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nerves_system_br package tpm2-tss-engine 0002-Fix-mismatch-of-OpenSSL-function-signatures-that-cause-errors-with-gcc-14.patch
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package/tpm2-tss-engine/0002-Fix-mismatch-of-OpenSSL-function-signatures-that-cause-errors-with-gcc-14.patch 

From 766505bf5c943c614fd246d27d1e5cd66543250b Mon Sep 17 00:00:00 2001

From: Matthias Gerstner <matthias.gerstner@suse.de>

Date: Mon, 6 May 2024 16:07:54 +0200

Subject: [PATCH] Fix mismatch of OpenSSL function signatures that cause errors

 with gcc-14



Building with gcc-14 fails with diagnostics like this:



```

src/tpm2-tss-engine-rsa.c:805:46: error: passing argument 2 of 'EVP_PKEY_meth_set_copy' from incompatible pointer type [-Wincompatible-pointer-types]

  805 |     EVP_PKEY_meth_set_copy(pkey_rsa_methods, rsa_pkey_copy);

      |                                              ^~~~~~~~~~~~~

      |                                              |

      |                                              int (*)(EVP_PKEY_CTX *, EVP_PKEY_CTX *) {aka int (*)(struct evp_pkey_ctx_st *, struct evp_pkey_ctx_st *)}

/usr/include/openssl/evp.h:2005:36: note: expected 'int (*)(EVP_PKEY_CTX *, const EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, const struct evp_pkey_ctx_st *)'} but argument is of type 'int (*)(EVP_PKEY_CTX *, EVP_PKEY_CTX *)' {aka 'int (*)(struct evp_pkey_ctx_st *, struct evp_pkey_ctx_st *)'}

```



A look into OpenSSL upstream shows that these functions have always had const

`src` parameters. Thus this error was simply not detected by earlier compiler

versions.



Signed-off-by: Matthias Gerstner <matthias.gerstner@suse.de>

---

 src/tpm2-tss-engine-ecc.c | 4 ++--

 src/tpm2-tss-engine-rsa.c | 4 ++--

 2 files changed, 4 insertions(+), 4 deletions(-)



diff --git a/src/tpm2-tss-engine-ecc.c b/src/tpm2-tss-engine-ecc.c

index 9e72c85..f6b9c5a 100644

--- a/src/tpm2-tss-engine-ecc.c

+++ b/src/tpm2-tss-engine-ecc.c

@@ -52,7 +52,7 @@ EC_KEY_METHOD *ecc_methods = NULL;

 #endif /* OPENSSL_VERSION_NUMBER < 0x10100000 */

 

 #ifdef HAVE_OPENSSL_DIGEST_SIGN

-static int (*ecdsa_pkey_orig_copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src);

+static int (*ecdsa_pkey_orig_copy)(EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src);

 static void (*ecdsa_pkey_orig_cleanup)(EVP_PKEY_CTX *ctx);

 #endif /* HAVE_OPENSSL_DIGEST_SIGN */

 

@@ -405,7 +405,7 @@ ecdsa_ec_key_sign(const unsigned char *dgst, int dgst_len, const BIGNUM *inv,

 

 #ifdef HAVE_OPENSSL_DIGEST_SIGN

 static int

-ecdsa_pkey_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)

+ecdsa_pkey_copy(EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src)

 {

     if (ecdsa_pkey_orig_copy && !ecdsa_pkey_orig_copy(dst, src))

         return 0;

diff --git a/src/tpm2-tss-engine-rsa.c b/src/tpm2-tss-engine-rsa.c

index 41de34e..e7260c2 100644

--- a/src/tpm2-tss-engine-rsa.c

+++ b/src/tpm2-tss-engine-rsa.c

@@ -49,7 +49,7 @@ RSA_METHOD *rsa_methods = NULL;

 #endif /* OPENSSL_VERSION_NUMBER < 0x10100000 */

 

 #ifdef HAVE_OPENSSL_DIGEST_SIGN

-static int (*rsa_pkey_orig_copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src);

+static int (*rsa_pkey_orig_copy)(EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src);

 static void (*rsa_pkey_orig_cleanup)(EVP_PKEY_CTX *ctx);

 #endif /* HAVE_OPENSSL_DIGEST_SIGN */

 

@@ -637,7 +637,7 @@ RSA_METHOD rsa_methods = {

 

 #ifdef HAVE_OPENSSL_DIGEST_SIGN

 static int

-rsa_pkey_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)

+rsa_pkey_copy(EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src)

 {

     if (rsa_pkey_orig_copy && !rsa_pkey_orig_copy(dst, src))

         return 0;