diff options
Diffstat (limited to 'chardev/char.c')
| -rw-r--r-- | chardev/char.c | 979 |
1 files changed, 1 insertions, 978 deletions
diff --git a/chardev/char.c b/chardev/char.c index 8393bb0294..73b6663aa4 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -93,71 +93,6 @@ #include "char-win-stdio.h" #endif -#define TCP_MAX_FDS 16 - -/***********************************************************/ -/* Socket address helpers */ - -static char *SocketAddress_to_str(const char *prefix, SocketAddress *addr, - bool is_listen, bool is_telnet) -{ - switch (addr->type) { - case SOCKET_ADDRESS_KIND_INET: - return g_strdup_printf("%s%s:%s:%s%s", prefix, - is_telnet ? "telnet" : "tcp", - addr->u.inet.data->host, - addr->u.inet.data->port, - is_listen ? ",server" : ""); - break; - case SOCKET_ADDRESS_KIND_UNIX: - return g_strdup_printf("%sunix:%s%s", prefix, - addr->u.q_unix.data->path, - is_listen ? ",server" : ""); - break; - case SOCKET_ADDRESS_KIND_FD: - return g_strdup_printf("%sfd:%s%s", prefix, addr->u.fd.data->str, - is_listen ? ",server" : ""); - break; - default: - abort(); - } -} - -static char *sockaddr_to_str(struct sockaddr_storage *ss, socklen_t ss_len, - struct sockaddr_storage *ps, socklen_t ps_len, - bool is_listen, bool is_telnet) -{ - char shost[NI_MAXHOST], sserv[NI_MAXSERV]; - char phost[NI_MAXHOST], pserv[NI_MAXSERV]; - const char *left = "", *right = ""; - - switch (ss->ss_family) { -#ifndef _WIN32 - case AF_UNIX: - return g_strdup_printf("unix:%s%s", - ((struct sockaddr_un *)(ss))->sun_path, - is_listen ? ",server" : ""); -#endif - case AF_INET6: - left = "["; - right = "]"; - /* fall through */ - case AF_INET: - getnameinfo((struct sockaddr *) ss, ss_len, shost, sizeof(shost), - sserv, sizeof(sserv), NI_NUMERICHOST | NI_NUMERICSERV); - getnameinfo((struct sockaddr *) ps, ps_len, phost, sizeof(phost), - pserv, sizeof(pserv), NI_NUMERICHOST | NI_NUMERICSERV); - return g_strdup_printf("%s:%s%s%s:%s%s <-> %s%s%s:%s", - is_telnet ? "telnet" : "tcp", - left, shost, right, sserv, - is_listen ? ",server" : "", - left, phost, right, pserv); - - default: - return g_strdup_printf("unknown"); - } -} - /***********************************************************/ /* character device */ @@ -1672,640 +1607,7 @@ static void char_udp_finalize(Object *obj) qemu_chr_be_event(chr, CHR_EVENT_CLOSED); } -/***********************************************************/ -/* TCP Net console */ - -typedef struct { - Chardev parent; - QIOChannel *ioc; /* Client I/O channel */ - QIOChannelSocket *sioc; /* Client master channel */ - QIOChannelSocket *listen_ioc; - guint listen_tag; - QCryptoTLSCreds *tls_creds; - int connected; - int max_size; - int do_telnetopt; - int do_nodelay; - int is_unix; - int *read_msgfds; - size_t read_msgfds_num; - int *write_msgfds; - size_t write_msgfds_num; - - SocketAddress *addr; - bool is_listen; - bool is_telnet; - - guint reconnect_timer; - int64_t reconnect_time; - bool connect_err_reported; -} SocketChardev; - -#define SOCKET_CHARDEV(obj) \ - OBJECT_CHECK(SocketChardev, (obj), TYPE_CHARDEV_SOCKET) - -static gboolean socket_reconnect_timeout(gpointer opaque); - -static void qemu_chr_socket_restart_timer(Chardev *chr) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - char *name; - - assert(s->connected == 0); - s->reconnect_timer = g_timeout_add_seconds(s->reconnect_time, - socket_reconnect_timeout, chr); - name = g_strdup_printf("chardev-socket-reconnect-%s", chr->label); - g_source_set_name_by_id(s->reconnect_timer, name); - g_free(name); -} - -static void check_report_connect_error(Chardev *chr, - Error *err) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - - if (!s->connect_err_reported) { - error_report("Unable to connect character device %s: %s", - chr->label, error_get_pretty(err)); - s->connect_err_reported = true; - } - qemu_chr_socket_restart_timer(chr); -} - -static gboolean tcp_chr_accept(QIOChannel *chan, - GIOCondition cond, - void *opaque); - -/* Called with chr_write_lock held. */ -static int tcp_chr_write(Chardev *chr, const uint8_t *buf, int len) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - - if (s->connected) { - int ret = io_channel_send_full(s->ioc, buf, len, - s->write_msgfds, - s->write_msgfds_num); - - /* free the written msgfds, no matter what */ - if (s->write_msgfds_num) { - g_free(s->write_msgfds); - s->write_msgfds = 0; - s->write_msgfds_num = 0; - } - - return ret; - } else { - /* XXX: indicate an error ? */ - return len; - } -} - -static int tcp_chr_read_poll(void *opaque) -{ - Chardev *chr = CHARDEV(opaque); - SocketChardev *s = SOCKET_CHARDEV(opaque); - if (!s->connected) - return 0; - s->max_size = qemu_chr_be_can_write(chr); - return s->max_size; -} - -#define IAC 255 -#define IAC_BREAK 243 -static void tcp_chr_process_IAC_bytes(Chardev *chr, - SocketChardev *s, - uint8_t *buf, int *size) -{ - /* Handle any telnet client's basic IAC options to satisfy char by - * char mode with no echo. All IAC options will be removed from - * the buf and the do_telnetopt variable will be used to track the - * state of the width of the IAC information. - * - * IAC commands come in sets of 3 bytes with the exception of the - * "IAC BREAK" command and the double IAC. - */ - - int i; - int j = 0; - - for (i = 0; i < *size; i++) { - if (s->do_telnetopt > 1) { - if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { - /* Double IAC means send an IAC */ - if (j != i) - buf[j] = buf[i]; - j++; - s->do_telnetopt = 1; - } else { - if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { - /* Handle IAC break commands by sending a serial break */ - qemu_chr_be_event(chr, CHR_EVENT_BREAK); - s->do_telnetopt++; - } - s->do_telnetopt++; - } - if (s->do_telnetopt >= 4) { - s->do_telnetopt = 1; - } - } else { - if ((unsigned char)buf[i] == IAC) { - s->do_telnetopt = 2; - } else { - if (j != i) - buf[j] = buf[i]; - j++; - } - } - } - *size = j; -} - -static int tcp_get_msgfds(Chardev *chr, int *fds, int num) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - - int to_copy = (s->read_msgfds_num < num) ? s->read_msgfds_num : num; - - assert(num <= TCP_MAX_FDS); - - if (to_copy) { - int i; - - memcpy(fds, s->read_msgfds, to_copy * sizeof(int)); - - /* Close unused fds */ - for (i = to_copy; i < s->read_msgfds_num; i++) { - close(s->read_msgfds[i]); - } - - g_free(s->read_msgfds); - s->read_msgfds = 0; - s->read_msgfds_num = 0; - } - - return to_copy; -} - -static int tcp_set_msgfds(Chardev *chr, int *fds, int num) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - - /* clear old pending fd array */ - g_free(s->write_msgfds); - s->write_msgfds = NULL; - s->write_msgfds_num = 0; - - if (!s->connected || - !qio_channel_has_feature(s->ioc, - QIO_CHANNEL_FEATURE_FD_PASS)) { - return -1; - } - - if (num) { - s->write_msgfds = g_new(int, num); - memcpy(s->write_msgfds, fds, num * sizeof(int)); - } - - s->write_msgfds_num = num; - - return 0; -} - -static ssize_t tcp_chr_recv(Chardev *chr, char *buf, size_t len) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - struct iovec iov = { .iov_base = buf, .iov_len = len }; - int ret; - size_t i; - int *msgfds = NULL; - size_t msgfds_num = 0; - - if (qio_channel_has_feature(s->ioc, QIO_CHANNEL_FEATURE_FD_PASS)) { - ret = qio_channel_readv_full(s->ioc, &iov, 1, - &msgfds, &msgfds_num, - NULL); - } else { - ret = qio_channel_readv_full(s->ioc, &iov, 1, - NULL, NULL, - NULL); - } - - if (ret == QIO_CHANNEL_ERR_BLOCK) { - errno = EAGAIN; - ret = -1; - } else if (ret == -1) { - errno = EIO; - } - - if (msgfds_num) { - /* close and clean read_msgfds */ - for (i = 0; i < s->read_msgfds_num; i++) { - close(s->read_msgfds[i]); - } - - if (s->read_msgfds_num) { - g_free(s->read_msgfds); - } - - s->read_msgfds = msgfds; - s->read_msgfds_num = msgfds_num; - } - - for (i = 0; i < s->read_msgfds_num; i++) { - int fd = s->read_msgfds[i]; - if (fd < 0) { - continue; - } - - /* O_NONBLOCK is preserved across SCM_RIGHTS so reset it */ - qemu_set_block(fd); - -#ifndef MSG_CMSG_CLOEXEC - qemu_set_cloexec(fd); -#endif - } - - return ret; -} - -static GSource *tcp_chr_add_watch(Chardev *chr, GIOCondition cond) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - return qio_channel_create_watch(s->ioc, cond); -} - -static void tcp_chr_free_connection(Chardev *chr) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - int i; - - if (!s->connected) { - return; - } - - if (s->read_msgfds_num) { - for (i = 0; i < s->read_msgfds_num; i++) { - close(s->read_msgfds[i]); - } - g_free(s->read_msgfds); - s->read_msgfds = NULL; - s->read_msgfds_num = 0; - } - - tcp_set_msgfds(chr, NULL, 0); - remove_fd_in_watch(chr); - object_unref(OBJECT(s->sioc)); - s->sioc = NULL; - object_unref(OBJECT(s->ioc)); - s->ioc = NULL; - g_free(chr->filename); - chr->filename = NULL; - s->connected = 0; -} - -static void tcp_chr_disconnect(Chardev *chr) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - - if (!s->connected) { - return; - } - - tcp_chr_free_connection(chr); - - if (s->listen_ioc) { - s->listen_tag = qio_channel_add_watch( - QIO_CHANNEL(s->listen_ioc), G_IO_IN, tcp_chr_accept, chr, NULL); - } - chr->filename = SocketAddress_to_str("disconnected:", s->addr, - s->is_listen, s->is_telnet); - qemu_chr_be_event(chr, CHR_EVENT_CLOSED); - if (s->reconnect_time) { - qemu_chr_socket_restart_timer(chr); - } -} - -static gboolean tcp_chr_read(QIOChannel *chan, GIOCondition cond, void *opaque) -{ - Chardev *chr = CHARDEV(opaque); - SocketChardev *s = SOCKET_CHARDEV(opaque); - uint8_t buf[CHR_READ_BUF_LEN]; - int len, size; - - if (!s->connected || s->max_size <= 0) { - return TRUE; - } - len = sizeof(buf); - if (len > s->max_size) - len = s->max_size; - size = tcp_chr_recv(chr, (void *)buf, len); - if (size == 0 || size == -1) { - /* connection closed */ - tcp_chr_disconnect(chr); - } else if (size > 0) { - if (s->do_telnetopt) - tcp_chr_process_IAC_bytes(chr, s, buf, &size); - if (size > 0) - qemu_chr_be_write(chr, buf, size); - } - - return TRUE; -} - -static int tcp_chr_sync_read(Chardev *chr, const uint8_t *buf, int len) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - int size; - - if (!s->connected) { - return 0; - } - - size = tcp_chr_recv(chr, (void *) buf, len); - if (size == 0) { - /* connection closed */ - tcp_chr_disconnect(chr); - } - - return size; -} - -static void tcp_chr_connect(void *opaque) -{ - Chardev *chr = CHARDEV(opaque); - SocketChardev *s = SOCKET_CHARDEV(opaque); - - g_free(chr->filename); - chr->filename = sockaddr_to_str( - &s->sioc->localAddr, s->sioc->localAddrLen, - &s->sioc->remoteAddr, s->sioc->remoteAddrLen, - s->is_listen, s->is_telnet); - - s->connected = 1; - if (s->ioc) { - chr->fd_in_tag = io_add_watch_poll(chr, s->ioc, - tcp_chr_read_poll, - tcp_chr_read, - chr, NULL); - } - qemu_chr_be_generic_open(chr); -} - -static void tcp_chr_update_read_handler(Chardev *chr, - GMainContext *context) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - - if (!s->connected) { - return; - } - - remove_fd_in_watch(chr); - if (s->ioc) { - chr->fd_in_tag = io_add_watch_poll(chr, s->ioc, - tcp_chr_read_poll, - tcp_chr_read, chr, - context); - } -} - -typedef struct { - Chardev *chr; - char buf[12]; - size_t buflen; -} TCPChardevTelnetInit; - -static gboolean tcp_chr_telnet_init_io(QIOChannel *ioc, - GIOCondition cond G_GNUC_UNUSED, - gpointer user_data) -{ - TCPChardevTelnetInit *init = user_data; - ssize_t ret; - - ret = qio_channel_write(ioc, init->buf, init->buflen, NULL); - if (ret < 0) { - if (ret == QIO_CHANNEL_ERR_BLOCK) { - ret = 0; - } else { - tcp_chr_disconnect(init->chr); - return FALSE; - } - } - init->buflen -= ret; - - if (init->buflen == 0) { - tcp_chr_connect(init->chr); - return FALSE; - } - - memmove(init->buf, init->buf + ret, init->buflen); - - return TRUE; -} - -static void tcp_chr_telnet_init(Chardev *chr) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - TCPChardevTelnetInit *init = g_new0(TCPChardevTelnetInit, 1); - size_t n = 0; - - init->chr = chr; - init->buflen = 12; - -#define IACSET(x, a, b, c) \ - do { \ - x[n++] = a; \ - x[n++] = b; \ - x[n++] = c; \ - } while (0) - - /* Prep the telnet negotion to put telnet in binary, - * no echo, single char mode */ - IACSET(init->buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ - IACSET(init->buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ - IACSET(init->buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ - IACSET(init->buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ - -#undef IACSET - - qio_channel_add_watch( - s->ioc, G_IO_OUT, - tcp_chr_telnet_init_io, - init, NULL); -} - - -static void tcp_chr_tls_handshake(QIOTask *task, - gpointer user_data) -{ - Chardev *chr = user_data; - SocketChardev *s = user_data; - - if (qio_task_propagate_error(task, NULL)) { - tcp_chr_disconnect(chr); - } else { - if (s->do_telnetopt) { - tcp_chr_telnet_init(chr); - } else { - tcp_chr_connect(chr); - } - } -} - - -static void tcp_chr_tls_init(Chardev *chr) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - QIOChannelTLS *tioc; - Error *err = NULL; - gchar *name; - - if (s->is_listen) { - tioc = qio_channel_tls_new_server( - s->ioc, s->tls_creds, - NULL, /* XXX Use an ACL */ - &err); - } else { - tioc = qio_channel_tls_new_client( - s->ioc, s->tls_creds, - s->addr->u.inet.data->host, - &err); - } - if (tioc == NULL) { - error_free(err); - tcp_chr_disconnect(chr); - return; - } - name = g_strdup_printf("chardev-tls-%s-%s", - s->is_listen ? "server" : "client", - chr->label); - qio_channel_set_name(QIO_CHANNEL(tioc), name); - g_free(name); - object_unref(OBJECT(s->ioc)); - s->ioc = QIO_CHANNEL(tioc); - - qio_channel_tls_handshake(tioc, - tcp_chr_tls_handshake, - chr, - NULL); -} - - -static void tcp_chr_set_client_ioc_name(Chardev *chr, - QIOChannelSocket *sioc) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - char *name; - name = g_strdup_printf("chardev-tcp-%s-%s", - s->is_listen ? "server" : "client", - chr->label); - qio_channel_set_name(QIO_CHANNEL(sioc), name); - g_free(name); - -} - -static int tcp_chr_new_client(Chardev *chr, QIOChannelSocket *sioc) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - - if (s->ioc != NULL) { - return -1; - } - - s->ioc = QIO_CHANNEL(sioc); - object_ref(OBJECT(sioc)); - s->sioc = sioc; - object_ref(OBJECT(sioc)); - - qio_channel_set_blocking(s->ioc, false, NULL); - - if (s->do_nodelay) { - qio_channel_set_delay(s->ioc, false); - } - if (s->listen_tag) { - g_source_remove(s->listen_tag); - s->listen_tag = 0; - } - - if (s->tls_creds) { - tcp_chr_tls_init(chr); - } else { - if (s->do_telnetopt) { - tcp_chr_telnet_init(chr); - } else { - tcp_chr_connect(chr); - } - } - - return 0; -} - - -static int tcp_chr_add_client(Chardev *chr, int fd) -{ - int ret; - QIOChannelSocket *sioc; - - sioc = qio_channel_socket_new_fd(fd, NULL); - if (!sioc) { - return -1; - } - tcp_chr_set_client_ioc_name(chr, sioc); - ret = tcp_chr_new_client(chr, sioc); - object_unref(OBJECT(sioc)); - return ret; -} - -static gboolean tcp_chr_accept(QIOChannel *channel, - GIOCondition cond, - void *opaque) -{ - Chardev *chr = CHARDEV(opaque); - QIOChannelSocket *sioc; - - sioc = qio_channel_socket_accept(QIO_CHANNEL_SOCKET(channel), - NULL); - if (!sioc) { - return TRUE; - } - - tcp_chr_new_client(chr, sioc); - - object_unref(OBJECT(sioc)); - - return TRUE; -} - -static int tcp_chr_wait_connected(Chardev *chr, Error **errp) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - QIOChannelSocket *sioc; - - /* It can't wait on s->connected, since it is set asynchronously - * in TLS and telnet cases, only wait for an accepted socket */ - while (!s->ioc) { - if (s->is_listen) { - error_report("QEMU waiting for connection on: %s", - chr->filename); - qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), true, NULL); - tcp_chr_accept(QIO_CHANNEL(s->listen_ioc), G_IO_IN, chr); - qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), false, NULL); - } else { - sioc = qio_channel_socket_new(); - tcp_chr_set_client_ioc_name(chr, sioc); - if (qio_channel_socket_connect_sync(sioc, s->addr, errp) < 0) { - object_unref(OBJECT(sioc)); - return -1; - } - tcp_chr_new_client(chr, sioc); - object_unref(OBJECT(sioc)); - } - } - - return 0; -} - -static int qemu_chr_wait_connected(Chardev *chr, Error **errp) +int qemu_chr_wait_connected(Chardev *chr, Error **errp) { ChardevClass *cc = CHARDEV_GET_CLASS(chr); @@ -2326,54 +1628,6 @@ int qemu_chr_fe_wait_connected(CharBackend *be, Error **errp) return qemu_chr_wait_connected(be->chr, errp); } -static void char_socket_finalize(Object *obj) -{ - Chardev *chr = CHARDEV(obj); - SocketChardev *s = SOCKET_CHARDEV(obj); - - tcp_chr_free_connection(chr); - - if (s->reconnect_timer) { - g_source_remove(s->reconnect_timer); - s->reconnect_timer = 0; - } - qapi_free_SocketAddress(s->addr); - if (s->listen_tag) { - g_source_remove(s->listen_tag); - s->listen_tag = 0; - } - if (s->listen_ioc) { - object_unref(OBJECT(s->listen_ioc)); - } - if (s->tls_creds) { - object_unref(OBJECT(s->tls_creds)); - } - - qemu_chr_be_event(chr, CHR_EVENT_CLOSED); -} - - -static void qemu_chr_socket_connected(QIOTask *task, void *opaque) -{ - QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(qio_task_get_source(task)); - Chardev *chr = CHARDEV(opaque); - SocketChardev *s = SOCKET_CHARDEV(chr); - Error *err = NULL; - - if (qio_task_propagate_error(task, &err)) { - check_report_connect_error(chr, err); - error_free(err); - goto cleanup; - } - - s->connect_err_reported = false; - tcp_chr_new_client(chr, sioc); - - cleanup: - object_unref(OBJECT(sioc)); -} - - QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename) { char host[65], port[33], width[8], height[8]; @@ -2651,76 +1905,6 @@ static const TypeInfo char_pipe_type_info = { .class_init = char_pipe_class_init, }; -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 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"); - SocketAddress *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_wait = true; - sock->wait = is_waitconnect; - sock->has_reconnect = true; - sock->reconnect = reconnect; - sock->tls_creds = g_strdup(tls_creds); - - addr = g_new0(SocketAddress, 1); - if (path) { - UnixSocketAddress *q_unix; - addr->type = SOCKET_ADDRESS_KIND_UNIX; - q_unix = addr->u.q_unix.data = g_new0(UnixSocketAddress, 1); - q_unix->path = g_strdup(path); - } else { - addr->type = SOCKET_ADDRESS_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 qemu_chr_parse_udp(QemuOpts *opts, ChardevBackend *backend, Error **errp) { @@ -3426,166 +2610,6 @@ static const TypeInfo char_serial_type_info = { }; #endif -static gboolean socket_reconnect_timeout(gpointer opaque) -{ - Chardev *chr = CHARDEV(opaque); - SocketChardev *s = SOCKET_CHARDEV(opaque); - QIOChannelSocket *sioc; - - s->reconnect_timer = 0; - - if (chr->be_open) { - return false; - } - - sioc = qio_channel_socket_new(); - tcp_chr_set_client_ioc_name(chr, sioc); - qio_channel_socket_connect_async(sioc, s->addr, - qemu_chr_socket_connected, - chr, NULL); - - return false; -} - -static void qmp_chardev_open_socket(Chardev *chr, - ChardevBackend *backend, - bool *be_opened, - Error **errp) -{ - SocketChardev *s = SOCKET_CHARDEV(chr); - ChardevSocket *sock = backend->u.socket.data; - SocketAddress *addr = sock->addr; - bool do_nodelay = sock->has_nodelay ? sock->nodelay : false; - bool is_listen = sock->has_server ? sock->server : true; - bool is_telnet = sock->has_telnet ? sock->telnet : false; - bool is_waitconnect = sock->has_wait ? sock->wait : false; - int64_t reconnect = sock->has_reconnect ? sock->reconnect : 0; - QIOChannelSocket *sioc = NULL; - - s->is_unix = addr->type == SOCKET_ADDRESS_KIND_UNIX; - s->is_listen = is_listen; - s->is_telnet = is_telnet; - s->do_nodelay = do_nodelay; - if (sock->tls_creds) { - Object *creds; - creds = object_resolve_path_component( - object_get_objects_root(), sock->tls_creds); - if (!creds) { - error_setg(errp, "No TLS credentials with id '%s'", - sock->tls_creds); - goto error; - } - s->tls_creds = (QCryptoTLSCreds *) - object_dynamic_cast(creds, - TYPE_QCRYPTO_TLS_CREDS); - if (!s->tls_creds) { - error_setg(errp, "Object with id '%s' is not TLS credentials", - sock->tls_creds); - goto error; - } - object_ref(OBJECT(s->tls_creds)); - if (is_listen) { - if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) { - error_setg(errp, "%s", - "Expected TLS credentials for server endpoint"); - goto error; - } - } else { - if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT) { - error_setg(errp, "%s", - "Expected TLS credentials for client endpoint"); - goto error; - } - } - } - - s->addr = QAPI_CLONE(SocketAddress, sock->addr); - - qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_RECONNECTABLE); - if (s->is_unix) { - qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_FD_PASS); - } - - /* be isn't opened until we get a connection */ - *be_opened = false; - - chr->filename = SocketAddress_to_str("disconnected:", - addr, is_listen, is_telnet); - - if (is_listen) { - if (is_telnet) { - s->do_telnetopt = 1; - } - } else if (reconnect > 0) { - s->reconnect_time = reconnect; - } - - if (s->reconnect_time) { - sioc = qio_channel_socket_new(); - tcp_chr_set_client_ioc_name(chr, sioc); - qio_channel_socket_connect_async(sioc, s->addr, - qemu_chr_socket_connected, - chr, NULL); - } else { - if (s->is_listen) { - char *name; - sioc = qio_channel_socket_new(); - - name = g_strdup_printf("chardev-tcp-listener-%s", chr->label); - qio_channel_set_name(QIO_CHANNEL(sioc), name); - g_free(name); - - if (qio_channel_socket_listen_sync(sioc, s->addr, errp) < 0) { - goto error; - } - s->listen_ioc = sioc; - if (is_waitconnect && - qemu_chr_wait_connected(chr, errp) < 0) { - return; - } - if (!s->ioc) { - s->listen_tag = qio_channel_add_watch( - QIO_CHANNEL(s->listen_ioc), G_IO_IN, - tcp_chr_accept, chr, NULL); - } - } else if (qemu_chr_wait_connected(chr, errp) < 0) { - goto error; - } - } - - return; - -error: - if (sioc) { - object_unref(OBJECT(sioc)); - } -} - -static void char_socket_class_init(ObjectClass *oc, void *data) -{ - ChardevClass *cc = CHARDEV_CLASS(oc); - - cc->parse = qemu_chr_parse_socket; - cc->open = qmp_chardev_open_socket; - cc->chr_wait_connected = tcp_chr_wait_connected; - cc->chr_write = tcp_chr_write; - cc->chr_sync_read = tcp_chr_sync_read; - cc->chr_disconnect = tcp_chr_disconnect; - cc->get_msgfds = tcp_get_msgfds; - cc->set_msgfds = tcp_set_msgfds; - cc->chr_add_client = tcp_chr_add_client; - cc->chr_add_watch = tcp_chr_add_watch; - cc->chr_update_read_handler = tcp_chr_update_read_handler; -} - -static const TypeInfo char_socket_type_info = { - .name = TYPE_CHARDEV_SOCKET, - .parent = TYPE_CHARDEV, - .instance_size = sizeof(SocketChardev), - .instance_finalize = char_socket_finalize, - .class_init = char_socket_class_init, -}; - static void qmp_chardev_open_udp(Chardev *chr, ChardevBackend *backend, bool *be_opened, @@ -3731,7 +2755,6 @@ void qemu_chr_cleanup(void) static void register_types(void) { type_register_static(&char_type_info); - type_register_static(&char_socket_type_info); type_register_static(&char_udp_type_info); type_register_static(&char_file_type_info); type_register_static(&char_stdio_type_info); |