Daniel P. Berrange ad9579aaa1 sockets: improve error reporting if UNIX socket path is too long ... The 'struct sockaddr_un' only allows 108 bytes for the socket path. If the user supplies a path, QEMU uses snprintf() to silently truncate it when too long. This is undesirable because the user will then be unable to connect to the path they asked for. If the user doesn't supply a path, QEMU builds one based on TMPDIR, but if that leads to an overlong path, it mistakenly uses error_setg_errno() with a stale errno value, because snprintf() does not set errno on truncation. In solving this the code needed some refactoring to ensure we don't pass 'un.sun_path' directly to any APIs which expect NUL-terminated strings, because the path is not required to be terminated. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <20170525155300.22743-1-berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2017-06-07 18:22:02 +02:00
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acl.c
aio-posix.c
aio-win32.c
aiocb.c
async.c
base64.c
bitmap.c
bitops.c
buffer.c
bufferiszero.c
compatfd.c
coroutine-sigaltstack.c
coroutine-ucontext.c
coroutine-win32.c
crc32c.c
cutils.c	utils: provide size_to_str()	2017-05-17 17:30:45 +01:00
envlist.c	util: Use g_malloc/g_free in envlist.c	2017-05-07 09:57:51 +03:00
error.c
event_notifier-posix.c	Remove/replace sysemu/char.h inclusion	2017-06-02 11:33:52 +04:00
event_notifier-win32.c
fifo8.c
getauxval.c
hbitmap.c
hexdump.c
host-utils.c
id.c
iohandler.c
iov.c
keyval.c	qapi: Reject alternates that can't work with keyval_parse()	2017-05-31 16:04:09 +02:00
lockcnt.c
log.c
main-loop.c
Makefile.objs
memfd.c
mmap-alloc.c
module.c
notify.c
osdep.c	osdep: Fall back to posix lock when OFD lock is unavailable	2017-05-11 11:15:32 +02:00
oslib-posix.c	Check the return value of fcntl in qemu_set_cloexec	2017-06-06 20:18:35 +02:00
oslib-win32.c
path.c
qdist.c
qemu-config.c	util/qemu-config: Add loadparm to qemu machine_opts	2017-05-02 15:08:54 +02:00
qemu-coroutine-io.c
qemu-coroutine-lock.c
qemu-coroutine-sleep.c
qemu-coroutine.c
qemu-error.c
qemu-openpty.c
qemu-option.c	QemuOpts: Simplify qemu_opts_to_qdict()	2017-05-09 09:14:39 +02:00
qemu-progress.c
qemu-sockets.c	sockets: improve error reporting if UNIX socket path is too long	2017-06-07 18:22:02 +02:00
qemu-thread-posix.c	trace: add qemu mutex lock and unlock trace events	2017-05-05 12:09:59 +02:00
qemu-thread-win32.c	trace: add qemu mutex lock and unlock trace events	2017-05-05 12:09:59 +02:00
qemu-timer-common.c
qemu-timer.c
qht.c
range.c
rcu.c
readline.c
systemd.c
thread-pool.c
throttle.c
timed-average.c
trace-events	trace: add qemu mutex lock and unlock trace events	2017-05-05 12:09:59 +02:00
unicode.c
uri.c
uuid.c