Commit Graph

67 Commits

Author SHA1 Message Date
Rusty Russell 6c33f7db65 common: remove unused parameter "allow_deprecated" from parse_wireaddr_internal.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2022-09-12 09:34:52 +09:30
niftynei 282ab72e2d tests: valgrind barfing on uninitialized value
------------------------------- Valgrind errors --------------------------------
Valgrind error file: valgrind-errors.493330
==493330== Conditional jump or move depends on uninitialised value(s)
==493330==    at 0x154051: opt_add_addr_withtype (options.c:275)
==493330==    by 0x154406: opt_add_announce_addr (options.c:302)
==493330==    by 0x2696E6: parse_one (parse.c:121)
==493330==    by 0x25CFB5: opt_parse (opt.c:228)
==493330==    by 0x155DB6: handle_opts (options.c:1413)
==493330==    by 0x127317: main (lightningd.c:994)
==493330==
{
   <insert_a_suppression_name_here>
   Memcheck:Cond
   fun:opt_add_addr_withtype
   fun:opt_add_announce_addr
   fun:parse_one
   fun:opt_parse
   fun:handle_opts
   fun:main
}
--------------------------------------------------------------------------------
Leaving base_dir /tmp/ltests-iyf2dw3n intact, it still has test sub-directories with failure details: ['test_announce_dns_without_port_1']
====================================== short test summary info ======================================
ERROR tests/test_gossip.py::test_announce_dns_without_port - ValueError:
2022-07-26 15:11:30 -07:00
Vincenzo Palazzo 7ff62b4a00 lightnind: remove`DEFAULT_PORT` global definition
Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
2022-06-28 06:09:01 +09:30
Michael Schmoock 55cf413fc3 wireaddr: moves wireaddr_arr_contains to wireaddr.h
...So it can be reused somewhere else

Changelog-None
2022-06-17 20:30:16 +09:30
Rusty Russell e36d4d1143 devtools/decodemsg: fix printing of wireaddr.
printwire_ routines are supposed to print!  And they're only needed
inside devtools/.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2022-03-25 13:55:44 +10:30
Michael Schmoock b930b8c548 wireaddr: adds wireaddr_eq_without_port and wireaddr_cmp_type
Adds wireaddr_eq_without_port so it can be used later.
Moves wireaddr_cmp_type from connectd.c to this file, so it can be reused later.
2022-03-11 16:42:45 +10:30
Michael Schmoock 38e2abf68a peer_exchange: set, read and log remote_addr
Changelog-Added: Protocol: set remote_addr on init tlvs
2022-02-22 05:45:47 +10:30
Rusty Russell b45544c659 options: fix handling of wildcard (allproto) address.
We treated ':' as an empty DNS name in EXPERIMENTAL, which is wrong.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-12-05 16:43:09 +01:00
Michael Schmoock 01e8a523e9 bolt7: allow announcement of ADDR_TYPE_DNS 2021-11-30 09:38:17 +10:30
Michael Schmoock 25bd09716f wireaddr: adds helper is_ipaddr, is_toraddr and is_dnsaddr 2021-11-30 09:38:17 +10:30
Rusty Russell b2c762969c wireaddr: clean up tor parsing.
blob[] is really a string from the commandline; leave it as a char.

And parsing is much simpler than this code makes it seem!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-11-14 18:49:46 +01:00
Rusty Russell 9d18180172 lightningd: really do allow two Torv3 addresses.
This surprised me, since the CHANGELOG for [0.8.2] said:

	We now announce multiple addresses of the same type, if given. ([3609](https://github.com/ElementsProject/lightning/pull/3609))

But it lied!

Changelog-Fixed: We really do allow providing multiple addresses of the same type.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-11-14 18:49:46 +01:00
Rusty Russell 2f247c7bfb torv2: remove support for advertizing and connecting.
October was the date Torv2 is no longer supported by the Tor Project;
it will probably not work at all by next release, so we should remove
it now even though it's not quite the 6 months we prefer for
deprecation cycles.

I still see 110 nodes advertizing Torv2 (vs 10,292 Torv3); we still
parse and display it, we just don't advertize or connect to it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-11-14 18:49:46 +01:00
Rusty Russell b013b3ab0c patch websocket-address-support.patch 2021-10-22 11:56:30 +02:00
W. J. van der Laan dd93f5dd29 Add missing headers for compiling on FreeBSD 13
- `netinet/in.h`: struct sockaddr_in, struct sockaddr_in6
- `unistd.h`: close()
2021-09-24 12:40:09 +09:30
Rusty Russell 7401b26824 cleanup: remove unneeded includes in C files.
Before:
 Ten builds, laptop -j5, no ccache:

```
real	0m36.686000-38.956000(38.608+/-0.65)s
user	2m32.864000-42.253000(40.7545+/-2.7)s
sys	0m16.618000-18.316000(17.8531+/-0.48)s
```

 Ten builds, laptop -j5, ccache (warm):

```
real	0m8.212000-8.577000(8.39989+/-0.13)s
user	0m12.731000-13.212000(12.9751+/-0.17)s
sys	0m3.697000-3.902000(3.83722+/-0.064)s
```

After:
 Ten builds, laptop -j5, no ccache: 8% faster

```
real	0m33.802000-35.773000(35.468+/-0.54)s
user	2m19.073000-27.754000(26.2542+/-2.3)s
sys	0m15.784000-17.173000(16.7165+/-0.37)s
```

 Ten builds, laptop -j5, ccache (warm): 1% faster

```
real	0m8.200000-8.485000(8.30138+/-0.097)s
user	0m12.485000-13.100000(12.7344+/-0.19)s
sys	0m3.702000-3.889000(3.78787+/-0.056)s
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-09-17 09:43:22 +09:30
Rusty Russell e734097125 common/wireaddr: fromwire_wireaddr_array helper.
This was previously internal to gossipd and was called "read_addresses".

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-06-16 10:29:17 +09:30
Antoine Poinsot fe8074c8c3 Refuse to parse v2 onion addresses without deprecated_apis
Tor v2 hidden services have been deprecated for a while:
https://blog.torproject.org/v2-deprecation-timeline .

This prevents user from being able to set them in the configuration
and to connect to them while still letting us be able to parse them
for gossip.

Changelog-Deprecated: lightningd: v2 Tor addresses.  Use v3.  See https://blog.torproject.org/v2-deprecation-timeline.

Signed-off-by: Antoine Poinsot <darosior@protonmail.com>
2021-05-24 20:22:45 +09:30
Antoine Poinsot 7bf17572b5 wireaddr: fix indentation / line breaks for autotor parsing
It really affected readability.

Signed-off-by: Antoine Poinsot <darosior@protonmail.com>
2021-05-24 20:22:45 +09:30
Rusty Russell 06a54606a3 check-includes: allow redundant "config.h"
We should actually be including this (as it may define _GNU_SOURCE
etc) before any system headers.  But where we include <assert.h> we
often didn't, because check-includes would complain that the headers
included it too.

Weaken that check, and include config.h in C files before assert.h.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-02-04 12:02:36 +10:30
Rusty Russell f376a9c24c common: use tabs everywhere.
Didn't generally fixup inside comments and the bech32 code: reformatting that
is just anti-social.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-02-05 14:19:12 +01:00
Saibato f6006f43a9 Init commit to be able to create a tor static service on the fly.
We  want to have a static Tor service created from a blob bound to
our node on cmdline

Changelog-added: persistent Tor address support
Changelog-added: allow the Tor inbound service port differ from 9735

Signed-off-by: Saibato <saibato.naga@pm.me>

Add base64 encode/decode to common

We need this to encode the blob for the tor service

Signed-off-by: Saibato <saibato.naga@pm.me>
2019-12-03 23:35:18 +01:00
darosior a4204226b4 Tidy up parse_wireaddr_from_hostname 2019-09-28 02:49:24 +00:00
darosior 48fde4f0a5 wireaddr: correct the onion case in wireaddr_from_hostname
And, this time, add tests !
2019-09-16 05:05:24 +00:00
darosior fad133ed2e wireaddr: pass an array to wireaddr_from_hostname
'wireaddr_from_hostname' now expects a tal array.
2019-09-16 05:05:24 +00:00
Rusty Russell f554d6376f wireaddr: handle case where non-IPv6 and non-IPv4 address is returned.
Thanks clang!  Here's the error:
ommon/wireaddr.c:359:14: error: variable 'addr' is used uninitialized whenever

      'if' condition is false [-Werror,-Wsometimes-uninitialized]
                } else if (addrinfo->ai_family == AF_INET6) {
                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/wireaddr.c:364:25: note: uninitialized use occurs here
                tal_arr_expand(addrs, addr);
                                      ^~~~
./common/utils.h:27:16: note: expanded from macro 'tal_arr_expand'
                (*(p))[n] = (s);                                        \
                             ^
common/wireaddr.c:359:10: note: remove the 'if' if its condition is always true
                } else if (addrinfo->ai_family == AF_INET6) {
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/wireaddr.c:354:3: note: variable 'addr' is declared here
                struct wireaddr addr;
                ^

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-09-12 01:30:47 +00:00
darosior 5cded7863f connectd: correct a segfault in add_seed_addrs
lightning_connectd: FATAL SIGNAL 6 (version v0.6.1-1964-g226e2ae-modded)
0x5610a4a41b5d send_backtrace
	common/daemon.c:40
0x5610a4a41c03 crashdump
	common/daemon.c:53
0x7ff6bf71e83f ???
	???:0
0x7ff6bf71e7bb ???
	???:0
0x7ff6bf709534 ???
	???:0
0x5610a4a7a169 call_error
	ccan/ccan/tal/tal.c:93
0x5610a4a7a331 check_bounds
	ccan/ccan/tal/tal.c:165
0x5610a4a7a38f to_tal_hdr
	ccan/ccan/tal/tal.c:176
0x5610a4a7a3f1 to_tal_hdr_or_null
	ccan/ccan/tal/tal.c:186
0x5610a4a7b2d9 tal_bytelen
	ccan/ccan/tal/tal.c:632
0x5610a4a3a238 add_seed_addrs
	connectd/connectd.c:1282
0x5610a4a3a85c try_connect_peer
	connectd/connectd.c:1374
0x5610a4a3aaa2 connect_to_peer
	connectd/connectd.c:1419
2019-09-12 01:30:47 +00:00
darosior b2bb97adde connectd: get multiple addresses from hostname 2019-09-10 02:02:51 +00:00
Rusty Russell 9a25b5dd87 wireaddr: keep valgrind happy with wireaddr which are pathnames.
==12787== Uninitialised byte(s) found during client check request
==12787==    at 0x450AAC: memcheck_ (mem.h:247)
==12787==    by 0x450B17: towire (towire.c:19)
==12787==    by 0x45103D: towire_u8_array (towire.c:159)
==12787==    by 0x443235: towire_wireaddr_internal (wireaddr.c:79)
==12787==    by 0x46E6F2: towire_connectctl_init (gen_connect_wire.c:229)
==12787==    by 0x40D6C8: connectd_init (connect_control.c:369)
==12787==    by 0x4186D3: main (lightningd.c:701)
==12787==  Address 0x682d8a9 is 361 bytes inside a block of size 568 alloc'd
==12787==    at 0x4C2FD5F: realloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==12787==    by 0x4867A5: tal_resize_ (tal.c:694)
==12787==    by 0x41F3EE: opt_add_addr_withtype (options.c:143)
==12787==    by 0x41F4D7: opt_add_bind_addr (options.c:155)
==12787==    by 0x47E364: parse_one (parse.c:121)
==12787==    by 0x47F9C8: opt_parse (opt.c:210)
==12787==    by 0x4212F9: handle_opts (options.c:892)
==12787==    by 0x41864C: main (lightningd.c:667)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-03-14 15:05:56 +01:00
Rusty Russell c236361efd wireaddr: update bolt version, remove 'padding' from addresses.
Nobody used this, so it was removed from the spec.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-10-28 23:51:05 +00:00
Rusty Russell 8600ba403c wireaddr: remove handling for addr->type == ADDR_TYPE_PADDING
We used to use this for "no known address", but we don't any more.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-10-28 23:51:05 +00:00
Rusty Russell 76e7f8aa5c wireaddr: add wireaddr_eq.
We can't STRUCTEQ_DEF() it since addrlen is variable, so open-code it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-09-28 18:20:17 +02:00
Saibato d5c3626fa7 parse autotor: address before separate_address_and_port
this enables addr like --addr=autotor:127.0.0.1 or
--addr=autotor:localhost to just use the default tor service port

Signed-off-by: Saibato <Saibato.naga@pm.me>
2018-09-20 09:09:11 +02:00
Rusty Russell 17f7f50814 wireaddr: correctly parse ':portnum' (meaning IPv4 and IPv6)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-08-08 15:04:06 +02:00
practicalswift a623fd8924 Make sure we're not using uninitialized values 2018-08-02 15:57:16 +09:30
Rusty Russell 5cf34d6618 Remove tal_len, use tal_count() or tal_bytelen().
tal_count() is used where there's a type, even if it's char or u8, and
tal_bytelen() is going to replace tal_len() for clarity: it's only needed
where a pointer is void.

We shim tal_bytelen() for now.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-07-30 11:31:17 +02:00
Christian Decker 4a5cff8490 gossip: Try to detect broken ISP resolvers and discard broken replies
This is a best effort attempt to skip connection attempts if we detect a broken
ISP resolver. A broken ISP resolver is a resolver that will replace NXDOMAIN
replies with a dummy response. This is best effort in that it'll only detect a
single fixed dummy reply, it'll check only on startup, and will not detect if we
switched networks. It should be good enough for most cases, and in the worst
case it will result in a connection attempt that does not complete.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
Reported-by: Glenn Willen <@gwillen>
2018-06-21 11:21:16 +02:00
Rusty Russell 20e5bc938e wireaddr: zero entire sockaddr structure.
2018-06-14T01:09:03.495Z lightningd(23766): HSM: created new hsm_secret file
==23785== Syscall param socketcall.bind(my_addr.sin6_flowinfo) points to uninitialised byte(s)
==23785==    at 0x5731877: bind (syscall-template.S:78)
==23785==    by 0x11767C: make_listen_fd (gossip.c:2405)
==23785==    by 0x117DA2: handle_wireaddr_listen (gossip.c:2558)
==23785==    by 0x1183B7: setup_listeners (gossip.c:2653)
==23785==    by 0x118E86: gossip_activate (gossip.c:2871)
==23785==    by 0x11AC42: recv_req (gossip.c:3543)
==23785==    by 0x143FF1: next_plan (io.c:59)
==23785==    by 0x144AEE: do_plan (io.c:387)
==23785==    by 0x144B2C: io_ready (io.c:397)
==23785==    by 0x146719: io_loop (poll.c:310)
==23785==    by 0x11B0B0: main (gossip.c:3687)
==23785==  Address 0x1ffeffffa4 is on thread 1's stack
==23785==  in frame #2, created by handle_wireaddr_listen (gossip.c:2539)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-06-14 13:08:10 +02:00
practicalswift 3abd9ad4f6 wireaddr: Avoid memory corruption in fmt_wireaddr_without_port() 2018-05-15 05:30:43 +00:00
Rusty Russell 1125682ceb wireaddr: new type, ADDR_INTERNAL_FORPROXY, use it if we can't/wont resolve.
Tor wasn't actually working for me to connect to anything, but it worked
for 'ssh -D' testing.

Note that the resulting 'netaddr' is a bit weird, but I guess it's honest.

    $ ./cli/lightning-cli connect 021f2cbffc4045ca2d70678ecf8ed75e488290874c9da38074f6d378248337062b
    {
      "id": "021f2cbffc4045ca2d70678ecf8ed75e488290874c9da38074f6d378248337062b"
    }
    $ ./cli/lightning-cli listpeers
    {
      "peers": [
        {
          "state": "GOSSIPING", 
          "id": "021f2cbffc4045ca2d70678ecf8ed75e488290874c9da38074f6d378248337062b", 
          "netaddr": [
            "ln1qg0je0lugpzu5ttsv78vlrkhteyg9yy8fjw68qr57mfhsfyrxurzkq522ah.lseed.bitcoinstats.com:9735"
          ], 
          "connected": true, 
          "owner": "lightning_gossipd"
        }
      ]
    }

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-11 09:15:54 +00:00
Rusty Russell a1dc4eef56 wireaddr: tell caller that we failed due to wanting DNS lookup, don't try.
This is useful for the next patch, where we want to hand the unresolved
name through to the proxy.

This also addresses @Saibato's worry that we still called getaddrinfo()
(with the AI_NUMERICHOST option) even if we didn't want a lookup.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-11 09:15:54 +00:00
Rusty Russell 1ab9a5def6 wireaddr: fix parsing of empty address with no port.
Port should become the default in not specified.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-11 09:15:54 +00:00
Rusty Russell 89c76a5a78 Move always-use-proxy auto-override to master daemon.
This means it will effect connect commands too (though it's too
late to stop DNS lookups caused by commandline options).

We also warn that this is one case where we allow forcing through Tor
without a proxy set: it just means all connections will fail.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-10 02:28:44 +00:00
Rusty Russell 1106c40217 tor: add new 'autotor:' address option.
This takes the Tor service address in the same option, rather than using
a separate one.  Gossipd now digests this like any other type.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-10 02:28:44 +00:00
Rusty Russell 5a0bc83b20 Tor: don't do seed queries if we're supposed to always use proxy.
Risks leakage.  We could do lookup via the proxy, but that's a TODO.

There's only one occurance of getaddrinfo (and no gethostbyname), so
we add a flag to the callers.

Note: the use of --always-use-proxy suppresses *all* DNS lookups, even
those from connect commands and the command line.

FIXME: An implicit setting of use_proxy_always is done in gossipd if it
determines that we are announcing nothing but Tor addresses, but that
does *not* suppress 'connect'.

This is fixed in a later patch.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-10 02:28:44 +00:00
Rusty Russell d87a6c3a48 wireaddr: more helpers, to convert to addrinfo.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-10 02:28:44 +00:00
Rusty Russell d5e4d52563 common/base32: make this a simple tal-wrapper around ccan/base32.
And use it in wireaddr.

We fix up the double '.onion' in the test case, which seems like an error?

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-10 02:28:44 +00:00
Rusty Russell e91975c22d wireaddr: use fmt_wireaddr_without_port in fmt_wireaddr.
Avoids duplicate code.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-10 02:28:44 +00:00
Rusty Russell 7d95dbbd0a wireaddr: remove FQDN_ADDRLEN in favor of LARGEST_ADDRLEN.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-10 02:28:44 +00:00
Saibato 877f63e99e Initial TOR v2/v3 support.
This is a rebased and combined patch for Tor support.  It is extensively
reworked in the following patches, but the basis remains Saibato's work,
so it seemed fairest to begin with this.

Minor changes:
1. Use --announce-addr instead of --tor-external.
2. I also reverted some whitespace and unrelated changes from the patch.
3. Removed unnecessary ';' after } in functions.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2018-05-10 02:28:44 +00:00