cn/dyndnsd
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Support dropping priviliges

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cn 2013-04-30 23:19:08 +02:00
parent f0bd538728
commit 1073312110
2 changed files with 8 additions and 0 deletions
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3
README.md
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@ -24,6 +24,9 @@ Create a configuration file in YAML format somewhere:
# listen address and port # listen address and port
host: "0.0.0.0" host: "0.0.0.0"
port: "80" port: "80"
# optional: drop priviliges in case you want to but you may need sudo for external commands
user: "nobody"
group: "nogroup"
# logfile is optional, logs to STDOUT else # logfile is optional, logs to STDOUT else
logfile: "dyndnsd.log" logfile: "dyndnsd.log"
# interal database file # interal database file

5
lib/dyndnsd.rb
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@ -1,5 +1,6 @@
#!/usr/bin/env ruby #!/usr/bin/env ruby
require 'etc'
require 'logger' require 'logger'
require 'ipaddr' require 'ipaddr'
require 'json' require 'json'
@ -144,6 +145,10 @@ module Dyndnsd
Dyndnsd.logger.formatter = LogFormatter.new Dyndnsd.logger.formatter = LogFormatter.new
Dyndnsd.logger.info "Starting..." Dyndnsd.logger.info "Starting..."
# drop privs (first change group than user)
Process::Sys.setgid(Etc.getgrnam(config['group']).gid) if config['group']
Process::Sys.setuid(Etc.getpwnam(config['user']).uid) if config['user']
# configure metriks # configure metriks
reporter = Metriks::Reporter::ProcTitle.new reporter = Metriks::Reporter::ProcTitle.new