int inet_listen_opts(QemuOpts *opts, int port_offset)
{
SockAddress** list;
SockAddress* e;
unsigned flags = SOCKET_LIST_PASSIVE;
const char *addr;
char port[33];
char uaddr[256+1];
char uport[33];
int slisten,to,try_next,nn;
#ifdef CONFIG_ANDROID
const char* socket_fd = qemu_opt_get(opts, "socket");
if (socket_fd) {
return atoi(socket_fd);
}
#endif
if ((qemu_opt_get(opts, "host") == NULL) ||
(qemu_opt_get(opts, "port") == NULL)) {
fprintf(stderr, "%s: host and/or port not specified\n", __FUNCTION__);
return -1;
}
pstrcpy(port, sizeof(port), qemu_opt_get(opts, "port"));
addr = qemu_opt_get(opts, "host");
to = qemu_opt_get_number(opts, "to", 0);
if (qemu_opt_get_bool(opts, "ipv4", 0))
flags |= SOCKET_LIST_FORCE_INET;
if (qemu_opt_get_bool(opts, "ipv6", 0))
flags |= SOCKET_LIST_FORCE_IN6;
/* lookup */
if (port_offset)
snprintf(port, sizeof(port), "%d", atoi(port) + port_offset);
list = sock_address_list_create( strlen(addr) ? addr : NULL,
port,
flags );
if (list == NULL) {
fprintf(stderr,"%s: getaddrinfo(%s,%s): %s\n", __FUNCTION__,
addr, port, errno_str);
return -1;
}
/* create socket + bind */
for (nn = 0; list[nn] != NULL; nn++) {
SocketFamily family;
e = list[nn];
family = sock_address_get_family(e);
sock_address_get_numeric_info(e, uaddr, sizeof uaddr, uport, sizeof uport);
slisten = socket_create(family, SOCKET_STREAM);
if (slisten < 0) {
fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
sock_address_strfamily(e), errno_str);
continue;
}
socket_set_xreuseaddr(slisten);
#ifdef IPV6_V6ONLY
/* listen on both ipv4 and ipv6 */
if (family == SOCKET_IN6) {
socket_set_ipv6only(slisten);
}
#endif
for (;;) {
if (socket_bind(slisten, e) == 0) {
if (sockets_debug)
fprintf(stderr,"%s: bind(%s,%s,%d): OK\n", __FUNCTION__,
sock_address_strfamily(e), uaddr, sock_address_get_port(e));
goto listen;
}
socket_close(slisten);
try_next = to && (sock_address_get_port(e) <= to + port_offset);
if (!try_next || sockets_debug)
fprintf(stderr,"%s: bind(%s,%s,%d): %s\n", __FUNCTION__,
sock_address_strfamily(e), uaddr, sock_address_get_port(e),
strerror(errno));
if (try_next) {
sock_address_set_port(e, sock_address_get_port(e) + 1);
continue;
}
break;
}
}
sock_address_list_free(list);
fprintf(stderr, "%s: FAILED\n", __FUNCTION__);
return -1;
listen:
if (socket_listen(slisten,1) != 0) {
perror("listen");
socket_close(slisten);
return -1;
}
snprintf(uport, sizeof(uport), "%d", sock_address_get_port(e) - port_offset);
qemu_opt_set(opts, "host", uaddr);
qemu_opt_set(opts, "port", uport);
qemu_opt_set(opts, "ipv6", (e->family == SOCKET_IN6) ? "on" : "off");
qemu_opt_set(opts, "ipv4", (e->family != SOCKET_IN6) ? "on" : "off");
sock_address_list_free(list);
return slisten;
}
int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp)
{
struct addrinfo ai,*res,*e;
const char *addr;
char port[33];
char uaddr[INET6_ADDRSTRLEN+1];
char uport[33];
int slisten, rc, to, port_min, port_max, p;
memset(&ai,0, sizeof(ai));
ai.ai_flags = AI_PASSIVE | AI_ADDRCONFIG;
ai.ai_family = PF_UNSPEC;
ai.ai_socktype = SOCK_STREAM;
if ((qemu_opt_get(opts, "host") == NULL) ||
(qemu_opt_get(opts, "port") == NULL)) {
error_setg(errp, "host and/or port not specified");
return -1;
}
pstrcpy(port, sizeof(port), qemu_opt_get(opts, "port"));
addr = qemu_opt_get(opts, "host");
to = qemu_opt_get_number(opts, "to", 0);
if (qemu_opt_get_bool(opts, "ipv4", 0))
ai.ai_family = PF_INET;
if (qemu_opt_get_bool(opts, "ipv6", 0))
ai.ai_family = PF_INET6;
/* lookup */
if (port_offset)
snprintf(port, sizeof(port), "%d", atoi(port) + port_offset);
rc = getaddrinfo(strlen(addr) ? addr : NULL, port, &ai, &res);
if (rc != 0) {
error_setg(errp, "address resolution failed for %s:%s: %s", addr, port,
gai_strerror(rc));
return -1;
}
/* create socket + bind */
for (e = res; e != NULL; e = e->ai_next) {
getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen,
uaddr,INET6_ADDRSTRLEN,uport,32,
NI_NUMERICHOST | NI_NUMERICSERV);
slisten = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol);
if (slisten < 0) {
if (!e->ai_next) {
error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED);
}
continue;
}
qemu_setsockopt(slisten, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
#ifdef IPV6_V6ONLY
if (e->ai_family == PF_INET6) {
/* listen on both ipv4 and ipv6 */
qemu_setsockopt(slisten, IPPROTO_IPV6, IPV6_V6ONLY, &off,
sizeof(off));
}
#endif
port_min = inet_getport(e);
port_max = to ? to + port_offset : port_min;
for (p = port_min; p <= port_max; p++) {
inet_setport(e, p);
if (bind(slisten, e->ai_addr, e->ai_addrlen) == 0) {
goto listen;
}
if (p == port_max) {
if (!e->ai_next) {
error_set_errno(errp, errno, QERR_SOCKET_BIND_FAILED);
}
}
}
closesocket(slisten);
}
freeaddrinfo(res);
return -1;
listen:
if (listen(slisten,1) != 0) {
error_set_errno(errp, errno, QERR_SOCKET_LISTEN_FAILED);
closesocket(slisten);
freeaddrinfo(res);
return -1;
}
snprintf(uport, sizeof(uport), "%d", inet_getport(e) - port_offset);
qemu_opt_set(opts, "host", uaddr);
qemu_opt_set(opts, "port", uport);
qemu_opt_set(opts, "ipv6", (e->ai_family == PF_INET6) ? "on" : "off");
qemu_opt_set(opts, "ipv4", (e->ai_family != PF_INET6) ? "on" : "off");
freeaddrinfo(res);
return slisten;
}
int inet_connect_opts(QemuOpts *opts)
{
SockAddress** list;
SockAddress* e;
unsigned flags = 0;
const char *addr;
const char *port;
int sock, nn;
#ifdef CONFIG_ANDROID
const char* socket_fd = qemu_opt_get(opts, "socket");
if (socket_fd) {
return atoi(socket_fd);
}
#endif
addr = qemu_opt_get(opts, "host");
port = qemu_opt_get(opts, "port");
if (addr == NULL || port == NULL) {
fprintf(stderr, "inet_connect: host and/or port not specified\n");
return -1;
}
if (qemu_opt_get_bool(opts, "ipv4", 0)) {
flags &= SOCKET_LIST_FORCE_IN6;
flags |= SOCKET_LIST_FORCE_INET;
}
if (qemu_opt_get_bool(opts, "ipv6", 0)) {
flags &= SOCKET_LIST_FORCE_INET;
flags |= SOCKET_LIST_FORCE_IN6;
}
/* lookup */
list = sock_address_list_create(addr, port, flags);
if (list == NULL) {
fprintf(stderr,"getaddrinfo(%s,%s): %s\n",
addr, port, errno_str);
return -1;
}
for (nn = 0; list[nn] != NULL; nn++) {
e = list[nn];
sock = socket_create(sock_address_get_family(e), SOCKET_STREAM);
if (sock < 0) {
fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
sock_address_strfamily(e), errno_str);
continue;
}
socket_set_xreuseaddr(sock);
/* connect to peer */
if (socket_connect(sock,e) < 0) {
if (sockets_debug)
fprintf(stderr, "%s: connect(%s,%s,%s,%s): %s\n", __FUNCTION__,
sock_address_strfamily(e),
sock_address_to_string(e), addr, port, strerror(errno));
socket_close(sock);
continue;
}
if (sockets_debug)
fprintf(stderr, "%s: connect(%s,%s,%s,%s): OK\n", __FUNCTION__,
sock_address_strfamily(e),
sock_address_to_string(e), addr, port);
goto EXIT;
}
sock = -1;
EXIT:
sock_address_list_free(list);
return sock;
}
int inet_dgram_opts(QemuOpts *opts)
{
SockAddress** peer_list = NULL;
SockAddress** local_list = NULL;
SockAddress* e;
unsigned flags = 0;
const char *addr;
const char *port;
char uaddr[INET6_ADDRSTRLEN+1];
char uport[33];
int sock = -1;
int nn;
/* lookup peer addr */
addr = qemu_opt_get(opts, "host");
port = qemu_opt_get(opts, "port");
if (addr == NULL || strlen(addr) == 0) {
addr = "localhost";
}
if (port == NULL || strlen(port) == 0) {
fprintf(stderr, "inet_dgram: port not specified\n");
return -1;
}
flags = SOCKET_LIST_DGRAM;
if (qemu_opt_get_bool(opts, "ipv4", 0)) {
flags &= SOCKET_LIST_FORCE_IN6;
flags |= SOCKET_LIST_FORCE_INET;
}
if (qemu_opt_get_bool(opts, "ipv6", 0)) {
flags &= SOCKET_LIST_FORCE_INET;
flags |= SOCKET_LIST_FORCE_IN6;
}
peer_list = sock_address_list_create(addr, port, flags);
if (peer_list == NULL) {
fprintf(stderr,"getaddrinfo(%s,%s): %s\n",
addr, port, errno_str);
return -1;
}
/* lookup local addr */
addr = qemu_opt_get(opts, "localaddr");
port = qemu_opt_get(opts, "localport");
if (addr == NULL || strlen(addr) == 0) {
addr = NULL;
}
if (!port || strlen(port) == 0)
port = "0";
flags = SOCKET_LIST_DGRAM | SOCKET_LIST_PASSIVE;
local_list = sock_address_list_create(addr, port, flags);
if (local_list == NULL) {
fprintf(stderr,"getaddrinfo(%s,%s): %s\n",
addr, port, errno_str);
goto EXIT;
}
if (sock_address_get_numeric_info(local_list[0],
uaddr, INET6_ADDRSTRLEN,
uport, 32)) {
fprintf(stderr, "%s: getnameinfo: oops\n", __FUNCTION__);
goto EXIT;
}
for (nn = 0; peer_list[nn] != NULL; nn++) {
SockAddress *local = local_list[0];
e = peer_list[nn];
sock = socket_create(sock_address_get_family(e), SOCKET_DGRAM);
if (sock < 0) {
fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
sock_address_strfamily(e), errno_str);
continue;
}
socket_set_xreuseaddr(sock);
/* bind socket */
if (socket_bind(sock, local) < 0) {
fprintf(stderr,"%s: bind(%s,%s,%s): OK\n", __FUNCTION__,
sock_address_strfamily(local), addr, port);
socket_close(sock);
continue;
}
/* connect to peer */
if (socket_connect(sock,e) < 0) {
if (sockets_debug)
fprintf(stderr, "%s: connect(%s,%s,%s,%s): %s\n", __FUNCTION__,
sock_address_strfamily(e),
sock_address_to_string(e), addr, port, strerror(errno));
socket_close(sock);
continue;
}
if (sockets_debug)
fprintf(stderr, "%s: connect(%s,%s,%s,%s): OK\n", __FUNCTION__,
sock_address_strfamily(e),
sock_address_to_string(e), addr, port);
goto EXIT;
}
sock = -1;
EXIT:
if (local_list)
sock_address_list_free(local_list);
if (peer_list)
sock_address_list_free(peer_list);
return sock;
}
int inet_listen_opts(QemuOpts *opts, int port_offset, Error **errp)
{
struct addrinfo ai,*res,*e;
const char *addr;
char port[33];
char uaddr[INET6_ADDRSTRLEN+1];
char uport[33];
int slisten, rc, to, port_min, port_max, p;
memset(&ai,0, sizeof(ai));
ai.ai_flags = AI_PASSIVE;
ai.ai_family = PF_UNSPEC;
ai.ai_socktype = SOCK_STREAM;
if ((qemu_opt_get(opts, "host") == NULL) ||
(qemu_opt_get(opts, "port") == NULL)) {
error_setg(errp, "host and/or port not specified");
return -1;
}
pstrcpy(port, sizeof(port), qemu_opt_get(opts, "port"));
addr = qemu_opt_get(opts, "host");
to = qemu_opt_get_number(opts, "to", 0);
if (qemu_opt_get_bool(opts, "ipv4", 0))
ai.ai_family = PF_INET;
if (qemu_opt_get_bool(opts, "ipv6", 0))
ai.ai_family = PF_INET6;
/* lookup */
if (port_offset) {
unsigned long long baseport;
if (parse_uint_full(port, &baseport, 10) < 0) {
error_setg(errp, "can't convert to a number: %s", port);
return -1;
}
if (baseport > 65535 ||
baseport + port_offset > 65535) {
error_setg(errp, "port %s out of range", port);
return -1;
}
snprintf(port, sizeof(port), "%d", (int)baseport + port_offset);
}
rc = getaddrinfo(strlen(addr) ? addr : NULL, port, &ai, &res);
if (rc != 0) {
error_setg(errp, "address resolution failed for %s:%s: %s", addr, port,
gai_strerror(rc));
return -1;
}
/* create socket + bind */
for (e = res; e != NULL; e = e->ai_next) {
getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen,
uaddr,INET6_ADDRSTRLEN,uport,32,
NI_NUMERICHOST | NI_NUMERICSERV);
slisten = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol);
if (slisten < 0) {
if (!e->ai_next) {
error_setg_errno(errp, errno, "Failed to create socket");
}
continue;
}
socket_set_fast_reuse(slisten);
#ifdef IPV6_V6ONLY
if (e->ai_family == PF_INET6) {
/* listen on both ipv4 and ipv6 */
const int off = 0;
qemu_setsockopt(slisten, IPPROTO_IPV6, IPV6_V6ONLY, &off,
sizeof(off));
}
#endif
port_min = inet_getport(e);
port_max = to ? to + port_offset : port_min;
for (p = port_min; p <= port_max; p++) {
inet_setport(e, p);
if (bind(slisten, e->ai_addr, e->ai_addrlen) == 0) {
goto listen;
}
if (p == port_max) {
if (!e->ai_next) {
error_setg_errno(errp, errno, "Failed to bind socket");
}
}
}
closesocket(slisten);
}
freeaddrinfo(res);
return -1;
listen:
if (listen(slisten,1) != 0) {
error_setg_errno(errp, errno, "Failed to listen on socket");
closesocket(slisten);
freeaddrinfo(res);
return -1;
}
qemu_opt_set(opts, "host", uaddr, &error_abort);
qemu_opt_set_number(opts, "port", inet_getport(e) - port_offset,
&error_abort);
qemu_opt_set_bool(opts, "ipv6", e->ai_family == PF_INET6,
&error_abort);
qemu_opt_set_bool(opts, "ipv4", e->ai_family != PF_INET6,
&error_abort);
freeaddrinfo(res);
return slisten;
}
int inet_dgram_opts(QemuOpts *opts, Error **errp)
{
struct addrinfo ai, *peer = NULL, *local = NULL;
const char *addr;
const char *port;
int sock = -1, rc;
/* lookup peer addr */
memset(&ai,0, sizeof(ai));
ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG;
ai.ai_family = PF_UNSPEC;
ai.ai_socktype = SOCK_DGRAM;
addr = qemu_opt_get(opts, "host");
port = qemu_opt_get(opts, "port");
if (addr == NULL || strlen(addr) == 0) {
addr = "localhost";
}
if (port == NULL || strlen(port) == 0) {
error_setg(errp, "remote port not specified");
return -1;
}
if (qemu_opt_get_bool(opts, "ipv4", 0))
ai.ai_family = PF_INET;
if (qemu_opt_get_bool(opts, "ipv6", 0))
ai.ai_family = PF_INET6;
if (0 != (rc = getaddrinfo(addr, port, &ai, &peer))) {
error_setg(errp, "address resolution failed for %s:%s: %s", addr, port,
gai_strerror(rc));
return -1;
}
/* lookup local addr */
memset(&ai,0, sizeof(ai));
ai.ai_flags = AI_PASSIVE;
ai.ai_family = peer->ai_family;
ai.ai_socktype = SOCK_DGRAM;
addr = qemu_opt_get(opts, "localaddr");
port = qemu_opt_get(opts, "localport");
if (addr == NULL || strlen(addr) == 0) {
addr = NULL;
}
if (!port || strlen(port) == 0)
port = "0";
if (0 != (rc = getaddrinfo(addr, port, &ai, &local))) {
error_setg(errp, "address resolution failed for %s:%s: %s", addr, port,
gai_strerror(rc));
goto err;
}
/* create socket */
sock = qemu_socket(peer->ai_family, peer->ai_socktype, peer->ai_protocol);
if (sock < 0) {
error_set_errno(errp, errno, QERR_SOCKET_CREATE_FAILED);
goto err;
}
setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on));
/* bind socket */
if (bind(sock, local->ai_addr, local->ai_addrlen) < 0) {
error_set_errno(errp, errno, QERR_SOCKET_BIND_FAILED);
goto err;
}
/* connect to peer */
if (connect(sock,peer->ai_addr,peer->ai_addrlen) < 0) {
error_set_errno(errp, errno, QERR_SOCKET_CONNECT_FAILED);
goto err;
}
freeaddrinfo(local);
freeaddrinfo(peer);
return sock;
err:
if (-1 != sock)
closesocket(sock);
if (local)
freeaddrinfo(local);
if (peer)
freeaddrinfo(peer);
return -1;
}
static void qemu_chr_parse_udp(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
{
const char *host = qemu_opt_get(opts, "host");
const char *port = qemu_opt_get(opts, "port");
const char *localaddr = qemu_opt_get(opts, "localaddr");
const char *localport = qemu_opt_get(opts, "localport");
bool has_local = false;
SocketAddressLegacy *addr;
ChardevUdp *udp;
backend->type = CHARDEV_BACKEND_KIND_UDP;
if (host == NULL || strlen(host) == 0) {
host = "localhost";
}
if (port == NULL || strlen(port) == 0) {
error_setg(errp, "chardev: udp: remote port not specified");
return;
}
if (localport == NULL || strlen(localport) == 0) {
localport = "0";
} else {
has_local = true;
}
if (localaddr == NULL || strlen(localaddr) == 0) {
localaddr = "";
} else {
has_local = true;
}
udp = backend->u.udp.data = g_new0(ChardevUdp, 1);
qemu_chr_parse_common(opts, qapi_ChardevUdp_base(udp));
addr = g_new0(SocketAddressLegacy, 1);
addr->type = SOCKET_ADDRESS_LEGACY_KIND_INET;
addr->u.inet.data = g_new(InetSocketAddress, 1);
*addr->u.inet.data = (InetSocketAddress) {
.host = g_strdup(host),
.port = g_strdup(port),
.has_ipv4 = qemu_opt_get(opts, "ipv4"),
.ipv4 = qemu_opt_get_bool(opts, "ipv4", 0),
.has_ipv6 = qemu_opt_get(opts, "ipv6"),
.ipv6 = qemu_opt_get_bool(opts, "ipv6", 0),
};
udp->remote = addr;
if (has_local) {
udp->has_local = true;
addr = g_new0(SocketAddressLegacy, 1);
addr->type = SOCKET_ADDRESS_LEGACY_KIND_INET;
addr->u.inet.data = g_new(InetSocketAddress, 1);
*addr->u.inet.data = (InetSocketAddress) {
.host = g_strdup(localaddr),
.port = g_strdup(localport),
};
udp->local = addr;
}
}
static void qmp_chardev_open_udp(Chardev *chr,
ChardevBackend *backend,
bool *be_opened,
Error **errp)
{
ChardevUdp *udp = backend->u.udp.data;
SocketAddress *local_addr = socket_address_flatten(udp->local);
SocketAddress *remote_addr = socket_address_flatten(udp->remote);
QIOChannelSocket *sioc = qio_channel_socket_new();
char *name;
UdpChardev *s = UDP_CHARDEV(chr);
int ret;
ret = qio_channel_socket_dgram_sync(sioc, local_addr, remote_addr, errp);
qapi_free_SocketAddress(local_addr);
qapi_free_SocketAddress(remote_addr);
if (ret < 0) {
object_unref(OBJECT(sioc));
return;
}
name = g_strdup_printf("chardev-udp-%s", chr->label);
qio_channel_set_name(QIO_CHANNEL(sioc), name);
g_free(name);
s->ioc = QIO_CHANNEL(sioc);
/* be isn't opened until we get a connection */
*be_opened = false;
}
static int curl_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
BDRVCURLState *s = bs->opaque;
CURLState *state = NULL;
QemuOpts *opts;
Error *local_err = NULL;
const char *file;
const char *cookie;
double d;
static int inited = 0;
if (flags & BDRV_O_RDWR) {
error_setg(errp, "curl block device does not support writes");
return -EROFS;
}
opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (local_err) {
error_propagate(errp, local_err);
goto out_noclean;
}
s->readahead_size = qemu_opt_get_size(opts, CURL_BLOCK_OPT_READAHEAD,
READ_AHEAD_DEFAULT);
if ((s->readahead_size & 0x1ff) != 0) {
error_setg(errp, "HTTP_READAHEAD_SIZE %zd is not a multiple of 512",
s->readahead_size);
goto out_noclean;
}
s->timeout = qemu_opt_get_number(opts, CURL_BLOCK_OPT_TIMEOUT,
CURL_TIMEOUT_DEFAULT);
if (s->timeout > CURL_TIMEOUT_MAX) {
error_setg(errp, "timeout parameter is too large or negative");
goto out_noclean;
}
s->sslverify = qemu_opt_get_bool(opts, CURL_BLOCK_OPT_SSLVERIFY, true);
cookie = qemu_opt_get(opts, CURL_BLOCK_OPT_COOKIE);
s->cookie = g_strdup(cookie);
file = qemu_opt_get(opts, CURL_BLOCK_OPT_URL);
if (file == NULL) {
error_setg(errp, "curl block driver requires an 'url' option");
goto out_noclean;
}
if (!inited) {
curl_global_init(CURL_GLOBAL_ALL);
inited = 1;
}
DPRINTF("CURL: Opening %s\n", file);
s->aio_context = bdrv_get_aio_context(bs);
s->url = g_strdup(file);
state = curl_init_state(bs, s);
if (!state)
goto out_noclean;
// Get file size
s->accept_range = false;
curl_easy_setopt(state->curl, CURLOPT_NOBODY, 1);
curl_easy_setopt(state->curl, CURLOPT_HEADERFUNCTION,
curl_header_cb);
curl_easy_setopt(state->curl, CURLOPT_HEADERDATA, s);
if (curl_easy_perform(state->curl))
goto out;
curl_easy_getinfo(state->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d);
if (d)
s->len = (size_t)d;
else if(!s->len)
goto out;
if ((!strncasecmp(s->url, "http://", strlen("http://"))
|| !strncasecmp(s->url, "https://", strlen("https://")))
&& !s->accept_range) {
pstrcpy(state->errmsg, CURL_ERROR_SIZE,
"Server does not support 'range' (byte ranges).");
goto out;
}
DPRINTF("CURL: Size = %zd\n", s->len);
curl_clean_state(state);
curl_easy_cleanup(state->curl);
state->curl = NULL;
curl_attach_aio_context(bs, bdrv_get_aio_context(bs));
qemu_opts_del(opts);
return 0;
out:
error_setg(errp, "CURL: Error opening file: %s", state->errmsg);
curl_easy_cleanup(state->curl);
state->curl = NULL;
out_noclean:
g_free(s->cookie);
g_free(s->url);
qemu_opts_del(opts);
return -EINVAL;
}
int inet_dgram_opts(QemuOpts *opts)
{
struct addrinfo ai, *peer = NULL, *local = NULL;
const char *addr;
const char *port;
char uaddr[INET6_ADDRSTRLEN+1];
char uport[33];
int sock = -1, rc;
/* lookup peer addr */
memset(&ai,0, sizeof(ai));
ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG;
ai.ai_family = PF_UNSPEC;
ai.ai_socktype = SOCK_DGRAM;
addr = qemu_opt_get(opts, "host");
port = qemu_opt_get(opts, "port");
if (addr == NULL || strlen(addr) == 0) {
addr = "localhost";
}
if (port == NULL || strlen(port) == 0) {
fprintf(stderr, "inet_dgram: port not specified\n");
return -1;
}
if (qemu_opt_get_bool(opts, "ipv4", 0))
ai.ai_family = PF_INET;
if (qemu_opt_get_bool(opts, "ipv6", 0))
ai.ai_family = PF_INET6;
if (0 != (rc = getaddrinfo(addr, port, &ai, &peer))) {
fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
gai_strerror(rc));
return -1;
}
if (sockets_debug) {
fprintf(stderr, "%s: peer (%s:%s)\n", __FUNCTION__, addr, port);
inet_print_addrinfo(__FUNCTION__, peer);
}
/* lookup local addr */
memset(&ai,0, sizeof(ai));
ai.ai_flags = AI_PASSIVE;
ai.ai_family = peer->ai_family;
ai.ai_socktype = SOCK_DGRAM;
addr = qemu_opt_get(opts, "localaddr");
port = qemu_opt_get(opts, "localport");
if (addr == NULL || strlen(addr) == 0) {
addr = NULL;
}
if (!port || strlen(port) == 0)
port = "0";
if (0 != (rc = getaddrinfo(addr, port, &ai, &local))) {
fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
gai_strerror(rc));
return -1;
}
if (sockets_debug) {
fprintf(stderr, "%s: local (%s:%s)\n", __FUNCTION__, addr, port);
inet_print_addrinfo(__FUNCTION__, local);
}
/* create socket */
sock = qemu_socket(peer->ai_family, peer->ai_socktype, peer->ai_protocol);
if (sock < 0) {
fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
inet_strfamily(peer->ai_family), strerror(errno));
goto err;
}
setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on));
/* bind socket */
if (getnameinfo((struct sockaddr*)local->ai_addr,local->ai_addrlen,
uaddr,INET6_ADDRSTRLEN,uport,32,
NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
fprintf(stderr, "%s: getnameinfo: oops\n", __FUNCTION__);
goto err;
}
if (bind(sock, local->ai_addr, local->ai_addrlen) < 0) {
fprintf(stderr,"%s: bind(%s,%s,%d): OK\n", __FUNCTION__,
inet_strfamily(local->ai_family), uaddr, inet_getport(local));
goto err;
}
/* connect to peer */
if (getnameinfo((struct sockaddr*)peer->ai_addr, peer->ai_addrlen,
uaddr, INET6_ADDRSTRLEN, uport, 32,
NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
fprintf(stderr, "%s: getnameinfo: oops\n", __FUNCTION__);
goto err;
}
if (connect(sock,peer->ai_addr,peer->ai_addrlen) < 0) {
fprintf(stderr, "%s: connect(%s,%s,%s,%s): %s\n", __FUNCTION__,
inet_strfamily(peer->ai_family),
peer->ai_canonname, uaddr, uport, strerror(errno));
goto err;
}
freeaddrinfo(local);
freeaddrinfo(peer);
return sock;
err:
if (-1 != sock)
closesocket(sock);
if (local)
freeaddrinfo(local);
if (peer)
freeaddrinfo(peer);
return -1;
}
int inet_connect_opts(QemuOpts *opts)
{
struct addrinfo ai,*res,*e;
const char *addr;
const char *port;
char uaddr[INET6_ADDRSTRLEN+1];
char uport[33];
int sock,rc;
memset(&ai,0, sizeof(ai));
ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG;
ai.ai_family = PF_UNSPEC;
ai.ai_socktype = SOCK_STREAM;
addr = qemu_opt_get(opts, "host");
port = qemu_opt_get(opts, "port");
if (addr == NULL || port == NULL) {
fprintf(stderr, "inet_connect: host and/or port not specified\n");
return -1;
}
if (qemu_opt_get_bool(opts, "ipv4", 0))
ai.ai_family = PF_INET;
if (qemu_opt_get_bool(opts, "ipv6", 0))
ai.ai_family = PF_INET6;
/* lookup */
if (0 != (rc = getaddrinfo(addr, port, &ai, &res))) {
fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
gai_strerror(rc));
return -1;
}
if (sockets_debug)
inet_print_addrinfo(__FUNCTION__, res);
for (e = res; e != NULL; e = e->ai_next) {
if (getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen,
uaddr,INET6_ADDRSTRLEN,uport,32,
NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
fprintf(stderr,"%s: getnameinfo: oops\n", __FUNCTION__);
continue;
}
sock = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol);
if (sock < 0) {
fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
inet_strfamily(e->ai_family), strerror(errno));
continue;
}
setsockopt(sock,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on));
/* connect to peer */
if (connect(sock,e->ai_addr,e->ai_addrlen) < 0) {
if (sockets_debug || NULL == e->ai_next)
fprintf(stderr, "%s: connect(%s,%s,%s,%s): %s\n", __FUNCTION__,
inet_strfamily(e->ai_family),
e->ai_canonname, uaddr, uport, strerror(errno));
closesocket(sock);
continue;
}
if (sockets_debug)
fprintf(stderr, "%s: connect(%s,%s,%s,%s): OK\n", __FUNCTION__,
inet_strfamily(e->ai_family),
e->ai_canonname, uaddr, uport);
freeaddrinfo(res);
return sock;
}
freeaddrinfo(res);
return -1;
}
int inet_listen_opts(QemuOpts *opts, int port_offset)
{
struct addrinfo ai,*res,*e;
const char *addr;
char port[33];
char uaddr[INET6_ADDRSTRLEN+1];
char uport[33];
int slisten,rc,to,try_next;
memset(&ai,0, sizeof(ai));
ai.ai_flags = AI_PASSIVE | AI_ADDRCONFIG;
ai.ai_family = PF_UNSPEC;
ai.ai_socktype = SOCK_STREAM;
if ((qemu_opt_get(opts, "host") == NULL) ||
(qemu_opt_get(opts, "port") == NULL)) {
fprintf(stderr, "%s: host and/or port not specified\n", __FUNCTION__);
return -1;
}
pstrcpy(port, sizeof(port), qemu_opt_get(opts, "port"));
addr = qemu_opt_get(opts, "host");
to = qemu_opt_get_number(opts, "to", 0);
if (qemu_opt_get_bool(opts, "ipv4", 0))
ai.ai_family = PF_INET;
if (qemu_opt_get_bool(opts, "ipv6", 0))
ai.ai_family = PF_INET6;
/* lookup */
if (port_offset)
snprintf(port, sizeof(port), "%d", atoi(port) + port_offset);
rc = getaddrinfo(strlen(addr) ? addr : NULL, port, &ai, &res);
if (rc != 0) {
fprintf(stderr,"getaddrinfo(%s,%s): %s\n", addr, port,
gai_strerror(rc));
return -1;
}
if (sockets_debug)
inet_print_addrinfo(__FUNCTION__, res);
/* create socket + bind */
for (e = res; e != NULL; e = e->ai_next) {
getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen,
uaddr,INET6_ADDRSTRLEN,uport,32,
NI_NUMERICHOST | NI_NUMERICSERV);
slisten = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol);
if (slisten < 0) {
fprintf(stderr,"%s: socket(%s): %s\n", __FUNCTION__,
inet_strfamily(e->ai_family), strerror(errno));
continue;
}
setsockopt(slisten,SOL_SOCKET,SO_REUSEADDR,(void*)&on,sizeof(on));
#ifdef IPV6_V6ONLY
if (e->ai_family == PF_INET6) {
/* listen on both ipv4 and ipv6 */
setsockopt(slisten,IPPROTO_IPV6,IPV6_V6ONLY,(void*)&off,
sizeof(off));
}
#endif
for (;;) {
if (bind(slisten, e->ai_addr, e->ai_addrlen) == 0) {
if (sockets_debug)
fprintf(stderr,"%s: bind(%s,%s,%d): OK\n", __FUNCTION__,
inet_strfamily(e->ai_family), uaddr, inet_getport(e));
goto listen;
}
try_next = to && (inet_getport(e) <= to + port_offset);
if (!try_next || sockets_debug)
fprintf(stderr,"%s: bind(%s,%s,%d): %s\n", __FUNCTION__,
inet_strfamily(e->ai_family), uaddr, inet_getport(e),
strerror(errno));
if (try_next) {
inet_setport(e, inet_getport(e) + 1);
continue;
}
break;
}
closesocket(slisten);
}
fprintf(stderr, "%s: FAILED\n", __FUNCTION__);
freeaddrinfo(res);
return -1;
listen:
if (listen(slisten,1) != 0) {
perror("listen");
closesocket(slisten);
freeaddrinfo(res);
return -1;
}
snprintf(uport, sizeof(uport), "%d", inet_getport(e) - port_offset);
qemu_opt_set(opts, "host", uaddr);
qemu_opt_set(opts, "port", uport);
qemu_opt_set(opts, "ipv6", (e->ai_family == PF_INET6) ? "on" : "off");
qemu_opt_set(opts, "ipv4", (e->ai_family != PF_INET6) ? "on" : "off");
freeaddrinfo(res);
return slisten;
}
static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
{
bool is_listen = qemu_opt_get_bool(opts, "server", false);
bool is_waitconnect = is_listen && qemu_opt_get_bool(opts, "wait", true);
bool is_telnet = qemu_opt_get_bool(opts, "telnet", false);
bool is_tn3270 = qemu_opt_get_bool(opts, "tn3270", false);
bool do_nodelay = !qemu_opt_get_bool(opts, "delay", true);
int64_t reconnect = qemu_opt_get_number(opts, "reconnect", 0);
const char *path = qemu_opt_get(opts, "path");
const char *host = qemu_opt_get(opts, "host");
const char *port = qemu_opt_get(opts, "port");
const char *tls_creds = qemu_opt_get(opts, "tls-creds");
SocketAddressLegacy *addr;
ChardevSocket *sock;
backend->type = CHARDEV_BACKEND_KIND_SOCKET;
if (!path) {
if (!host) {
error_setg(errp, "chardev: socket: no host given");
return;
}
if (!port) {
error_setg(errp, "chardev: socket: no port given");
return;
}
} else {
if (tls_creds) {
error_setg(errp, "TLS can only be used over TCP socket");
return;
}
}
sock = backend->u.socket.data = g_new0(ChardevSocket, 1);
qemu_chr_parse_common(opts, qapi_ChardevSocket_base(sock));
sock->has_nodelay = true;
sock->nodelay = do_nodelay;
sock->has_server = true;
sock->server = is_listen;
sock->has_telnet = true;
sock->telnet = is_telnet;
sock->has_tn3270 = true;
sock->tn3270 = is_tn3270;
sock->has_wait = true;
sock->wait = is_waitconnect;
sock->has_reconnect = true;
sock->reconnect = reconnect;
sock->tls_creds = g_strdup(tls_creds);
addr = g_new0(SocketAddressLegacy, 1);
if (path) {
UnixSocketAddress *q_unix;
addr->type = SOCKET_ADDRESS_LEGACY_KIND_UNIX;
q_unix = addr->u.q_unix.data = g_new0(UnixSocketAddress, 1);
q_unix->path = g_strdup(path);
} else {
addr->type = SOCKET_ADDRESS_LEGACY_KIND_INET;
addr->u.inet.data = g_new(InetSocketAddress, 1);
*addr->u.inet.data = (InetSocketAddress) {
.host = g_strdup(host),
.port = g_strdup(port),
.has_to = qemu_opt_get(opts, "to"),
.to = qemu_opt_get_number(opts, "to", 0),
.has_ipv4 = qemu_opt_get(opts, "ipv4"),
.ipv4 = qemu_opt_get_bool(opts, "ipv4", 0),
.has_ipv6 = qemu_opt_get(opts, "ipv6"),
.ipv6 = qemu_opt_get_bool(opts, "ipv6", 0),
};
}
sock->addr = addr;
}
static void
char_socket_get_addr(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
SocketChardev *s = SOCKET_CHARDEV(obj);
visit_type_SocketAddress(v, name, &s->addr, errp);
}
int net_init_tap(QemuOpts *opts, const char *name, VLANState *vlan)
{
TAPState *s;
int fd, vnet_hdr = 0;
const char *model;
if (qemu_opt_get(opts, "fd")) {
if (qemu_opt_get(opts, "ifname") ||
qemu_opt_get(opts, "script") ||
qemu_opt_get(opts, "downscript") ||
qemu_opt_get(opts, "vnet_hdr") ||
qemu_opt_get(opts, "helper")) {
error_report("ifname=, script=, downscript=, vnet_hdr=, "
"and helper= are invalid with fd=");
return -1;
}
fd = net_handle_fd_param(cur_mon, qemu_opt_get(opts, "fd"));
if (fd == -1) {
return -1;
}
fcntl(fd, F_SETFL, O_NONBLOCK);
vnet_hdr = tap_probe_vnet_hdr(fd);
model = "tap";
} else if (qemu_opt_get(opts, "helper")) {
if (qemu_opt_get(opts, "ifname") ||
qemu_opt_get(opts, "script") ||
qemu_opt_get(opts, "downscript") ||
qemu_opt_get(opts, "vnet_hdr")) {
error_report("ifname=, script=, downscript=, and vnet_hdr= "
"are invalid with helper=");
return -1;
}
fd = net_bridge_run_helper(qemu_opt_get(opts, "helper"),
DEFAULT_BRIDGE_INTERFACE);
if (fd == -1) {
return -1;
}
fcntl(fd, F_SETFL, O_NONBLOCK);
vnet_hdr = tap_probe_vnet_hdr(fd);
model = "bridge";
} else {
if (!qemu_opt_get(opts, "script")) {
qemu_opt_set(opts, "script", DEFAULT_NETWORK_SCRIPT);
}
if (!qemu_opt_get(opts, "downscript")) {
qemu_opt_set(opts, "downscript", DEFAULT_NETWORK_DOWN_SCRIPT);
}
fd = net_tap_init(opts, &vnet_hdr);
if (fd == -1) {
return -1;
}
model = "tap";
}
s = net_tap_fd_init(vlan, model, name, fd, vnet_hdr);
if (!s) {
close(fd);
return -1;
}
if (tap_set_sndbuf(s->fd, opts) < 0) {
return -1;
}
if (qemu_opt_get(opts, "fd")) {
snprintf(s->nc.info_str, sizeof(s->nc.info_str), "fd=%d", fd);
} else if (qemu_opt_get(opts, "helper")) {
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
"helper=%s", qemu_opt_get(opts, "helper"));
} else {
const char *ifname, *script, *downscript;
ifname = qemu_opt_get(opts, "ifname");
script = qemu_opt_get(opts, "script");
downscript = qemu_opt_get(opts, "downscript");
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
"ifname=%s,script=%s,downscript=%s",
ifname, script, downscript);
if (strcmp(downscript, "no") != 0) {
snprintf(s->down_script, sizeof(s->down_script), "%s", downscript);
snprintf(s->down_script_arg, sizeof(s->down_script_arg), "%s", ifname);
}
}
if (qemu_opt_get_bool(opts, "vhost", !!qemu_opt_get(opts, "vhostfd") ||
qemu_opt_get_bool(opts, "vhostforce", false))) {
int vhostfd, r;
bool force = qemu_opt_get_bool(opts, "vhostforce", false);
if (qemu_opt_get(opts, "vhostfd")) {
r = net_handle_fd_param(cur_mon, qemu_opt_get(opts, "vhostfd"));
if (r == -1) {
return -1;
}
vhostfd = r;
} else {
vhostfd = -1;
}
s->vhost_net = vhost_net_init(&s->nc, vhostfd, force);
if (!s->vhost_net) {
error_report("vhost-net requested but could not be initialized");
return -1;
}
} else if (qemu_opt_get(opts, "vhostfd")) {
error_report("vhostfd= is not valid without vhost");
return -1;
}
return 0;
}
