struct puffs_node *
makenode(struct puffs_usermount *pu, struct puffs_node *parent,
const struct psshfs_dir *pd, const struct vattr *vap)
{
struct psshfs_node *psn_parent = parent->pn_data;
struct psshfs_node *psn;
struct puffs_node *pn;
psn = emalloc(sizeof(struct psshfs_node));
memset(psn, 0, sizeof(struct psshfs_node));
pn = puffs_pn_new(pu, psn);
if (!pn) {
free(psn);
return NULL;
}
setpnva(pu, pn, &pd->va);
setpnva(pu, pn, vap);
psn->attrread = pd->attrread;
psn->parent = parent;
psn_parent->childcount++;
TAILQ_INIT(&psn->pw);
return pn;
}
static int
sysctlfs_domount(struct puffs_usermount *pu)
{
struct puffs_pathobj *po_root;
struct puffs_node *pn_root;
struct timeval tv_now;
rn.myid = 2;
rn.sysctl_flags = CTLTYPE_NODE;
gettimeofday(&tv_now, NULL);
TIMEVAL_TO_TIMESPEC(&tv_now, &fstime);
pn_root = puffs_pn_new(pu, &rn);
assert(pn_root != NULL);
puffs_setroot(pu, pn_root);
po_root = puffs_getrootpathobj(pu);
po_root->po_path = &sname_root;
po_root->po_len = 0;
fileuid = geteuid();
filegid = getegid();
if (fileuid == 0)
fileperms = 0755;
else
fileperms = 0555;
return 0;
}
struct puffs_node *
perfuse_new_pn(struct puffs_usermount *pu, const char *name,
struct puffs_node *parent)
{
struct perfuse_state *ps = puffs_getspecific(pu);
struct puffs_node *pn;
struct perfuse_node_data *pnd;
if ((pnd = malloc(sizeof(*pnd))) == NULL)
DERR(EX_OSERR, "%s: malloc failed", __func__);
if ((pn = puffs_pn_new(pu, pnd)) == NULL)
DERR(EX_SOFTWARE, "%s: puffs_pn_new failed", __func__);
(void)memset(pnd, 0, sizeof(*pnd));
pnd->pnd_rfh = FUSE_UNKNOWN_FH;
pnd->pnd_wfh = FUSE_UNKNOWN_FH;
pnd->pnd_nodeid = PERFUSE_UNKNOWN_NODEID;
if (parent != NULL) {
pnd->pnd_parent_nodeid = PERFUSE_NODE_DATA(parent)->pnd_nodeid;
} else {
pnd->pnd_parent_nodeid = FUSE_ROOT_ID;
}
pnd->pnd_fuse_nlookup = 0;
pnd->pnd_puffs_nlookup = 0;
pnd->pnd_pn = (puffs_cookie_t)pn;
if (strcmp(name, "..") != 0)
(void)strlcpy(pnd->pnd_name, name, MAXPATHLEN);
else
pnd->pnd_name[0] = 0; /* anonymous for now */
TAILQ_INIT(&pnd->pnd_pcq);
puffs_pn_setpriv(pn, pnd);
ps->ps_nodecount++;
return pn;
}
static int
makenode(struct puffs_usermount *pu, struct puffs_newinfo *pni,
const struct puffs_cn *pcn, const struct vattr *va, int regular)
{
struct puffs_node *pn;
struct stat sb;
int rv;
if ((rv = processvattr(PCNPATH(pcn), va, regular)) != 0)
return rv;
pn = puffs_pn_new(pu, NULL);
if (!pn)
return ENOMEM;
puffs_setvattr(&pn->pn_va, va);
if (lstat(PCNPATH(pcn), &sb) == -1)
return errno;
puffs_stat2vattr(&pn->pn_va, &sb);
puffs_newinfo_setcookie(pni, pn);
return 0;
}
int
puffs_null_node_lookup(struct puffs_usermount *pu, puffs_cookie_t opc,
struct puffs_newinfo *pni, const struct puffs_cn *pcn)
{
struct puffs_node *pn = opc, *pn_res;
struct stat sb;
int rv;
assert(pn->pn_va.va_type == VDIR);
/*
* Note to whoever is copypasting this: you must first check
* if the node is there and only then do nodewalk. Alternatively
* you could make sure that you don't return unlinked/rmdir'd
* nodes in some other fashion
*/
rv = lstat(PCNPATH(pcn), &sb);
if (rv)
return errno;
/* XXX2: nodewalk is a bit too slow here */
pn_res = puffs_pn_nodewalk(pu, inodecmp, &sb.st_ino);
if (pn_res == NULL) {
pn_res = puffs_pn_new(pu, NULL);
if (pn_res == NULL)
return ENOMEM;
puffs_stat2vattr(&pn_res->pn_va, &sb);
}
puffs_newinfo_setcookie(pni, pn_res);
puffs_newinfo_setvtype(pni, pn_res->pn_va.va_type);
puffs_newinfo_setsize(pni, (off_t)pn_res->pn_va.va_size);
puffs_newinfo_setrdev(pni, pn_res->pn_va.va_rdev);
return 0;
}
static struct puffs_node *
getnode(struct puffs_usermount *pu, struct puffs_pathobj *po, int nodetype)
{
struct sysctlnode sn[SFS_NODEPERDIR];
struct sysctlnode qnode;
struct puffs_node *pn;
struct sfsnode *sfs;
SfsName myname, *sname;
size_t sl, i;
/*
* Check if we need to create a new in-memory node or if we
* already have one for this path. Shortcut for the rootnode.
* Also, memcmp against zero-length would be quite true always.
*/
if (po->po_len == 0)
pn = puffs_getroot(pu);
else
pn = puffs_pn_nodewalk(pu, puffs_path_walkcmp, po);
if (pn == NULL)
return NULL;
/*
* don't know nodetype? query...
*
* XXX1: nothing really guarantees 0 is an invalid nodetype
* XXX2: is there really no easier way of doing this? we
* know the whole mib path
*/
if (!nodetype) {
sname = po->po_path;
memcpy(myname, po->po_path, po->po_len * sizeof(myname[0]));
memset(&qnode, 0, sizeof(qnode));
qnode.sysctl_flags = SYSCTL_VERSION;
myname[po->po_len-1] = CTL_QUERY;
sl = sizeof(sn);
if (sysctl(myname, po->po_len, sn, &sl,
&qnode, sizeof(qnode)) == -1)
abort();
for (i = 0; i < sl / sizeof(struct sysctlnode); i++) {
if (sn[i].sysctl_num == (*sname)[po->po_len-1]) {
nodetype = sn[i].sysctl_flags;
break;
}
}
if (!nodetype)
return NULL;
}
sfs = emalloc(sizeof(*sfs));
sfs->sysctl_flags = nodetype;
sfs->myid = nextid++;
pn = puffs_pn_new(pu, sfs);
assert(pn);
return pn;
}
int
main(int argc, char *argv[])
{
struct psshfs_ctx pctx;
struct puffs_usermount *pu;
struct puffs_ops *pops;
struct psshfs_node *root = &pctx.psn_root;
struct puffs_node *pn_root;
puffs_framev_fdnotify_fn notfn;
struct vattr *rva;
mntoptparse_t mp;
char **sshargs;
char *user;
char *host;
char *path;
int mntflags, pflags, ch;
int detach;
int exportfs, refreshival, numconnections;
int nargs;
setprogname(argv[0]);
puffs_unmountonsignal(SIGINT, true);
puffs_unmountonsignal(SIGTERM, true);
if (argc < 3)
usage();
memset(&pctx, 0, sizeof(pctx));
mntflags = pflags = exportfs = nargs = 0;
numconnections = 1;
detach = 1;
refreshival = DEFAULTREFRESH;
notfn = puffs_framev_unmountonclose;
sshargs = NULL;
add_ssharg(&sshargs, &nargs, SSH_PATH);
add_ssharg(&sshargs, &nargs, "-axs");
add_ssharg(&sshargs, &nargs, "-oClearAllForwardings=yes");
while ((ch = getopt(argc, argv, "c:eF:g:o:O:pr:st:u:")) != -1) {
switch (ch) {
case 'c':
numconnections = atoi(optarg);
if (numconnections < 1 || numconnections > 2) {
fprintf(stderr, "%s: only 1 or 2 connections "
"permitted currently\n", getprogname());
usage();
/*NOTREACHED*/
}
break;
case 'e':
exportfs = 1;
break;
case 'F':
add_ssharg(&sshargs, &nargs, "-F");
add_ssharg(&sshargs, &nargs, optarg);
break;
case 'g':
pctx.domanglegid = 1;
pctx.manglegid = atoi(optarg);
if (pctx.manglegid == (gid_t)-1)
errx(1, "-1 not allowed for -g");
pctx.mygid = getegid();
break;
case 'O':
add_ssharg(&sshargs, &nargs, "-o");
add_ssharg(&sshargs, &nargs, optarg);
break;
case 'o':
mp = getmntopts(optarg, puffsmopts, &mntflags, &pflags);
if (mp == NULL)
err(1, "getmntopts");
freemntopts(mp);
break;
case 'p':
notfn = psshfs_notify;
break;
case 'r':
max_reads = atoi(optarg);
break;
case 's':
detach = 0;
break;
case 't':
refreshival = atoi(optarg);
if (refreshival < 0 && refreshival != -1)
errx(1, "invalid timeout %d", refreshival);
break;
case 'u':
pctx.domangleuid = 1;
pctx.mangleuid = atoi(optarg);
if (pctx.mangleuid == (uid_t)-1)
errx(1, "-1 not allowed for -u");
pctx.myuid = geteuid();
break;
default:
usage();
/*NOTREACHED*/
}
}
argc -= optind;
argv += optind;
if (pflags & PUFFS_FLAG_OPDUMP)
detach = 0;
pflags |= PUFFS_FLAG_BUILDPATH;
pflags |= PUFFS_KFLAG_WTCACHE | PUFFS_KFLAG_IAONDEMAND;
if (argc != 2)
usage();
PUFFSOP_INIT(pops);
PUFFSOP_SET(pops, psshfs, fs, unmount);
PUFFSOP_SETFSNOP(pops, sync); /* XXX */
PUFFSOP_SET(pops, psshfs, fs, statvfs);
PUFFSOP_SET(pops, psshfs, fs, nodetofh);
PUFFSOP_SET(pops, psshfs, fs, fhtonode);
PUFFSOP_SET(pops, psshfs, node, lookup);
PUFFSOP_SET(pops, psshfs, node, create);
PUFFSOP_SET(pops, psshfs, node, open);
PUFFSOP_SET(pops, psshfs, node, inactive);
PUFFSOP_SET(pops, psshfs, node, readdir);
PUFFSOP_SET(pops, psshfs, node, getattr);
PUFFSOP_SET(pops, psshfs, node, setattr);
PUFFSOP_SET(pops, psshfs, node, mkdir);
PUFFSOP_SET(pops, psshfs, node, remove);
PUFFSOP_SET(pops, psshfs, node, readlink);
PUFFSOP_SET(pops, psshfs, node, rmdir);
PUFFSOP_SET(pops, psshfs, node, symlink);
PUFFSOP_SET(pops, psshfs, node, rename);
PUFFSOP_SET(pops, psshfs, node, read);
PUFFSOP_SET(pops, psshfs, node, write);
PUFFSOP_SET(pops, psshfs, node, reclaim);
pu = puffs_init(pops, argv[0], "psshfs", &pctx, pflags);
if (pu == NULL)
err(1, "puffs_init");
pctx.mounttime = time(NULL);
pctx.refreshival = refreshival;
pctx.numconnections = numconnections;
user = strdup(argv[0]);
if ((host = strrchr(user, '@')) == NULL) {
host = user;
} else {
*host++ = '\0'; /* break at the '@' */
if (user[0] == '\0') {
fprintf(stderr, "Missing username\n");
usage();
}
add_ssharg(&sshargs, &nargs, "-l");
add_ssharg(&sshargs, &nargs, user);
}
if ((path = colon(host)) != NULL) {
*path++ = '\0'; /* break at the ':' */
pctx.mountpath = path;
} else {
pctx.mountpath = ".";
}
host = cleanhostname(host);
if (host[0] == '\0') {
fprintf(stderr, "Missing hostname\n");
usage();
}
add_ssharg(&sshargs, &nargs, host);
add_ssharg(&sshargs, &nargs, "sftp");
pctx.sshargs = sshargs;
pctx.nextino = 2;
memset(root, 0, sizeof(struct psshfs_node));
TAILQ_INIT(&root->pw);
pn_root = puffs_pn_new(pu, root);
if (pn_root == NULL)
return errno;
puffs_setroot(pu, pn_root);
puffs_framev_init(pu, psbuf_read, psbuf_write, psbuf_cmp, NULL, notfn);
signal(SIGHUP, takehup);
puffs_ml_setloopfn(pu, psshfs_loopfn);
if (pssh_connect(pu, PSSHFD_META) == -1)
err(1, "can't connect meta");
if (puffs_framev_addfd(pu, pctx.sshfd,
PUFFS_FBIO_READ | PUFFS_FBIO_WRITE) == -1)
err(1, "framebuf addfd meta");
if (numconnections == 2) {
if (pssh_connect(pu, PSSHFD_DATA) == -1)
err(1, "can't connect data");
if (puffs_framev_addfd(pu, pctx.sshfd_data,
PUFFS_FBIO_READ | PUFFS_FBIO_WRITE) == -1)
err(1, "framebuf addfd data");
} else {
pctx.sshfd_data = pctx.sshfd;
}
if (exportfs)
puffs_setfhsize(pu, sizeof(struct psshfs_fid),
PUFFS_FHFLAG_NFSV2 | PUFFS_FHFLAG_NFSV3);
rva = &pn_root->pn_va;
rva->va_fileid = pctx.nextino++;
/*
* For root link count, just guess something ridiculously high.
* Guessing too high has no known adverse effects, but fts(3)
* doesn't like too low values. This guess will be replaced
* with the real value when readdir is first called for
* the root directory.
*/
rva->va_nlink = 8811;
if (detach)
if (puffs_daemon(pu, 1, 1) == -1)
err(1, "puffs_daemon");
if (puffs_mount(pu, argv[1], mntflags, puffs_getroot(pu)) == -1)
err(1, "puffs_mount");
if (puffs_setblockingmode(pu, PUFFSDEV_NONBLOCK) == -1)
err(1, "setblockingmode");
if (puffs_mainloop(pu) == -1)
err(1, "mainloop");
puffs_exit(pu, 1);
return 0;
}
int
main(int argc, char *argv[])
{
struct puffs_usermount *pu;
struct puffs_ops *pops;
struct puffs_pathobj *po_root;
struct puffs_node *pn_root;
struct stat sb;
int mntflags, pflags;
int ch;
int detach;
setprogname(argv[0]);
if (argc < 3)
usage();
pflags = mntflags = 0;
detach = 1;
while ((ch = getopt(argc, argv, "o:s")) != -1) {
switch (ch) {
case 'o':
getmntopts(optarg, puffsmopts, &mntflags, &pflags);
break;
case 's':
detach = 0;
break;
}
}
pflags |= PUFFS_FLAG_BUILDPATH;
argv += optind;
argc -= optind;
if (pflags & PUFFS_FLAG_OPDUMP)
detach = 0;
if (argc != 2)
usage();
if (lstat(argv[0], &sb) == -1)
err(1, "stat %s", argv[0]);
if ((sb.st_mode & S_IFDIR) == 0)
errx(1, "%s is not a directory", argv[0]);
PUFFSOP_INIT(pops);
puffs_null_setops(pops);
if ((pu = puffs_init(pops, argv[0], "pnullfs", NULL, pflags)) == NULL)
err(1, "init");
pn_root = puffs_pn_new(pu, NULL);
if (pn_root == NULL)
err(1, "puffs_pn_new");
puffs_setroot(pu, pn_root);
puffs_setfhsize(pu, 0, PUFFS_FHFLAG_PASSTHROUGH);
po_root = puffs_getrootpathobj(pu);
if (po_root == NULL)
err(1, "getrootpathobj");
po_root->po_path = argv[0];
po_root->po_len = strlen(argv[0]);
puffs_stat2vattr(&pn_root->pn_va, &sb);
if (detach)
if (puffs_daemon(pu, 1, 1) == -1)
err(1, "puffs_daemon");
if (puffs_mount(pu, argv[1], mntflags, pn_root) == -1)
err(1, "puffs_mount");
if (puffs_mainloop(pu) == -1)
err(1, "mainloop");
return 0;
}
int
main(int argc, char *argv[])
{
struct psshfs_ctx pctx;
struct puffs_usermount *pu;
struct puffs_ops *pops;
struct psshfs_node *root = &pctx.psn_root;
struct puffs_node *pn_root;
puffs_framev_fdnotify_fn notfn;
struct vattr *rva;
char **sshargs;
char *userhost;
char *hostpath;
int mntflags, pflags, ch;
int detach;
int exportfs, refreshival, numconnections;
int nargs;
setprogname(argv[0]);
if (argc < 3)
usage();
mntflags = pflags = exportfs = nargs = 0;
numconnections = 1;
detach = 1;
refreshival = DEFAULTREFRESH;
notfn = puffs_framev_unmountonclose;
sshargs = NULL;
add_ssharg(&sshargs, &nargs, SSH_PATH);
add_ssharg(&sshargs, &nargs, "-axs");
add_ssharg(&sshargs, &nargs, "-oClearAllForwardings=yes");
while ((ch = getopt(argc, argv, "c:eF:o:O:pr:st:")) != -1) {
switch (ch) {
case 'c':
numconnections = atoi(optarg);
if (numconnections < 1 || numconnections > 2) {
fprintf(stderr, "%s: only 1 or 2 connections "
"permitted currently\n", getprogname());
usage();
/*NOTREACHED*/
}
break;
case 'e':
exportfs = 1;
break;
case 'F':
add_ssharg(&sshargs, &nargs, "-F");
add_ssharg(&sshargs, &nargs, optarg);
break;
case 'O':
add_ssharg(&sshargs, &nargs, "-o");
add_ssharg(&sshargs, &nargs, optarg);
break;
case 'o':
getmntopts(optarg, puffsmopts, &mntflags, &pflags);
break;
case 'p':
notfn = psshfs_notify;
break;
case 'r':
max_reads = atoi(optarg);
break;
case 's':
detach = 0;
break;
case 't':
refreshival = atoi(optarg);
if (refreshival < 0 && refreshival != -1)
errx(1, "invalid timeout %d", refreshival);
break;
default:
usage();
/*NOTREACHED*/
}
}
argc -= optind;
argv += optind;
if (pflags & PUFFS_FLAG_OPDUMP)
detach = 0;
pflags |= PUFFS_FLAG_BUILDPATH;
pflags |= PUFFS_KFLAG_WTCACHE | PUFFS_KFLAG_IAONDEMAND;
if (argc != 2)
usage();
PUFFSOP_INIT(pops);
PUFFSOP_SET(pops, psshfs, fs, unmount);
PUFFSOP_SETFSNOP(pops, sync); /* XXX */
PUFFSOP_SET(pops, psshfs, fs, statvfs);
PUFFSOP_SET(pops, psshfs, fs, nodetofh);
PUFFSOP_SET(pops, psshfs, fs, fhtonode);
PUFFSOP_SET(pops, psshfs, node, lookup);
PUFFSOP_SET(pops, psshfs, node, create);
PUFFSOP_SET(pops, psshfs, node, open);
PUFFSOP_SET(pops, psshfs, node, inactive);
PUFFSOP_SET(pops, psshfs, node, readdir);
PUFFSOP_SET(pops, psshfs, node, getattr);
PUFFSOP_SET(pops, psshfs, node, setattr);
PUFFSOP_SET(pops, psshfs, node, mkdir);
PUFFSOP_SET(pops, psshfs, node, remove);
PUFFSOP_SET(pops, psshfs, node, readlink);
PUFFSOP_SET(pops, psshfs, node, rmdir);
PUFFSOP_SET(pops, psshfs, node, symlink);
PUFFSOP_SET(pops, psshfs, node, rename);
PUFFSOP_SET(pops, psshfs, node, read);
PUFFSOP_SET(pops, psshfs, node, write);
PUFFSOP_SET(pops, psshfs, node, reclaim);
pu = puffs_init(pops, argv[0], "psshfs", &pctx, pflags);
if (pu == NULL)
err(1, "puffs_init");
memset(&pctx, 0, sizeof(pctx));
pctx.mounttime = time(NULL);
pctx.refreshival = refreshival;
pctx.numconnections = numconnections;
userhost = argv[0];
hostpath = strchr(userhost, ':');
if (hostpath) {
*hostpath++ = '\0';
pctx.mountpath = hostpath;
} else
pctx.mountpath = ".";
add_ssharg(&sshargs, &nargs, argv[0]);
add_ssharg(&sshargs, &nargs, "sftp");
pctx.sshargs = sshargs;
pctx.nextino = 2;
memset(root, 0, sizeof(struct psshfs_node));
pn_root = puffs_pn_new(pu, root);
if (pn_root == NULL)
return errno;
puffs_setroot(pu, pn_root);
puffs_framev_init(pu, psbuf_read, psbuf_write, psbuf_cmp, NULL, notfn);
signal(SIGHUP, takehup);
puffs_ml_setloopfn(pu, psshfs_loopfn);
if (pssh_connect(pu, PSSHFD_META) == -1)
err(1, "can't connect meta");
if (puffs_framev_addfd(pu, pctx.sshfd,
PUFFS_FBIO_READ | PUFFS_FBIO_WRITE) == -1)
err(1, "framebuf addfd meta");
if (numconnections == 2) {
if (pssh_connect(pu, PSSHFD_DATA) == -1)
err(1, "can't connect data");
if (puffs_framev_addfd(pu, pctx.sshfd_data,
PUFFS_FBIO_READ | PUFFS_FBIO_WRITE) == -1)
err(1, "framebuf addfd data");
} else {
pctx.sshfd_data = pctx.sshfd;
}
if (exportfs)
puffs_setfhsize(pu, sizeof(struct psshfs_fid),
PUFFS_FHFLAG_NFSV2 | PUFFS_FHFLAG_NFSV3);
rva = &pn_root->pn_va;
rva->va_fileid = pctx.nextino++;
rva->va_nlink = 101; /* XXX */
if (detach)
if (puffs_daemon(pu, 1, 1) == -1)
err(1, "puffs_daemon");
if (puffs_mount(pu, argv[1], mntflags, puffs_getroot(pu)) == -1)
err(1, "puffs_mount");
if (puffs_setblockingmode(pu, PUFFSDEV_NONBLOCK) == -1)
err(1, "setblockingmode");
if (puffs_mainloop(pu) == -1)
err(1, "mainloop");
puffs_exit(pu, 1);
return 0;
}