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s3: handle non-POSIX compliant Tru64, NetBSD and FreeBSD errno on O_NOFOLLOW symlink open calls

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or should we leave the NetBSD and FreeBSD platforms just broken? Actually these
two *want* to have broken platforms as they use different errno's than POSIX
demands *interntionally*. The POSIX errno ELOOP for O_NOFOLLOW open calls on
symlinks is clear and unambiguous. See http://gnats.netbsd.org/43154 for the
interesting NetBSD discussion on that.

Autobuild-User(master): Björn Jacke <bj@sernet.de>
Autobuild-Date(master): Sun Jun 10 16:10:02 CEST 2012 on sn-devel-104
This commit is contained in:
Björn Jacke 2009-06-07 13:55:26 +02:00 committed by Bjoern Jacke
parent 046daccba5
commit f75f1d6233
1 changed files with 20 additions and 1 deletions
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21
source3/smbd/open.c
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@ -291,7 +291,26 @@ static NTSTATUS fd_open(struct connection_struct *conn,
fsp->fh->fd = SMB_VFS_OPEN(conn, smb_fname, fsp, flags, mode);
if (fsp->fh->fd == -1) {
status = map_nt_error_from_unix(errno);
#ifdef O_NOFOLLOW
int posix_errno = errno;
#if defined(ENOTSUP) && defined(OSF1)
/* handle special Tru64 errno */
if (errno == ENOTSUP) {
posix_errno = ELOOP;
}
#endif /* ENOTSUP */
#ifdef EFTYPE
/* fix broken NetBSD errno */
if (errno == EFTYPE) {
posix_errno = ELOOP;
}
#endif /* EFTYPE */
/* fix broken FreeBSD errno */
if (errno == EMLINK) {
posix_errno = ELOOP;
}
#endif /* O_NOFOLLOW */
status = map_nt_error_from_unix(posix_errno);
if (errno == EMFILE) {
static time_t last_warned = 0L;