upstream commit
Allow ListenAddress, Port and AddressFamily in any
order. bz#68, ok djm@, jmc@ (for the man page bit).
diff --git a/servconf.c b/servconf.c
index 8d56a30..29457b8 100644
--- a/servconf.c
+++ b/servconf.c
@@ -1,5 +1,5 @@
-/* $OpenBSD: servconf.c,v 1.265 2015/04/27 21:42:48 djm Exp $ */
+/* $OpenBSD: servconf.c,v 1.266 2015/04/29 03:48:56 dtucker Exp $ */
/*
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
@@ -78,6 +78,8 @@
/* Standard Options */
options->num_ports = 0;
options->ports_from_cmdline = 0;
+ options->queued_listen_addrs = NULL;
+ options->num_queued_listens = 0;
options->listen_addrs = NULL;
options->address_family = -1;
options->num_host_key_files = 0;
@@ -205,6 +207,8 @@
/* No certificates by default */
if (options->num_ports == 0)
options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
+ if (options->address_family == -1)
+ options->address_family = AF_UNSPEC;
if (options->listen_addrs == NULL)
add_listen_addr(options, NULL, 0);
if (options->pid_file == NULL)
@@ -591,10 +595,6 @@
{
u_int i;
- if (options->num_ports == 0)
- options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
- if (options->address_family == -1)
- options->address_family = AF_UNSPEC;
if (port == 0)
for (i = 0; i < options->num_ports; i++)
add_one_listen_addr(options, addr, options->ports[i]);
@@ -624,6 +624,51 @@
options->listen_addrs = aitop;
}
+/*
+ * Queue a ListenAddress to be processed once we have all of the Ports
+ * and AddressFamily options.
+ */
+static void
+queue_listen_addr(ServerOptions *options, char *addr, int port)
+{
+ options->queued_listen_addrs = xreallocarray(
+ options->queued_listen_addrs, options->num_queued_listens + 1,
+ sizeof(addr));
+ options->queued_listen_ports = xreallocarray(
+ options->queued_listen_ports, options->num_queued_listens + 1,
+ sizeof(port));
+ options->queued_listen_addrs[options->num_queued_listens] =
+ xstrdup(addr);
+ options->queued_listen_ports[options->num_queued_listens] = port;
+ options->num_queued_listens++;
+}
+
+/*
+ * Process queued (text) ListenAddress entries.
+ */
+static void
+process_queued_listen_addrs(ServerOptions *options)
+{
+ u_int i;
+
+ if (options->num_ports == 0)
+ options->ports[options->num_ports++] = SSH_DEFAULT_PORT;
+ if (options->address_family == -1)
+ options->address_family = AF_UNSPEC;
+
+ for (i = 0; i < options->num_queued_listens; i++) {
+ add_listen_addr(options, options->queued_listen_addrs[i],
+ options->queued_listen_ports[i]);
+ free(options->queued_listen_addrs[i]);
+ options->queued_listen_addrs[i] = NULL;
+ }
+ free(options->queued_listen_addrs);
+ options->queued_listen_addrs = NULL;
+ free(options->queued_listen_ports);
+ options->queued_listen_ports = NULL;
+ options->num_queued_listens = 0;
+}
+
struct connection_info *
get_connection_info(int populate, int use_dns)
{
@@ -940,9 +985,6 @@
/* ignore ports from configfile if cmdline specifies ports */
if (options->ports_from_cmdline)
return 0;
- if (options->listen_addrs != NULL)
- fatal("%s line %d: ports must be specified before "
- "ListenAddress.", filename, linenum);
if (options->num_ports >= MAX_PORTS)
fatal("%s line %d: too many ports.",
filename, linenum);
@@ -994,7 +1036,7 @@
/* check for bare IPv6 address: no "[]" and 2 or more ":" */
if (strchr(arg, '[') == NULL && (p = strchr(arg, ':')) != NULL
&& strchr(p+1, ':') != NULL) {
- add_listen_addr(options, arg, 0);
+ queue_listen_addr(options, arg, 0);
break;
}
p = hpdelim(&arg);
@@ -1007,16 +1049,13 @@
else if ((port = a2port(arg)) <= 0)
fatal("%s line %d: bad port number", filename, linenum);
- add_listen_addr(options, p, port);
+ queue_listen_addr(options, p, port);
break;
case sAddressFamily:
intptr = &options->address_family;
multistate_ptr = multistate_addressfamily;
- if (options->listen_addrs != NULL)
- fatal("%s line %d: address family must be specified "
- "before ListenAddress.", filename, linenum);
parse_multistate:
arg = strdelim(&cp);
if (!arg || *arg == '\0')
@@ -1951,6 +1990,7 @@
if (bad_options > 0)
fatal("%s: terminating, %d bad configuration options",
filename, bad_options);
+ process_queued_listen_addrs(options);
}
static const char *