Date: Sat, 06 Jun 2026 06:14:19 +0000 From: Baptiste Daroussin <bapt@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 71e8122b3f6e - main - nuage.lua: add encode_base64 helper Message-ID: <6a23babb.30d82.4b09da57@gitrepo.freebsd.org>
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The branch main has been updated by bapt: URL: https://cgit.FreeBSD.org/src/commit/?id=71e8122b3f6efdaac23ac219312dfe270731b495 commit 71e8122b3f6efdaac23ac219312dfe270731b495 Author: Baptiste Daroussin <bapt@FreeBSD.org> AuthorDate: 2026-05-07 21:53:04 +0000 Commit: Baptiste Daroussin <bapt@FreeBSD.org> CommitDate: 2026-06-06 06:01:48 +0000 nuage.lua: add encode_base64 helper --- libexec/nuageinit/nuage.lua | 30 ++++++++++++++++++++++++++++++ libexec/nuageinit/tests/nuageinit.sh | 20 ++++++++++++++++++++ 2 files changed, 50 insertions(+) diff --git a/libexec/nuageinit/nuage.lua b/libexec/nuageinit/nuage.lua index 6cef5d2dd904..3f614dba2b22 100644 --- a/libexec/nuageinit/nuage.lua +++ b/libexec/nuageinit/nuage.lua @@ -55,6 +55,35 @@ local function decode_base64(input) return table.concat(result) end +local function encode_base64(input) + if input == nil or #input == 0 then + return "" + end + local b = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' + local result = {} + local pos = 1 + local padding = "" + while pos <= #input do + local a = string.byte(input, pos) + local bb = pos + 1 <= #input and string.byte(input, pos + 1) or 0 + local c = pos + 2 <= #input and string.byte(input, pos + 2) or 0 + table.insert(result, string.sub(b, math.floor(a / 4) + 1, math.floor(a / 4) + 1)) + table.insert(result, string.sub(b, math.floor(a % 4 * 16 + bb / 16) + 1, math.floor(a % 4 * 16 + bb / 16) + 1)) + if pos + 1 <= #input then + table.insert(result, string.sub(b, math.floor(bb % 16 * 4 + c / 64) + 1, math.floor(bb % 16 * 4 + c / 64) + 1)) + else + table.insert(result, "=") + end + if pos + 2 <= #input then + table.insert(result, string.sub(b, math.floor(c % 64) + 1, math.floor(c % 64) + 1)) + else + table.insert(result, "=") + end + pos = pos + 3 + end + return table.concat(result) +end + local function shell_escape(s) return "'" .. string.gsub(s, "'", "'\\''") .. "'" end @@ -964,6 +993,7 @@ local n = { addsudo = addsudo, adddoas = adddoas, addfile = addfile, + encode_base64 = encode_base64, add_fstab_entry = add_fstab_entry, remove_fstab_entry = remove_fstab_entry, write_resolv_conf = write_resolv_conf, diff --git a/libexec/nuageinit/tests/nuageinit.sh b/libexec/nuageinit/tests/nuageinit.sh index 21cd2e8f17c5..c3c75949da65 100644 --- a/libexec/nuageinit/tests/nuageinit.sh +++ b/libexec/nuageinit/tests/nuageinit.sh @@ -45,6 +45,7 @@ atf_test_case config2_userdata_power_state atf_test_case config2_userdata_locale atf_test_case config2_userdata_fqdn_and_hostname atf_test_case config2_userdata_write_files +atf_test_case config2_userdata_encode_base64 setup_test_adduser() { @@ -1382,6 +1383,24 @@ EOF atf_check -o inline:"hostname=\"host\"\n" cat ${PWD}/etc/rc.conf.d/hostname } +config2_userdata_encode_base64_body() +{ + mkdir -p media/nuageinit + setup_test_adduser + atf_check -o inline:"dGVzdA==\n" \ + /usr/libexec/flua -e "print(require('nuage').encode_base64('test'))" + atf_check -o inline:"dA==\n" \ + /usr/libexec/flua -e "print(require('nuage').encode_base64('t'))" + atf_check -o inline:"dGU=\n" \ + /usr/libexec/flua -e "print(require('nuage').encode_base64('te'))" + # Roundtrip test + atf_check -o inline:"hello world\n" \ + /usr/libexec/flua -e "print(require('nuage').decode_base64(require('nuage').encode_base64('hello world')))" + # Empty input + atf_check -o inline:"\n" \ + /usr/libexec/flua -e "print(require('nuage').encode_base64(''))" +} + atf_init_test_cases() { atf_add_test_case args @@ -1422,4 +1441,5 @@ atf_init_test_cases() atf_add_test_case config2_userdata_locale atf_add_test_case config2_userdata_fqdn_and_hostname atf_add_test_case config2_userdata_write_files + atf_add_test_case config2_userdata_encode_base64 }home | help
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