1 files changed, 280 insertions, 0 deletions
diff --git a/vendor/libslirp/src/slirp.h b/vendor/libslirp/src/slirp.h
new file mode 100644
index 0000000..5e68d9d
--- /dev/null
+++ b/vendor/libslirp/src/slirp.h
@@ -0,0 +1,280 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+#ifndef SLIRP_H
+#define SLIRP_H
+
+#ifdef _WIN32
+
+/* as defined in sdkddkver.h */
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x0600 /* Vista */
+#endif
+/* reduces the number of implicitly included headers */
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+
+#include <winsock2.h>
+#include <windows.h>
+#include <ws2tcpip.h>
+#include <sys/timeb.h>
+#include <iphlpapi.h>
+
+#else
+#if !defined(__HAIKU__)
+#define O_BINARY 0
+#endif
+#endif
+
+#ifndef _WIN32
+#include <sys/uio.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#endif
+
+#ifdef __APPLE__
+#include <sys/filio.h>
+#endif
+
+/* Avoid conflicting with the libc insque() and remque(), which
+   have different prototypes. */
+#define insque slirp_insque
+#define remque slirp_remque
+#define quehead slirp_quehead
+
+#include "debug.h"
+#include "util.h"
+
+#include "libslirp.h"
+#include "ip.h"
+#include "ip6.h"
+#include "tcp.h"
+#include "tcp_timer.h"
+#include "tcp_var.h"
+#include "tcpip.h"
+#include "udp.h"
+#include "ip_icmp.h"
+#include "ip6_icmp.h"
+#include "mbuf.h"
+#include "sbuf.h"
+#include "socket.h"
+#include "if.h"
+#include "main.h"
+#include "misc.h"
+
+#include "bootp.h"
+#include "tftp.h"
+
+#define ARPOP_REQUEST 1 /* ARP request */
+#define ARPOP_REPLY 2 /* ARP reply   */
+
+struct ethhdr {
+    unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
+    unsigned char h_source[ETH_ALEN]; /* source ether addr    */
+    unsigned short h_proto; /* packet type ID field */
+};
+
+struct slirp_arphdr {
+    unsigned short ar_hrd; /* format of hardware address */
+    unsigned short ar_pro; /* format of protocol address */
+    unsigned char ar_hln; /* length of hardware address */
+    unsigned char ar_pln; /* length of protocol address */
+    unsigned short ar_op; /* ARP opcode (command)       */
+
+    /*
+     *  Ethernet looks like this : This bit is variable sized however...
+     */
+    unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */
+    uint32_t ar_sip; /* sender IP address       */
+    unsigned char ar_tha[ETH_ALEN]; /* target hardware address */
+    uint32_t ar_tip; /* target IP address       */
+} SLIRP_PACKED;
+
+#define ARP_TABLE_SIZE 16
+
+typedef struct ArpTable {
+    struct slirp_arphdr table[ARP_TABLE_SIZE];
+    int next_victim;
+} ArpTable;
+
+void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t ethaddr[ETH_ALEN]);
+
+bool arp_table_search(Slirp *slirp, uint32_t ip_addr,
+                      uint8_t out_ethaddr[ETH_ALEN]);
+
+struct ndpentry {
+    unsigned char eth_addr[ETH_ALEN]; /* sender hardware address */
+    struct in6_addr ip_addr; /* sender IP address       */
+};
+
+#define NDP_TABLE_SIZE 16
+
+typedef struct NdpTable {
+    struct ndpentry table[NDP_TABLE_SIZE];
+    int next_victim;
+} NdpTable;
+
+void ndp_table_add(Slirp *slirp, struct in6_addr ip_addr,
+                   uint8_t ethaddr[ETH_ALEN]);
+bool ndp_table_search(Slirp *slirp, struct in6_addr ip_addr,
+                      uint8_t out_ethaddr[ETH_ALEN]);
+
+struct Slirp {
+    unsigned time_fasttimo;
+    unsigned last_slowtimo;
+    bool do_slowtimo;
+
+    bool in_enabled, in6_enabled;
+
+    /* virtual network configuration */
+    struct in_addr vnetwork_addr;
+    struct in_addr vnetwork_mask;
+    struct in_addr vhost_addr;
+    struct in6_addr vprefix_addr6;
+    uint8_t vprefix_len;
+    struct in6_addr vhost_addr6;
+    struct in_addr vdhcp_startaddr;
+    struct in_addr vnameserver_addr;
+    struct in6_addr vnameserver_addr6;
+
+    struct in_addr client_ipaddr;
+    char client_hostname[33];
+
+    int restricted;
+    struct gfwd_list *guestfwd_list;
+
+    int if_mtu;
+    int if_mru;
+
+    bool disable_host_loopback;
+
+    /* mbuf states */
+    struct quehead m_freelist;
+    struct quehead m_usedlist;
+    int mbuf_alloced;
+
+    /* if states */
+    struct quehead if_fastq; /* fast queue (for interactive data) */
+    struct quehead if_batchq; /* queue for non-interactive data */
+    bool if_start_busy; /* avoid if_start recursion */
+
+    /* ip states */
+    struct ipq ipq; /* ip reass. queue */
+    uint16_t ip_id; /* ip packet ctr, for ids */
+
+    /* bootp/dhcp states */
+    BOOTPClient bootp_clients[NB_BOOTP_CLIENTS];
+    char *bootp_filename;
+    size_t vdnssearch_len;
+    uint8_t *vdnssearch;
+    char *vdomainname;
+
+    /* tcp states */
+    struct socket tcb;
+    struct socket *tcp_last_so;
+    tcp_seq tcp_iss; /* tcp initial send seq # */
+    uint32_t tcp_now; /* for RFC 1323 timestamps */
+
+    /* udp states */
+    struct socket udb;
+    struct socket *udp_last_so;
+
+    /* icmp states */
+    struct socket icmp;
+    struct socket *icmp_last_so;
+
+    /* tftp states */
+    char *tftp_prefix;
+    struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
+    char *tftp_server_name;
+
+    ArpTable arp_table;
+    NdpTable ndp_table;
+
+    GRand *grand;
+    void *ra_timer;
+
+    bool enable_emu;
+
+    const SlirpCb *cb;
+    void *opaque;
+};
+
+void if_start(Slirp *);
+
+int get_dns_addr(struct in_addr *pdns_addr);
+int get_dns6_addr(struct in6_addr *pdns6_addr, uint32_t *scope_id);
+
+/* ncsi.c */
+void ncsi_input(Slirp *slirp, const uint8_t *pkt, int pkt_len);
+
+#ifndef _WIN32
+#include <netdb.h>
+#endif
+
+
+extern bool slirp_do_keepalive;
+
+#define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
+
+/* dnssearch.c */
+int translate_dnssearch(Slirp *s, const char **names);
+
+/* cksum.c */
+int cksum(struct mbuf *m, int len);
+int ip6_cksum(struct mbuf *m);
+
+/* if.c */
+void if_init(Slirp *);
+void if_output(struct socket *, struct mbuf *);
+
+/* ip_input.c */
+void ip_init(Slirp *);
+void ip_cleanup(Slirp *);
+void ip_input(struct mbuf *);
+void ip_slowtimo(Slirp *);
+void ip_stripoptions(register struct mbuf *, struct mbuf *);
+
+/* ip_output.c */
+int ip_output(struct socket *, struct mbuf *);
+
+/* ip6_input.c */
+void ip6_init(Slirp *);
+void ip6_cleanup(Slirp *);
+void ip6_input(struct mbuf *);
+
+/* ip6_output */
+int ip6_output(struct socket *, struct mbuf *, int fast);
+
+/* tcp_input.c */
+void tcp_input(register struct mbuf *, int, struct socket *, unsigned short af);
+int tcp_mss(register struct tcpcb *, unsigned);
+
+/* tcp_output.c */
+int tcp_output(register struct tcpcb *);
+void tcp_setpersist(register struct tcpcb *);
+
+/* tcp_subr.c */
+void tcp_init(Slirp *);
+void tcp_cleanup(Slirp *);
+void tcp_template(struct tcpcb *);
+void tcp_respond(struct tcpcb *, register struct tcpiphdr *,
+                 register struct mbuf *, tcp_seq, tcp_seq, int, unsigned short);
+struct tcpcb *tcp_newtcpcb(struct socket *);
+struct tcpcb *tcp_close(register struct tcpcb *);
+void tcp_sockclosed(struct tcpcb *);
+int tcp_fconnect(struct socket *, unsigned short af);
+void tcp_connect(struct socket *);
+int tcp_attach(struct socket *);
+uint8_t tcp_tos(struct socket *);
+int tcp_emu(struct socket *, struct mbuf *);
+int tcp_ctl(struct socket *);
+struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
+
+struct socket *slirp_find_ctl_socket(Slirp *slirp, struct in_addr guest_addr,
+                                     int guest_port);
+
+void slirp_send_packet_all(Slirp *slirp, const void *buf, size_t len);
+
+#endif