LCOV - code coverage report
Current view: top level - common - t-convert.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 108 157 68.8 %
Date: 2016-09-12 12:29:17 Functions: 6 6 100.0 %

          Line data    Source code
       1             : /* t-convert.c - Module test for convert.c
       2             :  *      Copyright (C) 2006, 2008 Free Software Foundation, Inc.
       3             :  *
       4             :  * This file is part of GnuPG.
       5             :  *
       6             :  * GnuPG is free software; you can redistribute it and/or modify
       7             :  * it under the terms of the GNU General Public License as published by
       8             :  * the Free Software Foundation; either version 3 of the License, or
       9             :  * (at your option) any later version.
      10             :  *
      11             :  * GnuPG is distributed in the hope that it will be useful,
      12             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             :  * GNU General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU General Public License
      17             :  * along with this program; if not, see <http://www.gnu.org/licenses/>.
      18             :  */
      19             : 
      20             : #include <config.h>
      21             : #include <stdio.h>
      22             : #include <stdlib.h>
      23             : #include <assert.h>
      24             : 
      25             : #include "util.h"
      26             : 
      27             : #define pass()  do { ; } while(0)
      28             : #define fail(a)  do { fprintf (stderr, "%s:%d: test %d failed\n",\
      29             :                                __FILE__,__LINE__, (a));          \
      30             :     /*exit (1)*/;                                                \
      31             :                    } while(0)
      32             : 
      33             : 
      34             : static void
      35           1 : test_hex2bin (void)
      36             : {
      37             :   static const char *valid[] = {
      38             :     "00112233445566778899aabbccddeeff11223344",
      39             :     "00112233445566778899AABBCCDDEEFF11223344",
      40             :     "00112233445566778899AABBCCDDEEFF11223344 blah",
      41             :     "00112233445566778899AABBCCDDEEFF11223344\tblah",
      42             :     "00112233445566778899AABBCCDDEEFF11223344\nblah",
      43             :     NULL
      44             :   };
      45             :   static const char *invalid[] = {
      46             :     "00112233445566778899aabbccddeeff1122334",
      47             :     "00112233445566778899AABBCCDDEEFF1122334",
      48             :     "00112233445566778899AABBCCDDEEFG11223344",
      49             :     "00 112233445566778899aabbccddeeff11223344",
      50             :     "00:112233445566778899aabbccddeeff11223344",
      51             :     ":00112233445566778899aabbccddeeff11223344",
      52             :     "0:0112233445566778899aabbccddeeff11223344",
      53             :     "00112233445566778899aabbccddeeff11223344:",
      54             :     "00112233445566778899aabbccddeeff112233445",
      55             :     "00112233445566778899aabbccddeeff1122334455",
      56             :     "00112233445566778899aabbccddeeff11223344blah",
      57             :     NULL
      58             :   };
      59             :   static const char *valid2[] = {
      60             :     "00",
      61             :     "00 x",
      62             :     NULL
      63             :   };
      64             :   static const char *invalid2[] = {
      65             :     "",
      66             :     "0",
      67             :     "00:",
      68             :     "00x",
      69             :     " 00",
      70             :     NULL
      71             :   };
      72             :   unsigned char buffer[20];
      73             :   int len;
      74             :   int i;
      75             : 
      76             : 
      77           6 :   for (i=0; valid[i]; i++)
      78             :     {
      79           5 :       len = hex2bin (valid[i], buffer, sizeof buffer);
      80           5 :       if (len < 0)
      81           0 :         fail (i);
      82           5 :       if (memcmp (buffer, ("\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa"
      83             :                            "\xbb\xcc\xdd\xee\xff\x11\x22\x33\x44"), 20))
      84           0 :           fail (i);
      85             :     }
      86           1 :   if (hex2bin (valid[0], buffer, sizeof buffer) != 40)
      87           0 :     fail (0);
      88           1 :   if (hex2bin (valid[2], buffer, sizeof buffer) != 41)
      89           0 :     fail (0);
      90             : 
      91          12 :   for (i=0; invalid[i]; i++)
      92             :     {
      93          11 :       len = hex2bin (invalid[i], buffer, sizeof buffer);
      94          11 :       if (!(len < 0))
      95           0 :         fail (i);
      96             :     }
      97             : 
      98           3 :   for (i=0; valid2[i]; i++)
      99             :     {
     100           2 :       len = hex2bin (valid2[i], buffer, 1);
     101           2 :       if (len < 0)
     102           0 :         fail (i);
     103           2 :       if (memcmp (buffer, "\x00", 1))
     104           0 :         fail (i);
     105             :     }
     106           1 :   if (hex2bin (valid2[0], buffer, 1) != 2)
     107           0 :     fail (0);
     108           1 :   if (hex2bin (valid2[1], buffer, 1) != 3)
     109           0 :     fail (0);
     110             : 
     111           6 :   for (i=0; invalid2[i]; i++)
     112             :     {
     113           5 :       len = hex2bin (invalid2[i], buffer, 1);
     114           5 :       if (!(len < 0))
     115           0 :         fail (i);
     116             :     }
     117           1 : }
     118             : 
     119             : 
     120             : 
     121             : static void
     122           1 : test_hexcolon2bin (void)
     123             : {
     124             :   static const char *valid[] = {
     125             :     "00112233445566778899aabbccddeeff11223344",
     126             :     "00112233445566778899AABBCCDDEEFF11223344",
     127             :     "00:11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
     128             :     "00112233445566778899AABBCCDDEEFF11223344 blah",
     129             :     "00112233445566778899AABBCCDDEEFF11223344\tblah",
     130             :     "00112233445566778899AABBCCDDEEFF11223344\nblah",
     131             :     NULL
     132             :   };
     133             :   static const char *invalid[] = {
     134             :     "00112233445566778899aabbccddeeff1122334",
     135             :     "00112233445566778899AABBCCDDEEFF1122334",
     136             :     "00112233445566778899AABBCCDDEEFG11223344",
     137             :     ":00:11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
     138             :     "00:11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44:",
     139             :     "00:11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:3344",
     140             :     "00:1122:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
     141             :     "0011:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
     142             :     "00 11:22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
     143             :     "00:11 22:33:44:55:66:77:88:99:aa:bb:cc:dd:ee:ff:11:22:33:44",
     144             :     "00112233445566778899aabbccddeeff112233445",
     145             :     "00112233445566778899aabbccddeeff1122334455",
     146             :     "00112233445566778899aabbccddeeff11223344blah",
     147             :     NULL
     148             :   };
     149             :   static const char *valid2[] = {
     150             :     "00",
     151             :     "00 x",
     152             :     NULL
     153             :   };
     154             :   static const char *invalid2[] = {
     155             :     "",
     156             :     "0",
     157             :     "00:",
     158             :     ":00",
     159             :     "0:0",
     160             :     "00x",
     161             :     " 00",
     162             :     NULL
     163             :   };
     164             :   unsigned char buffer[20];
     165             :   int len;
     166             :   int i;
     167             : 
     168             : 
     169           7 :   for (i=0; valid[i]; i++)
     170             :     {
     171           6 :       len = hexcolon2bin (valid[i], buffer, sizeof buffer);
     172           6 :       if (len < 0)
     173           0 :         fail (i);
     174           6 :       if (memcmp (buffer, ("\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa"
     175             :                            "\xbb\xcc\xdd\xee\xff\x11\x22\x33\x44"), 20))
     176           0 :           fail (i);
     177             :     }
     178           1 :   if (hexcolon2bin (valid[0], buffer, sizeof buffer) != 40)
     179           0 :     fail (0);
     180           1 :   if (hexcolon2bin (valid[3], buffer, sizeof buffer) != 41)
     181           0 :     fail (0);
     182             : 
     183          14 :   for (i=0; invalid[i]; i++)
     184             :     {
     185          13 :       len = hexcolon2bin (invalid[i], buffer, sizeof buffer);
     186          13 :       if (!(len < 0))
     187           0 :         fail (i);
     188             :     }
     189             : 
     190           3 :   for (i=0; valid2[i]; i++)
     191             :     {
     192           2 :       len = hexcolon2bin (valid2[i], buffer, 1);
     193           2 :       if (len < 0)
     194           0 :         fail (i);
     195           2 :       if (memcmp (buffer, "\x00", 1))
     196           0 :         fail (i);
     197             :     }
     198           1 :   if (hexcolon2bin (valid2[0], buffer, 1) != 2)
     199           0 :     fail (0);
     200           1 :   if (hexcolon2bin (valid2[1], buffer, 1) != 3)
     201           0 :     fail (0);
     202             : 
     203           8 :   for (i=0; invalid2[i]; i++)
     204             :     {
     205           7 :       len = hexcolon2bin (invalid2[i], buffer, 1);
     206           7 :       if (!(len < 0))
     207           0 :         fail (i);
     208             :     }
     209             : 
     210             : 
     211           1 : }
     212             : 
     213             : 
     214             : 
     215             : static void
     216           1 : test_bin2hex (void)
     217             : {
     218           1 :   char stuff[20+1] = ("\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa"
     219             :                       "\xbb\xcc\xdd\xee\xff\x01\x10\x02\xa3");
     220           1 :   char hexstuff[] = "00112233445566778899AABBCCDDEEFF011002A3";
     221             :   char buffer[2*20+1];
     222             :   char *p;
     223             : 
     224           1 :   p = bin2hex (stuff, 20, buffer);
     225           1 :   if (!p)
     226           0 :     fail (0);
     227           1 :   if (p != buffer)
     228           0 :     fail (0);
     229           1 :   if (strcmp (buffer, hexstuff))
     230           0 :     fail (0);
     231             : 
     232           1 :   p = bin2hex (stuff, 20, NULL);
     233           1 :   if (!p)
     234           0 :     fail (0);
     235           1 :   else if (strcmp (p, hexstuff))
     236           0 :     fail (0);
     237           1 :   xfree (p);
     238             : 
     239           1 :   p = bin2hex (stuff, (size_t)(-1), NULL);
     240           1 :   if (p)
     241           0 :     fail (0);
     242           1 :   else if (errno != ENOMEM)
     243           0 :     fail (1);
     244           1 : }
     245             : 
     246             : 
     247             : static void
     248           1 : test_bin2hexcolon (void)
     249             : {
     250           1 :   char stuff[20+1] = ("\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa"
     251             :                       "\xbb\xcc\xdd\xee\xff\x01\x10\x02\xa3");
     252           1 :   char hexstuff[] = ("00:11:22:33:44:55:66:77:88:99:AA:BB:CC:DD:EE:FF"
     253             :                      ":01:10:02:A3");
     254             :   char buffer[3*20+1];
     255             :   char *p;
     256             : 
     257           1 :   p = bin2hexcolon (stuff, 20, buffer);
     258           1 :   if (!p)
     259           0 :     fail (0);
     260           1 :   if (p != buffer)
     261           0 :     fail (0);
     262           1 :   if (strcmp (buffer, hexstuff))
     263           0 :     fail (0);
     264             : 
     265           1 :   p = bin2hexcolon (stuff, 20, NULL);
     266           1 :   if (!p)
     267           0 :     fail (0);
     268           1 :   else if (strcmp (p, hexstuff))
     269           0 :     fail (0);
     270           1 :   xfree (p);
     271             : 
     272           1 :   p = bin2hexcolon (stuff, (size_t)(-1), NULL);
     273           1 :   if (p)
     274           0 :     fail (0);
     275           1 :   else if (errno != ENOMEM)
     276           0 :     fail (1);
     277           1 : }
     278             : 
     279             : 
     280             : 
     281             : static void
     282           1 : test_hex2str (void)
     283             : {
     284             :   static struct {
     285             :     const char *hex;
     286             :     const char *str;
     287             :     int len; /* Length of STR.  This may included embedded nuls.  */
     288             :     int off;
     289             :     int no_alloc_test;
     290             :   } tests[] = {
     291             :     /* Simple tests.  */
     292             :     { "112233445566778899aabbccddeeff1122",
     293             :       "\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x22",
     294             :       17, 34 },
     295             :     { "112233445566778899aabbccddeeff1122 blah",
     296             :       "\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x22",
     297             :       17, 34 },
     298             :     { "112233445566778899aabbccddeeff1122\tblah",
     299             :       "\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x22",
     300             :       17, 34 },
     301             :     { "112233445566778899aabbccddeeff1122\nblah",
     302             :       "\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x22",
     303             :       17, 34 },
     304             :     /* Valid tests yielding an empty string.  */
     305             :     { "00",
     306             :       "",
     307             :       1, 2 },
     308             :     { "00 x",
     309             :       "",
     310             :       1, 2 },
     311             :     { "",
     312             :       "",
     313             :       0, 0 },
     314             :     { " ",
     315             :       "",
     316             :       0, 0 },
     317             :     /* Test trailing Nul feature.  */
     318             :     { "112233445566778899aabbccddeeff1100",
     319             :       "\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x00",
     320             :       17, 34 },
     321             :     { "112233445566778899aabbccddeeff1100 ",
     322             :       "\x11\x22\x33\x44\x55\x66\x77\x88\x99\xaa\xbb\xcc\xdd\xee\xff\x11\x00",
     323             :       17, 34 },
     324             :     /* Test buffer size. (buffer is of length 20)  */
     325             :     { "6162636465666768696A6b6c6D6e6f70717273",
     326             :       "abcdefghijklmnopqrs",
     327             :       19, 38 },
     328             :     { "6162636465666768696A6b6c6D6e6f7071727300",
     329             :       "abcdefghijklmnopqrs",
     330             :       20, 40 },
     331             :     { "6162636465666768696A6b6c6D6e6f7071727374",
     332             :       NULL,
     333             :       0, 0, 1 },
     334             :     { "6162636465666768696A6b6c6D6e6f707172737400",
     335             :       NULL,
     336             :       0, 0, 1 },
     337             :     { "6162636465666768696A6b6c6D6e6f707172737475",
     338             :       NULL,
     339             :       0, 0, 1 },
     340             : 
     341             :     /* Invalid tests. */
     342             :     { "112233445566778899aabbccddeeff1122334",      NULL, 0, 0 },
     343             :     { "112233445566778899AABBCCDDEEFF1122334",      NULL, 0, 0 },
     344             :     { "112233445566778899AABBCCDDEEFG11223344",     NULL, 0, 0 },
     345             :     { "0:0112233445566778899aabbccddeeff11223344",  NULL, 0, 0 },
     346             :     { "112233445566778899aabbccddeeff11223344:",    NULL, 0, 0 },
     347             :     { "112233445566778899aabbccddeeff112233445",    NULL, 0, 0 },
     348             :     { "112233445566778899aabbccddeeff1122334455",   NULL, 0, 0, 1 },
     349             :     { "112233445566778899aabbccddeeff11223344blah", NULL, 0, 0 },
     350             :     { "0",    NULL, 0, 0 },
     351             :     { "00:",  NULL, 0, 0 },
     352             :     { "00x",  NULL, 0, 0 },
     353             : 
     354             :     { NULL, NULL, 0, 0 }
     355             :   };
     356             : 
     357             :   int idx;
     358             :   char buffer[20];
     359             :   const char *tail;
     360             :   size_t count;
     361             :   char *result;
     362             : 
     363          27 :   for (idx=0; tests[idx].hex; idx++)
     364             :     {
     365          26 :       tail = hex2str (tests[idx].hex, buffer, sizeof buffer, &count);
     366          26 :       if (tests[idx].str)
     367             :         {
     368             :           /* Good case test.  */
     369          12 :           if (!tail)
     370           0 :             fail (idx);
     371          12 :           else if (strcmp (tests[idx].str, buffer))
     372           0 :             fail (idx);
     373          12 :           else if (tail - tests[idx].hex != tests[idx].off)
     374           0 :             fail (idx);
     375          12 :           else if (tests[idx].len != count)
     376           0 :             fail (idx);
     377             :         }
     378             :       else
     379             :         {
     380             :           /* Bad case test.  */
     381          14 :           if (tail)
     382           0 :             fail (idx);
     383             :         }
     384             :     }
     385             : 
     386             :   /* Same tests again using in-place conversion.  */
     387          27 :   for (idx=0; tests[idx].hex; idx++)
     388             :     {
     389             :       char tmpbuf[100];
     390             : 
     391          26 :       assert (strlen (tests[idx].hex)+1 < sizeof tmpbuf);
     392          26 :       strcpy (tmpbuf, tests[idx].hex);
     393             : 
     394             :       /* Note: we still need to use 20 as buffer length because our
     395             :          tests assume that. */
     396          26 :       tail = hex2str (tmpbuf, tmpbuf, 20, &count);
     397          26 :       if (tests[idx].str)
     398             :         {
     399             :           /* Good case test.  */
     400          12 :           if (!tail)
     401           0 :             fail (idx);
     402          12 :           else if (strcmp (tests[idx].str, tmpbuf))
     403           0 :             fail (idx);
     404          12 :           else if (tail - tmpbuf != tests[idx].off)
     405           0 :             fail (idx);
     406          12 :           else if (tests[idx].len != count)
     407           0 :             fail (idx);
     408             :         }
     409             :       else
     410             :         {
     411             :           /* Bad case test.  */
     412          14 :           if (tail)
     413           0 :             fail (idx);
     414          14 :           if (strcmp (tmpbuf, tests[idx].hex))
     415           0 :             fail (idx); /* Buffer was modified.  */
     416             :         }
     417             :     }
     418             : 
     419             :   /* Test the allocation variant.  */
     420          27 :   for (idx=0; tests[idx].hex; idx++)
     421             :     {
     422          26 :       if (tests[idx].no_alloc_test)
     423           4 :         continue;
     424             : 
     425          22 :       result = hex2str_alloc (tests[idx].hex, &count);
     426          22 :       if (tests[idx].str)
     427             :         {
     428             :           /* Good case test.  */
     429          12 :           if (!result)
     430           0 :             fail (idx);
     431          12 :           else if (strcmp (tests[idx].str, result))
     432           0 :             fail (idx);
     433          12 :           else if (count != tests[idx].off)
     434           0 :             fail (idx);
     435             :         }
     436             :       else
     437             :         {
     438             :           /* Bad case test.  */
     439          10 :           if (result)
     440           0 :             fail (idx);
     441             :         }
     442          22 :       xfree (result);
     443             :     }
     444           1 : }
     445             : 
     446             : 
     447             : 
     448             : 
     449             : 
     450             : int
     451           1 : main (int argc, char **argv)
     452             : {
     453             :   (void)argc;
     454             :   (void)argv;
     455             : 
     456           1 :   test_hex2bin ();
     457           1 :   test_hexcolon2bin ();
     458           1 :   test_bin2hex ();
     459           1 :   test_bin2hexcolon ();
     460           1 :   test_hex2str ();
     461             : 
     462           1 :   return 0;
     463             : }

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