author | Kim Alvefur <zash@zash.se> |
Mon, 17 Oct 2022 15:13:04 +0200 | |
changeset 12778 | fc4adc32a537 |
parent 12450 | e54b8a5e35ad |
child 12979 | d10957394a3c |
permissions | -rw-r--r-- |
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util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
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-- Prosody IM |
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util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
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-- Copyright (C) 2008-2014 Matthew Wild |
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util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
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-- Copyright (C) 2008-2014 Waqas Hussain |
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util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
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-- |
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util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
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-- This project is MIT/X11 licensed. Please see the |
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util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
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-- COPYING file in the source package for more information. |
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util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
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-- |
bd812a7713ad
util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
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util.crand: C binding to one of OpenSSL, Linux getrandom() or OpenBSD arc4random() CSPRNG
Kim Alvefur <zash@zash.se>
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local ok, crand = pcall(require, "util.crand"); |
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util.random: Test whether util.crand works before using it (fix #1734)
Kim Alvefur <zash@zash.se>
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if ok and pcall(crand.bytes, 1) then return crand; end |
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util.crand: C binding to one of OpenSSL, Linux getrandom() or OpenBSD arc4random() CSPRNG
Kim Alvefur <zash@zash.se>
parents:
7117
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7117
51cf09bb74eb
util.random: Restore friendlier error from 0.9/util.uuid
Kim Alvefur <zash@zash.se>
parents:
7086
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local urandom, urandom_err = io.open("/dev/urandom", "r"); |
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util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
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bd812a7713ad
util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
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local function bytes(n) |
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util.random: Handle unlikely read errors from /dev/urandom (see #1313)
Kim Alvefur <zash@zash.se>
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local data, err = urandom:read(n); |
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util.random: Handle unlikely read errors from /dev/urandom (see #1313)
Kim Alvefur <zash@zash.se>
parents:
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if not data then |
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util.random: Throw different error for EOL condition
Kim Alvefur <zash@zash.se>
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if err then |
af8c514e5cf7
util.random: Throw different error for EOL condition
Kim Alvefur <zash@zash.se>
parents:
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error("Unable to retrieve data from secure random number generator (/dev/urandom): "..tostring(err)); |
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util.random: Throw different error for EOL condition
Kim Alvefur <zash@zash.se>
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else |
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util.random: Throw different error for EOL condition
Kim Alvefur <zash@zash.se>
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error("Secure random number generator (/dev/urandom) returned an end-of-file condition"); |
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util.random: Throw different error for EOL condition
Kim Alvefur <zash@zash.se>
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end |
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util.random: Handle unlikely read errors from /dev/urandom (see #1313)
Kim Alvefur <zash@zash.se>
parents:
8246
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end |
5d2f7144fa12
util.random: Handle unlikely read errors from /dev/urandom (see #1313)
Kim Alvefur <zash@zash.se>
parents:
8246
diff
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return data; |
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bd812a7713ad
util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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end |
bd812a7713ad
util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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25 |
|
7117
51cf09bb74eb
util.random: Restore friendlier error from 0.9/util.uuid
Kim Alvefur <zash@zash.se>
parents:
7086
diff
changeset
|
26 |
if not urandom then |
51cf09bb74eb
util.random: Restore friendlier error from 0.9/util.uuid
Kim Alvefur <zash@zash.se>
parents:
7086
diff
changeset
|
27 |
function bytes() |
51cf09bb74eb
util.random: Restore friendlier error from 0.9/util.uuid
Kim Alvefur <zash@zash.se>
parents:
7086
diff
changeset
|
28 |
error("Unable to obtain a secure random number generator, please see https://prosody.im/doc/random ("..urandom_err..")"); |
51cf09bb74eb
util.random: Restore friendlier error from 0.9/util.uuid
Kim Alvefur <zash@zash.se>
parents:
7086
diff
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end |
51cf09bb74eb
util.random: Restore friendlier error from 0.9/util.uuid
Kim Alvefur <zash@zash.se>
parents:
7086
diff
changeset
|
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end |
51cf09bb74eb
util.random: Restore friendlier error from 0.9/util.uuid
Kim Alvefur <zash@zash.se>
parents:
7086
diff
changeset
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|
6376
bd812a7713ad
util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
diff
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return { |
bd812a7713ad
util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
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bytes = bytes; |
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util.random: Add a _source field to match util.crand
Kim Alvefur <zash@zash.se>
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_source = "/dev/urandom"; |
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util.random: Generic util lib for generating strings of random bytes
Matthew Wild <mwild1@gmail.com>
parents:
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}; |