diff options
Diffstat (limited to 'sys/compat/linux/linux_socket.c')
| -rw-r--r-- | sys/compat/linux/linux_socket.c | 595 |
1 files changed, 595 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c new file mode 100644 index 0000000..9267063 --- /dev/null +++ b/sys/compat/linux/linux_socket.c @@ -0,0 +1,595 @@ +/*- + * Copyright (c) 1995 Søren Schmidt + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer + * in this position and unchanged. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software withough specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $Id: linux_socket.c,v 1.2 1995/06/07 21:27:57 sos Exp $ + */ + +#include <i386/linux/linux.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/proc.h> +#include <sys/socket.h> +#include <sys/socketvar.h> +#include <netinet/in.h> + + +static int +linux_to_bsd_domain(int domain) +{ + switch (domain) { + case LINUX_AF_UNSPEC: + return AF_UNSPEC; + case LINUX_AF_UNIX: + return AF_LOCAL; + case LINUX_AF_INET: + return AF_INET; + case LINUX_AF_AX25: + return AF_CCITT; + case LINUX_AF_IPX: + return AF_IPX; + case LINUX_AF_APPLETALK: + return AF_APPLETALK; + default: + return -1; + } +} + +static int +linux_to_bsd_sockopt_level(int level) +{ + switch (level) { + case LINUX_SOL_SOCKET: + return SOL_SOCKET; + default: + return level; + } +} + +static int linux_to_bsd_ip_sockopt(int opt) +{ + switch (opt) { + case LINUX_IP_TOS: + return IP_TOS; + case LINUX_IP_TTL: + return IP_TTL; + default: + return -1; + } +} + +static int +linux_to_bsd_so_sockopt(int opt) +{ + switch (opt) { + case LINUX_SO_DEBUG: + return SO_DEBUG; + case LINUX_SO_REUSEADDR: + return SO_REUSEADDR; + case LINUX_SO_TYPE: + return SO_TYPE; + case LINUX_SO_ERROR: + return SO_ERROR; + case LINUX_SO_DONTROUTE: + return SO_DONTROUTE; + case LINUX_SO_BROADCAST: + return SO_BROADCAST; + case LINUX_SO_SNDBUF: + return SO_SNDBUF; + case LINUX_SO_RCVBUF: + return SO_RCVBUF; + case LINUX_SO_KEEPALIVE: + return SO_KEEPALIVE; + case LINUX_SO_OOBINLINE: + return SO_OOBINLINE; + case LINUX_SO_LINGER: + return SO_LINGER; + case LINUX_SO_PRIORITY: + case LINUX_SO_NO_CHECK: + default: + return -1; + } +} + +struct linux_socket_args { + int domain; + int type; + int protocol; +}; + +static int +linux_socket(struct proc *p, struct linux_socket_args *args, int *retval) +{ + struct linux_socket_args linux_args; + struct { + int domain; + int type; + int protocol; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.protocol = linux_args.protocol; + bsd_args.type = linux_args.type; + bsd_args.domain = linux_to_bsd_domain(linux_args.domain); + if (bsd_args.domain == -1) + return EINVAL; + return socket(p, &bsd_args, retval); +} + +struct linux_bind_args { + int s; + struct sockaddr *name; + int namelen; +}; + +static int +linux_bind(struct proc *p, struct linux_bind_args *args, int *retval) +{ + struct linux_bind_args linux_args; + struct { + int s; + caddr_t name; + int namelen; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.name = (caddr_t)linux_args.name; + bsd_args.namelen = linux_args.namelen; + return bind(p, &bsd_args, retval); +} + +struct linux_connect_args { + int s; + struct sockaddr * name; + int namelen; +}; + +static int +linux_connect(struct proc *p, struct linux_connect_args *args, int *retval) +{ + struct linux_connect_args linux_args; + struct { + int s; + caddr_t name; + int namelen; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.name = (caddr_t)linux_args.name; + bsd_args.namelen = linux_args.namelen; + return connect(p, &bsd_args, retval); +} + +struct linux_listen_args { + int s; + int backlog; +}; + +static int +linux_listen(struct proc *p, struct linux_listen_args *args, int *retval) +{ + struct linux_listen_args linux_args; + struct { + int s; + int backlog; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.backlog = linux_args.backlog; + return listen(p, &bsd_args, retval); +} + +struct linux_accept_args { + int s; + struct sockaddr *addr; + int *namelen; +}; + +static int +linux_accept(struct proc *p, struct linux_accept_args *args, int *retval) +{ + struct linux_accept_args linux_args; + struct accept_args { + int s; + caddr_t name; + int *anamelen; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.name = (caddr_t)linux_args.addr; + bsd_args.anamelen = linux_args.namelen; + return oaccept(p, &bsd_args, retval); +} + +struct linux_getsockname_args { + int s; + struct sockaddr *addr; + int *namelen; +}; + +static int +linux_getsockname(struct proc *p, struct linux_getsockname_args *args, int *retval) +{ + struct linux_getsockname_args linux_args; + struct { + int fdes; + caddr_t asa; + int *alen; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.fdes = linux_args.s; + bsd_args.asa = (caddr_t) linux_args.addr; + bsd_args.alen = linux_args.namelen; + return ogetsockname(p, &bsd_args, retval); +} + +struct linux_getpeername_args { + int s; + struct sockaddr *addr; + int *namelen; +}; + +static int +linux_getpeername(struct proc *p, struct linux_getpeername_args *args, int *retval) +{ + struct linux_getpeername_args linux_args; + struct getpeername_args { + int fdes; + caddr_t asa; + int *alen; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.fdes = linux_args.s; + bsd_args.asa = (caddr_t) linux_args.addr; + bsd_args.alen = linux_args.namelen; + return ogetpeername(p, &bsd_args, retval); +} + +struct linux_socketpair_args { + int domain; + int type; + int protocol; + int *rsv; +}; + +static int +linux_socketpair(struct proc *p, struct linux_socketpair_args *args, int *retval) +{ + struct linux_socketpair_args linux_args; + struct { + int domain; + int type; + int protocol; + int *rsv; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.domain = linux_to_bsd_domain(linux_args.domain); + if (bsd_args.domain == -1) + return EINVAL; + bsd_args.type = linux_args.type; + bsd_args.protocol = linux_args.protocol; + bsd_args.rsv = linux_args.rsv; + return socketpair(p, &bsd_args, retval); +} + +struct linux_send_args { + int s; + void *msg; + int len; + int flags; +}; + +static int +linux_send(struct proc *p, struct linux_send_args *args, int *retval) +{ + struct linux_send_args linux_args; + struct { + int s; + caddr_t buf; + int len; + int flags; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.buf = linux_args.msg; + bsd_args.len = linux_args.len; + bsd_args.flags = linux_args.flags; + return osend(p, &bsd_args, retval); +} + +struct linux_recv_args { + int s; + void *msg; + int len; + int flags; +}; + +static int +linux_recv(struct proc *p, struct linux_recv_args *args, int *retval) +{ + struct linux_recv_args linux_args; + struct { + int s; + caddr_t buf; + int len; + int flags; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.buf = linux_args.msg; + bsd_args.len = linux_args.len; + bsd_args.flags = linux_args.flags; + return orecv(p, &bsd_args, retval); +} + +struct linux_sendto_args { + int s; + void *msg; + int len; + int flags; + caddr_t to; + int tolen; +}; + +static int +linux_sendto(struct proc *p, struct linux_sendto_args *args, int *retval) +{ + struct linux_sendto_args linux_args; + struct { + int s; + caddr_t buf; + size_t len; + int flags; + caddr_t to; + int tolen; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.buf = linux_args.msg; + bsd_args.len = linux_args.len; + bsd_args.flags = linux_args.flags; + bsd_args.to = linux_args.to; + bsd_args.tolen = linux_args.tolen; + return sendto(p, &bsd_args, retval); +} + +struct linux_recvfrom_args { + int s; + void *buf; + int len; + int flags; + caddr_t from; + int *fromlen; +}; + +static int +linux_recvfrom(struct proc *p, struct linux_recvfrom_args *args, int *retval) +{ + struct linux_recvfrom_args linux_args; + struct { + int s; + caddr_t buf; + size_t len; + int flags; + caddr_t from; + int *fromlenaddr; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.buf = linux_args.buf; + bsd_args.len = linux_args.len; + bsd_args.flags = linux_args.flags; + bsd_args.from = linux_args.from; + bsd_args.fromlenaddr = linux_args.fromlen; + return orecvfrom(p, &bsd_args, retval); +} + +struct linux_shutdown_args { + int s; + int how; +}; + +static int +linux_shutdown(struct proc *p, struct linux_shutdown_args *args, int *retval) +{ + struct linux_shutdown_args linux_args; + struct { + int s; + int how; + } bsd_args; + int error; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.how = linux_args.how; + return shutdown(p, &bsd_args, retval); +} + +struct linux_setsockopt_args { + int s; + int level; + int optname; + void *optval; + int optlen; +}; + +static int +linux_setsockopt(struct proc *p, struct linux_setsockopt_args *args, int *retval) +{ + struct linux_setsockopt_args linux_args; + struct { + int s; + int level; + int name; + caddr_t val; + int valsize; + } bsd_args; + int error, name; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.level = linux_to_bsd_sockopt_level(linux_args.level); + switch (bsd_args.level) { + case SOL_SOCKET: + name = linux_to_bsd_so_sockopt(linux_args.optname); + break; + case IPPROTO_IP: + name = linux_to_bsd_ip_sockopt(linux_args.optname); + break; + default: + return EINVAL; + } + if (name == -1) + return EINVAL; + bsd_args.name = name; + bsd_args.val = linux_args.optval; + bsd_args.valsize = linux_args.optlen; + return setsockopt(p, &bsd_args, retval); +} + +struct linux_getsockopt_args { + int s; + int level; + int optname; + void *optval; + int *optlen; +}; + +static int +linux_getsockopt(struct proc *p, struct linux_getsockopt_args *args, int *retval) +{ + struct linux_getsockopt_args linux_args; + struct { + int s; + int level; + int name; + caddr_t val; + int *avalsize; + } bsd_args; + int error, name; + + if ((error=copyin((caddr_t)args, (caddr_t)&linux_args, sizeof(linux_args)))) + return error; + bsd_args.s = linux_args.s; + bsd_args.level = linux_to_bsd_sockopt_level(linux_args.level); + switch (bsd_args.level) { + case SOL_SOCKET: + name = linux_to_bsd_so_sockopt(linux_args.optname); + break; + case IPPROTO_IP: + name = linux_to_bsd_ip_sockopt(linux_args.optname); + break; + default: + return EINVAL; + } + if (name == -1) + return EINVAL; + bsd_args.val = linux_args.optval; + bsd_args.avalsize = linux_args.optlen; + return getsockopt(p, &bsd_args, retval); +} + +struct linux_socketcall_args { + int what; + void *args; +}; + +int +linux_socketcall(struct proc *p, struct linux_socketcall_args *args,int *retval) +{ + switch (args->what) { + case LINUX_SOCKET: + return linux_socket(p, args->args, retval); + case LINUX_BIND: + return linux_bind(p, args->args, retval); + case LINUX_CONNECT: + return linux_connect(p, args->args, retval); + case LINUX_LISTEN: + return linux_listen(p, args->args, retval); + case LINUX_ACCEPT: + return linux_accept(p, args->args, retval); + case LINUX_GETSOCKNAME: + return linux_getsockname(p, args->args, retval); + case LINUX_GETPEERNAME: + return linux_getpeername(p, args->args, retval); + case LINUX_SOCKETPAIR: + return linux_socketpair(p, args->args, retval); + case LINUX_SEND: + return linux_send(p, args->args, retval); + case LINUX_RECV: + return linux_recv(p, args->args, retval); + case LINUX_SENDTO: + return linux_sendto(p, args->args, retval); + case LINUX_RECVFROM: + return linux_recvfrom(p, args->args, retval); + case LINUX_SHUTDOWN: + return linux_shutdown(p, args->args, retval); + case LINUX_SETSOCKOPT: + return linux_setsockopt(p, args->args, retval); + case LINUX_GETSOCKOPT: + return linux_getsockopt(p, args->args, retval); + default: + uprintf("LINUX: 'socket' typ=%d not implemented\n", args->what); + return ENOSYS; + } +} |
