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262 lines
7.3 KiB
262 lines
7.3 KiB
/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2005
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session manager
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linux only
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*/
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#include "sesman.h"
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int g_sck;
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int g_pid;
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unsigned char g_fixedkey[8] = { 23, 82, 107, 6, 35, 78, 88, 7 };
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struct session_item g_session_items[100]; /* sesman.h */
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struct sesman_config g_cfg; /* config.h */
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/******************************************************************************/
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static void DEFAULT_CC
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cterm(int s)
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{
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int i;
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int pid;
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if (g_getpid() != g_pid)
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{
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return;
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}
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pid = g_waitchild();
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if (pid > 0)
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{
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for (i = 0; i < 100; i++)
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{
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if (g_session_items[i].pid == pid)
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{
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g_memset(g_session_items + i, 0, sizeof(struct session_item));
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}
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}
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}
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}
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/******************************************************************************/
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int DEFAULT_CC
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main(int argc, char** argv)
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{
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int sck;
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int in_sck;
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int code;
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int i;
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int size;
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int version;
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int width;
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int height;
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int bpp;
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int display;
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int error;
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struct stream* in_s;
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struct stream* out_s;
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char* username;
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char* password;
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char user[256];
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char pass[256];
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struct session_item* s_item;
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long data;
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if (0 != config_read(&g_cfg))
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{
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g_printf("sesman: error reading config. quitting.\n\r");
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return 1;
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}
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g_memset(&g_session_items, 0, sizeof(g_session_items));
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g_pid = g_getpid();
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g_signal(1, sig_sesman_reload_cfg); /* SIGHUP */
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g_signal(2, sig_sesman_shutdown); /* SIGINT */
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g_signal(9, sig_sesman_shutdown); /* SIGKILL */
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g_signal(15, sig_sesman_shutdown); /* SIGTERM */
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g_signal_child_stop(cterm); /* SIGCHLD */
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if (argc == 1)
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{
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g_printf("xrdp session manager v0.1\n");
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g_printf("usage\n");
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g_printf("sesman wait - wait for connection\n");
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g_printf("sesman server username password width height bpp - \
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start session\n");
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}
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else if (argc == 2 && g_strncmp(argv[1], "wait", 255) == 0)
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{
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make_stream(in_s);
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init_stream(in_s, 8192);
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make_stream(out_s);
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init_stream(out_s, 8192);
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g_printf("listening\n");
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g_sck = g_tcp_socket();
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g_tcp_set_non_blocking(g_sck);
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error = g_tcp_bind(g_sck, g_cfg.listen_port);
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if (error == 0)
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{
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error = g_tcp_listen(g_sck);
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if (error == 0)
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{
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in_sck = g_tcp_accept(g_sck);
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while (in_sck == -1 && g_tcp_last_error_would_block(g_sck))
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{
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g_sleep(1000);
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in_sck = g_tcp_accept(g_sck);
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}
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while (in_sck > 0)
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{
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init_stream(in_s, 8192);
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if (tcp_force_recv(in_sck, in_s->data, 8) == 0)
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{
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in_uint32_be(in_s, version);
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in_uint32_be(in_s, size);
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init_stream(in_s, 8192);
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if (tcp_force_recv(in_sck, in_s->data, size - 8) == 0)
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{
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if (version == 0)
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{
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in_uint16_be(in_s, code);
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if (code == 0) /* check username - password, start session */
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{
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in_uint16_be(in_s, i);
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in_uint8a(in_s, user, i);
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user[i] = 0;
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in_uint16_be(in_s, i);
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in_uint8a(in_s, pass, i);
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pass[i] = 0;
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in_uint16_be(in_s, width);
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in_uint16_be(in_s, height);
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in_uint16_be(in_s, bpp);
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data = auth_userpass(user, pass);
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display = 0;
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if (data)
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{
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s_item = session_find_item(user, width, height, bpp);
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if (s_item != 0)
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{
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display = s_item->display;
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auth_end(data);
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/* don't set data to null here */
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}
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else
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{
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display = session_start(width, height, bpp, user, pass,
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data);
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}
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if (display == 0)
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{
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auth_end(data);
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data = 0;
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}
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}
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init_stream(out_s, 8192);
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out_uint32_be(out_s, 0); /* version */
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out_uint32_be(out_s, 14); /* size */
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out_uint16_be(out_s, 3); /* cmd */
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out_uint16_be(out_s, data != 0); /* data */
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out_uint16_be(out_s, display); /* data */
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s_mark_end(out_s);
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tcp_force_send(in_sck, out_s->data,
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out_s->end - out_s->data);
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}
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}
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}
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}
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g_tcp_close(in_sck);
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in_sck = g_tcp_accept(g_sck);
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while (in_sck == -1 && g_tcp_last_error_would_block(g_sck))
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{
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g_sleep(1000);
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in_sck = g_tcp_accept(g_sck);
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}
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}
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}
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else
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{
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g_printf("listen error\n");
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}
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}
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else
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{
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g_printf("bind error\n");
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}
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g_tcp_close(g_sck);
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free_stream(in_s);
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free_stream(out_s);
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}
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else if (argc == 7)
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{
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username = argv[2];
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password = argv[3];
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width = g_atoi(argv[4]);
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height = g_atoi(argv[5]);
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bpp = g_atoi(argv[6]);
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make_stream(in_s);
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init_stream(in_s, 8192);
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make_stream(out_s);
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init_stream(out_s, 8192);
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sck = g_tcp_socket();
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if (g_tcp_connect(sck, argv[1], "3350") == 0)
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{
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s_push_layer(out_s, channel_hdr, 8);
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out_uint16_be(out_s, 0); /* code */
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i = g_strlen(username);
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out_uint16_be(out_s, i);
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out_uint8a(out_s, username, i);
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i = g_strlen(password);
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out_uint16_be(out_s, i);
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out_uint8a(out_s, password, i);
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out_uint16_be(out_s, width);
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out_uint16_be(out_s, height);
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out_uint16_be(out_s, bpp);
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s_mark_end(out_s);
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s_pop_layer(out_s, channel_hdr);
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out_uint32_be(out_s, 0); /* version */
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out_uint32_be(out_s, out_s->end - out_s->data); /* size */
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tcp_force_send(sck, out_s->data, out_s->end - out_s->data);
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if (tcp_force_recv(sck, in_s->data, 8) == 0)
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{
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in_uint32_be(in_s, version);
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in_uint32_be(in_s, size);
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init_stream(in_s, 8192);
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if (tcp_force_recv(sck, in_s->data, size - 8) == 0)
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{
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if (version == 0)
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{
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in_uint16_be(in_s, code);
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if (code == 3)
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{
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in_uint16_be(in_s, data);
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in_uint16_be(in_s, display);
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g_printf("ok %d display %d\n", data, display);
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}
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}
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}
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}
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}
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else
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{
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g_printf("connect error\n");
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}
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g_tcp_close(sck);
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free_stream(in_s);
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free_stream(out_s);
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}
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return 0;
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}
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