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suricata/src/output-json-common.c

129 lines
3.1 KiB
C

/* Copyright (C) 2018-2020 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*/
#include "suricata-common.h"
#include "output.h"
#include "output-json.h"
#include "util-buffer.h"
OutputJsonThreadCtx *CreateEveThreadCtx(ThreadVars *t, OutputJsonCtx *ctx)
{
OutputJsonThreadCtx *thread = SCCalloc(1, sizeof(*thread));
if (unlikely(thread == NULL)) {
return NULL;
}
thread->buffer = MemBufferCreateNew(JSON_OUTPUT_BUFFER_SIZE);
if (unlikely(thread->buffer == NULL)) {
goto error;
}
thread->file_ctx = LogFileEnsureExists(ctx->file_ctx);
if (!thread->file_ctx) {
goto error;
}
thread->ctx = ctx;
return thread;
error:
if (thread->buffer) {
MemBufferFree(thread->buffer);
}
SCFree(thread);
return NULL;
}
void FreeEveThreadCtx(OutputJsonThreadCtx *ctx)
{
if (ctx != NULL && ctx->buffer != NULL) {
MemBufferFree(ctx->buffer);
}
if (ctx != NULL) {
SCFree(ctx);
}
}
static void OutputJsonLogDeInitCtxSub(OutputCtx *output_ctx)
{
SCFree(output_ctx);
}
OutputInitResult OutputJsonLogInitSub(ConfNode *conf, OutputCtx *parent_ctx)
{
OutputInitResult result = { NULL, false };
OutputCtx *output_ctx = SCCalloc(1, sizeof(*output_ctx));
if (unlikely(output_ctx == NULL)) {
return result;
}
output_ctx->data = parent_ctx->data;
output_ctx->DeInit = OutputJsonLogDeInitCtxSub;
result.ctx = output_ctx;
result.ok = true;
return result;
}
TmEcode JsonLogThreadInit(ThreadVars *t, const void *initdata, void **data)
{
if (initdata == NULL) {
return TM_ECODE_FAILED;
}
OutputJsonThreadCtx *thread = SCCalloc(1, sizeof(*thread));
if (unlikely(thread == NULL)) {
return TM_ECODE_FAILED;
}
thread->buffer = MemBufferCreateNew(JSON_OUTPUT_BUFFER_SIZE);
if (unlikely(thread->buffer == NULL)) {
goto error_exit;
}
thread->ctx = ((OutputCtx *)initdata)->data;
thread->file_ctx = LogFileEnsureExists(thread->ctx->file_ctx);
if (!thread->file_ctx) {
goto error_exit;
}
*data = (void *)thread;
return TM_ECODE_OK;
error_exit:
if (thread->buffer) {
MemBufferFree(thread->buffer);
}
SCFree(thread);
return TM_ECODE_FAILED;
}
TmEcode JsonLogThreadDeinit(ThreadVars *t, void *data)
{
OutputJsonThreadCtx *thread = (OutputJsonThreadCtx *)data;
FreeEveThreadCtx(thread);
return TM_ECODE_OK;
}