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     };
  61
  62     static const struct test tests[] =
  63     {
  64         {"foo", 256, STATUS_SUCCESS, "toto"},
  65         {"FoO", 256, STATUS_SUCCESS, "toto"},
  66         {"foo=", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  67         {"foo ", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  68         {"foo", 1, STATUS_BUFFER_TOO_SMALL, "toto"},
  69         {"foo", 3, STATUS_BUFFER_TOO_SMALL, "toto"},
  70         {"foo", 4, STATUS_SUCCESS, "toto"},
  71         {"fooo", 256, STATUS_SUCCESS, "tutu"},
  72         {"f", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  73         {"g", 256, STATUS_SUCCESS, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
  74 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"},
  75         {"sr=an", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  76         {"sr", 256, STATUS_SUCCESS, "an=ouo"},
  77         {"=oOH", 256, STATUS_SUCCESS, "III"},
  78         {"", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  79         {"nul", 256, STATUS_SUCCESS, ""},
  80         {NULL, 0, 0, NULL}
  81     };
  82
  83     WCHAR               bn[257];
  84     WCHAR               bv[257];
  85     UNICODE_STRING      name;
  86     UNICODE_STRING      value;
  87     const struct test*  test;
  88     NTSTATUS            nts;
  89
  90     for (test = tests; test->var; test++)
  91     {
  92         name.Length = strlen(test->var) * 2;
  93         name.MaximumLength = name.Length + 2;
  94         name.Buffer = bn;
  95         value.Length = 0;
  96         value.MaximumLength = test->len * 2;
  97         value.Buffer = bv;
  98         bv[test->len] = '@';
  99
 100         pRtlMultiByteToUnicodeN( bn, sizeof(bn), NULL, test->var, strlen(test->var)+1 );
 101         nts = pRtlQueryEnvironmentVariable_U(small_env, &name, &value);
 102         ok( nts == test->status, "[%d]: Wrong status for '%s', expecting %lx got %lx\n",
 103             test - tests, test->var, test->status, nts );
 104         if (nts == test->status) switch (nts)
 105         {
 106         case STATUS_SUCCESS:
 107             pRtlMultiByteToUnicodeN( bn, sizeof(bn), NULL, test->val, strlen(test->val)+1 );
 108             ok( value.Length == strlen(test->val) * sizeof(WCHAR), "Wrong length %d/%d for %s\n",
 109                 value.Length, strlen(test->val) * sizeof(WCHAR), test->var );
 110             ok((value.Length == strlen(test->val) * sizeof(WCHAR) && memcmp(bv, bn, test->len*sizeof(WCHAR)) == 0) ||
 111                lstrcmpW(bv, bn) == 0,
 112                "Wrong result for %s/%d\n", test->var, test->len);
 113             ok(bv[test->len] == '@', "Writing too far away in the buffer for %s/%d\n", test->var, test->len);
 114             break;
 115         case STATUS_BUFFER_TOO_SMALL:
 116             ok( value.Length == strlen(test->val) * sizeof(WCHAR),
 117                 "Wrong returned length %d/%d (too small buffer) for %s\n",
 118                 value.Length, strlen(test->val) * sizeof(WCHAR), test->var );
 119             break;
 120         }
 121     }
 122 }
 123
 124 static void testSetHelper(LPWSTR* env, const char* var, const char* val, NTSTATUS ret)
 125 {
 126     WCHAR               bvar[256], bval1[256], bval2[256];
 127     UNICODE_STRING      uvar;
 128     UNICODE_STRING      uval;
 129     NTSTATUS            nts;
 130
 131     uvar.Length = strlen(var) * sizeof(WCHAR);
 132     uvar.MaximumLength = uvar.Length + sizeof(WCHAR);
 133     uvar.Buffer = bvar;
 134     pRtlMultiByteToUnicodeN( bvar, sizeof(bvar), NULL, var, strlen(var)+1 );
 135     if (val)
 136     {
 137         uval.Length = strlen(val) * sizeof(WCHAR);
 138         uval.MaximumLength = uval.Length + sizeof(WCHAR);
 139         uval.Buffer = bval1;
 140         pRtlMultiByteToUnicodeN( bval1, sizeof(bval1), NULL, val, strlen(val)+1 );
 141     }
 142     nts = pRtlSetEnvironmentVariable(env, &uvar, val ? &uval : NULL);
 143     ok(nts == ret, "Setting var %s=%s (%lx/%lx)\n", var, val, nts, ret);
 144     if (nts == STATUS_SUCCESS)
 145     {
 146         uval.Length = 0;
 147         uval.MaximumLength = sizeof(bval2);
 148         uval.Buffer = bval2;
 149         nts = pRtlQueryEnvironmentVariable_U(*env, &uvar, &uval);
 150         switch (nts)
 151         {
 152         case STATUS_SUCCESS:
 153             ok(lstrcmpW(bval1, bval2) == 0, "Cannot get value written to environment\n");
 154             break;
 155         case STATUS_VARIABLE_NOT_FOUND:
 156             ok(val == NULL, "Couldn't find variable, but didn't delete it. val = %s\n", val);
 157             break;
 158         default:
 159             ok(0, "Wrong ret %lu for %s\n", nts, var);
 160             break;
 161         }
 162     }
 163 }
 164
 165 static void testSet(void)
 166 {
 167     LPWSTR              env;
 168     char                tmp[16];
 169     int                 i;
 170
 171     ok(pRtlCreateEnvironment(FALSE, &env) == STATUS_SUCCESS, "Creating environment\n");
 172     memmove(env, small_env, sizeof(small_env));
 173
 174     testSetHelper(&env, "cat", "dog", STATUS_SUCCESS);
 175     testSetHelper(&env, "cat", "horse", STATUS_SUCCESS);
 176     testSetHelper(&env, "cat", "zz", STATUS_SUCCESS);
 177     testSetHelper(&env, "cat", NULL, STATUS_SUCCESS);
 178     testSetHelper(&env, "cat", NULL, STATUS_VARIABLE_NOT_FOUND);
 179     testSetHelper(&env, "foo", "meouw", STATUS_SUCCESS);
 180     testSetHelper(&env, "me=too", "also", STATUS_INVALID_PARAMETER);
 181     testSetHelper(&env, "me", "too=also", STATUS_SUCCESS);
 182     testSetHelper(&env, "=too", "also", STATUS_SUCCESS);
 183     testSetHelper(&env, "=", "also", STATUS_SUCCESS);
 184
 185     for (i = 0; i < 128; i++)
 186     {
 187         sprintf(tmp, "zork%03d", i);
 188         testSetHelper(&env, tmp, "is alive", STATUS_SUCCESS);
 189     }
 190
 191     for (i = 0; i < 128; i++)
 192     {
 193         sprintf(tmp, "zork%03d", i);
 194         testSetHelper(&env, tmp, NULL, STATUS_SUCCESS);
 195     }
 196     testSetHelper(&env, "fOo", NULL, STATUS_SUCCESS);
 197
 198     ok(pRtlDestroyEnvironment(env) == STATUS_SUCCESS, "Destroying environment\n");
 199 }
 200
 201 static void testExpand(void)
 202 {
 203     static const struct test
 204     {
 205         const char *src;
 206         const char *dst;
 207     } tests[] =
 208     {
 209         {"hello%foo%world",             "hellototoworld"},
 210         {"hello%=oOH%world",            "helloIIIworld"},
 211         {"hello%foo",                   "hello%foo"},
 212         {"hello%bar%world",             "hello%bar%world"},
 213         /*
 214          * {"hello%foo%world%=oOH%eeck",   "hellototoworldIIIeeck"},
 215          * Interestingly enough, with a 8 WCHAR buffers, we get on 2k:
 216          *      helloIII
 217          * so it seems like strings overflowing the buffer are written
 218          * (troncated) but the write cursor is not advanced :-/
 219          */
 220         {NULL, NULL}
 221     };
 222
 223     const struct test*  test;
 224     NTSTATUS            nts;
 225     UNICODE_STRING      us_src, us_dst;
 226     WCHAR               src[256], dst[256], rst[256];
 227     ULONG               ul;
 228
 229     for (test = tests; test->src; test++)
 230     {
 231         pRtlMultiByteToUnicodeN(src, sizeof(src), NULL, test->src, strlen(test->src)+1);
 232         pRtlMultiByteToUnicodeN(rst, sizeof(rst), NULL, test->dst, strlen(test->dst)+1);
 233
 234         us_src.Length = strlen(test->src) * sizeof(WCHAR);
 235         us_src.MaximumLength = us_src.Length + 2;
 236         us_src.Buffer = src;
 237
 238         us_dst.Length = 0;
 239         us_dst.MaximumLength = 0;
 240         us_dst.Buffer = NULL;
 241
 242         nts = pRtlExpandEnvironmentStrings_U(small_env, &us_src, &us_dst, &ul);
 243         ok(ul == strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR),
 244            "Wrong  returned length for %s: %lu <> %u\n",
 245            test->src, ul, strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR));
 246
 247         us_dst.Length = 0;
 248         us_dst.MaximumLength = sizeof(dst);
 249         us_dst.Buffer = dst;
 250
 251         nts = pRtlExpandEnvironmentStrings_U(small_env, &us_src, &us_dst, &ul);
 252         ok(nts == STATUS_SUCCESS, "Call failed (%lu)\n", nts);
 253         ok(ul == us_dst.Length + sizeof(WCHAR),
 254            "Wrong returned length for %s: %lu <> %u\n",
 255            test->src, ul, us_dst.Length + sizeof(WCHAR));
 256         ok(ul == strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR),
 257            "Wrong  returned length for %s: %lu <> %u\n",
 258            test->src, ul, strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR));
 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 (%lu)\n", nts);
 268         ok(ul == strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR),
 269            "Wrong  returned length for %s (with buffer too small): %lu <> %u\n",
 270            test->src, ul, strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR));
 271         ok(memcmp(dst, rst, 8*sizeof(WCHAR)) == 0,
 272            "Wrong result for %s (with buffer too small): expecting %s\n",
 273            test->src, test->dst);
 274         ok(dst[8] == '-', "Writing too far in buffer (got %c/%d)\n", dst[8], dst[8]);
 275     }
 276
 277 }
 278
 279 START_TEST(env)
 280 {
 281     HMODULE mod = GetModuleHandleA("ntdll.dll");
 282
 283     pRtlMultiByteToUnicodeN = (void *)GetProcAddress(mod,"RtlMultiByteToUnicodeN");
 284     pRtlCreateEnvironment = (void*)GetProcAddress(mod, "RtlCreateEnvironment");
 285     pRtlDestroyEnvironment = (void*)GetProcAddress(mod, "RtlDestroyEnvironment");
 286     pRtlQueryEnvironmentVariable_U = (void*)GetProcAddress(mod, "RtlQueryEnvironmentVariable_U");
 287     pRtlSetCurrentEnvironment = (void*)GetProcAddress(mod, "RtlSetCurrentEnvironment");
 288     pRtlSetEnvironmentVariable = (void*)GetProcAddress(mod, "RtlSetEnvironmentVariable");
 289     pRtlExpandEnvironmentStrings_U = (void*)GetProcAddress(mod, "RtlExpandEnvironmentStrings_U");
 290
 291     if (pRtlQueryEnvironmentVariable_U)
 292         testQuery();
 293     if (pRtlSetEnvironmentVariable)
 294         testSet();
 295     if (pRtlExpandEnvironmentStrings_U)
 296         testExpand();
 297 }