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Diffstat (limited to 'sys/compat/cloudabi/cloudabi_fd.c')
| -rw-r--r-- | sys/compat/cloudabi/cloudabi_fd.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/sys/compat/cloudabi/cloudabi_fd.c b/sys/compat/cloudabi/cloudabi_fd.c index 1fed2e7dcf4f..f16d66855ad4 100644 --- a/sys/compat/cloudabi/cloudabi_fd.c +++ b/sys/compat/cloudabi/cloudabi_fd.c @@ -290,7 +290,7 @@ cloudabi_convert_filetype(const struct file *fp) } /* Removes rights that conflict with the file descriptor type. */ -static void +void cloudabi_remove_conflicting_rights(cloudabi_filetype_t filetype, cloudabi_rights_t *base, cloudabi_rights_t *inheriting) { @@ -499,6 +499,25 @@ cloudabi_sys_fd_stat_get(struct thread *td, return (copyout(&fsb, (void *)uap->buf, sizeof(fsb))); } +/* Converts CloudABI rights to a set of Capsicum capabilities. */ +int +cloudabi_convert_rights(cloudabi_rights_t in, cap_rights_t *out) +{ + + cap_rights_init(out); +#define MAPPING(cloudabi, ...) do { \ + if (in & (cloudabi)) { \ + cap_rights_set(out, ##__VA_ARGS__); \ + in &= ~(cloudabi); \ + } \ +} while (0); + RIGHTS_MAPPINGS +#undef MAPPING + if (in != 0) + return (ENOTCAPABLE); + return (0); +} + int cloudabi_sys_fd_stat_put(struct thread *td, struct cloudabi_sys_fd_stat_put_args *uap) |