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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdio.h>
  22
  23 #include "ntdll_test.h"
  24 #include "wine/unicode.h"
  25
  26 static NTSTATUS (WINAPI *pRtlMultiByteToUnicodeN)( LPWSTR dst, DWORD dstlen, LPDWORD reslen,
  27                                                    LPCSTR src, DWORD srclen );
  28 static NTSTATUS (WINAPI *pRtlCreateEnvironment)(BOOLEAN, PWSTR*);
  29 static NTSTATUS (WINAPI *pRtlDestroyEnvironment)(PWSTR);
  30 static NTSTATUS (WINAPI *pRtlQueryEnvironmentVariable_U)(PWSTR, PUNICODE_STRING, PUNICODE_STRING);
  31 static void     (WINAPI *pRtlSetCurrentEnvironment)(PWSTR, PWSTR*);
  32 static NTSTATUS (WINAPI *pRtlSetEnvironmentVariable)(PWSTR*, PUNICODE_STRING, PUNICODE_STRING);
  33 static NTSTATUS (WINAPI *pRtlExpandEnvironmentStrings_U)(LPWSTR, PUNICODE_STRING, PUNICODE_STRING, PULONG);
  34
  35 static WCHAR  small_env[] = {'f','o','o','=','t','o','t','o',0,
  36                              'f','o','=','t','i','t','i',0,
  37                              'f','o','o','o','=','t','u','t','u',0,
  38                              's','r','=','a','n','=','o','u','o',0,
  39                              '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',
  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',
  48                                      '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,
  49                              '=','o','O','H','=','I','I','I',0,
  50                              'n','u','l','=',0,
  51                              0};
  52
  53 static void testQuery(void)
  54 {
  55     struct test
  56     {
  57         const char *var;
  58         int len;
  59         NTSTATUS status;
  60         const char *val;
  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"},
  72         {"fooo", 256, STATUS_SUCCESS, "tutu"},
  73         {"f", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  74         {"g", 256, STATUS_SUCCESS, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
  75 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"},
  76         {"sr=an", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  77         {"sr", 256, STATUS_SUCCESS, "an=ouo"},
  78         {"=oOH", 256, STATUS_SUCCESS, "III"},
  79         {"", 256, STATUS_VARIABLE_NOT_FOUND, NULL},
  80         {"nul", 256, STATUS_SUCCESS, ""},
  81         {NULL, 0, 0, NULL}
  82     };
  83
  84     WCHAR               bn[257];
  85     WCHAR               bv[257];
  86     UNICODE_STRING      name;
  87     UNICODE_STRING      value;
  88     const struct test*  test;
  89     NTSTATUS            nts;
  90
  91     for (test = tests; test->var; test++)
  92     {
  93         name.Length = strlen(test->var) * 2;
  94         name.MaximumLength = name.Length + 2;
  95         name.Buffer = bn;
  96         value.Length = 0;
  97         value.MaximumLength = test->len * 2;
  98         value.Buffer = bv;
  99         bv[test->len] = '@';
 100
 101         pRtlMultiByteToUnicodeN( bn, sizeof(bn), NULL, test->var, strlen(test->var)+1 );
 102         nts = pRtlQueryEnvironmentVariable_U(small_env, &name, &value);
 103         ok( nts == test->status, "[%d]: Wrong status for '%s', expecting %lx got %lx\n",
 104             test - tests, test->var, test->status, nts );
 105         if (nts == test->status) switch (nts)
 106         {
 107         case STATUS_SUCCESS:
 108             pRtlMultiByteToUnicodeN( bn, sizeof(bn), NULL, test->val, strlen(test->val)+1 );
 109             ok( value.Length == strlen(test->val) * sizeof(WCHAR), "Wrong length %d/%d for %s\n",
 110                 value.Length, strlen(test->val) * sizeof(WCHAR), test->var );
 111             ok((value.Length == strlen(test->val) * sizeof(WCHAR) && strncmpW(bv, bn, test->len) == 0) ||
 112                strcmpW(bv, bn) == 0,
 113                "Wrong result for %s/%d\n", test->var, test->len);
 114             ok(bv[test->len] == '@', "Writing too far away in the buffer for %s/%d\n", test->var, test->len);
 115             break;
 116         case STATUS_BUFFER_TOO_SMALL:
 117             ok( value.Length == strlen(test->val) * sizeof(WCHAR),
 118                 "Wrong returned length %d/%d (too small buffer) for %s\n",
 119                 value.Length, strlen(test->val) * sizeof(WCHAR), test->var );
 120             break;
 121         }
 122     }
 123 }
 124
 125 static void testSetHelper(LPWSTR* env, const char* var, const char* val, NTSTATUS ret)
 126 {
 127     WCHAR               bvar[256], bval1[256], bval2[256];
 128     UNICODE_STRING      uvar;
 129     UNICODE_STRING      uval;
 130     NTSTATUS            nts;
 131
 132     uvar.Length = strlen(var) * sizeof(WCHAR);
 133     uvar.MaximumLength = uvar.Length + sizeof(WCHAR);
 134     uvar.Buffer = bvar;
 135     pRtlMultiByteToUnicodeN( bvar, sizeof(bvar), NULL, var, strlen(var)+1 );
 136     if (val)
 137     {
 138         uval.Length = strlen(val) * sizeof(WCHAR);
 139         uval.MaximumLength = uval.Length + sizeof(WCHAR);
 140         uval.Buffer = bval1;
 141         pRtlMultiByteToUnicodeN( bval1, sizeof(bval1), NULL, val, strlen(val)+1 );
 142     }
 143     nts = pRtlSetEnvironmentVariable(env, &uvar, val ? &uval : NULL);
 144     ok(nts == ret, "Setting var %s=%s (%lx/%lx)\n", var, val, nts, ret);
 145     if (nts == STATUS_SUCCESS)
 146     {
 147         uval.Length = 0;
 148         uval.MaximumLength = sizeof(bval2);
 149         uval.Buffer = bval2;
 150         nts = pRtlQueryEnvironmentVariable_U(*env, &uvar, &uval);
 151         switch (nts)
 152         {
 153         case STATUS_SUCCESS:
 154             ok(strcmpW(bval1, bval2) == 0, "Cannot get value written to environment\n");
 155             break;
 156         case STATUS_VARIABLE_NOT_FOUND:
 157             ok(val == NULL, "Couldn't find variable, but didn't delete it. val = %s\n", val);
 158             break;
 159         default:
 160             ok(0, "Wrong ret %lu for %s\n", nts, var);
 161             break;
 162         }
 163     }
 164 }
 165
 166 static void testSet(void)
 167 {
 168     LPWSTR              env;
 169     char                tmp[16];
 170     int                 i;
 171
 172     ok(pRtlCreateEnvironment(FALSE, &env) == STATUS_SUCCESS, "Creating environment\n");
 173     memmove(env, small_env, sizeof(small_env));
 174
 175     testSetHelper(&env, "cat", "dog", STATUS_SUCCESS);
 176     testSetHelper(&env, "cat", "horse", STATUS_SUCCESS);
 177     testSetHelper(&env, "cat", "zz", STATUS_SUCCESS);
 178     testSetHelper(&env, "cat", NULL, STATUS_SUCCESS);
 179     testSetHelper(&env, "cat", NULL, STATUS_VARIABLE_NOT_FOUND);
 180     testSetHelper(&env, "foo", "meouw", STATUS_SUCCESS);
 181     testSetHelper(&env, "me=too", "also", STATUS_INVALID_PARAMETER);
 182     testSetHelper(&env, "me", "too=also", STATUS_SUCCESS);
 183     testSetHelper(&env, "=too", "also", STATUS_SUCCESS);
 184     testSetHelper(&env, "=", "also", STATUS_SUCCESS);
 185
 186     for (i = 0; i < 128; i++)
 187     {
 188         sprintf(tmp, "zork%03d", i);
 189         testSetHelper(&env, tmp, "is alive", STATUS_SUCCESS);
 190     }
 191
 192     for (i = 0; i < 128; i++)
 193     {
 194         sprintf(tmp, "zork%03d", i);
 195         testSetHelper(&env, tmp, NULL, STATUS_SUCCESS);
 196     }
 197     testSetHelper(&env, "fOo", NULL, STATUS_SUCCESS);
 198
 199     ok(pRtlDestroyEnvironment(env) == STATUS_SUCCESS, "Destroying environment\n");
 200 }
 201
 202 static void testExpand(void)
 203 {
 204     static const struct test
 205     {
 206         const char *src;
 207         const char *dst;
 208     } tests[] =
 209     {
 210         {"hello%foo%world",             "hellototoworld"},
 211         {"hello%=oOH%world",            "helloIIIworld"},
 212         {"hello%foo",                   "hello%foo"},
 213         {"hello%bar%world",             "hello%bar%world"},
 214         /*
 215          * {"hello%foo%world%=oOH%eeck",   "hellototoworldIIIeeck"},
 216          * Interestingly enough, with a 8 WCHAR buffers, we get on 2k:
 217          *      helloIII
 218          * so it seems like strings overflowing the buffer are written
 219          * (troncated) but the write cursor is not advanced :-/
 220          */
 221         {NULL, NULL}
 222     };
 223
 224     const struct test*  test;
 225     NTSTATUS            nts;
 226     UNICODE_STRING      us_src, us_dst;
 227     WCHAR               src[256], dst[256], rst[256];
 228     ULONG               ul;
 229
 230     for (test = tests; test->src; test++)
 231     {
 232         pRtlMultiByteToUnicodeN(src, sizeof(src), NULL, test->src, strlen(test->src)+1);
 233         pRtlMultiByteToUnicodeN(rst, sizeof(rst), NULL, test->dst, strlen(test->dst)+1);
 234
 235         us_src.Length = strlen(test->src) * sizeof(WCHAR);
 236         us_src.MaximumLength = us_src.Length + 2;
 237         us_src.Buffer = src;
 238
 239         us_dst.Length = 0;
 240         us_dst.MaximumLength = 0;
 241         us_dst.Buffer = NULL;
 242
 243         nts = pRtlExpandEnvironmentStrings_U(small_env, &us_src, &us_dst, &ul);
 244         ok(ul == strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR),
 245            "Wrong  returned length for %s: %lu <> %u\n",
 246            test->src, ul, strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR));
 247
 248         us_dst.Length = 0;
 249         us_dst.MaximumLength = sizeof(dst);
 250         us_dst.Buffer = dst;
 251
 252         nts = pRtlExpandEnvironmentStrings_U(small_env, &us_src, &us_dst, &ul);
 253         ok(nts == STATUS_SUCCESS, "Call failed (%lu)\n", nts);
 254         ok(ul == us_dst.Length + sizeof(WCHAR),
 255            "Wrong returned length for %s: %lu <> %u\n",
 256            test->src, ul, us_dst.Length + sizeof(WCHAR));
 257         ok(ul == strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR),
 258            "Wrong  returned length for %s: %lu <> %u\n",
 259            test->src, ul, strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR));
 260         ok(strcmpW(dst, rst) == 0, "Wrong result for %s: expecting %s\n",
 261            test->src, test->dst);
 262
 263         us_dst.Length = 0;
 264         us_dst.MaximumLength = 8 * sizeof(WCHAR);
 265         us_dst.Buffer = dst;
 266         dst[8] = '-';
 267         nts = pRtlExpandEnvironmentStrings_U(small_env, &us_src, &us_dst, &ul);
 268         ok(nts == STATUS_BUFFER_TOO_SMALL, "Call failed (%lu)\n", nts);
 269         ok(ul == strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR),
 270            "Wrong  returned length for %s (with buffer too small): %lu <> %u\n",
 271            test->src, ul, strlen(test->dst) * sizeof(WCHAR) + sizeof(WCHAR));
 272         ok(strncmpW(dst, rst, 8) == 0,
 273            "Wrong result for %s (with buffer too small): expecting %s\n",
 274            test->src, test->dst);
 275         ok(dst[8] == '-', "Writing too far in buffer (got %c/%d)\n", dst[8], dst[8]);
 276     }
 277
 278 }
 279
 280 START_TEST(env)
 281 {
 282     HMODULE mod = GetModuleHandleA("ntdll.dll");
 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 }