6cb94cc91b
rm -rf works just fine no matter what mode bits are set (modulo file ownership and current user id). Test 43 creates a symlink to / and the chmod operation would change file permissions outside of the test directory.
133 lines
2.9 KiB
C
133 lines
2.9 KiB
C
/* Utility routines for Minix tests.
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* This is designed to be #includ'ed near the top of test programs. It is
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* self-contained except for MAX_ERRORS.
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*/
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/statvfs.h>
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int common_test_nr = -1, errct = 0, subtest;
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void cleanup(void);
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int does_fs_truncate(void);
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void e(int n);
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int name_max(char *path);
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void quit(void);
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void rm_rf_dir(int test_nr);
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void rm_rf_ppdir(int test_nr);
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void start(int test_nr);
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void start(test_nr)
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int test_nr;
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{
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char buf[64];
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int i;
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common_test_nr = test_nr;
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printf("Test %2d ", test_nr);
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fflush(stdout); /* since stdout is probably line buffered */
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sync();
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rm_rf_dir(test_nr);
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sprintf(buf, "mkdir DIR_%02d", test_nr);
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if (system(buf) != 0) {
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e(666);
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quit();
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}
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sprintf(buf, "DIR_%02d", test_nr);
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if (chdir(buf) != 0) {
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e(6666);
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quit();
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}
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for (i = 3; i < OPEN_MAX; ++i) {
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/* Close all files except stdin, stdout, and stderr */
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(void) close(i);
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}
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}
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int does_fs_truncate(void)
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{
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struct statvfs stvfs;
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int does_truncate = 0;
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char cwd[PATH_MAX]; /* Storage for path to current working dir */
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if (realpath(".", cwd) == NULL) e(7777); /* Get current working dir */
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if (statvfs(cwd, &stvfs) != 0) e(7778); /* Get FS information */
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/* Depending on how an FS handles too long file names, we have to adjust our
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* error checking. If an FS does not truncate file names, it should generate
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* an ENAMETOOLONG error when we provide too long a file name.
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*/
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if (!(stvfs.f_flag & ST_NOTRUNC)) does_truncate = 1;
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return(does_truncate);
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}
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int name_max(char *path)
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{
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struct statvfs stvfs;
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if (statvfs(path, &stvfs) != 0) e(7779);
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return(stvfs.f_namemax);
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}
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void rm_rf_dir(test_nr)
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int test_nr;
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{
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char buf[128];
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sprintf(buf, "rm -rf DIR_%02d >/dev/null 2>&1", test_nr);
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if (system(buf) != 0) printf("Warning: system(\"%s\") failed\n", buf);
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}
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void rm_rf_ppdir(test_nr)
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int test_nr;
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{
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/* Attempt to remove everything in the test directory (== the current dir). */
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char buf[128];
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sprintf(buf, "chmod 777 ../DIR_%02d/* ../DIR_%02d/*/* >/dev/null 2>&1",
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test_nr, test_nr);
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(void) system(buf);
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sprintf(buf, "rm -rf ../DIR_%02d >/dev/null 2>&1", test_nr);
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if (system(buf) != 0) printf("Warning: system(\"%s\") failed\n", buf);
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}
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void e(n)
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int n;
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{
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int err_number;
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err_number = errno; /* Store before printf can clobber it */
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if (errct == 0) printf("\n"); /* finish header */
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printf("Subtest %d, error %d, errno %d: %s\n",
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subtest, n, errno, strerror(errno));
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if (errct++ > MAX_ERROR) {
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printf("Too many errors; test aborted\n");
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cleanup();
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exit(1);
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}
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errno = err_number;
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}
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void cleanup()
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{
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if (chdir("..") == 0 && common_test_nr != -1) rm_rf_dir(common_test_nr);
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}
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void quit()
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{
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cleanup();
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if (errct == 0) {
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printf("ok\n");
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exit(0);
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} else {
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printf("%d errors\n", errct);
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exit(1);
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}
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}
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