[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH][VTPM]fix GetCapabilityOwner function
Hi, GetCapabilityOwner function's behavior of vtpm is different from that of real tpm device. By the difference, TPM Manager on HVM domain could not detect whether TPM device has an owner or not. [TPM Manager] http://sourceforge.net/projects/tpmmanager Attached patch fix the difference. Signed-off-by: Kouichi YASAKI <yasaki.kouichi@xxxxxxxxxxxxxx> Thanks Kouichi YASAKI diff -r 7fbc521b07a9 tools/vtpm/tpm_emulator.patch --- a/tools/vtpm/tpm_emulator.patch Thu Dec 27 13:00:40 2007 +0000 +++ b/tools/vtpm/tpm_emulator.patch Fri Dec 28 22:59:52 2007 +0900 @@ -547,6 +547,21 @@ diff -uprN orig/tpm_emulator-0.4/README Installation -------------------------------------------------------------------------- The compilation and installation process uses the build environment for +diff -uprN orig/tpm_emulator-0.4/tpm/tpm_capability.c tpm_emulator/tpm/tpm_capability.c +--- orig/tpm_emulator-0.4/tpm/tpm_capability.c 2006-06-23 19:37:07.000000000 +0900 ++++ tpm_emulator/tpm/tpm_capability.c 2007-12-28 22:50:19.000000000 +0900 +@@ -701,7 +701,10 @@ TPM_RESULT TPM_GetCapabilityOwner(TPM_VE + TPM_RESULT res; + + info("TPM_GetCapabilityOwner()"); +- ++ ++ if (!tpmData.permanent.flags.owned) { ++ return TPM_NOSRK; ++ } + /* Verify owner authorization */ + res = tpm_verify_auth(auth1, tpmData.permanent.data.ownerAuth, TPM_KH_OWNER); + if (res != TPM_SUCCESS) return res; diff -uprN orig/tpm_emulator-0.4/tpm/tpm_cmd_handler.c tpm_emulator/tpm/tpm_cmd_handler.c --- orig/tpm_emulator-0.4/tpm/tpm_cmd_handler.c 2006-06-23 19:37:07.000000000 +0900 +++ tpm_emulator/tpm/tpm_cmd_handler.c 2007-09-12 20:23:00.000000000 +0900 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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