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📄 CONTRIBUTING.md(880 B)
📄 GNUmakefile(2.22 KB)
📄 LICENSE(1.4 KB)
📄 README.md(2.7 KB)
📄 capability-fd-pair.cc(5.52 KB)
📄 capability-fd.cc(42.15 KB)
📄 capmode.cc(19.24 KB)
📄 capsicum-freebsd.h(1.97 KB)
📄 capsicum-linux.h(1.17 KB)
📄 capsicum-rights.h(2.86 KB)
📄 capsicum-test-main.cc(4.23 KB)
📄 capsicum-test.cc(2.63 KB)
📄 capsicum-test.h(9.9 KB)
📄 capsicum.h(4.49 KB)
📄 fcntl.cc(14.48 KB)
📄 fexecve.cc(6.08 KB)
📄 ioctl.cc(6.93 KB)
📄 linux.cc(48.75 KB)
📄 makefile(1.59 KB)
📄 mini-me.c(1.04 KB)
📄 mqueue.cc(3.24 KB)
📄 openat.cc(14.52 KB)
📄 overhead.cc(1.28 KB)
📄 procdesc.cc(26.95 KB)
📄 rename.cc(1.59 KB)
📄 sctp.cc(7.14 KB)
📄 select.cc(4 KB)
📄 showrights(4.81 KB)
📄 smoketest.c(4.86 KB)
📄 socket.cc(10.56 KB)
📄 syscalls.h(8.36 KB)
📄 sysctl.cc(403 B)
📄 waittest.c(1 KB)

Editing: rename.cc

#include <fcntl.h>
#include <sys/stat.h>

#include "./capsicum-test.h"

// There was a Capsicum-related regression in FreeBSD renameat,
// which affects certain cases independent of Capsicum or capability mode
//
// added to test the renameat syscall for the case that
//    - the "to" file already exists
//    - the "to" file is specified by an absolute path
//    - the "to" file descriptor is used
//          (this descriptor should be ignored if absolute path is provided)
//
// details at: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222258

const char * create_tmp_src(const char* filename) {
    const char *src_path = TmpFile(filename);
    int src_fd = open(src_path, O_CREAT|O_RDWR, 0644);
    close(src_fd);
    return src_path;
}

TEST(Rename, AbsDesignationSame) {
    const char *src_path = create_tmp_src("rename_test");
    EXPECT_OK(rename(src_path, src_path));
    unlink(src_path);
}

TEST(RenameAt, AbsDesignationSame) {
    const char *src_path = create_tmp_src("renameat_test");
    const char *dir_path = TmpFile("renameat_test_dir");

EXPECT_OK(mkdir(dir_path, 0755));
    // random temporary directory descriptor
    int dfd = open(dir_path, O_DIRECTORY);

// Various rename from/to the same absolute path; in each case the source
    // and dest directory FDs should be irrelevant.
    EXPECT_OK(renameat(AT_FDCWD, src_path, AT_FDCWD, src_path));
    EXPECT_OK(renameat(AT_FDCWD, src_path, dfd, src_path));
    EXPECT_OK(renameat(dfd, src_path, AT_FDCWD, src_path));
    EXPECT_OK(renameat(dfd, src_path, dfd, src_path));

close(dfd);
    rmdir(dir_path);
    unlink(src_path);
}

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Editing: rename.cc

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