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Bug #237 » 0002-fix-bytejump-segv-from-bug-237.patch

Anoop Saldanha, 09/10/2010 12:28 AM

View differences:

src/detect-bytejump.c
DetectBytejumpData *data = (DetectBytejumpData *)m->ctx;
uint8_t *ptr = NULL;
uint8_t *jumpptr = ptr;
uint32_t len = 0;
int32_t len = 0;
uint64_t val = 0;
int extbytes;
......
end:
return result;
}
int DetectByteJumpTestPacket03(void)
{
int result = 0;
uint8_t *buf = NULL;
uint16_t buflen = 0;
buf = malloc(4);
if (buf == NULL) {
printf("malloc failed\n");
exit(EXIT_FAILURE);
}
memcpy(buf, "boom", 4);
buflen = 4;
Packet *p;
p = UTHBuildPacket((uint8_t *)buf, buflen, IPPROTO_TCP);
if (p == NULL)
goto end;
char sig[] = "alert tcp any any -> any any (msg:\"byte_jump\"; "
"byte_jump:1,214748364; sid:1; rev:1;)";
result = !UTHPacketMatchSig(p, sig);
UTHFreePacket(p);
end:
if (buf != NULL)
free(buf);
return result;
}
#endif /* UNITTESTS */
......
UtRegisterTest("DetectBytejumpTestParse11", DetectBytejumpTestParse11, 1);
UtRegisterTest("DetectByteJumpTestPacket01", DetectByteJumpTestPacket01, 1);
UtRegisterTest("DetectByteJumpTestPacket02", DetectByteJumpTestPacket02, 1);
UtRegisterTest("DetectByteJumpTestPacket03", DetectByteJumpTestPacket03, 1);
#endif /* UNITTESTS */
}
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