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      1 /***************************************************************************
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      7  *
      8  * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel (at) haxx.se>, et al.
      9  *
     10  * This software is licensed as described in the file COPYING, which
     11  * you should have received as part of this distribution. The terms
     12  * are also available at https://curl.haxx.se/docs/copyright.html.
     13  *
     14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     15  * copies of the Software, and permit persons to whom the Software is
     16  * furnished to do so, under the terms of the COPYING file.
     17  *
     18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     19  * KIND, either express or implied.
     20  *
     21  ***************************************************************************/
     22 #include "test.h"
     23 
     24 #include "testutil.h"
     25 #include "warnless.h"
     26 #include "memdebug.h"
     27 
     28 #define TEST_HANG_TIMEOUT 60 * 1000
     29 
     30 /*
     31  * Source code in here hugely as reported in bug report 651464 by
     32  * Christopher R. Palmer.
     33  *
     34  * Use multi interface to get document over proxy with bad port number.
     35  * This caused the interface to "hang" in libcurl 7.10.2.
     36  */
     37 int test(char *URL)
     38 {
     39   CURL *c = NULL;
     40   int res = 0;
     41   CURLM *m = NULL;
     42   fd_set rd, wr, exc;
     43   int running;
     44 
     45   start_test_timing();
     46 
     47   global_init(CURL_GLOBAL_ALL);
     48 
     49   easy_init(c);
     50 
     51   /* The point here is that there must not be anything running on the given
     52      proxy port */
     53   if(libtest_arg2)
     54     easy_setopt(c, CURLOPT_PROXY, libtest_arg2);
     55   easy_setopt(c, CURLOPT_URL, URL);
     56   easy_setopt(c, CURLOPT_VERBOSE, 1L);
     57 
     58   multi_init(m);
     59 
     60   multi_add_handle(m, c);
     61 
     62   for(;;) {
     63     struct timeval interval;
     64     int maxfd = -99;
     65 
     66     interval.tv_sec = 1;
     67     interval.tv_usec = 0;
     68 
     69     fprintf(stderr, "curl_multi_perform()\n");
     70 
     71     multi_perform(m, &running);
     72 
     73     abort_on_test_timeout();
     74 
     75     if(!running) {
     76       /* This is where this code is expected to reach */
     77       int numleft;
     78       CURLMsg *msg = curl_multi_info_read(m, &numleft);
     79       fprintf(stderr, "Expected: not running\n");
     80       if(msg && !numleft)
     81         res = TEST_ERR_SUCCESS; /* this is where we should be */
     82       else
     83         res = TEST_ERR_FAILURE; /* not correct */
     84       break; /* done */
     85     }
     86     fprintf(stderr, "running == %d\n", running);
     87 
     88     FD_ZERO(&rd);
     89     FD_ZERO(&wr);
     90     FD_ZERO(&exc);
     91 
     92     fprintf(stderr, "curl_multi_fdset()\n");
     93 
     94     multi_fdset(m, &rd, &wr, &exc, &maxfd);
     95 
     96     /* At this point, maxfd is guaranteed to be greater or equal than -1. */
     97 
     98     select_test(maxfd + 1, &rd, &wr, &exc, &interval);
     99 
    100     abort_on_test_timeout();
    101   }
    102 
    103 test_cleanup:
    104 
    105   /* proper cleanup sequence - type PA */
    106 
    107   curl_multi_remove_handle(m, c);
    108   curl_multi_cleanup(m);
    109   curl_easy_cleanup(c);
    110   curl_global_cleanup();
    111 
    112   return res;
    113 }
    114 
    115