diff options
Diffstat (limited to 'crypto/asn1')
| -rw-r--r-- | crypto/asn1/ameth_lib.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/crypto/asn1/ameth_lib.c b/crypto/asn1/ameth_lib.c index a40e20ed33..76512c6763 100644 --- a/crypto/asn1/ameth_lib.c +++ b/crypto/asn1/ameth_lib.c @@ -104,7 +104,8 @@ const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe, const char *str, int len) { int i; - const EVP_PKEY_ASN1_METHOD *ameth; + const EVP_PKEY_ASN1_METHOD *ameth = NULL; + if (len == -1) len = strlen(str); if (pe) { @@ -124,12 +125,12 @@ const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe, #endif *pe = NULL; } - for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) { + for (i = EVP_PKEY_asn1_get_count(); i-- > 0; ) { ameth = EVP_PKEY_asn1_get0(i); if (ameth->pkey_flags & ASN1_PKEY_ALIAS) continue; - if (((int)strlen(ameth->pem_str) == len) - && (strncasecmp(ameth->pem_str, str, len) == 0)) + if ((int)strlen(ameth->pem_str) == len + && strncasecmp(ameth->pem_str, str, len) == 0) return ameth; } return NULL; @@ -137,11 +138,21 @@ const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe, int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth) { + EVP_PKEY_ASN1_METHOD tmp = { 0, }; + if (app_methods == NULL) { app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp); if (app_methods == NULL) return 0; } + + tmp.pkey_id = ameth->pkey_id; + if (sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp) >= 0) { + EVPerr(EVP_F_EVP_PKEY_ASN1_ADD0, + EVP_R_PKEY_APPLICATION_ASN1_METHOD_ALREADY_REGISTERED); + return 0; + } + if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth)) return 0; sk_EVP_PKEY_ASN1_METHOD_sort(app_methods); |