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fix verify_sha1 response

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This commit is contained in:
破娃酱 2016-08-22 19:10:50 +08:00
parent 6ee4eb3184
commit 6c34c4116f
1 changed files with 2 additions and 2 deletions
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4
shadowsocks/obfsplugin/verify.py
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@ -316,9 +316,9 @@ class verify_sha1(verify_base):
else: else:
self.raw_trans = True self.raw_trans = True
return (self.recv_buf, False) return (self.recv_buf, False)
head_size = self.get_head_size(self.recv_buf, 30) head_size = self.get_head_size(self.recv_buf, 65536)
if len(self.recv_buf) < head_size + 10: if len(self.recv_buf) < head_size + 10:
return (b'', False) return (b'E', False)
sha1data = hmac.new(self.server_info.recv_iv + self.server_info.key, self.recv_buf[:head_size], hashlib.sha1).digest()[:10] sha1data = hmac.new(self.server_info.recv_iv + self.server_info.key, self.recv_buf[:head_size], hashlib.sha1).digest()[:10]
if sha1data != self.recv_buf[head_size:head_size + 10]: if sha1data != self.recv_buf[head_size:head_size + 10]:
logging.error('server_post_decrype data uncorrect auth HMAC-SHA1') logging.error('server_post_decrype data uncorrect auth HMAC-SHA1')