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Code Issues Releases Wiki Activity

Improved getLibInfo() to work even if ldconfig doesn't exist

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This commit is contained in:
Bryan Roe
2021-01-28 22:22:47 -08:00
parent ed42d06b4f
commit e932a1ac99
2 changed files with 33 additions and 14 deletions
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45
modules/monitor-info.js
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@@ -44,22 +44,41 @@ function getLibInfo(libname)
child.stdin.write("whereis ldconfig | awk '{ print $2 }'\nexit\n");
child.waitExit();
var ldconfig = child.stdout.str.trim();
child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = '';
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write(ldconfig + " -p | grep '" + libname + ".so.' | tr '\\n' '^' | awk -F^ '{ printf \"[\"; for(i=1;i<=NF;++i) {" + ' split($i, plat, ")"); split(plat[1], plat2, "("); ifox=split(plat2[2], ifo, ","); libc=""; hwcap="0"; for(ifoi=1;ifoi<=ifox;++ifoi) { if(split(ifo[ifoi], jnk, "libc")==2) { libc=ifo[ifoi]; } if(split(ifo[ifoi], jnk, "hwcap:")==2) { split(ifo[ifoi], jnk, "0x"); hwcap=jnk[2]; } } x=split($i, tok, " "); if(tok[1]!="") { printf "%s{\\"lib\\": \\"%s\\", \\"path\\": \\"%s\\", \\"hwcap\\": \\"%s\\", \\"libc\\": \\"%s\\"}", (i!=1?",":""), tok[1], tok[x], hwcap, libc; }} printf "]"; }\'\nexit\n');
child.waitExit();
try
if (child.stdout.str.trim() == '')
{
var v = JSON.parse(child.stdout.str.trim());
return (v);
// No ldconfig
child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
child.stderr.on('data', function () { });
child.stdin.write('ls /lib/' + libname + '.*' + " | tr '\\n' '`' | awk -F'`' '{" + ' DEL=""; printf "["; for(i=1;i<NF;++i) { if($1~/((.so)(.[0-9])*)$/) { printf "%s{\\"path\\": \\"%s\\"}",DEL,$1; DEL=","; } } printf "]"; }\'\nexit\n');
child.waitExit();
try
{
return(JSON.parse(child.stdout.str.trim()));
}
catch(e)
{
return ([]);
}
}
catch(e)
else
{
return ([]);
var ldconfig = child.stdout.str.trim();
child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = '';
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write(ldconfig + " -p | grep '" + libname + ".so.' | tr '\\n' '^' | awk -F^ '{ printf \"[\"; for(i=1;i<=NF;++i) {" + ' split($i, plat, ")"); split(plat[1], plat2, "("); ifox=split(plat2[2], ifo, ","); libc=""; hwcap="0"; for(ifoi=1;ifoi<=ifox;++ifoi) { if(split(ifo[ifoi], jnk, "libc")==2) { libc=ifo[ifoi]; } if(split(ifo[ifoi], jnk, "hwcap:")==2) { split(ifo[ifoi], jnk, "0x"); hwcap=jnk[2]; } } x=split($i, tok, " "); if(tok[1]!="") { printf "%s{\\"lib\\": \\"%s\\", \\"path\\": \\"%s\\", \\"hwcap\\": \\"%s\\", \\"libc\\": \\"%s\\"}", (i!=1?",":""), tok[1], tok[x], hwcap, libc; }} printf "]"; }\'\nexit\n');
child.waitExit();
try
{
var v = JSON.parse(child.stdout.str.trim());
return (v);
}
catch (e)
{
return ([]);
}
}
}