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Fixing NPEs

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This commit is contained in:
Ethan Roseman 2019-09-11 15:08:55 -04:00
parent 8e01b23e3c
commit 4450c2694f
1 changed files with 30 additions and 20 deletions
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16
Core/src/org/sleuthkit/autopsy/modules/embeddedfileextractor/SevenZipExtractor.java
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@ -1162,7 +1162,11 @@ class SevenZipExtractor {
} }
} }
List<byte[]> byteTokens = new ArrayList<>(tokens.size()); List<byte[]> byteTokens = null;
if (filePathBytes == null) {
return addNode(rootNode, tokens, null);
} else {
byteTokens = new ArrayList<>(tokens.size());
int last = 0; int last = 0;
for (int i = 0; i < filePathBytes.length; i++) { for (int i = 0; i < filePathBytes.length; i++) {
if (filePathBytes[i] == '/') { if (filePathBytes[i] == '/') {
@ -1182,7 +1186,8 @@ class SevenZipExtractor {
if (tokens.size() != byteTokens.size()) { if (tokens.size() != byteTokens.size()) {
logger.log(Level.WARNING, "Could not map path bytes to path string"); logger.log(Level.WARNING, "Could not map path bytes to path string");
return addNode(rootNode, tokens, new ArrayList<>()); return addNode(rootNode, tokens, null);
}
} }
return addNode(rootNode, tokens, byteTokens); return addNode(rootNode, tokens, byteTokens);
@ -1205,12 +1210,17 @@ class SevenZipExtractor {
// get the next name in the path and look it up // get the next name in the path and look it up
String childName = tokenPath.remove(0); String childName = tokenPath.remove(0);
byte[] childNameBytes = tokenPathBytes.remove(0); byte[] childNameBytes = null;
if (tokenPathBytes != null) {
childNameBytes = tokenPathBytes.remove(0);
}
UnpackedNode child = parent.getChild(childName); UnpackedNode child = parent.getChild(childName);
// create new node // create new node
if (child == null) { if (child == null) {
child = new UnpackedNode(childName, parent); child = new UnpackedNode(childName, parent);
if (childNameBytes != null) {
child.setFileNameBytes(childNameBytes); child.setFileNameBytes(childNameBytes);
}
parent.addChild(child); parent.addChild(child);
} }