/* * $Id$ * 'OpenSSL for Ruby' project * Copyright (C) 2000-2002 GOTOU Yuuzou * Copyright (C) 2001-2002 Michal Rokos * All rights reserved. */ /* * This program is licenced under the same licence as Ruby. * (See the file 'LICENCE'.) */ #include "ossl.h" #include #include #if defined(HAVE_UNISTD_H) # include /* for read(), and write() */ #endif #define numberof(ary) (sizeof(ary)/sizeof(ary[0])) #ifdef _WIN32 # define TO_SOCKET(s) _get_osfhandle(s) #else # define TO_SOCKET(s) s #endif VALUE mSSL; VALUE eSSLError; VALUE cSSLContext; VALUE cSSLSocket; #define ossl_sslctx_set_cert(o,v) rb_iv_set((o),"@cert",(v)) #define ossl_sslctx_set_key(o,v) rb_iv_set((o),"@key",(v)) #define ossl_sslctx_set_client_ca(o,v) rb_iv_set((o),"@client_ca",(v)) #define ossl_sslctx_set_ca_file(o,v) rb_iv_set((o),"@ca_file",(v)) #define ossl_sslctx_set_ca_path(o,v) rb_iv_set((o),"@ca_path",(v)) #define ossl_sslctx_set_timeout(o,v) rb_iv_set((o),"@timeout",(v)) #define ossl_sslctx_set_verify_mode(o,v) rb_iv_set((o),"@verify_mode",(v)) #define ossl_sslctx_set_verify_dep(o,v) rb_iv_set((o),"@verify_depth",(v)) #define ossl_sslctx_set_verify_cb(o,v) rb_iv_set((o),"@verify_callback",(v)) #define ossl_sslctx_set_options(o,v) rb_iv_set((o),"@options",(v)) #define ossl_sslctx_set_cert_store(o,v) rb_iv_set((o),"@cert_store",(v)) #define ossl_sslctx_set_extra_cert(o,v) rb_iv_set((o),"@extra_chain_cert",(v)) #define ossl_sslctx_set_client_cert_cb(o,v) rb_iv_set((o),"@client_cert_cb",(v)) #define ossl_sslctx_set_tmp_dh_cb(o,v) rb_iv_set((o),"@tmp_dh_callback",(v)) #define ossl_sslctx_set_sess_id_ctx(o, v) rb_iv_get((o),"@session_id_context"(v)) #define ossl_sslctx_get_cert(o) rb_iv_get((o),"@cert") #define ossl_sslctx_get_key(o) rb_iv_get((o),"@key") #define ossl_sslctx_get_client_ca(o) rb_iv_get((o),"@client_ca") #define ossl_sslctx_get_ca_file(o) rb_iv_get((o),"@ca_file") #define ossl_sslctx_get_ca_path(o) rb_iv_get((o),"@ca_path") #define ossl_sslctx_get_timeout(o) rb_iv_get((o),"@timeout") #define ossl_sslctx_get_verify_mode(o) rb_iv_get((o),"@verify_mode") #define ossl_sslctx_get_verify_dep(o) rb_iv_get((o),"@verify_depth") #define ossl_sslctx_get_verify_cb(o) rb_iv_get((o),"@verify_callback") #define ossl_sslctx_get_options(o) rb_iv_get((o),"@options") #define ossl_sslctx_get_cert_store(o) rb_iv_get((o),"@cert_store") #define ossl_sslctx_get_extra_cert(o) rb_iv_get((o),"@extra_chain_cert") #define ossl_sslctx_get_client_cert_cb(o) rb_iv_get((o),"@client_cert_cb") #define ossl_sslctx_get_tmp_dh_cb(o) rb_iv_get((o),"@tmp_dh_callback") #define ossl_sslctx_get_sess_id_ctx(o) rb_iv_get((o),"@session_id_context") static const char *ossl_sslctx_attrs[] = { "cert", "key", "client_ca", "ca_file", "ca_path", "timeout", "verify_mode", "verify_depth", "verify_callback", "options", "cert_store", "extra_chain_cert", "client_cert_cb", "tmp_dh_callback", "session_id_context", }; #define ossl_ssl_get_io(o) rb_iv_get((o),"@io") #define ossl_ssl_get_ctx(o) rb_iv_get((o),"@context") #define ossl_ssl_get_sync_close(o) rb_iv_get((o),"@sync_close") #define ossl_ssl_get_x509(o) rb_iv_get((o),"@x509") #define ossl_ssl_get_key(o) rb_iv_get((o),"@key") #define ossl_ssl_get_tmp_dh(o) rb_iv_get((o),"@tmp_dh") #define ossl_ssl_set_io(o,v) rb_iv_set((o),"@io",(v)) #define ossl_ssl_set_ctx(o,v) rb_iv_set((o),"@context",(v)) #define ossl_ssl_set_sync_close(o,v) rb_iv_set((o),"@sync_close",(v)) #define ossl_ssl_set_x509(o,v) rb_iv_set((o),"@x509",(v)) #define ossl_ssl_set_key(o,v) rb_iv_set((o),"@key",(v)) #define ossl_ssl_set_tmp_dh(o,v) rb_iv_set((o),"@tmp_dh",(v)) static const char *ossl_ssl_attr_readers[] = { "io", "context", }; static const char *ossl_ssl_attrs[] = { "sync_close", }; /* * SSLContext class */ struct { const char *name; SSL_METHOD *(*func)(void); } ossl_ssl_method_tab[] = { #define OSSL_SSL_METHOD_ENTRY(name) { #name, name##_method } OSSL_SSL_METHOD_ENTRY(TLSv1), OSSL_SSL_METHOD_ENTRY(TLSv1_server), OSSL_SSL_METHOD_ENTRY(TLSv1_client), OSSL_SSL_METHOD_ENTRY(SSLv2), OSSL_SSL_METHOD_ENTRY(SSLv2_server), OSSL_SSL_METHOD_ENTRY(SSLv2_client), OSSL_SSL_METHOD_ENTRY(SSLv3), OSSL_SSL_METHOD_ENTRY(SSLv3_server), OSSL_SSL_METHOD_ENTRY(SSLv3_client), OSSL_SSL_METHOD_ENTRY(SSLv23), OSSL_SSL_METHOD_ENTRY(SSLv23_server), OSSL_SSL_METHOD_ENTRY(SSLv23_client), #undef OSSL_SSL_METHOD_ENTRY }; int ossl_ssl_ex_vcb_idx; int ossl_ssl_ex_store_p; int ossl_ssl_ex_ptr_idx; int ossl_ssl_ex_client_cert_cb_idx; int ossl_ssl_ex_tmp_dh_callback_idx; static void ossl_sslctx_free(SSL_CTX *ctx) { if(ctx && SSL_CTX_get_ex_data(ctx, ossl_ssl_ex_store_p)== (void*)1) ctx->cert_store = NULL; SSL_CTX_free(ctx); } static VALUE ossl_sslctx_s_alloc(VALUE klass) { SSL_CTX *ctx; ctx = SSL_CTX_new(SSLv23_method()); if (!ctx) { ossl_raise(eSSLError, "SSL_CTX_new:"); } SSL_CTX_set_mode(ctx, SSL_MODE_ENABLE_PARTIAL_WRITE); SSL_CTX_set_options(ctx, SSL_OP_ALL); return Data_Wrap_Struct(klass, 0, ossl_sslctx_free, ctx); } static VALUE ossl_sslctx_initialize(int argc, VALUE *argv, VALUE self) { VALUE ssl_method; SSL_METHOD *method = NULL; SSL_CTX *ctx; int i; const char *s; for(i = 0; i < numberof(ossl_sslctx_attrs); i++){ char buf[32]; snprintf(buf, sizeof(buf), "@%s", ossl_sslctx_attrs[i]); rb_iv_set(self, buf, Qnil); } if (rb_scan_args(argc, argv, "01", &ssl_method) == 0){ return self; } if(TYPE(ssl_method) == T_SYMBOL) s = rb_id2name(SYM2ID(ssl_method)); else s = StringValuePtr(ssl_method); for (i = 0; i < numberof(ossl_ssl_method_tab); i++) { if (strcmp(ossl_ssl_method_tab[i].name, s) == 0) { method = ossl_ssl_method_tab[i].func(); break; } } if (!method) { ossl_raise(rb_eArgError, "unknown SSL method `%s'.", s); } Data_Get_Struct(self, SSL_CTX, ctx); if (SSL_CTX_set_ssl_version(ctx, method) != 1) { ossl_raise(eSSLError, "SSL_CTX_set_ssl_version:"); } return self; } static VALUE ossl_call_client_cert_cb(VALUE obj) { VALUE cb, ary, cert, key; SSL *ssl; Data_Get_Struct(obj, SSL, ssl); cb = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_client_cert_cb_idx); if (NIL_P(cb)) return Qfalse; ary = rb_funcall(cb, rb_intern("call"), 1, obj); Check_Type(ary, T_ARRAY); GetX509CertPtr(cert = rb_ary_entry(ary, 0)); GetPKeyPtr(key = rb_ary_entry(ary, 1)); ossl_ssl_set_x509(obj, cert); ossl_ssl_set_key(obj, key); return Qtrue; } static int ossl_client_cert_cb(SSL *ssl, X509 **x509, EVP_PKEY **pkey) { VALUE obj; int status, success; obj = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx); success = rb_protect((VALUE(*)_((VALUE)))ossl_call_client_cert_cb, obj, &status); if (status || !success) return 0; *x509 = DupX509CertPtr(ossl_ssl_get_x509(obj)); *pkey = DupPKeyPtr(ossl_ssl_get_key(obj)); return 1; } #if !defined(OPENSSL_NO_DH) static VALUE ossl_call_tmp_dh_callback(VALUE *args) { SSL *ssl; VALUE cb, dh; EVP_PKEY *pkey; Data_Get_Struct(args[0], SSL, ssl); cb = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_tmp_dh_callback_idx); if (NIL_P(cb)) return Qfalse; dh = rb_funcall(cb, rb_intern("call"), 3, args[0], args[1], args[2]); pkey = GetPKeyPtr(dh); if (EVP_PKEY_type(pkey->type) != EVP_PKEY_DH) return Qfalse; ossl_ssl_set_tmp_dh(args[0], dh); return Qtrue; } static DH* ossl_tmp_dh_callback(SSL *ssl, int is_export, int keylength) { VALUE args[3]; int status, success; args[0] = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx); args[1] = INT2FIX(is_export); args[2] = INT2FIX(keylength); success = rb_protect((VALUE(*)_((VALUE)))ossl_call_tmp_dh_callback, (VALUE)args, &status); if (status || !success) return NULL; return GetPKeyPtr(ossl_ssl_get_tmp_dh(args[0]))->pkey.dh; } static DH* ossl_default_tmp_dh_callback(SSL *ssl, int is_export, int keylength) { switch(keylength){ case 512: return OSSL_DEFAULT_DH_512; case 1024: return OSSL_DEFAULT_DH_1024; } return NULL; } #endif /* OPENSSL_NO_DH */ static int ossl_ssl_verify_callback(int preverify_ok, X509_STORE_CTX *ctx) { VALUE cb; SSL *ssl; ssl = X509_STORE_CTX_get_ex_data(ctx, SSL_get_ex_data_X509_STORE_CTX_idx()); cb = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_vcb_idx); X509_STORE_CTX_set_ex_data(ctx, ossl_verify_cb_idx, (void*)cb); return ossl_verify_cb(preverify_ok, ctx); } static VALUE ossl_sslctx_add_extra_chain_cert_i(VALUE i, VALUE arg) { X509 *x509; SSL_CTX *ctx; Data_Get_Struct(arg, SSL_CTX, ctx); x509 = DupX509CertPtr(i); if(!SSL_CTX_add_extra_chain_cert(ctx, x509)){ ossl_raise(eSSLError, NULL); } return i; } static VALUE ossl_sslctx_setup(VALUE self) { SSL_CTX *ctx; X509 *cert = NULL, *client_ca = NULL; X509_STORE *store; EVP_PKEY *key = NULL; char *ca_path = NULL, *ca_file = NULL; int i, verify_mode; VALUE val; if(OBJ_FROZEN(self)) return Qnil; Data_Get_Struct(self, SSL_CTX, ctx); #if !defined(OPENSSL_NO_DH) if (RTEST(ossl_sslctx_get_tmp_dh_cb(self))){ SSL_CTX_set_tmp_dh_callback(ctx, ossl_tmp_dh_callback); } else{ rb_warning("using default DH parameters."); SSL_CTX_set_tmp_dh_callback(ctx, ossl_default_tmp_dh_callback); } #endif val = ossl_sslctx_get_cert_store(self); if(!NIL_P(val)){ /* * WORKAROUND: * X509_STORE can count references, but * X509_STORE_free() doesn't care it. * So we won't increment it but mark it by ex_data. */ store = GetX509StorePtr(val); /* NO NEED TO DUP */ SSL_CTX_set_cert_store(ctx, store); SSL_CTX_set_ex_data(ctx, ossl_ssl_ex_store_p, (void*)1); } val = ossl_sslctx_get_extra_cert(self); if(!NIL_P(val)){ rb_block_call(val, rb_intern("each"), 0, 0, ossl_sslctx_add_extra_chain_cert_i, self); } /* private key may be bundled in certificate file. */ val = ossl_sslctx_get_cert(self); cert = NIL_P(val) ? NULL : GetX509CertPtr(val); /* NO DUP NEEDED */ val = ossl_sslctx_get_key(self); key = NIL_P(val) ? NULL : GetPKeyPtr(val); /* NO DUP NEEDED */ if (cert && key) { if (!SSL_CTX_use_certificate(ctx, cert)) { /* Adds a ref => Safe to FREE */ ossl_raise(eSSLError, "SSL_CTX_use_certificate:"); } if (!SSL_CTX_use_PrivateKey(ctx, key)) { /* Adds a ref => Safe to FREE */ ossl_raise(eSSLError, "SSL_CTX_use_PrivateKey:"); } if (!SSL_CTX_check_private_key(ctx)) { ossl_raise(eSSLError, "SSL_CTX_check_private_key:"); } } val = ossl_sslctx_get_client_ca(self); if(!NIL_P(val)){ if(TYPE(val) == T_ARRAY){ for(i = 0; i < RARRAY_LEN(val); i++){ client_ca = GetX509CertPtr(RARRAY_PTR(val)[i]); if (!SSL_CTX_add_client_CA(ctx, client_ca)){ /* Copies X509_NAME => FREE it. */ ossl_raise(eSSLError, "SSL_CTX_add_client_CA"); } } } else{ client_ca = GetX509CertPtr(val); /* NO DUP NEEDED. */ if (!SSL_CTX_add_client_CA(ctx, client_ca)){ /* Copies X509_NAME => FREE it. */ ossl_raise(eSSLError, "SSL_CTX_add_client_CA"); } } } val = ossl_sslctx_get_ca_file(self); ca_file = NIL_P(val) ? NULL : StringValuePtr(val); val = ossl_sslctx_get_ca_path(self); ca_path = NIL_P(val) ? NULL : StringValuePtr(val); if(ca_file || ca_path){ if (!SSL_CTX_load_verify_locations(ctx, ca_file, ca_path)) rb_warning("can't set verify locations"); } val = ossl_sslctx_get_verify_mode(self); verify_mode = NIL_P(val) ? SSL_VERIFY_NONE : NUM2INT(val); SSL_CTX_set_verify(ctx, verify_mode, ossl_ssl_verify_callback); if (RTEST(ossl_sslctx_get_client_cert_cb(self))) SSL_CTX_set_client_cert_cb(ctx, ossl_client_cert_cb); val = ossl_sslctx_get_timeout(self); if(!NIL_P(val)) SSL_CTX_set_timeout(ctx, NUM2LONG(val)); val = ossl_sslctx_get_verify_dep(self); if(!NIL_P(val)) SSL_CTX_set_verify_depth(ctx, NUM2LONG(val)); val = ossl_sslctx_get_options(self); if(!NIL_P(val)) SSL_CTX_set_options(ctx, NUM2LONG(val)); rb_obj_freeze(self); val = ossl_sslctx_get_sess_id_ctx(self); if (!NIL_P(val)){ StringValue(val); if (!SSL_CTX_set_session_id_context(ctx, RSTRING_PTR(val), RSTRING_LEN(val))){ ossl_raise(eSSLError, "SSL_CTX_set_session_id_context:"); } } return Qtrue; } static VALUE ossl_ssl_cipher_to_ary(SSL_CIPHER *cipher) { VALUE ary; int bits, alg_bits; ary = rb_ary_new2(4); rb_ary_push(ary, rb_str_new2(SSL_CIPHER_get_name(cipher))); rb_ary_push(ary, rb_str_new2(SSL_CIPHER_get_version(cipher))); bits = SSL_CIPHER_get_bits(cipher, &alg_bits); rb_ary_push(ary, INT2FIX(bits)); rb_ary_push(ary, INT2FIX(alg_bits)); return ary; } static VALUE ossl_sslctx_get_ciphers(VALUE self) { SSL_CTX *ctx; STACK_OF(SSL_CIPHER) *ciphers; SSL_CIPHER *cipher; VALUE ary; int i, num; Data_Get_Struct(self, SSL_CTX, ctx); if(!ctx){ rb_warning("SSL_CTX is not initialized."); return Qnil; } ciphers = ctx->cipher_list; if (!ciphers) return rb_ary_new(); num = sk_num((STACK*)ciphers); ary = rb_ary_new2(num); for(i = 0; i < num; i++){ cipher = (SSL_CIPHER*)sk_value((STACK*)ciphers, i); rb_ary_push(ary, ossl_ssl_cipher_to_ary(cipher)); } return ary; } static VALUE ossl_sslctx_set_ciphers(VALUE self, VALUE v) { SSL_CTX *ctx; VALUE str, elem; int i; rb_check_frozen(self); if (NIL_P(v)) return v; else if (TYPE(v) == T_ARRAY) { str = rb_str_new(0, 0); for (i = 0; i < RARRAY_LEN(v); i++) { elem = rb_ary_entry(v, i); if (TYPE(elem) == T_ARRAY) elem = rb_ary_entry(elem, 0); elem = rb_String(elem); rb_str_append(str, elem); if (i < RARRAY_LEN(v)-1) rb_str_cat2(str, ":"); } } else { str = v; StringValue(str); } Data_Get_Struct(self, SSL_CTX, ctx); if(!ctx){ ossl_raise(eSSLError, "SSL_CTX is not initialized."); return Qnil; } if (!SSL_CTX_set_cipher_list(ctx, RSTRING_PTR(str))) { ossl_raise(eSSLError, "SSL_CTX_set_cipher_list:"); } return v; } /* * SSLSocket class */ static void ossl_ssl_shutdown(SSL *ssl) { if (ssl) { SSL_shutdown(ssl); SSL_clear(ssl); } } static void ossl_ssl_free(SSL *ssl) { ossl_ssl_shutdown(ssl); SSL_free(ssl); } static VALUE ossl_ssl_s_alloc(VALUE klass) { return Data_Wrap_Struct(klass, 0, ossl_ssl_free, NULL); } static VALUE ossl_ssl_initialize(int argc, VALUE *argv, VALUE self) { VALUE io, ctx; if (rb_scan_args(argc, argv, "11", &io, &ctx) == 1) { ctx = rb_funcall(cSSLContext, rb_intern("new"), 0); } OSSL_Check_Kind(ctx, cSSLContext); Check_Type(io, T_FILE); ossl_ssl_set_io(self, io); ossl_ssl_set_ctx(self, ctx); ossl_ssl_set_sync_close(self, Qfalse); ossl_sslctx_setup(ctx); rb_call_super(0, 0); return self; } static VALUE ossl_ssl_setup(VALUE self) { VALUE io, v_ctx, cb; SSL_CTX *ctx; SSL *ssl; rb_io_t *fptr; Data_Get_Struct(self, SSL, ssl); if(!ssl){ v_ctx = ossl_ssl_get_ctx(self); Data_Get_Struct(v_ctx, SSL_CTX, ctx); ssl = SSL_new(ctx); if (!ssl) { ossl_raise(eSSLError, "SSL_new:"); } DATA_PTR(self) = ssl; io = ossl_ssl_get_io(self); GetOpenFile(io, fptr); rb_io_check_readable(fptr); rb_io_check_writable(fptr); SSL_set_fd(ssl, TO_SOCKET(FPTR_TO_FD(fptr))); SSL_set_ex_data(ssl, ossl_ssl_ex_ptr_idx, (void*)self); cb = ossl_sslctx_get_verify_cb(v_ctx); SSL_set_ex_data(ssl, ossl_ssl_ex_vcb_idx, (void*)cb); cb = ossl_sslctx_get_client_cert_cb(v_ctx); SSL_set_ex_data(ssl, ossl_ssl_ex_client_cert_cb_idx, (void*)cb); cb = ossl_sslctx_get_tmp_dh_cb(v_ctx); SSL_set_ex_data(ssl, ossl_ssl_ex_tmp_dh_callback_idx, (void*)cb); } return Qtrue; } #ifdef _WIN32 #define ssl_get_error(ssl, ret) (errno = WSAGetLastError(), SSL_get_error(ssl, ret)) #else #define ssl_get_error(ssl, ret) SSL_get_error(ssl, ret) #endif static VALUE ossl_start_ssl(VALUE self, int (*func)()) { SSL *ssl; rb_io_t *fptr; int ret; Data_Get_Struct(self, SSL, ssl); GetOpenFile(ossl_ssl_get_io(self), fptr); for(;;){ if((ret = func(ssl)) > 0) break; switch(ssl_get_error(ssl, ret)){ case SSL_ERROR_WANT_WRITE: rb_io_wait_writable(FPTR_TO_FD(fptr)); continue; case SSL_ERROR_WANT_READ: rb_io_wait_readable(FPTR_TO_FD(fptr)); continue; case SSL_ERROR_SYSCALL: if (errno) rb_sys_fail(0); default: ossl_raise(eSSLError, NULL); } } return self; } static VALUE ossl_ssl_connect(VALUE self) { ossl_ssl_setup(self); return ossl_start_ssl(self, SSL_connect); } static VALUE ossl_ssl_accept(VALUE self) { ossl_ssl_setup(self); return ossl_start_ssl(self, SSL_accept); } static VALUE ossl_ssl_read(int argc, VALUE *argv, VALUE self) { SSL *ssl; int ilen, nread = 0; VALUE len, str; rb_io_t *fptr; rb_scan_args(argc, argv, "11", &len, &str); ilen = NUM2INT(len); if(NIL_P(str)) str = rb_str_new(0, ilen); else{ StringValue(str); rb_str_modify(str); rb_str_resize(str, ilen); } if(ilen == 0) return str; Data_Get_Struct(self, SSL, ssl); GetOpenFile(ossl_ssl_get_io(self), fptr); if (ssl) { if(SSL_pending(ssl) <= 0) rb_thread_wait_fd(FPTR_TO_FD(fptr)); for (;;){ nread = SSL_read(ssl, RSTRING_PTR(str), RSTRING_LEN(str)); switch(ssl_get_error(ssl, nread)){ case SSL_ERROR_NONE: goto end; case SSL_ERROR_ZERO_RETURN: rb_eof_error(); case SSL_ERROR_WANT_WRITE: rb_io_wait_writable(FPTR_TO_FD(fptr)); continue; case SSL_ERROR_WANT_READ: rb_io_wait_readable(FPTR_TO_FD(fptr)); continue; case SSL_ERROR_SYSCALL: if(ERR_peek_error() == 0 && nread == 0) rb_eof_error(); rb_sys_fail(0); default: ossl_raise(eSSLError, "SSL_read:"); } } } else { ID id_sysread = rb_intern("sysread"); rb_warning("SSL session is not started yet."); return rb_funcall(ossl_ssl_get_io(self), id_sysread, 2, len, str); } end: rb_str_set_len(str, nread); OBJ_TAINT(str); return str; } static VALUE ossl_ssl_write(VALUE self, VALUE str) { SSL *ssl; int nwrite = 0; rb_io_t *fptr; StringValue(str); Data_Get_Struct(self, SSL, ssl); GetOpenFile(ossl_ssl_get_io(self), fptr); if (ssl) { for (;;){ nwrite = SSL_write(ssl, RSTRING_PTR(str), RSTRING_LEN(str)); switch(ssl_get_error(ssl, nwrite)){ case SSL_ERROR_NONE: goto end; case SSL_ERROR_WANT_WRITE: rb_io_wait_writable(FPTR_TO_FD(fptr)); continue; case SSL_ERROR_WANT_READ: rb_io_wait_readable(FPTR_TO_FD(fptr)); continue; case SSL_ERROR_SYSCALL: if (errno) rb_sys_fail(0); default: ossl_raise(eSSLError, "SSL_write:"); } } } else { ID id_syswrite = rb_intern("syswrite"); rb_warning("SSL session is not started yet."); return rb_funcall(ossl_ssl_get_io(self), id_syswrite, 1, str); } end: return INT2NUM(nwrite); } static VALUE ossl_ssl_close(VALUE self) { SSL *ssl; Data_Get_Struct(self, SSL, ssl); ossl_ssl_shutdown(ssl); if (RTEST(ossl_ssl_get_sync_close(self))) rb_funcall(ossl_ssl_get_io(self), rb_intern("close"), 0); return Qnil; } static VALUE ossl_ssl_get_cert(VALUE self) { SSL *ssl; X509 *cert = NULL; Data_Get_Struct(self, SSL, ssl); if (ssl) { rb_warning("SSL session is not started yet."); return Qnil; } /* * Is this OpenSSL bug? Should add a ref? * TODO: Ask for. */ cert = SSL_get_certificate(ssl); /* NO DUPs => DON'T FREE. */ if (!cert) { return Qnil; } return ossl_x509_new(cert); } static VALUE ossl_ssl_get_peer_cert(VALUE self) { SSL *ssl; X509 *cert = NULL; VALUE obj; Data_Get_Struct(self, SSL, ssl); if (!ssl){ rb_warning("SSL session is not started yet."); return Qnil; } cert = SSL_get_peer_certificate(ssl); /* Adds a ref => Safe to FREE. */ if (!cert) { return Qnil; } obj = ossl_x509_new(cert); X509_free(cert); return obj; } static VALUE ossl_ssl_get_peer_cert_chain(VALUE self) { SSL *ssl; STACK_OF(X509) *chain; X509 *cert; VALUE ary; int i, num; Data_Get_Struct(self, SSL, ssl); if(!ssl){ rb_warning("SSL session is not started yet."); return Qnil; } chain = SSL_get_peer_cert_chain(ssl); if(!chain) return Qnil; num = sk_num(chain); ary = rb_ary_new2(num); for (i = 0; i < num; i++){ cert = (X509*)sk_value(chain, i); rb_ary_push(ary, ossl_x509_new(cert)); } return ary; } static VALUE ossl_ssl_get_cipher(VALUE self) { SSL *ssl; SSL_CIPHER *cipher; Data_Get_Struct(self, SSL, ssl); if (!ssl) { rb_warning("SSL session is not started yet."); return Qnil; } cipher = SSL_get_current_cipher(ssl); return ossl_ssl_cipher_to_ary(cipher); } static VALUE ossl_ssl_get_state(VALUE self) { SSL *ssl; VALUE ret; Data_Get_Struct(self, SSL, ssl); if (!ssl) { rb_warning("SSL session is not started yet."); return Qnil; } ret = rb_str_new2(SSL_state_string(ssl)); if (ruby_verbose) { rb_str_cat2(ret, ": "); rb_str_cat2(ret, SSL_state_string_long(ssl)); } return ret; } static VALUE ossl_ssl_pending(VALUE self) { SSL *ssl; Data_Get_Struct(self, SSL, ssl); if (!ssl) { rb_warning("SSL session is not started yet."); return Qnil; } return INT2NUM(SSL_pending(ssl)); } void Init_ossl_ssl() { int i; #if 0 /* let rdoc know about mOSSL */ mOSSL = rb_define_module("OpenSSL"); #endif ossl_ssl_ex_vcb_idx = SSL_get_ex_new_index(0,"ossl_ssl_ex_vcb_idx",0,0,0); ossl_ssl_ex_store_p = SSL_get_ex_new_index(0,"ossl_ssl_ex_store_p",0,0,0); ossl_ssl_ex_ptr_idx = SSL_get_ex_new_index(0,"ossl_ssl_ex_ptr_idx",0,0,0); ossl_ssl_ex_client_cert_cb_idx = SSL_get_ex_new_index(0,"ossl_ssl_ex_client_cert_cb_idx",0,0,0); ossl_ssl_ex_tmp_dh_callback_idx = SSL_get_ex_new_index(0,"ossl_ssl_ex_tmp_dh_callback_idx",0,0,0); mSSL = rb_define_module_under(mOSSL, "SSL"); eSSLError = rb_define_class_under(mSSL, "SSLError", eOSSLError); /* class SSLContext */ cSSLContext = rb_define_class_under(mSSL, "SSLContext", rb_cObject); rb_define_alloc_func(cSSLContext, ossl_sslctx_s_alloc); for(i = 0; i < numberof(ossl_sslctx_attrs); i++) rb_attr(cSSLContext, rb_intern(ossl_sslctx_attrs[i]), 1, 1, Qfalse); rb_define_method(cSSLContext, "initialize", ossl_sslctx_initialize, -1); rb_define_method(cSSLContext, "ciphers", ossl_sslctx_get_ciphers, 0); rb_define_method(cSSLContext, "ciphers=", ossl_sslctx_set_ciphers, 1); /* class SSLSocket */ cSSLSocket = rb_define_class_under(mSSL, "SSLSocket", rb_cObject); rb_define_alloc_func(cSSLSocket, ossl_ssl_s_alloc); for(i = 0; i < numberof(ossl_ssl_attr_readers); i++) rb_attr(cSSLSocket, rb_intern(ossl_ssl_attr_readers[i]), 1, 0, Qfalse); for(i = 0; i < numberof(ossl_ssl_attrs); i++) rb_attr(cSSLSocket, rb_intern(ossl_ssl_attrs[i]), 1, 1, Qfalse); rb_define_alias(cSSLSocket, "to_io", "io"); rb_define_method(cSSLSocket, "initialize", ossl_ssl_initialize, -1); rb_define_method(cSSLSocket, "connect", ossl_ssl_connect, 0); rb_define_method(cSSLSocket, "accept", ossl_ssl_accept, 0); rb_define_method(cSSLSocket, "sysread", ossl_ssl_read, -1); rb_define_method(cSSLSocket, "syswrite", ossl_ssl_write, 1); rb_define_method(cSSLSocket, "sysclose", ossl_ssl_close, 0); rb_define_method(cSSLSocket, "cert", ossl_ssl_get_cert, 0); rb_define_method(cSSLSocket, "peer_cert", ossl_ssl_get_peer_cert, 0); rb_define_method(cSSLSocket, "peer_cert_chain", ossl_ssl_get_peer_cert_chain, 0); rb_define_method(cSSLSocket, "cipher", ossl_ssl_get_cipher, 0); rb_define_method(cSSLSocket, "state", ossl_ssl_get_state, 0); rb_define_method(cSSLSocket, "pending", ossl_ssl_pending, 0); #define ossl_ssl_def_const(x) rb_define_const(mSSL, #x, INT2FIX(SSL_##x)) ossl_ssl_def_const(VERIFY_NONE); ossl_ssl_def_const(VERIFY_PEER); ossl_ssl_def_const(VERIFY_FAIL_IF_NO_PEER_CERT); ossl_ssl_def_const(VERIFY_CLIENT_ONCE); /* Not introduce constants included in OP_ALL such as... * ossl_ssl_def_const(OP_MICROSOFT_SESS_ID_BUG); * ossl_ssl_def_const(OP_NETSCAPE_CHALLENGE_BUG); * ossl_ssl_def_const(OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG); * ossl_ssl_def_const(OP_SSLREF2_REUSE_CERT_TYPE_BUG); * ossl_ssl_def_const(OP_MICROSOFT_BIG_SSLV3_BUFFER); * ossl_ssl_def_const(OP_MSIE_SSLV2_RSA_PADDING); * ossl_ssl_def_const(OP_SSLEAY_080_CLIENT_DH_BUG); * ossl_ssl_def_const(OP_TLS_D5_BUG); * ossl_ssl_def_const(OP_TLS_BLOCK_PADDING_BUG); * ossl_ssl_def_const(OP_DONT_INSERT_EMPTY_FRAGMENTS); */ ossl_ssl_def_const(OP_ALL); #if defined(SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION) ossl_ssl_def_const(OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION); #endif #if defined(SSL_OP_SINGLE_ECDH_USE) ossl_ssl_def_const(OP_SINGLE_ECDH_USE); #endif ossl_ssl_def_const(OP_SINGLE_DH_USE); ossl_ssl_def_const(OP_EPHEMERAL_RSA); #if defined(SSL_OP_CIPHER_SERVER_PREFERENCE) ossl_ssl_def_const(OP_CIPHER_SERVER_PREFERENCE); #endif ossl_ssl_def_const(OP_TLS_ROLLBACK_BUG); ossl_ssl_def_const(OP_NO_SSLv2); ossl_ssl_def_const(OP_NO_SSLv3); ossl_ssl_def_const(OP_NO_TLSv1); ossl_ssl_def_const(OP_PKCS1_CHECK_1); ossl_ssl_def_const(OP_PKCS1_CHECK_2); ossl_ssl_def_const(OP_NETSCAPE_CA_DN_BUG); ossl_ssl_def_const(OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); }