1 files changed, 29 insertions, 17 deletions

diff --git a/emu/port/ipif-posix.c b/emu/port/ipif-posix.c
index 77b5f85d..23e4bf95 100644
--- a/emu/port/ipif-posix.c
+++ b/emu/port/ipif-posix.c
@@ -10,6 +10,7 @@
 #include	<net/if_arp.h>
 #include	<netinet/in.h>
 #include	<netinet/tcp.h>
+#include	<arpa/inet.h>
 #include	<netdb.h>
 #include	<sys/ioctl.h>
 #undef ulong
@@ -21,6 +22,15 @@
 #include        "ip.h"
 #include        "error.h"
 
+char Enotv4[] = "address not IPv4";
+
+static void
+ipw6(uchar *a, ulong w)
+{
+	memmove(a, v4prefix, IPv4off);
+	memmove(a+IPv4off, &w, IPv4addrlen);
+}
+
 int
 so_socket(int type)
 {
@@ -42,10 +52,10 @@ so_socket(int type)
 		oserror();
 	if(type == SOCK_DGRAM){
 		one = 1;
-		setsockopt(fd, SOL_SOCKET, SO_BROADCAST, (char*)&one, sizeof (one));
+		setsockopt(fd, SOL_SOCKET, SO_BROADCAST, (char*)&one, sizeof(one));
 	}else{
 		one = 1;
-		setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&one, sizeof(one));
+		setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char*)&one, sizeof(one));
 	}
 	return fd;
 }
@@ -58,7 +68,6 @@ so_send(int sock, void *va, int len, void *hdr, int hdrlen)
 	struct sockaddr_in *sin;
 	char *h = hdr;
 
-
 	osenter();
 	if(hdr == 0)
 		r = write(sock, va, len);
@@ -94,7 +103,6 @@ so_recv(int sock, void *va, int len, void *hdr, int hdrlen)
 	struct sockaddr_in *sin;
 	char h[Udphdrlen];
 
-
 	osenter();
 	if(hdr == 0)
 		r = read(sock, va, len);
@@ -106,7 +114,7 @@ so_recv(int sock, void *va, int len, void *hdr, int hdrlen)
 			memset(h, 0, sizeof(h));
 			switch(hdrlen){
 			case OUdphdrlenv4:
-				memmove(h, &sin->sin_addr, 4);
+				memmove(h, &sin->sin_addr, IPv4addrlen);
 				memmove(h+2*IPv4addrlen, &sin->sin_port, 2);
 				break;
 			case OUdphdrlen:
@@ -120,6 +128,7 @@ so_recv(int sock, void *va, int len, void *hdr, int hdrlen)
 			}
 
 			/* alas there's no way to get the local addr/port correctly.  Pretend. */
+			memset(&sa, 0, sizeof(sa));
 			getsockname(sock, &sa, &l);
 			switch(hdrlen){
 			case OUdphdrlenv4:
@@ -150,17 +159,20 @@ so_close(int sock)
 }
 
 void
-so_connect(int fd, unsigned long raddr, unsigned short rport)
+so_connect(int fd, uchar *raddr, ushort rport)
 {
 	int r;
 	struct sockaddr sa;
 	struct sockaddr_in *sin;
 
+	if(!isv4(raddr))
+		error(Enotv4);
+
 	memset(&sa, 0, sizeof(sa));
 	sin = (struct sockaddr_in*)&sa;
 	sin->sin_family = AF_INET;
 	hnputs(&sin->sin_port, rport);
-	hnputl(&sin->sin_addr.s_addr, raddr);
+	memmove(&sin->sin_addr.s_addr, raddr+IPv4off, IPv4addrlen);
 
 	osenter();
 	r = connect(fd, &sa, sizeof(sa));
@@ -170,7 +182,7 @@ so_connect(int fd, unsigned long raddr, unsigned short rport)
 }
 
 void
-so_getsockname(int fd, unsigned long *laddr, unsigned short *lport)
+so_getsockname(int fd, uchar *laddr, ushort *lport)
 {
 	int len;
 	struct sockaddr sa;
@@ -182,9 +194,9 @@ so_getsockname(int fd, unsigned long *laddr, unsigned short *lport)
 
 	sin = (struct sockaddr_in*)&sa;
 	if(sin->sin_family != AF_INET || len != sizeof(*sin))
-		error("not AF_INET");
+		error(Enotv4);
 
-	*laddr = nhgetl(&sin->sin_addr.s_addr);
+	ipw6(laddr, sin->sin_addr.s_addr);
 	*lport = nhgets(&sin->sin_port);
 }
 
@@ -201,7 +213,7 @@ so_listen(int fd)
 }
 
 int
-so_accept(int fd, unsigned long *raddr, unsigned short *rport)
+so_accept(int fd, uchar *raddr, ushort *rport)
 {
 	int nfd, len;
 	struct sockaddr sa;
@@ -217,15 +229,15 @@ so_accept(int fd, unsigned long *raddr, unsigned short *rport)
 		oserror();
 
 	if(sin->sin_family != AF_INET || len != sizeof(*sin))
-		error("not AF_INET");
+		error(Enotv4);
 
-	*raddr = nhgetl(&sin->sin_addr.s_addr);
+	ipw6(raddr, sin->sin_addr.s_addr);
 	*rport = nhgets(&sin->sin_port);
 	return nfd;
 }
 
 void
-so_bind(int fd, int su, unsigned long addr, unsigned short port)
+so_bind(int fd, int su, uchar *addr, ushort port)
 {
 	int i, one;
 	struct sockaddr sa;
@@ -243,7 +255,7 @@ so_bind(int fd, int su, unsigned long addr, unsigned short port)
 		for(i = 600; i < 1024; i++) {
 			memset(&sa, 0, sizeof(sa));
 			sin->sin_family = AF_INET;
-			hnputl(&sin->sin_addr.s_addr, addr);
+			memmove(&sin->sin_addr.s_addr, addr+IPv4off, IPv4addrlen);
 			hnputs(&sin->sin_port, i);
 
 			if(bind(fd, &sa, sizeof(sa)) >= 0)	
@@ -254,7 +266,7 @@ so_bind(int fd, int su, unsigned long addr, unsigned short port)
 
 	memset(&sa, 0, sizeof(sa));
 	sin->sin_family = AF_INET;
-	hnputl(&sin->sin_addr.s_addr, addr);
+	memmove(&sin->sin_addr.s_addr, addr+IPv4off, IPv4addrlen);
 	hnputs(&sin->sin_port, port);
 
 	if(bind(fd, &sa, sizeof(sa)) < 0)
@@ -265,7 +277,7 @@ int
 so_gethostbyname(char *host, char**hostv, int n)
 {
 	int i;
-	unsigned char buf[32], *p;
+	uchar buf[32], *p;
 	struct hostent *hp;
 
 	hp = gethostbyname(host);