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1 | // This file is part of libptytty. Do not make local modifications. |
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2 | // http://software.schmorp.de/pkg/libptytty |
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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> |
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30 | * along with this program; if not, write to the Free Software |
33 | * along with this program; if not, write to the Free Software |
31 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
34 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
32 | *----------------------------------------------------------------------*/ |
35 | *----------------------------------------------------------------------*/ |
33 | |
36 | |
34 | #include "../config.h" |
37 | #include "../config.h" |
35 | #include "rxvt.h" |
38 | |
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39 | #include <cstdio> |
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40 | |
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41 | #include <sys/types.h> |
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42 | #include <sys/stat.h> |
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43 | #include <sys/fcntl.h> |
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44 | #include <unistd.h> |
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45 | #include <time.h> |
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46 | |
36 | #include "ptytty.h" |
47 | #include "ptytty.h" |
37 | |
48 | |
38 | #if UTMP_SUPPORT |
49 | #if UTMP_SUPPORT |
39 | |
50 | |
40 | #if HAVE_STRUCT_UTMP |
51 | #if HAVE_STRUCT_UTMP |
41 | static int rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu); |
52 | static int write_bsd_utmp (int utmp_pos, struct utmp *wu); |
42 | static void rxvt_update_wtmp (const char *fname, const struct utmp *putmp); |
53 | static void update_wtmp (const char *fname, const struct utmp *putmp); |
43 | #endif |
54 | #endif |
44 | |
55 | |
45 | static void rxvt_update_lastlog (const char *fname, const char *pty, const char *host); |
56 | static void update_lastlog (const char *fname, const char *pty, const char *host); |
46 | |
57 | |
47 | /* |
58 | /* |
48 | * BSD style utmp entry |
59 | * BSD style utmp entry |
49 | * ut_line, ut_name, ut_host, ut_time |
60 | * ut_line, ut_name, ut_host, ut_time |
50 | * SYSV style utmp (and utmpx) entry |
61 | * SYSV style utmp (and utmpx) entry |
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55 | |
66 | |
56 | /* |
67 | /* |
57 | * make and write utmp and wtmp entries |
68 | * make and write utmp and wtmp entries |
58 | */ |
69 | */ |
59 | void |
70 | void |
60 | rxvt_ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname) |
71 | ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname) |
61 | { |
72 | { |
62 | const char *pty = name; |
73 | const char *pty = name; |
63 | |
74 | |
64 | if (!pty || !*pty) |
75 | if (!pty || !*pty) |
65 | return; |
76 | return; |
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84 | strncpy (ut_id, pty + 3, sizeof (ut_id)); |
95 | strncpy (ut_id, pty + 3, sizeof (ut_id)); |
85 | else if (sscanf (pty, "pts/%d", &i) == 1) |
96 | else if (sscanf (pty, "pts/%d", &i) == 1) |
86 | sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */ |
97 | sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */ |
87 | else if (strncmp (pty, "pty", 3) && strncmp (pty, "tty", 3)) |
98 | else if (strncmp (pty, "pty", 3) && strncmp (pty, "tty", 3)) |
88 | { |
99 | { |
89 | rxvt_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty); |
100 | ptytty_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty); |
90 | return; |
101 | return; |
91 | } |
102 | } |
92 | #endif |
103 | #endif |
93 | |
104 | |
94 | #ifdef HAVE_STRUCT_UTMP |
105 | #ifdef HAVE_STRUCT_UTMP |
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169 | # ifdef HAVE_TTYSLOT |
180 | # ifdef HAVE_TTYSLOT |
170 | int fdstdin = dup (STDIN_FILENO); |
181 | int fdstdin = dup (STDIN_FILENO); |
171 | dup2 (tty, STDIN_FILENO); |
182 | dup2 (tty, STDIN_FILENO); |
172 | |
183 | |
173 | i = ttyslot (); |
184 | i = ttyslot (); |
174 | if (rxvt_write_bsd_utmp (i, ut)) |
185 | if (write_bsd_utmp (i, ut)) |
175 | utmp_pos = i; |
186 | utmp_pos = i; |
176 | |
187 | |
177 | dup2 (fdstdin, STDIN_FILENO); |
188 | dup2 (fdstdin, STDIN_FILENO); |
178 | close (fdstdin); |
189 | close (fdstdin); |
179 | # else |
190 | # else |
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188 | { |
199 | { |
189 | if (*buf == '#' || sscanf (buf, "%s", name) != 1) |
200 | if (*buf == '#' || sscanf (buf, "%s", name) != 1) |
190 | continue; |
201 | continue; |
191 | if (!strcmp (ut->ut_line, name)) |
202 | if (!strcmp (ut->ut_line, name)) |
192 | { |
203 | { |
193 | if (!rxvt_write_bsd_utmp (i, ut)) |
204 | if (!write_bsd_utmp (i, ut)) |
194 | i = 0; |
205 | i = 0; |
195 | utmp_pos = i; |
206 | utmp_pos = i; |
196 | fclose (fd0); |
207 | fclose (fd0); |
197 | break; |
208 | break; |
198 | } |
209 | } |
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209 | if (login_shell) |
220 | if (login_shell) |
210 | #endif |
221 | #endif |
211 | { |
222 | { |
212 | # ifdef HAVE_STRUCT_UTMP |
223 | # ifdef HAVE_STRUCT_UTMP |
213 | # ifdef HAVE_UPDWTMP |
224 | # ifdef HAVE_UPDWTMP |
214 | updwtmp (RXVT_WTMP_FILE, ut); |
225 | updwtmp (WTMP_FILE, ut); |
215 | # else |
226 | # else |
216 | rxvt_update_wtmp (RXVT_WTMP_FILE, ut); |
227 | update_wtmp (WTMP_FILE, ut); |
217 | # endif |
228 | # endif |
218 | # endif |
229 | # endif |
219 | # if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX) |
230 | # if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX) |
220 | updwtmpx (RXVT_WTMPX_FILE, utx); |
231 | updwtmpx (WTMPX_FILE, utx); |
221 | # endif |
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222 | } |
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223 | #endif |
232 | # endif |
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233 | } |
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234 | #endif |
224 | #if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) |
235 | #if defined(LASTLOG_SUPPORT) && defined(LASTLOG_FILE) |
225 | #ifdef LOG_ONLY_ON_LOGIN |
236 | #ifdef LOG_ONLY_ON_LOGIN |
226 | if (login_shell) |
237 | if (login_shell) |
227 | #endif |
238 | #endif |
228 | rxvt_update_lastlog (RXVT_LASTLOG_FILE, pty, hostname); |
239 | update_lastlog (LASTLOG_FILE, pty, hostname); |
229 | #endif |
240 | #endif |
230 | } |
241 | } |
231 | |
242 | |
232 | /* ------------------------------------------------------------------------- */ |
243 | /* ------------------------------------------------------------------------- */ |
233 | /* |
244 | /* |
234 | * remove utmp and wtmp entries |
245 | * remove utmp and wtmp entries |
235 | */ |
246 | */ |
236 | void |
247 | void |
237 | rxvt_ptytty_unix::logout () |
248 | ptytty_unix::logout () |
238 | { |
249 | { |
239 | if (!cmd_pid) |
250 | if (!cmd_pid) |
240 | return; |
251 | return; |
241 | |
252 | |
242 | #ifdef HAVE_STRUCT_UTMP |
253 | #ifdef HAVE_STRUCT_UTMP |
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287 | if (login_shell) |
298 | if (login_shell) |
288 | #endif |
299 | #endif |
289 | { |
300 | { |
290 | # ifdef HAVE_STRUCT_UTMP |
301 | # ifdef HAVE_STRUCT_UTMP |
291 | # ifdef HAVE_UPDWTMP |
302 | # ifdef HAVE_UPDWTMP |
292 | updwtmp (RXVT_WTMP_FILE, ut); |
303 | updwtmp (WTMP_FILE, ut); |
293 | # else |
304 | # else |
294 | rxvt_update_wtmp (RXVT_WTMP_FILE, ut); |
305 | update_wtmp (WTMP_FILE, ut); |
295 | # endif |
306 | # endif |
296 | # endif |
307 | # endif |
297 | # if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX) |
308 | # if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX) |
298 | updwtmpx (RXVT_WTMPX_FILE, utx); |
309 | updwtmpx (WTMPX_FILE, utx); |
299 | # endif |
310 | # endif |
300 | } |
311 | } |
301 | #endif |
312 | #endif |
302 | |
313 | |
303 | /* |
314 | /* |
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308 | if (ut->ut_pid == cmd_pid) |
319 | if (ut->ut_pid == cmd_pid) |
309 | pututline (ut); |
320 | pututline (ut); |
310 | endutent (); |
321 | endutent (); |
311 | # else |
322 | # else |
312 | memset (ut, 0, sizeof (struct utmp)); |
323 | memset (ut, 0, sizeof (struct utmp)); |
313 | rxvt_write_bsd_utmp (utmp_pos, ut); |
324 | write_bsd_utmp (utmp_pos, ut); |
314 | # endif |
325 | # endif |
315 | #endif |
326 | #endif |
316 | #ifdef HAVE_STRUCT_UTMPX |
327 | #ifdef HAVE_STRUCT_UTMPX |
317 | if (utx->ut_pid == cmd_pid) |
328 | if (utx->ut_pid == cmd_pid) |
318 | pututxline (utx); |
329 | pututxline (utx); |
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326 | /* |
337 | /* |
327 | * Write a BSD style utmp entry |
338 | * Write a BSD style utmp entry |
328 | */ |
339 | */ |
329 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
340 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
330 | static int |
341 | static int |
331 | rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu) |
342 | write_bsd_utmp (int utmp_pos, struct utmp *wu) |
332 | { |
343 | { |
333 | int fd; |
344 | int fd; |
334 | |
345 | |
335 | if (utmp_pos <= 0 || (fd = open (RXVT_UTMP_FILE, O_WRONLY)) == -1) |
346 | if (utmp_pos <= 0 || (fd = open (UTMP_FILE, O_WRONLY)) == -1) |
336 | return 0; |
347 | return 0; |
337 | |
348 | |
338 | if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1) |
349 | if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1) |
339 | write (fd, wu, sizeof (struct utmp)); |
350 | write (fd, wu, sizeof (struct utmp)); |
340 | close (fd); |
351 | close (fd); |
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346 | /* |
357 | /* |
347 | * Update a BSD style wtmp entry |
358 | * Update a BSD style wtmp entry |
348 | */ |
359 | */ |
349 | #if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP) |
360 | #if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP) |
350 | static void |
361 | static void |
351 | rxvt_update_wtmp (const char *fname, const struct utmp *putmp) |
362 | update_wtmp (const char *fname, const struct utmp *putmp) |
352 | { |
363 | { |
353 | int fd, gotlock, retry; |
364 | int fd, gotlock, retry; |
354 | struct flock lck; /* fcntl locking scheme */ |
365 | struct flock lck; /* fcntl locking scheme */ |
355 | struct stat sbuf; |
366 | struct stat sbuf; |
356 | |
367 | |
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387 | #endif |
398 | #endif |
388 | |
399 | |
389 | /* ------------------------------------------------------------------------- */ |
400 | /* ------------------------------------------------------------------------- */ |
390 | #ifdef LASTLOG_SUPPORT |
401 | #ifdef LASTLOG_SUPPORT |
391 | static void |
402 | static void |
392 | rxvt_update_lastlog (const char *fname, const char *pty, const char *host) |
403 | update_lastlog (const char *fname, const char *pty, const char *host) |
393 | { |
404 | { |
394 | # ifdef HAVE_STRUCT_LASTLOGX |
405 | # ifdef HAVE_STRUCT_LASTLOGX |
395 | struct lastlogx llx; |
406 | struct lastlogx llx; |
396 | # endif |
407 | # endif |
397 | # ifdef HAVE_STRUCT_LASTLOG |
408 | # ifdef HAVE_STRUCT_LASTLOG |
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407 | memset (&llx, 0, sizeof (llx)); |
418 | memset (&llx, 0, sizeof (llx)); |
408 | llx.ll_tv.tv_sec = time (NULL); |
419 | llx.ll_tv.tv_sec = time (NULL); |
409 | llx.ll_tv.tv_usec = 0; |
420 | llx.ll_tv.tv_usec = 0; |
410 | strncpy (llx.ll_line, pty, sizeof (llx.ll_line)); |
421 | strncpy (llx.ll_line, pty, sizeof (llx.ll_line)); |
411 | strncpy (llx.ll_host, host, sizeof (llx.ll_host)); |
422 | strncpy (llx.ll_host, host, sizeof (llx.ll_host)); |
412 | updlastlogx (RXVT_LASTLOGX_FILE, getuid (), &llx); |
423 | updlastlogx (LASTLOGX_FILE, getuid (), &llx); |
413 | # endif |
424 | # endif |
414 | |
425 | |
415 | # ifdef HAVE_STRUCT_LASTLOG |
426 | # ifdef HAVE_STRUCT_LASTLOG |
416 | pwent = getpwuid (getuid ()); |
427 | pwent = getpwuid (getuid ()); |
417 | if (!pwent) |
428 | if (!pwent) |
418 | { |
429 | { |
419 | rxvt_warn ("no entry in password file, not updating lastlog.\n"); |
430 | ptytty_warn ("no entry in password file, not updating lastlog.\n"); |
420 | return; |
431 | return; |
421 | } |
432 | } |
422 | |
433 | |
423 | memset (&ll, 0, sizeof (ll)); |
434 | memset (&ll, 0, sizeof (ll)); |
424 | ll.ll_time = time (NULL); |
435 | ll.ll_time = time (NULL); |
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445 | } |
456 | } |
446 | # endif /* LASTLOG_IS_DIR */ |
457 | # endif /* LASTLOG_IS_DIR */ |
447 | # endif /* HAVE_STRUCT_LASTLOG */ |
458 | # endif /* HAVE_STRUCT_LASTLOG */ |
448 | } |
459 | } |
449 | #endif /* LASTLOG_SUPPORT */ |
460 | #endif /* LASTLOG_SUPPORT */ |
450 | /* ------------------------------------------------------------------------- */ |
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451 | |
461 | |
452 | #else |
462 | #else |
453 | void |
463 | void |
454 | rxvt_ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname) |
464 | ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname) |
455 | { |
465 | { |
456 | } |
466 | } |
457 | #endif /* UTMP_SUPPORT */ |
467 | #endif |
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468 | |