82 lines
2.3 KiB
Diff
82 lines
2.3 KiB
Diff
diff -ru openssh-6.2p1/channels.c openssh-6.2p1.patched/channels.c
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--- openssh-6.2p1/channels.c 2012-12-02 23:50:55.000000000 +0100
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+++ openssh-6.2p1.patched/channels.c 2013-05-15 23:26:17.119989982 +0200
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@@ -2865,6 +2865,52 @@
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return success;
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}
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+/*
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+ * Write list of remote forwarding ports into an existing buffer
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+ */
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+void
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+channel_list_rport_listener(char *buf, size_t size)
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+{
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+ u_int i, j, num_ports = 0;
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+ int offset = 0;
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+ int *ports;
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+ int skip;
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+
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+ ports = xcalloc(channels_alloc, sizeof(int));
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+
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+ for (i = 0; i < channels_alloc; i++) {
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+ skip = 0;
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+ Channel *c = channels[i];
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+ if (c == NULL || c->type != SSH_CHANNEL_RPORT_LISTENER)
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+ continue;
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+
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+ /* Skip already added ports - IPv4 + IPv6 == same port twice */
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+ for(j = 0; j < num_ports; j++) {
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+ if (ports[j] == c->listening_port) {
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+ skip = 1;
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+ break;
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+ }
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+ }
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+
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+ if(skip) continue;
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+
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+ ports[num_ports] = c->listening_port;
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+ num_ports++;
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+
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+ if(!offset) {
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+ offset += snprintf(&buf[offset], size - offset, "%d", c->listening_port);
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+ } else
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+ offset += snprintf(&buf[offset], size - offset, " %d", c->listening_port);
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+
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+ if(offset >= size) {
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+ error("Exceeded buffer space for remote forwarding ports listing");
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+ break;
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+ }
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+ }
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+
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+ xfree(ports);
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+}
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+
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int
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channel_cancel_rport_listener(const char *host, u_short port)
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{
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Only in openssh-6.2p1.patched/: .channels.c.swp
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diff -ru openssh-6.2p1/channels.h openssh-6.2p1.patched/channels.h
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--- openssh-6.2p1/channels.h 2012-04-22 03:21:10.000000000 +0200
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+++ openssh-6.2p1.patched/channels.h 2013-05-09 23:21:37.385423623 +0200
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@@ -222,6 +222,7 @@
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void channel_cancel_cleanup(int);
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int channel_close_fd(int *);
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void channel_send_window_changes(void);
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+void channel_list_rport_listener(char *buf, size_t size);
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/* protocol handler */
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diff -ru openssh-6.2p1/session.c openssh-6.2p1.patched/session.c
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--- openssh-6.2p1/session.c 2013-03-15 01:22:37.000000000 +0100
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+++ openssh-6.2p1.patched/session.c 2013-05-15 23:27:12.459989713 +0200
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@@ -1235,6 +1235,9 @@
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xfree(laddr);
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child_set_env(&env, &envsize, "SSH_CONNECTION", buf);
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+ channel_list_rport_listener(buf, sizeof buf);
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+ child_set_env(&env, &envsize, "SSH_REMOTE_FORWARDING_PORTS", buf);
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+
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if (s->ttyfd != -1)
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child_set_env(&env, &envsize, "SSH_TTY", s->tty);
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if (s->term)
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Only in openssh-6.2p1.patched/: .session.c.swp
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