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we deal with lp_cups_server in cups_connect() already, inside the URI all our
other cups functions we use ipp://localhost, do the same here.
Guenther
Autobuild-User: Günther Deschner <gd@samba.org>
Autobuild-Date: Wed May 11 11:36:07 CEST 2011 on sn-devel-104
We never free the request in our cups api usage except for here. The reason is
probably htis (from the cupsDoConnect API docs):
"This function sends the IPP request to the specified server, retrying and
authenticating as necessary. The request is freed with ippDelete() after
receiving a valid IPP response."
Revert "Fix a memory leak in cups_pull_comment_location"
This reverts commit fee2664dad.
Autobuild-User: Günther Deschner <gd@samba.org>
Autobuild-Date: Tue May 10 17:32:58 CEST 2011 on sn-devel-104
As found by valgrind, tmp_pcap_cache is not freed following printer list
tdb update.
Signed-off-by: Andreas Schneider <asn@samba.org>
Autobuild-User: Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date: Wed Mar 16 16:37:58 CET 2011 on sn-devel-104
There is currently a lot of duplicate code included for processing
responses to CUPS_GET_PRINTERS and CUPS_GET_CLASSES requests. This
change splits this code into a separate function.
Signed-off-by: Andreas Schneider <asn@samba.org>
Use printcap IDL for marshalling and unmarshalling messages between cups
child and parent smbd processes. This simplifies the IPC and ensures
the parent is notified of cups errors encountered by the child.
https://bugzilla.samba.org/show_bug.cgi?id=7994
Signed-off-by: Andreas Schneider <asn@samba.org>
cups_async_callback() is called to receive new printcap data from a
child process which requests the information from cupsd.
Newly received printcap information is stored in a temporary printcap
cache (tmp_pcap_cache). Once the child process closes the printcap IPC
file descriptor, the system printcap cache is replaced with the newly
populated tmp_pcap_cache, however this only occurs if tmp_pcap_cache is
non null (has at least one printer).
If the printcap cache is empty, which is the case when cups is not
exporting any printers, the printcap cache is not replaced resulting in
stale data.
https://bugzilla.samba.org/show_bug.cgi?id=7915
Signed-off-by: Andreas Schneider <asn@samba.org>
The cups local_pcap_copy global served as a temporary buffer during
asynchronous cups printcap cache updates, as well as indicating when
the printcap cache had not yet been filled and printcap cache update
should block.
As smbd printcap reads are now triggered by the parent smbd following
printcap cache update, the variable and blocking mechanism are no longer
needed.
Signed-off-by: Andreas Schneider <asn@samba.org>
Callers of pcap_cache_replace() assume the existing printcap cache is
replaced by the new values provided. This is not currently the case,
old entries should be removed.
Since commit eada8f8a, updates to the cups pcap cache are performed
asynchronously - cups_cache_reload() forks a child process to request
cups printer information and notify the parent smbd on completion.
Currently printer shares are reloaded immediately following the call to
cups_cache_reload(), this occurs prior to smbd receiving new cups pcap
information from the child process. Such behaviour can result in stale
print shares as outlined in bug 7836.
This fix ensures print shares are only reloaded after new pcap data has
been received.
Pair-Programmed-With: Lars Müller <lars@samba.org>
Based on a patch from Michael Karcher <samba@mkarcher.dialup.fu-berlin.de>.
I think this is the correct fix. It causes cups_job_submit to use
print_parse_jobid(), which I've moved into printing/lpq_parse.c (to allow the
link to work).
It turns out the old print_parse_jobid() was *broken*, in that the pjob
filename was set as an absolute path - not relative to the sharename (due to it
not going through the VFS calls).
This meant that the original code doing a strncmp on the first part of the
filename would always fail - it starts with a "/", not the relative pathname of
PRINT_SPOOL_PREFIX ("smbprn.").
This fix could fix some other mysterious printing bugs - probably the ones
Guenther noticed where job control fails on non-cups backends.
Guenther PLEASE CHECK !
Jeremy.
When we run out of file descriptors for some reason, every new
connection forks a child that immediately panics causing smbd to
coredump. This seems unnecessarily harsh; with this code change we
now catch that error and merely log a message about it and exit
without the core dump.
Signed-off-by: Tim Prouty <tprouty@samba.org>
(it takes longer than 30 seconds to enumerate them). Make scanning for printers async with a callback
from the main loop. This fixes a bug that was irritating *me* :-).
Jeremy.
Cups 1.3.4 expects utf8 to be used in all messages to/from the server. We may be using a
different character set so we need to use talloc utf8 push/pull functions in all communication.
Needs more testing. Don't release until I've done a thorough test. I also have a version for 3.2.x.
Jeremy.
The default timeout for connections to CUPS servers is set
to 5 minutes in the CUPS libraries. The smbd hangs on startup
until the timeout is reached if the CUPS server is unreachable.
This parameter makes the timeout configurable. The default value
is set to 30 seconds.
Karolin
bugs in various places whilst doing this (places that assumed
BOOL == int). I also need to fix the Samba4 pidl generation
(next checkin).
Jeremy.
(This used to be commit f35a266b3c)
