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bellardf0cbd3e2004-04-22 00:10:48 +00001#ifndef __COMMON_H__
2#define __COMMON_H__
3
bellard5fa0ab82007-11-07 19:27:18 +00004#include "config-host.h"
bellardf0cbd3e2004-04-22 00:10:48 +00005#include "slirp_config.h"
6
bellard379ff532004-07-12 22:33:07 +00007#ifdef _WIN32
8# include <inttypes.h>
9
bellard379ff532004-07-12 22:33:07 +000010typedef char *caddr_t;
11
bellard34444132005-01-10 23:19:34 +000012# include <windows.h>
bellard379ff532004-07-12 22:33:07 +000013# include <winsock2.h>
balrog116842e2008-05-17 18:07:00 +000014# include <ws2tcpip.h>
bellard379ff532004-07-12 22:33:07 +000015# include <sys/timeb.h>
16# include <iphlpapi.h>
17
bellard379ff532004-07-12 22:33:07 +000018#else
19# define ioctlsocket ioctl
20# define closesocket(s) close(s)
Andreas Färber4a2b39d2010-09-20 00:50:48 +020021# if !defined(__HAIKU__)
22# define O_BINARY 0
23# endif
bellard379ff532004-07-12 22:33:07 +000024#endif
25
bellardf0cbd3e2004-04-22 00:10:48 +000026#include <sys/types.h>
27#ifdef HAVE_SYS_BITYPES_H
28# include <sys/bitypes.h>
29#endif
30
bellard170c6f82004-06-03 12:53:17 +000031#include <sys/time.h>
32
bellardf0cbd3e2004-04-22 00:10:48 +000033#ifdef HAVE_UNISTD_H
34# include <unistd.h>
35#endif
36
37#ifdef HAVE_STDLIB_H
38# include <stdlib.h>
39#endif
40
41#include <stdio.h>
42#include <errno.h>
43
44#ifndef HAVE_MEMMOVE
45#define memmove(x, y, z) bcopy(y, x, z)
46#endif
47
48#if TIME_WITH_SYS_TIME
49# include <sys/time.h>
50# include <time.h>
51#else
blueswir1eb38c522008-09-06 17:47:39 +000052# ifdef HAVE_SYS_TIME_H
bellardf0cbd3e2004-04-22 00:10:48 +000053# include <sys/time.h>
54# else
55# include <time.h>
56# endif
57#endif
58
59#ifdef HAVE_STRING_H
60# include <string.h>
61#else
62# include <strings.h>
63#endif
64
bellard379ff532004-07-12 22:33:07 +000065#ifndef _WIN32
bellardf0cbd3e2004-04-22 00:10:48 +000066#include <sys/uio.h>
bellard379ff532004-07-12 22:33:07 +000067#endif
bellardf0cbd3e2004-04-22 00:10:48 +000068
bellard379ff532004-07-12 22:33:07 +000069#ifndef _WIN32
bellardf0cbd3e2004-04-22 00:10:48 +000070#include <netinet/in.h>
71#include <arpa/inet.h>
bellard379ff532004-07-12 22:33:07 +000072#endif
bellardf0cbd3e2004-04-22 00:10:48 +000073
bellardf0cbd3e2004-04-22 00:10:48 +000074/* Systems lacking strdup() definition in <string.h>. */
75#if defined(ultrix)
Blue Swirl6cb9c6d2009-07-01 19:11:17 +000076char *strdup(const char *);
bellardf0cbd3e2004-04-22 00:10:48 +000077#endif
78
79/* Systems lacking malloc() definition in <stdlib.h>. */
80#if defined(ultrix) || defined(hcx)
Blue Swirl6cb9c6d2009-07-01 19:11:17 +000081void *malloc(size_t arg);
82void free(void *ptr);
bellardf0cbd3e2004-04-22 00:10:48 +000083#endif
84
bellardf0cbd3e2004-04-22 00:10:48 +000085#include <fcntl.h>
86#ifndef NO_UNIX_SOCKETS
87#include <sys/un.h>
88#endif
89#include <signal.h>
90#ifdef HAVE_SYS_SIGNAL_H
91# include <sys/signal.h>
92#endif
bellard379ff532004-07-12 22:33:07 +000093#ifndef _WIN32
bellardf0cbd3e2004-04-22 00:10:48 +000094#include <sys/socket.h>
bellard379ff532004-07-12 22:33:07 +000095#endif
bellardf0cbd3e2004-04-22 00:10:48 +000096
bellardee2654a2004-07-12 21:11:45 +000097#if defined(HAVE_SYS_IOCTL_H)
bellardf0cbd3e2004-04-22 00:10:48 +000098# include <sys/ioctl.h>
bellardf0cbd3e2004-04-22 00:10:48 +000099#endif
100
bellardf0cbd3e2004-04-22 00:10:48 +0000101#ifdef HAVE_SYS_SELECT_H
102# include <sys/select.h>
103#endif
104
105#ifdef HAVE_SYS_WAIT_H
106# include <sys/wait.h>
107#endif
108
109#ifdef HAVE_SYS_FILIO_H
110# include <sys/filio.h>
111#endif
112
113#ifdef USE_PPP
114#include <ppp/slirppp.h>
115#endif
116
117#ifdef __STDC__
118#include <stdarg.h>
119#else
120#include <varargs.h>
121#endif
122
123#include <sys/stat.h>
124
125/* Avoid conflicting with the libc insque() and remque(), which
126 have different prototypes. */
127#define insque slirp_insque
128#define remque slirp_remque
129
130#ifdef HAVE_SYS_STROPTS_H
131#include <sys/stropts.h>
132#endif
133
134#include "debug.h"
135
Paolo Bonzini1de7afc2012-12-17 18:20:00 +0100136#include "qemu/queue.h"
137#include "qemu/sockets.h"
Jan Kiszkab1c99fc2009-06-24 14:42:31 +0200138
Jan Kiszka460fec62009-06-24 14:42:31 +0200139#include "libslirp.h"
bellardf0cbd3e2004-04-22 00:10:48 +0000140#include "ip.h"
141#include "tcp.h"
142#include "tcp_timer.h"
143#include "tcp_var.h"
144#include "tcpip.h"
145#include "udp.h"
Jan Kiszkae6d43cf2011-07-20 12:20:18 +0200146#include "ip_icmp.h"
bellardf0cbd3e2004-04-22 00:10:48 +0000147#include "mbuf.h"
148#include "sbuf.h"
149#include "socket.h"
150#include "if.h"
151#include "main.h"
152#include "misc.h"
bellardf0cbd3e2004-04-22 00:10:48 +0000153#ifdef USE_PPP
154#include "ppp/pppd.h"
155#include "ppp/ppp.h"
156#endif
157
158#include "bootp.h"
bellardc7f74642004-08-24 21:57:12 +0000159#include "tftp.h"
Jan Kiszka460fec62009-06-24 14:42:31 +0200160
Fabien Chouteau1a0ca1e2011-08-03 12:52:54 +0200161#define ETH_ALEN 6
162#define ETH_HLEN 14
163
164#define ETH_P_IP 0x0800 /* Internet Protocol packet */
165#define ETH_P_ARP 0x0806 /* Address Resolution packet */
166
167#define ARPOP_REQUEST 1 /* ARP request */
168#define ARPOP_REPLY 2 /* ARP reply */
169
170struct ethhdr {
171 unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
172 unsigned char h_source[ETH_ALEN]; /* source ether addr */
173 unsigned short h_proto; /* packet type ID field */
174};
175
176struct arphdr {
177 unsigned short ar_hrd; /* format of hardware address */
178 unsigned short ar_pro; /* format of protocol address */
179 unsigned char ar_hln; /* length of hardware address */
180 unsigned char ar_pln; /* length of protocol address */
181 unsigned short ar_op; /* ARP opcode (command) */
182
183 /*
184 * Ethernet looks like this : This bit is variable sized however...
185 */
186 unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */
187 uint32_t ar_sip; /* sender IP address */
188 unsigned char ar_tha[ETH_ALEN]; /* target hardware address */
189 uint32_t ar_tip; /* target IP address */
Stefan Weil541dc0d2011-08-31 12:38:01 +0200190} QEMU_PACKED;
Fabien Chouteau1a0ca1e2011-08-03 12:52:54 +0200191
192#define ARP_TABLE_SIZE 16
193
194typedef struct ArpTable {
195 struct arphdr table[ARP_TABLE_SIZE];
196 int next_victim;
197} ArpTable;
198
Jan Kiszka5a371a22011-08-05 12:51:11 +0200199void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t ethaddr[ETH_ALEN]);
Fabien Chouteau1a0ca1e2011-08-03 12:52:54 +0200200
Jan Kiszka5a371a22011-08-05 12:51:11 +0200201bool arp_table_search(Slirp *slirp, uint32_t ip_addr,
Fabien Chouteau1a0ca1e2011-08-03 12:52:54 +0200202 uint8_t out_ethaddr[ETH_ALEN]);
Kevin Wolf40ff6d72009-12-02 12:24:42 +0100203
Jan Kiszka460fec62009-06-24 14:42:31 +0200204struct Slirp {
Blue Swirl72cf2d42009-09-12 07:36:22 +0000205 QTAILQ_ENTRY(Slirp) entry;
Liu Ping Fanfe0ff432013-08-25 10:01:19 +0800206 u_int time_fasttimo;
207 u_int last_slowtimo;
208 bool do_slowtimo;
Jan Kiszkab1c99fc2009-06-24 14:42:31 +0200209
Jan Kiszka460fec62009-06-24 14:42:31 +0200210 /* virtual network configuration */
211 struct in_addr vnetwork_addr;
212 struct in_addr vnetwork_mask;
213 struct in_addr vhost_addr;
214 struct in_addr vdhcp_startaddr;
215 struct in_addr vnameserver_addr;
216
Jan Kiszka460fec62009-06-24 14:42:31 +0200217 struct in_addr client_ipaddr;
218 char client_hostname[33];
219
220 int restricted;
Jan Kiszka460fec62009-06-24 14:42:31 +0200221 struct ex_list *exec_list;
222
223 /* mbuf states */
224 struct mbuf m_freelist, m_usedlist;
225 int mbuf_alloced;
226
227 /* if states */
Jan Kiszka460fec62009-06-24 14:42:31 +0200228 struct mbuf if_fastq; /* fast queue (for interactive data) */
229 struct mbuf if_batchq; /* queue for non-interactive data */
230 struct mbuf *next_m; /* pointer to next mbuf to output */
Jan Kiszka953e7f52012-03-05 19:50:39 +0100231 bool if_start_busy; /* avoid if_start recursion */
Jan Kiszka460fec62009-06-24 14:42:31 +0200232
233 /* ip states */
234 struct ipq ipq; /* ip reass. queue */
Stefan Weilb6dce922010-07-22 22:15:23 +0200235 uint16_t ip_id; /* ip packet ctr, for ids */
Jan Kiszka460fec62009-06-24 14:42:31 +0200236
237 /* bootp/dhcp states */
238 BOOTPClient bootp_clients[NB_BOOTP_CLIENTS];
239 char *bootp_filename;
Klaus Stengel63d29602012-10-27 19:53:39 +0200240 size_t vdnssearch_len;
241 uint8_t *vdnssearch;
Jan Kiszka460fec62009-06-24 14:42:31 +0200242
243 /* tcp states */
244 struct socket tcb;
245 struct socket *tcp_last_so;
246 tcp_seq tcp_iss; /* tcp initial send seq # */
Stefan Weilb6dce922010-07-22 22:15:23 +0200247 uint32_t tcp_now; /* for RFC 1323 timestamps */
Jan Kiszka460fec62009-06-24 14:42:31 +0200248
249 /* udp states */
250 struct socket udb;
251 struct socket *udp_last_so;
252
Jan Kiszkae6d43cf2011-07-20 12:20:18 +0200253 /* icmp states */
254 struct socket icmp;
255 struct socket *icmp_last_so;
256
Jan Kiszka460fec62009-06-24 14:42:31 +0200257 /* tftp states */
258 char *tftp_prefix;
259 struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX];
260
Fabien Chouteau1a0ca1e2011-08-03 12:52:54 +0200261 ArpTable arp_table;
262
Jan Kiszka9f8bd042009-06-24 14:42:31 +0200263 void *opaque;
Jan Kiszka460fec62009-06-24 14:42:31 +0200264};
265
Jan Kiszkaad0d8c42009-06-24 14:42:31 +0200266extern Slirp *slirp_instance;
bellardf0cbd3e2004-04-22 00:10:48 +0000267
bellardf0cbd3e2004-04-22 00:10:48 +0000268#ifndef NULL
269#define NULL (void *)0
270#endif
271
272#ifndef FULL_BOLT
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000273void if_start(Slirp *);
bellardf0cbd3e2004-04-22 00:10:48 +0000274#else
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000275void if_start(struct ttys *);
bellardf0cbd3e2004-04-22 00:10:48 +0000276#endif
277
bellardf0cbd3e2004-04-22 00:10:48 +0000278#ifndef HAVE_STRERROR
Blue Swirl64b85a82011-01-23 16:21:20 +0000279 char *strerror(int error);
bellardf0cbd3e2004-04-22 00:10:48 +0000280#endif
281
282#ifndef HAVE_INDEX
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000283 char *index(const char *, int);
bellardf0cbd3e2004-04-22 00:10:48 +0000284#endif
285
286#ifndef HAVE_GETHOSTID
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000287 long gethostid(void);
bellardf0cbd3e2004-04-22 00:10:48 +0000288#endif
289
bellard379ff532004-07-12 22:33:07 +0000290#ifndef _WIN32
bellardf0cbd3e2004-04-22 00:10:48 +0000291#include <netdb.h>
bellard379ff532004-07-12 22:33:07 +0000292#endif
bellardf0cbd3e2004-04-22 00:10:48 +0000293
294#define DEFAULT_BAUD 115200
295
blueswir19634d902007-10-26 19:01:16 +0000296#define SO_OPTIONS DO_KEEPALIVE
297#define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL)
298
Klaus Stengel63d29602012-10-27 19:53:39 +0200299/* dnssearch.c */
300int translate_dnssearch(Slirp *s, const char ** names);
301
bellardf0cbd3e2004-04-22 00:10:48 +0000302/* cksum.c */
303int cksum(struct mbuf *m, int len);
304
305/* if.c */
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000306void if_init(Slirp *);
307void if_output(struct socket *, struct mbuf *);
bellardf0cbd3e2004-04-22 00:10:48 +0000308
309/* ip_input.c */
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000310void ip_init(Slirp *);
Jan Kiszkaa68adc22012-02-29 19:14:23 +0100311void ip_cleanup(Slirp *);
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000312void ip_input(struct mbuf *);
313void ip_slowtimo(Slirp *);
314void ip_stripoptions(register struct mbuf *, struct mbuf *);
bellardf0cbd3e2004-04-22 00:10:48 +0000315
316/* ip_output.c */
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000317int ip_output(struct socket *, struct mbuf *);
bellardf0cbd3e2004-04-22 00:10:48 +0000318
319/* tcp_input.c */
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000320void tcp_input(register struct mbuf *, int, struct socket *);
321int tcp_mss(register struct tcpcb *, u_int);
bellardf0cbd3e2004-04-22 00:10:48 +0000322
323/* tcp_output.c */
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000324int tcp_output(register struct tcpcb *);
325void tcp_setpersist(register struct tcpcb *);
bellardf0cbd3e2004-04-22 00:10:48 +0000326
327/* tcp_subr.c */
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000328void tcp_init(Slirp *);
Jan Kiszkaa68adc22012-02-29 19:14:23 +0100329void tcp_cleanup(Slirp *);
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000330void tcp_template(struct tcpcb *);
331void tcp_respond(struct tcpcb *, register struct tcpiphdr *, register struct mbuf *, tcp_seq, tcp_seq, int);
332struct tcpcb * tcp_newtcpcb(struct socket *);
333struct tcpcb * tcp_close(register struct tcpcb *);
334void tcp_sockclosed(struct tcpcb *);
335int tcp_fconnect(struct socket *);
336void tcp_connect(struct socket *);
337int tcp_attach(struct socket *);
Stefan Weilb6dce922010-07-22 22:15:23 +0200338uint8_t tcp_tos(struct socket *);
Blue Swirl6cb9c6d2009-07-01 19:11:17 +0000339int tcp_emu(struct socket *, struct mbuf *);
340int tcp_ctl(struct socket *);
bellard9fafc9e2004-04-26 19:50:09 +0000341struct tcpcb *tcp_drop(struct tcpcb *tp, int err);
bellardf0cbd3e2004-04-22 00:10:48 +0000342
343#ifdef USE_PPP
344#define MIN_MRU MINMRU
345#define MAX_MRU MAXMRU
346#else
347#define MIN_MRU 128
348#define MAX_MRU 16384
349#endif
350
bellard379ff532004-07-12 22:33:07 +0000351#ifndef _WIN32
352#define min(x,y) ((x) < (y) ? (x) : (y))
353#define max(x,y) ((x) > (y) ? (x) : (y))
354#endif
355
bellard02d2c542004-10-07 23:27:35 +0000356#ifdef _WIN32
bellardef6ff6b2004-11-14 18:58:04 +0000357#undef errno
bellard02d2c542004-10-07 23:27:35 +0000358#define errno (WSAGetLastError())
359#endif
360
bellardf0cbd3e2004-04-22 00:10:48 +0000361#endif