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Signed-off-by: Stacey Son Assisted-by: Claude Opus 4.6 (1M context) Acked-by: Richard Henderson Signed-off-by: Warner Losh --- bsd-user/freebsd/os-extattr.h | 172 ++++++++++++++++++++++++++++++++++ 1 file changed, 172 insertions(+) diff --git a/bsd-user/freebsd/os-extattr.h b/bsd-user/freebsd/os-extattr.h index fb3ef27346..90f0c64c93 100644 --- a/bsd-user/freebsd/os-extattr.h +++ b/bsd-user/freebsd/os-extattr.h @@ -204,5 +204,177 @@ static inline abi_long do_freebsd_extattr_delete_fd(abi_long arg1, return ret; } +/* extattr_get_link(2) */ +static inline abi_long do_freebsd_extattr_get_link(abi_long arg1, + abi_long arg2, + abi_long arg3, + abi_long arg4, + abi_long arg5) +{ + abi_long ret; + void *p, *a, *d; + + p = lock_user_string(arg1); + if (p == NULL) { + return -TARGET_EFAULT; + } + a = lock_user_string(arg3); + if (a == NULL) { + unlock_user(p, arg1, 0); + return -TARGET_EFAULT; + } + if (arg4 && arg5 > 0) { + d = lock_user(VERIFY_WRITE, arg4, arg5, 0); + if (d == NULL) { + unlock_user(a, arg3, 0); + unlock_user(p, arg1, 0); + return -TARGET_EFAULT; + } + ret = get_errno(extattr_get_link(path(p), arg2, a, d, arg5)); + unlock_user(d, arg4, arg5); + } else { + ret = get_errno(extattr_get_link(path(p), arg2, a, NULL, arg5)); + } + unlock_user(a, arg3, 0); + unlock_user(p, arg1, 0); + + return ret; +} + +/* extattr_set_link(2) */ +static inline abi_long do_freebsd_extattr_set_link(abi_long arg1, + abi_long arg2, + abi_long arg3, + abi_long arg4, + abi_long arg5) +{ + abi_long ret; + void *p, *a, *d; + + p = lock_user_string(arg1); + if (p == NULL) { + return -TARGET_EFAULT; + } + a = lock_user_string(arg3); + if (a == NULL) { + unlock_user(p, arg1, 0); + return -TARGET_EFAULT; + } + d = lock_user(VERIFY_READ, arg4, arg5, 1); + if (d == NULL) { + unlock_user(a, arg3, 0); + unlock_user(p, arg1, 0); + return -TARGET_EFAULT; + } + ret = get_errno(extattr_set_link(path(p), arg2, a, d, arg5)); + unlock_user(d, arg4, arg5); + unlock_user(a, arg3, 0); + unlock_user(p, arg1, 0); + + return ret; +} + +/* extattr_delete_link(2) */ +static inline abi_long do_freebsd_extattr_delete_link(abi_long arg1, + abi_long arg2, + abi_long arg3) +{ + abi_long ret; + void *p, *a; + + p = lock_user_string(arg1); + if (p == NULL) { + return -TARGET_EFAULT; + } + a = lock_user_string(arg3); + if (a == NULL) { + unlock_user(p, arg1, 0); + return -TARGET_EFAULT; + } + ret = get_errno(extattr_delete_link(path(p), arg2, a)); + unlock_user(a, arg3, 0); + unlock_user(p, arg1, 0); + + return ret; +} + +/* extattr_list_fd(2) */ +static inline abi_long do_freebsd_extattr_list_fd( + abi_long arg1, abi_long arg2, abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *d; + + if (arg3 && arg4 > 0) { + d = lock_user(VERIFY_WRITE, arg3, arg4, 0); + if (d == NULL) { + return -TARGET_EFAULT; + } + ret = get_errno(extattr_list_fd(arg1, arg2, d, arg4)); + unlock_user(d, arg3, arg4); + } else { + ret = get_errno(extattr_list_fd(arg1, arg2, NULL, arg4)); + } + return ret; +} + +/* extattr_list_file(2) */ +static inline abi_long do_freebsd_extattr_list_file( + abi_long arg1, abi_long arg2, abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p, *d; + + p = lock_user_string(arg1); + if (p == NULL) { + return -TARGET_EFAULT; + } + if (arg3 && arg4 > 0) { + d = lock_user(VERIFY_WRITE, arg3, arg4, 0); + if (d == NULL) { + unlock_user(p, arg1, 0); + return -TARGET_EFAULT; + } + ret = get_errno(extattr_list_file(path(p), arg2, d, arg4)); + unlock_user(d, arg3, arg4); + } else { + ret = get_errno(extattr_list_file(path(p), arg2, NULL, arg4)); + } + unlock_user(p, arg1, 0); + + return ret; +} + +/* extattr_list_link(2) */ +static inline abi_long do_freebsd_extattr_list_link( + abi_long arg1, abi_long arg2, abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p, *d; + + p = lock_user_string(arg1); + if (p == NULL) { + return -TARGET_EFAULT; + } + if (arg3 && arg4 > 0) { + d = lock_user(VERIFY_WRITE, arg3, arg4, 0); + if (d == NULL) { + unlock_user(p, arg1, 0); + return -TARGET_EFAULT; + } + ret = get_errno(extattr_list_link(path(p), arg2, d, arg4)); + unlock_user(d, arg3, arg4); + } else { + ret = get_errno(extattr_list_link(path(p), arg2, NULL, arg4)); + } + unlock_user(p, arg1, 0); + + return ret; +} + +/* + * Access Control Lists + */ + #endif /* FREEBSD_OS_EXTATTR_H */ -- 2.55.0