From 77f445dbaecc8e792e1ad42e3742800ad141bee0 Mon Sep 17 00:00:00 2001 From: Jakub Hrozek Date: Sun, 23 Sep 2012 18:37:04 +0200 Subject: AUTOFS: convert the existing autofs entries during a sysdb upgrade --- src/db/sysdb.c | 7 +++ src/db/sysdb_private.h | 4 +- src/db/sysdb_upgrade.c | 134 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 144 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/db/sysdb.c b/src/db/sysdb.c index 3354cc43..e949cafd 100644 --- a/src/db/sysdb.c +++ b/src/db/sysdb.c @@ -1097,6 +1097,13 @@ int sysdb_domain_init_internal(TALLOC_CTX *mem_ctx, } } + if (strcmp(version, SYSDB_VERSION_0_11) == 0) { + ret = sysdb_upgrade_11(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 0fb7316b..8c9aea5b 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_12 "0.12" #define SYSDB_VERSION_0_11 "0.11" #define SYSDB_VERSION_0_10 "0.10" #define SYSDB_VERSION_0_9 "0.9" @@ -35,7 +36,7 @@ #define SYSDB_VERSION_0_2 "0.2" #define SYSDB_VERSION_0_1 "0.1" -#define SYSDB_VERSION SYSDB_VERSION_0_11 +#define SYSDB_VERSION SYSDB_VERSION_0_12 #define SYSDB_BASE_LDIF \ "dn: @ATTRIBUTES\n" \ @@ -106,6 +107,7 @@ int sysdb_upgrade_07(struct sysdb_ctx *sysdb, const char **ver); int sysdb_upgrade_08(struct sysdb_ctx *sysdb, const char **ver); int sysdb_upgrade_09(struct sysdb_ctx *sysdb, const char **ver); int sysdb_upgrade_10(struct sysdb_ctx *sysdb, const char **ver); +int sysdb_upgrade_11(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 43eff7a0..87abd350 100644 --- a/src/db/sysdb_upgrade.c +++ b/src/db/sysdb_upgrade.c @@ -24,6 +24,7 @@ #include "util/util.h" #include "db/sysdb_private.h" +#include "db/sysdb_autofs.h" static int finish_upgrade(int result, struct ldb_context *ldb, const char *next_ver, const char **ver) @@ -1316,3 +1317,136 @@ done: talloc_free(tmp_ctx); return ret; } + +int sysdb_upgrade_11(struct sysdb_ctx *sysdb, const char **ver) +{ + TALLOC_CTX *tmp_ctx; + errno_t ret; + struct ldb_result *res; + struct ldb_message *msg; + struct ldb_message *entry; + const char *key; + const char *value; + struct ldb_message_element *memberof_el; + struct ldb_dn *memberof_dn; + struct ldb_dn *basedn; + const struct ldb_val *val; + const char *attrs[] = { SYSDB_AUTOFS_ENTRY_KEY, + SYSDB_AUTOFS_ENTRY_VALUE, + SYSDB_MEMBEROF, + NULL }; + size_t i, j; + + tmp_ctx = talloc_new(NULL); + if (!tmp_ctx) { + return ENOMEM; + } + + basedn = ldb_dn_new_fmt(tmp_ctx, sysdb->ldb, SYSDB_TMPL_CUSTOM_SUBTREE, + AUTOFS_ENTRY_SUBDIR, sysdb->domain->name); + if (basedn == NULL) { + ret = ENOMEM; + goto done; + } + + DEBUG(SSSDBG_CRIT_FAILURE, + ("UPGRADING DB TO VERSION %s\n", SYSDB_VERSION_0_12)); + + ret = ldb_transaction_start(sysdb->ldb); + if (ret != LDB_SUCCESS) { + ret = EIO; + goto done; + } + + ret = ldb_search(sysdb->ldb, tmp_ctx, &res, basedn, LDB_SCOPE_SUBTREE, + attrs, "(objectClass=%s)", SYSDB_AUTOFS_ENTRY_OC); + if (ret != LDB_SUCCESS) { + ret = EIO; + goto done; + } + + DEBUG(SSSDBG_TRACE_LIBS, ("Found %d autofs entries\n", res->count)); + + for (i = 0; i < res->count; i++) { + entry = res->msgs[i]; + key = ldb_msg_find_attr_as_string(entry, + SYSDB_AUTOFS_ENTRY_KEY, NULL); + value = ldb_msg_find_attr_as_string(entry, + SYSDB_AUTOFS_ENTRY_VALUE, NULL); + memberof_el = ldb_msg_find_element(entry, SYSDB_MEMBEROF); + + if (key && value && memberof_el) { + for (j = 0; j < memberof_el->num_values; j++) { + memberof_dn = ldb_dn_from_ldb_val(tmp_ctx, sysdb->ldb, + &(memberof_el->values[j])); + if (!memberof_dn) { + DEBUG(SSSDBG_OP_FAILURE, ("Cannot convert memberof into DN, skipping\n")); + continue; + } + + val = ldb_dn_get_rdn_val(memberof_dn); + if (!val) { + DEBUG(SSSDBG_OP_FAILURE, ("Cannot get map name from map DN\n")); + continue; + } + + ret = sysdb_save_autofsentry(sysdb, (const char *) val->data, + key, value, NULL); + if (ret != EOK) { + DEBUG(SSSDBG_OP_FAILURE, + ("Cannot save autofs entry [%s]-[%s] into map %s\n", + key, value, val->data)); + continue; + } + } + + } + + /* Delete the old entry if it was either processed or incomplete */ + DEBUG(SSSDBG_TRACE_LIBS, ("Deleting [%s]\n", + ldb_dn_get_linearized(entry->dn))); + + ret = ldb_delete(sysdb->ldb, entry->dn); + if (ret != EOK) { + DEBUG(SSSDBG_OP_FAILURE, ("Cannot delete old autofs entry %s\n", + ldb_dn_get_linearized(entry->dn))); + continue; + } + } + + /* 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_12); + 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_12, ver); + talloc_free(tmp_ctx); + return ret; +} -- cgit