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author | Sumit Bose <sbose@redhat.com> | 2009-11-11 14:16:41 +0100 |
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committer | Stephen Gallagher <sgallagh@redhat.com> | 2009-11-20 11:18:49 -0500 |
commit | 9c49fb9a7cb6aa87a7bce1865887d6e4f78ce5fd (patch) | |
tree | 01eab02d15e4689f6df79dbe7b95d699987ce43b /server/providers/krb5/krb5_become_user.c | |
parent | eb78b771fe2beefef84295673e36eb3fbb11730a (diff) | |
download | sssd-9c49fb9a7cb6aa87a7bce1865887d6e4f78ce5fd.tar.gz sssd-9c49fb9a7cb6aa87a7bce1865887d6e4f78ce5fd.tar.bz2 sssd-9c49fb9a7cb6aa87a7bce1865887d6e4f78ce5fd.zip |
Validate Kerberos credentials with local keytab
Diffstat (limited to 'server/providers/krb5/krb5_become_user.c')
-rw-r--r-- | server/providers/krb5/krb5_become_user.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/server/providers/krb5/krb5_become_user.c b/server/providers/krb5/krb5_become_user.c new file mode 100644 index 00000000..351f539a --- /dev/null +++ b/server/providers/krb5/krb5_become_user.c @@ -0,0 +1,61 @@ +/* + SSSD + + Kerberos 5 Backend Module -- Utilities + + Authors: + Sumit Bose <sbose@redhat.com> + + Copyright (C) 2009 Red Hat + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <sys/types.h> +#include <unistd.h> + +#include "util/util.h" + +errno_t become_user(uid_t uid, gid_t gid) +{ + int ret; + + DEBUG(9, ("Trying to become user [%d][%d].\n", uid, gid)); + ret = setgid(gid); + if (ret == -1) { + DEBUG(1, ("setgid failed [%d][%s].\n", errno, strerror(errno))); + return errno; + } + + ret = setuid(uid); + if (ret == -1) { + DEBUG(1, ("setuid failed [%d][%s].\n", errno, strerror(errno))); + return errno; + } + + ret = setegid(gid); + if (ret == -1) { + DEBUG(1, ("setegid failed [%d][%s].\n", errno, strerror(errno))); + return errno; + } + + ret = seteuid(uid); + if (ret == -1) { + DEBUG(1, ("seteuid failed [%d][%s].\n", errno, strerror(errno))); + return errno; + } + + return EOK; +} + |