Imported Upstream version 1.4.15

This commit is contained in:
Jan Wagner 2013-11-26 23:57:29 +01:00
parent 882cdeecca
commit 047baae1ca
386 changed files with 60019 additions and 38317 deletions

View file

@ -59,6 +59,30 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
#define MAX_OIDS 8
/* Longopts only arguments */
#define L_CALCULATE_RATE CHAR_MAX+1
#define L_RATE_MULTIPLIER CHAR_MAX+2
#define L_INVERT_SEARCH CHAR_MAX+3
/* Gobble to string - stop incrementing c when c[0] match one of the
* characters in s */
#define GOBBLE_TOS(c, s) while(c[0]!='\0' && strchr(s, c[0])==NULL) { c++; }
/* Given c, keep track of backslashes (bk) and double-quotes (dq)
* from c[0] */
#define COUNT_SEQ(c, bk, dq) switch(c[0]) {\
case '\\': \
if (bk) bk--; \
else bk++; \
break; \
case '"': \
if (!dq) { dq++; } \
else if(!bk) { dq--; } \
else { bk--; } \
break; \
}
int process_arguments (int, char **);
int validate_arguments (void);
char *thisarg (char *str);
@ -92,6 +116,7 @@ char *units;
char *port;
char *snmpcmd;
char string_value[MAX_INPUT_BUFFER] = "";
int invert_search=0;
char **labels = NULL;
char **unitv = NULL;
size_t nlabels = 0;
@ -112,12 +137,17 @@ char *delimiter;
char *output_delim;
char *miblist = NULL;
int needmibs = FALSE;
int calculate_rate = 0;
int rate_multiplier = 1;
state_data *previous_state;
double previous_value[MAX_OIDS];
int
main (int argc, char **argv)
{
int i;
int i, len, line, total_oids;
unsigned int bk_count = 0, dq_count = 0;
int iresult = STATE_UNKNOWN;
int result = STATE_UNKNOWN;
int return_code = 0;
@ -126,6 +156,7 @@ main (int argc, char **argv)
char *cl_hidden_auth = NULL;
char *oidname = NULL;
char *response = NULL;
char *mult_resp = NULL;
char *outbuff;
char *ptr = NULL;
char *show = NULL;
@ -133,6 +164,17 @@ main (int argc, char **argv)
char *th_crit=NULL;
char type[8] = "";
output chld_out, chld_err;
char *previous_string=NULL;
char *ap=NULL;
char *state_string=NULL;
size_t response_length, current_length, string_length;
char *temp_string=NULL;
int is_numeric=0;
time_t current_time;
double temp_double;
time_t duration;
char *conv = "12345678";
int is_counter=0;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
@ -152,12 +194,33 @@ main (int argc, char **argv)
timeout_interval = DEFAULT_TIMEOUT;
retries = DEFAULT_RETRIES;
np_init( (char *) progname, argc, argv );
/* Parse extra opts if any */
argv=np_extra_opts (&argc, argv, progname);
np_set_args(argc, argv);
if (process_arguments (argc, argv) == ERROR)
usage4 (_("Could not parse arguments"));
if(calculate_rate) {
if (!strcmp(label, "SNMP"))
label = strdup("SNMP RATE");
time(&current_time);
i=0;
previous_state = np_state_read();
if(previous_state!=NULL) {
/* Split colon separated values */
previous_string = strdup((char *) previous_state->data);
while((ap = strsep(&previous_string, ":")) != NULL) {
if(verbose>2)
printf("State for %d=%s\n", i, ap);
previous_value[i++]=strtod(ap,NULL);
}
}
}
/* Populate the thresholds */
th_warn=warning_thresholds;
th_crit=critical_thresholds;
@ -249,40 +312,89 @@ main (int argc, char **argv)
}
}
for (i = 0; i < chld_out.lines; i++) {
const char *conv = "%.0f";
for (line=0, i=0; line < chld_out.lines; line++, i++) {
if(calculate_rate)
conv = "%.10g";
else
conv = "%.0f";
ptr = chld_out.line[i];
ptr = chld_out.line[line];
oidname = strpcpy (oidname, ptr, delimiter);
response = strstr (ptr, delimiter);
if (response == NULL)
break;
if (verbose > 2) {
printf("Processing line %i\n oidname: %s\n response: %s\n", i+1, oidname, response);
printf("Processing oid %i (line %i)\n oidname: %s\n response: %s\n", i+1, line+1, oidname, response);
}
/* Clean up type array - Sol10 does not necessarily zero it out */
bzero(type, sizeof(type));
is_counter=0;
/* We strip out the datatype indicator for PHBs */
if (strstr (response, "Gauge: "))
if (strstr (response, "Gauge: ")) {
show = strstr (response, "Gauge: ") + 7;
else if (strstr (response, "Gauge32: "))
is_numeric++;
}
else if (strstr (response, "Gauge32: ")) {
show = strstr (response, "Gauge32: ") + 9;
is_numeric++;
}
else if (strstr (response, "Counter32: ")) {
show = strstr (response, "Counter32: ") + 11;
strcpy(type, "c");
is_numeric++;
is_counter=1;
if(!calculate_rate)
strcpy(type, "c");
}
else if (strstr (response, "Counter64: ")) {
show = strstr (response, "Counter64: ") + 11;
strcpy(type, "c");
is_numeric++;
is_counter=1;
if(!calculate_rate)
strcpy(type, "c");
}
else if (strstr (response, "INTEGER: "))
else if (strstr (response, "INTEGER: ")) {
show = strstr (response, "INTEGER: ") + 9;
is_numeric++;
}
else if (strstr (response, "STRING: ")) {
show = strstr (response, "STRING: ") + 8;
conv = "%.10g";
/* Get the rest of the string on multi-line strings */
ptr = show;
COUNT_SEQ(ptr, bk_count, dq_count)
while (dq_count && ptr[0] != '\n' && ptr[0] != '\0') {
ptr++;
GOBBLE_TOS(ptr, "\n\"\\")
COUNT_SEQ(ptr, bk_count, dq_count)
}
if (dq_count) { /* unfinished line */
/* copy show verbatim first */
if (!mult_resp) mult_resp = strdup("");
asprintf (&mult_resp, "%s%s:\n%s\n", mult_resp, oids[i], show);
/* then strip out unmatched double-quote from single-line output */
if (show[0] == '"') show++;
/* Keep reading until we match end of double-quoted string */
for (line++; line < chld_out.lines; line++) {
ptr = chld_out.line[line];
asprintf (&mult_resp, "%s%s\n", mult_resp, ptr);
COUNT_SEQ(ptr, bk_count, dq_count)
while (dq_count && ptr[0] != '\n' && ptr[0] != '\0') {
ptr++;
GOBBLE_TOS(ptr, "\n\"\\")
COUNT_SEQ(ptr, bk_count, dq_count)
}
/* Break for loop before next line increment when done */
if (!dq_count) break;
}
}
}
else if (strstr (response, "Timeticks: "))
show = strstr (response, "Timeticks: ");
@ -291,29 +403,50 @@ main (int argc, char **argv)
iresult = STATE_DEPENDENT;
/* Process this block for integer comparisons */
if (thlds[i]->warning || thlds[i]->critical) {
/* Process this block for numeric comparisons */
if (is_numeric) {
ptr = strpbrk (show, "0123456789");
if (ptr == NULL)
die (STATE_UNKNOWN,_("No valid data returned"));
response_value[i] = strtod (ptr, NULL);
iresult = get_status(response_value[i], thlds[i]);
asprintf (&show, conv, response_value[i]);
if(calculate_rate) {
if (previous_state!=NULL) {
duration = current_time-previous_state->time;
if(duration<=0)
die(STATE_UNKNOWN,_("Time duration between plugin calls is invalid"));
temp_double = response_value[i]-previous_value[i];
/* Simple overflow catcher (same as in rrdtool, rrd_update.c) */
if(is_counter) {
if(temp_double<(double)0.0)
temp_double+=(double)4294967296.0; /* 2^32 */
if(temp_double<(double)0.0)
temp_double+=(double)18446744069414584320.0; /* 2^64-2^32 */;
}
/* Convert to per second, then use multiplier */
temp_double = temp_double/duration*rate_multiplier;
iresult = get_status(temp_double, thlds[i]);
asprintf (&show, conv, temp_double);
}
} else {
iresult = get_status(response_value[i], thlds[i]);
asprintf (&show, conv, response_value[i]);
}
}
/* Process this block for string matching */
else if (eval_method[i] & CRIT_STRING) {
if (strcmp (show, string_value))
iresult = STATE_CRITICAL;
iresult = (invert_search==0) ? STATE_CRITICAL : STATE_OK;
else
iresult = STATE_OK;
iresult = (invert_search==0) ? STATE_OK : STATE_CRITICAL;
}
/* Process this block for regex matching */
else if (eval_method[i] & CRIT_REGEX) {
excode = regexec (&preg, response, 10, pmatch, eflags);
if (excode == 0) {
iresult = STATE_OK;
iresult = (invert_search==0) ? STATE_OK : STATE_CRITICAL;
}
else if (excode != REG_NOMATCH) {
regerror (excode, &preg, errbuf, MAX_INPUT_BUFFER);
@ -321,11 +454,12 @@ main (int argc, char **argv)
exit (STATE_CRITICAL);
}
else {
iresult = STATE_CRITICAL;
iresult = (invert_search==0) ? STATE_CRITICAL : STATE_OK;
}
}
/* Process this block for existence-nonexistence checks */
/* TV: Should this be outside of this else block? */
else {
if (eval_method[i] & CRIT_PRESENT)
iresult = STATE_CRITICAL;
@ -339,7 +473,7 @@ main (int argc, char **argv)
result = max_state (result, iresult);
/* Prepend a label for this OID if there is one */
if (nlabels > (size_t)1 && (size_t)i < nlabels && labels[i] != NULL)
if (nlabels >= (size_t)1 && (size_t)i < nlabels && labels[i] != NULL)
asprintf (&outbuff, "%s%s%s %s%s%s", outbuff,
(i == 0) ? " " : output_delim,
labels[i], mark (iresult), show, mark (iresult));
@ -351,18 +485,65 @@ main (int argc, char **argv)
if (nunits > (size_t)0 && (size_t)i < nunits && unitv[i] != NULL)
asprintf (&outbuff, "%s %s", outbuff, unitv[i]);
if (is_numeric(show)) {
strncat(perfstr, oidname, sizeof(perfstr)-strlen(perfstr)-1);
/* Write perfdata with whatever can be parsed by strtod, if possible */
ptr = NULL;
strtod(show, &ptr);
if (ptr > show) {
if (nlabels >= (size_t)1 && (size_t)i < nlabels && labels[i] != NULL)
temp_string=labels[i];
else
temp_string=oidname;
strncat(perfstr, temp_string, sizeof(perfstr)-strlen(perfstr)-1);
strncat(perfstr, "=", sizeof(perfstr)-strlen(perfstr)-1);
strncat(perfstr, show, sizeof(perfstr)-strlen(perfstr)-1);
len = sizeof(perfstr)-strlen(perfstr)-1;
strncat(perfstr, show, len>ptr-show ? ptr-show : len);
if (type)
strncat(perfstr, type, sizeof(perfstr)-strlen(perfstr)-1);
strncat(perfstr, " ", sizeof(perfstr)-strlen(perfstr)-1);
}
}
total_oids=i;
printf ("%s %s -%s %s \n", label, state_text (result), outbuff, perfstr);
/* Save state data, as all data collected now */
if(calculate_rate) {
string_length=1024;
state_string=malloc(string_length);
if(state_string==NULL)
die(STATE_UNKNOWN, _("Cannot malloc"));
current_length=0;
for(i=0; i<total_oids; i++) {
asprintf(&temp_string,"%.0f",response_value[i]);
if(temp_string==NULL)
die(STATE_UNKNOWN,_("Cannot asprintf()"));
response_length = strlen(temp_string);
if(current_length+response_length>string_length) {
string_length=current_length+1024;
state_string=realloc(state_string,string_length);
if(state_string==NULL)
die(STATE_UNKNOWN, _("Cannot realloc()"));
}
strcpy(&state_string[current_length],temp_string);
current_length=current_length+response_length;
state_string[current_length]=':';
current_length++;
free(temp_string);
}
state_string[--current_length]='\0';
if (verbose > 2)
printf("State string=%s\n",state_string);
/* This is not strictly the same as time now, but any subtle variations will cancel out */
np_state_write_string(current_time, state_string );
if(previous_state==NULL) {
/* Or should this be highest state? */
die( STATE_OK, _("No previous data to calculate rate - assume okay" ) );
}
}
printf ("%s %s -%s %s\n", label, state_text (result), outbuff, perfstr);
if (mult_resp) printf ("%s", mult_resp);
return result;
}
@ -403,6 +584,9 @@ process_arguments (int argc, char **argv)
{"authpasswd", required_argument, 0, 'A'},
{"privpasswd", required_argument, 0, 'X'},
{"next", no_argument, 0, 'n'},
{"rate", no_argument, 0, L_CALCULATE_RATE},
{"rate-multiplier", required_argument, 0, L_RATE_MULTIPLIER},
{"invert-search", no_argument, 0, L_INVERT_SEARCH},
{0, 0, 0, 0}
};
@ -506,7 +690,7 @@ process_arguments (int argc, char **argv)
*/
needmibs = TRUE;
}
oids = calloc(MAX_OIDS, sizeof (char *));
if (!oids) oids = calloc(MAX_OIDS, sizeof (char *));
for (ptr = strtok(optarg, ", "); ptr != NULL && j < MAX_OIDS; ptr = strtok(NULL, ", "), j++) {
oids[j] = strdup(ptr);
}
@ -550,7 +734,6 @@ process_arguments (int argc, char **argv)
output_delim = strscpy (output_delim, optarg);
break;
case 'l': /* label */
label = optarg;
nlabels++;
if (nlabels >= labels_size) {
labels_size += 8;
@ -607,7 +790,18 @@ process_arguments (int argc, char **argv)
unitv[nunits - 1] = ptr;
}
break;
case L_CALCULATE_RATE:
if(calculate_rate==0)
np_enable_state(NULL, 1);
calculate_rate = 1;
break;
case L_RATE_MULTIPLIER:
if(!is_integer(optarg)||((rate_multiplier=atoi(optarg))<=0))
usage2(_("Rate multiplier must be a positive integer"),optarg);
break;
case L_INVERT_SEARCH:
invert_search=1;
break;
}
}
@ -802,10 +996,10 @@ print_help (void)
print_usage ();
printf (_(UT_HELP_VRSN));
printf (_(UT_EXTRA_OPTS));
printf (UT_HELP_VRSN);
printf (UT_EXTRA_OPTS);
printf (_(UT_HOST_PORT), 'p', DEFAULT_PORT);
printf (UT_HOST_PORT, 'p', DEFAULT_PORT);
/* SNMP and Authentication Protocol */
printf (" %s\n", "-n, --next");
@ -846,6 +1040,10 @@ print_help (void)
printf (" %s\n", _("Warning threshold range(s)"));
printf (" %s\n", "-c, --critical=THRESHOLD(s)");
printf (" %s\n", _("Critical threshold range(s)"));
printf (" %s\n", "--rate");
printf (" %s\n", _("Enable rate calculation. See 'Rate Calculation' below"));
printf (" %s\n", "--rate-multiplier");
printf (" %s\n", _("Converts rate per second. For example, set to 60 to convert to per minute"));
/* Tests Against Strings */
printf (" %s\n", "-s, --string=STRING");
@ -854,20 +1052,22 @@ print_help (void)
printf (" %s\n", _("Return OK state (for that OID) if extended regular expression REGEX matches"));
printf (" %s\n", "-R, --eregi=REGEX");
printf (" %s\n", _("Return OK state (for that OID) if case-insensitive extended REGEX matches"));
printf (" %s\n", "-l, --label=STRING");
printf (" %s\n", _("Prefix label for output from plugin (default -s 'SNMP')"));
printf (" %s\n", "--invert-search");
printf (" %s\n", _("Invert search result (CRITICAL if found)"));
/* Output Formatting */
printf (" %s\n", "-l, --label=STRING");
printf (" %s\n", _("Prefix label for output from plugin"));
printf (" %s\n", "-u, --units=STRING");
printf (" %s\n", _("Units label(s) for output data (e.g., 'sec.')."));
printf (" %s\n", "-D, --output-delimiter=STRING");
printf (" %s\n", _("Separates output on multiple OID requests"));
printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
printf (UT_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
printf (" %s\n", "-e, --retries=INTEGER");
printf (" %s\n", _("Number of retries to be used in the requests"));
printf (_(UT_VERBOSE));
printf (UT_VERBOSE);
printf ("\n");
printf ("%s\n", _("This plugin uses the 'snmpget' command included with the NET-SNMP package."));
@ -876,20 +1076,27 @@ print_help (void)
printf ("\n");
printf ("%s\n", _("Notes:"));
printf (" %s\n", _("- Multiple OIDs may be indicated by a comma- or space-delimited list (lists with"));
printf (" %s\n", _("internal spaces must be quoted) [max 8 OIDs]"));
printf (" %s\n", _("- Multiple OIDs may be indicated by a comma or space-delimited list (lists with"));
printf (" %s %i %s\n", _("internal spaces must be quoted). Maximum:"), MAX_OIDS, _("OIDs."));
printf(" -%s", _(UT_THRESHOLDS_NOTES));
printf(" -%s", UT_THRESHOLDS_NOTES);
printf (" %s\n", _("- When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'"));
printf (" %s\n", _("- Note that only one string and one regex may be checked at present"));
printf (" %s\n", _("- All evaluation methods other than PR, STR, and SUBSTR expect that the value"));
printf (" %s\n", _("returned from the SNMP query is an unsigned integer."));
#ifdef NP_EXTRA_OPTS
printf (" -%s", _(UT_EXTRA_OPTS_NOTES));
#endif
printf (_(UT_SUPPORT));
printf("\n");
printf("%s\n", _("Rate Calculation:"));
printf(" %s\n", _("In many places, SNMP returns counters that are only meaningful when"));
printf(" %s\n", _("calculating the counter difference since the last check. check_snmp"));
printf(" %s\n", _("saves the last state information in a file so that the rate per second"));
printf(" %s\n", _("can be calculated. Use the --rate option to save state information."));
printf(" %s\n", _("On the first run, there will be no prior state - this will return with OK."));
printf(" %s\n", _("The state is uniquely determined by the arguments to the plugin, so"));
printf(" %s\n", _("changing the arguments will create a new state file."));
printf (UT_SUPPORT);
}
@ -897,7 +1104,7 @@ print_help (void)
void
print_usage (void)
{
printf (_("Usage:"));
printf ("%s\n", _("Usage:"));
printf ("%s -H <ip_address> -o <OID> [-w warn_range] [-c crit_range]\n",progname);
printf ("[-C community] [-s string] [-r regex] [-R regexi] [-t timeout] [-e retries]\n");
printf ("[-l label] [-u units] [-p port-number] [-d delimiter] [-D output-delimiter]\n");