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sasl: implement support for distributing mechlists

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This commit is contained in:
William Pitcock 2016-02-28 01:02:10 -06:00
parent df06f4c920
commit da3e5fcb42
1 changed files with 25 additions and 2 deletions
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27
modules/m_sasl.c
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@ -45,6 +45,7 @@
static int m_authenticate(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static int me_sasl(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static int me_mechlist(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void abort_sasl(struct Client *);
static void abort_sasl_exit(hook_data_client_exit *);
@ -52,7 +53,8 @@ static void abort_sasl_exit(hook_data_client_exit *);
static void advertise_sasl(struct Client *);
static void advertise_sasl_exit(hook_data_client_exit *);
unsigned int CLICAP_SASL = 0;
static unsigned int CLICAP_SASL = 0;
static char mechlist_buf[BUFSIZE];
struct Message authenticate_msgtab = {
"AUTHENTICATE", 0, 0, 0, 0,
@ -62,9 +64,13 @@ struct Message sasl_msgtab = {
"SASL", 0, 0, 0, 0,
{mg_ignore, mg_ignore, mg_ignore, mg_ignore, {me_sasl, 5}, mg_ignore}
};
struct Message mechlist_msgtab = {
"MECHLIST", 0, 0, 0, 0,
{mg_ignore, mg_ignore, mg_ignore, mg_ignore, {me_mechlist, 2}, mg_ignore}
};
mapi_clist_av1 sasl_clist[] = {
&authenticate_msgtab, &sasl_msgtab, NULL
&authenticate_msgtab, &sasl_msgtab, &mechlist_msgtab, NULL
};
mapi_hfn_list_av1 sasl_hfnlist[] = {
{ "new_local_user", (hookfn) abort_sasl },
@ -85,14 +91,22 @@ sasl_visible(void)
return agent_p != NULL && IsService(agent_p);
}
static const char *
sasl_data(void)
{
return *mechlist_buf != 0 ? mechlist_buf : NULL;
}
static struct ClientCapability capdata_sasl = {
.visible = sasl_visible,
.data = sasl_data,
.flags = CLICAP_FLAGS_STICKY,
};
static int
_modinit(void)
{
memset(mechlist_buf, 0, sizeof mechlist_buf);
CLICAP_SASL = capability_put(cli_capindex, "sasl", &capdata_sasl);
return 0;
}
@ -229,6 +243,15 @@ me_sasl(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_
return 0;
}
static int
me_mechlist(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p,
int parc, const char *parv[])
{
rb_strlcpy(mechlist_buf, parv[1], sizeof mechlist_buf);
return 0;
}
/* If the client never finished authenticating but is
* registering anyway, abort the exchange.
*/