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authorDaniel Wagner <daniel.wagner@bmw-carit.de>2011-01-27 16:54:23 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2011-01-27 16:54:23 +0100
commitc973ecfa528e243307703c29e29544c6ba2b87f8 (patch)
tree309aa370ebee8249d254aa6ae21950aea11d29c7 /plugins/openvpn.c
parent91e39c705b27214e8c1c8d3756737999d6e864e0 (diff)
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openvpn: Use parser table instead of open coding
Use the same approach as in VPNC for passing arguments from the provider to OpenVPN client.
Diffstat (limited to 'plugins/openvpn.c')
-rw-r--r--plugins/openvpn.c106
1 files changed, 45 insertions, 61 deletions
diff --git a/plugins/openvpn.c b/plugins/openvpn.c
index 79735429..60e75dc0 100644
--- a/plugins/openvpn.c
+++ b/plugins/openvpn.c
@@ -40,8 +40,28 @@
#include "vpn.h"
+#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
+
static DBusConnection *connection;
+struct {
+ const char *cm_opt;
+ const char *ov_opt;
+} ov_options[] = {
+ { "Host", "--remote" },
+ { "OpenVPN.CACert", "--ca" },
+ { "OpenVPN.Cert", "--cert" },
+ { "OpenVPN.Key", "--key" },
+ { "OpenVPN.MTU", "--mtu" },
+ { "OpenVPN.Proto", "--proto" },
+ { "OpenVPN.Port", "--port" },
+ { "OpenVPN.AuthUserPass", "--auth-user-pass" },
+ { "OpenVPN.TLSRemote", "--tls-remote" },
+ { "OpenVPN.Cipher", "--cipher" },
+ { "OpenVPN.Auth", "--auth" },
+ { "OpenVPN.CompLZO", "--comp-lzo" },
+};
+
static void ov_append_dns_entries(const char *key, const char *value,
char **dns_entries)
{
@@ -131,60 +151,40 @@ static int ov_notify(DBusMessage *msg, struct connman_provider *provider)
return VPN_STATE_CONNECT;
}
+static int task_append_config_data(struct connman_provider *provider,
+ struct connman_task *task)
+{
+ const char *option;
+ int i;
+
+ for (i = 0; i < (int)ARRAY_SIZE(ov_options); i++) {
+ option = connman_provider_get_string(provider,
+ ov_options[i].cm_opt);
+ if (option == NULL)
+ continue;
+
+ if (connman_task_add_argument(task,
+ ov_options[i].ov_opt, option) < 0) {
+ return -EIO;
+ }
+ }
+
+ return 0;
+}
+
static int ov_connect(struct connman_provider *provider,
struct connman_task *task, const char *if_name)
{
- const char *vpnhost, *cafile, *mtu, *certfile, *keyfile;
- const char *proto, *port, *auth_user_pass;
- const char *tls_remote, *cipher, *auth, *comp_lzo;
+ const char *option;
int err, fd;
- vpnhost = connman_provider_get_string(provider, "Host");
- if (!vpnhost) {
+ option = connman_provider_get_string(provider, "Host");
+ if (option == NULL) {
connman_error("Host not set; cannot enable VPN");
return -EINVAL;
}
- cafile = connman_provider_get_string(provider, "OpenVPN.CACert");
- certfile = connman_provider_get_string(provider, "OpenVPN.Cert");
- keyfile = connman_provider_get_string(provider, "OpenVPN.Key");
- mtu = connman_provider_get_string(provider, "VPN.MTU");
- proto = connman_provider_get_string(provider, "OpenVPN.Proto");
- port = connman_provider_get_string(provider, "OpenVPN.Port");
- auth_user_pass = connman_provider_get_string(provider,
- "OpenVPN.AuthUserPass");
- tls_remote = connman_provider_get_string(provider, "OpenVPN.TLSRemote");
- cipher = connman_provider_get_string(provider, "OpenVPN.Cipher");
- auth = connman_provider_get_string(provider, "OpenVPN.Auth");
- comp_lzo = connman_provider_get_string(provider, "OpenVPN.CompLZO");
-
- if (mtu != NULL)
- connman_task_add_argument(task, "--mtu", (char *)mtu);
-
- if (proto != NULL)
- connman_task_add_argument(task, "--proto", (char *)proto);
-
- if (port != NULL)
- connman_task_add_argument(task, "--port", (char *)port);
-
- if (auth_user_pass != NULL) {
- connman_task_add_argument(task, "--auth-user-pass",
- (char *)auth_user_pass);
- }
-
- if (tls_remote != NULL) {
- connman_task_add_argument(task, "--tls-remote",
- (char *)tls_remote);
- }
-
- if (cipher != NULL)
- connman_task_add_argument(task, "--cipher", (char *)cipher);
-
- if (auth != NULL)
- connman_task_add_argument(task, "--auth", (char *)auth);
-
- if (comp_lzo)
- connman_task_add_argument(task, "--comp-lzo", (char *)comp_lzo);
+ task_append_config_data(provider, task);
connman_task_add_argument(task, "--syslog", NULL);
@@ -210,7 +210,6 @@ static int ov_connect(struct connman_provider *provider,
connman_task_add_argument(task, "--dev-type", "tun");
connman_task_add_argument(task, "--tls-client", NULL);
- connman_task_add_argument(task, "--remote", (char *)vpnhost);
connman_task_add_argument(task, "--nobind", NULL);
connman_task_add_argument(task, "--persist-key", NULL);
connman_task_add_argument(task, "--persist-tun", NULL);
@@ -230,21 +229,6 @@ static int ov_connect(struct connman_provider *provider,
connman_task_add_argument(task, "--client", NULL);
- if (cafile) {
- connman_task_add_argument(task, "--ca",
- (char *)cafile);
- }
-
- if (certfile) {
- connman_task_add_argument(task, "--cert",
- (char *)certfile);
- }
-
- if (keyfile) {
- connman_task_add_argument(task, "--key",
- (char *)keyfile);
- }
-
fd = fileno(stderr);
err = connman_task_run(task, vpn_died, provider,
NULL, &fd, &fd);