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/*
* Copyright (C) 2020-2021 Soleta Networks <info@soleta.eu>
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License as published by the
* Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*/
#include "json.h"
#include "cfg.h"
#include "ogAdmServer.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <syslog.h>
static int parse_json_rest(struct og_server_cfg *cfg, json_t *element)
{
const char *key;
json_t *value;
json_object_foreach(element, key, value) {
if (!strcmp(key, "ip")) {
if (og_json_parse_string(value, &cfg->rest.ip) < 0)
return -1;
} else if (!strcmp(key, "port")) {
if (og_json_parse_string(value, &cfg->rest.port) < 0)
return -1;
} else if (!strcmp(key, "api_token")) {
if (og_json_parse_string(value, &cfg->rest.api_token) < 0)
return -1;
} else {
syslog(LOG_ERR, "unknown key `%s' in rest\n", key);
return -1;
}
}
return 0;
}
static int parse_json_db(struct og_server_cfg *cfg, json_t *element)
{
const char *key;
json_t *value;
json_object_foreach(element, key, value) {
if (!strcmp(key, "ip")) {
if (og_json_parse_string(value, &cfg->db.ip) < 0)
return -1;
} else if (!strcmp(key, "user")) {
if (og_json_parse_string(value, &cfg->db.user) < 0)
return -1;
} else if (!strcmp(key, "pass")) {
if (og_json_parse_string(value, &cfg->db.pass) < 0)
return -1;
} else if (!strcmp(key, "name")) {
if (og_json_parse_string(value, &cfg->db.name) < 0)
return -1;
} else if (!strcmp(key, "port")) {
if (og_json_parse_string(value, &cfg->db.port) < 0)
return -1;
} else {
syslog(LOG_ERR, "unknown key `%s' in db\n", key);
return -1;
}
}
return 0;
}
static int parse_json_samba(struct og_server_cfg *cfg, json_t *element)
{
const char *key;
json_t *value;
json_object_foreach(element, key, value) {
if (!strcmp(key, "user")) {
if (og_json_parse_string(value, &cfg->smb.user) < 0)
return -1;
} else if (!strcmp(key, "pass")) {
if (og_json_parse_string(value, &cfg->smb.pass) < 0)
return -1;
} else {
syslog(LOG_ERR, "unknown key `%s' in samba\n", key);
return -1;
}
}
return 0;
}
static int parse_json_wol(struct og_server_cfg *cfg, json_t *element)
{
const char *key;
json_t *value;
json_object_foreach(element, key, value) {
if (!strcmp(key, "interface")) {
if (og_json_parse_string(value, &cfg->wol.interface) < 0)
return -1;
} else {
syslog(LOG_ERR, "unknown key `%s' in wol\n", key);
return -1;
}
}
return 0;
}
static int parse_json_repo(struct og_server_cfg *cfg, json_t *element)
{
const char *key;
json_t *value;
json_object_foreach(element, key, value) {
if (!strcmp(key, "directory")) {
if (og_json_parse_string(value, &cfg->repo.dir) < 0)
return -1;
} else {
syslog(LOG_ERR, "unknown key `%s' in repo\n", key);
return -1;
}
}
return 0;
}
#define OG_SERVER_CFG_REST (1 << 0)
#define OG_SERVER_CFG_DB (1 << 1)
#define OG_SERVER_CFG_WOL (1 << 2)
#define OG_SERVER_CFG_REPO (1 << 3)
#define OG_SERVER_CFG_SAMBA (1 << 4)
int parse_json_config(const char *filename, struct og_server_cfg *cfg)
{
json_t *root, *value;
uint32_t flags = 0;
json_error_t err;
const char *key;
char buf[4096];
int fd, ret;
fd = open(filename, O_RDONLY);
if (fd < 0) {
syslog(LOG_ERR, "Cannot open %s", filename);
return -1;
}
ret = read(fd, buf, sizeof(buf));
if (ret < 0 || ret == sizeof(buf)) {
syslog(LOG_ERR, "Cannot read from %s", filename);
return -1;
}
root = json_loads(buf, 0, &err);
if (!root) {
syslog(LOG_ERR, "Cannot parse malformed json file");
return -1;
}
json_object_foreach(root, key, value) {
if (!strcmp(key, "rest")) {
if (parse_json_rest(cfg, value) < 0) {
ret = -1;
break;
}
flags |= OG_SERVER_CFG_REST;
} else if (!strcmp(key, "wol")) {
if (parse_json_wol(cfg, value) < 0) {
ret = -1;
break;
}
flags |= OG_SERVER_CFG_WOL;
} else if (!strcmp(key, "database")) {
if (parse_json_db(cfg, value) < 0) {
ret = -1;
break;
}
flags |= OG_SERVER_CFG_DB;
} else if (!strcmp(key, "samba")) {
if (parse_json_samba(cfg, value) < 0) {
ret = -1;
break;
}
flags |= OG_SERVER_CFG_SAMBA;
} else if (!strcmp(key, "repository")) {
if (parse_json_repo(cfg, value) < 0)
return -1;
flags |= OG_SERVER_CFG_REPO;
} else {
syslog(LOG_ERR, "unknown key `%s' in %s\n",
key, filename);
ret = -1;
}
}
if (ret < 0)
json_decref(root);
if ((flags & OG_SERVER_CFG_REST) &&
(flags & OG_SERVER_CFG_DB) &&
(flags & OG_SERVER_CFG_WOL)) {
ret = 0;
} else {
syslog(LOG_ERR, "Missing attributes in json file");
ret = -1;
}
if (!(flags & OG_SERVER_CFG_SAMBA))
syslog(LOG_WARNING, "Missing samba configuration in ogserver.json file");
if (ret < 0)
json_decref(root);
else
cfg->json = root;
return ret;
}
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