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Matt Johnston
dropbear
Commits
ecb4a617
Commit
ecb4a617
authored
Mar 25, 2016
by
Francois Perrad
Browse files
upgrade atomicio
in order to remove K&R code in atomicio.c now, vwrite comes from atomicio.h
parent
37a66fa5
Changes
5
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atomicio.c
View file @
ecb4a617
/* $OpenBSD: atomicio.c,v 1.17 2006/04/01 05:51:34 djm Exp $ */
/*
* Copied from OpenSSH
3.6.1p2
.
* Copied from OpenSSH
/OpenBSD
.
*
* Copyright (c) 2005 Anil Madhavapeddy. All rights reserved.
* Copyright (c) 1995,1999 Theo de Raadt. All rights reserved.
* All rights reserved.
*
...
...
@@ -25,39 +27,32 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* RCSID("OpenBSD: atomicio.c,v 1.10 2001/05/08 22:48:07 markus Exp "); */
#include "includes.h"
#include "atomicio.h"
/*
* ensure all of data on socket comes through. f==read || f==write
* ensure all of data on socket comes through. f==read || f==
v
write
*/
ssize_t
atomicio
(
f
,
fd
,
_s
,
n
)
ssize_t
(
*
f
)
();
int
fd
;
void
*
_s
;
size_t
n
;
size_t
atomicio
(
ssize_t
(
*
f
)
(
int
,
void
*
,
size_t
),
int
fd
,
void
*
_s
,
size_t
n
)
{
char
*
s
=
_s
;
ssize_t
res
;
size_t
pos
=
0
;
ssize_t
res
;
while
(
n
>
pos
)
{
res
=
(
f
)
(
fd
,
s
+
pos
,
n
-
pos
);
switch
(
res
)
{
case
-
1
:
#ifdef EWOULDBLOCK
if
(
errno
==
EINTR
||
errno
==
EAGAIN
||
errno
==
EWOULDBLOCK
)
#else
if
(
errno
==
EINTR
||
errno
==
EAGAIN
)
#endif
continue
;
/* FALLTHROUGH */
return
0
;
case
0
:
return
(
res
);
errno
=
EPIPE
;
return
pos
;
default:
pos
+=
res
;
pos
+=
(
size_t
)
res
;
}
}
return
(
pos
);
...
...
atomicio.h
View file @
ecb4a617
/* $OpenBSD: atomicio.h,v 1.7 2006/03/25 22:22:42 djm Exp $ */
/*
* Copied from OpenSSH 3.6.1p2, required for loginrec.c
*
* $OpenBSD: atomicio.h,v 1.4 2001/06/26 06:32:46 itojun Exp $
* Copied from OpenSSH/OpenBSD, required for loginrec.c
*
* Copyright (c) 1995,1999 Theo de Raadt. All rights reserved.
* All rights reserved.
...
...
@@ -28,9 +27,9 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "includes.h"
/*
* Ensure all of data on socket comes through. f==read || f==write
* Ensure all of data on socket comes through. f==read || f==
v
write
*/
ssize_t
atomicio
(
ssize_t
(
*
)(),
int
,
void
*
,
size_t
);
size_t
atomicio
(
ssize_t
(
*
)(
int
,
void
*
,
size_t
),
int
,
void
*
,
size_t
);
#define vwrite (ssize_t (*)(int, void *, size_t))write
cli-agentfwd.c
View file @
ecb4a617
...
...
@@ -130,7 +130,7 @@ static buffer * agent_request(unsigned char type, buffer *data) {
}
buf_setpos
(
payload
,
0
);
ret
=
atomicio
(
write
,
fd
,
buf_getptr
(
payload
,
payload
->
len
),
payload
->
len
);
ret
=
atomicio
(
v
write
,
fd
,
buf_getptr
(
payload
,
payload
->
len
),
payload
->
len
);
if
((
size_t
)
ret
!=
payload
->
len
)
{
TRACE
((
"write failed fd %d for agent_request, %s"
,
fd
,
strerror
(
errno
)))
goto
out
;
...
...
loginrec.c
View file @
ecb4a617
...
...
@@ -706,7 +706,7 @@ utmp_write_direct(struct logininfo *li, struct utmp *ut)
}
(
void
)
lseek
(
fd
,
(
off_t
)(
tty
*
sizeof
(
struct
utmp
)),
SEEK_SET
);
if
(
atomicio
(
write
,
fd
,
ut
,
sizeof
(
*
ut
))
!=
sizeof
(
*
ut
))
if
(
atomicio
(
v
write
,
fd
,
ut
,
sizeof
(
*
ut
))
!=
sizeof
(
*
ut
))
dropbear_log
(
LOG_WARNING
,
"utmp_write_direct: error writing %s: %s"
,
UTMP_FILE
,
strerror
(
errno
));
...
...
@@ -895,7 +895,7 @@ wtmp_write(struct logininfo *li, struct utmp *ut)
return
0
;
}
if
(
fstat
(
fd
,
&
buf
)
==
0
)
if
(
atomicio
(
write
,
fd
,
ut
,
sizeof
(
*
ut
))
!=
sizeof
(
*
ut
))
{
if
(
atomicio
(
v
write
,
fd
,
ut
,
sizeof
(
*
ut
))
!=
sizeof
(
*
ut
))
{
ftruncate
(
fd
,
buf
.
st_size
);
dropbear_log
(
LOG_WARNING
,
"wtmp_write: problem writing %s: %s"
,
WTMP_FILE
,
strerror
(
errno
));
...
...
@@ -1062,7 +1062,7 @@ wtmpx_write(struct logininfo *li, struct utmpx *utx)
}
if
(
fstat
(
fd
,
&
buf
)
==
0
)
if
(
atomicio
(
write
,
fd
,
utx
,
sizeof
(
*
utx
))
!=
sizeof
(
*
utx
))
{
if
(
atomicio
(
v
write
,
fd
,
utx
,
sizeof
(
*
utx
))
!=
sizeof
(
*
utx
))
{
ftruncate
(
fd
,
buf
.
st_size
);
dropbear_log
(
LOG_WARNING
,
"wtmpx_write: problem writing %s: %s"
,
WTMPX_FILE
,
strerror
(
errno
));
...
...
@@ -1351,7 +1351,7 @@ lastlog_perform_login(struct logininfo *li)
return
(
0
);
/* write the entry */
if
(
atomicio
(
write
,
fd
,
&
last
,
sizeof
(
last
))
!=
sizeof
(
last
))
{
if
(
atomicio
(
v
write
,
fd
,
&
last
,
sizeof
(
last
))
!=
sizeof
(
last
))
{
close
(
fd
);
dropbear_log
(
LOG_WARNING
,
"lastlog_write_filemode: Error writing to %s: %s"
,
LASTLOG_FILE
,
strerror
(
errno
));
...
...
scpmisc.h
View file @
ecb4a617
...
...
@@ -12,9 +12,6 @@
* called by a name other than "ssh" or "Secure Shell".
*/
/* actually from atomicio, but is only used in scp code */
#define vwrite (ssize_t (*)(int, void *, size_t))write
char
*
chop
(
char
*
);
char
*
strdelim
(
char
**
);
void
set_nonblock
(
int
);
...
...
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