1 files changed, 18 insertions, 120 deletions

diff --git a/tools/testing/selftests/bpf/test_sock_addr.c b/tools/testing/selftests/bpf/test_sock_addr.c
index 80c42583f597..c412de84b88f 100644
--- a/tools/testing/selftests/bpf/test_sock_addr.c
+++ b/tools/testing/selftests/bpf/test_sock_addr.c
@@ -19,6 +19,7 @@
 #include <bpf/libbpf.h>
 
 #include "cgroup_helpers.h"
+#include "network_helpers.h"
 #include "testing_helpers.h"
 #include "bpf_util.h"
 
@@ -604,44 +605,6 @@ static struct sock_addr_test tests[] = {
 	},
 };
 
-static int mk_sockaddr(int domain, const char *ip, unsigned short port,
-		       struct sockaddr *addr, socklen_t addr_len)
-{
-	struct sockaddr_in6 *addr6;
-	struct sockaddr_in *addr4;
-
-	if (domain != AF_INET && domain != AF_INET6) {
-		log_err("Unsupported address family");
-		return -1;
-	}
-
-	memset(addr, 0, addr_len);
-
-	if (domain == AF_INET) {
-		if (addr_len < sizeof(struct sockaddr_in))
-			return -1;
-		addr4 = (struct sockaddr_in *)addr;
-		addr4->sin_family = domain;
-		addr4->sin_port = htons(port);
-		if (inet_pton(domain, ip, (void *)&addr4->sin_addr) != 1) {
-			log_err("Invalid IPv4: %s", ip);
-			return -1;
-		}
-	} else if (domain == AF_INET6) {
-		if (addr_len < sizeof(struct sockaddr_in6))
-			return -1;
-		addr6 = (struct sockaddr_in6 *)addr;
-		addr6->sin6_family = domain;
-		addr6->sin6_port = htons(port);
-		if (inet_pton(domain, ip, (void *)&addr6->sin6_addr) != 1) {
-			log_err("Invalid IPv6: %s", ip);
-			return -1;
-		}
-	}
-
-	return 0;
-}
-
 static int load_insns(const struct sock_addr_test *test,
 		      const struct bpf_insn *insns, size_t insns_cnt)
 {
@@ -756,9 +719,9 @@ static int sendmsg4_rw_asm_prog_load(const struct sock_addr_test *test)
 		return -1;
 	}
 
-	if (mk_sockaddr(AF_INET, SERV4_REWRITE_IP, SERV4_REWRITE_PORT,
-			(struct sockaddr *)&dst4_rw_addr,
-			sizeof(dst4_rw_addr)) == -1)
+	if (make_sockaddr(AF_INET, SERV4_REWRITE_IP, SERV4_REWRITE_PORT,
+			  (struct sockaddr_storage *)&dst4_rw_addr,
+			  NULL) == -1)
 		return -1;
 
 	struct bpf_insn insns[] = {
@@ -819,9 +782,9 @@ static int sendmsg6_rw_dst_asm_prog_load(const struct sock_addr_test *test,
 		return -1;
 	}
 
-	if (mk_sockaddr(AF_INET6, rw_dst_ip, SERV6_REWRITE_PORT,
-			(struct sockaddr *)&dst6_rw_addr,
-			sizeof(dst6_rw_addr)) == -1)
+	if (make_sockaddr(AF_INET6, rw_dst_ip, SERV6_REWRITE_PORT,
+			  (struct sockaddr_storage *)&dst6_rw_addr,
+			  NULL) == -1)
 		return -1;
 
 	struct bpf_insn insns[] = {
@@ -939,69 +902,6 @@ static int cmp_peer_addr(int sock1, const struct sockaddr_storage *addr2)
 	return cmp_sock_addr(getpeername, sock1, addr2, /*cmp_port*/ 1);
 }
 
-static int start_server(int type, const struct sockaddr_storage *addr,
-			socklen_t addr_len)
-{
-	int fd;
-
-	fd = socket(addr->ss_family, type, 0);
-	if (fd == -1) {
-		log_err("Failed to create server socket");
-		goto out;
-	}
-
-	if (bind(fd, (const struct sockaddr *)addr, addr_len) == -1) {
-		log_err("Failed to bind server socket");
-		goto close_out;
-	}
-
-	if (type == SOCK_STREAM) {
-		if (listen(fd, 128) == -1) {
-			log_err("Failed to listen on server socket");
-			goto close_out;
-		}
-	}
-
-	goto out;
-close_out:
-	close(fd);
-	fd = -1;
-out:
-	return fd;
-}
-
-static int connect_to_server(int type, const struct sockaddr_storage *addr,
-			     socklen_t addr_len)
-{
-	int domain;
-	int fd = -1;
-
-	domain = addr->ss_family;
-
-	if (domain != AF_INET && domain != AF_INET6) {
-		log_err("Unsupported address family");
-		goto err;
-	}
-
-	fd = socket(domain, type, 0);
-	if (fd == -1) {
-		log_err("Failed to create client socket");
-		goto err;
-	}
-
-	if (connect(fd, (const struct sockaddr *)addr, addr_len) == -1) {
-		log_err("Fail to connect to server");
-		goto err;
-	}
-
-	goto out;
-err:
-	close(fd);
-	fd = -1;
-out:
-	return fd;
-}
-
 int init_pktinfo(int domain, struct cmsghdr *cmsg)
 {
 	struct in6_pktinfo *pktinfo6;
@@ -1146,19 +1046,17 @@ static int init_addrs(const struct sock_addr_test *test,
 		      struct sockaddr_storage *expected_addr,
 		      struct sockaddr_storage *expected_src_addr)
 {
-	socklen_t addr_len = sizeof(struct sockaddr_storage);
-
-	if (mk_sockaddr(test->domain, test->expected_ip, test->expected_port,
-			(struct sockaddr *)expected_addr, addr_len) == -1)
+	if (make_sockaddr(test->domain, test->expected_ip, test->expected_port,
+			  expected_addr, NULL) == -1)
 		goto err;
 
-	if (mk_sockaddr(test->domain, test->requested_ip, test->requested_port,
-			(struct sockaddr *)requested_addr, addr_len) == -1)
+	if (make_sockaddr(test->domain, test->requested_ip, test->requested_port,
+			  requested_addr, NULL) == -1)
 		goto err;
 
 	if (test->expected_src_ip &&
-	    mk_sockaddr(test->domain, test->expected_src_ip, 0,
-			(struct sockaddr *)expected_src_addr, addr_len) == -1)
+	    make_sockaddr(test->domain, test->expected_src_ip, 0,
+			  expected_src_addr, NULL) == -1)
 		goto err;
 
 	return 0;
@@ -1178,7 +1076,7 @@ static int run_bind_test_case(const struct sock_addr_test *test)
 	if (init_addrs(test, &requested_addr, &expected_addr, NULL))
 		goto err;
 
-	servfd = start_server(test->type, &requested_addr, addr_len);
+	servfd = start_server_addr(test->type, &requested_addr, addr_len, NULL);
 	if (servfd == -1)
 		goto err;
 
@@ -1186,7 +1084,7 @@ static int run_bind_test_case(const struct sock_addr_test *test)
 		goto err;
 
 	/* Try to connect to server just in case */
-	clientfd = connect_to_server(test->type, &expected_addr, addr_len);
+	clientfd = connect_to_addr(test->type, &expected_addr, addr_len, NULL);
 	if (clientfd == -1)
 		goto err;
 
@@ -1214,11 +1112,11 @@ static int run_connect_test_case(const struct sock_addr_test *test)
 		goto err;
 
 	/* Prepare server to connect to */
-	servfd = start_server(test->type, &expected_addr, addr_len);
+	servfd = start_server_addr(test->type, &expected_addr, addr_len, NULL);
 	if (servfd == -1)
 		goto err;
 
-	clientfd = connect_to_server(test->type, &requested_addr, addr_len);
+	clientfd = connect_to_addr(test->type, &requested_addr, addr_len, NULL);
 	if (clientfd == -1)
 		goto err;
 
@@ -1271,7 +1169,7 @@ static int run_xmsg_test_case(const struct sock_addr_test *test, int max_cmsg)
 		goto err;
 
 	/* Prepare server to sendmsg to */
-	servfd = start_server(test->type, &server_addr, addr_len);
+	servfd = start_server_addr(test->type, &server_addr, addr_len, NULL);
 	if (servfd == -1)
 		goto err;