and added files
[bcm963xx.git] / userapps / opensource / net-snmp / apps / snmpgetnext.c
diff --git a/userapps/opensource/net-snmp/apps/snmpgetnext.c b/userapps/opensource/net-snmp/apps/snmpgetnext.c
new file mode 100644 (file)
index 0000000..5502523
--- /dev/null
@@ -0,0 +1,234 @@
+/*
+ * snmpgetnext.c - send snmp GETNEXT requests to a network entity.
+ *
+ */
+/***********************************************************************
+       Copyright 1988, 1989, 1991, 1992 by Carnegie Mellon University
+
+                      All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of CMU not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+CMU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+CMU BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+******************************************************************/
+#include <net-snmp/net-snmp-config.h>
+
+#if HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if HAVE_STRING_H
+#include <string.h>
+#else
+#include <strings.h>
+#endif
+#include <sys/types.h>
+#if HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#include <stdio.h>
+#include <ctype.h>
+#if TIME_WITH_SYS_TIME
+# ifdef WIN32
+#  include <sys/timeb.h>
+# else
+#  include <sys/time.h>
+# endif
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+#  include <sys/time.h>
+# else
+#  include <time.h>
+# endif
+#endif
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#if HAVE_WINSOCK_H
+#include <winsock.h>
+#endif
+#if HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#if HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#include <net-snmp/net-snmp-includes.h>
+
+#define NETSNMP_DS_APP_DONT_FIX_PDUS 0
+
+static void
+optProc(int argc, char *const *argv, int opt)
+{
+    switch (opt) {
+    case 'C':
+        while (*optarg) {
+            switch (*optarg++) {
+            case 'f':
+                netsnmp_ds_toggle_boolean(NETSNMP_DS_APPLICATION_ID, 
+                                         NETSNMP_DS_APP_DONT_FIX_PDUS);
+                break;
+            default:
+                fprintf(stderr, "Unknown flag passed to -C: %c\n",
+                        optarg[-1]);
+                exit(1);
+            }
+        }
+        break;
+    }
+}
+
+void
+usage(void)
+{
+    fprintf(stderr, "USAGE: snmpgetnext ");
+    snmp_parse_args_usage(stderr);
+    fprintf(stderr, " OID [OID]...\n\n");
+    snmp_parse_args_descriptions(stderr);
+    fprintf(stderr,
+            "  -C APPOPTS\t\tSet various application specific behaviours:\n");
+    fprintf(stderr,
+            "\t\t\t  f:  do not fix errors and retry the request\n");
+}
+
+int
+main(int argc, char *argv[])
+{
+    netsnmp_session session, *ss;
+    netsnmp_pdu    *pdu, *response;
+    netsnmp_variable_list *vars;
+    int             arg;
+    int             count;
+    int             current_name = 0;
+    char           *names[128];
+    oid             name[MAX_OID_LEN];
+    size_t          name_length;
+    int             status;
+    int             failures = 0;
+    int             exitval = 0;
+
+    /*
+     * get the common command line arguments 
+     */
+    switch (arg = snmp_parse_args(argc, argv, &session, "C:", &optProc)) {
+    case -2:
+        exit(0);
+    case -1:
+        usage();
+        exit(1);
+    default:
+        break;
+    }
+
+    if (arg >= argc) {
+        fprintf(stderr, "Missing object name\n");
+        usage();
+        exit(1);
+    }
+
+    /*
+     * get the object names 
+     */
+    for (; arg < argc; arg++)
+        names[current_name++] = argv[arg];
+
+    SOCK_STARTUP;
+
+    /*
+     * open an SNMP session 
+     */
+    ss = snmp_open(&session);
+    if (ss == NULL) {
+        /*
+         * diagnose snmp_open errors with the input netsnmp_session pointer 
+         */
+        snmp_sess_perror("snmpgetnext", &session);
+        SOCK_CLEANUP;
+        exit(1);
+    }
+
+    /*
+     * create PDU for GET request and add object names to request 
+     */
+    pdu = snmp_pdu_create(SNMP_MSG_GETNEXT);
+
+    for (count = 0; count < current_name; count++) {
+        name_length = MAX_OID_LEN;
+        if (snmp_parse_oid(names[count], name, &name_length) == NULL) {
+            snmp_perror(names[count]);
+            failures++;
+        } else
+            snmp_add_null_var(pdu, name, name_length);
+    }
+    if (failures) {
+        SOCK_CLEANUP;
+        exit(1);
+    }
+
+    /*
+     * do the request 
+     */
+  retry:
+    status = snmp_synch_response(ss, pdu, &response);
+    if (status == STAT_SUCCESS) {
+        if (response->errstat == SNMP_ERR_NOERROR) {
+            for (vars = response->variables; vars;
+                 vars = vars->next_variable)
+                print_variable(vars->name, vars->name_length, vars);
+        } else {
+            fprintf(stderr, "Error in packet.\nReason: %s\n",
+                    snmp_errstring(response->errstat));
+            if (response->errindex != 0) {
+                fprintf(stderr, "Failed object: ");
+                for (count = 1, vars = response->variables;
+                     vars && count != response->errindex;
+                     vars = vars->next_variable, count++);
+                if (vars)
+                    fprint_objid(stderr, vars->name, vars->name_length);
+                fprintf(stderr, "\n");
+                exitval = 2;
+            }
+
+            /*
+             * retry if the errored variable was successfully removed 
+             */
+            if (!netsnmp_ds_get_boolean(NETSNMP_DS_APPLICATION_ID, 
+                                       NETSNMP_DS_APP_DONT_FIX_PDUS)) {
+                pdu = snmp_fix_pdu(response, SNMP_MSG_GETNEXT);
+                snmp_free_pdu(response);
+                response = NULL;
+                if (pdu != NULL)
+                    goto retry;
+            }
+        }
+    } else if (status == STAT_TIMEOUT) {
+        fprintf(stderr, "Timeout: No Response from %s.\n",
+                session.peername);
+        exitval = 1;
+    } else {                    /* status == STAT_ERROR */
+        snmp_sess_perror("snmpgetnext", ss);
+        exitval = 1;
+    }
+
+    if (response)
+        snmp_free_pdu(response);
+    snmp_close(ss);
+    SOCK_CLEANUP;
+    return exitval;
+}