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From the zlib v1.2.11 manual: > ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm, > int windowBits)); > > ... > windowBits can also be zero to request that inflate use the window > size in the zlib header of the compressed stream. The current validation of windowBits in zlib.js doesn't check for this case. PR-URL: https://github.com/nodejs/node/pull/19686 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
34 lines
870 B
JavaScript
34 lines
870 B
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const zlib = require('zlib');
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// windowBits is a special case in zlib. On the compression side, 0 is invalid.
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// On the decompression side, it indicates that zlib should use the value from
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// the header of the compressed stream.
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{
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const inflate = zlib.createInflate({ windowBits: 0 });
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assert(inflate instanceof zlib.Inflate);
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}
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{
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const gunzip = zlib.createGunzip({ windowBits: 0 });
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assert(gunzip instanceof zlib.Gunzip);
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}
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{
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const unzip = zlib.createUnzip({ windowBits: 0 });
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assert(unzip instanceof zlib.Unzip);
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}
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{
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common.expectsError(() => zlib.createGzip({ windowBits: 0 }), {
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code: 'ERR_OUT_OF_RANGE',
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type: RangeError,
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message: 'The value of "options.windowBits" is out of range. ' +
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'It must be >= 8 and <= 15. Received 0'
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});
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}
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