snmp/agent/agent.c

43 #include "pdu.h"
95 static int agent_get_next(SNMP_pdu *pdu, char *error_label);
97 static int agent_get(SNMP_pdu *pdu, char *error_label);
98 static int agent_set(int pass, SNMP_pdu *pdu, char *error_label);
104 /*	0 in case of success (the pdu should be sent	*/
107 /*	-1 in case of failure (no pdu should be sent	*/
110 int agent_process(Address *address, SNMP_pdu *pdu)
116 	if(pdu == NULL)
118 		error("BUG: agent_process(): pdu is NULL");
152 	/* check pdu type */
153 	if(pdu->type != GETNEXT_REQ_MSG
154 		&& (pdu->type != GET_REQ_MSG)
155 		&& (pdu->type != SET_REQ_MSG) )
157 		error("agent_process(): bad PDU type (0x%x)", pdu->type);
163 	if(!is_valid_community(pdu->community, pdu->type,mngr))
204 	switch(pdu->type)
207 			if(agent_get_next(pdu, error_label))
215 			if(agent_get(pdu, error_label))
223 			switch(agent_set(FIRST_PASS, pdu, error_label))
226 					switch(agent_set(SECOND_PASS, pdu, error_label))
259 /*	0 in case of success (the pdu should be sent	*/
262 /*	-1 in case of failure (no pdu should be sent	*/
265 static int agent_get_next(SNMP_pdu *pdu, char *error_label)
276 	pdu->type = GET_RSP_MSG;
278 	for(variable = pdu->first_variable; variable; variable = variable->next_variable)
283 			pdu->error_status = SNMP_ERR_NOSUCHNAME;
284 			pdu->error_index = index;
321 			pdu->error_status = snmp_error;
322 			pdu->error_index = index;
681 /*	0 in case of success (the pdu should be sent	*/
684 /*	-1 in case of failure (no pdu should be sent	*/
687 static int agent_get(SNMP_pdu *pdu, char *error_label)
722 	pdu->type = GET_RSP_MSG;
724 	for(variable = pdu->first_variable; variable; variable = variable->next_variable)
729 			pdu->error_status = SNMP_ERR_NOSUCHNAME;
730 			pdu->error_index = index_err;
770 					pdu->error_status = SNMP_ERR_NOSUCHNAME;
771 					pdu->error_index = index_err;
778 					pdu->error_status = SNMP_ERR_NOSUCHNAME;
779 					pdu->error_index = index_err;
823 					pdu->error_status = snmp_error;
824 					pdu->error_index = index_err;
884 					pdu->error_status = SNMP_ERR_NOSUCHNAME;
885 					pdu->error_index = index_err;
891 					pdu->error_status = SNMP_ERR_NOSUCHNAME;
892                                         pdu->error_index = index_err;
955 					pdu->error_status = snmp_error;
956 					pdu->error_index = index_err;
1004 				pdu->error_status = SNMP_ERR_NOSUCHNAME;
1005 				pdu->error_index = index_err;
1038 /*		second pass and no pdu should be sent back.	*/
1040 /*		to the second pass but a pdu			*/
1044 static int agent_set(int pass, SNMP_pdu *pdu, char *error_label)
1068 	pdu->type = GET_RSP_MSG;
1070 	for(variable = pdu->first_variable; variable; variable = variable->next_variable)
1075 			pdu->error_status = SNMP_ERR_NOSUCHNAME;
1076 			pdu->error_index = index;
1124 					pdu->error_status = SNMP_ERR_NOSUCHNAME;
1125 					pdu->error_index = index;
1133 					pdu->error_status = SNMP_ERR_READONLY;
1134 					pdu->error_index = index;
1185 						pdu->error_status = SNMP_ERR_BADVALUE;
1186 						pdu->error_index = index;
1238 					pdu->error_status = snmp_error;
1239 					pdu->error_index = index;
1263 					pdu->error_status = SNMP_ERR_NOSUCHNAME;
1264 					pdu->error_index = index;
1272 					pdu->error_status = SNMP_ERR_READONLY;
1273 					pdu->error_index = index;
1324 						pdu->error_status = SNMP_ERR_BADVALUE;
1325 						pdu->error_index = index;
1413 					pdu->error_status = snmp_error;
1414 					pdu->error_index = index;
1423 				pdu->error_status = SNMP_ERR_NOSUCHNAME;
1424 				pdu->error_index = index;