Lines Matching refs:fd
39 int r, fd; in mfd_assert_new() local
41 fd = sys_memfd_create(name, flags); in mfd_assert_new()
42 if (fd < 0) { in mfd_assert_new()
48 r = ftruncate(fd, sz); in mfd_assert_new()
54 return fd; in mfd_assert_new()
59 int r, fd; in mfd_assert_reopen_fd() local
64 fd = open(path, O_RDWR); in mfd_assert_reopen_fd()
65 if (fd < 0) { in mfd_assert_reopen_fd()
70 return fd; in mfd_assert_reopen_fd()
86 static unsigned int mfd_assert_get_seals(int fd) in mfd_assert_get_seals() argument
90 r = fcntl(fd, F_GET_SEALS); in mfd_assert_get_seals()
92 printf("GET_SEALS(%d) failed: %m\n", fd); in mfd_assert_get_seals()
99 static void mfd_assert_has_seals(int fd, unsigned int seals) in mfd_assert_has_seals() argument
103 s = mfd_assert_get_seals(fd); in mfd_assert_has_seals()
105 printf("%u != %u = GET_SEALS(%d)\n", seals, s, fd); in mfd_assert_has_seals()
110 static void mfd_assert_add_seals(int fd, unsigned int seals) in mfd_assert_add_seals() argument
115 s = mfd_assert_get_seals(fd); in mfd_assert_add_seals()
116 r = fcntl(fd, F_ADD_SEALS, seals); in mfd_assert_add_seals()
118 printf("ADD_SEALS(%d, %u -> %u) failed: %m\n", fd, s, seals); in mfd_assert_add_seals()
123 static void mfd_fail_add_seals(int fd, unsigned int seals) in mfd_fail_add_seals() argument
128 r = fcntl(fd, F_GET_SEALS); in mfd_fail_add_seals()
134 r = fcntl(fd, F_ADD_SEALS, seals); in mfd_fail_add_seals()
137 fd, s, seals); in mfd_fail_add_seals()
142 static void mfd_assert_size(int fd, size_t size) in mfd_assert_size() argument
147 r = fstat(fd, &st); in mfd_assert_size()
149 printf("fstat(%d) failed: %m\n", fd); in mfd_assert_size()
158 static int mfd_assert_dup(int fd) in mfd_assert_dup() argument
162 r = dup(fd); in mfd_assert_dup()
164 printf("dup(%d) failed: %m\n", fd); in mfd_assert_dup()
171 static void *mfd_assert_mmap_shared(int fd) in mfd_assert_mmap_shared() argument
179 fd, in mfd_assert_mmap_shared()
189 static void *mfd_assert_mmap_private(int fd) in mfd_assert_mmap_private() argument
197 fd, in mfd_assert_mmap_private()
207 static int mfd_assert_open(int fd, int flags, mode_t mode) in mfd_assert_open() argument
212 sprintf(buf, "/proc/self/fd/%d", fd); in mfd_assert_open()
222 static void mfd_fail_open(int fd, int flags, mode_t mode) in mfd_fail_open() argument
227 sprintf(buf, "/proc/self/fd/%d", fd); in mfd_fail_open()
235 static void mfd_assert_read(int fd) in mfd_assert_read() argument
241 l = read(fd, buf, sizeof(buf)); in mfd_assert_read()
252 fd, in mfd_assert_read()
265 fd, in mfd_assert_read()
275 static void mfd_assert_read_shared(int fd) in mfd_assert_read_shared() argument
284 fd, in mfd_assert_read_shared()
293 static void mfd_assert_write(int fd) in mfd_assert_write() argument
305 l = write(fd, "\0\0\0\0", 4); in mfd_assert_write()
317 fd, in mfd_assert_write()
331 fd, in mfd_assert_write()
346 fd, in mfd_assert_write()
363 r = fallocate(fd, in mfd_assert_write()
373 static void mfd_fail_write(int fd) in mfd_fail_write() argument
380 l = write(fd, "data", 4); in mfd_fail_write()
391 fd, in mfd_fail_write()
403 fd, in mfd_fail_write()
416 fd, in mfd_fail_write()
427 r = fallocate(fd, in mfd_fail_write()
437 static void mfd_assert_shrink(int fd) in mfd_assert_shrink() argument
441 r = ftruncate(fd, mfd_def_size / 2); in mfd_assert_shrink()
447 mfd_assert_size(fd, mfd_def_size / 2); in mfd_assert_shrink()
449 fd2 = mfd_assert_open(fd, in mfd_assert_shrink()
454 mfd_assert_size(fd, 0); in mfd_assert_shrink()
457 static void mfd_fail_shrink(int fd) in mfd_fail_shrink() argument
461 r = ftruncate(fd, mfd_def_size / 2); in mfd_fail_shrink()
467 mfd_fail_open(fd, in mfd_fail_shrink()
472 static void mfd_assert_grow(int fd) in mfd_assert_grow() argument
476 r = ftruncate(fd, mfd_def_size * 2); in mfd_assert_grow()
482 mfd_assert_size(fd, mfd_def_size * 2); in mfd_assert_grow()
484 r = fallocate(fd, in mfd_assert_grow()
493 mfd_assert_size(fd, mfd_def_size * 4); in mfd_assert_grow()
496 static void mfd_fail_grow(int fd) in mfd_fail_grow() argument
500 r = ftruncate(fd, mfd_def_size * 2); in mfd_fail_grow()
506 r = fallocate(fd, in mfd_fail_grow()
516 static void mfd_assert_grow_write(int fd) in mfd_assert_grow_write() argument
531 l = pwrite(fd, buf, mfd_def_size * 8, 0); in mfd_assert_grow_write()
537 mfd_assert_size(fd, mfd_def_size * 8); in mfd_assert_grow_write()
540 static void mfd_fail_grow_write(int fd) in mfd_fail_grow_write() argument
555 l = pwrite(fd, buf, mfd_def_size * 8, 0); in mfd_fail_grow_write()
612 int fd; in test_create() local
629 fd = mfd_assert_new("", 0, 0); in test_create()
630 close(fd); in test_create()
640 fd = mfd_assert_new("", 0, MFD_CLOEXEC); in test_create()
641 close(fd); in test_create()
644 fd = mfd_assert_new("", 0, MFD_ALLOW_SEALING); in test_create()
645 close(fd); in test_create()
648 fd = mfd_assert_new("", 0, MFD_ALLOW_SEALING | MFD_CLOEXEC); in test_create()
649 close(fd); in test_create()
658 int fd; in test_basic() local
662 fd = mfd_assert_new("kern_memfd_basic", in test_basic()
667 mfd_assert_has_seals(fd, 0); in test_basic()
668 mfd_assert_add_seals(fd, F_SEAL_SHRINK | in test_basic()
670 mfd_assert_has_seals(fd, F_SEAL_SHRINK | in test_basic()
674 mfd_assert_add_seals(fd, F_SEAL_SHRINK | in test_basic()
676 mfd_assert_has_seals(fd, F_SEAL_SHRINK | in test_basic()
680 mfd_assert_add_seals(fd, F_SEAL_GROW | F_SEAL_SEAL); in test_basic()
681 mfd_assert_has_seals(fd, F_SEAL_SHRINK | in test_basic()
687 mfd_fail_add_seals(fd, F_SEAL_GROW); in test_basic()
688 mfd_fail_add_seals(fd, 0); in test_basic()
690 close(fd); in test_basic()
693 fd = mfd_assert_new("kern_memfd_basic", in test_basic()
696 mfd_assert_has_seals(fd, F_SEAL_SEAL); in test_basic()
697 mfd_fail_add_seals(fd, F_SEAL_SHRINK | in test_basic()
700 mfd_assert_has_seals(fd, F_SEAL_SEAL); in test_basic()
701 close(fd); in test_basic()
710 int fd; in test_seal_write() local
714 fd = mfd_assert_new("kern_memfd_seal_write", in test_seal_write()
717 mfd_assert_has_seals(fd, 0); in test_seal_write()
718 mfd_assert_add_seals(fd, F_SEAL_WRITE); in test_seal_write()
719 mfd_assert_has_seals(fd, F_SEAL_WRITE); in test_seal_write()
721 mfd_assert_read(fd); in test_seal_write()
722 mfd_fail_write(fd); in test_seal_write()
723 mfd_assert_shrink(fd); in test_seal_write()
724 mfd_assert_grow(fd); in test_seal_write()
725 mfd_fail_grow_write(fd); in test_seal_write()
727 close(fd); in test_seal_write()
736 int fd, fd2; in test_seal_future_write() local
741 fd = mfd_assert_new("kern_memfd_seal_future_write", in test_seal_future_write()
745 p = mfd_assert_mmap_shared(fd); in test_seal_future_write()
747 mfd_assert_has_seals(fd, 0); in test_seal_future_write()
749 mfd_assert_add_seals(fd, F_SEAL_FUTURE_WRITE); in test_seal_future_write()
750 mfd_assert_has_seals(fd, F_SEAL_FUTURE_WRITE); in test_seal_future_write()
753 mfd_assert_read(fd); in test_seal_future_write()
754 mfd_assert_read_shared(fd); in test_seal_future_write()
755 mfd_fail_write(fd); in test_seal_future_write()
757 fd2 = mfd_assert_reopen_fd(fd); in test_seal_future_write()
765 close(fd); in test_seal_future_write()
774 int fd; in test_seal_shrink() local
778 fd = mfd_assert_new("kern_memfd_seal_shrink", in test_seal_shrink()
781 mfd_assert_has_seals(fd, 0); in test_seal_shrink()
782 mfd_assert_add_seals(fd, F_SEAL_SHRINK); in test_seal_shrink()
783 mfd_assert_has_seals(fd, F_SEAL_SHRINK); in test_seal_shrink()
785 mfd_assert_read(fd); in test_seal_shrink()
786 mfd_assert_write(fd); in test_seal_shrink()
787 mfd_fail_shrink(fd); in test_seal_shrink()
788 mfd_assert_grow(fd); in test_seal_shrink()
789 mfd_assert_grow_write(fd); in test_seal_shrink()
791 close(fd); in test_seal_shrink()
800 int fd; in test_seal_grow() local
804 fd = mfd_assert_new("kern_memfd_seal_grow", in test_seal_grow()
807 mfd_assert_has_seals(fd, 0); in test_seal_grow()
808 mfd_assert_add_seals(fd, F_SEAL_GROW); in test_seal_grow()
809 mfd_assert_has_seals(fd, F_SEAL_GROW); in test_seal_grow()
811 mfd_assert_read(fd); in test_seal_grow()
812 mfd_assert_write(fd); in test_seal_grow()
813 mfd_assert_shrink(fd); in test_seal_grow()
814 mfd_fail_grow(fd); in test_seal_grow()
815 mfd_fail_grow_write(fd); in test_seal_grow()
817 close(fd); in test_seal_grow()
826 int fd; in test_seal_resize() local
830 fd = mfd_assert_new("kern_memfd_seal_resize", in test_seal_resize()
833 mfd_assert_has_seals(fd, 0); in test_seal_resize()
834 mfd_assert_add_seals(fd, F_SEAL_SHRINK | F_SEAL_GROW); in test_seal_resize()
835 mfd_assert_has_seals(fd, F_SEAL_SHRINK | F_SEAL_GROW); in test_seal_resize()
837 mfd_assert_read(fd); in test_seal_resize()
838 mfd_assert_write(fd); in test_seal_resize()
839 mfd_fail_shrink(fd); in test_seal_resize()
840 mfd_fail_grow(fd); in test_seal_resize()
841 mfd_fail_grow_write(fd); in test_seal_resize()
843 close(fd); in test_seal_resize()
852 int fd, fd2; in test_share_dup() local
856 fd = mfd_assert_new("kern_memfd_share_dup", in test_share_dup()
859 mfd_assert_has_seals(fd, 0); in test_share_dup()
861 fd2 = mfd_assert_dup(fd); in test_share_dup()
864 mfd_assert_add_seals(fd, F_SEAL_WRITE); in test_share_dup()
865 mfd_assert_has_seals(fd, F_SEAL_WRITE); in test_share_dup()
869 mfd_assert_has_seals(fd, F_SEAL_WRITE | F_SEAL_SHRINK); in test_share_dup()
872 mfd_assert_add_seals(fd, F_SEAL_SEAL); in test_share_dup()
873 mfd_assert_has_seals(fd, F_SEAL_WRITE | F_SEAL_SHRINK | F_SEAL_SEAL); in test_share_dup()
876 mfd_fail_add_seals(fd, F_SEAL_GROW); in test_share_dup()
878 mfd_fail_add_seals(fd, F_SEAL_SEAL); in test_share_dup()
883 mfd_fail_add_seals(fd, F_SEAL_GROW); in test_share_dup()
884 close(fd); in test_share_dup()
893 int fd; in test_share_mmap() local
898 fd = mfd_assert_new("kern_memfd_share_mmap", in test_share_mmap()
901 mfd_assert_has_seals(fd, 0); in test_share_mmap()
904 p = mfd_assert_mmap_shared(fd); in test_share_mmap()
905 mfd_fail_add_seals(fd, F_SEAL_WRITE); in test_share_mmap()
906 mfd_assert_has_seals(fd, 0); in test_share_mmap()
907 mfd_assert_add_seals(fd, F_SEAL_SHRINK); in test_share_mmap()
908 mfd_assert_has_seals(fd, F_SEAL_SHRINK); in test_share_mmap()
912 p = mfd_assert_mmap_private(fd); in test_share_mmap()
913 mfd_assert_add_seals(fd, F_SEAL_WRITE); in test_share_mmap()
914 mfd_assert_has_seals(fd, F_SEAL_WRITE | F_SEAL_SHRINK); in test_share_mmap()
917 close(fd); in test_share_mmap()
928 int fd, fd2; in test_share_open() local
932 fd = mfd_assert_new("kern_memfd_share_open", in test_share_open()
935 mfd_assert_has_seals(fd, 0); in test_share_open()
937 fd2 = mfd_assert_open(fd, O_RDWR, 0); in test_share_open()
938 mfd_assert_add_seals(fd, F_SEAL_WRITE); in test_share_open()
939 mfd_assert_has_seals(fd, F_SEAL_WRITE); in test_share_open()
943 mfd_assert_has_seals(fd, F_SEAL_WRITE | F_SEAL_SHRINK); in test_share_open()
946 close(fd); in test_share_open()
947 fd = mfd_assert_open(fd2, O_RDONLY, 0); in test_share_open()
949 mfd_fail_add_seals(fd, F_SEAL_SEAL); in test_share_open()
950 mfd_assert_has_seals(fd, F_SEAL_WRITE | F_SEAL_SHRINK); in test_share_open()
954 fd2 = mfd_assert_open(fd, O_RDWR, 0); in test_share_open()
957 mfd_assert_has_seals(fd, F_SEAL_WRITE | F_SEAL_SHRINK | F_SEAL_SEAL); in test_share_open()
961 close(fd); in test_share_open()
970 int fd; in test_share_fork() local
975 fd = mfd_assert_new("kern_memfd_share_fork", in test_share_fork()
978 mfd_assert_has_seals(fd, 0); in test_share_fork()
981 mfd_assert_add_seals(fd, F_SEAL_SEAL); in test_share_fork()
982 mfd_assert_has_seals(fd, F_SEAL_SEAL); in test_share_fork()
984 mfd_fail_add_seals(fd, F_SEAL_WRITE); in test_share_fork()
985 mfd_assert_has_seals(fd, F_SEAL_SEAL); in test_share_fork()
989 mfd_fail_add_seals(fd, F_SEAL_WRITE); in test_share_fork()
990 mfd_assert_has_seals(fd, F_SEAL_SEAL); in test_share_fork()
992 close(fd); in test_share_fork()