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sssd/0071-IPA-allow-initgroups-by-SID-for-AD-users.patch

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From 85287a6b897d818d279171a83aa3c8a0de66f13b Mon Sep 17 00:00:00 2001
From: Sumit Bose <sbose@redhat.com>
Date: Wed, 22 Apr 2015 16:57:37 +0200
Subject: [PATCH 71/99] IPA: allow initgroups by SID for AD users
If a user from a trusted AD domain is search with the help of an
override name the SID from the override anchor is used to search the
user in AD. Currently the initgroups request only allows searches by
name. With this patch a SID can be used as well.
Resolves https://fedorahosted.org/sssd/ticket/2632
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
(cherry picked from commit f70a1adbfc30b9acc302027439fb8157e0c6ea2a)
---
src/db/sysdb_search.c | 24 ++++++++++++++++--------
src/providers/data_provider.h | 1 +
src/providers/ipa/ipa_subdomains_id.c | 13 +++++++++++++
src/providers/ldap/ldap_id.c | 15 +++++++++++++--
src/providers/ldap/sdap_async_initgroups.c | 2 ++
src/tests/sysdb-tests.c | 12 +++++++++++-
6 files changed, 56 insertions(+), 11 deletions(-)
diff --git a/src/db/sysdb_search.c b/src/db/sysdb_search.c
index 677257405fae51774d4cd0c17516238e74fb7592..da0c6d90c6b3a88cfa928aaffa2c8eb843cb1a74 100644
--- a/src/db/sysdb_search.c
+++ b/src/db/sysdb_search.c
@@ -1589,7 +1589,7 @@ done:
errno_t sysdb_get_real_name(TALLOC_CTX *mem_ctx,
struct sss_domain_info *domain,
- const char *name_or_upn,
+ const char *name_or_upn_or_sid,
const char **_cname)
{
errno_t ret;
@@ -1603,20 +1603,28 @@ errno_t sysdb_get_real_name(TALLOC_CTX *mem_ctx,
return ENOMEM;
}
- ret = sysdb_getpwnam(tmp_ctx, domain, name_or_upn, &res);
+ ret = sysdb_getpwnam(tmp_ctx, domain, name_or_upn_or_sid, &res);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE, "Cannot canonicalize username\n");
goto done;
}
if (res->count == 0) {
- ret = sysdb_search_user_by_upn(tmp_ctx, domain, name_or_upn, NULL,
- &msg);
+ ret = sysdb_search_user_by_upn(tmp_ctx, domain, name_or_upn_or_sid,
+ NULL, &msg);
if (ret != EOK) {
- /* User cannot be found in cache */
- DEBUG(SSSDBG_OP_FAILURE, "Cannot find user [%s] in cache\n",
- name_or_upn);
- goto done;
+ if (ret == ENOENT) {
+ ret = sysdb_search_user_by_sid_str(tmp_ctx, domain,
+ name_or_upn_or_sid, NULL,
+ &msg);
+ }
+
+ if (ret != EOK) {
+ /* User cannot be found in cache */
+ DEBUG(SSSDBG_OP_FAILURE, "Cannot find user [%s] in cache\n",
+ name_or_upn_or_sid);
+ goto done;
+ }
}
} else if (res->count == 1) {
msg = res->msgs[0];
diff --git a/src/providers/data_provider.h b/src/providers/data_provider.h
index 5df493e9d1ae21ada6f5fd6198a6d9c36680d044..89fb06a0d6f791a8ae50f9d8b4b69d6176912c6c 100644
--- a/src/providers/data_provider.h
+++ b/src/providers/data_provider.h
@@ -150,6 +150,7 @@
#define DP_SEC_ID_LEN (sizeof(DP_SEC_ID) - 1)
#define EXTRA_NAME_IS_UPN "U"
+#define EXTRA_NAME_IS_SID "S"
#define EXTRA_INPUT_MAYBE_WITH_VIEW "V"
/* AUTH related common data and functions */
diff --git a/src/providers/ipa/ipa_subdomains_id.c b/src/providers/ipa/ipa_subdomains_id.c
index 0508e14b690c144f4bace9ed14a326ac724eb910..15776d2e13af158058a874f761671a5801cf3d6a 100644
--- a/src/providers/ipa/ipa_subdomains_id.c
+++ b/src/providers/ipa/ipa_subdomains_id.c
@@ -201,6 +201,7 @@ static void ipa_subdomain_account_got_override(struct tevent_req *subreq)
}
if (state->override_attrs != NULL) {
+ DEBUG(SSSDBG_TRACE_ALL, "Processing override.\n");
ret = sysdb_attrs_get_string(state->override_attrs,
SYSDB_OVERRIDE_ANCHOR_UUID,
&anchor);
@@ -219,6 +220,16 @@ static void ipa_subdomain_account_got_override(struct tevent_req *subreq)
DEBUG(SSSDBG_OP_FAILURE, "get_be_acct_req_for_sid failed.\n");
goto fail;
}
+
+ if (state->ipa_server_mode
+ && (state->ar->entry_type & BE_REQ_TYPE_MASK)
+ == BE_REQ_INITGROUPS) {
+ DEBUG(SSSDBG_TRACE_ALL,
+ "Switching back to BE_REQ_INITGROUPS.\n");
+ ar->entry_type = BE_REQ_INITGROUPS;
+ ar->filter_type = BE_FILTER_SECID;
+ ar->attr_type = BE_ATTR_CORE;
+ }
} else {
DEBUG(SSSDBG_CRIT_FAILURE,
"Unsupported override anchor type [%s].\n", anchor);
@@ -1125,6 +1136,8 @@ static errno_t ipa_get_ad_apply_override_step(struct tevent_req *req)
/* Replace ID with name in search filter */
if ((entry_type == BE_REQ_USER && state->ar->filter_type == BE_FILTER_IDNUM)
+ || (entry_type == BE_REQ_INITGROUPS
+ && state->ar->filter_type == BE_FILTER_SECID)
|| entry_type == BE_REQ_BY_SECID) {
if (state->obj_msg == NULL) {
ret = get_object_from_cache(state, state->obj_dom, state->ar,
diff --git a/src/providers/ldap/ldap_id.c b/src/providers/ldap/ldap_id.c
index 55bb3c9fbd6f623e7795d7399c9e5ac4d5192e85..c2686d249ddf5448c3589c4d8afe32caf09c90a4 100644
--- a/src/providers/ldap/ldap_id.c
+++ b/src/providers/ldap/ldap_id.c
@@ -1391,7 +1391,8 @@ sdap_handle_acct_req_send(TALLOC_CTX *mem_ctx,
break;
case BE_REQ_INITGROUPS: /* init groups for user */
- if (ar->filter_type != BE_FILTER_NAME) {
+ if (ar->filter_type != BE_FILTER_NAME
+ && ar->filter_type != BE_FILTER_SECID) {
ret = EINVAL;
state->err = "Invalid filter type";
goto done;
@@ -1401,11 +1402,21 @@ sdap_handle_acct_req_send(TALLOC_CTX *mem_ctx,
state->err = "Invalid attr type";
goto done;
}
+ if (ar->filter_type == BE_FILTER_SECID && ar->extra_value != NULL
+ && strcmp(ar->extra_value, EXTRA_NAME_IS_SID) != 0) {
+ DEBUG(SSSDBG_OP_FAILURE,
+ "Unexpected extra value [%s] for BE_FILTER_SECID.\n",
+ ar->extra_value);
+ ret = EINVAL;
+ state->err = "Invalid extra value";
+ goto done;
+ }
subreq = groups_by_user_send(state, be_ctx->ev, id_ctx,
sdom, conn,
ar->filter_value,
- ar->extra_value,
+ (ar->filter_type == BE_FILTER_SECID)
+ ? EXTRA_NAME_IS_SID : ar->extra_value,
noexist_delete);
break;
diff --git a/src/providers/ldap/sdap_async_initgroups.c b/src/providers/ldap/sdap_async_initgroups.c
index ae617b9c4c6899d0b85dcc4c4b6b971d0f235b88..5c5be5eabd7006b457291062519cdad9626f13fa 100644
--- a/src/providers/ldap/sdap_async_initgroups.c
+++ b/src/providers/ldap/sdap_async_initgroups.c
@@ -2716,6 +2716,8 @@ struct tevent_req *sdap_get_initgr_send(TALLOC_CTX *memctx,
if (extra_value && strcmp(extra_value, EXTRA_NAME_IS_UPN) == 0) {
search_attr = state->opts->user_map[SDAP_AT_USER_PRINC].name;
+ } else if (extra_value && strcmp(extra_value, EXTRA_NAME_IS_SID) == 0) {
+ search_attr = state->opts->user_map[SDAP_AT_USER_OBJECTSID].name;
} else {
search_attr = state->opts->user_map[SDAP_AT_USER_NAME].name;
}
diff --git a/src/tests/sysdb-tests.c b/src/tests/sysdb-tests.c
index 7c2c6d208127b0b6f9025435619b027246c6dd35..0185beeaf03d0fc72c9ead22bc73887c701d964f 100644
--- a/src/tests/sysdb-tests.c
+++ b/src/tests/sysdb-tests.c
@@ -3577,6 +3577,10 @@ START_TEST(test_sysdb_get_real_name)
ret = sysdb_attrs_add_string(user_attrs, SYSDB_UPN, "foo@bar");
fail_unless(ret == EOK, "sysdb_attrs_add_string failed.");
+ ret = sysdb_attrs_add_string(user_attrs, SYSDB_SID_STR,
+ "S-1-5-21-123-456-789-111");
+ fail_unless(ret == EOK, "sysdb_attrs_add_string failed.");
+
ret = sysdb_store_user(test_ctx->domain, "RealName",
NULL, 22345, 0, "gecos",
"/home/realname", "/bin/bash",
@@ -3592,7 +3596,13 @@ START_TEST(test_sysdb_get_real_name)
ret = sysdb_get_real_name(test_ctx, test_ctx->domain, "foo@bar", &str);
fail_unless(ret == EOK, "sysdb_get_real_name failed.");
fail_unless(strcmp(str, "RealName") == 0, "Expected [%s], got [%s].",
- "foo@bar", str);
+ "RealName", str);
+
+ ret = sysdb_get_real_name(test_ctx, test_ctx->domain,
+ "S-1-5-21-123-456-789-111", &str);
+ fail_unless(ret == EOK, "sysdb_get_real_name failed.");
+ fail_unless(strcmp(str, "RealName") == 0, "Expected [%s], got [%s].",
+ "RealName", str);
}
END_TEST
--
2.4.0
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