Ejemplo n.º 1
0
/* Set the engine info for the context CTX, protocol PROTO, to the
   file name FILE_NAME and the home directory HOME_DIR.  */
gpgme_error_t
gpgme_ctx_set_engine_info (gpgme_ctx_t ctx, gpgme_protocol_t proto,
			   const char *file_name, const char *home_dir)
{
  gpgme_error_t err;
  TRACE_BEG4 (DEBUG_CTX, "gpgme_ctx_set_engine_info", ctx,
	      "protocol=%i (%s), file_name=%s, home_dir=%s",
	      proto, gpgme_get_protocol_name (proto)
	      ? gpgme_get_protocol_name (proto) : "unknown",
	      file_name ? file_name : "(default)",
	      home_dir ? home_dir : "(default)");

  if (!ctx)
    return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));

  /* Shut down the engine when changing engine info.  */
  if (ctx->engine)
    {
      TRACE_LOG1 ("releasing ctx->engine=%p", ctx->engine);
      _gpgme_engine_release (ctx->engine);
      ctx->engine = NULL;
    }
  err = _gpgme_set_engine_info (ctx->engine_info, proto,
				file_name, home_dir);
  return TRACE_ERR (err);
}
Ejemplo n.º 2
0
gpgme_error_t
gpgme_set_protocol (gpgme_ctx_t ctx, gpgme_protocol_t protocol)
{
  TRACE_BEG2 (DEBUG_CTX, "gpgme_set_protocol", ctx, "protocol=%i (%s)",
	      protocol, gpgme_get_protocol_name (protocol)
	      ? gpgme_get_protocol_name (protocol) : "invalid");

  if (protocol != GPGME_PROTOCOL_OpenPGP
      && protocol != GPGME_PROTOCOL_CMS
      && protocol != GPGME_PROTOCOL_GPGCONF
      && protocol != GPGME_PROTOCOL_ASSUAN
      && protocol != GPGME_PROTOCOL_G13
      && protocol != GPGME_PROTOCOL_UISERVER
      && protocol != GPGME_PROTOCOL_SPAWN)
    return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));

  if (!ctx)
    return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));

  if (ctx->protocol != protocol)
    {
      /* Shut down the engine when switching protocols.  */
      if (ctx->engine)
	{
	  TRACE_LOG1 ("releasing ctx->engine=%p", ctx->engine);
	  _gpgme_engine_release (ctx->engine);
	  ctx->engine = NULL;
	}

      ctx->protocol = protocol;
    }
  return TRACE_ERR (0);
}
Ejemplo n.º 3
0
gpgme_protocol_t
gpgme_get_sub_protocol (gpgme_ctx_t ctx)
{
  TRACE2 (DEBUG_CTX, "gpgme_get_sub_protocol", ctx,
	  "ctx->sub_protocol=%i (%s)", ctx->sub_protocol,
	  gpgme_get_protocol_name (ctx->sub_protocol)
	  ? gpgme_get_protocol_name (ctx->sub_protocol) : "invalid");

  return ctx->sub_protocol;
}
Ejemplo n.º 4
0
gpgme_error_t
gpgme_set_sub_protocol (gpgme_ctx_t ctx, gpgme_protocol_t protocol)
{
  TRACE2 (DEBUG_CTX, "gpgme_set_sub_protocol", ctx, "protocol=%i (%s)",
	  protocol, gpgme_get_protocol_name (protocol)
	  ? gpgme_get_protocol_name (protocol) : "invalid");

  if (!ctx)
    return gpg_error (GPG_ERR_INV_VALUE);

  ctx->sub_protocol = protocol;
  return 0;
}
Ejemplo n.º 5
0
/*
 * create a GpgME context for the passed protocol
 */
static gpgme_error_t
gpgme_new_with_protocol(gpgme_ctx_t * ctx, gpgme_protocol_t protocol,
			GtkWindow * parent, GError ** error)
{
    gpgme_error_t err;


    /* create the GpgME context */
    if ((err = gpgme_new(ctx)) != GPG_ERR_NO_ERROR) {
	g_set_error_from_gpgme(error, err, _("could not create context"));
    } else {
	if ((err = gpgme_set_protocol(*ctx, protocol)) != GPG_ERR_NO_ERROR) {
	    gchar *errmsg =
		g_strdup_printf(_("could not set protocol '%s'"),
				gpgme_get_protocol_name(protocol));

	    g_set_error_from_gpgme(error, err, errmsg);
	    g_free(errmsg);
	    gpgme_release(*ctx);
	} else {
	    if (protocol == GPGME_PROTOCOL_OpenPGP)
		gpgme_set_passphrase_cb(*ctx, gpgme_passphrase_cb, parent);
	}
    }

    return err;
}
Ejemplo n.º 6
0
int setup(gpgme_ctx_t* ctx)
{
   char *p;
   gpgme_error_t err;
   gpgme_engine_info_t enginfo;

   setlocale (LC_ALL, "");
   p = (char *) gpgme_check_version(NULL);
   printf("version=%s\n",p);
   /* set locale, because tests do also */
   gpgme_set_locale(NULL, LC_CTYPE, setlocale (LC_CTYPE, NULL));

   /* check for OpenPGP support */
   err = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
   if(err != GPG_ERR_NO_ERROR) return 1;

   p = (char *) gpgme_get_protocol_name(GPGME_PROTOCOL_OpenPGP);
   printf("Protocol name: %s\n",p);

   /* get engine information */
   err = gpgme_get_engine_info(&enginfo);
   if(err != GPG_ERR_NO_ERROR) return 2;
   printf("file=%s, home=%s\n",enginfo->file_name,enginfo->home_dir);

   /* create our own context */
   err = gpgme_new(ctx);
   if(err != GPG_ERR_NO_ERROR) return 3;

   /* set protocol to use in our context */
   err = gpgme_set_protocol(*ctx,GPGME_PROTOCOL_OpenPGP);
   if(err != GPG_ERR_NO_ERROR) return 4;

   /* set engine info in our context; I changed it for ceof like this:

   err = gpgme_ctx_set_engine_info (*ctx, GPGME_PROTOCOL_OpenPGP,
               "/usr/bin/gpg","/home/user/nico/.ceof/gpg/");

      but I'll use standard values for this example: */

   err = gpgme_ctx_set_engine_info (*ctx, GPGME_PROTOCOL_OpenPGP,
               enginfo->file_name,enginfo->home_dir);
   if(err != GPG_ERR_NO_ERROR) return 5;

   return 0;
}
Ejemplo n.º 7
0
void sgpgme_init()
{
	gchar *ctype_locale = NULL, *messages_locale = NULL;
	gchar *ctype_utf8_locale = NULL, *messages_utf8_locale = NULL;

	gpgme_engine_info_t engineInfo;
	if (gpgme_check_version("1.0.0")) {
#ifdef LC_CTYPE
		debug_print("setting gpgme CTYPE locale\n");
#ifdef G_OS_WIN32
		ctype_locale = g_win32_getlocale();
#else
		ctype_locale = g_strdup(setlocale(LC_CTYPE, NULL));
#endif
		if (ctype_locale) {
			debug_print("setting gpgme CTYPE locale to: %s\n", ctype_locale);
			if (strchr(ctype_locale, '.'))
				*(strchr(ctype_locale, '.')) = '\0';
			else if (strchr(ctype_locale, '@'))
				*(strchr(ctype_locale, '@')) = '\0';
			ctype_utf8_locale = g_strconcat(ctype_locale, ".UTF-8", NULL);

			debug_print("setting gpgme locale to UTF8: %s\n", ctype_utf8_locale ? ctype_utf8_locale : "NULL");
			gpgme_set_locale(NULL, LC_CTYPE, ctype_utf8_locale);

			debug_print("done\n");
			g_free(ctype_utf8_locale);
			g_free(ctype_locale);
		} else {
			debug_print("couldn't set gpgme CTYPE locale\n");
		}
#endif
#ifdef LC_MESSAGES
		debug_print("setting gpgme MESSAGES locale\n");
#ifdef G_OS_WIN32
		messages_locale = g_win32_getlocale();
#else
		messages_locale = g_strdup(setlocale(LC_MESSAGES, NULL));
#endif
		if (messages_locale) {
			debug_print("setting gpgme MESSAGES locale to: %s\n", messages_locale);
			if (strchr(messages_locale, '.'))
				*(strchr(messages_locale, '.')) = '\0';
			else if (strchr(messages_locale, '@'))
				*(strchr(messages_locale, '@')) = '\0';
			messages_utf8_locale = g_strconcat(messages_locale, ".UTF-8", NULL);
			debug_print("setting gpgme locale to UTF8: %s\n", messages_utf8_locale ? messages_utf8_locale : "NULL");

			gpgme_set_locale(NULL, LC_MESSAGES, messages_utf8_locale);

			debug_print("done\n");
			g_free(messages_utf8_locale);
			g_free(messages_locale);
		} else {
			debug_print("couldn't set gpgme MESSAGES locale\n");
		}
#endif
		if (!gpgme_get_engine_info(&engineInfo)) {
			while (engineInfo) {
				debug_print("GpgME Protocol: %s\n"
					    "Version: %s (req %s)\n"
					    "Executable: %s\n",
					gpgme_get_protocol_name(engineInfo->protocol) ? gpgme_get_protocol_name(engineInfo->protocol):"???",
					engineInfo->version ? engineInfo->version:"???",
					engineInfo->req_version ? engineInfo->req_version:"???",
					engineInfo->file_name ? engineInfo->file_name:"???");
				if (engineInfo->protocol == GPGME_PROTOCOL_OpenPGP
				&&  gpgme_engine_check_version(engineInfo->protocol) != 
					GPG_ERR_NO_ERROR) {
					if (engineInfo->file_name && !engineInfo->version) {
						alertpanel_error(_("Gpgme protocol '%s' is unusable: "
								   "Engine '%s' isn't installed properly."),
								   gpgme_get_protocol_name(engineInfo->protocol),
								   engineInfo->file_name);
					} else if (engineInfo->file_name && engineInfo->version
					  && engineInfo->req_version) {
						alertpanel_error(_("Gpgme protocol '%s' is unusable: "
								   "Engine '%s' version %s is installed, "
								   "but version %s is required.\n"),
								   gpgme_get_protocol_name(engineInfo->protocol),
								   engineInfo->file_name,
								   engineInfo->version,
								   engineInfo->req_version);
					} else {
						alertpanel_error(_("Gpgme protocol '%s' is unusable "
								   "(unknown problem)"),
								   gpgme_get_protocol_name(engineInfo->protocol));
					}
				}
				engineInfo = engineInfo->next;
			}
		}
	} else {
		sgpgme_disable_all();

		if (prefs_gpg_get_config()->gpg_warning) {
			AlertValue val;

			val = alertpanel_full
				(_("Warning"),
				 _("GnuPG is not installed properly, or needs "
				 "to be upgraded.\n"
				 "OpenPGP support disabled."),
				 GTK_STOCK_CLOSE, NULL, NULL, TRUE, NULL,
				 ALERT_WARNING, G_ALERTDEFAULT);
			if (val & G_ALERTDISABLE)
				prefs_gpg_get_config()->gpg_warning = FALSE;
		}
	}
}
Ejemplo n.º 8
0
int 
main (int argc, char **argv)
{
  gpgme_error_t err;
  gpgme_ctx_t ctx;
  gpgme_key_t key;
  gpgme_keylist_result_t result;
  int i = 0;

  init_gpgme (GPGME_PROTOCOL_CMS);

  err = gpgme_new (&ctx);
  fail_if_err (err);
  gpgme_set_protocol (ctx, GPGME_PROTOCOL_CMS);

  err = gpgme_op_keylist_start (ctx, NULL, 0);
  fail_if_err (err);
    
  while (!(err = gpgme_op_keylist_next (ctx, &key)))
    {
      if (!keys[i].fpr)
	{
	  fprintf (stderr, "More keys returned than expected\n");
	  exit (1);
	}

      if (strcmp (key->subkeys->fpr, keys[i].fpr))
	{
	  fprintf (stderr, "Warning: Skipping unknown key %s\n",
		   key->subkeys->fpr);
	  continue;
	}
      else
	printf ("Checking key %s\n", key->subkeys->fpr);

      /* Global key flags.  */
      if (key->revoked)
	{
	  fprintf (stderr, "Key unexpectedly revoked\n");
	  exit (1);
	}
      if (key->expired)
	{
	  fprintf (stderr, "Key unexpectedly expired\n");
	  exit (1);
	}
      if (key->disabled)
	{
	  fprintf (stderr, "Key unexpectedly disabled\n");
	  exit (1);
	}
      if (key->invalid)
	{
	  fprintf (stderr, "Key unexpectedly invalid\n");
	  exit (1);
	}
      if (key->can_encrypt != keys[i].secret)
	{
	  fprintf (stderr, "Key unexpectedly%s usable for encryption\n",
		   key->can_encrypt ? "" : " not");
	  exit (1);
	}
      if (key->can_sign != keys[i].secret)
	{
	  fprintf (stderr, "Key unexpectedly%s usable for signing\n",
		   key->can_sign ? "" : " not");
	  exit (1);
	}
      if (!key->can_certify)
	{
	  fprintf (stderr, "Key unexpectedly unusable for certifications\n");
	  exit (1);
	}
      if (key->secret != keys[i].secret)
	{
	  fprintf (stderr, "Key unexpectedly%s secret\n",
		   key->secret ? "" : " not");
	  exit (1);
	}
      if (key->protocol != GPGME_PROTOCOL_CMS)
	{
	  fprintf (stderr, "Key has unexpected protocol: %s\n",
		   gpgme_get_protocol_name (key->protocol));
	  exit (1);
	}
      if (!key->issuer_serial)
	{
	  fprintf (stderr, "Key unexpectedly misses issuer serial\n");
	  exit (1);
	}
      if (strcmp (key->issuer_serial, keys[i].issuer_serial))
	{
	  fprintf (stderr, "Key has unexpected issuer serial: %s\n",
		   key->issuer_serial);
	  exit (1);
	}
      if (!key->issuer_name)
	{
	  fprintf (stderr, "Key unexpectedly misses issuer name\n");
	  exit (1);
	}
      if (strcmp (key->issuer_name, keys[i].issuer_name))
	{
	  fprintf (stderr, "Key has unexpected issuer name: %s\n",
		   key->issuer_name);
	  exit (1);
	}
      if (key->chain_id && !keys[i].chain_id)
	{
	  fprintf (stderr, "Key unexpectedly carries chain ID: %s\n",
		   key->chain_id);
	  exit (1);
	}
      if (!key->chain_id && keys[i].chain_id)
	{
	  fprintf (stderr, "Key unexpectedly carries no chain ID\n");
	  exit (1);
	}
      if (key->chain_id && strcmp (key->chain_id, keys[i].chain_id))
	{
	  fprintf (stderr, "Key carries unexpected chain ID: %s\n",
		   key->chain_id);
	  exit (1);
	}
      if (key->owner_trust != GPGME_VALIDITY_UNKNOWN)
	{
	  fprintf (stderr, "Key has unexpected owner trust: %i\n",
		   key->owner_trust);
	  exit (1);
	}
      if (!key->subkeys || key->subkeys->next)
	{
	  fprintf (stderr, "Key has unexpected number of subkeys\n");
	  exit (1);
	}

      /* Primary key.  */
      if (key->subkeys->revoked)
	{
	  fprintf (stderr, "Primary key unexpectedly revoked\n");
	  exit (1);
	}
      if (key->subkeys->expired)
	{
	  fprintf (stderr, "Primary key unexpectedly expired\n");
	  exit (1);
	}
      if (key->subkeys->disabled)
	{
	  fprintf (stderr, "Primary key unexpectedly disabled\n");
	  exit (1);
	}
      if (key->subkeys->invalid)
	{
	  fprintf (stderr, "Primary key unexpectedly invalid\n");
	  exit (1);
	}
      if (key->subkeys->can_encrypt != keys[i].secret)
	{
	  fprintf (stderr, "Key unexpectedly%s usable for encryption\n",
		   key->subkeys->can_encrypt ? "" : " not");
	  exit (1);
	}
      if (key->subkeys->can_sign != keys[i].secret)
	{
	  fprintf (stderr, "Key unexpectedly%s usable for signing\n",
		   key->subkeys->can_sign ? "" : " not");
	  exit (1);
	}
      if (!key->subkeys->can_certify)
	{
	  fprintf (stderr, "Primary key unexpectedly unusable for certifications\n");
	  exit (1);
	}
      if (key->subkeys->secret != keys[i].secret)
	{
	  fprintf (stderr, "Primary Key unexpectedly%s secret\n",
		   key->secret ? "" : " not");
	  exit (1);
	}
      if (key->subkeys->pubkey_algo != GPGME_PK_RSA)
	{
	  fprintf (stderr, "Primary key has unexpected public key algo: %s\n",
		   gpgme_pubkey_algo_name (key->subkeys->pubkey_algo));
	  exit (1);
	}
      if (key->subkeys->length != keys[i].key_length)
	{
	  fprintf (stderr, "Primary key has unexpected length: %i\n",
		   key->subkeys->length);
	  exit (1);
	}
      if (strcmp (key->subkeys->keyid, &keys[i].fpr[40 - 16]))
	{
	  fprintf (stderr, "Primary key has unexpected key ID: %s\n",
		   key->subkeys->keyid);
	  exit (1);
	}
      if (strcmp (key->subkeys->fpr, keys[i].fpr))
	{
	  fprintf (stderr, "Primary key has unexpected fingerprint: %s\n",
		   key->subkeys->fpr);
	  exit (1);
	}
      if (key->subkeys->timestamp != keys[i].timestamp)
	{
	  fprintf (stderr, "Primary key unexpected timestamp: %lu\n",
		   key->subkeys->timestamp);
	  exit (1);
	}
      if (key->subkeys->expires != keys[i].expires)
	{
	  fprintf (stderr, "Primary key unexpectedly expires: %lu\n",
		   key->subkeys->expires);
	  exit (1);
	}

      /* Be tolerant against a missing email (ie, older gpgsm versions).  */
      if (!key->uids || (key->uids->next && !keys[i].email))
	{
	  fprintf (stderr, "Key has unexpected number of user IDs\n");
	  exit (1);
	}
      if (key->uids->revoked)
	{
	  fprintf (stderr, "User ID unexpectedly revoked\n");
	  exit (1);
	}
      if (key->uids->invalid)
	{
	  fprintf (stderr, "User ID unexpectedly invalid\n");
	  exit (1);
	}
      if (key->uids->validity != keys[i].validity)
	{
	  fprintf (stderr, "User ID unexpectedly validity: %i\n",
		   key->uids->validity);
	  exit (1);
	}
      if (key->uids->signatures)
	{
	  fprintf (stderr, "User ID unexpectedly signed\n");
	  exit (1);
	}
      if (!key->uids->name || key->uids->name[0])
	{
	  fprintf (stderr, "Unexpected name in user ID: %s\n",
		   key->uids->name);
	  exit (1);
	}
      if (!key->uids->comment || key->uids->comment[0])
	{
	  fprintf (stderr, "Unexpected comment in user ID: %s\n",
		   key->uids->comment);
	  exit (1);
	}
      if (!key->uids->email || key->uids->email[0])
	{
	  fprintf (stderr, "Unexpected email in user ID: %s\n",
		   key->uids->email);
	  exit (1);
	}
      if (!key->uids->uid || strcmp (key->uids->uid, keys[i].uid))
	{
	  fprintf (stderr, "Unexpected uid in user ID: %s\n",
		   key->uids->uid);
	  exit (1);
	}
      if (key->uids->next && strcmp (key->uids->next->uid, keys[i].email))
	{
	  fprintf (stderr, "Unexpected email in user ID: %s\n",
		   key->uids->next->uid);
	  exit (1);
	}
      if (key->uids->next && strcmp (key->uids->next->uid, keys[i].email))
	{
	  fprintf (stderr, "Unexpected email in user ID: %s\n",
		   key->uids->next->uid);
	  exit (1);
	}



      gpgme_key_unref (key);
      i++;
    }
  if (gpg_err_code (err) != GPG_ERR_EOF)
    fail_if_err (err);
  err = gpgme_op_keylist_end (ctx);
  fail_if_err (err);

  result = gpgme_op_keylist_result (ctx);
  if (result->truncated)
    {
      fprintf (stderr, "Key listing unexpectedly truncated\n");
      exit (1);
    }

  if (keys[i].fpr)
    {
      fprintf (stderr, "Less keys returned than expected\n");
      exit (1);
    }

  gpgme_release (ctx);
  return 0;
}
Ejemplo n.º 9
0
/** \brief Initialise GpgME
 *
 * \param get_passphrase Callback function to read a passphrase from the
 *        user.  Note that this function is used \em only for OpenPGP and
 *        \em only if no GPG Agent is running and can therefore usually be
 *        NULL.  The first (HOOK) argument the passed function accepts
 *        shall be the parent GtkWindow.
 * \param select_key Callback function to let the user select a key from a
 *        list if more than one is available.
 * \param accept_low_trust Callback function to ask the user whether a low
 *	  trust key shall be accepted.
 *
 * Initialise the GpgME backend and remember the callback functions.
 *
 * \note This function \em must be called before using any other function
 *       from this module.
 */
void
libbalsa_gpgme_init(gpgme_passphrase_cb_t get_passphrase,
		    lbgpgme_select_key_cb select_key,
		    lbgpgme_accept_low_trust_cb accept_low_trust)
{
    gpgme_engine_info_t e;
    const gchar *agent_info;

    /* initialise the gpgme library */
    g_message("init gpgme version %s", gpgme_check_version(NULL));

#ifdef HAVE_GPG
    /* configure the GnuPG engine if a specific gpg path has been
     * detected */
    gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP, GPG_PATH, NULL);
#endif

#ifdef ENABLE_NLS
    gpgme_set_locale(NULL, LC_CTYPE, get_utf8_locale(LC_CTYPE));
    gpgme_set_locale(NULL, LC_MESSAGES, get_utf8_locale(LC_MESSAGES));
#endif				/* ENABLE_NLS */

    /* dump the available engines */
    if (gpgme_get_engine_info(&e) == GPG_ERR_NO_ERROR) {
	while (e) {
	    g_message("protocol %s: engine %s (home %s, version %s)",
		      gpgme_get_protocol_name(e->protocol),
		      e->file_name, e->home_dir, e->version);
	    e = e->next;
	}
    }

    /* check for gpg-agent */
    agent_info = g_getenv("GPG_AGENT_INFO");
    if (agent_info) {
	g_message("gpg-agent found: %s", agent_info);
	gpgme_passphrase_cb = NULL;
    } else {
	gpgme_passphrase_cb = get_passphrase;
    }

    /* verify that the engines we need are there */
    if (gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP) ==
	GPG_ERR_NO_ERROR) {
	g_message("OpenPGP protocol supported");
	has_proto_openpgp = TRUE;
    } else {
	g_warning
	    ("OpenPGP protocol not supported, basic crypto will not work!");
	has_proto_openpgp = FALSE;
    }

#ifdef HAVE_SMIME
    if (gpgme_engine_check_version(GPGME_PROTOCOL_CMS) ==
	GPG_ERR_NO_ERROR) {
	g_message("CMS (aka S/MIME) protocol supported");
	has_proto_cms = TRUE;
    } else {
	g_warning("CMS protocol not supported, S/MIME will not work!");
	has_proto_cms = FALSE;
    }
#else
    g_message("built without CMS (aka S/MIME) protocol support");
    has_proto_cms = FALSE;
#endif

    /* remember callbacks */
    select_key = select_key_cb;
    accept_low_trust = accept_low_trust_cb;
}
Ejemplo n.º 10
0
int main()
{
   int fd;

   gpgme_ctx_t g_context;
   gpgme_engine_info_t enginfo;
   gpgme_data_t data;

   gpgme_error_t gerr;
   gpg_err_code_t gpg_err;

   gpgme_data_t g_plain;
   gpgme_data_t g_plain_recv;
   gpgme_data_t g_encrypt;
   gpgme_data_t g_encrypt_send;

   gpgme_key_t g_recipient[MAX_RCP+1];
   char *p;
   char b_encrypt[BIGBUF+1];

   char msg[EOF_L_MESSAGE];
   char msg_in[EOF_L_MESSAGE];

   int i, tmp;

   for(i=0;i<EOF_L_MESSAGE; i++) msg_in[i] = 0;
   for(i=0;i<EOF_L_MESSAGE; i++) msg[i] = 0;
   for(i=0;i<=BIGBUF; i++) b_encrypt[i] = 0;

   gpgme_check_version(NULL);

   gerr = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
   if(gerr != GPG_ERR_NO_ERROR) return 10;

   p = (char *) gpgme_get_protocol_name(GPGME_PROTOCOL_OpenPGP);
   printf("Version: %s\n",p);

   gerr = gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP, NULL, home);

   if(gerr == GPG_ERR_NO_ERROR) {
      printf("gpgme_set_engine_info: ok\n");
   } else {
      printf("gpgme_set_engine_info: err\n");
   }

   /* get engine information */
   gerr = gpgme_get_engine_info(&enginfo);
   if(gerr != GPG_ERR_NO_ERROR) return 3;

   printf("file=%s, home=%s\n",enginfo->file_name,enginfo->home_dir);

   /* create our own context */
   gerr = gpgme_new(&g_context);
   if(gerr != GPG_ERR_NO_ERROR) return 1;

   /* FIXME: both needed? */
   /* FIXME: why is the path (FILE_NAME) needed? */
   /* FIXME: /usr/bin/gpg must be changed to ~/.ceof/gpg/binary or similar */
   gerr = gpgme_ctx_set_engine_info (g_context, GPGME_PROTOCOL_OpenPGP,
               "/usr/bin/gpg",home);
   if(gerr != GPG_ERR_NO_ERROR) return 4;

   /* do not ascii armor data; use 1 for testing */
   //gpgme_set_armor(g_context, 0);
   gpgme_set_armor(g_context, 1);

   /* create buffers */
   gerr = gpgme_data_new(&data);
   if(gerr != GPG_ERR_NO_ERROR) return 12;

   gerr = gpgme_data_new(&g_plain_recv);
   if(gerr != GPG_ERR_NO_ERROR) return 20;

   gerr = gpgme_data_new(&g_encrypt);
   if(gerr != GPG_ERR_NO_ERROR) return 14;

   gerr = gpgme_data_new(&g_encrypt_send);
   if(gerr != GPG_ERR_NO_ERROR) return 24;

   /* fill buffers */
   /* gerr = gpgme_data_new(&g_plain);
   if(gerr != GPG_ERR_NO_ERROR) return 13;

   printf("strlen(%s) = %d\n",msg,i);
   i -= gpgme_data_write(g_plain, msg, i);
   if(i) {
      printf("size mismatch\n");
      return 12;
   } */
   strncpy(msg, "==> Erste Nachricht\n\n", EOF_L_MESSAGE);
   i = strlen(msg);
   gerr = gpgme_data_new_from_mem (&g_plain, msg, i, 0);


   /* setup recipient */
   gerr = gpgme_op_keylist_start(g_context, "nico schottelius", 0);
   if(gerr != GPG_ERR_NO_ERROR) return 11;

   i=0;
   gerr = gpgme_op_keylist_next(g_context, &g_recipient[0]);
   while((gpg_err = gpg_err_code(gerr)) != GPG_ERR_EOF) {
      /* for testing: one call of gpgme_op_keylist_next is enough */
      break;
      if(gerr == GPG_ERR_INV_VALUE) {
         printf("invalid pointer\n");
         return 15;
      } else if(gerr == GPG_ERR_ENOMEM) {
         printf("no mem\n");
         return 16;
      }

      printf ("%s: %s <%s> (%d)\n", g_recipient[0]->subkeys->keyid, g_recipient[0]->uids->name, g_recipient[0]->uids->email, i);
      i++;

      /* FIXME: this resets the good filled buffer ... */
      gerr = gpgme_op_keylist_next(g_context, &g_recipient[0]);
   }
   g_recipient[1] = NULL;

   /* all above seems to be wrong ... */
   gerr = gpgme_get_key(g_context,"775506B45998BF57D0D4AFF27C6E747C38616ADC", &g_recipient[0], 0);
   if(gerr != GPG_ERR_NO_ERROR) return 32;


   /* en/decrypt message */
   //gerr = gpgme_op_encrypt_sign(g_context, g_recipient, 0, g_plain, g_encrypt);
   gerr = gpgme_op_encrypt(g_context, g_recipient, 0, g_plain, g_encrypt);
   if(gerr != GPG_ERR_NO_ERROR) {
      printf("gerr=%d\n",gerr);
      return 18;
   }

   /* transfer the data into our own buffer,
    * so the data is saved; you cannot
    * reuse the gpgme buffers directly as in
    *    gerr = gpgme_op_decrypt(g_context, g_encrypt, g_plain_recv);
    *
    */
   i = gpgme_data_seek(g_encrypt, 0, SEEK_END);

   if(i > BIGBUF) return 22;
   printf("buflen: %d\n",i);
   
   /* reset to the beginning */
   gpgme_data_seek(g_encrypt, 0, SEEK_SET);

   if(gpgme_data_read(g_encrypt, b_encrypt, i) == -1) {
      perror("pgme_data_read");
      return 23;
   }
   printf("crypt:\n%s\n", b_encrypt);
   fd = open("testcrypt",O_RDWR|O_CREAT);
   if(fd == -1) return 40;
   if(write_all(fd, b_encrypt, BIGBUF) <= 0) return 41;
   close(fd);

   /* until here it works, testcrypt contains
    * data and can be decrypted ...
    *
    * perhaps the context needs some reset?
    */

   if((tmp = gpgme_data_write(g_encrypt_send, b_encrypt, i)) == -1) {
      perror("pgme_data_write");
      return 23;
   }
   printf("crypt-wrote:%d\n", tmp);

   /* look for contexts */

   gerr = gpgme_op_decrypt(g_context, g_encrypt_send, g_plain_recv);
   if(gerr != GPG_ERR_NO_ERROR) {
      printf("gerr=%d\n",gerr);
      return 19;
   }

   /* open communication channel: netcat */

   /* listen for input from:
    * stdin
    * communication channel
    */

   /* de/encode data from comm channel */

   return 1;
}
Ejemplo n.º 11
0
GPGME_Error GPGME::init(const QString & gpgHomeDir)
{
    if (instancesStore.contains(gpgHomeDir)) {
        return GPG_ERR_NO_ERROR;
    }

    setlocale(LC_ALL, "");
    gpgme_check_version(NULL);
    gpgme_set_locale(NULL, LC_CTYPE, setlocale (LC_CTYPE, NULL));
#ifdef LC_MESSAGES
    gpgme_set_locale (NULL, LC_MESSAGES, setlocale (LC_MESSAGES, NULL));
#endif

    gpgme_error_t err;
    gpgme_ctx_t context;

    err = gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP);
    if (err != GPG_ERR_NO_ERROR) {
        return err;
    }

    QString protocolName =  gpgme_get_protocol_name(GPGME_PROTOCOL_OpenPGP);
    qDebug() << "protocol: " << protocolName;

    gpgme_engine_info_t engineInfo;
    err = gpgme_get_engine_info(&engineInfo);
    if (err != GPG_ERR_NO_ERROR) {
        return err;
    }
    qDebug() << "Backend info";
    qDebug() << "filename: " << engineInfo->file_name << ", homedir: " << engineInfo->home_dir;

    err = gpgme_new(&context);
    if (err != GPG_ERR_NO_ERROR) {
        return err;
    }

    err = gpgme_set_protocol(context, GPGME_PROTOCOL_OpenPGP);
    if (err != GPG_ERR_NO_ERROR) {
        return err;
    }

    // we don't need to set gnupg home dir explicitly
    QString gnupgHome;
    if (gpgHomeDir.isEmpty()) {
        // i.e. use default gnupg directory or one from environment
        QString gnupgHomeEnv = QString::fromLatin1(qgetenv("GNUPGHOME"));
        if (!gnupgHomeEnv.isEmpty()) {
            gnupgHome = gnupgHomeEnv;
        } else {
            // use default path: "~/.gnupg"
            QDir gh = QDir::home();
            gh.cd(".gnupg");
            gnupgHome = gh.canonicalPath();
        }
    } else {
        QDir gh(gpgHomeDir);
        gnupgHome = gh.canonicalPath();
    }
    qDebug() << "GNUPGHOME" << gnupgHome;
    
    err = gpgme_ctx_set_engine_info(context, GPGME_PROTOCOL_OpenPGP, 
            engineInfo->file_name,
            gnupgHome.toLatin1().data()
            );
    if (err != GPG_ERR_NO_ERROR) {
        return err;
    }

    GPGME * inst = new GPGME(context, gnupgHome);
    instancesStore[gpgHomeDir] = inst;
    qDebug() << "gpgme initalized for the directory " << gnupgHome << "[store key: " << gpgHomeDir << "]";

    return GPG_ERR_NO_ERROR;
}