1 | /* |
2 | * Copyright (c) 2015-2016, Intel Corporation |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions are met: |
6 | * |
7 | * * Redistributions of source code must retain the above copyright notice, |
8 | * this list of conditions and the following disclaimer. |
9 | * * Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * * Neither the name of Intel Corporation nor the names of its contributors |
13 | * may be used to endorse or promote products derived from this software |
14 | * without specific prior written permission. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | #ifndef MCCLELLAN_H |
30 | #define MCCLELLAN_H |
31 | |
32 | #include "callback.h" |
33 | #include "ue2common.h" |
34 | |
35 | struct mq; |
36 | struct NFA; |
37 | |
38 | // 8-bit McClellan |
39 | |
40 | char nfaExecMcClellan8_testEOD(const struct NFA *nfa, const char *state, |
41 | const char *streamState, u64a offset, |
42 | NfaCallback callback, void *context); |
43 | char nfaExecMcClellan8_Q(const struct NFA *n, struct mq *q, s64a end); |
44 | char nfaExecMcClellan8_Q2(const struct NFA *n, struct mq *q, s64a end); |
45 | char nfaExecMcClellan8_QR(const struct NFA *n, struct mq *q, ReportID report); |
46 | char nfaExecMcClellan8_reportCurrent(const struct NFA *n, struct mq *q); |
47 | char nfaExecMcClellan8_inAccept(const struct NFA *n, ReportID report, |
48 | struct mq *q); |
49 | char nfaExecMcClellan8_inAnyAccept(const struct NFA *n, struct mq *q); |
50 | char nfaExecMcClellan8_queueInitState(const struct NFA *n, struct mq *q); |
51 | char nfaExecMcClellan8_initCompressedState(const struct NFA *n, u64a offset, |
52 | void *state, u8 key); |
53 | char nfaExecMcClellan8_queueCompressState(const struct NFA *nfa, |
54 | const struct mq *q, s64a loc); |
55 | char nfaExecMcClellan8_expandState(const struct NFA *nfa, void *dest, |
56 | const void *src, u64a offset, u8 key); |
57 | |
58 | #define nfaExecMcClellan8_B_Reverse NFA_API_NO_IMPL |
59 | #define nfaExecMcClellan8_zombie_status NFA_API_ZOMBIE_NO_IMPL |
60 | |
61 | // 16-bit McClellan |
62 | |
63 | char nfaExecMcClellan16_testEOD(const struct NFA *nfa, const char *state, |
64 | const char *streamState, u64a offset, |
65 | NfaCallback callback, void *context); |
66 | char nfaExecMcClellan16_Q(const struct NFA *n, struct mq *q, s64a end); |
67 | char nfaExecMcClellan16_Q2(const struct NFA *n, struct mq *q, s64a end); |
68 | char nfaExecMcClellan16_QR(const struct NFA *n, struct mq *q, ReportID report); |
69 | char nfaExecMcClellan16_reportCurrent(const struct NFA *n, struct mq *q); |
70 | char nfaExecMcClellan16_inAccept(const struct NFA *n, ReportID report, |
71 | struct mq *q); |
72 | char nfaExecMcClellan16_inAnyAccept(const struct NFA *n, struct mq *q); |
73 | char nfaExecMcClellan16_queueInitState(const struct NFA *n, struct mq *q); |
74 | char nfaExecMcClellan16_initCompressedState(const struct NFA *n, u64a offset, |
75 | void *state, u8 key); |
76 | char nfaExecMcClellan16_queueCompressState(const struct NFA *nfa, |
77 | const struct mq *q, s64a loc); |
78 | char nfaExecMcClellan16_expandState(const struct NFA *nfa, void *dest, |
79 | const void *src, u64a offset, u8 key); |
80 | |
81 | #define nfaExecMcClellan16_B_Reverse NFA_API_NO_IMPL |
82 | #define nfaExecMcClellan16_zombie_status NFA_API_ZOMBIE_NO_IMPL |
83 | |
84 | /** |
85 | * Simple streaming mode calls: |
86 | * - always uses the anchored start state regardless if top is set regardless of |
87 | * start_off |
88 | * - never checks eod |
89 | */ |
90 | void nfaExecMcClellan8_SimpStream(const struct NFA *nfa, char *state, |
91 | const u8 *buf, char top, size_t start_off, |
92 | size_t len, NfaCallback cb, void *ctxt); |
93 | |
94 | void nfaExecMcClellan16_SimpStream(const struct NFA *nfa, char *state, |
95 | const u8 *buf, char top, size_t start_off, |
96 | size_t len, NfaCallback cb, void *ctxt); |
97 | |
98 | /** |
99 | * Simple block mode calls: |
100 | * - always uses the anchored start state regardless of initial start |
101 | */ |
102 | |
103 | char nfaExecMcClellan8_B(const struct NFA *n, u64a offset, const u8 *buffer, |
104 | size_t length, NfaCallback cb, void *context); |
105 | |
106 | char nfaExecMcClellan16_B(const struct NFA *n, u64a offset, const u8 *buffer, |
107 | size_t length, NfaCallback cb, void *context); |
108 | |
109 | #endif |
110 | |