/* ==================================================================== * Copyright (c) 1995-1999 The Apache Group. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the Apache Group * for use in the Apache HTTP server project (http://www.apache.org/)." * * 4. The names "Apache Server" and "Apache Group" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * apache@apache.org. * * 5. Products derived from this software may not be called "Apache" * nor may "Apache" appear in their names without prior written * permission of the Apache Group. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the Apache Group * for use in the Apache HTTP server project (http://www.apache.org/)." * * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE APACHE GROUP OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Group and was originally based * on public domain software written at the National Center for * Supercomputing Applications, University of Illinois, Urbana-Champaign. * For more information on the Apache Group and the Apache HTTP server * project, please see <http://www.apache.org/>. * */ /* * cronoutils -- utilities for the cronolog program * * Copyright (c) 1996-1999 by Ford & Mason Ltd * * This software was submitted by Ford & Mason Ltd to the Apache * Software Foundation in December 1999. Future revisions and * derivatives of this source code must acknowledge Ford & Mason Ltd * as the original contributor of this module. All other licensing * and usage conditions are those of the Apache Software Foundation. * * Originally written by Andrew Ford <A.Ford@ford-mason.co.uk> * * For platforms that don't declare getopt() in header files the symbol * NEED_GETOPT_DEFS can be defined and declarations are provided here. */ #if !defined(_CRONOUTILS_H_) /* Header files */ #include <ctype.h> #include <stdio.h> #include <stdlib.h> #include <stdarg.h> #include <errno.h> #include <fcntl.h> #include <limits.h> #ifndef _WIN32 #include <unistd.h> #include <pwd.h> #include <grp.h> #else #include <io.h> #include <direct.h> #endif #include <string.h> #include <sys/types.h> #include <sys/stat.h> #if TIME_WITH_SYS_TIME # include <sys/time.h> # include <time.h> #else # if HAVE_SYS_TIME_H # include <sys/time.h> # else # include <time.h> # endif #endif #include "config.h" #ifdef _WIN32 #define mode_t int #define open _open #define close _close #define read _read #define write _write #define mkdir _mkdir #endif #if !HAVE_LOCALIME_R struct tm *localtime_r(const time_t *, struct tm *); #endif /* Some operating systems don't declare getopt() */ #ifdef NEED_GETOPT_DEFS int getopt(int argc, char * const argv[], const char *optstring); extern char *optarg; extern int optind, opterr, optopt; #endif /* Constants for seconds per minute, hour, day and week */ #define SECS_PER_MIN 60 #define SECS_PER_HOUR (60 * SECS_PER_MIN) #define SECS_PER_DAY (24 * SECS_PER_HOUR) #define SECS_PER_WEEK (7 * SECS_PER_DAY) /* Allowances for daylight saving time changes and leap second. * Used for calculating the start of the next period. * (does Unix actually know about leap seconds?) */ #define LEAP_SECOND_ALLOWANCE 2 #define DST_ALLOWANCE (3 * SECS_PER_HOUR + LEAP_SECOND_ALLOWANCE) /* If log files are not rotated then this is when the first file * should be closed. */ #define FAR_DISTANT_FUTURE LONG_MAX /* How often the log is rotated */ typedef enum { PER_SECOND, PER_MINUTE, HOURLY, DAILY, WEEKLY, MONTHLY, YEARLY, ONCE_ONLY, UNKNOWN, INVALID_PERIOD } PERIODICITY; /* Function prototypes */ void create_subdirs(char *); void create_link(char *, const char *, mode_t, const char *); PERIODICITY determine_periodicity(char *); PERIODICITY parse_timespec(char *optarg, int *p_period_multiple); time_t start_of_next_period(time_t, PERIODICITY, int); time_t start_of_this_period(time_t, PERIODICITY, int); void print_debug_msg(char *msg, ...); time_t parse_time(char *time_str, int); char *timestamp(time_t thetime); uid_t parse_uid(char *user, char *argv0); gid_t parse_gid(char *group, char *argv0); /* Global variables */ extern FILE *debug_file; extern char *periods[]; extern int period_seconds[]; /* Usage message and DEBUG macro. */ #ifdef DEBUG #undef DEBUG #endif #define DEBUG(msg_n_args) do { if (debug_file) print_debug_msg msg_n_args; } while (0) #endif