, key, keylen))
- continue;
- if (t > ep->expire_t)
- continue;
-
- *val = ep->val;
- *vallen = ep->vallen;
- return 1;
- }
- return 0;
- }
-
- #endif
-
- int
- __yp_dobind (char *dom, struct dom_binding **ypdb)
- {
- static int pid = -1;
- struct dom_binding *ysd, *ysd2;
- struct ypbind_resp ypbr;
- struct timeval tv;
- struct sockaddr_in clnt_sin;
- int clnt_sock, gpid;
- #if USE_BINDINGDIR
- char path[MAXPATHLEN];
- int fd;
- #endif
- CLIENT *client;
- int new = 0, r;
-
- gpid = getpid ();
- if (!(-1 == pid || gpid == pid))
- {
- ysd = __ypbindlist;
- while (ysd)
- {
- if (ysd->dom_client)
- clnt_destroy (ysd->dom_client);
- ysd2 = ysd->dom_pnext;
- free (ysd);
- ysd = ysd2;
- }
- __ypbindlist = NULL;
- }
- pid = gpid;
-
- if (NULL != ypdb)
- *ypdb = NULL;
-
- if (NULL == dom || 0 == strlen (dom))
- return YPERR_BADARGS;
-
- for (ysd = __ypbindlist; ysd; ysd = ysd->dom_pnext)
- if (strcmp (dom, ysd->dom_domain) == 0)
- break;
- if (NULL == ysd)
- {
- ysd = (struct dom_binding *) malloc (sizeof *ysd);
- bzero ((char *) ysd, sizeof *ysd);
- ysd->dom_socket = -1;
- ysd->dom_vers = 0;
- new = 1;
- }
- again:
- #if USE_BINDINGDIR
- if (0 == ysd->dom_vers)
- {
- sprintf (path, "%s/%s.%d", BINDINGDIR, dom, 2);
- if ((fd = open (path, O_RDONLY)) == -1)
- {
- /* no binding file, YP is dead. */
- if (new)
- free (ysd);
- return YPERR_YPBIND;
- }
- if (flock (fd, LOCK_EX | LOCK_NB) == -1 && errno == EWOULDBLOCK)
- {
- struct iovec iov[2];
- struct ypbind_resp ybr;
- u_short ypb_port;
-
- iov[0].iov_base = (caddr_t) & ypb_port;
- iov[0].iov_len = sizeof ypb_port;
- iov[1].iov_base = (caddr_t) & ybr;
- iov[1].iov_len = sizeof ybr;
-
- r = readv (fd, iov, 2);
- if (r != iov[0].iov_len + iov[1].iov_len)
- {
- close (fd);
- ysd->dom_vers = -1;
- goto again;
- }
-
- bzero (&ysd->dom_server_addr, sizeof ysd->dom_server_addr);
- ysd->dom_server_addr.sin_family = AF_INET;
- ysd->dom_server_addr.sin_addr.s_addr =
- ybr.ypbind_respbody.ypbind_bindinfo.ypbind_binding_addr.s_addr;
- ysd->dom_server_addr.sin_port =
- ybr.ypbind_respbody.ypbind_bindinfo.ypbind_binding_port;
- ysd->dom_server_port = ysd->dom_server_addr.sin_port;
- close (fd);
- goto gotit;
- }
- else
- {
- /* no lock on binding file, YP is dead. */
- close (fd);
- if (new)
- free (ysd);
- return YPERR_YPBIND;
- }
- }
- #endif
- if (-1 == ysd->dom_vers || 0 == ysd->dom_vers)
- {
- bzero ((char *) &clnt_sin, sizeof clnt_sin);
- clnt_sin.sin_family = AF_INET;
- clnt_sin.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
- clnt_sock = RPC_ANYSOCK;
- client = clnttcp_create (&clnt_sin,
- YPBINDPROG, YPBINDVERS,
- &clnt_sock, 0, 0);
- if (NULL == client)
- {
- clnt_pcreateerror ("clnttcp_create");
- if (new)
- free (ysd);
- return YPERR_YPBIND;
- }
- tv.tv_sec = __yplib_timeout;
- tv.tv_usec = 0;
- r = clnt_call (client,
- YPBINDPROC_DOMAIN,
- xdr_domainname, dom,
- xdr_ypbind_resp, &ypbr,
- tv);
- if (r != RPC_SUCCESS)
- {
- fprintf (stderr,
- "YP: server for domain %s not responding, still trying\n",
- dom);
- clnt_destroy (client);
- ysd->dom_vers = -1;
- goto again;
- }
- clnt_destroy (client);
- switch (ypbr.ypbind_status)
- {
- case YPBIND_FAIL_VAL:
- switch(ypbr.ypbind_respbody.ypbind_error)
- {
- case YPBIND_ERR_ERR:
- fprintf(stderr, "YPBINDPROC_DOMAIN: Internal error\n");
- break;
- case YPBIND_ERR_NOSERV:
- fprintf(stderr,
- "YPBINDPROC_DOMAIN: No bound server for domain %s\n",
-
- dom);
- break;
- case YPBIND_ERR_RESC:
- fprintf(stderr, "YPBINDPROC_DOMAIN: Resource allocation failure\n");
- break;
- default:
- fprintf(stderr, "YPBINDPROC_DOMAIN: Unknown error\n");
- break;
- }
- return YPERR_DOMAIN;
- case YPBIND_SUCC_VAL:
- {
- bzero ((char *) &ysd->dom_server_addr, sizeof ysd->dom_server_addr);
- ysd->dom_server_addr.sin_family = AF_INET;
- ysd->dom_server_addr.sin_port =
- ypbr.ypbind_respbody.ypbind_bindinfo.ypbind_binding_port;
- ysd->dom_server_addr.sin_addr.s_addr =
- ypbr.ypbind_respbody.ypbind_bindinfo.ypbind_binding_addr.s_addr;
- ysd->dom_server_port =
- ypbr.ypbind_respbody.ypbind_bindinfo.ypbind_binding_port;
- }
- }
- gotit:
- ysd->dom_vers = YPVERS;
- strcpy (ysd->dom_domain, dom);
- }
- tv.tv_sec = __yplib_timeout / 2;
- tv.tv_usec = 0;
- if (ysd->dom_client)
- clnt_destroy (ysd->dom_client);
- ysd->dom_socket = RPC_ANYSOCK;
- ysd->dom_client = clntudp_create (&ysd->dom_server_addr,
- YPPROG, YPVERS,
- tv, &ysd->dom_socket);
- if (NULL == ysd->dom_client)
- {
- clnt_pcreateerror ("clntudp_create");
- ysd->dom_vers = -1;
- goto again;
- }
- if (-1 == fcntl (ysd->dom_socket, F_SETFD, 1))
- perror ("fcntl: F_SETFD");
-
- if (new)
- {
- ysd->dom_pnext = __ypbindlist;
- __ypbindlist = ysd;
- }
-
- if (NULL != ypdb)
- *ypdb = ysd;
- return 0;
- }
-
- static void
- __yp_unbind (struct dom_binding *ypb)
- {
- clnt_destroy (ypb->dom_client);
- ypb->dom_client = NULL;
- ypb->dom_socket = -1;
- }
-
- int
- yp_bind (char *dom)
- {
- return __yp_dobind (dom, NULL);
- }
-
- void
- yp_unbind (char *dom)
- {
- struct dom_binding *ypb, *ypbp;
-
- ypbp = NULL;
- for (ypb = __ypbindlist; ypb; ypb = ypb->dom_pnext)
- {
- if (strcmp (dom, ypb->dom_domain) == 0)
- {
- clnt_destroy (ypb->dom_client);
- if (ypbp)
- ypbp->dom_pnext = ypb->dom_pnext;
- else
- __ypbindlist = ypb->dom_pnext;
- free (ypb);
- return;
- }
- ypbp = ypb;
- }
- return;
- }
-
- int
- yp_match (char *indomain, char *inmap, char *inkey, int inkeylen, char **outval, int *outvallen)
- {
- struct dom_binding *ysd;
- struct ypresp_val yprv;
- struct timeval tv;
- struct ypreq_key yprk;
- int r;
-
- *outval = NULL;
- *outvallen = 0;
-
- again:
- if (__yp_dobind (indomain, &ysd) != 0)
- return YPERR_DOMAIN;
-
- #ifdef YPMATCHCACHE
- if (!strcmp (__yp_domain, indomain)
- && ypmatch_find (inmap, inkey,
- inkeylen, &yprv.valdat.dptr, &yprv.valdat.dsize))
- {
- *outvallen = yprv.valdat.dsize;
- *outval = (char *) malloc (*outvallen + 2);
- bcopy (yprv.valdat.dptr, *outval, *outvallen);
- (*outval)[*outvallen] = '\n';
- (*outval)[*outvallen + 1] = '\0';
- return 0;
- }
- #endif
-
- tv.tv_sec = __yplib_timeout;
- tv.tv_usec = 0;
-
- yprk.domain = indomain;
- yprk.map = inmap;
- yprk.keydat.dptr = inkey;
- yprk.keydat.dsize = inkeylen;
-
- bzero ((char *) &yprv, sizeof yprv);
-
- r = clnt_call (ysd->dom_client, YPPROC_MATCH,
- xdr_ypreq_key, &yprk,
- xdr_ypresp_val, &yprv,
- tv);
- if (r != RPC_SUCCESS)
- {
- clnt_perror (ysd->dom_client, "yp_match: clnt_call");
- ysd->dom_vers = -1;
- goto again;
- }
- if (!(r = ypprot_err (yprv.status)))
- {
- *outvallen = yprv.valdat.dsize;
- *outval = (char *) malloc (*outvallen + 2);
- bcopy (yprv.valdat.dptr, *outval, *outvallen);
- (*outval)[*outvallen] = '\n';
- (*outval)[*outvallen + 1] = '\0';
- #ifdef YPMATCHCACHE
- if (strcmp (__yp_domain, indomain) == 0)
- ypmatch_add (inmap, inkey, inkeylen, *outval, *outvallen);
- #endif
- }
- xdr_free (xdr_ypresp_val, (char *) &yprv);
- __yp_unbind (ysd);
- return r;
- }
-
- int
- yp_get_default_domain (char **domp)
- {
- *domp = NULL;
- if ('\0' == __yp_domain[0])
- if (getdomainname (__yp_domain, sizeof __yp_domain))
- return YPERR_NODOM;
- *domp = __yp_domain;
- return 0;
- }
-
- int
- yp_first (char *indomain, char *inmap, char **outkey, int *outkeylen, char **outval, int *outvallen)
- {
- struct ypresp_key_val yprkv;
- struct ypreq_nokey yprnk;
- struct dom_binding *ysd;
- struct timeval tv;
- int r;
-
- *outkey = *outval = NULL;
- *outkeylen = *outvallen = 0;
-
- again:
- if (__yp_dobind (indomain, &ysd) != 0)
- return YPERR_DOMAIN;
-
- tv.tv_sec = __yplib_timeout;
- tv.tv_usec = 0;
-
- yprnk.domain = indomain;
- yprnk.map = inmap;
- bzero ((char *) &yprkv, sizeof yprkv);
-
- r = clnt_call (ysd->dom_client, YPPROC_FIRST,
- xdr_ypreq_nokey, &yprnk,
- xdr_ypresp_key_val, &yprkv,
- tv);
- if (r != RPC_SUCCESS)
- {
- clnt_perror (ysd->dom_client, "yp_first: clnt_call");
- ysd->dom_vers = -1;
- goto again;
- }
- if (!(r = ypprot_err (yprkv.status)))
- {
- *outkeylen = yprkv.keydat.dsize;
- *outkey = (char *) malloc (*outkeylen + 2);
- bcopy (yprkv.keydat.dptr, *outkey, *outkeylen);
- (*outkey)[*outkeylen] = '\n';
- (*outkey)[*outkeylen + 1] = '\0';
- *outvallen = yprkv.valdat.dsize;
- *outval = (char *) malloc (*outvallen + 2);
- bcopy (yprkv.valdat.dptr, *outval, *outvallen);
- (*outval)[*outvallen] = '\n';
- (*outval)[*outvallen + 1] = '\0';
- }
- xdr_free (xdr_ypresp_key_val, (char *) &yprkv);
- __yp_unbind (ysd);
- return r;
- }
-
- int
- yp_next (char *indomain, char *inmap, char *inkey, int inkeylen, char **outkey, int *outkeylen, char **outval, int *outvallen)
- {
- struct ypresp_key_val yprkv;
- struct ypreq_key yprk;
- struct dom_binding *ysd;
- struct timeval tv;
- int r;
-
- *outkey = *outval = NULL;
- *outkeylen = *outvallen = 0;
-
- again:
- if (__yp_dobind (indomain, &ysd) != 0)
- return YPERR_DOMAIN;
-
- tv.tv_sec = __yplib_timeout;
- tv.tv_usec = 0;
-
- yprk.domain = indomain;
- yprk.map = inmap;
- yprk.keydat.dptr = inkey;
- yprk.keydat.dsize = inkeylen;
- bzero ((char *) &yprkv, sizeof yprkv);
-
- r = clnt_call (ysd->dom_client, YPPROC_NEXT,
- xdr_ypreq_key, &yprk, xdr_ypresp_key_val, &yprkv, tv);
- if (r != RPC_SUCCESS)
- {
- clnt_perror (ysd->dom_client, "yp_next: clnt_call");
- ysd->dom_vers = -1;
- goto again;
- }
- if (!(r = ypprot_err (yprkv.status)))
- {
- *outkeylen = yprkv.keydat.dsize;
- *outkey = (char *) malloc (*outkeylen + 2);
- bcopy (yprkv.keydat.dptr, *outkey, *outkeylen);
- (*outkey)[*outkeylen] = '\n';
- (*outkey)[*outkeylen + 1] = '\0';
- *outvallen = yprkv.valdat.dsize;
- *outval = (char *) malloc (*outvallen + 2);
- bcopy (yprkv.valdat.dptr, *outval, *outvallen);
- (*outval)[*outvallen] = '\n';
- (*outval)[*outvallen + 1] = '\0';
- }
- xdr_free (xdr_ypresp_key_val, (char *) &yprkv);
- __yp_unbind (ysd);
- return r;
- }
-
- int
- yp_all (char *indomain, char *inmap, struct ypall_callback *incallback)
- {
- struct ypreq_nokey yprnk;
- struct dom_binding *ysd;
- struct timeval tv;
- struct sockaddr_in clnt_sin;
- CLIENT *clnt;
- u_long status;
- int clnt_sock;
-
- if (__yp_dobind (indomain, &ysd) != 0)
- return YPERR_DOMAIN;
-
- tv.tv_sec = __yplib_timeout;
- tv.tv_usec = 0;
- clnt_sock = RPC_ANYSOCK;
- clnt_sin = ysd->dom_server_addr;
- clnt_sin.sin_port = 0;
- clnt = clnttcp_create (&clnt_sin, YPPROG, YPVERS, &clnt_sock, 0, 0);
- if (NULL == clnt)
- {
- printf ("clnttcp_create failed\n");
- return YPERR_PMAP;
- }
-
- yprnk.domain = indomain;
- yprnk.map = inmap;
- ypresp_allfn = incallback->foreach;
- ypresp_data = (void *) incallback->data;
-
- (void) clnt_call (clnt, YPPROC_ALL,
- xdr_ypreq_nokey, &yprnk, xdr_ypresp_all_seq, &status, tv);
- clnt_destroy (clnt);
- xdr_free (xdr_ypresp_all_seq, (char *) &status); /* not really needed... */
- __yp_unbind (ysd);
-
- if (status != YP_FALSE)
- return ypprot_err (status);
- return 0;
- }
-
- int
- yp_order (char *indomain, char *inmap, int *outorder)
- {
- struct dom_binding *ysd;
- struct ypresp_order ypro;
- struct ypreq_nokey yprnk;
- struct timeval tv;
- int r;
-
- again:
- if (__yp_dobind (indomain, &ysd) != 0)
- return YPERR_DOMAIN;
-
- tv.tv_sec = __yplib_timeout;
- tv.tv_usec = 0;
-
- yprnk.domain = indomain;
- yprnk.map = inmap;
-
- bzero ((char *) (char *) &ypro, sizeof ypro);
-
- r = clnt_call (ysd->dom_client, YPPROC_ORDER,
- xdr_ypreq_nokey, &yprnk, xdr_ypresp_order, &ypro, tv);
- if (r != RPC_SUCCESS)
- {
- clnt_perror (ysd->dom_client, "yp_order: clnt_call");
- ysd->dom_vers = -1;
- goto again;
- }
-
- *outorder = ypro.ordernum;
- xdr_free (xdr_ypresp_order, (char *) &ypro);
- __yp_unbind (ysd);
- return ypprot_err (ypro.status);
- }
-
- int
- yp_master (char *indomain, char *inmap, char **outname)
- {
- struct dom_binding *ysd;
- struct ypresp_master yprm;
- struct ypreq_nokey yprnk;
- struct timeval tv;
- int r;
-
- again:
- if (__yp_dobind (indomain, &ysd) != 0)
- return YPERR_DOMAIN;
-
- tv.tv_sec = __yplib_timeout;
- tv.tv_usec = 0;
-
- yprnk.domain = indomain;
- yprnk.map = inmap;
-
- bzero ((char *) &yprm, sizeof yprm);
-
- r = clnt_call (ysd->dom_client, YPPROC_MASTER,
- xdr_ypreq_nokey, &yprnk, xdr_ypresp_master, &yprm, tv);
- if (r != RPC_SUCCESS)
- {
- clnt_perror (ysd->dom_client, "yp_master: clnt_call");
- ysd->dom_vers = -1;
- goto again;
- }
- if (!(r = ypprot_err (yprm.status)))
- {
- *outname = (char *) strdup (yprm.master);
- }
- xdr_free (xdr_ypresp_master, (char *) &yprm);
- __yp_unbind (ysd);
- return r;
- }
-
- int
- yp_maplist (char *indomain, struct ypmaplist **outmaplist)
- {
- struct dom_binding *ysd;
- struct ypresp_maplist ypml;
- struct timeval tv;
- int r;
-
- again:
- if (__yp_dobind (indomain, &ysd) != 0)
- return YPERR_DOMAIN;
-
- tv.tv_sec = __yplib_timeout;
- tv.tv_usec = 0;
-
- bzero ((char *) &ypml, sizeof ypml);
-
- r = clnt_call (ysd->dom_client, YPPROC_MAPLIST,
- xdr_domainname, indomain, xdr_ypresp_maplist, &ypml, tv);
- if (r != RPC_SUCCESS)
- {
- clnt_perror (ysd->dom_client, "yp_maplist: clnt_call");
- ysd->dom_vers = -1;
- goto again;
- }
- *outmaplist = ypml.list;
- /* NO: xdr_free(xdr_ypresp_maplist, &ypml);*/
- __yp_unbind (ysd);
- return ypprot_err (ypml.status);
- }
-
- char *
- yperr_string (int incode)
- {
- static char err[80];
-
- switch (incode)
- {
- case 0:
- return "Success";
- case YPERR_BADARGS:
- return "Request arguments bad";
- case YPERR_RPC:
- return "RPC failure";
- case YPERR_DOMAIN:
- return "Can't bind to server which serves this domain";
- case YPERR_MAP:
- return "No such map in server's domain";
- case YPERR_KEY:
- return "No such key in map";
- case YPERR_YPERR:
- return "YP server error";
- case YPERR_RESRC:
- return "Local resource allocation failure";
- case YPERR_NOMORE:
- return "No more records in map database";
- case YPERR_PMAP:
- return "Can't communicate with portmapper";
- case YPERR_YPBIND:
- return "Can't communicate with ypbind";
- case YPERR_YPSERV:
- return "Can't communicate with ypserv";
- case YPERR_NODOM:
- return "Local domain name not set";
- case YPERR_BADDB:
- return "Server data base is bad";
- case YPERR_VERS:
- return "YP server version mismatch - server can't supply service.";
- case YPERR_ACCESS:
- return "Access violation";
- case YPERR_BUSY:
- return "Database is busy";
- }
- sprintf (err, "YP unknown error %d\n", incode);
- return err;
- }
-
- int
- ypprot_err (long int incode)
- {
- switch (incode)
- {
- case YP_TRUE:
- return 0;
- case YP_FALSE:
- return YPERR_YPBIND;
- case YP_NOMORE:
- return YPERR_NOMORE;
- case YP_NOMAP:
- return YPERR_MAP;
- case YP_NODOM:
- return YPERR_NODOM;
- case YP_NOKEY:
- return YPERR_KEY;
- case YP_BADOP:
- return YPERR_YPERR;
- case YP_BADDB:
- return YPERR_BADDB;
- case YP_YPERR:
- return YPERR_YPERR;
- case YP_BADARGS:
- return YPERR_BADARGS;
- case YP_VERS:
- return YPERR_VERS;
- }
- return YPERR_YPERR;
- }
-
- int
- __yp_check (char **dom)
- {
- char *unused;
-
- if ('\0' == __yp_domain[0])
- if (yp_get_default_domain (&unused))
- return 0;
-
- if (dom)
- *dom = __yp_domain;
-
- if (yp_bind (__yp_domain) == 0)
- return 1;
- return 0;
- }
-