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- deraadt@cvs.openbsd.org 2008/03/02 18:19:35

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[monitor_fdpass.c]
     use a union to ensure alignment of the cmsg (pay attention: various other
     parts of the tree need this treatment too); ok djm
This commit is contained in:
Damien Miller 2008-03-07 18:35:26 +11:00
parent 7c29661471
commit c0c53c3114
2 changed files with 16 additions and 6 deletions
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6
ChangeLog
View File

@ -30,6 +30,10 @@
add an extension method "posix-rename@openssh.com" to perform POSIX atomic
rename() operations. based on patch from miklos AT szeredi.hu in bz#1400;
ok dtucker@ markus@
- deraadt@cvs.openbsd.org 2008/03/02 18:19:35
[monitor_fdpass.c]
use a union to ensure alignment of the cmsg (pay attention: various other
parts of the tree need this treatment too); ok djm
20080302
- (dtucker) [configure.ac] FreeBSD's glob() doesn't behave the way we expect
@ -3690,4 +3694,4 @@
OpenServer 6 and add osr5bigcrypt support so when someone migrates
passwords between UnixWare and OpenServer they will still work. OK dtucker@
$Id: ChangeLog,v 1.4857 2008/03/07 07:33:53 djm Exp $
$Id: ChangeLog,v 1.4858 2008/03/07 07:35:26 djm Exp $

12
monitor_fdpass.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: monitor_fdpass.c,v 1.13 2007/09/04 03:21:03 djm Exp $ */
/* $OpenBSD: monitor_fdpass.c,v 1.14 2008/03/02 18:19:35 deraadt Exp $ */
/*
* Copyright 2001 Niels Provos <provos@citi.umich.edu>
* All rights reserved.
@ -49,7 +49,10 @@ mm_send_fd(int sock, int fd)
char ch = '\0';
ssize_t n;
#ifndef HAVE_ACCRIGHTS_IN_MSGHDR
union {
struct cmsghdr hdr;
char tmp[CMSG_SPACE(sizeof(int))];
} tmp;
struct cmsghdr *cmsg;
#endif
@ -58,7 +61,7 @@ mm_send_fd(int sock, int fd)
msg.msg_accrights = (caddr_t)&fd;
msg.msg_accrightslen = sizeof(fd);
#else
msg.msg_control = (caddr_t)tmp;
msg.msg_control = (caddr_t)&tmp;
msg.msg_controllen = CMSG_LEN(sizeof(int));
cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_len = CMSG_LEN(sizeof(int));
@ -100,7 +103,10 @@ mm_receive_fd(int sock)
char ch;
int fd;
#ifndef HAVE_ACCRIGHTS_IN_MSGHDR
union {
char tmp[CMSG_SPACE(sizeof(int))];
struct cmsghdr hdr;
} tmp;
struct cmsghdr *cmsg;
#endif
@ -113,7 +119,7 @@ mm_receive_fd(int sock)
msg.msg_accrights = (caddr_t)&fd;
msg.msg_accrightslen = sizeof(fd);
#else
msg.msg_control = tmp;
msg.msg_control = &tmp;
msg.msg_controllen = sizeof(tmp);
#endif