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Merge branch 'tor-gitlab/mr/477' into maint-0.4.5

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This commit is contained in:
David Goulet 2021-11-03 09:52:03 -04:00
commit ea5eebf431
3 changed files with 19 additions and 2 deletions
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5
changes/ticket40494 Normal file
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@ -0,0 +1,5 @@
o Minor bugfixes (relay):
- Reject IPv6-only DirPorts. Our reachability self-test forces DirPorts to
be IPv4, but our configuration parser allowed them to be IPv6-only,
which led to an assertion failure. Fixes bug 40494; bugfix on
0.4.5.1-alpha.

3
doc/man/tor.1.txt
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@ -2803,7 +2803,8 @@ details.)
more than once, but only one advertised DirPort is supported: all
but one DirPort must have the **NoAdvertise** flag set. (Default: 0) +
+
The same flags are supported here as are supported by ORPort.
The same flags are supported here as are supported by ORPort. This port can
only be IPv4.
[[DirPortFrontPage]] **DirPortFrontPage** __FILENAME__::
When this option is set, it takes an HTML file and publishes it as "/" on

13
src/feature/relay/relay_config.c
View File

@ -352,6 +352,7 @@ check_and_prune_server_ports(smartlist_t *ports,
int n_orport_listeners = 0;
int n_dirport_advertised = 0;
int n_dirport_listeners = 0;
int n_dirport_listeners_v4 = 0;
int n_low_port = 0;
int r = 0;
@ -362,8 +363,12 @@ check_and_prune_server_ports(smartlist_t *ports,
if (port->type == CONN_TYPE_DIR_LISTENER) {
if (! port->server_cfg.no_advertise)
++n_dirport_advertised;
if (! port->server_cfg.no_listen)
if (! port->server_cfg.no_listen) {
++n_dirport_listeners;
if (port_binds_ipv4(port)) {
++n_dirport_listeners_v4;
}
}
} else if (port->type == CONN_TYPE_OR_LISTENER) {
if (! port->server_cfg.no_advertise) {
++n_orport_advertised;
@ -408,6 +413,12 @@ check_and_prune_server_ports(smartlist_t *ports,
"address. Tor needs to listen on an IPv4 address too.");
r = -1;
}
if (n_dirport_advertised && n_dirport_listeners_v4 == 0) {
log_warn(LD_CONFIG, "We are listening on a non-IPv4 DirPort. This is not "
"allowed. Consider either setting an IPv4 address or "
"simply removing it because it is not used anymore.");
r = -1;
}
if (n_low_port && options->AccountingMax &&
(!have_capability_support() || options->KeepBindCapabilities == 0)) {