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Relicense as MIT.

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This commit is contained in:
Marisa the Magician 2020-10-25 10:56:47 +01:00
commit 37232c84e5
22 changed files with 196 additions and 787 deletions
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78
unrundeleter.c
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@ -146,7 +146,7 @@ int32_t readimport( void )
{
readindex();
readindex();
if ( head->pkgver >= 60 ) fpos += 4;
if ( head->pkgver >= 55 ) fpos += 4;
else readindex();
return readindex();
}
@ -167,8 +167,8 @@ void readimport2( int32_t *cpkg, int32_t *cname, int32_t *pkg, int32_t *name )
{
*cpkg = readindex();
*cname = readindex();
if ( head->pkgver >= 60 ) *pkg = readdword();
else *pkg = readindex();
if ( head->pkgver >= 55 ) *pkg = readdword();
else *pkg = 0;
*name = readindex();
}
@ -187,7 +187,7 @@ void readexport( int32_t *class, int32_t *ofs, int32_t *siz, int32_t *name )
{
*class = readindex();
readindex();
if ( head->pkgver >= 60 ) fpos += 4;
if ( head->pkgver >= 55 ) fpos += 4;
*name = readindex();
fpos += 4;
*siz = readindex();
@ -210,8 +210,8 @@ void readexport2( int32_t *class, int32_t *super, int32_t *pkg, int32_t *name,
{
*class = readindex();
*super = readindex();
if ( head->pkgver >= 60 ) *pkg = readdword();
else *pkg = readindex();
if ( head->pkgver >= 55 ) *pkg = readdword();
else *pkg = 0;
*name = readindex();
*flags = readdword();
*siz = readindex();
@ -261,7 +261,6 @@ int main( int argc, char **argv )
fpos += r;
}
while ( r > 0 );
close(fd);
fpos = 0;
if ( head->magic != UPKG_MAGIC )
{
@ -279,8 +278,8 @@ int main( int argc, char **argv )
fpos = head->oexports;
for ( uint32_t i=0; i<head->nexports; i++ )
{
int32_t class, ofs, siz, name;
readexport(&class,&ofs,&siz,&name);
int32_t class, super, pkg, name, flags, siz, ofs;
readexport2(&class,&super,&pkg,&name,&flags,&siz,&ofs);
if ( (siz <= 0) || (class >= 0) ) continue;
// check the class
class = -class-1;
@ -292,8 +291,23 @@ int main( int argc, char **argv )
// begin reading data
size_t prev = fpos;
fpos = ofs;
if ( head->pkgver < 40 ) fpos += 8;
if ( head->pkgver < 60 ) fpos += 16;
if ( head->pkgver < 45 ) fpos += 4;
if ( head->pkgver < 55 ) fpos += 16;
if ( head->pkgver <= 44 ) fpos -= 6; // ???
if ( head->pkgver == 45 ) fpos -= 2; // ???
if ( head->pkgver == 41 ) fpos += 2; // ???
if ( head->pkgver <= 35 ) fpos += 8; // ???
// process stack
if ( flags&0x2000000 )
{
int32_t node = readindex();
readindex();
readdword();
readdword();
readdword();
if ( node != 0 ) readindex();
}
// process properties
int32_t prop = readindex();
if ( (uint32_t)prop >= head->nnames )
{
@ -303,12 +317,21 @@ int main( int argc, char **argv )
}
char *pname = (char*)(pkgfile+getname(prop,&l));
retry:
if ( strncasecmp(pname,"none",l) )
if ( strncasecmp(pname,"None",l) )
{
size_t ptr = fpos;
uint8_t info = readbyte();
int ptype = info&0xf;
int array = info&0x80;
int type = info&0xf;
int psiz = (info>>4)&0x7;
int parr = (info>>7)&0x1;
int32_t tl = 0;
char *sname;
if ( type == 10 )
{
int32_t sn;
sn = readindex();
sname = (char*)(pkgfile+getname(sn,&tl));
}
switch ( psiz )
{
case 0:
@ -336,26 +359,29 @@ retry:
psiz = readdword();
break;
}
fpos += psiz;
printf(" %zu: Skipping property %.*s of size %d and type %d (%d)\n",fpos,l,pname,psiz,ptype,parr);
if ( (ptype != 3) && parr )
//printf(" prop %.*s (%u, %u, %u, %u)\n",l,pname,array,type,(info>>4)&7,psiz);
//if ( tl ) printf(" struct: %.*s\n",tl,sname);
if ( array && (type != 3) )
{
printf("%d\n",readbyte());
return 1;
int idx = readindex();
//printf(" index: %d\n",idx);
}
fpos += psiz;
// set bDeleteMe to false
if ( !strncasecmp(pname,"bDeleteMe",l) && array )
{
printf(" toggled bDeleteMe\n");
lseek(fd,ptr,SEEK_SET);
info &= ~0x80;
write(fd,&info,1);
}
prop = readindex();
printf("prop: %d\n",prop);
pname = (char*)(pkgfile+getname(prop,&l));
// TODO figure out how the fuck structs and arrays actually are structured
// because the documentation for this is illegible
if ( ptype == 10 )
{
}
goto retry;
}
fpos = prev;
}
free(pkgfile);
close(fd);
return 0;
}