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/* $Cambridge: hermes/src/prayer/cmd/cmd_check_cookie.c,v 1.5 2010/07/07 15:49:34 dpc22 Exp $ */
/************************************************
* Prayer - a Webmail Interface *
************************************************/
/* Copyright (c) University of Cambridge 2000 - 2008 */
/* See the file NOTICE for conditions of use and distribution. */
#include "prayer_session.h"
void cmd_check_cookie(struct session *session)
{
struct request *request = session->request;
char *s = assoc_lookup(request->hdrs, "cookie");
char *t;
char *u;
BOOL have_cookie = NIL;
char *key;
unsigned long pid = (unsigned long)getpid();
key = pool_printf(request->pool, "%s:%lu", session->username, pid);
/* Look for username:port=VALUE in cookie */
while (s && *s && (t = strchr(s, '='))) {
*t++ = '\0';
if ((u = strchr(t, ';')))
*u++ = '\0';
if (!strcmp(key, string_trim_whitespace(s))) {
if (!strcmp(session->sessionid, string_trim_whitespace(t)))
have_cookie = T;
break;
}
s = u;
}
if (have_cookie) {
/* Force update for session URLs */
session->use_cookie = T;
session_update_sequence(session);
}
/* Define sane last_cmd: don't want to end up back here! */
session_record_last_cmd(session, "welcome");
if (have_cookie)
session_make_session_redirect(session, request, "welcome");
else
session_redirect(session, request, "welcome");
}
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