/*
* Check if instance with given name exists for a service.
* Returns 0 is instance exist
*/
int
smb_smf_instance_exists(smb_scfhandle_t *handle, char *inst_name)
{
int ret = SMBC_SMF_OK;
if (handle == NULL) {
return (SMBC_SMF_SYSTEM_ERR);
}
handle->scf_instance = scf_instance_create(handle->scf_handle);
if (scf_service_get_instance(handle->scf_service, inst_name,
handle->scf_instance) != SCF_SUCCESS) {
ret = SMBC_SMF_SYSTEM_ERR;
}
scf_instance_destroy(handle->scf_instance);
handle->scf_instance = NULL;
return (ret);
}
/*
* Create a service instance. returns 0 if successful.
* If instance already exists enable it.
*/
int
smb_smf_instance_create(smb_scfhandle_t *handle, char *serv_prefix,
char *inst_name)
{
char *instance;
int ret = SMBC_SMF_OK;
int sz;
if (handle == NULL) {
return (SMBC_SMF_SYSTEM_ERR);
}
if (!serv_prefix || !inst_name) {
return (SMBC_SMF_SYSTEM_ERR);
}
sz = strlen(serv_prefix) + strlen(inst_name) + 2;
instance = malloc(sz);
if (!instance) {
return (SMBC_SMF_SYSTEM_ERR);
}
(void) snprintf(instance, sz, "%s:%s", serv_prefix, inst_name);
handle->scf_instance = scf_instance_create(handle->scf_handle);
if (scf_service_get_instance(handle->scf_service, inst_name,
handle->scf_instance) != SCF_SUCCESS) {
if (scf_service_add_instance(handle->scf_service,
inst_name, handle->scf_instance) == SCF_SUCCESS) {
if (smf_enable_instance(instance, 0))
ret = SMBC_SMF_SYSTEM_ERR;
} else {
ret = SMBC_SMF_SYSTEM_ERR;
}
} else {
if (smf_enable_instance(instance, 0))
ret = SMBC_SMF_SYSTEM_ERR;
}
free(instance);
return (ret);
}
/*
* Delete a specified instance. Return SMBC_SMF_OK for success.
*/
int
smb_smf_instance_delete(smb_scfhandle_t *handle, char *inst_name)
{
int ret = SMBC_SMF_OK;
if (handle == NULL) {
return (SMBC_SMF_SYSTEM_ERR);
}
handle->scf_instance = scf_instance_create(handle->scf_handle);
if (scf_service_get_instance(handle->scf_service, inst_name,
handle->scf_instance) == SCF_SUCCESS) {
if (scf_instance_delete(handle->scf_instance) == SCF_SUCCESS) {
return (ret);
} else {
ret = SMBC_SMF_SYSTEM_ERR;
}
} else {
smb_smf_scf_log_error(NULL);
ret = SMBC_SMF_SYSTEM_ERR;
}
return (ret);
}
static int
create_instance(scf_handle_t *handle, scf_service_t *svc,
const char *instance_name, const char *kssl_entry, const char *command,
const char *username, char *inaddr_any_name)
{
int status = FAILURE;
char *buf;
boolean_t errflag = B_FALSE;
ssize_t max_fmri_len;
scf_instance_t *instance;
instance = scf_instance_create(handle);
if (instance == NULL) {
errflag = B_TRUE;
KSSL_DEBUG("scf_instance_create failed: %s\n",
scf_strerror(scf_error()));
goto out;
}
KSSL_DEBUG("scf_instance_create succeeded\n");
if (scf_service_get_instance(svc, inaddr_any_name, instance) == 0) {
/* Let the caller deal with the duplicate instance */
status = INSTANCE_ANY_EXISTS;
goto out;
}
if (scf_service_add_instance(svc, instance_name, instance) != 0) {
if (scf_error() == SCF_ERROR_EXISTS) {
/* Let the caller deal with the duplicate instance */
status = INSTANCE_OTHER_EXISTS;
goto out;
}
errflag = B_TRUE;
KSSL_DEBUG("scf_service_add_instance failed: %s\n",
scf_strerror(scf_error()));
goto out;
}
KSSL_DEBUG("scf_service_add_instance succeeded\n");
if ((add_pg_method(handle, instance, kssl_entry, "start",
command, username) != SUCCESS) ||
(add_pg_method(handle, instance, kssl_entry, "refresh",
command, username) != SUCCESS) ||
(add_pg_method(handle, instance, kssl_entry, "stop",
"", username) != SUCCESS)) {
scf_instance_destroy(instance);
return (status);
}
/* enabling the instance */
max_fmri_len = scf_limit(SCF_LIMIT_MAX_FMRI_LENGTH);
if ((buf = malloc(max_fmri_len + 1)) == NULL)
goto out;
if (scf_instance_to_fmri(instance, buf, max_fmri_len + 1) > 0) {
KSSL_DEBUG("instance_fmri=%s\n", buf);
if (smf_enable_instance(buf, 0) != 0) {
errflag = B_TRUE;
KSSL_DEBUG(
"smf_enable_instance failed: %s\n",
scf_strerror(scf_error()));
goto out;
}
status = SUCCESS;
}
out:
if (instance != NULL)
scf_instance_destroy(instance);
if (errflag)
(void) fprintf(stderr, gettext(
"Unexpected fatal libscf error: %s. Exiting.\n"),
scf_strerror(scf_error()));
return (status);
}
int
delete_instance(const char *instance_name)
{
int status = FAILURE;
char *buf;
boolean_t errflag = B_FALSE;
ssize_t max_fmri_len;
scf_scope_t *scope;
scf_service_t *svc;
scf_handle_t *handle;
scf_instance_t *instance;
handle = scf_handle_create(SCF_VERSION);
if (handle == NULL) {
errflag = B_TRUE;
KSSL_DEBUG("scf_handle_create failed: %s\n",
scf_strerror(scf_error()));
goto out1;
}
KSSL_DEBUG("scf_handle_create succeeded\n");
if (scf_handle_bind(handle) == -1) {
errflag = B_TRUE;
KSSL_DEBUG("scf_handle_bind failed: %s\n",
scf_strerror(scf_error()));
goto out1;
}
KSSL_DEBUG("scf_handle_bind succeeded\n");
if ((scope = scf_scope_create(handle)) == NULL) {
errflag = B_TRUE;
KSSL_DEBUG("scf_scope_create failed: %s\n",
scf_strerror(scf_error()));
goto out2;
}
KSSL_DEBUG("scf_scope_create succeeded\n");
if ((svc = scf_service_create(handle)) == NULL) {
errflag = B_TRUE;
KSSL_DEBUG("scf_service_create failed: %s\n",
scf_strerror(scf_error()));
goto out3;
}
KSSL_DEBUG("scf_service_create succeeded\n");
if (scf_handle_get_scope(handle, SCF_SCOPE_LOCAL, scope) == -1) {
errflag = B_TRUE;
KSSL_DEBUG("scf_handle_get_scope failed: %s\n",
scf_strerror(scf_error()));
goto out4;
}
KSSL_DEBUG("scf_handle_get_scope succeeded\n");
if (scf_scope_get_service(scope, SERVICE_NAME, svc) < 0) {
scf_error_t scf_errnum = scf_error();
if (scf_errnum != SCF_ERROR_NOT_FOUND) {
errflag = B_TRUE;
KSSL_DEBUG(
"ERROR scf_scope_get_service failed: %s\n",
scf_strerror(scf_errnum));
}
goto out4;
} else {
KSSL_DEBUG("scf_scope_get_service succeeded\n");
}
instance = scf_instance_create(handle);
if (instance == NULL) {
errflag = B_TRUE;
KSSL_DEBUG("scf_instance_create failed: %s\n",
scf_strerror(scf_error()));
goto out4;
}
if (scf_service_get_instance(svc, instance_name, instance) != 0) {
scf_error_t scf_errnum = scf_error();
if (scf_errnum == SCF_ERROR_NOT_FOUND) {
status = SUCCESS;
} else {
errflag = B_TRUE;
KSSL_DEBUG(
"ERROR scf_scope_get_service failed: %s\n",
scf_strerror(scf_errnum));
}
scf_instance_destroy(instance);
goto out4;
}
max_fmri_len = scf_limit(SCF_LIMIT_MAX_FMRI_LENGTH);
if ((buf = malloc(max_fmri_len + 1)) == NULL)
goto out4;
if (scf_instance_to_fmri(instance, buf, max_fmri_len + 1) > 0) {
char *state;
KSSL_DEBUG("instance_fmri=%s\n", buf);
state = smf_get_state(buf);
if (state)
KSSL_DEBUG("state=%s\n", state);
if (state && strcmp(state, "online") == 0) {
if (smf_disable_instance(buf, 0) != 0) {
errflag = B_TRUE;
KSSL_DEBUG(
"smf_disable_instance failed: %s\n",
scf_strerror(scf_error()));
} else {
/*
* Wait for some time till timeout to avoid
* a race with scf_instance_delete() below.
*/
wait_till_to(buf);
}
}
}
if (scf_instance_delete(instance) != 0) {
errflag = B_TRUE;
KSSL_DEBUG(
"ERROR scf_instance_delete failed: %s\n",
scf_strerror(scf_error()));
goto out4;
} else {
KSSL_DEBUG("deleted %s\n", instance_name);
}
status = SUCCESS;
out4:
scf_service_destroy(svc);
out3:
scf_scope_destroy(scope);
out2:
(void) scf_handle_unbind(handle);
out1:
if (handle != NULL)
scf_handle_destroy(handle);
if (errflag)
(void) fprintf(stderr, gettext(
"Unexpected fatal libscf error: %s. Exiting.\n"),
scf_strerror(scf_error()));
return (status);
}
