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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> |
7 | * - original version |
10 | * - original version |
… | |
… | |
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 |
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20 | * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com> |
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21 | * Copyright (c) 2006 Emanuele Giaquinta <e.giaquinta@glauco.it> |
17 | * |
22 | * |
18 | * 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 |
19 | * 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 |
20 | * the Free Software Foundation; either version 2 of the License, or |
25 | * the Free Software Foundation; either version 2 of the License, or |
21 | * (at your option) any later version. |
26 | * (at your option) any later version. |
… | |
… | |
27 | * |
32 | * |
28 | * 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 |
29 | * along with this program; if not, write to the Free Software |
34 | * along with this program; if not, write to the Free Software |
30 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
35 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
31 | *----------------------------------------------------------------------*/ |
36 | *----------------------------------------------------------------------*/ |
32 | /*----------------------------------------------------------------------* |
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33 | * Public: |
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34 | * extern void cleanutent (void); |
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35 | * extern void makeutent (const char * pty, const char * hostname); |
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36 | * |
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37 | * Private: |
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38 | * rxvt_update_wtmp (); |
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39 | *----------------------------------------------------------------------*/ |
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40 | |
37 | |
41 | #include "../config.h" /* NECESSARY */ |
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42 | #include "rxvt.h" /* NECESSARY */ |
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43 | #include "logging.h" |
38 | #include "../config.h" |
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39 | |
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40 | #include "ptytty.h" |
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41 | |
44 | #ifdef UTMP_SUPPORT |
42 | #if UTMP_SUPPORT |
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43 | |
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44 | #include <cstdio> |
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45 | |
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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> |
45 | |
51 | |
46 | /* |
52 | /* |
47 | * BSD style utmp entry |
53 | * BSD style utmp entry |
48 | * ut_line, ut_name, ut_host, ut_time |
54 | * ut_line, ut_name, ut_host, ut_time |
49 | * SYSV style utmp (and utmpx) entry |
55 | * SYSV style utmp (and utmpx) entry |
50 | * 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 |
51 | */ |
57 | */ |
52 | |
58 | |
53 | /* ------------------------------------------------------------------------- */ |
59 | /* ------------------------------------------------------------------------- */ |
54 | |
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55 | /* |
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56 | * make and write utmp and wtmp entries |
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57 | */ |
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58 | void |
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59 | rxvt_term::makeutent (const char *pty, const char *hostname) |
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60 | { |
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61 | #ifdef HAVE_STRUCT_UTMP |
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62 | struct utmp *ut = &(this->ut); |
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63 | #endif |
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64 | #ifdef HAVE_STRUCT_UTMPX |
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65 | struct utmpx *utx = &(this->utx); |
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66 | #endif |
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67 | #ifdef HAVE_UTMP_PID |
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68 | int i; |
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69 | #endif |
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70 | char ut_id[5]; |
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71 | struct passwd *pwent = getpwuid(getuid()); |
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72 | |
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73 | if (!STRNCMP(pty, "/dev/", 5)) |
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74 | pty += 5; /* skip /dev/ prefix */ |
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75 | |
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76 | if (!STRNCMP(pty, "pty", 3) || !STRNCMP(pty, "tty", 3)) |
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77 | { |
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78 | STRNCPY(ut_id, (pty + 3), sizeof(ut_id)); |
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79 | } |
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80 | #ifdef HAVE_UTMP_PID |
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81 | else if (sscanf(pty, "pts/%d", &i) == 1) |
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82 | sprintf(ut_id, "vt%02x", (i & 0xff)); /* sysv naming */ |
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83 | #endif |
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84 | else if (STRNCMP(pty, "pty", 3) && STRNCMP(pty, "tty", 3)) |
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85 | { |
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86 | rxvt_print_error("can't parse tty name \"%s\"", pty); |
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87 | return; |
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88 | } |
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89 | |
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90 | #ifdef HAVE_STRUCT_UTMP |
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91 | MEMSET(ut, 0, sizeof(struct utmp)); |
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92 | # ifdef HAVE_UTMP_PID |
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93 | setutent(); |
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94 | STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); |
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95 | ut->ut_type = DEAD_PROCESS; |
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96 | getutid(ut); /* position to entry in utmp file */ |
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97 | STRNCPY(ut_id, ut_id, sizeof(ut_id)); |
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98 | # endif |
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99 | #endif |
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100 | |
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101 | #ifdef HAVE_STRUCT_UTMPX |
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102 | MEMSET(utx, 0, sizeof(struct utmpx)); |
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103 | setutxent(); |
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104 | STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id)); |
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105 | utx->ut_type = DEAD_PROCESS; |
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106 | getutxid(utx); /* position to entry in utmp file */ |
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107 | STRNCPY(ut_id, ut_id, sizeof(ut_id)); |
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108 | #endif |
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109 | |
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110 | #ifdef HAVE_STRUCT_UTMP |
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111 | STRNCPY(ut->ut_line, pty, sizeof(ut->ut_line)); |
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112 | ut->ut_time = time(NULL); |
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113 | # ifdef HAVE_UTMP_PID |
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114 | STRNCPY(ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", |
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115 | sizeof(ut->ut_user)); |
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116 | STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); |
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117 | ut->ut_time = time(NULL); |
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118 | ut->ut_pid = cmd_pid; |
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119 | # ifdef HAVE_UTMP_HOST |
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120 | STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); |
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121 | # endif |
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122 | ut->ut_type = USER_PROCESS; |
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123 | pututline(ut); |
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124 | endutent(); /* close the file */ |
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125 | utmp_pos = 0; |
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126 | # else |
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127 | STRNCPY(ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?", |
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128 | sizeof(ut->ut_name)); |
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129 | # ifdef HAVE_UTMP_HOST |
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130 | STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); |
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131 | # endif |
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132 | # endif |
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133 | #endif |
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134 | |
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135 | #ifdef HAVE_STRUCT_UTMPX |
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136 | STRNCPY(utx->ut_line, pty, sizeof(utx->ut_line)); |
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137 | STRNCPY(utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", |
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138 | sizeof(utx->ut_user)); |
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139 | STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id)); |
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140 | utx->ut_session = getsid(0); |
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141 | utx->ut_tv.tv_sec = time(NULL); |
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142 | utx->ut_tv.tv_usec = 0; |
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143 | utx->ut_pid = cmd_pid; |
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144 | # ifdef HAVE_UTMPX_HOST |
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145 | STRNCPY(utx->ut_host, hostname, sizeof(utx->ut_host)); |
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146 | # if 0 |
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147 | { |
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148 | char *colon; |
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149 | |
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150 | if ((colon = STRRCHR(ut->ut_host, ':')) != NULL) |
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151 | *colon = '\0'; |
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152 | } |
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153 | # endif |
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154 | # endif |
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155 | utx->ut_type = USER_PROCESS; |
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156 | pututxline(utx); |
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157 | endutxent(); /* close the file */ |
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158 | utmp_pos = 0; |
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159 | #endif |
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160 | |
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161 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
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162 | |
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163 | { |
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164 | int i; |
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165 | # ifdef HAVE_TTYSLOT |
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166 | i = ttyslot(); |
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167 | if (rxvt_write_bsd_utmp(i, ut)) |
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168 | utmp_pos = i; |
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169 | # else |
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170 | FILE *fd0; |
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171 | |
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172 | if ((fd0 = fopen(TTYTAB_FILENAME, "r")) != NULL) |
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173 | { |
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174 | char buf[256], name[256]; |
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175 | |
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176 | buf[sizeof(buf) - 1] = '\0'; |
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177 | for (i = 1; (fgets(buf, sizeof(buf) - 1, fd0) != NULL);) |
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178 | { |
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179 | if (*buf == '#' || sscanf(buf, "%s", name) != 1) |
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180 | continue; |
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181 | if (!STRCMP(ut->ut_line, name)) |
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182 | { |
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183 | if (!rxvt_write_bsd_utmp(i, ut)) |
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184 | i = 0; |
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185 | utmp_pos = i; |
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186 | fclose(fd0); |
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187 | break; |
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188 | } |
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189 | i++; |
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190 | } |
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191 | fclose(fd0); |
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192 | } |
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193 | # endif |
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194 | |
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195 | } |
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196 | #endif |
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197 | |
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198 | #ifdef WTMP_SUPPORT |
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199 | # ifdef WTMP_ONLY_ON_LOGIN |
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200 | if (Options & Opt_loginShell) |
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201 | # endif |
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202 | { |
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203 | # ifdef HAVE_STRUCT_UTMP |
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204 | # ifdef HAVE_UPDWTMP |
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205 | updwtmp(RXVT_WTMP_FILE, ut); |
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206 | # else |
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207 | rxvt_update_wtmp(RXVT_WTMP_FILE, ut); |
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208 | # endif |
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209 | # endif |
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210 | # ifdef HAVE_STRUCT_UTMPX |
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211 | updwtmpx(RXVT_WTMPX_FILE, utx); |
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212 | # endif |
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213 | } |
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214 | #endif |
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215 | #if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) |
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216 | if (Options & Opt_loginShell) |
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217 | rxvt_update_lastlog(RXVT_LASTLOG_FILE, pty, hostname); |
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218 | #endif |
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219 | } |
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220 | |
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221 | /* ------------------------------------------------------------------------- */ |
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222 | /* |
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223 | * remove utmp and wtmp entries |
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224 | */ |
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225 | void |
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226 | rxvt_term::cleanutent () |
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227 | { |
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228 | #ifdef HAVE_STRUCT_UTMP |
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229 | struct utmp *ut = &(this->ut); |
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230 | #endif |
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231 | #ifdef HAVE_STRUCT_UTMPX |
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232 | struct utmpx *tmputx, *utx = &(this->utx); |
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233 | #endif |
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234 | |
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235 | #ifdef HAVE_STRUCT_UTMP |
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236 | # ifdef HAVE_UTMP_PID |
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237 | MEMSET(ut, 0, sizeof(struct utmp)); |
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238 | setutent(); |
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239 | STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); |
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240 | ut->ut_type = USER_PROCESS; |
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241 | { |
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242 | struct utmp *tmput = getutid(ut); |
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243 | |
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244 | if (tmput) /* position to entry in utmp file */ |
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245 | ut = tmput; |
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246 | } |
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247 | ut->ut_type = DEAD_PROCESS; |
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248 | # else |
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249 | MEMSET(ut->ut_name, 0, sizeof(ut->ut_name)); |
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250 | # ifdef HAVE_UTMP_HOST |
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251 | MEMSET(ut->ut_host, 0, sizeof(ut->ut_host)); |
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252 | # endif |
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253 | # endif |
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254 | ut->ut_time = time(NULL); |
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255 | #endif |
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256 | |
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257 | #ifdef HAVE_STRUCT_UTMPX |
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258 | MEMSET(utx, 0, sizeof(struct utmpx)); |
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259 | setutxent(); |
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260 | STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id)); |
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261 | utx->ut_type = USER_PROCESS; |
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262 | if ((tmputx = getutxid(utx))) /* position to entry in utmp file */ |
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263 | utx = tmputx; |
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264 | utx->ut_type = DEAD_PROCESS; |
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265 | utx->ut_session = getsid(0); |
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266 | utx->ut_tv.tv_sec = time(NULL); |
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267 | utx->ut_tv.tv_usec = 0; |
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268 | #endif |
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269 | |
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270 | /* |
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271 | * Write ending wtmp entry |
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272 | */ |
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273 | #ifdef WTMP_SUPPORT |
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274 | # ifdef WTMP_ONLY_ON_LOGIN |
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275 | if (Options & Opt_loginShell) |
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276 | # endif |
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277 | { |
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278 | # ifdef HAVE_STRUCT_UTMP |
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279 | # ifdef HAVE_UPDWTMP |
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280 | updwtmp(RXVT_WTMP_FILE, ut); |
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281 | # else |
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282 | rxvt_update_wtmp(RXVT_WTMP_FILE, ut); |
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283 | # endif |
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284 | # endif |
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285 | # ifdef HAVE_STRUCT_UTMPX |
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286 | updwtmpx(RXVT_WTMPX_FILE, utx); |
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287 | # endif |
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288 | } |
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289 | #endif |
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290 | |
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291 | /* |
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292 | * Write utmp entry |
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293 | */ |
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294 | #ifdef HAVE_STRUCT_UTMP |
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295 | # ifdef HAVE_UTMP_PID |
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296 | if (ut->ut_pid == cmd_pid) |
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297 | pututline(ut); |
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298 | endutent(); |
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299 | # else |
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300 | MEMSET(ut, 0, sizeof(struct utmp)); |
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301 | rxvt_write_bsd_utmp(utmp_pos, ut); |
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302 | # endif |
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303 | #endif |
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304 | #ifdef HAVE_STRUCT_UTMPX |
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305 | if (utx->ut_pid == cmd_pid) |
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306 | pututxline(utx); |
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307 | endutxent(); |
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308 | #endif |
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309 | } |
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310 | |
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311 | /* ------------------------------------------------------------------------- */ |
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312 | /* |
60 | /* |
313 | * Write a BSD style utmp entry |
61 | * Write a BSD style utmp entry |
314 | */ |
62 | */ |
315 | #ifdef HAVE_UTMP_H |
63 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
316 | /* INTPROTO */ |
64 | static int |
317 | int |
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318 | rxvt_write_bsd_utmp(int utmp_pos, struct utmp *wu) |
65 | write_bsd_utmp (int utmp_pos, struct utmp *wu) |
319 | { |
66 | { |
320 | int fd; |
67 | int fd; |
321 | |
68 | |
322 | if (utmp_pos <= 0 || (fd = open(RXVT_UTMP_FILE, O_WRONLY)) == -1) |
69 | if (utmp_pos <= 0 || (fd = open (UTMP_FILE, O_WRONLY)) == -1) |
323 | return 0; |
70 | return 0; |
324 | |
71 | |
325 | 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) |
326 | write(fd, wu, sizeof(struct utmp)); |
73 | write (fd, wu, sizeof (struct utmp)); |
327 | close(fd); |
74 | close (fd); |
328 | return 1; |
75 | return 1; |
329 | } |
76 | } |
330 | #endif |
77 | #endif |
331 | |
78 | |
332 | /* ------------------------------------------------------------------------- */ |
79 | /* ------------------------------------------------------------------------- */ |
333 | /* |
80 | /* |
334 | * Update a BSD style wtmp entry |
81 | * Update a BSD style wtmp entry |
335 | */ |
82 | */ |
336 | #if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) |
83 | #if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP) |
337 | /* INTPROTO */ |
84 | static void |
338 | void |
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339 | rxvt_update_wtmp(const char *fname, const struct utmp *putmp) |
85 | update_wtmp (const char *fname, const struct utmp *putmp) |
340 | { |
86 | { |
341 | int fd, gotlock, retry; |
87 | int fd, gotlock, retry; |
342 | struct flock lck; /* fcntl locking scheme */ |
88 | struct flock lck; /* fcntl locking scheme */ |
343 | struct stat sbuf; |
89 | struct stat sbuf; |
344 | |
90 | |
345 | if ((fd = open(fname, O_WRONLY | O_APPEND, 0)) < 0) |
91 | if ((fd = open (fname, O_WRONLY | O_APPEND, 0)) < 0) |
346 | return; |
92 | return; |
347 | |
93 | |
348 | lck.l_whence = SEEK_END; /* start lock at current eof */ |
94 | lck.l_whence = SEEK_END; /* start lock at current eof */ |
349 | lck.l_len = 0; /* end at ``largest possible eof'' */ |
95 | lck.l_len = 0; /* end at ``largest possible eof'' */ |
350 | lck.l_start = 0; |
96 | lck.l_start = 0; |
351 | lck.l_type = F_WRLCK; /* we want a write lock */ |
97 | lck.l_type = F_WRLCK; /* we want a write lock */ |
352 | |
98 | |
353 | /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */ |
99 | /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */ |
354 | for (retry = 10, gotlock = 0; retry--;) |
100 | for (retry = 10, gotlock = 0; retry--;) |
355 | if (fcntl(fd, F_SETLK, &lck) != -1) |
101 | if (fcntl (fd, F_SETLK, &lck) != -1) |
356 | { |
102 | { |
357 | gotlock = 1; |
103 | gotlock = 1; |
358 | break; |
104 | break; |
359 | } |
105 | } |
360 | else if (errno != EAGAIN && errno != EACCES) |
106 | else if (errno != EAGAIN && errno != EACCES) |
361 | break; |
107 | break; |
362 | if (!gotlock) |
108 | if (!gotlock) |
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109 | { |
363 | { /* give it up */ |
110 | /* give it up */ |
364 | close(fd); |
111 | close (fd); |
365 | return; |
112 | return; |
366 | } |
113 | } |
367 | if (fstat(fd, &sbuf) == 0) |
114 | if (fstat (fd, &sbuf) == 0) |
368 | if (write(fd, putmp, sizeof(struct utmp)) != sizeof(struct utmp)) |
115 | if (write (fd, putmp, sizeof (struct utmp)) != sizeof (struct utmp)) |
369 | ftruncate(fd, sbuf.st_size); /* remove bad writes */ |
116 | ftruncate (fd, sbuf.st_size); /* remove bad writes */ |
370 | |
117 | |
371 | lck.l_type = F_UNLCK; /* unlocking the file */ |
118 | lck.l_type = F_UNLCK; /* unlocking the file */ |
372 | fcntl(fd, F_SETLK, &lck); |
119 | fcntl (fd, F_SETLK, &lck); |
373 | close(fd); |
120 | close (fd); |
374 | } |
121 | } |
375 | #endif |
122 | #endif |
376 | |
123 | |
377 | /* ------------------------------------------------------------------------- */ |
124 | /* ------------------------------------------------------------------------- */ |
378 | #ifdef LASTLOG_SUPPORT |
125 | #ifdef LASTLOG_SUPPORT |
379 | /* INTPROTO */ |
126 | static void |
380 | void |
|
|
381 | rxvt_update_lastlog(const char *fname, const char *pty, const char *host) |
127 | update_lastlog (const char *fname, const char *pty, const char *host) |
382 | { |
128 | { |
383 | # ifdef HAVE_STRUCT_LASTLOGX |
129 | # if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX) |
384 | struct lastlogx llx; |
130 | struct lastlogx llx; |
385 | # endif |
131 | # endif |
386 | # ifdef HAVE_STRUCT_LASTLOG |
132 | # ifdef HAVE_STRUCT_LASTLOG |
387 | int fd; |
133 | int fd; |
388 | struct lastlog ll; |
134 | struct lastlog ll; |
389 | # ifdef LASTLOG_IS_DIR |
|
|
390 | char lastlogfile[256]; |
135 | char lastlogfile[256]; |
|
|
136 | struct passwd *pwent; |
|
|
137 | struct stat st; |
|
|
138 | # endif |
|
|
139 | |
|
|
140 | # if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX) |
|
|
141 | memset (&llx, 0, sizeof (llx)); |
|
|
142 | llx.ll_tv.tv_sec = time (NULL); |
|
|
143 | llx.ll_tv.tv_usec = 0; |
|
|
144 | strncpy (llx.ll_line, pty, sizeof (llx.ll_line)); |
|
|
145 | strncpy (llx.ll_host, host, sizeof (llx.ll_host)); |
|
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146 | updlastlogx (LASTLOGX_FILE, getuid (), &llx); |
|
|
147 | # endif |
|
|
148 | |
|
|
149 | # ifdef HAVE_STRUCT_LASTLOG |
|
|
150 | pwent = getpwuid (getuid ()); |
|
|
151 | if (!pwent) |
|
|
152 | { |
|
|
153 | ptytty_warn ("no entry in password file, not updating lastlog.\n", 0); |
|
|
154 | return; |
|
|
155 | } |
|
|
156 | |
|
|
157 | memset (&ll, 0, sizeof (ll)); |
|
|
158 | ll.ll_time = time (NULL); |
|
|
159 | strncpy (ll.ll_line, pty, sizeof (ll.ll_line)); |
|
|
160 | strncpy (ll.ll_host, host, sizeof (ll.ll_host)); |
|
|
161 | if (stat (fname, &st) != 0) |
|
|
162 | return; |
|
|
163 | if (S_ISDIR (st.st_mode)) |
|
|
164 | { |
|
|
165 | sprintf (lastlogfile, "%.*s/%.*s", |
|
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166 | (int)(sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2), fname, |
|
|
167 | (int)sizeof (pwent->pw_name), |
|
|
168 | (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown" |
|
|
169 | : pwent->pw_name); |
|
|
170 | if ((fd = open (lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0) |
|
|
171 | { |
|
|
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) |
|
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181 | write (fd, &ll, sizeof (ll)); |
|
|
182 | close (fd); |
|
|
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 | } |
391 | # endif |
285 | # endif |
392 | struct passwd *pwent; |
286 | # endif |
|
|
287 | utx->ut_type = USER_PROCESS; |
|
|
288 | pututxline (utx); |
|
|
289 | endutxent (); /* close the file */ |
|
|
290 | utmp_pos = 0; |
393 | # endif |
291 | #endif |
394 | |
292 | |
395 | # ifdef HAVE_STRUCT_LASTLOGX |
293 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
396 | MEMSET(&llx, 0, sizeof(llx)); |
294 | { |
397 | llx.ll_tv.tv_sec = time(NULL); |
295 | # if 1 |
398 | llx.ll_tv.tv_usec = 0; |
296 | int fdstdin = dup (STDIN_FILENO); |
399 | STRNCPY(llx.ll_line, pty, sizeof(llx.ll_line)); |
297 | dup2 (tty, STDIN_FILENO); |
400 | STRNCPY(llx.ll_host, host, sizeof(llx.ll_host)); |
298 | |
401 | updlastlogx(RXVT_LASTLOGX_FILE, getuid(), &llx); |
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 | } |
402 | # endif |
307 | #endif |
403 | |
308 | |
|
|
309 | #ifdef WTMP_SUPPORT |
|
|
310 | #ifdef LOG_ONLY_ON_LOGIN |
|
|
311 | if (login_shell) |
|
|
312 | #endif |
|
|
313 | { |
404 | # ifdef HAVE_STRUCT_LASTLOG |
314 | # ifdef HAVE_STRUCT_UTMP |
405 | pwent = getpwuid(getuid()); |
315 | # ifdef HAVE_UPDWTMP |
406 | if (!pwent) |
316 | updwtmp (WTMP_FILE, ut); |
407 | { |
|
|
408 | rxvt_print_error("no entry in password file"); |
|
|
409 | return; |
|
|
410 | } |
|
|
411 | MEMSET(&ll, 0, sizeof(ll)); |
|
|
412 | ll.ll_time = time(NULL); |
|
|
413 | STRNCPY(ll.ll_line, pty, sizeof(ll.ll_line)); |
|
|
414 | STRNCPY(ll.ll_host, host, sizeof(ll.ll_host)); |
|
|
415 | # ifdef LASTLOG_IS_DIR |
|
|
416 | sprintf(lastlogfile, "%.*s/%.*s", |
|
|
417 | sizeof(lastlogfile) - sizeof(pwent->pw_name) - 2, fname, |
|
|
418 | sizeof(pwent->pw_name), |
|
|
419 | (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown" |
|
|
420 | : pwent->pw_name); |
|
|
421 | if ((fd = open(lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0) |
|
|
422 | { |
|
|
423 | write(fd, &ll, sizeof(ll)); |
|
|
424 | close(fd); |
|
|
425 | } |
|
|
426 | # else |
317 | # else |
427 | 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 |
428 | { |
324 | } |
429 | if (lseek(fd, (off_t) ((long)pwent->pw_uid * sizeof(ll)), |
325 | #endif |
430 | SEEK_SET) != -1) |
326 | #if defined(LASTLOG_SUPPORT) && defined(LASTLOG_FILE) |
431 | write(fd, &ll, sizeof(ll)); |
327 | #ifdef LOG_ONLY_ON_LOGIN |
432 | close(fd); |
328 | if (login_shell) |
433 | } |
329 | #endif |
434 | # endif /* LASTLOG_IS_DIR */ |
330 | update_lastlog (LASTLOG_FILE, pty, hostname); |
435 | # endif /* HAVE_STRUCT_LASTLOG */ |
331 | #endif |
436 | } |
332 | } |
437 | #endif /* LASTLOG_SUPPORT */ |
333 | |
438 | /* ------------------------------------------------------------------------- */ |
334 | /* ------------------------------------------------------------------------- */ |
|
|
335 | /* |
|
|
336 | * remove utmp and wtmp entries |
|
|
337 | */ |
|
|
338 | void |
|
|
339 | ptytty_unix::logout () |
|
|
340 | { |
|
|
341 | if (!cmd_pid) |
|
|
342 | return; |
439 | |
343 | |
440 | #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 | |