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Comparing rxvt-unicode/src/logging.C (file contents):
Revision 1.4 by pcg, Sat Jan 31 00:20:21 2004 UTC vs.
Revision 1.43 by ayin, Mon Nov 19 11:26:34 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 1.4 2004/01/31 00:20:21 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 (int)(sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2), fname,
166 (int)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 */
59void 192void
60rxvt_term::makeutent (const char *pty, const char *hostname) 193ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
61{ 194{
62#ifdef HAVE_STRUCT_UTMP 195 const char *pty = name;
63 struct utmp *ut = &(this->ut); 196
64#endif 197 if (!pty || !*pty)
198 return;
199
200 this->cmd_pid = cmd_pid;
201 this->login_shell = login_shell;
202
65#ifdef HAVE_STRUCT_UTMPX 203#ifdef HAVE_STRUCT_UTMP
66 struct utmpx *utx = &(this->utx); 204 struct utmp *ut = &this->ut;
67#endif 205#endif
68#ifdef HAVE_UTMP_PID
69 int i;
70#endif
71 char ut_id[5];
72 struct passwd *pwent = getpwuid(getuid());
73
74 if (!STRNCMP(pty, "/dev/", 5))
75 pty += 5; /* skip /dev/ prefix */
76
77 if (!STRNCMP(pty, "pty", 3) || !STRNCMP(pty, "tty", 3)) {
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 rxvt_print_error("can't parse tty name \"%s\"", pty);
86 return;
87 }
88
89#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 const char *name = (pwent && pwent->pw_name) ? pwent->pw_name : "?";
212
213 if (!strncmp (pty, "/dev/", 5))
214 pty += 5; /* skip /dev/ prefix */
215
216#if defined(HAVE_UTMP_PID) || defined(HAVE_STRUCT_UTMPX)
217 if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3))
218 strncpy (ut_id, pty + 3, sizeof (ut_id));
219 else if (sscanf (pty, "pts/%d", &i) == 1)
220 sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */
221 else if (strncmp (pty, "pty", 3) && strncmp (pty, "tty", 3))
222 {
223 ptytty_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty);
224 return;
225 }
226#endif
227
228#ifdef HAVE_STRUCT_UTMP
90 MEMSET(ut, 0, sizeof(struct utmp)); 229 memset (ut, 0, sizeof (struct utmp));
91# ifdef HAVE_UTMP_PID 230# ifdef HAVE_UTMP_PID
92 setutent(); 231 setutent ();
93 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 232 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
94 ut->ut_type = DEAD_PROCESS; 233 ut->ut_type = DEAD_PROCESS;
95 getutid(ut); /* position to entry in utmp file */ 234 getutid (ut); /* position to entry in utmp file */
96 STRNCPY(ut_id, ut_id, sizeof(ut_id)); 235 strncpy (this->ut_id, ut_id, sizeof (this->ut_id));
97# endif
98#endif 236# endif
99
100#ifdef HAVE_STRUCT_UTMPX
101 MEMSET(utx, 0, sizeof(struct utmpx));
102 setutxent();
103 STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id));
104 utx->ut_type = DEAD_PROCESS;
105 getutxid(utx); /* position to entry in utmp file */
106 STRNCPY(ut_id, ut_id, sizeof(ut_id));
107#endif 237#endif
108 238
109#ifdef HAVE_STRUCT_UTMP 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 strncpy (this->ut_id, ut_id, sizeof (this->ut_id));
246#endif
247
248#ifdef HAVE_STRUCT_UTMP
110 STRNCPY(ut->ut_line, pty, sizeof(ut->ut_line)); 249 strncpy (ut->ut_line, pty, sizeof (ut->ut_line));
111 ut->ut_time = time(NULL); 250 ut->ut_time = time (NULL);
112# ifdef HAVE_UTMP_PID 251# ifdef HAVE_UTMP_PID
113 STRNCPY(ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 252 strncpy (ut->ut_user, name, sizeof (ut->ut_user));
114 sizeof(ut->ut_user));
115 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 253 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
116 ut->ut_time = time(NULL); 254 ut->ut_time = time (NULL);
117 ut->ut_pid = cmd_pid; 255 ut->ut_pid = cmd_pid;
118# ifdef HAVE_UTMP_HOST 256# ifdef HAVE_UTMP_HOST
119 STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); 257 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
120# endif 258# endif
121 ut->ut_type = USER_PROCESS; 259 ut->ut_type = USER_PROCESS;
122 pututline(ut); 260 pututline (ut);
123 endutent(); /* close the file */ 261 endutent (); /* close the file */
124 utmp_pos = 0; 262 utmp_pos = 0;
125# else 263# else
126 STRNCPY(ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 264 strncpy (ut->ut_name, name, sizeof (ut->ut_name));
127 sizeof(ut->ut_name));
128# ifdef HAVE_UTMP_HOST 265# ifdef HAVE_UTMP_HOST
129 STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); 266 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
130# endif
131# endif 267# endif
132#endif 268# endif
269#endif
133 270
134#ifdef HAVE_STRUCT_UTMPX 271#ifdef HAVE_STRUCT_UTMPX
135 STRNCPY(utx->ut_line, pty, sizeof(utx->ut_line)); 272 strncpy (utx->ut_line, pty, sizeof (utx->ut_line));
136 STRNCPY(utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 273 strncpy (utx->ut_user, name, sizeof (utx->ut_user));
137 sizeof(utx->ut_user));
138 STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id)); 274 strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
275# if HAVE_UTMPX_SESSION
139 utx->ut_session = getsid(0); 276 utx->ut_session = getsid (0);
277# endif
140 utx->ut_tv.tv_sec = time(NULL); 278 utx->ut_tv.tv_sec = time (NULL);
141 utx->ut_tv.tv_usec = 0; 279 utx->ut_tv.tv_usec = 0;
142 utx->ut_pid = cmd_pid; 280 utx->ut_pid = cmd_pid;
143# ifdef HAVE_UTMPX_HOST 281# ifdef HAVE_UTMPX_HOST
144 STRNCPY(utx->ut_host, hostname, sizeof(utx->ut_host)); 282 strncpy (utx->ut_host, hostname, sizeof (utx->ut_host));
145# if 0 283# if 0
146 { 284 {
147 char *colon; 285 char *colon;
148 286
149 if ((colon = STRRCHR(ut->ut_host, ':')) != NULL) 287 if ((colon = strrchr (ut->ut_host, ':')) != NULL)
150 *colon = '\0'; 288 *colon = '\0';
151 } 289 }
152# endif
153# endif 290# endif
291# endif
154 utx->ut_type = USER_PROCESS; 292 utx->ut_type = USER_PROCESS;
155 pututxline(utx); 293 pututxline (utx);
156 endutxent(); /* close the file */ 294 endutxent (); /* close the file */
157 utmp_pos = 0; 295 utmp_pos = 0;
158#endif 296#endif
159 297
160#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) 298#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
161 { 299 {
162 int i; 300# if 1
163# ifdef HAVE_TTYSLOT 301 int fdstdin = dup (STDIN_FILENO);
302 dup2 (tty, STDIN_FILENO);
303
164 i = ttyslot(); 304 i = ttyslot ();
165 if (rxvt_write_bsd_utmp(i, ut)) 305 if (write_bsd_utmp (i, ut))
166 utmp_pos = i; 306 utmp_pos = i;
167# else
168 FILE *fd0;
169 307
170 if ((fd0 = fopen(TTYTAB_FILENAME, "r")) != NULL) { 308 dup2 (fdstdin, STDIN_FILENO);
171 char buf[256], name[256]; 309 close (fdstdin);
172
173 buf[sizeof(buf) - 1] = '\0';
174 for (i = 1; (fgets(buf, sizeof(buf) - 1, fd0) != NULL);) {
175 if (*buf == '#' || sscanf(buf, "%s", name) != 1)
176 continue;
177 if (!STRCMP(ut->ut_line, name)) {
178 if (!rxvt_write_bsd_utmp(i, ut))
179 i = 0;
180 utmp_pos = i;
181 fclose(fd0);
182 break;
183 }
184 i++;
185 }
186 fclose(fd0);
187 }
188# endif 310# endif
189 } 311 }
190#endif 312#endif
191 313
192#ifdef WTMP_SUPPORT 314#ifdef WTMP_SUPPORT
193# ifdef WTMP_ONLY_ON_LOGIN 315#ifdef LOG_ONLY_ON_LOGIN
194 if (Options & Opt_loginShell) 316 if (login_shell)
195# endif 317#endif
196 { 318 {
197# ifdef HAVE_STRUCT_UTMP 319# ifdef HAVE_STRUCT_UTMP
198# ifdef HAVE_UPDWTMP 320# ifdef HAVE_UPDWTMP
199 updwtmp(RXVT_WTMP_FILE, ut); 321 updwtmp (WTMP_FILE, ut);
200# else 322# else
201 rxvt_update_wtmp(RXVT_WTMP_FILE, ut); 323 update_wtmp (WTMP_FILE, ut);
202# endif
203# endif 324# endif
204# ifdef HAVE_STRUCT_UTMPX
205 updwtmpx(RXVT_WTMPX_FILE, utx);
206# endif
207 }
208#endif 325# endif
326# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
327 updwtmpx (WTMPX_FILE, utx);
328# endif
329 }
330#endif
209#if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) 331#if defined(LASTLOG_SUPPORT) && defined(LASTLOG_FILE)
210 if (Options & Opt_loginShell) 332#ifdef LOG_ONLY_ON_LOGIN
333 if (login_shell)
334#endif
211 rxvt_update_lastlog(RXVT_LASTLOG_FILE, pty, hostname); 335 update_lastlog (LASTLOG_FILE, pty, hostname);
212#endif 336#endif
213} 337}
214 338
215/* ------------------------------------------------------------------------- */ 339/* ------------------------------------------------------------------------- */
216/* 340/*
217 * remove utmp and wtmp entries 341 * remove utmp and wtmp entries
218 */ 342 */
219void 343void
220rxvt_term::cleanutent () 344ptytty_unix::logout ()
221{ 345{
222#ifdef HAVE_STRUCT_UTMP 346 if (!cmd_pid)
223 struct utmp *ut = &(this->ut); 347 return;
224#endif 348
225#ifdef HAVE_STRUCT_UTMPX 349#ifdef HAVE_STRUCT_UTMP
350 struct utmp *tmput, *ut = &this->ut;
351#endif
352#ifdef HAVE_STRUCT_UTMPX
226 struct utmpx *tmputx, *utx = &(this->utx); 353 struct utmpx *tmputx, *utx = &this->utx;
227#endif 354#endif
228 355
229#ifdef HAVE_STRUCT_UTMP 356#ifdef HAVE_STRUCT_UTMP
230# ifdef HAVE_UTMP_PID 357# ifdef HAVE_UTMP_PID
231 MEMSET(ut, 0, sizeof(struct utmp)); 358 memset (ut, 0, sizeof (struct utmp));
232 setutent(); 359 setutent ();
233 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 360 strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id));
234 ut->ut_type = USER_PROCESS; 361 ut->ut_type = USER_PROCESS;
235 {
236 struct utmp *tmput = getutid(ut);
237
238 if (tmput) /* position to entry in utmp file */ 362 if ((tmput = getutid (ut))) /* position to entry in utmp file */
239 ut = tmput; 363 ut = tmput;
240 }
241 ut->ut_type = DEAD_PROCESS; 364 ut->ut_type = DEAD_PROCESS;
242# else 365# else
243 MEMSET(ut->ut_name, 0, sizeof(ut->ut_name)); 366 memset (ut->ut_name, 0, sizeof (ut->ut_name));
244# ifdef HAVE_UTMP_HOST 367# ifdef HAVE_UTMP_HOST
245 MEMSET(ut->ut_host, 0, sizeof(ut->ut_host)); 368 memset (ut->ut_host, 0, sizeof (ut->ut_host));
246# endif
247# endif 369# endif
370# endif
248 ut->ut_time = time(NULL); 371 ut->ut_time = time (NULL);
249#endif 372#endif
250 373
251#ifdef HAVE_STRUCT_UTMPX 374#ifdef HAVE_STRUCT_UTMPX
252 MEMSET(utx, 0, sizeof(struct utmpx)); 375 memset (utx, 0, sizeof (struct utmpx));
253 setutxent(); 376 setutxent ();
254 STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id)); 377 strncpy (utx->ut_id, this->ut_id, sizeof (utx->ut_id));
255 utx->ut_type = USER_PROCESS; 378 utx->ut_type = USER_PROCESS;
256 if ((tmputx = getutxid(utx))) /* position to entry in utmp file */ 379 if ((tmputx = getutxid (utx))) /* position to entry in utmp file */
257 utx = tmputx; 380 utx = tmputx;
258 utx->ut_type = DEAD_PROCESS; 381 utx->ut_type = DEAD_PROCESS;
382# if HAVE_UTMPX_SESSION
259 utx->ut_session = getsid(0); 383 utx->ut_session = getsid (0);
384# endif
260 utx->ut_tv.tv_sec = time(NULL); 385 utx->ut_tv.tv_sec = time (NULL);
261 utx->ut_tv.tv_usec = 0; 386 utx->ut_tv.tv_usec = 0;
262#endif 387#endif
263 388
264 /* 389 /*
265 * Write ending wtmp entry 390 * Write ending wtmp entry
266 */ 391 */
267#ifdef WTMP_SUPPORT 392#ifdef WTMP_SUPPORT
268# ifdef WTMP_ONLY_ON_LOGIN 393#ifdef LOG_ONLY_ON_LOGIN
269 if (Options & Opt_loginShell) 394 if (login_shell)
270# endif 395#endif
271 { 396 {
272# ifdef HAVE_STRUCT_UTMP 397# ifdef HAVE_STRUCT_UTMP
273# ifdef HAVE_UPDWTMP 398# ifdef HAVE_UPDWTMP
274 updwtmp(RXVT_WTMP_FILE, ut); 399 updwtmp (WTMP_FILE, ut);
275# else 400# else
276 rxvt_update_wtmp(RXVT_WTMP_FILE, ut); 401 update_wtmp (WTMP_FILE, ut);
277# endif
278# endif 402# endif
279# ifdef HAVE_STRUCT_UTMPX
280 updwtmpx(RXVT_WTMPX_FILE, utx);
281# endif
282 }
283#endif 403# endif
404# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
405 updwtmpx (WTMPX_FILE, utx);
406# endif
407 }
408#endif
284 409
285 /* 410 /*
286 * Write utmp entry 411 * Write utmp entry
287 */ 412 */
288#ifdef HAVE_STRUCT_UTMP 413#ifdef HAVE_STRUCT_UTMP
289# ifdef HAVE_UTMP_PID 414# ifdef HAVE_UTMP_PID
290 if (ut->ut_pid == cmd_pid) 415 if (ut->ut_pid == cmd_pid)
291 pututline(ut); 416 pututline (ut);
292 endutent(); 417 endutent ();
293# else 418# else
294 MEMSET(ut, 0, sizeof(struct utmp)); 419 memset (ut, 0, sizeof (struct utmp));
295 rxvt_write_bsd_utmp(utmp_pos, ut); 420 write_bsd_utmp (utmp_pos, ut);
296# endif
297#endif 421# endif
422#endif
298#ifdef HAVE_STRUCT_UTMPX 423#ifdef HAVE_STRUCT_UTMPX
299 if (utx->ut_pid == cmd_pid) 424 if (utx->ut_pid == cmd_pid)
300 pututxline(utx); 425 pututxline (utx);
301 endutxent(); 426 endutxent ();
302#endif 427#endif
303}
304 428
305/* ------------------------------------------------------------------------- */ 429 cmd_pid = 0;
306/*
307 * Write a BSD style utmp entry
308 */
309#ifdef HAVE_UTMP_H
310/* INTPROTO */
311int
312rxvt_write_bsd_utmp(int utmp_pos, struct utmp *wu)
313{
314 int fd;
315
316 if (utmp_pos <= 0 || (fd = open(RXVT_UTMP_FILE, O_WRONLY)) == -1)
317 return 0;
318
319 if (lseek(fd, (off_t) (utmp_pos * sizeof(struct utmp)), SEEK_SET) != -1)
320 write(fd, wu, sizeof(struct utmp));
321 close(fd);
322 return 1;
323} 430}
324#endif
325 431
326/* ------------------------------------------------------------------------- */ 432#else
327/*
328 * Update a BSD style wtmp entry
329 */
330#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP)
331/* INTPROTO */
332void 433void
333rxvt_update_wtmp(const char *fname, const struct utmp *putmp) 434ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
334{ 435{
335 int fd, gotlock, retry;
336 struct flock lck; /* fcntl locking scheme */
337 struct stat sbuf;
338
339 if ((fd = open(fname, O_WRONLY | O_APPEND, 0)) < 0)
340 return;
341
342 lck.l_whence = SEEK_END; /* start lock at current eof */
343 lck.l_len = 0; /* end at ``largest possible eof'' */
344 lck.l_start = 0;
345 lck.l_type = F_WRLCK; /* we want a write lock */
346
347 /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */
348 for (retry = 10, gotlock = 0; retry--;)
349 if (fcntl(fd, F_SETLK, &lck) != -1) {
350 gotlock = 1;
351 break;
352 } else if (errno != EAGAIN && errno != EACCES)
353 break;
354 if (!gotlock) { /* give it up */
355 close(fd);
356 return;
357 }
358 if (fstat(fd, &sbuf) == 0)
359 if (write(fd, putmp, sizeof(struct utmp)) != sizeof(struct utmp))
360 ftruncate(fd, sbuf.st_size); /* remove bad writes */
361
362 lck.l_type = F_UNLCK; /* unlocking the file */
363 fcntl(fd, F_SETLK, &lck);
364 close(fd);
365} 436}
366#endif
367
368/* ------------------------------------------------------------------------- */
369#ifdef LASTLOG_SUPPORT
370/* INTPROTO */
371void
372rxvt_update_lastlog(const char *fname, const char *pty, const char *host)
373{
374# ifdef HAVE_STRUCT_LASTLOGX
375 struct lastlogx llx;
376# endif 437#endif
377# ifdef HAVE_STRUCT_LASTLOG
378 int fd;
379 struct lastlog ll;
380# ifdef LASTLOG_IS_DIR
381 char lastlogfile[256];
382# endif
383 struct passwd *pwent;
384# endif
385 438
386# ifdef HAVE_STRUCT_LASTLOGX
387 MEMSET(&llx, 0, sizeof(llx));
388 llx.ll_tv.tv_sec = time(NULL);
389 llx.ll_tv.tv_usec = 0;
390 STRNCPY(llx.ll_line, pty, sizeof(llx.ll_line));
391 STRNCPY(llx.ll_host, host, sizeof(llx.ll_host));
392 updlastlogx(RXVT_LASTLOGX_FILE, getuid(), &llx);
393# endif
394
395# ifdef HAVE_STRUCT_LASTLOG
396 pwent = getpwuid(getuid());
397 if (!pwent) {
398 rxvt_print_error("no entry in password file");
399 return;
400 }
401 MEMSET(&ll, 0, sizeof(ll));
402 ll.ll_time = time(NULL);
403 STRNCPY(ll.ll_line, pty, sizeof(ll.ll_line));
404 STRNCPY(ll.ll_host, host, sizeof(ll.ll_host));
405# ifdef LASTLOG_IS_DIR
406 sprintf(lastlogfile, "%.*s/%.*s",
407 sizeof(lastlogfile) - sizeof(pwent->pw_name) - 2, fname,
408 sizeof(pwent->pw_name),
409 (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown"
410 : pwent->pw_name);
411 if ((fd = open(lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0) {
412 write(fd, &ll, sizeof(ll));
413 close(fd);
414 }
415# else
416 if ((fd = open(fname, O_RDWR)) != -1) {
417 if (lseek(fd, (off_t) ((long)pwent->pw_uid * sizeof(ll)),
418 SEEK_SET) != -1)
419 write(fd, &ll, sizeof(ll));
420 close(fd);
421 }
422# endif /* LASTLOG_IS_DIR */
423# endif /* HAVE_STRUCT_LASTLOG */
424}
425#endif /* LASTLOG_SUPPORT */
426/* ------------------------------------------------------------------------- */
427
428#endif /* UTMP_SUPPORT */

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