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ssheven/ssheven.c

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/*
* ssheven
*
* Copyright (c) 2020 by cy384 <cy384@cy384.com>
* See LICENSE file for details
*/
#include "ssheven.h"
#include "ssheven-console.h"
#include "ssheven-net.h"
#include "ssheven-debug.h"
#include <Threads.h>
#include <MacMemory.h>
#include <Quickdraw.h>
#include <Fonts.h>
#include <Windows.h>
#include <Sound.h>
#include <Gestalt.h>
#include <Devices.h>
#include <Scrap.h>
#include <Controls.h>
#include <ControlDefinitions.h>
#include <stdio.h>
// sinful globals
struct ssheven_console con = { NULL, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, CLICK_SELECT, NULL, NULL };
struct ssheven_ssh_connection ssh_con = { NULL, NULL, kOTInvalidEndpointRef, NULL, NULL };
struct preferences prefs;
enum THREAD_COMMAND read_thread_command = WAIT;
enum THREAD_STATE read_thread_state = UNINTIALIZED;
const uint8_t ascii_to_control_code[256] = {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 27, 28, 29, 30, 31, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255};
// maps virtual keycodes to (hopefully) ascii characters
// this will probably be weird for non-letter keypresses
uint8_t keycode_to_ascii[256] = {0};
void generate_key_mapping(void)
{
// TODO this sucks
// gets the currently loaded keymap resource
// passes in the virtual keycode but without any previous state or modifiers
// ignores the second byte if we're currently using a multibyte lang
void* kchr = (void*)GetScriptManagerVariable(smKCHRCache);
for (uint16_t i = 0; i < 256; i++)
{
keycode_to_ascii[i] = KeyTranslate(kchr, i, 0) & 0xff;
}
}
void set_window_title(WindowPtr w, const char* c_name)
{
Str255 pascal_name;
strncpy((char *) &pascal_name[1], c_name, 254);
pascal_name[0] = strlen(c_name);
SetWTitle(w, pascal_name);
}
void set_terminal_string(void)
{
/*
* terminal type to send over ssh, determines features etc. some good options:
* "vanilla" supports basically nothing
* "vt100" just the basics
* "xterm" everything
* "xterm-mono" everything except color
* "xterm-16color" classic 16 ANSI colors only
*/
switch (prefs.display_mode)
{
case FASTEST:
prefs.terminal_string = "xterm-mono";
break;
case COLOR:
prefs.terminal_string = "xterm-16color";
break;
default:
prefs.terminal_string = SSHEVEN_DEFAULT_TERM_STRING;
break;
}
}
int save_prefs(void)
{
int ok = 1;
short foundVRefNum = 0;
long foundDirID = 0;
FSSpec pref_file;
short prefRefNum = 0;
OSType pref_type = 'SH7p';
OSType creator_type = 'SSH7';
// find the preferences folder on the system disk, create folder if needed
OSErr e = FindFolder(kOnSystemDisk, kPreferencesFolderType, kCreateFolder, &foundVRefNum, &foundDirID);
if (e != noErr) ok = 0;
// make an FSSpec for the new file we want to make
if (ok)
{
e = FSMakeFSSpec(foundVRefNum, foundDirID, PREFERENCES_FILENAME, &pref_file);
// if the file exists, delete it
if (e == noErr) FSpDelete(&pref_file);
// and then make it
e = FSpCreate(&pref_file, creator_type, pref_type, smSystemScript);
if (e != noErr) ok = 0;
}
// open the file
if (ok)
{
e = FSpOpenDF(&pref_file, fsRdWrPerm, &prefRefNum);
if (e != noErr) ok = 0;
}
// write prefs to the file
if (ok)
{
// TODO: choose buffer size more effectively
size_t write_length = 8192;
char* output_buffer = malloc(write_length);
memset(output_buffer, 0, write_length);
long int i = snprintf(output_buffer, write_length, "%d\n%d\n", prefs.major_version, prefs.minor_version);
i += snprintf(output_buffer+i, write_length-i, "%d\n%d\n%d\n%d\n%d\n", (int)prefs.auth_type, (int)prefs.display_mode, (int)prefs.fg_color, (int)prefs.bg_color, (int)prefs.font_size);
snprintf(output_buffer+i, prefs.hostname[0]+1, "%s", prefs.hostname+1); i += prefs.hostname[0];
i += snprintf(output_buffer+i, write_length-i, "\n");
snprintf(output_buffer+i, prefs.username[0]+1, "%s", prefs.username+1); i += prefs.username[0];
i += snprintf(output_buffer+i, write_length-i, "\n");
snprintf(output_buffer+i, prefs.port[0]+1, "%s", prefs.port+1); i += prefs.port[0];
i += snprintf(output_buffer+i, write_length-i, "\n");
if (prefs.privkey_path && prefs.privkey_path[0] != '\0')
{
i += snprintf(output_buffer+i, write_length-i, "%s\n%s\n", prefs.privkey_path, prefs.pubkey_path);
}
else
{
i += snprintf(output_buffer+i, write_length-i, "\n\n");
}
// tell it to write all bytes
long int bytes = i;
e = FSWrite(prefRefNum, &bytes, output_buffer);
// FSWrite sets bytes to the actual number of bytes written
if (e != noErr || (bytes != i)) ok = 0;
}
// close the file
if (prefRefNum != 0)
{
e = FSClose(prefRefNum);
if (e != noErr) ok = 0;
}
return ok;
}
// check if the main device is black and white
int detect_color_screen(void)
{
return TestDeviceAttribute(GetMainDevice(), gdDevType);
}
void init_prefs(void)
{
// initialize everything to a safe default
prefs.major_version = SSHEVEN_VERSION_MAJOR;
prefs.minor_version = SSHEVEN_VERSION_MINOR;
memset(&(prefs.hostname), 0, 512);
memset(&(prefs.username), 0, 256);
memset(&(prefs.password), 0, 256);
memset(&(prefs.port), 0, 256);
// default port: 22
prefs.port[0] = 2;
prefs.port[1] = '2';
prefs.port[2] = '2';
prefs.pubkey_path = "";
prefs.privkey_path = "";
prefs.terminal_string = SSHEVEN_DEFAULT_TERM_STRING;
prefs.auth_type = USE_PASSWORD;
prefs.display_mode = detect_color_screen() ? COLOR : FASTEST;
prefs.fg_color = blackColor;
prefs.bg_color = whiteColor;
prefs.font_size = 9;
prefs.loaded_from_file = 0;
}
void load_prefs(void)
{
// now try to load preferences from the file
short foundVRefNum = 0;
long foundDirID = 0;
FSSpec pref_file;
short prefRefNum = 0;
// find the preferences folder on the system disk
OSErr e = FindFolder(kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder, &foundVRefNum, &foundDirID);
if (e != noErr) return;
// make an FSSpec for the preferences file location and check if it exists
// TODO: if I just put PREFERENCES_FILENAME it doesn't work, wtf
e = FSMakeFSSpec(foundVRefNum, foundDirID, "\pssheven Preferences", &pref_file);
if (e == fnfErr) // file not found, nothing to load
{
return;
}
else if (e != noErr) return;
e = FSpOpenDF(&pref_file, fsCurPerm, &prefRefNum);
if (e != noErr) return;
// actually read and parse the file
long int buffer_size = 8192;
char* buffer = NULL;
buffer = malloc(buffer_size);
prefs.privkey_path = malloc(2048);
prefs.pubkey_path = malloc(2048);
prefs.pubkey_path[0] = '\0';
prefs.privkey_path[0] = '\0';
e = FSRead(prefRefNum, &buffer_size, buffer);
e = FSClose(prefRefNum);
// check the version (first two numbers)
int items_got = sscanf(buffer, "%d\n%d", &prefs.major_version, &prefs.minor_version);
if (items_got != 2) return;
// only load a prefs file if the saved version number matches ours
if ((prefs.major_version == SSHEVEN_VERSION_MAJOR) && (prefs.minor_version == SSHEVEN_VERSION_MINOR))
{
prefs.loaded_from_file = 1;
items_got = sscanf(buffer, "%d\n%d\n%d\n%d\n%d\n%d\n%d\n%255[^\n]\n%255[^\n]\n%255[^\n]\n%[^\n]\n%[^\n]", &prefs.major_version, &prefs.minor_version, (int*)&prefs.auth_type, (int*)&prefs.display_mode, &prefs.fg_color, &prefs.bg_color, &prefs.font_size, prefs.hostname+1, prefs.username+1, prefs.port+1, prefs.privkey_path, prefs.pubkey_path);
// add the size for the pascal strings
prefs.hostname[0] = (unsigned char)strlen(prefs.hostname+1);
prefs.username[0] = (unsigned char)strlen(prefs.username+1);
prefs.port[0] = (unsigned char)strlen(prefs.port+1);
set_terminal_string();
}
else
{
prefs.major_version = SSHEVEN_VERSION_MAJOR;
prefs.minor_version = SSHEVEN_VERSION_MINOR;
}
if (buffer) free(buffer);
}
// borrowed from Retro68 sample code
// draws the "default" indicator around a button
pascal void ButtonFrameProc(DialogRef dlg, DialogItemIndex itemNo)
{
DialogItemType type;
Handle itemH;
Rect box;
GetDialogItem(dlg, 1, &type, &itemH, &box);
InsetRect(&box, -4, -4);
PenSize(3, 3);
FrameRoundRect(&box, 16, 16);
}
void display_about_box(void)
{
DialogRef about = GetNewDialog(DLOG_ABOUT, 0, (WindowPtr)-1);
UpdateDialog(about, about->visRgn);
while (!Button()) YieldToAnyThread();
while (Button()) YieldToAnyThread();
FlushEvents(everyEvent, 0);
DisposeWindow(about);
}
void ssh_paste(void)
{
// GetScrap requires a handle, not a raw buffer
// it will increase the size of the handle if needed
Handle buf = NewHandle(256);
int r = GetScrap(buf, 'TEXT', 0);
if (r > 0)
{
ssh_write(*buf, r);
}
DisposeHandle(buf);
}
void ssh_copy(void)
{
char* selection = NULL;
size_t len = get_selection(&selection);
if (selection == NULL || len == 0) return;
OSErr e = ZeroScrap();
if (e != noErr) printf_i("Failed to ZeroScrap!");
e = PutScrap(len, 'TEXT', selection);
if (e != noErr) printf_i("Failed to PutScrap!");
}
int qd_color_to_menu_item(int qd_color)
{
switch (qd_color)
{
case blackColor: return 1;
case redColor: return 2;
case greenColor: return 3;
case yellowColor: return 4;
case blueColor: return 5;
case magentaColor: return 6;
case cyanColor: return 7;
case whiteColor: return 8;
default: return 1;
}
}
int menu_item_to_qd_color(int menu_item)
{
switch (menu_item)
{
case 1: return blackColor;
case 2: return redColor;
case 3: return greenColor;
case 4: return yellowColor;
case 5: return blueColor;
case 6: return magentaColor;
case 7: return cyanColor;
case 8: return whiteColor;
default: return 1;
}
}
int font_size_to_menu_item(int font_size)
{
switch (font_size)
{
case 9: return 1;
case 10: return 2;
case 12: return 3;
case 14: return 4;
case 18: return 5;
case 24: return 6;
case 36: return 7;
default: return 1;
}
}
int menu_item_to_font_size(int menu_item)
{
switch (menu_item)
{
case 1: return 9;
case 2: return 10;
case 3: return 12;
case 4: return 14;
case 5: return 18;
case 6: return 24;
case 7: return 36;
default: return 9;
}
}
void preferences_window(void)
{
// modal dialog setup
TEInit();
InitDialogs(NULL);
DialogPtr dlg = GetNewDialog(DLOG_PREFERENCES, 0, (WindowPtr)-1);
InitCursor();
// select all text in dialog item 4 (the hostname one)
//SelectDialogItemText(dlg, 4, 0, 32767);
DialogItemType type;
Handle itemH;
Rect box;
// draw default button indicator around the connect button
GetDialogItem(dlg, 2, &type, &itemH, &box);
SetDialogItem(dlg, 2, type, (Handle)NewUserItemUPP(&ButtonFrameProc), &box);
// get the handles for each menu, set to current prefs value
ControlHandle term_type_menu;
GetDialogItem(dlg, 6, &type, &itemH, &box);
term_type_menu = (ControlHandle)itemH;
SetControlValue(term_type_menu, prefs.display_mode + 1);
ControlHandle bg_color_menu;
GetDialogItem(dlg, 7, &type, &itemH, &box);
bg_color_menu = (ControlHandle)itemH;
SetControlValue(bg_color_menu, qd_color_to_menu_item(prefs.bg_color));
ControlHandle fg_color_menu;
GetDialogItem(dlg, 8, &type, &itemH, &box);
fg_color_menu = (ControlHandle)itemH;
SetControlValue(fg_color_menu, qd_color_to_menu_item(prefs.fg_color));
ControlHandle font_size_menu;
GetDialogItem(dlg, 10, &type, &itemH, &box);
font_size_menu = (ControlHandle)itemH;
SetControlValue(font_size_menu, font_size_to_menu_item(prefs.font_size));
// let the modalmanager do everything
// stop on ok or cancel
short item;
do {
ModalDialog(NULL, &item);
} while(item != 1 && item != 11);
// save if OK'd
if (item == 1)
{
// read menu values into prefs
prefs.display_mode = GetControlValue(term_type_menu) - 1;
// TODO: don't save colors, make it take effect immediately
int save_bg = prefs.bg_color;
int save_fg = prefs.fg_color;
prefs.bg_color = menu_item_to_qd_color(GetControlValue(bg_color_menu));
prefs.fg_color = menu_item_to_qd_color(GetControlValue(fg_color_menu));
int new_font_size = menu_item_to_font_size(GetControlValue(font_size_menu));
// resize window if font size changed
if (new_font_size != prefs.font_size)
{
prefs.font_size = new_font_size;
font_size_change();
}
save_prefs();
prefs.bg_color = save_bg;
prefs.fg_color = save_fg;
// TODO: make this actually fix all colors in vterm
update_console_colors();
}
// clean it up
DisposeDialog(dlg);
FlushEvents(everyEvent, -1);
}
// returns 1 if quit selected, else 0
int process_menu_select(int32_t result)
{
int exit = 0;
int16_t menu = (result & 0xFFFF0000) >> 16;
int16_t item = (result & 0x0000FFFF);
Str255 name;
switch (menu)
{
case MENU_APPLE:
if (item == 1)
{
display_about_box();
}
else
{
GetMenuItemText(GetMenuHandle(menu), item, name);
OpenDeskAcc(name);
}
break;
case MENU_FILE:
if (item == 1) preferences_window();
if (item == 3) exit = 1;
break;
case MENU_EDIT:
if (item == 4) ssh_copy();
if (item == 5) ssh_paste();
break;
default:
break;
}
HiliteMenu(0);
return exit;
}
void resize_con_window(WindowPtr eventWin, EventRecord event)
{
clear_selection();
// TODO: put this somewhere else
// limits on window size
// top = min vertical
// bottom = max vertical
// left = min horizontal
// right = max horizontal
Rect window_limits = { .top = con.cell_height*2 + 2,
.bottom = con.cell_height*100 + 2,
.left = con.cell_width*10 + 4,
.right = con.cell_width*200 + 4 };
long growResult = GrowWindow(eventWin, event.where, &window_limits);
if (growResult != 0)
{
int height = growResult >> 16;
int width = growResult & 0xFFFF;
// 'snap' to a size that won't have extra pixels not in a cell
int next_height = height - ((height - 4) % con.cell_height);
int next_width = width - ((width - 4) % con.cell_width);
SizeWindow(eventWin, next_width, next_height, true);
EraseRect(&(con.win->portRect));
InvalRect(&(con.win->portRect));
con.size_x = (next_width - 4)/con.cell_width;
con.size_y = (next_height - 2)/con.cell_height;
vterm_set_size(con.vterm, con.size_y, con.size_x);
libssh2_channel_request_pty_size(ssh_con.channel, con.size_x, con.size_y);
}
}
int handle_keypress(EventRecord* event)
{
unsigned char c = event->message & charCodeMask;
// if we have a key and command, and it's not autorepeating
if (c && event->what != autoKey && event->modifiers & cmdKey)
{
switch (c)
{
case 'q':
return 1;
break;
case 'v':
ssh_paste();
break;
case 'c':
ssh_copy();
break;
default:
break;
}
}
else if (c)
{
// get the unmodified version of the keypress
uint8_t unmodified_key = keycode_to_ascii[(event->message & keyCodeMask)>>8];
// if we have a control code for this key
if (event->modifiers & controlKey && ascii_to_control_code[unmodified_key] != 255)
{
ssh_con.send_buffer[0] = ascii_to_control_code[unmodified_key];
ssh_write(ssh_con.send_buffer, 1);
}
else
{
// manually send an escape if we have alt option held
if (event->modifiers & optionKey)
{
ssh_con.send_buffer[0] = '\e';
ssh_write(ssh_con.send_buffer, 1);
}
if (key_to_vterm[c] != VTERM_KEY_NONE)
{
// doesn't seem like vterm does modifiers properly, so don't bother
vterm_keyboard_key(con.vterm, key_to_vterm[c], VTERM_MOD_NONE);
}
else
{
ssh_con.send_buffer[0] = event->modifiers & optionKey ? unmodified_key : c;
ssh_write(ssh_con.send_buffer, 1);
}
}
}
return 0;
}
void event_loop(void)
{
int exit_event_loop = 0;
EventRecord event;
WindowPtr eventWin;
Point local_mouse_position;
// maximum length of time to sleep (in ticks)
// GetCaretTime gets the number of ticks between system caret on/off time
long int sleep_time = GetCaretTime() / 4;
do
{
// wait to get a GUI event
while (!WaitNextEvent(everyEvent, &event, sleep_time, NULL))
{
YieldToAnyThread();
check_cursor();
BeginUpdate(con.win);
draw_screen(&(con.win->portRect));
EndUpdate(con.win);
}
// might need to toggle our cursor even if we got an event
check_cursor();
// handle any GUI events
switch (event.what)
{
case updateEvt:
eventWin = (WindowPtr)event.message;
BeginUpdate(eventWin);
draw_screen(&(eventWin->portRect));
EndUpdate(eventWin);
break;
case keyDown:
case autoKey: // autokey means we're repeating a held down key event
exit_event_loop = handle_keypress(&event);
break;
case mouseDown:
switch(FindWindow(event.where, &eventWin))
{
case inDrag:
// allow the window to be dragged anywhere on any monitor
// hmmm... which of these is better???
DragWindow(eventWin, event.where, &(*(GetGrayRgn()))->rgnBBox);
// DragWindow(eventWin, event.where, &(*qd.thePort->visRgn)->rgnBBox);
break;
case inGrow:
resize_con_window(eventWin, event);
break;
case inGoAway:
{
if (TrackGoAway(eventWin, event.where))
exit_event_loop = 1;
}
break;
case inMenuBar:
exit_event_loop = process_menu_select(MenuSelect(event.where));
break;
case inSysWindow:
// is this system6 relevant only???
SystemClick(&event, eventWin);
break;
case inContent:
GetMouse(&local_mouse_position);
mouse_click(local_mouse_position, true);
break;
}
break;
case mouseUp:
// only tell the console to lift the mouse if we clicked through it
if (con.mouse_state)
{
GetMouse(&local_mouse_position);
mouse_click(local_mouse_position, false);
}
break;
}
YieldToAnyThread();
} while (!exit_event_loop);
}
// from the ATS password sample code
pascal Boolean TwoItemFilter(DialogPtr dlog, EventRecord *event, short *itemHit)
{
DialogPtr evtDlog;
short selStart, selEnd;
long unsigned ticks;
Handle itemH;
DialogItemType type;
Rect box;
// TODO: this should be declared somewhere? include it?
int kVisualDelay = 8;
if (event->what == keyDown || event->what == autoKey)
{
char c = event->message & charCodeMask;
switch (c)
{
case kEnterCharCode: // select the ok button
case kReturnCharCode: // we have to manually blink it...
case kLineFeedCharCode:
GetDialogItem(dlog, 1, &type, &itemH, &box);
HiliteControl((ControlHandle)(itemH), kControlButtonPart);
Delay(kVisualDelay, &ticks);
HiliteControl((ControlHandle)(itemH), 1);
*itemHit = 1;
return true;
case kTabCharCode: // cancel out tab events
event->what = nullEvent;
return false;
case kEscapeCharCode: // hit cancel on esc or cmd-period
case '.':
if ((event->modifiers & cmdKey) || c == kEscapeCharCode)
{
GetDialogItem(dlog, 6, &type, &itemH, &box);
HiliteControl((ControlHandle)(itemH), kControlButtonPart);
Delay(kVisualDelay, &ticks);
HiliteControl((ControlHandle)(itemH), 6);
*itemHit = 6;
return true;
}
__attribute__ ((fallthrough)); // fall through in case of a plain '.'
default: // TODO: this is dumb and assumes everything else is a valid text character
selStart = (**((DialogPeek)dlog)->textH).selStart; // Get the selection in the visible item
selEnd = (**((DialogPeek)dlog)->textH).selEnd;
SelectDialogItemText(dlog, 5, selStart, selEnd); // Select text in invisible item
DialogSelect(event, &evtDlog, itemHit); // Input key
SelectDialogItemText(dlog, 4, selStart, selEnd); // Select same area in visible item
if ((event->message & charCodeMask) != kBackspaceCharCode) // If it's not a backspace (backspace is the only key that can affect both the text and the selection- thus we need to process it in both fields, but not change it for the hidden field.
event->message = 0xa5; // Replace with character to use (the bullet)
DialogSelect(event, &evtDlog, itemHit); // Put in fake character
return true;
case kLeftArrowCharCode:
case kRightArrowCharCode:
case kUpArrowCharCode:
case kDownArrowCharCode:
case kHomeCharCode:
case kEndCharCode:
return false; // don't handle them
}
}
return false; // pass on other (non-keypress) events
}
// from the ATS password sample code
// 1 for ok, 0 for cancel
int password_dialog(int dialog_resource)
{
int ret = 1;
DialogPtr dlog;
Handle itemH;
short item;
Rect box;
DialogItemType type;
dlog = GetNewDialog(dialog_resource, 0, (WindowPtr) - 1);
// draw default button indicator around the connect button
GetDialogItem(dlog, 2, &type, &itemH, &box);
SetDialogItem(dlog, 2, type, (Handle)NewUserItemUPP(&ButtonFrameProc), &box);
do {
ModalDialog(NewModalFilterUPP(TwoItemFilter), &item);
} while (item != 1 && item != 6); // until OK or cancel
if (6 == item) ret = 0;
// read out of the hidden text box
GetDialogItem(dlog, 5, &type, &itemH, &box);
GetDialogItemText(itemH, (unsigned char*)prefs.password);
prefs.auth_type = USE_PASSWORD;
DisposeDialog(dlog);
return ret;
}
// derived from More Files sample code
OSErr
FSpPathFromLocation(
FSSpec *spec, /* The location we want a path for. */
int *length, /* Length of the resulting path. */
Handle *fullPath) /* Handle to path. */
{
OSErr err;
FSSpec tempSpec;
CInfoPBRec pb;
*fullPath = NULL;
/*
* Make a copy of the input FSSpec that can be modified.
*/
BlockMoveData(spec, &tempSpec, sizeof(FSSpec));
if (tempSpec.parID == fsRtParID) {
/*
* The object is a volume. Add a colon to make it a full
* pathname. Allocate a handle for it and we are done.
*/
tempSpec.name[0] += 2;
tempSpec.name[tempSpec.name[0] - 1] = ':';
tempSpec.name[tempSpec.name[0]] = '\0';
err = PtrToHand(&tempSpec.name[1], fullPath, tempSpec.name[0]);
} else {
/*
* The object isn't a volume. Is the object a file or a directory?
*/
pb.dirInfo.ioNamePtr = tempSpec.name;
pb.dirInfo.ioVRefNum = tempSpec.vRefNum;
pb.dirInfo.ioDrDirID = tempSpec.parID;
pb.dirInfo.ioFDirIndex = 0;
err = PBGetCatInfoSync(&pb);
if ((err == noErr) || (err == fnfErr)) {
/*
* If the file doesn't currently exist we start over. If the
* directory exists everything will work just fine. Otherwise we
* will just fail later. If the object is a directory, append a
* colon so full pathname ends with colon.
*/
if (err == fnfErr) {
BlockMoveData(spec, &tempSpec, sizeof(FSSpec));
} else if ( (pb.hFileInfo.ioFlAttrib & ioDirMask) != 0 ) {
tempSpec.name[0] += 1;
tempSpec.name[tempSpec.name[0]] = ':';
}
/*
* Create a new Handle for the object - make it a C string
*/
tempSpec.name[0] += 1;
tempSpec.name[tempSpec.name[0]] = '\0';
err = PtrToHand(&tempSpec.name[1], fullPath, tempSpec.name[0]);
if (err == noErr) {
/*
* Get the ancestor directory names - loop until we have an
* error or find the root directory.
*/
pb.dirInfo.ioNamePtr = tempSpec.name;
pb.dirInfo.ioVRefNum = tempSpec.vRefNum;
pb.dirInfo.ioDrParID = tempSpec.parID;
do {
pb.dirInfo.ioFDirIndex = -1;
pb.dirInfo.ioDrDirID = pb.dirInfo.ioDrParID;
err = PBGetCatInfoSync(&pb);
if (err == noErr) {
/*
* Append colon to directory name and add
* directory name to beginning of fullPath
*/
++tempSpec.name[0];
tempSpec.name[tempSpec.name[0]] = ':';
(void) Munger(*fullPath, 0, NULL, 0, &tempSpec.name[1],
tempSpec.name[0]);
err = MemError();
}
} while ( (err == noErr) && (pb.dirInfo.ioDrDirID != fsRtDirID) );
}
}
}
/*
* On error Dispose the handle, set it to NULL & return the err.
* Otherwise, set the length & return.
*/
if (err == noErr) {
*length = GetHandleSize(*fullPath) - 1;
} else {
if ( *fullPath != NULL ) {
DisposeHandle(*fullPath);
}
*fullPath = NULL;
*length = 0;
}
return err;
}
int key_dialog(void)
{
Handle full_path = NULL;
int path_length = 0;
// if we don't have a saved pubkey path, ask for one
if (prefs.pubkey_path == NULL || prefs.pubkey_path[0] == '\0')
{
NoteAlert(ALRT_PUBKEY, nil);
StandardFileReply pubkey;
StandardGetFile(NULL, 0, NULL, &pubkey);
FSpPathFromLocation(&pubkey.sfFile, &path_length, &full_path);
prefs.pubkey_path = malloc(path_length+1);
strncpy(prefs.pubkey_path, (char*)(*full_path), path_length+1);
DisposeHandle(full_path);
// if the user hit cancel, 0
if (!pubkey.sfGood) return 0;
}
path_length = 0;
full_path = NULL;
// if we don't have a saved privkey path, ask for one
if (prefs.privkey_path == NULL || prefs.privkey_path[0] == '\0')
{
NoteAlert(ALRT_PRIVKEY, nil);
StandardFileReply privkey;
StandardGetFile(NULL, 0, NULL, &privkey);
FSpPathFromLocation(&privkey.sfFile, &path_length, &full_path);
prefs.privkey_path = malloc(path_length+1);
strncpy(prefs.privkey_path, (char*)(*full_path), path_length+1);
DisposeHandle(full_path);
// if the user hit cancel, 0
if (!privkey.sfGood) return 0;
}
// get the key decryption password
if (!password_dialog(DLOG_KEY_PASSWORD)) return 0;
prefs.auth_type = USE_KEY;
return 1;
}
int intro_dialog(void)
{
// modal dialog setup
TEInit();
InitDialogs(NULL);
DialogPtr dlg = GetNewDialog(DLOG_CONNECT, 0, (WindowPtr)-1);
InitCursor();
DialogItemType type;
Handle itemH;
Rect box;
// draw default button indicator around the connect button
GetDialogItem(dlg, 2, &type, &itemH, &box);
SetDialogItem(dlg, 2, type, (Handle)NewUserItemUPP(&ButtonFrameProc), &box);
// get the handles for each of the text boxes, and load preference data in
ControlHandle address_text_box;
GetDialogItem(dlg, 4, &type, &itemH, &box);
address_text_box = (ControlHandle)itemH;
SetDialogItemText((Handle)address_text_box, (ConstStr255Param)prefs.hostname);
// select all text in hostname dialog item
SelectDialogItemText(dlg, 4, 0, 32767);
ControlHandle port_text_box;
GetDialogItem(dlg, 5, &type, &itemH, &box);
port_text_box = (ControlHandle)itemH;
SetDialogItemText((Handle)port_text_box, (ConstStr255Param)prefs.port);
ControlHandle username_text_box;
GetDialogItem(dlg, 7, &type, &itemH, &box);
username_text_box = (ControlHandle)itemH;
SetDialogItemText((Handle)username_text_box, (ConstStr255Param)prefs.username);
ControlHandle password_radio;
GetDialogItem(dlg, 9, &type, &itemH, &box);
password_radio = (ControlHandle)itemH;
SetControlValue(password_radio, 0);
ControlHandle key_radio;
GetDialogItem(dlg, 10, &type, &itemH, &box);
key_radio = (ControlHandle)itemH;
SetControlValue(key_radio, 0);
// recall last-used connection type
if (prefs.auth_type == USE_PASSWORD)
{
SetControlValue(password_radio, 1);
}
else
{
SetControlValue(key_radio, 1);
}
// let the modalmanager do everything
// stop when the connect button is hit
short item;
do {
ModalDialog(NULL, &item);
if (item == 9)
{
SetControlValue(key_radio, 0);
SetControlValue(password_radio, 1);
}
else if (item == 10)
{
SetControlValue(key_radio, 1);
SetControlValue(password_radio, 0);
}
} while(item != 1 && item != 8);
// copy the text out of the boxes
GetDialogItemText((Handle)address_text_box, (unsigned char *)prefs.hostname);
GetDialogItemText((Handle)username_text_box, (unsigned char *)prefs.username);
GetDialogItemText((Handle)port_text_box, (unsigned char *)prefs.hostname+prefs.hostname[0]+1);
prefs.hostname[prefs.hostname[0]+1] = ':';
char* port_start = prefs.hostname+prefs.hostname[0] + 2;
prefs.port[0] = strlen(port_start);
strncpy(prefs.port+1, port_start, 255);
int use_password = GetControlValue(password_radio);
// clean it up
DisposeDialog(dlg);
FlushEvents(everyEvent, -1);
// if we hit cancel, 0
if (item == 8) return 0;
if (use_password)
{
return password_dialog(DLOG_PASSWORD);
}
else
{
return key_dialog();
}
}
int safety_checks(void)
{
OSStatus err = noErr;
// check for thread manager
long int thread_manager_gestalt = 0;
err = Gestalt(gestaltThreadMgrAttr, &thread_manager_gestalt);
// bit one is prescence of thread manager
if (err != noErr || (thread_manager_gestalt & (1 << gestaltThreadMgrPresent)) == 0)
{
StopAlert(ALRT_TM, nil);
printf_i("Thread Manager not available!\r\n");
return 0;
}
// check for Open Transport
// for some reason, the docs say you shouldn't check for OT via the gestalt
// in an application, and should just try to init, but checking seems more
// user-friendly, so...
long int open_transport_any_version = 0;
long int open_transport_new_version = 0;
err = Gestalt(gestaltOpenTpt, &open_transport_any_version);
if (err != noErr)
{
printf_i("Failed to check for Open Transport!\r\n");
return 0;
}
err = Gestalt(gestaltOpenTptVersions, &open_transport_new_version);
if (err != noErr)
{
printf_i("Failed to check for Open Transport!\r\n");
return 0;
}
if (open_transport_any_version == 0 && open_transport_new_version == 0)
{
printf_i("Open Transport required but not found!\r\n");
StopAlert(ALRT_OT, nil);
return 0;
}
if (open_transport_any_version != 0 && open_transport_new_version == 0)
{
printf_i("Early version of Open Transport detected!");
printf_i(" Attempting to continue anyway.\r\n");
}
/*NumVersion* ot_version = (NumVersion*) &open_transport_new_version;
printf_i("Detected Open Transport version: %d.%d.%d\r\n",
(int)ot_version->majorRev,
(int)((ot_version->minorAndBugRev & 0xF0) >> 4),
(int)(ot_version->minorAndBugRev & 0x0F));*/
// check for CPU type and display warning if it's going to be too slow
long int cpu_type = 0;
int cpu_slow = 0;
int cpu_bad = 0;
err = Gestalt(gestaltNativeCPUtype, &cpu_type);
if (err != noErr || cpu_type == 0)
{
// earlier than 7.5, need to use other gestalt
err = Gestalt(gestaltProcessorType, &cpu_type);
if (err != noErr || cpu_type == 0)
{
cpu_slow = 1;
printf_i("Failed to detect CPU type, continuing anyway.\r\n");
}
else
{
if (cpu_type <= gestalt68010) cpu_bad = 1;
if (cpu_type <= gestalt68020) cpu_slow = 1;
}
}
else
{
if (cpu_type <= gestaltCPU68010) cpu_bad = 1;
if (cpu_type <= gestaltCPU68020) cpu_slow = 1;
}
// if we don't have at least a 68020, stop
if (cpu_bad)
{
StopAlert(ALRT_CPU_BAD, nil);
return 0;
}
// if we don't have at least a 68030, warn
if (cpu_slow)
{
CautionAlert(ALRT_CPU_SLOW, nil);
}
return 1;
}
int main(int argc, char** argv)
{
OSStatus err = noErr;
// expands the application heap to its maximum requested size
// supposedly good for performance
// also required before creating threads!
MaxApplZone();
// "Call the MoreMasters procedure several times at the beginning of your program"
MoreMasters();
MoreMasters();
// set default preferences, then load from preferences file if possible
init_prefs();
load_prefs();
// general gui setup
InitGraf(&qd.thePort);
InitFonts();
InitWindows();
InitMenus();
void* menu = GetNewMBar(MBAR_SSHEVEN);
SetMenuBar(menu);
AppendResMenu(GetMenuHandle(MENU_APPLE), 'DRVR');
// disable stuff in edit menu until we implement it
menu = GetMenuHandle(MENU_EDIT);
DisableItem(menu, 1);
DisableItem(menu, 3);
//DisableItem(menu, 4);
DisableItem(menu, 5);
DisableItem(menu, 6);
DisableItem(menu, 7);
DisableItem(menu, 9);
DrawMenuBar();
generate_key_mapping();
console_setup();
char* logo = " _____ _____ _ _\r\n"
" / ____/ ____| | | |\r\n"
" | (___| (___ | |__| | _____ _____ _ __\r\n"
" \\___ \\\\___ \\| __ |/ _ \\ \\ / / _ \\ '_ \\\r\n"
" ____) |___) | | | | __/\\ V / __/ | | |\r\n"
" |_____/_____/|_| |_|\\___| \\_/ \\___|_| |_|\r\n";
printf_i(logo);
printf_i("by cy384, version " SSHEVEN_VERSION ", running in ");
#if defined(__ppc__)
printf_i("PPC mode.\r\n");
#else
printf_i("68k mode.\r\n");
#endif
BeginUpdate(con.win);
draw_screen(&(con.win->portRect));
EndUpdate(con.win);
int ok = 1;
ok = safety_checks();
BeginUpdate(con.win);
draw_screen(&(con.win->portRect));
EndUpdate(con.win);
ok = intro_dialog();
if (!ok) printf_i("Cancelled, not connecting.\r\n");
if (ok)
{
if (InitOpenTransport() != noErr)
{
printf_i("Failed to initialize Open Transport.\r\n");
ok = 0;
}
}
if (ok)
{
ssh_con.recv_buffer = OTAllocMem(SSHEVEN_BUFFER_SIZE);
ssh_con.send_buffer = OTAllocMem(SSHEVEN_BUFFER_SIZE);
if (ssh_con.recv_buffer == NULL || ssh_con.send_buffer == NULL)
{
printf_i("Failed to allocate network data buffers.\r\n");
ok = 0;
}
}
// create the network read/print thread
read_thread_command = WAIT;
ThreadID read_thread_id = 0;
if (ok)
{
err = NewThread(kCooperativeThread, read_thread, NULL, 100000, kCreateIfNeeded, NULL, &read_thread_id);
if (err < 0)
{
printf_i("Failed to create network read thread.\r\n");
ok = 0;
}
}
// if we got the thread, tell it to begin operation
if (ok) read_thread_command = READ;
// procede into our main event loop
event_loop();
// tell the read thread to finish, then let it run to actually do so
read_thread_command = EXIT;
if (read_thread_state != UNINTIALIZED)
{
while (read_thread_state != DONE)
{
BeginUpdate(con.win);
draw_screen(&(con.win->portRect));
EndUpdate(con.win);
YieldToAnyThread();
}
}
if (ssh_con.recv_buffer != NULL) OTFreeMem(ssh_con.recv_buffer);
if (ssh_con.send_buffer != NULL) OTFreeMem(ssh_con.send_buffer);
if (prefs.pubkey_path != NULL && prefs.pubkey_path[0] != '\0') free(prefs.pubkey_path);
if (prefs.privkey_path != NULL && prefs.privkey_path[0] != '\0') free(prefs.privkey_path);
if (con.vterm != NULL) vterm_free(con.vterm);
if (ssh_con.endpoint != kOTInvalidEndpointRef)
{
err = OTCancelSynchronousCalls(ssh_con.endpoint, kOTCanceledErr);
CloseOpenTransport();
}
}
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