/* Returns the number of defined filters or -1 in case of an error */ static int adminConnectGetLoggingFilters(char **filters, unsigned int flags) { char *tmp = NULL; int ret = 0; virCheckFlags(0, -1); if ((ret = virLogGetNbFilters()) > 0 && !(tmp = virLogGetFilters())) return -1; *filters = tmp; 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) { 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); virCommandAddArg(cmd, "--background"); for (i = 0; i < nveths; i++) { virCommandAddArgList(cmd, "--veth", veths[i], NULL); } virCommandPassFD(cmd, handshakefd, 0); return cmd; cleanup: virCommandFree(cmd); virObjectUnref(cfg); return NULL; }