int dispatch_match_message(void * policy,void * message)
{
int ret;
DISPATCH_POLICY * dispatch_policy=(DISPATCH_POLICY *)policy;
MATCH_RULE * match_rule;
MSG_HEAD * msg_head;
void * msg_record;
void * record_template;
msg_head=message_get_head(message);
if(msg_head==NULL)
return -EINVAL;
ret=dispatch_policy_getfirstmatchrule(policy,&match_rule);
if(ret<0)
return ret;
while(match_rule!=NULL)
{
if(match_rule->area==MATCH_AREA_RECORD)
{
if(match_rule->type==0)
return 1;
if((match_rule->type!=msg_head->record_type)||
(match_rule->subtype!=msg_head->record_subtype))
return 0;
if(match_rule->match_template==NULL)
return 1;
ret=message_get_record(message,&msg_record,0);
if(ret<0)
return ret;
if(msg_record==NULL)
return 0;
return struct_part_compare(match_rule->value,msg_record,match_rule->match_template,match_flag);
}
else
{
return 0;
}
}
}
void * find_key_info(void * key_info)
{
struct trust_demo_keyinfo * in_keyinfo=key_info;
struct trust_demo_keyinfo * db_keyinfo;
DB_RECORD * record;
void * comp_template;
int ret;
comp_template=memdb_get_template(DTYPE_TRUST_DEMO,SUBTYPE_KEY_INFO);
ret=struct_set_flag(comp_template,CUBE_ELEM_FLAG_TEMP,"vtpm_uuid,owner,peer,usage,key_type");
if(ret<0)
return NULL;
record=memdb_get_first(DTYPE_TRUST_DEMO,SUBTYPE_KEY_INFO);
while(record!=NULL)
{
db_keyinfo=record->record;
if(db_keyinfo==NULL)
return NULL;
if(struct_part_compare(db_keyinfo,in_keyinfo,comp_template,CUBE_ELEM_FLAG_TEMP))
break;
record=memdb_get_next(DTYPE_TRUST_DEMO,SUBTYPE_KEY_INFO);
}
return record;
}
int dispatch_match_message(void * policy,void * message)
{
int ret;
int result=0;
int prev_result=0;
int match_rule_num=0;
DISPATCH_POLICY * dispatch_policy=(DISPATCH_POLICY *)policy;
MATCH_RULE * match_rule;
MSG_HEAD * msg_head;
void * msg_record;
void * record_template;
msg_head=message_get_head(message);
if(msg_head==NULL)
return -EINVAL;
if(dispatch_policy->name!=NULL)
{
if(msg_head->route[0]!=0)
if(Strncmp(dispatch_policy->name,msg_head->route,DIGEST_SIZE)!=0)
return 0;
}
ret=dispatch_policy_getfirstmatchrule(policy,&match_rule);
if(ret<0)
return ret;
while(match_rule!=NULL)
{
if((match_rule->area==0)||(match_rule->area==MATCH_AREA_HEAD))
{
if(match_rule->type==0)
result=1;
else if(match_rule->type ==msg_head->record_type)
{
if(match_rule->subtype==0)
result= 1;
else if(match_rule->subtype==msg_head->record_subtype)
result = 1;
}
else
{
result = 0;
}
}
else if(match_rule->area==MATCH_AREA_RECORD)
{
if(match_rule->type==0)
result = 1;
else if((match_rule->type!=msg_head->record_type)||
(match_rule->subtype!=msg_head->record_subtype))
result = 0;
else if(match_rule->match_template==NULL)
result = 1;
else
{
ret=message_get_record(message,&msg_record,0);
if(ret<0)
result =ret;
else if(msg_record==NULL)
result = 0;
else if(!struct_part_compare(match_rule->value,msg_record,match_rule->match_template,match_flag))
result = 1;
else
result = 0;
}
}
else if(match_rule->area==MATCH_AREA_EXPAND)
{
MSG_EXPAND * msg_expand;
void * expand_template;
ret=message_get_define_expand(message,&msg_expand,match_rule->type,match_rule->subtype);
if(msg_expand==NULL)
result=0;
else if(match_rule->value==NULL)
result=1;
else
{
// expand_template=memdb_get_template(match_rule->type,match_rule->subtype);
if(match_rule->match_template==NULL)
result=0;
else
{
if(!struct_part_compare(match_rule->value,msg_expand->expand,
match_rule->match_template,match_flag))
result = 1;
else
result = 0;
}
}
}
else
{
result = 0;
}
if(result<0)
return result;
switch(match_rule->op)
{
case DISPATCH_MATCH_AND:
if(result==0)
return result;
prev_result=1;
break;
case DISPATCH_MATCH_OR:
if(result>0)
return result;
break;
case DISPATCH_MATCH_NOT:
if(result>0)
return 0;
prev_result=1;
break;
case DISPATCH_MATCH_ORNOT:
if(result==0)
return 1;
break;
default:
return -EINVAL;
}
match_rule_num++;
ret=dispatch_policy_getnextmatchrule(policy,&match_rule);
if(ret<0)
return ret;
}
if(match_rule_num==0)
return 0;
return prev_result;
}