1 files changed, 72 insertions, 0 deletions
diff --git a/cgi/cgicookie.c b/cgi/cgicookie.c
new file mode 100644
index 0000000..704b7fc
--- /dev/null
+++ b/cgi/cgicookie.c
@@ -0,0 +1,72 @@
+/*
+** Copyright 2007 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+/*
+*/
+
+#include	"cgi.h"
+#include	<stdio.h>
+#include	<string.h>
+#include	<stdlib.h>
+#include	<ctype.h>
+
+extern void error(const char *);
+
+static void enomem()
+{
+	error("Out of memory.");
+}
+
+char	*cgi_cookie(const char *p)
+{
+size_t	pl=strlen(p);
+const char *c=getenv("HTTP_COOKIE");
+char	*buf;
+
+	while (c && *c)
+	{
+	size_t	i;
+
+		for (i=0; c[i] && c[i] != '='; i++)
+			;
+		if (i == pl && strncmp(p, c, i) == 0)
+		{
+			c += i;
+			if (*c)	++c;	/* skip over = */
+			for (i=0; c[i] && c[i] != ';'; i++)
+				;
+
+			buf=malloc(i+1);
+			if (!buf)	enomem();
+			memcpy(buf, c, i);
+			buf[i]=0;
+			cgiurldecode(buf);
+			return (buf);
+		}
+		c=strchr(c, ';');
+		if (c)
+			do
+			{
+				++c;
+			} while (isspace((int)(unsigned char)*c));
+	}
+	buf=malloc(1);
+	if (!buf)	enomem();
+	*buf=0;
+	return (buf);
+}
+
+void cgi_setcookie(const char *name, const char *value)
+{
+char	*p;
+const	char *sn;
+
+	p=cgiurlencode(value);
+	sn=getenv("SCRIPT_NAME");
+	if (!sn || !*sn)
+		sn="/";
+	printf("Set-Cookie: %s=%s; path=%s\n", name, value, sn);
+	free(p);
+}