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a55ce607a1
This is a subset of a "bitcoind: wrap callbacks in transaction." from the everything-in-transaction branch, but we need the ld pointer now. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
138 lines
4.0 KiB
C
138 lines
4.0 KiB
C
#include <assert.h>
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#include <ccan/str/hex/hex.h>
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#include <ccan/tal/str/str.h>
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#include <common/dev_disconnect.h>
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#include <common/status.h>
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#include <stdio.h>
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#include <wire/peer_wire.h>
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#include <wire/wire_io.h>
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#undef io_read
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#undef io_write
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static char *read_buf;
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static size_t read_buf_len;
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static void do_read(void *buf, size_t len)
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{
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assert(len <= read_buf_len);
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memcpy(buf, read_buf, len);
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read_buf += len;
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read_buf_len -= len;
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}
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#define io_read(conn, p, len, next, arg) \
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(do_read((p), (len)), (next)((conn), (arg)), NULL)
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static char *write_buf;
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static void do_write(const void *buf, size_t len)
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{
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size_t oldlen = tal_count(write_buf);
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tal_resize(&write_buf, oldlen + len);
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memcpy(write_buf + oldlen, buf, len);
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}
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#define io_write(conn, p, len, next, arg) \
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(do_write((p), (len)), (next)((conn), (arg)), NULL)
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#define status_trace(fmt, ...) \
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printf(fmt "\n", __VA_ARGS__)
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#if DEVELOPER
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/* AUTOGENERATED MOCKS START */
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/* Generated stub for dev_blackhole_fd */
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void dev_blackhole_fd(int fd UNNEEDED)
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{ fprintf(stderr, "dev_blackhole_fd called!\n"); abort(); }
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/* Generated stub for dev_sabotage_fd */
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void dev_sabotage_fd(int fd UNNEEDED)
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{ fprintf(stderr, "dev_sabotage_fd called!\n"); abort(); }
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/* AUTOGENERATED MOCKS END */
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enum dev_disconnect dev_disconnect(int pkt_type)
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{
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return DEV_DISCONNECT_NORMAL;
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}
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#endif /* DEVELOPER */
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/* We test what look like unknown messages. */
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#define is_unknown_msg_discardable(x) 0
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#include "../../common/cryptomsg.c"
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const void *trc;
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static struct io_plan *check_msg_write(struct io_conn *conn, struct peer *peer)
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{
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assert(tal_count(write_buf) == 2 + 16 + 5 + 16);
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return NULL;
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}
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static struct io_plan *check_msg_read(struct io_conn *conn, struct peer *peer,
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u8 *msg)
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{
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assert(tal_count(msg) == 5);
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assert(memcmp(msg, "hello", 5) == 0);
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return NULL;
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}
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static struct secret secret_from_hex(const char *hex)
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{
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struct secret secret;
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hex += 2;
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if (!hex_decode(hex, strlen(hex), &secret, sizeof(secret)))
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abort();
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return secret;
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}
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int main(void)
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{
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tal_t *tmpctx = tal_tmpctx(NULL);
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struct peer_crypto_state cs_out, cs_in;
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struct secret sk, rk, ck;
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const void *msg = tal_dup_arr(tmpctx, char, "hello", 5, 0);
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size_t i;
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trc = tal_tmpctx(tmpctx);
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/* BOLT #8:
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*
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* name: transport-initiator successful handshake
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*...
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* # ck,temp_k3=0x919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01,0x981a46c820fb7a241bc8184ba4bb1f01bcdfafb00dde80098cb8c38db9141520
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* # encryptWithAD(0x981a46c820fb7a241bc8184ba4bb1f01bcdfafb00dde80098cb8c38db9141520, 0x000000000000000000000000, 0x5dcb5ea9b4ccc755e0e3456af3990641276e1d5dc9afd82f974d90a47c918660, <empty>)
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* # t=0x8dc68b1c466263b47fdf31e560e139ba
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* output: 0x00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba
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* # HKDF(0x919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01,zero)
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* output: sk,rk=0x969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9,0xbb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442
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*/
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ck = secret_from_hex("0x919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01");
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sk = secret_from_hex("0x969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9");
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rk = secret_from_hex("0xbb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442");
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cs_out.cs.sn = cs_out.cs.rn = cs_in.cs.sn = cs_in.cs.rn = 0;
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cs_out.cs.sk = cs_in.cs.rk = sk;
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cs_out.cs.rk = cs_in.cs.sk = rk;
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cs_out.cs.s_ck = cs_out.cs.r_ck = cs_in.cs.s_ck = cs_in.cs.r_ck = ck;
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init_peer_crypto_state(tmpctx, &cs_in);
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init_peer_crypto_state(tmpctx, &cs_out);
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for (i = 0; i < 1002; i++) {
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write_buf = tal_arr(tmpctx, char, 0);
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peer_write_message(NULL, &cs_out, msg, check_msg_write);
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if ((i % 500) < 2)
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status_trace("output %zu: 0x%s", i,
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tal_hex(tmpctx, write_buf));
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read_buf = write_buf;
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read_buf_len = tal_count(read_buf);
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write_buf = tal_arr(tmpctx, char, 0);
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peer_read_message(NULL, &cs_in, check_msg_read);
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assert(read_buf_len == 0);
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}
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tal_free(tmpctx);
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return 0;
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}
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