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authorDaniel Dickinson <lede@daniel.thecshore.com>2016-06-22 21:12:16 -0400
committerJohn Crispin <john@phrozen.org>2016-07-05 22:59:12 +0200
commita7f6dc9f8b9602441a1b56bbe73d80711e2c640f (patch)
tree8ad7dc0097db6b44a933465ce5e1f0b1993b18e4 /package/utils/px5g
parentdf2889c709c45cb5529159089464b1e1a78553bf (diff)
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px5g: Create mbedtls variant
px5g has been listed as a blocker for switching to new mbedtls as the default, therefore make and mbedtls variant of px5g so that an new mbedtls-only image can be created. Signed-off-by: Daniel Dickinson <lede@daniel.thecshore.com>
Diffstat (limited to 'package/utils/px5g')
-rw-r--r--package/utils/px5g/Makefile31
-rw-r--r--package/utils/px5g/px5g.c74
2 files changed, 69 insertions, 36 deletions
diff --git a/package/utils/px5g/Makefile b/package/utils/px5g/Makefile
index 4714d936b6..e924ab30fb 100644
--- a/package/utils/px5g/Makefile
+++ b/package/utils/px5g/Makefile
@@ -10,36 +10,53 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=px5g
PKG_RELEASE:=4
PKG_LICENSE:=LGPL-2.1
+PKG_BUILD_DIR:=$(BUILD_DIR)/px5g-$(BUILD_VARIANT)
PKG_USE_MIPS16:=0
include $(INCLUDE_DIR)/package.mk
-define Package/px5g
+define Package/px5g/Template
SECTION:=utils
CATEGORY:=Utilities
- TITLE:=X.509 certificate generator (using PolarSSL)
+ TITLE:=X.509 certificate generator (using $(1))
MAINTAINER:=Jo-Philipp Wich <jo@mein.io>
- DEPENDS:=+libpolarssl
+ DEPENDS:=+lib$(1)
+ PROVIDES:=px5g
+ VARIANT:=$(1)
endef
-define Package/px5g/description
+define Package/px5g-polarssl/description
Px5g is a tiny standalone X.509 certificate generator.
It suitable to create key files and certificates in DER
and PEM format for use with stunnel, uhttpd and others.
endef
+Package/px5g-mbedtls=$(call Package/px5g/Template,mbedtls)
+Package/px5g-polarssl=$(call Package/px5g/Template,polarssl)
+Package/px5g-mbedtls/description=$(Package/px5g-polarssl/description)
+
define Build/Prepare
mkdir -p $(PKG_BUILD_DIR)
endef
+ifeq ($(BUILD_VARIANT),mbedtls)
+TARGET_CFLAGS += -DMBEDTLS
+TARGET_LDFLAGS := -lmbedtls -lmbedx509 -lmbedcrypto
+else
+TARGET_LDFLAGS := -lpolarssl
+endif
+
define Build/Compile
- $(TARGET_CC) $(TARGET_CFLAGS) -o $(PKG_BUILD_DIR)/px5g px5g.c -lpolarssl
+ $(TARGET_CC) $(TARGET_CFLAGS) -o $(PKG_BUILD_DIR)/px5g px5g.c $(TARGET_LDFLAGS)
endef
-define Package/px5g/install
+define Package/px5g-polarssl/install
$(INSTALL_DIR) $(1)/usr/sbin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/px5g $(1)/usr/sbin/px5g
endef
-$(eval $(call BuildPackage,px5g))
+Package/px5g-mbedtls/install=$(Package/px5g-polarssl/install)
+
+$(eval $(call BuildPackage,px5g-polarssl))
+$(eval $(call BuildPackage,px5g-mbedtls))
diff --git a/package/utils/px5g/px5g.c b/package/utils/px5g/px5g.c
index e9b82c2767..af8a5da87f 100644
--- a/package/utils/px5g/px5g.c
+++ b/package/utils/px5g/px5g.c
@@ -30,9 +30,20 @@
#include <fcntl.h>
#include <stdbool.h>
+#ifdef MBEDTLS
+#include <mbedtls/bignum.h>
+#include <mbedtls/x509_crt.h>
+#include <mbedtls/rsa.h>
+#include <mbedtls/pk.h>
+#define lib_wrapper(x) mbedtls_##x
+#define MD_SHA256 MBEDTLS_MD_SHA256
+#else
#include <polarssl/bignum.h>
#include <polarssl/x509_crt.h>
#include <polarssl/rsa.h>
+#define lib_wrapper(x) x
+#define MD_SHA256 POLARSSL_MD_SHA256
+#endif
#define PX5G_VERSION "0.2"
#define PX5G_COPY "Copyright (c) 2009 Steven Barth <steven@midlink.org>"
@@ -72,15 +83,15 @@ static void write_file(const char *path, int len, bool pem)
fclose(f);
}
-static void write_key(pk_context *key, const char *path, bool pem)
+static void write_key(lib_wrapper(pk_context) *key, const char *path, bool pem)
{
int len = 0;
if (pem) {
- if (pk_write_key_pem(key, (void *) buf, sizeof(buf)) == 0)
+ if (lib_wrapper(pk_write_key_pem(key, (void *) buf, sizeof(buf)) == 0))
len = strlen(buf);
} else {
- len = pk_write_key_der(key, (void *) buf, sizeof(buf));
+ len = lib_wrapper(pk_write_key_der(key, (void *) buf, sizeof(buf)));
if (len < 0)
len = 0;
}
@@ -88,12 +99,17 @@ static void write_key(pk_context *key, const char *path, bool pem)
write_file(path, len, pem);
}
-static void gen_key(pk_context *key, int ksize, int exp, bool pem)
+static void gen_key(lib_wrapper(pk_context) *key, int ksize, int exp, bool pem)
{
- pk_init(key);
- pk_init_ctx(key, pk_info_from_type(POLARSSL_PK_RSA));
+ lib_wrapper(pk_init(key));
fprintf(stderr, "Generating RSA private key, %i bit long modulus\n", ksize);
+#ifdef MBEDTLS
+ mbedtls_pk_setup(key, mbedtls_pk_info_from_type(MBEDTLS_PK_RSA));
+ if (mbedtls_rsa_gen_key(mbedtls_pk_rsa(*key), _urandom, NULL, ksize, exp)) {
+#else
+ pk_init_ctx(key, lib_wrapper(pk_info_from_type(POLARSSL_PK_RSA)));
if (rsa_gen_key(pk_rsa(*key), _urandom, NULL, ksize, exp)) {
+#endif
fprintf(stderr, "error: key generation failed\n");
exit(1);
}
@@ -101,7 +117,7 @@ static void gen_key(pk_context *key, int ksize, int exp, bool pem)
int rsakey(char **arg)
{
- pk_context key;
+ lib_wrapper(pk_context) key;
unsigned int ksize = 512;
int exp = 65537;
char *path = NULL;
@@ -125,16 +141,16 @@ int rsakey(char **arg)
gen_key(&key, ksize, exp, pem);
write_key(&key, path, pem);
- pk_free(&key);
+ lib_wrapper(pk_free(&key));
return 0;
}
int selfsigned(char **arg)
{
- pk_context key;
- x509write_cert cert;
- mpi serial;
+ lib_wrapper(pk_context) key;
+ lib_wrapper(x509write_cert) cert;
+ lib_wrapper(mpi) serial;
char *subject = "";
unsigned int ksize = 512;
@@ -211,34 +227,34 @@ int selfsigned(char **arg)
fprintf(stderr, "Generating selfsigned certificate with subject '%s'"
" and validity %s-%s\n", subject, fstr, tstr);
- x509write_crt_init(&cert);
- x509write_crt_set_md_alg(&cert, POLARSSL_MD_SHA256);
- x509write_crt_set_issuer_key(&cert, &key);
- x509write_crt_set_subject_key(&cert, &key);
- x509write_crt_set_subject_name(&cert, subject);
- x509write_crt_set_issuer_name(&cert, subject);
- x509write_crt_set_validity(&cert, fstr, tstr);
- x509write_crt_set_basic_constraints(&cert, 0, -1);
- x509write_crt_set_subject_key_identifier(&cert);
- x509write_crt_set_authority_key_identifier(&cert);
+ lib_wrapper(x509write_crt_init(&cert));
+ lib_wrapper(x509write_crt_set_md_alg(&cert, MD_SHA256));
+ lib_wrapper(x509write_crt_set_issuer_key(&cert, &key));
+ lib_wrapper(x509write_crt_set_subject_key(&cert, &key));
+ lib_wrapper(x509write_crt_set_subject_name(&cert, subject));
+ lib_wrapper(x509write_crt_set_issuer_name(&cert, subject));
+ lib_wrapper(x509write_crt_set_validity(&cert, fstr, tstr));
+ lib_wrapper(x509write_crt_set_basic_constraints(&cert, 0, -1));
+ lib_wrapper(x509write_crt_set_subject_key_identifier(&cert));
+ lib_wrapper(x509write_crt_set_authority_key_identifier(&cert));
_urandom(NULL, buf, 8);
for (len = 0; len < 8; len++)
sprintf(sstr + len*2, "%02x", (unsigned char) buf[len]);
- mpi_init(&serial);
- mpi_read_string(&serial, 16, sstr);
- x509write_crt_set_serial(&cert, &serial);
+ lib_wrapper(mpi_init(&serial));
+ lib_wrapper(mpi_read_string(&serial, 16, sstr));
+ lib_wrapper(x509write_crt_set_serial(&cert, &serial));
if (pem) {
- if (x509write_crt_pem(&cert, (void *) buf, sizeof(buf), _urandom, NULL) < 0) {
+ if (lib_wrapper(x509write_crt_pem(&cert, (void *) buf, sizeof(buf), _urandom, NULL) < 0)) {
fprintf(stderr, "Failed to generate certificate\n");
return 1;
}
len = strlen(buf);
} else {
- len = x509write_crt_der(&cert, (void *) buf, sizeof(buf), _urandom, NULL);
+ len = lib_wrapper(x509write_crt_der(&cert, (void *) buf, sizeof(buf), _urandom, NULL));
if (len < 0) {
fprintf(stderr, "Failed to generate certificate: %d\n", len);
return 1;
@@ -246,9 +262,9 @@ int selfsigned(char **arg)
}
write_file(certpath, len, pem);
- x509write_crt_free(&cert);
- mpi_free(&serial);
- pk_free(&key);
+ lib_wrapper(x509write_crt_free(&cert));
+ lib_wrapper(mpi_free(&serial));
+ lib_wrapper(pk_free(&key));
return 0;
}