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-rw-r--r--vnet/vnet/lib-scv/scv_util.c486
1 files changed, 0 insertions, 486 deletions
diff --git a/vnet/vnet/lib-scv/scv_util.c b/vnet/vnet/lib-scv/scv_util.c
deleted file mode 100644
index e69c8837815..00000000000
--- a/vnet/vnet/lib-scv/scv_util.c
+++ /dev/null
@@ -1,486 +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/vnet.h>
-#include <stdint.h>
-#include <time.h>
-#include <string.h>
-#include <vppinfra/mem.h>
-#include "math64.h"
-#include "scv_util.h"
-
-scv_profile *pow_profile = NULL;
-u16 pow_profile_index = 0;
-u64 total_pkts_using_this_profile = 0;
-u8 chain_path_name[PATH_NAME_SIZE];
-scv_profile profile_list[MAX_SERVICE_PROFILES];
-u8 max_profiles = 0;
-u16 invalid_profile_start_index = 0;
-u8 number_of_invalid_profiles = 0;
-f64 next_time_to_send = 0;
-u32 time_exponent = 1;
-vlib_main_t *gvm = 0;
-
-static void scv_profile_init(scv_profile * new, u16 id)
-{
- if (new)
- {
- memset(new, 0, sizeof(scv_profile));
- new->id = id;
- }
-}
-
-/*
- * Get maximum number of profiles configured for this chain.
- */
-u8 scv_get_max_profiles(void)
-{
- return max_profiles;
-}
-
-scv_profile *scv_profile_find(u16 id)
-{
- u8 max = scv_get_max_profiles();
-
- if (id >= 0 && id < max)
- {
- return (&profile_list[id]);
- }
- return (NULL);
-}
-
-u8 sc_init_done = 0;
-void scv_init(u8 * path_name, u8 max, u8 indx)
-{
- int i = 0;
-
- if (sc_init_done)
- {
- return;
- }
- memcpy(chain_path_name, path_name, strlen((const char *)path_name) + 1);
- max_profiles = max;
- pow_profile_index = indx;
-
- for (i = 0; i < max_profiles; i++)
- {
- scv_profile_init(&profile_list[i], i);
- }
-
- sc_init_done = 1;
-}
-
-void scv_profile_cleanup(scv_profile * profile)
-{
- u16 id = profile->id;
-
- memset(profile, 0, sizeof(scv_profile));
- profile->id = id; /* Restore id alone */
-}
-
-void scv_profile_create(scv_profile * profile, u64 prime,
- u64 poly2, u64 lpc, u64 secret_share, u64 validity)
-{
- if (profile)
- {
- scv_profile_cleanup(profile);
- profile->prime = prime;
- profile->primeinv = 1.0 / prime;
- profile->lpc = lpc;
- profile->poly_pre_eval = poly2;
- profile->secret_share = secret_share;
- profile->validity = validity;
- time_exponent = 1; /* Got a new profile. Reset backoff */
- next_time_to_send = 0; /* and send next request with no delay */
- }
-}
-
-void scv_set_validator(scv_profile * profile, u64 key)
-{
- if (profile)
- {
- profile->validator = 1;
- profile->secret_key = key;
- }
-}
-
-static inline u64 sc_update_cumulative(u64 cumulative, u64 random,
- u64 secret_share, u64 prime, u64 lpc, u64 pre_split, double prime_inv)
-{
- u64 share_random = 0;
- u64 cumulative_new = 0;
-
- /*
- * calculate split share for random
- */
- share_random = add64_mod(pre_split, random, prime, prime_inv);
-
- /*
- * lpc * (share_secret + share_random)
- */
- share_random = add64_mod(share_random, secret_share, prime, prime_inv);
- share_random = mul64_mod(share_random, lpc, prime, prime_inv);
-
- cumulative_new = add64_mod(cumulative, share_random, prime, prime_inv);
-
- return (cumulative_new);
-}
-
-u64 scv_update_cumulative(scv_profile * profile, u64 cumulative, u64 random)
-{
- if (profile && profile->validity != 0)
- {
- return (sc_update_cumulative(cumulative, random, profile->secret_share,
- profile->prime, profile->lpc, profile->poly_pre_eval,
- profile->primeinv));
- }
- return (0);
-}
-
-static u8 sc_validate(u64 secret, u64 prime, double prime_inv,
- u64 cumulative, u64 random)
-{
- if (cumulative == (random + secret))
- {
- return (1);
- }
- else if (cumulative == add64_mod(random, secret, prime, prime_inv))
- {
- return (1);
- }
- return (0);
-}
-
-/*
- * return True if the cumulative matches secret from a profile
- */
-u8 scv_validate(scv_profile * profile, u64 cumulative, u64 random)
-{
- if (profile && profile->validator)
- {
- return (sc_validate(profile->secret_key, profile->prime,
- profile->primeinv, cumulative, random));
- }
- return (0);
-}
-
-/*
- * Utility function to get random number per pack
- */
-u64 scv_generate_random(scv_profile * profile)
-{
- u64 random = 0;
- int32_t second_half;
- static u32 seed = 0;
-
- if (PREDICT_FALSE(!seed))
- seed = random_default_seed();
-
- /*
- * Upper 4 bytes seconds
- */
- random = (u64) time(NULL);
-
- random &= 0xffffffff;
- random = random << 32;
- /*
- * Lower 4 bytes random number
- */
- second_half = random_u32(&seed);
-
- random |= second_half;
-
- if (PREDICT_TRUE(profile != NULL))
- {
- random &= profile->bit_mask;
- }
- return (random);
-}
-
-void scv_profile_set_bit_mask(scv_profile * profile, u16 bits)
-{
- int sizeInBits;
-
- if (profile)
- {
- sizeInBits = sizeof(profile->bit_mask) * 8;
- profile->bit_mask =
- (bits >=
- sizeInBits ? (u64) - 1 : (u64) ((u64) 1 << (u64) bits) - 1);
- }
-}
-
-/*
- * TODO: Use vector buffers and hash tables
- */
-#define MAX_SERVICES 16
-
-clib_error_t *clear_scv_profile_command_fn(vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- int i = 0;
-
- if (!sc_init_done)
- return 0;
-
- for (i = 0; i < max_profiles; i++)
- {
- scv_profile_cleanup(&profile_list[i]);
- }
- pow_profile = NULL;
- pow_profile_index = 0;
- total_pkts_using_this_profile = 0;
- memset(chain_path_name, 0, PATH_NAME_SIZE);
- max_profiles = 0;
- invalid_profile_start_index = 0;
- number_of_invalid_profiles = 0;
- next_time_to_send = 0;
- time_exponent = 1;
- sc_init_done = 0;
-
- return 0;
-}
-
-void clear_scv_profiles()
-{
- clear_scv_profile_command_fn(0, 0, 0);
-}
-
-VLIB_CLI_COMMAND(clear_scv_profile_command) =
-{
-.path = "clear scv profile",
-.short_help = "clear scv profile [<index>|all]",
-.function = clear_scv_profile_command_fn,
-};
-
-static clib_error_t *set_scv_profile_command_fn(vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- u64 prime;
- u64 secret_share, validity;
- u64 secret_key;
- u8 validator = 0;
- u16 profile_id;
- u32 bits;
- u64 lpc = 0, poly2 = 0;
- scv_profile *profile = NULL;
-
- bits = MAX_BITS;
-
- while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat(input, "id %d", &profile_id))
- ;
- else if (unformat(input, "validate-key 0x%Lx", &secret_key))
- validator = 1;
- else if (unformat(input, "prime-number 0x%Lx", &prime))
- ;
- else if (unformat(input, "secret_share 0x%Lx", &secret_share))
- ;
- else if (unformat(input, "polynomial2 0x%Lx", &poly2))
- ;
- else if (unformat(input, "lpc 0x%Lx", &lpc))
- ;
- else if (unformat(input, "validity 0x%Lx", &validity))
- ;
- else if (unformat(input, "bits-in-random %d", &bits))
- {
- if (bits > MAX_BITS)
- bits = MAX_BITS;
- }
- else
- return clib_error_return(0, "unknown input `%U'",
- format_unformat_error, input);
- }
-
- scv_init((u8 *) "TEST", MAX_SERVICE_PROFILES, 0 /* start index */ );
- profile = scv_profile_find(profile_id);
-
- if (profile)
- {
- scv_profile_create(profile, prime, poly2, lpc, secret_share, validity);
- if (validator)
- scv_set_validator(profile, secret_key);
- scv_profile_set_bit_mask(profile, bits);
- }
-
- return 0;
-}
-
-VLIB_CLI_COMMAND(set_scv_profile_command) =
-{
-.path = "set scv profile",
-.short_help = "set scv profile id [0-16] [validator-key 0xu64] \
- prime-number 0xu64 secret_share 0xu64 lpc 0xu64 \
- polynomial2 0xu64 bits-in-random [0-64] ",
-.function = set_scv_profile_command_fn,
-};
-
-static clib_error_t *show_scv_profile_command_fn(vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- scv_profile *p = NULL;
- u16 i;
- u8 *s = 0;
-
- if (sc_init_done == 0)
- {
- s = format(s, "SCV Profiles not configured\n");
- vlib_cli_output(vm, "%v", s);
- return 0;
- }
-
- for (i = 0; i < max_profiles; i++)
- {
- p = scv_profile_find(i);
- if (p->validity == 0)
- continue;
- s = format(s, "SCV Profile at index: %d\n", i);
- s = format(s, " Id : %d\n", p->id);
- s = format(s, " Validator : %s (%d)\n",
- (p->validator) ? "True" : "False", p->validator);
- if (p->validator == 1)
- s = format(s, " Secret key : 0x%Lx (%Ld)\n",
- p->secret_key, p->secret_key);
- s = format(s, " Secret share : 0x%Lx (%Ld)\n",
- p->secret_share, p->secret_share);
- s = format(s, " Prime number : 0x%Lx (%Ld)\n",
- p->prime, p->prime);
- s = format(s, "2nd polynomial(eval) : 0x%Lx (%Ld)\n",
- p->poly_pre_eval, p->poly_pre_eval);
- s = format(s, " LPC : 0x%Lx (%Ld)\n", p->lpc, p->lpc);
-
- s = format(s, " Bit mask : 0x%Lx (%Ld)\n",
- p->bit_mask, p->bit_mask);
- s = format(s, " Validity : 0x%Lx (%Ld)\n",
- p->validity, p->validity);
- }
-
- if (max_profiles)
- {
- p = scv_profile_find(pow_profile_index);
-
- s = format(s, "\nInvalid profiles start : %d Number : %d\n",
- invalid_profile_start_index, number_of_invalid_profiles);
-
- if (next_time_to_send)
- s = format(s, "\nNext time to send : %U, time_exponent:%ld\n",
- format_time_interval, "d:h:m:s:f:u",
- next_time_to_send, time_exponent);
- else
- s = format(s, "\nNext time to send : Immediate\n");
- s = format(s, "\nPath name : %s\n", chain_path_name);
- s = format(s, "\nProfile index in use: %d\n", pow_profile_index);
- s = format(s, "Pkts passed : 0x%Lx (validity:0x%Lx)\n",
- total_pkts_using_this_profile, p->validity);
- if (scv_is_decap(p))
- s = format(s, " This is Decap node. \n");
- vlib_cli_output(vm, "%v", s);
- }
- vec_free(s);
-
- return 0;
-}
-
-VLIB_CLI_COMMAND(show_scv_profile_command) =
-{
-.path = "show scv profile",
-.short_help = "show scv profile",
-.function = show_scv_profile_command_fn,
-};
-
-static clib_error_t *test_profile_renew_refresh_fn(vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- u8 renew_or_refresh = 0;
-
-#define TEST_PROFILE_RENEW 1
-#define TEST_PROFILE_REFRESH 2
- u8 *path_name = 0;
- u32 start_index = 0, num_profiles = 0;
- int rc = 0;
-
- while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat(input, "path-name %s start-index %d num-profiles %d",
- &path_name, &start_index, &num_profiles))
- ;
- else if (unformat(input, "renew"))
- renew_or_refresh = TEST_PROFILE_RENEW;
- else if (unformat(input, "refresh"))
- renew_or_refresh = TEST_PROFILE_REFRESH;
- else
- break;
- }
-
- if (renew_or_refresh == TEST_PROFILE_RENEW)
- {
-
- rc = scv_profile_renew(path_name, (u8) start_index, (u8) num_profiles);
- }
- else if (renew_or_refresh == TEST_PROFILE_REFRESH)
- {
-
- rc = scv_profile_refresh(path_name, (u8) start_index,
- (u8) num_profiles);
- }
- else
- {
- vec_free(path_name);
- return clib_error_return(0, "Enter renew or refresh");
- }
-
- vlib_cli_output(vm, "%s notification %s. rc = %d\n",
- (renew_or_refresh == TEST_PROFILE_RENEW) ? "Renew" : "Refresh",
- (rc != 0) ? "failed" : "sent", (u32) rc);
-
- vec_free(path_name);
-
- return 0;
-}
-
-VLIB_CLI_COMMAND(test_ioam_profile_renew_refresh_cmd, static) =
-{
-.path = "test ioam profile-notification ",
-.short_help =
- "test ioam profile-notification path-name <string> start-index <index> num-profiles <number> <renew|refresh>",
-.function = test_profile_renew_refresh_fn,
-};
-
-static clib_error_t *set_scv_init_fn(vlib_main_t * vm,
- unformat_input_t * input, vlib_cli_command_t * cmd)
-{
- u8 *path_name = 0;
- u32 start_index = 0, num_profiles = 0;
-
- while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat(input, "path-name %s start-index %d num-profiles %d",
- &path_name, &start_index, &num_profiles))
- scv_init(path_name, num_profiles, start_index);
- else
- return clib_error_return(0, "unknown input `%U'",
- format_unformat_error, input);
- }
- vec_free(path_name);
- return 0;
-}
-
-VLIB_CLI_COMMAND(set_ioam_sc_init_command, static) =
-{
-.path = "set scv-init ",
-.short_help =
- "set scv-init path-name <string> start-index <index> num-profiles <number>",
-.function = set_scv_init_fn,
-};