Gam

??? 123123123123 ..................................................................................................................................... Gam

File manager - Edit - /opt/cpanel/ea-ruby27/src/passenger-release-6.1.0/src/helper-scripts/backtrace-sanitizer.rb

Back
#!/usr/bin/env ruby # Phusion Passenger - https://www.phusionpassenger.com/ # Copyright (c) 2013-2025 Asynchronous B.V. # # "Passenger", "Phusion Passenger" and "Union Station" are registered # trademarks of Asynchronous B.V. # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. # Parses output of the glibc backtrace() function and # translates addresses into function names and source # file locations. class Addr2line attr_reader :stdin, :stdout, :pid def initialize(filename) a, b = IO.pipe c, d = IO.pipe @pid = fork do STDIN.reopen(a) b.close STDOUT.reopen(d) c.close exec("addr2line", "-Cfie", filename) end a.close d.close @stdin = b @stdout = c @stdin.sync = @stdout.sync = true end def query(address) @stdin.write("#{address}\n") function = @stdout.readline source = @stdout.readline function.strip! source.strip! return [function, source] end def close @stdin.close @stdout.close Process.kill('KILL', @pid) Process.waitpid(@pid) rescue nil end end def passthrough(input, output) while !input.eof? data = input.readline output.write(data) output.flush end end def debug(message) #puts message end input = STDIN output = STDERR output.sync = true output.puts "Using backtrace sanitizer." argv0, pid_or_filename = ARGV if pid_or_filename =~ /\A\d+\Z/ begin exe_filename = File.expand_path(File.readlink("/proc/#{pid_or_filename}/exe")) rescue Errno::ENOENT, Errno::EACCES => e warn "*** backtrace-sanitizer warning: #{e} -> passthrough input" passthrough(input, output) exit end else exe_filename = File.expand_path(pid_or_filename) end exe_basename = File.basename(exe_filename) addr2lines = {} begin while !input.eof? line = input.readline.strip debug " ---> Parse #{line.inspect}" # Example lines: # ./test() [0x400b64] # /lib/libc.so.6(__libc_start_main+0xfd) [0x7fcc0ad00c8d] # Passenger core[0x4d2697] if line =~ /(.)\[(.?)\]$/ # Split line into: # subject: /lib/libc.so.6(__libc_start_main+0xfd) # address: 0x7fcc0ad00c8d subject = $1 address = $2 subject.strip! if subject =~ /(.?)($(.?)$)?$/ # Split subject into: # file: /lib/libc.so.6 # context: __libc_start_main+0xfd file = $1 context = $3 file.strip! context = nil if context && context.empty? else file = subject context = nil end debug " file = #{file.inspect}" debug " context = #{context.inspect}" debug " address = #{address.inspect}" if file =~ /\A\// && File.exist?(file) filename = file elsif file == argv0 \|\| file == exe_filename \|\| file == exe_basename \|\| file.sub(/ .*/, '') == exe_basename filename = exe_filename else filename = nil end if filename.nil? output.puts line else addr2line = (addr2lines[filename] \|\|= Addr2line.new(filename)) function, source = addr2line.query(address) new_context = "#{function} at #{source}" new_context << "; #{context}" if context output.puts "#{file}(#{new_context}) [#{address}]" end else output.puts line end end ensure addr2lines.each_value do \|addr2line\| addr2line.close end end