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path: root/test/test_string.py
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#!/usr/bin/env python3

import unittest

from framework import VppTestCase, VppTestRunner
from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath


class TestString(VppTestCase):
    """ String Test Cases """

    @classmethod
    def setUpClass(cls):
        super(TestString, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestString, cls).tearDownClass()

    def setUp(self):
        super(TestString, self).setUp()

    def tearDown(self):
        super(TestString, self).tearDown()

    def test_string_unittest(self):
        """ String unit tests """
        names = ["memcpy_s",
                 "clib_memcmp", "clib_memcpy", "clib_memset",
                 "clib_strcat", "clib_strcmp", "clib_strcpy",
                 "clib_strncat", "clib_strncmp", "clib_strncpy",
                 "clib_strnlen", "clib_strstr", "clib_strtok",
                 "memcmp_s", "memcpy_s", "memset_s ",
                 "strcat_s", "strcmp_s", "strcpy_s",
                 "strncat_s", "strncmp_s", "strncpy_s",
                 "strnlen_s", "strstr_s", "strtok_s"]

        for name in names:
            error = self.vapi.cli("test string " + name)
            if error.find("failed") != -1:
                self.logger.critical("FAILURE in the " + name + " test")
                self.assertNotIn("failed", error)

if __name__ == '__main__':
    unittest.main(testRunner=VppTestRunner)
hlight .gr { color: #aa0000 } /* Generic.Error */ .highlight .gh { color: #333333 } /* Generic.Heading */ .highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */ }
/*
 * Copyright (c) 2017 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.
 */
/**
 * @file
 * @brief NAT64 global declarations
 */
#ifndef __included_nat64_h__
#define __included_nat64_h__

#include <nat/nat.h>
#include <nat/nat64_db.h>

#define foreach_nat64_tcp_ses_state            \
  _(0, CLOSED, "closed")                       \
  _(1, V4_INIT, "v4-init")                     \
  _(2, V6_INIT, "v6-init")                     \
  _(3, ESTABLISHED, "established")             \
  _(4, V4_FIN_RCV, "v4-fin-rcv")               \
  _(5, V6_FIN_RCV, "v6-fin-rcv")               \
  _(6, V6_FIN_V4_FIN_RCV, "v6-fin-v4-fin-rcv") \
  _(7, TRANS, "trans")

typedef enum
{
#define _(v, N, s) NAT64_TCP_STATE_##N = v,
  foreach_nat64_tcp_ses_state
#undef _
} nat64_tcp_ses_state_t;

enum
{
  NAT64_CLEANER_RESCHEDULE = 1,
} nat64_cleaner_process_event_e;

typedef struct
{
  ip6_address_t prefix;
  u8 plen;
  u32 vrf_id;
  u32 fib_index;
} nat64_prefix_t;

typedef struct
{
  ip6_address_t in_addr;
  u16 in_port;
  ip4_address_t out_addr;
  u16 out_port;
  u32 fib_index;
  u32 thread_index;
  u8 proto;
  u8 is_add;
  u8 done;
} nat64_static_bib_to_update_t;

typedef struct
{
  /** Interface pool */
  snat_interface_t *interfaces;

  /** Address pool vector */
  snat_address_t *addr_pool;

  /** sw_if_indices whose interface addresses should be auto-added */
  u32 *auto_add_sw_if_indices;

  /** Pref64 vector */
  nat64_prefix_t *pref64;

  /** BIB and session DB per thread */
  nat64_db_t *db;

  /** Worker handoff */
  u32 fq_in2out_index;
  u32 fq_out2in_index;

  /** Pool of static BIB entries to be added/deleted in worker threads */
  nat64_static_bib_to_update_t *static_bibs;

  u32 error_node_index;

  /** config parameters */
  u32 bib_buckets;
  u32 bib_memory_size;
  u32 st_buckets;
  u32 st_memory_size;

  /** values of various timeouts */
  u32 udp_timeout;
  u32 icmp_timeout;
  u32 tcp_trans_timeout;
  u32 tcp_est_timeout;

  /* Total count of interfaces enabled */
  u32 total_enabled_count;
  /* The process node which orcherstrates the cleanup */
  u32 nat64_expire_walk_node_index;

  ip4_main_t *ip4_main;
  snat_main_t *sm;
} nat64_main_t;

extern nat64_main_t nat64_main;
extern vlib_node_registration_t nat64_in2out_node;
extern vlib_node_registration_t nat64_out2in_node;

/**
 * @brief Add/delete address to NAT64 pool.
 *
 * @param addr   IPv4 address.
 * @param vrf_id VRF id of tenant, ~0 means independent of VRF.
 * @param is_add 1 if add, 0 if delete.
 *
 * @returns 0 on success, non-zero value otherwise.
 */
int nat64_add_del_pool_addr (ip4_address_t * addr, u32 vrf_id, u8 is_add);

/**
 * @brief Call back function when walking addresses in NAT64 pool, non-zero
 * return value stop walk.
 */
typedef int (*nat64_pool_addr_walk_fn_t) (snat_address_t * addr, void *ctx);

/**
 * @brief Walk NAT64 pool.
 *
 * @param fn The function to invoke on each entry visited.
 * @param ctx A context passed in the visit function.
 */
void nat64_pool_addr_walk (nat64_pool_addr_walk_fn_t fn, void *ctx);

/**
 * @brief NAT64 pool address from specific (DHCP addressed) interface.
 *
 * @param sw_if_index Index of the interface.
 * @param is_add      1 if add, 0 if delete.
 *
 * @returns 0 on success, non-zero value otherwise.
 */
int nat64_add_interface_address (u32 sw_if_index, int is_add);

/**
 * @brief Enable/disable NAT64 feature on the interface.
 *
 * @param sw_if_index Index of the interface.
 * @param is_inside   1 if inside, 0 if outside.
 * @param is_add      1 if add, 0 if delete.
 *
 * @returns 0 on success, non-zero value otherwise.
 */
int nat64_add_del_interface (u32 sw_if_index, u8 is_inside, u8 is_add);

/**
 * @brief Call back function when walking interfaces with NAT64 feature,
 * non-zero return value stop walk.
 */
typedef int (*nat64_interface_walk_fn_t) (snat_interface_t * i, void *ctx);

/**
 * @brief Walk NAT64 interfaces.
 *
 * @param fn The function to invoke on each entry visited.
 * @param ctx A context passed in the visit function.
 */
void nat64_interfaces_walk (nat64_interface_walk_fn_t fn, void *ctx);

/**
 * @brief Initialize NAT64.
 *
 * @param vm vlib main.
 *
 * @return error code.
 */
clib_error_t *nat64_init (vlib_main_t * vm);

/**
 * @brief Add/delete static NAT64 BIB entry.
 *
 * @param in_addr  Inside IPv6 address.
 * @param out_addr Outside IPv4 address.
 * @param in_port  Inside port number.
 * @param out_port Outside port number.
 * @param proto    L4 protocol.
 * @param vrf_id   VRF id of tenant.
 * @param is_add   1 if add, 0 if delete.
 *
 * @returns 0 on success, non-zero value otherwise.
 */
int nat64_add_del_static_bib_entry (ip6_address_t * in_addr,
				    ip4_address_t * out_addr, u16 in_port,
				    u16 out_port, u8 proto, u32 vrf_id,
				    u8 is_add);

/**
 * @brief Alloce IPv4 address and port pair from NAT64 pool.
 *
 * @param fib_index    FIB index of tenant.
 * @param proto        L4 protocol.
 * @param addr         Allocated IPv4 address.
 * @param port         Allocated port number.
 * @param thread_index Thread index.
 *
 * @returns 0 on success, non-zero value otherwise.
 */
int nat64_alloc_out_addr_and_port (u32 fib_index, snat_protocol_t proto,
				   ip4_address_t * addr, u16 * port,
				   u32 thread_index);

/**
 * @brief Set UDP session timeout.
 *
 * @param timeout Timeout value in seconds (if 0 reset to default value 300sec).
 *
 * @returns 0 on success, non-zero value otherwise.
 */
int nat64_set_udp_timeout (u32 timeout);

/**
 * @brief Get UDP session timeout.
 *
 * @returns UDP session timeout in seconds.
 */
u32 nat64_get_udp_timeout (void);

/**
 * @brief Set ICMP session timeout.
 *
 * @param timeout Timeout value in seconds (if 0 reset to default value 60sec).
 *
 * @returns 0 on success, non-zero value otherwise.
 */
int nat64_set_icmp_timeout (u32 timeout);

/**
 * @brief Get ICMP session timeout.
 *
 * @returns ICMP session timeout in seconds.
 */
u32 nat64_get_icmp_timeout (void);

/**
 * @brief Set TCP session timeouts.
 *
 * @param trans Transitory timeout in seconds (if 0 reset to default value 240sec).
 * @param est Established timeout in seconds (if 0 reset to default value 7440sec).
 *
 * @returns 0 on success, non-zero value otherwise.
 */
int nat64_set_tcp_timeouts (u32 trans, u32 est);

/**
 * @brief Get TCP transitory timeout.
 *
 * @returns TCP transitory timeout in seconds.
 */
u32 nat64_get_tcp_trans_timeout (void);

/**
 * @brief Get TCP established timeout.
 *
 * @returns TCP established timeout in seconds.
 */
u32 nat64_get_tcp_est_timeout (void);

/**
 * @brief Reset NAT64 session timeout.
 *
 * @param ste Session table entry.
 * @param vm VLIB main.
 **/
void nat64_session_reset_timeout (nat64_db_st_entry_t * ste,
				  vlib_main_t * vm);

/**
 * @brief Set NAT64 TCP session state.
 *
 * @param ste Session table entry.
 * @param tcp TCP header.
 * @param is_ip6 1 if IPv6 packet, 0 if IPv4.
 */
void nat64_tcp_session_set_state (nat64_db_st_entry_t * ste,
				  tcp_header_t * tcp, u8 is_ip6);

/**
 * @brief Add/delete NAT64 prefix.
 *
 * @param prefix NAT64 prefix.
 * @param plen Prefix length.
 * @param vrf_id VRF id of tenant.
 * @param is_add 1 if add, 0 if delete.
 *
 * @returns 0 on success, non-zero value otherwise.
 */
int nat64_add_del_prefix (ip6_address_t * prefix, u8 plen, u32 vrf_id,
			  u8 is_add);

/**
 * @brief Call back function when walking addresses in NAT64 prefixes, non-zero
 * return value stop walk.
 */
typedef int (*nat64_prefix_walk_fn_t) (nat64_prefix_t * pref64, void *ctx);

/**
 * @brief Walk NAT64 prefixes.
 *
 * @param fn The function to invoke on each entry visited.
 * @param ctx A context passed in the visit function.
 */
void nat64_prefix_walk (nat64_prefix_walk_fn_t fn, void *ctx);

/**
 * Compose IPv4-embedded IPv6 addresses.
 * @param ip6 IPv4-embedded IPv6 addresses.
 * @param ip4 IPv4 address.
 * @param fib_index Tenant FIB index.
 */
void nat64_compose_ip6 (ip6_address_t * ip6, ip4_address_t * ip4,
			u32 fib_index);

/**
 * Extract IPv4 address from the IPv4-embedded IPv6 addresses.
 *
 * @param ip6 IPv4-embedded IPv6 addresses.
 * @param ip4 IPv4 address.
 * @param fib_index Tenant FIB index.
 */
void nat64_extract_ip4 (ip6_address_t * ip6, ip4_address_t * ip4,
			u32 fib_index);

/**
 * @brief Set NAT64 hash tables configuration.
 *
 * @param bib_buckets Number of BIB hash buckets.
 * @param bib_memory_size Memory size of BIB hash.
 * @param st_buckets Number of session table hash buckets.
 * @param st_memory_size Memory size of session table hash.
 */
void nat64_set_hash (u32 bib_buckets, u32 bib_memory_size, u32 st_buckets,
		     u32 st_memory_size);

/**
 * @brief Get worker thread index for NAT64 in2out.
 *
 * @param addr IPv6 src address.
 *
 * @returns worker thread index.
 */
u32 nat64_get_worker_in2out (ip6_address_t * addr);

/**
 * @brief Get worker thread index for NAT64 out2in.
 *
 * @param ip IPv4 header.
 *
 * @returns worker thread index.
 */
u32 nat64_get_worker_out2in (ip4_header_t * ip);

#endif /* __included_nat64_h__ */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */