diff options
Diffstat (limited to 'sesman')
| -rw-r--r-- | sesman/auth.h | 34 | ||||
| -rw-r--r-- | sesman/env.c | 108 | ||||
| -rw-r--r-- | sesman/env.h | 38 | ||||
| -rw-r--r-- | sesman/session.c | 176 | ||||
| -rw-r--r-- | sesman/session.h | 49 | ||||
| -rw-r--r-- | sesman/tcp.c | 93 | ||||
| -rw-r--r-- | sesman/tcp.h | 66 |
7 files changed, 564 insertions, 0 deletions
diff --git a/sesman/auth.h b/sesman/auth.h new file mode 100644 index 00000000..a2c35765 --- /dev/null +++ b/sesman/auth.h @@ -0,0 +1,34 @@ +/* + 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 + + session manager - main header +*/ + +#ifndef AUTH_H +#define AUTH_H + +long DEFAULT_CC +auth_userpass(char* user, char* pass); +int DEFAULT_CC +auth_start_session(long in_val, int in_display); +int DEFAULT_CC +auth_end(long in_val); +int DEFAULT_CC +auth_set_env(long in_val); + +#endif diff --git a/sesman/env.c b/sesman/env.c new file mode 100644 index 00000000..9ea5d6bd --- /dev/null +++ b/sesman/env.c @@ -0,0 +1,108 @@ +/* + 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 + + session manager + linux only + + enc.c: user environment handling code + +*/ + +//#include "d3des.h" +//#include "arch.h" +//#include "parse.h" +//#include "os_calls.h" +#include "sesman.h" +//#include "config.h" +//#include "tcp.h" +//#include "sig.h" +//#include "session.h" +//#include "env.h" + +//int g_sck; +//extern int g_pid; +extern unsigned char g_fixedkey[8]; +//struct session_item g_session_items[100]; /* sesman.h */ +//struct sesman_config g_cfg; /* config.h */ + +/******************************************************************************/ +int DEFAULT_CC +env_check_password_file(char* filename, char* password) +{ + char encryptedPasswd[16]; + int fd; + + g_memset(encryptedPasswd, 0, 16); + g_strncpy(encryptedPasswd, password, 8); + rfbDesKey(g_fixedkey, 0); + rfbDes(encryptedPasswd, encryptedPasswd); + fd = g_file_open(filename); + if (fd == 0) + { + return 1; + } + g_file_write(fd, encryptedPasswd, 8); + g_file_close(fd); + g_set_file_rights(filename, 1, 1); /* set read and write flags */ + return 0; +} + +/******************************************************************************/ +int DEFAULT_CC +env_set_user(char* username, char* passwd_file, int display) +{ + int error; + int pw_uid; + int pw_gid; + int uid; + char pw_shell[256]; + char pw_dir[256]; + char pw_gecos[256]; + char text[256]; + + error = g_getuser_info(username, &pw_gid, &pw_uid, pw_shell, pw_dir, + pw_gecos); + if (error == 0) + { + error = g_setgid(pw_gid); + if (error == 0) + { + uid = pw_uid; + error = g_setuid(uid); + } + if (error == 0) + { + g_clearenv(); + g_setenv("SHELL", pw_shell, 1); + g_setenv("PATH", "/bin:/usr/bin:/usr/X11R6/bin:/usr/local/bin", 1); + g_setenv("USER", username, 1); + g_sprintf(text, "%d", uid); + g_setenv("UID", text, 1); + g_setenv("HOME", pw_dir, 1); + g_set_current_dir(pw_dir); + g_sprintf(text, ":%d.0", display); + g_setenv("DISPLAY", text, 1); + if (passwd_file != 0) + { + g_mkdir(".vnc"); + g_sprintf(passwd_file, "%s/.vnc/sesman_passwd", pw_dir); + } + } + } + return error; +} diff --git a/sesman/env.h b/sesman/env.h new file mode 100644 index 00000000..d53045c7 --- /dev/null +++ b/sesman/env.h @@ -0,0 +1,38 @@ +/* + 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 + + session manager + linux only + + env.h: user environment handling code declarations + +*/ + +#ifndef ENV_H +#define ENV_H + +/******************************************************************************/ +int DEFAULT_CC +env_check_password_file(char* filename, char* password); + +/******************************************************************************/ +int DEFAULT_CC +env_set_user(char* username, char* passwd_file, int display); + +#endif + diff --git a/sesman/session.c b/sesman/session.c new file mode 100644 index 00000000..572114db --- /dev/null +++ b/sesman/session.c @@ -0,0 +1,176 @@ +/* + 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 + + session manager + linux only + +*/ + +//#include "d3des.h" +//#include "arch.h" +//#include "os_calls.h" +#include "sesman.h" +//#include "config.h" +//#include "env.h" + +extern unsigned char g_fixedkey[8]; +extern struct session_item g_session_items[100]; /* sesman.h */ +extern struct sesman_config g_cfg; /* config.h */ + +/******************************************************************************/ +struct session_item* DEFAULT_CC +session_find_item(char* name, int width, int height, int bpp) +{ + int i; + + for (i = 0; i < 100; i++) + { + if (g_strncmp(name, g_session_items[i].name, 255) == 0 && + g_session_items[i].width == width && + g_session_items[i].height == height && + g_session_items[i].bpp == bpp) + { + return g_session_items + i; + } + } + return 0; +} + +/******************************************************************************/ +/* returns non zero if there is an xserver running on this display */ +static int DEFAULT_CC +x_server_running(int display) +{ + char text[256]; + + g_sprintf(text, "/tmp/.X11-unix/X%d", display); + return g_file_exist(text); +} + +/******************************************************************************/ +/* returns 0 if error else the display number the session was started on */ +int DEFAULT_CC +session_start(int width, int height, int bpp, char* username, char* password, + long data) +{ + int display; + int pid; + int wmpid; + int xpid; + char geometry[32]; + char depth[32]; + char screen[32]; + char cur_dir[256]; + char text[256]; + char passwd_file[256]; + + g_get_current_dir(cur_dir, 255); + display = 10; + while (x_server_running(display) && display < 50) + { + display++; + } + if (display >= 50) + { + return 0; + } + wmpid = 0; + pid = g_fork(); + if (pid == -1) + { + } + else if (pid == 0) /* child */ + { + g_unset_signals(); + auth_start_session(data, display); + g_sprintf(geometry, "%dx%d", width, height); + g_sprintf(depth, "%d", bpp); + g_sprintf(screen, ":%d", display); + wmpid = g_fork(); + if (wmpid == -1) + { + } + else if (wmpid == 0) /* child */ + { + /* give X a bit to start */ + g_sleep(1000); + env_set_user(username, 0, display); + if (x_server_running(display)) + { + auth_set_env(data); + /* try to execute user window manager if enabled */ + if (g_cfg.enable_user_wm) + { + g_sprintf(text,"%s/%s", g_getenv("HOME"), g_cfg.user_wm); + if (g_file_exist(text)) + { + g_execlp3(text, g_cfg.user_wm, 0); + } + } + /* if we're here something happened to g_execlp3 + so we try running the default window manager */ + g_sprintf(text, "%s/%s", cur_dir, g_cfg.default_wm); + g_execlp3(text, g_cfg.default_wm, 0); + /* still a problem starting window manager just start xterm */ + g_execlp3("xterm", "xterm", 0); + /* should not get here */ + } + g_printf("error starting window manager\n"); + g_exit(0); + } + else /* parent */ + { + xpid = g_fork(); + if (xpid == -1) + { + } + else if (xpid == 0) /* child */ + { + env_set_user(username, passwd_file, display); + env_check_password_file(passwd_file, password); + g_execlp11("Xvnc", "Xvnc", screen, "-geometry", geometry, + "-depth", depth, "-bs", "-rfbauth", passwd_file, 0); + /* should not get here */ + g_printf("error\n"); + g_exit(0); + } + else /* parent */ + { + g_waitpid(wmpid); + g_sigterm(xpid); + g_sigterm(wmpid); + g_sleep(1000); + auth_end(data); + g_exit(0); + } + } + } + else /* parent */ + { + g_session_items[display].pid = pid; + g_strcpy(g_session_items[display].name, username); + g_session_items[display].display = display; + g_session_items[display].width = width; + g_session_items[display].height = height; + g_session_items[display].bpp = bpp; + g_session_items[display].data = data; + g_sleep(5000); + } + return display; +} + diff --git a/sesman/session.h b/sesman/session.h new file mode 100644 index 00000000..c8615c05 --- /dev/null +++ b/sesman/session.h @@ -0,0 +1,49 @@ +/* + 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 + + session manager + linux only + +*/ + +#ifndef SESSION_H +#define SESSION_H + +struct session_item +{ + char name[256]; + int pid; /* pid of sesman waiting for wm to end */ + int display; + int width; + int height; + int bpp; + long data; +}; + +/******************************************************************************/ +struct session_item* DEFAULT_CC +session_find_item(char* name, int width, int height, int bpp); + +/******************************************************************************/ +/* returns 0 if error else the display number the session was started on */ +int DEFAULT_CC +session_start(int width, int height, int bpp, char* username, char* password, + long data); + +#endif + diff --git a/sesman/tcp.c b/sesman/tcp.c new file mode 100644 index 00000000..2bfa84c2 --- /dev/null +++ b/sesman/tcp.c @@ -0,0 +1,93 @@ +/* + 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 + + session manager + linux only + + tcp.c: tcp stream funcions + +*/ + +#include "sesman.h" + +/*****************************************************************************/ +int DEFAULT_CC +tcp_force_recv(int sck, char* data, int len) +{ + int rcvd; + + while (len > 0) + { + rcvd = g_tcp_recv(sck, data, len, 0); + if (rcvd == -1) + { + if (g_tcp_last_error_would_block(sck)) + { + g_sleep(1); + } + else + { + return 1; + } + } + else if (rcvd == 0) + { + return 1; + } + else + { + data += rcvd; + len -= rcvd; + } + } + return 0; +} + +/*****************************************************************************/ +int DEFAULT_CC +tcp_force_send(int sck, char* data, int len) +{ + int sent; + + while (len > 0) + { + sent = g_tcp_send(sck, data, len, 0); + if (sent == -1) + { + if (g_tcp_last_error_would_block(sck)) + { + g_sleep(1); + } + else + { + return 1; + } + } + else if (sent == 0) + { + return 1; + } + else + { + data += sent; + len -= sent; + } + } + return 0; +} + diff --git a/sesman/tcp.h b/sesman/tcp.h new file mode 100644 index 00000000..130c18a7 --- /dev/null +++ b/sesman/tcp.h @@ -0,0 +1,66 @@ +/* + 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 + + session manager + linux only + + tcp.h: tcp stream functions declarations + +*/ + +/** + * + * @file tcp stream functions + * + */ + +#ifndef TCP_H +#define TCP_H + +/** + * + * force receiving data from tcp stream + * + * @param sck the socket to read from + * @param data buffer + * @param len buffer size + * + * @return 0: ok, 1: error + * + */ + +int DEFAULT_CC +tcp_force_recv(int sck, char* data, int len); + +/** + * + * force sending data to tcp stream + * + * @param sck the socket to write to + * @param data buffer + * @param len buffer size + * + * @return 0: ok, 1: error + * + */ + +int DEFAULT_CC +tcp_force_send(int sck, char* data, int len); + +#endif + |