slirp/slirp.h

   1 #ifndef __COMMON_H__
   2 #define __COMMON_H__
   3
   4 #include "config-host.h"
   5 #include "slirp_config.h"
   6
   7 #ifdef _WIN32
   8 # include <inttypes.h>
   9
  10 typedef char *caddr_t;
  11
  12 # include <windows.h>
  13 # include <winsock2.h>
  14 # include <ws2tcpip.h>
  15 # include <sys/timeb.h>
  16 # include <iphlpapi.h>
  17
  18 # define EWOULDBLOCK WSAEWOULDBLOCK
  19 # define EINPROGRESS WSAEINPROGRESS
  20 # define ENOTCONN WSAENOTCONN
  21 # define EHOSTUNREACH WSAEHOSTUNREACH
  22 # define ENETUNREACH WSAENETUNREACH
  23 # define ECONNREFUSED WSAECONNREFUSED
  24 #else
  25 # define ioctlsocket ioctl
  26 # define closesocket(s) close(s)
  27 # if !defined(__HAIKU__)
  28 #  define O_BINARY 0
  29 # endif
  30 #endif
  31
  32 #include <sys/types.h>
  33 #ifdef HAVE_SYS_BITYPES_H
  34 # include <sys/bitypes.h>
  35 #endif
  36
  37 #include <sys/time.h>
  38
  39 #ifdef HAVE_UNISTD_H
  40 # include <unistd.h>
  41 #endif
  42
  43 #ifdef HAVE_STDLIB_H
  44 # include <stdlib.h>
  45 #endif
  46
  47 #include <stdio.h>
  48 #include <errno.h>
  49
  50 #ifndef HAVE_MEMMOVE
  51 #define memmove(x, y, z) bcopy(y, x, z)
  52 #endif
  53
  54 #if TIME_WITH_SYS_TIME
  55 # include <sys/time.h>
  56 # include <time.h>
  57 #else
  58 # ifdef HAVE_SYS_TIME_H
  59 #  include <sys/time.h>
  60 # else
  61 #  include <time.h>
  62 # endif
  63 #endif
  64
  65 #ifdef HAVE_STRING_H
  66 # include <string.h>
  67 #else
  68 # include <strings.h>
  69 #endif
  70
  71 #ifndef _WIN32
  72 #include <sys/uio.h>
  73 #endif
  74
  75 #ifndef _WIN32
  76 #include <netinet/in.h>
  77 #include <arpa/inet.h>
  78 #endif
  79
  80 /* Systems lacking strdup() definition in <string.h>. */
  81 #if defined(ultrix)
  82 char *strdup(const char *);
  83 #endif
  84
  85 /* Systems lacking malloc() definition in <stdlib.h>. */
  86 #if defined(ultrix) || defined(hcx)
  87 void *malloc(size_t arg);
  88 void free(void *ptr);
  89 #endif
  90
  91 #ifndef HAVE_INET_ATON
  92 int inet_aton(const char *cp, struct in_addr *ia);
  93 #endif
  94
  95 #include <fcntl.h>
  96 #ifndef NO_UNIX_SOCKETS
  97 #include <sys/un.h>
  98 #endif
  99 #include <signal.h>
 100 #ifdef HAVE_SYS_SIGNAL_H
 101 # include <sys/signal.h>
 102 #endif
 103 #ifndef _WIN32
 104 #include <sys/socket.h>
 105 #endif
 106
 107 #if defined(HAVE_SYS_IOCTL_H)
 108 # include <sys/ioctl.h>
 109 #endif
 110
 111 #ifdef HAVE_SYS_SELECT_H
 112 # include <sys/select.h>
 113 #endif
 114
 115 #ifdef HAVE_SYS_WAIT_H
 116 # include <sys/wait.h>
 117 #endif
 118
 119 #ifdef HAVE_SYS_FILIO_H
 120 # include <sys/filio.h>
 121 #endif
 122
 123 #ifdef USE_PPP
 124 #include <ppp/slirppp.h>
 125 #endif
 126
 127 #ifdef __STDC__
 128 #include <stdarg.h>
 129 #else
 130 #include <varargs.h>
 131 #endif
 132
 133 #include <sys/stat.h>
 134
 135 /* Avoid conflicting with the libc insque() and remque(), which
 136    have different prototypes. */
 137 #define insque slirp_insque
 138 #define remque slirp_remque
 139
 140 #ifdef HAVE_SYS_STROPTS_H
 141 #include <sys/stropts.h>
 142 #endif
 143
 144 #include "debug.h"
 145
 146 #include "qemu-queue.h"
 147
 148 #include "libslirp.h"
 149 #include "ip.h"
 150 #include "tcp.h"
 151 #include "tcp_timer.h"
 152 #include "tcp_var.h"
 153 #include "tcpip.h"
 154 #include "udp.h"
 155 #include "mbuf.h"
 156 #include "sbuf.h"
 157 #include "socket.h"
 158 #include "if.h"
 159 #include "main.h"
 160 #include "misc.h"
 161 #ifdef USE_PPP
 162 #include "ppp/pppd.h"
 163 #include "ppp/ppp.h"
 164 #endif
 165
 166 #include "bootp.h"
 167 #include "tftp.h"
 168
 169 /* osdep.c */
 170 int qemu_socket(int domain, int type, int protocol);
 171
 172
 173 struct Slirp {
 174     QTAILQ_ENTRY(Slirp) entry;
 175
 176     /* virtual network configuration */
 177     struct in_addr vnetwork_addr;
 178     struct in_addr vnetwork_mask;
 179     struct in_addr vhost_addr;
 180     struct in_addr vdhcp_startaddr;
 181     struct in_addr vnameserver_addr;
 182
 183     /* ARP cache for the guest IP addresses (XXX: allow many entries) */
 184     uint8_t client_ethaddr[6];
 185
 186     struct in_addr client_ipaddr;
 187     char client_hostname[33];
 188
 189     int restricted;
 190     struct timeval tt;
 191     struct ex_list *exec_list;
 192
 193     /* mbuf states */
 194     struct mbuf m_freelist, m_usedlist;
 195     int mbuf_alloced;
 196
 197     /* if states */
 198     int if_queued;          /* number of packets queued so far */
 199     struct mbuf if_fastq;   /* fast queue (for interactive data) */
 200     struct mbuf if_batchq;  /* queue for non-interactive data */
 201     struct mbuf *next_m;    /* pointer to next mbuf to output */
 202
 203     /* ip states */
 204     struct ipq ipq;         /* ip reass. queue */
 205     uint16_t ip_id;         /* ip packet ctr, for ids */
 206
 207     /* bootp/dhcp states */
 208     BOOTPClient bootp_clients[NB_BOOTP_CLIENTS];
 209     char *bootp_filename;
 210
 211     /* tcp states */
 212     struct socket tcb;
 213     struct socket *tcp_last_so;
 214     tcp_seq tcp_iss;        /* tcp initial send seq # */
 215     uint32_t tcp_now;       /* for RFC 1323 timestamps */
 216
 217     /* udp states */
 218     struct socket udb;
 219     struct socket *udp_last_so;
 220
 221     /* tftp states */
 222     char *tftp_prefix;
 223     struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
 224
 225     void *opaque;
 226 };
 227
 228 extern Slirp *slirp_instance;
 229
 230 #ifndef NULL
 231 #define NULL (void *)0
 232 #endif
 233
 234 #ifndef FULL_BOLT
 235 void if_start(Slirp *);
 236 #else
 237 void if_start(struct ttys *);
 238 #endif
 239
 240 #ifndef HAVE_STRERROR
 241  char *strerror(int error);
 242 #endif
 243
 244 #ifndef HAVE_INDEX
 245  char *index(const char *, int);
 246 #endif
 247
 248 #ifndef HAVE_GETHOSTID
 249  long gethostid(void);
 250 #endif
 251
 252 void lprint(const char *, ...) GCC_FMT_ATTR(1, 2);
 253
 254 #ifndef _WIN32
 255 #include <netdb.h>
 256 #endif
 257
 258 #define DEFAULT_BAUD 115200
 259
 260 #define SO_OPTIONS DO_KEEPALIVE
 261 #define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
 262
 263 /* cksum.c */
 264 int cksum(struct mbuf *m, int len);
 265
 266 /* if.c */
 267 void if_init(Slirp *);
 268 void if_output(struct socket *, struct mbuf *);
 269
 270 /* ip_input.c */
 271 void ip_init(Slirp *);
 272 void ip_input(struct mbuf *);
 273 void ip_slowtimo(Slirp *);
 274 void ip_stripoptions(register struct mbuf *, struct mbuf *);
 275
 276 /* ip_output.c */
 277 int ip_output(struct socket *, struct mbuf *);
 278
 279 /* tcp_input.c */
 280 void tcp_input(register struct mbuf *, int, struct socket *);
 281 int tcp_mss(register struct tcpcb *, u_int);
 282
 283 /* tcp_output.c */
 284 int tcp_output(register struct tcpcb *);
 285 void tcp_setpersist(register struct tcpcb *);
 286
 287 /* tcp_subr.c */
 288 void tcp_init(Slirp *);
 289 void tcp_template(struct tcpcb *);
 290 void tcp_respond(struct tcpcb *, register struct tcpiphdr *, register struct mbuf *, tcp_seq, tcp_seq, int);
 291 struct tcpcb * tcp_newtcpcb(struct socket *);
 292 struct tcpcb * tcp_close(register struct tcpcb *);
 293 void tcp_sockclosed(struct tcpcb *);
 294 int tcp_fconnect(struct socket *);
 295 void tcp_connect(struct socket *);
 296 int tcp_attach(struct socket *);
 297 uint8_t tcp_tos(struct socket *);
 298 int tcp_emu(struct socket *, struct mbuf *);
 299 int tcp_ctl(struct socket *);
 300 struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
 301
 302 #ifdef USE_PPP
 303 #define MIN_MRU MINMRU
 304 #define MAX_MRU MAXMRU
 305 #else
 306 #define MIN_MRU 128
 307 #define MAX_MRU 16384
 308 #endif
 309
 310 #ifndef _WIN32
 311 #define min(x,y) ((x) < (y) ? (x) : (y))
 312 #define max(x,y) ((x) > (y) ? (x) : (y))
 313 #endif
 314
 315 #ifdef _WIN32
 316 #undef errno
 317 #define errno (WSAGetLastError())
 318 #endif
 319
 320 #endif