src/test/test-mkdir.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include <unistd.h>
   4
   5 #include "capability-util.h"
   6 #include "fs-util.h"
   7 #include "mkdir.h"
   8 #include "path-util.h"
   9 #include "process-util.h"
  10 #include "rm-rf.h"
  11 #include "stat-util.h"
  12 #include "tests.h"
  13 #include "tmpfile-util.h"
  14 #include "user-util.h"
  15
  16 TEST(mkdir_p_safe) {
  17         _cleanup_(rm_rf_physical_and_freep) char *tmp = NULL;
  18         _cleanup_free_ char *p = NULL, *q = NULL;
  19         int r;
  20
  21         assert_se(mkdtemp_malloc("/tmp/test-mkdir-XXXXXX", &tmp) >= 0);
  22
  23         assert_se(p = path_join(tmp, "run/aaa/bbb"));
  24         assert_se(mkdir_p(p, 0755) >= 0);
  25         assert_se(is_dir(p, false) > 0);
  26         assert_se(is_dir(p, true) > 0);
  27
  28         p = mfree(p);
  29         assert_se(p = path_join(tmp, "run/ccc/ddd"));
  30         assert_se(mkdir_p_safe(tmp, p, 0755, UID_INVALID, GID_INVALID, 0) >= 0);
  31         assert_se(is_dir(p, false) > 0);
  32         assert_se(is_dir(p, true) > 0);
  33
  34         p = mfree(p);
  35         assert_se(p = path_join(tmp, "var/run"));
  36         assert_se(mkdir_parents_safe(tmp, p, 0755, UID_INVALID, GID_INVALID, 0) >= 0);
  37         assert_se(symlink("../run", p) >= 0);
  38         assert_se(is_dir(p, false) == 0);
  39         assert_se(is_dir(p, true) > 0);
  40
  41         assert_se(mkdir_safe(p, 0755, UID_INVALID, GID_INVALID, 0) == -ENOTDIR);
  42         assert_se(mkdir_safe(p, 0755, UID_INVALID, GID_INVALID, MKDIR_IGNORE_EXISTING) >= 0);
  43         assert_se(mkdir_safe(p, 0755, UID_INVALID, GID_INVALID, MKDIR_FOLLOW_SYMLINK) >= 0);
  44         assert_se(is_dir(p, false) == 0);
  45         assert_se(is_dir(p, true) > 0);
  46
  47         p = mfree(p);
  48         assert_se(p = path_join(tmp, "var/run/hoge/foo/baz"));
  49         assert_se(mkdir_p_safe(tmp, p, 0755, UID_INVALID, GID_INVALID, 0) >= 0);
  50         assert_se(is_dir(p, false) > 0);
  51         assert_se(is_dir(p, true) > 0);
  52
  53         p = mfree(p);
  54         assert_se(p = path_join(tmp, "not-exists"));
  55         assert_se(q = path_join(p, "aaa"));
  56         assert_se(mkdir_p_safe(p, q, 0755, UID_INVALID, GID_INVALID, 0) == -ENOENT);
  57
  58         p = mfree(p);
  59         q = mfree(q);
  60         assert_se(p = path_join(tmp, "regular-file"));
  61         assert_se(q = path_join(p, "aaa"));
  62         assert_se(touch(p) >= 0);
  63         assert_se(mkdir_p_safe(p, q, 0755, UID_INVALID, GID_INVALID, 0) == -ENOTDIR);
  64
  65         p = mfree(p);
  66         q = mfree(q);
  67         assert_se(p = path_join(tmp, "symlink"));
  68         assert_se(q = path_join(p, "hoge/foo"));
  69         assert_se(symlink("aaa", p) >= 0);
  70         assert_se(mkdir_p_safe(tmp, q, 0755, UID_INVALID, GID_INVALID, 0) >= 0);
  71         assert_se(is_dir(q, false) > 0);
  72         assert_se(is_dir(q, true) > 0);
  73         q = mfree(q);
  74         assert_se(q = path_join(tmp, "aaa/hoge/foo"));
  75         assert_se(is_dir(q, false) > 0);
  76         assert_se(is_dir(q, true) > 0);
  77
  78         assert_se(mkdir_p_safe(tmp, "/tmp/test-mkdir-outside", 0755, UID_INVALID, GID_INVALID, 0) == -ENOTDIR);
  79
  80         p = mfree(p);
  81         assert_se(p = path_join(tmp, "zero-mode/should-fail-to-create-child"));
  82         assert_se(mkdir_parents_safe(tmp, p, 0000, UID_INVALID, GID_INVALID, 0) >= 0);
  83         r = safe_fork("(test-mkdir-no-cap)", FORK_DEATHSIG_SIGTERM | FORK_WAIT | FORK_LOG, NULL);
  84         if (r == 0) {
  85                 (void) capability_bounding_set_drop(0, /* right_now = */ true);
  86                 assert_se(mkdir_p_safe(tmp, p, 0000, UID_INVALID, GID_INVALID, 0) == -EACCES);
  87                 _exit(EXIT_SUCCESS);
  88         }
  89         assert_se(r >= 0);
  90 }
  91
  92 TEST(mkdir_p_root) {
  93         _cleanup_(rm_rf_physical_and_freep) char *tmp = NULL;
  94         _cleanup_free_ char *p = NULL;
  95
  96         assert_se(mkdtemp_malloc("/tmp/test-mkdir-XXXXXX", &tmp) >= 0);
  97
  98         assert_se(p = path_join(tmp, "run/aaa/bbb"));
  99         assert_se(mkdir_p_root(tmp, "/run/aaa/bbb", UID_INVALID, GID_INVALID, 0755, NULL) >= 0);
 100         assert_se(is_dir(p, false) > 0);
 101         assert_se(is_dir(p, true) > 0);
 102
 103         p = mfree(p);
 104         assert_se(p = path_join(tmp, "var/run"));
 105         assert_se(mkdir_parents_safe(tmp, p, 0755, UID_INVALID, GID_INVALID, 0) >= 0);
 106         assert_se(symlink("../run", p) >= 0);
 107         assert_se(is_dir(p, false) == 0);
 108         assert_se(is_dir(p, true) > 0);
 109
 110         p = mfree(p);
 111         assert_se(p = path_join(tmp, "var/run/hoge/foo/baz"));
 112         assert_se(mkdir_p_root(tmp, "/var/run/hoge/foo/baz", UID_INVALID, GID_INVALID, 0755, NULL) >= 0);
 113         assert_se(is_dir(p, false) > 0);
 114         assert_se(is_dir(p, true) > 0);
 115
 116         p = mfree(p);
 117         assert_se(p = path_join(tmp, "not-exists"));
 118         assert_se(mkdir_p_root(p, "/aaa", UID_INVALID, GID_INVALID, 0755, NULL) == -ENOENT);
 119
 120         p = mfree(p);
 121         assert_se(p = path_join(tmp, "regular-file"));
 122         assert_se(touch(p) >= 0);
 123         assert_se(mkdir_p_root(p, "/aaa", UID_INVALID, GID_INVALID, 0755, NULL) == -ENOTDIR);
 124
 125         /* FIXME: The tests below do not work.
 126         p = mfree(p);
 127         assert_se(p = path_join(tmp, "symlink"));
 128         assert_se(symlink("aaa", p) >= 0);
 129         assert_se(mkdir_p_root(tmp, "/symlink/hoge/foo", UID_INVALID, GID_INVALID, 0755) >= 0);
 130         p = mfree(p);
 131         assert_se(p = path_join(tmp, "symlink/hoge/foo"));
 132         assert_se(is_dir(p, false) > 0);
 133         assert_se(is_dir(p, true) > 0);
 134         p = mfree(p);
 135         assert_se(p = path_join(tmp, "aaa/hoge/foo"));
 136         assert_se(is_dir(p, false) > 0);
 137         assert_se(is_dir(p, true) > 0);
 138         */
 139 }
 140
 141 DEFINE_TEST_MAIN(LOG_DEBUG);