diff options
Diffstat (limited to 'source4/nsswitch/winbindd_sid.c')
| -rw-r--r-- | source4/nsswitch/winbindd_sid.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/source4/nsswitch/winbindd_sid.c b/source4/nsswitch/winbindd_sid.c new file mode 100644 index 0000000000..6ab2eaa646 --- /dev/null +++ b/source4/nsswitch/winbindd_sid.c @@ -0,0 +1,235 @@ +/* + Unix SMB/CIFS implementation. + + 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" + +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_WINBIND + +/* 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; + fstring dom_name; + + /* Ensure null termination */ + state->request.data.sid[sizeof(state->request.data.sid)-1]='\0'; + + DEBUG(3, ("[%5d]: lookupsid %s\n", state->pid, + state->request.data.sid)); + + /* Lookup sid from PDC using lsa_lookup_sids() */ + + if (!string_to_sid(&sid, state->request.data.sid)) { + DEBUG(5, ("%s not a SID\n", state->request.data.sid)); + return WINBINDD_ERROR; + } + + /* 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, dom_name, name, &type)) { + return WINBINDD_ERROR; + } + + fstrcpy(state->response.data.name.dom_name, dom_name); + fstrcpy(state->response.data.name.name, name); + + state->response.data.name.type = type; + + return WINBINDD_OK; +} + + +/** + * Look up the SID for a qualified name. + **/ +enum winbindd_result winbindd_lookupname(struct winbindd_cli_state *state) +{ + enum SID_NAME_USE type; + fstring sid_str; + char *name_domain, *name_user; + DOM_SID sid; + struct winbindd_domain *domain; + + /* Ensure null termination */ + state->request.data.sid[sizeof(state->request.data.name.dom_name)-1]='\0'; + + /* Ensure null termination */ + state->request.data.sid[sizeof(state->request.data.name.name)-1]='\0'; + + DEBUG(3, ("[%5d]: lookupname %s%s%s\n", state->pid, + state->request.data.name.dom_name, + lp_winbind_separator(), + state->request.data.name.name)); + + name_domain = state->request.data.name.dom_name; + name_user = state->request.data.name.name; + + 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_user, &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; + + /* Ensure null termination */ + state->request.data.sid[sizeof(state->request.data.sid)-1]='\0'; + + DEBUG(3, ("[%5d]: sid to uid %s\n", state->pid, + state->request.data.sid)); + + /* Split sid into domain sid and user rid */ + if (!string_to_sid(&sid, state->request.data.sid)) { + DEBUG(1, ("Could not get convert sid %s from string\n", + state->request.data.sid)); + return WINBINDD_ERROR; + } + + /* Find uid for this sid and return it */ + if (!winbindd_idmap_get_uid_from_sid(&sid, &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; + + /* Ensure null termination */ + state->request.data.sid[sizeof(state->request.data.sid)-1]='\0'; + + DEBUG(3, ("[%5d]: sid to gid %s\n", state->pid, + state->request.data.sid)); + + if (!string_to_sid(&sid, state->request.data.sid)) { + DEBUG(1, ("Could not cvt string to sid %s\n", + state->request.data.sid)); + return WINBINDD_ERROR; + } + + /* Find gid for this sid and return it */ + if (!winbindd_idmap_get_gid_from_sid(&sid, &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) +{ + 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_sid_from_uid(state->request.data.uid, &sid)) { + DEBUG(1, ("Could not convert uid %d to rid\n", + state->request.data.uid)); + return WINBINDD_ERROR; + } + + 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) +{ + 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 sid for this uid */ + if (!winbindd_idmap_get_sid_from_gid(state->request.data.gid, &sid)) { + DEBUG(1, ("Could not convert gid %d to sid\n", + state->request.data.gid)); + return WINBINDD_ERROR; + } + + /* Construct sid and return it */ + sid_to_string(state->response.data.sid.sid, &sid); + state->response.data.sid.type = SID_NAME_DOM_GRP; + + return WINBINDD_OK; +} |