diff options
Diffstat (limited to 'source/nsswitch/winbindd_sid.c')
-rw-r--r-- | source/nsswitch/winbindd_sid.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/source/nsswitch/winbindd_sid.c b/source/nsswitch/winbindd_sid.c new file mode 100644 index 00000000000..a6daecff712 --- /dev/null +++ b/source/nsswitch/winbindd_sid.c @@ -0,0 +1,250 @@ +/* + Unix SMB/Netbios implementation. + Version 2.0 + + Winbind daemon - sid related functions + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "winbindd.h" +#include "sids.h" + +/* Convert a string */ + +enum winbindd_result winbindd_lookupsid(struct winbindd_cli_state *state) +{ + extern DOM_SID global_sid_Builtin; + enum SID_NAME_USE type; + DOM_SID sid, tmp_sid; + uint32 rid; + fstring name; + + DEBUG(3, ("[%5d]: lookupsid %s\n", state->pid, + state->request.data.sid)); + + /* Lookup sid from PDC using lsa_lookup_sids() */ + + string_to_sid(&sid, state->request.data.sid); + + /* Don't look up BUILTIN sids */ + + sid_copy(&tmp_sid, &sid); + sid_split_rid(&tmp_sid, &rid); + + if (sid_equal(&tmp_sid, &global_sid_Builtin)) { + return WINBINDD_ERROR; + } + + /* Lookup the sid */ + + if (!winbindd_lookup_name_by_sid(&sid, name, &type)) { + return WINBINDD_ERROR; + } + + string_sub(name, "\\", lp_winbind_separator(), sizeof(fstring)); + fstrcpy(state->response.data.name.name, name); + state->response.data.name.type = type; + + return WINBINDD_OK; +} + +/* Convert a sid to a string */ + +enum winbindd_result winbindd_lookupname(struct winbindd_cli_state *state) +{ + enum SID_NAME_USE type; + fstring sid_str, name_domain, name_user, name; + DOM_SID sid; + struct winbindd_domain *domain; + DEBUG(3, ("[%5d]: lookupname %s\n", state->pid, + state->request.data.name)); + + if (!parse_domain_user(state->request.data.name, name_domain, name_user)) + return WINBINDD_ERROR; + + snprintf(name, sizeof(name), "%s\\%s", name_domain, name_user); + + if ((domain = find_domain_from_name(name_domain)) == NULL) { + DEBUG(0, ("could not find domain entry for domain %s\n", + name_domain)); + return WINBINDD_ERROR; + } + + /* Lookup name from PDC using lsa_lookup_names() */ + if (!winbindd_lookup_sid_by_name(domain, name, &sid, &type)) { + return WINBINDD_ERROR; + } + + sid_to_string(sid_str, &sid); + fstrcpy(state->response.data.sid.sid, sid_str); + state->response.data.sid.type = type; + + return WINBINDD_OK; +} + +/* Convert a sid to a uid. We assume we only have one rid attached to the + sid. */ + +enum winbindd_result winbindd_sid_to_uid(struct winbindd_cli_state *state) +{ + DOM_SID sid; + uint32 user_rid; + struct winbindd_domain *domain; + + DEBUG(3, ("[%5d]: sid to uid %s\n", state->pid, + state->request.data.sid)); + + /* Split sid into domain sid and user rid */ + + string_to_sid(&sid, state->request.data.sid); + sid_split_rid(&sid, &user_rid); + + /* Find domain this sid belongs to */ + + if ((domain = find_domain_from_sid(&sid)) == NULL) { + fstring sid_str; + + sid_to_string(sid_str, &sid); + DEBUG(1, ("Could not find domain for sid %s\n", sid_str)); + return WINBINDD_ERROR; + } + + /* Find uid for this sid and return it */ + + if (!winbindd_idmap_get_uid_from_rid(domain->name, user_rid, + &state->response.data.uid)) { + DEBUG(1, ("Could not get uid for sid %s\n", + state->request.data.sid)); + return WINBINDD_ERROR; + } + + return WINBINDD_OK; +} + +/* Convert a sid to a gid. We assume we only have one rid attached to the + sid.*/ + +enum winbindd_result winbindd_sid_to_gid(struct winbindd_cli_state *state) +{ + DOM_SID sid; + uint32 group_rid; + struct winbindd_domain *domain; + + DEBUG(3, ("[%5d]: sid to gid %s\n", state->pid, + state->request.data.sid)); + + /* Split sid into domain sid and user rid */ + + string_to_sid(&sid, state->request.data.sid); + sid_split_rid(&sid, &group_rid); + + /* Find domain this sid belongs to */ + + if ((domain = find_domain_from_sid(&sid)) == NULL) { + fstring sid_str; + + sid_to_string(sid_str, &sid); + DEBUG(1, ("Could not find domain for sid %s\n", sid_str)); + return WINBINDD_ERROR; + } + + /* Find uid for this sid and return it */ + + if (!winbindd_idmap_get_gid_from_rid(domain->name, group_rid, + &state->response.data.gid)) { + DEBUG(1, ("Could not get gid for sid %s\n", + state->request.data.sid)); + return WINBINDD_ERROR; + } + + return WINBINDD_OK; +} + +/* Convert a uid to a sid */ + +enum winbindd_result winbindd_uid_to_sid(struct winbindd_cli_state *state) +{ + struct winbindd_domain *domain; + uint32 user_rid; + DOM_SID sid; + + /* Bug out if the uid isn't in the winbind range */ + + if ((state->request.data.uid < server_state.uid_low ) || + (state->request.data.uid > server_state.uid_high)) { + return WINBINDD_ERROR; + } + + DEBUG(3, ("[%5d]: uid to sid %d\n", state->pid, + state->request.data.uid)); + + /* Lookup rid for this uid */ + + if (!winbindd_idmap_get_rid_from_uid(state->request.data.uid, + &user_rid, &domain)) { + DEBUG(1, ("Could not convert uid %d to rid\n", + state->request.data.uid)); + return WINBINDD_ERROR; + } + + /* Construct sid and return it */ + + sid_copy(&sid, &domain->sid); + sid_append_rid(&sid, user_rid); + sid_to_string(state->response.data.sid.sid, &sid); + state->response.data.sid.type = SID_NAME_USER; + + return WINBINDD_OK; +} + +/* Convert a gid to a sid */ + +enum winbindd_result winbindd_gid_to_sid(struct winbindd_cli_state *state) +{ + struct winbindd_domain *domain; + uint32 group_rid; + DOM_SID sid; + + /* Bug out if the gid isn't in the winbind range */ + + if ((state->request.data.gid < server_state.gid_low) || + (state->request.data.gid > server_state.gid_high)) { + return WINBINDD_ERROR; + } + + DEBUG(3, ("[%5d]: gid to sid %d\n", state->pid, + state->request.data.gid)); + + /* Lookup rid for this uid */ + + if (!winbindd_idmap_get_rid_from_gid(state->request.data.gid, + &group_rid, &domain)) { + DEBUG(1, ("Could not convert gid %d to rid\n", + state->request.data.gid)); + return WINBINDD_ERROR; + } + + /* Construct sid and return it */ + + sid_copy(&sid, &domain->sid); + sid_append_rid(&sid, group_rid); + sid_to_string(state->response.data.sid.sid, &sid); + state->response.data.sid.type = SID_NAME_DOM_GRP; + + return WINBINDD_OK; +} |