| /* |
| * decode_mountd.c |
| * |
| * RPC mountd. |
| * |
| * Outputs filehandle in nfsshell format. :-) |
| * |
| * Copyright (c) 2000 Dug Song <dugsong@monkey.org> |
| * |
| * $Id: decode_mountd.c,v 1.7 2001/03/15 08:33:01 dugsong Exp $ |
| */ |
| |
| #include "config.h" |
| |
| #include <sys/param.h> |
| #include <sys/types.h> |
| #include <rpc/rpc.h> |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "buf.h" |
| #include "mount.h" |
| #include "rpc.h" |
| #include "decode.h" |
| |
| int |
| decode_mountd(u_char *buf, int len, u_char *obuf, int olen) |
| { |
| XDR xdrs; |
| struct buf outbuf; |
| struct rpc_msg msg; |
| struct xid_map *xm; |
| struct fhstatus fhstat; |
| char *p, *dir; |
| int i, hdrlen; |
| |
| buf_init(&outbuf, obuf, olen); |
| |
| if ((hdrlen = rpc_decode(buf, len, &msg)) == 0) |
| return (0); |
| |
| if (msg.rm_direction == CALL && |
| msg.rm_call.cb_prog == MOUNTPROG && |
| msg.rm_call.cb_proc == MOUNTPROC_MNT) { |
| xdrmem_create(&xdrs, buf + hdrlen, len - hdrlen, XDR_DECODE); |
| dir = NULL; |
| if (xdr_string(&xdrs, &dir, MAXPATHLEN)) { |
| xid_map_enter(msg.rm_xid, MOUNTPROG, MOUNTVERS, |
| MOUNTPROC_MNT, (void *) dir); |
| } |
| xdr_destroy(&xdrs); |
| } |
| else if (msg.rm_direction == REPLY && |
| (xm = xid_map_find(msg.rm_xid)) != NULL) { |
| if (msg.rm_reply.rp_stat == MSG_ACCEPTED && |
| msg.acpted_rply.ar_stat == SUCCESS) { |
| xdrmem_create(&xdrs, buf + hdrlen, len - hdrlen, |
| XDR_DECODE); |
| if (xdr_fhstatus(&xdrs, &fhstat)) { |
| if (fhstat.fhs_status == 0) { |
| buf_putf(&outbuf, "%s [", |
| (char *)xm->data); |
| |
| p = fhstat.fhstatus_u.fhs_fhandle; |
| |
| for (i = 0; i < FHSIZE; i++) { |
| buf_putf(&outbuf, "%.2x ", |
| p[i] & 0xff); |
| } |
| buf_put(&outbuf, "]\n", 2); |
| } |
| } |
| xdr_destroy(&xdrs); |
| } |
| free(xm->data); |
| memset(xm, 0, sizeof(*xm)); |
| } |
| buf_end(&outbuf); |
| |
| return (buf_len(&outbuf)); |
| } |