Archipelago » qemu

#ifndef __COMMON_H__

#define __COMMON_H__

#include "config-host.h"

#include "slirp_config.h"

#ifdef _WIN32

# include <inttypes.h>

typedef char *caddr_t;

# include <windows.h>

# include <winsock2.h>

# include <ws2tcpip.h>

# include <sys/timeb.h>

# include <iphlpapi.h>

#else

# define ioctlsocket ioctl

# define closesocket(s) close(s)

# if !defined(__HAIKU__)

#  define O_BINARY 0

# endif

#endif

#include <sys/types.h>

#ifdef HAVE_SYS_BITYPES_H

# include <sys/bitypes.h>

#endif

#include <sys/time.h>

#ifdef HAVE_UNISTD_H

# include <unistd.h>

#endif

#ifdef HAVE_STDLIB_H

# include <stdlib.h>

#endif

#include <stdio.h>

#include <errno.h>

#ifndef HAVE_MEMMOVE

#define memmove(x, y, z) bcopy(y, x, z)

#endif

#if TIME_WITH_SYS_TIME

# include <sys/time.h>

# include <time.h>

#else

# ifdef HAVE_SYS_TIME_H

#  include <sys/time.h>

# else

#  include <time.h>

# endif

#endif

#ifdef HAVE_STRING_H

# include <string.h>

#else

# include <strings.h>

#endif

#ifndef _WIN32

#include <sys/uio.h>

#endif

#ifndef _WIN32

#include <netinet/in.h>

#include <arpa/inet.h>

#endif

/* Systems lacking strdup() definition in <string.h>. */

#if defined(ultrix)

char *strdup(const char *);

#endif

/* Systems lacking malloc() definition in <stdlib.h>. */

#if defined(ultrix) || defined(hcx)

void *malloc(size_t arg);

void free(void *ptr);

#endif

#include <fcntl.h>

#ifndef NO_UNIX_SOCKETS

#include <sys/un.h>

#endif

#include <signal.h>

#ifdef HAVE_SYS_SIGNAL_H

# include <sys/signal.h>

#endif

#ifndef _WIN32

#include <sys/socket.h>

#endif

#if defined(HAVE_SYS_IOCTL_H)

# include <sys/ioctl.h>

#endif

#ifdef HAVE_SYS_SELECT_H

# include <sys/select.h>

#endif

#ifdef HAVE_SYS_WAIT_H

# include <sys/wait.h>

#endif

#ifdef HAVE_SYS_FILIO_H

# include <sys/filio.h>

#endif

#ifdef USE_PPP

#include <ppp/slirppp.h>

#endif

#ifdef __STDC__

#include <stdarg.h>

#else

#include <varargs.h>

#endif

#include <sys/stat.h>

/* Avoid conflicting with the libc insque() and remque(), which

   have different prototypes. */

#define insque slirp_insque

#define remque slirp_remque

#ifdef HAVE_SYS_STROPTS_H

#include <sys/stropts.h>

#endif

#include "debug.h"

#include "qemu/queue.h"

#include "qemu/sockets.h"

#include "libslirp.h"

#include "ip.h"

#include "tcp.h"

#include "tcp_timer.h"

#include "tcp_var.h"

#include "tcpip.h"

#include "udp.h"

#include "ip_icmp.h"

#include "mbuf.h"

#include "sbuf.h"

#include "socket.h"

#include "if.h"

#include "main.h"

#include "misc.h"

#ifdef USE_PPP

#include "ppp/pppd.h"

#include "ppp/ppp.h"

#endif

#include "bootp.h"

#include "tftp.h"

#define ETH_ALEN 6

#define ETH_HLEN 14

#define ETH_P_IP  0x0800        /* Internet Protocol packet  */

#define ETH_P_ARP 0x0806        /* Address Resolution packet */

#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 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       */

} QEMU_PACKED;

#define ARP_TABLE_SIZE 16

typedef struct ArpTable {

    struct 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 Slirp {

    QTAILQ_ENTRY(Slirp) entry;

    /* virtual network configuration */

    struct in_addr vnetwork_addr;

    struct in_addr vnetwork_mask;

    struct in_addr vhost_addr;

    struct in_addr vdhcp_startaddr;

    struct in_addr vnameserver_addr;

    struct in_addr client_ipaddr;

    char client_hostname[33];

    int restricted;

    struct timeval tt;

    struct ex_list *exec_list;

    /* mbuf states */

    struct mbuf m_freelist, m_usedlist;

    int mbuf_alloced;

    /* if states */

    struct mbuf if_fastq;   /* fast queue (for interactive data) */

    struct mbuf if_batchq;  /* queue for non-interactive data */

    struct mbuf *next_m;    /* pointer to next mbuf to output */

    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;

    /* 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];

    ArpTable arp_table;

    void *opaque;

};

extern Slirp *slirp_instance;

#ifndef NULL

#define NULL (void *)0

#endif

#ifndef FULL_BOLT

void if_start(Slirp *);

#else

void if_start(struct ttys *);

#endif

#ifndef HAVE_STRERROR

 char *strerror(int error);

#endif

#ifndef HAVE_INDEX

 char *index(const char *, int);

#endif

#ifndef HAVE_GETHOSTID

 long gethostid(void);

#endif

void lprint(const char *, ...) GCC_FMT_ATTR(1, 2);

#ifndef _WIN32

#include <netdb.h>

#endif

#define DEFAULT_BAUD 115200

#define SO_OPTIONS 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);

/* 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 *);

/* tcp_input.c */

void tcp_input(register struct mbuf *, int, struct socket *);

int tcp_mss(register struct tcpcb *, u_int);

/* 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);

struct tcpcb * tcp_newtcpcb(struct socket *);

struct tcpcb * tcp_close(register struct tcpcb *);

void tcp_sockclosed(struct tcpcb *);

int tcp_fconnect(struct socket *);

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);

#ifdef USE_PPP

#define MIN_MRU MINMRU

#define MAX_MRU MAXMRU

#else

#define MIN_MRU 128

#define MAX_MRU 16384

#endif

#ifndef _WIN32

#define min(x,y) ((x) < (y) ? (x) : (y))

#define max(x,y) ((x) > (y) ? (x) : (y))

#endif

#ifdef _WIN32

#undef errno

#define errno (WSAGetLastError())

#endif

#endif