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Ensure comment strings in CBannerLoaderWii::SWiiBanner are null-terminated. Fixes issue 5012.

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Signed-off-by: Shawn Hoffman <godisgovernment@gmail.com>
This commit is contained in:
Shawn Hoffman 2011-11-27 23:17:10 -08:00
parent 79ca43226c
commit bef3d7229e
2 changed files with 60 additions and 60 deletions
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95
Source/Core/DiscIO/Src/BannerLoaderWii.cpp
View File

@ -144,43 +144,57 @@ bool CBannerLoaderWii::GetBanner(u32* _pBannerImage)
return true;
}
bool CBannerLoaderWii::GetName(std::string* _rName)
bool CBannerLoaderWii::GetStringFromComments(const CommentIndex index, std::string& s)
{
bool ret = false;
if (IsValid())
{
// find Banner type
SWiiBanner *pBanner = (SWiiBanner*)m_pBannerFile;
// Ensure the string is null-terminating, since the banner format
// doesn't require it
u16 *src = new u16[COMMENT_SIZE + 1];
memcpy(src, &pBanner->m_Comment[index], COMMENT_SIZE * sizeof(u16));
src[COMMENT_SIZE] = 0;
ret = CopyBeUnicodeToString(s, src, COMMENT_SIZE + 1);
delete [] src;
}
return ret;
}
bool CBannerLoaderWii::GetStringFromComments(const CommentIndex index, std::wstring& s)
{
if (IsValid())
{
// find Banner type
SWiiBanner* pBanner = (SWiiBanner*)m_pBannerFile;
std::string name;
if (CopyBeUnicodeToString(name, pBanner->m_Comment[0], WII_BANNER_COMMENT_SIZE))
{
for (int i = 0; i < 6; i++)
{
_rName[i] = name;
}
return true;
}
std::wstring description;
for (int i = 0; i < COMMENT_SIZE; ++i)
description.push_back(Common::swap16(pBanner->m_Comment[index][i]));
s = description;
return true;
}
return false;
}
bool CBannerLoaderWii::GetName(std::string* _rName)
{
return GetStringFromComments(NAME_IDX, *_rName);
}
bool CBannerLoaderWii::GetName(std::vector<std::wstring>& _rNames)
{
if (IsValid())
{
// find Banner type
SWiiBanner* pBanner = (SWiiBanner*)m_pBannerFile;
std::wstring temp;
for (int i = 0; i < WII_BANNER_COMMENT_SIZE; ++i)
{
temp.push_back(Common::swap16(pBanner->m_Comment[0][i]));
}
_rNames.push_back(temp);
return true;
}
return false;
std::wstring temp;
bool ret = GetStringFromComments(NAME_IDX, temp);
_rNames.push_back(temp);
return ret;
}
bool CBannerLoaderWii::GetCompany(std::string& _rCompany)
@ -191,39 +205,12 @@ bool CBannerLoaderWii::GetCompany(std::string& _rCompany)
bool CBannerLoaderWii::GetDescription(std::string* _rDescription)
{
if (IsValid())
{
// find Banner type
SWiiBanner* pBanner = (SWiiBanner*)m_pBannerFile;
std::string description;
if (CopyBeUnicodeToString(description, pBanner->m_Comment[1], WII_BANNER_COMMENT_SIZE))
{
for (int i = 0; i< 6; i++)
{
_rDescription[i] = description;
}
return true;
}
}
return false;
return GetStringFromComments(DESC_IDX, *_rDescription);
}
bool CBannerLoaderWii::GetDescription(std::wstring& _rDescription)
{
if (IsValid())
{
// find Banner type
SWiiBanner* pBanner = (SWiiBanner*)m_pBannerFile;
std::wstring description;
for (int i = 0; i < WII_BANNER_COMMENT_SIZE; ++i)
description.push_back(Common::swap16(pBanner->m_Comment[1][i]));
_rDescription = description;
return true;
}
return false;
return GetStringFromComments(DESC_IDX, _rDescription);
}
void CBannerLoaderWii::decode5A3image(u32* dst, u16* src, int width, int height)

25
Source/Core/DiscIO/Src/BannerLoaderWii.h
View File

@ -47,9 +47,18 @@ class CBannerLoaderWii
private:
#define WII_BANNER_TEXTURE_SIZE (192 * 64 * 2)
#define WII_BANNER_ICON_SIZE ( 48 * 48 * 2)
#define WII_BANNER_COMMENT_SIZE 32
enum
{
TEXTURE_SIZE = 192 * 64 * 2,
ICON_SIZE = 48 * 48 * 2,
COMMENT_SIZE = 32
};
enum CommentIndex
{
NAME_IDX,
DESC_IDX
};
struct SWiiBanner
{
@ -59,9 +68,10 @@ class CBannerLoaderWii
u16 m_Speed;
u8 m_Unknown[22];
u16 m_Comment[2][WII_BANNER_COMMENT_SIZE];
u8 m_BannerTexture[WII_BANNER_TEXTURE_SIZE];
u8 m_IconTexture[8][WII_BANNER_ICON_SIZE];
// Not null terminated!
u16 m_Comment[2][COMMENT_SIZE];
u8 m_BannerTexture[TEXTURE_SIZE];
u8 m_IconTexture[8][ICON_SIZE];
} ;
u8* m_pBannerFile;
@ -69,6 +79,9 @@ class CBannerLoaderWii
bool m_IsValid;
void decode5A3image(u32* dst, u16* src, int width, int height);
bool GetStringFromComments(const CommentIndex index, std::string& s);
bool GetStringFromComments(const CommentIndex index, std::wstring& s);
};
} // namespace