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/* Self tests for parsing connection specs for GDB, the GNU debugger.
Copyright (C) 2018-2020 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbsupport/selftest.h"
#include "gdbsupport/netstuff.h"
#include "diagnostics.h"
#ifdef USE_WIN32API
#include <ws2tcpip.h>
#else
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/tcp.h>
#endif
namespace selftests {
namespace parse_connection_spec_tests {
/* Auxiliary struct that holds info about a specific test for a
connection spec. */
struct parse_conn_test
{
/* The connection spec. */
const char *connspec;
/* Expected result from 'parse_connection_spec'. */
parsed_connection_spec expected_result;
/* True if this test should fail, false otherwise. If true, only
the CONNSPEC field should be considered as valid. */
bool should_fail;
/* The expected AI_FAMILY to be found on the 'struct addrinfo'
HINT. */
int exp_ai_family;
/* The expected AI_SOCKTYPE to be found on the 'struct addrinfo'
HINT. */
int exp_ai_socktype;
/* The expected AI_PROTOCOL to be found on the 'struct addrinfo'
HINT. */
int exp_ai_protocol;
};
/* Some defines to help us fill a 'struct parse_conn_test'. */
/* Initialize a full entry. */
#define INIT_ENTRY(ADDR, EXP_HOST, EXP_PORT, SHOULD_FAIL, EXP_AI_FAMILY, \
EXP_AI_SOCKTYPE, EXP_AI_PROTOCOL) \
{ ADDR, { EXP_HOST, EXP_PORT }, SHOULD_FAIL, EXP_AI_FAMILY, \
EXP_AI_SOCKTYPE, EXP_AI_PROTOCOL }
/* Initialize an unprefixed entry. In this case, we don't expect
anything on the 'struct addrinfo' HINT. */
#define INIT_UNPREFIXED_ENTRY(ADDR, EXP_HOST, EXP_PORT) \
INIT_ENTRY (ADDR, EXP_HOST, EXP_PORT, false, 0, 0, 0)
/* Initialized an unprefixed IPv6 entry. In this case, we don't
expect anything on the 'struct addrinfo' HINT. */
#define INIT_UNPREFIXED_IPV6_ENTRY(ADDR, EXP_HOST, EXP_PORT) \
INIT_ENTRY (ADDR, EXP_HOST, EXP_PORT, false, AF_INET6, 0, 0)
/* Initialize a prefixed entry. */
#define INIT_PREFIXED_ENTRY(ADDR, EXP_HOST, EXP_PORT, EXP_AI_FAMILY, \
EXP_AI_SOCKTYPE, EXP_AI_PROTOCOL) \
INIT_ENTRY (ADDR, EXP_HOST, EXP_PORT, false, EXP_AI_FAMILY, \
EXP_AI_SOCKTYPE, EXP_AI_PROTOCOL)
/* Initialize an entry prefixed with "tcp4:". */
#define INIT_PREFIXED_IPV4_TCP(ADDR, EXP_HOST, EXP_PORT) \
INIT_PREFIXED_ENTRY (ADDR, EXP_HOST, EXP_PORT, AF_INET, SOCK_STREAM, \
IPPROTO_TCP)
/* Initialize an entry prefixed with "tcp6:". */
#define INIT_PREFIXED_IPV6_TCP(ADDR, EXP_HOST, EXP_PORT) \
INIT_PREFIXED_ENTRY (ADDR, EXP_HOST, EXP_PORT, AF_INET6, SOCK_STREAM, \
IPPROTO_TCP)
/* Initialize an entry prefixed with "udp4:". */
#define INIT_PREFIXED_IPV4_UDP(ADDR, EXP_HOST, EXP_PORT) \
INIT_PREFIXED_ENTRY (ADDR, EXP_HOST, EXP_PORT, AF_INET, SOCK_DGRAM, \
IPPROTO_UDP)
/* Initialize an entry prefixed with "udp6:". */
#define INIT_PREFIXED_IPV6_UDP(ADDR, EXP_HOST, EXP_PORT) \
INIT_PREFIXED_ENTRY (ADDR, EXP_HOST, EXP_PORT, AF_INET6, SOCK_DGRAM, \
IPPROTO_UDP)
/* Initialize a bogus entry, i.e., a connection spec that should
fail. */
#define INIT_BOGUS_ENTRY(ADDR) \
INIT_ENTRY (ADDR, "", "", true, 0, 0, 0)
/* The variable which holds all of our tests. */
static const parse_conn_test conn_test[] =
{
/* Unprefixed addresses. */
/* IPv4, host and port present. */
INIT_UNPREFIXED_ENTRY ("127.0.0.1:1234", "127.0.0.1", "1234"),
/* IPv4, only host. */
INIT_UNPREFIXED_ENTRY ("127.0.0.1", "127.0.0.1", ""),
/* IPv4, missing port. */
INIT_UNPREFIXED_ENTRY ("127.0.0.1:", "127.0.0.1", ""),
/* IPv6, host and port present, no brackets. */
INIT_UNPREFIXED_ENTRY ("::1:1234", "::1", "1234"),
/* IPv6, missing port, no brackets. */
INIT_UNPREFIXED_ENTRY ("::1:", "::1", ""),
/* IPv6, host and port present, with brackets. */
INIT_UNPREFIXED_IPV6_ENTRY ("[::1]:1234", "::1", "1234"),
/* IPv6, only host, with brackets. */
INIT_UNPREFIXED_IPV6_ENTRY ("[::1]", "::1", ""),
/* IPv6, missing port, with brackets. */
INIT_UNPREFIXED_IPV6_ENTRY ("[::1]:", "::1", ""),
/* Unspecified, only port. */
INIT_UNPREFIXED_ENTRY (":1234", "localhost", "1234"),
/* Prefixed addresses. */
/* Prefixed "tcp4:" IPv4, host and port presents. */
INIT_PREFIXED_IPV4_TCP ("tcp4:127.0.0.1:1234", "127.0.0.1", "1234"),
/* Prefixed "tcp4:" IPv4, only port. */
INIT_PREFIXED_IPV4_TCP ("tcp4::1234", "localhost", "1234"),
/* Prefixed "tcp4:" IPv4, only host. */
INIT_PREFIXED_IPV4_TCP ("tcp4:127.0.0.1", "127.0.0.1", ""),
/* Prefixed "tcp4:" IPv4, missing port. */
INIT_PREFIXED_IPV4_TCP ("tcp4:127.0.0.1:", "127.0.0.1", ""),
/* Prefixed "udp4:" IPv4, host and port present. */
INIT_PREFIXED_IPV4_UDP ("udp4:127.0.0.1:1234", "127.0.0.1", "1234"),
/* Prefixed "udp4:" IPv4, only port. */
INIT_PREFIXED_IPV4_UDP ("udp4::1234", "localhost", "1234"),
/* Prefixed "udp4:" IPv4, only host. */
INIT_PREFIXED_IPV4_UDP ("udp4:127.0.0.1", "127.0.0.1", ""),
/* Prefixed "udp4:" IPv4, missing port. */
INIT_PREFIXED_IPV4_UDP ("udp4:127.0.0.1:", "127.0.0.1", ""),
/* Prefixed "tcp6:" IPv6, host and port present. */
INIT_PREFIXED_IPV6_TCP ("tcp6:::1:1234", "::1", "1234"),
/* Prefixed "tcp6:" IPv6, only port. */
INIT_PREFIXED_IPV6_TCP ("tcp6::1234", "localhost", "1234"),
/* Prefixed "tcp6:" IPv6, only host. */
//INIT_PREFIXED_IPV6_TCP ("tcp6:::1", "::1", ""),
/* Prefixed "tcp6:" IPv6, missing port. */
INIT_PREFIXED_IPV6_TCP ("tcp6:::1:", "::1", ""),
/* Prefixed "udp6:" IPv6, host and port present. */
INIT_PREFIXED_IPV6_UDP ("udp6:::1:1234", "::1", "1234"),
/* Prefixed "udp6:" IPv6, only port. */
INIT_PREFIXED_IPV6_UDP ("udp6::1234", "localhost", "1234"),
/* Prefixed "udp6:" IPv6, only host. */
//INIT_PREFIXED_IPV6_UDP ("udp6:::1", "::1", ""),
/* Prefixed "udp6:" IPv6, missing port. */
INIT_PREFIXED_IPV6_UDP ("udp6:::1:", "::1", ""),
/* Prefixed "tcp6:" IPv6 with brackets, host and port present. */
INIT_PREFIXED_IPV6_TCP ("tcp6:[::1]:1234", "::1", "1234"),
/* Prefixed "tcp6:" IPv6 with brackets, only host. */
INIT_PREFIXED_IPV6_TCP ("tcp6:[::1]", "::1", ""),
/* Prefixed "tcp6:" IPv6 with brackets, missing port. */
INIT_PREFIXED_IPV6_TCP ("tcp6:[::1]:", "::1", ""),
/* Prefixed "udp6:" IPv6 with brackets, host and port present. */
INIT_PREFIXED_IPV6_UDP ("udp6:[::1]:1234", "::1", "1234"),
/* Prefixed "udp6:" IPv6 with brackets, only host. */
INIT_PREFIXED_IPV6_UDP ("udp6:[::1]", "::1", ""),
/* Prefixed "udp6:" IPv6 with brackets, missing port. */
INIT_PREFIXED_IPV6_UDP ("udp6:[::1]:", "::1", ""),
/* Bogus addresses. */
INIT_BOGUS_ENTRY ("tcp6:[::1]123:44"),
INIT_BOGUS_ENTRY ("[::1"),
INIT_BOGUS_ENTRY ("tcp6:::1]:"),
};
/* Test a connection spec C. */
static void
test_conn (const parse_conn_test &c)
{
struct addrinfo hint;
parsed_connection_spec ret;
memset (&hint, 0, sizeof (hint));
try
{
ret = parse_connection_spec (c.connspec, &hint);
}
catch (const gdb_exception_error &ex)
{
/* If we caught an error, we should check if this connection
spec was supposed to fail. */
SELF_CHECK (c.should_fail);
return;
}
SELF_CHECK (!c.should_fail);
SELF_CHECK (ret.host_str == c.expected_result.host_str);
SELF_CHECK (ret.port_str == c.expected_result.port_str);
SELF_CHECK (hint.ai_family == c.exp_ai_family);
SELF_CHECK (hint.ai_socktype == c.exp_ai_socktype);
SELF_CHECK (hint.ai_protocol == c.exp_ai_protocol);
}
/* Run the tests associated with parsing connection specs. */
static void
run_tests ()
{
for (const parse_conn_test &c : conn_test)
test_conn (c);
}
} /* namespace parse_connection_spec_tests */
} /* namespace selftests */
void _initialize_parse_connection_spec_selftests ();
void
_initialize_parse_connection_spec_selftests ()
{
selftests::register_test ("parse_connection_spec",
selftests::parse_connection_spec_tests::run_tests);
}
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