From: Thomas Cort Date: Mon, 28 Oct 2013 13:22:29 +0000 (-0400) Subject: Importing usr.bin/pathchk X-Git-Tag: v3.3.0~717 X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=ed31a90dd5e19f8672a02662a6939925f5f6a5cf;p=minix.git Importing usr.bin/pathchk No Minix-specific changes needed. Change-Id: Ieff3f98a35f93f3e2fa613802327c37ce4878b86 --- diff --git a/distrib/sets/lists/minix/mi b/distrib/sets/lists/minix/mi index 006209e9d..4f6433ceb 100644 --- a/distrib/sets/lists/minix/mi +++ b/distrib/sets/lists/minix/mi @@ -427,6 +427,7 @@ ./usr/bin/passwd minix-sys ./usr/bin/paste minix-sys ./usr/bin/patch minix-sys +./usr/bin/pathchk minix-sys ./usr/bin/pax minix-sys obsolete ./usr/bin/ping minix-sys ./usr/bin/pkgin_all minix-sys @@ -2008,6 +2009,7 @@ ./usr/man/man1/passwd.1 minix-sys ./usr/man/man1/paste.1 minix-sys ./usr/man/man1/patch.1 minix-sys +./usr/man/man1/pathchk.1 minix-sys ./usr/man/man1/pax.1 minix-sys ./usr/man/man1/ping.1 minix-sys ./usr/man/man1/pkg_view.1 minix-sys diff --git a/releasetools/nbsd_ports b/releasetools/nbsd_ports index d28f4212b..842f78cfc 100644 --- a/releasetools/nbsd_ports +++ b/releasetools/nbsd_ports @@ -196,6 +196,7 @@ 2010/05/14 17:28:23,usr.bin/newgrp 2012/10/17 12:00:00,usr.bin/passwd 2012/10/17 12:00:00,usr.bin/paste +2012/10/17 12:00:00,usr.bin/pathchk 2013/10/24 12:00:00,usr.bin/pr 2013/10/17 12:00:00,usr.bin/printenv 2012/10/17 12:00:00,usr.bin/printf diff --git a/usr.bin/Makefile b/usr.bin/Makefile index 6d4d889f4..83fe0a438 100644 --- a/usr.bin/Makefile +++ b/usr.bin/Makefile @@ -19,7 +19,7 @@ SUBDIR= asa \ mkdep mktemp \ \ nbperf newgrp nice nl nohup nvi \ - passwd paste pr \ + passwd paste pathchk pr \ printenv printf pwhash \ renice rev \ \ diff --git a/usr.bin/pathchk/Makefile b/usr.bin/pathchk/Makefile new file mode 100644 index 000000000..789e8e2ef --- /dev/null +++ b/usr.bin/pathchk/Makefile @@ -0,0 +1,6 @@ +# $NetBSD: Makefile,v 1.2 2009/04/14 22:15:25 lukem Exp $ + +PROG= pathchk +SRCS= pathchk.c + +.include diff --git a/usr.bin/pathchk/pathchk.1 b/usr.bin/pathchk/pathchk.1 new file mode 100644 index 000000000..d7f5a4374 --- /dev/null +++ b/usr.bin/pathchk/pathchk.1 @@ -0,0 +1,123 @@ +.\" $NetBSD: pathchk.1,v 1.6 2010/11/16 23:59:02 wiz Exp $ +.\" +.\" Copyright (c) 2001, 2002 Chuck Rouillard +.\" 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. The name of the author may not be used to endorse or promote +.\" products derived from this software without specific prior written +.\" permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. +.\" +.\" from FreeBSD: pathchk.1,v 1.3 2002/12/12 17:26:01 ru Exp +.\" +.Dd November 9, 2010 +.Dt PATHCHK 1 +.Os +.Sh NAME +.Nm pathchk +.Nd check pathnames +.Sh SYNOPSIS +.Nm +.Op Fl p +.Ar pathname ... +.Sh DESCRIPTION +The +.Nm +utility checks whether each of the specified +.Ar pathname +arguments is valid or portable. +.Pp +A diagnostic message is written for each argument that: +.Bl -bullet +.It +Is longer than +.Dv PATH_MAX +bytes. +.It +Contains any component longer than +.Dv NAME_MAX +bytes. +(The value of +.Dv NAME_MAX +depends on the underlying file system.) +.It +Contains a directory component that is not searchable. +.El +.Pp +It is not considered an error if a +.Ar pathname +argument contains a nonexistent component as long as a component by that +name could be created. +.Pp +The options are as follows: +.Bl -tag -width indent +.It Fl p +Perform portability checks on the specified +.Ar pathname +arguments. +Diagnostic messages will be written for each argument that: +.Bl -bullet +.It +Is longer than +.Dv _POSIX_PATH_MAX +.Pq 255 +bytes. +.It +Contains a component longer than +.Dv _POSIX_NAME_MAX +.Pq 14 +bytes. +.It +Contains any character not in the portable filename character set (that is, +alphanumeric characters, +.Ql \&. , +.Ql \&- +and +.Ql _ ) . +No component may start with the hyphen +.Pq Ql \&- +character. +.El +.El +.Sh EXAMPLES +Check whether the names of files in the current directory are portable to +other +.Tn POSIX +systems: +.Pp +.Dl "find . -exec pathchk -p \e{\e} +" +or the more efficient: +.Dl "find . -print0 | xargs -0 pathchk -p" +.Sh SEE ALSO +.Xr getconf 1 , +.Xr pathconf 2 , +.Xr stat 2 +.Sh STANDARDS +The +.Nm +utility conforms to +.St -p1003.1-2001 . +.Sh HISTORY +A +.Nm +utility appeared in +.Nx 2.0 . diff --git a/usr.bin/pathchk/pathchk.c b/usr.bin/pathchk/pathchk.c new file mode 100644 index 000000000..0f7f5c100 --- /dev/null +++ b/usr.bin/pathchk/pathchk.c @@ -0,0 +1,191 @@ +/* $NetBSD: pathchk.c,v 1.2 2011/09/16 15:39:28 joerg Exp $ */ + +/*- + * Copyright (c) 2002 Tim J. Robbins. + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + * + * from FreeBSD: pathchk.c,v 1.4 2002/12/15 00:40:47 tjr Exp + */ + +#include +#ifndef lint +__RCSID("$NetBSD: pathchk.c,v 1.2 2011/09/16 15:39:28 joerg Exp $"); +#endif /* !lint */ + +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +static int check(const char *); +static int portable(const char *); +__dead static void usage(void); + +static int pflag; /* Perform portability checks */ + +int +main(int argc, char *argv[]) +{ + int ch, rval; + const char *arg; + + while ((ch = getopt(argc, argv, "p")) > 0) { + switch (ch) { + case 'p': + pflag = 1; + break; + default: + usage(); + /*NOTREACHED*/ + } + } + argc -= optind; + argv += optind; + + if (argc == 0) + usage(); + + rval = 0; + while ((arg = *argv++) != NULL) + rval |= check(arg); + + exit(rval); +} + +static void +usage(void) +{ + + fprintf(stderr, "usage: pathchk [-p] pathname...\n"); + exit(1); +} + +static int +check(const char *path) +{ + struct stat sb; + long complen, namemax, pathmax, svnamemax; + int badch, last; + char *end, *p, *pathd; + + if ((pathd = strdup(path)) == NULL) + err(1, "strdup"); + + p = pathd; + + if (!pflag) { + errno = 0; + namemax = pathconf(*p == '/' ? "/" : ".", _PC_NAME_MAX); + if (namemax == -1 && errno != 0) + namemax = NAME_MAX; + } else + namemax = _POSIX_NAME_MAX; + + for (;;) { + p += strspn(p, "/"); + complen = (long)strcspn(p, "/"); + end = p + complen; + last = *end == '\0'; + *end = '\0'; + + if (namemax != -1 && complen > namemax) { + warnx("%s: %s: component too long (limit %ld)", path, + p, namemax); + goto bad; + } + + if (!pflag && stat(pathd, &sb) == -1 && errno != ENOENT) { + warn("%s: %.*s", path, (int)(strlen(pathd) - + complen - 1), pathd); + goto bad; + } + + if (pflag && (badch = portable(p)) >= 0) { + warnx("%s: %s: component contains non-portable " + "character `%c'", path, p, badch); + goto bad; + } + + if (last) + break; + + if (!pflag) { + errno = 0; + svnamemax = namemax; + namemax = pathconf(pathd, _PC_NAME_MAX); + if (namemax == -1 && errno != 0) + namemax = svnamemax; + } + + *end = '/'; + p = end + 1; + } + + if (!pflag) { + errno = 0; + pathmax = pathconf(path, _PC_PATH_MAX); + if (pathmax == -1 && errno != 0) + pathmax = PATH_MAX; + } else + pathmax = _POSIX_PATH_MAX; + if (pathmax != -1 && strlen(path) >= (size_t)pathmax) { + warnx("%s: path too long (limit %ld)", path, pathmax - 1); + goto bad; + } + + free(pathd); + return (0); + +bad: free(pathd); + return (1); +} + +/* + * Check whether a path component contains only portable characters. Return + * the first non-portable character found. + */ +static int +portable(const char *path) +{ + static const char charset[] = + "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "0123456789._-"; + long s; + + if (*path == '-') + return (*path); + + s = strspn(path, charset); + if (path[s] != '\0') + return (path[s]); + + return (-1); +}