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Diffstat (limited to 'source4/libcli/security/security_token.c')
| -rw-r--r-- | source4/libcli/security/security_token.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/source4/libcli/security/security_token.c b/source4/libcli/security/security_token.c new file mode 100644 index 0000000000..0680c54258 --- /dev/null +++ b/source4/libcli/security/security_token.c @@ -0,0 +1,170 @@ +/* + Unix SMB/CIFS implementation. + + security descriptror utility functions + + Copyright (C) Andrew Tridgell 2004 + Copyright (C) Stefan Metzmacher 2005 + + 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 "includes.h" +#include "dsdb/samdb/samdb.h" +#include "libcli/security/security.h" +#include "auth/session.h" + +/* + return a blank security token +*/ +struct security_token *security_token_initialise(TALLOC_CTX *mem_ctx) +{ + struct security_token *st; + + st = talloc(mem_ctx, struct security_token); + if (!st) { + return NULL; + } + + st->user_sid = NULL; + st->group_sid = NULL; + st->num_sids = 0; + st->sids = NULL; + st->privilege_mask = 0; + + return st; +} + +/**************************************************************************** + prints a struct security_token to debug output. +****************************************************************************/ +void security_token_debug(int dbg_lev, const struct security_token *token) +{ + TALLOC_CTX *mem_ctx; + int i; + + if (!token) { + DEBUG(dbg_lev, ("Security token: (NULL)\n")); + return; + } + + mem_ctx = talloc_init("security_token_debug()"); + if (!mem_ctx) { + return; + } + + DEBUG(dbg_lev, ("Security token of user %s\n", + dom_sid_string(mem_ctx, token->user_sid) )); + DEBUGADD(dbg_lev, (" SIDs (%lu):\n", + (unsigned long)token->num_sids)); + for (i = 0; i < token->num_sids; i++) { + DEBUGADD(dbg_lev, (" SID[%3lu]: %s\n", (unsigned long)i, + dom_sid_string(mem_ctx, token->sids[i]))); + } + + security_token_debug_privileges(dbg_lev, token); + + talloc_free(mem_ctx); +} + +/* These really should be cheaper... */ + +bool security_token_is_sid(const struct security_token *token, const struct dom_sid *sid) +{ + if (dom_sid_equal(token->user_sid, sid)) { + return true; + } + return false; +} + +bool security_token_is_sid_string(const struct security_token *token, const char *sid_string) +{ + bool ret; + struct dom_sid *sid = dom_sid_parse_talloc(NULL, sid_string); + if (!sid) return false; + + ret = security_token_is_sid(token, sid); + + talloc_free(sid); + return ret; +} + +bool security_token_is_system(const struct security_token *token) +{ + return security_token_is_sid_string(token, SID_NT_SYSTEM); +} + +bool security_token_is_anonymous(const struct security_token *token) +{ + return security_token_is_sid_string(token, SID_NT_ANONYMOUS); +} + +bool security_token_has_sid(const struct security_token *token, const struct dom_sid *sid) +{ + int i; + for (i = 0; i < token->num_sids; i++) { + if (dom_sid_equal(token->sids[i], sid)) { + return true; + } + } + return false; +} + +bool security_token_has_sid_string(const struct security_token *token, const char *sid_string) +{ + bool ret; + struct dom_sid *sid = dom_sid_parse_talloc(NULL, sid_string); + if (!sid) return false; + + ret = security_token_has_sid(token, sid); + + talloc_free(sid); + return ret; +} + +bool security_token_has_builtin_administrators(const struct security_token *token) +{ + return security_token_has_sid_string(token, SID_BUILTIN_ADMINISTRATORS); +} + +bool security_token_has_nt_authenticated_users(const struct security_token *token) +{ + return security_token_has_sid_string(token, SID_NT_AUTHENTICATED_USERS); +} + +enum security_user_level security_session_user_level(struct auth_session_info *session_info) +{ + if (!session_info) { + return SECURITY_ANONYMOUS; + } + + if (security_token_is_system(session_info->security_token)) { + return SECURITY_SYSTEM; + } + + if (security_token_is_anonymous(session_info->security_token)) { + return SECURITY_ANONYMOUS; + } + + if (security_token_has_builtin_administrators(session_info->security_token)) { + return SECURITY_ADMINISTRATOR; + } + + if (security_token_has_nt_authenticated_users(session_info->security_token)) { + return SECURITY_USER; + } + + return SECURITY_ANONYMOUS; +} + |