[libfaim.git] / src / info.c

/*
 * aim_info.c
 *
 * The functions here are responsible for requesting and parsing information-
 * gathering SNACs.  Or something like that. 
 *
 */

#define FAIM_INTERNAL
#include <aim.h>

struct aim_priv_inforeq {
	char sn[MAXSNLEN+1];
	fu16_t infotype;
};

faim_export int aim_getinfo(aim_session_t *sess, aim_conn_t *conn, const char *sn, fu16_t infotype)
{
	struct aim_priv_inforeq privdata;
	aim_frame_t *fr;
	aim_snacid_t snacid;

	if (!sess || !conn || !sn)
		return -EINVAL;

	if ((infotype != AIM_GETINFO_GENERALINFO) && (infotype != AIM_GETINFO_AWAYMESSAGE))
		return -EINVAL;

	if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 12+1+strlen(sn))))
		return -ENOMEM;

	strncpy(privdata.sn, sn, sizeof(privdata.sn));
	privdata.infotype = infotype;
	snacid = aim_cachesnac(sess, 0x0002, 0x0005, 0x0000, &privdata, sizeof(struct aim_priv_inforeq));
	
	aim_putsnac(&fr->data, 0x0002, 0x0005, 0x0000, snacid);
	aimbs_put16(&fr->data, infotype);
	aimbs_put8(&fr->data, strlen(sn));
	aimbs_putraw(&fr->data, sn, strlen(sn));

	aim_tx_enqueue(sess, fr);

	return 0;
}

faim_export const char *aim_userinfo_sn(aim_userinfo_t *ui)
{

	if (!ui)
		return NULL;

	return ui->sn;
}

faim_export fu16_t aim_userinfo_flags(aim_userinfo_t *ui)
{

	if (!ui)
		return 0;

	return ui->flags;
}

faim_export fu16_t aim_userinfo_idle(aim_userinfo_t *ui)
{

	if (!ui)
		return 0;

	return ui->idletime;
}

faim_export float aim_userinfo_warnlevel(aim_userinfo_t *ui)
{

	if (!ui)
		return 0.00;

	return (ui->warnlevel / 10);
}

faim_export time_t aim_userinfo_membersince(aim_userinfo_t *ui)
{

	if (!ui)
		return 0;

	return (time_t)ui->membersince;
}

faim_export time_t aim_userinfo_onlinesince(aim_userinfo_t *ui)
{

	if (!ui)
		return 0;

	return (time_t)ui->onlinesince;
}

faim_export fu32_t aim_userinfo_sessionlen(aim_userinfo_t *ui)
{

	if (!ui)
		return 0;

	return ui->sessionlen;
}

faim_export int aim_userinfo_hascap(aim_userinfo_t *ui, fu16_t cap)
{

	if (!ui || !ui->capspresent)
		return -1;

	return !!(ui->capabilities & cap);
}


/*
 * Capability blocks.  
 */
static const struct {
	unsigned short flag;
	unsigned char data[16];
} aim_caps[] = {

	{AIM_CAPS_BUDDYICON,
	 {0x09, 0x46, 0x13, 0x46, 0x4c, 0x7f, 0x11, 0xd1, 
	  0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},

	{AIM_CAPS_VOICE,
	 {0x09, 0x46, 0x13, 0x41, 0x4c, 0x7f, 0x11, 0xd1, 
	  0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},

	{AIM_CAPS_IMIMAGE,
	 {0x09, 0x46, 0x13, 0x45, 0x4c, 0x7f, 0x11, 0xd1, 
	  0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},

	{AIM_CAPS_CHAT,
	 {0x74, 0x8f, 0x24, 0x20, 0x62, 0x87, 0x11, 0xd1, 
	  0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},

	{AIM_CAPS_GETFILE,
	 {0x09, 0x46, 0x13, 0x48, 0x4c, 0x7f, 0x11, 0xd1,
	  0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},

	{AIM_CAPS_SENDFILE,
	 {0x09, 0x46, 0x13, 0x43, 0x4c, 0x7f, 0x11, 0xd1, 
	  0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},

	{AIM_CAPS_SAVESTOCKS,
	 {0x09, 0x46, 0x13, 0x47, 0x4c, 0x7f, 0x11, 0xd1,
	  0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},

	/*
	 * Indeed, there are two of these.  The former appears to be correct, 
	 * but in some versions of winaim, the second one is set.  Either they 
	 * forgot to fix endianness, or they made a typo. It really doesn't 
	 * matter which.
	 */
	{AIM_CAPS_GAMES,
	 {0x09, 0x46, 0x13, 0x4a, 0x4c, 0x7f, 0x11, 0xd1,
	  0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	{AIM_CAPS_GAMES2,
	 {0x09, 0x46, 0x13, 0x4a, 0x4c, 0x7f, 0x11, 0xd1,
	  0x22, 0x82, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},

	{AIM_CAPS_SENDBUDDYLIST,
	 {0x09, 0x46, 0x13, 0x4b, 0x4c, 0x7f, 0x11, 0xd1,
	  0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},

	{AIM_CAPS_LAST}
};

/*
 * This still takes a length parameter even with a bstream because capabilities
 * are not naturally bounded.
 * 
 */
faim_internal fu16_t aim_getcap(aim_session_t *sess, aim_bstream_t *bs, int len)
{
	fu16_t flags = 0;
	int offset;

	for (offset = 0; aim_bstream_empty(bs) && (offset < len); offset += 0x10) {
		fu8_t *cap;
		int i, identified;

		cap = aimbs_getraw(bs, 0x10);

		for (i = 0, identified = 0; !(aim_caps[i].flag & AIM_CAPS_LAST); i++) {

			if (memcmp(&aim_caps[i].data, cap, 0x10) == 0) {
				flags |= aim_caps[i].flag;
				identified++;
				break; /* should only match once... */

			}
		}

		if (!identified)
			faimdprintf(sess, 0, "unknown capability!\n");

		free(cap);
	}

	return flags;
}

faim_internal int aim_putcap(aim_bstream_t *bs, fu16_t caps)
{
	int i;

	if (!bs)
		return -EINVAL;

	for (i = 0; aim_bstream_empty(bs); i++) {

		if (aim_caps[i].flag == AIM_CAPS_LAST)
			break;

		if (caps & aim_caps[i].flag)
			aimbs_putraw(bs, aim_caps[i].data, 0x10);

	}

	return 0;
}

/*
 * AIM is fairly regular about providing user info.  This is a generic 
 * routine to extract it in its standard form.
 */
faim_internal int aim_extractuserinfo(aim_session_t *sess, aim_bstream_t *bs, aim_userinfo_t *outinfo)
{
	int curtlv, tlvcnt;
	fu8_t snlen;

	if (!bs || !outinfo)
		return -EINVAL;

	/* Clear out old data first */
	memset(outinfo, 0x00, sizeof(aim_userinfo_t));

	/*
	 * Screen name.  Stored as an unterminated string prepended with a 
	 * byte containing its length.
	 */
	snlen = aimbs_get8(bs);
	aimbs_getrawbuf(bs, outinfo->sn, snlen);

	/*
	 * Warning Level.  Stored as an unsigned short.
	 */
	outinfo->warnlevel = aimbs_get16(bs);

	/*
	 * TLV Count. Unsigned short representing the number of 
	 * Type-Length-Value triples that follow.
	 */
	tlvcnt = aimbs_get16(bs);

	/* 
	 * Parse out the Type-Length-Value triples as they're found.
	 */
	for (curtlv = 0; curtlv < tlvcnt; curtlv++) {
		int endpos;
		fu16_t type, length;

		type = aimbs_get16(bs);
		length = aimbs_get16(bs);

		endpos = aim_bstream_curpos(bs) + length;

		if (type == 0x0001) {
			/*
			 * Type = 0x0001: User flags
			 * 
			 * Specified as any of the following ORed together:
			 *      0x0001  Trial (user less than 60days)
			 *      0x0002  Unknown bit 2
			 *      0x0004  AOL Main Service user
			 *      0x0008  Unknown bit 4
			 *      0x0010  Free (AIM) user 
			 *      0x0020  Away
			 *      0x0400  ActiveBuddy
			 *
			 */
			outinfo->flags = aimbs_get16(bs);

		} else if (type == 0x0002) {
			/*
			 * Type = 0x0002: Member-Since date. 
			 *
			 * The time/date that the user originally registered for
			 * the service, stored in time_t format.
			 */
			outinfo->membersince = aimbs_get32(bs);

		} else if (type == 0x0003) {
			/*
			 * Type = 0x0003: On-Since date.
			 *
			 * The time/date that the user started their current 
			 * session, stored in time_t format.
			 */
			outinfo->onlinesince = aimbs_get32(bs);

		} else if (type == 0x0004) {
			/*
			 * Type = 0x0004: Idle time.
			 *
			 * Number of seconds since the user actively used the 
			 * service.
			 *
			 * Note that the client tells the server when to start
			 * counting idle times, so this may or may not be 
			 * related to reality.
			 */
			outinfo->idletime = aimbs_get16(bs);

		} else if (type == 0x0006) {
			/*
			 * Type = 0x0006: ICQ Online Status
			 *
			 * ICQ's Away/DND/etc "enriched" status. Some decoding 
			 * of values done by Scott <darkagl@pcnet.com>
			 */
			aimbs_get16(bs);
			outinfo->icqinfo.status = aimbs_get16(bs);

		} else if (type == 0x000a) {
			/*
			 * Type = 0x000a
			 *
			 * ICQ User IP Address.
			 * Ahh, the joy of ICQ security.
			 */
			outinfo->icqinfo.ipaddr = aimbs_get32(bs);

		} else if (type == 0x000c) {
			/* 
			 * Type = 0x000c
			 *
			 * random crap containing the IP address,
			 * apparently a port number, and some Other Stuff.
			 *
			 */
			aimbs_getrawbuf(bs, outinfo->icqinfo.crap, 0x25);

		} else if (type == 0x000d) {
			/*
			 * Type = 0x000d
			 *
			 * Capability information.
			 *
			 */
			outinfo->capabilities = aim_getcap(sess, bs, length);
			outinfo->capspresent = 1;

		} else if (type == 0x000e) {
			/*
			 * Type = 0x000e
			 *
			 * Unknown.  Always of zero length, and always only
			 * on AOL users.
			 *
			 * Ignore.
			 *
			 */

		} else if ((type == 0x000f) || (type == 0x0010)) {
			/*
			 * Type = 0x000f: Session Length. (AIM)
			 * Type = 0x0010: Session Length. (AOL)
			 *
			 * The duration, in seconds, of the user's current 
			 * session.
			 *
			 * Which TLV type this comes in depends on the
			 * service the user is using (AIM or AOL).
			 *
			 */
			outinfo->sessionlen = aimbs_get32(bs);

		} else {

			/*
			 * Reaching here indicates that either AOL has
			 * added yet another TLV for us to deal with, 
			 * or the parsing has gone Terribly Wrong.
			 *
			 * Either way, inform the owner and attempt
			 * recovery.
			 *
			 */
			faimdprintf(sess, 0, "userinfo: **warning: unexpected TLV:\n");
			faimdprintf(sess, 0, "userinfo:   sn    =%s\n", outinfo->sn);
			faimdprintf(sess, 0, "userinfo:   type  =0x%04x\n",type);
			faimdprintf(sess, 0, "userinfo:   length=0x%04x\n", length);

		}

		/* Save ourselves. */
		aim_bstream_setpos(bs, endpos);
	}

	return 0;
}

/*
 * Inverse of aim_extractuserinfo()
 */
faim_internal int aim_putuserinfo(aim_bstream_t *bs, aim_userinfo_t *info)
{
	aim_tlvlist_t *tlvlist = NULL;

	if (!bs || !info)
		return -EINVAL;

	aimbs_put8(bs, strlen(info->sn));
	aimbs_putraw(bs, info->sn, strlen(info->sn));

	aimbs_put16(bs, info->warnlevel);


	aim_addtlvtochain16(&tlvlist, 0x0001, info->flags);
	aim_addtlvtochain32(&tlvlist, 0x0002, info->membersince);
	aim_addtlvtochain32(&tlvlist, 0x0003, info->onlinesince);
	aim_addtlvtochain16(&tlvlist, 0x0004, info->idletime);

#if ICQ_OSCAR_SUPPORT
	if (atoi(info->sn) != 0) {
		aim_addtlvtochain16(&tlvlist, 0x0006, info->icqinfo.status);
		aim_addtlvtochain32(&tlvlist, 0x000a, info->icqinfo.ipaddr);
	}
#endif

	aim_addtlvtochain_caps(&tlvlist, 0x000d, info->capabilities);

	aim_addtlvtochain32(&tlvlist, (fu16_t)((info->flags & AIM_FLAG_AOL) ? 0x0010 : 0x000f), info->sessionlen);

	aimbs_put16(bs, aim_counttlvchain(&tlvlist));
	aim_writetlvchain(bs, &tlvlist);
	aim_freetlvchain(&tlvlist);

	return 0;
}

faim_export int aim_sendbuddyoncoming(aim_session_t *sess, aim_conn_t *conn, aim_userinfo_t *info)
{
	aim_frame_t *fr;
	aim_snacid_t snacid;

	if (!sess || !conn || !info)
		return -EINVAL;

	if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152)))
		return -ENOMEM;

	snacid = aim_cachesnac(sess, 0x0003, 0x000b, 0x0000, NULL, 0);
	
	aim_putsnac(&fr->data, 0x0003, 0x000b, 0x0000, snacid);
	aim_putuserinfo(&fr->data, info);

	aim_tx_enqueue(sess, fr);

	return 0;
}

faim_export int aim_sendbuddyoffgoing(aim_session_t *sess, aim_conn_t *conn, const char *sn)
{
	aim_frame_t *fr;
	aim_snacid_t snacid;

	if (!sess || !conn || !sn)
		return -EINVAL;

	if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+1+strlen(sn))))
		return -ENOMEM;

	snacid = aim_cachesnac(sess, 0x0003, 0x000c, 0x0000, NULL, 0);
	
	aim_putsnac(&fr->data, 0x0003, 0x000c, 0x0000, snacid);
	aimbs_put8(&fr->data, strlen(sn));
	aimbs_putraw(&fr->data, sn, strlen(sn));

	aim_tx_enqueue(sess, fr);

	return 0;
}

/*
 * Huh? What is this?
 */
faim_export int aim_0002_000b(aim_session_t *sess, aim_conn_t *conn, const char *sn)
{
	aim_frame_t *fr;
	aim_snacid_t snacid;

	if (!sess || !conn || !sn)
		return -EINVAL;

	if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+1+strlen(sn))))
		return -ENOMEM;

	snacid = aim_cachesnac(sess, 0x0002, 0x000b, 0x0000, NULL, 0);
	
	aim_putsnac(&fr->data, 0x0002, 0x000b, 0x0000, snacid);
	aimbs_put8(&fr->data, strlen(sn));
	aimbs_putraw(&fr->data, sn, strlen(sn));

	aim_tx_enqueue(sess, fr);

	return 0;
}

/*
 * Normally contains:
 *   t(0001)  - short containing max profile length (value = 1024)
 *   t(0002)  - short - unknown (value = 16) [max MIME type length?]
 *   t(0003)  - short - unknown (value = 10)
 */
static int rights(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
	aim_tlvlist_t *tlvlist;
	aim_rxcallback_t userfunc;
	int ret = 0;
	fu16_t maxsiglen = 0;

	tlvlist = aim_readtlvchain(bs);

	if (aim_gettlv(tlvlist, 0x0001, 1))
		maxsiglen = aim_gettlv16(tlvlist, 0x0001, 1);

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

	aim_freetlvchain(&tlvlist);

	return ret;
}

static int userinfo(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs)
{
	aim_userinfo_t userinfo;
	char *text_encoding = NULL, *text = NULL;
	aim_rxcallback_t userfunc;
	aim_tlvlist_t *tlvlist;
	aim_snac_t *origsnac = NULL;
	struct aim_priv_inforeq *inforeq;
	int ret = 0;

	origsnac = aim_remsnac(sess, snac->id);

	if (!origsnac || !origsnac->data) {
		faimdprintf(sess, 0, "parse_userinfo_middle: major problem: no snac stored!\n");
		return 0;
	}

	inforeq = (struct aim_priv_inforeq *)origsnac->data;

	if ((inforeq->infotype != AIM_GETINFO_GENERALINFO) &&
			(inforeq->infotype != AIM_GETINFO_AWAYMESSAGE)) {
		faimdprintf(sess, 0, "parse_userinfo_middle: unknown infotype in request! (0x%04x)\n", inforeq->infotype);
		return 0;
	}

	aim_extractuserinfo(sess, bs, &userinfo);

	tlvlist = aim_readtlvchain(bs);

	/* 
	 * Depending on what informational text was requested, different
	 * TLVs will appear here.
	 *
	 * Profile will be 1 and 2, away message will be 3 and 4.
	 */
	if (aim_gettlv(tlvlist, 0x0001, 1)) {
		text_encoding = aim_gettlv_str(tlvlist, 0x0001, 1);
		text = aim_gettlv_str(tlvlist, 0x0002, 1);
	} else if (aim_gettlv(tlvlist, 0x0003, 1)) {
		text_encoding = aim_gettlv_str(tlvlist, 0x0003, 1);
		text = aim_gettlv_str(tlvlist, 0x0004, 1);
	}

	if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
		ret = userfunc(sess, rx, &userinfo, text_encoding, text, inforeq->infotype);

	free(text_encoding);
	free(text);

	aim_freetlvchain(&tlvlist);

	if (origsnac)
		free(origsnac->data);
	free(origsnac);

	return ret;
}

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)
		return rights(sess, mod, rx, snac, bs);
	else if (snac->subtype == 0x0006)
		return userinfo(sess, mod, rx, snac, bs);

	return 0;
}

faim_internal int locate_modfirst(aim_session_t *sess, aim_module_t *mod)
{

	mod->family = 0x0002;
	mod->version = 0x0000;
	mod->flags = 0;
	strncpy(mod->name, "locate", sizeof(mod->name));
	mod->snachandler = snachandler;

	return 0;
}
Commit	Line	Data
9de3ca7e	1	/*
	2	* aim_info.c
	3	*
	4	* The functions here are responsible for requesting and parsing information-
d410cf58	5	* gathering SNACs. Or something like that.
9de3ca7e	6	*
	7	*/
	8
37ee990e	9	#define FAIM_INTERNAL
dd60ff8b	10	#include <aim.h>
9de3ca7e	11
262272cc	12	struct aim_priv_inforeq {
d410cf58	13	char sn[MAXSNLEN+1];
d410cf58	14	fu16_t infotype;
262272cc	15	};
262272cc	16
d410cf58	17	faim_export int aim_getinfo(aim_session_t sess, aim_conn_t conn, const char *sn, fu16_t infotype)
9de3ca7e	18	{
d410cf58	19	struct aim_priv_inforeq privdata;
	20	aim_frame_t *fr;
	21	aim_snacid_t snacid;
276495a3	22
d410cf58	23	if (!sess \|\| !conn \|\| !sn)
d410cf58	24	return -EINVAL;
00ef5271	25
d410cf58	26	if ((infotype != AIM_GETINFO_GENERALINFO) && (infotype != AIM_GETINFO_AWAYMESSAGE))
d410cf58	27	return -EINVAL;
9de3ca7e	28
d410cf58	29	if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 12+1+strlen(sn))))
d410cf58	30	return -ENOMEM;
9de3ca7e	31
d410cf58	32	strncpy(privdata.sn, sn, sizeof(privdata.sn));
	33	privdata.infotype = infotype;
	34	snacid = aim_cachesnac(sess, 0x0002, 0x0005, 0x0000, &privdata, sizeof(struct aim_priv_inforeq));
	35
	36	aim_putsnac(&fr->data, 0x0002, 0x0005, 0x0000, snacid);
	37	aimbs_put16(&fr->data, infotype);
	38	aimbs_put8(&fr->data, strlen(sn));
	39	aimbs_putraw(&fr->data, sn, strlen(sn));
9de3ca7e	40
d410cf58	41	aim_tx_enqueue(sess, fr);
9de3ca7e	42
d410cf58	43	return 0;
96f8b1ed	44	}
5b79dc93	45
7b0bc7f2	46	faim_export const char aim_userinfo_sn(aim_userinfo_t ui)
	47	{
	48
	49	if (!ui)
	50	return NULL;
	51
	52	return ui->sn;
	53	}
	54
	55	faim_export fu16_t aim_userinfo_flags(aim_userinfo_t *ui)
	56	{
	57
	58	if (!ui)
	59	return 0;
	60
	61	return ui->flags;
	62	}
	63
	64	faim_export fu16_t aim_userinfo_idle(aim_userinfo_t *ui)
	65	{
	66
	67	if (!ui)
	68	return 0;
	69
	70	return ui->idletime;
	71	}
	72
	73	faim_export float aim_userinfo_warnlevel(aim_userinfo_t *ui)
	74	{
	75
	76	if (!ui)
	77	return 0.00;
	78
	79	return (ui->warnlevel / 10);
	80	}
	81
	82	faim_export time_t aim_userinfo_membersince(aim_userinfo_t *ui)
	83	{
	84
	85	if (!ui)
	86	return 0;
	87
	88	return (time_t)ui->membersince;
	89	}
	90
	91	faim_export time_t aim_userinfo_onlinesince(aim_userinfo_t *ui)
	92	{
	93
	94	if (!ui)
	95	return 0;
	96
	97	return (time_t)ui->onlinesince;
	98	}
	99
	100	faim_export fu32_t aim_userinfo_sessionlen(aim_userinfo_t *ui)
	101	{
	102
	103	if (!ui)
	104	return 0;
	105
	106	return ui->sessionlen;
	107	}
	108
	109	faim_export int aim_userinfo_hascap(aim_userinfo_t *ui, fu16_t cap)
110	{
111
112	if (!ui \|\| !ui->capspresent)
113	return -1;
114
115	return !!(ui->capabilities & cap);
116	}
117
118
5b79dc93	119	/*
	120	* Capability blocks.
	121	*/
f7bb124a	122	static const struct {
d410cf58	123	unsigned short flag;
d410cf58	124	unsigned char data[16];
f7bb124a	125	} aim_caps[] = {
d410cf58	126
	127	{AIM_CAPS_BUDDYICON,
	128	{0x09, 0x46, 0x13, 0x46, 0x4c, 0x7f, 0x11, 0xd1,
	129	0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	130
	131	{AIM_CAPS_VOICE,
	132	{0x09, 0x46, 0x13, 0x41, 0x4c, 0x7f, 0x11, 0xd1,
	133	0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	134
	135	{AIM_CAPS_IMIMAGE,
	136	{0x09, 0x46, 0x13, 0x45, 0x4c, 0x7f, 0x11, 0xd1,
	137	0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	138
	139	{AIM_CAPS_CHAT,
	140	{0x74, 0x8f, 0x24, 0x20, 0x62, 0x87, 0x11, 0xd1,
	141	0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	142
	143	{AIM_CAPS_GETFILE,
	144	{0x09, 0x46, 0x13, 0x48, 0x4c, 0x7f, 0x11, 0xd1,
	145	0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	146
	147	{AIM_CAPS_SENDFILE,
	148	{0x09, 0x46, 0x13, 0x43, 0x4c, 0x7f, 0x11, 0xd1,
	149	0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	150
	151	{AIM_CAPS_SAVESTOCKS,
	152	{0x09, 0x46, 0x13, 0x47, 0x4c, 0x7f, 0x11, 0xd1,
	153	0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	154
	155	/*
	156	* Indeed, there are two of these. The former appears to be correct,
	157	* but in some versions of winaim, the second one is set. Either they
	158	* forgot to fix endianness, or they made a typo. It really doesn't
	159	* matter which.
	160	*/
	161	{AIM_CAPS_GAMES,
	162	{0x09, 0x46, 0x13, 0x4a, 0x4c, 0x7f, 0x11, 0xd1,
	163	0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	164	{AIM_CAPS_GAMES2,
	165	{0x09, 0x46, 0x13, 0x4a, 0x4c, 0x7f, 0x11, 0xd1,
	166	0x22, 0x82, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	167
	168	{AIM_CAPS_SENDBUDDYLIST,
	169	{0x09, 0x46, 0x13, 0x4b, 0x4c, 0x7f, 0x11, 0xd1,
	170	0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}},
	171
	172	{AIM_CAPS_LAST}
5b79dc93	173	};
5b79dc93	174
d410cf58	175	/*
	176	* This still takes a length parameter even with a bstream because capabilities
	177	* are not naturally bounded.
	178	*
	179	*/
	180	faim_internal fu16_t aim_getcap(aim_session_t sess, aim_bstream_t bs, int len)
b69540e3	181	{
d410cf58	182	fu16_t flags = 0;
	183	int offset;
	184
	185	for (offset = 0; aim_bstream_empty(bs) && (offset < len); offset += 0x10) {
	186	fu8_t *cap;
	187	int i, identified;
b69540e3	188
d410cf58	189	cap = aimbs_getraw(bs, 0x10);
f7bb124a	190
d410cf58	191	for (i = 0, identified = 0; !(aim_caps[i].flag & AIM_CAPS_LAST); i++) {
f7bb124a	192
d410cf58	193	if (memcmp(&aim_caps[i].data, cap, 0x10) == 0) {
	194	flags \|= aim_caps[i].flag;
	195	identified++;
	196	break; /* should only match once... */
f7bb124a	197
d410cf58	198	}
d410cf58	199	}
f7bb124a	200
d410cf58	201	if (!identified)
d410cf58	202	faimdprintf(sess, 0, "unknown capability!\n");
0589dc54	203
d410cf58	204	free(cap);
d410cf58	205	}
f7bb124a	206
d410cf58	207	return flags;
b69540e3	208	}
b69540e3	209
d410cf58	210	faim_internal int aim_putcap(aim_bstream_t *bs, fu16_t caps)
b69540e3	211	{
d410cf58	212	int i;
b69540e3	213
d410cf58	214	if (!bs)
d410cf58	215	return -EINVAL;
f7bb124a	216
d410cf58	217	for (i = 0; aim_bstream_empty(bs); i++) {
f7bb124a	218
d410cf58	219	if (aim_caps[i].flag == AIM_CAPS_LAST)
d410cf58	220	break;
b69540e3	221
d410cf58	222	if (caps & aim_caps[i].flag)
d410cf58	223	aimbs_putraw(bs, aim_caps[i].data, 0x10);
b69540e3	224
d410cf58	225	}
	226
	227	return 0;
b69540e3	228	}
b69540e3	229
9de3ca7e	230	/*
d410cf58	231	* AIM is fairly regular about providing user info. This is a generic
d410cf58	232	* routine to extract it in its standard form.
9de3ca7e	233	*/
7b0bc7f2	234	faim_internal int aim_extractuserinfo(aim_session_t sess, aim_bstream_t bs, aim_userinfo_t *outinfo)
9de3ca7e	235	{
d410cf58	236	int curtlv, tlvcnt;
	237	fu8_t snlen;
	238
	239	if (!bs \|\| !outinfo)
	240	return -EINVAL;
	241
	242	/* Clear out old data first */
7b0bc7f2	243	memset(outinfo, 0x00, sizeof(aim_userinfo_t));
d410cf58	244
	245	/*
	246	* Screen name. Stored as an unterminated string prepended with a
	247	* byte containing its length.
	248	*/
	249	snlen = aimbs_get8(bs);
	250	aimbs_getrawbuf(bs, outinfo->sn, snlen);
	251
	252	/*
	253	* Warning Level. Stored as an unsigned short.
	254	*/
	255	outinfo->warnlevel = aimbs_get16(bs);
	256
	257	/*
	258	* TLV Count. Unsigned short representing the number of
	259	* Type-Length-Value triples that follow.
	260	*/
	261	tlvcnt = aimbs_get16(bs);
	262
	263	/*
	264	* Parse out the Type-Length-Value triples as they're found.
	265	*/
	266	for (curtlv = 0; curtlv < tlvcnt; curtlv++) {
	267	int endpos;
	268	fu16_t type, length;
	269
	270	type = aimbs_get16(bs);
	271	length = aimbs_get16(bs);
	272
	273	endpos = aim_bstream_curpos(bs) + length;
	274
	275	if (type == 0x0001) {
	276	/*
	277	* Type = 0x0001: User flags
	278	*
	279	* Specified as any of the following ORed together:
	280	* 0x0001 Trial (user less than 60days)
	281	* 0x0002 Unknown bit 2
	282	* 0x0004 AOL Main Service user
	283	* 0x0008 Unknown bit 4
	284	* 0x0010 Free (AIM) user
	285	* 0x0020 Away
25aaf30e	286	* 0x0400 ActiveBuddy
d410cf58	287	*
	288	*/
	289	outinfo->flags = aimbs_get16(bs);
	290
	291	} else if (type == 0x0002) {
	292	/*
	293	* Type = 0x0002: Member-Since date.
	294	*
	295	* The time/date that the user originally registered for
	296	* the service, stored in time_t format.
	297	*/
	298	outinfo->membersince = aimbs_get32(bs);
	299
	300	} else if (type == 0x0003) {
	301	/*
	302	* Type = 0x0003: On-Since date.
	303	*
	304	* The time/date that the user started their current
	305	* session, stored in time_t format.
	306	*/
	307	outinfo->onlinesince = aimbs_get32(bs);
	308
	309	} else if (type == 0x0004) {
	310	/*
	311	* Type = 0x0004: Idle time.
	312	*
	313	* Number of seconds since the user actively used the
	314	* service.
	315	*
	316	* Note that the client tells the server when to start
	317	* counting idle times, so this may or may not be
	318	* related to reality.
	319	*/
	320	outinfo->idletime = aimbs_get16(bs);
	321
	322	} else if (type == 0x0006) {
	323	/*
	324	* Type = 0x0006: ICQ Online Status
	325	*
	326	* ICQ's Away/DND/etc "enriched" status. Some decoding
	327	* of values done by Scott <darkagl@pcnet.com>
	328	*/
	329	aimbs_get16(bs);
	330	outinfo->icqinfo.status = aimbs_get16(bs);
	331
	332	} else if (type == 0x000a) {
	333	/*
	334	* Type = 0x000a
	335	*
	336	* ICQ User IP Address.
	337	* Ahh, the joy of ICQ security.
	338	*/
	339	outinfo->icqinfo.ipaddr = aimbs_get32(bs);
	340
	341	} else if (type == 0x000c) {
	342	/*
	343	* Type = 0x000c
	344	*
	345	* random crap containing the IP address,
	346	* apparently a port number, and some Other Stuff.
	347	*
	348	*/
	349	aimbs_getrawbuf(bs, outinfo->icqinfo.crap, 0x25);
	350
351	} else if (type == 0x000d) {
352	/*
353	* Type = 0x000d
354	*
355	* Capability information.
356	*
357	*/
358	outinfo->capabilities = aim_getcap(sess, bs, length);
7b0bc7f2	359	outinfo->capspresent = 1;
d410cf58	360
	361	} else if (type == 0x000e) {
	362	/*
	363	* Type = 0x000e
	364	*
	365	* Unknown. Always of zero length, and always only
	366	* on AOL users.
	367	*
	368	* Ignore.
	369	*
	370	*/
	371
	372	} else if ((type == 0x000f) \|\| (type == 0x0010)) {
	373	/*
	374	* Type = 0x000f: Session Length. (AIM)
	375	* Type = 0x0010: Session Length. (AOL)
	376	*
	377	* The duration, in seconds, of the user's current
	378	* session.
	379	*
	380	* Which TLV type this comes in depends on the
	381	* service the user is using (AIM or AOL).
	382	*
	383	*/
	384	outinfo->sessionlen = aimbs_get32(bs);
	385
	386	} else {
	387
	388	/*
	389	* Reaching here indicates that either AOL has
	390	* added yet another TLV for us to deal with,
	391	* or the parsing has gone Terribly Wrong.
	392	*
	393	* Either way, inform the owner and attempt
	394	* recovery.
	395	*
	396	*/
	397	faimdprintf(sess, 0, "userinfo: **warning: unexpected TLV:\n");
	398	faimdprintf(sess, 0, "userinfo: sn =%s\n", outinfo->sn);
	399	faimdprintf(sess, 0, "userinfo: type =0x%04x\n",type);
	400	faimdprintf(sess, 0, "userinfo: length=0x%04x\n", length);
	401
	402	}
	403
	404	/* Save ourselves. */
	405	aim_bstream_setpos(bs, endpos);
	406	}
	407
	408	return 0;
9de3ca7e	409	}
9de3ca7e	410
50443ea0	411	/*
	412	* Inverse of aim_extractuserinfo()
	413	*/
7b0bc7f2	414	faim_internal int aim_putuserinfo(aim_bstream_t bs, aim_userinfo_t info)
50443ea0	415	{
d410cf58	416	aim_tlvlist_t *tlvlist = NULL;
50443ea0	417
d410cf58	418	if (!bs \|\| !info)
d410cf58	419	return -EINVAL;
50443ea0	420
d410cf58	421	aimbs_put8(bs, strlen(info->sn));
d410cf58	422	aimbs_putraw(bs, info->sn, strlen(info->sn));
50443ea0	423
d410cf58	424	aimbs_put16(bs, info->warnlevel);
50443ea0	425
9c38f1a7	426
d410cf58	427	aim_addtlvtochain16(&tlvlist, 0x0001, info->flags);
	428	aim_addtlvtochain32(&tlvlist, 0x0002, info->membersince);
	429	aim_addtlvtochain32(&tlvlist, 0x0003, info->onlinesince);
	430	aim_addtlvtochain16(&tlvlist, 0x0004, info->idletime);
3b101546	431
3b101546	432	#if ICQ_OSCAR_SUPPORT
d410cf58	433	if (atoi(info->sn) != 0) {
	434	aim_addtlvtochain16(&tlvlist, 0x0006, info->icqinfo.status);
	435	aim_addtlvtochain32(&tlvlist, 0x000a, info->icqinfo.ipaddr);
	436	}
3b101546	437	#endif
3b101546	438
d410cf58	439	aim_addtlvtochain_caps(&tlvlist, 0x000d, info->capabilities);
3b101546	440
d410cf58	441	aim_addtlvtochain32(&tlvlist, (fu16_t)((info->flags & AIM_FLAG_AOL) ? 0x0010 : 0x000f), info->sessionlen);
3b101546	442
d410cf58	443	aimbs_put16(bs, aim_counttlvchain(&tlvlist));
	444	aim_writetlvchain(bs, &tlvlist);
	445	aim_freetlvchain(&tlvlist);
3b101546	446
d410cf58	447	return 0;
50443ea0	448	}
50443ea0	449
7b0bc7f2	450	faim_export int aim_sendbuddyoncoming(aim_session_t sess, aim_conn_t conn, aim_userinfo_t *info)
50443ea0	451	{
d410cf58	452	aim_frame_t *fr;
d410cf58	453	aim_snacid_t snacid;
50443ea0	454
d410cf58	455	if (!sess \|\| !conn \|\| !info)
d410cf58	456	return -EINVAL;
50443ea0	457
d410cf58	458	if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152)))
d410cf58	459	return -ENOMEM;
50443ea0	460
d410cf58	461	snacid = aim_cachesnac(sess, 0x0003, 0x000b, 0x0000, NULL, 0);
	462
	463	aim_putsnac(&fr->data, 0x0003, 0x000b, 0x0000, snacid);
	464	aim_putuserinfo(&fr->data, info);
50443ea0	465
d410cf58	466	aim_tx_enqueue(sess, fr);
50443ea0	467
d410cf58	468	return 0;
50443ea0	469	}
50443ea0	470
d410cf58	471	faim_export int aim_sendbuddyoffgoing(aim_session_t sess, aim_conn_t conn, const char *sn)
50443ea0	472	{
d410cf58	473	aim_frame_t *fr;
d410cf58	474	aim_snacid_t snacid;
50443ea0	475
d410cf58	476	if (!sess \|\| !conn \|\| !sn)
d410cf58	477	return -EINVAL;
50443ea0	478
d410cf58	479	if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+1+strlen(sn))))
d410cf58	480	return -ENOMEM;
50443ea0	481
d410cf58	482	snacid = aim_cachesnac(sess, 0x0003, 0x000c, 0x0000, NULL, 0);
	483
	484	aim_putsnac(&fr->data, 0x0003, 0x000c, 0x0000, snacid);
	485	aimbs_put8(&fr->data, strlen(sn));
	486	aimbs_putraw(&fr->data, sn, strlen(sn));
50443ea0	487
d410cf58	488	aim_tx_enqueue(sess, fr);
50443ea0	489
d410cf58	490	return 0;
50443ea0	491	}
262272cc	492
d410cf58	493	/*
	494	* Huh? What is this?
	495	*/
	496	faim_export int aim_0002_000b(aim_session_t sess, aim_conn_t conn, const char *sn)
e80a0fa9	497	{
d410cf58	498	aim_frame_t *fr;
d410cf58	499	aim_snacid_t snacid;
e80a0fa9	500
d410cf58	501	if (!sess \|\| !conn \|\| !sn)
d410cf58	502	return -EINVAL;
e80a0fa9	503
d410cf58	504	if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 10+1+strlen(sn))))
d410cf58	505	return -ENOMEM;
e80a0fa9	506
d410cf58	507	snacid = aim_cachesnac(sess, 0x0002, 0x000b, 0x0000, NULL, 0);
	508
	509	aim_putsnac(&fr->data, 0x0002, 0x000b, 0x0000, snacid);
	510	aimbs_put8(&fr->data, strlen(sn));
	511	aimbs_putraw(&fr->data, sn, strlen(sn));
e80a0fa9	512
d410cf58	513	aim_tx_enqueue(sess, fr);
e80a0fa9	514
d410cf58	515	return 0;
e80a0fa9	516	}
e80a0fa9	517
b39e0a91	518	/*
	519	* Normally contains:
	520	* t(0001) - short containing max profile length (value = 1024)
	521	* t(0002) - short - unknown (value = 16) [max MIME type length?]
25aaf30e	522	* t(0003) - short - unknown (value = 10)
b39e0a91	523	*/
d410cf58	524	static int rights(aim_session_t sess, aim_module_t mod, aim_frame_t rx, aim_modsnac_t snac, aim_bstream_t *bs)
00ef5271	525	{
d410cf58	526	aim_tlvlist_t *tlvlist;
0867959e	527	aim_rxcallback_t userfunc;
0867959e	528	int ret = 0;
d410cf58	529	fu16_t maxsiglen = 0;
b39e0a91	530
d410cf58	531	tlvlist = aim_readtlvchain(bs);
00ef5271	532
0867959e	533	if (aim_gettlv(tlvlist, 0x0001, 1))
0867959e	534	maxsiglen = aim_gettlv16(tlvlist, 0x0001, 1);
00ef5271	535
0867959e	536	if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
0867959e	537	ret = userfunc(sess, rx, maxsiglen);
b39e0a91	538
0867959e	539	aim_freetlvchain(&tlvlist);
00ef5271	540
0867959e	541	return ret;
00ef5271	542	}
00ef5271	543
d410cf58	544	static int userinfo(aim_session_t sess, aim_module_t mod, aim_frame_t rx, aim_modsnac_t snac, aim_bstream_t *bs)
00ef5271	545	{
7b0bc7f2	546	aim_userinfo_t userinfo;
d410cf58	547	char text_encoding = NULL, text = NULL;
	548	aim_rxcallback_t userfunc;
	549	aim_tlvlist_t *tlvlist;
	550	aim_snac_t *origsnac = NULL;
	551	struct aim_priv_inforeq *inforeq;
	552	int ret = 0;
	553
	554	origsnac = aim_remsnac(sess, snac->id);
	555
	556	if (!origsnac \|\| !origsnac->data) {
	557	faimdprintf(sess, 0, "parse_userinfo_middle: major problem: no snac stored!\n");
	558	return 0;
	559	}
	560
	561	inforeq = (struct aim_priv_inforeq *)origsnac->data;
	562
	563	if ((inforeq->infotype != AIM_GETINFO_GENERALINFO) &&
	564	(inforeq->infotype != AIM_GETINFO_AWAYMESSAGE)) {
	565	faimdprintf(sess, 0, "parse_userinfo_middle: unknown infotype in request! (0x%04x)\n", inforeq->infotype);
	566	return 0;
	567	}
	568
	569	aim_extractuserinfo(sess, bs, &userinfo);
	570
	571	tlvlist = aim_readtlvchain(bs);
	572
	573	/*
	574	* Depending on what informational text was requested, different
	575	* TLVs will appear here.
	576	*
	577	* Profile will be 1 and 2, away message will be 3 and 4.
	578	*/
	579	if (aim_gettlv(tlvlist, 0x0001, 1)) {
	580	text_encoding = aim_gettlv_str(tlvlist, 0x0001, 1);
	581	text = aim_gettlv_str(tlvlist, 0x0002, 1);
	582	} else if (aim_gettlv(tlvlist, 0x0003, 1)) {
	583	text_encoding = aim_gettlv_str(tlvlist, 0x0003, 1);
	584	text = aim_gettlv_str(tlvlist, 0x0004, 1);
	585	}
	586
	587	if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype)))
	588	ret = userfunc(sess, rx, &userinfo, text_encoding, text, inforeq->infotype);
	589
	590	free(text_encoding);
	591	free(text);
	592
	593	aim_freetlvchain(&tlvlist);
	594
	595	if (origsnac)
	596	free(origsnac->data);
	597	free(origsnac);
	598
	599	return ret;
00ef5271	600	}
00ef5271	601
d410cf58	602	static int snachandler(aim_session_t sess, aim_module_t mod, aim_frame_t rx, aim_modsnac_t snac, aim_bstream_t *bs)
00ef5271	603	{
00ef5271	604
d410cf58	605	if (snac->subtype == 0x0003)
	606	return rights(sess, mod, rx, snac, bs);
	607	else if (snac->subtype == 0x0006)
	608	return userinfo(sess, mod, rx, snac, bs);
00ef5271	609
d410cf58	610	return 0;
00ef5271	611	}
00ef5271	612
d410cf58	613	faim_internal int locate_modfirst(aim_session_t sess, aim_module_t mod)
00ef5271	614	{
00ef5271	615
d410cf58	616	mod->family = 0x0002;
	617	mod->version = 0x0000;
	618	mod->flags = 0;
	619	strncpy(mod->name, "locate", sizeof(mod->name));
	620	mod->snachandler = snachandler;
00ef5271	621
d410cf58	622	return 0;
00ef5271	623	}