50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
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#include <fcntl.h>
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#include <sys/stat.h>
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#include "./capsicum-test.h"
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// There was a Capsicum-related regression in FreeBSD renameat,
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// which affects certain cases independent of Capsicum or capability mode
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//
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// added to test the renameat syscall for the case that
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// - the "to" file already exists
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// - the "to" file is specified by an absolute path
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// - the "to" file descriptor is used
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// (this descriptor should be ignored if absolute path is provided)
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//
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// details at: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222258
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const char * create_tmp_src(const char* filename) {
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const char *src_path = TmpFile(filename);
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int src_fd = open(src_path, O_CREAT|O_RDWR, 0644);
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close(src_fd);
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return src_path;
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}
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TEST(Rename, AbsDesignationSame) {
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const char *src_path = create_tmp_src("rename_test");
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EXPECT_OK(rename(src_path, src_path));
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unlink(src_path);
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}
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TEST(RenameAt, AbsDesignationSame) {
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const char *src_path = create_tmp_src("renameat_test");
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const char *dir_path = TmpFile("renameat_test_dir");
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EXPECT_OK(mkdir(dir_path, 0755));
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// random temporary directory descriptor
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int dfd = open(dir_path, O_DIRECTORY);
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// Various rename from/to the same absolute path; in each case the source
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// and dest directory FDs should be irrelevant.
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EXPECT_OK(renameat(AT_FDCWD, src_path, AT_FDCWD, src_path));
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EXPECT_OK(renameat(AT_FDCWD, src_path, dfd, src_path));
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EXPECT_OK(renameat(dfd, src_path, AT_FDCWD, src_path));
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EXPECT_OK(renameat(dfd, src_path, dfd, src_path));
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close(dfd);
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rmdir(dir_path);
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unlink(src_path);
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}
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