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Diffstat (limited to '')
| -rw-r--r-- | src/util-privs.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/util-privs.h b/src/util-privs.h new file mode 100644 index 0000000..4545339 --- /dev/null +++ b/src/util-privs.h @@ -0,0 +1,103 @@ +/* Copyright (C) 2007-2010 Open Information Security Foundation + * + * You can copy, redistribute or modify this Program under the terms of + * the GNU General Public License version 2 as published by the Free + * Software Foundation. + * + * 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 + * version 2 along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +/** + * \file + * + * \author Gurvinder Singh <gurvindersinghdahiya@gmail.com> + */ + +#ifndef _UTIL_PRIVS_H +#define _UTIL_PRIVS_H + +#define SC_CAP_NONE 0x01 +#define SC_CAP_SYS_ADMIN 0x02 +#define SC_CAP_SYS_RAW_IO 0x04 +#define SC_CAP_IPC_LOCK 0x08 +#define SC_CAP_NET_ADMIN 0x10 +#define SC_CAP_NET_RAW 0x20 +#define SC_CAP_NET_BIND_SERVICE 0x40 +#define SC_CAP_NET_BROADCAST 0x80 + +#ifdef HAVE_LIBCAP_NG +#include <cap-ng.h> +#include "threadvars.h" + +/**Drop the privileges of the given thread tv, based on the thread cap_flags + * which implies the capability requirement of the given thread. Initially all + * caps are dropped and later, the required caps are set for the given thread + */ +void SCDropCaps(ThreadVars *tv); +/* +#define SCDropCaps(tv) ({ \ + capng_clear(CAPNG_SELECT_BOTH); \ + capng_apply(CAPNG_SELECT_BOTH); \ + if (tv->cap_flags & SC_CAP_IPC_LOCK) { \ + capng_update(CAPNG_ADD, (capng_type_t) (CAPNG_EFFECTIVE | CAPNG_PERMITTED), CAP_IPC_LOCK); \ + capng_apply(CAPNG_SELECT_CAPS); \ + SCLogDebug("For thread \"%s\" CAP_IPC_LOCK has been set", tv->name); \ + } \ + if (tv->cap_flags & SC_CAP_NET_ADMIN) { \ + capng_update(CAPNG_ADD, (capng_type_t) (CAPNG_EFFECTIVE | CAPNG_PERMITTED), CAP_NET_ADMIN); \ + capng_apply(CAPNG_SELECT_CAPS); \ + SCLogDebug("For thread \"%s\" CAP_NET_ADMIN has been set", tv->name); \ + } \ + if (tv->cap_flags & SC_CAP_NET_BIND_SERVICE) { \ + capng_update(CAPNG_ADD, (capng_type_t) (CAPNG_EFFECTIVE | CAPNG_PERMITTED), CAP_NET_BIND_SERVICE); \ + capng_apply(CAPNG_SELECT_CAPS); \ + SCLogDebug("For thread \"%s\" CAP_NET_BIND_SERVICE has been set", tv->name); \ + } \ + if (tv->cap_flags & SC_CAP_NET_BROADCAST) { \ + capng_update(CAPNG_ADD, (capng_type_t) (CAPNG_EFFECTIVE | CAPNG_PERMITTED), CAP_NET_BROADCAST); \ + capng_apply(CAPNG_SELECT_CAPS); \ + SCLogDebug("For thread \"%s\" CAP_NET_BROADCAST has been set", tv->name); \ + } \ + if (tv->cap_flags & SC_CAP_NET_RAW) { \ + capng_update(CAPNG_ADD, (capng_type_t) (CAPNG_EFFECTIVE | CAPNG_PERMITTED), CAP_NET_RAW); \ + capng_apply(CAPNG_SELECT_CAPS); \ + SCLogDebug("For thread \"%s\" CAP_NET_RAW has been set", tv->name); \ + } \ + if (tv->cap_flags & SC_CAP_SYS_ADMIN) { \ + capng_update(CAPNG_ADD, (capng_type_t) (CAPNG_EFFECTIVE | CAPNG_PERMITTED), CAP_SYS_ADMIN); \ + capng_apply(CAPNG_SELECT_CAPS); \ + SCLogDebug("For thread \"%s\" CAP_SYS_ADMIN has been set", tv->name); \ + } \ + if (tv->cap_flags & SC_CAP_SYS_RAW_IO) { \ + capng_update(CAPNG_ADD, (capng_type_t) (CAPNG_EFFECTIVE | CAPNG_PERMITTED), CAP_SYS_RAWIO); \ + capng_apply(CAPNG_SELECT_CAPS); \ + SCLogDebug("For thread \"%s\" CAP_SYS_RAWIO has been set", tv->name); \ + } \ +}) +*/ +void SCDropMainThreadCaps(uint32_t , uint32_t ); + +#else +#define SCDropCaps(...) +#define SCDropMainThreadCaps(...) +#endif /* HAVE_LIBCAP_NG */ + +void SCGetUserID(const char *, const char *, uint32_t *, uint32_t *); +void SCGetGroupID(const char *, uint32_t *); + +#ifdef __OpenBSD__ +int SCPledge(void); +#else /* __OpenBSD__ */ +#define SCPledge(...) +#endif /* __OpenBSD__ */ + +#endif /* _UTIL_PRIVS_H */ + |