diff options
Diffstat (limited to 'libexec/ypxfr/ypxfrd_getmap.c')
| -rw-r--r-- | libexec/ypxfr/ypxfrd_getmap.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/libexec/ypxfr/ypxfrd_getmap.c b/libexec/ypxfr/ypxfrd_getmap.c new file mode 100644 index 000000000000..62bd881f1a7d --- /dev/null +++ b/libexec/ypxfr/ypxfrd_getmap.c @@ -0,0 +1,144 @@ +/*- + * SPDX-License-Identifier: BSD-4-Clause + * + * Copyright (c) 1995, 1996 + * Bill Paul <wpaul@ctr.columbia.edu>. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Bill Paul. + * 4. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``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 Bill Paul OR CONTRIBUTORS 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. + */ + +#include <sys/cdefs.h> +#include <errno.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> +#include <rpcsvc/ypxfrd.h> +#include <rpcsvc/yp.h> +#include <rpc/rpc.h> +#include <sys/uio.h> +#include <sys/fcntl.h> +#include <sys/stat.h> +#include <sys/types.h> +#include "ypxfr_extern.h" + +static int fp = 0; + +static bool_t +xdr_my_xfr(register XDR *xdrs, xfr *objp) +{ + while (1) { + if (!xdr_xfr(xdrs, objp)) + return(FALSE); + if (objp->ok == TRUE) { + if (write(fp, objp->xfr_u.xfrblock_buf.xfrblock_buf_val, + objp->xfr_u.xfrblock_buf.xfrblock_buf_len) == -1) { + yp_error("write failed: %s", strerror(errno)); + return(FALSE); + } + } + xdr_free((xdrproc_t)xdr_xfr, (char *)objp); + if (objp->ok == FALSE) { + switch (objp->xfr_u.xfrstat) { + case(XFR_DONE): + return(TRUE); + break; + case(XFR_READ_ERR): + yp_error("got read error from rpc.ypxfrd"); + return(FALSE); + break; + case(XFR_ACCESS): + yp_error("rpc.ypxfrd couldn't access the map"); + return(FALSE); + break; + case(XFR_DENIED): + yp_error("access to map denied by rpc.ypxfrd"); + return(FALSE); + break; + case(XFR_DB_TYPE_MISMATCH): + yp_error("client/server DB type mismatch"); + return(FALSE); + break; + case(XFR_DB_ENDIAN_MISMATCH): + yp_error("client/server byte order mismatch"); + return(FALSE); + break; + default: + yp_error("got unknown status from rpc.ypxfrd"); + return(FALSE); + break; + } + } + } +} + +#define PERM_SECURE (S_IRUSR|S_IWUSR) + +int +ypxfrd_get_map(char *host, char *map, char *domain, char *tmpname) +{ + CLIENT *clnt; + struct ypxfr_mapname req; + struct xfr resp; + struct timeval timeout = { 0, 25 }; + int status = 0; + + req.xfrmap = map; + req.xfrdomain = domain; + req.xfrmap_filename = ""; + req.xfr_db_type = XFR_DB_BSD_HASH; /* + req.xfr_byte_order = XFR_ENDIAN_ANY; * Berkeley DB isn't + * byte-order sensitive. + */ + + bzero((char *)&resp, sizeof(resp)); + + if ((clnt = clnt_create(host, YPXFRD_FREEBSD_PROG, + YPXFRD_FREEBSD_VERS, "tcp")) == NULL) { + return(1); + } + + if ((fp = open(tmpname, O_RDWR|O_CREAT, PERM_SECURE)) == -1) { + clnt_destroy(clnt); + yp_error("couldn't open %s: %s", tmpname, strerror(errno)); + return(1); + } + + if (clnt_call(clnt,YPXFRD_GETMAP, + (xdrproc_t)xdr_ypxfr_mapname, (char *)&req, + (xdrproc_t)xdr_my_xfr, (char *)&resp, + timeout) != RPC_SUCCESS) { + yp_error("%s", clnt_sperror(clnt,"call to rpc.ypxfrd failed")); + status++; + unlink(tmpname); + } + + clnt_destroy(clnt); + close(fp); + return(status); +} |