static void do_successful_login(struct LOCAL_request *lreq)
{
int ret;
lreq->mod_attrs = sysdb_new_attrs(lreq);
NULL_CHECK_OR_JUMP(lreq->mod_attrs, ("sysdb_new_attrs failed.\n"),
lreq->error, ENOMEM, done);
ret = sysdb_attrs_add_long(lreq->mod_attrs,
SYSDB_LAST_LOGIN, (long)time(NULL));
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_attrs_add_long failed.\n"),
lreq->error, ret, done);
ret = sysdb_attrs_add_long(lreq->mod_attrs, SYSDB_FAILED_LOGIN_ATTEMPTS, 0L);
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_attrs_add_long failed.\n"),
lreq->error, ret, done);
ret = sysdb_set_user_attr(lreq->dbctx, lreq->domain,
lreq->preq->pd->user,
lreq->mod_attrs, SYSDB_MOD_REP);
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_set_user_attr failed.\n"),
lreq->error, ret, done);
done:
return;
}
static errno_t invalidate_entry(TALLOC_CTX *ctx,
struct sss_domain_info *domain,
const char *name, int entry_type)
{
struct sysdb_attrs *sys_attrs = NULL;
errno_t ret;
sys_attrs = sysdb_new_attrs(ctx);
if (sys_attrs) {
ret = sysdb_attrs_add_time_t(sys_attrs,
SYSDB_CACHE_EXPIRE, 1);
if (ret == EOK) {
switch (entry_type) {
case TYPE_USER:
/* For users, we also need to reset the initgroups
* cache expiry */
ret = sysdb_attrs_add_time_t(sys_attrs,
SYSDB_INITGR_EXPIRE, 1);
if (ret != EOK) return ret;
ret = sysdb_set_user_attr(domain, name, sys_attrs,
SYSDB_MOD_REP);
break;
case TYPE_GROUP:
ret = sysdb_set_group_attr(domain, name, sys_attrs,
SYSDB_MOD_REP);
break;
case TYPE_NETGROUP:
ret = sysdb_set_netgroup_attr(domain, name, sys_attrs,
SYSDB_MOD_REP);
break;
case TYPE_SERVICE:
ret = sysdb_set_service_attr(domain, name,
sys_attrs, SYSDB_MOD_REP);
break;
case TYPE_AUTOFSMAP:
ret = sysdb_set_autofsmap_attr(domain, name,
sys_attrs, SYSDB_MOD_REP);
break;
default:
return EINVAL;
}
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE, "Could not set entry attributes\n");
}
} else {
DEBUG(SSSDBG_MINOR_FAILURE,
"Could not add expiration time to attributes\n");
}
talloc_zfree(sys_attrs);
} else {
DEBUG(SSSDBG_MINOR_FAILURE, "Could not create sysdb attributes\n");
ret = ENOMEM;
}
return ret;
}
static void do_pam_chauthtok(struct LOCAL_request *lreq)
{
int ret;
char *newauthtok;
char *salt;
char *new_hash;
struct pam_data *pd;
pd = lreq->preq->pd;
newauthtok = talloc_strndup(lreq, (char *) pd->newauthtok,
pd->newauthtok_size);
NULL_CHECK_OR_JUMP(newauthtok, ("talloc_strndup failed.\n"), lreq->error,
ENOMEM, done);
memset(pd->newauthtok, 0, pd->newauthtok_size);
if (strlen(newauthtok) == 0) {
/* TODO: should we allow null passwords via a config option ? */
DEBUG(1, ("Empty passwords are not allowed!\n"));
lreq->error = EINVAL;
goto done;
}
ret = s3crypt_gen_salt(lreq, &salt);
NEQ_CHECK_OR_JUMP(ret, EOK, ("Salt generation failed.\n"),
lreq->error, ret, done);
DEBUG(4, ("Using salt [%s]\n", salt));
ret = s3crypt_sha512(lreq, newauthtok, salt, &new_hash);
NEQ_CHECK_OR_JUMP(ret, EOK, ("Hash generation failed.\n"),
lreq->error, ret, done);
DEBUG(4, ("New hash [%s]\n", new_hash));
memset(newauthtok, 0, pd->newauthtok_size);
lreq->mod_attrs = sysdb_new_attrs(lreq);
NULL_CHECK_OR_JUMP(lreq->mod_attrs, ("sysdb_new_attrs failed.\n"),
lreq->error, ENOMEM, done);
ret = sysdb_attrs_add_string(lreq->mod_attrs, SYSDB_PWD, new_hash);
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_attrs_add_string failed.\n"),
lreq->error, ret, done);
ret = sysdb_attrs_add_long(lreq->mod_attrs,
"lastPasswordChange", (long)time(NULL));
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_attrs_add_long failed.\n"),
lreq->error, ret, done);
ret = sysdb_set_user_attr(lreq->dbctx, lreq->preq->pd->user,
lreq->mod_attrs, SYSDB_MOD_REP);
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_set_user_attr failed.\n"),
lreq->error, ret, done);
done:
return;
}
/*
* Public interface for modifying users
*/
int usermod(TALLOC_CTX *mem_ctx,
struct sysdb_ctx *sysdb,
struct ops_ctx *data)
{
struct sysdb_attrs *attrs = NULL;
struct ldb_dn *member_dn = NULL;
int ret;
if (data->addgroups || data->rmgroups) {
member_dn = sysdb_user_dn(sysdb, mem_ctx,
data->domain->name, data->name);
if (!member_dn) {
return ENOMEM;
}
}
ret = usermod_build_attrs(mem_ctx,
data->gecos,
data->home,
data->shell,
data->uid,
data->gid,
data->lock,
&attrs);
if (ret != EOK) {
return ret;
}
if (attrs->num != 0) {
ret = sysdb_set_user_attr(sysdb, data->name, attrs, SYSDB_MOD_REP);
if (ret) {
return ret;
}
}
if (data->rmgroups != NULL) {
ret = remove_from_groups(mem_ctx, sysdb, data, member_dn);
if (ret) {
return ret;
}
}
if (data->addgroups != NULL) {
ret = add_to_groups(mem_ctx, sysdb, data, member_dn);
if (ret) {
return ret;
}
}
flush_nscd_cache(mem_ctx, NSCD_DB_PASSWD);
flush_nscd_cache(mem_ctx, NSCD_DB_GROUP);
return EOK;
}
static void do_pam_chauthtok(struct LOCAL_request *lreq)
{
int ret;
const char *password;
char *salt;
char *new_hash;
struct pam_data *pd;
pd = lreq->preq->pd;
ret = sss_authtok_get_password(pd->newauthtok, &password, NULL);
if (ret) {
/* TODO: should we allow null passwords via a config option ? */
if (ret == ENOENT) {
DEBUG(1, ("Empty passwords are not allowed!\n"));
}
lreq->error = EINVAL;
goto done;
}
ret = s3crypt_gen_salt(lreq, &salt);
NEQ_CHECK_OR_JUMP(ret, EOK, ("Salt generation failed.\n"),
lreq->error, ret, done);
DEBUG(4, ("Using salt [%s]\n", salt));
ret = s3crypt_sha512(lreq, password, salt, &new_hash);
NEQ_CHECK_OR_JUMP(ret, EOK, ("Hash generation failed.\n"),
lreq->error, ret, done);
DEBUG(4, ("New hash [%s]\n", new_hash));
lreq->mod_attrs = sysdb_new_attrs(lreq);
NULL_CHECK_OR_JUMP(lreq->mod_attrs, ("sysdb_new_attrs failed.\n"),
lreq->error, ENOMEM, done);
ret = sysdb_attrs_add_string(lreq->mod_attrs, SYSDB_PWD, new_hash);
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_attrs_add_string failed.\n"),
lreq->error, ret, done);
ret = sysdb_attrs_add_long(lreq->mod_attrs,
"lastPasswordChange", (long)time(NULL));
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_attrs_add_long failed.\n"),
lreq->error, ret, done);
ret = sysdb_set_user_attr(lreq->dbctx, lreq->domain,
lreq->preq->pd->user,
lreq->mod_attrs, SYSDB_MOD_REP);
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_set_user_attr failed.\n"),
lreq->error, ret, done);
done:
sss_authtok_set_empty(pd->newauthtok);
}
static int attr_op(struct ops_ctx *octx, const char *nameval, int op)
{
TALLOC_CTX *tmp_ctx;
errno_t ret;
struct sysdb_attrs *attrs;
char *name;
char **vals;
int nvals;
int i;
switch(op) {
case SYSDB_MOD_ADD:
case SYSDB_MOD_DEL:
case SYSDB_MOD_REP:
break;
default:
return EINVAL;
}
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) return ENOMEM;
attrs = sysdb_new_attrs(tmp_ctx);
if (attrs == NULL) {
ret = ENOMEM;
goto done;
}
ret = attr_name_val_split(tmp_ctx, nameval, &name, &vals, &nvals);
if (ret != EOK) {
goto done;
}
for (i=0; i < nvals; i++) {
ret = sysdb_attrs_add_string(attrs, name, vals[i]);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE,
"Could not add %s to %s\n", vals[i], name);
continue;
}
}
ret = sysdb_set_user_attr(octx->domain, octx->name, attrs, op);
done:
talloc_free(tmp_ctx);
return ret;
}
static void do_failed_login(struct LOCAL_request *lreq)
{
int ret;
int failedLoginAttempts;
struct pam_data *pd;
pd = lreq->preq->pd;
pd->pam_status = PAM_AUTH_ERR;
/* TODO: maybe add more inteligent delay calculation */
pd->response_delay = 3;
lreq->mod_attrs = sysdb_new_attrs(lreq);
NULL_CHECK_OR_JUMP(lreq->mod_attrs, ("sysdb_new_attrs failed.\n"),
lreq->error, ENOMEM, done);
ret = sysdb_attrs_add_long(lreq->mod_attrs,
SYSDB_LAST_FAILED_LOGIN, (long)time(NULL));
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_attrs_add_long failed.\n"),
lreq->error, ret, done);
failedLoginAttempts = ldb_msg_find_attr_as_int(lreq->res->msgs[0],
SYSDB_FAILED_LOGIN_ATTEMPTS,
0);
failedLoginAttempts++;
ret = sysdb_attrs_add_long(lreq->mod_attrs,
SYSDB_FAILED_LOGIN_ATTEMPTS,
(long)failedLoginAttempts);
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_attrs_add_long failed.\n"),
lreq->error, ret, done);
ret = sysdb_set_user_attr(lreq->dbctx, lreq->domain,
lreq->preq->pd->user,
lreq->mod_attrs, SYSDB_MOD_REP);
NEQ_CHECK_OR_JUMP(ret, EOK, ("sysdb_set_user_attr failed.\n"),
lreq->error, ret, done);
done:
return;
}
static errno_t set_last_login(struct pam_auth_req *preq)
{
struct sysdb_attrs *attrs;
errno_t ret;
attrs = sysdb_new_attrs(preq);
if (!attrs) {
ret = ENOMEM;
goto fail;
}
ret = sysdb_attrs_add_time_t(attrs, SYSDB_LAST_ONLINE_AUTH, time(NULL));
if (ret != EOK) {
goto fail;
}
ret = sysdb_attrs_add_time_t(attrs, SYSDB_LAST_LOGIN, time(NULL));
if (ret != EOK) {
goto fail;
}
ret = sysdb_set_user_attr(preq->domain, preq->pd->user, attrs,
SYSDB_MOD_REP);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE, "set_last_login failed.\n");
preq->pd->pam_status = PAM_SYSTEM_ERR;
goto fail;
} else {
preq->pd->last_auth_saved = true;
}
preq->callback(preq);
return EOK;
fail:
return ret;
}
static int krb5_mod_ccname(TALLOC_CTX *mem_ctx,
struct sysdb_ctx *sysdb,
struct sss_domain_info *domain,
const char *name,
const char *ccname,
int mod_op)
{
TALLOC_CTX *tmpctx;
struct sysdb_attrs *attrs;
int ret;
errno_t sret;
bool in_transaction = false;
if (name == NULL || ccname == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Missing user or ccache name.\n");
return EINVAL;
}
if (mod_op != SYSDB_MOD_REP && mod_op != SYSDB_MOD_DEL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Unsupported operation [%d].\n", mod_op);
return EINVAL;
}
DEBUG(SSSDBG_TRACE_ALL, "%s ccname [%s] for user [%s].\n",
mod_op == SYSDB_MOD_REP ? "Save" : "Delete", ccname, name);
tmpctx = talloc_new(mem_ctx);
if (!tmpctx) {
return ENOMEM;
}
attrs = sysdb_new_attrs(tmpctx);
if (!attrs) {
ret = ENOMEM;
goto done;
}
ret = sysdb_attrs_add_string(attrs, SYSDB_CCACHE_FILE, ccname);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "sysdb_attrs_add_string failed.\n");
goto done;
}
ret = sysdb_transaction_start(sysdb);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Error %d starting transaction (%s)\n", ret, strerror(ret));
goto done;
}
in_transaction = true;
ret = sysdb_set_user_attr(domain, name, attrs, mod_op);
if (ret != EOK) {
DEBUG(SSSDBG_TRACE_FUNC, "Error: %d (%s)\n", ret, strerror(ret));
goto done;
}
ret = sysdb_transaction_commit(sysdb);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to commit transaction!\n");
goto done;
}
in_transaction = false;
done:
if (in_transaction) {
sret = sysdb_transaction_cancel(sysdb);
if (sret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to cancel transaction\n");
}
}
talloc_zfree(tmpctx);
return ret;
}
static int krb5_mod_ccname(TALLOC_CTX *mem_ctx,
struct sysdb_ctx *sysdb,
const char *name,
const char *ccname,
int mod_op)
{
TALLOC_CTX *tmpctx;
struct sysdb_attrs *attrs;
int ret;
if (name == NULL || ccname == NULL) {
DEBUG(1, ("Missing user or ccache name.\n"));
return EINVAL;
}
if (mod_op != SYSDB_MOD_REP && mod_op != SYSDB_MOD_DEL) {
DEBUG(1, ("Unsupported operation [%d].\n", mod_op));
return EINVAL;
}
DEBUG(9, ("%s ccname [%s] for user [%s].\n",
mod_op == SYSDB_MOD_REP ? "Save" : "Delete", ccname, name));
tmpctx = talloc_new(mem_ctx);
if (!tmpctx) {
return ENOMEM;
}
attrs = sysdb_new_attrs(mem_ctx);
if (!attrs) {
ret = ENOMEM;
goto done;
}
ret = sysdb_attrs_add_string(attrs, SYSDB_CCACHE_FILE, ccname);
if (ret != EOK) {
DEBUG(1, ("sysdb_attrs_add_string failed.\n"));
goto done;
}
ret = sysdb_transaction_start(sysdb);
if (ret != EOK) {
DEBUG(6, ("Error %d starting transaction (%s)\n", ret, strerror(ret)));
goto done;
}
ret = sysdb_set_user_attr(sysdb, name, attrs, mod_op);
if (ret != EOK) {
DEBUG(6, ("Error: %d (%s)\n", ret, strerror(ret)));
sysdb_transaction_cancel(sysdb);
goto done;
}
ret = sysdb_transaction_commit(sysdb);
if (ret != EOK) {
DEBUG(1, ("Failed to commit transaction!\n"));
}
done:
talloc_zfree(tmpctx);
return ret;
}