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snes9x
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String bounds-checking.

This commit is contained in:
Brandon Wright 2018-11-17 18:41:37 -06:00
parent 7bb5b00504
commit 600de05244
8 changed files with 39 additions and 49 deletions
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12
controls.cpp
View File

@ -2282,11 +2282,11 @@ void S9xApplyCommand (s9xcommand_t cmd, int16 data1, int16 data2)
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], def[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
_splitpath(Memory.ROMFilename, drive, dir, def, ext);
snprintf(filename, PATH_MAX + 1, "%s%s%s.%.*s", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, def, _MAX_EXT - 1, "oops");
ssnprintf(filename, PATH_MAX + 1, "%s%s%s.%.*s", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, def, _MAX_EXT - 1, "oops");
if (S9xUnfreezeGame(filename))
{
snprintf(buf, 256, "%s.%.*s loaded", def, _MAX_EXT - 1, "oops");
ssnprintf(buf, 256, "%s.%.*s loaded", def, _MAX_EXT - 1, "oops");
S9xSetInfoString (buf);
}
else
@ -2319,11 +2319,11 @@ void S9xApplyCommand (s9xcommand_t cmd, int16 data1, int16 data2)
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], def[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
_splitpath(Memory.ROMFilename, drive, dir, def, ext);
snprintf(filename, PATH_MAX + 1, "%s%s%s.%03d", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, def, i - QuickLoad000);
ssnprintf(filename, PATH_MAX + 1, "%s%s%s.%03d", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, def, i - QuickLoad000);
if (S9xUnfreezeGame(filename))
{
snprintf(buf, 256, "%s.%03d loaded", def, i - QuickLoad000);
ssnprintf(buf, 256, "%s.%03d loaded", def, i - QuickLoad000);
S9xSetInfoString(buf);
}
else
@ -2348,9 +2348,9 @@ void S9xApplyCommand (s9xcommand_t cmd, int16 data1, int16 data2)
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], def[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
_splitpath(Memory.ROMFilename, drive, dir, def, ext);
snprintf(filename, PATH_MAX + 1, "%s%s%s.%03d", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, def, i - QuickSave000);
ssnprintf(filename, PATH_MAX + 1, "%s%s%s.%03d", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, def, i - QuickSave000);
snprintf(buf, 256, "%s.%03d saved", def, i - QuickSave000);
ssnprintf(buf, 256, "%s.%03d saved", def, i - QuickSave000);
S9xSetInfoString(buf);
S9xFreezeGame(filename);

48
gtk/src/gtk_file.cpp
View File

@ -15,17 +15,21 @@ static char buf[PATH_MAX];
const char *
S9xChooseMovieFilename (bool8 read_only)
{
if (!gui_config->rom_loaded)
return strdup ("");
static char path[PATH_MAX];
return top_level->open_movie_dialog (read_only);
if (!gui_config->rom_loaded)
return "";
const char *str = top_level->open_movie_dialog (read_only);
strcpy (path, str);
return path;
}
const char *
S9xChooseFilename (bool8 read_only)
{
return strdup ("");
return "";
}
/* _splitpath/_makepath: Modified from unix.cpp. See file for credits. */
@ -120,8 +124,7 @@ S9xGetFilenameInc (const char *e, enum s9x_getdirtype dirtype)
do
{
snprintf (filename, sizeof (filename),
"%s" SLASH_STR "%s%03d%s", d, fname, i, e);
ssnprintf (filename, PATH_MAX, "%s" SLASH_STR "%s%03d%s", d, fname, i, e);
i++;
}
while (stat (filename, &buf) == 0 && i != 0); /* Overflow? ...riiight :-) */
@ -211,7 +214,7 @@ S9xGetFilename (const char *ex, enum s9x_getdirtype dirtype)
_splitpath (Memory.ROMFilename, drive, dir, fname, ext);
snprintf (filename, sizeof (filename), "%s" SLASH_STR "%s%s",
ssnprintf (filename, sizeof (filename), "%s" SLASH_STR "%s%s",
S9xGetDirectory (dirtype), fname, ex);
return (filename);
@ -360,21 +363,6 @@ void S9xCloseSnapshotFile (STREAM file)
#endif
}
extern "C"
{
uint8 snes9x_clear_change_log = 0;
}
extern "C" char *osd_GetPackDir ()
{
return NULL;
}
void
S9xLoadSDD1Data ()
{
}
void
S9xAutoSaveSRAM ()
{
@ -468,7 +456,7 @@ S9xOpenROMDialog ()
gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER (dialog));
if (directory)
{
strncpy (gui_config->last_directory, directory, PATH_MAX);
strncpy (gui_config->last_directory, directory, PATH_MAX - 1);
g_free (directory);
}
}
@ -500,13 +488,13 @@ S9xQuickSaveSlot (int slot)
_splitpath (Memory.ROMFilename, drive, dir, def, ext);
snprintf (filename, PATH_MAX, "%s%s%s.%03d",
ssnprintf (filename, PATH_MAX, "%s%s%s.%03d",
S9xGetDirectory (SNAPSHOT_DIR), SLASH_STR, def,
slot);
if (S9xFreezeGame (filename))
{
snprintf (buf, PATH_MAX, "%s.%03d saved", def, slot);
ssnprintf (buf, PATH_MAX, "%s.%03d saved", def, slot);
S9xSetInfoString (buf);
}
@ -525,7 +513,7 @@ void S9xQuickLoadSlot (int slot)
_splitpath (Memory.ROMFilename, drive, dir, def, ext);
snprintf (filename, PATH_MAX, "%s%s%s.%03d",
ssnprintf (filename, PATH_MAX, "%s%s%s.%03d",
S9xGetDirectory (SNAPSHOT_DIR), SLASH_STR, def,
slot);
@ -534,7 +522,7 @@ void S9xQuickLoadSlot (int slot)
if (S9xUnfreezeGame (filename))
{
snprintf (buf, PATH_MAX, "%s.%03d loaded", def, slot);
ssnprintf (buf, PATH_MAX, "%s.%03d loaded", def, slot);
S9xSetInfoString (buf);
return;
}
@ -543,7 +531,7 @@ void S9xQuickLoadSlot (int slot)
_splitpath (Memory.ROMFilename, drive, dir, def, ext);
snprintf (filename, PATH_MAX, "%s%s%s.zs%c",
ssnprintf (filename, PATH_MAX, "%s%s%s.zs%c",
S9xGetDirectory (SNAPSHOT_DIR), SLASH_STR,
def, digits[slot]);
@ -552,7 +540,7 @@ void S9xQuickLoadSlot (int slot)
if (S9xUnfreezeGame (filename))
{
snprintf (buf, PATH_MAX,
ssnprintf (buf, PATH_MAX,
"Loaded ZSNES freeze file %s.zs%c",
def, digits [slot]);
S9xSetInfoString (buf);

4
gtk/src/gtk_netplay_dialog.cpp
View File

@ -96,8 +96,8 @@ Snes9xNetplayDialog::settings_to_dialog ()
void
Snes9xNetplayDialog::settings_from_dialog ()
{
strncpy (config->netplay_last_rom, get_entry_text ("rom_image"), PATH_MAX);
strncpy (config->netplay_last_host, get_entry_text ("ip_entry"), PATH_MAX);
strncpy (config->netplay_last_rom, get_entry_text ("rom_image"), PATH_MAX - 1);
strncpy (config->netplay_last_host, get_entry_text ("ip_entry"), PATH_MAX - 1);
config->netplay_sync_reset = get_check ("sync_reset");
config->netplay_send_rom = get_check ("send_image");
config->netplay_last_port = get_spin ("port");

12
gtk/src/gtk_preferences.cpp
View File

@ -905,17 +905,17 @@ Snes9xPreferences::get_settings_from_dialog ()
config->use_shaders = get_check ("use_shaders");
config->sync_every_frame = get_check ("sync_every_frame");
strncpy (config->fragment_shader, get_entry_text ("fragment_shader"), PATH_MAX);
strncpy (config->fragment_shader, get_entry_text ("fragment_shader"), PATH_MAX - 1);
config->pbo_format = pbo_format;
#endif
char safety_sram_directory [PATH_MAX];
strncpy (safety_sram_directory, get_entry_text ("sram_directory"), PATH_MAX);
strncpy (config->savestate_directory, get_entry_text ("savestate_directory"), PATH_MAX);
strncpy (config->patch_directory, get_entry_text ("patch_directory"), PATH_MAX);
strncpy (config->cheat_directory, get_entry_text ("cheat_directory"), PATH_MAX);
strncpy (config->export_directory, get_entry_text ("export_directory"), PATH_MAX);
strncpy (safety_sram_directory, get_entry_text ("sram_directory"), PATH_MAX - 1);
strncpy (config->savestate_directory, get_entry_text ("savestate_directory"), PATH_MAX - 1);
strncpy (config->patch_directory, get_entry_text ("patch_directory"), PATH_MAX - 1);
strncpy (config->cheat_directory, get_entry_text ("cheat_directory"), PATH_MAX - 1);
strncpy (config->export_directory, get_entry_text ("export_directory"), PATH_MAX - 1);
if (!strcmp (safety_sram_directory, SAME_GAME))
safety_sram_directory[0] = '\0';

6
gtk/src/gtk_s9xwindow.cpp
View File

@ -859,7 +859,7 @@ Snes9xWindow::open_movie_dialog (bool readonly)
_splitpath (Memory.ROMFilename, drive, dir, def, ext);
snprintf (default_name, PATH_MAX, "%s.smv", def);
ssnprintf (default_name, PATH_MAX, "%s.smv", def);
dialog = gtk_file_chooser_dialog_new (_("New SNES Movie"),
GTK_WINDOW (this->window),
@ -1119,7 +1119,7 @@ Snes9xWindow::save_state_dialog ()
_splitpath (Memory.ROMFilename, drive, dir, def, ext);
snprintf (default_name, PATH_MAX, "%s.sst", def);
ssnprintf (default_name, PATH_MAX, "%s.sst", def);
dialog = gtk_file_chooser_dialog_new (_("Save State"),
GTK_WINDOW (this->window),
@ -1195,7 +1195,7 @@ Snes9xWindow::save_spc_dialog ()
_splitpath (Memory.ROMFilename, drive, dir, def, ext);
snprintf (default_name, PATH_MAX, "%s.spc", def);
ssnprintf (default_name, PATH_MAX, "%s.spc", def);
dialog = gtk_file_chooser_dialog_new (_("Save SPC file..."),
GTK_WINDOW (this->window),

2
movie.cpp
View File

@ -434,7 +434,7 @@ static int read_movie_extrarominfo (FILE *fd, SMovie *movie)
ptr += 3; // zero bytes
movie->ROMCRC32 = Read32(ptr);
strncpy(movie->ROMName, (char *) ptr, 23);
strncpy(movie->ROMName, (char *) ptr, 22);
return (SUCCESS);
}

2
port.h
View File

@ -148,6 +148,8 @@ void SetInfoDlgColor(unsigned char, unsigned char, unsigned char);
#endif // __LIBRETRO__
#endif // __WIN32__
#define ssnprintf(dst, size, fmt, ...) if (snprintf (dst, size, fmt, __VA_ARGS__) >= (int) size) dst[size - 1] = '\0';
#if defined(__DJGPP) || defined(__WIN32__)
#define SLASH_STR "\\"
#define SLASH_CHAR '\\'

2
snapshot.cpp
View File

@ -1013,7 +1013,7 @@ void S9xResetSaveTimer (bool8 dontsave)
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], def[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
_splitpath(Memory.ROMFilename, drive, dir, def, ext);
snprintf(filename, PATH_MAX + 1, "%s%s%s.%.*s", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, def, _MAX_EXT - 1, "oops");
ssnprintf(filename, PATH_MAX + 1, "%s%s%s.%.*s", S9xGetDirectory(SNAPSHOT_DIR), SLASH_STR, def, _MAX_EXT - 1, "oops");
S9xMessage(S9X_INFO, S9X_FREEZE_FILE_INFO, SAVE_INFO_OOPS);
S9xFreezeGame(filename);
}