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Fix capdiff bug

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Quentin 2019-05-28 17:35:21 +02:00
parent ea94b7d7f8
commit a6ef0c26d5
1 changed files with 5 additions and 4 deletions
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9
src/capdiff.c
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@ -49,7 +49,8 @@ int main(int argc, char** argv) {
bpread[1].ip.ap.fmt.content.clear.id); bpread[1].ip.ap.fmt.content.clear.id);
}*/ }*/
uint8_t is_same_size = bpread[0].ip.ap.fmt.headers.size == bpread[1].ip.ap.fmt.headers.size; size_t s1 = bpread[0].ip.ap.fmt.headers.size, s2 = bpread[1].ip.ap.fmt.headers.size;
uint8_t is_same_size = s1 == s2;
if (!is_same_size) { if (!is_same_size) {
printf("[!!] %s packet has size %d, %s packet has size %d for expected id %d\n", printf("[!!] %s packet has size %d, %s packet has size %d for expected id %d\n",
argv[1], argv[1],
@ -65,10 +66,10 @@ int main(int argc, char** argv) {
bpread[0].ip.ap.fmt.headers.size); bpread[0].ip.ap.fmt.headers.size);
} }
size_t s1 = bpread[0].ip.ap.fmt.headers.size, s2 = bpread[1].ip.ap.fmt.headers.size;
size_t max_size = s1 > s2 ? s1 : s2; size_t max_size = s1 > s2 ? s1 : s2;
for (size_t idx = 0; idx < max_size; idx++) { for (size_t idx = 0; idx < max_size; idx++) {
char e1 = (&bpread[0].ip.ap.raw)[idx], e2 = (&bpread[0].ip.ap.raw)[idx]; char e1 = (&bpread[0].ip.ap.raw)[idx], e2 = (&bpread[1].ip.ap.raw)[idx];
if (e1 != e2) { if (e1 != e2) {
printf("[!!] for expected id %d, byte 0x%04x is different: 0x%02x vs 0x%02x\n", expected_id, (uint16_t)idx, (uint8_t)e1, (uint8_t)e2); printf("[!!] for expected id %d, byte 0x%04x is different: 0x%02x vs 0x%02x\n", expected_id, (uint16_t)idx, (uint8_t)e1, (uint8_t)e2);
} }
@ -82,6 +83,6 @@ int main(int argc, char** argv) {
fclose(fd[i]); fclose(fd[i]);
} }
printf("done\n"); printf("parsed %d packets\n", expected_id);
return 0; return 0;
} }