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69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/* Setup random seed
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*
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* Copyright (c) 2012 Joachim Nilsson <troglobit@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "finit.h"
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#include "helpers.h"
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#include "plugin.h"
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static void setup(void *UNUSED(arg))
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{
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#ifdef RANDOMSEED
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copyfile(RANDOMSEED, "/dev/urandom", 0);
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unlink(RANDOMSEED);
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umask(077);
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copyfile("/dev/urandom", RANDOMSEED, 4096);
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umask(0);
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#endif
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}
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static plugin_t plugin = {
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.hook[HOOK_POST_SIGSETUP] = {
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.cb = setup
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},
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};
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static void init_plugin(void)
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{
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plugin_register(&plugin);
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}
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static void exit_plugin(void)
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{
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plugin_unregister(&plugin);
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}
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PLUGIN_INIT(init_plugin)
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PLUGIN_EXIT(exit_plugin)
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/**
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* Local Variables:
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* version-control: t
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* indent-tabs-mode: t
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* c-file-style: "linux"
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* End:
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*/
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