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Unix SMB/Netbios implementation.
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Copyright (C) Tim Potter 2000
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#include "se_access_check_utils.h"
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void char_to_sid(DOM_SID *sid, char *sid_str)
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/* If it looks like a SID, call string_to_sid() else look it up
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if (strncmp(sid_str, "S-", 2) == 0) {
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string_to_sid(sid, sid_str);
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struct winbindd_request request;
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struct winbindd_response response;
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/* Send off request */
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ZERO_STRUCT(response);
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fstrcpy(request.data.name, sid_str);
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if (winbindd_request(WINBINDD_LOOKUPNAME, &request,
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&response) != NSS_STATUS_SUCCESS) {
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printf("FAIL: unable to look up sid for name %s\n",
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string_to_sid(sid, response.data.sid.sid);
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printf("converted char %s to sid %s\n", sid_str,
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response.data.sid.sid);
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/* Construct an ACL from a list of ace_entry structures */
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SEC_ACL *build_acl(struct ace_entry *ace_list)
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if (ace_list == NULL) return NULL;
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while(ace_list->sid) {
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/* Create memory for new ACE */
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if (!(aces = Realloc(aces,
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sizeof(SEC_ACE) * (num_aces + 1)))) {
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init_sec_access(&sa, ace_list->mask);
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char_to_sid(&sid, ace_list->sid);
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init_sec_ace(&aces[num_aces], &sid, ace_list->type,
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/* Create ACL from list of ACEs */
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result = make_sec_acl(ACL_REVISION, num_aces, aces);
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/* Make a security descriptor */
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SEC_DESC *build_sec_desc(struct ace_entry *dacl, struct ace_entry *sacl,
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char *owner_sid, char *group_sid)
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DOM_SID the_owner_sid, the_group_sid;
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SEC_ACL *the_dacl, *the_sacl;
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/* Build up bits of security descriptor */
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char_to_sid(&the_owner_sid, owner_sid);
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char_to_sid(&the_group_sid, group_sid);
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the_dacl = build_acl(dacl);
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the_sacl = build_acl(sacl);
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result = make_sec_desc(SEC_DESC_REVISION,
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SEC_DESC_SELF_RELATIVE | SEC_DESC_DACL_PRESENT,
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&the_owner_sid, &the_group_sid,
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the_sacl, the_dacl, &size);
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free_sec_acl(&the_dacl);
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free_sec_acl(&the_sacl);
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/* Iterate over password database and call a user-specified function */
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void visit_pwdb(BOOL (*fn)(struct passwd *pw, int ngroups, gid_t *groups))
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while ((pw = getpwent())) {
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ngroups = getgroups(0, NULL);
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groups = malloc(sizeof(gid_t) * ngroups);
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getgroups(ngroups, groups);
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result = fn(pw, ngroups, groups);