Fixes for base64 decoding and encoding of vCard

1 files changed, 14 insertions, 15 deletions

diff --git a/library/backend/vcc.y b/library/backend/vcc.y
index 4c79368..bec2955 100644
--- a/library/backend/vcc.y
+++ b/library/backend/vcc.y
@@ -441,7 +441,7 @@ static void enterProps(const char *s)
 

 static void enterAttr(const char *s1, const char *s2)

     {

-    const char *p1, *p2;

+    const char *p1, *p2=0;

     p1 = lookupProp_(s1);

     if (s2) {

 	VObject *a;

@@ -813,7 +813,7 @@ static void finiLex() {
 /* This parses and converts the base64 format for binary encoding into

  * a decoded buffer (allocated with new).  See RFC 1521.

  */

-static char * lexGetDataFromBase64()

+static int lexGetDataFromBase64()

     {

     unsigned long bytesLen = 0, bytesMax = 0;

     int quadIx = 0, pad = 0;

@@ -826,6 +826,7 @@ static char * lexGetDataFromBase64()
     DBG_(("db: lexGetDataFromBase64\n"));

     while (1) {

 	c = lexGetc();

+	lexSkipWhite();

 	if (c == '\n') {

 	    ++mime_lineNum;

 	    if (lexLookahead() == '\n') {

@@ -848,8 +849,6 @@ static char * lexGetDataFromBase64()
 	    else if (c == '=') {

 		b = 0;

 		pad++;

-	    } else if ((c == ' ') || (c == '\t')) {

-		continue;

 	    } else { /* error condition */

 		if (bytes) free(bytes);

 		else if (oldBytes) free(oldBytes);

@@ -858,14 +857,17 @@ static char * lexGetDataFromBase64()
 		if (c != EOF)  {

 		    c = lexGetc();

 		    while (c != EOF) {

-			if (c == '\n' && lexLookahead() == '\n') {

-			    ++mime_lineNum;

-			    break;

+			if (c == '\n') {

+			    lexSkipWhite();

+			    if(lexLookahead() == '\n') {

+				++mime_lineNum;

+				break;

+				}

 			    }

 			c = lexGetc();

 			}

 		    }

-		return NULL;

+		return c != EOF;

 		}

 	    trip = (trip << 6) | b;

 	    if (++quadIx == 4) {

@@ -911,7 +913,7 @@ static char * lexGetDataFromBase64()
 	setValueWithSize(curProp,oldBytes,(unsigned int)bytesLen);

 	free(oldBytes);

 	}

-    return 0;

+    return bytesLen;

     }

 

 static int match_begin_end_name(int end) {

@@ -942,7 +944,7 @@ static char* lexGetQuotedPrintable()
     c = lexLookahead();

     lexClearToken();

 

-    while (c != EOF && c != ';') {

+    while (c != EOF && (c != ';' || !fieldedProp)) {

 	if (c == '\n') {

 	    // break, leave '\n' on remaining chars.

 	    break;

@@ -1032,11 +1034,8 @@ static int yylex() {
 	    lexPushLookaheadc(c);

 	    if (lexWithinMode(L_BASE64)) {

 		/* get each char and convert to bin on the fly... */

-		p = lexGetDataFromBase64();

-#if 0		
-		yylval.str = p;

-		return STRING;

-#endif		
+		yylval.str = NULL;

+		return lexGetDataFromBase64() ? STRING : 0;

 		}

 	    else if (lexWithinMode(L_QUOTED_PRINTABLE)) {

 		p = lexGetQuotedPrintable();