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authorZeev Suraski <zeev@php.net>1999-04-07 21:05:13 +0000
committerZeev Suraski <zeev@php.net>1999-04-07 21:05:13 +0000
commitaceaabceffd537a0ed83fa25e189b08eae585f4a (patch)
treebcef55f16a2ae57c1c883b34347f9e6906ca6dfe /ext/snmp
parentd94f3e22ae6fe17d82b189dc362e975a906f919a (diff)
downloadphp-git-aceaabceffd537a0ed83fa25e189b08eae585f4a.tar.gz
PHP 4.0
Diffstat (limited to 'ext/snmp')
-rw-r--r--ext/snmp/winsnmp.c228
1 files changed, 228 insertions, 0 deletions
diff --git a/ext/snmp/winsnmp.c b/ext/snmp/winsnmp.c
new file mode 100644
index 0000000000..38042f9e6c
--- /dev/null
+++ b/ext/snmp/winsnmp.c
@@ -0,0 +1,228 @@
+/*
+Created from the snmputil sample in the Microsoft SDK for NT
+*/
+
+#include "php.h"
+#if COMPILE_DL
+#include "../phpdl.h"
+#include "functions/dl.h"
+#endif
+#include "php3_snmp.h"
+#include <sys/types.h>
+
+#include <windows.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <malloc.h>
+
+#if HAVE_SNMP
+
+#include <snmp.h>
+#include <mgmtapi.h>
+
+
+function_entry snmp_functions[] = {
+ {"snmpget", php3_snmpget, NULL},
+ {"snmpwalk", php3_snmpwalk, NULL},
+ {NULL,NULL,NULL}
+};
+
+php3_module_entry snmp_module_entry = {
+ "SNMP",snmp_functions,NULL,NULL,NULL,NULL,NULL,0,0,0,NULL
+};
+
+#if COMPILE_DL
+DLEXPORT php3_module_entry *get_module() { return &snmp_module_entry; }
+#endif
+
+#define GET 1
+#define WALK 2
+#define GETNEXT 3
+
+#define TIMEOUT 6000 /* milliseconds */
+#define RETRIES 3
+
+
+void _php3_snmp(INTERNAL_FUNCTION_PARAMETERS, int st) {
+ pval *a1, *a2, *a3;
+ INT operation;
+ LPSTR agent;
+ LPSTR community;
+ RFC1157VarBindList variableBindings;
+ LPSNMP_MGR_SESSION session;
+
+ INT timeout = TIMEOUT;
+ INT retries = RETRIES;
+
+ BYTE requestType;
+ AsnInteger errorStatus;
+ AsnInteger errorIndex;
+ AsnObjectIdentifier oid;
+ char *chkPtr = NULL;
+
+ if (getParameters(ht, 3, &a1, &a2, &a3) == FAILURE) {
+ WRONG_PARAM_COUNT;
+ }
+ convert_to_string(a1);
+ convert_to_string(a2);
+ convert_to_string(a3);
+
+ agent=a1->value.str.val;
+ community=a2->value.str.val;
+ operation=st;
+ SnmpMgrStrToOid(a3->value.str.val, &oid);
+
+/*
+ I've limited this to only one oid, but we can create a
+ list of oid's here, and expand the function to take multiple
+ oid's
+*/
+ variableBindings.list->name = oid;
+ variableBindings.list->value.asnType = ASN_NULL;
+ variableBindings.len = 1;
+
+/* Establish a SNMP session to communicate with the remote agent. The
+ community, communications timeout, and communications retry count
+ for the session are also required.
+*/
+ if ((session = SnmpMgrOpen(agent, community, timeout, retries)) == NULL){
+ php3_error(E_WARNING,"error on SnmpMgrOpen %d\n", GetLastError());
+ }
+
+ /* Determine and perform the requested operation.*/
+ if (operation == GET || operation == GETNEXT){
+ /* Get and GetNext are relatively simple operations to perform.
+ Simply initiate the request and process the result and/or
+ possible error conditions. */
+
+ if (operation == GET){
+ requestType = ASN_RFC1157_GETREQUEST;
+ } else {
+ requestType = ASN_RFC1157_GETNEXTREQUEST;
+ }
+
+ /* Request that the API carry out the desired operation.*/
+ if (!SnmpMgrRequest(session, requestType, &variableBindings,
+ &errorStatus, &errorIndex)){
+ /* The API is indicating an error. */
+ php3_error(E_WARNING,"error on SnmpMgrRequest %d\n", GetLastError());
+ } else {
+ /* The API succeeded, errors may be indicated from the remote
+ agent. */
+ if (errorStatus > 0){
+ php3_error(E_WARNING,"Error: errorStatus=%d, errorIndex=%d\n",
+ errorStatus, errorIndex);
+ } else {
+ /* Display the resulting variable bindings.*/
+ UINT i;
+ char *string = NULL;
+
+ for(i=0; i < variableBindings.len; i++)
+ {
+ SnmpMgrOidToStr(&variableBindings.list[i].name, &string);
+ php3_printf("Variable = %s\n", string);
+ if (string) SNMP_free(string);
+
+ php3_printf("Value = ");
+ SnmpUtilPrintAsnAny(&variableBindings.list[i].value);
+
+ php3_printf("\n");
+ } /* end for() */
+ }
+ }
+
+ /* Free the variable bindings that have been allocated.*/
+ SnmpUtilVarBindListFree(&variableBindings);
+ }
+ else if (operation == WALK)
+ {
+ /* Walk is a common term used to indicate that all MIB variables
+ under a given OID are to be traversed and displayed. This is
+ a more complex operation requiring tests and looping in addition
+ to the steps for get/getnext above. */
+ AsnObjectIdentifier root;
+ AsnObjectIdentifier tempOid;
+
+ SnmpUtilOidCpy(&root, &variableBindings.list[0].name);
+ requestType = ASN_RFC1157_GETNEXTREQUEST;
+
+ while(1)
+ {
+ if (!SnmpMgrRequest(session, requestType, &variableBindings,
+ &errorStatus, &errorIndex)){
+ /* The API is indicating an error.*/
+ php3_error(E_WARNING,"error on SnmpMgrRequest %d\n", GetLastError());
+ break;
+ }
+ else
+ {
+ /* The API succeeded, errors may be indicated from the remote
+ agent.
+ Test for end of subtree or end of MIB. */
+ if (errorStatus == SNMP_ERRORSTATUS_NOSUCHNAME ||
+ SnmpUtilOidNCmp(&variableBindings.list[0].name,
+ &root, root.idLength))
+ {
+ PUTS("End of MIB subtree.\n\n");
+ break;
+ }
+
+ /* Test for general error conditions or sucesss. */
+ if (errorStatus > 0){
+ php3_error(E_ERROR,"Error: errorStatus=%d, errorIndex=%d \n",
+ errorStatus, errorIndex);
+ break;
+ }
+ else
+ {
+ /* Display resulting variable binding for this iteration. */
+ char *string = NULL;
+
+ SnmpMgrOidToStr(&variableBindings.list[0].name, &string);
+ php3_printf("Variable = %s\n", string);
+ if (string) SNMP_free(string);
+
+ php3_printf("Value = ");
+ SnmpUtilPrintAsnAny(&variableBindings.list[0].value);
+
+ php3_printf("\n");
+ }
+ } /* end if () */
+ /* Prepare for the next iteration. Make sure returned oid is
+ preserved and the returned value is freed.
+ */
+ SnmpUtilOidCpy(&tempOid, &variableBindings.list[0].name);
+ SnmpUtilVarBindFree(&variableBindings.list[0]);
+ SnmpUtilOidCpy(&variableBindings.list[0].name, &tempOid);
+ variableBindings.list[0].value.asnType = ASN_NULL;
+ SnmpUtilOidFree(&tempOid);
+ } /* end while() */
+ /* Free the variable bindings that have been allocated.*/
+ SnmpUtilVarBindListFree(&variableBindings);
+ SnmpUtilOidFree(&root);
+ } // end if (operation)
+
+
+ /* Close SNMP session with the remote agent.*/
+ if (!SnmpMgrClose(session)){
+ php3_error(E_WARNING,"error on SnmpMgrClose %d\n", GetLastError());
+ }
+}
+
+DLEXPORT void php3_snmpget(INTERNAL_FUNCTION_PARAMETERS) {
+ _php3_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU,1);
+}
+
+DLEXPORT void php3_snmpwalk(INTERNAL_FUNCTION_PARAMETERS) {
+ _php3_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU,2);
+}
+
+
+#endif
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ */
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