delete import, oexportfs src
This commit is contained in:
parent
af561602ea
commit
53fb93e64a
3 changed files with 1 additions and 814 deletions
|
@ -1,6 +1,6 @@
|
|||
</$objtype/mkfile
|
||||
|
||||
TARG=exportfs oexportfs
|
||||
TARG=exportfs
|
||||
OFILES=\
|
||||
exportsrv.$O\
|
||||
pattern.$O\
|
||||
|
|
|
@ -1,432 +0,0 @@
|
|||
/*
|
||||
* oexportfs - legacy exportfs for cpu and import
|
||||
*/
|
||||
#include <u.h>
|
||||
#include <libc.h>
|
||||
#include <auth.h>
|
||||
#include <fcall.h>
|
||||
#include <libsec.h>
|
||||
#define Extern
|
||||
#include "exportfs.h"
|
||||
|
||||
enum {
|
||||
Encnone,
|
||||
Encssl,
|
||||
Enctls,
|
||||
};
|
||||
|
||||
int srvfd = -1;
|
||||
int nonone = 1;
|
||||
char *filterp;
|
||||
char *ealgs = "rc4_256 sha1";
|
||||
char *aanfilter = "/bin/aan";
|
||||
int encproto = Encnone;
|
||||
int readonly;
|
||||
|
||||
static char *anstring = "tcp!*!0";
|
||||
|
||||
static void
|
||||
filter(int fd, char *cmd, char *host)
|
||||
{
|
||||
char addr[128], buf[256], *s, *file, *argv[16];
|
||||
int lfd, p[2], len, argc;
|
||||
|
||||
if(host == nil){
|
||||
/* Get a free port and post it to the client. */
|
||||
if (announce(anstring, addr) < 0)
|
||||
fatal("filter: Cannot announce %s: %r", anstring);
|
||||
|
||||
snprint(buf, sizeof(buf), "%s/local", addr);
|
||||
if ((lfd = open(buf, OREAD)) < 0)
|
||||
fatal("filter: Cannot open %s: %r", buf);
|
||||
if ((len = read(lfd, buf, sizeof buf - 1)) < 0)
|
||||
fatal("filter: Cannot read %s: %r", buf);
|
||||
close(lfd);
|
||||
buf[len] = '\0';
|
||||
if ((s = strchr(buf, '\n')) != nil)
|
||||
len = s - buf;
|
||||
if (write(fd, buf, len) != len)
|
||||
fatal("filter: cannot write port; %r");
|
||||
} else {
|
||||
/* Read address string from connection */
|
||||
if ((len = read(fd, buf, sizeof buf - 1)) < 0)
|
||||
sysfatal("filter: cannot write port; %r");
|
||||
buf[len] = '\0';
|
||||
|
||||
if ((s = strrchr(buf, '!')) == nil)
|
||||
sysfatal("filter: illegally formatted port %s", buf);
|
||||
strecpy(addr, addr+sizeof(addr), netmkaddr(host, "tcp", s+1));
|
||||
strecpy(strrchr(addr, '!'), addr+sizeof(addr), s);
|
||||
}
|
||||
|
||||
DEBUG(2, "filter: %s\n", addr);
|
||||
|
||||
snprint(buf, sizeof(buf), "%s", cmd);
|
||||
argc = tokenize(buf, argv, nelem(argv)-3);
|
||||
if (argc == 0)
|
||||
sysfatal("filter: empty command");
|
||||
|
||||
if(host != nil)
|
||||
argv[argc++] = "-c";
|
||||
argv[argc++] = addr;
|
||||
argv[argc] = nil;
|
||||
|
||||
file = argv[0];
|
||||
if((s = strrchr(argv[0], '/')) != nil)
|
||||
argv[0] = s+1;
|
||||
|
||||
if(pipe(p) < 0)
|
||||
sysfatal("pipe: %r");
|
||||
|
||||
switch(rfork(RFNOWAIT|RFPROC|RFMEM|RFFDG|RFREND)) {
|
||||
case -1:
|
||||
fatal("filter: rfork; %r\n");
|
||||
case 0:
|
||||
close(fd);
|
||||
if (dup(p[0], 1) < 0)
|
||||
fatal("filter: Cannot dup to 1; %r");
|
||||
if (dup(p[0], 0) < 0)
|
||||
fatal("filter: Cannot dup to 0; %r");
|
||||
close(p[0]);
|
||||
close(p[1]);
|
||||
exec(file, argv);
|
||||
fatal("filter: exec; %r");
|
||||
default:
|
||||
dup(p[1], fd);
|
||||
close(p[0]);
|
||||
close(p[1]);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
mksecret(char *t, uchar *f)
|
||||
{
|
||||
sprint(t, "%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux",
|
||||
f[0], f[1], f[2], f[3], f[4], f[5], f[6], f[7], f[8], f[9]);
|
||||
}
|
||||
|
||||
void
|
||||
usage(void)
|
||||
{
|
||||
fprint(2, "usage: %s [-adnsR] [-m msize] [-r root] "
|
||||
"[-S srvfile] [-e 'crypt hash'] [-P exclusion-file] "
|
||||
"[-A announce-string] [-B address]\n", argv0);
|
||||
fatal("usage");
|
||||
}
|
||||
|
||||
void
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
char buf[ERRMAX], ebuf[ERRMAX], initial[4], *ini, *srvfdfile;
|
||||
char *srv, *na, *nsfile, *keyspec;
|
||||
int doauth, n, fd;
|
||||
AuthInfo *ai;
|
||||
Fsrpc *r;
|
||||
|
||||
srv = nil;
|
||||
srvfd = -1;
|
||||
srvfdfile = nil;
|
||||
na = nil;
|
||||
nsfile = nil;
|
||||
keyspec = "";
|
||||
doauth = 0;
|
||||
|
||||
ai = nil;
|
||||
ARGBEGIN{
|
||||
case 'a':
|
||||
doauth = 1;
|
||||
break;
|
||||
|
||||
case 'd':
|
||||
dbg++;
|
||||
break;
|
||||
|
||||
case 'e':
|
||||
ealgs = EARGF(usage());
|
||||
if(*ealgs == 0 || strcmp(ealgs, "clear") == 0)
|
||||
ealgs = nil;
|
||||
break;
|
||||
|
||||
case 'k':
|
||||
keyspec = EARGF(usage());
|
||||
break;
|
||||
|
||||
case 'm':
|
||||
messagesize = strtoul(EARGF(usage()), nil, 0);
|
||||
break;
|
||||
|
||||
case 'n':
|
||||
nonone = 0;
|
||||
break;
|
||||
|
||||
case 'r':
|
||||
srv = EARGF(usage());
|
||||
break;
|
||||
|
||||
case 's':
|
||||
srv = "/";
|
||||
break;
|
||||
|
||||
case 'A':
|
||||
anstring = EARGF(usage());
|
||||
break;
|
||||
|
||||
case 'B':
|
||||
na = EARGF(usage());
|
||||
break;
|
||||
|
||||
case 'F':
|
||||
/* accepted but ignored, for backwards compatibility */
|
||||
break;
|
||||
|
||||
case 'N':
|
||||
nsfile = EARGF(usage());
|
||||
break;
|
||||
|
||||
case 'P':
|
||||
patternfile = EARGF(usage());
|
||||
break;
|
||||
|
||||
case 'R':
|
||||
readonly = 1;
|
||||
break;
|
||||
|
||||
case 'S':
|
||||
if(srvfdfile != nil)
|
||||
usage();
|
||||
srvfdfile = EARGF(usage());
|
||||
break;
|
||||
|
||||
default:
|
||||
usage();
|
||||
}ARGEND
|
||||
USED(argc, argv);
|
||||
|
||||
if(na == nil && doauth){
|
||||
/*
|
||||
* We use p9any so we don't have to visit this code again, with the
|
||||
* cost that this code is incompatible with the old world, which
|
||||
* requires p9sk2. (The two differ in who talks first, so compatibility
|
||||
* is awkward.)
|
||||
*/
|
||||
ai = auth_proxy(0, auth_getkey, "proto=p9any role=server %s", keyspec);
|
||||
if(ai == nil)
|
||||
fatal("auth_proxy: %r");
|
||||
if(nonone && strcmp(ai->cuid, "none") == 0)
|
||||
fatal("exportfs by none disallowed");
|
||||
if(auth_chuid(ai, nsfile) < 0)
|
||||
fatal("auth_chuid: %r");
|
||||
else { /* chown network connection */
|
||||
Dir nd;
|
||||
nulldir(&nd);
|
||||
nd.mode = 0660;
|
||||
nd.uid = ai->cuid;
|
||||
dirfwstat(0, &nd);
|
||||
}
|
||||
putenv("service", "exportfs");
|
||||
}
|
||||
|
||||
if(srvfdfile != nil){
|
||||
if((srvfd = open(srvfdfile, ORDWR)) < 0)
|
||||
fatal("open %s: %r", srvfdfile);
|
||||
}
|
||||
|
||||
if(na != nil){
|
||||
if(srv == nil)
|
||||
fatal("-B requires -s");
|
||||
|
||||
if((fd = dial(netmkaddr(na, 0, "importfs"), 0, 0, 0)) < 0)
|
||||
fatal("can't dial %s: %r", na);
|
||||
|
||||
ai = auth_proxy(fd, auth_getkey, "proto=p9any role=client %s", keyspec);
|
||||
if(ai == nil)
|
||||
fatal("%r: %s", na);
|
||||
|
||||
dup(fd, 0);
|
||||
dup(fd, 1);
|
||||
close(fd);
|
||||
}
|
||||
|
||||
exclusions();
|
||||
|
||||
if(srvfd >= 0 && srv != nil){
|
||||
fprint(2, "%s: -S cannot be used with -r or -s\n", argv0);
|
||||
usage();
|
||||
}
|
||||
|
||||
DEBUG(2, "%s: started\n", argv0);
|
||||
|
||||
rfork(RFNOTEG|RFREND);
|
||||
|
||||
if(messagesize == 0){
|
||||
messagesize = iounit(0);
|
||||
if(messagesize == 0)
|
||||
messagesize = 8192+IOHDRSZ;
|
||||
}
|
||||
fhash = emallocz(sizeof(Fid*)*FHASHSIZE);
|
||||
|
||||
fmtinstall('F', fcallfmt);
|
||||
|
||||
/*
|
||||
* Get tree to serve from network connection,
|
||||
* check we can get there and ack the connection
|
||||
*/
|
||||
if(srvfd != -1) {
|
||||
/* do nothing */
|
||||
}
|
||||
else if(srv != nil) {
|
||||
if(chdir(srv) < 0) {
|
||||
ebuf[0] = '\0';
|
||||
errstr(ebuf, sizeof ebuf);
|
||||
DEBUG(2, "chdir(\"%s\"): %s\n", srv, ebuf);
|
||||
mounterror(ebuf);
|
||||
}
|
||||
DEBUG(2, "invoked as server for %s", srv);
|
||||
strncpy(buf, srv, sizeof buf);
|
||||
}
|
||||
else {
|
||||
buf[0] = 0;
|
||||
n = read(0, buf, sizeof(buf)-1);
|
||||
if(n < 0) {
|
||||
errstr(buf, sizeof buf);
|
||||
fprint(0, "read(0): %s\n", buf);
|
||||
DEBUG(2, "read(0): %s\n", buf);
|
||||
exits(buf);
|
||||
}
|
||||
buf[n] = 0;
|
||||
if(chdir(buf) < 0) {
|
||||
errstr(ebuf, sizeof ebuf);
|
||||
fprint(0, "chdir(%d:\"%s\"): %s\n", n, buf, ebuf);
|
||||
DEBUG(2, "chdir(%d:\"%s\"): %s\n", n, buf, ebuf);
|
||||
exits(ebuf);
|
||||
}
|
||||
}
|
||||
|
||||
DEBUG(2, "\niniting root\n");
|
||||
initroot();
|
||||
|
||||
DEBUG(2, "%s: %s\n", argv0, buf);
|
||||
|
||||
if(srv == nil && srvfd == -1 && write(0, "OK", 2) != 2)
|
||||
fatal("open ack write");
|
||||
|
||||
ini = initial;
|
||||
n = readn(0, initial, sizeof(initial));
|
||||
if(n == 0)
|
||||
fatal(nil); /* port scan or spurious open/close on exported /srv file (unmount) */
|
||||
if(n < sizeof(initial))
|
||||
fatal("can't read initial string: %r");
|
||||
|
||||
if(memcmp(ini, "impo", 4) == 0) {
|
||||
char buf[128], *p, *args[3];
|
||||
|
||||
ini = nil;
|
||||
p = buf;
|
||||
for(;;){
|
||||
if((n = read(0, p, 1)) < 0)
|
||||
fatal("can't read impo arguments: %r");
|
||||
if(n == 0)
|
||||
fatal("connection closed while reading arguments");
|
||||
if(*p == '\n')
|
||||
*p = '\0';
|
||||
if(*p++ == '\0')
|
||||
break;
|
||||
if(p >= buf + sizeof(buf))
|
||||
fatal("import parameters too long");
|
||||
}
|
||||
|
||||
if(tokenize(buf, args, nelem(args)) != 2)
|
||||
fatal("impo arguments invalid: impo%s...", buf);
|
||||
|
||||
if(strcmp(args[0], "aan") == 0)
|
||||
filterp = aanfilter;
|
||||
else if(strcmp(args[0], "nofilter") != 0)
|
||||
fatal("import filter argument unsupported: %s", args[0]);
|
||||
|
||||
if(strcmp(args[1], "ssl") == 0)
|
||||
encproto = Encssl;
|
||||
else if(strcmp(args[1], "tls") == 0)
|
||||
encproto = Enctls;
|
||||
else if(strcmp(args[1], "clear") != 0)
|
||||
fatal("import encryption proto unsupported: %s", args[1]);
|
||||
|
||||
if(encproto == Enctls)
|
||||
fatal("%s: tls has not yet been implemented", argv[0]);
|
||||
}
|
||||
|
||||
if(encproto != Encnone && ealgs != nil && ai != nil) {
|
||||
uchar key[16], digest[SHA1dlen];
|
||||
char fromclientsecret[21];
|
||||
char fromserversecret[21];
|
||||
int i;
|
||||
|
||||
if(ai->nsecret < 8)
|
||||
fatal("secret too small for ssl");
|
||||
memmove(key+4, ai->secret, 8);
|
||||
|
||||
/* exchange random numbers */
|
||||
srand(truerand());
|
||||
for(i = 0; i < 4; i++)
|
||||
key[i+12] = rand();
|
||||
|
||||
if(ini != nil)
|
||||
fatal("Protocol botch: old import");
|
||||
if(readn(0, key, 4) != 4)
|
||||
fatal("can't read key part; %r");
|
||||
|
||||
if(write(0, key+12, 4) != 4)
|
||||
fatal("can't write key part; %r");
|
||||
|
||||
/* scramble into two secrets */
|
||||
sha1(key, sizeof(key), digest, nil);
|
||||
mksecret(fromclientsecret, digest);
|
||||
mksecret(fromserversecret, digest+10);
|
||||
|
||||
if(filterp != nil)
|
||||
filter(0, filterp, na);
|
||||
|
||||
switch(encproto) {
|
||||
case Encssl:
|
||||
fd = pushssl(0, ealgs, fromserversecret, fromclientsecret, nil);
|
||||
if(fd < 0)
|
||||
fatal("can't establish ssl connection: %r");
|
||||
if(fd != 0){
|
||||
dup(fd, 0);
|
||||
close(fd);
|
||||
}
|
||||
break;
|
||||
case Enctls:
|
||||
default:
|
||||
fatal("Unsupported encryption protocol");
|
||||
}
|
||||
}
|
||||
else if(filterp != nil) {
|
||||
if(ini != nil)
|
||||
fatal("Protocol botch: don't know how to deal with this");
|
||||
filter(0, filterp, na);
|
||||
}
|
||||
dup(0, 1);
|
||||
|
||||
if(ai != nil)
|
||||
auth_freeAI(ai);
|
||||
|
||||
if(ini != nil){
|
||||
extern void (*fcalls[])(Fsrpc*);
|
||||
|
||||
r = getsbuf();
|
||||
memmove(r->buf, ini, BIT32SZ);
|
||||
n = GBIT32(r->buf);
|
||||
if(n <= BIT32SZ || n > messagesize)
|
||||
fatal("bad length in 9P2000 message header");
|
||||
n -= BIT32SZ;
|
||||
if(readn(0, r->buf+BIT32SZ, n) != n)
|
||||
fatal(nil);
|
||||
n += BIT32SZ;
|
||||
|
||||
if(convM2S(r->buf, n, &r->work) != n)
|
||||
fatal("convM2S format error");
|
||||
DEBUG(2, "%F\n", &r->work);
|
||||
(fcalls[r->work.type])(r);
|
||||
}
|
||||
io();
|
||||
}
|
|
@ -1,381 +0,0 @@
|
|||
#include <u.h>
|
||||
#include <libc.h>
|
||||
#include <auth.h>
|
||||
#include <libsec.h>
|
||||
|
||||
enum {
|
||||
Encnone,
|
||||
Encssl,
|
||||
Enctls,
|
||||
};
|
||||
|
||||
static char *encprotos[] = {
|
||||
[Encnone] = "clear",
|
||||
[Encssl] = "ssl",
|
||||
[Enctls] = "tls",
|
||||
nil,
|
||||
};
|
||||
|
||||
char *keyspec = "";
|
||||
char *filterp;
|
||||
char *ealgs = "rc4_256 sha1";
|
||||
int encproto = Encnone;
|
||||
char *aan = "/bin/aan";
|
||||
char *anstring = "tcp!*!0";
|
||||
AuthInfo *ai;
|
||||
int debug;
|
||||
int doauth = 1;
|
||||
int timedout;
|
||||
int skiptree;
|
||||
|
||||
int connect(char*, char*);
|
||||
int passive(void);
|
||||
void catcher(void*, char*);
|
||||
void sysfatal(char*, ...);
|
||||
void usage(void);
|
||||
int filter(int, char *, char *);
|
||||
|
||||
static void mksecret(char *, uchar *);
|
||||
|
||||
void
|
||||
post(char *name, char *envname, int srvfd)
|
||||
{
|
||||
int fd;
|
||||
char buf[32];
|
||||
|
||||
fd = create(name, OWRITE, 0600);
|
||||
if(fd < 0)
|
||||
return;
|
||||
snprint(buf, sizeof(buf), "%d", srvfd);
|
||||
if(write(fd, buf, strlen(buf)) != strlen(buf))
|
||||
sysfatal("srv write: %r");
|
||||
close(fd);
|
||||
putenv(envname, name);
|
||||
}
|
||||
|
||||
static int
|
||||
lookup(char *s, char *l[])
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; l[i] != 0; i++)
|
||||
if (strcmp(l[i], s) == 0)
|
||||
return i;
|
||||
return -1;
|
||||
}
|
||||
|
||||
void
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
char *mntpt, *srvpost, srvfile[64];
|
||||
int backwards = 0, fd, mntflags;
|
||||
|
||||
quotefmtinstall();
|
||||
srvpost = nil;
|
||||
mntflags = MREPL;
|
||||
ARGBEGIN{
|
||||
case 'A':
|
||||
doauth = 0;
|
||||
break;
|
||||
case 'a':
|
||||
mntflags = MAFTER;
|
||||
break;
|
||||
case 'b':
|
||||
mntflags = MBEFORE;
|
||||
break;
|
||||
case 'c':
|
||||
mntflags |= MCREATE;
|
||||
break;
|
||||
case 'C':
|
||||
mntflags |= MCACHE;
|
||||
break;
|
||||
case 'd':
|
||||
debug++;
|
||||
break;
|
||||
case 'f':
|
||||
/* ignored but allowed for compatibility */
|
||||
break;
|
||||
case 'E':
|
||||
if ((encproto = lookup(EARGF(usage()), encprotos)) < 0)
|
||||
usage();
|
||||
break;
|
||||
case 'e':
|
||||
ealgs = EARGF(usage());
|
||||
if(*ealgs == 0 || strcmp(ealgs, "clear") == 0)
|
||||
ealgs = nil;
|
||||
break;
|
||||
case 'k':
|
||||
keyspec = EARGF(usage());
|
||||
break;
|
||||
case 'p':
|
||||
filterp = aan;
|
||||
break;
|
||||
case 'n':
|
||||
anstring = EARGF(usage());
|
||||
break;
|
||||
case 's':
|
||||
srvpost = EARGF(usage());
|
||||
break;
|
||||
case 'B':
|
||||
backwards = 1;
|
||||
break;
|
||||
case 'z':
|
||||
skiptree = 1;
|
||||
break;
|
||||
default:
|
||||
usage();
|
||||
}ARGEND;
|
||||
|
||||
mntpt = 0; /* to shut up compiler */
|
||||
if(backwards){
|
||||
switch(argc) {
|
||||
default:
|
||||
mntpt = argv[0];
|
||||
break;
|
||||
case 0:
|
||||
usage();
|
||||
}
|
||||
} else {
|
||||
switch(argc) {
|
||||
case 2:
|
||||
mntpt = argv[1];
|
||||
break;
|
||||
case 3:
|
||||
mntpt = argv[2];
|
||||
break;
|
||||
default:
|
||||
usage();
|
||||
}
|
||||
}
|
||||
|
||||
if (encproto == Enctls)
|
||||
sysfatal("%s: tls has not yet been implemented", argv[0]);
|
||||
|
||||
notify(catcher);
|
||||
alarm(60*1000);
|
||||
|
||||
if (backwards)
|
||||
fd = passive();
|
||||
else
|
||||
fd = connect(argv[0], argv[1]);
|
||||
|
||||
fprint(fd, "impo %s %s\n", filterp? "aan": "nofilter", encprotos[encproto]);
|
||||
|
||||
if (encproto != Encnone && ealgs && ai) {
|
||||
uchar key[16], digest[SHA1dlen];
|
||||
char fromclientsecret[21];
|
||||
char fromserversecret[21];
|
||||
int i;
|
||||
|
||||
if(ai->nsecret < 8)
|
||||
sysfatal("secret too small to ssl");
|
||||
memmove(key+4, ai->secret, 8);
|
||||
|
||||
/* exchange random numbers */
|
||||
srand(truerand());
|
||||
for(i = 0; i < 4; i++)
|
||||
key[i] = rand();
|
||||
if(write(fd, key, 4) != 4)
|
||||
sysfatal("can't write key part: %r");
|
||||
if(readn(fd, key+12, 4) != 4)
|
||||
sysfatal("can't read key part: %r");
|
||||
|
||||
/* scramble into two secrets */
|
||||
sha1(key, sizeof(key), digest, nil);
|
||||
mksecret(fromclientsecret, digest);
|
||||
mksecret(fromserversecret, digest+10);
|
||||
|
||||
if (filterp)
|
||||
fd = filter(fd, filterp, backwards ? nil : argv[0]);
|
||||
|
||||
/* set up encryption */
|
||||
procsetname("pushssl");
|
||||
fd = pushssl(fd, ealgs, fromclientsecret, fromserversecret, nil);
|
||||
if(fd < 0)
|
||||
sysfatal("can't establish ssl connection: %r");
|
||||
}
|
||||
else if (filterp)
|
||||
fd = filter(fd, filterp, backwards ? nil : argv[0]);
|
||||
|
||||
if(ai)
|
||||
auth_freeAI(ai);
|
||||
|
||||
if(srvpost){
|
||||
snprint(srvfile, sizeof(srvfile), "/srv/%s", srvpost);
|
||||
remove(srvfile);
|
||||
post(srvfile, srvpost, fd);
|
||||
}
|
||||
procsetname("mount on %s", mntpt);
|
||||
if(mount(fd, -1, mntpt, mntflags, "") == -1)
|
||||
sysfatal("can't mount %s: %r", argv[1]);
|
||||
alarm(0);
|
||||
|
||||
if(backwards && argc > 1){
|
||||
exec(argv[1], &argv[1]);
|
||||
sysfatal("exec: %r");
|
||||
}
|
||||
exits(0);
|
||||
}
|
||||
|
||||
void
|
||||
catcher(void*, char *msg)
|
||||
{
|
||||
timedout = 1;
|
||||
if(strcmp(msg, "alarm") == 0)
|
||||
noted(NCONT);
|
||||
noted(NDFLT);
|
||||
}
|
||||
|
||||
int
|
||||
connect(char *system, char *tree)
|
||||
{
|
||||
char buf[ERRMAX], dir[128], *na;
|
||||
int fd, n;
|
||||
|
||||
na = netmkaddr(system, 0, "exportfs");
|
||||
procsetname("dial %s", na);
|
||||
if((fd = dial(na, 0, dir, 0)) < 0)
|
||||
sysfatal("can't dial %s: %r", system);
|
||||
|
||||
if(doauth){
|
||||
procsetname("auth_proxy auth_getkey proto=p9any role=client %s", keyspec);
|
||||
ai = auth_proxy(fd, auth_getkey, "proto=p9any role=client %s", keyspec);
|
||||
if(ai == nil)
|
||||
sysfatal("%r: %s", system);
|
||||
}
|
||||
|
||||
if(!skiptree){
|
||||
procsetname("writing tree name %s", tree);
|
||||
n = write(fd, tree, strlen(tree));
|
||||
if(n < 0)
|
||||
sysfatal("can't write tree: %r");
|
||||
|
||||
strcpy(buf, "can't read tree");
|
||||
|
||||
procsetname("awaiting OK for %s", tree);
|
||||
n = read(fd, buf, sizeof buf - 1);
|
||||
if(n!=2 || buf[0]!='O' || buf[1]!='K'){
|
||||
if (timedout)
|
||||
sysfatal("timed out connecting to %s", na);
|
||||
buf[sizeof buf - 1] = '\0';
|
||||
sysfatal("bad remote tree: %s", buf);
|
||||
}
|
||||
}
|
||||
return fd;
|
||||
}
|
||||
|
||||
int
|
||||
passive(void)
|
||||
{
|
||||
int fd;
|
||||
|
||||
/*
|
||||
* Ignore doauth==0 on purpose. Is it useful here?
|
||||
*/
|
||||
|
||||
procsetname("auth_proxy auth_getkey proto=p9any role=server");
|
||||
ai = auth_proxy(0, auth_getkey, "proto=p9any role=server");
|
||||
if(ai == nil)
|
||||
sysfatal("auth_proxy: %r");
|
||||
if(auth_chuid(ai, nil) < 0)
|
||||
sysfatal("auth_chuid: %r");
|
||||
putenv("service", "import");
|
||||
|
||||
fd = dup(0, -1);
|
||||
close(0);
|
||||
open("/dev/null", ORDWR);
|
||||
close(1);
|
||||
open("/dev/null", ORDWR);
|
||||
|
||||
return fd;
|
||||
}
|
||||
|
||||
void
|
||||
usage(void)
|
||||
{
|
||||
fprint(2, "usage: import [-abcC] [-A] [-E clear|ssl|tls] "
|
||||
"[-e 'crypt auth'|clear] [-k keypattern] [-p] [-n address ] [-z] host remotefs [mountpoint]\n");
|
||||
exits("usage");
|
||||
}
|
||||
|
||||
int
|
||||
filter(int fd, char *cmd, char *host)
|
||||
{
|
||||
char addr[128], buf[256], *s, *file, *argv[16];
|
||||
int lfd, p[2], len, argc;
|
||||
|
||||
if(host == nil){
|
||||
/* Get a free port and post it to the client. */
|
||||
if (announce(anstring, addr) < 0)
|
||||
sysfatal("filter: Cannot announce %s: %r", anstring);
|
||||
|
||||
snprint(buf, sizeof(buf), "%s/local", addr);
|
||||
if ((lfd = open(buf, OREAD)) < 0)
|
||||
sysfatal("filter: Cannot open %s: %r", buf);
|
||||
if ((len = read(lfd, buf, sizeof buf - 1)) < 0)
|
||||
sysfatal("filter: Cannot read %s: %r", buf);
|
||||
close(lfd);
|
||||
buf[len] = '\0';
|
||||
if ((s = strchr(buf, '\n')) != nil)
|
||||
len = s - buf;
|
||||
if (write(fd, buf, len) != len)
|
||||
sysfatal("filter: cannot write port; %r");
|
||||
} else {
|
||||
/* Read address string from connection */
|
||||
if ((len = read(fd, buf, sizeof buf - 1)) < 0)
|
||||
sysfatal("filter: cannot write port; %r");
|
||||
buf[len] = '\0';
|
||||
|
||||
if ((s = strrchr(buf, '!')) == nil)
|
||||
sysfatal("filter: illegally formatted port %s", buf);
|
||||
strecpy(addr, addr+sizeof(addr), netmkaddr(host, "tcp", s+1));
|
||||
strecpy(strrchr(addr, '!'), addr+sizeof(addr), s);
|
||||
}
|
||||
|
||||
if(debug)
|
||||
fprint(2, "filter: %s\n", addr);
|
||||
|
||||
snprint(buf, sizeof(buf), "%s", cmd);
|
||||
argc = tokenize(buf, argv, nelem(argv)-3);
|
||||
if (argc == 0)
|
||||
sysfatal("filter: empty command");
|
||||
|
||||
if(host != nil)
|
||||
argv[argc++] = "-c";
|
||||
argv[argc++] = addr;
|
||||
argv[argc] = nil;
|
||||
|
||||
file = argv[0];
|
||||
if((s = strrchr(argv[0], '/')) != nil)
|
||||
argv[0] = s+1;
|
||||
|
||||
if(pipe(p) < 0)
|
||||
sysfatal("pipe: %r");
|
||||
|
||||
switch(rfork(RFNOWAIT|RFPROC|RFMEM|RFFDG|RFREND)) {
|
||||
case -1:
|
||||
sysfatal("filter: rfork; %r\n");
|
||||
case 0:
|
||||
close(fd);
|
||||
if (dup(p[0], 1) < 0)
|
||||
sysfatal("filter: Cannot dup to 1; %r");
|
||||
if (dup(p[0], 0) < 0)
|
||||
sysfatal("filter: Cannot dup to 0; %r");
|
||||
close(p[0]);
|
||||
close(p[1]);
|
||||
exec(file, argv);
|
||||
sysfatal("filter: exec; %r");
|
||||
default:
|
||||
dup(p[1], fd);
|
||||
close(p[0]);
|
||||
close(p[1]);
|
||||
}
|
||||
return fd;
|
||||
}
|
||||
|
||||
static void
|
||||
mksecret(char *t, uchar *f)
|
||||
{
|
||||
sprint(t, "%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux%2.2ux",
|
||||
f[0], f[1], f[2], f[3], f[4], f[5], f[6], f[7], f[8], f[9]);
|
||||
}
|
Loading…
Reference in a new issue