along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#define FOO(x) (x)
#include "includes.h"
+#include "system/filesys.h"
#include "utils/net.h"
#include "secrets.h"
+#include "idmap.h"
+#include "dbwrap.h"
+#include "../libcli/security/security.h"
+#include "net_idmap_check.h"
+#include "util_tdb.h"
#define ALLOC_CHECK(mem) do { \
if (!mem) { \
/***********************************************************
Helper function for net_idmap_dump. Dump one entry.
**********************************************************/
-static int net_idmap_dump_one_entry(TDB_CONTEXT *tdb,
- TDB_DATA key,
- TDB_DATA data,
+static int net_idmap_dump_one_entry(struct db_record *rec,
void *unused)
{
- if (strcmp((char *)key.dptr, "USER HWM") == 0) {
- printf(_("USER HWM %d\n"), IVAL(data.dptr,0));
+ if (strcmp((char *)rec->key.dptr, "USER HWM") == 0) {
+ printf(_("USER HWM %d\n"), IVAL(rec->value.dptr,0));
return 0;
}
- if (strcmp((char *)key.dptr, "GROUP HWM") == 0) {
- printf(_("GROUP HWM %d\n"), IVAL(data.dptr,0));
+ if (strcmp((char *)rec->key.dptr, "GROUP HWM") == 0) {
+ printf(_("GROUP HWM %d\n"), IVAL(rec->value.dptr,0));
return 0;
}
- if (strncmp((char *)key.dptr, "S-", 2) != 0)
+ if (strncmp((char *)rec->key.dptr, "S-", 2) != 0)
return 0;
- printf("%s %s\n", data.dptr, key.dptr);
+ printf("%s %s\n", rec->value.dptr, rec->key.dptr);
return 0;
}
+static const char* net_idmap_dbfile(struct net_context *c)
+{
+ const char* dbfile = NULL;
+
+ if (c->opt_db != NULL) {
+ dbfile = talloc_strdup(talloc_tos(), c->opt_db);
+ if (dbfile == NULL) {
+ d_fprintf(stderr, _("Out of memory!\n"));
+ }
+ } else if (strequal(lp_idmap_backend(), "tdb")) {
+ dbfile = state_path("winbindd_idmap.tdb");
+ if (dbfile == NULL) {
+ d_fprintf(stderr, _("Out of memory!\n"));
+ }
+ } else if (strequal(lp_idmap_backend(), "tdb2")) {
+ dbfile = lp_parm_talloc_string(-1, "tdb", "idmap2.tdb", NULL);
+ if (dbfile == NULL) {
+ dbfile = talloc_asprintf(talloc_tos(), "%s/idmap2.tdb",
+ lp_private_dir());
+ }
+ if (dbfile == NULL) {
+ d_fprintf(stderr, _("Out of memory!\n"));
+ }
+ } else {
+ char* backend = talloc_strdup(talloc_tos(), lp_idmap_backend());
+ char* args = strchr(backend, ':');
+ if (args != NULL) {
+ *args = '\0';
+ }
+
+ d_printf(_("Sorry, 'idmap backend = %s' is currently not supported\n"),
+ backend);
+
+ talloc_free(backend);
+ }
+
+ return dbfile;
+}
+
/***********************************************************
Dump the current idmap
**********************************************************/
static int net_idmap_dump(struct net_context *c, int argc, const char **argv)
{
- TDB_CONTEXT *idmap_tdb;
+ struct db_context *db;
+ TALLOC_CTX *mem_ctx;
+ const char* dbfile;
+ int ret = -1;
- if ( argc != 1 || c->display_usage) {
+ if ( argc > 1 || c->display_usage) {
d_printf("%s\n%s",
_("Usage:"),
- _("net idmap dump <inputfile>\n"
+ _("net idmap dump [[--db=]<inputfile>]\n"
" Dump current ID mapping.\n"
" inputfile\tTDB file to read mappings from.\n"));
return c->display_usage?0:-1;
}
- idmap_tdb = tdb_open_log(argv[0], 0, TDB_DEFAULT, O_RDONLY, 0);
+ mem_ctx = talloc_stackframe();
- if (idmap_tdb == NULL) {
- d_fprintf(stderr, _("Could not open idmap: %s\n"), argv[0]);
- return -1;
+ dbfile = (argc > 0) ? argv[0] : net_idmap_dbfile(c);
+ if (dbfile == NULL) {
+ goto done;
}
+ d_fprintf(stderr, _("dumping id mapping from %s\n"), dbfile);
- tdb_traverse(idmap_tdb, net_idmap_dump_one_entry, NULL);
+ db = db_open(mem_ctx, dbfile, 0, TDB_DEFAULT, O_RDONLY, 0);
+ if (db == NULL) {
+ d_fprintf(stderr, _("Could not open idmap db (%s): %s\n"),
+ dbfile, strerror(errno));
+ goto done;
+ }
- tdb_close(idmap_tdb);
+ db->traverse_read(db, net_idmap_dump_one_entry, NULL);
+ ret = 0;
- return 0;
+done:
+ talloc_free(mem_ctx);
+ return ret;
}
/***********************************************************
Write entries from stdin to current local idmap
**********************************************************/
+static int net_idmap_store_id_mapping(struct db_context *db,
+ enum id_type type,
+ unsigned long idval,
+ const char *sid_string)
+{
+ NTSTATUS status;
+ char *idstr = NULL;
+
+ switch(type) {
+ case ID_TYPE_UID:
+ idstr = talloc_asprintf(talloc_tos(), "UID %lu", idval);
+ break;
+ case ID_TYPE_GID:
+ idstr = talloc_asprintf(talloc_tos(), "GID %lu", idval);
+ break;
+ default:
+ d_fprintf(stderr, "Invalid id mapping type: %d\n", type);
+ return -1;
+ }
+
+ status = dbwrap_store_bystring(db, idstr,
+ string_term_tdb_data(sid_string),
+ TDB_REPLACE);
+ if (!NT_STATUS_IS_OK(status)) {
+ d_fprintf(stderr, "Error storing ID -> SID: "
+ "%s\n", nt_errstr(status));
+ talloc_free(idstr);
+ return -1;
+ }
+ status = dbwrap_store_bystring(db, sid_string,
+ string_term_tdb_data(idstr),
+ TDB_REPLACE);
+ if (!NT_STATUS_IS_OK(status)) {
+ d_fprintf(stderr, "Error storing SID -> ID: "
+ "%s\n", nt_errstr(status));
+ talloc_free(idstr);
+ return -1;
+ }
+
+ return 0;
+}
+
static int net_idmap_restore(struct net_context *c, int argc, const char **argv)
{
- TALLOC_CTX *ctx;
- FILE *input;
+ TALLOC_CTX *mem_ctx;
+ FILE *input = NULL;
+ struct db_context *db;
+ const char *dbfile = NULL;
+ int ret = 0;
if (c->display_usage) {
d_printf("%s\n%s",
_("Usage:"),
- _("net idmap restore [inputfile]\n"
+ _("net idmap restore [--db=<TDB>] [<inputfile>]\n"
" Restore ID mappings from file\n"
- " inputfile\tFile to load ID mappings from. If "
- "not given, load data from stdin.\n"));
+ " TDB\tFile to store ID mappings to."
+ " inputfile\tFile to load ID mappings from. If not "
+ "given, load data from stdin.\n"));
return 0;
}
- if (! winbind_ping()) {
- d_fprintf(stderr,
- _("To use net idmap Winbindd must be running.\n"));
- return -1;
+ mem_ctx = talloc_stackframe();
+
+ dbfile = net_idmap_dbfile(c);
+
+ if (dbfile == NULL) {
+ ret = -1;
+ goto done;
}
- ctx = talloc_new(NULL);
- ALLOC_CHECK(ctx);
+ d_fprintf(stderr, _("restoring id mapping to %s\n"), dbfile);
if (argc == 1) {
input = fopen(argv[0], "r");
+ if (input == NULL) {
+ d_fprintf(stderr, _("Could not open input file (%s): %s\n"),
+ argv[0], strerror(errno));
+ ret = -1;
+ goto done;
+ }
} else {
input = stdin;
}
+ db = db_open(mem_ctx, dbfile, 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0644);
+ if (db == NULL) {
+ d_fprintf(stderr, _("Could not open idmap db (%s): %s\n"),
+ dbfile, strerror(errno));
+ ret = -1;
+ goto done;
+ }
+
+ if (db->transaction_start(db) != 0) {
+ d_fprintf(stderr, _("Failed to start transaction.\n"));
+ ret = -1;
+ goto done;
+ }
+
while (!feof(input)) {
char line[128], sid_string[128];
int len;
- struct wbcDomainSid sid;
- enum id_type type = ID_TYPE_NOT_SPECIFIED;
unsigned long idval;
- wbcErr wbc_status;
if (fgets(line, 127, input) == NULL)
break;
if ( (len > 0) && (line[len-1] == '\n') )
line[len-1] = '\0';
- if (sscanf(line, "GID %lu %128s", &idval, sid_string) == 2) {
- type = ID_TYPE_GID;
- } else if (sscanf(line, "UID %lu %128s", &idval, sid_string) == 2) {
- type = ID_TYPE_UID;
+ if (sscanf(line, "GID %lu %128s", &idval, sid_string) == 2)
+ {
+ ret = net_idmap_store_id_mapping(db, ID_TYPE_GID,
+ idval, sid_string);
+ if (ret != 0) {
+ break;
+ }
+ } else if (sscanf(line, "UID %lu %128s", &idval, sid_string) == 2)
+ {
+ ret = net_idmap_store_id_mapping(db, ID_TYPE_UID,
+ idval, sid_string);
+ if (ret != 0) {
+ break;
+ }
} else if (sscanf(line, "USER HWM %lu", &idval) == 1) {
- /* set uid hwm */
- wbc_status = wbcSetUidHwm(idval);
- if (!WBC_ERROR_IS_OK(wbc_status)) {
- d_fprintf(stderr,
- _("Could not set USER HWM: %s\n"),
- wbcErrorString(wbc_status));
+ ret = dbwrap_store_int32(db, "USER HWM", idval);
+ if (ret != 0) {
+ d_fprintf(stderr, _("Could not store USER HWM.\n"));
+ break;
}
- continue;
} else if (sscanf(line, "GROUP HWM %lu", &idval) == 1) {
- /* set gid hwm */
- wbc_status = wbcSetGidHwm(idval);
- if (!WBC_ERROR_IS_OK(wbc_status)) {
+ ret = dbwrap_store_int32(db, "GROUP HWM", idval);
+ if (ret != 0) {
d_fprintf(stderr,
- _("Could not set GROUP HWM: %s\n"),
- wbcErrorString(wbc_status));
+ _("Could not store GROUP HWM.\n"));
+ break;
}
- continue;
} else {
d_fprintf(stderr, _("ignoring invalid line [%s]\n"),
line);
continue;
}
+ }
- wbc_status = wbcStringToSid(sid_string, &sid);
- if (!WBC_ERROR_IS_OK(wbc_status)) {
- d_fprintf(stderr, _("ignoring invalid sid [%s]: %s\n"),
- sid_string, wbcErrorString(wbc_status));
- continue;
- }
-
- if (type == ID_TYPE_UID) {
- wbc_status = wbcSetUidMapping(idval, &sid);
- } else {
- wbc_status = wbcSetGidMapping(idval, &sid);
+ if (ret == 0) {
+ if(db->transaction_commit(db) != 0) {
+ d_fprintf(stderr, _("Failed to commit transaction.\n"));
+ ret = -1;
}
- if (!WBC_ERROR_IS_OK(wbc_status)) {
- d_fprintf(stderr,
- _("Could not set mapping of %s %lu to sid %s: %s\n"),
- (type == ID_TYPE_GID) ? "GID" : "UID",
- idval, sid_string,
- wbcErrorString(wbc_status));
- continue;
+ } else {
+ if (db->transaction_cancel(db) != 0) {
+ d_fprintf(stderr, _("Failed to cancel transaction.\n"));
}
}
- if (input != stdin) {
+done:
+ if ((input != NULL) && (input != stdin)) {
fclose(input);
}
- talloc_free(ctx);
- return 0;
+ talloc_free(mem_ctx);
+ return ret;
+}
+
+static
+NTSTATUS dbwrap_delete_mapping(struct db_context *db, TDB_DATA key1, bool force)
+{
+ TALLOC_CTX* mem_ctx = talloc_tos();
+ struct db_record *rec1=NULL, *rec2=NULL;
+ TDB_DATA key2;
+ bool is_valid_mapping;
+ NTSTATUS status = NT_STATUS_OK;
+
+ rec1 = db->fetch_locked(db, mem_ctx, key1);
+ if (rec1 == NULL) {
+ DEBUG(1, ("failed to fetch: %.*s\n", (int)key1.dsize, key1.dptr));
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ key2 = rec1->value;
+ if (key2.dptr == NULL) {
+ DEBUG(1, ("could not find %.*s\n", (int)key1.dsize, key1.dptr));
+ status = NT_STATUS_NOT_FOUND;
+ goto done;
+ }
+
+ DEBUG(2, ("mapping: %.*s -> %.*s\n",
+ (int)key1.dsize, key1.dptr, (int)key2.dsize, key2.dptr));
+
+ rec2 = db->fetch_locked(db, mem_ctx, key2);
+ if (rec2 == NULL) {
+ DEBUG(1, ("failed to fetch: %.*s\n", (int)key2.dsize, key2.dptr));
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ is_valid_mapping = tdb_data_equal(key1, rec2->value);
+
+ if (!is_valid_mapping) {
+ DEBUG(1, ("invalid mapping: %.*s -> %.*s -> %.*s\n",
+ (int)key1.dsize, key1.dptr, (int)key2.dsize, key2.dptr,
+ (int)rec2->value.dsize, rec2->value.dptr ));
+ if ( !force ) {
+ status = NT_STATUS_FILE_INVALID;
+ goto done;
+ }
+ }
+
+ status = rec1->delete_rec(rec1);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("failed to delete: %.*s\n", (int)key1.dsize, key1.dptr));
+ goto done;
+ }
+
+ if (is_valid_mapping) {
+ status = rec2->delete_rec(rec2);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("failed to delete: %.*s\n", (int)key2.dsize, key2.dptr));
+ }
+ }
+done:
+ TALLOC_FREE(rec1);
+ TALLOC_FREE(rec2);
+ return status;
+}
+
+static
+NTSTATUS delete_mapping_action(struct db_context *db, void* data)
+{
+ return dbwrap_delete_mapping(db, *(TDB_DATA*)data, false);
+}
+static
+NTSTATUS delete_mapping_action_force(struct db_context *db, void* data)
+{
+ return dbwrap_delete_mapping(db, *(TDB_DATA*)data, true);
}
/***********************************************************
Delete a SID mapping from a winbindd_idmap.tdb
**********************************************************/
+static bool delete_args_ok(int argc, const char **argv)
+{
+ if (argc != 1)
+ return false;
+ if (strncmp(argv[0], "S-", 2) == 0)
+ return true;
+ if (strncmp(argv[0], "GID ", 4) == 0)
+ return true;
+ if (strncmp(argv[0], "UID ", 4) == 0)
+ return true;
+ return false;
+}
+
static int net_idmap_delete(struct net_context *c, int argc, const char **argv)
{
- d_printf("%s\n", _("Not implemented yet"));
- return -1;
+ int ret = -1;
+ struct db_context *db;
+ TALLOC_CTX *mem_ctx;
+ TDB_DATA key;
+ NTSTATUS status;
+ const char* dbfile;
+
+ if ( !delete_args_ok(argc,argv) || c->display_usage) {
+ d_printf("%s\n%s",
+ _("Usage:"),
+ _("net idmap delete [-f] [--db=<TDB>] <ID>\n"
+ " Delete mapping of ID from TDB.\n"
+ " -f\tforce\n"
+ " TDB\tidmap database\n"
+ " ID\tSID|GID|UID\n"));
+ return c->display_usage ? 0 : -1;
+ }
+
+ mem_ctx = talloc_stackframe();
+
+ dbfile = net_idmap_dbfile(c);
+ if (dbfile == NULL) {
+ goto done;
+ }
+ d_fprintf(stderr, _("deleting id mapping from %s\n"), dbfile);
+
+ db = db_open(mem_ctx, dbfile, 0, TDB_DEFAULT, O_RDWR, 0);
+ if (db == NULL) {
+ d_fprintf(stderr, _("Could not open idmap db (%s): %s\n"),
+ dbfile, strerror(errno));
+ goto done;
+ }
+
+ key = string_term_tdb_data(argv[0]);
+
+ status = dbwrap_trans_do(db, (c->opt_force
+ ? delete_mapping_action_force
+ : delete_mapping_action), &key);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ d_fprintf(stderr, _("could not delete mapping: %s\n"),
+ nt_errstr(status));
+ goto done;
+ }
+ ret = 0;
+done:
+ talloc_free(mem_ctx);
+ return ret;
}
static int net_idmap_set(struct net_context *c, int argc, const char **argv)
d_printf("%s\n", _("Not implemented yet"));
return -1;
}
-bool idmap_store_secret(const char *backend, bool alloc,
- const char *domain, const char *identity,
- const char *secret)
+static bool idmap_store_secret(const char *backend,
+ const char *domain,
+ const char *identity,
+ const char *secret)
{
char *tmp;
int r;
bool ret;
- if (alloc) {
- r = asprintf(&tmp, "IDMAP_ALLOC_%s", backend);
- } else {
- r = asprintf(&tmp, "IDMAP_%s_%s", backend, domain);
- }
+ r = asprintf(&tmp, "IDMAP_%s_%s", backend, domain);
if (r < 0) return false;
if (argc != 2 || c->display_usage) {
d_printf("%s\n%s",
- _("Usage:"),
- _("net idmap secret {<DOMAIN>|alloc} <secret>\n"
- " Set the secret for the specified domain "
- "(or alloc module)\n"
+ _("Usage:\n"),
+ _("net idmap secret <DOMAIN> <secret>\n"
+ " Set the secret for the specified domain\n"
" DOMAIN\tDomain to set secret for.\n"
- " alloc\tSet secret for the alloc module\n"
" secret\tNew secret to set.\n"));
return c->display_usage?0:-1;
}
ctx = talloc_new(NULL);
ALLOC_CHECK(ctx);
- if (strcmp(argv[0], "alloc") == 0) {
- domain = NULL;
- backend = lp_idmap_alloc_backend();
- } else {
- domain = talloc_strdup(ctx, argv[0]);
- ALLOC_CHECK(domain);
+ domain = talloc_strdup(ctx, argv[0]);
+ ALLOC_CHECK(domain);
- opt = talloc_asprintf(ctx, "idmap config %s", domain);
- ALLOC_CHECK(opt);
+ opt = talloc_asprintf(ctx, "idmap config %s", domain);
+ ALLOC_CHECK(opt);
- backend = talloc_strdup(ctx, lp_parm_const_string(-1, opt, "backend", "tdb"));
- ALLOC_CHECK(backend);
- }
+ backend = talloc_strdup(ctx, lp_parm_const_string(-1, opt, "backend", "tdb"));
+ ALLOC_CHECK(backend);
if ( ( ! backend) || ( ! strequal(backend, "ldap"))) {
d_fprintf(stderr,
return -1;
}
- if (domain) {
-
- dn = lp_parm_const_string(-1, opt, "ldap_user_dn", NULL);
- if ( ! dn) {
- d_fprintf(stderr,
- _("Missing ldap_user_dn option for domain "
- "%s\n"), domain);
- talloc_free(ctx);
- return -1;
- }
-
- ret = idmap_store_secret("ldap", false, domain, dn, secret);
- } else {
- dn = lp_parm_const_string(-1, "idmap alloc config", "ldap_user_dn", NULL);
- if ( ! dn) {
- d_fprintf(stderr,
- _("Missing ldap_user_dn option for alloc "
- "backend\n"));
- talloc_free(ctx);
- return -1;
- }
-
- ret = idmap_store_secret("ldap", true, NULL, dn, secret);
+ dn = lp_parm_const_string(-1, opt, "ldap_user_dn", NULL);
+ if ( ! dn) {
+ d_fprintf(stderr,
+ _("Missing ldap_user_dn option for domain %s\n"),
+ domain);
+ talloc_free(ctx);
+ return -1;
}
+ ret = idmap_store_secret("ldap", domain, dn, secret);
+
if ( ! ret) {
d_fprintf(stderr, _("Failed to store secret\n"));
talloc_free(ctx);
return 0;
}
-int net_help_idmap(struct net_context *c, int argc, const char **argv)
+static int net_idmap_check(struct net_context *c, int argc, const char **argv)
{
- d_printf(_("net idmap dump <inputfile>\n"
- " Dump current id mapping\n"));
-
- d_printf(_("net idmap restore\n"
- " Restore entries from stdin\n"));
+ const char* dbfile;
+ struct check_options opts;
- /* Deliberately *not* document net idmap delete */
+ if ( argc > 1 || c->display_usage) {
+ d_printf("%s\n%s",
+ _("Usage:"),
+ _("net idmap check [-v] [-r] [-a] [-T] [-f] [-l] [[--db=]<TDB>]\n"
+ " Check an idmap database.\n"
+ " --verbose,-v\tverbose\n"
+ " --repair,-r\trepair\n"
+ " --auto,-a\tnoninteractive mode\n"
+ " --test,-T\tdry run\n"
+ " --fore,-f\tforce\n"
+ " --lock,-l\tlock db while doing the check\n"
+ " TDB\tidmap database\n"));
+ return c->display_usage ? 0 : -1;
+ }
- d_printf(_("net idmap secret <DOMAIN>|alloc <secret>\n"
- " Set the secret for the specified DOMAIN (or the alloc "
- "module)\n"));
+ dbfile = (argc > 0) ? argv[0] : net_idmap_dbfile(c);
+ if (dbfile == NULL) {
+ return -1;
+ }
+ d_fprintf(stderr, _("check database: %s\n"), dbfile);
+
+ opts = (struct check_options) {
+ .lock = c->opt_lock || c->opt_long_list_entries,
+ .test = c->opt_testmode,
+ .automatic = c->opt_auto,
+ .verbose = c->opt_verbose,
+ .force = c->opt_force,
+ .repair = c->opt_repair || c->opt_reboot,
+ };
- return -1;
+ return net_idmap_check_db(dbfile, &opts);
}
static int net_idmap_aclmapset(struct net_context *c, int argc, const char **argv)
"delete",
net_idmap_delete,
NET_TRANSPORT_LOCAL,
- N_("Not implemented yet"),
- N_("net idmap delete\n"
- " Not implemented yet")
+ N_("Delete ID mapping"),
+ N_("net idmap delete <ID>\n"
+ " Delete ID mapping")
},
{
"secret",
net_idmap_secret,
NET_TRANSPORT_LOCAL,
N_("Set secret for specified domain"),
- N_("net idmap secret {<DOMAIN>|alloc} <secret>\n"
- " Set secret for specified domain or alloc module")
+ N_("net idmap secret <DOMAIN> <secret>\n"
+ " Set secret for specified domain")
},
{
"aclmapset",
N_("net idmap aclmapset\n"
" Set acl map")
},
+ {
+ "check",
+ net_idmap_check,
+ NET_TRANSPORT_LOCAL,
+ N_("Check id mappings"),
+ N_("net idmap check\n"
+ " Check id mappings")
+ },
{NULL, NULL, 0, NULL, NULL}
};