summaryrefslogtreecommitdiffstats
path: root/plugins/check_snmp.c
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/check_snmp.c')
-rw-r--r--plugins/check_snmp.c250
1 files changed, 53 insertions, 197 deletions
diff --git a/plugins/check_snmp.c b/plugins/check_snmp.c
index 94b75b9..dff5bcc 100644
--- a/plugins/check_snmp.c
+++ b/plugins/check_snmp.c
@@ -53,33 +53,14 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
53#define CRIT_PRESENT 1 53#define CRIT_PRESENT 1
54#define CRIT_STRING 2 54#define CRIT_STRING 2
55#define CRIT_REGEX 4 55#define CRIT_REGEX 4
56#define CRIT_GT 8 56#define WARN_PRESENT 8
57#define CRIT_LT 16 57#define WARN_STRING 16
58#define CRIT_GE 32 58#define WARN_REGEX 32
59#define CRIT_LE 64
60#define CRIT_EQ 128
61#define CRIT_NE 256
62#define CRIT_RANGE 512
63#define WARN_PRESENT 1024
64#define WARN_STRING 2048
65#define WARN_REGEX 4096
66#define WARN_GT 8192
67#define WARN_LT 16384
68#define WARN_GE 32768
69#define WARN_LE 65536
70#define WARN_EQ 131072
71#define WARN_NE 262144
72#define WARN_RANGE 524288
73 59
74#define MAX_OIDS 8 60#define MAX_OIDS 8
75#define MAX_DELIM_LENGTH 8
76 61
77int process_arguments (int, char **); 62int process_arguments (int, char **);
78int validate_arguments (void); 63int validate_arguments (void);
79char *clarify_message (char *);
80int check_num (int);
81int llu_getll (unsigned long long *, char *);
82int llu_getul (unsigned long long *, char *);
83char *thisarg (char *str); 64char *thisarg (char *str);
84char *nextarg (char *str); 65char *nextarg (char *str);
85void print_usage (void); 66void print_usage (void);
@@ -89,7 +70,6 @@ void print_help (void);
89char regex_expect[MAX_INPUT_BUFFER] = ""; 70char regex_expect[MAX_INPUT_BUFFER] = "";
90regex_t preg; 71regex_t preg;
91regmatch_t pmatch[10]; 72regmatch_t pmatch[10];
92char timestamp[10] = "";
93char errbuf[MAX_INPUT_BUFFER] = ""; 73char errbuf[MAX_INPUT_BUFFER] = "";
94char perfstr[MAX_INPUT_BUFFER] = "| "; 74char perfstr[MAX_INPUT_BUFFER] = "| ";
95int cflags = REG_EXTENDED | REG_NOSUB | REG_NEWLINE; 75int cflags = REG_EXTENDED | REG_NOSUB | REG_NEWLINE;
@@ -122,15 +102,12 @@ int numoids = 0;
122int numauthpriv = 0; 102int numauthpriv = 0;
123int verbose = FALSE; 103int verbose = FALSE;
124int usesnmpgetnext = FALSE; 104int usesnmpgetnext = FALSE;
125unsigned long long lower_warn_lim[MAX_OIDS]; 105char *warning_thresholds = NULL;
126unsigned long long upper_warn_lim[MAX_OIDS]; 106char *critical_thresholds = NULL;
127unsigned long long lower_crit_lim[MAX_OIDS]; 107thresholds *thlds[MAX_OIDS];
128unsigned long long upper_crit_lim[MAX_OIDS]; 108double response_value[MAX_OIDS];
129unsigned long long response_value[MAX_OIDS];
130int check_warning_value = FALSE;
131int check_critical_value = FALSE;
132int retries = 0; 109int retries = 0;
133unsigned long long eval_method[MAX_OIDS]; 110int eval_method[MAX_OIDS];
134char *delimiter; 111char *delimiter;
135char *output_delim; 112char *output_delim;
136char *miblist = NULL; 113char *miblist = NULL;
@@ -140,7 +117,7 @@ int needmibs = FALSE;
140int 117int
141main (int argc, char **argv) 118main (int argc, char **argv)
142{ 119{
143 int i = 0; 120 int i;
144 int iresult = STATE_UNKNOWN; 121 int iresult = STATE_UNKNOWN;
145 int result = STATE_UNKNOWN; 122 int result = STATE_UNKNOWN;
146 int return_code = 0; 123 int return_code = 0;
@@ -152,6 +129,8 @@ main (int argc, char **argv)
152 char *outbuff; 129 char *outbuff;
153 char *ptr = NULL; 130 char *ptr = NULL;
154 char *show = NULL; 131 char *show = NULL;
132 char *th_warn=NULL;
133 char *th_crit=NULL;
155 char type[8] = ""; 134 char type[8] = "";
156 output chld_out, chld_err; 135 output chld_out, chld_err;
157 136
@@ -163,7 +142,6 @@ main (int argc, char **argv)
163 unitv = malloc (unitv_size); 142 unitv = malloc (unitv_size);
164 for (i = 0; i < MAX_OIDS; i++) 143 for (i = 0; i < MAX_OIDS; i++)
165 eval_method[i] = CHECK_UNDEF; 144 eval_method[i] = CHECK_UNDEF;
166 i = 0;
167 145
168 label = strdup ("SNMP"); 146 label = strdup ("SNMP");
169 units = strdup (""); 147 units = strdup ("");
@@ -171,7 +149,6 @@ main (int argc, char **argv)
171 outbuff = strdup (""); 149 outbuff = strdup ("");
172 delimiter = strdup (" = "); 150 delimiter = strdup (" = ");
173 output_delim = strdup (DEFAULT_OUTPUT_DELIMITER); 151 output_delim = strdup (DEFAULT_OUTPUT_DELIMITER);
174 /* miblist = strdup (DEFAULT_MIBLIST); */
175 timeout_interval = DEFAULT_TIMEOUT; 152 timeout_interval = DEFAULT_TIMEOUT;
176 retries = DEFAULT_RETRIES; 153 retries = DEFAULT_RETRIES;
177 154
@@ -181,6 +158,28 @@ main (int argc, char **argv)
181 if (process_arguments (argc, argv) == ERROR) 158 if (process_arguments (argc, argv) == ERROR)
182 usage4 (_("Could not parse arguments")); 159 usage4 (_("Could not parse arguments"));
183 160
161 /* Populate the thresholds */
162 th_warn=warning_thresholds;
163 th_crit=critical_thresholds;
164 for (i=0; i<numoids; i++) {
165 char *w = th_warn ? strndup(th_warn, strcspn(th_warn, ",")) : NULL;
166 char *c = th_crit ? strndup(th_crit, strcspn(th_crit, ",")) : NULL;
167 /* Skip empty thresholds, while avoiding segfault */
168 set_thresholds(&thlds[i],
169 w ? strpbrk(w, NP_THRESHOLDS_CHARS) : NULL,
170 c ? strpbrk(c, NP_THRESHOLDS_CHARS) : NULL);
171 if (w) {
172 th_warn=strchr(th_warn, ',');
173 if (th_warn) th_warn++;
174 free(w);
175 }
176 if (c) {
177 th_crit=strchr(th_crit, ',');
178 if (th_crit) th_crit++;
179 free(c);
180 }
181 }
182
184 /* Create the command array to execute */ 183 /* Create the command array to execute */
185 if(usesnmpgetnext == TRUE) { 184 if(usesnmpgetnext == TRUE) {
186 snmpcmd = strdup (PATH_TO_SNMPGETNEXT); 185 snmpcmd = strdup (PATH_TO_SNMPGETNEXT);
@@ -251,6 +250,8 @@ main (int argc, char **argv)
251 } 250 }
252 251
253 for (i = 0; i < chld_out.lines; i++) { 252 for (i = 0; i < chld_out.lines; i++) {
253 const char *conv = "%.0f";
254
254 ptr = chld_out.line[i]; 255 ptr = chld_out.line[i];
255 oidname = strpcpy (oidname, ptr, delimiter); 256 oidname = strpcpy (oidname, ptr, delimiter);
256 response = strstr (ptr, delimiter); 257 response = strstr (ptr, delimiter);
@@ -274,32 +275,25 @@ main (int argc, char **argv)
274 } 275 }
275 else if (strstr (response, "INTEGER: ")) 276 else if (strstr (response, "INTEGER: "))
276 show = strstr (response, "INTEGER: ") + 9; 277 show = strstr (response, "INTEGER: ") + 9;
277 else if (strstr (response, "STRING: ")) 278 else if (strstr (response, "STRING: ")) {
278 show = strstr (response, "STRING: ") + 8; 279 show = strstr (response, "STRING: ") + 8;
280 conv = "%.10g";
281 }
282 else if (strstr (response, "Timeticks: "))
283 show = strstr (response, "Timeticks: ");
279 else 284 else
280 show = response; 285 show = response;
281 286
282 iresult = STATE_DEPENDENT; 287 iresult = STATE_DEPENDENT;
283 288
284 /* Process this block for integer comparisons */ 289 /* Process this block for integer comparisons */
285 if (eval_method[i] & CRIT_GT || 290 if (thlds[i]->warning || thlds[i]->critical) {
286 eval_method[i] & CRIT_LT ||
287 eval_method[i] & CRIT_GE ||
288 eval_method[i] & CRIT_LE ||
289 eval_method[i] & CRIT_EQ ||
290 eval_method[i] & CRIT_NE ||
291 eval_method[i] & WARN_GT ||
292 eval_method[i] & WARN_LT ||
293 eval_method[i] & WARN_GE ||
294 eval_method[i] & WARN_LE ||
295 eval_method[i] & WARN_EQ ||
296 eval_method[i] & WARN_NE) {
297 ptr = strpbrk (show, "0123456789"); 291 ptr = strpbrk (show, "0123456789");
298 if (ptr == NULL) 292 if (ptr == NULL)
299 die (STATE_UNKNOWN,_("No valid data returned")); 293 die (STATE_UNKNOWN,_("No valid data returned"));
300 response_value[i] = strtoul (ptr, NULL, 10); 294 response_value[i] = strtod (ptr, NULL);
301 iresult = check_num (i); 295 iresult = get_status(response_value[i], thlds[i]);
302 asprintf (&show, "%llu", response_value[i]); 296 asprintf (&show, conv, response_value[i]);
303 } 297 }
304 298
305 /* Process this block for string matching */ 299 /* Process this block for string matching */
@@ -363,9 +357,6 @@ main (int argc, char **argv)
363 } 357 }
364 } 358 }
365 359
366/* if (nunits == 1 || i == 1) */
367/* printf ("%s %s -%s %s\n", label, state_text (result), outbuff, units); */
368/* else */
369 printf ("%s %s -%s %s \n", label, state_text (result), outbuff, perfstr); 360 printf ("%s %s -%s %s \n", label, state_text (result), outbuff, perfstr);
370 361
371 return result; 362 return result;
@@ -488,27 +479,11 @@ process_arguments (int argc, char **argv)
488 break; 479 break;
489 480
490 /* Test parameters */ 481 /* Test parameters */
491 case 'c': /* critical time threshold */ 482 case 'c': /* critical threshold */
492 if (strspn (optarg, "0123456789:,") < strlen (optarg)) 483 critical_thresholds = optarg;
493 usage2 (_("Invalid critical threshold"), optarg);
494 for (ptr = optarg; ptr && jj < MAX_OIDS; jj++) {
495 if (llu_getll (&lower_crit_lim[jj], ptr) == 1)
496 eval_method[jj] |= CRIT_LT;
497 if (llu_getul (&upper_crit_lim[jj], ptr) == 1)
498 eval_method[jj] |= CRIT_GT;
499 (ptr = index (ptr, ',')) ? ptr++ : ptr;
500 }
501 break; 484 break;
502 case 'w': /* warning time threshold */ 485 case 'w': /* warning threshold */
503 if (strspn (optarg, "0123456789:,") < strlen (optarg)) 486 warning_thresholds = optarg;
504 usage2 (_("Invalid warning threshold"), optarg);
505 for (ptr = optarg; ptr && ii < MAX_OIDS; ii++) {
506 if (llu_getll (&lower_warn_lim[ii], ptr) == 1)
507 eval_method[ii] |= WARN_LT;
508 if (llu_getul (&upper_warn_lim[ii], ptr) == 1)
509 eval_method[ii] |= WARN_GT;
510 (ptr = index (ptr, ',')) ? ptr++ : ptr;
511 }
512 break; 487 break;
513 case 'e': /* PRELIMINARY - may change */ 488 case 'e': /* PRELIMINARY - may change */
514 case 'E': /* PRELIMINARY - may change */ 489 case 'E': /* PRELIMINARY - may change */
@@ -758,117 +733,6 @@ validate_arguments ()
758 733
759 734
760 735
761char *
762clarify_message (char *msg)
763{
764 int i = 0;
765 int foo;
766 char tmpmsg_c[MAX_INPUT_BUFFER];
767 char *tmpmsg = (char *) &tmpmsg_c;
768 tmpmsg = strcpy (tmpmsg, msg);
769 if (!strncmp (tmpmsg, " Hex:", 5)) {
770 tmpmsg = strtok (tmpmsg, ":");
771 while ((tmpmsg = strtok (NULL, " "))) {
772 foo = strtol (tmpmsg, NULL, 16);
773 /* Translate chars that are not the same value in the printers
774 * character set.
775 */
776 switch (foo) {
777 case 208:
778 {
779 foo = 197;
780 break;
781 }
782 case 216:
783 {
784 foo = 196;
785 break;
786 }
787 }
788 msg[i] = foo;
789 i++;
790 }
791 msg[i] = 0;
792 }
793 return (msg);
794}
795
796
797
798int
799check_num (int i)
800{
801 int result;
802 result = STATE_OK;
803 if (eval_method[i] & WARN_GT && eval_method[i] & WARN_LT &&
804 lower_warn_lim[i] > upper_warn_lim[i]) {
805 if (response_value[i] <= lower_warn_lim[i] &&
806 response_value[i] >= upper_warn_lim[i]) {
807 result = STATE_WARNING;
808 }
809 }
810 else if
811 ((eval_method[i] & WARN_GT && response_value[i] > upper_warn_lim[i]) ||
812 (eval_method[i] & WARN_GE && response_value[i] >= upper_warn_lim[i]) ||
813 (eval_method[i] & WARN_LT && response_value[i] < lower_warn_lim[i]) ||
814 (eval_method[i] & WARN_LE && response_value[i] <= lower_warn_lim[i]) ||
815 (eval_method[i] & WARN_EQ && response_value[i] == upper_warn_lim[i]) ||
816 (eval_method[i] & WARN_NE && response_value[i] != upper_warn_lim[i])) {
817 result = STATE_WARNING;
818 }
819
820 if (eval_method[i] & CRIT_GT && eval_method[i] & CRIT_LT &&
821 lower_crit_lim[i] > upper_crit_lim[i]) {
822 if (response_value[i] <= lower_crit_lim[i] &&
823 response_value[i] >= upper_crit_lim[i]) {
824 result = STATE_CRITICAL;
825 }
826 }
827 else if
828 ((eval_method[i] & CRIT_GT && response_value[i] > upper_crit_lim[i]) ||
829 (eval_method[i] & CRIT_GE && response_value[i] >= upper_crit_lim[i]) ||
830 (eval_method[i] & CRIT_LT && response_value[i] < lower_crit_lim[i]) ||
831 (eval_method[i] & CRIT_LE && response_value[i] <= lower_crit_lim[i]) ||
832 (eval_method[i] & CRIT_EQ && response_value[i] == upper_crit_lim[i]) ||
833 (eval_method[i] & CRIT_NE && response_value[i] != upper_crit_lim[i])) {
834 result = STATE_CRITICAL;
835 }
836
837 return result;
838}
839
840
841
842int
843llu_getll (unsigned long long *ll, char *str)
844{
845 char tmp[100];
846 if (strchr (str, ':') == NULL)
847 return 0;
848 if (strchr (str, ',') != NULL && (strchr (str, ',') < strchr (str, ':')))
849 return 0;
850 if (sscanf (str, "%llu%[:]", ll, tmp) == 2)
851 return 1;
852 return 0;
853}
854
855
856
857int
858llu_getul (unsigned long long *ul, char *str)
859{
860 char tmp[100];
861 if (sscanf (str, "%llu%[^,]", ul, tmp) == 1)
862 return 1;
863 if (sscanf (str, ":%llu%[^,]", ul, tmp) == 1)
864 return 1;
865 if (sscanf (str, "%*u:%llu%[^,]", ul, tmp) == 1)
866 return 1;
867 return 0;
868}
869
870
871
872/* trim leading whitespace 736/* trim leading whitespace
873 if there is a leading quote, make sure it balances */ 737 if there is a leading quote, make sure it balances */
874 738
@@ -973,10 +837,10 @@ print_help (void)
973 printf (" %s\n", _("to be the data that should be used in the evaluation.")); 837 printf (" %s\n", _("to be the data that should be used in the evaluation."));
974 838
975 /* Tests Against Integers */ 839 /* Tests Against Integers */
976 printf (" %s\n", "-w, --warning=INTEGER_RANGE(s)"); 840 printf (" %s\n", "-w, --warning=THRESHOLD(s)");
977 printf (" %s\n", _("Range(s) which will not result in a WARNING status")); 841 printf (" %s\n", _("Warning threshold range(s)"));
978 printf (" %s\n", "-c, --critical=INTEGER_RANGE(s)"); 842 printf (" %s\n", "-c, --critical=THRESHOLD(s)");
979 printf (" %s\n", _("Range(s) which will not result in a CRITICAL status")); 843 printf (" %s\n", _("Critical threshold range(s)"));
980 844
981 /* Tests Against Strings */ 845 /* Tests Against Strings */
982 printf (" %s\n", "-s, --string=STRING"); 846 printf (" %s\n", "-s, --string=STRING");
@@ -1010,16 +874,8 @@ print_help (void)
1010 printf (" %s\n", _("- Multiple OIDs may be indicated by a comma- or space-delimited list (lists with")); 874 printf (" %s\n", _("- Multiple OIDs may be indicated by a comma- or space-delimited list (lists with"));
1011 printf (" %s\n", _("internal spaces must be quoted) [max 8 OIDs]")); 875 printf (" %s\n", _("internal spaces must be quoted) [max 8 OIDs]"));
1012 876
1013 printf (" %s\n", _("- Ranges are inclusive and are indicated with colons. When specified as")); 877 printf(" -%s", _(UT_THRESHOLDS_NOTES));
1014 printf (" %s\n", _("'min:max' a STATE_OK will be returned if the result is within the indicated"));
1015 printf (" %s\n", _("range or is equal to the upper or lower bound. A non-OK state will be"));
1016 printf (" %s\n", _("returned if the result is outside the specified range."));
1017
1018 printf (" %s\n", _("- If specified in the order 'max:min' a non-OK state will be returned if the"));
1019 printf (" %s\n", _("result is within the (inclusive) range."));
1020 878
1021 printf (" %s\n", _("- Upper or lower bounds may be omitted to skip checking the respective limit."));
1022 printf (" %s\n", _("- Bare integers are interpreted as upper limits."));
1023 printf (" %s\n", _("- When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'")); 879 printf (" %s\n", _("- When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'"));
1024 printf (" %s\n", _("- Note that only one string and one regex may be checked at present")); 880 printf (" %s\n", _("- Note that only one string and one regex may be checked at present"));
1025 printf (" %s\n", _("- All evaluation methods other than PR, STR, and SUBSTR expect that the value")); 881 printf (" %s\n", _("- All evaluation methods other than PR, STR, and SUBSTR expect that the value"));