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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* The following is the mozilla license blurb, as the bodies some of
   these functions were derived from the mozilla source. */
/* e-cert-db.c
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape security libraries.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1994-2000
 * the Initial Developer. All Rights Reserved.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */

/*
 * Author: Chris Toshok (toshok@ximian.com)
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>

#include <camel/camel.h>        /* FIXME: this is where camel_init is defined; it shouldn't include everything else */

/* private NSS defines used by PSM */
/* (must be declated before cert.h) */
#define CERT_NewTempCertificate __CERT_NewTempCertificate
#define CERT_AddTempCertToPerm __CERT_AddTempCertToPerm

#include "e-cert-db.h"
#include "e-cert-trust.h"
#include "e-pkcs12.h"

#include "gmodule.h"

#include "nss.h"
#include "ssl.h"
#include "p12plcy.h"
#include "pk11func.h"
#include "nssckbi.h"
#include <secerr.h>
#include "secmod.h"
#include "certdb.h"
#include "plstr.h"
#include "prprf.h"
#include "prmem.h"
#include "e-util/e-util.h"
#include "e-util/e-util-private.h"
#include <libedataserverui/e-passwords.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

enum {
    PK11_PASSWD,
    PK11_CHANGE_PASSWD,
    CONFIRM_CA_CERT_IMPORT,
    LAST_SIGNAL
};

static guint e_cert_db_signals[LAST_SIGNAL];

struct _ECertDBPrivate {
    guint reserved;
};

#define PARENT_TYPE G_TYPE_OBJECT
static GObjectClass *parent_class;

GQuark
e_certdb_error_quark (void)
{
    static GQuark q = 0;
    if (q == 0)
        q = g_quark_from_static_string ("e-certdb-error-quark");

    return q;
}

static const gchar *
nss_error_to_string (glong errorcode)
{
#define cs(a,b) case a: return b;

    switch (errorcode) {
    cs (SEC_ERROR_IO, "An I/O error occurred during security authorization.")
    cs (SEC_ERROR_LIBRARY_FAILURE, "security library failure.")
    cs (SEC_ERROR_BAD_DATA, "security library: received bad data.")
    cs (SEC_ERROR_OUTPUT_LEN, "security library: output length error.")
    cs (SEC_ERROR_INPUT_LEN, "security library has experienced an input length error.")
    cs (SEC_ERROR_INVALID_ARGS, "security library: invalid arguments.")
    cs (SEC_ERROR_INVALID_ALGORITHM, "security library: invalid algorithm.")
    cs (SEC_ERROR_INVALID_AVA, "security library: invalid AVA.")
    cs (SEC_ERROR_INVALID_TIME, "Improperly formatted time string.")
    cs (SEC_ERROR_BAD_DER, "security library: improperly formatted DER-encoded message.")
    cs (SEC_ERROR_BAD_SIGNATURE, "Peer's certificate has an invalid signature.")
    cs (SEC_ERROR_EXPIRED_CERTIFICATE, "Peer's Certificate has expired.")
    cs (SEC_ERROR_REVOKED_CERTIFICATE, "Peer's Certificate has been revoked.")
    cs (SEC_ERROR_UNKNOWN_ISSUER, "Peer's Certificate issuer is not recognized.")
    cs (SEC_ERROR_BAD_KEY, "Peer's public key is invalid.")
    cs (SEC_ERROR_BAD_PASSWORD, "The security password entered is incorrect.")
    cs (SEC_ERROR_RETRY_PASSWORD, "New password entered incorrectly.  Please try again.")
    cs (SEC_ERROR_NO_NODELOCK, "security library: no nodelock.")
    cs (SEC_ERROR_BAD_DATABASE, "security library: bad database.")
    cs (SEC_ERROR_NO_MEMORY, "security library: memory allocation failure.")
    cs (SEC_ERROR_UNTRUSTED_ISSUER, "Peer's certificate issuer has been marked as not trusted by the user.")
    cs (SEC_ERROR_UNTRUSTED_CERT, "Peer's certificate has been marked as not trusted by the user.")
    cs (SEC_ERROR_DUPLICATE_CERT, "Certificate already exists in your database.")
    cs (SEC_ERROR_DUPLICATE_CERT_NAME, "Downloaded certificate's name duplicates one already in your database.")
    cs (SEC_ERROR_ADDING_CERT, "Error adding certificate to database.")
    cs (SEC_ERROR_FILING_KEY, "Error refiling the key for this certificate.")
    cs (SEC_ERROR_NO_KEY, "The private key for this certificate cannot be found in key database")
    cs (SEC_ERROR_CERT_VALID, "This certificate is valid.")
    cs (SEC_ERROR_CERT_NOT_VALID, "This certificate is not valid.")
    cs (SEC_ERROR_CERT_NO_RESPONSE, "Cert Library: No Response")
    cs (SEC_ERROR_EXPIRED_ISSUER_CERTIFICATE, "The certificate issuer's certificate has expired.  Check your system date and time.")
    cs (SEC_ERROR_CRL_EXPIRED, "The CRL for the certificate's issuer has expired.  Update it or check your system date and time.")
    cs (SEC_ERROR_CRL_BAD_SIGNATURE, "The CRL for the certificate's issuer has an invalid signature.")
    cs (SEC_ERROR_CRL_INVALID, "New CRL has an invalid format.")
    cs (SEC_ERROR_EXTENSION_VALUE_INVALID, "Certificate extension value is invalid.")
    cs (SEC_ERROR_EXTENSION_NOT_FOUND, "Certificate extension not found.")
    cs (SEC_ERROR_CA_CERT_INVALID, "Issuer certificate is invalid.")
    cs (SEC_ERROR_PATH_LEN_CONSTRAINT_INVALID, "Certificate path length constraint is invalid.")
    cs (SEC_ERROR_CERT_USAGES_INVALID, "Certificate usages field is invalid.")
    cs (SEC_INTERNAL_ONLY, "**Internal ONLY module**")
    cs (SEC_ERROR_INVALID_KEY, "The key does not support the requested operation.")
    cs (SEC_ERROR_UNKNOWN_CRITICAL_EXTENSION, "Certificate contains unknown critical extension.")
    cs (SEC_ERROR_OLD_CRL, "New CRL is not later than the current one.")
    cs (SEC_ERROR_NO_EMAIL_CERT, "Not encrypted or signed: you do not yet have an email certificate.")
    cs (SEC_ERROR_NO_RECIPIENT_CERTS_QUERY, "Not encrypted: you do not have certificates for each of the recipients.")
    cs (SEC_ERROR_NOT_A_RECIPIENT, "Cannot decrypt: you are not a recipient, or matching certificate and private key not found.")
    cs (SEC_ERROR_PKCS7_KEYALG_MISMATCH, "Cannot decrypt: key encryption algorithm does not match your certificate.")
    cs (SEC_ERROR_PKCS7_BAD_SIGNATURE, "Signature verification failed: no signer found, too many signers found, or improper or corrupted data.")
    cs (SEC_ERROR_UNSUPPORTED_KEYALG, "Unsupported or unknown key algorithm.")
    cs (SEC_ERROR_DECRYPTION_DISALLOWED, "Cannot decrypt: encrypted using a disallowed algorithm or key size.")
    cs (XP_SEC_FORTEZZA_BAD_CARD, "Fortezza card has not been properly initialized.  Please remove it and return it to your issuer.")
    cs (XP_SEC_FORTEZZA_NO_CARD, "No Fortezza cards Found")
    cs (XP_SEC_FORTEZZA_NONE_SELECTED, "No Fortezza card selected")
    cs (XP_SEC_FORTEZZA_MORE_INFO, "Please select a personality to get more info on")
    cs (XP_SEC_FORTEZZA_PERSON_NOT_FOUND, "Personality not found")
    cs (XP_SEC_FORTEZZA_NO_MORE_INFO, "No more information on that Personality")
    cs (XP_SEC_FORTEZZA_BAD_PIN, "Invalid Pin")
    cs (XP_SEC_FORTEZZA_PERSON_ERROR, "Couldn't initialize Fortezza personalities.")
    cs (SEC_ERROR_NO_KRL, "No KRL for this site's certificate has been found.")
    cs (SEC_ERROR_KRL_EXPIRED, "The KRL for this site's certificate has expired.")
    cs (SEC_ERROR_KRL_BAD_SIGNATURE, "The KRL for this site's certificate has an invalid signature.")
    cs (SEC_ERROR_REVOKED_KEY, "The key for this site's certificate has been revoked.")
    cs (SEC_ERROR_KRL_INVALID, "New KRL has an invalid format.")
    cs (SEC_ERROR_NEED_RANDOM, "security library: need random data.")
    cs (SEC_ERROR_NO_MODULE, "security library: no security module can perform the requested operation.")
    cs (SEC_ERROR_NO_TOKEN, "The security card or token does not exist, needs to be initialized, or has been removed.")
    cs (SEC_ERROR_READ_ONLY, "security library: read-only database.")
    cs (SEC_ERROR_NO_SLOT_SELECTED, "No slot or token was selected.")
    cs (SEC_ERROR_CERT_NICKNAME_COLLISION, "A certificate with the same nickname already exists.")
    cs (SEC_ERROR_KEY_NICKNAME_COLLISION, "A key with the same nickname already exists.")
    cs (SEC_ERROR_SAFE_NOT_CREATED, "error while creating safe object")
    cs (SEC_ERROR_BAGGAGE_NOT_CREATED, "error while creating baggage object")
    cs (XP_JAVA_REMOVE_PRINCIPAL_ERROR, "Couldn't remove the principal")
    cs (XP_JAVA_DELETE_PRIVILEGE_ERROR, "Couldn't delete the privilege")
    cs (XP_JAVA_CERT_NOT_EXISTS_ERROR, "This principal doesn't have a certificate")
    cs (SEC_ERROR_BAD_EXPORT_ALGORITHM, "Required algorithm is not allowed.")
    cs (SEC_ERROR_EXPORTING_CERTIFICATES, "Error attempting to export certificates.")
    cs (SEC_ERROR_IMPORTING_CERTIFICATES, "Error attempting to import certificates.")
    cs (SEC_ERROR_PKCS12_DECODING_PFX, "Unable to import.  Decoding error.  File not valid.")
    cs (SEC_ERROR_PKCS12_INVALID_MAC, "Unable to import.  Invalid MAC.  Incorrect password or corrupt file.")
    cs (SEC_ERROR_PKCS12_UNSUPPORTED_MAC_ALGORITHM, "Unable to import.  MAC algorithm not supported.")
    cs (SEC_ERROR_PKCS12_UNSUPPORTED_TRANSPORT_MODE, "Unable to import.  Only password integrity and privacy modes supported.")
    cs (SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE, "Unable to import.  File structure is corrupt.")
    cs (SEC_ERROR_PKCS12_UNSUPPORTED_PBE_ALGORITHM, "Unable to import.  Encryption algorithm not supported.")
    cs (SEC_ERROR_PKCS12_UNSUPPORTED_VERSION, "Unable to import.  File version not supported.")
    cs (SEC_ERROR_PKCS12_PRIVACY_PASSWORD_INCORRECT, "Unable to import.  Incorrect privacy password.")
    cs (SEC_ERROR_PKCS12_CERT_COLLISION, "Unable to import.  Same nickname already exists in database.")
    cs (SEC_ERROR_USER_CANCELLED, "The user pressed cancel.")
    cs (SEC_ERROR_PKCS12_DUPLICATE_DATA, "Not imported, already in database.")
    cs (SEC_ERROR_MESSAGE_SEND_ABORTED, "Message not sent.")
    cs (SEC_ERROR_INADEQUATE_KEY_USAGE, "Certificate key usage inadequate for attempted operation.")
    cs (SEC_ERROR_INADEQUATE_CERT_TYPE, "Certificate type not approved for application.")
    cs (SEC_ERROR_CERT_ADDR_MISMATCH, "Address in signing certificate does not match address in message headers.")
    cs (SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY, "Unable to import.  Error attempting to import private key.")
    cs (SEC_ERROR_PKCS12_IMPORTING_CERT_CHAIN, "Unable to import.  Error attempting to import certificate chain.")
    cs (SEC_ERROR_PKCS12_UNABLE_TO_LOCATE_OBJECT_BY_NAME, "Unable to export.  Unable to locate certificate or key by nickname.")
    cs (SEC_ERROR_PKCS12_UNABLE_TO_EXPORT_KEY, "Unable to export.  Private Key could not be located and exported.")
    cs (SEC_ERROR_PKCS12_UNABLE_TO_WRITE, "Unable to export.  Unable to write the export file.")
    cs (SEC_ERROR_PKCS12_UNABLE_TO_READ, "Unable to import.  Unable to read the import file.")
    cs (SEC_ERROR_PKCS12_KEY_DATABASE_NOT_INITIALIZED, "Unable to export.  Key database corrupt or deleted.")
    cs (SEC_ERROR_KEYGEN_FAIL, "Unable to generate public/private key pair.")
    cs (SEC_ERROR_INVALID_PASSWORD, "Password entered is invalid.  Please pick a different one.")
    cs (SEC_ERROR_RETRY_OLD_PASSWORD, "Old password entered incorrectly.  Please try again.")
    cs (SEC_ERROR_BAD_NICKNAME, "Certificate nickname already in use.")
    cs (SEC_ERROR_NOT_FORTEZZA_ISSUER, "Peer FORTEZZA chain has a non-FORTEZZA Certificate.")
    cs (SEC_ERROR_CANNOT_MOVE_SENSITIVE_KEY, "A sensitive key cannot be moved to the slot where it is needed.")
    cs (SEC_ERROR_JS_INVALID_MODULE_NAME, "Invalid module name.")
    cs (SEC_ERROR_JS_INVALID_DLL, "Invalid module path/filename")
    cs (SEC_ERROR_JS_ADD_MOD_FAILURE, "Unable to add module")
    cs (SEC_ERROR_JS_DEL_MOD_FAILURE, "Unable to delete module")
    cs (SEC_ERROR_OLD_KRL, "New KRL is not later than the current one.")
    cs (SEC_ERROR_CKL_CONFLICT, "New CKL has different issuer than current CKL.  Delete current CKL.")
    cs (SEC_ERROR_CERT_NOT_IN_NAME_SPACE, "The Certifying Authority for this certificate is not permitted to issue a certificate with this name.")
    cs (SEC_ERROR_KRL_NOT_YET_VALID, "The key revocation list for this certificate is not yet valid.")
    cs (SEC_ERROR_CRL_NOT_YET_VALID, "The certificate revocation list for this certificate is not yet valid.")
    cs (SEC_ERROR_UNKNOWN_CERT, "The requested certificate could not be found.")
    cs (SEC_ERROR_UNKNOWN_SIGNER, "The signer's certificate could not be found.")
    cs (SEC_ERROR_CERT_BAD_ACCESS_LOCATION,  "The location for the certificate status server has invalid format.")
    cs (SEC_ERROR_OCSP_UNKNOWN_RESPONSE_TYPE, "The OCSP response cannot be fully decoded; it is of an unknown type.")
    cs (SEC_ERROR_OCSP_BAD_HTTP_RESPONSE, "The OCSP server returned unexpected/invalid HTTP data.")
    cs (SEC_ERROR_OCSP_MALFORMED_REQUEST, "The OCSP server found the request to be corrupted or improperly formed.")
    cs (SEC_ERROR_OCSP_SERVER_ERROR, "The OCSP server experienced an internal error.")
    cs (SEC_ERROR_OCSP_TRY_SERVER_LATER, "The OCSP server suggests trying again later.")
    cs (SEC_ERROR_OCSP_REQUEST_NEEDS_SIG, "The OCSP server requires a signature on this request.")
    cs (SEC_ERROR_OCSP_UNAUTHORIZED_REQUEST, "The OCSP server has refused this request as unauthorized.")
    cs (SEC_ERROR_OCSP_UNKNOWN_RESPONSE_STATUS, "The OCSP server returned an unrecognizable status.")
    cs (SEC_ERROR_OCSP_UNKNOWN_CERT, "The OCSP server has no status for the certificate.")
    cs (SEC_ERROR_OCSP_NOT_ENABLED, "You must enable OCSP before performing this operation.")
    cs (SEC_ERROR_OCSP_NO_DEFAULT_RESPONDER, "You must set the OCSP default responder before performing this operation.")
    cs (SEC_ERROR_OCSP_MALFORMED_RESPONSE, "The response from the OCSP server was corrupted or improperly formed.")
    cs (SEC_ERROR_OCSP_UNAUTHORIZED_RESPONSE, "The signer of the OCSP response is not authorized to give status for this certificate.")
    cs (SEC_ERROR_OCSP_FUTURE_RESPONSE, "The OCSP response is not yet valid (contains a date in the future).")
    cs (SEC_ERROR_OCSP_OLD_RESPONSE, "The OCSP response contains out-of-date information.")
    cs (SEC_ERROR_DIGEST_NOT_FOUND, "The CMS or PKCS #7 Digest was not found in signed message.")
    cs (SEC_ERROR_UNSUPPORTED_MESSAGE_TYPE, "The CMS or PKCS #7 Message type is unsupported.")
    cs (SEC_ERROR_MODULE_STUCK, "PKCS #11 module could not be removed because it is still in use.")
    cs (SEC_ERROR_BAD_TEMPLATE, "Could not decode ASN.1 data. Specified template was invalid.")
    cs (SEC_ERROR_CRL_NOT_FOUND, "No matching CRL was found.")
    cs (SEC_ERROR_REUSED_ISSUER_AND_SERIAL, "You are attempting to import a cert with the same issuer/serial as an existing cert, but that is not the same cert.")
    cs (SEC_ERROR_BUSY, "NSS could not shutdown. Objects are still in use.")
    cs (SEC_ERROR_EXTRA_INPUT, "DER-encoded message contained extra unused data.")
    cs (SEC_ERROR_UNSUPPORTED_ELLIPTIC_CURVE, "Unsupported elliptic curve.")
    cs (SEC_ERROR_UNSUPPORTED_EC_POINT_FORM, "Unsupported elliptic curve point form.")
    cs (SEC_ERROR_UNRECOGNIZED_OID, "Unrecognized Object Identifier.")
    cs (SEC_ERROR_OCSP_INVALID_SIGNING_CERT, "Invalid OCSP signing certificate in OCSP response.")
    cs (SEC_ERROR_REVOKED_CERTIFICATE_CRL, "Certificate is revoked in issuer's certificate revocation list.")
    cs (SEC_ERROR_REVOKED_CERTIFICATE_OCSP, "Issuer's OCSP responder reports certificate is revoked.")
    cs (SEC_ERROR_CRL_INVALID_VERSION, "Issuer's Certificate Revocation List has an unknown version number.")
    cs (SEC_ERROR_CRL_V1_CRITICAL_EXTENSION, "Issuer's V1 Certificate Revocation List has a critical extension.")
    cs (SEC_ERROR_CRL_UNKNOWN_CRITICAL_EXTENSION, "Issuer's V2 Certificate Revocation List has an unknown critical extension.")
    cs (SEC_ERROR_UNKNOWN_OBJECT_TYPE, "Unknown object type specified.")
    cs (SEC_ERROR_INCOMPATIBLE_PKCS11, "PKCS #11 driver violates the spec in an incompatible way.")
    cs (SEC_ERROR_NO_EVENT, "No new slot event is available at this time.")
    cs (SEC_ERROR_CRL_ALREADY_EXISTS, "CRL already exists.")
    cs (SEC_ERROR_NOT_INITIALIZED, "NSS is not initialized.")
    cs (SEC_ERROR_TOKEN_NOT_LOGGED_IN, "The operation failed because the PKCS#11 token is not logged in.")
    cs (SEC_ERROR_OCSP_RESPONDER_CERT_INVALID, "Configured OCSP responder's certificate is invalid.")
    cs (SEC_ERROR_OCSP_BAD_SIGNATURE, "OCSP response has an invalid signature.")

    #if defined (NSS_VMAJOR) && defined (NSS_VMINOR) && defined (NSS_VPATCH) && (NSS_VMAJOR > 3 || (NSS_VMAJOR == 3 && NSS_VMINOR > 12) || (NSS_VMAJOR == 3 && NSS_VMINOR == 12 && NSS_VPATCH >= 2))
    cs (SEC_ERROR_OUT_OF_SEARCH_LIMITS, "Cert validation search is out of search limits")
    cs (SEC_ERROR_INVALID_POLICY_MAPPING, "Policy mapping contains anypolicy")
    cs (SEC_ERROR_POLICY_VALIDATION_FAILED, "Cert chain fails policy validation")
    cs (SEC_ERROR_UNKNOWN_AIA_LOCATION_TYPE, "Unknown location type in cert AIA extension")
    cs (SEC_ERROR_BAD_HTTP_RESPONSE, "Server returned bad HTTP response")
    cs (SEC_ERROR_BAD_LDAP_RESPONSE, "Server returned bad LDAP response")
    cs (SEC_ERROR_FAILED_TO_ENCODE_DATA, "Failed to encode data with ASN1 encoder")
    cs (SEC_ERROR_BAD_INFO_ACCESS_LOCATION, "Bad information access location in cert extension")
    cs (SEC_ERROR_LIBPKIX_INTERNAL, "Libpkix internal error occured during cert validation.")
    cs (SEC_ERROR_PKCS11_GENERAL_ERROR, "A PKCS #11 module returned CKR_GENERAL_ERROR, indicating that an unrecoverable error has occurred.")
    cs (SEC_ERROR_PKCS11_FUNCTION_FAILED, "A PKCS #11 module returned CKR_FUNCTION_FAILED, indicating that the requested function could not be performed.  Trying the same operation again might succeed.")
    cs (SEC_ERROR_PKCS11_DEVICE_ERROR, "A PKCS #11 module returned CKR_DEVICE_ERROR, indicating that a problem has occurred with the token or slot.")
    #endif
    }

    #undef cs

    return NULL;
}

static void
set_nss_error (GError **error)
{
    glong err_code;
    const gchar *err_str;

    if (!error)
        return;

    g_return_if_fail (*error == NULL);

    err_code = PORT_GetError ();

    if (!err_code)
        return;

    err_str = nss_error_to_string (err_code);
    if (!err_str)
        return;

    *error = g_error_new_literal (E_CERTDB_ERROR, err_code, err_str);
}

static SECStatus PR_CALLBACK
collect_certs (gpointer arg, SECItem **certs, gint numcerts)
{
    CERTDERCerts *collectArgs;
    SECItem *cert;
    SECStatus rv;

    collectArgs = (CERTDERCerts *)arg;

    collectArgs->numcerts = numcerts;
    collectArgs->rawCerts = (SECItem *) PORT_ArenaZAlloc (
        collectArgs->arena, sizeof (SECItem) * numcerts);
    if (collectArgs->rawCerts == NULL)
        return (SECFailure);

    cert = collectArgs->rawCerts;

    while (numcerts--) {
        rv = SECITEM_CopyItem (collectArgs->arena, cert, *certs);
        if (rv == SECFailure)
            return (SECFailure);
        cert++;
        certs++;
    }

    return (SECSuccess);
}

static CERTDERCerts*
e_cert_db_get_certs_from_package (PRArenaPool *arena,
                  gchar *data,
                  guint32 length)
{
    /*nsNSSShutDownPreventionLock locker;*/
    CERTDERCerts *collectArgs =
        (CERTDERCerts *)PORT_ArenaZAlloc (arena, sizeof (CERTDERCerts));
    SECStatus sec_rv;

    if (!collectArgs)
        return NULL;

    collectArgs->arena = arena;
    sec_rv = CERT_DecodeCertPackage (data,
                    length, collect_certs,
                    (gpointer)collectArgs);

    if (sec_rv != SECSuccess)
        return NULL;

    return collectArgs;
}

static void
e_cert_db_dispose (GObject *object)
{
    ECertDB *ec = E_CERT_DB (object);

    if (!ec->priv)
        return;

    /* XXX free instance specific data */

    g_free (ec->priv);
    ec->priv = NULL;

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (parent_class)->dispose (object);
}

#ifdef notyet
PRBool
ucs2_ascii_conversion_fn (PRBool toUnicode,
              guchar *inBuf,
              guint inBufLen,
              guchar *outBuf,
              guint maxOutBufLen,
              guint *outBufLen,
              PRBool swapBytes)
{
    printf ("in ucs2_ascii_conversion_fn\n");
}
#endif

static gchar * PR_CALLBACK
pk11_password (PK11SlotInfo* slot, PRBool retry, gpointer  arg)
{
    gchar *pwd;
    gchar *nsspwd;

    gboolean rv = FALSE;

    g_signal_emit (e_cert_db_peek (),
               e_cert_db_signals[PK11_PASSWD], 0,
               slot,
               retry,
               &pwd,
               &rv);

    if (pwd == NULL)
        return NULL;

    nsspwd = PORT_Strdup (pwd);
    memset (pwd, 0, strlen (pwd));
    g_free (pwd);
    return nsspwd;
}

static void
initialize_nss (void)
{
    /* Use camel_init() to initialise NSS consistently... */
    camel_init (e_get_user_data_dir (), TRUE);

    /* ... except for the bits we only seem to do here. FIXME */
    PK11_SetPasswordFunc (pk11_password);

    /* Enable ciphers for PKCS#12 */
    SEC_PKCS12EnableCipher (PKCS12_RC4_40, 1);
    SEC_PKCS12EnableCipher (PKCS12_RC4_128, 1);
    SEC_PKCS12EnableCipher (PKCS12_RC2_CBC_40, 1);
    SEC_PKCS12EnableCipher (PKCS12_RC2_CBC_128, 1);
    SEC_PKCS12EnableCipher (PKCS12_DES_56, 1);
    SEC_PKCS12EnableCipher (PKCS12_DES_EDE3_168, 1);
    SEC_PKCS12SetPreferredCipher (PKCS12_DES_EDE3_168, 1);
#ifdef notyet
    PORT_SetUCS2_ASCIIConversionFunction (ucs2_ascii_conversion_fn);
#endif
}

static void
install_loadable_roots (void)
{
    SECMODModuleList *list = SECMOD_GetDefaultModuleList ();
    SECMODListLock *lock = SECMOD_GetDefaultModuleListLock ();
    SECMODModule *RootsModule = NULL;
    gint i;

    SECMOD_GetReadLock (lock);
    while (!RootsModule && list) {
        SECMODModule *module = list->module;

        for (i = 0; i < module->slotCount; i++) {
            PK11SlotInfo *slot = module->slots[i];
            if (PK11_IsPresent (slot)) {
                if (PK11_HasRootCerts (slot)) {
                    RootsModule = module;
                    break;
                }
            }
        }

        list = list->next;
    }
    SECMOD_ReleaseReadLock (lock);

    if (RootsModule) {
        /* Check version, and unload module if it is too old */
        CK_INFO info;

        if (PK11_GetModInfo (RootsModule, &info) != SECSuccess) {
            /* Do not use this module */
            RootsModule = NULL;
        } else {
            /* NSS_BUILTINS_LIBRARY_VERSION_MAJOR and NSS_BUILTINS_LIBRARY_VERSION_MINOR
             * define the version we expect to have.
             * Later version are fine.
             * Older versions are not ok, and we will replace with our own version.
             */
            if ((info.libraryVersion.major < NSS_BUILTINS_LIBRARY_VERSION_MAJOR)
                || (info.libraryVersion.major == NSS_BUILTINS_LIBRARY_VERSION_MAJOR
                && info.libraryVersion.minor < NSS_BUILTINS_LIBRARY_VERSION_MINOR)) {
                PRInt32 modType;

                SECMOD_DeleteModule (RootsModule->commonName, &modType);

                RootsModule = NULL;
            }
        }
    }

    if (!RootsModule) {
#ifndef G_OS_WIN32
        /* grovel in various places for mozilla's built-in
           cert module.

           XXX yes this is gross.  *sigh*
        */
        const gchar *paths_to_check[] = {
#ifdef MOZILLA_NSS_LIB_DIR
            MOZILLA_NSS_LIB_DIR,
#endif
            "/usr/lib",
            "/usr/lib/mozilla",
            "/opt/mozilla/lib",
            "/opt/mozilla/lib/mozilla"
        };

        for (i = 0; i < G_N_ELEMENTS (paths_to_check); i++) {
            gchar *dll_path = g_module_build_path (paths_to_check [i], "nssckbi");

            if (g_file_test (dll_path, G_FILE_TEST_EXISTS)) {
                PRInt32 modType;

                /* Delete the existing module */
                SECMOD_DeleteModule ("Mozilla Root Certs", &modType);

                SECMOD_AddNewModule("Mozilla Root Certs",dll_path, 0, 0);
                g_free (dll_path);
                break;
            }

            g_free (dll_path);
        }
#else
        /* FIXME: Might be useful to look up if there is a
         * Mozilla installation on the machine and use the
         * nssckbi.dll from there.
         */
#endif
    }
}

static void
e_cert_db_class_init (ECertDBClass *klass)
{
    GObjectClass *object_class;

    object_class = G_OBJECT_CLASS (klass);

    parent_class = g_type_class_ref (PARENT_TYPE);

    object_class->dispose = e_cert_db_dispose;

    initialize_nss ();
    /* check to see if you have a rootcert module installed */
    install_loadable_roots ();

    e_cert_db_signals[PK11_PASSWD] =
        g_signal_new ("pk11_passwd",
                  G_OBJECT_CLASS_TYPE (object_class),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (ECertDBClass, pk11_passwd),
                  NULL, NULL,
                  e_marshal_BOOLEAN__POINTER_BOOLEAN_POINTER,
                  G_TYPE_BOOLEAN, 3,
                  G_TYPE_POINTER, G_TYPE_BOOLEAN, G_TYPE_POINTER);

    e_cert_db_signals[PK11_CHANGE_PASSWD] =
        g_signal_new ("pk11_change_passwd",
                  G_OBJECT_CLASS_TYPE (object_class),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (ECertDBClass, pk11_change_passwd),
                  NULL, NULL,
                  e_marshal_BOOLEAN__POINTER_POINTER,
                  G_TYPE_BOOLEAN, 2,
                  G_TYPE_POINTER, G_TYPE_POINTER);

    e_cert_db_signals[CONFIRM_CA_CERT_IMPORT] =
        g_signal_new ("confirm_ca_cert_import",
                  G_OBJECT_CLASS_TYPE (object_class),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (ECertDBClass, confirm_ca_cert_import),
                  NULL, NULL,
                  e_marshal_BOOLEAN__POINTER_POINTER_POINTER_POINTER,
                  G_TYPE_BOOLEAN, 4,
                  G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER);
}

static void
e_cert_db_init (ECertDB *ec)
{
    ec->priv = g_new0 (ECertDBPrivate, 1);
}

GType
e_cert_db_get_type (void)
{
    static GType cert_type = 0;

    if (!cert_type) {
        static const GTypeInfo cert_info =  {
            sizeof (ECertDBClass),
            NULL,           /* base_init */
            NULL,           /* base_finalize */
            (GClassInitFunc) e_cert_db_class_init,
            NULL,           /* class_finalize */
            NULL,           /* class_data */
            sizeof (ECertDB),
            0,             /* n_preallocs */
            (GInstanceInitFunc) e_cert_db_init,
        };

        cert_type = g_type_register_static (PARENT_TYPE, "ECertDB", &cert_info, 0);
    }

    return cert_type;
}



GStaticMutex init_mutex = G_STATIC_MUTEX_INIT;
static ECertDB *cert_db = NULL;

ECertDB*
e_cert_db_peek (void)
{
    g_static_mutex_lock (&init_mutex);
    if (!cert_db)
        cert_db = g_object_new (E_TYPE_CERT_DB, NULL);
    g_static_mutex_unlock (&init_mutex);

    return cert_db;
}

void
e_cert_db_shutdown (void)
{
    /* XXX */
}

/* searching for certificates */
ECert*
e_cert_db_find_cert_by_nickname (ECertDB *certdb,
                 const gchar *nickname,
                 GError **error)
{
    /*  nsNSSShutDownPreventionLock locker;*/
    CERTCertificate *cert = NULL;

    /*PR_LOG(gPIPNSSLog, PR_LOG_DEBUG, ("Getting \"%s\"\n", asciiname));*/
    cert = PK11_FindCertFromNickname ((gchar *)nickname, NULL);
    if (!cert) {
        cert = CERT_FindCertByNickname (CERT_GetDefaultCertDB (), (gchar *)nickname);
    }

    if (cert) {
        /*    PR_LOG(gPIPNSSLog, PR_LOG_DEBUG, ("got it\n"));*/
        ECert *ecert = e_cert_new (cert);
        return ecert;
    }
    else {
        set_nss_error (error);
        return NULL;
    }
}

#ifdef notyet
ECert*
e_cert_db_find_cert_by_key (ECertDB *certdb,
                const gchar *db_key,
                GError **error)
{
    /*  nsNSSShutDownPreventionLock locker;*/
    SECItem keyItem = {siBuffer, NULL, 0};
    SECItem *dummy;
    CERTIssuerAndSN issuerSN;
    unsigned long moduleID,slotID;
    CERTCertificate *cert;

    if (!db_key) {
        set_nss_error (error);
        return NULL;
    }

    dummy = NSSBase64_DecodeBuffer (NULL, &keyItem, db_key,
                       (PRUint32)PL_strlen (db_key));

    /* someday maybe we can speed up the search using the moduleID and slotID*/
    moduleID = NS_NSS_GET_LONG (keyItem.data);
    slotID = NS_NSS_GET_LONG (&keyItem.data[NS_NSS_LONG]);

    /* build the issuer/SN structure*/
    issuerSN.serialNumber.len = NS_NSS_GET_LONG (&keyItem.data[NS_NSS_LONG*2]);
    issuerSN.derIssuer.len = NS_NSS_GET_LONG (&keyItem.data[NS_NSS_LONG*3]);
    issuerSN.serialNumber.data= &keyItem.data[NS_NSS_LONG*4];
    issuerSN.derIssuer.data= &keyItem.data[NS_NSS_LONG*4+
                           issuerSN.serialNumber.len];

    cert = CERT_FindCertByIssuerAndSN (CERT_GetDefaultCertDB (), &issuerSN);
    PR_FREEIF (keyItem.data);
    if (cert) {
        ECert *ecert = e_cert_new (cert);
        return e_cert;
    }

    set_nss_error (error);
    return NULL;
}

GList*
e_cert_db_get_cert_nicknames    (ECertDB *certdb,
                 ECertType cert_type,
                 GError **error)
{
}

ECert*
e_cert_db_find_email_encryption_cert (ECertDB *certdb,
                      const gchar *nickname,
                      GError **error)
{
}

ECert*
e_cert_db_find_email_signing_cert (ECertDB *certdb,
                   const gchar *nickname,
                   GError **error)
{
}
#endif

ECert*
e_cert_db_find_cert_by_email_address (ECertDB *certdb,
                      const gchar *email,
                      GError **error)
{
    /*  nsNSSShutDownPreventionLock locker; */
    ECert *cert;
    CERTCertificate *any_cert;
    CERTCertList *certlist;

    any_cert = CERT_FindCertByNicknameOrEmailAddr (
        CERT_GetDefaultCertDB (), (gchar *) email);

    if (!any_cert) {
        set_nss_error (error);
        return NULL;
    }

    /* any_cert now contains a cert with the right subject,
     * but it might not have the correct usage. */
    certlist = CERT_CreateSubjectCertList (NULL,
                          CERT_GetDefaultCertDB (),
                          &any_cert->derSubject,
                          PR_Now (), PR_TRUE);
    if (!certlist) {
        set_nss_error (error);
        CERT_DestroyCertificate (any_cert);
        return NULL;
    }

    if (SECSuccess != CERT_FilterCertListByUsage (
        certlist, certUsageEmailRecipient, PR_FALSE)) {
        set_nss_error (error);
        CERT_DestroyCertificate (any_cert);
        CERT_DestroyCertList (certlist);
        return NULL;
    }

    if (CERT_LIST_END (CERT_LIST_HEAD (certlist), certlist)) {
        set_nss_error (error);
        CERT_DestroyCertificate (any_cert);
        CERT_DestroyCertList (certlist);
        return NULL;
    }

    cert = e_cert_new (CERT_DupCertificate (CERT_LIST_HEAD (certlist)->cert));

    CERT_DestroyCertList (certlist);
    CERT_DestroyCertificate (any_cert);

    return cert;
}

static gboolean
confirm_download_ca_cert (ECertDB *cert_db,
                          ECert *cert,
                          gboolean *trust_ssl,
                          gboolean *trust_email,
                          gboolean *trust_objsign)
{
    gboolean rv = FALSE;

    *trust_ssl =
        *trust_email =
        *trust_objsign = FALSE;

    g_signal_emit (e_cert_db_peek (),
               e_cert_db_signals[CONFIRM_CA_CERT_IMPORT], 0,
               cert,
               trust_ssl,
               trust_email,
               trust_objsign,
               &rv);

    return rv;
}

static gboolean
handle_ca_cert_download (ECertDB *cert_db, GList *certs, GError **error)
{
    ECert *certToShow;
    SECItem der;
    gchar *raw_der = NULL;
    CERTCertificate *tmpCert;

    /* First thing we have to do is figure out which certificate
       we're gonna present to the user.  The CA may have sent down
       a list of certs which may or may not be a chained list of
       certs.  Until the day we can design some solid UI for the
       general case, we'll code to the > 90% case.  That case is
       where a CA sends down a list that is a chain up to its root
       in either ascending or descending order.  What we're gonna
       do is compare the first 2 entries, if the first was signed
       by the second, we assume the leaf cert is the first cert
       and display it.  If the second cert was signed by the first
       cert, then we assume the first cert is the root and the
       last cert in the array is the leaf.  In this case we
       display the last cert.
    */

    /*  nsNSSShutDownPreventionLock locker;*/

    if (certs == NULL) {
        g_warning ("Didn't get any certs to import.");
        return TRUE;
    }
    else if (certs->next == NULL) {
        /* there's 1 cert */
        certToShow = E_CERT (certs->data);
    }
    else {
        /* there are multiple certs */
        ECert *cert0;
        ECert *cert1;
        const gchar * cert0SubjectName;
        const gchar * cert0IssuerName;
        const gchar * cert1SubjectName;
        const gchar * cert1IssuerName;

        cert0 = E_CERT (certs->data);
        cert1 = E_CERT (certs->next->data);

        cert0IssuerName = e_cert_get_issuer_name (cert0);
        cert0SubjectName = e_cert_get_subject_name (cert0);

        cert1IssuerName = e_cert_get_issuer_name (cert1);
        cert1SubjectName = e_cert_get_subject_name (cert1);

        if (!strcmp (cert1IssuerName, cert0SubjectName)) {
            /* In this case, the first cert in the list signed the second,
               so the first cert is the root.  Let's display the last cert
               in the list. */
            certToShow = E_CERT (g_list_last (certs)->data);
        }
        else if (!strcmp (cert0IssuerName, cert1SubjectName)) {
            /* In this case the second cert has signed the first cert.  The
               first cert is the leaf, so let's display it. */
            certToShow = cert0;
        } else {
            /* It's not a chain, so let's just show the first one in the
               downloaded list. */
            certToShow = cert0;
        }
    }

    if (!certToShow) {
        set_nss_error (error);
        return FALSE;
    }

    if (!e_cert_get_raw_der (certToShow, &raw_der, &der.len)) {
        set_nss_error (error);
        return FALSE;
    }

    der.data = (guchar *)raw_der;

    {
        /*PR_LOG(gPIPNSSLog, PR_LOG_DEBUG, ("Creating temp cert\n"));*/
        CERTCertDBHandle *certdb = CERT_GetDefaultCertDB ();
        tmpCert = CERT_FindCertByDERCert (certdb, &der);
        if (!tmpCert) {
            tmpCert = CERT_NewTempCertificate (certdb, &der,
                              NULL, PR_FALSE, PR_TRUE);
        }
        if (!tmpCert) {
            g_warning ("Couldn't create cert from DER blob");
            set_nss_error (error);
            return FALSE;
        }
    }

#if 0
    CERTCertificateCleaner tmpCertCleaner (tmpCert);
#endif

    if (tmpCert->isperm) {
        if (error && !*error)
            *error = g_error_new_literal (E_CERTDB_ERROR, 0, _("Certificate already exists"));
        return FALSE;
    }
    else {
        gboolean trust_ssl, trust_email, trust_objsign;
        gchar *nickname;
        SECStatus srv;
        CERTCertTrust trust;

        if (!confirm_download_ca_cert (
            cert_db, certToShow, &trust_ssl,
            &trust_email, &trust_objsign)) {
            set_nss_error (error);
            return FALSE;
        }

        /*PR_LOG(gPIPNSSLog, PR_LOG_DEBUG, ("trust is %d\n", trustBits));*/

        nickname = CERT_MakeCANickname (tmpCert);

        /*PR_LOG(gPIPNSSLog, PR_LOG_DEBUG, ("Created nick \"%s\"\n", nickname.get()));*/

        e_cert_trust_init (&trust);
        e_cert_trust_set_valid_ca (&trust);
        e_cert_trust_add_ca_trust (&trust,
                       trust_ssl,
                       trust_email,
                       trust_objsign);

        srv = CERT_AddTempCertToPerm (tmpCert,
                         nickname,
                         &trust);

        /* If we aren't logged into the token, then what *should*
         * happen is the above call should fail, and we should
         * authenticate and then try again. But see NSS bug #595861.
         * With NSS 3.12.6 at least, the above call will fail, but
         * it *will* have added the cert to the database, with
         * random trust bits. We have to authenticate and then set
         * the trust bits correctly. And calling
         * CERT_AddTempCertToPerm() again doesn't work either -- it'll
         * fail even though it arguably ought to succeed (which is
         * probably another NSS bug).
         * So if we get SEC_ERROR_TOKEN_NOT_LOGGED_IN, we first try
         * CERT_ChangeCertTrust(), and if that doesn't work we hope
         * we're on a fixed version of NSS and we try calling
         * CERT_AddTempCertToPerm() again instead. */
        if (srv != SECSuccess &&
            PORT_GetError () == SEC_ERROR_TOKEN_NOT_LOGGED_IN &&
            e_cert_db_login_to_slot (NULL, PK11_GetInternalKeySlot ())) {
            srv = CERT_ChangeCertTrust (CERT_GetDefaultCertDB (),
                            tmpCert, &trust);
            if (srv != SECSuccess)
                srv = CERT_AddTempCertToPerm (tmpCert,
                                  nickname,
                                  &trust);
        }
        if (srv != SECSuccess) {
            set_nss_error (error);
            return FALSE;
        }

#if 0
        /* Now it's time to add the rest of the certs we just downloaded.
           Since we didn't prompt the user about any of these certs, we
           won't set any trust bits for them. */
        e_cert_trust_init (&trust);
        e_cert_trust_set_valid_ca (&trust);
        e_cert_trusts_add_ca_trust (&trust, 0, 0, 0);
        for (PRUint32 i=0; i<numCerts; i++) {
            if (i == selCertIndex)
                continue;

            certToShow = do_QueryElementAt (x509Certs, i);
            certToShow->GetRawDER (&der.len, (PRUint8 **)&der.data);

            CERTCertificate *tmpCert2 =
                CERT_NewTempCertificate (certdb, &der, nsnull, PR_FALSE, PR_TRUE);

            if (!tmpCert2) {
                NS_ASSERTION(0, "Couldn't create temp cert from DER blob\n");
                continue;  /* Let's try to import the rest of 'em */
            }
            nickname.Adopt (CERT_MakeCANickname (tmpCert2));
            CERT_AddTempCertToPerm (tmpCert2, NS_CONST_CAST (gchar *,nickname.get ()),
                           defaultTrust.GetTrust ());
            CERT_DestroyCertificate (tmpCert2);
        }
#endif
        return TRUE;
    }
}
gboolean e_cert_db_change_cert_trust (CERTCertificate *cert, CERTCertTrust *trust)
{
    SECStatus srv;

    srv = CERT_ChangeCertTrust (CERT_GetDefaultCertDB (),
                    cert, trust);
    if (srv != SECSuccess &&
        PORT_GetError () == SEC_ERROR_TOKEN_NOT_LOGGED_IN &&
        e_cert_db_login_to_slot (NULL, PK11_GetInternalKeySlot ()))
        srv = CERT_ChangeCertTrust (CERT_GetDefaultCertDB (),
                        cert, trust);

    if (srv != SECSuccess) {
        glong err = PORT_GetError ();
        g_warning ("CERT_ChangeCertTrust() failed: %s\n",
               nss_error_to_string (err));
        return FALSE;
    }
    return TRUE;
}

/* deleting certificates */
gboolean
e_cert_db_delete_cert (ECertDB *certdb,
               ECert   *ecert)
{
    /*  nsNSSShutDownPreventionLock locker;
        nsNSSCertificate *nssCert = NS_STATIC_CAST (nsNSSCertificate*, aCert); */

    CERTCertificate *cert;

    if (!e_cert_mark_for_deletion (ecert)) {
        return FALSE;
    }

    cert = e_cert_get_internal_cert (ecert);
    if (cert->slot && e_cert_get_cert_type (ecert) != E_CERT_USER) {
        /* To delete a cert of a slot (builtin, most likely), mark it as
         * completely untrusted.  This way we keep a copy cached in the
         * local database, and next time we try to load it off of the
         * external token/slot, we'll know not to trust it.  We don't
         * want to do that with user certs, because a user may  re-store
         * the cert onto the card again at which point we *will* want to
         * trust that cert if it chains up properly. */
        CERTCertTrust trust;

        e_cert_trust_init_with_values (&trust, 0, 0, 0);
        return e_cert_db_change_cert_trust (cert, &trust);
    }

    return TRUE;
}

/* importing certificates */
gboolean
e_cert_db_import_certs (ECertDB *certdb,
            gchar *data, guint32 length,
            ECertType cert_type,
            GSList **imported_certs,
            GError **error)
{
    /*nsNSSShutDownPreventionLock locker;*/
    PRArenaPool *arena = PORT_NewArena (DER_DEFAULT_CHUNKSIZE);
    GList *certs = NULL;
    CERTDERCerts *certCollection = e_cert_db_get_certs_from_package (arena, data, length);
    gint i;
    gboolean rv;

    if (!certCollection) {
        set_nss_error (error);
        PORT_FreeArena (arena, PR_FALSE);
        return FALSE;
    }

    /* Now let's create some certs to work with */
    for (i=0; i<certCollection->numcerts; i++) {
        SECItem *currItem = &certCollection->rawCerts[i];
        ECert *cert;

        cert = e_cert_new_from_der ((gchar *)currItem->data, currItem->len);
        if (!cert) {
            set_nss_error (error);
            g_list_foreach (certs, (GFunc)g_object_unref, NULL);
            g_list_free (certs);
            PORT_FreeArena (arena, PR_FALSE);
            return FALSE;
        }
        certs = g_list_append (certs, cert);
    }
    switch (cert_type) {
    case E_CERT_CA:
        rv = handle_ca_cert_download (certdb, certs, error);
        if (rv && imported_certs) {
            GList *l;

            /* copy certificates to the caller */
            *imported_certs = NULL;
            for (l = certs; l; l = l->next) {
                ECert *cert = l->data;

                if (cert)
                    *imported_certs = g_slist_prepend (*imported_certs, g_object_ref (cert));
            }

            *imported_certs = g_slist_reverse (*imported_certs);
        }
        break;
    default:
        /* We only deal with import CA certs in this method currently.*/
        set_nss_error (error);
        PORT_FreeArena (arena, PR_FALSE);
        rv = FALSE;
    }

    g_list_foreach (certs, (GFunc)g_object_unref, NULL);
    g_list_free (certs);
    PORT_FreeArena (arena, PR_FALSE);
    return rv;
}

gboolean
e_cert_db_import_email_cert (ECertDB *certdb,
                 gchar *data, guint32 length,
                 GSList **imported_certs,
                 GError **error)
{
    /*nsNSSShutDownPreventionLock locker;*/
    SECStatus srv = SECFailure;
    gboolean rv = TRUE;
    CERTCertificate * cert;
    SECItem **rawCerts;
    gint numcerts;
    gint i;
    PRArenaPool *arena = PORT_NewArena (DER_DEFAULT_CHUNKSIZE);
    CERTDERCerts *certCollection = e_cert_db_get_certs_from_package (arena, data, length);

    if (!certCollection) {
        set_nss_error (error);
        PORT_FreeArena (arena, PR_FALSE);
        return FALSE;
    }

    cert = CERT_NewTempCertificate (CERT_GetDefaultCertDB (), certCollection->rawCerts,
                       (gchar *)NULL, PR_FALSE, PR_TRUE);
    if (!cert) {
        set_nss_error (error);
        rv = FALSE;
        goto loser;
    }
    numcerts = certCollection->numcerts;
    rawCerts = (SECItem **) PORT_Alloc (sizeof (SECItem *) * numcerts);
    if (!rawCerts) {
        set_nss_error (error);
        rv = FALSE;
        goto loser;
    }

    for (i = 0; i < numcerts; i++) {
        rawCerts[i] = &certCollection->rawCerts[i];
    }

    srv = CERT_ImportCerts (CERT_GetDefaultCertDB (), certUsageEmailSigner,
                   numcerts, rawCerts, NULL, PR_TRUE, PR_FALSE,
                   NULL);
    if (srv != SECSuccess) {
        set_nss_error (error);
        rv = FALSE;
        goto loser;
    }
    CERT_SaveSMimeProfile (cert, NULL, NULL);

    if (imported_certs) {
        *imported_certs = NULL;
        for (i = 0; i < certCollection->numcerts; i++) {
            SECItem *currItem = &certCollection->rawCerts[i];
            ECert *cert;

            cert = e_cert_new_from_der ((gchar *)currItem->data, currItem->len);
            if (cert)
                *imported_certs = g_slist_prepend (*imported_certs, cert);
        }

        *imported_certs = g_slist_reverse (*imported_certs);
    }

    PORT_Free (rawCerts);
 loser:
    if (cert)
        CERT_DestroyCertificate (cert);
    if (arena)
        PORT_FreeArena (arena, PR_TRUE);
    return rv;
}

static gchar *
default_nickname (CERTCertificate *cert)
{
    /*  nsNSSShutDownPreventionLock locker; */
    gchar *username = NULL;
    gchar *caname = NULL;
    gchar *nickname = NULL;
    gchar *tmp = NULL;
    gint count;
    const gchar *nickFmt=NULL;
    CERTCertificate *dummycert;
    PK11SlotInfo *slot=NULL;
    CK_OBJECT_HANDLE keyHandle;

    CERTCertDBHandle *defaultcertdb = CERT_GetDefaultCertDB ();

    username = CERT_GetCommonName (&cert->subject);
    if (username == NULL)
        username = PL_strdup("");

    if (username == NULL)
        goto loser;

    caname = CERT_GetOrgName (&cert->issuer);
    if (caname == NULL)
        caname = PL_strdup("");

    if (caname == NULL)
        goto loser;

    count = 1;

    nickFmt = "%1$s's %2$s ID";

    nickname = PR_smprintf (nickFmt, username, caname);
    /*
     * We need to see if the private key exists on a token, if it does
     * then we need to check for nicknames that already exist on the smart
     * card.
     */
    slot = PK11_KeyForCertExists (cert, &keyHandle, NULL);
    if (slot == NULL) {
        goto loser;
    }
    if (!PK11_IsInternal (slot)) {
        tmp = PR_smprintf("%s:%s", PK11_GetTokenName(slot), nickname);
        PR_Free (nickname);
        nickname = tmp;
        tmp = NULL;
    }
    tmp = nickname;
    while (1) {
        if (count > 1) {
            nickname = PR_smprintf("%s #%d", tmp, count);
        }

        if (nickname == NULL)
            goto loser;

        if (PK11_IsInternal (slot)) {
            /* look up the nickname to make sure it isn't in use already */
            dummycert = CERT_FindCertByNickname (defaultcertdb, nickname);

        } else {
            /*
             * Check the cert against others that already live on the smart
             * card.
             */
            dummycert = PK11_FindCertFromNickname (nickname, NULL);
            if (dummycert != NULL) {
                /*
                 * Make sure the subject names are different.
                 */
                if (CERT_CompareName (&cert->subject, &dummycert->subject) == SECEqual) {
                    /*
                     * There is another certificate with the same nickname and
                     * the same subject name on the smart card, so let's use this
                     * nickname.
                     */
                    CERT_DestroyCertificate (dummycert);
                    dummycert = NULL;
                }
            }
        }
        if (dummycert == NULL)
            goto done;

        /* found a cert, destroy it and loop */
        CERT_DestroyCertificate (dummycert);
        if (tmp != nickname) PR_Free (nickname);
        count++;
    } /* end of while (1) */

 loser:
    if (nickname) {
        PR_Free (nickname);
    }
    nickname = NULL;
 done:
    if (caname) {
        PR_Free (caname);
    }
    if (username)  {
        PR_Free (username);
    }
    if (slot != NULL) {
        PK11_FreeSlot (slot);
        if (nickname != NULL) {
            tmp = nickname;
            nickname = strchr (tmp, ':');
            if (nickname != NULL) {
                nickname++;
                nickname = PL_strdup (nickname);
                PR_Free (tmp);
                tmp = NULL;
            } else {
                nickname = tmp;
                tmp = NULL;
            }
        }
    }
    PR_FREEIF (tmp);
    return (nickname);
}

gboolean
e_cert_db_import_user_cert (ECertDB *certdb,
                gchar *data, guint32 length,
                GError **error)
{
    /*  nsNSSShutDownPreventionLock locker;*/
    PK11SlotInfo *slot;
    gchar * nickname = NULL;
    gboolean rv = FALSE;
    gint numCACerts;
    SECItem *CACerts;
    CERTDERCerts * collectArgs;
    PRArenaPool *arena;
    CERTCertificate * cert=NULL;

    arena = PORT_NewArena (DER_DEFAULT_CHUNKSIZE);
    if (arena == NULL) {
        set_nss_error (error);
        goto loser;
    }

    collectArgs = e_cert_db_get_certs_from_package (arena, data, length);
    if (!collectArgs) {
        set_nss_error (error);
        goto loser;
    }

    cert = CERT_NewTempCertificate (CERT_GetDefaultCertDB (), collectArgs->rawCerts,
                       (gchar *)NULL, PR_FALSE, PR_TRUE);
    if (!cert) {
        set_nss_error (error);
        goto loser;
    }

    slot = PK11_KeyForCertExists (cert, NULL, NULL);
    if (slot == NULL) {
        set_nss_error (error);
        goto loser;
    }
    PK11_FreeSlot (slot);

    /* pick a nickname for the cert */
    if (cert->nickname) {
        /* sigh, we need a call to look up other certs with this subject and
         * identify nicknames from them. We can no longer walk down internal
         * database structures  rjr */
        nickname = cert->nickname;
    }
    else {
        nickname = default_nickname (cert);
    }

    /* user wants to import the cert */
    slot = PK11_ImportCertForKey (cert, nickname, NULL);
    if (!slot) {
        set_nss_error (error);
        goto loser;
    }
    PK11_FreeSlot (slot);
    numCACerts = collectArgs->numcerts - 1;

    if (numCACerts) {
        CACerts = collectArgs->rawCerts+1;
        if (!CERT_ImportCAChain (CACerts, numCACerts, certUsageUserCertImport)) {
            rv = TRUE;
        }
    }

 loser:
    if (arena) {
        PORT_FreeArena (arena, PR_FALSE);
    }
    if (cert) {
        CERT_DestroyCertificate (cert);
    }
    return rv;
}

gboolean
e_cert_db_import_server_cert (ECertDB *certdb,
                  gchar *data, guint32 length,
                  GSList **imported_certs,
                  GError **error)
{
    /* not c&p'ing this over at the moment, as we don't have a UI
       for server certs anyway */
    return FALSE;
}

gboolean
e_cert_db_import_certs_from_file (ECertDB *cert_db,
                  const gchar *file_path,
                  ECertType cert_type,
                  GSList **imported_certs,
                  GError **error)
{
    gboolean rv;
    gint fd;
    struct stat sb;
    gchar *buf;
    gint bytes_read;

    switch (cert_type) {
    case E_CERT_CA:
    case E_CERT_CONTACT:
    case E_CERT_SITE:
        /* good */
        break;

    default:
        /* not supported (yet) */
        set_nss_error (error);
        return FALSE;
    }

    fd = g_open (file_path, O_RDONLY|O_BINARY, 0);
    if (fd == -1) {
        set_nss_error (error);
        return FALSE;
    }

    if (-1 == fstat (fd, &sb)) {
        set_nss_error (error);
        close (fd);
        return FALSE;
    }

    buf = g_malloc (sb.st_size);
    if (!buf) {
        set_nss_error (error);
        close (fd);
        return FALSE;
    }

    bytes_read = read (fd, buf, sb.st_size);

    close (fd);

    if (bytes_read != sb.st_size) {
        set_nss_error (error);
        rv = FALSE;
    }
    else {
        printf ("importing %d bytes from '%s'\n", bytes_read, file_path);

        switch (cert_type) {
        case E_CERT_CA:
            rv = e_cert_db_import_certs (cert_db, buf, bytes_read, cert_type, imported_certs, error);
            break;

        case E_CERT_SITE:
            rv = e_cert_db_import_server_cert (cert_db, buf, bytes_read, imported_certs, error);
            break;

        case E_CERT_CONTACT:
            rv = e_cert_db_import_email_cert (cert_db, buf, bytes_read, imported_certs, error);
            break;

        default:
            rv = FALSE;
            break;
        }
    }

    g_free (buf);
    return rv;
}

gboolean
e_cert_db_import_pkcs12_file (ECertDB *cert_db,
                  const gchar *file_path,
                  GError **error)
{
    EPKCS12 *pkcs12 = e_pkcs12_new ();
    GError *e = NULL;

    if (!e_pkcs12_import_from_file (pkcs12, file_path, &e)) {
        g_propagate_error (error, e);
        return FALSE;
    }

    return TRUE;
}

#ifdef notyet
gboolean
e_cert_db_export_pkcs12_file (ECertDB *cert_db,
                  const gchar *file_path,
                  GList *certs,
                  GError **error)
{
}
#endif

gboolean
e_cert_db_login_to_slot (ECertDB *cert_db,
             PK11SlotInfo *slot)
{
    if (PK11_NeedLogin (slot)) {
        PK11_Logout (slot);

        if (PK11_NeedUserInit (slot)) {
            gchar *pwd;
            gboolean rv = FALSE;

            printf ("initializing slot password\n");

            g_signal_emit (e_cert_db_peek (),
                       e_cert_db_signals[PK11_CHANGE_PASSWD], 0,
                       NULL,
                       &pwd,
                       &rv);

            if (!rv)
                return FALSE;

            /* the user needs to specify the initial password */
            PK11_InitPin (slot, "", pwd);
        }

        PK11_SetPasswordFunc (pk11_password);
        if (PK11_Authenticate (slot, PR_TRUE, NULL) != SECSuccess) {
            printf ("PK11_Authenticate failed (err = %d/%d)\n",
                PORT_GetError (), PORT_GetError () + 0x2000);
            return FALSE;
        }
    }

    return TRUE;
}