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sync with OpenBSD -current

This commit is contained in:
purplerain 2023-12-13 02:17:17 +00:00
parent e53750f3c3
commit 24ffeadca5
Signed by: purplerain
GPG Key ID: F42C07F07E2E35B7
43 changed files with 1173 additions and 701 deletions
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6
distrib/sets/lists/base/mi
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@ -734,7 +734,7 @@
./usr/lib/crtendS.o
./usr/lib/gcrt0.o
./usr/lib/libagentx.so.1.1
./usr/lib/libc.so.97.1
./usr/lib/libc.so.98.0
./usr/lib/libcbor.so.2.0
./usr/lib/libcrypto.so.52.0
./usr/lib/libcurses.so.15.0
@ -770,7 +770,7 @@
./usr/lib/libtermlib.so.15.0
./usr/lib/libtls.so.28.0
./usr/lib/libusbhid.so.7.1
./usr/lib/libutil.so.17.0
./usr/lib/libutil.so.18.0
./usr/lib/libz.so.7.0
./usr/lib/locate
./usr/lib/locate/src.db
@ -2963,7 +2963,7 @@
./usr/share/relink/kernel.tgz
./usr/share/relink/usr
./usr/share/relink/usr/lib
./usr/share/relink/usr/lib/libc.so.97.1.a
./usr/share/relink/usr/lib/libc.so.98.0.a
./usr/share/relink/usr/lib/libcrypto.so.52.0.a
./usr/share/relink/usr/libexec
./usr/share/relink/usr/libexec/ld.so.a

2
distrib/sets/lists/comp/mi
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@ -1740,7 +1740,6 @@
./usr/share/man/man2/symlink.2
./usr/share/man/man2/sync.2
./usr/share/man/man2/sysarch.2
./usr/share/man/man2/syscall.2
./usr/share/man/man2/sysctl.2
./usr/share/man/man2/thrkill.2
./usr/share/man/man2/truncate.2
@ -2664,6 +2663,7 @@
./usr/share/man/man3/i2a_ASN1_STRING.3
./usr/share/man/man3/i2d_CMS_bio_stream.3
./usr/share/man/man3/i2d_PKCS7_bio_stream.3
./usr/share/man/man3/ibuf_add.3
./usr/share/man/man3/if_indextoname.3
./usr/share/man/man3/ilogb.3
./usr/share/man/man3/imaxabs.3

1
distrib/sets/lists/man/mi
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@ -1248,6 +1248,7 @@
./usr/share/man/man4/arm64
./usr/share/man/man4/arm64/agintc.4
./usr/share/man/man4/arm64/agtimer.4
./usr/share/man/man4/arm64/ampchwm.4
./usr/share/man/man4/arm64/ampintc.4
./usr/share/man/man4/arm64/aplaudio.4
./usr/share/man/man4/arm64/aplcpu.4

2
etc/skel/dot.version
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@ -1 +1 @@
# SecBSD 1.4-6dd7abc: Thu Dec 7 18:11:47 UTC 2023 (Mictlantecuhtli)
# SecBSD 1.4-0445948: Tue Dec 12 20:24:48 UTC 2023 (Mictlantecuhtli)

3
include/unistd.h
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@ -1,4 +1,4 @@
/* $OpenBSD: unistd.h,v 1.107 2023/01/07 05:24:58 guenther Exp $ */
/* $OpenBSD: unistd.h,v 1.108 2023/12/12 15:30:55 deraadt Exp $ */
/* $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $ */
/*-
@ -522,7 +522,6 @@ int setthrname(pid_t, const char *);
void setusershell(void);
int strtofflags(char **, u_int32_t *, u_int32_t *);
int swapctl(int cmd, const void *arg, int misc);
int syscall(int, ...);
int getentropy(void *, size_t);
int pledge(const char *, const char *);
int unveil(const char *, const char *);

1
lib/libc/Symbols.list
View File

@ -434,7 +434,6 @@ symlink
symlinkat
sync
sysarch
syscall
timer_create
timer_delete
timer_getoverrun

3
lib/libc/hidden/unistd.h
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@ -1,4 +1,4 @@
/* $OpenBSD: unistd.h,v 1.12 2023/05/18 16:11:09 guenther Exp $ */
/* $OpenBSD: unistd.h,v 1.13 2023/12/12 15:30:55 deraadt Exp $ */
/*
* Copyright (c) 2015 Philip Guenther <guenther@openbsd.org>
*
@ -157,7 +157,6 @@ PROTO_NORMAL(swapctl);
PROTO_NORMAL(symlink);
PROTO_NORMAL(symlinkat);
PROTO_NORMAL(sync);
PROTO_NORMAL(syscall);
PROTO_NORMAL(sysconf);
PROTO_DEPRECATED(tcgetpgrp);
PROTO_DEPRECATED(tcsetpgrp);

4
lib/libc/shlib_version
View File

@ -1,4 +1,4 @@
major=97
minor=1
major=98
minor=0
# note: If changes were made to include/thread_private.h or if system calls
# were added/changed then librthread/shlib_version must also be updated.

6
lib/libc/sys/Makefile.inc
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@ -1,4 +1,4 @@
# $OpenBSD: Makefile.inc,v 1.175 2023/12/11 00:34:24 deraadt Exp $
# $OpenBSD: Makefile.inc,v 1.176 2023/12/12 15:30:55 deraadt Exp $
# $NetBSD: Makefile.inc,v 1.35 1995/10/16 23:49:07 jtc Exp $
# @(#)Makefile.inc 8.1 (Berkeley) 6/17/93
@ -8,7 +8,7 @@
# modules with non-default implementations on at least one architecture:
SRCS+= Ovfork.S brk.S ${CERROR} \
sbrk.S sigpending.S sigprocmask.S \
sigsuspend.S syscall.S tfork_thread.S
sigsuspend.S tfork_thread.S
# glue to offer userland wrappers for some syscalls
SRCS+= posix_madvise.c pthread_sigmask.c \
@ -216,7 +216,7 @@ MAN+= __get_tcb.2 __thrsigdivert.2 __thrsleep.2 _exit.2 accept.2 \
shmctl.2 shmget.2 shutdown.2 sigaction.2 sigaltstack.2 sigpending.2 \
sigprocmask.2 sigreturn.2 sigsuspend.2 socket.2 \
socketpair.2 stat.2 statfs.2 swapctl.2 symlink.2 \
sync.2 sysarch.2 syscall.2 sysctl.2 thrkill.2 truncate.2 \
sync.2 sysarch.2 sysctl.2 thrkill.2 truncate.2 \
umask.2 unlink.2 unveil.2 utimes.2 utrace.2 vfork.2 \
wait.2 waitid.2 write.2 \
ypconnect.2

68
lib/libc/sys/syscall.2
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@ -1,68 +0,0 @@
.\" $OpenBSD: syscall.2,v 1.16 2023/02/22 07:04:50 jmc Exp $
.\" $NetBSD: syscall.2,v 1.4 1995/02/27 12:38:53 cgd Exp $
.\"
.\" Copyright (c) 1980, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" @(#)syscall.2 8.1 (Berkeley) 6/16/93
.\"
.Dd $Mdocdate: February 22 2023 $
.Dt SYSCALL 2
.Os
.Sh NAME
.Nm syscall
.Nd indirect system call
.Sh SYNOPSIS
.In sys/syscall.h
.In unistd.h
.Ft int
.Fn syscall "int number" "..."
.Sh DESCRIPTION
.Fn syscall
performs the system call whose assembly language
interface has the specified
.Fa number
with the specified arguments.
Symbolic constants for system calls can be found in the header file
.In sys/syscall.h .
.Sh RETURN VALUES
The return values are defined by the system call being invoked.
In general, for system calls returning
.Va int ,
a 0 return value indicates success.
A \-1 return value indicates an error,
and an error code is stored in
.Va errno .
.Sh HISTORY
The predecessor of these functions, the former
.Fn indir
system call, first appeared in
.At v4 .
The
.Fn syscall
function first appeared in
.Bx 3 .

4
lib/libutil/Makefile
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@ -1,4 +1,4 @@
# $OpenBSD: Makefile,v 1.44 2019/10/24 12:39:26 tb Exp $
# $OpenBSD: Makefile,v 1.45 2023/12/12 15:49:21 claudio Exp $
# $NetBSD: Makefile,v 1.8 1996/05/16 07:03:28 thorpej Exp $
LIB= util
@ -20,7 +20,7 @@ MAN= bcrypt_pbkdf.3 \
ober_read_elements.3 ober_set_header.3 \
opendev.3 openpty.3 pw_init.3 pw_lock.3 readlabelfs.3 uu_lock.3 \
fparseln.3 opendisk.3 login_fbtab.3 pidfile.3 fmt_scaled.3 imsg_init.3 \
pkcs5_pbkdf2.3
ibuf_add.3 pkcs5_pbkdf2.3
SRCS+= ohash.c
HDRS += ohash.h

36
lib/libutil/Symbols.map
View File

@ -19,10 +19,14 @@
getrawpartition;
ibuf_add;
ibuf_add_buf;
ibuf_add_n8;
ibuf_add_ibuf;
ibuf_add_h16;
ibuf_add_h32;
ibuf_add_h64;
ibuf_add_n16;
ibuf_add_n32;
ibuf_add_n64;
ibuf_add_n8;
ibuf_add_zero;
ibuf_close;
ibuf_data;
@ -31,28 +35,53 @@
ibuf_fd_get;
ibuf_fd_set;
ibuf_free;
ibuf_from_buffer;
ibuf_from_ibuf;
ibuf_get;
ibuf_get_ibuf;
ibuf_get_h16;
ibuf_get_h32;
ibuf_get_h64;
ibuf_get_n16;
ibuf_get_n32;
ibuf_get_n64;
ibuf_get_n8;
ibuf_left;
ibuf_open;
ibuf_reserve;
ibuf_rewind;
ibuf_seek;
ibuf_set;
ibuf_set_n8;
ibuf_set_h16;
ibuf_set_h32;
ibuf_set_h64;
ibuf_set_n16;
ibuf_set_n32;
ibuf_set_n64;
ibuf_set_n8;
ibuf_size;
ibuf_skip;
ibuf_truncate;
ibuf_write;
imsg_add;
imsg_clear;
imsg_close;
imsg_compose;
imsg_composev;
imsg_compose_ibuf;
imsg_composev;
imsg_create;
imsg_fd_overhead;
imsg_flush;
imsg_forward;
imsg_free;
imsg_get;
imsg_get_ibuf;
imsg_get_data;
imsg_get_fd;
imsg_get_id;
imsg_get_len;
imsg_get_pid;
imsg_get_type;
imsg_init;
imsg_read;
isduid;
@ -64,6 +93,7 @@
logwtmp;
msgbuf_clear;
msgbuf_init;
msgbuf_queuelen;
msgbuf_write;
ober_add_bitstring;
ober_add_boolean;

496
lib/libutil/ibuf_add.3 Normal file
View File

@ -0,0 +1,496 @@
.\" $OpenBSD: ibuf_add.3,v 1.1 2023/12/12 15:49:21 claudio Exp $
.\"
.\" Copyright (c) 2023 Claudio Jeker <claudio@openbsd.org>
.\" Copyright (c) 2010 Nicholas Marriott <nicm@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
.\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
.\" OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: December 12 2023 $
.Dt IBUF_ADD 3
.Os
.Sh NAME
.Nm ibuf_add ,
.Nm ibuf_add_ibuf ,
.Nm ibuf_add_h16 ,
.Nm ibuf_add_h32 ,
.Nm ibuf_add_h64 ,
.Nm ibuf_add_n16 ,
.Nm ibuf_add_n32 ,
.Nm ibuf_add_n64 ,
.Nm ibuf_add_n8 ,
.Nm ibuf_add_zero ,
.Nm ibuf_close ,
.Nm ibuf_data ,
.Nm ibuf_dynamic ,
.Nm ibuf_fd_avail ,
.Nm ibuf_fd_get ,
.Nm ibuf_fd_set ,
.Nm ibuf_free ,
.Nm ibuf_from_buffer ,
.Nm ibuf_from_ibuf ,
.Nm ibuf_get ,
.Nm ibuf_get_ibuf ,
.Nm ibuf_get_h16 ,
.Nm ibuf_get_h32 ,
.Nm ibuf_get_h64 ,
.Nm ibuf_get_n16 ,
.Nm ibuf_get_n32 ,
.Nm ibuf_get_n64 ,
.Nm ibuf_get_n8 ,
.Nm ibuf_left ,
.Nm ibuf_open ,
.Nm ibuf_reserve ,
.Nm ibuf_rewind ,
.Nm ibuf_seek ,
.Nm ibuf_set ,
.Nm ibuf_set_h16 ,
.Nm ibuf_set_h32 ,
.Nm ibuf_set_h64 ,
.Nm ibuf_set_n16 ,
.Nm ibuf_set_n32 ,
.Nm ibuf_set_n64 ,
.Nm ibuf_set_n8 ,
.Nm ibuf_size ,
.Nm ibuf_skip ,
.Nm ibuf_truncate ,
.Nm ibuf_write ,
.Nm msgbuf_clear ,
.Nm msgbuf_init ,
.Nm msgbuf_queuelen ,
.Nm msgbuf_write
.Nd save buffer API for basic IO
.Sh SYNOPSIS
.In sys/queue.h
.In imsg.h
.Ft int
.Fn ibuf_add "struct ibuf *buf" "const void *data" "size_t len"
.Ft int
.Fn ibuf_add_ibuf "struct ibuf *buf" "const struct ibuf *from"
.Ft int
.Fn ibuf_add_h16 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_h32 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_h64 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_n16 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_n32 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_n64 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_n8 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_zero "struct ibuf *buf" "size_t len"
.Ft void
.Fn ibuf_close "struct msgbuf *msgbuf" "struct ibuf *buf"
.Ft "void *"
.Fn ibuf_data "struct ibuf *buf"
.Ft "struct ibuf *"
.Fn ibuf_dynamic "size_t len" "size_t max"
.Ft int
.Fn ibuf_fd_avail "struct ibuf *buf"
.Ft int
.Fn ibuf_fd_get "struct ibuf *buf"
.Ft void
.Fn ibuf_fd_set "struct ibuf *buf" "int fd"
.Ft void
.Fn ibuf_free "struct ibuf *buf"
.Ft void
.Fn ibuf_from_buffer "struct ibuf *buf" "void *data" "size_t len"
.Ft void
.Fn ibuf_from_ibuf "struct ibuf *buf" "const ibuf *from"
.Ft int
.Fn ibuf_get "struct ibuf *buf" "void *data" "size_t len"
.Ft int
.Fn ibuf_get_ibuf "struct ibuf *buf" "size_t len" "struct ibuf *new"
.Ft int
.Fn ibuf_get_h16 "struct ibuf *buf" "uint16_t *value"
.Ft int
.Fn ibuf_get_h32 "struct ibuf *buf" "uint32_t *value"
.Ft int
.Fn ibuf_get_h64 "struct ibuf *buf" "uint64_t *value"
.Ft int
.Fn ibuf_get_n16 "struct ibuf *buf" "uint16_t *value"
.Ft int
.Fn ibuf_get_n32 "struct ibuf *buf" "uint32_t *value"
.Ft int
.Fn ibuf_get_n64 "struct ibuf *buf" "uint64_t *value"
.Ft int
.Fn ibuf_get_n8 "struct ibuf *buf" "uint8_t *value"
.Ft size_t
.Fn ibuf_left "const struct ibuf *buf"
.Ft "struct ibuf *"
.Fn ibuf_open "size_t len"
.Ft "void *"
.Fn ibuf_reserve "struct ibuf *buf" "size_t len"
.Ft void
.Fn ibuf_rewind "struct ibuf *buf"
.Ft "void *"
.Fn ibuf_seek "struct ibuf *buf" "size_t pos" "size_t len"
.Ft int
.Fn ibuf_set "struct ibuf *buf" "size_t pos" "const void *data" \
"size_t len"
.Ft int
.Fn ibuf_set_h16 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft int
.Fn ibuf_set_h32 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft int
.Fn ibuf_set_h64 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft int
.Fn ibuf_set_n16 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft int
.Fn ibuf_set_n32 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft int
.Fn ibuf_set_n64 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft int
.Fn ibuf_set_n8 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft size_t
.Fn ibuf_size "const struct ibuf *buf"
.Ft int
.Fn ibuf_skip "struct ibuf *buf" "size_t len"
.Ft int
.Fn ibuf_truncate "struct ibuf *buf" "size_t len"
.Ft int
.Fn ibuf_write "struct msgbuf *msgbuf"
.Ft void
.Fn msgbuf_init "struct msgbuf *msgbuf"
.Ft void
.Fn msgbuf_clear "struct msgbuf *msgbuf"
.Ft uint32_t
.Fn msgbuf_queuelen "struct msgbuf *msgbuf"
.Ft int
.Fn msgbuf_write "struct msgbuf *msgbuf"
.Sh DESCRIPTION
The ibuf API defines functions to manipulate buffers, used for example to
construct imsgs with
.Xr imsg_create 3 .
A
.Vt struct ibuf
is a single buffer.
It has a maximum size, a read and a write position.
Buffers should be either constructed with the various
.Fn ibuf_add
and
.Fn ibuf_set
functions or consumed with the various
.Fn ibuf_get
functions.
A
.Vt struct msgbuf
is used to queue the output buffers for transmission.
.Pp
.Fn ibuf_add
appends a block of data to
.Fa buf .
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_add_ibuf
appends the buffer
.Fa from
to
.Fa buf .
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_add_h16 ,
.Fn ibuf_add_h32 ,
and
.Fn ibuf_add_h64
add a 2-byte, 4-byte, and 8-byte
.Fa value
to
.Fa buf
in host byte order.
This function checks
.Fa value
to not overflow.
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_add_n8 ,
.Fn ibuf_add_n16 ,
.Fn ibuf_add_n32 ,
and
.Fn ibuf_add_n64
add a 1-byte, 2-byte, 4-byte, and 8-byte
.Fa value
to
.Fa buf
in network byte order.
This function checks
.Fa value
to not overflow.
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_add_zero
appends a block of zeros to
.Fa buf .
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_close
appends
.Fa buf
to
.Fa msgbuf
ready to be sent.
.Pp
.Fn ibuf_data
returns the pointer to the internal buffer.
This function should only be used together with
.Fn ibuf_size
to process a previously generated buffer.
.Pp
.Fn ibuf_dynamic
allocates a resizeable buffer of initial length
.Fa len
and maximum size
.Fa max .
Buffers allocated with
.Fn ibuf_dynamic
are automatically grown if necessary when data is added.
.Pp
.Fn ibuf_fd_avail ,
.Fn ibuf_fd_get
and
.Fn ibuf_fd_set
are functions to check, get and set the file descriptor assigned to
.Fa buf .
After calling
.Fn ibuf_fd_set
the file descriptor is part of the
.Fa buf
and will be transmitted or closed by the ibuf API.
Any previously set file descriptor will be closed before assigning a
new descriptor.
.Fn ibuf_fd_get
returns the file descriptor and passes the responsibility to track the
descriptor back to the program.
.Fn ibuf_fd_avail
returns true if there is a file descriptor set on
.Fa buf .
.Pp
.Fn ibuf_free
frees
.Fa buf
and any associated storage, and closes any file descriptor set with
.Fn ibuf_fd_set .
If
.Fa buf
is a NULL pointer, no action occurs.
.Pp
.Fn ibuf_from_buffer
initializes the passed
.Fa buf
to point at
.Fa data
and spanning
.Fa len
bytes.
The returned buffer can be read using the various
.Fn ibuf_get
functions .
.Fn ibuf_from_ibuf
duplicates the
.Fa from
ibuf into
.Fa buf
without modifying
.Fa from .
This allows safely peeking into an ibuf without consuming data.
.Pp
.Fn ibuf_get
consumes a block of data from
.Fa buf
spanning
.Fa len
bytes.
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_get_ibuf
consumes
.Fa len
bytes from the buffer
.Fa buf
and returns it in
.Fa new
covering this region.
The data in this buffer is only valid as long as
.Fa buf
remains valid .
There is no need to deallocate
.Fa new
using
.Fn ibuf_free .
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_get_h16 ,
.Fn ibuf_get_h32 ,
and
.Fn ibuf_get_h64
get a 2-byte, 4-byte, and 8-byte
.Fa value
from
.Fa buf
without altering byte order.
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_get_n8 ,
.Fn ibuf_get_n16 ,
.Fn ibuf_get_n32 ,
and
.Fn ibuf_get_n64
get a 1-byte, 2-byte, 4-byte, and 8-byte
.Fa value
from
.Fa buf
converting the value from network to host byte order.
0 is returned on success and \-1 on failure.
.Pp
The
.Fn ibuf_open
function allocates a fixed-length buffer.
The buffer may not be resized and may contain a maximum of
.Fa len
bytes.
On success
.Fn ibuf_open
returns a pointer to the buffer; on failure it returns NULL.
.Pp
.Fn ibuf_reserve
is used to reserve
.Fa len
bytes in
.Fa buf .
A pointer to the start of the reserved space is returned, or NULL on error.
.Pp
.Fn ibuf_rewind
resets the read offset to the start of the buffer.
.Pp
.Fn ibuf_seek
returns a pointer to the part of the buffer at offset
.Fa pos
and of extent
.Fa len .
NULL is returned if the requested range is outside the part of the buffer
in use.
.Pp
.Fn ibuf_set
replaces a part of
.Fa buf
at offset
.Fa pos
with the
.Fa data
of extent
.Fa len .
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_set_h16 ,
.Fn ibuf_set_h32
and
.Fn ibuf_set_h64
replace a 2-byte, 4-byte or 8-byte
.Fa value
at offset
.Fa pos
in the buffer
.Fa buf
in host byte order.
This function checks
.Fa value
to not overflow.
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_set_n8 ,
.Fn ibuf_set_n16 ,
.Fn ibuf_set_n32
and
.Fn ibuf_set_n64
replace a 1-byte, 2-byte, 4-byte or 8-byte
.Fa value
at offset
.Fa pos
in the buffer
.Fa buf
in network byte order.
This function checks
.Fa value
to not overflow.
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_size
and
.Fn ibuf_left
are functions which return the total bytes used and available in
.Fa buf ,
respectively.
.Pp
.Fn ibuf_skip
advances the read position in
.Fa buf
by
.Fa len
bytes.
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_truncate
truncates the buffer to
.Fa len
bytes if necessary zero extending the buffer.
0 is returned on success and \-1 on failure.
.Pp
The
.Fn ibuf_write
routine transmits as many pending buffers as possible from
.Fa msgbuf
using
.Xr writev 2 .
It returns 1 if it succeeds, \-1 on error and 0 when no buffers were
pending or an EOF condition on the socket is detected.
Temporary resource shortages are returned with errno
.Er EAGAIN
and require the application to retry again in the future.
.Pp
The
.Fn msgbuf_init
function initializes
.Fa msgbuf
so that buffers may be appended to it.
The
.Fa fd
member should also be set directly before
.Fn msgbuf_write
is used.
.Pp
.Fn msgbuf_clear
empties a msgbuf, removing and discarding any queued buffers.
.Pp
.Fn msgbuf_queuelen
returns the number of messages queued in
.Fa msgbuf .
This function returns 0 if no messages are pending for transmission.
.Pp
The
.Fn msgbuf_write
routine calls
.Xr sendmsg 2
to transmit buffers queued in
.Fa msgbuf .
It returns 1 if it succeeds, \-1 on error, and 0 when the queue was empty
or an EOF condition on the socket is detected.
Temporary resource shortages are returned with errno
.Er EAGAIN
and require the application to retry again in the future.
.Sh SEE ALSO
.Xr socketpair 2 ,
.Xr imsg_init 3 ,
.Xr unix 4

255
lib/libutil/imsg-buffer.c
View File

@ -1,6 +1,7 @@
/* $OpenBSD: imsg-buffer.c,v 1.17 2023/10/24 14:05:23 claudio Exp $ */
/* $OpenBSD: imsg-buffer.c,v 1.18 2023/12/12 15:47:41 claudio Exp $ */
/*
* Copyright (c) 2023 Claudio Jeker <claudio@openbsd.org>
* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
@ -24,6 +25,7 @@
#include <limits.h>
#include <errno.h>
#include <endian.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
@ -61,7 +63,7 @@ ibuf_dynamic(size_t len, size_t max)
{
struct ibuf *buf;
if (max < len) {
if (max == 0 || max < len) {
errno = EINVAL;
return (NULL);
}
@ -106,7 +108,7 @@ ibuf_reserve(struct ibuf *buf, size_t len)
{
void *b;
if (len > SIZE_MAX - buf->wpos) {
if (len > SIZE_MAX - buf->wpos || buf->max == 0) {
errno = ERANGE;
return (NULL);
}
@ -117,7 +119,6 @@ ibuf_reserve(struct ibuf *buf, size_t len)
b = buf->buf + buf->wpos;
buf->wpos += len;
memset(b, 0, len);
return (b);
}
@ -133,10 +134,17 @@ ibuf_add(struct ibuf *buf, const void *data, size_t len)
return (0);
}
int
ibuf_add_ibuf(struct ibuf *buf, const struct ibuf *from)
{
return ibuf_add(buf, ibuf_data(from), ibuf_size(from));
}
/* remove after tree is converted */
int
ibuf_add_buf(struct ibuf *buf, const struct ibuf *from)
{
return ibuf_add(buf, from->buf, from->wpos);
return ibuf_add_ibuf(buf, from);
}
int
@ -185,6 +193,38 @@ ibuf_add_n64(struct ibuf *buf, uint64_t value)
return ibuf_add(buf, &value, sizeof(value));
}
int
ibuf_add_h16(struct ibuf *buf, uint64_t value)
{
uint16_t v;
if (value > UINT16_MAX) {
errno = EINVAL;
return (-1);
}
v = value;
return ibuf_add(buf, &v, sizeof(v));
}
int
ibuf_add_h32(struct ibuf *buf, uint64_t value)
{
uint32_t v;
if (value > UINT32_MAX) {
errno = EINVAL;
return (-1);
}
v = value;
return ibuf_add(buf, &v, sizeof(v));
}
int
ibuf_add_h64(struct ibuf *buf, uint64_t value)
{
return ibuf_add(buf, &value, sizeof(value));
}
int
ibuf_add_zero(struct ibuf *buf, size_t len)
{
@ -192,19 +232,21 @@ ibuf_add_zero(struct ibuf *buf, size_t len)
if ((b = ibuf_reserve(buf, len)) == NULL)
return (-1);
memset(b, 0, len);
return (0);
}
void *
ibuf_seek(struct ibuf *buf, size_t pos, size_t len)
{
/* only allowed to seek in already written parts */
if (len > SIZE_MAX - pos || pos + len > buf->wpos) {
/* only allow seeking between rpos and wpos */
if (ibuf_size(buf) < pos || SIZE_MAX - pos < len ||
ibuf_size(buf) < pos + len) {
errno = ERANGE;
return (NULL);
}
return (buf->buf + pos);
return (buf->buf + buf->rpos + pos);
}
int
@ -265,35 +307,199 @@ ibuf_set_n64(struct ibuf *buf, size_t pos, uint64_t value)
return (ibuf_set(buf, pos, &value, sizeof(value)));
}
int
ibuf_set_h16(struct ibuf *buf, size_t pos, uint64_t value)
{
uint16_t v;
if (value > UINT16_MAX) {
errno = EINVAL;
return (-1);
}
v = value;
return (ibuf_set(buf, pos, &v, sizeof(v)));
}
int
ibuf_set_h32(struct ibuf *buf, size_t pos, uint64_t value)
{
uint32_t v;
if (value > UINT32_MAX) {
errno = EINVAL;
return (-1);
}
v = value;
return (ibuf_set(buf, pos, &v, sizeof(v)));
}
int
ibuf_set_h64(struct ibuf *buf, size_t pos, uint64_t value)
{
return (ibuf_set(buf, pos, &value, sizeof(value)));
}
void *
ibuf_data(struct ibuf *buf)
ibuf_data(const struct ibuf *buf)
{
return (buf->buf);
return (buf->buf + buf->rpos);
}
size_t
ibuf_size(struct ibuf *buf)
ibuf_size(const struct ibuf *buf)
{
return (buf->wpos);
return (buf->wpos - buf->rpos);
}
size_t
ibuf_left(struct ibuf *buf)
ibuf_left(const struct ibuf *buf)
{
if (buf->max == 0)
return (0);
return (buf->max - buf->wpos);
}
int
ibuf_truncate(struct ibuf *buf, size_t len)
{
if (ibuf_size(buf) >= len) {
buf->wpos = buf->rpos + len;
return (0);
}
if (buf->max == 0) {
/* only allow to truncate down */
errno = ERANGE;
return (-1);
}
return ibuf_add_zero(buf, len - ibuf_size(buf));
}
void
ibuf_rewind(struct ibuf *buf)
{
buf->rpos = 0;
}
void
ibuf_close(struct msgbuf *msgbuf, struct ibuf *buf)
{
ibuf_enqueue(msgbuf, buf);
}
void
ibuf_from_buffer(struct ibuf *buf, void *data, size_t len)
{
memset(buf, 0, sizeof(*buf));
buf->buf = data;
buf->size = buf->wpos = len;
buf->fd = -1;
}
void
ibuf_from_ibuf(struct ibuf *buf, const struct ibuf *from)
{
ibuf_from_buffer(buf, ibuf_data(from), ibuf_size(from));
}
int
ibuf_get(struct ibuf *buf, void *data, size_t len)
{
if (ibuf_size(buf) < len) {
errno = EBADMSG;
return (-1);
}
memcpy(data, ibuf_data(buf), len);
buf->rpos += len;
return (0);
}
int
ibuf_get_ibuf(struct ibuf *buf, size_t len, struct ibuf *new)
{
if (ibuf_size(buf) < len) {
errno = EBADMSG;
return (-1);
}
ibuf_from_buffer(new, ibuf_data(buf), len);
buf->rpos += len;
return (0);
}
int
ibuf_get_n8(struct ibuf *buf, uint8_t *value)
{
return ibuf_get(buf, value, sizeof(*value));
}
int
ibuf_get_n16(struct ibuf *buf, uint16_t *value)
{
int rv;
rv = ibuf_get(buf, value, sizeof(*value));
*value = be16toh(*value);
return (rv);
}
int
ibuf_get_n32(struct ibuf *buf, uint32_t *value)
{
int rv;
rv = ibuf_get(buf, value, sizeof(*value));
*value = be32toh(*value);
return (rv);
}
int
ibuf_get_n64(struct ibuf *buf, uint64_t *value)
{
int rv;
rv = ibuf_get(buf, value, sizeof(*value));
*value = be64toh(*value);
return (rv);
}
int
ibuf_get_h16(struct ibuf *buf, uint16_t *value)
{
return ibuf_get(buf, value, sizeof(*value));
}
int
ibuf_get_h32(struct ibuf *buf, uint32_t *value)
{
return ibuf_get(buf, value, sizeof(*value));
}
int
ibuf_get_h64(struct ibuf *buf, uint64_t *value)
{
return ibuf_get(buf, value, sizeof(*value));
}
int
ibuf_skip(struct ibuf *buf, size_t len)
{
if (ibuf_size(buf) < len) {
errno = EBADMSG;
return (-1);
}
buf->rpos += len;
return (0);
}
void
ibuf_free(struct ibuf *buf)
{
if (buf == NULL)
return;
if (buf->max == 0) /* if buf lives on the stack */
abort(); /* abort before causing more harm */
if (buf->fd != -1)
close(buf->fd);
freezero(buf->buf, buf->size);
@ -319,6 +525,8 @@ ibuf_fd_get(struct ibuf *buf)
void
ibuf_fd_set(struct ibuf *buf, int fd)
{
if (buf->max == 0) /* if buf lives on the stack */
abort(); /* abort before causing more harm */
if (buf->fd != -1)
close(buf->fd);
buf->fd = fd;
@ -336,8 +544,8 @@ ibuf_write(struct msgbuf *msgbuf)
TAILQ_FOREACH(buf, &msgbuf->bufs, entry) {
if (i >= IOV_MAX)
break;
iov[i].iov_base = buf->buf + buf->rpos;
iov[i].iov_len = buf->wpos - buf->rpos;
iov[i].iov_base = ibuf_data(buf);
iov[i].iov_len = ibuf_size(buf);
i++;
}
@ -376,8 +584,8 @@ msgbuf_drain(struct msgbuf *msgbuf, size_t n)
for (buf = TAILQ_FIRST(&msgbuf->bufs); buf != NULL && n > 0;
buf = next) {
next = TAILQ_NEXT(buf, entry);
if (n >= buf->wpos - buf->rpos) {
n -= buf->wpos - buf->rpos;
if (n >= ibuf_size(buf)) {
n -= ibuf_size(buf);
ibuf_dequeue(msgbuf, buf);
} else {
buf->rpos += n;
@ -417,8 +625,8 @@ msgbuf_write(struct msgbuf *msgbuf)
break;
if (i > 0 && buf->fd != -1)
break;
iov[i].iov_base = buf->buf + buf->rpos;
iov[i].iov_len = buf->wpos - buf->rpos;
iov[i].iov_base = ibuf_data(buf);
iov[i].iov_len = ibuf_size(buf);
i++;
if (buf->fd != -1)
buf0 = buf;
@ -465,9 +673,17 @@ again:
return (1);
}
uint32_t
msgbuf_queuelen(struct msgbuf *msgbuf)
{
return (msgbuf->queued);
}
static void
ibuf_enqueue(struct msgbuf *msgbuf, struct ibuf *buf)
{
if (buf->max == 0) /* if buf lives on the stack */
abort(); /* abort before causing more harm */
TAILQ_INSERT_TAIL(&msgbuf->bufs, buf, entry);
msgbuf->queued++;
}
@ -476,7 +692,6 @@ static void
ibuf_dequeue(struct msgbuf *msgbuf, struct ibuf *buf)
{
TAILQ_REMOVE(&msgbuf->bufs, buf, entry);
msgbuf->queued--;
ibuf_free(buf);
}

172
lib/libutil/imsg.c
View File

@ -1,6 +1,7 @@
/* $OpenBSD: imsg.c,v 1.22 2023/11/18 07:14:13 claudio Exp $ */
/* $OpenBSD: imsg.c,v 1.23 2023/12/12 15:47:41 claudio Exp $ */
/*
* Copyright (c) 2023 Claudio Jeker <claudio@openbsd.org>
* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
@ -28,6 +29,11 @@
#include "imsg.h"
struct imsg_fd {
TAILQ_ENTRY(imsg_fd) entry;
int fd;
};
int imsg_fd_overhead = 0;
static int imsg_dequeue_fd(struct imsgbuf *);
@ -123,6 +129,7 @@ fail:
ssize_t
imsg_get(struct imsgbuf *imsgbuf, struct imsg *imsg)
{
struct imsg m;
size_t av, left, datalen;
av = imsgbuf->r.wpos;
@ -130,42 +137,108 @@ imsg_get(struct imsgbuf *imsgbuf, struct imsg *imsg)
if (IMSG_HEADER_SIZE > av)
return (0);
memcpy(&imsg->hdr, imsgbuf->r.buf, sizeof(imsg->hdr));
if (imsg->hdr.len < IMSG_HEADER_SIZE ||
imsg->hdr.len > MAX_IMSGSIZE) {
memcpy(&m.hdr, imsgbuf->r.buf, sizeof(m.hdr));
if (m.hdr.len < IMSG_HEADER_SIZE ||
m.hdr.len > MAX_IMSGSIZE) {
errno = ERANGE;
return (-1);
}
if (imsg->hdr.len > av)
if (m.hdr.len > av)
return (0);
datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
m.fd = -1;
m.buf = NULL;
m.data = NULL;
datalen = m.hdr.len - IMSG_HEADER_SIZE;
imsgbuf->r.rptr = imsgbuf->r.buf + IMSG_HEADER_SIZE;
if (datalen == 0)
imsg->data = NULL;
else if ((imsg->data = malloc(datalen)) == NULL)
return (-1);
if (datalen != 0) {
if ((m.buf = ibuf_open(datalen)) == NULL)
return (-1);
if (ibuf_add(m.buf, imsgbuf->r.rptr, datalen) == -1) {
/* this should never fail */
ibuf_free(m.buf);
return (-1);
}
m.data = ibuf_data(m.buf);
}
if (imsg->hdr.flags & IMSGF_HASFD)
imsg->fd = imsg_dequeue_fd(imsgbuf);
else
imsg->fd = -1;
if (m.hdr.flags & IMSGF_HASFD)
m.fd = imsg_dequeue_fd(imsgbuf);
if (datalen != 0)
memcpy(imsg->data, imsgbuf->r.rptr, datalen);
if (imsg->hdr.len < av) {
left = av - imsg->hdr.len;
memmove(&imsgbuf->r.buf, imsgbuf->r.buf + imsg->hdr.len, left);
if (m.hdr.len < av) {
left = av - m.hdr.len;
memmove(&imsgbuf->r.buf, imsgbuf->r.buf + m.hdr.len, left);
imsgbuf->r.wpos = left;
} else
imsgbuf->r.wpos = 0;
*imsg = m;
return (datalen + IMSG_HEADER_SIZE);
}
int
imsg_get_ibuf(struct imsg *imsg, struct ibuf *ibuf)
{
if (imsg->buf == NULL) {
errno = EBADMSG;
return (-1);
}
return ibuf_get_ibuf(imsg->buf, ibuf_size(imsg->buf), ibuf);
}
int
imsg_get_data(struct imsg *imsg, void *data, size_t len)
{
if (len == 0) {
errno = EINVAL;
return (-1);
}
if (imsg->buf == NULL || ibuf_size(imsg->buf) != len) {
errno = EBADMSG;
return (-1);
}
return ibuf_get(imsg->buf, data, len);
}
int
imsg_get_fd(struct imsg *imsg)
{
int fd = imsg->fd;
imsg->fd = -1;
return fd;
}
uint32_t
imsg_get_id(struct imsg *imsg)
{
return (imsg->hdr.peerid);
}
size_t
imsg_get_len(struct imsg *imsg)
{
if (imsg->buf == NULL)
return 0;
return ibuf_size(imsg->buf);
}
pid_t
imsg_get_pid(struct imsg *imsg)
{
return (imsg->hdr.pid);
}
uint32_t
imsg_get_type(struct imsg *imsg)
{
return (imsg->hdr.type);
}
int
imsg_compose(struct imsgbuf *imsgbuf, uint32_t type, uint32_t id, pid_t pid,
int fd, const void *data, uint16_t datalen)
int fd, const void *data, size_t datalen)
{
struct ibuf *wbuf;
@ -186,7 +259,8 @@ imsg_composev(struct imsgbuf *imsgbuf, uint32_t type, uint32_t id, pid_t pid,
int fd, const struct iovec *iov, int iovcnt)
{
struct ibuf *wbuf;
int i, datalen = 0;
int i;
size_t datalen = 0;
for (i = 0; i < iovcnt; i++)
datalen += iov[i].iov_len;
@ -204,11 +278,15 @@ imsg_composev(struct imsgbuf *imsgbuf, uint32_t type, uint32_t id, pid_t pid,
return (1);
}
/*
* Enqueue imsg with payload from ibuf buf. fd passing is not possible
* with this function.
*/
int
imsg_compose_ibuf(struct imsgbuf *imsgbuf, uint32_t type, uint32_t id,
pid_t pid, struct ibuf *buf)
{
struct ibuf *wbuf = NULL;
struct ibuf *hdrbuf = NULL;
struct imsg_hdr hdr;
int save_errno;
@ -224,26 +302,60 @@ imsg_compose_ibuf(struct imsgbuf *imsgbuf, uint32_t type, uint32_t id,
if ((hdr.pid = pid) == 0)
hdr.pid = imsgbuf->pid;
if ((wbuf = ibuf_open(IMSG_HEADER_SIZE)) == NULL)
if ((hdrbuf = ibuf_open(IMSG_HEADER_SIZE)) == NULL)
goto fail;
if (imsg_add(wbuf, &hdr, sizeof(hdr)) == -1)
if (imsg_add(hdrbuf, &hdr, sizeof(hdr)) == -1)
goto fail;
ibuf_close(&imsgbuf->w, wbuf);
ibuf_close(&imsgbuf->w, hdrbuf);
ibuf_close(&imsgbuf->w, buf);
return (1);
fail:
save_errno = errno;
ibuf_free(buf);
ibuf_free(wbuf);
ibuf_free(hdrbuf);
errno = save_errno;
return (-1);
}
/*
* Forward imsg to another channel. Any attached fd is closed.
*/
int
imsg_forward(struct imsgbuf *imsgbuf, struct imsg *msg)
{
struct ibuf *wbuf;
size_t len = 0;
if (msg->fd != -1) {
close(msg->fd);
msg->fd = -1;
}
if (msg->buf != NULL) {
ibuf_rewind(msg->buf);
len = ibuf_size(msg->buf);
}
if ((wbuf = imsg_create(imsgbuf, msg->hdr.type, msg->hdr.peerid,
msg->hdr.pid, len)) == NULL)
return (-1);
if (msg->buf != NULL) {
if (ibuf_add_buf(wbuf, msg->buf) == -1) {
ibuf_free(wbuf);
return (-1);
}
}
imsg_close(imsgbuf, wbuf);
return (1);
}
struct ibuf *
imsg_create(struct imsgbuf *imsgbuf, uint32_t type, uint32_t id, pid_t pid,
uint16_t datalen)
size_t datalen)
{
struct ibuf *wbuf;
struct imsg_hdr hdr;
@ -269,7 +381,7 @@ imsg_create(struct imsgbuf *imsgbuf, uint32_t type, uint32_t id, pid_t pid,
}
int
imsg_add(struct ibuf *msg, const void *data, uint16_t datalen)
imsg_add(struct ibuf *msg, const void *data, size_t datalen)
{
if (datalen)
if (ibuf_add(msg, data, datalen) == -1) {
@ -297,7 +409,7 @@ imsg_close(struct imsgbuf *imsgbuf, struct ibuf *msg)
void
imsg_free(struct imsg *imsg)
{
freezero(imsg->data, imsg->hdr.len - IMSG_HEADER_SIZE);
ibuf_free(imsg->buf);
}
static int

54
lib/libutil/imsg.h
View File

@ -1,6 +1,7 @@
/* $OpenBSD: imsg.h,v 1.7 2023/06/19 17:19:50 claudio Exp $ */
/* $OpenBSD: imsg.h,v 1.8 2023/12/12 15:47:41 claudio Exp $ */
/*
* Copyright (c) 2023 Claudio Jeker <claudio@openbsd.org>
* Copyright (c) 2006, 2007 Pierre-Yves Ritschard <pyr@openbsd.org>
* Copyright (c) 2006, 2007, 2008 Reyk Floeter <reyk@openbsd.org>
* Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@ -21,7 +22,7 @@
#ifndef _IMSG_H_
#define _IMSG_H_
#include <stdint.h>
#include <sys/types.h>
#define IBUF_READ_SIZE 65535
#define IMSG_HEADER_SIZE sizeof(struct imsg_hdr)
@ -49,11 +50,7 @@ struct ibuf_read {
size_t wpos;
};
struct imsg_fd {
TAILQ_ENTRY(imsg_fd) entry;
int fd;
};
struct imsg_fd;
struct imsgbuf {
TAILQ_HEAD(, imsg_fd) fds;
struct ibuf_read r;
@ -76,6 +73,7 @@ struct imsg {
struct imsg_hdr hdr;
int fd;
void *data;
struct ibuf *buf;
};
struct iovec;
@ -85,11 +83,15 @@ struct ibuf *ibuf_open(size_t);
struct ibuf *ibuf_dynamic(size_t, size_t);
int ibuf_add(struct ibuf *, const void *, size_t);
int ibuf_add_buf(struct ibuf *, const struct ibuf *);
int ibuf_add_ibuf(struct ibuf *, const struct ibuf *);
int ibuf_add_zero(struct ibuf *, size_t);
int ibuf_add_n8(struct ibuf *, uint64_t);
int ibuf_add_n16(struct ibuf *, uint64_t);
int ibuf_add_n32(struct ibuf *, uint64_t);
int ibuf_add_n64(struct ibuf *, uint64_t);
int ibuf_add_h16(struct ibuf *, uint64_t);
int ibuf_add_h32(struct ibuf *, uint64_t);
int ibuf_add_h64(struct ibuf *, uint64_t);
void *ibuf_reserve(struct ibuf *, size_t);
void *ibuf_seek(struct ibuf *, size_t, size_t);
int ibuf_set(struct ibuf *, size_t, const void *, size_t);
@ -97,10 +99,27 @@ int ibuf_set_n8(struct ibuf *, size_t, uint64_t);
int ibuf_set_n16(struct ibuf *, size_t, uint64_t);
int ibuf_set_n32(struct ibuf *, size_t, uint64_t);
int ibuf_set_n64(struct ibuf *, size_t, uint64_t);
void *ibuf_data(struct ibuf *);
size_t ibuf_size(struct ibuf *);
size_t ibuf_left(struct ibuf *);
int ibuf_set_h16(struct ibuf *, size_t, uint64_t);
int ibuf_set_h32(struct ibuf *, size_t, uint64_t);
int ibuf_set_h64(struct ibuf *, size_t, uint64_t);
void *ibuf_data(const struct ibuf *);
size_t ibuf_size(const struct ibuf *);
size_t ibuf_left(const struct ibuf *);
int ibuf_truncate(struct ibuf *, size_t);
void ibuf_rewind(struct ibuf *);
void ibuf_close(struct msgbuf *, struct ibuf *);
void ibuf_from_buffer(struct ibuf *, void *, size_t);
void ibuf_from_ibuf(struct ibuf *, const struct ibuf *);
int ibuf_get(struct ibuf *, void *, size_t);
int ibuf_get_ibuf(struct ibuf *, size_t, struct ibuf *);
int ibuf_get_n8(struct ibuf *, uint8_t *);
int ibuf_get_n16(struct ibuf *, uint16_t *);
int ibuf_get_n32(struct ibuf *, uint32_t *);
int ibuf_get_n64(struct ibuf *, uint64_t *);
int ibuf_get_h16(struct ibuf *, uint16_t *);
int ibuf_get_h32(struct ibuf *, uint32_t *);
int ibuf_get_h64(struct ibuf *, uint64_t *);
int ibuf_skip(struct ibuf *, size_t);
void ibuf_free(struct ibuf *);
int ibuf_fd_avail(struct ibuf *);
int ibuf_fd_get(struct ibuf *);
@ -108,20 +127,29 @@ void ibuf_fd_set(struct ibuf *, int);
int ibuf_write(struct msgbuf *);
void msgbuf_init(struct msgbuf *);
void msgbuf_clear(struct msgbuf *);
uint32_t msgbuf_queuelen(struct msgbuf *);
int msgbuf_write(struct msgbuf *);
/* imsg.c */
void imsg_init(struct imsgbuf *, int);
ssize_t imsg_read(struct imsgbuf *);
ssize_t imsg_get(struct imsgbuf *, struct imsg *);
int imsg_get_ibuf(struct imsg *, struct ibuf *);
int imsg_get_data(struct imsg *, void *, size_t);
int imsg_get_fd(struct imsg *);
uint32_t imsg_get_id(struct imsg *);
size_t imsg_get_len(struct imsg *);
pid_t imsg_get_pid(struct imsg *);
uint32_t imsg_get_type(struct imsg *);
int imsg_forward(struct imsgbuf *, struct imsg *);
int imsg_compose(struct imsgbuf *, uint32_t, uint32_t, pid_t, int,
const void *, uint16_t);
const void *, size_t);
int imsg_composev(struct imsgbuf *, uint32_t, uint32_t, pid_t, int,
const struct iovec *, int);
int imsg_compose_ibuf(struct imsgbuf *, uint32_t, uint32_t, pid_t,
struct ibuf *);
struct ibuf *imsg_create(struct imsgbuf *, uint32_t, uint32_t, pid_t, uint16_t);
int imsg_add(struct ibuf *, const void *, uint16_t);
struct ibuf *imsg_create(struct imsgbuf *, uint32_t, uint32_t, pid_t, size_t);
int imsg_add(struct ibuf *, const void *, size_t);
void imsg_close(struct imsgbuf *, struct ibuf *);
void imsg_free(struct imsg *);
int imsg_flush(struct imsgbuf *);

479
lib/libutil/imsg_init.3
View File

@ -1,5 +1,6 @@
.\" $OpenBSD: imsg_init.3,v 1.30 2023/09/28 17:00:21 schwarze Exp $
.\" $OpenBSD: imsg_init.3,v 1.31 2023/12/12 15:49:21 claudio Exp $
.\"
.\" Copyright (c) 2023 Claudio Jeker <claudio@openbsd.org>
.\" Copyright (c) 2010 Nicholas Marriott <nicm@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
@ -14,50 +15,30 @@
.\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
.\" OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: September 28 2023 $
.Dd $Mdocdate: December 12 2023 $
.Dt IMSG_INIT 3
.Os
.Sh NAME
.Nm imsg_init ,
.Nm imsg_read ,
.Nm imsg_get ,
.Nm imsg_get_ibuf ,
.Nm imsg_get_data ,
.Nm imsg_get_fd ,
.Nm imsg_get_id ,
.Nm imsg_get_len ,
.Nm imsg_get_pid ,
.Nm imsg_get_type ,
.Nm imsg_compose ,
.Nm imsg_composev ,
.Nm imsg_compose_ibuf ,
.Nm imsg_create ,
.Nm imsg_add ,
.Nm imsg_close ,
.Nm imsg_forward ,
.Nm imsg_free ,
.Nm imsg_flush ,
.Nm imsg_clear ,
.Nm ibuf_open ,
.Nm ibuf_dynamic ,
.Nm ibuf_add ,
.Nm ibuf_add_buf ,
.Nm ibuf_add_n8 ,
.Nm ibuf_add_n16 ,
.Nm ibuf_add_n32 ,
.Nm ibuf_add_n64 ,
.Nm ibuf_add_zero ,
.Nm ibuf_reserve ,
.Nm ibuf_seek ,
.Nm ibuf_set ,
.Nm ibuf_set_n8 ,
.Nm ibuf_set_n16 ,
.Nm ibuf_set_n32 ,
.Nm ibuf_set_n64 ,
.Nm ibuf_data ,
.Nm ibuf_size ,
.Nm ibuf_left ,
.Nm ibuf_close ,
.Nm ibuf_free ,
.Nm ibuf_fd_avail ,
.Nm ibuf_fd_get ,
.Nm ibuf_fd_set ,
.Nm ibuf_write ,
.Nm msgbuf_init ,
.Nm msgbuf_clear ,
.Nm msgbuf_write
.Nm imsg_clear
.Nd IPC messaging functions
.Sh SYNOPSIS
.In sys/types.h
@ -66,90 +47,49 @@
.In stdint.h
.In imsg.h
.Ft void
.Fn imsg_init "struct imsgbuf *ibuf" "int fd"
.Fn imsg_init "struct imsgbuf *imsgbuf" "int fd"
.Ft ssize_t
.Fn imsg_read "struct imsgbuf *ibuf"
.Fn imsg_read "struct imsgbuf *imsgbuf"
.Ft ssize_t
.Fn imsg_get "struct imsgbuf *ibuf" "struct imsg *imsg"
.Fn imsg_get "struct imsgbuf *imsgbuf" "struct imsg *imsg"
.Ft int
.Fn imsg_compose "struct imsgbuf *ibuf" "uint32_t type" "uint32_t peerid" \
"pid_t pid" "int fd" "const void *data" "uint16_t datalen"
.Fn imsg_get_ibuf "struct imsg *imsg" "struct ibuf *ibuf"
.Ft int
.Fn imsg_composev "struct imsgbuf *ibuf" "uint32_t type" "uint32_t peerid" \
.Fn imsg_get_data "struct imsg *imsg" "void *data" "size_t len"
.Ft int
.Fn imsg_get_fd "struct imsg *imsg"
.Ft uint32_t
.Fn imsg_get_id "struct imsg *imsg"
.Ft size_t
.Fn imsg_get_len "struct imsg *imsg"
.Ft pid_t
.Fn imsg_get_pid "struct imsg *imsg"
.Ft uint32_t
.Fn imsg_get_type "struct imsg *imsg"
.Ft int
.Fn imsg_compose "struct imsgbuf *imsgbuf" "uint32_t type" "uint32_t id" \
"pid_t pid" "int fd" "const void *data" "size_t datalen"
.Ft int
.Fn imsg_composev "struct imsgbuf *imsgbuf" "uint32_t type" "uint32_t id" \
"pid_t pid" "int fd" "const struct iovec *iov" "int iovcnt"
.Ft int
.Fn imsg_compose_ibuf "struct imsgbuf *ibuf" "uint32_t type" "uint32_t peerid" \
"pid_t pid" "struct ibuf *buf"
.Fn imsg_compose_ibuf "struct imsgbuf *imsgbuf" "uint32_t type" \
"uint32_t id" "pid_t pid" "struct ibuf *buf"
.Ft "struct ibuf *"
.Fn imsg_create "struct imsgbuf *ibuf" "uint32_t type" "uint32_t peerid" \
"pid_t pid" "uint16_t datalen"
.Fn imsg_create "struct imsgbuf *imsgbuf" "uint32_t type" "uint32_t id" \
"pid_t pid" "size_t datalen"
.Ft int
.Fn imsg_add "struct ibuf *msg" "const void *data" "uint16_t datalen"
.Fn imsg_add "struct ibuf *msg" "const void *data" "size_t datalen"
.Ft void
.Fn imsg_close "struct imsgbuf *ibuf" "struct ibuf *msg"
.Fn imsg_close "struct imsgbuf *imsgbuf" "struct ibuf *msg"
.Ft void
.Fn imsg_free "struct imsg *imsg"
.Ft int
.Fn imsg_flush "struct imsgbuf *ibuf"
.Fn imsg_forward "struct imsgbuf *imsgbuf" "struct imsg *msg"
.Ft int
.Fn imsg_flush "struct imsgbuf *imsgbuf"
.Ft void
.Fn imsg_clear "struct imsgbuf *ibuf"
.Ft "struct ibuf *"
.Fn ibuf_open "size_t len"
.Ft "struct ibuf *"
.Fn ibuf_dynamic "size_t len" "size_t max"
.Ft int
.Fn ibuf_add "struct ibuf *buf" "const void *data" "size_t len"
.Ft int
.Fn ibuf_add_buf "struct ibuf *buf" "const struct ibuf *from"
.Ft int
.Fn ibuf_add_n8 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_n16 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_n32 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_n64 "struct ibuf *buf" "uint64_t value"
.Ft int
.Fn ibuf_add_zero "struct ibuf *buf" "size_t len"
.Ft "void *"
.Fn ibuf_reserve "struct ibuf *buf" "size_t len"
.Ft "void *"
.Fn ibuf_seek "struct ibuf *buf" "size_t pos" "size_t len"
.Ft int
.Fn ibuf_set "struct ibuf *buf" "size_t pos" "const void *data" \
"size_t len"
.Ft int
.Fn ibuf_set_n8 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft int
.Fn ibuf_set_n16 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft int
.Fn ibuf_set_n32 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft int
.Fn ibuf_set_n64 "struct ibuf *buf" "size_t pos" "uint64_t value"
.Ft "void *"
.Fn ibuf_data "struct ibuf *buf"
.Ft size_t
.Fn ibuf_size "struct ibuf *buf"
.Ft size_t
.Fn ibuf_left "struct ibuf *buf"
.Ft void
.Fn ibuf_close "struct msgbuf *msgbuf" "struct ibuf *buf"
.Ft void
.Fn ibuf_free "struct ibuf *buf"
.Ft int
.Fn ibuf_fd_avail "struct ibuf *buf"
.Ft int
.Fn ibuf_fd_get "struct ibuf *buf"
.Ft void
.Fn ibuf_fd_set "struct ibuf *buf" "int fd"
.Ft int
.Fn ibuf_write "struct msgbuf *msgbuf"
.Ft void
.Fn msgbuf_init "struct msgbuf *msgbuf"
.Ft void
.Fn msgbuf_clear "struct msgbuf *msgbuf"
.Ft int
.Fn msgbuf_write "struct msgbuf *msgbuf"
.Fn imsg_clear "struct imsgbuf *imsgbuf"
.Sh DESCRIPTION
The
.Nm imsg
@ -181,7 +121,7 @@ struct imsgbuf {
.Pp
.Fn imsg_init
initializes
.Fa ibuf
.Fa imsgbuf
as one side of a channel associated with
.Fa fd .
The file descriptor is used to send and receive messages,
@ -208,7 +148,7 @@ imsgbuf.
.Fn imsg_create
creates a new message with header specified by
.Fa type ,
.Fa peerid
.Fa id
and
.Fa pid .
A
@ -216,7 +156,7 @@ A
of zero uses the process ID returned by
.Xr getpid 2
when
.Fa ibuf
.Fa imsgbuf
was initialized.
In addition to this common imsg header,
.Fa datalen
@ -242,7 +182,7 @@ is freed and \-1 is returned.
completes creation of
.Fa msg
by adding it to
.Fa ibuf
.Fa imsgbuf
output buffer.
.Pp
.Fn imsg_compose
@ -281,6 +221,13 @@ In either case the buffer
.Fa buf
is consumed by the function.
.Pp
.Fn imsg_forward
forwards a just received
.Fa msg
unaltered on
.Fa imsgbuf .
Any attached filedescriptor is closed.
.Pp
.Fn imsg_flush
calls
.Fn msgbuf_write
@ -313,268 +260,54 @@ Received messages are returned as a
which must be freed by
.Fn imsg_free
when no longer required.
.Em struct imsg
has this form:
.Bd -literal -offset indent
struct imsg {
struct imsg_hdr hdr;
int fd;
void *data;
};
struct imsg_hdr {
uint32_t type;
uint16_t len;
uint16_t flags;
uint32_t peerid;
uint32_t pid;
};
.Ed
.Pp
The header members are:
.Bl -tag -width Ds -offset indent
.It type
A integer identifier, typically used to express the meaning of the message.
.It len
The total length of the imsg, including the header and any ancillary data
transmitted with the message (pointed to by the
.Em data
member of the message itself).
.It flags
Flags used internally by the imsg functions: should not be used by application
programs.
.It peerid, pid
32-bit values specified on message creation and free for any use by the
caller, normally used to identify the message sender.
.El
The accessors
.Fn imsg_get_type ,
.Fn imsg_get_pid ,
.Fn imsg_get_id ,
and
.Fn imsg_get_len ,
return the
.Fa type ,
.Fa pid ,
.Fa id ,
and payload length used in
.Fn imsg_create
to build the
.Fa imsg .
If there is no payload
.Fn imsg_get_len
returns 0.
.Pp
In addition,
.Em struct imsg
has the following:
.Bl -tag -width Ds -offset indent
.It fd
The file descriptor specified when the message was created and passed using the
socket control message API, or \-1 if no file descriptor was sent.
.It data
A pointer to the ancillary data transmitted with the imsg.
.El
.Fn imsg_get_fd
returns the file descriptor and passes the responsibility to track the
descriptor back to the program.
.Pp
The IMSG_HEADER_SIZE define is the size of the imsg message header, which
may be subtracted from the
.Fa len
member of
.Em struct imsg_hdr
to obtain the length of any additional data passed with the message.
.Fn imsg_get_data
and
.Fn imsg_get_ibuf
are used to extract the payload of an
.Fa imsg .
.Fn imsg_get_data
can be used if the structure of the payload is known and can be extracted
in one go.
0 is returned on success and \-1 on failure.
.Fn imsg_get_ibuf
initializes the passed
.Fa ibuf
to hold the payload which can be read using
.Xr ibuf_get 3 .
The
.Fa ibuf
remains valid until
.Fn imsg_free
is called and there is no need to call
.Fn ibuf_free
on this stack based buffer.
The function returns 0 on success, \-1 otherwise.
.Pp
MAX_IMSGSIZE is defined as the maximum size of a single imsg, currently
16384 bytes.
.Sh BUFFERS
The imsg API defines functions to manipulate buffers, used internally and during
construction of imsgs with
.Fn imsg_create .
A
.Em struct ibuf
is a single buffer and a
.Em struct msgbuf
a queue of output buffers for transmission:
.Bd -literal -offset indent
struct ibuf {
TAILQ_ENTRY(ibuf) entry;
unsigned char *buf;
size_t size;
size_t max;
size_t wpos;
size_t rpos;
int fd;
};
struct msgbuf {
TAILQ_HEAD(, ibuf) bufs;
uint32_t queued;
int fd;
};
.Ed
.Pp
The
.Fn ibuf_open
function allocates a fixed-length buffer.
The buffer may not be resized and may contain a maximum of
.Fa len
bytes.
On success
.Fn ibuf_open
returns a pointer to the buffer; on failure it returns NULL.
.Pp
.Fn ibuf_dynamic
allocates a resizeable buffer of initial length
.Fa len
and maximum size
.Fa max .
Buffers allocated with
.Fn ibuf_dynamic
are automatically grown if necessary when data is added.
.Pp
.Fn ibuf_add
appends a block of data to
.Fa buf .
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_add_buf
appends the buffer
.Fa from
to
.Fa buf .
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_add_n8 ,
.Fn ibuf_add_n16 ,
.Fn ibuf_add_n32 ,
and
.Fn ibuf_add_n64
add a 1-byte, 2-byte, 4-byte, and 8-byte
.Fa value
to
.Fa buf
in network byte order.
This function checks
.Fa value
to not overflow.
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_add_zero
appends a block of zeros to
.Fa buf .
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_reserve
is used to reserve
.Fa len
bytes in
.Fa buf .
A pointer to the start of the reserved space is returned, or NULL on error.
.Pp
.Fn ibuf_seek
returns a pointer to the part of the buffer at offset
.Fa pos
and of extent
.Fa len .
NULL is returned if the requested range is outside the part of the buffer
in use.
.Pp
.Fn ibuf_set
replaces a part of
.Fa buf
at offset
.Fa pos
with the
.Fa data
of extent
.Fa len .
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_set_n8 ,
.Fn ibuf_set_n16 ,
.Fn ibuf_set_n32
and
.Fn ibuf_set_n64
replace a 1-byte, 2-byte, 4-byte or 8-byte
.Fa value
at offset
.Fa pos
in the buffer
.Fa buf
in network byte order.
This function checks
.Fa value
to not overflow.
0 is returned on success and \-1 on failure.
.Pp
.Fn ibuf_data
returns the pointer to the internal buffer.
This function should only be used together with
.Fn ibuf_size
to process a previously generated buffer.
.Pp
.Fn ibuf_size
and
.Fn ibuf_left
are functions which return the total bytes used and available in
.Fa buf
respectively.
.Pp
.Fn ibuf_close
appends
.Fa buf
to
.Fa msgbuf
ready to be sent.
.Pp
.Fn ibuf_fd_avail ,
.Fn ibuf_fd_get
and
.Fn ibuf_fd_set
are functions to check, get and set the file descriptor assigned to
.Fa buf .
After calling
.Fn ibuf_fd_set
the file descriptor is part of the
.Fa buf
and will be transmitted or closed by the ibuf API.
Any previously set file descriptor will be closed before assigning a
new descriptor.
.Fn ibuf_fd_get
returns the file descriptor and passes the responsibility to track the
descriptor back to the program.
.Fn ibuf_fd_avail
returns true if there is a file descriptor set on
.Fa buf .
.Pp
.Fn ibuf_free
frees
.Fa buf
and any associated storage, and closes any file descriptor set with
.Fn ibuf_fd_set .
If
.Fa buf
is a NULL pointer, no action occurs.
.Pp
The
.Fn ibuf_write
routine transmits as many pending buffers as possible from
.Fa msgbuf
using
.Xr writev 2 .
It returns 1 if it succeeds, \-1 on error and 0 when no buffers were
pending or an EOF condition on the socket is detected.
Temporary resource shortages are returned with errno
.Er EAGAIN
and require the application to retry again in the future.
.Pp
The
.Fn msgbuf_init
function initializes
.Fa msgbuf
so that buffers may be appended to it.
The
.Em fd
member should also be set directly before
.Fn msgbuf_write
is used.
.Pp
.Fn msgbuf_clear
empties a msgbuf, removing and discarding any queued buffers.
.Pp
The
.Fn msgbuf_write
routine calls
.Xr sendmsg 2
to transmit buffers queued in
.Fa msgbuf .
It returns 1 if it succeeds, \-1 on error, and 0 when the queue was empty
or an EOF condition on the socket is detected.
Temporary resource shortages are returned with errno
.Er EAGAIN
and require the application to retry again in the future.
.Sh EXAMPLES
In a typical program, a channel between two processes is created with
.Xr socketpair 2 ,
@ -616,12 +349,12 @@ enum imsg_type {
};
int
child_main(struct imsgbuf *ibuf)
child_main(struct imsgbuf *imsgbuf)
{
int idata;
...
idata = 42;
imsg_compose(ibuf, IMSG_A_MESSAGE,
imsg_compose(imsgbuf, IMSG_A_MESSAGE,
0, 0, -1, &idata, sizeof idata);
...
}
@ -635,7 +368,7 @@ library is used to monitor the socket file descriptor.
When the socket is ready for writing, queued messages are transmitted with
.Fn msgbuf_write :
.Bd -literal -offset indent
if ((n = msgbuf_write(&ibuf-\*(Gtw)) == -1 && errno != EAGAIN) {
if ((n = msgbuf_write(&imsgbuf-\*(Gtw)) == -1 && errno != EAGAIN) {
/* handle write failure */
}
if (n == 0) {
@ -649,13 +382,13 @@ and then extracted with
.Fn imsg_get :
.Bd -literal -offset indent
void
dispatch_imsg(struct imsgbuf *ibuf)
dispatch_imsg(struct imsgbuf *imsgbuf)
{
struct imsg imsg;
ssize_t n, datalen;
ssize_t n;
int idata;
if ((n = imsg_read(ibuf)) == -1 && errno != EAGAIN) {
if ((n = imsg_read(imsgbuf)) == -1 && errno != EAGAIN) {
/* handle read error */
}
if (n == 0) {
@ -663,19 +396,18 @@ dispatch_imsg(struct imsgbuf *ibuf)
}
for (;;) {
if ((n = imsg_get(ibuf, &imsg)) == -1) {
if ((n = imsg_get(imsgbuf, &imsg)) == -1) {
/* handle read error */
}
if (n == 0) /* no more messages */
return;
datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
switch (imsg.hdr.type) {
switch (imsg_get_type(&imsg)) {
case IMSG_A_MESSAGE:
if (datalen \*(Lt sizeof idata) {
if (imsg_get_data(&imsg, &idata,
sizeof(idata)) == -1) {
/* handle corrupt message */
}
memcpy(&idata, imsg.data, sizeof idata);
/* handle message received */
break;
...
@ -687,4 +419,5 @@ dispatch_imsg(struct imsgbuf *ibuf)
.Ed
.Sh SEE ALSO
.Xr socketpair 2 ,
.Xr ibuf_add 3 ,
.Xr unix 4

2
lib/libutil/shlib_version
View File

@ -1,2 +1,2 @@
major=17
major=18
minor=0

25
libexec/ld.so/loader.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: loader.c,v 1.214 2023/08/15 06:26:34 guenther Exp $ */
/* $OpenBSD: loader.c,v 1.215 2023/12/12 15:44:00 deraadt Exp $ */
/*
* Copyright (c) 1998 Per Fogelstrom, Opsycon AB
@ -466,6 +466,29 @@ _dl_self_relro(long loff)
(((X) & PF_W) ? PROT_WRITE : 0) | \
(((X) & PF_X) ? PROT_EXEC : 0))
/*
* To avoid kbind(2) becoming a powerful gadget, it is called inline to a
* function. Therefore we cannot create a precise pinsyscall label. Instead
* create a duplicate entry to force the kernel's pinsyscall code to skip
* validation, rather than labelling it illegal. kbind(2) remains safe
* because it self-protects by checking its calling address.
*/
#define __STRINGIFY(x) #x
#define STRINGIFY(x) __STRINGIFY(x)
#ifdef __arm__
__asm__(".pushsection openbsd.syscalls,\"\",%progbits;"
".p2align 2;"
".long 0;"
".long " STRINGIFY(SYS_kbind) ";"
".popsection");
#else
__asm__(".pushsection openbsd.syscalls,\"\",@progbits;"
".long 0;"
".p2align 2;"
".long " STRINGIFY(SYS_kbind) ";"
".popsection");
#endif
/*
* This is the dynamic loader entrypoint. When entering here, depending
* on architecture type, the stack and registers are set up according

4
libexec/ld.so/syscall.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: syscall.h,v 1.4 2023/02/18 01:22:50 deraadt Exp $ */
/* $OpenBSD: syscall.h,v 1.5 2023/12/12 17:39:14 deraadt Exp $ */
/*
* Copyright (c) 1998 Per Fogelstrom, Opsycon AB
@ -56,7 +56,7 @@ int _dl_munmap(const void *, size_t);
int _dl_mimmutable(const void *, size_t);
int _dl_open(const char *, int);
int _dl_pledge(const char *, const char **);
ssize_t _dl_read(int, const char *, size_t);
ssize_t _dl_read(int, void *, size_t);
int _dl_sendsyslog(const char *, size_t, int);
void _dl___set_tcb(void *);
int _dl_sysctl(const int *, u_int, void *, size_t *, void *, size_t);

9
sbin/iked/imsg_util.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: imsg_util.c,v 1.21 2023/07/18 15:07:41 claudio Exp $ */
/* $OpenBSD: imsg_util.c,v 1.22 2023/12/12 15:52:58 claudio Exp $ */
/*
* Copyright (c) 2010-2013 Reyk Floeter <reyk@openbsd.org>
@ -80,13 +80,12 @@ ibuf_length(struct ibuf *buf)
struct ibuf *
ibuf_getdata(struct ibuf *buf, size_t len)
{
void *data;
struct ibuf tmp;
if ((data = ibuf_seek(buf, buf->rpos, len)) == NULL)
if (ibuf_get_ibuf(buf, len, &tmp) == -1)
return (NULL);
buf->rpos += len;
return (ibuf_new(data, len));
return (ibuf_new(ibuf_data(&tmp), ibuf_size(&tmp)));
}
struct ibuf *

8
sys/arch/amd64/amd64/locore.S
View File

@ -1,4 +1,4 @@
/* $OpenBSD: locore.S,v 1.142 2023/12/10 16:56:01 deraadt Exp $ */
/* $OpenBSD: locore.S,v 1.144 2023/12/12 15:30:55 deraadt Exp $ */
/* $NetBSD: locore.S,v 1.13 2004/03/25 18:33:17 drochner Exp $ */
/*
@ -181,13 +181,10 @@ sigcodecall:
syscall
.globl sigcoderet
sigcoderet:
movq $SYS_exit,%rax
syscall
_ALIGN_TRAPS
int3
1: JMP_RETPOLINE(rax)
.globl esigcode
esigcode:
.globl sigfill
sigfill:
int3
@ -510,6 +507,7 @@ ENTRY(savectx)
lfence
END(savectx)
// XXX this should not behave like a nop
IDTVEC(syscall32)
sysret /* go away please */
END(Xsyscall32)

29
sys/arch/amd64/amd64/trap.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: trap.c,v 1.101 2023/07/05 12:58:55 kn Exp $ */
/* $OpenBSD: trap.c,v 1.102 2023/12/12 15:30:55 deraadt Exp $ */
/* $NetBSD: trap.c,v 1.2 2003/05/04 23:51:56 fvdl Exp $ */
/*-
@ -553,7 +553,7 @@ syscall(struct trapframe *frame)
caddr_t params;
const struct sysent *callp;
struct proc *p;
int error, indirect = -1;
int error = ENOSYS;
size_t argsize, argoff;
register_t code, args[9], rval[2], *argp;
@ -570,26 +570,9 @@ syscall(struct trapframe *frame)
argp = &args[0];
argoff = 0;
switch (code) {
case SYS_syscall:
/*
* Code is first argument, followed by actual args.
*/
indirect = code;
code = frame->tf_rdi;
argp = &args[1];
argoff = 1;
break;
default:
break;
}
callp = sysent;
if (code < 0 || code >= SYS_MAXSYSCALL)
callp += SYS_syscall;
else
callp += code;
if (code <= 0 || code >= SYS_MAXSYSCALL)
goto bad;
callp = sysent + code;
argsize = (callp->sy_argsize >> 3) + argoff;
if (argsize) {
switch (MIN(argsize, 6)) {
@ -620,7 +603,7 @@ syscall(struct trapframe *frame)
rval[0] = 0;
rval[1] = 0;
error = mi_syscall(p, code, indirect, callp, argp, rval);
error = mi_syscall(p, code, callp, argp, rval);
switch (error) {
case 0:

9
sys/arch/arm/arm/sigcode.S
View File

@ -1,4 +1,4 @@
/* $OpenBSD: sigcode.S,v 1.13 2023/12/10 16:56:01 deraadt Exp $ */
/* $OpenBSD: sigcode.S,v 1.14 2023/12/12 07:37:20 deraadt Exp $ */
/* $NetBSD: sigcode.S,v 1.6 2003/10/05 19:44:58 matt Exp $ */
/*
@ -63,14 +63,9 @@ sigcodecall:
isb
.globl sigcoderet
sigcoderet:
/* Well if that failed we better exit quick ! */
mov r12, #SYS_exit
swi 0
dsb nsh
isb
.global esigcode
esigcode:
/* FALLTHROUGH */
.globl sigfill
sigfill:
udf #0

33
sys/arch/arm/arm/syscall.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: syscall.c,v 1.26 2023/02/11 23:07:26 deraadt Exp $ */
/* $OpenBSD: syscall.c,v 1.27 2023/12/12 15:30:55 deraadt Exp $ */
/* $NetBSD: syscall.c,v 1.24 2003/11/14 19:03:17 scw Exp $ */
/*-
@ -93,8 +93,8 @@ void
swi_handler(trapframe_t *frame)
{
struct proc *p = curproc;
const struct sysent *callp;
int code, error, indirect = -1;
const struct sysent *callp = sysent;
int code, error;
u_int nap = 4, nargs;
register_t *ap, *args, copyargs[MAXARGS], rval[2];
@ -103,31 +103,18 @@ swi_handler(trapframe_t *frame)
/* Before enabling interrupts, save FPU state */
vfp_save();
/* Re-enable interrupts if they were enabled previously */
if (__predict_true((frame->tf_spsr & PSR_I) == 0))
enable_interrupts(PSR_I);
enable_interrupts(PSR_I);
p->p_addr->u_pcb.pcb_tf = frame;
/* Skip over speculation-blocking barrier. */
frame->tf_pc += 8;
code = frame->tf_r12;
ap = &frame->tf_r0;
switch (code) {
case SYS_syscall:
indirect = code;
code = *ap++;
nap--;
break;
}
callp = sysent;
if (code < 0 || code >= SYS_MAXSYSCALL)
callp += SYS_syscall;
else
code = frame->tf_r12;
// XXX out of range stays on syscall0, which we assume is enosys
if (code >= 0 || code <= SYS_MAXSYSCALL)
callp += code;
nargs = callp->sy_argsize / sizeof(register_t);
@ -145,27 +132,23 @@ swi_handler(trapframe_t *frame)
rval[0] = 0;
rval[1] = frame->tf_r1;
error = mi_syscall(p, code, indirect, callp, args, rval);
error = mi_syscall(p, code, callp, args, rval);
switch (error) {
case 0:
frame->tf_r0 = rval[0];
frame->tf_r1 = rval[1];
frame->tf_spsr &= ~PSR_C; /* carry bit */
break;
case ERESTART:
/*
* Reconstruct the pc to point at the swi.
*/
frame->tf_pc -= 12;
break;
case EJUSTRETURN:
/* nothing to do */
break;
default:
bad:
frame->tf_r0 = error;

10
sys/arch/arm64/arm64/locore.S
View File

@ -1,4 +1,4 @@
/* $OpenBSD: locore.S,v 1.44 2023/12/10 16:56:01 deraadt Exp $ */
/* $OpenBSD: locore.S,v 1.45 2023/12/12 07:37:20 deraadt Exp $ */
/*-
* Copyright (c) 2012-2014 Andrew Turner
* All rights reserved.
@ -372,16 +372,10 @@ sigcodecall:
isb
.globl sigcoderet
sigcoderet:
/* sigreturn failed, exit */
mov x8, #SYS_exit
svc 0
dsb nsh
isb
END(sigcode)
.global esigcode
esigcode:
/* FALLTHROUGH */
.globl sigfill
sigfill:
udf #0

23
sys/arch/arm64/arm64/syscall.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: syscall.c,v 1.14 2023/04/13 02:19:04 jsg Exp $ */
/* $OpenBSD: syscall.c,v 1.15 2023/12/12 15:30:55 deraadt Exp $ */
/*
* Copyright (c) 2015 Dale Rahn <drahn@dalerahn.com>
*
@ -33,7 +33,7 @@ svc_handler(trapframe_t *frame)
{
struct proc *p = curproc;
const struct sysent *callp;
int code, error, indirect = -1;
int code, error = ENOSYS, indirect = -1;
u_int nap = 8, nargs;
register_t *ap, *args, copyargs[MAXARGS], rval[2];
@ -50,20 +50,10 @@ svc_handler(trapframe_t *frame)
ap = &frame->tf_x[0];
switch (code) {
case SYS_syscall:
indirect = code;
code = *ap++;
nap--;
break;
}
callp = sysent;
if (code < 0 || code >= SYS_MAXSYSCALL)
callp += SYS_syscall;
else
callp += code;
goto bad;
callp = sysent + code;
nargs = callp->sy_argsize / sizeof(register_t);
if (nargs <= nap) {
args = ap;
@ -79,25 +69,22 @@ svc_handler(trapframe_t *frame)
rval[0] = 0;
rval[1] = 0;
error = mi_syscall(p, code, indirect, callp, args, rval);
error = mi_syscall(p, code, callp, args, rval);
switch (error) {
case 0:
frame->tf_x[0] = rval[0];
frame->tf_spsr &= ~PSR_C; /* carry bit */
break;
case ERESTART:
/*
* Reconstruct the pc to point at the svc.
*/
frame->tf_elr -= 12;
break;
case EJUSTRETURN:
/* nothing to do */
break;
default:
bad:
frame->tf_x[0] = error;

6
sys/arch/i386/i386/locore.s
View File

@ -1,4 +1,4 @@
/* $OpenBSD: locore.s,v 1.203 2023/12/10 16:56:01 deraadt Exp $ */
/* $OpenBSD: locore.s,v 1.204 2023/12/12 07:37:20 deraadt Exp $ */
/* $NetBSD: locore.s,v 1.145 1996/05/03 19:41:19 christos Exp $ */
/*-
@ -346,11 +346,9 @@ sigcodecall:
int $0x80 # enter kernel with args on stack
.globl sigcoderet
sigcoderet:
movl $SYS_exit,%eax
int $0x80 # exit if sigreturn fails
.globl esigcode
esigcode:
/* FALLTHROUGH */
.globl sigfill
sigfill:
int3

36
sys/arch/i386/i386/trap.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: trap.c,v 1.162 2023/04/16 06:43:49 jsg Exp $ */
/* $OpenBSD: trap.c,v 1.163 2023/12/12 15:30:55 deraadt Exp $ */
/* $NetBSD: trap.c,v 1.95 1996/05/05 06:50:02 mycroft Exp $ */
/*-
@ -516,9 +516,9 @@ void
syscall(struct trapframe *frame)
{
caddr_t params;
const struct sysent *callp;
struct proc *p;
int error, indirect = -1;
const struct sysent *callp = sysent;
struct proc *p = curproc;
int error;
register_t code, args[8], rval[2];
#ifdef DIAGNOSTIC
int ocpl = lapic_tpr;
@ -540,38 +540,22 @@ syscall(struct trapframe *frame)
}
#endif
p = curproc;
p->p_md.md_regs = frame;
code = frame->tf_eax;
params = (caddr_t)frame->tf_esp + sizeof(int);
switch (code) {
case SYS_syscall:
/*
* Code is first argument, followed by actual args.
*/
indirect = code;
copyin(params, &code, sizeof(int));
params += sizeof(int);
break;
default:
break;
}
callp = sysent;
if (code < 0 || code >= SYS_MAXSYSCALL)
callp += SYS_syscall;
else
// XXX out of range stays on syscall0, which we assume is enosys
if (code >= 0 || code <= SYS_MAXSYSCALL)
callp += code;
argsize = callp->sy_argsize;
params = (caddr_t)frame->tf_esp + sizeof(int);
if (argsize && (error = copyin(params, args, argsize)))
goto bad;
rval[0] = 0;
rval[1] = frame->tf_edx;
error = mi_syscall(p, code, indirect, callp, args, rval);
error = mi_syscall(p, code, callp, args, rval);
switch (error) {
case 0:

6
sys/kern/init_sysent.c
View File

@ -1,10 +1,10 @@
/* $OpenBSD: init_sysent.c,v 1.271 2023/12/10 16:59:51 deraadt Exp $ */
/* $OpenBSD: init_sysent.c,v 1.272 2023/12/12 15:32:59 deraadt Exp $ */
/*
* System call switch table.
*
* DO NOT EDIT-- this file is automatically generated.
* created from; OpenBSD: syscalls.master,v 1.253 2023/12/10 16:59:09 deraadt Exp
* created from; OpenBSD: syscalls.master,v 1.254 2023/12/12 15:30:55 deraadt Exp
*/
#include <sys/param.h>
@ -18,7 +18,7 @@
const struct sysent sysent[] = {
{ 0, 0, 0,
sys_nosys }, /* 0 = syscall (indir) */
sys_nosys }, /* 0 = unimplemented syscall */
{ 1, s(struct sys_exit_args), 0,
sys_exit }, /* 1 = exit */
{ 0, 0, 0,

4
sys/kern/kern_ktrace.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kern_ktrace.c,v 1.112 2023/05/11 09:51:33 bluhm Exp $ */
/* $OpenBSD: kern_ktrace.c,v 1.113 2023/12/12 15:30:55 deraadt Exp $ */
/* $NetBSD: kern_ktrace.c,v 1.23 1996/02/09 18:59:36 christos Exp $ */
/*
@ -160,7 +160,7 @@ ktrsyscall(struct proc *p, register_t code, size_t argsize, register_t args[])
u_int nargs = 0;
int i;
if ((code & KTRC_CODE_MASK) == SYS_sysctl) {
if (code == SYS_sysctl) {
/*
* The sysctl encoding stores the mib[]
* array because it is interesting.

3
sys/kern/kern_pledge.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kern_pledge.c,v 1.309 2023/09/29 12:47:34 claudio Exp $ */
/* $OpenBSD: kern_pledge.c,v 1.310 2023/12/12 17:43:10 deraadt Exp $ */
/*
* Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org>
@ -113,6 +113,7 @@ const uint64_t pledge_syscalls[SYS_MAXSYSCALL] = {
[SYS_thrkill] = PLEDGE_ALWAYS, /* raise, abort, stack pro */
[SYS_utrace] = PLEDGE_ALWAYS, /* ltrace(1) from ld.so */
[SYS_pinsyscall] = PLEDGE_ALWAYS,
[SYS_pinsyscalls] = PLEDGE_ALWAYS,
/* "getting" information about self is considered safe */
[SYS_getuid] = PLEDGE_STDIO,

6
sys/kern/syscalls.c
View File

@ -1,14 +1,14 @@
/* $OpenBSD: syscalls.c,v 1.269 2023/12/10 16:59:51 deraadt Exp $ */
/* $OpenBSD: syscalls.c,v 1.270 2023/12/12 15:32:59 deraadt Exp $ */
/*
* System call names.
*
* DO NOT EDIT-- this file is automatically generated.
* created from; OpenBSD: syscalls.master,v 1.253 2023/12/10 16:59:09 deraadt Exp
* created from; OpenBSD: syscalls.master,v 1.254 2023/12/12 15:30:55 deraadt Exp
*/
const char *const syscallnames[] = {
"syscall", /* 0 = syscall */
"#0 (unimplemented syscall)", /* 0 = unimplemented syscall */
"exit", /* 1 = exit */
"fork", /* 2 = fork */
"read", /* 3 = read */

4
sys/kern/syscalls.master
View File

@ -1,4 +1,4 @@
; $OpenBSD: syscalls.master,v 1.253 2023/12/10 16:59:09 deraadt Exp $
; $OpenBSD: syscalls.master,v 1.254 2023/12/12 15:30:55 deraadt Exp $
; $NetBSD: syscalls.master,v 1.32 1996/04/23 10:24:21 mycroft Exp $
; @(#)syscalls.master 8.2 (Berkeley) 1/13/94
@ -48,7 +48,7 @@
; redistributions should be placed in the reserved range at the end
; of the current calls.
0 INDIR { int sys_syscall(int number, ...); }
0 UNIMPL syscall
1 STD { void sys_exit(int rval); }
2 STD { int sys_fork(void); }
3 STD NOLOCK { ssize_t sys_read(int fd, void *buf, size_t nbyte); }

6
sys/net/if_pflow.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: if_pflow.c,v 1.104 2023/12/12 00:03:31 mvs Exp $ */
/* $OpenBSD: if_pflow.c,v 1.105 2023/12/12 12:38:52 mvs Exp $ */
/*
* Copyright (c) 2011 Florian Obser <florian@narrans.de>
@ -832,11 +832,11 @@ export_pflow(struct pf_state *st)
mtx_enter(&sc->sc_mtx);
switch (sc->sc_version) {
case PFLOW_PROTO_5:
if( sk->af == AF_INET )
if (sk->af == AF_INET)
export_pflow_if(st, sk, sc);
break;
case PFLOW_PROTO_10:
if( sk->af == AF_INET || sk->af == AF_INET6 )
if (sk->af == AF_INET || sk->af == AF_INET6)
export_pflow_if(st, sk, sc);
break;
default: /* NOTREACHED */

4
sys/sys/ktrace.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: ktrace.h,v 1.46 2023/02/23 01:33:20 deraadt Exp $ */
/* $OpenBSD: ktrace.h,v 1.47 2023/12/12 15:30:55 deraadt Exp $ */
/* $NetBSD: ktrace.h,v 1.12 1996/02/04 02:12:29 christos Exp $ */
/*
@ -76,8 +76,6 @@ struct ktr_header {
#define KTR_SYSCALL 1
struct ktr_syscall {
int ktr_code; /* syscall number */
#define KTRC_CODE_MASK 0x0000ffff
#define KTRC_CODE_SYSCALL 0x20000000
int ktr_argsize; /* size of arguments */
/*
* followed by ktr_argsize/sizeof(register_t) "register_t"s

7
sys/sys/syscall.h
View File

@ -1,15 +1,12 @@
/* $OpenBSD: syscall.h,v 1.268 2023/12/10 16:59:51 deraadt Exp $ */
/* $OpenBSD: syscall.h,v 1.269 2023/12/12 15:32:58 deraadt Exp $ */
/*
* System call numbers.
*
* DO NOT EDIT-- this file is automatically generated.
* created from; OpenBSD: syscalls.master,v 1.253 2023/12/10 16:59:09 deraadt Exp
* created from; OpenBSD: syscalls.master,v 1.254 2023/12/12 15:30:55 deraadt Exp
*/
/* syscall: "syscall" ret: "int" args: "int" "..." */
#define SYS_syscall 0
/* syscall: "exit" ret: "void" args: "int" */
#define SYS_exit 1

15
sys/sys/syscall_mi.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: syscall_mi.h,v 1.28 2023/02/11 23:07:23 deraadt Exp $ */
/* $OpenBSD: syscall_mi.h,v 1.29 2023/12/12 15:30:55 deraadt Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1993
@ -51,8 +51,8 @@
* The MD setup for a system call has been done; here's the MI part.
*/
static inline int
mi_syscall(struct proc *p, register_t code, int indirect,
const struct sysent *callp, register_t *argp, register_t retval[2])
mi_syscall(struct proc *p, register_t code, const struct sysent *callp,
register_t *argp, register_t retval[2])
{
uint64_t tval;
int lock = !(callp->sy_flags & SY_NOLOCK);
@ -73,15 +73,8 @@ mi_syscall(struct proc *p, register_t code, int indirect,
#ifdef KTRACE
if (KTRPOINT(p, KTR_SYSCALL)) {
/* convert to mask, then include with code */
switch (indirect) {
case SYS_syscall:
indirect = KTRC_CODE_SYSCALL;
break;
default:
indirect = 0;
}
KERNEL_LOCK();
ktrsyscall(p, code | indirect, callp->sy_argsize, argp);
ktrsyscall(p, code, callp->sy_argsize, argp);
KERNEL_UNLOCK();
}
#endif

4
sys/sys/syscallargs.h
View File

@ -1,10 +1,10 @@
/* $OpenBSD: syscallargs.h,v 1.271 2023/12/10 16:59:51 deraadt Exp $ */
/* $OpenBSD: syscallargs.h,v 1.272 2023/12/12 15:32:58 deraadt Exp $ */
/*
* System call argument lists.
*
* DO NOT EDIT-- this file is automatically generated.
* created from; OpenBSD: syscalls.master,v 1.253 2023/12/10 16:59:09 deraadt Exp
* created from; OpenBSD: syscalls.master,v 1.254 2023/12/12 15:30:55 deraadt Exp
*/
#ifdef syscallarg

6
usr.bin/kdump/kdump.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kdump.c,v 1.159 2023/11/09 15:43:28 kn Exp $ */
/* $OpenBSD: kdump.c,v 1.160 2023/12/12 15:30:55 deraadt Exp $ */
/*-
* Copyright (c) 1988, 1993
@ -933,9 +933,7 @@ ktrsyscall(struct ktr_syscall *ktr, size_t ktrlen)
narg = ktr->ktr_argsize / sizeof(register_t);
sep = '\0';
if (ktr->ktr_code & KTRC_CODE_SYSCALL)
(void)printf("(via syscall) ");
code = ktr->ktr_code & KTRC_CODE_MASK;
code = ktr->ktr_code;
if (code >= SYS_MAXSYSCALL || code < 0)
(void)printf("[%d]", code);
else

11
usr.sbin/rpki-client/io.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: io.c,v 1.23 2023/06/20 15:15:14 claudio Exp $ */
/* $OpenBSD: io.c,v 1.24 2023/12/12 15:54:18 claudio Exp $ */
/*
* Copyright (c) 2021 Claudio Jeker <claudio@openbsd.org>
* Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
@ -100,15 +100,10 @@ io_close_buffer(struct msgbuf *msgbuf, struct ibuf *b)
void
io_read_buf(struct ibuf *b, void *res, size_t sz)
{
char *tmp;
if (sz == 0)
return;
tmp = ibuf_seek(b, b->rpos, sz);
if (tmp == NULL)
errx(1, "bad internal framing, buffer too short");
b->rpos += sz;
memcpy(res, tmp, sz);
if (ibuf_get(b, res, sz) == -1)
err(1, "bad internal framing");
}
/*

8
usr.sbin/snmpd/application_internal.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: application_internal.c,v 1.8 2023/11/12 16:03:41 martijn Exp $ */
/* $OpenBSD: application_internal.c,v 1.9 2023/12/12 20:15:49 martijn Exp $ */
/*
* Copyright (c) 2023 Martijn van Duren <martijn@openbsd.org>
@ -206,8 +206,7 @@ appl_internal_init(void)
oid.bo_id[oid.bo_n++] = 0;
if (appl_register(NULL, 150, 1, &oid,
1, 1, 0, 0, &appl_config) != APPL_ERROR_NOERROR) {
if (obj->stringval != NULL)
free(obj->stringval);
free(obj->stringval);
free(obj);
} else
RB_INSERT(appl_internal_objects, &appl_internal_objects,
@ -223,10 +222,12 @@ appl_internal_shutdown(void)
while ((object = RB_ROOT(&appl_internal_objects)) != NULL) {
RB_REMOVE(appl_internal_objects, &appl_internal_objects,
object);
free(object->stringval);
free(object);
}
appl_close(&appl_internal);
appl_close(&appl_config);
}
void
@ -258,6 +259,7 @@ appl_internal_object(struct ber_oid *oid,
obj->oid = *oid;
obj->get = get;
obj->getnext = getnext;
obj->stringval = NULL;
RB_INSERT(appl_internal_objects, &appl_internal_objects, obj);
}

4
usr.sbin/snmpd/trap.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: trap.c,v 1.39 2023/11/12 20:02:05 martijn Exp $ */
/* $OpenBSD: trap.c,v 1.40 2023/12/12 20:18:39 martijn Exp $ */
/*
* Copyright (c) 2008 Reyk Floeter <reyk@openbsd.org>
@ -46,7 +46,7 @@ trap_init(void)
* Send a coldStart to notify that the daemon has been
* started and re-initialized.
*/
trap_send(&OID(MIB_coldStart, 0), NULL);
trap_send(&OID(MIB_coldStart), NULL);
}
int