Configuration file parsing for rrdbotd.

1 files changed, 111 insertions, 0 deletions

diff --git a/src/snmp-help.c b/src/snmp-help.c
new file mode 100644
index 0000000..cf13d40
--- /dev/null
+++ b/src/snmp-help.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2005, Nate Nielsen
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *     * Redistributions of source code must retain the above
+ *       copyright notice, this list of conditions and the
+ *       following disclaimer.
+ *     * Redistributions in binary form must reproduce the
+ *       above copyright notice, this list of conditions and
+ *       the following disclaimer in the documentation and/or
+ *       other materials provided with the distribution.
+ *     * The names of contributors to this software may not be
+ *       used to endorse or promote products derived from this
+ *       software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ *
+ * CONTRIBUTORS
+ *  Nate Nielsen <nielsen@memberwebs.com>
+ *
+ */
+
+#include "usuals.h"
+#include <errno.h>
+#include <syslog.h>
+
+#include <bsnmp/asn1.h>
+#include <bsnmp/snmp.h>
+
+#include "stringx.h"
+#include "rrdbotd.h"
+
+static int
+parse_numeric_mib(const char* mib, struct asn_oid* oid)
+{
+    int ret = 0;
+    unsigned int sub;
+    char* next;
+    char* t;
+    char* copy;
+    char* src;
+
+    memset(oid, 0, sizeof(*oid));
+
+    copy = src = strdup(mib);
+    if(!src)
+        return -1;
+
+    while(src && *src)
+    {
+        next = strchr(src, '.');
+        if(next)
+            *next = 0;
+
+        sub = strtoul(src, &t, 10);
+
+        /* Too many parts */
+        if(oid->len > ASN_MAXOIDLEN)
+            ret = -1;
+
+        /* An invalid number */
+        if(*t)
+            ret = -1;
+
+        /* Make sure this is a valid part */
+        if((oid->len == 0 && sub < 1) || sub < 0 || sub >= ASN_MAXID)
+            ret -1;
+
+        if(ret < 0)
+            break;
+
+        oid->subs[oid->len] = sub;
+        oid->len++;
+
+        src = next ? next + 1 : NULL;
+    }
+
+    free(copy);
+    return ret;
+}
+
+int
+rb_parse_mib(const char* mib, struct snmp_value* value)
+{
+    /*
+     * TODO: Eventually we'll have code here to parse symbolic
+     * names, and initialize snmp_value to the right type and
+     * all that jazz. For now we just have numeric OID support.
+     */
+
+    value->syntax = SNMP_SYNTAX_NULL;
+    memset(&(value->v), 0, sizeof(value->v));
+
+    return parse_numeric_mib(mib, &(value->var));
+}