Example #1
0
VCardEmulError
vcard_emul_init(const VCardEmulOptions *options)
{
    SECStatus rv;
    PRBool ret, has_readers = PR_FALSE;
    VReader *vreader;
    VReaderEmul *vreader_emul;
    SECMODListLock *module_lock;
    SECMODModuleList *module_list;
    SECMODModuleList *mlp;
    int i;

    if (vcard_emul_init_called) {
        return VCARD_EMUL_INIT_ALREADY_INITED;
    }
    vcard_emul_init_called = 1;
    vreader_init();
    vevent_queue_init();

    if (options == NULL) {
        options = &default_options;
    }

    /* first initialize NSS */
    if (options->nss_db) {
        rv = NSS_Init(options->nss_db);
    } else {
        gchar *path;
#ifndef _WIN32
        path = g_strdup("/etc/pki/nssdb");
#else
        if (g_get_system_config_dirs() == NULL ||
            g_get_system_config_dirs()[0] == NULL) {
            return VCARD_EMUL_FAIL;
        }

        path = g_build_filename(
            g_get_system_config_dirs()[0], "pki", "nssdb", NULL);
#endif

        rv = NSS_Init(path);
        g_free(path);
    }
    if (rv != SECSuccess) {
        return VCARD_EMUL_FAIL;
    }
    /* Set password callback function */
    PK11_SetPasswordFunc(vcard_emul_get_password);

    /* set up soft cards emulated by software certs rather than physical cards
     * */
    for (i = 0; i < options->vreader_count; i++) {
        int j;
        int cert_count;
        unsigned char **certs;
        int *cert_len;
        VCardKey **keys;
        PK11SlotInfo *slot;

        slot = PK11_FindSlotByName(options->vreader[i].name);
        if (slot == NULL) {
            continue;
        }
        vreader_emul = vreader_emul_new(slot, options->vreader[i].card_type,
                                        options->vreader[i].type_params);
        vreader = vreader_new(options->vreader[i].vname, vreader_emul,
                              vreader_emul_delete);
        vreader_add_reader(vreader);
        cert_count = options->vreader[i].cert_count;

        ret = vcard_emul_alloc_arrays(&certs, &cert_len, &keys,
                                      options->vreader[i].cert_count);
        if (ret == PR_FALSE) {
            continue;
        }
        cert_count = 0;
        for (j = 0; j < options->vreader[i].cert_count; j++) {
            /* we should have a better way of identifying certs than by
             * nickname here */
            CERTCertificate *cert = PK11_FindCertFromNickname(
                                        options->vreader[i].cert_name[j],
                                        NULL);
            if (cert == NULL) {
                continue;
            }
            certs[cert_count] = cert->derCert.data;
            cert_len[cert_count] = cert->derCert.len;
            keys[cert_count] = vcard_emul_make_key(slot, cert);
            /* this is safe because the key is still holding a cert reference */
            CERT_DestroyCertificate(cert);
            cert_count++;
        }
        if (cert_count) {
            VCard *vcard = vcard_emul_make_card(vreader, certs, cert_len,
                                                keys, cert_count);
            vreader_insert_card(vreader, vcard);
            vcard_emul_init_series(vreader, vcard);
            /* allow insertion and removal of soft cards */
            vreader_emul->saved_vcard = vcard_reference(vcard);
            vcard_free(vcard);
            vreader_free(vreader);
            has_readers = PR_TRUE;
        }
        g_free(certs);
        g_free(cert_len);
        g_free(keys);
    }

    /* if we aren't suppose to use hw, skip looking up hardware tokens */
    if (!options->use_hw) {
        nss_emul_init = has_readers;
        return has_readers ? VCARD_EMUL_OK : VCARD_EMUL_FAIL;
    }

    /* make sure we have some PKCS #11 module loaded */
    module_lock = SECMOD_GetDefaultModuleListLock();
    module_list = SECMOD_GetDefaultModuleList();
    SECMOD_GetReadLock(module_lock);
    for (mlp = module_list; mlp; mlp = mlp->next) {
        SECMODModule *module = mlp->module;
        if (module_has_removable_hw_slots(module)) {
            break;
        }
    }
    SECMOD_ReleaseReadLock(module_lock);

    /* now examine all the slots, finding which should be readers */
    /* We should control this with options. For now we mirror out any
     * removable hardware slot */
    default_card_type = options->hw_card_type;
    default_type_params = g_strdup(options->hw_type_params);

    SECMOD_GetReadLock(module_lock);
    for (mlp = module_list; mlp; mlp = mlp->next) {
        SECMODModule *module = mlp->module;

        /* Ignore the internal module */
        if (module == NULL || module == SECMOD_GetInternalModule()) {
            continue;
        }

        for (i = 0; i < module->slotCount; i++) {
            PK11SlotInfo *slot = module->slots[i];

            /* only map removable HW slots */
            if (slot == NULL || !PK11_IsRemovable(slot) || !PK11_IsHW(slot)) {
                continue;
            }
            if (strcmp("E-Gate 0 0", PK11_GetSlotName(slot)) == 0) {
                /*
                 * coolkey <= 1.1.0-20 emulates this reader if it can't find
                 * any hardware readers. This causes problems, warn user of
                 * problems.
                 */
                fprintf(stderr, "known bad coolkey version - see "
                        "https://bugzilla.redhat.com/show_bug.cgi?id=802435\n");
                continue;
            }
            vreader_emul = vreader_emul_new(slot, options->hw_card_type,
                                            options->hw_type_params);
            vreader = vreader_new(PK11_GetSlotName(slot), vreader_emul,
                                  vreader_emul_delete);
            vreader_add_reader(vreader);

            if (PK11_IsPresent(slot)) {
                VCard *vcard;
                vcard = vcard_emul_mirror_card(vreader);
                vreader_insert_card(vreader, vcard);
                vcard_emul_init_series(vreader, vcard);
                vcard_free(vcard);
            }
        }
        vcard_emul_new_event_thread(module);
    }
    SECMOD_ReleaseReadLock(module_lock);
    nss_emul_init = PR_TRUE;

    return VCARD_EMUL_OK;
}
Example #2
0
VCardEmulError
vcard_emul_init(const VCardEmulOptions *options)
{
    SECStatus rv;
    PRBool ret, has_readers = PR_FALSE, need_coolkey_module;
    VReader *vreader;
    VReaderEmul *vreader_emul;
    SECMODListLock *module_lock;
    SECMODModuleList *module_list;
    SECMODModuleList *mlp;
    int i;

    if (vcard_emul_init_called) {
        return VCARD_EMUL_INIT_ALREADY_INITED;
    }
    vcard_emul_init_called = 1;
    vreader_init();
    vevent_queue_init();

    if (options == NULL) {
        options = &default_options;
    }

    /* first initialize NSS */
    if (options->nss_db) {
        rv = NSS_Init(options->nss_db);
    } else {
        rv = NSS_Init("sql:/etc/pki/nssdb");
    }
    if (rv != SECSuccess) {
        return VCARD_EMUL_FAIL;
    }
    /* Set password callback function */
    PK11_SetPasswordFunc(vcard_emul_get_password);

    /* set up soft cards emulated by software certs rather than physical cards
     * */
    for (i = 0; i < options->vreader_count; i++) {
        int j;
        int cert_count;
        unsigned char **certs;
        int *cert_len;
        VCardKey **keys;
        PK11SlotInfo *slot;

        slot = PK11_FindSlotByName(options->vreader[i].name);
        if (slot == NULL) {
            continue;
        }
        vreader_emul = vreader_emul_new(slot, options->vreader[i].card_type,
                                        options->vreader[i].type_params);
        vreader = vreader_new(options->vreader[i].vname, vreader_emul,
                              vreader_emul_delete);
        vreader_add_reader(vreader);
        cert_count = options->vreader[i].cert_count;

        ret = vcard_emul_alloc_arrays(&certs, &cert_len, &keys,
                                      options->vreader[i].cert_count);
        if (ret == PR_FALSE) {
            continue;
        }
        cert_count = 0;
        for (j = 0; j < options->vreader[i].cert_count; j++) {
            /* we should have a better way of identifying certs than by
             * nickname here */
            CERTCertificate *cert = PK11_FindCertFromNickname(
                                        options->vreader[i].cert_name[j],
                                        NULL);
            if (cert == NULL) {
                continue;
            }
            certs[cert_count] = cert->derCert.data;
            cert_len[cert_count] = cert->derCert.len;
            keys[cert_count] = vcard_emul_make_key(slot, cert);
            /* this is safe because the key is still holding a cert reference */
            CERT_DestroyCertificate(cert);
            cert_count++;
        }
        if (cert_count) {
            VCard *vcard = vcard_emul_make_card(vreader, certs, cert_len,
                                                keys, cert_count);
            vreader_insert_card(vreader, vcard);
            vcard_emul_init_series(vreader, vcard);
            /* allow insertion and removal of soft cards */
            vreader_emul->saved_vcard = vcard_reference(vcard);
            vcard_free(vcard);
            vreader_free(vreader);
            has_readers = PR_TRUE;
        }
        g_free(certs);
        g_free(cert_len);
        g_free(keys);
    }

    /* if we aren't suppose to use hw, skip looking up hardware tokens */
    if (!options->use_hw) {
        nss_emul_init = has_readers;
        return has_readers ? VCARD_EMUL_OK : VCARD_EMUL_FAIL;
    }

    /* make sure we have some PKCS #11 module loaded */
    module_lock = SECMOD_GetDefaultModuleListLock();
    module_list = SECMOD_GetDefaultModuleList();
    need_coolkey_module = !has_readers;
    SECMOD_GetReadLock(module_lock);
    for (mlp = module_list; mlp; mlp = mlp->next) {
        SECMODModule *module = mlp->module;
        if (module_has_removable_hw_slots(module)) {
            need_coolkey_module = PR_FALSE;
            break;
        }
    }
    SECMOD_ReleaseReadLock(module_lock);

    if (need_coolkey_module) {
        SECMODModule *module;
        module = SECMOD_LoadUserModule(
                    (char *)"library=libcoolkeypk11.so name=Coolkey",
                    NULL, PR_FALSE);
        if (module == NULL) {
            return VCARD_EMUL_FAIL;
        }
        SECMOD_DestroyModule(module); /* free our reference, Module will still
                                       * be on the list.
                                       * until we destroy it */
    }

    /* now examine all the slots, finding which should be readers */
    /* We should control this with options. For now we mirror out any
     * removable hardware slot */
    default_card_type = options->hw_card_type;
    default_type_params = strdup(options->hw_type_params);

    SECMOD_GetReadLock(module_lock);
    for (mlp = module_list; mlp; mlp = mlp->next) {
        SECMODModule *module = mlp->module;
        PRBool has_emul_slots = PR_FALSE;

        if (module == NULL) {
                continue;
        }

        for (i = 0; i < module->slotCount; i++) {
            PK11SlotInfo *slot = module->slots[i];

            /* only map removable HW slots */
            if (slot == NULL || !PK11_IsRemovable(slot) || !PK11_IsHW(slot)) {
                continue;
            }
            vreader_emul = vreader_emul_new(slot, options->hw_card_type,
                                            options->hw_type_params);
            vreader = vreader_new(PK11_GetSlotName(slot), vreader_emul,
                                  vreader_emul_delete);
            vreader_add_reader(vreader);

            has_readers = PR_TRUE;
            has_emul_slots = PR_TRUE;

            if (PK11_IsPresent(slot)) {
                VCard *vcard;
                vcard = vcard_emul_mirror_card(vreader);
                vreader_insert_card(vreader, vcard);
                vcard_emul_init_series(vreader, vcard);
                vcard_free(vcard);
            }
        }
        if (has_emul_slots) {
            vcard_emul_new_event_thread(module);
        }
    }
    SECMOD_ReleaseReadLock(module_lock);
    nss_emul_init = has_readers;

    return VCARD_EMUL_OK;
}