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Comparing rxvt-unicode/src/logging.C (file contents):
Revision 1.2 by pcg, Mon Nov 24 17:31:27 2003 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 * $Id: logging.C,v 1.2 2003/11/24 17:31:27 pcg Exp $
5 * 7 *
6 * All portions of code are copyright by their respective author/s. 8 * All portions of code are copyright by their respective author/s.
7 * Copyright (c) 1992 John Bovey <jdb@ukc.ac.uk> 9 * Copyright (c) 1992 John Bovey <jdb@ukc.ac.uk>
8 * - original version 10 * - original version
9 * Copyright (c) 1993 lipka 11 * Copyright (c) 1993 lipka
… …
13 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es> 15 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 16 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15 * - extensive modifications 17 * - extensive modifications
16 * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com> 18 * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com>
17 * - 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>
18 * 22 *
19 * This program is free software; you can redistribute it and/or modify 23 * This program is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License as published by 24 * it under the terms of the GNU General Public License as published by
21 * the Free Software Foundation; either version 2 of the License, or 25 * the Free Software Foundation; either version 2 of the License, or
22 * (at your option) any later version. 26 * (at your option) any later version.
… …
28 * 32 *
29 * You should have received a copy of the GNU General Public License 33 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software 34 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 35 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
32 *----------------------------------------------------------------------*/ 36 *----------------------------------------------------------------------*/
33/*----------------------------------------------------------------------*
34 * Public:
35 * extern void cleanutent (void);
36 * extern void makeutent (const char * pty, const char * hostname);
37 *
38 * Private:
39 * rxvt_update_wtmp ();
40 *----------------------------------------------------------------------*/
41 37
42#include "../config.h" /* NECESSARY */
43#include "rxvt.h" /* NECESSARY */
44#include "logging.h" 38#include "../config.h"
39
40#include "ptytty.h"
41
45#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>
46 51
47/* 52/*
48 * BSD style utmp entry 53 * BSD style utmp entry
49 * ut_line, ut_name, ut_host, ut_time 54 * ut_line, ut_name, ut_host, ut_time
50 * SYSV style utmp (and utmpx) entry 55 * SYSV style utmp (and utmpx) entry
51 * 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
52 */ 57 */
53 58
54/* ------------------------------------------------------------------------- */ 59/* ------------------------------------------------------------------------- */
60/*
61 * Write a BSD style utmp entry
62 */
63#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
64static int
65write_bsd_utmp (int utmp_pos, struct utmp *wu)
66{
67 int fd;
68
69 if (utmp_pos <= 0 || (fd = open (UTMP_FILE, O_WRONLY)) == -1)
70 return 0;
71
72 if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1)
73 write (fd, wu, sizeof (struct utmp));
74 close (fd);
75 return 1;
76}
77#endif
78
79/* ------------------------------------------------------------------------- */
80/*
81 * Update a BSD style wtmp entry
82 */
83#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP)
84static void
85update_wtmp (const char *fname, const struct utmp *putmp)
86{
87 int fd, gotlock, retry;
88 struct flock lck; /* fcntl locking scheme */
89 struct stat sbuf;
90
91 if ((fd = open (fname, O_WRONLY | O_APPEND, 0)) < 0)
92 return;
93
94 lck.l_whence = SEEK_END; /* start lock at current eof */
95 lck.l_len = 0; /* end at ``largest possible eof'' */
96 lck.l_start = 0;
97 lck.l_type = F_WRLCK; /* we want a write lock */
98
99 /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */
100 for (retry = 10, gotlock = 0; retry--;)
101 if (fcntl (fd, F_SETLK, &lck) != -1)
102 {
103 gotlock = 1;
104 break;
105 }
106 else if (errno != EAGAIN && errno != EACCES)
107 break;
108 if (!gotlock)
109 { /* give it up */
110 close (fd);
111 return;
112 }
113 if (fstat (fd, &sbuf) == 0)
114 if (write (fd, putmp, sizeof (struct utmp)) != sizeof (struct utmp))
115 ftruncate (fd, sbuf.st_size); /* remove bad writes */
116
117 lck.l_type = F_UNLCK; /* unlocking the file */
118 fcntl (fd, F_SETLK, &lck);
119 close (fd);
120}
121#endif
122
123/* ------------------------------------------------------------------------- */
124#ifdef LASTLOG_SUPPORT
125static void
126update_lastlog (const char *fname, const char *pty, const char *host)
127{
128# if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX)
129 struct lastlogx llx;
130# endif
131# ifdef HAVE_STRUCT_LASTLOG
132 int fd;
133 struct lastlog ll;
134 char lastlogfile[256];
135 struct passwd *pwent;
136 struct stat st;
137# endif
138
139# if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX)
140 memset (&llx, 0, sizeof (llx));
141 llx.ll_tv.tv_sec = time (NULL);
142 llx.ll_tv.tv_usec = 0;
143 strncpy (llx.ll_line, pty, sizeof (llx.ll_line));
144 strncpy (llx.ll_host, host, sizeof (llx.ll_host));
145 updlastlogx (LASTLOGX_FILE, getuid (), &llx);
146# endif
147
148# ifdef HAVE_STRUCT_LASTLOG
149 pwent = getpwuid (getuid ());
150 if (!pwent)
151 {
152 ptytty_warn ("no entry in password file, not updating lastlog.\n", 0);
153 return;
154 }
155
156 memset (&ll, 0, sizeof (ll));
157 ll.ll_time = time (NULL);
158 strncpy (ll.ll_line, pty, sizeof (ll.ll_line));
159 strncpy (ll.ll_host, host, sizeof (ll.ll_host));
160 if (stat (fname, &st) != 0)
161 return;
162 if (S_ISDIR (st.st_mode))
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 {
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));
181 close (fd);
182 }
183# endif /* HAVE_STRUCT_LASTLOG */
184}
185#endif /* LASTLOG_SUPPORT */
186
187/* ------------------------------------------------------------------------- */
55 188
56/* 189/*
57 * make and write utmp and wtmp entries 190 * make and write utmp and wtmp entries
58 */ 191 */
59/* EXTPROTO */
60void 192void
61rxvt_makeutent(pR_ const char *pty, const char *hostname) 193ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
62{ 194{
63#ifdef HAVE_STRUCT_UTMP 195 const char *pty = name;
64 struct utmp *ut = &(R->h->ut); 196
65#endif 197 if (!pty || !*pty)
198 return;
199
200 this->cmd_pid = cmd_pid;
201 this->login_shell = login_shell;
202
66#ifdef HAVE_STRUCT_UTMPX 203#ifdef HAVE_STRUCT_UTMP
67 struct utmpx *utx = &(R->h->utx); 204 struct utmp *ut = &this->ut;
68#endif 205#endif
69#ifdef HAVE_UTMP_PID
70 int i;
71#endif
72 char ut_id[5];
73 struct passwd *pwent = getpwuid(getuid());
74
75 if (!STRNCMP(pty, "/dev/", 5))
76 pty += 5; /* skip /dev/ prefix */
77
78 if (!STRNCMP(pty, "pty", 3) || !STRNCMP(pty, "tty", 3)) {
79 STRNCPY(ut_id, (pty + 3), sizeof(ut_id));
80 }
81#ifdef HAVE_UTMP_PID
82 else if (sscanf(pty, "pts/%d", &i) == 1)
83 sprintf(ut_id, "vt%02x", (i & 0xff)); /* sysv naming */
84#endif
85 else if (STRNCMP(pty, "pty", 3) && STRNCMP(pty, "tty", 3)) {
86 rxvt_print_error("can't parse tty name \"%s\"", pty);
87 return;
88 }
89
90#ifdef HAVE_STRUCT_UTMP 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
91 MEMSET(ut, 0, sizeof(struct utmp)); 228 memset (ut, 0, sizeof (struct utmp));
92# ifdef HAVE_UTMP_PID 229# ifdef HAVE_UTMP_PID
93 setutent(); 230 setutent ();
94 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 231 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
95 ut->ut_type = DEAD_PROCESS; 232 ut->ut_type = DEAD_PROCESS;
96 getutid(ut); /* position to entry in utmp file */ 233 getutid (ut); /* position to entry in utmp file */
97 STRNCPY(R->h->ut_id, ut_id, sizeof(R->h->ut_id)); 234 strncpy (this->ut_id, ut_id, sizeof (this->ut_id));
98# endif
99#endif 235# 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(R->h->ut_id, ut_id, sizeof(R->h->ut_id));
108#endif 236#endif
109 237
110#ifdef HAVE_STRUCT_UTMP 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
111 STRNCPY(ut->ut_line, pty, sizeof(ut->ut_line)); 248 strncpy (ut->ut_line, pty, sizeof (ut->ut_line));
112 ut->ut_time = time(NULL); 249 ut->ut_time = time (NULL);
113# ifdef HAVE_UTMP_PID 250# ifdef HAVE_UTMP_PID
114 STRNCPY(ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 251 strncpy (ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
115 sizeof(ut->ut_user)); 252 sizeof (ut->ut_user));
116 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 253 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
117 ut->ut_time = time(NULL); 254 ut->ut_time = time (NULL);
118 ut->ut_pid = R->h->cmd_pid; 255 ut->ut_pid = cmd_pid;
119# ifdef HAVE_UTMP_HOST 256# ifdef HAVE_UTMP_HOST
120 STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); 257 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
121# endif 258# endif
122 ut->ut_type = USER_PROCESS; 259 ut->ut_type = USER_PROCESS;
123 pututline(ut); 260 pututline (ut);
124 endutent(); /* close the file */ 261 endutent (); /* close the file */
125 R->h->utmp_pos = 0; 262 utmp_pos = 0;
126# else 263# else
127 STRNCPY(ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 264 strncpy (ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
128 sizeof(ut->ut_name)); 265 sizeof (ut->ut_name));
129# ifdef HAVE_UTMP_HOST 266# ifdef HAVE_UTMP_HOST
130 STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); 267 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
131# endif
132# endif 268# endif
133#endif 269# endif
270#endif
134 271
135#ifdef HAVE_STRUCT_UTMPX 272#ifdef HAVE_STRUCT_UTMPX
136 STRNCPY(utx->ut_line, pty, sizeof(utx->ut_line)); 273 strncpy (utx->ut_line, pty, sizeof (utx->ut_line));
137 STRNCPY(utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 274 strncpy (utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
138 sizeof(utx->ut_user)); 275 sizeof (utx->ut_user));
139 STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id)); 276 strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
277# if HAVE_UTMPX_SESSION
140 utx->ut_session = getsid(0); 278 utx->ut_session = getsid (0);
279# endif
141 utx->ut_tv.tv_sec = time(NULL); 280 utx->ut_tv.tv_sec = time (NULL);
142 utx->ut_tv.tv_usec = 0; 281 utx->ut_tv.tv_usec = 0;
143 utx->ut_pid = R->h->cmd_pid; 282 utx->ut_pid = cmd_pid;
144# ifdef HAVE_UTMPX_HOST 283# ifdef HAVE_UTMPX_HOST
145 STRNCPY(utx->ut_host, hostname, sizeof(utx->ut_host)); 284 strncpy (utx->ut_host, hostname, sizeof (utx->ut_host));
146# if 0 285# if 0
147 { 286 {
148 char *colon; 287 char *colon;
149 288
150 if ((colon = STRRCHR(ut->ut_host, ':')) != NULL) 289 if ((colon = strrchr (ut->ut_host, ':')) != NULL)
151 *colon = '\0'; 290 *colon = '\0';
152 } 291 }
153# endif
154# endif 292# endif
293# endif
155 utx->ut_type = USER_PROCESS; 294 utx->ut_type = USER_PROCESS;
156 pututxline(utx); 295 pututxline (utx);
157 endutxent(); /* close the file */ 296 endutxent (); /* close the file */
158 R->h->utmp_pos = 0; 297 utmp_pos = 0;
159#endif 298#endif
160 299
161#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) 300#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
162 { 301 {
163 int i; 302# if 1
164# ifdef HAVE_TTYSLOT 303 int fdstdin = dup (STDIN_FILENO);
304 dup2 (tty, STDIN_FILENO);
305
165 i = ttyslot(); 306 i = ttyslot ();
166 if (rxvt_write_bsd_utmp(i, ut))
167 R->h->utmp_pos = i;
168# else
169 FILE *fd0;
170
171 if ((fd0 = fopen(TTYTAB_FILENAME, "r")) != NULL) {
172 char buf[256], name[256];
173
174 buf[sizeof(buf) - 1] = '\0';
175 for (i = 1; (fgets(buf, sizeof(buf) - 1, fd0) != NULL);) {
176 if (*buf == '#' || sscanf(buf, "%s", name) != 1)
177 continue;
178 if (!STRCMP(ut->ut_line, name)) {
179 if (!rxvt_write_bsd_utmp(i, ut)) 307 if (write_bsd_utmp (i, ut))
180 i = 0; 308 utmp_pos = i;
181 R->h->utmp_pos = i; 309
182 fclose(fd0); 310 dup2 (fdstdin, STDIN_FILENO);
183 break; 311 close (fdstdin);
184 }
185 i++;
186 }
187 fclose(fd0);
188 }
189# endif 312# endif
190 } 313 }
191#endif 314#endif
192 315
193#ifdef WTMP_SUPPORT 316#ifdef WTMP_SUPPORT
194# ifdef WTMP_ONLY_ON_LOGIN 317#ifdef LOG_ONLY_ON_LOGIN
195 if (R->Options & Opt_loginShell) 318 if (login_shell)
196# endif 319#endif
197 { 320 {
198# ifdef HAVE_STRUCT_UTMP 321# ifdef HAVE_STRUCT_UTMP
199# ifdef HAVE_UPDWTMP 322# ifdef HAVE_UPDWTMP
200 updwtmp(RXVT_WTMP_FILE, ut); 323 updwtmp (WTMP_FILE, ut);
201# else 324# else
202 rxvt_update_wtmp(RXVT_WTMP_FILE, ut); 325 update_wtmp (WTMP_FILE, ut);
203# endif
204# endif 326# endif
205# ifdef HAVE_STRUCT_UTMPX
206 updwtmpx(RXVT_WTMPX_FILE, utx);
207# endif
208 }
209#endif 327# endif
328# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
329 updwtmpx (WTMPX_FILE, utx);
330# endif
331 }
332#endif
210#if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) 333#if defined(LASTLOG_SUPPORT) && defined(LASTLOG_FILE)
211 if (R->Options & Opt_loginShell) 334#ifdef LOG_ONLY_ON_LOGIN
335 if (login_shell)
336#endif
212 rxvt_update_lastlog(RXVT_LASTLOG_FILE, pty, hostname); 337 update_lastlog (LASTLOG_FILE, pty, hostname);
213#endif 338#endif
214} 339}
215 340
216/* ------------------------------------------------------------------------- */ 341/* ------------------------------------------------------------------------- */
217/* 342/*
218 * remove utmp and wtmp entries 343 * remove utmp and wtmp entries
219 */ 344 */
220/* EXTPROTO */
221void 345void
222rxvt_cleanutent(pR) 346ptytty_unix::logout ()
223{ 347{
224#ifdef HAVE_STRUCT_UTMP 348 if (!cmd_pid)
225 struct utmp *ut = &(R->h->ut); 349 return;
226#endif 350
227#ifdef HAVE_STRUCT_UTMPX 351#ifdef HAVE_STRUCT_UTMP
352 struct utmp *tmput, *ut = &this->ut;
353#endif
354#ifdef HAVE_STRUCT_UTMPX
228 struct utmpx *tmputx, *utx = &(R->h->utx); 355 struct utmpx *tmputx, *utx = &this->utx;
229#endif 356#endif
230 357
231#ifdef HAVE_STRUCT_UTMP 358#ifdef HAVE_STRUCT_UTMP
232# ifdef HAVE_UTMP_PID 359# ifdef HAVE_UTMP_PID
233 MEMSET(ut, 0, sizeof(struct utmp)); 360 memset (ut, 0, sizeof (struct utmp));
234 setutent(); 361 setutent ();
235 STRNCPY(ut->ut_id, R->h->ut_id, sizeof(ut->ut_id)); 362 strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id));
236 ut->ut_type = USER_PROCESS; 363 ut->ut_type = USER_PROCESS;
237 {
238 struct utmp *tmput = getutid(ut);
239
240 if (tmput) /* position to entry in utmp file */ 364 if ((tmput = getutid (ut))) /* position to entry in utmp file */
241 ut = tmput; 365 ut = tmput;
242 }
243 ut->ut_type = DEAD_PROCESS; 366 ut->ut_type = DEAD_PROCESS;
244# else 367# else
245 MEMSET(ut->ut_name, 0, sizeof(ut->ut_name)); 368 memset (ut->ut_name, 0, sizeof (ut->ut_name));
246# ifdef HAVE_UTMP_HOST 369# ifdef HAVE_UTMP_HOST
247 MEMSET(ut->ut_host, 0, sizeof(ut->ut_host)); 370 memset (ut->ut_host, 0, sizeof (ut->ut_host));
248# endif
249# endif 371# endif
372# endif
250 ut->ut_time = time(NULL); 373 ut->ut_time = time (NULL);
251#endif 374#endif
252 375
253#ifdef HAVE_STRUCT_UTMPX 376#ifdef HAVE_STRUCT_UTMPX
254 MEMSET(utx, 0, sizeof(struct utmpx)); 377 memset (utx, 0, sizeof (struct utmpx));
255 setutxent(); 378 setutxent ();
256 STRNCPY(utx->ut_id, R->h->ut_id, sizeof(utx->ut_id)); 379 strncpy (utx->ut_id, this->ut_id, sizeof (utx->ut_id));
257 utx->ut_type = USER_PROCESS; 380 utx->ut_type = USER_PROCESS;
258 if ((tmputx = getutxid(utx))) /* position to entry in utmp file */ 381 if ((tmputx = getutxid (utx))) /* position to entry in utmp file */
259 utx = tmputx; 382 utx = tmputx;
260 utx->ut_type = DEAD_PROCESS; 383 utx->ut_type = DEAD_PROCESS;
384# if HAVE_UTMPX_SESSION
261 utx->ut_session = getsid(0); 385 utx->ut_session = getsid (0);
386# endif
262 utx->ut_tv.tv_sec = time(NULL); 387 utx->ut_tv.tv_sec = time (NULL);
263 utx->ut_tv.tv_usec = 0; 388 utx->ut_tv.tv_usec = 0;
264#endif 389#endif
265 390
266 /* 391 /*
267 * Write ending wtmp entry 392 * Write ending wtmp entry
268 */ 393 */
269#ifdef WTMP_SUPPORT 394#ifdef WTMP_SUPPORT
270# ifdef WTMP_ONLY_ON_LOGIN 395#ifdef LOG_ONLY_ON_LOGIN
271 if (R->Options & Opt_loginShell) 396 if (login_shell)
272# endif 397#endif
273 { 398 {
274# ifdef HAVE_STRUCT_UTMP 399# ifdef HAVE_STRUCT_UTMP
275# ifdef HAVE_UPDWTMP 400# ifdef HAVE_UPDWTMP
276 updwtmp(RXVT_WTMP_FILE, ut); 401 updwtmp (WTMP_FILE, ut);
277# else 402# else
278 rxvt_update_wtmp(RXVT_WTMP_FILE, ut); 403 update_wtmp (WTMP_FILE, ut);
279# endif
280# endif 404# endif
281# ifdef HAVE_STRUCT_UTMPX
282 updwtmpx(RXVT_WTMPX_FILE, utx);
283# endif
284 }
285#endif 405# endif
406# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
407 updwtmpx (WTMPX_FILE, utx);
408# endif
409 }
410#endif
286 411
287 /* 412 /*
288 * Write utmp entry 413 * Write utmp entry
289 */ 414 */
290#ifdef HAVE_STRUCT_UTMP 415#ifdef HAVE_STRUCT_UTMP
291# ifdef HAVE_UTMP_PID 416# ifdef HAVE_UTMP_PID
292 if (ut->ut_pid == R->h->cmd_pid) 417 if (ut->ut_pid == cmd_pid)
293 pututline(ut); 418 pututline (ut);
294 endutent(); 419 endutent ();
295# else 420# else
296 MEMSET(ut, 0, sizeof(struct utmp)); 421 memset (ut, 0, sizeof (struct utmp));
297 rxvt_write_bsd_utmp(R->h->utmp_pos, ut); 422 write_bsd_utmp (utmp_pos, ut);
298# endif
299#endif 423# endif
424#endif
300#ifdef HAVE_STRUCT_UTMPX 425#ifdef HAVE_STRUCT_UTMPX
301 if (utx->ut_pid == R->h->cmd_pid) 426 if (utx->ut_pid == cmd_pid)
302 pututxline(utx); 427 pututxline (utx);
303 endutxent(); 428 endutxent ();
304#endif 429#endif
305}
306 430
307/* ------------------------------------------------------------------------- */ 431 cmd_pid = 0;
308/*
309 * Write a BSD style utmp entry
310 */
311#ifdef HAVE_UTMP_H
312/* INTPROTO */
313int
314rxvt_write_bsd_utmp(int utmp_pos, struct utmp *wu)
315{
316 int fd;
317
318 if (utmp_pos <= 0 || (fd = open(RXVT_UTMP_FILE, O_WRONLY)) == -1)
319 return 0;
320
321 if (lseek(fd, (off_t) (utmp_pos * sizeof(struct utmp)), SEEK_SET) != -1)
322 write(fd, wu, sizeof(struct utmp));
323 close(fd);
324 return 1;
325} 432}
326#endif
327 433
328/* ------------------------------------------------------------------------- */ 434#else
329/*
330 * Update a BSD style wtmp entry
331 */
332#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP)
333/* INTPROTO */
334void 435void
335rxvt_update_wtmp(const char *fname, const struct utmp *putmp) 436ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
336{ 437{
337 int fd, gotlock, retry;
338 struct flock lck; /* fcntl locking scheme */
339 struct stat sbuf;
340
341 if ((fd = open(fname, O_WRONLY | O_APPEND, 0)) < 0)
342 return;
343
344 lck.l_whence = SEEK_END; /* start lock at current eof */
345 lck.l_len = 0; /* end at ``largest possible eof'' */
346 lck.l_start = 0;
347 lck.l_type = F_WRLCK; /* we want a write lock */
348
349 /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */
350 for (retry = 10, gotlock = 0; retry--;)
351 if (fcntl(fd, F_SETLK, &lck) != -1) {
352 gotlock = 1;
353 break;
354 } else if (errno != EAGAIN && errno != EACCES)
355 break;
356 if (!gotlock) { /* give it up */
357 close(fd);
358 return;
359 }
360 if (fstat(fd, &sbuf) == 0)
361 if (write(fd, putmp, sizeof(struct utmp)) != sizeof(struct utmp))
362 ftruncate(fd, sbuf.st_size); /* remove bad writes */
363
364 lck.l_type = F_UNLCK; /* unlocking the file */
365 fcntl(fd, F_SETLK, &lck);
366 close(fd);
367} 438}
368#endif
369
370/* ------------------------------------------------------------------------- */
371#ifdef LASTLOG_SUPPORT
372/* INTPROTO */
373void
374rxvt_update_lastlog(const char *fname, const char *pty, const char *host)
375{
376# ifdef HAVE_STRUCT_LASTLOGX
377 struct lastlogx llx;
378# endif 439#endif
379# ifdef HAVE_STRUCT_LASTLOG
380 int fd;
381 struct lastlog ll;
382# ifdef LASTLOG_IS_DIR
383 char lastlogfile[256];
384# endif
385 struct passwd *pwent;
386# endif
387 440
388# ifdef HAVE_STRUCT_LASTLOGX
389 MEMSET(&llx, 0, sizeof(llx));
390 llx.ll_tv.tv_sec = time(NULL);
391 llx.ll_tv.tv_usec = 0;
392 STRNCPY(llx.ll_line, pty, sizeof(llx.ll_line));
393 STRNCPY(llx.ll_host, host, sizeof(llx.ll_host));
394 updlastlogx(RXVT_LASTLOGX_FILE, getuid(), &llx);
395# endif
396
397# ifdef HAVE_STRUCT_LASTLOG
398 pwent = getpwuid(getuid());
399 if (!pwent) {
400 rxvt_print_error("no entry in password file");
401 return;
402 }
403 MEMSET(&ll, 0, sizeof(ll));
404 ll.ll_time = time(NULL);
405 STRNCPY(ll.ll_line, pty, sizeof(ll.ll_line));
406 STRNCPY(ll.ll_host, host, sizeof(ll.ll_host));
407# ifdef LASTLOG_IS_DIR
408 sprintf(lastlogfile, "%.*s/%.*s",
409 sizeof(lastlogfile) - sizeof(pwent->pw_name) - 2, fname,
410 sizeof(pwent->pw_name),
411 (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown"
412 : pwent->pw_name);
413 if ((fd = open(lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0) {
414 write(fd, &ll, sizeof(ll));
415 close(fd);
416 }
417# else
418 if ((fd = open(fname, O_RDWR)) != -1) {
419 if (lseek(fd, (off_t) ((long)pwent->pw_uid * sizeof(ll)),
420 SEEK_SET) != -1)
421 write(fd, &ll, sizeof(ll));
422 close(fd);
423 }
424# endif /* LASTLOG_IS_DIR */
425# endif /* HAVE_STRUCT_LASTLOG */
426}
427#endif /* LASTLOG_SUPPORT */
428/* ------------------------------------------------------------------------- */
429
430#endif /* UTMP_SUPPORT */

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