Blame SOURCES/netkit-ftp-0.17-token.patch

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diff -rup netkit-ftp-0.17/ftp/ruserpass.c netkit-ftp-0.17-new/ftp/ruserpass.c
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--- netkit-ftp-0.17/ftp/ruserpass.c	2012-10-29 15:11:10.593841089 +0100
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+++ netkit-ftp-0.17-new/ftp/ruserpass.c	2012-10-29 15:13:14.379822697 +0100
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@@ -58,7 +58,8 @@ static int token(void);
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 #define	ID	10
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 #define	MACH	11
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-static char tokval[100];
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+#define MAXTOKENLEN 4096
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+static char tokval[MAXTOKENLEN];
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 static struct toktab {
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 	const char *tokstr;
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@@ -249,13 +250,16 @@ bad:
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 	return(-1);
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 }
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-static 
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+static
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 int
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 token(void)
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 {
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 	char *cp;
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 	int c;
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 	struct toktab *t;
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+	size_t toklen = 0;
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+	int showwarn = 1;
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+	int quote = 0;
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 	if (feof(cfile))
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 		return (0);
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@@ -266,20 +270,32 @@ token(void)
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 		return (0);
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 	cp = tokval;
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 	if (c == '"') {
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-		while ((c = getc(cfile)) != EOF && c != '"') {
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-			if (c == '\\')
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-				c = getc(cfile);
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-			*cp++ = c;
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-		}
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-	} else {
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+		quote = 1;
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+	}
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+	else {
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 		*cp++ = c;
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-		while ((c = getc(cfile)) != EOF
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-		    && c != '\n' && c != '\t' && c != ' ' && c != ',') {
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-			if (c == '\\')
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-				c = getc(cfile);
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-			*cp++ = c;
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+		toklen++;
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+	}
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+	while ((c = getc(cfile)) != EOF) {
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+		if (c == '"')
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+			break;
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+		if (c == '\\')
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+			c = getc(cfile);
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+		if (!quote && (c == '\n' || c == '\t' || c == ' ' || c == ','))
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+			break;
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+		if (toklen >= MAXTOKENLEN) {
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+			if (showwarn) {
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+				fprintf(stderr,
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+						"Warning: .netrc token too long, will be trunctated to %zd characters\n",
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+						toklen);
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+				showwarn = 0;
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+			}
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+			continue;
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 		}
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+		*cp++ = c;
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+		toklen++;
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 	}
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+
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 	*cp = 0;
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 	if (tokval[0] == 0)
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 		return (0);