Add a command to enable the physical presence command.

utility/tpmc.c

 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * TPM command utility.  Runs simple TPM commands.  Mostly useful when physical
  * presence has not been locked.
  */
 
 #include <stdio.h>
 #include <string.h>
@@ skipping 239 matching lines @@
  */
 command_record command_table[] = {
   { "getflags", "getf", "read and print the value of selected flags",
     HandlerGetFlags },
   { "startup", "sta", "issue a Startup command", TlclStartup },
   { "selftestfull", "test", "issue a SelfTestFull command", TlclSelfTestFull },
   { "continueselftest", "ctest", "issue a ContinueSelfTest command",
     TlclContinueSelfTest },
   { "assertphysicalpresence", "ppon", "assert Physical Presence",
     TlclAssertPhysicalPresence },
+  { "physicalpresencecmdenable", "ppcmd", "turn on software PP",
+    TlclPhysicalPresenceCMDEnable },
   { "enable", "ena", "enable the TPM (needs PP)", TlclSetEnable },
   { "disable", "dis", "disable the TPM (needs PP)", TlclClearEnable },
   { "activate", "act", "activate the TPM (needs PP, maybe reboot)",
     HandlerActivate },
   { "deactivate", "deact", "deactivate the TPM (needs PP, maybe reboot)",
     HandlerDeactivate },
   { "clear", "clr", "clear the TPM owner (needs PP)", TlclForceClear },
   { "setnvlocked", "setnv", "set the nvLocked flag permanently (IRREVERSIBLE!)",
     TlclSetNvLocked },
   { "lockphysicalpresence", "pplock", "lock PP to current value until reboot",
@@ skipping 21 matching lines @@
     fprintf(stderr, "usage: %s <TPM command> [args]\n   or: %s help\n",
             argv[0], argv[0]);
     exit(1);
   } else {
     command_record* c;
     const char* cmd = argv[1];
     nargs = argc;
     args = argv;
 
     if (strcmp(cmd, "help") == 0) {
-      printf("%23s %7s  %s\n\n", "command", "abbr.", "description");
+      printf("%26s %7s  %s\n\n", "command", "abbr.", "description");
       for (c = command_table; c < command_table + n_commands; c++) {
-        printf("%23s %7s  %s\n", c->name, c->abbr, c->description);
+        printf("%26s %7s  %s\n", c->name, c->abbr, c->description);
       }
       return 0;
     }
 
     TlclLibInit();
 
     for (c = command_table; c < command_table + n_commands; c++) {
       if (strcmp(cmd, c->name) == 0 || strcmp(cmd, c->abbr) == 0) {
         return ErrorCheck(c->handler(), cmd);
       }
     }
 
     /* No command matched. */
     fprintf(stderr, "%s: unknown command: %s\n", argv[0], cmd);
     return 1;
   }
 }