[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-487-gbb4470c

[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.6-487-gbb4470c

[brolley]

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- Log -----------------------------------------------------------------
commit bb4470cacb3f7ce5161f9e8a1b7c37a87516a6c3
Author: Dave Brolley <brolley@redhat.com>
Date:   Wed Nov 23 13:44:40 2011 -0500

    PR 13128: Implement module privilege check in staprun.
    
    - staprun extracts the required privilege level from signed modules
      and compares it against the user's actual privilege credentials
      before loading.

commit f6be7c061559d319c4422ce5ad17e7ae5a0e405e
Author: Dave Brolley <brolley@redhat.com>
Date:   Tue Nov 22 11:13:28 2011 -0500

    PR 13128: Implement the new --privilege=stapsys
    
    - Users belonging to the group stapsys can use all probe points and tapset
      functions (including those which contain embedded C), but cannot
      use the -g option.
    - Loading of modules for stapsys users requires signing by a trusted compile-server.
    - Add testing for stapsys throughout as appropriate.
    - Update existing unprivileged test suites to test stapsys as appropriate.
    - New test suite tests -g against all privilege levels.

-----------------------------------------------------------------------

Summary of changes:
 csclient.cxx                                       |    2 +-
 elaborate.cxx                                      |    8 +-
 elaborate.h                                        |    2 +-
 privilege.cxx                                      |   40 ++-
 privilege.h                                        |   12 +-
 runtime/addr-map.c                                 |    6 +-
 runtime/runtime.h                                  |    4 +-
 runtime/staprun/staprun_funcs.c                    |  316 ++++++++++++--------
 runtime/task_finder.c                              |    6 +-
 session.cxx                                        |   86 ++++--
 stap-serverd.cxx                                   |   24 +-
 staptree.cxx                                       |    4 +-
 systemtap.spec                                     |    1 +
 tapsets.cxx                                        |    3 +-
 testsuite/systemtap.server/client.exp              |  174 ++++++-----
 testsuite/systemtap.server/client_args.exp         |   39 +++-
 .../unprivileged_embedded_C.exp                    |   59 +++--
 .../systemtap.unprivileged/unprivileged_myproc.exp |  131 ++++++---
 .../unprivileged_options.exp                       |   48 +++
 .../systemtap.unprivileged/unprivileged_probes.exp |  125 ++++++---
 translate.cxx                                      |    5 +-
 21 files changed, 713 insertions(+), 382 deletions(-)
 create mode 100644 testsuite/systemtap.unprivileged/unprivileged_options.exp


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