1*4bff34e3Sthurlow /* 2*4bff34e3Sthurlow * Copyright (c) 2000, Boris Popov 3*4bff34e3Sthurlow * All rights reserved. 4*4bff34e3Sthurlow * 5*4bff34e3Sthurlow * Redistribution and use in source and binary forms, with or without 6*4bff34e3Sthurlow * modification, are permitted provided that the following conditions 7*4bff34e3Sthurlow * are met: 8*4bff34e3Sthurlow * 1. Redistributions of source code must retain the above copyright 9*4bff34e3Sthurlow * notice, this list of conditions and the following disclaimer. 10*4bff34e3Sthurlow * 2. Redistributions in binary form must reproduce the above copyright 11*4bff34e3Sthurlow * notice, this list of conditions and the following disclaimer in the 12*4bff34e3Sthurlow * documentation and/or other materials provided with the distribution. 13*4bff34e3Sthurlow * 3. All advertising materials mentioning features or use of this software 14*4bff34e3Sthurlow * must display the following acknowledgement: 15*4bff34e3Sthurlow * This product includes software developed by Boris Popov. 16*4bff34e3Sthurlow * 4. Neither the name of the author nor the names of any co-contributors 17*4bff34e3Sthurlow * may be used to endorse or promote products derived from this software 18*4bff34e3Sthurlow * without specific prior written permission. 19*4bff34e3Sthurlow * 20*4bff34e3Sthurlow * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21*4bff34e3Sthurlow * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22*4bff34e3Sthurlow * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23*4bff34e3Sthurlow * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24*4bff34e3Sthurlow * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25*4bff34e3Sthurlow * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26*4bff34e3Sthurlow * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27*4bff34e3Sthurlow * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28*4bff34e3Sthurlow * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29*4bff34e3Sthurlow * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30*4bff34e3Sthurlow * SUCH DAMAGE. 31*4bff34e3Sthurlow * 32*4bff34e3Sthurlow * $Id: file.c,v 1.4 2004/12/13 00:25:21 lindak Exp $ 33*4bff34e3Sthurlow */ 34*4bff34e3Sthurlow 35*4bff34e3Sthurlow #pragma ident "%Z%%M% %I% %E% SMI" 36*4bff34e3Sthurlow 37*4bff34e3Sthurlow #include <sys/param.h> 38*4bff34e3Sthurlow #include <sys/ioctl.h> 39*4bff34e3Sthurlow #include <sys/time.h> 40*4bff34e3Sthurlow #include <sys/mount.h> 41*4bff34e3Sthurlow #include <fcntl.h> 42*4bff34e3Sthurlow #include <ctype.h> 43*4bff34e3Sthurlow #include <errno.h> 44*4bff34e3Sthurlow #include <stdio.h> 45*4bff34e3Sthurlow #include <string.h> 46*4bff34e3Sthurlow #include <strings.h> 47*4bff34e3Sthurlow #include <stdlib.h> 48*4bff34e3Sthurlow #include <pwd.h> 49*4bff34e3Sthurlow #include <grp.h> 50*4bff34e3Sthurlow #include <unistd.h> 51*4bff34e3Sthurlow 52*4bff34e3Sthurlow #include <sys/types.h> 53*4bff34e3Sthurlow extern uid_t real_uid, eff_uid; 54*4bff34e3Sthurlow 55*4bff34e3Sthurlow #include <netsmb/smb_lib.h> 56*4bff34e3Sthurlow #include <cflib.h> 57*4bff34e3Sthurlow 58*4bff34e3Sthurlow int 59*4bff34e3Sthurlow smb_read(struct smb_ctx *ctx, smbfh fh, off_t offset, size_t count, char *dst) 60*4bff34e3Sthurlow { 61*4bff34e3Sthurlow struct smbioc_rw rwrq; 62*4bff34e3Sthurlow 63*4bff34e3Sthurlow bzero(&rwrq, sizeof (rwrq)); 64*4bff34e3Sthurlow rwrq.ioc_fh = fh; 65*4bff34e3Sthurlow rwrq.ioc_base = dst; 66*4bff34e3Sthurlow rwrq.ioc_cnt = count; 67*4bff34e3Sthurlow rwrq.ioc_offset = offset; 68*4bff34e3Sthurlow seteuid(eff_uid); 69*4bff34e3Sthurlow if (ioctl(ctx->ct_fd, SMBIOC_READ, &rwrq) == -1) { 70*4bff34e3Sthurlow seteuid(real_uid); /* and back to real user */ 71*4bff34e3Sthurlow return (-1); 72*4bff34e3Sthurlow } 73*4bff34e3Sthurlow seteuid(real_uid); /* and back to real user */ 74*4bff34e3Sthurlow return (rwrq.ioc_cnt); 75*4bff34e3Sthurlow } 76*4bff34e3Sthurlow 77*4bff34e3Sthurlow int 78*4bff34e3Sthurlow smb_write(struct smb_ctx *ctx, smbfh fh, off_t offset, size_t count, 79*4bff34e3Sthurlow const char *src) 80*4bff34e3Sthurlow { 81*4bff34e3Sthurlow struct smbioc_rw rwrq; 82*4bff34e3Sthurlow 83*4bff34e3Sthurlow bzero(&rwrq, sizeof (rwrq)); 84*4bff34e3Sthurlow rwrq.ioc_fh = fh; 85*4bff34e3Sthurlow rwrq.ioc_base = (char *)src; 86*4bff34e3Sthurlow rwrq.ioc_cnt = count; 87*4bff34e3Sthurlow rwrq.ioc_offset = offset; 88*4bff34e3Sthurlow seteuid(eff_uid); 89*4bff34e3Sthurlow if (ioctl(ctx->ct_fd, SMBIOC_WRITE, &rwrq) == -1) { 90*4bff34e3Sthurlow seteuid(real_uid); /* and back to real user */ 91*4bff34e3Sthurlow return (-1); 92*4bff34e3Sthurlow } 93*4bff34e3Sthurlow seteuid(real_uid); /* and back to real user */ 94*4bff34e3Sthurlow return (rwrq.ioc_cnt); 95*4bff34e3Sthurlow } 96