GP-5848: Enforce architecture matching when loading libraries from

project

Ghidra/Features/Base/src/main/java/ghidra/app/util/opinion/AbstractLibrarySupportLoader.java

@@ -38,7 +38,6 @@ import ghidra.program.model.lang.*;
 import ghidra.program.model.listing.Library;
 import ghidra.program.model.listing.Program;
 import ghidra.program.model.symbol.ExternalManager;
-import ghidra.util.Msg;
 import ghidra.util.StringUtilities;
 import ghidra.util.exception.CancelledException;
 import ghidra.util.exception.InvalidInputException;
@@ -632,12 +631,12 @@ public abstract class AbstractLibrarySupportLoader extends AbstractProgramLoader
 					continue;
 				}
 				processed.add(library);
-				if (findLibraryInProject(library, libraryDestFolder, searchPaths,
+				if (findLibraryInProject(library, libraryDestFolder, searchPaths, true,
 					settings) != null) {
 					log.appendMsg("Found %s in %s...".formatted(library, libraryDestFolder));
 					log.appendMsg("------------------------------------------------\n");
 				}
-				else if (findLibraryInProject(library, linkSearchFolder, searchPaths,
+				else if (findLibraryInProject(library, linkSearchFolder, searchPaths, true,
 					settings) != null) {
 					log.appendMsg("Found %s in %s...".formatted(library, linkSearchFolder));
 					log.appendMsg("------------------------------------------------\n");
@@ -779,12 +778,14 @@ public abstract class AbstractLibrarySupportLoader extends AbstractProgramLoader
 	 * @param folder {@link DomainFolder root folder} within which imported libraries will
 	 *   be searched. If null this method will return null.
 	 * @param searchPaths A {@link List} of {@link LibrarySearchPath}s that will be searched
+	 * @param matchLoadSpec True if the returned library must match the desired load spec; false
+	 *   if a match is not required
 	 * @param settings The {@link Loader.ImporterSettings}
 	 * @return The found {@link DomainFile} or null if not found
 	 * @throws CancelledException if the user cancelled the load
 	 */
 	protected DomainFile findLibraryInProject(String library, DomainFolder folder,
-			List<LibrarySearchPath> searchPaths, ImporterSettings settings)
+			List<LibrarySearchPath> searchPaths, boolean matchLoadSpec, ImporterSettings settings)
 			throws CancelledException {
 		if (folder == null) {
 			return null;
@@ -809,7 +810,8 @@ public abstract class AbstractLibrarySupportLoader extends AbstractProgramLoader
 				}
 				DomainFile ret =
 					lookupLibraryInFolder(FilenameUtils.getName(library), parentFolder);
-				if (ret != null) {
+				if (ret != null &&
+					(!matchLoadSpec || matchSupportedLoadSpec(settings.loadSpec(), ret))) {
 					return ret;
 				}
 			}
@@ -825,13 +827,19 @@ public abstract class AbstractLibrarySupportLoader extends AbstractProgramLoader
 			}
 		}
 
+		// First perform a direct filename lookup in the folder (for efficiency)
 		String libraryName = FilenameUtils.getName(library);
 		DomainFile file = folder.getFile(libraryName);
 		if (file != null) {
-			return file;
+			return !matchLoadSpec || matchSupportedLoadSpec(settings.loadSpec(), file) ? file
+					: null;
 		}
 
-		return lookupLibraryInFolder(libraryName, folder);
+		// If necessary, perform a slower comparator-based lookup on every file in the folder
+		file = lookupLibraryInFolder(libraryName, folder);
+		return file != null && (!matchLoadSpec || matchSupportedLoadSpec(settings.loadSpec(), file))
+				? file
+				: null;
 	}
 
 	/**
@@ -968,40 +976,50 @@ public abstract class AbstractLibrarySupportLoader extends AbstractProgramLoader
 				continue;
 			}
 			monitor.checkCancelled();
-			try {
-				Loaded<Program> match = findLibraryInLoadedList(loadedPrograms, externalLibName);
-				if (match != null) {
-					extManager.setExternalPath(externalLibName, FSUtilities
-							.appendPath(match.getProjectFolderPath(), match.getName()),
-						false);
-					log.appendMsg("  [" + externalLibName + "] -> [" + match.getName() + "]");
-				}
-				else {
-					boolean found = false;
-					for (DomainFolder searchFolder : searchFolders) {
-						DomainFile alreadyImportedLib = findLibraryInProject(externalLibName,
-							searchFolder, fsSearchPaths, settings);
-						if (alreadyImportedLib != null) {
-							extManager.setExternalPath(externalLibName,
-								alreadyImportedLib.getPathname(), false);
-							log.appendMsg("  [" + externalLibName + "] -> [" +
-								alreadyImportedLib.getPathname() + "] (previously imported)");
-							found = true;
-							break;
-						}
-					}
-					if (!found) {
-						log.appendMsg("  [" + externalLibName + "] -> not found in project");
-					}
-				}
+			Loaded<Program> match = findLibraryInLoadedList(loadedPrograms, externalLibName);
+			if (match != null) {
+				setExternalLibrary(externalLibName,
+					FSUtilities.appendPath(match.getProjectFolderPath(), match.getName()), program,
+					settings);
 			}
-			catch (InvalidInputException e) {
-				Msg.error(this, "Bad library name: " + externalLibName, e);
+			else {
+				boolean found = false;
+				for (DomainFolder searchFolder : searchFolders) {
+					DomainFile alreadyImportedLib = findLibraryInProject(externalLibName,
+						searchFolder, fsSearchPaths, false, settings);
+					if (alreadyImportedLib != null) {
+						if (matchSupportedLoadSpec(settings.loadSpec(), alreadyImportedLib)) {
+							setExternalLibrary(externalLibName, alreadyImportedLib.getPathname(),
+								program, settings);
+						}
+						else {
+							log.appendMsg(
+								"  [%s] -> found wrong architecture".formatted(externalLibName));
+						}
+						found = true;
+						break;
+					}
+				}
+				if (!found) {
+					log.appendMsg("  [%s] -> not found in project".formatted(externalLibName));
+				}
 			}
 		}
 		log.appendMsg("------------------------------------------------\n");
 	}
 
+	private void setExternalLibrary(String libraryName, String pathname, Program program,
+			ImporterSettings settings) {
+		MessageLog log = settings.log();
+		try {
+			program.getExternalManager().setExternalPath(libraryName, pathname, false);
+			log.appendMsg("  [%s] -> [%s] (previously imported)".formatted(libraryName, pathname));
+		}
+		catch (InvalidInputException e) {
+			log.appendMsg("  [%s] -> bad library name".formatted(libraryName));
+		}
+	}
+
 	/**
 	 * A library that has not been processed by the loader yet
 	 * 
@@ -1175,6 +1193,28 @@ public abstract class AbstractLibrarySupportLoader extends AbstractProgramLoader
 		return null;
 	}
 
+	/**
+	 * {@return whether or not the given {@link LoadSpec} matches the one associated with the given 
+	 * {@link DomainFile}}
+	 * <p>
+	 * To avoid having to open each library which might require an upgrade, we just look at the 
+	 * "Language ID" metadata attached to the {@link DomainFile}.
+	 * 
+	 * @param desiredLoadSpec The desired {@link LoadSpec}
+	 * @param df The {@link DomainFile}
+	 */
+	protected boolean matchSupportedLoadSpec(LoadSpec desiredLoadSpec, DomainFile df) {
+		String fileLangId = df.getMetadata().getOrDefault("Language ID", "");
+		String desiredLangId =
+			desiredLoadSpec.getLanguageCompilerSpec().getLanguageID().getIdAsString();
+
+		String[] fileParts = fileLangId.split(":");
+		String[] desiredParts = desiredLangId.split(":");
+
+		return fileParts.length >= 3 && desiredParts.length >= 3 &&
+			Arrays.equals(fileParts, 0, 3, desiredParts, 0, 3);
+	}
+
 	/**
 	 * Looks in the given {@link GFileSystem} for the given library using the loader's 
 	 * {@link #getLibraryNameComparator() library name comparator}

Ghidra/Features/Base/src/main/java/ghidra/app/util/opinion/MachoLoader.java

@@ -627,7 +627,7 @@ public class MachoLoader extends AbstractLibrarySupportLoader {
 				if (lib == null) {
 					for (DomainFolder searchFolder : searchFolders) {
 						DomainFile df =
-							findLibraryInProject(path, searchFolder, searchPaths, settings);
+							findLibraryInProject(path, searchFolder, searchPaths, true, settings);
 						if (df != null) {
 							DomainObject obj = df.getDomainObject(this, true, true, monitor);
 							if (obj instanceof Program p) {