static void passwd_file_lookup(struct auth_request *auth_request,
userdb_callback_t *callback)
{
struct userdb_module *_module = auth_request->userdb->userdb;
struct passwd_file_userdb_module *module =
(struct passwd_file_userdb_module *)_module;
struct passwd_user *pu;
const struct var_expand_table *table;
string_t *str;
const char *key, *value;
char **p;
pu = db_passwd_file_lookup(module->pwf, auth_request,
module->username_format);
if (pu == NULL || pu->uid == 0) {
callback(USERDB_RESULT_USER_UNKNOWN, auth_request);
return;
}
if (pu->uid != (uid_t)-1) {
auth_request_set_userdb_field(auth_request, "uid",
dec2str(pu->uid));
}
if (pu->gid != (gid_t)-1) {
auth_request_set_userdb_field(auth_request, "gid",
dec2str(pu->gid));
}
if (pu->home != NULL)
auth_request_set_userdb_field(auth_request, "home", pu->home);
if (pu->extra_fields != NULL) {
str = t_str_new(512);
table = auth_request_get_var_expand_table(auth_request, NULL);
for (p = pu->extra_fields; *p != NULL; p++) {
if (strncmp(*p, "userdb_", 7) != 0)
continue;
key = *p + 7;
value = strchr(key, '=');
if (value != NULL) {
key = t_strdup_until(key, value);
str_truncate(str, 0);
auth_request_var_expand_with_table(str, value + 1,
auth_request, table, NULL);
value = str_c(str);
} else {
value = "";
}
auth_request_set_userdb_field(auth_request, key, value);
}
}
callback(USERDB_RESULT_OK, auth_request);
}
static void
userdb_nss_lookup(struct auth_request *auth_request,
userdb_callback_t *callback)
{
struct userdb_module *_module = auth_request->userdb->userdb;
struct nss_userdb_module *module = (struct nss_userdb_module *)_module;
struct passwd pw;
enum nss_status status;
enum userdb_result result = USERDB_RESULT_INTERNAL_FAILURE;
int err;
auth_request_log_debug(auth_request, "nss", "lookup");
status = module->getpwnam_r(auth_request->user, &pw,
module->buf, module->bufsize, &err);
switch (status) {
case NSS_STATUS_TRYAGAIN:
auth_request_log_error(auth_request, "nss",
"returned tryagain (err=%d)", err);
break;
case NSS_STATUS_UNAVAIL:
auth_request_log_error(auth_request, "nss",
"unavailable (err=%d)", err);
break;
case NSS_STATUS_NOTFOUND:
auth_request_log_info(auth_request, "nss", "unknown user");
result = USERDB_RESULT_USER_UNKNOWN;
break;
case NSS_STATUS_SUCCESS:
result = USERDB_RESULT_OK;
break;
default:
auth_request_log_info(auth_request, "nss",
"returned %d (err=%d)", status, err);
break;
}
if (result != USERDB_RESULT_OK) {
callback(result, auth_request);
return;
}
auth_request_set_field(auth_request, "user", pw.pw_name, NULL);
auth_request_init_userdb_reply(auth_request);
auth_request_set_userdb_field(auth_request, "system_groups_user",
pw.pw_name);
auth_request_set_userdb_field(auth_request, "uid", dec2str(pw.pw_uid));
auth_request_set_userdb_field(auth_request, "gid", dec2str(pw.pw_gid));
auth_request_set_userdb_field(auth_request, "home", pw.pw_dir);
callback(USERDB_RESULT_OK, auth_request);
}
static void passwd_lookup(struct auth_request *auth_request,
userdb_callback_t *callback)
{
struct userdb_module *_module = auth_request->userdb->userdb;
struct passwd_userdb_module *module =
(struct passwd_userdb_module *)_module;
struct passwd pw;
struct timeval start_tv;
int ret;
auth_request_log_debug(auth_request, "passwd", "lookup");
if (gettimeofday(&start_tv, NULL) < 0)
start_tv.tv_sec = 0;
ret = i_getpwnam(auth_request->user, &pw);
if (start_tv.tv_sec != 0)
passwd_check_warnings(auth_request, module, &start_tv);
switch (ret) {
case -1:
auth_request_log_error(auth_request, "passwd",
"getpwnam() failed: %m");
callback(USERDB_RESULT_INTERNAL_FAILURE, auth_request);
return;
case 0:
auth_request_log_info(auth_request, "passwd", "unknown user");
callback(USERDB_RESULT_USER_UNKNOWN, auth_request);
return;
}
auth_request_set_field(auth_request, "user", pw.pw_name, NULL);
auth_request_init_userdb_reply(auth_request);
auth_request_set_userdb_field(auth_request, "system_groups_user",
pw.pw_name);
auth_request_set_userdb_field(auth_request, "uid", dec2str(pw.pw_uid));
auth_request_set_userdb_field(auth_request, "gid", dec2str(pw.pw_gid));
auth_request_set_userdb_field(auth_request, "home", pw.pw_dir);
userdb_template_export(module->tmpl, auth_request);
callback(USERDB_RESULT_OK, auth_request);
}
static int
dict_query_save_results(struct auth_request *auth_request,
struct db_dict_value_iter *iter)
{
const char *key, *value, *error;
while (db_dict_value_iter_next(iter, &key, &value)) {
if (value != NULL)
auth_request_set_userdb_field(auth_request, key, value);
}
if (db_dict_value_iter_deinit(&iter, &error) < 0) {
auth_request_log_error(auth_request, AUTH_SUBSYS_DB, "%s", error);
return -1;
}
return 0;
}
static void
sql_query_get_result(struct sql_result *result,
struct auth_request *auth_request)
{
const char *name, *value;
unsigned int i, fields_count;
fields_count = sql_result_get_fields_count(result);
for (i = 0; i < fields_count; i++) {
name = sql_result_get_field_name(result, i);
value = sql_result_get_field_value(result, i);
if (*name != '\0' && value != NULL) {
auth_request_set_userdb_field(auth_request,
name, value);
}
}
}
void userdb_template_export(struct userdb_template *tmpl,
struct auth_request *auth_request)
{
const struct var_expand_table *table;
string_t *str;
const char *const *args, *value;
unsigned int i, count;
str = t_str_new(256);
table = auth_request_get_var_expand_table(auth_request, NULL);
args = array_get(&tmpl->args, &count);
i_assert((count % 2) == 0);
for (i = 0; i < count; i += 2) {
if (args[i+1] == NULL)
value = "";
else {
str_truncate(str, 0);
var_expand(str, args[i+1], table);
value = str_c(str);
}
auth_request_set_userdb_field(auth_request, args[i], value);
}
}
