From c484e32c3c9a24c9ee0326b240815bbd094e87b5 Mon Sep 17 00:00:00 2001 From: Ed Maste Date: Tue, 13 Sep 2022 13:39:02 -0400 Subject: Update capsicum-test to eab7a83b05becf64439b4b256b3d756b353fbbbb --- syscalls.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/syscalls.h b/syscalls.h index 592a1677e1f1..3ea8803c2f64 100644 --- a/syscalls.h +++ b/syscalls.h @@ -47,16 +47,29 @@ inline int bogus_mount_() { /* Mappings for extended attribute functions */ #include +#include +static const char *fbsd_extattr_skip_prefix(const char *p) { + if (*p++ == 'u' && *p++ == 's' && *p++ == 'e' && *p++ == 'r' && *p++ == '.') + return p; + errno = EINVAL; + return NULL; +} inline ssize_t flistxattr_(int fd, char *list, size_t size) { return extattr_list_fd(fd, EXTATTR_NAMESPACE_USER, list, size); } inline ssize_t fgetxattr_(int fd, const char *name, void *value, size_t size) { + if (!(name = fbsd_extattr_skip_prefix(name))) + return -1; return extattr_get_fd(fd, EXTATTR_NAMESPACE_USER, name, value, size); } inline int fsetxattr_(int fd, const char *name, const void *value, size_t size, int) { + if (!(name = fbsd_extattr_skip_prefix(name))) + return -1; return extattr_set_fd(fd, EXTATTR_NAMESPACE_USER, name, value, size); } inline int fremovexattr_(int fd, const char *name) { + if (!(name = fbsd_extattr_skip_prefix(name))) + return -1; return extattr_delete_fd(fd, EXTATTR_NAMESPACE_USER, name); } -- cgit v1.3