diff options
Diffstat (limited to 'server/tools/sss_groupshow.c')
| -rw-r--r-- | server/tools/sss_groupshow.c | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/server/tools/sss_groupshow.c b/server/tools/sss_groupshow.c new file mode 100644 index 000000000..b942c4ea4 --- /dev/null +++ b/server/tools/sss_groupshow.c @@ -0,0 +1,357 @@ +/* + SSSD + + sss_groupshow + + Copyright (C) Jakub Hrozek <jhrozek@redhat.com> 2010 + + 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 <stdio.h> +#include <stdlib.h> +#include <talloc.h> +#include <popt.h> + +#include "db/sysdb.h" +#include "util/util.h" +#include "tools/tools_util.h" +#include "tools/sss_sync_ops.h" + +struct group_show_state { + const char **user_members; + const char **group_members; + const char **memberofs; + gid_t gid; + + struct sysdb_ctx *sysdb; + struct sss_domain_info *domain; + + bool done; + int ret; +}; + +const char *rdn_as_string(TALLOC_CTX *mem_ctx, + struct ldb_dn *dn) +{ + const struct ldb_val *val; + + val = ldb_dn_get_rdn_val(dn); + if (val == NULL) { + return NULL; + } + + return ldb_dn_escape_value(mem_ctx, *val);; +} + +int parse_members(TALLOC_CTX *mem_ctx, + struct ldb_context *ldb, + struct sss_domain_info *domain, + struct ldb_message_element *el, + const char ***user_members, + const char ***group_members) +{ + struct ldb_dn *user_basedn = NULL, *group_basedn = NULL; + struct ldb_dn *parent_dn = NULL; + struct ldb_dn *dn = NULL; + const char **um = NULL, **gm = NULL; + unsigned int um_index = 0, gm_index = 0; + TALLOC_CTX *tmp_ctx = NULL; + int ret; + int i; + + tmp_ctx = talloc_new(mem_ctx); + if (!tmp_ctx) { + ret = ENOMEM; + goto fail; + } + + user_basedn = ldb_dn_new_fmt(tmp_ctx, ldb, + SYSDB_TMPL_USER_BASE, + domain->name); + group_basedn = ldb_dn_new_fmt(tmp_ctx, ldb, + SYSDB_TMPL_GROUP_BASE, + domain->name); + if (!user_basedn || !group_basedn) { + ret = ENOMEM; + goto fail; + } + + um = talloc_array(mem_ctx, const char *, el->num_values+1); + gm = talloc_array(mem_ctx, const char *, el->num_values+1); + if (!um || !gm) { + ret = ENOMEM; + goto fail; + } + + for (i = 0; i< el->num_values; ++i) { + dn = ldb_dn_from_ldb_val(tmp_ctx, ldb, &(el->values[i])); + + /* user member or group member? */ + parent_dn = ldb_dn_get_parent(tmp_ctx, dn); + if (ldb_dn_compare_base(parent_dn, user_basedn) == 0) { + um[um_index] = rdn_as_string(mem_ctx, dn); + if (um[um_index] == NULL) { + ret = ENOMEM; + goto fail; + } + DEBUG(6, ("User member %s\n", um[um_index])); + um_index++; + } else if (ldb_dn_compare_base(parent_dn, group_basedn) == 0) { + gm[gm_index] = rdn_as_string(mem_ctx, dn); + if (gm[gm_index] == NULL) { + ret = ENOMEM; + goto fail; + } + DEBUG(6, ("Group member %s\n", gm[gm_index])); + gm_index++; + } else { + DEBUG(2, ("Group member not a user nor group: %s\n", + ldb_dn_get_linearized(dn))); + ret = EIO; + goto fail; + } + + talloc_free(dn); + talloc_free(parent_dn); + } + um[um_index] = NULL; + gm[gm_index] = NULL; + + um = talloc_realloc(mem_ctx, um, const char *, um_index+1); + gm = talloc_realloc(mem_ctx, gm, const char *, gm_index+1); + if (!um || !gm) { + ret = ENOMEM; + goto fail; + } + + *user_members = um; + *group_members = gm; + talloc_free(tmp_ctx); + return EOK; + +fail: + talloc_free(um); + talloc_free(gm); + talloc_free(tmp_ctx); + return ret; +} + +static void group_show_done(struct tevent_req *req) +{ + struct group_show_state *state = tevent_req_callback_data(req, + struct group_show_state); + int ret; + int i; + struct ldb_message *msg = NULL; + struct ldb_context *ldb = sysdb_ctx_get_ldb(state->sysdb); + struct ldb_message_element *el; + struct ldb_dn *dn = NULL; + + ret = sysdb_search_group_recv(req, state, &msg); + talloc_zfree(req); + if (ret) { + DEBUG(2, ("Search failed: %s (%d)\n", strerror(ret), ret)); + ret = EIO; + goto done; + } + + DEBUG(6, ("Found entry %s\n", ldb_dn_get_linearized(msg->dn))); + + /* list members */ + el = ldb_msg_find_element(msg, SYSDB_MEMBER); + if (el) { + ret = parse_members(state, ldb, state->domain, el, + &state->user_members, + &state->group_members); + if (ret != EOK) { + goto done; + } + } + + /* list memberofs */ + el = ldb_msg_find_element(msg, SYSDB_MEMBEROF); + if (el) { + state->memberofs = talloc_array(state, const char *, el->num_values+1); + if (state->memberofs == NULL) { + ret = ENOMEM; + goto done; + } + + for (i = 0; i< el->num_values; ++i) { + dn = ldb_dn_from_ldb_val(state, ldb, &(el->values[i])); + state->memberofs[i] = rdn_as_string(state, dn); + if (state->memberofs[i] == NULL) { + ret = ENOMEM; + goto done; + } + DEBUG(6, ("memberof value: %s\n", state->memberofs[i])); + + talloc_free(dn); + } + state->memberofs[el->num_values] = NULL; + } + + state->gid = ldb_msg_find_attr_as_uint64(msg, + SYSDB_GIDNUM, 0); + if (state->gid == 0) { + ret = EIO; + goto done; + } + + ret = EOK; +done: + state->ret = ret; + state->done = true; +} + +int main(int argc, const char **argv) +{ + int ret = EXIT_SUCCESS; + int pc_debug = 0; + const char *pc_groupname = NULL; + struct tools_ctx *tctx = NULL; + struct tevent_req *req = NULL; + const char *attrs[] = { SYSDB_MEMBEROF, SYSDB_GIDNUM, + SYSDB_MEMBER, NULL }; + struct group_show_state *search_state = NULL; + int i; + + poptContext pc = NULL; + struct poptOption long_options[] = { + POPT_AUTOHELP + { "debug", '\0', POPT_ARG_INT | POPT_ARGFLAG_DOC_HIDDEN, &pc_debug, + 0, _("The debug level to run with"), NULL }, + POPT_TABLEEND + }; + + debug_prg_name = argv[0]; + + ret = set_locale(); + if (ret != EOK) { + DEBUG(1, ("set_locale failed (%d): %s\n", ret, strerror(ret))); + ERROR("Error setting the locale\n"); + ret = EXIT_FAILURE; + goto fini; + } + + /* parse ops_ctx */ + pc = poptGetContext(NULL, argc, argv, long_options, 0); + poptSetOtherOptionHelp(pc, "GROUPNAME"); + if ((ret = poptGetNextOpt(pc)) < -1) { + usage(pc, poptStrerror(ret)); + ret = EXIT_FAILURE; + goto fini; + } + + debug_level = pc_debug; + + pc_groupname = poptGetArg(pc); + if (pc_groupname == NULL) { + usage(pc, _("Specify group to show\n")); + ret = EXIT_FAILURE; + goto fini; + } + + CHECK_ROOT(ret, debug_prg_name); + + ret = init_sss_tools(&tctx); + if (ret != EOK) { + DEBUG(1, ("init_sss_tools failed (%d): %s\n", ret, strerror(ret))); + if (ret == ENOENT) { + ERROR("Error initializing the tools - no local domain\n"); + } else { + ERROR("Error initializing the tools\n"); + } + ret = EXIT_FAILURE; + goto fini; + } + + /* if the domain was not given as part of FQDN, default to local domain */ + ret = parse_name_domain(tctx, pc_groupname); + if (ret != EOK) { + ERROR("Invalid domain specified in FQDN\n"); + ret = EXIT_FAILURE; + goto fini; + } + + /* Do the search */ + search_state = talloc_zero(tctx, struct group_show_state); + if (search_state == NULL) { + ret = EXIT_FAILURE; + goto fini; + } + search_state->sysdb = tctx->sysdb; + search_state->domain = tctx->local; + + req = sysdb_search_group_by_name_send(tctx, tctx->ev, tctx->sysdb, + tctx->handle, tctx->local, + tctx->octx->name, attrs); + if (!req || !search_state) { + ret = EXIT_FAILURE; + goto fini; + } + tevent_req_set_callback(req, group_show_done, search_state); + + /* Busy wait */ + while (!search_state->done) { + tevent_loop_once(tctx->ev); + } + + /* Process result */ + ret = search_state->ret; + if (ret) { + DEBUG(1, ("sysdb operation failed (%d)[%s]\n", ret, strerror(ret))); + switch (ret) { + case ENOENT: + ERROR("No such group in local domain. " + "Printing groups only allowed in local domain.\n"); + break; + + default: + ERROR("Internal error. Could not print group.\n"); + break; + } + ret = EXIT_FAILURE; + goto fini; + } + + /* print the results */ + printf(_("Group: %s\nGID number: %d"), tctx->octx->name, + search_state->gid); + if (search_state->user_members) { + printf(_("\nMember users: ")); + for (i=0; search_state->user_members[i]; ++i) { + printf("%s ", search_state->user_members[i]); + } + } + if (search_state->group_members) { + printf(_("\nMember groups: ")); + for (i=0; search_state->group_members[i]; ++i) { + printf("%s ", search_state->group_members[i]); + } + } + if (search_state->memberofs) { + printf(_("\nIs a member of: ")); + for (i=0; search_state->memberofs[i]; ++i) { + printf("%s ", search_state->memberofs[i]); + } + } + printf("\n"); + +fini: + talloc_free(tctx); + poptFreeContext(pc); + exit(ret); +} |