gputty

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/* gputty.c */
/* Copyright (c) 2004 Pierre Pronchery */
/* This file is part of GPuTTY. */
/* GPuTTY 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.
*
* GPuTTY 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 GPuTTY; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <err.h>
#include <gtk/gtk.h>
#include "gputty.h"
/* GPuTTY */
static char * _gputty_config_file(void);
/* callbacks */
static void gputty_on_about(GtkWidget * widget, gpointer data);
static void gputty_on_about_close(GtkWidget * widget, gpointer data);
static void gputty_on_about_closex(GtkWidget * widget, GdkEvent * event,
gpointer data);
static void gputty_on_connect(GtkWidget * widget, gpointer data);
static void gputty_on_delete(GtkWidget * widget, gpointer data);
static void gputty_on_load(GtkWidget * widget, gpointer data);
static void gputty_on_options(GtkWidget * widget, gpointer data);
static void gputty_on_quit(GtkWidget * widget, gpointer data);
static void gputty_on_quitx(GtkWidget * widget, GdkEvent * event,
gpointer data);
static void gputty_on_save(GtkWidget * widget, gpointer data);
static void gputty_on_select(GtkWidget * widget, gint row, gint column,
GdkEventButton *event, gpointer data);
static void gputty_on_unselect(GtkWidget * widget, gint row, gint column,
GdkEventButton *event, gpointer data);
GPuTTY * gputty_new(void)
{
GPuTTY * g;
char * p;
char * q;
int i;
if((g = malloc(sizeof(GPuTTY))) == NULL)
{
fprintf(stderr, "%s", "gputty: ");
perror("malloc");
return NULL;
}
/* Config */
if((g->config = config_new()) == NULL)
{
free(g);
return NULL;
}
config_set(g->config, "", "ssh", SSH);
config_set(g->config, "", "xterm", XTERM);
config_set(g->config, "", "port", "22"); /* FIXME should be define'd */
config_load(g->config, "/etc/gputty");
if((p = _gputty_config_file()) != NULL)
{
config_load(g->config, p);
free(p);
}
g->selection = -1;
/* widgets */
g->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(g->window), "GPuTTY");
gtk_container_set_border_width(GTK_CONTAINER(g->window), 4);
g_signal_connect(G_OBJECT(g->window), "delete_event",
G_CALLBACK(gputty_on_quitx), g);
g->vbox = gtk_vbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(g->window), g->vbox);
/* hostname */
g->hn_frame = gtk_frame_new("Specify your connection");
gtk_box_pack_start(GTK_BOX(g->vbox), g->hn_frame, FALSE, FALSE, 0);
g->hn_vbox = gtk_vbox_new(FALSE, 0);
gtk_container_set_border_width(GTK_CONTAINER(g->hn_vbox), 4);
gtk_container_add(GTK_CONTAINER(g->hn_frame), g->hn_vbox);
g->hn_hbox = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(g->hn_vbox), g->hn_hbox, TRUE, TRUE, 0);
/* hostname: hostname */
g->hn_vbox1 = gtk_vbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(g->hn_hbox), g->hn_vbox1, TRUE, TRUE, 0);
g->hn_lhostname = gtk_label_new("Host name");
gtk_box_pack_start(GTK_BOX(g->hn_vbox1), g->hn_lhostname, TRUE, TRUE, 0);
g->hn_ehostname = gtk_entry_new();
if((p = config_get(g->config, "", "hostname")) != NULL)
gtk_entry_set_text(GTK_ENTRY(g->hn_ehostname), p);
gtk_box_pack_start(GTK_BOX(g->hn_vbox1), g->hn_ehostname, TRUE, TRUE, 0);
/* hostname: port */
g->hn_vbox2 = gtk_vbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(g->hn_hbox), g->hn_vbox2, TRUE, TRUE, 4);
g->hn_lport = gtk_label_new("Port");
gtk_box_pack_start(GTK_BOX(g->hn_vbox2), g->hn_lport, TRUE, TRUE, 0);
g->hn_sport_adj = (GtkAdjustment *)gtk_adjustment_new(22, 0, 65535, 1, 4, 4);
g->hn_sport = gtk_spin_button_new(g->hn_sport_adj, 1, 0);
if((p = config_get(g->config, "", "port")) != NULL)
{
i = strtol(p, &q, 10);
if(*q == '\0' && i >= 0 && i <= 65535)
gtk_spin_button_set_value(GTK_SPIN_BUTTON(g->hn_sport),
i);
}
gtk_box_pack_start(GTK_BOX(g->hn_vbox2), g->hn_sport, TRUE, TRUE, 0);
/* hostname: username */
g->hn_vbox3 = gtk_vbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(g->hn_hbox), g->hn_vbox3, TRUE, TRUE, 0);
g->hn_lusername = gtk_label_new("User name");
gtk_box_pack_start(GTK_BOX(g->hn_vbox3), g->hn_lusername, TRUE, TRUE, 0);
g->hn_eusername = gtk_entry_new();
if((p = config_get(g->config, "", "username")) != NULL)
gtk_entry_set_text(GTK_ENTRY(g->hn_eusername), p);
gtk_box_pack_start(GTK_BOX(g->hn_vbox3), g->hn_eusername, TRUE, TRUE, 0);
/* sessions */
g->sn_frame = gtk_frame_new("Manage sessions");
g->sn_vbox1 = gtk_vbox_new(FALSE, 0);
g->sn_hbox = gtk_hbox_new(FALSE, 0);
/* sessions: list */
g->sn_vbox2 = gtk_vbox_new(FALSE, 0);
gtk_container_set_border_width(GTK_CONTAINER(g->sn_vbox2), 4);
g->sn_esessions = gtk_entry_new();
gtk_box_pack_start(GTK_BOX(g->sn_vbox2), g->sn_esessions, FALSE, FALSE, 0);
g->sn_swsessions = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(g->sn_swsessions), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
g->sn_clsessions = gtk_clist_new(1);
gtk_clist_set_selection_mode(GTK_CLIST(g->sn_clsessions),
GTK_SELECTION_SINGLE);
g_signal_connect(G_OBJECT(g->sn_clsessions), "select-row",
G_CALLBACK(gputty_on_select), g);
g_signal_connect(G_OBJECT(g->sn_clsessions), "unselect-row",
G_CALLBACK(gputty_on_unselect), g);
gtk_container_add(GTK_CONTAINER(g->sn_swsessions), g->sn_clsessions);
gtk_box_pack_start(GTK_BOX(g->sn_vbox2), g->sn_swsessions, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(g->sn_hbox), g->sn_vbox2, TRUE, TRUE, 0);
/* sessions: buttons */
g->sn_vbox3 = gtk_vbox_new(FALSE, 0);
g->sn_load = gtk_button_new_from_stock(GTK_STOCK_OPEN);
g_signal_connect(G_OBJECT(g->sn_load), "clicked",
G_CALLBACK(gputty_on_load), g);
gtk_box_pack_start(GTK_BOX(g->sn_vbox3), g->sn_load, FALSE, FALSE, 4);
g->sn_save = gtk_button_new_from_stock(GTK_STOCK_SAVE);
g_signal_connect(G_OBJECT(g->sn_save), "clicked",
G_CALLBACK(gputty_on_save), g);
gtk_box_pack_start(GTK_BOX(g->sn_vbox3), g->sn_save, FALSE, FALSE, 0);
g->sn_delete = gtk_button_new_from_stock(GTK_STOCK_DELETE);
g_signal_connect(G_OBJECT(g->sn_delete), "clicked",
G_CALLBACK(gputty_on_delete), g);
gtk_box_pack_start(GTK_BOX(g->sn_vbox3), g->sn_delete, FALSE, FALSE, 4);
gtk_box_pack_start(GTK_BOX(g->sn_hbox), g->sn_vbox3, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(g->sn_vbox1), g->sn_hbox, TRUE, TRUE, 0);
gtk_container_add(GTK_CONTAINER(g->sn_frame), g->sn_vbox1);
gtk_box_pack_start(GTK_BOX(g->vbox), g->sn_frame, TRUE, TRUE, 4);
/* actions */
g->ac_hbox = gtk_hbox_new(FALSE, 0);
g->ac_about = gtk_button_new_with_label("About");
gtk_box_pack_start(GTK_BOX(g->ac_hbox), g->ac_about, FALSE, FALSE, 0);
g_signal_connect(G_OBJECT(g->ac_about), "clicked",
G_CALLBACK(gputty_on_about), g);
g->ac_options = gtk_button_new_from_stock(GTK_STOCK_PREFERENCES);
gtk_box_pack_start(GTK_BOX(g->ac_hbox), g->ac_options, FALSE, FALSE, 4);
g_signal_connect(G_OBJECT(g->ac_options), "clicked",
G_CALLBACK(gputty_on_options), g);
g->ac_connect = gtk_button_new_with_label("Connect");
g_signal_connect(G_OBJECT(g->ac_connect), "clicked",
G_CALLBACK(gputty_on_connect), g);
gtk_box_pack_end(GTK_BOX(g->ac_hbox), g->ac_connect, FALSE, FALSE, 0);
g->ac_quit = gtk_button_new_from_stock(GTK_STOCK_QUIT);
gtk_box_pack_end(GTK_BOX(g->ac_hbox), g->ac_quit, FALSE, FALSE, 4);
g_signal_connect(G_OBJECT(g->ac_quit), "clicked",
G_CALLBACK(gputty_on_quit), g);
gtk_box_pack_start(GTK_BOX(g->vbox), g->ac_hbox, FALSE, FALSE, 0);
/* options */
g->op_window = NULL;
/* about */
g->ab_window = NULL;
/* load sessions */
for(i = 0; i <= 99; i++)
{
char buf[11];
sprintf(buf, "session %d", i);
if((p = config_get(g->config, buf, "name")) == NULL)
break;
gtk_clist_append(GTK_CLIST(g->sn_clsessions), &p);
}
/* show window */
gtk_widget_show_all(g->window);
return g;
}
static char * _gputty_config_file(void)
{
char * homedir;
char * filename;
unsigned int len;
if((homedir = getenv("HOME")) == NULL)
return NULL;
len = strlen(homedir) + 1 + strlen(GPUTTY_CONFIG_FILE) + 1;
if((filename = malloc(len)) == NULL)
return NULL;
sprintf(filename, "%s/%s", homedir, GPUTTY_CONFIG_FILE);
return filename;
}
void gputty_delete(GPuTTY * gputty)
{
config_delete(gputty->config);
free(gputty);
}
/* callbacks */
static void gputty_on_about(GtkWidget * widget, gpointer data)
{
GPuTTY * g = data;
if(g->ab_window == NULL)
{
g->ab_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_container_set_border_width(GTK_CONTAINER(g->ab_window), 4);
gtk_window_set_title(GTK_WINDOW(g->ab_window), "About GPuTTY");
g_signal_connect(G_OBJECT(g->ab_window), "delete_event",
G_CALLBACK(gputty_on_about_closex), g);
g->ab_vbox = gtk_vbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(g->ab_window), g->ab_vbox);
g->ab_label = gtk_label_new(
"GPuTTY is a clone of PuTTY for Open Source desktops.\n"
"Project homepage is found at:\n"
"http://www.defora.org/index.php?page=gputty\n"
"This software has been written by:\n"
"- Pierre Pronchery <khorben@defora.org>\n"
"and mainly relies on the following software:\n"
"- Glib\n"
"- Gtk+\n"
"This project is released under the terms of the\n"
"GNU General Public License.\n"
"Credits go to all Free Software contributors.");
gtk_box_pack_start(GTK_BOX(g->ab_vbox), g->ab_label,
TRUE, TRUE, 0);
g->ab_hsep = gtk_hseparator_new();
gtk_box_pack_start(GTK_BOX(g->ab_vbox), g->ab_hsep,
TRUE, TRUE, 4);
g->ab_close = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
g_signal_connect(G_OBJECT(g->ab_close), "clicked",
G_CALLBACK(gputty_on_about_close), g);
gtk_box_pack_start(GTK_BOX(g->ab_vbox), g->ab_close,
FALSE, FALSE, 0);
}
gtk_widget_show_all(g->ab_window);
}
static void gputty_on_about_close(GtkWidget * widget, gpointer data)
{
GPuTTY * g;
g = data;
gtk_widget_hide(g->ab_window);
}
static void gputty_on_about_closex(GtkWidget * widget, GdkEvent * event, gpointer data)
{
gputty_on_about_close(widget, data);
}
static void gputty_on_connect(GtkWidget * widget, gpointer data)
{
GPuTTY * g = data;
pid_t pid;
char * xterm = NULL;
char * ssh = NULL;
char const * hostname;
char port[6];
char * useropt = NULL;
char const * username = NULL;
xterm = config_get(g->config, "", "xterm");
ssh = config_get(g->config, "", "ssh");
hostname = gtk_entry_get_text(GTK_ENTRY(g->hn_ehostname));
if(snprintf(port, 6, "%d", gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(g->hn_sport))) >= 6)
port[5] = '\0';
if(hostname[0] == '\0')
return;
if((pid = fork()) == -1)
{
warn("fork");
return;
}
else if(pid == 0)
{
username = gtk_entry_get_text(GTK_ENTRY(g->hn_eusername));
if(username[0] != '\0')
useropt = "-l";
execlp(xterm, xterm, "-e",
ssh, hostname,
"-p", port,
useropt, username,
NULL);
err(2, xterm);
}
}
static void gputty_on_delete(GtkWidget * widget, gpointer data)
{
GPuTTY * g = data;
int i;
char buf1[11];
char buf2[11];
char * p;
if(g->selection == -1)
return;
i = g->selection;
gtk_clist_remove(GTK_CLIST(g->sn_clsessions), g->selection);
for(; i < 100; i++)
{
sprintf(buf1, "session %d", i);
sprintf(buf2, "session %d", i+1);
if((p = config_get(g->config, buf2, "name")) == NULL)
{
config_set(g->config, buf1, "name", NULL);
break;
}
config_set(g->config, buf1, "name", p);
config_set(g->config, buf1, "hostname",
config_get(g->config, buf2, "hostname"));
config_set(g->config, buf1, "username",
config_get(g->config, buf2, "username"));
}
}
static void gputty_on_load(GtkWidget * widget, gpointer data)
{
GPuTTY * g = data;
char buf[11];
char * p;
char * q;
int port;
if(g->selection < 0 || g->selection >= 100)
return;
sprintf(buf, "session %d", g->selection);
if((p = config_get(g->config, buf, "hostname")) == NULL)
gtk_entry_set_text(GTK_ENTRY(g->hn_ehostname), "");
else
gtk_entry_set_text(GTK_ENTRY(g->hn_ehostname), p);
if((p = config_get(g->config, buf, "username")) == NULL)
gtk_entry_set_text(GTK_ENTRY(g->hn_eusername), "");
else
gtk_entry_set_text(GTK_ENTRY(g->hn_eusername), p);
if((p = config_get(g->config, buf, "port")) == NULL)
{
gtk_spin_button_set_value(GTK_SPIN_BUTTON(g->hn_sport),
SSH_PORT);
return;
}
port = strtol(p, &q, 10);
if(*q == '\0' && port >= 0 && port <= 65535)
gtk_spin_button_set_value(GTK_SPIN_BUTTON(g->hn_sport), port);
}
static void gputty_on_options_cancel(GtkWidget * widget, gpointer data);
static void gputty_on_options_closex(GtkWidget * widget, GdkEvent * event, gpointer data);
static void gputty_on_options_ok(GtkWidget * widget, gpointer data);
static void gputty_on_options(GtkWidget * widget, gpointer data)
{
GPuTTY * g = data;
char * p;
if(g->op_window == NULL)
{
g->op_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_container_set_border_width(GTK_CONTAINER(g->op_window), 4);
gtk_window_set_title(GTK_WINDOW(g->op_window),
"GPuTTY Preferences");
g_signal_connect(G_OBJECT(g->op_window), "delete_event",
G_CALLBACK(gputty_on_options_closex), g);
g->op_vbox = gtk_vbox_new(FALSE, 0);
/* xterm */
g->op_hbox1 = gtk_hbox_new(TRUE, 0);
g->op_lxterm = gtk_label_new("Terminal emulator");
gtk_box_pack_start(GTK_BOX(g->op_hbox1), g->op_lxterm,
FALSE, FALSE, 0);
g->op_exterm = gtk_entry_new();
gtk_box_pack_start(GTK_BOX(g->op_hbox1), g->op_exterm,
FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(g->op_vbox), g->op_hbox1,
FALSE, FALSE, 0);
/* ssh */
g->op_hbox2 = gtk_hbox_new(TRUE, 0);
g->op_lssh = gtk_label_new("SSH client");
gtk_box_pack_start(GTK_BOX(g->op_hbox2), g->op_lssh,
FALSE, FALSE, 0);
g->op_essh = gtk_entry_new();
gtk_box_pack_start(GTK_BOX(g->op_hbox2), g->op_essh,
FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(g->op_vbox), g->op_hbox2,
FALSE, FALSE, 4);
/* buttons */
g->op_hbox3 = gtk_hbox_new(FALSE, 0);
g->op_ok = gtk_button_new_from_stock(GTK_STOCK_OK);
g_signal_connect(G_OBJECT(g->op_ok), "clicked",
G_CALLBACK(gputty_on_options_ok), g);
gtk_box_pack_end(GTK_BOX(g->op_hbox3), g->op_ok,
FALSE, FALSE, 0);
g->op_cancel = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
g_signal_connect(G_OBJECT(g->op_cancel), "clicked",
G_CALLBACK(gputty_on_options_cancel), g);
gtk_box_pack_end(GTK_BOX(g->op_hbox3), g->op_cancel,
FALSE, FALSE, 4);
gtk_box_pack_start(GTK_BOX(g->op_vbox), g->op_hbox3,
FALSE, FALSE, 0);
gtk_container_add(GTK_CONTAINER(g->op_window), g->op_vbox);
gtk_widget_show_all(g->op_window);
}
if((p = config_get(g->config, "", "xterm")) != NULL)
gtk_entry_set_text(GTK_ENTRY(g->op_exterm), p);
if((p = config_get(g->config, "", "ssh")) != NULL)
gtk_entry_set_text(GTK_ENTRY(g->op_essh), p);
gtk_widget_show(g->op_window);
}
static void gputty_on_options_cancel(GtkWidget * widget, gpointer data)
{
GPuTTY * g = data;
gtk_widget_hide(g->op_window);
}
static void gputty_on_options_closex(GtkWidget * widget, GdkEvent * event, gpointer data)
{
GPuTTY * g = data;
gtk_widget_hide(g->op_window);
}
static void gputty_on_options_ok(GtkWidget * widget, gpointer data)
{
GPuTTY * g = data;
gtk_widget_hide(g->op_window);
config_set(g->config, "", "xterm",
(void*)gtk_entry_get_text(GTK_ENTRY(g->op_exterm)));
config_set(g->config, "", "ssh",
(void*)gtk_entry_get_text(GTK_ENTRY(g->op_essh)));
}
static void gputty_on_quit(GtkWidget * widget, gpointer data)
{
GPuTTY * g = data;
char buf[11];
char * filename;
if(g->config == NULL)
{
fprintf(stderr, "%s", "gputty: not saving configuration\n");
gtk_main_quit();
return;
}
config_set(g->config, "", "hostname",
(void*)gtk_entry_get_text(GTK_ENTRY(g->hn_ehostname)));
config_set(g->config, "", "username",
(void*)gtk_entry_get_text(GTK_ENTRY(g->hn_eusername)));
sprintf(buf, "%d", gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(g->hn_sport)));
config_set(g->config, "", "port", buf);
if((filename = _gputty_config_file()) == NULL
|| config_save(g->config, filename) != 0)
{
fprintf(stderr, "%s%s", "gputty: an error occured while",
" saving configuration\n");
if(filename != NULL)
free(filename);
}
gtk_main_quit();
}
static void gputty_on_quitx(GtkWidget * widget, GdkEvent * event, gpointer data)
{
gputty_on_quit(widget, data);
}
static void gputty_on_save(GtkWidget * widget, gpointer data)
{
GPuTTY * g;
char const * session;
char const * hostname;
int port;
char const * username;
int row;
char buf[11];
char buf2[11];
g = data;
session = gtk_entry_get_text(GTK_ENTRY(g->sn_esessions));
if(session[0] == '\0')
return;
hostname = gtk_entry_get_text(GTK_ENTRY(g->hn_ehostname));
if(hostname[0] == '\0')
return;
username = gtk_entry_get_text(GTK_ENTRY(g->hn_eusername));
port = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(g->hn_sport));
if(g->selection == -1)
row = gtk_clist_append(GTK_CLIST(g->sn_clsessions),
(char**)&session);
else
{
row = g->selection;
gtk_clist_set_text(GTK_CLIST(g->sn_clsessions),
row, 0, session);
}
if(row >= 100 || row < 0)
return;
sprintf(buf, "session %d", row);
sprintf(buf2, "%d", port);
config_set(g->config, buf, "name", strdup(session));
config_set(g->config, buf, "hostname", strdup(hostname));
config_set(g->config, buf, "username", strdup(username));
config_set(g->config, buf, "port", strdup(buf2));
}
static void gputty_on_select(GtkWidget * widget, gint row, gint column, GdkEventButton *event, gpointer data)
{
GPuTTY * g = data;
g->selection = row;
}
static void gputty_on_unselect(GtkWidget * widget, gint row, gint column, GdkEventButton *event, gpointer data)
{
GPuTTY * g = data;
g->selection = -1;
}
/* main */
int main(int argc, char * argv[])
{
GPuTTY * gputty;
gtk_init(&argc, &argv);
if((gputty = gputty_new()) == NULL)
return 1;
gtk_main();
gputty_delete(gputty);
return 0;
}