/** * @brief Disconnect from a session (client or server). * The session can then be reused to open a new session. * * @param[in] session The SSH session to use. */ void ssh_disconnect(ssh_session session) { ssh_string str = NULL; int i; if (session == NULL) { return; } enter_function(); if (ssh_socket_is_open(session->socket)) { if (buffer_add_u8(session->out_buffer, SSH2_MSG_DISCONNECT) < 0) { goto error; } if (buffer_add_u32(session->out_buffer, htonl(SSH2_DISCONNECT_BY_APPLICATION)) < 0) { goto error; } str = ssh_string_from_char("Bye Bye"); if (str == NULL) { goto error; } if (buffer_add_ssh_string(session->out_buffer,str) < 0) { ssh_string_free(str); goto error; } ssh_string_free(str); packet_send(session); ssh_socket_close(session->socket); } error: session->alive = 0; if(session->socket){ ssh_socket_reset(session->socket); } session->fd = SSH_INVALID_SOCKET; session->session_state=SSH_SESSION_STATE_DISCONNECTED; while (session->channels) { ssh_channel_free(session->channels); } if(session->current_crypto){ crypto_free(session->current_crypto); session->current_crypto=NULL; } if(session->in_buffer) buffer_reinit(session->in_buffer); if(session->out_buffer) buffer_reinit(session->out_buffer); if(session->in_hashbuf) buffer_reinit(session->in_hashbuf); if(session->out_hashbuf) buffer_reinit(session->out_hashbuf); session->auth_methods = 0; SAFE_FREE(session->serverbanner); SAFE_FREE(session->clientbanner); if (session->client_kex.methods) { for (i = 0; i < 10; i++) { SAFE_FREE(session->client_kex.methods[i]); } } if (session->server_kex.methods) { for (i = 0; i < 10; i++) { SAFE_FREE(session->server_kex.methods[i]); } } SAFE_FREE(session->client_kex.methods); SAFE_FREE(session->server_kex.methods); if(session->ssh_message_list){ ssh_message msg; while((msg=ssh_list_pop_head(ssh_message ,session->ssh_message_list)) != NULL){ ssh_message_free(msg); } ssh_list_free(session->ssh_message_list); session->ssh_message_list=NULL; } if (session->packet_callbacks){ ssh_list_free(session->packet_callbacks); session->packet_callbacks=NULL; } leave_function(); }
/** * @brief Disconnect from a session (client or server). * The session can then be reused to open a new session. * * @param[in] session The SSH session to use. */ void ssh_disconnect(ssh_session session) { ssh_string str = NULL; struct ssh_iterator *it; if (session == NULL) { return; } if (session->socket != NULL && ssh_socket_is_open(session->socket)) { if (buffer_add_u8(session->out_buffer, SSH2_MSG_DISCONNECT) < 0) { goto error; } if (buffer_add_u32(session->out_buffer, htonl(SSH2_DISCONNECT_BY_APPLICATION)) < 0) { goto error; } str = ssh_string_from_char("Bye Bye"); if (str == NULL) { goto error; } if (buffer_add_ssh_string(session->out_buffer,str) < 0) { ssh_string_free(str); goto error; } ssh_string_free(str); packet_send(session); ssh_socket_close(session->socket); } error: session->alive = 0; if (session->socket != NULL){ ssh_socket_reset(session->socket); } session->opts.fd = SSH_INVALID_SOCKET; session->session_state=SSH_SESSION_STATE_DISCONNECTED; while ((it=ssh_list_get_iterator(session->channels)) != NULL) { ssh_channel_do_free(ssh_iterator_value(ssh_channel,it)); ssh_list_remove(session->channels, it); } if(session->current_crypto){ crypto_free(session->current_crypto); session->current_crypto=NULL; } if (session->in_buffer) { ssh_buffer_reinit(session->in_buffer); } if (session->out_buffer) { ssh_buffer_reinit(session->out_buffer); } if (session->in_hashbuf) { ssh_buffer_reinit(session->in_hashbuf); } if (session->out_hashbuf) { ssh_buffer_reinit(session->out_hashbuf); } session->auth_methods = 0; SAFE_FREE(session->serverbanner); SAFE_FREE(session->clientbanner); if(session->ssh_message_list){ ssh_message msg; while((msg=ssh_list_pop_head(ssh_message ,session->ssh_message_list)) != NULL){ ssh_message_free(msg); } ssh_list_free(session->ssh_message_list); session->ssh_message_list=NULL; } if (session->packet_callbacks){ ssh_list_free(session->packet_callbacks); session->packet_callbacks=NULL; } }
/** * @brief Disconnect from a session (client or server). * The session can then be reused to open a new session. * * @param[in] session The SSH session to use. */ void ssh_disconnect(ssh_session session) { struct ssh_iterator *it; int rc; if (session == NULL) { return; } if (session->socket != NULL && ssh_socket_is_open(session->socket)) { rc = ssh_buffer_pack(session->out_buffer, "bdss", SSH2_MSG_DISCONNECT, SSH2_DISCONNECT_BY_APPLICATION, "Bye Bye", ""); /* language tag */ if (rc != SSH_OK){ ssh_set_error_oom(session); goto error; } ssh_packet_send(session); ssh_socket_close(session->socket); } error: session->recv_seq = 0; session->send_seq = 0; session->alive = 0; if (session->socket != NULL){ ssh_socket_reset(session->socket); } session->opts.fd = SSH_INVALID_SOCKET; session->session_state=SSH_SESSION_STATE_DISCONNECTED; while ((it=ssh_list_get_iterator(session->channels)) != NULL) { ssh_channel_do_free(ssh_iterator_value(ssh_channel,it)); ssh_list_remove(session->channels, it); } if(session->current_crypto){ crypto_free(session->current_crypto); session->current_crypto=NULL; } if (session->next_crypto) { crypto_free(session->next_crypto); session->next_crypto = crypto_new(); if (session->next_crypto == NULL) { ssh_set_error_oom(session); } } if (session->in_buffer) { ssh_buffer_reinit(session->in_buffer); } if (session->out_buffer) { ssh_buffer_reinit(session->out_buffer); } if (session->in_hashbuf) { ssh_buffer_reinit(session->in_hashbuf); } if (session->out_hashbuf) { ssh_buffer_reinit(session->out_hashbuf); } session->auth.supported_methods = 0; SAFE_FREE(session->serverbanner); SAFE_FREE(session->clientbanner); if(session->ssh_message_list){ ssh_message msg; while((msg=ssh_list_pop_head(ssh_message ,session->ssh_message_list)) != NULL){ ssh_message_free(msg); } ssh_list_free(session->ssh_message_list); session->ssh_message_list=NULL; } if (session->packet_callbacks){ ssh_list_free(session->packet_callbacks); session->packet_callbacks=NULL; } }