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/*
20140303
Jan Mojzis
Public domain.
*/
#include <unistd.h>
#include "run.h"
#include "fail.h"
#include "byte.h"
#include "packetparser.h"
/*
checks packetparser_uint8(), packetparser_uint32() function
and packetparser_end called more than once
*/
static void test1(void) {
unsigned char buf[4];
crypto_uint8 ch;
crypto_uint32 u;
long long i, pos = 0;
byte_copy(buf, 4, "abcd");
/* uint8 */
pos = 0;
for (i = 0; i < sizeof buf; ++i) {
pos = packetparser_uint8(buf, sizeof buf, pos, &ch);
if (ch != buf[i]) fail("failure");
}
if (pos != sizeof buf) fail("failure");
/* uint32 */
pos = 0;
pos = packetparser_uint8(buf, sizeof buf, 0, &ch);
pos = packetparser_uint32(buf, sizeof buf, 0, &u);
if (pos != sizeof buf) fail("failure");
pos = packetparser_end(buf, sizeof buf, pos);
pos = packetparser_end(buf, sizeof buf, pos);
pos = packetparser_end(buf, sizeof buf, pos);
}
/* checks if packetparser_skip() skips 0 bytes */
static void test2(void) {
unsigned char buf[5];
crypto_uint8 ch;
crypto_uint32 len;
long long i, pos = 0;
for (i = 0; i < sizeof buf; ++i) buf[i] = 0;
pos = packetparser_uint32(buf, sizeof buf, pos, &len);
if (len != 0) fail("failure");
pos = packetparser_skip(buf, sizeof buf, pos, len);
pos = packetparser_uint8(buf, sizeof buf, pos, &ch);
if (ch) fail("failure");
if (pos != sizeof buf) fail("failure");
pos = packetparser_end(buf, sizeof buf, pos);
pos = packetparser_end(buf, sizeof buf, pos);
pos = packetparser_end(buf, sizeof buf, pos);
}
/* checks if packetparser_copy() accepts 0 bytes */
static void test4(void) {
unsigned char buf[5];
unsigned char buf2[6];
crypto_uint8 ch;
crypto_uint32 len;
long long i, pos = 0;
for (i = 0; i < sizeof buf; ++i) buf[i] = 0;
pos = packetparser_uint32(buf, sizeof buf, pos, &len);
if (len != 0) fail("failure");
pos = packetparser_copy(buf, sizeof buf, pos, buf2, len);
pos = packetparser_uint8(buf, sizeof buf, pos, &ch);
if (ch) fail("failure");
if (pos != sizeof buf) fail("failure");
pos = packetparser_end(buf, sizeof buf, pos);
pos = packetparser_end(buf, sizeof buf, pos);
pos = packetparser_end(buf, sizeof buf, pos);
}
/* packetparser_skip() overflow */
static void _test3a(void) {
unsigned char buf[5];
long long pos = 0;
pos = packetparser_skip(buf, sizeof buf, pos, 6);
}
static void _test3aa(void) {
unsigned char buf[5];
long long len, pos;
len = pos = 9223372036854775807LL;
pos = packetparser_skip(buf, len, pos, 1);
}
/* packetparser_uint32() overflow */
static void _test3b(void) {
unsigned char buf[3];
crypto_uint32 u;
long long pos = 0;
pos = packetparser_uint32(buf, sizeof buf, pos, &u);
}
static void _test3bb(void) {
unsigned char buf[4];
crypto_uint32 u;
long long len, pos;
len = pos = 9223372036854775807LL;
pos = packetparser_uint32(buf, len, pos, &u);
}
/* packetparser_uint8() overflow */
static void _test3c(void) {
unsigned char buf[3];
crypto_uint8 ch;
long long pos = 0;
pos = packetparser_uint8(buf, sizeof buf, pos, &ch);
pos = packetparser_uint8(buf, sizeof buf, pos, &ch);
pos = packetparser_uint8(buf, sizeof buf, pos, &ch);
pos = packetparser_uint8(buf, sizeof buf, pos, &ch);
}
static void _test3cc(void) {
unsigned char buf[3];
crypto_uint8 ch;
long long len, pos;
len = pos = 9223372036854775807LL;
pos = packetparser_uint8(buf, len, pos, &ch);
}
/* packetparser_copy() overflow */
static void _test3d(void) {
unsigned char buf1[10];
unsigned char buf2[11];
long long pos = 0;
pos = packetparser_copy(buf1, sizeof buf1, pos, buf2, sizeof buf2);
}
static void _test3dd(void) {
unsigned char buf1[10];
unsigned char buf2[10];
long long len, pos;
len = pos = 9223372036854775807LL;
pos = packetparser_copy(buf1, len, pos, buf2, sizeof buf2);
}
/* packetparser_end() failure */
static void _test3e(void) {
unsigned char buf[1];
packetparser_end(buf, 0, 1);
}
static void _test3ee(void) {
unsigned char buf[1];
long long pos = 9223372036854775807LL;
packetparser_end(buf, pos, pos);
}
static void test3(void) {
run_mustfail(_test3a);
run_mustfail(_test3aa);
run_mustfail(_test3b);
run_mustfail(_test3bb);
run_mustfail(_test3c);
run_mustfail(_test3cc);
run_mustfail(_test3d);
run_mustfail(_test3dd);
run_mustfail(_test3e);
run_mustfail(_test3ee);
}
/* dummy test */
static void testdummy(void) {
_exit(0);
}
int main(void) {
test1();
test2();
test3();
test4();
run_mustpass(testdummy);
_exit(0);
}
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