/*
* Get the next non-null token (like GNU strsep). Strsep() will return a
* null token for two adjacent separators, so we may have to loop.
*/
static char *
strnnsep(char **stringp, char *delim)
{
char *tok;
do {
tok = xstrsep(stringp, delim);
} while (tok && *tok == '\0');
return (tok);
}
void
sfs_hosttab_t::loadfd (int fd)
{
suio uio;
int lineno = 0;
sfs_sa sa;
bzero (&sa, sizeof (sa));
sa.sa_in.sin_family = AF_INET;
for (;;) {
lineno++;
size_t n;
while (!(n = uio.linelen ()))
if (uio.input (fd) <= 0) {
if (uio.resid ())
errmsg (lineno, "incomplete last line");
return;
}
mstr m (n);
uio.copyout (m, n - 1);
m[n-1] = '\0';
uio.rembytes (n);
if (m[0] == '#' || m[0] == '\n')
continue;
char *p = m;
char *host = strnnsep (&p, " \t\r\n");
char *port = host;
xstrsep (&port, "%");
if (inet_aton (host, &sa.sa_in.sin_addr) <= 0) {
errmsg (lineno, "invalid IP address");
continue;
}
if (!port || !*port)
sa.sa_in.sin_port = htons (SFS_PORT);
else if (convertint (port, &sa.sa_in.sin_port))
sa.sa_in.sin_port = htons (sa.sa_in.sin_port);
else {
errmsg (lineno, "invalid port number");
continue;
}
while ((host = strnnsep (&p, " \t\r\n"))) {
str h (mytolower (host));
if (sfs_host *hp = tab[h])
delete hp;
tab.insert (New sfs_host (h, sa, sizeof (sa.sa_in)));
}
}
}
static int
conalloc(char *iname, char *oname, int keytype)
{
char *namebase, *name, *namelist;
int s;
namebase = namelist = xstrdup(iname);
do {
name = xstrsep(&namelist, ",");
if (!name) {
free(namebase);
return (-1);
}
} while ((s = tcpconnect(name)) < 0);
if (s >= maxfd)
fatal("conalloc: fdno %d too high", s);
if (fdcon[s].c_status)
fatal("conalloc: attempt to reuse fdno %d", s);
debug3("%s: oname %s kt %d", __func__, oname, keytype);
fdcon[s].c_fd = s;
fdcon[s].c_status = CS_CON;
fdcon[s].c_namebase = namebase;
fdcon[s].c_name = name;
fdcon[s].c_namelist = namelist;
fdcon[s].c_output_name = xstrdup(oname);
fdcon[s].c_data = (char *) &fdcon[s].c_plen;
fdcon[s].c_len = 4;
fdcon[s].c_off = 0;
fdcon[s].c_keytype = keytype;
gettimeofday(&fdcon[s].c_tv, NULL);
fdcon[s].c_tv.tv_sec += timeout;
TAILQ_INSERT_TAIL(&tq, &fdcon[s], c_link);
FD_SET(s, read_wait);
ncon++;
return (s);
}
