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      1 #ifndef __COMMON_H__
      2 #define __COMMON_H__
      3 
      4 #define CONFIG_QEMU
      5 
      6 //#define DEBUG 1
      7 
      8 // Uncomment the following line to enable SLIRP statistics printing in Qemu
      9 //#define LOG_ENABLED
     10 
     11 #ifdef LOG_ENABLED
     12 #define STAT(expr) expr
     13 #else
     14 #define STAT(expr) do { } while(0)
     15 #endif
     16 
     17 #ifndef CONFIG_QEMU
     18 #include "version.h"
     19 #endif
     20 #include "config-host.h"
     21 #include "slirp_config.h"
     22 
     23 #ifdef _WIN32
     24 # include <inttypes.h>
     25 
     26 typedef uint8_t u_int8_t;
     27 typedef uint16_t u_int16_t;
     28 typedef uint32_t u_int32_t;
     29 typedef uint64_t u_int64_t;
     30 typedef char *caddr_t;
     31 
     32 # include <windows.h>
     33 # include <winsock2.h>
     34 # include <ws2tcpip.h>
     35 # include <sys/timeb.h>
     36 # include <iphlpapi.h>
     37 
     38 # define EWOULDBLOCK WSAEWOULDBLOCK
     39 # define EINPROGRESS WSAEINPROGRESS
     40 # define ENOTCONN WSAENOTCONN
     41 # define EHOSTUNREACH WSAEHOSTUNREACH
     42 # define ENETUNREACH WSAENETUNREACH
     43 # define ECONNREFUSED WSAECONNREFUSED
     44 #else
     45 # define ioctlsocket ioctl
     46 # define closesocket(s) close(s)
     47 # define O_BINARY 0
     48 #endif
     49 
     50 #include <sys/types.h>
     51 #ifdef HAVE_SYS_BITYPES_H
     52 # include <sys/bitypes.h>
     53 #endif
     54 
     55 #include <sys/time.h>
     56 
     57 #ifdef NEED_TYPEDEFS
     58 typedef char int8_t;
     59 typedef unsigned char u_int8_t;
     60 
     61 # if SIZEOF_SHORT == 2
     62     typedef short int16_t;
     63     typedef unsigned short u_int16_t;
     64 # else
     65 #  if SIZEOF_INT == 2
     66     typedef int int16_t;
     67     typedef unsigned int u_int16_t;
     68 #  else
     69     #error Cannot find a type with sizeof() == 2
     70 #  endif
     71 # endif
     72 
     73 # if SIZEOF_SHORT == 4
     74    typedef short int32_t;
     75    typedef unsigned short u_int32_t;
     76 # else
     77 #  if SIZEOF_INT == 4
     78     typedef int int32_t;
     79     typedef unsigned int u_int32_t;
     80 #  else
     81     #error Cannot find a type with sizeof() == 4
     82 #  endif
     83 # endif
     84 #endif /* NEED_TYPEDEFS */
     85 
     86 #ifdef HAVE_UNISTD_H
     87 # include <unistd.h>
     88 #endif
     89 
     90 #ifdef HAVE_STDLIB_H
     91 # include <stdlib.h>
     92 #endif
     93 
     94 #include <stdio.h>
     95 #include <errno.h>
     96 
     97 #ifndef HAVE_MEMMOVE
     98 #define memmove(x, y, z) bcopy(y, x, z)
     99 #endif
    100 
    101 #if TIME_WITH_SYS_TIME
    102 # include <sys/time.h>
    103 # include <time.h>
    104 #else
    105 # ifdef HAVE_SYS_TIME_H
    106 #  include <sys/time.h>
    107 # else
    108 #  include <time.h>
    109 # endif
    110 #endif
    111 
    112 #ifdef HAVE_STRING_H
    113 # include <string.h>
    114 #else
    115 # include <strings.h>
    116 #endif
    117 
    118 #ifndef _WIN32
    119 #include <sys/uio.h>
    120 #endif
    121 
    122 #undef _P
    123 #ifndef NO_PROTOTYPES
    124 #  define   _P(x)   x
    125 #else
    126 #  define   _P(x)   ()
    127 #endif
    128 
    129 #ifndef _WIN32
    130 #include <netinet/in.h>
    131 #include <arpa/inet.h>
    132 #endif
    133 
    134 #ifdef GETTIMEOFDAY_ONE_ARG
    135 #define gettimeofday(x, y) gettimeofday(x)
    136 #endif
    137 
    138 /* Systems lacking strdup() definition in <string.h>. */
    139 #if defined(ultrix)
    140 char *strdup _P((const char *));
    141 #endif
    142 
    143 /* Systems lacking malloc() definition in <stdlib.h>. */
    144 #if defined(ultrix) || defined(hcx)
    145 void *malloc _P((size_t arg));
    146 void free _P((void *ptr));
    147 #endif
    148 
    149 #ifndef HAVE_INET_ATON
    150 int inet_aton _P((const char *cp, struct in_addr *ia));
    151 #endif
    152 
    153 #include <fcntl.h>
    154 #ifndef NO_UNIX_SOCKETS
    155 #include <sys/un.h>
    156 #endif
    157 #include <signal.h>
    158 #ifdef HAVE_SYS_SIGNAL_H
    159 # include <sys/signal.h>
    160 #endif
    161 #ifndef _WIN32
    162 #include <sys/socket.h>
    163 #endif
    164 
    165 #if defined(HAVE_SYS_IOCTL_H)
    166 # include <sys/ioctl.h>
    167 #endif
    168 
    169 #ifdef HAVE_SYS_SELECT_H
    170 # include <sys/select.h>
    171 #endif
    172 
    173 #ifdef HAVE_SYS_WAIT_H
    174 # include <sys/wait.h>
    175 #endif
    176 
    177 #ifdef HAVE_SYS_FILIO_H
    178 # include <sys/filio.h>
    179 #endif
    180 
    181 #ifdef USE_PPP
    182 #include <ppp/slirppp.h>
    183 #endif
    184 
    185 #ifdef __STDC__
    186 #include <stdarg.h>
    187 #else
    188 #include <varargs.h>
    189 #endif
    190 
    191 #include <sys/stat.h>
    192 
    193 /* Avoid conflicting with the libc insque() and remque(), which
    194    have different prototypes. */
    195 #define insque slirp_insque
    196 #define remque slirp_remque
    197 
    198 #ifdef HAVE_SYS_STROPTS_H
    199 #include <sys/stropts.h>
    200 #endif
    201 
    202 #include "debug.h"
    203 
    204 #include "ip.h"
    205 #include "tcp.h"
    206 #include "tcp_timer.h"
    207 #include "tcp_var.h"
    208 #include "tcpip.h"
    209 #include "udp.h"
    210 #include "icmp_var.h"
    211 #include "mbuf.h"
    212 #include "sbuf.h"
    213 #include "socket.h"
    214 #include "if.h"
    215 #include "main.h"
    216 #include "misc.h"
    217 #include "ctl.h"
    218 #ifdef USE_PPP
    219 #include "ppp/pppd.h"
    220 #include "ppp/ppp.h"
    221 #endif
    222 
    223 #include "bootp.h"
    224 #include "tftp.h"
    225 #include "libslirp.h"
    226 
    227 extern struct ttys *ttys_unit[MAX_INTERFACES];
    228 
    229 #ifndef NULL
    230 #define NULL (void *)0
    231 #endif
    232 
    233 #ifndef FULL_BOLT
    234 void if_start _P((void));
    235 #else
    236 void if_start _P((struct ttys *));
    237 #endif
    238 
    239 #ifdef BAD_SPRINTF
    240 # define vsprintf vsprintf_len
    241 # define sprintf sprintf_len
    242  extern int vsprintf_len _P((char *, const char *, va_list));
    243  extern int sprintf_len _P((char *, const char *, ...));
    244 #endif
    245 
    246 #ifdef DECLARE_SPRINTF
    247 # ifndef BAD_SPRINTF
    248  extern int vsprintf _P((char *, const char *, va_list));
    249 # endif
    250  extern int vfprintf _P((FILE *, const char *, va_list));
    251 #endif
    252 
    253 #ifndef HAVE_STRERROR
    254  extern char *strerror _P((int error));
    255 #endif
    256 
    257 #ifndef HAVE_INDEX
    258  char *index _P((const char *, int));
    259 #endif
    260 
    261 #ifndef HAVE_GETHOSTID
    262  long gethostid _P((void));
    263 #endif
    264 
    265 void lprint _P((const char *, ...));
    266 
    267 #ifndef _WIN32
    268 #include <netdb.h>
    269 #endif
    270 
    271 #define DEFAULT_BAUD 115200
    272 
    273 #define SO_OPTIONS DO_KEEPALIVE
    274 #define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
    275 
    276 /* cksum.c */
    277 int cksum(struct mbuf *m, int len);
    278 
    279 /* if.c */
    280 void if_init _P((void));
    281 void if_output _P((struct socket *, struct mbuf *));
    282 
    283 /* ip_input.c */
    284 void ip_init _P((void));
    285 void ip_input _P((struct mbuf *));
    286 void ip_slowtimo _P((void));
    287 void ip_stripoptions _P((register struct mbuf *, struct mbuf *));
    288 
    289 /* ip_output.c */
    290 int ip_output _P((struct socket *, struct mbuf *));
    291 
    292 /* tcp_input.c */
    293 void tcp_input _P((register struct mbuf *, int, struct socket *));
    294 int tcp_mss _P((register struct tcpcb *, u_int));
    295 
    296 /* tcp_output.c */
    297 int tcp_output _P((register struct tcpcb *));
    298 void tcp_setpersist _P((register struct tcpcb *));
    299 
    300 /* tcp_subr.c */
    301 void tcp_init _P((void));
    302 void tcp_template _P((struct tcpcb *));
    303 void tcp_respond _P((struct tcpcb *, register struct tcpiphdr *, register struct mbuf *, tcp_seq, tcp_seq, int));
    304 struct tcpcb * tcp_newtcpcb _P((struct socket *));
    305 struct tcpcb * tcp_close _P((register struct tcpcb *));
    306 void tcp_sockclosed _P((struct tcpcb *));
    307 int tcp_fconnect _P((struct socket *));
    308 void tcp_connect _P((struct socket *));
    309 int tcp_attach _P((struct socket *));
    310 u_int8_t tcp_tos _P((struct socket *));
    311 int tcp_emu _P((struct socket *, struct mbuf *));
    312 int tcp_ctl _P((struct socket *));
    313 struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
    314 
    315 #ifdef USE_PPP
    316 #define MIN_MRU MINMRU
    317 #define MAX_MRU MAXMRU
    318 #else
    319 #define MIN_MRU 128
    320 #define MAX_MRU 16384
    321 #endif
    322 
    323 #ifndef _WIN32
    324 #define min(x,y) ((x) < (y) ? (x) : (y))
    325 #define max(x,y) ((x) > (y) ? (x) : (y))
    326 #endif
    327 
    328 #ifdef _WIN32
    329 #undef errno
    330 #define errno (WSAGetLastError())
    331 #endif
    332 
    333 #endif
    334