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https://github.com/radareorg/radare2.git
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c5303272d9
- r_cons_user_fgets() is a configurable function pointer - Simplify build * Initial import of r_sysproxy - Directly copied from r1 (no api or anything working yet) * R_APIze r_vm and r_print * Make r_core_seek more consistent * Move r_cons_progressbar() to r_print * Rename visual 'x' -> 'w' (oops) - 'a' and 'w' are now compatible with cursor mode * Implement r_sys_usleep() on w32 and fix r_sys_sleep()
68 lines
994 B
ArmAsm
68 lines
994 B
ArmAsm
.code32
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.global process_syscall, len_shcode
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# th0rpe - 08-27-2007
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process_syscall:
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#ifdef LISTENER_TCP
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#include "listeners/lis_socket_tcp.S"
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#else
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/* for testing you must compile with 'test_srv.c' */
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#include "listeners/getsock.S"
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#endif
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# save connection descriptor
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pushl %ebx
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# alloc space for syscalls packet
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subl $2048, %esp
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# write buffer address
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write_buffer:
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movl %esp, %ecx
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movl %esp, (%ecx)
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movl $4, %edx
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movl %edx, %eax
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int $0x80
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read_request:
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# read request
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movl %esp, %ecx
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movl $2048, %edx
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movl $3, %eax
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int $0x80
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# check minimal length
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cmpl $32,%eax
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jl err_process
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# exec syscall
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popal
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exec_syscall:
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int $0x80
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# restore stack pointer
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subl $32, %esp
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# save eax result
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movl %eax, 28(%esp)
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# write response
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movl %esp, %ecx
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movl $2048, %edx
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# restore ebx register with connecion descriptor
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movl 2048(%esp), %ebx
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movl $4, %eax
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int $0x80
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jmp read_request
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err_process:
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movl $0xfc,%eax
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int $0x80
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len_shcode:
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.long len_shcode - process_syscall
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