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Comparing rxvt-unicode/src/logging.C (file contents):
Revision 1.6 by pcg, Sun Feb 1 01:34:41 2004 UTC vs.
Revision 1.42 by ayin, Mon Nov 5 00:50:06 2007 UTC

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

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