103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/* Test getsockname() function.
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Copyright (C) 2011-2024 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <sys/socket.h>
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#include "signature.h"
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SIGNATURE_CHECK (getsockname, int, (int, struct sockaddr *, socklen_t *));
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#include <stdio.h>
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#include <string.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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#include <errno.h>
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#include "sockets.h"
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#include "macros.h"
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static int
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open_server_socket (void)
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{
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int s, x;
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struct sockaddr_in ia;
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s = socket (AF_INET, SOCK_STREAM, 0);
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x = 1;
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setsockopt (s, SOL_SOCKET, SO_REUSEPORT, &x, sizeof (x));
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memset (&ia, 0, sizeof (ia));
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ia.sin_family = AF_INET;
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inet_pton (AF_INET, "0.0.0.0", &ia.sin_addr);
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/* Port 0 means that the system should assign a port. */
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ia.sin_port = htons (0);
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if (bind (s, (struct sockaddr *) &ia, sizeof (ia)) < 0)
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{
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perror ("bind");
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exit (77);
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}
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if (listen (s, 1) < 0)
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{
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perror ("listen");
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exit (77);
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}
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return s;
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}
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int
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main (void)
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{
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(void) gl_sockets_startup (SOCKETS_1_1);
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/* Test behaviour for invalid file descriptors. */
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{
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struct sockaddr_in addr;
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socklen_t addrlen = sizeof (addr);
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errno = 0;
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ASSERT (getsockname (-1, (struct sockaddr *) &addr, &addrlen) == -1);
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ASSERT (errno == EBADF);
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}
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{
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struct sockaddr_in addr;
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socklen_t addrlen = sizeof (addr);
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close (99);
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errno = 0;
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ASSERT (getsockname (99, (struct sockaddr *) &addr, &addrlen) == -1);
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ASSERT (errno == EBADF);
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}
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/* Test behaviour for a server socket. */
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{
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int s = open_server_socket ();
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struct sockaddr_in addr;
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socklen_t addrlen = sizeof (addr);
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memset (&addr, 0, sizeof (addr));
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ASSERT (getsockname (s, (struct sockaddr *) &addr, &addrlen) == 0);
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ASSERT (addr.sin_family == AF_INET);
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ASSERT (ntohs (addr.sin_port) != 0);
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}
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return test_exit_status;
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}
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