static bool
userinfo2str (strbuf &sb, const sfsauth_userinfo *ui)
{
str audit = single_char_sub (ui->audit, ':', ".");
if (!namerx.match (ui->name) ||
(ui->owner && !namerx.match (*ui->owner)) ||
!nobadrx.match (ui->privs) ||
badcharrx.search (ui->pwauth) ||
badcharrx.search (audit))
return false;
sb << ui->name;
sb.fmt (":%u:%u:%u:", ui->id, ui->vers, ui->gid);
if (ui->owner)
sb << *ui->owner;
sb << ":";
ptr<sfspub> pk = sfscrypt.alloc (ui->pubkey);
if (!pk)
return false;
pk->export_pubkey (sb);
sb << ":" << ui->privs << ":" << ui->pwauth << ":";
str priv = str2wstr (armor64 (ui->privkey.base (), ui->privkey.size()));
sb << priv << ":";
sfs_2schnorr_priv::export_keyhalf (ui->srvprivkey, sb);
// sb << ":" << ui->refresh << ":" << ui->timeout;
sb << ":" << audit;
return true;
}
int
split (vec<str> *out, rxx pat, str expr, size_t lim, bool emptylast)
{
const char *p = expr;
const char *const e = p + expr.len ();
size_t n;
if (out)
out->clear ();
// check p < e to see that we're not dealing with an empty
// string (especially since x? matches "").
for (n = 0; p < e && n + 1 < lim; n++) {
if (!pat._exec (p, e - p, 0)) {
return 0;
}
if (!pat.success ())
break;
if (out)
out->push_back (str (p, pat.start (0)));
p += max (pat.end (0), 1);
}
if (lim && (p < e || emptylast)) {
n++;
if (out) {
out->push_back (str (p, e - p));
}
}
return n;
}
static void
collect_pound_def (str s)
{
static rxx x ("#\\s*define\\s*(\\S+)\\s+(.*)");
if (guess_defines && x.match (s)) {
collect_constant (x[1], "RPC_CONSTANT_POUND_DEF");
}
}
static bool
is_builtin(const str &s)
{
static rxx x ("(((unsigned|long|const)\\s+)*|(u_?)?)"
"(bool|char|int|short|quad|long|"
"int(8|16|32|64)_t)");
return x.match (s);
}
int
main (int argc, const char *argv[])
{
if (argc < 2)
return -1;
str parent, filename;
parentpath (parent, filename, str (argv[1]));
warn << parent << "\n";
warn << filename << "\n";
return 0;
vec<str> out;
splitpath (out, argv[1]);
str foo;
while (out.size () > 0 && (foo = out.pop_front ()))
warn << foo << "\n";
return 0;
str path (argv[1]);
// vec<str> out;
static rxx r ("^(.*)/([^/]+)$");
// static rxx r ("^/*([^/]+)(/.*)?$");
// static rxx r ("^s%/[^/]*$%%");
// static rxx pathsplit ("^/*([^/]+)(/.*)?$");
warn << "path: " << path << "\n";
// path = path/r;
if (r.search (path))
{
if (r.len(1) != -1)
warn << r[1] << " -> ";
if (r.len(2) != -1)
warn << r[2] << "\n";
warn << "r[0]: " << r[0] << "\n";
}
warn << split (&out, "/", path) << "\n";
for (unsigned int i=0; i< out.size(); i++)
warn << out[i] << "\n";
return 0;
}
void
repl_el_capture_t::output (strbuf &out, const char *s, rxx &x)
{
int start = x.start (_i);
int ln = x.len (_i);
if (start >= 0 && ln > 0) {
str repl = str (s + start, ln);
strbuf_output (out, repl);
}
}
bool
sfsgroupmgr::parsegroup (str group, str *gname, str *ghost)
{
static rxx grouphostrx ("([A-Za-z][\\-\\w\\.]{0,31})(@[A-Za-z].+)?");
if (!grouphostrx.match (group)) {
warn << "Could not parse group[@host]: " << group << "\n";
return false;
}
*gname = grouphostrx[1];
*ghost = grouphostrx[2] ? grouphostrx[2].cstr () : "-";
return true;
}
static void
extract_matches (vec<str> *out, const char *base, rxx &x)
{
bool go = true;
for (int i = 0; go; i++) {
int ln = x.len (i);
int start = x.start (i);
if (ln < 0 || start < 0) { go = false; }
else if (ln > 0) { out->push_back (str (base + start, ln)); }
}
}
bool
is_safe (const str &d)
{
if (!d || d[0] == '.' || d[d.len () - 1] == '.' || safe_rxx.search (d))
return false;
return true;
}
bool
parse_hn (const str &in, str *host, int *port)
{
static rxx host_port_rxx ("([.0-9A-Za-z_-]*)(:[0-9]+)?");
if (!host_port_rxx.match (in))
return false;
str h = host_port_rxx[1];
if (h && h.len () > 0 && h != "-")
*host = h;
str p = host_port_rxx[2];
if (p && p.len () > 1) {
const char *pc = p.cstr () + 1;
p = pc;
if (!convertint (p, port))
return false;
}
return true;
}
bool
cgi_mpfd_t::match (const http_inhdr_t &hdr, str *bndry)
{
if (multipart_rxx.match (hdr["content-type"])) {
*bndry = multipart_rxx[1];
return true;
}
return false;
}
str
rxx_replace_2 (str input, rxx pat, str repl_str)
{
repl_t repl;
str ret;
if (!repl.parse (repl_str)) {
warn << "XX cannot parse replacement string: " << repl_str << "\n";
} else {
const char *p = input;
const char *const e = p + input.len ();
strbuf b;
bool go = true;
bool err = false;
// check p < e to see that we're not dealing with an empty
// string (especially since x? matches "").
while (go && !err && p < e) {
if (!pat._exec (p, e - p, 0)) {
warn << "XX regex execution failed\n";
err = true;
}
else if (!pat.success ()) { go = false; }
else {
str pre = str (p, pat.start (0));
strbuf_output (b, pre);
repl.output (b, p, pat);
p += max (pat.end (0), 1);
}
}
if (p < e && !err) {
str post = str (p, e - p);
strbuf_output (b, post);
}
if (!err) { ret = b; }
}
return ret;
}
// Call the replace function for each matched pattern.
str
rxx_replace (str input, rxx pat, rxx_replace_cb_t cb)
{
const char *p = input;
const char *const e = p + input.len ();
strbuf b;
bool go = true;
bool err = false;
str ret;
// check p < e to see that we're not dealing with an empty
// string (especially since x? matches "").
while (go && !err && p < e) {
if (!pat._exec (p, e - p, 0)) {
warn << "XX regex execution failed\n";
err = true;
}
else if (!pat.success ()) { go = false; }
else {
str pre = str (p, pat.start (0));
strbuf_output (b, pre);
vec<str> v;
extract_matches (&v, p, pat);
str repl = (*cb) (&v);
if (repl) {
strbuf_output (b, repl);
}
p += max (pat.end (0), 1);
}
}
if (p < e && !err) {
str post = str (p, e - p);
strbuf_output (b, post);
}
if (!err) { ret = b; }
return ret;
}
int
agentconn::cagent_fd (bool required)
{
if (agentfd >= 0)
return agentfd;
static rxx sockfdre ("^-(\\d+)?$");
if (agentsock && sockfdre.search (agentsock)) {
if (sockfdre[1])
agentfd = atoi (sockfdre[1]);
else
agentfd = 0;
if (!isunixsocket (agentfd))
fatal << "fd specified with '-S' not unix domain socket\n";
}
else if (agentsock) {
agentfd = unixsocket_connect (agentsock);
if (agentfd < 0 && required)
fatal ("%s: %m\n", agentsock.cstr ());
}
else if (ccd (false)) {
int32_t res;
if (clnt_stat err = ccd ()->scall (AGENT_GETAGENT, NULL, &res)) {
if (required)
fatal << "sfscd: " << err << "\n";
}
else if (res) {
if (required)
fatal << "connecting to agent via sfscd: " << strerror (res) << "\n";
}
else if ((agentfd = sfscdxprt->recvfd ()) < 0) {
fatal << "connecting to agent via sfscd: "
<< "could not get file descriptor\n";
}
}
else {
if (str sock = agent_usersock (true))
agentfd = unixsocket_connect (sock);
if (agentfd < 0 && required)
fatal << "sfscd not running and no standalone agent socket\n";
}
return agentfd;
}
bool
pri2del (sfsauth_dbrec *dbrp, str aek)
{
static rxx userrx ("^USER:([^:])$");
static rxx grouprx ("^GROUP:([^:])$");
if (userrx.match (aek)) {
dbrp->set_type (SFSAUTH_DELUSER);
*dbrp->deleted = userrx[1];
}
else if (grouprx.match (aek)) {
dbrp->set_type (SFSAUTH_DELGROUP);
*dbrp->deleted = grouprx[1];
}
else {
dbrp->set_type (SFSAUTH_ERROR);
*dbrp->errmsg = strbuf () << "illegal deleted DB key " << aek;
return false;
}
return true;
}
bool
to_hostname_and_port (const str &in, str *out, int *port)
{
bool ret = true;
if (!host_and_port.match (in) ||
(host_and_port[3] && !convertint (host_and_port[3], port))) {
ret = false;
} else {
*out = host_and_port[1];
}
return ret;
}
bool
groupinfo2str (strbuf &sb, const sfsauth_groupinfo *gi)
{
str audit = single_char_sub (gi->audit, ':', ".");
if (!namerx.match (gi->name)
|| badcharrx.search (audit)
|| !nobadrx.match (gi->properties))
return false;
sb << gi->name;
sb.fmt (":%u:%u:", gi->id, gi->vers);
if (!printlist (sb, gi->owners, printmember))
return false;
sb << ":";
if (!printlist (sb, gi->members, printmember))
return false;
// sb << ":" << gi->refresh << ":" << gi->timeout;
sb << ":" << gi->properties;
sb << ":" << audit;
return true;
}
str
aekey (const sfsauth_dbrec &ae)
{
switch (ae.type) {
case SFSAUTH_USER:
return strbuf () << "USER:"******"GROUP:" << ae.groupinfo->name;
case SFSAUTH_CACHEENTRY:
return strbuf () << "CACHE:" << ae.cacheentry->key;
default:
{
static rxx knrx ("^[^:]*:[^:]*");
str astr = authdbrec2str (&ae);
if (!astr)
return NULL;
if (!knrx.search (astr))
panic << "missing colon: " << astr << "\n";
return knrx[0];
}
}
}
sfs_connect_t *
sfs_connect_srp (str u, srp_client *srpp, sfs_connect_cb cb,
str *userp, str *pwdp, bool *serverokp)
{
static rxx usrhost ("^([^@]+)?@(.*)$");
if (!usrhost.match (u)) {
if (userp)
*userp = u;
(*cb) (NULL, "not of form [user]@hostname");
return NULL;
}
str user (usrhost[1]), host (usrhost[2]);
if (!user && !(user = myusername ())) {
(*cb) (NULL, "could not get local username");
return NULL;
}
ref<sfssrp_authorizer> a (New refcounted<sfssrp_authorizer>);
a->srpc = srpp;
sfs_connect_t *cs
= New sfs_connect_t (wrap (sfs_connect_srp_2,
sfs::bundle_t<ref<sfssrp_authorizer>,
str *, str *> (a, userp, pwdp),
serverokp, cb));
cs->sname () = host;
cs->service () = SFS_AUTHSERV;
cs->encrypt = true;
cs->check_hostid = false;
cs->authorizer = a;
cs->aarg.user = user;
if (!cs->start ())
return NULL;
return cs;
}
bool
str2authdbrec (sfsauth_dbrec *dbr, str s)
{
static rxx _userrx ("^USER:(.*)$");
rxx userrx (_userrx);
static rxx grouprx ("^GROUP:(.*)$");
static rxx cacherx ("^CACHE:(.*)$");
static rxx logrx ("^LOG:(.*)$");
static rxx revinfo ("^REVINFO:([0-9a-fA-F]+):(\\d+)$");
if (revinfo.match (s)) {
str id = hex2bytes (revinfo[1]);
u_int64_t rev;
if (!id || id.len () != sizeof (dbr->revinfo->dbid)
|| !convertint (revinfo[2], &rev))
return false;
dbr->set_type (SFSAUTH_REVINFO);
dbr->revinfo->dbrev = rev;
memcpy (dbr->revinfo->dbid.base (), id, id.len ());
return true;
}
else if (userrx.match (s)) {
dbr->set_type (SFSAUTH_USER);
return str2userinfo (dbr->userinfo, str2wstr (userrx[1]));
}
else if (grouprx.match (s)) {
dbr->set_type (SFSAUTH_GROUP);
return str2groupinfo (dbr->groupinfo, grouprx[1]);
}
else if (cacherx.match (s)) {
dbr->set_type (SFSAUTH_CACHEENTRY);
return str2cacheentry (dbr->cacheentry, cacherx[1]);
}
else if (logrx.match (s)) {
dbr->set_type (SFSAUTH_LOGENTRY);
return str2logentry (dbr->logentry, logrx[1]);
}
else
return false;
}
bool
str2groupinfo (sfsauth_groupinfo *gi, str s)
{
vec<str> gv;
if (split (&gv, colon, s, 8, true) != 7)
return false;
if (!namerx.match (gv[0])
|| badcharrx.search (gv[5]))
return false;
gi->name = gv[0];
if (!convertint (gv[1], &gi->id)
|| !convertint (gv[2], &gi->vers)
|| !parselist (&gi->owners, gv[3], parsemember)
|| !parselist (&gi->members, gv[4], parsemember)
// || !convertint (gv[5], &gi->refresh)
// || !convertint (gv[6], &gi->timeout)
)
return false;
gi->properties = gv[5];
gi->audit = gv[6];
// gi->audit = gv[7];
return true;
}
static void
parseconfig ()
{
str cf = configfile;
parseargs pa (cf);
bool errors = false;
str hostname;
rpc_ptr<sfs_hash> hostid;
server *s = NULL;
release *r = NULL;
extension *e = NULL;
char *c;
int line;
vec<str> av;
while (pa.getline (&av, &line)) {
if (!strcasecmp (av[0], "BindAddr")) {
in_addr addr;
u_int16_t port = 0;
if (av.size () < 2 || av.size () > 3
|| !inet_aton (av[1], &addr)
|| (av.size () == 3 && !convertint (av[2], &port))) {
warn << cf << ":" << line
<< ": usage: BindAddr addr [port]\n";
errors = true;
continue;
}
if (!port)
port = sfs_defport ? sfs_defport : SFS_PORT;
sockaddr_in *sinp
= static_cast<sockaddr_in *> (xmalloc (sizeof (*sinp)));
bzero (sinp, sizeof (*sinp));
sinp->sin_family = AF_INET;
sinp->sin_port = htons (port);
sinp->sin_addr = addr;
#ifdef HAVE_SA_LEN
sinp->sin_len = sizeof (*sinp);
#endif /* HAVE_SA_LEN */
listenaddrs.push_back (reinterpret_cast<sockaddr *> (sinp));
}
else if (!strcasecmp (av[0], "Server")) {
if (av.size () != 2) {
warn << cf << ":" << line
<< ": usage: Server {hostname|*}[:hostid]\n";
errors = true;
continue;
}
if (strchr (av[1], ':') ||
((c = strchr (av[1], '@')) && strchr (c, ','))) {
hostid.alloc ();
if (!sfs_parsepath (av[1], &hostname, hostid)) {
warn << cf << ":" << line << ": bad hostname/hostid\n";
errors = true;
continue;
}
}
else {
hostid.clear ();
if (av[1] == "*")
hostname = sfshostname ();
else
hostname = av[1];
}
for (s = serverlist.first; s; s = serverlist.next (s))
if (hostname == s->host
&& ((hostid && s->hostid && *hostid == *s->hostid)
|| (!hostid && !s->hostid)))
break;
if (!s)
s = New server (hostname, hostid);
r = NULL;
e = NULL;
}
else if (!strcasecmp (av[0], "Release")) {
static rxx relrx ("^(\\d+)\\.(\\d\\d?)$");
if (av.size () != 2 || (!relrx.search (av[1]) && av[1] != "*")) {
warn << cf << ":" << line << ": usage Release { N.NN | * }\n";
errors = true;
r = NULL;
continue;
}
if (!s) {
warn << cf << ":" << line << ": Release must follow Server\n";
errors = true;
r = NULL;
continue;
}
u_int32_t rel;
if (av[1] == "*")
rel = 0xffffffff;
else
rel = strtoi64 (relrx[1]) * 100 + strtoi64 (relrx[2]);
r = s->reltab[rel];
if (!r)
s->reltab.insert ((r = New release (rel)));
for (e = r->extlist.first; r->extlist.next (e); e = r->extlist.next (e))
;
}
else if (!strcasecmp (av[0], "Extensions")) {
av.pop_front ();
e = r->getext (av);
}
else if (!strcasecmp (av[0], "Service")) {
if (!parse_service (av, e, cf << ":" << line))
errors = true;
}
else if (!strcasecmp (av[0], "HashCost")) {
if (av.size () != 2 || !convertint (av[1], &sfs_hashcost)) {
warn << cf << ":" << line << ": usage: HashCost <nbits>\n";
errors = true;
}
else {
if (sfs_hashcost > sfs_maxhashcost)
sfs_hashcost = sfs_maxhashcost;
str s (strbuf ("SFS_HASHCOST=%d", sfs_hashcost));
xputenv (const_cast<char*>(s.cstr()));
}
}
else if (!strcasecmp (av[0], "RevocationDir")) {
if (av.size () != 2) {
warn << cf << ":" << line << ": usage: RevocationDir <directory>\n";
errors = true;
}
else {
revocationdir = av[1];
}
}
else {
errors = true;
warn << cf << ":" << line << ": unknown directive '"
<< av[0] << "'\n";
}
}
if (errors)
fatal ("parse errors in configuration file\n");
}
void identcb (str u, int e) {
if (u && identrx.search (u))
user = identrx[2];
a = NULL;
cbdone ();
}
void
authclnt::sfsauth_update (svccb *sbp)
{
update_info i;
i.cp = NULL;
i.ur = NULL;
if (sbp->getaui () >= credtab.size ()
|| !(i.cp = &credtab[sbp->getaui ()])
|| i.cp->type != SFS_UNIXCRED
|| !(i.ur = utab[sbp->getaui ()])
|| i.ur->authtype == SFS_NOAUTH) {
sbp->reject (AUTH_REJECTEDCRED);
return;
}
i.res.set_ok (false);
i.kname.set_type (SFSAUTH_DBKEY_NAME);
*i.kname.name = i.cp->unixcred->username;
dbfile *cdbp;
if (!get_user_cursor (&cdbp, NULL, &i.cdbr, i.kname)
|| i.cp->unixcred->username != i.cdbr.userinfo->name) {
*i.res.errmsg = "could not load credential db record";
sbp->replyref (i.res);
return;
}
if (i.cp->unixcred->uid != i.cdbr.userinfo->id) {
*i.res.errmsg = "invalid uid";
warn << i.cp->unixcred->username << " authenticated with uid "
<< i.cp->unixcred->uid << " while DB record has uid "
<< i.cdbr.userinfo->id << "\n";
warn << "could user " << i.cp->unixcred->username << " have"
<< " wrong UID in sfs_users file?\n";
sbp->replyref (i.res);
return;
}
i.argp = sbp->Xtmpl getarg<sfsauth2_update_arg> ();
if (i.argp->req.type != SFS_UPDATEREQ
|| (i.argp->req.rec.type != SFSAUTH_USER
&& i.argp->req.rec.type != SFSAUTH_GROUP)) {
*i.res.errmsg = "invalid request";
sbp->replyref (i.res);
return;
}
i.opts = i.argp->req.opts;
if (i.argp->req.authid != authid) {
*i.res.errmsg = "invalid authid";
sbp->replyref (i.res);
return ;
}
static rxx adminrx ("(\\A|,)admin(\\Z|,)");
i.admin = cdbp->allow_admin && adminrx.search (i.cdbr.userinfo->privs);
if (!update_checksig (sbp, i, cdbp))
return;
if (i.argp->req.rec.type == SFSAUTH_USER)
update_user (sbp, i);
else
update_group (sbp, i);
sbp->replyref (i.res);
}
void
authclnt::update_group (svccb *sbp, update_info &i)
{
dbfile *udbp;
ptr<authcursor> uac;
sfsauth_dbrec udbr;
*i.kname.name = i.argp->req.rec.groupinfo->name;
bool create = i.argp->req.rec.groupinfo->id == 0
&& i.argp->req.rec.groupinfo->vers == 1;
bool exists = get_group_cursor (&udbp, &uac, &udbr, i.kname, true, create);
if (exists && create && udbr.groupinfo->id > udbp->grprange->id_max) {
*i.res.errmsg = strbuf () << "all group IDs in the allowed range ("
<< udbp->grprange->id_min << "-"
<< udbp->grprange->id_max << ") are in use";
return;
}
if (!exists) {
if (!create) {
*i.res.errmsg = "perhaps record is read-only "
"or database doesn't accept group updates";
return;
}
else {
*i.res.errmsg = "no writable databases that accept group updates";
return;
}
}
if (create && udbr.groupinfo->vers != 0) {
*i.res.errmsg = strbuf () << "group `" << udbr.groupinfo->name
<< "'already exists";
return;
}
if (!i.admin) {
if (create) {
str gname;
if (!(gname = group_prefix (udbr.groupinfo->name, i.cdbr.userinfo->name))
|| gname.len () < 1) {
*i.res.errmsg = strbuf () << "group name must be of the form `"
<< i.cdbr.userinfo->name << ".groupname'";
return;
}
static rxx groupquotarx ("(\\A|,)groupquota=([0-9]+)(\\Z|,)");
if (groupquotarx.search (i.cdbr.userinfo->privs)
|| udbp->default_groupquota >= 0) {
u_int32_t max_groups;
u_int32_t cur_groups;
if (groupquotarx.success ())
convertint (groupquotarx[2], &max_groups);
else
max_groups = udbp->default_groupquota;
// XXX - open could fail
ptr<authcursor> gac = udbp->db->open (udbp->dbflags);
cur_groups = gac->count_group_prefix (strbuf ()
<< i.cdbr.userinfo->name << ".");
if (cur_groups + 1 > max_groups) {
*i.res.errmsg = strbuf () << "group quota exceeded (current="
<< cur_groups << "/quota=" << max_groups << ")";
return;
}
}
}
else {
ptr<sfspub> pk = sfscrypt.alloc (i.cdbr.userinfo->pubkey);
str h = armor32 (pk->get_pubkey_hash ());
sfs_groupmembers list;
unsigned int n = udbr.groupinfo->owners.size ();
for (unsigned int j = 0; j < n; j++)
list.push_back (udbr.groupinfo->owners[j]);
if (!group_prefix (udbr.groupinfo->name, i.cdbr.userinfo->name)
&& !is_a_member (i.cdbr.userinfo->name, h, list)) {
*i.res.errmsg = "access denied";
return;
}
}
}
if (i.argp->req.rec.groupinfo->vers < 1) {
*i.res.errmsg = "version number of record must be greater than 0";
return;
}
if (i.argp->req.rec.groupinfo->vers != udbr.groupinfo->vers + 1) {
*i.res.errmsg = "version mismatch";
return;
}
uac->ae.groupinfo->vers = i.argp->req.rec.groupinfo->vers;
strbuf sb;
sb << "Last modified " << timestr () << " by " ;
if (uid && !*uid)
sb << "*superuser*";
else
sb << i.cp->unixcred->username;
sb << "@" << client_name;
uac->ae.groupinfo->audit = sb;
// XXX: checking to make sure that the owners/groups are well-formed happens in update
process_group_updates (udbr.groupinfo->owners, i.argp->req.rec.groupinfo->owners);
process_group_updates (udbr.groupinfo->members, i.argp->req.rec.groupinfo->members);
uac->ae.groupinfo->owners = udbr.groupinfo->owners;
uac->ae.groupinfo->members = udbr.groupinfo->members;
bool chlogok = write_group_changelog (i.argp->req.rec.groupinfo->name,
i.argp->req.rec.groupinfo->vers,
i.argp->req.rec.groupinfo->members,
sb);
if (!chlogok) {
*i.res.errmsg = "could not write changelog; database unmodified";
return;
}
if (!uac->update ()) {
// XXX: remove changelog entry
*i.res.errmsg = "database refused update; see SFS documentation for correct syntax";
return;
}
i.res.set_ok (true);
udbp->mkpub ();
uac->find_group_name (udbr.groupinfo->name);
if (global_dbcache)
update_dbcache (uac);
}
void
hclient_t::do_read ()
{
int rc = uio.input (fd);
if (rc == 0 && !output_stuff) {
stats.empties ++;
warn ("no content before EOF\n");
cexit (-1);
return;;
} else if (rc == 0) {
// legitimate EOF
cexit (0);
return;
} else if (rc == -1) {
if (errno != EAGAIN) {
stats.read_errors ++ ;
warn ("read error: %m\n");
cexit (-1);
}
return;
}
assert (rc > 0);
// for sane Web servers, this is easy...
if (mode != SEDA) {
while (uio.resid ()) {
output_stuff = true;
uio.output (1);
}
return;
}
//
// for SEDA, we've had to parse the header and cut off the
// connection, since it doesn't support closed connections
// as we've asked.
//
rc = uio.copyout (bp);
uio.rembytes (rc);
bp += rc;
//
// reqsz < 0 if we haven't found a field yet in the header
//
if (reqsz < 0) {
if (sz_rxx.search (buf)) {
if (!convertint (sz_rxx[1], &reqsz)) {
warn ("invalid length: %s\n", sz_rxx[1].cstr ());
cexit (-1);
}
}
}
if (!body)
body = strstr (buf, "\r\n\r\n");
//
// if we've seen the required number of bytes (as given by
// the header) then we're ready to close (or rock!)
//
if (body && (bp - body >= reqsz)) {
rc_ignore (write (1, buf, bp - buf));
if (noisy) warn ("ok, closing up!\n");
cexit (0);
}
}
void
cgi_mpfd_t::parse_guts ()
{
abuf_stat_t r = ABUF_OK;
str dummy;
bool inc;
while (r == ABUF_OK) {
OKDBG4(SVC_MPFD, CHATTER, "cgi_mpfd_t::parse_guts loop "
"r=%d, state=%d", int (r), int (state));
inc = true;
switch (state) {
case MPFD_START:
r = match_boundary ();
break;
case MPFD_EOL0:
r = require_crlf ();
break;
case MPFD_KEY:
r = gobble_crlf ();
if (r == ABUF_OK) {
if (to_start) {
state = MPFD_START;
to_start = false;
} else
state = MPFD_SEARCH;
inc = false;
} else if (r == ABUF_NOMATCH) {
r = delimit_key (&mpfd_key);
if (r == ABUF_OK)
kt = mpfd_ktmap.lookup (mpfd_key);
} // else a WAIT or an EOF in gobble_crlf
break;
case MPFD_SPC:
r = abuf->skip_hws (1);
cdp.reset ();
break;
case MPFD_VALUE:
if (kt == MPFD_DISPOSITION) {
OKDBG3(SVC_MPFD, CHATTER, "cgi_mpfd_t::parse_guts branch to nested "
"content disposition parser");
cdp.parse (wrap (this, &cgi_mpfd_t::ext_parse_cb));
OKDBG3(SVC_MPFD, CHATTER, "cgi_mpfd_t::parse_guts return due to "
"content disposition parser");
return;
} else if (kt == MPFD_TYPE) {
r = delimit_val (&content_typ);
if (r == ABUF_OK) {
if (multipart_rxx.match (content_typ)) {
add_boundary (multipart_rxx[1]);
to_start = true;
}
}
} else {
r = delimit_val (&dummy);
}
break;
case MPFD_EOL1A:
r = require_crlf ();
break;
case MPFD_EOL1B:
if (kt == MPFD_DISPOSITION) {
if (cdp.typ == CONTDISP_FORMDAT) {
cgi_key = cdp.name;
filename = cdp.filename;
attach = filename;
} else if (cdp.typ == CONTDISP_ATTACH) {
filename = cdp.filename;
attach = true;
} else {
r = ABUF_PARSE_ERR;
}
}
state = MPFD_KEY;
inc = false;
break;
case MPFD_SEARCH:
r = match_boundary (&dat);
if (r == ABUF_OK) {
if (cgi_key) {
if (attach)
finsert (cgi_key, cgi_file_t (filename, content_typ, dat));
else
insert (cgi_key, dat);
cgi_key = NULL;
}
// in this case, no more boundaries
} else if (r == ABUF_PARSE_ERR) {
r = ABUF_OK;
state = MPFD_EOF;
inc = false;
}
break;
case MPFD_SEARCH2:
r = parse_2dash ();
if (r == ABUF_OK) {
remove_boundary ();
nxt_state = MPFD_SEARCH;
} else if (r == ABUF_NOMATCH) {
r = ABUF_OK;
nxt_state = MPFD_KEY;
}
break;
case MPFD_SEARCH3:
r = require_crlf ();
if (r == ABUF_OK) {
state = nxt_state;
inc = false;
}
break;
case MPFD_EOF:
r = abuf->skip_ws ();
break;
default:
break;
}
if (r == ABUF_OK && inc)
MPFD_INC_STATE;
}
OKDBG4(SVC_MPFD, CHATTER, "cgi_mpfd_t::parse_guts exit loop "
"r=%d, state=%d", int (r), int (state));
switch (r) {
case ABUF_EOF:
int rc;
if (state == MPFD_EOF) {
rc = HTTP_OK;
} else {
rc = HTTP_UNEXPECTED_EOF;
warn ("mpfd EOF in state %d after %d bytes read\n",
int (state), abuf ? abuf->get_ccnt () : -1);
}
finish_parse (rc);
break;
case ABUF_PARSE_ERR:
finish_parse (HTTP_BAD_REQUEST);
break;
default:
break;
}
}
bool
nameok (const str &name)
{
static rxx namerx ("[a-zA-Z0-9\\-]+(\\.[a-zA-Z0-9\\-]+)*");
return name.len () < NFS_MAXNAMLEN && namerx.match (name);
}
bool
str2userinfo (sfsauth_userinfo *ui, str s)
{
str name;
vec<str> uv;
if (split (&uv, colon, s, 12, true) != 11)
return false;
str2wstr (uv[7]);
str2wstr (uv[8]);
str fields[13] = { "name", "uid", "version", "gid", "owner",
"pubkey", "privs", "srp", "privkey",
"srvprivkey", // "refresh", "timeout",
"audit" };
if (!namerx.match (uv[0])) {
err_report ("<null>", 1, fields[0], uv[0]);
return false;
}
name = uv[0];
for (int i = 1; i < 4; i++) {
if (!decrx.match (uv[i])) {
err_report (name, i+1, fields[i], uv[i]);
return false;
}
}
if (uv[4].len () && !namerx.match (uv[4])) {
err_report (name, 5, fields[4], uv[4]);
return false;
}
for (int i = 6; i < 10; i++) {
if (badcharrx.search (uv[i])) {
err_report (name, i+1, fields[i], uv[i]);
return false;
}
}
#if 0
for (int i = 10; i < 12; i++) {
if (!decrx.match (uv[i])) {
err_report (name, i+1, fields[i], uv[i]);
return false;
}
}
#endif
str privkey = dearmor64 (uv[8]);
if (!privkey) {
err_report (name, 9, fields[8], "could not dearmor64");
return false;
}
str2wstr (privkey);
ui->privkey.setsize (privkey.len ());
memcpy (ui->privkey.base (), privkey, ui->privkey.size ());
ui->name = uv[0];
if (!convertint (uv[1], &ui->id)
|| !convertint (uv[2], &ui->vers)
|| !convertint (uv[3], &ui->gid)
// || !convertint (uv[10], &ui->refresh)
// || !convertint (uv[11], &ui->timeout)
)
return false;
if (uv[4].len ())
*ui->owner.alloc () = uv[4];
else
ui->owner.clear ();
ptr<sfspub> pk = sfscrypt.alloc (uv[5]);
if (!pk)
return false;
if (!pk->export_pubkey (&ui->pubkey)) {
warn << "Cannot load keypair for " << uv[0] << "\n";
return false;
}
ui->privs = uv[6];
ui->pwauth = uv[7];
if (uv[9] && uv[9].len ()) {
if (!sfs_2schnorr_priv::parse_keyhalf (&ui->srvprivkey, uv[9])) {
warn << "Cannot load server keyhalf for " << uv[0] << "\n";
return false;
}
} else {
ui->srvprivkey.set_type (SFSAUTH_KEYHALF_NONE);
}
// ui->audit = uv[12];
ui->audit = uv[10];
return true;
}
int
main (int argc, char *argv[])
{
timeout = 120;
noisy = false;
zippity = false;
srandom(time(0));
setprogname (argv[0]);
int ch;
int n = 1000;
nconcur = 500;
bool delay = false;
timespec startat;
startat.tv_nsec = 0;
startat.tv_sec = 0;
exited = false;
hclient_id = 1;
use_latencies = false;
num_services = 1;
tpt_sample_period_secs = 1;
tpt_sample_period_nsecs = 0;
int lat_stddv = 25;
int lat_mean = 75;
lose_patience_after = 0;
id_cycler_t *svc_cycler = NULL;
id_cycler_t *req_cycler = NULL;
mode = NONE;
bool no_pub = false;
int tmp = 0;
static rxx lose_patience_rxx ("(\\d+),(\\d+)");
while ((ch = getopt (argc, argv, "c:dlm:n:pr:t:v:zM:P:S:R:T:V:")) != -1) {
switch (ch) {
case 'c':
if (!convertint (optarg, &nconcur))
usage ();
if (noisy) warn << "Concurrency factor: " << nconcur << "\n";
break;
case 'd':
noisy = true;
break;
case 'l':
use_latencies = true;
if (noisy) warn << "Using Latencies\n";
break;
case 'm':
{
switch (optarg[0]) {
case 's':
case 'S':
mode = SEDA;
if (noisy) warn << "In SEDA mode\n";
break;
case 'o':
case 'O':
mode = OKWS;
if (noisy) warn << "In OKWS mode\n";
break;
case 'P':
case 'p':
mode = PHP;
if (noisy) warn << "In PHP mode\n";
break;
case 'f':
case 'F':
mode = FLASH;
if (noisy) warn << "In FLASH mode\n";
break;
default:
usage ();
break;
}
break;
}
case 'n':
if (!convertint (optarg, &n))
usage ();
if (noisy) warn << "Number of requests: " << n << "\n";
break;
case 'p':
no_pub = true;
break;
case 'r':
if (!convertint (optarg, &tmp))
usage ();
req_cycler = New id_cycler_t (true, tmp, 1);
if (noisy)
warn << "Ranging ids from 1 to " << tmp << " (randomly)\n";
break;
case 't':
{
if (!convertint (optarg, &startat.tv_sec))
usage ();
delay = true;
if (noisy) warn << "Delaying start until time="
<< startat.tv_sec << "\n";
time_t mytm = time (NULL);
tmp = startat.tv_sec - mytm;
if (tmp < 0) {
warn << "time stamp alreached (it's " << mytm << " right now)!\n";
usage ();
}
if (noisy) {
warn << "Starting in T minus " << tmp << " seconds\n";
}
break;
}
case 'v':
if (!convertint (optarg, &tmp))
usage ();
svc_cycler = New id_cycler_t (true, tmp, 1);
if (noisy)
warn << "Randing services from 1 to " << tmp << " (randomly)\n";
break;
case 'z':
zippity = true;
break;
case 'M':
if (!convertint (optarg, &lat_mean))
usage ();
if (noisy) warn << "Mean of latencies: " << lat_mean << "\n";
break;
case 'P':
if (!convertint (optarg, &tmp))
usage ();
tpt_sample_period_secs = tmp / THOUSAND;
tpt_sample_period_nsecs = (tmp % THOUSAND) * MILLION;
if (noisy)
warn ("Sample throughput period=%d.%03d secs\n",
tpt_sample_period_secs,
tpt_sample_period_nsecs / MILLION);
break;
case 'R':
req_cycler = New id_cycler_t ();
if (!req_cycler->init (optarg))
usage ();
break;
case 'S':
if (!convertint (optarg, &lat_stddv))
usage ();
if (noisy) warn << "Standard dev. of latency: " << lat_stddv << "\n";
break;
case 'T':
if (!lose_patience_rxx.match (optarg) ||
!convertint (lose_patience_rxx[1], &n_still_patient) ||
!convertint (lose_patience_rxx[2], &lose_patience_after))
usage ();
break;
case 'V':
svc_cycler = New id_cycler_t ();
if (!svc_cycler->init (optarg))
usage ();
break;
default:
usage ();
}
}
argc -= optind;
argv += optind;
if (argc == 0)
usage ();
str dest = argv[0];
argc --;
argv ++;
// make the appropriate cyclers...
if (argc > 0) {
// in this case, the user supplied extra arguments after the hostname
// and port; therefore, they're going to be making their own URL
// by alternating static parts and cyclers.
if (req_cycler) {
warn << "Don't provide -r if you're going to make your own URI\n";
usage ();
}
if (svc_cycler) {
warn << "Don't provide -v if you're going to make your own URI\n";
usage ();
}
for (int i = 0; i < argc; i++) {
if (i % 2 == 0) {
uri_parts.push_back (argv[i]);
} else {
id_cycler_t *tmp = New id_cycler_t ();
if (!tmp->init (argv[i])) {
warn << "Cannot parse ID cycler: " << argv[i] << "\n";
usage ();
}
id_cyclers.push_back (tmp);
}
}
} else if (mode != NONE) {
// no manual URL building required; just specify some defaults
// though if none were specified
if (!req_cycler)
// roughly a million, but this way all reqs will have the same
// number of digits
req_cycler = New id_cycler_t (true, 900000, 100000);
if (!svc_cycler)
// don't cycle --- just always return 1
svc_cycler = New id_cycler_t (false, 1, 1);
id_cyclers.push_back (svc_cycler);
id_cyclers.push_back (req_cycler);
switch (mode) {
case SEDA:
uri_parts.push_back ("mt");
uri_parts.push_back ("?id=");
break;
case OKWS:
{
uri_parts.push_back ("mt");
strbuf b ("?");
if (no_pub)
b << "nopub=1&";
b << "id=";
uri_parts.push_back (b);
break;
}
case PHP:
uri_parts.push_back ("mt");
uri_parts.push_back (".php?id=");
break;
case FLASH:
uri_parts.push_back ("cgi-bin/mt");
uri_parts.push_back ("?");
break;
default:
break;
}
}
// normdist (mean, std-dev, "precision")
if (use_latencies)
dist = New normdist_t (200,25);
if (!hostport.match (dest))
usage ();
host = hostport[1];
str port_s = hostport[3];
if (port_s) {
if (!convertint (port_s, &port)) usage ();
} else {
port = 80;
}
struct timespec tsnow = sfs_get_tsnow ();
// unless we don this, shit won't be initialized, and i'll
// starting ripping my hair out as to why all of the timestamps
// are negative
clock_gettime (CLOCK_REALTIME, &tsnow);
nrunning = 0;
sdflag = true;
nreq = n;
nreq_fixed = n;
tpt_last_nreq = nreq;
if (delay) {
timecb (startat, wrap (main2, n));
} else {
main2 (n);
}
amain ();
}
