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Re: HostRange bug in 2.1.18 ?


From: Mark Burgess
Subject: Re: HostRange bug in 2.1.18 ?
Date: Wed, 18 Jan 2006 08:06:50 +0100

The latest snapshot/svn version fixes a bug here. It was caused by a
recoding in 2.1.16 and I apparently missed a bit. There is no longer a
segfault, but please test whether the current patch actually matches
correctly?

M

On Wed, 2006-01-18 at 07:20 +0100, Christian Korschan wrote:
> address@hidden wrote:
> >  > I encounter the following problem in Cfengine-2.1.18 when I try
> >  > to use HostRange to define groups:
> >  > 
> >  > In cfagent.conf I have
> >  > 
> >  > groups:
> >  >          mygroup = ( HostRange(sa,01-09) host1 host2 )
> >  > 
> >  > 
> >  > ... and running "cfagent -d -v -q -n" end with:
> >  > 
> >  > 
> >  > [ stuff removed ]
> >  > ==============================BEGIN NEW ACTION Groups:=============
> >  > 
> >  > 
> >  > Resetting CLASS to ANY
> >  > 
> >  > LVALUE mygroup
> >  > HandleLVALUE(mygroup) in action Groups:
> >  > EQUALS =
> >  > LEFTBRACK
> >  > RVAL-FUNCTION HostRange(sa,01-09)
> >  > HandleFunctionObject(HostRange(sa,01-09))
> >  > IsBuiltinFunction(HostRange(sa,01-09))
> >  > IsBuiltinFunction: HostRange(sa,01-09)
> >  > HandleFunction: HostRange(sa,01-09)
> >  > FunctionStringToCode(HostRange)
> >  > ListArg[0]=(sa,01-09)
> >  > ListArg[1]=(a,01-09)
> >  > Appending [sa]
> >  > ListArg[0]=(01-09)
> >  > ListArg[1]=(1-09)
> >  > ListArg[2]=(-09)
> >  > ListArg[3]=(09)
> >  > ListArg[4]=(9)
> >  > Appending [01-09]
> >  > CFDEBUG: [sa]
> >  > CFDEBUG: [01-09]
> >  > cf:cfengine::/opt/openpkg/var/cfengine/inputs/cfagent.conf:100: Function 
> >  > or format of input file requires 1 argument items
> >  > SRDEBUG in HandleHostRange()
> >  > SRDEBUG args= value=
> >  > SRDEBUG in FuzzyHostParse():
> >  > SplitStringAsItemList(,,)
> >  > Segmentation fault
> >  > 
> >  > Is this a known problem or am I doing something wrong ?
> > 
> > This is new as far as I know.
> > 
> > What does cfagent -d2 -v -q -n report?
> ##########################################################################
> # BEGIN PARSING /opt/openpkg/var/cfengine/inputs/cfagent.conf
> ##########################################################################
> 
> HandleFunctionObject(HostRange(sa,01-99))
> IsBuiltinFunction(HostRange(sa,01-99))
> IsBuiltinFunction: HostRange(sa,01-99)
> HandleFunction: HostRange(sa,01-99)
> FunctionStringToCode(HostRange)
> ListArg[0]=(sa,01-99)
> ListArg[1]=(a,01-99)
> Appending [sa]
> ListArg[0]=(01-99)
> ListArg[1]=(1-99)
> ListArg[2]=(-99)
> ListArg[3]=(99)
> ListArg[4]=(9)
> Appending [01-99]
> cf:cfengine::/opt/openpkg/var/cfengine/inputs/cfagent.conf:98: Function 
> or format of input file requires 1 argument items
> SRDEBUG in HandleHostRange()
> SRDEBUG args= value=
> SRDEBUG in FuzzyHostParse():
> SplitStringAsItemList(,,)
> 
> Program received signal SIGSEGV, Segmentation fault.
> 
> > 
> > What does a gdb/dbx stack trace say?
> > 
> > steve
> 
> Thread 1 (Thread 4160644800 (LWP 8700)):
> #0  FuzzyHostParse (s=0xfffe8d8c "") at item.c:990
> #1  0x0807412b in HandleHostRange (args=0x0, value=0xffffb1ec "") at 
> functions.c:455
> #2  0x0807737f in EvaluateFunction (f=0x82ec527 "HostRange(sa,01-99)", 
> value=0xffffb1ec "") at functions.c:150
> #3  0x0807132b in HandleFunctionObject (fn=0x82ec527 
> "HostRange(sa,01-99)") at parse.c:648
> #4  0x080a1404 in yylex () at cflex.l:431
> #5  0x080996da in yyparse () at y.tab.c:1189
> #6  0x080719eb in ParseFile (filename=0xffffc790 
> "/opt/openpkg/var/cfengine/inputs/cfagent.conf",
>      env=0xffffc790 "/opt/openpkg/var/cfengine/inputs/cfagent.conf") at 
> parse.c:1051
> #7  0x08072094 in ParseInputFile (file=0x8292320 "cfagent.conf") at 
> parse.c:82
> #8  0x0804ef1c in main (argc=0, argv=0x0) at cfagent.c:140
> (gdb)
> 
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