| /* 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 () |
| { |
| selftests::register_test ("parse_connection_spec", |
| selftests::parse_connection_spec_tests::run_tests); |
| } |
