interface-ip: Support source ip rule updates when reloading
[project/netifd.git] / config.c
index 682db54d536b42c65db1835368494f79af5c3fcd..5d3db9f0bec329517d03b4017279ef17e0e83e3a 100644 (file)
--- a/config.c
+++ b/config.c
@@ -11,6 +11,7 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */
+#define _GNU_SOURCE
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include "interface-ip.h"
 #include "iprule.h"
 #include "proto.h"
+#include "wireless.h"
 #include "config.h"
 
 bool config_init = false;
 
 static struct uci_context *uci_ctx;
 static struct uci_package *uci_network;
+static struct uci_package *uci_wireless;
 static struct blob_buf b;
 
+static int
+config_section_idx(struct uci_section *s)
+{
+       struct uci_element *e;
+       int idx = 0;
+
+       uci_foreach_element(&uci_wireless->sections, e) {
+               struct uci_section *cur = uci_to_section(e);
+
+               if (s == cur)
+                       return idx;
+
+               if (!strcmp(cur->type, s->type))
+                       idx++;
+       }
+
+       return -1;
+}
+
 static int
 config_parse_bridge_interface(struct uci_section *s)
 {
@@ -54,11 +76,14 @@ static void
 config_parse_interface(struct uci_section *s, bool alias)
 {
        struct interface *iface;
-       const char *type = NULL;
+       const char *type = NULL, *disabled;
        struct blob_attr *config;
-       struct device *dev;
        bool bridge = false;
 
+       disabled = uci_lookup_option_string(uci_ctx, s, "disabled");
+       if (disabled && !strcmp(disabled, "1"))
+               return;
+
        blob_buf_init(&b, 0);
 
        if (!alias)
@@ -71,12 +96,11 @@ config_parse_interface(struct uci_section *s, bool alias)
        }
 
        uci_to_blob(&b, s, &interface_attr_list);
-       iface = calloc(1, sizeof(*iface));
+
+       iface = interface_alloc(s->e.name, b.head);
        if (!iface)
                return;
 
-       interface_init(iface, s->e.name, b.head);
-
        if (iface->proto_handler && iface->proto_handler->config_params)
                uci_to_blob(&b, s, iface->proto_handler->config_params);
 
@@ -93,26 +117,8 @@ config_parse_interface(struct uci_section *s, bool alias)
        } else {
                interface_add(iface, config);
        }
-
-       /*
-        * need to look up the interface name again, in case of config update,
-        * the pointer will have changed
-        */
-       iface = vlist_find(&interfaces, s->e.name, iface, node);
-       if (!iface)
-               return;
-
-       dev = iface->main_dev.dev;
-       if (!dev || !dev->default_config)
-               return;
-
-       blob_buf_init(&b, 0);
-       uci_to_blob(&b, s, dev->type->config_params);
-       if (blob_len(b.head) == 0)
-               return;
-
-       device_set_config(dev, dev->type, b.head);
        return;
+
 error_free_config:
        free(config);
 error:
@@ -149,8 +155,10 @@ config_init_devices(void)
        struct uci_element *e;
 
        uci_foreach_element(&uci_network->sections, e) {
+               const struct uci_blob_param_list *params = NULL;
                struct uci_section *s = uci_to_section(e);
                const struct device_type *devtype = NULL;
+               struct device *dev;
                const char *type, *name;
 
                if (strcmp(s->type, "device") != 0)
@@ -162,20 +170,38 @@ config_init_devices(void)
 
                type = uci_lookup_option_string(uci_ctx, s, "type");
                if (type) {
-                       if (!strcmp(type, "bridge"))
+                       if (!strcmp(type, "8021ad"))
+                               devtype = &vlandev_device_type;
+                       else if (!strcmp(type, "8021q"))
+                               devtype = &vlandev_device_type;
+                       else if (!strcmp(type, "bridge"))
                                devtype = &bridge_device_type;
-                       else if (!strcmp(type, "tunnel"))
-                               devtype = &tunnel_device_type;
                        else if (!strcmp(type, "macvlan"))
                                devtype = &macvlan_device_type;
+                       else if (!strcmp(type, "tunnel"))
+                               devtype = &tunnel_device_type;
                }
 
-               if (!devtype)
-                       devtype = &simple_device_type;
+               if (devtype)
+                       params = devtype->config_params;
+               if (!params)
+                       params = simple_device_type.config_params;
 
                blob_buf_init(&b, 0);
-               uci_to_blob(&b, s, devtype->config_params);
-               device_create(name, devtype, b.head);
+               uci_to_blob(&b, s, params);
+               if (devtype) {
+                       dev = device_create(name, devtype, b.head);
+                       if (!dev)
+                               continue;
+               } else {
+                       dev = device_get(name, 1);
+                       if (!dev)
+                               continue;
+
+                       dev->current_config = true;
+                       device_apply_config(dev, dev->type, b.head);
+               }
+               dev->default_config = false;
        }
 }
 
@@ -189,8 +215,11 @@ config_init_package(const char *config)
                ctx = uci_alloc_context();
                uci_ctx = ctx;
 
+               ctx->flags &= ~UCI_FLAG_STRICT;
+               if (config_path)
+                       uci_set_confdir(ctx, config_path);
+
 #ifdef DUMMY_MODE
-               uci_set_confdir(ctx, "./config");
                uci_set_savedir(ctx, "./tmp");
 #endif
        } else {
@@ -277,6 +306,96 @@ config_init_globals(void)
        const char *ula_prefix = uci_lookup_option_string(
                        uci_ctx, globals, "ula_prefix");
        interface_ip_set_ula_prefix(ula_prefix);
+
+       const char *default_ps = uci_lookup_option_string(
+                       uci_ctx, globals, "default_ps");
+
+       if (default_ps)
+               device_set_default_ps(strcmp(default_ps, "1") ? false : true);
+}
+
+static void
+config_parse_wireless_device(struct uci_section *s)
+{
+       struct wireless_driver *drv;
+       const char *driver_name;
+
+       driver_name = uci_lookup_option_string(uci_ctx, s, "type");
+       if (!driver_name)
+               return;
+
+       drv = avl_find_element(&wireless_drivers, driver_name, drv, node);
+       if (!drv)
+               return;
+
+       blob_buf_init(&b, 0);
+       uci_to_blob(&b, s, drv->device.config);
+       wireless_device_create(drv, s->e.name, b.head);
+}
+
+static void
+config_parse_wireless_interface(struct wireless_device *wdev, struct uci_section *s)
+{
+       char *name;
+
+       name = alloca(strlen(s->type) + 16);
+       sprintf(name, "@%s[%d]", s->type, config_section_idx(s));
+
+       blob_buf_init(&b, 0);
+       uci_to_blob(&b, s, wdev->drv->interface.config);
+       wireless_interface_create(wdev, b.head, s->anonymous ? name : s->e.name);
+}
+
+static void
+config_init_wireless(void)
+{
+       struct wireless_device *wdev;
+       struct uci_element *e;
+       const char *dev_name;
+
+       if (!uci_wireless) {
+               DPRINTF("No wireless configuration found\n");
+               return;
+       }
+
+       vlist_update(&wireless_devices);
+
+       uci_foreach_element(&uci_wireless->sections, e) {
+               struct uci_section *s = uci_to_section(e);
+               if (strcmp(s->type, "wifi-device") != 0)
+                       continue;
+
+               config_parse_wireless_device(s);
+       }
+
+       vlist_flush(&wireless_devices);
+
+       vlist_for_each_element(&wireless_devices, wdev, node) {
+               wdev->vif_idx = 0;
+               vlist_update(&wdev->interfaces);
+       }
+
+       uci_foreach_element(&uci_wireless->sections, e) {
+               struct uci_section *s = uci_to_section(e);
+
+               if (strcmp(s->type, "wifi-iface") != 0)
+                       continue;
+
+               dev_name = uci_lookup_option_string(uci_ctx, s, "device");
+               if (!dev_name)
+                       continue;
+
+               wdev = vlist_find(&wireless_devices, dev_name, wdev, node);
+               if (!wdev) {
+                       DPRINTF("device %s not found!\n", dev_name);
+                       continue;
+               }
+
+               config_parse_wireless_interface(wdev, s);
+       }
+
+       vlist_for_each_element(&wireless_devices, wdev, node)
+               vlist_flush(&wdev->interfaces);
 }
 
 void
@@ -288,6 +407,8 @@ config_init_all(void)
                return;
        }
 
+       uci_wireless = config_init_package("wireless");
+
        vlist_update(&interfaces);
        config_init = true;
        device_lock();
@@ -298,6 +419,7 @@ config_init_all(void)
        config_init_routes();
        config_init_rules();
        config_init_globals();
+       config_init_wireless();
 
        config_init = false;
        device_unlock();
@@ -308,4 +430,5 @@ config_init_all(void)
        device_free_unused(NULL);
        interface_refresh_assignments(false);
        interface_start_pending();
+       wireless_start_pending();
 }