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-rw-r--r--framework/src/suricata/src/output-packet.c241
1 files changed, 241 insertions, 0 deletions
diff --git a/framework/src/suricata/src/output-packet.c b/framework/src/suricata/src/output-packet.c
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+++ b/framework/src/suricata/src/output-packet.c
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+/* Copyright (C) 2007-2013 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>
+ *
+ * Packet Logger Output registration functions
+ */
+
+#include "suricata-common.h"
+#include "tm-modules.h"
+#include "output-packet.h"
+#include "util-profiling.h"
+
+typedef struct OutputLoggerThreadStore_ {
+ void *thread_data;
+ struct OutputLoggerThreadStore_ *next;
+} OutputLoggerThreadStore;
+
+/** per thread data for this module, contains a list of per thread
+ * data for the packet loggers. */
+typedef struct OutputLoggerThreadData_ {
+ OutputLoggerThreadStore *store;
+} OutputLoggerThreadData;
+
+/* logger instance, a module + a output ctx,
+ * it's perfectly valid that have multiple instances of the same
+ * log module (e.g. fast.log) with different output ctx'. */
+typedef struct OutputPacketLogger_ {
+ PacketLogger LogFunc;
+ PacketLogCondition ConditionFunc;
+ OutputCtx *output_ctx;
+ struct OutputPacketLogger_ *next;
+ const char *name;
+ TmmId module_id;
+} OutputPacketLogger;
+
+static OutputPacketLogger *list = NULL;
+
+int OutputRegisterPacketLogger(const char *name, PacketLogger LogFunc, PacketLogCondition ConditionFunc, OutputCtx *output_ctx)
+{
+ int module_id = TmModuleGetIdByName(name);
+ if (module_id < 0)
+ return -1;
+
+ OutputPacketLogger *op = SCMalloc(sizeof(*op));
+ if (op == NULL)
+ return -1;
+ memset(op, 0x00, sizeof(*op));
+
+ op->LogFunc = LogFunc;
+ op->ConditionFunc = ConditionFunc;
+ op->output_ctx = output_ctx;
+ op->name = name;
+ op->module_id = (TmmId) module_id;
+
+ if (list == NULL)
+ list = op;
+ else {
+ OutputPacketLogger *t = list;
+ while (t->next)
+ t = t->next;
+ t->next = op;
+ }
+
+ SCLogDebug("OutputRegisterPacketLogger happy");
+ return 0;
+}
+
+static TmEcode OutputPacketLog(ThreadVars *tv, Packet *p, void *thread_data, PacketQueue *pq, PacketQueue *postpq)
+{
+ BUG_ON(thread_data == NULL);
+ BUG_ON(list == NULL);
+
+ OutputLoggerThreadData *op_thread_data = (OutputLoggerThreadData *)thread_data;
+ OutputPacketLogger *logger = list;
+ OutputLoggerThreadStore *store = op_thread_data->store;
+
+ BUG_ON(logger == NULL && store != NULL);
+ BUG_ON(logger != NULL && store == NULL);
+ BUG_ON(logger == NULL && store == NULL);
+
+ while (logger && store) {
+ BUG_ON(logger->LogFunc == NULL || logger->ConditionFunc == NULL);
+
+ if ((logger->ConditionFunc(tv, (const Packet *)p)) == TRUE) {
+ PACKET_PROFILING_TMM_START(p, logger->module_id);
+ logger->LogFunc(tv, store->thread_data, (const Packet *)p);
+ PACKET_PROFILING_TMM_END(p, logger->module_id);
+ }
+
+ logger = logger->next;
+ store = store->next;
+
+ BUG_ON(logger == NULL && store != NULL);
+ BUG_ON(logger != NULL && store == NULL);
+ }
+
+ return TM_ECODE_OK;
+}
+
+/** \brief thread init for the packet logger
+ * This will run the thread init functions for the individual registered
+ * loggers */
+static TmEcode OutputPacketLogThreadInit(ThreadVars *tv, void *initdata, void **data)
+{
+ OutputLoggerThreadData *td = SCMalloc(sizeof(*td));
+ if (td == NULL)
+ return TM_ECODE_FAILED;
+ memset(td, 0x00, sizeof(*td));
+
+ *data = (void *)td;
+
+ SCLogDebug("OutputPacketLogThreadInit happy (*data %p)", *data);
+
+ OutputPacketLogger *logger = list;
+ while (logger) {
+ TmModule *tm_module = TmModuleGetByName((char *)logger->name);
+ if (tm_module == NULL) {
+ SCLogError(SC_ERR_INVALID_ARGUMENT,
+ "TmModuleGetByName for %s failed", logger->name);
+ exit(EXIT_FAILURE);
+ }
+
+ if (tm_module->ThreadInit) {
+ void *retptr = NULL;
+ if (tm_module->ThreadInit(tv, (void *)logger->output_ctx, &retptr) == TM_ECODE_OK) {
+ OutputLoggerThreadStore *ts = SCMalloc(sizeof(*ts));
+/* todo */ BUG_ON(ts == NULL);
+ memset(ts, 0x00, sizeof(*ts));
+
+ /* store thread handle */
+ ts->thread_data = retptr;
+
+ if (td->store == NULL) {
+ td->store = ts;
+ } else {
+ OutputLoggerThreadStore *tmp = td->store;
+ while (tmp->next != NULL)
+ tmp = tmp->next;
+ tmp->next = ts;
+ }
+
+ SCLogDebug("%s is now set up", logger->name);
+ }
+ }
+
+ logger = logger->next;
+ }
+
+ return TM_ECODE_OK;
+}
+
+static TmEcode OutputPacketLogThreadDeinit(ThreadVars *tv, void *thread_data)
+{
+ OutputLoggerThreadData *op_thread_data = (OutputLoggerThreadData *)thread_data;
+ OutputLoggerThreadStore *store = op_thread_data->store;
+ OutputPacketLogger *logger = list;
+
+ while (logger && store) {
+ TmModule *tm_module = TmModuleGetByName((char *)logger->name);
+ if (tm_module == NULL) {
+ SCLogError(SC_ERR_INVALID_ARGUMENT,
+ "TmModuleGetByName for %s failed", logger->name);
+ exit(EXIT_FAILURE);
+ }
+
+ if (tm_module->ThreadDeinit) {
+ tm_module->ThreadDeinit(tv, store->thread_data);
+ }
+
+ OutputLoggerThreadStore *next_store = store->next;
+ SCFree(store);
+ store = next_store;
+
+ logger = logger->next;
+ }
+ return TM_ECODE_OK;
+}
+
+static void OutputPacketLogExitPrintStats(ThreadVars *tv, void *thread_data)
+{
+ OutputLoggerThreadData *op_thread_data = (OutputLoggerThreadData *)thread_data;
+ OutputLoggerThreadStore *store = op_thread_data->store;
+ OutputPacketLogger *logger = list;
+
+ while (logger && store) {
+ TmModule *tm_module = TmModuleGetByName((char *)logger->name);
+ if (tm_module == NULL) {
+ SCLogError(SC_ERR_INVALID_ARGUMENT,
+ "TmModuleGetByName for %s failed", logger->name);
+ exit(EXIT_FAILURE);
+ }
+
+ if (tm_module->ThreadExitPrintStats) {
+ tm_module->ThreadExitPrintStats(tv, store->thread_data);
+ }
+
+ logger = logger->next;
+ store = store->next;
+ }
+}
+
+void TmModulePacketLoggerRegister (void)
+{
+ tmm_modules[TMM_PACKETLOGGER].name = "__packet_logger__";
+ tmm_modules[TMM_PACKETLOGGER].ThreadInit = OutputPacketLogThreadInit;
+ tmm_modules[TMM_PACKETLOGGER].Func = OutputPacketLog;
+ tmm_modules[TMM_PACKETLOGGER].ThreadExitPrintStats = OutputPacketLogExitPrintStats;
+ tmm_modules[TMM_PACKETLOGGER].ThreadDeinit = OutputPacketLogThreadDeinit;
+ tmm_modules[TMM_PACKETLOGGER].cap_flags = 0;
+}
+
+void OutputPacketShutdown(void)
+{
+ OutputPacketLogger *logger = list;
+ while (logger) {
+ OutputPacketLogger *next_logger = logger->next;
+ SCFree(logger);
+ logger = next_logger;
+ }
+
+ /* reset list pointer */
+ list = NULL;
+}