test/errtest.c

   1 /*
   2  * Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <string.h>
  11 #include <openssl/opensslconf.h>
  12 #include <openssl/err.h>
  13
  14 #include "testutil.h"
  15
  16 #if defined(OPENSSL_SYS_WINDOWS)
  17 # include <windows.h>
  18 #else
  19 # include <errno.h>
  20 #endif
  21
  22 #ifndef OPENSSL_NO_DEPRECATED_3_0
  23 # define IS_HEX(ch) ((ch >= '0' && ch <='9') || (ch >= 'A' && ch <='F'))
  24
  25 static int test_print_error_format(void)
  26 {
  27     static const char expected[] =
  28         ":error::system library:test_print_error_format:Operation not permitted:"
  29 # ifndef OPENSSL_NO_FILENAMES
  30         "errtest.c:30:";
  31 # else
  32         ":0:";
  33 # endif
  34     char *out = NULL, *p = NULL;
  35     int ret = 0, len;
  36     BIO *bio = NULL;
  37
  38     if (!TEST_ptr(bio = BIO_new(BIO_s_mem())))
  39         return 0;
  40
  41     ERR_PUT_error(ERR_LIB_SYS, 0, 1, "errtest.c", 30);
  42     ERR_print_errors(bio);
  43
  44     if (!TEST_int_gt(len = BIO_get_mem_data(bio, &out), 0))
  45         goto err;
  46     /* Skip over the variable thread id at the start of the string */
  47     for (p = out; *p != ':' && *p != 0; ++p) {
  48         if (!TEST_true(IS_HEX(*p)))
  49             goto err;
  50     }
  51     if (!TEST_true(*p != 0)
  52         || !TEST_strn_eq(expected, p, strlen(expected)))
  53         goto err;
  54
  55     ret = 1;
  56 err:
  57     BIO_free(bio);
  58     return ret;
  59 }
  60 #endif
  61
  62 /* Test that querying the error queue preserves the OS error. */
  63 static int preserves_system_error(void)
  64 {
  65 #if defined(OPENSSL_SYS_WINDOWS)
  66     SetLastError(ERROR_INVALID_FUNCTION);
  67     ERR_get_error();
  68     return TEST_int_eq(GetLastError(), ERROR_INVALID_FUNCTION);
  69 #else
  70     errno = EINVAL;
  71     ERR_get_error();
  72     return TEST_int_eq(errno, EINVAL);
  73 #endif
  74 }
  75
  76 /* Test that calls to ERR_add_error_[v]data append */
  77 static int vdata_appends(void)
  78 {
  79     const char *data;
  80
  81     CRYPTOerr(0, ERR_R_MALLOC_FAILURE);
  82     ERR_add_error_data(1, "hello ");
  83     ERR_add_error_data(1, "world");
  84     ERR_peek_error_data(&data, NULL);
  85     return TEST_str_eq(data, "hello world");
  86 }
  87
  88 static int raised_error(void)
  89 {
  90     const char *f, *data;
  91     int l;
  92     unsigned long e;
  93
  94     /*
  95      * When OPENSSL_NO_ERR or OPENSSL_NO_FILENAMES, no file name or line
  96      * number is saved, so no point checking them.
  97      */
  98 #if !defined(OPENSSL_NO_FILENAMES) && !defined(OPENSSL_NO_ERR)
  99     const char *file;
 100     int line;
 101
 102     file = __FILE__;
 103     line = __LINE__ + 2; /* The error is generated on the ERR_raise_data line */
 104 #endif
 105     ERR_raise_data(ERR_LIB_SYS, ERR_R_INTERNAL_ERROR,
 106                    "calling exit()");
 107     if (!TEST_ulong_ne(e = ERR_get_error_all(&f, &l, NULL, &data, NULL), 0)
 108             || !TEST_int_eq(ERR_GET_REASON(e), ERR_R_INTERNAL_ERROR)
 109 #if !defined(OPENSSL_NO_FILENAMES) && !defined(OPENSSL_NO_ERR)
 110             || !TEST_int_eq(l, line)
 111             || !TEST_str_eq(f, file)
 112 #endif
 113             || !TEST_str_eq(data, "calling exit()"))
 114         return 0;
 115     return 1;
 116 }
 117
 118 int setup_tests(void)
 119 {
 120     ADD_TEST(preserves_system_error);
 121     ADD_TEST(vdata_appends);
 122     ADD_TEST(raised_error);
 123 #ifndef OPENSSL_NO_DEPRECATED_3_0
 124     ADD_TEST(test_print_error_format);
 125 #endif
 126     return 1;
 127 }