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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> |
… | |
… | |
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 |
17 | * Copyright (c) 2004 Marc Lehmann <pcg@goof.com> |
20 | * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com> |
18 | * |
21 | * |
19 | * This program is free software; you can redistribute it and/or modify |
22 | * 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 |
23 | * 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 |
24 | * the Free Software Foundation; either version 2 of the License, or |
22 | * (at your option) any later version. |
25 | * (at your option) any later version. |
… | |
… | |
28 | * |
31 | * |
29 | * You should have received a copy of the GNU General Public License |
32 | * You should have received a copy of the GNU General Public License |
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 | /*----------------------------------------------------------------------* |
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34 | * Public: |
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35 | * extern void cleanutent (void); |
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36 | * extern void makeutent (const char * pty, const char * hostname); |
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37 | * |
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38 | * Private: |
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39 | * rxvt_update_wtmp (); |
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40 | *----------------------------------------------------------------------*/ |
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41 | |
36 | |
42 | #include "../config.h" |
37 | #include "../config.h" |
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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 | |
43 | #include "rxvt.h" |
47 | #include "ptytty.h" |
44 | #include "logging.h" |
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45 | |
48 | |
46 | #ifdef UTMP_SUPPORT |
49 | #if UTMP_SUPPORT |
47 | |
50 | |
48 | #if HAVE_STRUCT_UTMP |
51 | #if HAVE_STRUCT_UTMP |
49 | int rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu); |
52 | static int write_bsd_utmp (int utmp_pos, struct utmp *wu); |
50 | void rxvt_update_wtmp (const char *fname, const struct utmp *putmp); |
53 | static void update_wtmp (const char *fname, const struct utmp *putmp); |
51 | #endif |
54 | #endif |
52 | |
55 | |
53 | 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); |
54 | |
57 | |
55 | /* |
58 | /* |
56 | * BSD style utmp entry |
59 | * BSD style utmp entry |
57 | * ut_line, ut_name, ut_host, ut_time |
60 | * ut_line, ut_name, ut_host, ut_time |
58 | * SYSV style utmp (and utmpx) entry |
61 | * SYSV style utmp (and utmpx) entry |
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63 | |
66 | |
64 | /* |
67 | /* |
65 | * make and write utmp and wtmp entries |
68 | * make and write utmp and wtmp entries |
66 | */ |
69 | */ |
67 | void |
70 | void |
68 | rxvt_term::makeutent (const char *pty, const char *hostname) |
71 | ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname) |
69 | { |
72 | { |
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73 | const char *pty = name; |
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74 | |
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75 | if (!pty || !*pty) |
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76 | return; |
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77 | |
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78 | this->cmd_pid = cmd_pid; |
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79 | this->login_shell = login_shell; |
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80 | |
70 | #ifdef HAVE_STRUCT_UTMP |
81 | #ifdef HAVE_STRUCT_UTMP |
71 | struct utmp *ut = &this->ut; |
82 | struct utmp *ut = &this->ut; |
72 | #endif |
83 | #endif |
73 | #ifdef HAVE_STRUCT_UTMPX |
84 | #ifdef HAVE_STRUCT_UTMPX |
74 | struct utmpx *utx = &this->utx; |
85 | struct utmpx *utx = &this->utx; |
75 | #endif |
86 | #endif |
76 | #ifdef HAVE_UTMP_PID |
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77 | int i; |
87 | int i; |
78 | #endif |
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79 | struct passwd *pwent = getpwuid (getuid ()); |
88 | struct passwd *pwent = getpwuid (getuid ()); |
80 | |
89 | |
81 | if (!strncmp (pty, "/dev/", 5)) |
90 | if (!strncmp (pty, "/dev/", 5)) |
82 | pty += 5; /* skip /dev/ prefix */ |
91 | pty += 5; /* skip /dev/ prefix */ |
83 | |
92 | |
84 | #ifdef HAVE_UTMP_PID |
93 | #if defined(HAVE_UTMP_PID) || defined(HAVE_STRUCT_UTMPX) |
85 | if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3)) |
94 | if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3)) |
86 | strncpy (ut_id, pty + 3, sizeof (ut_id)); |
95 | strncpy (ut_id, pty + 3, sizeof (ut_id)); |
87 | else if (sscanf (pty, "pts/%d", &i) == 1) |
96 | else if (sscanf (pty, "pts/%d", &i) == 1) |
88 | sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */ |
97 | sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */ |
89 | else if (strncmp (pty, "pty", 3) && strncmp (pty, "tty", 3)) |
98 | else if (strncmp (pty, "pty", 3) && strncmp (pty, "tty", 3)) |
90 | { |
99 | { |
91 | 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); |
92 | return; |
101 | return; |
93 | } |
102 | } |
94 | #endif |
103 | #endif |
95 | |
104 | |
96 | #ifdef HAVE_STRUCT_UTMP |
105 | #ifdef HAVE_STRUCT_UTMP |
… | |
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165 | endutxent (); /* close the file */ |
174 | endutxent (); /* close the file */ |
166 | utmp_pos = 0; |
175 | utmp_pos = 0; |
167 | #endif |
176 | #endif |
168 | |
177 | |
169 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
178 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
170 | |
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171 | { |
179 | { |
172 | int i; |
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173 | # ifdef HAVE_TTYSLOT |
180 | # ifdef HAVE_TTYSLOT |
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181 | int fdstdin = dup (STDIN_FILENO); |
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182 | dup2 (tty, STDIN_FILENO); |
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183 | |
174 | i = ttyslot (); |
184 | i = ttyslot (); |
175 | if (rxvt_write_bsd_utmp (i, ut)) |
185 | if (write_bsd_utmp (i, ut)) |
176 | utmp_pos = i; |
186 | utmp_pos = i; |
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187 | |
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188 | dup2 (fdstdin, STDIN_FILENO); |
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189 | close (fdstdin); |
177 | # else |
190 | # else |
178 | FILE *fd0; |
191 | FILE *fd0; |
179 | |
192 | |
180 | if ((fd0 = fopen (TTYTAB_FILENAME, "r")) != NULL) |
193 | if ((fd0 = fopen (TTYTAB_FILENAME, "r")) != NULL) |
181 | { |
194 | { |
182 | char buf[256], name[256]; |
195 | char buf[256], name[256]; |
183 | |
196 | |
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186 | { |
199 | { |
187 | if (*buf == '#' || sscanf (buf, "%s", name) != 1) |
200 | if (*buf == '#' || sscanf (buf, "%s", name) != 1) |
188 | continue; |
201 | continue; |
189 | if (!strcmp (ut->ut_line, name)) |
202 | if (!strcmp (ut->ut_line, name)) |
190 | { |
203 | { |
191 | if (!rxvt_write_bsd_utmp (i, ut)) |
204 | if (!write_bsd_utmp (i, ut)) |
192 | i = 0; |
205 | i = 0; |
193 | utmp_pos = i; |
206 | utmp_pos = i; |
194 | fclose (fd0); |
207 | fclose (fd0); |
195 | break; |
208 | break; |
196 | } |
209 | } |
197 | i++; |
210 | i++; |
198 | } |
211 | } |
199 | fclose (fd0); |
212 | fclose (fd0); |
200 | } |
213 | } |
201 | # endif |
214 | # endif |
202 | |
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203 | } |
215 | } |
204 | #endif |
216 | #endif |
205 | |
217 | |
206 | #ifdef WTMP_SUPPORT |
218 | #ifdef WTMP_SUPPORT |
207 | # ifdef WTMP_ONLY_ON_LOGIN |
219 | #ifdef LOG_ONLY_ON_LOGIN |
208 | if (OPTION (Opt_loginShell)) |
220 | if (login_shell) |
209 | # endif |
221 | #endif |
210 | { |
222 | { |
211 | # ifdef HAVE_STRUCT_UTMP |
223 | # ifdef HAVE_STRUCT_UTMP |
212 | # ifdef HAVE_UPDWTMP |
224 | # ifdef HAVE_UPDWTMP |
213 | updwtmp (RXVT_WTMP_FILE, ut); |
225 | updwtmp (WTMP_FILE, ut); |
214 | # else |
226 | # else |
215 | rxvt_update_wtmp (RXVT_WTMP_FILE, ut); |
227 | update_wtmp (WTMP_FILE, ut); |
216 | # endif |
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217 | # endif |
228 | # endif |
218 | # ifdef HAVE_STRUCT_UTMPX |
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219 | # if HAVE_UPDWTMPX |
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220 | updwtmpx (RXVT_WTMPX_FILE, utx); |
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221 | # else |
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222 | pututxline (utx); |
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223 | # endif |
229 | # endif |
224 | # endif |
230 | # if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX) |
225 | } |
231 | updwtmpx (WTMPX_FILE, utx); |
226 | #endif |
232 | # endif |
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233 | } |
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234 | #endif |
227 | #if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) |
235 | #if defined(LASTLOG_SUPPORT) && defined(LASTLOG_FILE) |
228 | if (OPTION (Opt_loginShell)) |
236 | #ifdef LOG_ONLY_ON_LOGIN |
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237 | if (login_shell) |
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238 | #endif |
229 | rxvt_update_lastlog (RXVT_LASTLOG_FILE, pty, hostname); |
239 | update_lastlog (LASTLOG_FILE, pty, hostname); |
230 | #endif |
240 | #endif |
231 | } |
241 | } |
232 | |
242 | |
233 | /* ------------------------------------------------------------------------- */ |
243 | /* ------------------------------------------------------------------------- */ |
234 | /* |
244 | /* |
235 | * remove utmp and wtmp entries |
245 | * remove utmp and wtmp entries |
236 | */ |
246 | */ |
237 | void |
247 | void |
238 | rxvt_term::cleanutent () |
248 | ptytty_unix::logout () |
239 | { |
249 | { |
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250 | if (!cmd_pid) |
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251 | return; |
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252 | |
240 | #ifdef HAVE_STRUCT_UTMP |
253 | #ifdef HAVE_STRUCT_UTMP |
241 | struct utmp *ut = &this->ut; |
254 | struct utmp *tmput, *ut = &this->ut; |
242 | #endif |
255 | #endif |
243 | #ifdef HAVE_STRUCT_UTMPX |
256 | #ifdef HAVE_STRUCT_UTMPX |
244 | struct utmpx *tmputx, *utx = &this->utx; |
257 | struct utmpx *tmputx, *utx = &this->utx; |
245 | #endif |
258 | #endif |
246 | |
259 | |
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248 | # ifdef HAVE_UTMP_PID |
261 | # ifdef HAVE_UTMP_PID |
249 | memset (ut, 0, sizeof (struct utmp)); |
262 | memset (ut, 0, sizeof (struct utmp)); |
250 | setutent (); |
263 | setutent (); |
251 | strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id)); |
264 | strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id)); |
252 | ut->ut_type = USER_PROCESS; |
265 | ut->ut_type = USER_PROCESS; |
253 | { |
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254 | struct utmp *tmput = getutid (ut); |
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255 | |
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256 | if (tmput) /* position to entry in utmp file */ |
266 | if ((tmput = getutid (ut))) /* position to entry in utmp file */ |
257 | ut = tmput; |
267 | ut = tmput; |
258 | } |
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259 | ut->ut_type = DEAD_PROCESS; |
268 | ut->ut_type = DEAD_PROCESS; |
260 | # else |
269 | # else |
261 | memset (ut->ut_name, 0, sizeof (ut->ut_name)); |
270 | memset (ut->ut_name, 0, sizeof (ut->ut_name)); |
262 | # ifdef HAVE_UTMP_HOST |
271 | # ifdef HAVE_UTMP_HOST |
263 | memset (ut->ut_host, 0, sizeof (ut->ut_host)); |
272 | memset (ut->ut_host, 0, sizeof (ut->ut_host)); |
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283 | |
292 | |
284 | /* |
293 | /* |
285 | * Write ending wtmp entry |
294 | * Write ending wtmp entry |
286 | */ |
295 | */ |
287 | #ifdef WTMP_SUPPORT |
296 | #ifdef WTMP_SUPPORT |
288 | # ifdef WTMP_ONLY_ON_LOGIN |
297 | #ifdef LOG_ONLY_ON_LOGIN |
289 | if (OPTION (Opt_loginShell)) |
298 | if (login_shell) |
290 | # endif |
299 | #endif |
291 | { |
300 | { |
292 | # ifdef HAVE_STRUCT_UTMP |
301 | # ifdef HAVE_STRUCT_UTMP |
293 | # ifdef HAVE_UPDWTMP |
302 | # ifdef HAVE_UPDWTMP |
294 | updwtmp (RXVT_WTMP_FILE, ut); |
303 | updwtmp (WTMP_FILE, ut); |
295 | # else |
304 | # else |
296 | rxvt_update_wtmp (RXVT_WTMP_FILE, ut); |
305 | update_wtmp (WTMP_FILE, ut); |
297 | # endif |
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298 | # endif |
306 | # endif |
299 | # ifdef HAVE_STRUCT_UTMPX |
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300 | # if HAVE_UPDWTMPX |
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301 | updwtmpx (RXVT_WTMPX_FILE, utx); |
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302 | # else |
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303 | pututxline (utx); |
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304 | # endif |
307 | # endif |
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308 | # if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX) |
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309 | updwtmpx (WTMPX_FILE, utx); |
305 | # endif |
310 | # endif |
306 | } |
311 | } |
307 | #endif |
312 | #endif |
308 | |
313 | |
309 | /* |
314 | /* |
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314 | if (ut->ut_pid == cmd_pid) |
319 | if (ut->ut_pid == cmd_pid) |
315 | pututline (ut); |
320 | pututline (ut); |
316 | endutent (); |
321 | endutent (); |
317 | # else |
322 | # else |
318 | memset (ut, 0, sizeof (struct utmp)); |
323 | memset (ut, 0, sizeof (struct utmp)); |
319 | rxvt_write_bsd_utmp (utmp_pos, ut); |
324 | write_bsd_utmp (utmp_pos, ut); |
320 | # endif |
325 | # endif |
321 | #endif |
326 | #endif |
322 | #ifdef HAVE_STRUCT_UTMPX |
327 | #ifdef HAVE_STRUCT_UTMPX |
323 | if (utx->ut_pid == cmd_pid) |
328 | if (utx->ut_pid == cmd_pid) |
324 | pututxline (utx); |
329 | pututxline (utx); |
325 | endutxent (); |
330 | endutxent (); |
326 | #endif |
331 | #endif |
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332 | |
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333 | cmd_pid = 0; |
327 | } |
334 | } |
328 | |
335 | |
329 | /* ------------------------------------------------------------------------- */ |
336 | /* ------------------------------------------------------------------------- */ |
330 | /* |
337 | /* |
331 | * Write a BSD style utmp entry |
338 | * Write a BSD style utmp entry |
332 | */ |
339 | */ |
333 | #ifdef HAVE_UTMP_H |
340 | #if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) |
334 | int |
341 | static int |
335 | rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu) |
342 | write_bsd_utmp (int utmp_pos, struct utmp *wu) |
336 | { |
343 | { |
337 | int fd; |
344 | int fd; |
338 | |
345 | |
339 | if (utmp_pos <= 0 || (fd = open (RXVT_UTMP_FILE, O_WRONLY)) == -1) |
346 | if (utmp_pos <= 0 || (fd = open (UTMP_FILE, O_WRONLY)) == -1) |
340 | return 0; |
347 | return 0; |
341 | |
348 | |
342 | 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) |
343 | write (fd, wu, sizeof (struct utmp)); |
350 | write (fd, wu, sizeof (struct utmp)); |
344 | close (fd); |
351 | close (fd); |
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349 | /* ------------------------------------------------------------------------- */ |
356 | /* ------------------------------------------------------------------------- */ |
350 | /* |
357 | /* |
351 | * Update a BSD style wtmp entry |
358 | * Update a BSD style wtmp entry |
352 | */ |
359 | */ |
353 | #if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP) |
360 | #if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP) |
354 | void |
361 | static void |
355 | rxvt_update_wtmp (const char *fname, const struct utmp *putmp) |
362 | update_wtmp (const char *fname, const struct utmp *putmp) |
356 | { |
363 | { |
357 | int fd, gotlock, retry; |
364 | int fd, gotlock, retry; |
358 | struct flock lck; /* fcntl locking scheme */ |
365 | struct flock lck; /* fcntl locking scheme */ |
359 | struct stat sbuf; |
366 | struct stat sbuf; |
360 | |
367 | |
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390 | } |
397 | } |
391 | #endif |
398 | #endif |
392 | |
399 | |
393 | /* ------------------------------------------------------------------------- */ |
400 | /* ------------------------------------------------------------------------- */ |
394 | #ifdef LASTLOG_SUPPORT |
401 | #ifdef LASTLOG_SUPPORT |
395 | void |
402 | static void |
396 | rxvt_update_lastlog (const char *fname, const char *pty, const char *host) |
403 | update_lastlog (const char *fname, const char *pty, const char *host) |
397 | { |
404 | { |
398 | # ifdef HAVE_STRUCT_LASTLOGX |
405 | # ifdef HAVE_STRUCT_LASTLOGX |
399 | struct lastlogx llx; |
406 | struct lastlogx llx; |
400 | # endif |
407 | # endif |
401 | # ifdef HAVE_STRUCT_LASTLOG |
408 | # ifdef HAVE_STRUCT_LASTLOG |
… | |
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411 | memset (&llx, 0, sizeof (llx)); |
418 | memset (&llx, 0, sizeof (llx)); |
412 | llx.ll_tv.tv_sec = time (NULL); |
419 | llx.ll_tv.tv_sec = time (NULL); |
413 | llx.ll_tv.tv_usec = 0; |
420 | llx.ll_tv.tv_usec = 0; |
414 | strncpy (llx.ll_line, pty, sizeof (llx.ll_line)); |
421 | strncpy (llx.ll_line, pty, sizeof (llx.ll_line)); |
415 | strncpy (llx.ll_host, host, sizeof (llx.ll_host)); |
422 | strncpy (llx.ll_host, host, sizeof (llx.ll_host)); |
416 | updlastlogx (RXVT_LASTLOGX_FILE, getuid (), &llx); |
423 | updlastlogx (LASTLOGX_FILE, getuid (), &llx); |
417 | # endif |
424 | # endif |
418 | |
425 | |
419 | # ifdef HAVE_STRUCT_LASTLOG |
426 | # ifdef HAVE_STRUCT_LASTLOG |
420 | pwent = getpwuid (getuid ()); |
427 | pwent = getpwuid (getuid ()); |
421 | if (!pwent) |
428 | if (!pwent) |
422 | { |
429 | { |
423 | rxvt_warn ("no entry in password file, not updating lastlog.\n"); |
430 | ptytty_warn ("no entry in password file, not updating lastlog.\n"); |
424 | return; |
431 | return; |
425 | } |
432 | } |
426 | |
433 | |
427 | memset (&ll, 0, sizeof (ll)); |
434 | memset (&ll, 0, sizeof (ll)); |
428 | ll.ll_time = time (NULL); |
435 | ll.ll_time = time (NULL); |
… | |
… | |
449 | } |
456 | } |
450 | # endif /* LASTLOG_IS_DIR */ |
457 | # endif /* LASTLOG_IS_DIR */ |
451 | # endif /* HAVE_STRUCT_LASTLOG */ |
458 | # endif /* HAVE_STRUCT_LASTLOG */ |
452 | } |
459 | } |
453 | #endif /* LASTLOG_SUPPORT */ |
460 | #endif /* LASTLOG_SUPPORT */ |
454 | /* ------------------------------------------------------------------------- */ |
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455 | |
461 | |
456 | #endif /* UTMP_SUPPORT */ |
462 | #else |
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463 | void |
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464 | ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname) |
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465 | { |
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466 | } |
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467 | #endif |
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468 | |