Annotation of ChivanetAimPidgin/oscarprpl/src/c/family_bart.c, revision 1.1.1.1
1.1 snw 1: /*
2: * Purple's oscar protocol plugin
3: * This file is the legal property of its developers.
4: * Please see the AUTHORS file distributed alongside this file.
5: *
6: * This library is free software; you can redistribute it and/or
7: * modify it under the terms of the GNU Lesser General Public
8: * License as published by the Free Software Foundation; either
9: * version 2 of the License, or (at your option) any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
19: */
20:
21: /*
22: * Family 0x0010 - Server stored buddy art
23: *
24: * Used for storing and retrieving your cute little buddy icon
25: * from the AIM servers.
26: *
27: */
28:
29: #include "oscar.h"
30:
31: /**
32: * Subtype 0x0002 - Upload your icon.
33: *
34: * @param od The oscar session.
35: * @param icon The raw data of the icon image file.
36: * @param iconlen Length of the raw data of the icon image file.
37: * @return Return 0 if no errors, otherwise return the error number.
38: */
39: int
40: aim_bart_upload(OscarData *od, const guint8 *icon, guint16 iconlen)
41: {
42: FlapConnection *conn;
43: ByteStream bs;
44: aim_snacid_t snacid;
45:
46: if (!od || !(conn = flap_connection_findbygroup(od, SNAC_FAMILY_BART)) || !icon || !iconlen)
47: return -EINVAL;
48:
49: byte_stream_new(&bs, 2 + 2 + iconlen);
50:
51: /* The reference number for the icon */
52: byte_stream_put16(&bs, 1);
53:
54: /* The icon */
55: byte_stream_put16(&bs, iconlen);
56: byte_stream_putraw(&bs, icon, iconlen);
57:
58: snacid = aim_cachesnac(od, SNAC_FAMILY_BART, 0x0002, 0x0000, NULL, 0);
59: flap_connection_send_snac(od, conn, SNAC_FAMILY_BART, 0x0002, snacid, &bs);
60:
61: byte_stream_destroy(&bs);
62:
63: return 0;
64: }
65:
66: /**
67: * Subtype 0x0003 - Acknowledgement for uploading a buddy icon.
68: *
69: * You get this honky after you upload a buddy icon.
70: */
71: static int
72: uploadack(OscarData *od, FlapConnection *conn, aim_module_t *mod, FlapFrame *frame, aim_modsnac_t *snac, ByteStream *bs)
73: {
74: int ret = 0;
75: aim_rxcallback_t userfunc;
76:
77: byte_stream_get16(bs);
78: byte_stream_get16(bs);
79: byte_stream_get8(bs);
80:
81: if ((userfunc = aim_callhandler(od, snac->family, snac->subtype)))
82: ret = userfunc(od, conn, frame);
83:
84: return ret;
85: }
86:
87: /**
88: * Subtype 0x0004 - Request someone's icon.
89: *
90: * @param od The oscar session.
91: * @param bn The name of the buddy whose icon you are requesting.
92: * @param iconcsum The MD5 checksum of the icon you are requesting.
93: * @param iconcsumlen Length of the MD5 checksum given above. Should be 10 bytes.
94: * @return Return 0 if no errors, otherwise return the error number.
95: */
96: int
97: aim_bart_request(OscarData *od, const char *bn, guint8 iconcsumtype, const guint8 *iconcsum, guint16 iconcsumlen)
98: {
99: FlapConnection *conn;
100: ByteStream bs;
101: aim_snacid_t snacid;
102:
103: if (!od || !(conn = flap_connection_findbygroup(od, SNAC_FAMILY_BART)) || !bn || !strlen(bn) || !iconcsum || !iconcsumlen)
104: return -EINVAL;
105:
106: byte_stream_new(&bs, 1+strlen(bn) + 4 + 1+iconcsumlen);
107:
108: /* Buddy name */
109: byte_stream_put8(&bs, strlen(bn));
110: byte_stream_putstr(&bs, bn);
111:
112: /* Some numbers. You like numbers, right? */
113: byte_stream_put8(&bs, 0x01);
114: byte_stream_put16(&bs, 0x0001);
115: byte_stream_put8(&bs, iconcsumtype);
116:
117: /* Icon string */
118: byte_stream_put8(&bs, iconcsumlen);
119: byte_stream_putraw(&bs, iconcsum, iconcsumlen);
120:
121: snacid = aim_cachesnac(od, SNAC_FAMILY_BART, 0x0004, 0x0000, NULL, 0);
122: flap_connection_send_snac(od, conn, SNAC_FAMILY_BART, 0x0004, snacid, &bs);
123:
124: byte_stream_destroy(&bs);
125:
126: return 0;
127: }
128:
129: /**
130: * Subtype 0x0005 - Receive a buddy icon.
131: *
132: * This is sent in response to a buddy icon request.
133: */
134: static int
135: parseicon(OscarData *od, FlapConnection *conn, aim_module_t *mod, FlapFrame *frame, aim_modsnac_t *snac, ByteStream *bs)
136: {
137: int ret = 0;
138: aim_rxcallback_t userfunc;
139: char *bn;
140: guint16 iconlen;
141: guint8 iconcsumtype, iconcsumlen, *iconcsum, *icon;
142:
143: bn = byte_stream_getstr(bs, byte_stream_get8(bs));
144: byte_stream_get16(bs); /* flags */
145: iconcsumtype = byte_stream_get8(bs);
146: iconcsumlen = byte_stream_get8(bs);
147: iconcsum = byte_stream_getraw(bs, iconcsumlen);
148: iconlen = byte_stream_get16(bs);
149: icon = byte_stream_getraw(bs, iconlen);
150:
151: if ((userfunc = aim_callhandler(od, snac->family, snac->subtype)))
152: ret = userfunc(od, conn, frame, bn, iconcsumtype, iconcsum, iconcsumlen, icon, iconlen);
153:
154: g_free(bn);
155: g_free(iconcsum);
156: g_free(icon);
157:
158: return ret;
159: }
160:
161: static int
162: snachandler(OscarData *od, FlapConnection *conn, aim_module_t *mod, FlapFrame *frame, aim_modsnac_t *snac, ByteStream *bs)
163: {
164: if (snac->subtype == 0x0003)
165: return uploadack(od, conn, mod, frame, snac, bs);
166: else if (snac->subtype == 0x0005)
167: return parseicon(od, conn, mod, frame, snac, bs);
168:
169: return 0;
170: }
171:
172: int
173: bart_modfirst(OscarData *od, aim_module_t *mod)
174: {
175: mod->family = SNAC_FAMILY_BART;
176: mod->version = 0x0001;
177: mod->toolid = 0x0010;
178: mod->toolversion = 0x0629;
179: mod->flags = 0;
180: strncpy(mod->name, "bart", sizeof(mod->name));
181: mod->snachandler = snachandler;
182:
183: return 0;
184: }
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