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path: root/protocols/oscar/admin.c
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#include <aim.h>
#include "admin.h"

/* called for both reply and change-reply */
static int infochange(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{

	/*
	 * struct {
	 *    guint16 perms;
	 *    guint16 tlvcount;
	 *    aim_tlv_t tlvs[tlvcount];
	 *  } admin_info[n];
	 */
	while (aim_bstream_empty(bs)) {
		guint16 perms, tlvcount;

		perms = aimbs_get16(bs);
		tlvcount = aimbs_get16(bs);

		while (tlvcount && aim_bstream_empty(bs)) {
			aim_rxcallback_t userfunc;
			guint16 type, len;
			guint8 *val;
			int str = 0;

			type = aimbs_get16(bs);
			len = aimbs_get16(bs);

			if ((type == 0x0011) || (type == 0x0004))
				str = 1;

			if (str)
				val = (guint8 *)aimbs_getstr(bs, len);
			else
				val = aimbs_getraw(bs, len);

			/* XXX fix so its only called once for the entire packet */
			if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
				userfunc(sess, rx, (snac->subtype == 0x0005) ? 1 : 0, perms, type, len, val, str);

			g_free(val);

			tlvcount--;
		}
	}

	return 1;
}

static int accountconfirm(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
	aim_rxcallback_t userfunc;
	guint16 status;

	status = aimbs_get16(bs);

	if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
		return userfunc(sess, rx, status);

	return 0;
}

static int snachandler(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{

	if ((snac->subtype == 0x0003) || (snac->subtype == 0x0005))
		return infochange(sess, mod, rx, snac, bs);
	else if (snac->subtype == 0x0007)
		return accountconfirm(sess, mod, rx, snac, bs);

	return 0;
}

int admin_modfirst(aim_session_t *sess, aim_module_t *mod)
{

	mod->family = AIM_CB_FAM_ADM;
	mod->version = 0x0001;
	mod->toolid = AIM_TOOL_NEWWIN;
	mod->toolversion = 0x0629; 
	mod->flags = 0;
	strncpy(mod->name, "admin", sizeof(mod->name));
	mod->snachandler = snachandler;

	return 0;
}

int aim_admin_changepasswd(aim_session_t *sess, aim_conn_t *conn, const char *newpw, const char *curpw)
{
	aim_frame_t *tx;
	aim_tlvlist_t *tl = NULL;
	aim_snacid_t snacid;

	if (!(tx = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+4+strlen(curpw)+4+strlen(newpw))))
		return -ENOMEM;

	snacid = aim_cachesnac(sess, 0x0007, 0x0004, 0x0000, NULL, 0);
	aim_putsnac(&tx->data, 0x0007, 0x0004, 0x0000, snacid);

	/* new password TLV t(0002) */
	aim_addtlvtochain_raw(&tl, 0x0002, strlen(newpw), (guint8 *)newpw);

	/* current password TLV t(0012) */
	aim_addtlvtochain_raw(&tl, 0x0012, strlen(curpw), (guint8 *)curpw);

	aim_writetlvchain(&tx->data, &tl);
	aim_freetlvchain(&tl);

	aim_tx_enqueue(sess, tx);

	return 0;
}

/*
 * Request account confirmation. 
 *
 * This will cause an email to be sent to the address associated with
 * the account.  By following the instructions in the mail, you can
 * get the TRIAL flag removed from your account.
 *
 */
int aim_admin_reqconfirm(aim_session_t *sess, aim_conn_t *conn)
{
	return aim_genericreq_n(sess, conn, 0x0007, 0x0006);
}

/*
 * Request a bit of account info.
 *
 * The only known valid tag is 0x0011 (email address).
 *
 */ 
int aim_admin_getinfo(aim_session_t *sess, aim_conn_t *conn, guint16 info)
{
	aim_frame_t *tx;
	aim_snacid_t snacid;

	if (!(tx = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 14)))
		return -ENOMEM;

	snacid = aim_cachesnac(sess, 0x0002, 0x0002, 0x0000, NULL, 0);
	aim_putsnac(&tx->data, 0x0007, 0x0002, 0x0000, snacid);

	aimbs_put16(&tx->data, info);
	aimbs_put16(&tx->data, 0x0000);

	aim_tx_enqueue(sess, tx);

	return 0;
}

int aim_admin_setemail(aim_session_t *sess, aim_conn_t *conn, const char *newemail)
{
	aim_frame_t *tx;
	aim_snacid_t snacid;
	aim_tlvlist_t *tl = NULL;

	if (!(tx = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+2+2+strlen(newemail))))
		return -ENOMEM;

	snacid = aim_cachesnac(sess, 0x0007, 0x0004, 0x0000, NULL, 0);
	aim_putsnac(&tx->data, 0x0007, 0x0004, 0x0000, snacid);

	aim_addtlvtochain_raw(&tl, 0x0011, strlen(newemail), (guint8 *)newemail);
	
	aim_writetlvchain(&tx->data, &tl);
	aim_freetlvchain(&tl);
	
	aim_tx_enqueue(sess, tx);

	return 0;
}

int aim_admin_setnick(aim_session_t *sess, aim_conn_t *conn, const char *newnick)
{
	aim_frame_t *tx;
	aim_snacid_t snacid;
	aim_tlvlist_t *tl = NULL;

	if (!(tx = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+2+2+strlen(newnick))))
		return -ENOMEM;

	snacid = aim_cachesnac(sess, 0x0007, 0x0004, 0x0000, NULL, 0);
	aim_putsnac(&tx->data, 0x0007, 0x0004, 0x0000, snacid);

	aim_addtlvtochain_raw(&tl, 0x0001, strlen(newnick), (guint8 *)newnick);
	
	aim_writetlvchain(&tx->data, &tl);
	aim_freetlvchain(&tl);
	
	aim_tx_enqueue(sess, tx);


	return 0;
}
ass="p">} ret[j] = 0; return ret; } else if( data[i] ) { len = 0; while( data[i+len] && data[i+len] != ',' ) len ++; return g_strndup( data + i, len ); } else { return NULL; } } xt_status sasl_pkt_challenge( struct xt_node *node, gpointer data ) { struct im_connection *ic = data; struct jabber_data *jd = ic->proto_data; struct xt_node *reply = NULL; char *nonce = NULL, *realm = NULL, *cnonce = NULL; unsigned char cnonce_bin[30]; char *digest_uri = NULL; char *dec = NULL; char *s = NULL; xt_status ret = XT_ABORT; if( node->text_len == 0 ) goto error; dec = frombase64( node->text ); if( !( s = sasl_get_part( dec, "rspauth" ) ) ) { /* See RFC 2831 for for information. */ md5_state_t A1, A2, H; md5_byte_t A1r[16], A2r[16], Hr[16]; char A1h[33], A2h[33], Hh[33]; int i; nonce = sasl_get_part( dec, "nonce" ); realm = sasl_get_part( dec, "realm" ); if( !nonce ) goto error; /* Jabber.Org considers the realm part optional and doesn't specify one. Oh well, actually they're right, but still, don't know if this is right... */ if( !realm ) realm = g_strdup( jd->server ); random_bytes( cnonce_bin, sizeof( cnonce_bin ) ); cnonce = base64_encode( cnonce_bin, sizeof( cnonce_bin ) ); digest_uri = g_strdup_printf( "%s/%s", "xmpp", jd->server ); /* Generate the MD5 hash of username:realm:password, I decided to call it H. */ md5_init( &H ); s = g_strdup_printf( "%s:%s:%s", jd->username, realm, ic->acc->pass ); md5_append( &H, (unsigned char *) s, strlen( s ) ); g_free( s ); md5_finish( &H, Hr ); /* Now generate the hex. MD5 hash of H:nonce:cnonce, called A1. */ md5_init( &A1 ); s = g_strdup_printf( ":%s:%s", nonce, cnonce ); md5_append( &A1, Hr, 16 ); md5_append( &A1, (unsigned char *) s, strlen( s ) ); g_free( s ); md5_finish( &A1, A1r ); for( i = 0; i < 16; i ++ ) sprintf( A1h + i * 2, "%02x", A1r[i] ); /* A2... */ md5_init( &A2 ); s = g_strdup_printf( "%s:%s", "AUTHENTICATE", digest_uri ); md5_append( &A2, (unsigned char *) s, strlen( s ) ); g_free( s ); md5_finish( &A2, A2r ); for( i = 0; i < 16; i ++ ) sprintf( A2h + i * 2, "%02x", A2r[i] ); /* Final result: A1:nonce:00000001:cnonce:auth:A2. Let's reuse H for it. */ md5_init( &H ); s = g_strdup_printf( "%s:%s:%s:%s:%s:%s", A1h, nonce, "00000001", cnonce, "auth", A2h ); md5_append( &H, (unsigned char *) s, strlen( s ) ); g_free( s ); md5_finish( &H, Hr ); for( i = 0; i < 16; i ++ ) sprintf( Hh + i * 2, "%02x", Hr[i] ); /* Now build the SASL response string: */ g_free( dec ); dec = g_strdup_printf( "username=\"%s\",realm=\"%s\",nonce=\"%s\",cnonce=\"%s\"," "nc=%08x,qop=auth,digest-uri=\"%s\",response=%s,charset=%s", jd->username, realm, nonce, cnonce, 1, digest_uri, Hh, "utf-8" ); s = tobase64( dec ); } else { /* We found rspauth, but don't really care... */ g_free( s ); s = NULL; } reply = xt_new_node( "response", s, NULL ); xt_add_attr( reply, "xmlns", XMLNS_SASL ); if( !jabber_write_packet( ic, reply ) ) goto silent_error; ret = XT_HANDLED; goto silent_error; error: imcb_error( ic, "Incorrect SASL challenge received" ); imc_logout( ic, FALSE ); silent_error: g_free( digest_uri ); g_free( cnonce ); g_free( nonce ); g_free( realm ); g_free( dec ); g_free( s ); xt_free_node( reply ); return ret; } xt_status sasl_pkt_result( struct xt_node *node, gpointer data ) { struct im_connection *ic = data; struct jabber_data *jd = ic->proto_data; char *s; s = xt_find_attr( node, "xmlns" ); if( !s || strcmp( s, XMLNS_SASL ) != 0 ) { imcb_log( ic, "Stream error while authenticating" ); imc_logout( ic, FALSE ); return XT_ABORT; } if( strcmp( node->name, "success" ) == 0 ) { imcb_log( ic, "Authentication finished" ); jd->flags |= JFLAG_AUTHENTICATED | JFLAG_STREAM_RESTART; } else if( strcmp( node->name, "failure" ) == 0 ) { imcb_error( ic, "Authentication failure" ); imc_logout( ic, FALSE ); return XT_ABORT; } return XT_HANDLED; } /* This one is needed to judge if we'll do authentication using IQ or SASL. It's done by checking if the <stream:stream> from the server has a version attribute. I don't know if this is the right way though... */ gboolean sasl_supported( struct im_connection *ic ) { struct jabber_data *jd = ic->proto_data; return ( jd->xt && jd->xt->root && xt_find_attr( jd->xt->root, "version" ) ) != 0; }