* based on the idmap_rid module, but this module defines the ranges
* for the domains by automatically allocating a range for each domain
*
- * Copyright (C) Christian Ambach, 2010-2011
+ * Copyright (C) Christian Ambach, 2010-2012
*
* 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
*/
#include "includes.h"
+#include "system/filesys.h"
#include "winbindd.h"
-#include "dbwrap.h"
+#include "dbwrap/dbwrap.h"
+#include "dbwrap/dbwrap_open.h"
#include "idmap.h"
+#include "idmap_rw.h"
#include "../libcli/security/dom_sid.h"
+#include "util_tdb.h"
+#include "winbindd/idmap_tdb_common.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_IDMAP
#define HWM "NEXT RANGE"
+#define ALLOC_HWM_UID "NEXT ALLOC UID"
+#define ALLOC_HWM_GID "NEXT ALLOC GID"
+#define ALLOC_RANGE "ALLOC"
#define CONFIGKEY "CONFIG"
struct autorid_global_config {
uint32_t minvalue;
uint32_t rangesize;
uint32_t maxranges;
+ bool ignore_builtin;
};
struct autorid_domain_config {
- struct dom_sid sid;
+ fstring sid;
uint32_t domainnum;
struct autorid_global_config *globalcfg;
};
/* handle to the tdb storing domain <-> range assignments */
static struct db_context *autorid_db;
-static NTSTATUS idmap_autorid_get_domainrange(struct db_context *db,
+static NTSTATUS idmap_autorid_get_domainrange_action(struct db_context *db,
void *private_data)
{
NTSTATUS ret;
uint32_t domainnum, hwm;
- char *sidstr, *numstr;
+ char *numstr;
struct autorid_domain_config *cfg;
cfg = (struct autorid_domain_config *)private_data;
- sidstr = dom_sid_string(talloc_tos(), &(cfg->sid));
- if (!sidstr) {
- return NT_STATUS_NO_MEMORY;
+ ret = dbwrap_fetch_uint32_bystring(db, cfg->sid, &(cfg->domainnum));
+
+ if (NT_STATUS_IS_OK(ret)) {
+ /* entry is already present*/
+ return ret;
}
- if (!dbwrap_fetch_uint32(db, sidstr, &domainnum)) {
- DEBUG(10, ("Acquiring new range for domain %s\n", sidstr));
+ DEBUG(10, ("Acquiring new range for domain %s\n", cfg->sid));
- /* fetch the current HWM */
- if (!dbwrap_fetch_uint32(db, HWM, &hwm)) {
- DEBUG(1, ("Fatal error while fetching current "
- "HWM value!\n"));
- ret = NT_STATUS_INTERNAL_ERROR;
- goto error;
- }
+ /* fetch the current HWM */
+ ret = dbwrap_fetch_uint32_bystring(db, HWM, &hwm);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(1, ("Fatal error while fetching current "
+ "HWM value: %s\n", nt_errstr(ret)));
+ ret = NT_STATUS_INTERNAL_ERROR;
+ goto error;
+ }
- /* do we have a range left? */
- if (hwm >= cfg->globalcfg->maxranges) {
- DEBUG(1, ("No more domain ranges available!\n"));
- ret = NT_STATUS_NO_MEMORY;
- goto error;
- }
+ /* do we have a range left? */
+ if (hwm >= cfg->globalcfg->maxranges) {
+ DEBUG(1, ("No more domain ranges available!\n"));
+ ret = NT_STATUS_NO_MEMORY;
+ goto error;
+ }
- /* increase the HWM */
- ret = dbwrap_change_uint32_atomic(db, HWM, &domainnum, 1);
- if (!NT_STATUS_IS_OK(ret)) {
- DEBUG(1, ("Fatal error while fetching a new "
- "domain range value!\n"));
- goto error;
- }
+ /* increase the HWM */
+ ret = dbwrap_change_uint32_atomic_bystring(db, HWM, &domainnum, 1);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(1, ("Fatal error while fetching a new "
+ "domain range value!\n"));
+ goto error;
+ }
- /* store away the new mapping in both directions */
- ret = dbwrap_trans_store_uint32(db, sidstr, domainnum);
- if (!NT_STATUS_IS_OK(ret)) {
- DEBUG(1, ("Fatal error while storing new "
- "domain->range assignment!\n"));
- goto error;
- }
+ /* store away the new mapping in both directions */
+ ret = dbwrap_store_uint32_bystring(db, cfg->sid, domainnum);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(1, ("Fatal error while storing new "
+ "domain->range assignment!\n"));
+ goto error;
+ }
- numstr = talloc_asprintf(db, "%u", domainnum);
- if (!numstr) {
- ret = NT_STATUS_NO_MEMORY;
- goto error;
- }
+ numstr = talloc_asprintf(db, "%u", domainnum);
+ if (!numstr) {
+ ret = NT_STATUS_NO_MEMORY;
+ goto error;
+ }
- ret = dbwrap_trans_store_bystring(db, numstr,
- string_term_tdb_data(sidstr),
- TDB_INSERT);
- if (!NT_STATUS_IS_OK(ret)) {
- talloc_free(numstr);
- DEBUG(1, ("Fatal error while storing "
- "new domain->range assignment!\n"));
- goto error;
- }
- talloc_free(numstr);
- DEBUG(5, ("Acquired new range #%d for domain %s\n",
- domainnum, sidstr));
+ ret = dbwrap_store_bystring(db, numstr,
+ string_term_tdb_data(cfg->sid), TDB_INSERT);
+
+ talloc_free(numstr);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(1, ("Fatal error while storing "
+ "new domain->range assignment!\n"));
+ goto error;
}
+ DEBUG(5, ("Acquired new range #%d for domain %s\n",
+ domainnum, cfg->sid));
- DEBUG(10, ("Using range #%d for domain %s\n", domainnum, sidstr));
cfg->domainnum = domainnum;
- talloc_free(sidstr);
return NT_STATUS_OK;
- error:
- talloc_free(sidstr);
+error:
return ret;
}
-static NTSTATUS idmap_autorid_id_to_sid(TALLOC_CTX * memctx,
- struct autorid_global_config *cfg,
+static NTSTATUS idmap_autorid_get_domainrange(struct autorid_domain_config *dom,
+ bool read_only)
+{
+ NTSTATUS ret;
+
+ /*
+ * try to find mapping without locking the database,
+ * if it is not found create a mapping in a transaction unless
+ * read-only mode has been set
+ */
+ ret = dbwrap_fetch_uint32_bystring(autorid_db, dom->sid,
+ &(dom->domainnum));
+
+ if (!NT_STATUS_IS_OK(ret)) {
+ if (read_only) {
+ return NT_STATUS_NOT_FOUND;
+ }
+ ret = dbwrap_trans_do(autorid_db,
+ idmap_autorid_get_domainrange_action, dom);
+ }
+
+ DEBUG(10, ("Using range #%d for domain %s\n", dom->domainnum,
+ dom->sid));
+
+ return ret;
+}
+
+static NTSTATUS idmap_autorid_allocate_id(struct idmap_domain *dom,
+ struct unixid *xid) {
+
+ NTSTATUS ret;
+ struct idmap_tdb_common_context *commoncfg;
+ struct autorid_global_config *globalcfg;
+ struct autorid_domain_config domaincfg;
+
+ commoncfg =
+ talloc_get_type_abort(dom->private_data,
+ struct idmap_tdb_common_context);
+
+ globalcfg = talloc_get_type(commoncfg->private_data,
+ struct autorid_global_config);
+
+ if (dom->read_only) {
+ DEBUG(3, ("Backend is read-only, refusing "
+ "new allocation request\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ /* fetch the range for the allocation pool */
+
+ ZERO_STRUCT(domaincfg);
+
+ domaincfg.globalcfg = globalcfg;
+ fstrcpy(domaincfg.sid, ALLOC_RANGE);
+
+ ret = idmap_autorid_get_domainrange(&domaincfg, dom->read_only);
+
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(3, ("Could not determine range for allocation pool, "
+ "check previous messages for reason\n"));
+ return ret;
+ }
+
+ ret = idmap_tdb_common_get_new_id(dom, xid);
+
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(1, ("Fatal error while allocating new ID!\n"));
+ return ret;
+ }
+
+ xid->id = globalcfg->minvalue +
+ globalcfg->rangesize * domaincfg.domainnum +
+ xid->id;
+
+ DEBUG(10, ("Returned new %s %d from allocation range\n",
+ (xid->type==ID_TYPE_UID)?"uid":"gid", xid->id));
+
+ return ret;
+}
+
+/*
+ * map a SID to xid using the idmap_tdb like pool
+ */
+static NTSTATUS idmap_autorid_map_id_to_sid(struct idmap_domain *dom,
+ struct id_map *map)
+{
+ NTSTATUS ret;
+
+ /* look out for the mapping */
+ ret = idmap_tdb_common_unixid_to_sid(dom, map);
+
+ if (NT_STATUS_IS_OK(ret)) {
+ map->status = ID_MAPPED;
+ return ret;
+ }
+
+ map->status = ID_UNKNOWN;
+
+ DEBUG(10, ("no ID->SID mapping for %d could be found\n", map->xid.id));
+
+ return ret;
+}
+
+static NTSTATUS idmap_autorid_id_to_sid(struct autorid_global_config *cfg,
+ struct idmap_domain *dom,
struct id_map *map)
{
uint32_t range;
TDB_DATA data;
char *keystr;
struct dom_sid sid;
+ NTSTATUS status;
/* can this be one of our ids? */
if (map->xid.id < cfg->minvalue) {
/* determine the range of this uid */
range = ((map->xid.id - cfg->minvalue) / cfg->rangesize);
- keystr = talloc_asprintf(memctx, "%u", range);
+ keystr = talloc_asprintf(talloc_tos(), "%u", range);
if (!keystr) {
return NT_STATUS_NO_MEMORY;
}
- data = dbwrap_fetch_bystring(autorid_db, memctx, keystr);
+ status = dbwrap_fetch_bystring(autorid_db, talloc_tos(), keystr, &data);
+ TALLOC_FREE(keystr);
- if (!data.dptr) {
+ if (!NT_STATUS_IS_OK(status)) {
DEBUG(4, ("id %d belongs to range %d which does not have "
"domain mapping, ignoring mapping request\n",
map->xid.id, range));
- } else {
- string_to_sid(&sid, (const char *)data.dptr);
+ TALLOC_FREE(data.dptr);
+ map->status = ID_UNKNOWN;
+ return NT_STATUS_OK;
+ }
- sid_compose(map->sid, &sid,
- (map->xid.id - cfg->minvalue -
- range * cfg->rangesize));
+ if (strncmp((const char *)data.dptr,
+ ALLOC_RANGE,
+ strlen(ALLOC_RANGE)) == 0) {
+ /*
+ * this is from the alloc range, check if there is a mapping
+ */
+ DEBUG(5, ("id %d belongs to allocation range, "
+ "checking for mapping\n",
+ map->xid.id));
+ TALLOC_FREE(data.dptr);
+ return idmap_autorid_map_id_to_sid(dom, map);
+ }
- /* We **really** should have some way of validating
- the SID exists and is the correct type here. But
- that is a deficiency in the idmap_rid design. */
+ string_to_sid(&sid, (const char *)data.dptr);
+ TALLOC_FREE(data.dptr);
+
+ sid_compose(map->sid, &sid,
+ (map->xid.id - cfg->minvalue -
+ range * cfg->rangesize));
+
+ /* We **really** should have some way of validating
+ the SID exists and is the correct type here. But
+ that is a deficiency in the idmap_rid design. */
+
+ map->status = ID_MAPPED;
+ map->xid.type = ID_TYPE_BOTH;
- map->status = ID_MAPPED;
- }
return NT_STATUS_OK;
}
Single sid to id lookup function.
**********************************/
-static NTSTATUS idmap_autorid_sid_to_id(TALLOC_CTX * memctx,
- struct autorid_global_config *global,
+static NTSTATUS idmap_autorid_sid_to_id(struct autorid_global_config *global,
struct autorid_domain_config *domain,
struct id_map *map)
{
}
map->xid.id = global->minvalue +
(global->rangesize * domain->domainnum)+rid;
+ map->xid.type = ID_TYPE_BOTH;
/* We **really** should have some way of validating
the SID exists and is the correct type here. But
static NTSTATUS idmap_autorid_unixids_to_sids(struct idmap_domain *dom,
struct id_map **ids)
{
+ struct idmap_tdb_common_context *commoncfg;
struct autorid_global_config *globalcfg;
- TALLOC_CTX *ctx;
NTSTATUS ret;
int i;
+ int num_tomap = 0;
+ int num_mapped = 0;
/* initialize the status to avoid surprise */
for (i = 0; ids[i]; i++) {
ids[i]->status = ID_UNKNOWN;
+ num_tomap++;
}
- globalcfg = talloc_get_type(dom->private_data,
- struct autorid_global_config);
+ commoncfg =
+ talloc_get_type_abort(dom->private_data,
+ struct idmap_tdb_common_context);
- ctx = talloc_new(dom);
- if (!ctx) {
- DEBUG(0, ("Out of memory!\n"));
- return NT_STATUS_NO_MEMORY;
- }
+ globalcfg = talloc_get_type(commoncfg->private_data,
+ struct autorid_global_config);
for (i = 0; ids[i]; i++) {
- ret = idmap_autorid_id_to_sid(ctx, globalcfg, ids[i]);
+ ret = idmap_autorid_id_to_sid(globalcfg, dom, ids[i]);
if ((!NT_STATUS_IS_OK(ret)) &&
(!NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED))) {
" (%d)\n", ids[i]->xid.id));
goto failure;
}
+
+ if (NT_STATUS_IS_OK(ret) && ids[i]->status == ID_MAPPED) {
+ num_mapped++;
+ }
+
}
- talloc_free(ctx);
- return NT_STATUS_OK;
+ if (num_tomap == num_mapped) {
+ return NT_STATUS_OK;
+ } else if (num_mapped == 0) {
+ return NT_STATUS_NONE_MAPPED;
+ }
+
+ return STATUS_SOME_UNMAPPED;
+
failure:
- talloc_free(ctx);
return ret;
+}
+
+/*
+ * map a SID to xid using the idmap_tdb like pool
+ */
+static NTSTATUS idmap_autorid_map_sid_to_id(struct idmap_domain *dom,
+ struct id_map *map,
+ struct idmap_tdb_common_context *ctx)
+{
+ NTSTATUS ret;
+ int res;
+
+ /* see if we already have a mapping */
+ ret = idmap_tdb_common_sid_to_unixid(dom, map);
+
+ if (NT_STATUS_IS_OK(ret)) {
+ map->status = ID_MAPPED;
+ return ret;
+ }
+
+ /* bad things happened */
+ if (!NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
+ DEBUG(1, ("Looking up SID->ID mapping for %s failed\n",
+ sid_string_dbg(map->sid)));
+ return ret;
+ }
+
+ if (dom->read_only) {
+ DEBUG(3, ("Not allocating new mapping for %s, because backend "
+ "is read-only\n", sid_string_dbg(map->sid)));
+ return NT_STATUS_NONE_MAPPED;
+ }
+
+ DEBUG(10, ("Creating new mapping in pool for %s\n",
+ sid_string_dbg(map->sid)));
+
+ /* create new mapping */
+ res = dbwrap_transaction_start(ctx->db);
+ if (res != 0) {
+ DEBUG(2, ("transaction_start failed\n"));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ ret = idmap_tdb_common_new_mapping(dom, map);
+
+ map->status = (NT_STATUS_IS_OK(ret))?ID_MAPPED:ID_UNMAPPED;
+
+ if (!NT_STATUS_IS_OK(ret)) {
+ if (dbwrap_transaction_cancel(ctx->db) != 0) {
+ smb_panic("Cancelling transaction failed");
+ }
+ return ret;
+ }
+
+ res = dbwrap_transaction_commit(ctx->db);
+ if (res == 0) {
+ return ret;
+ }
+
+ DEBUG(2, ("transaction_commit failed\n"));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
static NTSTATUS idmap_autorid_sids_to_unixids(struct idmap_domain *dom,
struct id_map **ids)
{
+ struct idmap_tdb_common_context *commoncfg;
struct autorid_global_config *global;
- struct autorid_domain_config *domaincfg;
- struct dom_sid *domainsid;
- struct winbindd_tdc_domain *domain;
- uint32_t rid;
- TALLOC_CTX *ctx;
NTSTATUS ret;
int i;
-
- ctx = talloc_new(dom);
- domainsid = talloc(ctx, struct dom_sid);
- if (!ctx || !domainsid) {
- DEBUG(0, ("Out of memory!\n"));
- ret = NT_STATUS_NO_MEMORY;
- goto failure;
- }
-
- if ((domaincfg = TALLOC_ZERO_P(ctx,
- struct autorid_domain_config)) == NULL) {
- DEBUG(0, ("Out of memory!\n"));
- ret = NT_STATUS_NO_MEMORY;
- goto failure;
- }
+ int num_tomap = 0;
+ int num_mapped = 0;
/* initialize the status to avoid surprise */
for (i = 0; ids[i]; i++) {
ids[i]->status = ID_UNKNOWN;
+ num_tomap++;
}
- global = talloc_get_type(dom->private_data,
+ commoncfg =
+ talloc_get_type_abort(dom->private_data,
+ struct idmap_tdb_common_context);
+
+ global = talloc_get_type(commoncfg->private_data,
struct autorid_global_config);
for (i = 0; ids[i]; i++) {
- ZERO_STRUCTP(domainsid);
- sid_copy(domainsid, ids[i]->sid);
- if (!sid_split_rid(domainsid, &rid)) {
+ struct winbindd_tdc_domain *domain;
+ struct autorid_domain_config domaincfg;
+ uint32_t rid;
+ struct dom_sid domainsid;
+
+ ZERO_STRUCT(domaincfg);
+
+ DEBUG(10, ("Trying to map %s\n", sid_string_dbg(ids[i]->sid)));
+
+ sid_copy(&domainsid, ids[i]->sid);
+ if (!sid_split_rid(&domainsid, &rid)) {
DEBUG(4, ("Could not determine domain SID from %s, "
"ignoring mapping request\n",
sid_string_dbg(ids[i]->sid)));
continue;
}
- domain = wcache_tdc_fetch_domainbysid(ctx, domainsid);
+ /* is this a well-known SID? */
+
+ if (sid_check_is_wellknown_domain(&domainsid, NULL)) {
+
+ DEBUG(10, ("SID %s is well-known, using pool\n",
+ sid_string_dbg(ids[i]->sid)));
+
+ ret = idmap_autorid_map_sid_to_id(dom, ids[i],
+ commoncfg);
+
+ if (!NT_STATUS_IS_OK(ret) &&
+ !NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED)) {
+ DEBUG(3, ("Unexpected error resolving "
+ "SID (%s)\n",
+ sid_string_dbg(ids[i]->sid)));
+ goto failure;
+ }
+
+ if (ids[i]->status == ID_MAPPED) {
+ num_mapped++;
+ }
+
+ continue;
+ }
+
+ /* BUILTIN is passdb's job */
+ if (dom_sid_equal(&domainsid, &global_sid_Builtin) &&
+ global->ignore_builtin) {
+ DEBUG(10, ("Ignoring request for BUILTIN domain\n"));
+ continue;
+ }
+
+ /*
+ * Check if the domain is around
+ */
+ domain = wcache_tdc_fetch_domainbysid(talloc_tos(),
+ &domainsid);
if (domain == NULL) {
DEBUG(10, ("Ignoring unknown domain sid %s\n",
- sid_string_dbg(domainsid)));
+ sid_string_dbg(&domainsid)));
continue;
}
+ TALLOC_FREE(domain);
- ZERO_STRUCTP(domaincfg);
- domaincfg->sid = domain->sid;
- domaincfg->globalcfg = global;
+ domaincfg.globalcfg = global;
+ sid_to_fstring(domaincfg.sid, &domainsid);
- ret = dbwrap_trans_do(autorid_db, idmap_autorid_get_domainrange,
- domaincfg);
+ ret = idmap_autorid_get_domainrange(&domaincfg, dom->read_only);
+
+ /* read-only mode and a new domain range would be required? */
+ if (NT_STATUS_EQUAL(ret, NT_STATUS_NOT_FOUND) &&
+ dom->read_only) {
+ DEBUG(10, ("read-only is enabled, did not allocate "
+ "new range for domain %s\n",
+ sid_string_dbg(&domainsid)));
+ continue;
+ }
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(3, ("Could not determine range for domain, "
goto failure;
}
- ret = idmap_autorid_sid_to_id(ctx, global, domaincfg, ids[i]);
+ ret = idmap_autorid_sid_to_id(global, &domaincfg, ids[i]);
if ((!NT_STATUS_IS_OK(ret)) &&
(!NT_STATUS_EQUAL(ret, NT_STATUS_NONE_MAPPED))) {
sid_string_dbg(ids[i]->sid)));
goto failure;
}
+
+ if (NT_STATUS_IS_OK(ret)) {
+ num_mapped++;
+ }
}
- talloc_free(ctx);
- return NT_STATUS_OK;
+ if (num_tomap == num_mapped) {
+ return NT_STATUS_OK;
+ } else if (num_mapped == 0) {
+ return NT_STATUS_NONE_MAPPED;
+ }
+
+ return STATUS_SOME_UNMAPPED;
failure:
- talloc_free(ctx);
return ret;
}
+/* initialize the given HWM to 0 if it does not exist yet */
+static NTSTATUS idmap_autorid_init_hwm(const char *hwm) {
+
+ NTSTATUS status;
+ uint32_t hwmval;
+
+ status = dbwrap_fetch_uint32_bystring(autorid_db, hwm, &hwmval);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
+ status = dbwrap_trans_store_int32_bystring(autorid_db, hwm, 0);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,
+ ("Unable to initialise HWM (%s) in autorid "
+ "database: %s\n", hwm, nt_errstr(status)));
+ return NT_STATUS_INTERNAL_DB_ERROR;
+ }
+ } else if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("unable to fetch HWM (%s) from autorid "
+ "database: %s\n", hwm, nt_errstr(status)));
+ return status;
+ }
+
+ return NT_STATUS_OK;
+}
+
/*
* open and initialize the database which stores the ranges for the domains
*/
static NTSTATUS idmap_autorid_db_init(void)
{
- int32_t hwm;
+ NTSTATUS status;
if (autorid_db) {
/* its already open */
/* Open idmap repository */
autorid_db = db_open(NULL, state_path("autorid.tdb"), 0,
- TDB_DEFAULT, O_RDWR | O_CREAT, 0644);
+ TDB_DEFAULT, O_RDWR | O_CREAT, 0644,
+ DBWRAP_LOCK_ORDER_1);
if (!autorid_db) {
DEBUG(0, ("Unable to open idmap_autorid database '%s'\n",
}
/* Initialize high water mark for the currently used range to 0 */
- hwm = dbwrap_fetch_int32(autorid_db, HWM);
- if ((hwm < 0)) {
- if (!NT_STATUS_IS_OK
- (dbwrap_trans_store_int32(autorid_db, HWM, 0))) {
- DEBUG(0,
- ("Unable to initialise HWM in autorid "
- "database\n"));
- return NT_STATUS_INTERNAL_DB_ERROR;
- }
- }
- return NT_STATUS_OK;
+ status = idmap_autorid_init_hwm(HWM);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ status = idmap_autorid_init_hwm(ALLOC_HWM_UID);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ status = idmap_autorid_init_hwm(ALLOC_HWM_GID);
+
+ return status;
}
static struct autorid_global_config *idmap_autorid_loadconfig(TALLOC_CTX * ctx)
TDB_DATA data;
struct autorid_global_config *cfg;
+ unsigned long minvalue, rangesize, maxranges;
+ NTSTATUS status;
- data = dbwrap_fetch_bystring(autorid_db, ctx, CONFIGKEY);
+ status = dbwrap_fetch_bystring(autorid_db, ctx, CONFIGKEY, &data);
- if (!data.dptr) {
+ if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("No saved config found\n"));
return NULL;
}
- cfg = TALLOC_ZERO_P(ctx, struct autorid_global_config);
+ cfg = talloc_zero(ctx, struct autorid_global_config);
if (!cfg) {
return NULL;
}
- if (sscanf
- ((char *)data.dptr, "minvalue:%lu rangesize:%lu maxranges:%lu",
- (unsigned long *)&cfg->minvalue, (unsigned long *)&cfg->rangesize,
- (unsigned long *)&cfg->maxranges) != 3) {
+ if (sscanf((char *)data.dptr,
+ "minvalue:%lu rangesize:%lu maxranges:%lu",
+ &minvalue, &rangesize, &maxranges) != 3) {
DEBUG(1,
("Found invalid configuration data"
"creating new config\n"));
return NULL;
}
+ cfg->minvalue = minvalue;
+ cfg->rangesize = rangesize;
+ cfg->maxranges = maxranges;
+
DEBUG(10, ("Loaded previously stored configuration "
"minvalue:%d rangesize:%d\n",
cfg->minvalue, cfg->rangesize));
return status;
}
-static NTSTATUS idmap_autorid_initialize(struct idmap_domain *dom,
- const char *params)
+static NTSTATUS idmap_autorid_preallocate_wellknown(struct idmap_domain *dom)
{
+ const char *groups[] = { "S-1-1-0", "S-1-2-0", "S-1-2-1",
+ "S-1-3-0", "S-1-3-1", "S-1-3-2", "S-1-3-3", "S-1-3-4",
+ "S-1-5-1", "S-1-5-2", "S-1-5-3", "S-1-5-4", "S-1-5-6",
+ "S-1-5-7", "S-1-5-8", "S-1-5-9", "S-1-5-10", "S-1-5-11",
+ "S-1-5-12", "S-1-5-13", "S-1-5-14", "S-1-5-15",
+ "S-1-5-17", "S-1-5-18", "S-1-5-19", "S-1-5-20"
+ };
+
+ struct id_map **maps;
+ int i, num;
+ NTSTATUS status;
+
+ if (dom->read_only) {
+ return NT_STATUS_OK;
+ }
+
+ num = sizeof(groups)/sizeof(char*);
+
+ maps = talloc_zero_array(talloc_tos(), struct id_map*, num+1);
+ if (!maps) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ for (i = 0; i < num; i++) {
+ maps[i] = talloc(maps, struct id_map);
+ maps[i]->xid.type = ID_TYPE_GID;
+ maps[i]->sid = dom_sid_parse_talloc(maps, groups[i]);
+ }
+
+ maps[num] = NULL;
+
+ status = idmap_autorid_sids_to_unixids(dom, maps);
+
+ DEBUG(10,("Preallocation run finished with status %s\n",
+ nt_errstr(status)));
+
+ talloc_free(maps);
+
+ return NT_STATUS_IS_OK(status)?NT_STATUS_OK:NT_STATUS_UNSUCCESSFUL;
+}
+
+static NTSTATUS idmap_autorid_initialize(struct idmap_domain *dom)
+{
+ struct idmap_tdb_common_context *commonconfig;
struct autorid_global_config *config;
struct autorid_global_config *storedconfig = NULL;
NTSTATUS status;
uint32_t hwm;
- config = TALLOC_ZERO_P(dom, struct autorid_global_config);
+ if (!strequal(dom->name, "*")) {
+ DEBUG(0, ("idmap_autorid_initialize: Error: autorid configured "
+ "for domain '%s'. But autorid can only be used for "
+ "the default idmap configuration.\n", dom->name));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ commonconfig = talloc_zero(dom, struct idmap_tdb_common_context);
+ if (!commonconfig) {
+ DEBUG(0, ("Out of memory!\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ commonconfig->rw_ops = talloc_zero(commonconfig, struct idmap_rw_ops);
+ if (commonconfig->rw_ops == NULL) {
+ DEBUG(0, ("Out of memory!\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ config = talloc_zero(commonconfig, struct autorid_global_config);
if (!config) {
DEBUG(0, ("Out of memory!\n"));
return NT_STATUS_NO_MEMORY;
}
config->minvalue = dom->low_id;
- config->rangesize = lp_parm_int(-1, "autorid", "rangesize", 100000);
+ config->rangesize = lp_parm_int(-1, "idmap config *",
+ "rangesize", 100000);
if (config->rangesize < 2000) {
DEBUG(1, ("autorid rangesize must be at least 2000\n"));
/* read previously stored config and current HWM */
storedconfig = idmap_autorid_loadconfig(talloc_tos());
- if (!dbwrap_fetch_uint32(autorid_db, HWM, &hwm)) {
+ status = dbwrap_fetch_uint32_bystring(autorid_db, HWM, &hwm);
+ if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Fatal error while fetching current "
- "HWM value!\n"));
+ "HWM value: %s\n", nt_errstr(status)));
status = NT_STATUS_INTERNAL_ERROR;
goto error;
}
DEBUG(5, ("%d domain ranges with a size of %d are available\n",
config->maxranges, config->rangesize));
- dom->private_data = config;
+ config->ignore_builtin = lp_parm_bool(-1, "idmap config *",
+ "ignore builtin", false);
- if (!NT_STATUS_IS_OK(status)) {
- goto error;
- }
+ /* fill the TDB common configuration */
+ commonconfig->private_data = config;
- return NT_STATUS_OK;
+ commonconfig->db = autorid_db;
+ commonconfig->max_id = config->rangesize -1;
+ commonconfig->hwmkey_uid = ALLOC_HWM_UID;
+ commonconfig->hwmkey_gid = ALLOC_HWM_GID;
+ commonconfig->rw_ops->get_new_id = idmap_autorid_allocate_id;
+ commonconfig->rw_ops->set_mapping = idmap_tdb_common_set_mapping;
+
+ dom->private_data = commonconfig;
- error:
+ /* preallocate well-known SIDs in the pool */
+ status = idmap_autorid_preallocate_wellknown(dom);
+
+ goto done;
+
+error:
talloc_free(config);
+
+done:
talloc_free(storedconfig);
return status;
/*
Close the idmap tdb instance
*/
-static NTSTATUS idmap_autorid_close(struct idmap_domain *dom)
-{
- /* don't do anything */
- return NT_STATUS_OK;
-}
-
static struct idmap_methods autorid_methods = {
.init = idmap_autorid_initialize,
.unixids_to_sids = idmap_autorid_unixids_to_sids,
.sids_to_unixids = idmap_autorid_sids_to_unixids,
- .close_fn = idmap_autorid_close
+ .allocate_id = idmap_autorid_allocate_id
};
-NTSTATUS idmap_autorid_init(void)
+NTSTATUS samba_init_module(void)
{
return smb_register_idmap(SMB_IDMAP_INTERFACE_VERSION,
"autorid", &autorid_methods);
git.samba.org / kai / samba.git / blobdiff