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Check hex_decode(...) return value

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practicalswift 2018-03-19 09:20:51 +01:00 committed by Rusty Russell
parent 9efe123a0d
commit 148aaa79d5
1 changed files with 6 additions and 2 deletions
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8
devtools/onion.c
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@ -24,7 +24,9 @@ static void do_generate(int argc, char **argv)
memset(&assocdata, 'B', sizeof(assocdata));
for (int i = 0; i < num_hops; i++) {
hex_decode(argv[1 + i], 66, privkeys[i], 33);
if (!hex_decode(argv[1 + i], 66, privkeys[i], 33)) {
errx(1, "Invalid private key hex '%s'", argv[1 + i]);
}
if (secp256k1_ec_pubkey_create(secp256k1_ctx, &path[i].pubkey,
privkeys[i]) != 1)
errx(1, "Could not decode pubkey");
@ -76,7 +78,9 @@ static void do_decode(int argc, char **argv)
if (!read_all(STDIN_FILENO, hextemp, sizeof(hextemp)))
errx(1, "Reading in onion");
hex_decode(hextemp, sizeof(hextemp), serialized, sizeof(serialized));
if (!hex_decode(hextemp, sizeof(hextemp), serialized, sizeof(serialized))) {
errx(1, "Invalid onion hex '%s'", hextemp);
}
msg = parse_onionpacket(ctx, serialized, sizeof(serialized));