Fix error handling in X509_REQ_print_ex
@@ -93,10 +93,12 @@ int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
pkey = X509_REQ_get0_pubkey(x);
if (pkey == NULL) {
- BIO_printf(bp, "%12sUnable to load Public Key\n", "");
+ if (BIO_printf(bp, "%12sUnable to load Public Key\n", "") <= 0)
+ goto err;
ERR_print_errors(bp);
} else {
- EVP_PKEY_print_public(bp, pkey, 16, NULL);
+ if (EVP_PKEY_print_public(bp, pkey, 16, NULL) <= 0)
+ goto err;
}
}
@@ -143,10 +145,12 @@ int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
if (BIO_write(bp, (char *)bs->data, bs->length)
!= bs->length)
goto err;
- BIO_puts(bp, "\n");
+ if (BIO_puts(bp, "\n") <= 0)
+ goto err;
break;
default:
- BIO_puts(bp, "unable to print attribute\n");
+ if (BIO_puts(bp, "unable to print attribute\n") <= 0)
+ goto err;
break;
}
if (++ii < count)
@@ -157,7 +161,8 @@ int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
exts = X509_REQ_get_extensions(x);
if (exts) {
- BIO_printf(bp, "%8sRequested Extensions:\n", "");
+ if (BIO_printf(bp, "%8sRequested Extensions:\n", "") <= 0)
+ goto err;
for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
ASN1_OBJECT *obj;
X509_EXTENSION *ex;
@@ -166,13 +171,16 @@ int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
if (BIO_printf(bp, "%12s", "") <= 0)
goto err;
obj = X509_EXTENSION_get_object(ex);
- i2a_ASN1_OBJECT(bp, obj);
+ if (i2a_ASN1_OBJECT(bp, obj) <= 0)
+ goto err;
critical = X509_EXTENSION_get_critical(ex);
if (BIO_printf(bp, ": %s\n", critical ? "critical" : "") <= 0)
goto err;
if (!X509V3_EXT_print(bp, ex, cflag, 16)) {
- BIO_printf(bp, "%16s", "");
- ASN1_STRING_print(bp, X509_EXTENSION_get_data(ex));
+ if (BIO_printf(bp, "%16s", "") <= 0
+ || ASN1_STRING_print(bp,
+ X509_EXTENSION_get_data(ex)) <= 0)
+ goto err;
}
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
