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-rw-r--r--sys/svr4/svr4_sysvec.c405
1 files changed, 0 insertions, 405 deletions
diff --git a/sys/svr4/svr4_sysvec.c b/sys/svr4/svr4_sysvec.c
deleted file mode 100644
index 5063ea6..0000000
--- a/sys/svr4/svr4_sysvec.c
+++ /dev/null
@@ -1,405 +0,0 @@
-/*
- * Copyright (c) 1998 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by Christos Zoulas.
- * 4. 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.
- *
- * $FreeBSD$
- */
-
-/* XXX we use functions that might not exist. */
-#include "opt_compat.h"
-
-#ifndef COMPAT_43
-#error "Unable to compile SVR4-emulator due to missing COMPAT_43 option!"
-#endif
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/proc.h>
-#include <sys/sysent.h>
-#include <sys/imgact.h>
-#include <sys/imgact_elf.h>
-#include <sys/socket.h>
-#include <sys/malloc.h>
-#include <sys/namei.h>
-#include <sys/vnode.h>
-#include <sys/module.h>
-#include <vm/vm.h>
-#include <sys/exec.h>
-#include <sys/kernel.h>
-#include <machine/cpu.h>
-#include <netinet/in.h>
-
-#include <svr4/svr4.h>
-#include <svr4/svr4_types.h>
-#include <svr4/svr4_syscall.h>
-#include <svr4/svr4_signal.h>
-#include <svr4/svr4_sockio.h>
-#include <svr4/svr4_socket.h>
-#include <svr4/svr4_errno.h>
-#include <svr4/svr4_proto.h>
-#include <svr4/svr4_siginfo.h>
-#include <svr4/svr4_util.h>
-
-int bsd_to_svr4_errno[ELAST+1] = {
- 0,
- SVR4_EPERM,
- SVR4_ENOENT,
- SVR4_ESRCH,
- SVR4_EINTR,
- SVR4_EIO,
- SVR4_ENXIO,
- SVR4_E2BIG,
- SVR4_ENOEXEC,
- SVR4_EBADF,
- SVR4_ECHILD,
- SVR4_EDEADLK,
- SVR4_ENOMEM,
- SVR4_EACCES,
- SVR4_EFAULT,
- SVR4_ENOTBLK,
- SVR4_EBUSY,
- SVR4_EEXIST,
- SVR4_EXDEV,
- SVR4_ENODEV,
- SVR4_ENOTDIR,
- SVR4_EISDIR,
- SVR4_EINVAL,
- SVR4_ENFILE,
- SVR4_EMFILE,
- SVR4_ENOTTY,
- SVR4_ETXTBSY,
- SVR4_EFBIG,
- SVR4_ENOSPC,
- SVR4_ESPIPE,
- SVR4_EROFS,
- SVR4_EMLINK,
- SVR4_EPIPE,
- SVR4_EDOM,
- SVR4_ERANGE,
- SVR4_EAGAIN,
- SVR4_EINPROGRESS,
- SVR4_EALREADY,
- SVR4_ENOTSOCK,
- SVR4_EDESTADDRREQ,
- SVR4_EMSGSIZE,
- SVR4_EPROTOTYPE,
- SVR4_ENOPROTOOPT,
- SVR4_EPROTONOSUPPORT,
- SVR4_ESOCKTNOSUPPORT,
- SVR4_EOPNOTSUPP,
- SVR4_EPFNOSUPPORT,
- SVR4_EAFNOSUPPORT,
- SVR4_EADDRINUSE,
- SVR4_EADDRNOTAVAIL,
- SVR4_ENETDOWN,
- SVR4_ENETUNREACH,
- SVR4_ENETRESET,
- SVR4_ECONNABORTED,
- SVR4_ECONNRESET,
- SVR4_ENOBUFS,
- SVR4_EISCONN,
- SVR4_ENOTCONN,
- SVR4_ESHUTDOWN,
- SVR4_ETOOMANYREFS,
- SVR4_ETIMEDOUT,
- SVR4_ECONNREFUSED,
- SVR4_ELOOP,
- SVR4_ENAMETOOLONG,
- SVR4_EHOSTDOWN,
- SVR4_EHOSTUNREACH,
- SVR4_ENOTEMPTY,
- SVR4_EPROCLIM,
- SVR4_EUSERS,
- SVR4_EDQUOT,
- SVR4_ESTALE,
- SVR4_EREMOTE,
- SVR4_EBADRPC,
- SVR4_ERPCMISMATCH,
- SVR4_EPROGUNAVAIL,
- SVR4_EPROGMISMATCH,
- SVR4_EPROCUNAVAIL,
- SVR4_ENOLCK,
- SVR4_ENOSYS,
- SVR4_EFTYPE,
- SVR4_EAUTH,
- SVR4_ENEEDAUTH,
- SVR4_EIDRM,
- SVR4_ENOMSG,
-};
-
-
-static int svr4_fixup(register_t **stack_base, struct image_params *imgp);
-
-extern struct sysent svr4_sysent[];
-#undef szsigcode
-#undef sigcode
-
-extern int svr4_szsigcode;
-extern char svr4_sigcode[];
-
-struct sysentvec svr4_sysvec = {
- SVR4_SYS_MAXSYSCALL,
- svr4_sysent,
- 0xff,
- SVR4_SIGTBLSZ,
- bsd_to_svr4_sig,
- ELAST, /* ELAST */
- bsd_to_svr4_errno,
- 0,
- svr4_fixup,
- svr4_sendsig,
- svr4_sigcode,
- &svr4_szsigcode,
- NULL,
- "SVR4",
- elf_coredump
-};
-
-Elf32_Brandinfo svr4_brand = {
- ELFOSABI_SOLARIS, /* XXX Or should we use ELFOSABI_SYSV here? */
- svr4_emul_path,
- "/lib/libc.so.1",
- &svr4_sysvec
-};
-
-const char svr4_emul_path[] = "/compat/svr4";
-
-static int
-svr4_fixup(register_t **stack_base, struct image_params *imgp)
-{
- Elf32_Auxargs *args = (Elf32_Auxargs *)imgp->auxargs;
- register_t *pos;
-
- pos = *stack_base + (imgp->argc + imgp->envc + 2);
-
- if (args->trace) {
- AUXARGS_ENTRY(pos, AT_DEBUG, 1);
- }
- if (args->execfd != -1) {
- AUXARGS_ENTRY(pos, AT_EXECFD, args->execfd);
- }
- AUXARGS_ENTRY(pos, AT_PHDR, args->phdr);
- AUXARGS_ENTRY(pos, AT_PHENT, args->phent);
- AUXARGS_ENTRY(pos, AT_PHNUM, args->phnum);
- AUXARGS_ENTRY(pos, AT_PAGESZ, args->pagesz);
- AUXARGS_ENTRY(pos, AT_FLAGS, args->flags);
- AUXARGS_ENTRY(pos, AT_ENTRY, args->entry);
- AUXARGS_ENTRY(pos, AT_BASE, args->base);
- AUXARGS_ENTRY(pos, AT_UID, imgp->proc->p_cred->p_ruid);
- AUXARGS_ENTRY(pos, AT_EUID, imgp->proc->p_cred->p_svuid);
- AUXARGS_ENTRY(pos, AT_GID, imgp->proc->p_cred->p_rgid);
- AUXARGS_ENTRY(pos, AT_EGID, imgp->proc->p_cred->p_svgid);
- AUXARGS_ENTRY(pos, AT_NULL, 0);
-
- free(imgp->auxargs, M_TEMP);
- imgp->auxargs = NULL;
-
- (*stack_base)--;
- **stack_base = (int)imgp->argc;
- return 0;
-}
-
-/*
- * Search an alternate path before passing pathname arguments on
- * to system calls. Useful for keeping a seperate 'emulation tree'.
- *
- * If cflag is set, we check if an attempt can be made to create
- * the named file, i.e. we check if the directory it should
- * be in exists.
- *
- * Code shamelessly stolen by Mark Newton from IBCS2 emulation code.
- */
-int
-svr4_emul_find(p, sgp, prefix, path, pbuf, cflag)
- struct proc *p;
- caddr_t *sgp; /* Pointer to stackgap memory */
- const char *prefix;
- char *path;
- char **pbuf;
- int cflag;
-{
- struct nameidata nd;
- struct nameidata ndroot;
- struct vattr vat;
- struct vattr vatroot;
- int error;
- char *ptr, *buf, *cp;
- size_t sz, len;
-
- buf = (char *) malloc(MAXPATHLEN, M_TEMP, M_WAITOK);
- *pbuf = path;
-
- for (ptr = buf; (*ptr = *prefix) != '\0'; ptr++, prefix++)
- continue;
-
- sz = MAXPATHLEN - (ptr - buf);
-
- /*
- * If sgp is not given then the path is already in kernel space
- */
- if (sgp == NULL)
- error = copystr(path, ptr, sz, &len);
- else
- error = copyinstr(path, ptr, sz, &len);
-
- if (error) {
- free(buf, M_TEMP);
- return error;
- }
-
- if (*ptr != '/') {
- free(buf, M_TEMP);
- return EINVAL;
- }
-
- /*
- * We know that there is a / somewhere in this pathname.
- * Search backwards for it, to find the file's parent dir
- * to see if it exists in the alternate tree. If it does,
- * and we want to create a file (cflag is set). We don't
- * need to worry about the root comparison in this case.
- */
-
- if (cflag) {
- for (cp = &ptr[len] - 1; *cp != '/'; cp--);
- *cp = '\0';
-
- NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, buf, p);
-
- if ((error = namei(&nd)) != 0) {
- free(buf, M_TEMP);
- return error;
- }
- NDFREE(&nd, NDF_ONLY_PNBUF);
-
- *cp = '/';
- }
- else {
- NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, buf, p);
-
- if ((error = namei(&nd)) != 0) {
- free(buf, M_TEMP);
- return error;
- }
- NDFREE(&nd, NDF_ONLY_PNBUF);
-
- /*
- * We now compare the vnode of the svr4_root to the one
- * vnode asked. If they resolve to be the same, then we
- * ignore the match so that the real root gets used.
- * This avoids the problem of traversing "../.." to find the
- * root directory and never finding it, because "/" resolves
- * to the emulation root directory. This is expensive :-(
- */
- NDINIT(&ndroot, LOOKUP, FOLLOW, UIO_SYSSPACE, svr4_emul_path,
- p);
-
- if ((error = namei(&ndroot)) != 0) {
- /* Cannot happen! */
- free(buf, M_TEMP);
- vrele(nd.ni_vp);
- return error;
- }
- NDFREE(&ndroot, NDF_ONLY_PNBUF);
-
- if ((error = VOP_GETATTR(nd.ni_vp, &vat, p->p_ucred, p)) != 0) {
- goto done;
- }
-
- if ((error = VOP_GETATTR(ndroot.ni_vp, &vatroot, p->p_ucred, p))
- != 0) {
- goto done;
- }
-
- if (vat.va_fsid == vatroot.va_fsid &&
- vat.va_fileid == vatroot.va_fileid) {
- error = ENOENT;
- goto done;
- }
-
- }
- if (sgp == NULL)
- *pbuf = buf;
- else {
- sz = &ptr[len] - buf;
- *pbuf = stackgap_alloc(sgp, sz + 1);
- error = copyout(buf, *pbuf, sz);
- free(buf, M_TEMP);
- }
-
-
-done:
- vrele(nd.ni_vp);
- if (!cflag)
- vrele(ndroot.ni_vp);
- return error;
-}
-
-static int
-svr4_elf_modevent(module_t mod, int type, void *data)
-{
- int error;
-
- error = 0;
-
- switch(type) {
- case MOD_LOAD:
- if (elf_insert_brand_entry(&svr4_brand) < 0)
- error = EINVAL;
- if (error)
- printf("cannot insert svr4 elf brand handler\n");
- else if (bootverbose)
- printf("svr4 ELF exec handler installed\n");
- break;
- case MOD_UNLOAD:
- /* Only allow the emulator to be removed if it isn't in use. */
- if (elf_brand_inuse(&svr4_brand) != 0) {
- error = EBUSY;
- } else if (elf_remove_brand_entry(&svr4_brand) < 0) {
- error = EINVAL;
- }
-
- if (error)
- printf("Could not deinstall ELF interpreter entry (error %d)\n",
- error);
- else if (bootverbose)
- printf("svr4 ELF exec handler removed\n");
- break;
- default:
- break;
- }
- return error;
-}
-
-static moduledata_t svr4_elf_mod = {
- "svr4elf",
- svr4_elf_modevent,
- 0
-};
-DECLARE_MODULE(svr4elf, svr4_elf_mod, SI_SUB_EXEC, SI_ORDER_ANY);
-MODULE_DEPEND(svr4elf, streams, 1, 1, 1);
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