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test(codec): differential coverage vs rsync and wire-golden updates

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Add tests/integration/test_codecs.py (accept/reject matrix and byte
differential against rsync 3.4.1 for every algorithm), extend the
checksum/compression unit tests with MD4/SHA1/none vectors and per-codec
round-trips, pin the new config golden (2.26.0), and update the version
strings and codec acceptance expectations.
This commit is contained in:
TapTap
2026-09-16 23:27:44 +02:00
parent 24b81c7e5a
commit 76a81f1684
10 changed files with 656 additions and 59 deletions
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tests/test_fuzz_smoke.c
+15 -15
View File
@@ -18,9 +18,9 @@
/* P8 config-frame tail: super_mode (4) + copy-as presence (4) + uid (4) + gid (4). */
#define P8_TAIL_BYTES 16
/* Protocol 2.23.0 appends one trailing bool (report_dest_info) AFTER the P8
* tail, so the P8 fields sit this many bytes before the end of the frame. */
#define OUTPUT_TAIL_BYTES 4
/* Bytes after the P8 tail: report_dest_info (4) and, since protocol 2.26.0,
* compression_algo (4). The P8 fields sit this many bytes before the end. */
#define POST_P8_TAIL_BYTES 8
/* Smoke test for chunk_deserialize fuzz target */
static void test_fuzz_chunk_deserialize() {
@@ -323,7 +323,7 @@ static void test_fuzz_config_receive_p8_tail() {
size_t len = 0;
bool captured = capture_config_frame(c, &frame, &len);
config_delete(c);
if (!captured || len <= P8_TAIL_BYTES) {
if (!captured || len <= P8_TAIL_BYTES + POST_P8_TAIL_BYTES) {
free(frame);
EXPECT_TRUE(false);
return;
@@ -337,31 +337,31 @@ static void test_fuzz_config_receive_p8_tail() {
/* super_mode outside the 0..2 tri-state is refused. */
memcpy(mut, frame, len);
put_i32(mut, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES, 99);
put_i32(mut, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES, 99);
EXPECT_FALSE(receive_config_frame(mut, len));
put_i32(mut, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES, -1);
put_i32(mut, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES, -1);
EXPECT_FALSE(receive_config_frame(mut, len));
/* A negative (sentinel) and an extreme copy-as uid/gid are refused. */
memcpy(mut, frame, len);
put_i32(mut, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES, SUPER_MODE_AUTO);
put_i32(mut, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES + 4, 1);
put_i32(mut, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES + 8, -1);
put_i32(mut, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES + 12, 0);
put_i32(mut, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES, SUPER_MODE_AUTO);
put_i32(mut, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES + 4, 1);
put_i32(mut, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES + 8, -1);
put_i32(mut, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES + 12, 0);
EXPECT_FALSE(receive_config_frame(mut, len));
put_i32(mut, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES + 8, 0);
put_i32(mut, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES + 12, INT32_MIN);
put_i32(mut, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES + 8, 0);
put_i32(mut, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES + 12, INT32_MIN);
EXPECT_FALSE(receive_config_frame(mut, len));
/* A presence int that is not a wire bool is refused. */
memcpy(mut, frame, len);
put_i32(mut, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES, SUPER_MODE_AUTO);
put_i32(mut, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES + 4, 2);
put_i32(mut, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES, SUPER_MODE_AUTO);
put_i32(mut, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES + 4, 2);
EXPECT_FALSE(receive_config_frame(mut, len));
/* Truncating anywhere inside the P8 tail is refused. */
EXPECT_FALSE(receive_config_frame(frame, len - 2));
EXPECT_FALSE(receive_config_frame(frame, len - OUTPUT_TAIL_BYTES - P8_TAIL_BYTES));
EXPECT_FALSE(receive_config_frame(frame, len - POST_P8_TAIL_BYTES - P8_TAIL_BYTES));
free(mut);
free(frame);