/* * FCRON - periodic command scheduler * * Copyright 2000-2010 Thibault Godouet * * 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 * * The GNU General Public License can also be found in the file * `LICENSE' that comes with the fcron source distribution. */ /* $Id: global.h,v 1.51 2007-06-24 22:01:49 thib Exp $ */ /* 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 #ifdef HAVE_ERRNO_H #include #endif #ifdef WITH_SELINUX #include #include #include #include #endif #ifdef HAVE_GETOPT_H #include #endif #ifdef HAVE_GRP_H #include #endif #ifdef HAVE_LIMITS_H #include #endif #include #include #include #include #include #ifdef HAVE_STDARG_H #include #endif #include #include #include #ifdef HAVE_STRINGS_H #include #endif #ifdef HAVE_SYS_FILE_H #include #endif #include #include #ifdef HAVE_SYS_WAIT_H #include #endif #ifdef HAVE_SYSLOG_H #include #endif #ifdef TIME_WITH_SYS_TIME #include #elif HAVE_SYS_TIME_H #include #endif #ifdef HAVE_TERMIOS_H #include #endif #ifdef HAVE_UNISTD_H #include #endif #ifdef HAVE_FCNTL_H #include #elif HAVE_SYS_FCNTL_H #include #endif #ifdef HAVE_CRED_H #include #endif #ifdef HAVE_UCRED_H #include #endif #ifdef HAVE_SYS_CRED_H #include #endif #ifdef HAVE_SYS_UCRED_H #include #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 */ /* you should not change this (nor need to do it) */ #define ERR -1 #define OK 0 /* options for local functions */ #define STD 0 /* macros */ #ifndef HAVE_SETEUID #define seteuid(arg) setresuid(-1,(arg),-1) #endif #ifndef HAVE_SETEGID #define setegid(arg) setresgid(-1,(arg),-1) #endif #define Alloc(PTR, TYPE) \ if( (PTR = calloc(1, sizeof(TYPE))) == NULL ) \ die_e("Could not calloc."); #define Set(VAR, VALUE) \ { \ free_safe(VAR); \ VAR = strdup2(VALUE); \ } #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 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; #define OPTION_SIZE 4 /* number of bytes to hold the cl_option bit array */ #define LAVG_SIZE 3 /* warning : do not change the order of the members of this structure * because some tests made are dependent to that order */ /* warning : if you change a field type, you may have to also make some changes * in the save/load binary fcrontab functions */ typedef struct cl_t { struct cl_t *cl_next; struct cf_t *cl_file; /* the file in which the line is */ char *cl_shell; /* shell command */ char *cl_runas; /* determine permissions of the job */ char *cl_mailto; /* mail output to cl_mailto */ char *cl_tz; /* time zone of the line */ unsigned long cl_id; /* line's unique id number */ time_t cl_until; /* timeout of the wait for a lavg value */ time_t cl_first; /* initial delay preserved for volatile entries */ time_t cl_nextexe; /* time and date of the next execution */ long int cl_timefreq; /* Run every n seconds */ unsigned short cl_remain; /* remaining until next execution */ unsigned short cl_runfreq; /* Run once every n matches(=1 for %-lines)*/ unsigned char cl_option[OPTION_SIZE]; /* line's option (see option.h) */ unsigned char cl_lavg[LAVG_SIZE];/*load averages needed (1,5,15 mins) */ unsigned char cl_numexe; /* entries in queues & running processes */ char cl_nice; /* nice value to control priority */ unsigned char cl_jitter; /* run randomly late up to jitter seconds */ /* 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 */ } cl_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" #endif /* __GLOBAL_H__ */