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separate alias_addr (10.0.2.2) from our_addr (Ed Swierk)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1895 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-05-03 19:58:17 +00:00
parent 68cae3d8c1
commit 8dbca8dd8a
7 changed files with 13 additions and 12 deletions
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7
slirp/ip_icmp.c
View File

@ -114,8 +114,7 @@ icmp_input(m, hlen)
case ICMP_ECHO:
icp->icmp_type = ICMP_ECHOREPLY;
ip->ip_len += hlen; /* since ip_input subtracts this */
if (ip->ip_dst.s_addr == our_addr.s_addr ||
(ip->ip_dst.s_addr == (special_addr.s_addr|htonl(CTL_ALIAS))) ) {
if (ip->ip_dst.s_addr == alias_addr.s_addr) {
icmp_reflect(m);
} else {
struct socket *so;
@ -161,7 +160,7 @@ icmp_input(m, hlen)
icmp_error(m, ICMP_UNREACH,ICMP_UNREACH_NET, 0,strerror(errno));
udp_detach(so);
}
} /* if ip->ip_dst.s_addr == our_addr.s_addr */
} /* if ip->ip_dst.s_addr == alias_addr.s_addr */
break;
case ICMP_UNREACH:
/* XXX? report error? close socket? */
@ -311,7 +310,7 @@ icmp_error(msrc, type, code, minsize, message)
ip->ip_ttl = MAXTTL;
ip->ip_p = IPPROTO_ICMP;
ip->ip_dst = ip->ip_src; /* ip adresses */
ip->ip_src = our_addr;
ip->ip_src = alias_addr;
(void ) ip_output((struct socket *)NULL, m);

1
slirp/main.h
View File

@ -34,6 +34,7 @@ extern u_int curtime;
extern fd_set *global_readfds, *global_writefds, *global_xfds;
extern struct in_addr ctl_addr;
extern struct in_addr special_addr;
extern struct in_addr alias_addr;
extern struct in_addr our_addr;
extern struct in_addr loopback_addr;
extern struct in_addr dns_addr;

6
slirp/misc.c
View File

@ -94,10 +94,8 @@ getouraddr()
he = gethostbyname(buff);
if (he)
our_addr = *(struct in_addr *)he->h_addr;
/* If the host doesn't have a useful IP address then use the
guest side address. */
if (our_addr.s_addr == 0 || our_addr.s_addr == loopback_addr.s_addr)
our_addr.s_addr = special_addr.s_addr | htonl(CTL_ALIAS);
if (our_addr.s_addr == 0)
our_addr.s_addr = loopback_addr.s_addr;
}
#if SIZEOF_CHAR_P == 8

3
slirp/slirp.c
View File

@ -9,6 +9,8 @@ struct in_addr loopback_addr;
/* address for slirp virtual addresses */
struct in_addr special_addr;
/* virtual address alias for host */
struct in_addr alias_addr;
const uint8_t special_ethaddr[6] = {
0x52, 0x54, 0x00, 0x12, 0x35, 0x00
@ -154,6 +156,7 @@ void slirp_init(void)
}
inet_aton(CTL_SPECIAL, &special_addr);
alias_addr.s_addr = special_addr.s_addr | htonl(CTL_ALIAS);
getouraddr();
}

2
slirp/socket.c
View File

@ -596,7 +596,7 @@ solisten(port, laddr, lport, flags)
getsockname(s,(struct sockaddr *)&addr,&addrlen);
so->so_fport = addr.sin_port;
if (addr.sin_addr.s_addr == 0 || addr.sin_addr.s_addr == loopback_addr.s_addr)
so->so_faddr = our_addr;
so->so_faddr = alias_addr;
else
so->so_faddr = addr.sin_addr;

4
slirp/tcp_subr.c
View File

@ -504,7 +504,7 @@ tcp_connect(inso)
so->so_faddr = addr.sin_addr;
/* Translate connections from localhost to the real hostname */
if (so->so_faddr.s_addr == 0 || so->so_faddr.s_addr == loopback_addr.s_addr)
so->so_faddr = our_addr;
so->so_faddr = alias_addr;
/* Close the accept() socket, set right state */
if (inso->so_state & SS_FACCEPTONCE) {
@ -840,7 +840,7 @@ tcp_emu(so, m)
if (ns->so_faddr.s_addr == 0 ||
ns->so_faddr.s_addr == loopback_addr.s_addr)
ns->so_faddr = our_addr;
ns->so_faddr = alias_addr;
ns->so_iptos = tcp_tos(ns);
tp = sototcpcb(ns);

2
slirp/udp.c
View File

@ -657,7 +657,7 @@ udp_listen(port, laddr, lport, flags)
getsockname(so->s,(struct sockaddr *)&addr,&addrlen);
so->so_fport = addr.sin_port;
if (addr.sin_addr.s_addr == 0 || addr.sin_addr.s_addr == loopback_addr.s_addr)
so->so_faddr = our_addr;
so->so_faddr = alias_addr;
else
so->so_faddr = addr.sin_addr;