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author | Dave Brolley <brolley@redhat.com> | 2009-04-14 12:33:28 -0400 |
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committer | Dave Brolley <brolley@redhat.com> | 2009-04-14 12:33:28 -0400 |
commit | a2422e707214a425e4e10ac5b7c39fc5ae4dea56 (patch) | |
tree | 01bb7e3524498acb351dd5d95cb15a2ace605da7 /runtime/staprun/staprun.c | |
parent | 2f7ba4b8416eae26971da68fdc14aa8560a7939c (diff) | |
download | systemtap-steved-a2422e707214a425e4e10ac5b7c39fc5ae4dea56.tar.gz systemtap-steved-a2422e707214a425e4e10ac5b7c39fc5ae4dea56.tar.xz systemtap-steved-a2422e707214a425e4e10ac5b7c39fc5ae4dea56.zip |
2009-04-14 Dave Brolley <brolley@redhat.com>
* translate.cxx (c_unparser::emit_unprivileged_user_check): Generate
code to check _stp_unprivileged_user.
* testsuite/lib/systemtap.exp (setup_server): Copy stap-env to $net_path.
* runtime/transport/transport.c: Set up _stp_unprivileged_user.
* runtime/staprun/staprun_funcs.c (check_signature): Distiguish among
verification failure due to errors, tampering, untrusted signer.
(check_permissions): Likewise.
(check_groups): Set unprivileged_user.
* runtime/staprun/staprun.c (insert_stap_module): Set _stp_unprivileged_user.
* runtime/staprun/modverify.h (MODULE_OK): #define it.
(MODULE_UNTRUSTED,MODULE_CHECK_ERROR,MODULE_ALTERED): Likewise.
* runtime/staprun/modverify.c (modverify.h): #include it.
(verify_it): Distiguish among verification failure due to errors,
tampering, untrusted signer.
(verify_module): Likewise.
* runtime/staprun/common.c (unprivileged_user): Define it.
* runtime/staprun/staprun.h (unprivileged_user): Declare it.
* cache.cxx (get_from_cache): Get the module signature file.
* stap-authorize-server-cert: Source `dirname $0`/stap-env.
* stap-authorize-signing-cert: Likewise.
* stap-client: Likewise.
* stap-find-or-start-server: Likewise.
* stap-find-servers: Likewise.
* stap-gen-cert: Likewise.
* stap-server: Likewise.
* stap-serverd: Likewise.
* stap-start-server: Likewise.
Diffstat (limited to 'runtime/staprun/staprun.c')
-rw-r--r-- | runtime/staprun/staprun.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/runtime/staprun/staprun.c b/runtime/staprun/staprun.c index 42b72ff1..917990dc 100644 --- a/runtime/staprun/staprun.c +++ b/runtime/staprun/staprun.c @@ -16,7 +16,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * Copyright (C) 2005-2008 Red Hat, Inc. + * Copyright (C) 2005-2009 Red Hat, Inc. * */ @@ -139,11 +139,21 @@ static int enable_uprobes(void) static int insert_stap_module(void) { - char bufsize_option[128]; + char special_options[128]; + char *bufptr = special_options; - if (snprintf_chk(bufsize_option, 128, "_stp_bufsize=%d", buffer_size)) + /* Add the _stp_bufsize option. */ + if (snprintf_chk(bufptr, sizeof (special_options), "_stp_bufsize=%d", buffer_size)) return -1; - return insert_module(modpath, bufsize_option, modoptions); + + /* Add the _stp_unprivileged_user option. */ + bufptr += strlen (bufptr); + if (snprintf_chk(bufptr, + sizeof (special_options) - (bufptr - special_options), + " _stp_unprivileged_user=%d", unprivileged_user)) + return -1; + + return insert_module(modpath, special_options, modoptions); } static int remove_module(const char *name, int verb); |