pr_netio_stream_t *proxy_netio_open(pool *p, int strm_type, int fd, int mode) {
int xerrno;
pr_netio_stream_t *nstrm = NULL;
pr_netio_t *curr_netio;
curr_netio = proxy_netio_unset(strm_type, "netio_open");
nstrm = pr_netio_open(p, strm_type, fd, mode);
xerrno = errno;
proxy_netio_set(strm_type, curr_netio);
errno = xerrno;
return nstrm;
}
END_TEST
START_TEST (inet_copy_conn_test) {
int fd = -1, sockfd = -1, port = INPORT_ANY;
conn_t *conn, *conn2;
const char *name;
conn = pr_inet_copy_conn(NULL, NULL);
fail_unless(conn == NULL, "Failed to handle null arguments");
fail_unless(errno == EINVAL, "Expected EINVAL (%d), got %s (%d)", EINVAL,
strerror(errno), errno);
conn = pr_inet_copy_conn(p, NULL);
fail_unless(conn == NULL, "Failed to handle null conn argument");
fail_unless(errno == EINVAL, "Expected EINVAL (%d), got %s (%d)", EINVAL,
strerror(errno), errno);
conn = pr_inet_create_conn(p, sockfd, NULL, port, FALSE);
fail_unless(conn != NULL, "Failed to create conn: %s", strerror(errno));
conn2 = pr_inet_copy_conn(p, conn);
fail_unless(conn2 != NULL, "Failed to copy conn: %s", strerror(errno));
pr_inet_close(p, conn);
pr_inet_close(p, conn2);
conn = pr_inet_create_conn(p, sockfd, NULL, port, FALSE);
fail_unless(conn != NULL, "Failed to create conn: %s", strerror(errno));
name = "127.0.0.1";
conn->remote_addr = pr_netaddr_get_addr(p, name, NULL);
fail_unless(conn->remote_addr != NULL, "Failed to resolve '%s': %s",
name, strerror(errno));
conn->remote_name = pstrdup(p, name);
conn->instrm = pr_netio_open(p, PR_NETIO_STRM_CTRL, fd, PR_NETIO_IO_RD);
fail_unless(conn->instrm != NULL, "Failed to open ctrl reading stream: %s",
strerror(errno));
conn->outstrm = pr_netio_open(p, PR_NETIO_STRM_CTRL, fd, PR_NETIO_IO_WR);
fail_unless(conn->instrm != NULL, "Failed to open ctrl writing stream: %s",
strerror(errno));
conn2 = pr_inet_copy_conn(p, conn);
fail_unless(conn2 != NULL, "Failed to copy conn: %s", strerror(errno));
mark_point();
pr_inet_lingering_close(NULL, NULL, 0L);
pr_inet_lingering_close(p, conn, 0L);
pr_inet_close(p, conn2);
conn = pr_inet_create_conn(p, sockfd, NULL, port, FALSE);
fail_unless(conn != NULL, "Failed to create conn: %s", strerror(errno));
conn->instrm = pr_netio_open(p, PR_NETIO_STRM_CTRL, fd, PR_NETIO_IO_RD);
fail_unless(conn->instrm != NULL, "Failed to open ctrl reading stream: %s",
strerror(errno));
conn->outstrm = pr_netio_open(p, PR_NETIO_STRM_CTRL, fd, PR_NETIO_IO_WR);
fail_unless(conn->instrm != NULL, "Failed to open ctrl writing stream: %s",
strerror(errno));
mark_point();
pr_inet_lingering_abort(NULL, NULL, 0L);
pr_inet_lingering_abort(p, conn, 0L);
}
END_TEST
START_TEST (inet_connect_ipv4_test) {
int res;
conn_t *conn;
const pr_netaddr_t *addr;
mark_point();
res = proxy_inet_connect(NULL, NULL, NULL, 0);
fail_unless(res < 0, "Failed to handle null pool");
fail_unless(errno == EINVAL, "Expected EINVAL (%d), got '%s' (%d)", EINVAL,
strerror(errno), errno);
mark_point();
res = proxy_inet_connect(p, NULL, NULL, 0);
fail_unless(res < 0, "Failed to handle null conn");
fail_unless(errno == EINVAL, "Expected EINVAL (%d), got '%s' (%d)", EINVAL,
strerror(errno), errno);
conn = pr_inet_create_conn(p, -1, NULL, INPORT_ANY, FALSE);
fail_unless(conn != NULL, "Failed to create conn: %s", strerror(errno));
mark_point();
res = proxy_inet_connect(p, conn, NULL, 0);
fail_unless(res < 0, "Failed to handle null addr");
fail_unless(errno == EINVAL, "Expected EINVAL (%d), got '%s' (%d)", EINVAL,
strerror(errno), errno);
addr = pr_netaddr_get_addr(p, "127.0.0.1", NULL);
fail_unless(addr != NULL, "Failed to resolve '127.0.0.1': %s",
strerror(errno));
mark_point();
res = proxy_inet_connect(p, conn, addr, 80);
fail_unless(res < 0, "Connected to 127.0.0.1#80 unexpectedly");
fail_unless(errno == ECONNREFUSED,
"Expected ECONNREFUSED (%d), got '%s' (%d)", ECONNREFUSED,
strerror(errno), errno);
proxy_inet_close(p, conn);
/* Try connecting to Google's DNS server. */
addr = pr_netaddr_get_addr(p, "8.8.8.8", NULL);
fail_unless(addr != NULL, "Failed to resolve '8.8.8.8': %s",
strerror(errno));
conn = pr_inet_create_conn(p, -1, NULL, INPORT_ANY, FALSE);
fail_unless(conn != NULL, "Failed to create conn: %s", strerror(errno));
mark_point();
res = proxy_inet_connect(p, conn, addr, 53);
fail_if(res < 0, "Failed to connect to 8.8.8.8#53: %s", strerror(errno));
mark_point();
proxy_inet_close(p, conn);
/* Now start supplying in/out streams. */
conn = pr_inet_create_conn(p, -1, NULL, INPORT_ANY, FALSE);
fail_unless(conn != NULL, "Failed to create conn: %s", strerror(errno));
conn->instrm = pr_netio_open(p, PR_NETIO_STRM_CTRL, -1, PR_NETIO_IO_RD);
fail_unless(conn->instrm != NULL, "Failed to open ctrl reading stream: %s",
strerror(errno));
mark_point();
res = proxy_inet_connect(p, conn, addr, 53);
fail_if(res < 0, "Failed to connect to 8.8.8.8#53: %s", strerror(errno));
mark_point();
proxy_inet_close(p, conn);
conn = pr_inet_create_conn(p, -1, NULL, INPORT_ANY, FALSE);
fail_unless(conn != NULL, "Failed to create conn: %s", strerror(errno));
conn->instrm = pr_netio_open(p, PR_NETIO_STRM_CTRL, -1, PR_NETIO_IO_RD);
fail_unless(conn->instrm != NULL, "Failed to open ctrl reading stream: %s",
strerror(errno));
conn->outstrm = pr_netio_open(p, PR_NETIO_STRM_OTHR, -1, PR_NETIO_IO_WR);
fail_unless(conn->outstrm != NULL, "Failed to open othr writing stream: %s",
strerror(errno));
mark_point();
res = proxy_inet_connect(p, conn, addr, 53);
fail_if(res < 0, "Failed to connect to 8.8.8.8#53: %s", strerror(errno));
mark_point();
proxy_inet_close(p, conn);
}
END_TEST
START_TEST (inet_listen_test) {
int res;
conn_t *conn;
mark_point();
res = proxy_inet_listen(NULL, NULL, 0, 0);
fail_unless(res < 0, "Failed to handle null arguments");
fail_unless(errno == EINVAL, "Expected EINVAL (%d), got %s (%d)", EINVAL,
strerror(errno), errno);
mark_point();
res = proxy_inet_listen(p, NULL, 0, 0);
fail_unless(res < 0, "Failed to handle null conn");
fail_unless(errno == EINVAL, "Expected EINVAL (%d), got %s (%d)", EINVAL,
strerror(errno), errno);
conn = pr_inet_create_conn(p, -1, NULL, INPORT_ANY, FALSE);
fail_unless(conn != NULL, "Failed to create conn: %s", strerror(errno));
mark_point();
res = proxy_inet_listen(p, conn, 5, 0);
fail_unless(res == 0, "Failed to listen on conn: %s", strerror(errno));
mark_point();
proxy_inet_close(p, conn);
/* Now start providing in/out streams. */
conn = pr_inet_create_conn(p, -1, NULL, INPORT_ANY, FALSE);
fail_unless(conn != NULL, "Failed to create conn: %s", strerror(errno));
conn->instrm = pr_netio_open(p, PR_NETIO_STRM_CTRL, -1, PR_NETIO_IO_RD);
fail_unless(conn->instrm != NULL, "Failed to open ctrl reading stream: %s",
strerror(errno));
mark_point();
res = proxy_inet_listen(p, conn, 5, 0);
fail_unless(res == 0, "Failed to listen on conn: %s", strerror(errno));
mark_point();
proxy_inet_close(p, conn);
conn = pr_inet_create_conn(p, -1, NULL, INPORT_ANY, FALSE);
fail_unless(conn != NULL, "Failed to create conn: %s", strerror(errno));
conn->instrm = pr_netio_open(p, PR_NETIO_STRM_CTRL, -1, PR_NETIO_IO_RD);
fail_unless(conn->instrm != NULL, "Failed to open ctrl reading stream: %s",
strerror(errno));
conn->outstrm = pr_netio_open(p, PR_NETIO_STRM_OTHR, -1, PR_NETIO_IO_WR);
fail_unless(conn->outstrm != NULL, "Failed to open othr writing stream: %s",
strerror(errno));
mark_point();
res = proxy_inet_listen(p, conn, 5, 0);
fail_unless(res == 0, "Failed to listen on conn: %s", strerror(errno));
mark_point();
proxy_inet_close(p, conn);
}
char *pr_ident_lookup(pool *p, conn_t *c) {
char *ret = "UNKNOWN";
pool *tmp_pool = NULL;
conn_t *ident_conn = NULL, *ident_io = NULL;
char buf[256] = {'\0'}, *tok = NULL, *tmp = NULL;
int timerno, i = 0;
int ident_port = pr_inet_getservport(p, "ident", "tcp");
tmp_pool = make_sub_pool(p);
ident_timeout = 0;
nstrm = NULL;
if (ident_port == -1) {
destroy_pool(tmp_pool);
return pstrdup(p, ret);
}
/* Set up our timer before going any further. */
timerno = pr_timer_add(PR_TUNABLE_TIMEOUTIDENT, -1, NULL,
(callback_t) ident_timeout_cb, "ident lookup");
if (timerno <= 0) {
destroy_pool(tmp_pool);
return pstrdup(p, ret);
}
ident_conn = pr_inet_create_connection(tmp_pool, NULL, -1, c->local_addr,
INPORT_ANY, FALSE);
pr_inet_set_nonblock(tmp_pool, ident_conn);
i = pr_inet_connect_nowait(tmp_pool, ident_conn, c->remote_addr, ident_port);
if (i < 0) {
int xerrno = errno;
pr_timer_remove(timerno, ANY_MODULE);
pr_inet_close(tmp_pool, ident_conn);
pr_trace_msg(trace_channel, 5, "connection to %s, port %d failed: %s",
pr_netaddr_get_ipstr(c->remote_addr), ident_port, strerror(xerrno));
destroy_pool(tmp_pool);
errno = xerrno;
return pstrdup(p, ret);
}
if (!i) {
/* Not yet connected. */
nstrm = pr_netio_open(p, PR_NETIO_STRM_OTHR, ident_conn->listen_fd,
PR_NETIO_IO_RD);
pr_netio_set_poll_interval(nstrm, 1);
switch (pr_netio_poll(nstrm)) {
/* Aborted, timed out */
case 1: {
if (ident_timeout) {
pr_timer_remove(timerno, ANY_MODULE);
pr_netio_close(nstrm);
pr_inet_close(tmp_pool, ident_conn);
pr_trace_msg(trace_channel, 5, "lookup timed out, returning '%s'",
ret);
destroy_pool(tmp_pool);
return pstrdup(p, ret);
}
break;
}
/* Error. */
case -1: {
int xerrno = errno;
pr_timer_remove(timerno, ANY_MODULE);
pr_netio_close(nstrm);
pr_inet_close(tmp_pool, ident_conn);
pr_trace_msg(trace_channel, 6, "lookup failed (%s), returning '%s'",
strerror(xerrno), ret);
destroy_pool(tmp_pool);
errno = xerrno;
return pstrdup(p, ret);
}
/* Connected. */
default: {
ident_conn->mode = CM_OPEN;
if (pr_inet_get_conn_info(ident_conn, ident_conn->listen_fd) < 0) {
int xerrno = errno;
pr_timer_remove(timerno, ANY_MODULE);
pr_netio_close(nstrm);
pr_inet_close(tmp_pool, ident_conn);
pr_trace_msg(trace_channel, 2,
"lookup timed out (%s), returning '%s'", strerror(xerrno), ret);
destroy_pool(tmp_pool);
errno = xerrno;
return pstrdup(p, ret);
}
break;
}
}
}
ident_io = pr_inet_openrw(tmp_pool, ident_conn, NULL, PR_NETIO_STRM_OTHR,
-1, -1, -1, FALSE);
if (ident_io == NULL) {
int xerrno = errno;
pr_timer_remove(timerno, ANY_MODULE);
pr_inet_close(tmp_pool, ident_conn);
pr_trace_msg(trace_channel, 3, "failed opening read/write connection: %s",
strerror(xerrno));
destroy_pool(tmp_pool);
errno = xerrno;
return pstrdup(p, ret);
}
nstrm = ident_io->instrm;
pr_inet_set_nonblock(tmp_pool, ident_io);
pr_netio_set_poll_interval(ident_io->instrm, 1);
pr_netio_set_poll_interval(ident_io->outstrm, 1);
pr_netio_printf(ident_io->outstrm, "%d, %d\r\n", c->remote_port,
c->local_port);
/* If the timer fires while in netio_gets(), netio_gets() will simply return
* either a partial string, or NULL. This works because ident_timeout_cb
* aborts the stream from which we are reading. netio_set_poll_interval() is
* used to make sure significant delays don't occur on systems that
* automatically restart syscalls after the SIGALRM signal.
*/
pr_trace_msg(trace_channel, 4, "reading response from remote ident server");
if (pr_netio_gets(buf, sizeof(buf), ident_io->instrm)) {
strip_end(buf, "\r\n");
pr_trace_msg(trace_channel, 6, "received '%s' from remote ident server",
buf);
tmp = buf;
tok = get_token(&tmp, ":");
if (tok && (tok = get_token(&tmp, ":"))) {
while (*tok && isspace((int) *tok)) {
pr_signals_handle();
tok++;
}
strip_end(tok, " \t");
if (strcasecmp(tok, "ERROR") == 0) {
if (tmp) {
while (*tmp && isspace((int) *tmp)) {
pr_signals_handle();
tmp++;
}
strip_end(tmp, " \t");
if (strcasecmp(tmp, "HIDDEN-USER") == 0)
ret = "HIDDEN-USER";
}
} else if (strcasecmp(tok, "USERID") == 0) {
if (tmp && (tok = get_token(&tmp, ":"))) {
if (tmp) {
while (*tmp && isspace((int) *tmp)) {
pr_signals_handle();
tmp++;
}
strip_end(tmp, " \t");
ret = tmp;
}
}
}
}
}
pr_timer_remove(timerno, ANY_MODULE);
pr_inet_close(tmp_pool, ident_io);
pr_inet_close(tmp_pool, ident_conn);
destroy_pool(tmp_pool);
return pstrdup(p, ret);
}