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Diffstat (limited to 'lib/webrick/utils.rb')
-rw-r--r-- | lib/webrick/utils.rb | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/webrick/utils.rb b/lib/webrick/utils.rb new file mode 100644 index 000000000..646880d65 --- /dev/null +++ b/lib/webrick/utils.rb @@ -0,0 +1,64 @@ +# +# utils.rb -- Miscellaneous utilities +# +# Author: IPR -- Internet Programming with Ruby -- writers +# Copyright (c) 2001 TAKAHASHI Masayoshi, GOTOU Yuuzou +# Copyright (c) 2002 Internet Programming with Ruby writers. All rights +# reserved. +# +# $IPR: utils.rb,v 1.10 2003/02/16 22:22:54 gotoyuzo Exp $ + +require 'socket' +require 'fcntl' +begin + require 'etc' +rescue LoadError + nil +end + +module WEBrick + module Utils + + def set_close_on_exec(io) + if defined?(Fcntl::FD_CLOEXEC) + io.fcntl(Fcntl::FD_CLOEXEC, 1) + end + end + module_function :set_close_on_exec + + def su(user, group=nil) + if defined?(Etc) + pw = Etc.getpwnam(user) + gr = group ? Etc.getgrnam(group) : pw + Process::gid = gr.gid + Process::egid = gr.gid + Process::uid = pw.uid + Process::euid = pw.uid + end + end + module_function :su + + def getservername + host = Socket::gethostname + begin + Socket::gethostbyname(host)[0] + rescue + host + end + end + module_function :getservername + + RAND_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + + "0123456789" + + "abcdefghijklmnopqrstuvwxyz" + + def random_string(len) + rand_max = RAND_CHARS.size + ret = "" + len.times{ ret << RAND_CHARS[rand(rand_max)] } + ret + end + module_function :random_string + + end +end |