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-rw-r--r--source4/lib/ldb/common/ldb_ldif.c199
-rw-r--r--source4/lib/ldb/include/ldb.h28
2 files changed, 226 insertions, 1 deletions
diff --git a/source4/lib/ldb/common/ldb_ldif.c b/source4/lib/ldb/common/ldb_ldif.c
index f837012e69..63b797c4f3 100644
--- a/source4/lib/ldb/common/ldb_ldif.c
+++ b/source4/lib/ldb/common/ldb_ldif.c
@@ -261,6 +261,8 @@ static const struct {
{"add", LDB_CHANGETYPE_ADD},
{"delete", LDB_CHANGETYPE_DELETE},
{"modify", LDB_CHANGETYPE_MODIFY},
+ {"modrdn", LDB_CHANGETYPE_MODRDN},
+ {"moddn", LDB_CHANGETYPE_MODRDN},
{NULL, 0}
};
@@ -526,6 +528,193 @@ void ldb_ldif_read_free(struct ldb_context *ldb, struct ldb_ldif *ldif)
talloc_free(ldif);
}
+int ldb_ldif_parse_modrdn(struct ldb_context *ldb,
+ const struct ldb_ldif *ldif,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn **_olddn,
+ struct ldb_dn **_newrdn,
+ bool *_deleteoldrdn,
+ struct ldb_dn **_newsuperior,
+ struct ldb_dn **_newdn)
+{
+ struct ldb_message *msg = ldif->msg;
+ struct ldb_val *newrdn_val = NULL;
+ struct ldb_val *deleteoldrdn_val = NULL;
+ struct ldb_val *newsuperior_val = NULL;
+ struct ldb_dn *olddn = NULL;
+ struct ldb_dn *newrdn = NULL;
+ bool deleteoldrdn = true;
+ struct ldb_dn *newsuperior = NULL;
+ struct ldb_dn *newdn = NULL;
+ struct ldb_val tmp_false;
+ struct ldb_val tmp_true;
+ bool ok;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+
+ if (tmp_ctx == NULL) {
+ ldb_debug(ldb, LDB_DEBUG_FATAL,
+ "Error: talloc_new() failed");
+ goto err_op;
+ }
+
+ if (ldif->changetype != LDB_CHANGETYPE_MODRDN) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: invalid changetype '%d'",
+ ldif->changetype);
+ goto err_other;
+ }
+
+ if (msg->num_elements < 2) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: num_elements[%u] < 2",
+ msg->num_elements);
+ goto err_other;
+ }
+
+ if (msg->num_elements > 3) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: num_elements[%u] > 3",
+ msg->num_elements);
+ goto err_other;
+ }
+
+#define CHECK_ELEMENT(i, _name, v, needed) do { \
+ v = NULL; \
+ if (msg->num_elements < (i + 1)) { \
+ if (needed) { \
+ ldb_debug(ldb, LDB_DEBUG_ERROR, \
+ "Error: num_elements[%u] < (%u + 1)", \
+ msg->num_elements, i); \
+ goto err_other; \
+ } \
+ } else if (ldb_attr_cmp(msg->elements[i].name, _name) != 0) { \
+ ldb_debug(ldb, LDB_DEBUG_ERROR, \
+ "Error: elements[%u].name[%s] != [%s]", \
+ i, msg->elements[i].name, _name); \
+ goto err_other; \
+ } else if (msg->elements[i].flags != 0) { \
+ ldb_debug(ldb, LDB_DEBUG_ERROR, \
+ "Error: elements[%u].flags[0x%X} != [0x0]", \
+ i, msg->elements[i].flags); \
+ goto err_other; \
+ } else if (msg->elements[i].num_values != 1) { \
+ ldb_debug(ldb, LDB_DEBUG_ERROR, \
+ "Error: elements[%u].num_values[%u] != 1", \
+ i, msg->elements[i].num_values); \
+ goto err_other; \
+ } else { \
+ v = &msg->elements[i].values[0]; \
+ } \
+} while (0)
+
+ CHECK_ELEMENT(0, "newrdn", newrdn_val, true);
+ CHECK_ELEMENT(1, "deleteoldrdn", deleteoldrdn_val, true);
+ CHECK_ELEMENT(2, "newsuperior", newsuperior_val, false);
+
+#undef CHECK_ELEMENT
+
+ olddn = ldb_dn_copy(tmp_ctx, msg->dn);
+ if (olddn == NULL) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: failed to copy olddn '%s'",
+ ldb_dn_get_linearized(msg->dn));
+ goto err_op;
+ }
+
+ newrdn = ldb_dn_from_ldb_val(tmp_ctx, ldb, newrdn_val);
+ if (!ldb_dn_validate(newrdn)) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: Unable to parse dn '%s'",
+ (char *)newrdn_val->data);
+ goto err_dn;
+ }
+
+ tmp_false.length = 1;
+ tmp_false.data = discard_const_p(uint8_t, "0");
+ tmp_true.length = 1;
+ tmp_true.data = discard_const_p(uint8_t, "1");
+ if (ldb_val_equal_exact(deleteoldrdn_val, &tmp_false) == 1) {
+ deleteoldrdn = false;
+ } else if (ldb_val_equal_exact(deleteoldrdn_val, &tmp_true) == 1) {
+ deleteoldrdn = true;
+ } else {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: deleteoldrdn value invalid '%s' not '0'/'1'",
+ (char *)deleteoldrdn_val->data);
+ goto err_attr;
+ }
+
+ if (newsuperior_val) {
+ newsuperior = ldb_dn_from_ldb_val(tmp_ctx, ldb, newsuperior_val);
+ if (!ldb_dn_validate(newsuperior)) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: Unable to parse dn '%s'",
+ (char *)newsuperior_val->data);
+ goto err_dn;
+ }
+ } else {
+ newsuperior = ldb_dn_get_parent(tmp_ctx, msg->dn);
+ if (newsuperior == NULL) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: Unable to get parent dn '%s'",
+ ldb_dn_get_linearized(msg->dn));
+ goto err_dn;
+ }
+ }
+
+ newdn = ldb_dn_copy(tmp_ctx, newrdn);
+ if (newdn == NULL) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: failed to copy newrdn '%s'",
+ ldb_dn_get_linearized(newrdn));
+ goto err_op;
+ }
+
+ ok = ldb_dn_add_base(newdn, newsuperior);
+ if (!ok) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: failed to base '%s' to newdn '%s'",
+ ldb_dn_get_linearized(newsuperior),
+ ldb_dn_get_linearized(newdn));
+ goto err_op;
+ }
+
+ if (_olddn) {
+ *_olddn = talloc_move(mem_ctx, &olddn);
+ }
+ if (_newrdn) {
+ *_newrdn = talloc_move(mem_ctx, &newrdn);
+ }
+ if (_deleteoldrdn) {
+ *_deleteoldrdn = deleteoldrdn;
+ }
+ if (_newsuperior) {
+ if (newsuperior_val) {
+ *_newrdn = talloc_move(mem_ctx, &newrdn);
+ } else {
+ *_newrdn = NULL;
+ }
+ }
+ if (_newdn) {
+ *_newdn = talloc_move(mem_ctx, &newdn);
+ }
+
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+err_other:
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OTHER;
+err_op:
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+err_attr:
+ talloc_free(tmp_ctx);
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+err_dn:
+ talloc_free(tmp_ctx);
+ return LDB_ERR_INVALID_DN_SYNTAX;
+}
+
/*
read from a LDIF source, creating a ldb_message
*/
@@ -682,6 +871,16 @@ struct ldb_ldif *ldb_ldif_read(struct ldb_context *ldb,
}
}
+ if (ldif->changetype == LDB_CHANGETYPE_MODRDN) {
+ int ret;
+
+ ret = ldb_ldif_parse_modrdn(ldb, ldif, ldif,
+ NULL, NULL, NULL, NULL, NULL);
+ if (ret != LDB_SUCCESS) {
+ goto failed;
+ }
+ }
+
return ldif;
failed:
diff --git a/source4/lib/ldb/include/ldb.h b/source4/lib/ldb/include/ldb.h
index f5d5940ae3..d745f377b6 100644
--- a/source4/lib/ldb/include/ldb.h
+++ b/source4/lib/ldb/include/ldb.h
@@ -183,7 +183,8 @@ enum ldb_changetype {
LDB_CHANGETYPE_NONE=0,
LDB_CHANGETYPE_ADD,
LDB_CHANGETYPE_DELETE,
- LDB_CHANGETYPE_MODIFY
+ LDB_CHANGETYPE_MODIFY,
+ LDB_CHANGETYPE_MODRDN
};
/**
@@ -1621,6 +1622,31 @@ struct ldb_ldif *ldb_ldif_read_file(struct ldb_context *ldb, FILE *f);
struct ldb_ldif *ldb_ldif_read_string(struct ldb_context *ldb, const char **s);
/**
+ Parse a modrdn LDIF message from a struct ldb_message
+
+ \param ldb the ldb context (from ldb_init())
+ \param ldif the preparsed LDIF chunk (from ldb_ldif_read())
+
+ \param mem_ctx the memory context that's used for return values
+
+ \param olddn the old dn as struct ldb_dn, if not needed pass NULL
+ \param newrdn the new rdn as struct ldb_dn, if not needed pass NULL
+ \param deleteoldrdn the deleteoldrdn value as bool, if not needed pass NULL
+ \param newsuperior the newsuperior dn as struct ldb_dn, if not needed pass NULL
+ *newsuperior can be NULL as it is optional in the LDIF
+ \param newdn the full constructed new dn as struct ldb_dn, if not needed pass NULL
+
+*/
+int ldb_ldif_parse_modrdn(struct ldb_context *ldb,
+ const struct ldb_ldif *ldif,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn **olddn,
+ struct ldb_dn **newrdn,
+ bool *deleteoldrdn,
+ struct ldb_dn **newsuperior,
+ struct ldb_dn **newdn);
+
+/**
Write an LDIF message to a file
\param ldb the ldb context (from ldb_init())
generated by cgit (git 2.34.1) at 2024-12-18 15:06:23 +0000