[PATCH 3/3 RFC v2] selftests/net: add socket options test with IPv6 testcases

From: Alexandru Copot
Date: Thu Apr 25 2013 - 07:06:07 EST


Only a part of the boolean socket options for IPv6 are tested.

Signed-of-by Alexandru Copot <alex.mihai.c@xxxxxxxxx>
Cc: Daniel Baluta <dbaluta@xxxxxxxxxxx>
---
tools/testing/selftests/net/Makefile | 3 +-
tools/testing/selftests/net/run_netsocktests | 10 ++
tools/testing/selftests/net/sockopt.c | 185 +++++++++++++++++++++++++++
3 files changed, 197 insertions(+), 1 deletion(-)
create mode 100644 tools/testing/selftests/net/sockopt.c

diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index 7984f80..087e9a0 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -5,13 +5,14 @@ CFLAGS = -Wall -O2 -g

CFLAGS += -I../../../../usr/include/ -I../lib

-NET_PROGS = socket psock_fanout psock_tpacket
+NET_PROGS = socket sockopt psock_fanout psock_tpacket

LIB = ../lib/selftests.a

all: $(NET_PROGS)

socket: socket.o $(LIB)
+sockopt: sockopt.o $(LIB)

%.o: %.c
$(CC) $(CFLAGS) -c -o $@ $^
diff --git a/tools/testing/selftests/net/run_netsocktests b/tools/testing/selftests/net/run_netsocktests
index c09a682..9f21498 100644
--- a/tools/testing/selftests/net/run_netsocktests
+++ b/tools/testing/selftests/net/run_netsocktests
@@ -10,3 +10,13 @@ else
echo "[PASS]"
fi

+echo "--------------------"
+echo "running setsockopt test"
+echo "--------------------"
+./sockopt
+if [ $? -ne 0 ]; then
+ echo "[FAIL]"
+else
+ echo "[PASS]"
+fi
+
diff --git a/tools/testing/selftests/net/sockopt.c b/tools/testing/selftests/net/sockopt.c
new file mode 100644
index 0000000..56311bc
--- /dev/null
+++ b/tools/testing/selftests/net/sockopt.c
@@ -0,0 +1,185 @@
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <linux/ipv6.h>
+#include <linux/in.h>
+
+#include "selftests.h"
+
+struct sockopt_testcase {
+ /* socket */
+ int domain;
+ int type;
+ int protocol;
+
+ /* option */
+ int level;
+ int optname;
+ void *value;
+ socklen_t size;
+
+ #define TYPE_INT 1
+ #define TYPE_DATA 2
+ int data_type;
+ /* 0 = valid file descriptor
+ * -foo = error foo
+ */
+ int expect_set;
+ int expect_get;
+
+ /* If non-zero, accept EAFNOSUPPORT to handle the case
+ * of the protocol not being configured into the kernel.
+ */
+ int nosupport_ok;
+};
+
+static struct sockopt_testcase tests_inet6[] = {
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_V6ONLY, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_V6ONLY, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVPKTINFO, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVPKTINFO, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_2292PKTINFO, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_2292PKTINFO, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_2292HOPLIMIT, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_2292HOPLIMIT, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVRTHDR, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVRTHDR, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_2292RTHDR, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_2292RTHDR, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVHOPOPTS, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVHOPOPTS, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_2292HOPOPTS, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_2292HOPOPTS, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVDSTOPTS, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVDSTOPTS, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_2292DSTOPTS, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_2292DSTOPTS, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_TCLASS, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_TCLASS, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVTCLASS, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVTCLASS, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_FLOWINFO, (void*)1, sizeof(int), TYPE_INT, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_FLOWINFO, (void*)0, sizeof(int), TYPE_INT, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVPATHMTU, (void*)1, sizeof(int), TYPE_INT, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVPATHMTU, (void*)0, sizeof(int), TYPE_INT, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVORIGDSTADDR, (void*)1, sizeof(int), TYPE_INT, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_RECVORIGDSTADDR, (void*)0, sizeof(int), TYPE_INT, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_MTU, (void*)512, sizeof(int), TYPE_INT, -EINVAL, -ENOTCONN, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_MTU, (void*)IPV6_MIN_MTU, sizeof(int), TYPE_INT, 0, -ENOTCONN, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_DONTFRAG, (void*)1, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_DONTFRAG, (void*)0, sizeof(int), TYPE_INT, 0, 0, 0},
+
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_MTU_DISCOVER, (void*)IP_PMTUDISC_DONT, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_MTU_DISCOVER, (void*)IP_PMTUDISC_WANT, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_MTU_DISCOVER, (void*)IP_PMTUDISC_DO, sizeof(int), TYPE_INT, 0, 0, 0},
+ { AF_INET6, SOCK_STREAM, IPPROTO_TCP, IPPROTO_IPV6, IPV6_MTU_DISCOVER, (void*)IP_PMTUDISC_PROBE,sizeof(int), TYPE_INT, 0, 0, 0},
+
+};
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+#define ERR_STRING_SZ 64
+
+static test_result_t my_run_testcase(void *arg)
+{
+ struct sockopt_testcase *s = (struct sockopt_testcase*)arg;
+ int fd, rc, val;
+ void *optdata;
+ socklen_t readsize;
+ test_result_t ret;
+
+ ret = 0;
+ fd = socket(s->domain, s->type, s->protocol);
+ abort(fd > 0);
+
+ if (s->data_type == TYPE_INT) {
+ val = (long)s->value;
+ optdata = &val;
+ } else {
+ optdata = s->value;
+ }
+
+ rc = setsockopt(fd, s->level, s->optname, optdata, s->size);
+ check(rc == 0 || errno == -s->expect_set, clean_socket, ret,
+ "setsockopt option %d", s->optname);
+
+ if (s->data_type == TYPE_INT) {
+ optdata = &val;
+ val = -1;
+ } else {
+ optdata = malloc(s->size);
+ abort(optdata != NULL);
+ }
+
+ readsize = s->size;
+ rc = getsockopt(fd, s->level, s->optname, optdata, &readsize);
+ check(rc == 0 || errno == -s->expect_get, clean_data, ret,
+ "getsockopt option %d", s->optname);
+ abort(readsize == s->size);
+
+ if (!rc) {
+ if (s->data_type == TYPE_INT) {
+ check(val == (long)s->value, clean_socket, ret,
+ "option %d: Read value different from written value\n", s->optname);
+ } else {
+ check(!memcmp(optdata, s->value, s->size), clean_data, ret,
+ "option %d: Read value different from written value\n", s->optname);
+ }
+ }
+
+clean_data:
+ if (s->data_type != TYPE_INT)
+ free(optdata);
+clean_socket:
+ abort(close(fd) == 0);
+
+ return ret;
+}
+
+static int run_tests(void)
+{
+ int rc;
+ struct generic_test test1 = {
+ .name = "sockopt AF_INET6",
+ .prepare = NULL,
+ .run = my_run_testcase,
+ .testcases = tests_inet6,
+ .testcase_size = sizeof(struct sockopt_testcase),
+ .testcase_count = ARRAY_SIZE(tests_inet6),
+ .abort_on_fail = 1,
+ };
+
+ rc = 0;
+ rc |= run_all_tests(&test1, NULL);
+
+ return rc;
+}
+
+int main(void)
+{
+ int err = run_tests();
+
+ return err;
+}
--
1.8.2.1

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