Add ID operations in subdomains

3 files changed, 276 insertions, 0 deletions

diff --git a/src/providers/ipa/ipa_id.c b/src/providers/ipa/ipa_id.c
index c3ec983e..f2a27c74 100644
--- a/src/providers/ipa/ipa_id.c
+++ b/src/providers/ipa/ipa_id.c
@@ -57,6 +57,7 @@ static int ipa_netgroup_get_retry(struct tevent_req *req);
 static void ipa_netgroup_get_connect_done(struct tevent_req *subreq);
 static void ipa_netgroup_get_done(struct tevent_req *subreq);
 static void ipa_account_info_netgroups_done(struct tevent_req *req);
+static void ipa_account_info_users_done(struct tevent_req *req);
 
 void ipa_account_info_handler(struct be_req *breq)
 {
@@ -76,6 +77,24 @@ void ipa_account_info_handler(struct be_req *breq)
 
     ar = talloc_get_type(breq->req_data, struct be_acct_req);
 
+    if (strcasecmp(ar->domain, breq->be_ctx->domain->name) != 0) {
+        if (! ((ar->entry_type & BE_REQ_USER) ||
+               (ar->entry_type & BE_REQ_GROUP))) {
+            return sdap_handler_done(breq, DP_ERR_FATAL, EINVAL,
+                                     "Invalid sub-domain request type");
+        }
+
+        req = ipa_get_subdomain_account_info_send(breq, breq->be_ctx->ev, ctx,
+                                                  ar);
+        if (!req) {
+            return sdap_handler_done(breq, DP_ERR_FATAL, ENOMEM, "Out of memory");
+        }
+
+        tevent_req_set_callback(req, ipa_account_info_users_done, breq);
+
+        return;
+    }
+
     switch (ar->entry_type & 0xFFF) {
     case BE_REQ_USER: /* user */
     case BE_REQ_GROUP: /* group */
@@ -130,6 +149,17 @@ static void ipa_account_info_complete(struct be_req *breq, int dp_error,
     sdap_handler_done(breq, dp_error, ret, error_text);
 }
 
+static void ipa_account_info_users_done(struct tevent_req *req)
+{
+    struct be_req *breq = tevent_req_callback_data(req, struct be_req);
+    int ret, dp_error;
+
+    ret = ipa_user_get_recv(req, &dp_error);
+    talloc_zfree(req);
+
+    ipa_account_info_complete(breq, dp_error, ret, "User lookup failed");
+}
+
 /* Request for netgroups
  * - first start here and then go to ipa_netgroups.c
  */
diff --git a/src/providers/ipa/ipa_id.h b/src/providers/ipa/ipa_id.h
index b7923449..c264286f 100644
--- a/src/providers/ipa/ipa_id.h
+++ b/src/providers/ipa/ipa_id.h
@@ -59,4 +59,10 @@ struct tevent_req *ipa_s2n_get_acct_info_send(TALLOC_CTX *mem_ctx,
                                               const char *user_name,
                                               uid_t uid);
 int ipa_s2n_get_acct_info_recv(struct tevent_req *req);
+
+struct tevent_req *ipa_get_subdomain_account_info_send(TALLOC_CTX *memctx,
+                                                      struct tevent_context *ev,
+                                                      struct sdap_id_ctx *ctx,
+                                                      struct be_acct_req *ar);
+int ipa_user_get_recv(struct tevent_req *req, int *dp_error_out);
 #endif
diff --git a/src/providers/ipa/ipa_subdomains_id.c b/src/providers/ipa/ipa_subdomains_id.c
new file mode 100644
index 00000000..a4558e68
--- /dev/null
+++ b/src/providers/ipa/ipa_subdomains_id.c
@@ -0,0 +1,240 @@
+/*
+    SSSD
+
+    IPA Identity Backend Module for sub-domains
+
+    Authors:
+        Sumit Bose <sbose@redhat.com>
+
+    Copyright (C) 2012 Red Hat
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <errno.h>
+
+#include "util/util.h"
+#include "util/strtonum.h"
+#include "db/sysdb.h"
+#include "providers/ldap/ldap_common.h"
+#include "providers/ldap/sdap_async.h"
+#include "providers/ipa/ipa_id.h"
+
+struct ipa_user_get_state {
+    struct tevent_context *ev;
+    struct sdap_id_ctx *ctx;
+    struct sdap_id_op *op;
+    struct sysdb_ctx *sysdb;
+    struct sss_domain_info *domain;
+
+    int entry_type;
+    const char *filter;
+    int filter_type;
+
+    const char **attrs;
+
+    int dp_error;
+};
+
+static int ipa_get_subdomain_account_info_retry(struct tevent_req *req);
+static void ipa_get_subdomain_account_info_connect_done(struct tevent_req *subreq);
+static void ipa_get_subdomain_account_info_done(struct tevent_req *subreq);
+struct tevent_req *ipa_get_subdomain_account_info_send(TALLOC_CTX *memctx,
+                                                      struct tevent_context *ev,
+                                                      struct sdap_id_ctx *ctx,
+                                                      struct be_acct_req *ar)
+{
+    struct tevent_req *req;
+    struct ipa_user_get_state *state;
+    int ret;
+
+    req = tevent_req_create(memctx, &state, struct ipa_user_get_state);
+    if (!req) return NULL;
+
+    state->ev = ev;
+    state->ctx = ctx;
+    state->dp_error = DP_ERR_FATAL;
+
+    state->op = sdap_id_op_create(state, state->ctx->conn_cache);
+    if (!state->op) {
+        DEBUG(SSSDBG_OP_FAILURE, ("sdap_id_op_create failed\n"));
+        ret = ENOMEM;
+        goto fail;
+    }
+
+    state->domain = new_subdomain(state, state->ctx->be->domain, ar->domain,
+                                  NULL, NULL);
+    if (state->domain == NULL) {
+        DEBUG(SSSDBG_OP_FAILURE, ("new_subdomain failed.\n"));
+        ret = ENOMEM;
+        goto fail;
+    }
+    state->sysdb = state->domain->sysdb;
+
+    state->entry_type = (ar->entry_type & 0xFFF);
+    state->filter = ar->filter_value;
+    state->filter_type = ar->filter_type;
+
+    switch (state->entry_type) {
+        case BE_REQ_USER:
+            ret = build_attrs_from_map(state, ctx->opts->user_map,
+                                       SDAP_OPTS_USER, &state->attrs);
+            break;
+        case BE_REQ_GROUP:
+            ret = build_attrs_from_map(state, ctx->opts->group_map,
+                                       SDAP_OPTS_GROUP, &state->attrs);
+            break;
+        default:
+            ret = EINVAL;
+            DEBUG(SSSDBG_OP_FAILURE, ("Invalid sub-domain request type.\n"));
+    }
+    if (ret != EOK) goto fail;
+
+    ret = ipa_get_subdomain_account_info_retry(req);
+    if (ret != EOK) {
+        goto fail;
+    }
+
+    return req;
+
+fail:
+    tevent_req_error(req, ret);
+    tevent_req_post(req, ev);
+    return req;
+}
+
+static int ipa_get_subdomain_account_info_retry(struct tevent_req *req)
+{
+    struct ipa_user_get_state *state = tevent_req_data(req,
+                                                    struct ipa_user_get_state);
+    struct tevent_req *subreq;
+    int ret = EOK;
+
+    subreq = sdap_id_op_connect_send(state->op, state, &ret);
+    if (!subreq) {
+        return ret;
+    }
+
+    tevent_req_set_callback(subreq, ipa_get_subdomain_account_info_connect_done,
+                            req);
+    return EOK;
+}
+
+static void ipa_get_subdomain_account_info_connect_done(struct tevent_req *subreq)
+{
+    struct tevent_req *req = tevent_req_callback_data(subreq,
+                                                      struct tevent_req);
+    struct ipa_user_get_state *state = tevent_req_data(req,
+                                                     struct ipa_user_get_state);
+    int dp_error = DP_ERR_FATAL;
+    int ret;
+    const char *name;
+    uint32_t id;
+    char *endptr;
+
+    ret = sdap_id_op_connect_recv(subreq, &dp_error);
+    talloc_zfree(subreq);
+    if (ret != EOK) {
+        state->dp_error = dp_error;
+        tevent_req_error(req, ret);
+        return;
+    }
+
+    switch (state->filter_type) {
+        case BE_FILTER_NAME:
+            name = state->filter;
+            id = 0;
+            break;
+        case BE_FILTER_IDNUM:
+            name = NULL;
+            id = strtouint32(state->filter, &endptr, 10);
+            if (errno || *endptr || (state->filter == endptr)) {
+                tevent_req_error(req, errno ? errno : EINVAL);
+                return;
+            }
+            break;
+        default:
+            DEBUG(SSSDBG_OP_FAILURE, ("Invalid sub-domain filter type.\n"));
+            state->dp_error = dp_error;
+            tevent_req_error(req, EINVAL);
+            return;
+    }
+
+    subreq = ipa_s2n_get_acct_info_send(state,
+                                        state->ev,
+                                        state->ctx->opts,
+                                        state->domain,
+                                        sdap_id_op_handle(state->op),
+                                        state->attrs,
+                                        state->entry_type,
+                                        name, id);
+    if (!subreq) {
+        tevent_req_error(req, ENOMEM);
+        return;
+    }
+    tevent_req_set_callback(subreq, ipa_get_subdomain_account_info_done, req);
+
+    return;
+}
+
+static void ipa_get_subdomain_account_info_done(struct tevent_req *subreq)
+{
+    struct tevent_req *req = tevent_req_callback_data(subreq,
+                                                      struct tevent_req);
+    struct ipa_user_get_state *state = tevent_req_data(req,
+                                                     struct ipa_user_get_state);
+    int dp_error = DP_ERR_FATAL;
+    int ret;
+
+    ret = ipa_s2n_get_acct_info_recv(subreq);
+    talloc_zfree(subreq);
+
+    ret = sdap_id_op_done(state->op, ret, &dp_error);
+    if (dp_error == DP_ERR_OK && ret != EOK) {
+        /* retry */
+        ret = ipa_get_subdomain_account_info_retry(req);
+        if (ret != EOK) {
+            tevent_req_error(req, ret);
+            return;
+        }
+
+        return;
+    }
+
+    if (ret && ret != ENOENT) {
+        state->dp_error = dp_error;
+        tevent_req_error(req, ret);
+        return;
+    }
+
+    /* FIXME: do we need some special handling of ENOENT */
+
+    state->dp_error = DP_ERR_OK;
+    tevent_req_done(req);
+}
+
+int ipa_user_get_recv(struct tevent_req *req, int *dp_error_out)
+{
+    struct ipa_user_get_state *state = tevent_req_data(req,
+                                                    struct ipa_user_get_state);
+
+    if (dp_error_out) {
+        *dp_error_out = state->dp_error;
+    }
+
+    TEVENT_REQ_RETURN_ON_ERROR(req);
+
+    return EOK;
+}
+