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SEC-947: Added check on "before" and "after" values to make sure they don't overflow when decremented/incremented respectfully.

This commit is contained in:
Luke Taylor 2008-08-05 23:26:01 +00:00
parent fbeb47d559
commit 3ee3591feb
1 changed files with 22 additions and 18 deletions
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26
core/src/main/java/org/springframework/security/config/OrderedFilterBeanDefinitionDecorator.java
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@ -61,20 +61,24 @@ public class OrderedFilterBeanDefinitionDecorator implements BeanDefinitionDecor
String position = elt.getAttribute(ATT_POSITION); String position = elt.getAttribute(ATT_POSITION);
if(ConfigUtils.countNonEmpty(new String[] {after, before, position}) != 1) { if(ConfigUtils.countNonEmpty(new String[] {after, before, position}) != 1) {
pc.getReaderContext().error("A single '" + ATT_AFTER + "', '" + ATT_BEFORE + "', or '" + pc.getReaderContext().error("A single '" + ATT_AFTER + "', '" + ATT_BEFORE + "', or '" +
ATT_POSITION + "' attribute must be supplied", pc.extractSource(elt)); ATT_POSITION + "' attribute must be supplied", pc.extractSource(elt));
} }
if (StringUtils.hasText(position)) { if (StringUtils.hasText(position)) {
return Integer.toString(FilterChainOrder.getOrder(position)); return Integer.toString(FilterChainOrder.getOrder(position));
} }
if (StringUtils.hasText(after)) { if (StringUtils.hasText(after)) {
return Integer.toString(FilterChainOrder.getOrder(after) + 1); int order = FilterChainOrder.getOrder(after);
return Integer.toString(order == Integer.MAX_VALUE ? order : order + 1);
} }
if (StringUtils.hasText(before)) { if (StringUtils.hasText(before)) {
return Integer.toString(FilterChainOrder.getOrder(before) - 1); int order = FilterChainOrder.getOrder(before);
return Integer.toString(order == Integer.MIN_VALUE ? order : order - 1);
} }
return null; return null;
@ -121,12 +125,12 @@ public class OrderedFilterBeanDefinitionDecorator implements BeanDefinitionDecor
return beanName; return beanName;
} }
public String toString() { public String toString() {
return "OrderedFilterDecorator[ delegate=" + delegate + "; order=" + getOrder() + "]"; return "OrderedFilterDecorator[ delegate=" + delegate + "; order=" + getOrder() + "]";
} }
Filter getDelegate() { Filter getDelegate() {
return delegate; return delegate;
} }
} }
} }