Date: Sat, 1 May 2010 22:00:29 +0000 (UTC) From: Jilles Tjoelker <jilles@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r207483 - head/usr.bin/pathchk Message-ID: <201005012200.o41M0TUI059601@svn.freebsd.org>
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Author: jilles Date: Sat May 1 22:00:28 2010 New Revision: 207483 URL: http://svn.freebsd.org/changeset/base/207483 Log: pathchk: Add the new POSIX -P option. This option checks for empty pathnames and components starting with '-'. Our -p option also checks for the latter, which remains the case. MFC after: 1 week Modified: head/usr.bin/pathchk/pathchk.1 head/usr.bin/pathchk/pathchk.c Modified: head/usr.bin/pathchk/pathchk.1 ============================================================================== --- head/usr.bin/pathchk/pathchk.1 Sat May 1 21:59:06 2010 (r207482) +++ head/usr.bin/pathchk/pathchk.1 Sat May 1 22:00:28 2010 (r207483) @@ -27,7 +27,7 @@ .\" .\" $FreeBSD$ .\" -.Dd May 21, 2002 +.Dd May 1, 2010 .Dt PATHCHK 1 .Os .Sh NAME @@ -35,7 +35,7 @@ .Nd check pathnames .Sh SYNOPSIS .Nm -.Op Fl p +.Op Fl pP .Ar pathname ... .Sh DESCRIPTION The @@ -95,6 +95,16 @@ No component may start with the hyphen .Pq Ql \&- character. .El +.It Fl P +In addition to the default or +.Fl p +checks, write a diagnostic for each argument that: +.Bl -bullet +.It +Is empty. +.It +Contains a component that starts with a hyphen. +.El .El .Sh EXIT STATUS .Ex -std Modified: head/usr.bin/pathchk/pathchk.c ============================================================================== --- head/usr.bin/pathchk/pathchk.c Sat May 1 21:59:06 2010 (r207482) +++ head/usr.bin/pathchk/pathchk.c Sat May 1 22:00:28 2010 (r207483) @@ -51,6 +51,7 @@ static int portable(const char *); static void usage(void); static int pflag; /* Perform portability checks */ +static int Pflag; /* Check for empty paths, leading '-' */ int main(int argc, char *argv[]) @@ -58,11 +59,14 @@ main(int argc, char *argv[]) int ch, rval; const char *arg; - while ((ch = getopt(argc, argv, "p")) > 0) { + while ((ch = getopt(argc, argv, "pP")) > 0) { switch (ch) { case 'p': pflag = 1; break; + case 'P': + Pflag = 1; + break; default: usage(); /*NOTREACHED*/ @@ -102,6 +106,15 @@ check(const char *path) p = pathd; + if (Pflag && *p == '\0') { + warnx("%s: empty pathname", path); + goto bad; + } + if ((Pflag || pflag) && (*p == '-' || strstr(p, "/-") != NULL)) { + warnx("%s: contains a component starting with '-'", path); + goto bad; + } + if (!pflag) { errno = 0; namemax = pathconf(*p == '/' ? "/" : ".", _PC_NAME_MAX); @@ -182,9 +195,6 @@ portable(const char *path) "0123456789._-"; long s; - if (*path == '-') - return (*path); - s = strspn(path, charset); if (path[s] != '\0') return (path[s]);
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