Add fibs_test:udp_dontroute6, another IPv6 multi-FIB test
PR: 196361 MFC after: 3 weeks Sponsored by: Spectra Logic Corp
This commit is contained in:
Alan Somers
parent
beaa6e1e64
commit
9d6c66cb9f
@ -595,6 +595,61 @@ udp_dontroute_cleanup()
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cleanup_tap
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}
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atf_test_case udp_dontroute6 cleanup
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udp_dontroute6_head()
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{
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atf_set "descr" "Source address selection for UDP IPv6 packets with SO_DONTROUTE on non-default FIBs works"
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atf_set "require.user" "root"
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atf_set "require.config" "fibs"
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}
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udp_dontroute6_body()
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{
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# Configure the TAP interface to use an RFC3849 nonrouteable address
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# and a non-default fib
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ADDR0="2001:db8::2"
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ADDR1="2001:db8::3"
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SUBNET="2001:db8::"
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MASK="64"
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# Use a different IP on the same subnet as the target
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TARGET="2001:db8::100"
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SRCDIR=`atf_get_srcdir`
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atf_expect_fail "PR196361 IPv6 network routes don't respect net.add_addr_allfibs=0"
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# Check system configuration
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if [ 0 != `sysctl -n net.add_addr_allfibs` ]; then
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atf_skip "This test requires net.add_addr_allfibs=0"
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fi
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get_fibs 2
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# Configure the TAP interfaces. Use no_dad so the addresses will be
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# ready right away and won't be marked as tentative until DAD
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# completes.
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setup_tap ${FIB0} inet6 ${ADDR0} ${MASK} no_dad
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TARGET_TAP=${TAP}
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setup_tap ${FIB1} inet6 ${ADDR1} ${MASK} no_dad
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# Send a UDP packet with SO_DONTROUTE. In the failure case, it will
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# return ENETUNREACH, or send the packet to the wrong tap
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atf_check -o ignore setfib ${FIB0} \
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${SRCDIR}/udp_dontroute -6 ${TARGET} /dev/${TARGET_TAP}
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cleanup_tap
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# Repeat, but this time target the other tap
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setup_tap ${FIB0} inet6 ${ADDR0} ${MASK} no_dad
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setup_tap ${FIB1} inet6 ${ADDR1} ${MASK} no_dad
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TARGET_TAP=${TAP}
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atf_check -o ignore setfib ${FIB1} \
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${SRCDIR}/udp_dontroute -6 ${TARGET} /dev/${TARGET_TAP}
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}
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udp_dontroute6_cleanup()
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{
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cleanup_tap
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}
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atf_init_test_cases()
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{
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@ -609,6 +664,7 @@ atf_init_test_cases()
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atf_add_test_case subnet_route_with_multiple_fibs_on_same_subnet
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atf_add_test_case subnet_route_with_multiple_fibs_on_same_subnet_inet6
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atf_add_test_case udp_dontroute
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atf_add_test_case udp_dontroute6
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}
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# Looks up one or more fibs from the configuration data and validates them.
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@ -656,6 +712,7 @@ get_tap()
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# Protocol (inet or inet6)
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# IP address
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# Netmask in number of bits (eg 24 or 8)
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# Extra flags
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# Return: the tap interface name as the env variable TAP
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setup_tap()
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{
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@ -663,9 +720,10 @@ setup_tap()
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local PROTO=$2
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local ADDR=$3
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local MASK=$4
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local FLAGS=$5
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get_tap
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echo setfib ${FIB} ifconfig $TAP ${PROTO} ${ADDR}/${MASK} fib $FIB
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setfib ${FIB} ifconfig $TAP ${PROTO} ${ADDR}/${MASK} fib $FIB
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echo setfib ${FIB} ifconfig $TAP ${PROTO} ${ADDR}/${MASK} fib $FIB $FLAGS
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setfib ${FIB} ifconfig $TAP ${PROTO} ${ADDR}/${MASK} fib $FIB $FLAGS
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}
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cleanup_tap()
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@ -41,6 +41,7 @@
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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@ -52,7 +53,7 @@
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int
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main(int argc, char **argv)
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{
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struct sockaddr_in dst;
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struct sockaddr_storage dst;
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int s, t;
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int opt;
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int ret;
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@ -60,17 +61,33 @@ main(int argc, char **argv)
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const char* sendbuf = "Hello, World!";
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const size_t buflen = 80;
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char recvbuf[buflen];
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bool v6 = false;
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const char *addr, *tapdev;
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const uint16_t port = 46120;
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if (argc != 3) {
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fprintf(stderr, "Usage: %s ip_address tapdev\n", argv[0]);
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bzero(&dst, sizeof(dst));
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if (argc < 3 || argc > 4) {
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fprintf(stderr, "Usage: %s [-6] ip_address tapdev\n", argv[0]);
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exit(2);
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}
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t = open(argv[2], O_RDWR | O_NONBLOCK);
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if (strcmp("-6", argv[1]) == 0) {
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v6 = true;
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addr = argv[2];
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tapdev = argv[3];
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} else {
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addr = argv[1];
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tapdev = argv[2];
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}
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t = open(tapdev, O_RDWR | O_NONBLOCK);
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if (t < 0)
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err(EXIT_FAILURE, "open");
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s = socket(PF_INET, SOCK_DGRAM, 0);
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if (v6)
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s = socket(PF_INET6, SOCK_DGRAM, 0);
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else
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s = socket(PF_INET, SOCK_DGRAM, 0);
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if (s < 0)
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err(EXIT_FAILURE, "socket");
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opt = 1;
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@ -79,16 +96,26 @@ main(int argc, char **argv)
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if (ret == -1)
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err(EXIT_FAILURE, "setsockopt(SO_DONTROUTE)");
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dst.sin_len = sizeof(dst);
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dst.sin_family = AF_INET;
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dst.sin_port = htons(46120);
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dst.sin_addr.s_addr = inet_addr(argv[1]);
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if (dst.sin_addr.s_addr == htonl(INADDR_NONE)) {
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fprintf(stderr, "Invalid address: %s\n", argv[1]);
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exit(2);
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if (v6) {
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struct sockaddr_in6 *dst6 = ((struct sockaddr_in6*)&dst);
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dst.ss_len = sizeof(struct sockaddr_in6);
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dst.ss_family = AF_INET6;
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dst6->sin6_port = htons(port);
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ret = inet_pton(AF_INET6, addr, &dst6->sin6_addr);
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} else {
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struct sockaddr_in *dst4 = ((struct sockaddr_in*)&dst);
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dst.ss_len = sizeof(struct sockaddr_in);
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dst.ss_family = AF_INET;
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dst4->sin_port = htons(port);
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ret = inet_pton(AF_INET, addr, &dst4->sin_addr);
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}
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if (ret != 1)
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err(EXIT_FAILURE, "inet_pton returned %d", ret);
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ret = sendto(s, sendbuf, strlen(sendbuf), 0, (struct sockaddr*)&dst,
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dst.sin_len);
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dst.ss_len);
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if (ret == -1)
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err(EXIT_FAILURE, "sendto");
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