diff options
Diffstat (limited to 'server/resty/openssl/x509/extension.lua')
| -rw-r--r-- | server/resty/openssl/x509/extension.lua | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/server/resty/openssl/x509/extension.lua b/server/resty/openssl/x509/extension.lua deleted file mode 100644 index ca23158..0000000 --- a/server/resty/openssl/x509/extension.lua +++ /dev/null @@ -1,281 +0,0 @@ -local ffi = require "ffi" -local C = ffi.C -local ffi_gc = ffi.gc -local ffi_new = ffi.new -local ffi_cast = ffi.cast -local ffi_str = ffi.string - -require "resty.openssl.include.x509" -require "resty.openssl.include.x509.extension" -require "resty.openssl.include.x509v3" -require "resty.openssl.include.bio" -require "resty.openssl.include.conf" -local asn1_macro = require("resty.openssl.include.asn1") -local objects_lib = require "resty.openssl.objects" -local stack_lib = require("resty.openssl.stack") -local bio_util = require "resty.openssl.auxiliary.bio" -local format_error = require("resty.openssl.err").format_error -local OPENSSL_3X = require("resty.openssl.version").OPENSSL_3X -local BORINGSSL = require("resty.openssl.version").BORINGSSL - -local _M = {} -local mt = { __index = _M } - -local x509_extension_ptr_ct = ffi.typeof("X509_EXTENSION*") - -local extension_types = { - issuer = "resty.openssl.x509", - subject = "resty.openssl.x509", - request = "resty.openssl.x509.csr", - crl = "resty.openssl.x509.crl", -} - -if OPENSSL_3X then - extension_types["issuer_pkey"] = "resty.openssl.pkey" -end - -local nconf_load -if BORINGSSL then - nconf_load = function() - return nil, "NCONF_load_bio not exported in BoringSSL" - end -else - nconf_load = function(conf, str) - local bio = C.BIO_new_mem_buf(str, #str) - if bio == nil then - return format_error("BIO_new_mem_buf") - end - ffi_gc(bio, C.BIO_free) - - if C.NCONF_load_bio(conf, bio, nil) ~= 1 then - return format_error("NCONF_load_bio") - end - end -end - -function _M.new(txtnid, value, data) - local nid, err = objects_lib.txtnid2nid(txtnid) - if err then - return nil, "x509.extension.new: " .. err - end - if type(value) ~= 'string' then - return nil, "x509.extension.new: expect string at #2" - end - -- get a ptr and also zerofill the struct - local x509_ctx_ptr = ffi_new('X509V3_CTX[1]') - - local conf = C.NCONF_new(nil) - if conf == nil then - return nil, format_error("NCONF_new") - end - ffi_gc(conf, C.NCONF_free) - - if type(data) == 'table' then - local args = {} - if data.db then - if type(data.db) ~= 'string' then - return nil, "x509.extension.new: expect data.db must be a string" - end - err = nconf_load(conf, data) - if err then - return nil, "x509.extension.new: " .. err - end - end - - for k, t in pairs(extension_types) do - if data[k] then - local lib = require(t) - if not lib.istype(data[k]) then - return nil, "x509.extension.new: expect data." .. k .. " to be a " .. t .. " instance" - end - args[k] = data[k].ctx - end - end - C.X509V3_set_ctx(x509_ctx_ptr[0], args.issuer, args.subject, args.request, args.crl, 0) - - if OPENSSL_3X and args.issuer_pkey then - if C.X509V3_set_issuer_pkey(x509_ctx_ptr[0], args.issuer_pkey) ~= 1 then - return nil, format_error("x509.extension.new: X509V3_set_issuer_pkey") - end - end - - elseif type(data) == 'string' then - err = nconf_load(conf, data) - if err then - return nil, "x509.extension.new: " .. err - end - elseif data then - return nil, "x509.extension.new: expect nil, string a table at #3" - end - - -- setting conf is required for some extensions to load - -- crypto/x509/v3_conf.c:do_ext_conf "else if (method->r2i) {" branch - C.X509V3_set_nconf(x509_ctx_ptr[0], conf) - - local ctx = C.X509V3_EXT_nconf_nid(conf, x509_ctx_ptr[0], nid, value) - if ctx == nil then - return nil, format_error("x509.extension.new") - end - ffi_gc(ctx, C.X509_EXTENSION_free) - - local self = setmetatable({ - ctx = ctx, - }, mt) - - return self, nil -end - -function _M.istype(l) - return l and l.ctx and ffi.istype(x509_extension_ptr_ct, l.ctx) -end - -function _M.dup(ctx) - if not ffi.istype(x509_extension_ptr_ct, ctx) then - return nil, "x509.extension.dup: expect a x509.extension ctx at #1" - end - local ctx = C.X509_EXTENSION_dup(ctx) - if ctx == nil then - return nil, "x509.extension.dup: X509_EXTENSION_dup() failed" - end - - ffi_gc(ctx, C.X509_EXTENSION_free) - - local self = setmetatable({ - ctx = ctx, - }, mt) - - return self, nil -end - -function _M.from_der(value, txtnid, crit) - local nid, err = objects_lib.txtnid2nid(txtnid) - if err then - return nil, "x509.extension.from_der: " .. err - end - if type(value) ~= 'string' then - return nil, "x509.extension.from_der: expect string at #1" - end - - local asn1 = C.ASN1_STRING_new() - if asn1 == nil then - return nil, format_error("x509.extension.from_der: ASN1_STRING_new") - end - ffi_gc(asn1, C.ASN1_STRING_free) - - if C.ASN1_STRING_set(asn1, value, #value) ~= 1 then - return nil, format_error("x509.extension.from_der: ASN1_STRING_set") - end - - local ctx = C.X509_EXTENSION_create_by_NID(nil, nid, crit and 1 or 0, asn1) - if ctx == nil then - return nil, format_error("x509.extension.from_der: X509_EXTENSION_create_by_NID") - end - ffi_gc(ctx, C.X509_EXTENSION_free) - - local self = setmetatable({ - ctx = ctx, - }, mt) - - return self, nil -end - -function _M:to_der() - local asn1 = C.X509_EXTENSION_get_data(self.ctx) - - return ffi_str(asn1_macro.ASN1_STRING_get0_data(asn1)) -end - -function _M.from_data(any, txtnid, crit) - local nid, err = objects_lib.txtnid2nid(txtnid) - if err then - return nil, "x509.extension.from_der: " .. err - end - - if type(any) ~= "table" or type(any.ctx) ~= "cdata" then - return nil, "x509.extension.from_data: expect a table with ctx at #1" - elseif type(nid) ~= "number" then - return nil, "x509.extension.from_data: expect a table at #2" - end - - local ctx = C.X509V3_EXT_i2d(nid, crit and 1 or 0, any.ctx) - if ctx == nil then - return nil, format_error("x509.extension.from_data: X509V3_EXT_i2d") - end - ffi_gc(ctx, C.X509_EXTENSION_free) - - local self = setmetatable({ - ctx = ctx, - }, mt) - - return self, nil -end - -local NID_subject_alt_name = C.OBJ_sn2nid("subjectAltName") -assert(NID_subject_alt_name ~= 0) - -function _M.to_data(extension, nid) - if not _M.istype(extension) then - return nil, "x509.extension.dup: expect a x509.extension ctx at #1" - elseif type(nid) ~= "number" then - return nil, "x509.extension.to_data: expect a table at #2" - end - - local void_ptr = C.X509V3_EXT_d2i(extension.ctx) - if void_ptr == nil then - return nil, format_error("x509.extension:to_data: X509V3_EXT_d2i") - end - - if nid == NID_subject_alt_name then - -- 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 - ffi_gc(void_ptr, stack_lib.gc_of("GENERAL_NAME")) - local got = ffi_cast("GENERAL_NAMES*", void_ptr) - local lib = require("resty.openssl.x509.altname") - -- the internal ptr is returned, ie we need to copy it - return lib.dup(got) - end - - return nil, string.format("x509.extension:to_data: don't know how to convert to NID %d", nid) -end - -function _M:get_object() - -- retruns the internal pointer - local asn1 = C.X509_EXTENSION_get_object(self.ctx) - - return objects_lib.obj2table(asn1) -end - -function _M:get_critical() - return C.X509_EXTENSION_get_critical(self.ctx) == 1 -end - -function _M:set_critical(crit) - if C.X509_EXTENSION_set_critical(self.ctx, crit and 1 or 0) ~= 1 then - return false, format_error("x509.extension:set_critical") - end - return true -end - -function _M:tostring() - local ret, err = bio_util.read_wrap(C.X509V3_EXT_print, self.ctx, 0, 0) - if not err then - return ret - end - -- fallback to ASN.1 print - local asn1 = C.X509_EXTENSION_get_data(self.ctx) - return bio_util.read_wrap(C.ASN1_STRING_print, asn1) -end - -_M.text = _M.tostring - -mt.__tostring = function(tbl) - local txt, err = _M.text(tbl) - if err then - error(err) - end - return txt -end - - -return _M |