NetBSD-5.0.2/usr.sbin/mtree/misc.c
/* $NetBSD: misc.c,v 1.29 2006/10/16 00:11:57 christos Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS 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.
*
* @(#)misc.c 8.1 (Berkeley) 6/6/93
*/
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
__RCSID("$NetBSD: misc.c,v 1.29 2006/10/16 00:11:57 christos Exp $");
#endif /* not lint */
#include <sys/types.h>
#include <sys/stat.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "extern.h"
typedef struct _key {
const char *name; /* key name */
u_int val; /* value */
#define NEEDVALUE 0x01
u_int flags;
} KEY;
/* NB: the following tables must be sorted lexically. */
static KEY keylist[] = {
{"cksum", F_CKSUM, NEEDVALUE},
{"device", F_DEV, NEEDVALUE},
{"flags", F_FLAGS, NEEDVALUE},
{"gid", F_GID, NEEDVALUE},
{"gname", F_GNAME, NEEDVALUE},
{"ignore", F_IGN, 0},
{"link", F_SLINK, NEEDVALUE},
{"md5", F_MD5, NEEDVALUE},
{"md5digest", F_MD5, NEEDVALUE},
{"mode", F_MODE, NEEDVALUE},
{"nlink", F_NLINK, NEEDVALUE},
{"optional", F_OPT, 0},
{"rmd160", F_RMD160, NEEDVALUE},
{"rmd160digest",F_RMD160, NEEDVALUE},
{"sha1", F_SHA1, NEEDVALUE},
{"sha1digest", F_SHA1, NEEDVALUE},
{"sha256", F_SHA256, NEEDVALUE},
{"sha256digest",F_SHA256, NEEDVALUE},
{"sha384", F_SHA384, NEEDVALUE},
{"sha384digest",F_SHA384, NEEDVALUE},
{"sha512", F_SHA512, NEEDVALUE},
{"sha512digest",F_SHA512, NEEDVALUE},
{"size", F_SIZE, NEEDVALUE},
{"tags", F_TAGS, NEEDVALUE},
{"time", F_TIME, NEEDVALUE},
{"type", F_TYPE, NEEDVALUE},
{"uid", F_UID, NEEDVALUE},
{"uname", F_UNAME, NEEDVALUE}
};
static KEY typelist[] = {
{"block", F_BLOCK, 0},
{"char", F_CHAR, 0},
{"dir", F_DIR, 0},
#ifdef S_IFDOOR
{"door", F_DOOR, 0},
#endif
{"fifo", F_FIFO, 0},
{"file", F_FILE, 0},
{"link", F_LINK, 0},
{"socket", F_SOCK, 0},
};
slist_t excludetags, includetags;
int keys = KEYDEFAULT;
int keycompare(const void *, const void *);
u_int
parsekey(const char *name, int *needvaluep)
{
static int allbits;
KEY *k, tmp;
if (allbits == 0) {
int i;
for (i = 0; i < sizeof(keylist) / sizeof(KEY); i++)
allbits |= keylist[i].val;
}
tmp.name = name;
if (strcmp(name, "all") == 0)
return (allbits);
k = (KEY *)bsearch(&tmp, keylist, sizeof(keylist) / sizeof(KEY),
sizeof(KEY), keycompare);
if (k == NULL)
mtree_err("unknown keyword `%s'", name);
if (needvaluep)
*needvaluep = k->flags & NEEDVALUE ? 1 : 0;
return (k->val);
}
u_int
parsetype(const char *name)
{
KEY *k, tmp;
tmp.name = name;
k = (KEY *)bsearch(&tmp, typelist, sizeof(typelist) / sizeof(KEY),
sizeof(KEY), keycompare);
if (k == NULL)
mtree_err("unknown file type `%s'", name);
return (k->val);
}
int
keycompare(const void *a, const void *b)
{
return (strcmp(((const KEY *)a)->name, ((const KEY *)b)->name));
}
void
mtree_err(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vwarnx(fmt, ap);
va_end(ap);
if (mtree_lineno)
warnx("failed at line %lu of the specification",
(u_long) mtree_lineno);
exit(1);
/* NOTREACHED */
}
void
addtag(slist_t *list, char *elem)
{
#define TAG_CHUNK 20
if ((list->count % TAG_CHUNK) == 0) {
char **new;
new = (char **)realloc(list->list, (list->count + TAG_CHUNK)
* sizeof(char *));
if (new == NULL)
mtree_err("memory allocation error");
list->list = new;
}
list->list[list->count] = elem;
list->count++;
}
void
parsetags(slist_t *list, char *args)
{
char *p, *e;
int len;
if (args == NULL) {
addtag(list, NULL);
return;
}
while ((p = strsep(&args, ",")) != NULL) {
if (*p == '\0')
continue;
len = strlen(p) + 3; /* "," + p + ",\0" */
if ((e = malloc(len)) == NULL)
mtree_err("memory allocation error");
snprintf(e, len, ",%s,", p);
addtag(list, e);
}
}
/*
* matchtags
* returns 0 if there's a match from the exclude list in the node's tags,
* or there's an include list and no match.
* return 1 otherwise.
*/
int
matchtags(NODE *node)
{
int i;
if (node->tags) {
for (i = 0; i < excludetags.count; i++)
if (strstr(node->tags, excludetags.list[i]))
break;
if (i < excludetags.count)
return (0);
for (i = 0; i < includetags.count; i++)
if (strstr(node->tags, includetags.list[i]))
break;
if (i > 0 && i == includetags.count)
return (0);
} else if (includetags.count > 0) {
return (0);
}
return (1);
}
u_int
nodetoino(u_int type)
{
switch (type) {
case F_BLOCK:
return S_IFBLK;
case F_CHAR:
return S_IFCHR;
case F_DIR:
return S_IFDIR;
case F_FIFO:
return S_IFIFO;
case F_FILE:
return S_IFREG;
case F_LINK:
return S_IFLNK;
#ifdef S_IFSOCK
case F_SOCK:
return S_IFSOCK;
#endif
default:
printf("unknown type %d", type);
abort();
}
/* NOTREACHED */
}
const char *
nodetype(u_int type)
{
return (inotype(nodetoino(type)));
}
const char *
inotype(u_int type)
{
switch (type & S_IFMT) {
case S_IFBLK:
return ("block");
case S_IFCHR:
return ("char");
case S_IFDIR:
return ("dir");
case S_IFIFO:
return ("fifo");
case S_IFREG:
return ("file");
case S_IFLNK:
return ("link");
#ifdef S_IFSOCK
case S_IFSOCK:
return ("socket");
#endif
#ifdef S_IFDOOR
case S_IFDOOR:
return ("door");
#endif
default:
return ("unknown");
}
/* NOTREACHED */
}