* Purple is the legal property of its developers, whose names are too numerous * to list here. Please refer to the COPYRIGHT file distributed with this * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA #include "yahoo_packet.h" #include "yahoo_friend.h" #include "yahoo_picture.h" struct yahoo_fetch_picture_data { yahoo_fetch_picture_cb(PurpleUtilFetchUrlData *url_data, gpointer user_data, const gchar *pic_data, size_t len, const gchar *error_message) struct yahoo_fetch_picture_data *d; yd->url_datas = g_slist_remove(yd->url_datas, url_data); if (error_message != NULL) { purple_debug_error("yahoo", "Fetching buddy icon failed: %s\n", error_message); purple_debug_error("yahoo", "Fetched an icon with length 0. Strange.\n"); char *checksum = g_strdup_printf("%i", d->checksum); purple_buddy_icons_set_for_user(purple_connection_get_account(d->gc), d->who, g_memdup(pic_data, len), len, checksum); void yahoo_process_picture(PurpleConnection *gc, struct yahoo_packet *pkt) char *who = NULL, *us = NULL; gboolean got_icon_info = FALSE, send_icon_info = FALSE; struct yahoo_pair *pair = l->data; if (g_utf8_validate(pair->value, -1, NULL)) { purple_debug_warning("yahoo", "yahoo_process_picture " "got non-UTF-8 string for key %d\n", pair->key); if (g_utf8_validate(pair->value, -1, NULL)) { purple_debug_warning("yahoo", "yahoo_process_picture " "got non-UTF-8 string for key %d\n", pair->key); tmp = strtol(pair->value, NULL, 10); if (g_utf8_validate(pair->value, -1, NULL)) { purple_debug_warning("yahoo", "yahoo_process_picture " "got non-UTF-8 string for key %d\n", pair->key); checksum = strtol(pair->value, NULL, 10); if (!purple_privacy_check(purple_connection_get_account(gc), who)) { purple_debug_info("yahoo", "Picture packet from %s dropped.\n", who); /* Yahoo IM 6 spits out 0.png as the URL if the buddy icon is not set */ if (who && got_icon_info && url && !g_ascii_strncasecmp(url, "http://", 7)) { /* TODO: make this work p2p, try p2p before the url */ PurpleUtilFetchUrlData *url_data; struct yahoo_fetch_picture_data *data; /* use whole URL if using HTTP Proxy */ gboolean use_whole_url = yahoo_account_use_http_proxy(gc); data = g_new0(struct yahoo_fetch_picture_data, 1); data->who = g_strdup(who); data->checksum = checksum; /* TODO: Does this need to be MSIE 5.0? */ url_data = purple_util_fetch_url(url, use_whole_url, "Mozilla/4.0 (compatible; MSIE 5.5)", FALSE, yahoo_fetch_picture_cb, data); yd->url_datas = g_slist_prepend(yd->url_datas, url_data); } else if (who && send_icon_info) { yahoo_send_picture_info(gc, who); void yahoo_process_picture_checksum(PurpleConnection *gc, struct yahoo_packet *pkt) struct yahoo_pair *pair = l->data; if (g_utf8_validate(pair->value, -1, NULL)) { purple_debug_warning("yahoo", "yahoo_process_picture_checksum " "got non-UTF-8 string for key %d\n", pair->key); checksum = strtol(pair->value, NULL, 10); PurpleBuddy *b = purple_find_buddy(gc->account, who); const char *locksum = NULL; /* FIXME: Cleanup this strtol() stuff if possible. */ locksum = purple_buddy_icons_get_checksum_for_user(b); if (!locksum || (checksum != strtol(locksum, NULL, 10))) yahoo_send_picture_request(gc, who); void yahoo_process_picture_upload(PurpleConnection *gc, struct yahoo_packet *pkt) PurpleAccount *account = purple_connection_get_account(gc); YahooData *yd = gc->proto_data; struct yahoo_pair *pair = l->data; /* filename on our computer. */ case 20: /* url at yahoo */ if (g_utf8_validate(pair->value, -1, NULL)) { purple_debug_warning("yahoo", "yahoo_process_picture_upload " "got non-UTF-8 string for key %d\n", pair->key); yd->picture_url = g_strdup(url); purple_account_set_string(account, YAHOO_PICURL_SETTING, url); purple_account_set_int(account, YAHOO_PICCKSUM_SETTING, yd->picture_checksum); yahoo_send_picture_checksum(gc); yahoo_send_picture_update(gc, 2); void yahoo_process_avatar_update(PurpleConnection *gc, struct yahoo_packet *pkt) struct yahoo_pair *pair = l->data; if (g_utf8_validate(pair->value, -1, NULL)) { purple_debug_warning("yahoo", "yahoo_process_avatar_upload " "got non-UTF-8 string for key %d\n", pair->key); case 206: /* Older versions. Still needed? */ case 213: /* Newer versions */ avatar = strtol(pair->value, NULL, 10); yahoo_send_picture_request(gc, who); else if ((avatar == 0) || (avatar == 1)) { purple_buddy_icons_set_for_user(gc->account, who, NULL, 0, NULL); if ((f = yahoo_friend_find(gc, who))) yahoo_friend_set_buddy_icon_need_request(f, TRUE); purple_debug_misc("yahoo", "Setting user %s's icon to NULL.\n", who); void yahoo_send_picture_info(PurpleConnection *gc, const char *who) YahooData *yd = gc->proto_data; struct yahoo_packet *pkt; purple_debug_warning("yahoo", "Attempted to send picture info without a picture\n"); pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE, YAHOO_STATUS_AVAILABLE, yd->session_id); yahoo_packet_hash(pkt, "ssssi", 1, purple_connection_get_display_name(gc), 13, "2", 20, yd->picture_url, 192, yd->picture_checksum); yahoo_packet_send_and_free(pkt, yd); void yahoo_send_picture_request(PurpleConnection *gc, const char *who) YahooData *yd = gc->proto_data; struct yahoo_packet *pkt; pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE, YAHOO_STATUS_AVAILABLE, yd->session_id); yahoo_packet_hash_str(pkt, 1, purple_connection_get_display_name(gc)); /* me */ yahoo_packet_hash_str(pkt, 5, who); /* the other guy */ yahoo_packet_hash_str(pkt, 13, "1"); /* 1 = request, 2 = reply */ yahoo_packet_send_and_free(pkt, yd); void yahoo_send_picture_checksum(PurpleConnection *gc) YahooData *yd = gc->proto_data; struct yahoo_packet *pkt; pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE_CHECKSUM, YAHOO_STATUS_AVAILABLE, yd->session_id); yahoo_packet_hash(pkt, "ssi", 1, purple_connection_get_display_name(gc), 212, "1", 192, yd->picture_checksum); yahoo_packet_send_and_free(pkt, yd); void yahoo_send_picture_update_to_user(PurpleConnection *gc, const char *who, int type) YahooData *yd = gc->proto_data; struct yahoo_packet *pkt; pkt = yahoo_packet_new(YAHOO_SERVICE_AVATAR_UPDATE, YAHOO_STATUS_AVAILABLE, yd->session_id); yahoo_packet_hash(pkt, "si", 3, who, 213, type); yahoo_packet_send_and_free(pkt, yd); static void yahoo_send_picture_update_foreach(gpointer key, gpointer value, gpointer data) if (f->status != YAHOO_STATUS_OFFLINE) yahoo_send_picture_update_to_user(d->gc, who, d->type); void yahoo_send_picture_update(PurpleConnection *gc, int type) YahooData *yd = gc->proto_data; g_hash_table_foreach(yd->friends, yahoo_send_picture_update_foreach, &data); void yahoo_buddy_icon_upload_data_free(struct yahoo_buddy_icon_upload_data *d) purple_debug_misc("yahoo", "In yahoo_buddy_icon_upload_data_free()\n"); g_string_free(d->str, TRUE); purple_input_remove(d->watcher); /* we couldn't care less about the server's response, but yahoo gets grumpy if we close before it sends it */ static void yahoo_buddy_icon_upload_reading(gpointer data, gint source, PurpleInputCondition condition) struct yahoo_buddy_icon_upload_data *d = data; PurpleConnection *gc = d->gc; if (!PURPLE_CONNECTION_IS_VALID(gc)) { yahoo_buddy_icon_upload_data_free(d); ret = read(d->fd, buf, sizeof(buf)); if (ret < 0 && errno == EAGAIN) /* There are other problems if d->str->len overflows, so shut up the purple_debug_info("yahoo", "Buddy icon upload response (%" G_GSIZE_FORMAT ") bytes (> ~400 indicates failure):\n%.*s\n", d->str->len, (guint)d->str->len, d->str->str); yahoo_buddy_icon_upload_data_free(d); g_string_append_len(d->str, buf, ret); static void yahoo_buddy_icon_upload_pending(gpointer data, gint source, PurpleInputCondition condition) struct yahoo_buddy_icon_upload_data *d = data; PurpleConnection *gc = d->gc; if (!PURPLE_CONNECTION_IS_VALID(gc)) { yahoo_buddy_icon_upload_data_free(d); wrote = write(d->fd, d->str->str + d->pos, d->str->len - d->pos); if (wrote < 0 && errno == EAGAIN) purple_debug_info("yahoo", "Error uploading buddy icon.\n"); yahoo_buddy_icon_upload_data_free(d); if (d->pos >= d->str->len) { purple_debug_misc("yahoo", "Finished uploading buddy icon.\n"); purple_input_remove(d->watcher); /* Clean out the sent buffer and reuse it to read the result */ g_string_free(d->str, TRUE); d->str = g_string_new(""); d->watcher = purple_input_add(d->fd, PURPLE_INPUT_READ, yahoo_buddy_icon_upload_reading, d); static void yahoo_buddy_icon_upload_connected(gpointer data, gint source, const gchar *error_message) struct yahoo_buddy_icon_upload_data *d = data; struct yahoo_packet *pkt; PurpleConnection *gc = d->gc; /* use whole URL if using HTTP Proxy */ gboolean use_whole_url = yahoo_account_use_http_proxy(gc); account = purple_connection_get_account(gc); /* Buddy icon connect is now complete; clear the PurpleProxyConnectData */ yd->buddy_icon_connect_data = NULL; purple_debug_error("yahoo", "Buddy icon upload failed: %s\n", error_message); yahoo_buddy_icon_upload_data_free(d); pkt = yahoo_packet_new(YAHOO_SERVICE_PICTURE_UPLOAD, YAHOO_STATUS_AVAILABLE, yd->session_id); tmp = g_strdup_printf("%" G_GSIZE_FORMAT, d->str->len); /* 1 = me, 38 = expire time(?), 0 = me, 28 = size, 27 = filename, 14 = NULL, 29 = data */ yahoo_packet_hash_str(pkt, 1, purple_connection_get_display_name(gc)); yahoo_packet_hash_str(pkt, 38, "604800"); /* time til expire */ purple_account_set_int(account, YAHOO_PICEXPIRE_SETTING, time(NULL) + 604800); yahoo_packet_hash_str(pkt, 0, purple_connection_get_display_name(gc)); yahoo_packet_hash_str(pkt, 28, tmp); yahoo_packet_hash_str(pkt, 27, d->filename); yahoo_packet_hash_str(pkt, 14, ""); /* 4 padding for the 29 key name */ pkt_buf_len = yahoo_packet_build(pkt, 4, FALSE, yd->jp, &pkt_buf); /* header + packet + "29" + 0xc0 + 0x80) + pictureblob */ host = purple_account_get_string(account, "xfer_host", yd->jp? YAHOOJP_XFER_HOST : YAHOO_XFER_HOST); port = purple_account_get_int(account, "xfer_port", YAHOO_XFER_PORT); tmp = g_strdup_printf("%s:%d", host, port); header = g_strdup_printf("POST %s%s/notifyft HTTP/1.1\r\n" "User-Agent: " YAHOO_CLIENT_USERAGENT "\r\n" "Content-Length: %" G_GSIZE_FORMAT "\r\n" "Cache-Control: no-cache\r\n\r\n", use_whole_url ? "http://" : "", use_whole_url ? tmp : "", yd->cookie_t, yd->cookie_y, pkt_buf_len + 4 + d->str->len); /* There's no magic here, we just need to prepend in reverse order */ g_string_prepend(d->str, "29\xc0\x80"); g_string_prepend_len(d->str, (char *)pkt_buf, pkt_buf_len); g_string_prepend(d->str, header); /* There are other problems if we're uploading over 4GB of data */ purple_debug_info("yahoo", "Buddy icon upload data:\n%.*s\n", (guint)d->str->len, d->str->str); d->watcher = purple_input_add(d->fd, PURPLE_INPUT_WRITE, yahoo_buddy_icon_upload_pending, d); yahoo_buddy_icon_upload_pending(d, d->fd, PURPLE_INPUT_WRITE); void yahoo_buddy_icon_upload(PurpleConnection *gc, struct yahoo_buddy_icon_upload_data *d) PurpleAccount *account = purple_connection_get_account(gc); YahooData *yd = gc->proto_data; if (yd->buddy_icon_connect_data != NULL) { /* Cancel any in-progress buddy icon upload */ purple_proxy_connect_cancel(yd->buddy_icon_connect_data); yd->buddy_icon_connect_data = NULL; yd->buddy_icon_connect_data = purple_proxy_connect(NULL, account, purple_account_get_string(account, "xfer_host", yd->jp? YAHOOJP_XFER_HOST : YAHOO_XFER_HOST), purple_account_get_int(account, "xfer_port", YAHOO_XFER_PORT), yahoo_buddy_icon_upload_connected, d); if (yd->buddy_icon_connect_data == NULL) purple_debug_error("yahoo", "Uploading our buddy icon failed to connect.\n"); yahoo_buddy_icon_upload_data_free(d); static int yahoo_buddy_icon_calculate_checksum(const guchar *data, gsize len) /* This code is borrowed from Kopete, which seems to be managing to calculate checksums in such a manner that Yahoo!'s servers are happy */ int checksum = 0, g, i = len; checksum = (checksum << 4) + *p++; if((g = (checksum & 0xf0000000)) != 0) purple_debug_misc("yahoo", "Calculated buddy icon checksum: %d\n", checksum); void yahoo_set_buddy_icon(PurpleConnection *gc, PurpleStoredImage *img) YahooData *yd = gc->proto_data; PurpleAccount *account = gc->account; /* TODO: don't we have to clear it on the server too?! */ purple_account_set_string(account, YAHOO_PICURL_SETTING, NULL); purple_account_set_int(account, YAHOO_PICCKSUM_SETTING, 0); purple_account_set_int(account, YAHOO_PICEXPIRE_SETTING, 0); /* Tell everyone we ain't got one no more */ yahoo_send_picture_update(gc, 0); gconstpointer data = purple_imgstore_get_data(img); size_t len = purple_imgstore_get_size(img); GString *s = g_string_new_len(data, len); struct yahoo_buddy_icon_upload_data *d; int oldcksum = purple_account_get_int(account, YAHOO_PICCKSUM_SETTING, 0); int expire = purple_account_get_int(account, YAHOO_PICEXPIRE_SETTING, 0); const char *oldurl = purple_account_get_string(account, YAHOO_PICURL_SETTING, NULL); yd->picture_checksum = yahoo_buddy_icon_calculate_checksum(data, len); if ((yd->picture_checksum == oldcksum) && (expire > (time(NULL) + 60*60*24)) && oldurl) purple_debug_misc("yahoo", "buddy icon is up to date. Not reuploading.\n"); yd->picture_url = g_strdup(oldurl); /* We use this solely for sending a filename to the server */ d = g_new0(struct yahoo_buddy_icon_upload_data, 1); d->filename = g_strdup(purple_imgstore_get_filename(img)); yd->picture_upload_todo = d; yahoo_buddy_icon_upload(gc, d);