119 lines
3.1 KiB
C
119 lines
3.1 KiB
C
#ifndef _UTILS_BASE_
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#define _UTILS_BASE_
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/* Header file for Monitoring Plugins utils_base.c */
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#ifndef USE_OPENSSL
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# include "sha256.h"
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#endif
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/* This file holds header information for thresholds - use this in preference to
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individual plugin logic */
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/* This has not been merged with utils.h because of problems with
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timeout_interval when other utils_*.h files use utils.h */
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/* Long term, add new functions to utils_base.h for common routines
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and utils_*.h for specific to plugin routines. If routines are
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placed in utils_*.h, then these can be tested with libtap */
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#define OUTSIDE 0
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#define INSIDE 1
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typedef struct range_struct {
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double start;
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bool start_infinity;
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double end;
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int end_infinity;
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int alert_on; /* OUTSIDE (default) or INSIDE */
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char* text; /* original unparsed text input */
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} range;
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typedef struct thresholds_struct {
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range *warning;
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range *critical;
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} thresholds;
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#define NP_STATE_FORMAT_VERSION 1
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typedef struct state_data_struct {
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time_t time;
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void *data;
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int length; /* Of binary data */
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} state_data;
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typedef struct state_key_struct {
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char *name;
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char *plugin_name;
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int data_version;
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char *_filename;
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state_data *state_data;
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} state_key;
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typedef struct np_struct {
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char *plugin_name;
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state_key *state;
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int argc;
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char **argv;
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} monitoring_plugin;
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range *parse_range_string (char *);
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int _set_thresholds(thresholds **, char *, char *);
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void set_thresholds(thresholds **, char *, char *);
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void print_thresholds(const char *, thresholds *);
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bool check_range(double, range *);
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int get_status(double, thresholds *);
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/* Handle timeouts */
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extern int timeout_state;
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extern unsigned int timeout_interval;
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/* All possible characters in a threshold range */
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#define NP_THRESHOLDS_CHARS "-0123456789.:@~"
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char *np_escaped_string (const char *);
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void die (int, const char *, ...) __attribute__((noreturn,format(printf, 2, 3)));
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/* Return codes for _set_thresholds */
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#define NP_RANGE_UNPARSEABLE 1
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#define NP_WARN_WITHIN_CRIT 2
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/* a simple check to see if we're running as root.
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* returns zero on failure, nonzero on success */
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int np_check_if_root(void);
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/* mp_suid() returns true if the real and effective uids differs, such as when
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* running a suid plugin */
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#define mp_suid() (getuid() != geteuid())
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/*
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* Extract the value from key/value pairs, or return NULL. The value returned
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* can be free()ed.
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* This function can be used to parse NTP control packet data and performance
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* data strings.
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*/
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char *np_extract_value(const char*, const char*, char);
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/*
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* Same as np_extract_value with separator suitable for NTP control packet
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* payloads (comma)
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*/
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#define np_extract_ntpvar(l, n) np_extract_value(l, n, ',')
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/*
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* Read a string representing a state (ok, warning... or numeric: 0, 1) and
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* return the corresponding NP_STATE or ERROR)
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*/
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int mp_translate_state (char *);
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void np_enable_state(char *, int);
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state_data *np_state_read();
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void np_state_write_string(time_t, char *);
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void np_init(char *, int argc, char **argv);
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void np_set_args(int argc, char **argv);
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void np_cleanup();
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const char *state_text (int);
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#endif /* _UTILS_BASE_ */
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