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 #include <openssl/macros.h>
  14
  15 #include "testutil.h"
  16
  17 #if defined(OPENSSL_SYS_WINDOWS)
  18 # include <windows.h>
  19 #else
  20 # include <errno.h>
  21 #endif
  22
  23 #ifndef OPENSSL_NO_DEPRECATED_3_0
  24 # define IS_HEX(ch) ((ch >= '0' && ch <='9') || (ch >= 'A' && ch <='F'))
  25
  26 static int test_print_error_format(void)
  27 {
  28     static const char expected_format[] =
  29         ":error::system library:%s:Operation not permitted:"
  30 # ifndef OPENSSL_NO_FILENAMES
  31         "errtest.c:30:";
  32 # else
  33         ":0:";
  34 # endif
  35     char expected[256];
  36     char *out = NULL, *p = NULL;
  37     int ret = 0, len;
  38     BIO *bio = NULL;
  39
  40     BIO_snprintf(expected, sizeof(expected), expected_format, OPENSSL_FUNC);
  41
  42     if (!TEST_ptr(bio = BIO_new(BIO_s_mem())))
  43         return 0;
  44
  45     ERR_PUT_error(ERR_LIB_SYS, 0, 1, "errtest.c", 30);
  46     ERR_print_errors(bio);
  47
  48     if (!TEST_int_gt(len = BIO_get_mem_data(bio, &out), 0))
  49         goto err;
  50     /* Skip over the variable thread id at the start of the string */
  51     for (p = out; *p != ':' && *p != 0; ++p) {
  52         if (!TEST_true(IS_HEX(*p)))
  53             goto err;
  54     }
  55     if (!TEST_true(*p != 0)
  56         || !TEST_strn_eq(expected, p, strlen(expected)))
  57         goto err;
  58
  59     ret = 1;
  60 err:
  61     BIO_free(bio);
  62     return ret;
  63 }
  64 #endif
  65
  66 /* Test that querying the error queue preserves the OS error. */
  67 static int preserves_system_error(void)
  68 {
  69 #if defined(OPENSSL_SYS_WINDOWS)
  70     SetLastError(ERROR_INVALID_FUNCTION);
  71     ERR_get_error();
  72     return TEST_int_eq(GetLastError(), ERROR_INVALID_FUNCTION);
  73 #else
  74     errno = EINVAL;
  75     ERR_get_error();
  76     return TEST_int_eq(errno, EINVAL);
  77 #endif
  78 }
  79
  80 /* Test that calls to ERR_add_error_[v]data append */
  81 static int vdata_appends(void)
  82 {
  83     const char *data;
  84
  85     CRYPTOerr(0, ERR_R_MALLOC_FAILURE);
  86     ERR_add_error_data(1, "hello ");
  87     ERR_add_error_data(1, "world");
  88     ERR_peek_error_data(&data, NULL);
  89     return TEST_str_eq(data, "hello world");
  90 }
  91
  92 static int raised_error(void)
  93 {
  94     const char *f, *data;
  95     int l;
  96     unsigned long e;
  97
  98     /*
  99      * When OPENSSL_NO_ERR or OPENSSL_NO_FILENAMES, no file name or line
 100      * number is saved, so no point checking them.
 101      */
 102 #if !defined(OPENSSL_NO_FILENAMES) && !defined(OPENSSL_NO_ERR)
 103     const char *file;
 104     int line;
 105
 106     file = __FILE__;
 107     line = __LINE__ + 2; /* The error is generated on the ERR_raise_data line */
 108 #endif
 109     ERR_raise_data(ERR_LIB_SYS, ERR_R_INTERNAL_ERROR,
 110                    "calling exit()");
 111     if (!TEST_ulong_ne(e = ERR_get_error_all(&f, &l, NULL, &data, NULL), 0)
 112             || !TEST_int_eq(ERR_GET_REASON(e), ERR_R_INTERNAL_ERROR)
 113 #if !defined(OPENSSL_NO_FILENAMES) && !defined(OPENSSL_NO_ERR)
 114             || !TEST_int_eq(l, line)
 115             || !TEST_str_eq(f, file)
 116 #endif
 117             || !TEST_str_eq(data, "calling exit()"))
 118         return 0;
 119     return 1;
 120 }
 121
 122 int setup_tests(void)
 123 {
 124     ADD_TEST(preserves_system_error);
 125     ADD_TEST(vdata_appends);
 126     ADD_TEST(raised_error);
 127 #ifndef OPENSSL_NO_DEPRECATED_3_0
 128     ADD_TEST(test_print_error_format);
 129 #endif
 130     return 1;
 131 }