OSX/sec/securityd/Regressions/secd-49-manifests.c

   1 /*
   2  * Copyright (c) 2015 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 #include <Security/SecureObjectSync/SOSManifest.h>
  26 #include <Security/SecureObjectSync/SOSMessage.h>
  27
  28 #include "secd_regressions.h"
  29
  30 #include <utilities/SecCFWrappers.h>
  31 #include <utilities/SecCFRelease.h>
  32 #include <utilities/der_plist.h>
  33 #include <Security/SecureObjectSync/SOSDigestVector.h>
  34 #include <securityd/SecDbItem.h>
  35 #include <stdlib.h>
  36
  37 static int kTestTestCount = 68;
  38
  39
  40 #define okmfcomplement(r, b, n, ...)  test_okmfcomplement(r, b, n, test_create_description(__VA_ARGS__), test_directive, test_reason, __FILE__, __LINE__, NULL)
  41 #define okmfdiff(a, b, eab,eba, ...)  test_okmfdiff(a, b, eab, eba, test_create_description(__VA_ARGS__), test_directive, test_reason, __FILE__, __LINE__, NULL)
  42 #define okmfintersection(a, b, n, ...)  test_okmfintersection(a, b, n, test_create_description(__VA_ARGS__), test_directive, test_reason, __FILE__, __LINE__, NULL)
  43 #define okmfpatch(b, r, a, n, ...)  test_okmfpatch(b, r, a, n, test_create_description(__VA_ARGS__), test_directive, test_reason, __FILE__, __LINE__, NULL)
  44 #define okmfunion(a, b, n, ...)  test_okmfunion(a, b, n, test_create_description(__VA_ARGS__), test_directive, test_reason, __FILE__, __LINE__, NULL)
  45
  46 static void appendManifestDescription(CFMutableStringRef string, CFStringRef prefix, SOSManifestRef mf) {
  47     if (prefix)
  48         CFStringAppend(string, prefix);
  49     if (!mf) {
  50         CFStringAppend(string, CFSTR("null"));
  51     } else if (SOSManifestGetCount(mf) == 0) {
  52         CFStringAppend(string, CFSTR("empty"));
  53     } else {
  54         char prefix = '{';
  55         const uint8_t *d = SOSManifestGetBytePtr(mf);
  56         for (CFIndex endIX = SOSManifestGetCount(mf), curIX = 0; curIX < endIX; ++curIX, d += SOSDigestSize) {
  57             CFStringAppendFormat(string, NULL, CFSTR("%c%c"), prefix, *d);
  58             prefix = ' ';
  59         }
  60         CFStringAppend(string, CFSTR("}"));
  61     }
  62 }
  63
  64 static int appendManifestComparison(CFMutableStringRef string, CFStringRef prefix, SOSManifestRef expected, SOSManifestRef computed) {
  65     int passed = 0;
  66     appendManifestDescription(string, prefix, computed);
  67     if (CFEqualSafe(computed, expected)) {
  68         // ok
  69         passed = 1;
  70     } else {
  71         // wrong
  72         appendManifestDescription(string, CFSTR("!="), expected);
  73     }
  74     return passed;
  75 }
  76
  77 static void test_okmfcomplement(SOSManifestRef r, SOSManifestRef b, SOSManifestRef n, __attribute((cf_consumed)) CFStringRef test_description, const char *test_directive, const char *reason, const char *file, unsigned line, const char *fmt, ...) {
  78     CFErrorRef error = NULL;
  79     int passed = 0;
  80     CFMutableStringRef extendedDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, test_description);
  81     if (test_description && CFStringGetLength(test_description) != 0)
  82         CFStringAppend(extendedDescription, CFSTR(" "));
  83     appendManifestDescription(extendedDescription, CFSTR("complement "), r);
  84     appendManifestDescription(extendedDescription, CFSTR("->"), b);
  85     SOSManifestRef new = SOSManifestCreateComplement(r, b, &error);
  86     if (!new) {
  87         CFStringAppendFormat(extendedDescription, NULL, CFSTR(" SOSManifestCreateComplement: %@"), error);
  88     } else {
  89         passed = appendManifestComparison(extendedDescription, CFSTR(" -> "), n, new);
  90     }
  91     test_ok(passed, extendedDescription, test_directive, test_reason, file, line, NULL);
  92     CFReleaseSafe(test_description);
  93     CFReleaseSafe(new);
  94     CFReleaseSafe(error);
  95 }
  96
  97 static void test_okmfdiff(SOSManifestRef a, SOSManifestRef b, SOSManifestRef exp_a_b, SOSManifestRef exp_b_a, __attribute((cf_consumed)) CFStringRef test_description, const char *test_directive, const char *reason, const char *file, unsigned line, const char *fmt, ...) {
  98     CFErrorRef error = NULL;
  99     SOSManifestRef a_minus_b = NULL;
 100     SOSManifestRef b_minus_a = NULL;
 101     int passed = 0;
 102     CFMutableStringRef extendedDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, test_description);
 103     if (test_description && CFStringGetLength(test_description) != 0)
 104         CFStringAppend(extendedDescription, CFSTR(" "));
 105     appendManifestDescription(extendedDescription, CFSTR("diff "), a);
 106     appendManifestDescription(extendedDescription, CFSTR("->"), b);
 107     if (!SOSManifestDiff(a, b, &a_minus_b, &b_minus_a, &error)) {
 108         CFStringAppendFormat(extendedDescription, NULL, CFSTR(" SOSManifestDiff: %@"), error);
 109     } else {
 110         passed = appendManifestComparison(extendedDescription, CFSTR(" -> "), exp_a_b, a_minus_b);
 111         passed &= appendManifestComparison(extendedDescription, CFSTR("->"), exp_b_a, b_minus_a);
 112     }
 113     test_ok(passed, extendedDescription, test_directive, test_reason, file, line, NULL);
 114     CFReleaseSafe(test_description);
 115     CFReleaseSafe(a_minus_b);
 116     CFReleaseSafe(b_minus_a);
 117     CFReleaseSafe(error);
 118 }
 119
 120 static void test_okmfintersection(SOSManifestRef a, SOSManifestRef b, SOSManifestRef n, __attribute((cf_consumed)) CFStringRef test_description, const char *test_directive, const char *reason, const char *file, unsigned line, const char *fmt, ...) {
 121     CFErrorRef error = NULL;
 122     int passed = 0;
 123     CFMutableStringRef extendedDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, test_description);
 124     if (test_description && CFStringGetLength(test_description) != 0)
 125         CFStringAppend(extendedDescription, CFSTR(" "));
 126     appendManifestDescription(extendedDescription, CFSTR("intersection "), a);
 127     appendManifestDescription(extendedDescription, CFSTR("->") /*CFSTR(" \xe2\x88\xa9 ")*/, b);
 128     SOSManifestRef new = SOSManifestCreateIntersection(a, b, &error);
 129     if (!new) {
 130         CFStringAppendFormat(extendedDescription, NULL, CFSTR(" SOSManifestCreateIntersection: %@"), error);
 131     } else {
 132         passed = appendManifestComparison(extendedDescription, CFSTR(" -> "), n, new);
 133     }
 134     test_ok(passed, extendedDescription, test_directive, test_reason, file, line, NULL);
 135     CFReleaseSafe(test_description);
 136     CFReleaseSafe(new);
 137     CFReleaseSafe(error);
 138 }
 139
 140 static void test_okmfpatch(SOSManifestRef b, SOSManifestRef r, SOSManifestRef a, SOSManifestRef n, __attribute((cf_consumed)) CFStringRef test_description, const char *test_directive, const char *reason, const char *file, unsigned line, const char *fmt, ...) {
 141     CFErrorRef error = NULL;
 142     int passed = 0;
 143     CFMutableStringRef extendedDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, test_description);
 144     if (test_description && CFStringGetLength(test_description) != 0)
 145         CFStringAppend(extendedDescription, CFSTR(" "));
 146     appendManifestDescription(extendedDescription, CFSTR("patch "), b);
 147     appendManifestDescription(extendedDescription, CFSTR("->"), r);
 148     appendManifestDescription(extendedDescription, CFSTR("->"), a);
 149     SOSManifestRef new = SOSManifestCreateWithPatch(b, r, a, &error);
 150     if (!new) {
 151         CFStringAppendFormat(extendedDescription, NULL, CFSTR(" SOSManifestCreateWithPatch: %@"), error);
 152     } else {
 153         passed = appendManifestComparison(extendedDescription, CFSTR(" -> "), n, new);
 154     }
 155     test_ok(passed, extendedDescription, test_directive, test_reason, file, line, NULL);
 156     CFReleaseSafe(test_description);
 157     CFReleaseSafe(new);
 158     CFReleaseSafe(error);
 159 }
 160
 161 static void test_okmfunion(SOSManifestRef a, SOSManifestRef b, SOSManifestRef n, __attribute((cf_consumed)) CFStringRef test_description, const char *test_directive, const char *reason, const char *file, unsigned line, const char *fmt, ...) {
 162     CFErrorRef error = NULL;
 163     int passed = 0;
 164     CFMutableStringRef extendedDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, test_description);
 165     if (test_description && CFStringGetLength(test_description) != 0)
 166         CFStringAppend(extendedDescription, CFSTR(" "));
 167     appendManifestDescription(extendedDescription, CFSTR("union "), a);
 168     appendManifestDescription(extendedDescription, CFSTR("->") /*CFSTR(" \xe2\x88\xaa ")*/, b);
 169     SOSManifestRef new = SOSManifestCreateUnion(a, b, &error);
 170     if (!new) {
 171         CFStringAppendFormat(extendedDescription, NULL, CFSTR(" SOSManifestCreateUnion: %@"), error);
 172     } else {
 173         passed = appendManifestComparison(extendedDescription, CFSTR(" -> "), n, new);
 174     }
 175     test_ok(passed, extendedDescription, test_directive, test_reason, file, line, NULL);
 176     CFReleaseSafe(test_description);
 177     CFReleaseSafe(new);
 178     CFReleaseSafe(error);
 179 }
 180
 181 static SOSManifestRef createManifestWithString(CFStringRef string) {
 182     struct SOSDigestVector dv = SOSDigestVectorInit;
 183     CFIndex length = string ? CFStringGetLength(string) : 0;
 184     CFStringInlineBuffer buf = {};
 185     CFRange range = { 0, length };
 186     CFStringInitInlineBuffer(string, &buf, range);
 187     for (CFIndex ix = 0; ix < length; ++ix) {
 188         uint8_t digest[20] = "                   ";
 189         UniChar c = CFStringGetCharacterFromInlineBuffer(&buf, ix);
 190         digest[0] = c;
 191         SOSDigestVectorAppend(&dv, digest);
 192     }
 193     SOSManifestRef mf = NULL;
 194     mf = SOSManifestCreateWithDigestVector(&dv, NULL);
 195     SOSDigestVectorFree(&dv);
 196     return mf;
 197 }
 198
 199 static SOSManifestRef testCreateBadManifest() {
 200     SOSManifestRef mf = createManifestWithString(CFSTR("bab"));
 201     is(SOSManifestGetCount(mf), (size_t)2, "dupes eliminated?");
 202     return mf;
 203 }
 204
 205
 206 typedef struct mf_vectors {
 207     SOSManifestRef null;
 208     SOSManifestRef empty;
 209     SOSManifestRef a;
 210     SOSManifestRef b;
 211     SOSManifestRef ab;
 212     SOSManifestRef bab;
 213     SOSManifestRef agh;
 214     SOSManifestRef gh;
 215     SOSManifestRef agghhjk;
 216     SOSManifestRef gghh;
 217     SOSManifestRef agghh;
 218 } mf_t;
 219
 220 static void setupMF(mf_t *mf) {
 221     CFErrorRef error = NULL;
 222     mf->null = NULL;
 223     mf->empty = SOSManifestCreateWithBytes(NULL, 0, &error);
 224     mf->a = createManifestWithString(CFSTR("a"));
 225     mf->b = createManifestWithString(CFSTR("b"));
 226     mf->ab = createManifestWithString(CFSTR("ab"));
 227     mf->bab = testCreateBadManifest();
 228     mf->gh = createManifestWithString(CFSTR("gh"));
 229     mf->agh = createManifestWithString(CFSTR("agh"));
 230     mf->agghhjk = createManifestWithString(CFSTR("agghhjk"));
 231     mf->gghh = createManifestWithString(CFSTR("gghh"));
 232     mf->agghh = createManifestWithString(CFSTR("agghh"));
 233 }
 234
 235 static void teardownMF(mf_t *mf) {
 236     if (!mf) return;
 237     CFReleaseSafe(mf->empty);
 238     CFReleaseSafe(mf->a);
 239     CFReleaseSafe(mf->b);
 240     CFReleaseSafe(mf->ab);
 241     CFReleaseSafe(mf->bab);
 242     CFReleaseSafe(mf->gh);
 243     CFReleaseSafe(mf->agh);
 244     CFReleaseSafe(mf->agghhjk);
 245     CFReleaseSafe(mf->gghh);
 246     CFReleaseSafe(mf->agghh);
 247 }
 248
 249 static void testNullManifest(SOSManifestRef mf)
 250 {
 251     is(SOSManifestGetCount(mf), (size_t)0, "count is 0");
 252     is(SOSManifestGetSize(mf), (size_t)0, "capacity is 0");
 253 }
 254
 255 static void testNull(mf_t *mf) {
 256     testNullManifest(mf->null);
 257     testNullManifest(mf->empty);
 258 }
 259
 260 static void testDiff(mf_t *mf) {
 261     okmfdiff(mf->null, mf->null, mf->empty, mf->empty);
 262     okmfdiff(mf->null, mf->empty, mf->empty, mf->empty);
 263     okmfdiff(mf->null, mf->a, mf->empty, mf->a);
 264     okmfdiff(mf->empty, mf->null, mf->empty, mf->empty);
 265     okmfdiff(mf->empty, mf->empty, mf->empty, mf->empty);
 266     okmfdiff(mf->empty, mf->a, mf->empty, mf->a);
 267     okmfdiff(mf->a, mf->null, mf->a, mf->empty);
 268     okmfdiff(mf->a, mf->empty, mf->a, mf->empty);
 269     okmfdiff(mf->a, mf->a, mf->empty, mf->empty);
 270     okmfdiff(mf->bab, mf->empty, mf->ab, mf->empty);
 271     okmfdiff(mf->bab, mf->a, mf->b, mf->empty);
 272     okmfdiff(mf->a, mf->bab, mf->empty, mf->b);
 273     okmfdiff(mf->bab, mf->b, mf->a, mf->empty);
 274     okmfdiff(mf->b, mf->bab, mf->empty, mf->a);
 275     okmfdiff(mf->bab, mf->bab, mf->empty, mf->empty);
 276 }
 277
 278 static void testPatch(mf_t *mf) {
 279     okmfpatch(mf->null, mf->null, mf->null, mf->empty);
 280     okmfpatch(mf->empty, mf->empty, mf->empty, mf->empty);
 281     okmfpatch(mf->bab, mf->b, mf->a, mf->a);
 282     okmfpatch(mf->ab, mf->empty, mf->empty, mf->ab);
 283     okmfpatch(mf->ab, mf->empty, mf->a, mf->ab);
 284     okmfpatch(mf->bab, mf->empty, mf->a, mf->ab);
 285     okmfpatch(mf->bab, mf->ab, mf->null, mf->empty);
 286     okmfpatch(mf->bab, mf->empty, mf->empty, mf->ab);
 287 }
 288
 289 static void testUnion(mf_t *mf) {
 290     okmfunion(mf->null, mf->null, mf->empty);
 291     okmfunion(mf->null, mf->empty, mf->empty);
 292     okmfunion(mf->empty, mf->null, mf->empty);
 293     okmfunion(mf->empty, mf->empty, mf->empty);
 294     okmfunion(mf->null, mf->a, mf->a);
 295     okmfunion(mf->a, mf->null, mf->a);
 296     okmfunion(mf->empty, mf->a, mf->a);
 297     okmfunion(mf->a, mf->empty, mf->a);
 298     okmfunion(mf->bab, mf->ab, mf->ab);
 299     okmfunion(mf->empty, mf->bab, mf->ab);
 300     okmfunion(mf->bab, mf->empty, mf->ab);
 301 }
 302
 303 static void testIntersect(mf_t *mf) {
 304     okmfintersection(mf->null, mf->null, mf->empty);
 305     okmfintersection(mf->null, mf->empty, mf->empty);
 306     okmfintersection(mf->empty, mf->null, mf->empty);
 307     okmfintersection(mf->empty, mf->empty, mf->empty);
 308     okmfintersection(mf->null, mf->a, mf->empty);
 309     okmfintersection(mf->a, mf->null, mf->empty);
 310     okmfintersection(mf->empty, mf->a, mf->empty);
 311     okmfintersection(mf->a, mf->empty, mf->empty);
 312     okmfintersection(mf->bab, mf->ab, mf->ab);
 313     okmfintersection(mf->bab, mf->a, mf->a);
 314     okmfintersection(mf->a, mf->bab, mf->a);
 315     okmfintersection(mf->b, mf->bab, mf->b);
 316     okmfintersection(mf->bab, mf->bab, mf->ab);
 317     okmfintersection(mf->gghh, mf->agghh, mf->gh);
 318     okmfintersection(mf->agghhjk, mf->agghh, mf->agh);
 319 }
 320
 321 static void testComplement(mf_t *mf) {
 322     okmfcomplement(mf->null, mf->null, mf->empty);
 323     okmfcomplement(mf->null, mf->empty, mf->empty);
 324     okmfcomplement(mf->empty, mf->null, mf->empty);
 325     okmfcomplement(mf->empty, mf->empty, mf->empty);
 326     okmfcomplement(mf->null, mf->a, mf->a);
 327     okmfcomplement(mf->a, mf->null, mf->empty);
 328     okmfcomplement(mf->empty, mf->a, mf->a);
 329     okmfcomplement(mf->a, mf->empty, mf->empty);
 330     okmfcomplement(mf->bab, mf->ab, mf->empty);
 331     okmfcomplement(mf->ab, mf->bab, mf->empty);
 332     okmfcomplement(mf->bab, mf->a, mf->empty);
 333     okmfcomplement(mf->a, mf->bab, mf->b);
 334     okmfcomplement(mf->b, mf->bab, mf->a);
 335     okmfcomplement(mf->empty, mf->bab, mf->ab);
 336 }
 337
 338 static void tests(void)
 339 {
 340     mf_t mf;
 341     setupMF(&mf);
 342
 343     testNull(&mf);
 344     testDiff(&mf);
 345     testPatch(&mf);
 346     testUnion(&mf);
 347     testIntersect(&mf);
 348     testComplement(&mf);
 349
 350     teardownMF(&mf);
 351 }
 352
 353 int secd_49_manifests(int argc, char *const *argv)
 354 {
 355     plan_tests(kTestTestCount);
 356
 357     tests();
 358
 359         return 0;
 360 }