From cfc5e0aa739abeb8861d2127ca31addcc1149a3e Mon Sep 17 00:00:00 2001
From: FdaSilvaYY <fdasilvayy@gmail.com>
Date: Sun, 31 Jul 2016 19:19:49 +0200
Subject: [PATCH] Constify inputs of two X509_LOOKUP_METHOD methods

... get_by_fingerprint() and get_by_alias()

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
---
 crypto/x509/x509_lcl.h     | 4 ++--
 crypto/x509/x509_lu.c      | 4 ++--
 include/openssl/x509_vfy.h | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/crypto/x509/x509_lcl.h b/crypto/x509/x509_lcl.h
index 0ef5bc3764..9b22974f4d 100644
--- a/crypto/x509/x509_lcl.h
+++ b/crypto/x509/x509_lcl.h
@@ -80,10 +80,10 @@ struct x509_lookup_method_st {
                                  X509_NAME *name, ASN1_INTEGER *serial,
                                  X509_OBJECT *ret);
     int (*get_by_fingerprint) (X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
-                               unsigned char *bytes, int len,
+                               const unsigned char *bytes, int len,
                                X509_OBJECT *ret);
     int (*get_by_alias) (X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
-                         char *str, int len, X509_OBJECT *ret);
+                         const char *str, int len, X509_OBJECT *ret);
 };
 
 /* This is the functions plus an instance of the local variables. */
diff --git a/crypto/x509/x509_lu.c b/crypto/x509/x509_lu.c
index 79c68fedfc..952cbfb329 100644
--- a/crypto/x509/x509_lu.c
+++ b/crypto/x509/x509_lu.c
@@ -101,7 +101,7 @@ int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
 }
 
 int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
-                               unsigned char *bytes, int len,
+                               const unsigned char *bytes, int len,
                                X509_OBJECT *ret)
 {
     if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
@@ -110,7 +110,7 @@ int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
 }
 
 int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
-                         char *str, int len, X509_OBJECT *ret)
+                         const char *str, int len, X509_OBJECT *ret)
 {
     if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
         return 0;
diff --git a/include/openssl/x509_vfy.h b/include/openssl/x509_vfy.h
index a0f79276be..a5c9b4ad83 100644
--- a/include/openssl/x509_vfy.h
+++ b/include/openssl/x509_vfy.h
@@ -387,10 +387,10 @@ int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
                                  X509_NAME *name, ASN1_INTEGER *serial,
                                  X509_OBJECT *ret);
 int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
-                               unsigned char *bytes, int len,
+                               const unsigned char *bytes, int len,
                                X509_OBJECT *ret);
 int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, X509_LOOKUP_TYPE type,
-                         char *str, int len, X509_OBJECT *ret);
+                         const char *str, int len, X509_OBJECT *ret);
 int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
 
 int X509_STORE_load_locations(X509_STORE *ctx,
-- 
2.25.1