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/* Written by Markus Friedl. Placed in the public domain. */
#include "includes.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_bignum(struct ssh *ssh, BIGNUM * value)
{
int r;
if ((r = sshpkt_put_bignum1(ssh, value)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
}
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));
}
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 /* 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_bignum(struct ssh *ssh, BIGNUM * value)
{
int r;
if ((r = sshpkt_get_bignum1(ssh, value)) != 0)
fatal("%s: %s", __func__, ssh_err(r));
}
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));
}
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 /* 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);
}
void
packet_backup_state(void)
{
ssh_packet_backup_state(active_state, backup_state);
}
void
packet_restore_state(void)
{
ssh_packet_restore_state(active_state, backup_state);
}
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) {
switch (r) {
case SSH_ERR_CONN_CLOSED:
logit("Connection closed by %.200s",
ssh_remote_ipaddr(active_state));
cleanup_exit(255);
case SSH_ERR_CONN_TIMEOUT:
logit("Connection to %.200s timed out while "
"waiting to read", ssh_remote_ipaddr(active_state));
cleanup_exit(255);
default:
fatal("%s: %s", __func__, ssh_err(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)))
fatal("%s: %s", __func__, ssh_err(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)
fatal("%s: %s", __func__, ssh_err(r));
}
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