usr/src/cmd/fs.d/smbclnt/lsacl/lsacl.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*
  28  * This is the smbfs/lsacl command.
  29  * (just for testing - not installed)
  30  */
  31
  32 #include <sys/types.h>
  33 #include <sys/errno.h>
  34 #include <sys/stat.h>
  35 #include <sys/acl.h>
  36 #include <sys/acl_impl.h>
  37
  38 #include <fcntl.h>
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41 #include <unistd.h>
  42 #include <string.h>
  43 #include <aclutils.h>
  44
  45 #include <netsmb/smbfs_acl.h>
  46
  47 extern acl_t *acl_alloc(acl_type_t);
  48
  49 char *progname;
  50 int Vflag;
  51
  52 uint32_t selector =  DACL_SECURITY_INFORMATION |
  53         OWNER_SECURITY_INFORMATION |
  54         GROUP_SECURITY_INFORMATION;
  55
  56 void lsacl(char *);
  57
  58 void
  59 usage(void)
  60 {
  61         fprintf(stderr, "Usage: %s [-v] file ...\n", progname);
  62         exit(1);
  63 }
  64
  65 int
  66 main(int argc, char **argv)
  67 {
  68         int c;
  69
  70         progname = argv[0];
  71
  72         while ((c = getopt(argc, argv, "v")) != -1) {
  73                 switch (c) {
  74                 case 'v':
  75                         Vflag++;
  76                         break;
  77
  78                 badopt:
  79                 default:
  80                         fprintf(stderr, "%s: bad option: %c\n",
  81                             progname, c);
  82                         usage();
  83                         break;
  84                 }
  85         }
  86
  87         if (optind == argc)
  88                 usage();
  89         for (; optind < argc; optind++)
  90                 lsacl(argv[optind]);
  91
  92         return (0);
  93 }
  94
  95 void
  96 lsacl(char *file)
  97 {
  98         struct i_ntsd *sd;
  99         acl_t *acl;
 100         uid_t uid;
 101         gid_t gid;
 102         int error, fd;
 103
 104         fd = open(file, O_RDONLY, 0);
 105         if (fd < 0) {
 106                 perror(file);
 107                 exit(1);
 108         }
 109
 110         /* First, get the SD in internal form. */
 111         error = smbfs_acl_getsd(fd, selector, &sd);
 112         (void) close(fd);
 113
 114         if (error) {
 115                 fprintf(stderr, "%s: getsd, %s\n",
 116                     progname, strerror(error));
 117                 exit(1);
 118         }
 119
 120         if (Vflag) {
 121                 /*
 122                  * Print it first in Windows form.  This way,
 123                  * if any of the conversion has problems,
 124                  * one can try mapping each SID by hand, i.e.:
 125                  *    idmap show sid:S-1-xxx-yyy-zzz
 126                  */
 127                 printf("CIFS security data:\n");
 128                 smbfs_acl_print_sd(stdout, sd);
 129                 printf("\n");
 130         }
 131
 132         /*
 133          * Convert the internal SD to a ZFS ACL.
 134          */
 135         acl = acl_alloc(ACE_T);
 136         error = smbfs_acl_sd2zfs(sd, acl, &uid, &gid);
 137         if (error) {
 138                 fprintf(stderr, "%s: sd2zfs, %s\n",
 139                     progname, strerror(error));
 140                 exit(1);
 141         }
 142         smbfs_acl_free_sd(sd);
 143
 144         /*
 145          * Print it as a ZFS-style ACL (ACE_T)
 146          */
 147         printf("Solaris security data:\n");
 148         if (uid == (uid_t)-1)
 149                 printf("owner: -1\n");
 150         else
 151                 printf("owner: %u\n", uid);
 152         if (gid == (gid_t)-1)
 153                 printf("group: -1\n");
 154         else
 155                 printf("group: %u\n", gid);
 156         acl_printacl(acl, 80, 1);
 157         printf("\n");
 158
 159         acl_free(acl);
 160 }