Pavel Rochnyack [Wed, 31 May 2017 16:27:13 +0000 (23:27 +0700)]
snmp plugin: Fix double free of request PDU
snmp_sess_synch_response() always frees request PDU, in both case of request
error and success. If error condition occurs inside of `while (status == 0)`
loop, double free of `req` happens.
Pavel Rochnyack [Mon, 17 Jul 2017 05:26:16 +0000 (12:26 +0700)]
rrdtool plugin: Respect RandomTimeout while calling CacheFlush handler
The CacheFlush implementation does not respect RandomTimeout value.
All cache values, whose flush is deferred by RandomTimeout variance,
will be flushed. That can cause a partial or full cache flush,
depending on the value of RandomTimeout.
Pavel Rochnyack [Mon, 17 Jul 2017 04:13:53 +0000 (11:13 +0700)]
rrdtool plugin: Raise interval of random_variation to match documentation
Documentation states what the actual timeout for each value is chosen randomly
between <CacheTimeout>-<RandomTimeout> and <CacheTimeout>+<RandomTimeout>.
Pavel Rochnyack [Sun, 16 Jul 2017 15:56:05 +0000 (22:56 +0700)]
rrdtool plugin: Fix flushing
* Value from wrong option was passed to rrd_cache_flush()
* Variable cache_flush_timeout was used as cdtime_t type time while value was set as simple seconds
* Added info message about CacheFlush ajusting
* Documentation updated
Pavel Rochnyack [Tue, 4 Jul 2017 10:31:46 +0000 (17:31 +0700)]
curl plugins: Use configured URL for all poll cycles
After redirect received, Collectd send subsequent requests to new location.
That is wrong - Collectd should use configured URL for all poll cycles, regardless of the responses received previously.
Problem was caused by libcurl issue 1631. To avoid that we set request url in each poll cycle.
Marc Fournier [Wed, 28 Jun 2017 11:46:59 +0000 (13:46 +0200)]
openldap: check ld structure before passing it to ldap_unbind()
This prevents collectd from segfaulting when the ldap session setup
fails before opening a connection to openldap (syntax error in the URL
option for example).
Florian Forster [Mon, 15 May 2017 12:40:26 +0000 (14:40 +0200)]
curl_json plugin: Fix array index and key handling.
Previously, the "key" was loaded by calling cj_cb_map_key() from
cj_cb_inc_array_index(). That means that the key for the previous element
was loaded as the array index was updated for the next element, resulting
in an off-by-one error. Also the key was not unset in time, resulting in
two metrics with the same identifier being created.
This patch fixes this with the following changes:
* cj_advance_array() (nee cj_cb_inc_array_index()) now loads the key for
the new index position instead of the previous one.
* The initial "0" key is loaded from cj_cb_start_array().
* cj_advance_array() always updates the key. The "update_key" argument
has been removed.
* Refactoring: key loading has been moved out of cj_cb_map_key() and
into its own function, cj_load_key().
Unit tests are in a separate commit for easier cherry-picking.
Florian Forster [Sun, 14 May 2017 06:24:51 +0000 (08:24 +0200)]
perl plugin: Fix potential double-free.
The av2notification_meta() function updated it's parameter by doing
(*m) = malloc();
Afterwards, if an error occurred, it would call `free(*m);` and (potentially)
return, leaving an invalid pointer stored in `m`. The caller would then try to
free the returned pointer because it was non-NULL.
This patch fixes this by doing several code cleanups:
* The meta argument is not updated unnecessarily. Instead, a local variable
is allocated and used within the loop and only on success is the return
pointer updated.
* Introduce additional local variables instead of re-using the `tmp` variable
multiple times.
* Name the variable pointing to the end of the linked list appropriately
`tail` and remove one level of indirection. Reading code that is using
pointers to pointers is unnecessarily hard.
Florian Forster [Sun, 7 May 2017 18:34:09 +0000 (20:34 +0200)]
bind plugin: Use timegm() to convert to time_t if available.
FreeBSD doesn't provide the "extern long timezone", presumably because
it's "only" an XSI extension, leading to a portability issue with the
previous approach.
timegm() is a non-standard function available in GNU's and BSD's libc
which is doing exactly what we need. The previous code is left as a
fallback.
Pavel Rochnyack [Mon, 3 Apr 2017 05:57:09 +0000 (11:57 +0600)]
network plugin: Fix endless loop DOS in parse_packet()
When correct 'Signature part' is received by Collectd, configured without
AuthFile option, condition for endless loop occurs due to missing increase
of pointer to next unprocessed part.
Ruben Kerkhof [Sun, 5 Mar 2017 17:30:23 +0000 (18:30 +0100)]
collectd.spec: Don't enable XFS support on RHEL6
It is missing for i386.
If there's strong interest in having support for xfs in the df plugin in
RHEL6 we can do some macro magic to only BuildRequire xfsprogs-devel if
were not on rhel6 i386, but this was the easiest fix and unblocks our
package builds.
Ruben Kerkhof [Sun, 5 Mar 2017 15:46:47 +0000 (16:46 +0100)]
Check for the CAP_IS_SUPPORTED macro
On EPEL6:
src/daemon/common.c: In function 'check_capability':
src/daemon/common.c:1571: error: implicit declaration of function 'CAP_IS_SUPPORTED'
make[1]: *** [src/daemon/common.lo] Error 1
Sebastian Harl [Sun, 11 Dec 2016 11:06:58 +0000 (12:06 +0100)]
configfile: Reintroduce support for boolean string config values.
For the network plugin, this was changed in ac73c75aed7 (which landed in 5.6)
which was a backward incompatible change breaking user configuration. Adding
support back in a central location ensures a more consistent behavior across
plugins. At the same time, we issue a warning message that this behavior is
deprecated.
Ruben Kerkhof [Sat, 19 Nov 2016 10:47:00 +0000 (11:47 +0100)]
Fix Lua header detection
checking lua.h usability... yes
checking lua.h presence... no
configure: WARNING: lua.h: accepted by the compiler, rejected by the
preprocessor!
configure: WARNING: lua.h: proceeding with the compiler's result
checking for lua.h... yes
checking lauxlib.h usability... yes
checking lauxlib.h presence... no
configure: WARNING: lauxlib.h: accepted by the compiler, rejected by the
preprocessor!
configure: WARNING: lauxlib.h: proceeding with the compiler's result
checking for lauxlib.h... yes
checking lualib.h usability... yes
checking lualib.h presence... no
configure: WARNING: lualib.h: accepted by the compiler, rejected by the
preprocessor!
configure: WARNING: lualib.h: proceeding with the compiler's result
checking for lualib.h... yes
AC_CHECK_HEADERS uses the preprocessor directly, which doesn't use
CFLAGS. Fixes detection of the lua-5.1 compat libs on Fedora Rawhide.
Florian Forster [Fri, 11 Nov 2016 13:34:20 +0000 (14:34 +0100)]
collectd-tg: Fix sleep interval.
nanosleep() was called with the current time, meaning that it would
block for years. This correctly subtracts "now" from the metric's time
and only sleeps for the duration between the two.
Florian Forster [Sun, 6 Nov 2016 21:17:02 +0000 (22:17 +0100)]
write_kafka plugin: Fix support for librdkafka 0.9.0.
Use rd_kafka_set_logger() only when rd_kafka_conf_set_log_cb() is not
available:
write_kafka.c: In function 'kafka_handle':
write_kafka.c:119:6: error: 'rd_kafka_set_logger' is deprecated (declared at /usr/local/include/librdkafka/rdkafka.h:2400) [-Werror=deprecated-declarations]
rd_kafka_set_logger(ctx->kafka, kafka_log);
^
Florian Forster [Sun, 6 Nov 2016 10:10:54 +0000 (11:10 +0100)]
src/write_riemann_threshold.h: Various fixes.
* Add license header. Simply copied src/write_riemann_threadhold.c's license.
* Make header self-contained. "plugin.h" is needed for data_source_t and
value_list_t.
* Add names to the parameters and write documentation for the only exported
function.
Florian Forster [Sun, 6 Nov 2016 09:34:22 +0000 (10:34 +0100)]
write_riemann plugin: Fix order of includes.
The previous version failed on Solaris with:
In file included from ./daemon/collectd.h:31:0,
from write_riemann.c:36:
./config.h:1619:0: error: "_FILE_OFFSET_BITS" redefined [-Werror]
#define _FILE_OFFSET_BITS 64
^
Marc Fournier [Tue, 1 Nov 2016 10:54:26 +0000 (11:54 +0100)]
configure.ac: make finding java deterministic
The sort order of the `find` command proves to be dependent on external
factors, which makes `./configure` pick different java versions on
different systems, making the whole build non-reproducible (see
https://reproducible-builds.org/ for more details).
Adding a call to `sort`, with the locale forced, fixes this issue.