Date: Tue, 1 Apr 2014 15:31:31 GMT From: Christian Neukirchen <chneukirchen@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: standards/188173: O_NOFOLLOW visibility not POSIX 2008 conforming Message-ID: <201404011531.s31FVVNR008903@cgiserv.freebsd.org> Resent-Message-ID: <201404011540.s31Fe0rD022781@freefall.freebsd.org>
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>Number: 188173 >Category: standards >Synopsis: O_NOFOLLOW visibility not POSIX 2008 conforming >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-standards >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Apr 01 15:40:00 UTC 2014 >Closed-Date: >Last-Modified: >Originator: Christian Neukirchen >Release: 10.0-RELEASE >Organization: >Environment: FreeBSD mneme.vuxu.org 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789: Thu Jan 16 22:34:59 UTC 2014 root@snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 >Description: The macro O_NOFOLLOW is not defined when _XOPEN_SOURCE is set, but it should be defined with _XOPEN_SOURCE=700 since X/Open 7 incorporates POSIX 2008, which defines O_NOFOLLOW, cf. http://pubs.opengroup.org/onlinepubs/9699919799/functions/open.html >How-To-Repeat: By default, O_NOFOLLOW is defined: % cc -E - <<EOF | tail -1 #include <fcntl.h> O_NOFOLLOW EOF 0x0100 But with correct _XOPEN_SOURCE, it is not: % cc -D_XOPEN_SOURCE=700 -E - <<EOF | tail -1 #include <fcntl.h> O_NOFOLLOW EOF O_NOFOLLOW >Fix: Adjust the condition in /usr/include/sys/fcntl.h to use _POSIX_C_SOURCE >= 200809 #if __BSD_VISIBLE #define O_NOFOLLOW 0x0100 /* don't follow symlinks */ #endif >Release-Note: >Audit-Trail: >Unformatted:
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