/*
* AUTHENTICATE message
*
* parv[0]: prefix
* parv[1]: data
*/
static int m_authenticate(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
aClient *agent_p = NULL;
/* Failing to use CAP REQ for sasl is a protocol violation. */
if (!SASL_SERVER || !MyConnect(sptr) || BadPtr(parv[1]) || !CHECKPROTO(sptr, PROTO_SASL))
return 0;
if (sptr->sasl_complete)
{
sendto_one(sptr, err_str(ERR_SASLALREADY), me.name, BadPtr(sptr->name) ? "*" : sptr->name);
return 0;
}
if ((parv[1][0] == ':') || strchr(parv[1], ' '))
{
sendto_one(sptr, err_str(ERR_CANNOTDOCOMMAND), me.name, "*", "AUTHENTICATE", "Invalid parameter");
return 0;
}
if (strlen(parv[1]) > 400)
{
sendto_one(sptr, err_str(ERR_SASLTOOLONG), me.name, BadPtr(sptr->name) ? "*" : sptr->name);
return 0;
}
if (*sptr->sasl_agent)
agent_p = find_client(sptr->sasl_agent, NULL);
if (agent_p == NULL)
sendto_serv_butone_token(NULL, me.name, MSG_SASL, TOK_SASL, "%s %s S %s",
SASL_SERVER, encode_puid(sptr), parv[1]);
else
sendto_serv_butone_token(NULL, me.name, MSG_SASL, TOK_SASL, "%s %s C %s", AGENT_SID(agent_p), encode_puid(sptr), parv[1]);
sptr->sasl_out++;
return 0;
}
static int abort_sasl(struct Client *cptr)
{
if (cptr->sasl_out == 0 || cptr->sasl_complete)
return 0;
cptr->sasl_out = cptr->sasl_complete = 0;
sendto_one(cptr, err_str(ERR_SASLABORTED), me.name, BadPtr(cptr->name) ? "*" : cptr->name);
if (*cptr->sasl_agent)
{
aClient *agent_p = find_client(cptr->sasl_agent, NULL);
if (agent_p != NULL)
{
sendto_serv_butone_token(NULL, me.name, MSG_SASL, TOK_SASL, "%s %s D A", AGENT_SID(agent_p), encode_puid(cptr));
return 0;
}
}
sendto_serv_butone_token(NULL, me.name, MSG_SASL, TOK_SASL, "* %s D A", encode_puid(cptr));
return 0;
}
static int abort_sasl(aClient *cptr)
{
if (cptr->local->sasl_out == 0 || cptr->local->sasl_complete)
return 0;
cptr->local->sasl_out = cptr->local->sasl_complete = 0;
sendto_one(cptr, err_str(ERR_SASLABORTED), me.name, BadPtr(cptr->name) ? "*" : cptr->name);
if (*cptr->local->sasl_agent)
{
aClient *agent_p = find_client(cptr->local->sasl_agent, NULL);
if (agent_p != NULL)
{
sendto_server(NULL, 0, 0, ":%s SASL %s %s D A",
me.name, AGENT_SID(agent_p), encode_puid(cptr));
return 0;
}
}
sendto_server(NULL, 0, 0, ":%s SASL * %s D A", me.name, encode_puid(cptr));
return 0;
}