/*
* qemuTPMEmulatorInit
*
* Initialize the Emulator functions by searching for necessary
* executables that we will use to start and setup the swtpm
*/
static int
qemuTPMEmulatorInit(void)
{
if (!swtpm_path) {
swtpm_path = virFindFileInPath("swtpm");
if (!swtpm_path) {
virReportSystemError(ENOENT, "%s",
_("Unable to find 'swtpm' binary in $PATH"));
return -1;
}
if (!virFileIsExecutable(swtpm_path)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("TPM emulator %s is not an executable"),
swtpm_path);
VIR_FREE(swtpm_path);
return -1;
}
}
if (!swtpm_setup) {
swtpm_setup = virFindFileInPath("swtpm_setup");
if (!swtpm_setup) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not find 'swtpm_setup' in PATH"));
return -1;
}
if (!virFileIsExecutable(swtpm_setup)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("'%s' is not an executable"),
swtpm_setup);
VIR_FREE(swtpm_setup);
return -1;
}
}
if (!swtpm_ioctl) {
swtpm_ioctl = virFindFileInPath("swtpm_ioctl");
if (!swtpm_ioctl) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not find swtpm_ioctl in PATH"));
return -1;
}
if (!virFileIsExecutable(swtpm_ioctl)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("swtpm_ioctl program %s is not an executable"),
swtpm_ioctl);
VIR_FREE(swtpm_ioctl);
return -1;
}
}
return 0;
}
int
virBhyveProbeCaps(unsigned int *caps)
{
char *binary, *help;
virCommandPtr cmd = NULL;
int ret = 0, exit;
binary = virFindFileInPath("bhyve");
if (binary == NULL)
goto out;
if (!virFileIsExecutable(binary))
goto out;
cmd = virCommandNew(binary);
virCommandAddArg(cmd, "-h");
virCommandSetErrorBuffer(cmd, &help);
if (virCommandRun(cmd, &exit) < 0) {
ret = -1;
goto out;
}
if (strstr(help, "-u:") != NULL)
*caps |= BHYVE_CAP_RTC_UTC;
out:
VIR_FREE(help);
virCommandFree(cmd);
VIR_FREE(binary);
return ret;
}
int
virBhyveProbeGrubCaps(virBhyveGrubCapsFlags *caps)
{
char *binary, *help;
virCommandPtr cmd;
int ret, exit;
ret = 0;
*caps = 0;
cmd = NULL;
help = NULL;
binary = virFindFileInPath("grub-bhyve");
if (binary == NULL)
goto out;
if (!virFileIsExecutable(binary))
goto out;
cmd = virCommandNew(binary);
virCommandAddArg(cmd, "--help");
virCommandSetOutputBuffer(cmd, &help);
if (virCommandRun(cmd, &exit) < 0) {
ret = -1;
goto out;
}
if (strstr(help, "--cons-dev") != NULL)
*caps |= BHYVE_GRUB_CAP_CONSDEV;
out:
VIR_FREE(help);
virCommandFree(cmd);
VIR_FREE(binary);
return ret;
}
virSysinfoDefPtr
virSysinfoRead(void) {
char *path;
virSysinfoDefPtr ret = NULL;
char *outbuf = NULL;
virCommandPtr cmd;
path = virFindFileInPath(SYSINFO_SMBIOS_DECODER);
if (path == NULL) {
virSmbiosReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to find path for %s binary"),
SYSINFO_SMBIOS_DECODER);
return NULL;
}
cmd = virCommandNewArgList(path, "-q", "-t", "0,1,4,17", NULL);
VIR_FREE(path);
virCommandSetOutputBuffer(cmd, &outbuf);
if (virCommandRun(cmd, NULL) < 0) {
virSmbiosReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to execute command %s"),
path);
goto cleanup;
}
if (VIR_ALLOC(ret) < 0)
goto no_memory;
ret->type = VIR_SYSINFO_SMBIOS;
if (virSysinfoParseBIOS(outbuf, ret) < 0)
goto no_memory;
if (virSysinfoParseSystem(outbuf, ret) < 0)
goto no_memory;
ret->nprocessor = 0;
ret->processor = NULL;
if (virSysinfoParseProcessor(outbuf, ret) < 0)
goto no_memory;
ret->nmemory = 0;
ret->memory = NULL;
if (virSysinfoParseMemory(outbuf, ret) < 0)
goto no_memory;
cleanup:
VIR_FREE(outbuf);
virCommandFree(cmd);
return ret;
no_memory:
virReportOOMError();
virSysinfoDefFree(ret);
ret = NULL;
goto cleanup;
}
static int
virIpTablesOnceInit(void)
{
virCommandPtr cmd;
int status;
#if HAVE_FIREWALLD
firewall_cmd_path = virFindFileInPath("firewall-cmd");
if (!firewall_cmd_path) {
VIR_INFO("firewall-cmd not found on system. "
"firewalld support disabled for iptables.");
} else {
cmd = virCommandNew(firewall_cmd_path);
virCommandAddArgList(cmd, "--state", NULL);
/* don't log non-zero status */
if (virCommandRun(cmd, &status) < 0 || status != 0) {
VIR_INFO("firewall-cmd found but disabled for iptables");
VIR_FREE(firewall_cmd_path);
firewall_cmd_path = NULL;
} else {
VIR_INFO("using firewalld for iptables commands");
}
virCommandFree(cmd);
}
if (firewall_cmd_path)
return 0;
#endif
cmd = virCommandNew(IPTABLES_PATH);
virCommandAddArgList(cmd, "-w", "-L", "-n", NULL);
/* don't log non-zero status */
if (virCommandRun(cmd, &status) < 0 || status != 0) {
VIR_INFO("xtables locking not supported by your iptables");
} else {
VIR_INFO("using xtables locking for iptables");
iptables_supports_xlock = true;
}
virCommandFree(cmd);
return 0;
}
static int
virEbTablesOnceInit(void)
{
firewall_cmd_path = virFindFileInPath("firewall-cmd");
if (!firewall_cmd_path) {
VIR_INFO("firewall-cmd not found on system. "
"firewalld support disabled for ebtables.");
} else {
virCommandPtr cmd = virCommandNew(firewall_cmd_path);
int status;
virCommandAddArgList(cmd, "--state", NULL);
if (virCommandRun(cmd, &status) < 0 || status != 0) {
VIR_INFO("firewall-cmd found but disabled for ebtables");
VIR_FREE(firewall_cmd_path);
firewall_cmd_path = NULL;
} else {
VIR_INFO("using firewalld for ebtables commands");
}
virCommandFree(cmd);
}
return 0;
}
static int
testPrepImages(void)
{
int ret = EXIT_FAILURE;
virCommandPtr cmd = NULL;
qemuimg = virFindFileInPath("kvm-img");
if (!qemuimg)
qemuimg = virFindFileInPath("qemu-img");
if (!qemuimg)
goto skip;
if (virAsprintf(&absraw, "%s/raw", datadir) < 0 ||
virAsprintf(&absqcow2, "%s/qcow2", datadir) < 0 ||
virAsprintf(&abswrap, "%s/wrap", datadir) < 0 ||
virAsprintf(&absqed, "%s/qed", datadir) < 0 ||
virAsprintf(&abslink2, "%s/sub/link2", datadir) < 0) {
virReportOOMError();
goto cleanup;
}
if (virFileMakePath(datadir "/sub") < 0) {
fprintf(stderr, "unable to create directory %s\n", datadir "/sub");
goto cleanup;
}
if (chdir(datadir) < 0) {
fprintf(stderr, "unable to test relative backing chains\n");
goto cleanup;
}
/* I'm lazy enough to use a shell one-liner instead of open/write/close */
virCommandFree(cmd);
cmd = virCommandNewArgList("sh", "-c", "printf %1024d 0 > raw", NULL);
if (virCommandRun(cmd, NULL) < 0) {
fprintf(stderr, "unable to create raw file\n");
goto cleanup;
}
if (!(canonraw = canonicalize_file_name(absraw))) {
virReportOOMError();
goto cleanup;
}
/* Create a qcow2 wrapping relative raw; later on, we modify its
* metadata to test other configurations */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "create", "-f", "qcow2",
"-obacking_file=raw,backing_fmt=raw", "qcow2",
NULL);
if (virCommandRun(cmd, NULL) < 0)
goto skip;
/* Make sure our later uses of 'qemu-img rebase' will work */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "raw", "-b", "raw", "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
goto skip;
if (!(canonqcow2 = canonicalize_file_name(absqcow2))) {
virReportOOMError();
goto cleanup;
}
/* Create a second qcow2 wrapping the first, to be sure that we
* can correctly avoid insecure probing. */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "create", "-f", "qcow2", NULL);
virCommandAddArgFormat(cmd, "-obacking_file=%s,backing_fmt=qcow2",
absqcow2);
virCommandAddArg(cmd, "wrap");
if (virCommandRun(cmd, NULL) < 0)
goto skip;
/* Create a qed file. */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "create", "-f", "qed", NULL);
virCommandAddArgFormat(cmd, "-obacking_file=%s,backing_fmt=raw",
absraw);
virCommandAddArg(cmd, "qed");
if (virCommandRun(cmd, NULL) < 0)
goto skip;
/* Create some symlinks in a sub-directory. */
if (symlink("../qcow2", datadir "/sub/link1") < 0 ||
symlink("../wrap", datadir "/sub/link2") < 0) {
fprintf(stderr, "unable to create symlink");
goto cleanup;
}
ret = 0;
cleanup:
virCommandFree(cmd);
if (ret)
testCleanupImages();
return ret;
skip:
fputs("qemu-img is too old; skipping this test\n", stderr);
ret = EXIT_AM_SKIP;
goto cleanup;
}
static int
qemuCapsInitGuest(virCapsPtr caps,
virCapsPtr old_caps,
const char *hostmachine,
const struct qemu_arch_info *info,
int hvm)
{
virCapsGuestPtr guest;
int i;
int haskvm = 0;
int haskqemu = 0;
char *kvmbin = NULL;
char *binary = NULL;
time_t binary_mtime;
virCapsGuestMachinePtr *machines = NULL;
int nmachines = 0;
struct stat st;
unsigned int ncpus;
virBitmapPtr qemuCaps = NULL;
int ret = -1;
/* Check for existance of base emulator, or alternate base
* which can be used with magic cpu choice
*/
binary = virFindFileInPath(info->binary);
if (binary == NULL || !virFileIsExecutable(binary)) {
VIR_FREE(binary);
binary = virFindFileInPath(info->altbinary);
}
/* Can use acceleration for KVM/KQEMU if
* - host & guest arches match
* Or
* - hostarch is x86_64 and guest arch is i686
* The latter simply needs "-cpu qemu32"
*/
if (STREQ(info->arch, hostmachine) ||
(STREQ(hostmachine, "x86_64") && STREQ(info->arch, "i686"))) {
if (access("/dev/kvm", F_OK) == 0) {
const char *const kvmbins[] = { "/usr/libexec/qemu-kvm", /* RHEL */
"qemu-kvm", /* Fedora */
"kvm" }; /* Upstream .spec */
for (i = 0; i < ARRAY_CARDINALITY(kvmbins); ++i) {
kvmbin = virFindFileInPath(kvmbins[i]);
if (!kvmbin)
continue;
haskvm = 1;
if (!binary)
binary = kvmbin;
break;
}
}
if (access("/dev/kqemu", F_OK) == 0)
haskqemu = 1;
}
if (!binary)
return 0;
/* Ignore binary if extracting version info fails */
if (qemuCapsExtractVersionInfo(binary, info->arch, NULL, &qemuCaps) < 0) {
ret = 0;
goto cleanup;
}
if (stat(binary, &st) == 0) {
binary_mtime = st.st_mtime;
} else {
char ebuf[1024];
VIR_WARN("Failed to stat %s, most peculiar : %s",
binary, virStrerror(errno, ebuf, sizeof(ebuf)));
binary_mtime = 0;
}
if (info->machine) {
virCapsGuestMachinePtr machine;
if (VIR_ALLOC(machine) < 0) {
goto no_memory;
}
if (!(machine->name = strdup(info->machine))) {
VIR_FREE(machine);
goto no_memory;
}
nmachines = 1;
if (VIR_ALLOC_N(machines, nmachines) < 0) {
VIR_FREE(machine->name);
VIR_FREE(machine);
goto no_memory;
}
machines[0] = machine;
} else {
int probe = 1;
if (old_caps && binary_mtime)
probe = !qemuCapsGetOldMachines(hvm ? "hvm" : "xen", info->arch,
info->wordsize, binary, binary_mtime,
old_caps, &machines, &nmachines);
if (probe &&
qemuCapsProbeMachineTypes(binary, &machines, &nmachines) < 0)
goto error;
}
/* We register kvm as the base emulator too, since we can
* just give -no-kvm to disable acceleration if required */
if ((guest = virCapabilitiesAddGuest(caps,
hvm ? "hvm" : "xen",
info->arch,
info->wordsize,
binary,
NULL,
nmachines,
machines)) == NULL)
goto error;
machines = NULL;
nmachines = 0;
guest->arch.defaultInfo.emulator_mtime = binary_mtime;
if (caps->host.cpu &&
qemuCapsProbeCPUModels(binary, NULL, info->arch, &ncpus, NULL) == 0 &&
ncpus > 0 &&
!virCapabilitiesAddGuestFeature(guest, "cpuselection", 1, 0))
goto error;
if (qemuCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX) &&
!virCapabilitiesAddGuestFeature(guest, "deviceboot", 1, 0))
goto error;
if (hvm) {
if (virCapabilitiesAddGuestDomain(guest,
"qemu",
NULL,
NULL,
0,
NULL) == NULL)
goto error;
if (haskqemu &&
virCapabilitiesAddGuestDomain(guest,
"kqemu",
NULL,
NULL,
0,
NULL) == NULL)
goto error;
if (haskvm) {
virCapsGuestDomainPtr dom;
if (stat(kvmbin, &st) == 0) {
binary_mtime = st.st_mtime;
} else {
char ebuf[1024];
VIR_WARN("Failed to stat %s, most peculiar : %s",
binary, virStrerror(errno, ebuf, sizeof(ebuf)));
binary_mtime = 0;
}
if (!STREQ(binary, kvmbin)) {
int probe = 1;
if (old_caps && binary_mtime)
probe = !qemuCapsGetOldMachines("hvm", info->arch, info->wordsize,
kvmbin, binary_mtime,
old_caps, &machines, &nmachines);
if (probe &&
qemuCapsProbeMachineTypes(kvmbin, &machines, &nmachines) < 0)
goto error;
}
if ((dom = virCapabilitiesAddGuestDomain(guest,
"kvm",
kvmbin,
NULL,
nmachines,
machines)) == NULL) {
goto error;
}
machines = NULL;
nmachines = 0;
dom->info.emulator_mtime = binary_mtime;
}
} else {
if (virCapabilitiesAddGuestDomain(guest,
"kvm",
NULL,
NULL,
0,
NULL) == NULL)
goto error;
}
if (info->nflags) {
for (i = 0 ; i < info->nflags ; i++) {
if (virCapabilitiesAddGuestFeature(guest,
info->flags[i].name,
info->flags[i].default_on,
info->flags[i].toggle) == NULL)
goto error;
}
}
ret = 0;
cleanup:
if (binary == kvmbin) {
/* don't double free */
VIR_FREE(binary);
} else {
VIR_FREE(binary);
VIR_FREE(kvmbin);
}
qemuCapsFree(qemuCaps);
return ret;
no_memory:
virReportOOMError();
error:
virCapabilitiesFreeMachines(machines, nmachines);
goto cleanup;
}
static int
testPrepImages(void)
{
int ret = EXIT_FAILURE;
virCommandPtr cmd = NULL;
char *buf = NULL;
bool compat = false;
qemuimg = virFindFileInPath("kvm-img");
if (!qemuimg)
qemuimg = virFindFileInPath("qemu-img");
if (!qemuimg)
goto skip;
/* Clean up from any earlier failed tests */
virFileDeleteTree(datadir);
/* See if qemu-img supports '-o compat=xxx'. If so, we force the
* use of both v2 and v3 files; if not, it is v2 only but the test
* still works. */
cmd = virCommandNewArgList(qemuimg, "create", "-f", "qcow2",
"-o?", "/dev/null", NULL);
virCommandSetOutputBuffer(cmd, &buf);
if (virCommandRun(cmd, NULL) < 0)
goto skip;
if (strstr(buf, "compat "))
compat = true;
VIR_FREE(buf);
if (virAsprintf(&absraw, "%s/raw", datadir) < 0 ||
virAsprintf(&absqcow2, "%s/qcow2", datadir) < 0 ||
virAsprintf(&abswrap, "%s/wrap", datadir) < 0 ||
virAsprintf(&absqed, "%s/qed", datadir) < 0 ||
virAsprintf(&absdir, "%s/dir", datadir) < 0 ||
virAsprintf(&abslink2, "%s/sub/link2", datadir) < 0)
goto cleanup;
if (virFileMakePath(datadir "/sub") < 0) {
fprintf(stderr, "unable to create directory %s\n", datadir "/sub");
goto cleanup;
}
if (virFileMakePath(datadir "/dir") < 0) {
fprintf(stderr, "unable to create directory %s\n", datadir "/dir");
goto cleanup;
}
if (!(canondir = canonicalize_file_name(absdir))) {
virReportOOMError();
goto cleanup;
}
if (chdir(datadir) < 0) {
fprintf(stderr, "unable to test relative backing chains\n");
goto cleanup;
}
if (virAsprintf(&buf, "%1024d", 0) < 0 ||
virFileWriteStr("raw", buf, 0600) < 0) {
fprintf(stderr, "unable to create raw file\n");
goto cleanup;
}
if (!(canonraw = canonicalize_file_name(absraw))) {
virReportOOMError();
goto cleanup;
}
/* Create a qcow2 wrapping relative raw; later on, we modify its
* metadata to test other configurations */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "create", "-f", "qcow2", NULL);
virCommandAddArgFormat(cmd, "-obacking_file=raw,backing_fmt=raw%s",
compat ? ",compat=0.10" : "");
virCommandAddArg(cmd, "qcow2");
if (virCommandRun(cmd, NULL) < 0)
goto skip;
/* Make sure our later uses of 'qemu-img rebase' will work */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "rebase", "-u", "-f", "qcow2",
"-F", "raw", "-b", "raw", "qcow2", NULL);
if (virCommandRun(cmd, NULL) < 0)
goto skip;
if (!(canonqcow2 = canonicalize_file_name(absqcow2))) {
virReportOOMError();
goto cleanup;
}
/* Create a second qcow2 wrapping the first, to be sure that we
* can correctly avoid insecure probing. */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "create", "-f", "qcow2", NULL);
virCommandAddArgFormat(cmd, "-obacking_file=%s,backing_fmt=qcow2%s",
absqcow2, compat ? ",compat=1.1" : "");
virCommandAddArg(cmd, "wrap");
if (virCommandRun(cmd, NULL) < 0)
goto skip;
if (!(canonwrap = canonicalize_file_name(abswrap))) {
virReportOOMError();
goto cleanup;
}
/* Create a qed file. */
virCommandFree(cmd);
cmd = virCommandNewArgList(qemuimg, "create", "-f", "qed", NULL);
virCommandAddArgFormat(cmd, "-obacking_file=%s,backing_fmt=raw",
absraw);
virCommandAddArg(cmd, "qed");
if (virCommandRun(cmd, NULL) < 0)
goto skip;
if (!(canonqed = canonicalize_file_name(absqed))) {
virReportOOMError();
goto cleanup;
}
#ifdef HAVE_SYMLINK
/* Create some symlinks in a sub-directory. */
if (symlink("../qcow2", datadir "/sub/link1") < 0 ||
symlink("../wrap", datadir "/sub/link2") < 0) {
fprintf(stderr, "unable to create symlink");
goto cleanup;
}
#endif
ret = 0;
cleanup:
VIR_FREE(buf);
virCommandFree(cmd);
if (ret)
testCleanupImages();
return ret;
skip:
fputs("qemu-img is too old; skipping this test\n", stderr);
ret = EXIT_AM_SKIP;
goto cleanup;
}
static virDrvOpenStatus
vmwareOpen(virConnectPtr conn,
virConnectAuthPtr auth ATTRIBUTE_UNUSED,
unsigned int flags)
{
struct vmware_driver *driver;
char * vmrun = NULL;
virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
if (conn->uri == NULL) {
/* @TODO accept */
return VIR_DRV_OPEN_DECLINED;
} else {
if (conn->uri->scheme == NULL ||
(STRNEQ(conn->uri->scheme, "vmwareplayer") &&
STRNEQ(conn->uri->scheme, "vmwarews")))
return VIR_DRV_OPEN_DECLINED;
/* If server name is given, its for remote driver */
if (conn->uri->server != NULL)
return VIR_DRV_OPEN_DECLINED;
/* If path isn't /session, then they typoed, so tell them correct path */
if (conn->uri->path == NULL || STRNEQ(conn->uri->path, "/session")) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unexpected VMware URI path '%s', try vmwareplayer:///session or vmwarews:///session"),
NULLSTR(conn->uri->path));
return VIR_DRV_OPEN_ERROR;
}
}
/* We now know the URI is definitely for this driver, so beyond
* here, don't return DECLINED, always use ERROR */
vmrun = virFindFileInPath(VMRUN);
if (vmrun == NULL) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("%s utility is missing"), VMRUN);
return VIR_DRV_OPEN_ERROR;
} else {
VIR_FREE(vmrun);
}
if (VIR_ALLOC(driver) < 0) {
virReportOOMError();
return VIR_DRV_OPEN_ERROR;
}
if (virMutexInit(&driver->lock) < 0)
goto cleanup;
driver->type = STRNEQ(conn->uri->scheme, "vmwareplayer") ?
TYPE_WORKSTATION : TYPE_PLAYER;
if (!(driver->domains = virDomainObjListNew()))
goto cleanup;
if (!(driver->caps = vmwareCapsInit()))
goto cleanup;
driver->caps->privateDataAllocFunc = vmwareDataAllocFunc;
driver->caps->privateDataFreeFunc = vmwareDataFreeFunc;
if (vmwareLoadDomains(driver) < 0)
goto cleanup;
if (vmwareExtractVersion(driver) < 0)
goto cleanup;
conn->privateData = driver;
return VIR_DRV_OPEN_SUCCESS;
cleanup:
vmwareFreeDriver(driver);
return VIR_DRV_OPEN_ERROR;
};
