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Do not close zip input stream

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2018-12-08 03:48:50 +01:00
parent bb43804d58
commit 5aa8191cd3
2 changed files with 54 additions and 42 deletions
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app/src/main/java/com/wireguard/config/Config.java
+49 -40
View File
@@ -43,50 +43,59 @@ public final class Config {
* @return a {@code Config} instance representing the supplied configuration
*/
public static Config parse(final InputStream stream) throws IOException, ParseException {
return parse(new BufferedReader(new InputStreamReader(stream)));
}
/**
* Parses an series of "Interface" and "Peer" sections into a {@code Config}. Throws
* {@link ParseException} if the input is not well-formed or contains unparseable sections.
*
* @param reader a BufferedReader of UTF-8 text that is interpreted as a WireGuard configuration file
* @return a {@code Config} instance representing the supplied configuration
*/
public static Config parse(final BufferedReader reader) throws IOException, ParseException {
final Builder builder = new Builder();
try (final BufferedReader reader = new BufferedReader(new InputStreamReader(stream))) {
final Collection<String> interfaceLines = new ArrayList<>();
final Collection<String> peerLines = new ArrayList<>();
boolean inInterfaceSection = false;
boolean inPeerSection = false;
@Nullable String line;
while ((line = reader.readLine()) != null) {
final int commentIndex = line.indexOf('#');
if (commentIndex != -1)
line = line.substring(0, commentIndex);
line = line.trim();
if (line.isEmpty())
continue;
if (line.startsWith("[")) {
// Consume all [Peer] lines read so far.
if (inPeerSection) {
builder.parsePeer(peerLines);
peerLines.clear();
}
if ("[Interface]".equalsIgnoreCase(line)) {
inInterfaceSection = true;
inPeerSection = false;
} else if ("[Peer]".equalsIgnoreCase(line)) {
inInterfaceSection = false;
inPeerSection = true;
} else {
throw new ParseException("top level", line, "Unknown section name");
}
} else if (inInterfaceSection) {
interfaceLines.add(line);
} else if (inPeerSection) {
peerLines.add(line);
} else {
throw new ParseException("top level", line, "Expected [Interface] or [Peer]");
final Collection<String> interfaceLines = new ArrayList<>();
final Collection<String> peerLines = new ArrayList<>();
boolean inInterfaceSection = false;
boolean inPeerSection = false;
@Nullable String line;
while ((line = reader.readLine()) != null) {
final int commentIndex = line.indexOf('#');
if (commentIndex != -1)
line = line.substring(0, commentIndex);
line = line.trim();
if (line.isEmpty())
continue;
if (line.startsWith("[")) {
// Consume all [Peer] lines read so far.
if (inPeerSection) {
builder.parsePeer(peerLines);
peerLines.clear();
}
if ("[Interface]".equalsIgnoreCase(line)) {
inInterfaceSection = true;
inPeerSection = false;
} else if ("[Peer]".equalsIgnoreCase(line)) {
inInterfaceSection = false;
inPeerSection = true;
} else {
throw new ParseException("top level", line, "Unknown section name");
}
} else if (inInterfaceSection) {
interfaceLines.add(line);
} else if (inPeerSection) {
peerLines.add(line);
} else {
throw new ParseException("top level", line, "Expected [Interface] or [Peer]");
}
if (inPeerSection)
builder.parsePeer(peerLines);
else if (!inInterfaceSection)
throw new ParseException("top level", "", "Empty configuration");
// Combine all [Interface] sections in the file.
builder.parseInterface(interfaceLines);
}
if (inPeerSection)
builder.parsePeer(peerLines);
else if (!inInterfaceSection)
throw new ParseException("top level", "", "Empty configuration");
// Combine all [Interface] sections in the file.
builder.parseInterface(interfaceLines);
return builder.build();
}