diff options
author | Cameron Katri <me@cameronkatri.com> | 2021-05-09 14:20:58 -0400 |
---|---|---|
committer | Cameron Katri <me@cameronkatri.com> | 2021-05-09 14:20:58 -0400 |
commit | 5fd83771641d15c418f747bd343ba6738d3875f7 (patch) | |
tree | 5abf0f78f680d9837dbd93d4d4c3933bb7509599 /file_cmds/chflags | |
download | apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.gz apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.zst apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.zip |
Import macOS userland
adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106
Diffstat (limited to 'file_cmds/chflags')
-rw-r--r-- | file_cmds/chflags/chflags.1 | 185 | ||||
-rw-r--r-- | file_cmds/chflags/chflags.c | 204 |
2 files changed, 389 insertions, 0 deletions
diff --git a/file_cmds/chflags/chflags.1 b/file_cmds/chflags/chflags.1 new file mode 100644 index 0000000..cb0281f --- /dev/null +++ b/file_cmds/chflags/chflags.1 @@ -0,0 +1,185 @@ +.\"- +.\" Copyright (c) 1989, 1990, 1993, 1994 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the Institute of Electrical and Electronics Engineers, Inc. +.\" +.\" 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. +.\" 4. 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. +.\" +.\" @(#)chflags.1 8.4 (Berkeley) 5/2/95 +.\" $FreeBSD: src/bin/chflags/chflags.1,v 1.30.2.1.2.1 2009/10/25 01:10:29 kensmith Exp $ +.\" +.Dd March 3, 2006 +.Dt CHFLAGS 1 +.Os +.Sh NAME +.Nm chflags +.Nd change file flags +.Sh SYNOPSIS +.Nm +.Op Fl fhv +.Oo +.Fl R +.Op Fl H | Fl L | Fl P +.Oc +.Ar flags +.Ar +.Sh DESCRIPTION +The +.Nm +utility modifies the file flags of the listed files +as specified by the +.Ar flags +operand. +.Pp +The options are as follows: +.Bl -tag -width indent +.It Fl f +Do not display a diagnostic message if +.Nm +could not modify the flags for +.Va file , +nor modify the exit status to reflect such failures. +.It Fl H +If the +.Fl R +option is specified, symbolic links on the command line are followed. +(Symbolic links encountered in the tree traversal are not followed.) +.It Fl h +If the +.Ar file +is a symbolic link, +change the file flags of the link itself rather than the file to which it points. +.It Fl L +If the +.Fl R +option is specified, all symbolic links are followed. +.It Fl P +If the +.Fl R +option is specified, no symbolic links are followed. +This is the default. +.It Fl R +Change the file flags for the file hierarchies rooted +in the files instead of just the files themselves. +.It Fl v +Cause +.Nm +to be verbose, showing filenames as the flags are modified. +If the +.Fl v +option is specified more than once, the old and new flags of the file +will also be printed, in octal notation. +.El +.Pp +The flags are specified as an octal number or a comma separated list +of keywords. +The following keywords are currently defined: +.Pp +.Bl -tag -offset indent -width ".Cm opaque" +.It Cm arch , archived +set the archived flag (super-user only) +.It Cm opaque +set the opaque flag (owner or super-user only). +[Directory is opaque when viewed through a union mount] +.It Cm nodump +set the nodump flag (owner or super-user only) +.It Cm sappnd , sappend +set the system append-only flag (super-user only) +.It Cm schg , schange , simmutable +set the system immutable flag (super-user only) +.It Cm uappnd , uappend +set the user append-only flag (owner or super-user only) +.It Cm uchg , uchange , uimmutable +set the user immutable flag (owner or super-user only) +.It Cm hidden +set the hidden flag +[Hide item from GUI] +.El +.Pp +Putting the letters +.Dq Ar no +before or removing the letters +.Dq Ar no +from a keyword causes the flag to be cleared. +For example: +.Pp +.Bl -tag -offset indent -width "nouchg" -compact +.It Ar nouchg +clear the user immutable flag (owner or super-user only) +.It Ar dump +clear the nodump flag (owner or super-user only) +.El +.Pp +Unless the +.Fl H +or +.Fl L +options are given, +.Nm +on a symbolic link always succeeds and has no effect. +The +.Fl H , +.Fl L +and +.Fl P +options are ignored unless the +.Fl R +option is specified. +In addition, these options override each other and the +command's actions are determined by the last one specified. +.Pp +You can use "ls -lO" to see the flags of existing files. +.Sh EXIT STATUS +.Ex -std +.Sh SEE ALSO +.Xr ls 1 , +.Xr chflags 2 , +.Xr stat 2 , +.Xr fts 3 , +.Xr symlink 7 +.Sh HISTORY +The +.Nm +command first appeared in +.Bx 4.4 . +.Sh BUGS +Only a limited number of utilities are +.Nm +aware. +Some of these tools include +.Xr ls 1 , +.Xr cp 1 , +.Xr find 1 , +.Xr install 1 , +.Xr dump 8 , +and +.Xr restore 8 . +In particular a tool which is not currently +.Nm +aware is the +.Xr pax 1 +utility. diff --git a/file_cmds/chflags/chflags.c b/file_cmds/chflags/chflags.c new file mode 100644 index 0000000..76c8027 --- /dev/null +++ b/file_cmds/chflags/chflags.c @@ -0,0 +1,204 @@ +/*- + * Copyright (c) 1992, 1993, 1994 + * 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. + * 4. 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 const char copyright[] = +"@(#) Copyright (c) 1992, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif + +#ifndef lint +static char sccsid[] = "@(#)chflags.c 8.5 (Berkeley) 4/1/94"; +#endif +#endif + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD: src/bin/chflags/chflags.c,v 1.26.2.1.2.1 2009/10/25 01:10:29 kensmith Exp $"); + +#include <sys/types.h> +#include <sys/stat.h> + +#include <err.h> +#include <errno.h> +#include <fts.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +static void usage(void); + +int +main(int argc, char *argv[]) +{ + FTS *ftsp; + FTSENT *p; + u_long clear, newflags, set; + long val; + int Hflag, Lflag, Rflag, fflag, hflag, vflag; + int ch, fts_options, oct, rval; + char *flags, *ep; + int (*change_flags)(const char *, u_int); + + Hflag = Lflag = Rflag = fflag = hflag = vflag = 0; + while ((ch = getopt(argc, argv, "HLPRfhv")) != -1) + switch (ch) { + case 'H': + Hflag = 1; + Lflag = 0; + break; + case 'L': + Lflag = 1; + Hflag = 0; + break; + case 'P': + Hflag = Lflag = 0; + break; + case 'R': + Rflag = 1; + break; + case 'f': + fflag = 1; + break; + case 'h': + hflag = 1; + break; + case 'v': + vflag++; + break; + case '?': + default: + usage(); + } + argv += optind; + argc -= optind; + + if (argc < 2) + usage(); + + if (Rflag) { + fts_options = FTS_PHYSICAL; + if (hflag) + errx(1, "the -R and -h options " + "may not be specified together"); + if (Hflag) + fts_options |= FTS_COMFOLLOW; + if (Lflag) { + fts_options &= ~FTS_PHYSICAL; + fts_options |= FTS_LOGICAL; + } + } else + fts_options = hflag ? FTS_PHYSICAL : FTS_LOGICAL; + + if (hflag) + change_flags = lchflags; + else + change_flags = chflags; + + flags = *argv; + if (*flags >= '0' && *flags <= '7') { + errno = 0; + val = strtol(flags, &ep, 8); + if (val < 0) + errno = ERANGE; + if (errno) + err(1, "invalid flags: %s", flags); + if (*ep) + errx(1, "invalid flags: %s", flags); + set = val; + oct = 1; + } else { + if (strtofflags(&flags, &set, &clear)) + errx(1, "invalid flag: %s", flags); + clear = ~clear; + oct = 0; + } + + if ((ftsp = fts_open(++argv, fts_options , 0)) == NULL) + err(1, NULL); + + for (rval = 0; (p = fts_read(ftsp)) != NULL;) { + switch (p->fts_info) { + case FTS_D: /* Change it at FTS_DP if we're recursive. */ + if (!Rflag) + fts_set(ftsp, p, FTS_SKIP); + continue; + case FTS_DNR: /* Warn, chflag, continue. */ + warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); + rval = 1; + break; + case FTS_ERR: /* Warn, continue. */ + case FTS_NS: + warnx("%s: %s", p->fts_path, strerror(p->fts_errno)); + rval = 1; + continue; + case FTS_SL: /* Ignore. */ + case FTS_SLNONE: + /* + * The only symlinks that end up here are ones that + * don't point to anything and ones that we found + * doing a physical walk. + */ + if (!hflag) + continue; + /* FALLTHROUGH */ + default: + break; + } + if (oct) + newflags = set; + else + newflags = (p->fts_statp->st_flags | set) & clear; + if (newflags == p->fts_statp->st_flags) + continue; + if ((*change_flags)(p->fts_accpath, (u_int)newflags) && !fflag) { + warn("%s", p->fts_path); + rval = 1; + } else if (vflag) { + (void)printf("%s", p->fts_path); + if (vflag > 1) + (void)printf(": 0%lo -> 0%lo", + (u_long)p->fts_statp->st_flags, + newflags); + (void)printf("\n"); + } + } + if (errno) + err(1, "fts_read"); + exit(rval); +} + +static void +usage(void) +{ + (void)fprintf(stderr, + "usage: chflags [-fhv] [-R [-H | -L | -P]] flags file ...\n"); + exit(1); +} |