diff options
| -rw-r--r-- | Makefile.am | 8 | ||||
| -rw-r--r-- | src/providers/ldap/sdap_async_groups.c (renamed from src/providers/ldap/sdap_async_accounts.c) | 2523 | ||||
| -rw-r--r-- | src/providers/ldap/sdap_async_initgroups.c | 2049 | ||||
| -rw-r--r-- | src/providers/ldap/sdap_async_private.h | 17 | ||||
| -rw-r--r-- | src/providers/ldap/sdap_async_users.c | 513 |
5 files changed, 2594 insertions, 2516 deletions
diff --git a/Makefile.am b/Makefile.am index c0267d29..92b0c105 100644 --- a/Makefile.am +++ b/Makefile.am @@ -804,7 +804,9 @@ libsss_ldap_la_SOURCES = \ src/providers/ldap/ldap_init.c \ src/providers/ldap/ldap_common.c \ src/providers/ldap/sdap_async.c \ - src/providers/ldap/sdap_async_accounts.c \ + src/providers/ldap/sdap_async_users.c \ + src/providers/ldap/sdap_async_groups.c \ + src/providers/ldap/sdap_async_initgroups.c \ src/providers/ldap/sdap_async_connection.c \ src/providers/ldap/sdap_async_netgroups.c \ src/providers/ldap/sdap_child_helpers.c \ @@ -901,7 +903,9 @@ libsss_ipa_la_SOURCES = \ src/providers/ldap/ldap_auth.c \ src/providers/ldap/ldap_common.c \ src/providers/ldap/sdap_async.c \ - src/providers/ldap/sdap_async_accounts.c \ + src/providers/ldap/sdap_async_users.c \ + src/providers/ldap/sdap_async_groups.c \ + src/providers/ldap/sdap_async_initgroups.c \ src/providers/ldap/sdap_async_connection.c \ src/providers/ldap/sdap_async_netgroups.c \ src/providers/ldap/sdap_child_helpers.c \ diff --git a/src/providers/ldap/sdap_async_accounts.c b/src/providers/ldap/sdap_async_groups.c index 47653245..99b1a9e6 100644 --- a/src/providers/ldap/sdap_async_accounts.c +++ b/src/providers/ldap/sdap_async_groups.c @@ -1,10 +1,11 @@ /* SSSD - Async LDAP Helper routines + Async LDAP Helper routines - retrieving groups Copyright (C) Simo Sorce <ssorce@redhat.com> - 2009 Copyright (C) 2010, Ralf Haferkamp <rhafer@suse.de>, Novell Inc. + Copyright (C) Jan Zeleny <jzeleny@redhat.com> - 2011 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 @@ -25,492 +26,6 @@ #include "providers/ldap/sdap_async_private.h" #include "providers/ldap/ldap_common.h" -/* ==Save-User-Entry====================================================== */ - -/* FIXME: support storing additional attributes */ - -static int sdap_save_user(TALLOC_CTX *memctx, - struct sysdb_ctx *ctx, - struct sdap_options *opts, - struct sss_domain_info *dom, - struct sysdb_attrs *attrs, - const char **ldap_attrs, - bool is_initgr, - char **_usn_value) -{ - struct ldb_message_element *el; - int ret; - const char *name = NULL; - const char *pwd; - const char *gecos; - const char *homedir; - const char *shell; - uid_t uid; - gid_t gid; - struct sysdb_attrs *user_attrs; - char *upn = NULL; - size_t i; - char *val = NULL; - int cache_timeout; - char *usn_value = NULL; - size_t c; - char **missing = NULL; - TALLOC_CTX *tmpctx = NULL; - - DEBUG(9, ("Save user\n")); - - tmpctx = talloc_new(memctx); - if (!tmpctx) { - ret = ENOMEM; - goto fail; - } - - user_attrs = sysdb_new_attrs(tmpctx); - if (user_attrs == NULL) { - ret = ENOMEM; - goto fail; - } - - ret = sysdb_attrs_primary_name(ctx, attrs, - opts->user_map[SDAP_AT_USER_NAME].name, - &name); - if (ret != EOK) { - DEBUG(1, ("Failed to save the user - entry has no name attribute\n")); - goto fail; - } - - ret = sysdb_attrs_get_el(attrs, - opts->user_map[SDAP_AT_USER_PWD].sys_name, &el); - if (ret) goto fail; - if (el->num_values == 0) pwd = NULL; - else pwd = (const char *)el->values[0].data; - - ret = sysdb_attrs_get_el(attrs, - opts->user_map[SDAP_AT_USER_GECOS].sys_name, &el); - if (ret) goto fail; - if (el->num_values == 0) gecos = NULL; - else gecos = (const char *)el->values[0].data; - - if (!gecos) { - /* Fall back to the user's full name */ - ret = sysdb_attrs_get_el( - attrs, - opts->user_map[SDAP_AT_USER_FULLNAME].sys_name, &el); - if (ret) goto fail; - if (el->num_values > 0) gecos = (const char *)el->values[0].data; - } - - ret = sysdb_attrs_get_el(attrs, - opts->user_map[SDAP_AT_USER_HOME].sys_name, &el); - if (ret) goto fail; - if (el->num_values == 0) homedir = NULL; - else homedir = (const char *)el->values[0].data; - - ret = sysdb_attrs_get_el(attrs, - opts->user_map[SDAP_AT_USER_SHELL].sys_name, &el); - if (ret) goto fail; - if (el->num_values == 0) shell = NULL; - else shell = (const char *)el->values[0].data; - - ret = sysdb_attrs_get_uint32_t(attrs, - opts->user_map[SDAP_AT_USER_UID].sys_name, - &uid); - if (ret != EOK) { - DEBUG(1, ("no uid provided for [%s] in domain [%s].\n", - name, dom->name)); - ret = EINVAL; - goto fail; - } - - /* check that the uid is valid for this domain */ - if (OUT_OF_ID_RANGE(uid, dom->id_min, dom->id_max)) { - DEBUG(2, ("User [%s] filtered out! (id out of range)\n", - name)); - ret = EINVAL; - goto fail; - } - - ret = sysdb_attrs_get_uint32_t(attrs, - opts->user_map[SDAP_AT_USER_GID].sys_name, - &gid); - if (ret != EOK) { - DEBUG(1, ("no gid provided for [%s] in domain [%s].\n", - name, dom->name)); - ret = EINVAL; - goto fail; - } - - /* check that the gid is valid for this domain */ - if (OUT_OF_ID_RANGE(gid, dom->id_min, dom->id_max)) { - DEBUG(2, ("User [%s] filtered out! (id out of range)\n", - name)); - ret = EINVAL; - goto fail; - } - - ret = sysdb_attrs_get_el(attrs, SYSDB_ORIG_DN, &el); - if (ret) { - goto fail; - } - if (el->num_values == 0) { - DEBUG(7, ("Original DN is not available for [%s].\n", name)); - } else { - DEBUG(7, ("Adding original DN [%s] to attributes of [%s].\n", - el->values[0].data, name)); - ret = sysdb_attrs_add_string(user_attrs, SYSDB_ORIG_DN, - (const char *) el->values[0].data); - if (ret) { - goto fail; - } - } - - ret = sysdb_attrs_get_el(attrs, SYSDB_MEMBEROF, &el); - if (ret) { - goto fail; - } - if (el->num_values == 0) { - DEBUG(7, ("Original memberOf is not available for [%s].\n", - name)); - } else { - DEBUG(7, ("Adding original memberOf attributes to [%s].\n", - name)); - for (i = 0; i < el->num_values; i++) { - ret = sysdb_attrs_add_string(user_attrs, SYSDB_ORIG_MEMBEROF, - (const char *) el->values[i].data); - if (ret) { - goto fail; - } - } - } - - ret = sysdb_attrs_get_el(attrs, - opts->user_map[SDAP_AT_USER_MODSTAMP].sys_name, &el); - if (ret) { - goto fail; - } - if (el->num_values == 0) { - DEBUG(7, ("Original mod-Timestamp is not available for [%s].\n", - name)); - } else { - ret = sysdb_attrs_add_string(user_attrs, - opts->user_map[SDAP_AT_USER_MODSTAMP].sys_name, - (const char*)el->values[0].data); - if (ret) { - goto fail; - } - } - - ret = sysdb_attrs_get_el(attrs, - opts->user_map[SDAP_AT_USER_USN].sys_name, &el); - if (ret) { - goto fail; - } - if (el->num_values == 0) { - DEBUG(7, ("Original USN value is not available for [%s].\n", - name)); - } else { - ret = sysdb_attrs_add_string(user_attrs, - opts->user_map[SDAP_AT_USER_USN].sys_name, - (const char*)el->values[0].data); - if (ret) { - goto fail; - } - usn_value = talloc_strdup(memctx, (const char*)el->values[0].data); - if (!usn_value) { - ret = ENOMEM; - goto fail; - } - } - - ret = sysdb_attrs_get_el(attrs, - opts->user_map[SDAP_AT_USER_PRINC].sys_name, &el); - if (ret) { - goto fail; - } - if (el->num_values == 0) { - DEBUG(7, ("User principal is not available for [%s].\n", name)); - } else { - upn = talloc_strdup(user_attrs, (const char*) el->values[0].data); - if (!upn) { - ret = ENOMEM; - goto fail; - } - if (dp_opt_get_bool(opts->basic, SDAP_FORCE_UPPER_CASE_REALM)) { - make_realm_upper_case(upn); - } - DEBUG(7, ("Adding user principal [%s] to attributes of [%s].\n", - upn, name)); - ret = sysdb_attrs_add_string(user_attrs, SYSDB_UPN, upn); - if (ret) { - goto fail; - } - } - - for (i = SDAP_FIRST_EXTRA_USER_AT; i < SDAP_OPTS_USER; i++) { - ret = sysdb_attrs_get_el(attrs, opts->user_map[i].sys_name, &el); - if (ret) { - goto fail; - } - if (el->num_values > 0) { - for (c = 0; c < el->num_values; c++) { - DEBUG(9, ("Adding [%s]=[%s] to user attributes.\n", - opts->user_map[i].sys_name, - (const char*) el->values[c].data)); - val = talloc_strdup(user_attrs, (const char*) el->values[c].data); - if (val == NULL) { - ret = ENOMEM; - goto fail; - } - ret = sysdb_attrs_add_string(user_attrs, - opts->user_map[i].sys_name, val); - if (ret) { - goto fail; - } - } - } - } - - cache_timeout = dp_opt_get_int(opts->basic, SDAP_ENTRY_CACHE_TIMEOUT); - - if (is_initgr) { - ret = sysdb_attrs_add_time_t(user_attrs, SYSDB_INITGR_EXPIRE, - (cache_timeout ? - (time(NULL) + cache_timeout) : 0)); - if (ret) { - goto fail; - } - } - - /* Make sure that any attributes we requested from LDAP that we - * did not receive are also removed from the sysdb - */ - ret = list_missing_attrs(user_attrs, opts->user_map, SDAP_OPTS_USER, - ldap_attrs, attrs, &missing); - if (ret != EOK) { - goto fail; - } - - /* Remove missing attributes */ - if (missing && !missing[0]) { - /* Nothing to remove */ - talloc_zfree(missing); - } - - DEBUG(6, ("Storing info for user %s\n", name)); - - ret = sysdb_store_user(ctx, name, pwd, uid, gid, gecos, homedir, shell, - user_attrs, missing, cache_timeout); - if (ret) goto fail; - - if (_usn_value) { - *_usn_value = usn_value; - } - - talloc_steal(memctx, user_attrs); - talloc_free(tmpctx); - return EOK; - -fail: - DEBUG(2, ("Failed to save user [%s]\n", - name ? name : "Unknown")); - talloc_free(tmpctx); - return ret; -} - - -/* ==Generic-Function-to-save-multiple-users============================= */ - -static int sdap_save_users(TALLOC_CTX *memctx, - struct sysdb_ctx *sysdb, - const char **attrs, - struct sss_domain_info *dom, - struct sdap_options *opts, - struct sysdb_attrs **users, - int num_users, - char **_usn_value) -{ - TALLOC_CTX *tmpctx; - char *higher_usn = NULL; - char *usn_value; - int ret; - int i; - - if (num_users == 0) { - /* Nothing to do if there are no users */ - return EOK; - } - - tmpctx = talloc_new(memctx); - if (!tmpctx) { - return ENOMEM; - } - - ret = sysdb_transaction_start(sysdb); - if (ret) { - goto done; - } - - for (i = 0; i < num_users; i++) { - usn_value = NULL; - - ret = sdap_save_user(tmpctx, sysdb, opts, dom, - users[i], attrs, false, - &usn_value); - - /* Do not fail completely on errors. - * Just report the failure to save and go on */ - if (ret) { - DEBUG(2, ("Failed to store user %d. Ignoring.\n", i)); - } else { - DEBUG(9, ("User %d processed!\n", i)); - } - - if (usn_value) { - if (higher_usn) { - if ((strlen(usn_value) > strlen(higher_usn)) || - (strcmp(usn_value, higher_usn) > 0)) { - talloc_zfree(higher_usn); - higher_usn = usn_value; - } else { - talloc_zfree(usn_value); - } - } else { - higher_usn = usn_value; - } - } - } - - ret = sysdb_transaction_commit(sysdb); - if (ret) { - DEBUG(1, ("Failed to commit transaction!\n")); - goto done; - } - - if (_usn_value) { - *_usn_value = talloc_steal(memctx, higher_usn); - } - -done: - talloc_zfree(tmpctx); - return ret; -} - - -/* ==Search-Users-with-filter============================================= */ - -struct sdap_get_users_state { - struct tevent_context *ev; - struct sdap_options *opts; - struct sdap_handle *sh; - struct sss_domain_info *dom; - struct sysdb_ctx *sysdb; - const char **attrs; - const char *filter; - - char *higher_usn; - struct sysdb_attrs **users; - size_t count; -}; - -static void sdap_get_users_process(struct tevent_req *subreq); - -struct tevent_req *sdap_get_users_send(TALLOC_CTX *memctx, - struct tevent_context *ev, - struct sss_domain_info *dom, - struct sysdb_ctx *sysdb, - struct sdap_options *opts, - struct sdap_handle *sh, - const char **attrs, - const char *filter, - int timeout) -{ - struct tevent_req *req, *subreq; - struct sdap_get_users_state *state; - - req = tevent_req_create(memctx, &state, struct sdap_get_users_state); - if (!req) return NULL; - - state->ev = ev; - state->opts = opts; - state->dom = dom; - state->sh = sh; - state->sysdb = sysdb; - state->filter = filter; - state->attrs = attrs; - state->higher_usn = NULL; - state->users = NULL; - state->count = 0; - - subreq = sdap_get_generic_send(state, state->ev, state->opts, state->sh, - dp_opt_get_string(state->opts->basic, - SDAP_USER_SEARCH_BASE), - LDAP_SCOPE_SUBTREE, - state->filter, state->attrs, - state->opts->user_map, SDAP_OPTS_USER, - timeout); - if (!subreq) { - talloc_zfree(req); - return NULL; - } - tevent_req_set_callback(subreq, sdap_get_users_process, req); - - return req; -} - -static void sdap_get_users_process(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data(subreq, - struct tevent_req); - struct sdap_get_users_state *state = tevent_req_data(req, - struct sdap_get_users_state); - int ret; - - ret = sdap_get_generic_recv(subreq, state, - &state->count, &state->users); - talloc_zfree(subreq); - if (ret) { - tevent_req_error(req, ret); - return; - } - - DEBUG(6, ("Search for users, returned %d results.\n", state->count)); - - if (state->count == 0) { - tevent_req_error(req, ENOENT); - return; - } - - ret = sdap_save_users(state, state->sysdb, - state->attrs, - state->dom, state->opts, - state->users, state->count, - &state->higher_usn); - if (ret) { - DEBUG(2, ("Failed to store users.\n")); - tevent_req_error(req, ret); - return; - } - - DEBUG(9, ("Saving %d Users - Done\n", state->count)); - - tevent_req_done(req); -} - -int sdap_get_users_recv(struct tevent_req *req, - TALLOC_CTX *mem_ctx, char **usn_value) -{ - struct sdap_get_users_state *state = tevent_req_data(req, - struct sdap_get_users_state); - - TEVENT_REQ_RETURN_ON_ERROR(req); - - if (usn_value) { - *usn_value = talloc_steal(mem_ctx, state->higher_usn); - } - - return EOK; -} - /* ==Group-Parsing Routines=============================================== */ static int sdap_find_entry_by_origDN(TALLOC_CTX *memctx, @@ -663,7 +178,9 @@ done: /* FIXME: support storing additional attributes */ static errno_t -sdap_store_group_with_gid(struct sysdb_ctx *ctx, +sdap_store_group_with_gid(TALLOC_CTX *mem_ctx, + struct sysdb_ctx *ctx, + struct sss_domain_info *domain, const char *name, gid_t gid, struct sysdb_attrs *group_attrs, @@ -852,7 +369,8 @@ static int sdap_save_group(TALLOC_CTX *memctx, DEBUG(6, ("Storing info for group %s\n", name)); - ret = sdap_store_group_with_gid(ctx, name, gid, group_attrs, + ret = sdap_store_group_with_gid(group_attrs, ctx, dom, + name, gid, group_attrs, dp_opt_get_int(opts->basic, SDAP_ENTRY_CACHE_TIMEOUT), posix_group); @@ -1308,8 +826,8 @@ sdap_process_group_members_2307(struct sdap_process_group_state *state, /* We need to skip over zero-length usernames */ if (member_name[0] == '\0') continue; - ret = sysdb_search_user_by_name(state, state->sysdb, member_name, - NULL, &msg); + ret = sysdb_search_user_by_name(state, state->sysdb, + member_name, NULL, &msg); if (ret == EOK) { strdn = sysdb_user_strdn(state->sysdb_dns->values, state->dom->name, @@ -2080,1260 +1598,6 @@ done: return ret; } -/* ==Save-fake-group-list=====================================*/ -static errno_t sdap_add_incomplete_groups(struct sysdb_ctx *sysdb, - struct sdap_options *opts, - struct sss_domain_info *dom, - char **groupnames, - struct sysdb_attrs **ldap_groups, - int ldap_groups_count) -{ - TALLOC_CTX *tmp_ctx; - struct ldb_message *msg; - int i, mi, ai; - const char *name; - const char *original_dn; - char **missing; - gid_t gid; - int ret; - bool in_transaction = false; - bool posix; - - /* There are no groups in LDAP but we should add user to groups ?? */ - if (ldap_groups_count == 0) return EOK; - - tmp_ctx = talloc_new(NULL); - if (!tmp_ctx) return ENOMEM; - - missing = talloc_array(tmp_ctx, char *, ldap_groups_count+1); - if (!missing) { - ret = ENOMEM; - goto fail; - } - mi = 0; - - ret = sysdb_transaction_start(sysdb); - if (ret != EOK) { - DEBUG(1, ("Cannot start sysdb transaction [%d]: %s\n", - ret, strerror(ret))); - goto fail; - } - in_transaction = true; - - for (i=0; groupnames[i]; i++) { - ret = sysdb_search_group_by_name(tmp_ctx, sysdb, - groupnames[i], NULL, &msg); - if (ret == EOK) { - continue; - } else if (ret == ENOENT) { - DEBUG(7, ("Group #%d [%s] is not cached, need to add a fake entry\n", - i, groupnames[i])); - missing[mi] = groupnames[i]; - mi++; - continue; - } else if (ret != ENOENT) { - DEBUG(1, ("search for group failed [%d]: %s\n", - ret, strerror(ret))); - goto fail; - } - } - missing[mi] = NULL; - - /* All groups are cached, nothing to do */ - if (mi == 0) { - talloc_zfree(tmp_ctx); - goto done; - } - - for (i=0; missing[i]; i++) { - /* The group is not in sysdb, need to add a fake entry */ - for (ai=0; ai < ldap_groups_count; ai++) { - ret = sysdb_attrs_primary_name(sysdb, ldap_groups[ai], - opts->group_map[SDAP_AT_GROUP_NAME].name, - &name); - if (ret != EOK) { - DEBUG(1, ("The group has no name attribute\n")); - goto fail; - } - - if (strcmp(name, missing[i]) == 0) { - posix = true; - ret = sysdb_attrs_get_uint32_t(ldap_groups[ai], - SYSDB_GIDNUM, - &gid); - if (ret == ENOENT || (ret == EOK && gid == 0)) { - DEBUG(9, ("The group %s gid was %s\n", - name, ret == ENOENT ? "missing" : "zero")); - DEBUG(8, ("Marking group %s as non-posix and setting GID=0!\n", name)); - gid = 0; - posix = false; - } else if (ret) { - DEBUG(1, ("The GID attribute is malformed\n")); - goto fail; - } - - ret = sysdb_attrs_get_string(ldap_groups[ai], - SYSDB_ORIG_DN, - &original_dn); - if (ret) { - DEBUG(5, ("The group has no name original DN\n")); - original_dn = NULL; - } - - DEBUG(8, ("Adding fake group %s to sysdb\n", name)); - ret = sysdb_add_incomplete_group(sysdb, name, - gid, original_dn, posix); - if (ret != EOK) { - goto fail; - } - break; - } - } - - if (ai == ldap_groups_count) { - DEBUG(2, ("Group %s not present in LDAP\n", missing[i])); - ret = EINVAL; - goto fail; - } - } - -done: - ret = sysdb_transaction_commit(sysdb); - if (ret != EOK) { - DEBUG(1, ("sysdb_transaction_commit failed.\n")); - goto fail; - } - in_transaction = false; - ret = EOK; -fail: - if (in_transaction) { - sysdb_transaction_cancel(sysdb); - } - return ret; -} - -static int sdap_initgr_common_store(struct sysdb_ctx *sysdb, - struct sdap_options *opts, - struct sss_domain_info *dom, - const char *name, - enum sysdb_member_type type, - char **sysdb_grouplist, - struct sysdb_attrs **ldap_groups, - int ldap_groups_count, - bool add_fake) -{ - TALLOC_CTX *tmp_ctx; - char **ldap_grouplist = NULL; - char **add_groups; - char **del_groups; - int ret; - - tmp_ctx = talloc_new(NULL); - if (!tmp_ctx) return ENOMEM; - - if (ldap_groups_count == 0) { - /* No groups for this user in LDAP. - * We need to ensure that there are no groups - * in the sysdb either. - */ - ldap_grouplist = NULL; - } else { - ret = sysdb_attrs_primary_name_list( - sysdb, tmp_ctx, - ldap_groups, ldap_groups_count, - opts->group_map[SDAP_AT_GROUP_NAME].name, - &ldap_grouplist); - if (ret != EOK) { - DEBUG(1, ("sysdb_attrs_primary_name_list failed [%d]: %s\n", - ret, strerror(ret))); - goto done; - } - } - - /* Find the differences between the sysdb and LDAP lists - * Groups in the sysdb only must be removed. - */ - ret = diff_string_lists(tmp_ctx, ldap_grouplist, sysdb_grouplist, - &add_groups, &del_groups, NULL); - if (ret != EOK) goto done; - - /* Add fake entries for any groups the user should be added as - * member of but that are not cached in sysdb - */ - if (add_fake && add_groups && add_groups[0]) { - ret = sdap_add_incomplete_groups(sysdb, opts, dom, - add_groups, ldap_groups, - ldap_groups_count); - if (ret != EOK) { - DEBUG(1, ("Adding incomplete users failed\n")); - goto done; - } - } - - DEBUG(8, ("Updating memberships for %s\n", name)); - ret = sysdb_update_members(sysdb, name, type, - (const char *const *) add_groups, - (const char *const *) del_groups); - if (ret != EOK) { - DEBUG(1, ("Membership update failed [%d]: %s\n", - ret, strerror(ret))); - goto done; - } - - ret = EOK; -done: - talloc_zfree(tmp_ctx); - return ret; -} - -/* ==Initgr-call-(groups-a-user-is-member-of)-RFC2307-Classic/BIS========= */ - -struct sdap_initgr_rfc2307_state { - struct tevent_context *ev; - struct sysdb_ctx *sysdb; - struct sdap_options *opts; - struct sss_domain_info *dom; - struct sdap_handle *sh; - const char *name; - - struct sdap_op *op; - - struct sysdb_attrs **ldap_groups; - size_t ldap_groups_count; -}; - -static void sdap_initgr_rfc2307_process(struct tevent_req *subreq); -struct tevent_req *sdap_initgr_rfc2307_send(TALLOC_CTX *memctx, - struct tevent_context *ev, - struct sdap_options *opts, - struct sysdb_ctx *sysdb, - struct sss_domain_info *dom, - struct sdap_handle *sh, - const char *base_dn, - const char *name) -{ - struct tevent_req *req, *subreq; - struct sdap_initgr_rfc2307_state *state; - const char *filter; - const char **attrs; - char *clean_name; - errno_t ret; - - req = tevent_req_create(memctx, &state, struct sdap_initgr_rfc2307_state); - if (!req) return NULL; - - state->ev = ev; - state->opts = opts; - state->sysdb = sysdb; - state->dom = dom; - state->sh = sh; - state->op = NULL; - state->name = talloc_strdup(state, name); - if (!state->name) { - talloc_zfree(req); - return NULL; - } - - ret = build_attrs_from_map(state, opts->group_map, - SDAP_OPTS_GROUP, &attrs); - if (ret != EOK) { - talloc_free(req); - return NULL; - } - - ret = sss_filter_sanitize(state, name, &clean_name); - if (ret != EOK) { - talloc_free(req); - return NULL; - } - - filter = talloc_asprintf(state, - "(&(%s=%s)(objectclass=%s)(%s=*)(&(%s=*)(!(%s=0))))", - opts->group_map[SDAP_AT_GROUP_MEMBER].name, - clean_name, - opts->group_map[SDAP_OC_GROUP].name, - opts->group_map[SDAP_AT_GROUP_NAME].name, - opts->group_map[SDAP_AT_GROUP_GID].name, - opts->group_map[SDAP_AT_GROUP_GID].name); - if (!filter) { - talloc_zfree(req); - return NULL; - } - talloc_zfree(clean_name); - - subreq = sdap_get_generic_send(state, state->ev, state->opts, - state->sh, base_dn, LDAP_SCOPE_SUBTREE, - filter, attrs, - state->opts->group_map, SDAP_OPTS_GROUP, - dp_opt_get_int(state->opts->basic, - SDAP_SEARCH_TIMEOUT)); - if (!subreq) { - talloc_zfree(req); - return NULL; - } - tevent_req_set_callback(subreq, sdap_initgr_rfc2307_process, req); - - return req; -} - -static void sdap_initgr_rfc2307_process(struct tevent_req *subreq) -{ - struct tevent_req *req; - struct sdap_initgr_rfc2307_state *state; - struct sysdb_attrs **ldap_groups; - char **sysdb_grouplist = NULL; - struct ldb_message *msg; - struct ldb_message_element *groups; - size_t count; - const char *attrs[2]; - int ret; - int i; - - req = tevent_req_callback_data(subreq, struct tevent_req); - state = tevent_req_data(req, struct sdap_initgr_rfc2307_state); - - ret = sdap_get_generic_recv(subreq, state, &count, &ldap_groups); - talloc_zfree(subreq); - if (ret) { - tevent_req_error(req, ret); - return; - } - - /* Search for all groups for which this user is a member */ - attrs[0] = SYSDB_MEMBEROF; - attrs[1] = NULL; - ret = sysdb_search_user_by_name(state, state->sysdb, - state->name, attrs, &msg); - if (ret != EOK) { - tevent_req_error(req, ret); - return; - } - - groups = ldb_msg_find_element(msg, SYSDB_MEMBEROF); - if (!groups || groups->num_values == 0) { - /* No groups for this user in sysdb currently */ - sysdb_grouplist = NULL; - } else { - sysdb_grouplist = talloc_array(state, char *, groups->num_values+1); - if (!sysdb_grouplist) { - tevent_req_error(req, ENOMEM); - return; - } - - /* Get a list of the groups by groupname only */ - for (i=0; i < groups->num_values; i++) { - ret = sysdb_group_dn_name(state->sysdb, - sysdb_grouplist, - (const char *)groups->values[i].data, - &sysdb_grouplist[i]); - if (ret != EOK) { - tevent_req_error(req, ret); - return; - } - } - sysdb_grouplist[groups->num_values] = NULL; - } - - /* There are no nested groups here so we can just update the - * memberships */ - ret = sdap_initgr_common_store(state->sysdb, state->opts, - state->dom, state->name, - SYSDB_MEMBER_USER, sysdb_grouplist, - ldap_groups, count, true); - if (ret != EOK) { - tevent_req_error(req, ret); - return; - } - - tevent_req_done(req); -} - -static int sdap_initgr_rfc2307_recv(struct tevent_req *req) -{ - TEVENT_REQ_RETURN_ON_ERROR(req); - - return EOK; -} - - -/* ==Initgr-call-(groups-a-user-is-member-of)-nested-groups=============== */ - -struct sdap_initgr_nested_state { - struct tevent_context *ev; - struct sysdb_ctx *sysdb; - struct sdap_options *opts; - struct sss_domain_info *dom; - struct sdap_handle *sh; - - struct sysdb_attrs *user; - const char *username; - - const char **grp_attrs; - - char *filter; - char **group_dns; - int count; - int cur; - - struct sdap_op *op; - - struct sysdb_attrs **groups; - int groups_cur; -}; - -static void sdap_initgr_nested_search(struct tevent_req *subreq); -static void sdap_initgr_nested_store(struct tevent_req *req); -static struct tevent_req *sdap_initgr_nested_send(TALLOC_CTX *memctx, - struct tevent_context *ev, - struct sdap_options *opts, - struct sysdb_ctx *sysdb, - struct sss_domain_info *dom, - struct sdap_handle *sh, - struct sysdb_attrs *user, - const char **grp_attrs) -{ - struct tevent_req *req, *subreq; - struct sdap_initgr_nested_state *state; - struct ldb_message_element *el; - int i; - errno_t ret; - - req = tevent_req_create(memctx, &state, struct sdap_initgr_nested_state); - if (!req) return NULL; - - state->ev = ev; - state->opts = opts; - state->sysdb = sysdb; - state->dom = dom; - state->sh = sh; - state->grp_attrs = grp_attrs; - state->user = user; - state->op = NULL; - - ret = sysdb_attrs_primary_name(sysdb, user, - opts->user_map[SDAP_AT_USER_NAME].name, - &state->username); - if (ret != EOK) { - DEBUG(1, ("User entry had no username\n")); - talloc_free(req); - return NULL; - } - - state->filter = talloc_asprintf(state, "(&(objectclass=%s)(%s=*))", - opts->group_map[SDAP_OC_GROUP].name, - opts->group_map[SDAP_AT_GROUP_NAME].name); - if (!state->filter) { - talloc_zfree(req); - return NULL; - } - - /* TODO: test rootDSE for deref support and use it if available */ - /* TODO: or test rootDSE for ASQ support and use it if available */ - - ret = sysdb_attrs_get_el(user, SYSDB_MEMBEROF, &el); - if (ret || !el || el->num_values == 0) { - DEBUG(4, ("User entry lacks original memberof ?\n")); - /* We can't find any groups for this user, so we'll - * have to assume there aren't any. Just return - * success here. - */ - tevent_req_done(req); - tevent_req_post(req, ev); - return req; - } - state->count = el->num_values; - - state->groups = talloc_zero_array(state, struct sysdb_attrs *, - state->count + 1);; - if (!state->groups) { - talloc_zfree(req); - return NULL; - } - state->groups_cur = 0; - - state->group_dns = talloc_array(state, char *, state->count + 1); - if (!state->group_dns) { - talloc_zfree(req); - return NULL; - } - for (i = 0; i < state->count; i++) { - state->group_dns[i] = talloc_strdup(state->group_dns, - (char *)el->values[i].data); - if (!state->group_dns[i]) { - talloc_zfree(req); - return NULL; - } - } - state->group_dns[i] = NULL; /* terminate */ - state->cur = 0; - - subreq = sdap_get_generic_send(state, state->ev, state->opts, state->sh, - state->group_dns[state->cur], - LDAP_SCOPE_BASE, - state->filter, state->grp_attrs, - state->opts->group_map, SDAP_OPTS_GROUP, - dp_opt_get_int(state->opts->basic, - SDAP_SEARCH_TIMEOUT)); - if (!subreq) { - talloc_zfree(req); - return NULL; - } - tevent_req_set_callback(subreq, sdap_initgr_nested_search, req); - - return req; -} - -static void sdap_initgr_nested_search(struct tevent_req *subreq) -{ - struct tevent_req *req; - struct sdap_initgr_nested_state *state; - struct sysdb_attrs **groups; - size_t count; - int ret; - - req = tevent_req_callback_data(subreq, struct tevent_req); - state = tevent_req_data(req, struct sdap_initgr_nested_state); - - ret = sdap_get_generic_recv(subreq, state, &count, &groups); - talloc_zfree(subreq); - if (ret) { - tevent_req_error(req, ret); - return; - } - - if (count == 1) { - state->groups[state->groups_cur] = groups[0]; - state->groups_cur++; - } else { - DEBUG(2, ("Search for group %s, returned %d results. Skipping\n", - state->group_dns[state->cur], count)); - } - - state->cur++; - if (state->cur < state->count) { - subreq = sdap_get_generic_send(state, state->ev, - state->opts, state->sh, - state->group_dns[state->cur], - LDAP_SCOPE_BASE, - state->filter, state->grp_attrs, - state->opts->group_map, - SDAP_OPTS_GROUP, - dp_opt_get_int(state->opts->basic, - SDAP_SEARCH_TIMEOUT)); - if (!subreq) { - tevent_req_error(req, ENOMEM); - return; - } - tevent_req_set_callback(subreq, sdap_initgr_nested_search, req); - } else { - sdap_initgr_nested_store(req); - } -} - -static int sdap_initgr_nested_store_group(struct sysdb_ctx *sysdb, - struct sdap_options *opts, - struct sss_domain_info *dom, - struct sysdb_attrs *group, - struct sysdb_attrs **groups, - int ngroups); - -static void sdap_initgr_nested_store(struct tevent_req *req) -{ - struct sdap_initgr_nested_state *state; - - struct ldb_message_element *el; - errno_t ret; - int i, mi; - struct ldb_message **direct_sysdb_groups = NULL; - size_t direct_sysdb_count = 0; - - const char *orig_dn; - const char *user_dn; - struct ldb_dn *basedn; - static const char *group_attrs[] = { SYSDB_NAME, NULL }; - const char *member_filter; - char **sysdb_grouplist = NULL; - char **ldap_grouplist = NULL; - const char *tmp_str; - - int ndirect; - struct sysdb_attrs **direct_groups; - - state = tevent_req_data(req, struct sdap_initgr_nested_state); - - /* Get direct LDAP parents */ - ret = sysdb_attrs_get_string(state->user, SYSDB_ORIG_DN, &orig_dn); - if (ret != EOK) { - DEBUG(2, ("The user has no original DN\n")); - goto done; - } - - direct_groups = talloc_zero_array(state, struct sysdb_attrs *, - state->count + 1); - if (!direct_groups) { - ret = ENOMEM; - goto done; - } - ndirect = 0; - - for (i=0; i < state->groups_cur ; i++) { - ret = sysdb_attrs_get_el(state->groups[i], SYSDB_MEMBER, &el); - if (ret) { - DEBUG(3, ("A group with no members during initgroups?\n")); - goto done; - } - - for (mi = 0; mi < el->num_values; mi++) { - if (strcasecmp((const char *) el->values[mi].data, orig_dn) != 0) { - continue; - } - - direct_groups[ndirect] = state->groups[i]; - ndirect++; - } - } - - DEBUG(7, ("The user %s is a direct member of %d LDAP groups\n", - state->username, ndirect)); - - /* Get direct sysdb parents */ - user_dn = sysdb_user_strdn(state, state->dom->name, state->username); - if (!user_dn) { - ret = ENOMEM; - goto done; - } - - member_filter = talloc_asprintf(state, "(&(%s=%s)(%s=%s))", - SYSDB_OBJECTCLASS, SYSDB_GROUP_CLASS, - SYSDB_MEMBER, user_dn); - if (!member_filter) { - ret = ENOMEM; - goto done; - } - - basedn = ldb_dn_new_fmt(state, sysdb_ctx_get_ldb(state->sysdb), - SYSDB_TMPL_GROUP_BASE, - state->dom->name); - if (!basedn) { - ret = ENOMEM; - goto done; - } - - DEBUG(8, ("searching sysdb with filter [%s]\n", member_filter)); - - ret = sysdb_search_entry(state, state->sysdb, basedn, - LDB_SCOPE_SUBTREE, member_filter, group_attrs, - &direct_sysdb_count, &direct_sysdb_groups); - if (ret == EOK) { - /* Get the list of sysdb groups by name */ - sysdb_grouplist = talloc_array(state, char *, direct_sysdb_count+1); - if (!sysdb_grouplist) { - ret = ENOMEM; - goto done; - } - - for(i = 0; i < direct_sysdb_count; i++) { - tmp_str = ldb_msg_find_attr_as_string(direct_sysdb_groups[i], - SYSDB_NAME, NULL); - if (!tmp_str) { - /* This should never happen, but if it does, just continue */ - continue; - } - - sysdb_grouplist[i] = talloc_strdup(sysdb_grouplist, tmp_str); - if (!sysdb_grouplist[i]) { - DEBUG(1, ("A group with no name?\n")); - ret = EIO; - goto done; - } - } - sysdb_grouplist[i] = NULL; - } else if (ret == ENOENT) { - direct_sysdb_groups = NULL; - direct_sysdb_count = 0; - } else { - DEBUG(2, ("sysdb_search_entry failed: [%d]: %s\n", ret, strerror(ret))); - goto done; - } - DEBUG(7, ("The user %s is a member of %d sysdb groups\n", - state->username, direct_sysdb_count)); - - /* Store the direct parents with full member/memberof pairs */ - ret = sdap_initgr_common_store(state->sysdb, state->opts, - state->dom, - state->username, - SYSDB_MEMBER_USER, - sysdb_grouplist, - direct_groups, - ndirect, true); - if (ret != EOK) { - DEBUG(1, ("sdap_initgr_common_store failed [%d]: %s\n", - ret, strerror(ret))); - goto done; - } - - /* Not all indirect groups may be cached. - * Add fake entries for those that are not */ - ret = sysdb_attrs_primary_name_list( - state->sysdb, state, - state->groups, state->groups_cur, - state->opts->group_map[SDAP_AT_GROUP_NAME].name, - &ldap_grouplist); - if (ret != EOK) { - DEBUG(1, ("sysdb_attrs_primary_name_list failed [%d]: %s\n", - ret, strerror(ret))); - goto done; - } - - ret = sdap_add_incomplete_groups(state->sysdb, state->opts, - state->dom, ldap_grouplist, - state->groups, state->groups_cur); - if (ret != EOK) { - DEBUG(1, ("adding incomplete groups failed [%d]: %s\n", - ret, strerror(ret))); - goto done; - } - - /* Set the indirect memberships */ - for (i=0; i < state->groups_cur ; i++) { - ret = sdap_initgr_nested_store_group(state->sysdb, state->opts, - state->dom, state->groups[i], - state->groups, state->groups_cur); - if (ret != EOK) { - DEBUG(2, ("Cannot fix nested group membership\n")); - goto done; - } - } - -done: - if (ret != EOK) { - tevent_req_error(req, ret); - return; - } - - tevent_req_done(req); -} - -static int sdap_initgr_nested_get_direct_parents(TALLOC_CTX *mem_ctx, - struct sysdb_attrs *attrs, - struct sysdb_attrs **groups, - int ngroups, - struct sysdb_attrs ***_direct_parents, - int *_ndirect); - -static int sdap_initgr_nested_store_group(struct sysdb_ctx *sysdb, - struct sdap_options *opts, - struct sss_domain_info *dom, - struct sysdb_attrs *group, - struct sysdb_attrs **groups, - int ngroups) -{ - TALLOC_CTX *tmp_ctx; - const char *member_filter; - const char *group_orig_dn; - const char *group_name; - const char *group_dn; - int ret; - int i; - struct ldb_message **direct_sysdb_groups = NULL; - size_t direct_sysdb_count = 0; - static const char *group_attrs[] = { SYSDB_NAME, NULL }; - struct ldb_dn *basedn; - int ndirect; - struct sysdb_attrs **direct_groups; - char **sysdb_grouplist = NULL; - const char *tmp_str; - - tmp_ctx = talloc_new(NULL); - if (!tmp_ctx) return ENOMEM; - - basedn = ldb_dn_new_fmt(tmp_ctx, sysdb_ctx_get_ldb(sysdb), - SYSDB_TMPL_GROUP_BASE, - dom->name); - if (!basedn) { - ret = ENOMEM; - goto done; - } - - ret = sysdb_attrs_get_string(group, SYSDB_ORIG_DN, &group_orig_dn); - if (ret != EOK) { - goto done; - } - - ret = sysdb_attrs_primary_name(sysdb, group, - opts->group_map[SDAP_AT_GROUP_NAME].name, - &group_name); - if (ret != EOK) { - goto done; - } - - /* Get direct sysdb parents */ - group_dn = sysdb_group_strdn(tmp_ctx, dom->name, group_name); - if (!group_dn) { - ret = ENOMEM; - goto done; - } - - member_filter = talloc_asprintf(tmp_ctx, "(&(%s=%s)(%s=%s))", - SYSDB_OBJECTCLASS, SYSDB_GROUP_CLASS, - SYSDB_MEMBER, group_dn); - if (!member_filter) { - ret = ENOMEM; - goto done; - } - - DEBUG(8, ("searching sysdb with filter %s\n", member_filter)); - - ret = sysdb_search_entry(tmp_ctx, sysdb, basedn, - LDB_SCOPE_SUBTREE, member_filter, group_attrs, - &direct_sysdb_count, &direct_sysdb_groups); - if (ret == EOK) { - /* Get the list of sysdb groups by name */ - sysdb_grouplist = talloc_array(tmp_ctx, char *, direct_sysdb_count+1); - if (!sysdb_grouplist) { - ret = ENOMEM; - goto done; - } - - for(i = 0; i < direct_sysdb_count; i++) { - tmp_str = ldb_msg_find_attr_as_string(direct_sysdb_groups[i], - SYSDB_NAME, NULL); - if (!tmp_str) { - /* This should never happen, but if it does, just continue */ - continue; - } - - sysdb_grouplist[i] = talloc_strdup(sysdb_grouplist, tmp_str); - if (!sysdb_grouplist[i]) { - DEBUG(1, ("A group with no name?\n")); - ret = EIO; - goto done; - } - } - sysdb_grouplist[i] = NULL; - } else if (ret == ENOENT) { - sysdb_grouplist = NULL; - direct_sysdb_count = 0; - } else { - DEBUG(2, ("sysdb_search_entry failed: [%d]: %s\n", ret, strerror(ret))); - goto done; - } - DEBUG(7, ("The group %s is a member of %d sysdb groups\n", - group_name, direct_sysdb_count)); - - /* Filter only parents from full set */ - ret = sdap_initgr_nested_get_direct_parents(tmp_ctx, group, groups, - ngroups, &direct_groups, - &ndirect); - if (ret != EOK) { - DEBUG(1, ("Cannot get parent groups [%d]: %s\n", - ret, strerror(ret))); - goto done; - } - DEBUG(7, ("The group %s is a direct member of %d LDAP groups\n", - group_name, ndirect)); - - /* Store the direct parents with full member/memberof pairs */ - ret = sdap_initgr_common_store(sysdb, opts, dom, group_name, - SYSDB_MEMBER_GROUP, sysdb_grouplist, - direct_groups, ndirect, false); - if (ret != EOK) { - DEBUG(1, ("sdap_initgr_common_store failed [%d]: %s\n", - ret, strerror(ret))); - goto done; - } - - ret = EOK; -done: - talloc_zfree(tmp_ctx); - return ret; -} - -static int sdap_initgr_nested_get_direct_parents(TALLOC_CTX *mem_ctx, - struct sysdb_attrs *attrs, - struct sysdb_attrs **groups, - int ngroups, - struct sysdb_attrs ***_direct_parents, - int *_ndirect) -{ - TALLOC_CTX *tmp_ctx; - struct ldb_message_element *member; - int i, mi; - int ret; - const char *orig_dn; - - int ndirect; - struct sysdb_attrs **direct_groups; - - tmp_ctx = talloc_new(NULL); - if (!tmp_ctx) return ENOMEM; - - - direct_groups = talloc_zero_array(tmp_ctx, struct sysdb_attrs *, - ngroups + 1); - if (!direct_groups) { - ret = ENOMEM; - goto done; - } - ndirect = 0; - - ret = sysdb_attrs_get_string(attrs, SYSDB_ORIG_DN, &orig_dn); - if (ret != EOK) { - DEBUG(3, ("Missing originalDN\n")); - goto done; - } - DEBUG(9, ("Looking up direct parents for group [%s]\n", orig_dn)); - - /* FIXME - Filter only parents from full set to avoid searching - * through all members of huge groups. That requires asking for memberOf - * with the group LDAP search - */ - - /* Filter only direct parents from the list of all groups */ - for (i=0; i < ngroups; i++) { - ret = sysdb_attrs_get_el(groups[i], SYSDB_MEMBER, &member); - if (ret) { - DEBUG(7, ("A group with no members during initgroups?\n")); - continue; - } - - for (mi = 0; mi < member->num_values; mi++) { - if (strcasecmp((const char *) member->values[mi].data, orig_dn) != 0) { - continue; - } - - direct_groups[ndirect] = groups[i]; - ndirect++; - } - } - direct_groups[ndirect] = NULL; - - DEBUG(9, ("The group [%s] has %d direct parents\n", orig_dn, ndirect)); - - *_direct_parents = direct_groups; - *_ndirect = ndirect; - ret = EOK; -done: - talloc_zfree(tmp_ctx); - return ret; -} - -static int sdap_initgr_nested_recv(struct tevent_req *req) -{ - TEVENT_REQ_RETURN_ON_ERROR(req); - - return EOK; -} - - -/* ==Initgr-call-(groups-a-user-is-member-of)============================= */ - -struct sdap_get_initgr_state { - struct tevent_context *ev; - struct sysdb_ctx *sysdb; - struct sdap_options *opts; - struct sss_domain_info *dom; - struct sdap_handle *sh; - struct sdap_id_ctx *id_ctx; - const char *name; - const char **grp_attrs; - const char **ldap_attrs; - - struct sysdb_attrs *orig_user; -}; - -static void sdap_get_initgr_user(struct tevent_req *subreq); -static void sdap_get_initgr_done(struct tevent_req *subreq); - -struct tevent_req *sdap_get_initgr_send(TALLOC_CTX *memctx, - struct tevent_context *ev, - struct sdap_handle *sh, - struct sdap_id_ctx *id_ctx, - const char *name, - const char **grp_attrs) -{ - struct tevent_req *req, *subreq; - struct sdap_get_initgr_state *state; - const char *base_dn; - char *filter; - int ret; - char *clean_name; - - DEBUG(9, ("Retrieving info for initgroups call\n")); - - req = tevent_req_create(memctx, &state, struct sdap_get_initgr_state); - if (!req) return NULL; - - state->ev = ev; - state->opts = id_ctx->opts; - state->sysdb = id_ctx->be->sysdb; - state->dom = id_ctx->be->domain; - state->sh = sh; - state->id_ctx = id_ctx; - state->name = name; - state->grp_attrs = grp_attrs; - state->orig_user = NULL; - - ret = sss_filter_sanitize(state, name, &clean_name); - if (ret != EOK) { - return NULL; - } - - filter = talloc_asprintf(state, "(&(%s=%s)(objectclass=%s))", - state->opts->user_map[SDAP_AT_USER_NAME].name, - clean_name, - state->opts->user_map[SDAP_OC_USER].name); - if (!filter) { - talloc_zfree(req); - return NULL; - } - - base_dn = dp_opt_get_string(state->opts->basic, - SDAP_USER_SEARCH_BASE); - if (!base_dn) { - talloc_zfree(req); - return NULL; - } - - ret = build_attrs_from_map(state, state->opts->user_map, - SDAP_OPTS_USER, &state->ldap_attrs); - if (ret) { - talloc_zfree(req); - return NULL; - } - - subreq = sdap_get_generic_send(state, state->ev, - state->opts, state->sh, - base_dn, LDAP_SCOPE_SUBTREE, - filter, state->ldap_attrs, - state->opts->user_map, SDAP_OPTS_USER, - dp_opt_get_int(state->opts->basic, - SDAP_SEARCH_TIMEOUT)); - if (!subreq) { - talloc_zfree(req); - return NULL; - } - tevent_req_set_callback(subreq, sdap_get_initgr_user, req); - - return req; -} - -static struct tevent_req *sdap_initgr_rfc2307bis_send( - TALLOC_CTX *memctx, - struct tevent_context *ev, - struct sdap_options *opts, - struct sysdb_ctx *sysdb, - struct sss_domain_info *dom, - struct sdap_handle *sh, - const char *base_dn, - const char *name, - const char *orig_dn); -static void sdap_get_initgr_user(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data(subreq, - struct tevent_req); - struct sdap_get_initgr_state *state = tevent_req_data(req, - struct sdap_get_initgr_state); - struct sysdb_attrs **usr_attrs; - size_t count; - int ret; - const char *orig_dn; - - DEBUG(9, ("Receiving info for the user\n")); - - ret = sdap_get_generic_recv(subreq, state, &count, &usr_attrs); - talloc_zfree(subreq); - if (ret) { - tevent_req_error(req, ret); - return; - } - - if (count != 1) { - DEBUG(2, ("Expected one user entry and got %d\n", count)); - tevent_req_error(req, ENOENT); - return; - } - - state->orig_user = usr_attrs[0]; - - ret = sysdb_transaction_start(state->sysdb); - if (ret) { - tevent_req_error(req, ret); - return; - } - - DEBUG(9, ("Storing the user\n")); - - ret = sdap_save_user(state, state->sysdb, - state->opts, state->dom, - state->orig_user, state->ldap_attrs, - true, NULL); - if (ret) { - sysdb_transaction_cancel(state->sysdb); - tevent_req_error(req, ret); - return; - } - - DEBUG(9, ("Commit change\n")); - - ret = sysdb_transaction_commit(state->sysdb); - if (ret) { - tevent_req_error(req, ret); - return; - } - - DEBUG(9, ("Process user's groups\n")); - - switch (state->opts->schema_type) { - case SDAP_SCHEMA_RFC2307: - subreq = sdap_initgr_rfc2307_send(state, state->ev, state->opts, - state->sysdb, state->dom, state->sh, - dp_opt_get_string(state->opts->basic, - SDAP_GROUP_SEARCH_BASE), - state->name); - if (!subreq) { - tevent_req_error(req, ENOMEM); - return; - } - tevent_req_set_callback(subreq, sdap_get_initgr_done, req); - break; - - case SDAP_SCHEMA_RFC2307BIS: - ret = sysdb_attrs_get_string(state->orig_user, - SYSDB_ORIG_DN, - &orig_dn); - if (ret != EOK) { - tevent_req_error(req, ret); - return; - } - - subreq = sdap_initgr_rfc2307bis_send( - state, state->ev, state->opts, state->sysdb, - state->dom, state->sh, - dp_opt_get_string(state->opts->basic, - SDAP_GROUP_SEARCH_BASE), - state->name, orig_dn); - if (!subreq) { - tevent_req_error(req, ENOMEM); - return; - } - talloc_steal(subreq, orig_dn); - tevent_req_set_callback(subreq, sdap_get_initgr_done, req); - break; - case SDAP_SCHEMA_IPA_V1: - case SDAP_SCHEMA_AD: - /* TODO: AD uses a different member/memberof schema - * We need an AD specific call that is able to unroll - * nested groups by doing extensive recursive searches */ - - subreq = sdap_initgr_nested_send(state, state->ev, state->opts, - state->sysdb, state->dom, state->sh, - state->orig_user, state->grp_attrs); - if (!subreq) { - tevent_req_error(req, ENOMEM); - return; - } - tevent_req_set_callback(subreq, sdap_get_initgr_done, req); - return; - - default: - tevent_req_error(req, EINVAL); - return; - } -} - -static int sdap_initgr_rfc2307bis_recv(struct tevent_req *req); -static void sdap_get_initgr_pgid(struct tevent_req *req); -static void sdap_get_initgr_done(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data(subreq, - struct tevent_req); - struct sdap_get_initgr_state *state = tevent_req_data(req, - struct sdap_get_initgr_state); - int ret; - gid_t primary_gid; - char *gid; - - DEBUG(9, ("Initgroups done\n")); - - switch (state->opts->schema_type) { - case SDAP_SCHEMA_RFC2307: - ret = sdap_initgr_rfc2307_recv(subreq); - break; - - case SDAP_SCHEMA_RFC2307BIS: - ret = sdap_initgr_rfc2307bis_recv(subreq); - break; - - case SDAP_SCHEMA_IPA_V1: - case SDAP_SCHEMA_AD: - ret = sdap_initgr_nested_recv(subreq); - break; - - default: - - ret = EINVAL; - break; - } - - talloc_zfree(subreq); - if (ret) { - DEBUG(9, ("Error in initgroups: [%d][%s]\n", - ret, strerror(ret))); - tevent_req_error(req, ret); - return; - } - - /* We also need to update the user's primary group, since - * the user may not be an explicit member of that group - */ - ret = sysdb_attrs_get_uint32_t(state->orig_user, SYSDB_GIDNUM, &primary_gid); - if (ret != EOK) { - DEBUG(6, ("Could not find user's primary GID\n")); - tevent_req_error(req, ret); - return; - } - - gid = talloc_asprintf(state, "%lu", (unsigned long)primary_gid); - if (gid == NULL) { - tevent_req_error(req, ENOMEM); - return; - } - - subreq = groups_get_send(req, state->ev, state->id_ctx, gid, - BE_FILTER_IDNUM, BE_ATTR_ALL); - if (!subreq) { - tevent_req_error(req, ENOMEM); - return; - } - tevent_req_set_callback(subreq, sdap_get_initgr_pgid, req); - - tevent_req_done(req); -} - -static void sdap_get_initgr_pgid(struct tevent_req *subreq) -{ - struct tevent_req *req = - tevent_req_callback_data(subreq, struct tevent_req); - errno_t ret; - - ret = groups_get_recv(subreq, NULL); - talloc_zfree(subreq); - if (ret != EOK) { - tevent_req_error(req, ret); - return; - } - - tevent_req_done(req); -} - -int sdap_get_initgr_recv(struct tevent_req *req) -{ - TEVENT_REQ_RETURN_ON_ERROR(req); - - return EOK; -} - struct sdap_deref_ctx { const char *orig_dn; @@ -4544,772 +2808,3 @@ static errno_t sdap_nested_group_process_recv(struct tevent_req *req) return EOK; } - -static void sdap_initgr_rfc2307bis_process(struct tevent_req *subreq); -static struct tevent_req *sdap_initgr_rfc2307bis_send( - TALLOC_CTX *memctx, - struct tevent_context *ev, - struct sdap_options *opts, - struct sysdb_ctx *sysdb, - struct sss_domain_info *dom, - struct sdap_handle *sh, - const char *base_dn, - const char *name, - const char *orig_dn) -{ - errno_t ret; - struct tevent_req *req; - struct tevent_req *subreq; - struct sdap_initgr_rfc2307_state *state; - const char *filter; - const char **attrs; - char *clean_orig_dn; - - req = tevent_req_create(memctx, &state, struct sdap_initgr_rfc2307_state); - if (!req) return NULL; - - state->ev = ev; - state->opts = opts; - state->sysdb = sysdb; - state->dom = dom; - state->sh = sh; - state->op = NULL; - state->name = name; - - ret = build_attrs_from_map(state, opts->group_map, - SDAP_OPTS_GROUP, &attrs); - if (ret != EOK) { - talloc_free(req); - return NULL; - } - - ret = sss_filter_sanitize(state, orig_dn, &clean_orig_dn); - if (ret != EOK) { - talloc_free(req); - return NULL; - } - - filter = talloc_asprintf(state, "(&(%s=%s)(objectclass=%s)(%s=*))", - opts->group_map[SDAP_AT_GROUP_MEMBER].name, - clean_orig_dn, - opts->group_map[SDAP_OC_GROUP].name, - opts->group_map[SDAP_AT_GROUP_NAME].name); - if (!filter) { - talloc_zfree(req); - return NULL; - } - talloc_zfree(clean_orig_dn); - - DEBUG(6, ("Looking up parent groups for user [%s]\n", orig_dn)); - subreq = sdap_get_generic_send(state, state->ev, state->opts, - state->sh, base_dn, LDAP_SCOPE_SUBTREE, - filter, attrs, - state->opts->group_map, SDAP_OPTS_GROUP, - dp_opt_get_int(state->opts->basic, - SDAP_SEARCH_TIMEOUT)); - if (!subreq) { - talloc_zfree(req); - return NULL; - } - tevent_req_set_callback(subreq, sdap_initgr_rfc2307bis_process, req); - - return req; - -} - -errno_t save_rfc2307bis_user_memberships( - struct sdap_initgr_rfc2307_state *state); -struct tevent_req *rfc2307bis_nested_groups_send( - TALLOC_CTX *mem_ctx, struct tevent_context *ev, - struct sdap_options *opts, struct sysdb_ctx *sysdb, - struct sss_domain_info *dom, struct sdap_handle *sh, - struct sysdb_attrs **groups, size_t num_groups, - size_t nesting); -static void sdap_initgr_rfc2307bis_done(struct tevent_req *subreq); -static void sdap_initgr_rfc2307bis_process(struct tevent_req *subreq) -{ - struct tevent_req *req; - struct sdap_initgr_rfc2307_state *state; - int ret; - - req = tevent_req_callback_data(subreq, struct tevent_req); - state = tevent_req_data(req, struct sdap_initgr_rfc2307_state); - - ret = sdap_get_generic_recv(subreq, state, - &state->ldap_groups_count, - &state->ldap_groups); - talloc_zfree(subreq); - if (ret) { - tevent_req_error(req, ret); - return; - } - - if (state->ldap_groups_count == 0) { - /* Start a transaction to look up the groups in the sysdb - * and update them with LDAP data - */ - ret = save_rfc2307bis_user_memberships(state); - if (ret != EOK) { - tevent_req_error(req, ret); - } else { - tevent_req_done(req); - } - return; - } - - subreq = rfc2307bis_nested_groups_send(state, state->ev, state->opts, - state->sysdb, state->dom, - state->sh, state->ldap_groups, - state->ldap_groups_count, 0); - if (!subreq) { - tevent_req_error(req, EIO); - return; - } - tevent_req_set_callback(subreq, sdap_initgr_rfc2307bis_done, req); -} - -errno_t save_rfc2307bis_user_memberships( - struct sdap_initgr_rfc2307_state *state) -{ - errno_t ret, tret; - char *member_dn; - char *sanitized_dn; - char *filter; - const char **attrs; - size_t reply_count, i; - struct ldb_message **replies; - char **ldap_grouplist; - char **sysdb_grouplist; - char **add_groups; - char **del_groups; - const char *tmp_str; - bool in_transaction = false; - - TALLOC_CTX *tmp_ctx = talloc_new(NULL); - if(!tmp_ctx) { - return ENOMEM; - } - - DEBUG(7, ("Save parent groups to sysdb\n")); - ret = sysdb_transaction_start(state->sysdb); - if (ret != EOK) { - goto error; - } - in_transaction = true; - - /* Save this user and their memberships */ - attrs = talloc_array(tmp_ctx, const char *, 2); - if (!attrs) { - ret = ENOMEM; - goto error; - } - - attrs[0] = SYSDB_NAME; - attrs[1] = NULL; - - member_dn = sysdb_user_strdn(tmp_ctx, state->dom->name, state->name); - if (!member_dn) { - ret = ENOMEM; - goto error; - } - ret = sss_filter_sanitize(tmp_ctx, member_dn, &sanitized_dn); - if (ret != EOK) { - goto error; - } - talloc_free(member_dn); - - filter = talloc_asprintf(tmp_ctx, "(member=%s)", sanitized_dn); - if (!filter) { - ret = ENOMEM; - goto error; - } - talloc_free(sanitized_dn); - - ret = sysdb_search_groups(tmp_ctx, state->sysdb, filter, attrs, - &reply_count, &replies); - if (ret != EOK && ret != ENOENT) { - goto error; - } if (ret == ENOENT) { - reply_count = 0; - } - - if (reply_count == 0) { - DEBUG(6, ("User [%s] is not a direct member of any groups\n", - state->name)); - sysdb_grouplist = NULL; - } else { - sysdb_grouplist = talloc_array(tmp_ctx, char *, reply_count+1); - if (!sysdb_grouplist) { - ret = ENOMEM; - goto error; - } - - for (i = 0; i < reply_count; i++) { - tmp_str = ldb_msg_find_attr_as_string(replies[i], - SYSDB_NAME, - NULL); - if (!tmp_str) { - /* This should never happen, but if it - * does, just skip it. - */ - continue; - } - - sysdb_grouplist[i] = talloc_strdup(sysdb_grouplist, tmp_str); - if (!sysdb_grouplist[i]) { - ret = ENOMEM; - goto error; - } - } - sysdb_grouplist[i] = NULL; - } - - if (state->ldap_groups_count == 0) { - ldap_grouplist = NULL; - } - else { - ret = sysdb_attrs_primary_name_list( - state->sysdb, tmp_ctx, - state->ldap_groups, state->ldap_groups_count, - state->opts->group_map[SDAP_AT_GROUP_NAME].name, - &ldap_grouplist); - if (ret != EOK) { - goto error; - } - } - - /* Find the differences between the sysdb and ldap lists - * Groups in ldap only must be added to the sysdb; - * groups in the sysdb only must be removed. - */ - ret = diff_string_lists(tmp_ctx, - ldap_grouplist, sysdb_grouplist, - &add_groups, &del_groups, NULL); - if (ret != EOK) { - goto error; - } - - DEBUG(8, ("Updating memberships for %s\n", state->name)); - ret = sysdb_update_members(state->sysdb, state->name, SYSDB_MEMBER_USER, - (const char *const *)add_groups, - (const char *const *)del_groups); - if (ret != EOK) { - goto error; - } - - ret = sysdb_transaction_commit(state->sysdb); - if (ret != EOK) { - goto error; - } - - return EOK; - -error: - if (in_transaction) { - tret = sysdb_transaction_cancel(state->sysdb); - if (tret != EOK) { - DEBUG(1, ("Failed to cancel transaction\n")); - } - } - talloc_free(tmp_ctx); - return ret; -} - -static errno_t rfc2307bis_nested_groups_recv(struct tevent_req *req); -static void sdap_initgr_rfc2307bis_done(struct tevent_req *subreq) -{ - errno_t ret; - struct tevent_req *req = - tevent_req_callback_data(subreq, struct tevent_req); - struct sdap_initgr_rfc2307_state *state = - tevent_req_data(req, struct sdap_initgr_rfc2307_state); - - ret = rfc2307bis_nested_groups_recv(subreq); - talloc_zfree(subreq); - if (ret != EOK) { - tevent_req_error(req, ret); - return; - } - - /* save the user memberships */ - ret = save_rfc2307bis_user_memberships(state); - if (ret != EOK) { - tevent_req_error(req, ret); - } else { - tevent_req_done(req); - } - return; -} - -struct sdap_rfc2307bis_nested_ctx { - struct tevent_context *ev; - struct sdap_options *opts; - struct sysdb_ctx *sysdb; - struct sss_domain_info *dom; - struct sdap_handle *sh; - struct sysdb_attrs **groups; - size_t num_groups; - - size_t nesting_level; - - size_t group_iter; - struct sysdb_attrs **ldap_groups; - size_t ldap_groups_count; - - struct sysdb_handle *handle; -}; - -static errno_t rfc2307bis_nested_groups_step(struct tevent_req *req); -struct tevent_req *rfc2307bis_nested_groups_send( - TALLOC_CTX *mem_ctx, struct tevent_context *ev, - struct sdap_options *opts, struct sysdb_ctx *sysdb, - struct sss_domain_info *dom, struct sdap_handle *sh, - struct sysdb_attrs **groups, size_t num_groups, - size_t nesting) -{ - errno_t ret; - struct tevent_req *req; - struct sdap_rfc2307bis_nested_ctx *state; - - req = tevent_req_create(mem_ctx, &state, - struct sdap_rfc2307bis_nested_ctx); - if (!req) return NULL; - - if ((num_groups == 0) || - (nesting > dp_opt_get_int(opts->basic, SDAP_NESTING_LEVEL))) { - /* No parent groups to process or too deep*/ - tevent_req_done(req); - tevent_req_post(req, ev); - return req; - } - - state->ev = ev; - state->opts = opts; - state->sysdb = sysdb; - state->dom = dom; - state->sh = sh; - state->groups = groups; - state->num_groups = num_groups; - state->group_iter = 0; - state->nesting_level = nesting; - - ret = rfc2307bis_nested_groups_step(req); - if (ret != EOK) { - tevent_req_error(req, ret); - tevent_req_post(req, ev); - } - return req; -} - -static void rfc2307bis_nested_groups_process(struct tevent_req *subreq); -static errno_t rfc2307bis_nested_groups_step(struct tevent_req *req) -{ - errno_t ret, tret; - struct tevent_req *subreq; - const char *name; - struct sysdb_attrs **grouplist; - char **groupnamelist; - bool in_transaction = false; - TALLOC_CTX *tmp_ctx = NULL; - char *filter; - const char *orig_dn; - const char **attrs; - char *clean_orig_dn; - struct sdap_rfc2307bis_nested_ctx *state = - tevent_req_data(req, struct sdap_rfc2307bis_nested_ctx); - - tmp_ctx = talloc_new(state); - if (!tmp_ctx) { - ret = ENOMEM; - goto error; - } - - ret = sysdb_attrs_primary_name( - state->sysdb, - state->groups[state->group_iter], - state->opts->group_map[SDAP_AT_GROUP_NAME].name, - &name); - if (ret != EOK) { - goto error; - } - - DEBUG(6, ("Processing group [%s]\n", name)); - - ret = sysdb_transaction_start(state->sysdb); - if (ret != EOK) { - goto error; - } - in_transaction = true; - - /* First, save the group we're processing to the sysdb - * sdap_add_incomplete_groups_send will add them if needed - */ - - /* sdap_add_incomplete_groups_send expects a list of groups */ - grouplist = talloc_array(tmp_ctx, struct sysdb_attrs *, 1); - if (!grouplist) { - ret = ENOMEM; - goto error; - } - grouplist[0] = state->groups[state->group_iter]; - - groupnamelist = talloc_array(tmp_ctx, char *, 2); - if (!groupnamelist) { - ret = ENOMEM; - goto error; - } - groupnamelist[0] = talloc_strdup(groupnamelist, name); - if (!groupnamelist[0]) { - ret = ENOMEM; - goto error; - } - groupnamelist[1] = NULL; - - DEBUG(6, ("Saving incomplete group [%s] to the sysdb\n", - groupnamelist[0])); - ret = sdap_add_incomplete_groups(state->sysdb, state->opts, - state->dom, groupnamelist, - grouplist, 1); - if (ret != EOK) { - goto error; - } - - ret = sysdb_transaction_commit(state->sysdb); - if (ret != EOK) { - goto error; - } - - /* Get any parent groups for this group */ - ret = sysdb_attrs_get_string(state->groups[state->group_iter], - SYSDB_ORIG_DN, - &orig_dn); - if (ret != EOK) { - goto error; - } - - ret = build_attrs_from_map(tmp_ctx, state->opts->group_map, - SDAP_OPTS_GROUP, &attrs); - if (ret != EOK) { - goto error; - } - - ret = sss_filter_sanitize(state, orig_dn, &clean_orig_dn); - if (ret != EOK) { - goto error; - } - - filter = talloc_asprintf( - tmp_ctx, "(&(%s=%s)(objectclass=%s)(%s=*))", - state->opts->group_map[SDAP_AT_GROUP_MEMBER].name, - clean_orig_dn, - state->opts->group_map[SDAP_OC_GROUP].name, - state->opts->group_map[SDAP_AT_GROUP_NAME].name); - if (!filter) { - ret = ENOMEM; - goto error; - } - talloc_zfree(clean_orig_dn); - - DEBUG(6, ("Looking up parent groups for group [%s]\n", orig_dn)); - subreq = sdap_get_generic_send(state, state->ev, state->opts, - state->sh, - dp_opt_get_string(state->opts->basic, - SDAP_GROUP_SEARCH_BASE), - LDAP_SCOPE_SUBTREE, - filter, attrs, - state->opts->group_map, SDAP_OPTS_GROUP, - dp_opt_get_int(state->opts->basic, - SDAP_SEARCH_TIMEOUT)); - if (!subreq) { - ret = EIO; - goto error; - } - talloc_steal(subreq, tmp_ctx); - tevent_req_set_callback(subreq, - rfc2307bis_nested_groups_process, - req); - - return EOK; - -error: - if (in_transaction) { - tret = sysdb_transaction_cancel(state->sysdb); - if (tret != EOK) { - DEBUG(1, ("Failed to cancel transaction\n")); - } - } - - talloc_free(tmp_ctx); - return ret; -} - -static errno_t rfc2307bis_nested_groups_update_sysdb( - struct sdap_rfc2307bis_nested_ctx *state); -static void rfc2307bis_nested_groups_done(struct tevent_req *subreq); -static void rfc2307bis_nested_groups_process(struct tevent_req *subreq) -{ - errno_t ret; - struct tevent_req *req = - tevent_req_callback_data(subreq, struct tevent_req); - struct sdap_rfc2307bis_nested_ctx *state = - tevent_req_data(req, struct sdap_rfc2307bis_nested_ctx); - - ret = sdap_get_generic_recv(subreq, state, - &state->ldap_groups_count, - &state->ldap_groups); - talloc_zfree(subreq); - if (ret) { - tevent_req_error(req, ret); - return; - } - - if (state->ldap_groups_count == 0) { - /* No parent groups for this group in LDAP - * We need to ensure that there are no groups - * in the sysdb either. - */ - - ret = rfc2307bis_nested_groups_update_sysdb(state); - if (ret != EOK) { - tevent_req_error(req, ret); - return; - } - - state->group_iter++; - if (state->group_iter < state->num_groups) { - ret = rfc2307bis_nested_groups_step(req); - if (ret != EOK) { - tevent_req_error(req, ret); - return; - } - } else { - tevent_req_done(req); - } - return; - } - - /* Otherwise, recurse into the groups */ - subreq = rfc2307bis_nested_groups_send( - state, state->ev, state->opts, state->sysdb, - state->dom, state->sh, - state->ldap_groups, - state->ldap_groups_count, - state->nesting_level+1); - if (!subreq) { - tevent_req_error(req, EIO); - return; - } - tevent_req_set_callback(subreq, rfc2307bis_nested_groups_done, req); -} - -static errno_t rfc2307bis_nested_groups_recv(struct tevent_req *req) -{ - TEVENT_REQ_RETURN_ON_ERROR(req); - return EOK; -} - -static void rfc2307bis_nested_groups_done(struct tevent_req *subreq) -{ - errno_t ret; - struct tevent_req *req = - tevent_req_callback_data(subreq, struct tevent_req); - struct sdap_rfc2307bis_nested_ctx *state = - tevent_req_data(req, struct sdap_rfc2307bis_nested_ctx); - - ret = rfc2307bis_nested_groups_recv(subreq); - talloc_zfree(subreq); - if (ret != EOK) { - DEBUG(6, ("rfc2307bis_nested failed [%d][%s]\n", - ret, strerror(ret))); - tevent_req_error(req, ret); - return; - } - - /* All of the parent groups have been added - * Now add the memberships - */ - - ret = rfc2307bis_nested_groups_update_sysdb(state); - if (ret != EOK) { - tevent_req_error(req, ret); - return; - } - - state->group_iter++; - if (state->group_iter < state->num_groups) { - ret = rfc2307bis_nested_groups_step(req); - if (ret != EOK) { - tevent_req_error(req, ret); - } - } else { - tevent_req_done(req); - } -} - -static errno_t rfc2307bis_nested_groups_update_sysdb( - struct sdap_rfc2307bis_nested_ctx *state) -{ - errno_t ret, tret; - const char *name; - bool in_transaction = false; - char *member_dn; - char *sanitized_dn; - char *filter; - const char **attrs; - size_t reply_count, i; - struct ldb_message **replies; - char **sysdb_grouplist; - char **ldap_grouplist; - char **add_groups; - char **del_groups; - const char *tmp_str; - - TALLOC_CTX *tmp_ctx = talloc_new(state); - if (!tmp_ctx) { - return ENOMEM; - } - - /* Start a transaction to look up the groups in the sysdb - * and update them with LDAP data - */ - ret = sysdb_transaction_start(state->sysdb); - if (ret != EOK) { - goto error; - } - in_transaction = true; - - ret = sysdb_attrs_primary_name( - state->sysdb, - state->groups[state->group_iter], - state->opts->group_map[SDAP_AT_GROUP_NAME].name, - &name); - if (ret != EOK) { - goto error; - } - - DEBUG(6, ("Processing group [%s]\n", name)); - - attrs = talloc_array(tmp_ctx, const char *, 2); - if (!attrs) { - ret = ENOMEM; - goto error; - } - attrs[0] = SYSDB_NAME; - attrs[1] = NULL; - - member_dn = sysdb_group_strdn(tmp_ctx, state->dom->name, name); - if (!member_dn) { - ret = ENOMEM; - goto error; - } - - ret = sss_filter_sanitize(tmp_ctx, member_dn, &sanitized_dn); - if (ret != EOK) { - goto error; - } - talloc_free(member_dn); - - filter = talloc_asprintf(tmp_ctx, "(member=%s)", sanitized_dn); - if (!filter) { - ret = ENOMEM; - goto error; - } - talloc_free(sanitized_dn); - - ret = sysdb_search_groups(tmp_ctx, state->sysdb, filter, attrs, - &reply_count, &replies); - if (ret != EOK && ret != ENOENT) { - goto error; - } else if (ret == ENOENT) { - reply_count = 0; - } - - if (reply_count == 0) { - DEBUG(6, ("Group [%s] is not a direct member of any groups\n", name)); - sysdb_grouplist = NULL; - } else { - sysdb_grouplist = talloc_array(tmp_ctx, char *, reply_count+1); - if (!sysdb_grouplist) { - ret = ENOMEM; - goto error; - } - - for (i = 0; i < reply_count; i++) { - tmp_str = ldb_msg_find_attr_as_string(replies[i], - SYSDB_NAME, - NULL); - if (!tmp_str) { - /* This should never happen, but if it - * does, just skip it. - */ - continue; - } - - sysdb_grouplist[i] = talloc_strdup(sysdb_grouplist, tmp_str); - if (!sysdb_grouplist[i]) { - ret = ENOMEM; - goto error; - } - } - sysdb_grouplist[i] = NULL; - } - - if (state->ldap_groups_count == 0) { - ldap_grouplist = NULL; - } - else { - ret = sysdb_attrs_primary_name_list( - state->sysdb, tmp_ctx, - state->ldap_groups, state->ldap_groups_count, - state->opts->group_map[SDAP_AT_GROUP_NAME].name, - &ldap_grouplist); - if (ret != EOK) { - goto error; - } - } - - /* Find the differences between the sysdb and ldap lists - * Groups in ldap only must be added to the sysdb; - * groups in the sysdb only must be removed. - */ - ret = diff_string_lists(state, - ldap_grouplist, sysdb_grouplist, - &add_groups, &del_groups, NULL); - if (ret != EOK) { - goto error; - } - talloc_free(ldap_grouplist); - talloc_free(sysdb_grouplist); - - DEBUG(8, ("Updating memberships for %s\n", name)); - ret = sysdb_update_members(state->sysdb, name, SYSDB_MEMBER_GROUP, - (const char *const *)add_groups, - (const char *const *)del_groups); - if (ret != EOK) { - goto error; - } - - ret = sysdb_transaction_commit(state->sysdb); - if (ret != EOK) { - goto error; - } - in_transaction = false; - - ret = EOK; - -error: - if (in_transaction) { - tret = sysdb_transaction_cancel(state->sysdb); - if (tret != EOK) { - DEBUG(1, ("Failed to cancel transaction\n")); - } - } - talloc_free(tmp_ctx); - return ret; -} - -static int sdap_initgr_rfc2307bis_recv(struct tevent_req *req) -{ - TEVENT_REQ_RETURN_ON_ERROR(req); - return EOK; -} diff --git a/src/providers/ldap/sdap_async_initgroups.c b/src/providers/ldap/sdap_async_initgroups.c new file mode 100644 index 00000000..8edda2e3 --- /dev/null +++ b/src/providers/ldap/sdap_async_initgroups.c @@ -0,0 +1,2049 @@ +/* + SSSD + + Async LDAP Helper routines - initgroups operation + + Copyright (C) Simo Sorce <ssorce@redhat.com> - 2009 + Copyright (C) 2010, Ralf Haferkamp <rhafer@suse.de>, Novell Inc. + Copyright (C) Jan Zeleny <jzeleny@redhat.com> - 2011 + + 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 "util/util.h" +#include "db/sysdb.h" +#include "providers/ldap/sdap_async_private.h" +#include "providers/ldap/ldap_common.h" + +/* ==Save-fake-group-list=====================================*/ +static errno_t sdap_add_incomplete_groups(struct sysdb_ctx *sysdb, + struct sdap_options *opts, + struct sss_domain_info *dom, + char **groupnames, + struct sysdb_attrs **ldap_groups, + int ldap_groups_count) +{ + TALLOC_CTX *tmp_ctx; + struct ldb_message *msg; + int i, mi, ai; + const char *name; + const char *original_dn; + char **missing; + gid_t gid; + int ret; + bool in_transaction = false; + bool posix; + + /* There are no groups in LDAP but we should add user to groups ?? */ + if (ldap_groups_count == 0) return EOK; + + tmp_ctx = talloc_new(NULL); + if (!tmp_ctx) return ENOMEM; + + missing = talloc_array(tmp_ctx, char *, ldap_groups_count+1); + if (!missing) { + ret = ENOMEM; + goto fail; + } + mi = 0; + + ret = sysdb_transaction_start(sysdb); + if (ret != EOK) { + DEBUG(1, ("Cannot start sysdb transaction [%d]: %s\n", + ret, strerror(ret))); + goto fail; + } + in_transaction = true; + + for (i=0; groupnames[i]; i++) { + ret = sysdb_search_group_by_name(tmp_ctx, sysdb, groupnames[i], NULL, &msg); + if (ret == EOK) { + continue; + } else if (ret == ENOENT) { + DEBUG(7, ("Group #%d [%s] is not cached, need to add a fake entry\n", + i, groupnames[i])); + missing[mi] = groupnames[i]; + mi++; + continue; + } else if (ret != ENOENT) { + DEBUG(1, ("search for group failed [%d]: %s\n", + ret, strerror(ret))); + goto fail; + } + } + missing[mi] = NULL; + + /* All groups are cached, nothing to do */ + if (mi == 0) { + talloc_zfree(tmp_ctx); + goto done; + } + + for (i=0; missing[i]; i++) { + /* The group is not in sysdb, need to add a fake entry */ + for (ai=0; ai < ldap_groups_count; ai++) { + ret = sysdb_attrs_primary_name(sysdb, ldap_groups[ai], + opts->group_map[SDAP_AT_GROUP_NAME].name, + &name); + if (ret != EOK) { + DEBUG(1, ("The group has no name attribute\n")); + goto fail; + } + + if (strcmp(name, missing[i]) == 0) { + posix = true; + ret = sysdb_attrs_get_uint32_t(ldap_groups[ai], + SYSDB_GIDNUM, + &gid); + if (ret == ENOENT || (ret == EOK && gid == 0)) { + DEBUG(9, ("The group %s gid was %s\n", + name, ret == ENOENT ? "missing" : "zero")); + DEBUG(8, ("Marking group %s as non-posix and setting GID=0!\n", name)); + gid = 0; + posix = false; + } else if (ret) { + DEBUG(1, ("The GID attribute is malformed\n")); + goto fail; + } + + ret = sysdb_attrs_get_string(ldap_groups[ai], + SYSDB_ORIG_DN, + &original_dn); + if (ret) { + DEBUG(5, ("The group has no name original DN\n")); + original_dn = NULL; + } + + DEBUG(8, ("Adding fake group %s to sysdb\n", name)); + ret = sysdb_add_incomplete_group(sysdb, name, gid, original_dn, + posix); + if (ret != EOK) { + goto fail; + } + break; + } + } + + if (ai == ldap_groups_count) { + DEBUG(2, ("Group %s not present in LDAP\n", missing[i])); + ret = EINVAL; + goto fail; + } + } + +done: + ret = sysdb_transaction_commit(sysdb); + if (ret != EOK) { + DEBUG(1, ("sysdb_transaction_commit failed.\n")); + goto fail; + } + in_transaction = false; + ret = EOK; +fail: + if (in_transaction) { + sysdb_transaction_cancel(sysdb); + } + return ret; +} + +static int sdap_initgr_common_store(struct sysdb_ctx *sysdb, + struct sdap_options *opts, + struct sss_domain_info *dom, + const char *name, + enum sysdb_member_type type, + char **sysdb_grouplist, + struct sysdb_attrs **ldap_groups, + int ldap_groups_count, + bool add_fake) +{ + TALLOC_CTX *tmp_ctx; + char **ldap_grouplist = NULL; + char **add_groups; + char **del_groups; + int ret; + + tmp_ctx = talloc_new(NULL); + if (!tmp_ctx) return ENOMEM; + + if (ldap_groups_count == 0) { + /* No groups for this user in LDAP. + * We need to ensure that there are no groups + * in the sysdb either. + */ + ldap_grouplist = NULL; + } else { + ret = sysdb_attrs_primary_name_list( + sysdb, tmp_ctx, + ldap_groups, ldap_groups_count, + opts->group_map[SDAP_AT_GROUP_NAME].name, + &ldap_grouplist); + if (ret != EOK) { + DEBUG(1, ("sysdb_attrs_primary_name_list failed [%d]: %s\n", + ret, strerror(ret))); + goto done; + } + } + + /* Find the differences between the sysdb and LDAP lists + * Groups in the sysdb only must be removed. + */ + ret = diff_string_lists(tmp_ctx, ldap_grouplist, sysdb_grouplist, + &add_groups, &del_groups, NULL); + if (ret != EOK) goto done; + + /* Add fake entries for any groups the user should be added as + * member of but that are not cached in sysdb + */ + if (add_fake && add_groups && add_groups[0]) { + ret = sdap_add_incomplete_groups(sysdb, opts, dom, + add_groups, ldap_groups, + ldap_groups_count); + if (ret != EOK) { + DEBUG(1, ("Adding incomplete users failed\n")); + goto done; + } + } + + DEBUG(8, ("Updating memberships for %s\n", name)); + ret = sysdb_update_members(sysdb, name, type, + (const char *const *) add_groups, + (const char *const *) del_groups); + if (ret != EOK) { + DEBUG(1, ("Membership update failed [%d]: %s\n", + ret, strerror(ret))); + goto done; + } + + ret = EOK; +done: + talloc_zfree(tmp_ctx); + return ret; +} + +/* ==Initgr-call-(groups-a-user-is-member-of)-RFC2307-Classic/BIS========= */ + +struct sdap_initgr_rfc2307_state { + struct tevent_context *ev; + struct sysdb_ctx *sysdb; + struct sdap_options *opts; + struct sss_domain_info *dom; + struct sdap_handle *sh; + const char *name; + + struct sdap_op *op; + + struct sysdb_attrs **ldap_groups; + size_t ldap_groups_count; +}; + +static void sdap_initgr_rfc2307_process(struct tevent_req *subreq); +struct tevent_req *sdap_initgr_rfc2307_send(TALLOC_CTX *memctx, + struct tevent_context *ev, + struct sdap_options *opts, + struct sysdb_ctx *sysdb, + struct sss_domain_info *dom, + struct sdap_handle *sh, + const char *base_dn, + const char *name) +{ + struct tevent_req *req, *subreq; + struct sdap_initgr_rfc2307_state *state; + const char *filter; + const char **attrs; + char *clean_name; + errno_t ret; + + req = tevent_req_create(memctx, &state, struct sdap_initgr_rfc2307_state); + if (!req) return NULL; + + state->ev = ev; + state->opts = opts; + state->sysdb = sysdb; + state->dom = dom; + state->sh = sh; + state->op = NULL; + state->name = talloc_strdup(state, name); + if (!state->name) { + talloc_zfree(req); + return NULL; + } + + ret = build_attrs_from_map(state, opts->group_map, + SDAP_OPTS_GROUP, &attrs); + if (ret != EOK) { + talloc_free(req); + return NULL; + } + + ret = sss_filter_sanitize(state, name, &clean_name); + if (ret != EOK) { + talloc_free(req); + return NULL; + } + + filter = talloc_asprintf(state, + "(&(%s=%s)(objectclass=%s)(%s=*)(&(%s=*)(!(%s=0))))", + opts->group_map[SDAP_AT_GROUP_MEMBER].name, + clean_name, + opts->group_map[SDAP_OC_GROUP].name, + opts->group_map[SDAP_AT_GROUP_NAME].name, + opts->group_map[SDAP_AT_GROUP_GID].name, + opts->group_map[SDAP_AT_GROUP_GID].name); + if (!filter) { + talloc_zfree(req); + return NULL; + } + talloc_zfree(clean_name); + + subreq = sdap_get_generic_send(state, state->ev, state->opts, + state->sh, base_dn, LDAP_SCOPE_SUBTREE, + filter, attrs, + state->opts->group_map, SDAP_OPTS_GROUP, + dp_opt_get_int(state->opts->basic, + SDAP_SEARCH_TIMEOUT)); + if (!subreq) { + talloc_zfree(req); + return NULL; + } + tevent_req_set_callback(subreq, sdap_initgr_rfc2307_process, req); + + return req; +} + +static void sdap_initgr_rfc2307_process(struct tevent_req *subreq) +{ + struct tevent_req *req; + struct sdap_initgr_rfc2307_state *state; + struct sysdb_attrs **ldap_groups; + char **sysdb_grouplist = NULL; + struct ldb_message *msg; + struct ldb_message_element *groups; + size_t count; + const char *attrs[2]; + int ret; + int i; + + req = tevent_req_callback_data(subreq, struct tevent_req); + state = tevent_req_data(req, struct sdap_initgr_rfc2307_state); + + ret = sdap_get_generic_recv(subreq, state, &count, &ldap_groups); + talloc_zfree(subreq); + if (ret) { + tevent_req_error(req, ret); + return; + } + + /* Search for all groups for which this user is a member */ + attrs[0] = SYSDB_MEMBEROF; + attrs[1] = NULL; + ret = sysdb_search_user_by_name(state, state->sysdb, state->name, attrs, + &msg); + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + + groups = ldb_msg_find_element(msg, SYSDB_MEMBEROF); + if (!groups || groups->num_values == 0) { + /* No groups for this user in sysdb currently */ + sysdb_grouplist = NULL; + } else { + sysdb_grouplist = talloc_array(state, char *, groups->num_values+1); + if (!sysdb_grouplist) { + tevent_req_error(req, ENOMEM); + return; + } + + /* Get a list of the groups by groupname only */ + for (i=0; i < groups->num_values; i++) { + ret = sysdb_group_dn_name(state->sysdb, + sysdb_grouplist, + (const char *)groups->values[i].data, + &sysdb_grouplist[i]); + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + } + sysdb_grouplist[groups->num_values] = NULL; + } + + /* There are no nested groups here so we can just update the + * memberships */ + ret = sdap_initgr_common_store(state->sysdb, state->opts, + state->dom, state->name, + SYSDB_MEMBER_USER, sysdb_grouplist, + ldap_groups, count, true); + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + + tevent_req_done(req); +} + +static int sdap_initgr_rfc2307_recv(struct tevent_req *req) +{ + TEVENT_REQ_RETURN_ON_ERROR(req); + + return EOK; +} + + +/* ==Initgr-call-(groups-a-user-is-member-of)-nested-groups=============== */ + +struct sdap_initgr_nested_state { + struct tevent_context *ev; + struct sysdb_ctx *sysdb; + struct sdap_options *opts; + struct sss_domain_info *dom; + struct sdap_handle *sh; + + struct sysdb_attrs *user; + const char *username; + + const char **grp_attrs; + + char *filter; + char **group_dns; + int count; + int cur; + + struct sdap_op *op; + + struct sysdb_attrs **groups; + int groups_cur; +}; + +static void sdap_initgr_nested_search(struct tevent_req *subreq); +static void sdap_initgr_nested_store(struct tevent_req *req); +static struct tevent_req *sdap_initgr_nested_send(TALLOC_CTX *memctx, + struct tevent_context *ev, + struct sdap_options *opts, + struct sysdb_ctx *sysdb, + struct sss_domain_info *dom, + struct sdap_handle *sh, + struct sysdb_attrs *user, + const char **grp_attrs) +{ + struct tevent_req *req, *subreq; + struct sdap_initgr_nested_state *state; + struct ldb_message_element *el; + int i; + errno_t ret; + + req = tevent_req_create(memctx, &state, struct sdap_initgr_nested_state); + if (!req) return NULL; + + state->ev = ev; + state->opts = opts; + state->sysdb = sysdb; + state->dom = dom; + state->sh = sh; + state->grp_attrs = grp_attrs; + state->user = user; + state->op = NULL; + + ret = sysdb_attrs_primary_name(sysdb, user, + opts->user_map[SDAP_AT_USER_NAME].name, + &state->username); + if (ret != EOK) { + DEBUG(1, ("User entry had no username\n")); + talloc_free(req); + return NULL; + } + + state->filter = talloc_asprintf(state, "(&(objectclass=%s)(%s=*))", + opts->group_map[SDAP_OC_GROUP].name, + opts->group_map[SDAP_AT_GROUP_NAME].name); + if (!state->filter) { + talloc_zfree(req); + return NULL; + } + + /* TODO: test rootDSE for deref support and use it if available */ + /* TODO: or test rootDSE for ASQ support and use it if available */ + + ret = sysdb_attrs_get_el(user, SYSDB_MEMBEROF, &el); + if (ret || !el || el->num_values == 0) { + DEBUG(4, ("User entry lacks original memberof ?\n")); + /* We can't find any groups for this user, so we'll + * have to assume there aren't any. Just return + * success here. + */ + tevent_req_done(req); + tevent_req_post(req, ev); + return req; + } + state->count = el->num_values; + + state->groups = talloc_zero_array(state, struct sysdb_attrs *, + state->count + 1);; + if (!state->groups) { + talloc_zfree(req); + return NULL; + } + state->groups_cur = 0; + + state->group_dns = talloc_array(state, char *, state->count + 1); + if (!state->group_dns) { + talloc_zfree(req); + return NULL; + } + for (i = 0; i < state->count; i++) { + state->group_dns[i] = talloc_strdup(state->group_dns, + (char *)el->values[i].data); + if (!state->group_dns[i]) { + talloc_zfree(req); + return NULL; + } + } + state->group_dns[i] = NULL; /* terminate */ + state->cur = 0; + + subreq = sdap_get_generic_send(state, state->ev, state->opts, state->sh, + state->group_dns[state->cur], + LDAP_SCOPE_BASE, + state->filter, state->grp_attrs, + state->opts->group_map, SDAP_OPTS_GROUP, + dp_opt_get_int(state->opts->basic, + SDAP_SEARCH_TIMEOUT)); + if (!subreq) { + talloc_zfree(req); + return NULL; + } + tevent_req_set_callback(subreq, sdap_initgr_nested_search, req); + + return req; +} + +static void sdap_initgr_nested_search(struct tevent_req *subreq) +{ + struct tevent_req *req; + struct sdap_initgr_nested_state *state; + struct sysdb_attrs **groups; + size_t count; + int ret; + + req = tevent_req_callback_data(subreq, struct tevent_req); + state = tevent_req_data(req, struct sdap_initgr_nested_state); + + ret = sdap_get_generic_recv(subreq, state, &count, &groups); + talloc_zfree(subreq); + if (ret) { + tevent_req_error(req, ret); + return; + } + + if (count == 1) { + state->groups[state->groups_cur] = groups[0]; + state->groups_cur++; + } else { + DEBUG(2, ("Search for group %s, returned %d results. Skipping\n", + state->group_dns[state->cur], count)); + } + + state->cur++; + if (state->cur < state->count) { + subreq = sdap_get_generic_send(state, state->ev, + state->opts, state->sh, + state->group_dns[state->cur], + LDAP_SCOPE_BASE, + state->filter, state->grp_attrs, + state->opts->group_map, + SDAP_OPTS_GROUP, + dp_opt_get_int(state->opts->basic, + SDAP_SEARCH_TIMEOUT)); + if (!subreq) { + tevent_req_error(req, ENOMEM); + return; + } + tevent_req_set_callback(subreq, sdap_initgr_nested_search, req); + } else { + sdap_initgr_nested_store(req); + } +} + +static int sdap_initgr_nested_store_group(struct sysdb_ctx *sysdb, + struct sdap_options *opts, + struct sss_domain_info *dom, + struct sysdb_attrs *group, + struct sysdb_attrs **groups, + int ngroups); + +static void sdap_initgr_nested_store(struct tevent_req *req) +{ + struct sdap_initgr_nested_state *state; + + struct ldb_message_element *el; + errno_t ret; + int i, mi; + struct ldb_message **direct_sysdb_groups = NULL; + size_t direct_sysdb_count = 0; + + const char *orig_dn; + const char *user_dn; + struct ldb_dn *basedn; + static const char *group_attrs[] = { SYSDB_NAME, NULL }; + const char *member_filter; + char **sysdb_grouplist = NULL; + char **ldap_grouplist = NULL; + const char *tmp_str; + + int ndirect; + struct sysdb_attrs **direct_groups; + + state = tevent_req_data(req, struct sdap_initgr_nested_state); + + /* Get direct LDAP parents */ + ret = sysdb_attrs_get_string(state->user, SYSDB_ORIG_DN, &orig_dn); + if (ret != EOK) { + DEBUG(2, ("The user has no original DN\n")); + goto done; + } + + direct_groups = talloc_zero_array(state, struct sysdb_attrs *, + state->count + 1); + if (!direct_groups) { + ret = ENOMEM; + goto done; + } + ndirect = 0; + + for (i=0; i < state->groups_cur ; i++) { + ret = sysdb_attrs_get_el(state->groups[i], SYSDB_MEMBER, &el); + if (ret) { + DEBUG(3, ("A group with no members during initgroups?\n")); + goto done; + } + + for (mi = 0; mi < el->num_values; mi++) { + if (strcasecmp((const char *) el->values[mi].data, orig_dn) != 0) { + continue; + } + + direct_groups[ndirect] = state->groups[i]; + ndirect++; + } + } + + DEBUG(7, ("The user %s is a direct member of %d LDAP groups\n", + state->username, ndirect)); + + /* Get direct sysdb parents */ + user_dn = sysdb_user_strdn(state, state->dom->name, state->username); + if (!user_dn) { + ret = ENOMEM; + goto done; + } + + member_filter = talloc_asprintf(state, "(&(%s=%s)(%s=%s))", + SYSDB_OBJECTCLASS, SYSDB_GROUP_CLASS, + SYSDB_MEMBER, user_dn); + if (!member_filter) { + ret = ENOMEM; + goto done; + } + + basedn = ldb_dn_new_fmt(state, sysdb_ctx_get_ldb(state->sysdb), + SYSDB_TMPL_GROUP_BASE, + state->dom->name); + if (!basedn) { + ret = ENOMEM; + goto done; + } + + DEBUG(8, ("searching sysdb with filter [%s]\n", member_filter)); + + ret = sysdb_search_entry(state, state->sysdb, basedn, + LDB_SCOPE_SUBTREE, member_filter, group_attrs, + &direct_sysdb_count, &direct_sysdb_groups); + if (ret == EOK) { + /* Get the list of sysdb groups by name */ + sysdb_grouplist = talloc_array(state, char *, direct_sysdb_count+1); + if (!sysdb_grouplist) { + ret = ENOMEM; + goto done; + } + + for(i = 0; i < direct_sysdb_count; i++) { + tmp_str = ldb_msg_find_attr_as_string(direct_sysdb_groups[i], + SYSDB_NAME, NULL); + if (!tmp_str) { + /* This should never happen, but if it does, just continue */ + continue; + } + + sysdb_grouplist[i] = talloc_strdup(sysdb_grouplist, tmp_str); + if (!sysdb_grouplist[i]) { + DEBUG(1, ("A group with no name?\n")); + ret = EIO; + goto done; + } + } + sysdb_grouplist[i] = NULL; + } else if (ret == ENOENT) { + direct_sysdb_groups = NULL; + direct_sysdb_count = 0; + } else { + DEBUG(2, ("sysdb_search_entry failed: [%d]: %s\n", ret, strerror(ret))); + goto done; + } + DEBUG(7, ("The user %s is a member of %d sysdb groups\n", + state->username, direct_sysdb_count)); + + /* Store the direct parents with full member/memberof pairs */ + ret = sdap_initgr_common_store(state->sysdb, state->opts, + state->dom, + state->username, + SYSDB_MEMBER_USER, + sysdb_grouplist, + direct_groups, + ndirect, true); + if (ret != EOK) { + DEBUG(1, ("sdap_initgr_common_store failed [%d]: %s\n", + ret, strerror(ret))); + goto done; + } + + /* Not all indirect groups may be cached. + * Add fake entries for those that are not */ + ret = sysdb_attrs_primary_name_list( + state->sysdb, state, + state->groups, state->groups_cur, + state->opts->group_map[SDAP_AT_GROUP_NAME].name, + &ldap_grouplist); + if (ret != EOK) { + DEBUG(1, ("sysdb_attrs_primary_name_list failed [%d]: %s\n", + ret, strerror(ret))); + goto done; + } + + ret = sdap_add_incomplete_groups(state->sysdb, state->opts, + state->dom, ldap_grouplist, + state->groups, state->groups_cur); + if (ret != EOK) { + DEBUG(1, ("adding incomplete groups failed [%d]: %s\n", + ret, strerror(ret))); + goto done; + } + + /* Set the indirect memberships */ + for (i=0; i < state->groups_cur ; i++) { + ret = sdap_initgr_nested_store_group(state->sysdb, state->opts, + state->dom, state->groups[i], + state->groups, state->groups_cur); + if (ret != EOK) { + DEBUG(2, ("Cannot fix nested group membership\n")); + goto done; + } + } + +done: + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + + tevent_req_done(req); +} + +static int sdap_initgr_nested_get_direct_parents(TALLOC_CTX *mem_ctx, + struct sysdb_attrs *attrs, + struct sysdb_attrs **groups, + int ngroups, + struct sysdb_attrs ***_direct_parents, + int *_ndirect); + +static int sdap_initgr_nested_store_group(struct sysdb_ctx *sysdb, + struct sdap_options *opts, + struct sss_domain_info *dom, + struct sysdb_attrs *group, + struct sysdb_attrs **groups, + int ngroups) +{ + TALLOC_CTX *tmp_ctx; + const char *member_filter; + const char *group_orig_dn; + const char *group_name; + const char *group_dn; + int ret; + int i; + struct ldb_message **direct_sysdb_groups = NULL; + size_t direct_sysdb_count = 0; + static const char *group_attrs[] = { SYSDB_NAME, NULL }; + struct ldb_dn *basedn; + int ndirect; + struct sysdb_attrs **direct_groups; + char **sysdb_grouplist = NULL; + const char *tmp_str; + + tmp_ctx = talloc_new(NULL); + if (!tmp_ctx) return ENOMEM; + + basedn = ldb_dn_new_fmt(tmp_ctx, sysdb_ctx_get_ldb(sysdb), + SYSDB_TMPL_GROUP_BASE, + dom->name); + if (!basedn) { + ret = ENOMEM; + goto done; + } + + ret = sysdb_attrs_get_string(group, SYSDB_ORIG_DN, &group_orig_dn); + if (ret != EOK) { + goto done; + } + + ret = sysdb_attrs_primary_name(sysdb, group, + opts->group_map[SDAP_AT_GROUP_NAME].name, + &group_name); + if (ret != EOK) { + goto done; + } + + /* Get direct sysdb parents */ + group_dn = sysdb_group_strdn(tmp_ctx, dom->name, group_name); + if (!group_dn) { + ret = ENOMEM; + goto done; + } + + member_filter = talloc_asprintf(tmp_ctx, "(&(%s=%s)(%s=%s))", + SYSDB_OBJECTCLASS, SYSDB_GROUP_CLASS, + SYSDB_MEMBER, group_dn); + if (!member_filter) { + ret = ENOMEM; + goto done; + } + + DEBUG(8, ("searching sysdb with filter %s\n", member_filter)); + + ret = sysdb_search_entry(tmp_ctx, sysdb, basedn, + LDB_SCOPE_SUBTREE, member_filter, group_attrs, + &direct_sysdb_count, &direct_sysdb_groups); + if (ret == EOK) { + /* Get the list of sysdb groups by name */ + sysdb_grouplist = talloc_array(tmp_ctx, char *, direct_sysdb_count+1); + if (!sysdb_grouplist) { + ret = ENOMEM; + goto done; + } + + for(i = 0; i < direct_sysdb_count; i++) { + tmp_str = ldb_msg_find_attr_as_string(direct_sysdb_groups[i], + SYSDB_NAME, NULL); + if (!tmp_str) { + /* This should never happen, but if it does, just continue */ + continue; + } + + sysdb_grouplist[i] = talloc_strdup(sysdb_grouplist, tmp_str); + if (!sysdb_grouplist[i]) { + DEBUG(1, ("A group with no name?\n")); + ret = EIO; + goto done; + } + } + sysdb_grouplist[i] = NULL; + } else if (ret == ENOENT) { + sysdb_grouplist = NULL; + direct_sysdb_count = 0; + } else { + DEBUG(2, ("sysdb_search_entry failed: [%d]: %s\n", ret, strerror(ret))); + goto done; + } + DEBUG(7, ("The group %s is a member of %d sysdb groups\n", + group_name, direct_sysdb_count)); + + /* Filter only parents from full set */ + ret = sdap_initgr_nested_get_direct_parents(tmp_ctx, group, groups, + ngroups, &direct_groups, + &ndirect); + if (ret != EOK) { + DEBUG(1, ("Cannot get parent groups [%d]: %s\n", + ret, strerror(ret))); + goto done; + } + DEBUG(7, ("The group %s is a direct member of %d LDAP groups\n", + group_name, ndirect)); + + /* Store the direct parents with full member/memberof pairs */ + ret = sdap_initgr_common_store(sysdb, opts, dom, group_name, + SYSDB_MEMBER_GROUP, sysdb_grouplist, + direct_groups, ndirect, false); + if (ret != EOK) { + DEBUG(1, ("sdap_initgr_common_store failed [%d]: %s\n", + ret, strerror(ret))); + goto done; + } + + ret = EOK; +done: + talloc_zfree(tmp_ctx); + return ret; +} + +static int sdap_initgr_nested_get_direct_parents(TALLOC_CTX *mem_ctx, + struct sysdb_attrs *attrs, + struct sysdb_attrs **groups, + int ngroups, + struct sysdb_attrs ***_direct_parents, + int *_ndirect) +{ + TALLOC_CTX *tmp_ctx; + struct ldb_message_element *member; + int i, mi; + int ret; + const char *orig_dn; + + int ndirect; + struct sysdb_attrs **direct_groups; + + tmp_ctx = talloc_new(NULL); + if (!tmp_ctx) return ENOMEM; + + + direct_groups = talloc_zero_array(tmp_ctx, struct sysdb_attrs *, + ngroups + 1); + if (!direct_groups) { + ret = ENOMEM; + goto done; + } + ndirect = 0; + + ret = sysdb_attrs_get_string(attrs, SYSDB_ORIG_DN, &orig_dn); + if (ret != EOK) { + DEBUG(3, ("Missing originalDN\n")); + goto done; + } + DEBUG(9, ("Looking up direct parents for group [%s]\n", orig_dn)); + + /* FIXME - Filter only parents from full set to avoid searching + * through all members of huge groups. That requires asking for memberOf + * with the group LDAP search + */ + + /* Filter only direct parents from the list of all groups */ + for (i=0; i < ngroups; i++) { + ret = sysdb_attrs_get_el(groups[i], SYSDB_MEMBER, &member); + if (ret) { + DEBUG(7, ("A group with no members during initgroups?\n")); + continue; + } + + for (mi = 0; mi < member->num_values; mi++) { + if (strcasecmp((const char *) member->values[mi].data, orig_dn) != 0) { + continue; + } + + direct_groups[ndirect] = groups[i]; + ndirect++; + } + } + direct_groups[ndirect] = NULL; + + DEBUG(9, ("The group [%s] has %d direct parents\n", orig_dn, ndirect)); + + *_direct_parents = direct_groups; + *_ndirect = ndirect; + ret = EOK; +done: + talloc_zfree(tmp_ctx); + return ret; +} + +static int sdap_initgr_nested_recv(struct tevent_req *req) +{ + TEVENT_REQ_RETURN_ON_ERROR(req); + + return EOK; +} + + +/* ==Initgr-call-(groups-a-user-is-member-of)============================= */ + +struct sdap_get_initgr_state { + struct tevent_context *ev; + struct sysdb_ctx *sysdb; + struct sdap_options *opts; + struct sss_domain_info *dom; + struct sdap_handle *sh; + struct sdap_id_ctx *id_ctx; + const char *name; + const char **grp_attrs; + const char **ldap_attrs; + + struct sysdb_attrs *orig_user; +}; + +static void sdap_get_initgr_user(struct tevent_req *subreq); +static void sdap_get_initgr_done(struct tevent_req *subreq); + +struct tevent_req *sdap_get_initgr_send(TALLOC_CTX *memctx, + struct tevent_context *ev, + struct sdap_handle *sh, + struct sdap_id_ctx *id_ctx, + const char *name, + const char **grp_attrs) +{ + struct tevent_req *req, *subreq; + struct sdap_get_initgr_state *state; + const char *base_dn; + char *filter; + int ret; + char *clean_name; + + DEBUG(9, ("Retrieving info for initgroups call\n")); + + req = tevent_req_create(memctx, &state, struct sdap_get_initgr_state); + if (!req) return NULL; + + state->ev = ev; + state->opts = id_ctx->opts; + state->sysdb = id_ctx->be->sysdb; + state->dom = id_ctx->be->domain; + state->sh = sh; + state->id_ctx = id_ctx; + state->name = name; + state->grp_attrs = grp_attrs; + state->orig_user = NULL; + + ret = sss_filter_sanitize(state, name, &clean_name); + if (ret != EOK) { + return NULL; + } + + filter = talloc_asprintf(state, "(&(%s=%s)(objectclass=%s))", + state->opts->user_map[SDAP_AT_USER_NAME].name, + clean_name, + state->opts->user_map[SDAP_OC_USER].name); + if (!filter) { + talloc_zfree(req); + return NULL; + } + + base_dn = dp_opt_get_string(state->opts->basic, + SDAP_USER_SEARCH_BASE); + if (!base_dn) { + talloc_zfree(req); + return NULL; + } + + ret = build_attrs_from_map(state, state->opts->user_map, + SDAP_OPTS_USER, &state->ldap_attrs); + if (ret) { + talloc_zfree(req); + return NULL; + } + + subreq = sdap_get_generic_send(state, state->ev, + state->opts, state->sh, + base_dn, LDAP_SCOPE_SUBTREE, + filter, state->ldap_attrs, + state->opts->user_map, SDAP_OPTS_USER, + dp_opt_get_int(state->opts->basic, + SDAP_SEARCH_TIMEOUT)); + if (!subreq) { + talloc_zfree(req); + return NULL; + } + tevent_req_set_callback(subreq, sdap_get_initgr_user, req); + + return req; +} + +static struct tevent_req *sdap_initgr_rfc2307bis_send( + TALLOC_CTX *memctx, + struct tevent_context *ev, + struct sdap_options *opts, + struct sysdb_ctx *sysdb, + struct sss_domain_info *dom, + struct sdap_handle *sh, + const char *base_dn, + const char *name, + const char *orig_dn); +static void sdap_get_initgr_user(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data(subreq, + struct tevent_req); + struct sdap_get_initgr_state *state = tevent_req_data(req, + struct sdap_get_initgr_state); + struct sysdb_attrs **usr_attrs; + size_t count; + int ret; + const char *orig_dn; + + DEBUG(9, ("Receiving info for the user\n")); + + ret = sdap_get_generic_recv(subreq, state, &count, &usr_attrs); + talloc_zfree(subreq); + if (ret) { + tevent_req_error(req, ret); + return; + } + + if (count != 1) { + DEBUG(2, ("Expected one user entry and got %d\n", count)); + tevent_req_error(req, ENOENT); + return; + } + + state->orig_user = usr_attrs[0]; + + ret = sysdb_transaction_start(state->sysdb); + if (ret) { + tevent_req_error(req, ret); + return; + } + + DEBUG(9, ("Storing the user\n")); + + ret = sdap_save_user(state, state->sysdb, + state->opts, state->dom, + state->orig_user, state->ldap_attrs, + true, NULL); + if (ret) { + sysdb_transaction_cancel(state->sysdb); + tevent_req_error(req, ret); + return; + } + + DEBUG(9, ("Commit change\n")); + + ret = sysdb_transaction_commit(state->sysdb); + if (ret) { + tevent_req_error(req, ret); + return; + } + + DEBUG(9, ("Process user's groups\n")); + + switch (state->opts->schema_type) { + case SDAP_SCHEMA_RFC2307: + subreq = sdap_initgr_rfc2307_send(state, state->ev, state->opts, + state->sysdb, state->dom, state->sh, + dp_opt_get_string(state->opts->basic, + SDAP_GROUP_SEARCH_BASE), + state->name); + if (!subreq) { + tevent_req_error(req, ENOMEM); + return; + } + tevent_req_set_callback(subreq, sdap_get_initgr_done, req); + break; + + case SDAP_SCHEMA_RFC2307BIS: + ret = sysdb_attrs_get_string(state->orig_user, + SYSDB_ORIG_DN, + &orig_dn); + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + + subreq = sdap_initgr_rfc2307bis_send( + state, state->ev, state->opts, state->sysdb, + state->dom, state->sh, + dp_opt_get_string(state->opts->basic, + SDAP_GROUP_SEARCH_BASE), + state->name, orig_dn); + if (!subreq) { + tevent_req_error(req, ENOMEM); + return; + } + talloc_steal(subreq, orig_dn); + tevent_req_set_callback(subreq, sdap_get_initgr_done, req); + break; + case SDAP_SCHEMA_IPA_V1: + case SDAP_SCHEMA_AD: + /* TODO: AD uses a different member/memberof schema + * We need an AD specific call that is able to unroll + * nested groups by doing extensive recursive searches */ + + subreq = sdap_initgr_nested_send(state, state->ev, state->opts, + state->sysdb, state->dom, state->sh, + state->orig_user, state->grp_attrs); + if (!subreq) { + tevent_req_error(req, ENOMEM); + return; + } + tevent_req_set_callback(subreq, sdap_get_initgr_done, req); + return; + + default: + tevent_req_error(req, EINVAL); + return; + } +} + +static int sdap_initgr_rfc2307bis_recv(struct tevent_req *req); +static void sdap_get_initgr_pgid(struct tevent_req *req); +static void sdap_get_initgr_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data(subreq, + struct tevent_req); + struct sdap_get_initgr_state *state = tevent_req_data(req, + struct sdap_get_initgr_state); + int ret; + gid_t primary_gid; + char *gid; + + DEBUG(9, ("Initgroups done\n")); + + switch (state->opts->schema_type) { + case SDAP_SCHEMA_RFC2307: + ret = sdap_initgr_rfc2307_recv(subreq); + break; + + case SDAP_SCHEMA_RFC2307BIS: + ret = sdap_initgr_rfc2307bis_recv(subreq); + break; + + case SDAP_SCHEMA_IPA_V1: + case SDAP_SCHEMA_AD: + ret = sdap_initgr_nested_recv(subreq); + break; + + default: + + ret = EINVAL; + break; + } + + talloc_zfree(subreq); + if (ret) { + DEBUG(9, ("Error in initgroups: [%d][%s]\n", + ret, strerror(ret))); + tevent_req_error(req, ret); + return; + } + + /* We also need to update the user's primary group, since + * the user may not be an explicit member of that group + */ + ret = sysdb_attrs_get_uint32_t(state->orig_user, SYSDB_GIDNUM, &primary_gid); + if (ret != EOK) { + DEBUG(6, ("Could not find user's primary GID\n")); + tevent_req_error(req, ret); + return; + } + + gid = talloc_asprintf(state, "%lu", (unsigned long)primary_gid); + if (gid == NULL) { + tevent_req_error(req, ENOMEM); + return; + } + + subreq = groups_get_send(req, state->ev, state->id_ctx, gid, + BE_FILTER_IDNUM, BE_ATTR_ALL); + if (!subreq) { + tevent_req_error(req, ENOMEM); + return; + } + tevent_req_set_callback(subreq, sdap_get_initgr_pgid, req); + + tevent_req_done(req); +} + +static void sdap_get_initgr_pgid(struct tevent_req *subreq) +{ + struct tevent_req *req = + tevent_req_callback_data(subreq, struct tevent_req); + errno_t ret; + + ret = groups_get_recv(subreq, NULL); + talloc_zfree(subreq); + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + + tevent_req_done(req); +} + +int sdap_get_initgr_recv(struct tevent_req *req) +{ + TEVENT_REQ_RETURN_ON_ERROR(req); + + return EOK; +} + +static void sdap_initgr_rfc2307bis_process(struct tevent_req *subreq); +static struct tevent_req *sdap_initgr_rfc2307bis_send( + TALLOC_CTX *memctx, + struct tevent_context *ev, + struct sdap_options *opts, + struct sysdb_ctx *sysdb, + struct sss_domain_info *dom, + struct sdap_handle *sh, + const char *base_dn, + const char *name, + const char *orig_dn) +{ + errno_t ret; + struct tevent_req *req; + struct tevent_req *subreq; + struct sdap_initgr_rfc2307_state *state; + const char *filter; + const char **attrs; + char *clean_orig_dn; + + req = tevent_req_create(memctx, &state, struct sdap_initgr_rfc2307_state); + if (!req) return NULL; + + state->ev = ev; + state->opts = opts; + state->sysdb = sysdb; + state->dom = dom; + state->sh = sh; + state->op = NULL; + state->name = name; + + ret = build_attrs_from_map(state, opts->group_map, + SDAP_OPTS_GROUP, &attrs); + if (ret != EOK) { + talloc_free(req); + return NULL; + } + + ret = sss_filter_sanitize(state, orig_dn, &clean_orig_dn); + if (ret != EOK) { + talloc_free(req); + return NULL; + } + + filter = talloc_asprintf(state, "(&(%s=%s)(objectclass=%s)(%s=*))", + opts->group_map[SDAP_AT_GROUP_MEMBER].name, + clean_orig_dn, + opts->group_map[SDAP_OC_GROUP].name, + opts->group_map[SDAP_AT_GROUP_NAME].name); + if (!filter) { + talloc_zfree(req); + return NULL; + } + talloc_zfree(clean_orig_dn); + + DEBUG(6, ("Looking up parent groups for user [%s]\n", orig_dn)); + subreq = sdap_get_generic_send(state, state->ev, state->opts, + state->sh, base_dn, LDAP_SCOPE_SUBTREE, + filter, attrs, + state->opts->group_map, SDAP_OPTS_GROUP, + dp_opt_get_int(state->opts->basic, + SDAP_SEARCH_TIMEOUT)); + if (!subreq) { + talloc_zfree(req); + return NULL; + } + tevent_req_set_callback(subreq, sdap_initgr_rfc2307bis_process, req); + + return req; + +} + +errno_t save_rfc2307bis_user_memberships( + struct sdap_initgr_rfc2307_state *state); +struct tevent_req *rfc2307bis_nested_groups_send( + TALLOC_CTX *mem_ctx, struct tevent_context *ev, + struct sdap_options *opts, struct sysdb_ctx *sysdb, + struct sss_domain_info *dom, struct sdap_handle *sh, + struct sysdb_attrs **groups, size_t num_groups, + size_t nesting); +static void sdap_initgr_rfc2307bis_done(struct tevent_req *subreq); +static void sdap_initgr_rfc2307bis_process(struct tevent_req *subreq) +{ + struct tevent_req *req; + struct sdap_initgr_rfc2307_state *state; + int ret; + + req = tevent_req_callback_data(subreq, struct tevent_req); + state = tevent_req_data(req, struct sdap_initgr_rfc2307_state); + + ret = sdap_get_generic_recv(subreq, state, + &state->ldap_groups_count, + &state->ldap_groups); + talloc_zfree(subreq); + if (ret) { + tevent_req_error(req, ret); + return; + } + + if (state->ldap_groups_count == 0) { + /* Start a transaction to look up the groups in the sysdb + * and update them with LDAP data + */ + ret = save_rfc2307bis_user_memberships(state); + if (ret != EOK) { + tevent_req_error(req, ret); + } else { + tevent_req_done(req); + } + return; + } + + subreq = rfc2307bis_nested_groups_send(state, state->ev, state->opts, + state->sysdb, state->dom, + state->sh, state->ldap_groups, + state->ldap_groups_count, 0); + if (!subreq) { + tevent_req_error(req, EIO); + return; + } + tevent_req_set_callback(subreq, sdap_initgr_rfc2307bis_done, req); +} + +errno_t save_rfc2307bis_user_memberships( + struct sdap_initgr_rfc2307_state *state) +{ + errno_t ret, tret; + char *member_dn; + char *sanitized_dn; + char *filter; + const char **attrs; + size_t reply_count, i; + struct ldb_message **replies; + char **ldap_grouplist; + char **sysdb_grouplist; + char **add_groups; + char **del_groups; + const char *tmp_str; + bool in_transaction = false; + + TALLOC_CTX *tmp_ctx = talloc_new(NULL); + if(!tmp_ctx) { + return ENOMEM; + } + + DEBUG(7, ("Save parent groups to sysdb\n")); + ret = sysdb_transaction_start(state->sysdb); + if (ret != EOK) { + goto error; + } + in_transaction = true; + + /* Save this user and their memberships */ + attrs = talloc_array(tmp_ctx, const char *, 2); + if (!attrs) { + ret = ENOMEM; + goto error; + } + + attrs[0] = SYSDB_NAME; + attrs[1] = NULL; + + member_dn = sysdb_user_strdn(tmp_ctx, state->dom->name, state->name); + if (!member_dn) { + ret = ENOMEM; + goto error; + } + ret = sss_filter_sanitize(tmp_ctx, member_dn, &sanitized_dn); + if (ret != EOK) { + goto error; + } + talloc_free(member_dn); + + filter = talloc_asprintf(tmp_ctx, "(member=%s)", sanitized_dn); + if (!filter) { + ret = ENOMEM; + goto error; + } + talloc_free(sanitized_dn); + + ret = sysdb_search_groups(tmp_ctx, state->sysdb, filter, attrs, + &reply_count, &replies); + if (ret != EOK && ret != ENOENT) { + goto error; + } if (ret == ENOENT) { + reply_count = 0; + } + + if (reply_count == 0) { + DEBUG(6, ("User [%s] is not a direct member of any groups\n", + state->name)); + sysdb_grouplist = NULL; + } else { + sysdb_grouplist = talloc_array(tmp_ctx, char *, reply_count+1); + if (!sysdb_grouplist) { + ret = ENOMEM; + goto error; + } + + for (i = 0; i < reply_count; i++) { + tmp_str = ldb_msg_find_attr_as_string(replies[i], + SYSDB_NAME, + NULL); + if (!tmp_str) { + /* This should never happen, but if it + * does, just skip it. + */ + continue; + } + + sysdb_grouplist[i] = talloc_strdup(sysdb_grouplist, tmp_str); + if (!sysdb_grouplist[i]) { + ret = ENOMEM; + goto error; + } + } + sysdb_grouplist[i] = NULL; + } + + if (state->ldap_groups_count == 0) { + ldap_grouplist = NULL; + } + else { + ret = sysdb_attrs_primary_name_list( + state->sysdb, tmp_ctx, + state->ldap_groups, state->ldap_groups_count, + state->opts->group_map[SDAP_AT_GROUP_NAME].name, + &ldap_grouplist); + if (ret != EOK) { + goto error; + } + } + + /* Find the differences between the sysdb and ldap lists + * Groups in ldap only must be added to the sysdb; + * groups in the sysdb only must be removed. + */ + ret = diff_string_lists(tmp_ctx, + ldap_grouplist, sysdb_grouplist, + &add_groups, &del_groups, NULL); + if (ret != EOK) { + goto error; + } + + DEBUG(8, ("Updating memberships for %s\n", state->name)); + ret = sysdb_update_members(state->sysdb, state->name, SYSDB_MEMBER_USER, + (const char *const *)add_groups, + (const char *const *)del_groups); + if (ret != EOK) { + goto error; + } + + ret = sysdb_transaction_commit(state->sysdb); + if (ret != EOK) { + goto error; + } + + return EOK; + +error: + if (in_transaction) { + tret = sysdb_transaction_cancel(state->sysdb); + if (tret != EOK) { + DEBUG(1, ("Failed to cancel transaction\n")); + } + } + talloc_free(tmp_ctx); + return ret; +} + +static errno_t rfc2307bis_nested_groups_recv(struct tevent_req *req); +static void sdap_initgr_rfc2307bis_done(struct tevent_req *subreq) +{ + errno_t ret; + struct tevent_req *req = + tevent_req_callback_data(subreq, struct tevent_req); + struct sdap_initgr_rfc2307_state *state = + tevent_req_data(req, struct sdap_initgr_rfc2307_state); + + ret = rfc2307bis_nested_groups_recv(subreq); + talloc_zfree(subreq); + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + + /* save the user memberships */ + ret = save_rfc2307bis_user_memberships(state); + if (ret != EOK) { + tevent_req_error(req, ret); + } else { + tevent_req_done(req); + } + return; +} + +struct sdap_rfc2307bis_nested_ctx { + struct tevent_context *ev; + struct sdap_options *opts; + struct sysdb_ctx *sysdb; + struct sss_domain_info *dom; + struct sdap_handle *sh; + struct sysdb_attrs **groups; + size_t num_groups; + + size_t nesting_level; + + size_t group_iter; + struct sysdb_attrs **ldap_groups; + size_t ldap_groups_count; + + struct sysdb_handle *handle; +}; + +static errno_t rfc2307bis_nested_groups_step(struct tevent_req *req); +struct tevent_req *rfc2307bis_nested_groups_send( + TALLOC_CTX *mem_ctx, struct tevent_context *ev, + struct sdap_options *opts, struct sysdb_ctx *sysdb, + struct sss_domain_info *dom, struct sdap_handle *sh, + struct sysdb_attrs **groups, size_t num_groups, + size_t nesting) +{ + errno_t ret; + struct tevent_req *req; + struct sdap_rfc2307bis_nested_ctx *state; + + req = tevent_req_create(mem_ctx, &state, + struct sdap_rfc2307bis_nested_ctx); + if (!req) return NULL; + + if ((num_groups == 0) || + (nesting > dp_opt_get_int(opts->basic, SDAP_NESTING_LEVEL))) { + /* No parent groups to process or too deep*/ + tevent_req_done(req); + tevent_req_post(req, ev); + return req; + } + + state->ev = ev; + state->opts = opts; + state->sysdb = sysdb; + state->dom = dom; + state->sh = sh; + state->groups = groups; + state->num_groups = num_groups; + state->group_iter = 0; + state->nesting_level = nesting; + + ret = rfc2307bis_nested_groups_step(req); + if (ret != EOK) { + tevent_req_error(req, ret); + tevent_req_post(req, ev); + } + return req; +} + +static void rfc2307bis_nested_groups_process(struct tevent_req *subreq); +static errno_t rfc2307bis_nested_groups_step(struct tevent_req *req) +{ + errno_t ret, tret; + struct tevent_req *subreq; + const char *name; + struct sysdb_attrs **grouplist; + char **groupnamelist; + bool in_transaction = false; + TALLOC_CTX *tmp_ctx = NULL; + char *filter; + const char *orig_dn; + const char **attrs; + char *clean_orig_dn; + struct sdap_rfc2307bis_nested_ctx *state = + tevent_req_data(req, struct sdap_rfc2307bis_nested_ctx); + + tmp_ctx = talloc_new(state); + if (!tmp_ctx) { + ret = ENOMEM; + goto error; + } + + ret = sysdb_attrs_primary_name( + state->sysdb, + state->groups[state->group_iter], + state->opts->group_map[SDAP_AT_GROUP_NAME].name, + &name); + if (ret != EOK) { + goto error; + } + + DEBUG(6, ("Processing group [%s]\n", name)); + + ret = sysdb_transaction_start(state->sysdb); + if (ret != EOK) { + goto error; + } + in_transaction = true; + + /* First, save the group we're processing to the sysdb + * sdap_add_incomplete_groups_send will add them if needed + */ + + /* sdap_add_incomplete_groups_send expects a list of groups */ + grouplist = talloc_array(tmp_ctx, struct sysdb_attrs *, 1); + if (!grouplist) { + ret = ENOMEM; + goto error; + } + grouplist[0] = state->groups[state->group_iter]; + + groupnamelist = talloc_array(tmp_ctx, char *, 2); + if (!groupnamelist) { + ret = ENOMEM; + goto error; + } + groupnamelist[0] = talloc_strdup(groupnamelist, name); + if (!groupnamelist[0]) { + ret = ENOMEM; + goto error; + } + groupnamelist[1] = NULL; + + DEBUG(6, ("Saving incomplete group [%s] to the sysdb\n", + groupnamelist[0])); + ret = sdap_add_incomplete_groups(state->sysdb, state->opts, + state->dom, groupnamelist, + grouplist, 1); + if (ret != EOK) { + goto error; + } + + ret = sysdb_transaction_commit(state->sysdb); + if (ret != EOK) { + goto error; + } + + /* Get any parent groups for this group */ + ret = sysdb_attrs_get_string(state->groups[state->group_iter], + SYSDB_ORIG_DN, + &orig_dn); + if (ret != EOK) { + goto error; + } + + ret = build_attrs_from_map(tmp_ctx, state->opts->group_map, + SDAP_OPTS_GROUP, &attrs); + if (ret != EOK) { + goto error; + } + + ret = sss_filter_sanitize(state, orig_dn, &clean_orig_dn); + if (ret != EOK) { + goto error; + } + + filter = talloc_asprintf( + tmp_ctx, "(&(%s=%s)(objectclass=%s)(%s=*))", + state->opts->group_map[SDAP_AT_GROUP_MEMBER].name, + clean_orig_dn, + state->opts->group_map[SDAP_OC_GROUP].name, + state->opts->group_map[SDAP_AT_GROUP_NAME].name); + if (!filter) { + ret = ENOMEM; + goto error; + } + talloc_zfree(clean_orig_dn); + + DEBUG(6, ("Looking up parent groups for group [%s]\n", orig_dn)); + subreq = sdap_get_generic_send(state, state->ev, state->opts, + state->sh, + dp_opt_get_string(state->opts->basic, + SDAP_GROUP_SEARCH_BASE), + LDAP_SCOPE_SUBTREE, + filter, attrs, + state->opts->group_map, SDAP_OPTS_GROUP, + dp_opt_get_int(state->opts->basic, + SDAP_SEARCH_TIMEOUT)); + if (!subreq) { + ret = EIO; + goto error; + } + talloc_steal(subreq, tmp_ctx); + tevent_req_set_callback(subreq, + rfc2307bis_nested_groups_process, + req); + + return EOK; + +error: + if (in_transaction) { + tret = sysdb_transaction_cancel(state->sysdb); + if (tret != EOK) { + DEBUG(1, ("Failed to cancel transaction\n")); + } + } + + talloc_free(tmp_ctx); + return ret; +} + +static errno_t rfc2307bis_nested_groups_update_sysdb( + struct sdap_rfc2307bis_nested_ctx *state); +static void rfc2307bis_nested_groups_done(struct tevent_req *subreq); +static void rfc2307bis_nested_groups_process(struct tevent_req *subreq) +{ + errno_t ret; + struct tevent_req *req = + tevent_req_callback_data(subreq, struct tevent_req); + struct sdap_rfc2307bis_nested_ctx *state = + tevent_req_data(req, struct sdap_rfc2307bis_nested_ctx); + + ret = sdap_get_generic_recv(subreq, state, + &state->ldap_groups_count, + &state->ldap_groups); + talloc_zfree(subreq); + if (ret) { + tevent_req_error(req, ret); + return; + } + + if (state->ldap_groups_count == 0) { + /* No parent groups for this group in LDAP + * We need to ensure that there are no groups + * in the sysdb either. + */ + + ret = rfc2307bis_nested_groups_update_sysdb(state); + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + + state->group_iter++; + if (state->group_iter < state->num_groups) { + ret = rfc2307bis_nested_groups_step(req); + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + } else { + tevent_req_done(req); + } + return; + } + + /* Otherwise, recurse into the groups */ + subreq = rfc2307bis_nested_groups_send( + state, state->ev, state->opts, state->sysdb, + state->dom, state->sh, + state->ldap_groups, + state->ldap_groups_count, + state->nesting_level+1); + if (!subreq) { + tevent_req_error(req, EIO); + return; + } + tevent_req_set_callback(subreq, rfc2307bis_nested_groups_done, req); +} + +static errno_t rfc2307bis_nested_groups_recv(struct tevent_req *req) +{ + TEVENT_REQ_RETURN_ON_ERROR(req); + return EOK; +} + +static void rfc2307bis_nested_groups_done(struct tevent_req *subreq) +{ + errno_t ret; + struct tevent_req *req = + tevent_req_callback_data(subreq, struct tevent_req); + struct sdap_rfc2307bis_nested_ctx *state = + tevent_req_data(req, struct sdap_rfc2307bis_nested_ctx); + + ret = rfc2307bis_nested_groups_recv(subreq); + talloc_zfree(subreq); + if (ret != EOK) { + DEBUG(6, ("rfc2307bis_nested failed [%d][%s]\n", + ret, strerror(ret))); + tevent_req_error(req, ret); + return; + } + + /* All of the parent groups have been added + * Now add the memberships + */ + + ret = rfc2307bis_nested_groups_update_sysdb(state); + if (ret != EOK) { + tevent_req_error(req, ret); + return; + } + + state->group_iter++; + if (state->group_iter < state->num_groups) { + ret = rfc2307bis_nested_groups_step(req); + if (ret != EOK) { + tevent_req_error(req, ret); + } + } else { + tevent_req_done(req); + } +} + +static errno_t rfc2307bis_nested_groups_update_sysdb( + struct sdap_rfc2307bis_nested_ctx *state) +{ + errno_t ret, tret; + const char *name; + bool in_transaction = false; + char *member_dn; + char *sanitized_dn; + char *filter; + const char **attrs; + size_t reply_count, i; + struct ldb_message **replies; + char **sysdb_grouplist; + char **ldap_grouplist; + char **add_groups; + char **del_groups; + const char *tmp_str; + + TALLOC_CTX *tmp_ctx = talloc_new(state); + if (!tmp_ctx) { + return ENOMEM; + } + + /* Start a transaction to look up the groups in the sysdb + * and update them with LDAP data + */ + ret = sysdb_transaction_start(state->sysdb); + if (ret != EOK) { + goto error; + } + in_transaction = true; + + ret = sysdb_attrs_primary_name( + state->sysdb, + state->groups[state->group_iter], + state->opts->group_map[SDAP_AT_GROUP_NAME].name, + &name); + if (ret != EOK) { + goto error; + } + + DEBUG(6, ("Processing group [%s]\n", name)); + + attrs = talloc_array(tmp_ctx, const char *, 2); + if (!attrs) { + ret = ENOMEM; + goto error; + } + attrs[0] = SYSDB_NAME; + attrs[1] = NULL; + + member_dn = sysdb_group_strdn(tmp_ctx, state->dom->name, name); + if (!member_dn) { + ret = ENOMEM; + goto error; + } + + ret = sss_filter_sanitize(tmp_ctx, member_dn, &sanitized_dn); + if (ret != EOK) { + goto error; + } + talloc_free(member_dn); + + filter = talloc_asprintf(tmp_ctx, "(member=%s)", sanitized_dn); + if (!filter) { + ret = ENOMEM; + goto error; + } + talloc_free(sanitized_dn); + + ret = sysdb_search_groups(tmp_ctx, state->sysdb, filter, attrs, + &reply_count, &replies); + if (ret != EOK && ret != ENOENT) { + goto error; + } else if (ret == ENOENT) { + reply_count = 0; + } + + if (reply_count == 0) { + DEBUG(6, ("Group [%s] is not a direct member of any groups\n", name)); + sysdb_grouplist = NULL; + } else { + sysdb_grouplist = talloc_array(tmp_ctx, char *, reply_count+1); + if (!sysdb_grouplist) { + ret = ENOMEM; + goto error; + } + + for (i = 0; i < reply_count; i++) { + tmp_str = ldb_msg_find_attr_as_string(replies[i], + SYSDB_NAME, + NULL); + if (!tmp_str) { + /* This should never happen, but if it + * does, just skip it. + */ + continue; + } + + sysdb_grouplist[i] = talloc_strdup(sysdb_grouplist, tmp_str); + if (!sysdb_grouplist[i]) { + ret = ENOMEM; + goto error; + } + } + sysdb_grouplist[i] = NULL; + } + + if (state->ldap_groups_count == 0) { + ldap_grouplist = NULL; + } + else { + ret = sysdb_attrs_primary_name_list( + state->sysdb, tmp_ctx, + state->ldap_groups, state->ldap_groups_count, + state->opts->group_map[SDAP_AT_GROUP_NAME].name, + &ldap_grouplist); + if (ret != EOK) { + goto error; + } + } + + /* Find the differences between the sysdb and ldap lists + * Groups in ldap only must be added to the sysdb; + * groups in the sysdb only must be removed. + */ + ret = diff_string_lists(state, + ldap_grouplist, sysdb_grouplist, + &add_groups, &del_groups, NULL); + if (ret != EOK) { + goto error; + } + talloc_free(ldap_grouplist); + talloc_free(sysdb_grouplist); + + DEBUG(8, ("Updating memberships for %s\n", name)); + ret = sysdb_update_members(state->sysdb, name, SYSDB_MEMBER_GROUP, + (const char *const *)add_groups, + (const char *const *)del_groups); + if (ret != EOK) { + goto error; + } + + ret = sysdb_transaction_commit(state->sysdb); + if (ret != EOK) { + goto error; + } + in_transaction = false; + + ret = EOK; + +error: + if (in_transaction) { + tret = sysdb_transaction_cancel(state->sysdb); + if (tret != EOK) { + DEBUG(1, ("Failed to cancel transaction\n")); + } + } + talloc_free(tmp_ctx); + return ret; +} + +static int sdap_initgr_rfc2307bis_recv(struct tevent_req *req) +{ + TEVENT_REQ_RETURN_ON_ERROR(req); + return EOK; +} diff --git a/src/providers/ldap/sdap_async_private.h b/src/providers/ldap/sdap_async_private.h index b29b18df..5b041716 100644 --- a/src/providers/ldap/sdap_async_private.h +++ b/src/providers/ldap/sdap_async_private.h @@ -74,4 +74,21 @@ int sdap_get_tgt_recv(struct tevent_req *req, char **ccname, time_t *expire_time_out); +int sdap_save_user(TALLOC_CTX *memctx, + struct sysdb_ctx *ctx, + struct sdap_options *opts, + struct sss_domain_info *dom, + struct sysdb_attrs *attrs, + const char **ldap_attrs, + bool is_initgr, + char **_usn_value); + +int sdap_save_users(TALLOC_CTX *memctx, + struct sysdb_ctx *sysdb, + const char **attrs, + struct sss_domain_info *dom, + struct sdap_options *opts, + struct sysdb_attrs **users, + int num_users, + char **_usn_value); #endif /* _SDAP_ASYNC_PRIVATE_H_ */ diff --git a/src/providers/ldap/sdap_async_users.c b/src/providers/ldap/sdap_async_users.c new file mode 100644 index 00000000..82338dc1 --- /dev/null +++ b/src/providers/ldap/sdap_async_users.c @@ -0,0 +1,513 @@ +/* + SSSD + + Async LDAP Helper routines - retrieving users + + Copyright (C) Simo Sorce <ssorce@redhat.com> - 2009 + Copyright (C) 2010, Ralf Haferkamp <rhafer@suse.de>, Novell Inc. + Copyright (C) Jan Zeleny <jzeleny@redhat.com> - 2011 + + 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 "util/util.h" +#include "db/sysdb.h" +#include "providers/ldap/sdap_async_private.h" +#include "providers/ldap/ldap_common.h" + +/* ==Save-User-Entry====================================================== */ + +/* FIXME: support storing additional attributes */ + +int sdap_save_user(TALLOC_CTX *memctx, + struct sysdb_ctx *ctx, + struct sdap_options *opts, + struct sss_domain_info *dom, + struct sysdb_attrs *attrs, + const char **ldap_attrs, + bool is_initgr, + char **_usn_value) +{ + struct ldb_message_element *el; + int ret; + const char *name = NULL; + const char *pwd; + const char *gecos; + const char *homedir; + const char *shell; + uid_t uid; + gid_t gid; + struct sysdb_attrs *user_attrs; + char *upn = NULL; + size_t i; + char *val = NULL; + int cache_timeout; + char *usn_value = NULL; + size_t c; + char **missing = NULL; + TALLOC_CTX *tmpctx = NULL; + + DEBUG(9, ("Save user\n")); + + tmpctx = talloc_new(memctx); + if (!tmpctx) { + ret = ENOMEM; + goto fail; + } + + user_attrs = sysdb_new_attrs(tmpctx); + if (user_attrs == NULL) { + ret = ENOMEM; + goto fail; + } + + ret = sysdb_attrs_primary_name(ctx, attrs, + opts->user_map[SDAP_AT_USER_NAME].name, + &name); + if (ret != EOK) { + DEBUG(1, ("Failed to save the user - entry has no name attribute\n")); + goto fail; + } + + ret = sysdb_attrs_get_el(attrs, + opts->user_map[SDAP_AT_USER_PWD].sys_name, &el); + if (ret) goto fail; + if (el->num_values == 0) pwd = NULL; + else pwd = (const char *)el->values[0].data; + + ret = sysdb_attrs_get_el(attrs, + opts->user_map[SDAP_AT_USER_GECOS].sys_name, &el); + if (ret) goto fail; + if (el->num_values == 0) gecos = NULL; + else gecos = (const char *)el->values[0].data; + + if (!gecos) { + /* Fall back to the user's full name */ + ret = sysdb_attrs_get_el( + attrs, + opts->user_map[SDAP_AT_USER_FULLNAME].sys_name, &el); + if (ret) goto fail; + if (el->num_values > 0) gecos = (const char *)el->values[0].data; + } + + ret = sysdb_attrs_get_el(attrs, + opts->user_map[SDAP_AT_USER_HOME].sys_name, &el); + if (ret) goto fail; + if (el->num_values == 0) homedir = NULL; + else homedir = (const char *)el->values[0].data; + + ret = sysdb_attrs_get_el(attrs, + opts->user_map[SDAP_AT_USER_SHELL].sys_name, &el); + if (ret) goto fail; + if (el->num_values == 0) shell = NULL; + else shell = (const char *)el->values[0].data; + + ret = sysdb_attrs_get_uint32_t(attrs, + opts->user_map[SDAP_AT_USER_UID].sys_name, + &uid); + if (ret != EOK) { + DEBUG(1, ("no uid provided for [%s] in domain [%s].\n", + name, dom->name)); + ret = EINVAL; + goto fail; + } + + /* check that the uid is valid for this domain */ + if (OUT_OF_ID_RANGE(uid, dom->id_min, dom->id_max)) { + DEBUG(2, ("User [%s] filtered out! (id out of range)\n", + name)); + ret = EINVAL; + goto fail; + } + + ret = sysdb_attrs_get_uint32_t(attrs, + opts->user_map[SDAP_AT_USER_GID].sys_name, + &gid); + if (ret != EOK) { + DEBUG(1, ("no gid provided for [%s] in domain [%s].\n", + name, dom->name)); + ret = EINVAL; + goto fail; + } + + /* check that the gid is valid for this domain */ + if (OUT_OF_ID_RANGE(gid, dom->id_min, dom->id_max)) { + DEBUG(2, ("User [%s] filtered out! (id out of range)\n", + name)); + ret = EINVAL; + goto fail; + } + + ret = sysdb_attrs_get_el(attrs, SYSDB_ORIG_DN, &el); + if (ret) { + goto fail; + } + if (el->num_values == 0) { + DEBUG(7, ("Original DN is not available for [%s].\n", name)); + } else { + DEBUG(7, ("Adding original DN [%s] to attributes of [%s].\n", + el->values[0].data, name)); + ret = sysdb_attrs_add_string(user_attrs, SYSDB_ORIG_DN, + (const char *) el->values[0].data); + if (ret) { + goto fail; + } + } + + ret = sysdb_attrs_get_el(attrs, SYSDB_MEMBEROF, &el); + if (ret) { + goto fail; + } + if (el->num_values == 0) { + DEBUG(7, ("Original memberOf is not available for [%s].\n", + name)); + } else { + DEBUG(7, ("Adding original memberOf attributes to [%s].\n", + name)); + for (i = 0; i < el->num_values; i++) { + ret = sysdb_attrs_add_string(user_attrs, SYSDB_ORIG_MEMBEROF, + (const char *) el->values[i].data); + if (ret) { + goto fail; + } + } + } + + ret = sysdb_attrs_get_el(attrs, + opts->user_map[SDAP_AT_USER_MODSTAMP].sys_name, &el); + if (ret) { + goto fail; + } + if (el->num_values == 0) { + DEBUG(7, ("Original mod-Timestamp is not available for [%s].\n", + name)); + } else { + ret = sysdb_attrs_add_string(user_attrs, + opts->user_map[SDAP_AT_USER_MODSTAMP].sys_name, + (const char*)el->values[0].data); + if (ret) { + goto fail; + } + } + + ret = sysdb_attrs_get_el(attrs, + opts->user_map[SDAP_AT_USER_USN].sys_name, &el); + if (ret) { + goto fail; + } + if (el->num_values == 0) { + DEBUG(7, ("Original USN value is not available for [%s].\n", + name)); + } else { + ret = sysdb_attrs_add_string(user_attrs, + opts->user_map[SDAP_AT_USER_USN].sys_name, + (const char*)el->values[0].data); + if (ret) { + goto fail; + } + usn_value = talloc_strdup(memctx, (const char*)el->values[0].data); + if (!usn_value) { + ret = ENOMEM; + goto fail; + } + } + + ret = sysdb_attrs_get_el(attrs, + opts->user_map[SDAP_AT_USER_PRINC].sys_name, &el); + if (ret) { + goto fail; + } + if (el->num_values == 0) { + DEBUG(7, ("User principal is not available for [%s].\n", name)); + } else { + upn = talloc_strdup(user_attrs, (const char*) el->values[0].data); + if (!upn) { + ret = ENOMEM; + goto fail; + } + if (dp_opt_get_bool(opts->basic, SDAP_FORCE_UPPER_CASE_REALM)) { + make_realm_upper_case(upn); + } + DEBUG(7, ("Adding user principal [%s] to attributes of [%s].\n", + upn, name)); + ret = sysdb_attrs_add_string(user_attrs, SYSDB_UPN, upn); + if (ret) { + goto fail; + } + } + + for (i = SDAP_FIRST_EXTRA_USER_AT; i < SDAP_OPTS_USER; i++) { + ret = sysdb_attrs_get_el(attrs, opts->user_map[i].sys_name, &el); + if (ret) { + goto fail; + } + if (el->num_values > 0) { + for (c = 0; c < el->num_values; c++) { + DEBUG(9, ("Adding [%s]=[%s] to user attributes.\n", + opts->user_map[i].sys_name, + (const char*) el->values[c].data)); + val = talloc_strdup(user_attrs, (const char*) el->values[c].data); + if (val == NULL) { + ret = ENOMEM; + goto fail; + } + ret = sysdb_attrs_add_string(user_attrs, + opts->user_map[i].sys_name, val); + if (ret) { + goto fail; + } + } + } + } + + cache_timeout = dp_opt_get_int(opts->basic, SDAP_ENTRY_CACHE_TIMEOUT); + + if (is_initgr) { + ret = sysdb_attrs_add_time_t(user_attrs, SYSDB_INITGR_EXPIRE, + (cache_timeout ? + (time(NULL) + cache_timeout) : 0)); + if (ret) { + goto fail; + } + } + + /* Make sure that any attributes we requested from LDAP that we + * did not receive are also removed from the sysdb + */ + ret = list_missing_attrs(user_attrs, opts->user_map, SDAP_OPTS_USER, + ldap_attrs, attrs, &missing); + if (ret != EOK) { + goto fail; + } + + /* Remove missing attributes */ + if (missing && !missing[0]) { + /* Nothing to remove */ + talloc_zfree(missing); + } + + DEBUG(6, ("Storing info for user %s\n", name)); + + ret = sysdb_store_user(ctx, name, pwd, uid, gid, gecos, homedir, shell, + user_attrs, missing, cache_timeout); + if (ret) goto fail; + + if (_usn_value) { + *_usn_value = usn_value; + } + + talloc_steal(memctx, user_attrs); + talloc_free(tmpctx); + return EOK; + +fail: + DEBUG(2, ("Failed to save user [%s]\n", + name ? name : "Unknown")); + talloc_free(tmpctx); + return ret; +} + + +/* ==Generic-Function-to-save-multiple-users============================= */ + +int sdap_save_users(TALLOC_CTX *memctx, + struct sysdb_ctx *sysdb, + const char **attrs, + struct sss_domain_info *dom, + struct sdap_options *opts, + struct sysdb_attrs **users, + int num_users, + char **_usn_value) +{ + TALLOC_CTX *tmpctx; + char *higher_usn = NULL; + char *usn_value; + int ret; + int i; + + if (num_users == 0) { + /* Nothing to do if there are no users */ + return EOK; + } + + tmpctx = talloc_new(memctx); + if (!tmpctx) { + return ENOMEM; + } + + ret = sysdb_transaction_start(sysdb); + if (ret) { + goto done; + } + + for (i = 0; i < num_users; i++) { + usn_value = NULL; + + ret = sdap_save_user(tmpctx, sysdb, opts, dom, + users[i], attrs, false, + &usn_value); + + /* Do not fail completely on errors. + * Just report the failure to save and go on */ + if (ret) { + DEBUG(2, ("Failed to store user %d. Ignoring.\n", i)); + } else { + DEBUG(9, ("User %d processed!\n", i)); + } + + if (usn_value) { + if (higher_usn) { + if ((strlen(usn_value) > strlen(higher_usn)) || + (strcmp(usn_value, higher_usn) > 0)) { + talloc_zfree(higher_usn); + higher_usn = usn_value; + } else { + talloc_zfree(usn_value); + } + } else { + higher_usn = usn_value; + } + } + } + + ret = sysdb_transaction_commit(sysdb); + if (ret) { + DEBUG(1, ("Failed to commit transaction!\n")); + goto done; + } + + if (_usn_value) { + *_usn_value = talloc_steal(memctx, higher_usn); + } + +done: + talloc_zfree(tmpctx); + return ret; +} + + +/* ==Search-Users-with-filter============================================= */ + +struct sdap_get_users_state { + struct tevent_context *ev; + struct sdap_options *opts; + struct sdap_handle *sh; + struct sss_domain_info *dom; + struct sysdb_ctx *sysdb; + const char **attrs; + const char *filter; + + char *higher_usn; + struct sysdb_attrs **users; + size_t count; +}; + +static void sdap_get_users_process(struct tevent_req *subreq); + +struct tevent_req *sdap_get_users_send(TALLOC_CTX *memctx, + struct tevent_context *ev, + struct sss_domain_info *dom, + struct sysdb_ctx *sysdb, + struct sdap_options *opts, + struct sdap_handle *sh, + const char **attrs, + const char *filter, + int timeout) +{ + struct tevent_req *req, *subreq; + struct sdap_get_users_state *state; + + req = tevent_req_create(memctx, &state, struct sdap_get_users_state); + if (!req) return NULL; + + state->ev = ev; + state->opts = opts; + state->dom = dom; + state->sh = sh; + state->sysdb = sysdb; + state->filter = filter; + state->attrs = attrs; + state->higher_usn = NULL; + state->users = NULL; + state->count = 0; + + subreq = sdap_get_generic_send(state, state->ev, state->opts, state->sh, + dp_opt_get_string(state->opts->basic, + SDAP_USER_SEARCH_BASE), + LDAP_SCOPE_SUBTREE, + state->filter, state->attrs, + state->opts->user_map, SDAP_OPTS_USER, + timeout); + if (!subreq) { + talloc_zfree(req); + return NULL; + } + tevent_req_set_callback(subreq, sdap_get_users_process, req); + + return req; +} + +static void sdap_get_users_process(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data(subreq, + struct tevent_req); + struct sdap_get_users_state *state = tevent_req_data(req, + struct sdap_get_users_state); + int ret; + + ret = sdap_get_generic_recv(subreq, state, + &state->count, &state->users); + talloc_zfree(subreq); + if (ret) { + tevent_req_error(req, ret); + return; + } + + DEBUG(6, ("Search for users, returned %d results.\n", state->count)); + + if (state->count == 0) { + tevent_req_error(req, ENOENT); + return; + } + + ret = sdap_save_users(state, state->sysdb, + state->attrs, + state->dom, state->opts, + state->users, state->count, + &state->higher_usn); + if (ret) { + DEBUG(2, ("Failed to store users.\n")); + tevent_req_error(req, ret); + return; + } + + DEBUG(9, ("Saving %d Users - Done\n", state->count)); + + tevent_req_done(req); +} + +int sdap_get_users_recv(struct tevent_req *req, + TALLOC_CTX *mem_ctx, char **usn_value) +{ + struct sdap_get_users_state *state = tevent_req_data(req, + struct sdap_get_users_state); + + TEVENT_REQ_RETURN_ON_ERROR(req); + + if (usn_value) { + *usn_value = talloc_steal(mem_ctx, state->higher_usn); + } + + return EOK; +} |