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netinet tests: Add error handling tests for UDP with v4-mapped sockets

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This provides a regression test for commit abca3ae773.

Add it to the existing v4-mapped address test file, and rename
accordingly.

Reviewed by:	tuexen, karels, rrs
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D39216
This commit is contained in:
Mark Johnston 2023-10-17 10:29:42 -04:00
parent 6223d0b67a
commit ae5c3dfd3e
3 changed files with 77 additions and 11 deletions
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3
ObsoleteFiles.inc
View File

@ -51,6 +51,9 @@
# xargs -n1 | sort | uniq -d;
# done
# 20231006: rename tcp6_v4unmapped_bind_test
OLD_FILES+=usr/tests/sys/netinet/tcp6_v4unmapped_bind_test
# 20231005: Remove man page link for now gone net80211 function.
OLD_FILES+=usr/share/man/man9/ieee80211_unref_node.9.gz

2
tests/sys/netinet/Makefile
View File

@ -7,9 +7,9 @@ BINDIR= ${TESTSDIR}
TESTS_SUBDIRS+= libalias
ATF_TESTS_C= ip_reass_test \
ip6_v4mapped_test \
so_reuseport_lb_test \
socket_afinet \
tcp6_v4mapped_bind_test \
tcp_connect_port_test \
tcp_md5_getsockopt

83
tests/sys/netinet/tcp6_v4mapped_bind_test.c → tests/sys/netinet/ip6_v4mapped_test.c
View File

@ -194,17 +194,15 @@ restore_portrange(void)
"failed while restoring value");
}
ATF_TC_WITH_CLEANUP(v4mapped);
ATF_TC_HEAD(v4mapped, tc)
ATF_TC_WITH_CLEANUP(tcp_v4mapped_bind);
ATF_TC_HEAD(tcp_v4mapped_bind, tc)
{
/* root is only required for sysctls (setup and cleanup). */
atf_tc_set_md_var(tc, "require.user", "root");
atf_tc_set_md_var(tc, "require.config", "allow_sysctl_side_effects");
atf_tc_set_md_var(tc, "descr",
"Check local port assignment with bind and mapped V4 addresses");
}
/*
* Create a listening IPv4 socket, then connect to it repeatedly using a
* bound IPv6 socket using a v4 mapped address. With a small port range,
@ -213,7 +211,7 @@ ATF_TC_HEAD(v4mapped, tc)
* and then the connect would fail with EADDRINUSE. Make sure we get
* the right error.
*/
ATF_TC_BODY(v4mapped, tc)
ATF_TC_BODY(tcp_v4mapped_bind, tc)
{
union {
struct sockaddr saddr;
@ -315,17 +313,82 @@ ATF_TC_BODY(v4mapped, tc)
ATF_REQUIRE_MSG(i >= 1, "No successful connections");
ATF_REQUIRE_MSG(got_bind_error == true, "No expected bind error");
}
ATF_TC_CLEANUP(v4mapped, tc)
ATF_TC_CLEANUP(tcp_v4mapped_bind, tc)
{
restore_portrange();
}
ATF_TC(udp_v4mapped_sendto);
ATF_TC_HEAD(udp_v4mapped_sendto, tc)
{
atf_tc_set_md_var(tc, "descr",
"Validate sendto() with a v4-mapped address and a v6-only socket");
}
ATF_TC_BODY(udp_v4mapped_sendto, tc)
{
struct addrinfo ai_hint, *aip;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
ssize_t n;
socklen_t salen;
int error, ls, s, zero;
short port;
char ch;
ls = socket(PF_INET, SOCK_DGRAM, 0);
ATF_REQUIRE(ls >= 0);
memset(&ai_hint, 0, sizeof(ai_hint));
ai_hint.ai_family = AF_INET;
ai_hint.ai_flags = AI_NUMERICHOST;
error = getaddrinfo("127.0.0.1", NULL, &ai_hint, &aip);
ATF_REQUIRE_MSG(error == 0, "getaddrinfo: %s", gai_strerror(error));
memcpy(&sin, aip->ai_addr, sizeof(sin));
error = bind(ls, (struct sockaddr *)&sin, sizeof(sin));
ATF_REQUIRE_MSG(error == 0, "bind: %s", strerror(errno));
salen = sizeof(sin);
error = getsockname(ls, (struct sockaddr *)&sin, &salen);
ATF_REQUIRE_MSG(error == 0,
"getsockname() for listen socket failed: %s", strerror(errno));
ATF_REQUIRE_MSG(salen == sizeof(struct sockaddr_in),
"unexpected sockaddr size");
port = sin.sin_port;
s = socket(PF_INET6, SOCK_DGRAM, 0);
ATF_REQUIRE(s >= 0);
memset(&ai_hint, 0, sizeof(ai_hint));
ai_hint.ai_family = AF_INET6;
ai_hint.ai_flags = AI_NUMERICHOST | AI_V4MAPPED;
error = getaddrinfo("127.0.0.1", NULL, &ai_hint, &aip);
ATF_REQUIRE_MSG(error == 0, "getaddrinfo: %s", gai_strerror(error));
memcpy(&sin6, aip->ai_addr, sizeof(sin6));
sin6.sin6_port = port;
ch = 0x42;
n = sendto(s, &ch, 1, 0, (struct sockaddr *)&sin6, sizeof(sin6));
ATF_REQUIRE_ERRNO(EINVAL, n == -1);
zero = 0;
error = setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &zero, sizeof(zero));
ATF_REQUIRE_MSG(error == 0,
"setsockopt(IPV6_V6ONLY) failed: %s", strerror(errno));
ch = 0x42;
n = sendto(s, &ch, 1, 0, (struct sockaddr *)&sin6, sizeof(sin6));
ATF_REQUIRE_MSG(n == 1, "sendto() failed: %s", strerror(errno));
ch = 0;
n = recv(ls, &ch, 1, 0);
ATF_REQUIRE_MSG(n == 1, "recv() failed: %s", strerror(errno));
ATF_REQUIRE(ch == 0x42);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, v4mapped);
ATF_TP_ADD_TC(tp, tcp_v4mapped_bind);
ATF_TP_ADD_TC(tp, udp_v4mapped_sendto);
return (atf_no_error());
}