diff options
Diffstat (limited to 'server/tools')
| -rw-r--r-- | server/tools/sss_groupmod.c | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/server/tools/sss_groupmod.c b/server/tools/sss_groupmod.c new file mode 100644 index 00000000..020a1f2e --- /dev/null +++ b/server/tools/sss_groupmod.c @@ -0,0 +1,281 @@ +/* + SSSD + + sss_groupmod + + Copyright (C) Jakub Hrozek <jhrozek@redhat.com> 2009 + + 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 <errno.h> +#include <sys/types.h> + +#include "util/util.h" +#include "db/sysdb.h" +#include "tools/tools_util.h" + +struct group_mod_ctx { + struct sysdb_req *sysreq; + struct sss_domain_info *domain; + + struct tools_ctx *ctx; + + gid_t gid; + const char *groupname; + + char **addgroups; + char **rmgroups; + int cur; + + int error; + bool done; +}; + +/* sysdb callback */ +static void mod_group_done(void *pvt, int error, struct ldb_result *ignore) +{ + struct group_mod_ctx *data = talloc_get_type(pvt, struct group_mod_ctx); + + data->done = true; + + sysdb_transaction_done(data->sysreq, error); + + if (error) + data->error = error; +} + +static void add_to_groups(void *, int, struct ldb_result *); + +/* sysdb_req_fn_t */ +static void mod_group(struct sysdb_req *req, void *pvt) +{ + struct group_mod_ctx *group_ctx; + int ret; + + group_ctx = talloc_get_type(pvt, struct group_mod_ctx); + group_ctx->sysreq = req; + + if(group_ctx->gid == 0) { + add_to_groups(group_ctx, EOK, NULL); + } else { + ret = sysdb_set_group_gid(req, + group_ctx->domain, + group_ctx->groupname, + group_ctx->gid, + mod_group_done, + group_ctx); + if (ret != EOK) { + mod_group_done(group_ctx, ret, NULL); + } + } +} + +static void remove_from_groups(void *pvt, int error, struct ldb_result *ignore) +{ + struct group_mod_ctx *group_ctx = talloc_get_type(pvt, struct group_mod_ctx); + struct ldb_dn *group_dn; + struct ldb_dn *parent_group_dn; + int ret; + + if (error) { + mod_group_done(pvt, error, NULL); + return; + } + + /* check if we removed all of them */ + if (group_ctx->rmgroups == NULL || + group_ctx->rmgroups[group_ctx->cur] == NULL) { + mod_group_done(group_ctx, EOK, NULL); + return; + } + + group_dn = sysdb_group_dn(group_ctx->ctx->sysdb, group_ctx, + group_ctx->domain->name, group_ctx->groupname); + if (!group_dn) { + mod_group_done(pvt, ENOMEM, NULL); + return; + } + + parent_group_dn = sysdb_group_dn(group_ctx->ctx->sysdb, group_ctx, + group_ctx->domain->name, + group_ctx->rmgroups[group_ctx->cur]); + if (!parent_group_dn) { + mod_group_done(pvt, ENOMEM, NULL); + return; + } + + ret = sysdb_remove_group_member(group_ctx->sysreq, + group_dn, parent_group_dn, + remove_from_groups, group_ctx); + if (ret != EOK) + mod_group_done(group_ctx, ret, NULL); + + /* go on to next group */ + group_ctx->cur++; +} + +static void add_to_groups(void *pvt, int error, struct ldb_result *ignore) +{ + struct group_mod_ctx *group_ctx = talloc_get_type(pvt, struct group_mod_ctx); + struct ldb_dn *group_dn; + struct ldb_dn *parent_group_dn; + int ret; + + if (error) { + mod_group_done(pvt, error, NULL); + return; + } + + /* check if we added all of them */ + if (group_ctx->addgroups == NULL || + group_ctx->addgroups[group_ctx->cur] == NULL) { + group_ctx->cur = 0; + remove_from_groups(group_ctx, EOK, NULL); + return; + } + + group_dn = sysdb_group_dn(group_ctx->ctx->sysdb, group_ctx, + group_ctx->domain->name, group_ctx->groupname); + if (!group_dn) { + mod_group_done(pvt, ENOMEM, NULL); + return; + } + + parent_group_dn = sysdb_group_dn(group_ctx->ctx->sysdb, group_ctx, + group_ctx->domain->name, + group_ctx->addgroups[group_ctx->cur]); + if (!parent_group_dn) { + mod_group_done(pvt, ENOMEM, NULL); + return; + } + + ret = sysdb_add_group_member(group_ctx->sysreq, + group_dn, parent_group_dn, + add_to_groups, group_ctx); + if (ret != EOK) + mod_group_done(group_ctx, ret, NULL); + + /* go on to next group */ + group_ctx->cur++; +} + +int main(int argc, const char **argv) +{ + gid_t pc_gid = 0; + struct poptOption long_options[] = { + POPT_AUTOHELP + { "append-group", 'a', POPT_ARG_STRING, NULL, 'a', "Groups to add this group to", NULL }, + { "remove-group", 'r', POPT_ARG_STRING, NULL, 'r', "Groups to remove this group from", NULL }, + { "gid", 'g', POPT_ARG_INT, &pc_gid, 0, "The GID of the group", NULL }, + POPT_TABLEEND + }; + poptContext pc = NULL; + struct group_mod_ctx *group_ctx = NULL; + struct tools_ctx *ctx = NULL; + char *groups; + int ret; + + debug_prg_name = argv[0]; + + ret = setup_db(&ctx); + if (ret != EOK) { + DEBUG(0, ("Could not set up database\n")); + ret = EXIT_FAILURE; + goto fini; + } + + group_ctx = talloc_zero(ctx, struct group_mod_ctx); + if (group_ctx == NULL) { + DEBUG(0, ("Could not allocate memory for group_ctx context\n")); + return ENOMEM; + } + group_ctx->ctx = ctx; + + /* parse group_ctx */ + pc = poptGetContext(NULL, argc, argv, long_options, 0); + poptSetOtherOptionHelp(pc, "USERNAME"); + while ((ret = poptGetNextOpt(pc)) > 0) { + if (ret == 'a' || ret == 'r') { + groups = poptGetOptArg(pc); + if (!groups) { + ret = -1; + break; + } + + ret = parse_groups(ctx, + groups, + (ret == 'a') ? (&group_ctx->addgroups) : (&group_ctx->rmgroups)); + + free(groups); + if (ret != EOK) { + break; + } + } + } + + if(ret != -1) { + usage(pc, poptStrerror(ret)); + ret = EXIT_FAILURE; + goto fini; + } + + /* groupname is an argument without --option */ + group_ctx->groupname = poptGetArg(pc); + if (group_ctx->groupname == NULL) { + usage(pc, "Specify group to modify\n"); + ret = EXIT_FAILURE; + goto fini; + } + + group_ctx->gid = pc_gid; + + /* arguments processed, go on to actual work */ + group_ctx->domain = btreemap_get_value(ctx->domains, "LOCAL"); + if (group_ctx->domain == NULL) { + DEBUG(0, ("Could not get the domain\n")); + ret = EXIT_FAILURE; + goto fini; + } + + ret = sysdb_transaction(ctx, ctx->sysdb, mod_group, group_ctx); + if (ret != EOK) { + DEBUG(0, ("Could not start transaction (%d)[%s]\n", + ret, strerror(ret))); + ret = EXIT_FAILURE; + goto fini; + } + + while (!group_ctx->done) { + tevent_loop_once(ctx->ev); + } + + if (group_ctx->error) { + ret = group_ctx->error; + DEBUG(0, ("Operation failed (%d)[%s]\n", ret, strerror(ret))); + ret = EXIT_FAILURE; + goto fini; + } + + ret = EXIT_SUCCESS; + +fini: + poptFreeContext(pc); + talloc_free(ctx); + exit(ret); +} |