1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <regex.h>
33 #include "ohos_types.h"
34 #include "los_config.h"
35 #include "Public.h"
36 #include "PCommon.h"
37 #include "fuzz_posix.h"
38
39 #define CYCLE_TOTAL_TIMES 1000
40 #define FUZZ_SYS_NAME_LEN 80
41 #define MAX_STR_BUF_LEN 10
42
43 extern S_ElementInit g_element[ELEMENT_LEN];
44 extern int g_iteration;
45
RegexFuzz(void)46 static uint32_t RegexFuzz(void)
47 {
48 int ret;
49 regex_t preg;
50 regmatch_t pmatch[1];
51 const size_t nmatch = 1;
52
53 const int initIntValue = 6;
54 const int initStrLen = 4;
55 const int maxStrLen = 5;
56 const int maxNumRange = 6;
57 const int maxNum1Range = 3;
58 int num;
59 int num1;
60 char *string1 = NULL;
61 char str1[MAX_STR_BUF_LEN] = {0};
62 char *string2 = NULL;
63 char str2[MAX_STR_BUF_LEN] = {0};
64
65 INIT_FuzzEnvironment();
66 CreatPrecondForQueue();
67
68 printf("RegexFuzz starts,count=%d\n", CYCLE_TOTAL_TIMES);
69 for (int i = 0; i < CYCLE_TOTAL_TIMES; i++) {
70 hi_watchdog_feed();
71 heartbeatPrint(i);
72
73 string1 = DT_SetGetString(&g_element[NUM_0_INDEX], initStrLen, maxStrLen, "CHN");
74 (void)strncpy_s(str1, MAX_STR_BUF_LEN, string1, maxStrLen);
75 str1[MAX_STR_BUF_LEN - 1] = '\0';
76 string2 = DT_SetGetString(&g_element[NUM_1_INDEX], initStrLen, maxStrLen, "CHN");
77 (void)strncpy_s(str2, MAX_STR_BUF_LEN, string2, maxStrLen);
78 str2[MAX_STR_BUF_LEN - 1] = '\0';
79
80 num = *((int *)DT_SetGetS32(&g_element[NUM_2_INDEX], initIntValue));
81 num = num % maxNumRange;
82 num1 = *((UINT32 *)DT_SetGetU32(&g_element[NUM_3_INDEX], initIntValue));
83 num1 = num1 % maxNum1Range;
84
85 ret = regcomp(&preg, str1, num);
86 if (ret != 0) {
87 regfree(&preg);
88 continue;
89 }
90 regexec(&preg, str2, nmatch, pmatch, num1);
91 regfree(&preg);
92 }
93
94 CleanPrecondForQueue();
95 DT_Clear(g_element);
96 CLOSE_Log();
97 CLEAR_FuzzEnvironment();
98
99 printf("Fuzz test in line [%d] regcomp/regexec/regfree ok\n", __LINE__);
100
101 return 0;
102 }
103
ItSuiteRegexFuzz(void)104 void ItSuiteRegexFuzz(void)
105 {
106 RegexFuzz();
107 }