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This produces output like the output gcc produces when
invoked with the -aux-info switch.
Run like this: cat talloc.h | ./script/mksigs.pl
This simple parser is probably too coarse to handle all possible
header files, but it does treat talloc.h correctly.
Michael
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Michael
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When the first signal arrives, tevent_common_signal_handler() crashed: "ev" is
initialized to NULL, so the first "write(ev->pipe_fds[1], &c, 1);" dereferences
NULL.
Rusty, Tridge, please check. Also, can you tell me a bit more about the
environment you tested this in? I'd be curious to see where this survived.
Thanks,
Volker
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The "hack_fds" were never closed before; now they're inside event_context
they should be closed when that is destroyed.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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I don't know if this is a problem in real life.
The code assumes there's only one tevent_context; all signals will notify
the first event context. That's counter-intuitive if you ever use more
than one, and there's nothing else in this code which prevents it AFAICT.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We carefully preserve the old signal handler, but we replace it before
we've set up everything; in particular, if we fail setting up the
pipe_hack we could write a NUL char to stdout (fd 0), instead of
calling the old signal handler.
Replace the signal handler as the very last thing we do.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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In future, this may happen, and we don't want to clobber them.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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To be completely honest, I don't quite know whether to laugh or cry at
this one:
1 + (0xFFFFFFFF & ~(s.seen - s.count))
== 1 + (~(s.seen - s.count)) # s.seen, s.count are uint32_t
== s.count - s.seen # -A == ~A + 1
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Michael
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Jeremy.
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Guenther
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This makes the lib/replace m4 work in lib/talloc as a standalone build
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This allows the getpass.m4 code to work in standalone talloc builds
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metze
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metze
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We also use the major and minor versions in the TALLOC_MAGIC,
so that we can detect if two conflicting versions of talloc
are loaded in one process. In this case we use talloc_log() to
output a very useful debug message before we call
talloc_abort().
metze
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metze
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metze
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metze
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metze
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So that the application can setup a log function to get ERROR
and WARNING messages.
metze
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We have to many callers, which rely on that talloc_steal() never fails.
metze
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metze
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metze
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metze
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not exit
This will be useful in the testsuite,
where we could check if an abort would happen.
metze
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metze
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null_context
metze
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Based on a patch submitted by Petr Vandrovec <petr@vandrovec.name>.
Multiple pending signals with siginfo_t's weren't being handled correctly
leading to smbd abort with kernel oplock signals.
Jeremy
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Michael
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metze
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This offers a generic way for callers to cancel an
async request.
metze
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metze
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Some of the functions in source3/lib/util_sock.c use AI_ADDRCONFIG. On QNX
6.3.0, this macro is defined but, if it's used, getaddrinfo will fail. This
prevents smbd from opening any sockets.
If I undefine AI_ADDRCONFIG on such systems and allow
lib/replace/system/network.h to define it to be 0, this works around the issue.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
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X.690 uses "BIT STRING" not "BIT FIELD".
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Jeremy.
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over the 2G offset on systems which support 64 bit file offsets. This fixes
that case.
On systems with 32 bit offsets, expansion and fcntl locking on these records
will fail anyway. SAMBA already does '#define _FILE_OFFSET_BITS 64' in
config.h (on my 32-bit x86 Linux system at least) to get 64 bit file offsets.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This fixes two issues pointed out by Andrew. It adds a runtime
uwrap_enabled() call that wraps the skips needed for uid emulation. It
also makes the skip in the directory_create_or_exist() function only
change the uid checking code, not the permissions code
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This library intercepts seteuid and related calls, and simulates them
in a manner similar to the nss_wrapper and socket_wrapper
libraries. This allows us to enable the vfs_unixuid NTVFS module in
the build farm, which means we are more likely to catch errors in the
token manipulation.
The simulation is not complete, but it is enough for Samba4 for
now. The major areas of incompleteness are:
- no emulation of setreuid, setresuid or saved uids. These would be
needed for use in Samba3
- no emulation of ruid changing. That would also be needed for Samba3
- no attempt to emulate file ownership changing, so code that (for
example) tests whether st.st_uid matches geteuid() needs special
handling
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metze
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The flags are user-visible, via tdb_get_flags/add_flags/remove_flags.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
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thread/fork safe tdb_reopen_all() should be a noop".
This version just wraps the reopen code, so we still re-grab the lock and do
the normal sanity checks.
The reason we do this at all is to avoid global fd limits, see:
http://forums.fedoraforum.org/showthread.php?t=210393
Note also that this whole reopen concept is fundamentally racy: if the parent
goes away before the child calls tdb_reopen_all, the database can be left
without an active lock and another TDB_CLEAR_IF_FIRST opener will clear it.
A fork_with_tdbs() wrapper could use a pipe to solve this, but it's hardly
elegant (what if there are other independent things which have similar needs?).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
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