desc "C library that generates TOTP and HOTP"

homepage "https://github.com/paolostivanin/libcotp"

url "https://github.com/paolostivanin/libcotp/archive/refs/tags/v3.1.0.tar.gz"

sha256 "a48bbfd95b7ec12d23e4e2c4a017f8acddecc14bf10541ff144563cee044b39c"

license "Apache-2.0"

head "https://github.com/paolostivanin/libcotp.git", branch: "master"

bottle do

sha256 cellar: :any, arm64_sequoia: "a55767669aadfbc33ca5047a9bf5a1371ebaf4ccb3c9e3e14a3296516f0702e9"

sha256 cellar: :any, arm64_sonoma: "3c1f7d889c8212c2a7e8763c9bc712ce98ce0e8cd2520a27e6ed13468bdfa922"

sha256 cellar: :any, arm64_ventura: "626c19565338f9e6ebf991ffdb7c7acb0beea6fb5ce65317ea12a08cdaea63d8"

sha256 cellar: :any, sonoma: "6a56e1465c12f7f4a88da73e4feb96255e03b2739a4a9e2d7fe176c9a9290960"

sha256 cellar: :any, ventura: "540f3a6ecfea711699139ec94e16bf0e194094a0508e7e111777632c637388b9"

sha256 cellar: :any_skip_relocation, arm64_linux: "b7b568b96cf41f1440fb120c229765e4d092f1425a286fe067b907a367a7f9c0"

sha256 cellar: :any_skip_relocation, x86_64_linux: "bc3ff644b09e647890b68df9d726edcc2a8d18e293cc4773d921141147a6ffc4"

end

depends_on "cmake" => :build

depends_on "pkgconf" => :build

depends_on "libgcrypt"

def install

system "cmake", "-S", ".", "-B", "build", *std_cmake_args

system "cmake", "--build", "build"

system "cmake", "--install", "build"

end

test do

(testpath/"test.c").write <<~C

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <cotp.h>

int main() {

const char *K = "12345678901234567890";

const int64_t counter[] = {59, 1111111109, 1111111111, 1234567890, 2000000000, 20000000000};

cotp_error_t cotp_err;

char *K_base32 = base32_encode((const uchar *)K, strlen(K)+1, &cotp_err);

cotp_error_t err;

for (int i = 0; i < 6; i++) {

printf("%s\\n", get_totp_at(K_base32, counter[i], 8, 30, SHA1, &err));

}

free(K_base32);

return 0;

}

C

system ENV.cc, "test.c", "-I#{include}", "-L#{lib}", "-lcotp", "-o", "test"

expected_output = %w[94287082 07081804 14050471 89005924 69279037 65353130]

assert_equal expected_output, shell_output("./test").split("\n")

end