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/*************************************************
* Exim Monitor *
*************************************************/
/* Copyright (c) University of Cambridge 1995 - 2009 */
/* Copyright (c) The Exim Maintainers 2021 - 2022 */
/* See the file NOTICE for conditions of use and distribution. */
/* This is the general header file for all the modules that comprise
the exim monitor program. */
/* If this macro is defined, Eximon will anonymize all email addresses. This
feature is just so that screen shots can be obtained for documentation
purposes! */
/* #define ANONYMIZE */
/* System compilation parameters */
#define queue_index_size 10 /* Size of index into queue */
/* Assume most systems have statfs() unless os.h undefines this macro */
#define HAVE_STATFS
/* Bring in the system-dependent stuff */
#include "os.h"
/* ANSI C includes */
#include <ctype.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
/* Not-fully-ANSI systems (e.g. SunOS4 are missing some things) */
#ifndef SEEK_SET
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#endif
/* Unix includes */
#include <sys/types.h>
#include <errno.h>
#include <dirent.h>
#include <fcntl.h>
#include <pwd.h>
#include <grp.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <unistd.h>
/* The new standard is statvfs; some OS have statfs. Also arrange
to be able to cut it out altogether for way-out OS that don't have
anything. */
#ifdef HAVE_STATFS
#ifdef HAVE_SYS_STATVFS_H
#include <sys/statvfs.h>
#else
#define statvfs statfs
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#endif
#endif
#include <sys/wait.h>
/* Regular expression include */
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
/* Includes from the main source of Exim. One of these days I should tidy up
this interface so that this kind of kludge isn't needed. */
#ifndef NS_MAXMSG
# define NS_MAXMSG 65535
#endif
typedef void * hctx;
#include "local_scan.h"
#include "macros.h"
#include "structs.h"
#include "blob.h"
#include "globals.h"
#include "hintsdb.h"
#include "hintsdb_structs.h"
#include "functions.h"
#include "osfunctions.h"
/* The sys/resource.h header on SunOS 4 causes trouble with the gcc
compiler. Just stuff the bit we want in here; pragmatic easy way out. */
#ifdef NO_SYS_RESOURCE_H
#define RLIMIT_NOFILE 6 /* maximum descriptor index + 1 */
struct rlimit {
int rlim_cur; /* current (soft) limit */
int rlim_max; /* maximum value for rlim_cur */
};
#else
#include <sys/time.h>
#include <sys/resource.h>
#endif
/* X11 includes */
#include <X11/Xlib.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Shell.h>
#include <X11/Xaw/AsciiText.h>
#include <X11/Xaw/Command.h>
#include <X11/Xaw/Form.h>
#include <X11/Xaw/Dialog.h>
#include <X11/Xaw/Label.h>
#include <X11/Xaw/SimpleMenu.h>
#include <X11/Xaw/SmeBSB.h>
#include <X11/Xaw/SmeLine.h>
#include <X11/Xaw/TextSrc.h>
#include <X11/Xaw/TextSink.h>
/* These are required because exim monitor has its own munged
version of the stripchart widget. */
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <X11/Xaw/XawInit.h>
#include <X11/Xaw/StripCharP.h>
extern WidgetClass mystripChartWidgetClass;
/*************************************************
* Enumerations *
*************************************************/
/* Operations on the in-store message queue */
enum { queue_noop, queue_add };
/* Operations on the destinations queue */
enum { dest_noop, dest_add, dest_remove };
/*************************************************
* Structure for destinations *
*************************************************/
typedef struct dest_item {
struct dest_item *next;
struct dest_item *parent;
uschar address[1];
} dest_item;
/*************************************************
* Structure for queue items *
*************************************************/
typedef struct queue_item {
struct queue_item *next;
struct queue_item *prev;
struct dest_item *destinations;
int input_time;
int update_time;
int size;
uschar *sender;
uschar name[17];
uschar seen;
uschar frozen;
uschar dir_char;
} queue_item;
/*************************************************
* Structure for queue skip items *
*************************************************/
typedef struct skip_item {
struct skip_item *next;
time_t reveal;
uschar text[1];
} skip_item;
/*************************************************
* Structure for delivery displays *
*************************************************/
typedef struct pipe_item {
struct pipe_item *next;
int fd;
Widget widget;
} pipe_item;
/*************************************************
* Global variables *
*************************************************/
extern Display *X_display; /* Current display */
extern XtAppContext X_appcon; /* Application context */
extern XtActionsRec actionTable[]; /* Actions table */
extern XtTranslations queue_trans; /* translation table for queue text widget */
extern XtTranslations text_trans; /* translation table for other text widgets */
extern Widget dialog_ref_widget; /* for positioning dialog box */
extern Widget toplevel_widget;
extern Widget log_widget; /* widget for tail display */
extern Widget queue_widget; /* widget for queue display */
extern Widget unhide_widget; /* widget for unhide button */
extern FILE *LOG;
extern int action_output; /* TRUE when wanting action command output */
extern int action_queue_update; /* controls auto updates */
extern int actionTableSize; /* # entries in actionTable */
extern uschar actioned_message[]; /* For menu handling */
extern uschar *action_required;
extern uschar *alternate_config; /* Alternate Exim configuration file */
extern int body_max; /* Max size of body to display */
extern int eximon_initialized; /* TRUE when initialized */
extern int log_buffer_size; /* size of log buffer */
extern BOOL log_datestamping; /* TRUE if logs are datestamped */
extern int log_depth; /* depth of log tail window */
extern uschar *log_display_buffer; /* to hold display text */
extern uschar *log_file; /* supplied name of exim log file */
extern uschar log_file_open[256]; /* actual open file */
extern uschar *log_font; /* font for log display */
extern ino_t log_inode; /* the inode of the log file */
extern long int log_position; /* position in log file */
extern int log_width; /* width of log tail window */
extern uschar *menu_event; /* name of menu event */
extern int menu_is_up; /* TRUE when menu displayed */
extern int min_height; /* min window height */
extern int min_width; /* min window width */
extern pipe_item *pipe_chain; /* for delivery displays */
extern uschar *qualify_domain;
extern int queue_depth; /* depth of queue window */
extern uschar *queue_font; /* font for queue display */
extern int queue_max_addresses; /* limit on per-message list */
extern skip_item *queue_skip; /* for hiding bits of queue */
extern uschar *queue_stripchart_name; /* sic */
extern int queue_update; /* update interval */
extern int queue_width; /* width of queue window */
extern pcre2_code *yyyymmdd_regex; /* for matching yyyy-mm-dd */
extern uschar *size_stripchart; /* path for size monitoring */
extern uschar *size_stripchart_name; /* name for size stripchart */
extern uschar *spool_directory; /* Name of exim spool directory */
extern int spool_is_split; /* True if detected split spool */
extern int start_small; /* True to start with small window */
extern int stripchart_height; /* height of stripcharts */
extern int stripchart_number; /* number of stripcharts */
extern pcre2_code **stripchart_regex; /* vector of regexps */
extern uschar **stripchart_title; /* vector of titles */
extern int *stripchart_total; /* vector of accumulating values */
extern int stripchart_update; /* update interval */
extern int stripchart_width; /* width of stripcharts */
extern int stripchart_varstart; /* starting number for variable charts */
extern int text_depth; /* depth of text windows */
extern int tick_queue_accumulator; /* For timing next auto update */
extern uschar *window_title; /* title of the exim monitor window */
/*************************************************
* Global functions *
*************************************************/
extern XtActionProc dialogAction(Widget, XEvent *, String *, Cardinal *);
extern uschar *copystring(uschar *);
extern void create_dialog(uschar *, uschar *);
extern void create_stripchart(Widget, uschar *);
extern void debug(char *, ...);
extern dest_item *find_dest(queue_item *, uschar *, int, BOOL);
extern queue_item *find_queue(uschar *, int, int);
extern void init(int, uschar **);
extern void menu_create(Widget, XEvent *, String *, Cardinal *);
extern void NonMessageDialogue(uschar *);
extern void queue_display(void);
extern void read_log(void);
extern int read_spool(uschar *);
extern int read_spool_init(uschar *);
extern void read_spool_tidy(void);
extern int repaint_window(StripChartWidget, int, int);
extern void scan_spool_input(int);
extern void stripchart_init(void);
extern void text_empty(Widget);
extern void text_show(Widget, uschar *);
extern void text_showf(Widget, char *, ...);
extern void xs_SetValues(Widget, Cardinal, ...);
/* End of em_hdr.h */
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