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Fix the return check of OBJ_obj2txt

Browse Source 
Also update OBJ_nid2obj.pod to document the possible return values.

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17005)
This commit is contained in:
PW Hu 2021-11-10 12:39:54 +08:00 committed by Tomas Mraz
parent 615a9b8798
commit 2349d7ba57
10 changed files with 18 additions and 14 deletions
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2
crypto/cms/cms_dh.c
View File

@ -118,7 +118,7 @@ static int dh_cms_set_shared_info(EVP_PKEY_CTX *pctx, CMS_RecipientInfo *ri)
if (kekctx == NULL)
goto err;
if (!OBJ_obj2txt(name, sizeof(name), kekalg->algorithm, 0))
if (OBJ_obj2txt(name, sizeof(name), kekalg->algorithm, 0) <= 0)
goto err;
kekcipher = EVP_CIPHER_fetch(pctx->libctx, name, pctx->propquery);

2
crypto/cms/cms_ec.c
View File

@ -47,7 +47,7 @@ static EVP_PKEY *pkey_type2param(int ptype, const void *pval,
pctx = EVP_PKEY_CTX_new_from_name(libctx, "EC", propq);
if (pctx == NULL || EVP_PKEY_paramgen_init(pctx) <= 0)
goto err;
if (!OBJ_obj2txt(groupname, sizeof(groupname), poid, 0)
if (OBJ_obj2txt(groupname, sizeof(groupname), poid, 0) <= 0
|| !EVP_PKEY_CTX_set_group_name(pctx, groupname)) {
ERR_raise(ERR_LIB_CMS, CMS_R_DECODE_ERROR);
goto err;

4
crypto/cms/cms_sd.c
View File

@ -784,8 +784,8 @@ int CMS_SignerInfo_sign(CMS_SignerInfo *si)
const CMS_CTX *ctx = si->cms_ctx;
char md_name[OSSL_MAX_NAME_SIZE];
if (!OBJ_obj2txt(md_name, sizeof(md_name),
si->digestAlgorithm->algorithm, 0))
if (OBJ_obj2txt(md_name, sizeof(md_name),
si->digestAlgorithm->algorithm, 0) <= 0)
return 0;
if (CMS_signed_get_attr_by_NID(si, NID_pkcs9_signingTime, -1) < 0) {

2
crypto/core_namemap.c
View File

@ -397,7 +397,7 @@ static void get_legacy_evp_names(int base_nid, int nid, const char *pem_name,
if ((obj = OBJ_nid2obj(nid)) != NULL) {
char txtoid[OSSL_MAX_NAME_SIZE];
if (OBJ_obj2txt(txtoid, sizeof(txtoid), obj, 1))
if (OBJ_obj2txt(txtoid, sizeof(txtoid), obj, 1) > 0)
num = ossl_namemap_add_name(arg, num, txtoid);
}
}

4
crypto/crmf/crmf_pbm.c
View File

@ -200,8 +200,8 @@ int OSSL_CRMF_pbm_new(OSSL_LIB_CTX *libctx, const char *propq,
mac_nid = OBJ_obj2nid(pbmp->mac->algorithm);
if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, mac_nid, NULL, &hmac_md_nid, NULL)
|| !OBJ_obj2txt(hmac_mdname, sizeof(hmac_mdname),
OBJ_nid2obj(hmac_md_nid), 0)) {
|| OBJ_obj2txt(hmac_mdname, sizeof(hmac_mdname),
OBJ_nid2obj(hmac_md_nid), 0) <= 0) {
ERR_raise(ERR_LIB_CRMF, CRMF_R_UNSUPPORTED_ALGORITHM);
goto err;
}

2
crypto/dh/dh_kdf.c
View File

@ -70,7 +70,7 @@ int DH_KDF_X9_42(unsigned char *out, size_t outlen,
const OSSL_PROVIDER *prov = EVP_MD_get0_provider(md);
OSSL_LIB_CTX *libctx = ossl_provider_libctx(prov);
if (!OBJ_obj2txt(key_alg, sizeof(key_alg), key_oid, 0))
if (OBJ_obj2txt(key_alg, sizeof(key_alg), key_oid, 0) <= 0)
return 0;
return ossl_dh_kdf_X9_42_asn1(out, outlen, Z, Zlen, key_alg,

4
doc/man3/OBJ_nid2obj.pod
View File

@ -155,6 +155,10 @@ a NID or B<NID_undef> on error.
OBJ_add_sigid() returns 1 on success or 0 on error.
OBJ_obj2txt() returns the number of bytes written to I<buf> if I<buf_len> is big enough.
Otherwise, the result is truncated and the total amount of space required is returned.
It also returns -1 on error.
=head1 EXAMPLES
Create an object for B<commonName>:

2
providers/implementations/encode_decode/decode_spki2typespki.c
View File

@ -87,7 +87,7 @@ static int spki2typespki_decode(void *vctx, OSSL_CORE_BIO *cin, int selection,
strcpy(dataname, "SM2");
else
#endif
if (!OBJ_obj2txt(dataname, sizeof(dataname), oid, 0))
if (OBJ_obj2txt(dataname, sizeof(dataname), oid, 0) <= 0)
goto end;
ossl_X509_PUBKEY_INTERNAL_free(xpub);

2
test/algorithmid_test.c
View File

@ -48,7 +48,7 @@ static int test_spki_aid(X509_PUBKEY *pubkey, const char *filename)
goto end;
X509_ALGOR_get0(&oid, NULL, NULL, alg);
if (!TEST_true(OBJ_obj2txt(name, sizeof(name), oid, 0)))
if (!TEST_int_gt(OBJ_obj2txt(name, sizeof(name), oid, 0), 0))
goto end;
/*

8
test/evp_fetch_prov_test.c
View File

@ -220,11 +220,11 @@ static int test_explicit_EVP_MD_fetch_by_X509_ALGOR(int idx)
X509_ALGOR_get0(&obj, NULL, NULL, algor);
switch (idx) {
case 0:
if (!TEST_true(OBJ_obj2txt(id, sizeof(id), obj, 0)))
if (!TEST_int_gt(OBJ_obj2txt(id, sizeof(id), obj, 0), 0))
goto end;
break;
case 1:
if (!TEST_true(OBJ_obj2txt(id, sizeof(id), obj, 1)))
if (!TEST_int_gt(OBJ_obj2txt(id, sizeof(id), obj, 1), 0))
goto end;
break;
}
@ -336,11 +336,11 @@ static int test_explicit_EVP_CIPHER_fetch_by_X509_ALGOR(int idx)
X509_ALGOR_get0(&obj, NULL, NULL, algor);
switch (idx) {
case 0:
if (!TEST_true(OBJ_obj2txt(id, sizeof(id), obj, 0)))
if (!TEST_int_gt(OBJ_obj2txt(id, sizeof(id), obj, 0), 0))
goto end;
break;
case 1:
if (!TEST_true(OBJ_obj2txt(id, sizeof(id), obj, 1)))
if (!TEST_int_gt(OBJ_obj2txt(id, sizeof(id), obj, 1), 0))
goto end;
break;
}