/*
* Reading local directory to get specific module item's contents.
* In future if needed we can change this to reading from smd metadata.
*/
int udf_cask_info_get(char *name, char * params, cf_dyn_buf * out) {
int resp = 0;
char filename[128] = {0};
int filename_len = sizeof(filename);
uint8_t * content = NULL;
size_t content_len = 0;
unsigned char content_gen[256] = {0};
uint8_t udf_type = AS_UDF_TYPE_LUA;
cf_debug(AS_INFO, "UDF CASK INFO GET");
// get (required) script filename
if ( as_info_parameter_get(params, "filename", filename, &filename_len) ) {
cf_info(AS_INFO, "invalid or missing filename");
cf_dyn_buf_append_string(out, "error=invalid_filename");
return 0;
}
mod_lua_rdlock(&mod_lua);
// read the script from filesystem
resp = file_read(filename, &content, &content_len, content_gen);
mod_lua_unlock(&mod_lua);
if ( resp ) {
switch ( resp ) {
case 1 : {
cf_dyn_buf_append_string(out, "error=not_found");
break;
}
case 2 : {
cf_dyn_buf_append_string(out, "error=empty");
break;
}
default : {
cf_dyn_buf_append_string(out, "error=unknown_error");
break; // complier complains without a break;
}
}
}
else {
// put back the result
cf_dyn_buf_append_string(out, "gen=");
cf_dyn_buf_append_string(out, (char *) content_gen);
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, ";content=");
cf_dyn_buf_append_buf(out, content, content_len);
cf_dyn_buf_append_string(out, ";");
}
if ( content ) {
cf_free(content);
content = NULL;
}
return 0;
}
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;
}
