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qemu: Move high-level actions close together
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Andrea Bolognani
parent
cc132636fc
commit
e7be6be775
@ -224,123 +224,6 @@ qemuTPMEmulatorDeleteStorage(virDomainTPMDef *tpm)
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}
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/*
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* qemuTPMEmulatorInitPaths:
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*
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* @tpm: TPM definition for an emulator type
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* @swtpmStorageDir: the general swtpm storage dir which is used as a base
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* directory for creating VM specific directories
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* @logDir: directory where swtpm writes its logs into
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* @vmname: name of the VM
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* @uuid: the UUID of the VM
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*/
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static int
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qemuTPMEmulatorInitPaths(virDomainTPMDef *tpm,
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const char *swtpmStorageDir,
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const char *logDir,
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const char *vmname,
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const unsigned char *uuid)
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{
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char uuidstr[VIR_UUID_STRING_BUFLEN];
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virUUIDFormat(uuid, uuidstr);
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if (!tpm->data.emulator.storagepath &&
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!(tpm->data.emulator.storagepath =
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qemuTPMEmulatorStorageBuildPath(swtpmStorageDir, uuidstr,
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tpm->version)))
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return -1;
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if (!tpm->data.emulator.logfile) {
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tpm->data.emulator.logfile = qemuTPMEmulatorLogBuildPath(logDir,
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vmname);
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}
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return 0;
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}
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/**
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* qemuTPMEmulatorCleanupHost:
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* @tpm: TPM definition
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*
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* Clean up persistent storage for the swtpm.
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*/
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static void
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qemuTPMEmulatorCleanupHost(virDomainTPMDef *tpm)
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{
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if (!tpm->data.emulator.persistent_state)
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qemuTPMEmulatorDeleteStorage(tpm);
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}
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/*
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* qemuTPMEmulatorPrepareHost:
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*
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* @tpm: tpm definition
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* @logDir: directory where swtpm writes its logs into
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* @swtpm_user: uid to run the swtpm with
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* @swtpm_group: gid to run the swtpm with
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* @swtpmStateDir: directory for swtpm runtime state
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* @qemu_user: uid that qemu will run with; we share the socket file with it
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* @shortName: short and unique name of the domain
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*
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* Prepare the log directory for the swtpm and adjust ownership of it and the
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* log file we will be using. Prepare the state directory where we will share
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* the socket between tss and qemu users.
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*/
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static int
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qemuTPMEmulatorPrepareHost(virDomainTPMDef *tpm,
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const char *logDir,
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uid_t swtpm_user,
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gid_t swtpm_group,
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const char *swtpmStateDir,
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uid_t qemu_user,
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const char *shortName)
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{
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/* create log dir ... allow 'tss' user to cd into it */
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if (g_mkdir_with_parents(logDir, 0711) < 0)
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return -1;
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/* ... and adjust ownership */
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if (virDirCreate(logDir, 0730, swtpm_user, swtpm_group,
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VIR_DIR_CREATE_ALLOW_EXIST) < 0)
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return -1;
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if (!virFileExists(tpm->data.emulator.logfile) &&
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virFileTouch(tpm->data.emulator.logfile, 0644) < 0) {
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return -1;
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}
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/* ... and make sure it can be accessed by swtpm_user */
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if (chown(tpm->data.emulator.logfile, swtpm_user, swtpm_group) < 0) {
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virReportSystemError(errno,
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_("Could not chown on swtpm logfile %s"),
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tpm->data.emulator.logfile);
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return -1;
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}
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/*
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create our swtpm state dir ...
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- QEMU user needs to be able to access the socket there
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- swtpm group needs to be able to create files there
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- in privileged mode 0570 would be enough, for non-privileged mode
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we need 0770
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*/
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if (virDirCreate(swtpmStateDir, 0770, qemu_user, swtpm_group,
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VIR_DIR_CREATE_ALLOW_EXIST) < 0)
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return -1;
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/* create the socket filename */
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if (!tpm->data.emulator.source->data.nix.path &&
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!(tpm->data.emulator.source->data.nix.path =
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qemuTPMEmulatorSocketBuildPath(swtpmStateDir, shortName)))
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return -1;
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tpm->data.emulator.source->type = VIR_DOMAIN_CHR_TYPE_UNIX;
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return 0;
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}
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/*
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* qemuTPMSetupEncryption
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*
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@ -772,6 +655,134 @@ qemuTPMEmulatorBuildCommand(virDomainTPMDef *tpm,
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}
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/* --------------------
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* High-level actions
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* --------------------
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*
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* Each of these corresponds to one of the public entry points
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* defined below, but operates on a single TPM device instead of the
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* entire VM.
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*/
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/*
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* qemuTPMEmulatorInitPaths:
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*
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* @tpm: TPM definition for an emulator type
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* @swtpmStorageDir: the general swtpm storage dir which is used as a base
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* directory for creating VM specific directories
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* @logDir: directory where swtpm writes its logs into
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* @vmname: name of the VM
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* @uuid: the UUID of the VM
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*/
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static int
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qemuTPMEmulatorInitPaths(virDomainTPMDef *tpm,
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const char *swtpmStorageDir,
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const char *logDir,
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const char *vmname,
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const unsigned char *uuid)
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{
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char uuidstr[VIR_UUID_STRING_BUFLEN];
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virUUIDFormat(uuid, uuidstr);
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if (!tpm->data.emulator.storagepath &&
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!(tpm->data.emulator.storagepath =
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qemuTPMEmulatorStorageBuildPath(swtpmStorageDir, uuidstr,
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tpm->version)))
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return -1;
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if (!tpm->data.emulator.logfile) {
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tpm->data.emulator.logfile = qemuTPMEmulatorLogBuildPath(logDir,
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vmname);
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}
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return 0;
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}
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/**
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* qemuTPMEmulatorCleanupHost:
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* @tpm: TPM definition
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*
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* Clean up persistent storage for the swtpm.
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*/
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static void
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qemuTPMEmulatorCleanupHost(virDomainTPMDef *tpm)
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{
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if (!tpm->data.emulator.persistent_state)
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qemuTPMEmulatorDeleteStorage(tpm);
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}
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/*
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* qemuTPMEmulatorPrepareHost:
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*
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* @tpm: tpm definition
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* @logDir: directory where swtpm writes its logs into
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* @swtpm_user: uid to run the swtpm with
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* @swtpm_group: gid to run the swtpm with
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* @swtpmStateDir: directory for swtpm runtime state
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* @qemu_user: uid that qemu will run with; we share the socket file with it
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* @shortName: short and unique name of the domain
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*
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* Prepare the log directory for the swtpm and adjust ownership of it and the
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* log file we will be using. Prepare the state directory where we will share
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* the socket between tss and qemu users.
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*/
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static int
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qemuTPMEmulatorPrepareHost(virDomainTPMDef *tpm,
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const char *logDir,
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uid_t swtpm_user,
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gid_t swtpm_group,
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const char *swtpmStateDir,
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uid_t qemu_user,
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const char *shortName)
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{
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/* create log dir ... allow 'tss' user to cd into it */
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if (g_mkdir_with_parents(logDir, 0711) < 0)
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return -1;
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/* ... and adjust ownership */
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if (virDirCreate(logDir, 0730, swtpm_user, swtpm_group,
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VIR_DIR_CREATE_ALLOW_EXIST) < 0)
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return -1;
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if (!virFileExists(tpm->data.emulator.logfile) &&
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virFileTouch(tpm->data.emulator.logfile, 0644) < 0) {
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return -1;
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}
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/* ... and make sure it can be accessed by swtpm_user */
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if (chown(tpm->data.emulator.logfile, swtpm_user, swtpm_group) < 0) {
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virReportSystemError(errno,
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_("Could not chown on swtpm logfile %s"),
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tpm->data.emulator.logfile);
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return -1;
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}
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/*
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create our swtpm state dir ...
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- QEMU user needs to be able to access the socket there
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- swtpm group needs to be able to create files there
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- in privileged mode 0570 would be enough, for non-privileged mode
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we need 0770
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*/
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if (virDirCreate(swtpmStateDir, 0770, qemu_user, swtpm_group,
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VIR_DIR_CREATE_ALLOW_EXIST) < 0)
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return -1;
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/* create the socket filename */
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if (!tpm->data.emulator.source->data.nix.path &&
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!(tpm->data.emulator.source->data.nix.path =
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qemuTPMEmulatorSocketBuildPath(swtpmStateDir, shortName)))
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return -1;
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tpm->data.emulator.source->type = VIR_DOMAIN_CHR_TYPE_UNIX;
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return 0;
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}
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/*
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* qemuTPMEmulatorStop
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* @swtpmStateDir: A directory where the socket is located
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