mirror of https://gitee.com/openkylin/libvirt.git
683 lines
18 KiB
C
683 lines
18 KiB
C
/*
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* Copyright (C) 2011, 2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#include <config.h>
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#include <signal.h>
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#ifdef HAVE_IFADDRS_H
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# include <ifaddrs.h>
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#endif
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#include <netdb.h>
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#include "testutils.h"
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#include "virutil.h"
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#include "virerror.h"
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#include "viralloc.h"
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#include "virlog.h"
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#include "virfile.h"
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#include "virstring.h"
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#include "rpc/virnetsocket.h"
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#define VIR_FROM_THIS VIR_FROM_RPC
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VIR_LOG_INIT("tests.netsockettest");
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#if HAVE_IFADDRS_H
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# define BASE_PORT 5672
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static int
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checkProtocols(bool *hasIPv4, bool *hasIPv6,
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int *freePort)
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{
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struct sockaddr_in in4;
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struct sockaddr_in6 in6;
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int s4 = -1, s6 = -1;
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size_t i;
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int ret = -1;
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*freePort = 0;
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if (virNetSocketCheckProtocols(hasIPv4, hasIPv6) < 0)
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return -1;
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for (i = 0; i < 50; i++) {
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int only = 1;
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if ((s4 = socket(AF_INET, SOCK_STREAM, 0)) < 0)
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goto cleanup;
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if (*hasIPv6) {
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if ((s6 = socket(AF_INET6, SOCK_STREAM, 0)) < 0)
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goto cleanup;
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if (setsockopt(s6, IPPROTO_IPV6, IPV6_V6ONLY, &only, sizeof(only)) < 0)
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goto cleanup;
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}
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memset(&in4, 0, sizeof(in4));
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memset(&in6, 0, sizeof(in6));
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in4.sin_family = AF_INET;
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in4.sin_port = htons(BASE_PORT + i);
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in4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
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in6.sin6_family = AF_INET6;
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in6.sin6_port = htons(BASE_PORT + i);
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in6.sin6_addr = in6addr_loopback;
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if (bind(s4, (struct sockaddr *)&in4, sizeof(in4)) < 0) {
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if (errno == EADDRINUSE) {
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VIR_FORCE_CLOSE(s4);
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VIR_FORCE_CLOSE(s6);
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continue;
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}
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goto cleanup;
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}
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if (*hasIPv6) {
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if (bind(s6, (struct sockaddr *)&in6, sizeof(in6)) < 0) {
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if (errno == EADDRINUSE) {
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VIR_FORCE_CLOSE(s4);
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VIR_FORCE_CLOSE(s6);
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continue;
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}
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goto cleanup;
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}
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}
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*freePort = BASE_PORT + i;
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break;
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}
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VIR_DEBUG("Choose port %d", *freePort);
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ret = 0;
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cleanup:
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VIR_FORCE_CLOSE(s4);
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VIR_FORCE_CLOSE(s6);
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return ret;
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}
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struct testClientData {
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const char *path;
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const char *cnode;
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const char *portstr;
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};
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static void
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testSocketClient(void *opaque)
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{
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struct testClientData *data = opaque;
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char c;
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virNetSocketPtr csock = NULL;
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if (data->path) {
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if (virNetSocketNewConnectUNIX(data->path, false,
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NULL, &csock) < 0)
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return;
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} else {
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if (virNetSocketNewConnectTCP(data->cnode, data->portstr,
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AF_UNSPEC,
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&csock) < 0)
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return;
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}
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virNetSocketSetBlocking(csock, true);
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if (virNetSocketRead(csock, &c, 1) != 1) {
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VIR_DEBUG("Cannot read from server");
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goto done;
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}
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if (virNetSocketWrite(csock, &c, 1) != 1) {
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VIR_DEBUG("Cannot write to server");
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goto done;
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}
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done:
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virObjectUnref(csock);
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}
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static void
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testSocketIncoming(virNetSocketPtr sock,
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int events ATTRIBUTE_UNUSED,
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void *opaque)
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{
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virNetSocketPtr *retsock = opaque;
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VIR_DEBUG("Incoming sock=%p events=%d", sock, events);
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*retsock = sock;
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}
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struct testSocketData {
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const char *lnode;
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int port;
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const char *cnode;
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};
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static int
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testSocketAccept(const void *opaque)
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{
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virNetSocketPtr *lsock = NULL; /* Listen socket */
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size_t nlsock = 0, i;
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virNetSocketPtr ssock = NULL; /* Server socket */
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virNetSocketPtr rsock = NULL; /* Incoming client socket */
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const struct testSocketData *data = opaque;
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int ret = -1;
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char portstr[100];
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char *tmpdir = NULL;
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char *path = NULL;
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char template[] = "/tmp/libvirt_XXXXXX";
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virThread th;
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struct testClientData cdata = { 0 };
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bool goodsock = false;
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char a = 'a';
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char b = '\0';
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if (!data) {
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virNetSocketPtr usock;
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tmpdir = mkdtemp(template);
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if (tmpdir == NULL) {
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VIR_WARN("Failed to create temporary directory");
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goto cleanup;
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}
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if (virAsprintf(&path, "%s/test.sock", tmpdir) < 0)
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goto cleanup;
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if (virNetSocketNewListenUNIX(path, 0700, -1, getegid(), &usock) < 0)
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goto cleanup;
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if (VIR_ALLOC_N(lsock, 1) < 0) {
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virObjectUnref(usock);
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goto cleanup;
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}
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lsock[0] = usock;
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nlsock = 1;
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cdata.path = path;
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} else {
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snprintf(portstr, sizeof(portstr), "%d", data->port);
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if (virNetSocketNewListenTCP(data->lnode, portstr,
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AF_UNSPEC,
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&lsock, &nlsock) < 0)
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goto cleanup;
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cdata.cnode = data->cnode;
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cdata.portstr = portstr;
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}
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for (i = 0; i < nlsock; i++) {
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if (virNetSocketListen(lsock[i], 0) < 0)
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goto cleanup;
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if (virNetSocketAddIOCallback(lsock[i],
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VIR_EVENT_HANDLE_READABLE,
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testSocketIncoming,
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&rsock,
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NULL) < 0) {
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goto cleanup;
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}
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}
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if (virThreadCreate(&th, true,
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testSocketClient,
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&cdata) < 0)
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goto cleanup;
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while (rsock == NULL) {
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if (virEventRunDefaultImpl() < 0)
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break;
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}
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for (i = 0; i < nlsock; i++) {
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if (lsock[i] == rsock) {
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goodsock = true;
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break;
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}
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}
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if (!goodsock) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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"Unexpected server socket seen");
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goto join;
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}
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if (virNetSocketAccept(rsock, &ssock) < 0)
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goto join;
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if (!ssock) {
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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"Client went away unexpectedly");
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goto join;
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}
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virNetSocketSetBlocking(ssock, true);
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if (virNetSocketWrite(ssock, &a, 1) < 0 ||
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virNetSocketRead(ssock, &b, 1) < 0) {
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goto join;
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}
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if (a != b) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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"Bad data received '%x' != '%x'", a, b);
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goto join;
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}
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virObjectUnref(ssock);
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ssock = NULL;
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ret = 0;
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join:
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virThreadJoin(&th);
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cleanup:
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virObjectUnref(ssock);
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for (i = 0; i < nlsock; i++) {
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virNetSocketRemoveIOCallback(lsock[i]);
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virNetSocketClose(lsock[i]);
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virObjectUnref(lsock[i]);
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}
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VIR_FREE(lsock);
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VIR_FREE(path);
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if (tmpdir)
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rmdir(tmpdir);
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return ret;
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}
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#endif
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#ifndef WIN32
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static int testSocketUNIXAddrs(const void *data ATTRIBUTE_UNUSED)
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{
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virNetSocketPtr lsock = NULL; /* Listen socket */
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virNetSocketPtr ssock = NULL; /* Server socket */
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virNetSocketPtr csock = NULL; /* Client socket */
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int ret = -1;
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char *path = NULL;
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char *tmpdir;
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char template[] = "/tmp/libvirt_XXXXXX";
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tmpdir = mkdtemp(template);
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if (tmpdir == NULL) {
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VIR_WARN("Failed to create temporary directory");
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goto cleanup;
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}
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if (virAsprintf(&path, "%s/test.sock", tmpdir) < 0)
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goto cleanup;
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if (virNetSocketNewListenUNIX(path, 0700, -1, getegid(), &lsock) < 0)
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goto cleanup;
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if (STRNEQ(virNetSocketLocalAddrStringSASL(lsock), "127.0.0.1;0")) {
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VIR_DEBUG("Unexpected local address");
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goto cleanup;
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}
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if (virNetSocketRemoteAddrStringSASL(lsock) != NULL) {
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VIR_DEBUG("Unexpected remote address");
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goto cleanup;
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}
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if (virNetSocketListen(lsock, 0) < 0)
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goto cleanup;
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if (virNetSocketNewConnectUNIX(path, false, NULL, &csock) < 0)
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goto cleanup;
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if (STRNEQ(virNetSocketLocalAddrStringSASL(csock), "127.0.0.1;0")) {
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VIR_DEBUG("Unexpected local address");
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goto cleanup;
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}
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if (STRNEQ(virNetSocketRemoteAddrStringSASL(csock), "127.0.0.1;0")) {
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VIR_DEBUG("Unexpected remote address");
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goto cleanup;
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}
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if (STRNEQ(virNetSocketRemoteAddrStringURI(csock), "127.0.0.1:0")) {
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VIR_DEBUG("Unexpected remote address");
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goto cleanup;
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}
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if (virNetSocketAccept(lsock, &ssock) < 0) {
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VIR_DEBUG("Unexpected client socket missing");
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goto cleanup;
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}
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if (STRNEQ(virNetSocketLocalAddrStringSASL(ssock), "127.0.0.1;0")) {
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VIR_DEBUG("Unexpected local address");
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goto cleanup;
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}
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if (STRNEQ(virNetSocketRemoteAddrStringSASL(ssock), "127.0.0.1;0")) {
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VIR_DEBUG("Unexpected remote address");
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goto cleanup;
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}
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if (STRNEQ(virNetSocketRemoteAddrStringURI(ssock), "127.0.0.1:0")) {
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VIR_DEBUG("Unexpected remote address");
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(path);
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virObjectUnref(lsock);
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virObjectUnref(ssock);
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virObjectUnref(csock);
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if (tmpdir)
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rmdir(tmpdir);
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return ret;
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}
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static int testSocketCommandNormal(const void *data ATTRIBUTE_UNUSED)
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{
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virNetSocketPtr csock = NULL; /* Client socket */
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char buf[100];
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size_t i;
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int ret = -1;
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virCommandPtr cmd = virCommandNewArgList("/bin/cat", "/dev/zero", NULL);
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virCommandAddEnvPassCommon(cmd);
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if (virNetSocketNewConnectCommand(cmd, &csock) < 0)
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goto cleanup;
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virNetSocketSetBlocking(csock, true);
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if (virNetSocketRead(csock, buf, sizeof(buf)) < 0)
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goto cleanup;
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for (i = 0; i < sizeof(buf); i++)
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if (buf[i] != '\0')
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goto cleanup;
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ret = 0;
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cleanup:
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virObjectUnref(csock);
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return ret;
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}
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static int testSocketCommandFail(const void *data ATTRIBUTE_UNUSED)
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{
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virNetSocketPtr csock = NULL; /* Client socket */
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char buf[100];
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int ret = -1;
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virCommandPtr cmd = virCommandNewArgList("/bin/cat", "/dev/does-not-exist", NULL);
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virCommandAddEnvPassCommon(cmd);
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if (virNetSocketNewConnectCommand(cmd, &csock) < 0)
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goto cleanup;
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virNetSocketSetBlocking(csock, true);
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if (virNetSocketRead(csock, buf, sizeof(buf)) == 0)
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goto cleanup;
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ret = 0;
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cleanup:
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virObjectUnref(csock);
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return ret;
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}
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struct testSSHData {
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const char *nodename;
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const char *service;
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const char *binary;
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const char *username;
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bool noTTY;
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bool noVerify;
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const char *netcat;
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const char *keyfile;
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const char *path;
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const char *expectOut;
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bool failConnect;
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bool dieEarly;
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};
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static int testSocketSSH(const void *opaque)
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{
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const struct testSSHData *data = opaque;
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virNetSocketPtr csock = NULL; /* Client socket */
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int ret = -1;
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char buf[1024];
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if (virNetSocketNewConnectSSH(data->nodename,
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data->service,
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data->binary,
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data->username,
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data->noTTY,
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data->noVerify,
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data->netcat,
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data->keyfile,
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data->path,
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&csock) < 0)
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goto cleanup;
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virNetSocketSetBlocking(csock, true);
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if (data->failConnect) {
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if (virNetSocketRead(csock, buf, sizeof(buf)-1) >= 0) {
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VIR_DEBUG("Expected connect failure, but got some socket data");
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goto cleanup;
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}
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} else {
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ssize_t rv;
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if ((rv = virNetSocketRead(csock, buf, sizeof(buf)-1)) < 0) {
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VIR_DEBUG("Didn't get any socket data");
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goto cleanup;
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}
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buf[rv] = '\0';
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if (STRNEQ(buf, data->expectOut)) {
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virTestDifference(stderr, data->expectOut, buf);
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goto cleanup;
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}
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if (data->dieEarly &&
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virNetSocketRead(csock, buf, sizeof(buf)-1) >= 0) {
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VIR_DEBUG("Got too much socket data");
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goto cleanup;
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}
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}
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ret = 0;
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cleanup:
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virObjectUnref(csock);
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return ret;
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}
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#endif
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static int
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mymain(void)
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{
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int ret = 0;
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#ifdef HAVE_IFADDRS_H
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bool hasIPv4, hasIPv6;
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int freePort;
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#endif
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signal(SIGPIPE, SIG_IGN);
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virEventRegisterDefaultImpl();
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#ifdef HAVE_IFADDRS_H
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if (checkProtocols(&hasIPv4, &hasIPv6, &freePort) < 0) {
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fprintf(stderr, "Cannot identify IPv4/6 availability\n");
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return EXIT_FAILURE;
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}
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if (hasIPv4) {
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struct testSocketData tcpData = { "127.0.0.1", freePort, "127.0.0.1" };
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if (virTestRun("Socket TCP/IPv4 Accept", testSocketAccept, &tcpData) < 0)
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ret = -1;
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}
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if (hasIPv6) {
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struct testSocketData tcpData = { "::1", freePort, "::1" };
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if (virTestRun("Socket TCP/IPv6 Accept", testSocketAccept, &tcpData) < 0)
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ret = -1;
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}
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if (hasIPv6 && hasIPv4) {
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struct testSocketData tcpData = { NULL, freePort, "127.0.0.1" };
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if (virTestRun("Socket TCP/IPv4+IPv6 Accept", testSocketAccept, &tcpData) < 0)
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ret = -1;
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tcpData.cnode = "::1";
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if (virTestRun("Socket TCP/IPv4+IPv6 Accept", testSocketAccept, &tcpData) < 0)
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ret = -1;
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}
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#endif
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#ifndef WIN32
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if (virTestRun("Socket UNIX Accept", testSocketAccept, NULL) < 0)
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ret = -1;
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|
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if (virTestRun("Socket UNIX Addrs", testSocketUNIXAddrs, NULL) < 0)
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ret = -1;
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|
if (virTestRun("Socket External Command /dev/zero", testSocketCommandNormal, NULL) < 0)
|
|
ret = -1;
|
|
if (virTestRun("Socket External Command /dev/does-not-exist", testSocketCommandFail, NULL) < 0)
|
|
ret = -1;
|
|
|
|
struct testSSHData sshData1 = {
|
|
.nodename = "somehost",
|
|
.path = "/tmp/socket",
|
|
.expectOut = "-- somehost sh -c 'if 'nc' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
|
|
"ARG=-q0;"
|
|
"else "
|
|
"ARG=;"
|
|
"fi;"
|
|
"'nc' $ARG -U /tmp/socket'\n",
|
|
};
|
|
if (virTestRun("SSH test 1", testSocketSSH, &sshData1) < 0)
|
|
ret = -1;
|
|
|
|
struct testSSHData sshData2 = {
|
|
.nodename = "somehost",
|
|
.service = "9000",
|
|
.username = "fred",
|
|
.netcat = "netcat",
|
|
.noTTY = true,
|
|
.noVerify = false,
|
|
.path = "/tmp/socket",
|
|
.expectOut = "-p 9000 -l fred -T -o BatchMode=yes -e none -- somehost sh -c '"
|
|
"if 'netcat' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
|
|
"ARG=-q0;"
|
|
"else "
|
|
"ARG=;"
|
|
"fi;"
|
|
"'netcat' $ARG -U /tmp/socket'\n",
|
|
};
|
|
if (virTestRun("SSH test 2", testSocketSSH, &sshData2) < 0)
|
|
ret = -1;
|
|
|
|
struct testSSHData sshData3 = {
|
|
.nodename = "somehost",
|
|
.service = "9000",
|
|
.username = "fred",
|
|
.netcat = "netcat",
|
|
.noTTY = false,
|
|
.noVerify = true,
|
|
.path = "/tmp/socket",
|
|
.expectOut = "-p 9000 -l fred -o StrictHostKeyChecking=no -- somehost sh -c '"
|
|
"if 'netcat' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
|
|
"ARG=-q0;"
|
|
"else "
|
|
"ARG=;"
|
|
"fi;"
|
|
"'netcat' $ARG -U /tmp/socket'\n",
|
|
};
|
|
if (virTestRun("SSH test 3", testSocketSSH, &sshData3) < 0)
|
|
ret = -1;
|
|
|
|
struct testSSHData sshData4 = {
|
|
.nodename = "nosuchhost",
|
|
.path = "/tmp/socket",
|
|
.failConnect = true,
|
|
};
|
|
if (virTestRun("SSH test 4", testSocketSSH, &sshData4) < 0)
|
|
ret = -1;
|
|
|
|
struct testSSHData sshData5 = {
|
|
.nodename = "crashyhost",
|
|
.path = "/tmp/socket",
|
|
.expectOut = "-- crashyhost sh -c "
|
|
"'if 'nc' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
|
|
"ARG=-q0;"
|
|
"else "
|
|
"ARG=;"
|
|
"fi;"
|
|
"'nc' $ARG -U /tmp/socket'\n",
|
|
.dieEarly = true,
|
|
};
|
|
if (virTestRun("SSH test 5", testSocketSSH, &sshData5) < 0)
|
|
ret = -1;
|
|
|
|
struct testSSHData sshData6 = {
|
|
.nodename = "example.com",
|
|
.path = "/tmp/socket",
|
|
.keyfile = "/root/.ssh/example_key",
|
|
.noVerify = true,
|
|
.expectOut = "-i /root/.ssh/example_key -o StrictHostKeyChecking=no -- example.com sh -c '"
|
|
"if 'nc' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
|
|
"ARG=-q0;"
|
|
"else "
|
|
"ARG=;"
|
|
"fi;"
|
|
"'nc' $ARG -U /tmp/socket'\n",
|
|
};
|
|
if (virTestRun("SSH test 6", testSocketSSH, &sshData6) < 0)
|
|
ret = -1;
|
|
|
|
struct testSSHData sshData7 = {
|
|
.nodename = "somehost",
|
|
.netcat = "nc -4",
|
|
.path = "/tmp/socket",
|
|
.expectOut = "-- somehost sh -c 'if ''nc -4'' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
|
|
"ARG=-q0;"
|
|
"else "
|
|
"ARG=;"
|
|
"fi;"
|
|
"''nc -4'' $ARG -U /tmp/socket'\n",
|
|
};
|
|
if (virTestRun("SSH test 7", testSocketSSH, &sshData7) < 0)
|
|
ret = -1;
|
|
|
|
#endif
|
|
|
|
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
VIR_TEST_MAIN(mymain)
|