# File webrick/utils.rb, line 59
def create_listeners(address, port, logger=nil)
unless port
raise ArgumentError, "must specify port"
end
res = Socket::getaddrinfo(address, port,
Socket::AF_UNSPEC, # address family
Socket::SOCK_STREAM, # socket type
0, # protocol
Socket::AI_PASSIVE) # flag
last_error = nil
sockets = []
res.each{|ai|
begin
logger.debug("TCPServer.new(#{ai[3]}, #{port})") if logger
sock = TCPServer.new(ai[3], port)
port = sock.addr[1] if port == 0
Utils::set_close_on_exec(sock)
sockets << sock
rescue => ex
logger.warn("TCPServer Error: #{ex}") if logger
last_error = ex
end
}
raise last_error if sockets.empty?
return sockets
end
# File webrick/ssl.rb, line 39
def create_self_signed_cert(bits, cn, comment)
rsa = OpenSSL::PKey::RSA.new(bits){|p, n|
case p
when 0; $stderr.putc "." # BN_generate_prime
when 1; $stderr.putc "+" # BN_generate_prime
when 2; $stderr.putc "*" # searching good prime,
# n = #of try,
# but also data from BN_generate_prime
when 3; $stderr.putc "\n" # found good prime, n==0 - p, n==1 - q,
# but also data from BN_generate_prime
else; $stderr.putc "*" # BN_generate_prime
end
}
cert = OpenSSL::X509::Certificate.new
cert.version = 3
cert.serial = 0
name = OpenSSL::X509::Name.new(cn)
cert.subject = name
cert.issuer = name
cert.not_before = Time.now
cert.not_after = Time.now + (365*24*60*60)
cert.public_key = rsa.public_key
ef = OpenSSL::X509::ExtensionFactory.new(nil,cert)
ef.issuer_certificate = cert
cert.extensions = [
ef.create_extension("basicConstraints","CA:FALSE"),
ef.create_extension("keyUsage", "keyEncipherment"),
ef.create_extension("subjectKeyIdentifier", "hash"),
ef.create_extension("extendedKeyUsage", "serverAuth"),
ef.create_extension("nsComment", comment),
]
aki = ef.create_extension("authorityKeyIdentifier",
"keyid:always,issuer:always")
cert.add_extension(aki)
cert.sign(rsa, OpenSSL::Digest::SHA1.new)
return [ cert, rsa ]
end
# File webrick/utils.rb, line 49
def getservername
host = Socket::gethostname
begin
Socket::gethostbyname(host)[0]
rescue
host
end
end
# File webrick/utils.rb, line 91
def random_string(len)
rand_max = RAND_CHARS.bytesize
ret = ""
len.times{ ret << RAND_CHARS[rand(rand_max)] }
ret
end
# File webrick/utils.rb, line 30
def set_close_on_exec(io)
if defined?(Fcntl::FD_CLOEXEC)
io.fcntl(Fcntl::FD_CLOEXEC, 1)
end
end
# File webrick/utils.rb, line 21
def set_non_blocking(io)
flag = File::NONBLOCK
if defined?(Fcntl::F_GETFL)
flag |= io.fcntl(Fcntl::F_GETFL)
end
io.fcntl(Fcntl::F_SETFL, flag)
end
# File webrick/utils.rb, line 37
def su(user)
if defined?(Etc)
pw = Etc.getpwnam(user)
Process::initgroups(user, pw.gid)
Process::Sys::setgid(pw.gid)
Process::Sys::setuid(pw.uid)
else
warn("WEBrick::Utils::su doesn't work on this platform")
end
end
# File webrick/utils.rb, line 163
def timeout(seconds, exception=Timeout::Error)
return yield if seconds.nil? or seconds.zero?
# raise ThreadError, "timeout within critical session" if Thread.critical
id = TimeoutHandler.register(seconds, exception)
begin
yield(seconds)
ensure
TimeoutHandler.cancel(id)
end
end