int
main()
{
struct sockaddr_in client;
struct sockaddr_in server;
char msg[500];
char buf[65535];
socklen_t clen;
ssize_t nn;
ssize_t off;
int size = 1024 * 1024;
int s;
rump_init();
rump_pub_lwproc_rfork(0);
if (rump_pub_netconfig_ifcreate(IFNAME) != 0)
errx(1, "failed to create " IFNAME);
if (rump_pub_netconfig_ipv4_ifaddr(IFNAME,
IF_ADDR, "255.255.255.0") != 0)
errx(1, "failed to create " IFNAME);
//rump_pub_netconfig_dhcp_ipv4_oneshot(IFNAME);
s = rump_sys_socket(PF_INET, SOCK_DGRAM, 0);
if (s == -1)
err(1,"socket");
memset(&server, 0, sizeof(server));
server.sin_family = AF_INET;
server.sin_port = htons(ECHOSERVER_RX_PORT);
server.sin_addr.s_addr = inet_addr(IF_ADDR);
rump_sys_setsockopt(s, SOL_SOCKET, SO_RCVBUF, &size, sizeof(size));
if (rump_sys_bind(s, (struct sockaddr *)&server, sizeof(server)) == -1)
err(1, "binded");
printf("socket binded\r\n");
printf("Waiting connection on port = %d\r\n",ECHOSERVER_RX_PORT);
memset(&client, 0, sizeof(client));
while(1)
{
memset(msg,0,sizeof(msg));
clen = sizeof(client);
nn = rump_sys_recvfrom(s,msg,sizeof(msg),0,(struct sockaddr *)&client,&clen);
if (nn<0) {
perror("Error receiving data");
} else {
rump_sys_sendto(s,buf,nn,0,(struct sockaddr *)&client,clen);
}
}
}
static void
config_router(void)
{
int rv;
/* configure networking using the portable interfaces */
NOFAIL_RV(rump_pub_netconfig_ifcreate("shmif0"));
NOFAIL_RV(rump_pub_netconfig_ifsetlinkstr("shmif0", "busmem1"));
NOFAIL_RV(rump_pub_netconfig_ipv4_ifaddr("shmif0",
"1.0.0.2", "255.255.255.0"));
NOFAIL_RV(rump_pub_netconfig_ifcreate("shmif1"));
NOFAIL_RV(rump_pub_netconfig_ifsetlinkstr("shmif1", "busmem2"));
NOFAIL_RV(rump_pub_netconfig_ipv4_ifaddr("shmif1",
"1.0.1.2", "255.255.255.0"));
}
int
main()
{
struct sockaddr_in sin;
char buf[65535];
struct hostent *hp;
ssize_t nn;
ssize_t off;
int s, e;
hp = gethostbyname(DESTHOST);
if (!hp || hp->h_addrtype != AF_INET)
errx(1, "failed to resolve \"%s\"", DESTHOST);
rump_init();
#ifndef USE_SOCKIN
if ((e = rump_pub_netconfig_ifcreate("virt0")) != 0)
die(e, "create virt0");
if ((e = rump_pub_netconfig_dhcp_ipv4_oneshot("virt0")) != 0)
die(e, "dhcp address");
#endif
s = rump_sys_socket(PF_INET, SOCK_STREAM, 0);
if (s == -1)
die(errno, "socket");
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
#if 0
sin.sin_len = sizeof(sin);
#endif
sin.sin_port = htons(80);
memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr));
if (rump_sys_connect(s, (struct sockaddr *)&sin, sizeof(sin)) == -1)
die(errno, "connect");
printf("connected\n");
#define WANTHTML "GET / HTTP/1.1\nHost: www.netbsd.org\n\n"
nn = rump_sys_write(s, WANTHTML, sizeof(WANTHTML)-1);
printf("write rv %zd\n", nn);
for (;;) {
nn = rump_sys_read(s, buf, sizeof(buf)-1);
if (nn == -1)
die(errno, "read failed");
if (nn == 0)
break;
buf[nn] = '\0';
printf("%s", buf);
}
rump_sys_close(s);
die(0, NULL);
}
static void
config_client6(void)
{
/* configure networking using the portable interfaces */
NOFAIL_RV(rump_pub_netconfig_ifcreate("shmif0"));
NOFAIL_RV(rump_pub_netconfig_ifsetlinkstr("shmif0", "busmem"));
NOFAIL_RV(rump_pub_netconfig_ipv6_ifaddr("shmif0", "2001::2", 64));
}
static void
config_server(void)
{
/* configure interface using the portable interfaces */
NOFAIL_RV(rump_pub_netconfig_ifcreate("shmif0"));
NOFAIL_RV(rump_pub_netconfig_ifsetlinkstr("shmif0", "busmem"));
NOFAIL_RV(rump_pub_netconfig_ipv4_ifaddr("shmif0",
"1.0.0.1", "255.255.255.0"));
}
static void
config_router6(void)
{
extern int rumpns_ip6_forwarding;
int rv;
/* configure networking using the portable interfaces */
NOFAIL_RV(rump_pub_netconfig_ifcreate("shmif0"));
NOFAIL_RV(rump_pub_netconfig_ifsetlinkstr("shmif0", "busmem1"));
NOFAIL_RV(rump_pub_netconfig_ipv6_ifaddr("shmif0", "2001::2", 64));
NOFAIL_RV(rump_pub_netconfig_ifup("shmif0"));
NOFAIL_RV(rump_pub_netconfig_ifcreate("shmif1"));
NOFAIL_RV(rump_pub_netconfig_ifsetlinkstr("shmif1", "busmem2"));
NOFAIL_RV(rump_pub_netconfig_ipv6_ifaddr("shmif1", "2002::2", 64));
NOFAIL_RV(rump_pub_netconfig_ifup("shmif1"));
/* turn ipv6 forwarding on the easy way */
rumpns_ip6_forwarding = 1;
}
static void
config_server6(void)
{
int rv;
/* configure networking using the portable interfaces */
NOFAIL_RV(rump_pub_netconfig_ifcreate("shmif0"));
NOFAIL_RV(rump_pub_netconfig_ifsetlinkstr("shmif0", "busmem1"));
NOFAIL_RV(rump_pub_netconfig_ipv6_ifaddr("shmif0", "2001::1", 64));
NOFAIL_RV(rump_pub_netconfig_ipv6_gw("2001::2"));
}
static int
handle_net(jsmntok_t *t, int left, char *data)
{
const char *ifname, *cloner, *type, *method;
const char *addr, *mask, *gw;
jsmntok_t *key, *value;
int i, objsize;
int rv;
static int configured;
T_CHECKTYPE(t, data, JSMN_OBJECT, __func__);
/* we expect straight key-value pairs (at least for now) */
objsize = t->size;
if (left < 2*objsize + 1) {
return -1;
}
t++;
if (configured) {
errx(1, "currently only 1 \"net\" configuration is supported");
}
ifname = cloner = type = method = NULL;
addr = mask = gw = NULL;
for (i = 0; i < objsize; i++, t+=2) {
const char *valuestr;
key = t;
value = t+1;
T_CHECKTYPE(key, data, JSMN_STRING, __func__);
T_CHECKSIZE(key, data, 1, __func__);
T_CHECKTYPE(value, data, JSMN_STRING, __func__);
T_CHECKSIZE(value, data, 0, __func__);
/*
* XXX: this mimics the structure from Xen. We probably
* want a richer structure, but let's be happy to not
* diverge for now.
*/
valuestr = token2cstr(value, data);
if (T_STREQ(key, data, "if")) {
ifname = valuestr;
} else if (T_STREQ(key, data, "cloner")) {
cloner = valuestr;
} else if (T_STREQ(key, data, "type")) {
type = valuestr;
} else if (T_STREQ(key, data, "method")) {
method = valuestr;
} else if (T_STREQ(key, data, "addr")) {
addr = valuestr;
} else if (T_STREQ(key, data, "mask")) {
/* XXX: we could also pass mask as a number ... */
mask = valuestr;
} else if (T_STREQ(key, data, "gw")) {
gw = valuestr;
} else {
errx(1, "unexpected key \"%.*s\" in \"%s\"",
T_PRINTFSTAR(key, data), __func__);
}
}
if (!ifname || !type || !method) {
errx(1, "net cfg missing vital data, not configuring");
}
if (cloner) {
if ((rv = rump_pub_netconfig_ifcreate(ifname)) != 0) {
errx(1, "rumprun_config: ifcreate %s failed: %d",
ifname, rv);
}
}
if (strcmp(type, "inet") == 0) {
config_ipv4(ifname, method, addr, mask, gw);
} else if (strcmp(type, "inet6") == 0) {
config_ipv6(ifname, method, addr, mask, gw);
} else {
errx(1, "network type \"%s\" not supported", type);
}
return 2*objsize + 1;
}
void
__franken_fdinit_create()
{
int fd, ret, flags;
int root = 0;
char key[16], rkey[16], num[16];
int n_reg = 0, n_block = 0;
struct ufs_args ufs;
if (__franken_fd[0].valid) {
mkkey(key, num, "/dev/vfile", n_reg++, 0);
rump_pub_etfs_register(key, num, RUMP_ETFS_REG);
fd = rump___sysimpl_open(key, O_RDONLY);
if (fd != -1) {
rump___sysimpl_dup2(fd, 0);
rump___sysimpl_close(fd);
}
}
if (__franken_fd[1].valid) {
mkkey(key, num, "/dev/vfile", n_reg++, 1);
rump_pub_etfs_register(key, num, RUMP_ETFS_REG);
fd = rump___sysimpl_open(key, O_WRONLY);
if (fd != -1) {
rump___sysimpl_dup2(fd, 1);
rump___sysimpl_close(fd);
}
}
if (__franken_fd[2].valid) {
mkkey(key, num, "/dev/vfile", n_reg++, 2);
rump_pub_etfs_register(key, num, RUMP_ETFS_REG);
fd = rump___sysimpl_open(key, O_WRONLY);
if (fd != -1) {
rump___sysimpl_dup2(fd, 2);
rump___sysimpl_close(fd);
}
}
for (fd = 3; fd < MAXFD; fd++) {
if (__franken_fd[fd].valid == 0)
break;
switch (__franken_fd[fd].st.st_mode & S_IFMT) {
case S_IFREG:
mkkey(key, num, "/dev/vfile", n_reg++, fd);
rump_pub_etfs_register(key, num, RUMP_ETFS_REG);
flags = __franken_fd[fd].flags & O_ACCMODE;
rump___sysimpl_open(key, flags);
break;
case S_IFBLK:
mkkey(key, num, "/dev/block", n_block, fd);
mkkey(rkey, num, "/dev/rblock", n_block, fd);
n_block++;
rump_pub_etfs_register_withsize(key, num,
RUMP_ETFS_BLK, 0, __franken_fd[fd].st.st_size);
rump_pub_etfs_register_withsize(rkey, num,
RUMP_ETFS_CHR, 0, __franken_fd[fd].st.st_size);
if (root == 0) {
ufs.fspec = key;
flags = __franken_fd[fd].flags & O_ACCMODE;
if (flags == O_RDWR)
flags = MNT_LOG;
else
flags = MNT_RDONLY;
ret = rump___sysimpl_mount50("ffs", "/", flags, &ufs, sizeof(struct ufs_args));
if (ret == 0) {
root = 1;
} else {
if (flags == MNT_LOG)
flags = 0;
ret = rump___sysimpl_mount50("ext2fs", "/", flags, &ufs, sizeof(struct ufs_args));
if (ret == 0) {
root = 1;
}
}
if (root == 1)
atexit(unmount_atexit);
}
break;
case S_IFSOCK:
mkkey(key, num, "virt", fd, fd);
ret = rump_pub_netconfig_ifcreate(key);
if (ret == 0) {
ret = rump___sysimpl_socket30(AF_INET6, SOCK_STREAM, 0);
if (ret != -1) {
rump_pub_netconfig_auto_ipv6(key);
rump___sysimpl_close(ret);
}
ret = rump___sysimpl_socket30(AF_INET, SOCK_STREAM, 0);
if (ret != -1) {
rump_pub_netconfig_dhcp_ipv4_oneshot(key);
rump___sysimpl_close(ret);
}
}
break;
}
}
}
static void
rumprun_config_net(const char *if_index)
{
char *if_type = NULL;
char *if_method = NULL;
char *if_addr = NULL;
char *if_mask = NULL;
char *if_gw = NULL;
char buf[128];
int rv;
rv = xs_read_netconfig(if_index, &if_type, &if_method, &if_addr,
&if_mask, &if_gw);
if (rv != 0)
return;
printf("rumprun_config: configuring xenif%s as %s with %s %s\n",
if_index, if_type, if_method, if_addr ? if_addr : "");
snprintf(buf, sizeof buf, "xenif%s", if_index);
if ((rv = rump_pub_netconfig_ifcreate(buf)) != 0) {
warnx("rumprun_config: %s: ifcreate failed: %s\n", buf,
strerror(rv));
goto out;
}
if (strcmp(if_type, "inet") == 0 &&
strcmp(if_method, "dhcp") == 0) {
if ((rv = rump_pub_netconfig_dhcp_ipv4_oneshot(buf)) != 0) {
warnx("rumprun_config: %s: dhcp_ipv4 failed: %s\n", buf,
strerror(rv));
goto out;
}
}
else if (strcmp(if_type, "inet") == 0 &&
strcmp(if_method, "static") == 0) {
if (if_addr == NULL || if_mask == NULL) {
warnx("rumprun_config: %s: missing if_addr/mask\n",
buf);
goto out;
}
if ((rv = rump_pub_netconfig_ipv4_ifaddr(buf, if_addr,
if_mask)) != 0) {
warnx("rumprun_config: %s: ipv4_ifaddr failed: %s\n",
buf, strerror(rv));
goto out;
}
if (if_gw &&
(rv = rump_pub_netconfig_ipv4_gw(if_gw)) != 0) {
warnx("rumprun_config: %s: ipv4_gw failed: %s\n",
buf, strerror(rv));
goto out;
}
}
else {
warnx("rumprun_config: %s: unknown type/method %s/%s\n",
buf, if_type, if_method);
}
out:
free(if_type);
free(if_method);
if (if_addr)
free(if_addr);
if (if_mask)
free(if_mask);
if (if_gw)
free(if_gw);
}