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-rw-r--r--src/db/sysdb_ops.c228
1 files changed, 153 insertions, 75 deletions
diff --git a/src/db/sysdb_ops.c b/src/db/sysdb_ops.c
index 5b7dba3d..2d2244bb 100644
--- a/src/db/sysdb_ops.c
+++ b/src/db/sysdb_ops.c
@@ -866,9 +866,16 @@ int sysdb_add_user(struct sysdb_ctx *sysdb,
{
TALLOC_CTX *tmp_ctx;
struct ldb_message *msg;
+ struct ldb_message **groups;
+ struct ldb_message_element *alias_el;
+ size_t group_count = 0;
struct sysdb_attrs *id_attrs;
+ const char *group_attrs[] = {SYSDB_NAME, SYSDB_GHOST, NULL};
+ struct ldb_dn *tmpdn;
+ const char *userdn;
+ char *filter;
uint32_t id;
- int ret;
+ int ret, i, j;
struct sss_domain_info *domain = sysdb->domain;
@@ -977,83 +984,112 @@ int sysdb_add_user(struct sysdb_ctx *sysdb,
ret = sysdb_set_user_attr(sysdb, name, attrs, SYSDB_MOD_REP);
-done:
- if (ret == EOK) {
- ret = ldb_transaction_commit(sysdb->ldb);
- ret = sysdb_error_to_errno(ret);
- } else {
- DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret)));
- ldb_transaction_cancel(sysdb->ldb);
+ /* remove all ghost users */
+ filter = talloc_asprintf(tmp_ctx, "(|(%s=%s)", SYSDB_GHOST, name);
+ if (!filter) {
+ ret = ENOMEM;
+ goto done;
+ }
+ ret = sysdb_attrs_get_el(attrs, SYSDB_NAME_ALIAS, &alias_el);
+ if (ret != EOK) {
+ goto done;
}
- talloc_zfree(tmp_ctx);
- return ret;
-}
-
-int sysdb_add_fake_user(struct sysdb_ctx *sysdb,
- const char *name,
- const char *original_dn,
- time_t now)
-{
- TALLOC_CTX *tmp_ctx;
- struct ldb_message *msg;
- int ret;
- tmp_ctx = talloc_new(NULL);
- if (!tmp_ctx) {
- return ENOMEM;
+ for (i = 0; i < alias_el->num_values; i++) {
+ filter = talloc_asprintf_append(filter, "(%s=%s)",
+ SYSDB_GHOST, alias_el->values[i].data);
+ if (filter == NULL) {
+ ret = ENOMEM;
+ goto done;
+ }
}
- msg = ldb_msg_new(tmp_ctx);
- if (!msg) {
- ERROR_OUT(ret, ENOMEM, done);
+ filter = talloc_asprintf_append(filter, ")");
+ if (filter == NULL) {
+ ret = ENOMEM;
+ goto done;
}
- /* user dn */
- msg->dn = sysdb_user_dn(sysdb, msg, sysdb->domain->name, name);
- if (!msg->dn) {
+ tmpdn = sysdb_user_dn(sysdb, tmp_ctx, sysdb->domain->name, name);
+ if (!tmpdn) {
ERROR_OUT(ret, ENOMEM, done);
}
- ret = add_string(msg, LDB_FLAG_MOD_ADD, SYSDB_OBJECTCLASS, SYSDB_USER_CLASS);
- if (ret) goto done;
+ userdn = ldb_dn_get_linearized(tmpdn);
+ if (!userdn) {
+ ERROR_OUT(ret, EINVAL, done);
+ }
- ret = add_string(msg, LDB_FLAG_MOD_ADD, SYSDB_NAME, name);
- if (ret) goto done;
+ tmpdn = ldb_dn_new_fmt(tmp_ctx, sysdb->ldb,
+ SYSDB_TMPL_GROUP_BASE, sysdb->domain->name);
+ if (!tmpdn) {
+ ret = ENOMEM;
+ goto done;
+ }
- if (!now) {
- now = time(NULL);
+ /* We need to find all groups that contain this object as a ghost user
+ * and replace the ghost user there by actual member record
+ * Note that this object can be referred to either by its name or any
+ * of its aliases
+ */
+ ret = sysdb_search_entry(tmp_ctx, sysdb, tmpdn, LDB_SCOPE_SUBTREE, filter,
+ group_attrs, &group_count, &groups);
+ if (ret != EOK && ret != ENOENT) {
+ goto done;
}
- ret = add_ulong(msg, LDB_FLAG_MOD_ADD, SYSDB_CREATE_TIME,
- (unsigned long) now);
- if (ret) goto done;
+ for (i = 0; i < group_count; i++) {
+ msg = ldb_msg_new(tmp_ctx);
+ if (!msg) {
+ ERROR_OUT(ret, ENOMEM, done);
+ }
- /* set last login so that the fake entry does not get cleaned up
- * immediately */
- ret = add_ulong(msg, LDB_FLAG_MOD_ADD, SYSDB_LAST_LOGIN,
- (unsigned long) now);
- if (ret) return ret;
+ msg->dn = groups[i]->dn;
+ ret = ldb_msg_add_empty(msg, SYSDB_MEMBER, SYSDB_MOD_ADD, NULL);
+ if (ret != LDB_SUCCESS) {
+ ERROR_OUT(ret, ENOMEM, done);
+ }
- ret = add_ulong(msg, LDB_FLAG_MOD_ADD, SYSDB_LAST_UPDATE,
- (unsigned long) now);
- if (ret) goto done;
+ ret = ldb_msg_add_fmt(msg, SYSDB_MEMBER, "%s", userdn);
+ if (ret != LDB_SUCCESS) {
+ ERROR_OUT(ret, EINVAL, done);
+ }
- ret = add_ulong(msg, LDB_FLAG_MOD_ADD, SYSDB_CACHE_EXPIRE,
- (unsigned long) now-1);
- if (ret) goto done;
+ ret = ldb_msg_add_empty(msg, SYSDB_GHOST, SYSDB_MOD_DEL, NULL);
+ if (ret != LDB_SUCCESS) {
+ ERROR_OUT(ret, ENOMEM, done);
+ }
+ ret = ldb_msg_add_fmt(msg, SYSDB_GHOST, "%s", name);
+ if (ret != LDB_SUCCESS) {
+ ERROR_OUT(ret, EINVAL, done);
+ }
+ /* Delete aliases from the ghost attribute as well */
+ for (j = 0; j < alias_el->num_values; j++) {
+ ret = ldb_msg_add_fmt(msg, SYSDB_GHOST, "%s",
+ (char *)alias_el->values[j].data);
+ if (ret != LDB_SUCCESS) {
+ ERROR_OUT(ret, EINVAL, done);
+ }
+ }
- if (original_dn) {
- ret = add_string(msg, LDB_FLAG_MOD_ADD,
- SYSDB_ORIG_DN, original_dn);
- if (ret) goto done;
+ ret = ldb_modify(sysdb->ldb, msg);
+ ret = sysdb_error_to_errno(ret);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ talloc_zfree(msg);
}
- ret = ldb_add(sysdb->ldb, msg);
- ret = sysdb_error_to_errno(ret);
+ ret = EOK;
done:
- if (ret != EOK) {
+ if (ret == EOK) {
+ ret = ldb_transaction_commit(sysdb->ldb);
+ ret = sysdb_error_to_errno(ret);
+ } else {
DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret)));
+ ldb_transaction_cancel(sysdb->ldb);
}
talloc_zfree(tmp_ctx);
return ret;
@@ -2245,8 +2281,13 @@ int sysdb_delete_user(struct sysdb_ctx *sysdb,
const char *name, uid_t uid)
{
TALLOC_CTX *tmp_ctx;
+ const char *attrs[] = {SYSDB_GHOST, NULL};
+ size_t msg_count;
+ char *filter;
+ struct ldb_message **msgs;
struct ldb_message *msg;
int ret;
+ int i;
tmp_ctx = talloc_new(NULL);
if (!tmp_ctx) {
@@ -2260,34 +2301,71 @@ int sysdb_delete_user(struct sysdb_ctx *sysdb,
ret = sysdb_search_user_by_uid(tmp_ctx, sysdb,
uid, NULL, &msg);
}
- if (ret) {
- goto fail;
- }
-
- if (name && uid) {
- /* verify name/gid match */
- const char *c_name;
- uint64_t c_uid;
+ if (ret == EOK) {
+ if (name && uid) {
+ /* verify name/gid match */
+ const char *c_name;
+ uint64_t c_uid;
+
+ c_name = ldb_msg_find_attr_as_string(msg, SYSDB_NAME, NULL);
+ c_uid = ldb_msg_find_attr_as_uint64(msg, SYSDB_UIDNUM, 0);
+ if (c_name == NULL || c_uid == 0) {
+ DEBUG(2, ("Attribute is missing but this should never happen!\n"));
+ ret = EFAULT;
+ goto fail;
+ }
+ if (strcmp(name, c_name) || uid != c_uid) {
+ /* this is not the entry we are looking for */
+ ret = EINVAL;
+ goto fail;
+ }
+ }
- c_name = ldb_msg_find_attr_as_string(msg, SYSDB_NAME, NULL);
- c_uid = ldb_msg_find_attr_as_uint64(msg, SYSDB_UIDNUM, 0);
- if (c_name == NULL || c_uid == 0) {
- DEBUG(2, ("Attribute is missing but this should never happen!\n"));
- ret = EFAULT;
+ ret = sysdb_delete_entry(sysdb, msg->dn, false);
+ if (ret) {
goto fail;
}
- if (strcmp(name, c_name) || uid != c_uid) {
- /* this is not the entry we are looking for */
- ret = EINVAL;
+ } else if (ret == ENOENT && name != NULL) {
+ /* Perhaps a ghost user? */
+ filter = talloc_asprintf(tmp_ctx, "(%s=%s)", SYSDB_GHOST, name);
+ if (filter == NULL) {
+ ret = ENOMEM;
goto fail;
}
- }
- ret = sysdb_delete_entry(sysdb, msg->dn, false);
- if (ret) {
+ ret = sysdb_search_groups(tmp_ctx, sysdb, filter, attrs, &msg_count, &msgs);
+ if (ret != EOK) {
+ goto fail;
+ }
+
+ for (i = 0; i < msg_count; i++) {
+ msg = ldb_msg_new(tmp_ctx);
+ if (!msg) {
+ ERROR_OUT(ret, ENOMEM, fail);
+ }
+
+ msg->dn = msgs[i]->dn;
+ ret = ldb_msg_add_empty(msg, SYSDB_GHOST, SYSDB_MOD_DEL, NULL);
+ if (ret != LDB_SUCCESS) {
+ ERROR_OUT(ret, ENOMEM, fail);
+ }
+ ret = ldb_msg_add_fmt(msg, SYSDB_GHOST, "%s", name);
+ if (ret != LDB_SUCCESS) {
+ ERROR_OUT(ret, EINVAL, fail);
+ }
+ ret = ldb_modify(sysdb->ldb, msg);
+ ret = sysdb_error_to_errno(ret);
+ if (ret != EOK) {
+ goto fail;
+ }
+
+ talloc_zfree(msg);
+ }
+ } else {
goto fail;
}
+
talloc_zfree(tmp_ctx);
return EOK;
generated by cgit (git 2.34.1) at 2024-05-04 06:33:40 +0000