From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001 From: Erlang/OTP Date: Fri, 20 Nov 2009 14:54:40 +0000 Subject: The R13B03 release. --- lib/ssl/examples/certs/src/make_certs.erl | 261 ++++++++++++++++++++++++++++++ 1 file changed, 261 insertions(+) create mode 100644 lib/ssl/examples/certs/src/make_certs.erl (limited to 'lib/ssl/examples/certs/src/make_certs.erl') diff --git a/lib/ssl/examples/certs/src/make_certs.erl b/lib/ssl/examples/certs/src/make_certs.erl new file mode 100644 index 0000000000..c374836568 --- /dev/null +++ b/lib/ssl/examples/certs/src/make_certs.erl @@ -0,0 +1,261 @@ +%% The purpose of this module is to create example certificates for +%% testing. +%% Run it as: +%% +%% erl -noinput -run make_certs all "/path/to/openssl" -s erlang halt +%% + +-module(make_certs). +-export([all/0, all/1]). + +-record(dn, {commonName, + organizationalUnitName = "Erlang OTP", + organizationName = "Ericsson AB", + localityName = "Stockholm", + countryName = "SE", + emailAddress = "peter@erix.ericsson.se"}). + +all() -> + all(["openssl"]). + +all([OpenSSLCmd]) -> + Root = filename:dirname(filename:dirname((code:which(?MODULE)))), + %% io:fwrite("Root : ~s~n", [Root]), + NRoot = filename:join([Root, "etc"]), + file:make_dir(NRoot), + create_rnd(Root, "etc"), % For all requests + rootCA(NRoot, OpenSSLCmd, "erlangCA"), + intermediateCA(NRoot, OpenSSLCmd, "otpCA", "erlangCA"), + endusers(NRoot, OpenSSLCmd, "otpCA", ["client", "server"]), + collect_certs(NRoot, ["erlangCA", "otpCA"], ["client", "server"]), + remove_rnd(Root, "etc"). + +rootCA(Root, OpenSSLCmd, Name) -> + create_ca_dir(Root, Name, ca_cnf(Name)), + DN = #dn{commonName = Name}, + create_self_signed_cert(Root, OpenSSLCmd, Name, req_cnf(DN)), + ok. + +intermediateCA(Root, OpenSSLCmd, CA, ParentCA) -> + CA = "otpCA", + create_ca_dir(Root, CA, ca_cnf(CA)), + CARoot = filename:join([Root, CA]), + DN = #dn{commonName = CA}, + CnfFile = filename:join([CARoot, "req.cnf"]), + file:write_file(CnfFile, req_cnf(DN)), + KeyFile = filename:join([CARoot, "private", "key.pem"]), + ReqFile = filename:join([CARoot, "req.pem"]), + create_req(Root, OpenSSLCmd, CnfFile, KeyFile, ReqFile), + CertFile = filename:join([CARoot, "cert.pem"]), + sign_req(Root, OpenSSLCmd, ParentCA, "ca_cert", ReqFile, CertFile). + +endusers(Root, OpenSSLCmd, CA, Users) -> + lists:foreach(fun(User) -> enduser(Root, OpenSSLCmd, CA, User) end, Users). + +enduser(Root, OpenSSLCmd, CA, User) -> + UsrRoot = filename:join([Root, User]), + file:make_dir(UsrRoot), + CnfFile = filename:join([UsrRoot, "req.cnf"]), + DN = #dn{commonName = User}, + file:write_file(CnfFile, req_cnf(DN)), + KeyFile = filename:join([UsrRoot, "key.pem"]), + ReqFile = filename:join([UsrRoot, "req.pem"]), + create_req(Root, OpenSSLCmd, CnfFile, KeyFile, ReqFile), + CertFile = filename:join([UsrRoot, "cert.pem"]), + sign_req(Root, OpenSSLCmd, CA, "user_cert", ReqFile, CertFile). + +collect_certs(Root, CAs, Users) -> + Bins = lists:foldr( + fun(CA, Acc) -> + File = filename:join([Root, CA, "cert.pem"]), + {ok, Bin} = file:read_file(File), + [Bin, "\n" | Acc] + end, [], CAs), + lists:foreach( + fun(User) -> + File = filename:join([Root, User, "cacerts.pem"]), + file:write_file(File, Bins) + end, Users). + +create_self_signed_cert(Root, OpenSSLCmd, CAName, Cnf) -> + CARoot = filename:join([Root, CAName]), + CnfFile = filename:join([CARoot, "req.cnf"]), + file:write_file(CnfFile, Cnf), + KeyFile = filename:join([CARoot, "private", "key.pem"]), + CertFile = filename:join([CARoot, "cert.pem"]), + Cmd = [OpenSSLCmd, " req" + " -new" + " -x509" + " -config ", CnfFile, + " -keyout ", KeyFile, + " -out ", CertFile], + Env = [{"ROOTDIR", Root}], + cmd(Cmd, Env). + +create_ca_dir(Root, CAName, Cnf) -> + CARoot = filename:join([Root, CAName]), + file:make_dir(CARoot), + create_dirs(CARoot, ["certs", "crl", "newcerts", "private"]), + create_rnd(Root, filename:join([CAName, "private"])), + create_files(CARoot, [{"serial", "01\n"}, + {"index.txt", ""}, + {"ca.cnf", Cnf}]). + +create_req(Root, OpenSSLCmd, CnfFile, KeyFile, ReqFile) -> + Cmd = [OpenSSLCmd, " req" + " -new" + " -config ", CnfFile, + " -keyout ", KeyFile, + " -out ", ReqFile], + Env = [{"ROOTDIR", Root}], + cmd(Cmd, Env). + +sign_req(Root, OpenSSLCmd, CA, CertType, ReqFile, CertFile) -> + CACnfFile = filename:join([Root, CA, "ca.cnf"]), + Cmd = [OpenSSLCmd, " ca" + " -batch" + " -notext" + " -config ", CACnfFile, + " -extensions ", CertType, + " -in ", ReqFile, + " -out ", CertFile], + Env = [{"ROOTDIR", Root}], + cmd(Cmd, Env). + +%% +%% Misc +%% + +create_dirs(Root, Dirs) -> + lists:foreach(fun(Dir) -> + file:make_dir(filename:join([Root, Dir])) end, + Dirs). + +create_files(Root, NameContents) -> + lists:foreach( + fun({Name, Contents}) -> + file:write_file(filename:join([Root, Name]), Contents) end, + NameContents). + +create_rnd(Root, Dir) -> + From = filename:join([Root, "rnd", "RAND"]), + To = filename:join([Root, Dir, "RAND"]), + file:copy(From, To). + +remove_rnd(Root, Dir) -> + File = filename:join([Root, Dir, "RAND"]), + file:delete(File). + +cmd(Cmd, Env) -> + FCmd = lists:flatten(Cmd), + Port = open_port({spawn, FCmd}, [stream, eof, exit_status, + {env, Env}]), + eval_cmd(Port). + +eval_cmd(Port) -> + receive + {Port, {data, _}} -> + eval_cmd(Port); + {Port, eof} -> + ok + end, + receive + {Port, {exit_status, Status}} when Status /= 0 -> + %% io:fwrite("exit status: ~w~n", [Status]), + erlang:halt(Status) + after 0 -> + ok + end. + +%% +%% Contents of configuration files +%% + +req_cnf(DN) -> + ["# Purpose: Configuration for requests (end users and CAs)." + "\n" + "ROOTDIR = $ENV::ROOTDIR\n" + "\n" + + "[req]\n" + "input_password = secret\n" + "output_password = secret\n" + "default_bits = 1024\n" + "RANDFILE = $ROOTDIR/RAND\n" + "encrypt_key = no\n" + "default_md = sha1\n" + "#string_mask = pkix\n" + "x509_extensions = ca_ext\n" + "prompt = no\n" + "distinguished_name= name\n" + "\n" + + "[name]\n" + "commonName = ", DN#dn.commonName, "\n" + "organizationalUnitName = ", DN#dn.organizationalUnitName, "\n" + "organizationName = ", DN#dn.organizationName, "\n" + "localityName = ", DN#dn.localityName, "\n" + "countryName = ", DN#dn.countryName, "\n" + "emailAddress = ", DN#dn.emailAddress, "\n" + "\n" + + "[ca_ext]\n" + "basicConstraints = critical, CA:true\n" + "keyUsage = cRLSign, keyCertSign\n" + "subjectKeyIdentifier = hash\n" + "subjectAltName = email:copy\n"]. + + +ca_cnf(CA) -> + ["# Purpose: Configuration for CAs.\n" + "\n" + "ROOTDIR = $ENV::ROOTDIR\n" + "default_ca = ca\n" + "\n" + + "[ca]\n" + "dir = $ROOTDIR/", CA, "\n" + "certs = $dir/certs\n" + "crl_dir = $dir/crl\n" + "database = $dir/index.txt\n" + "new_certs_dir = $dir/newcerts\n" + "certificate = $dir/cert.pem\n" + "serial = $dir/serial\n" + "crl = $dir/crl.pem\n" + "private_key = $dir/private/key.pem\n" + "RANDFILE = $dir/private/RAND\n" + "\n" + "x509_extensions = user_cert\n" + "default_days = 3600\n" + "default_md = sha1\n" + "preserve = no\n" + "policy = policy_match\n" + "\n" + + "[policy_match]\n" + "commonName = supplied\n" + "organizationalUnitName = optional\n" + "organizationName = match\n" + "countryName = match\n" + "localityName = match\n" + "emailAddress = supplied\n" + "\n" + + "[user_cert]\n" + "basicConstraints = CA:false\n" + "keyUsage = nonRepudiation, digitalSignature, keyEncipherment\n" + "subjectKeyIdentifier = hash\n" + "authorityKeyIdentifier = keyid,issuer:always\n" + "subjectAltName = email:copy\n" + "issuerAltName = issuer:copy\n" + "\n" + + "[ca_cert]\n" + "basicConstraints = critical,CA:true\n" + "keyUsage = cRLSign, keyCertSign\n" + "subjectKeyIdentifier = hash\n" + "authorityKeyIdentifier = keyid:always,issuer:always\n" + "subjectAltName = email:copy\n" + "issuerAltName = issuer:copy\n"]. + + -- cgit v1.2.3