snmptargetparamsentry.c

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/*
 * TargetParamTable MIB
 * 
 * This file was generated by mib2c and is intended for use as a mib module
 * for the ucd-snmp snmpd agent. Edited by Michael Baer 
 * 
 * last changed 2/2/99.
 */

#include <net-snmp/net-snmp-config.h>
#if HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#include <stdlib.h>
#include <ctype.h>
#if HAVE_WINSOCK_H
#include <winsock.h>
#endif

#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>

#include "snmpTargetParamsEntry.h"

#define snmpTargetParamsOIDLen 11       /*This is base+column, 
                                         * i.e. everything but index */

oid             snmpTargetParamsOID[snmpTargetParamsOIDLen] =
    { 1, 3, 6, 1, 6, 3, 12, 1, 3, 1, 0 };

static struct targetParamTable_struct *aPTable = 0;


/*
 * Utility routines 
 */


/*
 * TargetParamTable_create creates and returns a pointer
 * to a targetParamTable_struct with default values set 
 */
struct targetParamTable_struct
               *
snmpTargetParamTable_create(void)
{
    struct targetParamTable_struct *newEntry;

    newEntry = (struct targetParamTable_struct *)
        malloc(sizeof(struct targetParamTable_struct));

    newEntry->paramName = 0;
    newEntry->mpModel = -1;

    newEntry->secModel = -1;
    newEntry->secName = 0;
    newEntry->secLevel = -1;

    newEntry->storageType = SNMP_STORAGE_NONVOLATILE;
    newEntry->rowStatus = SNMP_ROW_NONEXISTENT;
    newEntry->next = 0;
    return newEntry;
}


/*
 * TargetParamTable_dispose frees the space allocated to a
 * targetParamTable_struct 
 */
void
snmpTargetParamTable_dispose(struct targetParamTable_struct *reaped)
{
    free(reaped->paramName);
    free(reaped->secName);

    free(reaped);
}                               /* snmpTargetParamTable_dispose  */


/*
 * snmpTargetParamTable_addToList adds a targetParamTable_struct 
 * to a list passed in. The list is assumed to be in a sorted order,
 * low to high and this procedure inserts a new struct in the proper 
 * location. Sorting uses OID values based on paramName. A new equal value 
 * overwrites a current one. 
 */
void
snmpTargetParamTable_addToList(struct targetParamTable_struct *newEntry,
                               struct targetParamTable_struct **listPtr)
{
    static struct targetParamTable_struct *curr_struct, *prev_struct;
    int             i;
    size_t          newOIDLen = 0, currOIDLen = 0;
    oid             newOID[128], currOID[128];

    /*
     * if the list is empty, add the new entry to the top 
     */
    if ((prev_struct = curr_struct = *listPtr) == 0) {
        *listPtr = newEntry;
        return;
    } else {
        /*
         * get the 'OID' value of the new entry 
         */
        newOIDLen = strlen(newEntry->paramName);
        for (i = 0; i < (int) newOIDLen; i++) {
            newOID[i] = newEntry->paramName[i];
        }

        /*
         * search through the list for an equal or greater OID value 
         */
        while (curr_struct != 0) {
            currOIDLen = strlen(curr_struct->paramName);
            for (i = 0; i < (int) currOIDLen; i++) {
                currOID[i] = curr_struct->paramName[i];
            }

            i = snmp_oid_compare(newOID, newOIDLen, currOID, currOIDLen);
            if (i == 0) {       /* Exact match, overwrite with new struct */
                newEntry->next = curr_struct->next;
                /*
                 * if curr_struct is the top of the list 
                 */
                if (*listPtr == curr_struct)
                    *listPtr = newEntry;
                else
                    prev_struct->next = newEntry;
                snmpTargetParamTable_dispose(curr_struct);
                return;
            } else if (i < 0) { /* Found a greater OID, insert struct in front of it. */
                newEntry->next = curr_struct;
                /*
                 * if curr_struct is the top of the list 
                 */
                if (*listPtr == curr_struct)
                    *listPtr = newEntry;
                else
                    prev_struct->next = newEntry;
                return;
            }
            prev_struct = curr_struct;
            curr_struct = curr_struct->next;
        }
    }
    /*
     * if we're here, no larger OID was ever found, insert on end of list 
     */
    prev_struct->next = newEntry;
}                               /* snmpTargeParamTable_addToList  */

void
snmpTargetParamTable_add(struct targetParamTable_struct *newEntry)
{
    snmpTargetParamTable_addToList(newEntry, &aPTable);
}

/*
 * snmpTargetParamTable_remFromList removes a targetParamTable_struct 
 * from the list passed in 
 */
void
snmpTargetParamTable_remFromList(struct targetParamTable_struct *oldEntry,
                                 struct targetParamTable_struct **listPtr)
{
    struct targetParamTable_struct *tptr;

    if ((tptr = *listPtr) == 0)
        return;
    else if (tptr == oldEntry) {
        *listPtr = (*listPtr)->next;
        snmpTargetParamTable_dispose(tptr);
        return;
    } else {
        while (tptr->next != 0) {
            if (tptr->next == oldEntry) {
                tptr->next = tptr->next->next;
                snmpTargetParamTable_dispose(oldEntry);
                return;
            }
            tptr = tptr->next;
        }
    }
}                               /* snmpTargetParamTable_remFromList  */


/*
 * lookup OID in the link list of Table Entries 
 */
struct targetParamTable_struct *
search_snmpTargetParamsTable(oid * baseName,
                             size_t baseNameLen,
                             oid * name, size_t * length, int exact)
{
    static struct targetParamTable_struct *temp_struct;
    int             i;
    size_t          myOIDLen = 0;
    oid             newNum[128];

    /*
     * lookup entry in p / * Get Current MIB ID 
     */
    memcpy(newNum, baseName, baseNameLen * sizeof(oid));

    for (temp_struct = aPTable; temp_struct != 0;
         temp_struct = temp_struct->next) {
        for (i = 0; i < (int) strlen(temp_struct->paramName); i++) {
            newNum[baseNameLen + i] = temp_struct->paramName[i];
        }
        myOIDLen = baseNameLen + strlen(temp_struct->paramName);
        i = snmp_oid_compare(name, *length, newNum, myOIDLen);
        /*
         * Assumes that the linked list sorted by OID, low to high 
         */
        if ((i == 0 && exact != 0) || (i < 0 && exact == 0)) {
            if (exact == 0) {
                memcpy(name, newNum, myOIDLen * sizeof(oid));
                *length = myOIDLen;
            }
            return temp_struct;
        }
    }
    return (0);
}                               /* search_snmpTargetParamsTable */


/*
 * snmpTargetParams_rowStatusCheck is boolean funciton that  checks 
 * the status of a row's values in order to determine whether
 * the row should be notReady or notInService  
 */
int
snmpTargetParams_rowStatusCheck(struct targetParamTable_struct *entry)
{
    if ((entry->mpModel < 0) || (entry->secModel < 0) ||
        (entry->secLevel < 0) || (entry->secName == 0))
        return 0;
    else
        return 1;
}                               /* snmtpTargetParamTable_rowStatusCheck */


/*
 * initialization routines 
 */


/*
 * this variable defines function callbacks and type return information 
 * for the snmpTargetAddrEntry mib 
 */

struct variable2 snmpTargetParamsEntry_variables[] = {
    {SNMPTARGETPARAMSMPMODEL, ASN_INTEGER, RWRITE,
     var_snmpTargetParamsEntry, 1, {SNMPTARGETPARAMSMPMODELCOLUMN}},
    {SNMPTARGETPARAMSSECURITYMODEL, ASN_INTEGER, RWRITE,
     var_snmpTargetParamsEntry, 1, {SNMPTARGETPARAMSSECURITYMODELCOLUMN}},
    {SNMPTARGETPARAMSSECURITYNAME, ASN_OCTET_STR, RWRITE,
     var_snmpTargetParamsEntry, 1, {SNMPTARGETPARAMSSECURITYNAMECOLUMN}},
    {SNMPTARGETPARAMSSECURITYLEVEL, ASN_INTEGER, RWRITE,
     var_snmpTargetParamsEntry, 1, {SNMPTARGETPARAMSSECURITYLEVELCOLUMN}},
    {SNMPTARGETPARAMSSTORAGETYPE, ASN_INTEGER, RWRITE,
     var_snmpTargetParamsEntry, 1, {SNMPTARGETPARAMSSTORAGETYPECOLUMN}},
    {SNMPTARGETPARAMSROWSTATUS, ASN_INTEGER, RWRITE,
     var_snmpTargetParamsEntry, 1, {SNMPTARGETPARAMSROWSTATUSCOLUMN}}
};

/*
 * now load this mib into the agents mib table 
 */
oid             snmpTargetParamsEntry_variables_oid[] =
    { 1, 3, 6, 1, 6, 3, 12, 1, 3, 1 };


void
init_snmpTargetParamsEntry(void)
{
    aPTable = 0;

    REGISTER_MIB("target/snmpTargetParamsEntry",
                 snmpTargetParamsEntry_variables, variable2,
                 snmpTargetParamsEntry_variables_oid);

    snmpd_register_config_handler("targetParams",
                                  snmpd_parse_config_targetParams, 0,
                                  NULL);

    /*
     * we need to be called back later 
     */
    snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_STORE_DATA,
                           store_snmpTargetParamsEntry, NULL);
}                               /*  init_snmpTargetParmsEntry  */


int
snmpTargetParams_addParamName(struct targetParamTable_struct *entry,
                              char *cptr)
{
    size_t          len;
    if (cptr == 0) {
        DEBUGMSGTL(("snmpTargetParamsEntry",
                    "ERROR snmpTargetParamsEntry: no param name in config string\n"));
        return (0);
    } else {
        len = strlen(cptr);
        /*
         * spec check for string 1-32 
         */
        if (len < 1 || len > 32) {
            DEBUGMSGTL(("snmpTargetParamsEntry",
                        "ERROR snmpTargetParamsEntry: param name out of range in config string\n"));
            return (0);
        }
        entry->paramName = (char *) malloc(len + 1);
        strncpy(entry->paramName, cptr, len);
        entry->paramName[len] = '\0';
    }
    return (1);
}


int
snmpTargetParams_addMPModel(struct targetParamTable_struct *entry,
                            char *cptr)
{
    if (cptr == 0) {
        DEBUGMSGTL(("snmpTargetParamsEntry",
                    "ERROR snmpTargetParamsEntry: no mp model in config string\n"));
        return (0);
    } else if (!(isdigit(*cptr))) {
        DEBUGMSGTL(("snmpTargetParamsEntry",
                    "ERROR snmpTargeParamsEntry: mp model is not digit in config string\n"));
        return (0);
    }
    /*
     * spec check MP Model >= 0 
     */
    else if ((entry->mpModel = (int) strtol(cptr, (char **) NULL, 0)) < 0) {
        DEBUGMSGTL(("snmpTargetParamsEntry",
                    "ERROR snmpTargeParamsEntry: mp model out of range in config string\n"));
        return (0);
    }
    return (1);
}                               /* snmpTargetParams_addMPModel  */


int