From 73120327cc136229d56d08f7f8c5e8df4129c1e3 Mon Sep 17 00:00:00 2001
From: Simo Sorce <simo@redhat.com>
Date: Tue, 8 Jan 2013 22:33:48 -0500
Subject: Upgrade DB and move ranges into top level object

---
 src/db/sysdb.c         |   7 ++++
 src/db/sysdb_private.h |   7 +++-
 src/db/sysdb_upgrade.c | 111 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 124 insertions(+), 1 deletion(-)

diff --git a/src/db/sysdb.c b/src/db/sysdb.c
index 4127b912..2647c630 100644
--- a/src/db/sysdb.c
+++ b/src/db/sysdb.c
@@ -1129,6 +1129,13 @@ int sysdb_domain_init_internal(TALLOC_CTX *mem_ctx,
             }
         }
 
+        if (strcmp(version, SYSDB_VERSION_0_14) == 0) {
+            ret = sysdb_upgrade_14(sysdb, &version);
+            if (ret != EOK) {
+                goto done;
+            }
+        }
+
         /* The version should now match SYSDB_VERSION.
          * If not, it means we didn't match any of the
          * known older versions. The DB might be
diff --git a/src/db/sysdb_private.h b/src/db/sysdb_private.h
index 4763f03f..1e361778 100644
--- a/src/db/sysdb_private.h
+++ b/src/db/sysdb_private.h
@@ -23,6 +23,7 @@
 #ifndef __INT_SYS_DB_H__
 #define __INT_SYS_DB_H__
 
+#define SYSDB_VERSION_0_15 "0.15"
 #define SYSDB_VERSION_0_14 "0.14"
 #define SYSDB_VERSION_0_13 "0.13"
 #define SYSDB_VERSION_0_12 "0.12"
@@ -38,7 +39,7 @@
 #define SYSDB_VERSION_0_2 "0.2"
 #define SYSDB_VERSION_0_1 "0.1"
 
-#define SYSDB_VERSION SYSDB_VERSION_0_14
+#define SYSDB_VERSION SYSDB_VERSION_0_15
 
 #define SYSDB_BASE_LDIF \
      "dn: @ATTRIBUTES\n" \
@@ -74,6 +75,9 @@
      "cn: sysdb\n" \
      "version: " SYSDB_VERSION "\n" \
      "description: base object\n" \
+     "\n" \
+     "dn: cn=ranges,cn=sysdb\n" \
+     "cn: ranges\n" \
      "\n"
 
 #include "db/sysdb.h"
@@ -113,6 +117,7 @@ int sysdb_upgrade_10(struct sysdb_ctx *sysdb, const char **ver);
 int sysdb_upgrade_11(struct sysdb_ctx *sysdb, const char **ver);
 int sysdb_upgrade_12(struct sysdb_ctx *sysdb, const char **ver);
 int sysdb_upgrade_13(struct sysdb_ctx *sysdb, const char **ver);
+int sysdb_upgrade_14(struct sysdb_ctx *sysdb, const char **ver);
 
 int add_string(struct ldb_message *msg, int flags,
                const char *attr, const char *value);
diff --git a/src/db/sysdb_upgrade.c b/src/db/sysdb_upgrade.c
index fc9b2c96..42a048d1 100644
--- a/src/db/sysdb_upgrade.c
+++ b/src/db/sysdb_upgrade.c
@@ -1369,6 +1369,117 @@ done:
     return ret;
 }
 
+int sysdb_upgrade_14(struct sysdb_ctx *sysdb, const char **ver)
+{
+    struct upgrade_ctx *ctx;
+    struct ldb_message *msg;
+    struct ldb_result *res;
+    struct ldb_dn *basedn;
+    struct ldb_dn *newdn;
+    const char *attrs[] = { SYSDB_NAME, NULL };
+    const char *tmp_str;
+    errno_t ret;
+    int i;
+
+    ret = commence_upgrade(sysdb, sysdb->ldb, SYSDB_VERSION_0_15, &ctx);
+    if (ret) {
+        return ret;
+    }
+
+    basedn = ldb_dn_new(ctx, sysdb->ldb, SYSDB_BASE);
+    if (!basedn) {
+        DEBUG(SSSDBG_OP_FAILURE, ("Failed to build base dn\n"));
+        ret = EIO;
+        goto done;
+    }
+
+    /* create base ranges container */
+    msg = ldb_msg_new(ctx);
+    if (!msg) {
+        ret = ENOMEM;
+        goto done;
+    }
+    msg->dn = ldb_dn_new(msg, sysdb->ldb, SYSDB_TMPL_RANGE_BASE);
+    if (!msg->dn) {
+        ret = ENOMEM;
+        goto done;
+    }
+    ret = ldb_msg_add_string(msg, "cn", "ranges");
+    if (ret != LDB_SUCCESS) {
+        ret = EIO;
+        goto done;
+    }
+    /* do a synchronous add */
+    ret = ldb_add(sysdb->ldb, msg);
+    if (ret != LDB_SUCCESS) {
+        DEBUG(SSSDBG_FATAL_FAILURE,
+              ("Failed to upgrade DB (%d, [%s])!\n",
+               ret, ldb_errstring(sysdb->ldb)));
+        ret = EIO;
+        goto done;
+    }
+    talloc_zfree(msg);
+
+    ret = ldb_search(sysdb->ldb, ctx, &res,
+                     basedn, LDB_SCOPE_SUBTREE, attrs,
+                     "objectclass=%s", SYSDB_ID_RANGE_CLASS);
+    if (ret != LDB_SUCCESS) {
+        DEBUG(SSSDBG_OP_FAILURE, ("Failed to search range objects\n"));
+        ret = EIO;
+        goto done;
+    }
+
+    /* Failure to convert any range is not fatal. As long as there are no
+     * left-over objects we can fail to move them around, as they will be
+     * recreated on the next online access */
+    for (i = 0; i < res->count; i++) {
+        tmp_str = ldb_msg_find_attr_as_string(res->msgs[i], SYSDB_NAME, NULL);
+        if (tmp_str == NULL) {
+            DEBUG(SSSDBG_OP_FAILURE,
+                  ("The object [%s] doesn't have a name\n",
+                   ldb_dn_get_linearized(res->msgs[i]->dn)));
+            ret = ldb_delete(sysdb->ldb, res->msgs[i]->dn);
+            if (ret) {
+                DEBUG(SSSDBG_OP_FAILURE,
+                      ("Failed to delete %s\n", res->msgs[i]->dn));
+                ret = EIO;
+                goto done;
+            }
+            continue;
+        }
+
+        newdn = ldb_dn_new_fmt(ctx, sysdb->ldb, SYSDB_TMPL_RANGE, tmp_str);
+        if (!newdn) {
+            DEBUG(SSSDBG_CRIT_FAILURE,
+                  ("Failed to create new DN to move [%s]\n",
+                   ldb_dn_get_linearized(res->msgs[i]->dn)));
+            ret = ENOMEM;
+            goto done;
+        }
+        ret = ldb_rename(sysdb->ldb, res->msgs[i]->dn, newdn);
+        if (ret != LDB_SUCCESS) {
+            DEBUG(SSSDBG_CRIT_FAILURE,
+                  ("Failed to move [%s] to [%s]\n",
+                   ldb_dn_get_linearized(res->msgs[i]->dn),
+                   ldb_dn_get_linearized(newdn)));
+            ret = ldb_delete(sysdb->ldb, res->msgs[i]->dn);
+            if (ret) {
+                DEBUG(SSSDBG_OP_FAILURE,
+                      ("Failed to delete %s\n", res->msgs[i]->dn));
+                ret = EIO;
+                goto done;
+            }
+        }
+        talloc_zfree(newdn);
+    }
+
+    /* conversion done, update version number */
+    ret = update_version(ctx);
+
+done:
+    ret = finish_upgrade(ret, &ctx, ver);
+    return ret;
+}
 
 /*
  * Example template for future upgrades.
-- 
cgit