diff options
Diffstat (limited to 'source3/nsswitch/winbindd_sid.c')
| -rw-r--r-- | source3/nsswitch/winbindd_sid.c | 409 |
1 files changed, 134 insertions, 275 deletions
diff --git a/source3/nsswitch/winbindd_sid.c b/source3/nsswitch/winbindd_sid.c index b572771a25..13b2cd0555 100644 --- a/source3/nsswitch/winbindd_sid.c +++ b/source3/nsswitch/winbindd_sid.c @@ -167,12 +167,25 @@ struct winbindd_child *idmap_child(void) /* 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); +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); +} void winbindd_sid_to_uid(struct winbindd_cli_state *state) { DOM_SID sid; - NTSTATUS result; /* Ensure null termination */ state->request.data.sid[sizeof(state->request.data.sid)-1]='\0'; @@ -180,12 +193,6 @@ void winbindd_sid_to_uid(struct winbindd_cli_state *state) DEBUG(3, ("[%5lu]: sid to uid %s\n", (unsigned long)state->pid, state->request.data.sid)); - if (idmap_proxyonly()) { - DEBUG(8, ("IDMAP proxy only\n")); - request_error(state); - return; - } - if (!string_to_sid(&sid, state->request.data.sid)) { DEBUG(1, ("Could not get convert sid %s from string\n", state->request.data.sid)); @@ -193,20 +200,14 @@ void winbindd_sid_to_uid(struct winbindd_cli_state *state) return; } - /* Query only the local tdb, everything else might possibly block */ - - result = idmap_sid_to_uid(&sid, &state->response.data.uid, - IDMAP_FLAG_QUERY_ONLY|IDMAP_FLAG_CACHE_ONLY); - - if (NT_STATUS_IS_OK(result)) { - request_ok(state); - return; - } - + /* always use the async interface (may block) */ winbindd_sid2uid_async(state->mem_ctx, &sid, sid2uid_recv, state); } -static void sid2uid_recv(void *private_data, BOOL success, uid_t uid) +/* 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); @@ -218,19 +219,13 @@ static void sid2uid_recv(void *private_data, BOOL success, uid_t uid) return; } - state->response.data.uid = uid; + state->response.data.gid = gid; request_ok(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); - void winbindd_sid_to_gid(struct winbindd_cli_state *state) { DOM_SID sid; - NTSTATUS result; /* Ensure null termination */ state->request.data.sid[sizeof(state->request.data.sid)-1]='\0'; @@ -238,12 +233,6 @@ void winbindd_sid_to_gid(struct winbindd_cli_state *state) DEBUG(3, ("[%5lu]: sid to gid %s\n", (unsigned long)state->pid, state->request.data.sid)); - if (idmap_proxyonly()) { - DEBUG(8, ("IDMAP proxy only\n")); - request_error(state); - return; - } - if (!string_to_sid(&sid, state->request.data.sid)) { DEBUG(1, ("Could not get convert sid %s from string\n", state->request.data.sid)); @@ -251,231 +240,145 @@ void winbindd_sid_to_gid(struct winbindd_cli_state *state) return; } - /* Query only the local tdb, everything else might possibly block */ - - result = idmap_sid_to_gid(&sid, &state->response.data.gid, - IDMAP_FLAG_QUERY_ONLY|IDMAP_FLAG_CACHE_ONLY); - - if (NT_STATUS_IS_OK(result)) { - request_ok(state); - return; - } - + /* always use the async interface (may block) */ winbindd_sid2gid_async(state->mem_ctx, &sid, sid2gid_recv, state); } -static void sid2gid_recv(void *private_data, BOOL success, gid_t gid) +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 sid %s\n", - state->request.data.sid)); + DEBUG(5, ("Could not convert sids to xids\n")); request_error(state); return; } - state->response.data.gid = gid; + state->response.extra_data.data = data; + state->response.length = sizeof(state->response) + len; request_ok(state); } -/* Convert a uid to a sid */ - -struct uid2sid_state { - struct winbindd_cli_state *cli_state; - uid_t uid; - fstring name; - DOM_SID sid; - enum lsa_SidType type; -}; - -static void uid2sid_uid2name_recv(void *private_data, BOOL success, - const char *username); -static void uid2sid_lookupname_recv(void *private_data, BOOL success, - const DOM_SID *sid, - enum lsa_SidType type); -static void uid2sid_idmap_set_mapping_recv(void *private_data, BOOL success); - -static void uid2sid_recv(void *private_data, BOOL success, const char *sid); - -void winbindd_uid_to_sid(struct winbindd_cli_state *state) +void winbindd_sids_to_unixids(struct winbindd_cli_state *state) { - DOM_SID sid; - NTSTATUS status; - - DEBUG(3, ("[%5lu]: uid to sid %lu\n", (unsigned long)state->pid, - (unsigned long)state->request.data.uid)); + DEBUG(3, ("[%5lu]: sids to xids\n", (unsigned long)state->pid)); - if (idmap_proxyonly()) { - DEBUG(8, ("IDMAP proxy only\n")); - request_error(state); - return; - } - - status = idmap_uid_to_sid(&sid, state->request.data.uid, - IDMAP_FLAG_QUERY_ONLY|IDMAP_FLAG_CACHE_ONLY); - - if (NT_STATUS_IS_OK(status)) { - sid_to_string(state->response.data.sid.sid, &sid); - state->response.data.sid.type = SID_NAME_USER; - request_ok(state); - return; - } - - winbindd_uid2sid_async(state->mem_ctx, state->request.data.uid, uid2sid_recv, state); + winbindd_sids2xids_async(state->mem_ctx, + state->request.extra_data.data, + state->request.extra_len, + sids2xids_recv, state); } -static void uid2sid_recv(void *private_data, BOOL success, const char *sid) +static void set_mapping_recv(void *private_data, BOOL success) { struct winbindd_cli_state *state = - (struct winbindd_cli_state *)private_data; - struct uid2sid_state *uid2sid_state; + talloc_get_type_abort(private_data, struct winbindd_cli_state); - 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); + if (!success) { + DEBUG(5, ("Could not set sid mapping\n")); + request_error(state); return; } - /* preexisitng mapping not found go on */ + request_ok(state); +} - if (is_in_uid_range(state->request.data.uid)) { - /* This is winbind's, so we should better have succeeded - * above. */ - request_error(state); - return; - } +void winbindd_set_mapping(struct winbindd_cli_state *state) +{ + struct id_map map; + DOM_SID sid; - /* The only chance that this is correct is that winbind trusted - * domains only = yes, and the user exists in nss and the domain. */ + DEBUG(3, ("[%5lu]: set id map\n", (unsigned long)state->pid)); - if (!lp_winbind_trusted_domains_only()) { + if ( ! state->privileged) { + DEBUG(0, ("Only root is allowed to set mappings!\n")); request_error(state); return; } - uid2sid_state = TALLOC_ZERO_P(state->mem_ctx, struct uid2sid_state); - if (uid2sid_state == NULL) { - DEBUG(0, ("talloc failed\n")); + 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; } - uid2sid_state->cli_state = state; - uid2sid_state->uid = state->request.data.uid; + map.sid = &sid; + map.xid.id = state->request.data.dual_idmapset.id; + map.xid.type = state->request.data.dual_idmapset.type; - winbindd_uid2name_async(state->mem_ctx, state->request.data.uid, - uid2sid_uid2name_recv, uid2sid_state); + winbindd_set_mapping_async(state->mem_ctx, &map, + set_mapping_recv, state); } -static void uid2sid_uid2name_recv(void *private_data, BOOL success, - const char *username) +static void set_hwm_recv(void *private_data, BOOL success) { - struct uid2sid_state *state = - talloc_get_type_abort(private_data, struct uid2sid_state); - - DEBUG(10, ("uid2sid: uid %lu has name %s\n", - (unsigned long)state->uid, username)); - - fstrcpy(state->name, username); + struct winbindd_cli_state *state = + talloc_get_type_abort(private_data, struct winbindd_cli_state); if (!success) { - request_error(state->cli_state); + DEBUG(5, ("Could not set sid mapping\n")); + request_error(state); return; } - winbindd_lookupname_async(state->cli_state->mem_ctx, - find_our_domain()->name, username, - uid2sid_lookupname_recv, state); + request_ok(state); } -static void uid2sid_lookupname_recv(void *private_data, BOOL success, - const DOM_SID *sid, enum lsa_SidType type) +void winbindd_set_hwm(struct winbindd_cli_state *state) { - struct uid2sid_state *state = - talloc_get_type_abort(private_data, struct uid2sid_state); - unid_t id; + struct unixid xid; + + DEBUG(3, ("[%5lu]: set hwm\n", (unsigned long)state->pid)); - if ((!success) || (type != SID_NAME_USER)) { - request_error(state->cli_state); + if ( ! state->privileged) { + DEBUG(0, ("Only root is allowed to set mappings!\n")); + request_error(state); return; } - state->sid = *sid; - state->type = type; + xid.id = state->request.data.dual_idmapset.id; + xid.type = state->request.data.dual_idmapset.type; - id.uid = state->uid; - idmap_set_mapping_async(state->cli_state->mem_ctx, sid, id, ID_USERID, - uid2sid_idmap_set_mapping_recv, state ); + winbindd_set_hwm_async(state->mem_ctx, &xid, set_hwm_recv, state); } -static void uid2sid_idmap_set_mapping_recv(void *private_data, BOOL success) -{ - struct uid2sid_state *state = - talloc_get_type_abort(private_data, struct uid2sid_state); - - /* don't fail if we can't store it */ - - sid_to_string(state->cli_state->response.data.sid.sid, &state->sid); - state->cli_state->response.data.sid.type = state->type; - request_ok(state->cli_state); -} - -/* Convert a gid to a sid */ - -struct gid2sid_state { - struct winbindd_cli_state *cli_state; - gid_t gid; - fstring name; - DOM_SID sid; - enum lsa_SidType type; -}; - -static void gid2sid_gid2name_recv(void *private_data, BOOL success, - const char *groupname); -static void gid2sid_lookupname_recv(void *private_data, BOOL success, - const DOM_SID *sid, - enum lsa_SidType type); -static void gid2sid_idmap_set_mapping_recv(void *private_data, BOOL success); - -static void gid2sid_recv(void *private_data, BOOL success, const char *sid); +/* Convert a uid to a sid */ -void winbindd_gid_to_sid(struct winbindd_cli_state *state) +static void uid2sid_recv(void *private_data, BOOL success, const char *sid) { - DOM_SID sid; - NTSTATUS status; - - DEBUG(3, ("[%5lu]: gid to sid %lu\n", (unsigned long)state->pid, - (unsigned long)state->request.data.gid)); + struct winbindd_cli_state *state = + (struct winbindd_cli_state *)private_data; - if (idmap_proxyonly()) { - DEBUG(8, ("IDMAP proxy only\n")); - request_error(state); + 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; } - status = idmap_gid_to_sid(&sid, state->request.data.gid, - IDMAP_FLAG_QUERY_ONLY|IDMAP_FLAG_CACHE_ONLY); + request_error(state); + return; +} - if (NT_STATUS_IS_OK(status)) { - sid_to_string(state->response.data.sid.sid, &sid); - state->response.data.sid.type = SID_NAME_DOM_GRP; - request_ok(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)); - winbindd_gid2sid_async(state->mem_ctx, state->request.data.gid, gid2sid_recv, state); + /* 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; - struct gid2sid_state *gid2sid_state; if (success) { DEBUG(10,("gid2sid: gid %lu has sid %s\n", @@ -486,92 +389,18 @@ static void gid2sid_recv(void *private_data, BOOL success, const char *sid) return; } - /* preexisitng mapping not found go on */ - - if (is_in_gid_range(state->request.data.gid)) { - /* This is winbind's, so we should better have succeeded - * above. */ - request_error(state); - return; - } - - /* The only chance that this is correct is that winbind trusted - * domains only = yes, and the user exists in nss and the domain. */ - - if (!lp_winbind_trusted_domains_only()) { - request_error(state); - return; - } - - /* The only chance that this is correct is that winbind trusted - * domains only = yes, and the user exists in nss and the domain. */ - - gid2sid_state = TALLOC_ZERO_P(state->mem_ctx, struct gid2sid_state); - if (gid2sid_state == NULL) { - DEBUG(0, ("talloc failed\n")); - request_error(state); - return; - } - - gid2sid_state->cli_state = state; - gid2sid_state->gid = state->request.data.gid; - - winbindd_gid2name_async(state->mem_ctx, state->request.data.gid, - gid2sid_gid2name_recv, gid2sid_state); -} - -static void gid2sid_gid2name_recv(void *private_data, BOOL success, - const char *username) -{ - struct gid2sid_state *state = - talloc_get_type_abort(private_data, struct gid2sid_state); - - DEBUG(10, ("gid2sid: gid %lu has name %s\n", - (unsigned long)state->gid, username)); - - fstrcpy(state->name, username); - - if (!success) { - request_error(state->cli_state); - return; - } - - winbindd_lookupname_async(state->cli_state->mem_ctx, - find_our_domain()->name, username, - gid2sid_lookupname_recv, state); + request_error(state); + return; } -static void gid2sid_lookupname_recv(void *private_data, BOOL success, - const DOM_SID *sid, enum lsa_SidType type) -{ - struct gid2sid_state *state = - talloc_get_type_abort(private_data, struct gid2sid_state); - unid_t id; - - if ((!success) || - ((type != SID_NAME_DOM_GRP) && (type!=SID_NAME_ALIAS))) { - request_error(state->cli_state); - return; - } - - state->sid = *sid; - state->type = type; - id.gid = state->gid; - idmap_set_mapping_async(state->cli_state->mem_ctx, sid, id, ID_GROUPID, - gid2sid_idmap_set_mapping_recv, state ); -} - -static void gid2sid_idmap_set_mapping_recv(void *private_data, BOOL success) +void winbindd_gid_to_sid(struct winbindd_cli_state *state) { - struct gid2sid_state *state = - (struct gid2sid_state *)private_data; - - /* don't fail if we can't store it */ + DEBUG(3, ("[%5lu]: gid to sid %lu\n", (unsigned long)state->pid, + (unsigned long)state->request.data.gid)); - sid_to_string(state->cli_state->response.data.sid.sid, &state->sid); - state->cli_state->response.data.sid.type = state->type; - request_ok(state->cli_state); + /* 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) @@ -589,12 +418,12 @@ void winbindd_allocate_uid(struct winbindd_cli_state *state) enum winbindd_result winbindd_dual_allocate_uid(struct winbindd_domain *domain, struct winbindd_cli_state *state) { - union unid_t id; + struct unixid xid; - if (!NT_STATUS_IS_OK(idmap_allocate_id(&id, ID_USERID))) { + if (!NT_STATUS_IS_OK(idmap_allocate_uid(&xid))) { return WINBINDD_ERROR; } - state->response.data.uid = id.uid; + state->response.data.uid = xid.id; return WINBINDD_OK; } @@ -613,12 +442,42 @@ void winbindd_allocate_gid(struct winbindd_cli_state *state) enum winbindd_result winbindd_dual_allocate_gid(struct winbindd_domain *domain, struct winbindd_cli_state *state) { - union unid_t id; + struct unixid xid; - if (!NT_STATUS_IS_OK(idmap_allocate_id(&id, ID_GROUPID))) { + if (!NT_STATUS_IS_OK(idmap_allocate_gid(&xid))) { return WINBINDD_ERROR; } - state->response.data.gid = id.gid; + 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); +} + |