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Annotation of embedaddon/curl/tests/unit/unit1652.c, revision 1.1.1.1

1.1       misho       1: /***************************************************************************
                      2:  *                                  _   _ ____  _
                      3:  *  Project                     ___| | | |  _ \| |
                      4:  *                             / __| | | | |_) | |
                      5:  *                            | (__| |_| |  _ <| |___
                      6:  *                             \___|\___/|_| \_\_____|
                      7:  *
                      8:  * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@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 "curlcheck.h"
                     23: 
                     24: #include "urldata.h"
                     25: #include "sendf.h"
                     26: 
                     27: /*
                     28:  * This test hardcodes the knowledge of the buffer size which is internal to
                     29:  * Curl_infof(). If that buffer is changed in size, this tests needs to be
                     30:  * updated to still be valid.
                     31:  */
                     32: 
                     33: static struct Curl_easy *data;
                     34: 
                     35: static char input[4096];
                     36: static char result[4096];
                     37: 
                     38: int debugf_cb(CURL *handle, curl_infotype type, char *buf, size_t size,
                     39:               void *userptr);
                     40: 
                     41: /*
                     42:  * This debugf callback is simply dumping the string into the static buffer
                     43:  * for the unit test to inspect. Since we know that we're only dealing with
                     44:  * text we can afford the luxury of skipping the type check here.
                     45:  */
                     46: int
                     47: debugf_cb(CURL *handle, curl_infotype type, char *buf, size_t size,
                     48:                 void *userptr)
                     49: {
                     50:   (void)handle;
                     51:   (void)type;
                     52:   (void)userptr;
                     53: 
                     54:   memset(result, '\0', sizeof(result));
                     55:   memcpy(result, buf, size);
                     56:   return 0;
                     57: }
                     58: 
                     59: static CURLcode
                     60: unit_setup(void)
                     61: {
                     62:   int res = 0;
                     63: 
                     64:   global_init(CURL_GLOBAL_ALL);
                     65:   data = curl_easy_init();
                     66:   if(!data)
                     67:     return CURLE_OUT_OF_MEMORY;
                     68:   curl_easy_setopt(data, CURLOPT_DEBUGFUNCTION, debugf_cb);
                     69:   curl_easy_setopt(data, CURLOPT_VERBOSE, 1L);
                     70:   return CURLE_OK;
                     71: }
                     72: 
                     73: static void
                     74: unit_stop(void)
                     75: {
                     76:   curl_easy_cleanup(data);
                     77:   curl_global_cleanup();
                     78: }
                     79: 
                     80: UNITTEST_START
                     81: 
                     82: /* Injecting a simple short string via a format */
                     83: msnprintf(input, sizeof(input), "Simple Test");
                     84: Curl_infof(data, "%s", input);
                     85: fail_unless(strcmp(result, input) == 0, "Simple string test");
                     86: 
                     87: /* Injecting a few different variables with a format */
                     88: Curl_infof(data, "%s %u testing %lu\n", input, 42, 43L);
                     89: fail_unless(strcmp(result, "Simple Test 42 testing 43\n") == 0,
                     90:             "Format string");
                     91: 
                     92: /* Variations of empty strings */
                     93: Curl_infof(data, "");
                     94: fail_unless(strlen(result) == 0, "Empty string");
                     95: Curl_infof(data, "%s", NULL);
                     96: fail_unless(strcmp(result, "(nil)") == 0, "Passing NULL as string");
                     97: 
                     98: /* A string just long enough to not be truncated */
                     99: memset(input, '\0', sizeof(input));
                    100: memset(input, 'A', 2048);
                    101: Curl_infof(data, "%s", input);
                    102: fail_unless(strlen(result) == 2048, "No truncation of infof input");
                    103: fail_unless(strcmp(result, input) == 0, "No truncation of infof input");
                    104: fail_unless(result[sizeof(result) - 1] == '\0',
                    105:             "No truncation of infof input");
                    106: 
                    107: /* Just over the limit for truncation without newline */
                    108: memset(input + 2047, 'A', 4);
                    109: Curl_infof(data, "%s", input);
                    110: fail_unless(strlen(result) == 2048, "Truncation of infof input 1");
                    111: fail_unless(result[sizeof(result) - 1] == '\0', "Truncation of infof input 1");
                    112: fail_unless(strncmp(result + 2045, "...", 3) == 0,
                    113:             "Truncation of infof input 1");
                    114: 
                    115: /* Just over the limit for truncation with newline */
                    116: memset(input + 2047, 'A', 4);
                    117: memset(input + 2047 + 4, '\n', 1);
                    118: Curl_infof(data, "%s\n", input);
                    119: fail_unless(strlen(result) == 2048, "Truncation of infof input 2");
                    120: fail_unless(result[sizeof(result) - 1] == '\0', "Truncation of infof input 2");
                    121: fail_unless(strncmp(result + 2044, "...", 3) == 0,
                    122:             "Truncation of infof input 2");
                    123: 
                    124: /* Way over the limit for truncation with newline */
                    125: memset(input, '\0', sizeof(input));
                    126: memset(input, 'A', sizeof(input) - 1);
                    127: Curl_infof(data, "%s\n", input);
                    128: fail_unless(strlen(result) == 2048, "Truncation of infof input 3");
                    129: fail_unless(result[sizeof(result) - 1] == '\0', "Truncation of infof input 3");
                    130: fail_unless(strncmp(result + 2044, "...", 3) == 0,
                    131:             "Truncation of infof input 3");
                    132: 
                    133: UNITTEST_STOP