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--- /dev/null
+++ Libc/Libc-1698.100.8/tests/net.c
@@ -0,0 +1,204 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if_dl.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <string.h>
+#include <stdio.h>
+#include <darwintest.h>
+
+T_DECL(link_ntoa_basic, "link_ntoa converts to proper string")
+{
+// u_char sdl_len; /* Total length of sockaddr */
+// u_char sdl_family; /* AF_LINK */
+// u_short sdl_index; /* if != 0, system given index for interface */
+// u_char sdl_type; /* interface type */
+// u_char sdl_nlen; /* interface name length, no trailing 0 reqd. */
+// u_char sdl_alen; /* link level address length */
+// u_char sdl_slen; /* link layer selector length */
+// char sdl_data[12]; /* minimum work area, can be larger;
+// contains both if name and ll address */
+
+ struct sockaddr_dl sad;
+ bzero(&sad, sizeof(sad));
+ sad.sdl_nlen = 3;
+ sad.sdl_len = 0;
+ sad.sdl_data[0] = 'l';
+ sad.sdl_data[1] = 'e';
+ sad.sdl_data[2] = '0';
+ sad.sdl_data[3] = 0x01;
+ sad.sdl_data[4] = 0x80;
+ sad.sdl_data[5] = 0xc2;
+ sad.sdl_data[6] = 0x00;
+ sad.sdl_data[7] = 0x00;
+ sad.sdl_data[8] = 0x02;
+ sad.sdl_data[9] = 0xaa;
+ sad.sdl_data[10] = 0xbb;
+ sad.sdl_data[11] = 0xcc;
+ sad.sdl_alen = 6;
+
+ char *foo = link_ntoa(&sad);
+
+ T_EXPECT_EQ_STR("le0:1.80.c2.0.0.2", foo, NULL);
+}
+
+T_DECL(link_ntoa_overflow, "link_ntoa try to overflow")
+{
+ char sockraw[64];
+ struct sockaddr_dl *sad;
+ sad = (struct sockaddr_dl *)&sockraw;
+ bzero(sad, sizeof(*sad));
+ sad->sdl_nlen = 3;
+ sad->sdl_len = 0;
+ sad->sdl_data[0] = 'l';
+ sad->sdl_data[1] = 'e';
+ sad->sdl_data[2] = '0';
+ sad->sdl_data[3] = 0x11;
+ sad->sdl_data[4] = 0x80;
+ sad->sdl_data[5] = 0xc2;
+ sad->sdl_data[6] = 0x11;
+ sad->sdl_data[7] = 0x11;
+ sad->sdl_data[8] = 0xa2;
+ sad->sdl_data[9] = 0xaa;
+ sad->sdl_data[10] = 0xbb;
+ sad->sdl_data[11] = 0xcc;
+ sockraw[20] = 0xdd;
+ sockraw[21] = 0xee;
+ sockraw[22] = 0xff;
+ sockraw[23] = 0x1a;
+ sockraw[24] = 0x1b;
+ sockraw[25] = 0x1c;
+ sockraw[26] = 0x1d;
+ sockraw[27] = 0x1e;
+ sockraw[28] = 0x1f;
+ sockraw[29] = 0x2a;
+ sockraw[30] = 0x2b;
+ sockraw[31] = 0x2c;
+
+ /* set the length to something that will fit in the buffer */
+ sad->sdl_alen = 20;
+
+ char *foo = link_ntoa(sad);
+
+ char over = foo[64];
+ char over2 = foo[65];
+
+ /* this string should be 66 bytes long and exceed the buffer */
+ sad->sdl_alen = 21;
+
+ foo = link_ntoa(sad);
+
+ T_EXPECT_EQ_STR("", foo, NULL);
+
+ T_EXPECT_EQ(over, foo[64], "did not overflow");
+ T_EXPECT_EQ(over2, foo[65], "did not overflow either");
+}
+
+T_DECL(inet_ntop, "inet_ntop")
+{
+ char *addresses4[] = { "1.2.3.4", "10.0.0.1", "2.2.2.2" };
+ char *addresses6[] = { "2001:db8:85a3::8a2e:370:7334", "::1", "::" };
+ for (int i = 0; i < sizeof(addresses4)/sizeof(addresses4[0]); i++){
+ struct in_addr addr4;
+ char buf[64];
+ T_EXPECT_EQ(inet_pton(AF_INET, addresses4[i], &addr4), 1, "inet_pton(AF_INET, %s)", addresses4[i]);
+ char *str = inet_ntop(AF_INET, &addr4, buf, sizeof(buf));
+ T_EXPECT_NOTNULL(str, "inet_ntop(AF_INET) of %s", addresses4[i]);
+ T_EXPECT_EQ_STR(str, addresses4[i], "round-trip of %s", addresses4[i]);
+ }
+ for (int i = 0; i < sizeof(addresses6)/sizeof(addresses6[0]); i++){
+ struct in6_addr addr6;
+ char buf[64];
+ T_EXPECT_EQ(inet_pton(AF_INET6, addresses6[i], &addr6), 1, "inet_pton(AF_INET6, %s)", addresses6[i]);
+ char *str = inet_ntop(AF_INET6, &addr6, buf, sizeof(buf));
+ T_EXPECT_NOTNULL(str, "inet_ntop(AF_INET6) of %s", addresses6[i]);
+ T_EXPECT_EQ_STR(str, addresses6[i], "round-trip of %s", addresses6[i]);
+ }
+}
+
+struct testcase {
+ const char *in_addr;
+ const char *expected_out_addr;
+};
+
+static const struct testcase test_addrs[] = {
+ { "1:2:3:4:5::1.2.3.4", "1:2:3:4:5:0:102:304" },
+ { "1:0:3:0:5:0:7:8", "1:0:3:0:5:0:7:8" },
+ { "0:0:3:0:0:0:7:8", "0:0:3::7:8" },
+ { "0:0:3:0:5:0:7:8", "::3:0:5:0:7:8" },
+ { "0:0:0:0:0:0:0:0", "::" },
+ { "0:0:0:0:0:1:0:0", "::1:0:0" },
+ { "1:0:0:0:0:0:0:0", "1::" },
+ { "0:0:0:1:0:0:0:0", "0:0:0:1::" },
+ { "1:0:0:0:0:0:0:1", "1::1" },
+ { "1:2:3:4:5:6:0:0", "1:2:3:4:5:6::" },
+ { "1:2:3:4:5:0:0:0", "1:2:3:4:5::" },
+};
+
+T_DECL(inet_ntop_resolve_zeroes, "Check for proper behavior when shortening zeroes w/ inet_ntop")
+{
+ // Take ip addrs as text, convert to binary and back.
+ // Upon converting back, they should adhere to the IPv6 guidelines.
+ for (int i = 0; i < sizeof(test_addrs)/sizeof(struct testcase); ++i) {
+ struct in6_addr addr6;
+ char buf[64];
+ char *in_addr = test_addrs[i].in_addr;
+ char *expected_out_addr = test_addrs[i].expected_out_addr;
+ T_EXPECT_EQ(inet_pton(AF_INET6, in_addr, &addr6), 1, "inet_pton(AF_INET6, %s)", in_addr);
+ char *str = inet_ntop(AF_INET6, &addr6, buf, sizeof(buf));
+ T_EXPECT_NOTNULL(str, "inet_ntop(AF_INET6) of %s", in_addr);
+ T_EXPECT_EQ_STR(str, expected_out_addr, NULL);
+ }
+
+ // Same test, but step through the possible range of ipv6 values.
+ for (int i = 0x0; i < 0x10000; ++i) {
+ struct in6_addr addr6;
+ char buf[64];
+ char in_addr[64];
+ sprintf(in_addr, "1:1:1:1:1:1:1:%x", i);
+ char *expected_out_addr = in_addr;
+ T_QUIET;
+ T_EXPECT_EQ(inet_pton(AF_INET6, in_addr, &addr6), 1, "inet_pton(AF_INET6, %s)", in_addr);
+ char *str = inet_ntop(AF_INET6, &addr6, buf, sizeof(buf));
+ T_QUIET;
+ T_EXPECT_NOTNULL(str, "inet_ntop(AF_INET6) of %s", in_addr);
+ T_QUIET;
+ T_EXPECT_EQ_STR(str, expected_out_addr, NULL);
+ }
+ T_PASS("Passed ipv6 value testing");
+
+}
+
+static void
+conv(const char *addr)
+{
+ int ret;
+ void *retp;
+
+ struct in6_addr addr6;
+ memset(&addr6, 0, sizeof addr6);
+ ret = inet_pton(AF_INET6, addr, &addr6);
+ T_ASSERT_EQ(ret, 1, "inet_pton");
+
+ T_LOG("%s: %02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x\n", addr,
+ ((unsigned char *) &addr6)[0], ((unsigned char *) &addr6)[1], ((unsigned char *) &addr6)[2], ((unsigned char *) &addr6)[3],
+ ((unsigned char *) &addr6)[4], ((unsigned char *) &addr6)[5], ((unsigned char *) &addr6)[6], ((unsigned char *) &addr6)[7],
+ ((unsigned char *) &addr6)[8], ((unsigned char *) &addr6)[9], ((unsigned char *) &addr6)[10], ((unsigned char *) &addr6)[11],
+ ((unsigned char *) &addr6)[12], ((unsigned char *) &addr6)[13], ((unsigned char *) &addr6)[14], ((unsigned char *) &addr6)[15]);
+
+ char buf6[INET6_ADDRSTRLEN];
+ memset(buf6, 0, sizeof buf6);
+ retp = inet_ntop(AF_INET6, &addr6, buf6, (socklen_t) sizeof buf6);
+ T_ASSERT_NOTNULL(retp, "inet_ntop");
+
+ T_LOG("%s: %s\n", addr, buf6);
+
+ T_EXPECT_EQ_STR(addr, buf6, NULL);
+}
+
+T_DECL(inet_ntop_PR46867324, "Regression test for PR46867324")
+{
+ conv("2001:db8::1");
+ conv("::192.168.1.2");
+ conv("::ffff:10.11.12.13");
+}