X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fevp%2Fencode.c;h=ccfd84b7a819577c40aa161a8dec3ed596415080;hb=7f572e958b13041056f377a62d3219633cfb1e8a;hp=985fd29d8fa4f841159c8e1655b2a0d29796ddc5;hpb=3cdd1e94b1d71f2ce3002738f9506da91fe2af45;p=oweals%2Fopenssl.git

diff --git a/crypto/evp/encode.c b/crypto/evp/encode.c
index 985fd29d8f..ccfd84b7a8 100644
--- a/crypto/evp/encode.c
+++ b/crypto/evp/encode.c
@@ -60,9 +60,9 @@
 #include "internal/cryptlib.h"
 #include <openssl/evp.h>
 
+static unsigned char conv_ascii2bin(unsigned char a);
 #ifndef CHARSET_EBCDIC
 # define conv_bin2ascii(a)       (data_bin2ascii[(a)&0x3f])
-# define conv_ascii2bin(a)       (data_ascii2bin[(a)&0x7f])
 #else
 /*
  * We assume that PEM encoded files are EBCDIC files (i.e., printable text
@@ -71,7 +71,6 @@
  * as the underlying textstring data_bin2ascii[] is already EBCDIC)
  */
 # define conv_bin2ascii(a)       (data_bin2ascii[(a)&0x3f])
-# define conv_ascii2bin(a)       (data_ascii2bin[os_toascii[a]&0x7f])
 #endif
 
 /*-
@@ -124,6 +123,23 @@ static const unsigned char data_ascii2bin[128] = {
     0x31, 0x32, 0x33, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
 };
 
+#ifndef CHARSET_EBCDIC
+static unsigned char conv_ascii2bin(unsigned char a)
+{
+    if (a & 0x80)
+        return B64_ERROR;
+    return data_ascii2bin[a];
+}
+#else
+static unsigned char conv_ascii2bin(unsigned char a)
+{
+    a = os_toascii[a];
+    if (a & 0x80)
+        return B64_ERROR;
+    return data_ascii2bin[a];
+}
+#endif
+
 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx)
 {
     ctx->length = 48;
@@ -328,13 +344,13 @@ int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
 tail:
     if (n > 0) {
         if ((n & 3) == 0) {
-        decoded_len = EVP_DecodeBlock(out, d, n);
-        n = 0;
-        if (decoded_len < 0 || eof > decoded_len) {
-            rv = -1;
-            goto end;
-        }
-        ret += (decoded_len - eof);
+            decoded_len = EVP_DecodeBlock(out, d, n);
+            n = 0;
+            if (decoded_len < 0 || eof > decoded_len) {
+                rv = -1;
+                goto end;
+            }
+            ret += (decoded_len - eof);
         } else if (seof) {
             /* EOF in the middle of a base64 block. */
             rv = -1;