1 files changed, 47 insertions, 8 deletions

diff --git a/servconf.c b/servconf.c
index 331716c8f..b7f329447 100644
--- a/servconf.c
+++ b/servconf.c
@@ -1,5 +1,5 @@
 
-/* $OpenBSD: servconf.c,v 1.250 2014/07/03 22:40:43 djm Exp $ */
+/* $OpenBSD: servconf.c,v 1.251 2014/07/15 15:54:14 millert Exp $ */
 /*
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
  *                    All rights reserved
@@ -39,10 +39,10 @@
 #include "ssh.h"
 #include "log.h"
 #include "buffer.h"
+#include "misc.h"
 #include "servconf.h"
 #include "compat.h"
 #include "pathnames.h"
-#include "misc.h"
 #include "cipher.h"
 #include "key.h"
 #include "kex.h"
@@ -120,6 +120,7 @@ initialize_server_options(ServerOptions *options)
         options->rekey_limit = -1;
         options->rekey_interval = -1;
         options->allow_tcp_forwarding = -1;
+        options->allow_streamlocal_forwarding = -1;
         options->allow_agent_forwarding = -1;
         options->num_allow_users = 0;
         options->num_deny_users = 0;
@@ -129,7 +130,9 @@ initialize_server_options(ServerOptions *options)
         options->macs = NULL;
         options->kex_algorithms = NULL;
         options->protocol = SSH_PROTO_UNKNOWN;
-        options->gateway_ports = -1;
+        options->fwd_opts.gateway_ports = -1;
+        options->fwd_opts.streamlocal_bind_mask = (mode_t)-1;
+        options->fwd_opts.streamlocal_bind_unlink = -1;
         options->num_subsystems = 0;
         options->max_startups_begin = -1;
         options->max_startups_rate = -1;
@@ -269,10 +272,12 @@ fill_default_server_options(ServerOptions *options)
                 options->rekey_interval = 0;
         if (options->allow_tcp_forwarding == -1)
                 options->allow_tcp_forwarding = FORWARD_ALLOW;
+        if (options->allow_streamlocal_forwarding == -1)
+                options->allow_streamlocal_forwarding = FORWARD_ALLOW;
         if (options->allow_agent_forwarding == -1)
                 options->allow_agent_forwarding = 1;
-        if (options->gateway_ports == -1)
-                options->gateway_ports = 0;
+        if (options->fwd_opts.gateway_ports == -1)
+                options->fwd_opts.gateway_ports = 0;
         if (options->max_startups == -1)
                 options->max_startups = 100;
         if (options->max_startups_rate == -1)
@@ -303,6 +308,10 @@ fill_default_server_options(ServerOptions *options)
                 options->ip_qos_bulk = IPTOS_THROUGHPUT;
         if (options->version_addendum == NULL)
                 options->version_addendum = xstrdup("");
+        if (options->fwd_opts.streamlocal_bind_mask == (mode_t)-1)
+                options->fwd_opts.streamlocal_bind_mask = 0177;
+        if (options->fwd_opts.streamlocal_bind_unlink == -1)
+                options->fwd_opts.streamlocal_bind_unlink = 0;
         /* Turn privilege separation on by default */
         if (use_privsep == -1)
                 use_privsep = PRIVSEP_NOSANDBOX;
@@ -351,6 +360,8 @@ typedef enum {
         sKexAlgorithms, sIPQoS, sVersionAddendum,
         sAuthorizedKeysCommand, sAuthorizedKeysCommandUser,
         sAuthenticationMethods, sHostKeyAgent, sPermitUserRC,
+        sStreamLocalBindMask, sStreamLocalBindUnlink,
+        sAllowStreamLocalForwarding,
         sDeprecated, sUnsupported
 } ServerOpCodes;
 
@@ -478,6 +489,9 @@ static struct {
         { "authorizedkeyscommanduser", sAuthorizedKeysCommandUser, SSHCFG_ALL },
         { "versionaddendum", sVersionAddendum, SSHCFG_GLOBAL },
         { "authenticationmethods", sAuthenticationMethods, SSHCFG_ALL },
+        { "streamlocalbindmask", sStreamLocalBindMask, SSHCFG_ALL },
+        { "streamlocalbindunlink", sStreamLocalBindUnlink, SSHCFG_ALL },
+        { "allowstreamlocalforwarding", sAllowStreamLocalForwarding, SSHCFG_ALL },
         { NULL, sBadOption, 0 }
 };
 
@@ -1195,7 +1209,7 @@ process_server_config_line(ServerOptions *options, char *line,
                 break;
 
         case sGatewayPorts:
-                intptr = &options->gateway_ports;
+                intptr = &options->fwd_opts.gateway_ports;
                 multistate_ptr = multistate_gatewayports;
                 goto parse_multistate;
 
@@ -1230,6 +1244,11 @@ process_server_config_line(ServerOptions *options, char *line,
                 multistate_ptr = multistate_tcpfwd;
                 goto parse_multistate;
 
+        case sAllowStreamLocalForwarding:
+                intptr = &options->allow_streamlocal_forwarding;
+                multistate_ptr = multistate_tcpfwd;
+                goto parse_multistate;
+
         case sAllowAgentForwarding:
                 intptr = &options->allow_agent_forwarding;
                 goto parse_flag;
@@ -1628,6 +1647,22 @@ process_server_config_line(ServerOptions *options, char *line,
                 }
                 return 0;
 
+        case sStreamLocalBindMask:
+                arg = strdelim(&cp);
+                if (!arg || *arg == '\0')
+                        fatal("%s line %d: missing StreamLocalBindMask argument.",
+                            filename, linenum);
+                /* Parse mode in octal format */
+                value = strtol(arg, &p, 8);
+                if (arg == p || value < 0 || value > 0777)
+                        fatal("%s line %d: Bad mask.", filename, linenum);
+                options->fwd_opts.streamlocal_bind_mask = (mode_t)value;
+                break;
+
+        case sStreamLocalBindUnlink:
+                intptr = &options->fwd_opts.streamlocal_bind_unlink;
+                goto parse_flag;
+
         case sDeprecated:
                 logit("%s line %d: Deprecated option %s",
                     filename, linenum, arg);
@@ -1767,9 +1802,10 @@ copy_set_server_options(ServerOptions *dst, ServerOptions *src, int preauth)
         M_CP_INTOPT(permit_empty_passwd);
 
         M_CP_INTOPT(allow_tcp_forwarding);
+        M_CP_INTOPT(allow_streamlocal_forwarding);
         M_CP_INTOPT(allow_agent_forwarding);
         M_CP_INTOPT(permit_tun);
-        M_CP_INTOPT(gateway_ports);
+        M_CP_INTOPT(fwd_opts.gateway_ports);
         M_CP_INTOPT(x11_display_offset);
         M_CP_INTOPT(x11_forwarding);
         M_CP_INTOPT(x11_use_localhost);
@@ -1867,6 +1903,8 @@ fmt_intarg(ServerOpCodes code, int val)
                 return fmt_multistate_int(val, multistate_privsep);
         case sAllowTcpForwarding:
                 return fmt_multistate_int(val, multistate_tcpfwd);
+        case sAllowStreamLocalForwarding:
+                return fmt_multistate_int(val, multistate_tcpfwd);
         case sProtocol:
                 switch (val) {
                 case SSH_PROTO_1:
@@ -2023,9 +2061,10 @@ dump_config(ServerOptions *o)
         dump_cfg_fmtint(sPermitUserEnvironment, o->permit_user_env);
         dump_cfg_fmtint(sUseLogin, o->use_login);
         dump_cfg_fmtint(sCompression, o->compression);
-        dump_cfg_fmtint(sGatewayPorts, o->gateway_ports);
+        dump_cfg_fmtint(sGatewayPorts, o->fwd_opts.gateway_ports);
         dump_cfg_fmtint(sUseDNS, o->use_dns);
         dump_cfg_fmtint(sAllowTcpForwarding, o->allow_tcp_forwarding);
+        dump_cfg_fmtint(sAllowStreamLocalForwarding, o->allow_streamlocal_forwarding);
         dump_cfg_fmtint(sUsePrivilegeSeparation, use_privsep);
 
         /* string arguments */