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Warn when hibernation and low-port on non-windows is configured

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This addresses the first part of bug 918. Users are now warned when
they try to use hibernation in combination with a port below 1024
when they're not on Windows. We don't want to die here, because
people might run Tor as root, use a capabilities system or some
other platform that will allow them to re-attach low ports.

Wording suggested by Marian
This commit is contained in:
Sebastian Hahn 2009-05-12 19:48:08 +02:00
parent 88d81ead83
commit a28215a150
1 changed files with 12 additions and 0 deletions
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12
src/or/config.c
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@ -3013,6 +3013,18 @@ options_validate(or_options_t *old_options, or_options_t *options,
REJECT("TransPort and TransListenAddress are disabled in this build.");
#endif
#ifndef MS_WINDOWS
if (options->AccountingMax &&
(options->DirPort < 1024 || options->ORPort < 1024))
log(LOG_WARN, LD_CONFIG,
"You have set AccountingMax to use hibernation. You have also "
"chosen a low DirPort or OrPort. This combination can make Tor stop "
"working when it tries to re-attach the port after a period of "
"hibernation. Please choose a different port or turn off "
"hibernation unless you know this combination will work on your "
"platform.");
#endif
if (options->ExcludeExitNodes || options->ExcludeNodes) {
options->_ExcludeExitNodesUnion = routerset_new();
routerset_union(options->_ExcludeExitNodesUnion,options->ExcludeExitNodes);