From 9f0221822c6f357a6ac012607c2ce7d8ca8df9b4 Mon Sep 17 00:00:00 2001 From: Curtis McEnroe Date: Sun, 25 Feb 2018 23:30:58 -0500 Subject: Add stop --- create.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 create.c (limited to 'create.c') diff --git a/create.c b/create.c new file mode 100644 index 0000000..49cadb6 --- /dev/null +++ b/create.c @@ -0,0 +1,49 @@ +/* Copyright (C) 2018 Causal Agent June + * + * 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 . + */ + +#include +#include +#include +#include +#include +#include +#include + +int main(int argc, char *argv[]) { + if (argc < 2) errx(EX_USAGE, "missing public id"); + + uint32_t id[4]; + char public[10 + 32 + 1]; + char private[8 + 32 + 1]; + + arc4random_buf(id, sizeof(id)); + snprintf(public, sizeof(public), "public/%s", argv[1]); + snprintf( + private, sizeof(private), + "private/%08x%08x%08x%08x", + id[0], id[1], id[2], id[3] + ); + + int fd = open(public, O_CREAT | O_EXCL, 0644); + if (fd < 0) err(EX_CANTCREAT, "%s", public); + + snprintf(public, sizeof(public), "../public/%s", argv[1]); + int error = symlink(public, private); + if (error) err(EX_CANTCREAT, "%s", private); + + printf("%08x%08x%08x%08x\n", id[0], id[1], id[2], id[3]); + return EX_OK; +} -- cgit 1.4.1