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/* Copyright (C) 2018 Causal Agent June <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <err.h>
#include <fcntl.h>
#include <sysexits.h>
#include <unistd.h>
int main(int argc, char *argv[]) {
if (argc < 2) errx(EX_USAGE, "missing private id");
int fd = open("private", 0);
if (fd < 0) err(EX_NOINPUT, "private");
const char *private = argv[1];
char public[10 + 32 + 1] = {0};
ssize_t n = readlinkat(fd, private, public, sizeof(public) - 1);
if (n < 0) err(EX_NOINPUT, "%s", private);
int error = unlinkat(fd, public, 0);
if (error) err(EX_NOINPUT, "%s", public);
error = unlinkat(fd, private, 0);
if (error) err(EX_NOINPUT, "%s", private);
return EX_OK;
}
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