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Update dockerman.patch
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@@ -451,3 +451,22 @@
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}
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return {
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--- a/luci-app-dockerman/root/usr/share/rpcd/ucode/docker_rpc.uc
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+++ b/luci-app-dockerman/root/usr/share/rpcd/ucode/docker_rpc.uc
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@@ -316,6 +316,15 @@ function run_ttyd(request) {
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return { error: 'Container ID is required' };
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}
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+ // Strictly validate all user-supplied values before they are interpolated
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+ // into a shell command string to prevent command injection.
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+ if (!match(id, /^[a-zA-Z0-9][a-zA-Z0-9_.-]*$/) ||
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+ !match(`${port}`, /^[0-9]{1,5}$/) || int(port) < 1 || int(port) > 65535 ||
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+ (uid && !match(`${uid}`, /^[a-zA-Z0-9_-]+$/)) ||
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+ !match(cmd, /^[a-zA-Z0-9_\/.\- ]+$/)) {
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+ return { error: 'Invalid parameter supplied' };
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+ }
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+
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let ttyd_cmd = `ttyd -q -d 2 --once --writable -p ${port} docker`;
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const sock_addr = ds.get_socket_dest();
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