diff options
Diffstat (limited to 'sys/compat/svr4/svr4_ipc.c')
| -rw-r--r-- | sys/compat/svr4/svr4_ipc.c | 707 |
1 files changed, 707 insertions, 0 deletions
diff --git a/sys/compat/svr4/svr4_ipc.c b/sys/compat/svr4/svr4_ipc.c new file mode 100644 index 0000000..f816cb0 --- /dev/null +++ b/sys/compat/svr4/svr4_ipc.c @@ -0,0 +1,707 @@ +/*- + * Copyright (c) 1995 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Christos Zoulas. + * + * 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. + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``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 FOUNDATION OR CONTRIBUTORS + * 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. + */ +/*- + * Portions of this code have been derived from software contributed + * to the FreeBSD Project by Mark Newton. + * + * Copyright (c) 1999 Mark Newton + * 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. + * 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 without 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. + * + * XXX- This code is presently a no-op on FreeBSD (and isn't compiled due + * to preprocessor conditionals). A nice project for a kernel hacking + * novice might be to MakeItGo, but I have more important fish to fry + * at present. + * + * Derived from: $NetBSD: svr4_ipc.c,v 1.7 1998/10/19 22:43:00 tron Exp $ + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "opt_sysvipc.h" + +#include <sys/param.h> +#include <sys/ipc.h> +#include <sys/msg.h> +#include <sys/proc.h> +#include <sys/sem.h> +#include <sys/shm.h> +#include <sys/syscallsubr.h> +#include <sys/sysproto.h> +#include <sys/systm.h> +#include <sys/time.h> + +#include <compat/svr4/svr4.h> +#include <compat/svr4/svr4_types.h> +#include <compat/svr4/svr4_signal.h> +#include <compat/svr4/svr4_proto.h> +#include <compat/svr4/svr4_util.h> +#include <compat/svr4/svr4_ipc.h> + +#if defined(SYSVMSG) || defined(SYSVSHM) || defined(SYSVSEM) +static void svr4_to_bsd_ipc_perm(const struct svr4_ipc_perm *, + struct ipc_perm *); +static void bsd_to_svr4_ipc_perm(const struct ipc_perm *, + struct svr4_ipc_perm *); +#endif + +#ifdef SYSVSEM +static void bsd_to_svr4_semid_ds(const struct semid_ds *, + struct svr4_semid_ds *); +static void svr4_to_bsd_semid_ds(const struct svr4_semid_ds *, + struct semid_ds *); +static int svr4_semop(struct thread *, void *); +static int svr4_semget(struct thread *, void *); +static int svr4_semctl(struct thread *, void *); +#endif + +#ifdef SYSVMSG +static void bsd_to_svr4_msqid_ds(const struct msqid_ds *, + struct svr4_msqid_ds *); +static void svr4_to_bsd_msqid_ds(const struct svr4_msqid_ds *, + struct msqid_ds *); +static int svr4_msgsnd(struct thread *, void *); +static int svr4_msgrcv(struct thread *, void *); +static int svr4_msgget(struct thread *, void *); +static int svr4_msgctl(struct thread *, void *); +#endif + +#ifdef SYSVSHM +static void bsd_to_svr4_shmid_ds(const struct shmid_ds *, + struct svr4_shmid_ds *); +static void svr4_to_bsd_shmid_ds(const struct svr4_shmid_ds *, + struct shmid_ds *); +static int svr4_shmat(struct thread *, void *); +static int svr4_shmdt(struct thread *, void *); +static int svr4_shmget(struct thread *, void *); +static int svr4_shmctl(struct thread *, void *); +#endif + +#if defined(SYSVMSG) || defined(SYSVSHM) || defined(SYSVSEM) + +static void +svr4_to_bsd_ipc_perm(spp, bpp) + const struct svr4_ipc_perm *spp; + struct ipc_perm *bpp; +{ + bpp->key = spp->key; + bpp->uid = spp->uid; + bpp->gid = spp->gid; + bpp->cuid = spp->cuid; + bpp->cgid = spp->cgid; + bpp->mode = spp->mode; + bpp->seq = spp->seq; +} + +static void +bsd_to_svr4_ipc_perm(bpp, spp) + const struct ipc_perm *bpp; + struct svr4_ipc_perm *spp; +{ + spp->key = bpp->key; + spp->uid = bpp->uid; + spp->gid = bpp->gid; + spp->cuid = bpp->cuid; + spp->cgid = bpp->cgid; + spp->mode = bpp->mode; + spp->seq = bpp->seq; +} +#endif + +#ifdef SYSVSEM +static void +bsd_to_svr4_semid_ds(bds, sds) + const struct semid_ds *bds; + struct svr4_semid_ds *sds; +{ + bzero(sds, sizeof(*sds)); + bsd_to_svr4_ipc_perm(&bds->sem_perm, &sds->sem_perm); + sds->sem_base = (struct svr4_sem *) bds->sem_base; + sds->sem_nsems = bds->sem_nsems; + sds->sem_otime = bds->sem_otime; + sds->sem_ctime = bds->sem_ctime; +} + +static void +svr4_to_bsd_semid_ds(sds, bds) + const struct svr4_semid_ds *sds; + struct semid_ds *bds; +{ + svr4_to_bsd_ipc_perm(&sds->sem_perm, &bds->sem_perm); + bds->sem_base = (struct sem *) bds->sem_base; + bds->sem_nsems = sds->sem_nsems; + bds->sem_otime = sds->sem_otime; + bds->sem_ctime = sds->sem_ctime; +} + +struct svr4_sys_semctl_args { + int what; + int semid; + int semnum; + int cmd; + union semun arg; +}; + +static int +svr4_semctl(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_semctl_args *uap = v; + struct svr4_semid_ds ss; + struct semid_ds bs; + union semun semun; + register_t rval; + int cmd, error; + + switch (uap->cmd) { + case SVR4_SEM_GETZCNT: + cmd = GETZCNT; + break; + + case SVR4_SEM_GETNCNT: + cmd = GETNCNT; + break; + + case SVR4_SEM_GETPID: + cmd = GETPID; + break; + + case SVR4_SEM_GETVAL: + cmd = GETVAL; + break; + + case SVR4_SEM_SETVAL: + cmd = SETVAL; + break; + + case SVR4_SEM_GETALL: + cmd = GETVAL; + break; + + case SVR4_SEM_SETALL: + cmd = SETVAL; + break; + + case SVR4_IPC_STAT: + cmd = IPC_STAT; + semun.buf = &bs; + error = kern_semctl(td, uap->semid, uap->semnum, cmd, &semun, + &rval); + if (error) + return (error); + bsd_to_svr4_semid_ds(&bs, &ss); + error = copyout(&ss, uap->arg.buf, sizeof(ss)); + if (error == 0) + td->td_retval[0] = rval; + return (error); + + case SVR4_IPC_SET: + cmd = IPC_SET; + error = copyin(uap->arg.buf, (caddr_t) &ss, sizeof ss); + if (error) + return (error); + svr4_to_bsd_semid_ds(&ss, &bs); + semun.buf = &bs; + return (kern_semctl(td, uap->semid, uap->semnum, cmd, &semun, + td->td_retval)); + + case SVR4_IPC_RMID: + cmd = IPC_RMID; + break; + + default: + return EINVAL; + } + + return (kern_semctl(td, uap->semid, uap->semnum, cmd, &uap->arg, + td->td_retval)); +} + +struct svr4_sys_semget_args { + int what; + svr4_key_t key; + int nsems; + int semflg; +}; + +static int +svr4_semget(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_semget_args *uap = v; + struct semget_args ap; + + ap.key = uap->key; + ap.nsems = uap->nsems; + ap.semflg = uap->semflg; + + return sys_semget(td, &ap); +} + +struct svr4_sys_semop_args { + int what; + int semid; + struct svr4_sembuf * sops; + u_int nsops; +}; + +static int +svr4_semop(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_semop_args *uap = v; + struct semop_args ap; + + ap.semid = uap->semid; + /* These are the same */ + ap.sops = (struct sembuf *) uap->sops; + ap.nsops = uap->nsops; + + return sys_semop(td, &ap); +} + +int +svr4_sys_semsys(td, uap) + struct thread *td; + struct svr4_sys_semsys_args *uap; +{ + + DPRINTF(("svr4_semsys(%d)\n", uap->what)); + + switch (uap->what) { + case SVR4_semctl: + return svr4_semctl(td, uap); + case SVR4_semget: + return svr4_semget(td, uap); + case SVR4_semop: + return svr4_semop(td, uap); + default: + return EINVAL; + } +} + +MODULE_DEPEND(svr4elf, sysvsem, 1, 1, 1); +#endif + +#ifdef SYSVMSG +static void +bsd_to_svr4_msqid_ds(bds, sds) + const struct msqid_ds *bds; + struct svr4_msqid_ds *sds; +{ + bzero(sds, sizeof(*sds)); + bsd_to_svr4_ipc_perm(&bds->msg_perm, &sds->msg_perm); + sds->msg_first = (struct svr4_msg *) bds->msg_first; + sds->msg_last = (struct svr4_msg *) bds->msg_last; + sds->msg_cbytes = bds->msg_cbytes; + sds->msg_qnum = bds->msg_qnum; + sds->msg_qbytes = bds->msg_qbytes; + sds->msg_lspid = bds->msg_lspid; + sds->msg_lrpid = bds->msg_lrpid; + sds->msg_stime = bds->msg_stime; + sds->msg_rtime = bds->msg_rtime; + sds->msg_ctime = bds->msg_ctime; +} + +static void +svr4_to_bsd_msqid_ds(sds, bds) + const struct svr4_msqid_ds *sds; + struct msqid_ds *bds; +{ + svr4_to_bsd_ipc_perm(&sds->msg_perm, &bds->msg_perm); + bds->msg_first = (struct msg *) sds->msg_first; + bds->msg_last = (struct msg *) sds->msg_last; + bds->msg_cbytes = sds->msg_cbytes; + bds->msg_qnum = sds->msg_qnum; + bds->msg_qbytes = sds->msg_qbytes; + bds->msg_lspid = sds->msg_lspid; + bds->msg_lrpid = sds->msg_lrpid; + bds->msg_stime = sds->msg_stime; + bds->msg_rtime = sds->msg_rtime; + bds->msg_ctime = sds->msg_ctime; +} + +struct svr4_sys_msgsnd_args { + int what; + int msqid; + void * msgp; + size_t msgsz; + int msgflg; +}; + +static int +svr4_msgsnd(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_msgsnd_args *uap = v; + struct msgsnd_args ap; + + ap.msqid = uap->msqid; + ap.msgp = uap->msgp; + ap.msgsz = uap->msgsz; + ap.msgflg = uap->msgflg; + + return sys_msgsnd(td, &ap); +} + +struct svr4_sys_msgrcv_args { + int what; + int msqid; + void * msgp; + size_t msgsz; + long msgtyp; + int msgflg; +}; + +static int +svr4_msgrcv(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_msgrcv_args *uap = v; + struct msgrcv_args ap; + + ap.msqid = uap->msqid; + ap.msgp = uap->msgp; + ap.msgsz = uap->msgsz; + ap.msgtyp = uap->msgtyp; + ap.msgflg = uap->msgflg; + + return sys_msgrcv(td, &ap); +} + +struct svr4_sys_msgget_args { + int what; + svr4_key_t key; + int msgflg; +}; + +static int +svr4_msgget(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_msgget_args *uap = v; + struct msgget_args ap; + + ap.key = uap->key; + ap.msgflg = uap->msgflg; + + return sys_msgget(td, &ap); +} + +struct svr4_sys_msgctl_args { + int what; + int msqid; + int cmd; + struct svr4_msqid_ds * buf; +}; + +static int +svr4_msgctl(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_msgctl_args *uap = v; + struct svr4_msqid_ds ss; + struct msqid_ds bs; + int error; + + switch (uap->cmd) { + case SVR4_IPC_STAT: + error = kern_msgctl(td, uap->msqid, IPC_STAT, &bs); + if (error) + return error; + bsd_to_svr4_msqid_ds(&bs, &ss); + return copyout(&ss, uap->buf, sizeof ss); + + case SVR4_IPC_SET: + error = copyin(uap->buf, &ss, sizeof ss); + if (error) + return error; + svr4_to_bsd_msqid_ds(&ss, &bs); + return (kern_msgctl(td, uap->msqid, IPC_SET, &bs)); + + case SVR4_IPC_RMID: + return (kern_msgctl(td, uap->msqid, IPC_RMID, NULL)); + + default: + return EINVAL; + } +} + +int +svr4_sys_msgsys(td, uap) + struct thread *td; + struct svr4_sys_msgsys_args *uap; +{ + + DPRINTF(("svr4_msgsys(%d)\n", uap->what)); + + switch (uap->what) { + case SVR4_msgsnd: + return svr4_msgsnd(td, uap); + case SVR4_msgrcv: + return svr4_msgrcv(td, uap); + case SVR4_msgget: + return svr4_msgget(td, uap); + case SVR4_msgctl: + return svr4_msgctl(td, uap); + default: + return EINVAL; + } +} + +MODULE_DEPEND(svr4elf, sysvmsg, 1, 1, 1); +#endif + +#ifdef SYSVSHM + +static void +bsd_to_svr4_shmid_ds(bds, sds) + const struct shmid_ds *bds; + struct svr4_shmid_ds *sds; +{ + bzero(sds, sizeof(*sds)); + bsd_to_svr4_ipc_perm(&bds->shm_perm, &sds->shm_perm); + sds->shm_segsz = bds->shm_segsz; + sds->shm_lkcnt = 0; + sds->shm_lpid = bds->shm_lpid; + sds->shm_cpid = bds->shm_cpid; + sds->shm_amp = 0; + sds->shm_nattch = bds->shm_nattch; + sds->shm_cnattch = 0; + sds->shm_atime = bds->shm_atime; + sds->shm_dtime = bds->shm_dtime; + sds->shm_ctime = bds->shm_ctime; +} + +static void +svr4_to_bsd_shmid_ds(sds, bds) + const struct svr4_shmid_ds *sds; + struct shmid_ds *bds; +{ + svr4_to_bsd_ipc_perm(&sds->shm_perm, &bds->shm_perm); + bds->shm_segsz = sds->shm_segsz; + bds->shm_lpid = sds->shm_lpid; + bds->shm_cpid = sds->shm_cpid; + bds->shm_nattch = sds->shm_nattch; + bds->shm_atime = sds->shm_atime; + bds->shm_dtime = sds->shm_dtime; + bds->shm_ctime = sds->shm_ctime; +} + +struct svr4_sys_shmat_args { + int what; + int shmid; + void * shmaddr; + int shmflg; +}; + +static int +svr4_shmat(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_shmat_args *uap = v; + struct shmat_args ap; + + ap.shmid = uap->shmid; + ap.shmaddr = uap->shmaddr; + ap.shmflg = uap->shmflg; + + return sys_shmat(td, &ap); +} + +struct svr4_sys_shmdt_args { + int what; + void * shmaddr; +}; + +static int +svr4_shmdt(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_shmdt_args *uap = v; + struct shmdt_args ap; + + ap.shmaddr = uap->shmaddr; + + return sys_shmdt(td, &ap); +} + +struct svr4_sys_shmget_args { + int what; + key_t key; + int size; + int shmflg; +}; + +static int +svr4_shmget(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_shmget_args *uap = v; + struct shmget_args ap; + + ap.key = uap->key; + ap.size = uap->size; + ap.shmflg = uap->shmflg; + + return sys_shmget(td, &ap); +} + +struct svr4_sys_shmctl_args { + int what; + int shmid; + int cmd; + struct svr4_shmid_ds * buf; +}; + +int +svr4_shmctl(td, v) + struct thread *td; + void *v; +{ + struct svr4_sys_shmctl_args *uap = v; + struct shmid_ds bs; + struct svr4_shmid_ds ss; + size_t bufsize; + int cmd, error; + + if (uap->buf != NULL) { + switch (uap->cmd) { + case SVR4_IPC_SET: + case SVR4_SHM_LOCK: + case SVR4_SHM_UNLOCK: + error = copyin(uap->buf, &ss, sizeof(ss)); + if (error) + return (error); + svr4_to_bsd_shmid_ds(&ss, &bs); + break; + default: + return (EINVAL); + } + } + + switch (uap->cmd) { + case SVR4_IPC_STAT: + cmd = IPC_STAT; + break; + case SVR4_IPC_SET: + cmd = IPC_SET; + break; + case SVR4_IPC_RMID: + cmd = IPC_RMID; + break; + case SVR4_SHM_LOCK: + cmd = SHM_LOCK; + break; + case SVR4_SHM_UNLOCK: + cmd = SHM_UNLOCK; + break; + default: + return (EINVAL); + } + + error = kern_shmctl(td, uap->shmid, cmd, &bs, &bufsize); + if (error) + return (error); + + switch (uap->cmd) { + case SVR4_IPC_STAT: + if (uap->buf != NULL) { + bsd_to_svr4_shmid_ds(&bs, &ss); + error = copyout(&ss, uap->buf, sizeof(ss)); + } + break; + } + + return (error); +} + +int +svr4_sys_shmsys(td, uap) + struct thread *td; + struct svr4_sys_shmsys_args *uap; +{ + + DPRINTF(("svr4_shmsys(%d)\n", uap->what)); + + switch (uap->what) { + case SVR4_shmat: + return svr4_shmat(td, uap); + case SVR4_shmdt: + return svr4_shmdt(td, uap); + case SVR4_shmget: + return svr4_shmget(td, uap); + case SVR4_shmctl: + return svr4_shmctl(td, uap); + default: + return ENOSYS; + } +} + +MODULE_DEPEND(svr4elf, sysvshm, 1, 1, 1); +#endif /* SYSVSHM */ |
