diff options
Diffstat (limited to 'sys/compat/linux')
-rw-r--r-- | sys/compat/linux/linux_fork.c | 12 | ||||
-rw-r--r-- | sys/compat/linux/linux_misc.c | 31 | ||||
-rw-r--r-- | sys/compat/linux/linux_socket.c | 63 | ||||
-rw-r--r-- | sys/compat/linux/linux_socket.h | 25 | ||||
-rw-r--r-- | sys/compat/linux/linux_stats.c | 59 |
5 files changed, 166 insertions, 24 deletions
diff --git a/sys/compat/linux/linux_fork.c b/sys/compat/linux/linux_fork.c index 9e7c71f..f96559c 100644 --- a/sys/compat/linux/linux_fork.c +++ b/sys/compat/linux/linux_fork.c @@ -213,6 +213,18 @@ linux_clone_proc(struct thread *td, struct linux_clone_args *args) if (args->flags & LINUX_CLONE_SETTLS) linux_set_cloned_tls(td2, args->tls); + /* + * If CLONE_PARENT is set, then the parent of the new process will be + * the same as that of the calling process. + */ + if (args->flags & LINUX_CLONE_PARENT) { + sx_xlock(&proctree_lock); + PROC_LOCK(p2); + proc_reparent(p2, td->td_proc->p_pptr); + PROC_UNLOCK(p2); + sx_xunlock(&proctree_lock); + } + #ifdef DEBUG if (ldebug(clone)) printf(LMSG("clone: successful rfork to %d, " diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index 538b9dc..e806d87 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -198,24 +198,27 @@ linux_alarm(struct thread *td, struct linux_alarm_args *args) if (ldebug(alarm)) printf(ARGS(alarm, "%u"), args->secs); #endif - secs = args->secs; + /* + * Linux alarm() is always successfull. Limit secs to INT32_MAX / 2 + * to match kern_setitimer()'s limit to avoid error from it. + * + * XXX. Linux limit secs to INT_MAX on 32 and does not limit on 64-bit + * platforms. + */ + if (secs > INT32_MAX / 2) + secs = INT32_MAX / 2; - if (secs > INT_MAX) - secs = INT_MAX; - - it.it_value.tv_sec = (long) secs; + it.it_value.tv_sec = secs; it.it_value.tv_usec = 0; - it.it_interval.tv_sec = 0; - it.it_interval.tv_usec = 0; + timevalclear(&it.it_interval); error = kern_setitimer(td, ITIMER_REAL, &it, &old_it); - if (error) - return (error); - if (timevalisset(&old_it.it_value)) { - if (old_it.it_value.tv_usec != 0) - old_it.it_value.tv_sec++; - td->td_retval[0] = old_it.it_value.tv_sec; - } + KASSERT(error == 0, ("kern_setitimer returns %d", error)); + + if ((old_it.it_value.tv_sec == 0 && old_it.it_value.tv_usec > 0) || + old_it.it_value.tv_usec >= 500000) + old_it.it_value.tv_sec++; + td->td_retval[0] = old_it.it_value.tv_sec; return (0); } diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c index dee4093..c19167a 100644 --- a/sys/compat/linux/linux_socket.c +++ b/sys/compat/linux/linux_socket.c @@ -289,6 +289,63 @@ linux_to_bsd_ip_sockopt(int opt) } static int +linux_to_bsd_ip6_sockopt(int opt) +{ + + switch (opt) { + case LINUX_IPV6_NEXTHOP: + return (IPV6_NEXTHOP); + case LINUX_IPV6_UNICAST_HOPS: + return (IPV6_UNICAST_HOPS); + case LINUX_IPV6_MULTICAST_IF: + return (IPV6_MULTICAST_IF); + case LINUX_IPV6_MULTICAST_HOPS: + return (IPV6_MULTICAST_HOPS); + case LINUX_IPV6_MULTICAST_LOOP: + return (IPV6_MULTICAST_LOOP); + case LINUX_IPV6_ADD_MEMBERSHIP: + return (IPV6_JOIN_GROUP); + case LINUX_IPV6_DROP_MEMBERSHIP: + return (IPV6_LEAVE_GROUP); + case LINUX_IPV6_V6ONLY: + return (IPV6_V6ONLY); + case LINUX_IPV6_DONTFRAG: + return (IPV6_DONTFRAG); +#if 0 + case LINUX_IPV6_CHECKSUM: + return (IPV6_CHECKSUM); + case LINUX_IPV6_RECVPKTINFO: + return (IPV6_RECVPKTINFO); + case LINUX_IPV6_PKTINFO: + return (IPV6_PKTINFO); + case LINUX_IPV6_RECVHOPLIMIT: + return (IPV6_RECVHOPLIMIT); + case LINUX_IPV6_HOPLIMIT: + return (IPV6_HOPLIMIT); + case LINUX_IPV6_RECVHOPOPTS: + return (IPV6_RECVHOPOPTS); + case LINUX_IPV6_HOPOPTS: + return (IPV6_HOPOPTS); + case LINUX_IPV6_RTHDRDSTOPTS: + return (IPV6_RTHDRDSTOPTS); + case LINUX_IPV6_RECVRTHDR: + return (IPV6_RECVRTHDR); + case LINUX_IPV6_RTHDR: + return (IPV6_RTHDR); + case LINUX_IPV6_RECVDSTOPTS: + return (IPV6_RECVDSTOPTS); + case LINUX_IPV6_DSTOPTS: + return (IPV6_DSTOPTS); + case LINUX_IPV6_RECVPATHMTU: + return (IPV6_RECVPATHMTU); + case LINUX_IPV6_PATHMTU: + return (IPV6_PATHMTU); +#endif + } + return (-1); +} + +static int linux_to_bsd_so_sockopt(int opt) { @@ -1515,6 +1572,9 @@ linux_setsockopt(struct thread *td, struct linux_setsockopt_args *args) case IPPROTO_IP: name = linux_to_bsd_ip_sockopt(args->optname); break; + case IPPROTO_IPV6: + name = linux_to_bsd_ip6_sockopt(args->optname); + break; case IPPROTO_TCP: name = linux_to_bsd_tcp_sockopt(args->optname); break; @@ -1601,6 +1661,9 @@ linux_getsockopt(struct thread *td, struct linux_getsockopt_args *args) case IPPROTO_IP: name = linux_to_bsd_ip_sockopt(args->optname); break; + case IPPROTO_IPV6: + name = linux_to_bsd_ip6_sockopt(args->optname); + break; case IPPROTO_TCP: name = linux_to_bsd_tcp_sockopt(args->optname); break; diff --git a/sys/compat/linux/linux_socket.h b/sys/compat/linux/linux_socket.h index b32a969..25c0ec3 100644 --- a/sys/compat/linux/linux_socket.h +++ b/sys/compat/linux/linux_socket.h @@ -302,6 +302,31 @@ int linux_getsockopt(struct thread *td, struct linux_getsockopt_args *args); #define LINUX_IP_ADD_MEMBERSHIP 35 #define LINUX_IP_DROP_MEMBERSHIP 36 +#define LINUX_IPV6_CHECKSUM 7 +#define LINUX_IPV6_NEXTHOP 9 +#define LINUX_IPV6_UNICAST_HOPS 16 +#define LINUX_IPV6_MULTICAST_IF 17 +#define LINUX_IPV6_MULTICAST_HOPS 18 +#define LINUX_IPV6_MULTICAST_LOOP 19 +#define LINUX_IPV6_ADD_MEMBERSHIP 20 +#define LINUX_IPV6_DROP_MEMBERSHIP 21 +#define LINUX_IPV6_V6ONLY 26 + +#define LINUX_IPV6_RECVPKTINFO 49 +#define LINUX_IPV6_PKTINFO 50 +#define LINUX_IPV6_RECVHOPLIMIT 51 +#define LINUX_IPV6_HOPLIMIT 52 +#define LINUX_IPV6_RECVHOPOPTS 53 +#define LINUX_IPV6_HOPOPTS 54 +#define LINUX_IPV6_RTHDRDSTOPTS 55 +#define LINUX_IPV6_RECVRTHDR 56 +#define LINUX_IPV6_RTHDR 57 +#define LINUX_IPV6_RECVDSTOPTS 58 +#define LINUX_IPV6_DSTOPTS 59 +#define LINUX_IPV6_RECVPATHMTU 60 +#define LINUX_IPV6_PATHMTU 61 +#define LINUX_IPV6_DONTFRAG 62 + #define LINUX_TCP_NODELAY 1 #define LINUX_TCP_MAXSEG 2 #define LINUX_TCP_KEEPIDLE 4 diff --git a/sys/compat/linux/linux_stats.c b/sys/compat/linux/linux_stats.c index f96acc0..2684d82 100644 --- a/sys/compat/linux/linux_stats.c +++ b/sys/compat/linux/linux_stats.c @@ -256,7 +256,7 @@ static int stat_copyout(struct stat *buf, void *ubuf) { struct l_stat lbuf; - + bzero(&lbuf, sizeof(lbuf)); lbuf.st_dev = buf->st_dev; lbuf.st_ino = buf->st_ino; @@ -302,7 +302,7 @@ linux_stat(struct thread *td, struct linux_stat_args *args) return (error); } LFREEPATH(path); - return(stat_copyout(&buf, args->up)); + return (stat_copyout(&buf, args->up)); } int @@ -324,7 +324,7 @@ linux_lstat(struct thread *td, struct linux_lstat_args *args) return (error); } LFREEPATH(path); - return(stat_copyout(&buf, args->up)); + return (stat_copyout(&buf, args->up)); } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ @@ -380,10 +380,22 @@ bsd_to_linux_ftype(const char *fstypename) return (0L); } -static void +static int bsd_to_linux_statfs(struct statfs *bsd_statfs, struct l_statfs *linux_statfs) { +#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) + uint64_t tmp; +#define LINUX_HIBITS 0xffffffff00000000ULL + + tmp = bsd_statfs->f_blocks | bsd_statfs->f_bfree | bsd_statfs->f_files | + bsd_statfs->f_bsize; + if ((bsd_statfs->f_bavail != -1 && (bsd_statfs->f_bavail & LINUX_HIBITS)) || + (bsd_statfs->f_ffree != -1 && (bsd_statfs->f_ffree & LINUX_HIBITS)) || + (tmp & LINUX_HIBITS)) + return (EOVERFLOW); +#undef LINUX_HIBITS +#endif linux_statfs->f_type = bsd_to_linux_ftype(bsd_statfs->f_fstypename); linux_statfs->f_bsize = bsd_statfs->f_bsize; linux_statfs->f_blocks = bsd_statfs->f_blocks; @@ -394,6 +406,8 @@ bsd_to_linux_statfs(struct statfs *bsd_statfs, struct l_statfs *linux_statfs) linux_statfs->f_fsid.val[0] = bsd_statfs->f_fsid.val[0]; linux_statfs->f_fsid.val[1] = bsd_statfs->f_fsid.val[1]; linux_statfs->f_namelen = MAXNAMLEN; + + return (0); } int @@ -414,8 +428,10 @@ linux_statfs(struct thread *td, struct linux_statfs_args *args) LFREEPATH(path); if (error) return (error); - bsd_to_linux_statfs(&bsd_statfs, &linux_statfs); - return copyout(&linux_statfs, args->buf, sizeof(linux_statfs)); + error = bsd_to_linux_statfs(&bsd_statfs, &linux_statfs); + if (error) + return (error); + return (copyout(&linux_statfs, args->buf, sizeof(linux_statfs))); } #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32)) @@ -457,7 +473,28 @@ linux_statfs64(struct thread *td, struct linux_statfs64_args *args) if (error) return (error); bsd_to_linux_statfs64(&bsd_statfs, &linux_statfs); - return copyout(&linux_statfs, args->buf, sizeof(linux_statfs)); + return (copyout(&linux_statfs, args->buf, sizeof(linux_statfs))); +} + +int +linux_fstatfs64(struct thread *td, struct linux_fstatfs64_args *args) +{ + struct l_statfs64 linux_statfs; + struct statfs bsd_statfs; + int error; + +#ifdef DEBUG + if (ldebug(fstatfs64)) + printf(ARGS(fstatfs64, "%d, *"), args->fd); +#endif + if (args->bufsize != sizeof(struct l_statfs64)) + return (EINVAL); + + error = kern_fstatfs(td, args->fd, &bsd_statfs); + if (error) + return error; + bsd_to_linux_statfs64(&bsd_statfs, &linux_statfs); + return (copyout(&linux_statfs, args->buf, sizeof(linux_statfs))); } #endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */ @@ -474,9 +511,11 @@ linux_fstatfs(struct thread *td, struct linux_fstatfs_args *args) #endif error = kern_fstatfs(td, args->fd, &bsd_statfs); if (error) - return error; - bsd_to_linux_statfs(&bsd_statfs, &linux_statfs); - return copyout(&linux_statfs, args->buf, sizeof(linux_statfs)); + return (error); + error = bsd_to_linux_statfs(&bsd_statfs, &linux_statfs); + if (error) + return (error); + return (copyout(&linux_statfs, args->buf, sizeof(linux_statfs))); } struct l_ustat |