80 lines
2.1 KiB
Diff
80 lines
2.1 KiB
Diff
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commit 55cd51d971b84fbb2cc0fe8140cc8581f98582c7
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Author: Joseph Myers <josmyers@redhat.com>
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Date: Thu Aug 22 11:25:14 2024 +0000
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Test mkdirat use of mode argument
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The test io/tst-mkdirat doesn't verify the permissions on the created
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directory (thus, doesn't verify at all anything about how mkdirat uses
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the mode argument). Add checks of this to the existing test.
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Tested for x86_64.
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diff --git a/io/tst-mkdirat.c b/io/tst-mkdirat.c
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index 605e51ef1e966b42..b97bc3ca6d0cdf23 100644
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--- a/io/tst-mkdirat.c
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+++ b/io/tst-mkdirat.c
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@@ -53,6 +53,10 @@ prepare (void)
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static int
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do_test (void)
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{
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+ /* Find the current umask. */
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+ mode_t mask = umask (022);
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+ umask (mask);
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+
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/* fdopendir takes over the descriptor, make a copy. */
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int dupfd = dup (dir_fd);
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if (dupfd == -1)
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@@ -107,6 +111,13 @@ do_test (void)
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puts ("mkdirat did not create a directory");
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return 1;
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}
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+ if ((st1.st_mode & 01777) != (~mask & 0777))
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+ {
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+ printf ("mkdirat created directory with wrong mode %o, expected %o\n",
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+ (unsigned int) (st1.st_mode & 01777),
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+ (unsigned int) (~mask & 0777));
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+ return 1;
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+ }
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dupfd = dup (dir_fd);
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if (dupfd == -1)
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@@ -156,6 +167,37 @@ do_test (void)
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return 1;
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}
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+ /* Test again with a different mode. */
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+ umask (0);
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+ e = mkdirat (dir_fd, "some-dir", 01755);
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+ umask (mask);
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+ if (e == -1)
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+ {
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+ puts ("directory creation (different mode) failed");
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+ return 1;
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+ }
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+ if (fstatat64 (dir_fd, "some-dir", &st1, 0) != 0)
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+ {
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+ puts ("fstat64 (different mode) failed");
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+ return 1;
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+ }
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+ if (!S_ISDIR (st1.st_mode))
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+ {
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+ puts ("mkdirat (different mode) did not create a directory");
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+ return 1;
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+ }
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+ if ((st1.st_mode & 01777) != 01755)
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+ {
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+ printf ("mkdirat (different mode) created directory with wrong mode %o\n",
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+ (unsigned int) (st1.st_mode & 01777));
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+ return 1;
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+ }
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+ if (unlinkat (dir_fd, "some-dir", AT_REMOVEDIR) != 0)
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+ {
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+ puts ("unlinkat (different mode) failed");
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+ return 1;
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+ }
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+
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close (dir_fd);
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return 0;
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