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Code Issues Releases Wiki Activity

Added linux support for enumerating virtual x window sessions

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This commit is contained in:
Bryan Roe
2022-03-14 22:40:43 -07:00
parent 8a62a7d628
commit 28af0a05af
1 changed files with 97 additions and 8 deletions
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105
modules/user-sessions.js
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@@ -788,7 +788,48 @@ function UserSessions()
child.waitExit();
return (JSON.parse(child.stdout.str.trim().replace(',]',']')));
}
this.consoleUid = function consoleUid()
this.activeUids = function activeUids()
{
return (this.consoleUid({ active: true }));
};
this.virtualUids = function virtualUids()
{
var active = this.activeUids();
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stderr.str = ''; child.stderr.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write("ps -e -o uid -o pid -o cmd | grep Xvfb | tr '\\n' '`' | awk '{");
child.stdin.write('printf "[";');
child.stdin.write('del="";');
child.stdin.write('n=split($0, lines, "`");');
child.stdin.write('for(i=1;i<n;++i)');
child.stdin.write('{');
child.stdin.write(' split(lines[i], tok, " ");');
child.stdin.write(' if((tok[3])=="Xvfb")');
child.stdin.write(' {');
child.stdin.write(' match(lines[i], /:[0-9]+/,arg);');
child.stdin.write(' _display = substr(lines[i],RSTART,RLENGTH);');
child.stdin.write(' match(lines[i], /-auth .+/,arg);');
child.stdin.write(' _auth = substr(lines[i],RSTART+6,RLENGTH-6);');
child.stdin.write(' printf("%s{\\"uid\\": %s, \\"display\\": \\"%s\\", \\"xauth\\": \\"%s\\", \\"pid\\": %s}", del, tok[1], _display, _auth, tok[2]);');
child.stdin.write(' del=",";');
child.stdin.write(' }');
child.stdin.write('}');
child.stdin.write('printf "]";');
child.stdin.write("}'\nexit\n");
child.waitExit();
try
{
return(JSON.parse(child.stdout.str));
}
catch (x)
{
return ([]);
}
};
this.consoleUid = function consoleUid(options)
{
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = ''; child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
@@ -837,7 +878,14 @@ function UserSessions()
child.stdin.write(' split(lines[i], tok, " ");');
child.stdin.write(' if((tok[2]+0)>=' + min + ')');
child.stdin.write(' {');
child.stdin.write(' if(tok[4]=="" || tok[4]~/^pts\\//) { continue; }');
if (options && options.active == true)
{
child.stdin.write(' if(tok[4]=="") { continue; }');
}
else
{
child.stdin.write(' if(tok[4]=="" || tok[4]~/^pts\\//) { continue; }');
}
child.stdin.write(' printf "%s{\\"uid\\": \\"%s\\", \\"sid\\": \\"%s\\"}", del, tok[2], tok[1];');
child.stdin.write(' del=",";');
child.stdin.write(' }');
@@ -857,18 +905,59 @@ function UserSessions()
child.stdout.str = ''; child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
child.stderr.str = ''; child.stderr.on('data', function (chunk) { this.str += chunk.toString(); });
child.stdin.write("loginctl show-session -p State " + sids.join(' ') + " | grep State= | tr '\\n' '`' | awk -F'`' '{");
if (options && options.active == true)
{
child.stdin.write(' printf("[");');
child.stdin.write(' _first="";');
}
child.stdin.write(' for(n=1;n<NF;++n)');
child.stdin.write(' {');
child.stdin.write(' if($n=="State=active") { print n; break; }');
if (options && options.active == true)
{
child.stdin.write(' if($n=="State=active")');
child.stdin.write(' {');
child.stdin.write(' printf("%s%s",_first,n);');
child.stdin.write(' _first=",";');
child.stdin.write(' }');
}
else
{
child.stdin.write(' if($n=="State=active") { print n; break; }');
}
child.stdin.write(' }');
child.stdin.write(' if(n==NF) { print 0; }');
if (options && options.active == true)
{
child.stdin.write(' printf("]");');
}
else
{
child.stdin.write(' if(n==NF) { print 0; }');
}
child.stdin.write("}'\nexit\n");
child.waitExit();
i = parseInt(child.stdout.str.trim());
if (i > 0)
if (options && options.active == true)
{
return (parseInt(info1[i - 1].uid));
try
{
var ret = JSON.parse(child.stdout.str);
for (var j=0;j<ret.length;++j)
{
ret[j] = parseInt(info1[ret[j] - 1].uid);
}
return (ret);
}
catch(xx)
{
return ([]);
}
}
else
{
i = parseInt(child.stdout.str.trim());
if (i > 0)
{
return (parseInt(info1[i - 1].uid));
}
}
}