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authorMartin Gálik <magalik@cisco.com>2017-04-19 01:12:27 -0700
committerMartin Gálik <magalik@cisco.com>2017-04-26 00:23:22 -0700
commit6bc8c6493c8e7e1401130f8c9ca34c9b2915a7ad (patch)
tree3c1a6830f71a3d74315792b2d38bbc37fc8bccfb /src/plugins/snat/snat.c
parentc9fc77c510e042cf9379b427b63dd3f17a23a584 (diff)
CGNAT: close session API and CLI commands.
Change-Id: I9c8636bd2c4b8da2907e8e4a4f2be1a2c3a8e0bb Signed-off-by: Martin Gálik <magalik@cisco.com>
Diffstat (limited to 'src/plugins/snat/snat.c')
-rw-r--r--src/plugins/snat/snat.c243
1 files changed, 242 insertions, 1 deletions
diff --git a/src/plugins/snat/snat.c b/src/plugins/snat/snat.c
index 8569b041b49..594afa62c80 100644
--- a/src/plugins/snat/snat.c
+++ b/src/plugins/snat/snat.c
@@ -1712,6 +1712,105 @@ static void *vl_api_snat_det_get_timeouts_t_print
FINISH;
}
+static void
+vl_api_snat_det_close_session_out_t_handler
+(vl_api_snat_det_close_session_out_t * mp)
+{
+ snat_main_t * sm = &snat_main;
+ vl_api_snat_det_close_session_out_reply_t * rmp;
+ ip4_address_t out_addr, ext_addr, in_addr;
+ snat_det_out_key_t key;
+ snat_det_map_t * dm;
+ snat_det_session_t * ses;
+ int rv = 0;
+
+ clib_memcpy(&out_addr, mp->out_addr, 4);
+ clib_memcpy(&ext_addr, mp->ext_addr, 4);
+
+ dm = snat_det_map_by_out(sm, &out_addr);
+ if (!dm)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto send_reply;
+ }
+ snat_det_reverse(dm, &ext_addr, ntohs(mp->out_port), &in_addr);
+ key.ext_host_addr = ext_addr;
+ key.ext_host_port = mp->ext_port;
+ key.out_port = mp->out_port;
+ ses = snat_det_get_ses_by_out(dm, &in_addr, key.as_u64);
+ if (!ses)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto send_reply;
+ }
+ snat_det_ses_close(dm, ses);
+
+send_reply:
+ REPLY_MACRO (VL_API_SNAT_DET_CLOSE_SESSION_OUT_REPLY);
+}
+
+static void *vl_api_snat_det_close_session_out_t_print
+(vl_api_snat_det_close_session_out_t *mp, void * handle)
+{
+ u8 * s;
+
+ s = format (0, "SCRIPT: snat_det_close_session_out ");
+ s = format (s, "out_addr %U out_port %d "
+ "ext_addr %U ext_port %d\n",
+ format_ip4_address, mp->out_addr, ntohs(mp->out_port),
+ format_ip4_address, mp->ext_addr, ntohs(mp->ext_port));
+
+ FINISH;
+}
+
+static void
+vl_api_snat_det_close_session_in_t_handler
+(vl_api_snat_det_close_session_in_t * mp)
+{
+ snat_main_t * sm = &snat_main;
+ vl_api_snat_det_close_session_in_reply_t * rmp;
+ ip4_address_t in_addr, ext_addr;
+ snat_det_out_key_t key;
+ snat_det_map_t * dm;
+ snat_det_session_t * ses;
+ int rv = 0;
+
+ clib_memcpy(&in_addr, mp->in_addr, 4);
+ clib_memcpy(&ext_addr, mp->ext_addr, 4);
+
+ dm = snat_det_map_by_user(sm, &in_addr);
+ if (!dm)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto send_reply;
+ }
+ key.ext_host_addr = ext_addr;
+ key.ext_host_port = mp->ext_port;
+ ses = snat_det_find_ses_by_in(dm, &in_addr, mp->in_port, key);
+ if (!ses)
+ {
+ rv = VNET_API_ERROR_NO_SUCH_ENTRY;
+ goto send_reply;
+ }
+ snat_det_ses_close(dm, ses);
+
+send_reply:
+ REPLY_MACRO (VL_API_SNAT_DET_CLOSE_SESSION_OUT_REPLY);
+}
+
+static void *vl_api_snat_det_close_session_in_t_print
+(vl_api_snat_det_close_session_in_t *mp, void * handle)
+{
+ u8 * s;
+ s = format (0, "SCRIPT: snat_det_close_session_in ");
+ s = format (s, "in_addr %U in_port %d "
+ "ext_addr %U ext_port %d\n",
+ format_ip4_address, mp->in_addr, ntohs(mp->in_port),
+ format_ip4_address, mp->ext_addr, ntohs(mp->ext_port));
+
+ FINISH;
+}
+
/* List of message types that this plugin understands */
#define foreach_snat_plugin_api_msg \
_(SNAT_ADD_ADDRESS_RANGE, snat_add_address_range) \
@@ -1734,7 +1833,9 @@ _(SNAT_DET_FORWARD, snat_det_forward) \
_(SNAT_DET_REVERSE, snat_det_reverse) \
_(SNAT_DET_MAP_DUMP, snat_det_map_dump) \
_(SNAT_DET_SET_TIMEOUTS, snat_det_set_timeouts) \
-_(SNAT_DET_GET_TIMEOUTS, snat_det_get_timeouts)
+_(SNAT_DET_GET_TIMEOUTS, snat_det_get_timeouts) \
+_(SNAT_DET_CLOSE_SESSION_OUT, snat_det_close_session_out) \
+_(SNAT_DET_CLOSE_SESSION_IN, snat_det_close_session_in)
/* Set up the API message handling tables */
@@ -3488,3 +3589,143 @@ VLIB_CLI_COMMAND (set_timeout_command, static) = {
"set snat deterministic timeout [udp <sec> | tcp-established <sec> "
"tcp-transitory <sec> | icmp <sec> | reset]",
};
+
+static clib_error_t *
+snat_det_close_session_out_fn (vlib_main_t *vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ snat_main_t *sm = &snat_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ ip4_address_t out_addr, ext_addr, in_addr;
+ u16 out_port, ext_port;
+ snat_det_map_t * dm;
+ snat_det_session_t * ses;
+ snat_det_out_key_t key;
+ clib_error_t *error = 0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%U:%d %U:%d",
+ unformat_ip4_address, &out_addr, &out_port,
+ unformat_ip4_address, &ext_addr, &ext_port))
+ ;
+ else
+ {
+ error = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ unformat_free (line_input);
+
+ dm = snat_det_map_by_out(sm, &out_addr);
+ if (!dm)
+ vlib_cli_output (vm, "no match");
+ else
+ {
+ snat_det_reverse(dm, &ext_addr, out_port, &in_addr);
+ key.ext_host_addr = out_addr;
+ key.ext_host_port = ntohs(ext_port);
+ key.out_port = ntohs(out_port);
+ ses = snat_det_get_ses_by_out(dm, &out_addr, key.as_u64);
+ if (!ses)
+ vlib_cli_output (vm, "no match");
+ else
+ snat_det_ses_close(dm, ses);
+ }
+
+done:
+ unformat_free (line_input);
+
+ return error;
+}
+
+/*?
+ * @cliexpar
+ * @cliexstart{snat deterministic close session out}
+ * Close session using outside ip address and port
+ * and external ip address and port, use:
+ * vpp# snat deterministic close session out 1.1.1.1:1276 2.2.2.2:2387
+ * @cliexend
+?*/
+VLIB_CLI_COMMAND (snat_det_close_sesion_out_command, static) = {
+ .path = "snat deterministic close session out",
+ .short_help = "snat deterministic close session out "
+ "<out_addr>:<out_port> <ext_addr>:<ext_port>",
+ .function = snat_det_close_session_out_fn,
+};
+
+static clib_error_t *
+snat_det_close_session_in_fn (vlib_main_t *vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ snat_main_t *sm = &snat_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ ip4_address_t in_addr, ext_addr;
+ u16 in_port, ext_port;
+ snat_det_map_t * dm;
+ snat_det_session_t * ses;
+ snat_det_out_key_t key;
+ clib_error_t *error = 0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%U:%d %U:%d",
+ unformat_ip4_address, &in_addr, &in_port,
+ unformat_ip4_address, &ext_addr, &ext_port))
+ ;
+ else
+ {
+ error = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ unformat_free (line_input);
+
+ dm = snat_det_map_by_user (sm, &in_addr);
+ if (!dm)
+ vlib_cli_output (vm, "no match");
+ else
+ {
+ key.ext_host_addr = ext_addr;
+ key.ext_host_port = ntohs (ext_port);
+ ses = snat_det_find_ses_by_in (dm, &in_addr, ntohs(in_port), key);
+ if (!ses)
+ vlib_cli_output (vm, "no match");
+ else
+ snat_det_ses_close(dm, ses);
+ }
+
+done:
+ unformat_free(line_input);
+
+ return error;
+}
+
+/*?
+ * @cliexpar
+ * @cliexstart{snat deterministic close_session_in}
+ * Close session using inside ip address and port
+ * and external ip address and port, use:
+ * vpp# snat deterministic close session in 3.3.3.3:3487 2.2.2.2:2387
+ * @cliexend
+?*/
+VLIB_CLI_COMMAND (snat_det_close_session_in_command, static) = {
+ .path = "snat deterministic close session in",
+ .short_help = "snat deterministic close session in "
+ "<in_addr>:<in_port> <ext_addr>:<ext_port>",
+ .function = snat_det_close_session_in_fn,
+};