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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 1.48 by sf-exg, Wed Jul 21 08:46:13 2010 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#include <cstring>
46
47#include <sys/types.h>
48#include <sys/stat.h>
49#include <fcntl.h>
50#include <unistd.h>
51#include <time.h>
52#include <errno.h>
46 53
47/* 54/*
48 * BSD style utmp entry 55 * BSD style utmp entry
49 * ut_line, ut_name, ut_host, ut_time 56 * ut_line, ut_name, ut_host, ut_time
50 * SYSV style utmp (and utmpx) entry 57 * SYSV style utmp (and utmpx) entry
51 * ut_user, ut_id, ut_line, ut_pid, ut_type, ut_exit, ut_time 58 * ut_user, ut_id, ut_line, ut_pid, ut_type, ut_exit, ut_time
52 */ 59 */
53 60
54/* ------------------------------------------------------------------------- */ 61/* ------------------------------------------------------------------------- */
62/*
63 * Write a BSD style utmp entry
64 */
65#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
66static int
67write_bsd_utmp (int utmp_pos, struct utmp *wu)
68{
69 int fd;
70
71 if (utmp_pos <= 0 || (fd = open (UTMP_FILE, O_WRONLY)) == -1)
72 return 0;
73
74 if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1)
75 write (fd, wu, sizeof (struct utmp));
76 close (fd);
77 return 1;
78}
79#endif
80
81/* ------------------------------------------------------------------------- */
82/*
83 * Update a BSD style wtmp entry
84 */
85#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP)
86static void
87update_wtmp (const char *fname, const struct utmp *putmp)
88{
89 int fd, gotlock, retry;
90 struct flock lck; /* fcntl locking scheme */
91 struct stat sbuf;
92
93 if ((fd = open (fname, O_WRONLY | O_APPEND, 0)) < 0)
94 return;
95
96 lck.l_whence = SEEK_END; /* start lock at current eof */
97 lck.l_len = 0; /* end at ``largest possible eof'' */
98 lck.l_start = 0;
99 lck.l_type = F_WRLCK; /* we want a write lock */
100
101 /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */
102 for (retry = 10, gotlock = 0; retry--;)
103 if (fcntl (fd, F_SETLK, &lck) != -1)
104 {
105 gotlock = 1;
106 break;
107 }
108 else if (errno != EAGAIN && errno != EACCES)
109 break;
110 if (!gotlock)
111 {
112 /* give it up */
113 close (fd);
114 return;
115 }
116 if (fstat (fd, &sbuf) == 0)
117 if (write (fd, putmp, sizeof (struct utmp)) != sizeof (struct utmp))
118 ftruncate (fd, sbuf.st_size); /* remove bad writes */
119
120 lck.l_type = F_UNLCK; /* unlocking the file */
121 fcntl (fd, F_SETLK, &lck);
122 close (fd);
123}
124#endif
125
126/* ------------------------------------------------------------------------- */
127#ifdef LASTLOG_SUPPORT
128static void
129update_lastlog (const char *fname, const char *pty, const char *host)
130{
131# if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX)
132 struct lastlogx llx;
133# endif
134# ifdef HAVE_STRUCT_LASTLOG
135 int fd;
136 struct lastlog ll;
137 char lastlogfile[256];
138 struct passwd *pwent;
139 struct stat st;
140# endif
141
142# if defined(HAVE_STRUCT_LASTLOGX) && defined(HAVE_UPDLASTLOGX)
143 memset (&llx, 0, sizeof (llx));
144 llx.ll_tv.tv_sec = time (NULL);
145 llx.ll_tv.tv_usec = 0;
146 strncpy (llx.ll_line, pty, sizeof (llx.ll_line));
147 strncpy (llx.ll_host, host, sizeof (llx.ll_host));
148 updlastlogx (LASTLOGX_FILE, getuid (), &llx);
149# endif
150
151# ifdef HAVE_STRUCT_LASTLOG
152 pwent = getpwuid (getuid ());
153 if (!pwent)
154 {
155 ptytty_warn ("no entry in password file, not updating lastlog.\n", 0);
156 return;
157 }
158
159 memset (&ll, 0, sizeof (ll));
160 ll.ll_time = time (NULL);
161 strncpy (ll.ll_line, pty, sizeof (ll.ll_line));
162 strncpy (ll.ll_host, host, sizeof (ll.ll_host));
163 if (stat (fname, &st) != 0)
164 return;
165 if (S_ISDIR (st.st_mode))
166 {
167 snprintf (lastlogfile, sizeof (lastlogfile), "%s/%s", fname,
168 (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown"
169 : pwent->pw_name);
170 if ((fd = open (lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0)
171 {
172 write (fd, &ll, sizeof (ll));
173 close (fd);
174 }
175 }
176 else if (S_ISREG (st.st_mode))
177 if ((fd = open (fname, O_RDWR)) != -1)
178 {
179 if (lseek (fd, (off_t) ((long)pwent->pw_uid * sizeof (ll)),
180 SEEK_SET) != -1)
181 write (fd, &ll, sizeof (ll));
182 close (fd);
183 }
184# endif /* HAVE_STRUCT_LASTLOG */
185}
186#endif /* LASTLOG_SUPPORT */
187
188/* ------------------------------------------------------------------------- */
55 189
56/* 190/*
57 * make and write utmp and wtmp entries 191 * make and write utmp and wtmp entries
58 */ 192 */
59/* EXTPROTO */
60void 193void
61rxvt_makeutent(pR_ const char *pty, const char *hostname) 194ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
62{ 195{
63#ifdef HAVE_STRUCT_UTMP 196 const char *pty = name;
64 struct utmp *ut = &(R->h->ut); 197
65#endif 198 if (!pty || !*pty)
199 return;
200
201 this->cmd_pid = cmd_pid;
202 this->login_shell = login_shell;
203
66#ifdef HAVE_STRUCT_UTMPX 204#ifdef HAVE_STRUCT_UTMP
67 struct utmpx *utx = &(R->h->utx); 205 struct utmp *ut = &this->ut;
68#endif 206#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 207#ifdef HAVE_STRUCT_UTMPX
208 struct utmpx *utx = &this->utx;
209#endif
210 int i;
211 struct passwd *pwent = getpwuid (getuid ());
212 const char *name = (pwent && pwent->pw_name) ? pwent->pw_name : "?";
213
214 if (!strncmp (pty, "/dev/", 5))
215 pty += 5; /* skip /dev/ prefix */
216
217#if defined(HAVE_UTMP_PID) || defined(HAVE_STRUCT_UTMPX)
218 if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3))
219 strncpy (ut_id, pty + 3, sizeof (ut_id));
220 else if (sscanf (pty, "pts/%d", &i) == 1)
221 sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */
222 else
223 {
224 ptytty_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty);
225 return;
226 }
227#endif
228
229#ifdef HAVE_STRUCT_UTMP
91 MEMSET(ut, 0, sizeof(struct utmp)); 230 memset (ut, 0, sizeof (struct utmp));
92# ifdef HAVE_UTMP_PID 231# ifdef HAVE_UTMP_PID
93 setutent(); 232 setutent ();
94 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 233 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
95 ut->ut_type = DEAD_PROCESS; 234 ut->ut_type = DEAD_PROCESS;
96 getutid(ut); /* position to entry in utmp file */ 235 getutid (ut); /* position to entry in utmp file */
97 STRNCPY(R->h->ut_id, ut_id, sizeof(R->h->ut_id));
98# endif
99#endif 236# 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 237#endif
109 238
110#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#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));
249# ifdef HAVE_UTMP_HOST
250 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
251# endif
112 ut->ut_time = time(NULL); 252 ut->ut_time = time (NULL);
113# ifdef HAVE_UTMP_PID 253# ifdef HAVE_UTMP_PID
114 STRNCPY(ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 254 strncpy (ut->ut_user, name, sizeof (ut->ut_user));
115 sizeof(ut->ut_user));
116 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 255 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
117 ut->ut_time = time(NULL);
118 ut->ut_pid = R->h->cmd_pid; 256 ut->ut_pid = cmd_pid;
257 ut->ut_type = USER_PROCESS;
258 pututline (ut);
259 endutent (); /* close the file */
260 utmp_pos = 0;
261# else
262 strncpy (ut->ut_name, name, sizeof (ut->ut_name));
263# endif
264#endif
265
266#ifdef HAVE_STRUCT_UTMPX
267 strncpy (utx->ut_line, pty, sizeof (utx->ut_line));
268 strncpy (utx->ut_user, name, sizeof (utx->ut_user));
269 strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
270# if HAVE_UTMPX_SESSION
271 utx->ut_session = getsid (0);
272# endif
273 utx->ut_tv.tv_sec = time (NULL);
274 utx->ut_tv.tv_usec = 0;
275 utx->ut_pid = cmd_pid;
119# ifdef HAVE_UTMP_HOST 276# ifdef HAVE_UTMPX_HOST
120 STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); 277 strncpy (utx->ut_host, hostname, sizeof (utx->ut_host));
278# if 0
279 {
280 char *colon;
281
282 if ((colon = strrchr (ut->ut_host, ':')) != NULL)
283 *colon = '\0';
284 }
121# endif 285# endif
122 ut->ut_type = USER_PROCESS;
123 pututline(ut);
124 endutent(); /* close the file */
125 R->h->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 286# 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 = R->h->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; 287 utx->ut_type = USER_PROCESS;
156 pututxline(utx); 288 pututxline (utx);
157 endutxent(); /* close the file */ 289 endutxent (); /* close the file */
158 R->h->utmp_pos = 0; 290 utmp_pos = 0;
159#endif 291#endif
160 292
161#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) 293#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
162 { 294 {
163 int i; 295# if 1
164# ifdef HAVE_TTYSLOT 296 int fdstdin = dup (STDIN_FILENO);
297 dup2 (tty, STDIN_FILENO);
298
165 i = ttyslot(); 299 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)) 300 if (write_bsd_utmp (i, ut))
180 i = 0; 301 utmp_pos = i;
181 R->h->utmp_pos = i; 302
182 fclose(fd0); 303 dup2 (fdstdin, STDIN_FILENO);
183 break; 304 close (fdstdin);
184 }
185 i++;
186 }
187 fclose(fd0);
188 }
189# endif 305# endif
190 } 306 }
191#endif 307#endif
192 308
193#ifdef WTMP_SUPPORT 309#ifdef WTMP_SUPPORT
194# ifdef WTMP_ONLY_ON_LOGIN 310#ifdef LOG_ONLY_ON_LOGIN
195 if (R->Options & Opt_loginShell) 311 if (login_shell)
196# endif 312#endif
197 { 313 {
198# ifdef HAVE_STRUCT_UTMP 314# ifdef HAVE_STRUCT_UTMP
199# ifdef HAVE_UPDWTMP 315# ifdef HAVE_UPDWTMP
200 updwtmp(RXVT_WTMP_FILE, ut); 316 updwtmp (WTMP_FILE, ut);
201# else 317# else
202 rxvt_update_wtmp(RXVT_WTMP_FILE, ut); 318 update_wtmp (WTMP_FILE, ut);
203# endif 319# endif
204# endif 320# endif
205# ifdef HAVE_STRUCT_UTMPX 321# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
206 updwtmpx(RXVT_WTMPX_FILE, utx); 322 updwtmpx (WTMPX_FILE, utx);
207# endif
208 }
209#endif 323# endif
324 }
325#endif
210#if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) 326#if defined(LASTLOG_SUPPORT) && defined(LASTLOG_FILE)
211 if (R->Options & Opt_loginShell) 327#ifdef LOG_ONLY_ON_LOGIN
328 if (login_shell)
329#endif
212 rxvt_update_lastlog(RXVT_LASTLOG_FILE, pty, hostname); 330 update_lastlog (LASTLOG_FILE, pty, hostname);
213#endif 331#endif
214} 332}
215 333
216/* ------------------------------------------------------------------------- */ 334/* ------------------------------------------------------------------------- */
217/* 335/*
218 * remove utmp and wtmp entries 336 * remove utmp and wtmp entries
219 */ 337 */
220/* EXTPROTO */
221void 338void
222rxvt_cleanutent(pR) 339ptytty_unix::logout ()
223{ 340{
224#ifdef HAVE_STRUCT_UTMP 341 if (!cmd_pid)
225 struct utmp *ut = &(R->h->ut); 342 return;
226#endif 343
227#ifdef HAVE_STRUCT_UTMPX 344#ifdef HAVE_STRUCT_UTMP
345 struct utmp *tmput, *ut = &this->ut;
346#endif
347#ifdef HAVE_STRUCT_UTMPX
228 struct utmpx *tmputx, *utx = &(R->h->utx); 348 struct utmpx *tmputx, *utx = &this->utx;
229#endif 349#endif
230 350
231#ifdef HAVE_STRUCT_UTMP 351#ifdef HAVE_STRUCT_UTMP
232# ifdef HAVE_UTMP_PID 352# ifdef HAVE_UTMP_PID
233 MEMSET(ut, 0, sizeof(struct utmp)); 353 memset (ut, 0, sizeof (struct utmp));
234 setutent(); 354 setutent ();
235 STRNCPY(ut->ut_id, R->h->ut_id, sizeof(ut->ut_id)); 355 strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id));
236 ut->ut_type = USER_PROCESS; 356 ut->ut_type = USER_PROCESS;
237 {
238 struct utmp *tmput = getutid(ut);
239
240 if (tmput) /* position to entry in utmp file */ 357 if ((tmput = getutid (ut))) /* position to entry in utmp file */
241 ut = tmput; 358 ut = tmput;
242 }
243 ut->ut_type = DEAD_PROCESS; 359 ut->ut_type = DEAD_PROCESS;
244# else 360# else
245 MEMSET(ut->ut_name, 0, sizeof(ut->ut_name)); 361 memset (ut->ut_name, 0, sizeof (ut->ut_name));
246# ifdef HAVE_UTMP_HOST 362# ifdef HAVE_UTMP_HOST
247 MEMSET(ut->ut_host, 0, sizeof(ut->ut_host)); 363 memset (ut->ut_host, 0, sizeof (ut->ut_host));
248# endif 364# endif
249# endif 365# endif
250 ut->ut_time = time(NULL); 366 ut->ut_time = time (NULL);
251#endif 367#endif
252 368
253#ifdef HAVE_STRUCT_UTMPX 369#ifdef HAVE_STRUCT_UTMPX
254 MEMSET(utx, 0, sizeof(struct utmpx)); 370 memset (utx, 0, sizeof (struct utmpx));
255 setutxent(); 371 setutxent ();
256 STRNCPY(utx->ut_id, R->h->ut_id, sizeof(utx->ut_id)); 372 strncpy (utx->ut_id, this->ut_id, sizeof (utx->ut_id));
257 utx->ut_type = USER_PROCESS; 373 utx->ut_type = USER_PROCESS;
258 if ((tmputx = getutxid(utx))) /* position to entry in utmp file */ 374 if ((tmputx = getutxid (utx))) /* position to entry in utmp file */
259 utx = tmputx; 375 utx = tmputx;
260 utx->ut_type = DEAD_PROCESS; 376 utx->ut_type = DEAD_PROCESS;
377# if HAVE_UTMPX_SESSION
261 utx->ut_session = getsid(0); 378 utx->ut_session = getsid (0);
379# endif
262 utx->ut_tv.tv_sec = time(NULL); 380 utx->ut_tv.tv_sec = time (NULL);
263 utx->ut_tv.tv_usec = 0; 381 utx->ut_tv.tv_usec = 0;
264#endif 382#endif
265 383
266 /* 384 /*
267 * Write ending wtmp entry 385 * Write ending wtmp entry
268 */ 386 */
269#ifdef WTMP_SUPPORT 387#ifdef WTMP_SUPPORT
270# ifdef WTMP_ONLY_ON_LOGIN 388#ifdef LOG_ONLY_ON_LOGIN
271 if (R->Options & Opt_loginShell) 389 if (login_shell)
272# endif 390#endif
273 { 391 {
274# ifdef HAVE_STRUCT_UTMP 392# ifdef HAVE_STRUCT_UTMP
275# ifdef HAVE_UPDWTMP 393# ifdef HAVE_UPDWTMP
276 updwtmp(RXVT_WTMP_FILE, ut); 394 updwtmp (WTMP_FILE, ut);
277# else 395# else
278 rxvt_update_wtmp(RXVT_WTMP_FILE, ut); 396 update_wtmp (WTMP_FILE, ut);
279# endif 397# endif
280# endif 398# endif
281# ifdef HAVE_STRUCT_UTMPX 399# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
282 updwtmpx(RXVT_WTMPX_FILE, utx); 400 updwtmpx (WTMPX_FILE, utx);
283# endif
284 }
285#endif 401# endif
402 }
403#endif
286 404
287 /* 405 /*
288 * Write utmp entry 406 * Write utmp entry
289 */ 407 */
290#ifdef HAVE_STRUCT_UTMP 408#ifdef HAVE_STRUCT_UTMP
291# ifdef HAVE_UTMP_PID 409# ifdef HAVE_UTMP_PID
292 if (ut->ut_pid == R->h->cmd_pid) 410 if (ut->ut_pid == cmd_pid)
293 pututline(ut); 411 pututline (ut);
294 endutent(); 412 endutent ();
295# else 413# else
296 MEMSET(ut, 0, sizeof(struct utmp)); 414 memset (ut, 0, sizeof (struct utmp));
297 rxvt_write_bsd_utmp(R->h->utmp_pos, ut); 415 write_bsd_utmp (utmp_pos, ut);
298# endif
299#endif 416# endif
417#endif
300#ifdef HAVE_STRUCT_UTMPX 418#ifdef HAVE_STRUCT_UTMPX
301 if (utx->ut_pid == R->h->cmd_pid) 419 if (utx->ut_pid == cmd_pid)
302 pututxline(utx); 420 pututxline (utx);
303 endutxent(); 421 endutxent ();
304#endif 422#endif
305}
306 423
307/* ------------------------------------------------------------------------- */ 424 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} 425}
326#endif
327 426
328/* ------------------------------------------------------------------------- */ 427#else
329/*
330 * Update a BSD style wtmp entry
331 */
332#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP)
333/* INTPROTO */
334void 428void
335rxvt_update_wtmp(const char *fname, const struct utmp *putmp) 429ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
336{ 430{
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} 431}
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 432#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
387 433
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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