src/test/test-user-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include "alloc-util.h"
   4 #include "format-util.h"
   5 #include "libcrypt-util.h"
   6 #include "log.h"
   7 #include "macro.h"
   8 #include "memory-util.h"
   9 #include "path-util.h"
  10 #include "string-util.h"
  11 #include "tests.h"
  12 #include "user-util.h"
  13
  14 static void test_uid_to_name_one(uid_t uid, const char *name) {
  15         _cleanup_free_ char *t = NULL;
  16
  17         log_info("/* %s("UID_FMT", \"%s\") */", __func__, uid, name);
  18
  19         assert_se(t = uid_to_name(uid));
  20         if (!synthesize_nobody() && streq(name, NOBODY_USER_NAME)) {
  21                 log_info("(skipping detailed tests because nobody is not synthesized)");
  22                 return;
  23         }
  24         assert_se(streq_ptr(t, name));
  25 }
  26
  27 TEST(uid_to_name) {
  28         test_uid_to_name_one(0, "root");
  29         test_uid_to_name_one(UID_NOBODY, NOBODY_USER_NAME);
  30         test_uid_to_name_one(0xFFFF, "65535");
  31         test_uid_to_name_one(0xFFFFFFFF, "4294967295");
  32 }
  33
  34 static void test_gid_to_name_one(gid_t gid, const char *name) {
  35         _cleanup_free_ char *t = NULL;
  36
  37         log_info("/* %s("GID_FMT", \"%s\") */", __func__, gid, name);
  38
  39         assert_se(t = gid_to_name(gid));
  40         if (!synthesize_nobody() && streq(name, NOBODY_GROUP_NAME)) {
  41                 log_info("(skipping detailed tests because nobody is not synthesized)");
  42                 return;
  43         }
  44         assert_se(streq_ptr(t, name));
  45 }
  46
  47 TEST(gid_to_name) {
  48         test_gid_to_name_one(0, "root");
  49         test_gid_to_name_one(GID_NOBODY, NOBODY_GROUP_NAME);
  50         test_gid_to_name_one(0xFFFF, "65535");
  51         test_gid_to_name_one(0xFFFFFFFF, "4294967295");
  52 }
  53
  54 TEST(parse_uid) {
  55         int r;
  56         uid_t uid;
  57
  58         r = parse_uid("0", &uid);
  59         assert_se(r == 0);
  60         assert_se(uid == 0);
  61
  62         r = parse_uid("1", &uid);
  63         assert_se(r == 0);
  64         assert_se(uid == 1);
  65
  66         r = parse_uid("01", &uid);
  67         assert_se(r == -EINVAL);
  68         assert_se(uid == 1);
  69
  70         r = parse_uid("001", &uid);
  71         assert_se(r == -EINVAL);
  72         assert_se(uid == 1);
  73
  74         r = parse_uid("100", &uid);
  75         assert_se(r == 0);
  76         assert_se(uid == 100);
  77
  78         r = parse_uid("65535", &uid);
  79         assert_se(r == -ENXIO);
  80         assert_se(uid == 100);
  81
  82         r = parse_uid("0x1234", &uid);
  83         assert_se(r == -EINVAL);
  84         assert_se(uid == 100);
  85
  86         r = parse_uid("0o1234", &uid);
  87         assert_se(r == -EINVAL);
  88         assert_se(uid == 100);
  89
  90         r = parse_uid("0b1234", &uid);
  91         assert_se(r == -EINVAL);
  92         assert_se(uid == 100);
  93
  94         r = parse_uid("+1234", &uid);
  95         assert_se(r == -EINVAL);
  96         assert_se(uid == 100);
  97
  98         r = parse_uid("-1234", &uid);
  99         assert_se(r == -EINVAL);
 100         assert_se(uid == 100);
 101
 102         r = parse_uid(" 1234", &uid);
 103         assert_se(r == -EINVAL);
 104         assert_se(uid == 100);
 105
 106         r = parse_uid("01234", &uid);
 107         assert_se(r == -EINVAL);
 108         assert_se(uid == 100);
 109
 110         r = parse_uid("001234", &uid);
 111         assert_se(r == -EINVAL);
 112         assert_se(uid == 100);
 113
 114         r = parse_uid("0001234", &uid);
 115         assert_se(r == -EINVAL);
 116         assert_se(uid == 100);
 117
 118         r = parse_uid("-0", &uid);
 119         assert_se(r == -EINVAL);
 120         assert_se(uid == 100);
 121
 122         r = parse_uid("+0", &uid);
 123         assert_se(r == -EINVAL);
 124         assert_se(uid == 100);
 125
 126         r = parse_uid("00", &uid);
 127         assert_se(r == -EINVAL);
 128         assert_se(uid == 100);
 129
 130         r = parse_uid("000", &uid);
 131         assert_se(r == -EINVAL);
 132         assert_se(uid == 100);
 133
 134         r = parse_uid("asdsdas", &uid);
 135         assert_se(r == -EINVAL);
 136         assert_se(uid == 100);
 137 }
 138
 139 TEST(uid_ptr) {
 140         ASSERT_NOT_NULL(UID_TO_PTR(0));
 141         ASSERT_NOT_NULL(UID_TO_PTR(1000));
 142
 143         assert_se(PTR_TO_UID(UID_TO_PTR(0)) == 0);
 144         assert_se(PTR_TO_UID(UID_TO_PTR(1000)) == 1000);
 145 }
 146
 147 TEST(valid_user_group_name_relaxed) {
 148         assert_se(!valid_user_group_name(NULL, VALID_USER_RELAX));
 149         assert_se(!valid_user_group_name("", VALID_USER_RELAX));
 150         assert_se(!valid_user_group_name("1", VALID_USER_RELAX));
 151         assert_se(!valid_user_group_name("65535", VALID_USER_RELAX));
 152         assert_se(!valid_user_group_name("-1", VALID_USER_RELAX));
 153         assert_se(!valid_user_group_name("foo\nbar", VALID_USER_RELAX));
 154         assert_se(!valid_user_group_name("0123456789012345678901234567890123456789", VALID_USER_RELAX));
 155         assert_se(!valid_user_group_name("aaa:bbb", VALID_USER_RELAX|VALID_USER_ALLOW_NUMERIC));
 156         assert_se(!valid_user_group_name(".aaa:bbb", VALID_USER_RELAX|VALID_USER_ALLOW_NUMERIC));
 157         assert_se(!valid_user_group_name(".", VALID_USER_RELAX));
 158         assert_se(!valid_user_group_name("..", VALID_USER_RELAX));
 159
 160         assert_se(valid_user_group_name("root", VALID_USER_RELAX));
 161         assert_se(valid_user_group_name("lennart", VALID_USER_RELAX));
 162         assert_se(valid_user_group_name("LENNART", VALID_USER_RELAX));
 163         assert_se(valid_user_group_name("_kkk", VALID_USER_RELAX));
 164         assert_se(valid_user_group_name("kkk-", VALID_USER_RELAX));
 165         assert_se(valid_user_group_name("kk-k", VALID_USER_RELAX));
 166         assert_se(valid_user_group_name("eff.eff", VALID_USER_RELAX));
 167         assert_se(valid_user_group_name("eff.", VALID_USER_RELAX));
 168         assert_se(valid_user_group_name("-kkk", VALID_USER_RELAX));
 169         assert_se(valid_user_group_name("rööt", VALID_USER_RELAX));
 170         assert_se(valid_user_group_name(".eff", VALID_USER_RELAX));
 171         assert_se(valid_user_group_name(".1", VALID_USER_RELAX));
 172         assert_se(valid_user_group_name(".65535", VALID_USER_RELAX));
 173         assert_se(valid_user_group_name(".-1", VALID_USER_RELAX));
 174         assert_se(valid_user_group_name(".-kkk", VALID_USER_RELAX));
 175         assert_se(valid_user_group_name(".rööt", VALID_USER_RELAX));
 176         assert_se(valid_user_group_name("...", VALID_USER_RELAX));
 177
 178         assert_se(valid_user_group_name("some5", VALID_USER_RELAX));
 179         assert_se(valid_user_group_name("5some", VALID_USER_RELAX));
 180         assert_se(valid_user_group_name("INNER5NUMBER", VALID_USER_RELAX));
 181
 182         assert_se(valid_user_group_name("piff.paff@ad.domain.example", VALID_USER_RELAX));
 183         assert_se(valid_user_group_name("Dāvis", VALID_USER_RELAX));
 184 }
 185
 186 TEST(valid_user_group_name) {
 187         assert_se(!valid_user_group_name(NULL, 0));
 188         assert_se(!valid_user_group_name("", 0));
 189         assert_se(!valid_user_group_name("1", 0));
 190         assert_se(!valid_user_group_name("65535", 0));
 191         assert_se(!valid_user_group_name("-1", 0));
 192         assert_se(!valid_user_group_name("-kkk", 0));
 193         assert_se(!valid_user_group_name("rööt", 0));
 194         assert_se(!valid_user_group_name(".", 0));
 195         assert_se(!valid_user_group_name(".eff", 0));
 196         assert_se(!valid_user_group_name("foo\nbar", 0));
 197         assert_se(!valid_user_group_name("0123456789012345678901234567890123456789", 0));
 198         assert_se(!valid_user_group_name("aaa:bbb", VALID_USER_ALLOW_NUMERIC));
 199         assert_se(!valid_user_group_name(".", 0));
 200         assert_se(!valid_user_group_name("..", 0));
 201         assert_se(!valid_user_group_name("...", 0));
 202         assert_se(!valid_user_group_name(".1", 0));
 203         assert_se(!valid_user_group_name(".65535", 0));
 204         assert_se(!valid_user_group_name(".-1", 0));
 205         assert_se(!valid_user_group_name(".-kkk", 0));
 206         assert_se(!valid_user_group_name(".rööt", 0));
 207         assert_se(!valid_user_group_name(".aaa:bbb", VALID_USER_ALLOW_NUMERIC));
 208
 209         assert_se(valid_user_group_name("root", 0));
 210         assert_se(valid_user_group_name("lennart", 0));
 211         assert_se(valid_user_group_name("LENNART", 0));
 212         assert_se(valid_user_group_name("_kkk", 0));
 213         assert_se(valid_user_group_name("kkk-", 0));
 214         assert_se(valid_user_group_name("kk-k", 0));
 215         assert_se(!valid_user_group_name("eff.eff", 0));
 216         assert_se(!valid_user_group_name("eff.", 0));
 217
 218         assert_se(valid_user_group_name("some5", 0));
 219         assert_se(!valid_user_group_name("5some", 0));
 220         assert_se(valid_user_group_name("INNER5NUMBER", 0));
 221
 222         assert_se(!valid_user_group_name("piff.paff@ad.domain.example", 0));
 223         assert_se(!valid_user_group_name("Dāvis", 0));
 224 }
 225
 226 TEST(valid_user_group_name_or_numeric_relaxed) {
 227         assert_se(!valid_user_group_name(NULL, VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 228         assert_se(!valid_user_group_name("", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 229         assert_se(valid_user_group_name("0", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 230         assert_se(valid_user_group_name("1", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 231         assert_se(valid_user_group_name("65534", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 232         assert_se(!valid_user_group_name("65535", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 233         assert_se(valid_user_group_name("65536", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 234         assert_se(!valid_user_group_name("-1", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 235         assert_se(!valid_user_group_name("foo\nbar", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 236         assert_se(!valid_user_group_name("0123456789012345678901234567890123456789", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 237         assert_se(!valid_user_group_name("aaa:bbb", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 238         assert_se(!valid_user_group_name(".", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 239         assert_se(!valid_user_group_name("..", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 240
 241         assert_se(valid_user_group_name("root", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 242         assert_se(valid_user_group_name("lennart", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 243         assert_se(valid_user_group_name("LENNART", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 244         assert_se(valid_user_group_name("_kkk", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 245         assert_se(valid_user_group_name("kkk-", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 246         assert_se(valid_user_group_name("kk-k", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 247         assert_se(valid_user_group_name("-kkk", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 248         assert_se(valid_user_group_name("rööt", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 249         assert_se(valid_user_group_name(".eff", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 250         assert_se(valid_user_group_name("eff.eff", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 251         assert_se(valid_user_group_name("eff.", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 252         assert_se(valid_user_group_name("...", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 253
 254         assert_se(valid_user_group_name("some5", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 255         assert_se(valid_user_group_name("5some", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 256         assert_se(valid_user_group_name("INNER5NUMBER", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 257
 258         assert_se(valid_user_group_name("piff.paff@ad.domain.example", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 259         assert_se(valid_user_group_name("Dāvis", VALID_USER_ALLOW_NUMERIC|VALID_USER_RELAX));
 260 }
 261
 262 TEST(valid_user_group_name_or_numeric) {
 263         assert_se(!valid_user_group_name(NULL, VALID_USER_ALLOW_NUMERIC));
 264         assert_se(!valid_user_group_name("", VALID_USER_ALLOW_NUMERIC));
 265         assert_se(valid_user_group_name("0", VALID_USER_ALLOW_NUMERIC));
 266         assert_se(valid_user_group_name("1", VALID_USER_ALLOW_NUMERIC));
 267         assert_se(valid_user_group_name("65534", VALID_USER_ALLOW_NUMERIC));
 268         assert_se(!valid_user_group_name("65535", VALID_USER_ALLOW_NUMERIC));
 269         assert_se(valid_user_group_name("65536", VALID_USER_ALLOW_NUMERIC));
 270         assert_se(!valid_user_group_name("-1", VALID_USER_ALLOW_NUMERIC));
 271         assert_se(!valid_user_group_name("-kkk", VALID_USER_ALLOW_NUMERIC));
 272         assert_se(!valid_user_group_name("rööt", VALID_USER_ALLOW_NUMERIC));
 273         assert_se(!valid_user_group_name(".", VALID_USER_ALLOW_NUMERIC));
 274         assert_se(!valid_user_group_name("..", VALID_USER_ALLOW_NUMERIC));
 275         assert_se(!valid_user_group_name("...", VALID_USER_ALLOW_NUMERIC));
 276         assert_se(!valid_user_group_name(".eff", VALID_USER_ALLOW_NUMERIC));
 277         assert_se(!valid_user_group_name("eff.eff", VALID_USER_ALLOW_NUMERIC));
 278         assert_se(!valid_user_group_name("eff.", VALID_USER_ALLOW_NUMERIC));
 279         assert_se(!valid_user_group_name("foo\nbar", VALID_USER_ALLOW_NUMERIC));
 280         assert_se(!valid_user_group_name("0123456789012345678901234567890123456789", VALID_USER_ALLOW_NUMERIC));
 281         assert_se(!valid_user_group_name("aaa:bbb", VALID_USER_ALLOW_NUMERIC));
 282
 283         assert_se(valid_user_group_name("root", VALID_USER_ALLOW_NUMERIC));
 284         assert_se(valid_user_group_name("lennart", VALID_USER_ALLOW_NUMERIC));
 285         assert_se(valid_user_group_name("LENNART", VALID_USER_ALLOW_NUMERIC));
 286         assert_se(valid_user_group_name("_kkk", VALID_USER_ALLOW_NUMERIC));
 287         assert_se(valid_user_group_name("kkk-", VALID_USER_ALLOW_NUMERIC));
 288         assert_se(valid_user_group_name("kk-k", VALID_USER_ALLOW_NUMERIC));
 289
 290         assert_se(valid_user_group_name("some5", VALID_USER_ALLOW_NUMERIC));
 291         assert_se(!valid_user_group_name("5some", VALID_USER_ALLOW_NUMERIC));
 292         assert_se(valid_user_group_name("INNER5NUMBER", VALID_USER_ALLOW_NUMERIC));
 293
 294         assert_se(!valid_user_group_name("piff.paff@ad.domain.example", VALID_USER_ALLOW_NUMERIC));
 295         assert_se(!valid_user_group_name("Dāvis", VALID_USER_ALLOW_NUMERIC));
 296 }
 297
 298 TEST(valid_gecos) {
 299         assert_se(!valid_gecos(NULL));
 300         assert_se(valid_gecos(""));
 301         assert_se(valid_gecos("test"));
 302         assert_se(valid_gecos("Ümläüt"));
 303         assert_se(!valid_gecos("In\nvalid"));
 304         assert_se(!valid_gecos("In:valid"));
 305 }
 306
 307 TEST(valid_home) {
 308         assert_se(!valid_home(NULL));
 309         assert_se(!valid_home(""));
 310         assert_se(!valid_home("."));
 311         assert_se(!valid_home("/home/.."));
 312         assert_se(!valid_home("/home/../"));
 313         assert_se(!valid_home("/home\n/foo"));
 314         assert_se(!valid_home("./piep"));
 315         assert_se(!valid_home("piep"));
 316         assert_se(!valid_home("/home/user:lennart"));
 317
 318         assert_se(valid_home("/"));
 319         assert_se(valid_home("/home"));
 320         assert_se(valid_home("/home/foo"));
 321 }
 322
 323 static void test_get_user_creds_one(const char *id, const char *name, uid_t uid, gid_t gid, const char *home, const char *shell) {
 324         const char *rhome = NULL;
 325         const char *rshell = NULL;
 326         uid_t ruid = UID_INVALID;
 327         gid_t rgid = GID_INVALID;
 328         int r;
 329
 330         log_info("/* %s(\"%s\", \"%s\", "UID_FMT", "GID_FMT", \"%s\", \"%s\") */",
 331                  __func__, id, name, uid, gid, home, shell);
 332
 333         r = get_user_creds(&id, &ruid, &rgid, &rhome, &rshell, 0);
 334         log_info_errno(r, "got \"%s\", "UID_FMT", "GID_FMT", \"%s\", \"%s\": %m",
 335                        id, ruid, rgid, strnull(rhome), strnull(rshell));
 336         if (!synthesize_nobody() && streq(name, NOBODY_USER_NAME)) {
 337                 log_info("(skipping detailed tests because nobody is not synthesized)");
 338                 return;
 339         }
 340         assert_se(r == 0);
 341         assert_se(streq_ptr(id, name));
 342         assert_se(ruid == uid);
 343         assert_se(rgid == gid);
 344         assert_se(path_equal(rhome, home));
 345 }
 346
 347 TEST(get_user_creds) {
 348         test_get_user_creds_one("root", "root", 0, 0, "/root", DEFAULT_USER_SHELL);
 349         test_get_user_creds_one("0", "root", 0, 0, "/root", DEFAULT_USER_SHELL);
 350         test_get_user_creds_one(NOBODY_USER_NAME, NOBODY_USER_NAME, UID_NOBODY, GID_NOBODY, "/", NOLOGIN);
 351         test_get_user_creds_one("65534", NOBODY_USER_NAME, UID_NOBODY, GID_NOBODY, "/", NOLOGIN);
 352 }
 353
 354 static void test_get_group_creds_one(const char *id, const char *name, gid_t gid) {
 355         gid_t rgid = GID_INVALID;
 356         int r;
 357
 358         log_info("/* %s(\"%s\", \"%s\", "GID_FMT") */", __func__, id, name, gid);
 359
 360         r = get_group_creds(&id, &rgid, 0);
 361         log_info_errno(r, "got \"%s\", "GID_FMT": %m", id, rgid);
 362         if (!synthesize_nobody() && streq(name, NOBODY_GROUP_NAME)) {
 363                 log_info("(skipping detailed tests because nobody is not synthesized)");
 364                 return;
 365         }
 366         assert_se(r == 0);
 367         assert_se(streq_ptr(id, name));
 368         assert_se(rgid == gid);
 369 }
 370
 371 TEST(get_group_creds) {
 372         test_get_group_creds_one("root", "root", 0);
 373         test_get_group_creds_one("0", "root", 0);
 374         test_get_group_creds_one(NOBODY_GROUP_NAME, NOBODY_GROUP_NAME, GID_NOBODY);
 375         test_get_group_creds_one("65534", NOBODY_GROUP_NAME, GID_NOBODY);
 376 }
 377
 378 TEST(make_salt) {
 379         _cleanup_free_ char *s, *t;
 380
 381         assert_se(make_salt(&s) == 0);
 382         log_info("got %s", s);
 383
 384         assert_se(make_salt(&t) == 0);
 385         log_info("got %s", t);
 386
 387         assert_se(!streq(s, t));
 388 }
 389
 390 TEST(in_gid) {
 391         assert_se(in_gid(getgid()) >= 0);
 392         assert_se(in_gid(getegid()) >= 0);
 393         assert_se(in_gid(GID_INVALID) < 0);
 394         assert_se(in_gid(TTY_GID) == 0); /* The TTY gid is for owning ttys, it would be really really weird if we were in it. */
 395 }
 396
 397 TEST(gid_lists_ops) {
 398         static const gid_t l1[] = { 5, 10, 15, 20, 25};
 399         static const gid_t l2[] = { 1, 2, 3, 15, 20, 25};
 400         static const gid_t l3[] = { 5, 10, 15, 20, 25, 26, 27};
 401         static const gid_t l4[] = { 25, 26, 20, 15, 5, 27, 10};
 402
 403         static const gid_t result1[] = {1, 2, 3, 5, 10, 15, 20, 25, 26, 27};
 404         static const gid_t result2[] = {5, 10, 15, 20, 25, 26, 27};
 405
 406         _cleanup_free_ gid_t *gids = NULL;
 407         _cleanup_free_ gid_t *res1 = NULL;
 408         _cleanup_free_ gid_t *res2 = NULL;
 409         _cleanup_free_ gid_t *res3 = NULL;
 410         _cleanup_free_ gid_t *res4 = NULL;
 411         int nresult;
 412
 413         nresult = merge_gid_lists(l2, ELEMENTSOF(l2), l3, ELEMENTSOF(l3), &res1);
 414         assert_se(nresult >= 0);
 415         assert_se(memcmp_nn(res1, nresult, result1, ELEMENTSOF(result1)) == 0);
 416
 417         nresult = merge_gid_lists(NULL, 0, l2, ELEMENTSOF(l2), &res2);
 418         assert_se(nresult >= 0);
 419         assert_se(memcmp_nn(res2, nresult, l2, ELEMENTSOF(l2)) == 0);
 420
 421         nresult = merge_gid_lists(l1, ELEMENTSOF(l1), l1, ELEMENTSOF(l1), &res3);
 422         assert_se(nresult >= 0);
 423         assert_se(memcmp_nn(l1, ELEMENTSOF(l1), res3, nresult) == 0);
 424
 425         nresult = merge_gid_lists(l1, ELEMENTSOF(l1), l4, ELEMENTSOF(l4), &res4);
 426         assert_se(nresult >= 0);
 427         assert_se(memcmp_nn(result2, ELEMENTSOF(result2), res4, nresult) == 0);
 428
 429         nresult = getgroups_alloc(&gids);
 430         assert_se(nresult >= 0 || nresult == -EINVAL || nresult == -ENOMEM);
 431         assert_se(gids);
 432 }
 433
 434 TEST(parse_uid_range) {
 435         uid_t a = 4711, b = 4711;
 436
 437         assert_se(parse_uid_range("", &a, &b) == -EINVAL && a == 4711 && b == 4711);
 438         assert_se(parse_uid_range(" ", &a, &b) == -EINVAL && a == 4711 && b == 4711);
 439         assert_se(parse_uid_range("x", &a, &b) == -EINVAL && a == 4711 && b == 4711);
 440
 441         assert_se(parse_uid_range("0", &a, &b) >= 0 && a == 0 && b == 0);
 442         assert_se(parse_uid_range("1", &a, &b) >= 0 && a == 1 && b == 1);
 443         assert_se(parse_uid_range("2-2", &a, &b) >= 0 && a == 2 && b == 2);
 444         assert_se(parse_uid_range("3-3", &a, &b) >= 0 && a == 3 && b == 3);
 445         assert_se(parse_uid_range("4-5", &a, &b) >= 0 && a == 4 && b == 5);
 446
 447         assert_se(parse_uid_range("7-6", &a, &b) == -EINVAL && a == 4 && b == 5);
 448         assert_se(parse_uid_range("-1", &a, &b) == -EINVAL && a == 4 && b == 5);
 449         assert_se(parse_uid_range("01", &a, &b) == -EINVAL && a == 4 && b == 5);
 450         assert_se(parse_uid_range("001", &a, &b) == -EINVAL && a == 4 && b == 5);
 451         assert_se(parse_uid_range("+1", &a, &b) == -EINVAL && a == 4 && b == 5);
 452         assert_se(parse_uid_range("1--1", &a, &b) == -EINVAL && a == 4 && b == 5);
 453         assert_se(parse_uid_range(" 1", &a, &b) == -EINVAL && a == 4 && b == 5);
 454         assert_se(parse_uid_range(" 1-2", &a, &b) == -EINVAL && a == 4 && b == 5);
 455         assert_se(parse_uid_range("1 -2", &a, &b) == -EINVAL && a == 4 && b == 5);
 456         assert_se(parse_uid_range("1- 2", &a, &b) == -EINVAL && a == 4 && b == 5);
 457         assert_se(parse_uid_range("1-2 ", &a, &b) == -EINVAL && a == 4 && b == 5);
 458         assert_se(parse_uid_range("01-2", &a, &b) == -EINVAL && a == 4 && b == 5);
 459         assert_se(parse_uid_range("1-02", &a, &b) == -EINVAL && a == 4 && b == 5);
 460         assert_se(parse_uid_range("001-2", &a, &b) == -EINVAL && a == 4 && b == 5);
 461         assert_se(parse_uid_range("1-002", &a, &b) == -EINVAL && a == 4 && b == 5);
 462         assert_se(parse_uid_range(" 01", &a, &b) == -EINVAL && a == 4 && b == 5);
 463 }
 464
 465 static void test_mangle_gecos_one(const char *input, const char *expected) {
 466         _cleanup_free_ char *p = NULL;
 467
 468         assert_se(p = mangle_gecos(input));
 469         assert_se(streq(p, expected));
 470         assert_se(valid_gecos(p));
 471 }
 472
 473 TEST(mangle_gecos) {
 474         test_mangle_gecos_one("", "");
 475         test_mangle_gecos_one("root", "root");
 476         test_mangle_gecos_one("wuff\nwuff", "wuff wuff");
 477         test_mangle_gecos_one("wuff:wuff", "wuff wuff");
 478         test_mangle_gecos_one("wuff\r\n:wuff", "wuff   wuff");
 479         test_mangle_gecos_one("\n--wüff-wäff-wöff::", " --wüff-wäff-wöff  ");
 480         test_mangle_gecos_one("\xc3\x28", " (");
 481         test_mangle_gecos_one("\xe2\x28\xa1", " ( ");
 482 }
 483
 484 DEFINE_TEST_MAIN(LOG_INFO);