On Tue, Jan 9, 2024, 9:46 PM aginwala <[email protected]> wrote:

> So it seems it would be ok to use STREAM_SSL_OPTION_HANDLERS for multiple
> places not just ovn-controller which covers ssl-ciphers and ssl-protocols.
> Let me know and can amend in other patch or amend in same patch.
>


Thanks for root causing it.  I think one patch is good.


> On Tue, Jan 9, 2024 at 4:15 PM aginwala <[email protected]> wrote:
>
> > Hi :
> >
> > Debugging further with gdb, I was able to figure out it was was missed in
> > ovn-controller part of stream ssl option hanlder
> >
> >
> > git diff
> > diff --git a/controller/ovn-controller.c b/controller/ovn-controller.c
> > index 632a2cb15..66316e057 100644
> > --- a/controller/ovn-controller.c
> > +++ b/controller/ovn-controller.c
> > @@ -6191,6 +6191,13 @@ parse_options(int argc, char *argv[])
> >              ssl_ca_cert_file = optarg;
> >              break;
> >
> > +        case OPT_SSL_PROTOCOLS:
> > +            stream_ssl_set_protocols(optarg);
> > +            break;
> > +
> > +        case OPT_SSL_CIPHERS:
> > +            stream_ssl_set_ciphers(optarg);
> > +            break;
> >
> >          case OPT_PEER_CA_CERT:
> >              stream_ssl_set_peer_ca_cert_file(optarg);
> >
> > Works fine after compiling with this fix. I can send a formal pr
> > accordingly.
> >
> >
> > Regards,
> > Ali
> >
> > On Mon, Jan 8, 2024 at 3:35 PM aginwala <[email protected]> wrote:
> >
> >> Hi:
> >>
> >> When setting extra args like ssl-cipers for ovn-controller, it results
> in
> >> coredump on branch 23.09
> >> compiled with  --with-ovs-source and  --with-ovs-build option, OVS
> >> (branch-3.2)
> >>
> >> dump:
> >> Using host libthread_db library
> "/lib/x86_64-linux-gnu/libthread_db.so.1".
> >> Core was generated by `ovn-controller
> >> --ssl-ciphers=HIGH:!aNULL:!MD5:@SECLEVEL=1 unix:/var/run/openvsw'
> >> Program terminated with signal SIGABRT, Aborted.
> >> #0  __GI_raise (sig=sig@entry=6) at
> ../sysdeps/unix/sysv/linux/raise.c:50
> >> 50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
> >> (gdb) bt
> >> #0  __GI_raise (sig=sig@entry=6) at
> ../sysdeps/unix/sysv/linux/raise.c:50
> >> #1  0x00007fb13d7cf859 in __GI_abort () at abort.c:79
> >> #2  0x0000563257fac75c in main (argc=<optimized out>, argv=<optimized
> >> out>) at controller/ovn-controller.c:6019
> >> (gdb) frame 2
> >> #2  0x0000563257fac75c in main (argc=<optimized out>, argv=<optimized
> >> out>) at controller/ovn-controller.c:6019
> >> 6019            OVS_NOT_REACHED();
> >> (gdb) quit
> >>
> >> ##ovn-controller --version
> >> ovn-controller 23.09.1
> >> Open vSwitch Library 3.2.2
> >> OpenFlow versions 0x6:0x6
> >> SB DB Schema 20.29.0
> >>
> >> ##Same happens even on trying with any ovn-* commands
> >> ovn-nbctl --ssl-ciphers='xx'
> >> Aborted (core dumped)
> >> ovn-nbctl --version
> >> ovn-nbctl 23.09.1
> >> Open vSwitch Library 3.2.2
> >> DB Schema 7.1.0
> >>
> >> ## back trace for ovn-nbctl
> >> #0  __GI_raise (sig=sig@entry=6) at
> ../sysdeps/unix/sysv/linux/raise.c:50
> >> 50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
> >> (gdb) frame 2
> >> #2  0x0000562c759485aa in apply_options_direct
> >> (local_options=0x7ffcaa25fbb0, n=1, parsed_options=<optimized out>,
> >>     dbctl_options=0x7ffcaa25fc40) at utilities/ovn-dbctl.c:621
> >> 621            OVS_NOT_REACHED();
> >>
> >> --ssl-ciphers works fine when using ovn 20.03 ; directly using ovn
> debian
> >> ovn-controller 20.03.2
> >> Open vSwitch Library 2.13.8
> >> OpenFlow versions 0x4:0x4
> >> SB DB Schema 2.7.0
> >>
> >> ## underlying ovs
> >> ~/ovn# ovs-vsctl --version
> >> ovs-vsctl (Open vSwitch) 2.16.8
> >> DB Schema 8.3.0
> >>
> >> #Kernel/distio:
> >> 5.4.0-167-generic/Ubuntu 20.04.6 LTS
> >>
> >>
> >> To avoid invalidating certs on already running computes setup with old
> >> ovs pki infra, setting ciphers to HIGH:!aNULL:!MD5:@SECLEVEL=1 works
> >> fine part of bumping  to newer 20.x and avoid connectivity failures to
> >> control plane due mostly due to below error.
> >> SSL_connect: error:1416F086:SSL
> >> routines:tls_process_server_certificate:certificate verify failed while
> >> connecting to control plane.
> >>
> >>
> >> Not sure if it's a known issue with newer OVS stream-ssl. Core file
> >> attached.
> >>
> >>
> >> Regards,
> >> Ali
> >>
> >
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