Exemple #1
0
static char *
virConfLoadConfigPath(const char *name)
{
    char *path;
    if (geteuid() == 0) {
        if (virAsprintf(&path, "%s/libvirt/libvirt%s%s.conf",
                        SYSCONFDIR,
                        name ? "-" : "",
                        name ? name : "") < 0)
            return NULL;
    } else {
        char *userdir = virGetUserConfigDirectory();
        if (!userdir)
            return NULL;

        if (virAsprintf(&path, "%s/libvirt%s%s.conf",
                        userdir,
                        name ? "-" : "",
                        name ? name : "") < 0) {
            VIR_FREE(userdir);
            return NULL;
        }
        VIR_FREE(userdir);
    }

    return path;
}
Exemple #2
0
int
daemonConfigFilePath(bool privileged, char **configfile)
{
    if (privileged) {
        if (!(*configfile = strdup(SYSCONFDIR "/libvirt/libvirtd.conf")))
            goto no_memory;
    } else {
        char *configdir = NULL;

        if (!(configdir = virGetUserConfigDirectory()))
            goto error;

        if (virAsprintf(configfile, "%s/libvirtd.conf", configdir) < 0) {
            VIR_FREE(configdir);
            goto no_memory;
        }
        VIR_FREE(configdir);
    }

    return 0;

no_memory:
    virReportOOMError();
error:
    return -1;
}
int
virLockDaemonConfigFilePath(bool privileged, char **configfile)
{
    if (privileged) {
        if (VIR_STRDUP(*configfile, SYSCONFDIR "/libvirt/virtlockd.conf") < 0)
            goto error;
    } else {
        char *configdir = NULL;

        if (!(configdir = virGetUserConfigDirectory()))
            goto error;

        if (virAsprintf(configfile, "%s/virtlockd.conf", configdir) < 0) {
            VIR_FREE(configdir);
            goto error;
        }
        VIR_FREE(configdir);
    }

    return 0;

 error:
    return -1;
}
Exemple #4
0
int
virAuthGetConfigFilePathURI(virURIPtr uri,
                            char **path)
{
    int ret = -1;
    size_t i;
    const char *authenv = virGetEnvBlockSUID("LIBVIRT_AUTH_FILE");
    char *userdir = NULL;

    *path = NULL;

    VIR_DEBUG("Determining auth config file path");

    if (authenv) {
        VIR_DEBUG("Using path from env '%s'", authenv);
        if (VIR_STRDUP(*path, authenv) < 0)
            goto cleanup;
        return 0;
    }

    if (uri) {
        for (i = 0; i < uri->paramsCount; i++) {
            if (STREQ_NULLABLE(uri->params[i].name, "authfile") &&
                uri->params[i].value) {
                VIR_DEBUG("Using path from URI '%s'", uri->params[i].value);
                if (VIR_STRDUP(*path, uri->params[i].value) < 0)
                    goto cleanup;
                return 0;
            }
        }
    }

    if (!(userdir = virGetUserConfigDirectory()))
        goto cleanup;

    if (virAsprintf(path, "%s/auth.conf", userdir) < 0)
        goto cleanup;

    VIR_DEBUG("Checking for readability of '%s'", *path);
    if (access(*path, R_OK) == 0)
        goto done;

    VIR_FREE(*path);

    if (VIR_STRDUP(*path, SYSCONFDIR "/libvirt/auth.conf") < 0)
        goto cleanup;

    VIR_DEBUG("Checking for readability of '%s'", *path);
    if (access(*path, R_OK) == 0)
        goto done;

    VIR_FREE(*path);

done:
    ret = 0;

    VIR_DEBUG("Using auth file '%s'", NULLSTR(*path));
cleanup:
    VIR_FREE(userdir);

    return ret;
}
Exemple #5
0
virQEMUDriverConfigPtr virQEMUDriverConfigNew(bool privileged)
{
    virQEMUDriverConfigPtr cfg;

    if (virQEMUConfigInitialize() < 0)
        return NULL;

    if (!(cfg = virObjectNew(virQEMUDriverConfigClass)))
        return NULL;

    cfg->uri = privileged ? "qemu:///system" : "qemu:///session";

    if (privileged) {
        if (virGetUserID(QEMU_USER, &cfg->user) < 0)
            goto error;
        if (virGetGroupID(QEMU_GROUP, &cfg->group) < 0)
            goto error;
    } else {
        cfg->user = (uid_t)-1;
        cfg->group = (gid_t)-1;
    }
    cfg->dynamicOwnership = privileged;

    cfg->cgroupControllers = -1; /* -1 == auto-detect */

    if (privileged) {
        if (virAsprintf(&cfg->logDir,
                        "%s/log/libvirt/qemu", LOCALSTATEDIR) < 0)
            goto error;

        if (VIR_STRDUP(cfg->configBaseDir, SYSCONFDIR "/libvirt") < 0)
            goto error;

        if (virAsprintf(&cfg->stateDir,
                      "%s/run/libvirt/qemu", LOCALSTATEDIR) < 0)
            goto error;

        if (virAsprintf(&cfg->cacheDir,
                      "%s/cache/libvirt/qemu", LOCALSTATEDIR) < 0)
            goto error;

        if (virAsprintf(&cfg->libDir,
                      "%s/lib/libvirt/qemu", LOCALSTATEDIR) < 0)
            goto error;
        if (virAsprintf(&cfg->saveDir, "%s/save", cfg->libDir) < 0)
            goto error;
        if (virAsprintf(&cfg->snapshotDir, "%s/snapshot", cfg->libDir) < 0)
            goto error;
        if (virAsprintf(&cfg->autoDumpPath, "%s/dump", cfg->libDir) < 0)
            goto error;
        if (virAsprintf(&cfg->channelTargetDir,
                        "%s/channel/target", cfg->libDir) < 0)
            goto error;
        if (virAsprintf(&cfg->nvramDir, "%s/nvram", cfg->libDir) < 0)
            goto error;
    } else {
        char *rundir;
        char *cachedir;

        cachedir = virGetUserCacheDirectory();
        if (!cachedir)
            goto error;

        if (virAsprintf(&cfg->logDir,
                        "%s/qemu/log", cachedir) < 0) {
            VIR_FREE(cachedir);
            goto error;
        }
        if (virAsprintf(&cfg->cacheDir, "%s/qemu/cache", cachedir) < 0) {
            VIR_FREE(cachedir);
            goto error;
        }
        VIR_FREE(cachedir);

        rundir = virGetUserRuntimeDirectory();
        if (!rundir)
            goto error;
        if (virAsprintf(&cfg->stateDir, "%s/qemu/run", rundir) < 0) {
            VIR_FREE(rundir);
            goto error;
        }
        VIR_FREE(rundir);

        if (!(cfg->configBaseDir = virGetUserConfigDirectory()))
            goto error;

        if (virAsprintf(&cfg->libDir, "%s/qemu/lib", cfg->configBaseDir) < 0)
            goto error;
        if (virAsprintf(&cfg->saveDir, "%s/qemu/save", cfg->configBaseDir) < 0)
            goto error;
        if (virAsprintf(&cfg->snapshotDir, "%s/qemu/snapshot", cfg->configBaseDir) < 0)
            goto error;
        if (virAsprintf(&cfg->autoDumpPath, "%s/qemu/dump", cfg->configBaseDir) < 0)
            goto error;
        if (virAsprintf(&cfg->channelTargetDir,
                        "%s/qemu/channel/target", cfg->configBaseDir) < 0)
            goto error;
        if (virAsprintf(&cfg->nvramDir,
                        "%s/qemu/nvram", cfg->configBaseDir) < 0)
            goto error;
    }

    if (virAsprintf(&cfg->configDir, "%s/qemu", cfg->configBaseDir) < 0)
        goto error;
    if (virAsprintf(&cfg->autostartDir, "%s/qemu/autostart", cfg->configBaseDir) < 0)
        goto error;


    if (VIR_STRDUP(cfg->vncListen, "127.0.0.1") < 0)
        goto error;

    if (VIR_STRDUP(cfg->vncTLSx509certdir, SYSCONFDIR "/pki/libvirt-vnc") < 0)
        goto error;

    if (VIR_STRDUP(cfg->spiceListen, "127.0.0.1") < 0)
        goto error;

    if (VIR_STRDUP(cfg->spiceTLSx509certdir,
                   SYSCONFDIR "/pki/libvirt-spice") < 0)
        goto error;

    cfg->remotePortMin = QEMU_REMOTE_PORT_MIN;
    cfg->remotePortMax = QEMU_REMOTE_PORT_MAX;

    cfg->webSocketPortMin = QEMU_WEBSOCKET_PORT_MIN;
    cfg->webSocketPortMax = QEMU_WEBSOCKET_PORT_MAX;

    cfg->migrationPortMin = QEMU_MIGRATION_PORT_MIN;
    cfg->migrationPortMax = QEMU_MIGRATION_PORT_MAX;

    /* For privileged driver, try and find hugetlbfs mounts automatically.
     * Non-privileged driver requires admin to create a dir for the
     * user, chown it, and then let user configure it manually. */
    if (privileged &&
        virFileFindHugeTLBFS(&cfg->hugetlbfs, &cfg->nhugetlbfs) < 0) {
        /* This however is not implemented on all platforms. */
        virErrorPtr err = virGetLastError();
        if (err && err->code != VIR_ERR_NO_SUPPORT)
            goto error;
    }

    if (VIR_STRDUP(cfg->bridgeHelperName, QEMU_BRIDGE_HELPER) < 0)
        goto error;

    cfg->clearEmulatorCapabilities = true;

    cfg->securityDefaultConfined = true;
    cfg->securityRequireConfined = false;

    cfg->keepAliveInterval = 5;
    cfg->keepAliveCount = 5;
    cfg->seccompSandbox = -1;

    cfg->logTimestamp = true;
    cfg->stdioLogD = true;

#ifdef DEFAULT_LOADER_NVRAM
    if (virFirmwareParseList(DEFAULT_LOADER_NVRAM,
                             &cfg->firmwares,
                             &cfg->nfirmwares) < 0)
        goto error;

#else
    if (VIR_ALLOC_N(cfg->firmwares, 2) < 0)
        goto error;
    cfg->nfirmwares = 2;
    if (VIR_ALLOC(cfg->firmwares[0]) < 0 || VIR_ALLOC(cfg->firmwares[1]) < 0)
        goto error;

    if (VIR_STRDUP(cfg->firmwares[0]->name, VIR_QEMU_AAVMF_LOADER_PATH) < 0 ||
        VIR_STRDUP(cfg->firmwares[0]->nvram, VIR_QEMU_AAVMF_NVRAM_PATH) < 0  ||
        VIR_STRDUP(cfg->firmwares[1]->name, VIR_QEMU_OVMF_LOADER_PATH) < 0 ||
        VIR_STRDUP(cfg->firmwares[1]->nvram, VIR_QEMU_OVMF_NVRAM_PATH) < 0)
        goto error;
#endif

    return cfg;

 error:
    virObjectUnref(cfg);
    return NULL;
}
Exemple #6
0
virQEMUDriverConfigPtr virQEMUDriverConfigNew(bool privileged)
{
    virQEMUDriverConfigPtr cfg;

    if (virQEMUConfigInitialize() < 0)
        return NULL;

    if (!(cfg = virObjectNew(virQEMUDriverConfigClass)))
        return NULL;

    cfg->privileged = privileged;
    cfg->uri = privileged ? "qemu:///system" : "qemu:///session";

    if (privileged) {
        if (virGetUserID(QEMU_USER, &cfg->user) < 0)
            goto error;
        if (virGetGroupID(QEMU_GROUP, &cfg->group) < 0)
            goto error;
    } else {
        cfg->user = (uid_t)-1;
        cfg->group = (gid_t)-1;
    }
    cfg->dynamicOwnership = privileged;

    cfg->cgroupControllers = -1; /* -1 == auto-detect */

    if (privileged) {
        if (virAsprintf(&cfg->logDir,
                        "%s/log/libvirt/qemu", LOCALSTATEDIR) < 0)
            goto error;

        if (VIR_STRDUP(cfg->configBaseDir, SYSCONFDIR "/libvirt") < 0)
            goto error;

        if (virAsprintf(&cfg->stateDir,
                      "%s/run/libvirt/qemu", LOCALSTATEDIR) < 0)
            goto error;

        if (virAsprintf(&cfg->libDir,
                      "%s/lib/libvirt/qemu", LOCALSTATEDIR) < 0)
            goto error;

        if (virAsprintf(&cfg->cacheDir,
                      "%s/cache/libvirt/qemu", LOCALSTATEDIR) < 0)
            goto error;
        if (virAsprintf(&cfg->saveDir,
                      "%s/lib/libvirt/qemu/save", LOCALSTATEDIR) < 0)
            goto error;
        if (virAsprintf(&cfg->snapshotDir,
                        "%s/lib/libvirt/qemu/snapshot", LOCALSTATEDIR) < 0)
            goto error;
        if (virAsprintf(&cfg->autoDumpPath,
                        "%s/lib/libvirt/qemu/dump", LOCALSTATEDIR) < 0)
            goto error;
    } else {
        char *rundir;
        char *cachedir;

        cachedir = virGetUserCacheDirectory();
        if (!cachedir)
            goto error;

        if (virAsprintf(&cfg->logDir,
                        "%s/qemu/log", cachedir) < 0) {
            VIR_FREE(cachedir);
            goto error;
        }
        if (virAsprintf(&cfg->cacheDir, "%s/qemu/cache", cachedir) < 0) {
            VIR_FREE(cachedir);
            goto error;
        }
        VIR_FREE(cachedir);

        rundir = virGetUserRuntimeDirectory();
        if (!rundir)
            goto error;
        if (virAsprintf(&cfg->stateDir, "%s/qemu/run", rundir) < 0) {
            VIR_FREE(rundir);
            goto error;
        }
        VIR_FREE(rundir);

        if (!(cfg->configBaseDir = virGetUserConfigDirectory()))
            goto error;

        if (virAsprintf(&cfg->libDir, "%s/qemu/lib", cfg->configBaseDir) < 0)
            goto error;
        if (virAsprintf(&cfg->saveDir, "%s/qemu/save", cfg->configBaseDir) < 0)
            goto error;
        if (virAsprintf(&cfg->snapshotDir, "%s/qemu/snapshot", cfg->configBaseDir) < 0)
            goto error;
        if (virAsprintf(&cfg->autoDumpPath, "%s/qemu/dump", cfg->configBaseDir) < 0)
            goto error;
    }

    if (virAsprintf(&cfg->configDir, "%s/qemu", cfg->configBaseDir) < 0)
        goto error;
    if (virAsprintf(&cfg->autostartDir, "%s/qemu/autostart", cfg->configBaseDir) < 0)
        goto error;


    if (VIR_STRDUP(cfg->vncListen, "127.0.0.1") < 0)
        goto error;

    if (VIR_STRDUP(cfg->vncTLSx509certdir, SYSCONFDIR "/pki/libvirt-vnc") < 0)
        goto error;

    if (VIR_STRDUP(cfg->spiceListen, "127.0.0.1") < 0)
        goto error;

    if (VIR_STRDUP(cfg->spiceTLSx509certdir,
                   SYSCONFDIR "/pki/libvirt-spice") < 0)
        goto error;

    cfg->remotePortMin = QEMU_REMOTE_PORT_MIN;
    cfg->remotePortMax = QEMU_REMOTE_PORT_MAX;

    cfg->webSocketPortMin = QEMU_WEBSOCKET_PORT_MIN;
    cfg->webSocketPortMax = QEMU_WEBSOCKET_PORT_MAX;

    cfg->migrationPortMin = QEMU_MIGRATION_PORT_MIN;
    cfg->migrationPortMax = QEMU_MIGRATION_PORT_MAX;

#if defined HAVE_MNTENT_H && defined HAVE_GETMNTENT_R
    /* For privileged driver, try and find hugepage mount automatically.
     * Non-privileged driver requires admin to create a dir for the
     * user, chown it, and then let user configure it manually */
    if (privileged &&
        !(cfg->hugetlbfsMount = virFileFindMountPoint("hugetlbfs"))) {
        if (errno != ENOENT) {
            virReportSystemError(errno, "%s",
                                 _("unable to find hugetlbfs mountpoint"));
            goto error;
        }
    }
#endif
    if (VIR_STRDUP(cfg->bridgeHelperName, "/usr/libexec/qemu-bridge-helper") < 0)
        goto error;

    cfg->clearEmulatorCapabilities = true;

    cfg->securityDefaultConfined = true;
    cfg->securityRequireConfined = false;

    cfg->keepAliveInterval = 5;
    cfg->keepAliveCount = 5;
    cfg->seccompSandbox = -1;

    return cfg;

error:
    virObjectUnref(cfg);
    return NULL;
}
Exemple #7
0
int virAuthGetConfigFilePath(virConnectPtr conn,
                             char **path)
{
    int ret = -1;
    size_t i;
    const char *authenv = getenv("LIBVIRT_AUTH_FILE");
    char *userdir = NULL;

    *path = NULL;

    VIR_DEBUG("Determining auth config file path");

    if (authenv) {
        VIR_DEBUG("Using path from env '%s'", authenv);
        if (!(*path = strdup(authenv)))
            goto no_memory;
        return 0;
    }

    if (conn && conn->uri) {
        for (i = 0 ; i < conn->uri->paramsCount ; i++) {
            if (STREQ_NULLABLE(conn->uri->params[i].name, "authfile") &&
                conn->uri->params[i].value) {
                VIR_DEBUG("Using path from URI '%s'",
                          conn->uri->params[i].value);
                if (!(*path = strdup(conn->uri->params[i].value)))
                    goto no_memory;
                return 0;
            }
        }
    }

    if (!(userdir = virGetUserConfigDirectory()))
        goto cleanup;

    if (virAsprintf(path, "%s/auth.conf", userdir) < 0)
        goto no_memory;

    VIR_DEBUG("Checking for readability of '%s'", *path);
    if (access(*path, R_OK) == 0)
        goto done;

    VIR_FREE(*path);

    if (!(*path = strdup(SYSCONFDIR "/libvirt/auth.conf")))
        goto no_memory;

    VIR_DEBUG("Checking for readability of '%s'", *path);
    if (access(*path, R_OK) == 0)
        goto done;

    VIR_FREE(*path);

done:
    ret = 0;

    VIR_DEBUG("Using auth file '%s'", NULLSTR(*path));
cleanup:
    VIR_FREE(userdir);

    return ret;

no_memory:
    virReportOOMError();
    goto cleanup;
}