392 lines
12 KiB
C++
392 lines
12 KiB
C++
//
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// ZoneMinder Configuration Implementation, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#include "zm.h"
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#include "zm_db.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <dirent.h>
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#include <glob.h>
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#include "zm_utils.h"
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// Note that Error and Debug calls won't actually go anywhere unless you
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// set the relevant ENV vars because the logger gets it's setting from the
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// config.
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void zmLoadConfig() {
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// Process name, value pairs from the main config file first
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process_configfile(ZM_CONFIG);
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// Search for user created config files. If one or more are found then
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// update the Config hash with those values
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DIR* configSubFolder = opendir(ZM_CONFIG_SUBDIR);
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if ( configSubFolder ) { // subfolder exists and is readable
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char glob_pattern[PATH_MAX] = "";
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snprintf(glob_pattern, sizeof(glob_pattern), "%s/*.conf", ZM_CONFIG_SUBDIR);
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glob_t pglob;
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int glob_status = glob(glob_pattern, 0, 0, &pglob);
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if ( glob_status != 0 ) {
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if ( glob_status < 0 ) {
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Error("Can't glob '%s': %s", glob_pattern, strerror(errno));
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} else {
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Debug(1, "Can't glob '%s': %d", glob_pattern, glob_status);
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}
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} else {
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for ( unsigned int i = 0; i < pglob.gl_pathc; i++ ) {
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process_configfile(pglob.gl_pathv[i]);
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}
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}
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globfree(&pglob);
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closedir(configSubFolder);
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}
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if ( !zmDbConnect() ) {
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Fatal("Can't connect to db. Can't continue.");
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}
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config.Load();
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config.Assign();
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// Populate the server config entries
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if ( !staticConfig.SERVER_ID ) {
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if ( !staticConfig.SERVER_NAME.empty() ) {
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Debug(1, "Fetching ZM_SERVER_ID For Name = %s", staticConfig.SERVER_NAME.c_str());
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std::string sql = stringtf("SELECT `Id` FROM `Servers` WHERE `Name`='%s'",
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staticConfig.SERVER_NAME.c_str());
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zmDbRow dbrow;
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if ( dbrow.fetch(sql.c_str()) ) {
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staticConfig.SERVER_ID = atoi(dbrow[0]);
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} else {
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Fatal("Can't get ServerId for Server %s", staticConfig.SERVER_NAME.c_str());
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}
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} // end if has SERVER_NAME
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} else if ( staticConfig.SERVER_NAME.empty() ) {
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Debug(1, "Fetching ZM_SERVER_NAME For Id = %d", staticConfig.SERVER_ID);
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std::string sql = stringtf("SELECT `Name` FROM `Servers` WHERE `Id`='%d'", staticConfig.SERVER_ID);
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zmDbRow dbrow;
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if ( dbrow.fetch(sql.c_str()) ) {
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staticConfig.SERVER_NAME = std::string(dbrow[0]);
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} else {
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Fatal("Can't get ServerName for Server ID %d", staticConfig.SERVER_ID);
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}
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if ( staticConfig.SERVER_ID ) {
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Debug(3, "Multi-server configuration detected. Server is %d.", staticConfig.SERVER_ID);
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} else {
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Debug(3, "Single server configuration assumed because no Server ID or Name was specified.");
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}
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}
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snprintf(staticConfig.capture_file_format, sizeof(staticConfig.capture_file_format), "%%s/%%0%dd-capture.jpg", config.event_image_digits);
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snprintf(staticConfig.analyse_file_format, sizeof(staticConfig.analyse_file_format), "%%s/%%0%dd-analyse.jpg", config.event_image_digits);
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snprintf(staticConfig.general_file_format, sizeof(staticConfig.general_file_format), "%%s/%%0%dd-%%s", config.event_image_digits);
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snprintf(staticConfig.video_file_format, sizeof(staticConfig.video_file_format), "%%s/%%s");
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}
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void process_configfile(char const *configFile) {
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FILE *cfg;
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char line[512];
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if ( (cfg = fopen(configFile, "r")) == nullptr ) {
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Fatal("Can't open %s: %s", configFile, strerror(errno));
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return;
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}
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while ( fgets(line, sizeof(line), cfg) != nullptr ) {
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char *line_ptr = line;
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// Trim off any cr/lf line endings
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int chomp_len = strcspn(line_ptr, "\r\n");
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line_ptr[chomp_len] = '\0';
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// Remove leading white space
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int white_len = strspn(line_ptr, " \t");
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line_ptr += white_len;
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// Check for comment or empty line
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if ( *line_ptr == '\0' || *line_ptr == '#' )
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continue;
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// Remove trailing white space and trailing quotes
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char *temp_ptr = line_ptr+strlen(line_ptr)-1;
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while ( *temp_ptr == ' ' || *temp_ptr == '\t' || *temp_ptr == '\'' || *temp_ptr == '\"') {
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*temp_ptr-- = '\0';
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temp_ptr--;
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}
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// Now look for the '=' in the middle of the line
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temp_ptr = strchr(line_ptr, '=');
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if ( !temp_ptr ) {
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Warning("Invalid data in %s: '%s'", configFile, line);
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continue;
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}
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// Assign the name and value parts
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char *name_ptr = line_ptr;
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char *val_ptr = temp_ptr+1;
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// Trim trailing space from the name part
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do {
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*temp_ptr = '\0';
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temp_ptr--;
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} while ( *temp_ptr == ' ' || *temp_ptr == '\t' );
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// Remove leading white space and leading quotes from the value part
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white_len = strspn(val_ptr, " \t");
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white_len += strspn(val_ptr, "\'\"");
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val_ptr += white_len;
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if ( strcasecmp(name_ptr, "ZM_DB_HOST") == 0 )
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staticConfig.DB_HOST = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_DB_NAME") == 0 )
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staticConfig.DB_NAME = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_DB_USER") == 0 )
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staticConfig.DB_USER = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_DB_PASS") == 0 )
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staticConfig.DB_PASS = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_DB_SSL_CA_CERT") == 0 )
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staticConfig.DB_SSL_CA_CERT = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_DB_SSL_CLIENT_KEY") == 0 )
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staticConfig.DB_SSL_CLIENT_KEY = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_DB_SSL_CLIENT_CERT") == 0 )
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staticConfig.DB_SSL_CLIENT_CERT = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_PATH_WEB") == 0 )
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staticConfig.PATH_WEB = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_SERVER_HOST") == 0 )
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staticConfig.SERVER_NAME = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_SERVER_NAME") == 0 )
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staticConfig.SERVER_NAME = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_SERVER_ID") == 0 )
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staticConfig.SERVER_ID = atoi(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_DIR_EVENTS") == 0 )
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staticConfig.DIR_EVENTS = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_DIR_SOUNDS") == 0 )
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staticConfig.DIR_SOUNDS = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_DIR_EXPORTS") == 0 )
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staticConfig.DIR_EXPORTS = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_PATH_ZMS") == 0 )
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staticConfig.PATH_ZMS = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_PATH_MAP") == 0 )
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staticConfig.PATH_MAP = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_PATH_SOCKS") == 0 )
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staticConfig.PATH_SOCKS = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_PATH_LOGS") == 0 )
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staticConfig.PATH_LOGS = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_PATH_SWAP") == 0 )
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staticConfig.PATH_SWAP = std::string(val_ptr);
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else if ( strcasecmp(name_ptr, "ZM_PATH_ARP") == 0 )
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staticConfig.PATH_ARP = std::string(val_ptr);
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else {
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// We ignore this now as there may be more parameters than the
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// c/c++ binaries are bothered about
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// Warning( "Invalid parameter '%s' in %s", name_ptr, ZM_CONFIG );
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}
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} // end foreach line of the config
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fclose(cfg);
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}
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StaticConfig staticConfig;
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ConfigItem::ConfigItem(const char *p_name, const char *p_value, const char *const p_type) {
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name = new char[strlen(p_name)+1];
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strcpy(name, p_name);
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value = new char[strlen(p_value)+1];
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strcpy(value, p_value);
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type = new char[strlen(p_type)+1];
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strcpy(type, p_type);
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//Info( "Created new config item %s = %s (%s)\n", name, value, type );
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cfg_type = CFG_UNKNOWN;
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accessed = false;
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}
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ConfigItem::ConfigItem(const ConfigItem &item) {
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name = new char[strlen(item.name)+1];
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strcpy(name, item.name);
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value = new char[strlen(item.value)+1];
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strcpy(value, item.value);
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type = new char[strlen(item.type)+1];
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strcpy(type, item.type);
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//Info( "Created new config item %s = %s (%s)\n", name, value, type );
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accessed = false;
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}
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void ConfigItem::Copy(const ConfigItem &item) {
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if (name) delete name;
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name = new char[strlen(item.name)+1];
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strcpy(name, item.name);
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if (value) delete value;
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value = new char[strlen(item.value)+1];
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strcpy(value, item.value);
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if (type) delete type;
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type = new char[strlen(item.type)+1];
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strcpy(type, item.type);
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//Info( "Created new config item %s = %s (%s)\n", name, value, type );
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accessed = false;
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}
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ConfigItem::~ConfigItem() {
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delete[] name;
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delete[] value;
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delete[] type;
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}
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void ConfigItem::ConvertValue() const {
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if ( !strcmp( type, "boolean" ) ) {
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cfg_type = CFG_BOOLEAN;
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cfg_value.boolean_value = (bool)strtol(value, nullptr, 0);
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} else if ( !strcmp(type, "integer") ) {
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cfg_type = CFG_INTEGER;
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cfg_value.integer_value = strtol(value, nullptr, 10);
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} else if ( !strcmp(type, "hexadecimal") ) {
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cfg_type = CFG_INTEGER;
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cfg_value.integer_value = strtol(value, nullptr, 16);
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} else if ( !strcmp(type, "decimal") ) {
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cfg_type = CFG_DECIMAL;
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cfg_value.decimal_value = strtod(value, nullptr);
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} else {
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cfg_type = CFG_STRING;
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cfg_value.string_value = value;
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}
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accessed = true;
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}
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bool ConfigItem::BooleanValue() const {
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if ( !accessed )
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ConvertValue();
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if ( cfg_type != CFG_BOOLEAN ) {
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Error("Attempt to fetch boolean value for %s, actual type is %s. Try running 'zmupdate.pl -f' to reload config.", name, type);
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exit(-1);
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}
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return cfg_value.boolean_value;
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}
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int ConfigItem::IntegerValue() const {
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if ( !accessed )
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ConvertValue();
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if ( cfg_type != CFG_INTEGER ) {
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Error("Attempt to fetch integer value for %s, actual type is %s. Try running 'zmupdate.pl -f' to reload config.", name, type);
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exit(-1);
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}
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return cfg_value.integer_value;
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}
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double ConfigItem::DecimalValue() const {
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if ( !accessed )
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ConvertValue();
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if ( cfg_type != CFG_DECIMAL ) {
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Error("Attempt to fetch decimal value for %s, actual type is %s. Try running 'zmupdate.pl -f' to reload config.", name, type);
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exit(-1);
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}
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return cfg_value.decimal_value;
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}
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const char *ConfigItem::StringValue() const {
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if ( !accessed )
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ConvertValue();
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if ( cfg_type != CFG_STRING ) {
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Error("Attempt to fetch string value for %s, actual type is %s. Try running 'zmupdate.pl -f' to reload config.", name, type);
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exit(-1);
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}
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return cfg_value.string_value;
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}
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Config::Config() : n_items(0), items(nullptr) { }
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Config::~Config() {
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if ( items ) {
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for ( int i = 0; i < n_items; i++ ) {
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delete items[i];
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items[i] = nullptr;
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}
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delete[] items;
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items = nullptr;
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}
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}
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void Config::Load() {
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if ( mysql_query(&dbconn, "SELECT `Name`, `Value`, `Type` FROM `Config` ORDER BY `Id`") ) {
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Error("Can't run query: %s", mysql_error(&dbconn));
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exit(mysql_errno(&dbconn));
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}
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MYSQL_RES *result = mysql_store_result(&dbconn);
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if ( !result ) {
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Error("Can't use query result: %s", mysql_error(&dbconn));
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exit(mysql_errno(&dbconn));
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}
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n_items = mysql_num_rows(result);
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if ( n_items <= ZM_MAX_CFG_ID ) {
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Error("Config mismatch, expected %d items, read %d. Try running 'zmupdate.pl -f' to reload config.", ZM_MAX_CFG_ID+1, n_items);
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exit(-1);
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}
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items = new ConfigItem *[n_items];
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for ( int i = 0; MYSQL_ROW dbrow = mysql_fetch_row(result); i++ ) {
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items[i] = new ConfigItem(dbrow[0], dbrow[1], dbrow[2]);
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}
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mysql_free_result(result);
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result = nullptr;
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}
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void Config::Assign() {
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ZM_CFG_ASSIGN_LIST
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}
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const ConfigItem &Config::Item(int id) {
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if ( !n_items ) {
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Load();
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Assign();
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}
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if ( id < 0 || id > ZM_MAX_CFG_ID ) {
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Error("Attempt to access invalid config, id = %d. Try running 'zmupdate.pl -f' to reload config.", id);
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exit(-1);
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}
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ConfigItem *item = items[id];
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if ( !item ) {
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Error("Can't find config item %d", id);
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exit(-1);
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}
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return *item;
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}
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Config config;
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