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1d632c3924
Call the internal driver callbacks rather than the public APIs to avoid calling unnecessarily the error dispatching code and don't overwrite the error messages provided by the APIs. They are good enough to describe which secret is missing either by UUID or the usage (basically name).
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/*
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* secret_util.c: secret related utility functions
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*
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* Copyright (C) 2016 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#include <config.h>
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#include "secret_util.h"
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#include "viralloc.h"
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#include "virerror.h"
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#include "virlog.h"
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#include "virobject.h"
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#include "viruuid.h"
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#include "base64.h"
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#include "datatypes.h"
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#define VIR_FROM_THIS VIR_FROM_SECRET
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VIR_LOG_INIT("secret.secret_util");
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/* virSecretGetSecretString:
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* @conn: Pointer to the connection driver to make secret driver call
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* @encoded: Whether the returned secret needs to be base64 encoded
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* @authdef: Pointer to the disk storage authentication
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* @secretUsageType: Type of secret usage for authdef lookup
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*
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* Lookup the secret for the authdef usage type and return it either as
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* raw text or encoded based on the caller's need.
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*
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* Returns a pointer to memory that needs to be cleared and free'd after
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* usage or NULL on error.
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*/
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char *
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virSecretGetSecretString(virConnectPtr conn,
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bool encoded,
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virStorageAuthDefPtr authdef,
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virSecretUsageType secretUsageType)
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{
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size_t secret_size;
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virSecretPtr sec = NULL;
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char *secret = NULL;
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switch (authdef->secretType) {
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case VIR_STORAGE_SECRET_TYPE_UUID:
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sec = conn->secretDriver->secretLookupByUUID(conn, authdef->secret.uuid);
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break;
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case VIR_STORAGE_SECRET_TYPE_USAGE:
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sec = conn->secretDriver->secretLookupByUsage(conn, secretUsageType,
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authdef->secret.usage);
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break;
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}
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if (!sec)
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goto cleanup;
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secret = (char *)conn->secretDriver->secretGetValue(sec, &secret_size, 0,
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VIR_SECRET_GET_VALUE_INTERNAL_CALL);
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if (!secret)
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goto cleanup;
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if (encoded) {
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char *base64 = NULL;
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base64_encode_alloc(secret, secret_size, &base64);
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VIR_FREE(secret);
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if (!base64) {
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virReportOOMError();
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goto cleanup;
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}
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secret = base64;
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}
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cleanup:
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virObjectUnref(sec);
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return secret;
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}
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