void
cpumain(int argc, char **argv)
{
char dat[MaxStr], buf[MaxStr], cmd[MaxStr], *err, *secstoreserver, *p, *s;
int fd, ms, data;
/* see if we should use a larger message size */
fd = open("/dev/draw", OREAD);
if(fd > 0){
ms = iounit(fd);
if(msgsize < ms+IOHDRSZ)
msgsize = ms+IOHDRSZ;
close(fd);
}
user = getenv("USER");
secstoreserver = nil;
authserver = getenv("auth");
if(authserver == nil)
authserver = "p9auth.cs.bell-labs.com";
system = getenv("cpu");
if(system == nil)
system = "plan9.bell-labs.com";
ARGBEGIN{
case 'a':
authserver = EARGF(usage());
break;
case 'c':
system = EARGF(usage());
break;
case 'd':
dbg++;
break;
case 'e':
ealgs = EARGF(usage());
if(*ealgs == 0 || strcmp(ealgs, "clear") == 0)
ealgs = nil;
break;
case 'C':
cflag++;
cmd[0] = '!';
cmd[1] = '\0';
while((p = ARGF()) != nil) {
strcat(cmd, " ");
strcat(cmd, p);
}
break;
case 'k':
keyspec = EARGF(usage());
break;
case 'r':
base = EARGF(usage());
break;
case 's':
secstoreserver = EARGF(usage());
break;
case 'u':
user = EARGF(usage());
break;
default:
usage();
}ARGEND;
if(argc != 0)
usage();
if(user == nil)
user = readcons("user", nil, 0);
if(mountfactotum() < 0){
if(secstoreserver == nil)
secstoreserver = authserver;
if(havesecstore(secstoreserver, user)){
s = secstorefetch(secstoreserver, user, nil);
if(s){
if(strlen(s) >= sizeof secstorebuf)
sysfatal("secstore data too big");
strcpy(secstorebuf, s);
}
}
}
if((err = rexcall(&data, system, srvname)))
fatal(1, "%s: %s", err, system);
/* Tell the remote side the command to execute and where our working directory is */
if(cflag)
writestr(data, cmd, "command", 0);
if(getcwd(dat, sizeof(dat)) == 0)
writestr(data, "NO", "dir", 0);
else
writestr(data, dat, "dir", 0);
/*
* Wait for the other end to execute and start our file service
* of /mnt/term
*/
if(readstr(data, buf, sizeof(buf)) < 0)
fatal(1, "waiting for FS: %r");
if(strncmp("FS", buf, 2) != 0) {
print("remote cpu: %s", buf);
exits(buf);
}
if(readstr(data, buf, sizeof buf) < 0)
fatal(1, "waiting for remote export: %r");
if(strcmp(buf, "/") != 0){
print("remote cpu: %s" , buf);
exits(buf);
}
write(data, "OK", 2);
/* Begin serving the gnot namespace */
exportfs(data, msgsize);
fatal(1, "starting exportfs");
}
void
main(int argc, char **argv)
{
char dat[MaxStr], buf[MaxStr], cmd[MaxStr], *p, *err;
int ac, fd, ms, data;
char *av[10];
quotefmtinstall();
origargs = procgetname();
/* see if we should use a larger message size */
fd = open("/dev/draw", OREAD);
if(fd > 0){
ms = iounit(fd);
if(msgsize < ms+IOHDRSZ)
msgsize = ms+IOHDRSZ;
close(fd);
}
user = getuser();
if(user == nil)
fatal(1, "can't read user name");
ARGBEGIN{
case 'a':
p = EARGF(usage());
if(setam(p) < 0)
fatal(0, "unknown auth method %s", p);
break;
case 'e':
ealgs = EARGF(usage());
if(*ealgs == 0 || strcmp(ealgs, "clear") == 0)
ealgs = nil;
break;
case 'd':
dbg++;
break;
case 'f':
/* ignored but accepted for compatibility */
break;
case 'R': /* From listen */
remoteside();
break;
case 'h':
system = EARGF(usage());
break;
case 'c':
cflag++;
cmd[0] = '!';
cmd[1] = '\0';
while(p = ARGF()) {
strcat(cmd, " ");
strcat(cmd, p);
}
break;
case 'k':
keyspec = smprint("%s %s", keyspec, EARGF(usage()));
break;
case 'P':
patternfile = EARGF(usage());
break;
case 'u':
user = EARGF(usage());
keyspec = smprint("%s user=%s", keyspec, user);
break;
default:
usage();
}ARGEND;
if(argc != 0)
usage();
if(system == nil) {
p = getenv("cpu");
if(p == 0)
fatal(0, "set $cpu");
system = p;
}
if(err = rexcall(&data, system, srvname))
fatal(1, "%s: %s", err, system);
procsetname("%s", origargs);
/* Tell the remote side the command to execute and where our working directory is */
if(cflag)
writestr(data, cmd, "command", 0);
if(getwd(dat, sizeof(dat)) == 0)
writestr(data, "NO", "dir", 0);
else
writestr(data, dat, "dir", 0);
/* start up a process to pass along notes */
lclnoteproc(data);
/*
* Wait for the other end to execute and start our file service
* of /mnt/term
*/
if(readstr(data, buf, sizeof(buf)) < 0)
fatal(1, "waiting for FS: %r");
if(strncmp("FS", buf, 2) != 0) {
print("remote cpu: %s", buf);
exits(buf);
}
/* Begin serving the gnot namespace */
close(0);
dup(data, 0);
close(data);
sprint(buf, "%d", msgsize);
ac = 0;
av[ac++] = exportfs;
av[ac++] = "-m";
av[ac++] = buf;
if(dbg)
av[ac++] = "-d";
if(patternfile != nil){
av[ac++] = "-P";
av[ac++] = patternfile;
}
av[ac] = nil;
exec(exportfs, av);
fatal(1, "starting exportfs");
}
