[SSSD] [PATCH] IPA: Use the correct domain when processing SELinux rules
Jakub Hrozek
jhrozek at redhat.com
Wed Mar 5 20:58:59 UTC 2014
We blindly used the user's domain for everything. That wrong in case the
user comes from a subdomain. We should use the IPA domain for accessing
the SELinux rules and host data and the user domain only for the user.
https://fedorahosted.org/sssd/ticket/2270
-------------- next part --------------
>From 8411c3cf7df4f16a11ecc1f13a658cf960b2a15b Mon Sep 17 00:00:00 2001
From: Jakub Hrozek <jhrozek at redhat.com>
Date: Wed, 5 Mar 2014 16:35:00 +0100
Subject: [PATCH] IPA: Use the correct domain when processing SELinux rules
We blindly used the user's domain for everything. That wrong in case the
user comes from a subdomain. We should use the IPA domain for accessing
the SELinux rules and host data and the user domain only for the user.
https://fedorahosted.org/sssd/ticket/2270
---
src/providers/ipa/ipa_selinux.c | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/src/providers/ipa/ipa_selinux.c b/src/providers/ipa/ipa_selinux.c
index 6b28d4f97b708e55946fe17cae06060ed99e612b..81e8d59fd58be25253968eee3a498e1a300f3347 100644
--- a/src/providers/ipa/ipa_selinux.c
+++ b/src/providers/ipa/ipa_selinux.c
@@ -56,7 +56,8 @@ static errno_t ipa_get_selinux_recv(struct tevent_req *req,
static struct ipa_selinux_op_ctx *
ipa_selinux_create_op_ctx(TALLOC_CTX *mem_ctx, struct sysdb_ctx *sysdb,
- struct sss_domain_info *domain,
+ struct sss_domain_info *ipa_domain,
+ struct sss_domain_info *user_domain,
struct be_req *be_req, const char *username,
const char *hostname,
struct ipa_selinux_ctx *selinux_ctx);
@@ -79,7 +80,8 @@ static errno_t ipa_selinux_process_maps(TALLOC_CTX *mem_ctx,
struct ipa_selinux_op_ctx {
struct be_req *be_req;
- struct sss_domain_info *domain;
+ struct sss_domain_info *user_domain;
+ struct sss_domain_info *ipa_domain;
struct ipa_selinux_ctx *selinux_ctx;
struct sysdb_attrs *user;
@@ -130,6 +132,7 @@ void ipa_selinux_handler(struct be_req *be_req)
}
op_ctx = ipa_selinux_create_op_ctx(be_req, user_domain->sysdb,
+ be_ctx->domain,
user_domain,
be_req, pd->user, hostname,
selinux_ctx);
@@ -200,7 +203,8 @@ done:
static struct ipa_selinux_op_ctx *
ipa_selinux_create_op_ctx(TALLOC_CTX *mem_ctx, struct sysdb_ctx *sysdb,
- struct sss_domain_info *domain,
+ struct sss_domain_info *ipa_domain,
+ struct sss_domain_info *user_domain,
struct be_req *be_req, const char *username,
const char *hostname,
struct ipa_selinux_ctx *selinux_ctx)
@@ -220,15 +224,16 @@ ipa_selinux_create_op_ctx(TALLOC_CTX *mem_ctx, struct sysdb_ctx *sysdb,
return NULL;
}
op_ctx->be_req = be_req;
- op_ctx->domain = domain;
+ op_ctx->ipa_domain = ipa_domain;
+ op_ctx->user_domain = user_domain;
op_ctx->selinux_ctx = selinux_ctx;
- ret = sss_selinux_extract_user(op_ctx, domain, username, &op_ctx->user);
+ ret = sss_selinux_extract_user(op_ctx, user_domain, username, &op_ctx->user);
if (ret != EOK) {
goto fail;
}
- host_dn = sysdb_custom_dn(op_ctx, domain, hostname, HBAC_HOSTS_SUBDIR);
+ host_dn = sysdb_custom_dn(op_ctx, ipa_domain, hostname, HBAC_HOSTS_SUBDIR);
if (host_dn == NULL) {
goto fail;
}
@@ -274,7 +279,7 @@ static void ipa_selinux_handler_done(struct tevent_req *req)
struct ipa_selinux_op_ctx *op_ctx = tevent_req_callback_data(req, struct ipa_selinux_op_ctx);
struct be_req *breq = op_ctx->be_req;
struct be_ctx *be_ctx = be_req_get_be_ctx(breq);
- struct sysdb_ctx *sysdb = op_ctx->domain->sysdb;
+ struct sysdb_ctx *sysdb = op_ctx->ipa_domain->sysdb;
errno_t ret, sret;
size_t map_count = 0;
struct sysdb_attrs **maps = NULL;
@@ -303,21 +308,21 @@ static void ipa_selinux_handler_done(struct tevent_req *req)
}
in_transaction = true;
- ret = sysdb_delete_usermaps(op_ctx->domain);
+ ret = sysdb_delete_usermaps(op_ctx->ipa_domain);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Cannot delete existing maps from sysdb\n");
goto fail;
}
- ret = sysdb_store_selinux_config(op_ctx->domain,
+ ret = sysdb_store_selinux_config(op_ctx->ipa_domain,
default_user, map_order);
if (ret != EOK) {
goto fail;
}
if (map_count > 0 && maps != NULL) {
- ret = ipa_save_user_maps(sysdb, op_ctx->domain, map_count, maps);
+ ret = ipa_save_user_maps(sysdb, op_ctx->ipa_domain, map_count, maps);
if (ret != EOK) {
goto fail;
}
--
1.8.5.3
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