| 1 | #ifndef __COMMON_H__
|
|---|
| 2 | #define __COMMON_H__
|
|---|
| 3 |
|
|---|
| 4 | #include <VBox/stam.h>
|
|---|
| 5 |
|
|---|
| 6 | #ifdef RT_OS_WINDOWS
|
|---|
| 7 | # include <winsock2.h>
|
|---|
| 8 | # include <ws2tcpip.h>
|
|---|
| 9 | typedef int socklen_t;
|
|---|
| 10 | #endif
|
|---|
| 11 | #ifdef RT_OS_OS2 /* temporary workaround, see ticket #127 */
|
|---|
| 12 | # define mbstat mbstat_os2
|
|---|
| 13 | # include <sys/socket.h>
|
|---|
| 14 | # undef mbstat
|
|---|
| 15 | typedef int socklen_t;
|
|---|
| 16 | #endif
|
|---|
| 17 |
|
|---|
| 18 | #define CONFIG_QEMU
|
|---|
| 19 |
|
|---|
| 20 | #ifdef DEBUG
|
|---|
| 21 | # undef DEBUG
|
|---|
| 22 | # define DEBUG 1
|
|---|
| 23 | #endif
|
|---|
| 24 |
|
|---|
| 25 | #ifndef CONFIG_QEMU
|
|---|
| 26 | # include "version.h"
|
|---|
| 27 | #endif
|
|---|
| 28 | #define LOG_GROUP LOG_GROUP_DRV_NAT
|
|---|
| 29 | #include <VBox/log.h>
|
|---|
| 30 | #include <iprt/mem.h>
|
|---|
| 31 | #ifdef RT_OS_WINDOWS
|
|---|
| 32 | # include <windows.h>
|
|---|
| 33 | # include <io.h>
|
|---|
| 34 | #endif
|
|---|
| 35 | #include <iprt/assert.h>
|
|---|
| 36 | #include <iprt/string.h>
|
|---|
| 37 | #include <iprt/dir.h>
|
|---|
| 38 | #include <iprt/rand.h>
|
|---|
| 39 | #include <VBox/types.h>
|
|---|
| 40 |
|
|---|
| 41 | #undef malloc
|
|---|
| 42 | #define malloc dont_use_malloc
|
|---|
| 43 | #undef free
|
|---|
| 44 | #define free dont_use_free
|
|---|
| 45 | #undef realloc
|
|---|
| 46 | #define realloc dont_use_realloc
|
|---|
| 47 | #undef strdup
|
|---|
| 48 | #define strdup dont_use_strdup
|
|---|
| 49 |
|
|---|
| 50 | #include "slirp_config.h"
|
|---|
| 51 |
|
|---|
| 52 | #ifdef RT_OS_WINDOWS
|
|---|
| 53 |
|
|---|
| 54 | # ifndef _MSC_VER
|
|---|
| 55 | # include <inttypes.h>
|
|---|
| 56 | # endif
|
|---|
| 57 |
|
|---|
| 58 | typedef uint8_t u_int8_t;
|
|---|
| 59 | typedef uint16_t u_int16_t;
|
|---|
| 60 | typedef uint32_t u_int32_t;
|
|---|
| 61 | typedef uint64_t u_int64_t;
|
|---|
| 62 | typedef char *caddr_t;
|
|---|
| 63 |
|
|---|
| 64 | # include <sys/timeb.h>
|
|---|
| 65 | # include <iphlpapi.h>
|
|---|
| 66 |
|
|---|
| 67 | # define EWOULDBLOCK WSAEWOULDBLOCK
|
|---|
| 68 | # define EINPROGRESS WSAEINPROGRESS
|
|---|
| 69 | # define ENOTCONN WSAENOTCONN
|
|---|
| 70 | # define EHOSTUNREACH WSAEHOSTUNREACH
|
|---|
| 71 | # define ENETUNREACH WSAENETUNREACH
|
|---|
| 72 | # define ECONNREFUSED WSAECONNREFUSED
|
|---|
| 73 |
|
|---|
| 74 | #else /* !RT_OS_WINDOWS */
|
|---|
| 75 |
|
|---|
| 76 | # define ioctlsocket ioctl
|
|---|
| 77 | # define closesocket(s) close(s)
|
|---|
| 78 | # define O_BINARY 0
|
|---|
| 79 |
|
|---|
| 80 | #endif /* !RT_OS_WINDOWS */
|
|---|
| 81 |
|
|---|
| 82 | #include <sys/types.h>
|
|---|
| 83 | #ifdef HAVE_SYS_BITYPES_H
|
|---|
| 84 | # include <sys/bitypes.h>
|
|---|
| 85 | #endif
|
|---|
| 86 |
|
|---|
| 87 | #ifdef _MSC_VER
|
|---|
| 88 | # include <time.h>
|
|---|
| 89 | #else /* !_MSC_VER */
|
|---|
| 90 | # include <sys/time.h>
|
|---|
| 91 | #endif /* !_MSC_VER */
|
|---|
| 92 |
|
|---|
| 93 | #ifdef NEED_TYPEDEFS
|
|---|
| 94 | typedef char int8_t;
|
|---|
| 95 | typedef unsigned char u_int8_t;
|
|---|
| 96 |
|
|---|
| 97 | # if SIZEOF_SHORT == 2
|
|---|
| 98 | typedef short int16_t;
|
|---|
| 99 | typedef unsigned short u_int16_t;
|
|---|
| 100 | # else
|
|---|
| 101 | # if SIZEOF_INT == 2
|
|---|
| 102 | typedef int int16_t;
|
|---|
| 103 | typedef unsigned int u_int16_t;
|
|---|
| 104 | # else
|
|---|
| 105 | #error Cannot find a type with sizeof() == 2
|
|---|
| 106 | # endif
|
|---|
| 107 | # endif
|
|---|
| 108 |
|
|---|
| 109 | # if SIZEOF_SHORT == 4
|
|---|
| 110 | typedef short int32_t;
|
|---|
| 111 | typedef unsigned short u_int32_t;
|
|---|
| 112 | # else
|
|---|
| 113 | # if SIZEOF_INT == 4
|
|---|
| 114 | typedef int int32_t;
|
|---|
| 115 | typedef unsigned int u_int32_t;
|
|---|
| 116 | # else
|
|---|
| 117 | #error Cannot find a type with sizeof() == 4
|
|---|
| 118 | # endif
|
|---|
| 119 | # endif
|
|---|
| 120 | #endif /* NEED_TYPEDEFS */
|
|---|
| 121 |
|
|---|
| 122 | #ifdef HAVE_UNISTD_H
|
|---|
| 123 | # include <unistd.h>
|
|---|
| 124 | #endif
|
|---|
| 125 |
|
|---|
| 126 | #ifdef HAVE_STDLIB_H
|
|---|
| 127 | # include <stdlib.h>
|
|---|
| 128 | #endif
|
|---|
| 129 |
|
|---|
| 130 | #include <errno.h>
|
|---|
| 131 |
|
|---|
| 132 |
|
|---|
| 133 | #ifndef HAVE_MEMMOVE
|
|---|
| 134 | # define memmove(x, y, z) bcopy(y, x, z)
|
|---|
| 135 | #endif
|
|---|
| 136 |
|
|---|
| 137 | #if TIME_WITH_SYS_TIME
|
|---|
| 138 | # include <sys/time.h>
|
|---|
| 139 | # include <time.h>
|
|---|
| 140 | #else
|
|---|
| 141 | # if HAVE_SYS_TIME_H
|
|---|
| 142 | # include <sys/time.h>
|
|---|
| 143 | # else
|
|---|
| 144 | # include <time.h>
|
|---|
| 145 | # endif
|
|---|
| 146 | #endif
|
|---|
| 147 |
|
|---|
| 148 | #ifdef HAVE_STRING_H
|
|---|
| 149 | # include <string.h>
|
|---|
| 150 | #else
|
|---|
| 151 | # include <strings.h>
|
|---|
| 152 | #endif
|
|---|
| 153 |
|
|---|
| 154 | #ifndef RT_OS_WINDOWS
|
|---|
| 155 | # include <sys/uio.h>
|
|---|
| 156 | #endif
|
|---|
| 157 |
|
|---|
| 158 | #ifndef RT_OS_WINDOWS
|
|---|
| 159 | # include <netinet/in.h>
|
|---|
| 160 | # include <arpa/inet.h>
|
|---|
| 161 | #endif
|
|---|
| 162 |
|
|---|
| 163 | #ifdef GETTIMEOFDAY_ONE_ARG
|
|---|
| 164 | # define gettimeofday(x, y) gettimeofday(x)
|
|---|
| 165 | #endif
|
|---|
| 166 |
|
|---|
| 167 | #ifndef HAVE_INET_ATON
|
|---|
| 168 | int inet_aton (const char *cp, struct in_addr *ia);
|
|---|
| 169 | #endif
|
|---|
| 170 |
|
|---|
| 171 | #include <fcntl.h>
|
|---|
| 172 | #ifndef NO_UNIX_SOCKETS
|
|---|
| 173 | # include <sys/un.h>
|
|---|
| 174 | #endif
|
|---|
| 175 | #include <signal.h>
|
|---|
| 176 | #ifdef HAVE_SYS_SIGNAL_H
|
|---|
| 177 | # include <sys/signal.h>
|
|---|
| 178 | #endif
|
|---|
| 179 | #ifndef RT_OS_WINDOWS
|
|---|
| 180 | # include <sys/socket.h>
|
|---|
| 181 | #endif
|
|---|
| 182 |
|
|---|
| 183 | #if defined(HAVE_SYS_IOCTL_H)
|
|---|
| 184 | # include <sys/ioctl.h>
|
|---|
| 185 | #endif
|
|---|
| 186 |
|
|---|
| 187 | #ifdef HAVE_SYS_SELECT_H
|
|---|
| 188 | # include <sys/select.h>
|
|---|
| 189 | #endif
|
|---|
| 190 |
|
|---|
| 191 | #ifdef HAVE_SYS_WAIT_H
|
|---|
| 192 | # include <sys/wait.h>
|
|---|
| 193 | #endif
|
|---|
| 194 |
|
|---|
| 195 | #ifdef HAVE_SYS_FILIO_H
|
|---|
| 196 | # include <sys/filio.h>
|
|---|
| 197 | #endif
|
|---|
| 198 |
|
|---|
| 199 | #if defined(__STDC__) || defined(_MSC_VER)
|
|---|
| 200 | # include <stdarg.h>
|
|---|
| 201 | #else
|
|---|
| 202 | # include <varargs.h>
|
|---|
| 203 | #endif
|
|---|
| 204 |
|
|---|
| 205 | #include <sys/stat.h>
|
|---|
| 206 |
|
|---|
| 207 | /* Avoid conflicting with the libc insque() and remque(), which
|
|---|
| 208 | * have different prototypes. */
|
|---|
| 209 | #define insque slirp_insque
|
|---|
| 210 | #define remque slirp_remque
|
|---|
| 211 |
|
|---|
| 212 | #ifdef HAVE_SYS_STROPTS_H
|
|---|
| 213 | # include <sys/stropts.h>
|
|---|
| 214 | #endif
|
|---|
| 215 |
|
|---|
| 216 | #include "libslirp.h"
|
|---|
| 217 |
|
|---|
| 218 | #include "debug.h"
|
|---|
| 219 |
|
|---|
| 220 | #include "ip.h"
|
|---|
| 221 | #include "tcp.h"
|
|---|
| 222 | #include "tcp_timer.h"
|
|---|
| 223 | #include "tcp_var.h"
|
|---|
| 224 | #include "tcpip.h"
|
|---|
| 225 | #include "udp.h"
|
|---|
| 226 | #include "icmp_var.h"
|
|---|
| 227 | #include "mbuf.h"
|
|---|
| 228 | #include "sbuf.h"
|
|---|
| 229 | #include "socket.h"
|
|---|
| 230 | #include "if.h"
|
|---|
| 231 | #include "main.h"
|
|---|
| 232 | #include "misc.h"
|
|---|
| 233 | #include "ctl.h"
|
|---|
| 234 | #include "bootp.h"
|
|---|
| 235 | #include "tftp.h"
|
|---|
| 236 |
|
|---|
| 237 | #include "slirp_state.h"
|
|---|
| 238 |
|
|---|
| 239 | #undef PVM /* XXX Mac OS X hack */
|
|---|
| 240 |
|
|---|
| 241 | #ifndef NULL
|
|---|
| 242 | # define NULL (void *)0
|
|---|
| 243 | #endif
|
|---|
| 244 |
|
|---|
| 245 | void if_start (PNATState);
|
|---|
| 246 |
|
|---|
| 247 | #ifndef HAVE_INDEX
|
|---|
| 248 | char *index (const char *, int);
|
|---|
| 249 | #endif
|
|---|
| 250 |
|
|---|
| 251 | #ifndef HAVE_GETHOSTID
|
|---|
| 252 | long gethostid (void);
|
|---|
| 253 | #endif
|
|---|
| 254 |
|
|---|
| 255 | #ifndef RT_OS_WINDOWS
|
|---|
| 256 | #include <netdb.h>
|
|---|
| 257 | #endif
|
|---|
| 258 |
|
|---|
| 259 | #include "dnsproxy/dnsproxy.h"
|
|---|
| 260 |
|
|---|
| 261 | #define DEFAULT_BAUD 115200
|
|---|
| 262 |
|
|---|
| 263 | int get_dns_addr(PNATState pData, struct in_addr *pdns_addr);
|
|---|
| 264 |
|
|---|
| 265 | /* cksum.c */
|
|---|
| 266 | #ifndef VBOX_WITH_SLIRP_BSD_MBUF
|
|---|
| 267 | int cksum(struct mbuf *m, int len);
|
|---|
| 268 | #else
|
|---|
| 269 | typedef uint16_t u_short;
|
|---|
| 270 | typedef unsigned int u_int;
|
|---|
| 271 | #include "in_cksum.h"
|
|---|
| 272 | #endif
|
|---|
| 273 |
|
|---|
| 274 | /* if.c */
|
|---|
| 275 | void if_init (PNATState);
|
|---|
| 276 | void if_output (PNATState, struct socket *, struct mbuf *);
|
|---|
| 277 |
|
|---|
| 278 | /* ip_input.c */
|
|---|
| 279 | void ip_init (PNATState);
|
|---|
| 280 | void ip_input (PNATState, struct mbuf *);
|
|---|
| 281 | struct mbuf * ip_reass (PNATState, register struct mbuf *);
|
|---|
| 282 | void ip_freef (PNATState, struct ipqhead *, struct ipq_t *);
|
|---|
| 283 | void ip_slowtimo (PNATState);
|
|---|
| 284 | void ip_stripoptions (register struct mbuf *, struct mbuf *);
|
|---|
| 285 |
|
|---|
| 286 | /* ip_output.c */
|
|---|
| 287 | int ip_output (PNATState, struct socket *, struct mbuf *);
|
|---|
| 288 | int ip_output0 (PNATState, struct socket *, struct mbuf *, int urg);
|
|---|
| 289 |
|
|---|
| 290 | /* tcp_input.c */
|
|---|
| 291 | int tcp_reass (PNATState, struct tcpcb *, struct tcphdr *, int *, struct mbuf *);
|
|---|
| 292 | void tcp_input (PNATState, register struct mbuf *, int, struct socket *);
|
|---|
| 293 | void tcp_dooptions (PNATState, struct tcpcb *, u_char *, int, struct tcpiphdr *);
|
|---|
| 294 | void tcp_xmit_timer (PNATState, register struct tcpcb *, int);
|
|---|
| 295 | int tcp_mss (PNATState, register struct tcpcb *, u_int);
|
|---|
| 296 |
|
|---|
| 297 | /* tcp_output.c */
|
|---|
| 298 | int tcp_output (PNATState, register struct tcpcb *);
|
|---|
| 299 | void tcp_setpersist (register struct tcpcb *);
|
|---|
| 300 |
|
|---|
| 301 | /* tcp_subr.c */
|
|---|
| 302 | void tcp_init (PNATState);
|
|---|
| 303 | void tcp_template (struct tcpcb *);
|
|---|
| 304 | void tcp_respond (PNATState, struct tcpcb *, register struct tcpiphdr *, register struct mbuf *, tcp_seq, tcp_seq, int);
|
|---|
| 305 | struct tcpcb * tcp_newtcpcb (PNATState, struct socket *);
|
|---|
| 306 | struct tcpcb * tcp_close (PNATState, register struct tcpcb *);
|
|---|
| 307 | void tcp_drain (void);
|
|---|
| 308 | void tcp_sockclosed (PNATState, struct tcpcb *);
|
|---|
| 309 | int tcp_fconnect (PNATState, struct socket *);
|
|---|
| 310 | void tcp_connect (PNATState, struct socket *);
|
|---|
| 311 | int tcp_attach (PNATState, struct socket *);
|
|---|
| 312 | u_int8_t tcp_tos (struct socket *);
|
|---|
| 313 | int tcp_emu (PNATState, struct socket *, struct mbuf *);
|
|---|
| 314 | int tcp_ctl (PNATState, struct socket *);
|
|---|
| 315 | struct tcpcb *tcp_drop(PNATState, struct tcpcb *tp, int err);
|
|---|
| 316 |
|
|---|
| 317 | /*slirp.c*/
|
|---|
| 318 | void slirp_arp_who_has(PNATState pData, uint32_t dst);
|
|---|
| 319 | int slirp_arp_cache_update(PNATState pData, uint32_t dst, const uint8_t *mac);
|
|---|
| 320 | void slirp_arp_cache_add(PNATState pData, uint32_t ip, const uint8_t *ether);
|
|---|
| 321 | int slirp_arp_cache_update_or_add(PNATState pData, uint32_t dst, const uint8_t *mac);
|
|---|
| 322 | #define MIN_MRU 128
|
|---|
| 323 | #define MAX_MRU 16384
|
|---|
| 324 |
|
|---|
| 325 | #ifndef RT_OS_WINDOWS
|
|---|
| 326 | # define min(x, y) ((x) < (y) ? (x) : (y))
|
|---|
| 327 | # define max(x, y) ((x) > (y) ? (x) : (y))
|
|---|
| 328 | #endif
|
|---|
| 329 |
|
|---|
| 330 | #ifdef RT_OS_WINDOWS
|
|---|
| 331 | # undef errno
|
|---|
| 332 | # if 0 /* debugging */
|
|---|
| 333 | int errno_func(const char *file, int line);
|
|---|
| 334 | # define errno (errno_func(__FILE__, __LINE__))
|
|---|
| 335 | # else
|
|---|
| 336 | # define errno (WSAGetLastError())
|
|---|
| 337 | # endif
|
|---|
| 338 | #endif
|
|---|
| 339 |
|
|---|
| 340 | # define ETH_ALEN 6
|
|---|
| 341 | # define ETH_HLEN 14
|
|---|
| 342 |
|
|---|
| 343 | # define ARPOP_REQUEST 1 /* ARP request */
|
|---|
| 344 | # define ARPOP_REPLY 2 /* ARP reply */
|
|---|
| 345 |
|
|---|
| 346 | struct ethhdr
|
|---|
| 347 | {
|
|---|
| 348 | unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
|
|---|
| 349 | unsigned char h_source[ETH_ALEN]; /* source ether addr */
|
|---|
| 350 | unsigned short h_proto; /* packet type ID field */
|
|---|
| 351 | };
|
|---|
| 352 | AssertCompileSize(struct ethhdr, 14);
|
|---|
| 353 |
|
|---|
| 354 | /*
|
|---|
| 355 | * (vvl) externing of sscanf.
|
|---|
| 356 | */
|
|---|
| 357 | int sscanf(const char *s, const char *format, ...);
|
|---|
| 358 |
|
|---|
| 359 | #if defined(VBOX_SLIRP_ALIAS) || defined(VBOX_SLIRP_BSD)
|
|---|
| 360 |
|
|---|
| 361 | # define ip_next(ip) (void *)((uint8_t *)(ip) + ((ip)->ip_hl << 2))
|
|---|
| 362 | # define udp_next(udp) (void *)((uint8_t *)&((struct udphdr *)(udp))[1] )
|
|---|
| 363 | # define bcopy(src, dst, len) memcpy((dst), (src), (len))
|
|---|
| 364 | # define bcmp(a1, a2, len) memcmp((a1), (a2), (len))
|
|---|
| 365 | # define NO_FW_PUNCH
|
|---|
| 366 |
|
|---|
| 367 | # ifdef alias_addr
|
|---|
| 368 | # ifndef VBOX_SLIRP_BSD
|
|---|
| 369 | # error alias_addr has already defined!!!
|
|---|
| 370 | # else
|
|---|
| 371 | # undef alias_addr
|
|---|
| 372 | # endif
|
|---|
| 373 | # endif
|
|---|
| 374 |
|
|---|
| 375 | # define arc4random() RTRandU32()
|
|---|
| 376 | # undef malloc
|
|---|
| 377 | # undef calloc
|
|---|
| 378 | # undef free
|
|---|
| 379 | # define malloc(x) RTMemAlloc((x))
|
|---|
| 380 | # define calloc(x, n) RTMemAllocZ((x)*(n))
|
|---|
| 381 | # define free(x) RTMemFree((x))
|
|---|
| 382 | # ifndef __unused
|
|---|
| 383 | # define __unused
|
|---|
| 384 | # endif
|
|---|
| 385 |
|
|---|
| 386 | # define strncasecmp RTStrNICmp
|
|---|
| 387 | # define stderr NULL
|
|---|
| 388 | # define stdout NULL
|
|---|
| 389 |
|
|---|
| 390 | # ifdef DEBUG
|
|---|
| 391 | # define LIBALIAS_DEBUG
|
|---|
| 392 | # endif
|
|---|
| 393 |
|
|---|
| 394 | # define fflush(x) do{} while(0)
|
|---|
| 395 | # include "ext.h"
|
|---|
| 396 | #endif /*VBOX_SLIRP_ALIAS*/
|
|---|
| 397 |
|
|---|
| 398 | #ifdef VBOX_WITH_SLIRP_BSD_MBUF
|
|---|
| 399 | /* @todo might be useful to make it configurable,
|
|---|
| 400 | * especially in terms of Intnet behind NAT
|
|---|
| 401 | */
|
|---|
| 402 | # define maxusers 32
|
|---|
| 403 | # define max_protohdr 0
|
|---|
| 404 | /* @todo (r=vvl) for now ignore value,
|
|---|
| 405 | * latter here should be fetching of tuning parameters entered
|
|---|
| 406 | */
|
|---|
| 407 | # define TUNABLE_INT_FETCH(name, pval) do { } while (0)
|
|---|
| 408 | # define SYSCTL_PROC(a0, a1, a2, a3, a4, a5, a6, a7, a8)
|
|---|
| 409 | # define SYSCTL_STRUCT(a0, a1, a2, a3, a4, a5, a6)
|
|---|
| 410 | # define SYSINIT(a0, a1, a2, a3, a4)
|
|---|
| 411 | # define sysctl_handle_int(a0, a1, a2, a3) 0
|
|---|
| 412 | # define EVENTHANDLER_INVOKE(a) do{}while(0)
|
|---|
| 413 | # define EVENTHANDLER_REGISTER(a0, a1, a2, a3) do{}while(0)
|
|---|
| 414 | # define KASSERT AssertMsg
|
|---|
| 415 |
|
|---|
| 416 | struct dummy_req
|
|---|
| 417 | {
|
|---|
| 418 | void *newptr;
|
|---|
| 419 | };
|
|---|
| 420 |
|
|---|
| 421 | #define SYSCTL_HANDLER_ARGS PNATState pData, void *oidp, struct dummy_req *req
|
|---|
| 422 |
|
|---|
| 423 | void mbuf_init(void *);
|
|---|
| 424 | # define cksum(m, len) in_cksum_skip((m), (len), 0)
|
|---|
| 425 | #endif
|
|---|
| 426 |
|
|---|
| 427 | int ftp_alias_load(PNATState);
|
|---|
| 428 | int ftp_alias_unload(PNATState);
|
|---|
| 429 | int nbt_alias_load(PNATState);
|
|---|
| 430 | int nbt_alias_unload(PNATState);
|
|---|
| 431 | int dns_alias_load(PNATState);
|
|---|
| 432 | int dns_alias_unload(PNATState);
|
|---|
| 433 | int slirp_arp_lookup_ip_by_ether(PNATState, const uint8_t *, uint32_t *);
|
|---|
| 434 | int slirp_arp_lookup_ether_by_ip(PNATState, uint32_t, uint8_t *);
|
|---|
| 435 | #endif
|
|---|
| 436 |
|
|---|
