static bool srv_in_server_list(const char *servers)
{
TALLOC_CTX *tmp_ctx;
char **list = NULL;
int ret = 0;
bool has_srv = false;
if (servers == NULL) return true;
tmp_ctx = talloc_new(NULL);
if (!tmp_ctx) {
return false;
}
/* split server parm into a list */
ret = split_on_separator(tmp_ctx, servers, ',', true, true, &list, NULL);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Failed to parse server list!\n");
goto done;
}
for (int i = 0; list[i]; i++) {
has_srv = be_fo_is_srv_identifier(list[i]);
if (has_srv == true) {
break;
}
}
done:
talloc_free(tmp_ctx);
return has_srv;
}
errno_t krb5_servers_init(struct be_ctx *ctx,
struct krb5_service *service,
const char *service_name,
const char *servers,
bool primary)
{
TALLOC_CTX *tmp_ctx;
char **list = NULL;
errno_t ret;
int i;
char *port_str;
long port;
char *server_spec;
char *endptr;
struct servent *servent;
tmp_ctx = talloc_new(NULL);
if (!tmp_ctx) {
return ENOMEM;
}
ret = split_on_separator(tmp_ctx, servers, ',', true, &list, NULL);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to parse server list!\n"));
goto done;
}
for (i = 0; list[i]; i++) {
talloc_steal(service, list[i]);
server_spec = talloc_strdup(service, list[i]);
if (!server_spec) {
ret = ENOMEM;
goto done;
}
if (be_fo_is_srv_identifier(server_spec)) {
ret = be_fo_add_srv_server(ctx, service_name, service_name, NULL,
BE_FO_PROTO_UDP, true, NULL);
if (ret) {
DEBUG(SSSDBG_FATAL_FAILURE, ("Failed to add server\n"));
goto done;
}
DEBUG(SSSDBG_TRACE_FUNC, ("Added service lookup\n"));
continue;
}
port_str = strrchr(server_spec, ':');
if (port_str == NULL) {
port = 0;
} else {
*port_str = '\0';
++port_str;
if (isdigit(*port_str)) {
errno = 0;
port = strtol(port_str, &endptr, 10);
if (errno != 0) {
ret = errno;
DEBUG(SSSDBG_CRIT_FAILURE, ("strtol failed on [%s]: [%d][%s].\n", port_str,
ret, strerror(ret)));
goto done;
}
if (*endptr != '\0') {
DEBUG(SSSDBG_CRIT_FAILURE, ("Found additional characters [%s] in port number "
"[%s].\n", endptr, port_str));
ret = EINVAL;
goto done;
}
if (port < 1 || port > 65535) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Illegal port number [%d].\n", port));
ret = EINVAL;
goto done;
}
} else if (isalpha(*port_str)) {
servent = getservbyname(port_str, NULL);
if (servent == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, ("getservbyname cannot find service [%s].\n",
port_str));
ret = EINVAL;
goto done;
}
port = servent->s_port;
} else {
DEBUG(SSSDBG_CRIT_FAILURE, ("Unsupported port specifier in [%s].\n", list[i]));
ret = EINVAL;
goto done;
}
}
ret = be_fo_add_server(ctx, service_name, server_spec, (int) port,
list[i], primary);
if (ret && ret != EEXIST) {
DEBUG(SSSDBG_FATAL_FAILURE, ("Failed to add server\n"));
goto done;
}
DEBUG(SSSDBG_TRACE_FUNC, ("Added Server %s\n", list[i]));
}
done:
talloc_free(tmp_ctx);
return ret;
}
