static int virNetSocketForkDaemon(const char *binary)
{
int ret;
virCommandPtr cmd = virCommandNewArgList(binary,
"--timeout=30",
NULL);
virCommandAddEnvPassCommon(cmd);
virCommandClearCaps(cmd);
virCommandDaemonize(cmd);
ret = virCommandRun(cmd, NULL);
virCommandFree(cmd);
return ret;
}
static virCommandPtr
virLXCProcessBuildControllerCmd(virLXCDriverPtr driver,
virDomainObjPtr vm,
int nveths,
char **veths,
int *ttyFDs,
size_t nttyFDs,
int *files,
size_t nfiles,
int handshakefd,
int logfd,
const char *pidfile)
{
size_t i;
char *filterstr;
char *outputstr;
virCommandPtr cmd;
virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
cmd = virCommandNew(vm->def->emulator);
/* The controller may call ip command, so we have to retain PATH. */
virCommandAddEnvPassBlockSUID(cmd, "PATH", "/bin:/usr/bin");
virCommandAddEnvFormat(cmd, "LIBVIRT_DEBUG=%d",
virLogGetDefaultPriority());
if (virLogGetNbFilters() > 0) {
filterstr = virLogGetFilters();
if (!filterstr) {
virReportOOMError();
goto cleanup;
}
virCommandAddEnvPair(cmd, "LIBVIRT_LOG_FILTERS", filterstr);
VIR_FREE(filterstr);
}
if (cfg->log_libvirtd) {
if (virLogGetNbOutputs() > 0) {
outputstr = virLogGetOutputs();
if (!outputstr) {
virReportOOMError();
goto cleanup;
}
virCommandAddEnvPair(cmd, "LIBVIRT_LOG_OUTPUTS", outputstr);
VIR_FREE(outputstr);
}
} else {
virCommandAddEnvFormat(cmd,
"LIBVIRT_LOG_OUTPUTS=%d:stderr",
virLogGetDefaultPriority());
}
virCommandAddArgList(cmd, "--name", vm->def->name, NULL);
for (i = 0; i < nttyFDs; i++) {
virCommandAddArg(cmd, "--console");
virCommandAddArgFormat(cmd, "%d", ttyFDs[i]);
virCommandPassFD(cmd, ttyFDs[i], 0);
}
for (i = 0; i < nfiles; i++) {
virCommandAddArg(cmd, "--passfd");
virCommandAddArgFormat(cmd, "%d", files[i]);
virCommandPassFD(cmd, files[i], 0);
}
virCommandAddArgPair(cmd, "--security",
virSecurityManagerGetModel(driver->securityManager));
virCommandAddArg(cmd, "--handshake");
virCommandAddArgFormat(cmd, "%d", handshakefd);
for (i = 0; i < nveths; i++)
virCommandAddArgList(cmd, "--veth", veths[i], NULL);
virCommandPassFD(cmd, handshakefd, 0);
virCommandDaemonize(cmd);
virCommandSetPidFile(cmd, pidfile);
virCommandSetOutputFD(cmd, &logfd);
virCommandSetErrorFD(cmd, &logfd);
/* So we can pause before exec'ing the controller to
* write the live domain status XML with the PID */
virCommandRequireHandshake(cmd);
return cmd;
cleanup:
virCommandFree(cmd);
virObjectUnref(cfg);
return NULL;
}
