Don't dereference NULL argument. Coverity ID 52.

diff --git a/crypto/pem/pem.h b/crypto/pem/pem.h
index 51be12317d8118b989889f2f8bf38d5a4d2c041b..9d3f90e46aaa34120a2978b5382e4aecbf08874c 100644 (file)
--- a/crypto/pem/pem.h
+++ b/crypto/pem/pem.h
@@ -615,6 +615,7 @@ void ERR_load_PEM_strings(void);
 #define PEM_R_BAD_PASSWORD_READ                                 104
 #define PEM_R_BAD_VERSION_NUMBER                        117
 #define PEM_R_BIO_WRITE_FAILURE                                 118
+#define PEM_R_CIPHER_IS_NULL                            127
 #define PEM_R_ERROR_CONVERTING_PRIVATE_KEY              115
 #define PEM_R_EXPECTING_PRIVATE_KEY_BLOB                119
 #define PEM_R_EXPECTING_PUBLIC_KEY_BLOB                         120

diff --git a/crypto/pem/pem_err.c b/crypto/pem/pem_err.c
index 3318fab533d1f310f0020808cbed9b31e0918b2d..d644aeedd4f5b9cddab94cb229c3423485951f7d 100644 (file)
--- a/crypto/pem/pem_err.c
+++ b/crypto/pem/pem_err.c
@@ -1,6 +1,6 @@
 /* crypto/pem/pem_err.c */
 /* ====================================================================
- * Copyright (c) 1999-2006 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1999-2007 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -123,6 +123,7 @@ static ERR_STRING_DATA PEM_str_reasons[]=
 {ERR_REASON(PEM_R_BAD_PASSWORD_READ)     ,"bad password read"},
 {ERR_REASON(PEM_R_BAD_VERSION_NUMBER)    ,"bad version number"},
 {ERR_REASON(PEM_R_BIO_WRITE_FAILURE)     ,"bio write failure"},
+{ERR_REASON(PEM_R_CIPHER_IS_NULL)        ,"cipher is null"},
 {ERR_REASON(PEM_R_ERROR_CONVERTING_PRIVATE_KEY),"error converting private key"},
 {ERR_REASON(PEM_R_EXPECTING_PRIVATE_KEY_BLOB),"expecting private key blob"},
 {ERR_REASON(PEM_R_EXPECTING_PUBLIC_KEY_BLOB),"expecting public key blob"},

diff --git a/crypto/pem/pem_info.c b/crypto/pem/pem_info.c
index 7382b61995c4a3a2c570448461559d78227b1ac3..1b2be527edde007bf86c894d1f3b70f75bc6117e 100644 (file)
--- a/crypto/pem/pem_info.c
+++ b/crypto/pem/pem_info.c
@@ -339,6 +339,12 @@ int PEM_X509_INFO_write_bio(BIO *bp, X509_INFO *xi, EVP_CIPHER *enc,
                {
                if ( (xi->enc_data!=NULL) && (xi->enc_len>0) )
                        {
+                       if (enc == NULL)
+                               {
+                               PEMerr(PEM_F_PEM_X509_INFO_WRITE_BIO,PEM_R_CIPHER_IS_NULL);
+                               goto err;
+                               }
+
                        /* copy from weirdo names into more normal things */
                        iv=xi->enc_cipher.iv;
                        data=(unsigned char *)xi->enc_data;