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authorMaurus Cuelenaere <mcuelenaere@gmail.com>2008-08-24 21:15:29 +0000
committerMaurus Cuelenaere <mcuelenaere@gmail.com>2008-08-24 21:15:29 +0000
commitced10d4db18947c724d25dfc923a22c9aff3f629 (patch)
treebc93ad2e3bdf67240947b01c6f96026c89750f03 /utils/zenutils/source
parent074e48c08c439ef40416fb9b264a1f113c69a3b3 (diff)
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ZenUtils:
* Apply FS#9311 by Jelle Geerts: fix compiling on MingW * Make zen::find_firmware_offset() detect the offset better git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18340 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'utils/zenutils/source')
-rw-r--r--utils/zenutils/source/shared/updater.cpp18
1 files changed, 8 insertions, 10 deletions
diff --git a/utils/zenutils/source/shared/updater.cpp b/utils/zenutils/source/shared/updater.cpp
index 3944863533..7efac3d373 100644
--- a/utils/zenutils/source/shared/updater.cpp
+++ b/utils/zenutils/source/shared/updater.cpp
@@ -50,19 +50,18 @@ const char* zen::find_firmware_key(const byte* buffer, size_t len)
dword zen::find_firmware_offset(byte* buffer, size_t len)
{
- for (dword i = 0; i < static_cast<dword>(len); i += 0x10)
+ for (dword i = 0; i < static_cast<dword>(len); i += 4)
{
dword size = *(dword*)&buffer[i];
- if (size < (i + len) && size > (len >> 1))
+ if (buffer[i + sizeof(dword)] != 0
+ && buffer[i + sizeof(dword) + 1] != 0
+ && buffer[i + sizeof(dword) + 2] != 0
+ && buffer[i + sizeof(dword) + 3] != 0)
{
- if (buffer[i + sizeof(dword)] != 0
- && buffer[i + sizeof(dword) + 1] != 0
- && buffer[i + sizeof(dword) + 2] != 0
- && buffer[i + sizeof(dword) + 3] != 0)
- {
- return i;
- }
+ return i;
}
+ if(i > 0xFF) /* Arbitrary guess */
+ return 0;
}
return 0;
}
@@ -105,7 +104,6 @@ bool zen::crypt_firmware(const char* key, byte* buffer, size_t len)
unsigned int tmp = 0;
int key_length = strlen(key);
- strcpy(key_cpy, key);
for(i=0; i < strlen(key); i++)
key_cpy[i] = key[i] - 1;