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Michal Mazurek <akfaew@jasminek.net>
While here, fix handling of -t+ in ltrace.
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ok guenther
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this is usually a result of a timestamp which hasn't been identified as
"relative" and decoding them to precise dates long in the past is a
distraction. (eagerly awaiting a cleaner, better diff to do the same.)
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kdump can't do that for a sigaction sa_handler pointer from the trace,
so cast to void* to suppress it.
ok deraadt@
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parse args of SYS_getlogin_r
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VIS_CSTYLE | VIS_DQ | VIS_TAB | VIS_NL; add the latter three flags
to the existing vis encoding of exec argv/environ and pledge
requests/paths.
Delete local variables left unused when showbuf() and showbufc() were split
ok otto@ millert@
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ok deraadt@ bluhm@
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ioctl requests.
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request and ok naddy@
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for generating and parsing them.
ok mpi@ naddy@ millert@ deraadt@
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stricter (per POSIX, dang it)
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Remove "option COMPAT_LINUX" and everything directly tied to it from the
kernel and the corresponding man page documentation.
ok visa@ guenther@
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define names. Use the mksubr infrastructure for EVFILT_*,
EV_*, and (with some kludging) NOTE_* values. If EV_ERROR is set,
include the errno string for the data member.
Also, do MSG_* parsing on the msg_flags member of struct msghdr.
ok millert@
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ok deraadt@, kettenos@, guenther@
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thrkill(2), rolling the kill(2) syscall number with the ABI change to
avoid breaking binaries during during the transition. thrkill(2) includes
a 'tcb' argument that eliminates the need for locking in pthread_kill()
and simplifies pthread_cancel(). Switch __stack_smash_handler() to use
thrkill(2) and explicitly unblock SIGABRT.
Minor bump to both libc and libpthread: make sure you install a new kernel!
ok semarie@
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no pledge to recommend.
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used less than "stdio" -- include all the "self" operations. Instead of
different defines, use regular PLEDGE_* in the "p_pledgenote" variable
(which indicates the operation subtype a system call is performing). Many
checks before easier to understand. p_pledgenote can often be passed
directly to ktrace, so that kdump says:
15565 test CALL pledge(0xa9a3f804c51,0)
15565 test STRU pledge request="stdio"
15565 test RET pledge 0
15565 test CALL open(0xa9a3f804c57,0x2<O_RDWR>)
15565 test NAMI "/tmp/testfile"
15565 test PLDG open, "wpath", errno 1 Operation not permitted
with help from semarie, ok guenther
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ok millert@
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potentially modify pledge() to permit /etc/protocols (/etc/rpc?
/etc/services? etc) without requiring a rpath attribute.. but where would
we draw the line for what /etc files libc functions need? At present, we
draw that line closer to the minimum.
issue found by theo@math.ethz.ch
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discussed with guenther
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"every tool helps" deraadt@
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This one should be an unsigned long in theory, but the formatter function
argument we're printing from is already an int (being casted from register_t
at the formatter call time). So lets fix one bug at a time.
authoritative okay from guenther@
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it might seem we can hoist the open above tame and then drop "rpath",
but guenther found getprotobynumber can be called much later.
ok guenther
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ok tedu@ deraadt@
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necessary
ok deraadt@ jsing@
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and doing VOP_WRITE() from inside tsleep/msleep makes the locking too
complicated, making it harder to move forward on MP changes.
ok deraadt@ kettenis@
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sendmsg(), and recvmsg(). For cmsghdr, the len, level, and type are always
shown, and for SOL_SOCKET,SCM_RIGHTS the fd numbers being passed are shown.
ok millert@ deraadt@
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retval on error, including a long long retval on successful lseek(),
and including a register_t retval for other successes. This fixes
lseek reporting on ILP32 archs.
While here, reworking internal kern_ktrace.c bits to be able to pass
two buffers to ktrwriteraw(), so we can avoid mallocing a buffer
in some cases and so that KTR_GENIO logs are split at PAGE_SIZE,
not PAGE_SIZE-sizeof(struct ktrgenio)
ok miod@
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integration easier in the future.
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option to fcntl(), so that isatty() can use this rather than than the bloated
ioctl() interface. Reducing uses of ioctl() by libc makes it easier to
constrain programs with various kinds of systrace sandboxes.
ok guenther, previously discussed as a concept with nicm
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handling along the way.
Reviews by Brendan MacDonell, Jeremy Devenport, florian, doug, millert
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but never actually did so. Fix that so that we stop losing the
second argument to {get,set}sockopt(). Handling of levels other than
SOL_SOCKET could be improved.
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family. (sysctl(3) is practically the only place where PF_* is correct)
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<sys/socket.h>: it doesn't expose anything kdump cares about.
Also, COMPAT_43 is dead
warning noted by deraadt@
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possible. Annotate <sys/param.h> lines with their current reasons. Switch
to PATH_MAX, NGROUPS_MAX, HOST_NAME_MAX+1, LOGIN_NAME_MAX, etc. Change
MIN() and MAX() to local definitions of MINIMUM() and MAXIMUM() where
sensible to avoid pulling in the pollution. These are the files confirmed
through binary verification.
ok guenther, millert, doug (helped with the verification protocol)
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