void
boot(int argc, char *argv[])
{
int fd, afd, srvt;
Method *mp;
char *cmd, cmdbuf[64], *iargv[16];
char rootbuf[64];
int islocal, ishybrid;
char *rp, *rsp;
int iargc, n;
char buf[32];
AuthInfo *ai;
fmtinstall('r', errfmt);
bind("#c", "/dev", MBEFORE);
open("/dev/cons", OREAD);
open("/dev/cons", OWRITE);
open("/dev/cons", OWRITE);
/*
* init will reinitialize its namespace.
* #ec gets us plan9.ini settings (*var variables).
*/
bind("#ec", "/env", MREPL);
bind("#e", "/env", MBEFORE|MCREATE);
bind("#s", "/srv", MREPL|MCREATE);
bind("#p", "/proc", MREPL|MCREATE);
print("\nHello, I am Harvey :-)\n\n");
#ifdef DEBUG
print("argc=%d\n", argc);
for(fd = 0; fd < argc; fd++)
print("%#p %s ", argv[fd], argv[fd]);
print("\n");
#endif //DEBUG
ARGBEGIN{
case 'k':
kflag = 1;
break;
case 'm':
mflag = 1;
break;
case 'f':
fflag = 1;
break;
}ARGEND
readfile("#e/cputype", cputype, sizeof(cputype));
readfile("#e/service", service, sizeof(service));
/* Do the initial ACPI interrupt setup work.
* If we don't do this we may not get needed
* interfaces. */
if (getenv("acpiirq"))
acpiirq();
/*
* set up usb keyboard, mouse and disk, if any.
*/
usbinit();
print("usbinit done\n");
/*
* pick a method and initialize it
*/
if(method[0].name == nil)
fatal("no boot methods");
mp = rootserver(argc ? *argv : 0);
(*mp->config)(mp);
islocal = strcmp(mp->name, "local") == 0;
ishybrid = strcmp(mp->name, "hybrid") == 0;
/*
* load keymap if it is there.
*/
kbmap();
/*
* authentication agent
*/
authentication(cpuflag);
print("connect...");
/*
* connect to the root file system
*/
fd = (*mp->connect)();
if(fd < 0)
fatal("can't connect to file server");
if(!islocal && !ishybrid){
if(cfs)
fd = (*cfs)(fd);
}
print("version...");
buf[0] = '\0';
n = fversion(fd, 0, buf, sizeof buf);
if(n < 0)
fatal("can't init 9P");
srvcreate("boot", fd);
/*
* create the name space, mount the root fs
*/
if(bind("/", "/", MREPL) < 0)
fatal("bind /");
rp = getenv("rootspec");
if(rp == nil)
rp = "";
afd = fauth(fd, rp);
if(afd >= 0){
ai = auth_proxy(afd, auth_getkey, "proto=p9any role=client");
if(ai == nil)
print("authentication failed (%r), trying mount anyways\n");
}
if(mount(fd, afd, "/root", MREPL|MCREATE, rp, 'M') < 0)
fatal("mount /");
rsp = rp;
rp = getenv("rootdir");
if(rp == nil)
rp = rootdir;
if(bind(rp, "/", MAFTER|MCREATE) < 0){
if(strncmp(rp, "/root", 5) == 0){
fprint(2, "boot: couldn't bind $rootdir=%s to root: %r\n", rp);
fatal("second bind /");
}
snprint(rootbuf, sizeof rootbuf, "/root/%s", rp);
rp = rootbuf;
if(bind(rp, "/", MAFTER|MCREATE) < 0){
fprint(2, "boot: couldn't bind $rootdir=%s to root: %r\n", rp);
if(strcmp(rootbuf, "/root//plan9") == 0){
fprint(2, "**** warning: remove rootdir=/plan9 entry from plan9.ini\n");
rp = "/root";
if(bind(rp, "/", MAFTER|MCREATE) < 0)
fatal("second bind /");
}else
fatal("second bind /");
}
}
close(fd);
setenv("rootdir", rp);
settime(islocal, afd, rsp);
if(afd > 0)
close(afd);
cmd = getenv("init");
srvt = strcmp(service, "terminal");
if(cmd == nil){
if(!srvt) {
sprint(cmdbuf, "/%s/bin/init -%s%s", cputype,
"t", mflag ? "m" : "");
cmd = cmdbuf;
} else {
sprint(cmdbuf, "/%s/bin/init -%s%s", cputype,
"c", mflag ? "m" : "");
cmd = cmdbuf;
}
}
iargc = tokenize(cmd, iargv, nelem(iargv)-1);
cmd = iargv[0];
/* make iargv[0] basename(iargv[0]) */
if((iargv[0] = strrchr(iargv[0], '/')) != nil)
iargv[0]++;
else
iargv[0] = cmd;
iargv[iargc] = nil;
exec(cmd, iargv);
fatal(cmd);
}
void
boot(int argc, char *argv[])
{
int fd, afd;
Method *mp;
char *cmd, cmdbuf[64], *iargv[16];
char rootbuf[64];
int islocal, ishybrid;
char *rp, *rsp, *rdparts;
int iargc, n;
char buf[32];
AuthInfo *ai;
fmtinstall('r', errfmt);
/*
* we should inherit the standard fds all referring to /dev/cons,
* but we're being paranoid.
*/
close(0);
close(1);
close(2);
bind("#c", "/dev", MBEFORE);
open("/dev/cons", OREAD);
open("/dev/cons", OWRITE);
open("/dev/cons", OWRITE);
/*
* init will reinitialize its namespace.
* #ec gets us plan9.ini settings (*var variables).
*/
bind("#ec", "/env", MREPL);
bind("#e", "/env", MBEFORE|MCREATE);
bind("#s", "/srv/", MREPL|MCREATE);
if(getenv("debugboot"))
debugboot = 1;
#ifdef DEBUG
print("argc=%d\n", argc);
for(fd = 0; fd < argc; fd++)
print("%#p %s ", argv[fd], argv[fd]);
print("\n");
#endif /* DEBUG */
ARGBEGIN{
case 'k':
kflag = 1;
break;
case 'm':
mflag = 1;
break;
case 'f':
fflag = 1;
break;
}ARGEND
readfile("#e/cputype", cputype, sizeof(cputype));
/*
* set up usb keyboard & mouse, if any.
* starts usbd, which mounts itself on /dev.
* starts partfs on first disk, if any, to permit nvram on usb.
*/
usbinit(Dontpost);
/*
* pick a method and initialize it
*/
if(method[0].name == nil)
fatal("no boot methods");
mp = rootserver(argc ? *argv : 0);
(*mp->config)(mp);
islocal = strcmp(mp->name, "local") == 0;
ishybrid = strcmp(mp->name, "hybrid") == 0;
/*
* load keymap if it's there.
*/
kbmap();
/* don't trigger aoe until the network has been configured */
bind("#æ", "/dev", MAFTER); /* nvram could be here */
bind("#S", "/dev", MAFTER); /* nvram could be here */
/*
* read disk partition tables here so that readnvram via factotum
* can see them. ideally we would have this information in
* environment variables before attaching #S, which would then
* parse them and create partitions.
*/
rdparts = getenv("readparts");
if(rdparts)
readparts();
free(rdparts);
/*
* authentication agent
* sets hostowner, creating an auth discontinuity
*/
if(debugboot)
fprint(2, "auth...");
authentication(cpuflag);
/* leave existing subprocesses in their own namespace */
rfork(RFNAMEG);
/*
* restart partfs under the new hostowner id
*/
usbinit(Post);
/*
* connect to the root file system
*/
fd = (*mp->connect)();
if(fd < 0)
fatal("can't connect to file server");
if(getenv("srvold9p"))
fd = old9p(fd);
if(!islocal && !ishybrid){
if(cfs)
fd = (*cfs)(fd);
}
print("version...");
buf[0] = '\0';
n = fversion(fd, 0, buf, sizeof buf);
if(n < 0)
fatal("can't init 9P");
srvcreate("boot", fd);
/*
* create the name space, mount the root fs
*/
if(bind("/", "/", MREPL) < 0)
fatal("bind /");
rp = getenv("rootspec");
if(rp == nil)
rp = "";
afd = fauth(fd, rp);
if(afd >= 0){
ai = auth_proxy(afd, auth_getkey, "proto=p9any role=client");
if(ai == nil)
print("authentication failed (%r), trying mount anyways\n");
}
if(mount(fd, afd, "/root", MREPL|MCREATE, rp) < 0)
fatal("mount /");
rsp = rp;
rp = getenv("rootdir");
if(rp == nil)
rp = rootdir;
if(bind(rp, "/", MAFTER|MCREATE) < 0){
if(strncmp(rp, "/root", 5) == 0){
fprint(2, "boot: couldn't bind $rootdir=%s to root: %r\n", rp);
fatal("second bind /");
}
snprint(rootbuf, sizeof rootbuf, "/root/%s", rp);
rp = rootbuf;
if(bind(rp, "/", MAFTER|MCREATE) < 0){
fprint(2, "boot: couldn't bind $rootdir=%s to root: %r\n", rp);
if(strcmp(rootbuf, "/root//plan9") == 0){
fprint(2, "**** warning: remove rootdir=/plan9 entry from plan9.ini\n");
rp = "/root";
if(bind(rp, "/", MAFTER|MCREATE) < 0)
fatal("second bind /");
}else
fatal("second bind /");
}
}
close(fd);
setenv("rootdir", rp);
settime(islocal, afd, rsp);
if(afd > 0)
close(afd);
swapproc();
cmd = getenv("init");
if(cmd == nil){
sprint(cmdbuf, "/%s/init -%s%s", cputype,
cpuflag ? "c" : "t", mflag ? "m" : "");
cmd = cmdbuf;
}
iargc = tokenize(cmd, iargv, nelem(iargv)-1);
cmd = iargv[0];
/* make iargv[0] basename(iargv[0]) */
if(iargv[0] = strrchr(iargv[0], '/'))
iargv[0]++;
else
iargv[0] = cmd;
iargv[iargc] = nil;
chmod("/srv/" PARTSRV, 0600);
exec(cmd, iargv);
fatal(cmd);
}
/* Invoked with stdin, stdout and stderr connected to the network connection */
void
remoteside(void)
{
char user[MaxStr], home[MaxStr], buf[MaxStr], xdir[MaxStr], cmd[MaxStr];
int i, n, fd, badchdir, gotcmd;
rfork(RFENVG);
putenv("service", "cpu");
fd = 0;
/* negotiate authentication mechanism */
n = readstr(fd, cmd, sizeof(cmd));
if(n < 0)
fatal(1, "authenticating");
if(setamalg(cmd) < 0){
writestr(fd, "unsupported auth method", nil, 0);
fatal(1, "bad auth method %s", cmd);
} else
writestr(fd, "", "", 1);
fd = (*am->sf)(fd, user);
if(fd < 0)
fatal(1, "srvauth");
/* Set environment values for the user */
putenv("user", user);
sprint(home, "/usr/%s", user);
putenv("home", home);
/* Now collect invoking cpu's current directory or possibly a command */
gotcmd = 0;
if(readstr(fd, xdir, sizeof(xdir)) < 0)
fatal(1, "dir/cmd");
if(xdir[0] == '!') {
strcpy(cmd, &xdir[1]);
gotcmd = 1;
if(readstr(fd, xdir, sizeof(xdir)) < 0)
fatal(1, "dir");
}
/* Establish the new process at the current working directory of the
* gnot */
badchdir = 0;
if(strcmp(xdir, "NO") == 0)
chdir(home);
else if(chdir(xdir) < 0) {
badchdir = 1;
chdir(home);
}
/* Start the gnot serving its namespace */
writestr(fd, "FS", "FS", 0);
writestr(fd, "/", "exportfs dir", 0);
n = read(fd, buf, sizeof(buf));
if(n != 2 || buf[0] != 'O' || buf[1] != 'K')
exits("remote tree");
/* make sure buffers are big by doing fversion explicitly; pick a huge number; other side will trim */
strcpy(buf, VERSION9P);
if(fversion(fd, 64*1024, buf, sizeof buf) < 0)
exits("fversion failed");
if(mount(fd, -1, "/mnt/term", MCREATE|MREPL, "") < 0)
exits("mount failed");
close(fd);
/* the remote noteproc uses the mount so it must follow it */
rmtnoteproc();
for(i = 0; i < 3; i++)
close(i);
if(open("/mnt/term/dev/cons", OREAD) != 0)
exits("open stdin");
if(open("/mnt/term/dev/cons", OWRITE) != 1)
exits("open stdout");
dup(1, 2);
if(badchdir)
print("cpu: failed to chdir to '%s'\n", xdir);
if(gotcmd)
execl("/bin/rc", "rc", "-lc", cmd, nil);
else
execl("/bin/rc", "rc", "-li", nil);
fatal(1, "exec shell");
}
