diff options
Diffstat (limited to 'sesman/libscp/libscp_v0.c')
| -rw-r--r-- | sesman/libscp/libscp_v0.c | 648 |
1 files changed, 336 insertions, 312 deletions
diff --git a/sesman/libscp/libscp_v0.c b/sesman/libscp/libscp_v0.c index f8b5a9d6..afa09bd8 100644 --- a/sesman/libscp/libscp_v0.c +++ b/sesman/libscp/libscp_v0.c @@ -1,21 +1,20 @@ -/* - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - xrdp: A Remote Desktop Protocol server. - Copyright (C) Jay Sorg 2005-2010 -*/ +/** + * xrdp: A Remote Desktop Protocol server. + * + * Copyright (C) Jay Sorg 2004-2012 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ /** * @@ -29,361 +28,386 @@ #include "os_calls.h" -extern struct log_config* s_log; +extern struct log_config *s_log; /* client API */ /******************************************************************************/ enum SCP_CLIENT_STATES_E -scp_v0c_connect(struct SCP_CONNECTION* c, struct SCP_SESSION* s) +scp_v0c_connect(struct SCP_CONNECTION *c, struct SCP_SESSION *s) { - tui32 version; - tui32 size; - tui16 sz; - - init_stream(c->in_s, c->in_s->size); - init_stream(c->out_s, c->in_s->size); - - LOG_DBG("[v0:%d] starting connection", __LINE__); - g_tcp_set_non_blocking(c->in_sck); - g_tcp_set_no_delay(c->in_sck); - s_push_layer(c->out_s, channel_hdr, 8); - - /* code */ - if (s->type == SCP_SESSION_TYPE_XVNC) - { - out_uint16_be(c->out_s, 0); - } - else if (s->type == SCP_SESSION_TYPE_XRDP) - { - out_uint16_be(c->out_s, 10); - } - else - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); - return SCP_CLIENT_STATE_INTERNAL_ERR; - } - sz = g_strlen(s->username); - out_uint16_be(c->out_s, sz); - out_uint8a(c->out_s, s->username, sz); - - sz = g_strlen(s->password); - out_uint16_be(c->out_s,sz); - out_uint8a(c->out_s, s->password, sz); - out_uint16_be(c->out_s, s->width); - out_uint16_be(c->out_s, s->height); - out_uint16_be(c->out_s, s->bpp); - - s_mark_end(c->out_s); - s_pop_layer(c->out_s, channel_hdr); - - /* version */ - out_uint32_be(c->out_s, 0); - /* size */ - out_uint32_be(c->out_s, c->out_s->end - c->out_s->data); - - if (0!=scp_tcp_force_send(c->in_sck, c->out_s->data, c->out_s->end - c->out_s->data)) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); - return SCP_CLIENT_STATE_NETWORK_ERR; - } - - if (0!=scp_tcp_force_recv(c->in_sck, c->in_s->data, 8)) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); - return SCP_CLIENT_STATE_NETWORK_ERR; - } - - in_uint32_be(c->in_s, version); - if (0 != version) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: version error", __LINE__); - return SCP_CLIENT_STATE_VERSION_ERR; - } - - in_uint32_be(c->in_s, size); - if (size < 14) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: packet size error", __LINE__); - return SCP_CLIENT_STATE_SIZE_ERR; - } - - /* getting payload */ - init_stream(c->in_s, c->in_s->size); - if (0!=scp_tcp_force_recv(c->in_sck, c->in_s->data, size - 8)) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); - return SCP_CLIENT_STATE_NETWORK_ERR; - } - - /* check code */ - in_uint16_be(c->in_s, sz); - if (3 != sz) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: sequence error", __LINE__); - return SCP_CLIENT_STATE_SEQUENCE_ERR; - } - - /* message payload */ - in_uint16_be(c->in_s, sz); - if (1 != sz) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: connection denied", __LINE__); - return SCP_CLIENT_STATE_CONNECTION_DENIED; - } - - in_uint16_be(c->in_s, sz); - s->display = sz; - - LOG_DBG("[v0:%d] connection terminated", __LINE__); - return SCP_CLIENT_STATE_END; -} + tui32 version; + tui32 size; + tui16 sz; + + init_stream(c->in_s, c->in_s->size); + init_stream(c->out_s, c->in_s->size); -/* server API */ -/******************************************************************************/ -enum SCP_SERVER_STATES_E -scp_v0s_accept(struct SCP_CONNECTION* c, struct SCP_SESSION** s, int skipVchk) -{ - tui32 version = 0; - tui32 size; - struct SCP_SESSION* session = 0; - tui16 sz; - tui32 code = 0; - char buf[257]; - - if (!skipVchk) - { LOG_DBG("[v0:%d] starting connection", __LINE__); - if (0 == scp_tcp_force_recv(c->in_sck, c->in_s->data, 8)) + g_tcp_set_non_blocking(c->in_sck); + g_tcp_set_no_delay(c->in_sck); + s_push_layer(c->out_s, channel_hdr, 8); + + /* code */ + if (s->type == SCP_SESSION_TYPE_XVNC) { - c->in_s->end = c->in_s->data + 8; - in_uint32_be(c->in_s, version); - if (version != 0) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: version error", __LINE__); - return SCP_SERVER_STATE_VERSION_ERR; - } + out_uint16_be(c->out_s, 0); + } + else if (s->type == SCP_SESSION_TYPE_XRDP) + { + out_uint16_be(c->out_s, 10); } else { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); - return SCP_SERVER_STATE_NETWORK_ERR; + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); + return SCP_CLIENT_STATE_INTERNAL_ERR; } - } - in_uint32_be(c->in_s, size); + sz = g_strlen(s->username); + out_uint16_be(c->out_s, sz); + out_uint8a(c->out_s, s->username, sz); + + sz = g_strlen(s->password); + out_uint16_be(c->out_s, sz); + out_uint8a(c->out_s, s->password, sz); + out_uint16_be(c->out_s, s->width); + out_uint16_be(c->out_s, s->height); + out_uint16_be(c->out_s, s->bpp); - init_stream(c->in_s, 8196); - if (0 != scp_tcp_force_recv(c->in_sck, c->in_s->data, size - 8)) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); - return SCP_SERVER_STATE_NETWORK_ERR; - } - c->in_s->end = c->in_s->data + (size - 8); + s_mark_end(c->out_s); + s_pop_layer(c->out_s, channel_hdr); - in_uint16_be(c->in_s, code); + /* version */ + out_uint32_be(c->out_s, 0); + /* size */ + out_uint32_be(c->out_s, c->out_s->end - c->out_s->data); - if (code == 0 || code == 10) - { - session = scp_session_create(); - if (0 == session) + if (0 != scp_tcp_force_send(c->in_sck, c->out_s->data, c->out_s->end - c->out_s->data)) { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); - return SCP_SERVER_STATE_INTERNAL_ERR; + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); + return SCP_CLIENT_STATE_NETWORK_ERR; } - scp_session_set_version(session, version); - if (code == 0) + if (0 != scp_tcp_force_recv(c->in_sck, c->in_s->data, 8)) { - scp_session_set_type(session, SCP_SESSION_TYPE_XVNC); + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); + return SCP_CLIENT_STATE_NETWORK_ERR; } - else + + in_uint32_be(c->in_s, version); + + if (0 != version) { - scp_session_set_type(session, SCP_SESSION_TYPE_XRDP); + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: version error", __LINE__); + return SCP_CLIENT_STATE_VERSION_ERR; } - /* reading username */ - in_uint16_be(c->in_s, sz); - buf[sz]='\0'; - in_uint8a(c->in_s, buf, sz); - if (0 != scp_session_set_username(session, buf)) + in_uint32_be(c->in_s, size); + + if (size < 14) { - scp_session_destroy(session); - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting username", __LINE__); - return SCP_SERVER_STATE_INTERNAL_ERR; + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: packet size error", __LINE__); + return SCP_CLIENT_STATE_SIZE_ERR; } - /* reading password */ - in_uint16_be(c->in_s, sz); - buf[sz]='\0'; - in_uint8a(c->in_s, buf, sz); - if (0 != scp_session_set_password(session, buf)) + /* getting payload */ + init_stream(c->in_s, c->in_s->size); + + if (0 != scp_tcp_force_recv(c->in_sck, c->in_s->data, size - 8)) { - scp_session_destroy(session); - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting password", __LINE__); - return SCP_SERVER_STATE_INTERNAL_ERR; + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); + return SCP_CLIENT_STATE_NETWORK_ERR; } - /* width */ + /* check code */ in_uint16_be(c->in_s, sz); - scp_session_set_width(session, sz); - /* height */ + + if (3 != sz) + { + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: sequence error", __LINE__); + return SCP_CLIENT_STATE_SEQUENCE_ERR; + } + + /* message payload */ in_uint16_be(c->in_s, sz); - scp_session_set_height(session, sz); - /* bpp */ + + if (1 != sz) + { + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: connection denied", __LINE__); + return SCP_CLIENT_STATE_CONNECTION_DENIED; + } + in_uint16_be(c->in_s, sz); - scp_session_set_bpp(session, (tui8)sz); - if (s_check_rem(c->in_s, 2)) + s->display = sz; + + LOG_DBG("[v0:%d] connection terminated", __LINE__); + return SCP_CLIENT_STATE_END; +} + +/* server API */ +/******************************************************************************/ +enum SCP_SERVER_STATES_E +scp_v0s_accept(struct SCP_CONNECTION *c, struct SCP_SESSION **s, int skipVchk) +{ + tui32 version = 0; + tui32 size; + struct SCP_SESSION *session = 0; + tui16 sz; + tui32 code = 0; + char buf[257]; + + if (!skipVchk) { - /* reading domain */ - in_uint16_be(c->in_s, sz); - if (sz > 0) - { - in_uint8a(c->in_s, buf, sz); - buf[sz] = '\0'; - scp_session_set_domain(session, buf); - } + LOG_DBG("[v0:%d] starting connection", __LINE__); + + if (0 == scp_tcp_force_recv(c->in_sck, c->in_s->data, 8)) + { + c->in_s->end = c->in_s->data + 8; + in_uint32_be(c->in_s, version); + + if (version != 0) + { + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: version error", __LINE__); + return SCP_SERVER_STATE_VERSION_ERR; + } + } + else + { + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); + return SCP_SERVER_STATE_NETWORK_ERR; + } } - if (s_check_rem(c->in_s, 2)) + + in_uint32_be(c->in_s, size); + + init_stream(c->in_s, 8196); + + if (0 != scp_tcp_force_recv(c->in_sck, c->in_s->data, size - 8)) { - /* reading program */ - in_uint16_be(c->in_s, sz); - if (sz > 0) - { - in_uint8a(c->in_s, buf, sz); - buf[sz] = '\0'; - scp_session_set_program(session, buf); - } + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); + return SCP_SERVER_STATE_NETWORK_ERR; } - if (s_check_rem(c->in_s, 2)) + + c->in_s->end = c->in_s->data + (size - 8); + + in_uint16_be(c->in_s, code); + + if (code == 0 || code == 10) { - /* reading directory */ - in_uint16_be(c->in_s, sz); - if (sz > 0) - { + session = scp_session_create(); + + if (0 == session) + { + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); + return SCP_SERVER_STATE_INTERNAL_ERR; + } + + scp_session_set_version(session, version); + + if (code == 0) + { + scp_session_set_type(session, SCP_SESSION_TYPE_XVNC); + } + else + { + scp_session_set_type(session, SCP_SESSION_TYPE_XRDP); + } + + /* reading username */ + in_uint16_be(c->in_s, sz); + buf[sz] = '\0'; in_uint8a(c->in_s, buf, sz); + + if (0 != scp_session_set_username(session, buf)) + { + scp_session_destroy(session); + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting username", __LINE__); + return SCP_SERVER_STATE_INTERNAL_ERR; + } + + /* reading password */ + in_uint16_be(c->in_s, sz); buf[sz] = '\0'; - scp_session_set_directory(session, buf); - } + in_uint8a(c->in_s, buf, sz); + + if (0 != scp_session_set_password(session, buf)) + { + scp_session_destroy(session); + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting password", __LINE__); + return SCP_SERVER_STATE_INTERNAL_ERR; + } + + /* width */ + in_uint16_be(c->in_s, sz); + scp_session_set_width(session, sz); + /* height */ + in_uint16_be(c->in_s, sz); + scp_session_set_height(session, sz); + /* bpp */ + in_uint16_be(c->in_s, sz); + scp_session_set_bpp(session, (tui8)sz); + + if (s_check_rem(c->in_s, 2)) + { + /* reading domain */ + in_uint16_be(c->in_s, sz); + + if (sz > 0) + { + in_uint8a(c->in_s, buf, sz); + buf[sz] = '\0'; + scp_session_set_domain(session, buf); + } + } + + if (s_check_rem(c->in_s, 2)) + { + /* reading program */ + in_uint16_be(c->in_s, sz); + + if (sz > 0) + { + in_uint8a(c->in_s, buf, sz); + buf[sz] = '\0'; + scp_session_set_program(session, buf); + } + } + + if (s_check_rem(c->in_s, 2)) + { + /* reading directory */ + in_uint16_be(c->in_s, sz); + + if (sz > 0) + { + in_uint8a(c->in_s, buf, sz); + buf[sz] = '\0'; + scp_session_set_directory(session, buf); + } + } + + if (s_check_rem(c->in_s, 2)) + { + /* reading client IP address */ + in_uint16_be(c->in_s, sz); + + if (sz > 0) + { + in_uint8a(c->in_s, buf, sz); + buf[sz] = '\0'; + scp_session_set_client_ip(session, buf); + } + } } - if (s_check_rem(c->in_s, 2)) + else if (code == SCP_GW_AUTHENTICATION) { - /* reading client IP address */ - in_uint16_be(c->in_s, sz); - if (sz > 0) - { + /* g_writeln("Command is SCP_GW_AUTHENTICATION"); */ + session = scp_session_create(); + + if (0 == session) + { + /* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__);*/ + return SCP_SERVER_STATE_INTERNAL_ERR; + } + + scp_session_set_version(session, version); + scp_session_set_type(session, SCP_GW_AUTHENTICATION); + /* reading username */ + in_uint16_be(c->in_s, sz); + buf[sz] = '\0'; in_uint8a(c->in_s, buf, sz); + + /* g_writeln("Received user name: %s",buf); */ + if (0 != scp_session_set_username(session, buf)) + { + scp_session_destroy(session); + /* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting username", __LINE__);*/ + return SCP_SERVER_STATE_INTERNAL_ERR; + } + + /* reading password */ + in_uint16_be(c->in_s, sz); buf[sz] = '\0'; - scp_session_set_client_ip(session, buf); - } - } - } - else if (code == SCP_GW_AUTHENTICATION) - { - /* g_writeln("Command is SCP_GW_AUTHENTICATION"); */ - session = scp_session_create(); - if (0 == session) - { - /* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__);*/ - return SCP_SERVER_STATE_INTERNAL_ERR; - } + in_uint8a(c->in_s, buf, sz); - scp_session_set_version(session, version); - scp_session_set_type(session, SCP_GW_AUTHENTICATION); - /* reading username */ - in_uint16_be(c->in_s, sz); - buf[sz]='\0'; - in_uint8a(c->in_s, buf, sz); - /* g_writeln("Received user name: %s",buf); */ - if (0 != scp_session_set_username(session, buf)) - { - scp_session_destroy(session); - /* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting username", __LINE__);*/ - return SCP_SERVER_STATE_INTERNAL_ERR; + /* g_writeln("Received password: %s",buf); */ + if (0 != scp_session_set_password(session, buf)) + { + scp_session_destroy(session); + /* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting password", __LINE__); */ + return SCP_SERVER_STATE_INTERNAL_ERR; + } } - - /* reading password */ - in_uint16_be(c->in_s, sz); - buf[sz] = '\0'; - in_uint8a(c->in_s, buf, sz); - /* g_writeln("Received password: %s",buf); */ - if (0 != scp_session_set_password(session, buf)) + else { - scp_session_destroy(session); - /* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: error setting password", __LINE__); */ - return SCP_SERVER_STATE_INTERNAL_ERR; + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: sequence error", __LINE__); + return SCP_SERVER_STATE_SEQUENCE_ERR; } - } - else - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: sequence error", __LINE__); - return SCP_SERVER_STATE_SEQUENCE_ERR; - } - - (*s)=session; - return SCP_SERVER_STATE_OK; + + (*s) = session; + return SCP_SERVER_STATE_OK; } /******************************************************************************/ enum SCP_SERVER_STATES_E -scp_v0s_allow_connection(struct SCP_CONNECTION* c, SCP_DISPLAY d) +scp_v0s_allow_connection(struct SCP_CONNECTION *c, SCP_DISPLAY d) { - out_uint32_be(c->out_s, 0); /* version */ - out_uint32_be(c->out_s, 14); /* size */ - out_uint16_be(c->out_s, 3); /* cmd */ - out_uint16_be(c->out_s, 1); /* data */ - out_uint16_be(c->out_s, d); /* data */ - s_mark_end(c->out_s); - - if (0 != scp_tcp_force_send(c->in_sck, c->out_s->data, c->out_s->end - c->out_s->data)) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); - return SCP_SERVER_STATE_NETWORK_ERR; - } - - LOG_DBG("[v0:%d] connection terminated (allowed)", __LINE__); - return SCP_SERVER_STATE_OK; + out_uint32_be(c->out_s, 0); /* version */ + out_uint32_be(c->out_s, 14); /* size */ + out_uint16_be(c->out_s, 3); /* cmd */ + out_uint16_be(c->out_s, 1); /* data */ + out_uint16_be(c->out_s, d); /* data */ + s_mark_end(c->out_s); + + if (0 != scp_tcp_force_send(c->in_sck, c->out_s->data, c->out_s->end - c->out_s->data)) + { + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); + return SCP_SERVER_STATE_NETWORK_ERR; + } + + LOG_DBG("[v0:%d] connection terminated (allowed)", __LINE__); + return SCP_SERVER_STATE_OK; } /******************************************************************************/ enum SCP_SERVER_STATES_E -scp_v0s_deny_connection(struct SCP_CONNECTION* c) +scp_v0s_deny_connection(struct SCP_CONNECTION *c) { - out_uint32_be(c->out_s, 0); /* version */ - out_uint32_be(c->out_s, 14); /* size */ - out_uint16_be(c->out_s, 3); /* cmd */ - out_uint16_be(c->out_s, 0); /* data = 0 - means NOT ok*/ - out_uint16_be(c->out_s, 0); /* reserved for display number*/ - s_mark_end(c->out_s); - - if (0 != scp_tcp_force_send(c->in_sck, c->out_s->data, c->out_s->end - c->out_s->data)) - { - log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); - return SCP_SERVER_STATE_NETWORK_ERR; - } - - LOG_DBG("[v0:%d] connection terminated (denied)", __LINE__); - return SCP_SERVER_STATE_OK; + out_uint32_be(c->out_s, 0); /* version */ + out_uint32_be(c->out_s, 14); /* size */ + out_uint16_be(c->out_s, 3); /* cmd */ + out_uint16_be(c->out_s, 0); /* data = 0 - means NOT ok*/ + out_uint16_be(c->out_s, 0); /* reserved for display number*/ + s_mark_end(c->out_s); + + if (0 != scp_tcp_force_send(c->in_sck, c->out_s->data, c->out_s->end - c->out_s->data)) + { + log_message(LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); + return SCP_SERVER_STATE_NETWORK_ERR; + } + + LOG_DBG("[v0:%d] connection terminated (denied)", __LINE__); + return SCP_SERVER_STATE_OK; } /******************************************************************************/ enum SCP_SERVER_STATES_E -scp_v0s_replyauthentication(struct SCP_CONNECTION* c, unsigned short int value) +scp_v0s_replyauthentication(struct SCP_CONNECTION *c, unsigned short int value) { - out_uint32_be(c->out_s, 0); /* version */ - out_uint32_be(c->out_s, 14); /* size */ - /* cmd SCP_GW_AUTHENTICATION means authentication reply */ - out_uint16_be(c->out_s, SCP_GW_AUTHENTICATION); - out_uint16_be(c->out_s, value); /* reply code */ - out_uint16_be(c->out_s, 0); /* dummy data */ - s_mark_end(c->out_s); - - /* g_writeln("Total number of bytes that will be sent %d",c->out_s->end - c->out_s->data);*/ - if (0 != scp_tcp_force_send(c->in_sck, c->out_s->data, c->out_s->end - c->out_s->data)) - { - /* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); */ - return SCP_SERVER_STATE_NETWORK_ERR; - } - - /* until syslog merge LOG_DBG(s_log, "[v0:%d] connection terminated (scp_v0s_deny_authentication)", __LINE__);*/ - return SCP_SERVER_STATE_OK; + out_uint32_be(c->out_s, 0); /* version */ + out_uint32_be(c->out_s, 14); /* size */ + /* cmd SCP_GW_AUTHENTICATION means authentication reply */ + out_uint16_be(c->out_s, SCP_GW_AUTHENTICATION); + out_uint16_be(c->out_s, value); /* reply code */ + out_uint16_be(c->out_s, 0); /* dummy data */ + s_mark_end(c->out_s); + + /* g_writeln("Total number of bytes that will be sent %d",c->out_s->end - c->out_s->data);*/ + if (0 != scp_tcp_force_send(c->in_sck, c->out_s->data, c->out_s->end - c->out_s->data)) + { + /* until syslog merge log_message(s_log, LOG_LEVEL_WARNING, "[v0:%d] connection aborted: network error", __LINE__); */ + return SCP_SERVER_STATE_NETWORK_ERR; + } + + /* until syslog merge LOG_DBG(s_log, "[v0:%d] connection terminated (scp_v0s_deny_authentication)", __LINE__);*/ + return SCP_SERVER_STATE_OK; } |