Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg

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

1 files changed, 200 insertions, 0 deletions

diff --git a/src/VBox/Devices/Network/slirp/libslirp.h b/src/VBox/Devices/Network/slirp/libslirp.h
new file mode 100644
index 00000000..8e70d002
--- /dev/null
+++ b/src/VBox/Devices/Network/slirp/libslirp.h
@@ -0,0 +1,200 @@
+/* $Id: libslirp.h $ */
+/** @file
+ * NAT - slirp interface.
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#ifndef _LIBSLIRP_H
+#define _LIBSLIRP_H
+
+#ifdef RT_OS_WINDOWS
+# include <iprt/win/winsock2.h>
+# ifdef __cplusplus
+extern "C" {
+# endif
+int inet_aton(const char *cp, struct in_addr *ia);
+# ifdef __cplusplus
+}
+# endif
+#else
+# ifdef RT_OS_OS2 /* temporary workaround, see ticket #127 */
+#  include <sys/time.h>
+# endif
+# include <sys/select.h>
+# include <poll.h>
+# include <arpa/inet.h>
+#endif
+
+#include <VBox/types.h>
+#include <iprt/req.h>
+
+typedef struct NATState *PNATState;
+struct mbuf;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int slirp_init(PNATState *, uint32_t, uint32_t, bool, bool, int, int, bool, void *);
+void slirp_register_statistics(PNATState pData, PPDMDRVINS pDrvIns);
+void slirp_deregister_statistics(PNATState pData, PPDMDRVINS pDrvIns);
+void slirp_term(PNATState);
+void slirp_link_up(PNATState);
+void slirp_link_down(PNATState);
+
+#if defined(RT_OS_WINDOWS)
+void slirp_select_fill(PNATState pData, int *pndfs);
+
+void slirp_select_poll(PNATState pData, int fTimeout);
+#else /* RT_OS_WINDOWS */
+void slirp_select_fill(PNATState pData, int *pnfds, struct pollfd *polls);
+void slirp_select_poll(PNATState pData, struct pollfd *polls, int ndfs);
+#endif /* !RT_OS_WINDOWS */
+
+void slirp_input(PNATState pData, struct mbuf *m, size_t cbBuf);
+
+/* you must provide the following functions: */
+void slirp_arm_fast_timer(void *pvUser);
+int slirp_can_output(void * pvUser);
+void slirp_output(void * pvUser, struct mbuf *m, const uint8_t *pkt, int pkt_len);
+void slirp_output_pending(void * pvUser);
+void slirp_urg_output(void *pvUser, struct mbuf *, const uint8_t *pu8Buf, int cb);
+void slirp_post_sent(PNATState pData, void *pvArg);
+
+int slirp_call(void *pvUser, PRTREQ *ppReq, RTMSINTERVAL cMillies,
+               unsigned fFlags, PFNRT pfnFunction, unsigned cArgs, ...);
+
+int slirp_call_hostres(void *pvUser, PRTREQ *ppReq, RTMSINTERVAL cMillies,
+                       unsigned fFlags, PFNRT pfnFunction, unsigned cArgs, ...);
+
+
+void slirp_update_guest_addr_guess(PNATState pData, uint32_t guess, const char *msg);
+
+int slirp_add_redirect(PNATState pData, int is_udp, struct in_addr host_addr,
+                int host_port, struct in_addr guest_addr,
+                int guest_port);
+int slirp_remove_redirect(PNATState pData, int is_udp, struct in_addr host_addr,
+                int host_port, struct in_addr guest_addr,
+                int guest_port);
+int slirp_add_exec(PNATState pData, int do_pty, const char *args, int addr_low_byte,
+                   int guest_port);
+
+void slirp_set_dhcp_TFTP_prefix(PNATState pData, const char *tftpPrefix);
+void slirp_set_dhcp_TFTP_bootfile(PNATState pData, const char *bootFile);
+void slirp_set_dhcp_next_server(PNATState pData, const char *nextServer);
+void slirp_set_dhcp_dns_proxy(PNATState pData, bool fDNSProxy);
+void slirp_set_rcvbuf(PNATState pData, int kilobytes);
+void slirp_set_sndbuf(PNATState pData, int kilobytes);
+void slirp_set_tcp_rcvspace(PNATState pData, int kilobytes);
+void slirp_set_tcp_sndspace(PNATState pData, int kilobytes);
+
+int  slirp_set_binding_address(PNATState, char *addr);
+void slirp_set_mtu(PNATState, int);
+void slirp_info(PNATState pData, const void *pvArg, const char *pszArgs);
+void slirp_set_somaxconn(PNATState pData, int iSoMaxConn);
+
+/**
+ * This macrodefinition is shortcut for check of hosts where Slirp,
+ * receives notifications from host. For now it's Darwin only. But
+ * Main API has primitives for listening DNS change event since 4.3.
+ */
+#if defined(RT_OS_DARWIN) || defined(RT_OS_WINDOWS)
+# define HAVE_NOTIFICATION_FOR_DNS_UPDATE 1
+#else
+# define HAVE_NOTIFICATION_FOR_DNS_UPDATE 0
+#endif
+
+
+/**
+ * This method help DrvNAT to select strategy: about VMRESUMEREASON_HOST_RESUME:
+ * - proceed with link termination (we let guest track host DNS settings)
+ *    VBOX_NAT_DNS_EXTERNAL
+ * - enforce internal DNS update (we are using dnsproxy and track but don't export DNS host settings)
+ *    VBOX_NAT_DNS_DNSPROXY
+ * - ignore (NAT configured to use hostresolver - we aren't track any host DNS changes)
+ *    VBOX_NAT_DNS_HOSTRESOLVER
+ * @note: It's safe to call this method from any thread, because settings we're checking
+ * are immutable at runtime.
+ */
+#define VBOX_NAT_DNS_EXTERNAL 0
+#define VBOX_NAT_DNS_DNSPROXY 1
+#define VBOX_NAT_DNS_HOSTRESOLVER 2
+int slirp_host_network_configuration_change_strategy_selector(const PNATState);
+#if defined(RT_OS_WINDOWS)
+
+
+/*
+ * ICMP handle state change
+ */
+# define VBOX_ICMP_EVENT_INDEX           0
+
+/**
+ * This event is for
+ *  - slirp_input
+ *  - slirp_link_up
+ *  - slirp_link_down
+ *  - wakeup
+ */
+# define VBOX_WAKEUP_EVENT_INDEX       1
+
+/*
+ * UDP/TCP socket state change (socket ready to receive, to send, ...)
+ */
+# define VBOX_SOCKET_EVENT_INDEX       2
+
+/*
+ * The number of events for WSAWaitForMultipleEvents().
+ */
+# define VBOX_EVENT_COUNT              3
+
+HANDLE *slirp_get_events(PNATState pData);
+void slirp_register_external_event(PNATState pData, HANDLE hEvent, int index);
+#endif /* RT_OS_WINDOWS */
+
+struct mbuf *slirp_ext_m_get(PNATState pData, size_t cbMin, void **ppvBuf, size_t *pcbBuf);
+void slirp_ext_m_free(PNATState pData, struct mbuf *, uint8_t *pu8Buf);
+
+/*
+ * Returns the timeout.
+ */
+unsigned int slirp_get_timeout_ms(PNATState pData);
+
+# ifndef RT_OS_WINDOWS
+/*
+ * Returns the number of sockets.
+ */
+int slirp_get_nsock(PNATState pData);
+# endif
+
+#ifdef VBOX_WITH_DNSMAPPING_IN_HOSTRESOLVER
+void slirp_add_host_resolver_mapping(PNATState pData,
+                                     const char *pszHostName, bool fPattern,
+                                     uint32_t u32HostIP);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif