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Handle discrepance of process launching on Windows between different versions of Java

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This commit is contained in:
Ashley Donaldson 2024-10-16 17:29:41 +11:00
parent dc3021e1c0
commit f1fcfd6176
1 changed files with 70 additions and 57 deletions
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25
java/meterpreter/stdapi/src/main/java/com/metasploit/meterpreter/stdapi/stdapi_sys_process_execute.java
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@ -67,12 +67,10 @@ public class stdapi_sys_process_execute implements Command {
// On Windows, Java quote-escapes _some_ arguments (like those with spaces), but doesn't deal correctly with some
// edge cases; e.g. empty strings, strings that already have quotes.
protected String escapeArg(String arg) {
protected String escapeArgWindows(String arg) {
if (arg == null) {
return null;
}
String osName = System.getProperty("os.name");
if (osName != null && osName.toLowerCase().contains("windows")) {
if (arg.equals("")) {
return "\"\"";
} else {
@ -117,21 +115,36 @@ public class stdapi_sys_process_execute implements Command {
}
return sb.toString();
}
} else {
return arg;
}
protected Process executeWindows(String cmd, ArrayList<String> args) throws IOException {
StringBuilder cmdString = new StringBuilder();
cmdString.append(cmd);
if (args.size() > 0) {
for (String arg : args) {
cmdString.append(" ");
cmdString.append(escapeArgWindows(arg));
}
}
return execute(cmdString.toString());
}
protected Process execute(String cmd, ArrayList<String> args) throws IOException {
String osName = System.getProperty("os.name");
if (osName != null && osName.toLowerCase().contains("windows")) {
return executeWindows(cmd, args);
} else {
ArrayList<String> cmdAndArgs = new ArrayList<String>();
cmdAndArgs.add(cmd);
for (String arg : args) {
cmdAndArgs.add(escapeArg(arg));
cmdAndArgs.add(arg);
}
ProcessBuilder builder = new ProcessBuilder(cmdAndArgs);
builder.directory(Loader.getCWD());
return builder.start();
}
}
protected Process execute(String cmdstr) throws IOException {
Process proc = Runtime.getRuntime().exec(cmdstr);