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Add snmp_init_mib function to allow MIB tree to be reset using environment variables #21452

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Add snmp_init_mib function to allow MIB tree to be reset using environment variables #21452

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Add snmp_init_mib function to allow MIB tree to be reset using enviro…
eskyuu Mar 15, 2026
4912462
Fix to make the MIB tree re-initialisation work
eskyuu Mar 15, 2026
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11 changes: 11 additions & 0 deletions ext/snmp/snmp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1637,6 +1637,17 @@ PHP_FUNCTION(snmp_read_mib)
}
/* }}} */

/* {{{ Resets the MIB tree using the MIBDIRS, MIBS and MIBFILES environment variables. */
PHP_FUNCTION(snmp_init_mib)
{
// Destroy the old MIB tree and set the internal MIB directory list to NULL
shutdown_mib();
netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_MIBDIRS, NULL);
// Initialise the new MIB tree
init_mib();
}
/* }}} */

/* {{{ Creates a new SNMP session to specified host. */
PHP_METHOD(SNMP, __construct)
{
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2 changes: 2 additions & 0 deletions ext/snmp/snmp.stub.php
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Expand Up @@ -181,6 +181,8 @@ function snmp_get_valueretrieval(): int {}

function snmp_read_mib(string $filename): bool {}

function snmp_init_mib(): void {}

class SNMP
{
/** @cvalue SNMP_VERSION_1 */
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7 changes: 6 additions & 1 deletion ext/snmp/snmp_arginfo.h
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