srvd_boolean_t srvd_service_nss_passwd_request_name_get(const srvd_service_request_t *request,
char **name) {
srvd_protocol_packet_field_t *field = NULL;
srvd_protocol_packet_field_entry_t *entry = NULL;
SRVD_RETURN_FALSE_UNLESS(request);
SRVD_RETURN_FALSE_UNLESS(request->packet.field_count > 0);
SRVD_RETURN_FALSE_UNLESS(name);
SRVD_RETURN_FALSE_UNLESS(*name == NULL);
srvd_protocol_packet_field_get_first(&request->packet, &field);
if(field->type != SRVD_SERVICE_NSS_PASSWD_REQUEST_NAME) {
SRVD_LOG_ERROR("srvd_service_nss_passwd_request_name_get: Invalid packet type");
return SRVD_FALSE;
}
SRVD_RETURN_FALSE_UNLESS(field->entry_count == 1);
srvd_protocol_packet_field_entry_get_first(field, &entry);
*name = malloc(entry->size);
if(*name == NULL) {
SRVD_LOG_ERROR("srvd_service_nss_passwd_request_name_get: Unable to allocate memory for name");
return SRVD_FALSE;
}
strncpy(*name, entry->data, entry->size);
(*name)[entry->size - 1] = '\0';
return SRVD_TRUE;
}
srvd_boolean_t srvd_service_nss_passwd_request_entities_get(const srvd_service_request_t *request,
int32_t *offset) {
srvd_protocol_packet_field_t *field = NULL;
srvd_protocol_packet_field_entry_t *entry = NULL;
SRVD_RETURN_FALSE_UNLESS(request);
SRVD_RETURN_FALSE_UNLESS(request->packet.field_count > 0);
SRVD_RETURN_FALSE_UNLESS(offset);
srvd_protocol_packet_field_get_first(&request->packet, &field);
if(field->type != SRVD_SERVICE_NSS_PASSWD_REQUEST_ENTITIES) {
SRVD_LOG_ERROR("srvd_service_nss_passwd_request_entites_get: Invalid packet type");
return SRVD_FALSE;
}
SRVD_RETURN_FALSE_UNLESS(field->entry_count == 1);
srvd_protocol_packet_field_entry_get_first(field, &entry);
return srvd_protocol_packet_field_entry_get_uint32(entry, (uint32_t *)offset);
}
static enum nss_status _srvd_nss_aliases_populate(const srvd_service_response_t *response,
struct aliasent *ae, char *buffer, size_t bufsize, int *ret_errno) {
enum nss_status status = NSS_STATUS_SUCCESS;
srvd_protocol_packet_field_t *field;
SRVD_BUFFER(bi, buffer);
/* Servers are not required to send the LOCAL field. */
ae->alias_local = 0;
SRVD_SERVICE_RESPONSE_FIELD_ITERATE(response, field) {
srvd_protocol_packet_field_entry_t *entry = NULL;
switch(field->type) {
case SRVD_SERVICE_NSS_ALIASES_RESPONSE_NAME:
if(!srvd_protocol_packet_field_entry_get_first(field, &entry)) {
SRVD_NSS_FAIL(status, ret_errno, NSS_STATUS_TRYAGAIN, EINVAL,
_srvd_nss_aliases_populate_error);
}
if(!SRVD_BUFFER_CHECK_OFFSET(bi, buffer, bufsize, entry->size)) {
SRVD_NSS_FAIL(status, ret_errno, NSS_STATUS_TRYAGAIN, ERANGE,
_srvd_nss_aliases_populate_error);
}
strncpy(SRVD_BUFFER_REF(bi), entry->data, entry->size);
SRVD_BUFFER_REF(bi)[entry->size - 1] = '\0';
ae->alias_name = SRVD_BUFFER_REF(bi);
SRVD_BUFFER_ITERATOR_NEXT(bi, entry->size);
break;
case SRVD_SERVICE_NSS_ALIASES_RESPONSE_MEMBERS:
ae->alias_members_len = field->entry_count;
if(!SRVD_BUFFER_CHECK_OFFSET(bi, buffer, bufsize, ae->alias_members_len * sizeof(char *))) {
SRVD_NSS_FAIL(status, ret_errno, NSS_STATUS_TRYAGAIN, ERANGE,
_srvd_nss_aliases_populate_error);
}
memset(SRVD_BUFFER_REF(bi), 0, ae->alias_members_len * sizeof(char *));
ae->alias_members = (char **)SRVD_BUFFER_REF(bi);
SRVD_BUFFER_ITERATOR_NEXT(bi, ae->alias_members_len * sizeof(char *));
uint16_t entry_offset;
SRVD_PROTOCOL_PACKET_FIELD_ENTRY_ITERATE_COUNT(field, entry, entry_offset) {
if(!SRVD_BUFFER_CHECK_OFFSET(bi, buffer, bufsize, entry->size)) {
SRVD_NSS_FAIL(status, ret_errno, NSS_STATUS_TRYAGAIN, ERANGE,
_srvd_nss_aliases_populate_error);
}
strncpy(SRVD_BUFFER_REF(bi), entry->data, entry->size);
SRVD_BUFFER_REF(bi)[entry->size - 1] = '\0';
ae->alias_members[entry_offset] = SRVD_BUFFER_REF(bi);
SRVD_BUFFER_ITERATOR_NEXT(bi, entry->size);
}
break;
case SRVD_SERVICE_NSS_ALIASES_RESPONSE_LOCAL:
if(!srvd_protocol_packet_field_entry_get_first(field, &entry)) {
SRVD_NSS_FAIL(status, ret_errno, NSS_STATUS_TRYAGAIN, EINVAL,
_srvd_nss_aliases_populate_error);
}
srvd_protocol_packet_field_entry_get_uint8(entry, (uint8_t *)&ae->alias_local);
break;
default:
break;
}
}
