/*
* DisMan Event MIB:
* Implementation of the mteTriggerTable MIB interface
* See 'mteTrigger.c' for active behaviour of this table.
*
* (based on mib2c.table_data.conf output)
*/
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-features.h>
#include <net-snmp/net-snmp-features.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "utilities/iquery.h"
#include "disman/event/mteTrigger.h"
#include "disman/event/mteTriggerTable.h"
netsnmp_feature_require(iquery)
netsnmp_feature_require(table_tdata)
#ifndef NETSNMP_NO_WRITE_SUPPORT
netsnmp_feature_require(iquery_pdu_session)
netsnmp_feature_require(check_vb_type_and_max_size)
netsnmp_feature_require(check_vb_oid)
netsnmp_feature_require(check_vb_uint)
netsnmp_feature_require(mtetrigger_removeentry)
netsnmp_feature_require(check_vb_truthvalue)
netsnmp_feature_require(table_tdata_insert_row)
#endif /* NETSNMP_NO_WRITE_SUPPORT */
static netsnmp_table_registration_info *table_info;
/** Initializes the mteTriggerTable module */
void
init_mteTriggerTable(void)
{
static oid mteTriggerTable_oid[] = { 1, 3, 6, 1, 2, 1, 88, 1, 2, 2 };
size_t mteTriggerTable_oid_len = OID_LENGTH(mteTriggerTable_oid);
netsnmp_handler_registration *reg;
/*
* Ensure the (combined) table container is available...
*/
init_trigger_table_data();
/*
* ... then set up the MIB interface to the mteTriggerTable slice
*/
#ifndef NETSNMP_NO_WRITE_SUPPORT
reg = netsnmp_create_handler_registration("mteTriggerTable",
mteTriggerTable_handler,
mteTriggerTable_oid,
mteTriggerTable_oid_len,
HANDLER_CAN_RWRITE);
#else /* !NETSNMP_NO_WRITE_SUPPORT */
reg = netsnmp_create_handler_registration("mteTriggerTable",
mteTriggerTable_handler,
mteTriggerTable_oid,
mteTriggerTable_oid_len,
HANDLER_CAN_RONLY);
#endif /* !NETSNMP_NO_WRITE_SUPPORT */
table_info = SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info);
netsnmp_table_helper_add_indexes(table_info,
ASN_OCTET_STR, /* index: mteOwner */
/* index: mteTriggerName */
ASN_PRIV_IMPLIED_OCTET_STR,
0);
table_info->min_column = COLUMN_MTETRIGGERCOMMENT;
table_info->max_column = COLUMN_MTETRIGGERENTRYSTATUS;
/* Register this using the (common) trigger_table_data container */
netsnmp_tdata_register(reg, trigger_table_data, table_info);
DEBUGMSGTL(("disman:event:init", "Trigger Table\n"));
}
void
shutdown_mteTriggerTable(void)
{
if (table_info) {
netsnmp_table_registration_info_free(table_info);
table_info = NULL;
}
}
/** handles requests for the mteTriggerTable table */
int
mteTriggerTable_handler(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests)
{
netsnmp_request_info *request;
netsnmp_table_request_info *tinfo;
netsnmp_tdata_row *row;
struct mteTrigger *entry;
char mteOwner[MTE_STR1_LEN+1];
char mteTName[MTE_STR1_LEN+1];
long ret;
DEBUGMSGTL(("disman:event:mib", "Trigger Table handler (%d)\n",
reqinfo->mode));
switch (reqinfo->mode) {
/*
* Read-support (also covers GetNext requests)
*/
case MODE_GET:
for (request = requests; request; request = request->next) {
if (request->processed)
continue;
entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request);
tinfo = netsnmp_extract_table_info(request);
switch (tinfo->colnum) {
case COLUMN_MTETRIGGERCOMMENT:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
entry->mteTriggerComment,
strlen(entry->mteTriggerComment));
break;
case COLUMN_MTETRIGGERTEST:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
&entry->mteTriggerTest, 1);
break;
case COLUMN_MTETRIGGERSAMPLETYPE:
ret = (entry->flags & MTE_TRIGGER_FLAG_DELTA ) ?
MTE_SAMPLE_DELTA : MTE_SAMPLE_ABSOLUTE;
snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
break;
case COLUMN_MTETRIGGERVALUEID:
snmp_set_var_typed_value(request->requestvb, ASN_OBJECT_ID,
(u_char *) entry->mteTriggerValueID,
entry->mteTriggerValueID_len*sizeof(oid));
break;
case COLUMN_MTETRIGGERVALUEIDWILDCARD:
ret = (entry->flags & MTE_TRIGGER_FLAG_VWILD ) ?
TV_TRUE : TV_FALSE;
snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
break;
case COLUMN_MTETRIGGERTARGETTAG:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
entry->mteTriggerTarget,
strlen(entry->mteTriggerTarget));
break;
case COLUMN_MTETRIGGERCONTEXTNAME:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
entry->mteTriggerContext,
strlen(entry->mteTriggerContext));
break;
case COLUMN_MTETRIGGERCONTEXTNAMEWILDCARD:
ret = (entry->flags & MTE_TRIGGER_FLAG_CWILD ) ?
TV_TRUE : TV_FALSE;
snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
break;
case COLUMN_MTETRIGGERFREQUENCY:
snmp_set_var_typed_integer(request->requestvb, ASN_UNSIGNED,
entry->mteTriggerFrequency);
break;
case COLUMN_MTETRIGGEROBJECTSOWNER:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
entry->mteTriggerOOwner,
strlen(entry->mteTriggerOOwner));
break;
case COLUMN_MTETRIGGEROBJECTS:
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
entry->mteTriggerObjects,
strlen(entry->mteTriggerObjects));
break;
case COLUMN_MTETRIGGERENABLED:
ret = (entry->flags & MTE_TRIGGER_FLAG_ENABLED ) ?
TV_TRUE : TV_FALSE;
snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
break;
case COLUMN_MTETRIGGERENTRYSTATUS:
ret = (entry->flags & MTE_TRIGGER_FLAG_ACTIVE ) ?
RS_ACTIVE : RS_NOTINSERVICE;
snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER, ret);
break;
}
}
break;
#ifndef NETSNMP_NO_WRITE_SUPPORT
/*
* Write-support
*/
case MODE_SET_RESERVE1:
for (request = requests; request; request = request->next) {
if (request->processed)
continue;
entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request);
tinfo = netsnmp_extract_table_info(request);
switch (tinfo->colnum) {
case COLUMN_MTETRIGGERCOMMENT:
case COLUMN_MTETRIGGERTARGETTAG:
case COLUMN_MTETRIGGERCONTEXTNAME:
ret = netsnmp_check_vb_type_and_max_size(
request->requestvb, ASN_OCTET_STR, MTE_STR2_LEN);
if (ret != SNMP_ERR_NOERROR) {
netsnmp_set_request_error(reqinfo, request, ret);
return SNMP_ERR_NOERROR;
}
break;
case COLUMN_MTETRIGGERTEST:
ret = netsnmp_check_vb_type_and_size(
request->requestvb, ASN_OCTET_STR, 1);
if (ret != SNMP_ERR_NOERROR) {
netsnmp_set_request_error(reqinfo, request, ret);
return SNMP_ERR_NOERROR;
}
break;
case COLUMN_MTETRIGGERSAMPLETYPE:
ret = netsnmp_check_vb_int_range(request->requestvb,
MTE_SAMPLE_ABSOLUTE, MTE_SAMPLE_DELTA);
if (ret != SNMP_ERR_NOERROR) {
netsnmp_set_request_error(reqinfo, request, ret);
return SNMP_ERR_NOERROR;
}
break;
case COLUMN_MTETRIGGERVALUEID:
ret = netsnmp_check_vb_oid(request->requestvb);
if (ret != SNMP_ERR_NOERROR) {
netsnmp_set_request_error(reqinfo, request, ret);
return SNMP_ERR_NOERROR;
}
break;
case COLUMN_MTETRIGGERVALUEIDWILDCARD:
case COLUMN_MTETRIGGERCONTEXTNAMEWILDCARD:
case COLUMN_MTETRIGGERENABLED:
ret = netsnmp_check_vb_truthvalue(request->requestvb);
if (ret != SNMP_ERR_NOERROR) {
netsnmp_set_request_error(reqinfo, request, ret);
return SNMP_ERR_NOERROR;
}
break;
case COLUMN_MTETRIGGERFREQUENCY:
ret = netsnmp_check_vb_uint(request->requestvb);
if (ret != SNMP_ERR_NOERROR) {
netsnmp_set_request_error(reqinfo, request, ret);
return SNMP_ERR_NOERROR;
}
break;
case COLUMN_MTETRIGGEROBJECTSOWNER:
case COLUMN_MTETRIGGEROBJECTS:
ret = netsnmp_check_vb_type_and_max_size(
request->requestvb, ASN_OCTET_STR, MTE_STR1_LEN);
if (ret != SNMP_ERR_NOERROR) {
netsnmp_set_request_error(reqinfo, request, ret);
return SNMP_ERR_NOERROR;
}
break;
case COLUMN_MTETRIGGERENTRYSTATUS:
ret = netsnmp_check_vb_rowstatus(request->requestvb,
(entry ? RS_ACTIVE : RS_NONEXISTENT));
if (ret != SNMP_ERR_NOERROR) {
netsnmp_set_request_error(reqinfo, request, ret);
return SNMP_ERR_NOERROR;
}
break;
default:
netsnmp_set_request_error(reqinfo, request,
SNMP_ERR_NOTWRITABLE);
return SNMP_ERR_NOERROR;
}
/*
* Once a row has been made active, it cannot be
* modified except to delete it. There's no good
* reason for this, but that's what the MIB says.
*
* The published version of the Event MIB even forbids
* enabling (or disabling) an active row, which
* would make this object completely pointless!
* Fortunately this ludicrous decision has since been corrected.
*/
if (entry &&
entry->flags & MTE_TRIGGER_FLAG_ACTIVE ) {
/* check for the acceptable assignments */
if ((tinfo->colnum == COLUMN_MTETRIGGERENABLED) ||
(tinfo->colnum == COLUMN_MTETRIGGERENTRYSTATUS &&
*request->requestvb->val.integer != RS_NOTINSERVICE))
continue;
/* Otherwise, reject this request */
netsnmp_set_request_error(reqinfo, request,
SNMP_ERR_INCONSISTENTVALUE);
return SNMP_ERR_NOERROR;
}
}
break;
case MODE_SET_RESERVE2:
for (request = requests; request; request = request->next) {
if (request->processed)
continue;
tinfo = netsnmp_extract_table_info(request);
switch (tinfo->colnum) {
case COLUMN_MTETRIGGERENTRYSTATUS:
switch (*request->requestvb->val.integer) {
case RS_CREATEANDGO:
case RS_CREATEANDWAIT:
/*
* Create an (empty) new row structure
*/
memset(mteOwner, 0, sizeof(mteOwner));
memcpy(mteOwner, tinfo->indexes->val.string,
tinfo->indexes->val_len);
memset(mteTName, 0, sizeof(mteTName));
memcpy(mteTName,
tinfo->indexes->next_variable->val.string,
tinfo->indexes->next_variable->val_len);
row = mteTrigger_createEntry(mteOwner, mteTName, 0);
if (!row) {
netsnmp_set_request_error(reqinfo, request,
SNMP_ERR_RESOURCEUNAVAILABLE);
return SNMP_ERR_NOERROR;
}
netsnmp_insert_tdata_row( request, row );
}
}
}
break;
case MODE_SET_FREE:
for (request = requests; request; request = request->next) {
if (request->processed)
continue;
tinfo = netsnmp_extract_table_info(request);
switch (tinfo->colnum) {
case COLUMN_MTETRIGGERENTRYSTATUS:
switch (*request->requestvb->val.integer) {
case RS_CREATEANDGO:
case RS_CREATEANDWAIT:
/*
* Tidy up after a failed row creation request
*/
entry = (struct mteTrigger *)
netsnmp_tdata_extract_entry(request);
if (entry &&
!(entry->flags & MTE_TRIGGER_FLAG_VALID)) {
row = (netsnmp_tdata_row *)
netsnmp_tdata_extract_row(request);
mteTrigger_removeEntry( row );
}
}
}
}
break;
case MODE_SET_ACTION:
for (request = requests; request; request = request->next) {
if (request->processed)
continue;
tinfo = netsnmp_extract_table_info(request);
entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request);
if (!entry) {
/*
* New rows must be created via the RowStatus column
*/
netsnmp_set_request_error(reqinfo, request,
SNMP_ERR_NOCREATION);
/* or inconsistentName? */
return SNMP_ERR_NOERROR;
}
}
break;
case MODE_SET_UNDO:
break;
case MODE_SET_COMMIT:
/*
* All these assignments are "unfailable", so it's
* (reasonably) safe to apply them in the Commit phase
*/
for (request = requests; request; request = request->next) {
if (request->processed)
continue;
entry = (struct mteTrigger *) netsnmp_tdata_extract_entry(request);
tinfo = netsnmp_extract_table_info(request);
switch (tinfo->colnum) {
case COLUMN_MTETRIGGERCOMMENT:
memset(entry->mteTriggerComment, 0,
sizeof(entry->mteTriggerComment));
memcpy(entry->mteTriggerComment,
request->requestvb->val.string,
request->requestvb->val_len);
break;
case COLUMN_MTETRIGGERTEST:
entry->mteTriggerTest = request->requestvb->val.string[0];
break;
case COLUMN_MTETRIGGERSAMPLETYPE:
if (*request->requestvb->val.integer == MTE_SAMPLE_DELTA)
entry->flags |= MTE_TRIGGER_FLAG_DELTA;
else
entry->flags &= ~MTE_TRIGGER_FLAG_DELTA;
break;
case COLUMN_MTETRIGGERVALUEID:
memset(entry->mteTriggerValueID, 0,
sizeof(entry->mteTriggerValueID));
memcpy(entry->mteTriggerValueID,
request->requestvb->val.string,
request->requestvb->val_len);
entry->mteTriggerValueID_len = request->requestvb->val_len/sizeof(oid);
break;
case COLUMN_MTETRIGGERVALUEIDWILDCARD:
if (*request->requestvb->val.integer == TV_TRUE)
entry->flags |= MTE_TRIGGER_FLAG_VWILD;
else
entry->flags &= ~MTE_TRIGGER_FLAG_VWILD;
break;
case COLUMN_MTETRIGGERTARGETTAG:
memset(entry->mteTriggerTarget, 0,
sizeof(entry->mteTriggerTarget));
memcpy(entry->mteTriggerTarget,
request->requestvb->val.string,
request->requestvb->val_len);
break;
case COLUMN_MTETRIGGERCONTEXTNAME:
memset(entry->mteTriggerContext, 0,
sizeof(entry->mteTriggerContext));
memcpy(entry->mteTriggerContext,
request->requestvb->val.string,
request->requestvb->val_len);
break;
case COLUMN_MTETRIGGERCONTEXTNAMEWILDCARD:
if (*request->requestvb->val.integer == TV_TRUE)
entry->flags |= MTE_TRIGGER_FLAG_CWILD;
else
entry->flags &= ~MTE_TRIGGER_FLAG_CWILD;
break;
case COLUMN_MTETRIGGERFREQUENCY:
entry->mteTriggerFrequency = *request->requestvb->val.integer;
break;
case COLUMN_MTETRIGGEROBJECTSOWNER:
memset(entry->mteTriggerOOwner, 0,
sizeof(entry->mteTriggerOOwner));
memcpy(entry->mteTriggerOOwner,
request->requestvb->val.string,
request->requestvb->val_len);
break;
case COLUMN_MTETRIGGEROBJECTS:
memset(entry->mteTriggerObjects, 0,
sizeof(entry->mteTriggerObjects));
memcpy(entry->mteTriggerObjects,
request->requestvb->val.string,
request->requestvb->val_len);
break;
case COLUMN_MTETRIGGERENABLED:
if (*request->requestvb->val.integer == TV_TRUE)
entry->flags |= MTE_TRIGGER_FLAG_ENABLED;
else
entry->flags &= ~MTE_TRIGGER_FLAG_ENABLED;
break;
case COLUMN_MTETRIGGERENTRYSTATUS:
switch (*request->requestvb->val.integer) {
case RS_ACTIVE:
entry->flags |= MTE_TRIGGER_FLAG_ACTIVE;
mteTrigger_enable( entry );
break;
case RS_CREATEANDGO:
entry->flags |= MTE_TRIGGER_FLAG_ACTIVE;
entry->flags |= MTE_TRIGGER_FLAG_VALID;
entry->session =
netsnmp_iquery_pdu_session(reqinfo->asp->pdu);
mteTrigger_enable( entry );
break;
case RS_CREATEANDWAIT:
entry->flags |= MTE_TRIGGER_FLAG_VALID;
entry->session =
netsnmp_iquery_pdu_session(reqinfo->asp->pdu);
break;
case RS_DESTROY:
row = (netsnmp_tdata_row *)
netsnmp_tdata_extract_row(request);
mteTrigger_removeEntry(row);
}
break;
}
}
/** set up to save persistent store */
snmp_store_needed(NULL);
break;
#endif /* !NETSNMP_NO_WRITE_SUPPORT */
}
return SNMP_ERR_NOERROR;
}