mirror of
https://github.com/samba-team/samba.git
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f8abe6eba4
Jeremy.
(This used to be commit 9563de2ef8
)
251 lines
6.3 KiB
C
251 lines
6.3 KiB
C
/*
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Unix SMB/Netbios implementation.
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Version 2.0
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Winbind daemon - sid related functions
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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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*/
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#include "winbindd.h"
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#include "sids.h"
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/* Convert a string */
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enum winbindd_result winbindd_lookupsid(struct winbindd_cli_state *state)
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{
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extern DOM_SID global_sid_Builtin;
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enum SID_NAME_USE type;
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DOM_SID sid, tmp_sid;
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uint32 rid;
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fstring name;
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DEBUG(3, ("[%5d]: lookupsid %s\n", state->pid,
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state->request.data.sid));
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/* Lookup sid from PDC using lsa_lookup_sids() */
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string_to_sid(&sid, state->request.data.sid);
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/* Don't look up BUILTIN sids */
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sid_copy(&tmp_sid, &sid);
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sid_split_rid(&tmp_sid, &rid);
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if (sid_equal(&tmp_sid, &global_sid_Builtin)) {
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return WINBINDD_ERROR;
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}
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/* Lookup the sid */
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if (!winbindd_lookup_name_by_sid(&sid, name, &type)) {
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return WINBINDD_ERROR;
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}
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string_sub(name, "\\", lp_winbind_separator(), sizeof(fstring));
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fstrcpy(state->response.data.name.name, name);
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state->response.data.name.type = type;
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return WINBINDD_OK;
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}
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/* Convert a sid to a string */
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enum winbindd_result winbindd_lookupname(struct winbindd_cli_state *state)
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{
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enum SID_NAME_USE type;
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fstring sid_str, name_domain, name_user, name;
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DOM_SID sid;
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struct winbindd_domain *domain;
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DEBUG(3, ("[%5d]: lookupname %s\n", state->pid,
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state->request.data.name));
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if (!parse_domain_user(state->request.data.name, name_domain, name_user))
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return WINBINDD_ERROR;
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snprintf(name, sizeof(name), "%s\\%s", name_domain, name_user);
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if ((domain = find_domain_from_name(name_domain)) == NULL) {
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DEBUG(0, ("could not find domain entry for domain %s\n",
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name_domain));
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return WINBINDD_ERROR;
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}
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/* Lookup name from PDC using lsa_lookup_names() */
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if (!winbindd_lookup_sid_by_name(domain, name, &sid, &type)) {
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return WINBINDD_ERROR;
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}
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sid_to_string(sid_str, &sid);
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fstrcpy(state->response.data.sid.sid, sid_str);
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state->response.data.sid.type = type;
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return WINBINDD_OK;
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}
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/* Convert a sid to a uid. We assume we only have one rid attached to the
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sid. */
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enum winbindd_result winbindd_sid_to_uid(struct winbindd_cli_state *state)
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{
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DOM_SID sid;
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uint32 user_rid;
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struct winbindd_domain *domain;
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DEBUG(3, ("[%5d]: sid to uid %s\n", state->pid,
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state->request.data.sid));
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/* Split sid into domain sid and user rid */
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string_to_sid(&sid, state->request.data.sid);
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sid_split_rid(&sid, &user_rid);
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/* Find domain this sid belongs to */
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if ((domain = find_domain_from_sid(&sid)) == NULL) {
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fstring sid_str;
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sid_to_string(sid_str, &sid);
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DEBUG(1, ("Could not find domain for sid %s\n", sid_str));
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return WINBINDD_ERROR;
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}
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/* Find uid for this sid and return it */
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if (!winbindd_idmap_get_uid_from_rid(domain->name, user_rid,
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&state->response.data.uid)) {
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DEBUG(1, ("Could not get uid for sid %s\n",
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state->request.data.sid));
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return WINBINDD_ERROR;
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}
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return WINBINDD_OK;
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}
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/* Convert a sid to a gid. We assume we only have one rid attached to the
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sid.*/
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enum winbindd_result winbindd_sid_to_gid(struct winbindd_cli_state *state)
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{
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DOM_SID sid;
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uint32 group_rid;
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struct winbindd_domain *domain;
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DEBUG(3, ("[%5d]: sid to gid %s\n", state->pid,
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state->request.data.sid));
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/* Split sid into domain sid and user rid */
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string_to_sid(&sid, state->request.data.sid);
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sid_split_rid(&sid, &group_rid);
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/* Find domain this sid belongs to */
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if ((domain = find_domain_from_sid(&sid)) == NULL) {
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fstring sid_str;
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sid_to_string(sid_str, &sid);
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DEBUG(1, ("Could not find domain for sid %s\n", sid_str));
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return WINBINDD_ERROR;
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}
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/* Find uid for this sid and return it */
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if (!winbindd_idmap_get_gid_from_rid(domain->name, group_rid,
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&state->response.data.gid)) {
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DEBUG(1, ("Could not get gid for sid %s\n",
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state->request.data.sid));
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return WINBINDD_ERROR;
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}
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return WINBINDD_OK;
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}
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/* Convert a uid to a sid */
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enum winbindd_result winbindd_uid_to_sid(struct winbindd_cli_state *state)
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{
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struct winbindd_domain *domain;
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uint32 user_rid;
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DOM_SID sid;
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/* Bug out if the uid isn't in the winbind range */
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if ((state->request.data.uid < server_state.uid_low ) ||
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(state->request.data.uid > server_state.uid_high)) {
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return WINBINDD_ERROR;
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}
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DEBUG(3, ("[%5d]: uid to sid %d\n", state->pid,
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state->request.data.uid));
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/* Lookup rid for this uid */
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if (!winbindd_idmap_get_rid_from_uid(state->request.data.uid,
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&user_rid, &domain)) {
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DEBUG(1, ("Could not convert uid %d to rid\n",
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state->request.data.uid));
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return WINBINDD_ERROR;
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}
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/* Construct sid and return it */
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sid_copy(&sid, &domain->sid);
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sid_append_rid(&sid, user_rid);
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sid_to_string(state->response.data.sid.sid, &sid);
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state->response.data.sid.type = SID_NAME_USER;
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return WINBINDD_OK;
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}
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/* Convert a gid to a sid */
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enum winbindd_result winbindd_gid_to_sid(struct winbindd_cli_state *state)
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{
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struct winbindd_domain *domain;
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uint32 group_rid;
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DOM_SID sid;
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/* Bug out if the gid isn't in the winbind range */
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if ((state->request.data.gid < server_state.gid_low) ||
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(state->request.data.gid > server_state.gid_high)) {
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return WINBINDD_ERROR;
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}
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DEBUG(3, ("[%5d]: gid to sid %d\n", state->pid,
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state->request.data.gid));
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/* Lookup rid for this uid */
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if (!winbindd_idmap_get_rid_from_gid(state->request.data.gid,
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&group_rid, &domain)) {
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DEBUG(1, ("Could not convert gid %d to rid\n",
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state->request.data.gid));
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return WINBINDD_ERROR;
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}
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/* Construct sid and return it */
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sid_copy(&sid, &domain->sid);
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sid_append_rid(&sid, group_rid);
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sid_to_string(state->response.data.sid.sid, &sid);
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state->response.data.sid.type = SID_NAME_DOM_GRP;
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return WINBINDD_OK;
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}
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