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* sec_helper.cc (get_sids_info): New function.

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* security.cc (extract_nt_dom_user): Simplify with strechr.
	(get_user_groups): Initialize glen to MAX_SID_LEN.
	(get_user_local_groups): Ditto.
	(get_attribute_from_acl): Define ace_sid as cygpsid.
	(get_nt_attribute): Define owner_sid and group_sid as cygpsid.
	Call get_sids_info instead of cygsid.get_{u,g}id and is_grp_member.
	(get_nt_object_attribute): Ditto.
	(alloc_sd): Define ace_sid as cygpsid.
This commit is contained in:
Corinna Vinschen
2003-02-05 13:47:47 +00:00
parent b7b6c58a20
commit 0c8455c344
3 changed files with 72 additions and 24 deletions
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37
winsup/cygwin/sec_helper.cc
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@@ -186,6 +186,43 @@ cygsid::getfromgr (const struct __group32 *gr)
return (*this = sp) != NULL;
}
bool
get_sids_info (cygpsid owner_sid, cygpsid group_sid, __uid32_t * uidret, __gid32_t * gidret)
{
struct passwd *pw;
struct __group32 *gr = NULL;
bool ret = false;
if (group_sid == cygheap->user.groups.pgsid)
*gidret = myself->gid;
else if ((gr = internal_getgrsid (group_sid)))
*gidret = gr->gr_gid;
else
*gidret = ILLEGAL_GID;
if (owner_sid == cygheap->user.sid ())
{
*uidret = myself->uid;
if (*gidret == myself->gid)
ret = true;
else
ret = (internal_getgroups (0, NULL, &group_sid) > 0);
}
else if ((pw = internal_getpwsid (owner_sid)))
{
*uidret = pw->pw_uid;
if (gr || (*gidret != ILLEGAL_GID
&& (gr = internal_getgrgid (*gidret))))
for (int idx = 0; gr->gr_mem[idx]; ++idx)
if ((ret = strcasematch (pw->pw_name, gr->gr_mem[idx])))
break;
}
else
*uidret = ILLEGAL_UID;
return ret;
}
BOOL
is_grp_member (__uid32_t uid, __gid32_t gid)
{