87 lines
3.6 KiB
Diff
87 lines
3.6 KiB
Diff
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Modified for downstream inclusion in tzdata-java.
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commit 1bc13a1c10a580f84f1b7686c95344ec2633f611
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Author: Florian Weimer <fweimer@openjdk.org>
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Date: Thu Sep 26 22:37:45 2024 +0000
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8340552: Harden TzdbZoneRulesCompiler against missing zone names
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Reviewed-by: andrew, jlu, naoto
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diff -ur tzdata-2024b.orig/javazic-1.8/build/tools/tzdb/TzdbZoneRulesCompiler.java tzdata-2024b/javazic-1.8/build/tools/tzdb/TzdbZoneRulesCompiler.java
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--- tzdata-2024b.orig/javazic-1.8/build/tools/tzdb/TzdbZoneRulesCompiler.java 2014-04-22 19:46:49.000000000 +0200
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+++ tzdata-2024b/javazic-1.8/build/tools/tzdb/TzdbZoneRulesCompiler.java 2024-09-20 21:10:12.748483767 +0200
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@@ -248,7 +248,7 @@
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// link version-region-rules
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out.writeShort(builtZones.size());
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for (Map.Entry<String, ZoneRules> entry : builtZones.entrySet()) {
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- int regionIndex = Arrays.binarySearch(regionArray, entry.getKey());
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+ int regionIndex = findRegionIndex(regionArray, entry.getKey());
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int rulesIndex = rulesList.indexOf(entry.getValue());
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out.writeShort(regionIndex);
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out.writeShort(rulesIndex);
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@@ -256,8 +256,8 @@
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// alias-region
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out.writeShort(links.size());
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for (Map.Entry<String, String> entry : links.entrySet()) {
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- int aliasIndex = Arrays.binarySearch(regionArray, entry.getKey());
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- int regionIndex = Arrays.binarySearch(regionArray, entry.getValue());
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+ int aliasIndex = findRegionIndex(regionArray, entry.getKey());
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+ int regionIndex = findRegionIndex(regionArray, entry.getValue());
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out.writeShort(aliasIndex);
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out.writeShort(regionIndex);
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}
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@@ -269,6 +269,14 @@
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}
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}
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+ private static int findRegionIndex(String[] regionArray, String region) {
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+ int index = Arrays.binarySearch(regionArray, region);
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+ if (index < 0) {
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+ throw new IllegalArgumentException("Unknown region: " + region);
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+ }
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+ return index;
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+ }
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+
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private static final Pattern YEAR = Pattern.compile("(?i)(?<min>min)|(?<max>max)|(?<only>only)|(?<year>[0-9]+)");
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private static final Pattern MONTH = Pattern.compile("(?i)(jan)|(feb)|(mar)|(apr)|(may)|(jun)|(jul)|(aug)|(sep)|(oct)|(nov)|(dec)");
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private static final Matcher DOW = Pattern.compile("(?i)(mon)|(tue)|(wed)|(thu)|(fri)|(sat)|(sun)").matcher("");
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@@ -607,22 +615,20 @@
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}
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builtZones.put(aliasId, realRules);
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}
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- // remove UTC and GMT
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- // builtZones.remove("UTC");
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- // builtZones.remove("GMT");
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- // builtZones.remove("GMT0");
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- builtZones.remove("GMT+0");
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- builtZones.remove("GMT-0");
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- links.remove("GMT+0");
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- links.remove("GMT-0");
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- // remove ROC, which is not supported in j.u.tz
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- builtZones.remove("ROC");
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- links.remove("ROC");
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- // remove EST, HST and MST. They are supported via
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- // the short-id mapping
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- builtZones.remove("EST");
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- builtZones.remove("HST");
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- builtZones.remove("MST");
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+
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+ List<String> zonesToRemove = Arrays.asList(
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+ // remove UTC and GMT
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+ "GMT+0",
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+ "GMT-0",
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+ // remove ROC, which is not supported in j.u.tz
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+ "ROC",
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+ // remove EST, HST and MST. They are supported via
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+ // the short-id mapping
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+ "EST",
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+ "HST",
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+ "MST");
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+ builtZones.keySet().removeAll(zonesToRemove);
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+ links.keySet().removeAll(zonesToRemove);
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}
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/**
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