dlls/ntdll/tests/env.c

   1 /*
   2  * Unit test suite for ntdll path functions
   3  *
   4  * Copyright 2003 Eric Pouech
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library 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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdio.h>
  22
  23 #include "ntdll_test.h"
  24
  25 static NTSTATUS (WINAPI *pRtlMultiByteToUnicodeN)( LPWSTR dst, DWORD dstlen, LPDWORD reslen,
  26                                                    LPCSTR src, DWORD srclen );
  27 static NTSTATUS (WINAPI *pRtlCreateEnvironment)(BOOLEAN, PWSTR*);
  28 static NTSTATUS (WINAPI *pRtlDestroyEnvironment)(PWSTR);
  29 static NTSTATUS (WINAPI *pRtlQueryEnvironmentVariable_U)(PWSTR, PUNICODE_STRING, PUNICODE_STRING);
  30 static void     (WINAPI *pRtlSetCurrentEnvironment)(PWSTR, PWSTR*);
  31 static NTSTATUS (WINAPI *pRtlSetEnvironmentVariable)(PWSTR*, PUNICODE_STRING, PUNICODE_STRING);
  32 static NTSTATUS (WINAPI *pRtlExpandEnvironmentStrings_U)(LPWSTR, PUNICODE_STRING, PUNICODE_STRING, PULONG);
  33
  34 static WCHAR  small_env[] = {'f','o','o','=','t','o','t','o',0,
  35                              'f','o','=','t','i','t','i',0,
  36                              'f','o','o','o','=','t','u','t','u',0,
  37                              's','r','=','a','n','=','o','u','o',0,
  38                              'g','=','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',
  39                                      'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',
  40                                      'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',
  41                                      'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',
  42                                      'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',
  43                                      'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',
  44                                      'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',
  45                                      'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',
  46                                      'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',
  47                                      'a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a','a',0,
  48                              '=','o','O','H','=','I','I','I',0,
  49                              'n','u','l','=',0,
  50                              0};
  51
  52 static void testQuery(void)
  53 {
  54     struct test
  55     {
  56         const char *var;
  57         int len;
  58         NTSTATUS status;
  59         const char *val;
  60         NTSTATUS alt;
  61     };
  62
  63     static const struct test tests[] =
  64     {
  65         {"foo", 256, STATUS_SUCCESS, "toto"},
  66         {"FoO", 256, STATUS_SUCCESS, "toto"},
  67         {"foo=", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  68         {"foo ", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  69         {"foo", 1, STATUS_BUFFER_TOO_SMALL, "toto"},
  70         {"foo", 3, STATUS_BUFFER_TOO_SMALL, "toto"},
  71         {"foo", 4, STATUS_SUCCESS, "toto", STATUS_BUFFER_TOO_SMALL},
  72         {"foo", 5, STATUS_SUCCESS, "toto"},
  73         {"fooo", 256, STATUS_SUCCESS, "tutu"},
  74         {"f", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  75         {"g", 256, STATUS_SUCCESS, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
  76 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"},
  77         {"sr=an", 256, STATUS_SUCCESS, "ouo", STATUS_VARIABLE_NOT_FOUND},
  78         {"sr", 256, STATUS_SUCCESS, "an=ouo"},
  79         {"=oOH", 256, STATUS_SUCCESS, "III"},
  80         {"", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  81         {"nul", 256, STATUS_SUCCESS, ""},
  82         {NULL, 0, 0, NULL}
  83     };
  84
  85     WCHAR               bn[257];
  86     WCHAR               bv[257];
  87     UNICODE_STRING      name;
  88     UNICODE_STRING      value;
  89     const struct test*  test;
  90     NTSTATUS            nts;
  91
  92     for (test = tests; test->var; test++)
  93     {
  94         name.Length = strlen(test->var) * 2;
  95         name.MaximumLength = name.Length + 2;
  96         name.Buffer = bn;
  97         value.Length = 0;
  98         value.MaximumLength = test->len * 2;
  99         value.Buffer = bv;
 100         bv[test->len] = '@';
 101
 102         pRtlMultiByteToUnicodeN( bn, sizeof(bn), NULL, test->var, strlen(test->var)+1 );
 103         nts = pRtlQueryEnvironmentVariable_U(small_env, &name, &value);
 104         ok( nts == test->status || (test->alt && nts == test->alt),
 105             "[%d]: Wrong status for '%s', expecting %x got %x\n",
 106             test - tests, test->var, test->status, nts );
 107         if (nts == test->status) switch (nts)
 108         {
 109         case STATUS_SUCCESS:
 110             pRtlMultiByteToUnicodeN( bn, sizeof(bn), NULL, test->val, strlen(test->val)+1 );
 111             ok( value.Length == strlen(test->val) * sizeof(WCHAR), "Wrong length %d for %s\n",
 112                 value.Length, test->var );
 113             ok((value.Length == strlen(test->val) * sizeof(WCHAR) && memcmp(bv, bn, test->len*sizeof(WCHAR)) == 0) ||
 114                lstrcmpW(bv, bn) == 0,
 115                "Wrong result for %s/%d\n", test->var, test->len);
 116             ok(bv[test->len] == '@', "Writing too far away in the buffer for %s/%d\n", test->var, test->len);
 117             break;
 118         case STATUS_BUFFER_TOO_SMALL:
 119             ok( value.Length == strlen(test->val) * sizeof(WCHAR),
 120                 "Wrong returned length %d (too small buffer) for %s\n", value.Length, test->var );
 121             break;
 122         }
 123     }
 124 }
 125
 126 static void testSetHelper(LPWSTR* env, const char* var, const char* val, NTSTATUS ret, NTSTATUS alt)
 127 {
 128     WCHAR               bvar[256], bval1[256], bval2[256];
 129     UNICODE_STRING      uvar;
 130     UNICODE_STRING      uval;
 131     NTSTATUS            nts;
 132
 133     uvar.Length = strlen(var) * sizeof(WCHAR);
 134     uvar.MaximumLength = uvar.Length + sizeof(WCHAR);
 135     uvar.Buffer = bvar;
 136     pRtlMultiByteToUnicodeN( bvar, sizeof(bvar), NULL, var, strlen(var)+1 );
 137     if (val)
 138     {
 139         uval.Length = strlen(val) * sizeof(WCHAR);
 140         uval.MaximumLength = uval.Length + sizeof(WCHAR);
 141         uval.Buffer = bval1;
 142         pRtlMultiByteToUnicodeN( bval1, sizeof(bval1), NULL, val, strlen(val)+1 );
 143     }
 144     nts = pRtlSetEnvironmentVariable(env, &uvar, val ? &uval : NULL);
 145     ok(nts == ret || (alt && nts == alt), "Setting var %s=%s (%x/%x)\n", var, val, nts, ret);
 146     if (nts == STATUS_SUCCESS)
 147     {
 148         uval.Length = 0;
 149         uval.MaximumLength = sizeof(bval2);
 150         uval.Buffer = bval2;
 151         nts = pRtlQueryEnvironmentVariable_U(*env, &uvar, &uval);
 152         switch (nts)
 153         {
 154         case STATUS_SUCCESS:
 155             ok(lstrcmpW(bval1, bval2) == 0, "Cannot get value written to environment\n");
 156             break;
 157         case STATUS_VARIABLE_NOT_FOUND:
 158             ok(val == NULL ||
 159                broken(strchr(var,'=') != NULL), /* variable containing '=' may be set but not found again on NT4 */
 160                "Couldn't find variable, but didn't delete it. val = %s\n", val);
 161             break;
 162         default:
 163             ok(0, "Wrong ret %u for %s\n", nts, var);
 164             break;
 165         }
 166     }
 167 }
 168
 169 static void testSet(void)
 170 {
 171     LPWSTR              env;
 172     char                tmp[16];
 173     int                 i;
 174
 175     ok(pRtlCreateEnvironment(FALSE, &env) == STATUS_SUCCESS, "Creating environment\n");
 176
 177     testSetHelper(&env, "cat", "dog", STATUS_SUCCESS, 0);
 178     testSetHelper(&env, "cat", "horse", STATUS_SUCCESS, 0);
 179     testSetHelper(&env, "cat", "zz", STATUS_SUCCESS, 0);
 180     testSetHelper(&env, "cat", NULL, STATUS_SUCCESS, 0);
 181     testSetHelper(&env, "cat", NULL, STATUS_SUCCESS, STATUS_VARIABLE_NOT_FOUND);
 182     testSetHelper(&env, "foo", "meouw", STATUS_SUCCESS, 0);
 183     testSetHelper(&env, "me=too", "also", STATUS_SUCCESS, STATUS_INVALID_PARAMETER);
 184     testSetHelper(&env, "me", "too=also", STATUS_SUCCESS, 0);
 185     testSetHelper(&env, "=too", "also", STATUS_SUCCESS, 0);
 186     testSetHelper(&env, "=", "also", STATUS_SUCCESS, 0);
 187
 188     for (i = 0; i < 128; i++)
 189     {
 190         sprintf(tmp, "zork%03d", i);
 191         testSetHelper(&env, tmp, "is alive", STATUS_SUCCESS, 0);
 192     }
 193
 194     for (i = 0; i < 128; i++)
 195     {
 196         sprintf(tmp, "zork%03d", i);
 197         testSetHelper(&env, tmp, NULL, STATUS_SUCCESS, 0);
 198     }
 199     testSetHelper(&env, "fOo", NULL, STATUS_SUCCESS, 0);
 200
 201     ok(pRtlDestroyEnvironment(env) == STATUS_SUCCESS, "Destroying environment\n");
 202 }
 203
 204 static void testExpand(void)
 205 {
 206     static const struct test
 207     {
 208         const char *src;
 209         const char *dst;
 210     } tests[] =
 211     {
 212         {"hello%foo%world",             "hellototoworld"},
 213         {"hello%=oOH%world",            "helloIIIworld"},
 214         {"hello%foo",                   "hello%foo"},
 215         {"hello%bar%world",             "hello%bar%world"},
 216         /*
 217          * {"hello%foo%world%=oOH%eeck",   "hellototoworldIIIeeck"},
 218          * Interestingly enough, with a 8 WCHAR buffers, we get on 2k:
 219          *      helloIII
 220          * so it seems like strings overflowing the buffer are written
 221          * (truncated) but the write cursor is not advanced :-/
 222          */
 223         {NULL, NULL}
 224     };
 225
 226     const struct test*  test;
 227     NTSTATUS            nts;
 228     UNICODE_STRING      us_src, us_dst;
 229     WCHAR               src[256], dst[256], rst[256];
 230     ULONG               ul;
 231
 232     for (test = tests; test->src; test++)
 233     {
 234         pRtlMultiByteToUnicodeN(src, sizeof(src), NULL, test->src, strlen(test->src)+1);
 235         pRtlMultiByteToUnicodeN(rst, sizeof(rst), NULL, test->dst, strlen(test->dst)+1);
 236
 237         us_src.Length = strlen(test->src) * sizeof(WCHAR);
 238         us_src.MaximumLength = us_src.Length + 2;
 239         us_src.Buffer = src;
 240
 241         us_dst.Length = 0;
 242         us_dst.MaximumLength = 0;
 243         us_dst.Buffer = NULL;
 244
 245         nts = pRtlExpandEnvironmentStrings_U(small_env, &us_src, &us_dst, &ul);
 246         ok(ul == strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR),
 247            "Wrong  returned length for %s: %u\n", test->src, ul );
 248
 249         us_dst.Length = 0;
 250         us_dst.MaximumLength = sizeof(dst);
 251         us_dst.Buffer = dst;
 252
 253         nts = pRtlExpandEnvironmentStrings_U(small_env, &us_src, &us_dst, &ul);
 254         ok(nts == STATUS_SUCCESS, "Call failed (%u)\n", nts);
 255         ok(ul == us_dst.Length + sizeof(WCHAR),
 256            "Wrong returned length for %s: %u\n", test->src, ul);
 257         ok(ul == strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR),
 258            "Wrong  returned length for %s: %u\n", test->src, ul);
 259         ok(lstrcmpW(dst, rst) == 0, "Wrong result for %s: expecting %s\n",
 260            test->src, test->dst);
 261
 262         us_dst.Length = 0;
 263         us_dst.MaximumLength = 8 * sizeof(WCHAR);
 264         us_dst.Buffer = dst;
 265         dst[8] = '-';
 266         nts = pRtlExpandEnvironmentStrings_U(small_env, &us_src, &us_dst, &ul);
 267         ok(nts == STATUS_BUFFER_TOO_SMALL, "Call failed (%u)\n", nts);
 268         ok(ul == strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR),
 269            "Wrong  returned length for %s (with buffer too small): %u\n", test->src, ul);
 270         ok(dst[8] == '-', "Writing too far in buffer (got %c/%d)\n", dst[8], dst[8]);
 271     }
 272
 273 }
 274
 275 START_TEST(env)
 276 {
 277     HMODULE mod = GetModuleHandleA("ntdll.dll");
 278     if (!mod)
 279     {
 280         win_skip("Not running on NT, skipping tests\n");
 281         return;
 282     }
 283
 284     pRtlMultiByteToUnicodeN = (void *)GetProcAddress(mod,"RtlMultiByteToUnicodeN");
 285     pRtlCreateEnvironment = (void*)GetProcAddress(mod, "RtlCreateEnvironment");
 286     pRtlDestroyEnvironment = (void*)GetProcAddress(mod, "RtlDestroyEnvironment");
 287     pRtlQueryEnvironmentVariable_U = (void*)GetProcAddress(mod, "RtlQueryEnvironmentVariable_U");
 288     pRtlSetCurrentEnvironment = (void*)GetProcAddress(mod, "RtlSetCurrentEnvironment");
 289     pRtlSetEnvironmentVariable = (void*)GetProcAddress(mod, "RtlSetEnvironmentVariable");
 290     pRtlExpandEnvironmentStrings_U = (void*)GetProcAddress(mod, "RtlExpandEnvironmentStrings_U");
 291
 292     if (pRtlQueryEnvironmentVariable_U)
 293         testQuery();
 294     if (pRtlSetEnvironmentVariable)
 295         testSet();
 296     if (pRtlExpandEnvironmentStrings_U)
 297         testExpand();
 298 }