#include "common.h"
-#define TMP_DIR "tmp"
-#define BINARY_PATH "./true"
+#define TMP_DIR "tmp"
+#define BINARY_PATH "./true"
/* Paths (sibling number and depth) */
static const char dir_s1d1[] = TMP_DIR "/s1d1";
*/
static void mkdir_parents(struct __test_metadata *const _metadata,
- const char *const path)
+ const char *const path)
{
char *walker;
const char *parent;
continue;
walker[i] = '\0';
err = mkdir(parent, 0700);
- ASSERT_FALSE(err && errno != EEXIST) {
- TH_LOG("Failed to create directory \"%s\": %s",
- parent, strerror(errno));
+ ASSERT_FALSE(err && errno != EEXIST)
+ {
+ TH_LOG("Failed to create directory \"%s\": %s", parent,
+ strerror(errno));
}
walker[i] = '/';
}
}
static void create_directory(struct __test_metadata *const _metadata,
- const char *const path)
+ const char *const path)
{
mkdir_parents(_metadata, path);
- ASSERT_EQ(0, mkdir(path, 0700)) {
+ ASSERT_EQ(0, mkdir(path, 0700))
+ {
TH_LOG("Failed to create directory \"%s\": %s", path,
- strerror(errno));
+ strerror(errno));
}
}
static void create_file(struct __test_metadata *const _metadata,
- const char *const path)
+ const char *const path)
{
mkdir_parents(_metadata, path);
- ASSERT_EQ(0, mknod(path, S_IFREG | 0700, 0)) {
+ ASSERT_EQ(0, mknod(path, S_IFREG | 0700, 0))
+ {
TH_LOG("Failed to create file \"%s\": %s", path,
- strerror(errno));
+ strerror(errno));
}
}
* This helper enables to use the ASSERT_* macros and print the line number
* pointing to the test caller.
*/
-static int test_open_rel(const int dirfd, const char *const path, const int flags)
+static int test_open_rel(const int dirfd, const char *const path,
+ const int flags)
{
int fd;
{
struct landlock_path_beneath_attr path_beneath = {
.allowed_access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
.parent_fd = -1,
};
struct landlock_ruleset_attr ruleset_attr = {
.handled_access_fs = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
};
int ruleset_fd;
- path_beneath.parent_fd = open(dir_s1d2, O_PATH | O_DIRECTORY |
- O_CLOEXEC);
+ path_beneath.parent_fd =
+ open(dir_s1d2, O_PATH | O_DIRECTORY | O_CLOEXEC);
ASSERT_LE(0, path_beneath.parent_fd);
ruleset_fd = open(dir_s1d1, O_PATH | O_DIRECTORY | O_CLOEXEC);
ASSERT_LE(0, ruleset_fd);
ASSERT_EQ(-1, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0));
+ &path_beneath, 0));
/* Returns EBADF because ruleset_fd is not a landlock-ruleset FD. */
ASSERT_EQ(EBADF, errno);
ASSERT_EQ(0, close(ruleset_fd));
ruleset_fd = open(dir_s1d1, O_DIRECTORY | O_CLOEXEC);
ASSERT_LE(0, ruleset_fd);
ASSERT_EQ(-1, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0));
+ &path_beneath, 0));
/* Returns EBADFD because ruleset_fd is not a valid ruleset. */
ASSERT_EQ(EBADFD, errno);
ASSERT_EQ(0, close(ruleset_fd));
/* Gets a real ruleset. */
- ruleset_fd = landlock_create_ruleset(&ruleset_attr,
- sizeof(ruleset_attr), 0);
+ ruleset_fd =
+ landlock_create_ruleset(&ruleset_attr, sizeof(ruleset_attr), 0);
ASSERT_LE(0, ruleset_fd);
ASSERT_EQ(0, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0));
+ &path_beneath, 0));
ASSERT_EQ(0, close(path_beneath.parent_fd));
/* Tests without O_PATH. */
path_beneath.parent_fd = open(dir_s1d2, O_DIRECTORY | O_CLOEXEC);
ASSERT_LE(0, path_beneath.parent_fd);
ASSERT_EQ(0, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0));
+ &path_beneath, 0));
ASSERT_EQ(0, close(path_beneath.parent_fd));
/* Tests with a ruleset FD. */
path_beneath.parent_fd = ruleset_fd;
ASSERT_EQ(-1, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0));
+ &path_beneath, 0));
ASSERT_EQ(EBADFD, errno);
/* Checks unhandled allowed_access. */
- path_beneath.parent_fd = open(dir_s1d2, O_PATH | O_DIRECTORY |
- O_CLOEXEC);
+ path_beneath.parent_fd =
+ open(dir_s1d2, O_PATH | O_DIRECTORY | O_CLOEXEC);
ASSERT_LE(0, path_beneath.parent_fd);
/* Test with legitimate values. */
path_beneath.allowed_access |= LANDLOCK_ACCESS_FS_EXECUTE;
ASSERT_EQ(-1, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0));
+ &path_beneath, 0));
ASSERT_EQ(EINVAL, errno);
path_beneath.allowed_access &= ~LANDLOCK_ACCESS_FS_EXECUTE;
/* Test with unknown (64-bits) value. */
path_beneath.allowed_access |= (1ULL << 60);
ASSERT_EQ(-1, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0));
+ &path_beneath, 0));
ASSERT_EQ(EINVAL, errno);
path_beneath.allowed_access &= ~(1ULL << 60);
/* Test with no access. */
path_beneath.allowed_access = 0;
ASSERT_EQ(-1, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0));
+ &path_beneath, 0));
ASSERT_EQ(ENOMSG, errno);
path_beneath.allowed_access &= ~(1ULL << 60);
struct landlock_ruleset_attr ruleset_attr = {
.handled_access_fs = ACCESS_ALL,
};
- const int ruleset_fd = landlock_create_ruleset(&ruleset_attr,
- sizeof(ruleset_attr), 0);
+ const int ruleset_fd =
+ landlock_create_ruleset(&ruleset_attr, sizeof(ruleset_attr), 0);
ASSERT_LE(0, ruleset_fd);
for (access = 1; access <= ACCESS_LAST; access <<= 1) {
path_beneath.allowed_access = access;
err = landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0);
+ &path_beneath, 0);
if ((access | ACCESS_FILE) == ACCESS_FILE) {
ASSERT_EQ(0, err);
} else {
}
static void add_path_beneath(struct __test_metadata *const _metadata,
- const int ruleset_fd, const __u64 allowed_access,
- const char *const path)
+ const int ruleset_fd, const __u64 allowed_access,
+ const char *const path)
{
struct landlock_path_beneath_attr path_beneath = {
.allowed_access = allowed_access,
};
path_beneath.parent_fd = open(path, O_PATH | O_CLOEXEC);
- ASSERT_LE(0, path_beneath.parent_fd) {
+ ASSERT_LE(0, path_beneath.parent_fd)
+ {
TH_LOG("Failed to open directory \"%s\": %s", path,
- strerror(errno));
+ strerror(errno));
}
ASSERT_EQ(0, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0)) {
+ &path_beneath, 0))
+ {
TH_LOG("Failed to update the ruleset with \"%s\": %s", path,
- strerror(errno));
+ strerror(errno));
}
ASSERT_EQ(0, close(path_beneath.parent_fd));
}
/* clang-format on */
static int create_ruleset(struct __test_metadata *const _metadata,
- const __u64 handled_access_fs, const struct rule rules[])
+ const __u64 handled_access_fs,
+ const struct rule rules[])
{
int ruleset_fd, i;
struct landlock_ruleset_attr ruleset_attr = {
.handled_access_fs = handled_access_fs,
};
- ASSERT_NE(NULL, rules) {
+ ASSERT_NE(NULL, rules)
+ {
TH_LOG("No rule list");
}
- ASSERT_NE(NULL, rules[0].path) {
+ ASSERT_NE(NULL, rules[0].path)
+ {
TH_LOG("Empty rule list");
}
- ruleset_fd = landlock_create_ruleset(&ruleset_attr,
- sizeof(ruleset_attr), 0);
- ASSERT_LE(0, ruleset_fd) {
+ ruleset_fd =
+ landlock_create_ruleset(&ruleset_attr, sizeof(ruleset_attr), 0);
+ ASSERT_LE(0, ruleset_fd)
+ {
TH_LOG("Failed to create a ruleset: %s", strerror(errno));
}
for (i = 0; rules[i].path; i++) {
add_path_beneath(_metadata, ruleset_fd, rules[i].access,
- rules[i].path);
+ rules[i].path);
}
return ruleset_fd;
}
static void enforce_ruleset(struct __test_metadata *const _metadata,
- const int ruleset_fd)
+ const int ruleset_fd)
{
ASSERT_EQ(0, prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0));
- ASSERT_EQ(0, landlock_restrict_self(ruleset_fd, 0)) {
+ ASSERT_EQ(0, landlock_restrict_self(ruleset_fd, 0))
+ {
TH_LOG("Failed to enforce ruleset: %s", strerror(errno));
}
}
{
.path = "/dev/null",
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
{},
};
struct landlock_path_beneath_attr path_beneath;
- const int ruleset_fd = create_ruleset(_metadata, rules[0].access |
- LANDLOCK_ACCESS_FS_READ_DIR, rules);
+ const int ruleset_fd = create_ruleset(
+ _metadata, rules[0].access | LANDLOCK_ACCESS_FS_READ_DIR,
+ rules);
ASSERT_LE(0, ruleset_fd);
ASSERT_EQ(0, test_open("/proc/self/ns/mnt", O_RDONLY));
* references to a ruleset.
*/
path_beneath.allowed_access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
path_beneath.parent_fd = open("/proc/self/ns/mnt", O_PATH | O_CLOEXEC);
ASSERT_LE(0, path_beneath.parent_fd);
ASSERT_EQ(-1, landlock_add_rule(ruleset_fd, LANDLOCK_RULE_PATH_BENEATH,
- &path_beneath, 0));
+ &path_beneath, 0));
ASSERT_EQ(EBADFD, errno);
ASSERT_EQ(0, close(path_beneath.parent_fd));
}
-TEST_F_FORK(layout1, unpriv) {
+TEST_F_FORK(layout1, unpriv)
+{
const struct rule rules[] = {
{
.path = dir_s1d2,
{
.path = file1_s2d2,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
{},
};
{
.path = dir_s1d2,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
{
.path = dir_s1d2,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_READ_DIR,
+ LANDLOCK_ACCESS_FS_READ_DIR,
},
{},
};
ASSERT_EQ(0, unlink(file1_s1d1));
ASSERT_EQ(0, unlink(file1_s1d2));
- ruleset_fd = create_ruleset(_metadata, LANDLOCK_ACCESS_FS_MAKE_REG,
- layer1);
+ ruleset_fd =
+ create_ruleset(_metadata, LANDLOCK_ACCESS_FS_MAKE_REG, layer1);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
ASSERT_EQ(0, unlink(file1_s1d2));
ruleset_fd = create_ruleset(_metadata, LANDLOCK_ACCESS_FS_REMOVE_FILE,
- layer2);
+ layer2);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
{
.path = dir_s1d3,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
/* ...but also denies read access via its grandparent directory. */
{
int ruleset_fd;
ruleset_fd = create_ruleset(_metadata, LANDLOCK_ACCESS_FS_READ_FILE,
- layer1_read);
+ layer1_read);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
ASSERT_EQ(EACCES, test_open(file2_s1d3, O_RDONLY));
ASSERT_EQ(0, test_open(file2_s1d3, O_WRONLY));
- ruleset_fd = create_ruleset(_metadata, LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE, layer2_read_write);
+ ruleset_fd = create_ruleset(_metadata,
+ LANDLOCK_ACCESS_FS_READ_FILE |
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
+ layer2_read_write);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
ASSERT_EQ(0, test_open(file2_s1d3, O_WRONLY));
ruleset_fd = create_ruleset(_metadata, LANDLOCK_ACCESS_FS_READ_FILE,
- layer3_read);
+ layer3_read);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
ASSERT_EQ(0, test_open(file2_s1d3, O_WRONLY));
/* This time, denies write access for the file hierarchy. */
- ruleset_fd = create_ruleset(_metadata, LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE, layer4_read_write);
+ ruleset_fd = create_ruleset(_metadata,
+ LANDLOCK_ACCESS_FS_READ_FILE |
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
+ layer4_read_write);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
ASSERT_EQ(EACCES, test_open(file2_s1d3, O_WRONLY));
ruleset_fd = create_ruleset(_metadata, LANDLOCK_ACCESS_FS_READ_FILE,
- layer5_read);
+ layer5_read);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
ASSERT_EQ(EACCES, test_open(file2_s1d3, O_RDONLY));
ruleset_fd = create_ruleset(_metadata, LANDLOCK_ACCESS_FS_EXECUTE,
- layer6_execute);
+ layer6_execute);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
ASSERT_EQ(EACCES, test_open(file2_s1d3, O_WRONLY));
ASSERT_EQ(EACCES, test_open(file2_s1d3, O_RDONLY));
- ruleset_fd = create_ruleset(_metadata, LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE, layer7_read_write);
+ ruleset_fd = create_ruleset(_metadata,
+ LANDLOCK_ACCESS_FS_READ_FILE |
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
+ layer7_read_write);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
{
.path = dir_s1d2,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_READ_DIR,
+ LANDLOCK_ACCESS_FS_READ_DIR,
},
{},
};
* ANDed with the previous ones.
*/
add_path_beneath(_metadata, ruleset_fd, LANDLOCK_ACCESS_FS_WRITE_FILE,
- dir_s1d2);
+ dir_s1d2);
/*
* According to ruleset_fd, dir_s1d2 should now have the
* LANDLOCK_ACCESS_FS_READ_FILE and LANDLOCK_ACCESS_FS_WRITE_FILE
* that there was no rule tied to it before.
*/
add_path_beneath(_metadata, ruleset_fd, LANDLOCK_ACCESS_FS_WRITE_FILE,
- dir_s1d3);
+ dir_s1d3);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
ASSERT_EQ(0, test_open(file1_s1d3, O_RDONLY));
/* Now dir_s1d2, parent of dir_s1d3, gets a new rule tied to it. */
- add_path_beneath(_metadata, ruleset_fd, LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_READ_DIR, dir_s1d2);
+ add_path_beneath(_metadata, ruleset_fd,
+ LANDLOCK_ACCESS_FS_READ_FILE |
+ LANDLOCK_ACCESS_FS_READ_DIR,
+ dir_s1d2);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(ruleset_fd));
int ruleset_fd;
/* Tests empty handled_access_fs. */
- ruleset_fd = landlock_create_ruleset(&ruleset_attr,
- sizeof(ruleset_attr), 0);
+ ruleset_fd =
+ landlock_create_ruleset(&ruleset_attr, sizeof(ruleset_attr), 0);
ASSERT_LE(-1, ruleset_fd);
ASSERT_EQ(ENOMSG, errno);
/* Enforces policy which deny read access to all files. */
ruleset_attr.handled_access_fs = LANDLOCK_ACCESS_FS_READ_FILE;
- ruleset_fd = landlock_create_ruleset(&ruleset_attr,
- sizeof(ruleset_attr), 0);
+ ruleset_fd =
+ landlock_create_ruleset(&ruleset_attr, sizeof(ruleset_attr), 0);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(EACCES, test_open(file1_s1d1, O_RDONLY));
/* Nests a policy which deny read access to all directories. */
ruleset_attr.handled_access_fs = LANDLOCK_ACCESS_FS_READ_DIR;
- ruleset_fd = landlock_create_ruleset(&ruleset_attr,
- sizeof(ruleset_attr), 0);
+ ruleset_fd =
+ landlock_create_ruleset(&ruleset_attr, sizeof(ruleset_attr), 0);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(EACCES, test_open(file1_s1d1, O_RDONLY));
int ruleset_fd;
set_cap(_metadata, CAP_SYS_ADMIN);
- ASSERT_EQ(0, syscall(SYS_pivot_root, dir_s3d2, dir_s3d3)) {
+ ASSERT_EQ(0, syscall(SYS_pivot_root, dir_s3d2, dir_s3d3))
+ {
TH_LOG("Failed to pivot root: %s", strerror(errno));
};
ASSERT_EQ(0, chdir("/"));
set_cap(_metadata, CAP_SYS_ADMIN);
ASSERT_EQ(0, syscall(SYS_move_mount, AT_FDCWD, dir_s3d2, AT_FDCWD,
- dir_s1d2, 0)) {
+ dir_s1d2, 0))
+ {
TH_LOG("Failed to move mount: %s", strerror(errno));
}
ASSERT_EQ(0, syscall(SYS_move_mount, AT_FDCWD, dir_s1d2, AT_FDCWD,
- dir_s3d2, 0));
+ dir_s3d2, 0));
clear_cap(_metadata, CAP_SYS_ADMIN);
enforce_ruleset(_metadata, ruleset_fd);
set_cap(_metadata, CAP_SYS_ADMIN);
ASSERT_EQ(-1, syscall(SYS_move_mount, AT_FDCWD, dir_s3d2, AT_FDCWD,
- dir_s1d2, 0));
+ dir_s1d2, 0));
ASSERT_EQ(EPERM, errno);
clear_cap(_metadata, CAP_SYS_ADMIN);
}
};
static void test_relative_path(struct __test_metadata *const _metadata,
- const enum relative_access rel)
+ const enum relative_access rel)
{
/*
* Common layer to check that chroot doesn't ignore it (i.e. a chroot
break;
case REL_CHROOT_ONLY:
/* Do chroot into dir_s1d2 (relative to dir_s2d2). */
- ASSERT_EQ(0, chroot("../../s1d1/s1d2")) {
+ ASSERT_EQ(0, chroot("../../s1d1/s1d2"))
+ {
TH_LOG("Failed to chroot: %s", strerror(errno));
}
dirfd = AT_FDCWD;
break;
case REL_CHROOT_CHDIR:
/* Do chroot into dir_s1d2. */
- ASSERT_EQ(0, chroot(".")) {
+ ASSERT_EQ(0, chroot("."))
+ {
TH_LOG("Failed to chroot: %s", strerror(errno));
}
dirfd = AT_FDCWD;
}
ASSERT_EQ((rel == REL_CHROOT_CHDIR) ? 0 : EACCES,
- test_open_rel(dirfd, "..", O_RDONLY));
+ test_open_rel(dirfd, "..", O_RDONLY));
ASSERT_EQ(0, test_open_rel(dirfd, ".", O_RDONLY));
if (rel == REL_CHROOT_ONLY) {
if (rel != REL_CHROOT_CHDIR) {
ASSERT_EQ(EACCES, test_open_rel(dirfd, "../../s1d1", O_RDONLY));
ASSERT_EQ(0, test_open_rel(dirfd, "../../s1d1/s1d2", O_RDONLY));
- ASSERT_EQ(0, test_open_rel(dirfd, "../../s1d1/s1d2/s1d3", O_RDONLY));
+ ASSERT_EQ(0, test_open_rel(dirfd, "../../s1d1/s1d2/s1d3",
+ O_RDONLY));
ASSERT_EQ(EACCES, test_open_rel(dirfd, "../../s2d1", O_RDONLY));
ASSERT_EQ(0, test_open_rel(dirfd, "../../s2d1/s2d2", O_RDONLY));
- ASSERT_EQ(0, test_open_rel(dirfd, "../../s2d1/s2d2/s2d3", O_RDONLY));
+ ASSERT_EQ(0, test_open_rel(dirfd, "../../s2d1/s2d2/s2d3",
+ O_RDONLY));
}
if (rel == REL_OPEN)
}
static void copy_binary(struct __test_metadata *const _metadata,
- const char *const dst_path)
+ const char *const dst_path)
{
int dst_fd, src_fd;
struct stat statbuf;
dst_fd = open(dst_path, O_WRONLY | O_TRUNC | O_CLOEXEC);
- ASSERT_LE(0, dst_fd) {
- TH_LOG("Failed to open \"%s\": %s", dst_path,
- strerror(errno));
+ ASSERT_LE(0, dst_fd)
+ {
+ TH_LOG("Failed to open \"%s\": %s", dst_path, strerror(errno));
}
src_fd = open(BINARY_PATH, O_RDONLY | O_CLOEXEC);
- ASSERT_LE(0, src_fd) {
+ ASSERT_LE(0, src_fd)
+ {
TH_LOG("Failed to open \"" BINARY_PATH "\": %s",
- strerror(errno));
+ strerror(errno));
}
ASSERT_EQ(0, fstat(src_fd, &statbuf));
- ASSERT_EQ(statbuf.st_size, sendfile(dst_fd, src_fd, 0,
- statbuf.st_size));
+ ASSERT_EQ(statbuf.st_size,
+ sendfile(dst_fd, src_fd, 0, statbuf.st_size));
ASSERT_EQ(0, close(src_fd));
ASSERT_EQ(0, close(dst_fd));
}
-static void test_execute(struct __test_metadata *const _metadata,
- const int err, const char *const path)
+static void test_execute(struct __test_metadata *const _metadata, const int err,
+ const char *const path)
{
int status;
- char *const argv[] = {(char *)path, NULL};
+ char *const argv[] = { (char *)path, NULL };
const pid_t child = fork();
ASSERT_LE(0, child);
if (child == 0) {
- ASSERT_EQ(err ? -1 : 0, execve(path, argv, NULL)) {
+ ASSERT_EQ(err ? -1 : 0, execve(path, argv, NULL))
+ {
TH_LOG("Failed to execute \"%s\": %s", path,
- strerror(errno));
+ strerror(errno));
};
ASSERT_EQ(err, errno);
_exit(_metadata->passed ? 2 : 1);
}
ASSERT_EQ(child, waitpid(child, &status, 0));
ASSERT_EQ(1, WIFEXITED(status));
- ASSERT_EQ(err ? 2 : 0, WEXITSTATUS(status)) {
+ ASSERT_EQ(err ? 2 : 0, WEXITSTATUS(status))
+ {
TH_LOG("Unexpected return code for \"%s\": %s", path,
- strerror(errno));
+ strerror(errno));
};
}
},
{},
};
- const int ruleset_fd = create_ruleset(_metadata, rules[0].access,
- rules);
+ const int ruleset_fd =
+ create_ruleset(_metadata, rules[0].access, rules);
ASSERT_LE(0, ruleset_fd);
copy_binary(_metadata, file1_s1d1);
},
{},
};
- const int ruleset_fd = create_ruleset(_metadata, rules[0].access,
- rules);
+ const int ruleset_fd =
+ create_ruleset(_metadata, rules[0].access, rules);
ASSERT_LE(0, ruleset_fd);
},
{},
};
- const int ruleset_fd = create_ruleset(_metadata, rules[0].access,
- rules);
+ const int ruleset_fd =
+ create_ruleset(_metadata, rules[0].access, rules);
ASSERT_LE(0, ruleset_fd);
/* Exchanges and renames files with same parent. */
ASSERT_EQ(0, renameat2(AT_FDCWD, file2_s2d3, AT_FDCWD, file1_s2d3,
- RENAME_EXCHANGE));
+ RENAME_EXCHANGE));
ASSERT_EQ(0, rename(file2_s2d3, file1_s2d3));
/* Exchanges files and directories with same parent, twice. */
ASSERT_EQ(0, renameat2(AT_FDCWD, file1_s2d2, AT_FDCWD, dir_s2d3,
- RENAME_EXCHANGE));
+ RENAME_EXCHANGE));
ASSERT_EQ(0, renameat2(AT_FDCWD, file1_s2d2, AT_FDCWD, dir_s2d3,
- RENAME_EXCHANGE));
+ RENAME_EXCHANGE));
}
TEST_F_FORK(layout1, rename_dir)
},
{},
};
- const int ruleset_fd = create_ruleset(_metadata, rules[0].access,
- rules);
+ const int ruleset_fd =
+ create_ruleset(_metadata, rules[0].access, rules);
ASSERT_LE(0, ruleset_fd);
* directory removal.
*/
ASSERT_EQ(0, renameat2(AT_FDCWD, dir_s1d3, AT_FDCWD, file1_s1d2,
- RENAME_EXCHANGE));
+ RENAME_EXCHANGE));
ASSERT_EQ(0, unlink(dir_s1d3));
ASSERT_EQ(0, mkdir(dir_s1d3, 0700));
ASSERT_EQ(0, rename(file1_s1d2, dir_s1d3));
},
{},
};
- const int ruleset_fd = create_ruleset(_metadata, rules[0].access,
- rules);
+ const int ruleset_fd =
+ create_ruleset(_metadata, rules[0].access, rules);
ASSERT_LE(0, ruleset_fd);
},
{},
};
- const int ruleset_fd = create_ruleset(_metadata, rules[0].access,
- rules);
+ const int ruleset_fd =
+ create_ruleset(_metadata, rules[0].access, rules);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
}
static void test_make_file(struct __test_metadata *const _metadata,
- const __u64 access, const mode_t mode, const dev_t dev)
+ const __u64 access, const mode_t mode,
+ const dev_t dev)
{
const struct rule rules[] = {
{
ASSERT_EQ(0, unlink(file1_s1d1));
ASSERT_EQ(0, unlink(file2_s1d1));
- ASSERT_EQ(0, mknod(file2_s1d1, mode | 0400, dev)) {
- TH_LOG("Failed to make file \"%s\": %s",
- file2_s1d1, strerror(errno));
+ ASSERT_EQ(0, mknod(file2_s1d1, mode | 0400, dev))
+ {
+ TH_LOG("Failed to make file \"%s\": %s", file2_s1d1,
+ strerror(errno));
};
ASSERT_EQ(0, unlink(file1_s1d2));
ASSERT_EQ(-1, rename(file2_s1d1, file1_s1d1));
ASSERT_EQ(EACCES, errno);
- ASSERT_EQ(0, mknod(file1_s1d2, mode | 0400, dev)) {
- TH_LOG("Failed to make file \"%s\": %s",
- file1_s1d2, strerror(errno));
+ ASSERT_EQ(0, mknod(file1_s1d2, mode | 0400, dev))
+ {
+ TH_LOG("Failed to make file \"%s\": %s", file1_s1d2,
+ strerror(errno));
};
ASSERT_EQ(0, link(file1_s1d2, file2_s1d2));
ASSERT_EQ(0, unlink(file2_s1d2));
/* Creates a /dev/null device. */
set_cap(_metadata, CAP_MKNOD);
test_make_file(_metadata, LANDLOCK_ACCESS_FS_MAKE_CHAR, S_IFCHR,
- makedev(1, 3));
+ makedev(1, 3));
}
TEST_F_FORK(layout1, make_block)
/* Creates a /dev/loop0 device. */
set_cap(_metadata, CAP_MKNOD);
test_make_file(_metadata, LANDLOCK_ACCESS_FS_MAKE_BLOCK, S_IFBLK,
- makedev(7, 0));
+ makedev(7, 0));
}
TEST_F_FORK(layout1, make_reg_1)
},
{},
};
- const int ruleset_fd = create_ruleset(_metadata, rules[0].access,
- rules);
+ const int ruleset_fd =
+ create_ruleset(_metadata, rules[0].access, rules);
ASSERT_LE(0, ruleset_fd);
},
{},
};
- const int ruleset_fd = create_ruleset(_metadata, rules[0].access,
- rules);
+ const int ruleset_fd =
+ create_ruleset(_metadata, rules[0].access, rules);
ASSERT_LE(0, ruleset_fd);
}
static int open_proc_fd(struct __test_metadata *const _metadata, const int fd,
- const int open_flags)
+ const int open_flags)
{
static const char path_template[] = "/proc/self/fd/%d";
char procfd_path[sizeof(path_template) + 10];
- const int procfd_path_size = snprintf(procfd_path, sizeof(procfd_path),
- path_template, fd);
+ const int procfd_path_size =
+ snprintf(procfd_path, sizeof(procfd_path), path_template, fd);
ASSERT_LT(procfd_path_size, sizeof(procfd_path));
return open(procfd_path, open_flags);
{},
};
int reg_fd, proc_fd;
- const int ruleset_fd = create_ruleset(_metadata,
- LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE, rules);
+ const int ruleset_fd = create_ruleset(
+ _metadata,
+ LANDLOCK_ACCESS_FS_READ_FILE | LANDLOCK_ACCESS_FS_WRITE_FILE,
+ rules);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
ASSERT_EQ(0, close(proc_fd));
proc_fd = open_proc_fd(_metadata, reg_fd, O_RDWR | O_CLOEXEC);
- ASSERT_EQ(-1, proc_fd) {
- TH_LOG("Successfully opened /proc/self/fd/%d: %s",
- reg_fd, strerror(errno));
+ ASSERT_EQ(-1, proc_fd)
+ {
+ TH_LOG("Successfully opened /proc/self/fd/%d: %s", reg_fd,
+ strerror(errno));
}
ASSERT_EQ(EACCES, errno);
{
.path = dir_s1d2,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
{},
};
/* Limits read and write access to files tied to the filesystem. */
- const int ruleset_fd = create_ruleset(_metadata, rules[0].access,
- rules);
+ const int ruleset_fd =
+ create_ruleset(_metadata, rules[0].access, rules);
ASSERT_LE(0, ruleset_fd);
enforce_ruleset(_metadata, ruleset_fd);
/* Checks access to pipes through FD. */
ASSERT_EQ(0, pipe2(pipe_fds, O_CLOEXEC));
- ASSERT_EQ(1, write(pipe_fds[1], ".", 1)) {
+ ASSERT_EQ(1, write(pipe_fds[1], ".", 1))
+ {
TH_LOG("Failed to write in pipe: %s", strerror(errno));
}
ASSERT_EQ(1, read(pipe_fds[0], &buf, 1));
/* Checks write access to pipe through /proc/self/fd . */
proc_fd = open_proc_fd(_metadata, pipe_fds[1], O_WRONLY | O_CLOEXEC);
ASSERT_LE(0, proc_fd);
- ASSERT_EQ(1, write(proc_fd, ".", 1)) {
+ ASSERT_EQ(1, write(proc_fd, ".", 1))
+ {
TH_LOG("Failed to write through /proc/self/fd/%d: %s",
- pipe_fds[1], strerror(errno));
+ pipe_fds[1], strerror(errno));
}
ASSERT_EQ(0, close(proc_fd));
proc_fd = open_proc_fd(_metadata, pipe_fds[0], O_RDONLY | O_CLOEXEC);
ASSERT_LE(0, proc_fd);
buf = '\0';
- ASSERT_EQ(1, read(proc_fd, &buf, 1)) {
+ ASSERT_EQ(1, read(proc_fd, &buf, 1))
+ {
TH_LOG("Failed to read through /proc/self/fd/%d: %s",
- pipe_fds[1], strerror(errno));
+ pipe_fds[1], strerror(errno));
}
ASSERT_EQ(0, close(proc_fd));
ASSERT_EQ(EACCES, test_open(bind_file1_s1d3, O_WRONLY));
}
-#define LOWER_BASE TMP_DIR "/lower"
-#define LOWER_DATA LOWER_BASE "/data"
+#define LOWER_BASE TMP_DIR "/lower"
+#define LOWER_DATA LOWER_BASE "/data"
static const char lower_fl1[] = LOWER_DATA "/fl1";
static const char lower_dl1[] = LOWER_DATA "/dl1";
static const char lower_dl1_fl2[] = LOWER_DATA "/dl1/fl2";
NULL,
};
-#define UPPER_BASE TMP_DIR "/upper"
-#define UPPER_DATA UPPER_BASE "/data"
-#define UPPER_WORK UPPER_BASE "/work"
+#define UPPER_BASE TMP_DIR "/upper"
+#define UPPER_DATA UPPER_BASE "/data"
+#define UPPER_WORK UPPER_BASE "/work"
static const char upper_fu1[] = UPPER_DATA "/fu1";
static const char upper_du1[] = UPPER_DATA "/du1";
static const char upper_du1_fu2[] = UPPER_DATA "/du1/fu2";
NULL,
};
-#define MERGE_BASE TMP_DIR "/merge"
-#define MERGE_DATA MERGE_BASE "/data"
+#define MERGE_BASE TMP_DIR "/merge"
+#define MERGE_DATA MERGE_BASE "/data"
static const char merge_fl1[] = MERGE_DATA "/fl1";
static const char merge_dl1[] = MERGE_DATA "/dl1";
static const char merge_dl1_fl2[] = MERGE_DATA "/dl1/fl2";
NULL,
};
static const char (*merge_sub_files[])[] = {
- &merge_dl1_fl2,
- &merge_du1_fu2,
- &merge_do1_fo2,
- &merge_do1_fl3,
- &merge_do1_fu3,
- NULL,
+ &merge_dl1_fl2, &merge_du1_fu2, &merge_do1_fo2,
+ &merge_do1_fl3, &merge_do1_fu3, NULL,
};
/*
set_cap(_metadata, CAP_SYS_ADMIN);
set_cap(_metadata, CAP_DAC_OVERRIDE);
ASSERT_EQ(0, mount("overlay", MERGE_DATA, "overlay", 0,
- "lowerdir=" LOWER_DATA
- ",upperdir=" UPPER_DATA
- ",workdir=" UPPER_WORK));
+ "lowerdir=" LOWER_DATA ",upperdir=" UPPER_DATA
+ ",workdir=" UPPER_WORK));
clear_cap(_metadata, CAP_DAC_OVERRIDE);
clear_cap(_metadata, CAP_SYS_ADMIN);
}
ASSERT_EQ(0, test_open(merge_do1_fu3, O_RDONLY));
}
-#define for_each_path(path_list, path_entry, i) \
- for (i = 0, path_entry = *path_list[i]; path_list[i]; \
- path_entry = *path_list[++i])
+#define for_each_path(path_list, path_entry, i) \
+ for (i = 0, path_entry = *path_list[i]; path_list[i]; \
+ path_entry = *path_list[++i])
TEST_F_FORK(layout2_overlay, same_content_different_file)
{
{
.path = merge_dl1_fl2,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
{
.path = merge_du1_fu2,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
{
.path = merge_do1_fo2,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
{
.path = merge_do1_fl3,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
{
.path = merge_do1_fu3,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
{},
};
{
.path = MERGE_DATA,
.access = LANDLOCK_ACCESS_FS_READ_FILE |
- LANDLOCK_ACCESS_FS_WRITE_FILE,
+ LANDLOCK_ACCESS_FS_WRITE_FILE,
},
{},
};
ASSERT_EQ(EACCES, test_open(path_entry, O_WRONLY));
}
for_each_path(lower_base_directories, path_entry, i) {
- ASSERT_EQ(EACCES, test_open(path_entry, O_RDONLY | O_DIRECTORY));
+ ASSERT_EQ(EACCES,
+ test_open(path_entry, O_RDONLY | O_DIRECTORY));
}
for_each_path(lower_sub_files, path_entry, i) {
ASSERT_EQ(0, test_open(path_entry, O_RDONLY));
ASSERT_EQ(EACCES, test_open(path_entry, O_WRONLY));
}
for_each_path(upper_base_directories, path_entry, i) {
- ASSERT_EQ(EACCES, test_open(path_entry, O_RDONLY | O_DIRECTORY));
+ ASSERT_EQ(EACCES,
+ test_open(path_entry, O_RDONLY | O_DIRECTORY));
}
for_each_path(upper_sub_files, path_entry, i) {
ASSERT_EQ(0, test_open(path_entry, O_RDONLY));
ASSERT_EQ(EACCES, test_open(path_entry, O_RDWR));
}
for_each_path(merge_base_directories, path_entry, i) {
- ASSERT_EQ(EACCES, test_open(path_entry, O_RDONLY | O_DIRECTORY));
+ ASSERT_EQ(EACCES,
+ test_open(path_entry, O_RDONLY | O_DIRECTORY));
}
for_each_path(merge_sub_files, path_entry, i) {
ASSERT_EQ(0, test_open(path_entry, O_RDWR));
ASSERT_EQ(EACCES, test_open(path_entry, O_RDWR));
}
for_each_path(merge_base_directories, path_entry, i) {
- ASSERT_EQ(EACCES, test_open(path_entry, O_RDONLY | O_DIRECTORY));
+ ASSERT_EQ(EACCES,
+ test_open(path_entry, O_RDONLY | O_DIRECTORY));
}
for_each_path(merge_sub_files, path_entry, i) {
ASSERT_EQ(0, test_open(path_entry, O_RDWR));