Tnode*
stringnode(char *fmt, ...)
{
va_list arg;
Tnode *t;
t = mallocz(sizeof(Tnode), 1);
va_start(arg, fmt);
t->str = vsmprint(fmt, arg);
va_end(arg);
t->nkid = -1;
return t;
}
UserPasswd*
auth_getuserpasswd(AuthGetkey *getkey, char *fmt, ...)
{
AuthRpc *rpc;
char *f[3], *p, *params;
int fd;
va_list arg;
UserPasswd *up;
up = nil;
rpc = nil;
params = nil;
fd = open("/mnt/factotum/rpc", ORDWR);
if(fd < 0)
goto out;
rpc = auth_allocrpc(fd);
if(rpc == nil)
goto out;
quotefmtinstall(); /* just in case */
va_start(arg, fmt);
params = vsmprint(fmt, arg);
va_end(arg);
if(params == nil)
goto out;
if(dorpc(rpc, "start", params, strlen(params), getkey) != ARok
|| dorpc(rpc, "read", nil, 0, getkey) != ARok)
goto out;
rpc->arg[rpc->narg] = '\0';
if(tokenize(rpc->arg, f, 2) != 2){
werrstr("bad answer from factotum");
goto out;
}
up = malloc(sizeof(*up)+rpc->narg+1);
if(up == nil)
goto out;
p = (char*)&up[1];
strcpy(p, f[0]);
up->user = p;
p += strlen(p)+1;
strcpy(p, f[1]);
up->passwd = p;
out:
free(params);
auth_freerpc(rpc);
close(fd);
return up;
}
char*
esmprint(char *fmt, ...)
{
va_list args;
char *p;
va_start(args, fmt);
p = vsmprint(fmt, args);
va_end(args);
if (p == nil)
sysfatal("esmprint: out of memory: %r");
setmalloctag(p, getcallerpc());
return p;
}
void
editerror(char *fmt, ...)
{
va_list arg;
char *s;
va_start(arg, fmt);
s = vsmprint(fmt, arg);
va_end(arg);
freecmd();
allwindows(allelogterm, nil); /* truncate the edit logs */
sendp(editerrc, s);
threadexits(nil);
}
void
conflict(char *name, char *f, ...)
{
char *s;
va_list arg;
va_start(arg, f);
s = vsmprint(f, arg);
va_end(arg);
fprint(2, "! %s: %s\n", name, s);
free(s);
nconf++;
}
void
lbvappend(Logbuf *lb, char *fmt, va_list arg)
{
char *s;
s = vsmprint(fmt, arg);
if(s == nil)
sysfatal("out of memory");
if(lb->msg[lb->wp])
free(lb->msg[lb->wp]);
lb->msg[lb->wp] = s;
if(++lb->wp == nelem(lb->msg))
lb->wp = 0;
lbkick(lb);
}
int
auth_respond(void *chal, uint nchal, char *user, uint nuser, void *resp, uint nresp, AuthGetkey *getkey, char *fmt, ...)
{
char *p, *s;
va_list arg;
int afd;
AuthRpc *rpc;
Attr *a;
if((afd = open("/mnt/factotum/rpc", ORDWR)) < 0)
return -1;
if((rpc = auth_allocrpc(afd)) == nil){
close(afd);
return -1;
}
quotefmtinstall(); /* just in case */
va_start(arg, fmt);
p = vsmprint(fmt, arg);
va_end(arg);
if(p==nil
|| dorpc(rpc, "start", p, strlen(p), getkey) != ARok
|| dorpc(rpc, "write", chal, nchal, getkey) != ARok
|| dorpc(rpc, "read", nil, 0, getkey) != ARok){
free(p);
close(afd);
auth_freerpc(rpc);
return -1;
}
free(p);
if(rpc->narg < nresp)
nresp = rpc->narg;
memmove(resp, rpc->arg, nresp);
if((a = auth_attr(rpc)) != nil
&& (s = _strfindattr(a, "user")) != nil && strlen(s) < nuser)
strcpy(user, s);
else if(nuser > 0)
user[0] = '\0';
_freeattr(a);
close(afd);
auth_freerpc(rpc);
return nresp;
}
/* print to the conversation */
int
convprint(Conv *c, char *fmt, ...)
{
char *s;
va_list arg;
int ret;
va_start(arg, fmt);
s = vsmprint(fmt, arg);
va_end(arg);
if(s == nil)
return -1;
ret = convwrite(c, s, strlen(s));
free(s);
return ret;
}
static char*
logit(int severity, char *fmt, va_list args)
{
char *s;
s = vsmprint(fmt, args);
if(s == nil)
return nil;
if(severity != EOk){
if(argv0 == nil)
fprint(2, "%T %s: err %d: %s\n", argv0, severity, s);
else
fprint(2, "%T err %d: %s\n", severity, s);
}
return s;
}
char*
estrappend(char *s, char *fmt, ...)
{
char *t;
int l;
va_list arg;
va_start(arg, fmt);
t = vsmprint(fmt, arg);
if(t == nil)
sysfatal("out of memory");
va_end(arg);
l = s ? strlen(s) : 0;
s = erealloc(s, l+strlen(t)+1);
strcpy(s+l, t);
free(t);
return s;
}
int
print2(int fd, int ofd, char *fmt, ...)
{
int m, n;
char *s;
va_list arg;
va_start(arg, fmt);
s = vsmprint(fmt, arg);
va_end(arg);
if(s == nil)
return -1;
m = strlen(s);
n = write(fd, s, m);
if(ofd > 0)
write(ofd, s, m);
return n;
}
char*
vtSetError(char* fmt, ...)
{
Thread *p;
char *s;
va_list args;
p = threadLookup();
va_start(args, fmt);
s = vsmprint(fmt, args);
vtMemFree(p->error);
p->error = s;
va_end(args);
if(ERROR)
fprint(2, "vtSetError: %s\n", p->error);
werrstr("%s", p->error);
return p->error;
}
/*
* make factotum add wep keys to an 802.11 device
*/
int
auth_wep(char *dev, char *fmt, ...)
{
AuthRpc *rpc;
char *params, *p;
int fd;
va_list arg;
int rv;
rv = -1;
if(dev == nil){
werrstr("no device specified");
return rv;
}
fd = open("/mnt/factotum/rpc", ORDWR);
if(fd < 0)
return rv;
rpc = auth_allocrpc(fd);
if(rpc != nil){
quotefmtinstall(); /* just in case */
va_start(arg, fmt);
params = vsmprint(fmt, arg);
va_end(arg);
if(params != nil){
p = smprint("proto=wep %s", params);
if(p != nil){
if(auth_rpc(rpc, "start", p, strlen(p)) == ARok
&& auth_rpc(rpc, "write", dev, strlen(dev)) == ARok)
rv = 0;
free(p);
}
free(params);
}
auth_freerpc(rpc);
}
close(fd);
return rv;
}
/*
* based on libthread's threadsetname, but drags in less library code.
* actually just sets the arguments displayed.
*/
void
procsetname(char *fmt, ...)
{
int fd;
char *cmdname;
char buf[128];
va_list arg;
va_start(arg, fmt);
cmdname = vsmprint(fmt, arg);
va_end(arg);
if (cmdname == nil)
return;
snprint(buf, sizeof buf, "#p/%d/args", getpid());
if((fd = open(buf, OWRITE)) >= 0){
write(fd, cmdname, strlen(cmdname)+1);
close(fd);
}
free(cmdname);
}
Chalstate*
auth_challenge(char *fmt, ...)
{
char *p;
va_list arg;
Chalstate *c;
quotefmtinstall(); /* just in case */
va_start(arg, fmt);
p = vsmprint(fmt, arg);
va_end(arg);
if(p == nil)
return nil;
c = mallocz(sizeof(*c), 1);
if(c == nil){
free(p);
return nil;
}
if((c->afd = open("/mnt/factotum/rpc", ORDWR)) < 0){
Error:
auth_freechal(c);
free(p);
return nil;
}
if((c->rpc=auth_allocrpc(c->afd)) == nil
|| auth_rpc(c->rpc, "start", p, strlen(p)) != ARok
|| auth_rpc(c->rpc, "read", nil, 0) != ARok)
goto Error;
if(c->rpc->narg > sizeof(c->chal)-1){
werrstr("buffer too small for challenge");
goto Error;
}
memmove(c->chal, c->rpc->arg, c->rpc->narg);
c->nchal = c->rpc->narg;
free(p);
return c;
}
/*
* based on libthread's threadsetname, but drags in less library code.
* actually just sets the arguments displayed.
*/
static void procsetname(char *fmt, ...)
{
/* someday ... */
#if 0
int fd;
char *cmdname;
char buf[128];
va_list arg;
va_start(arg, fmt);
cmdname = vsmprint(fmt, arg);
va_end(arg);
if (cmdname == NULL)
return;
snprintf(buf, sizeof(buf), "#proc/%d/args", getpid());
fd = open(buf, OWRITE);
if (fd >= 0) {
write(fd, cmdname, strlen(cmdname)+1);
close(fd);
}
free(cmdname);
#endif
}
AuthInfo*
fsauth_proxy(CFid *fid, AuthGetkey *getkey, char *fmt, ...)
{
char *p;
va_list arg;
AuthInfo *ai;
AuthRpc *rpc;
quotefmtinstall(); /* just in case */
va_start(arg, fmt);
p = vsmprint(fmt, arg);
va_end(arg);
rpc = auth_allocrpc();
if(rpc == nil){
free(p);
return nil;
}
ai = fsfauth_proxy(fid, rpc, getkey, p);
free(p);
auth_freerpc(rpc);
return ai;
}
void
threadsetname(char *fmt, ...)
{
int fd;
char buf[128];
va_list arg;
Proc *p;
Thread *t;
p = _threadgetproc();
t = p->thread;
if (t->cmdname)
free(t->cmdname);
va_start(arg, fmt);
t->cmdname = vsmprint(fmt, arg);
va_end(arg);
if(t->cmdname && p->nthreads == 1){
snprint(buf, sizeof buf, "#p/%lu/args", _tos->pid); //getpid());
if((fd = open(buf, OWRITE)) >= 0){
write(fd, t->cmdname, strlen(t->cmdname)+1);
close(fd);
}
}
}
