2014-11-04 22:47:51 +00:00
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/* $NetBSD: spec.c,v 1.89 2014/04/24 17:22:41 christos Exp $ */
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2012-12-21 16:54:33 +00:00
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/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 2001-2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Luke Mewburn of Wasabi Systems.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)spec.c 8.2 (Berkeley) 4/28/95";
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#else
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2014-11-04 22:47:51 +00:00
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__RCSID("$NetBSD: spec.c,v 1.89 2014/04/24 17:22:41 christos Exp $");
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2012-12-21 16:54:33 +00:00
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <assert.h>
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#include <ctype.h>
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#include <errno.h>
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#include <grp.h>
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#include <pwd.h>
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#include <stdarg.h>
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#include <stdio.h>
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2013-11-26 16:12:40 +00:00
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#include <stdint.h>
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2012-12-21 16:54:33 +00:00
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <vis.h>
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#include <util.h>
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#include "extern.h"
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#include "pack_dev.h"
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size_t mtree_lineno; /* Current spec line number */
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int mtree_Mflag; /* Merge duplicate entries */
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int mtree_Wflag; /* Don't "whack" permissions */
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int mtree_Sflag; /* Sort entries */
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static dev_t parsedev(char *);
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static void replacenode(NODE *, NODE *);
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static void set(char *, NODE *);
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static void unset(char *, NODE *);
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static void addchild(NODE *, NODE *);
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static int nodecmp(const NODE *, const NODE *);
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2014-11-04 22:47:51 +00:00
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static int appendfield(FILE *, int, const char *, ...) __printflike(3, 4);
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2012-12-21 16:54:33 +00:00
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#define REPLACEPTR(x,v) do { if ((x)) free((x)); (x) = (v); } while (0)
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NODE *
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spec(FILE *fp)
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{
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NODE *centry, *last, *pathparent, *cur;
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char *p, *e, *next;
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NODE ginfo, *root;
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char *buf, *tname, *ntname;
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size_t tnamelen, plen;
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root = NULL;
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centry = last = NULL;
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tname = NULL;
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tnamelen = 0;
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memset(&ginfo, 0, sizeof(ginfo));
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for (mtree_lineno = 0;
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(buf = fparseln(fp, NULL, &mtree_lineno, NULL,
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FPARSELN_UNESCCOMM));
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free(buf)) {
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/* Skip leading whitespace. */
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for (p = buf; *p && isspace((unsigned char)*p); ++p)
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continue;
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/* If nothing but whitespace, continue. */
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if (!*p)
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continue;
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#ifdef DEBUG
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fprintf(stderr, "line %lu: {%s}\n",
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(u_long)mtree_lineno, p);
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#endif
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/* Grab file name, "$", "set", or "unset". */
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next = buf;
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while ((p = strsep(&next, " \t")) != NULL && *p == '\0')
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continue;
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if (p == NULL)
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mtree_err("missing field");
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if (p[0] == '/') {
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if (strcmp(p + 1, "set") == 0)
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set(next, &ginfo);
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else if (strcmp(p + 1, "unset") == 0)
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unset(next, &ginfo);
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else
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mtree_err("invalid specification `%s'", p);
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continue;
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}
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if (strcmp(p, "..") == 0) {
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/* Don't go up, if haven't gone down. */
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if (root == NULL)
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goto noparent;
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if (last->type != F_DIR || last->flags & F_DONE) {
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if (last == root)
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goto noparent;
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last = last->parent;
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}
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last->flags |= F_DONE;
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continue;
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noparent: mtree_err("no parent node");
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}
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plen = strlen(p) + 1;
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if (plen > tnamelen) {
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if ((ntname = realloc(tname, plen)) == NULL)
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mtree_err("realloc: %s", strerror(errno));
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tname = ntname;
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tnamelen = plen;
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}
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if (strunvis(tname, p) == -1)
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mtree_err("strunvis failed on `%s'", p);
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p = tname;
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pathparent = NULL;
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if (strchr(p, '/') != NULL) {
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cur = root;
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for (; (e = strchr(p, '/')) != NULL; p = e+1) {
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if (p == e)
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continue; /* handle // */
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*e = '\0';
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if (strcmp(p, ".") != 0) {
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while (cur &&
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strcmp(cur->name, p) != 0) {
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cur = cur->next;
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}
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}
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if (cur == NULL || cur->type != F_DIR) {
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mtree_err("%s: %s", tname,
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"missing directory in specification");
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}
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*e = '/';
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pathparent = cur;
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cur = cur->child;
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}
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if (*p == '\0')
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mtree_err("%s: empty leaf element", tname);
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}
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if ((centry = calloc(1, sizeof(NODE) + strlen(p))) == NULL)
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mtree_err("%s", strerror(errno));
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*centry = ginfo;
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centry->lineno = mtree_lineno;
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strcpy(centry->name, p);
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#define MAGIC "?*["
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if (strpbrk(p, MAGIC))
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centry->flags |= F_MAGIC;
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set(next, centry);
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if (root == NULL) {
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/*
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* empty tree
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*/
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2013-10-23 17:59:17 +00:00
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/*
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* Allow a bare "." root node by forcing it to
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* type=dir for compatibility with FreeBSD.
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*/
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if (strcmp(centry->name, ".") == 0 && centry->type == 0)
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centry->type = F_DIR;
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2012-12-21 16:54:33 +00:00
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if (strcmp(centry->name, ".") != 0 ||
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centry->type != F_DIR)
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mtree_err(
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"root node must be the directory `.'");
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last = root = centry;
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root->parent = root;
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} else if (pathparent != NULL) {
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/*
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* full path entry; add or replace
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*/
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centry->parent = pathparent;
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addchild(pathparent, centry);
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last = centry;
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} else if (strcmp(centry->name, ".") == 0) {
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/*
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* duplicate "." entry; always replace
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*/
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replacenode(root, centry);
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} else if (last->type == F_DIR && !(last->flags & F_DONE)) {
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/*
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* new relative child in current dir;
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* add or replace
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*/
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centry->parent = last;
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addchild(last, centry);
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last = centry;
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} else {
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/*
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* new relative child in parent dir
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* (after encountering ".." entry);
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* add or replace
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*/
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centry->parent = last->parent;
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addchild(last->parent, centry);
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last = centry;
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}
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}
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return (root);
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}
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void
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free_nodes(NODE *root)
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{
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NODE *cur, *next;
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if (root == NULL)
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return;
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next = NULL;
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for (cur = root; cur != NULL; cur = next) {
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next = cur->next;
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free_nodes(cur->child);
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REPLACEPTR(cur->slink, NULL);
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REPLACEPTR(cur->md5digest, NULL);
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REPLACEPTR(cur->rmd160digest, NULL);
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REPLACEPTR(cur->sha1digest, NULL);
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REPLACEPTR(cur->sha256digest, NULL);
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REPLACEPTR(cur->sha384digest, NULL);
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REPLACEPTR(cur->sha512digest, NULL);
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REPLACEPTR(cur->tags, NULL);
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REPLACEPTR(cur, NULL);
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}
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}
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/*
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* appendfield --
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2014-11-04 22:47:51 +00:00
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* Like fprintf(), but output a space either before or after
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2012-12-21 16:54:33 +00:00
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* the regular output, according to the pathlast flag.
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*/
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static int
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2014-11-04 22:47:51 +00:00
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appendfield(FILE *fp, int pathlast, const char *fmt, ...)
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2012-12-21 16:54:33 +00:00
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{
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va_list ap;
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int result;
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va_start(ap, fmt);
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if (!pathlast)
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2014-11-04 22:47:51 +00:00
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fprintf(fp, " ");
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2012-12-21 16:54:33 +00:00
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result = vprintf(fmt, ap);
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if (pathlast)
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2014-11-04 22:47:51 +00:00
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fprintf(fp, " ");
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2012-12-21 16:54:33 +00:00
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va_end(ap);
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return result;
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}
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/*
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* dump_nodes --
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* dump the NODEs from `cur', based in the directory `dir'.
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* if pathlast is none zero, print the path last, otherwise print
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* it first.
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*/
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void
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2014-11-04 22:47:51 +00:00
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dump_nodes(FILE *fp, const char *dir, NODE *root, int pathlast)
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2012-12-21 16:54:33 +00:00
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{
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NODE *cur;
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char path[MAXPATHLEN];
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const char *name;
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char *str;
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char *p, *q;
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for (cur = root; cur != NULL; cur = cur->next) {
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if (cur->type != F_DIR && !matchtags(cur))
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continue;
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if (snprintf(path, sizeof(path), "%s%s%s",
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dir, *dir ? "/" : "", cur->name)
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>= (int)sizeof(path))
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mtree_err("Pathname too long.");
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if (!pathlast)
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2014-11-04 22:47:51 +00:00
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fprintf(fp, "%s", vispath(path));
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2012-12-21 16:54:33 +00:00
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#define MATCHFLAG(f) ((keys & (f)) && (cur->flags & (f)))
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if (MATCHFLAG(F_TYPE))
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2014-11-04 22:47:51 +00:00
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appendfield(fp, pathlast, "type=%s",
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nodetype(cur->type));
|
2012-12-21 16:54:33 +00:00
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if (MATCHFLAG(F_UID | F_UNAME)) {
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if (keys & F_UNAME &&
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(name = user_from_uid(cur->st_uid, 1)) != NULL)
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2014-11-04 22:47:51 +00:00
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appendfield(fp, pathlast, "uname=%s", name);
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2012-12-21 16:54:33 +00:00
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else
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2014-11-04 22:47:51 +00:00
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appendfield(fp, pathlast, "uid=%u",
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cur->st_uid);
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2012-12-21 16:54:33 +00:00
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}
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if (MATCHFLAG(F_GID | F_GNAME)) {
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if (keys & F_GNAME &&
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|
|
(name = group_from_gid(cur->st_gid, 1)) != NULL)
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "gname=%s", name);
|
2012-12-21 16:54:33 +00:00
|
|
|
else
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "gid=%u",
|
|
|
|
cur->st_gid);
|
2012-12-21 16:54:33 +00:00
|
|
|
}
|
|
|
|
if (MATCHFLAG(F_MODE))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "mode=%#o", cur->st_mode);
|
2012-12-21 16:54:33 +00:00
|
|
|
if (MATCHFLAG(F_DEV) &&
|
|
|
|
(cur->type == F_BLOCK || cur->type == F_CHAR))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "device=%#jx",
|
2013-10-23 17:59:17 +00:00
|
|
|
(uintmax_t)cur->st_rdev);
|
2012-12-21 16:54:33 +00:00
|
|
|
if (MATCHFLAG(F_NLINK))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "nlink=%d", cur->st_nlink);
|
2012-12-21 16:54:33 +00:00
|
|
|
if (MATCHFLAG(F_SLINK))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "link=%s",
|
|
|
|
vispath(cur->slink));
|
2012-12-21 16:54:33 +00:00
|
|
|
if (MATCHFLAG(F_SIZE))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "size=%ju",
|
2013-10-23 17:59:17 +00:00
|
|
|
(uintmax_t)cur->st_size);
|
2012-12-21 16:54:33 +00:00
|
|
|
if (MATCHFLAG(F_TIME))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "time=%jd.%09ld",
|
2013-10-23 17:59:17 +00:00
|
|
|
(intmax_t)cur->st_mtimespec.tv_sec,
|
2012-12-21 16:54:33 +00:00
|
|
|
cur->st_mtimespec.tv_nsec);
|
|
|
|
if (MATCHFLAG(F_CKSUM))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "cksum=%lu", cur->cksum);
|
2012-12-21 16:54:33 +00:00
|
|
|
if (MATCHFLAG(F_MD5))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "%s=%s", MD5KEY,
|
|
|
|
cur->md5digest);
|
2012-12-21 16:54:33 +00:00
|
|
|
if (MATCHFLAG(F_RMD160))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "%s=%s", RMD160KEY,
|
2012-12-21 16:54:33 +00:00
|
|
|
cur->rmd160digest);
|
|
|
|
if (MATCHFLAG(F_SHA1))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "%s=%s", SHA1KEY,
|
2012-12-21 16:54:33 +00:00
|
|
|
cur->sha1digest);
|
|
|
|
if (MATCHFLAG(F_SHA256))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "%s=%s", SHA256KEY,
|
2012-12-21 16:54:33 +00:00
|
|
|
cur->sha256digest);
|
|
|
|
if (MATCHFLAG(F_SHA384))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "%s=%s", SHA384KEY,
|
2012-12-21 16:54:33 +00:00
|
|
|
cur->sha384digest);
|
|
|
|
if (MATCHFLAG(F_SHA512))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "%s=%s", SHA512KEY,
|
2012-12-21 16:54:33 +00:00
|
|
|
cur->sha512digest);
|
|
|
|
if (MATCHFLAG(F_FLAGS)) {
|
|
|
|
str = flags_to_string(cur->st_flags, "none");
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "flags=%s", str);
|
2012-12-21 16:54:33 +00:00
|
|
|
free(str);
|
|
|
|
}
|
|
|
|
if (MATCHFLAG(F_IGN))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "ignore");
|
2012-12-21 16:54:33 +00:00
|
|
|
if (MATCHFLAG(F_OPT))
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "optional");
|
2012-12-21 16:54:33 +00:00
|
|
|
if (MATCHFLAG(F_TAGS)) {
|
|
|
|
/* don't output leading or trailing commas */
|
|
|
|
p = cur->tags;
|
|
|
|
while (*p == ',')
|
|
|
|
p++;
|
|
|
|
q = p + strlen(p);
|
|
|
|
while(q > p && q[-1] == ',')
|
|
|
|
q--;
|
2014-11-04 22:47:51 +00:00
|
|
|
appendfield(fp, pathlast, "tags=%.*s", (int)(q - p), p);
|
2012-12-21 16:54:33 +00:00
|
|
|
}
|
|
|
|
puts(pathlast ? vispath(path) : "");
|
|
|
|
|
|
|
|
if (cur->child)
|
2014-11-04 22:47:51 +00:00
|
|
|
dump_nodes(fp, path, cur->child, pathlast);
|
2012-12-21 16:54:33 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* vispath --
|
|
|
|
* strsvis(3) encodes path, which must not be longer than MAXPATHLEN
|
|
|
|
* characters long, and returns a pointer to a static buffer containing
|
|
|
|
* the result.
|
|
|
|
*/
|
|
|
|
char *
|
|
|
|
vispath(const char *path)
|
|
|
|
{
|
|
|
|
static const char extra[] = { ' ', '\t', '\n', '\\', '#', '\0' };
|
|
|
|
static const char extra_glob[] = { ' ', '\t', '\n', '\\', '#', '*',
|
|
|
|
'?', '[', '\0' };
|
|
|
|
static char pathbuf[4*MAXPATHLEN + 1];
|
|
|
|
|
|
|
|
if (flavor == F_NETBSD6)
|
|
|
|
strsvis(pathbuf, path, VIS_CSTYLE, extra);
|
|
|
|
else
|
|
|
|
strsvis(pathbuf, path, VIS_OCTAL, extra_glob);
|
|
|
|
return pathbuf;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static dev_t
|
|
|
|
parsedev(char *arg)
|
|
|
|
{
|
|
|
|
#define MAX_PACK_ARGS 3
|
|
|
|
u_long numbers[MAX_PACK_ARGS];
|
|
|
|
char *p, *ep, *dev;
|
|
|
|
int argc;
|
|
|
|
pack_t *pack;
|
|
|
|
dev_t result;
|
|
|
|
const char *error = NULL;
|
|
|
|
|
|
|
|
if ((dev = strchr(arg, ',')) != NULL) {
|
|
|
|
*dev++='\0';
|
|
|
|
if ((pack = pack_find(arg)) == NULL)
|
|
|
|
mtree_err("unknown format `%s'", arg);
|
|
|
|
argc = 0;
|
|
|
|
while ((p = strsep(&dev, ",")) != NULL) {
|
|
|
|
if (*p == '\0')
|
|
|
|
mtree_err("missing number");
|
|
|
|
numbers[argc++] = strtoul(p, &ep, 0);
|
|
|
|
if (*ep != '\0')
|
|
|
|
mtree_err("invalid number `%s'",
|
|
|
|
p);
|
|
|
|
if (argc > MAX_PACK_ARGS)
|
|
|
|
mtree_err("too many arguments");
|
|
|
|
}
|
|
|
|
if (argc < 2)
|
|
|
|
mtree_err("not enough arguments");
|
|
|
|
result = (*pack)(argc, numbers, &error);
|
|
|
|
if (error != NULL)
|
|
|
|
mtree_err("%s", error);
|
|
|
|
} else {
|
|
|
|
result = (dev_t)strtoul(arg, &ep, 0);
|
|
|
|
if (*ep != '\0')
|
|
|
|
mtree_err("invalid device `%s'", arg);
|
|
|
|
}
|
|
|
|
return (result);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
replacenode(NODE *cur, NODE *new)
|
|
|
|
{
|
|
|
|
|
|
|
|
#define REPLACE(x) cur->x = new->x
|
|
|
|
#define REPLACESTR(x) REPLACEPTR(cur->x,new->x)
|
|
|
|
|
|
|
|
if (cur->type != new->type) {
|
|
|
|
if (mtree_Mflag) {
|
|
|
|
/*
|
|
|
|
* merge entries with different types; we
|
|
|
|
* don't want children retained in this case.
|
|
|
|
*/
|
|
|
|
REPLACE(type);
|
|
|
|
free_nodes(cur->child);
|
|
|
|
cur->child = NULL;
|
|
|
|
} else {
|
|
|
|
mtree_err(
|
|
|
|
"existing entry for `%s', type `%s'"
|
|
|
|
" does not match type `%s'",
|
|
|
|
cur->name, nodetype(cur->type),
|
|
|
|
nodetype(new->type));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
REPLACE(st_size);
|
|
|
|
REPLACE(st_mtimespec);
|
|
|
|
REPLACESTR(slink);
|
|
|
|
if (cur->slink != NULL) {
|
|
|
|
if ((cur->slink = strdup(new->slink)) == NULL)
|
|
|
|
mtree_err("memory allocation error");
|
|
|
|
if (strunvis(cur->slink, new->slink) == -1)
|
|
|
|
mtree_err("strunvis failed on `%s'", new->slink);
|
|
|
|
free(new->slink);
|
|
|
|
}
|
|
|
|
REPLACE(st_uid);
|
|
|
|
REPLACE(st_gid);
|
|
|
|
REPLACE(st_mode);
|
|
|
|
REPLACE(st_rdev);
|
|
|
|
REPLACE(st_flags);
|
|
|
|
REPLACE(st_nlink);
|
|
|
|
REPLACE(cksum);
|
|
|
|
REPLACESTR(md5digest);
|
|
|
|
REPLACESTR(rmd160digest);
|
|
|
|
REPLACESTR(sha1digest);
|
|
|
|
REPLACESTR(sha256digest);
|
|
|
|
REPLACESTR(sha384digest);
|
|
|
|
REPLACESTR(sha512digest);
|
|
|
|
REPLACESTR(tags);
|
|
|
|
REPLACE(lineno);
|
|
|
|
REPLACE(flags);
|
|
|
|
free(new);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
set(char *t, NODE *ip)
|
|
|
|
{
|
|
|
|
int type, value, len;
|
|
|
|
gid_t gid;
|
|
|
|
uid_t uid;
|
|
|
|
char *kw, *val, *md, *ep;
|
|
|
|
void *m;
|
|
|
|
|
|
|
|
while ((kw = strsep(&t, "= \t")) != NULL) {
|
|
|
|
if (*kw == '\0')
|
|
|
|
continue;
|
|
|
|
if (strcmp(kw, "all") == 0)
|
|
|
|
mtree_err("invalid keyword `all'");
|
|
|
|
ip->flags |= type = parsekey(kw, &value);
|
|
|
|
if (!value)
|
|
|
|
/* Just set flag bit (F_IGN and F_OPT) */
|
|
|
|
continue;
|
|
|
|
while ((val = strsep(&t, " \t")) != NULL && *val == '\0')
|
|
|
|
continue;
|
|
|
|
if (val == NULL)
|
|
|
|
mtree_err("missing value");
|
|
|
|
switch (type) {
|
|
|
|
case F_CKSUM:
|
|
|
|
ip->cksum = strtoul(val, &ep, 10);
|
|
|
|
if (*ep)
|
|
|
|
mtree_err("invalid checksum `%s'", val);
|
|
|
|
break;
|
|
|
|
case F_DEV:
|
|
|
|
ip->st_rdev = parsedev(val);
|
|
|
|
break;
|
|
|
|
case F_FLAGS:
|
|
|
|
if (strcmp("none", val) == 0)
|
|
|
|
ip->st_flags = 0;
|
|
|
|
else if (string_to_flags(&val, &ip->st_flags, NULL)
|
|
|
|
!= 0)
|
|
|
|
mtree_err("invalid flag `%s'", val);
|
|
|
|
break;
|
|
|
|
case F_GID:
|
|
|
|
ip->st_gid = (gid_t)strtoul(val, &ep, 10);
|
|
|
|
if (*ep)
|
|
|
|
mtree_err("invalid gid `%s'", val);
|
|
|
|
break;
|
|
|
|
case F_GNAME:
|
|
|
|
if (mtree_Wflag) /* don't parse if whacking */
|
|
|
|
break;
|
|
|
|
if (gid_from_group(val, &gid) == -1)
|
|
|
|
mtree_err("unknown group `%s'", val);
|
|
|
|
ip->st_gid = gid;
|
|
|
|
break;
|
|
|
|
case F_MD5:
|
|
|
|
if (val[0]=='0' && val[1]=='x')
|
|
|
|
md=&val[2];
|
|
|
|
else
|
|
|
|
md=val;
|
|
|
|
if ((ip->md5digest = strdup(md)) == NULL)
|
|
|
|
mtree_err("memory allocation error");
|
|
|
|
break;
|
|
|
|
case F_MODE:
|
|
|
|
if ((m = setmode(val)) == NULL)
|
|
|
|
mtree_err("cannot set file mode `%s' (%s)",
|
|
|
|
val, strerror(errno));
|
|
|
|
ip->st_mode = getmode(m, 0);
|
|
|
|
free(m);
|
|
|
|
break;
|
|
|
|
case F_NLINK:
|
|
|
|
ip->st_nlink = (nlink_t)strtoul(val, &ep, 10);
|
|
|
|
if (*ep)
|
|
|
|
mtree_err("invalid link count `%s'", val);
|
|
|
|
break;
|
|
|
|
case F_RMD160:
|
|
|
|
if (val[0]=='0' && val[1]=='x')
|
|
|
|
md=&val[2];
|
|
|
|
else
|
|
|
|
md=val;
|
|
|
|
if ((ip->rmd160digest = strdup(md)) == NULL)
|
|
|
|
mtree_err("memory allocation error");
|
|
|
|
break;
|
|
|
|
case F_SHA1:
|
|
|
|
if (val[0]=='0' && val[1]=='x')
|
|
|
|
md=&val[2];
|
|
|
|
else
|
|
|
|
md=val;
|
|
|
|
if ((ip->sha1digest = strdup(md)) == NULL)
|
|
|
|
mtree_err("memory allocation error");
|
|
|
|
break;
|
|
|
|
case F_SIZE:
|
|
|
|
ip->st_size = (off_t)strtoll(val, &ep, 10);
|
|
|
|
if (*ep)
|
|
|
|
mtree_err("invalid size `%s'", val);
|
|
|
|
break;
|
|
|
|
case F_SLINK:
|
|
|
|
if ((ip->slink = strdup(val)) == NULL)
|
|
|
|
mtree_err("memory allocation error");
|
|
|
|
if (strunvis(ip->slink, val) == -1)
|
|
|
|
mtree_err("strunvis failed on `%s'", val);
|
|
|
|
break;
|
|
|
|
case F_TAGS:
|
|
|
|
len = strlen(val) + 3; /* "," + str + ",\0" */
|
|
|
|
if ((ip->tags = malloc(len)) == NULL)
|
|
|
|
mtree_err("memory allocation error");
|
|
|
|
snprintf(ip->tags, len, ",%s,", val);
|
|
|
|
break;
|
|
|
|
case F_TIME:
|
|
|
|
ip->st_mtimespec.tv_sec =
|
|
|
|
(time_t)strtoll(val, &ep, 10);
|
|
|
|
if (*ep != '.')
|
|
|
|
mtree_err("invalid time `%s'", val);
|
|
|
|
val = ep + 1;
|
|
|
|
ip->st_mtimespec.tv_nsec = strtol(val, &ep, 10);
|
|
|
|
if (*ep)
|
|
|
|
mtree_err("invalid time `%s'", val);
|
|
|
|
break;
|
|
|
|
case F_TYPE:
|
|
|
|
ip->type = parsetype(val);
|
|
|
|
break;
|
|
|
|
case F_UID:
|
|
|
|
ip->st_uid = (uid_t)strtoul(val, &ep, 10);
|
|
|
|
if (*ep)
|
|
|
|
mtree_err("invalid uid `%s'", val);
|
|
|
|
break;
|
|
|
|
case F_UNAME:
|
|
|
|
if (mtree_Wflag) /* don't parse if whacking */
|
|
|
|
break;
|
|
|
|
if (uid_from_user(val, &uid) == -1)
|
|
|
|
mtree_err("unknown user `%s'", val);
|
|
|
|
ip->st_uid = uid;
|
|
|
|
break;
|
|
|
|
case F_SHA256:
|
|
|
|
if (val[0]=='0' && val[1]=='x')
|
|
|
|
md=&val[2];
|
|
|
|
else
|
|
|
|
md=val;
|
|
|
|
if ((ip->sha256digest = strdup(md)) == NULL)
|
|
|
|
mtree_err("memory allocation error");
|
|
|
|
break;
|
|
|
|
case F_SHA384:
|
|
|
|
if (val[0]=='0' && val[1]=='x')
|
|
|
|
md=&val[2];
|
|
|
|
else
|
|
|
|
md=val;
|
|
|
|
if ((ip->sha384digest = strdup(md)) == NULL)
|
|
|
|
mtree_err("memory allocation error");
|
|
|
|
break;
|
|
|
|
case F_SHA512:
|
|
|
|
if (val[0]=='0' && val[1]=='x')
|
|
|
|
md=&val[2];
|
|
|
|
else
|
|
|
|
md=val;
|
|
|
|
if ((ip->sha512digest = strdup(md)) == NULL)
|
|
|
|
mtree_err("memory allocation error");
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
mtree_err(
|
|
|
|
"set(): unsupported key type 0x%x (INTERNAL ERROR)",
|
|
|
|
type);
|
|
|
|
/* NOTREACHED */
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
unset(char *t, NODE *ip)
|
|
|
|
{
|
|
|
|
char *p;
|
|
|
|
|
|
|
|
while ((p = strsep(&t, " \t")) != NULL) {
|
|
|
|
if (*p == '\0')
|
|
|
|
continue;
|
|
|
|
ip->flags &= ~parsekey(p, NULL);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* addchild --
|
|
|
|
* Add the centry node as a child of the pathparent node. If
|
|
|
|
* centry is a duplicate, call replacenode(). If centry is not
|
|
|
|
* a duplicate, insert it into the linked list referenced by
|
|
|
|
* pathparent->child. Keep the list sorted if Sflag is set.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
addchild(NODE *pathparent, NODE *centry)
|
|
|
|
{
|
|
|
|
NODE *samename; /* node with the same name as centry */
|
|
|
|
NODE *replacepos; /* if non-NULL, centry should replace this node */
|
|
|
|
NODE *insertpos; /* if non-NULL, centry should be inserted
|
|
|
|
* after this node */
|
|
|
|
NODE *cur; /* for stepping through the list */
|
|
|
|
NODE *last; /* the last node in the list */
|
|
|
|
int cmp;
|
|
|
|
|
|
|
|
samename = NULL;
|
|
|
|
replacepos = NULL;
|
|
|
|
insertpos = NULL;
|
|
|
|
last = NULL;
|
|
|
|
cur = pathparent->child;
|
|
|
|
if (cur == NULL) {
|
|
|
|
/* centry is pathparent's first and only child node so far */
|
|
|
|
pathparent->child = centry;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* pathparent already has at least one other child, so add the
|
|
|
|
* centry node to the list.
|
|
|
|
*
|
|
|
|
* We first scan through the list looking for an existing node
|
|
|
|
* with the same name (setting samename), and also looking
|
|
|
|
* for the correct position to replace or insert the new node
|
|
|
|
* (setting replacepos and/or insertpos).
|
|
|
|
*/
|
|
|
|
for (; cur != NULL; last = cur, cur = cur->next) {
|
|
|
|
if (strcmp(centry->name, cur->name) == 0) {
|
|
|
|
samename = cur;
|
|
|
|
}
|
|
|
|
if (mtree_Sflag) {
|
|
|
|
cmp = nodecmp(centry, cur);
|
|
|
|
if (cmp == 0) {
|
|
|
|
replacepos = cur;
|
|
|
|
} else if (cmp > 0) {
|
|
|
|
insertpos = cur;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (! mtree_Sflag) {
|
|
|
|
if (samename != NULL) {
|
|
|
|
/* replace node with same name */
|
|
|
|
replacepos = samename;
|
|
|
|
} else {
|
|
|
|
/* add new node at end of list */
|
|
|
|
insertpos = last;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (samename != NULL) {
|
|
|
|
/*
|
|
|
|
* We found a node with the same name above. Call
|
|
|
|
* replacenode(), which will either exit with an error,
|
|
|
|
* or replace the information in the samename node and
|
|
|
|
* free the information in the centry node.
|
|
|
|
*/
|
|
|
|
replacenode(samename, centry);
|
|
|
|
if (samename == replacepos) {
|
|
|
|
/* The just-replaced node was in the correct position */
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (samename == insertpos || samename->prev == insertpos) {
|
|
|
|
/*
|
|
|
|
* We thought the new node should be just before
|
|
|
|
* or just after the replaced node, but that would
|
|
|
|
* be equivalent to just retaining the replaced node.
|
|
|
|
*/
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The just-replaced node is in the wrong position in
|
|
|
|
* the list. This can happen if sort order depends on
|
|
|
|
* criteria other than the node name.
|
|
|
|
*
|
|
|
|
* Make centry point to the just-replaced node. Unlink
|
|
|
|
* the just-replaced node from the list, and allow it to
|
|
|
|
* be insterted in the correct position later.
|
|
|
|
*/
|
|
|
|
centry = samename;
|
|
|
|
if (centry->prev)
|
|
|
|
centry->prev->next = centry->next;
|
|
|
|
else {
|
|
|
|
/* centry->next is the new head of the list */
|
|
|
|
pathparent->child = centry->next;
|
|
|
|
assert(centry->next != NULL);
|
|
|
|
}
|
|
|
|
if (centry->next)
|
|
|
|
centry->next->prev = centry->prev;
|
|
|
|
centry->prev = NULL;
|
|
|
|
centry->next = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (insertpos == NULL) {
|
|
|
|
/* insert centry at the beginning of the list */
|
|
|
|
pathparent->child->prev = centry;
|
|
|
|
centry->next = pathparent->child;
|
|
|
|
centry->prev = NULL;
|
|
|
|
pathparent->child = centry;
|
|
|
|
} else {
|
|
|
|
/* insert centry into the list just after insertpos */
|
|
|
|
centry->next = insertpos->next;
|
|
|
|
insertpos->next = centry;
|
|
|
|
centry->prev = insertpos;
|
|
|
|
if (centry->next)
|
|
|
|
centry->next->prev = centry;
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* nodecmp --
|
|
|
|
* used as a comparison function by addchild() to control the order
|
|
|
|
* in which entries appear within a list of sibling nodes. We make
|
|
|
|
* directories sort after non-directories, but otherwise sort in
|
|
|
|
* strcmp() order.
|
|
|
|
*
|
|
|
|
* Keep this in sync with dcmp() in create.c.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
nodecmp(const NODE *a, const NODE *b)
|
|
|
|
{
|
|
|
|
|
|
|
|
if ((a->type & F_DIR) != 0) {
|
|
|
|
if ((b->type & F_DIR) == 0)
|
|
|
|
return 1;
|
|
|
|
} else if ((b->type & F_DIR) != 0)
|
|
|
|
return -1;
|
|
|
|
return strcmp(a->name, b->name);
|
|
|
|
}
|