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/*
* Copyright (c) 2006 Atheme Development Group
* Rights to this code are as documented in doc/LICENSE.
*
* AUTHCOOKIE mechanism provider
*
*/
#include "atheme.h"
#include "authcookie.h"
DECLARE_MODULE_V1
(
"saslserv/authcookie", false, _modinit, _moddeinit,
PACKAGE_STRING,
"Atheme Development Group <http://www.atheme.org>"
);
mowgli_list_t *mechanisms;
mowgli_node_t *mnode;
static int mech_start(sasl_session_t *p, char **out, int *out_len);
static int mech_step(sasl_session_t *p, char *message, int len, char **out, int *out_len);
static void mech_finish(sasl_session_t *p);
sasl_mechanism_t mech = {"AUTHCOOKIE", &mech_start, &mech_step, &mech_finish};
void _modinit(module_t *m)
{
MODULE_USE_SYMBOL(mechanisms, "saslserv/main", "sasl_mechanisms");
mnode = mowgli_node_create();
mowgli_node_add(&mech, mnode, mechanisms);
}
void _moddeinit()
{
mowgli_node_delete(mnode, mechanisms);
}
static int mech_start(sasl_session_t *p, char **out, int *out_len)
{
return ASASL_MORE;
}
static int mech_step(sasl_session_t *p, char *message, int len, char **out, int *out_len)
{
char auth[256];
char cookie[256];
myuser_t *mu;
/* Skip the authzid entirely */
len -= strlen(message) + 1;
if(len <= 0)
return ASASL_FAIL;
message += strlen(message) + 1;
/* Copy the authcid */
if(strlen(message) > 255)
return ASASL_FAIL;
len -= strlen(message) + 1;
if(len <= 0)
return ASASL_FAIL;
strcpy(auth, message);
message += strlen(message) + 1;
/* Copy the authcookie */
if(strlen(message) > 255)
return ASASL_FAIL;
strlcpy(cookie, message, len + 1);
/* Done dissecting, now check. */
if(!(mu = myuser_find(auth)))
return ASASL_FAIL;
p->username = strdup(auth);
return authcookie_find(cookie, mu) != NULL ? ASASL_DONE : ASASL_FAIL;
}
static void mech_finish(sasl_session_t *p)
{
}
/* vim:cinoptions=>s,e0,n0,f0,{0,}0,^0,=s,ps,t0,c3,+s,(2s,us,)20,*30,gs,hs
* vim:ts=8
* vim:sw=8
* vim:noexpandtab
*/
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