"tap|user|socket|vde|dump [options]", "add host VLAN client" },
{ "host_net_remove", "is", net_host_device_remove,
"vlan_id name", "remove host VLAN client" },
+#ifdef CONFIG_SLIRP
+ { "host_net_redir", "s", net_slirp_redir,
+ "[tcp|udp]:host-port:[guest-host]:guest-port", "redirect TCP or UDP connections from host to guest (requires -net user)" },
+#endif
{ "balloon", "i", do_balloon,
"target", "request VM to change it's memory allocation (in MB)" },
{ "set_link", "ss", do_set_link,
return 0;
}
-void net_slirp_redir(const char *redir_str)
+void net_slirp_redir(Monitor *mon, const char *redir_str)
{
int is_udp;
char buf[256], *r;
- const char *p;
+ const char *p, *errmsg;
struct in_addr guest_addr;
int host_port, guest_port;
p = redir_str;
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
- goto fail;
- if (!strcmp(buf, "tcp")) {
+ goto fail_syntax;
+ if (!strcmp(buf, "tcp") || buf[0] == '\0') {
is_udp = 0;
} else if (!strcmp(buf, "udp")) {
is_udp = 1;
} else {
- goto fail;
+ goto fail_syntax;
}
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
- goto fail;
+ goto fail_syntax;
host_port = strtol(buf, &r, 0);
if (r == buf)
- goto fail;
+ goto fail_syntax;
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
- goto fail;
+ goto fail_syntax;
if (buf[0] == '\0') {
pstrcpy(buf, sizeof(buf), "10.0.2.15");
}
if (!inet_aton(buf, &guest_addr))
- goto fail;
+ goto fail_syntax;
guest_port = strtol(p, &r, 0);
if (r == p)
- goto fail;
+ goto fail_syntax;
if (slirp_redir(is_udp, host_port, guest_addr, guest_port) < 0) {
- fprintf(stderr, "qemu: could not set up redirection\n");
- exit(1);
+ errmsg = "could not set up redirection\n";
+ goto fail;
}
return;
+
+ fail_syntax:
+ errmsg = "invalid redirection format\n";
fail:
- fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n");
- exit(1);
+ if (mon) {
+ monitor_printf(mon, errmsg);
+ } else {
+ fprintf(stderr, "qemu: %s", errmsg);
+ exit(1);
+ }
}
#ifndef _WIN32
void net_client_uninit(NICInfo *nd);
int net_client_parse(const char *str);
void net_slirp_smb(const char *exported_dir);
-void net_slirp_redir(const char *redir_str);
+void net_slirp_redir(Monitor *mon, const char *redir_str);
void net_cleanup(void);
int slirp_is_inited(void);
void net_client_check(void);
connections to the host port @var{host-port} to the guest
@var{guest-host} on guest port @var{guest-port}. If @var{guest-host}
is not specified, its value is 10.0.2.15 (default address given by the
-built-in DHCP server).
+built-in DHCP server). If no connection type is specified, TCP is used.
For example, to redirect host X11 connection from screen 1 to guest
screen 0, use the following: