- deraadt@cvs.openbsd.org 2002/06/23 09:30:14
[sftp-client.c sftp-client.h sftp-common.c sftp-int.c sftp-server.c
sftp.c]
bunch of u_int vs int stuff
diff --git a/ChangeLog b/ChangeLog
index e39eeba..df78f3f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,10 @@
[scard.c ssh-dss.c ssh-rsa.c sshconnect.c sshconnect2.c sshd.c sshlogin.c
sshpty.c]
various KNF and %d for unsigned
+ - deraadt@cvs.openbsd.org 2002/06/23 09:30:14
+ [sftp-client.c sftp-client.h sftp-common.c sftp-int.c sftp-server.c
+ sftp.c]
+ bunch of u_int vs int stuff
20020623
- (stevesk) [configure.ac] bug #255 LOGIN_NEEDS_UTMPX for AIX.
@@ -1054,4 +1058,4 @@
- (stevesk) entropy.c: typo in debug message
- (djm) ssh-keygen -i needs seeded RNG; report from markus@
-$Id: ChangeLog,v 1.2256 2002/06/23 21:23:20 mouring Exp $
+$Id: ChangeLog,v 1.2257 2002/06/23 21:27:18 mouring Exp $
diff --git a/sftp-client.c b/sftp-client.c
index 779ef2f..10b7992 100644
--- a/sftp-client.c
+++ b/sftp-client.c
@@ -28,7 +28,7 @@
/* XXX: copy between two remote sites */
#include "includes.h"
-RCSID("$OpenBSD: sftp-client.c,v 1.32 2002/06/09 13:32:01 markus Exp $");
+RCSID("$OpenBSD: sftp-client.c,v 1.33 2002/06/23 09:30:14 deraadt Exp $");
#include "openbsd-compat/fake-queue.h"
@@ -88,7 +88,7 @@
msg_len = GET_32BIT(buf);
if (msg_len > 256 * 1024)
- fatal("Received message too long %d", msg_len);
+ fatal("Received message too long %u", msg_len);
while (msg_len) {
len = atomicio(read, fd, buf, MIN(msg_len, sizeof(buf)));
@@ -113,7 +113,7 @@
buffer_put_int(&msg, id);
buffer_put_string(&msg, s, len);
send_msg(fd, &msg);
- debug3("Sent message fd %d T:%d I:%d", fd, code, id);
+ debug3("Sent message fd %d T:%u I:%u", fd, code, id);
buffer_free(&msg);
}
@@ -129,12 +129,12 @@
buffer_put_string(&msg, s, len);
encode_attrib(&msg, a);
send_msg(fd, &msg);
- debug3("Sent message fd %d T:%d I:%d", fd, code, id);
+ debug3("Sent message fd %d T:%u I:%u", fd, code, id);
buffer_free(&msg);
}
static u_int
-get_status(int fd, int expected_id)
+get_status(int fd, u_int expected_id)
{
Buffer msg;
u_int type, id, status;
@@ -145,15 +145,15 @@
id = buffer_get_int(&msg);
if (id != expected_id)
- fatal("ID mismatch (%d != %d)", id, expected_id);
+ fatal("ID mismatch (%u != %u)", id, expected_id);
if (type != SSH2_FXP_STATUS)
- fatal("Expected SSH2_FXP_STATUS(%d) packet, got %d",
+ fatal("Expected SSH2_FXP_STATUS(%u) packet, got %u",
SSH2_FXP_STATUS, type);
status = buffer_get_int(&msg);
buffer_free(&msg);
- debug3("SSH2_FXP_STATUS %d", status);
+ debug3("SSH2_FXP_STATUS %u", status);
return(status);
}
@@ -171,14 +171,14 @@
id = buffer_get_int(&msg);
if (id != expected_id)
- fatal("ID mismatch (%d != %d)", id, expected_id);
+ fatal("ID mismatch (%u != %u)", id, expected_id);
if (type == SSH2_FXP_STATUS) {
int status = buffer_get_int(&msg);
error("Couldn't get handle: %s", fx2txt(status));
return(NULL);
} else if (type != SSH2_FXP_HANDLE)
- fatal("Expected SSH2_FXP_HANDLE(%d) packet, got %d",
+ fatal("Expected SSH2_FXP_HANDLE(%u) packet, got %u",
SSH2_FXP_HANDLE, type);
handle = buffer_get_string(&msg, len);
@@ -200,9 +200,9 @@
type = buffer_get_char(&msg);
id = buffer_get_int(&msg);
- debug3("Received stat reply T:%d I:%d", type, id);
+ debug3("Received stat reply T:%u I:%u", type, id);
if (id != expected_id)
- fatal("ID mismatch (%d != %d)", id, expected_id);
+ fatal("ID mismatch (%u != %u)", id, expected_id);
if (type == SSH2_FXP_STATUS) {
int status = buffer_get_int(&msg);
@@ -212,7 +212,7 @@
error("Couldn't stat remote file: %s", fx2txt(status));
return(NULL);
} else if (type != SSH2_FXP_ATTRS) {
- fatal("Expected SSH2_FXP_ATTRS(%d) packet, got %d",
+ fatal("Expected SSH2_FXP_ATTRS(%u) packet, got %u",
SSH2_FXP_ATTRS, type);
}
a = decode_attrib(&msg);
@@ -224,7 +224,8 @@
struct sftp_conn *
do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests)
{
- int type, version;
+ u_int type;
+ int version;
Buffer msg;
struct sftp_conn *ret;
@@ -239,7 +240,7 @@
/* Expecting a VERSION reply */
if ((type = buffer_get_char(&msg)) != SSH2_FXP_VERSION) {
- error("Invalid packet back from SSH2_FXP_INIT (type %d)",
+ error("Invalid packet back from SSH2_FXP_INIT (type %u)",
type);
buffer_free(&msg);
return(NULL);
@@ -294,7 +295,7 @@
buffer_put_int(&msg, id);
buffer_put_string(&msg, handle, handle_len);
send_msg(conn->fd_out, &msg);
- debug3("Sent message SSH2_FXP_CLOSE I:%d", id);
+ debug3("Sent message SSH2_FXP_CLOSE I:%u", id);
status = get_status(conn->fd_in, id);
if (status != SSH2_FX_OK)
@@ -339,7 +340,7 @@
id = expected_id = conn->msg_id++;
- debug3("Sending SSH2_FXP_READDIR I:%d", id);
+ debug3("Sending SSH2_FXP_READDIR I:%u", id);
buffer_clear(&msg);
buffer_put_char(&msg, SSH2_FXP_READDIR);
@@ -354,10 +355,10 @@
type = buffer_get_char(&msg);
id = buffer_get_int(&msg);
- debug3("Received reply T:%d I:%d", type, id);
+ debug3("Received reply T:%u I:%u", type, id);
if (id != expected_id)
- fatal("ID mismatch (%d != %d)", id, expected_id);
+ fatal("ID mismatch (%u != %u)", id, expected_id);
if (type == SSH2_FXP_STATUS) {
int status = buffer_get_int(&msg);
@@ -373,7 +374,7 @@
return(status);
}
} else if (type != SSH2_FXP_NAME)
- fatal("Expected SSH2_FXP_NAME(%d) packet, got %d",
+ fatal("Expected SSH2_FXP_NAME(%u) packet, got %u",
SSH2_FXP_NAME, type);
count = buffer_get_int(&msg);
@@ -584,7 +585,7 @@
id = buffer_get_int(&msg);
if (id != expected_id)
- fatal("ID mismatch (%d != %d)", id, expected_id);
+ fatal("ID mismatch (%u != %u)", id, expected_id);
if (type == SSH2_FXP_STATUS) {
u_int status = buffer_get_int(&msg);
@@ -592,7 +593,7 @@
error("Couldn't canonicalise: %s", fx2txt(status));
return(NULL);
} else if (type != SSH2_FXP_NAME)
- fatal("Expected SSH2_FXP_NAME(%d) packet, got %d",
+ fatal("Expected SSH2_FXP_NAME(%u) packet, got %u",
SSH2_FXP_NAME, type);
count = buffer_get_int(&msg);
@@ -690,7 +691,7 @@
id = buffer_get_int(&msg);
if (id != expected_id)
- fatal("ID mismatch (%d != %d)", id, expected_id);
+ fatal("ID mismatch (%u != %u)", id, expected_id);
if (type == SSH2_FXP_STATUS) {
u_int status = buffer_get_int(&msg);
@@ -698,7 +699,7 @@
error("Couldn't readlink: %s", fx2txt(status));
return(NULL);
} else if (type != SSH2_FXP_NAME)
- fatal("Expected SSH2_FXP_NAME(%d) packet, got %d",
+ fatal("Expected SSH2_FXP_NAME(%u) packet, got %u",
SSH2_FXP_NAME, type);
count = buffer_get_int(&msg);
@@ -790,7 +791,7 @@
attrib_clear(&junk); /* Send empty attributes */
encode_attrib(&msg, &junk);
send_msg(conn->fd_out, &msg);
- debug3("Sent message SSH2_FXP_OPEN I:%d P:%s", id, remote_path);
+ debug3("Sent message SSH2_FXP_OPEN I:%u P:%s", id, remote_path);
handle = get_handle(conn->fd_in, id, &handle_len);
if (handle == NULL) {
@@ -835,7 +836,7 @@
get_msg(conn->fd_in, &msg);
type = buffer_get_char(&msg);
id = buffer_get_int(&msg);
- debug3("Received reply T:%d I:%d R:%d", type, id, max_req);
+ debug3("Received reply T:%u I:%u R:%d", type, id, max_req);
/* Find the request in our queue */
for(req = TAILQ_FIRST(&requests);
@@ -862,7 +863,7 @@
(unsigned long long)req->offset + len - 1);
if (len > req->len)
fatal("Received more data than asked for "
- "%d > %d", len, req->len);
+ "%u > %u", len, req->len);
if ((lseek(local_fd, req->offset, SEEK_SET) == -1 ||
atomicio(write, local_fd, data, len) != len) &&
!write_error) {
@@ -907,7 +908,7 @@
}
break;
default:
- fatal("Expected SSH2_FXP_DATA(%d) packet, got %d",
+ fatal("Expected SSH2_FXP_DATA(%u) packet, got %u",
SSH2_FXP_DATA, type);
}
}
@@ -1006,7 +1007,7 @@
buffer_put_int(&msg, SSH2_FXF_WRITE|SSH2_FXF_CREAT|SSH2_FXF_TRUNC);
encode_attrib(&msg, &a);
send_msg(conn->fd_out, &msg);
- debug3("Sent message SSH2_FXP_OPEN I:%d P:%s", id, remote_path);
+ debug3("Sent message SSH2_FXP_OPEN I:%u P:%s", id, remote_path);
buffer_clear(&msg);
@@ -1051,7 +1052,7 @@
buffer_put_int64(&msg, offset);
buffer_put_string(&msg, data, len);
send_msg(conn->fd_out, &msg);
- debug3("Sent message SSH2_FXP_WRITE I:%d O:%llu S:%u",
+ debug3("Sent message SSH2_FXP_WRITE I:%u O:%llu S:%u",
id, (unsigned long long)offset, len);
} else if (TAILQ_FIRST(&acks) == NULL)
break;
@@ -1081,7 +1082,7 @@
ack = TAILQ_NEXT(ack, tq))
;
if (ack == NULL)
- fatal("Can't find request for ID %d", r_id);
+ fatal("Can't find request for ID %u", r_id);
TAILQ_REMOVE(&acks, ack, tq);
if (status != SSH2_FX_OK) {
@@ -1091,7 +1092,7 @@
close(local_fd);
goto done;
}
- debug3("In write loop, ack for %u %d bytes at %llu",
+ debug3("In write loop, ack for %u %u bytes at %llu",
ack->id, ack->len, (unsigned long long)ack->offset);
++ackid;
free(ack);
diff --git a/sftp-client.h b/sftp-client.h
index ceda879..b061711 100644
--- a/sftp-client.h
+++ b/sftp-client.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp-client.h,v 1.9 2002/02/13 00:59:23 djm Exp $ */
+/* $OpenBSD: sftp-client.h,v 1.10 2002/06/23 09:30:14 deraadt Exp $ */
/*
* Copyright (c) 2001,2002 Damien Miller. All rights reserved.
@@ -41,11 +41,9 @@
* Initialiase a SSH filexfer connection. Returns -1 on error or
* protocol version on success.
*/
-struct sftp_conn *
-do_init(int, int, u_int, u_int);
+struct sftp_conn *do_init(int, int, u_int, u_int);
-u_int
-sftp_proto_version(struct sftp_conn *);
+u_int sftp_proto_version(struct sftp_conn *);
/* Close file referred to by 'handle' */
int do_close(struct sftp_conn *, char *, u_int);
diff --git a/sftp-common.c b/sftp-common.c
index 4fb4496..6bed0ab 100644
--- a/sftp-common.c
+++ b/sftp-common.c
@@ -24,7 +24,7 @@
*/
#include "includes.h"
-RCSID("$OpenBSD: sftp-common.c,v 1.5 2001/12/02 02:08:32 deraadt Exp $");
+RCSID("$OpenBSD: sftp-common.c,v 1.6 2002/06/23 09:30:14 deraadt Exp $");
#include "buffer.h"
#include "bufaux.h"
@@ -70,6 +70,7 @@
decode_attrib(Buffer *b)
{
static Attrib a;
+
attrib_clear(&a);
a.flags = buffer_get_int(b);
if (a.flags & SSH2_FILEXFER_ATTR_SIZE)
@@ -88,6 +89,7 @@
if (a.flags & SSH2_FILEXFER_ATTR_EXTENDED) {
char *type, *data;
int i, count;
+
count = buffer_get_int(b);
for (i = 0; i < count; i++) {
type = buffer_get_string(b, NULL);
diff --git a/sftp-int.c b/sftp-int.c
index 5b1d384..b13e5da 100644
--- a/sftp-int.c
+++ b/sftp-int.c
@@ -26,7 +26,7 @@
/* XXX: recursive operations */
#include "includes.h"
-RCSID("$OpenBSD: sftp-int.c,v 1.46 2002/03/30 18:51:15 markus Exp $");
+RCSID("$OpenBSD: sftp-int.c,v 1.47 2002/06/23 09:30:14 deraadt Exp $");
#include "buffer.h"
#include "xmalloc.h"
@@ -835,7 +835,7 @@
help();
break;
case I_VERSION:
- printf("SFTP protocol version %d\n", sftp_proto_version(conn));
+ printf("SFTP protocol version %u\n", sftp_proto_version(conn));
break;
default:
fatal("%d is not implemented", cmdnum);
diff --git a/sftp-server.c b/sftp-server.c
index 9db28e7..c3eee38 100644
--- a/sftp-server.c
+++ b/sftp-server.c
@@ -22,7 +22,7 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "includes.h"
-RCSID("$OpenBSD: sftp-server.c,v 1.35 2002/06/06 17:30:11 markus Exp $");
+RCSID("$OpenBSD: sftp-server.c,v 1.36 2002/06/23 09:30:14 deraadt Exp $");
#include "buffer.h"
#include "bufaux.h"
@@ -282,7 +282,7 @@
"Unknown error" /* Others */
};
- TRACE("sent status id %d error %d", id, error);
+ TRACE("sent status id %u error %u", id, error);
buffer_init(&msg);
buffer_put_char(&msg, SSH2_FXP_STATUS);
buffer_put_int(&msg, id);
@@ -311,7 +311,7 @@
static void
send_data(u_int32_t id, char *data, int dlen)
{
- TRACE("sent data id %d len %d", id, dlen);
+ TRACE("sent data id %u len %d", id, dlen);
send_data_or_handle(SSH2_FXP_DATA, id, data, dlen);
}
@@ -322,7 +322,7 @@
int hlen;
handle_to_string(handle, &string, &hlen);
- TRACE("sent handle id %d handle %d", id, handle);
+ TRACE("sent handle id %u handle %d", id, handle);
send_data_or_handle(SSH2_FXP_HANDLE, id, string, hlen);
xfree(string);
}
@@ -337,7 +337,7 @@
buffer_put_char(&msg, SSH2_FXP_NAME);
buffer_put_int(&msg, id);
buffer_put_int(&msg, count);
- TRACE("sent names id %d count %d", id, count);
+ TRACE("sent names id %u count %d", id, count);
for (i = 0; i < count; i++) {
buffer_put_cstring(&msg, stats[i].name);
buffer_put_cstring(&msg, stats[i].long_name);
@@ -352,7 +352,7 @@
{
Buffer msg;
- TRACE("sent attrib id %d have 0x%x", id, a->flags);
+ TRACE("sent attrib id %u have 0x%x", id, a->flags);
buffer_init(&msg);
buffer_put_char(&msg, SSH2_FXP_ATTRS);
buffer_put_int(&msg, id);
@@ -391,7 +391,7 @@
a = get_attrib();
flags = flags_from_portable(pflags);
mode = (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) ? a->perm : 0666;
- TRACE("open id %d name %s flags %d mode 0%o", id, name, pflags, mode);
+ TRACE("open id %u name %s flags %d mode 0%o", id, name, pflags, mode);
fd = open(name, flags, mode);
if (fd < 0) {
status = errno_to_portable(errno);
@@ -417,7 +417,7 @@
id = get_int();
handle = get_handle();
- TRACE("close id %d handle %d", id, handle);
+ TRACE("close id %u handle %d", id, handle);
ret = handle_close(handle);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
send_status(id, status);
@@ -436,7 +436,7 @@
off = get_int64();
len = get_int();
- TRACE("read id %d handle %d off %llu len %d", id, handle,
+ TRACE("read id %u handle %d off %llu len %d", id, handle,
(u_int64_t)off, len);
if (len > sizeof buf) {
len = sizeof buf;
@@ -477,7 +477,7 @@
off = get_int64();
data = get_string(&len);
- TRACE("write id %d handle %d off %llu len %d", id, handle,
+ TRACE("write id %u handle %d off %llu len %d", id, handle,
(u_int64_t)off, len);
fd = handle_to_fd(handle);
if (fd >= 0) {
@@ -512,7 +512,7 @@
id = get_int();
name = get_string(NULL);
- TRACE("%sstat id %d name %s", do_lstat ? "l" : "", id, name);
+ TRACE("%sstat id %u name %s", do_lstat ? "l" : "", id, name);
ret = do_lstat ? lstat(name, &st) : stat(name, &st);
if (ret < 0) {
status = errno_to_portable(errno);
@@ -548,7 +548,7 @@
id = get_int();
handle = get_handle();
- TRACE("fstat id %d handle %d", id, handle);
+ TRACE("fstat id %u handle %d", id, handle);
fd = handle_to_fd(handle);
if (fd >= 0) {
ret = fstat(fd, &st);
@@ -582,13 +582,12 @@
Attrib *a;
u_int32_t id;
char *name;
- int ret;
- int status = SSH2_FX_OK;
+ int status = SSH2_FX_OK, ret;
id = get_int();
name = get_string(NULL);
a = get_attrib();
- TRACE("setstat id %d name %s", id, name);
+ TRACE("setstat id %u name %s", id, name);
if (a->flags & SSH2_FILEXFER_ATTR_SIZE) {
ret = truncate(name, a->size);
if (ret == -1)
@@ -625,7 +624,7 @@
id = get_int();
handle = get_handle();
a = get_attrib();
- TRACE("fsetstat id %d handle %d", id, handle);
+ TRACE("fsetstat id %u handle %d", id, handle);
fd = handle_to_fd(handle);
name = handle_to_name(handle);
if (fd < 0 || name == NULL) {
@@ -677,7 +676,7 @@
id = get_int();
path = get_string(NULL);
- TRACE("opendir id %d path %s", id, path);
+ TRACE("opendir id %u path %s", id, path);
dirp = opendir(path);
if (dirp == NULL) {
status = errno_to_portable(errno);
@@ -713,13 +712,13 @@
if ((pw = getpwuid(st->st_uid)) != NULL) {
user = pw->pw_name;
} else {
- snprintf(ubuf, sizeof ubuf, "%d", st->st_uid);
+ snprintf(ubuf, sizeof ubuf, "%u", st->st_uid);
user = ubuf;
}
if ((gr = getgrgid(st->st_gid)) != NULL) {
group = gr->gr_name;
} else {
- snprintf(gbuf, sizeof gbuf, "%d", st->st_gid);
+ snprintf(gbuf, sizeof gbuf, "%u", st->st_gid);
group = gbuf;
}
if (ltime != NULL) {
@@ -749,7 +748,7 @@
id = get_int();
handle = get_handle();
- TRACE("readdir id %d handle %d", id, handle);
+ TRACE("readdir id %u handle %d", id, handle);
dirp = handle_to_dir(handle);
path = handle_to_name(handle);
if (dirp == NULL || path == NULL) {
@@ -759,6 +758,7 @@
char pathname[1024];
Stat *stats;
int nstats = 10, count = 0, i;
+
stats = xmalloc(nstats * sizeof(Stat));
while ((dp = readdir(dirp)) != NULL) {
if (count >= nstats) {
@@ -802,7 +802,7 @@
id = get_int();
name = get_string(NULL);
- TRACE("remove id %d name %s", id, name);
+ TRACE("remove id %u name %s", id, name);
ret = unlink(name);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
send_status(id, status);
@@ -822,7 +822,7 @@
a = get_attrib();
mode = (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) ?
a->perm & 0777 : 0777;
- TRACE("mkdir id %d name %s mode 0%o", id, name, mode);
+ TRACE("mkdir id %u name %s mode 0%o", id, name, mode);
ret = mkdir(name, mode);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
send_status(id, status);
@@ -838,7 +838,7 @@
id = get_int();
name = get_string(NULL);
- TRACE("rmdir id %d name %s", id, name);
+ TRACE("rmdir id %u name %s", id, name);
ret = rmdir(name);
status = (ret == -1) ? errno_to_portable(errno) : SSH2_FX_OK;
send_status(id, status);
@@ -858,7 +858,7 @@
xfree(path);
path = xstrdup(".");
}
- TRACE("realpath id %d path %s", id, path);
+ TRACE("realpath id %u path %s", id, path);
if (realpath(path, resolvedname) == NULL) {
send_status(id, errno_to_portable(errno));
} else {
@@ -881,7 +881,7 @@
id = get_int();
oldpath = get_string(NULL);
newpath = get_string(NULL);
- TRACE("rename id %d old %s new %s", id, oldpath, newpath);
+ TRACE("rename id %u old %s new %s", id, oldpath, newpath);
/* fail if 'newpath' exists */
if (stat(newpath, &st) == -1) {
ret = rename(oldpath, newpath);
@@ -902,7 +902,7 @@
id = get_int();
path = get_string(NULL);
- TRACE("readlink id %d path %s", id, path);
+ TRACE("readlink id %u path %s", id, path);
if ((len = readlink(path, link, sizeof(link) - 1)) == -1)
send_status(id, errno_to_portable(errno));
else {
@@ -927,7 +927,7 @@
id = get_int();
oldpath = get_string(NULL);
newpath = get_string(NULL);
- TRACE("symlink id %d old %s new %s", id, oldpath, newpath);
+ TRACE("symlink id %u old %s new %s", id, oldpath, newpath);
/* fail if 'newpath' exists */
if (stat(newpath, &st) == -1) {
ret = symlink(oldpath, newpath);
diff --git a/sftp.c b/sftp.c
index f941d18..fac2564 100644
--- a/sftp.c
+++ b/sftp.c
@@ -24,7 +24,7 @@
#include "includes.h"
-RCSID("$OpenBSD: sftp.c,v 1.29 2002/04/02 17:37:48 markus Exp $");
+RCSID("$OpenBSD: sftp.c,v 1.30 2002/06/23 09:30:14 deraadt Exp $");
/* XXX: short-form remote directory listings (like 'ls -C') */
@@ -53,8 +53,10 @@
connect_to_server(char *path, char **args, int *in, int *out, pid_t *sshpid)
{
int c_in, c_out;
+
#ifdef USE_PIPES
int pin[2], pout[2];
+
if ((pipe(pin) == -1) || (pipe(pout) == -1))
fatal("pipe: %s", strerror(errno));
*in = pin[0];
@@ -63,6 +65,7 @@
c_out = pin[1];
#else /* USE_PIPES */
int inout[2];
+
if (socketpair(AF_UNIX, SOCK_STREAM, 0, inout) == -1)
fatal("socketpair: %s", strerror(errno));
*in = *out = inout[0];