*/
#include "qemu/osdep.h"
+#include "qemu/log.h"
#include "net/slirp.h"
#include "qemu/error-report.h"
#include "qemu/sockets.h"
#include "slirp/libslirp.h"
-#include "slirp/ip6.h"
#include "chardev/char-fe.h"
#include "sysemu/sysemu.h"
#include "qemu/cutils.h"
#include "qapi/error.h"
#include "qapi/qmp/qdict.h"
+#include "util.h"
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
{
char str[1024];
};
+struct GuestFwd {
+ CharBackend hd;
+ struct in_addr server;
+ int port;
+ Slirp *slirp;
+};
+
typedef struct SlirpState {
NetClientState nc;
QTAILQ_ENTRY(SlirpState) entry;
Slirp *slirp;
+ Notifier poll_notifier;
Notifier exit_notifier;
#ifndef _WIN32
gchar *smb_dir;
#endif
+ GSList *fwd;
} SlirpState;
static struct slirp_config_str *slirp_configs;
-static QTAILQ_HEAD(slirp_stacks, SlirpState) slirp_stacks =
+static QTAILQ_HEAD(, SlirpState) slirp_stacks =
QTAILQ_HEAD_INITIALIZER(slirp_stacks);
static int slirp_hostfwd(SlirpState *s, const char *redir_str, Error **errp);
static inline void slirp_smb_cleanup(SlirpState *s) { }
#endif
-void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len)
+static ssize_t net_slirp_send_packet(const void *pkt, size_t pkt_len,
+ void *opaque)
{
SlirpState *s = opaque;
- qemu_send_packet(&s->nc, pkt, pkt_len);
+ return qemu_send_packet(&s->nc, pkt, pkt_len);
}
static ssize_t net_slirp_receive(NetClientState *nc, const uint8_t *buf, size_t size)
slirp_smb_cleanup(s);
}
+static void slirp_free_fwd(gpointer data)
+{
+ struct GuestFwd *fwd = data;
+
+ qemu_chr_fe_deinit(&fwd->hd, true);
+ g_free(data);
+}
+
static void net_slirp_cleanup(NetClientState *nc)
{
SlirpState *s = DO_UPCAST(SlirpState, nc, nc);
+ g_slist_free_full(s->fwd, slirp_free_fwd);
+ main_loop_poll_remove_notifier(&s->poll_notifier);
slirp_cleanup(s->slirp);
if (s->exit_notifier.notify) {
qemu_remove_exit_notifier(&s->exit_notifier);
.cleanup = net_slirp_cleanup,
};
+static void net_slirp_guest_error(const char *msg, void *opaque)
+{
+ qemu_log_mask(LOG_GUEST_ERROR, "%s", msg);
+}
+
+static int64_t net_slirp_clock_get_ns(void *opaque)
+{
+ return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+}
+
+static void *net_slirp_timer_new(SlirpTimerCb cb,
+ void *cb_opaque, void *opaque)
+{
+ return timer_new_full(NULL, QEMU_CLOCK_VIRTUAL,
+ SCALE_MS, QEMU_TIMER_ATTR_EXTERNAL,
+ cb, cb_opaque);
+}
+
+static void net_slirp_timer_free(void *timer, void *opaque)
+{
+ timer_del(timer);
+ timer_free(timer);
+}
+
+static void net_slirp_timer_mod(void *timer, int64_t expire_timer,
+ void *opaque)
+{
+ timer_mod(timer, expire_timer);
+}
+
+static void net_slirp_register_poll_fd(int fd, void *opaque)
+{
+ qemu_fd_register(fd);
+}
+
+static void net_slirp_unregister_poll_fd(int fd, void *opaque)
+{
+ /* no qemu_fd_unregister */
+}
+
+static void net_slirp_notify(void *opaque)
+{
+ qemu_notify_event();
+}
+
+static const SlirpCb slirp_cb = {
+ .send_packet = net_slirp_send_packet,
+ .guest_error = net_slirp_guest_error,
+ .clock_get_ns = net_slirp_clock_get_ns,
+ .timer_new = net_slirp_timer_new,
+ .timer_free = net_slirp_timer_free,
+ .timer_mod = net_slirp_timer_mod,
+ .register_poll_fd = net_slirp_register_poll_fd,
+ .unregister_poll_fd = net_slirp_unregister_poll_fd,
+ .notify = net_slirp_notify,
+};
+
+static int slirp_poll_to_gio(int events)
+{
+ int ret = 0;
+
+ if (events & SLIRP_POLL_IN) {
+ ret |= G_IO_IN;
+ }
+ if (events & SLIRP_POLL_OUT) {
+ ret |= G_IO_OUT;
+ }
+ if (events & SLIRP_POLL_PRI) {
+ ret |= G_IO_PRI;
+ }
+ if (events & SLIRP_POLL_ERR) {
+ ret |= G_IO_ERR;
+ }
+ if (events & SLIRP_POLL_HUP) {
+ ret |= G_IO_HUP;
+ }
+
+ return ret;
+}
+
+static int net_slirp_add_poll(int fd, int events, void *opaque)
+{
+ GArray *pollfds = opaque;
+ GPollFD pfd = {
+ .fd = fd,
+ .events = slirp_poll_to_gio(events),
+ };
+ int idx = pollfds->len;
+ g_array_append_val(pollfds, pfd);
+ return idx;
+}
+
+static int slirp_gio_to_poll(int events)
+{
+ int ret = 0;
+
+ if (events & G_IO_IN) {
+ ret |= SLIRP_POLL_IN;
+ }
+ if (events & G_IO_OUT) {
+ ret |= SLIRP_POLL_OUT;
+ }
+ if (events & G_IO_PRI) {
+ ret |= SLIRP_POLL_PRI;
+ }
+ if (events & G_IO_ERR) {
+ ret |= SLIRP_POLL_ERR;
+ }
+ if (events & G_IO_HUP) {
+ ret |= SLIRP_POLL_HUP;
+ }
+
+ return ret;
+}
+
+static int net_slirp_get_revents(int idx, void *opaque)
+{
+ GArray *pollfds = opaque;
+
+ return slirp_gio_to_poll(g_array_index(pollfds, GPollFD, idx).revents);
+}
+
+static void net_slirp_poll_notify(Notifier *notifier, void *data)
+{
+ MainLoopPoll *poll = data;
+ SlirpState *s = container_of(notifier, SlirpState, poll_notifier);
+
+ switch (poll->state) {
+ case MAIN_LOOP_POLL_FILL:
+ slirp_pollfds_fill(s->slirp, &poll->timeout,
+ net_slirp_add_poll, poll->pollfds);
+ break;
+ case MAIN_LOOP_POLL_OK:
+ case MAIN_LOOP_POLL_ERR:
+ slirp_pollfds_poll(s->slirp, poll->state == MAIN_LOOP_POLL_ERR,
+ net_slirp_get_revents, poll->pollfds);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+}
+
static int net_slirp_init(NetClientState *peer, const char *model,
const char *name, int restricted,
bool ipv4, const char *vnetwork, const char *vhost,
const char *vnameserver, const char *vnameserver6,
const char *smb_export, const char *vsmbserver,
const char **dnssearch, const char *vdomainname,
+ const char *tftp_server_name,
Error **errp)
{
/* default settings according to historic slirp */
}
#endif
-#if defined(_WIN32) && (_WIN32_WINNT < 0x0600)
- /* No inet_pton helper before Vista... */
- if (vprefix6) {
- /* Unsupported */
- error_setg(errp, "IPv6 prefix not supported");
- return -1;
- }
- memset(&ip6_prefix, 0, sizeof(ip6_prefix));
- ip6_prefix.s6_addr[0] = 0xfe;
- ip6_prefix.s6_addr[1] = 0xc0;
-#else
if (!vprefix6) {
vprefix6 = "fec0::";
}
error_setg(errp, "Failed to parse IPv6 prefix");
return -1;
}
-#endif
if (!vprefix6_len) {
vprefix6_len = 64;
}
if (vhost6) {
-#if defined(_WIN32) && (_WIN32_WINNT < 0x0600)
- error_setg(errp, "IPv6 host not supported");
- return -1;
-#else
if (!inet_pton(AF_INET6, vhost6, &ip6_host)) {
error_setg(errp, "Failed to parse IPv6 host");
return -1;
error_setg(errp, "IPv6 Host doesn't belong to network");
return -1;
}
-#endif
} else {
ip6_host = ip6_prefix;
ip6_host.s6_addr[15] |= 2;
}
if (vnameserver6) {
-#if defined(_WIN32) && (_WIN32_WINNT < 0x0600)
- error_setg(errp, "IPv6 DNS not supported");
- return -1;
-#else
if (!inet_pton(AF_INET6, vnameserver6, &ip6_dns)) {
error_setg(errp, "Failed to parse IPv6 DNS");
return -1;
error_setg(errp, "IPv6 DNS doesn't belong to network");
return -1;
}
-#endif
} else {
ip6_dns = ip6_prefix;
ip6_dns.s6_addr[15] |= 3;
return -1;
}
+ if (vdomainname && strlen(vdomainname) > 255) {
+ error_setg(errp, "'domainname' parameter cannot exceed 255 bytes");
+ return -1;
+ }
+
+ if (vhostname && strlen(vhostname) > 255) {
+ error_setg(errp, "'vhostname' parameter cannot exceed 255 bytes");
+ return -1;
+ }
+
+ if (tftp_server_name && strlen(tftp_server_name) > 255) {
+ error_setg(errp, "'tftp-server-name' parameter cannot exceed 255 bytes");
+ return -1;
+ }
nc = qemu_new_net_client(&net_slirp_info, peer, model, name);
s->slirp = slirp_init(restricted, ipv4, net, mask, host,
ipv6, ip6_prefix, vprefix6_len, ip6_host,
- vhostname, tftp_export, bootfile, dhcp,
- dns, ip6_dns, dnssearch, vdomainname, s);
+ vhostname, tftp_server_name,
+ tftp_export, bootfile, dhcp,
+ dns, ip6_dns, dnssearch, vdomainname,
+ &slirp_cb, s);
QTAILQ_INSERT_TAIL(&slirp_stacks, s, entry);
+ s->poll_notifier.notify = net_slirp_poll_notify;
+ main_loop_poll_add_notifier(&s->poll_notifier);
+
for (config = slirp_configs; config; config = config->next) {
if (config->flags & SLIRP_CFG_HOSTFWD) {
if (slirp_hostfwd(s, config->str, errp) < 0) {
CONFIG_SMBD_COMMAND, s->smb_dir, smb_conf);
g_free(smb_conf);
- if (slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 139) < 0 ||
- slirp_add_exec(s->slirp, 0, smb_cmdline, &vserver_addr, 445) < 0) {
+ if (slirp_add_exec(s->slirp, smb_cmdline, &vserver_addr, 139) < 0 ||
+ slirp_add_exec(s->slirp, smb_cmdline, &vserver_addr, 445) < 0) {
slirp_smb_cleanup(s);
g_free(smb_cmdline);
error_setg(errp, "Conflicting/invalid smbserver address");
#endif /* !defined(_WIN32) */
-struct GuestFwd {
- CharBackend hd;
- struct in_addr server;
- int port;
- Slirp *slirp;
-};
-
static int guestfwd_can_read(void *opaque)
{
struct GuestFwd *fwd = opaque;
slirp_socket_recv(fwd->slirp, fwd->server, fwd->port, buf, size);
}
+static ssize_t guestfwd_write(const void *buf, size_t len, void *chr)
+{
+ return qemu_chr_fe_write_all(chr, buf, len);
+}
+
static int slirp_guestfwd(SlirpState *s, const char *config_str, Error **errp)
{
struct in_addr server = { .s_addr = 0 };
snprintf(buf, sizeof(buf), "guestfwd.tcp.%d", port);
- if ((strlen(p) > 4) && !strncmp(p, "cmd:", 4)) {
- if (slirp_add_exec(s->slirp, 0, &p[4], &server, port) < 0) {
+ if (g_str_has_prefix(p, "cmd:")) {
+ if (slirp_add_exec(s->slirp, &p[4], &server, port) < 0) {
error_setg(errp, "Conflicting/invalid host:port in guest "
"forwarding rule '%s'", config_str);
return -1;
}
} else {
Error *err = NULL;
- Chardev *chr = qemu_chr_new(buf, p);
+ /*
+ * FIXME: sure we want to support implicit
+ * muxed monitors here?
+ */
+ Chardev *chr = qemu_chr_new_mux_mon(buf, p, NULL);
if (!chr) {
error_setg(errp, "Could not open guest forwarding device '%s'",
qemu_chr_fe_init(&fwd->hd, chr, &err);
if (err) {
error_propagate(errp, err);
+ object_unparent(OBJECT(chr));
g_free(fwd);
return -1;
}
- if (slirp_add_exec(s->slirp, 3, &fwd->hd, &server, port) < 0) {
+ if (slirp_add_guestfwd(s->slirp, guestfwd_write, &fwd->hd,
+ &server, port) < 0) {
error_setg(errp, "Conflicting/invalid host:port in guest "
"forwarding rule '%s'", config_str);
+ qemu_chr_fe_deinit(&fwd->hd, true);
g_free(fwd);
return -1;
}
qemu_chr_fe_set_handlers(&fwd->hd, guestfwd_can_read, guestfwd_read,
NULL, NULL, fwd, NULL, true);
+ s->fwd = g_slist_append(s->fwd, fwd);
}
return 0;
QTAILQ_FOREACH(s, &slirp_stacks, entry) {
int id;
bool got_hub_id = net_hub_id_for_client(&s->nc, &id) == 0;
- monitor_printf(mon, "Hub %d (%s):\n",
+ char *info = slirp_connection_info(s->slirp);
+ monitor_printf(mon, "Hub %d (%s):\n%s",
got_hub_id ? id : -1,
- s->nc.name);
- slirp_connection_info(s->slirp, mon);
+ s->nc.name, info);
+ g_free(info);
}
}
user->ipv6_host, user->hostname, user->tftp,
user->bootfile, user->dhcpstart,
user->dns, user->ipv6_dns, user->smb,
- user->smbserver, dnssearch, user->domainname, errp);
+ user->smbserver, dnssearch, user->domainname,
+ user->tftp_server_name, errp);
while (slirp_configs) {
config = slirp_configs;
projects / qemu.git / blobdiff