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New in ShellCheck 0.9.0:
SC2317 (info): Command appears to be unreachable. Check usage (or ignore if invoked indirectly).
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
If this codepath is hit, ctdb aborts with:
ctdb/server/ctdb_recovery_helper.c:2687: Type mismatch: name[struct ban_node_state] expected[struct node_ban_state]")
at ../../lib/talloc/talloc.c:505
Fix this by using the correct type.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Wed May 3 08:04:09 UTC 2023 on atb-devel-224
Best reviewed with: `git show --word-diff`
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Martin Schwenke <mschwenke@ddn.com>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Mar 24 07:57:37 UTC 2023 on atb-devel-224
When testparm processes the output of "testparm -v" (which includes
default values) it appears to do global checks (or some other sort of
initialisation logic) for all specified values. This includes a DNS
lookup for the node's hostname, as a side-effect of a libldap
ldap_set_option() call when processing "ldap debug level". If DNS
servers are down then this can induce timeouts, possibly resulting in
monitor timeouts.
Avoid this by using sed to extract configuration values from the
testparm cache file.
This is already shown to work when retrieving share paths, where
testparm is basically used as cat. Update the sed pattern to avoid
matching empty values on the right-hand side of the equals ('=') -
this avoids the default empty path value (and "smb ports" never has an
empty value).
Corresponding test changes:
* 50.samba.monitor.111.sh no longer expects a failure from being
unable to set smb ports, since testparm is no longer used in that
code path.
* smb ports needs to be set in fake smb.conf so it is in the default
output and can be extracted using sed.
* Although testparm --parameter-name is no longer used in
50.samba.script, update the stub implementation (in case it is ever
used again) to extract from fake smb.conf, since "smb ports" is now
set there. The change from $parameter to $param allows a long line
to stay below 80 columns.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Feb 14 08:43:53 UTC 2023 on atb-devel-224
The list changed back to space-separated in commit
93448f4be9, so simplify the code a
little.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Removes:
* waf pydoctor
* waf wafdocs
* make pydoctor
There is no "make wafdocs" it only appears to be in wscript.
The reasoning being is these are broken and appear to not have been run for some time.
Signed-off-by: Rob van der Linde <rob@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Feb 2 21:15:54 UTC 2023 on atb-devel-224
One of changes is somewhat interesting, it is "tfork waiter proces"
process title in tfork.c. I wonder why no one noticed this before.
There's another similar process title in there, "tfork waiter process(%d)".
Hopefully no one does grep for "proces$" (and there's no reason to).
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Rowland Penny <rpenny@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Jan 26 20:46:11 UTC 2023 on atb-devel-224
"basename" is define in libgen.h included from system/dir.h
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
If you happen to talloc_free(run_ctx) before all the tevent_req's
hanging off it, you run into the following:
==495196== Invalid read of size 8
==495196== at 0x10D757: run_proc_state_destructor (run_proc.c:413)
==495196== by 0x488F736: _tc_free_internal (talloc.c:1158)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x48538B1: tevent_req_received (tevent_req.c:293)
==495196== by 0x4853429: tevent_req_destructor (tevent_req.c:129)
==495196== by 0x488F736: _tc_free_internal (talloc.c:1158)
==495196== by 0x4890AF6: _tc_free_children_internal (talloc.c:1669)
==495196== by 0x488F967: _tc_free_internal (talloc.c:1184)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x10DE62: main (run_proc_test.c:86)
==495196== Address 0x55b77f8 is 152 bytes inside a block of size 160 free'd
==495196== at 0x48399AB: free (vg_replace_malloc.c:538)
==495196== by 0x488FB25: _tc_free_internal (talloc.c:1222)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x10D315: run_proc_context_destructor (run_proc.c:329)
==495196== by 0x488F736: _tc_free_internal (talloc.c:1158)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x10DE62: main (run_proc_test.c:86)
==495196== Block was alloc'd at
==495196== at 0x483877F: malloc (vg_replace_malloc.c:307)
==495196== by 0x488EAD9: __talloc_with_prefix (talloc.c:783)
==495196== by 0x488EC73: __talloc (talloc.c:825)
==495196== by 0x488F0FC: _talloc_named_const (talloc.c:982)
==495196== by 0x48925B1: _talloc_zero (talloc.c:2421)
==495196== by 0x10C8F2: proc_new (run_proc.c:61)
==495196== by 0x10D4C9: run_proc_send (run_proc.c:381)
==495196== by 0x10DDF6: main (run_proc_test.c:79)
This happens because run_proc_context_destructor() directly does a
talloc_free() on the struct proc_context's and not the enclosing
tevent_req's. run_proc_kill() makes sure that we don't follow
proc->req, but it forgets the "state->proc", which is free()'ed, but
later dereferenced in run_proc_state_destructor().
This is an attempt at a quick fix, I believe we should convert
run_proc_context->plist into an array of tevent_req's, so that we can
properly TALLOC_FREE() according to the "natural" hierarchy and not
just pull an arbitrary thread out of that heap.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Oct 6 15:10:20 UTC 2022 on sn-devel-184
Add simple support for IPoIB via DLT_LINUX_SLL and DLT_LINUX_SLL2.
This seems to work, even when an IB interface is specified.
If this is later found to be insufficient, support for DLT_IPOIB can
be implemented. See https://www.tcpdump.org/linktypes.html for a
starting point.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This uses Linux cooked capture link-layer headers. See:
https://www.tcpdump.org/linktypes/LINKTYPE_LINUX_SLL.htmlhttps://www.tcpdump.org/linktypes/LINKTYPE_LINUX_SLL2.html
The header type needs to be checked to ensure the protocol
type (i.e. ether type, for the protocols we might be interested in) is
meaningful. The size of the header needs to be known so it can be
skipped, allowing the IP header to be found and parsed.
It would be possible to define support for DLT_LINUX_SLL2 if it is
missing. However, if a platform is missing support in the header file
then it is almost certainly missing in the run-time library too.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The current code will almost certainly generate ENOMSG for
non-ethernet packets, even for ethernet packets when the "any"
interface is used.
pcap_datalink(3PCAP) says:
Do NOT assume that the packets for a given capture or ``savefile``
will have any given link-layer header type, such as DLT_EN10MB for
Ethernet. For example, the "any" device on Linux will have a
link-layer header type of DLT_LINUX_SLL or DLT_LINUX_SLL2 even if
all devices on the sys‐ tem at the time the "any" device is opened
have some other data link type, such as DLT_EN10MB for Ethernet.
So, pcap_datalink() must be used.
Detect pcap packet types that are supported (currently only ethernet)
in the open code. There is no use continuing if the read code can't
parse packets. The pattern of using switch statements supports future
addition of other packet types.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
In particular, knowing the reason fetching the packet fails can help
with debugging unsupported protocols in the pcap code.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is preferred because it will fail for devices that do not support
epoll_wait() and similar.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This forces the use pcap for packet capture on Linux.
It appears that using a raw socket for capture does not work with
infiniband - pcap support for that to come.
Don't (yet?) change the default capture method to pcap. On some
platforms (e.g. my personal Intel NUC, running Debian testing), pcap
is much less reliable than the raw socket. However, pcap seems fine
on most other platforms.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The build currently fails on AIX, which can't find the pcap headers
because they're installed in a non-standard place. However, there is
a pcap-config script available.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Although this is a test stub, it is complicated enough to encourage
ShellCheck cleanliness.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
VLAN configuration on Linux often uses a convention of naming a VLAN
on <iface> with VLAN ID <tag> as <iface>.<tag>. To be able to monitor
the underlying interface, the original 10.interface code naively
simply stripped off the '.' and everything after (i.e. ".*", as a glob
pattern).
Some users do not use the above convention. A VLAN can be named
without including the underlying interface, but still with a
tag (e.g. vlan<tag> - the word "vlan" following by the tag) or, more
generally, perhaps without a tag (e.g. <vlan> - an arbitrary name).
The ip(8) command lists a VLAN as <vlan>@<iface>. The underlying
interface can be found by stripping everything up to and including an
'@' (i.e. "*@").
Commit bc71251433 added support for
stripping "*@". However, on suspicion, it kept support for the case
where there is no '@', falling back to stripping ".*". If ip(8) ever
did this then it was a long time ago - it has been printing a format
including '@' since at least 2004.
Stripping ".*" interferes with interesting administrative decisions,
like having '.' in interface names.
So, drop the fallback to stripping ".*" because it appears to be
unnecessary and can cause inconvenience.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Sep 12 02:29:32 UTC 2022 on sn-devel-184
Mostly
SC2086: Double quote to prevent globbing and word splitting.
Use ctdb_onnode() where it simplifies code. No behaviour changes
intended.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Thu Aug 25 16:15:45 UTC 2022 on sn-devel-184
Use a new function and wait_until() to simplify.
get_test_ip_mask_and_iface() not needed here because
select_test_node_and_ips() sets $test_ip, and neither $mask nor $iface
is used.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
These lines are just wrong:
try_command_on_node -v $test_node "ip addr show to ${test_node}"
if -n "$out"; then
The 2nd variable referenced should be $test_ip. The 2nd line causes
"-n: command not found" because it is missing [] test command
brackets.
Both typos would probably make the test pass unconditionally.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
