Add the files

1 files changed, 69 insertions, 0 deletions

diff --git a/src/detection/wifi/wifi_android.c b/src/detection/wifi/wifi_android.c
new file mode 100644
index 0000000..c4537da
--- /dev/null
+++ b/src/detection/wifi/wifi_android.c
@@ -0,0 +1,69 @@
+#include "wifi.h"
+
+#include "common/processing.h"
+#include "common/properties.h"
+
+#define FF_TERMUX_API_PATH FASTFETCH_TARGET_DIR_ROOT "/libexec/termux-api"
+#define FF_TERMUX_API_PARAM "WifiConnectionInfo"
+
+static inline void wrapYyjsonFree(yyjson_doc** doc) {
+    assert(doc);
+    if (*doc) {
+        yyjson_doc_free(*doc);
+    }
+}
+
+const char* ffDetectWifi(FFlist* result) {
+    FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
+
+    if (ffProcessAppendStdOut(&buffer, (char* const[]) { FF_TERMUX_API_PATH, FF_TERMUX_API_PARAM, NULL })) {
+        return "Starting `" FF_TERMUX_API_PATH " " FF_TERMUX_API_PARAM "` failed";
+    }
+
+    yyjson_doc* FF_A_CLEANUP(wrapYyjsonFree) doc = yyjson_read_opts(buffer.chars, buffer.length, 0, NULL, NULL);
+    if (!doc) {
+        return "Failed to parse wifi connection info";
+    }
+
+    yyjson_val* root = yyjson_doc_get_root(doc);
+    if (!yyjson_is_obj(root)) {
+        return "Wifi info result is not a JSON object";
+    }
+
+    FFWifiResult* item = FF_LIST_ADD(FFWifiResult, *result);
+    ffStrbufInit(&item->inf.description);
+    ffStrbufInit(&item->inf.status);
+    ffStrbufInit(&item->conn.status);
+    ffStrbufInit(&item->conn.ssid);
+    ffStrbufInit(&item->conn.bssid);
+    ffStrbufInit(&item->conn.protocol);
+    ffStrbufInit(&item->conn.security);
+    item->conn.signalQuality = -DBL_MAX;
+    item->conn.rxRate = -DBL_MAX;
+    item->conn.txRate = -DBL_MAX;
+    item->conn.channel = 0;
+    item->conn.frequency = 0;
+
+    ffStrbufAppendJsonVal(&item->inf.status, yyjson_obj_get(root, "supplicant_state"));
+    if (!item->inf.status.length) {
+        ffStrbufAppendS(&item->inf.status, "Unknown");
+        return NULL;
+    }
+
+    if (!ffStrbufEqualS(&item->inf.status, "COMPLETED")) {
+        return NULL;
+    }
+
+    double rssi = yyjson_get_num(yyjson_obj_get(root, "rssi"));
+    item->conn.signalQuality = rssi >= -50 ? 100 : rssi <= -100 ? 0
+                                                                : (rssi + 100) * 2;
+
+    ffStrbufAppendJsonVal(&item->inf.description, yyjson_obj_get(root, "ip"));
+    ffStrbufAppendJsonVal(&item->conn.bssid, yyjson_obj_get(root, "bssid"));
+    ffStrbufAppendJsonVal(&item->conn.ssid, yyjson_obj_get(root, "ssid"));
+    item->conn.frequency = (uint16_t) yyjson_get_int(yyjson_obj_get(root, "frequency_mhz"));
+    item->conn.txRate = yyjson_get_num(yyjson_obj_get(root, "link_speed_mbps"));
+    item->conn.channel = ffWifiFreqToChannel(item->conn.frequency);
+
+    return NULL;
+}