From 8b1f2574ce7a964965a18ab047ab09c4694380c4 Mon Sep 17 00:00:00 2001 From: Jan Zeleny Date: Wed, 12 Oct 2011 09:30:53 -0400 Subject: Added IPA account info handler Currently it is only handling netgroups by itself, other requests are forwarded to LDAP provider. --- src/providers/ipa/ipa_id.c | 323 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 323 insertions(+) create mode 100644 src/providers/ipa/ipa_id.c (limited to 'src/providers/ipa/ipa_id.c') diff --git a/src/providers/ipa/ipa_id.c b/src/providers/ipa/ipa_id.c new file mode 100644 index 000000000..14a344f2a --- /dev/null +++ b/src/providers/ipa/ipa_id.c @@ -0,0 +1,323 @@ +/* + SSSD + + IPA Identity Backend Module + + Authors: + Jan Zeleny + + Copyright (C) 2011 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 . +*/ + +#include + +#include "util/util.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_netgroup_get_state { + struct tevent_context *ev; + struct ipa_id_ctx *ctx; + struct sdap_id_op *op; + struct sysdb_ctx *sysdb; + struct sss_domain_info *domain; + + const char *name; + int timeout; + + char *filter; + const char **attrs; + + size_t count; + struct sysdb_attrs **netgroups; + + int dp_error; +}; + +struct tevent_req *ipa_netgroup_get_send(TALLOC_CTX *memctx, + struct tevent_context *ev, + struct ipa_id_ctx *ctx, + const char *name); +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); + +void ipa_account_info_handler(struct be_req *breq) +{ + struct ipa_id_ctx *ipa_ctx; + struct sdap_id_ctx *ctx; + struct be_acct_req *ar; + struct tevent_req *req; + const char *err = "Unknown Error"; + int ret = EOK; + + ipa_ctx = talloc_get_type(breq->be_ctx->bet_info[BET_ID].pvt_bet_data, struct ipa_id_ctx); + ctx = ipa_ctx->sdap_id_ctx; + + if (be_is_offline(ctx->be)) { + return sdap_handler_done(breq, DP_ERR_OFFLINE, EAGAIN, "Offline"); + } + + ar = talloc_get_type(breq->req_data, struct be_acct_req); + + switch (ar->entry_type & 0xFFF) { + case BE_REQ_USER: /* user */ + case BE_REQ_GROUP: /* group */ + case BE_REQ_INITGROUPS: /* init groups for user */ + return sdap_account_info_handler(breq); + + case BE_REQ_NETGROUP: + if (ar->filter_type != BE_FILTER_NAME) { + ret = EINVAL; + err = "Invalid filter type"; + break; + } + + req = ipa_netgroup_get_send(breq, breq->be_ctx->ev, ipa_ctx, ar->filter_value); + if (!req) { + return sdap_handler_done(breq, DP_ERR_FATAL, ENOMEM, "Out of memory"); + } + + tevent_req_set_callback(req, ipa_account_info_netgroups_done, breq); + break; + + default: /*fail*/ + ret = EINVAL; + err = "Invalid request type"; + } + + if (ret != EOK) return sdap_handler_done(breq, DP_ERR_FATAL, ret, err); +} + +static void ipa_account_info_complete(struct be_req *breq, int dp_error, + int ret, const char *default_error_text) +{ + const char* error_text; + + if (dp_error == DP_ERR_OK) { + if (ret == EOK) { + error_text = NULL; + } else { + DEBUG(1, ("Bug: dp_error is OK on failed request")); + dp_error = DP_ERR_FATAL; + error_text = default_error_text; + } + } else if (dp_error == DP_ERR_OFFLINE) { + error_text = "Offline"; + } else if (dp_error == DP_ERR_FATAL && ret == ENOMEM) { + error_text = "Out of memory"; + } else { + error_text = default_error_text; + } + + sdap_handler_done(breq, dp_error, ret, error_text); +} + +/* Request for netgroups + * - first start here and then go to ipa_netgroups.c + */ +struct tevent_req *ipa_netgroup_get_send(TALLOC_CTX *memctx, + struct tevent_context *ev, + struct ipa_id_ctx *ipa_ctx, + const char *name) +{ + struct tevent_req *req; + struct ipa_netgroup_get_state *state; + struct sdap_id_ctx *ctx; + char *clean_name; + int ret; + + ctx = ipa_ctx->sdap_id_ctx; + + req = tevent_req_create(memctx, &state, struct ipa_netgroup_get_state); + if (!req) return NULL; + + state->ev = ev; + state->ctx = ipa_ctx; + state->dp_error = DP_ERR_FATAL; + + state->op = sdap_id_op_create(state, ctx->conn_cache); + if (!state->op) { + DEBUG(2, ("sdap_id_op_create failed\n")); + ret = ENOMEM; + goto fail; + } + + state->sysdb = ctx->be->sysdb; + state->domain = ctx->be->domain; + state->name = name; + state->timeout = dp_opt_get_int(ctx->opts->basic, SDAP_SEARCH_TIMEOUT); + + ret = sss_filter_sanitize(state, name, &clean_name); + if (ret != EOK) { + goto fail; + } + + state->filter = talloc_asprintf(state, "(&(%s=%s)(objectclass=%s))", + ctx->opts->netgroup_map[IPA_AT_NETGROUP_NAME].name, + clean_name, + ctx->opts->netgroup_map[IPA_OC_NETGROUP].name); + if (!state->filter) { + DEBUG(2, ("Failed to build filter\n")); + ret = ENOMEM; + goto fail; + } + talloc_zfree(clean_name); + + ret = build_attrs_from_map(state, ctx->opts->netgroup_map, + IPA_OPTS_NETGROUP, &state->attrs); + if (ret != EOK) goto fail; + + ret = ipa_netgroup_get_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_netgroup_get_retry(struct tevent_req *req) +{ + struct ipa_netgroup_get_state *state = tevent_req_data(req, + struct ipa_netgroup_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_netgroup_get_connect_done, req); + return EOK; +} + +static void ipa_netgroup_get_connect_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data(subreq, + struct tevent_req); + struct ipa_netgroup_get_state *state = tevent_req_data(req, + struct ipa_netgroup_get_state); + int dp_error = DP_ERR_FATAL; + int ret; + struct sdap_id_ctx *sdap_ctx = state->ctx->sdap_id_ctx; + + 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; + } + + subreq = ipa_get_netgroups_send(state, state->ev, + state->sysdb, sdap_ctx->opts, + state->ctx->ipa_options, + sdap_id_op_handle(state->op), + state->attrs, state->filter, + state->timeout); + if (!subreq) { + tevent_req_error(req, ENOMEM); + return; + } + tevent_req_set_callback(subreq, ipa_netgroup_get_done, req); + + return; +} + +static void ipa_netgroup_get_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data(subreq, + struct tevent_req); + struct ipa_netgroup_get_state *state = tevent_req_data(req, + struct ipa_netgroup_get_state); + int dp_error = DP_ERR_FATAL; + int ret; + + ret = ipa_get_netgroups_recv(subreq, state, &state->count, &state->netgroups); + talloc_zfree(subreq); + ret = sdap_id_op_done(state->op, ret, &dp_error); + + if (dp_error == DP_ERR_OK && ret != EOK) { + /* retry */ + ret = ipa_netgroup_get_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; + } + + if (ret == EOK && state->count > 1) { + DEBUG(1, ("Found more than one netgroup with the name [%s].\n", + state->name)); + tevent_req_error(req, EINVAL); + return; + } + + if (ret == ENOENT) { + ret = sysdb_delete_netgroup(state->sysdb, state->name); + if (ret != EOK && ret != ENOENT) { + tevent_req_error(req, ret); + return; + } + } + + state->dp_error = DP_ERR_OK; + tevent_req_done(req); + return; +} + +int ipa_netgroup_get_recv(struct tevent_req *req, int *dp_error_out) +{ + struct ipa_netgroup_get_state *state = tevent_req_data(req, + struct ipa_netgroup_get_state); + + if (dp_error_out) { + *dp_error_out = state->dp_error; + } + + TEVENT_REQ_RETURN_ON_ERROR(req); + + return EOK; +} + +static void ipa_account_info_netgroups_done(struct tevent_req *req) +{ + struct be_req *breq = tevent_req_callback_data(req, struct be_req); + int ret, dp_error; + + ret = ipa_netgroup_get_recv(req, &dp_error); + talloc_zfree(req); + + ipa_account_info_complete(breq, dp_error, ret, "Netgroup lookup failed"); +} -- cgit