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openwrt-packages-dist/libs/ldns/patches/020-openssl-dsa.patch

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From 8a12d9183271b2b16f399c3fe867f149dbf753d7 Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Thu, 20 Feb 2020 18:58:52 -0800
Subject: [PATCH] Fix compilation without DSA and deprecated APIs
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
dnssec.c | 2 ++
examples/ldns-dane.c | 2 ++
examples/ldns-keygen.c | 2 ++
examples/ldns-signzone.c | 16 ++++++++++++++++
examples/ldns-verify-zone.c | 2 ++
host2str.c | 8 ++++++++
keys.c | 10 +++++++---
ldns/keys.h | 8 ++++++++
rr_functions.c | 4 ++++
9 files changed, 51 insertions(+), 3 deletions(-)
diff --git a/dnssec.c b/dnssec.c
index 482cefd6..71508600 100644
--- a/dnssec.c
+++ b/dnssec.c
@@ -332,6 +332,7 @@ uint16_t ldns_calc_keytag_raw(const uint8_t* key, size_t keysize)
}
#ifdef HAVE_SSL
+#ifdef USE_DSA
DSA *
ldns_key_buf2dsa(const ldns_buffer *key)
{
@@ -407,6 +408,7 @@ ldns_key_buf2dsa_raw(const unsigned char* key, size_t len)
#endif /* OPENSSL_VERSION_NUMBER */
return dsa;
}
+#endif /* USE_DSA */
RSA *
ldns_key_buf2rsa(const ldns_buffer *key)
diff --git a/examples/ldns-dane.c b/examples/ldns-dane.c
index 4c31fd8f..7b33ad18 100644
--- a/examples/ldns-dane.c
+++ b/examples/ldns-dane.c
@@ -1680,9 +1680,11 @@ main(int argc, char* const* argv)
assert(0);
}
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || defined(HAVE_LIBRESSL)
/* ssl inititalize */
SSL_load_error_strings();
SSL_library_init();
+#endif
/* ssl load validation store */
if (! assume_pkix_validity || CAfile || CApath) {
diff --git a/examples/ldns-keygen.c b/examples/ldns-keygen.c
index 62b8d228..237016e5 100644
--- a/examples/ldns-keygen.c
+++ b/examples/ldns-keygen.c
@@ -148,6 +148,7 @@ main(int argc, char *argv[])
exit(1);
}
break;
+#ifdef USE_DSA
case LDNS_SIGN_DSA:
case LDNS_SIGN_DSA_NSEC3:
if (bits < 512 || bits > 1024) {
@@ -156,6 +157,7 @@ main(int argc, char *argv[])
exit(1);
}
break;
+#endif /* USE_DSA */
#ifdef USE_GOST
case LDNS_SIGN_ECC_GOST:
if(!ldns_key_EVP_load_gost_id()) {
diff --git a/examples/ldns-signzone.c b/examples/ldns-signzone.c
index 7d24ad90..abae352a 100644
--- a/examples/ldns-signzone.c
+++ b/examples/ldns-signzone.c
@@ -72,10 +72,14 @@ usage(FILE *fp, const char *prog) {
fprintf ( fp, "\n " );
__LIST ( RSAMD5 );
+#ifdef USE_DSA
__LIST ( DSA );
+#endif
__LIST ( RSASHA1 );
fprintf ( fp, "\n " );
+#ifdef USE_DSA
__LIST ( DSA_NSEC3 );
+#endif
__LIST ( RSASHA1_NSEC3 );
__LIST ( RSASHA256 );
fprintf ( fp, "\n " );
@@ -350,11 +354,15 @@ parse_algspec ( const char * const p )
__MATCH ( RSAMD5 );
__MATCH ( RSASHA1 );
+#ifdef USE_DSA
__MATCH ( DSA );
+#endif
__MATCH ( RSASHA1_NSEC3 );
__MATCH ( RSASHA256 );
__MATCH ( RSASHA512 );
+#ifdef USE_DSA
__MATCH ( DSA_NSEC3 );
+#endif
__MATCH ( ECC_GOST );
__MATCH ( ECDSAP256SHA256 );
__MATCH ( ECDSAP384SHA384 );
@@ -419,8 +427,10 @@ load_key ( const char * const p, ENGINE * const e )
case LDNS_SIGN_RSASHA1_NSEC3:
case LDNS_SIGN_RSASHA256:
case LDNS_SIGN_RSASHA512:
+#ifdef USE_DSA
case LDNS_SIGN_DSA:
case LDNS_SIGN_DSA_NSEC3:
+#endif
case LDNS_SIGN_ECC_GOST:
#ifdef USE_ECDSA
case LDNS_SIGN_ECDSAP256SHA256:
@@ -995,9 +1005,13 @@ main(int argc, char *argv[])
#ifdef HAVE_SSL
if (ERR_peek_error()) {
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(HAVE_LIBRESSL)
ERR_load_crypto_strings();
+#endif
ERR_print_errors_fp(stderr);
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(HAVE_LIBRESSL)
ERR_free_strings();
+#endif
}
#endif
exit(EXIT_FAILURE);
@@ -1018,7 +1032,9 @@ main(int argc, char *argv[])
#ifndef OPENSSL_NO_ENGINE
shutdown_openssl ( engine );
#else
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || defined(HAVE_LIBRESSL)
CRYPTO_cleanup_all_ex_data();
+#endif
#endif
free(prog);
diff --git a/examples/ldns-verify-zone.c b/examples/ldns-verify-zone.c
index c17bd21c..a5a1d003 100644
--- a/examples/ldns-verify-zone.c
+++ b/examples/ldns-verify-zone.c
@@ -113,7 +113,9 @@ print_rr_status_error(FILE* stream, ldns_rr* rr, ldns_status status)
if (status != LDNS_STATUS_OK) {
print_rr_error(stream, rr, ldns_get_errorstr_by_id(status));
if (verbosity > 0 && status == LDNS_STATUS_SSL_ERR) {
+#if OPENSSL_VERSION_NUMBER < 0x10100000 || defined(HAVE_LIBRESSL)
ERR_load_crypto_strings();
+#endif
ERR_print_errors_fp(stream);
}
}
diff --git a/host2str.c b/host2str.c
index 3ca23c20..29a5f5c9 100644
--- a/host2str.c
+++ b/host2str.c
@@ -49,10 +49,14 @@
ldns_lookup_table ldns_algorithms[] = {
{ LDNS_RSAMD5, "RSAMD5" },
{ LDNS_DH, "DH" },
+#ifdef USE_DSA
{ LDNS_DSA, "DSA" },
+#endif /* USE_DSA */
{ LDNS_ECC, "ECC" },
{ LDNS_RSASHA1, "RSASHA1" },
+#ifdef USE_DSA
{ LDNS_DSA_NSEC3, "DSA-NSEC3-SHA1" },
+#endif /* USE_DSA */
{ LDNS_RSASHA1_NSEC3, "RSASHA1-NSEC3-SHA1" },
#ifdef USE_SHA2
{ LDNS_RSASHA256, "RSASHA256"},
@@ -2133,7 +2137,9 @@ ldns_key2buffer_str(ldns_buffer *output, const ldns_key *k)
unsigned char *bignum;
#ifdef HAVE_SSL
RSA *rsa;
+#ifdef USE_DSA
DSA *dsa;
+#endif /* USE_DSA */
#endif /* HAVE_SSL */
if (!k) {
@@ -2243,6 +2249,7 @@ ldns_key2buffer_str(ldns_buffer *output, const ldns_key *k)
RSA_free(rsa);
break;
+#ifdef USE_DSA
case LDNS_SIGN_DSA:
case LDNS_SIGN_DSA_NSEC3:
dsa = ldns_key_dsa_key(k);
@@ -2283,6 +2290,7 @@ ldns_key2buffer_str(ldns_buffer *output, const ldns_key *k)
goto error;
}
break;
+#endif /* USE_DSA */
case LDNS_SIGN_ECC_GOST:
/* no format defined, use blob */
#if defined(HAVE_SSL) && defined(USE_GOST)
diff --git a/keys.c b/keys.c
index 06afb739..ddff6f35 100644
--- a/keys.c
+++ b/keys.c
@@ -905,6 +905,7 @@ ldns_key_new_frm_fp_rsa_l(FILE *f, int *line_nr)
return NULL;
}
+#ifdef USE_DSA
DSA *
ldns_key_new_frm_fp_dsa(FILE *f)
{
@@ -1015,6 +1016,7 @@ ldns_key_new_frm_fp_dsa_l(FILE *f, ATTR_UNUSED(int *line_nr))
BN_free(pub_key);
return NULL;
}
+#endif /* USE_DSA */
unsigned char *
ldns_key_new_frm_fp_hmac(FILE *f, size_t *hmac_size)
@@ -1149,9 +1151,9 @@ ldns_key_new_frm_algorithm(ldns_signing_algorithm alg, uint16_t size)
#endif /* HAVE_EVP_PKEY_KEYGEN */
#endif /* HAVE_SSL */
break;
+#ifdef USE_DSA
case LDNS_SIGN_DSA:
case LDNS_SIGN_DSA_NSEC3:
-#ifdef USE_DSA
#ifdef HAVE_SSL
# if OPENSSL_VERSION_NUMBER < 0x00908000L
d = DSA_generate_parameters((int)size, NULL, 0, NULL, NULL, NULL, NULL);
@@ -1878,10 +1880,10 @@ ldns_key2rr(const ldns_key *k)
#endif
size++;
break;
+#ifdef USE_DSA
case LDNS_SIGN_DSA:
ldns_rr_push_rdf(pubkey,
ldns_native2rdf_int8(LDNS_RDF_TYPE_ALG, LDNS_DSA));
-#ifdef USE_DSA
#ifdef HAVE_SSL
dsa = ldns_key_dsa_key(k);
if (dsa) {
@@ -1901,10 +1903,10 @@ ldns_key2rr(const ldns_key *k)
#endif /* HAVE_SSL */
#endif /* USE_DSA */
break;
+#ifdef USE_DSA
case LDNS_SIGN_DSA_NSEC3:
ldns_rr_push_rdf(pubkey,
ldns_native2rdf_int8(LDNS_RDF_TYPE_ALG, LDNS_DSA_NSEC3));
-#ifdef USE_DSA
#ifdef HAVE_SSL
dsa = ldns_key_dsa_key(k);
if (dsa) {
@@ -2165,7 +2167,9 @@ ldns_signing_algorithm ldns_get_signing_algorithm_by_name(const char* name)
ldns_lookup_table aliases[] = {
/* from bind dnssec-keygen */
{LDNS_SIGN_HMACMD5, "HMAC-MD5"},
+#ifdef USE_DSA
{LDNS_SIGN_DSA_NSEC3, "NSEC3DSA"},
+#endif /* USE_DSA */
{LDNS_SIGN_RSASHA1_NSEC3, "NSEC3RSASHA1"},
/* old ldns usage, now RFC names */
#ifdef USE_DSA
diff --git a/ldns/keys.h b/ldns/keys.h
index df4bb22b..826f876f 100644
--- a/ldns/keys.h
+++ b/ldns/keys.h
@@ -45,10 +45,14 @@ enum ldns_enum_algorithm
{
LDNS_RSAMD5 = 1, /* RFC 4034,4035 */
LDNS_DH = 2,
+#ifdef USE_DSA
LDNS_DSA = 3,
+#endif /* USE_DSA */
LDNS_ECC = 4,
LDNS_RSASHA1 = 5,
+#ifdef USE_DSA
LDNS_DSA_NSEC3 = 6,
+#endif /* USE_DSA */
LDNS_RSASHA1_NSEC3 = 7,
LDNS_RSASHA256 = 8, /* RFC 5702 */
LDNS_RSASHA512 = 10, /* RFC 5702 */
@@ -90,11 +94,15 @@ enum ldns_enum_signing_algorithm
{
LDNS_SIGN_RSAMD5 = LDNS_RSAMD5,
LDNS_SIGN_RSASHA1 = LDNS_RSASHA1,
+#ifdef USE_DSA
LDNS_SIGN_DSA = LDNS_DSA,
+#endif /* USE_DSA */
LDNS_SIGN_RSASHA1_NSEC3 = LDNS_RSASHA1_NSEC3,
LDNS_SIGN_RSASHA256 = LDNS_RSASHA256,
LDNS_SIGN_RSASHA512 = LDNS_RSASHA512,
+#ifdef USE_DSA
LDNS_SIGN_DSA_NSEC3 = LDNS_DSA_NSEC3,
+#endif /* USE_DSA */
LDNS_SIGN_ECC_GOST = LDNS_ECC_GOST,
LDNS_SIGN_ECDSAP256SHA256 = LDNS_ECDSAP256SHA256,
LDNS_SIGN_ECDSAP384SHA384 = LDNS_ECDSAP384SHA384,
diff --git a/rr_functions.c b/rr_functions.c
index 20a0bfaa..8d72696b 100644
--- a/rr_functions.c
+++ b/rr_functions.c
@@ -269,14 +269,17 @@ ldns_rr_dnskey_key_size_raw(const unsigned char* keydata,
const size_t len,
const ldns_algorithm alg)
{
+#ifdef USE_DSA
/* for DSA keys */
uint8_t t;
+#endif /* USE_DSA */
/* for RSA keys */
uint16_t exp;
uint16_t int16;
switch ((ldns_signing_algorithm)alg) {
+#ifdef USE_DSA
case LDNS_SIGN_DSA:
case LDNS_SIGN_DSA_NSEC3:
if (len > 0) {
@@ -286,6 +289,7 @@ ldns_rr_dnskey_key_size_raw(const unsigned char* keydata,
return 0;
}
break;
+#endif /* USE_DSA */
case LDNS_SIGN_RSAMD5:
case LDNS_SIGN_RSASHA1:
case LDNS_SIGN_RSASHA1_NSEC3: