SYSDB: New source file for sysdb upgrade routines

1 files changed, 12 insertions, 888 deletions

diff --git a/src/db/sysdb.c b/src/db/sysdb.c
index 1a326030c..54a4257c6 100644
--- a/src/db/sysdb.c
+++ b/src/db/sysdb.c
@@ -3,7 +3,8 @@
 
    System Database
 
-   Copyright (C) Simo Sorce <ssorce@redhat.com> 2008
+   Copyright (C) 2008-2011 Simo Sorce <ssorce@redhat.com>
+   Copyright (C) 2008-2011 Stephen Gallagher <ssorce@redhat.com>
 
    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
@@ -27,8 +28,8 @@
 
 #define LDB_MODULES_PATH "LDB_MODULES_PATH"
 
-static errno_t sysdb_ldb_connect(TALLOC_CTX *mem_ctx, const char *filename,
-                           struct ldb_context **_ldb)
+errno_t sysdb_ldb_connect(TALLOC_CTX *mem_ctx, const char *filename,
+                          struct ldb_context **_ldb)
 {
     int ret;
     struct ldb_context *ldb;
@@ -772,15 +773,9 @@ int sysdb_transaction_cancel(struct sysdb_ctx *sysdb)
 
 /* =Initialization======================================================== */
 
-static int sysdb_domain_init_internal(TALLOC_CTX *mem_ctx,
-                                      struct sss_domain_info *domain,
-                                      const char *db_path,
-                                      bool allow_upgrade,
-                                      struct sysdb_ctx **_ctx);
-
-static int sysdb_get_db_file(TALLOC_CTX *mem_ctx,
-                             const char *provider, const char *name,
-                             const char *base_path, char **_ldb_file)
+int sysdb_get_db_file(TALLOC_CTX *mem_ctx,
+                      const char *provider, const char *name,
+                      const char *base_path, char **_ldb_file)
 {
     char *ldb_file;
 
@@ -800,882 +795,11 @@ static int sysdb_get_db_file(TALLOC_CTX *mem_ctx,
     return EOK;
 }
 
-static int finish_upgrade(int result, struct ldb_context *ldb,
-                          const char *next_ver, const char **ver)
-{
-    int ret = result;
-
-    if (ret == EOK) {
-        ret = ldb_transaction_commit(ldb);
-        ret = sysdb_error_to_errno(ret);
-        if (ret == EOK) {
-            *ver = next_ver;
-        }
-    }
-
-    if (ret != EOK) {
-        ret = ldb_transaction_cancel(ldb);
-        ret = sysdb_error_to_errno(ret);
-    }
-
-    return ret;
-}
-
-/* serach all groups that have a memberUid attribute.
- * change it into a member attribute for a user of same domain.
- * remove the memberUid attribute
- * add the new member attribute
- * finally stop indexing memberUid
- * upgrade version to 0.2
- */
-static int sysdb_upgrade_01(struct ldb_context *ldb,
-                            const char **ver)
-{
-    struct ldb_message_element *el;
-    struct ldb_result *res;
-    struct ldb_dn *basedn;
-    struct ldb_dn *mem_dn;
-    struct ldb_message *msg;
-    const struct ldb_val *val;
-    const char *filter = "(&(memberUid=*)(objectclass=group))";
-    const char *attrs[] = { "memberUid", NULL };
-    const char *mdn;
-    char *domain;
-    int ret, i, j;
-    TALLOC_CTX *tmp_ctx;
-
-    tmp_ctx = talloc_new(NULL);
-    if (!tmp_ctx) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    basedn = ldb_dn_new(tmp_ctx, ldb, SYSDB_BASE);
-    if (!basedn) {
-        ret = EIO;
-        goto done;
-    }
-
-    ret = ldb_search(ldb, tmp_ctx, &res,
-                     basedn, LDB_SCOPE_SUBTREE,
-                     attrs, filter);
-    if (ret != LDB_SUCCESS) {
-        ret = EIO;
-        goto done;
-    }
-
-    ret = ldb_transaction_start(ldb);
-    if (ret != LDB_SUCCESS) {
-        ret = EIO;
-        goto done;
-    }
-
-    for (i = 0; i < res->count; i++) {
-        el = ldb_msg_find_element(res->msgs[i], "memberUid");
-        if (!el) {
-            DEBUG(1, ("memberUid is missing from message [%s], skipping\n",
-                      ldb_dn_get_linearized(res->msgs[i]->dn)));
-            continue;
-        }
-
-        /* create modification message */
-        msg = ldb_msg_new(tmp_ctx);
-        if (!msg) {
-            ret = ENOMEM;
-            goto done;
-        }
-        msg->dn = res->msgs[i]->dn;
-
-        ret = ldb_msg_add_empty(msg, "memberUid", LDB_FLAG_MOD_DELETE, NULL);
-        if (ret != LDB_SUCCESS) {
-            ret = ENOMEM;
-            goto done;
-        }
-
-        ret = ldb_msg_add_empty(msg, SYSDB_MEMBER, LDB_FLAG_MOD_ADD, NULL);
-        if (ret != LDB_SUCCESS) {
-            ret = ENOMEM;
-            goto done;
-        }
-
-        /* get domain name component value */
-        val = ldb_dn_get_component_val(res->msgs[i]->dn, 2);
-        domain = talloc_strndup(tmp_ctx, (const char *)val->data, val->length);
-        if (!domain) {
-            ret = ENOMEM;
-            goto done;
-        }
-
-        for (j = 0; j < el->num_values; j++) {
-            mem_dn = ldb_dn_new_fmt(tmp_ctx, ldb, SYSDB_TMPL_USER,
-                                    (const char *)el->values[j].data, domain);
-            if (!mem_dn) {
-                ret = ENOMEM;
-                goto done;
-            }
-
-            mdn = talloc_strdup(msg, ldb_dn_get_linearized(mem_dn));
-            if (!mdn) {
-                ret = ENOMEM;
-                goto done;
-            }
-            ret = ldb_msg_add_string(msg, SYSDB_MEMBER, mdn);
-            if (ret != LDB_SUCCESS) {
-                ret = ENOMEM;
-                goto done;
-            }
-
-            talloc_zfree(mem_dn);
-        }
-
-        /* ok now we are ready to modify the entry */
-        ret = ldb_modify(ldb, msg);
-        if (ret != LDB_SUCCESS) {
-            ret = sysdb_error_to_errno(ret);
-            goto done;
-        }
-
-        talloc_zfree(msg);
-    }
-
-    /* conversion done, upgrade version number */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, ldb, SYSDB_BASE);
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_msg_add_empty(msg, "version", LDB_FLAG_MOD_REPLACE, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-    ret = ldb_msg_add_string(msg, "version", SYSDB_VERSION_0_2);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_modify(ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    ret = EOK;
-
-done:
-    ret = finish_upgrade(ret, ldb, SYSDB_VERSION_0_2, ver);
-    talloc_free(tmp_ctx);
-    return ret;
-}
-
-static int sysdb_check_upgrade_02(struct sss_domain_info *domains,
-                                  const char *db_path)
-{
-    TALLOC_CTX *tmp_ctx = NULL;
-    struct ldb_context *ldb;
-    char *ldb_file;
-    struct sysdb_ctx *sysdb;
-    struct sss_domain_info *dom;
-    struct ldb_message_element *el;
-    struct ldb_message *msg;
-    struct ldb_result *res;
-    struct ldb_dn *verdn;
-    const char *version = NULL;
-    bool do_02_upgrade = false;
-    bool ctx_trans = false;
-    int ret;
-
-    tmp_ctx = talloc_new(NULL);
-    if (!tmp_ctx) {
-        return ENOMEM;
-    }
-
-    ret = sysdb_get_db_file(tmp_ctx,
-                            "local", "UPGRADE",
-                            db_path, &ldb_file);
-    if (ret != EOK) {
-        goto exit;
-    }
-
-    ret = sysdb_ldb_connect(tmp_ctx, ldb_file, &ldb);
-    if (ret != EOK) {
-        DEBUG(1, ("sysdb_ldb_connect failed.\n"));
-        return ret;
-    }
-
-    verdn = ldb_dn_new(tmp_ctx, ldb, SYSDB_BASE);
-    if (!verdn) {
-        ret = EIO;
-        goto exit;
-    }
-
-    ret = ldb_search(ldb, tmp_ctx, &res,
-                     verdn, LDB_SCOPE_BASE,
-                     NULL, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = EIO;
-        goto exit;
-    }
-    if (res->count > 1) {
-        ret = EIO;
-        goto exit;
-    }
-
-    if (res->count == 1) {
-        el = ldb_msg_find_element(res->msgs[0], "version");
-        if (el) {
-            if (el->num_values != 1) {
-                ret = EINVAL;
-                goto exit;
-            }
-            version = talloc_strndup(tmp_ctx,
-                                     (char *)(el->values[0].data),
-                                     el->values[0].length);
-            if (!version) {
-                ret = ENOMEM;
-                goto exit;
-            }
-
-            if (strcmp(version, SYSDB_VERSION) == 0) {
-                /* all fine, return */
-                ret = EOK;
-                goto exit;
-            }
-
-            DEBUG(4, ("Upgrading DB from version: %s\n", version));
-
-            if (strcmp(version, SYSDB_VERSION_0_1) == 0) {
-                /* convert database */
-                ret = sysdb_upgrade_01(ldb, &version);
-                if (ret != EOK) goto exit;
-            }
-
-            if (strcmp(version, SYSDB_VERSION_0_2) == 0) {
-                /* need to convert database to split files */
-                do_02_upgrade = true;
-            }
-
-        }
-    }
-
-    if (!do_02_upgrade) {
-        /* not a v2 upgrade, return and let the normal code take over any
-        * further upgrade */
-        ret = EOK;
-        goto exit;
-    }
-
-    /* == V2->V3 UPGRADE == */
-
-    DEBUG(0, ("UPGRADING DB TO VERSION %s\n", SYSDB_VERSION_0_3));
-
-    /* ldb uses posix locks,
-     * posix is stupid and kills all locks when you close *any* file
-     * descriptor associated to the same file.
-     * Therefore we must close and reopen the ldb file here */
-
-    /* == Backup and reopen ldb == */
-
-    /* close */
-    talloc_zfree(ldb);
-
-    /* backup*/
-    ret = backup_file(ldb_file, 0);
-    if (ret != EOK) {
-        goto exit;
-    }
-
-    /* reopen */
-    ret = sysdb_ldb_connect(tmp_ctx, ldb_file, &ldb);
-    if (ret != EOK) {
-        DEBUG(1, ("sysdb_ldb_connect failed.\n"));
-        return ret;
-    }
-
-    /* open a transaction */
-    ret = ldb_transaction_start(ldb);
-    if (ret != LDB_SUCCESS) {
-        DEBUG(1, ("Failed to start ldb transaction! (%d)\n", ret));
-        ret = EIO;
-        goto exit;
-    }
-
-    /* == Upgrade contents == */
-
-    for (dom = domains; dom; dom = dom->next) {
-        struct ldb_dn *domain_dn;
-        struct ldb_dn *users_dn;
-        struct ldb_dn *groups_dn;
-        int i;
-
-        /* skip local */
-        if (strcasecmp(dom->provider, "local") == 0) {
-            continue;
-        }
-
-        /* create new dom db */
-        ret = sysdb_domain_init_internal(tmp_ctx, dom,
-                                         db_path, false, &sysdb);
-        if (ret != EOK) {
-            goto done;
-        }
-
-        ret = ldb_transaction_start(sysdb->ldb);
-        if (ret != LDB_SUCCESS) {
-            DEBUG(1, ("Failed to start ldb transaction! (%d)\n", ret));
-            ret = EIO;
-            goto done;
-        }
-        ctx_trans = true;
-
-        /* search all entries for this domain in local,
-         * copy them all in the new database,
-         * then remove them from local */
-
-        domain_dn = ldb_dn_new_fmt(tmp_ctx, sysdb->ldb,
-                                   SYSDB_DOM_BASE, sysdb->domain->name);
-        if (!domain_dn) {
-            ret = ENOMEM;
-            goto done;
-        }
-
-        ret = ldb_search(ldb, tmp_ctx, &res,
-                         domain_dn, LDB_SCOPE_SUBTREE,
-                         NULL, NULL);
-        if (ret != LDB_SUCCESS) {
-            ret = EIO;
-            goto done;
-        }
-
-        users_dn = ldb_dn_new_fmt(tmp_ctx, sysdb->ldb,
-                                 SYSDB_TMPL_USER_BASE, sysdb->domain->name);
-        if (!users_dn) {
-            ret = ENOMEM;
-            goto done;
-        }
-        groups_dn = ldb_dn_new_fmt(tmp_ctx, sysdb->ldb,
-                                   SYSDB_TMPL_GROUP_BASE, sysdb->domain->name);
-        if (!groups_dn) {
-            ret = ENOMEM;
-            goto done;
-        }
-
-        for (i = 0; i < res->count; i++) {
-
-            struct ldb_dn *orig_dn;
-
-            msg = res->msgs[i];
-
-            /* skip pre-created congtainers */
-            if ((ldb_dn_compare(msg->dn, domain_dn) == 0) ||
-                (ldb_dn_compare(msg->dn, users_dn) == 0) ||
-                (ldb_dn_compare(msg->dn, groups_dn) == 0)) {
-                continue;
-            }
-
-            /* regenerate the DN against the new ldb as it may have different
-             * casefolding rules (example: name changing from case insensitive
-             * to case sensitive) */
-            orig_dn = msg->dn;
-            msg->dn = ldb_dn_new(msg, sysdb->ldb,
-                                 ldb_dn_get_linearized(orig_dn));
-            if (!msg->dn) {
-                ret = ENOMEM;
-                goto done;
-            }
-
-            ret = ldb_add(sysdb->ldb, msg);
-            if (ret != LDB_SUCCESS) {
-                DEBUG(0, ("WARNING: Could not add entry %s,"
-                          " to new ldb file! (%d [%s])\n",
-                          ldb_dn_get_linearized(msg->dn),
-                          ret, ldb_errstring(sysdb->ldb)));
-            }
-
-            ret = ldb_delete(ldb, orig_dn);
-            if (ret != LDB_SUCCESS) {
-                DEBUG(0, ("WARNING: Could not remove entry %s,"
-                          " from old ldb file! (%d [%s])\n",
-                          ldb_dn_get_linearized(orig_dn),
-                          ret, ldb_errstring(ldb)));
-            }
-        }
-
-        /* now remove the basic containers from local */
-        /* these were optional so debug at level 9 in case
-         * of failure just for tracing */
-        ret = ldb_delete(ldb, groups_dn);
-        if (ret != LDB_SUCCESS) {
-            DEBUG(9, ("WARNING: Could not remove entry %s,"
-                      " from old ldb file! (%d [%s])\n",
-                      ldb_dn_get_linearized(groups_dn),
-                      ret, ldb_errstring(ldb)));
-        }
-        ret = ldb_delete(ldb, users_dn);
-        if (ret != LDB_SUCCESS) {
-            DEBUG(9, ("WARNING: Could not remove entry %s,"
-                      " from old ldb file! (%d [%s])\n",
-                      ldb_dn_get_linearized(users_dn),
-                      ret, ldb_errstring(ldb)));
-        }
-        ret = ldb_delete(ldb, domain_dn);
-        if (ret != LDB_SUCCESS) {
-            DEBUG(9, ("WARNING: Could not remove entry %s,"
-                      " from old ldb file! (%d [%s])\n",
-                      ldb_dn_get_linearized(domain_dn),
-                      ret, ldb_errstring(ldb)));
-        }
-
-        ret = ldb_transaction_commit(sysdb->ldb);
-        if (ret != LDB_SUCCESS) {
-            DEBUG(1, ("Failed to commit ldb transaction! (%d)\n", ret));
-            ret = EIO;
-            goto done;
-        }
-        ctx_trans = false;
-
-        talloc_zfree(domain_dn);
-        talloc_zfree(groups_dn);
-        talloc_zfree(users_dn);
-        talloc_zfree(res);
-    }
-
-    /* conversion done, upgrade version number */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, ldb, SYSDB_BASE);
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_msg_add_empty(msg, "version", LDB_FLAG_MOD_REPLACE, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-    ret = ldb_msg_add_string(msg, "version", SYSDB_VERSION_0_3);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_modify(ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    ret = ldb_transaction_commit(ldb);
-    if (ret != LDB_SUCCESS) {
-        DEBUG(1, ("Failed to commit ldb transaction! (%d)\n", ret));
-        ret = EIO;
-        goto exit;
-    }
-
-    ret = EOK;
-
-done:
-    if (ret != EOK) {
-        if (ctx_trans) {
-            ret = ldb_transaction_cancel(sysdb->ldb);
-            if (ret != LDB_SUCCESS) {
-                DEBUG(1, ("Failed to cancel ldb transaction! (%d)\n", ret));
-            }
-        }
-        ret = ldb_transaction_cancel(ldb);
-        if (ret != LDB_SUCCESS) {
-            DEBUG(1, ("Failed to cancel ldb transaction! (%d)\n", ret));
-        }
-    }
-
-exit:
-    talloc_free(tmp_ctx);
-    return ret;
-}
-
-static int sysdb_upgrade_03(struct sysdb_ctx *sysdb, const char **ver)
-{
-    TALLOC_CTX *tmp_ctx;
-    int ret;
-    struct ldb_message *msg;
-
-    tmp_ctx = talloc_new(NULL);
-    if (!tmp_ctx) {
-        return ENOMEM;
-    }
-
-    DEBUG(0, ("UPGRADING DB TO VERSION %s\n", SYSDB_VERSION_0_4));
-
-    ret = ldb_transaction_start(sysdb->ldb);
-    if (ret != LDB_SUCCESS) {
-        ret = EIO;
-        goto done;
-    }
-
-    /* Make this database case-sensitive */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, sysdb->ldb, "@ATTRIBUTES");
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_msg_add_empty(msg, "name", LDB_FLAG_MOD_DELETE, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_modify(sysdb->ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    /* conversion done, upgrade version number */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, sysdb->ldb, SYSDB_BASE);
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_msg_add_empty(msg, "version", LDB_FLAG_MOD_REPLACE, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-    ret = ldb_msg_add_string(msg, "version", SYSDB_VERSION_0_4);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_modify(sysdb->ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    ret = EOK;
-
-done:
-    ret = finish_upgrade(ret, sysdb->ldb, SYSDB_VERSION_0_4, ver);
-    talloc_free(tmp_ctx);
-    return ret;
-}
-
-static int sysdb_upgrade_04(struct sysdb_ctx *sysdb, const char **ver)
-{
-    TALLOC_CTX *tmp_ctx;
-    int ret;
-    struct ldb_message *msg;
-
-    tmp_ctx = talloc_new(NULL);
-    if (!tmp_ctx) {
-        return ENOMEM;
-    }
-
-    DEBUG(0, ("UPGRADING DB TO VERSION %s\n", SYSDB_VERSION_0_5));
-
-    ret = ldb_transaction_start(sysdb->ldb);
-    if (ret != LDB_SUCCESS) {
-        ret = EIO;
-        goto done;
-    }
-
-    /* Add new index */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, sysdb->ldb, "@INDEXLIST");
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_msg_add_empty(msg, "@IDXATTR", LDB_FLAG_MOD_ADD, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-    ret = ldb_msg_add_string(msg, "@IDXATTR", "originalDN");
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_modify(sysdb->ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    /* Rebuild memberuid and memberoif attributes */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, sysdb->ldb, "@MEMBEROF-REBUILD");
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_add(sysdb->ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    /* conversion done, upgrade version number */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, sysdb->ldb, SYSDB_BASE);
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_msg_add_empty(msg, "version", LDB_FLAG_MOD_REPLACE, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-    ret = ldb_msg_add_string(msg, "version", SYSDB_VERSION_0_5);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_modify(sysdb->ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    ret = EOK;
-
-done:
-    ret = finish_upgrade(ret, sysdb->ldb, SYSDB_VERSION_0_5, ver);
-    talloc_free(tmp_ctx);
-    return ret;
-}
-
-static int sysdb_upgrade_05(struct sysdb_ctx *sysdb, const char **ver)
-{
-    TALLOC_CTX *tmp_ctx;
-    int ret;
-    struct ldb_message *msg;
-
-    tmp_ctx = talloc_new(NULL);
-    if (!tmp_ctx) {
-        return ENOMEM;
-    }
-
-    DEBUG(0, ("UPGRADING DB TO VERSION %s\n", SYSDB_VERSION_0_6));
-
-    ret = ldb_transaction_start(sysdb->ldb);
-    if (ret != LDB_SUCCESS) {
-        ret = EIO;
-        goto done;
-    }
-
-    /* Add new indexes */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, sysdb->ldb, "@INDEXLIST");
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    /* Add Index for dataExpireTimestamp */
-    ret = ldb_msg_add_empty(msg, "@IDXATTR", LDB_FLAG_MOD_ADD, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-    ret = ldb_msg_add_string(msg, "@IDXATTR", "dataExpireTimestamp");
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    /* Add index to speed up ONELEVEL searches */
-    ret = ldb_msg_add_empty(msg, "@IDXONE", LDB_FLAG_MOD_ADD, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-    ret = ldb_msg_add_string(msg, "@IDXONE", "1");
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_modify(sysdb->ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    /* conversion done, upgrade version number */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, sysdb->ldb, SYSDB_BASE);
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_msg_add_empty(msg, "version", LDB_FLAG_MOD_REPLACE, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-    ret = ldb_msg_add_string(msg, "version", SYSDB_VERSION_0_6);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_modify(sysdb->ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    ret = EOK;
-
-done:
-    ret = finish_upgrade(ret, sysdb->ldb, SYSDB_VERSION_0_6, ver);
-    talloc_free(tmp_ctx);
-    return ret;
-}
-
-static int sysdb_upgrade_06(struct sysdb_ctx *sysdb, const char **ver)
-{
-    TALLOC_CTX *tmp_ctx;
-    int ret;
-    struct ldb_message *msg;
-
-    tmp_ctx = talloc_new(NULL);
-    if (!tmp_ctx) {
-        return ENOMEM;
-    }
-
-    DEBUG(0, ("UPGRADING DB TO VERSION %s\n", SYSDB_VERSION_0_7));
-
-    ret = ldb_transaction_start(sysdb->ldb);
-    if (ret != LDB_SUCCESS) {
-        ret = EIO;
-        goto done;
-    }
-
-    /* Add new indexes */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, sysdb->ldb, "@ATTRIBUTES");
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    /* Case insensitive search for originalDN */
-    ret = ldb_msg_add_empty(msg, SYSDB_ORIG_DN, LDB_FLAG_MOD_ADD, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-    ret = ldb_msg_add_string(msg, SYSDB_ORIG_DN, "CASE_INSENSITIVE");
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_modify(sysdb->ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    /* conversion done, upgrade version number */
-    msg = ldb_msg_new(tmp_ctx);
-    if (!msg) {
-        ret = ENOMEM;
-        goto done;
-    }
-    msg->dn = ldb_dn_new(tmp_ctx, sysdb->ldb, "cn=sysdb");
-    if (!msg->dn) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_msg_add_empty(msg, "version", LDB_FLAG_MOD_REPLACE, NULL);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-    ret = ldb_msg_add_string(msg, "version", SYSDB_VERSION_0_7);
-    if (ret != LDB_SUCCESS) {
-        ret = ENOMEM;
-        goto done;
-    }
-
-    ret = ldb_modify(sysdb->ldb, msg);
-    if (ret != LDB_SUCCESS) {
-        ret = sysdb_error_to_errno(ret);
-        goto done;
-    }
-
-    ret = EOK;
-
-done:
-    ret = finish_upgrade(ret, sysdb->ldb, SYSDB_VERSION_0_7, ver);
-    talloc_free(tmp_ctx);
-    return ret;
-}
-
-static int sysdb_domain_init_internal(TALLOC_CTX *mem_ctx,
-                                      struct sss_domain_info *domain,
-                                      const char *db_path,
-                                      bool allow_upgrade,
-                                      struct sysdb_ctx **_ctx)
+int sysdb_domain_init_internal(TALLOC_CTX *mem_ctx,
+                               struct sss_domain_info *domain,
+                               const char *db_path,
+                               bool allow_upgrade,
+                               struct sysdb_ctx **_ctx)
 {
     TALLOC_CTX *tmp_ctx = NULL;
     struct sysdb_ctx *sysdb;