[xmlsec] Adding configurable Base64 line length

[Aleksey Sanin <aleksey src gnome org>]

commit 5aa34ff3ddc739bc21e060517a2e2790f33911b1
Author: Aleksey Sanin <aleksey aleksey com>
Date:   Tue Jun 9 16:27:59 2009 -0700

    Adding configurable Base64 line length
---
 include/xmlsec/base64.h |    4 ++++
 src/base64.c            |   27 ++++++++++++++++++++++++++-
 src/bn.c                |    2 +-
 src/keyinfo.c           |    2 +-
 src/nss/bignum.c        |    2 +-
 src/openssl/bn.c        |    2 +-
 6 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/include/xmlsec/base64.h b/include/xmlsec/base64.h
index 3cdcbb9..444a566 100644
--- a/include/xmlsec/base64.h
+++ b/include/xmlsec/base64.h
@@ -27,6 +27,10 @@ extern "C" {
  */
 #define XMLSEC_BASE64_LINESIZE				64
 
+XMLSEC_EXPORT int		xmlSecBase64GetDefaultLineSize	();
+XMLSEC_EXPORT void		xmlSecBase64SetDefaultLineSize	(int columns);
+
+
 /**
  * Base64 Context
  */
diff --git a/src/base64.c b/src/base64.c
index dc5aa8e..fbe307f 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -108,6 +108,31 @@ static int			xmlSecBase64CtxDecode		(xmlSecBase64CtxPtr ctx,
 								 xmlSecSize* outBufResSize);
 static int			xmlSecBase64CtxDecodeIsFinished	(xmlSecBase64CtxPtr ctx);
 
+
+static int g_xmlsec_base64_default_line_size = XMLSEC_BASE64_LINESIZE;
+
+/**
+ * xmlSecBase64GetDefaultLineSize:
+ *
+ * Returns the current default line size.
+ */
+int
+xmlSecBase64GetDefaultLineSize()
+{
+    return g_xmlsec_base64_default_line_size;
+}
+
+/**
+ * xmlSecBase64SetDefaultLineSize:
+ *
+ * Sets the current default line size.
+ */
+void
+xmlSecBase64SetDefaultLineSize(int columns)
+{
+    g_xmlsec_base64_default_line_size = columns;
+}
+
 /**
  * xmlSecBase64CtxCreate:
  * @encode:		the encode/decode flag (1 - encode, 0 - decode) 
@@ -843,7 +868,7 @@ xmlSecBase64Initialize(xmlSecTransformPtr transform) {
     xmlSecAssert2(ctx != NULL, -1);
 
     transform->operation = xmlSecTransformOperationDecode;
-    ret = xmlSecBase64CtxInitialize(ctx, 0, XMLSEC_BASE64_LINESIZE);
+    ret = xmlSecBase64CtxInitialize(ctx, 0, xmlSecBase64GetDefaultLineSize());
     if(ret < 0) {
 	xmlSecError(XMLSEC_ERRORS_HERE,
 		    xmlSecErrorsSafeString(xmlSecTransformGetName(transform)),
diff --git a/src/bn.c b/src/bn.c
index 8c16ba3..c8d0762 100644
--- a/src/bn.c
+++ b/src/bn.c
@@ -949,7 +949,7 @@ xmlSecBnSetNodeValue(xmlSecBnPtr bn, xmlNodePtr cur, xmlSecBnFormat format, int
 
     switch(format) {
     case xmlSecBnBase64:
-	ret = xmlSecBufferBase64NodeContentWrite(bn, cur, XMLSEC_BASE64_LINESIZE);
+	ret = xmlSecBufferBase64NodeContentWrite(bn, cur, xmlSecBase64GetDefaultLineSize());
 	if(ret < 0) {
 	    xmlSecError(XMLSEC_ERRORS_HERE,
 			NULL,
diff --git a/src/keyinfo.c b/src/keyinfo.c
index e274375..6d0962a 100644
--- a/src/keyinfo.c
+++ b/src/keyinfo.c
@@ -277,7 +277,7 @@ xmlSecKeyInfoCtxInitialize(xmlSecKeyInfoCtxPtr keyInfoCtx, xmlSecKeysMngrPtr key
     
     memset(keyInfoCtx, 0, sizeof(xmlSecKeyInfoCtx));
     keyInfoCtx->keysMngr = keysMngr;
-    keyInfoCtx->base64LineSize = XMLSEC_BASE64_LINESIZE;    
+    keyInfoCtx->base64LineSize = xmlSecBase64GetDefaultLineSize();    
     ret = xmlSecPtrListInitialize(&(keyInfoCtx->enabledKeyData), xmlSecKeyDataIdListId);
     if(ret < 0) {
 	xmlSecError(XMLSEC_ERRORS_HERE,
diff --git a/src/nss/bignum.c b/src/nss/bignum.c
index b9e0d6b..e0bbc38 100644
--- a/src/nss/bignum.c
+++ b/src/nss/bignum.c
@@ -142,7 +142,7 @@ xmlSecNssNodeSetBigNumValue(xmlNodePtr cur, const SECItem *a, int addLineBreaks)
 	xmlNodeSetContent(cur, xmlSecStringEmpty);
     }
     
-    ret = xmlSecBufferBase64NodeContentWrite(&buf, cur, XMLSEC_BASE64_LINESIZE);
+    ret = xmlSecBufferBase64NodeContentWrite(&buf, cur, xmlSecBase64GetDefaultLineSize());
     if(ret < 0) {
 	xmlSecError(XMLSEC_ERRORS_HERE,
 		    NULL,
diff --git a/src/openssl/bn.c b/src/openssl/bn.c
index 2613b0e..3fd2001 100644
--- a/src/openssl/bn.c
+++ b/src/openssl/bn.c
@@ -142,7 +142,7 @@ xmlSecOpenSSLNodeSetBNValue(xmlNodePtr cur, const BIGNUM *a, int addLineBreaks)
 	xmlNodeSetContent(cur, xmlSecStringEmpty);
     }
     
-    ret = xmlSecBufferBase64NodeContentWrite(&buf, cur, XMLSEC_BASE64_LINESIZE);
+    ret = xmlSecBufferBase64NodeContentWrite(&buf, cur, xmlSecBase64GetDefaultLineSize());
     if(ret < 0) {
 	xmlSecError(XMLSEC_ERRORS_HERE,
 		    NULL,