X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_snmp.c;h=7d0ebc92ed9a21cc59c39d04e8f464473573f1dd;hb=d19edd4043c498626fe68308005947975ef0a697;hp=19306b5860377830611443d129c8a9a468a8627f;hpb=74cb2bc8c90429062eb424174b49de3ab8b9388e;p=nagiosplug.git diff --git a/plugins/check_snmp.c b/plugins/check_snmp.c index 19306b5..7d0ebc9 100644 --- a/plugins/check_snmp.c +++ b/plugins/check_snmp.c @@ -1,123 +1,39 @@ /****************************************************************************** - * - * Program: SNMP plugin for Nagios - * License: GPL - * - * License Information: - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - *./plugins/check_snmp 127.0.0.1 -c public -o .1.3.6.1.4.1.2021.9.1.2.1 - * - *****************************************************************************/ - -#define PROGNAME "check_snmp" -#define REVISION "$Revision$" -#define COPYRIGHT "1999-2002" -#define AUTHOR "Ethan Galstad" -#define EMAIL "nagios@nagios.org" -#define SUMMARY "Check status of remote machines using SNMP.\n" - -#define OPTIONS "\ --H -o [-w warn_range] [-c crit_range] \n\ - [-C community] [-s string] [-r regex] [-R regexi] [-t timeout]\n\ - [-l label] [-u units] [-p port-number] [-d delimiter]\n\ - [-D output-delimiter] [-m miblist]" - -#define LONGOPTIONS "\ - -H, --hostname=HOST\n\ - Name or IP address of the device you wish to query\n\ - -o, --oid=OID(s)\n\ - Object identifier(s) whose value you wish to query\n\ - -w, --warning=INTEGER_RANGE(s)\n\ - Range(s) which will not result in a WARNING status\n\ - -c, --critical=INTEGER_RANGE(s)\n\ - Range(s) which will not result in a CRITICAL status\n\ - -C, --community=STRING\n\ - Optional community string for SNMP communication\n\ - (default is \"%s\")\n\ - -u, --units=STRING\n\ - Units label(s) for output data (e.g., 'sec.').\n\ - -p, --port=STRING\n\ - UDP port number target is listening on. Default is \"%s\"\n\ - -P, --protocol=[1|3]\n\ - SNMP protocol version\n\ - -L, --seclevel=[noAuthNoPriv|authNoPriv|authPriv]\n\ - SNMPv3 securityLevel\n\ - -U, --secname=USERNAME\n\ - SNMPv3 username\n\ - -a, --authproto=[MD5|SHA]\n\ - SNMPv3 auth proto\n\ - -A, --authpassword=PASSWORD\n\ - SNMPv3 authentication password\n\ - -X, --privpasswd=PASSWORD\n\ - SNMPv3 crypt passwd (DES)\n\ - -d, --delimiter=STRING\n\ - Delimiter to use when parsing returned data. Default is \"%s\"\n\ - Any data on the right hand side of the delimiter is considered\n\ - to be the data that should be used in the evaluation.\n\ - -t, --timeout=INTEGER\n\ - Seconds to wait before plugin times out (see also nagios server timeout).\n\ - Default is %d seconds\n\ - -D, --output-delimiter=STRING\n\ - Separates output on multiple OID requests\n\ - -s, --string=STRING\n\ - Return OK state (for that OID) if STRING is an exact match\n\ - -r, --ereg=REGEX\n\ - Return OK state (for that OID) if extended regular expression REGEX matches\n\ - -R, --eregi=REGEX\n\ - Return OK state (for that OID) if case-insensitive extended REGEX matches\n\ - -l, --label=STRING\n\ - Prefix label for output from plugin (default -s 'SNMP')\n\ - -v, --verbose\n\ - Debugging the output\n\ - -m, --miblist=STRING\n\ - List of MIBS to be loaded (default = ALL)\n" -#define NOTES "\ -- This plugin uses the 'snmpget' command included with the NET-SNMP package.\n\ - If you don't have the package installed, you will need to download it from\n\ - http://net-snmp.sourceforge.net before you can use this plugin.\n\ -- Multiple OIDs may be indicated by a comma- or space-delimited list (lists with\n\ - internal spaces must be quoted) [max 8 OIDs]\n\ -- Ranges are inclusive and are indicated with colons. When specified as\n\ - 'min:max' a STATE_OK will be returned if the result is within the indicated\n\ - range or is equal to the upper or lower bound. A non-OK state will be\n\ - returned if the result is outside the specified range.\n\ -- If specified in the order 'max:min' a non-OK state will be returned if the\n\ - result is within the (inclusive) range.\n\ -- Upper or lower bounds may be omitted to skip checking the respective limit.\n\ -- Bare integers are interpreted as upper limits.\n\ -- When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'\n\ -- Note that only one string and one regex may be checked at present\n\ -- All evaluation methods other than PR, STR, and SUBSTR expect that the value\n\ - returned from the SNMP query is an unsigned integer.\n" + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -#define DESCRIPTION "\ -This plugin gets system information on a remote server via snmp.\n" + $Id$ + +******************************************************************************/ + +const char *progname = "check_snmp"; +const char *revision = "$Revision$"; +const char *copyright = "1999-2003"; +const char *email = "nagiosplug-devel@lists.sourceforge.net"; + +#include "common.h" +#include "utils.h" +#include "popen.h" #define DEFAULT_COMMUNITY "public" #define DEFAULT_PORT "161" -#define DEFAULT_TIMEOUT 10 #define DEFAULT_MIBLIST "ALL" #define DEFAULT_PROTOCOL "1" #define DEFAULT_AUTH_PROTOCOL "MD5" - -#include "common.h" -#include "utils.h" -#include "popen.h" +#define DEFAULT_DELIMITER "=" +#define DEFAULT_OUTPUT_DELIMITER " " #define mark(a) ((a)!=0?"*":"") @@ -145,19 +61,17 @@ This plugin gets system information on a remote server via snmp.\n" #define MAX_OIDS 8 #define MAX_DELIM_LENGTH 8 -#define DEFAULT_DELIMITER "=" -#define DEFAULT_OUTPUT_DELIMITER " " -void print_usage (void); -void print_help (void); int process_arguments (int, char **); int validate_arguments (void); -int check_num (int); char *clarify_message (char *); +int check_num (int); int lu_getll (unsigned long *, char *); int lu_getul (unsigned long *, char *); char *thisarg (char *str); char *nextarg (char *str); +void print_usage (void); +void print_help (void); #ifdef HAVE_REGEX_H #include @@ -165,7 +79,6 @@ char regex_expect[MAX_INPUT_BUFFER] = ""; regex_t preg; regmatch_t pmatch[10]; char timestamp[10] = ""; -char regex[MAX_INPUT_BUFFER]; char errbuf[MAX_INPUT_BUFFER]; int cflags = REG_EXTENDED | REG_NOSUB | REG_NEWLINE; int eflags = 0; @@ -181,17 +94,17 @@ char *secname = NULL; char *authproto = NULL; char *authpasswd = NULL; char *privpasswd = NULL; -char *oid = ""; -char *label = NULL; -char *units = NULL; -char *port = DEFAULT_PORT; +char *oid; +char *label; +char *units; +char *port; char string_value[MAX_INPUT_BUFFER] = ""; char **labels = NULL; char **unitv = NULL; -int nlabels = 0; -int labels_size = 8; -int nunits = 0; -int unitv_size = 8; +size_t nlabels = 0; +size_t labels_size = 8; +size_t nunits = 0; +size_t unitv_size = 8; int verbose = FALSE; unsigned long lower_warn_lim[MAX_OIDS]; unsigned long upper_warn_lim[MAX_OIDS]; @@ -200,10 +113,11 @@ unsigned long upper_crit_lim[MAX_OIDS]; unsigned long response_value[MAX_OIDS]; int check_warning_value = FALSE; int check_critical_value = FALSE; -int eval_method[MAX_OIDS]; -char *delimiter = NULL; -char *output_delim = NULL; -char *miblist = NULL; +unsigned long eval_method[MAX_OIDS]; +char *delimiter; +char *output_delim; +char *miblist; + int @@ -216,40 +130,54 @@ main (int argc, char **argv) char input_buffer[MAX_INPUT_BUFFER]; char *command_line = NULL; char *response = NULL; - char *outbuff = ""; - char *output = NULL; + char *outbuff; + char *output; char *ptr = NULL; char *p2 = NULL; char *show = NULL; + setlocale (LC_ALL, ""); + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); + labels = malloc (labels_size); unitv = malloc (unitv_size); for (i = 0; i < MAX_OIDS; i++) eval_method[i] = CHECK_UNDEF; i = 0; + oid = strdup (""); + label = strdup ("SNMP"); + units = strdup (""); + port = strdup (DEFAULT_PORT); + outbuff = strdup (""); + output = strdup (""); + delimiter = strdup (DEFAULT_DELIMITER); + output_delim = strdup (DEFAULT_OUTPUT_DELIMITER); + miblist = strdup (DEFAULT_MIBLIST); + if (process_arguments (argc, argv) == ERROR) - usage ("Incorrect arguments supplied\n"); + usage (_("check_snmp: could not parse arguments\n")); /* create the command line to execute */ - asprintf (&command_line, "%s -m %s -v %s %s %s:%s %s", - PATH_TO_SNMPGET, miblist, proto, authpriv, server_address, port, oid); + asprintf (&command_line, "%s -t 1 -r %d -m %s -v %s %s %s:%s %s", + PATH_TO_SNMPGET, timeout_interval - 1, miblist, proto, + authpriv, server_address, port, oid); if (verbose) printf ("%s\n", command_line); /* run the command */ child_process = spopen (command_line); if (child_process == NULL) { - printf ("Could not open pipe: %s\n", command_line); + printf (_("Could not open pipe: %s\n"), command_line); exit (STATE_UNKNOWN); } child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r"); if (child_stderr == NULL) { - printf ("Could not open stderr for %s\n", command_line); + printf (_("Could not open stderr for %s\n"), command_line); } - asprintf (&output, ""); while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) asprintf (&output, "%s%s", output, input_buffer); @@ -286,45 +214,50 @@ main (int argc, char **argv) ptr = strpbrk (ptr, "\n"); } if (ptr && strstr (ptr, delimiter) == NULL) { - response = strscat (response, ptr); + asprintf (&response, "%s%s", response, ptr); ptr = NULL; } } + /* We strip out the datatype indicator for PHBs */ if (strstr (response, "Gauge: ")) show = strstr (response, "Gauge: ") + 7; else if (strstr (response, "Gauge32: ")) show = strstr (response, "Gauge32: ") + 9; + else if (strstr (response, "Counter32: ")) + show = strstr (response, "Counter32: ") + 11; + else if (strstr (response, "INTEGER: ")) + show = strstr (response, "INTEGER: ") + 9; + else if (strstr (response, "STRING: ")) + show = strstr (response, "STRING: ") + 8; else show = response; p2 = show; iresult = STATE_DEPENDENT; - if (eval_method[i] & CRIT_PRESENT) { - iresult = STATE_CRITICAL; - } else if (eval_method[i] & WARN_PRESENT) { - iresult = STATE_WARNING; - } - + /* Process this block for integer comparisons */ if (eval_method[i] & CRIT_GT || - eval_method[i] & CRIT_LT || - eval_method[i] & CRIT_GE || - eval_method[i] & CRIT_LE || - eval_method[i] & CRIT_EQ || - eval_method[i] & CRIT_NE || - eval_method[i] & WARN_GT || - eval_method[i] & WARN_LT || - eval_method[i] & WARN_GE || - eval_method[i] & WARN_LE || - eval_method[i] & WARN_EQ || eval_method[i] & WARN_NE) { + eval_method[i] & CRIT_LT || + eval_method[i] & CRIT_GE || + eval_method[i] & CRIT_LE || + eval_method[i] & CRIT_EQ || + eval_method[i] & CRIT_NE || + eval_method[i] & WARN_GT || + eval_method[i] & WARN_LT || + eval_method[i] & WARN_GE || + eval_method[i] & WARN_LE || + eval_method[i] & WARN_EQ || + eval_method[i] & WARN_NE) { p2 = strpbrk (p2, "0123456789"); + if (p2 == NULL) + die (STATE_UNKNOWN,"No valid data returned"); response_value[i] = strtoul (p2, NULL, 10); iresult = check_num (i); asprintf (&show, "%lu", response_value[i]); - /*asprintf (&show, "%s", response); */ } + /* Process this block for string matching */ else if (eval_method[i] & CRIT_STRING) { if (strcmp (response, string_value)) iresult = STATE_CRITICAL; @@ -332,6 +265,7 @@ main (int argc, char **argv) iresult = STATE_OK; } + /* Process this block for regex matching */ else if (eval_method[i] & CRIT_REGEX) { #ifdef HAVE_REGEX_H excode = regexec (&preg, response, 10, pmatch, eflags); @@ -340,28 +274,33 @@ main (int argc, char **argv) } else if (excode != REG_NOMATCH) { regerror (excode, &preg, errbuf, MAX_INPUT_BUFFER); - printf ("Execute Error: %s\n", errbuf); + printf (_("Execute Error: %s\n"), errbuf); exit (STATE_CRITICAL); } else { iresult = STATE_CRITICAL; } #else - printf ("SNMP UNKNOWN: call for regex which was not a compiled option"); + printf (_("%s UNKNOWN: call for regex which was not a compiled option"), label); exit (STATE_UNKNOWN); #endif } - if (response && iresult == STATE_DEPENDENT) - iresult = STATE_OK; - else if (eval_method[i] & CRIT_PRESENT) - iresult = STATE_CRITICAL; - else - iresult = STATE_WARNING; + /* Process this block for existence-nonexistence checks */ + else { + if (eval_method[i] & CRIT_PRESENT) + iresult = STATE_CRITICAL; + else if (eval_method[i] & WARN_PRESENT) + iresult = STATE_WARNING; + else if (response && iresult == STATE_DEPENDENT) + iresult = STATE_OK; + } + /* Result is the worst outcome of all the OIDs tested */ result = max_state (result, iresult); - if (nlabels > 1 && i < nlabels && labels[i] != NULL) + /* Prepend a label for this OID if there is one */ + 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)); @@ -369,18 +308,19 @@ main (int argc, char **argv) asprintf (&outbuff, "%s%s%s%s%s", outbuff, (i == 0) ? " " : output_delim, mark (iresult), show, mark (iresult)); - if (nunits > 0 && i < nunits) + /* Append a unit string for this OID if there is one */ + if (nunits > (size_t)0 && (size_t)i < nunits && unitv[i] != NULL) asprintf (&outbuff, "%s %s", outbuff, unitv[i]); i++; - } /* end while */ + } /* end while (ptr) */ if (found == 0) - terminate - (STATE_UNKNOWN, - "%s problem - No data recieved from host\nCMD: %s\n", - label, command_line); + die (STATE_UNKNOWN, + _("%s problem - No data received from host\nCMD: %s\n"), + label, + command_line); /* WARNING if output found on stderr */ if (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) @@ -393,25 +333,26 @@ main (int argc, char **argv) if (spclose (child_process)) result = max_state (result, STATE_WARNING); - if (nunits > 0) - printf ("%s %s -%s %s\n", label, state_text (result), outbuff, units); - else - printf ("%s %s -%s\n", label, state_text (result), outbuff); +/* if (nunits == 1 || i == 1) */ +/* printf ("%s %s -%s %s\n", label, state_text (result), outbuff, units); */ +/* else */ + printf ("%s %s -%s\n", label, state_text (result), outbuff); return result; } + + /* process command-line arguments */ int process_arguments (int argc, char **argv) { char *ptr; int c = 1; - int j = 0, jj = 0; + int j = 0, jj = 0, ii = 0; -#ifdef HAVE_GETOPT_H - int option_index = 0; - static struct option long_options[] = { + int option = 0; + static struct option longopts[] = { STD_LONG_OPTS, {"community", required_argument, 0, 'C'}, {"oid", required_argument, 0, 'o'}, @@ -434,7 +375,6 @@ process_arguments (int argc, char **argv) {"privpasswd", required_argument, 0, 'X'}, {0, 0, 0, 0} }; -#endif if (argc < 2) return ERROR; @@ -450,57 +390,70 @@ process_arguments (int argc, char **argv) } while (1) { -#ifdef HAVE_GETOPT_H - c = - getopt_long (argc, argv, "hvVt:c:w:H:C:o:e:E:d:D:s:R:r:l:u:p:m:P:L:U:a:A:X:", - long_options, &option_index); -#else - c = getopt (argc, argv, "hvVt:c:w:H:C:o:e:E:d:D:s:R:r:l:u:p:m:P:L:U:a:A:X:"); -#endif + c = getopt_long (argc, argv, "hvVt:c:w:H:C:o:e:E:d:D:s:R:r:l:u:p:m:P:L:U:a:A:X:", + longopts, &option); if (c == -1 || c == EOF) break; switch (c) { case '?': /* usage */ - usage3 ("Unknown argument", optopt); + printf (_("%s: Unknown argument: %s\n\n"), progname, optarg); + print_usage (); + exit (STATE_UNKNOWN); case 'h': /* help */ print_help (); exit (STATE_OK); case 'V': /* version */ - print_revision (PROGNAME, REVISION); + print_revision (progname, revision); exit (STATE_OK); case 'v': /* verbose */ verbose = TRUE; break; - case 't': /* timeout period */ - if (!is_integer (optarg)) - usage2 ("Timeout Interval must be an integer", optarg); - timeout_interval = atoi (optarg); + + /* Connection info */ + case 'C': /* group or community */ + community = optarg; break; - case 'e': /* PRELIMINARY - may change */ - eval_method[j] |= WARN_PRESENT; - for (ptr = optarg; (ptr = index (ptr, ',')); ptr++) - ptr[0] = ' '; /* relpace comma with space */ - for (ptr = optarg; (ptr = index (ptr, ' ')); ptr++) - eval_method[++j] |= WARN_PRESENT; - asprintf (&oid, "%s %s", (oid?oid:""), optarg); + case 'H': /* Host or server */ + server_address = optarg; break; - case 'E': /* PRELIMINARY - may change */ - eval_method[j] |= WARN_PRESENT; - for (ptr = optarg; (ptr = index (ptr, ',')); ptr++) - ptr[0] = ' '; /* relpace comma with space */ - for (ptr = optarg; (ptr = index (ptr, ' ')); ptr++) - eval_method[++j] |= CRIT_PRESENT; - asprintf (&oid, "%s %s", (oid?oid:""), optarg); + case 'p': /* TCP port number */ + port = optarg; + break; + case 'm': /* List of MIBS */ + miblist = optarg; + break; + case 'P': /* SNMP protocol version */ + proto = optarg; + break; + case 'L': /* security level */ + seclevel = optarg; + break; + case 'U': /* security username */ + secname = optarg; + break; + case 'a': /* auth protocol */ + authproto = optarg; break; + case 'A': /* auth passwd */ + authpasswd = optarg; + break; + case 'X': /* priv passwd */ + privpasswd = optarg; + break; + case 't': /* timeout period */ + if (!is_integer (optarg)) + usage2 (_("Timeout interval must be a positive integer"), optarg); + else + timeout_interval = atoi (optarg); + break; + + /* Test parameters */ case 'c': /* critical time threshold */ - if (strspn (optarg, "0123456789:,") < strlen (optarg)) { - printf ("Invalid critical threshold: %s\n", optarg); - print_usage (); - exit (STATE_UNKNOWN); - } - for (ptr = optarg, jj = 0; ptr && jj < MAX_OIDS; jj++) { + if (strspn (optarg, "0123456789:,") < strlen (optarg)) + usage2 (_("Invalid critical threshold: %s\n"), optarg); + for (ptr = optarg; ptr && jj < MAX_OIDS; jj++) { if (lu_getll (&lower_crit_lim[jj], ptr) == 1) eval_method[jj] |= CRIT_LT; if (lu_getul (&upper_crit_lim[jj], ptr) == 1) @@ -509,42 +462,38 @@ process_arguments (int argc, char **argv) } break; case 'w': /* warning time threshold */ - if (strspn (optarg, "0123456789:,") < strlen (optarg)) { - printf ("Invalid warning threshold: %s\n", optarg); - print_usage (); - exit (STATE_UNKNOWN); - } - for (ptr = optarg, jj = 0; ptr && jj < MAX_OIDS; jj++) { - if (lu_getll (&lower_warn_lim[jj], ptr) == 1) - eval_method[jj] |= WARN_LT; - if (lu_getul (&upper_warn_lim[jj], ptr) == 1) - eval_method[jj] |= WARN_GT; + if (strspn (optarg, "0123456789:,") < strlen (optarg)) + usage2 (_("Invalid warning threshold: %s\n"), optarg); + for (ptr = optarg; ptr && ii < MAX_OIDS; ii++) { + if (lu_getll (&lower_warn_lim[ii], ptr) == 1) + eval_method[ii] |= WARN_LT; + if (lu_getul (&upper_warn_lim[ii], ptr) == 1) + eval_method[ii] |= WARN_GT; (ptr = index (ptr, ',')) ? ptr++ : ptr; } break; - case 'H': /* Host or server */ - server_address = strscpy (server_address, optarg); - break; - case 'C': /* group or community */ - community = strscpy (community, optarg); - break; case 'o': /* object identifier */ + case 'e': /* PRELIMINARY - may change */ + case 'E': /* PRELIMINARY - may change */ for (ptr = optarg; (ptr = index (ptr, ',')); ptr++) ptr[0] = ' '; /* relpace comma with space */ for (ptr = optarg; (ptr = index (ptr, ' ')); ptr++) j++; /* count OIDs */ asprintf (&oid, "%s %s", (oid?oid:""), optarg); - break; - case 'd': /* delimiter */ - delimiter = strscpy (delimiter, optarg); - break; - case 'D': /* output-delimiter */ - output_delim = strscpy (output_delim, optarg); + if (c == 'E' || c == 'e') { + jj++; + ii++; + } + if (c == 'E') + eval_method[j+1] |= WARN_PRESENT; + else if (c == 'e') + eval_method[j+1] |= CRIT_PRESENT; break; case 's': /* string or substring */ strncpy (string_value, optarg, sizeof (string_value) - 1); string_value[sizeof (string_value) - 1] = 0; eval_method[jj++] = CRIT_STRING; + ii++; break; case 'R': /* regex */ #ifdef HAVE_REGEX_H @@ -558,15 +507,24 @@ process_arguments (int argc, char **argv) errcode = regcomp (&preg, regex_expect, cflags); if (errcode != 0) { regerror (errcode, &preg, errbuf, MAX_INPUT_BUFFER); - printf ("Could Not Compile Regular Expression"); + printf (_("Could Not Compile Regular Expression")); return ERROR; } eval_method[jj++] = CRIT_REGEX; + ii++; #else - printf ("SNMP UNKNOWN: call for regex which was not a compiled option"); + printf (_("%s UNKNOWN: call for regex which was not a compiled option"), label); exit (STATE_UNKNOWN); #endif break; + + /* Format */ + case 'd': /* delimiter */ + delimiter = strscpy (delimiter, optarg); + break; + case 'D': /* output-delimiter */ + output_delim = strscpy (output_delim, optarg); + break; case 'l': /* label */ label = optarg; nlabels++; @@ -574,21 +532,20 @@ process_arguments (int argc, char **argv) labels_size += 8; labels = realloc (labels, labels_size); if (labels == NULL) - terminate (STATE_UNKNOWN, - "Could not realloc() labels[%d]", nlabels); + die (STATE_UNKNOWN, + _("Could not realloc() labels[%d]"), nlabels); } labels[nlabels - 1] = optarg; ptr = thisarg (optarg); + labels[nlabels - 1] = ptr; if (strstr (ptr, "'") == ptr) labels[nlabels - 1] = ptr + 1; - else - labels[nlabels - 1] = ptr; while (ptr && (ptr = nextarg (ptr))) { if (nlabels >= labels_size) { labels_size += 8; labels = realloc (labels, labels_size); if (labels == NULL) - terminate (STATE_UNKNOWN, "Could not realloc() labels\n"); + die (STATE_UNKNOWN, _("Could not realloc() labels\n")); } labels++; ptr = thisarg (ptr); @@ -605,21 +562,20 @@ process_arguments (int argc, char **argv) unitv_size += 8; unitv = realloc (unitv, unitv_size); if (unitv == NULL) - terminate (STATE_UNKNOWN, - "Could not realloc() units [%d]\n", nunits); + die (STATE_UNKNOWN, + _("Could not realloc() units [%d]\n"), nunits); } unitv[nunits - 1] = optarg; ptr = thisarg (optarg); + unitv[nunits - 1] = ptr; if (strstr (ptr, "'") == ptr) unitv[nunits - 1] = ptr + 1; - else - unitv[nunits - 1] = ptr; while (ptr && (ptr = nextarg (ptr))) { if (nunits >= unitv_size) { unitv_size += 8; unitv = realloc (unitv, unitv_size); if (units == NULL) - terminate (STATE_UNKNOWN, "Could not realloc() units\n"); + die (STATE_UNKNOWN, _("Could not realloc() units\n")); } nunits++; ptr = thisarg (ptr); @@ -629,40 +585,20 @@ process_arguments (int argc, char **argv) unitv[nunits - 1] = ptr; } break; - case 'p': /* TCP port number */ - port = strscpy(port, optarg); - break; - case 'm': /* List of MIBS */ - miblist = strscpy(miblist, optarg); - break; - case 'P': /* SNMP protocol version */ - proto = strscpy(proto, optarg); - break; - case 'L': /* security level */ - seclevel = strscpy(seclevel,optarg); - break; - case 'U': /* security username */ - secname = strscpy(secname, optarg); - break; - case 'a': /* auth protocol */ - authproto = strscpy(authproto, optarg); - break; - case 'A': /* auth passwd */ - authpasswd = strscpy(authpasswd, optarg); - break; - case 'X': /* priv passwd */ - privpasswd = strscpy(privpasswd, optarg); - break; } } if (server_address == NULL) - asprintf (&server_address, argv[optind]); + server_address = argv[optind]; + + if (community == NULL) + community = strdup (DEFAULT_COMMUNITY); return validate_arguments (); } + /****************************************************************************** @@- @@ -683,52 +619,24 @@ first character cannot be a number, however. -@@ ******************************************************************************/ + + int validate_arguments () { - if (community == NULL) - asprintf (&community, DEFAULT_COMMUNITY); - - if (delimiter == NULL) - asprintf (&delimiter, DEFAULT_DELIMITER); - - if (output_delim == NULL) - asprintf (&output_delim, DEFAULT_OUTPUT_DELIMITER); - - if (miblist == NULL) - asprintf (&miblist, DEFAULT_MIBLIST); - - if (label == NULL) - asprintf (&label, "SNMP"); - - if (units == NULL) - asprintf (&units, ""); - - if ( strcmp(seclevel, "noAuthNoPriv") && strcmp(seclevel, "authNoPriv") && strcmp(seclevel, "authPriv") ) { - if (seclevel == NULL) - asprintf (&seclevel, "noAuthNoPriv"); - else { - printf ("Invalid seclevel: %s! \n", seclevel); - print_usage (); - exit (STATE_UNKNOWN); - } - } - + /* Need better checks to verify seclevel and authproto choices */ + + if (seclevel == NULL) + asprintf (&seclevel, "noAuthNoPriv"); - if ( strcmp (authproto, "SHA") && strcmp(authproto, "MD5") ) { - if (authproto == NULL ) - asprintf(&authproto, DEFAULT_AUTH_PROTOCOL); - else{ - printf ("Invalid authproto: %s! \n", authproto); - print_usage (); - exit (STATE_UNKNOWN); - } - } + if (authproto == NULL ) + asprintf(&authproto, DEFAULT_AUTH_PROTOCOL); + - if (proto == NULL || !strcmp(proto,DEFAULT_PROTOCOL) ) { /* default protocol version */ + if (proto == NULL || (strcmp(proto,DEFAULT_PROTOCOL) == 0) ) { /* default protocol version */ asprintf(&proto, DEFAULT_PROTOCOL); asprintf(&authpriv, "%s%s", "-c ", community); } @@ -736,67 +644,37 @@ validate_arguments () asprintf(&proto, "%s", "3"); if ( (strcmp(seclevel, "noAuthNoPriv") == 0) || seclevel == NULL ) { - authpriv = ssprintf(authpriv, "%s", "-l noAuthNoPriv" ); + asprintf(&authpriv, "%s", "-l noAuthNoPriv" ); } else if ( strcmp(seclevel, "authNoPriv") == 0 ) { if ( secname == NULL || authpasswd == NULL) { - printf ("Missing secname (%s) or authpassword (%s) ! \n",secname, authpasswd ); + printf (_("Missing secname (%s) or authpassword (%s) ! \n)"),secname, authpasswd ); print_usage (); exit (STATE_UNKNOWN); } - authpriv = ssprintf(authpriv, "-l authNoPriv -a %s -u %s -A %s ", authproto, secname, authpasswd); + asprintf(&authpriv, "-l authNoPriv -a %s -u %s -A %s ", authproto, secname, authpasswd); } else if ( strcmp(seclevel, "authPriv") == 0 ) { if ( secname == NULL || authpasswd == NULL || privpasswd == NULL ) { - printf ("Missing secname (%s), authpassword (%s), or privpasswd (%s)! \n",secname, authpasswd,privpasswd ); + printf (("Missing secname (%s), authpassword (%s), or privpasswd (%s)! \n"),secname, authpasswd,privpasswd ); print_usage (); exit (STATE_UNKNOWN); } - authpriv = ssprintf(authpriv, "-l authPriv -a %s -u %s -A %s -X %s ", authproto, secname, authpasswd, privpasswd); + asprintf(&authpriv, "-l authPriv -a %s -u %s -A %s -x DES -X %s ", authproto, secname, authpasswd, privpasswd); } - } else { - printf ("Invalid SNMP version: %s\n", proto); + printf (_("Invalid SNMP version: %s\n"), proto); print_usage (); exit (STATE_UNKNOWN); } - - - return OK; } -void -print_help (void) -{ - print_revision (PROGNAME, REVISION); - printf - ("Copyright (c) %s %s <%s>\n\n%s\n", - COPYRIGHT, AUTHOR, EMAIL, SUMMARY); - print_usage (); - printf - ("\nOptions:\n" LONGOPTIONS "\n" DESCRIPTION "\n" NOTES "\n", - DEFAULT_COMMUNITY, DEFAULT_PORT, DEFAULT_DELIMITER, DEFAULT_TIMEOUT); - support (); -} - -void -print_usage (void) -{ - printf - ("Usage:\n" " %s %s\n" - " %s (-h | --help) for detailed help\n" - " %s (-V | --version) for version information\n", - PROGNAME, OPTIONS, PROGNAME, PROGNAME); -} - - - char * clarify_message (char *msg) { @@ -833,6 +711,7 @@ clarify_message (char *msg) } + int check_num (int i) { @@ -856,7 +735,7 @@ check_num (int i) } if (eval_method[i] & CRIT_GT && eval_method[i] & CRIT_LT && - lower_warn_lim[i] > upper_warn_lim[i]) { + lower_crit_lim[i] > upper_crit_lim[i]) { if (response_value[i] <= lower_crit_lim[i] && response_value[i] >= upper_crit_lim[i]) { result = STATE_CRITICAL; @@ -876,6 +755,7 @@ check_num (int i) } + int lu_getll (unsigned long *ll, char *str) { @@ -889,6 +769,8 @@ lu_getll (unsigned long *ll, char *str) return 0; } + + int lu_getul (unsigned long *ul, char *str) { @@ -904,9 +786,6 @@ lu_getul (unsigned long *ul, char *str) - - - /* trim leading whitespace if there is a leading quote, make sure it balances */ @@ -916,12 +795,13 @@ thisarg (char *str) str += strspn (str, " \t\r\n"); /* trim any leading whitespace */ if (strstr (str, "'") == str) { /* handle SIMPLE quoted strings */ if (strlen (str) == 1 || !strstr (str + 1, "'")) - terminate (STATE_UNKNOWN, "Unbalanced quotes\n"); + die (STATE_UNKNOWN, "Unbalanced quotes\n"); } return str; } + /* if there's a leading quote, advance to the trailing quote set the trailing quote to '\x0' if the string continues, advance beyond the comma */ @@ -930,23 +810,21 @@ char * nextarg (char *str) { if (strstr (str, "'") == str) { + str[0] = 0; if (strlen (str) > 1) { str = strstr (str + 1, "'"); - str[0] = 0; return (++str); } else { - str[0] = 0; return NULL; } } if (strstr (str, ",") == str) { + str[0] = 0; if (strlen (str) > 1) { - str[0] = 0; return (++str); } else { - str[0] = 0; return NULL; } } @@ -956,3 +834,126 @@ nextarg (char *str) } return NULL; } + + + +void +print_help (void) +{ + print_revision (progname, revision); + + printf (_(COPYRIGHT), copyright, email); + + printf (_("\ +Check status of remote machines and obtain sustem information via SNMP\n\n")); + + print_usage (); + + printf (_(UT_HELP_VRSN)); + + printf (_(UT_HOST_PORT), 'p', DEFAULT_PORT); + + /* SNMP and Authentication Protocol */ + printf (_("\ + -P, --protocol=[1|3]\n\ + SNMP protocol version\n\ + -L, --seclevel=[noAuthNoPriv|authNoPriv|authPriv]\n\ + SNMPv3 securityLevel\n\ + -a, --authproto=[MD5|SHA]\n\ + SNMPv3 auth proto\n")); + + /* Authentication Tokens*/ + printf (_("\ + -C, --community=STRING\n\ + Optional community string for SNMP communication\n\ + (default is \"%s\")\n\ + -U, --secname=USERNAME\n\ + SNMPv3 username\n\ + -A, --authpassword=PASSWORD\n\ + SNMPv3 authentication password\n\ + -X, --privpasswd=PASSWORD\n\ + SNMPv3 crypt passwd (DES)\n"), DEFAULT_COMMUNITY); + + /* OID Stuff */ + printf (_("\ + -o, --oid=OID(s)\n\ + Object identifier(s) whose value you wish to query\n\ + -m, --miblist=STRING\n\ + List of MIBS to be loaded (default = ALL)\n -d, --delimiter=STRING\n\ + Delimiter to use when parsing returned data. Default is \"%s\"\n\ + Any data on the right hand side of the delimiter is considered\n\ + to be the data that should be used in the evaluation.\n"), DEFAULT_DELIMITER); + + /* Tests Against Integers */ + printf (_("\ + -w, --warning=INTEGER_RANGE(s)\n\ + Range(s) which will not result in a WARNING status\n\ + -c, --critical=INTEGER_RANGE(s)\n\ + Range(s) which will not result in a CRITICAL status\n")); + + /* Tests Against Strings */ + printf (_("\ + -s, --string=STRING\n\ + Return OK state (for that OID) if STRING is an exact match\n\ + -r, --ereg=REGEX\n\ + Return OK state (for that OID) if extended regular expression REGEX matches\n\ + -R, --eregi=REGEX\n\ + Return OK state (for that OID) if case-insensitive extended REGEX matches\n\ + -l, --label=STRING\n\ + Prefix label for output from plugin (default -s 'SNMP')\n")); + + /* Output Formatting */ + printf (_("\ + -u, --units=STRING\n\ + Units label(s) for output data (e.g., 'sec.').\n\ + -D, --output-delimiter=STRING\n\ + Separates output on multiple OID requests\n")); + + printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT); + + printf (_(UT_VERBOSE)); + + printf (_("\n\ +- This plugin uses the 'snmpget' command included with the NET-SNMP package.\n\ + If you don't have the package installed, you will need to download it from\n\ + http://net-snmp.sourceforge.net before you can use this plugin.\n")); + + printf (_("\ +- Multiple OIDs may be indicated by a comma- or space-delimited list (lists with\n\ + internal spaces must be quoted) [max 8 OIDs]\n")); + + printf (_("\ +- Ranges are inclusive and are indicated with colons. When specified as\n\ + 'min:max' a STATE_OK will be returned if the result is within the indicated\n\ + range or is equal to the upper or lower bound. A non-OK state will be\n\ + returned if the result is outside the specified range.\n")); + + printf (_("\ +- If specified in the order 'max:min' a non-OK state will be returned if the\n\ + result is within the (inclusive) range.\n")); + + printf (_("\ +- Upper or lower bounds may be omitted to skip checking the respective limit.\n\ +- Bare integers are interpreted as upper limits.\n\ +- When checking multiple OIDs, separate ranges by commas like '-w 1:10,1:,:20'\n\ +- Note that only one string and one regex may be checked at present\n\ +- All evaluation methods other than PR, STR, and SUBSTR expect that the value\n\ + returned from the SNMP query is an unsigned integer.\n")); + + printf (_(UT_SUPPORT)); +} + + + +void +print_usage (void) +{ + printf (_("\ +Usage: %s -H -o [-w warn_range] [-c crit_range] \n\ + [-C community] [-s string] [-r regex] [-R regexi] [-t timeout]\n\ + [-l label] [-u units] [-p port-number] [-d delimiter]\n\ + [-D output-delimiter] [-m miblist] [-P snmp version]\n\ + [-L seclevel] [-U secname] [-a authproto] [-A authpasswd]\n\ + [-X privpasswd]\n"), progname); + printf (_(UT_HLP_VRS), progname, progname); +}