diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vnet/CMakeLists.txt | 17 | ||||
| -rw-r--r-- | src/vnet/classify/vnet_classify.c | 11 | ||||
| -rw-r--r-- | src/vnet/l2/l2_classify.h | 1 | ||||
| -rw-r--r-- | src/vnet/l2/l2_input_classify.c | 1 | ||||
| -rw-r--r-- | src/vnet/lawful-intercept/lawful_intercept.c | 122 | ||||
| -rw-r--r-- | src/vnet/lawful-intercept/lawful_intercept.h | 54 | ||||
| -rw-r--r-- | src/vnet/lawful-intercept/node.c | 286 |
7 files changed, 5 insertions, 487 deletions
diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt index 973a6c9434b..fb8d294009d 100644 --- a/src/vnet/CMakeLists.txt +++ b/src/vnet/CMakeLists.txt @@ -895,23 +895,6 @@ list(APPEND VNET_HEADERS ) ############################################################################## -# lawful intercept -############################################################################## - -list(APPEND VNET_SOURCES - lawful-intercept/lawful_intercept.c - lawful-intercept/node.c -) - -list(APPEND VNET_MULTIARCH_SOURCES - lawful-intercept/node.c -) - -list(APPEND VNET_HEADERS - lawful-intercept/lawful_intercept.h -) - -############################################################################## # SPAN (port mirroring) ############################################################################## diff --git a/src/vnet/classify/vnet_classify.c b/src/vnet/classify/vnet_classify.c index fc694492f4e..77c1c81f9c4 100644 --- a/src/vnet/classify/vnet_classify.c +++ b/src/vnet/classify/vnet_classify.c @@ -1331,12 +1331,11 @@ unformat_classify_mask (unformat_input_t * input, va_list * args) return 0; } -#define foreach_l2_input_next \ -_(drop, DROP) \ -_(ethernet, ETHERNET_INPUT) \ -_(ip4, IP4_INPUT) \ -_(ip6, IP6_INPUT) \ -_(li, LI) +#define foreach_l2_input_next \ + _ (drop, DROP) \ + _ (ethernet, ETHERNET_INPUT) \ + _ (ip4, IP4_INPUT) \ + _ (ip6, IP6_INPUT) uword unformat_l2_input_next_index (unformat_input_t * input, va_list * args) diff --git a/src/vnet/l2/l2_classify.h b/src/vnet/l2/l2_classify.h index 68a2bb98e64..3c86fb5ca86 100644 --- a/src/vnet/l2/l2_classify.h +++ b/src/vnet/l2/l2_classify.h @@ -39,7 +39,6 @@ typedef enum L2_INPUT_CLASSIFY_NEXT_ETHERNET_INPUT, L2_INPUT_CLASSIFY_NEXT_IP4_INPUT, L2_INPUT_CLASSIFY_NEXT_IP6_INPUT, - L2_INPUT_CLASSIFY_NEXT_LI, L2_INPUT_CLASSIFY_N_NEXT, } l2_input_classify_next_t; diff --git a/src/vnet/l2/l2_input_classify.c b/src/vnet/l2/l2_input_classify.c index 248158310a1..cc031bd46a5 100644 --- a/src/vnet/l2/l2_input_classify.c +++ b/src/vnet/l2/l2_input_classify.c @@ -461,7 +461,6 @@ VLIB_REGISTER_NODE (l2_input_classify_node) = { [L2_INPUT_CLASSIFY_NEXT_ETHERNET_INPUT] = "ethernet-input-not-l2", [L2_INPUT_CLASSIFY_NEXT_IP4_INPUT] = "ip4-input", [L2_INPUT_CLASSIFY_NEXT_IP6_INPUT] = "ip6-input", - [L2_INPUT_CLASSIFY_NEXT_LI] = "li-hit", }, }; diff --git a/src/vnet/lawful-intercept/lawful_intercept.c b/src/vnet/lawful-intercept/lawful_intercept.c deleted file mode 100644 index 61b1a6165f4..00000000000 --- a/src/vnet/lawful-intercept/lawful_intercept.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Copyright (c) 2015 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <vnet/lawful-intercept/lawful_intercept.h> - -li_main_t li_main; - -static clib_error_t * -set_li_command_fn (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - li_main_t *lm = &li_main; - ip4_address_t collector; - u8 collector_set = 0; - ip4_address_t src; - u8 src_set = 0; - u32 tmp; - u16 udp_port = 0; - u8 is_add = 1; - int i; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (input, "collector %U", unformat_ip4_address, &collector)) - collector_set = 1; - if (unformat (input, "src %U", unformat_ip4_address, &src)) - src_set = 1; - else if (unformat (input, "udp-port %d", &tmp)) - udp_port = tmp; - else if (unformat (input, "del")) - is_add = 0; - else - break; - } - - if (collector_set == 0) - return clib_error_return (0, "collector must be set..."); - if (src_set == 0) - return clib_error_return (0, "src must be set..."); - if (udp_port == 0) - return clib_error_return (0, "udp-port must be set..."); - - if (is_add == 1) - { - for (i = 0; i < vec_len (lm->collectors); i++) - { - if (lm->collectors[i].as_u32 == collector.as_u32) - { - if (lm->ports[i] == udp_port) - return clib_error_return ( - 0, "collector %U:%d already configured", format_ip4_address, - &collector, udp_port); - else - return clib_error_return ( - 0, "collector %U already configured with port %d", - format_ip4_address, &collector, (int) (lm->ports[i])); - } - } - vec_add1 (lm->collectors, collector); - vec_add1 (lm->ports, udp_port); - vec_add1 (lm->src_addrs, src); - return 0; - } - else - { - for (i = 0; i < vec_len (lm->collectors); i++) - { - if ((lm->collectors[i].as_u32 == collector.as_u32) - && lm->ports[i] == udp_port) - { - vec_delete (lm->collectors, 1, i); - vec_delete (lm->ports, 1, i); - vec_delete (lm->src_addrs, 1, i); - return 0; - } - } - return clib_error_return (0, "collector %U:%d not configured", - &collector, udp_port); - } - return 0; -} - -VLIB_CLI_COMMAND (set_li_command, static) = { - .path = "set li", - .short_help = - "set li src <ip4-address> collector <ip4-address> udp-port <nnnn>", - .function = set_li_command_fn, -}; - -static clib_error_t * -li_init (vlib_main_t * vm) -{ - li_main_t *lm = &li_main; - - lm->vlib_main = vm; - lm->vnet_main = vnet_get_main (); - lm->hit_node_index = li_hit_node.index; - return 0; -} - -VLIB_INIT_FUNCTION (li_init); - - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/vnet/lawful-intercept/lawful_intercept.h b/src/vnet/lawful-intercept/lawful_intercept.h deleted file mode 100644 index ba74204fb9e..00000000000 --- a/src/vnet/lawful-intercept/lawful_intercept.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Copyright (c) 2015 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef __lawful_intercept_h__ -#define __lawful_intercept_h__ - -#include <vnet/vnet.h> -#include <vnet/ip/ip.h> - -typedef struct -{ - /* LI collector info */ - ip4_address_t *src_addrs; - ip4_address_t *collectors; - u16 *ports; - - /* Hit node index */ - u32 hit_node_index; - - /* convenience */ - vlib_main_t *vlib_main; - vnet_main_t *vnet_main; -} li_main_t; - -extern li_main_t li_main; - -typedef CLIB_PACKED(struct { - ip4_header_t ip4; - udp_header_t udp; -}) ip4_udp_header_t; - -extern vlib_node_registration_t li_hit_node; - -#endif /* __lawful_intercept_h__ */ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ diff --git a/src/vnet/lawful-intercept/node.c b/src/vnet/lawful-intercept/node.c deleted file mode 100644 index 86f135b9ea1..00000000000 --- a/src/vnet/lawful-intercept/node.c +++ /dev/null @@ -1,286 +0,0 @@ -/* - * Copyright (c) 2015 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <vlib/vlib.h> -#include <vnet/vnet.h> -#include <vppinfra/error.h> - -#include <vnet/lawful-intercept/lawful_intercept.h> - -#include <vppinfra/error.h> -#include <vppinfra/elog.h> - -extern vlib_node_registration_t li_hit_node; - -typedef struct -{ - u32 next_index; -} li_hit_trace_t; - -/* packet trace format function */ -static u8 * -format_li_hit_trace (u8 * s, va_list * args) -{ - CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); - CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); - li_hit_trace_t *t = va_arg (*args, li_hit_trace_t *); - - s = format (s, "LI_HIT: next index %d", t->next_index); - - return s; -} - -#define foreach_li_hit_error \ -_(HITS, "LI packets processed") \ -_(NO_COLLECTOR, "No collector configured") \ -_(BUFFER_ALLOCATION_FAILURE, "Buffer allocation failure") - -typedef enum -{ -#define _(sym,str) LI_HIT_ERROR_##sym, - foreach_li_hit_error -#undef _ - LI_HIT_N_ERROR, -} li_hit_error_t; - -static char *li_hit_error_strings[] = { -#define _(sym,string) string, - foreach_li_hit_error -#undef _ -}; - -typedef enum -{ - LI_HIT_NEXT_ETHERNET, - LI_HIT_N_NEXT, -} li_hit_next_t; - -VLIB_NODE_FN (li_hit_node) (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame) -{ - u32 n_left_from, *from, *to_next; - li_hit_next_t next_index; - vlib_frame_t *int_frame = 0; - u32 *to_int_next = 0; - li_main_t *lm = &li_main; - - from = vlib_frame_vector_args (frame); - n_left_from = frame->n_vectors; - next_index = node->cached_next_index; - - if (PREDICT_FALSE (vec_len (lm->collectors) == 0)) - { - vlib_node_increment_counter (vm, li_hit_node.index, - LI_HIT_ERROR_NO_COLLECTOR, n_left_from); - } - else - { - /* The intercept frame... */ - int_frame = vlib_get_frame_to_node (vm, ip4_lookup_node.index); - to_int_next = vlib_frame_vector_args (int_frame); - } - - while (n_left_from > 0) - { - u32 n_left_to_next; - - vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next); - -#if 0 - while (n_left_from >= 4 && n_left_to_next >= 2) - { - u32 next0 = LI_HIT_NEXT_INTERFACE_OUTPUT; - u32 next1 = LI_HIT_NEXT_INTERFACE_OUTPUT; - u32 sw_if_index0, sw_if_index1; - u8 tmp0[6], tmp1[6]; - ethernet_header_t *en0, *en1; - u32 bi0, bi1; - vlib_buffer_t *b0, *b1; - - /* Prefetch next iteration. */ - { - vlib_buffer_t *p2, *p3; - - p2 = vlib_get_buffer (vm, from[2]); - p3 = vlib_get_buffer (vm, from[3]); - - vlib_prefetch_buffer_header (p2, LOAD); - vlib_prefetch_buffer_header (p3, LOAD); - - clib_prefetch_store (p2->data); - clib_prefetch_store (p3->data); - } - - /* speculatively enqueue b0 and b1 to the current next frame */ - to_next[0] = bi0 = from[0]; - to_next[1] = bi1 = from[1]; - from += 2; - to_next += 2; - n_left_from -= 2; - n_left_to_next -= 2; - - b0 = vlib_get_buffer (vm, bi0); - b1 = vlib_get_buffer (vm, bi1); - - /* $$$$$ Dual loop: process 2 x packets here $$$$$ */ - ASSERT (b0->current_data == 0); - ASSERT (b1->current_data == 0); - - en0 = vlib_buffer_get_current (b0); - en1 = vlib_buffer_get_current (b1); - - sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX]; - sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX]; - - /* Send pkt back out the RX interface */ - vnet_buffer (b0)->sw_if_index[VLIB_TX] = sw_if_index0; - vnet_buffer (b1)->sw_if_index[VLIB_TX] = sw_if_index1; - - /* $$$$$ End of processing 2 x packets $$$$$ */ - - if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE))) - { - if (b0->flags & VLIB_BUFFER_IS_TRACED) - { - li_hit_trace_t *t = - vlib_add_trace (vm, node, b0, sizeof (*t)); - t->sw_if_index = sw_if_index0; - t->next_index = next0; - } - if (b1->flags & VLIB_BUFFER_IS_TRACED) - { - li_hit_trace_t *t = - vlib_add_trace (vm, node, b1, sizeof (*t)); - t->sw_if_index = sw_if_index1; - t->next_index = next1; - } - } - - /* verify speculative enqueues, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x2 (vm, node, next_index, - to_next, n_left_to_next, - bi0, bi1, next0, next1); - } -#endif /* $$$ dual-loop off */ - - while (n_left_from > 0 && n_left_to_next > 0) - { - u32 bi0; - vlib_buffer_t *b0; - vlib_buffer_t *c0; - ip4_udp_header_t *iu0; - ip4_header_t *ip0; - udp_header_t *udp0; - u32 next0 = LI_HIT_NEXT_ETHERNET; - - /* speculatively enqueue b0 to the current next frame */ - bi0 = from[0]; - to_next[0] = bi0; - from += 1; - to_next += 1; - n_left_from -= 1; - n_left_to_next -= 1; - - b0 = vlib_get_buffer (vm, bi0); - if (PREDICT_TRUE (to_int_next != 0)) - { - /* Make an intercept copy. This can fail. */ - c0 = vlib_buffer_copy (vm, b0); - - if (PREDICT_FALSE (c0 == 0)) - { - vlib_node_increment_counter - (vm, node->node_index, - LI_HIT_ERROR_BUFFER_ALLOCATION_FAILURE, 1); - goto skip; - } - - vlib_buffer_advance (c0, -sizeof (*iu0)); - - iu0 = vlib_buffer_get_current (c0); - ip0 = &iu0->ip4; - - ip0->ip_version_and_header_length = 0x45; - ip0->ttl = 254; - ip0->protocol = IP_PROTOCOL_UDP; - - ip0->src_address.as_u32 = lm->src_addrs[0].as_u32; - ip0->dst_address.as_u32 = lm->collectors[0].as_u32; - ip0->length = vlib_buffer_length_in_chain (vm, c0); - ip0->checksum = ip4_header_checksum (ip0); - - udp0 = &iu0->udp; - udp0->src_port = udp0->dst_port = - clib_host_to_net_u16 (lm->ports[0]); - udp0->checksum = 0; - udp0->length = - clib_net_to_host_u16 (vlib_buffer_length_in_chain (vm, b0)); - - to_int_next[0] = vlib_get_buffer_index (vm, c0); - to_int_next++; - } - - skip: - if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) - && (b0->flags & VLIB_BUFFER_IS_TRACED))) - { - li_hit_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t)); - t->next_index = next0; - } - - /* verify speculative enqueue, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, - to_next, n_left_to_next, - bi0, next0); - } - - vlib_put_next_frame (vm, node, next_index, n_left_to_next); - } - - if (int_frame) - { - int_frame->n_vectors = frame->n_vectors; - vlib_put_frame_to_node (vm, ip4_lookup_node.index, int_frame); - } - - vlib_node_increment_counter (vm, li_hit_node.index, - LI_HIT_ERROR_HITS, frame->n_vectors); - return frame->n_vectors; -} - -VLIB_REGISTER_NODE (li_hit_node) = { - .name = "li-hit", - .vector_size = sizeof (u32), - .format_trace = format_li_hit_trace, - .type = VLIB_NODE_TYPE_INTERNAL, - - .n_errors = ARRAY_LEN(li_hit_error_strings), - .error_strings = li_hit_error_strings, - - .n_next_nodes = LI_HIT_N_NEXT, - - /* edit / add dispositions here */ - .next_nodes = { - [LI_HIT_NEXT_ETHERNET] = "ethernet-input-not-l2", - }, -}; - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |