// // ZoneMinder Video Device Fixer, $Date$, $Revision$ // Copyright (C) 2002 Philip Coombes // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // 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. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // #include #include #include #include #include #include #include #include #include #include extern "C" { #include "zmcfg.h" #include "zmdbg.h" } MYSQL dbconn; int main( int argc, char *argv[] ) { char dbg_name_string[16] = "zmfix"; dbg_name = dbg_name_string; DbgInit(); if ( !mysql_init( &dbconn ) ) { fprintf( stderr, "Can't initialise structure: %s\n", mysql_error( &dbconn ) ); exit( mysql_errno( &dbconn ) ); } if ( !mysql_connect( &dbconn, ZM_DB_SERVER, ZM_DB_USERA, ZM_DB_PASSA ) ) { fprintf( stderr, "Can't connect to server: %s\n", mysql_error( &dbconn ) ); exit( mysql_errno( &dbconn ) ); } if ( mysql_select_db( &dbconn, ZM_DB_NAME ) ) { fprintf( stderr, "Can't select database: %s\n", mysql_error( &dbconn ) ); exit( mysql_errno( &dbconn ) ); } static char sql[256]; sprintf( sql, "select Device from Monitors where Function != 'None'" ); if ( mysql_query( &dbconn, sql ) ) { Error(( "Can't run query: %s\n", mysql_error( &dbconn ) )); exit( mysql_errno( &dbconn ) ); } MYSQL_RES *result = mysql_store_result( &dbconn ); if ( !result ) { Error(( "Can't use query result: %s\n", mysql_error( &dbconn ) )); exit( mysql_errno( &dbconn ) ); } int n_devices = mysql_num_rows( result ); int *devices = new int [n_devices]; for( int i = 0; MYSQL_ROW dbrow = mysql_fetch_row( result ); i++ ) { int device = atoi(dbrow[0]); char device_path[64]; sprintf( device_path, "/dev/video%d", device ); struct stat stat_buf; if ( stat( device_path, &stat_buf ) < 0 ) { Error(( "Can't stat %s: %s\n", device_path, strerror(errno))); exit( 1 ); } uid_t uid = getuid(); gid_t gid = getgid(); mode_t mask = 0; if ( uid == stat_buf.st_uid ) { // If we are the owner mask = 00400; } else if ( gid == stat_buf.st_gid ) { // If we are in the owner group mask = 00040; } else { // We are neither the owner nor in the group mask = 00004; } mode_t mode = stat_buf.st_mode; if ( mode & mask ) { continue; } mode |= mask; Info(( "Resetting permission on %s to %o\n", device_path, mode )); if ( chmod( device_path, mode ) < 0 ) { Error(( "Can't chmod %s to %o: %s\n", device_path, mode, strerror(errno))); exit( 1 ); } } if ( mysql_errno( &dbconn ) ) { Error(( "Can't fetch row: %s\n", mysql_error( &dbconn ) )); exit( mysql_errno( &dbconn ) ); } // Yadda yadda mysql_free_result( result ); return( 0 ); }