Add luci2 namespace to offer various backend methods required by the ui
[project/rpcd.git] / iwinfo.c
index 7a2a2ce..42560b6 100644 (file)
--- a/iwinfo.c
+++ b/iwinfo.c
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <fcntl.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
+#include <sys/types.h>
 #include <dirent.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
 
 #include "iwinfo.h"
 
@@ -60,6 +53,14 @@ rpc_iwinfo_open(struct blob_attr *msg)
 }
 
 static void
+rpc_iwinfo_close(void)
+{
+       iw = NULL;
+       ifname = NULL;
+       iwinfo_finish();
+}
+
+static void
 rpc_iwinfo_call_int(const char *name, int (*func)(const char *, int *),
                     const char **map)
 {
@@ -94,96 +95,101 @@ rpc_iwinfo_call_hardware_id(const char *name)
 }
 
 static void
-rpc_iwinfo_call_encryption(const char *name)
+rpc_iwinfo_add_encryption(const char *name, struct iwinfo_crypto_entry *e)
 {
-       struct iwinfo_crypto_entry crypto = { 0 };
-       void *c, *d;
        int ciph;
+       void *c, *d;
 
-       if (!iw->encryption(ifname, (char *)&crypto))
-       {
-               c = blobmsg_open_table(&buf, name);
+       c = blobmsg_open_table(&buf, name);
 
-               blobmsg_add_u8(&buf, "enabled", crypto.enabled);
+       blobmsg_add_u8(&buf, "enabled", e->enabled);
 
-               if (crypto.enabled)
+       if (e->enabled)
+       {
+               if (!e->wpa_version)
                {
-                       if (!crypto.wpa_version)
-                       {
-                               d = blobmsg_open_array(&buf, "wep");
+                       d = blobmsg_open_array(&buf, "wep");
 
-                               if (crypto.auth_algs & IWINFO_AUTH_OPEN)
-                                       blobmsg_add_string(&buf, NULL, "open");
+                       if (e->auth_algs & IWINFO_AUTH_OPEN)
+                               blobmsg_add_string(&buf, NULL, "open");
 
-                               if (crypto.auth_algs & IWINFO_AUTH_SHARED)
-                                       blobmsg_add_string(&buf, NULL, "shared");
+                       if (e->auth_algs & IWINFO_AUTH_SHARED)
+                               blobmsg_add_string(&buf, NULL, "shared");
 
-                               blobmsg_close_array(&buf, d);
+                       blobmsg_close_array(&buf, d);
+               }
+               else
+               {
+                       d = blobmsg_open_array(&buf, "wpa");
+
+                       if (e->wpa_version > 2)
+                       {
+                               blobmsg_add_u32(&buf, NULL, 1);
+                               blobmsg_add_u32(&buf, NULL, 2);
                        }
                        else
                        {
-                               d = blobmsg_open_array(&buf, "wpa");
+                               blobmsg_add_u32(&buf, NULL, e->wpa_version);
+                       }
 
-                               if (crypto.wpa_version > 2)
-                               {
-                                       blobmsg_add_u32(&buf, NULL, 1);
-                                       blobmsg_add_u32(&buf, NULL, 2);
-                               }
-                               else
-                               {
-                                       blobmsg_add_u32(&buf, NULL, crypto.wpa_version);
-                               }
+                       blobmsg_close_array(&buf, d);
 
-                               blobmsg_close_array(&buf, d);
 
+                       d = blobmsg_open_array(&buf, "authentication");
 
-                               d = blobmsg_open_array(&buf, "authentication");
+                       if (e->auth_suites & IWINFO_KMGMT_PSK)
+                               blobmsg_add_string(&buf, NULL, "psk");
 
-                               if (crypto.auth_suites & IWINFO_KMGMT_PSK)
-                                       blobmsg_add_string(&buf, NULL, "psk");
+                       if (e->auth_suites & IWINFO_KMGMT_8021x)
+                               blobmsg_add_string(&buf, NULL, "802.1x");
 
-                               if (crypto.auth_suites & IWINFO_KMGMT_8021x)
-                                       blobmsg_add_string(&buf, NULL, "802.1x");
+                       if (!e->auth_suites ||
+                               (e->auth_suites & IWINFO_KMGMT_NONE))
+                               blobmsg_add_string(&buf, NULL, "none");
 
-                               if (!crypto.auth_suites ||
-                                   (crypto.auth_suites & IWINFO_KMGMT_NONE))
-                                       blobmsg_add_string(&buf, NULL, "none");
+                       blobmsg_close_array(&buf, d);
+               }
 
-                               blobmsg_close_array(&buf, d);
-                       }
+               d = blobmsg_open_array(&buf, "ciphers");
+               ciph = e->pair_ciphers | e->group_ciphers;
 
-                       d = blobmsg_open_array(&buf, "ciphers");
-                       ciph = crypto.pair_ciphers | crypto.group_ciphers;
+               if (ciph & IWINFO_CIPHER_WEP40)
+                       blobmsg_add_string(&buf, NULL, "wep-40");
 
-                       if (ciph & IWINFO_CIPHER_WEP40)
-                               blobmsg_add_string(&buf, NULL, "wep-40");
+               if (ciph & IWINFO_CIPHER_WEP104)
+                       blobmsg_add_string(&buf, NULL, "wep-104");
 
-                       if (ciph & IWINFO_CIPHER_WEP104)
-                               blobmsg_add_string(&buf, NULL, "wep-104");
+               if (ciph & IWINFO_CIPHER_TKIP)
+                       blobmsg_add_string(&buf, NULL, "tkip");
 
-                       if (ciph & IWINFO_CIPHER_TKIP)
-                               blobmsg_add_string(&buf, NULL, "tkip");
+               if (ciph & IWINFO_CIPHER_CCMP)
+                       blobmsg_add_string(&buf, NULL, "ccmp");
 
-                       if (ciph & IWINFO_CIPHER_CCMP)
-                               blobmsg_add_string(&buf, NULL, "ccmp");
+               if (ciph & IWINFO_CIPHER_WRAP)
+                       blobmsg_add_string(&buf, NULL, "wrap");
 
-                       if (ciph & IWINFO_CIPHER_WRAP)
-                               blobmsg_add_string(&buf, NULL, "wrap");
+               if (ciph & IWINFO_CIPHER_AESOCB)
+                       blobmsg_add_string(&buf, NULL, "aes-ocb");
 
-                       if (ciph & IWINFO_CIPHER_AESOCB)
-                               blobmsg_add_string(&buf, NULL, "aes-ocb");
+               if (ciph & IWINFO_CIPHER_CKIP)
+                       blobmsg_add_string(&buf, NULL, "ckip");
 
-                       if (ciph & IWINFO_CIPHER_CKIP)
-                               blobmsg_add_string(&buf, NULL, "ckip");
+               if (!ciph || (ciph & IWINFO_CIPHER_NONE))
+                       blobmsg_add_string(&buf, NULL, "none");
 
-                       if (!ciph || (ciph & IWINFO_CIPHER_NONE))
-                               blobmsg_add_string(&buf, NULL, "none");
+               blobmsg_close_array(&buf, d);
+       }
 
-                       blobmsg_close_array(&buf, d);
-               }
+       blobmsg_close_table(&buf, c);
+}
 
-               blobmsg_close_table(&buf, c);
-       }
+static void
+rpc_iwinfo_call_encryption(const char *name)
+{
+       struct iwinfo_crypto_entry crypto = { 0 };
+
+       if (!iw->encryption(ifname, (char *)&crypto))
+               rpc_iwinfo_add_encryption(name, &crypto);
 }
 
 static void
@@ -196,16 +202,16 @@ rpc_iwinfo_call_hwmodes(const char *name)
        {
                c = blobmsg_open_array(&buf, name);
 
-               if (modes & IWINFO_80211_A);
+               if (modes & IWINFO_80211_A)
                        blobmsg_add_string(&buf, NULL, "a");
 
-               if (modes & IWINFO_80211_B);
+               if (modes & IWINFO_80211_B)
                        blobmsg_add_string(&buf, NULL, "b");
 
-               if (modes & IWINFO_80211_G);
+               if (modes & IWINFO_80211_G)
                        blobmsg_add_string(&buf, NULL, "g");
 
-               if (modes & IWINFO_80211_N);
+               if (modes & IWINFO_80211_N)
                        blobmsg_add_string(&buf, NULL, "n");
 
                blobmsg_close_array(&buf, c);
@@ -267,7 +273,348 @@ rpc_iwinfo_info(struct ubus_context *ctx, struct ubus_object *obj,
 
        ubus_send_reply(ctx, req, buf.head);
 
-       iw->close();
+       rpc_iwinfo_close();
+
+       return UBUS_STATUS_OK;
+}
+
+static int
+rpc_iwinfo_scan(struct ubus_context *ctx, struct ubus_object *obj,
+                struct ubus_request_data *req, const char *method,
+                struct blob_attr *msg)
+{
+       int i, rv, len;
+       void *c, *d;
+       char mac[18];
+       char res[IWINFO_BUFSIZE];
+       struct iwinfo_scanlist_entry *e;
+
+       rv = rpc_iwinfo_open(msg);
+
+       if (rv)
+               return rv;
+
+       blob_buf_init(&buf, 0);
+
+       c = blobmsg_open_array(&buf, "results");
+
+       if (!iw->scanlist(ifname, res, &len) && (len > 0))
+       {
+               for (i = 0; i < len; i += sizeof(struct iwinfo_scanlist_entry))
+               {
+                       e = (struct iwinfo_scanlist_entry *)&res[i];
+                       d = blobmsg_open_table(&buf, NULL);
+
+                       if (e->ssid[0])
+                               blobmsg_add_string(&buf, "ssid", (const char *)e->ssid);
+
+                       snprintf(mac, sizeof(mac), "%02X:%02X:%02X:%02X:%02X:%02X",
+                                        e->mac[0], e->mac[1], e->mac[2],
+                                        e->mac[3], e->mac[4], e->mac[5]);
+
+                       blobmsg_add_string(&buf, "bssid", mac);
+
+                       blobmsg_add_string(&buf, "mode", IWINFO_OPMODE_NAMES[e->mode]);
+
+                       blobmsg_add_u32(&buf, "channel", e->channel);
+                       blobmsg_add_u32(&buf, "signal", (uint32_t)(e->signal - 0x100));
+
+                       blobmsg_add_u32(&buf, "quality", e->quality);
+                       blobmsg_add_u32(&buf, "quality_max", e->quality_max);
+
+                       rpc_iwinfo_add_encryption("encryption", &e->crypto);
+
+                       blobmsg_close_table(&buf, d);
+               }
+       }
+
+       blobmsg_close_array(&buf, c);
+
+       ubus_send_reply(ctx, req, buf.head);
+
+       rpc_iwinfo_close();
+
+       return UBUS_STATUS_OK;
+}
+
+static int
+rpc_iwinfo_assoclist(struct ubus_context *ctx, struct ubus_object *obj,
+                     struct ubus_request_data *req, const char *method,
+                     struct blob_attr *msg)
+{
+       int i, rv, len;
+       char mac[18];
+       char res[IWINFO_BUFSIZE];
+       struct iwinfo_assoclist_entry *a;
+       void *c, *d, *e;
+
+       rv = rpc_iwinfo_open(msg);
+
+       if (rv)
+               return rv;
+
+       blob_buf_init(&buf, 0);
+
+       c = blobmsg_open_array(&buf, "results");
+
+       if (!iw->assoclist(ifname, res, &len) && (len > 0))
+       {
+               for (i = 0; i < len; i += sizeof(struct iwinfo_assoclist_entry))
+               {
+                       a = (struct iwinfo_assoclist_entry *)&res[i];
+                       d = blobmsg_open_table(&buf, NULL);
+
+                       snprintf(mac, sizeof(mac), "%02X:%02X:%02X:%02X:%02X:%02X",
+                                        a->mac[0], a->mac[1], a->mac[2],
+                                        a->mac[3], a->mac[4], a->mac[5]);
+
+                       blobmsg_add_string(&buf, "mac", mac);
+                       blobmsg_add_u32(&buf, "signal", a->signal);
+                       blobmsg_add_u32(&buf, "noise", a->noise);
+                       blobmsg_add_u32(&buf, "inactive", a->inactive);
+
+                       e = blobmsg_open_table(&buf, "rx");
+                       blobmsg_add_u32(&buf, "rate", a->rx_rate.rate);
+                       blobmsg_add_u32(&buf, "mcs",  a->rx_rate.mcs);
+                       blobmsg_add_u8(&buf, "40mhz", a->rx_rate.is_40mhz);
+                       blobmsg_add_u8(&buf, "short_gi", a->rx_rate.is_short_gi);
+                       blobmsg_close_table(&buf, e);
+
+                       e = blobmsg_open_table(&buf, "tx");
+                       blobmsg_add_u32(&buf, "rate", a->tx_rate.rate);
+                       blobmsg_add_u32(&buf, "mcs",  a->tx_rate.mcs);
+                       blobmsg_add_u8(&buf, "40mhz", a->tx_rate.is_40mhz);
+                       blobmsg_add_u8(&buf, "short_gi", a->tx_rate.is_short_gi);
+                       blobmsg_close_table(&buf, e);
+
+                       blobmsg_close_table(&buf, d);
+               }
+       }
+
+       blobmsg_close_array(&buf, c);
+
+       ubus_send_reply(ctx, req, buf.head);
+
+       rpc_iwinfo_close();
+
+       return UBUS_STATUS_OK;
+}
+
+static int
+rpc_iwinfo_freqlist(struct ubus_context *ctx, struct ubus_object *obj,
+                    struct ubus_request_data *req, const char *method,
+                    struct blob_attr *msg)
+{
+       int i, rv, len, ch;
+       char res[IWINFO_BUFSIZE];
+       struct iwinfo_freqlist_entry *f;
+       void *c, *d;
+
+       rv = rpc_iwinfo_open(msg);
+
+       if (rv)
+               return rv;
+
+       blob_buf_init(&buf, 0);
+
+       c = blobmsg_open_array(&buf, "results");
+
+       if (!iw->freqlist(ifname, res, &len) && (len > 0))
+       {
+               if (iw->channel(ifname, &ch))
+                       ch = -1;
+
+               for (i = 0; i < len; i += sizeof(struct iwinfo_freqlist_entry))
+               {
+                       f = (struct iwinfo_freqlist_entry *)&res[i];
+                       d = blobmsg_open_table(&buf, NULL);
+
+                       blobmsg_add_u32(&buf, "channel", f->channel);
+                       blobmsg_add_u32(&buf, "mhz", f->mhz);
+                       blobmsg_add_u8(&buf, "restricted", f->restricted);
+
+                       if (ch > -1)
+                               blobmsg_add_u8(&buf, "active", f->channel == ch);
+
+                       blobmsg_close_table(&buf, d);
+               }
+       }
+
+       blobmsg_close_array(&buf, c);
+
+       ubus_send_reply(ctx, req, buf.head);
+
+       rpc_iwinfo_close();
+
+       return UBUS_STATUS_OK;
+}
+
+static int
+rpc_iwinfo_txpowerlist(struct ubus_context *ctx, struct ubus_object *obj,
+                       struct ubus_request_data *req, const char *method,
+                       struct blob_attr *msg)
+{
+       int i, rv, len, pwr, off;
+       char res[IWINFO_BUFSIZE];
+       struct iwinfo_txpwrlist_entry *t;
+       void *c, *d;
+
+       rv = rpc_iwinfo_open(msg);
+
+       if (rv)
+               return rv;
+
+       blob_buf_init(&buf, 0);
+
+       c = blobmsg_open_array(&buf, "results");
+
+       if (!iw->txpwrlist(ifname, res, &len) && (len > 0))
+       {
+               if (iw->txpower(ifname, &pwr))
+                       pwr = -1;
+
+               if (iw->txpower_offset(ifname, &off))
+                       off = 0;
+
+               for (i = 0; i < len; i += sizeof(struct iwinfo_txpwrlist_entry))
+               {
+                       t = (struct iwinfo_txpwrlist_entry *)&res[i];
+                       d = blobmsg_open_table(&buf, NULL);
+
+                       blobmsg_add_u32(&buf, "dbm", t->dbm + off);
+                       blobmsg_add_u32(&buf, "mw", iwinfo_dbm2mw(t->dbm + off));
+
+                       if (pwr > -1)
+                               blobmsg_add_u8(&buf, "active", t->dbm == pwr);
+
+                       blobmsg_close_table(&buf, d);
+               }
+       }
+
+       blobmsg_close_array(&buf, c);
+
+       ubus_send_reply(ctx, req, buf.head);
+
+       rpc_iwinfo_close();
+
+       return UBUS_STATUS_OK;
+}
+
+static const char *
+rpc_iwinfo_lookup_country(char *buf, int len, int iso3166)
+{
+       int i;
+       static char ccode[5];
+       struct iwinfo_country_entry *c;
+
+       for (i = 0; i < len; i += sizeof(struct iwinfo_country_entry))
+       {
+               c = (struct iwinfo_country_entry *)&buf[i];
+
+               if (c->iso3166 == iso3166)
+               {
+                       snprintf(ccode, sizeof(ccode), "%s", c->ccode);
+                       return ccode;
+               }
+       }
+
+       return NULL;
+}
+
+static int
+rpc_iwinfo_countrylist(struct ubus_context *ctx, struct ubus_object *obj,
+                       struct ubus_request_data *req, const char *method,
+                       struct blob_attr *msg)
+{
+       int rv, len;
+       char cur[3];
+       char iso3166[3];
+       char res[IWINFO_BUFSIZE];
+       const char *ccode;
+       const struct iwinfo_iso3166_label *l;
+       void *c, *d;
+
+       rv = rpc_iwinfo_open(msg);
+
+       if (rv)
+               return rv;
+
+       blob_buf_init(&buf, 0);
+
+       c = blobmsg_open_array(&buf, "results");
+
+       if (!iw->countrylist(ifname, res, &len) && (len > 0))
+       {
+               if (iw->country(ifname, cur))
+                       memset(cur, 0, sizeof(cur));
+
+               for (l = IWINFO_ISO3166_NAMES; l->iso3166; l++)
+               {
+                       ccode = rpc_iwinfo_lookup_country(res, len, l->iso3166);
+
+                       if (!ccode)
+                               continue;
+
+                       d = blobmsg_open_table(&buf, NULL);
+
+                       blobmsg_add_string(&buf, "code", ccode);
+                       blobmsg_add_string(&buf, "country", (const char *)l->name);
+
+                       snprintf(iso3166, sizeof(iso3166), "%c%c",
+                                (l->iso3166 / 256), (l->iso3166 % 256));
+
+                       blobmsg_add_string(&buf, "iso3166", iso3166);
+
+                       if (cur[0])
+                               blobmsg_add_u8(&buf, "active", !strncmp(ccode, cur, 2));
+
+                       blobmsg_close_table(&buf, d);
+               }
+       }
+
+       blobmsg_close_array(&buf, c);
+
+       ubus_send_reply(ctx, req, buf.head);
+
+       rpc_iwinfo_close();
+
+       return UBUS_STATUS_OK;
+}
+
+static int
+rpc_iwinfo_devices(struct ubus_context *ctx, struct ubus_object *obj,
+                   struct ubus_request_data *req, const char *method,
+                   struct blob_attr *msg)
+{
+       void *c;
+       struct dirent *e;
+       DIR *d;
+
+       d = opendir("/sys/class/net");
+
+       if (!d)
+               return UBUS_STATUS_UNKNOWN_ERROR;
+
+       blob_buf_init(&buf, 0);
+
+       c = blobmsg_open_array(&buf, "devices");
+
+       while ((e = readdir(d)) != NULL)
+       {
+               if (e->d_type != DT_LNK)
+                       continue;
+
+               if (iwinfo_type(e->d_name))
+                       blobmsg_add_string(&buf, NULL, e->d_name);
+       }
+
+       blobmsg_close_array(&buf, c);
+
+       closedir(d);
+
+       ubus_send_reply(ctx, req, buf.head);
+
+       rpc_iwinfo_close();
 
        return UBUS_STATUS_OK;
 }
@@ -276,7 +623,13 @@ rpc_iwinfo_info(struct ubus_context *ctx, struct ubus_object *obj,
 int rpc_iwinfo_api_init(struct ubus_context *ctx)
 {
        static const struct ubus_method iwinfo_methods[] = {
-               UBUS_METHOD("info",    rpc_iwinfo_info,  rpc_device_policy),
+               { .name = "devices", .handler = rpc_iwinfo_devices },
+               UBUS_METHOD("info",        rpc_iwinfo_info,        rpc_device_policy),
+               UBUS_METHOD("scan",        rpc_iwinfo_scan,        rpc_device_policy),
+               UBUS_METHOD("assoclist",   rpc_iwinfo_assoclist,   rpc_device_policy),
+               UBUS_METHOD("freqlist",    rpc_iwinfo_freqlist,    rpc_device_policy),
+               UBUS_METHOD("txpowerlist", rpc_iwinfo_txpowerlist, rpc_device_policy),
+               UBUS_METHOD("countrylist", rpc_iwinfo_countrylist, rpc_device_policy),
        };
 
        static struct ubus_object_type iwinfo_type =