activatekey.c

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/***************************************************************************
 begin       : Thu Jun 24 2010
 copyright   : (C) 2010 by Martin Preuss
 email       : martin@libchipcard.de

 ***************************************************************************
 *          Please see toplevel file COPYING for license details           *
 ***************************************************************************/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include "globals.h"

#include <gwenhywfar/debug.h>
#include <gwenhywfar/ct.h>
#include <gwenhywfar/ctplugin.h>
#include <gwenhywfar/text.h>






int activateKey(GWEN_DB_NODE *dbArgs, int argc, char **argv)
{
  GWEN_DB_NODE *db;
  const char *ttype;
  const char *tname;
  GWEN_CRYPT_TOKEN *ct;
  unsigned int keyId;
  int rv;
  const char *s;
  const GWEN_ARGS args[]= {
    {
      GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
      GWEN_ArgsType_Int,            /* type */
      "keyId",                      /* name */
      1,                            /* minnum */
      1,                            /* maxnum */
      "k",                          /* short option */
      "key",                        /* long option */
      "Key id",                     /* short description */
      "Key id"                      /* long description */
    },
    {
      GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
      GWEN_ArgsType_Char,           /* type */
      "tokenType",                  /* name */
      1,                            /* minnum */
      1,                            /* maxnum */
      "t",                          /* short option */
      "ttype",                    /* long option */
      "Specify the crypt token type",     /* short description */
      "Specify the crypt token type"      /* long description */
    },
    {
      GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
      GWEN_ArgsType_Char,           /* type */
      "tokenName",                  /* name */
      0,                            /* minnum */
      1,                            /* maxnum */
      "n",                          /* short option */
      "tname",                      /* long option */
      "Specify the crypt token name",     /* short description */
      "Specify the crypt token name"      /* long description */
    },
    {
      GWEN_ARGS_FLAGS_HELP | GWEN_ARGS_FLAGS_LAST, /* flags */
      GWEN_ArgsType_Int,             /* type */
      "help",                       /* name */
      0,                            /* minnum */
      0,                            /* maxnum */
      "h",                          /* short option */
      "help",                       /* long option */
      "Show this help screen",      /* short description */
      "Show this help screen"       /* long description */
    }
  };

  db=GWEN_DB_GetGroup(dbArgs, GWEN_DB_FLAGS_DEFAULT, "local");
  rv=GWEN_Args_Check(argc, argv, 1,
                     GWEN_ARGS_MODE_ALLOW_FREEPARAM,
                     args,
                     db);
  if (rv==GWEN_ARGS_RESULT_ERROR) {
    fprintf(stderr, "ERROR: Could not parse arguments\n");
    return 1;
  }
  else if (rv==GWEN_ARGS_RESULT_HELP) {
    GWEN_BUFFER *ubuf;

    ubuf=GWEN_Buffer_new(0, 1024, 0, 1);
    if (GWEN_Args_Usage(args, ubuf, GWEN_ArgsOutType_Txt)) {
      fprintf(stderr, "ERROR: Could not create help string\n");
      return 1;
    }
    fprintf(stderr, "%s\n", GWEN_Buffer_GetStart(ubuf));
    GWEN_Buffer_free(ubuf);
    return 0;
  }

  keyId=GWEN_DB_GetIntValue(db, "keyId", 0, 0);
  if (keyId==0) {
    DBG_ERROR(0, "Key Id must not be zero");
    return 1;
  }

  s=GWEN_DB_GetCharValue(db, "algo", 0, "rsa");
  if (!s) {
    DBG_ERROR(0, "Algo id missing");
    return 1;
  }
  ttype=GWEN_DB_GetCharValue(db, "tokenType", 0, 0);
  assert(ttype);

  tname=GWEN_DB_GetCharValue(db, "tokenName", 0, 0);

  /* get crypt token */
  ct=getCryptToken(ttype, tname);
  if (ct==0)
    return 3;

  if (GWEN_DB_GetIntValue(dbArgs, "forcePin", 0, 0))
    GWEN_Crypt_Token_AddModes(ct, GWEN_CRYPT_TOKEN_MODE_FORCE_PIN_ENTRY);

  /* open crypt token for use */
  rv=GWEN_Crypt_Token_Open(ct, 1, 0);
  if (rv) {
    DBG_ERROR(0, "Could not open token");
    return 3;
  }
  else {
    /* activate key */
    rv=GWEN_Crypt_Token_ActivateKey(ct, keyId, 0);
    if (rv) {
      DBG_ERROR(GWEN_LOGDOMAIN,
                "Error activating key (%d)", rv);
      return 3;
    }
  }

  /* close crypt token */
  rv=GWEN_Crypt_Token_Close(ct, 0, 0);
  if (rv) {
    DBG_ERROR(0, "Could not close token");
    return 3;
  }

  fprintf(stderr, "Key %d successfully activated.\n", keyId);

  return 0;
}