Showing paste #kNu4:

#include <stdio.h>
#include <string.h>
#include <curl/curl.h>

/*
 ============================================================================
 function loadconfig()
 loads a config.cfg file that contains a api key and secret
 here is an example of config.cfg content:
 
 ; configuration file start
 Key: API_KEY
 Secret: SECRET
 ; configuration file end
 
 ============================================================================
 */

char * loadconfig()
{
	FILE *f = fopen("config.cfg", "r");
	fseek(f, 0, SEEK_END);
	long fsize = ftell(f);
	fseek(f, 0, SEEK_SET);  /* same as rewind(f); */

	char *string = malloc(fsize + 1);
	fread(string, fsize, 1, f);
	fclose(f);

	string[fsize] = 0;

	return string;
}

void parsetoken(char str[], char ** key, char ** secret)
{
	int iskey		= 0;
	int issecret	= 0;

	char * pch;
	pch = strtok (str,": \n");
	while (pch != NULL)
	{
		if(iskey == 1)
		{
			int length = strlen(pch);
			*key = (char*)malloc((length+1)*sizeof(char));
			sprintf(*key, "%s", pch);
			(*key)[length] = '\0';
			iskey = 0;
		}
		else if(issecret == 1)
		{
			int length = strlen(pch);
			*secret = (char*)malloc((length+1)*sizeof(char));
			sprintf(*secret, "%s", pch);
			(*secret)[length] = '\0';
			issecret = 0;
		}

		if(strcmp(pch, "Key") == 0)
		{
			iskey = 1;
		}
		else if(strcmp(pch, "Secret") == 0)
		{
			issecret = 1;
		}
		pch = strtok (NULL, ": \n");
	}
}

int main(int argc, char * argv[])
{
  CURL *curl;
  CURLcode res;


  char * config = loadconfig();
  char * key	= NULL;
  char * secret = NULL;

  parsetoken(config, &key, &secret);

  char authorization_template_string[] = "Authorization: sso-key %s:%s";
  int authorization_length = strlen(key)+strlen(secret)+strlen(authorization_template_string);
  char * authorization = (char*)malloc((authorization_length+1)*sizeof(char));

  sprintf(authorization, authorization_template_string, key, secret);
  authorization[authorization_length-1] = '\0';


  if(argc > 1)
  {
	  if(strcmp(argv[1], "setup") == 0 && argc == 4)
	  {
		  static const char * data_template_string = "[\
					{\
					\"name\": \"_acme-challenge\",\
					\"data\": \"%s\",\
					\"port\": 65535,\
					\"priority\": 0,\
					\"protocol\": \"\",\
					\"service\": \"\",\
					\"ttl\": 600,\
					\"type\": \"TXT\",\
					\"weight\": 0\
					}\
				]";

		  static const char * url_template_string = "https://api.godaddy.com/v1/domains/%s/records";

		  char data[1024];
		  char url[4096];

		  sprintf(data, data_template_string, argv[3]);
		  sprintf(url, url_template_string, argv[2]);

		  struct curl_slist * header = NULL;

		  header = curl_slist_append(header, authorization);
		  header = curl_slist_append(header, "Content-Type: application/json");

		  curl = curl_easy_init();
		  if(curl) {
			curl_easy_setopt(curl, CURLOPT_URL, url);
			curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);

		    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);

			/* if we do not provide POSTFIELDSIZE, libcurl will strlen() by
			   itself */
			curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, (long)strlen(data));


			curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PATCH");
			curl_easy_setopt(curl, CURLOPT_HTTPHEADER, header);

			/* Perform the request, res will get the return code */
			res = curl_easy_perform(curl);

			curl_slist_free_all(header); /* free the list again */
			/* Check for errors */
			if(res != CURLE_OK)
			  fprintf(stderr, "curl_easy_perform() failed: %s\n",
					  curl_easy_strerror(res));

			/* always cleanup */
			curl_easy_cleanup(curl);
		  }
	  }
	  else if(strcmp(argv[1], "teardown") == 0 && argc == 3)
	  {
		  static const char * url_template_string = "https://api.godaddy.com/v1/domains/%s/records/TXT/_acme-challenge";

		  char url[4096];

		  sprintf(url, url_template_string, argv[2]);


		  struct curl_slist * header = NULL;

		  header = curl_slist_append(header, authorization);

		  curl = curl_easy_init();
		  if(curl) {
			curl_easy_setopt(curl, CURLOPT_URL, url);


			curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "DELETE");
			curl_easy_setopt(curl, CURLOPT_HTTPHEADER, header);

		    curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);

			/* Perform the request, res will get the return code */
			res = curl_easy_perform(curl);

			curl_slist_free_all(header); /* free the list again */
			/* Check for errors */
			if(res != CURLE_OK)
			  fprintf(stderr, "curl_easy_perform() failed: %s\n",
					  curl_easy_strerror(res));

			/* always cleanup */
			curl_easy_cleanup(curl);
		  }
	  }
  }
  return 0;
}