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Comparing rxvt-unicode/src/logging.C (file contents):
Revision 1.5 by pcg, Sat Jan 31 03:27:45 2004 UTC vs.
Revision 1.33 by root, Wed Jan 18 12:06:11 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: logging.c 2 * File: logging.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1992 John Bovey <jdb@ukc.ac.uk> 6 * Copyright (c) 1992 John Bovey <jdb@ukc.ac.uk>
7 * - original version 7 * - original version
… …
12 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es> 12 * Copyright (c) 1997 Raul Garcia Garcia <rgg@tid.es>
13 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> 13 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
14 * - extensive modifications 14 * - extensive modifications
15 * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com> 15 * Copyright (c) 1999 D J Hawkey Jr <hawkeyd@visi.com>
16 * - lastlog support 16 * - lastlog support
17 * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com>
17 * 18 *
18 * This program is free software; you can redistribute it and/or modify 19 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by 20 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or 21 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version. 22 * (at your option) any later version.
… …
27 * 28 *
28 * You should have received a copy of the GNU General Public License 29 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software 30 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 31 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *----------------------------------------------------------------------*/ 32 *----------------------------------------------------------------------*/
32/*----------------------------------------------------------------------*
33 * Public:
34 * extern void cleanutent (void);
35 * extern void makeutent (const char * pty, const char * hostname);
36 *
37 * Private:
38 * rxvt_update_wtmp ();
39 *----------------------------------------------------------------------*/
40 33
41#include "../config.h" /* NECESSARY */
42#include "rxvt.h" /* NECESSARY */
43#include "logging.h" 34#include "../config.h"
35#include "rxvt.h"
36#include "ptytty.h"
37
44#ifdef UTMP_SUPPORT 38#if UTMP_SUPPORT
39
40#if HAVE_STRUCT_UTMP
41static int rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu);
42static void rxvt_update_wtmp (const char *fname, const struct utmp *putmp);
43#endif
44
45static void rxvt_update_lastlog (const char *fname, const char *pty, const char *host);
45 46
46/* 47/*
47 * BSD style utmp entry 48 * BSD style utmp entry
48 * ut_line, ut_name, ut_host, ut_time 49 * ut_line, ut_name, ut_host, ut_time
49 * SYSV style utmp (and utmpx) entry 50 * SYSV style utmp (and utmpx) entry
… …
54 55
55/* 56/*
56 * make and write utmp and wtmp entries 57 * make and write utmp and wtmp entries
57 */ 58 */
58void 59void
59rxvt_term::makeutent (const char *pty, const char *hostname) 60rxvt_ptytty_unix::login (int cmd_pid, bool login_shell, const char *hostname)
60{ 61{
61#ifdef HAVE_STRUCT_UTMP 62 const char *pty = name;
62 struct utmp *ut = &(this->ut); 63
63#endif 64 if (!pty || !*pty)
65 return;
66
67 this->cmd_pid = cmd_pid;
68 this->login_shell = login_shell;
69
64#ifdef HAVE_STRUCT_UTMPX 70#ifdef HAVE_STRUCT_UTMP
65 struct utmpx *utx = &(this->utx); 71 struct utmp *ut = &this->ut;
66#endif 72#endif
67#ifdef HAVE_UTMP_PID
68 int i;
69#endif
70 char ut_id[5];
71 struct passwd *pwent = getpwuid(getuid());
72
73 if (!STRNCMP(pty, "/dev/", 5))
74 pty += 5; /* skip /dev/ prefix */
75
76 if (!STRNCMP(pty, "pty", 3) || !STRNCMP(pty, "tty", 3)) {
77 STRNCPY(ut_id, (pty + 3), sizeof(ut_id));
78 }
79#ifdef HAVE_UTMP_PID
80 else if (sscanf(pty, "pts/%d", &i) == 1)
81 sprintf(ut_id, "vt%02x", (i & 0xff)); /* sysv naming */
82#endif
83 else if (STRNCMP(pty, "pty", 3) && STRNCMP(pty, "tty", 3)) {
84 rxvt_print_error("can't parse tty name \"%s\"", pty);
85 return;
86 }
87
88#ifdef HAVE_STRUCT_UTMP 73#ifdef HAVE_STRUCT_UTMPX
74 struct utmpx *utx = &this->utx;
75#endif
76 int i;
77 struct passwd *pwent = getpwuid (getuid ());
78
79 if (!strncmp (pty, "/dev/", 5))
80 pty += 5; /* skip /dev/ prefix */
81
82#if defined(HAVE_UTMP_PID) || defined(HAVE_STRUCT_UTMPX)
83 if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3))
84 strncpy (ut_id, pty + 3, sizeof (ut_id));
85 else if (sscanf (pty, "pts/%d", &i) == 1)
86 sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */
87 else if (strncmp (pty, "pty", 3) && strncmp (pty, "tty", 3))
88 {
89 rxvt_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty);
90 return;
91 }
92#endif
93
94#ifdef HAVE_STRUCT_UTMP
89 MEMSET(ut, 0, sizeof(struct utmp)); 95 memset (ut, 0, sizeof (struct utmp));
90# ifdef HAVE_UTMP_PID 96# ifdef HAVE_UTMP_PID
91 setutent(); 97 setutent ();
92 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 98 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
93 ut->ut_type = DEAD_PROCESS; 99 ut->ut_type = DEAD_PROCESS;
94 getutid(ut); /* position to entry in utmp file */ 100 getutid (ut); /* position to entry in utmp file */
95 STRNCPY(ut_id, ut_id, sizeof(ut_id)); 101 strncpy (this->ut_id, ut_id, sizeof (this->ut_id));
96# endif
97#endif 102# endif
98
99#ifdef HAVE_STRUCT_UTMPX
100 MEMSET(utx, 0, sizeof(struct utmpx));
101 setutxent();
102 STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id));
103 utx->ut_type = DEAD_PROCESS;
104 getutxid(utx); /* position to entry in utmp file */
105 STRNCPY(ut_id, ut_id, sizeof(ut_id));
106#endif 103#endif
107 104
108#ifdef HAVE_STRUCT_UTMP 105#ifdef HAVE_STRUCT_UTMPX
106 memset (utx, 0, sizeof (struct utmpx));
107 setutxent ();
108 strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
109 utx->ut_type = DEAD_PROCESS;
110 getutxid (utx); /* position to entry in utmp file */
111 strncpy (this->ut_id, ut_id, sizeof (this->ut_id));
112#endif
113
114#ifdef HAVE_STRUCT_UTMP
109 STRNCPY(ut->ut_line, pty, sizeof(ut->ut_line)); 115 strncpy (ut->ut_line, pty, sizeof (ut->ut_line));
110 ut->ut_time = time(NULL); 116 ut->ut_time = time (NULL);
111# ifdef HAVE_UTMP_PID 117# ifdef HAVE_UTMP_PID
112 STRNCPY(ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 118 strncpy (ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
113 sizeof(ut->ut_user)); 119 sizeof (ut->ut_user));
114 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 120 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
115 ut->ut_time = time(NULL); 121 ut->ut_time = time (NULL);
116 ut->ut_pid = cmd_pid; 122 ut->ut_pid = cmd_pid;
117# ifdef HAVE_UTMP_HOST 123# ifdef HAVE_UTMP_HOST
118 STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); 124 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
119# endif 125# endif
120 ut->ut_type = USER_PROCESS; 126 ut->ut_type = USER_PROCESS;
121 pututline(ut); 127 pututline (ut);
122 endutent(); /* close the file */ 128 endutent (); /* close the file */
123 utmp_pos = 0; 129 utmp_pos = 0;
124# else 130# else
125 STRNCPY(ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 131 strncpy (ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
126 sizeof(ut->ut_name)); 132 sizeof (ut->ut_name));
127# ifdef HAVE_UTMP_HOST 133# ifdef HAVE_UTMP_HOST
128 STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); 134 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
129# endif
130# endif 135# endif
131#endif 136# endif
137#endif
132 138
133#ifdef HAVE_STRUCT_UTMPX 139#ifdef HAVE_STRUCT_UTMPX
134 STRNCPY(utx->ut_line, pty, sizeof(utx->ut_line)); 140 strncpy (utx->ut_line, pty, sizeof (utx->ut_line));
135 STRNCPY(utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 141 strncpy (utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
136 sizeof(utx->ut_user)); 142 sizeof (utx->ut_user));
137 STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id)); 143 strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
144# if HAVE_UTMPX_SESSION
138 utx->ut_session = getsid(0); 145 utx->ut_session = getsid (0);
146# endif
139 utx->ut_tv.tv_sec = time(NULL); 147 utx->ut_tv.tv_sec = time (NULL);
140 utx->ut_tv.tv_usec = 0; 148 utx->ut_tv.tv_usec = 0;
141 utx->ut_pid = cmd_pid; 149 utx->ut_pid = cmd_pid;
142# ifdef HAVE_UTMPX_HOST 150# ifdef HAVE_UTMPX_HOST
143 STRNCPY(utx->ut_host, hostname, sizeof(utx->ut_host)); 151 strncpy (utx->ut_host, hostname, sizeof (utx->ut_host));
144# if 0 152# if 0
145 { 153 {
146 char *colon; 154 char *colon;
147 155
148 if ((colon = STRRCHR(ut->ut_host, ':')) != NULL) 156 if ((colon = strrchr (ut->ut_host, ':')) != NULL)
149 *colon = '\0'; 157 *colon = '\0';
150 } 158 }
151# endif
152# endif 159# endif
160# endif
153 utx->ut_type = USER_PROCESS; 161 utx->ut_type = USER_PROCESS;
154 pututxline(utx); 162 pututxline (utx);
155 endutxent(); /* close the file */ 163 endutxent (); /* close the file */
156 utmp_pos = 0; 164 utmp_pos = 0;
157#endif 165#endif
158 166
159#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) 167#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
160 { 168 {
161 int i;
162# ifdef HAVE_TTYSLOT 169# ifdef HAVE_TTYSLOT
170 int fdstdin = dup (STDIN_FILENO);
171 dup2 (tty, STDIN_FILENO);
172
163 i = ttyslot(); 173 i = ttyslot ();
164 if (rxvt_write_bsd_utmp(i, ut)) 174 if (rxvt_write_bsd_utmp (i, ut))
165 utmp_pos = i; 175 utmp_pos = i;
176
177 dup2 (fdstdin, STDIN_FILENO);
178 close (fdstdin);
166# else 179# else
167 FILE *fd0; 180 FILE *fd0;
168 181
169 if ((fd0 = fopen(TTYTAB_FILENAME, "r")) != NULL) { 182 if ((fd0 = fopen (TTYTAB_FILENAME, "r")) != NULL)
183 {
170 char buf[256], name[256]; 184 char buf[256], name[256];
171 185
172 buf[sizeof(buf) - 1] = '\0'; 186 buf[sizeof (buf) - 1] = '\0';
173 for (i = 1; (fgets(buf, sizeof(buf) - 1, fd0) != NULL);) { 187 for (i = 1; (fgets (buf, sizeof (buf) - 1, fd0) != NULL);)
188 {
174 if (*buf == '#' || sscanf(buf, "%s", name) != 1) 189 if (*buf == '#' || sscanf (buf, "%s", name) != 1)
175 continue; 190 continue;
176 if (!STRCMP(ut->ut_line, name)) { 191 if (!strcmp (ut->ut_line, name))
192 {
177 if (!rxvt_write_bsd_utmp(i, ut)) 193 if (!rxvt_write_bsd_utmp (i, ut))
178 i = 0; 194 i = 0;
179 utmp_pos = i; 195 utmp_pos = i;
180 fclose(fd0); 196 fclose (fd0);
181 break; 197 break;
182 } 198 }
183 i++; 199 i++;
184 } 200 }
185 fclose(fd0); 201 fclose (fd0);
186 }
187# endif
188 } 202 }
203# endif
204 }
189#endif 205#endif
190 206
191#ifdef WTMP_SUPPORT 207#ifdef WTMP_SUPPORT
192# ifdef WTMP_ONLY_ON_LOGIN 208 if (login_shell)
193 if (Options & Opt_loginShell)
194# endif
195 { 209 {
196# ifdef HAVE_STRUCT_UTMP 210# ifdef HAVE_STRUCT_UTMP
197# ifdef HAVE_UPDWTMP 211# ifdef HAVE_UPDWTMP
198 updwtmp(RXVT_WTMP_FILE, ut); 212 updwtmp (RXVT_WTMP_FILE, ut);
199# else 213# else
200 rxvt_update_wtmp(RXVT_WTMP_FILE, ut); 214 rxvt_update_wtmp (RXVT_WTMP_FILE, ut);
201# endif
202# endif 215# endif
203# ifdef HAVE_STRUCT_UTMPX 216# endif
217# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
204 updwtmpx(RXVT_WTMPX_FILE, utx); 218 updwtmpx (RXVT_WTMPX_FILE, utx);
205# endif 219# endif
206 } 220 }
207#endif 221#endif
208#if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) 222#if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE)
209 if (Options & Opt_loginShell) 223 if (login_shell)
210 rxvt_update_lastlog(RXVT_LASTLOG_FILE, pty, hostname); 224 rxvt_update_lastlog (RXVT_LASTLOG_FILE, pty, hostname);
211#endif 225#endif
212} 226}
213 227
214/* ------------------------------------------------------------------------- */ 228/* ------------------------------------------------------------------------- */
215/* 229/*
216 * remove utmp and wtmp entries 230 * remove utmp and wtmp entries
217 */ 231 */
218void 232void
219rxvt_term::cleanutent () 233rxvt_ptytty_unix::logout ()
220{ 234{
221#ifdef HAVE_STRUCT_UTMP 235 if (!cmd_pid)
222 struct utmp *ut = &(this->ut); 236 return;
223#endif 237
224#ifdef HAVE_STRUCT_UTMPX 238#ifdef HAVE_STRUCT_UTMP
239 struct utmp *tmput, *ut = &this->ut;
240#endif
241#ifdef HAVE_STRUCT_UTMPX
225 struct utmpx *tmputx, *utx = &(this->utx); 242 struct utmpx *tmputx, *utx = &this->utx;
226#endif 243#endif
227 244
228#ifdef HAVE_STRUCT_UTMP 245#ifdef HAVE_STRUCT_UTMP
229# ifdef HAVE_UTMP_PID 246# ifdef HAVE_UTMP_PID
230 MEMSET(ut, 0, sizeof(struct utmp)); 247 memset (ut, 0, sizeof (struct utmp));
231 setutent(); 248 setutent ();
232 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 249 strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id));
233 ut->ut_type = USER_PROCESS; 250 ut->ut_type = USER_PROCESS;
234 {
235 struct utmp *tmput = getutid(ut);
236
237 if (tmput) /* position to entry in utmp file */ 251 if ((tmput = getutid (ut))) /* position to entry in utmp file */
238 ut = tmput; 252 ut = tmput;
239 }
240 ut->ut_type = DEAD_PROCESS; 253 ut->ut_type = DEAD_PROCESS;
241# else 254# else
242 MEMSET(ut->ut_name, 0, sizeof(ut->ut_name)); 255 memset (ut->ut_name, 0, sizeof (ut->ut_name));
243# ifdef HAVE_UTMP_HOST 256# ifdef HAVE_UTMP_HOST
244 MEMSET(ut->ut_host, 0, sizeof(ut->ut_host)); 257 memset (ut->ut_host, 0, sizeof (ut->ut_host));
245# endif
246# endif 258# endif
259# endif
247 ut->ut_time = time(NULL); 260 ut->ut_time = time (NULL);
248#endif 261#endif
249 262
250#ifdef HAVE_STRUCT_UTMPX 263#ifdef HAVE_STRUCT_UTMPX
251 MEMSET(utx, 0, sizeof(struct utmpx)); 264 memset (utx, 0, sizeof (struct utmpx));
252 setutxent(); 265 setutxent ();
253 STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id)); 266 strncpy (utx->ut_id, this->ut_id, sizeof (utx->ut_id));
254 utx->ut_type = USER_PROCESS; 267 utx->ut_type = USER_PROCESS;
255 if ((tmputx = getutxid(utx))) /* position to entry in utmp file */ 268 if ((tmputx = getutxid (utx))) /* position to entry in utmp file */
256 utx = tmputx; 269 utx = tmputx;
257 utx->ut_type = DEAD_PROCESS; 270 utx->ut_type = DEAD_PROCESS;
271# if HAVE_UTMPX_SESSION
258 utx->ut_session = getsid(0); 272 utx->ut_session = getsid (0);
273# endif
259 utx->ut_tv.tv_sec = time(NULL); 274 utx->ut_tv.tv_sec = time (NULL);
260 utx->ut_tv.tv_usec = 0; 275 utx->ut_tv.tv_usec = 0;
261#endif 276#endif
262 277
263 /* 278 /*
264 * Write ending wtmp entry 279 * Write ending wtmp entry
265 */ 280 */
266#ifdef WTMP_SUPPORT 281#ifdef WTMP_SUPPORT
267# ifdef WTMP_ONLY_ON_LOGIN 282 if (login_shell)
268 if (Options & Opt_loginShell)
269# endif
270 { 283 {
271# ifdef HAVE_STRUCT_UTMP 284# ifdef HAVE_STRUCT_UTMP
272# ifdef HAVE_UPDWTMP 285# ifdef HAVE_UPDWTMP
273 updwtmp(RXVT_WTMP_FILE, ut); 286 updwtmp (RXVT_WTMP_FILE, ut);
274# else 287# else
275 rxvt_update_wtmp(RXVT_WTMP_FILE, ut); 288 rxvt_update_wtmp (RXVT_WTMP_FILE, ut);
276# endif
277# endif 289# endif
278# ifdef HAVE_STRUCT_UTMPX
279 updwtmpx(RXVT_WTMPX_FILE, utx);
280# endif
281 }
282#endif 290# endif
291# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
292 updwtmpx (RXVT_WTMPX_FILE, utx);
293# endif
294 }
295#endif
283 296
284 /* 297 /*
285 * Write utmp entry 298 * Write utmp entry
286 */ 299 */
287#ifdef HAVE_STRUCT_UTMP 300#ifdef HAVE_STRUCT_UTMP
288# ifdef HAVE_UTMP_PID 301# ifdef HAVE_UTMP_PID
289 if (ut->ut_pid == cmd_pid) 302 if (ut->ut_pid == cmd_pid)
290 pututline(ut); 303 pututline (ut);
291 endutent(); 304 endutent ();
292# else 305# else
293 MEMSET(ut, 0, sizeof(struct utmp)); 306 memset (ut, 0, sizeof (struct utmp));
294 rxvt_write_bsd_utmp(utmp_pos, ut); 307 rxvt_write_bsd_utmp (utmp_pos, ut);
295# endif
296#endif 308# endif
309#endif
297#ifdef HAVE_STRUCT_UTMPX 310#ifdef HAVE_STRUCT_UTMPX
298 if (utx->ut_pid == cmd_pid) 311 if (utx->ut_pid == cmd_pid)
299 pututxline(utx); 312 pututxline (utx);
300 endutxent(); 313 endutxent ();
301#endif 314#endif
315
316 cmd_pid = 0;
302} 317}
303 318
304/* ------------------------------------------------------------------------- */ 319/* ------------------------------------------------------------------------- */
305/* 320/*
306 * Write a BSD style utmp entry 321 * Write a BSD style utmp entry
307 */ 322 */
308#ifdef HAVE_UTMP_H 323#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
309/* INTPROTO */ 324static int
310int
311rxvt_write_bsd_utmp(int utmp_pos, struct utmp *wu) 325rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu)
312{ 326{
313 int fd; 327 int fd;
314 328
315 if (utmp_pos <= 0 || (fd = open(RXVT_UTMP_FILE, O_WRONLY)) == -1) 329 if (utmp_pos <= 0 || (fd = open (RXVT_UTMP_FILE, O_WRONLY)) == -1)
316 return 0; 330 return 0;
317 331
318 if (lseek(fd, (off_t) (utmp_pos * sizeof(struct utmp)), SEEK_SET) != -1) 332 if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1)
319 write(fd, wu, sizeof(struct utmp)); 333 write (fd, wu, sizeof (struct utmp));
320 close(fd); 334 close (fd);
321 return 1; 335 return 1;
322} 336}
323#endif 337#endif
324 338
325/* ------------------------------------------------------------------------- */ 339/* ------------------------------------------------------------------------- */
326/* 340/*
327 * Update a BSD style wtmp entry 341 * Update a BSD style wtmp entry
328 */ 342 */
329#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) 343#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP)
330/* INTPROTO */ 344static void
331void
332rxvt_update_wtmp(const char *fname, const struct utmp *putmp) 345rxvt_update_wtmp (const char *fname, const struct utmp *putmp)
333{ 346{
334 int fd, gotlock, retry; 347 int fd, gotlock, retry;
335 struct flock lck; /* fcntl locking scheme */ 348 struct flock lck; /* fcntl locking scheme */
336 struct stat sbuf; 349 struct stat sbuf;
337 350
338 if ((fd = open(fname, O_WRONLY | O_APPEND, 0)) < 0) 351 if ((fd = open (fname, O_WRONLY | O_APPEND, 0)) < 0)
339 return; 352 return;
340 353
341 lck.l_whence = SEEK_END; /* start lock at current eof */ 354 lck.l_whence = SEEK_END; /* start lock at current eof */
342 lck.l_len = 0; /* end at ``largest possible eof'' */ 355 lck.l_len = 0; /* end at ``largest possible eof'' */
343 lck.l_start = 0; 356 lck.l_start = 0;
344 lck.l_type = F_WRLCK; /* we want a write lock */ 357 lck.l_type = F_WRLCK; /* we want a write lock */
345 358
346 /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */ 359 /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */
347 for (retry = 10, gotlock = 0; retry--;) 360 for (retry = 10, gotlock = 0; retry--;)
348 if (fcntl(fd, F_SETLK, &lck) != -1) { 361 if (fcntl (fd, F_SETLK, &lck) != -1)
362 {
349 gotlock = 1; 363 gotlock = 1;
350 break; 364 break;
365 }
351 } else if (errno != EAGAIN && errno != EACCES) 366 else if (errno != EAGAIN && errno != EACCES)
352 break; 367 break;
368 if (!gotlock)
353 if (!gotlock) { /* give it up */ 369 { /* give it up */
354 close(fd); 370 close (fd);
355 return; 371 return;
356 } 372 }
357 if (fstat(fd, &sbuf) == 0) 373 if (fstat (fd, &sbuf) == 0)
358 if (write(fd, putmp, sizeof(struct utmp)) != sizeof(struct utmp)) 374 if (write (fd, putmp, sizeof (struct utmp)) != sizeof (struct utmp))
359 ftruncate(fd, sbuf.st_size); /* remove bad writes */ 375 ftruncate (fd, sbuf.st_size); /* remove bad writes */
360 376
361 lck.l_type = F_UNLCK; /* unlocking the file */ 377 lck.l_type = F_UNLCK; /* unlocking the file */
362 fcntl(fd, F_SETLK, &lck); 378 fcntl (fd, F_SETLK, &lck);
363 close(fd); 379 close (fd);
364} 380}
365#endif 381#endif
366 382
367/* ------------------------------------------------------------------------- */ 383/* ------------------------------------------------------------------------- */
368#ifdef LASTLOG_SUPPORT 384#ifdef LASTLOG_SUPPORT
369/* INTPROTO */ 385static void
370void
371rxvt_update_lastlog(const char *fname, const char *pty, const char *host) 386rxvt_update_lastlog (const char *fname, const char *pty, const char *host)
372{ 387{
373# ifdef HAVE_STRUCT_LASTLOGX 388# ifdef HAVE_STRUCT_LASTLOGX
374 struct lastlogx llx; 389 struct lastlogx llx;
375# endif 390# endif
376# ifdef HAVE_STRUCT_LASTLOG 391# ifdef HAVE_STRUCT_LASTLOG
377 int fd; 392 int fd;
378 struct lastlog ll; 393 struct lastlog ll;
379# ifdef LASTLOG_IS_DIR 394# ifdef LASTLOG_IS_DIR
380 char lastlogfile[256]; 395 char lastlogfile[256];
381# endif 396# endif
382 struct passwd *pwent; 397 struct passwd *pwent;
383# endif 398# endif
384 399
385# ifdef HAVE_STRUCT_LASTLOGX 400# ifdef HAVE_STRUCT_LASTLOGX
386 MEMSET(&llx, 0, sizeof(llx)); 401 memset (&llx, 0, sizeof (llx));
387 llx.ll_tv.tv_sec = time(NULL); 402 llx.ll_tv.tv_sec = time (NULL);
388 llx.ll_tv.tv_usec = 0; 403 llx.ll_tv.tv_usec = 0;
389 STRNCPY(llx.ll_line, pty, sizeof(llx.ll_line)); 404 strncpy (llx.ll_line, pty, sizeof (llx.ll_line));
390 STRNCPY(llx.ll_host, host, sizeof(llx.ll_host)); 405 strncpy (llx.ll_host, host, sizeof (llx.ll_host));
391 updlastlogx(RXVT_LASTLOGX_FILE, getuid(), &llx); 406 updlastlogx (RXVT_LASTLOGX_FILE, getuid (), &llx);
392# endif 407# endif
393 408
394# ifdef HAVE_STRUCT_LASTLOG 409# ifdef HAVE_STRUCT_LASTLOG
395 pwent = getpwuid(getuid()); 410 pwent = getpwuid (getuid ());
396 if (!pwent) { 411 if (!pwent)
397 rxvt_print_error("no entry in password file");
398 return;
399 } 412 {
400 MEMSET(&ll, 0, sizeof(ll)); 413 rxvt_warn ("no entry in password file, not updating lastlog.\n");
414 return;
415 }
416
417 memset (&ll, 0, sizeof (ll));
401 ll.ll_time = time(NULL); 418 ll.ll_time = time (NULL);
402 STRNCPY(ll.ll_line, pty, sizeof(ll.ll_line)); 419 strncpy (ll.ll_line, pty, sizeof (ll.ll_line));
403 STRNCPY(ll.ll_host, host, sizeof(ll.ll_host)); 420 strncpy (ll.ll_host, host, sizeof (ll.ll_host));
404# ifdef LASTLOG_IS_DIR 421# ifdef LASTLOG_IS_DIR
405 sprintf(lastlogfile, "%.*s/%.*s", 422 sprintf (lastlogfile, "%.*s/%.*s",
406 sizeof(lastlogfile) - sizeof(pwent->pw_name) - 2, fname, 423 sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2, fname,
407 sizeof(pwent->pw_name), 424 sizeof (pwent->pw_name),
408 (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown" 425 (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown"
409 : pwent->pw_name); 426 : pwent->pw_name);
410 if ((fd = open(lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0) { 427 if ((fd = open (lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0)
428 {
411 write(fd, &ll, sizeof(ll)); 429 write (fd, &ll, sizeof (ll));
412 close(fd); 430 close (fd);
413 } 431 }
414# else 432# else
415 if ((fd = open(fname, O_RDWR)) != -1) { 433 if ((fd = open (fname, O_RDWR)) != -1)
434 {
416 if (lseek(fd, (off_t) ((long)pwent->pw_uid * sizeof(ll)), 435 if (lseek (fd, (off_t) ((long)pwent->pw_uid * sizeof (ll)),
417 SEEK_SET) != -1) 436 SEEK_SET) != -1)
418 write(fd, &ll, sizeof(ll)); 437 write (fd, &ll, sizeof (ll));
419 close(fd); 438 close (fd);
420 } 439 }
421# endif /* LASTLOG_IS_DIR */ 440# endif /* LASTLOG_IS_DIR */
422# endif /* HAVE_STRUCT_LASTLOG */ 441# endif /* HAVE_STRUCT_LASTLOG */
423} 442}
424#endif /* LASTLOG_SUPPORT */ 443#endif /* LASTLOG_SUPPORT */

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