static c_bool
checkPartitionInterest(
c_object o,
c_voidp arg)
{
v_partitionInterest partitionInterest = (v_partitionInterest)o;
v_partition partition = v_partition(arg);
c_bool result = TRUE;
if (v_partitionStringMatchesExpression(v_partitionName(partition), partitionInterest->expression)) {
result = FALSE;
}
return result;
}
/*
* ES, dds1576: This method consults the configuration info stored in the kernel
* to determine the access policy for this partition
*/
v_accessMode
v_kernelPartitionAccessMode(
v_kernel _this,
v_partitionPolicy partition)
{
v_configuration config;
v_cfElement root;
v_cfElement element;
c_iter iter;
v_accessMode retVal = V_ACCESS_MODE_UNDEFINED;
c_value expression;
c_value accessMode;
c_iter partitionsSplit;
c_char* partitionName;
config = v_getConfiguration(_this);
if(config)
{
root = v_configurationGetRoot(config);
/* Iterate over all partitionAccess elements */
iter = v_cfElementXPath(root, "Domain/PartitionAccess");
while(c_iterLength(iter) > 0)
{
element = v_cfElement(c_iterTakeFirst(iter));
/* Get the partition expression value, it should be a string */
expression = v_cfElementAttributeValue(element, "partition_expression");
if(expression.kind == V_STRING)
{
/* iterate over partitions, if one matches, exit and return */
partitionsSplit = v_partitionPolicySplit(partition);
while(c_iterLength(partitionsSplit) > 0)
{
partitionName = (c_char*)c_iterTakeFirst(partitionsSplit);
if(v_partitionStringMatchesExpression(partitionName, expression.is.String))
{
/* The partition matches the expression.*/
accessMode = v_cfElementAttributeValue(element, "access_mode");
if(accessMode.kind == V_STRING)
{
/* A correct solution space can be realized between multiple
* expressions having an AND relationship by specifying the
* following rules R&W=RW, R&N=N, W&N=N, RW&N=N.
*/
switch(retVal)
{
case V_ACCESS_MODE_UNDEFINED: /* start state */
if(strcmp(accessMode.is.String, "none") == 0)
{
retVal = V_ACCESS_MODE_NONE;
} else if(strcmp(accessMode.is.String, "write") == 0)
{
retVal = V_ACCESS_MODE_WRITE;
} else if(strcmp(accessMode.is.String, "read") == 0)
{
retVal = V_ACCESS_MODE_READ;
} else if(strcmp(accessMode.is.String, "readwrite") == 0)
{
retVal = V_ACCESS_MODE_READ_WRITE;
}
break;
case V_ACCESS_MODE_WRITE:
if(strcmp(accessMode.is.String, "read") == 0 ||
strcmp(accessMode.is.String, "readwrite") == 0)
{
retVal = V_ACCESS_MODE_READ_WRITE;
} else if(strcmp(accessMode.is.String, "none") == 0)
{
retVal = V_ACCESS_MODE_NONE;
}
break;
case V_ACCESS_MODE_READ:
if(strcmp(accessMode.is.String, "write") == 0 ||
strcmp(accessMode.is.String, "readwrite") == 0)
{
retVal = V_ACCESS_MODE_READ_WRITE;
} else if(strcmp(accessMode.is.String, "none") == 0)
{
retVal = V_ACCESS_MODE_NONE;
}
break;
case V_ACCESS_MODE_READ_WRITE:
if(strcmp(accessMode.is.String, "none") == 0)
{
retVal = V_ACCESS_MODE_NONE;
}
break;
default: /* case V_ACCESS_MODE_NONE > none always remains none */
break;
}
}
}
os_free(partitionName);
}
c_iterFree(partitionsSplit);
}
}
if(iter)
{
c_iterFree(iter);
}
if(root)
{
c_free(root);
}
}
if(retVal == V_ACCESS_MODE_UNDEFINED)
{
/* No specific rights defined, fall back to default */
retVal = V_ACCESS_MODE_READ_WRITE;
}
return retVal;
}
