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Mirrors what we have done with the monitor.
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Simply delay anything other service by 1 second only at startup.
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Let services identify themselves voiluntarily as the first operation
instead of polling from the monitor.
Also consolidate some common functions and make them available as monitor
helpers.
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Our configuration specifies the monitor config timeout as seconds,
but we were passing it directly to dbus commands that require
milliseconds. Fixing this in get_monitor_config(). Also, the
default value of -1 for the timeout resulted in a timeout much too
short to be useful, so I'm making it 10s instead.
This fix solves the problem where a busy backend (for example, one
that is enumerating a large number of LDAP entries) would fail to
respond to the ping in time.
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The child processes call prctl() and when their parent process is
killed, they are sent SIGTERM using prctl. This is currently
Linux-specific, for non-Linuxes, a similar effect is achieved by
catching a set of common termination signals and sending SIGTERM to the
process group.
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Previously, we had hardcoded the paths for the NSS, PAM and
private PAM sockets to /var/lib/sss/pipes. With this patch, we
will specify the sockets with --with-pipe-path.
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Moving the common utility sources into a libtool convenience
library caused problems with symbols when loading the plugin
libraries.
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Changes the configure process so that configure errors out if lacks the
tools necessary to build manual pages (like xsltproc). Also adds a check
for required URI of the docbook XSL templates using the xmlcatalog tool.
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When --enable-tests is set by configure, the sysdb, stress and
resolver tests will be built by 'make check', which will also then
run the sysdb and resolver tests automatically.
This patch also updates the server Makefile to create a libtool
convenience library of the common source files to spare them being
built separately for every library/executable that has different
CFLAGS.
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Make as much as possible static, and remove use of talloc_reference and
allocation/deallocation of memory when not necessary.
Fix also responder use of rctx->conn, was mistakenly used for both
monitor and dp connections.
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This reduce code duplication as it allows to use one set of watch and timeout
functions, and at the same time also allow not to use a secondary structure just
to unify these functions.
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Rationalize and rename connection names in preparatoin for merging of server and
connection structures.
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Simplify code by removing stuff that is never used or redundant.
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Watches and Timeouts are now unified under one implementation that covers
both dbus server and connections.
In watches do not keep removing and adding file events simply toggle the
appropriate flags.
Also streamline some memory management within both timeout and watch related
functions, checking allocations and freeing the whole context not just
the events.
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Minor style cleanups, and some name consistency cleanups that make
some names a bit more meaningful and/or shorter.
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ifndef doesn't work for those functions that aren't already macro definitions in
tevent.h like tevent_req_data. However if tevent_req_data is defined in
tevent.h, all other functions are available as well. So just check for
tevent_req_data and define all of them if it is not available.
This should fix compiling on distros with the latsest tevent.
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Allow adding users into different domains not only by specifying
ID directly but also by specifying fully qualified name. Exit when
both specifications are used in conflict.
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Retrieving ldap results and storing users could sometimes results in race
conditions where the final ldap result was retrieved before the store operations
where finished resulting in the operations to be aborted before termination.
Implement a serialization mechanism per operation.
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When looking for the local domain in the tools, do so by looking
on provider value, not domain name. Also removes one redundant lookup
of local domain.
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Fixes: RHBZ #513247, RHBZ #513250
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Some code paths that should exit with an error used potentionally
incorrect return code.
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Also add tests
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Fixes:
* RHBZ 513282 - Error Message Incorrect when Trying to add Group with GID
already in use
* RHBZ 513284 - Error Message Incorrect when Trying to add User with
UID already in use
* RHBZ 513242 - Better error Message when modifying a user that doesn't exist
* RHBZ 513244 - Better error Message when adding a user to a group that doesn't
exist
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Fix incorrect error code return in local_handler_callback
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Add some basic unit tests of the async resolver module.
One of the tests resolves a name on the Internet, therefore it is
off by default and is turned on with the -n switch.
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This patch adds ares parsing functions that are not yet upstreamed
together with a private ares header file (ares_dns.h) that contains
some necessary macros for parsing common structures in the replies.
Users of these two parsing functions must also include the header files
ares_parse_{srv,txt}_reply.h that contain the function and structures
declarations that should eventually end up in upstream ares.h
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Integrates the c-ares asynchronous resolved library into SSSD.
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The sdap_handle might be freed when processing a message.
Rearrange data flow so that the sdap_handle is never used after
a message is processed but a new event (dependent on the handle) is
instead scheduled. If the sdap_handle is freed, the scheduled event
is also removed and not fired
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1) Forgot to check for successful allocation
2) Used the wrong mem_ctx when allocating a timer event.
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The way openldap libraries work, require to have a single engine per
connection as all replies are read at the same time. So we need to
always read anything that comes in from the wire and then loop to
dispatch results to the requests that are waiting.
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use '--debug-timestamps' at the command line
or set 'debug-timestamps = TRUE' in the configuration file.
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Fix ldb debug to avoid printing the debug function name, it's useless.
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There is a lot of duplication in user tools.
First steps to remove as much duplication as possible.
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This patch updates the monitor_config_file() functions so that
they can monitor any number of files and invoke a specified
callback whenever they are modified.
When inotify is available, we will add an additional watch
descriptor to the inotify file descriptor.
When inotify is not available, the polling function will simply
loop to check each file in the monitor list.
When changes are discovered in resolv.conf, the monitor will send
a "resInit" signal to all of its known children. They are only
required to handle this function if they need updated DNS
information. Services that do not implement resInit should return
DBUS_ERROR_UNKNOWN_METHOD (rather than timing out) with no ill
effects.
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1) Some text editors will create a new file and move it into place
on top of the existing file. When this happens, the kernel issues
an IN_IGNORE inotify event and automatically removes the watch
descriptor for that file. We'll handle the event and create a new
watch descriptor for the new file. We will attempt to rewatch the
file six times at five-second intervals.
2) Some scripts may append new data to the config file in several
steps (such as calling echo "foo" >> sssd.conf several times). In
order to handle these scripts safely, we'll defer processing of
inotify events for one second after the first is detected. This
should be ample time for the remainder of the script to complete.
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