Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

ndpi plugin support/v5 - fuzz fix test #12109

Closed
wants to merge 7 commits into from
Closed
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion examples/plugins/c-json-filetype/Makefile.in
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@

# But as this is an example in the Suricata source tree we'll look for
# includes in the source tree.
CPPFLAGS += -I@top_srcdir@/src -DHAVE_CONFIG_H
CPPFLAGS += -I@top_srcdir@/src -I@top_srcdir@/rust/gen -I@top_srcdir@/rust/dist -DHAVE_CONFIG_H

# Currently the Suricata logging system requires this to be even for
# plugins.
Expand Down
12 changes: 12 additions & 0 deletions src/Makefile.am
Original file line number Diff line number Diff line change
Expand Up @@ -317,6 +317,7 @@ noinst_HEADERS = \
feature.h \
flow-bit.h \
flow-bypass.h \
flow-callbacks.h \
flow.h \
flow-hash.h \
flow-manager.h \
Expand Down Expand Up @@ -437,6 +438,8 @@ noinst_HEADERS = \
suricata-common.h \
suricata.h \
suricata-plugin.h \
thread-callbacks.h \
thread-storage.h \
threads-debug.h \
threads.h \
threads-profile.h \
Expand Down Expand Up @@ -875,6 +878,7 @@ libsuricata_c_a_SOURCES = \
feature.c \
flow-bit.c \
flow-bypass.c \
flow-callbacks.c \
flow.c \
flow-hash.c \
flow-manager.c \
Expand Down Expand Up @@ -988,6 +992,8 @@ libsuricata_c_a_SOURCES = \
stream-tcp-sack.c \
stream-tcp-util.c \
suricata.c \
thread-callbacks.c \
thread-storage.c \
threads.c \
tm-modules.c \
tmqh-flow.c \
Expand Down Expand Up @@ -1168,6 +1174,12 @@ install-headers:
for header in $(noinst_HEADERS); do \
$(INSTALL_DATA) $$header "$(DESTDIR)${includedir}/suricata"; \
done
if test -e ../rust/dist/rust-bindings.h; then \
$(INSTALL_DATA) ../rust/dist/rust-bindings.h "$(DESTDIR)${includedir}/suricata"; \
fi
if test -e ../rust/gen/rust-bindings.h; then \
$(INSTALL_DATA) ../rust/gen/rust-bindings.h "$(DESTDIR)${includedir}/suricata"; \
fi

# Until we can remove autoconf.h from our headers, we need to to
# provide this for library/plugin users.
Expand Down
6 changes: 4 additions & 2 deletions src/detect-engine-register.c
Original file line number Diff line number Diff line change
Expand Up @@ -439,18 +439,20 @@ void SigTableCleanup(void)
}
}

void SigTableSetup(void)
void SigTableInit(void)
{
if (sigmatch_table == NULL) {
DETECT_TBLSIZE = DETECT_TBLSIZE_STATIC + DETECT_TBLSIZE_STEP;
sigmatch_table = SCCalloc(DETECT_TBLSIZE, sizeof(SigTableElmt));
if (sigmatch_table == NULL) {
DETECT_TBLSIZE = 0;
FatalError("Could not allocate sigmatch_table");
return;
}
}
}

void SigTableSetup(void)
{
DetectSidRegister();
DetectPriorityRegister();
DetectPrefilterRegister();
Expand Down
1 change: 1 addition & 0 deletions src/detect-engine-register.h
Original file line number Diff line number Diff line change
Expand Up @@ -338,6 +338,7 @@ extern int DETECT_TBLSIZE_IDX;
#define DETECT_TBLSIZE_STEP 256
int SigTableList(const char *keyword);
void SigTableCleanup(void);
void SigTableInit(void);
void SigTableSetup(void);
void SigTableRegisterTests(void);

Expand Down
129 changes: 129 additions & 0 deletions src/flow-callbacks.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,129 @@
/* Copyright (C) 2024 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.
*/

#include "flow-callbacks.h"

typedef struct FlowInitCallback_ {
SCFlowInitCallbackFn Callback;
void *user;
struct FlowInitCallback_ *next;
} FlowInitCallback;

static FlowInitCallback *init_callbacks = NULL;

typedef struct FlowUpdateCallback_ {
SCFlowUpdateCallbackFn Callback;
void *user;
struct FlowUpdateCallback_ *next;
} FlowUpdateCallback;

static FlowUpdateCallback *update_callbacks = NULL;

typedef struct FlowFinishCallback_ {
SCFlowFinishCallbackFn Callback;
void *user;
struct FlowFinishCallback_ *next;
} FlowFinishCallback;

static FlowFinishCallback *finish_callbacks = NULL;

bool SCFlowRegisterInitCallback(SCFlowInitCallbackFn fn, void *user)
{
FlowInitCallback *cb = SCCalloc(1, sizeof(*cb));
if (cb == NULL) {
return false;
}
cb->Callback = fn;
cb->user = user;
if (init_callbacks == NULL) {
init_callbacks = cb;
} else {
FlowInitCallback *current = init_callbacks;
while (current->next != NULL) {
current = current->next;
}
current->next = cb;
}
return true;
}

void SCFlowRunInitCallbacks(ThreadVars *tv, Flow *f, const Packet *p)
{
FlowInitCallback *cb = init_callbacks;
while (cb != NULL) {
cb->Callback(tv, f, p, cb->user);
cb = cb->next;
}
}

bool SCFlowRegisterUpdateCallback(SCFlowUpdateCallbackFn fn, void *user)
{
FlowUpdateCallback *cb = SCCalloc(1, sizeof(*cb));
if (cb == NULL) {
return false;
}
cb->Callback = fn;
cb->user = user;
if (update_callbacks == NULL) {
update_callbacks = cb;
} else {
FlowUpdateCallback *current = update_callbacks;
while (current->next != NULL) {
current = current->next;
}
current->next = cb;
}
return true;
}

void SCFlowRunUpdateCallbacks(ThreadVars *tv, Flow *f, Packet *p)
{
FlowUpdateCallback *cb = update_callbacks;
while (cb != NULL) {
cb->Callback(tv, f, p, cb->user);
cb = cb->next;
}
}

bool SCFlowRegisterFinishCallback(SCFlowFinishCallbackFn fn, void *user)
{
FlowFinishCallback *cb = SCCalloc(1, sizeof(*cb));
if (cb == NULL) {
return false;
}
cb->Callback = fn;
cb->user = user;
if (finish_callbacks == NULL) {
finish_callbacks = cb;
} else {
FlowFinishCallback *current = finish_callbacks;
while (current->next != NULL) {
current = current->next;
}
current->next = cb;
}
return true;
}

void SCFlowRunFinishCallbacks(ThreadVars *tv, Flow *f)
{
FlowFinishCallback *cb = finish_callbacks;
while (cb != NULL) {
cb->Callback(tv, f, cb->user);
cb = cb->next;
}
}
121 changes: 121 additions & 0 deletions src/flow-callbacks.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,121 @@
/* Copyright (C) 2024 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.
*/

#ifndef SURICATA_FLOW_CALLBACKS_H
#define SURICATA_FLOW_CALLBACKS_H

#include "suricata-common.h"
#include "flow.h"

/** \brief Function type for flow initialization callbacks.
*
* Once registered with SCFlowRegisterInitCallback, this function will
* be called every time a flow is initialized, or in other words,
* every time Suricata picks up a flow.
*
* \param tv The ThreadVars data structure for the thread creating the
* flow.
* \param f The newly initialized flow.
* \param p The packet related to creating the new flow.
* \param user The user data provided during callback registration.
*/
typedef void (*SCFlowInitCallbackFn)(ThreadVars *tv, Flow *f, const Packet *p, void *user);

/** \brief Register a flow init callback.
*
* Register a user provided function to be called every time a flow is
* initialized for use.
*
* \param fn Pointer to function to be called
* \param user Additional user data to be passed to callback
*
* \returns true if callback was registered, otherwise false if the
* callback could not be registered due to memory allocation error.
*/
bool SCFlowRegisterInitCallback(SCFlowInitCallbackFn fn, void *user);

/** \internal
*
* Run all registered flow init callbacks.
*/
void SCFlowRunInitCallbacks(ThreadVars *tv, Flow *f, const Packet *p);

/** \brief Function type for flow update callbacks.
*
* Once registered with SCFlowRegisterUpdateCallback, this function
* will be called every time a flow is updated by a packet (basically
* everytime a packet is seen on a flow).
*
* \param tv The ThreadVars data structure for the thread updating the
* flow.
* \param f The flow being updated.
* \param p The packet responsible for the flow update.
* \param user The user data provided during callback registration.
*/
typedef void (*SCFlowUpdateCallbackFn)(ThreadVars *tv, Flow *f, Packet *p, void *user);

/** \brief Register a flow update callback.
*
* Register a user provided function to be called everytime a flow is
* updated.
*
* \param fn Pointer to function to be called
* \param user Additional user data to be passed to callback
*
* \returns true if callback was registered, otherwise false if the
* callback could not be registered due to memory allocation error.
*/
bool SCFlowRegisterUpdateCallback(SCFlowUpdateCallbackFn fn, void *user);

/** \internal
*
* Run all registered flow update callbacks.
*/
void SCFlowRunUpdateCallbacks(ThreadVars *tv, Flow *f, Packet *p);

/** \brief Function type for flow finish callbacks.
*
* Once registered with SCFlowRegisterFinshCallback, this function
* will be called when Suricata is done with a flow.
*
* \param tv The ThreadVars data structure for the thread finishing
* the flow.
* \param f The flow being finshed.
* \param user The user data provided during callback registration.
*/
typedef void (*SCFlowFinishCallbackFn)(ThreadVars *tv, Flow *f, void *user);

/** \brief Register a flow init callback.
*
* Register a user provided function to be called every time a flow is
* finished.
*
* \param fn Pointer to function to be called
* \param user Additional user data to be passed to callback
*
* \returns true if callback was registered, otherwise false if the
* callback could not be registered due to memory allocation error.
*/
bool SCFlowRegisterFinishCallback(SCFlowFinishCallbackFn fn, void *user);

/** \internal
*
* Run all registered flow init callbacks.
*/
void SCFlowRunFinishCallbacks(ThreadVars *tv, Flow *f);

#endif /* SURICATA_FLOW_CALLBACKS_H */
8 changes: 5 additions & 3 deletions src/flow-hash.c
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@
#include "flow-storage.h"
#include "flow-timeout.h"
#include "flow-spare-pool.h"
#include "flow-callbacks.h"
#include "app-layer-parser.h"

#include "util-time.h"
Expand Down Expand Up @@ -781,7 +782,7 @@ static Flow *TcpReuseReplace(ThreadVars *tv, FlowLookupStruct *fls, FlowBucket *
fb->head = f;

/* initialize and return */
FlowInit(f, p);
FlowInit(tv, f, p);
f->flow_hash = hash;
f->fb = fb;
FlowUpdateState(f, FLOW_STATE_NEW);
Expand Down Expand Up @@ -886,7 +887,7 @@ Flow *FlowGetFlowFromHash(ThreadVars *tv, FlowLookupStruct *fls, Packet *p, Flow
fb->head = f;

/* got one, now lock, initialize and return */
FlowInit(f, p);
FlowInit(tv, f, p);
f->flow_hash = hash;
f->fb = fb;
FlowUpdateState(f, FLOW_STATE_NEW);
Expand Down Expand Up @@ -951,7 +952,7 @@ Flow *FlowGetFlowFromHash(ThreadVars *tv, FlowLookupStruct *fls, Packet *p, Flow
fb->head = f;

/* initialize and return */
FlowInit(f, p);
FlowInit(tv, f, p);
f->flow_hash = hash;
f->fb = fb;
FlowUpdateState(f, FLOW_STATE_NEW);
Expand Down Expand Up @@ -1242,6 +1243,7 @@ static Flow *FlowGetUsedFlow(ThreadVars *tv, DecodeThreadVars *dtv, const SCTime
}
#endif

SCFlowRunFinishCallbacks(tv, f);
FlowClearMemory(f, f->protomap);

/* leave locked */
Expand Down
3 changes: 2 additions & 1 deletion src/flow-manager.c
Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@
#include "flow-manager.h"
#include "flow-storage.h"
#include "flow-spare-pool.h"
#include "flow-callbacks.h"

#include "stream-tcp.h"
#include "stream-tcp-cache.h"
Expand Down Expand Up @@ -1059,7 +1060,7 @@ static void Recycler(ThreadVars *tv, FlowRecyclerThreadData *ftd, Flow *f)
StatsDecr(tv, ftd->counter_tcp_active_sessions);
}
StatsDecr(tv, ftd->counter_flow_active);

SCFlowRunFinishCallbacks(tv, f);
FlowClearMemory(f, f->protomap);
FLOWLOCK_UNLOCK(f);
}
Expand Down
Loading
Loading