用libcurl获取ftp服务器目录列表

客官°小女子只卖身不卖艺 2022-05-20 02:54 250阅读 0赞

#include <stdio.h>
    
    
    #include <curl/curl.h>
    
    
    /* <DESC>
     * Similar to ftpget.c but also stores the received response-lines
     * in a separate file using our own callback!
     * </DESC>
     */
    static size_t
    write_response(void *ptr, size_t size, size_t nmemb, void *data)
    {
      FILE *writehere = (FILE *)data;
      return fwrite(ptr, size, nmemb, writehere);
    }
    
    
    #define FTPBODY "ftp-list"
    #define FTPHEADERS "ftp-responses"
    
    
    int main(void)
    {
      CURL *curl;
      CURLcode res;
      FILE *ftpfile;
      FILE *respfile;
    
    
      /* local file name to store the file as */
      ftpfile = fopen(FTPBODY, "wb"); /* b is binary, needed on win32 */
    
    
      /* local file name to store the FTP server's response lines in */
      respfile = fopen(FTPHEADERS, "wb"); /* b is binary, needed on win32 */
    
    
      curl = curl_easy_init();
      if(curl) {
    
    
    char *pstr =  curl_version();
    printf(pstr);
      printf("\n");
        /* Get a file listing from sunet */
        curl_easy_setopt(curl, CURLOPT_URL, "ftp://127.0.0.1/");
    /*user & pwd*/
    curl_easy_setopt(curl, CURLOPT_USERPWD, "hello:1");
    
    
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, ftpfile);
        /* If you intend to use this on windows with a libcurl DLL, you must use
           CURLOPT_WRITEFUNCTION as well */
        curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, write_response);
        curl_easy_setopt(curl, CURLOPT_HEADERDATA, respfile);
        res = curl_easy_perform(curl);
        /* 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);
      }
    
    
      fclose(ftpfile); /* close the local file */
      fclose(respfile); /* close the response file */
    
    
      return 0;
    }