Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 371 insertions, 0 deletions

diff --git a/third_party/heimdal/lib/roken/socket.c b/third_party/heimdal/lib/roken/socket.c
new file mode 100644
index 0000000..a790e08
--- /dev/null
+++ b/third_party/heimdal/lib/roken/socket.c
@@ -0,0 +1,371 @@
+/*
+ * Copyright (c) 1999 - 2000 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <config.h>
+
+#include "roken.h"
+#include <err.h>
+
+/*
+ * Set `sa' to the unitialized address of address family `af'
+ */
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+socket_set_any (struct sockaddr *sa, int af)
+{
+    switch (af) {
+    case AF_INET : {
+	struct sockaddr_in *sin4 = (struct sockaddr_in *)sa;
+
+	memset (sin4, 0, sizeof(*sin4));
+	sin4->sin_family = AF_INET;
+	sin4->sin_port   = 0;
+	sin4->sin_addr.s_addr = INADDR_ANY;
+	break;
+    }
+#ifdef HAVE_IPV6
+    case AF_INET6 : {
+	struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
+
+	memset (sin6, 0, sizeof(*sin6));
+	sin6->sin6_family = AF_INET6;
+	sin6->sin6_port   = 0;
+	sin6->sin6_addr   = in6addr_any;
+	break;
+    }
+#endif
+    default :
+	errx (1, "unknown address family %d", sa->sa_family);
+	break;
+    }
+}
+
+/*
+ * set `sa' to (`ptr', `port')
+ */
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+socket_set_address_and_port (struct sockaddr *sa, const void *ptr, int port)
+{
+    switch (sa->sa_family) {
+    case AF_INET : {
+	struct sockaddr_in *sin4 = (struct sockaddr_in *)sa;
+
+	memset (sin4, 0, sizeof(*sin4));
+	sin4->sin_family = AF_INET;
+	sin4->sin_port   = port;
+	memcpy (&sin4->sin_addr, ptr, sizeof(struct in_addr));
+	break;
+    }
+#ifdef HAVE_IPV6
+    case AF_INET6 : {
+	struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
+
+	memset (sin6, 0, sizeof(*sin6));
+	sin6->sin6_family = AF_INET6;
+	sin6->sin6_port   = port;
+	memcpy (&sin6->sin6_addr, ptr, sizeof(struct in6_addr));
+	break;
+    }
+#endif
+    default :
+	errx (1, "unknown address family %d", sa->sa_family);
+	break;
+    }
+}
+
+/*
+ * Return the size of an address of the type in `sa'
+ */
+
+ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
+socket_addr_size (const struct sockaddr *sa)
+{
+    switch (sa->sa_family) {
+    case AF_INET :
+	return sizeof(struct in_addr);
+#ifdef HAVE_IPV6
+    case AF_INET6 :
+	return sizeof(struct in6_addr);
+#endif
+    default :
+	return 0;
+    }
+}
+
+/*
+ * Return the size of a `struct sockaddr' in `sa'.
+ */
+
+ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
+socket_sockaddr_size (const struct sockaddr *sa)
+{
+    switch (sa->sa_family) {
+    case AF_INET :
+	return sizeof(struct sockaddr_in);
+#ifdef HAVE_IPV6
+    case AF_INET6 :
+	return sizeof(struct sockaddr_in6);
+#endif
+    default:
+	return 0;
+    }
+}
+
+/*
+ * Return the binary address of `sa'.
+ */
+
+ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL
+socket_get_address (const struct sockaddr *sa)
+{
+    switch (sa->sa_family) {
+    case AF_INET : {
+	const struct sockaddr_in *sin4 = (const struct sockaddr_in *)sa;
+	return rk_UNCONST(&sin4->sin_addr);
+    }
+#ifdef HAVE_IPV6
+    case AF_INET6 : {
+	const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sa;
+	return rk_UNCONST(&sin6->sin6_addr);
+    }
+#endif
+    default:
+	return NULL;
+    }
+}
+
+/*
+ * Return the port number from `sa'.
+ */
+
+ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
+socket_get_port (const struct sockaddr *sa)
+{
+    switch (sa->sa_family) {
+    case AF_INET : {
+	const struct sockaddr_in *sin4 = (const struct sockaddr_in *)sa;
+	return sin4->sin_port;
+    }
+#ifdef HAVE_IPV6
+    case AF_INET6 : {
+	const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sa;
+	return sin6->sin6_port;
+    }
+#endif
+    default :
+	return 0;
+    }
+}
+
+/*
+ * Set the port in `sa' to `port'.
+ */
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+socket_set_port (struct sockaddr *sa, int port)
+{
+    switch (sa->sa_family) {
+    case AF_INET : {
+	struct sockaddr_in *sin4 = (struct sockaddr_in *)sa;
+	sin4->sin_port = port;
+	break;
+    }
+#ifdef HAVE_IPV6
+    case AF_INET6 : {
+	struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa;
+	sin6->sin6_port = port;
+	break;
+    }
+#endif
+    default :
+	errx (1, "unknown address family %d", sa->sa_family);
+	break;
+    }
+}
+
+/*
+ * Set the range of ports to use when binding with port = 0.
+ */
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+socket_set_portrange (rk_socket_t sock, int restr, int af)
+{
+#if defined(IP_PORTRANGE)
+    if (af == AF_INET) {
+        int on = restr ? IP_PORTRANGE_HIGH : IP_PORTRANGE_DEFAULT;
+        (void) setsockopt(sock, IPPROTO_IP, IP_PORTRANGE, &on, sizeof(on));
+    }
+#endif
+#if defined(IPV6_PORTRANGE)
+    if (af == AF_INET6) {
+        int on = restr ? IPV6_PORTRANGE_HIGH : IPV6_PORTRANGE_DEFAULT;
+        (void) setsockopt(sock, IPPROTO_IPV6, IPV6_PORTRANGE, &on, sizeof(on));
+    }
+#endif
+}
+
+/*
+ * Enable debug on `sock'.
+ */
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+socket_set_debug (rk_socket_t sock)
+{
+#if defined(SO_DEBUG) && defined(HAVE_SETSOCKOPT)
+    int on = 1;
+    (void) setsockopt(sock, SOL_SOCKET, SO_DEBUG, (void *) &on, sizeof (on));
+#endif
+}
+
+/*
+ * Set the type-of-service of `sock' to `tos'.
+ */
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+socket_set_tos (rk_socket_t sock, int tos)
+{
+#if defined(IP_TOS) && defined(HAVE_SETSOCKOPT)
+    (void) setsockopt (sock, IPPROTO_IP, IP_TOS, (void *) &tos, sizeof(int));
+#endif
+}
+
+/*
+ * Set the non-blocking-ness of the socket.
+ */
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+socket_set_nonblocking(rk_socket_t sock, int nonblock)
+{
+#if defined(O_NONBLOCK)
+    int flags = fcntl(sock, F_GETFL, 0);
+    if (flags == -1)
+	return;
+    if (nonblock)
+	flags |= O_NONBLOCK;
+    else
+	flags &= ~O_NONBLOCK;
+    fcntl(sock, F_SETFL, flags);
+#elif defined(FIOBIO)
+    int flags = !!nonblock;
+    return ioctl(sock, FIOBIO, &flags);
+#endif
+}
+
+/*
+ * set the reuse of addresses on `sock' to `val'.
+ */
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+socket_set_reuseaddr (rk_socket_t sock, int val)
+{
+#if defined(SO_REUSEADDR) && defined(HAVE_SETSOCKOPT)
+    (void) setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *)&val,
+                      sizeof(val));
+#endif
+}
+
+/*
+ * Set the that the `sock' should bind to only IPv6 addresses.
+ */
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+socket_set_ipv6only (rk_socket_t sock, int val)
+{
+#if defined(IPV6_V6ONLY) && defined(HAVE_SETSOCKOPT)
+    (void) setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void *)&val,
+                      sizeof(val));
+#endif
+}
+
+/*
+ * Set the that the `sock' keepalive setting.
+ */
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+socket_set_keepalive(rk_socket_t sock, int val)
+{
+    (void) setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, (void *)&val,
+                      sizeof(val));
+}
+
+/**
+ * Create a file descriptor from a socket
+ *
+ * While the socket handle in \a sock can be used with WinSock
+ * functions after calling socket_to_fd(), it should not be closed
+ * with rk_closesocket().  The socket will be closed when the associated
+ * file descriptor is closed.
+ */
+ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
+socket_to_fd(rk_socket_t sock, int flags)
+{
+#ifndef _WIN32
+    return sock;
+#else
+    return _open_osfhandle((intptr_t) sock, flags);
+#endif
+}
+
+#ifdef HAVE_WINSOCK
+ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
+rk_SOCK_IOCTL(SOCKET s, long cmd, int * argp) {
+    u_long ul = (argp)? *argp : 0;
+    int rv;
+
+    rv = ioctlsocket(s, cmd, &ul);
+    if (argp)
+	*argp = (int) ul;
+    return rv;
+}
+#endif
+
+#ifndef HEIMDAL_SMALLER
+#undef socket
+
+int rk_socket(int, int, int);
+
+int
+rk_socket(int domain, int type, int protocol)
+{
+    int s;
+    s = socket (domain, type, protocol);
+#ifdef SOCK_CLOEXEC
+    if ((SOCK_CLOEXEC & type) && s < 0 && errno == EINVAL) {
+	type &= ~SOCK_CLOEXEC;
+	s = socket (domain, type, protocol);
+    }
+#endif
+    return s;
+}
+
+#endif /* HEIMDAL_SMALLER */