package c::stuff; # $Id: stuff.pm 214710 2005-12-15 09:14:01Z prigaux $
use strict;
use vars qw($VERSION @ISA);
require DynaLoader;
@ISA = qw(DynaLoader);
$VERSION = '0.01';
# perl_checker: EXPORT-ALL
c::stuff->bootstrap($VERSION);
1;
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<a href='/software/drakx/?h=user/erwan/bug-13680'>summary</a><a href='/software/drakx/refs/?h=user/erwan/bug-13680&id=48dc8c9b563b1d3f63689eb947bac9cb97bff90d'>refs</a><a href='/software/drakx/log/perl-install/devices.pm?h=user/erwan/bug-13680'>log</a><a class='active' href='/software/drakx/tree/perl-install/devices.pm?h=user/erwan/bug-13680&id=48dc8c9b563b1d3f63689eb947bac9cb97bff90d'>tree</a><a href='/software/drakx/commit/perl-install/devices.pm?h=user/erwan/bug-13680&id=48dc8c9b563b1d3f63689eb947bac9cb97bff90d'>commit</a><a href='/software/drakx/diff/perl-install/devices.pm?h=user/erwan/bug-13680&id=48dc8c9b563b1d3f63689eb947bac9cb97bff90d'>diff</a><a href='/software/drakx/stats/perl-install/devices.pm?h=user/erwan/bug-13680'>stats</a></td><td class='form'><form class='right' method='get' action='/software/drakx/log/perl-install/devices.pm'>
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</pre></td>
<td class='lines'><pre><code><span class="hl kwa">package</span> devices<span class="hl opt">;</span> <span class="hl slc"># $Id$</span>
<span class="hl kwa">use</span> diagnostics<span class="hl opt">;</span>
<span class="hl kwa">use</span> strict<span class="hl opt">;</span>
<span class="hl kwa">use</span> common<span class="hl opt">;</span>
<span class="hl kwa">use</span> run_program<span class="hl opt">;</span>
<span class="hl kwa">use</span> <span class="hl kwc">log</span><span class="hl opt">;</span>
<span class="hl kwa">use</span> c<span class="hl opt">;</span>
<span class="hl kwa">sub</span> size <span class="hl opt">{</span>
<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$dev</span><span class="hl opt">) =</span> <span class="hl kwb">@_</span><span class="hl opt">;</span>
<span class="hl kwc">sysopen</span><span class="hl opt">(</span><span class="hl kwc">my</span> <span class="hl kwb">$F, $dev,</span> <span class="hl num">0</span><span class="hl opt">)</span> <span class="hl kwc">or log</span><span class="hl opt">::</span>l<span class="hl opt">(</span><span class="hl str">"open</span> <span class="hl ipl">$dev</span><span class="hl str">:</span> <span class="hl ipl">$!</span><span class="hl str">"</span><span class="hl opt">),</span> <span class="hl kwa">return</span> <span class="hl num">0</span><span class="hl opt">;</span>
<span class="hl kwc">my</span> <span class="hl kwb">$valid_offset</span> <span class="hl opt">=</span> <span class="hl kwa">sub</span> <span class="hl opt">{</span> <span class="hl kwc">sysseek</span><span class="hl opt">(</span><span class="hl kwb">$F, $_</span><span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl num">0</span><span class="hl opt">) &&</span> <span class="hl kwc">sysread</span><span class="hl opt">(</span><span class="hl kwb">$F,</span> <span class="hl kwc">my</span> <span class="hl kwb">$_a,</span> <span class="hl num">1</span><span class="hl opt">) };</span>
<span class="hl slc">#- first try getting the size nicely</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwc">my</span> <span class="hl kwb">$size</span> <span class="hl opt">=</span> c<span class="hl opt">::</span>total_sectors<span class="hl opt">(</span><span class="hl kwc">fileno</span> <span class="hl kwb">$F</span><span class="hl opt">)) {</span>
<span class="hl kwa">return</span> <span class="hl kwb">$size</span> <span class="hl opt">*</span> <span class="hl kwb">$common</span><span class="hl opt">::</span>SECTORSIZE<span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl slc">#- sad it did not work, well searching the size using the dichotomy algorithm!</span>
<span class="hl kwc">my</span> <span class="hl kwb">$low</span> <span class="hl opt">=</span> <span class="hl num">0</span><span class="hl opt">;</span>
<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$high, $mid</span><span class="hl opt">);</span>
<span class="hl slc">#- first find n where 2^n < size <= 2^n+1</span>
<span class="hl kwa">for</span> <span class="hl opt">(</span><span class="hl kwb">$high</span> <span class="hl opt">=</span> <span class="hl num">1</span><span class="hl opt">;</span> <span class="hl kwb">$high</span> <span class="hl opt">></span> <span class="hl num">0</span> <span class="hl opt">&&</span> <span class="hl kwb">$valid_offset</span><span class="hl opt">->(</span><span class="hl kwb">$high</span><span class="hl opt">);</span> <span class="hl kwb">$high</span> <span class="hl opt">*=</span> <span class="hl num">2</span><span class="hl opt">) {</span> <span class="hl kwb">$low</span> <span class="hl opt">=</span> <span class="hl kwb">$high</span> <span class="hl opt">}</span>
<span class="hl kwa">while</span> <span class="hl opt">(</span><span class="hl kwb">$low</span> <span class="hl opt"><</span> <span class="hl kwb">$high</span> <span class="hl opt">-</span> <span class="hl num">1</span><span class="hl opt">) {</span>
<span class="hl kwb">$mid</span> <span class="hl opt">=</span> <span class="hl kwc">int</span><span class="hl opt">((</span><span class="hl kwb">$low</span> <span class="hl opt">+</span> <span class="hl kwb">$high</span><span class="hl opt">) /</span> <span class="hl num">2</span><span class="hl opt">);</span>
<span class="hl kwb">$valid_offset</span><span class="hl opt">->(</span><span class="hl kwb">$mid</span><span class="hl opt">)</span> ? <span class="hl kwb">$low</span> <span class="hl opt">:</span> <span class="hl kwb">$high</span> <span class="hl opt">=</span> <span class="hl kwb">$mid</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwb">$low</span> <span class="hl opt">+</span> <span class="hl num">1</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> del_loop <span class="hl opt">{</span>
<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$dev</span><span class="hl opt">) =</span> <span class="hl kwb">@_</span><span class="hl opt">;</span>
run_program<span class="hl opt">::</span>run<span class="hl opt">(</span><span class="hl str">"losetup"</span><span class="hl opt">,</span> <span class="hl str">"-d"</span><span class="hl opt">,</span> <span class="hl kwb">$dev</span><span class="hl opt">);</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> find_free_loop<span class="hl opt">() {</span>
<span class="hl kwa">foreach</span> <span class="hl opt">(</span><span class="hl num">0</span><span class="hl opt">.</span><span class="hl num">.255</span><span class="hl opt">) {</span>
<span class="hl kwc">my</span> <span class="hl kwb">$dev</span> <span class="hl opt">=</span> make<span class="hl opt">(</span><span class="hl str">"loop</span><span class="hl ipl">$_</span><span class="hl str">"</span><span class="hl opt">);</span>
<span class="hl kwc">sysopen</span><span class="hl opt">(</span><span class="hl kwc">my</span> <span class="hl kwb">$F, $dev,</span> <span class="hl num">2</span><span class="hl opt">)</span> <span class="hl kwc">or</span> <span class="hl kwa">next</span><span class="hl opt">;</span>
<span class="hl opt">!</span><span class="hl kwc">ioctl</span><span class="hl opt">(</span><span class="hl kwb">$F,</span> c<span class="hl opt">::</span>LOOP_GET_STATUS<span class="hl opt">(),</span> <span class="hl kwc">my</span> <span class="hl kwb">$_tmp</span><span class="hl opt">) &&</span> <span class="hl kwb">$!</span> <span class="hl opt">==</span> <span class="hl num">6</span> <span class="hl kwc">or</span> <span class="hl kwa">next</span><span class="hl opt">;</span> <span class="hl slc">#- 6 == ENXIO</span>
<span class="hl kwa">return</span> <span class="hl kwb">$dev</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwc">die</span> <span class="hl str">"no free loop found"</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> set_loop <span class="hl opt">{</span>
<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$file, $o_encrypt_key, $o_encryption</span><span class="hl opt">) =</span> <span class="hl kwb">@_</span><span class="hl opt">;</span>
<span class="hl kwc">eval</span> <span class="hl opt">{</span> modules<span class="hl opt">::</span>load<span class="hl opt">(</span><span class="hl str">'loop'</span><span class="hl opt">) };</span>
<span class="hl kwc">my</span> <span class="hl kwb">$dev</span> <span class="hl opt">=</span> find_free_loop<span class="hl opt">();</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwb">$o_encrypt_key</span> <span class="hl opt">&&</span> <span class="hl kwb">$o_encryption</span><span class="hl opt">) {</span>
<span class="hl kwc">eval</span> <span class="hl opt">{</span> modules<span class="hl opt">::</span>load<span class="hl opt">(</span><span class="hl str">'cryptoloop'</span><span class="hl opt">,</span> <span class="hl str">'aes-i586'</span><span class="hl opt">) };</span>
<span class="hl kwc">my</span> <span class="hl kwb">$cmd</span> <span class="hl opt">=</span> <span class="hl str">"losetup -p 0 -e</span> <span class="hl ipl">$o_encryption</span> <span class="hl str"></span><span class="hl ipl">$dev</span> <span class="hl str"></span><span class="hl ipl">$file</span><span class="hl str">"</span><span class="hl opt">;</span>
<span class="hl kwc">log</span><span class="hl opt">::</span>l<span class="hl opt">(</span><span class="hl str">"calling</span> <span class="hl ipl">$cmd</span><span class="hl str">"</span><span class="hl opt">);</span>
<span class="hl kwc">open</span><span class="hl opt">(</span><span class="hl kwc">my</span> <span class="hl kwb">$F,</span> <span class="hl str">"|</span><span class="hl ipl">$cmd</span><span class="hl str">"</span><span class="hl opt">);</span>
<span class="hl kwc">print</span> <span class="hl kwb">$F $o_encrypt_key</span><span class="hl opt">;</span>
<span class="hl kwc">close</span> <span class="hl kwb">$F</span> <span class="hl kwc">or die</span> <span class="hl str">"losetup failed"</span><span class="hl opt">;</span>
<span class="hl opt">}</span> <span class="hl kwa">else</span> <span class="hl opt">{</span>
run_program<span class="hl opt">::</span>run<span class="hl opt">(</span><span class="hl str">"losetup"</span><span class="hl opt">,</span> <span class="hl kwb">$dev, $file</span><span class="hl opt">)</span> <span class="hl kwc">or</span> <span class="hl kwa">return</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwb">$dev</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> entry <span class="hl opt">{</span>
<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$type, $major, $minor</span><span class="hl opt">);</span>
<span class="hl kwc">local</span> <span class="hl opt">(</span><span class="hl kwb">$_</span><span class="hl opt">) =</span> <span class="hl kwb">@_</span><span class="hl opt">;</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwd">/^0x([\da-f]{3,4})$/i</span><span class="hl opt">) {</span>
<span class="hl kwb">$type</span> <span class="hl opt">=</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">();</span>
<span class="hl opt">(</span><span class="hl kwb">$major, $minor</span><span class="hl opt">) =</span> unmakedev<span class="hl opt">(</span><span class="hl kwc">hex</span> <span class="hl kwb">$1</span><span class="hl opt">);</span>
<span class="hl opt">}</span> <span class="hl kwa">elsif</span> <span class="hl opt">(</span><span class="hl kwd">/^sd(.)(\d{0,2})/</span><span class="hl opt">) {</span>
<span class="hl kwb">$type</span> <span class="hl opt">=</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">();</span>
<span class="hl kwb">$major</span> <span class="hl opt">=</span> <span class="hl num">8</span><span class="hl opt">;</span>
<span class="hl kwb">$minor</span> <span class="hl opt">=</span> <span class="hl num">16</span> <span class="hl opt">* (</span><span class="hl kwc">ord</span><span class="hl opt">(</span><span class="hl kwb">$1</span><span class="hl opt">) -</span> <span class="hl kwc">ord</span><span class="hl opt">(</span><span class="hl str">'a'</span><span class="hl opt">)) + (</span><span class="hl kwb">$2</span> <span class="hl opt">||</span> <span class="hl num">0</span><span class="hl opt">);</span>
<span class="hl opt">}</span> <span class="hl kwa">elsif</span> <span class="hl opt">(</span><span class="hl kwd">/^hd(.)(\d{0,2})/</span><span class="hl opt">) {</span>
<span class="hl kwb">$type</span> <span class="hl opt">=</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">();</span>
<span class="hl opt">(</span><span class="hl kwb">$major, $minor</span><span class="hl opt">) =</span>
<span class="hl opt">@{ ${{</span><span class="hl str">'a'</span> <span class="hl opt">=> [</span><span class="hl num">3</span><span class="hl opt">,</span> <span class="hl num">0</span><span class="hl opt">],</span> <span class="hl str">'b'</span> <span class="hl opt">=> [</span><span class="hl num">3</span><span class="hl opt">,</span> <span class="hl num">64</span><span class="hl opt">],</span>
<span class="hl str">'c'</span> <span class="hl opt">=> [</span><span class="hl num">22</span><span class="hl opt">,</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl str">'d'</span> <span class="hl opt">=> [</span><span class="hl num">22</span><span class="hl opt">,</span><span class="hl num">64</span><span class="hl opt">],</span>
<span class="hl str">'e'</span> <span class="hl opt">=> [</span><span class="hl num">33</span><span class="hl opt">,</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl str">'f'</span> <span class="hl opt">=> [</span><span class="hl num">33</span><span class="hl opt">,</span><span class="hl num">64</span><span class="hl opt">],</span>
<span class="hl str">'g'</span> <span class="hl opt">=> [</span><span class="hl num">34</span><span class="hl opt">,</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl str">'h'</span> <span class="hl opt">=> [</span><span class="hl num">34</span><span class="hl opt">,</span><span class="hl num">64</span><span class="hl opt">],</span>
<span class="hl str">'i'</span> <span class="hl opt">=> [</span><span class="hl num">56</span><span class="hl opt">,</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl str">'j'</span> <span class="hl opt">=> [</span><span class="hl num">56</span><span class="hl opt">,</span><span class="hl num">64</span><span class="hl opt">],</span>
<span class="hl str">'k'</span> <span class="hl opt">=> [</span><span class="hl num">57</span><span class="hl opt">,</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl str">'l'</span> <span class="hl opt">=> [</span><span class="hl num">57</span><span class="hl opt">,</span><span class="hl num">64</span><span class="hl opt">],</span>
<span class="hl str">'m'</span> <span class="hl opt">=> [</span><span class="hl num">88</span><span class="hl opt">,</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl str">'n'</span> <span class="hl opt">=> [</span><span class="hl num">88</span><span class="hl opt">,</span><span class="hl num">64</span><span class="hl opt">],</span>
<span class="hl str">'o'</span> <span class="hl opt">=> [</span><span class="hl num">89</span><span class="hl opt">,</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl str">'p'</span> <span class="hl opt">=> [</span><span class="hl num">89</span><span class="hl opt">,</span><span class="hl num">64</span><span class="hl opt">],</span>
<span class="hl str">'q'</span> <span class="hl opt">=> [</span><span class="hl num">90</span><span class="hl opt">,</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl str">'r'</span> <span class="hl opt">=> [</span><span class="hl num">90</span><span class="hl opt">,</span><span class="hl num">64</span><span class="hl opt">],</span>
<span class="hl str">'s'</span> <span class="hl opt">=> [</span><span class="hl num">91</span><span class="hl opt">,</span><span class="hl num">0</span><span class="hl opt">],</span> <span class="hl str">'t'</span> <span class="hl opt">=> [</span><span class="hl num">91</span><span class="hl opt">,</span><span class="hl num">64</span><span class="hl opt">],</span>
<span class="hl opt">}}{</span><span class="hl kwb">$1</span><span class="hl opt">}</span> <span class="hl kwc">or</span> internal_error<span class="hl opt">(</span><span class="hl str">"unknown device</span> <span class="hl ipl">$_</span><span class="hl str">"</span><span class="hl opt">) };</span>
<span class="hl kwb">$minor</span> <span class="hl opt">+=</span> <span class="hl kwb">$2</span> <span class="hl opt">||</span> <span class="hl num">0</span><span class="hl opt">;</span>
<span class="hl opt">}</span> <span class="hl kwa">elsif</span> <span class="hl opt">(</span><span class="hl kwd">/^ram(.*)/</span><span class="hl opt">) {</span>
<span class="hl kwb">$type</span> <span class="hl opt">=</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">();</span>
<span class="hl kwb">$major</span> <span class="hl opt">=</span> <span class="hl num">1</span><span class="hl opt">;</span>
<span class="hl kwb">$minor</span> <span class="hl opt">=</span> <span class="hl kwb">$1</span> <span class="hl kwc">eq</span> <span class="hl str">''</span> ? <span class="hl num">1</span> <span class="hl opt">:</span> <span class="hl kwb">$1</span><span class="hl opt">;</span>
<span class="hl opt">}</span> <span class="hl kwa">elsif</span> <span class="hl opt">(</span>m<span class="hl opt">|^</span>rd<span class="hl opt">/</span>c<span class="hl opt">(</span>\d<span class="hl opt">+)</span>d<span class="hl opt">(</span>\d<span class="hl opt">+)(</span>p<span class="hl opt">(</span>\d<span class="hl opt">+))</span>?<span class="hl opt">|) {</span>
<span class="hl slc"># dac 960 "rd/cXdXXpX"</span>
<span class="hl kwb">$type</span> <span class="hl opt">=</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">();</span>
<span class="hl kwb">$major</span> <span class="hl opt">=</span> <span class="hl num">48</span> <span class="hl opt">+</span> <span class="hl kwb">$1</span><span class="hl opt">;</span>
<span class="hl kwb">$minor</span> <span class="hl opt">=</span> <span class="hl num">8</span> <span class="hl opt">*</span> <span class="hl kwb">$2</span> <span class="hl opt">+</span> <span class="hl kwb">$4</span><span class="hl opt">;</span>
<span class="hl opt">}</span> <span class="hl kwa">elsif</span> <span class="hl opt">(</span>m<span class="hl opt">,(</span>ida<span class="hl opt">|</span>cciss<span class="hl opt">)/</span>c<span class="hl opt">(</span>\d<span class="hl opt">+)</span>d<span class="hl opt">(</span>\d<span class="hl opt">+)(</span>?<span class="hl opt">:</span>p<span class="hl opt">(</span>\d<span class="hl opt">+))</span>?<span class="hl opt">,) {</span>
<span class="hl slc"># Compaq Smart Array "ida/c0d0{p1}"</span>
<span class="hl kwb">$type</span> <span class="hl opt">=</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">();</span>
<span class="hl kwb">$major</span> <span class="hl opt">= (</span><span class="hl kwb">$1</span> <span class="hl kwc">eq</span> <span class="hl str">'ida'</span> ? <span class="hl num">72</span> <span class="hl opt">:</span> <span class="hl num">104</span><span class="hl opt">) +</span> <span class="hl kwb">$2</span><span class="hl opt">;</span>
<span class="hl kwb">$minor</span> <span class="hl opt">=</span> <span class="hl num">16</span> <span class="hl opt">*</span> <span class="hl kwb">$3</span> <span class="hl opt">+ (</span><span class="hl kwb">$4</span> <span class="hl opt">||</span> <span class="hl num">0</span><span class="hl opt">);</span>
<span class="hl opt">}</span> <span class="hl kwa">elsif</span> <span class="hl opt">(</span>m<span class="hl opt">,(</span>ataraid<span class="hl opt">)/</span>d<span class="hl opt">(</span>\d<span class="hl opt">+)(</span>?<span class="hl opt">:</span>p<span class="hl opt">(</span>\d<span class="hl opt">+))</span>?<span class="hl opt">,) {</span>
<span class="hl slc"># ATA raid "ataraid/d0{p1}"</span>
<span class="hl kwb">$type</span> <span class="hl opt">=</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">();</span>
<span class="hl kwb">$major</span> <span class="hl opt">=</span> <span class="hl num">114</span><span class="hl opt">;</span>
<span class="hl kwb">$minor</span> <span class="hl opt">=</span> <span class="hl num">16</span> <span class="hl opt">*</span> <span class="hl kwb">$1</span> <span class="hl opt">+ (</span><span class="hl kwb">$2</span> <span class="hl opt">||</span> <span class="hl num">0</span><span class="hl opt">);</span>
<span class="hl opt">}</span> <span class="hl kwa">elsif</span> <span class="hl opt">(</span><span class="hl kwd">/(.*?)(\d+)$/</span><span class="hl opt">) {</span>
<span class="hl opt">(</span><span class="hl kwb">$type, $major, $minor</span><span class="hl opt">) =</span>
<span class="hl opt">@{ ${{</span><span class="hl str">"fd"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">2</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"hidbp-mse-"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">10</span><span class="hl opt">,</span> <span class="hl num">32</span> <span class="hl opt">],</span>
<span class="hl str">"lp"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">6</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"usb/lp"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">180</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"input/event"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">13</span><span class="hl opt">,</span> <span class="hl num">64</span> <span class="hl opt">],</span>
<span class="hl str">"loop"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">7</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"md"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">9</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"nst"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">9</span><span class="hl opt">,</span> <span class="hl num">128</span> <span class="hl opt">],</span>
<span class="hl str">"sr"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">11</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"ttyS"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">4</span><span class="hl opt">,</span> <span class="hl num">64</span> <span class="hl opt">],</span>
<span class="hl str">"ubd/"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">98</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl opt">}}{</span><span class="hl kwb">$1</span><span class="hl opt">} };</span>
<span class="hl kwb">$minor</span> <span class="hl opt">+=</span> <span class="hl kwb">$2</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwa">unless</span> <span class="hl opt">(</span><span class="hl kwb">$type</span><span class="hl opt">) {</span>
<span class="hl opt">(</span><span class="hl kwb">$type, $major, $minor</span><span class="hl opt">) =</span>
<span class="hl opt">@{ ${{</span><span class="hl str">"aztcd"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">29</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"bpcd"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">41</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"cdu31a"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">15</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"cdu535"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">24</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"cm206cd"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">32</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"gscd"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">16</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"mcd"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">23</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"mcdx"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">20</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"mem"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">1</span> <span class="hl opt">],</span>
<span class="hl str">"optcd"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">17</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"kbd"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">11</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"psaux"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">10</span><span class="hl opt">,</span> <span class="hl num">1</span> <span class="hl opt">],</span>
<span class="hl str">"atibm"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">10</span><span class="hl opt">,</span> <span class="hl num">3</span> <span class="hl opt">],</span>
<span class="hl str">"random"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">8</span> <span class="hl opt">],</span>
<span class="hl str">"urandom"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">9</span> <span class="hl opt">],</span>
<span class="hl str">"sbpcd"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">25</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"sjcd"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFBLK<span class="hl opt">(),</span> <span class="hl num">18</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"tty"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">5</span><span class="hl opt">,</span> <span class="hl num">0</span> <span class="hl opt">],</span>
<span class="hl str">"input/mice"</span>
<span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">13</span><span class="hl opt">,</span> <span class="hl num">63</span> <span class="hl opt">],</span>
<span class="hl str">"usbmouse"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">13</span><span class="hl opt">,</span> <span class="hl num">63</span> <span class="hl opt">],</span> <span class="hl slc">#- aka /dev/input/mice</span>
<span class="hl str">"adbmouse"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">10</span><span class="hl opt">,</span> <span class="hl num">10</span> <span class="hl opt">],</span> <span class="hl slc">#- PPC</span>
<span class="hl str">"vcsa"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">7</span><span class="hl opt">,</span> <span class="hl num">128</span> <span class="hl opt">],</span>
<span class="hl str">"zero"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">5</span> <span class="hl opt">],</span>
<span class="hl str">"null"</span> <span class="hl opt">=> [</span> c<span class="hl opt">::</span>S_IFCHR<span class="hl opt">(),</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl num">3</span> <span class="hl opt">],</span>
<span class="hl opt">}}{</span><span class="hl kwb">$_</span><span class="hl opt">}</span> <span class="hl kwc">or</span> internal_error<span class="hl opt">(</span><span class="hl str">"unknown device</span> <span class="hl ipl">$_</span><span class="hl str">"</span><span class="hl opt">) };</span>
<span class="hl opt">}</span>
<span class="hl opt">(</span><span class="hl kwb">$type, $major, $minor</span><span class="hl opt">);</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> make<span class="hl opt">($) {</span>
<span class="hl kwc">local</span> <span class="hl kwb">$_</span> <span class="hl opt">=</span> <span class="hl kwc">my</span> <span class="hl kwb">$file</span> <span class="hl opt">=</span> <span class="hl kwb">$_</span><span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">];</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwd">m!^(.*/dev)/(.*)!</span><span class="hl opt">) {</span>
<span class="hl kwb">$_</span> <span class="hl opt">=</span> <span class="hl kwb">$2</span><span class="hl opt">;</span>
<span class="hl opt">}</span> <span class="hl kwa">else</span> <span class="hl opt">{</span>
<span class="hl kwb">$file</span> <span class="hl opt">=~</span> m<span class="hl opt">|^</span><span class="hl kwd">/| && -e $file or $file = "/d</span>ev<span class="hl opt">/</span><span class="hl kwb">$_</span><span class="hl str">";</span>
<span class="hl str"> }</span>
<span class="hl str"> -e</span> <span class="hl ipl">$file</span> <span class="hl str">and return</span> <span class="hl ipl">$file</span><span class="hl str">; #- assume nobody takes fun at creating files named as device</span>
<span class="hl str"></span>
<span class="hl str"> my (</span><span class="hl ipl">$type,</span> <span class="hl str"></span><span class="hl ipl">$major,</span> <span class="hl str"></span><span class="hl ipl">$minor</span><span class="hl str">) = entry(</span><span class="hl ipl">$_</span><span class="hl str">);</span>
<span class="hl str"></span>
<span class="hl str"> if (</span><span class="hl ipl">$file</span> <span class="hl str">=~ m|/dev/| && -e '/dev/.devfsd') {</span>
<span class="hl str"> #- argh, creating devices is no good with devfs...</span>
<span class="hl str"> #- return the file even if the device file does not exist</span>
<span class="hl str"> #- the caller will fail or not, better compatibility than raising an exception here</span>
<span class="hl str"> return</span> <span class="hl ipl">$file</span><span class="hl str">;</span>
<span class="hl str"> }</span>
<span class="hl str"></span>
<span class="hl str"> #- make a directory for this inode if needed.</span>
<span class="hl str"> mkdir_p(dirname(</span><span class="hl ipl">$file</span><span class="hl str">));</span>
<span class="hl str"></span>
<span class="hl str"> syscall_('mknod',</span> <span class="hl ipl">$file,</span> <span class="hl str"></span><span class="hl ipl">$type</span> <span class="hl str">| 0600, makedev(</span><span class="hl ipl">$major,</span> <span class="hl str"></span><span class="hl ipl">$minor</span><span class="hl str">)) or die "</span>mknod failed <span class="hl opt">(</span>dev <span class="hl kwb">$_</span><span class="hl opt">):</span> <span class="hl kwb">$!</span><span class="hl str">";</span>
<span class="hl str"></span>
<span class="hl str"></span> <span class="hl ipl">$file</span><span class="hl str">;</span>
<span class="hl str">}</span>
<span class="hl str"></span>
<span class="hl str"></span>
<span class="hl str">#- only isomorphic entries are allowed, </span>
<span class="hl str">#- i.e. entries which can go devfs -> normal and normal -> devfs</span>
<span class="hl str">my</span> <span class="hl ipl">%to_devfs</span> <span class="hl str">= (</span>
<span class="hl str"> psaux => 'misc/psaux',</span>
<span class="hl str"> usbmouse => 'input/mice',</span>
<span class="hl str">);</span>
<span class="hl str">my</span> <span class="hl ipl">%to_devfs_prefix</span> <span class="hl str">= (</span>
<span class="hl str"> ttyS => 'tts/',</span>
<span class="hl str">);</span>
<span class="hl str"></span>
<span class="hl str">sub to_devfs {</span>
<span class="hl str"> my (</span><span class="hl ipl">$dev</span><span class="hl str">) =</span> <span class="hl ipl">@_</span><span class="hl str">;</span>
<span class="hl str"> if (my</span> <span class="hl ipl">$r</span> <span class="hl str">=</span> <span class="hl ipl">$to_devfs</span><span class="hl str">{</span><span class="hl ipl">$dev</span><span class="hl str">}) { </span>
<span class="hl str"> return</span> <span class="hl ipl">$r</span><span class="hl str">;</span>
<span class="hl str"> } elsif (</span><span class="hl ipl">$dev</span> <span class="hl str">=~ /(.*?)(\d+)</span><span class="hl ipl">$/</span><span class="hl str">) {</span>
<span class="hl str"> my</span> <span class="hl ipl">$r</span> <span class="hl str">=</span> <span class="hl ipl">$to_devfs_prefix</span><span class="hl str">{</span><span class="hl ipl">$1</span><span class="hl str">};</span>
<span class="hl str"> return "</span><span class="hl kwb">$r$2</span><span class="hl str">" if</span> <span class="hl ipl">$r</span><span class="hl str">;</span>
<span class="hl str"> }</span>
<span class="hl str"> readlink("</span><span class="hl kwd">/dev/</span><span class="hl str">" .</span> <span class="hl ipl">$dev</span><span class="hl str">);</span>
<span class="hl str">}</span>
<span class="hl str"></span>
<span class="hl str">sub read_proc_partitions_raw() {</span>
<span class="hl str"> my (undef, undef,</span> <span class="hl ipl">@all</span><span class="hl str">) = cat_("</span><span class="hl kwd">/proc/pa</span>rtitions<span class="hl str">");</span>
<span class="hl str"> grep {</span>
<span class="hl str"></span> <span class="hl ipl">$_</span><span class="hl str">->{size} != 1 && # skip main extended partition</span>
<span class="hl str"></span> <span class="hl ipl">$_</span><span class="hl str">->{size} != 0x3fffffff; # skip cdroms (otherwise stops cd-audios)</span>
<span class="hl str"> } map { </span>
<span class="hl str"> my</span> <span class="hl ipl">%l</span><span class="hl str">; </span>
<span class="hl str"></span> <span class="hl ipl">@l</span><span class="hl str">{qw(major minor size dev)</span><span class="hl opt">} =</span> <span class="hl kwc">split</span><span class="hl opt">;</span>
\<span class="hl kwb">%l</span><span class="hl opt">;</span>
<span class="hl opt">}</span> <span class="hl kwb">@all</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> from_devfs <span class="hl opt">{</span>
<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$dev</span><span class="hl opt">) =</span> <span class="hl kwb">@_</span><span class="hl opt">;</span>
<span class="hl kwc">my</span> <span class="hl kwb">%from_devfs</span> <span class="hl opt">=</span> <span class="hl kwc">reverse</span> <span class="hl kwb">%to_devfs</span><span class="hl opt">;</span>
<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwc">my</span> <span class="hl kwb">$r</span> <span class="hl opt">=</span> <span class="hl kwb">$from_devfs</span><span class="hl opt">{</span><span class="hl kwb">$dev</span><span class="hl opt">}) {</span>
<span class="hl kwa">return</span> <span class="hl kwb">$r</span><span class="hl opt">;</span>
<span class="hl opt">}</span> <span class="hl kwa">elsif</span> <span class="hl opt">(</span><span class="hl kwb">$dev</span> <span class="hl opt">=~</span> <span class="hl kwd">/(.*?)(\d+)$/</span><span class="hl opt">) {</span>
<span class="hl kwc">my</span> <span class="hl kwb">%from_devfs_prefix</span> <span class="hl opt">=</span> <span class="hl kwc">reverse</span> <span class="hl kwb">%to_devfs_prefix</span><span class="hl opt">;</span>
<span class="hl kwc">my</span> <span class="hl kwb">$r</span> <span class="hl opt">=</span> <span class="hl kwb">$from_devfs_prefix</span><span class="hl opt">{</span><span class="hl kwb">$1</span><span class="hl opt">};</span>
<span class="hl kwa">return</span> <span class="hl str">"</span><span class="hl ipl">$r$2</span><span class="hl str">"</span> <span class="hl kwa">if</span> <span class="hl kwb">$r</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwb">$dev</span> <span class="hl opt">=</span> <span class="hl str">"/dev/"</span> <span class="hl opt">.</span> <span class="hl kwb">$dev</span><span class="hl opt">;</span>
<span class="hl kwa">if</span> <span class="hl opt">(-</span>e <span class="hl kwb">$dev</span><span class="hl opt">) {</span>
<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$major, $minor</span><span class="hl opt">) =</span> unmakedev<span class="hl opt">((</span><span class="hl kwc">stat</span><span class="hl opt">(</span><span class="hl kwb">$dev</span><span class="hl opt">))[</span><span class="hl num">6</span><span class="hl opt">]);</span>
<span class="hl kwc">my</span> <span class="hl kwb">$r</span> <span class="hl opt">=</span> find <span class="hl opt">{</span> <span class="hl kwb">$_</span><span class="hl opt">->{</span>major<span class="hl opt">} ==</span> <span class="hl kwb">$major</span> <span class="hl opt">&&</span> <span class="hl kwb">$_</span><span class="hl opt">->{</span>minor<span class="hl opt">} ==</span> <span class="hl kwb">$minor</span> <span class="hl opt">}</span> read_proc_partitions_raw<span class="hl opt">();</span>
<span class="hl kwb">$r</span> <span class="hl kwc">and</span> <span class="hl kwa">return</span> <span class="hl kwb">$r</span><span class="hl opt">->{</span>dev<span class="hl opt">};</span>
<span class="hl opt">}</span>
<span class="hl kwc">undef</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> simple_partition_scan <span class="hl opt">{</span>
<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$part</span><span class="hl opt">) =</span> <span class="hl kwb">@_</span><span class="hl opt">;</span>
<span class="hl kwb">$part</span><span class="hl opt">->{</span>device<span class="hl opt">} =~</span> <span class="hl kwd">/([hs]d[a-z])(\d+)$/</span><span class="hl opt">;</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> part_number <span class="hl opt">{</span>
<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$part</span><span class="hl opt">) =</span> <span class="hl kwb">@_</span><span class="hl opt">;</span>
<span class="hl opt">(</span>simple_partition_scan<span class="hl opt">(</span><span class="hl kwb">$part</span><span class="hl opt">))[</span><span class="hl num">1</span><span class="hl opt">];</span>
<span class="hl opt">}</span>
<span class="hl kwa">sub</span> part_prefix <span class="hl opt">{</span>
<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$part</span><span class="hl opt">) =</span> <span class="hl kwb">@_</span><span class="hl opt">;</span>
<span class="hl opt">(</span>simple_partition_scan<span class="hl opt">(</span><span class="hl kwb">$part</span><span class="hl opt">))[</span><span class="hl num">0</span><span class="hl opt">];</span>
<span class="hl opt">}</span>
<span class="hl num">1</span><span class="hl opt">;</span>
</code></pre></td></tr></table>
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