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-rw-r--r--opacket.c320
1 files changed, 320 insertions, 0 deletions
diff --git a/opacket.c b/opacket.c
new file mode 100644
index 0000000..e637d7a
--- /dev/null
+++ b/opacket.c
@@ -0,0 +1,320 @@
+/* $OpenBSD: opacket.c,v 1.7 2017/10/20 01:56:39 djm Exp $ */
+/* Written by Markus Friedl. Placed in the public domain. */
+
+#include "includes.h"
+
+#include <stdarg.h>
+
+#include "ssherr.h"
+#include "packet.h"
+#include "log.h"
+
+struct ssh *active_state, *backup_state;
+
+/* Map old to new API */
+
+void
+ssh_packet_start(struct ssh *ssh, u_char type)
+{
+ int r;
+
+ if ((r = sshpkt_start(ssh, type)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+
+void
+ssh_packet_put_char(struct ssh *ssh, int value)
+{
+ u_char ch = value;
+ int r;
+
+ if ((r = sshpkt_put_u8(ssh, ch)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+
+void
+ssh_packet_put_int(struct ssh *ssh, u_int value)
+{
+ int r;
+
+ if ((r = sshpkt_put_u32(ssh, value)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+
+void
+ssh_packet_put_int64(struct ssh *ssh, u_int64_t value)
+{
+ int r;
+
+ if ((r = sshpkt_put_u64(ssh, value)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+
+void
+ssh_packet_put_string(struct ssh *ssh, const void *buf, u_int len)
+{
+ int r;
+
+ if ((r = sshpkt_put_string(ssh, buf, len)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+
+void
+ssh_packet_put_cstring(struct ssh *ssh, const char *str)
+{
+ int r;
+
+ if ((r = sshpkt_put_cstring(ssh, str)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+
+void
+ssh_packet_put_raw(struct ssh *ssh, const void *buf, u_int len)
+{
+ int r;
+
+ if ((r = sshpkt_put(ssh, buf, len)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+
+
+#ifdef WITH_OPENSSL
+void
+ssh_packet_put_bignum2(struct ssh *ssh, BIGNUM * value)
+{
+ int r;
+
+ if ((r = sshpkt_put_bignum2(ssh, value)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+
+# ifdef OPENSSL_HAS_ECC
+void
+ssh_packet_put_ecpoint(struct ssh *ssh, const EC_GROUP *curve,
+ const EC_POINT *point)
+{
+ int r;
+
+ if ((r = sshpkt_put_ec(ssh, point, curve)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+# endif
+#endif /* WITH_OPENSSL */
+
+void
+ssh_packet_send(struct ssh *ssh)
+{
+ int r;
+
+ if ((r = sshpkt_send(ssh)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+
+u_int
+ssh_packet_get_char(struct ssh *ssh)
+{
+ u_char ch;
+ int r;
+
+ if ((r = sshpkt_get_u8(ssh, &ch)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+ return ch;
+}
+
+u_int
+ssh_packet_get_int(struct ssh *ssh)
+{
+ u_int val;
+ int r;
+
+ if ((r = sshpkt_get_u32(ssh, &val)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+ return val;
+}
+
+u_int64_t
+ssh_packet_get_int64(struct ssh *ssh)
+{
+ u_int64_t val;
+ int r;
+
+ if ((r = sshpkt_get_u64(ssh, &val)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+ return val;
+}
+
+
+#ifdef WITH_OPENSSL
+void
+ssh_packet_get_bignum2(struct ssh *ssh, BIGNUM * value)
+{
+ int r;
+
+ if ((r = sshpkt_get_bignum2(ssh, value)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+
+# ifdef OPENSSL_HAS_ECC
+void
+ssh_packet_get_ecpoint(struct ssh *ssh, const EC_GROUP *curve, EC_POINT *point)
+{
+ int r;
+
+ if ((r = sshpkt_get_ec(ssh, point, curve)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+}
+# endif
+#endif /* WITH_OPENSSL */
+
+void *
+ssh_packet_get_string(struct ssh *ssh, u_int *length_ptr)
+{
+ int r;
+ size_t len;
+ u_char *val;
+
+ if ((r = sshpkt_get_string(ssh, &val, &len)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+ if (length_ptr != NULL)
+ *length_ptr = (u_int)len;
+ return val;
+}
+
+const void *
+ssh_packet_get_string_ptr(struct ssh *ssh, u_int *length_ptr)
+{
+ int r;
+ size_t len;
+ const u_char *val;
+
+ if ((r = sshpkt_get_string_direct(ssh, &val, &len)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+ if (length_ptr != NULL)
+ *length_ptr = (u_int)len;
+ return val;
+}
+
+char *
+ssh_packet_get_cstring(struct ssh *ssh, u_int *length_ptr)
+{
+ int r;
+ size_t len;
+ char *val;
+
+ if ((r = sshpkt_get_cstring(ssh, &val, &len)) != 0)
+ fatal("%s: %s", __func__, ssh_err(r));
+ if (length_ptr != NULL)
+ *length_ptr = (u_int)len;
+ return val;
+}
+
+/* Old API, that had to be reimplemented */
+
+void
+packet_set_connection(int fd_in, int fd_out)
+{
+ active_state = ssh_packet_set_connection(active_state, fd_in, fd_out);
+ if (active_state == NULL)
+ fatal("%s: ssh_packet_set_connection failed", __func__);
+}
+
+u_int
+packet_get_char(void)
+{
+ return (ssh_packet_get_char(active_state));
+}
+
+u_int
+packet_get_int(void)
+{
+ return (ssh_packet_get_int(active_state));
+}
+
+int
+packet_read_seqnr(u_int32_t *seqnr)
+{
+ u_char type;
+ int r;
+
+ if ((r = ssh_packet_read_seqnr(active_state, &type, seqnr)) != 0)
+ sshpkt_fatal(active_state, __func__, r);
+ return type;
+}
+
+int
+packet_read_poll_seqnr(u_int32_t *seqnr)
+{
+ u_char type;
+ int r;
+
+ if ((r = ssh_packet_read_poll_seqnr(active_state, &type, seqnr)))
+ sshpkt_fatal(active_state, __func__, r);
+ return type;
+}
+
+void
+packet_close(void)
+{
+ ssh_packet_close(active_state);
+ active_state = NULL;
+}
+
+void
+packet_process_incoming(const char *buf, u_int len)
+{
+ int r;
+
+ if ((r = ssh_packet_process_incoming(active_state, buf, len)) != 0)
+ sshpkt_fatal(active_state, __func__, r);
+}
+
+void
+packet_write_wait(void)
+{
+ int r;
+
+ if ((r = ssh_packet_write_wait(active_state)) != 0)
+ sshpkt_fatal(active_state, __func__, r);
+}
+
+void
+packet_write_poll(void)
+{
+ int r;
+
+ if ((r = ssh_packet_write_poll(active_state)) != 0)
+ sshpkt_fatal(active_state, __func__, r);
+}
+
+void
+packet_read_expect(int expected_type)
+{
+ int r;
+
+ if ((r = ssh_packet_read_expect(active_state, expected_type)) != 0)
+ sshpkt_fatal(active_state, __func__, r);
+}
+
+void
+packet_disconnect(const char *fmt, ...)
+{
+ char buf[1024];
+ va_list args;
+
+ va_start(args, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, args);
+ va_end(args);
+ ssh_packet_disconnect(active_state, "%s", buf);
+}
+
+void
+packet_send_debug(const char *fmt, ...)
+{
+ char buf[1024];
+ va_list args;
+
+ va_start(args, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, args);
+ va_end(args);
+ ssh_packet_send_debug(active_state, "%s", buf);
+}