/src/suricata/src/stream.c
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1 | | /* Copyright (C) 2007-2017 Open Information Security Foundation |
2 | | * |
3 | | * You can copy, redistribute or modify this Program under the terms of |
4 | | * the GNU General Public License version 2 as published by the Free |
5 | | * Software Foundation. |
6 | | * |
7 | | * This program is distributed in the hope that it will be useful, |
8 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
9 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
10 | | * GNU General Public License for more details. |
11 | | * |
12 | | * You should have received a copy of the GNU General Public License |
13 | | * version 2 along with this program; if not, write to the Free Software |
14 | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
15 | | * 02110-1301, USA. |
16 | | */ |
17 | | |
18 | | /** |
19 | | * \file |
20 | | * |
21 | | * \author Victor Julien <victor@inliniac.net> |
22 | | */ |
23 | | |
24 | | #include "suricata-common.h" |
25 | | #include "decode.h" |
26 | | #include "threads.h" |
27 | | #include "stream.h" |
28 | | #include "util-pool.h" |
29 | | #include "util-debug.h" |
30 | | #include "stream-tcp.h" |
31 | | #include "flow-util.h" |
32 | | |
33 | | /** \brief Run callback for all segments in a single direction. |
34 | | * |
35 | | * Must be called under flow lock. |
36 | | * \var flag determines the direction to run callback on (either to server or to client). |
37 | | * |
38 | | * \return -1 in case of error, the number of segment in case of success |
39 | | */ |
40 | | int StreamSegmentForEach(const Packet *p, uint8_t flag, StreamSegmentCallback CallbackFunc, void *data) |
41 | 0 | { |
42 | 0 | switch(p->proto) { |
43 | 0 | case IPPROTO_TCP: |
44 | 0 | return StreamTcpSegmentForEach(p, flag, CallbackFunc, data); |
45 | 0 | break; |
46 | | #ifdef DEBUG |
47 | | case IPPROTO_UDP: |
48 | | SCLogWarning("UDP is currently unsupported"); |
49 | | break; |
50 | | default: |
51 | | SCLogWarning("This protocol is currently unsupported"); |
52 | | break; |
53 | | #endif |
54 | 0 | } |
55 | 0 | return 0; |
56 | 0 | } |
57 | | |
58 | | /** \brief Run callback for all segments on both directions of the session |
59 | | * |
60 | | * Must be called under flow lock. |
61 | | * |
62 | | * \return -1 in case of error, the number of segments in case of success. |
63 | | */ |
64 | | int StreamSegmentForSession( |
65 | | const Packet *p, uint8_t flag, StreamSegmentCallback CallbackFunc, void *data) |
66 | 0 | { |
67 | 0 | switch (p->proto) { |
68 | 0 | case IPPROTO_TCP: |
69 | 0 | return StreamTcpSegmentForSession(p, flag, CallbackFunc, data); |
70 | 0 | break; |
71 | | #ifdef DEBUG |
72 | | case IPPROTO_UDP: |
73 | | SCLogWarning("UDP is currently unsupported"); |
74 | | break; |
75 | | default: |
76 | | SCLogWarning("This protocol is currently unsupported"); |
77 | | break; |
78 | | #endif |
79 | 0 | } |
80 | 0 | return 0; |
81 | 0 | } |