134 lines
2.9 KiB
C
134 lines
2.9 KiB
C
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/*
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* Copyright (c) 1989, 1990 by the University of Washington
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*
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* For copying and distribution information, please see the file
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* <uw-copyright.h>.
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*/
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#include <uw-copyright.h>
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#include <psite.h>
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#ifdef P_NFS
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/wait.h>
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#include <stdio.h>
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#include <pfs.h>
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#include <pcompat.h>
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#include <pmachine.h>
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#ifdef ULTRIX
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#include <sys/fs_types.h>
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#else
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#include <mntent.h>
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#endif
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pmap_nfs(host,rpath,npath, npathlen, am_args)
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char *host;
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char *rpath;
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char *npath;
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int npathlen;
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TOKEN am_args;
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{
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char rfile[MAXPATHLEN];
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char lmpt[MAXPATHLEN];
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char *rmpt; /* remote mount point */
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char rmparg[MAXPATHLEN];
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char *suffix; /* path from remote mount point. */
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char *rf = rfile;
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char *a;
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int devnl;
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int tmp;
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int pid;
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#ifdef BSD_UNION_WAIT
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union wait status;
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#else
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int status;
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#endif
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int start = 0;
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#ifdef ULTRIX
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struct fs_data buffer;
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struct fs_data *buf = &buffer;
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#else
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struct mntent *mtentry;
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FILE *mtab;
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#endif
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rmpt = elt(am_args, 5); /* mount point on remote host. */
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suffix = elt(am_args, 4); /* object handle used by NFS on remote host */
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sprintf(rf,"%s:%s/%s",host,rmpt,suffix);
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#ifdef ULTRIX
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while(getmountent(&start, buf, 1) > 0) {
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devnl = strlen(buf->fd_devname);
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if(!strncmp(rfile,buf->fd_devname,devnl)) {
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qsprintf(npath, npathlen, "%s%s",buf->fd_path,rfile+devnl);
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return(PSUCCESS);
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}
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}
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#else
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DISABLE_PFS(mtab = setmntent("/etc/mtab","r"));
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while(mtentry = getmntent(mtab)) {
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devnl = strlen(mtentry->mnt_fsname);
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if(!strncmp(rfile,mtentry->mnt_fsname,devnl)) {
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qsprintf(npath, npathlen, "%s%s",mtentry->mnt_dir,rfile+devnl);
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endmntent(mtab);
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return(PSUCCESS);
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}
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}
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endmntent(mtab);
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#endif
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sprintf(lmpt,"/tmp/pfs_mount/%s%s",host,rmpt);
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a = lmpt + strlen(lmpt) - strlen(rmpt);
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while(*a) {
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if(*a == '/') *a = '-';
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a++;
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}
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mkdir("/tmp/pfs_mount",0777);
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chmod("/tmp/pfs_mount",0777);
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mkdir(lmpt,0777);
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chmod(lmpt,0777);
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sprintf(rmparg,"%s:%s",host,rmpt);
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/* should really do this on our own without */
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/* calling system, but... */
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pid = fork();
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if (pid == 0) {
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#ifdef ULTRIX
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DISABLE_PFS(execl("/etc/mount","mount", "-t", "nfs",
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"-o", "rw,hard,intr,retry=20",
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rmparg, lmpt, 0));
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#else
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DISABLE_PFS(execl("/etc/mount","mount", rmparg, lmpt, 0));
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#endif
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exit(1);
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}
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else {
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wait(&status);
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}
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#ifdef BSD_UNION_WAIT
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tmp = status.w_T.w_Retcode;
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#else
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tmp = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
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#endif
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if(tmp) RETURNPFAILURE;
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qsprintf(npath, npathlen, "%s/%s",lmpt,suffix);
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return(PSUCCESS);
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}
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#endif P_NFS
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