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From Ben RUBSON <ben.rub...@gmail.com>
Subject Re: [Bug Report] mod_perl runs with GID 0 !
Date Tue, 12 Apr 2016 06:11:11 GMT
Because this is the documented procedure :
http://perl.apache.org/docs/2.0/user/help/help.html#Reporting_Problems


> I'm confused.  Why send this to the mailing list?
> 
> 
> On Mon, Apr 11, 2016 at 11:04:17PM +0200, Ben RUBSON wrote:
>> -------------8<---------- Start Bug Report ------------8<----------
>> 1. Problem Description:
>> 
>> Hello,
>> 
>> Here is my Apache user and group :
>> 
>> # grep -iE "user|group" httpd.conf
>> User #1025
>> Group #1025
>> 
>> # ps axo uid,gid,comm  | grep http
>> 1025  1025 httpd
>> 1025  1025 httpd
>> 1025  1025 httpd
>> 
>> Let's run the following example script in mod_perl :
>> 
>> # more test.pl
>> open(my $fh, ">", "/tmp/test.log");
>> print $fh "Your UID is " . $< . "\n";
>> my @groups = split '\s', $(;
>> print $fh "You belong to these groups: ";
>> print $fh $_ . " " foreach(@groups);
>> 
>> Let's see the result :
>> 
>> # cat /tmp/test.log
>> Your UID is 1025
>> You belong to these groups: 1025 1025 
>> 
>> # ls -ln /tmp/test.log 
>> -rw-------  1 1025  0  82 11 Apr 22:25 /tmp/test.log
>> 
>> Question :
>> Why does the file is owned by group ID 0 ?
>> It should be 1025.
>> In addition, the Perl script (and its processes launched using system()) can't use
files owned by group #1025.
>> 
>> Thank you,
>> 
>> Best regards,
>> 
>> Ben
>> 
>> 2. Used Components and their Configuration:
>> 
>> *** mod_perl version 2.000009
>> 
>> *** using /usr/local/lib/perl5/site_perl/mach/5.20/Apache2/BuildConfig.pm
>> 
>> *** Makefile.PL options:
>>  MP_APR_CONFIG  => /usr/local/bin/apr-1-config
>>  MP_APR_LIB     => aprext
>>  MP_APXS        => /usr/local/sbin/apxs
>>  MP_COMPAT_1X   => 1
>>  MP_GENERATE_XS => 1
>>  MP_LIBNAME     => mod_perl
>>  MP_USE_DSO     => 1
>> 
>> 
>> *** The httpd binary was not found
>> 
>> 
>> *** (apr|apu)-config linking info
>> 
>> -L/usr/local/lib -laprutil-1  -ldb-5.3 -lgdbm  -lexpat -L/usr/lib -L/usr/local/lib
-L/usr/local/lib/db5
>> -L/usr/local/lib -lapr-1 -lcrypt  -lpthread 
>> 
>> 
>> 
>> *** /usr/local/bin/perl -V
>> Summary of my perl5 (revision 5 version 20 subversion 3) configuration:
>> 
>>  Platform:
>>    osname=freebsd, osvers=10.1-release-p31, archname=amd64-freebsd-thread-multi
>>    uname='freebsd 101amd64-quarterly-job-02 10.1-release-p31 freebsd 10.1-release-p31
amd64 '
>>    config_args='-sde -Dprefix=/usr/local -Dlibperl=libperl.so.5.20.3 -Darchlib=/usr/local/lib/perl5/5.20/mach
-Dprivlib=/usr/local/lib/perl5/5.20 -Dman3dir=/usr/local/lib/perl5/5.20/perl/man/man3 -Dman1dir=/usr/local/lib/perl5/5.20/perl/man/man1
-Dsitearch=/usr/local/lib/perl5/site_perl/mach/5.20 -Dsitelib=/usr/local/lib/perl5/site_perl
-Dscriptdir=/usr/local/bin -Dsiteman3dir=/usr/local/lib/perl5/site_perl/man/man3 -Dsiteman1dir=/usr/local/lib/perl5/site_perl/man/man1
-Ui_malloc -Ui_iconv -Uinstallusrbinperl -Dusenm=n -Dcc=cc -Duseshrplib -Dinc_version_list=none
-Dcf_by=perl -Dcf_email=perl@FreeBSD.org -Dcf_time=Sat Sep 12 19:09:14 UTC 2015 -Alddlflags=-L/wrkdirs/usr/ports/lang/perl5.20/work/perl-5.20.3
-L/usr/local/lib/perl5/5.20/mach/CORE -Wl,-rpath=/usr/local/lib/perl5/5.20/mach/CORE -lperl
-Dshrpldflags=$(LDDLFLAGS:N-L/wrkdirs/usr/ports/lang/perl5.20/work/perl-5.20.3:N-L/usr/local/lib/perl5/5.20/mach/CORE:N-Wl,-rpath=/usr/local/lib/perl5/5.20/mach/CORE:N-lperl)
-Wl,-soname,$(LIBPERL:R) -Dotherlibdirs=/usr/local/lib/perl5/site_perl/5.20:/usr/local/lib/perl5/site_perl/5.20/mach
-Doptimize=-O2 -pipe  -fstack-protector -fno-strict-aliasing -Ui_gdbm -Dusemultiplicity=y
-Duse64bitint -Dusethreads=y -Dusemymalloc=n'
>>    hint=recommended, useposix=true, d_sigaction=define
>>    useithreads=define, usemultiplicity=define
>>    use64bitint=define, use64bitall=define, uselongdouble=undef
>>    usemymalloc=n, bincompat5005=undef
>>  Compiler:
>>    cc='cc', ccflags ='-DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing
-pipe -fstack-protector -I/usr/local/include',
>>    optimize='-O2 -pipe -fstack-protector -fno-strict-aliasing',
>>    cppflags='-DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe -fstack-protector
-I/usr/local/include'
>>    ccversion='', gccversion='4.2.1 Compatible FreeBSD Clang 3.4.1 (tags/RELEASE_34/dot1-final
208032)', gccosandvers=''
>>    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
>>    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
>>    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
>>    alignbytes=8, prototype=define
>>  Linker and Libraries:
>>    ld='cc', ldflags ='-lpthread -Wl,-E  -fstack-protector -L/usr/local/lib'
>>    libpth=/usr/lib /usr/local/lib /usr/include/clang/3.4.1 /usr/lib
>>    libs=-lpthread -lm -lcrypt -lutil
>>    perllibs=-lpthread -lm -lcrypt -lutil
>>    libc=, so=so, useshrplib=true, libperl=libperl.so.5.20.3
>>    gnulibc_version=''
>>  Dynamic Linking:
>>    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='  -Wl,-R/usr/local/lib/perl5/5.20/mach/CORE'
>>    cccdlflags='-DPIC -fPIC', lddlflags='-shared  -L/wrkdirs/usr/ports/lang/perl5.20/work/perl-5.20.3
-L/usr/local/lib/perl5/5.20/mach/CORE -Wl,-rpath=/usr/local/lib/perl5/5.20/mach/CORE -lperl
-L/usr/local/lib -fstack-protector'
>> 
>> 
>> Characteristics of this binary (from libperl): 
>>  Compile-time options: HAS_TIMES MULTIPLICITY PERLIO_LAYERS
>>                        PERL_DONT_CREATE_GVSV
>>                        PERL_HASH_FUNC_ONE_AT_A_TIME_HARD
>>                        PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP
>>                        PERL_NEW_COPY_ON_WRITE PERL_PRESERVE_IVUV
>>                        USE_64_BIT_ALL USE_64_BIT_INT USE_ITHREADS
>>                        USE_LARGE_FILES USE_LOCALE USE_LOCALE_COLLATE
>>                        USE_LOCALE_CTYPE USE_LOCALE_NUMERIC USE_PERLIO
>>                        USE_PERL_ATOF USE_REENTRANT_API
>>  Built under freebsd
>>  %ENV:
>>    PERL_LWP_USE_HTTP_10="1"
>>  @INC:
>>    /usr/local/lib/perl5/site_perl/mach/5.20
>>    /usr/local/lib/perl5/site_perl
>>    /usr/local/lib/perl5/5.20/mach
>>    /usr/local/lib/perl5/5.20
>>    /usr/local/lib/perl5/site_perl/5.20
>>    /usr/local/lib/perl5/site_perl/5.20/mach
>>    .
>> 
>> *** Packages of interest status:
>> 
>> Apache2            : -
>> Apache2::Request   : -
>> CGI                : 3.65
>> ExtUtils::MakeMaker: 6.98
>> LWP                : 6.15
>> mod_perl           : -
>> mod_perl2          : 2.000009
>> 
>> 
>> 3. This is the core dump trace: (if you get a core dump):
>> 
>>  [CORE TRACE COMES HERE]
>> 
>> 4. Additional info :
>> 
>> # uname -a
>> FreeBSD mysrv 10.3-RELEASE FreeBSD 10.3-RELEASE #0 r297264: Fri Mar 25 02:10:02 UTC
2016     root@releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64
>> 
>> # pkg search -f ap24-mod_perl2
>> ap24-mod_perl2-2.0.9,3
>> Name           : ap24-mod_perl2
>> Version        : 2.0.9,3
>> Origin         : www/mod_perl2
>> Architecture   : freebsd:10:x86:64
>> Prefix         : /usr/local
>> Repository     : FreeBSD [pkg+http://pkg.FreeBSD.org/FreeBSD:10:amd64/quarterly]
>> 
>> # pkg search -f perl5
>> perl5-5.20.3_8
>> Name           : perl5
>> Version        : 5.20.3_8
>> Origin         : lang/perl5.20
>> Architecture   : freebsd:10:x86:64
>> Prefix         : /usr/local
>> Repository     : FreeBSD [pkg+http://pkg.FreeBSD.org/FreeBSD:10:amd64/quarterly]
>> 
>> # httpd -V
>> Server version: Apache/2.4.18 (FreeBSD)
>> Server built:   Apr  5 2016 01:24:22
>> Server's Module Magic Number: 20120211:52
>> Server loaded:  APR 1.5.2, APR-UTIL 1.5.4
>> Compiled using: APR 1.5.2, APR-UTIL 1.5.4
>> Architecture:   64-bit
>> Server MPM:     prefork
>>  threaded:     no
>>    forked:     yes (variable process count)
>> Server compiled with....
>> -D APR_HAS_SENDFILE
>> -D APR_HAS_MMAP
>> -D APR_HAVE_IPV6 (IPv4-mapped addresses disabled)
>> -D APR_USE_FLOCK_SERIALIZE
>> -D APR_USE_PTHREAD_SERIALIZE
>> -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
>> -D APR_HAS_OTHER_CHILD
>> -D AP_HAVE_RELIABLE_PIPED_LOGS
>> -D DYNAMIC_MODULE_LIMIT=256
>> -D HTTPD_ROOT="/usr/local"
>> -D SUEXEC_BIN="/usr/local/bin/suexec"
>> -D DEFAULT_PIDLOG="/var/run/httpd.pid"
>> -D DEFAULT_SCOREBOARD="/var/run/apache_runtime_status"
>> -D DEFAULT_ERRORLOG="/var/log/httpd-error.log"
>> -D AP_TYPES_CONFIG_FILE="etc/apache24/mime.types"
>> -D SERVER_CONFIG_FILE="etc/apache24/httpd.conf"
>> 
>> This report was generated by /usr/local/bin/mp2bug on Mon Apr 11 20:49:52 2016 GMT.
>> 
>> -------------8<---------- End Bug Report --------------8<----------
> 
> -- 
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> that Brooklyn, like Atlantis, reaches mythological
> proportions in the mind of the world - RI Safir 1998
> http://www.mrbrklyn.com 
> 
> DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002
> http://www.nylxs.com - Leadership Development in Free Software
> http://www2.mrbrklyn.com/resources - Unpublished Archive 
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> 
> Being so tracked is for FARM ANIMALS and and extermination camps, 
> but incompatible with living as a free human being. -RI Safir 2013
> 


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