int
se_add_pair_to_list(struct snmp_enum_list **list, char *label, int value)
{
struct snmp_enum_list *lastnode = NULL, *tmp;
if (!list)
return SE_DNE;
tmp = *list;
while (tmp) {
if (tmp->value == value) {
free(label);
return (SE_ALREADY_THERE);
}
lastnode = tmp;
tmp = tmp->next;
}
if (lastnode) {
lastnode->next = SNMP_MALLOC_STRUCT(snmp_enum_list);
lastnode = lastnode->next;
} else {
(*list) = SNMP_MALLOC_STRUCT(snmp_enum_list);
lastnode = (*list);
}
if (!lastnode) {
free(label);
return (SE_NOMEM);
}
lastnode->label = label;
lastnode->value = value;
lastnode->next = NULL;
return (SE_OK);
}
struct expExpressionTable_data *
create_expExpressionTable_data(void)
{
struct expExpressionTable_data *StorageNew;
StorageNew = SNMP_MALLOC_STRUCT(expExpressionTable_data);
/*
* fill in default row values here into StorageNew
*/
/*
* fill in values for all tables (even if not
* appropriate), since its easier to do here than anywhere
* else
*/
StorageNew->expExpression = strdup("");
StorageNew->expExpressionValueType = EXPEXPRESSION_COUNTER32;
StorageNew->expExpressionComment = strdup("");
StorageNew->expExpressionDeltaInterval = 0;
StorageNew->expExpressionPrefix = calloc(1, sizeof(oid) * 2); /* 0.0 */
StorageNew->expExpressionPrefixLen = 2;
StorageNew->hc_ObjectTableStorage = NULL;
StorageNew->hc_ValueTableStorage = NULL;
StorageNew->storageType = ST_NONVOLATILE;
return StorageNew;
}
/** Initialize the LOCALSM security module */
void
init_localsm(void)
{
struct snmp_secmod_def *def;
int ret;
def = SNMP_MALLOC_STRUCT(snmp_secmod_def);
if (!def) {
snmp_log(LOG_ERR,
"Unable to malloc snmp_secmod struct, not registering LOCALSM\n");
return;
}
def->encode_reverse = localsm_rgenerate_out_msg;
def->decode = localsm_process_in_msg;
def->session_open = localsm_session_init;
def->pdu_free_state_ref = localsm_free_state_ref;
def->pdu_free = localsm_free_pdu;
def->pdu_clone = localsm_clone_pdu;
DEBUGMSGTL(("localsm","registering ourselves\n"));
ret = register_sec_mod(NETSNMP_LOCALSM_SECURITY_MODEL, "localsm", def);
DEBUGMSGTL(("localsm"," returned %d\n", ret));
}
/** Initialize the TSM security module */
void
init_tsm(void)
{
struct snmp_secmod_def *def;
int ret;
def = SNMP_MALLOC_STRUCT(snmp_secmod_def);
if (!def) {
snmp_log(LOG_ERR,
"Unable to malloc snmp_secmod struct, not registering TSM\n");
return;
}
def->encode_reverse = tsm_rgenerate_out_msg;
def->decode = tsm_process_in_msg;
def->session_open = tsm_session_init;
def->pdu_free_state_ref = tsm_free_state_ref;
def->pdu_clone = tsm_clone_pdu;
def->pdu_free = tsm_free_pdu;
def->probe_engineid = snmpv3_probe_contextEngineID_rfc5343;
DEBUGMSGTL(("tsm","registering ourselves\n"));
ret = register_sec_mod(NETSNMP_TSM_SECURITY_MODEL, "tsm", def);
DEBUGMSGTL(("tsm"," returned %d\n", ret));
netsnmp_ds_register_config(ASN_BOOLEAN, "snmp", "tsmUseTransportPrefix",
NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_TSM_USE_PREFIX);
}
/*
* parse_snmpNotifyTable():
* parses .conf file entries needed to configure the mib.
*/
void
parse_snmpNotifyTable(const char *token, char *line)
{
size_t tmpint;
struct snmpNotifyTable_data *StorageTmp =
SNMP_MALLOC_STRUCT(snmpNotifyTable_data);
DEBUGMSGTL(("snmpNotifyTable", "parsing config... "));
if (StorageTmp == NULL) {
config_perror("malloc failure");
return;
}
line =
read_config_read_data(ASN_OCTET_STR, line,
&StorageTmp->snmpNotifyName,
&StorageTmp->snmpNotifyNameLen);
if (StorageTmp->snmpNotifyName == NULL) {
config_perror("invalid specification for snmpNotifyName");
return;
}
line =
read_config_read_data(ASN_OCTET_STR, line,
&StorageTmp->snmpNotifyTag,
&StorageTmp->snmpNotifyTagLen);
if (StorageTmp->snmpNotifyTag == NULL) {
config_perror("invalid specification for snmpNotifyTag");
return;
}
line =
read_config_read_data(ASN_INTEGER, line,
&StorageTmp->snmpNotifyType, &tmpint);
line =
read_config_read_data(ASN_INTEGER, line,
&StorageTmp->snmpNotifyStorageType, &tmpint);
if (!StorageTmp->snmpNotifyStorageType)
StorageTmp->snmpNotifyStorageType = ST_READONLY;
line =
read_config_read_data(ASN_INTEGER, line,
&StorageTmp->snmpNotifyRowStatus, &tmpint);
if (!StorageTmp->snmpNotifyRowStatus)
StorageTmp->snmpNotifyRowStatus = RS_ACTIVE;
if (snmpNotifyTable_add(StorageTmp) != SNMPERR_SUCCESS){
SNMP_FREE(StorageTmp->snmpNotifyName);
SNMP_FREE(StorageTmp->snmpNotifyTag);
SNMP_FREE(StorageTmp);
}
DEBUGMSGTL(("snmpNotifyTable", "done.\n"));
}
static int
ksm_insert_cache(long msgid, krb5_auth_context auth_context,
u_char * secName, size_t secNameLen)
{
struct ksm_cache_entry *entry;
int bucket;
int retval;
entry = SNMP_MALLOC_STRUCT(ksm_cache_entry);
if (!entry)
return SNMPERR_MALLOC;
entry->msgid = msgid;
entry->auth_context = auth_context;
entry->refcount = 1;
retval = memdup(&entry->secName, secName, secNameLen);
if (retval != SNMPERR_SUCCESS) {
free(entry);
return retval;
}
entry->secNameLen = secNameLen;
bucket = msgid % HASHSIZE;
entry->next = ksm_hash_table[bucket];
ksm_hash_table[bucket] = entry;
return SNMPERR_SUCCESS;
}
unsigned int
snmp_alarm_register(unsigned int when, unsigned int flags,
SNMPAlarmCallback *thecallback, void *clientarg) {
struct snmp_alarm **sa_pptr;
if (thealarms != NULL) {
for(sa_pptr = &thealarms; (*sa_pptr) != NULL;
sa_pptr = &((*sa_pptr)->next));
} else {
sa_pptr = &thealarms;
}
*sa_pptr = SNMP_MALLOC_STRUCT(snmp_alarm);
if (*sa_pptr == NULL)
return 0;
(*sa_pptr)->seconds = when;
(*sa_pptr)->flags = flags;
(*sa_pptr)->clientarg = clientarg;
(*sa_pptr)->thecallback = thecallback;
(*sa_pptr)->clientreg = regnum++;
sa_update_entry(*sa_pptr);
DEBUGMSGTL(("snmp_alarm_register","registered alarm %d, secends=%d, flags=%d\n",
(*sa_pptr)->clientreg, (*sa_pptr)->seconds, (*sa_pptr)->flags));
if (start_alarms)
set_an_alarm();
return (*sa_pptr)->clientreg;
}
/*
* parse_snmpNotifyFilterTable():
* parses .conf file entries needed to configure the mib.
*/
void
parse_snmpNotifyFilterTable(const char *token, char *line)
{
size_t tmpint;
struct snmpNotifyFilterTable_data *StorageTmp =
SNMP_MALLOC_STRUCT(snmpNotifyFilterTable_data);
DEBUGMSGTL(("snmpNotifyFilterTable", "parsing config... "));
if (StorageTmp == NULL) {
config_perror("malloc failure");
return;
}
line =
read_config_read_data(ASN_OCTET_STR, line,
&StorageTmp->snmpNotifyFilterProfileName,
&StorageTmp->snmpNotifyFilterProfileNameLen);
if (StorageTmp->snmpNotifyFilterProfileName == NULL) {
config_perror
("invalid specification for snmpNotifyFilterProfileName");
return;
}
line =
read_config_read_data(ASN_OBJECT_ID, line,
&StorageTmp->snmpNotifyFilterSubtree,
&StorageTmp->snmpNotifyFilterSubtreeLen);
if (StorageTmp->snmpNotifyFilterSubtree == NULL) {
config_perror("invalid specification for snmpNotifyFilterSubtree");
return;
}
line =
read_config_read_data(ASN_OCTET_STR, line,
&StorageTmp->snmpNotifyFilterMask,
&StorageTmp->snmpNotifyFilterMaskLen);
line =
read_config_read_data(ASN_INTEGER, line,
&StorageTmp->snmpNotifyFilterType, &tmpint);
line =
read_config_read_data(ASN_INTEGER, line,
&StorageTmp->snmpNotifyFilterStorageType,
&tmpint);
line =
read_config_read_data(ASN_INTEGER, line,
&StorageTmp->snmpNotifyFilterRowStatus,
&tmpint);
snmpNotifyFilterTable_add(StorageTmp);
DEBUGMSGTL(("snmpNotifyFilterTable", "done.\n"));
}
void
parse_lookupResultsTable(const char *token, char *line)
{
size_t tmpint;
struct lookupResultsTable_data *StorageTmp =
SNMP_MALLOC_STRUCT(lookupResultsTable_data);
DEBUGMSGTL(("lookupResultsTable", "parsing config... "));
if (StorageTmp == NULL) {
config_perror("malloc failure");
return;
}
line =
read_config_read_data(ASN_OCTET_STR, line,
&StorageTmp->lookupCtlOwnerIndex,
&StorageTmp->lookupCtlOwnerIndexLen);
if (StorageTmp->lookupCtlOwnerIndex == NULL) {
config_perror("invalid specification for lookupCtlOwnerIndex");
return;
}
line =
read_config_read_data(ASN_OCTET_STR, line,
&StorageTmp->lookupCtlOperationName,
&StorageTmp->lookupCtlOperationNameLen);
if (StorageTmp->lookupCtlOperationName == NULL) {
config_perror("invalid specification for lookupCtlOperationName");
return;
}
line =
read_config_read_data(ASN_UNSIGNED, line,
&StorageTmp->lookupResultsIndex, &tmpint);
line =
read_config_read_data(ASN_INTEGER, line,
&StorageTmp->lookupResultsAddressType,
&tmpint);
line =
read_config_read_data(ASN_OCTET_STR, line,
&StorageTmp->lookupResultsAddress,
&StorageTmp->lookupResultsAddressLen);
if (StorageTmp->lookupResultsAddress == NULL) {
config_perror("invalid specification for lookupResultsAddress");
return;
}
lookupResultsTable_inadd(StorageTmp);
/* lookupResultsTable_cleaner(lookupResultsTableStorage); */
DEBUGMSGTL(("lookupResultsTable", "done.\n"));
}
int
ds_register_premib(u_char type, const char *ftype, const char *token,
int storeid, int which) {
struct ds_read_config *drsp;
if (storeid >= DS_MAX_IDS || which >= DS_MAX_SUBIDS ||
storeid < 0 || which < 0 || token == NULL)
return SNMPERR_GENERR;
if (ds_configs == NULL) {
ds_configs = SNMP_MALLOC_STRUCT(ds_read_config);
drsp = ds_configs;
} else {
for(drsp = ds_configs; drsp->next != NULL; drsp = drsp->next);
drsp->next = SNMP_MALLOC_STRUCT(ds_read_config);
drsp = drsp->next;
}
drsp->type = type;
drsp->token = strdup(token);
drsp->storeid = storeid;
drsp->which = which;
switch (type) {
case ASN_BOOLEAN:
register_premib_handler(ftype, token, ds_handle_config, NULL,"(1|yes|true|0|no|false)");
break;
case ASN_INTEGER:
register_premib_handler(ftype, token, ds_handle_config, NULL,"integerValue");
break;
case ASN_OCTET_STR:
register_premib_handler(ftype, token, ds_handle_config, NULL,"string");
break;
}
return SNMPERR_SUCCESS;
}
/*
* parse_snmpNotifyFilterProfileTable():
* parses .conf file entries needed to configure the mib.
*/
void
parse_snmpNotifyFilterProfileTable(const char *token, char *line)
{
size_t tmpint;
struct snmpNotifyFilterProfileTable_data *StorageTmp =
SNMP_MALLOC_STRUCT(snmpNotifyFilterProfileTable_data);
DEBUGMSGTL(("snmpNotifyFilterProfileTable", "parsing config... "));
if (StorageTmp == NULL) {
config_perror("malloc failure");
return;
}
line =
read_config_read_data(ASN_OCTET_STR, line,
&StorageTmp->snmpTargetParamsName,
&StorageTmp->snmpTargetParamsNameLen);
if (StorageTmp->snmpTargetParamsName == NULL) {
config_perror("invalid specification for snmpTargetParamsName");
return;
}
line =
read_config_read_data(ASN_OCTET_STR, line,
&StorageTmp->snmpNotifyFilterProfileName,
&StorageTmp->snmpNotifyFilterProfileNameLen);
if (StorageTmp->snmpNotifyFilterProfileName == NULL) {
config_perror("invalid specification for snmpNotifyFilterProfileName");
return;
}
line =
read_config_read_data(ASN_INTEGER, line,
&StorageTmp->snmpNotifyFilterProfileStorType,
&tmpint);
line =
read_config_read_data(ASN_INTEGER, line,
&StorageTmp->
snmpNotifyFilterProfileRowStatus, &tmpint);
if (snmpNotifyFilterProfileTable_add(StorageTmp) != SNMPERR_SUCCESS){
SNMP_FREE(StorageTmp->snmpTargetParamsName);
SNMP_FREE(StorageTmp->snmpNotifyFilterProfileName);
SNMP_FREE(StorageTmp);
}
DEBUGMSGTL(("snmpNotifyFilterProfileTable", "done.\n"));
}
struct header_complex_index *
_header_complex_add_between(struct header_complex_index **thedata,
struct header_complex_index *hciptrp,
struct header_complex_index *hciptrn,
oid * newoid, size_t newoid_len, void *data)
{
struct header_complex_index *ourself;
/*
* nptr should now point to the spot that we need to add ourselves
* in front of, and pptr should be our new 'prev'.
*/
/*
* create ourselves
*/
ourself = (struct header_complex_index *)
SNMP_MALLOC_STRUCT(header_complex_index);
if (ourself == NULL)
return NULL;
/*
* change our pointers
*/
ourself->prev = hciptrp;
ourself->next = hciptrn;
if (ourself->next)
ourself->next->prev = ourself;
if (ourself->prev)
ourself->prev->next = ourself;
ourself->data = data;
ourself->name = snmp_duplicate_objid(newoid, newoid_len);
ourself->namelen = newoid_len;
/*
* rewind to the head of the list and return it (since the new head
* could be us, we need to notify the above routine who the head now is.
*/
for (hciptrp = ourself; hciptrp->prev != NULL;
hciptrp = hciptrp->prev);
*thedata = hciptrp;
DEBUGMSGTL(("header_complex_add_data", "adding something...\n"));
return hciptrp;
}
int
register_sec_mod(int secmod, const char *modname,
struct snmp_secmod_def *newdef)
{
int result = 0;
struct snmp_secmod_list *sptr;
char *othername, *modname2 = NULL;
for (sptr = registered_services; sptr; sptr = sptr->next) {
if (sptr->securityModel == secmod) {
return SNMPERR_GENERR;
}
}
sptr = SNMP_MALLOC_STRUCT(snmp_secmod_list);
if (sptr == NULL)
return SNMPERR_MALLOC;
sptr->secDef = newdef;
sptr->securityModel = secmod;
sptr->next = registered_services;
registered_services = sptr;
modname2 = strdup(modname);
if (!modname2)
result = SE_NOMEM;
else
result = se_add_pair_to_slist("snmp_secmods", modname2, secmod);
if (result != SE_OK) {
switch (result) {
case SE_NOMEM:
snmp_log(LOG_CRIT, "snmp_secmod: no memory\n");
break;
case SE_ALREADY_THERE:
othername = se_find_label_in_slist("snmp_secmods", secmod);
if (strcmp(othername, modname) != 0) {
snmp_log(LOG_ERR,
"snmp_secmod: two security modules %s and %s registered with the same security number\n",
modname, othername);
}
break;
default:
snmp_log(LOG_ERR,
"snmp_secmod: unknown error trying to register a new security module\n");
break;
}
return SNMPERR_GENERR;
}
return SNMPERR_SUCCESS;
}
int
snmp_register_callback(int major, int minor, SNMPCallback *new_callback,
void *arg) {
struct snmp_gen_callback *scp;
if (major >= MAX_CALLBACK_IDS || minor >= MAX_CALLBACK_SUBIDS) {
return SNMPERR_GENERR;
}
if (thecallbacks[major][minor] != NULL) {
/* get to the end of the list */
for(scp = thecallbacks[major][minor]; scp->next != NULL; scp = scp->next);
/* mallocate a new entry */
scp->next = SNMP_MALLOC_STRUCT(snmp_gen_callback);
scp = scp->next;
} else {
/* mallocate a new entry */
scp = SNMP_MALLOC_STRUCT(snmp_gen_callback);
/* make the new node the head */
thecallbacks[major][minor] = scp;
}
if (scp == NULL)
return SNMPERR_GENERR;
scp->sc_client_arg = arg;
scp->sc_callback = new_callback;
DEBUGMSGTL(("callback","registered callback for maj=%d min=%d\n",
major, minor));
return SNMPERR_SUCCESS;
}
static void
netsnmp_register_user_target(const char* token, char* cptr)
{
struct netsnmp_lookup_target *run = targets, *prev = NULL;
size_t len = strlen(cptr) + 1;
char* application = (char*)malloc(len);
char* domain = (char*)malloc(len);
char* target = (char*)malloc(len);
int i = 0;
{
char* cp = copy_nword(cptr, application, len);
cp = copy_nword(cp, domain, len);
cp = copy_nword(cp, target, len);
if (cp)
config_pwarn("Trailing junk found");
}
while (run && ((i = strcmp(run->application, application)) < 0 ||
(i == 0 && strcmp(run->domain, domain) < 0))) {
prev = run;
run = run->next;
}
if (run && i == 0 && strcmp(run->domain, domain) == 0) {
if (run->userTarget != NULL) {
config_perror("Default target already registered for this "
"application-domain combination");
goto done;
}
} else {
run = SNMP_MALLOC_STRUCT(netsnmp_lookup_target);
run->application = strdup(application);
run->domain = strdup(domain);
run->target = NULL;
if (prev) {
run->next = prev->next;
prev->next = run;
} else {
run->next = targets;
targets = run;
}
}
run->userTarget = strdup(target);
done:
free(target);
free(domain);
free(application);
}
/**
* @fn struct ss7OmMIB_data *ss7OmMIB_duplicate(struct ss7OmMIB_data *thedata)
* @param thedata the mib structure to duplicate
* @brief duplicate a mib structure for the mib
*
* Duplicates the specified mib structure @param thedata and returns a pointer to the newly
* allocated mib structure on success, or NULL on failure.
*/
struct ss7OmMIB_data *
ss7OmMIB_duplicate(struct ss7OmMIB_data *thedata)
{
struct ss7OmMIB_data *StorageNew = SNMP_MALLOC_STRUCT(ss7OmMIB_data);
DEBUGMSGTL(("ss7OmMIB", "ss7OmMIB_duplicate: duplicating mib... "));
if (StorageNew != NULL) {
}
done:
DEBUGMSGTL(("ss7OmMIB", "done.\n"));
return (StorageNew);
goto destroy;
destroy:
ss7OmMIB_destroy(&StorageNew);
goto done;
}
void
init_ksm(void)
{
krb5_error_code retval;
struct snmp_secmod_def *def;
int i;
netsnmp_ds_register_config(ASN_OCTET_STR, "snmp", "defKSMKeytab",
NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_KSM_KEYTAB);
netsnmp_ds_register_config(ASN_OCTET_STR, "snmp", "defKSMServiceName",
NETSNMP_DS_LIBRARY_ID,
NETSNMP_DS_LIB_KSM_SERVICE_NAME);
snmp_register_callback(SNMP_CALLBACK_LIBRARY,
SNMP_CALLBACK_POST_READ_CONFIG,
init_snmpksm_post_config, NULL);
if (kcontext == NULL) {
retval = krb5_init_context(&kcontext);
if (retval) {
DEBUGMSGTL(("ksm", "krb5_init_context failed (%s), not "
"registering KSM\n", error_message(retval)));
return;
}
}
for (i = 0; i < HASHSIZE; i++)
ksm_hash_table[i] = NULL;
def = SNMP_MALLOC_STRUCT(snmp_secmod_def);
if (!def) {
DEBUGMSGTL(("ksm", "Unable to malloc snmp_secmod struct, not "
"registering KSM\n"));
return;
}
def->encode_reverse = ksm_rgenerate_out_msg;
def->decode = ksm_process_in_msg;
def->session_open = ksm_session_init;
def->pdu_free_state_ref = ksm_free_state_ref;
def->pdu_free = ksm_free_pdu;
def->pdu_clone = ksm_clone_pdu;
register_sec_mod(2066432, "ksm", def);
}
/**
* @fn struct ss7OmMIB_data *ss7OmMIB_create(void)
* @brief create a fresh data structure representing scalars in ss7OmMIB.
*
* Creates a new ss7OmMIB_data structure by allocating dynamic memory for the structure and
* initializing the default values of scalars in ss7OmMIB.
*/
struct ss7OmMIB_data *
ss7OmMIB_create(void)
{
struct ss7OmMIB_data *StorageNew = SNMP_MALLOC_STRUCT(ss7OmMIB_data);
DEBUGMSGTL(("ss7OmMIB", "ss7OmMIB_create: creating scalars... "));
if (StorageNew != NULL) {
/* XXX: fill in default scalar values here into StorageNew */
}
done:
DEBUGMSGTL(("ss7OmMIB", "done.\n"));
return (StorageNew);
goto nomem;
nomem:
ss7OmMIB_destroy(&StorageNew);
goto done;
}
struct expObjectTable_data *
create_expObjectTable_data(void)
{
struct expObjectTable_data *StorageNew;
StorageNew = SNMP_MALLOC_STRUCT(expObjectTable_data);
/*
* fill in default row values here into StorageNew
*/
/*
* fill in values for all tables (even if not
* appropriate), since its easier to do here than anywhere
* else
*/
StorageNew->expObjectIDWildcard = EXPOBJCETIDWILDCARD_FALSE;
StorageNew->expObjectSampleType = EXPOBJCETSAMPLETYPE_ABSOLUTEVALUE;
StorageNew->expObjectDeltaDiscontinuityID =
netsnmp_memdup(TimeInstance, sizeof(TimeInstance));
StorageNew->expObjectDeltaDiscontinuityIDLen =
sizeof(TimeInstance) / sizeof(oid);
StorageNew->expObjectDiscontinuityIDWildcard =
EXPOBJCETDISCONTINUITYIDWILDCARD_FALSE;
StorageNew->expObjectDiscontinuityIDType =
EXPOBJECTDISCONTINUITYIDTYPE_TIMETICKS;
StorageNew->expObjectConditional = calloc(1, sizeof(oid) * 2); /* 0.0 */
StorageNew->expObjectConditionalLen = 2;
StorageNew->expObjectID = calloc(1, sizeof(oid) * 2); /* 0.0 */
StorageNew->expObjectIDLen = 2;
StorageNew->expObjectConditionalWildcard =
EXPOBJECTCONDITIONALWILDCARD_FALSE;
StorageNew->storageType = ST_NONVOLATILE;
return StorageNew;
}
int
netsnmp_register_default_target(const char* application, const char* domain,
const char* target)
{
struct netsnmp_lookup_target *run = targets, *prev = NULL;
int i = 0, res = 0;
while (run && ((i = strcmp(run->application, application)) < 0 ||
(i == 0 && strcmp(run->domain, domain) < 0))) {
prev = run;
run = run->next;
}
if (run && i == 0 && strcmp(run->domain, domain) == 0) {
if (run->target != NULL) {
free(run->target);
run->target = NULL;
res = 1;
}
} else {
run = SNMP_MALLOC_STRUCT(netsnmp_lookup_target);
run->application = strdup(application);
run->domain = strdup(domain);
run->userTarget = NULL;
if (prev) {
run->next = prev->next;
prev->next = run;
} else {
run->next = targets;
targets = run;
}
}
if (target) {
run->target = strdup(target);
} else if (run->userTarget == NULL) {
if (prev)
prev->next = run->next;
else
targets = run->next;
free(run->domain);
free(run->application);
free(run);
}
return res;
}
int
netsnmp_register_callback(int major, int minor, SNMPCallback * new_callback,
void *arg, int priority)
{
struct snmp_gen_callback *newscp = NULL, *scp = NULL;
struct snmp_gen_callback **prevNext = &(thecallbacks[major][minor]);
if (major >= MAX_CALLBACK_IDS || minor >= MAX_CALLBACK_SUBIDS) {
return SNMPERR_GENERR;
}
if (_callback_need_init)
init_callbacks();
_callback_lock(major,minor, "netsnmp_register_callback", 1);
if ((newscp = SNMP_MALLOC_STRUCT(snmp_gen_callback)) == NULL) {
_callback_unlock(major,minor);
return SNMPERR_GENERR;
} else {
newscp->priority = priority;
newscp->sc_client_arg = arg;
newscp->sc_callback = new_callback;
newscp->next = NULL;
for (scp = thecallbacks[major][minor]; scp != NULL;
scp = scp->next) {
if (newscp->priority < scp->priority) {
newscp->next = scp;
break;
}
prevNext = &(scp->next);
}
*prevNext = newscp;
DEBUGMSGTL(("callback", "registered (%d,%d) at %p with priority %d\n",
major, minor, newscp, priority));
_callback_unlock(major,minor);
return SNMPERR_SUCCESS;
}
}
int
se_add_pair_to_slist(const char *listname, char *label, int value)
{
struct snmp_enum_list *list = se_find_slist(listname);
int created = (list) ? 1 : 0;
int ret = se_add_pair_to_list(&list, label, value);
if (!created) {
struct snmp_enum_list_str *sptr =
SNMP_MALLOC_STRUCT(snmp_enum_list_str);
if (!sptr) {
free_enum_list(list);
return SE_NOMEM;
}
sptr->next = sliststorage;
sptr->name = strdup(listname);
sptr->list = list;
sliststorage = sptr;
}
return ret;
}
struct expValueTable_data *
create_expValueTable_data(void)
{
struct expValueTable_data *StorageNew;
StorageNew = SNMP_MALLOC_STRUCT(expValueTable_data);
/*
* fill in default row values here into StorageNew
*/
/*
* fill in values for all tables (even if not
* appropriate), since its easier to do here than anywhere
* else
*/
StorageNew->expExpressionOwner = strdup("");
StorageNew->expExpressionName = strdup("");
StorageNew->expValueInstance = calloc(1, sizeof(oid) * sizeof(2)); /* 0.0.0 */
StorageNew->expValueInstanceLen = 3;
return StorageNew;
}
int
netsnmp_register_default_domain(const char* application, const char* domain)
{
struct netsnmp_lookup_domain *run = domains, *prev = NULL;
int res = 0;
while (run != NULL && strcmp(run->application, application) < 0) {
prev = run;
run = run->next;
}
if (run && strcmp(run->application, application) == 0) {
if (run->domain != NULL) {
destroy_word_array(run->domain);
run->domain = NULL;
res = 1;
}
} else {
run = SNMP_MALLOC_STRUCT(netsnmp_lookup_domain);
run->application = strdup(application);
run->userDomain = NULL;
if (prev) {
run->next = prev->next;
prev->next = run;
} else {
run->next = domains;
domains = run;
}
}
if (domain) {
run->domain = create_word_array(domain);
} else if (run->userDomain == NULL) {
if (prev)
prev->next = run->next;
else
domains = run->next;
free(run->application);
free(run);
}
return res;
}
static void
netsnmp_register_user_domain(const char* token, char* cptr)
{
struct netsnmp_lookup_domain *run = domains, *prev = NULL;
size_t len = strlen(cptr) + 1;
char* application = (char*)malloc(len);
char** domain;
{
char* cp = copy_nword(cptr, application, len);
domain = create_word_array(cp);
}
while (run != NULL && strcmp(run->application, application) < 0) {
prev = run;
run = run->next;
}
if (run && strcmp(run->application, application) == 0) {
if (run->userDomain != NULL) {
config_perror("Default transport already registered for this "
"application");
destroy_word_array(domain);
free(application);
return;
}
} else {
run = SNMP_MALLOC_STRUCT(netsnmp_lookup_domain);
run->application = strdup(application);
run->domain = NULL;
if (prev) {
run->next = prev->next;
prev->next = run;
} else {
run->next = domains;
domains = run;
}
}
run->userDomain = domain;
free(application);
}
int
write_snmpNotifyRowStatus(int action,
u_char * var_val,
u_char var_val_type,
size_t var_val_len,
u_char * statP, oid * name, size_t name_len)
{
struct snmpNotifyTable_data *StorageTmp = NULL;
static struct snmpNotifyTable_data *StorageDel;
size_t newlen =
name_len - (sizeof(snmpNotifyTable_variables_oid) / sizeof(oid) +
3 - 1);
static int old_value;
int set_value = *((long *) var_val);
static netsnmp_variable_list *vars, *vp;
struct header_complex_index *hciptr;
DEBUGMSGTL(("snmpNotifyTable",
"write_snmpNotifyRowStatus entering action=%d... \n",
action));
StorageTmp = (struct snmpNotifyTable_data *)
header_complex((struct header_complex_index *)
snmpNotifyTableStorage, NULL,
&name[sizeof(snmpNotifyTable_variables_oid) /
sizeof(oid) + 3 - 1], &newlen, 1, NULL, NULL);
switch (action) {
case RESERVE1:
if (var_val_type != ASN_INTEGER || var_val == NULL) {
return SNMP_ERR_WRONGTYPE;
}
if (var_val_len != sizeof(long)) {
return SNMP_ERR_WRONGLENGTH;
}
if (set_value < 1 || set_value > 6 || set_value == RS_NOTREADY) {
return SNMP_ERR_WRONGVALUE;
}
if (StorageTmp == NULL) {
/*
* create the row now?
*/
/*
* ditch illegal values now
*/
if (set_value == RS_ACTIVE || set_value == RS_NOTINSERVICE) {
return SNMP_ERR_INCONSISTENTVALUE;
}
} else {
/*
* row exists. Check for a valid state change
*/
if (set_value == RS_CREATEANDGO
|| set_value == RS_CREATEANDWAIT) {
/*
* can't create a row that exists
*/
return SNMP_ERR_INCONSISTENTVALUE;
}
/*
* XXX: interaction with row storage type needed
*/
}
/*
* memory reseveration, final preparation...
*/
if (StorageTmp == NULL &&
(set_value == RS_CREATEANDGO
|| set_value == RS_CREATEANDWAIT)) {
/*
* creation
*/
vars = NULL;
snmp_varlist_add_variable(&vars, NULL, 0, ASN_PRIV_IMPLIED_OCTET_STR, NULL, 0); /* snmpNotifyName */
if (header_complex_parse_oid
(&
(name
[sizeof(snmpNotifyTable_variables_oid) / sizeof(oid) +
2]), newlen, vars) != SNMPERR_SUCCESS) {
/*
* XXX: free, zero vars
*/
snmp_free_var(vars);
return SNMP_ERR_INCONSISTENTNAME;
}
vp = vars;
StorageNew = SNMP_MALLOC_STRUCT(snmpNotifyTable_data);
if (StorageNew == NULL) {
return SNMP_ERR_RESOURCEUNAVAILABLE;
}
memdup((u_char **) & (StorageNew->snmpNotifyName),
vp->val.string, vp->val_len);
if (StorageNew->snmpNotifyName == NULL) {
return SNMP_ERR_RESOURCEUNAVAILABLE;
}
StorageNew->snmpNotifyNameLen = vp->val_len;
vp = vp->next_variable;
/*
* default values
*/
StorageNew->snmpNotifyStorageType = ST_NONVOLATILE;
StorageNew->snmpNotifyType = SNMPNOTIFYTYPE_TRAP;
StorageNew->snmpNotifyTagLen = 0;
StorageNew->snmpNotifyTag = (char *) calloc(sizeof(char), 1);
if (StorageNew->snmpNotifyTag == NULL) {
return SNMP_ERR_RESOURCEUNAVAILABLE;
}
StorageNew->snmpNotifyRowStatus = set_value;
snmp_free_var(vars);
}
break;
case RESERVE2:
break;
case FREE:
if (StorageNew != NULL) {
SNMP_FREE(StorageNew->snmpNotifyTag);
SNMP_FREE(StorageNew->snmpNotifyName);
free(StorageNew);
StorageNew = NULL;
}
break;
case ACTION:
if (StorageTmp == NULL && (set_value == RS_CREATEANDGO ||
set_value == RS_CREATEANDWAIT)) {
/*
* row creation, so add it
*/
if (StorageNew != NULL) {
snmpNotifyTable_add(StorageNew);
}
} else if (set_value != RS_DESTROY) {
/*
* set the flag?
*/
old_value = StorageTmp->snmpNotifyRowStatus;
StorageTmp->snmpNotifyRowStatus = *((long *) var_val);
} else {
/*
* destroy... extract it for now
*/
if (StorageTmp) {
hciptr = header_complex_find_entry(snmpNotifyTableStorage,
StorageTmp);
StorageDel = (struct snmpNotifyTable_data *)
header_complex_extract_entry((struct
header_complex_index **)
&snmpNotifyTableStorage,
hciptr);
}
}
break;
case UNDO:
/*
* Back out any changes made in the ACTION case
*/
if (StorageTmp == NULL && (set_value == RS_CREATEANDGO ||
set_value == RS_CREATEANDWAIT)) {
/*
* row creation, so remove it again
*/
hciptr = header_complex_find_entry(snmpNotifyTableStorage,
StorageNew);
StorageDel = (struct snmpNotifyTable_data *)
header_complex_extract_entry((struct header_complex_index
**) &snmpNotifyTableStorage,
hciptr);
/*
* XXX: free it
*/
} else if (StorageDel != NULL) {
/*
* row deletion, so add it again
*/
snmpNotifyTable_add(StorageDel);
} else if (set_value != RS_DESTROY) {
StorageTmp->snmpNotifyRowStatus = old_value;
}
break;
case COMMIT:
if (StorageDel != NULL) {
SNMP_FREE(StorageDel->snmpNotifyTag);
SNMP_FREE(StorageDel->snmpNotifyName);
free(StorageDel);
StorageDel = NULL;
}
if (StorageTmp
&& StorageTmp->snmpNotifyRowStatus == RS_CREATEANDGO) {
StorageTmp->snmpNotifyRowStatus = RS_ACTIVE;
StorageNew = NULL;
} else if (StorageTmp &&
StorageTmp->snmpNotifyRowStatus == RS_CREATEANDWAIT) {
StorageTmp->snmpNotifyRowStatus = RS_NOTINSERVICE;
StorageNew = NULL;
}
break;
}
return SNMP_ERR_NOERROR;
}
int
notifyTable_register_notifications(int major, int minor,
void *serverarg, void *clientarg)
{
struct targetAddrTable_struct *ptr;
struct targetParamTable_struct *pptr;
struct snmpNotifyTable_data *nptr;
int confirm, i;
char buf[SNMP_MAXBUF_SMALL];
netsnmp_transport *t = NULL;
struct agent_add_trap_args *args =
(struct agent_add_trap_args *) serverarg;
netsnmp_session *ss;
if (!args || !(args->ss)) {
return (0);
}
confirm = args->confirm;
ss = args->ss;
/*
* XXX: START move target creation to target code
*/
for (i = 0; i < MAX_ENTRIES; i++) {
sprintf(buf, "internal%d", i);
if (get_addrForName(buf) == NULL && get_paramEntry(buf) == NULL)
break;
}
if (i == MAX_ENTRIES) {
snmp_log(LOG_ERR,
"Can't register new trap destination: max limit reached: %d",
MAX_ENTRIES);
snmp_sess_close(ss);
return (0);
}
/*
* address
*/
ptr = snmpTargetAddrTable_create();
ptr->name = strdup(buf);
t = snmp_sess_transport(snmp_sess_pointer(ss));
memcpy(ptr->tDomain, t->domain, t->domain_length * sizeof(oid));
ptr->tDomainLen = t->domain_length;
ptr->tAddressLen = t->remote_length;
ptr->tAddress = t->remote;
ptr->timeout = ss->timeout / 1000;
ptr->retryCount = ss->retries;
SNMP_FREE(ptr->tagList);
ptr->tagList = strdup(ptr->name);
ptr->params = strdup(ptr->name);
ptr->storageType = ST_READONLY;
ptr->rowStatus = RS_ACTIVE;
ptr->sess = ss;
DEBUGMSGTL(("trapsess", "adding to trap table\n"));
snmpTargetAddrTable_add(ptr);
/*
* param
*/
pptr = snmpTargetParamTable_create();
pptr->paramName = strdup(buf);
pptr->mpModel = ss->version;
if (ss->version == SNMP_VERSION_3) {
pptr->secModel = ss->securityModel;
pptr->secLevel = ss->securityLevel;
pptr->secName = (char *) malloc(ss->securityNameLen + 1);
memcpy((void *) pptr->secName, (void *) ss->securityName,
ss->securityNameLen);
pptr->secName[ss->securityNameLen] = 0;
} else {
pptr->secModel = ss->version == SNMP_VERSION_1 ?
SNMP_SEC_MODEL_SNMPv1 : SNMP_SEC_MODEL_SNMPv2c;
pptr->secLevel = SNMP_SEC_LEVEL_NOAUTH;
pptr->secName = NULL;
if (ss->community && (ss->community_len > 0)) {
pptr->secName = (char *) malloc(ss->community_len + 1);
memcpy((void *) pptr->secName, (void *) ss->community,
ss->community_len);
pptr->secName[ss->community_len] = 0;
}
}
pptr->storageType = ST_READONLY;
pptr->rowStatus = RS_ACTIVE;
snmpTargetParamTable_add(pptr);
/*
* XXX: END move target creation to target code
*/
/*
* notify table
*/
nptr = SNMP_MALLOC_STRUCT(snmpNotifyTable_data);
nptr->snmpNotifyName = strdup(buf);
nptr->snmpNotifyNameLen = strlen(buf);
nptr->snmpNotifyTag = strdup(buf);
nptr->snmpNotifyTagLen = strlen(buf);
nptr->snmpNotifyType = confirm ?
SNMPNOTIFYTYPE_INFORM : SNMPNOTIFYTYPE_TRAP;
nptr->snmpNotifyStorageType = ST_READONLY;
nptr->snmpNotifyRowStatus = RS_ACTIVE;
snmpNotifyTable_add(nptr);
return 0;
}
/** handles requests for the ipCidrRouteTable table, if anything else
needs to be done */
int
ipCidrRouteTable_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 *table_info;
netsnmp_variable_list *var;
void *data_context;
oid *suffix;
size_t suffix_len;
/** column and row index encoded portion */
suffix = requests->requestvb->name + reginfo->rootoid_len + 1;
suffix_len = requests->requestvb->name_length -
(reginfo->rootoid_len + 1);
for (request = requests; request; request = request->next) {
var = request->requestvb;
if (request->processed != 0)
continue;
data_context = netsnmp_extract_iterator_context(request);
if (data_context == NULL) {
if (reqinfo->mode == MODE_GET) {
netsnmp_set_request_error(reqinfo, request,
SNMP_NOSUCHINSTANCE);
continue;
}
/** XXX: no row existed, if you support creation and this is a
set, start dealing with it here, else continue */
}
/** extracts the information about the table from the request */
table_info = netsnmp_extract_table_info(request);
/** table_info->colnum contains the column number requested */
/** table_info->indexes contains a linked list of snmp variable
bindings for the indexes of the table. Values in the list
have been set corresponding to the indexes of the
request */
if (table_info == NULL) {
continue;
}
switch (reqinfo->mode) {
case MODE_GET:
switch (table_info->colnum) {
case COLUMN_IPCIDRROUTEDEST:
{
u_long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteDest(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_IPADDRESS,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTEMASK:
{
u_long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteMask(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_IPADDRESS,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTETOS:
{
long *retval;
size_t retval_len = 0;
retval = get_ipCidrRouteTos(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTENEXTHOP:
{
u_long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteNextHop(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_IPADDRESS,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTEIFINDEX:
{
long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteIfIndex(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTETYPE:
{
long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteType(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTEPROTO:
{
long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteProto(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTEAGE:
{
long *retval;
size_t retval_len = 0;
retval = get_ipCidrRouteAge(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTEINFO:
{
oid *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteInfo(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_OBJECT_ID,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTENEXTHOPAS:
{
long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteNextHopAS(data_context,
&retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTEMETRIC1:
{
long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteMetric1(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTEMETRIC2:
{
long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteMetric2(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTEMETRIC3:
{
long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteMetric3(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTEMETRIC4:
{
long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteMetric4(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTEMETRIC5:
{
long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteMetric5(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_IPCIDRROUTESTATUS:
{
long *retval;
size_t retval_len = 0;
retval =
get_ipCidrRouteStatus(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
default:
/** We shouldn't get here */
snmp_log(LOG_ERR,
"problem encountered in ipCidrRouteTable_handler: unknown column\n");
}
break;
case MODE_SET_RESERVE1:
/** mib2cXXX: clear out old undo info if we have any. Remove if
table_iterator becomes un-serialized */
netsnmp_oid_stash_free(&undoStorage, free_undoInfo);
switch (table_info->colnum) {
case COLUMN_IPCIDRROUTEIFINDEX:
{
int ret =
check_ipCidrRouteIfIndex(request->requestvb->type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTETYPE:
{
int ret =
check_ipCidrRouteType(request->requestvb->type,
(long *) request->requestvb->
val.string,
request->requestvb->val_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEINFO:
{
int ret =
check_ipCidrRouteInfo(request->requestvb->type,
(oid *) request->requestvb->
val.string,
request->requestvb->val_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTENEXTHOPAS:
{
int ret =
check_ipCidrRouteNextHopAS(request->requestvb->
type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC1:
{
int ret =
check_ipCidrRouteMetric1(request->requestvb->type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC2:
{
int ret =
check_ipCidrRouteMetric2(request->requestvb->type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC3:
{
int ret =
check_ipCidrRouteMetric3(request->requestvb->type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC4:
{
int ret =
check_ipCidrRouteMetric4(request->requestvb->type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC5:
{
int ret =
check_ipCidrRouteMetric5(request->requestvb->type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTESTATUS:
{
int ret =
check_ipCidrRouteStatus(request->requestvb->type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
default:
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_NOTWRITABLE);
break;
}
break;
case MODE_SET_RESERVE2:
/** save a variable copy */
switch (table_info->colnum) {
case COLUMN_IPCIDRROUTEIFINDEX:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui;
retval =
get_ipCidrRouteIfIndex(data_context, &retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_IPCIDRROUTETYPE:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui;
retval =
get_ipCidrRouteType(data_context, &retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_IPCIDRROUTEINFO:
{
oid *retval;
size_t retval_len = 0;
struct undoInfo *ui;
retval =
get_ipCidrRouteInfo(data_context, &retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_IPCIDRROUTENEXTHOPAS:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui;
retval =
get_ipCidrRouteNextHopAS(data_context,
&retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC1:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui;
retval =
get_ipCidrRouteMetric1(data_context, &retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC2:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui;
retval =
get_ipCidrRouteMetric2(data_context, &retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC3:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui;
retval =
get_ipCidrRouteMetric3(data_context, &retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC4:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui;
retval =
get_ipCidrRouteMetric4(data_context, &retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC5:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui;
retval =
get_ipCidrRouteMetric5(data_context, &retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_IPCIDRROUTESTATUS:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui;
retval =
get_ipCidrRouteStatus(data_context, &retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
}
break;
case MODE_SET_FREE:
/** Forget undo data, if exists */
netsnmp_oid_stash_free(&undoStorage, free_undoInfo);
break;
case MODE_SET_ACTION:
/** save a variable copy */
switch (table_info->colnum) {
case COLUMN_IPCIDRROUTEIFINDEX:
{
int ret =
set_ipCidrRouteIfIndex(data_context,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTETYPE:
{
int ret = set_ipCidrRouteType(data_context,
(long *)
request->
requestvb->
val.string,
request->
requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEINFO:
{
int ret = set_ipCidrRouteInfo(data_context,
(oid *)
request->
requestvb->
val.string,
request->
requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTENEXTHOPAS:
{
int ret =
set_ipCidrRouteNextHopAS(data_context,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC1:
{
int ret =
set_ipCidrRouteMetric1(data_context,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC2:
{
int ret =
set_ipCidrRouteMetric2(data_context,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC3:
{
int ret =
set_ipCidrRouteMetric3(data_context,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC4:
{
int ret =
set_ipCidrRouteMetric4(data_context,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC5:
{
int ret =
set_ipCidrRouteMetric5(data_context,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
case COLUMN_IPCIDRROUTESTATUS:
{
int ret =
set_ipCidrRouteStatus(data_context,
(long *) request->requestvb->
val.string,
request->requestvb->val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, requests, ret);
}
}
break;
}
break;
case MODE_SET_COMMIT:
/** answers were all good. Forget undo data */
netsnmp_oid_stash_free(&undoStorage, free_undoInfo);
/** mib2cXXX: call commit hook */
break;
case MODE_SET_UNDO:
/** save a variable copy */
switch (table_info->colnum) {
case COLUMN_IPCIDRROUTEIFINDEX:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_ipCidrRouteIfIndex(data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_IPCIDRROUTETYPE:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_ipCidrRouteType(data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_IPCIDRROUTEINFO:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_ipCidrRouteInfo(data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_IPCIDRROUTENEXTHOPAS:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_ipCidrRouteNextHopAS(data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC1:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_ipCidrRouteMetric1(data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC2:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_ipCidrRouteMetric2(data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC3:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_ipCidrRouteMetric3(data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC4:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_ipCidrRouteMetric4(data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_IPCIDRROUTEMETRIC5:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_ipCidrRouteMetric5(data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_IPCIDRROUTESTATUS:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_ipCidrRouteStatus(data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, requests,
SNMP_ERR_UNDOFAILED);
}
}
break;
}
/** mib2cXXX: remove cache! hard to do when serialized, however */
break;
default:
snmp_log(LOG_ERR,
"problem encountered in ipCidrRouteTable_handler: unsupported mode\n");
}
}
return SNMP_ERR_NOERROR;
}
/** handles requests for the netSnmpHostsTable table, if anything else needs to be done */
int
netSnmpHostsTable_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 *table_info;
struct commitInfo *ci = NULL;
void *data_context = NULL;
for (request = requests; request; request = request->next) {
/* column and row index encoded portion */
netsnmp_variable_list *var = request->requestvb;
const oid * const suffix = var->name + reginfo->rootoid_len + 1;
const size_t suffix_len = var->name_length - (reginfo->rootoid_len + 1);
if (request->processed != 0)
continue;
switch (reqinfo->mode) {
case MODE_GET:
case MODE_SET_RESERVE1:
data_context = netsnmp_extract_iterator_context(request);
if (data_context == NULL) {
if (reqinfo->mode == MODE_GET) {
netsnmp_set_request_error(reqinfo, request,
SNMP_NOSUCHINSTANCE);
continue;
}
}
break;
default: /* == the other SET modes */
ci = netsnmp_oid_stash_get_data(commitStorage,
suffix + 1, suffix_len - 1);
break;
}
/** extracts the information about the table from the request */
table_info = netsnmp_extract_table_info(request);
/** table_info->colnum contains the column number requested */
/** table_info->indexes contains a linked list of snmp variable
bindings for the indexes of the table. Values in the list
have been set corresponding to the indexes of the
request */
if (table_info == NULL) {
continue;
}
switch (reqinfo->mode) {
case MODE_GET:
switch (table_info->colnum) {
case COLUMN_NETSNMPHOSTADDRESSTYPE:
{
long *retval;
size_t retval_len = 0;
retval =
get_netSnmpHostAddressType(data_context,
&retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_NETSNMPHOSTADDRESS:
{
char *retval;
size_t retval_len = 0;
retval =
get_netSnmpHostAddress(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_OCTET_STR,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_NETSNMPHOSTSTORAGE:
{
long *retval;
size_t retval_len = 0;
retval =
get_netSnmpHostStorage(data_context, &retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
case COLUMN_NETSNMPHOSTROWSTATUS:
{
long *retval;
size_t retval_len = 0;
retval =
get_netSnmpHostRowStatus(data_context,
&retval_len);
snmp_set_var_typed_value(var, ASN_INTEGER,
(const u_char *) retval,
retval_len);
}
break;
default:
/** We shouldn't get here */
snmp_log(LOG_ERR,
"problem encountered in netSnmpHostsTable_handler: unknown column\n");
}
break;
case MODE_SET_RESERVE1:
ci = netsnmp_oid_stash_get_data(commitStorage,
suffix + 1, suffix_len - 1);
if (!ci) {
/** create the commit storage info */
ci = SNMP_MALLOC_STRUCT(commitInfo);
if (!data_context) {
ci->data_context =
netSnmpHostsTable_create_data_context(table_info->
indexes);
ci->new_row = 1;
} else {
ci->data_context = data_context;
}
netsnmp_oid_stash_add_data(&commitStorage,
suffix + 1, suffix_len - 1, ci);
}
break;
case MODE_SET_RESERVE2:
switch (table_info->colnum) {
case COLUMN_NETSNMPHOSTADDRESSTYPE:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui = NULL;
int ret;
/** first, get the old value */
retval =
get_netSnmpHostAddressType(ci->data_context,
&retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
}
/** check the new value, possibly against the
older value for a valid state transition */
ret =
check_netSnmpHostAddressType(request->requestvb->
type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len, retval,
retval_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, request, ret);
netSnmpHostsTable_free_undoInfo(ui);
} else if (ui) {
/** remember information for undo purposes later */
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_NETSNMPHOSTADDRESS:
{
char *retval;
size_t retval_len = 0;
struct undoInfo *ui = NULL;
int ret;
/** first, get the old value */
retval =
get_netSnmpHostAddress(ci->data_context,
&retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
}
/** check the new value, possibly against the
older value for a valid state transition */
ret =
check_netSnmpHostAddress(request->requestvb->type,
(char *) request->
requestvb->val.string,
request->requestvb->
val_len, retval,
retval_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, request, ret);
netSnmpHostsTable_free_undoInfo(ui);
} else if (ui) {
/** remember information for undo purposes later */
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_NETSNMPHOSTSTORAGE:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui = NULL;
int ret;
/** first, get the old value */
retval =
get_netSnmpHostStorage(ci->data_context,
&retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
}
/** check the new value, possibly against the
older value for a valid state transition */
ret =
check_netSnmpHostStorage(request->requestvb->type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len, retval,
retval_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, request, ret);
netSnmpHostsTable_free_undoInfo(ui);
} else if (ui) {
/** remember information for undo purposes later */
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
case COLUMN_NETSNMPHOSTROWSTATUS:
{
long *retval;
size_t retval_len = 0;
struct undoInfo *ui = NULL;
int ret;
/** first, get the old value */
retval =
get_netSnmpHostRowStatus(ci->data_context,
&retval_len);
if (retval) {
ui = SNMP_MALLOC_STRUCT(undoInfo);
ui->len = retval_len;
memdup((u_char **) & ui->ptr,
(u_char *) retval, ui->len);
}
/** check the new value, possibly against the
older value for a valid state transition */
ret =
check_netSnmpHostRowStatus(request->requestvb->
type,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len, retval,
retval_len);
if (ret != 0) {
netsnmp_set_request_error(reqinfo, request, ret);
netSnmpHostsTable_free_undoInfo(ui);
} else if (ui) {
/** remember information for undo purposes later */
netsnmp_oid_stash_add_data(&undoStorage,
suffix, suffix_len, ui);
}
}
break;
default:
netsnmp_set_request_error(reqinfo, request,
SNMP_ERR_NOTWRITABLE);
break;
}
break;
case MODE_SET_ACTION:
/** save a variable copy */
switch (table_info->colnum) {
case COLUMN_NETSNMPHOSTADDRESSTYPE:
{
int ret;
ret = set_netSnmpHostAddressType(ci->data_context,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, request, ret);
}
}
break;
case COLUMN_NETSNMPHOSTADDRESS:
{
int ret;
ret = set_netSnmpHostAddress(ci->data_context,
(char *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, request, ret);
}
}
break;
case COLUMN_NETSNMPHOSTSTORAGE:
{
int ret;
ret = set_netSnmpHostStorage(ci->data_context,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, request, ret);
}
}
break;
case COLUMN_NETSNMPHOSTROWSTATUS:
{
int ret;
ret = set_netSnmpHostRowStatus(ci->data_context,
(long *) request->
requestvb->val.string,
request->requestvb->
val_len);
if (ret) {
netsnmp_set_request_error(reqinfo, request, ret);
}
if (*request->requestvb->val.integer == RS_DESTROY) {
ci->new_row = -1;
}
}
break;
}
break;
case MODE_SET_COMMIT:
if (!ci->have_committed) {
/** do this once per row only */
netSnmpHostsTable_commit_row(&ci->data_context,
ci->new_row);
ci->have_committed = 1;
}
break;
case MODE_SET_UNDO:
/** save a variable copy */
switch (table_info->colnum) {
case COLUMN_NETSNMPHOSTADDRESSTYPE:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_netSnmpHostAddressType(ci->data_context,
ui->ptr, ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, request,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_NETSNMPHOSTADDRESS:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_netSnmpHostAddress(ci->data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, request,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_NETSNMPHOSTSTORAGE:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_netSnmpHostStorage(ci->data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, request,
SNMP_ERR_UNDOFAILED);
}
}
break;
case COLUMN_NETSNMPHOSTROWSTATUS:
{
int retval;
struct undoInfo *ui;
ui = netsnmp_oid_stash_get_data(undoStorage,
suffix, suffix_len);
retval =
set_netSnmpHostRowStatus(ci->data_context, ui->ptr,
ui->len);
if (retval) {
netsnmp_set_request_error(reqinfo, request,
SNMP_ERR_UNDOFAILED);
}
}
break;
}
break;
case MODE_SET_FREE:
break;
default:
snmp_log(LOG_ERR,
"problem encountered in netSnmpHostsTable_handler: unsupported mode\n");
}
}
/** clean up after all requset processing has ended */
switch (reqinfo->mode) {
case MODE_SET_UNDO:
case MODE_SET_FREE:
case MODE_SET_COMMIT:
/** clear out the undo cache */
netsnmp_oid_stash_free(&undoStorage,
netSnmpHostsTable_free_undoInfo);
netsnmp_oid_stash_free(&commitStorage, netsnmp_oid_stash_no_free);
}
return SNMP_ERR_NOERROR;
}
struct header_complex_index *
header_complex_add_data_by_oid(struct header_complex_index **thedata,
oid * newoid, size_t newoid_len, void *data)
{
struct header_complex_index *hciptrn, *hciptrp, *ourself;
int rc;
if (thedata == NULL || newoid == NULL || data == NULL)
return NULL;
for (hciptrn = *thedata, hciptrp = NULL;
hciptrn != NULL; hciptrp = hciptrn, hciptrn = hciptrn->next) {
/*
* XXX: check for == and error (overlapping table entries)
* 8/2005 rks Ok, I added duplicate entry check, but only log
* warning and continue, because it seems that nobody
* that calls this fucntion does error checking!.
*/
rc = snmp_oid_compare(hciptrn->name, hciptrn->namelen,
newoid, newoid_len);
if (rc > 0)
break;
else if (0 == rc) {
snmp_log(LOG_WARNING, "header_complex_add_data_by_oid with "
"duplicate index.\n");
/** uncomment null return when callers do error checking */
/** return NULL; */
}
}
/*
* nptr should now point to the spot that we need to add ourselves
* in front of, and pptr should be our new 'prev'.
*/
/*
* create ourselves
*/
ourself = (struct header_complex_index *)
SNMP_MALLOC_STRUCT(header_complex_index);
if (ourself == NULL)
return NULL;
/*
* change our pointers
*/
ourself->prev = hciptrp;
ourself->next = hciptrn;
if (ourself->next)
ourself->next->prev = ourself;
if (ourself->prev)
ourself->prev->next = ourself;
ourself->data = data;
ourself->name = snmp_duplicate_objid(newoid, newoid_len);
ourself->namelen = newoid_len;
/*
* rewind to the head of the list and return it (since the new head
* could be us, we need to notify the above routine who the head now is.
*/
for (hciptrp = ourself; hciptrp->prev != NULL;
hciptrp = hciptrp->prev);
*thedata = hciptrp;
DEBUGMSGTL(("header_complex_add_data", "adding something...\n"));
return hciptrp;
}