Viewing file:  trace.cgi (2.4 KB) -rwxr-xr-x
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#!/usr/bin/perl
# Display syscalls made by this process in real time
require './proc-lib.pl';
&ReadParse();
if ($config{'trace_java'}) {
&ui_print_header(undef, $text{'trace_title'}, "", "trace");
}
else {
&ui_print_unbuffered_header(undef, $text{'trace_title'}, "", "trace");
}
%pinfo = &process_info($in{'pid'});
&can_edit_process($pinfo{'user'}) || &error($text{'edit_ecannot'});
if (!%pinfo) {
print "<b>$text{'edit_gone'}</b> <p>\n";
&ui_print_footer("", $text{'index_return'});
exit;
}
$syscalls = &ui_form_start("trace.cgi", "post")."\n".
&ui_hidden("pid", $in{'pid'})."\n".
"<b>$text{'trace_syscalls'}</b>\n".
&ui_radio("all", defined($in{'all'}) ? $in{'all'} : 1,
[ [ 1, $text{'trace_all'} ],
[ 0, $text{'trace_sel'} ] ])."\n".
&ui_textbox("syscalls", $in{'syscalls'}, 40)."\n".
&ui_submit($text{'trace_change'})."\n".
&ui_form_end()."\n";
if ($config{'trace_java'}) {
# Output Java applet to show trace
print "<b>",&text('trace_doing', "<tt>$pinfo{'args'}</tt>"),"</b><br>\n";
print $syscalls;
print "<applet code=Tracer width=800 height=300>\n";
&seed_random();
$id = int(rand()*1000000000);
print "<param name=url value='tail.cgi?pid=$in{'pid'}&id=$id&syscalls=",
$in{'all'} ? "" : &urlize($in{'syscalls'}),"'>\n";
print "<param name=killurl value='killtail.cgi?id=$id'>\n";
if ($main::session_id) {
print "<param name=session value=\"sid=$main::session_id\">\n";
}
print "$text{'trace_sorry'}<p>\n";
print "</applet>\n";
}
else {
# Just display here as text
@syscalls = $in{'all'} ? ( ) : split(/\s+/, $in{'syscalls'});
$trace = &open_process_trace($in{'pid'},
\@syscalls);
$fmt = "%-8.8s %-11.11s %-80.80s %-10.10s";
print "<b>",&text('trace_start', "<tt>$pinfo{'args'}</tt>"),"</b><br>\n";
print $syscalls;
print "<pre>";
printf "$fmt\n", "Time", "System Call", "Parameters", "Return";
printf "$fmt\n", ("-"x8), ("-"x11), ("-"x80), ("-"x10);
while($action = &read_process_trace($trace)) {
local $tm = strftime("%H:%M:%S", localtime($action->{'time'}));
printf "$fmt\n", $tm, $action->{'call'},
join(", ", @{$action->{'args'}}),
$action->{'rv'};
}
print "</pre>";
&close_process_trace($trace);
if (!kill(0, $in{'pid'})) {
print "<b>$text{'trace_done'}</b><br>\n";
}
else {
print "<b>$text{'trace_failed'}</b><br>\n";
}
}
&ui_print_footer("edit_proc.cgi?$in{'pid'}", $text{'edit_return'},
"", $text{'index_return'});
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