#ifndef SLIRP_H #define SLIRP_H #include "slirp_config.h" #ifdef _WIN32 typedef char *caddr_t; # include <windows.h> # include <winsock2.h> # include <ws2tcpip.h> # include <sys/timeb.h> # include <iphlpapi.h> #else # if !defined(__HAIKU__) # define O_BINARY 0 # endif #endif #ifdef HAVE_SYS_BITYPES_H # include <sys/bitypes.h> #endif #ifndef _WIN32 #include <sys/uio.h> #endif #ifndef _WIN32 #include <netinet/in.h> #include <arpa/inet.h> #endif #ifndef NO_UNIX_SOCKETS #include <sys/un.h> #endif #ifdef HAVE_SYS_SIGNAL_H # include <sys/signal.h> #endif #ifndef _WIN32 #include <sys/socket.h> #endif #if defined(HAVE_SYS_IOCTL_H) # include <sys/ioctl.h> #endif #ifdef HAVE_SYS_SELECT_H # include <sys/select.h> #endif #ifdef HAVE_SYS_WAIT_H # include <sys/wait.h> #endif #ifdef HAVE_SYS_FILIO_H # include <sys/filio.h> #endif /* Avoid conflicting with the libc insque() and remque(), which have different prototypes. */ #define insque slirp_insque #define remque slirp_remque #define quehead slirp_quehead #ifdef HAVE_SYS_STROPTS_H #include <sys/stropts.h> #endif #include "debug.h" #include "qemu/queue.h" #include "qemu/sockets.h" #include "net/eth.h" #include "libslirp.h" #include "ip.h" #include "ip6.h" #include "tcp.h" #include "tcp_timer.h" #include "tcp_var.h" #include "tcpip.h" #include "udp.h" #include "ip_icmp.h" #include "ip6_icmp.h" #include "mbuf.h" #include "sbuf.h" #include "socket.h" #include "if.h" #include "main.h" #include "misc.h" #include "bootp.h" #include "tftp.h" #define ARPOP_REQUEST 1 /* ARP request */ #define ARPOP_REPLY 2 /* ARP reply */ struct ethhdr { unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ unsigned char h_source[ETH_ALEN]; /* source ether addr */ unsigned short h_proto; /* packet type ID field */ }; struct slirp_arphdr { unsigned short ar_hrd; /* format of hardware address */ unsigned short ar_pro; /* format of protocol address */ unsigned char ar_hln; /* length of hardware address */ unsigned char ar_pln; /* length of protocol address */ unsigned short ar_op; /* ARP opcode (command) */ /* * Ethernet looks like this : This bit is variable sized however... */ unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */ uint32_t ar_sip; /* sender IP address */ unsigned char ar_tha[ETH_ALEN]; /* target hardware address */ uint32_t ar_tip; /* target IP address */ } QEMU_PACKED; #define ARP_TABLE_SIZE 16 typedef struct ArpTable { struct slirp_arphdr table[ARP_TABLE_SIZE]; int next_victim; } ArpTable; void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t ethaddr[ETH_ALEN]); bool arp_table_search(Slirp *slirp, uint32_t ip_addr, uint8_t out_ethaddr[ETH_ALEN]); struct ndpentry { unsigned char eth_addr[ETH_ALEN]; /* sender hardware address */ struct in6_addr ip_addr; /* sender IP address */ } QEMU_PACKED; #define NDP_TABLE_SIZE 16 typedef struct NdpTable { struct ndpentry table[NDP_TABLE_SIZE]; int next_victim; } NdpTable; void ndp_table_add(Slirp *slirp, struct in6_addr ip_addr, uint8_t ethaddr[ETH_ALEN]); bool ndp_table_search(Slirp *slirp, struct in6_addr ip_addr, uint8_t out_ethaddr[ETH_ALEN]); struct Slirp { QTAILQ_ENTRY(Slirp) entry; u_int time_fasttimo; u_int last_slowtimo; bool do_slowtimo; bool in_enabled, in6_enabled; /* virtual network configuration */ struct in_addr vnetwork_addr; struct in_addr vnetwork_mask; struct in_addr vhost_addr; struct in6_addr vprefix_addr6; uint8_t vprefix_len; struct in6_addr vhost_addr6; struct in_addr vdhcp_startaddr; struct in_addr vnameserver_addr; struct in6_addr vnameserver_addr6; struct in_addr client_ipaddr; char client_hostname[33]; int restricted; struct ex_list *exec_list; /* mbuf states */ struct quehead m_freelist; struct quehead m_usedlist; int mbuf_alloced; /* if states */ struct quehead if_fastq; /* fast queue (for interactive data) */ struct quehead if_batchq; /* queue for non-interactive data */ bool if_start_busy; /* avoid if_start recursion */ /* ip states */ struct ipq ipq; /* ip reass. queue */ uint16_t ip_id; /* ip packet ctr, for ids */ /* bootp/dhcp states */ BOOTPClient bootp_clients[NB_BOOTP_CLIENTS]; char *bootp_filename; size_t vdnssearch_len; uint8_t *vdnssearch; char *vdomainname; /* tcp states */ struct socket tcb; struct socket *tcp_last_so; tcp_seq tcp_iss; /* tcp initial send seq # */ uint32_t tcp_now; /* for RFC 1323 timestamps */ /* udp states */ struct socket udb; struct socket *udp_last_so; /* icmp states */ struct socket icmp; struct socket *icmp_last_so; /* tftp states */ char *tftp_prefix; struct tftp_session tftp_sessions[TFTP_SESSIONS_MAX]; char *tftp_server_name; ArpTable arp_table; NdpTable ndp_table; GRand *grand; QEMUTimer *ra_timer; void *opaque; }; extern Slirp *slirp_instance; #ifndef NULL #define NULL (void *)0 #endif void if_start(Slirp *); /* ncsi.c */ void ncsi_input(Slirp *slirp, const uint8_t *pkt, int pkt_len); #ifndef _WIN32 #include <netdb.h> #endif #define SO_OPTIONS DO_KEEPALIVE #define TCP_MAXIDLE (TCPTV_KEEPCNT * TCPTV_KEEPINTVL) /* dnssearch.c */ int translate_dnssearch(Slirp *s, const char ** names); /* cksum.c */ int cksum(struct mbuf *m, int len); int ip6_cksum(struct mbuf *m); /* if.c */ void if_init(Slirp *); void if_output(struct socket *, struct mbuf *); /* ip_input.c */ void ip_init(Slirp *); void ip_cleanup(Slirp *); void ip_input(struct mbuf *); void ip_slowtimo(Slirp *); void ip_stripoptions(register struct mbuf *, struct mbuf *); /* ip_output.c */ int ip_output(struct socket *, struct mbuf *); /* ip6_input.c */ void ip6_init(Slirp *); void ip6_cleanup(Slirp *); void ip6_input(struct mbuf *); /* ip6_output */ int ip6_output(struct socket *, struct mbuf *, int fast); /* tcp_input.c */ void tcp_input(register struct mbuf *, int, struct socket *, unsigned short af); int tcp_mss(register struct tcpcb *, u_int); /* tcp_output.c */ int tcp_output(register struct tcpcb *); void tcp_setpersist(register struct tcpcb *); /* tcp_subr.c */ void tcp_init(Slirp *); void tcp_cleanup(Slirp *); void tcp_template(struct tcpcb *); void tcp_respond(struct tcpcb *, register struct tcpiphdr *, register struct mbuf *, tcp_seq, tcp_seq, int, unsigned short); struct tcpcb * tcp_newtcpcb(struct socket *); struct tcpcb * tcp_close(register struct tcpcb *); void tcp_sockclosed(struct tcpcb *); int tcp_fconnect(struct socket *, unsigned short af); void tcp_connect(struct socket *); int tcp_attach(struct socket *); uint8_t tcp_tos(struct socket *); int tcp_emu(struct socket *, struct mbuf *); int tcp_ctl(struct socket *); struct tcpcb *tcp_drop(struct tcpcb *tp, int err); #endif