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fishlim: Implement correct handling of long and UTF-8 messages

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This commit is contained in:
BakasuraRCE
2020-07-21 19:16:50 -05:00
committed by Patrick
parent bd3f3fa5f7
commit 078af20e8b
9 changed files with 413 additions and 66 deletions
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50
plugins/fishlim/tests/tests.c
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@@ -230,6 +230,54 @@ void __base64_cbc_len(void) {
}
}
/**
* Check the calculation of length limit for a plaintext in each encryption mode
*/
void __max_text_command_len(void) {
int max_encoded_len, plaintext_len;
enum fish_mode mode;
for (max_encoded_len = 0; max_encoded_len < 10000; ++max_encoded_len) {
for (mode = FISH_ECB_MODE; mode <= FISH_CBC_MODE; ++mode) {
plaintext_len = max_text_command_len(max_encoded_len, mode);
g_assert_cmpuint(encoded_len(plaintext_len, mode), <= , max_encoded_len);
}
}
}
/**
* Check the calculation of length limit for a plaintext in each encryption mode
*/
void __foreach_utf8_data_chunks(void) {
GRand *rand = NULL;
GString *chunks = NULL;
int tests, max_chunks_len, chunks_len;
char ascii_message[1001];
char *data_chunk = NULL;
rand = g_rand_new();
for (tests = 0; tests < 1000; ++tests) {
max_chunks_len = g_rand_int_range(rand, 2, 301);
random_string(ascii_message, 1000);
data_chunk = ascii_message;
chunks = g_string_new(NULL);
while (foreach_utf8_data_chunks(data_chunk, max_chunks_len, &chunks_len)) {
g_string_append(chunks, g_strndup(data_chunk, chunks_len));
/* Next chunk */
data_chunk += chunks_len;
}
/* Check data loss */
g_assert_cmpstr(chunks->str, == , ascii_message);
g_string_free(chunks, TRUE);
}
}
int main(int argc, char *argv[]) {
g_test_init(&argc, &argv, NULL);
@@ -240,6 +288,8 @@ int main(int argc, char *argv[]) {
g_test_add_func("/fishlim/__base64_fish_len", __base64_fish_len);
g_test_add_func("/fishlim/__base64_ecb_len", __base64_ecb_len);
g_test_add_func("/fishlim/__base64_cbc_len", __base64_cbc_len);
g_test_add_func("/fishlim/__max_text_command_len", __max_text_command_len);
g_test_add_func("/fishlim/__foreach_utf8_data_chunks", __foreach_utf8_data_chunks);
return g_test_run();
}