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pkcs11-util: split pkcs11_token_login function
Future systemd-pkcs11 plugin requires unlock via single call with supplied pin. To reduce needless code duplication in plugin itself split original pkcs_11_token_login call in two calls: new pkcs11_token_login_by_pin and the former where loop for retrying via PIN query callback remains.
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ed3d3af148
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@ -175,6 +175,55 @@ char *pkcs11_token_model(const CK_TOKEN_INFO *token_info) {
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return t;
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}
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int pkcs11_token_login_by_pin(
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CK_FUNCTION_LIST *m,
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CK_SESSION_HANDLE session,
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const CK_TOKEN_INFO *token_info,
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const char *token_label,
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const void *pin,
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size_t pin_size) {
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CK_RV rv;
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assert(m);
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assert(token_info);
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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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log_info("Successfully logged into security token '%s' via protected authentication path.", token_label);
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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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return 0;
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}
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if (!pin)
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return -ENOANO;
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rv = m->C_Login(session, CKU_USER, (CK_UTF8CHAR*) pin, pin_size);
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if (rv == CKR_OK) {
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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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log_notice("PIN for token '%s' is incorrect, please try again.", token_label);
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return -ENOLCK;
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}
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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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@ -209,24 +258,12 @@ int pkcs11_token_login(
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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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r = pkcs11_token_login_by_pin(m, session, token_info, token_label, /* pin= */ NULL, 0);
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if (r == 0 && ret_used_pin)
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*ret_used_pin = NULL;
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log_info("Successfully logged into security token '%s' via protected authentication path.", token_label);
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if (ret_used_pin)
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*ret_used_pin = NULL;
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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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if (ret_used_pin)
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*ret_used_pin = NULL;
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return 0;
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}
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if (r != -ENOANO) /* pin required */
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return r;
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token_uri_escaped = cescape(token_uri_string);
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if (!token_uri_escaped)
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@ -278,28 +315,19 @@ int pkcs11_token_login(
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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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r = pkcs11_token_login_by_pin(m, session, token_info, token_label, *i, strlen(*i));
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if (r == 0 && ret_used_pin) {
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char *c;
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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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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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*ret_used_pin = c;
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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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if (r != -ENOLCK)
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return r;
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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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@ -309,7 +337,6 @@ int pkcs11_token_login(
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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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@ -30,6 +30,7 @@ char *pkcs11_token_label(const CK_TOKEN_INFO *token_info);
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char *pkcs11_token_manufacturer_id(const CK_TOKEN_INFO *token_info);
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char *pkcs11_token_model(const CK_TOKEN_INFO *token_info);
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int pkcs11_token_login_by_pin(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session, const CK_TOKEN_INFO *token_info, const char *token_label, const void *pin, size_t pin_size);
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int pkcs11_token_login(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session, CK_SLOT_ID slotid, const CK_TOKEN_INFO *token_info, const char *friendly_name, const char *icon_name, const char *key_name, const char *credential_name, usec_t until, bool headless, char **ret_used_pin);
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int pkcs11_token_find_x509_certificate(CK_FUNCTION_LIST *m, CK_SESSION_HANDLE session, P11KitUri *search_uri, CK_OBJECT_HANDLE *ret_object);
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