diff options
Diffstat (limited to 'server/resty/openssl/x509/csr.lua')
| -rw-r--r-- | server/resty/openssl/x509/csr.lua | 531 |
1 files changed, 0 insertions, 531 deletions
diff --git a/server/resty/openssl/x509/csr.lua b/server/resty/openssl/x509/csr.lua deleted file mode 100644 index 08c4860..0000000 --- a/server/resty/openssl/x509/csr.lua +++ /dev/null @@ -1,531 +0,0 @@ -local ffi = require "ffi" -local C = ffi.C -local ffi_gc = ffi.gc -local ffi_cast = ffi.cast - -require "resty.openssl.include.pem" -require "resty.openssl.include.x509v3" -require "resty.openssl.include.x509.csr" -require "resty.openssl.include.asn1" -local stack_macro = require "resty.openssl.include.stack" -local stack_lib = require "resty.openssl.stack" -local pkey_lib = require "resty.openssl.pkey" -local digest_lib = require("resty.openssl.digest") -local extension_lib = require("resty.openssl.x509.extension") -local extensions_lib = require("resty.openssl.x509.extensions") -local bio_util = require "resty.openssl.auxiliary.bio" -local ctypes = require "resty.openssl.auxiliary.ctypes" -local ctx_lib = require "resty.openssl.ctx" -local txtnid2nid = require("resty.openssl.objects").txtnid2nid -local find_sigid_algs = require("resty.openssl.objects").find_sigid_algs -local format_error = require("resty.openssl.err").format_error -local version = require("resty.openssl.version") -local OPENSSL_10 = version.OPENSSL_10 -local OPENSSL_11_OR_LATER = version.OPENSSL_11_OR_LATER -local OPENSSL_3X = version.OPENSSL_3X -local BORINGSSL = version.BORINGSSL -local BORINGSSL_110 = version.BORINGSSL_110 -- used in boringssl-fips-20190808 - -local accessors = {} - -accessors.set_subject_name = C.X509_REQ_set_subject_name -accessors.get_pubkey = C.X509_REQ_get_pubkey -accessors.set_pubkey = C.X509_REQ_set_pubkey -accessors.set_version = C.X509_REQ_set_version - -if OPENSSL_11_OR_LATER or BORINGSSL_110 then - accessors.get_signature_nid = C.X509_REQ_get_signature_nid -elseif OPENSSL_10 then - accessors.get_signature_nid = function(csr) - if csr == nil or csr.sig_alg == nil then - return nil - end - return C.OBJ_obj2nid(csr.sig_alg.algorithm) - end -end - -if OPENSSL_11_OR_LATER and not BORINGSSL_110 then - accessors.get_subject_name = C.X509_REQ_get_subject_name -- returns internal ptr - accessors.get_version = C.X509_REQ_get_version -elseif OPENSSL_10 or BORINGSSL_110 then - accessors.get_subject_name = function(csr) - if csr == nil or csr.req_info == nil then - return nil - end - return csr.req_info.subject - end - accessors.get_version = function(csr) - if csr == nil or csr.req_info == nil then - return nil - end - return C.ASN1_INTEGER_get(csr.req_info.version) - end -end - -local function __tostring(self, fmt) - if not fmt or fmt == 'PEM' then - return bio_util.read_wrap(C.PEM_write_bio_X509_REQ, self.ctx) - elseif fmt == 'DER' then - return bio_util.read_wrap(C.i2d_X509_REQ_bio, self.ctx) - else - return nil, "x509.csr:tostring: can only write PEM or DER format, not " .. fmt - end -end - -local _M = {} -local mt = { __index = _M, __tostring = __tostring } - -local x509_req_ptr_ct = ffi.typeof("X509_REQ*") - -local stack_ptr_type = ffi.typeof("struct stack_st *[1]") -local x509_extensions_gc = stack_lib.gc_of("X509_EXTENSION") - -function _M.new(csr, fmt, properties) - local ctx - if not csr then - if OPENSSL_3X then - ctx = C.X509_REQ_new_ex(ctx_lib.get_libctx(), properties) - else - ctx = C.X509_REQ_new() - end - if ctx == nil then - return nil, "x509.csr.new: X509_REQ_new() failed" - end - elseif type(csr) == "string" then - -- routine for load an existing csr - local bio = C.BIO_new_mem_buf(csr, #csr) - if bio == nil then - return nil, format_error("x509.csr.new: BIO_new_mem_buf") - end - - fmt = fmt or "*" - while true do -- luacheck: ignore 512 -- loop is executed at most once - if fmt == "PEM" or fmt == "*" then - ctx = C.PEM_read_bio_X509_REQ(bio, nil, nil, nil) - if ctx ~= nil then - break - elseif fmt == "*" then - -- BIO_reset; #define BIO_CTRL_RESET 1 - local code = C.BIO_ctrl(bio, 1, 0, nil) - if code ~= 1 then - return nil, "x509.csr.new: BIO_ctrl() failed: " .. code - end - end - end - if fmt == "DER" or fmt == "*" then - ctx = C.d2i_X509_REQ_bio(bio, nil) - end - break - end - C.BIO_free(bio) - if ctx == nil then - return nil, format_error("x509.csr.new") - end - -- clear errors occur when trying - C.ERR_clear_error() - else - return nil, "x509.csr.new: expect nil or a string at #1" - end - ffi_gc(ctx, C.X509_REQ_free) - - local self = setmetatable({ - ctx = ctx, - }, mt) - - return self, nil -end - -function _M.istype(l) - return l and l and l.ctx and ffi.istype(x509_req_ptr_ct, l.ctx) -end - -function _M:tostring(fmt) - return __tostring(self, fmt) -end - -function _M:to_PEM() - return __tostring(self, "PEM") -end - -function _M:check_private_key(key) - if not pkey_lib.istype(key) then - return false, "x509.csr:check_private_key: except a pkey instance at #1" - end - - if not key:is_private() then - return false, "x509.csr:check_private_key: not a private key" - end - - if C.X509_REQ_check_private_key(self.ctx, key.ctx) == 1 then - return true - end - return false, format_error("x509.csr:check_private_key") -end - ---- Get all csr extensions --- @tparam table self Instance of csr --- @treturn Extensions object -function _M:get_extensions() - local extensions = C.X509_REQ_get_extensions(self.ctx) - -- GC handler is sk_X509_EXTENSION_pop_free - ffi_gc(extensions, x509_extensions_gc) - - return extensions_lib.dup(extensions) -end - -local function get_extension(ctx, nid_txt, last_pos) - local nid, err = txtnid2nid(nid_txt) - if err then - return nil, nil, err - end - - local extensions = C.X509_REQ_get_extensions(ctx) - if extensions == nil then - return nil, nil, format_error("csr.get_extension: X509_REQ_get_extensions") - end - ffi_gc(extensions, x509_extensions_gc) - - -- make 1-index array to 0-index - last_pos = (last_pos or 0) -1 - local ext_idx = C.X509v3_get_ext_by_NID(extensions, nid, last_pos) - if ext_idx == -1 then - err = ("X509v3_get_ext_by_NID extension for %d not found"):format(nid) - return nil, -1, format_error(err) - end - - local ctx = C.X509v3_get_ext(extensions, ext_idx) - if ctx == nil then - return nil, nil, format_error("X509v3_get_ext") - end - - return ctx, ext_idx, nil -end - ---- Get a csr extension --- @tparam table self Instance of csr --- @tparam string|number Nid number or name of the extension --- @tparam number Position to start looking for the extension; default to look from start if omitted --- @treturn Parsed extension object or nil if not found -function _M:get_extension(nid_txt, last_pos) - local ctx, pos, err = get_extension(self.ctx, nid_txt, last_pos) - if err then - return nil, nil, "x509.csr:get_extension: " .. err - end - local ext, err = extension_lib.dup(ctx) - if err then - return nil, nil, "x509.csr:get_extension: " .. err - end - return ext, pos+1 -end - -local function modify_extension(replace, ctx, nid, toset, crit) - local extensions_ptr = stack_ptr_type() - extensions_ptr[0] = C.X509_REQ_get_extensions(ctx) - local need_cleanup = extensions_ptr[0] ~= nil and - -- extensions_ptr being nil is fine: it may just because there's no extension yet - -- https://github.com/openssl/openssl/commit/2039ac07b401932fa30a05ade80b3626e189d78a - -- introduces a change that a empty stack instead of NULL will be returned in no extension - -- is found. so we need to double check the number if it's not NULL. - stack_macro.OPENSSL_sk_num(extensions_ptr[0]) > 0 - - local flag - if replace then - -- x509v3.h: # define X509V3_ADD_REPLACE 2L - flag = 0x2 - else - -- x509v3.h: # define X509V3_ADD_APPEND 1L - flag = 0x1 - end - - local code = C.X509V3_add1_i2d(extensions_ptr, nid, toset, crit and 1 or 0, flag) - -- when the stack is newly allocated, we want to cleanup the newly created stack as well - -- setting the gc handler here as it's mutated in X509V3_add1_i2d if it's pointing to NULL - ffi_gc(extensions_ptr[0], x509_extensions_gc) - if code ~= 1 then - return false, format_error("X509V3_add1_i2d", code) - end - - code = C.X509_REQ_add_extensions(ctx, extensions_ptr[0]) - if code ~= 1 then - return false, format_error("X509_REQ_add_extensions", code) - end - - if need_cleanup then - -- cleanup old attributes - -- delete the first only, why? - local attr = C.X509_REQ_delete_attr(ctx, 0) - if attr ~= nil then - C.X509_ATTRIBUTE_free(attr) - end - end - - -- mark encoded form as invalid so next time it will be re-encoded - if OPENSSL_11_OR_LATER then - C.i2d_re_X509_REQ_tbs(ctx, nil) - else - ctx.req_info.enc.modified = 1 - end - - return true -end - -local function add_extension(...) - return modify_extension(false, ...) -end - -local function replace_extension(...) - return modify_extension(true, ...) -end - -function _M:add_extension(extension) - if not extension_lib.istype(extension) then - return false, "x509:set_extension: expect a x509.extension instance at #1" - end - - local nid = extension:get_object().nid - local toset = extension_lib.to_data(extension, nid) - return add_extension(self.ctx, nid, toset.ctx, extension:get_critical()) -end - -function _M:set_extension(extension) - if not extension_lib.istype(extension) then - return false, "x509:set_extension: expect a x509.extension instance at #1" - end - - local nid = extension:get_object().nid - local toset = extension_lib.to_data(extension, nid) - return replace_extension(self.ctx, nid, toset.ctx, extension:get_critical()) -end - -function _M:set_extension_critical(nid_txt, crit, last_pos) - local nid, err = txtnid2nid(nid_txt) - if err then - return nil, "x509.csr:set_extension_critical: " .. err - end - - local extension, _, err = get_extension(self.ctx, nid, last_pos) - if err then - return nil, "x509.csr:set_extension_critical: " .. err - end - - local toset = extension_lib.to_data({ - ctx = extension - }, nid) - return replace_extension(self.ctx, nid, toset.ctx, crit and 1 or 0) -end - -function _M:get_extension_critical(nid_txt, last_pos) - local ctx, _, err = get_extension(self.ctx, nid_txt, last_pos) - if err then - return nil, "x509.csr:get_extension_critical: " .. err - end - - return C.X509_EXTENSION_get_critical(ctx) == 1 -end - --- START AUTO GENERATED CODE - --- AUTO GENERATED -function _M:sign(pkey, digest) - if not pkey_lib.istype(pkey) then - return false, "x509.csr:sign: expect a pkey instance at #1" - end - - local digest_algo - if digest then - if not digest_lib.istype(digest) then - return false, "x509.csr:sign: expect a digest instance at #2" - elseif not digest.algo then - return false, "x509.csr:sign: expect a digest instance to have algo member" - end - digest_algo = digest.algo - elseif BORINGSSL then - digest_algo = C.EVP_get_digestbyname('sha256') - end - - -- returns size of signature if success - if C.X509_REQ_sign(self.ctx, pkey.ctx, digest_algo) == 0 then - return false, format_error("x509.csr:sign") - end - - return true -end - --- AUTO GENERATED -function _M:verify(pkey) - if not pkey_lib.istype(pkey) then - return false, "x509.csr:verify: expect a pkey instance at #1" - end - - local code = C.X509_REQ_verify(self.ctx, pkey.ctx) - if code == 1 then - return true - elseif code == 0 then - return false - else -- typically -1 - return false, format_error("x509.csr:verify", code) - end -end --- AUTO GENERATED -function _M:get_subject_name() - local got = accessors.get_subject_name(self.ctx) - if got == nil then - return nil - end - local lib = require("resty.openssl.x509.name") - -- the internal ptr is returned, ie we need to copy it - return lib.dup(got) -end - --- AUTO GENERATED -function _M:set_subject_name(toset) - local lib = require("resty.openssl.x509.name") - if lib.istype and not lib.istype(toset) then - return false, "x509.csr:set_subject_name: expect a x509.name instance at #1" - end - toset = toset.ctx - if accessors.set_subject_name(self.ctx, toset) == 0 then - return false, format_error("x509.csr:set_subject_name") - end - return true -end - --- AUTO GENERATED -function _M:get_pubkey() - local got = accessors.get_pubkey(self.ctx) - if got == nil then - return nil - end - local lib = require("resty.openssl.pkey") - -- returned a copied instance directly - return lib.new(got) -end - --- AUTO GENERATED -function _M:set_pubkey(toset) - local lib = require("resty.openssl.pkey") - if lib.istype and not lib.istype(toset) then - return false, "x509.csr:set_pubkey: expect a pkey instance at #1" - end - toset = toset.ctx - if accessors.set_pubkey(self.ctx, toset) == 0 then - return false, format_error("x509.csr:set_pubkey") - end - return true -end - --- AUTO GENERATED -function _M:get_version() - local got = accessors.get_version(self.ctx) - if got == nil then - return nil - end - - got = tonumber(got) + 1 - - return got -end - --- AUTO GENERATED -function _M:set_version(toset) - if type(toset) ~= "number" then - return false, "x509.csr:set_version: expect a number at #1" - end - - -- Note: this is defined by standards (X.509 et al) to be one less than the certificate version. - -- So a version 3 certificate will return 2 and a version 1 certificate will return 0. - toset = toset - 1 - - if accessors.set_version(self.ctx, toset) == 0 then - return false, format_error("x509.csr:set_version") - end - return true -end - -local NID_subject_alt_name = C.OBJ_sn2nid("subjectAltName") -assert(NID_subject_alt_name ~= 0) - --- AUTO GENERATED: EXTENSIONS -function _M:get_subject_alt_name() - local crit = ctypes.ptr_of_int() - local extensions = C.X509_REQ_get_extensions(self.ctx) - -- GC handler is sk_X509_EXTENSION_pop_free - ffi_gc(extensions, x509_extensions_gc) - local got = C.X509V3_get_d2i(extensions, NID_subject_alt_name, crit, nil) - crit = tonumber(crit[0]) - if crit == -1 then -- not found - return nil - elseif crit == -2 then - return nil, "x509.csr:get_subject_alt_name: extension of subject_alt_name occurs more than one times, " .. - "this is not yet implemented. Please use get_extension instead." - elseif got == nil then - return nil, format_error("x509.csr:get_subject_alt_name") - end - - -- Note: here we only free the stack itself not elements - -- since there seems no way to increase ref count for a GENERAL_NAME - -- we left the elements referenced by the new-dup'ed stack - local got_ref = got - ffi_gc(got_ref, stack_lib.gc_of("GENERAL_NAME")) - got = ffi_cast("GENERAL_NAMES*", got_ref) - local lib = require("resty.openssl.x509.altname") - -- the internal ptr is returned, ie we need to copy it - return lib.dup(got) -end - --- AUTO GENERATED: EXTENSIONS -function _M:set_subject_alt_name(toset) - local lib = require("resty.openssl.x509.altname") - if lib.istype and not lib.istype(toset) then - return false, "x509.csr:set_subject_alt_name: expect a x509.altname instance at #1" - end - toset = toset.ctx - return replace_extension(self.ctx, NID_subject_alt_name, toset) -end - --- AUTO GENERATED: EXTENSIONS -function _M:set_subject_alt_name_critical(crit) - return _M.set_extension_critical(self, NID_subject_alt_name, crit) -end - --- AUTO GENERATED: EXTENSIONS -function _M:get_subject_alt_name_critical() - return _M.get_extension_critical(self, NID_subject_alt_name) -end - - --- AUTO GENERATED -function _M:get_signature_nid() - local nid = accessors.get_signature_nid(self.ctx) - if nid <= 0 then - return nil, format_error("x509.csr:get_signature_nid") - end - - return nid -end - --- AUTO GENERATED -function _M:get_signature_name() - local nid = accessors.get_signature_nid(self.ctx) - if nid <= 0 then - return nil, format_error("x509.csr:get_signature_name") - end - - return ffi.string(C.OBJ_nid2sn(nid)) -end - --- AUTO GENERATED -function _M:get_signature_digest_name() - local nid = accessors.get_signature_nid(self.ctx) - if nid <= 0 then - return nil, format_error("x509.csr:get_signature_digest_name") - end - - local nid = find_sigid_algs(nid) - - return ffi.string(C.OBJ_nid2sn(nid)) -end --- END AUTO GENERATED CODE - -return _M - |