/****************************************************************************** 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. $Id: check_snmp.c,v 1.57 2005/06/01 19:41:01 sghosh Exp $ ******************************************************************************/ const char *progname = "check_snmp"; const char *revision = "$Revision: 1.57 $"; const char *copyright = "1999-2004"; 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_MIBLIST "ALL" #define DEFAULT_PROTOCOL "1" #define DEFAULT_TIMEOUT 1 #define DEFAULT_RETRIES 5 #define DEFAULT_AUTH_PROTOCOL "MD5" #define DEFAULT_DELIMITER "=" #define DEFAULT_OUTPUT_DELIMITER " " #define mark(a) ((a)!=0?"*":"") #define CHECK_UNDEF 0 #define CRIT_PRESENT 1 #define CRIT_STRING 2 #define CRIT_REGEX 4 #define CRIT_GT 8 #define CRIT_LT 16 #define CRIT_GE 32 #define CRIT_LE 64 #define CRIT_EQ 128 #define CRIT_NE 256 #define CRIT_RANGE 512 #define WARN_PRESENT 1024 #define WARN_STRING 2048 #define WARN_REGEX 4096 #define WARN_GT 8192 #define WARN_LT 16384 #define WARN_GE 32768 #define WARN_LE 65536 #define WARN_EQ 131072 #define WARN_NE 262144 #define WARN_RANGE 524288 #define MAX_OIDS 8 #define MAX_DELIM_LENGTH 8 int process_arguments (int, char **); int validate_arguments (void); 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 char regex_expect[MAX_INPUT_BUFFER] = ""; regex_t preg; regmatch_t pmatch[10]; char timestamp[10] = ""; char errbuf[MAX_INPUT_BUFFER]; char perfstr[MAX_INPUT_BUFFER]; int cflags = REG_EXTENDED | REG_NOSUB | REG_NEWLINE; int eflags = 0; int errcode, excode; #endif char *server_address = NULL; char *community = NULL; char *authpriv = NULL; char *proto = NULL; char *seclevel = NULL; char *secname = NULL; char *authproto = NULL; char *authpasswd = NULL; char *privpasswd = NULL; char *oid; char *label; char *units; char *port; char string_value[MAX_INPUT_BUFFER] = ""; char **labels = NULL; char **unitv = NULL; size_t nlabels = 0; size_t labels_size = 8; size_t nunits = 0; size_t unitv_size = 8; int verbose = FALSE; int usesnmpgetnext = FALSE; unsigned long lower_warn_lim[MAX_OIDS]; unsigned long upper_warn_lim[MAX_OIDS]; unsigned long lower_crit_lim[MAX_OIDS]; unsigned long upper_crit_lim[MAX_OIDS]; unsigned long response_value[MAX_OIDS]; int check_warning_value = FALSE; int check_critical_value = FALSE; int retries = 0; unsigned long eval_method[MAX_OIDS]; char *delimiter; char *output_delim; char *miblist = NULL; int needmibs = FALSE; int main (int argc, char **argv) { int i = 0; int iresult = STATE_UNKNOWN; int found = 0; int result = STATE_DEPENDENT; char input_buffer[MAX_INPUT_BUFFER]; char *command_line = NULL; char *response = NULL; char *outbuff; char *output; char *ptr = NULL; char *p2 = NULL; char *show = NULL; char type[8]; 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 (" = "); output_delim = strdup (DEFAULT_OUTPUT_DELIMITER); /* miblist = strdup (DEFAULT_MIBLIST); */ timeout_interval = DEFAULT_TIMEOUT; retries = DEFAULT_RETRIES; if (process_arguments (argc, argv) == ERROR) usage4 (_("Could not parse arguments")); /* create the command line to execute */ if(usesnmpgetnext == TRUE) { asprintf(&command_line, "%s -t %d -r %d -m %s -v %s %s %s:%s %s", PATH_TO_SNMPGETNEXT, timeout_interval, retries, miblist, proto, authpriv, server_address, port, oid); }else{ asprintf (&command_line, "%s -t %d -r %d -m %s -v %s %s %s:%s %s", PATH_TO_SNMPGET, timeout_interval, retries, 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); 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); } while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) asprintf (&output, "%s%s", output, input_buffer); if (verbose) printf ("%s\n", output); ptr = output; strcat(perfstr, "| "); while (ptr) { char *foo; foo = strstr (ptr, delimiter); strncat(perfstr, ptr, foo-ptr); ptr = foo; if (ptr == NULL) break; ptr += strlen (delimiter); ptr += strspn (ptr, " "); found++; if (ptr[0] == '"') { ptr++; response = strpcpy (response, ptr, "\""); ptr = strpbrk (ptr, "\""); ptr += strspn (ptr, "\"\n"); } else { response = strpcpy (response, ptr, "\n"); ptr = strpbrk (ptr, "\n"); ptr += strspn (ptr, "\n"); while (strstr (ptr, delimiter) && strstr (ptr, "\n") && strstr (ptr, "\n") < strstr (ptr, delimiter)) { response = strpcat (response, ptr, "\n"); ptr = strpbrk (ptr, "\n"); } if (ptr && strstr (ptr, delimiter) == NULL) { 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; strcpy(type, "c"); } 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; /* 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) { 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]); } /* Process this block for string matching */ else if (eval_method[i] & CRIT_STRING) { if (strcmp (show, string_value)) iresult = STATE_CRITICAL; else 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); if (excode == 0) { iresult = STATE_OK; } else if (excode != REG_NOMATCH) { regerror (excode, &preg, errbuf, MAX_INPUT_BUFFER); printf (_("Execute Error: %s\n"), errbuf); exit (STATE_CRITICAL); } else { iresult = STATE_CRITICAL; } #else printf (_("Call for regex which was not a compiled option")); exit (STATE_UNKNOWN); #endif } /* 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); /* 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)); else asprintf (&outbuff, "%s%s%s%s%s", outbuff, (i == 0) ? " " : output_delim, mark (iresult), show, mark (iresult)); /* 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++; char *str[MAX_INPUT_BUFFER]; asprintf(str, "=%s%s;;;; ", show, type ? type : ""); strcat(perfstr, *str); } /* end while (ptr) */ if (found == 0) 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)) result = max_state (result, STATE_WARNING); /* close stderr */ (void) fclose (child_stderr); /* close the pipe */ if (spclose (child_process)) result = max_state (result, STATE_WARNING); /* if (nunits == 1 || i == 1) */ /* printf ("%s %s -%s %s\n", label, state_text (result), outbuff, units); */ /* else */ printf ("%s %s -%s %s \n", label, state_text (result), outbuff, perfstr); return result; } /* process command-line arguments */ int process_arguments (int argc, char **argv) { char *ptr; int c = 1; int j = 0, jj = 0, ii = 0; int option = 0; static struct option longopts[] = { STD_LONG_OPTS, {"community", required_argument, 0, 'C'}, {"oid", required_argument, 0, 'o'}, {"object", required_argument, 0, 'o'}, {"delimiter", required_argument, 0, 'd'}, {"output-delimiter", required_argument, 0, 'D'}, {"string", required_argument, 0, 's'}, {"timeout", required_argument, 0, 't'}, {"regex", required_argument, 0, 'r'}, {"ereg", required_argument, 0, 'r'}, {"eregi", required_argument, 0, 'R'}, {"label", required_argument, 0, 'l'}, {"units", required_argument, 0, 'u'}, {"port", required_argument, 0, 'p'}, {"retries", required_argument, 0, 'e'}, {"miblist", required_argument, 0, 'm'}, {"protocol", required_argument, 0, 'P'}, {"seclevel", required_argument, 0, 'L'}, {"secname", required_argument, 0, 'U'}, {"authproto", required_argument, 0, 'a'}, {"authpasswd", required_argument, 0, 'A'}, {"privpasswd", required_argument, 0, 'X'}, {"next", no_argument, 0, 'n'}, {0, 0, 0, 0} }; if (argc < 2) return ERROR; /* reverse compatibility for very old non-POSIX usage forms */ for (c = 1; c < argc; c++) { if (strcmp ("-to", argv[c]) == 0) strcpy (argv[c], "-t"); if (strcmp ("-wv", argv[c]) == 0) strcpy (argv[c], "-w"); if (strcmp ("-cv", argv[c]) == 0) strcpy (argv[c], "-c"); } while (1) { c = getopt_long (argc, argv, "nhvVt:c:w:H:C:o:e:E:d:D:s:t:R:r:l:u:p:m:P:L:U:a:A:X:", longopts, &option); if (c == -1 || c == EOF) break; switch (c) { case '?': /* usage */ usage2 (_("Unknown argument"), optarg); case 'h': /* help */ print_help (); exit (STATE_OK); case 'V': /* version */ print_revision (progname, revision); exit (STATE_OK); case 'v': /* verbose */ verbose = TRUE; break; /* Connection info */ case 'C': /* group or community */ community = optarg; break; case 'H': /* Host or server */ server_address = optarg; break; case 'p': /* TCP port number */ port = optarg; break; case 'm': /* List of MIBS */ miblist = optarg; break; case 'n': /* usesnmpgetnext */ usesnmpgetnext = TRUE; 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)) 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) eval_method[jj] |= CRIT_GT; (ptr = index (ptr, ',')) ? ptr++ : ptr; } break; case 'w': /* warning time threshold */ 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 'e': /* PRELIMINARY - may change */ case 'E': /* PRELIMINARY - may change */ if (!is_integer (optarg)) usage2 (_("Retries interval must be a positive integer"), optarg); else retries = atoi(optarg); break; case 'o': /* object identifier */ if ( strspn( optarg, "0123456789." ) != strlen( optarg ) ) { /* * we have something other than digits and periods, so we * have a mib variable, rather than just an SNMP OID, so * we have to actually read the mib files */ needmibs = TRUE; } 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); 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 cflags = REG_ICASE; #endif case 'r': /* regex */ #ifdef HAVE_REGEX_H cflags |= REG_EXTENDED | REG_NOSUB | REG_NEWLINE; strncpy (regex_expect, optarg, sizeof (regex_expect) - 1); regex_expect[sizeof (regex_expect) - 1] = 0; errcode = regcomp (&preg, regex_expect, cflags); if (errcode != 0) { regerror (errcode, &preg, errbuf, MAX_INPUT_BUFFER); printf (_("Could Not Compile Regular Expression")); return ERROR; } eval_method[jj++] = CRIT_REGEX; ii++; #else printf (_("call for regex which was not a compiled option")); 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++; if (nlabels >= labels_size) { labels_size += 8; labels = realloc (labels, labels_size); if (labels == NULL) die (STATE_UNKNOWN, _("Could not reallocate labels[%d]"), nlabels); } labels[nlabels - 1] = optarg; ptr = thisarg (optarg); labels[nlabels - 1] = ptr; if (strstr (ptr, "'") == ptr) labels[nlabels - 1] = ptr + 1; while (ptr && (ptr = nextarg (ptr))) { if (nlabels >= labels_size) { labels_size += 8; labels = realloc (labels, labels_size); if (labels == NULL) die (STATE_UNKNOWN, _("Could not reallocate labels\n")); } labels++; ptr = thisarg (ptr); if (strstr (ptr, "'") == ptr) labels[nlabels - 1] = ptr + 1; else labels[nlabels - 1] = ptr; } break; case 'u': /* units */ units = optarg; nunits++; if (nunits >= unitv_size) { unitv_size += 8; unitv = realloc (unitv, unitv_size); if (unitv == NULL) die (STATE_UNKNOWN, _("Could not reallocate units [%d]\n"), nunits); } unitv[nunits - 1] = optarg; ptr = thisarg (optarg); unitv[nunits - 1] = ptr; if (strstr (ptr, "'") == ptr) unitv[nunits - 1] = ptr + 1; while (ptr && (ptr = nextarg (ptr))) { if (nunits >= unitv_size) { unitv_size += 8; unitv = realloc (unitv, unitv_size); if (units == NULL) die (STATE_UNKNOWN, _("Could not realloc() units\n")); } nunits++; ptr = thisarg (ptr); if (strstr (ptr, "'") == ptr) unitv[nunits - 1] = ptr + 1; else unitv[nunits - 1] = ptr; } break; } } if (server_address == NULL) server_address = argv[optind]; if (community == NULL) community = strdup (DEFAULT_COMMUNITY); return validate_arguments (); } /****************************************************************************** @@- validate_arguments &PROTO_validate_arguments; Checks to see if the default miblist needs to be loaded. Also verifies the authentication and authorization combinations based on protocol version selected. -@@ ******************************************************************************/ int validate_arguments () { /* check whether to load locally installed MIBS (CPU/disk intensive) */ if (miblist == NULL) { if ( needmibs == TRUE ) { miblist = strdup (DEFAULT_MIBLIST); }else{ miblist = "''"; /* don't read any mib files for numeric oids */ } } /* Need better checks to verify seclevel and authproto choices */ if (seclevel == NULL) asprintf (&seclevel, "noAuthNoPriv"); if (authproto == NULL ) asprintf(&authproto, DEFAULT_AUTH_PROTOCOL); if (proto == NULL || (strcmp(proto,DEFAULT_PROTOCOL) == 0) ) { /* default protocol version */ asprintf(&proto, DEFAULT_PROTOCOL); asprintf(&authpriv, "%s%s", "-c ", community); } else if ( strcmp (proto, "2c") == 0 ) { /* snmpv2c args */ asprintf(&authpriv, "%s%s", "-c ", community); } else if ( strcmp (proto, "3") == 0 ) { /* snmpv3 args */ asprintf(&proto, "%s", "3"); if ( (strcmp(seclevel, "noAuthNoPriv") == 0) || seclevel == NULL ) { 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 ); print_usage (); exit (STATE_UNKNOWN); } 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 ); print_usage (); exit (STATE_UNKNOWN); } asprintf(&authpriv, "-l authPriv -a %s -u %s -A %s -x DES -X %s ", authproto, secname, authpasswd, privpasswd); } } else { usage2 (_("Invalid SNMP version"), proto); } return OK; } char * clarify_message (char *msg) { int i = 0; int foo; char tmpmsg_c[MAX_INPUT_BUFFER]; char *tmpmsg = (char *) &tmpmsg_c; tmpmsg = strcpy (tmpmsg, msg); if (!strncmp (tmpmsg, " Hex:", 5)) { tmpmsg = strtok (tmpmsg, ":"); while ((tmpmsg = strtok (NULL, " "))) { foo = strtol (tmpmsg, NULL, 16); /* Translate chars that are not the same value in the printers * character set. */ switch (foo) { case 208: { foo = 197; break; } case 216: { foo = 196; break; } } msg[i] = foo; i++; } msg[i] = 0; } return (msg); } int check_num (int i) { int result; result = STATE_OK; if (eval_method[i] & WARN_GT && eval_method[i] & WARN_LT && lower_warn_lim[i] > upper_warn_lim[i]) { if (response_value[i] <= lower_warn_lim[i] && response_value[i] >= upper_warn_lim[i]) { result = STATE_WARNING; } } else if ((eval_method[i] & WARN_GT && response_value[i] > upper_warn_lim[i]) || (eval_method[i] & WARN_GE && response_value[i] >= upper_warn_lim[i]) || (eval_method[i] & WARN_LT && response_value[i] < lower_warn_lim[i]) || (eval_method[i] & WARN_LE && response_value[i] <= lower_warn_lim[i]) || (eval_method[i] & WARN_EQ && response_value[i] == upper_warn_lim[i]) || (eval_method[i] & WARN_NE && response_value[i] != upper_warn_lim[i])) { result = STATE_WARNING; } if (eval_method[i] & CRIT_GT && eval_method[i] & CRIT_LT && 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; } } else if ((eval_method[i] & CRIT_GT && response_value[i] > upper_crit_lim[i]) || (eval_method[i] & CRIT_GE && response_value[i] >= upper_crit_lim[i]) || (eval_method[i] & CRIT_LT && response_value[i] < lower_crit_lim[i]) || (eval_method[i] & CRIT_LE && response_value[i] <= lower_crit_lim[i]) || (eval_method[i] & CRIT_EQ && response_value[i] == upper_crit_lim[i]) || (eval_method[i] & CRIT_NE && response_value[i] != upper_crit_lim[i])) { result = STATE_CRITICAL; } return result; } int lu_getll (unsigned long *ll, char *str) { char tmp[100]; if (strchr (str, ':') == NULL) return 0; if (strchr (str, ',') != NULL && (strchr (str, ',') < strchr (str, ':'))) return 0; if (sscanf (str, "%lu%[:]", ll, tmp) == 2) return 1; return 0; } int lu_getul (unsigned long *ul, char *str) { char tmp[100]; if (sscanf (str, "%lu%[^,]", ul, tmp) == 1) return 1; if (sscanf (str, ":%lu%[^,]", ul, tmp) == 1) return 1; if (sscanf (str, "%*u:%lu%[^,]", ul, tmp) == 1) return 1; return 0; } /* trim leading whitespace if there is a leading quote, make sure it balances */ char * 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, "'")) 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 */ char * nextarg (char *str) { if (strstr (str, "'") == str) { str[0] = 0; if (strlen (str) > 1) { str = strstr (str + 1, "'"); return (++str); } else { return NULL; } } if (strstr (str, ",") == str) { str[0] = 0; if (strlen (str) > 1) { return (++str); } else { return NULL; } } if ((str = strstr (str, ",")) && strlen (str) > 1) { str[0] = 0; return (++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 (_("\ -n, --next\n\ Use SNMP GETNEXT instead of SNMP GET\n\ -P, --protocol=[1|2c|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) or SNMP variables whose value you wish to query\n\ -m, --miblist=STRING\n\ List of MIBS to be loaded (default = none if using numeric oids or 'ALL'\n\ for symbolic oids.)\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]\n\ [-t timeout] [-e retries]\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); }