Public IP module

src/common/init.c

@@ -171,6 +171,8 @@ static void defaultConfig(FFinstance* instance)
     ffStrbufInitA(&instance->config.localeKey, 0);
     ffStrbufInitA(&instance->config.localIpKey, 0);
     ffStrbufInitA(&instance->config.localIpFormat, 0);
+    ffStrbufInitA(&instance->config.publicIpKey, 0);
+    ffStrbufInitA(&instance->config.publicIpFormat, 0);
 
     ffStrbufInitA(&instance->config.libPCI, 0);
     ffStrbufInitA(&instance->config.libVulkan, 0);
@@ -193,6 +195,8 @@ static void defaultConfig(FFinstance* instance)
     instance->config.localIpShowIpV4 = true;
     instance->config.localIpShowIpV6 = false;
     instance->config.localIpShowLoop = false;
+
+    instance->config.publicIpTimeout = 250;
 }
 
 void ffInitInstance(FFinstance* instance)

src/common/networking.c

@@ -0,0 +1,69 @@
+#include "fastfetch.h"
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+void ffNetworkingGetHttp(const char* host, const char* path, uint32_t timeout, FFstrbuf* buffer)
+{
+    struct addrinfo hints = {0};
+    hints.ai_family = AF_INET;
+    hints.ai_socktype = SOCK_STREAM;
+    hints.ai_protocol = 0;
+
+    struct addrinfo* addr;
+
+    if(getaddrinfo(host, "80", &hints, &addr) != 0)
+        return;
+
+    int sock = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
+    if(sock == -1)
+    {
+        freeaddrinfo(addr);
+        return;
+    }
+
+    if(timeout > 0)
+    {
+        struct timeval timev;
+        timev.tv_sec = 0;
+        timev.tv_usec = timeout * 1000; //milliseconds to microseconds
+        setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &timev, sizeof(timev));
+    }
+
+    if(connect(sock, addr->ai_addr, addr->ai_addrlen) == -1)
+    {
+        close(sock);
+        freeaddrinfo(addr);
+        return;
+    }
+
+    freeaddrinfo(addr);
+
+    FFstrbuf command;
+    ffStrbufInitA(&command, 64);
+    ffStrbufAppendS(&command, "GET ");
+    ffStrbufAppendS(&command, path);
+    ffStrbufAppendS(&command, " HTTP/1.1\nHost: ");
+    ffStrbufAppendS(&command, host);
+    ffStrbufAppendS(&command, "\r\n\r\n");
+
+    if(send(sock, command.chars, command.length, 0) == -1)
+    {
+        ffStrbufDestroy(&command);
+        close(sock);
+        return;
+    }
+
+    ssize_t received = recv(sock, buffer->chars + buffer->length, ffStrbufGetFree(buffer), 0);
+
+    if(received > 0)
+    {
+        buffer->length += (uint32_t) received;
+        buffer->chars[buffer->length] = '\0';
+    }
+
+    ffStrbufDestroy(&command);
+    close(sock);
+}