src/rvous.c

/*
 * gaim
 *
 * Copyright (C) 1998-1999, Mark Spencer <markster@marko.net>
 * 
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netdb.h>
#include <netinet/in.h> 
#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
#include <gtk/gtk.h>
#include "proxy.h"
#include "gaim.h"

#define TYPE_DATA 2 /* from toc.c */

struct file_header {
	char  magic[4];		/* 0 */
	short hdrlen;		/* 4 */
	short hdrtype;		/* 6 */
	char  bcookie[8];	/* 8 */
	short encrypt;		/* 16 */
	short compress;		/* 18 */
	short totfiles;		/* 20 */
	short filesleft;	/* 22 */
	short totparts;		/* 24 */
	short partsleft;	/* 26 */
	long  totsize;		/* 28 */
	long  size;		/* 32 */
	long  modtime;		/* 36 */
	long  checksum;		/* 40 */
	long  rfrcsum;		/* 44 */
	long  rfsize;		/* 48 */
	long  cretime;		/* 52 */
	long  rfcsum;		/* 56 */
	long  nrecvd;		/* 60 */
	long  recvcsum;		/* 64 */
	char  idstring[32];	/* 68 */
	char  flags;		/* 100 */
	char  lnameoffset;	/* 101 */
	char  lsizeoffset;	/* 102 */
	char  dummy[69];	/* 103 */
	char  macfileinfo[16];	/* 172 */
	short nencode;		/* 188 */
	short nlanguage;	/* 190 */
	char  name[64];		/* 192 */
				/* 256 */
};

static void do_send_file(GtkWidget *, struct file_transfer *);
static void do_get_file (GtkWidget *, struct file_transfer *);
extern int sflap_send(struct gaim_connection *, char *, int, int);

static int snpa = -1;

static void toggle(GtkWidget *w, int *m)
{
	*m = !(*m);
}

static void free_ft(struct file_transfer *ft)
{
	if (ft->window) { gtk_widget_destroy(ft->window); ft->window = NULL; }
	if (ft->filename) g_free(ft->filename);
	if (ft->user) g_free(ft->user);
	if (ft->message) g_free(ft->message);
	if (ft->ip) g_free(ft->ip);
	if (ft->cookie) g_free(ft->cookie);
	g_free(ft);
}

static void warn_callback(GtkWidget *widget, struct file_transfer *ft)
{
        show_warn_dialog(ft->gc, ft->user);
}

static void info_callback(GtkWidget *widget, struct file_transfer *ft)
{
	serv_get_info(ft->gc, ft->user);
}

static void cancel_callback(GtkWidget *widget, struct file_transfer *ft)
{
	char buf[MSG_LEN];

	if (ft->accepted) {
		return;
	}
	
	g_snprintf(buf, MSG_LEN, "toc_rvous_cancel %s %s %s", ft->user, ft->cookie, ft->UID);
	sflap_send(ft->gc, buf, -1, TYPE_DATA);

	free_ft(ft);
}

static void accept_callback(GtkWidget *widget, struct file_transfer *ft)
{
	char buf[BUF_LEN];
	char fname[BUF_LEN];
	char *c;

	if (!strcmp(ft->UID, FILE_SEND_UID)) {
		c = ft->filename + strlen(ft->filename);

		while (c != ft->filename) {
			if (*c == '/' || *c == '\\') {
				strcpy(fname, c+1);
				break;
			}
			c--;
		}

		if (c == ft->filename)
	                strcpy(fname, ft->filename);
	}
	
	gtk_widget_destroy(ft->window);
	ft->window = NULL;
	
	ft->window = gtk_file_selection_new(_("Gaim - Save As..."));

	gtk_file_selection_hide_fileop_buttons(GTK_FILE_SELECTION(ft->window));

	if (!strcmp(ft->UID, FILE_SEND_UID))
		g_snprintf(buf, BUF_LEN - 1, "%s/%s", getenv("HOME"), fname);
	else
		g_snprintf(buf, BUF_LEN - 1, "%s/", getenv("HOME"));
	gtk_file_selection_set_filename(GTK_FILE_SELECTION(ft->window), buf);

	gtk_signal_connect(GTK_OBJECT(ft->window), "destroy",
			   GTK_SIGNAL_FUNC(cancel_callback), ft);
                
	if (!strcmp(ft->UID, FILE_SEND_UID)) {
		gtk_signal_connect(GTK_OBJECT(
				GTK_FILE_SELECTION(ft->window)->ok_button),
			        "clicked", GTK_SIGNAL_FUNC(do_get_file), ft);
	} else {
		gtk_signal_connect(GTK_OBJECT(
				GTK_FILE_SELECTION(ft->window)->ok_button),
				"clicked", GTK_SIGNAL_FUNC(do_send_file), ft);
	}
	gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(ft->window)->cancel_button),
			   "clicked", GTK_SIGNAL_FUNC(cancel_callback), ft);

	gtk_widget_show(ft->window);
}

static int read_file_header(int fd, struct file_header *header) {
	char buf[257];
	int read_rv = read(fd, buf, 256);
	if (read_rv < 0)
		return read_rv;
	memcpy(&header->magic,		buf +   0,  4);
	memcpy(&header->hdrlen,		buf +   4,  2);
	memcpy(&header->hdrtype,	buf +   6,  2);
	memcpy(&header->bcookie,	buf +   8,  8);
	memcpy(&header->encrypt,	buf +  16,  2);
	memcpy(&header->compress,	buf +  18,  2);
	memcpy(&header->totfiles,	buf +  20,  2);
	memcpy(&header->filesleft,	buf +  22,  2);
	memcpy(&header->totparts,	buf +  24,  2);
	memcpy(&header->partsleft,	buf +  26,  2);
	memcpy(&header->totsize,	buf +  28,  4);
	memcpy(&header->size,		buf +  32,  4);
	memcpy(&header->modtime,	buf +  36,  4);
	memcpy(&header->checksum,	buf +  40,  4);
	memcpy(&header->rfrcsum,	buf +  44,  4);
	memcpy(&header->rfsize,		buf +  48,  4);
	memcpy(&header->cretime,	buf +  52,  4);
	memcpy(&header->rfcsum,		buf +  56,  4);
	memcpy(&header->nrecvd,		buf +  60,  4);
	memcpy(&header->recvcsum,	buf +  64,  4);
	memcpy(&header->idstring,	buf +  68, 32);
	memcpy(&header->flags,		buf + 100,  1);
	memcpy(&header->lnameoffset,	buf + 101,  1);
	memcpy(&header->lsizeoffset,	buf + 102,  1);
	memcpy(&header->dummy,		buf + 103, 69);
	memcpy(&header->macfileinfo,	buf + 172, 16);
	memcpy(&header->nencode,	buf + 188,  2);
	memcpy(&header->nlanguage,	buf + 190,  2);
	memcpy(&header->name,		buf + 192, 64);
	return read_rv;
}

static int write_file_header(int fd, struct file_header *header) {
	char buf[257];
	memcpy(buf +   0, &header->magic,	 4);
	memcpy(buf +   4, &header->hdrlen,	 2);
	memcpy(buf +   6, &header->hdrtype,	 2);
	memcpy(buf +   8, &header->bcookie,	 8);
	memcpy(buf +  16, &header->encrypt,	 2);
	memcpy(buf +  18, &header->compress,	 2);
	memcpy(buf +  20, &header->totfiles,	 2);
	memcpy(buf +  22, &header->filesleft,	 2);
	memcpy(buf +  24, &header->totparts,	 2);
	memcpy(buf +  26, &header->partsleft,	 2);
	memcpy(buf +  28, &header->totsize,	 4);
	memcpy(buf +  32, &header->size,	 4);
	memcpy(buf +  36, &header->modtime,	 4);
	memcpy(buf +  40, &header->checksum,	 4);
	memcpy(buf +  44, &header->rfrcsum,	 4);
	memcpy(buf +  48, &header->rfsize,	 4);
	memcpy(buf +  52, &header->cretime,	 4);
	memcpy(buf +  56, &header->rfcsum,	 4);
	memcpy(buf +  60, &header->nrecvd,	 4);
	memcpy(buf +  64, &header->recvcsum,	 4);
	memcpy(buf +  68, &header->idstring,	32);
	memcpy(buf + 100, &header->flags,	 1);
	memcpy(buf + 101, &header->lnameoffset,	 1);
	memcpy(buf + 102, &header->lsizeoffset,	 1);
	memcpy(buf + 103, &header->dummy,	69);
	memcpy(buf + 172, &header->macfileinfo,	16);
	memcpy(buf + 188, &header->nencode,	 2);
	memcpy(buf + 190, &header->nlanguage,	 2);
	memcpy(buf + 192, &header->name,	64);
	return write(fd, buf, 256);
}

static void do_get_file(GtkWidget *w, struct file_transfer *ft)
{
	char *file = gtk_file_selection_get_filename(GTK_FILE_SELECTION(ft->window));
	char buf[BUF_LONG];
	char *buf2;
	char tmp_buf[MSG_LEN];
	struct file_header header;
	int read_rv;
	guint32 rcv;
	int cont = 1;
	GtkWidget *fw = NULL, *fbar = NULL, *label = NULL;
	GtkWidget *button = NULL, *pct = NULL;

	if (file_is_dir(file, ft->window)) {
	  	return;
	}

	if (!(ft->f = fopen(file,"w"))) {
                g_snprintf(buf, BUF_LONG / 2, _("Error writing file %s"), file);
		do_error_dialog(buf, _("Error"));
		ft->accepted = 0;
		accept_callback(NULL, ft);
		return;
	}

	ft->accepted = 1;
	
	gtk_widget_destroy(ft->window);
	ft->window = NULL;
	g_snprintf(tmp_buf, MSG_LEN, "toc_rvous_accept %s %s %s", ft->user, ft->cookie, ft->UID);
	sflap_send(ft->gc, tmp_buf, -1, TYPE_DATA);


	/* XXX is ft->port in host order or network order? */
	ft->fd = proxy_connect(ft->ip, ft->port, NULL, 0, -1);

	if (ft->fd <= -1) {
		fclose(ft->f);
		free_ft(ft);
		return;
	}

	read_rv = read_file_header(ft->fd, &header);
	if(read_rv < 0) {
		close(ft->fd);
		fclose(ft->f);
		free_ft(ft);
		return;
	}

	debug_printf("header length %d\n", header.hdrlen);

	header.hdrtype = 0x202;
	
	buf2 = frombase64(ft->cookie);
	memcpy(header.bcookie, buf2, 8);
	snprintf(header.idstring, 32, "Gaim");
	g_free(buf2);
	header.encrypt = 0; header.compress = 0;
	header.totparts = 1; header.partsleft = 1;

	debug_printf("sending confirmation\n");
	write_file_header(ft->fd, &header);

	rcv = 0;

	fw = gtk_dialog_new();
	snprintf(buf, 2048, _("Receiving %s from %s"), ft->filename, ft->user);
	label = gtk_label_new(buf);
	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(fw)->vbox), label, 0, 0, 5);
	gtk_widget_show(label);
	fbar = gtk_progress_bar_new();
	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(fw)->action_area), fbar, 0, 0, 5);
	gtk_widget_show(fbar);
	pct = gtk_label_new("0 %");
	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(fw)->action_area), pct, 0, 0, 5);
	gtk_widget_show(pct);
	button = gtk_button_new_with_label(_("Cancel"));
	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(fw)->action_area), button, 0, 0, 5);
	gtk_widget_show(button);
	if (display_options & OPT_DISP_COOL_LOOK)
		gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
	gtk_signal_connect(GTK_OBJECT(button), "clicked", (GtkSignalFunc)toggle, &cont);
	gtk_window_set_title(GTK_WINDOW(fw), _("Gaim - File Transfer"));
	gtk_widget_realize(fw);
	aol_icon(fw->window);
	gtk_widget_show(fw);

	debug_printf("Receiving %s from %s (%d bytes)\n", ft->filename, ft->user, ft->size);

	fcntl(ft->fd, F_SETFL, O_NONBLOCK);

	while (rcv != ft->size && cont) {
		int i;
		float pcnt = ((float)rcv)/((float)ft->size);
		int remain = ft->size - rcv > 1024 ? 1024 : ft->size - rcv;
		read_rv = read(ft->fd, buf, remain);
		if(read_rv < 0) {
			if (errno == EWOULDBLOCK) {
				while(gtk_events_pending())
					gtk_main_iteration();
				continue;
			}
			gtk_widget_destroy(fw);
			fw = NULL;
			fclose(ft->f);
			close(ft->fd);
			free_ft(ft);
			return;
		}
		rcv += read_rv;
		for (i = 0; i < read_rv; i++)
			fprintf(ft->f, "%c", buf[i]);
		gtk_progress_bar_update(GTK_PROGRESS_BAR(fbar), pcnt);
		sprintf(buf, "%d / %d K (%2.0f %%)", rcv/1024, ft->size/1024, 100*pcnt);
		gtk_label_set_text(GTK_LABEL(pct), buf);
		while(gtk_events_pending())
			gtk_main_iteration();
	}
	fclose(ft->f);
	gtk_widget_destroy(fw);
	fw = NULL;

	if (!cont) {
		g_snprintf(tmp_buf, MSG_LEN, "toc_rvous_cancel %s %s %s", ft->user, ft->cookie, ft->UID);
		sflap_send(ft->gc, tmp_buf, -1, TYPE_DATA);
		close(ft->fd);
		free_ft(ft);
		return;
	}

	debug_printf("Download complete.\n");

	header.hdrtype = 0x402;
	header.totparts = 0; header.partsleft = 0;
	header.flags = 0;
	header.recvcsum = header.checksum;
	header.nrecvd = header.totsize;
	write_file_header(ft->fd, &header);
	close(ft->fd);

	free_ft(ft);
}

static void send_file_callback(gpointer data, gint source,
		GdkInputCondition condition) {
	struct file_transfer *ft = (struct file_transfer *)data;
	struct file_header fhdr;
	int read_rv;
	char buf[2048];
	GtkWidget *fw = NULL, *fbar = NULL, *label = NULL;
	GtkWidget *button = NULL, *pct = NULL;
	int rcv, cont;

	gdk_input_remove(snpa);
	snpa = -1;

	if (condition & GDK_INPUT_EXCEPTION) {
		fclose(ft->f);
		close(ft->fd);
		free_ft(ft);
		return;
	}

	/* OK, so here's what's going on: we need to send a file. The person
	 * sends us a file_header, then we send a file_header, then they send
	 * us a file header, then we send the file, then they send a header,
	 * and we're done. */

	/* we can do some neat tricks because the other person sends us back
	 * all the information we need in the file_header */

	read_rv = read_file_header(ft->fd, &fhdr);
	if (read_rv < 0) {
		fclose(ft->f);
		close(ft->fd);
		free_ft(ft);
		return;
	}

	if (fhdr.hdrtype != 0xc12) {
		debug_printf("%s decided to cancel. (%x)\n", ft->user, fhdr.hdrtype);
		fclose(ft->f);
		close(ft->fd);
		free_ft(ft);
		return;
	}

	/* now we need to set the hdrtype to a certain value, but I don't know
	 * what that value is, and I don't happen to have a win computer to do
	 * my sniffing from :-P */
	fhdr.hdrtype = ntohs(0x101);
	fhdr.totfiles = 1;
	fhdr.filesleft = 1;
	fhdr.flags = 0x20;
	write_file_header(ft->fd, &fhdr);
	read_file_header(ft->fd, &fhdr);

	fw = gtk_dialog_new();
	snprintf(buf, 2048, _("Sending %s to %s"), fhdr.name, ft->user);
	label = gtk_label_new(buf);
	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(fw)->vbox), label, 0, 0, 5);
	gtk_widget_show(label);
	fbar = gtk_progress_bar_new();
	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(fw)->action_area), fbar, 0, 0, 5);
	gtk_widget_show(fbar);
	pct = gtk_label_new("0 %");
	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(fw)->action_area), pct, 0, 0, 5); 
	gtk_widget_show(pct);
	button = gtk_button_new_with_label(_("Cancel"));
	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(fw)->action_area), button, 0, 0, 5);
	gtk_widget_show(button);
	if (display_options & OPT_DISP_COOL_LOOK)
		gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
	gtk_signal_connect(GTK_OBJECT(button), "clicked", (GtkSignalFunc)toggle, &cont);
	gtk_window_set_title(GTK_WINDOW(fw), _("Gaim - File Transfer"));
	gtk_widget_realize(fw);
	aol_icon(fw->window);
	gtk_widget_show(fw);

	debug_printf("Sending %s to %s (%ld bytes)\n", fhdr.name, ft->user, fhdr.totsize);

	rcv = 0; cont = 1;
	while (rcv != ntohl(fhdr.totsize) && cont) {
		int i;
		float pcnt = ((float)rcv)/((float)ntohl(fhdr.totsize));
		int remain = ntohl(fhdr.totsize) - rcv > 1024 ? 1024 :
			ntohl(fhdr.totsize) - rcv;
		for (i = 0; i < remain; i++)
			fscanf(ft->f, "%c", &buf[i]);
		read_rv = write(ft->fd, buf, remain);
		if (read_rv < 0) {
			fclose(ft->f);
			gtk_widget_destroy(fw);
			fw = NULL;
			fclose(ft->f);
			close(ft->fd);
			free_ft(ft);
			return;
		}
		rcv += read_rv;
		gtk_progress_bar_update(GTK_PROGRESS_BAR(fbar), pcnt);
		sprintf(buf, "%d / %d K (%2.0f %%)", rcv/1024,
				ntohl(fhdr.totsize)/1024, 100*pcnt);
		gtk_label_set_text(GTK_LABEL(pct), buf);
		while(gtk_events_pending())
			gtk_main_iteration();
	}
	fclose(ft->f);
	gtk_widget_destroy(fw);
	fw = NULL;

	if (!cont) {
		char tmp_buf[MSG_LEN];
		g_snprintf(tmp_buf, MSG_LEN, "toc_rvous_cancel %s %s %s", ft->user, ft->cookie, ft->UID);
		sflap_send(ft->gc, tmp_buf, -1, TYPE_DATA);
		close(ft->fd);
		free_ft(ft);
		return;
	}

	debug_printf("Upload complete.\n");

	read_file_header(ft->fd, &fhdr);

	close(ft->fd);
	free_ft(ft);
}

static void do_send_file(GtkWidget *w, struct file_transfer *ft) {
	char *file = g_strdup(gtk_file_selection_get_filename(GTK_FILE_SELECTION(ft->window)));
	char buf[BUF_LONG];
	char *buf2;
	char tmp_buf[MSG_LEN];
	int read_rv;
	int at;
	struct file_header fhdr;
	guint32 rcv = 0;
	char *c;
	struct stat st;
	struct tm *fortime;

	if (file_is_dir (file, ft->window)) {
		g_free(file);
		return;
	}

	stat(file, &st);
	if (!(ft->f = fopen(file, "r"))) {
		g_snprintf(buf, BUF_LONG / 2, _("Error reading file %s"), file);
		do_error_dialog(buf, _("Error"));
		ft->accepted = 0;
		accept_callback(NULL, ft);
		free_ft(ft);
		return;
	}

	ft->accepted = 1;
	ft->filename = file;

	gtk_widget_destroy(ft->window);
	ft->window = NULL;
	g_snprintf(tmp_buf, MSG_LEN, "toc_rvous_accept %s %s %s", ft->user, ft->cookie, ft->UID);
	sflap_send(ft->gc, tmp_buf, -1, TYPE_DATA);


	/* XXX is ft->port in host order or network order? */
	ft->fd = proxy_connect(ft->ip, ft->port, NULL, 0, -1);

	if (ft->fd <= -1) {
		free_ft(ft);
		return;
	}

	/* here's where we differ from do_get_file */
	/* 1. build/send header
	 * 2. receive header
	 * 3. send listing file
	 * 4. receive header
	 *
	 * then we need to wait to actually send the file, if they want.
	 *
	 */

	/* 1. build/send header */
	c = file + strlen(file);
	while (*(c - 1) != '/') c--;
	buf2 = frombase64(ft->cookie);
	debug_printf("Building header to send %s (cookie: %s)\n", file, buf2);
	fhdr.magic[0] = 'O'; fhdr.magic[1] = 'F';
	fhdr.magic[2] = 'T'; fhdr.magic[3] = '2';
	fhdr.hdrlen = htons(256);
	fhdr.hdrtype = htons(0x1108);
	snprintf(fhdr.bcookie, 8, "%s", buf2);
	g_free(buf2);
	fhdr.encrypt = 0;
	fhdr.compress = 0;
	fhdr.totfiles = htons(1);
	fhdr.filesleft = htons(1);
	fhdr.totparts = htons(1);
	fhdr.partsleft = htons(1);
	fhdr.totsize = htonl((long)st.st_size); /* combined size of all files */
	/* size = strlen("mm/dd/yyyy hh:mm sizesize 'name'\r\n") */
	fhdr.size = htonl(28 + strlen(c)); /* size of listing.txt */
	fhdr.modtime = htonl(time(NULL)); /* time since UNIX epoch */
	fhdr.checksum = htonl(0x89f70000); /* ? i don't think this matters */
	fhdr.rfrcsum = 0;
	fhdr.rfsize = 0;
	fhdr.cretime = 0;
	fhdr.rfcsum = 0;
	fhdr.nrecvd = 0;
	fhdr.recvcsum = 0;
	snprintf(fhdr.idstring, 32, "OFT_Windows ICBMFT V1.1 32");
	fhdr.flags = 0x02;		/* don't ask me why */
	fhdr.lnameoffset = 0x1A;	/* ? still no clue */
	fhdr.lsizeoffset = 0x10;	/* whatever */
	memset(fhdr.dummy, 0, 69);
	memset(fhdr.macfileinfo, 0, 16);
	fhdr.nencode = 0;
	fhdr.nlanguage = 0;
	snprintf(fhdr.name, 64, "listing.txt");
	read_rv = write_file_header(ft->fd, &fhdr);
	if (read_rv <= -1) {
		debug_printf("Couldn't write opening header\n");
		close(ft->fd);
		free_ft(ft);
		return;
	}

	/* 2. receive header */
	debug_printf("Receiving header\n");
	read_rv = read_file_header(ft->fd, &fhdr);
	if (read_rv <= -1) {
		debug_printf("Couldn't read header\n");
		close(ft->fd);
		free_ft(ft);
		return;
	}

	/* 3. send listing file */
	/* mm/dd/yyyy hh:mm sizesize name.ext\r\n */
	/* creation date ^ */
	debug_printf("Sending file\n");
	fortime = localtime(&st.st_ctime);
	at = g_snprintf(buf, ntohl(fhdr.size) + 1, "%2d/%2d/%4d %2d:%2d %8ld ",
			fortime->tm_mon + 1, fortime->tm_mday, fortime->tm_year + 1900,
			fortime->tm_hour + 1, fortime->tm_min + 1,
			(long)st.st_size);
	g_snprintf(buf + at, ntohl(fhdr.size) + 1 - at, "%s\r\n", c);
	debug_printf("Sending listing.txt (%d bytes) to %s\n", ntohl(fhdr.size) + 1, ft->user);

	read_rv = write(ft->fd, buf, ntohl(fhdr.size));
	if (read_rv <= -1) {
		debug_printf("Could not send file, wrote %d\n", rcv);
		close(ft->fd);
		free_ft(ft);
		return;
	}

	/* 4. receive header */
	debug_printf("Receiving closing header\n");
	read_rv = read_file_header(ft->fd, &fhdr);
	if (read_rv <= -1) {
		debug_printf("Couldn't read closing header\n");
		close(ft->fd);
		free_ft(ft);
		return;
	}

	snpa = gdk_input_add(ft->fd, GDK_INPUT_READ | GDK_INPUT_EXCEPTION,
				send_file_callback, ft);

}

void accept_file_dialog(struct file_transfer *ft)
{
        GtkWidget *accept, *info, *warn, *cancel;
        GtkWidget *label;
        GtkWidget *vbox, *bbox;
        char buf[1024];

        
        ft->window = gtk_window_new(GTK_WINDOW_DIALOG);
        gtk_window_set_wmclass(GTK_WINDOW(ft->window), "accept_file", "Gaim");

        accept = gtk_button_new_with_label(_("Accept"));
        info = gtk_button_new_with_label(_("Info"));
        warn = gtk_button_new_with_label(_("Warn"));
        cancel = gtk_button_new_with_label(_("Cancel"));

        bbox = gtk_hbox_new(TRUE, 10);
        vbox = gtk_vbox_new(FALSE, 5);

        gtk_widget_show(accept);
        gtk_widget_show(info);
        gtk_widget_show(warn);
        gtk_widget_show(cancel);

		if (display_options & OPT_DISP_COOL_LOOK)
		{
			gtk_button_set_relief(GTK_BUTTON(accept), GTK_RELIEF_NONE);
			gtk_button_set_relief(GTK_BUTTON(info), GTK_RELIEF_NONE);
			gtk_button_set_relief(GTK_BUTTON(warn), GTK_RELIEF_NONE);
			gtk_button_set_relief(GTK_BUTTON(cancel), GTK_RELIEF_NONE);
		}

        gtk_box_pack_start(GTK_BOX(bbox), accept, TRUE, TRUE, 10);
        gtk_box_pack_start(GTK_BOX(bbox), info, TRUE, TRUE, 10);
        gtk_box_pack_start(GTK_BOX(bbox), warn, TRUE, TRUE, 10);
        gtk_box_pack_start(GTK_BOX(bbox), cancel, TRUE, TRUE, 10);

	if (!strcmp(ft->UID, FILE_SEND_UID)) {
	        g_snprintf(buf, sizeof(buf), _("%s requests you to accept the file: %s (%d bytes)"),
				ft->user, ft->filename, ft->size);
	} else {
		g_snprintf(buf, sizeof(buf), _("%s requests you to send them a file"),
				ft->user);
	}
        if (ft->message)
		strncat(buf, ft->message, sizeof(buf) - strlen(buf));
        label = gtk_label_new(buf);
        gtk_widget_show(label);
        gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, TRUE, 5);
        gtk_box_pack_start(GTK_BOX(vbox), bbox, TRUE, TRUE, 5);

        gtk_window_set_title(GTK_WINDOW(ft->window), _("Gaim - File Transfer?"));
        gtk_window_set_focus(GTK_WINDOW(ft->window), accept);
        gtk_container_add(GTK_CONTAINER(ft->window), vbox);
        gtk_container_border_width(GTK_CONTAINER(ft->window), 10);
        gtk_widget_show(vbox);
        gtk_widget_show(bbox);
        gtk_widget_realize(ft->window);
        aol_icon(ft->window->window);

        gtk_widget_show(ft->window);


	gtk_signal_connect(GTK_OBJECT(accept), "clicked",
			   GTK_SIGNAL_FUNC(accept_callback), ft);
	gtk_signal_connect(GTK_OBJECT(cancel), "clicked",
			   GTK_SIGNAL_FUNC(cancel_callback), ft);
	gtk_signal_connect(GTK_OBJECT(warn), "clicked",
			   GTK_SIGNAL_FUNC(warn_callback), ft);
	gtk_signal_connect(GTK_OBJECT(info), "clicked",
			   GTK_SIGNAL_FUNC(info_callback), ft);


	if (ft->message) {
		/* we'll do this later
		while(gtk_events_pending())
			gtk_main_iteration();
		html_print(text, ft->message);
		*/
	}
}