1 |
pcg |
1.1 |
/*--------------------------------*-C-*---------------------------------* |
2 |
pcg |
1.9 |
* File: logging.C |
3 |
pcg |
1.1 |
*----------------------------------------------------------------------* |
4 |
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* |
5 |
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* All portions of code are copyright by their respective author/s. |
6 |
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* Copyright (c) 1992 John Bovey <jdb@ukc.ac.uk> |
7 |
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* - original version |
8 |
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* Copyright (c) 1993 lipka |
9 |
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* Copyright (c) 1993 Brian Stempien <stempien@cs.wmich.edu> |
10 |
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* Copyright (c) 1995 Raul Garcia Garcia <rgg@tid.es> |
11 |
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* Copyright (c) 1995 Piet W. Plomp <piet@idefix.icce.rug.nl> |
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* Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es> |
13 |
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* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
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* - extensive modifications |
15 |
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* Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com> |
16 |
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* - lastlog support |
17 |
pcg |
1.9 |
* Copyright (c) 2004 Marc Lehmann <pcg@goof.com> |
18 |
pcg |
1.1 |
* |
19 |
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* This program is free software; you can redistribute it and/or modify |
20 |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*----------------------------------------------------------------------*/ |
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/*----------------------------------------------------------------------* |
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* Public: |
35 |
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* extern void cleanutent (void); |
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* extern void makeutent (const char * pty, const char * hostname); |
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* |
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* Private: |
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* rxvt_update_wtmp (); |
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*----------------------------------------------------------------------*/ |
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#include "../config.h" /* NECESSARY */ |
43 |
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#include "rxvt.h" /* NECESSARY */ |
44 |
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#include "logging.h" |
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#ifdef UTMP_SUPPORT |
46 |
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|
47 |
root |
1.14 |
int rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu); |
48 |
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void rxvt_update_wtmp (const char *fname, const struct utmp *putmp); |
49 |
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void rxvt_update_lastlog (const char *fname, const char *pty, const char *host); |
50 |
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|
51 |
pcg |
1.1 |
/* |
52 |
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* BSD style utmp entry |
53 |
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* ut_line, ut_name, ut_host, ut_time |
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* SYSV style utmp (and utmpx) entry |
55 |
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* ut_user, ut_id, ut_line, ut_pid, ut_type, ut_exit, ut_time |
56 |
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*/ |
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58 |
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/* ------------------------------------------------------------------------- */ |
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/* |
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* make and write utmp and wtmp entries |
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*/ |
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void |
64 |
pcg |
1.4 |
rxvt_term::makeutent (const char *pty, const char *hostname) |
65 |
pcg |
1.1 |
{ |
66 |
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#ifdef HAVE_STRUCT_UTMP |
67 |
root |
1.12 |
struct utmp *ut = &this->ut; |
68 |
pcg |
1.1 |
#endif |
69 |
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#ifdef HAVE_STRUCT_UTMPX |
70 |
root |
1.12 |
struct utmpx *utx = &this->utx; |
71 |
pcg |
1.1 |
#endif |
72 |
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#ifdef HAVE_UTMP_PID |
73 |
root |
1.12 |
int i; |
74 |
pcg |
1.1 |
#endif |
75 |
pcg |
1.7 |
struct passwd *pwent = getpwuid (getuid ()); |
76 |
pcg |
1.1 |
|
77 |
root |
1.11 |
if (!strncmp (pty, "/dev/", 5)) |
78 |
pcg |
1.6 |
pty += 5; /* skip /dev/ prefix */ |
79 |
pcg |
1.1 |
|
80 |
root |
1.13 |
#ifdef HAVE_UTMP_PID |
81 |
root |
1.11 |
if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3)) |
82 |
root |
1.13 |
strncpy (ut_id, pty + 3, sizeof (ut_id)); |
83 |
pcg |
1.7 |
else if (sscanf (pty, "pts/%d", &i) == 1) |
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sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */ |
85 |
root |
1.11 |
else if (strncmp (pty, "pty", 3) && strncmp (pty, "tty", 3)) |
86 |
pcg |
1.6 |
{ |
87 |
pcg |
1.8 |
rxvt_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty); |
88 |
pcg |
1.6 |
return; |
89 |
pcg |
1.1 |
} |
90 |
root |
1.13 |
#endif |
91 |
pcg |
1.1 |
|
92 |
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#ifdef HAVE_STRUCT_UTMP |
93 |
root |
1.11 |
memset (ut, 0, sizeof (struct utmp)); |
94 |
pcg |
1.1 |
# ifdef HAVE_UTMP_PID |
95 |
pcg |
1.7 |
setutent (); |
96 |
root |
1.11 |
strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id)); |
97 |
pcg |
1.6 |
ut->ut_type = DEAD_PROCESS; |
98 |
pcg |
1.7 |
getutid (ut); /* position to entry in utmp file */ |
99 |
root |
1.11 |
strncpy (ut_id, ut_id, sizeof (ut_id)); |
100 |
pcg |
1.1 |
# endif |
101 |
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#endif |
102 |
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103 |
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#ifdef HAVE_STRUCT_UTMPX |
104 |
root |
1.11 |
memset (utx, 0, sizeof (struct utmpx)); |
105 |
pcg |
1.7 |
setutxent (); |
106 |
root |
1.11 |
strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id)); |
107 |
pcg |
1.6 |
utx->ut_type = DEAD_PROCESS; |
108 |
pcg |
1.7 |
getutxid (utx); /* position to entry in utmp file */ |
109 |
root |
1.11 |
strncpy (ut_id, ut_id, sizeof (ut_id)); |
110 |
pcg |
1.1 |
#endif |
111 |
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|
112 |
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#ifdef HAVE_STRUCT_UTMP |
113 |
root |
1.11 |
strncpy (ut->ut_line, pty, sizeof (ut->ut_line)); |
114 |
pcg |
1.7 |
ut->ut_time = time (NULL); |
115 |
pcg |
1.1 |
# ifdef HAVE_UTMP_PID |
116 |
root |
1.11 |
strncpy (ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", |
117 |
pcg |
1.7 |
sizeof (ut->ut_user)); |
118 |
root |
1.11 |
strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id)); |
119 |
pcg |
1.7 |
ut->ut_time = time (NULL); |
120 |
pcg |
1.6 |
ut->ut_pid = cmd_pid; |
121 |
pcg |
1.1 |
# ifdef HAVE_UTMP_HOST |
122 |
root |
1.11 |
strncpy (ut->ut_host, hostname, sizeof (ut->ut_host)); |
123 |
pcg |
1.1 |
# endif |
124 |
pcg |
1.6 |
ut->ut_type = USER_PROCESS; |
125 |
pcg |
1.7 |
pututline (ut); |
126 |
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endutent (); /* close the file */ |
127 |
pcg |
1.6 |
utmp_pos = 0; |
128 |
pcg |
1.1 |
# else |
129 |
root |
1.11 |
strncpy (ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?", |
130 |
pcg |
1.7 |
sizeof (ut->ut_name)); |
131 |
pcg |
1.1 |
# ifdef HAVE_UTMP_HOST |
132 |
root |
1.11 |
strncpy (ut->ut_host, hostname, sizeof (ut->ut_host)); |
133 |
pcg |
1.1 |
# endif |
134 |
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# endif |
135 |
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#endif |
136 |
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137 |
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#ifdef HAVE_STRUCT_UTMPX |
138 |
root |
1.11 |
strncpy (utx->ut_line, pty, sizeof (utx->ut_line)); |
139 |
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strncpy (utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", |
140 |
pcg |
1.7 |
sizeof (utx->ut_user)); |
141 |
root |
1.11 |
strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id)); |
142 |
root |
1.15 |
# if HAVE_UTMPX_SESSION |
143 |
pcg |
1.7 |
utx->ut_session = getsid (0); |
144 |
root |
1.15 |
# endif |
145 |
pcg |
1.7 |
utx->ut_tv.tv_sec = time (NULL); |
146 |
pcg |
1.6 |
utx->ut_tv.tv_usec = 0; |
147 |
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utx->ut_pid = cmd_pid; |
148 |
pcg |
1.1 |
# ifdef HAVE_UTMPX_HOST |
149 |
root |
1.11 |
strncpy (utx->ut_host, hostname, sizeof (utx->ut_host)); |
150 |
pcg |
1.1 |
# if 0 |
151 |
pcg |
1.6 |
{ |
152 |
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char *colon; |
153 |
pcg |
1.1 |
|
154 |
root |
1.11 |
if ((colon = strrchr (ut->ut_host, ':')) != NULL) |
155 |
pcg |
1.6 |
*colon = '\0'; |
156 |
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} |
157 |
pcg |
1.1 |
# endif |
158 |
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# endif |
159 |
pcg |
1.6 |
utx->ut_type = USER_PROCESS; |
160 |
pcg |
1.7 |
pututxline (utx); |
161 |
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endutxent (); /* close the file */ |
162 |
pcg |
1.6 |
utmp_pos = 0; |
163 |
pcg |
1.1 |
#endif |
164 |
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165 |
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#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
166 |
pcg |
1.6 |
|
167 |
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{ |
168 |
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int i; |
169 |
pcg |
1.1 |
# ifdef HAVE_TTYSLOT |
170 |
pcg |
1.7 |
i = ttyslot (); |
171 |
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if (rxvt_write_bsd_utmp (i, ut)) |
172 |
pcg |
1.6 |
utmp_pos = i; |
173 |
pcg |
1.1 |
# else |
174 |
pcg |
1.6 |
FILE *fd0; |
175 |
pcg |
1.1 |
|
176 |
pcg |
1.7 |
if ((fd0 = fopen (TTYTAB_FILENAME, "r")) != NULL) |
177 |
pcg |
1.6 |
{ |
178 |
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char buf[256], name[256]; |
179 |
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180 |
pcg |
1.7 |
buf[sizeof (buf) - 1] = '\0'; |
181 |
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for (i = 1; (fgets (buf, sizeof (buf) - 1, fd0) != NULL);) |
182 |
pcg |
1.6 |
{ |
183 |
pcg |
1.7 |
if (*buf == '#' || sscanf (buf, "%s", name) != 1) |
184 |
pcg |
1.6 |
continue; |
185 |
root |
1.11 |
if (!strcmp (ut->ut_line, name)) |
186 |
pcg |
1.6 |
{ |
187 |
pcg |
1.7 |
if (!rxvt_write_bsd_utmp (i, ut)) |
188 |
pcg |
1.6 |
i = 0; |
189 |
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utmp_pos = i; |
190 |
pcg |
1.7 |
fclose (fd0); |
191 |
pcg |
1.6 |
break; |
192 |
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} |
193 |
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i++; |
194 |
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} |
195 |
pcg |
1.7 |
fclose (fd0); |
196 |
pcg |
1.6 |
} |
197 |
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# endif |
198 |
pcg |
1.1 |
|
199 |
pcg |
1.6 |
} |
200 |
pcg |
1.1 |
#endif |
201 |
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202 |
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#ifdef WTMP_SUPPORT |
203 |
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# ifdef WTMP_ONLY_ON_LOGIN |
204 |
root |
1.11 |
if (options & Opt_loginShell) |
205 |
pcg |
1.1 |
# endif |
206 |
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{ |
207 |
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# ifdef HAVE_STRUCT_UTMP |
208 |
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# ifdef HAVE_UPDWTMP |
209 |
pcg |
1.7 |
updwtmp (RXVT_WTMP_FILE, ut); |
210 |
pcg |
1.1 |
# else |
211 |
pcg |
1.7 |
rxvt_update_wtmp (RXVT_WTMP_FILE, ut); |
212 |
pcg |
1.1 |
# endif |
213 |
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# endif |
214 |
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# ifdef HAVE_STRUCT_UTMPX |
215 |
root |
1.15 |
# if HAVE_UPDWTMPX |
216 |
pcg |
1.7 |
updwtmpx (RXVT_WTMPX_FILE, utx); |
217 |
root |
1.15 |
# endif |
218 |
pcg |
1.1 |
# endif |
219 |
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} |
220 |
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#endif |
221 |
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#if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) |
222 |
root |
1.11 |
if (options & Opt_loginShell) |
223 |
pcg |
1.7 |
rxvt_update_lastlog (RXVT_LASTLOG_FILE, pty, hostname); |
224 |
pcg |
1.1 |
#endif |
225 |
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} |
226 |
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227 |
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/* ------------------------------------------------------------------------- */ |
228 |
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/* |
229 |
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* remove utmp and wtmp entries |
230 |
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*/ |
231 |
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void |
232 |
pcg |
1.4 |
rxvt_term::cleanutent () |
233 |
pcg |
1.1 |
{ |
234 |
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#ifdef HAVE_STRUCT_UTMP |
235 |
root |
1.12 |
struct utmp *ut = &this->ut; |
236 |
pcg |
1.1 |
#endif |
237 |
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#ifdef HAVE_STRUCT_UTMPX |
238 |
root |
1.12 |
struct utmpx *tmputx, *utx = &this->utx; |
239 |
pcg |
1.1 |
#endif |
240 |
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|
241 |
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#ifdef HAVE_STRUCT_UTMP |
242 |
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# ifdef HAVE_UTMP_PID |
243 |
root |
1.11 |
memset (ut, 0, sizeof (struct utmp)); |
244 |
pcg |
1.7 |
setutent (); |
245 |
root |
1.11 |
strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id)); |
246 |
pcg |
1.6 |
ut->ut_type = USER_PROCESS; |
247 |
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{ |
248 |
pcg |
1.7 |
struct utmp *tmput = getutid (ut); |
249 |
pcg |
1.6 |
|
250 |
|
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if (tmput) /* position to entry in utmp file */ |
251 |
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ut = tmput; |
252 |
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} |
253 |
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ut->ut_type = DEAD_PROCESS; |
254 |
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# else |
255 |
root |
1.11 |
memset (ut->ut_name, 0, sizeof (ut->ut_name)); |
256 |
pcg |
1.1 |
# ifdef HAVE_UTMP_HOST |
257 |
root |
1.11 |
memset (ut->ut_host, 0, sizeof (ut->ut_host)); |
258 |
pcg |
1.1 |
# endif |
259 |
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# endif |
260 |
pcg |
1.7 |
ut->ut_time = time (NULL); |
261 |
pcg |
1.1 |
#endif |
262 |
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|
263 |
|
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#ifdef HAVE_STRUCT_UTMPX |
264 |
root |
1.11 |
memset (utx, 0, sizeof (struct utmpx)); |
265 |
pcg |
1.7 |
setutxent (); |
266 |
root |
1.11 |
strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id)); |
267 |
pcg |
1.6 |
utx->ut_type = USER_PROCESS; |
268 |
pcg |
1.7 |
if ((tmputx = getutxid (utx))) /* position to entry in utmp file */ |
269 |
pcg |
1.6 |
utx = tmputx; |
270 |
|
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utx->ut_type = DEAD_PROCESS; |
271 |
root |
1.15 |
# if HAVE_UTMPX_SESSION |
272 |
pcg |
1.7 |
utx->ut_session = getsid (0); |
273 |
root |
1.15 |
# endif |
274 |
pcg |
1.7 |
utx->ut_tv.tv_sec = time (NULL); |
275 |
pcg |
1.6 |
utx->ut_tv.tv_usec = 0; |
276 |
pcg |
1.1 |
#endif |
277 |
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|
278 |
pcg |
1.6 |
/* |
279 |
|
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* Write ending wtmp entry |
280 |
|
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*/ |
281 |
pcg |
1.1 |
#ifdef WTMP_SUPPORT |
282 |
|
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# ifdef WTMP_ONLY_ON_LOGIN |
283 |
root |
1.11 |
if (options & Opt_loginShell) |
284 |
pcg |
1.1 |
# endif |
285 |
|
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{ |
286 |
|
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# ifdef HAVE_STRUCT_UTMP |
287 |
|
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# ifdef HAVE_UPDWTMP |
288 |
pcg |
1.7 |
updwtmp (RXVT_WTMP_FILE, ut); |
289 |
pcg |
1.1 |
# else |
290 |
pcg |
1.7 |
rxvt_update_wtmp (RXVT_WTMP_FILE, ut); |
291 |
pcg |
1.1 |
# endif |
292 |
|
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# endif |
293 |
|
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# ifdef HAVE_STRUCT_UTMPX |
294 |
root |
1.15 |
# if HAVE_UPDWTMPX |
295 |
pcg |
1.7 |
updwtmpx (RXVT_WTMPX_FILE, utx); |
296 |
root |
1.15 |
# endif |
297 |
pcg |
1.1 |
# endif |
298 |
|
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} |
299 |
|
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#endif |
300 |
|
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|
301 |
pcg |
1.6 |
/* |
302 |
|
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* Write utmp entry |
303 |
|
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*/ |
304 |
pcg |
1.1 |
#ifdef HAVE_STRUCT_UTMP |
305 |
|
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# ifdef HAVE_UTMP_PID |
306 |
pcg |
1.6 |
if (ut->ut_pid == cmd_pid) |
307 |
pcg |
1.7 |
pututline (ut); |
308 |
|
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endutent (); |
309 |
pcg |
1.1 |
# else |
310 |
root |
1.11 |
memset (ut, 0, sizeof (struct utmp)); |
311 |
pcg |
1.7 |
rxvt_write_bsd_utmp (utmp_pos, ut); |
312 |
pcg |
1.1 |
# endif |
313 |
|
|
#endif |
314 |
|
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#ifdef HAVE_STRUCT_UTMPX |
315 |
pcg |
1.6 |
if (utx->ut_pid == cmd_pid) |
316 |
pcg |
1.7 |
pututxline (utx); |
317 |
|
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endutxent (); |
318 |
pcg |
1.1 |
#endif |
319 |
|
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} |
320 |
|
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|
321 |
|
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/* ------------------------------------------------------------------------- */ |
322 |
|
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/* |
323 |
|
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* Write a BSD style utmp entry |
324 |
|
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*/ |
325 |
|
|
#ifdef HAVE_UTMP_H |
326 |
|
|
/* INTPROTO */ |
327 |
|
|
int |
328 |
pcg |
1.7 |
rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu) |
329 |
pcg |
1.1 |
{ |
330 |
pcg |
1.6 |
int fd; |
331 |
pcg |
1.1 |
|
332 |
pcg |
1.7 |
if (utmp_pos <= 0 || (fd = open (RXVT_UTMP_FILE, O_WRONLY)) == -1) |
333 |
pcg |
1.6 |
return 0; |
334 |
pcg |
1.1 |
|
335 |
pcg |
1.7 |
if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1) |
336 |
|
|
write (fd, wu, sizeof (struct utmp)); |
337 |
|
|
close (fd); |
338 |
pcg |
1.6 |
return 1; |
339 |
pcg |
1.1 |
} |
340 |
|
|
#endif |
341 |
|
|
|
342 |
|
|
/* ------------------------------------------------------------------------- */ |
343 |
|
|
/* |
344 |
|
|
* Update a BSD style wtmp entry |
345 |
|
|
*/ |
346 |
|
|
#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) |
347 |
|
|
/* INTPROTO */ |
348 |
|
|
void |
349 |
pcg |
1.7 |
rxvt_update_wtmp (const char *fname, const struct utmp *putmp) |
350 |
pcg |
1.1 |
{ |
351 |
pcg |
1.6 |
int fd, gotlock, retry; |
352 |
|
|
struct flock lck; /* fcntl locking scheme */ |
353 |
|
|
struct stat sbuf; |
354 |
|
|
|
355 |
pcg |
1.7 |
if ((fd = open (fname, O_WRONLY | O_APPEND, 0)) < 0) |
356 |
pcg |
1.6 |
return; |
357 |
|
|
|
358 |
|
|
lck.l_whence = SEEK_END; /* start lock at current eof */ |
359 |
|
|
lck.l_len = 0; /* end at ``largest possible eof'' */ |
360 |
|
|
lck.l_start = 0; |
361 |
|
|
lck.l_type = F_WRLCK; /* we want a write lock */ |
362 |
|
|
|
363 |
|
|
/* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */ |
364 |
|
|
for (retry = 10, gotlock = 0; retry--;) |
365 |
pcg |
1.7 |
if (fcntl (fd, F_SETLK, &lck) != -1) |
366 |
pcg |
1.6 |
{ |
367 |
|
|
gotlock = 1; |
368 |
|
|
break; |
369 |
|
|
} |
370 |
|
|
else if (errno != EAGAIN && errno != EACCES) |
371 |
|
|
break; |
372 |
|
|
if (!gotlock) |
373 |
|
|
{ /* give it up */ |
374 |
pcg |
1.7 |
close (fd); |
375 |
pcg |
1.6 |
return; |
376 |
|
|
} |
377 |
pcg |
1.7 |
if (fstat (fd, &sbuf) == 0) |
378 |
|
|
if (write (fd, putmp, sizeof (struct utmp)) != sizeof (struct utmp)) |
379 |
|
|
ftruncate (fd, sbuf.st_size); /* remove bad writes */ |
380 |
pcg |
1.6 |
|
381 |
|
|
lck.l_type = F_UNLCK; /* unlocking the file */ |
382 |
pcg |
1.7 |
fcntl (fd, F_SETLK, &lck); |
383 |
|
|
close (fd); |
384 |
pcg |
1.1 |
} |
385 |
|
|
#endif |
386 |
|
|
|
387 |
|
|
/* ------------------------------------------------------------------------- */ |
388 |
|
|
#ifdef LASTLOG_SUPPORT |
389 |
|
|
/* INTPROTO */ |
390 |
|
|
void |
391 |
pcg |
1.7 |
rxvt_update_lastlog (const char *fname, const char *pty, const char *host) |
392 |
pcg |
1.1 |
{ |
393 |
|
|
# ifdef HAVE_STRUCT_LASTLOGX |
394 |
pcg |
1.6 |
struct lastlogx llx; |
395 |
pcg |
1.1 |
# endif |
396 |
|
|
# ifdef HAVE_STRUCT_LASTLOG |
397 |
pcg |
1.6 |
int fd; |
398 |
|
|
struct lastlog ll; |
399 |
pcg |
1.1 |
# ifdef LASTLOG_IS_DIR |
400 |
pcg |
1.6 |
char lastlogfile[256]; |
401 |
pcg |
1.1 |
# endif |
402 |
pcg |
1.6 |
struct passwd *pwent; |
403 |
pcg |
1.1 |
# endif |
404 |
|
|
|
405 |
|
|
# ifdef HAVE_STRUCT_LASTLOGX |
406 |
root |
1.11 |
memset (&llx, 0, sizeof (llx)); |
407 |
pcg |
1.7 |
llx.ll_tv.tv_sec = time (NULL); |
408 |
pcg |
1.6 |
llx.ll_tv.tv_usec = 0; |
409 |
root |
1.11 |
strncpy (llx.ll_line, pty, sizeof (llx.ll_line)); |
410 |
|
|
strncpy (llx.ll_host, host, sizeof (llx.ll_host)); |
411 |
pcg |
1.7 |
updlastlogx (RXVT_LASTLOGX_FILE, getuid (), &llx); |
412 |
pcg |
1.1 |
# endif |
413 |
|
|
|
414 |
|
|
# ifdef HAVE_STRUCT_LASTLOG |
415 |
pcg |
1.7 |
pwent = getpwuid (getuid ()); |
416 |
pcg |
1.6 |
if (!pwent) |
417 |
|
|
{ |
418 |
pcg |
1.8 |
rxvt_warn ("no entry in password file, not updating lastlog.\n"); |
419 |
pcg |
1.6 |
return; |
420 |
pcg |
1.1 |
} |
421 |
pcg |
1.8 |
|
422 |
root |
1.11 |
memset (&ll, 0, sizeof (ll)); |
423 |
pcg |
1.7 |
ll.ll_time = time (NULL); |
424 |
root |
1.11 |
strncpy (ll.ll_line, pty, sizeof (ll.ll_line)); |
425 |
|
|
strncpy (ll.ll_host, host, sizeof (ll.ll_host)); |
426 |
pcg |
1.1 |
# ifdef LASTLOG_IS_DIR |
427 |
pcg |
1.7 |
sprintf (lastlogfile, "%.*s/%.*s", |
428 |
|
|
sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2, fname, |
429 |
|
|
sizeof (pwent->pw_name), |
430 |
pcg |
1.6 |
(!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown" |
431 |
|
|
: pwent->pw_name); |
432 |
pcg |
1.7 |
if ((fd = open (lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0) |
433 |
pcg |
1.6 |
{ |
434 |
pcg |
1.7 |
write (fd, &ll, sizeof (ll)); |
435 |
|
|
close (fd); |
436 |
pcg |
1.1 |
} |
437 |
|
|
# else |
438 |
pcg |
1.7 |
if ((fd = open (fname, O_RDWR)) != -1) |
439 |
pcg |
1.6 |
{ |
440 |
pcg |
1.7 |
if (lseek (fd, (off_t) ((long)pwent->pw_uid * sizeof (ll)), |
441 |
pcg |
1.6 |
SEEK_SET) != -1) |
442 |
pcg |
1.7 |
write (fd, &ll, sizeof (ll)); |
443 |
|
|
close (fd); |
444 |
pcg |
1.1 |
} |
445 |
|
|
# endif /* LASTLOG_IS_DIR */ |
446 |
|
|
# endif /* HAVE_STRUCT_LASTLOG */ |
447 |
|
|
} |
448 |
|
|
#endif /* LASTLOG_SUPPORT */ |
449 |
|
|
/* ------------------------------------------------------------------------- */ |
450 |
|
|
|
451 |
|
|
#endif /* UTMP_SUPPORT */ |