diff options
Diffstat (limited to 'source3/nsswitch/winbindd_sid.c')
| -rw-r--r-- | source3/nsswitch/winbindd_sid.c | 560 |
1 files changed, 0 insertions, 560 deletions
diff --git a/source3/nsswitch/winbindd_sid.c b/source3/nsswitch/winbindd_sid.c deleted file mode 100644 index 48e84d35e5..0000000000 --- a/source3/nsswitch/winbindd_sid.c +++ /dev/null @@ -1,560 +0,0 @@ -/* - 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 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 "winbindd.h" - -#undef DBGC_CLASS -#define DBGC_CLASS DBGC_WINBIND - -/* Convert a string */ - -static void lookupsid_recv(void *private_data, BOOL success, - const char *dom_name, const char *name, - enum lsa_SidType type); - -void winbindd_lookupsid(struct winbindd_cli_state *state) -{ - DOM_SID sid; - - /* Ensure null termination */ - state->request.data.sid[sizeof(state->request.data.sid)-1]='\0'; - - DEBUG(3, ("[%5lu]: lookupsid %s\n", (unsigned long)state->pid, - state->request.data.sid)); - - if (!string_to_sid(&sid, state->request.data.sid)) { - DEBUG(5, ("%s not a SID\n", state->request.data.sid)); - request_error(state); - return; - } - - winbindd_lookupsid_async(state->mem_ctx, &sid, lookupsid_recv, state); -} - -static void lookupsid_recv(void *private_data, BOOL success, - const char *dom_name, const char *name, - enum lsa_SidType type) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - - if (!success) { - DEBUG(5, ("lookupsid returned an error\n")); - request_error(state); - return; - } - - fstrcpy(state->response.data.name.dom_name, dom_name); - fstrcpy(state->response.data.name.name, name); - state->response.data.name.type = type; - request_ok(state); -} - -/** - * Look up the SID for a qualified name. - **/ - -static void lookupname_recv(void *private_data, BOOL success, - const DOM_SID *sid, enum lsa_SidType type); - -void winbindd_lookupname(struct winbindd_cli_state *state) -{ - char *name_domain, *name_user; - char *p; - - /* Ensure null termination */ - state->request.data.name.dom_name[sizeof(state->request.data.name.dom_name)-1]='\0'; - - /* Ensure null termination */ - state->request.data.name.name[sizeof(state->request.data.name.name)-1]='\0'; - - /* cope with the name being a fully qualified name */ - p = strstr(state->request.data.name.name, lp_winbind_separator()); - if (p) { - *p = 0; - name_domain = state->request.data.name.name; - name_user = p+1; - } else { - name_domain = state->request.data.name.dom_name; - name_user = state->request.data.name.name; - } - - DEBUG(3, ("[%5lu]: lookupname %s%s%s\n", (unsigned long)state->pid, - name_domain, lp_winbind_separator(), name_user)); - - winbindd_lookupname_async(state->mem_ctx, name_domain, name_user, - lookupname_recv, WINBINDD_LOOKUPNAME, - state); -} - -static void lookupname_recv(void *private_data, BOOL success, - const DOM_SID *sid, enum lsa_SidType type) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - - if (!success) { - DEBUG(5, ("lookupname returned an error\n")); - request_error(state); - return; - } - - sid_to_string(state->response.data.sid.sid, sid); - state->response.data.sid.type = type; - request_ok(state); - return; -} - -void winbindd_lookuprids(struct winbindd_cli_state *state) -{ - struct winbindd_domain *domain; - DOM_SID domain_sid; - - /* Ensure null termination */ - state->request.data.sid[sizeof(state->request.data.sid)-1]='\0'; - - DEBUG(10, ("lookup_rids: %s\n", state->request.data.sid)); - - if (!string_to_sid(&domain_sid, state->request.data.sid)) { - DEBUG(5, ("Could not convert %s to SID\n", - state->request.data.sid)); - request_error(state); - return; - } - - domain = find_lookup_domain_from_sid(&domain_sid); - if (domain == NULL) { - DEBUG(10, ("Could not find domain for name %s\n", - state->request.domain_name)); - request_error(state); - return; - } - - sendto_domain(state, domain); -} - -static struct winbindd_child static_idmap_child; - -void init_idmap_child(void) -{ - setup_domain_child(NULL, &static_idmap_child, "idmap"); -} - -struct winbindd_child *idmap_child(void) -{ - return &static_idmap_child; -} - -/* Convert a sid to a uid. We assume we only have one rid attached to the - sid. */ - -static void sid2uid_recv(void *private_data, BOOL success, uid_t uid) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - - if (!success) { - DEBUG(5, ("Could not convert sid %s\n", - state->request.data.sid)); - request_error(state); - return; - } - - state->response.data.uid = uid; - request_ok(state); -} - -static void sid2uid_lookupsid_recv( void *private_data, BOOL success, - const char *domain_name, - const char *name, - enum lsa_SidType type) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - DOM_SID sid; - - if (!success) { - DEBUG(5, ("sid2uid_lookupsid_recv Could not convert get sid type for %s\n", - state->request.data.sid)); - request_error(state); - return; - } - - if ( (type!=SID_NAME_USER) && (type!=SID_NAME_COMPUTER) ) { - DEBUG(5,("sid2uid_lookupsid_recv: Sid %s is not a user or a computer.\n", - state->request.data.sid)); - request_error(state); - return; - } - - if (!string_to_sid(&sid, state->request.data.sid)) { - DEBUG(1, ("sid2uid_lookupsid_recv: Could not get convert sid %s from string\n", - state->request.data.sid)); - request_error(state); - return; - } - - /* always use the async interface (may block) */ - winbindd_sid2uid_async(state->mem_ctx, &sid, sid2uid_recv, state); -} - -void 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, ("[%5lu]: sid to uid %s\n", (unsigned long)state->pid, - state->request.data.sid)); - - if (!string_to_sid(&sid, state->request.data.sid)) { - DEBUG(1, ("Could not get convert sid %s from string\n", - state->request.data.sid)); - request_error(state); - return; - } - - /* Validate the SID as a user. Hopefully this will hit cache. - Needed to prevent DoS by exhausting the uid allocation - range from random SIDs. */ - - winbindd_lookupsid_async( state->mem_ctx, &sid, sid2uid_lookupsid_recv, state ); -} - -/* Convert a sid to a gid. We assume we only have one rid attached to the - sid.*/ - -static void sid2gid_recv(void *private_data, BOOL success, gid_t gid) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - - if (!success) { - DEBUG(5, ("Could not convert sid %s\n", - state->request.data.sid)); - request_error(state); - return; - } - - state->response.data.gid = gid; - request_ok(state); -} - -static void sid2gid_lookupsid_recv( void *private_data, BOOL success, - const char *domain_name, - const char *name, - enum lsa_SidType type) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - DOM_SID sid; - - if (!success) { - DEBUG(5, ("sid2gid_lookupsid_recv: Could not get sid type for %s\n", - state->request.data.sid)); - request_error(state); - return; - } - - if ( (type!=SID_NAME_DOM_GRP) && - (type!=SID_NAME_ALIAS) && - (type!=SID_NAME_WKN_GRP) ) - { - DEBUG(5,("sid2gid_lookupsid_recv: Sid %s is not a group.\n", - state->request.data.sid)); - request_error(state); - return; - } - - if (!string_to_sid(&sid, state->request.data.sid)) { - DEBUG(1, ("sid2gid_lookupsid_recv: Could not get convert sid %s from string\n", - state->request.data.sid)); - request_error(state); - return; - } - - /* always use the async interface (may block) */ - winbindd_sid2gid_async(state->mem_ctx, &sid, sid2gid_recv, state); -} - -void 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, ("[%5lu]: sid to gid %s\n", (unsigned long)state->pid, - state->request.data.sid)); - - if (!string_to_sid(&sid, state->request.data.sid)) { - DEBUG(1, ("Could not get convert sid %s from string\n", - state->request.data.sid)); - request_error(state); - return; - } - - /* Validate the SID as a group. Hopefully this will hit cache. - Needed to prevent DoS by exhausting the uid allocation - range from random SIDs. */ - - winbindd_lookupsid_async( state->mem_ctx, &sid, sid2gid_lookupsid_recv, state ); -} - -static void sids2xids_recv(void *private_data, BOOL success, void *data, int len) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - - if (!success) { - DEBUG(5, ("Could not convert sids to xids\n")); - request_error(state); - return; - } - - state->response.extra_data.data = data; - state->response.length = sizeof(state->response) + len; - request_ok(state); -} - -void winbindd_sids_to_unixids(struct winbindd_cli_state *state) -{ - DEBUG(3, ("[%5lu]: sids to xids\n", (unsigned long)state->pid)); - - winbindd_sids2xids_async(state->mem_ctx, - state->request.extra_data.data, - state->request.extra_len, - sids2xids_recv, state); -} - -static void set_mapping_recv(void *private_data, BOOL success) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - - if (!success) { - DEBUG(5, ("Could not set sid mapping\n")); - request_error(state); - return; - } - - request_ok(state); -} - -void winbindd_set_mapping(struct winbindd_cli_state *state) -{ - struct id_map map; - DOM_SID sid; - - DEBUG(3, ("[%5lu]: set id map\n", (unsigned long)state->pid)); - - if ( ! state->privileged) { - DEBUG(0, ("Only root is allowed to set mappings!\n")); - request_error(state); - return; - } - - if (!string_to_sid(&sid, state->request.data.dual_idmapset.sid)) { - DEBUG(1, ("Could not get convert sid %s from string\n", - state->request.data.sid)); - request_error(state); - return; - } - - map.sid = &sid; - map.xid.id = state->request.data.dual_idmapset.id; - map.xid.type = state->request.data.dual_idmapset.type; - - winbindd_set_mapping_async(state->mem_ctx, &map, - set_mapping_recv, state); -} - -static void set_hwm_recv(void *private_data, BOOL success) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - - if (!success) { - DEBUG(5, ("Could not set sid mapping\n")); - request_error(state); - return; - } - - request_ok(state); -} - -void winbindd_set_hwm(struct winbindd_cli_state *state) -{ - struct unixid xid; - - DEBUG(3, ("[%5lu]: set hwm\n", (unsigned long)state->pid)); - - if ( ! state->privileged) { - DEBUG(0, ("Only root is allowed to set mappings!\n")); - request_error(state); - return; - } - - xid.id = state->request.data.dual_idmapset.id; - xid.type = state->request.data.dual_idmapset.type; - - winbindd_set_hwm_async(state->mem_ctx, &xid, set_hwm_recv, state); -} - -/* Convert a uid to a sid */ - -static void uid2sid_recv(void *private_data, BOOL success, const char *sid) -{ - struct winbindd_cli_state *state = - (struct winbindd_cli_state *)private_data; - - if (success) { - DEBUG(10,("uid2sid: uid %lu has sid %s\n", - (unsigned long)(state->request.data.uid), sid)); - fstrcpy(state->response.data.sid.sid, sid); - state->response.data.sid.type = SID_NAME_USER; - request_ok(state); - return; - } - - request_error(state); - return; -} - -void winbindd_uid_to_sid(struct winbindd_cli_state *state) -{ - DEBUG(3, ("[%5lu]: uid to sid %lu\n", (unsigned long)state->pid, - (unsigned long)state->request.data.uid)); - - /* always go via the async interface (may block) */ - winbindd_uid2sid_async(state->mem_ctx, state->request.data.uid, uid2sid_recv, state); -} - -/* Convert a gid to a sid */ - -static void gid2sid_recv(void *private_data, BOOL success, const char *sid) -{ - struct winbindd_cli_state *state = - (struct winbindd_cli_state *)private_data; - - if (success) { - DEBUG(10,("gid2sid: gid %lu has sid %s\n", - (unsigned long)(state->request.data.gid), sid)); - fstrcpy(state->response.data.sid.sid, sid); - state->response.data.sid.type = SID_NAME_DOM_GRP; - request_ok(state); - return; - } - - request_error(state); - return; -} - - -void winbindd_gid_to_sid(struct winbindd_cli_state *state) -{ - DEBUG(3, ("[%5lu]: gid to sid %lu\n", (unsigned long)state->pid, - (unsigned long)state->request.data.gid)); - - /* always use async calls (may block) */ - winbindd_gid2sid_async(state->mem_ctx, state->request.data.gid, gid2sid_recv, state); -} - -void winbindd_allocate_uid(struct winbindd_cli_state *state) -{ - if ( !state->privileged ) { - DEBUG(2, ("winbindd_allocate_uid: non-privileged access " - "denied!\n")); - request_error(state); - return; - } - - sendto_child(state, idmap_child()); -} - -enum winbindd_result winbindd_dual_allocate_uid(struct winbindd_domain *domain, - struct winbindd_cli_state *state) -{ - struct unixid xid; - - if (!NT_STATUS_IS_OK(idmap_allocate_uid(&xid))) { - return WINBINDD_ERROR; - } - state->response.data.uid = xid.id; - return WINBINDD_OK; -} - -void winbindd_allocate_gid(struct winbindd_cli_state *state) -{ - if ( !state->privileged ) { - DEBUG(2, ("winbindd_allocate_gid: non-privileged access " - "denied!\n")); - request_error(state); - return; - } - - sendto_child(state, idmap_child()); -} - -enum winbindd_result winbindd_dual_allocate_gid(struct winbindd_domain *domain, - struct winbindd_cli_state *state) -{ - struct unixid xid; - - if (!NT_STATUS_IS_OK(idmap_allocate_gid(&xid))) { - return WINBINDD_ERROR; - } - state->response.data.gid = xid.id; - return WINBINDD_OK; -} - -static void dump_maps_recv(void *private_data, BOOL success) -{ - struct winbindd_cli_state *state = - talloc_get_type_abort(private_data, struct winbindd_cli_state); - - if (!success) { - DEBUG(5, ("Could not dump maps\n")); - request_error(state); - return; - } - - request_ok(state); -} - -void winbindd_dump_maps(struct winbindd_cli_state *state) -{ - if ( ! state->privileged) { - DEBUG(0, ("Only root is allowed to ask for an idmap dump!\n")); - request_error(state); - return; - } - - DEBUG(3, ("[%5lu]: dump maps\n", (unsigned long)state->pid)); - - winbindd_dump_maps_async(state->mem_ctx, - state->request.extra_data.data, - state->request.extra_len, - dump_maps_recv, state); -} - |