diff options
Diffstat (limited to 'src/libstrongswan/plugins/dnskey')
| -rw-r--r-- | src/libstrongswan/plugins/dnskey/Makefile.am | 3 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/dnskey/Makefile.in | 39 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/dnskey/dnskey_builder.c | 12 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/dnskey/dnskey_encoder.c | 91 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/dnskey/dnskey_encoder.h | 32 | ||||
| -rw-r--r-- | src/libstrongswan/plugins/dnskey/dnskey_plugin.c | 5 |
6 files changed, 173 insertions, 9 deletions
diff --git a/src/libstrongswan/plugins/dnskey/Makefile.am b/src/libstrongswan/plugins/dnskey/Makefile.am index fbba95e0a..0f2e554c1 100644 --- a/src/libstrongswan/plugins/dnskey/Makefile.am +++ b/src/libstrongswan/plugins/dnskey/Makefile.am @@ -11,6 +11,7 @@ endif libstrongswan_dnskey_la_SOURCES = \ dnskey_plugin.h dnskey_plugin.c \ - dnskey_builder.h dnskey_builder.c + dnskey_builder.h dnskey_builder.c \ + dnskey_encoder.h dnskey_encoder.c libstrongswan_dnskey_la_LDFLAGS = -module -avoid-version diff --git a/src/libstrongswan/plugins/dnskey/Makefile.in b/src/libstrongswan/plugins/dnskey/Makefile.in index d49cac8a7..c30dcb530 100644 --- a/src/libstrongswan/plugins/dnskey/Makefile.in +++ b/src/libstrongswan/plugins/dnskey/Makefile.in @@ -1,4 +1,4 @@ -# Makefile.in generated by automake 1.11.3 from Makefile.am. +# Makefile.in generated by automake 1.11.6 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, @@ -16,6 +16,23 @@ @SET_MAKE@ VPATH = @srcdir@ +am__make_dryrun = \ + { \ + am__dry=no; \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \ + | grep '^AM OK$$' >/dev/null || am__dry=yes;; \ + *) \ + for am__flg in $$MAKEFLAGS; do \ + case $$am__flg in \ + *=*|--*) ;; \ + *n*) am__dry=yes; break;; \ + esac; \ + done;; \ + esac; \ + test $$am__dry = yes; \ + } pkgdatadir = $(datadir)/@PACKAGE@ pkgincludedir = $(includedir)/@PACKAGE@ pkglibdir = $(libdir)/@PACKAGE@ @@ -83,7 +100,7 @@ am__installdirs = "$(DESTDIR)$(plugindir)" LTLIBRARIES = $(noinst_LTLIBRARIES) $(plugin_LTLIBRARIES) libstrongswan_dnskey_la_LIBADD = am_libstrongswan_dnskey_la_OBJECTS = dnskey_plugin.lo \ - dnskey_builder.lo + dnskey_builder.lo dnskey_encoder.lo libstrongswan_dnskey_la_OBJECTS = \ $(am_libstrongswan_dnskey_la_OBJECTS) libstrongswan_dnskey_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \ @@ -107,6 +124,11 @@ LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ $(LDFLAGS) -o $@ SOURCES = $(libstrongswan_dnskey_la_SOURCES) DIST_SOURCES = $(libstrongswan_dnskey_la_SOURCES) +am__can_run_installinfo = \ + case $$AM_UPDATE_INFO_DIR in \ + n|no|NO) false;; \ + *) (install-info --version) >/dev/null 2>&1;; \ + esac ETAGS = etags CTAGS = ctags DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) @@ -123,6 +145,8 @@ BTLIB = @BTLIB@ CC = @CC@ CCDEPMODE = @CCDEPMODE@ CFLAGS = @CFLAGS@ +CHECK_CFLAGS = @CHECK_CFLAGS@ +CHECK_LIBS = @CHECK_LIBS@ CPP = @CPP@ CPPFLAGS = @CPPFLAGS@ CYGPATH_W = @CYGPATH_W@ @@ -139,6 +163,7 @@ EGREP = @EGREP@ EXEEXT = @EXEEXT@ FGREP = @FGREP@ GPERF = @GPERF@ +GPRBUILD = @GPRBUILD@ GREP = @GREP@ INSTALL = @INSTALL@ INSTALL_DATA = @INSTALL_DATA@ @@ -207,8 +232,6 @@ am__quote = @am__quote@ am__tar = @am__tar@ am__untar = @am__untar@ attest_plugins = @attest_plugins@ -axis2c_CFLAGS = @axis2c_CFLAGS@ -axis2c_LIBS = @axis2c_LIBS@ bindir = @bindir@ build = @build@ build_alias = @build_alias@ @@ -264,7 +287,6 @@ nm_ca_dir = @nm_ca_dir@ nm_plugins = @nm_plugins@ oldincludedir = @oldincludedir@ openac_plugins = @openac_plugins@ -p_plugins = @p_plugins@ pcsclite_CFLAGS = @pcsclite_CFLAGS@ pcsclite_LIBS = @pcsclite_LIBS@ pdfdir = @pdfdir@ @@ -304,7 +326,8 @@ AM_CFLAGS = -rdynamic @MONOLITHIC_FALSE@plugin_LTLIBRARIES = libstrongswan-dnskey.la libstrongswan_dnskey_la_SOURCES = \ dnskey_plugin.h dnskey_plugin.c \ - dnskey_builder.h dnskey_builder.c + dnskey_builder.h dnskey_builder.c \ + dnskey_encoder.h dnskey_encoder.c libstrongswan_dnskey_la_LDFLAGS = -module -avoid-version all: all-am @@ -352,7 +375,6 @@ clean-noinstLTLIBRARIES: done install-pluginLTLIBRARIES: $(plugin_LTLIBRARIES) @$(NORMAL_INSTALL) - test -z "$(plugindir)" || $(MKDIR_P) "$(DESTDIR)$(plugindir)" @list='$(plugin_LTLIBRARIES)'; test -n "$(plugindir)" || list=; \ list2=; for p in $$list; do \ if test -f $$p; then \ @@ -360,6 +382,8 @@ install-pluginLTLIBRARIES: $(plugin_LTLIBRARIES) else :; fi; \ done; \ test -z "$$list2" || { \ + echo " $(MKDIR_P) '$(DESTDIR)$(plugindir)'"; \ + $(MKDIR_P) "$(DESTDIR)$(plugindir)" || exit 1; \ echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(plugindir)'"; \ $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(plugindir)"; \ } @@ -391,6 +415,7 @@ distclean-compile: -rm -f *.tab.c @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dnskey_builder.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dnskey_encoder.Plo@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dnskey_plugin.Plo@am__quote@ .c.o: diff --git a/src/libstrongswan/plugins/dnskey/dnskey_builder.c b/src/libstrongswan/plugins/dnskey/dnskey_builder.c index b8a451500..71040437d 100644 --- a/src/libstrongswan/plugins/dnskey/dnskey_builder.c +++ b/src/libstrongswan/plugins/dnskey/dnskey_builder.c @@ -39,8 +39,14 @@ enum dnskey_algorithm_t { DNSKEY_ALG_RSA_MD5 = 1, DNSKEY_ALG_DH = 2, DNSKEY_ALG_DSA = 3, - DNSKEY_ALG_ECC = 4, DNSKEY_ALG_RSA_SHA1 = 5, + DNSKEY_ALG_DSA_NSEC3_SHA1 = 6, + DNSKEY_ALG_RSA_SHA1_NSEC3_SHA1 = 7, + DNSKEY_ALG_RSA_SHA256 = 8, + DNSKEY_ALG_RSA_SHA512 = 10, + DNSKEY_ALG_ECC_GOST = 12, + DNSKEY_ALG_ECDSA_P256_SHA256 = 13, + DNSKEY_ALG_ECDSA_P384_SHA384 = 14 }; /** @@ -59,7 +65,11 @@ static dnskey_public_key_t *parse_public_key(chunk_t blob) switch (rr->algorithm) { + case DNSKEY_ALG_RSA_MD5: case DNSKEY_ALG_RSA_SHA1: + case DNSKEY_ALG_RSA_SHA1_NSEC3_SHA1: + case DNSKEY_ALG_RSA_SHA256: + case DNSKEY_ALG_RSA_SHA512: return lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_RSA, BUILD_BLOB_DNSKEY, blob, BUILD_END); default: diff --git a/src/libstrongswan/plugins/dnskey/dnskey_encoder.c b/src/libstrongswan/plugins/dnskey/dnskey_encoder.c new file mode 100644 index 000000000..3214f3899 --- /dev/null +++ b/src/libstrongswan/plugins/dnskey/dnskey_encoder.c @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2013 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#include "dnskey_encoder.h" + +#include <utils/debug.h> + +/** + * Encode an RSA public key in DNSKEY format (RFC 3110) + */ +static bool build_pub(chunk_t *encoding, va_list args) +{ + chunk_t n, e, pubkey; + size_t exp_len; + u_char *pos; + + if (cred_encoding_args(args, CRED_PART_RSA_MODULUS, &n, + CRED_PART_RSA_PUB_EXP, &e, CRED_PART_END)) + { + /* remove leading zeros in exponent and modulus */ + while (*e.ptr == 0) + { + e = chunk_skip(e, 1); + } + while (*n.ptr == 0) + { + n = chunk_skip(n, 1); + } + + if (e.len < 256) + { + /* exponent length fits into a single octet */ + exp_len = 1; + pubkey = chunk_alloc(exp_len + e.len + n.len); + pubkey.ptr[0] = (char)e.len; + } + else if (e.len < 65536) + { + /* exponent length fits into two octets preceded by zero octet */ + exp_len = 3; + pubkey = chunk_alloc(exp_len + e.len + n.len); + pubkey.ptr[0] = 0x00; + htoun16(pubkey.ptr + 1, e.len); + } + else + { + /* exponent length is too large */ + return FALSE; + } + + /* copy exponent and modulus and convert to base64 format */ + pos = pubkey.ptr + exp_len; + memcpy(pos, e.ptr, e.len); + pos += e.len; + memcpy(pos, n.ptr, n.len); + *encoding = chunk_to_base64(pubkey, NULL); + chunk_free(&pubkey); + + return TRUE; + } + return FALSE; +} + +/** + * See header. + */ +bool dnskey_encoder_encode(cred_encoding_type_t type, chunk_t *encoding, + va_list args) +{ + switch (type) + { + case PUBKEY_DNSKEY: + return build_pub(encoding, args); + default: + return FALSE; + } +} + + diff --git a/src/libstrongswan/plugins/dnskey/dnskey_encoder.h b/src/libstrongswan/plugins/dnskey/dnskey_encoder.h new file mode 100644 index 000000000..127260308 --- /dev/null +++ b/src/libstrongswan/plugins/dnskey/dnskey_encoder.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2013 Andreas Steffen + * HSR Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +/** + * @defgroup dnskey_encoder dnskey_encoder + * @{ @ingroup dnskey_p + */ + +#ifndef DNSKEY_ENCODER_H_ +#define DNSKEY_ENCODER_H_ + +#include <credentials/cred_encoding.h> + +/** + * Encoding function for DNSKEY (RFC 3110) public key format. + */ +bool dnskey_encoder_encode(cred_encoding_type_t type, chunk_t *encoding, + va_list args); + +#endif /** DNSKEY_ENCODER_H_ @}*/ diff --git a/src/libstrongswan/plugins/dnskey/dnskey_plugin.c b/src/libstrongswan/plugins/dnskey/dnskey_plugin.c index b6863e8e3..9a4f6252f 100644 --- a/src/libstrongswan/plugins/dnskey/dnskey_plugin.c +++ b/src/libstrongswan/plugins/dnskey/dnskey_plugin.c @@ -17,6 +17,7 @@ #include <library.h> #include "dnskey_builder.h" +#include "dnskey_encoder.h" typedef struct private_dnskey_plugin_t private_dnskey_plugin_t; @@ -53,6 +54,8 @@ METHOD(plugin_t, get_features, int, METHOD(plugin_t, destroy, void, private_dnskey_plugin_t *this) { + lib->encoding->remove_encoder(lib->encoding, dnskey_encoder_encode); + free(this); } @@ -73,6 +76,8 @@ plugin_t *dnskey_plugin_create() }, ); + lib->encoding->add_encoder(lib->encoding, dnskey_encoder_encode); + return &this->public.plugin; } |