2 * This file is part of DisOrder.
3 * Copyright (C) 2007 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 /** @file server/setup.c
21 * @brief Automated setup functions
31 #include <sys/types.h>
39 #include "configuration.h"
44 /** @brief Create config.private with a login for root */
45 void make_root_login(void) {
47 char *privconfig, *privconfignew;
55 if(!(pw = getpwnam(config->user)))
56 fatal(0, "cannot find user %s", config->user);
59 /* Compute filenames */
60 byte_xasprintf(&privconfig, "%s/config.private", pkgconfdir);
61 byte_xasprintf(&privconfignew, "%s/config.private.new", pkgconfdir);
62 /* If config.private already exists don't overwrite it */
63 if(stat(privconfig, &sb) == 0)
65 /* Choose a new root password */
66 gcry_randomize(pwbin, sizeof pwbin, GCRY_STRONG_RANDOM);
67 pwhex = hex(pwbin, sizeof pwbin);
69 if((fd = open(privconfignew, O_WRONLY|O_CREAT, 0600)) < 0) {
70 error(errno, "error creating %s", privconfignew);
71 return; /* not fatal! */
75 if(fchown(fd, 0, pw->pw_gid) < 0)
76 fatal(errno, "error setting owner/group for %s", privconfignew);
77 if(fchmod(fd, 0640) < 0)
78 fatal(errno, "error setting permissions for %s", privconfignew);
80 /* Write the required 'allow' line */
81 if(!(fp = fdopen(fd, "w")))
82 fatal(errno, "fdopen");
83 if(fprintf(fp, "allow root %s\n", pwhex) < 0
85 fatal(errno, "error writing %s", privconfignew);
86 /* Rename into place */
87 if(rename(privconfignew, privconfig) < 0)
88 fatal(errno, "error renaming %s", privconfignew);