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metasploit-gs/api/Msf/Exploit/Local/Linux.html
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Module: Msf::Exploit::Local::Linux
&mdash; Documentation by YARD 0.9.37
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<span class='title'><span class='object_link'><a href="../../../Msf.html" title="Msf (module)">Msf</a></span></span> &raquo; <span class='title'><span class='object_link'><a href="../../Exploit.html" title="Msf::Exploit (class)">Exploit</a></span></span> &raquo; <span class='title'><span class='object_link'><a href="../Local.html" title="Msf::Exploit::Local (class)">Local</a></span></span>
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<div id="content"><h1>Module: Msf::Exploit::Local::Linux
</h1>
<div class="box_info">
<dl>
<dt>Includes:</dt>
<dd><span class='object_link'><a href="CompileC.html" title="Msf::Exploit::Local::CompileC (module)">CompileC</a></span></dd>
</dl>
<dl>
<dt>Defined in:</dt>
<dd>lib/msf/core/exploit/local/linux.rb</dd>
</dl>
</div>
<h2>Instance Attribute Summary</h2>
<h3 class="inherited">Attributes included from <span class='object_link'><a href="CompileC.html" title="Msf::Exploit::Local::CompileC (module)">CompileC</a></span></h3>
<p class="inherited"><span class='object_link'><a href="CompileC.html#cparser-instance_method" title="Msf::Exploit::Local::CompileC#cparser (method)">#cparser</a></span>, <span class='object_link'><a href="CompileC.html#cpu-instance_method" title="Msf::Exploit::Local::CompileC#cpu (method)">#cpu</a></span></p>
<h2>
Instance Method Summary
<small><a href="#" class="summary_toggle">collapse</a></small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#linux_x86_syscall_wrappers-instance_method" title="#linux_x86_syscall_wrappers (instance method)">#<strong>linux_x86_syscall_wrappers</strong>(metasm_exe) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
</ul>
<h3 class="inherited">Methods included from <span class='object_link'><a href="CompileC.html" title="Msf::Exploit::Local::CompileC (module)">CompileC</a></span></h3>
<p class="inherited"><span class='object_link'><a href="CompileC.html#init_metasm-instance_method" title="Msf::Exploit::Local::CompileC#init_metasm (method)">#init_metasm</a></span>, <span class='object_link'><a href="CompileC.html#setup-instance_method" title="Msf::Exploit::Local::CompileC#setup (method)">#setup</a></span></p>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="linux_x86_syscall_wrappers-instance_method">
#<strong>linux_x86_syscall_wrappers</strong>(metasm_exe) &#x21d2; <tt>Object</tt>
</h3><table class="source_code">
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</td>
<td>
<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/local/linux.rb', line 7</span>
<span class='kw'>def</span> <span class='id identifier rubyid_linux_x86_syscall_wrappers'>linux_x86_syscall_wrappers</span><span class='lparen'>(</span><span class='id identifier rubyid_metasm_exe'>metasm_exe</span><span class='rparen'>)</span>
<span class='id identifier rubyid_cparser'>cparser</span><span class='period'>.</span><span class='id identifier rubyid_parse'>parse</span> <span class='heredoc_beg'>&lt;&lt;-EOC</span>
<span class='tstring_content'> #ifndef size_t
#define size_t int
#endif
#ifndef off_t
#define off_t unsigned long
#endif
#define O_CREAT 64
#define O_RDWR 2
#define MAP_PRIVATE 0x02
#define MAP_FIXED 0x10
#define MAP_ANONYMOUS 0x20
#define MAP_ANON MAP_ANONYMOUS
#define MAP_FAILED ((void *)-1)
#define PROT_READ 0x1
#define PROT_WRITE 0x2
#define PROT_EXEC 0x4
void exit(int status);
int read(int fd, void *buf, size_t count);
int write(int fd, void *buf, size_t count);
int open(const char *pathname, int flags, int mode);
int unlink(const char *pathname);
int ftruncate(int fd, off_t length);
int socket(int, int, int);
int sendfile(int in_fd, int out_fd, void *, int count);
void *__mmap2(void *addr, size_t length, int prot, int flags, int fd, off_t offset);
#ifdef DEBUGGING
void sigtrap();
#else
#define sigtrap()
#endif
void *__get_tls();
</span><span class='heredoc_end'> EOC
</span> <span class='id identifier rubyid_metasm_exe'>metasm_exe</span><span class='period'>.</span><span class='id identifier rubyid_parse'>parse</span> <span class='heredoc_beg'>&lt;&lt;-EOS</span>
<span class='tstring_content'> sigtrap:
int 3
ret
exit:
mov eax, 1 ; sys_exit
mov ebx, [esp+4]
int 0x80
ret
read:
mov eax, 3 ; sys_write
mov edx,[esp+12] ; length
mov ecx,[esp+8] ; string
mov ebx,[esp+4] ; file descriptor
int 0x80
ret
write:
mov eax, 4 ; sys_write
mov edx,[esp+12] ; length
mov ecx,[esp+8] ; string
mov ebx,[esp+4] ; file descriptor
int 0x80
ret
open:
mov eax, 5 ; sys_open
mov edx,[esp+12] ; mode
mov ecx,[esp+8] ; flags
mov ebx,[esp+4] ; file name
int 0x80
cmp eax, -129
jb 1f
neg eax
push eax
call __set_errno
add esp, 4
or eax, -1
1:
ret
ftruncate:
push ebx
push ecx
mov eax, 93 ; sys_ftruncate
mov ecx,[esp+16] ; file descriptor
mov ebx,[esp+12] ; size
int 0x80
cmp eax, -129
jb 1f
neg eax
push eax
call __set_errno
add esp, 4
or eax, -1
1:
pop ecx
pop ebx
ret
socket:
push ebx
push ecx
mov eax, 102 ; sys_socketcall
mov ebx, 1
mov ecx, esp
add ecx, 12
int 0x80
cmp eax, -129
jb 1f
neg eax
push eax
call __set_errno
add esp, 4
or eax, -1
1:
pop ecx
pop ebx
ret
sendfile:
push ebx
push ecx
push edx
push esi
mov eax, 187 ; sys_sendfile
mov esi,[esp+32] ; size
mov edx,[esp+28] ; offset
mov ecx,[esp+24] ; out_fd
mov ebx,[esp+20] ; in_fd
int 0x80
cmp eax, -129
jb 1f
neg eax
push eax
call __set_errno
add esp, 4
or eax, -1
1:
pop esi
pop edx
pop ecx
pop ebx
ret
unlink:
mov eax, 10 ; sys_unlink
mov ebx,[esp+4] ; filename
int 0x80
ret
; stolen from bionic
__mmap2:
push ebx
push ecx
push edx
push esi
push edi
push ebp
mov eax, 192
mov ebx, [esp+28]
mov ecx, [esp+32]
mov edx, [esp+36]
mov esi, [esp+40]
mov edi, [esp+44]
mov ebp, [esp+48]
int 0x80
cmp eax, -129
jb 1f
neg eax
push eax
call __set_errno
add esp, 4
or eax, -1
1:
pop ebp
pop edi
pop esi
pop edx
pop ecx
pop ebx
ret
; Thread Local Storage, used by errno
__get_tls:
mov eax, gs:[0]
ret
</span><span class='heredoc_end'> EOS
</span>
<span class='kw'>end</span></pre>
</td>
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Generated on Fri May 8 17:01:28 2026 by
<a href="https://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
0.9.37 (ruby-3.1.5).
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