1baacf047SPaolo Bonzini /* 2baacf047SPaolo Bonzini * inet and unix socket functions for qemu 3baacf047SPaolo Bonzini * 4baacf047SPaolo Bonzini * (c) 2008 Gerd Hoffmann <kraxel@redhat.com> 5baacf047SPaolo Bonzini * 6baacf047SPaolo Bonzini * This program is free software; you can redistribute it and/or modify 7baacf047SPaolo Bonzini * it under the terms of the GNU General Public License as published by 8baacf047SPaolo Bonzini * the Free Software Foundation; under version 2 of the License. 9baacf047SPaolo Bonzini * 10baacf047SPaolo Bonzini * This program is distributed in the hope that it will be useful, 11baacf047SPaolo Bonzini * but WITHOUT ANY WARRANTY; without even the implied warranty of 12baacf047SPaolo Bonzini * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13baacf047SPaolo Bonzini * GNU General Public License for more details. 14baacf047SPaolo Bonzini * 15baacf047SPaolo Bonzini * Contributions after 2012-01-13 are licensed under the terms of the 16baacf047SPaolo Bonzini * GNU GPL, version 2 or (at your option) any later version. 17baacf047SPaolo Bonzini */ 18aafd7584SPeter Maydell #include "qemu/osdep.h" 19baacf047SPaolo Bonzini 206a02c806SStefan Hajnoczi #ifdef CONFIG_AF_VSOCK 216a02c806SStefan Hajnoczi #include <linux/vm_sockets.h> 226a02c806SStefan Hajnoczi #endif /* CONFIG_AF_VSOCK */ 236a02c806SStefan Hajnoczi 24baacf047SPaolo Bonzini #include "monitor/monitor.h" 25bd269ebcSMarkus Armbruster #include "qapi/clone-visitor.h" 26da34e65cSMarkus Armbruster #include "qapi/error.h" 279af23989SMarkus Armbruster #include "qapi/qapi-visit-sockets.h" 28baacf047SPaolo Bonzini #include "qemu/sockets.h" 29baacf047SPaolo Bonzini #include "qemu/main-loop.h" 30b3db211fSDaniel P. Berrange #include "qapi/qobject-input-visitor.h" 31b3db211fSDaniel P. Berrange #include "qapi/qobject-output-visitor.h" 32f348b6d1SVeronia Bahaa #include "qemu/cutils.h" 33e5b6353cSJuan Quintela #include "trace.h" 34baacf047SPaolo Bonzini 35baacf047SPaolo Bonzini #ifndef AI_ADDRCONFIG 36baacf047SPaolo Bonzini # define AI_ADDRCONFIG 0 37baacf047SPaolo Bonzini #endif 38340849a9SDaniel P. Berrange 393de3d698SWolfgang Bumiller #ifndef AI_V4MAPPED 403de3d698SWolfgang Bumiller # define AI_V4MAPPED 0 413de3d698SWolfgang Bumiller #endif 42baacf047SPaolo Bonzini 436979a813SDaniel P. Berrange #ifndef AI_NUMERICSERV 446979a813SDaniel P. Berrange # define AI_NUMERICSERV 0 456979a813SDaniel P. Berrange #endif 466979a813SDaniel P. Berrange 47baacf047SPaolo Bonzini 48baacf047SPaolo Bonzini static int inet_getport(struct addrinfo *e) 49baacf047SPaolo Bonzini { 50baacf047SPaolo Bonzini struct sockaddr_in *i4; 51baacf047SPaolo Bonzini struct sockaddr_in6 *i6; 52baacf047SPaolo Bonzini 53baacf047SPaolo Bonzini switch (e->ai_family) { 54baacf047SPaolo Bonzini case PF_INET6: 55baacf047SPaolo Bonzini i6 = (void*)e->ai_addr; 56baacf047SPaolo Bonzini return ntohs(i6->sin6_port); 57baacf047SPaolo Bonzini case PF_INET: 58baacf047SPaolo Bonzini i4 = (void*)e->ai_addr; 59baacf047SPaolo Bonzini return ntohs(i4->sin_port); 60baacf047SPaolo Bonzini default: 61baacf047SPaolo Bonzini return 0; 62baacf047SPaolo Bonzini } 63baacf047SPaolo Bonzini } 64baacf047SPaolo Bonzini 65baacf047SPaolo Bonzini static void inet_setport(struct addrinfo *e, int port) 66baacf047SPaolo Bonzini { 67baacf047SPaolo Bonzini struct sockaddr_in *i4; 68baacf047SPaolo Bonzini struct sockaddr_in6 *i6; 69baacf047SPaolo Bonzini 70baacf047SPaolo Bonzini switch (e->ai_family) { 71baacf047SPaolo Bonzini case PF_INET6: 72baacf047SPaolo Bonzini i6 = (void*)e->ai_addr; 73baacf047SPaolo Bonzini i6->sin6_port = htons(port); 74baacf047SPaolo Bonzini break; 75baacf047SPaolo Bonzini case PF_INET: 76baacf047SPaolo Bonzini i4 = (void*)e->ai_addr; 77baacf047SPaolo Bonzini i4->sin_port = htons(port); 78baacf047SPaolo Bonzini break; 79baacf047SPaolo Bonzini } 80baacf047SPaolo Bonzini } 81baacf047SPaolo Bonzini 82a589569fSWenchao Xia NetworkAddressFamily inet_netfamily(int family) 83a589569fSWenchao Xia { 84a589569fSWenchao Xia switch (family) { 85a589569fSWenchao Xia case PF_INET6: return NETWORK_ADDRESS_FAMILY_IPV6; 86a589569fSWenchao Xia case PF_INET: return NETWORK_ADDRESS_FAMILY_IPV4; 87a589569fSWenchao Xia case PF_UNIX: return NETWORK_ADDRESS_FAMILY_UNIX; 886a02c806SStefan Hajnoczi #ifdef CONFIG_AF_VSOCK 896a02c806SStefan Hajnoczi case PF_VSOCK: return NETWORK_ADDRESS_FAMILY_VSOCK; 906a02c806SStefan Hajnoczi #endif /* CONFIG_AF_VSOCK */ 91a589569fSWenchao Xia } 92a589569fSWenchao Xia return NETWORK_ADDRESS_FAMILY_UNKNOWN; 93a589569fSWenchao Xia } 94a589569fSWenchao Xia 9558dc31f1SDaniel P. Berrange bool fd_is_socket(int fd) 9658dc31f1SDaniel P. Berrange { 9758dc31f1SDaniel P. Berrange int optval; 9858dc31f1SDaniel P. Berrange socklen_t optlen = sizeof(optval); 99e7b79428SMarc-André Lureau return !getsockopt(fd, SOL_SOCKET, SO_TYPE, &optval, &optlen); 10058dc31f1SDaniel P. Berrange } 10158dc31f1SDaniel P. Berrange 10258dc31f1SDaniel P. Berrange 1031856835dSDaniel P. Berrange /* 1041856835dSDaniel P. Berrange * Matrix we're trying to apply 1051856835dSDaniel P. Berrange * 1061856835dSDaniel P. Berrange * ipv4 ipv6 family 1071856835dSDaniel P. Berrange * - - PF_UNSPEC 1081856835dSDaniel P. Berrange * - f PF_INET 1091856835dSDaniel P. Berrange * - t PF_INET6 1101856835dSDaniel P. Berrange * f - PF_INET6 1111856835dSDaniel P. Berrange * f f <error> 1121856835dSDaniel P. Berrange * f t PF_INET6 1131856835dSDaniel P. Berrange * t - PF_INET 1141856835dSDaniel P. Berrange * t f PF_INET 11594bc0d19SDaniel P. Berrange * t t PF_INET6/PF_UNSPEC 1161856835dSDaniel P. Berrange * 117d43eda3dSWei Jiangang * NB, this matrix is only about getting the necessary results 1181856835dSDaniel P. Berrange * from getaddrinfo(). Some of the cases require further work 1191856835dSDaniel P. Berrange * after reading results from getaddrinfo in order to fully 12094bc0d19SDaniel P. Berrange * apply the logic the end user wants. 12194bc0d19SDaniel P. Berrange * 12294bc0d19SDaniel P. Berrange * In the first and last cases, we must set IPV6_V6ONLY=0 12394bc0d19SDaniel P. Berrange * when binding, to allow a single listener to potentially 12494bc0d19SDaniel P. Berrange * accept both IPv4+6 addresses. 1251856835dSDaniel P. Berrange */ 126c1b412f1SDaniel P. Berrange int inet_ai_family_from_address(InetSocketAddress *addr, 1271856835dSDaniel P. Berrange Error **errp) 1281856835dSDaniel P. Berrange { 1291856835dSDaniel P. Berrange if (addr->has_ipv6 && addr->has_ipv4 && 1301856835dSDaniel P. Berrange !addr->ipv6 && !addr->ipv4) { 1311856835dSDaniel P. Berrange error_setg(errp, "Cannot disable IPv4 and IPv6 at same time"); 1321856835dSDaniel P. Berrange return PF_UNSPEC; 1331856835dSDaniel P. Berrange } 13494bc0d19SDaniel P. Berrange if ((addr->has_ipv6 && addr->ipv6) && (addr->has_ipv4 && addr->ipv4)) { 13594bc0d19SDaniel P. Berrange /* 13694bc0d19SDaniel P. Berrange * Some backends can only do a single listener. In that case 13794bc0d19SDaniel P. Berrange * we want empty hostname to resolve to "::" and then use the 13894bc0d19SDaniel P. Berrange * flag IPV6_V6ONLY==0 to get both protocols on 1 socket. This 13994bc0d19SDaniel P. Berrange * doesn't work for addresses other than "", so they're just 14094bc0d19SDaniel P. Berrange * inevitably broken until multiple listeners can be used, 14194bc0d19SDaniel P. Berrange * and thus we honour getaddrinfo automatic protocol detection 14294bc0d19SDaniel P. Berrange * Once all backends do multi-listener, remove the PF_INET6 14394bc0d19SDaniel P. Berrange * branch entirely. 14494bc0d19SDaniel P. Berrange */ 14594bc0d19SDaniel P. Berrange if (!addr->host || g_str_equal(addr->host, "")) { 14694bc0d19SDaniel P. Berrange return PF_INET6; 14794bc0d19SDaniel P. Berrange } else { 14894bc0d19SDaniel P. Berrange return PF_UNSPEC; 14994bc0d19SDaniel P. Berrange } 15094bc0d19SDaniel P. Berrange } 1511856835dSDaniel P. Berrange if ((addr->has_ipv6 && addr->ipv6) || (addr->has_ipv4 && !addr->ipv4)) { 1521856835dSDaniel P. Berrange return PF_INET6; 1531856835dSDaniel P. Berrange } 1541856835dSDaniel P. Berrange if ((addr->has_ipv4 && addr->ipv4) || (addr->has_ipv6 && !addr->ipv6)) { 1551856835dSDaniel P. Berrange return PF_INET; 1561856835dSDaniel P. Berrange } 1571856835dSDaniel P. Berrange return PF_UNSPEC; 1581856835dSDaniel P. Berrange } 1591856835dSDaniel P. Berrange 16039f80521SKnut Omang static int create_fast_reuse_socket(struct addrinfo *e) 16139f80521SKnut Omang { 16239f80521SKnut Omang int slisten = qemu_socket(e->ai_family, e->ai_socktype, e->ai_protocol); 16339f80521SKnut Omang if (slisten < 0) { 16439f80521SKnut Omang return -1; 16539f80521SKnut Omang } 16639f80521SKnut Omang socket_set_fast_reuse(slisten); 16739f80521SKnut Omang return slisten; 16839f80521SKnut Omang } 16939f80521SKnut Omang 17089382c3dSKnut Omang static int try_bind(int socket, InetSocketAddress *saddr, struct addrinfo *e) 17189382c3dSKnut Omang { 17289382c3dSKnut Omang #ifndef IPV6_V6ONLY 17389382c3dSKnut Omang return bind(socket, e->ai_addr, e->ai_addrlen); 17489382c3dSKnut Omang #else 17589382c3dSKnut Omang /* 17689382c3dSKnut Omang * Deals with first & last cases in matrix in comment 17789382c3dSKnut Omang * for inet_ai_family_from_address(). 17889382c3dSKnut Omang */ 17989382c3dSKnut Omang int v6only = 18089382c3dSKnut Omang ((!saddr->has_ipv4 && !saddr->has_ipv6) || 18189382c3dSKnut Omang (saddr->has_ipv4 && saddr->ipv4 && 18289382c3dSKnut Omang saddr->has_ipv6 && saddr->ipv6)) ? 0 : 1; 18389382c3dSKnut Omang int stat; 18489382c3dSKnut Omang 18589382c3dSKnut Omang rebind: 18689382c3dSKnut Omang if (e->ai_family == PF_INET6) { 187e7b79428SMarc-André Lureau setsockopt(socket, IPPROTO_IPV6, IPV6_V6ONLY, &v6only, 18889382c3dSKnut Omang sizeof(v6only)); 18989382c3dSKnut Omang } 19089382c3dSKnut Omang 19189382c3dSKnut Omang stat = bind(socket, e->ai_addr, e->ai_addrlen); 19289382c3dSKnut Omang if (!stat) { 19389382c3dSKnut Omang return 0; 19489382c3dSKnut Omang } 19589382c3dSKnut Omang 19689382c3dSKnut Omang /* If we got EADDRINUSE from an IPv6 bind & v6only is unset, 19789382c3dSKnut Omang * it could be that the IPv4 port is already claimed, so retry 19889382c3dSKnut Omang * with v6only set 19989382c3dSKnut Omang */ 20089382c3dSKnut Omang if (e->ai_family == PF_INET6 && errno == EADDRINUSE && !v6only) { 20189382c3dSKnut Omang v6only = 1; 20289382c3dSKnut Omang goto rebind; 20389382c3dSKnut Omang } 20489382c3dSKnut Omang return stat; 20589382c3dSKnut Omang #endif 20689382c3dSKnut Omang } 20789382c3dSKnut Omang 2081856835dSDaniel P. Berrange static int inet_listen_saddr(InetSocketAddress *saddr, 2091856835dSDaniel P. Berrange int port_offset, 210e5b6353cSJuan Quintela int num, 2111856835dSDaniel P. Berrange Error **errp) 212baacf047SPaolo Bonzini { 213*f560eb1fSMarkus Armbruster ERRP_GUARD(); 214baacf047SPaolo Bonzini struct addrinfo ai, *res, *e; 215baacf047SPaolo Bonzini char port[33]; 216baacf047SPaolo Bonzini char uaddr[INET6_ADDRSTRLEN+1]; 217baacf047SPaolo Bonzini char uport[33]; 2189cf961bbSKnut Omang int rc, port_min, port_max, p; 21910a7b7e6SDaniel P. Berrange int slisten = -1; 2209cf961bbSKnut Omang int saved_errno = 0; 2219cf961bbSKnut Omang bool socket_created = false; 222baacf047SPaolo Bonzini 223aec21d31SVladimir Sementsov-Ogievskiy if (saddr->keep_alive) { 224aec21d31SVladimir Sementsov-Ogievskiy error_setg(errp, "keep-alive option is not supported for passive " 225aec21d31SVladimir Sementsov-Ogievskiy "sockets"); 226aec21d31SVladimir Sementsov-Ogievskiy return -1; 227aec21d31SVladimir Sementsov-Ogievskiy } 228aec21d31SVladimir Sementsov-Ogievskiy 229baacf047SPaolo Bonzini memset(&ai,0, sizeof(ai)); 2303de3d698SWolfgang Bumiller ai.ai_flags = AI_PASSIVE; 2316979a813SDaniel P. Berrange if (saddr->has_numeric && saddr->numeric) { 2326979a813SDaniel P. Berrange ai.ai_flags |= AI_NUMERICHOST | AI_NUMERICSERV; 2336979a813SDaniel P. Berrange } 234baacf047SPaolo Bonzini ai.ai_socktype = SOCK_STREAM; 235*f560eb1fSMarkus Armbruster ai.ai_family = inet_ai_family_from_address(saddr, errp); 236*f560eb1fSMarkus Armbruster if (*errp) { 2371856835dSDaniel P. Berrange return -1; 2381856835dSDaniel P. Berrange } 2391856835dSDaniel P. Berrange 2401856835dSDaniel P. Berrange if (saddr->host == NULL) { 2410983f5e6SDaniel P. Berrange error_setg(errp, "host not specified"); 242baacf047SPaolo Bonzini return -1; 243baacf047SPaolo Bonzini } 2441856835dSDaniel P. Berrange if (saddr->port != NULL) { 2451856835dSDaniel P. Berrange pstrcpy(port, sizeof(port), saddr->port); 2460983f5e6SDaniel P. Berrange } else { 2470983f5e6SDaniel P. Berrange port[0] = '\0'; 2480983f5e6SDaniel P. Berrange } 249baacf047SPaolo Bonzini 250baacf047SPaolo Bonzini /* lookup */ 2518bc89127SGerd Hoffmann if (port_offset) { 2528bc89127SGerd Hoffmann unsigned long long baseport; 2530983f5e6SDaniel P. Berrange if (strlen(port) == 0) { 2540983f5e6SDaniel P. Berrange error_setg(errp, "port not specified"); 2550983f5e6SDaniel P. Berrange return -1; 2560983f5e6SDaniel P. Berrange } 2578bc89127SGerd Hoffmann if (parse_uint_full(port, &baseport, 10) < 0) { 2588bc89127SGerd Hoffmann error_setg(errp, "can't convert to a number: %s", port); 2598bc89127SGerd Hoffmann return -1; 2608bc89127SGerd Hoffmann } 2618bc89127SGerd Hoffmann if (baseport > 65535 || 2628bc89127SGerd Hoffmann baseport + port_offset > 65535) { 2638bc89127SGerd Hoffmann error_setg(errp, "port %s out of range", port); 2648bc89127SGerd Hoffmann return -1; 2658bc89127SGerd Hoffmann } 2668bc89127SGerd Hoffmann snprintf(port, sizeof(port), "%d", (int)baseport + port_offset); 2678bc89127SGerd Hoffmann } 2681856835dSDaniel P. Berrange rc = getaddrinfo(strlen(saddr->host) ? saddr->host : NULL, 2690983f5e6SDaniel P. Berrange strlen(port) ? port : NULL, &ai, &res); 270baacf047SPaolo Bonzini if (rc != 0) { 2711856835dSDaniel P. Berrange error_setg(errp, "address resolution failed for %s:%s: %s", 2721856835dSDaniel P. Berrange saddr->host, port, gai_strerror(rc)); 273baacf047SPaolo Bonzini return -1; 274baacf047SPaolo Bonzini } 275baacf047SPaolo Bonzini 2769cf961bbSKnut Omang /* create socket + bind/listen */ 277baacf047SPaolo Bonzini for (e = res; e != NULL; e = e->ai_next) { 278653163fcSMarc-André Lureau #ifdef HAVE_IPPROTO_MPTCP 2798bd1078aSDr. David Alan Gilbert if (saddr->has_mptcp && saddr->mptcp) { 2808bd1078aSDr. David Alan Gilbert e->ai_protocol = IPPROTO_MPTCP; 2818bd1078aSDr. David Alan Gilbert } 2828bd1078aSDr. David Alan Gilbert #endif 283baacf047SPaolo Bonzini getnameinfo((struct sockaddr*)e->ai_addr,e->ai_addrlen, 284baacf047SPaolo Bonzini uaddr,INET6_ADDRSTRLEN,uport,32, 285baacf047SPaolo Bonzini NI_NUMERICHOST | NI_NUMERICSERV); 28639f80521SKnut Omang 287baacf047SPaolo Bonzini port_min = inet_getport(e); 2881856835dSDaniel P. Berrange port_max = saddr->has_to ? saddr->to + port_offset : port_min; 289baacf047SPaolo Bonzini for (p = port_min; p <= port_max; p++) { 290baacf047SPaolo Bonzini inet_setport(e, p); 29110a7b7e6SDaniel P. Berrange 29210a7b7e6SDaniel P. Berrange slisten = create_fast_reuse_socket(e); 29310a7b7e6SDaniel P. Berrange if (slisten < 0) { 29410a7b7e6SDaniel P. Berrange /* First time we expect we might fail to create the socket 29510a7b7e6SDaniel P. Berrange * eg if 'e' has AF_INET6 but ipv6 kmod is not loaded. 29610a7b7e6SDaniel P. Berrange * Later iterations should always succeed if first iteration 29710a7b7e6SDaniel P. Berrange * worked though, so treat that as fatal. 29810a7b7e6SDaniel P. Berrange */ 29910a7b7e6SDaniel P. Berrange if (p == port_min) { 3009cf961bbSKnut Omang continue; 3019cf961bbSKnut Omang } else { 30210a7b7e6SDaniel P. Berrange error_setg_errno(errp, errno, 30310a7b7e6SDaniel P. Berrange "Failed to recreate failed listening socket"); 3049cf961bbSKnut Omang goto listen_failed; 3059cf961bbSKnut Omang } 3069cf961bbSKnut Omang } 30710a7b7e6SDaniel P. Berrange socket_created = true; 30810a7b7e6SDaniel P. Berrange 30910a7b7e6SDaniel P. Berrange rc = try_bind(slisten, saddr, e); 31010a7b7e6SDaniel P. Berrange if (rc < 0) { 31110a7b7e6SDaniel P. Berrange if (errno != EADDRINUSE) { 31210a7b7e6SDaniel P. Berrange error_setg_errno(errp, errno, "Failed to bind socket"); 31310a7b7e6SDaniel P. Berrange goto listen_failed; 31410a7b7e6SDaniel P. Berrange } 31510a7b7e6SDaniel P. Berrange } else { 316e5b6353cSJuan Quintela if (!listen(slisten, num)) { 3179cf961bbSKnut Omang goto listen_ok; 3189cf961bbSKnut Omang } 3199cf961bbSKnut Omang if (errno != EADDRINUSE) { 3209cf961bbSKnut Omang error_setg_errno(errp, errno, "Failed to listen on socket"); 3219cf961bbSKnut Omang goto listen_failed; 3229cf961bbSKnut Omang } 32310a7b7e6SDaniel P. Berrange } 3249cf961bbSKnut Omang /* Someone else managed to bind to the same port and beat us 3259cf961bbSKnut Omang * to listen on it! Socket semantics does not allow us to 3269cf961bbSKnut Omang * recover from this situation, so we need to recreate the 3279cf961bbSKnut Omang * socket to allow bind attempts for subsequent ports: 3289cf961bbSKnut Omang */ 3299cf961bbSKnut Omang closesocket(slisten); 33010a7b7e6SDaniel P. Berrange slisten = -1; 331baacf047SPaolo Bonzini } 332baacf047SPaolo Bonzini } 3339cf961bbSKnut Omang error_setg_errno(errp, errno, 3349cf961bbSKnut Omang socket_created ? 3359cf961bbSKnut Omang "Failed to find an available port" : 3369cf961bbSKnut Omang "Failed to create a socket"); 3379cf961bbSKnut Omang listen_failed: 3389cf961bbSKnut Omang saved_errno = errno; 3399cf961bbSKnut Omang if (slisten >= 0) { 340baacf047SPaolo Bonzini closesocket(slisten); 341baacf047SPaolo Bonzini } 342baacf047SPaolo Bonzini freeaddrinfo(res); 3439cf961bbSKnut Omang errno = saved_errno; 344baacf047SPaolo Bonzini return -1; 345baacf047SPaolo Bonzini 3469cf961bbSKnut Omang listen_ok: 347baacf047SPaolo Bonzini freeaddrinfo(res); 348baacf047SPaolo Bonzini return slisten; 349baacf047SPaolo Bonzini } 350baacf047SPaolo Bonzini 351baacf047SPaolo Bonzini #ifdef _WIN32 352baacf047SPaolo Bonzini #define QEMU_SOCKET_RC_INPROGRESS(rc) \ 353baacf047SPaolo Bonzini ((rc) == -EINPROGRESS || (rc) == -EWOULDBLOCK || (rc) == -WSAEALREADY) 354baacf047SPaolo Bonzini #else 355baacf047SPaolo Bonzini #define QEMU_SOCKET_RC_INPROGRESS(rc) \ 356baacf047SPaolo Bonzini ((rc) == -EINPROGRESS) 357baacf047SPaolo Bonzini #endif 358baacf047SPaolo Bonzini 359dfc00eb7SDaniel P. Berrangé static int inet_connect_addr(const InetSocketAddress *saddr, 360dfc00eb7SDaniel P. Berrangé struct addrinfo *addr, Error **errp) 361baacf047SPaolo Bonzini { 362baacf047SPaolo Bonzini int sock, rc; 363baacf047SPaolo Bonzini 364baacf047SPaolo Bonzini sock = qemu_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol); 365baacf047SPaolo Bonzini if (sock < 0) { 366dfc00eb7SDaniel P. Berrangé error_setg_errno(errp, errno, "Failed to create socket family %d", 367dfc00eb7SDaniel P. Berrangé addr->ai_family); 368baacf047SPaolo Bonzini return -1; 369baacf047SPaolo Bonzini } 37004fd1c78SSebastian Ottlik socket_set_fast_reuse(sock); 371b2587932SCao jin 372baacf047SPaolo Bonzini /* connect to peer */ 373baacf047SPaolo Bonzini do { 374baacf047SPaolo Bonzini rc = 0; 375baacf047SPaolo Bonzini if (connect(sock, addr->ai_addr, addr->ai_addrlen) < 0) { 376b16a44e1SDaniel P. Berrange rc = -errno; 377baacf047SPaolo Bonzini } 378baacf047SPaolo Bonzini } while (rc == -EINTR); 379baacf047SPaolo Bonzini 380b2587932SCao jin if (rc < 0) { 381dfc00eb7SDaniel P. Berrangé error_setg_errno(errp, errno, "Failed to connect to '%s:%s'", 382dfc00eb7SDaniel P. Berrangé saddr->host, saddr->port); 383baacf047SPaolo Bonzini closesocket(sock); 384baacf047SPaolo Bonzini return -1; 385baacf047SPaolo Bonzini } 386b2587932SCao jin 387baacf047SPaolo Bonzini return sock; 388baacf047SPaolo Bonzini } 389baacf047SPaolo Bonzini 3902942e420SDaniel P. Berrange static struct addrinfo *inet_parse_connect_saddr(InetSocketAddress *saddr, 3912942e420SDaniel P. Berrange Error **errp) 392baacf047SPaolo Bonzini { 393*f560eb1fSMarkus Armbruster ERRP_GUARD(); 394baacf047SPaolo Bonzini struct addrinfo ai, *res; 395baacf047SPaolo Bonzini int rc; 396340849a9SDaniel P. Berrange static int useV4Mapped = 1; 397baacf047SPaolo Bonzini 398baacf047SPaolo Bonzini memset(&ai, 0, sizeof(ai)); 399baacf047SPaolo Bonzini 400340849a9SDaniel P. Berrange ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG; 401d73415a3SStefan Hajnoczi if (qatomic_read(&useV4Mapped)) { 402340849a9SDaniel P. Berrange ai.ai_flags |= AI_V4MAPPED; 403340849a9SDaniel P. Berrange } 404baacf047SPaolo Bonzini ai.ai_socktype = SOCK_STREAM; 405*f560eb1fSMarkus Armbruster ai.ai_family = inet_ai_family_from_address(saddr, errp); 406*f560eb1fSMarkus Armbruster if (*errp) { 4072942e420SDaniel P. Berrange return NULL; 4082942e420SDaniel P. Berrange } 4092942e420SDaniel P. Berrange 4102942e420SDaniel P. Berrange if (saddr->host == NULL || saddr->port == NULL) { 411baacf047SPaolo Bonzini error_setg(errp, "host and/or port not specified"); 412baacf047SPaolo Bonzini return NULL; 413baacf047SPaolo Bonzini } 414baacf047SPaolo Bonzini 415baacf047SPaolo Bonzini /* lookup */ 4162942e420SDaniel P. Berrange rc = getaddrinfo(saddr->host, saddr->port, &ai, &res); 417340849a9SDaniel P. Berrange 418340849a9SDaniel P. Berrange /* At least FreeBSD and OS-X 10.6 declare AI_V4MAPPED but 419340849a9SDaniel P. Berrange * then don't implement it in their getaddrinfo(). Detect 4208cc360b9Szhaolichang * this and retry without the flag since that's preferable 421340849a9SDaniel P. Berrange * to a fatal error 422340849a9SDaniel P. Berrange */ 423340849a9SDaniel P. Berrange if (rc == EAI_BADFLAGS && 424340849a9SDaniel P. Berrange (ai.ai_flags & AI_V4MAPPED)) { 425d73415a3SStefan Hajnoczi qatomic_set(&useV4Mapped, 0); 426340849a9SDaniel P. Berrange ai.ai_flags &= ~AI_V4MAPPED; 427340849a9SDaniel P. Berrange rc = getaddrinfo(saddr->host, saddr->port, &ai, &res); 428340849a9SDaniel P. Berrange } 429baacf047SPaolo Bonzini if (rc != 0) { 4302942e420SDaniel P. Berrange error_setg(errp, "address resolution failed for %s:%s: %s", 4312942e420SDaniel P. Berrange saddr->host, saddr->port, gai_strerror(rc)); 432baacf047SPaolo Bonzini return NULL; 433baacf047SPaolo Bonzini } 434baacf047SPaolo Bonzini return res; 435baacf047SPaolo Bonzini } 436baacf047SPaolo Bonzini 437baacf047SPaolo Bonzini /** 438baacf047SPaolo Bonzini * Create a socket and connect it to an address. 439baacf047SPaolo Bonzini * 4402942e420SDaniel P. Berrange * @saddr: Inet socket address specification 441baacf047SPaolo Bonzini * @errp: set on error 442baacf047SPaolo Bonzini * 443baacf047SPaolo Bonzini * Returns: -1 on error, file descriptor on success. 444baacf047SPaolo Bonzini */ 445b2587932SCao jin int inet_connect_saddr(InetSocketAddress *saddr, Error **errp) 446baacf047SPaolo Bonzini { 4473f9286b7SMarkus Armbruster Error *local_err = NULL; 448baacf047SPaolo Bonzini struct addrinfo *res, *e; 449baacf047SPaolo Bonzini int sock = -1; 450baacf047SPaolo Bonzini 4512942e420SDaniel P. Berrange res = inet_parse_connect_saddr(saddr, errp); 452baacf047SPaolo Bonzini if (!res) { 453baacf047SPaolo Bonzini return -1; 454baacf047SPaolo Bonzini } 455baacf047SPaolo Bonzini 456baacf047SPaolo Bonzini for (e = res; e != NULL; e = e->ai_next) { 4573f9286b7SMarkus Armbruster error_free(local_err); 4583f9286b7SMarkus Armbruster local_err = NULL; 4598bd1078aSDr. David Alan Gilbert 460653163fcSMarc-André Lureau #ifdef HAVE_IPPROTO_MPTCP 4618bd1078aSDr. David Alan Gilbert if (saddr->has_mptcp && saddr->mptcp) { 4628bd1078aSDr. David Alan Gilbert e->ai_protocol = IPPROTO_MPTCP; 4638bd1078aSDr. David Alan Gilbert } 4648bd1078aSDr. David Alan Gilbert #endif 4658bd1078aSDr. David Alan Gilbert 466dfc00eb7SDaniel P. Berrangé sock = inet_connect_addr(saddr, e, &local_err); 4673f9286b7SMarkus Armbruster if (sock >= 0) { 468baacf047SPaolo Bonzini break; 469baacf047SPaolo Bonzini } 470baacf047SPaolo Bonzini } 4713f9286b7SMarkus Armbruster 472da5e1169SVladimir Sementsov-Ogievskiy freeaddrinfo(res); 473da5e1169SVladimir Sementsov-Ogievskiy 4743f9286b7SMarkus Armbruster if (sock < 0) { 4753f9286b7SMarkus Armbruster error_propagate(errp, local_err); 476da5e1169SVladimir Sementsov-Ogievskiy return sock; 4773f9286b7SMarkus Armbruster } 478b2587932SCao jin 479aec21d31SVladimir Sementsov-Ogievskiy if (saddr->keep_alive) { 480aec21d31SVladimir Sementsov-Ogievskiy int val = 1; 481e7b79428SMarc-André Lureau int ret = setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, 482aec21d31SVladimir Sementsov-Ogievskiy &val, sizeof(val)); 483aec21d31SVladimir Sementsov-Ogievskiy 484aec21d31SVladimir Sementsov-Ogievskiy if (ret < 0) { 485aec21d31SVladimir Sementsov-Ogievskiy error_setg_errno(errp, errno, "Unable to set KEEPALIVE"); 486e3fdb13eSBin Meng closesocket(sock); 487aec21d31SVladimir Sementsov-Ogievskiy return -1; 488aec21d31SVladimir Sementsov-Ogievskiy } 489aec21d31SVladimir Sementsov-Ogievskiy } 490aec21d31SVladimir Sementsov-Ogievskiy 491baacf047SPaolo Bonzini return sock; 492baacf047SPaolo Bonzini } 493baacf047SPaolo Bonzini 4948b39910eSDaniel P. Berrange static int inet_dgram_saddr(InetSocketAddress *sraddr, 4958b39910eSDaniel P. Berrange InetSocketAddress *sladdr, 4968b39910eSDaniel P. Berrange Error **errp) 497baacf047SPaolo Bonzini { 498*f560eb1fSMarkus Armbruster ERRP_GUARD(); 499baacf047SPaolo Bonzini struct addrinfo ai, *peer = NULL, *local = NULL; 500baacf047SPaolo Bonzini const char *addr; 501baacf047SPaolo Bonzini const char *port; 502baacf047SPaolo Bonzini int sock = -1, rc; 503baacf047SPaolo Bonzini 504baacf047SPaolo Bonzini /* lookup peer addr */ 505baacf047SPaolo Bonzini memset(&ai,0, sizeof(ai)); 5063de3d698SWolfgang Bumiller ai.ai_flags = AI_CANONNAME | AI_V4MAPPED | AI_ADDRCONFIG; 507baacf047SPaolo Bonzini ai.ai_socktype = SOCK_DGRAM; 508*f560eb1fSMarkus Armbruster ai.ai_family = inet_ai_family_from_address(sraddr, errp); 509*f560eb1fSMarkus Armbruster if (*errp) { 51058c652c0SPaolo Bonzini goto err; 5118b39910eSDaniel P. Berrange } 5128b39910eSDaniel P. Berrange 5138b39910eSDaniel P. Berrange addr = sraddr->host; 5148b39910eSDaniel P. Berrange port = sraddr->port; 515baacf047SPaolo Bonzini if (addr == NULL || strlen(addr) == 0) { 516baacf047SPaolo Bonzini addr = "localhost"; 517baacf047SPaolo Bonzini } 518baacf047SPaolo Bonzini if (port == NULL || strlen(port) == 0) { 519baacf047SPaolo Bonzini error_setg(errp, "remote port not specified"); 52058c652c0SPaolo Bonzini goto err; 521baacf047SPaolo Bonzini } 522baacf047SPaolo Bonzini 5239cd1883cSCao jin if ((rc = getaddrinfo(addr, port, &ai, &peer)) != 0) { 524baacf047SPaolo Bonzini error_setg(errp, "address resolution failed for %s:%s: %s", addr, port, 525baacf047SPaolo Bonzini gai_strerror(rc)); 52658c652c0SPaolo Bonzini goto err; 527baacf047SPaolo Bonzini } 528baacf047SPaolo Bonzini 529baacf047SPaolo Bonzini /* lookup local addr */ 530baacf047SPaolo Bonzini memset(&ai,0, sizeof(ai)); 531baacf047SPaolo Bonzini ai.ai_flags = AI_PASSIVE; 532baacf047SPaolo Bonzini ai.ai_family = peer->ai_family; 533baacf047SPaolo Bonzini ai.ai_socktype = SOCK_DGRAM; 534baacf047SPaolo Bonzini 5358b39910eSDaniel P. Berrange if (sladdr) { 5368b39910eSDaniel P. Berrange addr = sladdr->host; 5378b39910eSDaniel P. Berrange port = sladdr->port; 538baacf047SPaolo Bonzini if (addr == NULL || strlen(addr) == 0) { 539baacf047SPaolo Bonzini addr = NULL; 540baacf047SPaolo Bonzini } 5418b39910eSDaniel P. Berrange if (!port || strlen(port) == 0) { 542baacf047SPaolo Bonzini port = "0"; 5438b39910eSDaniel P. Berrange } 5448b39910eSDaniel P. Berrange } else { 5458b39910eSDaniel P. Berrange addr = NULL; 5468b39910eSDaniel P. Berrange port = "0"; 5478b39910eSDaniel P. Berrange } 548baacf047SPaolo Bonzini 5499cd1883cSCao jin if ((rc = getaddrinfo(addr, port, &ai, &local)) != 0) { 550baacf047SPaolo Bonzini error_setg(errp, "address resolution failed for %s:%s: %s", addr, port, 551baacf047SPaolo Bonzini gai_strerror(rc)); 552baacf047SPaolo Bonzini goto err; 553baacf047SPaolo Bonzini } 554baacf047SPaolo Bonzini 555baacf047SPaolo Bonzini /* create socket */ 556baacf047SPaolo Bonzini sock = qemu_socket(peer->ai_family, peer->ai_socktype, peer->ai_protocol); 557baacf047SPaolo Bonzini if (sock < 0) { 558dfc00eb7SDaniel P. Berrangé error_setg_errno(errp, errno, "Failed to create socket family %d", 559dfc00eb7SDaniel P. Berrangé peer->ai_family); 560baacf047SPaolo Bonzini goto err; 561baacf047SPaolo Bonzini } 56204fd1c78SSebastian Ottlik socket_set_fast_reuse(sock); 563baacf047SPaolo Bonzini 564baacf047SPaolo Bonzini /* bind socket */ 565baacf047SPaolo Bonzini if (bind(sock, local->ai_addr, local->ai_addrlen) < 0) { 566235256a2SMarkus Armbruster error_setg_errno(errp, errno, "Failed to bind socket"); 567baacf047SPaolo Bonzini goto err; 568baacf047SPaolo Bonzini } 569baacf047SPaolo Bonzini 570baacf047SPaolo Bonzini /* connect to peer */ 571baacf047SPaolo Bonzini if (connect(sock,peer->ai_addr,peer->ai_addrlen) < 0) { 572dfc00eb7SDaniel P. Berrangé error_setg_errno(errp, errno, "Failed to connect to '%s:%s'", 573dfc00eb7SDaniel P. Berrangé addr, port); 574baacf047SPaolo Bonzini goto err; 575baacf047SPaolo Bonzini } 576baacf047SPaolo Bonzini 577baacf047SPaolo Bonzini freeaddrinfo(local); 578baacf047SPaolo Bonzini freeaddrinfo(peer); 579baacf047SPaolo Bonzini return sock; 580baacf047SPaolo Bonzini 581baacf047SPaolo Bonzini err: 58226015051SCao jin if (sock != -1) { 583baacf047SPaolo Bonzini closesocket(sock); 58426015051SCao jin } 58526015051SCao jin if (local) { 586baacf047SPaolo Bonzini freeaddrinfo(local); 58726015051SCao jin } 58826015051SCao jin if (peer) { 589baacf047SPaolo Bonzini freeaddrinfo(peer); 59026015051SCao jin } 59126015051SCao jin 592baacf047SPaolo Bonzini return -1; 593baacf047SPaolo Bonzini } 594baacf047SPaolo Bonzini 595baacf047SPaolo Bonzini /* compatibility wrapper */ 5963e32370aSDaniel P. Berrange static int inet_parse_flag(const char *flagname, const char *optstr, bool *val, 5973e32370aSDaniel P. Berrange Error **errp) 5983e32370aSDaniel P. Berrange { 5993e32370aSDaniel P. Berrange char *end; 6003e32370aSDaniel P. Berrange size_t len; 6013e32370aSDaniel P. Berrange 6023e32370aSDaniel P. Berrange end = strstr(optstr, ","); 6033e32370aSDaniel P. Berrange if (end) { 6043e32370aSDaniel P. Berrange if (end[1] == ',') { /* Reject 'ipv6=on,,foo' */ 6053e32370aSDaniel P. Berrange error_setg(errp, "error parsing '%s' flag '%s'", flagname, optstr); 6063e32370aSDaniel P. Berrange return -1; 6073e32370aSDaniel P. Berrange } 6083e32370aSDaniel P. Berrange len = end - optstr; 6093e32370aSDaniel P. Berrange } else { 6103e32370aSDaniel P. Berrange len = strlen(optstr); 6113e32370aSDaniel P. Berrange } 6123e32370aSDaniel P. Berrange if (len == 0 || (len == 3 && strncmp(optstr, "=on", len) == 0)) { 6133e32370aSDaniel P. Berrange *val = true; 6143e32370aSDaniel P. Berrange } else if (len == 4 && strncmp(optstr, "=off", len) == 0) { 6153e32370aSDaniel P. Berrange *val = false; 6163e32370aSDaniel P. Berrange } else { 6173e32370aSDaniel P. Berrange error_setg(errp, "error parsing '%s' flag '%s'", flagname, optstr); 6183e32370aSDaniel P. Berrange return -1; 6193e32370aSDaniel P. Berrange } 6203e32370aSDaniel P. Berrange return 0; 6213e32370aSDaniel P. Berrange } 6223e32370aSDaniel P. Berrange 6230785bd7aSMarkus Armbruster int inet_parse(InetSocketAddress *addr, const char *str, Error **errp) 624baacf047SPaolo Bonzini { 625baacf047SPaolo Bonzini const char *optstr, *h; 62655a10996SKevin Wolf char host[65]; 627baacf047SPaolo Bonzini char port[33]; 628baacf047SPaolo Bonzini int to; 629baacf047SPaolo Bonzini int pos; 6303e32370aSDaniel P. Berrange char *begin; 631baacf047SPaolo Bonzini 6320785bd7aSMarkus Armbruster memset(addr, 0, sizeof(*addr)); 633baacf047SPaolo Bonzini 634baacf047SPaolo Bonzini /* parse address */ 635baacf047SPaolo Bonzini if (str[0] == ':') { 636baacf047SPaolo Bonzini /* no host given */ 637baacf047SPaolo Bonzini host[0] = '\0'; 6389cd1883cSCao jin if (sscanf(str, ":%32[^,]%n", port, &pos) != 1) { 639baacf047SPaolo Bonzini error_setg(errp, "error parsing port in address '%s'", str); 6400785bd7aSMarkus Armbruster return -1; 641baacf047SPaolo Bonzini } 642baacf047SPaolo Bonzini } else if (str[0] == '[') { 643baacf047SPaolo Bonzini /* IPv6 addr */ 6449cd1883cSCao jin if (sscanf(str, "[%64[^]]]:%32[^,]%n", host, port, &pos) != 2) { 645baacf047SPaolo Bonzini error_setg(errp, "error parsing IPv6 address '%s'", str); 6460785bd7aSMarkus Armbruster return -1; 647baacf047SPaolo Bonzini } 648baacf047SPaolo Bonzini } else { 649391b7b97SJán Tomko /* hostname or IPv4 addr */ 6509cd1883cSCao jin if (sscanf(str, "%64[^:]:%32[^,]%n", host, port, &pos) != 2) { 651baacf047SPaolo Bonzini error_setg(errp, "error parsing address '%s'", str); 6520785bd7aSMarkus Armbruster return -1; 653baacf047SPaolo Bonzini } 654baacf047SPaolo Bonzini } 655baacf047SPaolo Bonzini 656baacf047SPaolo Bonzini addr->host = g_strdup(host); 657baacf047SPaolo Bonzini addr->port = g_strdup(port); 658baacf047SPaolo Bonzini 659baacf047SPaolo Bonzini /* parse options */ 660baacf047SPaolo Bonzini optstr = str + pos; 661baacf047SPaolo Bonzini h = strstr(optstr, ",to="); 662baacf047SPaolo Bonzini if (h) { 663baacf047SPaolo Bonzini h += 4; 664baacf047SPaolo Bonzini if (sscanf(h, "%d%n", &to, &pos) != 1 || 665baacf047SPaolo Bonzini (h[pos] != '\0' && h[pos] != ',')) { 666baacf047SPaolo Bonzini error_setg(errp, "error parsing to= argument"); 6670785bd7aSMarkus Armbruster return -1; 668baacf047SPaolo Bonzini } 669baacf047SPaolo Bonzini addr->has_to = true; 670baacf047SPaolo Bonzini addr->to = to; 671baacf047SPaolo Bonzini } 6723e32370aSDaniel P. Berrange begin = strstr(optstr, ",ipv4"); 6733e32370aSDaniel P. Berrange if (begin) { 6743e32370aSDaniel P. Berrange if (inet_parse_flag("ipv4", begin + 5, &addr->ipv4, errp) < 0) { 6753e32370aSDaniel P. Berrange return -1; 676baacf047SPaolo Bonzini } 6773e32370aSDaniel P. Berrange addr->has_ipv4 = true; 6783e32370aSDaniel P. Berrange } 6793e32370aSDaniel P. Berrange begin = strstr(optstr, ",ipv6"); 6803e32370aSDaniel P. Berrange if (begin) { 6813e32370aSDaniel P. Berrange if (inet_parse_flag("ipv6", begin + 5, &addr->ipv6, errp) < 0) { 6823e32370aSDaniel P. Berrange return -1; 6833e32370aSDaniel P. Berrange } 6843e32370aSDaniel P. Berrange addr->has_ipv6 = true; 685baacf047SPaolo Bonzini } 686aec21d31SVladimir Sementsov-Ogievskiy begin = strstr(optstr, ",keep-alive"); 687aec21d31SVladimir Sementsov-Ogievskiy if (begin) { 688aec21d31SVladimir Sementsov-Ogievskiy if (inet_parse_flag("keep-alive", begin + strlen(",keep-alive"), 689aec21d31SVladimir Sementsov-Ogievskiy &addr->keep_alive, errp) < 0) 690aec21d31SVladimir Sementsov-Ogievskiy { 691aec21d31SVladimir Sementsov-Ogievskiy return -1; 692aec21d31SVladimir Sementsov-Ogievskiy } 693aec21d31SVladimir Sementsov-Ogievskiy addr->has_keep_alive = true; 694aec21d31SVladimir Sementsov-Ogievskiy } 695653163fcSMarc-André Lureau #ifdef HAVE_IPPROTO_MPTCP 6968bd1078aSDr. David Alan Gilbert begin = strstr(optstr, ",mptcp"); 6978bd1078aSDr. David Alan Gilbert if (begin) { 6988bd1078aSDr. David Alan Gilbert if (inet_parse_flag("mptcp", begin + strlen(",mptcp"), 6998bd1078aSDr. David Alan Gilbert &addr->mptcp, errp) < 0) 7008bd1078aSDr. David Alan Gilbert { 7018bd1078aSDr. David Alan Gilbert return -1; 7028bd1078aSDr. David Alan Gilbert } 7038bd1078aSDr. David Alan Gilbert addr->has_mptcp = true; 7048bd1078aSDr. David Alan Gilbert } 7058bd1078aSDr. David Alan Gilbert #endif 7060785bd7aSMarkus Armbruster return 0; 707baacf047SPaolo Bonzini } 708baacf047SPaolo Bonzini 709baacf047SPaolo Bonzini 710baacf047SPaolo Bonzini /** 711baacf047SPaolo Bonzini * Create a blocking socket and connect it to an address. 712baacf047SPaolo Bonzini * 713baacf047SPaolo Bonzini * @str: address string 714baacf047SPaolo Bonzini * @errp: set in case of an error 715baacf047SPaolo Bonzini * 716baacf047SPaolo Bonzini * Returns -1 in case of error, file descriptor on success 717baacf047SPaolo Bonzini **/ 718baacf047SPaolo Bonzini int inet_connect(const char *str, Error **errp) 719baacf047SPaolo Bonzini { 720baacf047SPaolo Bonzini int sock = -1; 7210785bd7aSMarkus Armbruster InetSocketAddress *addr = g_new(InetSocketAddress, 1); 722baacf047SPaolo Bonzini 7230785bd7aSMarkus Armbruster if (!inet_parse(addr, str, errp)) { 724b2587932SCao jin sock = inet_connect_saddr(addr, errp); 725baacf047SPaolo Bonzini } 7260785bd7aSMarkus Armbruster qapi_free_InetSocketAddress(addr); 727baacf047SPaolo Bonzini return sock; 728baacf047SPaolo Bonzini } 729baacf047SPaolo Bonzini 7306a02c806SStefan Hajnoczi #ifdef CONFIG_AF_VSOCK 7316a02c806SStefan Hajnoczi static bool vsock_parse_vaddr_to_sockaddr(const VsockSocketAddress *vaddr, 7326a02c806SStefan Hajnoczi struct sockaddr_vm *svm, 7336a02c806SStefan Hajnoczi Error **errp) 7346a02c806SStefan Hajnoczi { 7356a02c806SStefan Hajnoczi unsigned long long val; 7366a02c806SStefan Hajnoczi 7376a02c806SStefan Hajnoczi memset(svm, 0, sizeof(*svm)); 7386a02c806SStefan Hajnoczi svm->svm_family = AF_VSOCK; 7396a02c806SStefan Hajnoczi 7406a02c806SStefan Hajnoczi if (parse_uint_full(vaddr->cid, &val, 10) < 0 || 7416a02c806SStefan Hajnoczi val > UINT32_MAX) { 7426a02c806SStefan Hajnoczi error_setg(errp, "Failed to parse cid '%s'", vaddr->cid); 7436a02c806SStefan Hajnoczi return false; 7446a02c806SStefan Hajnoczi } 7456a02c806SStefan Hajnoczi svm->svm_cid = val; 7466a02c806SStefan Hajnoczi 7476a02c806SStefan Hajnoczi if (parse_uint_full(vaddr->port, &val, 10) < 0 || 7486a02c806SStefan Hajnoczi val > UINT32_MAX) { 7496a02c806SStefan Hajnoczi error_setg(errp, "Failed to parse port '%s'", vaddr->port); 7506a02c806SStefan Hajnoczi return false; 7516a02c806SStefan Hajnoczi } 7526a02c806SStefan Hajnoczi svm->svm_port = val; 7536a02c806SStefan Hajnoczi 7546a02c806SStefan Hajnoczi return true; 7556a02c806SStefan Hajnoczi } 7566a02c806SStefan Hajnoczi 757dfc00eb7SDaniel P. Berrangé static int vsock_connect_addr(const VsockSocketAddress *vaddr, 758dfc00eb7SDaniel P. Berrangé const struct sockaddr_vm *svm, Error **errp) 7596a02c806SStefan Hajnoczi { 7606a02c806SStefan Hajnoczi int sock, rc; 7616a02c806SStefan Hajnoczi 7626a02c806SStefan Hajnoczi sock = qemu_socket(AF_VSOCK, SOCK_STREAM, 0); 7636a02c806SStefan Hajnoczi if (sock < 0) { 764dfc00eb7SDaniel P. Berrangé error_setg_errno(errp, errno, "Failed to create socket family %d", 765dfc00eb7SDaniel P. Berrangé AF_VSOCK); 7666a02c806SStefan Hajnoczi return -1; 7676a02c806SStefan Hajnoczi } 768b2587932SCao jin 7696a02c806SStefan Hajnoczi /* connect to peer */ 7706a02c806SStefan Hajnoczi do { 7716a02c806SStefan Hajnoczi rc = 0; 7726a02c806SStefan Hajnoczi if (connect(sock, (const struct sockaddr *)svm, sizeof(*svm)) < 0) { 7736a02c806SStefan Hajnoczi rc = -errno; 7746a02c806SStefan Hajnoczi } 7756a02c806SStefan Hajnoczi } while (rc == -EINTR); 7766a02c806SStefan Hajnoczi 777b2587932SCao jin if (rc < 0) { 778dfc00eb7SDaniel P. Berrangé error_setg_errno(errp, errno, "Failed to connect to '%s:%s'", 779dfc00eb7SDaniel P. Berrangé vaddr->cid, vaddr->port); 7806a02c806SStefan Hajnoczi closesocket(sock); 7816a02c806SStefan Hajnoczi return -1; 7826a02c806SStefan Hajnoczi } 783b2587932SCao jin 7846a02c806SStefan Hajnoczi return sock; 7856a02c806SStefan Hajnoczi } 7866a02c806SStefan Hajnoczi 787b2587932SCao jin static int vsock_connect_saddr(VsockSocketAddress *vaddr, Error **errp) 7886a02c806SStefan Hajnoczi { 7896a02c806SStefan Hajnoczi struct sockaddr_vm svm; 7906a02c806SStefan Hajnoczi 7916a02c806SStefan Hajnoczi if (!vsock_parse_vaddr_to_sockaddr(vaddr, &svm, errp)) { 7926a02c806SStefan Hajnoczi return -1; 7936a02c806SStefan Hajnoczi } 7946a02c806SStefan Hajnoczi 795dfc00eb7SDaniel P. Berrangé return vsock_connect_addr(vaddr, &svm, errp); 7966a02c806SStefan Hajnoczi } 7976a02c806SStefan Hajnoczi 7986a02c806SStefan Hajnoczi static int vsock_listen_saddr(VsockSocketAddress *vaddr, 799e5b6353cSJuan Quintela int num, 8006a02c806SStefan Hajnoczi Error **errp) 8016a02c806SStefan Hajnoczi { 8026a02c806SStefan Hajnoczi struct sockaddr_vm svm; 8036a02c806SStefan Hajnoczi int slisten; 8046a02c806SStefan Hajnoczi 8056a02c806SStefan Hajnoczi if (!vsock_parse_vaddr_to_sockaddr(vaddr, &svm, errp)) { 8066a02c806SStefan Hajnoczi return -1; 8076a02c806SStefan Hajnoczi } 8086a02c806SStefan Hajnoczi 8096a02c806SStefan Hajnoczi slisten = qemu_socket(AF_VSOCK, SOCK_STREAM, 0); 8106a02c806SStefan Hajnoczi if (slisten < 0) { 8116a02c806SStefan Hajnoczi error_setg_errno(errp, errno, "Failed to create socket"); 8126a02c806SStefan Hajnoczi return -1; 8136a02c806SStefan Hajnoczi } 8146a02c806SStefan Hajnoczi 8156a02c806SStefan Hajnoczi if (bind(slisten, (const struct sockaddr *)&svm, sizeof(svm)) != 0) { 8166a02c806SStefan Hajnoczi error_setg_errno(errp, errno, "Failed to bind socket"); 8176a02c806SStefan Hajnoczi closesocket(slisten); 8186a02c806SStefan Hajnoczi return -1; 8196a02c806SStefan Hajnoczi } 8206a02c806SStefan Hajnoczi 821e5b6353cSJuan Quintela if (listen(slisten, num) != 0) { 8226a02c806SStefan Hajnoczi error_setg_errno(errp, errno, "Failed to listen on socket"); 8236a02c806SStefan Hajnoczi closesocket(slisten); 8246a02c806SStefan Hajnoczi return -1; 8256a02c806SStefan Hajnoczi } 8266a02c806SStefan Hajnoczi return slisten; 8276a02c806SStefan Hajnoczi } 8286a02c806SStefan Hajnoczi 8294db5c619SMarkus Armbruster static int vsock_parse(VsockSocketAddress *addr, const char *str, 8304db5c619SMarkus Armbruster Error **errp) 8316a02c806SStefan Hajnoczi { 8326a02c806SStefan Hajnoczi char cid[33]; 8336a02c806SStefan Hajnoczi char port[33]; 8346a02c806SStefan Hajnoczi int n; 8356a02c806SStefan Hajnoczi 8366a02c806SStefan Hajnoczi if (sscanf(str, "%32[^:]:%32[^,]%n", cid, port, &n) != 2) { 8376a02c806SStefan Hajnoczi error_setg(errp, "error parsing address '%s'", str); 8384db5c619SMarkus Armbruster return -1; 8396a02c806SStefan Hajnoczi } 8406a02c806SStefan Hajnoczi if (str[n] != '\0') { 8416a02c806SStefan Hajnoczi error_setg(errp, "trailing characters in address '%s'", str); 8424db5c619SMarkus Armbruster return -1; 8436a02c806SStefan Hajnoczi } 8446a02c806SStefan Hajnoczi 8456a02c806SStefan Hajnoczi addr->cid = g_strdup(cid); 8466a02c806SStefan Hajnoczi addr->port = g_strdup(port); 8474db5c619SMarkus Armbruster return 0; 8486a02c806SStefan Hajnoczi } 8496a02c806SStefan Hajnoczi #else 8506a02c806SStefan Hajnoczi static void vsock_unsupported(Error **errp) 8516a02c806SStefan Hajnoczi { 8526a02c806SStefan Hajnoczi error_setg(errp, "socket family AF_VSOCK unsupported"); 8536a02c806SStefan Hajnoczi } 8546a02c806SStefan Hajnoczi 855b2587932SCao jin static int vsock_connect_saddr(VsockSocketAddress *vaddr, Error **errp) 8566a02c806SStefan Hajnoczi { 8576a02c806SStefan Hajnoczi vsock_unsupported(errp); 8586a02c806SStefan Hajnoczi return -1; 8596a02c806SStefan Hajnoczi } 8606a02c806SStefan Hajnoczi 8616a02c806SStefan Hajnoczi static int vsock_listen_saddr(VsockSocketAddress *vaddr, 862e5b6353cSJuan Quintela int num, 8636a02c806SStefan Hajnoczi Error **errp) 8646a02c806SStefan Hajnoczi { 8656a02c806SStefan Hajnoczi vsock_unsupported(errp); 8666a02c806SStefan Hajnoczi return -1; 8676a02c806SStefan Hajnoczi } 8686a02c806SStefan Hajnoczi 8694db5c619SMarkus Armbruster static int vsock_parse(VsockSocketAddress *addr, const char *str, 8704db5c619SMarkus Armbruster Error **errp) 8716a02c806SStefan Hajnoczi { 8726a02c806SStefan Hajnoczi vsock_unsupported(errp); 8734db5c619SMarkus Armbruster return -1; 8746a02c806SStefan Hajnoczi } 8756a02c806SStefan Hajnoczi #endif /* CONFIG_AF_VSOCK */ 8766a02c806SStefan Hajnoczi 8778acefc79SMarkus Armbruster static bool saddr_is_abstract(UnixSocketAddress *saddr) 8788acefc79SMarkus Armbruster { 8798acefc79SMarkus Armbruster #ifdef CONFIG_LINUX 8808acefc79SMarkus Armbruster return saddr->abstract; 8818acefc79SMarkus Armbruster #else 8828acefc79SMarkus Armbruster return false; 8838acefc79SMarkus Armbruster #endif 8848acefc79SMarkus Armbruster } 8858acefc79SMarkus Armbruster 8868acefc79SMarkus Armbruster static bool saddr_is_tight(UnixSocketAddress *saddr) 8878acefc79SMarkus Armbruster { 8888acefc79SMarkus Armbruster #ifdef CONFIG_LINUX 8898acefc79SMarkus Armbruster return !saddr->has_tight || saddr->tight; 8908acefc79SMarkus Armbruster #else 8918acefc79SMarkus Armbruster return false; 8928acefc79SMarkus Armbruster #endif 8938acefc79SMarkus Armbruster } 8948acefc79SMarkus Armbruster 8951856835dSDaniel P. Berrange static int unix_listen_saddr(UnixSocketAddress *saddr, 896e5b6353cSJuan Quintela int num, 8971856835dSDaniel P. Berrange Error **errp) 898baacf047SPaolo Bonzini { 8998acefc79SMarkus Armbruster bool abstract = saddr_is_abstract(saddr); 900baacf047SPaolo Bonzini struct sockaddr_un un; 901baacf047SPaolo Bonzini int sock, fd; 902ad9579aaSDaniel P. Berrange char *pathbuf = NULL; 903ad9579aaSDaniel P. Berrange const char *path; 9042d2023c3SDaniel P. Berrangé size_t pathlen; 905776b97d3Sxiaoqiang zhao size_t addrlen; 906baacf047SPaolo Bonzini 907baacf047SPaolo Bonzini sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0); 908baacf047SPaolo Bonzini if (sock < 0) { 909b658c53dSPaolo Bonzini error_setg_errno(errp, errno, "Failed to create Unix socket"); 910baacf047SPaolo Bonzini return -1; 911baacf047SPaolo Bonzini } 912baacf047SPaolo Bonzini 9138acefc79SMarkus Armbruster if (saddr->path[0] || abstract) { 914ad9579aaSDaniel P. Berrange path = saddr->path; 915baacf047SPaolo Bonzini } else { 916926a895cSBin Meng path = pathbuf = g_strdup_printf("%s/qemu-socket-XXXXXX", 917926a895cSBin Meng g_get_tmp_dir()); 918ad9579aaSDaniel P. Berrange } 919ad9579aaSDaniel P. Berrange 9202d2023c3SDaniel P. Berrangé pathlen = strlen(path); 921776b97d3Sxiaoqiang zhao if (pathlen > sizeof(un.sun_path) || 9228acefc79SMarkus Armbruster (abstract && pathlen > (sizeof(un.sun_path) - 1))) { 923ad9579aaSDaniel P. Berrange error_setg(errp, "UNIX socket path '%s' is too long", path); 924ad9579aaSDaniel P. Berrange error_append_hint(errp, "Path must be less than %zu bytes\n", 9258acefc79SMarkus Armbruster abstract ? sizeof(un.sun_path) - 1 : 926ad9579aaSDaniel P. Berrange sizeof(un.sun_path)); 927b658c53dSPaolo Bonzini goto err; 928b658c53dSPaolo Bonzini } 929b658c53dSPaolo Bonzini 930ad9579aaSDaniel P. Berrange if (pathbuf != NULL) { 931baacf047SPaolo Bonzini /* 932baacf047SPaolo Bonzini * This dummy fd usage silences the mktemp() unsecure warning. 933baacf047SPaolo Bonzini * Using mkstemp() doesn't make things more secure here 934baacf047SPaolo Bonzini * though. bind() complains about existing files, so we have 935baacf047SPaolo Bonzini * to unlink first and thus re-open the race window. The 936baacf047SPaolo Bonzini * worst case possible is bind() failing, i.e. a DoS attack. 937baacf047SPaolo Bonzini */ 938ad9579aaSDaniel P. Berrange fd = mkstemp(pathbuf); 939b658c53dSPaolo Bonzini if (fd < 0) { 940b658c53dSPaolo Bonzini error_setg_errno(errp, errno, 941ad9579aaSDaniel P. Berrange "Failed to make a temporary socket %s", pathbuf); 942b658c53dSPaolo Bonzini goto err; 943b658c53dSPaolo Bonzini } 944b658c53dSPaolo Bonzini close(fd); 945baacf047SPaolo Bonzini } 946baacf047SPaolo Bonzini 9478acefc79SMarkus Armbruster if (!abstract && unlink(path) < 0 && errno != ENOENT) { 9480ef705a2SCole Robinson error_setg_errno(errp, errno, 949ad9579aaSDaniel P. Berrange "Failed to unlink socket %s", path); 9500ef705a2SCole Robinson goto err; 9510ef705a2SCole Robinson } 952ad9579aaSDaniel P. Berrange 953ad9579aaSDaniel P. Berrange memset(&un, 0, sizeof(un)); 954ad9579aaSDaniel P. Berrange un.sun_family = AF_UNIX; 955776b97d3Sxiaoqiang zhao addrlen = sizeof(un); 956ad9579aaSDaniel P. Berrange 9578acefc79SMarkus Armbruster if (abstract) { 958776b97d3Sxiaoqiang zhao un.sun_path[0] = '\0'; 959776b97d3Sxiaoqiang zhao memcpy(&un.sun_path[1], path, pathlen); 9608acefc79SMarkus Armbruster if (saddr_is_tight(saddr)) { 961776b97d3Sxiaoqiang zhao addrlen = offsetof(struct sockaddr_un, sun_path) + 1 + pathlen; 962776b97d3Sxiaoqiang zhao } 963776b97d3Sxiaoqiang zhao } else { 964776b97d3Sxiaoqiang zhao memcpy(un.sun_path, path, pathlen); 965776b97d3Sxiaoqiang zhao } 966776b97d3Sxiaoqiang zhao 967776b97d3Sxiaoqiang zhao if (bind(sock, (struct sockaddr *) &un, addrlen) < 0) { 96856382bd5SDaniel P. Berrange error_setg_errno(errp, errno, "Failed to bind socket to %s", path); 969baacf047SPaolo Bonzini goto err; 970baacf047SPaolo Bonzini } 971e5b6353cSJuan Quintela if (listen(sock, num) < 0) { 972235256a2SMarkus Armbruster error_setg_errno(errp, errno, "Failed to listen on socket"); 973baacf047SPaolo Bonzini goto err; 974baacf047SPaolo Bonzini } 975baacf047SPaolo Bonzini 976ad9579aaSDaniel P. Berrange g_free(pathbuf); 977baacf047SPaolo Bonzini return sock; 978baacf047SPaolo Bonzini 979baacf047SPaolo Bonzini err: 980ad9579aaSDaniel P. Berrange g_free(pathbuf); 981baacf047SPaolo Bonzini closesocket(sock); 982baacf047SPaolo Bonzini return -1; 983baacf047SPaolo Bonzini } 984baacf047SPaolo Bonzini 985b2587932SCao jin static int unix_connect_saddr(UnixSocketAddress *saddr, Error **errp) 986baacf047SPaolo Bonzini { 9878acefc79SMarkus Armbruster bool abstract = saddr_is_abstract(saddr); 988baacf047SPaolo Bonzini struct sockaddr_un un; 989baacf047SPaolo Bonzini int sock, rc; 9902d2023c3SDaniel P. Berrangé size_t pathlen; 991776b97d3Sxiaoqiang zhao size_t addrlen; 992baacf047SPaolo Bonzini 9932942e420SDaniel P. Berrange if (saddr->path == NULL) { 994312fd5f2SMarkus Armbruster error_setg(errp, "unix connect: no path specified"); 995baacf047SPaolo Bonzini return -1; 996baacf047SPaolo Bonzini } 997baacf047SPaolo Bonzini 998baacf047SPaolo Bonzini sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0); 999baacf047SPaolo Bonzini if (sock < 0) { 1000235256a2SMarkus Armbruster error_setg_errno(errp, errno, "Failed to create socket"); 1001baacf047SPaolo Bonzini return -1; 1002baacf047SPaolo Bonzini } 1003baacf047SPaolo Bonzini 10042d2023c3SDaniel P. Berrangé pathlen = strlen(saddr->path); 1005776b97d3Sxiaoqiang zhao if (pathlen > sizeof(un.sun_path) || 10068acefc79SMarkus Armbruster (abstract && pathlen > (sizeof(un.sun_path) - 1))) { 1007ad9579aaSDaniel P. Berrange error_setg(errp, "UNIX socket path '%s' is too long", saddr->path); 1008ad9579aaSDaniel P. Berrange error_append_hint(errp, "Path must be less than %zu bytes\n", 10098acefc79SMarkus Armbruster abstract ? sizeof(un.sun_path) - 1 : 1010ad9579aaSDaniel P. Berrange sizeof(un.sun_path)); 1011ad9579aaSDaniel P. Berrange goto err; 1012ad9579aaSDaniel P. Berrange } 1013ad9579aaSDaniel P. Berrange 1014baacf047SPaolo Bonzini memset(&un, 0, sizeof(un)); 1015baacf047SPaolo Bonzini un.sun_family = AF_UNIX; 1016776b97d3Sxiaoqiang zhao addrlen = sizeof(un); 1017baacf047SPaolo Bonzini 10188acefc79SMarkus Armbruster if (abstract) { 1019776b97d3Sxiaoqiang zhao un.sun_path[0] = '\0'; 1020776b97d3Sxiaoqiang zhao memcpy(&un.sun_path[1], saddr->path, pathlen); 10218acefc79SMarkus Armbruster if (saddr_is_tight(saddr)) { 1022776b97d3Sxiaoqiang zhao addrlen = offsetof(struct sockaddr_un, sun_path) + 1 + pathlen; 1023776b97d3Sxiaoqiang zhao } 1024776b97d3Sxiaoqiang zhao } else { 1025776b97d3Sxiaoqiang zhao memcpy(un.sun_path, saddr->path, pathlen); 1026776b97d3Sxiaoqiang zhao } 1027baacf047SPaolo Bonzini /* connect to peer */ 1028baacf047SPaolo Bonzini do { 1029baacf047SPaolo Bonzini rc = 0; 1030776b97d3Sxiaoqiang zhao if (connect(sock, (struct sockaddr *) &un, addrlen) < 0) { 1031b16a44e1SDaniel P. Berrange rc = -errno; 1032baacf047SPaolo Bonzini } 1033baacf047SPaolo Bonzini } while (rc == -EINTR); 1034baacf047SPaolo Bonzini 1035baacf047SPaolo Bonzini if (rc < 0) { 1036dfc00eb7SDaniel P. Berrangé error_setg_errno(errp, -rc, "Failed to connect to '%s'", 1037ad9579aaSDaniel P. Berrange saddr->path); 1038ad9579aaSDaniel P. Berrange goto err; 1039baacf047SPaolo Bonzini } 1040baacf047SPaolo Bonzini 1041baacf047SPaolo Bonzini return sock; 1042ad9579aaSDaniel P. Berrange 1043ad9579aaSDaniel P. Berrange err: 1044e3fdb13eSBin Meng closesocket(sock); 1045ad9579aaSDaniel P. Berrange return -1; 1046baacf047SPaolo Bonzini } 1047baacf047SPaolo Bonzini 1048baacf047SPaolo Bonzini /* compatibility wrapper */ 104962473511SDaniel P. Berrange int unix_listen(const char *str, Error **errp) 1050baacf047SPaolo Bonzini { 10511856835dSDaniel P. Berrange UnixSocketAddress *saddr; 1052caf88d74SMarc-André Lureau int sock; 1053baacf047SPaolo Bonzini 10541856835dSDaniel P. Berrange saddr = g_new0(UnixSocketAddress, 1); 10551856835dSDaniel P. Berrange saddr->path = g_strdup(str); 1056e5b6353cSJuan Quintela sock = unix_listen_saddr(saddr, 1, errp); 10571856835dSDaniel P. Berrange qapi_free_UnixSocketAddress(saddr); 1058baacf047SPaolo Bonzini return sock; 1059baacf047SPaolo Bonzini } 1060baacf047SPaolo Bonzini 1061baacf047SPaolo Bonzini int unix_connect(const char *path, Error **errp) 1062baacf047SPaolo Bonzini { 10632942e420SDaniel P. Berrange UnixSocketAddress *saddr; 1064baacf047SPaolo Bonzini int sock; 1065baacf047SPaolo Bonzini 10662942e420SDaniel P. Berrange saddr = g_new0(UnixSocketAddress, 1); 10672942e420SDaniel P. Berrange saddr->path = g_strdup(path); 1068b2587932SCao jin sock = unix_connect_saddr(saddr, errp); 10692942e420SDaniel P. Berrange qapi_free_UnixSocketAddress(saddr); 1070baacf047SPaolo Bonzini return sock; 1071baacf047SPaolo Bonzini } 1072baacf047SPaolo Bonzini 107318bf1c94SLaurent Vivier char *socket_uri(SocketAddress *addr) 107418bf1c94SLaurent Vivier { 107518bf1c94SLaurent Vivier switch (addr->type) { 107618bf1c94SLaurent Vivier case SOCKET_ADDRESS_TYPE_INET: 107718bf1c94SLaurent Vivier return g_strdup_printf("tcp:%s:%s", 107818bf1c94SLaurent Vivier addr->u.inet.host, 107918bf1c94SLaurent Vivier addr->u.inet.port); 108018bf1c94SLaurent Vivier case SOCKET_ADDRESS_TYPE_UNIX: 108118bf1c94SLaurent Vivier return g_strdup_printf("unix:%s", 108218bf1c94SLaurent Vivier addr->u.q_unix.path); 108318bf1c94SLaurent Vivier case SOCKET_ADDRESS_TYPE_FD: 108418bf1c94SLaurent Vivier return g_strdup_printf("fd:%s", addr->u.fd.str); 108518bf1c94SLaurent Vivier case SOCKET_ADDRESS_TYPE_VSOCK: 10867651b321SLaurent Vivier return g_strdup_printf("vsock:%s:%s", 108718bf1c94SLaurent Vivier addr->u.vsock.cid, 108818bf1c94SLaurent Vivier addr->u.vsock.port); 108918bf1c94SLaurent Vivier default: 109018bf1c94SLaurent Vivier return g_strdup("unknown address type"); 109118bf1c94SLaurent Vivier } 109218bf1c94SLaurent Vivier } 1093baacf047SPaolo Bonzini 1094bd269ebcSMarkus Armbruster SocketAddress *socket_parse(const char *str, Error **errp) 1095baacf047SPaolo Bonzini { 1096bd269ebcSMarkus Armbruster SocketAddress *addr; 1097baacf047SPaolo Bonzini 1098bd269ebcSMarkus Armbruster addr = g_new0(SocketAddress, 1); 1099baacf047SPaolo Bonzini if (strstart(str, "unix:", NULL)) { 1100baacf047SPaolo Bonzini if (str[5] == '\0') { 1101312fd5f2SMarkus Armbruster error_setg(errp, "invalid Unix socket address"); 1102baacf047SPaolo Bonzini goto fail; 1103baacf047SPaolo Bonzini } else { 1104bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_UNIX; 1105bd269ebcSMarkus Armbruster addr->u.q_unix.path = g_strdup(str + 5); 1106baacf047SPaolo Bonzini } 1107baacf047SPaolo Bonzini } else if (strstart(str, "fd:", NULL)) { 1108baacf047SPaolo Bonzini if (str[3] == '\0') { 1109312fd5f2SMarkus Armbruster error_setg(errp, "invalid file descriptor address"); 1110baacf047SPaolo Bonzini goto fail; 1111baacf047SPaolo Bonzini } else { 1112bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_FD; 1113bd269ebcSMarkus Armbruster addr->u.fd.str = g_strdup(str + 3); 1114baacf047SPaolo Bonzini } 11156a02c806SStefan Hajnoczi } else if (strstart(str, "vsock:", NULL)) { 1116bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_VSOCK; 1117bd269ebcSMarkus Armbruster if (vsock_parse(&addr->u.vsock, str + strlen("vsock:"), errp)) { 11186a02c806SStefan Hajnoczi goto fail; 11196a02c806SStefan Hajnoczi } 11207651b321SLaurent Vivier } else if (strstart(str, "tcp:", NULL)) { 11217651b321SLaurent Vivier addr->type = SOCKET_ADDRESS_TYPE_INET; 11227651b321SLaurent Vivier if (inet_parse(&addr->u.inet, str + strlen("tcp:"), errp)) { 11237651b321SLaurent Vivier goto fail; 11247651b321SLaurent Vivier } 1125baacf047SPaolo Bonzini } else { 1126bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_INET; 1127bd269ebcSMarkus Armbruster if (inet_parse(&addr->u.inet, str, errp)) { 1128baacf047SPaolo Bonzini goto fail; 1129baacf047SPaolo Bonzini } 1130baacf047SPaolo Bonzini } 1131baacf047SPaolo Bonzini return addr; 1132baacf047SPaolo Bonzini 1133baacf047SPaolo Bonzini fail: 1134bd269ebcSMarkus Armbruster qapi_free_SocketAddress(addr); 1135baacf047SPaolo Bonzini return NULL; 1136baacf047SPaolo Bonzini } 1137baacf047SPaolo Bonzini 113837179e9eSStefan Hajnoczi static int socket_get_fd(const char *fdstr, Error **errp) 113930bdb3c5SDaniel P. Berrange { 1140947e4744SKevin Wolf Monitor *cur_mon = monitor_cur(); 11411723d6b1SDaniel P. Berrange int fd; 11421723d6b1SDaniel P. Berrange if (cur_mon) { 11431723d6b1SDaniel P. Berrange fd = monitor_get_fd(cur_mon, fdstr, errp); 114430bdb3c5SDaniel P. Berrange if (fd < 0) { 114530bdb3c5SDaniel P. Berrange return -1; 114630bdb3c5SDaniel P. Berrange } 11471723d6b1SDaniel P. Berrange } else { 11481723d6b1SDaniel P. Berrange if (qemu_strtoi(fdstr, NULL, 10, &fd) < 0) { 11491723d6b1SDaniel P. Berrange error_setg_errno(errp, errno, 11501723d6b1SDaniel P. Berrange "Unable to parse FD number %s", 11511723d6b1SDaniel P. Berrange fdstr); 11521723d6b1SDaniel P. Berrange return -1; 11531723d6b1SDaniel P. Berrange } 11541723d6b1SDaniel P. Berrange } 115530bdb3c5SDaniel P. Berrange if (!fd_is_socket(fd)) { 115630bdb3c5SDaniel P. Berrange error_setg(errp, "File descriptor '%s' is not a socket", fdstr); 115730bdb3c5SDaniel P. Berrange close(fd); 115830bdb3c5SDaniel P. Berrange return -1; 115930bdb3c5SDaniel P. Berrange } 116030bdb3c5SDaniel P. Berrange return fd; 116130bdb3c5SDaniel P. Berrange } 116230bdb3c5SDaniel P. Berrange 1163c5423704SVladimir Sementsov-Ogievskiy int socket_address_parse_named_fd(SocketAddress *addr, Error **errp) 1164c5423704SVladimir Sementsov-Ogievskiy { 1165c5423704SVladimir Sementsov-Ogievskiy int fd; 1166c5423704SVladimir Sementsov-Ogievskiy 1167c5423704SVladimir Sementsov-Ogievskiy if (addr->type != SOCKET_ADDRESS_TYPE_FD) { 1168c5423704SVladimir Sementsov-Ogievskiy return 0; 1169c5423704SVladimir Sementsov-Ogievskiy } 1170c5423704SVladimir Sementsov-Ogievskiy 1171c5423704SVladimir Sementsov-Ogievskiy fd = socket_get_fd(addr->u.fd.str, errp); 1172c5423704SVladimir Sementsov-Ogievskiy if (fd < 0) { 1173c5423704SVladimir Sementsov-Ogievskiy return fd; 1174c5423704SVladimir Sementsov-Ogievskiy } 1175c5423704SVladimir Sementsov-Ogievskiy 1176c5423704SVladimir Sementsov-Ogievskiy g_free(addr->u.fd.str); 1177c5423704SVladimir Sementsov-Ogievskiy addr->u.fd.str = g_strdup_printf("%d", fd); 1178c5423704SVladimir Sementsov-Ogievskiy 1179c5423704SVladimir Sementsov-Ogievskiy return 0; 1180c5423704SVladimir Sementsov-Ogievskiy } 1181c5423704SVladimir Sementsov-Ogievskiy 1182b2587932SCao jin int socket_connect(SocketAddress *addr, Error **errp) 1183baacf047SPaolo Bonzini { 1184baacf047SPaolo Bonzini int fd; 1185baacf047SPaolo Bonzini 11862d32addaSEric Blake switch (addr->type) { 1187bd269ebcSMarkus Armbruster case SOCKET_ADDRESS_TYPE_INET: 1188b2587932SCao jin fd = inet_connect_saddr(&addr->u.inet, errp); 1189baacf047SPaolo Bonzini break; 1190baacf047SPaolo Bonzini 1191bd269ebcSMarkus Armbruster case SOCKET_ADDRESS_TYPE_UNIX: 1192b2587932SCao jin fd = unix_connect_saddr(&addr->u.q_unix, errp); 1193baacf047SPaolo Bonzini break; 1194baacf047SPaolo Bonzini 1195bd269ebcSMarkus Armbruster case SOCKET_ADDRESS_TYPE_FD: 119637179e9eSStefan Hajnoczi fd = socket_get_fd(addr->u.fd.str, errp); 1197baacf047SPaolo Bonzini break; 1198baacf047SPaolo Bonzini 1199bd269ebcSMarkus Armbruster case SOCKET_ADDRESS_TYPE_VSOCK: 1200b2587932SCao jin fd = vsock_connect_saddr(&addr->u.vsock, errp); 12016a02c806SStefan Hajnoczi break; 12026a02c806SStefan Hajnoczi 1203baacf047SPaolo Bonzini default: 1204baacf047SPaolo Bonzini abort(); 1205baacf047SPaolo Bonzini } 1206baacf047SPaolo Bonzini return fd; 1207baacf047SPaolo Bonzini } 1208baacf047SPaolo Bonzini 1209e5b6353cSJuan Quintela int socket_listen(SocketAddress *addr, int num, Error **errp) 1210baacf047SPaolo Bonzini { 1211baacf047SPaolo Bonzini int fd; 1212baacf047SPaolo Bonzini 1213e5b6353cSJuan Quintela trace_socket_listen(num); 12142d32addaSEric Blake switch (addr->type) { 1215bd269ebcSMarkus Armbruster case SOCKET_ADDRESS_TYPE_INET: 1216e5b6353cSJuan Quintela fd = inet_listen_saddr(&addr->u.inet, 0, num, errp); 1217baacf047SPaolo Bonzini break; 1218baacf047SPaolo Bonzini 1219bd269ebcSMarkus Armbruster case SOCKET_ADDRESS_TYPE_UNIX: 1220e5b6353cSJuan Quintela fd = unix_listen_saddr(&addr->u.q_unix, num, errp); 1221baacf047SPaolo Bonzini break; 1222baacf047SPaolo Bonzini 1223bd269ebcSMarkus Armbruster case SOCKET_ADDRESS_TYPE_FD: 122437179e9eSStefan Hajnoczi fd = socket_get_fd(addr->u.fd.str, errp); 122537179e9eSStefan Hajnoczi if (fd < 0) { 122637179e9eSStefan Hajnoczi return -1; 122737179e9eSStefan Hajnoczi } 122837179e9eSStefan Hajnoczi 122937179e9eSStefan Hajnoczi /* 123037179e9eSStefan Hajnoczi * If the socket is not yet in the listen state, then transition it to 123137179e9eSStefan Hajnoczi * the listen state now. 123237179e9eSStefan Hajnoczi * 123337179e9eSStefan Hajnoczi * If it's already listening then this updates the backlog value as 123437179e9eSStefan Hajnoczi * requested. 123537179e9eSStefan Hajnoczi * 123637179e9eSStefan Hajnoczi * If this socket cannot listen because it's already in another state 123737179e9eSStefan Hajnoczi * (e.g. unbound or connected) then we'll catch the error here. 123837179e9eSStefan Hajnoczi */ 123937179e9eSStefan Hajnoczi if (listen(fd, num) != 0) { 124037179e9eSStefan Hajnoczi error_setg_errno(errp, errno, "Failed to listen on fd socket"); 124137179e9eSStefan Hajnoczi closesocket(fd); 124237179e9eSStefan Hajnoczi return -1; 124337179e9eSStefan Hajnoczi } 1244baacf047SPaolo Bonzini break; 1245baacf047SPaolo Bonzini 1246bd269ebcSMarkus Armbruster case SOCKET_ADDRESS_TYPE_VSOCK: 1247e5b6353cSJuan Quintela fd = vsock_listen_saddr(&addr->u.vsock, num, errp); 12486a02c806SStefan Hajnoczi break; 12496a02c806SStefan Hajnoczi 1250baacf047SPaolo Bonzini default: 1251baacf047SPaolo Bonzini abort(); 1252baacf047SPaolo Bonzini } 1253baacf047SPaolo Bonzini return fd; 1254baacf047SPaolo Bonzini } 1255baacf047SPaolo Bonzini 125674b6ce43SMarc-André Lureau void socket_listen_cleanup(int fd, Error **errp) 125774b6ce43SMarc-André Lureau { 1258bd269ebcSMarkus Armbruster SocketAddress *addr; 125974b6ce43SMarc-André Lureau 126074b6ce43SMarc-André Lureau addr = socket_local_address(fd, errp); 12612d7ad7c0SDaniel P. Berrange if (!addr) { 12622d7ad7c0SDaniel P. Berrange return; 12632d7ad7c0SDaniel P. Berrange } 126474b6ce43SMarc-André Lureau 1265bd269ebcSMarkus Armbruster if (addr->type == SOCKET_ADDRESS_TYPE_UNIX 1266bd269ebcSMarkus Armbruster && addr->u.q_unix.path) { 1267bd269ebcSMarkus Armbruster if (unlink(addr->u.q_unix.path) < 0 && errno != ENOENT) { 126874b6ce43SMarc-André Lureau error_setg_errno(errp, errno, 126974b6ce43SMarc-André Lureau "Failed to unlink socket %s", 1270bd269ebcSMarkus Armbruster addr->u.q_unix.path); 127174b6ce43SMarc-André Lureau } 127274b6ce43SMarc-André Lureau } 127374b6ce43SMarc-André Lureau 1274bd269ebcSMarkus Armbruster qapi_free_SocketAddress(addr); 127574b6ce43SMarc-André Lureau } 127674b6ce43SMarc-André Lureau 1277bd269ebcSMarkus Armbruster int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp) 12783ecc059dSGerd Hoffmann { 12793ecc059dSGerd Hoffmann int fd; 12803ecc059dSGerd Hoffmann 1281ca0b64e5SMarkus Armbruster /* 1282bd269ebcSMarkus Armbruster * TODO SOCKET_ADDRESS_TYPE_FD when fd is AF_INET or AF_INET6 1283ca0b64e5SMarkus Armbruster * (although other address families can do SOCK_DGRAM, too) 1284ca0b64e5SMarkus Armbruster */ 12852d32addaSEric Blake switch (remote->type) { 1286bd269ebcSMarkus Armbruster case SOCKET_ADDRESS_TYPE_INET: 1287bd269ebcSMarkus Armbruster fd = inet_dgram_saddr(&remote->u.inet, 1288bd269ebcSMarkus Armbruster local ? &local->u.inet : NULL, errp); 12893ecc059dSGerd Hoffmann break; 12903ecc059dSGerd Hoffmann 12913ecc059dSGerd Hoffmann default: 12923ecc059dSGerd Hoffmann error_setg(errp, "socket type unsupported for datagram"); 12937a5b6af1SGerd Hoffmann fd = -1; 12943ecc059dSGerd Hoffmann } 12953ecc059dSGerd Hoffmann return fd; 12963ecc059dSGerd Hoffmann } 129717c55decSDaniel P. Berrange 129817c55decSDaniel P. Berrange 1299bd269ebcSMarkus Armbruster static SocketAddress * 130017c55decSDaniel P. Berrange socket_sockaddr_to_address_inet(struct sockaddr_storage *sa, 130117c55decSDaniel P. Berrange socklen_t salen, 130217c55decSDaniel P. Berrange Error **errp) 130317c55decSDaniel P. Berrange { 130417c55decSDaniel P. Berrange char host[NI_MAXHOST]; 130517c55decSDaniel P. Berrange char serv[NI_MAXSERV]; 1306bd269ebcSMarkus Armbruster SocketAddress *addr; 13070399293eSEric Blake InetSocketAddress *inet; 130817c55decSDaniel P. Berrange int ret; 130917c55decSDaniel P. Berrange 131017c55decSDaniel P. Berrange ret = getnameinfo((struct sockaddr *)sa, salen, 131117c55decSDaniel P. Berrange host, sizeof(host), 131217c55decSDaniel P. Berrange serv, sizeof(serv), 131317c55decSDaniel P. Berrange NI_NUMERICHOST | NI_NUMERICSERV); 131417c55decSDaniel P. Berrange if (ret != 0) { 131517c55decSDaniel P. Berrange error_setg(errp, "Cannot format numeric socket address: %s", 131617c55decSDaniel P. Berrange gai_strerror(ret)); 131717c55decSDaniel P. Berrange return NULL; 131817c55decSDaniel P. Berrange } 131917c55decSDaniel P. Berrange 1320bd269ebcSMarkus Armbruster addr = g_new0(SocketAddress, 1); 1321bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_INET; 1322bd269ebcSMarkus Armbruster inet = &addr->u.inet; 13230399293eSEric Blake inet->host = g_strdup(host); 13240399293eSEric Blake inet->port = g_strdup(serv); 132517c55decSDaniel P. Berrange if (sa->ss_family == AF_INET) { 13260399293eSEric Blake inet->has_ipv4 = inet->ipv4 = true; 132717c55decSDaniel P. Berrange } else { 13280399293eSEric Blake inet->has_ipv6 = inet->ipv6 = true; 132917c55decSDaniel P. Berrange } 133017c55decSDaniel P. Berrange 133117c55decSDaniel P. Berrange return addr; 133217c55decSDaniel P. Berrange } 133317c55decSDaniel P. Berrange 133417c55decSDaniel P. Berrange 1335bd269ebcSMarkus Armbruster static SocketAddress * 133617c55decSDaniel P. Berrange socket_sockaddr_to_address_unix(struct sockaddr_storage *sa, 133717c55decSDaniel P. Berrange socklen_t salen, 133817c55decSDaniel P. Berrange Error **errp) 133917c55decSDaniel P. Berrange { 1340bd269ebcSMarkus Armbruster SocketAddress *addr; 134117c55decSDaniel P. Berrange struct sockaddr_un *su = (struct sockaddr_un *)sa; 134217c55decSDaniel P. Berrange 1343bd269ebcSMarkus Armbruster addr = g_new0(SocketAddress, 1); 1344bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_UNIX; 1345118d527fSMichael Tokarev salen -= offsetof(struct sockaddr_un, sun_path); 13463b14b4ecSMarkus Armbruster #ifdef CONFIG_LINUX 1347118d527fSMichael Tokarev if (salen > 0 && !su->sun_path[0]) { 13483b14b4ecSMarkus Armbruster /* Linux abstract socket */ 1349118d527fSMichael Tokarev addr->u.q_unix.path = g_strndup(su->sun_path + 1, salen - 1); 13503b14b4ecSMarkus Armbruster addr->u.q_unix.has_abstract = true; 13513b14b4ecSMarkus Armbruster addr->u.q_unix.abstract = true; 13523b14b4ecSMarkus Armbruster addr->u.q_unix.has_tight = true; 1353118d527fSMichael Tokarev addr->u.q_unix.tight = salen < sizeof(su->sun_path); 13543b14b4ecSMarkus Armbruster return addr; 135517c55decSDaniel P. Berrange } 13563b14b4ecSMarkus Armbruster #endif 135717c55decSDaniel P. Berrange 1358118d527fSMichael Tokarev addr->u.q_unix.path = g_strndup(su->sun_path, salen); 135917c55decSDaniel P. Berrange return addr; 136017c55decSDaniel P. Berrange } 136117c55decSDaniel P. Berrange 13626a02c806SStefan Hajnoczi #ifdef CONFIG_AF_VSOCK 1363bd269ebcSMarkus Armbruster static SocketAddress * 13646a02c806SStefan Hajnoczi socket_sockaddr_to_address_vsock(struct sockaddr_storage *sa, 13656a02c806SStefan Hajnoczi socklen_t salen, 13666a02c806SStefan Hajnoczi Error **errp) 13676a02c806SStefan Hajnoczi { 1368bd269ebcSMarkus Armbruster SocketAddress *addr; 13696a02c806SStefan Hajnoczi VsockSocketAddress *vaddr; 13706a02c806SStefan Hajnoczi struct sockaddr_vm *svm = (struct sockaddr_vm *)sa; 13716a02c806SStefan Hajnoczi 1372bd269ebcSMarkus Armbruster addr = g_new0(SocketAddress, 1); 1373bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_VSOCK; 1374bd269ebcSMarkus Armbruster vaddr = &addr->u.vsock; 13756a02c806SStefan Hajnoczi vaddr->cid = g_strdup_printf("%u", svm->svm_cid); 13766a02c806SStefan Hajnoczi vaddr->port = g_strdup_printf("%u", svm->svm_port); 13776a02c806SStefan Hajnoczi 13786a02c806SStefan Hajnoczi return addr; 13796a02c806SStefan Hajnoczi } 13806a02c806SStefan Hajnoczi #endif /* CONFIG_AF_VSOCK */ 13816a02c806SStefan Hajnoczi 1382bd269ebcSMarkus Armbruster SocketAddress * 138317c55decSDaniel P. Berrange socket_sockaddr_to_address(struct sockaddr_storage *sa, 138417c55decSDaniel P. Berrange socklen_t salen, 138517c55decSDaniel P. Berrange Error **errp) 138617c55decSDaniel P. Berrange { 138717c55decSDaniel P. Berrange switch (sa->ss_family) { 138817c55decSDaniel P. Berrange case AF_INET: 138917c55decSDaniel P. Berrange case AF_INET6: 139017c55decSDaniel P. Berrange return socket_sockaddr_to_address_inet(sa, salen, errp); 139117c55decSDaniel P. Berrange 139217c55decSDaniel P. Berrange case AF_UNIX: 139317c55decSDaniel P. Berrange return socket_sockaddr_to_address_unix(sa, salen, errp); 139417c55decSDaniel P. Berrange 13956a02c806SStefan Hajnoczi #ifdef CONFIG_AF_VSOCK 13966a02c806SStefan Hajnoczi case AF_VSOCK: 13976a02c806SStefan Hajnoczi return socket_sockaddr_to_address_vsock(sa, salen, errp); 13986a02c806SStefan Hajnoczi #endif 13996a02c806SStefan Hajnoczi 140017c55decSDaniel P. Berrange default: 140117c55decSDaniel P. Berrange error_setg(errp, "socket family %d unsupported", 140217c55decSDaniel P. Berrange sa->ss_family); 140317c55decSDaniel P. Berrange return NULL; 140417c55decSDaniel P. Berrange } 140517c55decSDaniel P. Berrange return 0; 140617c55decSDaniel P. Berrange } 140717c55decSDaniel P. Berrange 140817c55decSDaniel P. Berrange 1409bd269ebcSMarkus Armbruster SocketAddress *socket_local_address(int fd, Error **errp) 141017c55decSDaniel P. Berrange { 141117c55decSDaniel P. Berrange struct sockaddr_storage ss; 141217c55decSDaniel P. Berrange socklen_t sslen = sizeof(ss); 141317c55decSDaniel P. Berrange 141417c55decSDaniel P. Berrange if (getsockname(fd, (struct sockaddr *)&ss, &sslen) < 0) { 1415b16a44e1SDaniel P. Berrange error_setg_errno(errp, errno, "%s", 141617c55decSDaniel P. Berrange "Unable to query local socket address"); 141717c55decSDaniel P. Berrange return NULL; 141817c55decSDaniel P. Berrange } 141917c55decSDaniel P. Berrange 142017c55decSDaniel P. Berrange return socket_sockaddr_to_address(&ss, sslen, errp); 142117c55decSDaniel P. Berrange } 142217c55decSDaniel P. Berrange 142317c55decSDaniel P. Berrange 1424bd269ebcSMarkus Armbruster SocketAddress *socket_remote_address(int fd, Error **errp) 142517c55decSDaniel P. Berrange { 142617c55decSDaniel P. Berrange struct sockaddr_storage ss; 142717c55decSDaniel P. Berrange socklen_t sslen = sizeof(ss); 142817c55decSDaniel P. Berrange 142917c55decSDaniel P. Berrange if (getpeername(fd, (struct sockaddr *)&ss, &sslen) < 0) { 1430b16a44e1SDaniel P. Berrange error_setg_errno(errp, errno, "%s", 143117c55decSDaniel P. Berrange "Unable to query remote socket address"); 143217c55decSDaniel P. Berrange return NULL; 143317c55decSDaniel P. Berrange } 143417c55decSDaniel P. Berrange 143517c55decSDaniel P. Berrange return socket_sockaddr_to_address(&ss, sslen, errp); 143617c55decSDaniel P. Berrange } 14372a8e21c7SDaniel P. Berrange 1438216411b8SMarkus Armbruster 1439bd269ebcSMarkus Armbruster SocketAddress *socket_address_flatten(SocketAddressLegacy *addr_legacy) 1440bd269ebcSMarkus Armbruster { 1441fc0f0059SMarkus Armbruster SocketAddress *addr; 1442bd269ebcSMarkus Armbruster 1443bd269ebcSMarkus Armbruster if (!addr_legacy) { 1444bd269ebcSMarkus Armbruster return NULL; 1445bd269ebcSMarkus Armbruster } 1446bd269ebcSMarkus Armbruster 1447fc0f0059SMarkus Armbruster addr = g_new(SocketAddress, 1); 1448fc0f0059SMarkus Armbruster 1449bd269ebcSMarkus Armbruster switch (addr_legacy->type) { 1450935a867cSMarkus Armbruster case SOCKET_ADDRESS_TYPE_INET: 1451bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_INET; 1452bd269ebcSMarkus Armbruster QAPI_CLONE_MEMBERS(InetSocketAddress, &addr->u.inet, 1453bd269ebcSMarkus Armbruster addr_legacy->u.inet.data); 1454bd269ebcSMarkus Armbruster break; 1455935a867cSMarkus Armbruster case SOCKET_ADDRESS_TYPE_UNIX: 1456bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_UNIX; 1457bd269ebcSMarkus Armbruster QAPI_CLONE_MEMBERS(UnixSocketAddress, &addr->u.q_unix, 1458bd269ebcSMarkus Armbruster addr_legacy->u.q_unix.data); 1459bd269ebcSMarkus Armbruster break; 1460935a867cSMarkus Armbruster case SOCKET_ADDRESS_TYPE_VSOCK: 1461bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_VSOCK; 1462bd269ebcSMarkus Armbruster QAPI_CLONE_MEMBERS(VsockSocketAddress, &addr->u.vsock, 1463bd269ebcSMarkus Armbruster addr_legacy->u.vsock.data); 1464bd269ebcSMarkus Armbruster break; 1465935a867cSMarkus Armbruster case SOCKET_ADDRESS_TYPE_FD: 1466bd269ebcSMarkus Armbruster addr->type = SOCKET_ADDRESS_TYPE_FD; 1467bd269ebcSMarkus Armbruster QAPI_CLONE_MEMBERS(String, &addr->u.fd, addr_legacy->u.fd.data); 1468bd269ebcSMarkus Armbruster break; 1469bd269ebcSMarkus Armbruster default: 1470bd269ebcSMarkus Armbruster abort(); 1471bd269ebcSMarkus Armbruster } 1472bd269ebcSMarkus Armbruster 1473bd269ebcSMarkus Armbruster return addr; 1474bd269ebcSMarkus Armbruster } 1475