+++ /dev/null
-// This module handles loading, saving, and parsing of room network configurations.
-//
-// Copyright (c) 2000-2021 by the citadel.org team
-//
-// This program is open source software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License, version 3.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-#include "sysdep.h"
-#include <stdio.h>
-#include <sys/types.h>
-#include <dirent.h>
-
-#ifdef HAVE_SYSCALL_H
-# include <syscall.h>
-#else
-# if HAVE_SYS_SYSCALL_H
-# include <sys/syscall.h>
-# endif
-#endif
-#include <dirent.h>
-#include <assert.h>
-
-#include <libcitadel.h>
-
-#include "ctdl_module.h"
-#include "serv_extensions.h"
-#include "config.h"
-
-
-// Create a config key for a room's netconfig entry
-void netcfg_keyname(char *keybuf, long roomnum) {
- if (!keybuf) return;
- sprintf(keybuf, "c_netconfig_%010ld", roomnum);
-}
-
-
-// Given a room number and a textual netconfig, convert to base64 and write to the configdb
-void SaveRoomNetConfigFile(long roomnum, const char *raw_netconfig) {
- char keyname[25];
- char *enc;
- int enc_len;
- int len;
-
- len = strlen(raw_netconfig);
- netcfg_keyname(keyname, roomnum);
- enc = malloc(len * 2);
-
- if (enc) {
- enc_len = CtdlEncodeBase64(enc, raw_netconfig, len, 0);
- if ((enc_len > 1) && (enc[enc_len-2] == 13)) enc[enc_len-2] = 0;
- if ((enc_len > 0) && (enc[enc_len-1] == 10)) enc[enc_len-1] = 0;
- enc[enc_len] = 0;
- syslog(LOG_DEBUG, "netconfig: writing key '%s' (length=%d)", keyname, enc_len);
- CtdlSetConfigStr(keyname, enc);
- free(enc);
- }
-}
-
-
-// Given a room number, attempt to load the netconfig configdb entry for that room.
-// If it returns NULL, there is no netconfig.
-// Otherwise the caller owns the returned memory and is responsible for freeing it.
-char *LoadRoomNetConfigFile(long roomnum) {
- char keyname[25];
- char *encoded_netconfig = NULL;
- char *decoded_netconfig = NULL;
-
- netcfg_keyname(keyname, roomnum);
- encoded_netconfig = CtdlGetConfigStr(keyname);
- if (!encoded_netconfig) return NULL;
-
- decoded_netconfig = malloc(strlen(encoded_netconfig)); // yeah, way bigger than it needs to be, but safe
- CtdlDecodeBase64(decoded_netconfig, encoded_netconfig, strlen(encoded_netconfig));
- return decoded_netconfig;
-}
-
-
-//-----------------------------------------------------------------------------
-// Per room network configs : exchange with client
-//-----------------------------------------------------------------------------
-void cmd_gnet(char *argbuf) {
- if ( (CC->room.QRflags & QR_MAILBOX) && (CC->user.usernum == atol(CC->room.QRname)) ) {
- // users can edit the netconfigs for their own mailbox rooms
- }
- else if (CtdlAccessCheck(ac_room_aide)) return;
-
- cprintf("%d Network settings for room #%ld <%s>\n", LISTING_FOLLOWS, CC->room.QRnumber, CC->room.QRname);
-
- char *c = LoadRoomNetConfigFile(CC->room.QRnumber);
- if (c) {
- int len = strlen(c);
- client_write(c, len); // Can't use cprintf() here, it has a limit of 1024 bytes
- if (c[len] != '\n') {
- client_write(HKEY("\n"));
- }
- free(c);
- }
- cprintf("000\n");
-}
-
-
-void cmd_snet(char *argbuf) {
- StrBuf *Line = NULL;
- StrBuf *TheConfig = NULL;
- int rc;
-
- unbuffer_output();
- Line = NewStrBuf();
- TheConfig = NewStrBuf();
- cprintf("%d send new netconfig now\n", SEND_LISTING);
-
- while (rc = CtdlClientGetLine(Line), (rc >= 0)) {
- if ((rc == 3) && (strcmp(ChrPtr(Line), "000") == 0))
- break;
-
- StrBufAppendBuf(TheConfig, Line, 0);
- StrBufAppendBufPlain(TheConfig, HKEY("\n"), 0);
- }
- FreeStrBuf(&Line);
-
- begin_critical_section(S_NETCONFIGS);
- SaveRoomNetConfigFile(CC->room.QRnumber, ChrPtr(TheConfig));
- end_critical_section(S_NETCONFIGS);
- FreeStrBuf(&TheConfig);
-}
-
-
-// Convert any legacy configuration files in the "netconfigs" directory
-void convert_legacy_netcfg_files(void) {
- DIR *dh = NULL;
- struct dirent *dit = NULL;
- char filename[PATH_MAX];
- long roomnum;
- FILE *fp;
- long len;
- char *v;
-
- dh = opendir(ctdl_netcfg_dir);
- if (!dh) return;
-
- syslog(LOG_INFO, "netconfig: legacy netconfig files exist - converting them!");
-
- while (dit = readdir(dh), dit != NULL) { // yes, we use the non-reentrant version; we're not in threaded mode yet
- roomnum = atol(dit->d_name);
- if (roomnum > 0) {
- snprintf(filename, sizeof filename, "%s/%ld", ctdl_netcfg_dir, roomnum);
- fp = fopen(filename, "r");
- if (fp) {
- fseek(fp, 0L, SEEK_END);
- len = ftell(fp);
- if (len > 0) {
- v = malloc(len);
- if (v) {
- rewind(fp);
- if (fread(v, len, 1, fp)) {
- SaveRoomNetConfigFile(roomnum, v);
- unlink(filename);
- }
- free(v);
- }
- }
- else {
- unlink(filename); // zero length netconfig, just delete it
- }
- fclose(fp);
- }
- }
- }
-
- closedir(dh);
- rmdir(ctdl_netcfg_dir);
-}
-
-
-/*
- * Module entry point
- */
-CTDL_MODULE_INIT(netconfig)
-{
- if (!threading)
- {
- convert_legacy_netcfg_files();
- CtdlRegisterProtoHook(cmd_gnet, "GNET", "Get network config");
- CtdlRegisterProtoHook(cmd_snet, "SNET", "Set network config");
- }
- return "netconfig";
-}
projects / citadel.git / blobdiff