/*
* UDF SMD get metadata items callback.
*/
static int udf_cask_get_metadata_cb(char *module, as_smd_item_list_t *items, void *udata)
{
udf_get_data_t *p_get_data = (udf_get_data_t *) udata;
cf_dyn_buf *out = p_get_data->db;
unsigned char hash[SHA_DIGEST_LENGTH];
// hex string to be returned to the client
unsigned char sha1_hex_buff[CF_SHA_HEX_BUFF_LEN];
// Currently just return directly for LUA
uint8_t udf_type = AS_UDF_TYPE_LUA;
for (int index = 0; index < items->num_items; index++) {
as_smd_item_t *item = items->item[index];
cf_debug(AS_UDF, "UDF metadata item[%d]: module \"%s\" ; key \"%s\" ; value \"%s\" ; generation %u ; timestamp %lu",
index, item->module_name, item->key, item->value, item->generation, item->timestamp);
cf_dyn_buf_append_string(out, "filename=");
cf_dyn_buf_append_buf(out, (uint8_t *)item->key, strlen(item->key));
cf_dyn_buf_append_string(out, ",");
SHA1((uint8_t *)item->value, strlen(item->value), hash);
// Convert to a hexadecimal string
cf_convert_sha1_to_hex(hash, sha1_hex_buff);
cf_dyn_buf_append_string(out, "hash=");
cf_dyn_buf_append_buf(out, sha1_hex_buff, CF_SHA_HEX_BUFF_LEN);
cf_dyn_buf_append_string(out, ",type=");
cf_dyn_buf_append_string(out, as_udf_type_name[udf_type]);
cf_dyn_buf_append_string(out, ";");
}
pthread_mutex_lock(p_get_data->mt);
p_get_data->done = true;
int retval = pthread_cond_signal(p_get_data->cv);
if (retval) {
cf_warning(AS_UDF, "pthread_cond_signal failed (rv %d)", retval);
}
pthread_mutex_unlock(p_get_data->mt);
return retval;
}
int udf_cask_info_list(char *name, cf_dyn_buf * out) {
DIR * dir = NULL;
bool not_empty = false;
struct dirent * entry = NULL;
int count = 0;
uint8_t * content = NULL;
size_t content_len = 0;
unsigned char content_gen[256] = {0};
unsigned char hash[SHA_DIGEST_LENGTH];
// hex string to be returned to the client
unsigned char sha1_hex_buff[CF_SHA_HEX_BUFF_LEN];
cf_debug(AS_INFO, "UDF CASK INFO LIST");
// Currently just return directly for LUA
uint8_t udf_type = AS_UDF_TYPE_LUA;
dir = opendir(g_config.mod_lua.user_path);
if ( dir == 0 ) {
cf_warning(AS_UDF, "could not open udf directory %s: %s", g_config.mod_lua.user_path, cf_strerror(errno));
return -1;
}
while ( (entry = readdir(dir)) && entry->d_name ) {
char * name = entry->d_name;
size_t len = strlen(name);
// if ( len < 4 ) continue;
if ( name[0] == '.' ) continue;
if ( not_empty ) {
cf_dyn_buf_append_char(out, ';');
}
else {
not_empty = true;
}
cf_dyn_buf_append_string(out, "filename=");
cf_dyn_buf_append_buf(out, (uint8_t *) name, len);
cf_dyn_buf_append_string(out, ",");
mod_lua_rdlock(&mod_lua);
if (file_read(name, &content, &content_len, content_gen) != 0) {
cf_info(AS_UDF, "UDF-list : file not readable");
cf_dyn_buf_append_string(out, "error=file_not_readable");
mod_lua_unlock(&mod_lua);
return 0;
}
mod_lua_unlock(&mod_lua);
SHA1(content, content_len, hash);
// Convert to a hexadecimal string
cf_convert_sha1_to_hex(hash, sha1_hex_buff);
cf_dyn_buf_append_string(out, "hash=");
cf_dyn_buf_append_buf(out, sha1_hex_buff, CF_SHA_HEX_BUFF_LEN);
cf_dyn_buf_append_string(out, ",type=");
cf_dyn_buf_append_string(out, as_udf_type_name[udf_type]);
count ++;
}
if (not_empty)
{
cf_dyn_buf_append_string(out, ";");
}
closedir(dir);
return 0;
}
/**
* @return AEROSPIKE_OK if successful. Otherwise an error occurred.
*/
as_status aerospike_udf_get(
aerospike * as, as_error * err, const as_policy_info * policy,
const char * filename, as_udf_type type, as_udf_file * file)
{
as_error_reset(err);
if (! policy) {
policy = &as->config.policies.info;
}
char command[512];
snprintf(command, sizeof(command), "udf-get:filename=%s;", filename);
char* response = 0;
as_status status = aerospike_info_any(as, err, policy, command, &response);
if (status) {
return status;
}
// response := <command>\tgen=<string>;type=<string>;content=<string>;
char* p = strchr(response, '\t');
if (!p) {
as_error_update(err, AEROSPIKE_ERR_PARAM, "Invalid udf-get response: %s", response);
free(response);
return AEROSPIKE_ERR_PARAM;
}
p++;
p = strstr(p, "content=");
if (!p) {
as_error_update(err, AEROSPIKE_ERR_PARAM, "Invalid udf-get response: %s", response);
free(response);
return AEROSPIKE_ERR_PARAM;
}
p += 8;
as_strncpy(file->name, filename, AS_UDF_FILE_NAME_SIZE);
file->type = AS_UDF_TYPE_LUA;
char* content = p;
while (*p) {
if (*p == ';') {
*p = 0;
break;
}
p++;
}
uint32_t len = (uint32_t)(p - content);
uint32_t size;
cf_b64_validate_and_decode_in_place((uint8_t*)content, len, &size);
// Update file hash
unsigned char hash[SHA_DIGEST_LENGTH];
#ifdef __APPLE__
// Openssl is deprecated on mac, but the library is still included.
// Save old settings and disable deprecated warnings.
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
SHA1((uint8_t*)content, size, hash);
#ifdef __APPLE__
// Restore old settings.
#pragma GCC diagnostic pop
#endif
cf_convert_sha1_to_hex(hash, file->hash);
file->content._free = true;
file->content.size = size;
file->content.capacity = size;
file->content.bytes = malloc(size);
memcpy(file->content.bytes, content, size);
free(response);
return AEROSPIKE_OK;
}
