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https://github.com/systemd/systemd
synced 2026-03-29 03:04:52 +02:00
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No commits in common. "964ccab8286a7e75d7e9107f574f5cb23752bd5d" and "2e016f3a0be2160d977ad3e5c202d5ae85ed0780" have entirely different histories.
964ccab828
...
2e016f3a0b
@ -18,7 +18,6 @@ charset = utf-8
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[*.{c,h}]
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indent_style = space
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indent_size = 8
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max_line_length = 109
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[*.sh]
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indent_style = space
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@ -31,4 +30,3 @@ indent_size = 8
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[man/*.xml]
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indent_size = 2
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indent_style = space
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max_line_length = 109
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@ -191,10 +191,10 @@ evdev:name:Elan Touchpad:dmi:*:svnASUSTeKCOMPUTERINC.:pnUX305UA:*
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# Asus UX362FA
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evdev:name:ELAN1401:00 04F3:30DC Touchpad:dmi:*:svnASUSTeKCOMPUTERINC.:pnZenBookUX362FA_UX362FA:*
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EVDEV_ABS_00=:::8
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EVDEV_ABS_01=:::8
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EVDEV_ABS_35=:::8
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EVDEV_ABS_36=:::8
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EVDEV_ABS_00=:::16
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EVDEV_ABS_01=:::16
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EVDEV_ABS_35=:::16
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EVDEV_ABS_36=:::16
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#########################################
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# Bangho
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@ -157,19 +157,6 @@ static bool filename_possibly_with_slash_suffix(const char *s) {
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return filename_is_valid(copied);
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}
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static bool is_name_to_handle_at_fatal_error(int err) {
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/* name_to_handle_at() can return "acceptable" errors that are due to the context. For
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* example the kernel does not support name_to_handle_at() at all (ENOSYS), or the syscall
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* was blocked (EACCES/EPERM; maybe through seccomp, because we are running inside of a
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* container), or the mount point is not triggered yet (EOVERFLOW, think nfs4), or some
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* general name_to_handle_at() flakiness (EINVAL). However other errors are not supposed to
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* happen and therefore are considered fatal ones. */
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assert(err < 0);
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return !IN_SET(err, -EOPNOTSUPP, -ENOSYS, -EACCES, -EPERM, -EOVERFLOW, -EINVAL);
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}
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int fd_is_mount_point(int fd, const char *filename, int flags) {
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_cleanup_free_ struct file_handle *h = NULL, *h_parent = NULL;
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int mount_id = -1, mount_id_parent = -1;
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@ -219,40 +206,39 @@ int fd_is_mount_point(int fd, const char *filename, int flags) {
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return false; /* symlinks are never mount points */
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r = name_to_handle_at_loop(fd, filename, &h, &mount_id, flags);
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if (r < 0) {
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if (is_name_to_handle_at_fatal_error(r))
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return r;
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if (r != -EOPNOTSUPP)
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goto fallback_fdinfo;
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/* This kernel or file system does not support name_to_handle_at(), hence let's see
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* if the upper fs supports it (in which case it is a mount point), otherwise fall
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* back to the traditional stat() logic */
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if (IN_SET(r, -ENOSYS, -EACCES, -EPERM, -EOVERFLOW, -EINVAL))
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/* This kernel does not support name_to_handle_at() at all (ENOSYS), or the syscall was blocked
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* (EACCES/EPERM; maybe through seccomp, because we are running inside of a container?), or the mount
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* point is not triggered yet (EOVERFLOW, think nfs4), or some general name_to_handle_at() flakiness
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* (EINVAL): fall back to simpler logic. */
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goto fallback_fdinfo;
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else if (r == -EOPNOTSUPP)
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/* This kernel or file system does not support name_to_handle_at(), hence let's see if the upper fs
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* supports it (in which case it is a mount point), otherwise fall back to the traditional stat()
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* logic */
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nosupp = true;
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}
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else if (r < 0)
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return r;
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r = name_to_handle_at_loop(fd, "", &h_parent, &mount_id_parent, AT_EMPTY_PATH);
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if (r < 0) {
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if (is_name_to_handle_at_fatal_error(r))
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return r;
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if (r != -EOPNOTSUPP)
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goto fallback_fdinfo;
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if (r == -EOPNOTSUPP) {
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if (nosupp)
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/* Both the parent and the directory can't do name_to_handle_at() */
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/* Neither parent nor child do name_to_handle_at()? We have no choice but to fall back. */
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goto fallback_fdinfo;
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else
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/* The parent can't do name_to_handle_at() but the directory we are interested in can? If so,
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* it must be a mount point. */
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return 1;
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} else if (r < 0)
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return r;
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/* The parent can't do name_to_handle_at() but the directory we are
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* interested in can? If so, it must be a mount point. */
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return 1;
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}
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/* The parent can do name_to_handle_at() but the directory we are interested in can't? If
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* so, it must be a mount point. */
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/* The parent can do name_to_handle_at() but the directory we are interested in can't? If so, it must
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* be a mount point. */
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if (nosupp)
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return 1;
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/* If the file handle for the directory we are interested in and its parent are identical,
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* we assume this is the root directory, which is a mount point. */
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/* If the file handle for the directory we are interested in and its parent are identical, we assume
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* this is the root directory, which is a mount point. */
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if (h->handle_bytes == h_parent->handle_bytes &&
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h->handle_type == h_parent->handle_type &&
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@ -352,10 +338,10 @@ int path_get_mnt_id(const char *path, int *ret) {
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}
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r = name_to_handle_at_loop(AT_FDCWD, path, NULL, ret, 0);
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if (r == 0 || is_name_to_handle_at_fatal_error(r))
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return r;
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if (IN_SET(r, -EOPNOTSUPP, -ENOSYS, -EACCES, -EPERM, -EOVERFLOW, -EINVAL)) /* kernel/fs don't support this, or seccomp blocks access, or untriggered mount, or name_to_handle_at() is flaky */
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return fd_fdinfo_mnt_id(AT_FDCWD, path, 0, ret);
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return fd_fdinfo_mnt_id(AT_FDCWD, path, 0, ret);
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return r;
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}
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bool fstype_is_network(const char *fstype) {
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@ -1789,10 +1789,6 @@ int seccomp_restrict_archs(Set *archs) {
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for (unsigned i = 0; seccomp_local_archs[i] != SECCOMP_LOCAL_ARCH_END; ++i) {
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uint32_t arch = seccomp_local_archs[i];
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/* See above comment, our "native" architecture is never blocked. */
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if (arch == seccomp_arch_native())
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continue;
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/* That architecture might have already been blocked by a previous call to seccomp_restrict_archs. */
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if (arch == SECCOMP_LOCAL_ARCH_BLOCKED)
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continue;
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@ -713,10 +713,8 @@ static void test_exec_systemcallfilter(Manager *m) {
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test(m, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED);
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test(m, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED);
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test(m, "exec-systemcallfilter-not-failing3.service", 0, CLD_EXITED);
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test(m, "exec-systemcallfilter-failing.service", SIGSYS, CLD_KILLED);
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test(m, "exec-systemcallfilter-failing2.service", SIGSYS, CLD_KILLED);
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test(m, "exec-systemcallfilter-failing3.service", SIGSYS, CLD_KILLED);
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r = find_executable("python3", NULL);
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if (r < 0) {
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@ -890,66 +890,6 @@ static void test_load_syscall_filter_set_raw(void) {
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assert_se(wait_for_terminate_and_check("syscallrawseccomp", pid, WAIT_LOG) == EXIT_SUCCESS);
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}
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static void test_native_syscalls_filtered(void) {
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pid_t pid;
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log_info("/* %s */", __func__);
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if (!is_seccomp_available()) {
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log_notice("Seccomp not available, skipping %s", __func__);
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return;
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}
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if (!have_seccomp_privs()) {
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log_notice("Not privileged, skipping %s", __func__);
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return;
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}
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pid = fork();
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assert_se(pid >= 0);
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if (pid == 0) {
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_cleanup_set_free_ Set *arch_s = NULL;
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_cleanup_hashmap_free_ Hashmap *s = NULL;
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/* Passing "native" or an empty set is equivalent, just do both here. */
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assert_se(arch_s = set_new(NULL));
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assert_se(seccomp_restrict_archs(arch_s) >= 0);
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assert_se(set_put(arch_s, SCMP_ARCH_NATIVE) >= 0);
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assert_se(seccomp_restrict_archs(arch_s) >= 0);
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assert_se(access("/", F_OK) >= 0);
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assert_se(poll(NULL, 0, 0) == 0);
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assert_se(seccomp_load_syscall_filter_set_raw(SCMP_ACT_ALLOW, NULL, scmp_act_kill_process(), true) >= 0);
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assert_se(access("/", F_OK) >= 0);
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assert_se(poll(NULL, 0, 0) == 0);
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assert_se(s = hashmap_new(NULL));
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#if defined __NR_access && __NR_access >= 0
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assert_se(hashmap_put(s, UINT32_TO_PTR(__NR_access + 1), INT_TO_PTR(-1)) >= 0);
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log_debug("has access()");
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#endif
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#if defined __NR_faccessat && __NR_faccessat >= 0
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assert_se(hashmap_put(s, UINT32_TO_PTR(__NR_faccessat + 1), INT_TO_PTR(-1)) >= 0);
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log_debug("has faccessat()");
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#endif
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#if defined __NR_faccessat2 && __NR_faccessat2 >= 0
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assert_se(hashmap_put(s, UINT32_TO_PTR(__NR_faccessat2 + 1), INT_TO_PTR(-1)) >= 0);
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log_debug("has faccessat2()");
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#endif
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assert_se(!hashmap_isempty(s));
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assert_se(seccomp_load_syscall_filter_set_raw(SCMP_ACT_ALLOW, s, SCMP_ACT_ERRNO(EUCLEAN), true) >= 0);
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assert_se(access("/", F_OK) < 0);
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assert_se(errno == EUCLEAN);
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_exit(EXIT_SUCCESS);
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}
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assert_se(wait_for_terminate_and_check("nativeseccomp", pid, WAIT_LOG) == EXIT_SUCCESS);
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}
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static void test_lock_personality(void) {
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unsigned long current;
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pid_t pid;
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@ -1231,7 +1171,6 @@ int main(int argc, char *argv[]) {
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test_memory_deny_write_execute_shmat();
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test_restrict_archs();
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test_load_syscall_filter_set_raw();
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test_native_syscalls_filtered();
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test_lock_personality();
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test_restrict_suid_sgid();
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@ -635,7 +635,7 @@ Name={}
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[Network]
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DHCP=ipv4
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IPv6AcceptRA=False
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DNSSECNegativeTrustAnchors=search.example.com
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DNSSECNegativeTrustAnchors=megasearch.net
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'''.format(self.iface))
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# create second device/dnsmasq for a .company/.lab VPN interface
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@ -681,8 +681,8 @@ DNSSECNegativeTrustAnchors=company lab
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self.assertIn(b'kettle.cantina.company: 10.241.4.4', out)
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# test general domains
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out = subprocess.check_output(['resolvectl', 'query', 'search.example.com'])
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self.assertIn(b'search.example.com: 192.168.42.1', out)
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out = subprocess.check_output(['resolvectl', 'query', 'megasearch.net'])
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self.assertIn(b'megasearch.net: 192.168.42.1', out)
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with open(self.dnsmasq_log) as f:
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general_log = f.read()
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@ -696,8 +696,8 @@ DNSSECNegativeTrustAnchors=company lab
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self.assertNotIn('.company', general_log)
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# general domains should not be sent to the VPN DNS
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self.assertRegex(general_log, 'query.*search.example.com')
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self.assertNotIn('search.example.com', vpn_log)
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self.assertRegex(general_log, 'query.*megasearch.net')
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self.assertNotIn('megasearch.net', vpn_log)
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def test_resolved_etc_hosts(self):
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'''resolved queries to /etc/hosts'''
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@ -1,9 +0,0 @@
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[Unit]
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Description=Test for SystemCallFilter
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[Service]
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ExecStart=/bin/sh -c '/bin/echo "This should not be seen"'
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Type=oneshot
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LimitCORE=0
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SystemCallArchitectures=native
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SystemCallFilter=~write open execve fexecve execveat exit_group close mmap munmap fstat DONOTEXIST
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@ -1,8 +0,0 @@
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[Unit]
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Description=Test for SystemCallFilter
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[Service]
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ExecStart=/bin/sh -c 'echo "Foo bar"'
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Type=oneshot
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SystemCallArchitectures=native
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SystemCallFilter=
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@ -4,13 +4,6 @@
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set -eux
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set -o pipefail
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ARGS=()
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if [[ -v ASAN_OPTIONS || -v UBSAN_OPTIONS ]]; then
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# If we're running under sanitizers, we need to use a less restrictive
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# profile, otherwise LSan syscall would get blocked by seccomp
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ARGS+=(--profile=trusted)
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fi
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export SYSTEMD_LOG_LEVEL=debug
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mkdir -p /run/systemd/system/systemd-portabled.service.d/
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cat <<EOF >/run/systemd/system/systemd-portabled.service.d/override.conf
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@ -18,7 +11,7 @@ cat <<EOF >/run/systemd/system/systemd-portabled.service.d/override.conf
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Environment=SYSTEMD_LOG_LEVEL=debug
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EOF
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portablectl "${ARGS[@]}" attach --now --runtime /usr/share/minimal_0.raw app0
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portablectl attach --now --runtime /usr/share/minimal_0.raw app0
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systemctl is-active app0.service
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systemctl is-active app0-foo.service
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@ -28,7 +21,7 @@ systemctl is-active app0-bar.service && exit 1
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set -e
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set -o pipefail
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portablectl "${ARGS[@]}" reattach --now --runtime /usr/share/minimal_1.raw app0
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portablectl reattach --now --runtime /usr/share/minimal_1.raw app0
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systemctl is-active app0.service
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systemctl is-active app0-bar.service
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@ -49,7 +42,7 @@ portablectl list | grep -q -F "No images."
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unsquashfs -dest /tmp/minimal_0 /usr/share/minimal_0.raw
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unsquashfs -dest /tmp/minimal_1 /usr/share/minimal_1.raw
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portablectl "${ARGS[@]}" attach --copy=symlink --now --runtime /tmp/minimal_0 app0
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portablectl attach --copy=symlink --now --runtime /tmp/minimal_0 app0
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systemctl is-active app0.service
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systemctl is-active app0-foo.service
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@ -59,7 +52,7 @@ systemctl is-active app0-bar.service && exit 1
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set -e
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set -o pipefail
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portablectl "${ARGS[@]}" reattach --now --enable --runtime /tmp/minimal_1 app0
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portablectl reattach --now --enable --runtime /tmp/minimal_1 app0
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systemctl is-active app0.service
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systemctl is-active app0-bar.service
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@ -75,21 +68,21 @@ portablectl detach --now --enable --runtime /tmp/minimal_1 app0
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portablectl list | grep -q -F "No images."
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portablectl "${ARGS[@]}" attach --now --runtime --extension /usr/share/app0.raw /usr/share/minimal_0.raw app0
|
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portablectl attach --now --runtime --extension /usr/share/app0.raw /usr/share/minimal_0.raw app0
|
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systemctl is-active app0.service
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portablectl "${ARGS[@]}" reattach --now --runtime --extension /usr/share/app0.raw /usr/share/minimal_1.raw app0
|
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portablectl reattach --now --runtime --extension /usr/share/app0.raw /usr/share/minimal_1.raw app0
|
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|
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systemctl is-active app0.service
|
||||
|
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portablectl detach --now --runtime --extension /usr/share/app0.raw /usr/share/minimal_1.raw app0
|
||||
|
||||
portablectl "${ARGS[@]}" attach --now --runtime --extension /usr/share/app1.raw /usr/share/minimal_0.raw app1
|
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portablectl attach --now --runtime --extension /usr/share/app1.raw /usr/share/minimal_0.raw app1
|
||||
|
||||
systemctl is-active app1.service
|
||||
|
||||
portablectl "${ARGS[@]}" reattach --now --runtime --extension /usr/share/app1.raw /usr/share/minimal_1.raw app1
|
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portablectl reattach --now --runtime --extension /usr/share/app1.raw /usr/share/minimal_1.raw app1
|
||||
|
||||
systemctl is-active app1.service
|
||||
|
||||
@ -102,7 +95,7 @@ mount /usr/share/app1.raw /tmp/app1
|
||||
mount /usr/share/minimal_0.raw /tmp/rootdir
|
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mount -t overlay overlay -o lowerdir=/tmp/app1:/tmp/rootdir /tmp/overlay
|
||||
|
||||
portablectl "${ARGS[@]}" attach --copy=symlink --now --runtime /tmp/overlay app1
|
||||
portablectl attach --copy=symlink --now --runtime /tmp/overlay app1
|
||||
|
||||
systemctl is-active app1.service
|
||||
|
||||
|
||||
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