testsuite/test-modprobe.c

   1 /*
   2  * Copyright (C) 2012-2013  ProFUSION embedded systems
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <errno.h>
  19 #include <inttypes.h>
  20 #include <stddef.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <unistd.h>
  25
  26 #include "testsuite.h"
  27
  28 static noreturn int modprobe_show_depends(const struct test *t)
  29 {
  30         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
  31         const char *const args[] = {
  32                 progname,
  33                 "--show-depends", "mod-loop-a",
  34                 NULL,
  35         };
  36
  37         test_spawn_prog(progname, args);
  38         exit(EXIT_FAILURE);
  39 }
  40 DEFINE_TEST(modprobe_show_depends,
  41         .description = "check if output for modprobe --show-depends is correct for loaded modules",
  42         .config = {
  43                 [TC_UNAME_R] = "4.4.4",
  44                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/show-depends",
  45         },
  46         .output = {
  47                 .out = TESTSUITE_ROOTFS "test-modprobe/show-depends/correct.txt",
  48         });
  49
  50 static noreturn int modprobe_show_depends2(const struct test *t)
  51 {
  52         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
  53         const char *const args[] = {
  54                 progname,
  55                 "--show-depends", "mod-simple",
  56                 NULL,
  57         };
  58
  59         test_spawn_prog(progname, args);
  60         exit(EXIT_FAILURE);
  61 }
  62 DEFINE_TEST(modprobe_show_depends2,
  63         .description = "check if output for modprobe --show-depends is correct",
  64         .config = {
  65                 [TC_UNAME_R] = "4.4.4",
  66                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/show-depends",
  67         },
  68         .output = {
  69                 .out = TESTSUITE_ROOTFS "test-modprobe/show-depends/correct-mod-simple.txt",
  70         });
  71
  72
  73 static noreturn int modprobe_show_alias_to_none(const struct test *t)
  74 {
  75         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
  76         const char *const args[] = {
  77                 progname,
  78                 "--show-depends", "--ignore-install", "--quiet", "mod-simple",
  79                 NULL,
  80         };
  81
  82         test_spawn_prog(progname, args);
  83         exit(EXIT_FAILURE);
  84 }
  85 DEFINE_TEST(modprobe_show_alias_to_none,
  86 #if defined(KMOD_SYSCONFDIR_NOT_ETC)
  87         .skip = true,
  88 #endif
  89         .description = "check if modprobe --show-depends doesn't explode with an alias to nothing",
  90         .config = {
  91                 [TC_UNAME_R] = "4.4.4",
  92                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/alias-to-none",
  93         },
  94         .output = {
  95                 .out = TESTSUITE_ROOTFS "test-modprobe/alias-to-none/correct.txt",
  96         },
  97         .modules_loaded = "",
  98         );
  99
 100
 101 static noreturn int modprobe_show_exports(const struct test *t)
 102 {
 103         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 104         const char *const args[] = {
 105                 progname,
 106                 "--show-exports", "--quiet", "/mod-loop-a.ko",
 107                 NULL,
 108         };
 109
 110         test_spawn_prog(progname, args);
 111         exit(EXIT_FAILURE);
 112 }
 113 DEFINE_TEST(modprobe_show_exports,
 114         .description = "check if modprobe --show-depends doesn't explode with an alias to nothing",
 115         .config = {
 116                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/show-exports",
 117         },
 118         .output = {
 119                 .out = TESTSUITE_ROOTFS "test-modprobe/show-exports/correct.txt",
 120                 .regex = true,
 121         });
 122
 123
 124 static noreturn int modprobe_builtin(const struct test *t)
 125 {
 126         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 127         const char *const args[] = {
 128                 progname,
 129                 "unix",
 130                 NULL,
 131         };
 132
 133         test_spawn_prog(progname, args);
 134         exit(EXIT_FAILURE);
 135 }
 136 DEFINE_TEST(modprobe_builtin,
 137         .description = "check if modprobe return 0 for builtin",
 138         .config = {
 139                 [TC_UNAME_R] = "4.4.4",
 140                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/builtin",
 141         });
 142
 143 static noreturn int modprobe_builtin_lookup_only(const struct test *t)
 144 {
 145         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 146         const char *const args[] = {
 147                 progname,
 148                 "-R", "unix",
 149                 NULL,
 150         };
 151
 152         test_spawn_prog(progname, args);
 153         exit(EXIT_FAILURE);
 154 }
 155 DEFINE_TEST(modprobe_builtin_lookup_only,
 156         .description = "check if modprobe -R correctly returns the builtin module",
 157         .config = {
 158                 [TC_UNAME_R] = "4.4.4",
 159                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/builtin",
 160         },
 161         .output = {
 162                 .out = TESTSUITE_ROOTFS "test-modprobe/builtin/correct.txt",
 163         });
 164
 165 static noreturn int modprobe_softdep_loop(const struct test *t)
 166 {
 167         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 168         const char *const args[] = {
 169                 progname,
 170                 "mod-loop-b",
 171                 NULL,
 172         };
 173
 174         test_spawn_prog(progname, args);
 175         exit(EXIT_FAILURE);
 176 }
 177 DEFINE_TEST(modprobe_softdep_loop,
 178 #if defined(KMOD_SYSCONFDIR_NOT_ETC)
 179         .skip = true,
 180 #endif
 181         .description = "check if modprobe breaks softdep loop",
 182         .config = {
 183                 [TC_UNAME_R] = "4.4.4",
 184                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/softdep-loop",
 185                 [TC_INIT_MODULE_RETCODES] = "",
 186         },
 187         .modules_loaded = "mod-loop-a,mod-loop-b",
 188         );
 189
 190 static noreturn int modprobe_install_cmd_loop(const struct test *t)
 191 {
 192         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 193         const char *const args[] = {
 194                 progname,
 195                 "mod-loop-a",
 196                 NULL,
 197         };
 198
 199         test_spawn_prog(progname, args);
 200         exit(EXIT_FAILURE);
 201 }
 202 DEFINE_TEST(modprobe_install_cmd_loop,
 203         .description = "check if modprobe breaks install-commands loop",
 204         .config = {
 205                 [TC_UNAME_R] = "4.4.4",
 206                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/install-cmd-loop",
 207                 [TC_INIT_MODULE_RETCODES] = "",
 208         },
 209         .env_vars = (const struct keyval[]) {
 210                 { "MODPROBE", ABS_TOP_BUILDDIR "/tools/modprobe" },
 211                 { }
 212                 },
 213         .modules_loaded = "mod-loop-b,mod-loop-a",
 214         );
 215
 216 static noreturn int modprobe_param_kcmdline_show_deps(const struct test *t)
 217 {
 218         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 219         const char *const args[] = {
 220                 progname,
 221                 "--show-depends", "mod-simple",
 222                 NULL,
 223         };
 224
 225         test_spawn_prog(progname, args);
 226         exit(EXIT_FAILURE);
 227 }
 228 DEFINE_TEST(modprobe_param_kcmdline_show_deps,
 229         .description = "check if params from kcmdline are passed to (f)init_module call",
 230         .config = {
 231                 [TC_UNAME_R] = "4.4.4",
 232                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline",
 233         },
 234         .output = {
 235                 .out = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline/correct.txt",
 236         },
 237         .modules_loaded = "",
 238         );
 239
 240 static noreturn int modprobe_param_kcmdline(const struct test *t)
 241 {
 242         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 243         const char *const args[] = {
 244                 progname,
 245                 "-c",
 246                 NULL,
 247         };
 248
 249         test_spawn_prog(progname, args);
 250         exit(EXIT_FAILURE);
 251 }
 252 DEFINE_TEST_WITH_FUNC(modprobe_param_kcmdline2, modprobe_param_kcmdline,
 253         .description = "check if params with no value are parsed correctly from kcmdline",
 254         .config = {
 255                 [TC_UNAME_R] = "4.4.4",
 256                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline2",
 257         },
 258         .output = {
 259                 .out = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline2/correct.txt",
 260         },
 261         .modules_loaded = "",
 262         );
 263
 264 DEFINE_TEST_WITH_FUNC(modprobe_param_kcmdline3, modprobe_param_kcmdline,
 265         .description = "check if unrelated strings in kcmdline are correctly ignored",
 266         .config = {
 267                 [TC_UNAME_R] = "4.4.4",
 268                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline3",
 269         },
 270         .output = {
 271                 .out = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline3/correct.txt",
 272         },
 273         .modules_loaded = "",
 274         );
 275
 276 DEFINE_TEST_WITH_FUNC(modprobe_param_kcmdline4, modprobe_param_kcmdline,
 277         .description = "check if unrelated strings in kcmdline are correctly ignored",
 278         .config = {
 279                 [TC_UNAME_R] = "4.4.4",
 280                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline4",
 281         },
 282         .output = {
 283                 .out = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline4/correct.txt",
 284         },
 285         .modules_loaded = "",
 286         );
 287
 288 DEFINE_TEST_WITH_FUNC(modprobe_param_kcmdline5, modprobe_param_kcmdline,
 289         .description = "check if params with spaces are parsed correctly from kcmdline",
 290         .config = {
 291                 [TC_UNAME_R] = "4.4.4",
 292                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline5",
 293         },
 294         .output = {
 295                 .out = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline5/correct.txt",
 296         },
 297         .modules_loaded = "",
 298         );
 299
 300 DEFINE_TEST_WITH_FUNC(modprobe_param_kcmdline6, modprobe_param_kcmdline,
 301         .description = "check if dots on other parts of kcmdline don't confuse our parser",
 302         .config = {
 303                 [TC_UNAME_R] = "4.4.4",
 304                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline6",
 305         },
 306         .output = {
 307                 .out = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline6/correct.txt",
 308         },
 309         .modules_loaded = "",
 310         );
 311
 312 DEFINE_TEST_WITH_FUNC(modprobe_param_kcmdline7, modprobe_param_kcmdline,
 313         .description = "check if dots on other parts of kcmdline don't confuse our parser",
 314         .config = {
 315                 [TC_UNAME_R] = "4.4.4",
 316                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline7",
 317         },
 318         .output = {
 319                 .out = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline7/correct.txt",
 320         },
 321         .modules_loaded = "",
 322         );
 323
 324 DEFINE_TEST_WITH_FUNC(modprobe_param_kcmdline8, modprobe_param_kcmdline,
 325         .description = "check if dots on other parts of kcmdline don't confuse our parser",
 326         .config = {
 327                 [TC_UNAME_R] = "4.4.4",
 328                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline8",
 329         },
 330         .output = {
 331                 .out = TESTSUITE_ROOTFS "test-modprobe/module-param-kcmdline8/correct.txt",
 332         },
 333         .modules_loaded = "",
 334         );
 335
 336
 337 static noreturn int modprobe_force(const struct test *t)
 338 {
 339         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 340         const char *const args[] = {
 341                 progname,
 342                 "--force", "mod-simple",
 343                 NULL,
 344         };
 345
 346         test_spawn_prog(progname, args);
 347         exit(EXIT_FAILURE);
 348 }
 349 DEFINE_TEST(modprobe_force,
 350         .description = "check modprobe --force",
 351         .config = {
 352                 [TC_UNAME_R] = "4.4.4",
 353                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/force",
 354                 [TC_INIT_MODULE_RETCODES] = "",
 355         },
 356         .modules_loaded = "mod-simple",
 357         );
 358
 359 static noreturn int modprobe_oldkernel(const struct test *t)
 360 {
 361         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 362         const char *const args[] = {
 363                 progname,
 364                 "mod-simple",
 365                 NULL,
 366         };
 367
 368         test_spawn_prog(progname, args);
 369         exit(EXIT_FAILURE);
 370 }
 371 DEFINE_TEST(modprobe_oldkernel,
 372         .description = "check modprobe with kernel without finit_module()",
 373         .config = {
 374                 [TC_UNAME_R] = "3.3.3",
 375                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/oldkernel",
 376                 [TC_INIT_MODULE_RETCODES] = "",
 377         },
 378         .modules_loaded = "mod-simple",
 379         );
 380
 381 static noreturn int modprobe_oldkernel_force(const struct test *t)
 382 {
 383         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 384         const char *const args[] = {
 385                 progname,
 386                 "--force", "mod-simple",
 387                 NULL,
 388         };
 389
 390         test_spawn_prog(progname, args);
 391         exit(EXIT_FAILURE);
 392 }
 393 DEFINE_TEST(modprobe_oldkernel_force,
 394         .description = "check modprobe --force with kernel without finit_module()",
 395         .config = {
 396                 [TC_UNAME_R] = "3.3.3",
 397                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/oldkernel-force",
 398                 [TC_INIT_MODULE_RETCODES] = "",
 399         },
 400         .modules_loaded = "mod-simple",
 401         );
 402
 403 static noreturn int modprobe_external(const struct test *t)
 404 {
 405         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 406         const char *const args[] = {
 407                 progname,
 408                 "mod-simple",
 409                 NULL,
 410         };
 411
 412         test_spawn_prog(progname, args);
 413         exit(EXIT_FAILURE);
 414 }
 415 DEFINE_TEST(modprobe_external,
 416         .description = "check modprobe able to load external module",
 417         .config = {
 418                 [TC_UNAME_R] = "4.4.4",
 419                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/external",
 420                 [TC_INIT_MODULE_RETCODES] = "",
 421         },
 422         .modules_loaded = "mod-simple",
 423         );
 424
 425 static noreturn int modprobe_module_from_abspath(const struct test *t)
 426 {
 427         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 428         const char *const args[] = {
 429                 progname,
 430                 "/home/foo/mod-simple.ko",
 431                 NULL,
 432         };
 433
 434         test_spawn_prog(progname, args);
 435         exit(EXIT_FAILURE);
 436 }
 437 DEFINE_TEST(modprobe_module_from_abspath,
 438         .description = "check modprobe able to load module given as an absolute path",
 439         .config = {
 440                 [TC_UNAME_R] = "4.4.4",
 441                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/module-from-abspath",
 442                 [TC_INIT_MODULE_RETCODES] = "",
 443         },
 444         .modules_loaded = "mod-simple",
 445         );
 446
 447 static noreturn int modprobe_module_from_relpath(const struct test *t)
 448 {
 449         const char *progname = ABS_TOP_BUILDDIR "/tools/modprobe";
 450         const char *const args[] = {
 451                 progname,
 452                 "./mod-simple.ko",
 453                 NULL,
 454         };
 455
 456         if (chdir("/home/foo") != 0) {
 457                 perror("failed to change into /home/foo");
 458                 exit(EXIT_FAILURE);
 459         }
 460
 461         test_spawn_prog(progname, args);
 462         exit(EXIT_FAILURE);
 463 }
 464 DEFINE_TEST(modprobe_module_from_relpath,
 465         .description = "check modprobe able to load module given as a relative path",
 466         .config = {
 467                 [TC_UNAME_R] = "4.4.4",
 468                 [TC_ROOTFS] = TESTSUITE_ROOTFS "test-modprobe/module-from-relpath",
 469                 [TC_INIT_MODULE_RETCODES] = "",
 470         },
 471         .need_spawn = true,
 472         .modules_loaded = "mod-simple",
 473         );
 474
 475 TESTSUITE_MAIN();