On 09/10/2010 10:33 AM, Andrey Borzenkov wrote:
> On Friday 10 of September 2010 15:48:22 Harald Hoyer wrote:
>> On 09/08/2010 06:48 PM, Tomasz Paweł Gajc wrote:
>>> Dnia 2010-09-08, o godz. 18:52:13
>>>
>>> Andrey Borzenkov<arvidjaar@xxxxxxx> napisał(a):
>>>> Thomas pointed out that default module path may not be correct
>>>> (Mandriva installs modules under architecture dependent path).
>>>> Unfortunately rsyslog does not seem to offer any way to query
>>>> for
>>>> default configuration values. Here is rather hack - try to load
>>>> non-existing module and fetch path from error message.
>>>>
>>>> Example of error message from version 4.6.4:
>>>>
>>>> rsyslogd: could not load module
>>>> '/lib64/rsyslog/_No_sUcH_MOduLe.so', dlopen:
>>>> /lib64/rsyslog/_No_sUcH_MOduLe.so: cannot open shared object
>>>> file: No such file or directory
>>>>
>>>> Signed-off-by: Andrey Borzenkov<arvidjaar@xxxxxxx>
>>>>
>>>> ---
>>>>
>>>> modules.d/98syslog/install | 17 ++++++++++++++++-
>>>> 1 files changed, 16 insertions(+), 1 deletions(-)
>>>>
>>>> diff --git a/modules.d/98syslog/install
>>>> b/modules.d/98syslog/install index 1fd1b6f..e3d02bf 100755
>>>> --- a/modules.d/98syslog/install
>>>> +++ b/modules.d/98syslog/install
>>>> @@ -1,6 +1,21 @@
>>>>
>>>> #!/bin/sh
>>>> if type -P rsyslogd>/dev/null; then
>>>>
>>>> -
>>>> installs="rsyslogd /lib/rsyslog/lmnet.so /lib/rsyslog/imklog.so
>>>> /lib/rsyslog/imuxsock.so" + # module path can be changed during
>>>> build and currently rsyslog
>>>> + # does not provide any means to query for it. Use hack - try
>>>> to
>>>> + # load non-existent module and look at error message
>>>> + R_CONF=/tmp/dracut.rsyslog.conf.$$
>>>> + R_ERR=/tmp/dracut.rsyslog.err.$$
>>>> + R_MODDIR=
>>>> + echo '$ModLoad _No_sUcH_MOduLe'> $R_CONF
>>>> + if [ -s $R_CONF ]; then
>>>> + rsyslogd -N 1 -f $R_CONF 2> $R_ERR> /dev/null
>>>> + R_MODDIR=$(grep ' could not load
>>>> module .*_No_sUcH_MOduLe' $R_ERR)
>>>> + R_MODDIR=${R_MODDIR#*could not load module \'}
>>>> + R_MODDIR=${R_MODDIR%\', *}
>>>> + R_MODDIR=${R_MODDIR%/*}
>>>> + fi
>>>> + [ -n "$R_MODDIR" ] || R_MODDIR=/lib/rsyslog
>>>> + installs="rsyslogd $R_MODDIR/lmnet.so $R_MODDIR/imklog.so
>>>> $R_MODDIR/imuxsock.so" elif type -P syslogd>/dev/null; then
>>>>
>>>> installs="syslogd"
>>>>
>>>> elif type -P syslog-ng>/dev/null; then
>>>
>>> Indeed this patch is more precise than my simplified one ;)
>>
>> ugly hack :-/ plus you want mktemp to prevent attacks..
>
> Just to make sure - it was NAK? :)
Is there some reason to do something this complex instead of simply replacing
/lib/rsyslog/ with /lib*/rsyslog/ on that one line?
--
Peter
Computers don't make errors. What they do, they do on purpose.
-- Dale
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