From dd0f63246aa75d5f53b44cbc185e88833e79976e Mon Sep 17 00:00:00 2001
From: Andre Boscatto <andreboscatto@gmail.com>
Date: Wed, 7 Feb 2024 12:28:28 +0100
Subject: [PATCH] sssd: adding mail as case insensitive
MIME-Version: 1.0
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Resolves: https://github.com/SSSD/sssd/issues/7173

Reviewed-by: Iker Pedrosa <ipedrosa@redhat.com>
Reviewed-by: Tomáš Halman <thalman@redhat.com>
(cherry picked from commit 945cebcf72ef53ea0368f19c09e710f7fff11b51)
---
 src/db/sysdb_init.c    |  7 ++++++
 src/db/sysdb_private.h |  5 +++-
 src/db/sysdb_upgrade.c | 56 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 67 insertions(+), 1 deletion(-)

diff --git a/src/db/sysdb_init.c b/src/db/sysdb_init.c
index c2ea6c369..38a9cd64a 100644
--- a/src/db/sysdb_init.c
+++ b/src/db/sysdb_init.c
@@ -603,6 +603,13 @@ static errno_t sysdb_domain_cache_upgrade(TALLOC_CTX *mem_ctx,
         }
     }
 
+    if (strcmp(version, SYSDB_VERSION_0_23) == 0) {
+        ret = sysdb_upgrade_23(sysdb, &version);
+        if (ret != EOK) {
+            goto done;
+        }
+    }
+
     ret = EOK;
 done:
     sysdb->ldb = save_ldb;
diff --git a/src/db/sysdb_private.h b/src/db/sysdb_private.h
index 1f55007bc..63f7b5601 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_24 "0.24"
 #define SYSDB_VERSION_0_23 "0.23"
 #define SYSDB_VERSION_0_22 "0.22"
 #define SYSDB_VERSION_0_21 "0.21"
@@ -47,7 +48,7 @@
 #define SYSDB_VERSION_0_2 "0.2"
 #define SYSDB_VERSION_0_1 "0.1"
 
-#define SYSDB_VERSION SYSDB_VERSION_0_23
+#define SYSDB_VERSION SYSDB_VERSION_0_24
 
 #define SYSDB_BASE_LDIF \
      "dn: @ATTRIBUTES\n" \
@@ -60,6 +61,7 @@
      "objectclass: CASE_INSENSITIVE\n" \
      "ipHostNumber: CASE_INSENSITIVE\n" \
      "ipNetworkNumber: CASE_INSENSITIVE\n" \
+     "mail: CASE_INSENSITIVE\n" \
      "\n" \
      "dn: @INDEXLIST\n" \
      "@IDXATTR: cn\n" \
@@ -191,6 +193,7 @@ int sysdb_upgrade_19(struct sysdb_ctx *sysdb, const char **ver);
 int sysdb_upgrade_20(struct sysdb_ctx *sysdb, const char **ver);
 int sysdb_upgrade_21(struct sysdb_ctx *sysdb, const char **ver);
 int sysdb_upgrade_22(struct sysdb_ctx *sysdb, const char **ver);
+int sysdb_upgrade_23(struct sysdb_ctx *sysdb, const char **ver);
 
 int sysdb_ts_upgrade_01(struct sysdb_ctx *sysdb, const char **ver);
 
diff --git a/src/db/sysdb_upgrade.c b/src/db/sysdb_upgrade.c
index 346a1cb0b..56083e6be 100644
--- a/src/db/sysdb_upgrade.c
+++ b/src/db/sysdb_upgrade.c
@@ -2718,6 +2718,62 @@ done:
     return ret;
 }
 
+int sysdb_upgrade_23(struct sysdb_ctx *sysdb, const char **ver)
+{
+    TALLOC_CTX *tmp_ctx;
+    int ret;
+    struct ldb_message *msg;
+    struct upgrade_ctx *ctx;
+
+    tmp_ctx = talloc_new(NULL);
+    if (!tmp_ctx) {
+        return ENOMEM;
+    }
+
+    ret = commence_upgrade(sysdb, sysdb->ldb, SYSDB_VERSION_0_24, &ctx);
+    if (ret) {
+        return ret;
+    }
+
+    /* 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 mail */
+    ret = ldb_msg_add_empty(msg, SYSDB_USER_EMAIL, LDB_FLAG_MOD_ADD, NULL);
+    if (ret != LDB_SUCCESS) {
+        ret = ENOMEM;
+        goto done;
+    }
+    ret = ldb_msg_add_string(msg, SYSDB_USER_EMAIL, "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, update version number */
+    ret = update_version(ctx);
+
+done:
+    ret = finish_upgrade(ret, &ctx, ver);
+    talloc_free(tmp_ctx);
+    return ret;
+}
+
 int sysdb_ts_upgrade_01(struct sysdb_ctx *sysdb, const char **ver)
 {
     struct upgrade_ctx *ctx;
-- 
2.41.0