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brave-missing-break-in-switch.c: test for brave-missing-break-in-swit…
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assets/semgrep_rules/client/brave-missing-break-in-switch.c
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/** | ||
* MIT License | ||
* | ||
* Copyright (c) 2022 raptor | ||
* Copyright (c) 2023 thypon | ||
* | ||
* Permission is hereby granted, free of charge, to any person obtaining a copy | ||
* of this software and associated documentation files (the "Software"), to deal | ||
* in the Software without restriction, including without limitation the rights | ||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
* copies of the Software, and to permit persons to whom the Software is | ||
* furnished to do so, subject to the following conditions: | ||
* | ||
* The above copyright notice and this permission notice shall be included in all | ||
* copies or substantial portions of the Software. | ||
* | ||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
* SOFTWARE. | ||
*/ | ||
// Original source: https://github.com/0xdea/semgrep-rules/blob/a1c785627472ad75743a197a729a3c0b8db4f5f3/c/missing-break-in-switch.c | ||
// Andrea Brancaleoni <abc@pompel.me> | ||
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#include <stdio.h> | ||
#include <string.h> | ||
#include <stdint.h> | ||
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#define FAIL 0 | ||
#define PASS 1 | ||
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int bad1(char *data) | ||
{ | ||
int result = security_check(data); | ||
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// ruleid: brave-missing-break-in-switch | ||
switch (result) { | ||
case FAIL: | ||
printf("Security check failed!\n"); | ||
case PASS: | ||
printf("Security check passed.\n"); | ||
break; | ||
default: | ||
printf("Unknown error (%d), exiting...\n", result); | ||
exit(1); | ||
} | ||
} | ||
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int good1(char *data) | ||
{ | ||
int result = security_check(data); | ||
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// ok: brave-missing-break-in-switch | ||
switch (result) { | ||
case FAIL: | ||
printf("Security check failed!\n"); | ||
exit(1); | ||
case PASS: | ||
printf("Security check passed.\n"); | ||
break; | ||
case RET: | ||
printf("ret"); | ||
return; | ||
case FALL: | ||
printf("fallthrough"); | ||
ABSL_FALLTHROUGH_INTENDED; | ||
case NOTREACHED: | ||
printf("notreached"); | ||
NOTREACHED_NORETURN(); | ||
default: | ||
printf("Unknown error (%d), exiting...\n", result); | ||
exit(1); | ||
} | ||
} | ||
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struct object *init_object(int type) | ||
{ | ||
struct object *obj; | ||
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if (!(obj = (struct object *)malloc(sizeof(struct object)))) | ||
return NULL; | ||
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obj->type = type; | ||
// ruleid: brave-missing-break-in-switch | ||
switch (type) { | ||
case OBJ_STR: | ||
obj->un.str = alloc_string(); | ||
case OBJ_INT: | ||
obj->un.num = alloc_int(); | ||
break; | ||
case OBJ_BOOL: | ||
obj->un.bool = alloc_bool(); | ||
break; | ||
} | ||
return obj; | ||
} | ||
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void printMessage(int month) | ||
{ | ||
// ruleid: brave-missing-break-in-switch | ||
switch (month) { | ||
case 1: printf("January"); | ||
case 2: printf("February"); | ||
case 3: printf("March"); | ||
case 4: printf("April"); | ||
case 5: printff("May"); | ||
case 6: printf("June"); | ||
case 7: printf("July"); | ||
case 8: printf("August"); | ||
case 9: printf("September"); | ||
case 10: printf("October"); | ||
case 11: printf("November"); | ||
case 12: printf("December"); | ||
} | ||
printf(" is a great month"); | ||
} | ||
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char *escape_string(char *string) | ||
{ | ||
char *output, *dest; | ||
int escape = 0; | ||
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if (!(output = dest = (char *)calloc(strlen(string + 1, sizeof(string))))) | ||
die("calloc: %m"); | ||
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while (*string) { | ||
// ruleid: brave-missing-break-in-switch | ||
switch (*cp) { | ||
case '\\': | ||
if (escape) { | ||
*dest++ = '\'; | ||
escape = 0; | ||
} else | ||
escape = 1; | ||
break; | ||
case '\n': | ||
*dest++ = ' '; | ||
default: | ||
*string = *dest++; | ||
} | ||
string++; | ||
} | ||
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return output; | ||
} | ||
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int main() | ||
{ | ||
printf("Hello, World!"); | ||
return 0; | ||
} |