First push

PKGBUILD

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+pkgname=ip-lookup
+pkgver=1.1
+pkgrel=1
+pkgdesc="A simple IP lookup tool that shows city, ASN, and other information. Deadzone.lol Motherfucker."
+arch=('x86_64')
+url="https://deadzone.lol"
+license=('GPL')
+depends=('curl' 'cjson')
+source=("main.c")
+sha256sums=('SKIP')
+
+build() {
+  gcc -o "$pkgname" "$srcdir/main.c" -lcurl -lcjson
+}
+
+package() {
+  install -Dm755 "$srcdir/$pkgname" "$pkgdir/usr/bin/$pkgname"
+}

build.sh

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+gcc -o ip-lookup main.c -lcurl -lcjson

main.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <curl/curl.h>
+#include <cjson/cJSON.h>
+
+static size_t write_callback(void *contents, size_t size, size_t nmemb, void *userp) {
+    size_t realsize = size * nmemb;
+    ((char *)userp)[realsize] = 0;
+    strcat(userp, contents);
+    return realsize;
+}
+
+int main(int argc, char *argv[]) {
+    if (argc != 2) {
+        printf("Usage: %s <IP_ADDRESS>\n", argv[0]);
+        return 1;
+    }
+
+    char url[256] = "http://ip-api.com/json/";
+    strcat(url, argv[1]);
+
+    CURL *curl;
+    CURLcode res;
+    char buffer[2048] = {0};
+
+    curl_global_init(CURL_GLOBAL_DEFAULT);
+    curl = curl_easy_init();
+
+    if (!curl) {
+        fprintf(stderr, "Error: Failed to initialize libcurl.\n");
+        return 1;
+    }
+
+    curl_easy_setopt(curl, CURLOPT_URL, url);
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, buffer);
+
+    res = curl_easy_perform(curl);
+
+    if (res != CURLE_OK) {
+        fprintf(stderr, "Error: Failed to fetch data from ip-api.com: %s\n", curl_easy_strerror(res));
+        curl_easy_cleanup(curl);
+        return 1;
+    }
+
+    curl_easy_cleanup(curl);
+    curl_global_cleanup();
+
+    cJSON *json = cJSON_Parse(buffer);
+    if (!json) {
+        fprintf(stderr, "Error: Failed to parse JSON data.\n");
+        return 1;
+    }
+
+    cJSON *status = cJSON_GetObjectItem(json, "status");
+    if (status && cJSON_IsString(status) && strcmp(status->valuestring, "fail") == 0) {
+        fprintf(stderr, "Error: Failed to fetch data for IP address %s\n", argv[1]);
+        cJSON_Delete(json);
+        return 1;
+    }
+
+    cJSON *city = cJSON_GetObjectItem(json, "city");
+    cJSON *regionName = cJSON_GetObjectItem(json, "regionName");
+    cJSON *country = cJSON_GetObjectItem(json, "country");
+    cJSON *timezone = cJSON_GetObjectItem(json, "timezone");
+    cJSON *zip = cJSON_GetObjectItem(json, "zip");
+    cJSON *isp = cJSON_GetObjectItem(json, "isp");
+    cJSON *org = cJSON_GetObjectItem(json, "org");
+    cJSON *as = cJSON_GetObjectItem(json, "as");
+    cJSON *hostname = cJSON_GetObjectItem(json, "hostName");
+
+
+    printf("Hostname: %s\n", hostname ? hostname->valuestring : "Unknown");
+    printf("City: %s\n", city ? city->valuestring : "Unknown");
+    printf("Region: %s\n", regionName ? regionName->valuestring : "Unknown");
+    printf("Country: %s\n", country ? country->valuestring : "Unknown");
+    printf("Time Zone: %s\n", timezone ? timezone->valuestring : "Unknown");
+    printf("ZIP: %s\n", zip ? zip->valuestring : "Unknown");
+    printf("ISP: %s\n", isp ? isp->valuestring : "Unknown");
+    printf("Organization: %s\n", org ? org->valuestring : "Unknown");
+    printf("AS: %s\n", as ? as->valuestring : "Unknown");
+
+    cJSON_Delete(json);
+    return 0;
+}

src/main.c

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+/home/sweat/gitprojects/ip-lookup/main.c