diff options
Diffstat (limited to 'file_cmds/mtree/misc.c')
| -rw-r--r-- | file_cmds/mtree/misc.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/file_cmds/mtree/misc.c b/file_cmds/mtree/misc.c new file mode 100644 index 0000000..66e566e --- /dev/null +++ b/file_cmds/mtree/misc.c @@ -0,0 +1,189 @@ +/*- + * 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. + */ + +#if 0 +#ifndef lint +static char sccsid[] = "@(#)misc.c 8.1 (Berkeley) 6/6/93"; +#endif /*not lint */ +#endif +#include <sys/cdefs.h> +#include <errno.h> +__FBSDID("$FreeBSD: src/usr.sbin/mtree/misc.c,v 1.16 2005/03/29 11:44:17 tobez Exp $"); + +#include <sys/types.h> +#include <sys/stat.h> +#include <err.h> +#include <fts.h> +#include <stdint.h> +#include <stdio.h> +#include <unistd.h> +#include "metrics.h" +#include "mtree.h" +#include "extern.h" +#import <sys/attr.h> +#include <vis.h> + +typedef struct _key { + const char *name; /* key name */ + u_int val; /* value */ + +#define NEEDVALUE 0x01 + u_int flags; +} KEY; + +/* NB: the following table must be sorted lexically. */ +static KEY keylist[] = { + {"acldigest", F_ACL, NEEDVALUE}, + {"atime", F_ATIME, NEEDVALUE}, + {"btime", F_BTIME, NEEDVALUE}, + {"cksum", F_CKSUM, NEEDVALUE}, + {"ctime", F_CTIME, NEEDVALUE}, + {"flags", F_FLAGS, NEEDVALUE}, + {"gid", F_GID, NEEDVALUE}, + {"gname", F_GNAME, NEEDVALUE}, + {"ignore", F_IGN, 0}, + {"inode", F_INODE, NEEDVALUE}, + {"link", F_SLINK, NEEDVALUE}, +#ifdef ENABLE_MD5 + {"md5digest", F_MD5, NEEDVALUE}, +#endif + {"mode", F_MODE, NEEDVALUE}, + {"nlink", F_NLINK, NEEDVALUE}, + {"nochange", F_NOCHANGE, 0}, + {"ptime", F_PTIME, NEEDVALUE}, +#ifdef ENABLE_RMD160 + {"ripemd160digest", F_RMD160, NEEDVALUE}, +#endif +#ifdef ENABLE_SHA1 + {"sha1digest", F_SHA1, NEEDVALUE}, +#endif +#ifdef ENABLE_SHA256 + {"sha256digest", F_SHA256, NEEDVALUE}, +#endif + {"siblingid", F_SIBLINGID, NEEDVALUE}, + {"size", F_SIZE, NEEDVALUE}, + {"time", F_TIME, NEEDVALUE}, + {"type", F_TYPE, NEEDVALUE}, + {"uid", F_UID, NEEDVALUE}, + {"uname", F_UNAME, NEEDVALUE}, + {"xattrsdigest", F_XATTRS, NEEDVALUE}, +}; + +int keycompare(const void *, const void *); + +u_int +parsekey(char *name, int *needvaluep) +{ + KEY *k, tmp; + + tmp.name = name; + k = (KEY *)bsearch(&tmp, keylist, sizeof(keylist) / sizeof(KEY), + sizeof(KEY), keycompare); + if (k == NULL) { + RECORD_FAILURE(107, EINVAL); + errx(1, "line %d: unknown keyword %s", lineno, name); + } + + if (needvaluep) + *needvaluep = k->flags & NEEDVALUE ? 1 : 0; + return (k->val); +} + +int +keycompare(const void *a, const void *b) +{ + return (strcmp(((const KEY *)a)->name, ((const KEY *)b)->name)); +} + +char * +flags_to_string(u_long fflags) +{ + int error = 0; + char *string; + + string = fflagstostr(fflags); + if (string != NULL && *string == '\0') { + free(string); + string = strdup("none"); + } + if (string == NULL) { + error = errno; + RECORD_FAILURE(108, error); + errc(1, error, NULL); + } + + return string; +} + +// escape path and always return a new string so it can be freed +char * +escape_path(char *string) +{ + char *escapedPath = calloc(1, strlen(string) * 4 + 1); + if (escapedPath == NULL) { + RECORD_FAILURE(109, ENOMEM); + errx(1, "escape_path(): calloc() failed"); + } + strvis(escapedPath, string, VIS_NL | VIS_CSTYLE | VIS_OCTAL); + + return escapedPath; +} + +struct ptimebuf { + uint32_t length; + attribute_set_t returned_attrs; + struct timespec st_ptimespec; +} __attribute__((aligned(4), packed)); + +// ptime is not supported on root filesystems or HFS filesystems older than the feature being introduced +struct timespec +ptime(char *path, int *supported) { + + int error = 0; + int ret = 0; + struct ptimebuf buf; + struct attrlist list = { + .bitmapcount = ATTR_BIT_MAP_COUNT, + .commonattr = ATTR_CMN_RETURNED_ATTRS | ATTR_CMN_ADDEDTIME, + }; + ret = getattrlist(path, &list, &buf, sizeof(buf), FSOPT_NOFOLLOW); + if (ret) { + error = errno; + RECORD_FAILURE(110, error); + errc(1, error, "ptime: getattrlist"); + } + + *supported = 0; + if (buf.returned_attrs.commonattr & ATTR_CMN_ADDEDTIME) { + *supported = 1; + } + + return buf.st_ptimespec; + +} |