openssl s_server: don't use sendto() with connected UDP socket

[openssl.git] / apps / rsa.c

diff --git a/apps/rsa.c b/apps/rsa.c
index 203e6b96e4d2a91c56664f7b45623aa07bc18f5f..fdd02dce32419a764ac7e7b7fc9eaa4fd4b80409 100644 (file)
--- a/apps/rsa.c
+++ b/apps/rsa.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -17,6 +17,7 @@ NON_EMPTY_TRANSLATION_UNIT
 # include <string.h>
 # include <time.h>
 # include "apps.h"
+# include "progs.h"
 # include <openssl/bio.h>
 # include <openssl/err.h>
 # include <openssl/rsa.h>
@@ -29,14 +30,16 @@ typedef enum OPTION_choice {
     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
     OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
     OPT_PUBIN, OPT_PUBOUT, OPT_PASSOUT, OPT_PASSIN,
-    OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT, OPT_PVK_STRONG, OPT_PVK_WEAK,
-    OPT_PVK_NONE, OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER
+    OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT,
+    /* Do not change the order here; see case statements below */
+    OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG,
+    OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER
 } OPTION_CHOICE;
 
-OPTIONS rsa_options[] = {
+const OPTIONS rsa_options[] = {
     {"help", OPT_HELP, '-', "Display this summary"},
-    {"inform", OPT_INFORM, 'f', "Input format, one of DER NET PEM"},
-    {"outform", OPT_OUTFORM, 'f', "Output format, one of DER NET PEM PVK"},
+    {"inform", OPT_INFORM, 'f', "Input format, one of DER PEM"},
+    {"outform", OPT_OUTFORM, 'f', "Output format, one of DER PEM PVK"},
     {"in", OPT_IN, 's', "Input file"},
     {"out", OPT_OUT, '>', "Output file"},
     {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
@@ -51,9 +54,9 @@ OPTIONS rsa_options[] = {
     {"check", OPT_CHECK, '-', "Verify key consistency"},
     {"", OPT_CIPHER, '-', "Any supported cipher"},
 # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
-    {"pvk-strong", OPT_PVK_STRONG, '-'},
-    {"pvk-weak", OPT_PVK_WEAK, '-'},
-    {"pvk-none", OPT_PVK_NONE, '-'},
+    {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"},
+    {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"},
+    {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"},
 # endif
 # ifndef OPENSSL_NO_ENGINE
     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
@@ -124,22 +127,13 @@ int rsa_main(int argc, char **argv)
         case OPT_RSAPUBKEY_OUT:
             pubout = 2;
             break;
+        case OPT_PVK_STRONG:    /* pvk_encr:= 2 */
+        case OPT_PVK_WEAK:      /* pvk_encr:= 1 */
+        case OPT_PVK_NONE:      /* pvk_encr:= 0 */
 # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
-        case OPT_PVK_STRONG:
-            pvk_encr = 2;
-            break;
-        case OPT_PVK_WEAK:
-            pvk_encr = 1;
-            break;
-        case OPT_PVK_NONE:
-            pvk_encr = 0;
-            break;
-# else
-        case OPT_PVK_STRONG:
-        case OPT_PVK_WEAK:
-        case OPT_PVK_NONE:
-            break;
+            pvk_encr = (o - OPT_PVK_NONE);
 # endif
+            break;
         case OPT_NOOUT:
             noout = 1;
             break;
@@ -183,12 +177,14 @@ int rsa_main(int argc, char **argv)
                     tmpformat = FORMAT_PEMRSA;
                 else if (informat == FORMAT_ASN1)
                     tmpformat = FORMAT_ASN1RSA;
-            } else
+            } else {
                 tmpformat = informat;
+            }
 
             pkey = load_pubkey(infile, tmpformat, 1, passin, e, "Public Key");
-        } else
+        } else {
             pkey = load_key(infile, informat, 1, passin, e, "Private Key");
+        }
 
         if (pkey != NULL)
             rsa = EVP_PKEY_get1_RSA(pkey);
@@ -222,25 +218,22 @@ int rsa_main(int argc, char **argv)
     }
 
     if (check) {
-        int r = RSA_check_key(rsa);
+        int r = RSA_check_key_ex(rsa, NULL);
 
-        if (r == 1)
+        if (r == 1) {
             BIO_printf(out, "RSA key ok\n");
-        else if (r == 0) {
+        } else if (r == 0) {
             unsigned long err;
 
             while ((err = ERR_peek_error()) != 0 &&
                    ERR_GET_LIB(err) == ERR_LIB_RSA &&
-                   ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY &&
+                   ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY_EX &&
                    ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) {
                 BIO_printf(out, "RSA key error: %s\n",
                            ERR_reason_error_string(err));
-                ERR_get_error(); /* remove e from error stack */
+                ERR_get_error(); /* remove err from error stack */
             }
-        }
-
-        /* should happen only if r == -1 */
-        if (r == -1 || ERR_peek_error() != 0) {
+        } else if (r == -1) {
             ERR_print_errors(bio_err);
             goto end;
         }
@@ -261,8 +254,7 @@ int rsa_main(int argc, char **argv)
             assert(private);
             i = i2d_RSAPrivateKey_bio(out, rsa);
         }
-    }
-    else if (outformat == FORMAT_PEM) {
+    } else if (outformat == FORMAT_PEM) {
         if (pubout || pubin) {
             if (pubout == 2)
                 i = PEM_write_bio_RSAPublicKey(out, rsa);
@@ -273,10 +265,13 @@ int rsa_main(int argc, char **argv)
             i = PEM_write_bio_RSAPrivateKey(out, rsa,
                                             enc, NULL, 0, NULL, passout);
         }
-# if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4)
+# ifndef OPENSSL_NO_DSA
     } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
         EVP_PKEY *pk;
         pk = EVP_PKEY_new();
+        if (pk == NULL)
+            goto end;
+
         EVP_PKEY_set1_RSA(pk, rsa);
         if (outformat == FORMAT_PVK) {
             if (pubin) {
@@ -285,7 +280,13 @@ int rsa_main(int argc, char **argv)
                 goto end;
             }
             assert(private);
+#  ifdef OPENSSL_NO_RC4
+            BIO_printf(bio_err, "PVK format not supported\n");
+            EVP_PKEY_free(pk);
+            goto end;
+#  else
             i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
+#  endif
         } else if (pubin || pubout) {
             i = i2b_PublicKey_bio(out, pk);
         } else {
@@ -301,13 +302,15 @@ int rsa_main(int argc, char **argv)
     if (i <= 0) {
         BIO_printf(bio_err, "unable to write key\n");
         ERR_print_errors(bio_err);
-    } else
+    } else {
         ret = 0;
+    }
  end:
+    release_engine(e);
     BIO_free_all(out);
     RSA_free(rsa);
     OPENSSL_free(passin);
     OPENSSL_free(passout);
-    return (ret);
+    return ret;
 }
 #endif