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1314c8e78e9d6bb79a712eebf1e1e22e535f7207
weechat/src/irc/irc-dcc.c
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/*
* Copyright (c) 2003-2006 by FlashCode <flashcode@flashtux.org>
* See README for License detail, AUTHORS for developers list.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* irc-dcc.c: DCC communications (files & chat) */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdarg.h>
#include <fcntl.h>
#include <time.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include "../common/weechat.h"
#include "irc.h"
#include "../common/weeconfig.h"
#include "../common/hotlist.h"
#include "../gui/gui.h"
t_irc_dcc *dcc_list = NULL; /* DCC files & chat list */
char *dcc_status_string[] = /* strings for DCC status */
{ N_("Waiting"), N_("Connecting"), N_("Active"), N_("Done"), N_("Failed"),
N_("Aborted") };
/*
* dcc_redraw: redraw DCC buffer (and add to hotlist)
*/
void
dcc_redraw (int highlight)
{
gui_redraw_buffer (gui_get_dcc_buffer (gui_current_window));
if (highlight)
{
hotlist_add (highlight, NULL, gui_get_dcc_buffer (gui_current_window));
gui_draw_buffer_status (gui_current_window->buffer, 0);
}
}
/*
* dcc_search: search a DCC
*/
t_irc_dcc *
dcc_search (t_irc_server *server, int type, int status, int port)
{
t_irc_dcc *ptr_dcc;
for (ptr_dcc = dcc_list; ptr_dcc; ptr_dcc = ptr_dcc->next_dcc)
{
if ((ptr_dcc->server == server)
&& (ptr_dcc->type == type)
&& (ptr_dcc->status = status)
&& (ptr_dcc->port == port))
return ptr_dcc;
}
/* DCC not found */
return NULL;
}
/*
* dcc_port_in_use: return 1 if a port is in used (by an active or connecting DCC)
*/
int
dcc_port_in_use (int port)
{
t_irc_dcc *ptr_dcc;
/* skip any currently used ports */
for (ptr_dcc = dcc_list; ptr_dcc; ptr_dcc = ptr_dcc->next_dcc)
{
if ((ptr_dcc->port == port) && (!DCC_ENDED(ptr_dcc->status)))
return 1;
}
/* port not in use */
return 0;
}
/*
* dcc_file_is_resumable: check if a file can be used for resuming a download
*/
int
dcc_file_is_resumable (t_irc_dcc *ptr_dcc, char *filename)
{
struct stat st;
if (!cfg_dcc_auto_resume)
return 0;
if (access (filename, W_OK) == 0)
{
if (stat (filename, &st) != -1)
{
if ((unsigned long) st.st_size < ptr_dcc->size)
{
ptr_dcc->start_resume = (unsigned long) st.st_size;
ptr_dcc->pos = st.st_size;
ptr_dcc->last_check_pos = st.st_size;
return 1;
}
}
}
/* not resumable */
return 0;
}
/*
* dcc_find_filename: find local filename for a DCC
* if type if file/recv, add a suffix (like .1) if needed
* if download is resumable, set "start_resume" to good value
*/
void
dcc_find_filename (t_irc_dcc *ptr_dcc)
{
char *dir1, *dir2, *filename2;
if (!DCC_IS_FILE(ptr_dcc->type))
return;
dir1 = weechat_strreplace (cfg_dcc_download_path, "~", getenv ("HOME"));
if (!dir1)
return;
dir2 = weechat_strreplace (dir1, "%h", weechat_home);
if (!dir2)
{
free (dir1);
return;
}
ptr_dcc->local_filename = (char *) malloc (strlen (dir2) +
strlen (ptr_dcc->nick) +
strlen (ptr_dcc->filename) + 4);
if (!ptr_dcc->local_filename)
return;
strcpy (ptr_dcc->local_filename, dir2);
if (ptr_dcc->local_filename[strlen (ptr_dcc->local_filename) - 1] != DIR_SEPARATOR_CHAR)
strcat (ptr_dcc->local_filename, DIR_SEPARATOR);
strcat (ptr_dcc->local_filename, ptr_dcc->nick);
strcat (ptr_dcc->local_filename, ".");
strcat (ptr_dcc->local_filename, ptr_dcc->filename);
if (dir1)
free (dir1);
if (dir2 )
free (dir2);
/* file already exists? */
if (access (ptr_dcc->local_filename, F_OK) == 0)
{
if (dcc_file_is_resumable (ptr_dcc, ptr_dcc->local_filename))
return;
/* if auto rename is not set, then abort DCC */
if (!cfg_dcc_auto_rename)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
return;
}
filename2 = (char *) malloc (strlen (ptr_dcc->local_filename) + 16);
if (!filename2)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
return;
}
ptr_dcc->filename_suffix = 0;
do
{
ptr_dcc->filename_suffix++;
sprintf (filename2, "%s.%d",
ptr_dcc->local_filename,
ptr_dcc->filename_suffix);
if (access (filename2, F_OK) == 0)
{
if (dcc_file_is_resumable (ptr_dcc, filename2))
break;
}
else
break;
}
while (1);
free (ptr_dcc->local_filename);
ptr_dcc->local_filename = strdup (filename2);
free (filename2);
}
}
/*
* dcc_calculate_speed: calculate DCC speed (for files only)
*/
void
dcc_calculate_speed (t_irc_dcc *ptr_dcc, int ended)
{
time_t local_time, elapsed;
unsigned long bytes_per_sec_total;
local_time = time (NULL);
if (ended || local_time > ptr_dcc->last_check_time)
{
if (ended)
{
/* calculate bytes per second (global) */
elapsed = local_time - ptr_dcc->start_transfer;
if (elapsed == 0)
elapsed = 1;
ptr_dcc->bytes_per_sec = (ptr_dcc->pos - ptr_dcc->start_resume) / elapsed;
ptr_dcc->eta = 0;
}
else
{
/* calculate ETA */
elapsed = local_time - ptr_dcc->start_transfer;
if (elapsed == 0)
elapsed = 1;
bytes_per_sec_total = (ptr_dcc->pos - ptr_dcc->start_resume) / elapsed;
if (bytes_per_sec_total == 0)
bytes_per_sec_total = 1;
ptr_dcc->eta = (ptr_dcc->size - ptr_dcc->pos) / bytes_per_sec_total;
/* calculate bytes per second (since last check time) */
elapsed = local_time - ptr_dcc->last_check_time;
if (elapsed == 0)
elapsed = 1;
ptr_dcc->bytes_per_sec = (ptr_dcc->pos - ptr_dcc->last_check_pos) / elapsed;
}
ptr_dcc->last_check_time = local_time;
ptr_dcc->last_check_pos = ptr_dcc->pos;
}
}
/*
* dcc_connect: connect to another host
*/
int
dcc_connect (t_irc_dcc *ptr_dcc)
{
struct sockaddr_in addr;
struct hostent *hostent;
char *ip4;
if (ptr_dcc->type == DCC_CHAT_SEND)
ptr_dcc->status = DCC_WAITING;
else
ptr_dcc->status = DCC_CONNECTING;
if (ptr_dcc->sock == -1)
{
ptr_dcc->sock = socket (AF_INET, SOCK_STREAM, 0);
if (ptr_dcc->sock == -1)
return 0;
}
/* for sending (chat or file), listen to socket for a connection */
if (DCC_IS_SEND(ptr_dcc->type))
{
if (fcntl (ptr_dcc->sock, F_SETFL, O_NONBLOCK) == -1)
return 0;
if (listen (ptr_dcc->sock, 1) == -1)
return 0;
if (fcntl (ptr_dcc->sock, F_SETFL, 0) == -1)
return 0;
}
/* for receiving (chat or file), connect to listening host */
if (DCC_IS_RECV(ptr_dcc->type))
{
if (fcntl (ptr_dcc->sock, F_SETFL, O_NONBLOCK) == -1)
return 0;
if (cfg_proxy_use)
{
memset (&addr, 0, sizeof (addr));
addr.sin_addr.s_addr = htonl (ptr_dcc->addr);
ip4 = inet_ntoa(addr.sin_addr);
memset (&addr, 0, sizeof (addr));
addr.sin_port = htons (cfg_proxy_port);
addr.sin_family = AF_INET;
if ((hostent = gethostbyname (cfg_proxy_address)) == NULL)
return 0;
memcpy(&(addr.sin_addr),*(hostent->h_addr_list), sizeof(struct in_addr));
connect (ptr_dcc->sock, (struct sockaddr *) &addr, sizeof (addr));
if (pass_proxy(ptr_dcc->sock, ip4, ptr_dcc->port, ptr_dcc->server->username) == -1)
return 0;
}
else
{
memset (&addr, 0, sizeof (addr));
addr.sin_port = htons (ptr_dcc->port);
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl (ptr_dcc->addr);
connect (ptr_dcc->sock, (struct sockaddr *) &addr, sizeof (addr));
}
}
return 1;
}
/*
* dcc_free: free DCC struct and remove it from list
*/
void
dcc_free (t_irc_dcc *ptr_dcc)
{
t_irc_dcc *new_dcc_list;
if (ptr_dcc->prev_dcc)
{
(ptr_dcc->prev_dcc)->next_dcc = ptr_dcc->next_dcc;
new_dcc_list = dcc_list;
}
else
new_dcc_list = ptr_dcc->next_dcc;
if (ptr_dcc->next_dcc)
(ptr_dcc->next_dcc)->prev_dcc = ptr_dcc->prev_dcc;
if (ptr_dcc->nick)
free (ptr_dcc->nick);
if (ptr_dcc->unterminated_message)
free (ptr_dcc->unterminated_message);
if (ptr_dcc->filename)
free (ptr_dcc->filename);
free (ptr_dcc);
dcc_list = new_dcc_list;
}
/*
* dcc_close: close a DCC connection
*/
void
dcc_close (t_irc_dcc *ptr_dcc, int status)
{
t_gui_buffer *ptr_buffer;
struct stat st;
ptr_dcc->status = status;
if ((status == DCC_DONE) || (status == DCC_ABORTED) || (status == DCC_FAILED))
{
if (DCC_IS_FILE(ptr_dcc->type))
{
irc_display_prefix (ptr_dcc->server, ptr_dcc->server->buffer,
PREFIX_INFO);
gui_printf (ptr_dcc->server->buffer,
_("DCC: file %s%s%s"),
GUI_COLOR(COLOR_WIN_CHAT_CHANNEL),
ptr_dcc->filename,
GUI_COLOR(COLOR_WIN_CHAT));
if (ptr_dcc->local_filename)
gui_printf (ptr_dcc->server->buffer,
_(" (local filename: %s%s%s)"),
GUI_COLOR(COLOR_WIN_CHAT_CHANNEL),
ptr_dcc->local_filename,
GUI_COLOR(COLOR_WIN_CHAT));
if (ptr_dcc->type == DCC_FILE_SEND)
gui_printf (ptr_dcc->server->buffer, _(" sent to "));
else
gui_printf (ptr_dcc->server->buffer, _(" received from "));
gui_printf (ptr_dcc->server->buffer, "%s%s%s: %s\n",
GUI_COLOR(COLOR_WIN_CHAT_NICK),
ptr_dcc->nick,
GUI_COLOR(COLOR_WIN_CHAT),
(status == DCC_DONE) ? _("OK") : _("FAILED"));
}
}
if (status == DCC_ABORTED)
{
if (DCC_IS_CHAT(ptr_dcc->type))
{
if (ptr_dcc->channel)
ptr_buffer = ptr_dcc->channel->buffer;
else
ptr_buffer = ptr_dcc->server->buffer;
irc_display_prefix (ptr_dcc->server, ptr_buffer, PREFIX_INFO);
gui_printf (ptr_buffer,
_("DCC chat closed with %s%s %s(%s%d.%d.%d.%d%s)\n"),
GUI_COLOR(COLOR_WIN_CHAT_NICK),
ptr_dcc->nick,
GUI_COLOR(COLOR_WIN_CHAT_DARK),
GUI_COLOR(COLOR_WIN_CHAT_HOST),
ptr_dcc->addr >> 24,
(ptr_dcc->addr >> 16) & 0xff,
(ptr_dcc->addr >> 8) & 0xff,
ptr_dcc->addr & 0xff,
GUI_COLOR(COLOR_WIN_CHAT_DARK));
}
}
/* remove empty file if received file failed and nothing was transfered */
if (((status == DCC_FAILED) || (status == DCC_ABORTED))
&& DCC_IS_FILE(ptr_dcc->type)
&& DCC_IS_RECV(ptr_dcc->type)
&& ptr_dcc->local_filename
&& ptr_dcc->pos == 0)
{
/* erase file only if really empty on disk */
if (stat (ptr_dcc->local_filename, &st) != -1)
{
if ((unsigned long) st.st_size == 0)
unlink (ptr_dcc->local_filename);
}
}
ptr_dcc->channel = NULL;
if (DCC_IS_CHAT(ptr_dcc->type))
channel_remove_dcc (ptr_dcc);
if (DCC_IS_FILE(ptr_dcc->type))
dcc_calculate_speed (ptr_dcc, 1);
if (ptr_dcc->sock != -1)
{
close (ptr_dcc->sock);
ptr_dcc->sock = -1;
}
if (ptr_dcc->file != -1)
{
close (ptr_dcc->file);
ptr_dcc->file = -1;
}
}
/*
* dcc_channel_for_chat: create channel for DCC chat
*/
void
dcc_channel_for_chat (t_irc_dcc *ptr_dcc)
{
if (!channel_create_dcc (ptr_dcc))
{
irc_display_prefix (ptr_dcc->server, ptr_dcc->server->buffer,
PREFIX_ERROR);
gui_printf (ptr_dcc->server->buffer,
_("%s can't associate DCC chat with private buffer "
"(maybe private buffer has already DCC CHAT?)\n"),
WEECHAT_ERROR);
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
return;
}
irc_display_prefix (ptr_dcc->server, ptr_dcc->channel->buffer,
PREFIX_INFO);
gui_printf_type (ptr_dcc->channel->buffer, MSG_TYPE_MSG,
_("Connected to %s%s %s(%s%d.%d.%d.%d%s)%s via DCC chat\n"),
GUI_COLOR(COLOR_WIN_CHAT_NICK),
ptr_dcc->nick,
GUI_COLOR(COLOR_WIN_CHAT_DARK),
GUI_COLOR(COLOR_WIN_CHAT_HOST),
ptr_dcc->addr >> 24,
(ptr_dcc->addr >> 16) & 0xff,
(ptr_dcc->addr >> 8) & 0xff,
ptr_dcc->addr & 0xff,
GUI_COLOR(COLOR_WIN_CHAT_DARK),
GUI_COLOR(COLOR_WIN_CHAT));
}
/*
* dcc_recv_connect_init: connect to sender and init file or chat
*/
void
dcc_recv_connect_init (t_irc_dcc *ptr_dcc)
{
if (!dcc_connect (ptr_dcc))
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
}
else
{
ptr_dcc->status = DCC_ACTIVE;
/* DCC file => look for local filename and open it in writing mode */
if (DCC_IS_FILE(ptr_dcc->type))
{
if (ptr_dcc->start_resume > 0)
ptr_dcc->file = open (ptr_dcc->local_filename,
O_APPEND | O_WRONLY | O_NONBLOCK);
else
ptr_dcc->file = open (ptr_dcc->local_filename,
O_CREAT | O_TRUNC | O_WRONLY | O_NONBLOCK,
0644);
ptr_dcc->start_transfer = time (NULL);
ptr_dcc->last_check_time = time (NULL);
}
else
{
/* DCC CHAT => associate DCC with channel */
dcc_channel_for_chat (ptr_dcc);
}
}
dcc_redraw (HOTLIST_MSG);
}
/*
* dcc_accept: accepts a DCC file or chat request
*/
void
dcc_accept (t_irc_dcc *ptr_dcc)
{
if (DCC_IS_FILE(ptr_dcc->type) && (ptr_dcc->start_resume > 0))
{
ptr_dcc->status = DCC_CONNECTING;
server_sendf (ptr_dcc->server,
(strchr (ptr_dcc->filename, ' ')) ?
"PRIVMSG %s :\01DCC RESUME \"%s\" %d %u\01\r\n" :
"PRIVMSG %s :\01DCC RESUME %s %d %u\01\r\n",
ptr_dcc->nick, ptr_dcc->filename,
ptr_dcc->port, ptr_dcc->start_resume);
dcc_redraw (HOTLIST_MSG);
}
else
dcc_recv_connect_init (ptr_dcc);
}
/*
* dcc_accept_resume: accepts a resume and inform the receiver
*/
void
dcc_accept_resume (t_irc_server *server, char *filename, int port,
unsigned long pos_start)
{
t_irc_dcc *ptr_dcc;
ptr_dcc = dcc_search (server, DCC_FILE_SEND, DCC_CONNECTING, port);
if (ptr_dcc)
{
ptr_dcc->pos = pos_start;
ptr_dcc->ack = pos_start;
ptr_dcc->start_resume = pos_start;
ptr_dcc->last_check_pos = pos_start;
server_sendf (ptr_dcc->server,
(strchr (ptr_dcc->filename, ' ')) ?
"PRIVMSG %s :\01DCC ACCEPT \"%s\" %d %u\01\r\n" :
"PRIVMSG %s :\01DCC ACCEPT %s %d %u\01\r\n",
ptr_dcc->nick, ptr_dcc->filename,
ptr_dcc->port, ptr_dcc->start_resume);
irc_display_prefix (ptr_dcc->server, ptr_dcc->server->buffer,
PREFIX_INFO);
gui_printf (ptr_dcc->server->buffer,
_("DCC: file %s%s%s resumed at position %u\n"),
GUI_COLOR(COLOR_WIN_CHAT_CHANNEL),
ptr_dcc->filename,
GUI_COLOR(COLOR_WIN_CHAT),
ptr_dcc->start_resume);
dcc_redraw (HOTLIST_MSG);
}
else
gui_printf (server->buffer,
_("%s can't resume file \"%s\" (port: %d, start position: %u): DCC not found or ended\n"),
WEECHAT_ERROR, filename, port, pos_start);
}
/*
* dcc_start_resume: called when "DCC ACCEPT" is received (resume accepted by sender)
*/
void
dcc_start_resume (t_irc_server *server, char *filename, int port,
unsigned long pos_start)
{
t_irc_dcc *ptr_dcc;
ptr_dcc = dcc_search (server, DCC_FILE_RECV, DCC_CONNECTING, port);
if (ptr_dcc)
{
ptr_dcc->pos = pos_start;
ptr_dcc->ack = pos_start;
ptr_dcc->start_resume = pos_start;
ptr_dcc->last_check_pos = pos_start;
dcc_recv_connect_init (ptr_dcc);
}
else
gui_printf (server->buffer,
_("%s can't resume file \"%s\" (port: %d, start position: %u): DCC not found or ended\n"),
WEECHAT_ERROR, filename, port, pos_start);
}
/*
* dcc_alloc: allocate a new DCC file
*/
t_irc_dcc *
dcc_alloc ()
{
t_irc_dcc *new_dcc;
/* create new DCC struct */
if ((new_dcc = (t_irc_dcc *) malloc (sizeof (t_irc_dcc))) == NULL)
return NULL;
/* default values */
new_dcc->server = NULL;
new_dcc->channel = NULL;
new_dcc->type = 0;
new_dcc->status = 0;
new_dcc->start_time = 0;
new_dcc->start_transfer = 0;
new_dcc->addr = 0;
new_dcc->port = 0;
new_dcc->nick = NULL;
new_dcc->sock = -1;
new_dcc->unterminated_message = NULL;
new_dcc->file = -1;
new_dcc->filename = NULL;
new_dcc->local_filename = NULL;
new_dcc->filename_suffix = -1;
new_dcc->size = 0;
new_dcc->pos = 0;
new_dcc->ack = 0;
new_dcc->start_resume = 0;
new_dcc->last_check_time = 0;
new_dcc->last_check_pos = 0;
new_dcc->last_activity = 0;
new_dcc->bytes_per_sec = 0;
new_dcc->eta = 0;
new_dcc->prev_dcc = NULL;
new_dcc->next_dcc = dcc_list;
if (dcc_list)
dcc_list->prev_dcc = new_dcc;
dcc_list = new_dcc;
return new_dcc;
}
/*
* dcc_add: add a DCC file to queue
*/
t_irc_dcc *
dcc_add (t_irc_server *server, int type, unsigned long addr, int port, char *nick,
int sock, char *filename, char *local_filename, unsigned long size)
{
t_irc_dcc *new_dcc;
new_dcc = dcc_alloc ();
if (!new_dcc)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s not enough memory for new DCC\n"),
WEECHAT_ERROR);
return NULL;
}
/* initialize new DCC */
new_dcc->server = server;
new_dcc->channel = NULL;
new_dcc->type = type;
new_dcc->status = DCC_WAITING;
new_dcc->start_time = time (NULL);
new_dcc->start_transfer = time (NULL);
new_dcc->addr = addr;
new_dcc->port = port;
new_dcc->nick = strdup (nick);
new_dcc->sock = sock;
new_dcc->unterminated_message = NULL;
new_dcc->file = -1;
if (DCC_IS_CHAT(type))
new_dcc->filename = strdup (_("DCC chat"));
else
new_dcc->filename = (filename) ? strdup (filename) : NULL;
new_dcc->local_filename = NULL;
new_dcc->filename_suffix = -1;
new_dcc->size = size;
new_dcc->pos = 0;
new_dcc->ack = 0;
new_dcc->start_resume = 0;
new_dcc->last_check_time = time (NULL);
new_dcc->last_check_pos = 0;
new_dcc->last_activity = time (NULL);
new_dcc->bytes_per_sec = 0;
new_dcc->eta = 0;
if (local_filename)
new_dcc->local_filename = strdup (local_filename);
else
dcc_find_filename (new_dcc);
gui_current_window->dcc_first = NULL;
gui_current_window->dcc_selected = NULL;
/* write info message on server buffer */
if (type == DCC_FILE_RECV)
{
irc_display_prefix (server, server->buffer, PREFIX_INFO);
gui_printf (server->buffer,
_("Incoming DCC file from %s%s%s (%s%d.%d.%d.%d%s)%s: %s%s%s, %s%lu%s bytes\n"),
GUI_COLOR(COLOR_WIN_CHAT_NICK),
nick,
GUI_COLOR(COLOR_WIN_CHAT_DARK),
GUI_COLOR(COLOR_WIN_CHAT_HOST),
addr >> 24,
(addr >> 16) & 0xff,
(addr >> 8) & 0xff,
addr & 0xff,
GUI_COLOR(COLOR_WIN_CHAT_DARK),
GUI_COLOR(COLOR_WIN_CHAT),
GUI_COLOR(COLOR_WIN_CHAT_CHANNEL),
filename,
GUI_COLOR(COLOR_WIN_CHAT),
GUI_COLOR(COLOR_WIN_CHAT_CHANNEL),
size,
GUI_COLOR(COLOR_WIN_CHAT));
dcc_redraw (HOTLIST_MSG);
}
if (type == DCC_FILE_SEND)
{
irc_display_prefix (server, server->buffer, PREFIX_INFO);
gui_printf (server->buffer,
_("Sending DCC file to %s%s%s: %s%s%s "
"(local filename: %s%s%s), %s%lu%s bytes\n"),
GUI_COLOR(COLOR_WIN_CHAT_NICK),
nick,
GUI_COLOR(COLOR_WIN_CHAT),
GUI_COLOR(COLOR_WIN_CHAT_CHANNEL),
filename,
GUI_COLOR(COLOR_WIN_CHAT),
GUI_COLOR(COLOR_WIN_CHAT_CHANNEL),
local_filename,
GUI_COLOR(COLOR_WIN_CHAT),
GUI_COLOR(COLOR_WIN_CHAT_CHANNEL),
size,
GUI_COLOR(COLOR_WIN_CHAT));
dcc_redraw (HOTLIST_MSG);
}
if (type == DCC_CHAT_RECV)
{
irc_display_prefix (server, server->buffer, PREFIX_INFO);
gui_printf (server->buffer,
_("Incoming DCC chat request from %s%s%s "
"(%s%d.%d.%d.%d%s)\n"),
GUI_COLOR(COLOR_WIN_CHAT_NICK),
nick,
GUI_COLOR(COLOR_WIN_CHAT_DARK),
GUI_COLOR(COLOR_WIN_CHAT_HOST),
addr >> 24,
(addr >> 16) & 0xff,
(addr >> 8) & 0xff,
addr & 0xff,
GUI_COLOR(COLOR_WIN_CHAT_DARK));
dcc_redraw (HOTLIST_MSG);
}
if (type == DCC_CHAT_SEND)
{
irc_display_prefix (server, server->buffer, PREFIX_INFO);
gui_printf (server->buffer,
_("Sending DCC chat request to %s%s\n"),
GUI_COLOR(COLOR_WIN_CHAT_NICK),
nick);
dcc_redraw (HOTLIST_MSG);
}
if (DCC_IS_FILE(type) && (!new_dcc->local_filename))
{
dcc_close (new_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
return NULL;
}
if (DCC_IS_FILE(type) && (new_dcc->start_resume > 0))
{
irc_display_prefix (new_dcc->server, new_dcc->server->buffer,
PREFIX_INFO);
gui_printf (new_dcc->server->buffer,
_("DCC: file %s%s%s (local filename: %s%s%s) "
"will be resumed at position %u\n"),
GUI_COLOR(COLOR_WIN_CHAT_CHANNEL),
new_dcc->filename,
GUI_COLOR(COLOR_WIN_CHAT),
GUI_COLOR(COLOR_WIN_CHAT_CHANNEL),
new_dcc->local_filename,
GUI_COLOR(COLOR_WIN_CHAT),
new_dcc->start_resume);
dcc_redraw (HOTLIST_MSG);
}
/* connect if needed and redraw DCC buffer */
if (DCC_IS_SEND(type))
{
if (!dcc_connect (new_dcc))
{
dcc_close (new_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
return NULL;
}
}
if ( ( (type == DCC_CHAT_RECV) && (cfg_dcc_auto_accept_chats) )
|| ( (type == DCC_FILE_RECV) && (cfg_dcc_auto_accept_files) ) )
dcc_accept (new_dcc);
else
dcc_redraw (HOTLIST_PRIVATE);
gui_draw_buffer_status (gui_current_window->buffer, 0);
return new_dcc;
}
/*
* dcc_send_request: send DCC request (file or chat)
*/
void
dcc_send_request (t_irc_server *server, int type, char *nick, char *filename)
{
char *dir1, *dir2, *filename2, *short_filename, *pos;
int spaces, args, port_start, port_end;
struct stat st;
int sock, port;
struct hostent *host;
struct in_addr tmpaddr;
struct sockaddr_in addr;
socklen_t length;
unsigned long local_addr;
t_irc_dcc *ptr_dcc;
filename2 = NULL;
short_filename = NULL;
spaces = 0;
if (type == DCC_FILE_SEND)
{
/* add home if filename not beginning with '/' (not for Win32) */
#ifdef _WIN32
filename2 = strdup (filename);
#else
if (filename[0] == '/')
filename2 = strdup (filename);
else
{
dir1 = weechat_strreplace (cfg_dcc_upload_path, "~", getenv ("HOME"));
if (!dir1)
return;
dir2 = weechat_strreplace (dir1, "%h", weechat_home);
if (!dir2)
{
free (dir1);
return;
}
filename2 = (char *) malloc (strlen (dir2) +
strlen (filename) + 4);
if (!filename2)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s not enough memory for DCC SEND\n"),
WEECHAT_ERROR);
return;
}
strcpy (filename2, dir2);
if (filename2[strlen (filename2) - 1] != DIR_SEPARATOR_CHAR)
strcat (filename2, DIR_SEPARATOR);
strcat (filename2, filename);
if (dir1)
free (dir1);
if (dir2)
free (dir2);
}
#endif
/* check if file exists */
if (stat (filename2, &st) == -1)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s cannot access file \"%s\"\n"),
WEECHAT_ERROR, filename2);
if (filename2)
free (filename2);
return;
}
}
/* get local IP address */
/* look up the IP address from dcc_own_ip, if set */
local_addr = 0;
if (cfg_dcc_own_ip && cfg_dcc_own_ip[0])
{
host = gethostbyname (cfg_dcc_own_ip);
if (host)
{
memcpy (&tmpaddr, host->h_addr_list[0], sizeof(struct in_addr));
local_addr = ntohl (tmpaddr.s_addr);
}
else
gui_printf (server->buffer,
_("%s could not find address for '%s'. Falling back to local IP.\n"),
WEECHAT_WARNING, cfg_dcc_own_ip);
}
/* use the local interface, from the server socket */
memset (&addr, 0, sizeof (struct sockaddr_in));
length = sizeof (addr);
getsockname (server->sock, (struct sockaddr *) &addr, &length);
addr.sin_family = AF_INET;
/* fallback to the local IP address on the interface, if required */
if (local_addr == 0)
local_addr = ntohl (addr.sin_addr.s_addr);
/* open socket for DCC */
sock = socket (AF_INET, SOCK_STREAM, 0);
if (sock == -1)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s cannot create socket for DCC\n"),
WEECHAT_ERROR);
if (filename2)
free (filename2);
return;
}
/* look for port */
port = 0;
if (cfg_dcc_port_range && cfg_dcc_port_range[0])
{
/* find a free port in the specified range */
args = sscanf (cfg_dcc_port_range, "%d-%d", &port_start, &port_end);
if (args > 0)
{
port = port_start;
if (args == 1)
port_end = port_start;
/* loop through the entire allowed port range */
while (port <= port_end)
{
if (!dcc_port_in_use (port))
{
/* attempt to bind to the free port */
addr.sin_port = htons (port);
if (bind (sock, (struct sockaddr *) &addr, sizeof (addr)) == 0)
break;
}
port++;
}
if (port > port_end)
port = -1;
}
}
if (port == 0)
{
/* find port automatically */
addr.sin_port = 0;
if (bind (sock, (struct sockaddr *) &addr, sizeof (addr)) == 0)
{
length = sizeof (addr);
getsockname (sock, (struct sockaddr *) &addr, &length);
port = ntohs (addr.sin_port);
}
else
port = -1;
}
if (port == -1)
{
/* Could not find any port to bind */
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s cannot find available port for DCC\n"),
WEECHAT_ERROR);
close (sock);
if (filename2)
free (filename2);
return;
}
if (type == DCC_FILE_SEND)
{
/* extract short filename (without path) */
pos = strrchr (filename2, DIR_SEPARATOR_CHAR);
if (pos)
short_filename = strdup (pos + 1);
else
short_filename = strdup (filename2);
/* convert spaces to underscore if asked and needed */
pos = short_filename;
spaces = 0;
while (pos[0])
{
if (pos[0] == ' ')
{
if (cfg_dcc_convert_spaces)
pos[0] = '_';
else
spaces = 1;
}
pos++;
}
}
/* add DCC entry and listen to socket */
if (type == DCC_CHAT_SEND)
ptr_dcc = dcc_add (server, DCC_CHAT_SEND, local_addr, port, nick, sock,
NULL, NULL, 0);
else
ptr_dcc = dcc_add (server, DCC_FILE_SEND, local_addr, port, nick, sock,
short_filename, filename2, st.st_size);
if (!ptr_dcc)
{
irc_display_prefix (server, server->buffer, PREFIX_ERROR);
gui_printf (server->buffer,
_("%s cannot send DCC\n"),
WEECHAT_ERROR);
close (sock);
if (short_filename)
free (short_filename);
if (filename2)
free (filename2);
return;
}
/* send DCC request to nick */
if (type == DCC_CHAT_SEND)
server_sendf (server,
"PRIVMSG %s :\01DCC CHAT chat %lu %d\01\r\n",
nick, local_addr, port);
else
server_sendf (server,
(spaces) ?
"PRIVMSG %s :\01DCC SEND \"%s\" %lu %d %u\01\r\n" :
"PRIVMSG %s :\01DCC SEND %s %lu %d %u\01\r\n",
nick, short_filename, local_addr, port,
(unsigned long) st.st_size);
if (short_filename)
free (short_filename);
if (filename2)
free (filename2);
}
/*
* dcc_chat_send: send data to remote host via DCC CHAT
*/
int
dcc_chat_send (t_irc_dcc *ptr_dcc, char *buffer, int size_buf)
{
if (!ptr_dcc)
return -1;
return send (ptr_dcc->sock, buffer, size_buf, 0);
}
/*
* dcc_chat_sendf: send formatted data to remote host via DCC CHAT
*/
void
dcc_chat_sendf (t_irc_dcc *ptr_dcc, char *fmt, ...)
{
va_list args;
static char buffer[4096];
char *buf2;
int size_buf;
if (!ptr_dcc || (ptr_dcc->sock == -1))
return;
va_start (args, fmt);
size_buf = vsnprintf (buffer, sizeof (buffer) - 1, fmt, args);
va_end (args);
if ((size_buf == 0) || (strcmp (buffer, "\r\n") == 0))
return;
buffer[sizeof (buffer) - 1] = '\0';
if ((size_buf < 0) || (size_buf > (int) (sizeof (buffer) - 1)))
size_buf = strlen (buffer);
#ifdef DEBUG
buffer[size_buf - 2] = '\0';
gui_printf (ptr_dcc->server->buffer, "[DEBUG] Sending to remote host (DCC CHAT) >>> %s\n", buffer);
buffer[size_buf - 2] = '\r';
#endif
buf2 = channel_iconv_encode (ptr_dcc->server,
ptr_dcc->channel,
buffer);
if (dcc_chat_send (ptr_dcc, buf2, strlen (buf2)) <= 0)
{
irc_display_prefix (ptr_dcc->server, ptr_dcc->server->buffer,
PREFIX_ERROR);
gui_printf (ptr_dcc->server->buffer,
_("%s error sending data to \"%s\" via DCC CHAT\n"),
WEECHAT_ERROR, ptr_dcc->nick);
dcc_close (ptr_dcc, DCC_FAILED);
}
free (buf2);
}
/*
* dcc_chat_recv: receive data from DCC CHAT host
*/
void
dcc_chat_recv (t_irc_dcc *ptr_dcc)
{
static char buffer[4096 + 2];
char *buf2, *pos, *ptr_buf, *ptr_buf2, *next_ptr_buf;
char *ptr_buf_color;
int num_read;
num_read = recv (ptr_dcc->sock, buffer, sizeof (buffer) - 2, 0);
if (num_read > 0)
{
buffer[num_read] = '\0';
buf2 = NULL;
ptr_buf = buffer;
if (ptr_dcc->unterminated_message)
{
buf2 = (char *) malloc (strlen (ptr_dcc->unterminated_message) +
strlen (buffer) + 1);
if (buf2)
{
strcpy (buf2, ptr_dcc->unterminated_message);
strcat (buf2, buffer);
}
ptr_buf = buf2;
free (ptr_dcc->unterminated_message);
ptr_dcc->unterminated_message = NULL;
}
while (ptr_buf && ptr_buf[0])
{
next_ptr_buf = NULL;
pos = strstr (ptr_buf, "\r\n");
if (pos)
{
pos[0] = '\0';
next_ptr_buf = pos + 2;
}
else
{
pos = strstr (ptr_buf, "\n");
if (pos)
{
pos[0] = '\0';
next_ptr_buf = pos + 1;
}
else
{
ptr_dcc->unterminated_message = strdup (ptr_buf);
ptr_buf = NULL;
next_ptr_buf = NULL;
}
}
if (ptr_buf)
{
ptr_buf2 = channel_iconv_decode (ptr_dcc->server,
ptr_dcc->channel,
ptr_buf);
ptr_buf_color = (char *)gui_color_decode ((ptr_buf2) ?
(unsigned char *)ptr_buf2 : (unsigned char *)ptr_buf,
cfg_irc_colors_receive);
gui_printf_type (ptr_dcc->channel->buffer, MSG_TYPE_NICK,
"%s<", GUI_COLOR(COLOR_WIN_CHAT_DARK));
if (irc_is_highlight (ptr_buf, ptr_dcc->server->nick))
{
gui_printf_type (ptr_dcc->channel->buffer,
MSG_TYPE_NICK | MSG_TYPE_HIGHLIGHT,
"%s%s",
GUI_COLOR(COLOR_WIN_CHAT_HIGHLIGHT),
ptr_dcc->nick);
if ( (cfg_look_infobar_delay_highlight > 0)
&& (ptr_dcc->channel->buffer != gui_current_window->buffer) )
gui_infobar_printf (cfg_look_infobar_delay_highlight,
COLOR_WIN_INFOBAR_HIGHLIGHT,
_("Private %s> %s"),
ptr_dcc->nick,
(ptr_buf_color) ? ptr_buf_color : ((ptr_buf2) ? ptr_buf2 : ptr_buf));
}
else
gui_printf_type (ptr_dcc->channel->buffer, MSG_TYPE_NICK,
"%s%s",
GUI_COLOR(COLOR_WIN_NICK_PRIVATE),
ptr_dcc->nick);
gui_printf_type (ptr_dcc->channel->buffer, MSG_TYPE_NICK,
"%s> ", GUI_COLOR(COLOR_WIN_CHAT_DARK));
gui_printf_type (ptr_dcc->channel->buffer, MSG_TYPE_MSG,
"%s%s\n",
GUI_COLOR(COLOR_WIN_CHAT),
(ptr_buf_color) ? ptr_buf_color : ptr_buf);
if (ptr_buf_color)
free (ptr_buf_color);
if (ptr_buf2)
free (ptr_buf2);
}
ptr_buf = next_ptr_buf;
}
if (buf2)
free (buf2);
}
else
{
dcc_close (ptr_dcc, DCC_ABORTED);
dcc_redraw (HOTLIST_MSG);
}
}
/*
* dcc_handle: receive/send data for all active DCC
*/
void
dcc_handle ()
{
t_irc_dcc *ptr_dcc;
int num_read, num_sent;
static char buffer[102400];
uint32_t pos;
fd_set read_fd;
static struct timeval timeout;
int sock;
struct sockaddr_in addr;
socklen_t length;
for (ptr_dcc = dcc_list; ptr_dcc; ptr_dcc = ptr_dcc->next_dcc)
{
/* check DCC timeout */
if (DCC_IS_FILE(ptr_dcc->type) && !DCC_ENDED(ptr_dcc->status))
{
if ((cfg_dcc_timeout != 0) && (time (NULL) > ptr_dcc->last_activity + cfg_dcc_timeout))
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
}
if (ptr_dcc->status == DCC_CONNECTING)
{
if (ptr_dcc->type == DCC_FILE_SEND)
{
FD_ZERO (&read_fd);
FD_SET (ptr_dcc->sock, &read_fd);
timeout.tv_sec = 0;
timeout.tv_usec = 0;
/* something to read on socket? */
if (select (FD_SETSIZE, &read_fd, NULL, NULL, &timeout) > 0)
{
if (FD_ISSET (ptr_dcc->sock, &read_fd))
{
ptr_dcc->last_activity = time (NULL);
length = sizeof (addr);
sock = accept (ptr_dcc->sock, (struct sockaddr *) &addr, &length);
close (ptr_dcc->sock);
ptr_dcc->sock = -1;
if (sock < 0)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
ptr_dcc->sock = sock;
if (fcntl (ptr_dcc->sock, F_SETFL, O_NONBLOCK) == -1)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
ptr_dcc->addr = ntohl (addr.sin_addr.s_addr);
ptr_dcc->status = DCC_ACTIVE;
ptr_dcc->file = open (ptr_dcc->local_filename, O_RDONLY | O_NONBLOCK, 0644);
ptr_dcc->start_transfer = time (NULL);
dcc_redraw (HOTLIST_MSG);
}
}
}
}
if (ptr_dcc->status == DCC_WAITING)
{
if (ptr_dcc->type == DCC_CHAT_SEND)
{
FD_ZERO (&read_fd);
FD_SET (ptr_dcc->sock, &read_fd);
timeout.tv_sec = 0;
timeout.tv_usec = 0;
/* something to read on socket? */
if (select (FD_SETSIZE, &read_fd, NULL, NULL, &timeout) > 0)
{
if (FD_ISSET (ptr_dcc->sock, &read_fd))
{
length = sizeof (addr);
sock = accept (ptr_dcc->sock, (struct sockaddr *) &addr, &length);
close (ptr_dcc->sock);
ptr_dcc->sock = -1;
if (sock < 0)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
ptr_dcc->sock = sock;
if (fcntl (ptr_dcc->sock, F_SETFL, O_NONBLOCK) == -1)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
ptr_dcc->addr = ntohl (addr.sin_addr.s_addr);
ptr_dcc->status = DCC_ACTIVE;
dcc_redraw (HOTLIST_MSG);
dcc_channel_for_chat (ptr_dcc);
}
}
}
}
if (ptr_dcc->status == DCC_ACTIVE)
{
if (DCC_IS_CHAT(ptr_dcc->type))
{
FD_ZERO (&read_fd);
FD_SET (ptr_dcc->sock, &read_fd);
timeout.tv_sec = 0;
timeout.tv_usec = 0;
/* something to read on socket? */
if (select (FD_SETSIZE, &read_fd, NULL, NULL, &timeout) > 0)
{
if (FD_ISSET (ptr_dcc->sock, &read_fd))
dcc_chat_recv (ptr_dcc);
}
}
if (ptr_dcc->type == DCC_FILE_RECV)
{
num_read = recv (ptr_dcc->sock, buffer, sizeof (buffer), 0);
if (num_read != -1)
{
if (num_read == 0)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
if (write (ptr_dcc->file, buffer, num_read) == -1)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
ptr_dcc->last_activity = time (NULL);
ptr_dcc->pos += (unsigned long) num_read;
pos = htonl (ptr_dcc->pos);
send (ptr_dcc->sock, (char *) &pos, 4, 0);
dcc_calculate_speed (ptr_dcc, 0);
if (ptr_dcc->pos >= ptr_dcc->size)
{
dcc_close (ptr_dcc, DCC_DONE);
dcc_redraw (HOTLIST_MSG);
}
else
dcc_redraw (HOTLIST_LOW);
}
}
if (ptr_dcc->type == DCC_FILE_SEND)
{
if (cfg_dcc_blocksize > (int) sizeof (buffer))
{
irc_display_prefix (NULL, NULL, PREFIX_ERROR);
gui_printf (NULL, _("%s DCC failed because blocksize is too "
"big. Check value of \"dcc_blocksize\" option, "
"max is %d.\n"),
sizeof (buffer));
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
if (ptr_dcc->pos > ptr_dcc->ack)
{
/* we should receive ACK for packets sent previously */
num_read = recv (ptr_dcc->sock, (char *) &pos, 4, MSG_PEEK);
if (num_read != -1)
{
if (num_read == 0)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
if (num_read < 4)
continue;
recv (ptr_dcc->sock, (char *) &pos, 4, 0);
ptr_dcc->ack = ntohl (pos);
if ((ptr_dcc->pos >= ptr_dcc->size)
&& (ptr_dcc->ack >= ptr_dcc->size))
{
dcc_close (ptr_dcc, DCC_DONE);
dcc_redraw (HOTLIST_MSG);
continue;
}
}
}
if (ptr_dcc->pos <= ptr_dcc->ack)
{
lseek (ptr_dcc->file, ptr_dcc->pos, SEEK_SET);
num_read = read (ptr_dcc->file, buffer, cfg_dcc_blocksize);
if (num_read < 1)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
num_sent = send (ptr_dcc->sock, buffer, num_read, 0);
if (num_sent < 0)
{
dcc_close (ptr_dcc, DCC_FAILED);
dcc_redraw (HOTLIST_MSG);
continue;
}
ptr_dcc->last_activity = time (NULL);
ptr_dcc->pos += (unsigned long) num_sent;
dcc_calculate_speed (ptr_dcc, 0);
dcc_redraw (HOTLIST_LOW);
}
}
}
}
}
/*
* dcc_end: close all opened sockets (called when WeeChat is exiting)
*/
void
dcc_end ()
{
t_irc_dcc *ptr_dcc;
for (ptr_dcc = dcc_list; ptr_dcc; ptr_dcc = ptr_dcc->next_dcc)
{
if (ptr_dcc->sock != -1)
{
if (ptr_dcc->status == DCC_ACTIVE)
weechat_log_printf (_("Aborting active DCC: \"%s\" from %s\n"),
ptr_dcc->filename, ptr_dcc->nick);
dcc_close (ptr_dcc, DCC_FAILED);
}
}
}
/*
* dcc_print_log: print DCC infos in log (usually for crash dump)
*/
void
dcc_print_log (t_irc_dcc *dcc)
{
weechat_log_printf ("[DCC (addr:0x%X)]\n", dcc);
weechat_log_printf (" server. . . . . . . : 0x%X\n", dcc->server);
weechat_log_printf (" channel . . . . . . : 0x%X\n", dcc->channel);
weechat_log_printf (" type. . . . . . . . : %d\n", dcc->type);
weechat_log_printf (" status. . . . . . . : %d\n", dcc->status);
weechat_log_printf (" start_time. . . . . : %ld\n", dcc->start_time);
weechat_log_printf (" start_transfer. . . : %ld\n", dcc->start_transfer);
weechat_log_printf (" addr. . . . . . . . : %lu\n", dcc->addr);
weechat_log_printf (" port. . . . . . . . : %d\n", dcc->port);
weechat_log_printf (" nick. . . . . . . . : '%s'\n", dcc->nick);
weechat_log_printf (" sock. . . . . . . . : %d\n", dcc->sock);
weechat_log_printf (" unterminated_message: '%s'\n", dcc->unterminated_message);
weechat_log_printf (" file. . . . . . . . : %d\n", dcc->file);
weechat_log_printf (" filename. . . . . . : '%s'\n", dcc->filename);
weechat_log_printf (" local_filename. . . : '%s'\n", dcc->local_filename);
weechat_log_printf (" filename_suffix . . : %d\n", dcc->filename_suffix);
weechat_log_printf (" size. . . . . . . . : %lu\n", dcc->size);
weechat_log_printf (" pos . . . . . . . . : %lu\n", dcc->pos);
weechat_log_printf (" ack . . . . . . . . : %lu\n", dcc->ack);
weechat_log_printf (" start_resume. . . . : %lu\n", dcc->start_resume);
weechat_log_printf (" last_check_time . . : %ld\n", dcc->last_check_time);
weechat_log_printf (" last_check_pos. . . : %lu\n", dcc->last_check_pos);
weechat_log_printf (" last_activity . . . : %ld\n", dcc->last_activity);
weechat_log_printf (" bytes_per_sec . . . : %lu\n", dcc->bytes_per_sec);
weechat_log_printf (" eta . . . . . . . . : %lu\n", dcc->eta);
weechat_log_printf (" prev_dcc. . . . . . : 0x%X\n", dcc->prev_dcc);
weechat_log_printf (" next_dcc. . . . . . : 0x%X\n", dcc->next_dcc);
}
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