/* <2ae8e> ../engine/hashpak.c:1599 */
NOXREF char *HPAK_GetItem(int item)
{
NOXREFCHECK;
int nCurrent;
hash_pack_header_t header;
hash_pack_directory_t directory;
hash_pack_entry_t *entry;
static char name[MAX_PATH];
char szFileName[MAX_PATH];
FileHandle_t fp;
HPAK_FlushHostQueue();
Q_snprintf(name, ARRAYSIZE(name), "%s", "custom");
COM_DefaultExtension(name, HASHPAK_EXTENSION);
fp = FS_Open(name, "rb");
if (!fp)
return "";
FS_Read(&header, sizeof(hash_pack_header_t), 1, fp);
if (Q_strncmp(header.szFileStamp, "HPAK", sizeof(header.szFileStamp)))
{
Con_Printf("%s is not an HPAK file\n", name);
FS_Close(fp);
return "";
}
if (header.version != HASHPAK_VERSION)
{
Con_Printf("HPAK_List: version mismatch\n");
FS_Close(fp);
return "";
}
FS_Seek(fp, header.nDirectoryOffset, FILESYSTEM_SEEK_HEAD);
FS_Read(&directory.nEntries, 4, 1, fp);
if (directory.nEntries < 1 || (unsigned int)directory.nEntries > MAX_FILE_ENTRIES)
{
Con_Printf("ERROR: HPAK had bogus # of directory entries: %i\n", directory.nEntries);
FS_Close(fp);
return "";
}
directory.p_rgEntries = (hash_pack_entry_t *)Mem_Malloc(sizeof(hash_pack_entry_t) * directory.nEntries);
FS_Read(directory.p_rgEntries, sizeof(hash_pack_entry_t) * directory.nEntries, 1, fp);
nCurrent = directory.nEntries - 1;
if (nCurrent > item)
nCurrent = item;
entry = &directory.p_rgEntries[nCurrent];
COM_FileBase(entry->resource.szFileName, szFileName);
Q_snprintf(name, sizeof(name), "!MD5%s", MD5_Print(entry->resource.rgucMD5_hash));
FS_Close(fp);
Mem_Free(directory.p_rgEntries);
return name;
}
/* <2ab62> ../engine/hashpak.c:1200 */
void HPAK_Remove_f(void)
{
int nIndex;
char *pakname;
resource_t resource;
if (cmd_source != src_command)
return;
HPAK_FlushHostQueue();
if (Cmd_Argc() != 3)
{
Con_Printf("Usage: hpkremove <hpk> <index>\n");
return;
}
pakname = (char *)Cmd_Argv(1);
nIndex = Q_atoi(Cmd_Argv(2));
if (HPAK_ResourceForIndex(pakname, nIndex, &resource))
HPAK_RemoveLump(pakname, &resource);
else Con_Printf("Could not locate resource %i in %s\n", nIndex, pakname);
}
/* <2a3cb> ../engine/hashpak.c:1235 */
void HPAK_Validate_f(void)
{
hash_pack_header_t header;
hash_pack_directory_t directory;
hash_pack_entry_t *entry;
char name[MAX_PATH];
char szFileName[MAX_PATH];
char type[32];
FileHandle_t fp;
byte *pData;
int nDataSize;
byte md5[16];
MD5Context_t ctx;
if (cmd_source != src_command)
return;
HPAK_FlushHostQueue();
if (Cmd_Argc() != 2)
{
Con_Printf("Usage: hpkval hpkname\n");
return;
}
Q_snprintf(name, ARRAYSIZE(name), "%s", Cmd_Argv(1));
#ifdef REHLDS_FIXES
name[ARRAYSIZE(name) - 1] = 0;
#endif // REHLDS_FIXES
COM_DefaultExtension(name, HASHPAK_EXTENSION);
Con_Printf("Validating %s.\n", name);
fp = FS_Open(name, "rb");
if (!fp)
{
Con_Printf("ERROR: couldn't open %s.\n", name);
return;
}
FS_Read(&header, sizeof(hash_pack_header_t), 1, fp);
if (Q_strncmp(header.szFileStamp, "HPAK", sizeof(header.szFileStamp)))
{
Con_Printf("%s is not an HPAK file\n", name);
FS_Close(fp);
return;
}
if (header.version != HASHPAK_VERSION)
{
Con_Printf("hpkval: version mismatch\n");
FS_Close(fp);
return;
}
FS_Seek(fp, header.nDirectoryOffset, FILESYSTEM_SEEK_HEAD);
FS_Read(&directory.nEntries, 4, 1, fp);
if (directory.nEntries < 1 || (unsigned int)directory.nEntries > MAX_FILE_ENTRIES)
{
Con_Printf("ERROR: HPAK had bogus # of directory entries: %i\n", directory.nEntries);
FS_Close(fp);
return;
}
Con_Printf("# of Entries: %i\n", directory.nEntries);
Con_Printf("# Type Size FileName : MD5 Hash\n");
directory.p_rgEntries = (hash_pack_entry_t *)Mem_Malloc(sizeof(hash_pack_entry_t) * directory.nEntries);
FS_Read(directory.p_rgEntries, sizeof(hash_pack_entry_t) * directory.nEntries, 1, fp);
for (int nCurrent = 0; nCurrent < directory.nEntries; nCurrent++)
{
entry = &directory.p_rgEntries[nCurrent];
COM_FileBase(entry->resource.szFileName, szFileName);
switch (entry->resource.type)
{
case t_sound:
Q_strcpy(type, "sound");
break;
case t_skin:
Q_strcpy(type, "skin");
break;
case t_model:
Q_strcpy(type, "model");
break;
case t_decal:
Q_strcpy(type, "decal");
break;
case t_generic:
Q_strcpy(type, "generic");
break;
case t_eventscript:
Q_strcpy(type, "event");
break;
default:
Q_strcpy(type, "?");
break;
}
Con_Printf("%i: %10s %.2fK %s: ", nCurrent + 1, type, entry->resource.nDownloadSize / 1024.0f, szFileName);
nDataSize = entry->nFileLength;
if (nDataSize < 1 || (unsigned int)nDataSize >= MAX_FILE_SIZE)
Con_Printf("Unable to MD5 hash data, size invalid: %i\n", nDataSize);
else
{
pData = (byte *)Mem_Malloc(nDataSize + 1);
Q_memset(pData, 0, nDataSize);
FS_Seek(fp, entry->nOffset, FILESYSTEM_SEEK_HEAD);
FS_Read(pData, nDataSize, 1, fp);
Q_memset(&ctx, 0, sizeof(MD5Context_t));
MD5Init(&ctx);
MD5Update(&ctx, pData, nDataSize);
MD5Final(md5, &ctx);
if (Q_memcmp(entry->resource.rgucMD5_hash, md5, sizeof(md5)) == 0)
Con_Printf(" OK\n");
else
{
Con_Printf(" MISMATCHED\n");
Con_Printf("--------------------\n");
Con_Printf(" File : %s\n", MD5_Print(entry->resource.rgucMD5_hash));
Con_Printf(" Actual: %s\n", MD5_Print(md5));
Con_Printf("--------------------\n");
}
if (pData)
Mem_Free(pData);
}
}
FS_Close(fp);
Mem_Free(directory.p_rgEntries);
}
/* <2a644> ../engine/hashpak.c:945 */
void HPAK_List_f(void)
{
hash_pack_header_t header;
hash_pack_directory_t directory;
hash_pack_entry_t *entry;
char name[MAX_PATH];
char szFileName[MAX_PATH];
char type[32];
FileHandle_t fp;
if (cmd_source != src_command)
return;
HPAK_FlushHostQueue();
Q_snprintf(name, ARRAYSIZE(name), "%s", Cmd_Argv(1));
#ifdef REHLDS_FIXES
name[ARRAYSIZE(name) - 1] = 0;
#endif // REHLDS_FIXES
COM_DefaultExtension(name, HASHPAK_EXTENSION);
Con_Printf("Contents for %s.\n", name);
fp = FS_Open(name, "rb");
if (!fp)
{
Con_Printf("ERROR: couldn't open %s.\n", name);
return;
}
FS_Read(&header, sizeof(hash_pack_header_t), 1, fp);
if (Q_strncmp(header.szFileStamp, "HPAK", sizeof(header.szFileStamp)))
{
Con_Printf("%s is not an HPAK file\n", name);
FS_Close(fp);
return;
}
if (header.version != HASHPAK_VERSION)
{
Con_Printf("HPAK_List: version mismatch\n");
FS_Close(fp);
return;
}
FS_Seek(fp, header.nDirectoryOffset, FILESYSTEM_SEEK_HEAD);
FS_Read(&directory.nEntries, 4, 1, fp);
if (directory.nEntries < 1 || (unsigned int)directory.nEntries > MAX_FILE_ENTRIES)
{
Con_Printf("ERROR: HPAK had bogus # of directory entries: %i\n", directory.nEntries);
FS_Close(fp);
return;
}
Con_Printf("# of Entries: %i\n", directory.nEntries);
Con_Printf("# Type Size FileName : MD5 Hash\n");
directory.p_rgEntries = (hash_pack_entry_t *)Mem_Malloc(sizeof(hash_pack_entry_t) * directory.nEntries);
FS_Read(directory.p_rgEntries, sizeof(hash_pack_entry_t) * directory.nEntries, 1, fp);
for (int nCurrent = 0; nCurrent < directory.nEntries; nCurrent++)
{
entry = &directory.p_rgEntries[nCurrent];
COM_FileBase(entry->resource.szFileName, szFileName);
switch (entry->resource.type)
{
case t_sound:
Q_strcpy(type, "sound");
break;
case t_skin:
Q_strcpy(type, "skin");
break;
case t_model:
Q_strcpy(type, "model");
break;
case t_decal:
Q_strcpy(type, "decal");
break;
case t_generic:
Q_strcpy(type, "generic");
break;
case t_eventscript:
Q_strcpy(type, "event");
break;
default:
Q_strcpy(type, "?");
break;
}
Con_Printf("%i: %10s %.2fK %s\n : %s\n", nCurrent + 1, type, entry->resource.nDownloadSize / 1024.0f, szFileName, MD5_Print(entry->resource.rgucMD5_hash));
}
FS_Close(fp);
Mem_Free(directory.p_rgEntries);
}
/* <2a974> ../engine/hashpak.c:598 */
void HPAK_RemoveLump(char *pakname, resource_t *pResource)
{
FileHandle_t fp;
FileHandle_t tmp;
char szTempName[MAX_PATH];
char szOriginalName[MAX_PATH];
hash_pack_directory_t olddir;
hash_pack_directory_t newdir;
hash_pack_entry_t *oldentry;
hash_pack_entry_t *newentry;
int n;
int i;
if (pakname == NULL || *pakname == '\0' || pResource == NULL)
{
Con_Printf(__FUNCTION__ ": Invalid arguments\n");
return;
}
HPAK_FlushHostQueue();
#ifdef REHLDS_FIXES
Q_strncpy(szOriginalName, pakname, ARRAYSIZE(szOriginalName) - 1);
szOriginalName[ARRAYSIZE(szOriginalName) - 1] = 0;
COM_DefaultExtension(szOriginalName, HASHPAK_EXTENSION);
#else
//TODO: Not sure why Cmd_Argv(1) is used since function receives pakname parameter
char name[MAX_PATH];
Q_snprintf(name, ARRAYSIZE(name), "%s", Cmd_Argv(1));
COM_DefaultExtension(name, HASHPAK_EXTENSION);
Q_strncpy(szOriginalName, name, ARRAYSIZE(szOriginalName) - 1);
szOriginalName[ARRAYSIZE(szOriginalName) - 1] = 0;
#endif // REHLDS_FIXES
fp = FS_Open(szOriginalName, "rb");
if (!fp)
{
Con_Printf("Error: couldn't open HPAK file %s for removal.\n", szOriginalName);
return;
}
COM_StripExtension(szOriginalName, szTempName);
COM_DefaultExtension(szTempName, ".hp2");
tmp = FS_Open(szTempName, "w+b");
if (!tmp)
{
FS_Close(fp);
Con_Printf("ERROR: couldn't create %s.\n", szTempName);
return;
}
FS_Seek(fp, 0, FILESYSTEM_SEEK_HEAD);
FS_Seek(tmp, 0, FILESYSTEM_SEEK_HEAD);
FS_Read(&hash_pack_header, sizeof(hash_pack_header_t), 1, fp);
FS_Write(&hash_pack_header, sizeof(hash_pack_header_t), 1, tmp);
if (Q_strncmp(hash_pack_header.szFileStamp, "HPAK", sizeof(hash_pack_header.szFileStamp)))
{
FS_Close(fp);
FS_Close(tmp);
FS_Unlink(szTempName);
Con_Printf("%s is not an HPAK file\n", szOriginalName);
return;
}
if (hash_pack_header.version != HASHPAK_VERSION)
{
FS_Close(fp);
FS_Close(tmp);
FS_Unlink(szTempName);
Con_Printf("ERROR: HPAK version outdated\n");
return;
}
FS_Seek(fp, hash_pack_header.nDirectoryOffset, FILESYSTEM_SEEK_HEAD);
FS_Read(&olddir.nEntries, 4, 1, fp);
if (olddir.nEntries < 1 || (unsigned int)olddir.nEntries > MAX_FILE_ENTRIES)
{
FS_Close(fp);
FS_Close(tmp);
FS_Unlink(szTempName);
Con_Printf("ERROR: HPAK had bogus # of directory entries: %i\n", olddir.nEntries);
return;
}
if (olddir.nEntries == 1)
{
FS_Close(fp);
FS_Close(tmp);
FS_Unlink(szOriginalName);
FS_Unlink(szTempName);
Con_Printf("Removing final lump from HPAK, deleting HPAK:\n %s\n", szOriginalName);
return;
}
olddir.p_rgEntries = (hash_pack_entry_t *)Mem_Malloc(sizeof(hash_pack_entry_t) * olddir.nEntries);
FS_Read(olddir.p_rgEntries, sizeof(hash_pack_entry_t) * olddir.nEntries, 1, fp);
newdir.nEntries = olddir.nEntries - 1;
newdir.p_rgEntries = (hash_pack_entry_t *)Mem_Malloc(sizeof(hash_pack_entry_t) * newdir.nEntries);
if (!HPAK_FindResource(&olddir, pResource->rgucMD5_hash, NULL))
{
FS_Close(fp);
FS_Close(tmp);
FS_Unlink(szTempName);
Mem_Free(olddir.p_rgEntries);
Mem_Free(newdir.p_rgEntries);
Con_Printf("ERROR: HPAK doesn't contain specified lump: %s\n", pResource->szFileName);
return;
}
Con_Printf("Removing %s from HPAK %s.\n", pResource->szFileName, szOriginalName);
for (i = 0, n = 0; i < olddir.nEntries; i++)
{
oldentry = &olddir.p_rgEntries[i];
if (Q_memcmp(olddir.p_rgEntries[i].resource.rgucMD5_hash, pResource->rgucMD5_hash, 16))
{
newentry = &newdir.p_rgEntries[n++];
Q_memcpy(newentry, oldentry, sizeof(hash_pack_entry_t));
newentry->nOffset = FS_Tell(tmp);
FS_Seek(fp, oldentry->nOffset, FILESYSTEM_SEEK_HEAD);
COM_CopyFileChunk(tmp, fp, newentry->nFileLength);
}
}
hash_pack_header.nDirectoryOffset = FS_Tell(tmp);
FS_Write(&newdir.nEntries, 4, 1, tmp);
for (i = 0; i < newdir.nEntries; i++)
FS_Write(&newdir.p_rgEntries[i], sizeof(hash_pack_entry_t), 1, tmp);
FS_Seek(tmp, 0, FILESYSTEM_SEEK_HEAD);
FS_Write(&hash_pack_header, sizeof(hash_pack_header_t), 1, tmp);
FS_Close(fp);
FS_Close(tmp);
FS_Unlink(szOriginalName);
FS_Rename(szTempName, szOriginalName);
Mem_Free(olddir.p_rgEntries);
Mem_Free(newdir.p_rgEntries);
}
/* <2afb5> ../engine/hashpak.c:1728 */
void HPAK_ValidatePak(char *fullpakname)
{
hash_pack_header_t header;
hash_pack_directory_t directory;
hash_pack_entry_t *entry;
char szFileName[MAX_PATH];
FileHandle_t fp;
byte *pData;
byte md5[16];
MD5Context_t ctx;
HPAK_FlushHostQueue();
fp = FS_Open(fullpakname, "rb");
if (!fp)
return;
FS_Read(&header, sizeof(hash_pack_header_t), 1, fp);
if (header.version != HASHPAK_VERSION || Q_strncmp(header.szFileStamp, "HPAK", sizeof(header.szFileStamp)) != 0)
{
Con_Printf("%s is not a PAK file, deleting\n", fullpakname);
FS_Close(fp);
FS_RemoveFile(fullpakname, 0);
return;
}
FS_Seek(fp, header.nDirectoryOffset, FILESYSTEM_SEEK_HEAD);
FS_Read(&directory, 4, 1, fp);
if (directory.nEntries < 1 || (unsigned int)directory.nEntries > MAX_FILE_ENTRIES)
{
Con_Printf("ERROR: HPAK %s had bogus # of directory entries: %i, deleting\n", fullpakname, directory.nEntries);
FS_Close(fp);
FS_RemoveFile(fullpakname, 0);
return;
}
directory.p_rgEntries = (hash_pack_entry_t *)Mem_Malloc(sizeof(hash_pack_entry_t) * directory.nEntries);
FS_Read(directory.p_rgEntries, sizeof(hash_pack_entry_t) * directory.nEntries, 1, fp);
for (int nCurrent = 0; nCurrent < directory.nEntries; nCurrent++)
{
entry = &directory.p_rgEntries[nCurrent];
COM_FileBase(entry->resource.szFileName, szFileName);
if ((unsigned int)entry->nFileLength >= MAX_FILE_SIZE)
{
Con_Printf("Mismatched data in HPAK file %s, deleting\n", fullpakname);
Con_Printf("Unable to MD5 hash data lump %i, size invalid: %i\n", nCurrent + 1, entry->nFileLength);
FS_Close(fp);
FS_RemoveFile(fullpakname, 0);
Mem_Free(directory.p_rgEntries);
return;
}
pData = (byte *)Mem_Malloc(entry->nFileLength + 1);
Q_memset(pData, 0, entry->nFileLength);
FS_Seek(fp, entry->nOffset, FILESYSTEM_SEEK_HEAD);
FS_Read(pData, entry->nFileLength, 1, fp);
Q_memset(&ctx, 0, sizeof(MD5Context_t));
MD5Init(&ctx);
MD5Update(&ctx, pData, entry->nFileLength);
MD5Final(md5, &ctx);
if (pData)
Mem_Free(pData);
if (Q_memcmp(entry->resource.rgucMD5_hash, md5, sizeof(md5)) != 0)
{
Con_Printf("Mismatched data in HPAK file %s, deleting\n", fullpakname);
FS_Close(fp);
FS_RemoveFile(fullpakname, 0);
Mem_Free(directory.p_rgEntries);
return;
}
}
FS_Close(fp);
Mem_Free(directory.p_rgEntries);
}
/* <2a33c> ../engine/hashpak.c:1401 */
void HPAK_Extract_f(void)
{
hash_pack_header_t header;
hash_pack_directory_t directory;
hash_pack_entry_t *entry;
char name[MAX_PATH];
char type[32];
FileHandle_t fp;
int nIndex;
byte *pData;
int nDataSize;
FileHandle_t fpOutput;
char szFileOut[MAX_PATH];
if (cmd_source != src_command)
return;
HPAK_FlushHostQueue();
if (Cmd_Argc() != 3)
{
Con_Printf("Usage: hpkextract hpkname [all | single index]\n");
return;
}
if (Q_stricmp(Cmd_Argv(2),"all") != 0)
{
nIndex = Q_atoi(Cmd_Argv(2));
#ifdef REHLDS_FIXES
Q_snprintf(name, sizeof(name), "%s", Cmd_Argv(1));
#else
Q_snprintf(name, 256, "%s", Cmd_Argv(1));
#endif // REHLDS_FIXES
if (nIndex != -1)
Con_Printf("Extracting lump %i from %s\n", nIndex, name);
}
else
{
nIndex = -1;
Q_snprintf(name, ARRAYSIZE(name), "%s", Cmd_Argv(1));
#ifdef REHLDS_FIXES
name[ARRAYSIZE(name) - 1] = 0;
#endif // REHLDS_FIXES
COM_DefaultExtension(name, HASHPAK_EXTENSION);
Con_Printf("Extracting all lumps from %s.\n", name);
}
fp = FS_Open(name, "rb");
if (!fp)
{
Con_Printf("ERROR: couldn't open %s.\n", name);
return;
}
FS_Read(&header, sizeof(hash_pack_header_t), 1, fp);
if (Q_strncmp(header.szFileStamp, "HPAK", sizeof(header.szFileStamp)))
{
Con_Printf("%s is not an HPAK file\n", name);
FS_Close(fp);
return;
}
if (header.version != HASHPAK_VERSION)
{
Con_Printf("hpkextract: version mismatch\n");
FS_Close(fp);
return;
}
FS_Seek(fp, header.nDirectoryOffset, FILESYSTEM_SEEK_HEAD);
FS_Read(&directory.nEntries, 4, 1, fp);
if (directory.nEntries < 1 || (unsigned int)directory.nEntries > MAX_FILE_ENTRIES)
{
Con_Printf("ERROR: HPAK had bogus # of directory entries: %i\n", directory.nEntries);
FS_Close(fp);
return;
}
Con_Printf("# of Entries: %i\n", directory.nEntries);
Con_Printf("# Type Size FileName : MD5 Hash\n");
directory.p_rgEntries = (hash_pack_entry_t *)Mem_Malloc(sizeof(hash_pack_entry_t) * directory.nEntries);
FS_Read(directory.p_rgEntries, sizeof(hash_pack_entry_t) * directory.nEntries, 1, fp);
for (int nCurrent = 0; nCurrent < directory.nEntries; nCurrent++)
{
entry = &directory.p_rgEntries[nCurrent];
if (nIndex == -1 || nIndex == nCurrent)
{
COM_FileBase(entry->resource.szFileName, szFileOut);
switch (entry->resource.type)
{
case t_sound:
Q_strcpy(type, "sound");
break;
case t_skin:
Q_strcpy(type, "skin");
break;
case t_model:
Q_strcpy(type, "model");
break;
case t_decal:
Q_strcpy(type, "decal");
break;
case t_generic:
Q_strcpy(type, "generic");
break;
case t_eventscript:
Q_strcpy(type, "event");
break;
default:
Q_strcpy(type, "?");
break;
}
Con_Printf("Extracting %i: %10s %.2fK %s\n", nCurrent, type, entry->resource.nDownloadSize / 1024.0f, szFileOut);
nDataSize = entry->nFileLength;
if (nDataSize < 1 || (unsigned int)nDataSize >= MAX_FILE_SIZE)
Con_Printf("Unable to extract data, size invalid: %s\n", nDataSize);
else
{
pData = (byte *)Mem_Malloc(nDataSize + 1);
Q_memset(pData, 0, nDataSize);
FS_Seek(fp, entry->nOffset, FILESYSTEM_SEEK_HEAD);
FS_Read(pData, nDataSize, 1, fp);
Q_snprintf(szFileOut, sizeof(szFileOut), "hpklmps\\lmp%04i.wad", nCurrent);
COM_FixSlashes(szFileOut);
COM_CreatePath(szFileOut);
fpOutput = FS_Open(szFileOut, "wb");
if (fpOutput)
{
FS_Write(pData, nDataSize, 1, fpOutput);
FS_Close(fpOutput);
}
else Con_Printf("Error creating lump file %s\n", szFileOut);
if (pData)
Mem_Free(pData);
}
}
}
FS_Close(fp);
Mem_Free(directory.p_rgEntries);
}
void HPAK_RemoveLump( const char *name, resource_t *resource )
{
string read_path;
string save_path;
file_t *f1, *f2;
hpak_container_t hpak_read;
hpak_container_t hpak_save;
int i, j;
if( !name || !name[0] || !resource )
return;
HPAK_FlushHostQueue();
Q_strncpy( read_path, name, sizeof( read_path ));
FS_StripExtension( read_path );
FS_DefaultExtension( read_path, ".hpk" );
f1 = FS_Open( read_path, "rb", false );
if( !f1 )
{
MsgDev( D_ERROR, "HPAK_RemoveLump: %s couldn't open.\n", read_path );
return;
}
Q_strncpy( save_path, read_path, sizeof( save_path ));
FS_StripExtension( save_path );
FS_DefaultExtension( save_path, ".hp2" );
f2 = FS_Open( save_path, "w+b", false );
if( !f2 )
{
MsgDev( D_ERROR, "HPAK_RemoveLump: %s couldn't open.\n", save_path );
FS_Close( f1 );
return;
}
FS_Seek( f1, 0, SEEK_SET );
FS_Seek( f2, 0, SEEK_SET );
// header copy
FS_Read( f1, &hash_pack_header, sizeof( hpak_header_t ));
FS_Write( f2, &hash_pack_header, sizeof( hpak_header_t ));
if( hash_pack_header.ident != IDCUSTOMHEADER || hash_pack_header.version != IDCUSTOM_VERSION )
{
MsgDev( D_ERROR, "HPAK_RemoveLump: %s has invalid header.\n", read_path );
FS_Close( f1 );
FS_Close( f2 );
FS_Delete( save_path ); // delete temp file
return;
}
FS_Seek( f1, hash_pack_header.seek, SEEK_SET );
FS_Read( f1, &hpak_read.count, sizeof( hpak_read.count ));
if( hpak_read.count < 1 || hpak_read.count > MAX_FILES_IN_WAD )
{
MsgDev( D_ERROR, "HPAK_RemoveLump: %s has invalid number of lumps.\n", read_path );
FS_Close( f1 );
FS_Close( f2 );
FS_Delete( save_path ); // delete temp file
return;
}
if( hpak_read.count == 1 )
{
MsgDev( D_ERROR, "HPAK_RemoveLump: %s only has one element, so it's not deleted.\n", read_path );
FS_Close( f1 );
FS_Close( f2 );
FS_Delete( read_path );
FS_Delete( save_path );
return;
}
hpak_save.count = hpak_read.count - 1;
hpak_read.dirs = Z_Malloc( sizeof( hpak_dir_t ) * hpak_read.count );
hpak_save.dirs = Z_Malloc( sizeof( hpak_dir_t ) * hpak_save.count );
FS_Read( f1, hpak_read.dirs, sizeof( hpak_dir_t ) * hpak_read.count );
if( !HPAK_FindResource( &hpak_read, resource->rgucMD5_hash, NULL ))
{
MsgDev( D_ERROR, "HPAK_RemoveLump: Couldn't find the lump %s in hpak %s.n", resource->szFileName, read_path );
Mem_Free( hpak_read.dirs );
Mem_Free( hpak_save.dirs );
FS_Close( f1 );
FS_Close( f2 );
FS_Delete( save_path );
return;
}
MsgDev( D_INFO, "Removing lump %s from %s.\n", resource->szFileName, read_path );
// If there's a collision, we've just corrupted this hpak.
for( i = 0, j = 0; i < hpak_read.count; i++ )
{
if( !Q_memcmp( hpak_read.dirs[i].DirectoryResource.rgucMD5_hash, resource->rgucMD5_hash, 16 ))
continue;
hpak_save.dirs[j] = hpak_read.dirs[i];
hpak_save.dirs[j].seek = FS_Tell( f2 );
FS_Seek( f1, hpak_read.dirs[j].seek, SEEK_SET );
HPAK_FileCopy( f2, f1, hpak_save.dirs[j].size );
j++;
}
hash_pack_header.seek = FS_Tell( f2 );
FS_Write( f2, &hpak_save.count, ( hpak_save.count ));
for( i = 0; i < hpak_save.count; i++ )
{
FS_Write( f2, &hpak_save.dirs[i], sizeof( hpak_dir_t ));
}
FS_Seek( f2, 0, SEEK_SET );
FS_Write( f2, &hash_pack_header, sizeof( hpak_header_t ));
Mem_Free( hpak_read.dirs );
Mem_Free( hpak_save.dirs );
FS_Close( f1 );
FS_Close( f2 );
FS_Delete( read_path );
FS_Rename( save_path, read_path );
}
static qboolean HPAK_Validate( const char *filename, qboolean quiet )
{
file_t *f;
hpak_dir_t *dataDir;
hpak_header_t hdr;
byte *dataPak;
int i, num_lumps;
MD5Context_t MD5_Hash;
string pakname;
resource_t *pRes;
char md5[16];
if( quiet ) HPAK_FlushHostQueue();
// not an error - just flush queue
if( !filename || !*filename )
return true;
Q_strncpy( pakname, filename, sizeof( pakname ));
FS_StripExtension( pakname );
FS_DefaultExtension( pakname, ".hpk" );
f = FS_Open( pakname, "rb", false );
if( !f )
{
MsgDev( D_INFO, "Couldn't find %s.\n", pakname );
return true;
}
if( !quiet ) MsgDev( D_INFO, "Validating %s\n", pakname );
FS_Read( f, &hdr, sizeof( hdr ));
if( hdr.ident != IDCUSTOMHEADER || hdr.version != IDCUSTOM_VERSION )
{
MsgDev( D_ERROR, "HPAK_ValidatePak: %s does not have a valid HPAK header.\n", pakname );
FS_Close( f );
return false;
}
FS_Seek( f, hdr.seek, SEEK_SET );
FS_Read( f, &num_lumps, sizeof( num_lumps ));
if( num_lumps < 1 || num_lumps > MAX_FILES_IN_WAD )
{
MsgDev( D_ERROR, "HPAK_ValidatePak: %s has too many lumps %u.\n", pakname, num_lumps );
FS_Close( f );
return false;
}
if( !quiet ) MsgDev( D_INFO, "# of Entries: %i\n", num_lumps );
dataDir = Z_Malloc( sizeof( hpak_dir_t ) * num_lumps );
FS_Read( f, dataDir, sizeof( hpak_dir_t ) * num_lumps );
if( !quiet ) MsgDev( D_INFO, "# Type Size FileName : MD5 Hash\n" );
for( i = 0; i < num_lumps; i++ )
{
if( dataDir[i].size < 1 || dataDir[i].size > 131071 )
{
// odd max size
MsgDev( D_ERROR, "HPAK_ValidatePak: lump %i has invalid size %s\n", i, Q_pretifymem( dataDir[i].size, 2 ));
Mem_Free( dataDir );
FS_Close(f);
return false;
}
dataPak = Z_Malloc( dataDir[i].size );
FS_Seek( f, dataDir[i].seek, SEEK_SET );
FS_Read( f, dataPak, dataDir[i].size );
Q_memset( &MD5_Hash, 0, sizeof( MD5Context_t ));
MD5Init( &MD5_Hash );
MD5Update( &MD5_Hash, dataPak, dataDir[i].size );
MD5Final( md5, &MD5_Hash );
pRes = &dataDir[i].DirectoryResource;
MsgDev( D_INFO, "%i: %s %s %s: ", i, HPAK_TypeFromIndex( pRes->type ),
Q_pretifymem( pRes->nDownloadSize, 2 ), pRes->szFileName );
if( Q_memcmp( md5, pRes->rgucMD5_hash, 0x10 ))
{
if( quiet )
{
MsgDev( D_ERROR, "HPAK_ValidatePak: %s has invalid checksum.\n", pakname );
Mem_Free( dataPak );
Mem_Free( dataDir );
FS_Close( f );
return false;
}
else MsgDev( D_INFO, "failed\n" );
}
else
{
if( !quiet ) MsgDev( D_INFO, "OK\n" );
}
// at this point, it's passed our checks.
Mem_Free( dataPak );
}
Mem_Free( dataDir );
FS_Close( f );
return true;
}