Added support for HTML cookies, written by Mikko Torni <mtorni@mail.freenet.hut.fi>

Mikko reported that it doesn't work properly so he's tuning it.

diff --git a/cookie.c b/cookie.c
new file mode 100644 (file)
index 0000000..17fe7fa
--- /dev/null
+++ b/cookie.c
@@ -0,0 +1,81 @@
+/*
+    cookie.c - Cookie support
+    Copyright (C) 1998 Mikko Torni <mtorni@freenet.hut.fi>
+     
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+    
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+    
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software 
+    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+/*
+    Sun Dec  6 15:39:31 MET 1998: Martin Schulze <joey@infodrom.north.de>
+       Reformatted, added exclusion if no cookie has been provided.
+*/
+
+
+#include <stdlib.h>
+#include <string.h>
+
+static struct cookie_jar {
+    char *name,*val;
+} *jar;
+
+static void cookie_collect(char *s) {
+    int jarsz = 0;
+    int cl,el;
+
+    if(s) el=strlen(s);
+    while(s && (el>0)) {
+       while(*s==' ') s++;
+       jar=realloc(jar,sizeof(struct cookie_jar)*++jarsz);
+       cl=strcspn(s,"=");
+       jar[jarsz-1].name=malloc(cl+1);
+       strncpy(jar[jarsz-1].name,s,cl);
+       jar[jarsz-1].name[cl]=0;
+       s+=cl+1;
+       cl=strcspn(s,";");
+       jar[jarsz-1].val=malloc(cl+1);
+       strncpy(jar[jarsz-1].val,s,cl);
+       jar[jarsz-1].val[cl]=0;
+       el-=cl+1;
+       s+=cl+1;
+    }
+    jar=realloc(jar,sizeof(struct cookie_jar)*++jarsz);
+    jar[jarsz-1].name=0;
+    jar[jarsz-1].val=0;
+    return;
+}
+
+char *cgiGetCookie(char *name) {
+    int i=0;
+    if (name==0) return 0;
+    if (jar==0) cookie_collect(getenv("HTTP_COOKIE"));
+    if (jar > 0) {
+       while(jar[i].name) {
+           if(strcmp(jar[i].name,name)==0) {
+               return jar[i].val;
+           }
+           i++;
+       }
+    }
+    return NULL;
+}
+
+
+/*
+ * Local variables:
+ *  c-indent-level: 4
+ *  c-basic-offset: 4
+ *  tab-width: 8
+ * End:
+ */