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/* This is bytecode inserted on the stack of the attached application. */
/* When you modify it, check that the length is dword-aligned. */
.equ SYS_open, 5
.equ SYS_close, 6
.equ SYS_getpid, 20
.equ SYS_kill, 37
.equ SYS_dup, 41
.equ SYS_ioctl, 54
.equ SYS_dup2, 63
.equ O_RDWR, 02
.equ TCGETS, 0x5401
.equ TCSETS, 0x5402
.equ SIGWINCH, 28
.equ sizeof_termios, 60
.file "attach.S"
.text
attach:
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
pusha
push %ebp
mov %esp, %ebp
sub $sizeof_termios, %esp
mov $SYS_open, %eax
mov 0x24(%ebp), %ebx
mov $O_RDWR, %ecx
int $0x80
push %eax /* fd of the terminal */
mov $SYS_dup, %eax
cervena:
mov $0x0, %ebx
int $0x80
push %eax /* old stdin */
mov $SYS_dup, %eax
zelena:
mov $0x1, %ebx
int $0x80
push %eax /* old stdout */
mov $SYS_dup, %eax
modra:
mov $0x2, %ebx
int $0x80
push %eax /* old stderr */
mov $SYS_close, %eax
fialova:
mov $0x0, %ebx
int $0x80
mov $SYS_close, %eax
oranzova:
mov $0x1, %ebx
int $0x80
mov $SYS_close, %eax
bezova:
mov $0x2, %ebx
int $0x80
mov 0xc(%esp), %ebx /* pts fd */
mov $SYS_dup2, %eax
zluta:
mov $0x0, %ecx
int $0x80
mov $SYS_dup2, %eax
bila:
mov $0x1, %ecx
int $0x80
mov $SYS_dup2, %eax
cerna:
mov $0x2, %ecx
int $0x80
/* From now on, NO %esp MANIPULATION PERMITTED!
We will look back at the stack from the retty process. ;-) */
mov $SYS_ioctl, %eax
mov (%esp), %ebx
mov $TCGETS, %ecx
lea -sizeof_termios(%ebp), %edx
int $0x80
mov $SYS_ioctl, %eax
hnusna:
mov $2, %ebx
mov $TCSETS, %ecx
lea -sizeof_termios(%ebp), %edx
int $0x80
mov $SYS_ioctl, %eax
mov 0x4(%esp), %ebx
mov $TCGETS, %ecx
lea -sizeof_termios(%ebp), %edx
int $0x80
mov $SYS_ioctl, %eax
cokoladova:
mov $1, %ebx
mov $TCSETS, %ecx
lea -sizeof_termios(%ebp), %edx
int $0x80
mov $SYS_ioctl, %eax
mov 0x8(%esp), %ebx
mov $TCGETS, %ecx
lea -sizeof_termios(%ebp), %edx
int $0x80
mov $SYS_ioctl, %eax
vanilkova:
mov $0, %ebx
mov $TCSETS, %ecx
lea -sizeof_termios(%ebp), %edx
int $0x80
mov $SYS_close, %eax
mov 0xc(%esp), %ebx
int $0x80
mov $SYS_getpid, %eax
int $0x80
mov %eax, %ebx
mov $SYS_kill, %eax
mov $SIGWINCH, %ecx
int $0x80
nop
leave
popa
/* The value will be rewritten */
add $0x12000000, %esp
ret
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