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util.uuid: Open /dev/urandom read-only, make seed() a noop

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This commit is contained in:
Kim Alvefur 2016-01-10 23:21:34 +01:00
parent 224a98b2c6
commit fa211588ac
1 changed files with 2 additions and 4 deletions
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6
util/uuid.lua
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@ -8,7 +8,7 @@
local error = error;
local round_up = math.ceil;
local urandom, urandom_err = io.open("/dev/urandom", "r+");
local urandom, urandom_err = io.open("/dev/urandom", "r");
module "uuid"
@ -30,9 +30,7 @@ function generate()
return get_nibbles(8).."-"..get_nibbles(4).."-4"..get_nibbles(3).."-"..(get_twobits())..get_nibbles(3).."-"..get_nibbles(12);
end
function seed(x)
urandom:write(x);
urandom:flush();
function seed()
end
return _M;