mirror of
https://github.com/samba-team/samba.git
synced 2024-12-25 23:21:54 +03:00
c2ac923c6a
Rather than have safe_string.h #include string_wrappers.h, make users of string_wrappers.h include it explicitly. includes.h now no longer includes string_wrappers.h transitively. Still allow includes.h to #include safe_string.h for now so that as many modules as possible get the safety checks in it. Signed-off-by: Matthew DeVore <matvore@google.com> Reviewed-by: David Mulder <dmulder@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
159 lines
3.5 KiB
C
159 lines
3.5 KiB
C
/*
|
|
Unix SMB/Netbios implementation.
|
|
Version 1.9.
|
|
Security context tests
|
|
Copyright (C) Tim Potter 2000
|
|
|
|
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 "se_access_check_utils.h"
|
|
#include "lib/util/string_wrappers.h"
|
|
|
|
void char_to_sid(struct dom_sid *sid, char *sid_str)
|
|
{
|
|
/* If it looks like a SID, call string_to_sid() else look it up
|
|
using wbinfo. */
|
|
|
|
if (strncmp(sid_str, "S-", 2) == 0) {
|
|
string_to_sid(sid, sid_str);
|
|
} else {
|
|
struct winbindd_request request;
|
|
struct winbindd_response response;
|
|
|
|
/* Send off request */
|
|
|
|
ZERO_STRUCT(request);
|
|
ZERO_STRUCT(response);
|
|
|
|
fstrcpy(request.data.name, sid_str);
|
|
if (winbindd_request(WINBINDD_LOOKUPNAME, &request,
|
|
&response) != NSS_STATUS_SUCCESS) {
|
|
printf("FAIL: unable to look up sid for name %s\n",
|
|
sid_str);
|
|
exit(1);
|
|
}
|
|
|
|
string_to_sid(sid, response.data.sid.sid);
|
|
printf("converted char %s to sid %s\n", sid_str,
|
|
response.data.sid.sid);
|
|
}
|
|
}
|
|
|
|
/* Construct an ACL from a list of ace_entry structures */
|
|
|
|
SEC_ACL *build_acl(struct ace_entry *ace_list)
|
|
{
|
|
SEC_ACE *aces = NULL;
|
|
SEC_ACL *result;
|
|
int num_aces = 0;
|
|
|
|
if (ace_list == NULL) return NULL;
|
|
|
|
/* Create aces */
|
|
|
|
while(ace_list->sid) {
|
|
SEC_ACCESS sa;
|
|
struct dom_sid sid;
|
|
|
|
/* Create memory for new ACE */
|
|
|
|
if (!(aces = Realloc(aces,
|
|
sizeof(SEC_ACE) * (num_aces + 1)))) {
|
|
return NULL;
|
|
}
|
|
|
|
/* Create ace */
|
|
|
|
init_sec_access(&sa, ace_list->mask);
|
|
|
|
char_to_sid(&sid, ace_list->sid);
|
|
init_sec_ace(&aces[num_aces], &sid, ace_list->type,
|
|
sa, ace_list->flags);
|
|
|
|
num_aces++;
|
|
ace_list++;
|
|
}
|
|
|
|
/* Create ACL from list of ACEs */
|
|
|
|
result = make_sec_acl(ACL_REVISION, num_aces, aces);
|
|
free(aces);
|
|
|
|
return result;
|
|
}
|
|
|
|
/* Make a security descriptor */
|
|
|
|
SEC_DESC *build_sec_desc(struct ace_entry *dacl, struct ace_entry *sacl,
|
|
char *owner_sid, char *group_sid)
|
|
{
|
|
struct dom_sid the_owner_sid, the_group_sid;
|
|
SEC_ACL *the_dacl, *the_sacl;
|
|
SEC_DESC *result;
|
|
size_t size;
|
|
|
|
/* Build up bits of security descriptor */
|
|
|
|
char_to_sid(&the_owner_sid, owner_sid);
|
|
char_to_sid(&the_group_sid, group_sid);
|
|
|
|
the_dacl = build_acl(dacl);
|
|
the_sacl = build_acl(sacl);
|
|
|
|
result = make_sec_desc(SEC_DESC_REVISION,
|
|
SEC_DESC_SELF_RELATIVE | SEC_DESC_DACL_PRESENT,
|
|
&the_owner_sid, &the_group_sid,
|
|
the_sacl, the_dacl, &size);
|
|
|
|
free_sec_acl(&the_dacl);
|
|
free_sec_acl(&the_sacl);
|
|
|
|
return result;
|
|
}
|
|
|
|
/* Iterate over password database and call a user-specified function */
|
|
|
|
void visit_pwdb(BOOL (*fn)(struct passwd *pw, int ngroups, gid_t *groups))
|
|
{
|
|
struct passwd *pw;
|
|
int ngroups;
|
|
gid_t *groups;
|
|
|
|
setpwent();
|
|
|
|
while ((pw = getpwent())) {
|
|
BOOL result;
|
|
|
|
/* Get grouplist */
|
|
|
|
ngroups = getgroups(0, NULL);
|
|
|
|
groups = malloc(sizeof(gid_t) * ngroups);
|
|
getgroups(ngroups, groups);
|
|
|
|
/* Call function */
|
|
|
|
result = fn(pw, ngroups, groups);
|
|
if (!result) break;
|
|
|
|
/* Clean up */
|
|
|
|
free(groups);
|
|
}
|
|
|
|
endpwent();
|
|
}
|