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devtools/onion: handle onions which are not 1300 bytes long.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2021-05-17 10:02:36 +09:30 • committed by Christian Decker
parent 64199d99fd
commit 2c9cb8c9e0
1 changed files with 4 additions and 3 deletions
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7
devtools/onion.c
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@ -130,7 +130,7 @@ static struct route_step *decode_with_privkey(const tal_t *ctx, const u8 *onion,
if (!hex_decode(hexprivkey, strlen(hexprivkey), &seckey, sizeof(seckey))) if (!hex_decode(hexprivkey, strlen(hexprivkey), &seckey, sizeof(seckey)))
errx(1, "Invalid private key hex '%s'", hexprivkey); errx(1, "Invalid private key hex '%s'", hexprivkey);
packet = parse_onionpacket(tmpctx, onion, TOTAL_PACKET_SIZE(ROUTING_INFO_SIZE), &why_bad); packet = parse_onionpacket(tmpctx, onion, tal_bytelen(onion), &why_bad);
if (!packet) if (!packet)
errx(1, "Error parsing message: %s", onion_wire_name(why_bad)); errx(1, "Error parsing message: %s", onion_wire_name(why_bad));
@ -147,7 +147,7 @@ static struct route_step *decode_with_privkey(const tal_t *ctx, const u8 *onion,
static void do_decode(int argc, char **argv, const u8 *assocdata) static void do_decode(int argc, char **argv, const u8 *assocdata)
{ {
const tal_t *ctx = talz(NULL, tal_t); const tal_t *ctx = talz(NULL, tal_t);
u8 serialized[TOTAL_PACKET_SIZE(ROUTING_INFO_SIZE)]; u8 *serialized;
struct route_step *step; struct route_step *step;
if (argc != 4) if (argc != 4)
@ -161,7 +161,8 @@ static void do_decode(int argc, char **argv, const u8 *assocdata)
while (isspace(hextemp[hexlen-1])) while (isspace(hextemp[hexlen-1]))
hexlen--; hexlen--;
if (!hex_decode(hextemp, hexlen, serialized, sizeof(serialized))) { serialized = tal_hexdata(hextemp, hextemp, hexlen);
if (!serialized) {
errx(1, "Invalid onion hex '%s'", hextemp); errx(1, "Invalid onion hex '%s'", hextemp);
} }