2020-11-09 05:23:58 +01:00
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
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2019-11-05 11:49:27 +01:00
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#include <fcntl.h>
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#include "ask-password-api.h"
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#include "escape.h"
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#include "fd-util.h"
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2020-11-25 10:28:11 +01:00
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#include "format-table.h"
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2019-11-05 11:49:27 +01:00
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#include "io-util.h"
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#include "memory-util.h"
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#if HAVE_OPENSSL
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#include "openssl-util.h"
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#endif
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#include "pkcs11-util.h"
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#include "random-util.h"
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#include "string-util.h"
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#include "strv.h"
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bool pkcs11_uri_valid(const char *uri) {
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const char *p;
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/* A very superficial checker for RFC7512 PKCS#11 URI syntax */
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if (isempty(uri))
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return false;
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p = startswith(uri, "pkcs11:");
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if (!p)
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return false;
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if (isempty(p))
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return false;
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if (!in_charset(p, ALPHANUMERICAL "-_?;&%="))
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return false;
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return true;
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}
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#if HAVE_P11KIT
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int uri_from_string(const char *p, P11KitUri **ret) {
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_cleanup_(p11_kit_uri_freep) P11KitUri *uri = NULL;
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assert(p);
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assert(ret);
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uri = p11_kit_uri_new();
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if (!uri)
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return -ENOMEM;
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if (p11_kit_uri_parse(p, P11_KIT_URI_FOR_ANY, uri) != P11_KIT_URI_OK)
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return -EINVAL;
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*ret = TAKE_PTR(uri);
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return 0;
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}
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P11KitUri *uri_from_module_info(const CK_INFO *info) {
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P11KitUri *uri;
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assert(info);
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uri = p11_kit_uri_new();
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if (!uri)
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return NULL;
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*p11_kit_uri_get_module_info(uri) = *info;
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return uri;
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}
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P11KitUri *uri_from_slot_info(const CK_SLOT_INFO *slot_info) {
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P11KitUri *uri;
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assert(slot_info);
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uri = p11_kit_uri_new();
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if (!uri)
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return NULL;
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*p11_kit_uri_get_slot_info(uri) = *slot_info;
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return uri;
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}
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P11KitUri *uri_from_token_info(const CK_TOKEN_INFO *token_info) {
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P11KitUri *uri;
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assert(token_info);
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uri = p11_kit_uri_new();
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if (!uri)
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return NULL;
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*p11_kit_uri_get_token_info(uri) = *token_info;
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return uri;
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}
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CK_RV pkcs11_get_slot_list_malloc(
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CK_FUNCTION_LIST *m,
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CK_SLOT_ID **ret_slotids,
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CK_ULONG *ret_n_slotids) {
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CK_RV rv;
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assert(m);
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assert(ret_slotids);
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assert(ret_n_slotids);
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for (unsigned tries = 0; tries < 16; tries++) {
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_cleanup_free_ CK_SLOT_ID *slotids = NULL;
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CK_ULONG n_slotids = 0;
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rv = m->C_GetSlotList(0, NULL, &n_slotids);
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if (rv != CKR_OK)
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return rv;
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if (n_slotids == 0) {
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*ret_slotids = NULL;
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*ret_n_slotids = 0;
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return CKR_OK;
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}
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slotids = new(CK_SLOT_ID, n_slotids);
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if (!slotids)
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return CKR_HOST_MEMORY;
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rv = m->C_GetSlotList(0, slotids, &n_slotids);
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if (rv == CKR_OK) {
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*ret_slotids = TAKE_PTR(slotids);
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*ret_n_slotids = n_slotids;
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return CKR_OK;
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}
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if (rv != CKR_BUFFER_TOO_SMALL)
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return rv;
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/* Hu? Maybe somebody plugged something in and things changed? Let's try again */
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}
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return CKR_BUFFER_TOO_SMALL;
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}
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char *pkcs11_token_label(const CK_TOKEN_INFO *token_info) {
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char *t;
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/* The label is not NUL terminated and likely padded with spaces, let's make a copy here, so that we
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* can strip that. */
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t = strndup((char*) token_info->label, sizeof(token_info->label));
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if (!t)
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return NULL;
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strstrip(t);
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return t;
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}
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2020-04-16 09:44:55 +02:00
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char *pkcs11_token_manufacturer_id(const CK_TOKEN_INFO *token_info) {
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char *t;
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t = strndup((char*) token_info->manufacturerID, sizeof(token_info->manufacturerID));
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if (!t)
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return NULL;
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strstrip(t);
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return t;
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}
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char *pkcs11_token_model(const CK_TOKEN_INFO *token_info) {
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char *t;
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t = strndup((char*) token_info->model, sizeof(token_info->model));
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if (!t)
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return NULL;
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strstrip(t);
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return t;
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}
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2019-11-05 11:49:27 +01:00
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int pkcs11_token_login(
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CK_FUNCTION_LIST *m,
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CK_SESSION_HANDLE session,
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CK_SLOT_ID slotid,
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const CK_TOKEN_INFO *token_info,
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const char *friendly_name,
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const char *icon_name,
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const char *keyname,
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usec_t until,
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char **ret_used_pin) {
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_cleanup_free_ char *token_uri_string = NULL, *token_uri_escaped = NULL, *id = NULL, *token_label = NULL;
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_cleanup_(p11_kit_uri_freep) P11KitUri *token_uri = NULL;
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CK_TOKEN_INFO updated_token_info;
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2020-04-16 09:44:55 +02:00
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int uri_result, r;
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2019-11-05 11:49:27 +01:00
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CK_RV rv;
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assert(m);
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assert(token_info);
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token_label = pkcs11_token_label(token_info);
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if (!token_label)
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return log_oom();
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token_uri = uri_from_token_info(token_info);
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if (!token_uri)
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return log_oom();
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uri_result = p11_kit_uri_format(token_uri, P11_KIT_URI_FOR_ANY, &token_uri_string);
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if (uri_result != P11_KIT_URI_OK)
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return log_warning_errno(SYNTHETIC_ERRNO(EAGAIN), "Failed to format slot URI: %s", p11_kit_uri_message(uri_result));
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if (FLAGS_SET(token_info->flags, CKF_PROTECTED_AUTHENTICATION_PATH)) {
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rv = m->C_Login(session, CKU_USER, NULL, 0);
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if (rv != CKR_OK)
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return log_error_errno(SYNTHETIC_ERRNO(EIO),
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"Failed to log into security token '%s': %s", token_label, p11_kit_strerror(rv));
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2020-04-16 17:50:21 +02:00
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log_info("Successfully logged into security token '%s' via protected authentication path.", token_label);
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2020-09-09 21:26:21 +02:00
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if (ret_used_pin)
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*ret_used_pin = NULL;
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2019-11-05 11:49:27 +01:00
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return 0;
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}
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if (!FLAGS_SET(token_info->flags, CKF_LOGIN_REQUIRED)) {
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log_info("No login into security token '%s' required.", token_label);
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2020-09-09 21:26:21 +02:00
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if (ret_used_pin)
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*ret_used_pin = NULL;
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2019-11-05 11:49:27 +01:00
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return 0;
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}
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token_uri_escaped = cescape(token_uri_string);
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if (!token_uri_escaped)
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return log_oom();
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id = strjoin("pkcs11:", token_uri_escaped);
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if (!id)
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return log_oom();
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for (unsigned tries = 0; tries < 3; tries++) {
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_cleanup_strv_free_erase_ char **passwords = NULL;
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char **i, *e;
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e = getenv("PIN");
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if (e) {
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passwords = strv_new(e);
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if (!passwords)
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return log_oom();
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string_erase(e);
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if (unsetenv("PIN") < 0)
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return log_error_errno(errno, "Failed to unset $PIN: %m");
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} else {
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2020-04-14 14:12:09 +02:00
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_cleanup_free_ char *text = NULL;
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if (FLAGS_SET(token_info->flags, CKF_USER_PIN_FINAL_TRY))
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r = asprintf(&text,
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"Please enter correct PIN for security token '%s' in order to unlock %s (final try):",
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token_label, friendly_name);
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else if (FLAGS_SET(token_info->flags, CKF_USER_PIN_COUNT_LOW))
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r = asprintf(&text,
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"PIN has been entered incorrectly previously, please enter correct PIN for security token '%s' in order to unlock %s:",
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token_label, friendly_name);
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else if (tries == 0)
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r = asprintf(&text,
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"Please enter PIN for security token '%s' in order to unlock %s:",
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token_label, friendly_name);
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else
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r = asprintf(&text,
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"Please enter PIN for security token '%s' in order to unlock %s (try #%u):",
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token_label, friendly_name, tries+1);
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if (r < 0)
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return log_oom();
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2019-11-05 11:49:27 +01:00
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/* We never cache PINs, simply because it's fatal if we use wrong PINs, since usually there are only 3 tries */
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r = ask_password_auto(text, icon_name, id, keyname, until, 0, &passwords);
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if (r < 0)
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return log_error_errno(r, "Failed to query PIN for security token '%s': %m", token_label);
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}
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STRV_FOREACH(i, passwords) {
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rv = m->C_Login(session, CKU_USER, (CK_UTF8CHAR*) *i, strlen(*i));
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if (rv == CKR_OK) {
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if (ret_used_pin) {
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char *c;
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c = strdup(*i);
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if (!c)
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return log_oom();
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*ret_used_pin = c;
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}
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log_info("Successfully logged into security token '%s'.", token_label);
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return 0;
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}
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if (rv == CKR_PIN_LOCKED)
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return log_error_errno(SYNTHETIC_ERRNO(EPERM),
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"PIN has been locked, please reset PIN of security token '%s'.", token_label);
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if (!IN_SET(rv, CKR_PIN_INCORRECT, CKR_PIN_LEN_RANGE))
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return log_error_errno(SYNTHETIC_ERRNO(EIO),
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"Failed to log into security token '%s': %s", token_label, p11_kit_strerror(rv));
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/* Referesh the token info, so that we can prompt knowing the new flags if they changed. */
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rv = m->C_GetTokenInfo(slotid, &updated_token_info);
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if (rv != CKR_OK)
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return log_error_errno(SYNTHETIC_ERRNO(EIO),
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"Failed to acquire updated security token information for slot %lu: %s",
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slotid, p11_kit_strerror(rv));
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token_info = &updated_token_info;
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log_notice("PIN for token '%s' is incorrect, please try again.", token_label);
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}
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}
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return log_error_errno(SYNTHETIC_ERRNO(EPERM), "Too many attempts to log into token '%s'.", token_label);
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}
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int pkcs11_token_find_x509_certificate(
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CK_FUNCTION_LIST *m,
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CK_SESSION_HANDLE session,
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P11KitUri *search_uri,
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CK_OBJECT_HANDLE *ret_object) {
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bool found_class = false, found_certificate_type = false;
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_cleanup_free_ CK_ATTRIBUTE *attributes_buffer = NULL;
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CK_ULONG n_attributes, a, n_objects;
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CK_ATTRIBUTE *attributes = NULL;
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CK_OBJECT_HANDLE objects[2];
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CK_RV rv, rv2;
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assert(m);
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assert(search_uri);
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assert(ret_object);
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attributes = p11_kit_uri_get_attributes(search_uri, &n_attributes);
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for (a = 0; a < n_attributes; a++) {
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/* We use the URI's included match attributes, but make them more strict. This allows users
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* to specify a token URL instead of an object URL and the right thing should happen if
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* there's only one suitable key on the token. */
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switch (attributes[a].type) {
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case CKA_CLASS: {
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CK_OBJECT_CLASS c;
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if (attributes[a].ulValueLen != sizeof(c))
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid PKCS#11 CKA_CLASS attribute size.");
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memcpy(&c, attributes[a].pValue, sizeof(c));
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if (c != CKO_CERTIFICATE)
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Selected PKCS#11 object is not an X.509 certificate, refusing.");
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found_class = true;
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break;
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}
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case CKA_CERTIFICATE_TYPE: {
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CK_CERTIFICATE_TYPE t;
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if (attributes[a].ulValueLen != sizeof(t))
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return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid PKCS#11 CKA_CERTIFICATE_TYPE attribute size.");
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|
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memcpy(&t, attributes[a].pValue, sizeof(t));
|
|
|
|
if (t != CKC_X_509)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Selected PKCS#11 object is not an X.509 certificate, refusing.");
|
|
|
|
|
|
|
|
found_certificate_type = true;
|
|
|
|
break;
|
|
|
|
}}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!found_class || !found_certificate_type) {
|
|
|
|
/* Hmm, let's slightly extend the attribute list we search for */
|
|
|
|
|
|
|
|
attributes_buffer = new(CK_ATTRIBUTE, n_attributes + !found_class + !found_certificate_type);
|
|
|
|
if (!attributes_buffer)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
memcpy(attributes_buffer, attributes, sizeof(CK_ATTRIBUTE) * n_attributes);
|
|
|
|
|
|
|
|
if (!found_class) {
|
|
|
|
static const CK_OBJECT_CLASS class = CKO_CERTIFICATE;
|
|
|
|
|
|
|
|
attributes_buffer[n_attributes++] = (CK_ATTRIBUTE) {
|
|
|
|
.type = CKA_CLASS,
|
|
|
|
.pValue = (CK_OBJECT_CLASS*) &class,
|
|
|
|
.ulValueLen = sizeof(class),
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!found_certificate_type) {
|
|
|
|
static const CK_CERTIFICATE_TYPE type = CKC_X_509;
|
|
|
|
|
|
|
|
attributes_buffer[n_attributes++] = (CK_ATTRIBUTE) {
|
|
|
|
.type = CKA_CERTIFICATE_TYPE,
|
|
|
|
.pValue = (CK_CERTIFICATE_TYPE*) &type,
|
|
|
|
.ulValueLen = sizeof(type),
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
attributes = attributes_buffer;
|
|
|
|
}
|
|
|
|
|
|
|
|
rv = m->C_FindObjectsInit(session, attributes, n_attributes);
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to initialize object find call: %s", p11_kit_strerror(rv));
|
|
|
|
|
|
|
|
rv = m->C_FindObjects(session, objects, ELEMENTSOF(objects), &n_objects);
|
|
|
|
rv2 = m->C_FindObjectsFinal(session);
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to find objects: %s", p11_kit_strerror(rv));
|
|
|
|
if (rv2 != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to finalize object find call: %s", p11_kit_strerror(rv));
|
|
|
|
if (n_objects == 0)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
|
|
|
|
"Failed to find selected X509 certificate on token.");
|
|
|
|
if (n_objects > 1)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(ENOTUNIQ),
|
|
|
|
"Configured URI matches multiple certificates, refusing.");
|
|
|
|
|
|
|
|
*ret_object = objects[0];
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if HAVE_OPENSSL
|
|
|
|
int pkcs11_token_read_x509_certificate(
|
|
|
|
CK_FUNCTION_LIST *m,
|
|
|
|
CK_SESSION_HANDLE session,
|
|
|
|
CK_OBJECT_HANDLE object,
|
|
|
|
X509 **ret_cert) {
|
|
|
|
|
|
|
|
_cleanup_free_ void *buffer = NULL;
|
|
|
|
_cleanup_free_ char *t = NULL;
|
|
|
|
CK_ATTRIBUTE attribute = {
|
|
|
|
.type = CKA_VALUE
|
|
|
|
};
|
|
|
|
CK_RV rv;
|
|
|
|
_cleanup_(X509_freep) X509 *x509 = NULL;
|
|
|
|
X509_NAME *name = NULL;
|
|
|
|
const unsigned char *p;
|
|
|
|
|
|
|
|
rv = m->C_GetAttributeValue(session, object, &attribute, 1);
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to read X.509 certificate size off token: %s", p11_kit_strerror(rv));
|
|
|
|
|
|
|
|
buffer = malloc(attribute.ulValueLen);
|
|
|
|
if (!buffer)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
attribute.pValue = buffer;
|
|
|
|
|
|
|
|
rv = m->C_GetAttributeValue(session, object, &attribute, 1);
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to read X.509 certificate data off token: %s", p11_kit_strerror(rv));
|
|
|
|
|
|
|
|
p = attribute.pValue;
|
|
|
|
x509 = d2i_X509(NULL, &p, attribute.ulValueLen);
|
|
|
|
if (!x509)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Failed parse X.509 certificate.");
|
|
|
|
|
|
|
|
name = X509_get_subject_name(x509);
|
|
|
|
if (!name)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Failed to acquire X.509 subject name.");
|
|
|
|
|
|
|
|
t = X509_NAME_oneline(name, NULL, 0);
|
|
|
|
if (!t)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO), "Failed to format X.509 subject name as string.");
|
|
|
|
|
|
|
|
log_debug("Using X.509 certificate issued for '%s'.", t);
|
|
|
|
|
|
|
|
*ret_cert = TAKE_PTR(x509);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
int pkcs11_token_find_private_key(
|
|
|
|
CK_FUNCTION_LIST *m,
|
|
|
|
CK_SESSION_HANDLE session,
|
|
|
|
P11KitUri *search_uri,
|
|
|
|
CK_OBJECT_HANDLE *ret_object) {
|
|
|
|
|
|
|
|
bool found_decrypt = false, found_class = false, found_key_type = false;
|
|
|
|
_cleanup_free_ CK_ATTRIBUTE *attributes_buffer = NULL;
|
|
|
|
CK_ULONG n_attributes, a, n_objects;
|
|
|
|
CK_ATTRIBUTE *attributes = NULL;
|
|
|
|
CK_OBJECT_HANDLE objects[2];
|
|
|
|
CK_RV rv, rv2;
|
|
|
|
|
|
|
|
assert(m);
|
|
|
|
assert(search_uri);
|
|
|
|
assert(ret_object);
|
|
|
|
|
|
|
|
attributes = p11_kit_uri_get_attributes(search_uri, &n_attributes);
|
|
|
|
for (a = 0; a < n_attributes; a++) {
|
|
|
|
|
|
|
|
/* We use the URI's included match attributes, but make them more strict. This allows users
|
|
|
|
* to specify a token URL instead of an object URL and the right thing should happen if
|
|
|
|
* there's only one suitable key on the token. */
|
|
|
|
|
|
|
|
switch (attributes[a].type) {
|
|
|
|
|
|
|
|
case CKA_CLASS: {
|
|
|
|
CK_OBJECT_CLASS c;
|
|
|
|
|
|
|
|
if (attributes[a].ulValueLen != sizeof(c))
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid PKCS#11 CKA_CLASS attribute size.");
|
|
|
|
|
|
|
|
memcpy(&c, attributes[a].pValue, sizeof(c));
|
|
|
|
if (c != CKO_PRIVATE_KEY)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
|
|
"Selected PKCS#11 object is not a private key, refusing.");
|
|
|
|
|
|
|
|
found_class = true;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case CKA_DECRYPT: {
|
|
|
|
CK_BBOOL b;
|
|
|
|
|
|
|
|
if (attributes[a].ulValueLen != sizeof(b))
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid PKCS#11 CKA_DECRYPT attribute size.");
|
|
|
|
|
|
|
|
memcpy(&b, attributes[a].pValue, sizeof(b));
|
|
|
|
if (!b)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
|
|
|
|
"Selected PKCS#11 object is not suitable for decryption, refusing.");
|
|
|
|
|
|
|
|
found_decrypt = true;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case CKA_KEY_TYPE: {
|
|
|
|
CK_KEY_TYPE t;
|
|
|
|
|
|
|
|
if (attributes[a].ulValueLen != sizeof(t))
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid PKCS#11 CKA_KEY_TYPE attribute size.");
|
|
|
|
|
|
|
|
memcpy(&t, attributes[a].pValue, sizeof(t));
|
|
|
|
if (t != CKK_RSA)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Selected PKCS#11 object is not an RSA key, refusing.");
|
|
|
|
|
|
|
|
found_key_type = true;
|
|
|
|
break;
|
|
|
|
}}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!found_decrypt || !found_class || !found_key_type) {
|
|
|
|
/* Hmm, let's slightly extend the attribute list we search for */
|
|
|
|
|
|
|
|
attributes_buffer = new(CK_ATTRIBUTE, n_attributes + !found_decrypt + !found_class + !found_key_type);
|
|
|
|
if (!attributes_buffer)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
memcpy(attributes_buffer, attributes, sizeof(CK_ATTRIBUTE) * n_attributes);
|
|
|
|
|
|
|
|
if (!found_decrypt) {
|
|
|
|
static const CK_BBOOL yes = true;
|
|
|
|
|
|
|
|
attributes_buffer[n_attributes++] = (CK_ATTRIBUTE) {
|
|
|
|
.type = CKA_DECRYPT,
|
|
|
|
.pValue = (CK_BBOOL*) &yes,
|
|
|
|
.ulValueLen = sizeof(yes),
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!found_class) {
|
|
|
|
static const CK_OBJECT_CLASS class = CKO_PRIVATE_KEY;
|
|
|
|
|
|
|
|
attributes_buffer[n_attributes++] = (CK_ATTRIBUTE) {
|
|
|
|
.type = CKA_CLASS,
|
|
|
|
.pValue = (CK_OBJECT_CLASS*) &class,
|
|
|
|
.ulValueLen = sizeof(class),
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!found_key_type) {
|
|
|
|
static const CK_KEY_TYPE type = CKK_RSA;
|
|
|
|
|
|
|
|
attributes_buffer[n_attributes++] = (CK_ATTRIBUTE) {
|
|
|
|
.type = CKA_KEY_TYPE,
|
|
|
|
.pValue = (CK_KEY_TYPE*) &type,
|
|
|
|
.ulValueLen = sizeof(type),
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
attributes = attributes_buffer;
|
|
|
|
}
|
|
|
|
|
|
|
|
rv = m->C_FindObjectsInit(session, attributes, n_attributes);
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to initialize object find call: %s", p11_kit_strerror(rv));
|
|
|
|
|
|
|
|
rv = m->C_FindObjects(session, objects, ELEMENTSOF(objects), &n_objects);
|
|
|
|
rv2 = m->C_FindObjectsFinal(session);
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to find objects: %s", p11_kit_strerror(rv));
|
|
|
|
if (rv2 != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to finalize object find call: %s", p11_kit_strerror(rv));
|
|
|
|
if (n_objects == 0)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(ENOENT),
|
|
|
|
"Failed to find selected private key suitable for decryption on token.");
|
|
|
|
if (n_objects > 1)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(ENOTUNIQ),
|
|
|
|
"Configured private key URI matches multiple keys, refusing.");
|
|
|
|
|
|
|
|
*ret_object = objects[0];
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int pkcs11_token_decrypt_data(
|
|
|
|
CK_FUNCTION_LIST *m,
|
|
|
|
CK_SESSION_HANDLE session,
|
|
|
|
CK_OBJECT_HANDLE object,
|
|
|
|
const void *encrypted_data,
|
|
|
|
size_t encrypted_data_size,
|
|
|
|
void **ret_decrypted_data,
|
|
|
|
size_t *ret_decrypted_data_size) {
|
|
|
|
|
|
|
|
static const CK_MECHANISM mechanism = {
|
|
|
|
.mechanism = CKM_RSA_PKCS
|
|
|
|
};
|
|
|
|
_cleanup_(erase_and_freep) CK_BYTE *dbuffer = NULL;
|
|
|
|
CK_ULONG dbuffer_size = 0;
|
|
|
|
CK_RV rv;
|
|
|
|
|
|
|
|
assert(m);
|
|
|
|
assert(encrypted_data);
|
|
|
|
assert(encrypted_data_size > 0);
|
|
|
|
assert(ret_decrypted_data);
|
|
|
|
assert(ret_decrypted_data_size);
|
|
|
|
|
|
|
|
rv = m->C_DecryptInit(session, (CK_MECHANISM*) &mechanism, object);
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to initialize decryption on security token: %s", p11_kit_strerror(rv));
|
|
|
|
|
|
|
|
dbuffer_size = encrypted_data_size; /* Start with something reasonable */
|
|
|
|
dbuffer = malloc(dbuffer_size);
|
|
|
|
if (!dbuffer)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
rv = m->C_Decrypt(session, (CK_BYTE*) encrypted_data, encrypted_data_size, dbuffer, &dbuffer_size);
|
|
|
|
if (rv == CKR_BUFFER_TOO_SMALL) {
|
|
|
|
erase_and_free(dbuffer);
|
|
|
|
|
|
|
|
dbuffer = malloc(dbuffer_size);
|
|
|
|
if (!dbuffer)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
rv = m->C_Decrypt(session, (CK_BYTE*) encrypted_data, encrypted_data_size, dbuffer, &dbuffer_size);
|
|
|
|
}
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to decrypt key on security token: %s", p11_kit_strerror(rv));
|
|
|
|
|
|
|
|
log_info("Successfully decrypted key with security token.");
|
|
|
|
|
|
|
|
*ret_decrypted_data = TAKE_PTR(dbuffer);
|
|
|
|
*ret_decrypted_data_size = dbuffer_size;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int pkcs11_token_acquire_rng(
|
|
|
|
CK_FUNCTION_LIST *m,
|
|
|
|
CK_SESSION_HANDLE session) {
|
|
|
|
|
|
|
|
_cleanup_free_ void *buffer = NULL;
|
|
|
|
size_t rps;
|
|
|
|
CK_RV rv;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(m);
|
|
|
|
|
|
|
|
/* While we are at it, let's read some RNG data from the PKCS#11 token and pass it to the kernel
|
|
|
|
* random pool. This should be cheap if we are talking to the device already. Note that we don't
|
|
|
|
* credit any entropy, since we don't know about the quality of the pkcs#11 token's RNG. Why bother
|
|
|
|
* at all? There are two sides to the argument whether to generate private keys on tokens or on the
|
|
|
|
* host. By crediting some data from the token RNG to the host's pool we at least can say that any
|
|
|
|
* key generated from it is at least as good as both sources individually. */
|
|
|
|
|
|
|
|
rps = random_pool_size();
|
|
|
|
|
|
|
|
buffer = malloc(rps);
|
|
|
|
if (!buffer)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
rv = m->C_GenerateRandom(session, buffer, rps);
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
return log_debug_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
|
|
|
|
"Failed to generate RNG data on security token: %s", p11_kit_strerror(rv));
|
|
|
|
|
2020-11-28 15:24:44 +01:00
|
|
|
r = random_write_entropy(-1, buffer, rps, false);
|
2019-11-05 11:49:27 +01:00
|
|
|
if (r < 0)
|
|
|
|
return log_debug_errno(r, "Failed to write PKCS#11 acquired random data to /dev/urandom: %m");
|
|
|
|
|
|
|
|
log_debug("Successfully written %zu bytes random data acquired via PKCS#11 to kernel random pool.", rps);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int token_process(
|
|
|
|
CK_FUNCTION_LIST *m,
|
|
|
|
CK_SLOT_ID slotid,
|
|
|
|
const CK_SLOT_INFO *slot_info,
|
|
|
|
const CK_TOKEN_INFO *token_info,
|
|
|
|
P11KitUri *search_uri,
|
|
|
|
pkcs11_find_token_callback_t callback,
|
|
|
|
void *userdata) {
|
|
|
|
|
|
|
|
_cleanup_free_ char *token_label = NULL;
|
|
|
|
CK_SESSION_HANDLE session;
|
|
|
|
CK_RV rv;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(m);
|
|
|
|
assert(slot_info);
|
|
|
|
assert(token_info);
|
|
|
|
|
|
|
|
token_label = pkcs11_token_label(token_info);
|
|
|
|
if (!token_label)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
rv = m->C_OpenSession(slotid, CKF_SERIAL_SESSION, NULL, NULL, &session);
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO),
|
|
|
|
"Failed to create session for security token '%s': %s", token_label, p11_kit_strerror(rv));
|
|
|
|
|
|
|
|
if (callback)
|
|
|
|
r = callback(m, session, slotid, slot_info, token_info, search_uri, userdata);
|
|
|
|
else
|
|
|
|
r = 1; /* if not callback was specified, just say we found what we were looking for */
|
|
|
|
|
|
|
|
rv = m->C_CloseSession(session);
|
|
|
|
if (rv != CKR_OK)
|
|
|
|
log_warning("Failed to close session on PKCS#11 token, ignoring: %s", p11_kit_strerror(rv));
|
|
|
|
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int slot_process(
|
|
|
|
CK_FUNCTION_LIST *m,
|
|
|
|
CK_SLOT_ID slotid,
|
|
|
|
P11KitUri *search_uri,
|
|
|
|
pkcs11_find_token_callback_t callback,
|
|
|
|
void *userdata) {
|
|
|
|
|
|
|
|
_cleanup_(p11_kit_uri_freep) P11KitUri* slot_uri = NULL, *token_uri = NULL;
|
|
|
|
_cleanup_free_ char *token_uri_string = NULL;
|
|
|
|
CK_TOKEN_INFO token_info;
|
|
|
|
CK_SLOT_INFO slot_info;
|
|
|
|
int uri_result;
|
|
|
|
CK_RV rv;
|
|
|
|
|
|
|
|
assert(m);
|
|
|
|
|
|
|
|
/* We return -EAGAIN for all failures we can attribute to a specific slot in some way, so that the
|
|
|
|
* caller might try other slots before giving up. */
|
|
|
|
|
|
|
|
rv = m->C_GetSlotInfo(slotid, &slot_info);
|
|
|
|
if (rv != CKR_OK) {
|
|
|
|
log_warning("Failed to acquire slot info for slot %lu, ignoring slot: %s", slotid, p11_kit_strerror(rv));
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
|
|
|
|
|
|
|
slot_uri = uri_from_slot_info(&slot_info);
|
|
|
|
if (!slot_uri)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
if (DEBUG_LOGGING) {
|
|
|
|
_cleanup_free_ char *slot_uri_string = NULL;
|
|
|
|
|
|
|
|
uri_result = p11_kit_uri_format(slot_uri, P11_KIT_URI_FOR_ANY, &slot_uri_string);
|
|
|
|
if (uri_result != P11_KIT_URI_OK) {
|
|
|
|
log_warning("Failed to format slot URI, ignoring slot: %s", p11_kit_uri_message(uri_result));
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
|
|
|
|
|
|
|
log_debug("Found slot with URI %s", slot_uri_string);
|
|
|
|
}
|
|
|
|
|
|
|
|
rv = m->C_GetTokenInfo(slotid, &token_info);
|
|
|
|
if (rv == CKR_TOKEN_NOT_PRESENT) {
|
2020-10-09 14:59:44 +02:00
|
|
|
return log_debug_errno(SYNTHETIC_ERRNO(EAGAIN),
|
|
|
|
"Token not present in slot, ignoring.");
|
2019-11-05 11:49:27 +01:00
|
|
|
} else if (rv != CKR_OK) {
|
|
|
|
log_warning("Failed to acquire token info for slot %lu, ignoring slot: %s", slotid, p11_kit_strerror(rv));
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
|
|
|
|
|
|
|
token_uri = uri_from_token_info(&token_info);
|
|
|
|
if (!token_uri)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
uri_result = p11_kit_uri_format(token_uri, P11_KIT_URI_FOR_ANY, &token_uri_string);
|
|
|
|
if (uri_result != P11_KIT_URI_OK) {
|
|
|
|
log_warning("Failed to format slot URI: %s", p11_kit_uri_message(uri_result));
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
|
|
|
|
2020-10-09 14:59:44 +02:00
|
|
|
if (search_uri && !p11_kit_uri_match_token_info(search_uri, &token_info))
|
|
|
|
return log_debug_errno(SYNTHETIC_ERRNO(EAGAIN),
|
|
|
|
"Found non-matching token with URI %s.",
|
|
|
|
token_uri_string);
|
2019-11-05 11:49:27 +01:00
|
|
|
|
|
|
|
log_debug("Found matching token with URI %s.", token_uri_string);
|
|
|
|
|
|
|
|
return token_process(
|
|
|
|
m,
|
|
|
|
slotid,
|
|
|
|
&slot_info,
|
|
|
|
&token_info,
|
|
|
|
search_uri,
|
|
|
|
callback,
|
|
|
|
userdata);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int module_process(
|
|
|
|
CK_FUNCTION_LIST *m,
|
|
|
|
P11KitUri *search_uri,
|
|
|
|
pkcs11_find_token_callback_t callback,
|
|
|
|
void *userdata) {
|
|
|
|
|
|
|
|
_cleanup_free_ char *name = NULL, *module_uri_string = NULL;
|
|
|
|
_cleanup_(p11_kit_uri_freep) P11KitUri* module_uri = NULL;
|
|
|
|
_cleanup_free_ CK_SLOT_ID *slotids = NULL;
|
|
|
|
CK_ULONG n_slotids = 0;
|
|
|
|
int uri_result;
|
|
|
|
CK_INFO info;
|
|
|
|
size_t k;
|
|
|
|
CK_RV rv;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(m);
|
|
|
|
|
|
|
|
/* We ignore most errors from modules here, in order to skip over faulty modules: one faulty module
|
|
|
|
* should not have the effect that we don't try the others anymore. We indicate such per-module
|
|
|
|
* failures with -EAGAIN, which let's the caller try the next module. */
|
|
|
|
|
|
|
|
name = p11_kit_module_get_name(m);
|
|
|
|
if (!name)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
log_debug("Trying PKCS#11 module %s.", name);
|
|
|
|
|
|
|
|
rv = m->C_GetInfo(&info);
|
|
|
|
if (rv != CKR_OK) {
|
|
|
|
log_warning("Failed to get info on PKCS#11 module, ignoring module: %s", p11_kit_strerror(rv));
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
|
|
|
|
|
|
|
module_uri = uri_from_module_info(&info);
|
|
|
|
if (!module_uri)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
uri_result = p11_kit_uri_format(module_uri, P11_KIT_URI_FOR_ANY, &module_uri_string);
|
|
|
|
if (uri_result != P11_KIT_URI_OK) {
|
|
|
|
log_warning("Failed to format module URI, ignoring module: %s", p11_kit_uri_message(uri_result));
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
|
|
|
|
|
|
|
log_debug("Found module with URI %s", module_uri_string);
|
|
|
|
|
|
|
|
rv = pkcs11_get_slot_list_malloc(m, &slotids, &n_slotids);
|
|
|
|
if (rv != CKR_OK) {
|
|
|
|
log_warning("Failed to get slot list, ignoring module: %s", p11_kit_strerror(rv));
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
2020-10-09 14:59:44 +02:00
|
|
|
if (n_slotids == 0)
|
|
|
|
return log_debug_errno(SYNTHETIC_ERRNO(EAGAIN),
|
|
|
|
"This module has no slots? Ignoring module.");
|
2019-11-05 11:49:27 +01:00
|
|
|
|
|
|
|
for (k = 0; k < n_slotids; k++) {
|
|
|
|
r = slot_process(
|
|
|
|
m,
|
|
|
|
slotids[k],
|
|
|
|
search_uri,
|
|
|
|
callback,
|
|
|
|
userdata);
|
|
|
|
if (r != -EAGAIN)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
|
|
|
|
|
|
|
int pkcs11_find_token(
|
|
|
|
const char *pkcs11_uri,
|
|
|
|
pkcs11_find_token_callback_t callback,
|
|
|
|
void *userdata) {
|
|
|
|
|
|
|
|
_cleanup_(p11_kit_modules_finalize_and_releasep) CK_FUNCTION_LIST **modules = NULL;
|
|
|
|
_cleanup_(p11_kit_uri_freep) P11KitUri *search_uri = NULL;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
/* Execute the specified callback for each matching token found. If nothing is found returns
|
|
|
|
* -EAGAIN. Logs about all errors, except for EAGAIN, which the caller has to log about. */
|
|
|
|
|
2020-04-16 09:44:55 +02:00
|
|
|
if (pkcs11_uri) {
|
|
|
|
r = uri_from_string(pkcs11_uri, &search_uri);
|
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to parse PKCS#11 URI '%s': %m", pkcs11_uri);
|
|
|
|
}
|
2019-11-05 11:49:27 +01:00
|
|
|
|
|
|
|
modules = p11_kit_modules_load_and_initialize(0);
|
|
|
|
if (!modules)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EIO), "Failed to initialize pkcs11 modules");
|
|
|
|
|
|
|
|
for (CK_FUNCTION_LIST **i = modules; *i; i++) {
|
|
|
|
r = module_process(
|
|
|
|
*i,
|
|
|
|
search_uri,
|
|
|
|
callback,
|
|
|
|
userdata);
|
|
|
|
if (r != -EAGAIN)
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
|
|
|
return -EAGAIN;
|
|
|
|
}
|
|
|
|
|
2020-11-24 15:08:20 +01:00
|
|
|
#if HAVE_OPENSSL
|
|
|
|
struct pkcs11_acquire_certificate_callback_data {
|
|
|
|
char *pin_used;
|
|
|
|
X509 *cert;
|
|
|
|
const char *askpw_friendly_name, *askpw_icon_name;
|
|
|
|
};
|
|
|
|
|
|
|
|
static void pkcs11_acquire_certificate_callback_data_release(struct pkcs11_acquire_certificate_callback_data *data) {
|
|
|
|
erase_and_free(data->pin_used);
|
|
|
|
X509_free(data->cert);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int pkcs11_acquire_certificate_callback(
|
|
|
|
CK_FUNCTION_LIST *m,
|
|
|
|
CK_SESSION_HANDLE session,
|
|
|
|
CK_SLOT_ID slot_id,
|
|
|
|
const CK_SLOT_INFO *slot_info,
|
|
|
|
const CK_TOKEN_INFO *token_info,
|
|
|
|
P11KitUri *uri,
|
|
|
|
void *userdata) {
|
|
|
|
|
|
|
|
_cleanup_(erase_and_freep) char *pin_used = NULL;
|
|
|
|
struct pkcs11_acquire_certificate_callback_data *data = userdata;
|
|
|
|
CK_OBJECT_HANDLE object;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(m);
|
|
|
|
assert(slot_info);
|
|
|
|
assert(token_info);
|
|
|
|
assert(uri);
|
|
|
|
assert(data);
|
|
|
|
|
|
|
|
/* Called for every token matching our URI */
|
|
|
|
|
|
|
|
r = pkcs11_token_login(m, session, slot_id, token_info, data->askpw_friendly_name, data->askpw_icon_name, "pkcs11-pin", UINT64_MAX, &pin_used);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
r = pkcs11_token_find_x509_certificate(m, session, uri, &object);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
r = pkcs11_token_read_x509_certificate(m, session, object, &data->cert);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
/* Let's read some random data off the token and write it to the kernel pool before we generate our
|
|
|
|
* random key from it. This way we can claim the quality of the RNG is at least as good as the
|
|
|
|
* kernel's and the token's pool */
|
|
|
|
(void) pkcs11_token_acquire_rng(m, session);
|
|
|
|
|
|
|
|
data->pin_used = TAKE_PTR(pin_used);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
int pkcs11_acquire_certificate(
|
|
|
|
const char *uri,
|
|
|
|
const char *askpw_friendly_name,
|
|
|
|
const char *askpw_icon_name,
|
|
|
|
X509 **ret_cert,
|
|
|
|
char **ret_pin_used) {
|
|
|
|
|
|
|
|
_cleanup_(pkcs11_acquire_certificate_callback_data_release) struct pkcs11_acquire_certificate_callback_data data = {
|
|
|
|
.askpw_friendly_name = askpw_friendly_name,
|
|
|
|
.askpw_icon_name = askpw_icon_name,
|
|
|
|
};
|
|
|
|
int r;
|
|
|
|
|
|
|
|
assert(uri);
|
|
|
|
assert(ret_cert);
|
|
|
|
|
|
|
|
r = pkcs11_find_token(uri, pkcs11_acquire_certificate_callback, &data);
|
|
|
|
if (r == -EAGAIN) /* pkcs11_find_token() doesn't log about this error, but all others */
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(ENXIO),
|
|
|
|
"Specified PKCS#11 token with URI '%s' not found.",
|
|
|
|
uri);
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
*ret_cert = TAKE_PTR(data.cert);
|
|
|
|
|
|
|
|
if (ret_pin_used)
|
|
|
|
*ret_pin_used = TAKE_PTR(data.pin_used);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2020-11-25 10:28:11 +01:00
|
|
|
#endif
|
|
|
|
|
|
|
|
static int list_callback(
|
|
|
|
CK_FUNCTION_LIST *m,
|
|
|
|
CK_SESSION_HANDLE session,
|
|
|
|
CK_SLOT_ID slot_id,
|
|
|
|
const CK_SLOT_INFO *slot_info,
|
|
|
|
const CK_TOKEN_INFO *token_info,
|
|
|
|
P11KitUri *uri,
|
|
|
|
void *userdata) {
|
|
|
|
|
|
|
|
_cleanup_free_ char *token_uri_string = NULL, *token_label = NULL, *token_manufacturer_id = NULL, *token_model = NULL;
|
|
|
|
_cleanup_(p11_kit_uri_freep) P11KitUri *token_uri = NULL;
|
|
|
|
Table *t = userdata;
|
|
|
|
int uri_result, r;
|
|
|
|
|
|
|
|
assert(slot_info);
|
|
|
|
assert(token_info);
|
|
|
|
|
|
|
|
/* We only care about hardware devices here with a token inserted. Let's filter everything else
|
|
|
|
* out. (Note that the user can explicitly specify non-hardware tokens if they like, but during
|
|
|
|
* enumeration we'll filter those, since software tokens are typically the system certificate store
|
|
|
|
* and such, and it's typically not what people want to bind their home directories to.) */
|
|
|
|
if (!FLAGS_SET(token_info->flags, CKF_HW_SLOT|CKF_TOKEN_PRESENT))
|
|
|
|
return -EAGAIN;
|
|
|
|
|
|
|
|
token_label = pkcs11_token_label(token_info);
|
|
|
|
if (!token_label)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
token_manufacturer_id = pkcs11_token_manufacturer_id(token_info);
|
|
|
|
if (!token_manufacturer_id)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
token_model = pkcs11_token_model(token_info);
|
|
|
|
if (!token_model)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
token_uri = uri_from_token_info(token_info);
|
|
|
|
if (!token_uri)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
uri_result = p11_kit_uri_format(token_uri, P11_KIT_URI_FOR_ANY, &token_uri_string);
|
|
|
|
if (uri_result != P11_KIT_URI_OK)
|
|
|
|
return log_warning_errno(SYNTHETIC_ERRNO(EAGAIN), "Failed to format slot URI: %s", p11_kit_uri_message(uri_result));
|
|
|
|
|
|
|
|
r = table_add_many(
|
|
|
|
t,
|
|
|
|
TABLE_STRING, token_uri_string,
|
|
|
|
TABLE_STRING, token_label,
|
|
|
|
TABLE_STRING, token_manufacturer_id,
|
|
|
|
TABLE_STRING, token_model);
|
|
|
|
if (r < 0)
|
|
|
|
return table_log_add_error(r);
|
|
|
|
|
|
|
|
return -EAGAIN; /* keep scanning */
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
int pkcs11_list_tokens(void) {
|
|
|
|
#if HAVE_P11KIT
|
|
|
|
_cleanup_(table_unrefp) Table *t = NULL;
|
|
|
|
int r;
|
|
|
|
|
|
|
|
t = table_new("uri", "label", "manufacturer", "model");
|
|
|
|
if (!t)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
r = pkcs11_find_token(NULL, list_callback, t);
|
|
|
|
if (r < 0 && r != -EAGAIN)
|
|
|
|
return r;
|
2020-11-24 15:08:20 +01:00
|
|
|
|
2020-11-25 10:28:11 +01:00
|
|
|
if (table_get_rows(t) <= 1) {
|
|
|
|
log_info("No suitable PKCS#11 tokens found.");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
r = table_print(t, stdout);
|
|
|
|
if (r < 0)
|
|
|
|
return log_error_errno(r, "Failed to show device table: %m");
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
#else
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
|
|
|
|
"PKCS#11 tokens not supported on this build.");
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
#if HAVE_P11KIT
|
|
|
|
static int auto_callback(
|
|
|
|
CK_FUNCTION_LIST *m,
|
|
|
|
CK_SESSION_HANDLE session,
|
|
|
|
CK_SLOT_ID slot_id,
|
|
|
|
const CK_SLOT_INFO *slot_info,
|
|
|
|
const CK_TOKEN_INFO *token_info,
|
|
|
|
P11KitUri *uri,
|
|
|
|
void *userdata) {
|
|
|
|
|
|
|
|
_cleanup_(p11_kit_uri_freep) P11KitUri *token_uri = NULL;
|
|
|
|
char **t = userdata;
|
|
|
|
int uri_result;
|
|
|
|
|
|
|
|
assert(slot_info);
|
|
|
|
assert(token_info);
|
|
|
|
|
|
|
|
if (!FLAGS_SET(token_info->flags, CKF_HW_SLOT|CKF_TOKEN_PRESENT))
|
|
|
|
return -EAGAIN;
|
|
|
|
|
|
|
|
if (*t)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(ENOTUNIQ),
|
|
|
|
"More than one suitable PKCS#11 token found.");
|
|
|
|
|
|
|
|
token_uri = uri_from_token_info(token_info);
|
|
|
|
if (!token_uri)
|
|
|
|
return log_oom();
|
|
|
|
|
|
|
|
uri_result = p11_kit_uri_format(token_uri, P11_KIT_URI_FOR_ANY, t);
|
|
|
|
if (uri_result != P11_KIT_URI_OK)
|
|
|
|
return log_warning_errno(SYNTHETIC_ERRNO(EAGAIN), "Failed to format slot URI: %s", p11_kit_uri_message(uri_result));
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2020-11-24 15:08:20 +01:00
|
|
|
#endif
|
2020-11-25 10:28:11 +01:00
|
|
|
|
|
|
|
int pkcs11_find_token_auto(char **ret) {
|
|
|
|
#if HAVE_P11KIT
|
|
|
|
int r;
|
|
|
|
|
|
|
|
r = pkcs11_find_token(NULL, auto_callback, ret);
|
|
|
|
if (r == -EAGAIN)
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(ENODEV), "No suitable PKCS#11 tokens found.");
|
|
|
|
if (r < 0)
|
|
|
|
return r;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
#else
|
|
|
|
return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP),
|
|
|
|
"PKCS#11 tokens not supported on this build.");
|
2019-11-05 11:49:27 +01:00
|
|
|
#endif
|
2020-11-25 10:28:11 +01:00
|
|
|
}
|