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1 | // This file is part of libptytty. Do not make local modifications. |
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2 | // http://software.schmorp.de/pkg/libptytty |
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3 | |
1 | /*--------------------------------*-C-*---------------------------------* |
4 | /*----------------------------------------------------------------------* |
2 | * File: logging.C |
5 | * File: logging.C |
3 | *----------------------------------------------------------------------* |
6 | *----------------------------------------------------------------------* |
4 | * |
7 | * |
5 | * All portions of code are copyright by their respective author/s. |
8 | * All portions of code are copyright by their respective author/s. |
6 | * Copyright (c) 1992 John Bovey <jdb@ukc.ac.uk> |
9 | * Copyright (c) 1992 John Bovey <jdb@ukc.ac.uk> |
… | |
… | |
12 | * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es> |
15 | * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es> |
13 | * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
16 | * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
14 | * - extensive modifications |
17 | * - extensive modifications |
15 | * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com> |
18 | * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com> |
16 | * - lastlog support |
19 | * - lastlog support |
17 | * Copyright (c) 2004 Marc Lehmann <pcg@goof.com> |
20 | * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com> |
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21 | * Copyright (c) 2006 Emanuele Giaquinta <e.giaquinta@glauco.it> |
18 | * |
22 | * |
19 | * This program is free software; you can redistribute it and/or modify |
23 | * This program is free software; you can redistribute it and/or modify |
20 | * it under the terms of the GNU General Public License as published by |
24 | * it under the terms of the GNU General Public License as published by |
21 | * the Free Software Foundation; either version 2 of the License, or |
25 | * the Free Software Foundation; either version 2 of the License, or |
22 | * (at your option) any later version. |
26 | * (at your option) any later version. |
… | |
… | |
28 | * |
32 | * |
29 | * You should have received a copy of the GNU General Public License |
33 | * You should have received a copy of the GNU General Public License |
30 | * along with this program; if not, write to the Free Software |
34 | * along with this program; if not, write to the Free Software |
31 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
35 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
32 | *----------------------------------------------------------------------*/ |
36 | *----------------------------------------------------------------------*/ |
33 | /*----------------------------------------------------------------------* |
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34 | * Public: |
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35 | * extern void cleanutent (void); |
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36 | * extern void makeutent (const char * pty, const char * hostname); |
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37 | * |
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38 | * Private: |
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39 | * rxvt_update_wtmp (); |
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40 | *----------------------------------------------------------------------*/ |
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41 | |
37 | |
42 | #include "../config.h" |
38 | #include "../config.h" |
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39 | |
43 | #include "rxvt.h" |
40 | #include "ptytty.h" |
44 | #include "logging.h" |
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45 | |
41 | |
46 | #ifdef UTMP_SUPPORT |
42 | #if UTMP_SUPPORT |
47 | |
43 | |
48 | #if HAVE_STRUCT_UTMP |
44 | #include <cstdio> |
49 | static int rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu); |
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50 | static void rxvt_update_wtmp (const char *fname, const struct utmp *putmp); |
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51 | #endif |
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52 | |
45 | |
53 | static void rxvt_update_lastlog (const char *fname, const char *pty, const char *host); |
46 | #include <sys/types.h> |
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47 | #include <sys/stat.h> |
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48 | #include <sys/fcntl.h> |
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49 | #include <unistd.h> |
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50 | #include <time.h> |
54 | |
51 | |
55 | /* |
52 | /* |
56 | * BSD style utmp entry |
53 | * BSD style utmp entry |
57 | * ut_line, ut_name, ut_host, ut_time |
54 | * ut_line, ut_name, ut_host, ut_time |
58 | * SYSV style utmp (and utmpx) entry |
55 | * SYSV style utmp (and utmpx) entry |
59 | * ut_user, ut_id, ut_line, ut_pid, ut_type, ut_exit, ut_time |
56 | * ut_user, ut_id, ut_line, ut_pid, ut_type, ut_exit, ut_time |
60 | */ |
57 | */ |
61 | |
58 | |
62 | /* ------------------------------------------------------------------------- */ |
59 | /* ------------------------------------------------------------------------- */ |
63 | |
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64 | /* |
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65 | * make and write utmp and wtmp entries |
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66 | */ |
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67 | void |
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68 | rxvt_term::makeutent (const char *pty, const char *hostname) |
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69 | { |
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70 | #ifdef HAVE_STRUCT_UTMP |
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71 | struct utmp *ut = &this->ut; |
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72 | #endif |
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73 | #ifdef HAVE_STRUCT_UTMPX |
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74 | struct utmpx *utx = &this->utx; |
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75 | #endif |
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76 | int i; |
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77 | struct passwd *pwent = getpwuid (getuid ()); |
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78 | |
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79 | if (!strncmp (pty, "/dev/", 5)) |
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80 | pty += 5; /* skip /dev/ prefix */ |
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81 | |
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82 | #if defined(HAVE_UTMP_PID) || defined(HAVE_STRUCT_UTMPX) |
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83 | if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3)) |
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84 | strncpy (ut_id, pty + 3, sizeof (ut_id)); |
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85 | else if (sscanf (pty, "pts/%d", &i) == 1) |
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86 | sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */ |
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87 | else if (strncmp (pty, "pty", 3) && strncmp (pty, "tty", 3)) |
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88 | { |
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89 | rxvt_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty); |
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90 | return; |
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91 | } |
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92 | #endif |
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93 | |
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94 | #ifdef HAVE_STRUCT_UTMP |
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95 | memset (ut, 0, sizeof (struct utmp)); |
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96 | # ifdef HAVE_UTMP_PID |
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97 | setutent (); |
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98 | strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id)); |
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99 | ut->ut_type = DEAD_PROCESS; |
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100 | getutid (ut); /* position to entry in utmp file */ |
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101 | strncpy (this->ut_id, ut_id, sizeof (this->ut_id)); |
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102 | # endif |
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103 | #endif |
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104 | |
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105 | #ifdef HAVE_STRUCT_UTMPX |
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106 | memset (utx, 0, sizeof (struct utmpx)); |
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107 | setutxent (); |
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108 | strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id)); |
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109 | utx->ut_type = DEAD_PROCESS; |
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110 | getutxid (utx); /* position to entry in utmp file */ |
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111 | strncpy (this->ut_id, ut_id, sizeof (this->ut_id)); |
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112 | #endif |
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113 | |
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114 | #ifdef HAVE_STRUCT_UTMP |
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115 | strncpy (ut->ut_line, pty, sizeof (ut->ut_line)); |
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116 | ut->ut_time = time (NULL); |
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117 | # ifdef HAVE_UTMP_PID |
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118 | strncpy (ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", |
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119 | sizeof (ut->ut_user)); |
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120 | strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id)); |
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121 | ut->ut_time = time (NULL); |
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122 | ut->ut_pid = cmd_pid; |
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123 | # ifdef HAVE_UTMP_HOST |
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124 | strncpy (ut->ut_host, hostname, sizeof (ut->ut_host)); |
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125 | # endif |
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126 | ut->ut_type = USER_PROCESS; |
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127 | pututline (ut); |
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128 | endutent (); /* close the file */ |
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129 | utmp_pos = 0; |
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130 | # else |
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131 | strncpy (ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?", |
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132 | sizeof (ut->ut_name)); |
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133 | # ifdef HAVE_UTMP_HOST |
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134 | strncpy (ut->ut_host, hostname, sizeof (ut->ut_host)); |
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135 | # endif |
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136 | # endif |
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137 | #endif |
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138 | |
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139 | #ifdef HAVE_STRUCT_UTMPX |
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140 | strncpy (utx->ut_line, pty, sizeof (utx->ut_line)); |
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141 | strncpy (utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", |
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142 | sizeof (utx->ut_user)); |
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143 | strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id)); |
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144 | # if HAVE_UTMPX_SESSION |
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145 | utx->ut_session = getsid (0); |
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146 | # endif |
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147 | utx->ut_tv.tv_sec = time (NULL); |
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148 | utx->ut_tv.tv_usec = 0; |
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149 | utx->ut_pid = cmd_pid; |
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150 | # ifdef HAVE_UTMPX_HOST |
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151 | strncpy (utx->ut_host, hostname, sizeof (utx->ut_host)); |
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152 | # if 0 |
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153 | { |
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154 | char *colon; |
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155 | |
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156 | if ((colon = strrchr (ut->ut_host, ':')) != NULL) |
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157 | *colon = '\0'; |
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158 | } |
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159 | # endif |
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160 | # endif |
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161 | utx->ut_type = USER_PROCESS; |
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162 | pututxline (utx); |
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163 | endutxent (); /* close the file */ |
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164 | utmp_pos = 0; |
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165 | #endif |
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166 | |
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167 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
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168 | |
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169 | { |
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170 | # ifdef HAVE_TTYSLOT |
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171 | i = ttyslot (); |
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172 | if (rxvt_write_bsd_utmp (i, ut)) |
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173 | utmp_pos = i; |
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174 | # else |
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175 | FILE *fd0; |
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176 | |
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177 | if ((fd0 = fopen (TTYTAB_FILENAME, "r")) != NULL) |
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178 | { |
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179 | char buf[256], name[256]; |
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180 | |
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181 | buf[sizeof (buf) - 1] = '\0'; |
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182 | for (i = 1; (fgets (buf, sizeof (buf) - 1, fd0) != NULL);) |
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183 | { |
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184 | if (*buf == '#' || sscanf (buf, "%s", name) != 1) |
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185 | continue; |
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186 | if (!strcmp (ut->ut_line, name)) |
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187 | { |
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188 | if (!rxvt_write_bsd_utmp (i, ut)) |
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189 | i = 0; |
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190 | utmp_pos = i; |
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191 | fclose (fd0); |
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192 | break; |
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193 | } |
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194 | i++; |
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195 | } |
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196 | fclose (fd0); |
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197 | } |
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198 | # endif |
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199 | |
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200 | } |
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201 | #endif |
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202 | |
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203 | #ifdef WTMP_SUPPORT |
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204 | # ifdef WTMP_ONLY_ON_LOGIN |
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205 | if (OPTION (Opt_loginShell)) |
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206 | # endif |
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207 | { |
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208 | # ifdef HAVE_STRUCT_UTMP |
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209 | # ifdef HAVE_UPDWTMP |
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210 | updwtmp (RXVT_WTMP_FILE, ut); |
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211 | # else |
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212 | rxvt_update_wtmp (RXVT_WTMP_FILE, ut); |
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213 | # endif |
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214 | # endif |
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215 | # ifdef HAVE_STRUCT_UTMPX |
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216 | # if HAVE_UPDWTMPX |
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217 | updwtmpx (RXVT_WTMPX_FILE, utx); |
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218 | # else |
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219 | pututxline (utx); |
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220 | # endif |
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221 | # endif |
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222 | } |
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223 | #endif |
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224 | #if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) |
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225 | if (OPTION (Opt_loginShell)) |
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226 | rxvt_update_lastlog (RXVT_LASTLOG_FILE, pty, hostname); |
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227 | #endif |
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228 | } |
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229 | |
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230 | /* ------------------------------------------------------------------------- */ |
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231 | /* |
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232 | * remove utmp and wtmp entries |
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233 | */ |
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234 | void |
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235 | rxvt_term::cleanutent () |
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236 | { |
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237 | #ifdef HAVE_STRUCT_UTMP |
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238 | struct utmp *ut = &this->ut; |
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239 | #endif |
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240 | #ifdef HAVE_STRUCT_UTMPX |
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241 | struct utmpx *tmputx, *utx = &this->utx; |
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242 | #endif |
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243 | |
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244 | #ifdef HAVE_STRUCT_UTMP |
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245 | # ifdef HAVE_UTMP_PID |
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246 | memset (ut, 0, sizeof (struct utmp)); |
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247 | setutent (); |
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248 | strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id)); |
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249 | ut->ut_type = USER_PROCESS; |
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250 | { |
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251 | struct utmp *tmput = getutid (ut); |
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252 | |
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253 | if (tmput) /* position to entry in utmp file */ |
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254 | ut = tmput; |
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255 | } |
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256 | ut->ut_type = DEAD_PROCESS; |
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257 | # else |
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258 | memset (ut->ut_name, 0, sizeof (ut->ut_name)); |
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259 | # ifdef HAVE_UTMP_HOST |
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260 | memset (ut->ut_host, 0, sizeof (ut->ut_host)); |
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261 | # endif |
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262 | # endif |
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263 | ut->ut_time = time (NULL); |
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264 | #endif |
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265 | |
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266 | #ifdef HAVE_STRUCT_UTMPX |
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267 | memset (utx, 0, sizeof (struct utmpx)); |
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268 | setutxent (); |
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269 | strncpy (utx->ut_id, this->ut_id, sizeof (utx->ut_id)); |
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270 | utx->ut_type = USER_PROCESS; |
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271 | if ((tmputx = getutxid (utx))) /* position to entry in utmp file */ |
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272 | utx = tmputx; |
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273 | utx->ut_type = DEAD_PROCESS; |
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274 | # if HAVE_UTMPX_SESSION |
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275 | utx->ut_session = getsid (0); |
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276 | # endif |
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277 | utx->ut_tv.tv_sec = time (NULL); |
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278 | utx->ut_tv.tv_usec = 0; |
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279 | #endif |
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280 | |
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281 | /* |
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282 | * Write ending wtmp entry |
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283 | */ |
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284 | #ifdef WTMP_SUPPORT |
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285 | # ifdef WTMP_ONLY_ON_LOGIN |
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286 | if (OPTION (Opt_loginShell)) |
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287 | # endif |
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288 | { |
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289 | # ifdef HAVE_STRUCT_UTMP |
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290 | # ifdef HAVE_UPDWTMP |
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291 | updwtmp (RXVT_WTMP_FILE, ut); |
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292 | # else |
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293 | rxvt_update_wtmp (RXVT_WTMP_FILE, ut); |
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294 | # endif |
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295 | # endif |
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296 | # ifdef HAVE_STRUCT_UTMPX |
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297 | # if HAVE_UPDWTMPX |
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298 | updwtmpx (RXVT_WTMPX_FILE, utx); |
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299 | # else |
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300 | pututxline (utx); |
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301 | # endif |
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302 | # endif |
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303 | } |
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304 | #endif |
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305 | |
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306 | /* |
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307 | * Write utmp entry |
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308 | */ |
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309 | #ifdef HAVE_STRUCT_UTMP |
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310 | # ifdef HAVE_UTMP_PID |
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311 | if (ut->ut_pid == cmd_pid) |
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312 | pututline (ut); |
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313 | endutent (); |
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314 | # else |
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315 | memset (ut, 0, sizeof (struct utmp)); |
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316 | rxvt_write_bsd_utmp (utmp_pos, ut); |
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317 | # endif |
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318 | #endif |
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319 | #ifdef HAVE_STRUCT_UTMPX |
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320 | if (utx->ut_pid == cmd_pid) |
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321 | pututxline (utx); |
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322 | endutxent (); |
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323 | #endif |
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324 | } |
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325 | |
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326 | /* ------------------------------------------------------------------------- */ |
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327 | /* |
60 | /* |
328 | * Write a BSD style utmp entry |
61 | * Write a BSD style utmp entry |
329 | */ |
62 | */ |
330 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
63 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
331 | static int |
64 | static int |
332 | rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu) |
65 | write_bsd_utmp (int utmp_pos, struct utmp *wu) |
333 | { |
66 | { |
334 | int fd; |
67 | int fd; |
335 | |
68 | |
336 | if (utmp_pos <= 0 || (fd = open (RXVT_UTMP_FILE, O_WRONLY)) == -1) |
69 | if (utmp_pos <= 0 || (fd = open (UTMP_FILE, O_WRONLY)) == -1) |
337 | return 0; |
70 | return 0; |
338 | |
71 | |
339 | if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1) |
72 | if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1) |
340 | write (fd, wu, sizeof (struct utmp)); |
73 | write (fd, wu, sizeof (struct utmp)); |
341 | close (fd); |
74 | close (fd); |
… | |
… | |
347 | /* |
80 | /* |
348 | * Update a BSD style wtmp entry |
81 | * Update a BSD style wtmp entry |
349 | */ |
82 | */ |
350 | #if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP) |
83 | #if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP) |
351 | static void |
84 | static void |
352 | rxvt_update_wtmp (const char *fname, const struct utmp *putmp) |
85 | update_wtmp (const char *fname, const struct utmp *putmp) |
353 | { |
86 | { |
354 | int fd, gotlock, retry; |
87 | int fd, gotlock, retry; |
355 | struct flock lck; /* fcntl locking scheme */ |
88 | struct flock lck; /* fcntl locking scheme */ |
356 | struct stat sbuf; |
89 | struct stat sbuf; |
357 | |
90 | |
… | |
… | |
371 | break; |
104 | break; |
372 | } |
105 | } |
373 | else if (errno != EAGAIN && errno != EACCES) |
106 | else if (errno != EAGAIN && errno != EACCES) |
374 | break; |
107 | break; |
375 | if (!gotlock) |
108 | if (!gotlock) |
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109 | { |
376 | { /* give it up */ |
110 | /* give it up */ |
377 | close (fd); |
111 | close (fd); |
378 | return; |
112 | return; |
379 | } |
113 | } |
380 | if (fstat (fd, &sbuf) == 0) |
114 | if (fstat (fd, &sbuf) == 0) |
381 | if (write (fd, putmp, sizeof (struct utmp)) != sizeof (struct utmp)) |
115 | if (write (fd, putmp, sizeof (struct utmp)) != sizeof (struct utmp)) |
… | |
… | |
388 | #endif |
122 | #endif |
389 | |
123 | |
390 | /* ------------------------------------------------------------------------- */ |
124 | /* ------------------------------------------------------------------------- */ |
391 | #ifdef LASTLOG_SUPPORT |
125 | #ifdef LASTLOG_SUPPORT |
392 | static void |
126 | static void |
393 | rxvt_update_lastlog (const char *fname, const char *pty, const char *host) |
127 | update_lastlog (const char *fname, const char *pty, const char *host) |
394 | { |
128 | { |
395 | # ifdef HAVE_STRUCT_LASTLOGX |
129 | # if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX) |
396 | struct lastlogx llx; |
130 | struct lastlogx llx; |
397 | # endif |
131 | # endif |
398 | # ifdef HAVE_STRUCT_LASTLOG |
132 | # ifdef HAVE_STRUCT_LASTLOG |
399 | int fd; |
133 | int fd; |
400 | struct lastlog ll; |
134 | struct lastlog ll; |
401 | # ifdef LASTLOG_IS_DIR |
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402 | char lastlogfile[256]; |
135 | char lastlogfile[256]; |
403 | # endif |
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404 | struct passwd *pwent; |
136 | struct passwd *pwent; |
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137 | struct stat st; |
405 | # endif |
138 | # endif |
406 | |
139 | |
407 | # ifdef HAVE_STRUCT_LASTLOGX |
140 | # if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX) |
408 | memset (&llx, 0, sizeof (llx)); |
141 | memset (&llx, 0, sizeof (llx)); |
409 | llx.ll_tv.tv_sec = time (NULL); |
142 | llx.ll_tv.tv_sec = time (NULL); |
410 | llx.ll_tv.tv_usec = 0; |
143 | llx.ll_tv.tv_usec = 0; |
411 | strncpy (llx.ll_line, pty, sizeof (llx.ll_line)); |
144 | strncpy (llx.ll_line, pty, sizeof (llx.ll_line)); |
412 | strncpy (llx.ll_host, host, sizeof (llx.ll_host)); |
145 | strncpy (llx.ll_host, host, sizeof (llx.ll_host)); |
413 | updlastlogx (RXVT_LASTLOGX_FILE, getuid (), &llx); |
146 | updlastlogx (LASTLOGX_FILE, getuid (), &llx); |
414 | # endif |
147 | # endif |
415 | |
148 | |
416 | # ifdef HAVE_STRUCT_LASTLOG |
149 | # ifdef HAVE_STRUCT_LASTLOG |
417 | pwent = getpwuid (getuid ()); |
150 | pwent = getpwuid (getuid ()); |
418 | if (!pwent) |
151 | if (!pwent) |
419 | { |
152 | { |
420 | rxvt_warn ("no entry in password file, not updating lastlog.\n"); |
153 | ptytty_warn ("no entry in password file, not updating lastlog.\n", 0); |
421 | return; |
154 | return; |
422 | } |
155 | } |
423 | |
156 | |
424 | memset (&ll, 0, sizeof (ll)); |
157 | memset (&ll, 0, sizeof (ll)); |
425 | ll.ll_time = time (NULL); |
158 | ll.ll_time = time (NULL); |
426 | strncpy (ll.ll_line, pty, sizeof (ll.ll_line)); |
159 | strncpy (ll.ll_line, pty, sizeof (ll.ll_line)); |
427 | strncpy (ll.ll_host, host, sizeof (ll.ll_host)); |
160 | strncpy (ll.ll_host, host, sizeof (ll.ll_host)); |
428 | # ifdef LASTLOG_IS_DIR |
161 | if (stat (fname, &st) != 0) |
|
|
162 | return; |
|
|
163 | if (S_ISDIR (st.st_mode)) |
|
|
164 | { |
429 | sprintf (lastlogfile, "%.*s/%.*s", |
165 | sprintf (lastlogfile, "%.*s/%.*s", |
430 | sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2, fname, |
166 | (int)(sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2), fname, |
431 | sizeof (pwent->pw_name), |
167 | (int)sizeof (pwent->pw_name), |
432 | (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown" |
168 | (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown" |
433 | : pwent->pw_name); |
169 | : pwent->pw_name); |
434 | if ((fd = open (lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0) |
170 | if ((fd = open (lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0) |
435 | { |
171 | { |
436 | write (fd, &ll, sizeof (ll)); |
172 | write (fd, &ll, sizeof (ll)); |
|
|
173 | close (fd); |
|
|
174 | } |
|
|
175 | } |
|
|
176 | else if (S_ISREG (st.st_mode)) |
|
|
177 | if ((fd = open (fname, O_RDWR)) != -1) |
|
|
178 | { |
|
|
179 | if (lseek (fd, (off_t) ((long)pwent->pw_uid * sizeof (ll)), |
|
|
180 | SEEK_SET) != -1) |
|
|
181 | write (fd, &ll, sizeof (ll)); |
437 | close (fd); |
182 | close (fd); |
438 | } |
183 | } |
|
|
184 | # endif /* HAVE_STRUCT_LASTLOG */ |
|
|
185 | } |
|
|
186 | #endif /* LASTLOG_SUPPORT */ |
|
|
187 | |
|
|
188 | /* ------------------------------------------------------------------------- */ |
|
|
189 | |
|
|
190 | /* |
|
|
191 | * make and write utmp and wtmp entries |
|
|
192 | */ |
|
|
193 | void |
|
|
194 | ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname) |
|
|
195 | { |
|
|
196 | const char *pty = name; |
|
|
197 | |
|
|
198 | if (!pty || !*pty) |
|
|
199 | return; |
|
|
200 | |
|
|
201 | this->cmd_pid = cmd_pid; |
|
|
202 | this->login_shell = login_shell; |
|
|
203 | |
|
|
204 | #ifdef HAVE_STRUCT_UTMP |
|
|
205 | struct utmp *ut = &this->ut; |
|
|
206 | #endif |
|
|
207 | #ifdef HAVE_STRUCT_UTMPX |
|
|
208 | struct utmpx *utx = &this->utx; |
|
|
209 | #endif |
|
|
210 | int i; |
|
|
211 | struct passwd *pwent = getpwuid (getuid ()); |
|
|
212 | const char *name = (pwent && pwent->pw_name) ? pwent->pw_name : "?"; |
|
|
213 | |
|
|
214 | if (!strncmp (pty, "/dev/", 5)) |
|
|
215 | pty += 5; /* skip /dev/ prefix */ |
|
|
216 | |
|
|
217 | #if defined(HAVE_UTMP_PID) || defined(HAVE_STRUCT_UTMPX) |
|
|
218 | if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3)) |
|
|
219 | strncpy (ut_id, pty + 3, sizeof (ut_id)); |
|
|
220 | else if (sscanf (pty, "pts/%d", &i) == 1) |
|
|
221 | sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */ |
|
|
222 | else |
|
|
223 | { |
|
|
224 | ptytty_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty); |
|
|
225 | return; |
|
|
226 | } |
|
|
227 | #endif |
|
|
228 | |
|
|
229 | #ifdef HAVE_STRUCT_UTMP |
|
|
230 | memset (ut, 0, sizeof (struct utmp)); |
|
|
231 | # ifdef HAVE_UTMP_PID |
|
|
232 | setutent (); |
|
|
233 | strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id)); |
|
|
234 | ut->ut_type = DEAD_PROCESS; |
|
|
235 | getutid (ut); /* position to entry in utmp file */ |
|
|
236 | # endif |
|
|
237 | #endif |
|
|
238 | |
|
|
239 | #ifdef HAVE_STRUCT_UTMPX |
|
|
240 | memset (utx, 0, sizeof (struct utmpx)); |
|
|
241 | setutxent (); |
|
|
242 | strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id)); |
|
|
243 | utx->ut_type = DEAD_PROCESS; |
|
|
244 | getutxid (utx); /* position to entry in utmp file */ |
|
|
245 | #endif |
|
|
246 | |
|
|
247 | #ifdef HAVE_STRUCT_UTMP |
|
|
248 | strncpy (ut->ut_line, pty, sizeof (ut->ut_line)); |
|
|
249 | # ifdef HAVE_UTMP_HOST |
|
|
250 | strncpy (ut->ut_host, hostname, sizeof (ut->ut_host)); |
|
|
251 | # endif |
|
|
252 | ut->ut_time = time (NULL); |
|
|
253 | # ifdef HAVE_UTMP_PID |
|
|
254 | strncpy (ut->ut_user, name, sizeof (ut->ut_user)); |
|
|
255 | strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id)); |
|
|
256 | ut->ut_pid = cmd_pid; |
|
|
257 | ut->ut_type = USER_PROCESS; |
|
|
258 | pututline (ut); |
|
|
259 | endutent (); /* close the file */ |
|
|
260 | utmp_pos = 0; |
|
|
261 | # else |
|
|
262 | strncpy (ut->ut_name, name, sizeof (ut->ut_name)); |
|
|
263 | # endif |
|
|
264 | #endif |
|
|
265 | |
|
|
266 | #ifdef HAVE_STRUCT_UTMPX |
|
|
267 | strncpy (utx->ut_line, pty, sizeof (utx->ut_line)); |
|
|
268 | strncpy (utx->ut_user, name, sizeof (utx->ut_user)); |
|
|
269 | strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id)); |
|
|
270 | # if HAVE_UTMPX_SESSION |
|
|
271 | utx->ut_session = getsid (0); |
|
|
272 | # endif |
|
|
273 | utx->ut_tv.tv_sec = time (NULL); |
|
|
274 | utx->ut_tv.tv_usec = 0; |
|
|
275 | utx->ut_pid = cmd_pid; |
|
|
276 | # ifdef HAVE_UTMPX_HOST |
|
|
277 | strncpy (utx->ut_host, hostname, sizeof (utx->ut_host)); |
|
|
278 | # if 0 |
|
|
279 | { |
|
|
280 | char *colon; |
|
|
281 | |
|
|
282 | if ((colon = strrchr (ut->ut_host, ':')) != NULL) |
|
|
283 | *colon = '\0'; |
|
|
284 | } |
|
|
285 | # endif |
|
|
286 | # endif |
|
|
287 | utx->ut_type = USER_PROCESS; |
|
|
288 | pututxline (utx); |
|
|
289 | endutxent (); /* close the file */ |
|
|
290 | utmp_pos = 0; |
|
|
291 | #endif |
|
|
292 | |
|
|
293 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
|
|
294 | { |
|
|
295 | # if 1 |
|
|
296 | int fdstdin = dup (STDIN_FILENO); |
|
|
297 | dup2 (tty, STDIN_FILENO); |
|
|
298 | |
|
|
299 | i = ttyslot (); |
|
|
300 | if (write_bsd_utmp (i, ut)) |
|
|
301 | utmp_pos = i; |
|
|
302 | |
|
|
303 | dup2 (fdstdin, STDIN_FILENO); |
|
|
304 | close (fdstdin); |
|
|
305 | # endif |
|
|
306 | } |
|
|
307 | #endif |
|
|
308 | |
|
|
309 | #ifdef WTMP_SUPPORT |
|
|
310 | #ifdef LOG_ONLY_ON_LOGIN |
|
|
311 | if (login_shell) |
|
|
312 | #endif |
|
|
313 | { |
|
|
314 | # ifdef HAVE_STRUCT_UTMP |
|
|
315 | # ifdef HAVE_UPDWTMP |
|
|
316 | updwtmp (WTMP_FILE, ut); |
439 | # else |
317 | # else |
440 | if ((fd = open (fname, O_RDWR)) != -1) |
318 | update_wtmp (WTMP_FILE, ut); |
|
|
319 | # endif |
|
|
320 | # endif |
|
|
321 | # if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX) |
|
|
322 | updwtmpx (WTMPX_FILE, utx); |
|
|
323 | # endif |
441 | { |
324 | } |
442 | if (lseek (fd, (off_t) ((long)pwent->pw_uid * sizeof (ll)), |
325 | #endif |
443 | SEEK_SET) != -1) |
326 | #if defined(LASTLOG_SUPPORT) && defined(LASTLOG_FILE) |
444 | write (fd, &ll, sizeof (ll)); |
327 | #ifdef LOG_ONLY_ON_LOGIN |
445 | close (fd); |
328 | if (login_shell) |
446 | } |
329 | #endif |
447 | # endif /* LASTLOG_IS_DIR */ |
330 | update_lastlog (LASTLOG_FILE, pty, hostname); |
448 | # endif /* HAVE_STRUCT_LASTLOG */ |
331 | #endif |
449 | } |
332 | } |
450 | #endif /* LASTLOG_SUPPORT */ |
333 | |
451 | /* ------------------------------------------------------------------------- */ |
334 | /* ------------------------------------------------------------------------- */ |
|
|
335 | /* |
|
|
336 | * remove utmp and wtmp entries |
|
|
337 | */ |
|
|
338 | void |
|
|
339 | ptytty_unix::logout () |
|
|
340 | { |
|
|
341 | if (!cmd_pid) |
|
|
342 | return; |
452 | |
343 | |
453 | #endif /* UTMP_SUPPORT */ |
344 | #ifdef HAVE_STRUCT_UTMP |
|
|
345 | struct utmp *tmput, *ut = &this->ut; |
|
|
346 | #endif |
|
|
347 | #ifdef HAVE_STRUCT_UTMPX |
|
|
348 | struct utmpx *tmputx, *utx = &this->utx; |
|
|
349 | #endif |
|
|
350 | |
|
|
351 | #ifdef HAVE_STRUCT_UTMP |
|
|
352 | # ifdef HAVE_UTMP_PID |
|
|
353 | memset (ut, 0, sizeof (struct utmp)); |
|
|
354 | setutent (); |
|
|
355 | strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id)); |
|
|
356 | ut->ut_type = USER_PROCESS; |
|
|
357 | if ((tmput = getutid (ut))) /* position to entry in utmp file */ |
|
|
358 | ut = tmput; |
|
|
359 | ut->ut_type = DEAD_PROCESS; |
|
|
360 | # else |
|
|
361 | memset (ut->ut_name, 0, sizeof (ut->ut_name)); |
|
|
362 | # ifdef HAVE_UTMP_HOST |
|
|
363 | memset (ut->ut_host, 0, sizeof (ut->ut_host)); |
|
|
364 | # endif |
|
|
365 | # endif |
|
|
366 | ut->ut_time = time (NULL); |
|
|
367 | #endif |
|
|
368 | |
|
|
369 | #ifdef HAVE_STRUCT_UTMPX |
|
|
370 | memset (utx, 0, sizeof (struct utmpx)); |
|
|
371 | setutxent (); |
|
|
372 | strncpy (utx->ut_id, this->ut_id, sizeof (utx->ut_id)); |
|
|
373 | utx->ut_type = USER_PROCESS; |
|
|
374 | if ((tmputx = getutxid (utx))) /* position to entry in utmp file */ |
|
|
375 | utx = tmputx; |
|
|
376 | utx->ut_type = DEAD_PROCESS; |
|
|
377 | # if HAVE_UTMPX_SESSION |
|
|
378 | utx->ut_session = getsid (0); |
|
|
379 | # endif |
|
|
380 | utx->ut_tv.tv_sec = time (NULL); |
|
|
381 | utx->ut_tv.tv_usec = 0; |
|
|
382 | #endif |
|
|
383 | |
|
|
384 | /* |
|
|
385 | * Write ending wtmp entry |
|
|
386 | */ |
|
|
387 | #ifdef WTMP_SUPPORT |
|
|
388 | #ifdef LOG_ONLY_ON_LOGIN |
|
|
389 | if (login_shell) |
|
|
390 | #endif |
|
|
391 | { |
|
|
392 | # ifdef HAVE_STRUCT_UTMP |
|
|
393 | # ifdef HAVE_UPDWTMP |
|
|
394 | updwtmp (WTMP_FILE, ut); |
|
|
395 | # else |
|
|
396 | update_wtmp (WTMP_FILE, ut); |
|
|
397 | # endif |
|
|
398 | # endif |
|
|
399 | # if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX) |
|
|
400 | updwtmpx (WTMPX_FILE, utx); |
|
|
401 | # endif |
|
|
402 | } |
|
|
403 | #endif |
|
|
404 | |
|
|
405 | /* |
|
|
406 | * Write utmp entry |
|
|
407 | */ |
|
|
408 | #ifdef HAVE_STRUCT_UTMP |
|
|
409 | # ifdef HAVE_UTMP_PID |
|
|
410 | if (ut->ut_pid == cmd_pid) |
|
|
411 | pututline (ut); |
|
|
412 | endutent (); |
|
|
413 | # else |
|
|
414 | memset (ut, 0, sizeof (struct utmp)); |
|
|
415 | write_bsd_utmp (utmp_pos, ut); |
|
|
416 | # endif |
|
|
417 | #endif |
|
|
418 | #ifdef HAVE_STRUCT_UTMPX |
|
|
419 | if (utx->ut_pid == cmd_pid) |
|
|
420 | pututxline (utx); |
|
|
421 | endutxent (); |
|
|
422 | #endif |
|
|
423 | |
|
|
424 | cmd_pid = 0; |
|
|
425 | } |
|
|
426 | |
|
|
427 | #else |
|
|
428 | void |
|
|
429 | ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname) |
|
|
430 | { |
|
|
431 | } |
|
|
432 | #endif |
|
|
433 | |