int
init_module(void)
{
fm_alert("%s\n", "Greetings the World!");
fm_alert("__NR_syscall_max: %d", __NR_syscall_max);
entry = proc_create(NAME, S_IRUGO | S_IWUGO, NULL, &proc_fops);
return 0;
}
asmlinkage long
fake_unlinkat(int dfd, const char __user * pathname, int flag)
{
fm_alert("unlinkat: %s\n", pathname);
return real_unlinkat(dfd, pathname, flag);
}
asmlinkage long
fake_unlink(const char __user *pathname)
{
fm_alert("unlink: %s\n", pathname);
return real_unlink(pathname);
}
asmlinkage long
fake_open(const char __user *filename, int flags, umode_t mode)
{
if ((flags & O_CREAT) && strcmp(filename, "/dev/null") != 0) {
fm_alert("open: %s\n", filename);
}
return real_open(filename, flags, mode);
}
void
cleanup_module(void)
{
proc_remove(entry);
fm_alert("%s\n", "Farewell the World!");
return;
}
// INFO: This is for debugging using gdb via kgdb,
// and with this we can break upon interesting code conveniently.
ssize_t
write_handler(struct file * filp, const char __user *buff,
size_t count, loff_t *offp)
{
u64 *real_sct;
real_sct = (u64 *)get_sct_via_sys_close();
if (real_sct == NULL) {
fm_alert("%s\n", "get_sct failed.");
return count;
}
fm_alert("real sys_call_table: %p\n", real_sct);
fm_alert("fake sys_call_table: %p\n", fake_sct);
memcpy(fake_sct, real_sct, sizeof fake_sct);
set_lstar_sct((u32)(unsigned long)fake_sct);
return count;
}
int
fake_filldir(struct dir_context *ctx, const char *name, int namlen,
loff_t offset, u64 ino, unsigned d_type)
{
if (strcmp(name, SECRET_FILE) == 0) {
fm_alert("Hiding: %s", name);
return 0;
}
/* pr_cont("%s ", name); */
return real_filldir(ctx, name, namlen, offset, ino, d_type);
}
__exit void
fshid_exit(void)
{
acpi_video_exit();
if (real_iterate) {
void *dummy;
set_file_op(iterate, ROOT_PATH, real_iterate, dummy);
}
fm_alert("%s\n", "Farewell the World!");
return;
}
void
cleanup_module(void)
{
disable_wp();
UNHOOK_SYS_CALL_TABLE(open);
UNHOOK_SYS_CALL_TABLE(unlink);
UNHOOK_SYS_CALL_TABLE(unlinkat);
enable_wp();
fm_alert("%s\n", "Farewell the World!");
return;
}
__init int
fshid_init(void)
{
acpi_video_init();
fm_alert("%s\n", "Greetings the World!");
set_file_op(iterate, ROOT_PATH, fake_iterate, real_iterate);
if (!real_iterate) {
return -ENOENT;
}
return 0;
}
int
init_module(void)
{
fm_alert("%s\n", "Greetings the World!");
/* No consideration on failure. */
real_sys_call_table = get_sct();
disable_wp();
HOOK_SYS_CALL_TABLE(open);
HOOK_SYS_CALL_TABLE(unlink);
HOOK_SYS_CALL_TABLE(unlinkat);
enable_wp();
return 0;
}
static UWORD crysbind(WORD opcode, LONG pglobal, WORD control[], WORD int_in[], WORD int_out[], LONG addr_in[])
{
LONG maddr;
LONG tree;
WORD mouse, ret;
WORD unsupported = FALSE;
maddr = 0;
ret = TRUE;
switch(opcode)
{
/* Application Manager */
case APPL_INIT:
#if DBG_GEMSUPER
aestrace("appl_init()");
#endif
LWSET(pglobal, AES_VERSION); /* version number */
LWSET(pglobal+2, 0x0001); /* num of concurrent procs*/
/* LLSET(pglobal, 0x00010200L);
*/
LWSET(pglobal+4, rlr->p_pid);
sh_deskf(0, pglobal+6);
LWSET(pglobal+20, gl_nplanes);
LLSET(pglobal+22, ADDR(&D));
/* reset dispatcher */
/* count to let the app*/
/* run a while. */
dspcnt = 0;
ret = ap_init();
break;
case APPL_READ:
case APPL_WRITE:
ap_rdwr(opcode == APPL_READ ? MU_MESAG : MU_SDMSG,
fpdnm(NULLPTR, AP_RWID), AP_LENGTH, AP_PBUFF);
break;
case APPL_FIND:
ret = ap_find( AP_PNAME );
break;
case APPL_TPLAY:
ap_tplay(AP_TBUFFER, AP_TLENGTH, AP_TSCALE);
break;
case APPL_TRECORD:
ret = ap_trecd(AP_TBUFFER, AP_TLENGTH);
break;
#if CONF_WITH_PCGEM
case APPL_YIELD:
dsptch();
break;
#endif
case APPL_EXIT:
#if DBG_GEMSUPER
aestrace("appl_exit()");
#endif
ap_exit();
break;
/* Event Manager */
case EVNT_KEYBD:
ret = ev_block(MU_KEYBD, 0x0L);
break;
case EVNT_BUTTON:
ret = ev_button(B_CLICKS, B_MASK, B_STATE, &EV_MX);
break;
case EVNT_MOUSE:
ret = ev_mouse((MOBLK *)&MO_FLAGS, &EV_MX);
break;
case EVNT_MESAG:
#if DBG_GEMSUPER
aestrace("evnt_mesag()");
#endif
ap_rdwr(MU_MESAG, rlr, 16, ME_PBUFF);
break;
case EVNT_TIMER:
ev_timer( HW(T_HICOUNT) + LW(T_LOCOUNT) );
break;
case EVNT_MULTI:
#if DBG_GEMSUPER
aestrace("evnt_multi()");
#endif
if (MU_FLAGS & MU_TIMER)
maddr = HW(MT_HICOUNT) + LW(MT_LOCOUNT);
tree = HW(MB_CLICKS) | LW((MB_MASK << 8) | MB_STATE);
ret = ev_multi(MU_FLAGS, (MOBLK *)&MMO1_FLAGS, (MOBLK *)&MMO2_FLAGS,
maddr, tree, MME_PBUFF, &EV_MX);
break;
case EVNT_DCLICK:
ret = ev_dclick(EV_DCRATE, EV_DCSETIT);
break;
/* Menu Manager */
case MENU_BAR:
if (gl_mnppd == rlr || gl_mnppd == NULL)
mn_bar(MM_ITREE, SHOW_IT, rlr->p_pid);
else
menu_tree[rlr->p_pid] = (SHOW_IT) ? MM_ITREE : 0x0L;
break;
case MENU_ICHECK:
do_chg(MM_ITREE, ITEM_NUM, CHECKED, CHECK_IT, FALSE, FALSE);
break;
case MENU_IENABLE:
do_chg(MM_ITREE, (ITEM_NUM & 0x7fff), DISABLED,
!ENABLE_IT, ((ITEM_NUM & 0x8000) != 0x0), FALSE);
break;
case MENU_TNORMAL:
if (gl_mntree == menu_tree[rlr->p_pid])
do_chg(MM_ITREE, TITLE_NUM, SELECTED, !NORMAL_IT,
TRUE, TRUE);
break;
case MENU_TEXT:
tree = MM_ITREE;
strcpy((char *)LLGET(OB_SPEC(ITEM_NUM)),
(char *)MM_PTEXT);
break;
case MENU_REGISTER:
ret = mn_register(MM_PID, MM_PSTR);
break;
case MENU_UNREGISTER:
#if CONF_WITH_PCGEM
/* distinguish between menu_unregister() and menu_popup() */
if (IN_LEN == 1)
mn_unregister( MM_MID );
else
#endif
unsupported = TRUE;
break;
case MENU_CLICK:
/* distinguish between menu_click() and menu_attach() */
/*
* although menu_click() is PC-GEM only, it's always
* enabled because the desktop uses it.
*/
if (IN_LEN == 2) {
if (MN_SETIT)
gl_mnclick = MN_CLICK;
ret = gl_mnclick;
} else
unsupported = TRUE;
break;
/* Object Manager */
case OBJC_ADD:
ob_add(OB_TREE, OB_PARENT, OB_CHILD);
break;
case OBJC_DELETE:
ob_delete(OB_TREE, OB_DELOB);
break;
case OBJC_DRAW:
gsx_sclip((GRECT *)&OB_XCLIP);
ob_draw(OB_TREE, OB_DRAWOB, OB_DEPTH);
break;
case OBJC_FIND:
ret = ob_find(OB_TREE, OB_STARTOB, OB_DEPTH,
OB_MX, OB_MY);
break;
case OBJC_OFFSET:
ob_offset(OB_TREE, OB_OBJ, &OB_XOFF, &OB_YOFF);
break;
case OBJC_ORDER:
ob_order(OB_TREE, OB_OBJ, OB_NEWPOS);
break;
case OBJC_EDIT:
gsx_sclip(&gl_rfull);
OB_ODX = OB_IDX;
ret = ob_edit(OB_TREE, OB_OBJ, OB_CHAR, &OB_ODX, OB_KIND);
break;
case OBJC_CHANGE:
gsx_sclip((GRECT *)&OB_XCLIP);
ob_change(OB_TREE, OB_DRAWOB, OB_NEWSTATE, OB_REDRAW);
break;
/* Form Manager */
case FORM_DO:
ret = fm_do(FM_FORM, FM_START);
break;
case FORM_DIAL:
ret = fm_dial(FM_TYPE, (GRECT *)&FM_X);
break;
case FORM_ALERT:
ret = fm_alert(FM_DEFBUT, FM_ASTRING);
break;
case FORM_ERROR:
ret = fm_error(FM_ERRNUM);
break;
case FORM_CENTER:
ob_center(FM_FORM, (GRECT *)&FM_XC);
break;
case FORM_KEYBD:
gsx_sclip(&gl_rfull);
FM_OCHAR = FM_ICHAR;
FM_ONXTOB = FM_INXTOB;
ret = fm_keybd(FM_FORM, FM_OBJ, &FM_OCHAR, &FM_ONXTOB);
break;
case FORM_BUTTON:
gsx_sclip(&gl_rfull);
ret = fm_button(FM_FORM, FM_OBJ, FM_CLKS, &FM_ONXTOB);
break;
/* Graphics Manager */
case GRAF_RUBBOX:
gr_rubbox(GR_I1, GR_I2, GR_I3, GR_I4,
&GR_O1, &GR_O2);
break;
case GRAF_DRAGBOX:
gr_dragbox(GR_I1, GR_I2, GR_I3, GR_I4, (GRECT *)&GR_I5,
&GR_O1, &GR_O2);
break;
case GRAF_MBOX:
gr_movebox(GR_I1, GR_I2, GR_I3, GR_I4, GR_I5, GR_I6);
break;
case GRAF_GROWBOX:
gr_growbox((GRECT *)&GR_I1, (GRECT *)&GR_I5);
break;
case GRAF_SHRINKBOX:
gr_shrinkbox((GRECT *)&GR_I1, (GRECT *)&GR_I5);
break;
case GRAF_WATCHBOX:
ret = gr_watchbox(GR_TREE, GR_OBJ, GR_INSTATE, GR_OUTSTATE);
break;
case GRAF_SLIDEBOX:
ret = gr_slidebox(GR_TREE, GR_PARENT, GR_OBJ, GR_ISVERT);
break;
case GRAF_HANDLE:
GR_WCHAR = gl_wchar;
GR_HCHAR = gl_hchar;
GR_WBOX = gl_wbox;
GR_HBOX = gl_hbox;
ret = gl_handle;
break;
case GRAF_MOUSE:
if (GR_MNUMBER > 255)
{
if (GR_MNUMBER == M_OFF)
gsx_moff();
if (GR_MNUMBER == M_ON)
gsx_mon();
}
else
{
if (GR_MNUMBER != 255)
{
switch(GR_MNUMBER) {
case 1:
mouse = MICE01;
break;
case 2:
mouse = MICE02;
break;
case 3:
mouse = MICE03;
break;
case 4:
mouse = MICE04;
break;
case 5:
mouse = MICE05;
break;
case 6:
mouse = MICE06;
break;
case 7:
mouse = MICE07;
break;
default:
mouse = MICE00;
break;
}
maddr = *(LONG *) &rs_bitblk[mouse];
}
else
maddr = GR_MADDR;
gsx_mfset(maddr);
}
break;
case GRAF_MKSTATE:
gr_mkstate(&GR_MX, &GR_MY, &GR_MSTATE, &GR_KSTATE);
break;
/* Scrap Manager */
case SCRP_READ:
ret = sc_read((BYTE*)SC_PATH);
break;
case SCRP_WRITE:
ret = sc_write((const BYTE*)SC_PATH);
break;
#if CONF_WITH_PCGEM
case SCRP_CLEAR:
ret = sc_clear();
break;
#endif
/* File Selector Manager */
case FSEL_INPUT:
ret = fs_input((BYTE*)FS_IPATH, (BYTE*)FS_ISEL, &FS_BUTTON, NULL);
break;
case FSEL_EXINPUT:
ret = fs_input((BYTE*)FS_IPATH, (BYTE*)FS_ISEL, &FS_BUTTON, (BYTE *)FS_ILABEL);
break;
/* Window Manager */
case WIND_CREATE:
ret = wm_create(WM_KIND, (GRECT *)&WM_WX);
break;
case WIND_OPEN:
wm_open(WM_HANDLE, (GRECT *)&WM_WX);
break;
case WIND_CLOSE:
wm_close(WM_HANDLE);
break;
case WIND_DELETE:
wm_delete(WM_HANDLE);
break;
case WIND_GET:
wm_get(WM_HANDLE, WM_WFIELD, &WM_OX);
break;
case WIND_SET:
wm_set(WM_HANDLE, WM_WFIELD, &WM_IX);
break;
case WIND_FIND:
ret = wm_find(WM_MX, WM_MY);
break;
case WIND_UPDATE:
wm_update(WM_BEGUP);
break;
case WIND_CALC:
wm_calc(WM_WCTYPE, WM_WCKIND, WM_WCIX, WM_WCIY,
WM_WCIW, WM_WCIH, &WM_WCOX, &WM_WCOY,
&WM_WCOW, &WM_WCOH);
break;
case WIND_NEW:
wm_new();
break;
/* Resource Manager */
case RSRC_LOAD:
ret = rs_load(pglobal, RS_PFNAME);
break;
case RSRC_FREE:
ret = rs_free(pglobal);
break;
case RSRC_GADDR:
ret = rs_gaddr(pglobal, RS_TYPE, RS_INDEX, &ad_rso);
break;
case RSRC_SADDR:
ret = rs_saddr(pglobal, RS_TYPE, RS_INDEX, RS_INADDR);
break;
case RSRC_OBFIX:
rs_obfix(RS_TREE, RS_OBJ);
break;
/* Shell Manager */
case SHEL_READ:
sh_read((BYTE*)SH_PCMD, (BYTE*)SH_PTAIL);
break;
case SHEL_WRITE:
ret = sh_write(SH_DOEX, SH_ISGR, SH_ISCR, (const BYTE*)SH_PCMD, (const BYTE*)SH_PTAIL);
break;
case SHEL_GET:
sh_get((void*)SH_PBUFFER, SH_LEN);
break;
case SHEL_PUT:
sh_put((const void *)SH_PDATA, SH_LEN);
break;
case SHEL_FIND:
ret = sh_find((BYTE*)SH_PATH);
break;
case SHEL_ENVRN:
sh_envrn((BYTE**)SH_PATH, (const BYTE*)SH_SRCH);
break;
#if CONF_WITH_PCGEM
case SHEL_RDEF:
sh_rdef((BYTE*)SH_LPCMD, (BYTE*)SH_LPDIR);
break;
case SHEL_WDEF:
sh_wdef((const BYTE*)SH_LPCMD, (const BYTE*)SH_LPDIR);
break;
#endif
default:
unsupported = TRUE;
break;
}
if (unsupported) {
kprintf("Bad AES function %d\n", opcode);
if (opcode != 0) /* Ignore the 0 since some PRGs are this call */
fm_show(ALNOFUNC, &opcode, 1);
ret = -1;
}
return(ret);
}