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 # define O_BINARY 0
  28 #endif
  29
  30 #include <sys/types.h>
  31 #ifdef HAVE_SYS_BITYPES_H
  32 # include <sys/bitypes.h>
  33 #endif
  34
  35 #include <sys/time.h>
  36
  37 #ifdef HAVE_UNISTD_H
  38 # include <unistd.h>
  39 #endif
  40
  41 #ifdef HAVE_STDLIB_H
  42 # include <stdlib.h>
  43 #endif
  44
  45 #include <stdio.h>
  46 #include <errno.h>
  47
  48 #ifndef HAVE_MEMMOVE
  49 #define memmove(x, y, z) bcopy(y, x, z)
  50 #endif
  51
  52 #if TIME_WITH_SYS_TIME
  53 # include <sys/time.h>
  54 # include <time.h>
  55 #else
  56 # ifdef HAVE_SYS_TIME_H
  57 #  include <sys/time.h>
  58 # else
  59 #  include <time.h>
  60 # endif
  61 #endif
  62
  63 #ifdef HAVE_STRING_H
  64 # include <string.h>
  65 #else
  66 # include <strings.h>
  67 #endif
  68
  69 #ifndef _WIN32
  70 #include <sys/uio.h>
  71 #endif
  72
  73 #ifndef _WIN32
  74 #include <netinet/in.h>
  75 #include <arpa/inet.h>
  76 #endif
  77
  78 /* Systems lacking strdup() definition in <string.h>. */
  79 #if defined(ultrix)
  80 char *strdup(const char *);
  81 #endif
  82
  83 /* Systems lacking malloc() definition in <stdlib.h>. */
  84 #if defined(ultrix) || defined(hcx)
  85 void *malloc(size_t arg);
  86 void free(void *ptr);
  87 #endif
  88
  89 #ifndef HAVE_INET_ATON
  90 int inet_aton(const char *cp, struct in_addr *ia);
  91 #endif
  92
  93 #include <fcntl.h>
  94 #ifndef NO_UNIX_SOCKETS
  95 #include <sys/un.h>
  96 #endif
  97 #include <signal.h>
  98 #ifdef HAVE_SYS_SIGNAL_H
  99 # include <sys/signal.h>
 100 #endif
 101 #ifndef _WIN32
 102 #include <sys/socket.h>
 103 #endif
 104
 105 #if defined(HAVE_SYS_IOCTL_H)
 106 # include <sys/ioctl.h>
 107 #endif
 108
 109 #ifdef HAVE_SYS_SELECT_H
 110 # include <sys/select.h>
 111 #endif
 112
 113 #ifdef HAVE_SYS_WAIT_H
 114 # include <sys/wait.h>
 115 #endif
 116
 117 #ifdef HAVE_SYS_FILIO_H
 118 # include <sys/filio.h>
 119 #endif
 120
 121 #ifdef USE_PPP
 122 #include <ppp/slirppp.h>
 123 #endif
 124
 125 #ifdef __STDC__
 126 #include <stdarg.h>
 127 #else
 128 #include <varargs.h>
 129 #endif
 130
 131 #include <sys/stat.h>
 132
 133 /* Avoid conflicting with the libc insque() and remque(), which
 134    have different prototypes. */
 135 #define insque slirp_insque
 136 #define remque slirp_remque
 137
 138 #ifdef HAVE_SYS_STROPTS_H
 139 #include <sys/stropts.h>
 140 #endif
 141
 142 #include "debug.h"
 143
 144 #include "qemu-queue.h"
 145
 146 #include "libslirp.h"
 147 #include "ip.h"
 148 #include "tcp.h"
 149 #include "tcp_timer.h"
 150 #include "tcp_var.h"
 151 #include "tcpip.h"
 152 #include "udp.h"
 153 #include "mbuf.h"
 154 #include "sbuf.h"
 155 #include "socket.h"
 156 #include "if.h"
 157 #include "main.h"
 158 #include "misc.h"
 159 #ifdef USE_PPP
 160 #include "ppp/pppd.h"
 161 #include "ppp/ppp.h"
 162 #endif
 163
 164 #include "bootp.h"
 165 #include "tftp.h"
 166
 167 /* osdep.c */
 168 int qemu_socket(int domain, int type, int protocol);
 169
 170
 171 struct Slirp {
 172     QTAILQ_ENTRY(Slirp) entry;
 173
 174     /* virtual network configuration */
 175     struct in_addr vnetwork_addr;
 176     struct in_addr vnetwork_mask;
 177     struct in_addr vhost_addr;
 178     struct in_addr vdhcp_startaddr;
 179     struct in_addr vnameserver_addr;
 180
 181     /* ARP cache for the guest IP addresses (XXX: allow many entries) */
 182     uint8_t client_ethaddr[6];
 183
 184     struct in_addr client_ipaddr;
 185     char client_hostname[33];
 186
 187     int restricted;
 188     struct timeval tt;
 189     struct ex_list *exec_list;
 190
 191     /* mbuf states */
 192     struct mbuf m_freelist, m_usedlist;
 193     int mbuf_alloced;
 194
 195     /* if states */
 196     int if_queued;          /* number of packets queued so far */
 197     struct mbuf if_fastq;   /* fast queue (for interactive data) */
 198     struct mbuf if_batchq;  /* queue for non-interactive data */
 199     struct mbuf *next_m;    /* pointer to next mbuf to output */
 200
 201     /* ip states */
 202     struct ipq ipq;         /* ip reass. queue */
 203     uint16_t ip_id;         /* ip packet ctr, for ids */
 204
 205     /* bootp/dhcp states */
 206     BOOTPClient bootp_clients[NB_BOOTP_CLIENTS];
 207     char *bootp_filename;
 208
 209     /* tcp states */
 210     struct socket tcb;
 211     struct socket *tcp_last_so;
 212     tcp_seq tcp_iss;        /* tcp initial send seq # */
 213     uint32_t tcp_now;       /* for RFC 1323 timestamps */
 214
 215     /* udp states */
 216     struct socket udb;
 217     struct socket *udp_last_so;
 218
 219     /* tftp states */
 220     char *tftp_prefix;
 221     struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
 222
 223     void *opaque;
 224 };
 225
 226 extern Slirp *slirp_instance;
 227
 228 #ifndef NULL
 229 #define NULL (void *)0
 230 #endif
 231
 232 #ifndef FULL_BOLT
 233 void if_start(Slirp *);
 234 #else
 235 void if_start(struct ttys *);
 236 #endif
 237
 238 #ifdef BAD_SPRINTF
 239 # define vsprintf vsprintf_len
 240 # define sprintf sprintf_len
 241  extern int vsprintf_len(char *, const char *, va_list);
 242  extern int sprintf_len(char *, const char *, ...);
 243 #endif
 244
 245 #ifdef DECLARE_SPRINTF
 246 # ifndef BAD_SPRINTF
 247  extern int vsprintf(char *, const char *, va_list);
 248 # endif
 249  extern int vfprintf(FILE *, const char *, va_list);
 250 #endif
 251
 252 #ifndef HAVE_STRERROR
 253  extern char *strerror(int error);
 254 #endif
 255
 256 #ifndef HAVE_INDEX
 257  char *index(const char *, int);
 258 #endif
 259
 260 #ifndef HAVE_GETHOSTID
 261  long gethostid(void);
 262 #endif
 263
 264 void lprint(const char *, ...);
 265
 266 #ifndef _WIN32
 267 #include <netdb.h>
 268 #endif
 269
 270 #define DEFAULT_BAUD 115200
 271
 272 #define SO_OPTIONS DO_KEEPALIVE
 273 #define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
 274
 275 /* cksum.c */
 276 int cksum(struct mbuf *m, int len);
 277
 278 /* if.c */
 279 void if_init(Slirp *);
 280 void if_output(struct socket *, struct mbuf *);
 281
 282 /* ip_input.c */
 283 void ip_init(Slirp *);
 284 void ip_input(struct mbuf *);
 285 void ip_slowtimo(Slirp *);
 286 void ip_stripoptions(register struct mbuf *, struct mbuf *);
 287
 288 /* ip_output.c */
 289 int ip_output(struct socket *, struct mbuf *);
 290
 291 /* tcp_input.c */
 292 void tcp_input(register struct mbuf *, int, struct socket *);
 293 int tcp_mss(register struct tcpcb *, u_int);
 294
 295 /* tcp_output.c */
 296 int tcp_output(register struct tcpcb *);
 297 void tcp_setpersist(register struct tcpcb *);
 298
 299 /* tcp_subr.c */
 300 void tcp_init(Slirp *);
 301 void tcp_template(struct tcpcb *);
 302 void tcp_respond(struct tcpcb *, register struct tcpiphdr *, register struct mbuf *, tcp_seq, tcp_seq, int);
 303 struct tcpcb * tcp_newtcpcb(struct socket *);
 304 struct tcpcb * tcp_close(register struct tcpcb *);
 305 void tcp_sockclosed(struct tcpcb *);
 306 int tcp_fconnect(struct socket *);
 307 void tcp_connect(struct socket *);
 308 int tcp_attach(struct socket *);
 309 uint8_t tcp_tos(struct socket *);
 310 int tcp_emu(struct socket *, struct mbuf *);
 311 int tcp_ctl(struct socket *);
 312 struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
 313
 314 #ifdef USE_PPP
 315 #define MIN_MRU MINMRU
 316 #define MAX_MRU MAXMRU
 317 #else
 318 #define MIN_MRU 128
 319 #define MAX_MRU 16384
 320 #endif
 321
 322 #ifndef _WIN32
 323 #define min(x,y) ((x) < (y) ? (x) : (y))
 324 #define max(x,y) ((x) > (y) ? (x) : (y))
 325 #endif
 326
 327 #ifdef _WIN32
 328 #undef errno
 329 #define errno (WSAGetLastError())
 330 #endif
 331
 332 #endif