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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 1.26 by ayin, Tue Jan 17 09:31:24 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 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 */ 34#include "../config.h"
42#include "rxvt.h" /* NECESSARY */ 35#include "rxvt.h"
43#include "logging.h" 36#include "logging.h"
37
44#ifdef UTMP_SUPPORT 38#ifdef 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_session::login (const char *pty, int cmd_pid, bool login_shell, const char *hostname)
60{ 61{
61#ifdef HAVE_STRUCT_UTMP 62 this->cmd_pid = cmd_pid;
62 struct utmp *ut = &(this->ut); 63 this->login_shell = login_shell;
63#endif 64
64#ifdef HAVE_STRUCT_UTMPX 65#ifdef HAVE_STRUCT_UTMP
65 struct utmpx *utx = &(this->utx); 66 struct utmp *ut = &this->ut;
66#endif 67#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 68#ifdef HAVE_STRUCT_UTMPX
69 struct utmpx *utx = &this->utx;
70#endif
71 int i;
72 struct passwd *pwent = getpwuid (getuid ());
73
74 if (!strncmp (pty, "/dev/", 5))
75 pty += 5; /* skip /dev/ prefix */
76
77#if defined(HAVE_UTMP_PID) || defined(HAVE_STRUCT_UTMPX)
78 if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3))
79 strncpy (ut_id, pty + 3, sizeof (ut_id));
80 else if (sscanf (pty, "pts/%d", &i) == 1)
81 sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */
82 else if (strncmp (pty, "pty", 3) && strncmp (pty, "tty", 3))
83 {
84 rxvt_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty);
85 return;
86 }
87#endif
88
89#ifdef HAVE_STRUCT_UTMP
89 MEMSET(ut, 0, sizeof(struct utmp)); 90 memset (ut, 0, sizeof (struct utmp));
90# ifdef HAVE_UTMP_PID 91# ifdef HAVE_UTMP_PID
91 setutent(); 92 setutent ();
92 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 93 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
93 ut->ut_type = DEAD_PROCESS; 94 ut->ut_type = DEAD_PROCESS;
94 getutid(ut); /* position to entry in utmp file */ 95 getutid (ut); /* position to entry in utmp file */
95 STRNCPY(ut_id, ut_id, sizeof(ut_id)); 96 strncpy (this->ut_id, ut_id, sizeof (this->ut_id));
96# endif
97#endif 97# 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 98#endif
107 99
108#ifdef HAVE_STRUCT_UTMP 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 (this->ut_id, ut_id, sizeof (this->ut_id));
107#endif
108
109#ifdef HAVE_STRUCT_UTMP
109 STRNCPY(ut->ut_line, pty, sizeof(ut->ut_line)); 110 strncpy (ut->ut_line, pty, sizeof (ut->ut_line));
110 ut->ut_time = time(NULL); 111 ut->ut_time = time (NULL);
111# ifdef HAVE_UTMP_PID 112# ifdef HAVE_UTMP_PID
112 STRNCPY(ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 113 strncpy (ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
113 sizeof(ut->ut_user)); 114 sizeof (ut->ut_user));
114 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 115 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
115 ut->ut_time = time(NULL); 116 ut->ut_time = time (NULL);
116 ut->ut_pid = cmd_pid; 117 ut->ut_pid = cmd_pid;
117# ifdef HAVE_UTMP_HOST 118# ifdef HAVE_UTMP_HOST
118 STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); 119 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
119# endif 120# endif
120 ut->ut_type = USER_PROCESS; 121 ut->ut_type = USER_PROCESS;
121 pututline(ut); 122 pututline (ut);
122 endutent(); /* close the file */ 123 endutent (); /* close the file */
123 utmp_pos = 0; 124 utmp_pos = 0;
124# else 125# else
125 STRNCPY(ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 126 strncpy (ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
126 sizeof(ut->ut_name)); 127 sizeof (ut->ut_name));
127# ifdef HAVE_UTMP_HOST 128# ifdef HAVE_UTMP_HOST
128 STRNCPY(ut->ut_host, hostname, sizeof(ut->ut_host)); 129 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
129# endif
130# endif 130# endif
131#endif 131# endif
132#endif
132 133
133#ifdef HAVE_STRUCT_UTMPX 134#ifdef HAVE_STRUCT_UTMPX
134 STRNCPY(utx->ut_line, pty, sizeof(utx->ut_line)); 135 strncpy (utx->ut_line, pty, sizeof (utx->ut_line));
135 STRNCPY(utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 136 strncpy (utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
136 sizeof(utx->ut_user)); 137 sizeof (utx->ut_user));
137 STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id)); 138 strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
139# if HAVE_UTMPX_SESSION
138 utx->ut_session = getsid(0); 140 utx->ut_session = getsid (0);
141# endif
139 utx->ut_tv.tv_sec = time(NULL); 142 utx->ut_tv.tv_sec = time (NULL);
140 utx->ut_tv.tv_usec = 0; 143 utx->ut_tv.tv_usec = 0;
141 utx->ut_pid = cmd_pid; 144 utx->ut_pid = cmd_pid;
142# ifdef HAVE_UTMPX_HOST 145# ifdef HAVE_UTMPX_HOST
143 STRNCPY(utx->ut_host, hostname, sizeof(utx->ut_host)); 146 strncpy (utx->ut_host, hostname, sizeof (utx->ut_host));
144# if 0 147# if 0
145 { 148 {
146 char *colon; 149 char *colon;
147 150
148 if ((colon = STRRCHR(ut->ut_host, ':')) != NULL) 151 if ((colon = strrchr (ut->ut_host, ':')) != NULL)
149 *colon = '\0'; 152 *colon = '\0';
150 } 153 }
151# endif
152# endif 154# endif
155# endif
153 utx->ut_type = USER_PROCESS; 156 utx->ut_type = USER_PROCESS;
154 pututxline(utx); 157 pututxline (utx);
155 endutxent(); /* close the file */ 158 endutxent (); /* close the file */
156 utmp_pos = 0; 159 utmp_pos = 0;
157#endif 160#endif
158 161
159#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) 162#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
163
160 { 164 {
161 int i;
162# ifdef HAVE_TTYSLOT 165# ifdef HAVE_TTYSLOT
163 i = ttyslot(); 166 i = ttyslot ();
164 if (rxvt_write_bsd_utmp(i, ut)) 167 if (rxvt_write_bsd_utmp (i, ut))
165 utmp_pos = i; 168 utmp_pos = i;
166# else 169# else
167 FILE *fd0; 170 FILE *fd0;
168 171
169 if ((fd0 = fopen(TTYTAB_FILENAME, "r")) != NULL) { 172 if ((fd0 = fopen (TTYTAB_FILENAME, "r")) != NULL)
173 {
170 char buf[256], name[256]; 174 char buf[256], name[256];
171 175
172 buf[sizeof(buf) - 1] = '\0'; 176 buf[sizeof (buf) - 1] = '\0';
173 for (i = 1; (fgets(buf, sizeof(buf) - 1, fd0) != NULL);) { 177 for (i = 1; (fgets (buf, sizeof (buf) - 1, fd0) != NULL);)
178 {
174 if (*buf == '#' || sscanf(buf, "%s", name) != 1) 179 if (*buf == '#' || sscanf (buf, "%s", name) != 1)
175 continue; 180 continue;
176 if (!STRCMP(ut->ut_line, name)) { 181 if (!strcmp (ut->ut_line, name))
182 {
177 if (!rxvt_write_bsd_utmp(i, ut)) 183 if (!rxvt_write_bsd_utmp (i, ut))
178 i = 0; 184 i = 0;
179 utmp_pos = i; 185 utmp_pos = i;
180 fclose(fd0); 186 fclose (fd0);
181 break; 187 break;
182 } 188 }
183 i++; 189 i++;
184 } 190 }
185 fclose(fd0); 191 fclose (fd0);
186 }
187# endif
188 } 192 }
193# endif
194 }
189#endif 195#endif
190 196
191#ifdef WTMP_SUPPORT 197#ifdef WTMP_SUPPORT
192# ifdef WTMP_ONLY_ON_LOGIN 198# ifdef WTMP_ONLY_ON_LOGIN
193 if (Options & Opt_loginShell) 199 if (login_shell)
194# endif 200# endif
195 { 201 {
196# ifdef HAVE_STRUCT_UTMP 202# ifdef HAVE_STRUCT_UTMP
197# ifdef HAVE_UPDWTMP 203# ifdef HAVE_UPDWTMP
198 updwtmp(RXVT_WTMP_FILE, ut); 204 updwtmp (RXVT_WTMP_FILE, ut);
199# else 205# else
200 rxvt_update_wtmp(RXVT_WTMP_FILE, ut); 206 rxvt_update_wtmp (RXVT_WTMP_FILE, ut);
201# endif
202# endif 207# endif
203# ifdef HAVE_STRUCT_UTMPX 208# endif
209# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
204 updwtmpx(RXVT_WTMPX_FILE, utx); 210 updwtmpx (RXVT_WTMPX_FILE, utx);
205# endif 211# endif
206 } 212 }
207#endif 213#endif
208#if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) 214#if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE)
209 if (Options & Opt_loginShell) 215 if (login_shell)
210 rxvt_update_lastlog(RXVT_LASTLOG_FILE, pty, hostname); 216 rxvt_update_lastlog (RXVT_LASTLOG_FILE, pty, hostname);
211#endif 217#endif
212} 218}
213 219
214/* ------------------------------------------------------------------------- */ 220/* ------------------------------------------------------------------------- */
215/* 221/*
216 * remove utmp and wtmp entries 222 * remove utmp and wtmp entries
217 */ 223 */
218void 224void
219rxvt_term::cleanutent () 225rxvt_session::logout ()
220{ 226{
221#ifdef HAVE_STRUCT_UTMP 227#ifdef HAVE_STRUCT_UTMP
222 struct utmp *ut = &(this->ut); 228 struct utmp *tmput, *ut = &this->ut;
223#endif 229#endif
224#ifdef HAVE_STRUCT_UTMPX 230#ifdef HAVE_STRUCT_UTMPX
225 struct utmpx *tmputx, *utx = &(this->utx); 231 struct utmpx *tmputx, *utx = &this->utx;
226#endif 232#endif
227 233
228#ifdef HAVE_STRUCT_UTMP 234#ifdef HAVE_STRUCT_UTMP
229# ifdef HAVE_UTMP_PID 235# ifdef HAVE_UTMP_PID
230 MEMSET(ut, 0, sizeof(struct utmp)); 236 memset (ut, 0, sizeof (struct utmp));
231 setutent(); 237 setutent ();
232 STRNCPY(ut->ut_id, ut_id, sizeof(ut->ut_id)); 238 strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id));
233 ut->ut_type = USER_PROCESS; 239 ut->ut_type = USER_PROCESS;
234 {
235 struct utmp *tmput = getutid(ut);
236
237 if (tmput) /* position to entry in utmp file */ 240 if ((tmput = getutid (ut))) /* position to entry in utmp file */
238 ut = tmput; 241 ut = tmput;
239 }
240 ut->ut_type = DEAD_PROCESS; 242 ut->ut_type = DEAD_PROCESS;
241# else 243# else
242 MEMSET(ut->ut_name, 0, sizeof(ut->ut_name)); 244 memset (ut->ut_name, 0, sizeof (ut->ut_name));
243# ifdef HAVE_UTMP_HOST 245# ifdef HAVE_UTMP_HOST
244 MEMSET(ut->ut_host, 0, sizeof(ut->ut_host)); 246 memset (ut->ut_host, 0, sizeof (ut->ut_host));
245# endif
246# endif 247# endif
248# endif
247 ut->ut_time = time(NULL); 249 ut->ut_time = time (NULL);
248#endif 250#endif
249 251
250#ifdef HAVE_STRUCT_UTMPX 252#ifdef HAVE_STRUCT_UTMPX
251 MEMSET(utx, 0, sizeof(struct utmpx)); 253 memset (utx, 0, sizeof (struct utmpx));
252 setutxent(); 254 setutxent ();
253 STRNCPY(utx->ut_id, ut_id, sizeof(utx->ut_id)); 255 strncpy (utx->ut_id, this->ut_id, sizeof (utx->ut_id));
254 utx->ut_type = USER_PROCESS; 256 utx->ut_type = USER_PROCESS;
255 if ((tmputx = getutxid(utx))) /* position to entry in utmp file */ 257 if ((tmputx = getutxid (utx))) /* position to entry in utmp file */
256 utx = tmputx; 258 utx = tmputx;
257 utx->ut_type = DEAD_PROCESS; 259 utx->ut_type = DEAD_PROCESS;
260# if HAVE_UTMPX_SESSION
258 utx->ut_session = getsid(0); 261 utx->ut_session = getsid (0);
262# endif
259 utx->ut_tv.tv_sec = time(NULL); 263 utx->ut_tv.tv_sec = time (NULL);
260 utx->ut_tv.tv_usec = 0; 264 utx->ut_tv.tv_usec = 0;
261#endif 265#endif
262 266
263 /* 267 /*
264 * Write ending wtmp entry 268 * Write ending wtmp entry
265 */ 269 */
266#ifdef WTMP_SUPPORT 270#ifdef WTMP_SUPPORT
267# ifdef WTMP_ONLY_ON_LOGIN 271# ifdef WTMP_ONLY_ON_LOGIN
268 if (Options & Opt_loginShell) 272 if (login_shell)
269# endif 273# endif
270 { 274 {
271# ifdef HAVE_STRUCT_UTMP 275# ifdef HAVE_STRUCT_UTMP
272# ifdef HAVE_UPDWTMP 276# ifdef HAVE_UPDWTMP
273 updwtmp(RXVT_WTMP_FILE, ut); 277 updwtmp (RXVT_WTMP_FILE, ut);
274# else 278# else
275 rxvt_update_wtmp(RXVT_WTMP_FILE, ut); 279 rxvt_update_wtmp (RXVT_WTMP_FILE, ut);
276# endif
277# endif 280# endif
278# ifdef HAVE_STRUCT_UTMPX
279 updwtmpx(RXVT_WTMPX_FILE, utx);
280# endif
281 }
282#endif 281# endif
282# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
283 updwtmpx (RXVT_WTMPX_FILE, utx);
284# endif
285 }
286#endif
283 287
284 /* 288 /*
285 * Write utmp entry 289 * Write utmp entry
286 */ 290 */
287#ifdef HAVE_STRUCT_UTMP 291#ifdef HAVE_STRUCT_UTMP
288# ifdef HAVE_UTMP_PID 292# ifdef HAVE_UTMP_PID
289 if (ut->ut_pid == cmd_pid) 293 if (ut->ut_pid == cmd_pid)
290 pututline(ut); 294 pututline (ut);
291 endutent(); 295 endutent ();
292# else 296# else
293 MEMSET(ut, 0, sizeof(struct utmp)); 297 memset (ut, 0, sizeof (struct utmp));
294 rxvt_write_bsd_utmp(utmp_pos, ut); 298 rxvt_write_bsd_utmp (utmp_pos, ut);
295# endif
296#endif 299# endif
300#endif
297#ifdef HAVE_STRUCT_UTMPX 301#ifdef HAVE_STRUCT_UTMPX
298 if (utx->ut_pid == cmd_pid) 302 if (utx->ut_pid == cmd_pid)
299 pututxline(utx); 303 pututxline (utx);
300 endutxent(); 304 endutxent ();
301#endif 305#endif
302} 306}
303 307
304/* ------------------------------------------------------------------------- */ 308/* ------------------------------------------------------------------------- */
305/* 309/*
306 * Write a BSD style utmp entry 310 * Write a BSD style utmp entry
307 */ 311 */
308#ifdef HAVE_UTMP_H 312#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
309/* INTPROTO */ 313static int
310int
311rxvt_write_bsd_utmp(int utmp_pos, struct utmp *wu) 314rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu)
312{ 315{
313 int fd; 316 int fd;
314 317
315 if (utmp_pos <= 0 || (fd = open(RXVT_UTMP_FILE, O_WRONLY)) == -1) 318 if (utmp_pos <= 0 || (fd = open (RXVT_UTMP_FILE, O_WRONLY)) == -1)
316 return 0; 319 return 0;
317 320
318 if (lseek(fd, (off_t) (utmp_pos * sizeof(struct utmp)), SEEK_SET) != -1) 321 if (lseek (fd, (off_t) (utmp_pos * sizeof (struct utmp)), SEEK_SET) != -1)
319 write(fd, wu, sizeof(struct utmp)); 322 write (fd, wu, sizeof (struct utmp));
320 close(fd); 323 close (fd);
321 return 1; 324 return 1;
322} 325}
323#endif 326#endif
324 327
325/* ------------------------------------------------------------------------- */ 328/* ------------------------------------------------------------------------- */
326/* 329/*
327 * Update a BSD style wtmp entry 330 * Update a BSD style wtmp entry
328 */ 331 */
329#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) 332#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP)
330/* INTPROTO */ 333static void
331void
332rxvt_update_wtmp(const char *fname, const struct utmp *putmp) 334rxvt_update_wtmp (const char *fname, const struct utmp *putmp)
333{ 335{
334 int fd, gotlock, retry; 336 int fd, gotlock, retry;
335 struct flock lck; /* fcntl locking scheme */ 337 struct flock lck; /* fcntl locking scheme */
336 struct stat sbuf; 338 struct stat sbuf;
337 339
338 if ((fd = open(fname, O_WRONLY | O_APPEND, 0)) < 0) 340 if ((fd = open (fname, O_WRONLY | O_APPEND, 0)) < 0)
339 return; 341 return;
340 342
341 lck.l_whence = SEEK_END; /* start lock at current eof */ 343 lck.l_whence = SEEK_END; /* start lock at current eof */
342 lck.l_len = 0; /* end at ``largest possible eof'' */ 344 lck.l_len = 0; /* end at ``largest possible eof'' */
343 lck.l_start = 0; 345 lck.l_start = 0;
344 lck.l_type = F_WRLCK; /* we want a write lock */ 346 lck.l_type = F_WRLCK; /* we want a write lock */
345 347
346 /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */ 348 /* attempt lock with F_SETLK; F_SETLKW would cause a deadlock! */
347 for (retry = 10, gotlock = 0; retry--;) 349 for (retry = 10, gotlock = 0; retry--;)
348 if (fcntl(fd, F_SETLK, &lck) != -1) { 350 if (fcntl (fd, F_SETLK, &lck) != -1)
351 {
349 gotlock = 1; 352 gotlock = 1;
350 break; 353 break;
354 }
351 } else if (errno != EAGAIN && errno != EACCES) 355 else if (errno != EAGAIN && errno != EACCES)
352 break; 356 break;
357 if (!gotlock)
353 if (!gotlock) { /* give it up */ 358 { /* give it up */
354 close(fd); 359 close (fd);
355 return; 360 return;
356 } 361 }
357 if (fstat(fd, &sbuf) == 0) 362 if (fstat (fd, &sbuf) == 0)
358 if (write(fd, putmp, sizeof(struct utmp)) != sizeof(struct utmp)) 363 if (write (fd, putmp, sizeof (struct utmp)) != sizeof (struct utmp))
359 ftruncate(fd, sbuf.st_size); /* remove bad writes */ 364 ftruncate (fd, sbuf.st_size); /* remove bad writes */
360 365
361 lck.l_type = F_UNLCK; /* unlocking the file */ 366 lck.l_type = F_UNLCK; /* unlocking the file */
362 fcntl(fd, F_SETLK, &lck); 367 fcntl (fd, F_SETLK, &lck);
363 close(fd); 368 close (fd);
364} 369}
365#endif 370#endif
366 371
367/* ------------------------------------------------------------------------- */ 372/* ------------------------------------------------------------------------- */
368#ifdef LASTLOG_SUPPORT 373#ifdef LASTLOG_SUPPORT
369/* INTPROTO */ 374static void
370void
371rxvt_update_lastlog(const char *fname, const char *pty, const char *host) 375rxvt_update_lastlog (const char *fname, const char *pty, const char *host)
372{ 376{
373# ifdef HAVE_STRUCT_LASTLOGX 377# ifdef HAVE_STRUCT_LASTLOGX
374 struct lastlogx llx; 378 struct lastlogx llx;
375# endif 379# endif
376# ifdef HAVE_STRUCT_LASTLOG 380# ifdef HAVE_STRUCT_LASTLOG
377 int fd; 381 int fd;
378 struct lastlog ll; 382 struct lastlog ll;
379# ifdef LASTLOG_IS_DIR 383# ifdef LASTLOG_IS_DIR
380 char lastlogfile[256]; 384 char lastlogfile[256];
381# endif 385# endif
382 struct passwd *pwent; 386 struct passwd *pwent;
383# endif 387# endif
384 388
385# ifdef HAVE_STRUCT_LASTLOGX 389# ifdef HAVE_STRUCT_LASTLOGX
386 MEMSET(&llx, 0, sizeof(llx)); 390 memset (&llx, 0, sizeof (llx));
387 llx.ll_tv.tv_sec = time(NULL); 391 llx.ll_tv.tv_sec = time (NULL);
388 llx.ll_tv.tv_usec = 0; 392 llx.ll_tv.tv_usec = 0;
389 STRNCPY(llx.ll_line, pty, sizeof(llx.ll_line)); 393 strncpy (llx.ll_line, pty, sizeof (llx.ll_line));
390 STRNCPY(llx.ll_host, host, sizeof(llx.ll_host)); 394 strncpy (llx.ll_host, host, sizeof (llx.ll_host));
391 updlastlogx(RXVT_LASTLOGX_FILE, getuid(), &llx); 395 updlastlogx (RXVT_LASTLOGX_FILE, getuid (), &llx);
392# endif 396# endif
393 397
394# ifdef HAVE_STRUCT_LASTLOG 398# ifdef HAVE_STRUCT_LASTLOG
395 pwent = getpwuid(getuid()); 399 pwent = getpwuid (getuid ());
396 if (!pwent) { 400 if (!pwent)
397 rxvt_print_error("no entry in password file");
398 return;
399 } 401 {
400 MEMSET(&ll, 0, sizeof(ll)); 402 rxvt_warn ("no entry in password file, not updating lastlog.\n");
403 return;
404 }
405
406 memset (&ll, 0, sizeof (ll));
401 ll.ll_time = time(NULL); 407 ll.ll_time = time (NULL);
402 STRNCPY(ll.ll_line, pty, sizeof(ll.ll_line)); 408 strncpy (ll.ll_line, pty, sizeof (ll.ll_line));
403 STRNCPY(ll.ll_host, host, sizeof(ll.ll_host)); 409 strncpy (ll.ll_host, host, sizeof (ll.ll_host));
404# ifdef LASTLOG_IS_DIR 410# ifdef LASTLOG_IS_DIR
405 sprintf(lastlogfile, "%.*s/%.*s", 411 sprintf (lastlogfile, "%.*s/%.*s",
406 sizeof(lastlogfile) - sizeof(pwent->pw_name) - 2, fname, 412 sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2, fname,
407 sizeof(pwent->pw_name), 413 sizeof (pwent->pw_name),
408 (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown" 414 (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown"
409 : pwent->pw_name); 415 : pwent->pw_name);
410 if ((fd = open(lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0) { 416 if ((fd = open (lastlogfile, O_WRONLY | O_CREAT, 0644)) >= 0)
417 {
411 write(fd, &ll, sizeof(ll)); 418 write (fd, &ll, sizeof (ll));
412 close(fd); 419 close (fd);
413 } 420 }
414# else 421# else
415 if ((fd = open(fname, O_RDWR)) != -1) { 422 if ((fd = open (fname, O_RDWR)) != -1)
423 {
416 if (lseek(fd, (off_t) ((long)pwent->pw_uid * sizeof(ll)), 424 if (lseek (fd, (off_t) ((long)pwent->pw_uid * sizeof (ll)),
417 SEEK_SET) != -1) 425 SEEK_SET) != -1)
418 write(fd, &ll, sizeof(ll)); 426 write (fd, &ll, sizeof (ll));
419 close(fd); 427 close (fd);
420 } 428 }
421# endif /* LASTLOG_IS_DIR */ 429# endif /* LASTLOG_IS_DIR */
422# endif /* HAVE_STRUCT_LASTLOG */ 430# endif /* HAVE_STRUCT_LASTLOG */
423} 431}
424#endif /* LASTLOG_SUPPORT */ 432#endif /* LASTLOG_SUPPORT */

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