str
sfsconst_etcfile_required (const char *name, const char *const *path, bool ftl)
{
str file = sfsconst_etcfile (name, path);
if (!file) {
strbuf msg ("Could not find '%s'. Searched:\n", name);
for (const char *const *d = path; *d; d++) {
msg << " " << *d << "/" << name << "\n";
}
str m = msg;
if (ftl) fatal ("%s", m.cstr ());
else warn ("%s", m.cstr ());
}
return file;
}
str
okws_etcfile (const char *f, const char *env_var,
const char **cfg_path)
{
vec<str> v1;
vec<const char *> v2;
if (cfg_path == NULL)
cfg_path = ok_cfg_path;
get_cfg_path (&v1, env_var, cfg_path);
vec2vec (&v2, v1);
return sfsconst_etcfile (f, v2.base ());
}
bool
get_srp_params (ptr<aclnt> c, bigint *Np, bigint *gp)
{
bool valid = false;
bigint N,g;
str srpfile, parms;
if ((srpfile = sfsconst_etcfile ("sfs_srp_parms")) &&
(parms = file2str (srpfile)) &&
import_srp_params (parms, &N, &g) ) {
if (!srp_base::checkparam (N, g)) {
warn << "Invalid SRP parameters read from file: "
<< srpfile << "\n";
}
else
valid = true;
}
if (!valid && c) {
sfsauth2_query_arg aqa;
sfsauth2_query_res aqr;
aqa.type = SFSAUTH_SRPPARMS;
aqa.key.set_type (SFSAUTH_DBKEY_NULL);
clnt_stat err = c->scall (SFSAUTH2_QUERY, &aqa, &aqr);
if (!err && aqr.type == SFSAUTH_SRPPARMS &&
import_srp_params (aqr.srpparms->parms, &N, &g)) {
if (!srp_base::checkparam (N, g)) {
warn << "Invalid SRP parameters read from sfsauthd.\n";
return false;
} else {
valid = true;
}
}
}
if (valid) {
*Np = N;
*gp = g;
return true;
}
return false;
}
str
sfsconst_etcfile (const char *name)
{
const char *path[] = { etc1dir, etc2dir, etc3dir, NULL };
return sfsconst_etcfile (name, path);
}
str flume_etcfile (const char *f)
{ return sfsconst_etcfile (f, flume_cfg_path); }