Date: Tue, 03 Sep 2019 14:07:41 -0000 From: Mariusz Zaborski <oshogbo@freebsd.org> To: Adrian Chadd <adrian.chadd@gmail.com> Cc: src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r345875 - in head: contrib/elftoolchain/strings usr.bin/strings Message-ID: <20190415024246.GA36864@x-wing> In-Reply-To: <CAJ-Vmon=bjqSHP0c2LQ6gUAQeLfA=XkQCDsXQvCRiCORTYOUpg@mail.gmail.com> References: <201904041632.x34GWR4Z006164@repo.freebsd.org> <CAJ-Vmon=bjqSHP0c2LQ6gUAQeLfA=XkQCDsXQvCRiCORTYOUpg@mail.gmail.com>
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--IS0zKkzwUGydFO0o Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Apr 14, 2019 at 08:19:22AM -0700, Adrian Chadd wrote: > This exposed a fun bug - gcc mips 6.4.0 complains about an unused arg (fa) > in fileargs_fopen() in the strings change when you compile without casper > support. I do that on mips. >=20 > I have a local change that converts the #define to an inline function so > the unused arg can be (void)'ed away. Mind if I commit it? Sounds good to me. Although you don't have an issue with others services? --=20 Mariusz Zaborski oshogbo//vx | http://oshogbo.vexillium.org FreeBSD committer | https://freebsd.org Software developer | http://wheelsystems.com If it's not broken, let's fix it till it is!!1 >=20 > On Thu, 4 Apr 2019 at 09:32, Mariusz Zaborski <oshogbo@freebsd.org> wrote: >=20 > > Author: oshogbo > > Date: Thu Apr 4 16:32:27 2019 > > New Revision: 345875 > > URL: https://svnweb.freebsd.org/changeset/base/345875 > > > > Log: > > strings: capsicumize it > > > > Reviewed by: cem > > Discussed with: emaste > > Differential Revision: https://reviews.freebsd.org/D18038 > > > > Modified: > > head/contrib/elftoolchain/strings/strings.c > > head/usr.bin/strings/Makefile > > > > Modified: head/contrib/elftoolchain/strings/strings.c > > > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D > > --- head/contrib/elftoolchain/strings/strings.c Thu Apr 4 12:02:48 2019 > > (r345874) > > +++ head/contrib/elftoolchain/strings/strings.c Thu Apr 4 16:32:27 2019 > > (r345875) > > @@ -25,8 +25,10 @@ > > */ > > > > #include <sys/types.h> > > +#include <sys/capsicum.h> > > #include <sys/stat.h> > > > > +#include <capsicum_helpers.h> > > #include <ctype.h> > > #include <err.h> > > #include <errno.h> > > @@ -44,6 +46,9 @@ > > #include <libelftc.h> > > #include <gelf.h> > > > > +#include <libcasper.h> > > +#include <casper/cap_fileargs.h> > > + > > #include "_elftc.h" > > > > ELFTC_VCSID("$Id: strings.c 3648 2018-11-22 23:26:43Z emaste $"); > > @@ -85,7 +90,7 @@ static struct option strings_longopts[] =3D { > > }; > > > > int getcharacter(FILE *, long *); > > -int handle_file(const char *); > > +int handle_file(fileargs_t *fa, const char *); > > int handle_elf(const char *, FILE *); > > int handle_binary(const char *, FILE *, size_t); > > int find_strings(const char *, FILE *, off_t, off_t); > > @@ -99,6 +104,8 @@ void usage(void); > > int > > main(int argc, char **argv) > > { > > + fileargs_t *fa; > > + cap_rights_t rights; > > int ch, rc; > > > > rc =3D 0; > > @@ -187,27 +194,41 @@ main(int argc, char **argv) > > argc -=3D optind; > > argv +=3D optind; > > > > + cap_rights_init(&rights, CAP_READ, CAP_SEEK, CAP_FSTAT, CAP_FCN= TL); > > + fa =3D fileargs_init(argc, argv, O_RDONLY, 0, &rights); > > + if (fa =3D=3D NULL) > > + err(1, "Unable to initialize casper fileargs"); > > + > > + caph_cache_catpages(); > > + if (caph_limit_stdio() < 0 && caph_enter_casper() < 0) { > > + fileargs_free(fa); > > + err(1, "Unable to enter capability mode"); > > + } > > + > > if (min_len =3D=3D 0) > > min_len =3D 4; > > if (*argv =3D=3D NULL) > > rc =3D find_strings("{standard input}", stdin, 0, 0); > > else while (*argv !=3D NULL) { > > - if (handle_file(*argv) !=3D 0) > > + if (handle_file(fa, *argv) !=3D 0) > > rc =3D 1; > > argv++; > > } > > + > > + fileargs_free(fa); > > + > > return (rc); > > } > > > > int > > -handle_file(const char *name) > > +handle_file(fileargs_t *fa, const char *name) > > { > > FILE *pfile; > > int rt; > > > > if (name =3D=3D NULL) > > return (1); > > - pfile =3D fopen(name, "rb"); > > + pfile =3D fileargs_fopen(fa, name, "rb"); > > if (pfile =3D=3D NULL) { > > warnx("'%s': %s", name, strerror(errno)); > > return (1); > > > > Modified: head/usr.bin/strings/Makefile > > > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D > > --- head/usr.bin/strings/Makefile Thu Apr 4 12:02:48 2019 > > (r345874) > > +++ head/usr.bin/strings/Makefile Thu Apr 4 16:32:27 2019 > > (r345875) > > @@ -10,6 +10,12 @@ PROG=3D strings > > > > LIBADD=3D elftc elf > > > > +.if ${MK_CASPER} !=3D "no" && !defined(BOOTSTRAPPING) > > +LIBADD+=3D casper > > +LIBADD+=3D cap_fileargs > > +CFLAGS+=3D -DWITH_CASPER > > +.endif > > + > > CFLAGS+=3D-I${ELFTCDIR}/libelftc -I${ELFTCDIR}/common > > > > .include <bsd.prog.mk> > > > > --IS0zKkzwUGydFO0o Content-Type: application/pgp-signature; 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