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Return nullptr instead of NULL for C++ return types.
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@ni4
ni4 committed Dec 5, 2024
1 parent 39f4c7c commit 2052e7c
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Showing 5 changed files with 58 additions and 58 deletions.
16 changes: 8 additions & 8 deletions src/lib/crypto/dl_ossl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@ dl_load_key(const pgp::mpi &mp,
if (!p || (mq && !q) || !g || !y || (mx && !x)) {
/* LCOV_EXCL_START */
RNP_LOG("out of memory");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}

Expand All @@ -80,14 +80,14 @@ dl_load_key(const pgp::mpi &mp,
if (!params) {
/* LCOV_EXCL_START */
RNP_LOG("failed to build dsa params");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
rnp::ossl::evp::PKeyCtx ctx(EVP_PKEY_CTX_new_id(EVP_PKEY_DH, NULL));
if (!ctx) {
/* LCOV_EXCL_START */
RNP_LOG("failed to create dl context");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
EVP_PKEY *rawkey = NULL;
Expand All @@ -102,33 +102,33 @@ dl_load_key(const pgp::mpi &mp,
if (!dh) {
/* LCOV_EXCL_START */
RNP_LOG("out of memory");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
/* line below must not fail */
int res = DH_set0_pqg(dh.get(), p.own(), q.own(), g.own());
assert(res == 1);
if (res < 1) {
return NULL;
return nullptr;

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}
/* line below must not fail */
res = DH_set0_key(dh.get(), y.own(), x.own());
assert(res == 1);
if (res < 1) {
return NULL;
return nullptr;

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}

rnp::ossl::evp::PKey evpkey(EVP_PKEY_new());
if (!evpkey) {
/* LCOV_EXCL_START */
RNP_LOG("allocation failed");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
if (EVP_PKEY_set1_DH(evpkey.get(), dh.get()) <= 0) {
/* LCOV_EXCL_START */
RNP_LOG("Failed to set key: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
return evpkey;
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20 changes: 10 additions & 10 deletions src/lib/crypto/dsa_ossl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,7 @@ build_params(rnp::bn &p, rnp::bn &q, rnp::bn &g, rnp::bn &y, rnp::bn &x)
!OSSL_PARAM_BLD_push_BN(bld.get(), OSSL_PKEY_PARAM_FFC_G, g.get()) ||
!OSSL_PARAM_BLD_push_BN(bld.get(), OSSL_PKEY_PARAM_PUB_KEY, y.get()) ||
(x && !OSSL_PARAM_BLD_push_BN(bld.get(), OSSL_PKEY_PARAM_PRIV_KEY, x.get()))) {
return NULL; // LCOV_EXCL_LINE
return nullptr; // LCOV_EXCL_LINE
}
return rnp::ossl::Param(OSSL_PARAM_BLD_to_param(bld.get()));
}
Expand All @@ -104,7 +104,7 @@ load_key(const Key &key, bool secret = false)
if (!p || !q || !g || !y || (secret && !x)) {
/* LCOV_EXCL_START */
RNP_LOG("out of memory");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}

Expand All @@ -113,14 +113,14 @@ load_key(const Key &key, bool secret = false)
if (!params) {
/* LCOV_EXCL_START */
RNP_LOG("failed to build dsa params");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
rnp::ossl::evp::PKeyCtx ctx(EVP_PKEY_CTX_new_id(EVP_PKEY_DSA, NULL));
if (!ctx) {
/* LCOV_EXCL_START */
RNP_LOG("failed to create dsa context");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
EVP_PKEY *rawkey = NULL;
Expand All @@ -130,41 +130,41 @@ load_key(const Key &key, bool secret = false)
secret ? EVP_PKEY_KEYPAIR : EVP_PKEY_PUBLIC_KEY,
params.get()) != 1)) {
RNP_LOG("failed to create key from data");
return NULL;
return nullptr;

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}
return rnp::ossl::evp::PKey(rawkey);
#else
rnp::ossl::DSA dsa(DSA_new());
if (!dsa) {
/* LCOV_EXCL_START */
RNP_LOG("Out of memory");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
if (DSA_set0_pqg(dsa.get(), p.own(), q.own(), g.own()) != 1) {
/* LCOV_EXCL_START */
RNP_LOG("Failed to set pqg. Error: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
if (DSA_set0_key(dsa.get(), y.own(), x.own()) != 1) {
/* LCOV_EXCL_START */
RNP_LOG("Secret key load error: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}

rnp::ossl::evp::PKey evpkey(EVP_PKEY_new());
if (!evpkey) {
/* LCOV_EXCL_START */
RNP_LOG("allocation failed");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
if (EVP_PKEY_set1_DSA(evpkey.get(), dsa.get()) <= 0) {
/* LCOV_EXCL_START */
RNP_LOG("Failed to set key: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
return evpkey;
Expand Down
48 changes: 24 additions & 24 deletions src/lib/crypto/ec_ossl.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -60,37 +60,37 @@ rnp::ossl::evp::PKey
generate_pkey(const pgp_pubkey_alg_t alg_id, const pgp_curve_t curve)
{
if (!Curve::alg_allows(alg_id, curve)) {
return NULL;
return nullptr;
}
auto ec_desc = Curve::get(curve);
if (!ec_desc) {
return NULL;
return nullptr;

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}
int nid = OBJ_sn2nid(ec_desc->openssl_name);
if (nid == NID_undef) {
/* LCOV_EXCL_START */
RNP_LOG("Unknown SN: %s", ec_desc->openssl_name);
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
bool raw = is_raw_key(curve);
rnp::ossl::evp::PKeyCtx ctx(EVP_PKEY_CTX_new_id(raw ? nid : EVP_PKEY_EC, NULL));
if (!ctx) {
/* LCOV_EXCL_START */
RNP_LOG("Failed to create ctx: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
if (EVP_PKEY_keygen_init(ctx.get()) <= 0) {
/* LCOV_EXCL_START */
RNP_LOG("Failed to init keygen: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
if (!raw && (EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx.get(), nid) <= 0)) {
/* LCOV_EXCL_START */
RNP_LOG("Failed to set curve nid: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
EVP_PKEY *rawkey = NULL;
Expand Down Expand Up @@ -179,7 +179,7 @@ load_raw_key(const pgp::mpi &keyp, const pgp::mpi *keyx, int nid)
/* as per RFC, EdDSA & 25519 keys must use 0x40 byte for encoding */
if ((keyp.bytes() != 33) || (keyp.mpi[0] != 0x40)) {
RNP_LOG("Invalid 25519 public key.");
return NULL;
return nullptr;
}
rnp::ossl::evp::PKey evpkey(
EVP_PKEY_new_raw_public_key(nid, NULL, &keyp.mpi[1], keyp.bytes() - 1));
Expand All @@ -193,7 +193,7 @@ load_raw_key(const pgp::mpi &keyp, const pgp::mpi *keyx, int nid)
if (nid == EVP_PKEY_X25519) {
if (keyx->len != 32) {
RNP_LOG("Invalid 25519 secret key");
return NULL;
return nullptr;

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}
/* need to reverse byte order since in mpi we have big-endian */
rnp::secure_array<uint8_t, 32> prkey;
Expand All @@ -204,7 +204,7 @@ load_raw_key(const pgp::mpi &keyp, const pgp::mpi *keyx, int nid)
} else {
if (keyx->len > 32) {
RNP_LOG("Invalid Ed25519 secret key");
return NULL;
return nullptr;

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}
/* keyx->len may be smaller then 32 as high byte is random and could become 0 */
rnp::secure_array<uint8_t, 32> prkey{};
Expand All @@ -223,13 +223,13 @@ build_params(const pgp::mpi &p, const pgp::mpi *x, const char *curve)
{
rnp::ossl::ParamBld bld(OSSL_PARAM_BLD_new());
if (!bld) {
return NULL;
return nullptr;

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}
rnp::bn bx(x);
if (!OSSL_PARAM_BLD_push_utf8_string(bld.get(), OSSL_PKEY_PARAM_GROUP_NAME, curve, 0) ||
!OSSL_PARAM_BLD_push_octet_string(bld.get(), OSSL_PKEY_PARAM_PUB_KEY, p.mpi, p.len) ||
(x && !OSSL_PARAM_BLD_push_BN(bld.get(), OSSL_PKEY_PARAM_PRIV_KEY, bx.get()))) {
return NULL; // LCOV_EXCL_LINE
return nullptr; // LCOV_EXCL_LINE
}
return rnp::ossl::Param(OSSL_PARAM_BLD_to_param(bld.get()));
}
Expand All @@ -241,14 +241,14 @@ load_key_openssl3(const pgp::mpi &keyp, const pgp::mpi *keyx, const Curve &curv_
if (!params) {
/* LCOV_EXCL_START */
RNP_LOG("failed to build ec params");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
rnp::ossl::evp::PKeyCtx ctx(EVP_PKEY_CTX_new_id(EVP_PKEY_EC, NULL));
if (!ctx) {
/* LCOV_EXCL_START */
RNP_LOG("failed to create ec context");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
EVP_PKEY *evpkey = NULL;
Expand All @@ -271,17 +271,17 @@ load_key(const pgp::mpi &keyp, const pgp::mpi *keyx, pgp_curve_t curve)
auto curv_desc = Curve::get(curve);
if (!curv_desc) {
RNP_LOG("unknown curve");
return NULL;
return nullptr;

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}
if (!Curve::is_supported(curve)) {
RNP_LOG("Curve %s is not supported.", curv_desc->pgp_name);
return NULL;
return nullptr;

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}
int nid = OBJ_sn2nid(curv_desc->openssl_name);
if (nid == NID_undef) {
/* LCOV_EXCL_START */
RNP_LOG("Unknown SN: %s", curv_desc->openssl_name);
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
/* EdDSA and X25519 keys are loaded in a different way */
Expand All @@ -297,7 +297,7 @@ load_key(const pgp::mpi &keyp, const pgp::mpi *keyx, pgp_curve_t curve)
RNP_LOG("Failed to create EC key with group %s: %s",
curv_desc->openssl_name,
rnp::ossl::latest_err());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}

Expand All @@ -306,32 +306,32 @@ load_key(const pgp::mpi &keyp, const pgp::mpi *keyx, pgp_curve_t curve)
if (!p) {
/* LCOV_EXCL_START */
RNP_LOG("Failed to allocate point: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
if (EC_POINT_oct2point(group, p.get(), keyp.mpi, keyp.len, NULL) <= 0) {
/* LCOV_EXCL_START */
RNP_LOG("Failed to decode point: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
if (EC_KEY_set_public_key(ec.get(), p.get()) <= 0) {
/* LCOV_EXCL_START */
RNP_LOG("Failed to set public key: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}

rnp::ossl::evp::PKey pkey(EVP_PKEY_new());
if (!pkey) {
/* LCOV_EXCL_START */
RNP_LOG("EVP_PKEY allocation failed: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}

if (EVP_PKEY_set1_EC_KEY(pkey.get(), ec.get()) <= 0) {
return NULL;
return nullptr;

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}

if (!keyx) {
Expand All @@ -342,13 +342,13 @@ load_key(const pgp::mpi &keyp, const pgp::mpi *keyx, pgp_curve_t curve)
if (!x) {
/* LCOV_EXCL_START */
RNP_LOG("allocation failed");
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
if (EC_KEY_set_private_key(ec.get(), x.get()) <= 0) {
/* LCOV_EXCL_START */
RNP_LOG("Failed to set secret key: %lu", ERR_peek_last_error());
return NULL;
return nullptr;
/* LCOV_EXCL_END */
}
return pkey;
Expand Down
2 changes: 1 addition & 1 deletion src/lib/crypto/hash_common.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -186,7 +186,7 @@ HashList::get(pgp_hash_alg_t alg) const
return hash.get();
}
}
return NULL;
return nullptr;
}

void
Expand Down
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