src/platform/DARWIN/afssettings.m

   1 /*
   2  * Copyright (c) 1992, 1993, 1994
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software donated to Berkeley by
   6  * Jan-Simon Pendry.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by the University of
  19  *      California, Berkeley and its contributors.
  20  * 4. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36
  37 #include <stdio.h>
  38 #include <sys/types.h>
  39 #include <sys/mount.h>
  40 #include <sys/sysctl.h>
  41 #include <ctype.h>
  42
  43 #include <afs/sysctl.h>
  44
  45 #include <CoreFoundation/CFString.h>
  46 #include <Foundation/Foundation.h>
  47
  48 enum Type {
  49     Node = 0,
  50     LeafNum,
  51     LeafStr
  52 };
  53
  54 typedef struct oidsetting {
  55     NSString *key;
  56     int selector;
  57     enum Type type;
  58     struct oidsetting *children;
  59 } Setting;
  60
  61 int
  62 mygetvfsbyname(const char *fsname, struct vfsconf *vfcp, Setting *s, int myoid[])
  63 {
  64     int maxtypenum, cnt;
  65     size_t buflen;
  66
  67     myoid[0] = CTL_VFS;
  68     myoid[1] = VFS_GENERIC;
  69     myoid[2] = VFS_MAXTYPENUM;
  70     buflen = 4;
  71     if (sysctl(myoid, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0)
  72     {
  73         return (-1);
  74     }
  75     myoid[2] = VFS_CONF;
  76     buflen = sizeof * vfcp;
  77     for (cnt = 0; cnt < maxtypenum; cnt++)
  78     {
  79         myoid[3] = cnt;
  80         if (sysctl(myoid, 4, vfcp, &buflen, (void *)0, (size_t)0) < 0)
  81         {
  82             if (errno != EOPNOTSUPP && errno != ENOENT && errno != ENOTSUP)
  83             {
  84                 return (-1);
  85             }
  86             continue;
  87         }
  88         if (!strcmp(fsname, vfcp->vfc_name))
  89         {
  90             s->selector = vfcp->vfc_typenum;
  91             return (0);
  92         }
  93     }
  94     errno = ENOENT;
  95     return (-1);
  96 }
  97
  98 void
  99 oiderror(int *oid, int oidlen, enum Type type, void *obj)
 100 {
 101     fprintf(stderr, "sysctl ");
 102     while (1) {
 103         fprintf(stderr, "%d", *oid++);
 104         if(--oidlen <= 0)
 105             break;
 106         fprintf(stderr, "%c", '.');
 107     }
 108     fprintf(stderr, " => ");
 109     if (type == LeafNum)
 110         fprintf(stderr, "%d\n", *(int *)obj);
 111     else
 112         fprintf(stderr, "%s\n", (char *)obj);
 113
 114     return;
 115 }
 116
 117 void
 118 recurse(id obj, Setting *s, int level, int myoid[])
 119 {
 120     Setting *child;
 121     id newobj;
 122     int intval;
 123     const char *cp;
 124
 125     myoid[level] = s->selector;
 126     switch(s->type) {
 127     case Node:
 128         for(child = s->children; child->key; child++) {
 129             if(child->type == Node && !child->children)
 130                 continue;
 131             newobj = [obj objectForKey: child->key];
 132             if(newobj)
 133               recurse(newobj, child, level+1, myoid);
 134         }
 135         break;
 136     case LeafNum:
 137         intval = [obj intValue];
 138         if(sysctl(myoid, level+1, NULL, NULL, &intval, sizeof(intval)) < 0)
 139             oiderror(myoid, level+1, s->type, &intval);
 140         break;
 141     case LeafStr:
 142         cp = [obj UTF8String];
 143         if(sysctl(myoid, level+1, NULL, NULL, (void *)cp, strlen(cp)) < 0)
 144             oiderror(myoid, level+1, s->type, &cp);
 145         break;
 146     }
 147 }
 148
 149 Setting sysctl_darwin_all[] = {
 150     {@"RealModes", AFS_SC_DARWIN_ALL_REALMODES, LeafNum, NULL},
 151     {@"FSEvents", AFS_SC_DARWIN_ALL_FSEVENTS, LeafNum, NULL},
 152     {@"Bulkstat", AFS_SC_DARWIN_ALL_BULKSTAT, LeafNum, NULL},
 153     {NULL, 0, 0, NULL}
 154 };
 155 Setting sysctl_darwin[] = {
 156     {@"All", AFS_SC_DARWIN_ALL, Node, sysctl_darwin_all},
 157     {@"Darwin60", AFS_SC_DARWIN_60, Node, NULL},
 158     {@"Darwin70", AFS_SC_DARWIN_70, Node, NULL},
 159     {@"Darwin80", AFS_SC_DARWIN_80, Node, NULL},
 160     {@"Darwin90", AFS_SC_DARWIN_90, Node, NULL},
 161     {@"Darwin100", AFS_SC_DARWIN_100, Node, NULL},
 162     {@"Darwin110", AFS_SC_DARWIN_110, Node, NULL},
 163     {@"Darwin120", AFS_SC_DARWIN_120, Node, NULL},
 164     {@"Darwin130", AFS_SC_DARWIN_130, Node, NULL},
 165     {@"Darwin140", AFS_SC_DARWIN_140, Node, NULL},
 166     {NULL, 0, 0, NULL}
 167 };
 168 Setting sysctl_first[] = {
 169     {@"All", AFS_SC_ALL, Node, NULL},
 170     {@"Darwin", AFS_SC_DARWIN, Node, sysctl_darwin},
 171     {NULL, 0, 0, NULL}
 172 };
 173 Setting sysctl_top = {NULL, -1, Node, sysctl_first};
 174
 175 int
 176 main(int argc, char **argv)
 177 {
 178     struct vfsconf vfcp;
 179     NSData *plistData;
 180     id plist;
 181     NSAutoreleasePool * nspool = [[NSAutoreleasePool alloc] init];
 182     NSString *plistpath = @"/var/db/openafs/etc/config/settings.plist";
 183     int oid[CTL_MAXNAME] = {CTL_VFS};
 184
 185     if (mygetvfsbyname("afs", &vfcp, &sysctl_top, oid) != 0)
 186         exit(-1);
 187     plistData = [NSData dataWithContentsOfFile: plistpath];
 188     if(plistData) {
 189         plist = [NSPropertyListSerialization propertyListWithData: plistData
 190                                              options: NSPropertyListImmutable
 191                                              format: NULL
 192                                              error: NULL
 193             ];
 194         if (!plist) {
 195             NSLog(@"Error reading plist from file '%s'", [plistpath UTF8String]);
 196             [nspool release];
 197             return -1;
 198         }
 199
 200         recurse(plist, &sysctl_top, 1, oid);
 201     }
 202     [nspool release];
 203     return 0;
 204 }