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| author | Steve Dickson <steved@redhat.com> | 2009-12-21 13:05:10 -0500 |
|---|---|---|
| committer | Steve Dickson <steved@redhat.com> | 2009-12-21 13:05:10 -0500 |
| commit | cb79a3f04253b9cbda91241abadfc59ad8af38cf (patch) | |
| tree | 866a411cba6c48813008b51fcc7377ea7ccc5f93 | |
| parent | a2fd4a73d9fcf61e8bedc1476409fb19dfde5c5b (diff) | |
| download | systemtap-cb79a3f04253b9cbda91241abadfc59ad8af38cf.tar.gz systemtap-cb79a3f04253b9cbda91241abadfc59ad8af38cf.tar.xz systemtap-cb79a3f04253b9cbda91241abadfc59ad8af38cf.zip | |
Added some cred debugging
Signed-off-by: Steve Dickson <steved@redhat.com>
| -rw-r--r-- | sunrpc/auth.stp | 32 | ||||
| -rw-r--r-- | tapset/svc_cred.stp | 21 |
2 files changed, 53 insertions, 0 deletions
diff --git a/sunrpc/auth.stp b/sunrpc/auth.stp new file mode 100644 index 0000000..e5330af --- /dev/null +++ b/sunrpc/auth.stp @@ -0,0 +1,32 @@ +global rqstp +probe module("sunrpc").function("svcauth_unix_accept") +{ + printf("svcauth_unix_accept: rqstp %p authp %p\n", + $rqstp, $authp); + rqstp = $rqstp; +} +probe module("sunrpc").function("svcauth_unix_accept").return +{ + if ($return == 5) { + printf("svcauth_unix_accept: %s\n", svc_creds(rqstp)); + } else { + printf("svcauth_unix_accept: %s\n", svcerror($return)); + } +} +probe module("auth_rpcgss").function("svcauth_gss_accept") +{ + printf("svcauth_gss_accept: rqstp %p authp %p\n", + $rqstp, $authp); + rqstp = $rqstp; +} +probe module("auth_rpcgss").function("svcauth_gss_accept").return +{ + if ($return == 5) { + printf("svcauth_gss_accept: %s\n", svc_creds(rqstp)); + } else { + printf("svcauth_gss_accept: %s\n", svcerror($return)); + } +} + +probe begin { log("starting sunrpc auth probe") } +probe end { log("ending sunrpc auth probe") } diff --git a/tapset/svc_cred.stp b/tapset/svc_cred.stp new file mode 100644 index 0000000..35e7d4d --- /dev/null +++ b/tapset/svc_cred.stp @@ -0,0 +1,21 @@ +%{ +#include <linux/sunrpc/svc.h> +#include <linux/sunrpc/cache.h> +%} + +function svc_creds:string(_rqstp:long) +%{ + struct svc_rqst *rqstp = + (struct svc_rqst *)(long) kread(&(THIS->_rqstp)); + char buf[MAXSTRINGLEN]; + int cc=0; + + sprintf(buf+cc, "cr_uid %d cr_gid %d", rqstp->rq_cred.cr_uid, + rqstp->rq_cred.cr_gid); + cc = strlen(buf); + + snprintf(THIS->__retvalue, MAXSTRINGLEN, "%s", buf); + + CATCH_DEREF_FAULT(); +%} + |