forked from rpms/glibc
143 lines
4.3 KiB
Diff
143 lines
4.3 KiB
Diff
commit 3a83f79024cc023a74c3892a1673542e8e972485
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Author: Sergey Kolosov <skolosov@redhat.com>
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Date: Wed Apr 10 17:58:05 2024 +0200
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socket: Add new test for connect
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This commit adds a simple bind/accept/connect test for an IPv4 TCP
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connection to a local process via the loopback interface.
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Reviewed-by: Arjun Shankar <arjun@redhat.com>
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diff -Nrup a/socket/Makefile b/socket/Makefile
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--- a/socket/Makefile 2024-05-19 21:52:59.775055152 -0400
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+++ b/socket/Makefile 2024-05-19 22:05:27.717703460 -0400
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@@ -33,8 +33,9 @@ routines := accept bind connect getpeern
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tests := \
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tst-accept4 \
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- tst-sockopt \
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tst-cmsghdr \
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+ tst-connect \
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+ tst-sockopt \
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# tests
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tests-internal := \
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diff -Nrup a/socket/tst-connect.c b/socket/tst-connect.c
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--- a/socket/tst-connect.c 1969-12-31 19:00:00.000000000 -0500
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+++ b/socket/tst-connect.c 2024-05-19 21:58:22.069058144 -0400
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@@ -0,0 +1,113 @@
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+/* Test the connect function.
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+ Copyright (C) 2024 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <https://www.gnu.org/licenses/>. */
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+
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+#include <arpa/inet.h>
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+#include <errno.h>
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+#include <fcntl.h>
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+#include <signal.h>
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+#include <stdbool.h>
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+#include <support/check.h>
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+#include <support/xsocket.h>
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+#include <support/xunistd.h>
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+#include <sys/socket.h>
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+#include <stdio.h>
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+
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+static struct sockaddr_in server_address;
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+
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+int
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+open_socket_inet_tcp (void)
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+{
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+ int fd = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
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+ if (fd < 0)
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+ {
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+ if (errno == EAFNOSUPPORT)
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+ FAIL_UNSUPPORTED ("The host does not support IPv4");
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+ else
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+ FAIL_EXIT1 ("socket (AF_INET, SOCK_STREAM, IPPROTO_TCP): %m\n");
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+ }
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+ return fd;
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+}
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+
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+static pid_t
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+start_server (void)
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+{
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+ server_address.sin_family = AF_INET;
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+ server_address.sin_port = 0;
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+ server_address.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
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+
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+ int server_sock = open_socket_inet_tcp ();
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+
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+ xbind (server_sock, (struct sockaddr *) &server_address,
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+ sizeof (server_address));
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+
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+ socklen_t sa_len = sizeof (server_address);
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+ xgetsockname (server_sock, (struct sockaddr *) &server_address, &sa_len);
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+ xlisten (server_sock, 5);
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+
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+ pid_t my_pid = xfork ();
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+ if (my_pid > 0)
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+ {
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+ xclose (server_sock);
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+ return my_pid;
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+ }
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+
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+ struct sockaddr_in client_address;
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+ socklen_t ca_len = sizeof (server_address);
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+ int client_sock = xaccept (server_sock, (struct sockaddr *) &client_address,
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+ &ca_len);
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+ printf ("socket accepted %d\n", client_sock);
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+
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+ _exit (0);
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+}
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+
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+static int
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+do_test (void)
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+{
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+ pid_t serv_pid;
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+ struct sockaddr_in peer;
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+ socklen_t peer_len;
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+
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+ serv_pid = start_server ();
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+ int client_sock = open_socket_inet_tcp ();
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+ xconnect (client_sock, (const struct sockaddr *) &server_address,
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+ sizeof (server_address));
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+
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+ /* A second connect with same arguments should fail with EISCONN. */
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+ int result = connect (client_sock,
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+ (const struct sockaddr *) &server_address,
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+ sizeof (server_address));
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+ if (result == 0 || errno != EISCONN)
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+ FAIL_EXIT1 ("Second connect (%d), should fail with EISCONN: %m",
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+ client_sock);
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+
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+ peer_len = sizeof (peer);
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+ xgetpeername (client_sock, (struct sockaddr *) &peer, &peer_len);
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+ TEST_COMPARE (peer_len, sizeof (peer));
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+ TEST_COMPARE (peer.sin_port, server_address.sin_port);
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+ TEST_COMPARE_BLOB (&peer.sin_addr, sizeof (peer.sin_addr),
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+ &server_address.sin_addr,
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+ sizeof (server_address.sin_addr));
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+
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+ int status;
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+ xwaitpid (serv_pid, &status, 0);
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+ TEST_COMPARE (status, 0);
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+
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+ return 0;
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+}
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+
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+#include <support/test-driver.c>
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