/*
parse options
*/
static isc_result_t parse_options(struct dlz_bind9_data *state,
unsigned int argc, char *argv[],
struct b9_options *options)
{
int opt;
poptContext pc;
struct poptOption long_options[] = {
{ "url", 'H', POPT_ARG_STRING, &options->url, 0, "database URL", "URL" },
{ NULL }
};
struct poptOption **popt_options;
int ret;
fault_setup_disable();
popt_options = ldb_module_popt_options(state->samdb);
(*popt_options) = long_options;
ret = ldb_modules_hook(state->samdb, LDB_MODULE_HOOK_CMDLINE_OPTIONS);
if (ret != LDB_SUCCESS) {
state->log(ISC_LOG_ERROR, "dlz samba: failed cmdline hook");
return ISC_R_FAILURE;
}
pc = poptGetContext("dlz_bind9", argc, (const char **)argv, *popt_options,
POPT_CONTEXT_KEEP_FIRST);
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
default:
state->log(ISC_LOG_ERROR, "dlz samba: Invalid option %s: %s",
poptBadOption(pc, 0), poptStrerror(opt));
return ISC_R_FAILURE;
}
}
ret = ldb_modules_hook(state->samdb, LDB_MODULE_HOOK_CMDLINE_PRECONNECT);
if (ret != LDB_SUCCESS) {
state->log(ISC_LOG_ERROR, "dlz samba: failed cmdline preconnect");
return ISC_R_FAILURE;
}
return ISC_R_SUCCESS;
}
int main(int argc, char *argv[])
{
bool emergency = false;
int c, rc;
char *fname;
struct ldb_dn *dn = NULL;
ldb = ldb_init(NULL, NULL);
if (ldb == NULL) {
fprintf(stderr, "ldb: ldb_init failed()");
exit(1);
}
rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_PRECONNECT);
if (rc != LDB_SUCCESS) {
fprintf(stderr, "ldb: failed to run preconnect hooks (needed to get Samba LDIF handlers): %s\n", ldb_strerror(rc));
exit(1);
}
if (argc < 2) {
printf("Usage: ldbdump <fname>\n");
exit(1);
}
while ((c = getopt( argc, argv, "hd:ec")) != -1) {
switch (c) {
case 'h':
usage();
exit( 0);
case 'd':
dn = ldb_dn_new(ldb, ldb, optarg);
if (!dn) {
fprintf(stderr, "ldb failed to parse %s as a DN\n", optarg);
exit(1);
}
break;
case 'e':
emergency = true;
break;
case 'i':
show_index = true;
break;
case 'c':
validate_contents = true;
break;
default:
usage();
exit( 1);
}
}
fname = argv[optind];
return dump_tdb(fname, dn, emergency);
}
/*
called to initialise the driver
*/
_PUBLIC_ isc_result_t dlz_create(const char *dlzname,
unsigned int argc, char *argv[],
void **dbdata, ...)
{
struct dlz_bind9_data *state;
const char *helper_name;
va_list ap;
isc_result_t result;
TALLOC_CTX *tmp_ctx;
int ret;
struct ldb_dn *dn;
struct b9_options options;
ZERO_STRUCT(options);
state = talloc_zero(NULL, struct dlz_bind9_data);
if (state == NULL) {
return ISC_R_NOMEMORY;
}
tmp_ctx = talloc_new(state);
/* fill in the helper functions */
va_start(ap, dbdata);
while ((helper_name = va_arg(ap, const char *)) != NULL) {
b9_add_helper(state, helper_name, va_arg(ap, void*));
}
va_end(ap);
state->ev_ctx = s4_event_context_init(state);
if (state->ev_ctx == NULL) {
result = ISC_R_NOMEMORY;
goto failed;
}
state->samdb = ldb_init(state, state->ev_ctx);
if (state->samdb == NULL) {
state->log(ISC_LOG_ERROR, "samba_dlz: Failed to create ldb");
result = ISC_R_FAILURE;
goto failed;
}
result = parse_options(state, argc, argv, &options);
if (result != ISC_R_SUCCESS) {
goto failed;
}
state->lp = loadparm_init_global(true);
if (state->lp == NULL) {
result = ISC_R_NOMEMORY;
goto failed;
}
if (options.url == NULL) {
options.url = talloc_asprintf(tmp_ctx, "ldapi://%s",
lpcfg_private_path(tmp_ctx, state->lp, "ldap_priv/ldapi"));
if (options.url == NULL) {
result = ISC_R_NOMEMORY;
goto failed;
}
}
ret = ldb_connect(state->samdb, options.url, 0, NULL);
if (ret != LDB_SUCCESS) {
state->log(ISC_LOG_ERROR, "samba_dlz: Failed to connect to %s - %s",
options.url, ldb_errstring(state->samdb));
result = ISC_R_FAILURE;
goto failed;
}
ret = ldb_modules_hook(state->samdb, LDB_MODULE_HOOK_CMDLINE_POSTCONNECT);
if (ret != LDB_SUCCESS) {
state->log(ISC_LOG_ERROR, "samba_dlz: Failed postconnect for %s - %s",
options.url, ldb_errstring(state->samdb));
result = ISC_R_FAILURE;
goto failed;
}
dn = ldb_get_default_basedn(state->samdb);
if (dn == NULL) {
state->log(ISC_LOG_ERROR, "samba_dlz: Unable to get basedn for %s - %s",
options.url, ldb_errstring(state->samdb));
result = ISC_R_FAILURE;
goto failed;
}
state->log(ISC_LOG_INFO, "samba_dlz: started for DN %s",
ldb_dn_get_linearized(dn));
*dbdata = state;
talloc_free(tmp_ctx);
return ISC_R_SUCCESS;
failed:
talloc_free(state);
return result;
}
/**
process command line options
*/
struct ldb_cmdline *ldb_cmdline_process(struct ldb_context *ldb,
int argc, const char **argv,
void (*usage)(struct ldb_context *))
{
struct ldb_cmdline *ret=NULL;
poptContext pc;
int num_options = 0;
int opt;
unsigned int flags = 0;
int rc;
struct poptOption **popt_options;
/* make the ldb utilities line buffered */
setlinebuf(stdout);
ret = talloc_zero(ldb, struct ldb_cmdline);
if (ret == NULL) {
fprintf(stderr, "Out of memory!\n");
goto failed;
}
options = *ret;
/* pull in URL */
options.url = getenv("LDB_URL");
/* and editor (used by ldbedit) */
options.editor = getenv("VISUAL");
if (!options.editor) {
options.editor = getenv("EDITOR");
}
if (!options.editor) {
options.editor = "vi";
}
options.scope = LDB_SCOPE_DEFAULT;
popt_options = ldb_module_popt_options(ldb);
(*popt_options) = builtin_popt_options;
rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_OPTIONS);
if (rc != LDB_SUCCESS) {
fprintf(stderr, "ldb: failed to run command line hooks : %s\n", ldb_strerror(rc));
goto failed;
}
pc = poptGetContext(argv[0], argc, argv, *popt_options,
POPT_CONTEXT_KEEP_FIRST);
while((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case 's': {
const char *arg = poptGetOptArg(pc);
if (strcmp(arg, "base") == 0) {
options.scope = LDB_SCOPE_BASE;
} else if (strcmp(arg, "sub") == 0) {
options.scope = LDB_SCOPE_SUBTREE;
} else if (strcmp(arg, "one") == 0) {
options.scope = LDB_SCOPE_ONELEVEL;
} else {
fprintf(stderr, "Invalid scope '%s'\n", arg);
goto failed;
}
break;
}
case 'v':
options.verbose++;
break;
case 'o':
options.options = talloc_realloc(ret, options.options,
const char *, num_options+3);
if (options.options == NULL) {
fprintf(stderr, "Out of memory!\n");
goto failed;
}
options.options[num_options] = poptGetOptArg(pc);
options.options[num_options+1] = NULL;
num_options++;
break;
case 'c': {
const char *cs = poptGetOptArg(pc);
const char *p;
for (p = cs; p != NULL; ) {
const char *t, *c;
t = strchr(p, ',');
if (t == NULL) {
c = talloc_strdup(options.controls, p);
p = NULL;
} else {
c = talloc_strndup(options.controls, p, t-p);
p = t + 1;
}
if (c == NULL || !add_control(ret, c)) {
fprintf(stderr, __location__ ": out of memory\n");
goto failed;
}
}
break;
}
case 'P':
if (!add_control(ret, "paged_results:1:1024")) {
fprintf(stderr, __location__ ": out of memory\n");
goto failed;
}
break;
case 'D':
if (!add_control(ret, "show_deleted:1")) {
fprintf(stderr, __location__ ": out of memory\n");
goto failed;
}
break;
case 'R':
if (!add_control(ret, "show_recycled:0")) {
fprintf(stderr, __location__ ": out of memory\n");
goto failed;
}
break;
case 'd':
if (!add_control(ret, "show_deactivated_link:0")) {
fprintf(stderr, __location__ ": out of memory\n");
goto failed;
}
break;
case 'r':
if (!add_control(ret, "reveal_internals:0")) {
fprintf(stderr, __location__ ": out of memory\n");
goto failed;
}
break;
case CMDLINE_RELAX:
if (!add_control(ret, "relax:0")) {
fprintf(stderr, __location__ ": out of memory\n");
goto failed;
}
break;
case 'N':
if (!add_control(ret, "search_options:1:2")) {
fprintf(stderr, __location__ ": out of memory\n");
goto failed;
}
break;
case 'E':
if (!add_control(ret, "extended_dn:1:1")) {
fprintf(stderr, __location__ ": out of memory\n");
goto failed;
}
break;
default:
fprintf(stderr, "Invalid option %s: %s\n",
poptBadOption(pc, 0), poptStrerror(opt));
if (usage) usage(ldb);
goto failed;
}
}
/* setup the remaining options for the main program to use */
options.argv = poptGetArgs(pc);
if (options.argv) {
options.argv++;
while (options.argv[options.argc]) options.argc++;
}
*ret = options;
/* all utils need some option */
if (ret->url == NULL) {
fprintf(stderr, "You must supply a url with -H or with $LDB_URL\n");
if (usage) usage(ldb);
goto failed;
}
if (strcmp(ret->url, "NONE") == 0) {
return ret;
}
if (options.nosync) {
flags |= LDB_FLG_NOSYNC;
}
if (options.show_binary) {
flags |= LDB_FLG_SHOW_BINARY;
}
if (options.tracing) {
flags |= LDB_FLG_ENABLE_TRACING;
}
if (options.modules_path != NULL) {
ldb_set_modules_dir(ldb, options.modules_path);
}
rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_PRECONNECT);
if (rc != LDB_SUCCESS) {
fprintf(stderr, "ldb: failed to run preconnect hooks : %s\n", ldb_strerror(rc));
goto failed;
}
/* now connect to the ldb */
if (ldb_connect(ldb, ret->url, flags, ret->options) != LDB_SUCCESS) {
fprintf(stderr, "Failed to connect to %s - %s\n",
ret->url, ldb_errstring(ldb));
goto failed;
}
rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_POSTCONNECT);
if (rc != LDB_SUCCESS) {
fprintf(stderr, "ldb: failed to run post connect hooks : %s\n", ldb_strerror(rc));
goto failed;
}
return ret;
failed:
talloc_free(ret);
exit(LDB_ERR_OPERATIONS_ERROR);
return NULL;
}
static int dump_lmdb(const char *fname, struct ldb_dn *dn, bool emergency)
{
int ret;
struct MDB_env *env = NULL;
struct MDB_txn *txn = NULL;
MDB_dbi dbi;
struct MDB_cursor *cursor = NULL;
struct MDB_val key;
struct MDB_val data;
ret = mdb_env_create(&env);
if (ret != 0) {
fprintf(stderr,
"Could not create MDB environment: (%d) %s\n",
ret,
mdb_strerror(ret));
goto close_env;
}
ret = mdb_env_open(env,
fname,
MDB_NOSUBDIR|MDB_NOTLS|MDB_RDONLY,
0600);
if (ret != 0) {
fprintf(stderr,
"Could not open environment for %s: (%d) %s\n",
fname,
ret,
mdb_strerror(ret));
goto close_env;
}
ret = mdb_txn_begin(env, NULL, MDB_RDONLY, &txn);
if (ret != 0) {
fprintf(stderr,
"Could not start transaction: (%d) %s\n",
ret,
mdb_strerror(ret));
goto close_env;
}
ret = mdb_dbi_open(txn, NULL, 0, &dbi);
if (ret != 0) {
fprintf(stderr,
"Could not open database: (%d) %s\n",
ret,
mdb_strerror(ret));
goto close_txn;
}
ret = mdb_cursor_open(txn, dbi, &cursor);
if (ret != 0) {
fprintf(stderr,
"Could not open cursor: (%d) %s\n",
ret,
mdb_strerror(ret));
goto close_txn;
}
ret = mdb_cursor_get(cursor, &key, &data, MDB_FIRST);
if (ret != 0 && ret != MDB_NOTFOUND) {
fprintf(stderr,
"Could not find first record: (%d) %s\n",
ret,
mdb_strerror(ret));
goto close_cursor;
}
while (ret != MDB_NOTFOUND) {
struct TDB_DATA tkey = {
.dptr = key.mv_data,
.dsize = key.mv_size
};
struct TDB_DATA tdata = {
.dptr = data.mv_data,
.dsize = data.mv_size
};
traverse_fn(NULL, tkey, tdata, dn);
ret = mdb_cursor_get(cursor, &key, &data, MDB_NEXT);
if (ret != 0 && ret != MDB_NOTFOUND) {
fprintf(stderr,
"Could not read next record: (%d) %s\n",
ret,
mdb_strerror(ret));
goto close_cursor;
}
}
ret = 0;
close_cursor:
mdb_cursor_close(cursor);
close_txn:
mdb_txn_commit(txn);
close_env:
mdb_env_close(env);
if (ret != 0) {
return 1;
}
return 0;
}
#else
static int dump_lmdb(const char *fname, struct ldb_dn *dn, bool emergency)
{
/* not built with lmdb support */
return 1;
}
#endif /* #ifdef HAVE_LMDB */
static void usage( void)
{
printf( "Usage: ldbdump [options] <filename>\n\n");
printf( " -h this help message\n");
printf( " -d DN dumps DN only\n");
printf( " -e emergency dump, for corrupt databases\n");
printf( " -i include index and @BASEINFO records in dump\n");
printf( " -c validate contents of the records\n");
}
int main(int argc, char *argv[])
{
bool emergency = false;
int c, rc;
char *fname;
struct ldb_dn *dn = NULL;
ldb = ldb_init(NULL, NULL);
if (ldb == NULL) {
fprintf(stderr, "ldb: ldb_init failed()");
exit(1);
}
rc = ldb_modules_hook(ldb, LDB_MODULE_HOOK_CMDLINE_PRECONNECT);
if (rc != LDB_SUCCESS) {
fprintf(stderr, "ldb: failed to run preconnect hooks (needed to get Samba LDIF handlers): %s\n", ldb_strerror(rc));
exit(1);
}
if (argc < 2) {
printf("Usage: ldbdump <fname>\n");
exit(1);
}
while ((c = getopt( argc, argv, "hd:eic")) != -1) {
switch (c) {
case 'h':
usage();
exit( 0);
case 'd':
dn = ldb_dn_new(ldb, ldb, optarg);
if (!dn) {
fprintf(stderr, "ldb failed to parse %s as a DN\n", optarg);
exit(1);
}
break;
case 'e':
emergency = true;
break;
case 'i':
show_index = true;
break;
case 'c':
validate_contents = true;
break;
default:
usage();
exit( 1);
}
}
fname = argv[optind];
rc = dump_lmdb(fname, dn, emergency);
if (rc != 0) {
rc = dump_tdb(fname, dn, emergency);
if (rc != 0) {
fprintf(stderr, "Failed to open %s\n", fname);
return 1;
}
}
return 0;
}
