rgb-cln/lightningd/test/run-cryptomsg.c

132 lines
3.7 KiB
C

#include <assert.h>
#include <ccan/str/hex/hex.h>
#include <ccan/tal/str/str.h>
#include <lightningd/dev_disconnect.h>
#include <lightningd/status.h>
#include <stdio.h>
#include <wire/peer_wire.h>
#include <wire/wire_io.h>
#undef io_read
#undef io_write
static char *read_buf;
static size_t read_buf_len;
static void do_read(void *buf, size_t len)
{
assert(len <= read_buf_len);
memcpy(buf, read_buf, len);
read_buf += len;
read_buf_len -= len;
}
#define io_read(conn, p, len, next, arg) \
(do_read((p), (len)), (next)((conn), (arg)), NULL)
static char *write_buf;
static void do_write(const void *buf, size_t len)
{
size_t oldlen = tal_count(write_buf);
tal_resize(&write_buf, oldlen + len);
memcpy(write_buf + oldlen, buf, len);
}
#define io_write(conn, p, len, next, arg) \
(do_write((p), (len)), (next)((conn), (arg)), NULL)
#define status_trace(fmt, ...) \
printf(fmt "\n", __VA_ARGS__)
void dev_sabotage_fd(int fd)
{
abort();
}
char dev_disconnect(int pkt_type)
{
return DEV_DISCONNECT_NORMAL;
}
/* We test what look like unknown messages. */
#define unknown_msg_discardable(x) 0
#include "../cryptomsg.c"
const void *trc;
static struct io_plan *check_msg_write(struct io_conn *conn, struct peer *peer)
{
assert(tal_count(write_buf) == 2 + 16 + 5 + 16);
return NULL;
}
static struct io_plan *check_msg_read(struct io_conn *conn, struct peer *peer,
u8 *msg)
{
assert(tal_count(msg) == 5);
assert(memcmp(msg, "hello", 5) == 0);
return NULL;
}
static struct secret secret_from_hex(const char *hex)
{
struct secret secret;
hex += 2;
if (!hex_decode(hex, strlen(hex), &secret, sizeof(secret)))
abort();
return secret;
}
int main(void)
{
tal_t *tmpctx = tal_tmpctx(NULL);
struct peer_crypto_state cs_out, cs_in;
struct secret sk, rk, ck;
const void *msg = tal_dup_arr(tmpctx, char, "hello", 5, 0);
size_t i;
trc = tal_tmpctx(tmpctx);
/* BOLT #8:
*
* name: transport-initiator successful handshake
*...
* # ck,temp_k3=0x919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01,0x981a46c820fb7a241bc8184ba4bb1f01bcdfafb00dde80098cb8c38db9141520
* # encryptWithAD(0x981a46c820fb7a241bc8184ba4bb1f01bcdfafb00dde80098cb8c38db9141520, 0x000000000000000000000000, 0x5dcb5ea9b4ccc755e0e3456af3990641276e1d5dc9afd82f974d90a47c918660, <empty>)
* # t=0x8dc68b1c466263b47fdf31e560e139ba
* output: 0x00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba
* # HKDF(0x919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01,zero)
* output: sk,rk=0x969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9,0xbb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442
*/
ck = secret_from_hex("0x919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01");
sk = secret_from_hex("0x969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9");
rk = secret_from_hex("0xbb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442");
cs_out.cs.sn = cs_out.cs.rn = cs_in.cs.sn = cs_in.cs.rn = 0;
cs_out.cs.sk = cs_in.cs.rk = sk;
cs_out.cs.rk = cs_in.cs.sk = rk;
cs_out.cs.s_ck = cs_out.cs.r_ck = cs_in.cs.s_ck = cs_in.cs.r_ck = ck;
init_peer_crypto_state(tmpctx, &cs_in);
init_peer_crypto_state(tmpctx, &cs_out);
for (i = 0; i < 1002; i++) {
write_buf = tal_arr(tmpctx, char, 0);
peer_write_message(NULL, &cs_out, msg, check_msg_write);
if ((i % 500) < 2)
status_trace("output %zu: 0x%s", i,
tal_hex(tmpctx, write_buf));
read_buf = write_buf;
read_buf_len = tal_count(read_buf);
write_buf = tal_arr(tmpctx, char, 0);
peer_read_message(NULL, &cs_in, check_msg_read);
assert(read_buf_len == 0);
}
tal_free(tmpctx);
return 0;
}