/*
* FCRON - periodic command scheduler
*
- * Copyright 2000 Thibault Godouet <sphawk@free.fr>
+ * Copyright 2000-2016 Thibault Godouet <fcron@free.fr>
*
* 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
* `LICENSE' that comes with the fcron source distribution.
*/
-/* global.h */
-#ifndef __GLOBALH__
-#define __GLOBALH__
+/*
+ WARNING : this file should not be modified.
+ Compilation's options are in config.h
+*/
+
+#ifndef __GLOBAL_H__
+#define __GLOBAL_H__
+
+/* config.h must be included before every other includes
+ * (contains the compilation options) */
+#include "config.h"
+
#include <ctype.h>
+
+#ifdef HAVE_ERRNO_H
#include <errno.h>
+#endif
+
+#ifdef WITH_SELINUX
+#include <selinux.h>
+#include <get_context_list.h>
+#include <selinux/flask.h>
+#include <selinux/av_permissions.h>
+#endif
+
+#ifdef HAVE_GETOPT_H
#include <getopt.h>
+#endif
+
+#ifdef HAVE_GRP_H
+#include <grp.h>
+#endif
+
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
+
+#include <locale.h>
+#include <nl_types.h>
+#include <langinfo.h>
#include <pwd.h>
#include <signal.h>
+
+#ifdef HAVE_STDARG_H
#include <stdarg.h>
+#endif
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+
+#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
+#endif
+
#include <sys/stat.h>
#include <sys/types.h>
-#include <sys/wait.h>
-#include <syslog.h>
-#include <time.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "bitstring.h"
-#include "config.h"
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+#ifdef HAVE_SYSLOG_H
+#include <syslog.h>
+#endif
+#ifdef TIME_WITH_SYS_TIME
+#include <time.h>
+#elif HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
-/* none configurable constants */
-#define FILEVERSION "001" /* syntax's version of fcrontabs :
- * must have a length of 3 characters */
+#ifdef HAVE_TERMIOS_H
+#include <termios.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#elif HAVE_SYS_FCNTL_H
+#include <sys/fcntl.h>
+#endif
+
+#ifdef HAVE_CRED_H
+#include <cred.h>
+#endif
+#ifdef HAVE_UCRED_H
+#include <ucred.h>
+#endif
+#ifdef HAVE_SYS_CRED_H
+#include <sys/cred.h>
+#endif
+#ifdef HAVE_SYS_UCRED_H
+#include <sys/ucred.h>
+#endif
+
+#ifdef WITH_AUDIT
+#include <libaudit.h>
+#endif
+
+#ifdef HAVE_LIBPAM
+#include "pam.h"
+#endif
+
+#include "bitstring.h" /* bit arrays */
+#include "option.h" /* manage fcrontab's options */
+#include "env_list.h" /* manage fcrontab's environment variable lists */
+#include "cl.h" /* Cron Line cl_t type and associated functions */
+
+/* you should not change this (nor need to do it) */
+#define ERR -1
+#define OK 0
+
+/* options for local functions */
+#define STD 0
+
+/* Approximate max value of time_t which localtime() allows: on a 64bits system,
+ * this is less than LONG_MAX (64bits) as this is limited by struct tm's tm_year
+ * which is a (not long) int (32bits).
+ * As a time_t of INT_MAX=2^31 is 'only' in year 2038, we try to use a larger value
+ * if we can. */
+/* // FIXME: test on 32bit system */
+/* 2^33 = 8589934592, so LONG is 64bits at least */
+#if (LONG_MAX > INT_MAX) && (LONG_MAX > 8589934592)
+/* defined as time_t of 1st Jan of year (SHRT_MAX-1900) at 00:00:00 */
+#define TIME_T_MAX 971859427200
+#else
+/* struct tm's tm_year is of type int, and tm_year will always be smaller than
+ * the equivalent time_t, so INT_MAX is always a safe max value for time_t. */
+#define TIME_T_MAX INT_MAX
+#endif
/* macros */
-#define arysize(ary) (sizeof(ary)/sizeof((ary)[0]))
-
-#define Alloc(ptr, type) \
- if( (ptr = calloc(1, sizeof(type))) == NULL ) { \
- fprintf(stderr, "Could not calloc."); \
- exit(EXIT_ERR); \
- }
+#ifndef HAVE_SETEUID
+#define seteuid(arg) setresuid(-1,(arg),-1)
+#endif
+
+#ifndef HAVE_SETEGID
+#define setegid(arg) setresgid(-1,(arg),-1)
+#endif
+
+#define Skip_blanks(PTR) \
+ while((*(PTR) == ' ') || (*(PTR) == '\t')) \
+ (PTR)++;
+
+#define Overwrite(x) \
+ do { \
+ register char *__xx__; \
+ if ((__xx__=(x))) \
+ while (*__xx__) \
+ *__xx__++ = '\0'; \
+ } while (0)
#define debug if(debug_opt) Debug
-typedef struct env_t {
- char *e_name; /* env name */
- char *e_val; /* env value */
- struct env_t *e_next;
-} env_t ;
-
-typedef struct CF {
- struct CF *cf_next;
- struct CL *cf_line_base;
- char *cf_user; /* user-name */
- char *cf_mailto; /* mail output's to mail_user */
- struct env_t *cf_env_base; /* list of all env variables to set */
- int cf_running; /* number of jobs running */
-} CF;
-
-/* warning : do not change the order of the members of this structure
- * because some tests made are dependent to that order */
-typedef struct CL {
- struct CL *cl_next;
- char *cl_shell; /* shell command */
- pid_t cl_pid; /* running pid, 0, or armed (-1) */
- pid_t cl_mailpid; /* mailer pid or 0 */
- int cl_mailfd; /* running pid is for mail */
- int cl_mailpos; /* 'empty file' size */
- /* see bitstring(3) man page for more details */
- bitstr_t bit_decl(cl_mins, 60); /* 0-59 */
- bitstr_t bit_decl(cl_hrs, 24); /* 0-23 */
- bitstr_t bit_decl(cl_days, 32); /* 1-31 */
- bitstr_t bit_decl(cl_mons, 12); /* 0-11 */
- bitstr_t bit_decl(cl_dow, 8); /* 0-7, 0 and 7 are both Sunday */
- time_t cl_timefreq; /* Run every n min */
- short int cl_runfreq; /* Run once every n matches */
- time_t cl_remain; /* remaining until next execution */
- time_t cl_nextexe; /* time and date of the next execution */
-} CL;
-
-
-
-#endif /* __GLOBALH__ */
-
+typedef struct cf_t {
+ struct cf_t *cf_next;
+ struct cl_t *cf_line_base;
+ char *cf_user; /* user-name */
+ env_list_t *cf_env_list; /* list of all parsed env var */
+ int cf_running; /* number of jobs running */
+ signed char cf_tzdiff; /* time diff between system and local hour */
+#ifdef WITH_SELINUX
+ security_context_t cf_user_context;
+ security_context_t cf_file_context;
+#endif
+} cf_t;
+
+
+typedef struct job_t {
+ struct cl_t *j_line;
+ struct job_t *j_next;
+} job_t;
+
+
+#if SIZEOF_TIME_T == SIZEOF_SHORT_INT
+#define ATTR_SIZE_TIMET "h"
+#define CAST_TIMET_PTR (short int *)
+#elif SIZEOF_TIME_T == SIZEOF_INT
+#define ATTR_SIZE_TIMET ""
+#define CAST_TIMET_PTR (int *)
+#elif SIZEOF_TIME_T == SIZEOF_LONG_INT
+#define ATTR_SIZE_TIMET "l"
+#define CAST_TIMET_PTR (long int *)
+#elif SIZEOF_TIME_T == SIZEOF_LONG_LONG_INT
+#define ATTR_SIZE_TIMET "ll"
+#define CAST_TIMET_PTR (long long int *)
+#else
+#error "SIZEOF_TIME_T does not correspond with a known format."
+#endif
+
+#if SIZEOF_PID_T == SIZEOF_SHORT_INT
+#define ATTR_SIZE_PIDT "h"
+#define CAST_PIDT_PTR (short int *)
+#elif SIZEOF_PID_T == SIZEOF_INT
+#define ATTR_SIZE_PIDT ""
+#define CAST_PIDT_PTR (int *)
+#elif SIZEOF_PID_T == SIZEOF_LONG_INT
+#define ATTR_SIZE_PIDT "l"
+#define CAST_PIDT_PTR (long int *)
+#elif SIZEOF_PID_T == SIZEOF_LONG_LONG_INT
+#define ATTR_SIZE_PIDT "ll"
+#define CAST_PIDT_PTR (long long int *)
+#else
+#error "SIZEOF_PID_T does not correspond with a known format."
+#endif
+
+
+/* local header files : we include here the headers which may use some types defined
+ * above. */
+
+/* constants for fcrontabs needed to load and save the fcrontabs to disk */
+#include "save.h"
+/* log part */
+#include "log.h"
+/* functions used by fcrontab, fcrondyn, and fcron */
+#include "subs.h"
+/* file related helper functions */
+#include "filesubs.h"
+
+#endif /* __GLOBAL_H__ */
projects / fcron / blobdiff