diff options
Diffstat (limited to 'agent/mibgroup/disman/event/mteObjectsConf.c')
| -rw-r--r-- | agent/mibgroup/disman/event/mteObjectsConf.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/agent/mibgroup/disman/event/mteObjectsConf.c b/agent/mibgroup/disman/event/mteObjectsConf.c new file mode 100644 index 0000000..3f9293c --- /dev/null +++ b/agent/mibgroup/disman/event/mteObjectsConf.c @@ -0,0 +1,179 @@ +/* + * DisMan Event MIB: + * Implementation of the object table configure handling + */ + +#include <net-snmp/net-snmp-config.h> +#include <net-snmp/net-snmp-includes.h> +#include <net-snmp/agent/net-snmp-agent-includes.h> +#include <net-snmp/agent/agent_callbacks.h> +#include "disman/event/mteObjects.h" +#include "disman/event/mteObjectsConf.h" + + +/** Initializes the mteObjectsConf module */ +void +init_mteObjectsConf(void) +{ + init_objects_table_data(); + + /* + * Register config handlers for current and previous style + * persistent configuration directives + */ + snmpd_register_config_handler("_mteOTable", + parse_mteOTable, NULL, NULL); + snmpd_register_config_handler("mteObjectsTable", + parse_mteOTable, NULL, NULL); + /* + * Register to save (non-fixed) entries when the agent shuts down + */ + snmp_register_callback(SNMP_CALLBACK_LIBRARY, SNMP_CALLBACK_STORE_DATA, + store_mteOTable, NULL); + snmp_register_callback(SNMP_CALLBACK_APPLICATION, + SNMPD_CALLBACK_PRE_UPDATE_CONFIG, + clear_mteOTable, NULL); +} + + +void +parse_mteOTable(const char *token, char *line) +{ + char owner[MTE_STR1_LEN+1]; + char oname[MTE_STR1_LEN+1]; + void *vp; + u_long index; + size_t tmpint; + size_t len; + netsnmp_tdata_row *row; + struct mteObject *entry; + + DEBUGMSGTL(("disman:event:conf", "Parsing mteObjectTable config... ")); + + /* + * Read in the index information for this entry + * and create a (non-fixed) data structure for it. + */ + memset( owner, 0, sizeof(owner)); + memset( oname, 0, sizeof(oname)); + len = MTE_STR1_LEN; vp = owner; + line = read_config_read_data(ASN_OCTET_STR, line, &vp, &len); + len = MTE_STR1_LEN; vp = oname; + line = read_config_read_data(ASN_OCTET_STR, line, &vp, &len); + line = read_config_read_data(ASN_UNSIGNED, line, &index, &len); + + DEBUGMSG(("disman:event:conf", "(%s, %s, %d) ", owner, oname, index)); + + row = mteObjects_createEntry( owner, oname, index, 0 ); + /* entry = (struct mteObject *)netsnmp_tdata_row_entry( row ); */ + entry = (struct mteObject *)row->data; + + + /* + * Read in the accessible column values + */ + entry->mteObjectID_len = MAX_OID_LEN; + vp = entry->mteObjectID; + line = read_config_read_data(ASN_OBJECT_ID, line, &vp, + &entry->mteObjectID_len); + + if (!strcasecmp(token, "mteObjectsTable")) { + /* + * The previous Event-MIB implementation saved + * these fields as separate (integer) values + * Accept this (for backwards compatability) + */ + line = read_config_read_data(ASN_UNSIGNED, line, &tmpint, &len); + if (tmpint == TV_TRUE) + entry->flags |= MTE_OBJECT_FLAG_WILD; + line = read_config_read_data(ASN_UNSIGNED, line, &tmpint, &len); + if (tmpint == RS_ACTIVE) + entry->flags |= MTE_OBJECT_FLAG_ACTIVE; + } else { + /* + * This implementation saves the (relevant) flag bits directly + */ + line = read_config_read_data(ASN_UNSIGNED, line, &tmpint, &len); + if (tmpint & MTE_OBJECT_FLAG_WILD) + entry->flags |= MTE_OBJECT_FLAG_WILD; + if (tmpint & MTE_OBJECT_FLAG_ACTIVE) + entry->flags |= MTE_OBJECT_FLAG_ACTIVE; + } + + entry->flags |= MTE_OBJECT_FLAG_VALID; + + DEBUGMSG(("disman:event:conf", "\n")); +} + + + +int +store_mteOTable(int majorID, int minorID, void *serverarg, void *clientarg) +{ + char line[SNMP_MAXBUF]; + char *cptr; + void *vp; + size_t tint; + netsnmp_tdata_row *row; + struct mteObject *entry; + + + DEBUGMSGTL(("disman:event:conf", "Storing mteObjectTable config:\n")); + + for (row = netsnmp_tdata_row_first( objects_table_data ); + row; + row = netsnmp_tdata_row_next( objects_table_data, row )) { + + /* + * Skip entries that were set up via static config directives + */ + entry = (struct mteObject *)netsnmp_tdata_row_entry( row ); + if ( entry->flags & MTE_OBJECT_FLAG_FIXED ) + continue; + + DEBUGMSGTL(("disman:event:conf", " Storing (%s %s %d)\n", + entry->mteOwner, entry->mteOName, entry->mteOIndex)); + memset(line, 0, sizeof(line)); + strcat(line, "_mteOTable "); + cptr = line + strlen(line); + + vp = entry->mteOwner; tint = strlen( vp ); + cptr = read_config_store_data(ASN_OCTET_STR, cptr, &vp, &tint ); + vp = entry->mteOName; tint = strlen( vp ); + cptr = read_config_store_data(ASN_OCTET_STR, cptr, &vp, &tint ); + cptr = read_config_store_data(ASN_UNSIGNED, cptr, + &entry->mteOIndex, NULL); + vp = entry->mteObjectID; + cptr = read_config_store_data(ASN_OBJECT_ID, cptr, &vp, + &entry->mteObjectID_len); + tint = entry->flags & (MTE_OBJECT_FLAG_WILD|MTE_OBJECT_FLAG_ACTIVE); + cptr = read_config_store_data(ASN_UNSIGNED, cptr, &tint, NULL); + snmpd_store_config(line); + } + + DEBUGMSGTL(("disman:event:conf", " done.\n")); + return SNMPERR_SUCCESS; +} + +int +clear_mteOTable(int majorID, int minorID, void *serverarg, void *clientarg) +{ + netsnmp_tdata_row *row; + netsnmp_variable_list owner_var; + + /* + * We're only interested in entries set up via the config files + */ + memset( &owner_var, 0, sizeof(netsnmp_variable_list)); + snmp_set_var_typed_value( &owner_var, ASN_OCTET_STR, + "snmpd.conf", strlen("snmpd.conf")); + while (( row = netsnmp_tdata_row_next_byidx( objects_table_data, + &owner_var ))) { + /* + * XXX - check for owner of "snmpd.conf" + * and break at the end of these + */ + netsnmp_tdata_remove_and_delete_row( objects_table_data, row ); + } + return SNMPERR_SUCCESS; +} |