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authorJakub Hrozek <jhrozek@redhat.com>2011-07-25 16:55:34 +0200
committerStephen Gallagher <sgallagh@redhat.com>2011-11-29 14:21:07 -0500
commit6d99c0f5616969a999d78248565a47b18d40d472 (patch)
treec3adaba5f0535cdf8dbeb442a439632edf35c9d3 /src/providers
parent9b9c7f8caddf2b57adfbef8741651ee5063fa3bd (diff)
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IPA migration fixes
* use the id connection for looking up the migration flag * force TLS on the password based authentication connection https://fedorahosted.org/sssd/ticket/924
Diffstat (limited to 'src/providers')
-rw-r--r--src/providers/ipa/ipa_auth.c228
-rw-r--r--src/providers/ipa/ipa_common.h1
-rw-r--r--src/providers/ipa/ipa_init.c9
3 files changed, 141 insertions, 97 deletions
diff --git a/src/providers/ipa/ipa_auth.c b/src/providers/ipa/ipa_auth.c
index 713bf3e76..70accd697 100644
--- a/src/providers/ipa/ipa_auth.c
+++ b/src/providers/ipa/ipa_auth.c
@@ -31,7 +31,7 @@
#include "providers/krb5/krb5_auth.h"
#include "providers/ipa/ipa_common.h"
-#define IPA_CONFIG_MIRATION_ENABLED "ipaMigrationEnabled"
+#define IPA_CONFIG_MIGRATION_ENABLED "ipaMigrationEnabled"
#define IPA_CONFIG_SEARCH_BASE_TEMPLATE "cn=etc,%s"
#define IPA_CONFIG_FILTER "(&(cn=ipaConfig)(objectClass=ipaGuiConfig))"
@@ -42,8 +42,8 @@ static void ipa_auth_reply(struct be_req *be_req, int dp_err, int result)
struct get_password_migration_flag_state {
struct tevent_context *ev;
- struct sdap_auth_ctx *sdap_auth_ctx;
- struct sdap_handle *sh;
+ struct sdap_id_op *sdap_op;
+ struct sdap_id_ctx *sdap_id_ctx;
enum sdap_result result;
struct fo_server *srv;
char *ipa_realm;
@@ -55,50 +55,46 @@ static void get_password_migration_flag_done(struct tevent_req *subreq);
static struct tevent_req *get_password_migration_flag_send(TALLOC_CTX *memctx,
struct tevent_context *ev,
- struct sdap_auth_ctx *sdap_auth_ctx,
+ struct sdap_id_ctx *sdap_id_ctx,
char *ipa_realm)
{
int ret;
struct tevent_req *req, *subreq;
struct get_password_migration_flag_state *state;
- if (sdap_auth_ctx == NULL || ipa_realm == NULL) {
- DEBUG(1, ("Missing parameter.\n"));
+ if (sdap_id_ctx == NULL || ipa_realm == NULL) {
+ DEBUG(SSSDBG_OP_FAILURE, ("Missing parameter.\n"));
return NULL;
}
req = tevent_req_create(memctx, &state,
struct get_password_migration_flag_state);
if (req == NULL) {
- DEBUG(1, ("tevent_req_create failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("tevent_req_create failed.\n"));
return NULL;
}
state->ev = ev;
- state->sdap_auth_ctx = sdap_auth_ctx;
- state->sh = NULL;
+ state->sdap_id_ctx = sdap_id_ctx;
state->result = SDAP_ERROR;
state->srv = NULL;
state->password_migration = false;
state->ipa_realm = ipa_realm;
- /* We request to use StartTLS here, because if password migration is
- * enabled we will use this connection for authentication, too. */
- ret = dp_opt_set_bool(sdap_auth_ctx->opts->basic, SDAP_ID_TLS, true);
- if (ret != EOK) {
- DEBUG(1, ("Failed to set SDAP_ID_TLS to true.\n"));
+ state->sdap_op = sdap_id_op_create(state, state->sdap_id_ctx->conn_cache);
+ if (state->sdap_op == NULL) {
+ DEBUG(SSSDBG_OP_FAILURE, ("sdap_id_op_create failed.\n"));
goto fail;
}
- subreq = sdap_cli_connect_send(state, ev, sdap_auth_ctx->opts,
- sdap_auth_ctx->be, sdap_auth_ctx->service,
- true, CON_TLS_DFL, false);
- if (subreq == NULL) {
- DEBUG(1, ("sdap_cli_connect_send failed.\n"));
+ subreq = sdap_id_op_connect_send(state->sdap_op, state, &ret);
+ if (!subreq) {
+ DEBUG(SSSDBG_OP_FAILURE, ("sdap_id_op_connect_send failed: %d(%s).\n",
+ ret, strerror(ret)));
goto fail;
}
- tevent_req_set_callback(subreq, get_password_migration_flag_auth_done,
- req);
+
+ tevent_req_set_callback(subreq, get_password_migration_flag_auth_done, req);
return req;
@@ -113,22 +109,31 @@ static void get_password_migration_flag_auth_done(struct tevent_req *subreq)
struct tevent_req);
struct get_password_migration_flag_state *state = tevent_req_data(req,
struct get_password_migration_flag_state);
- int ret;
+ int ret, dp_error;
char *ldap_basedn;
char *search_base;
const char **attrs;
- ret = sdap_cli_connect_recv(subreq, state, NULL, &state->sh, NULL);
+ ret = sdap_id_op_connect_recv(subreq, &dp_error);
talloc_zfree(subreq);
if (ret) {
- DEBUG(1, ("sdap_auth request failed.\n"));
+ if (dp_error == DP_ERR_OFFLINE) {
+ DEBUG(SSSDBG_MINOR_FAILURE,
+ ("No IPA server is available, cannot get the "
+ "migration flag while offline\n"));
+ } else {
+ DEBUG(SSSDBG_OP_FAILURE,
+ ("Failed to connect to IPA server: [%d](%s)\n",
+ ret, strerror(ret)));
+ }
+
tevent_req_error(req, ret);
return;
}
ret = domain_to_basedn(state, state->ipa_realm, &ldap_basedn);
if (ret != EOK) {
- DEBUG(1, ("domain_to_basedn failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("domain_to_basedn failed.\n"));
tevent_req_error(req, ret);
return;
}
@@ -136,25 +141,27 @@ static void get_password_migration_flag_auth_done(struct tevent_req *subreq)
search_base = talloc_asprintf(state, IPA_CONFIG_SEARCH_BASE_TEMPLATE,
ldap_basedn);
if (search_base == NULL) {
- DEBUG(1, ("talloc_asprintf failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("talloc_asprintf failed.\n"));
tevent_req_error(req, ENOMEM);
return;
}
attrs = talloc_array(state, const char*, 2);
if (attrs == NULL) {
- DEBUG(1, ("talloc_array failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("talloc_array failed.\n"));
tevent_req_error(req, ENOMEM);
return;
}
- attrs[0] = IPA_CONFIG_MIRATION_ENABLED;
+ attrs[0] = IPA_CONFIG_MIGRATION_ENABLED;
attrs[1] = NULL;
- subreq = sdap_get_generic_send(state, state->ev, state->sdap_auth_ctx->opts,
- state->sh, search_base, LDAP_SCOPE_SUBTREE,
+ subreq = sdap_get_generic_send(state, state->ev,
+ state->sdap_id_ctx->opts,
+ sdap_id_op_handle(state->sdap_op),
+ search_base, LDAP_SCOPE_SUBTREE,
IPA_CONFIG_FILTER, attrs, NULL, 0,
- dp_opt_get_int(state->sdap_auth_ctx->opts->basic,
+ dp_opt_get_int(state->sdap_id_ctx->opts->basic,
SDAP_SEARCH_TIMEOUT));
if (!subreq) {
tevent_req_error(req, ENOMEM);
@@ -183,13 +190,13 @@ static void get_password_migration_flag_done(struct tevent_req *subreq)
}
if (reply_count != 1) {
- DEBUG(1, ("Unexpected number of results, expected 1, got %d.\n",
- reply_count));
+ DEBUG(SSSDBG_OP_FAILURE, ("Unexpected number of results, expected 1, "
+ "got %d.\n", reply_count));
tevent_req_error(req, EINVAL);
return;
}
- ret = sysdb_attrs_get_string(reply[0], IPA_CONFIG_MIRATION_ENABLED, &value);
+ ret = sysdb_attrs_get_string(reply[0], IPA_CONFIG_MIGRATION_ENABLED, &value);
if (ret == EOK && strcasecmp(value, "true") == 0) {
state->password_migration = true;
}
@@ -199,8 +206,7 @@ static void get_password_migration_flag_done(struct tevent_req *subreq)
static int get_password_migration_flag_recv(struct tevent_req *req,
TALLOC_CTX *mem_ctx,
- bool *password_migration,
- struct sdap_handle **sh)
+ bool *password_migration)
{
struct get_password_migration_flag_state *state = tevent_req_data(req,
struct get_password_migration_flag_state);
@@ -208,10 +214,6 @@ static int get_password_migration_flag_recv(struct tevent_req *req,
TEVENT_REQ_RETURN_ON_ERROR(req);
*password_migration = state->password_migration;
- if (sh != NULL) {
- *sh = talloc_steal(mem_ctx, state->sh);
- }
-
return EOK;
}
@@ -227,6 +229,7 @@ struct ipa_auth_state {
static void ipa_auth_handler_done(struct tevent_req *req);
static void ipa_get_migration_flag_done(struct tevent_req *req);
+static void ipa_migration_flag_connect_done(struct tevent_req *req);
static void ipa_auth_ldap_done(struct tevent_req *req);
static void ipa_auth_handler_retry_done(struct tevent_req *req);
@@ -238,7 +241,7 @@ void ipa_auth(struct be_req *be_req)
state = talloc_zero(be_req, struct ipa_auth_state);
if (state == NULL) {
- DEBUG(1, ("talloc_zero failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("talloc_zero failed.\n"));
goto fail;
}
@@ -263,14 +266,14 @@ void ipa_auth(struct be_req *be_req)
struct ipa_auth_ctx);
break;
default:
- DEBUG(1, ("Unsupported PAM task.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("Unsupported PAM task.\n"));
goto fail;
}
req = krb5_auth_send(state, state->ev, be_req->be_ctx, state->pd,
state->ipa_auth_ctx->krb5_auth_ctx);
if (req == NULL) {
- DEBUG(1, ("krb5_auth_send failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("krb5_auth_send failed.\n"));
goto fail;
}
@@ -295,7 +298,7 @@ static void ipa_auth_handler_done(struct tevent_req *req)
talloc_zfree(req);
state->pd->pam_status = pam_status;
if (ret != EOK && pam_status != PAM_CRED_ERR) {
- DEBUG(1, ("krb5_auth_recv request failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("krb5_auth_recv request failed.\n"));
dp_err = DP_ERR_OK;
goto done;
}
@@ -308,12 +311,13 @@ static void ipa_auth_handler_done(struct tevent_req *req)
state->pd->pam_status == PAM_CRED_ERR) {
req = get_password_migration_flag_send(state, state->ev,
- state->ipa_auth_ctx->sdap_auth_ctx,
+ state->ipa_auth_ctx->sdap_id_ctx,
dp_opt_get_string(
state->ipa_auth_ctx->ipa_options,
IPA_KRB5_REALM));
if (req == NULL) {
- DEBUG(1, ("get_password_migration_flag failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE,
+ ("get_password_migration_flag failed.\n"));
goto done;
}
@@ -331,70 +335,100 @@ static void ipa_get_migration_flag_done(struct tevent_req *req)
struct ipa_auth_state);
int ret;
int dp_err = DP_ERR_FATAL;
- const char **attrs;
- struct ldb_message *user_msg;
- const char *dn;
- struct dp_opt_blob password;
ret = get_password_migration_flag_recv(req, state,
- &state->password_migration,
- &state->sh);
+ &state->password_migration);
talloc_zfree(req);
if (ret != EOK) {
- DEBUG(1, ("get_password_migration_flag request failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("get_password_migration_flag "
+ "request failed.\n"));
state->pd->pam_status = PAM_SYSTEM_ERR;
dp_err = DP_ERR_OK;
goto done;
}
if (state->password_migration) {
- state->pd->pam_status = PAM_SYSTEM_ERR;
- DEBUG(1, ("Assuming Kerberos password is missing, "
- "starting password migration.\n"));
-
- attrs = talloc_array(state, const char *, 2);
- if (attrs == NULL) {
- DEBUG(1, ("talloc_array failed.\n"));
- state->pd->pam_status = PAM_SYSTEM_ERR;
- dp_err = DP_ERR_OK;
+ req = sdap_cli_connect_send(state, state->ev,
+ state->ipa_auth_ctx->sdap_auth_ctx->opts,
+ state->ipa_auth_ctx->sdap_auth_ctx->be,
+ state->ipa_auth_ctx->sdap_auth_ctx->service,
+ true, CON_TLS_ON, true);
+ if (req == NULL) {
+ DEBUG(SSSDBG_OP_FAILURE, ("sdap_cli_connect_send failed.\n"));
goto done;
}
- attrs[0] = SYSDB_ORIG_DN;
- attrs[1] = NULL;
- ret = sysdb_search_user_by_name(state, state->be_req->be_ctx->sysdb,
- state->pd->user, attrs, &user_msg);
- if (ret != EOK) {
- DEBUG(1, ("sysdb_search_user_by_name failed.\n"));
- goto done;
- }
+ tevent_req_set_callback(req, ipa_migration_flag_connect_done, state);
+ return;
+ }
- dn = ldb_msg_find_attr_as_string(user_msg, SYSDB_ORIG_DN, NULL);
- if (dn == NULL) {
- DEBUG(1, ("Missing original DN for user [%s].\n", state->pd->user));
- state->pd->pam_status = PAM_SYSTEM_ERR;
- dp_err = DP_ERR_OK;
- goto done;
- }
+ DEBUG(SSSDBG_CONF_SETTINGS, ("Password migration is not enabled.\n"));
+ dp_err = DP_ERR_OK;
+done:
+ ipa_auth_reply(state->be_req, dp_err, state->pd->pam_status);
+}
+
+static void ipa_migration_flag_connect_done(struct tevent_req *req)
+{
+ struct ipa_auth_state *state = tevent_req_callback_data(req,
+ struct ipa_auth_state);
+ const char **attrs;
+ struct ldb_message *user_msg;
+ const char *dn;
+ struct dp_opt_blob password;
+ int dp_err = DP_ERR_FATAL;
+ int ret;
- password.data = state->pd->authtok;
- password.length = state->pd->authtok_size;
+ ret = sdap_cli_connect_recv(req, state, NULL, &state->sh, NULL);
+ talloc_zfree(req);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_OP_FAILURE,
+ ("Cannot connect to LDAP server to perform migration\n"));
+ goto done;
+ }
- req = sdap_auth_send(state, state->ev, state->sh, NULL, NULL, dn,
- "password", password);
- if (req == NULL) {
- DEBUG(1, ("sdap_auth_send failed.\n"));
- goto done;
- }
+ state->pd->pam_status = PAM_SYSTEM_ERR;
+ DEBUG(SSSDBG_TRACE_FUNC, ("Assuming Kerberos password is missing, "
+ "starting password migration.\n"));
- tevent_req_set_callback(req, ipa_auth_ldap_done, state);
- return;
+ attrs = talloc_array(state, const char *, 2);
+ if (attrs == NULL) {
+ DEBUG(1, ("talloc_array failed.\n"));
+ state->pd->pam_status = PAM_SYSTEM_ERR;
+ dp_err = DP_ERR_OK;
+ goto done;
+ }
+ attrs[0] = SYSDB_ORIG_DN;
+ attrs[1] = NULL;
- } else {
- DEBUG(5, ("Password migration is not enabled.\n"));
+ ret = sysdb_search_user_by_name(state, state->be_req->be_ctx->sysdb,
+ state->pd->user, attrs, &user_msg);
+ if (ret != EOK) {
+ DEBUG(SSSDBG_OP_FAILURE, ("sysdb_search_user_by_name failed.\n"));
+ goto done;
}
- dp_err = DP_ERR_OK;
+ dn = ldb_msg_find_attr_as_string(user_msg, SYSDB_ORIG_DN, NULL);
+ if (dn == NULL) {
+ DEBUG(SSSDBG_MINOR_FAILURE, ("Missing original DN for user [%s].\n",
+ state->pd->user));
+ state->pd->pam_status = PAM_SYSTEM_ERR;
+ dp_err = DP_ERR_OK;
+ goto done;
+ }
+
+ password.data = state->pd->authtok;
+ password.length = state->pd->authtok_size;
+
+ req = sdap_auth_send(state, state->ev, state->sh, NULL, NULL, dn,
+ "password", password);
+ if (req == NULL) {
+ DEBUG(SSSDBG_OP_FAILURE, ("sdap_auth_send failed.\n"));
+ goto done;
+ }
+
+ tevent_req_set_callback(req, ipa_auth_ldap_done, state);
+ return;
done:
ipa_auth_reply(state->be_req, dp_err, state->pd->pam_status);
@@ -411,7 +445,7 @@ static void ipa_auth_ldap_done(struct tevent_req *req)
ret = sdap_auth_recv(req, state, &result, NULL);
talloc_zfree(req);
if (ret != EOK) {
- DEBUG(1, ("auth_send request failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("auth_send request failed.\n"));
state->pd->pam_status = PAM_SYSTEM_ERR;
dp_err = DP_ERR_OK;
goto done;
@@ -419,21 +453,21 @@ static void ipa_auth_ldap_done(struct tevent_req *req)
/* TODO: do we need to handle expired passwords? */
if (result != SDAP_AUTH_SUCCESS) {
- DEBUG(1, ("LDAP authentication failed, "
- "Password migration not possible.\n"));
+ DEBUG(SSSDBG_MINOR_FAILURE, ("LDAP authentication failed, "
+ "Password migration not possible.\n"));
state->pd->pam_status = PAM_CRED_INSUFFICIENT;
dp_err = DP_ERR_OK;
goto done;
}
- DEBUG(1, ("LDAP authentication succeded, "
- "trying Kerberos authentication again.\n"));
+ DEBUG(SSSDBG_TRACE_FUNC, ("LDAP authentication succeded, "
+ "trying Kerberos authentication again.\n"));
req = krb5_auth_send(state, state->ev,
state->be_req->be_ctx, state->pd,
state->ipa_auth_ctx->krb5_auth_ctx);
if (req == NULL) {
- DEBUG(1, ("krb5_auth_send failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("krb5_auth_send failed.\n"));
goto done;
}
@@ -455,7 +489,7 @@ static void ipa_auth_handler_retry_done(struct tevent_req *req)
ret = krb5_auth_recv(req, &pam_status, &dp_err);
talloc_zfree(req);
if (ret != EOK) {
- DEBUG(1, ("krb5_auth_recv request failed.\n"));
+ DEBUG(SSSDBG_OP_FAILURE, ("krb5_auth_recv request failed.\n"));
state->pd->pam_status = PAM_SYSTEM_ERR;
dp_err = DP_ERR_OK;
goto done;
diff --git a/src/providers/ipa/ipa_common.h b/src/providers/ipa/ipa_common.h
index 6c33e870f..165f8fda0 100644
--- a/src/providers/ipa/ipa_common.h
+++ b/src/providers/ipa/ipa_common.h
@@ -80,6 +80,7 @@ enum ipa_host_attrs {
struct ipa_auth_ctx {
struct krb5_ctx *krb5_auth_ctx;
+ struct sdap_id_ctx *sdap_id_ctx;
struct sdap_auth_ctx *sdap_auth_ctx;
struct dp_option *ipa_options;
};
diff --git a/src/providers/ipa/ipa_init.c b/src/providers/ipa/ipa_init.c
index 9fbca3ae4..57b4180cc 100644
--- a/src/providers/ipa/ipa_init.c
+++ b/src/providers/ipa/ipa_init.c
@@ -208,8 +208,10 @@ int sssm_ipa_auth_init(struct be_ctx *bectx,
void **pvt_data)
{
struct ipa_auth_ctx *ipa_auth_ctx;
+ struct ipa_id_ctx *id_ctx;
struct krb5_ctx *krb5_auth_ctx;
struct sdap_auth_ctx *sdap_auth_ctx;
+ struct bet_ops *id_ops;
FILE *debug_filep;
unsigned v;
int ret;
@@ -234,6 +236,13 @@ int sssm_ipa_auth_init(struct be_ctx *bectx,
}
ipa_options->auth_ctx = ipa_auth_ctx;
+ ret = sssm_ipa_id_init(bectx, &id_ops, (void **) &id_ctx);
+ if (ret != EOK) {
+ DEBUG(1, ("sssm_ipa_id_init failed.\n"));
+ goto done;
+ }
+ ipa_auth_ctx->sdap_id_ctx = id_ctx->sdap_id_ctx;
+
ret = dp_copy_options(ipa_auth_ctx, ipa_options->basic,
IPA_OPTS_BASIC, &ipa_auth_ctx->ipa_options);
if (ret != EOK) {