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desmume
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Core: 

- add additional checks for valid firmware config file size;
This commit is contained in:
mtabachenko 2013-04-25 13:53:07 +00:00
parent 79ed5b8117
commit 69d4b84110
1 changed files with 23 additions and 17 deletions
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40
desmume/src/firmware.cpp
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@ -572,29 +572,35 @@ bool CFIRMWARE::load()
fp = fopen(MMU.fw.userfile, "rb");
if (fp)
{
char buf[0x300];
memset(buf, 0, 0x300);
if (fread(buf, 1, 0x100, fp) == 0x100)
fseek(fp, 0, SEEK_END);
if (ftell(fp) == (0x100 + 0x1D6 + 0x300))
{
printf("- loaded from %s:\n", MMU.fw.userfile);
memcpy(&data[0x3FE00], &buf[0], 0x100);
memcpy(&data[0x3FF00], &buf[0], 0x100);
printf(" * User settings\n");
memset(buf, 0, 0x100);
if (fread(buf, 1, 0x1D6, fp) == 0x1D6)
fseek(fp, 0, SEEK_SET);
char buf[0x301];
memset(buf, 0, sizeof(buf));
if (fread(buf, 1, 0x100, fp) == 0x100)
{
memcpy(&data[0x002A], &buf[0], 0x1D6);
printf(" * WiFi settings\n");
memset(buf, 0, 0x1D6);
if (fread(buf, 1, 0x300, fp) == 0x300)
printf("- loaded firmware config from %s:\n", MMU.fw.userfile);
memcpy(&data[0x3FE00], &buf[0], 0x100);
memcpy(&data[0x3FF00], &buf[0], 0x100);
printf(" * User settings\n");
memset(buf, 0, sizeof(buf));
if (fread(buf, 1, 0x1D6, fp) == 0x1D6)
{
memcpy(&data[0x3FA00], &buf[0], 0x300);
printf(" * WiFi AP settings\n");
memcpy(&data[0x002A], &buf[0], 0x1D6);
printf(" * WiFi settings\n");
memset(buf, 0, sizeof(buf));
if (fread(buf, 1, 0x300, fp) == 0x300)
{
memcpy(&data[0x3FA00], &buf[0], 0x300);
printf(" * WiFi AP settings\n");
}
}
}
}
else
printf("- failed loading firmware config from %s (wrong file size)\n", MMU.fw.userfile);
fclose(fp);
}
printf("\n");