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Merge pull request #19986 from keszybz/test-mount-util-more
Add smoke test for mount_flags_to_string()
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abfbfee36c
@ -531,7 +531,7 @@ int mode_to_inaccessible_node(
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return 0;
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}
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static int mount_flags_to_string(long unsigned flags, char **ret) {
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int mount_flags_to_string(long unsigned flags, char **ret) {
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static const struct {
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long unsigned flag;
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const char *name;
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@ -564,6 +564,8 @@ static int mount_flags_to_string(long unsigned flags, char **ret) {
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};
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_cleanup_free_ char *str = NULL;
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assert(ret);
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for (size_t i = 0; i < ELEMENTSOF(map); i++)
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if (flags & map[i].flag) {
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if (!strextend_with_separator(&str, "|", map[i].name))
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@ -89,6 +89,7 @@ int mount_option_mangle(
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char **ret_remaining_options);
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int mode_to_inaccessible_node(const char *runtime_dir, mode_t mode, char **dest);
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int mount_flags_to_string(long unsigned flags, char **ret);
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/* Useful for usage with _cleanup_(), unmounts, removes a directory and frees the pointer */
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static inline char* umount_and_rmdir_and_free(char *p) {
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@ -7,6 +7,7 @@
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#include "capability-util.h"
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#include "fd-util.h"
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#include "fileio.h"
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#include "missing_mount.h"
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#include "mount-util.h"
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#include "namespace-util.h"
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#include "path-util.h"
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@ -21,6 +22,8 @@ static void test_mount_option_mangle(void) {
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char *opts = NULL;
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unsigned long f;
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log_info("/* %s */", __func__);
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assert_se(mount_option_mangle(NULL, MS_RDONLY|MS_NOSUID, &f, &opts) == 0);
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assert_se(f == (MS_RDONLY|MS_NOSUID));
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assert_se(opts == NULL);
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@ -76,11 +79,61 @@ static void test_mount_option_mangle(void) {
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opts = mfree(opts);
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}
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static void test_mount_flags_to_string_one(unsigned long flags, const char *expected) {
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_cleanup_free_ char *x = NULL;
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int r;
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r = mount_flags_to_string(flags, &x);
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log_info("flags: %#lX → %d/\"%s\"", flags, r, strnull(x));
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assert_se(r >= 0);
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assert_se(streq(x, expected));
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}
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static void test_mount_flags_to_string(void) {
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log_info("/* %s */", __func__);
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test_mount_flags_to_string_one(0, "0");
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test_mount_flags_to_string_one(MS_RDONLY, "MS_RDONLY");
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test_mount_flags_to_string_one(MS_NOSUID, "MS_NOSUID");
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test_mount_flags_to_string_one(MS_NODEV, "MS_NODEV");
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test_mount_flags_to_string_one(MS_NOEXEC, "MS_NOEXEC");
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test_mount_flags_to_string_one(MS_SYNCHRONOUS, "MS_SYNCHRONOUS");
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test_mount_flags_to_string_one(MS_REMOUNT, "MS_REMOUNT");
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test_mount_flags_to_string_one(MS_MANDLOCK, "MS_MANDLOCK");
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test_mount_flags_to_string_one(MS_DIRSYNC, "MS_DIRSYNC");
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test_mount_flags_to_string_one(MS_NOSYMFOLLOW, "MS_NOSYMFOLLOW");
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test_mount_flags_to_string_one(MS_NOATIME, "MS_NOATIME");
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test_mount_flags_to_string_one(MS_NODIRATIME, "MS_NODIRATIME");
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test_mount_flags_to_string_one(MS_BIND, "MS_BIND");
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test_mount_flags_to_string_one(MS_MOVE, "MS_MOVE");
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test_mount_flags_to_string_one(MS_REC, "MS_REC");
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test_mount_flags_to_string_one(MS_SILENT, "MS_SILENT");
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test_mount_flags_to_string_one(MS_POSIXACL, "MS_POSIXACL");
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test_mount_flags_to_string_one(MS_UNBINDABLE, "MS_UNBINDABLE");
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test_mount_flags_to_string_one(MS_PRIVATE, "MS_PRIVATE");
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test_mount_flags_to_string_one(MS_SLAVE, "MS_SLAVE");
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test_mount_flags_to_string_one(MS_SHARED, "MS_SHARED");
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test_mount_flags_to_string_one(MS_RELATIME, "MS_RELATIME");
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test_mount_flags_to_string_one(MS_KERNMOUNT, "MS_KERNMOUNT");
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test_mount_flags_to_string_one(MS_I_VERSION, "MS_I_VERSION");
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test_mount_flags_to_string_one(MS_STRICTATIME, "MS_STRICTATIME");
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test_mount_flags_to_string_one(MS_LAZYTIME, "MS_LAZYTIME");
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test_mount_flags_to_string_one(MS_LAZYTIME|MS_STRICTATIME, "MS_STRICTATIME|MS_LAZYTIME");
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test_mount_flags_to_string_one(UINT_MAX,
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"MS_RDONLY|MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|"
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"MS_MANDLOCK|MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_NODIRATIME|"
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"MS_BIND|MS_MOVE|MS_REC|MS_SILENT|MS_POSIXACL|MS_UNBINDABLE|"
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"MS_PRIVATE|MS_SLAVE|MS_SHARED|MS_RELATIME|MS_KERNMOUNT|"
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"MS_I_VERSION|MS_STRICTATIME|MS_LAZYTIME|fc000200");
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}
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static void test_bind_remount_recursive(void) {
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_cleanup_(rm_rf_physical_and_freep) char *tmp = NULL;
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_cleanup_free_ char *subdir = NULL;
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const char *p;
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log_info("/* %s */", __func__);
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if (geteuid() != 0 || have_effective_cap(CAP_SYS_ADMIN) <= 0) {
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(void) log_tests_skipped("not running privileged");
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return;
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@ -134,6 +187,8 @@ static void test_bind_remount_recursive(void) {
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static void test_bind_remount_one(void) {
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pid_t pid;
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log_info("/* %s */", __func__);
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if (geteuid() != 0 || have_effective_cap(CAP_SYS_ADMIN) <= 0) {
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(void) log_tests_skipped("not running privileged");
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return;
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@ -166,6 +221,7 @@ int main(int argc, char *argv[]) {
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test_setup_logging(LOG_DEBUG);
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test_mount_option_mangle();
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test_mount_flags_to_string();
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test_bind_remount_recursive();
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test_bind_remount_one();
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