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/*****************************************************************************
* Laichzeit *
* Part of the Benzin Project *
* Handles some XML stuff. *
* Copyright (C)2009 SquidMan (Alex Marshall) <SquidMan72@gmail.com> *
* Copyright (C)2009 megazig (Stephen Simpson) <megazig@hotmail.com> *
* Copyright (C)2009 Matt_P (Matthew Parlane) *
* Copyright (C)2009 comex *
* Copyright (C)2009 booto *
* All Rights Reserved, HACKERCHANNEL. *
* ------------------------------------------------------------------------- *
* banner.c *
* The code for all the final banner stuff. Compile this! *
* ------------------------------------------------------------------------- *
* Compilation code contributed by: *
* icefire *
* Intermediation code contributed by: *
* SquidMan *
*****************************************************************************/
#include <stdlib.h>
#include <string.h>
#include <openssl/md5.h>
#include "types.h"
#include "banner.h"
#include "c_oop.h"
#define inlinepad(x, y) ((x) + ((y) - ((x) % (y))))
typedef struct
{
u16 type; // This is 0x0000 for files, 0x0100 for folders
u16 string_offset; // Offset into the string table,
// from the start of the string table.
u32 data_offset; // Absolute offset from U.8- header for files.
// Recursion for directories.
u32 size; // Size of file for files.
// Last file entry number for directories.
} u8node;
typedef struct
{
u32 tag; // 0x55AA382D "U.8-"
u32 root_offset; // Offset to root_node, always 0x20.
u32 header_size; // Size of header from root_node to
// end of string table.
u32 data_offset; // Offset to data
// root_offset + header_size, aligned to 0x40.
u8 zeroes[16]; // Padding
} u8header;
typedef struct
{
u8header header;
u8node rootnode;
u32 numnodes;
u8node* nodes;
u32 stringsz;
u8* string_table;
u32 datasz;
u8* data;
} u8archive;
static void AddFileToDir(U8Dir* arc, U8File file)
{
AddObjectToList((u8**)&arc->files, \
(u32*)&arc->filecnt, \
(u8*)&file, sizeof(U8File));
}
static U8Dir* AddDirToDir(U8Dir* arc, U8Dir dir)
{
return &arc->dirs[AddObjectToList((u8**)&arc->dirs, \
(u32*)&arc->dircnt, \
(u8*)&dir, sizeof(U8Dir))];
}
IMET* LaichMeta_IMET(char** names, \
u32 iconsize, u32 bannersize, u32 soundsize)
{
IMET* header = malloc(sizeof(IMET));
memset(header, 0, sizeof(IMET));
header->imet[0] = 'I';
header->imet[1] = 'M';
header->imet[2] = 'E';
header->imet[3] = 'T';
header->unk = htobll(0x0000060000000003);
header->sizes[0] = htobl(iconsize);
header->sizes[1] = htobl(bannersize);
header->sizes[2] = htobl(soundsize);
header->flag1 = 0x00;
int i;
for(i = 0; i < 8; i++)
memcpy(header->names[i], names[i], 2 * 42);
MD5(((u8*)header) + 0x40, 0x600, (u8*)header->crypto);
return header;
}
IMD5* LaichMeta_IMD5(u8* file, u32 size)
{
IMD5* header = malloc(sizeof(IMD5));
memset(header, 0, sizeof(IMD5));
header->imd5[0] = 'I';
header->imd5[1] = 'M';
header->imd5[2] = 'D';
header->imd5[3] = '5';
header->filesize = htobl(size);
MD5(file, size, header->crypto);
return header;
}
U8* LaichMeta_StartU8(U8Dir* root)
{
U8* arc = malloc(sizeof(U8));
arc->rootdir.filecnt = 0;
arc->rootdir.files = NULL;
arc->rootdir.dircnt = 0;
arc->rootdir.dirs = NULL;
memset(arc->rootdir.name, 0, 256);
*root = arc->rootdir;
return arc;
}
U8Dir* LaichMeta_CreateDirInDirU8(U8Dir* arc, char* name)
{
U8Dir dir;
dir.filecnt = 0;
dir.files = NULL;
dir.dircnt = 0;
dir.dirs = NULL;
memset(dir.name, 0, 256);
strncpy(dir.name, name, 256);
return AddDirToDir(arc, dir);
}
void LaichMeta_CreateFileInDirU8(U8Dir* arc, char* src, char* dst)
{
U8File file;
memset(file.src, 0, 256);
strncpy(file.src, src, 256);
memset(file.dst, 0, 256);
strncpy(file.dst, dst, 256);
AddFileToDir(arc, file);
}
static void U8_packdir(u8archive * arc, U8Dir dir, u32 recursion)
{
u32 i, oldnumnodes;
U8File curfile;
U8Dir curdir;
u8node curnode;
oldnumnodes = arc->numnodes;
arc->nodes = realloc(arc->nodes, arc->numnodes * sizeof(u8node));
curnode = arc->nodes[arc->numnodes];
curnode.type = 0x0001; // Is a folder.
curnode.string_offset = htobl(arc->stringsz);
arc->string_table = realloc(arc->string_table, strlen(curdir.name) \
+ 1);
memcpy(arc->string_table, curdir.name, strlen(curdir.name) + 1);
arc->stringsz += strlen(curdir.name) + 1;
arc->numnodes++;
for(i = 0; i < dir.filecnt; i++) { // Handle files.
curfile = dir.files[i];
arc->nodes = realloc(arc->nodes, \
arc->numnodes * sizeof(u8node));
curnode = arc->nodes[arc->numnodes];
curnode.type = 0; //file
curnode.size = htobl(curfile.size);
curnode.string_offset = htobl(arc->stringsz);
arc->string_table = realloc(arc->string_table, \
strlen(curfile.dst) + 1);
memcpy(arc->string_table, curfile.dst, \
strlen(curfile.dst) + 1);
arc->stringsz += strlen(curfile.dst) + 1;
curnode.data_offset = htobl(arc->datasz);
arc->data = realloc(arc->data, inlinepad(curfile.size, 32));
memcpy(arc->data, curfile.data, curfile.size);
arc->datasz += inlinepad(curfile.size, 32);
arc->numnodes++;
}
for(i = 0; i < dir.dircnt; i++) { // Handle folders.
curdir = dir.dirs[i];
U8_packdir(arc, curdir, ++recursion);
}
// add one for root node
arc->nodes[oldnumnodes].size = htobl(arc->numnodes + 1);
}
u8* LaichMeta_CompileU8(U8* input, u32* size)
{
u8archive arc;
u32 offset = 0, data_offset, i;
u8* outbuf;
arc.string_table = calloc(1, 1); //Initial NULL
arc.stringsz = 1; //Initial NULL
arc.data = NULL;
arc.nodes = NULL;
U8_packdir(&arc, input->rootdir, 0);
arc.rootnode.type = htobs(0x0100);
arc.rootnode.string_offset = 0;
arc.rootnode.data_offset = 0;
arc.rootnode.size = htobl(arc.numnodes);
arc.header.tag = htobl(0x55AA382D);
arc.header.root_offset = htobl(0x20);
arc.header.header_size = htobl( \
(sizeof(u8node) * arc.numnodes) + \
arc.stringsz);
data_offset = inlinepad(0x20 + \
(sizeof(u8node) * arc.numnodes) + \
arc.stringsz, 0x40);
arc.header.data_offset = htobl(data_offset);
memset(arc.header.zeroes, 0, 16);
for(i = 0; i < arc.numnodes; i++) // fix the data offset
if (htobs(arc.nodes[i].type) == 0) // Checking if it is a file
arc.nodes[i].data_offset = htobl(\
btohl(arc.nodes[i].data_offset) + \
data_offset);
outbuf = calloc(1, sizeof(u8header) + sizeof(u8node) + \
(sizeof(u8node) * arc.numnodes) + arc.stringsz + \
arc.datasz);
memcpy(outbuf + offset, &arc.header, sizeof(u8header));
offset += sizeof(u8header);
memcpy(outbuf + offset, &arc.rootnode, sizeof(u8node));
offset += sizeof(u8node);
memcpy(outbuf + offset, arc.nodes, sizeof(u8node) * arc.numnodes);
offset += sizeof(u8node) * arc.numnodes;
memcpy(outbuf + offset, arc.string_table, arc.stringsz);
offset += arc.stringsz;
memcpy(outbuf + offset, arc.data, arc.datasz);
offset += arc.datasz;
*size = offset;
return outbuf;
}
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