SNAT: fix snat_add_static_mapping_command() uninitialized variable

Change-Id: I7775dd3b90d5a3449650c3102e24bfedd770beb1
Signed-off-by: Matus Fabian <matfabia@cisco.com>
This commit is contained in:
Matus Fabian
2017-02-05 22:14:41 -08:00
committed by Damjan Marion
parent 31c31aa3b6
commit b449f48bce
2 changed files with 16 additions and 5 deletions
+8 -4
View File
@@ -1857,6 +1857,7 @@ add_static_mapping_command_fn (vlib_main_t * vm,
vnet_main_t * vnm = vnet_get_main();
int rv;
snat_protocol_t proto;
u8 proto_set = 0;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
@@ -1886,7 +1887,7 @@ add_static_mapping_command_fn (vlib_main_t * vm,
else if (unformat (line_input, "vrf %u", &vrf_id))
;
else if (unformat (line_input, "%U", unformat_snat_protocol, &proto))
;
proto_set = 1;
else if (unformat (line_input, "del"))
is_add = 0;
else
@@ -1895,6 +1896,9 @@ add_static_mapping_command_fn (vlib_main_t * vm,
}
unformat_free (line_input);
if (!addr_only && !proto_set)
return clib_error_return (0, "missing protocol");
rv = snat_add_static_mapping(l_addr, e_addr, (u16) l_port, (u16) e_port,
vrf_id, addr_only, sw_if_index, proto, is_add);
@@ -1926,8 +1930,8 @@ add_static_mapping_command_fn (vlib_main_t * vm,
* Static mapping allows hosts on the external network to initiate connection
* to to the local network host.
* To create static mapping between local host address 10.0.0.3 port 6303 and
* external address 4.4.4.4 port 3606 use:
* vpp# snat add static mapping local 10.0.0.3 6303 external 4.4.4.4 3606
* external address 4.4.4.4 port 3606 for TCP protocol use:
* vpp# snat add static mapping local tcp 10.0.0.3 6303 external 4.4.4.4 3606
* If not runnig "static mapping only" S-NAT plugin mode use before:
* vpp# snat add address 4.4.4.4
* To create static mapping between local and external address use:
@@ -1938,7 +1942,7 @@ VLIB_CLI_COMMAND (add_static_mapping_command, static) = {
.path = "snat add static mapping",
.function = add_static_mapping_command_fn,
.short_help =
"snat add static mapping local <addr> [<port>] external <addr> [<port>] [vrf <table-id>] [del]",
"snat add static mapping local tcp|udp|icmp <addr> [<port>] external <addr> [<port>] [vrf <table-id>] [del]",
};
static clib_error_t *
+8 -1
View File
@@ -222,6 +222,7 @@ static int api_snat_add_static_mapping(vat_main_t * vam)
u32 sw_if_index = ~0;
u8 sw_if_index_set = 0;
u32 proto = ~0;
u8 proto_set = 0;
int ret;
while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
@@ -243,7 +244,7 @@ static int api_snat_add_static_mapping(vat_main_t * vam)
else if (unformat (i, "vrf %u", &vrf_id))
;
else if (unformat (i, "protocol %u", &proto))
;
proto_set = 1;
else if (unformat (i, "del"))
is_add = 0;
else
@@ -253,6 +254,12 @@ static int api_snat_add_static_mapping(vat_main_t * vam)
}
}
if (!addr_only && !proto_set)
{
errmsg ("protocol required\n");
return -99;
}
if (!local_addr_set)
{
errmsg ("local addr required\n");