mirror of
https://github.com/monitoring-plugins/monitoring-plugins.git
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ba21e26443
As it is possible to use capabilities(7) on linux or solaris privileges for example, it is not necessary in all cases to have those binaries making use of setuid.
111 lines
2.9 KiB
C
111 lines
2.9 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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#include "sha1.h"
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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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int start_infinity; /* FALSE (default) or TRUE */
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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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} 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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int check_range(double, range *);
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int get_status(double, thresholds *);
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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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#endif /* _UTILS_BASE_ */
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