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palladum-lightning/common/test/run-wireaddr.c
Rusty Russell f8fd97fb5d global: replace randombytes_buf() with randbytes() wrapper. 
This allows us to override it for deterministic results.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-11-13 21:21:29 +10:30

266 lines
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#include "config.h"
#include <bitcoin/chainparams.h>
#include <common/amount.h>
#include <common/randbytes.h>
#include <common/setup.h>
#include <stdio.h>
int simple_get_ln_port(const struct chainparams *params);
#define chainparams_get_ln_port simple_get_ln_port
#include "../wireaddr.c"
#define DEFAULT_PORT simple_get_ln_port(NULL)
int simple_get_ln_port(const struct chainparams *params UNNEEDED)
{
return 9735;
}
/* AUTOGENERATED MOCKS START */
/* Generated stub for amount_asset_is_main */
bool amount_asset_is_main(struct amount_asset *asset UNNEEDED)
{ fprintf(stderr, "amount_asset_is_main called!\n"); abort(); }
/* Generated stub for amount_asset_to_sat */
struct amount_sat amount_asset_to_sat(struct amount_asset *asset UNNEEDED)
{ fprintf(stderr, "amount_asset_to_sat called!\n"); abort(); }
/* Generated stub for amount_feerate */
bool amount_feerate(u32 *feerate UNNEEDED, struct amount_sat fee UNNEEDED, size_t weight UNNEEDED)
{ fprintf(stderr, "amount_feerate called!\n"); abort(); }
/* Generated stub for amount_sat */
struct amount_sat amount_sat(u64 satoshis UNNEEDED)
{ fprintf(stderr, "amount_sat called!\n"); abort(); }
/* Generated stub for amount_sat_add */
bool amount_sat_add(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_add called!\n"); abort(); }
/* Generated stub for amount_sat_eq */
bool amount_sat_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_eq called!\n"); abort(); }
/* Generated stub for amount_sat_greater_eq */
bool amount_sat_greater_eq(struct amount_sat a UNNEEDED, struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_greater_eq called!\n"); abort(); }
/* Generated stub for amount_sat_sub */
bool amount_sat_sub(struct amount_sat *val UNNEEDED,
struct amount_sat a UNNEEDED,
struct amount_sat b UNNEEDED)
{ fprintf(stderr, "amount_sat_sub called!\n"); abort(); }
/* Generated stub for amount_sat_to_asset */
struct amount_asset amount_sat_to_asset(struct amount_sat *sat UNNEEDED, const u8 *asset UNNEEDED)
{ fprintf(stderr, "amount_sat_to_asset called!\n"); abort(); }
/* Generated stub for amount_tx_fee */
struct amount_sat amount_tx_fee(u32 fee_per_kw UNNEEDED, size_t weight UNNEEDED)
{ fprintf(stderr, "amount_tx_fee called!\n"); abort(); }
/* Generated stub for b32_decode */
u8 *b32_decode(const tal_t *ctx UNNEEDED, const char *str UNNEEDED, size_t len UNNEEDED)
{ fprintf(stderr, "b32_decode called!\n"); abort(); }
/* Generated stub for b32_encode */
char *b32_encode(const tal_t *ctx UNNEEDED, const void *data UNNEEDED, size_t len UNNEEDED)
{ fprintf(stderr, "b32_encode called!\n"); abort(); }
/* AUTOGENERATED MOCKS END */
int main(int argc, char *argv[])
{
struct wireaddr_internal addr, *expect = tal(NULL, struct wireaddr_internal);
common_setup(argv[0]);
/* Simple IPv4 address. */
assert(parse_wireaddr_internal(tmpctx, "127.0.0.1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_WIREADDR;
expect->u.wireaddr.is_websocket = false;
assert(parse_wireaddr(tmpctx, "127.0.0.1:9735", 0, NULL, &expect->u.wireaddr.wireaddr) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* IPv4 address with port. */
assert(parse_wireaddr_internal(tmpctx, "127.0.0.1:1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_WIREADDR;
expect->u.wireaddr.is_websocket = false;
assert(parse_wireaddr(tmpctx, "127.0.0.1:1", 0, NULL, &expect->u.wireaddr.wireaddr) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* Simple IPv6 address. */
assert(parse_wireaddr_internal(tmpctx, "::1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_WIREADDR;
expect->u.wireaddr.is_websocket = false;
assert(parse_wireaddr(tmpctx, "::1", DEFAULT_PORT, NULL, &expect->u.wireaddr.wireaddr) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* IPv6 address with port. */
assert(parse_wireaddr_internal(tmpctx, "[::1]:1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_WIREADDR;
expect->u.wireaddr.is_websocket = false;
assert(parse_wireaddr(tmpctx, "::1", 1, NULL, &expect->u.wireaddr.wireaddr) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* autotor address */
assert(parse_wireaddr_internal(tmpctx, "autotor:127.0.0.1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_AUTOTOR;
expect->u.torservice.port = DEFAULT_PORT;
assert(parse_wireaddr(tmpctx, "127.0.0.1", 9051, NULL, &expect->u.torservice.address) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* autotor address with port */
assert(parse_wireaddr_internal(tmpctx, "autotor:127.0.0.1:9055", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_AUTOTOR;
expect->u.torservice.port = DEFAULT_PORT;
assert(parse_wireaddr(tmpctx, "127.0.0.1", 9055, NULL, &expect->u.torservice.address) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* autotor address with torport */
assert(parse_wireaddr_internal(tmpctx, "autotor:127.0.0.1/torport=9055", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_AUTOTOR;
expect->u.torservice.port = 9055;
assert(parse_wireaddr(tmpctx, "127.0.0.1", 9051, NULL, &expect->u.torservice.address) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* autotor address with port and torport */
assert(parse_wireaddr_internal(tmpctx, "autotor:127.0.0.1:9055/torport=10055", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_AUTOTOR;
expect->u.torservice.port = 10055;
assert(parse_wireaddr(tmpctx, "127.0.0.1", 9055, NULL, &expect->u.torservice.address) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* statictor address */
assert(parse_wireaddr_internal(tmpctx, "statictor:127.0.0.1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_STATICTOR;
expect->u.torservice.port = DEFAULT_PORT;
memset(expect->u.torservice.blob, 0, sizeof(expect->u.torservice.blob));
strcpy((char *)expect->u.torservice.blob, STATIC_TOR_MAGIC_STRING);
assert(parse_wireaddr(tmpctx, "127.0.0.1", 9051, NULL, &expect->u.torservice.address) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* statictor address with port */
assert(parse_wireaddr_internal(tmpctx, "statictor:127.0.0.1:9055", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_STATICTOR;
expect->u.torservice.port = DEFAULT_PORT;
assert(parse_wireaddr(tmpctx, "127.0.0.1", 9055, NULL, &expect->u.torservice.address) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* statictor address with torport */
assert(parse_wireaddr_internal(tmpctx, "statictor:127.0.0.1/torport=9055", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_STATICTOR;
expect->u.torservice.port = 9055;
assert(parse_wireaddr(tmpctx, "127.0.0.1", 9051, NULL, &expect->u.torservice.address) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* statictor address with port and torport */
assert(parse_wireaddr_internal(tmpctx, "statictor:127.0.0.1:9055/torport=10055", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_STATICTOR;
expect->u.torservice.port = 10055;
assert(parse_wireaddr(tmpctx, "127.0.0.1", 9055, NULL, &expect->u.torservice.address) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* statictor address with port and torport and torblob */
assert(parse_wireaddr_internal(tmpctx, "statictor:127.0.0.1:9055/torport=10055/torblob=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_STATICTOR;
expect->u.torservice.port = 10055;
/* This is actually nul terminated */
memset(expect->u.torservice.blob, 'x', sizeof(expect->u.torservice.blob)-1);
assert(parse_wireaddr(tmpctx, "127.0.0.1", 9055, NULL, &expect->u.torservice.address) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* local socket path */
assert(parse_wireaddr_internal(tmpctx, "/tmp/foo.sock", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_SOCKNAME;
strcpy(expect->u.sockname, "/tmp/foo.sock");
assert(wireaddr_internal_eq(&addr, expect));
/* Websocket (only for IP addresses) */
assert(parse_wireaddr_internal(tmpctx, "ws:/tmp/foo.sock", DEFAULT_PORT, false, &addr) != NULL);
assert(parse_wireaddr_internal(tmpctx, "ws:127.0.0.1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_WIREADDR;
expect->u.wireaddr.is_websocket = true;
assert(parse_wireaddr(tmpctx, "127.0.0.1:9735", 0, NULL, &expect->u.wireaddr.wireaddr) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* Websocket: IPv4 address with port. */
assert(parse_wireaddr_internal(tmpctx, "ws:127.0.0.1:1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_WIREADDR;
expect->u.wireaddr.is_websocket = true;
assert(parse_wireaddr(tmpctx, "127.0.0.1:1", 0, NULL, &expect->u.wireaddr.wireaddr) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* Websocket: Simple IPv6 address. */
assert(parse_wireaddr_internal(tmpctx, "ws:::1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_WIREADDR;
expect->u.wireaddr.is_websocket = true;
assert(parse_wireaddr(tmpctx, "::1", DEFAULT_PORT, NULL, &expect->u.wireaddr.wireaddr) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* Websocket: IPv6 address with port. */
assert(parse_wireaddr_internal(tmpctx, "ws:[::1]:1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_WIREADDR;
expect->u.wireaddr.is_websocket = true;
assert(parse_wireaddr(tmpctx, "::1", 1, NULL, &expect->u.wireaddr.wireaddr) == NULL);
assert(wireaddr_internal_eq(&addr, expect));
/* Websocket: IPv4 & v6 address. */
assert(parse_wireaddr_internal(tmpctx, "ws:", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_ALLPROTO;
expect->u.allproto.is_websocket = true;
expect->u.allproto.port = DEFAULT_PORT;
assert(wireaddr_internal_eq(&addr, expect));
/* Websocket: IPv4 & v6 address with port */
assert(parse_wireaddr_internal(tmpctx, "ws::1", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_ALLPROTO;
expect->u.allproto.is_websocket = true;
expect->u.allproto.port = 1;
assert(wireaddr_internal_eq(&addr, expect));
/* Unresolved */
assert(parse_wireaddr_internal(tmpctx, "ozlabs.org", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_FORPROXY;
strcpy(expect->u.unresolved.name, "ozlabs.org");
expect->u.unresolved.port = DEFAULT_PORT;
assert(wireaddr_internal_eq(&addr, expect));
/* Unresolved with port */
assert(parse_wireaddr_internal(tmpctx, "ozlabs.org:1234", DEFAULT_PORT, false, &addr) == NULL);
expect->itype = ADDR_INTERNAL_FORPROXY;
strcpy(expect->u.unresolved.name, "ozlabs.org");
expect->u.unresolved.port = 1234;
assert(wireaddr_internal_eq(&addr, expect));
/*
* Test for an out-of-bounds bug in fromwire_wireaddr().
*
* This test reproduces a bug that occurs when decoding a DNS wireaddr
* of the maximum possible length (255 bytes). fromwire_wireaddr()
* would correctly read the 255 bytes of the address, but then attempt
* to write a null terminator at index 255, causing a one-byte
* overflow on the 255-byte destination buffer.
*
* The expected UBSan error is:
* common/wireaddr.c:51:3: runtime error: index 255 out of bounds for type 'u8[255]'
*/
const char *dnsaddr =
/* 63 'a' */ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa."
/* 63 'b' */ "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb."
/* 63 'c' */ "ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc."
/* 63 'd' */ "ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd";
struct wireaddr wa = {
.type = ADDR_TYPE_DNS,
.addrlen = 255,
.port = DEFAULT_PORT
};
memcpy(wa.addr, dnsaddr, wa.addrlen);
u8 *encoded_wa = tal_arr(tmpctx, u8, 0);
towire_wireaddr(&encoded_wa, &wa);
size_t encoded_wa_len = tal_bytelen(encoded_wa);
struct wireaddr decoded_wa;
assert(fromwire_wireaddr((const u8 **) &encoded_wa, &encoded_wa_len, &decoded_wa));
assert(wireaddr_eq(&wa, &decoded_wa));
tal_free(expect);
common_shutdown();
}
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