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Comparing rxvt-unicode/src/logging.C (file contents):
Revision 1.9 by pcg, Thu Apr 8 20:31:45 2004 UTC vs.
Revision 1.23 by root, Mon Jan 16 09:10:16 2006 UTC

… …
37 * 37 *
38 * Private: 38 * Private:
39 * rxvt_update_wtmp (); 39 * rxvt_update_wtmp ();
40 *----------------------------------------------------------------------*/ 40 *----------------------------------------------------------------------*/
41 41
42#include "../config.h" /* NECESSARY */ 42#include "../config.h"
43#include "rxvt.h" /* NECESSARY */ 43#include "rxvt.h"
44#include "logging.h" 44#include "logging.h"
45
45#ifdef UTMP_SUPPORT 46#ifdef UTMP_SUPPORT
47
48#if HAVE_STRUCT_UTMP
49static int rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu);
50static void rxvt_update_wtmp (const char *fname, const struct utmp *putmp);
51#endif
52
53static void rxvt_update_lastlog (const char *fname, const char *pty, const char *host);
46 54
47/* 55/*
48 * BSD style utmp entry 56 * BSD style utmp entry
49 * ut_line, ut_name, ut_host, ut_time 57 * ut_line, ut_name, ut_host, ut_time
50 * SYSV style utmp (and utmpx) entry 58 * SYSV style utmp (and utmpx) entry
… …
58 */ 66 */
59void 67void
60rxvt_term::makeutent (const char *pty, const char *hostname) 68rxvt_term::makeutent (const char *pty, const char *hostname)
61{ 69{
62#ifdef HAVE_STRUCT_UTMP 70#ifdef HAVE_STRUCT_UTMP
63 struct utmp *ut = & (this->ut); 71 struct utmp *ut = &this->ut;
64#endif 72#endif
65#ifdef HAVE_STRUCT_UTMPX 73#ifdef HAVE_STRUCT_UTMPX
66 struct utmpx *utx = & (this->utx); 74 struct utmpx *utx = &this->utx;
67#endif 75#endif
68#ifdef HAVE_UTMP_PID 76 int i;
69 int i;
70#endif
71 char ut_id[5];
72 struct passwd *pwent = getpwuid (getuid ()); 77 struct passwd *pwent = getpwuid (getuid ());
73 78
74 if (!STRNCMP (pty, "/dev/", 5)) 79 if (!strncmp (pty, "/dev/", 5))
75 pty += 5; /* skip /dev/ prefix */ 80 pty += 5; /* skip /dev/ prefix */
76 81
82#if defined(HAVE_UTMP_PID) || defined(HAVE_STRUCT_UTMPX)
77 if (!STRNCMP (pty, "pty", 3) || !STRNCMP (pty, "tty", 3)) 83 if (!strncmp (pty, "pty", 3) || !strncmp (pty, "tty", 3))
78 {
79 STRNCPY (ut_id, (pty + 3), sizeof (ut_id)); 84 strncpy (ut_id, pty + 3, sizeof (ut_id));
80 }
81#ifdef HAVE_UTMP_PID
82 else if (sscanf (pty, "pts/%d", &i) == 1) 85 else if (sscanf (pty, "pts/%d", &i) == 1)
83 sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */ 86 sprintf (ut_id, "vt%02x", (i & 0xff)); /* sysv naming */
84#endif
85 else if (STRNCMP (pty, "pty", 3) && STRNCMP (pty, "tty", 3)) 87 else if (strncmp (pty, "pty", 3) && strncmp (pty, "tty", 3))
86 { 88 {
87 rxvt_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty); 89 rxvt_warn ("can't parse tty name \"%s\", not adding utmp entry.\n", pty);
88 return; 90 return;
89 } 91 }
92#endif
90 93
91#ifdef HAVE_STRUCT_UTMP 94#ifdef HAVE_STRUCT_UTMP
92 MEMSET (ut, 0, sizeof (struct utmp)); 95 memset (ut, 0, sizeof (struct utmp));
93# ifdef HAVE_UTMP_PID 96# ifdef HAVE_UTMP_PID
94 setutent (); 97 setutent ();
95 STRNCPY (ut->ut_id, ut_id, sizeof (ut->ut_id)); 98 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
96 ut->ut_type = DEAD_PROCESS; 99 ut->ut_type = DEAD_PROCESS;
97 getutid (ut); /* position to entry in utmp file */ 100 getutid (ut); /* position to entry in utmp file */
98 STRNCPY (ut_id, ut_id, sizeof (ut_id)); 101 strncpy (this->ut_id, ut_id, sizeof (this->ut_id));
99# endif
100#endif 102# endif
103#endif
101 104
102#ifdef HAVE_STRUCT_UTMPX 105#ifdef HAVE_STRUCT_UTMPX
103 MEMSET (utx, 0, sizeof (struct utmpx)); 106 memset (utx, 0, sizeof (struct utmpx));
104 setutxent (); 107 setutxent ();
105 STRNCPY (utx->ut_id, ut_id, sizeof (utx->ut_id)); 108 strncpy (utx->ut_id, ut_id, sizeof (utx->ut_id));
106 utx->ut_type = DEAD_PROCESS; 109 utx->ut_type = DEAD_PROCESS;
107 getutxid (utx); /* position to entry in utmp file */ 110 getutxid (utx); /* position to entry in utmp file */
108 STRNCPY (ut_id, ut_id, sizeof (ut_id)); 111 strncpy (this->ut_id, ut_id, sizeof (this->ut_id));
109#endif 112#endif
110 113
111#ifdef HAVE_STRUCT_UTMP 114#ifdef HAVE_STRUCT_UTMP
112 STRNCPY (ut->ut_line, pty, sizeof (ut->ut_line)); 115 strncpy (ut->ut_line, pty, sizeof (ut->ut_line));
113 ut->ut_time = time (NULL); 116 ut->ut_time = time (NULL);
114# ifdef HAVE_UTMP_PID 117# ifdef HAVE_UTMP_PID
115 STRNCPY (ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 118 strncpy (ut->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
116 sizeof (ut->ut_user)); 119 sizeof (ut->ut_user));
117 STRNCPY (ut->ut_id, ut_id, sizeof (ut->ut_id)); 120 strncpy (ut->ut_id, ut_id, sizeof (ut->ut_id));
118 ut->ut_time = time (NULL); 121 ut->ut_time = time (NULL);
119 ut->ut_pid = cmd_pid; 122 ut->ut_pid = cmd_pid;
120# ifdef HAVE_UTMP_HOST 123# ifdef HAVE_UTMP_HOST
121 STRNCPY (ut->ut_host, hostname, sizeof (ut->ut_host)); 124 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
122# endif 125# endif
123 ut->ut_type = USER_PROCESS; 126 ut->ut_type = USER_PROCESS;
124 pututline (ut); 127 pututline (ut);
125 endutent (); /* close the file */ 128 endutent (); /* close the file */
126 utmp_pos = 0; 129 utmp_pos = 0;
127# else 130# else
128 STRNCPY (ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 131 strncpy (ut->ut_name, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
129 sizeof (ut->ut_name)); 132 sizeof (ut->ut_name));
130# ifdef HAVE_UTMP_HOST 133# ifdef HAVE_UTMP_HOST
131 STRNCPY (ut->ut_host, hostname, sizeof (ut->ut_host)); 134 strncpy (ut->ut_host, hostname, sizeof (ut->ut_host));
132# endif
133# endif 135# endif
134#endif 136# endif
137#endif
135 138
136#ifdef HAVE_STRUCT_UTMPX 139#ifdef HAVE_STRUCT_UTMPX
137 STRNCPY (utx->ut_line, pty, sizeof (utx->ut_line)); 140 strncpy (utx->ut_line, pty, sizeof (utx->ut_line));
138 STRNCPY (utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?", 141 strncpy (utx->ut_user, (pwent && pwent->pw_name) ? pwent->pw_name : "?",
139 sizeof (utx->ut_user)); 142 sizeof (utx->ut_user));
140 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
141 utx->ut_session = getsid (0); 145 utx->ut_session = getsid (0);
146# endif
142 utx->ut_tv.tv_sec = time (NULL); 147 utx->ut_tv.tv_sec = time (NULL);
143 utx->ut_tv.tv_usec = 0; 148 utx->ut_tv.tv_usec = 0;
144 utx->ut_pid = cmd_pid; 149 utx->ut_pid = cmd_pid;
145# ifdef HAVE_UTMPX_HOST 150# ifdef HAVE_UTMPX_HOST
146 STRNCPY (utx->ut_host, hostname, sizeof (utx->ut_host)); 151 strncpy (utx->ut_host, hostname, sizeof (utx->ut_host));
147# if 0 152# if 0
148 { 153 {
149 char *colon; 154 char *colon;
150 155
151 if ((colon = STRRCHR (ut->ut_host, ':')) != NULL) 156 if ((colon = strrchr (ut->ut_host, ':')) != NULL)
152 *colon = '\0'; 157 *colon = '\0';
153 } 158 }
154# endif 159# endif
155# endif 160# endif
156 utx->ut_type = USER_PROCESS; 161 utx->ut_type = USER_PROCESS;
… …
160#endif 165#endif
161 166
162#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID) 167#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
163 168
164 { 169 {
165 int i;
166# ifdef HAVE_TTYSLOT 170# ifdef HAVE_TTYSLOT
167 i = ttyslot (); 171 i = ttyslot ();
168 if (rxvt_write_bsd_utmp (i, ut)) 172 if (rxvt_write_bsd_utmp (i, ut))
169 utmp_pos = i; 173 utmp_pos = i;
170# else 174# else
171 FILE *fd0; 175 FILE *fd0;
172 176
173 if ((fd0 = fopen (TTYTAB_FILENAME, "r")) != NULL) 177 if ((fd0 = fopen (TTYTAB_FILENAME, "r")) != NULL)
174 { 178 {
175 char buf[256], name[256]; 179 char buf[256], name[256];
176 180
177 buf[sizeof (buf) - 1] = '\0'; 181 buf[sizeof (buf) - 1] = '\0';
178 for (i = 1; (fgets (buf, sizeof (buf) - 1, fd0) != NULL);) 182 for (i = 1; (fgets (buf, sizeof (buf) - 1, fd0) != NULL);)
179 { 183 {
180 if (*buf == '#' || sscanf (buf, "%s", name) != 1) 184 if (*buf == '#' || sscanf (buf, "%s", name) != 1)
181 continue; 185 continue;
182 if (!STRCMP (ut->ut_line, name)) 186 if (!strcmp (ut->ut_line, name))
183 { 187 {
184 if (!rxvt_write_bsd_utmp (i, ut)) 188 if (!rxvt_write_bsd_utmp (i, ut))
185 i = 0; 189 i = 0;
186 utmp_pos = i; 190 utmp_pos = i;
187 fclose (fd0); 191 fclose (fd0);
… …
190 i++; 194 i++;
191 } 195 }
192 fclose (fd0); 196 fclose (fd0);
193 } 197 }
194# endif 198# endif
195
196 } 199 }
197#endif 200#endif
198 201
199#ifdef WTMP_SUPPORT 202#ifdef WTMP_SUPPORT
200# ifdef WTMP_ONLY_ON_LOGIN 203# ifdef WTMP_ONLY_ON_LOGIN
201 if (Options & Opt_loginShell) 204 if (OPTION (Opt_loginShell))
202# endif 205# endif
203 { 206 {
204# ifdef HAVE_STRUCT_UTMP 207# ifdef HAVE_STRUCT_UTMP
205# ifdef HAVE_UPDWTMP 208# ifdef HAVE_UPDWTMP
206 updwtmp (RXVT_WTMP_FILE, ut); 209 updwtmp (RXVT_WTMP_FILE, ut);
207# else 210# else
208 rxvt_update_wtmp (RXVT_WTMP_FILE, ut); 211 rxvt_update_wtmp (RXVT_WTMP_FILE, ut);
209# endif 212# endif
210# endif 213# endif
211# ifdef HAVE_STRUCT_UTMPX 214# if defined(HAVE_STRUCT_UTMPX) && defined(HAVE_UPDWTMPX)
212 updwtmpx (RXVT_WTMPX_FILE, utx); 215 updwtmpx (RXVT_WTMPX_FILE, utx);
213# endif 216# endif
214 } 217 }
215#endif 218#endif
216#if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE) 219#if defined(LASTLOG_SUPPORT) && defined(RXVT_LASTLOG_FILE)
217 if (Options & Opt_loginShell) 220 if (OPTION (Opt_loginShell))
218 rxvt_update_lastlog (RXVT_LASTLOG_FILE, pty, hostname); 221 rxvt_update_lastlog (RXVT_LASTLOG_FILE, pty, hostname);
219#endif 222#endif
220} 223}
221 224
222/* ------------------------------------------------------------------------- */ 225/* ------------------------------------------------------------------------- */
… …
225 */ 228 */
226void 229void
227rxvt_term::cleanutent () 230rxvt_term::cleanutent ()
228{ 231{
229#ifdef HAVE_STRUCT_UTMP 232#ifdef HAVE_STRUCT_UTMP
230 struct utmp *ut = & (this->ut); 233 struct utmp *ut = &this->ut;
231#endif 234#endif
232#ifdef HAVE_STRUCT_UTMPX 235#ifdef HAVE_STRUCT_UTMPX
233 struct utmpx *tmputx, *utx = & (this->utx); 236 struct utmpx *tmputx, *utx = &this->utx;
234#endif 237#endif
235 238
236#ifdef HAVE_STRUCT_UTMP 239#ifdef HAVE_STRUCT_UTMP
237# ifdef HAVE_UTMP_PID 240# ifdef HAVE_UTMP_PID
238 MEMSET (ut, 0, sizeof (struct utmp)); 241 memset (ut, 0, sizeof (struct utmp));
239 setutent (); 242 setutent ();
240 STRNCPY (ut->ut_id, ut_id, sizeof (ut->ut_id)); 243 strncpy (ut->ut_id, this->ut_id, sizeof (ut->ut_id));
241 ut->ut_type = USER_PROCESS; 244 ut->ut_type = USER_PROCESS;
242 { 245 {
243 struct utmp *tmput = getutid (ut); 246 struct utmp *tmput = getutid (ut);
244 247
245 if (tmput) /* position to entry in utmp file */ 248 if (tmput) /* position to entry in utmp file */
246 ut = tmput; 249 ut = tmput;
247 } 250 }
248 ut->ut_type = DEAD_PROCESS; 251 ut->ut_type = DEAD_PROCESS;
249# else 252# else
250 MEMSET (ut->ut_name, 0, sizeof (ut->ut_name)); 253 memset (ut->ut_name, 0, sizeof (ut->ut_name));
251# ifdef HAVE_UTMP_HOST 254# ifdef HAVE_UTMP_HOST
252 MEMSET (ut->ut_host, 0, sizeof (ut->ut_host)); 255 memset (ut->ut_host, 0, sizeof (ut->ut_host));
253# endif 256# endif
254# endif 257# endif
255 ut->ut_time = time (NULL); 258 ut->ut_time = time (NULL);
256#endif 259#endif
257 260
258#ifdef HAVE_STRUCT_UTMPX 261#ifdef HAVE_STRUCT_UTMPX
259 MEMSET (utx, 0, sizeof (struct utmpx)); 262 memset (utx, 0, sizeof (struct utmpx));
260 setutxent (); 263 setutxent ();
261 STRNCPY (utx->ut_id, ut_id, sizeof (utx->ut_id)); 264 strncpy (utx->ut_id, this->ut_id, sizeof (utx->ut_id));
262 utx->ut_type = USER_PROCESS; 265 utx->ut_type = USER_PROCESS;
263 if ((tmputx = getutxid (utx))) /* position to entry in utmp file */ 266 if ((tmputx = getutxid (utx))) /* position to entry in utmp file */
264 utx = tmputx; 267 utx = tmputx;
265 utx->ut_type = DEAD_PROCESS; 268 utx->ut_type = DEAD_PROCESS;
269# if HAVE_UTMPX_SESSION
266 utx->ut_session = getsid (0); 270 utx->ut_session = getsid (0);
271# endif
267 utx->ut_tv.tv_sec = time (NULL); 272 utx->ut_tv.tv_sec = time (NULL);
268 utx->ut_tv.tv_usec = 0; 273 utx->ut_tv.tv_usec = 0;
269#endif 274#endif
270 275
271 /* 276 /*
272 * Write ending wtmp entry 277 * Write ending wtmp entry
273 */ 278 */
274#ifdef WTMP_SUPPORT 279#ifdef WTMP_SUPPORT
275# ifdef WTMP_ONLY_ON_LOGIN 280# ifdef WTMP_ONLY_ON_LOGIN
276 if (Options & Opt_loginShell) 281 if (OPTION (Opt_loginShell))
277# endif 282# endif
278 { 283 {
279# ifdef HAVE_STRUCT_UTMP 284# ifdef HAVE_STRUCT_UTMP
280# ifdef HAVE_UPDWTMP 285# ifdef HAVE_UPDWTMP
281 updwtmp (RXVT_WTMP_FILE, ut); 286 updwtmp (RXVT_WTMP_FILE, ut);
282# else 287# else
283 rxvt_update_wtmp (RXVT_WTMP_FILE, ut); 288 rxvt_update_wtmp (RXVT_WTMP_FILE, ut);
284# endif 289# endif
285# endif 290# endif
286# ifdef HAVE_STRUCT_UTMPX 291# ifdef HAVE_STRUCT_UTMPX
292# if HAVE_UPDWTMPX
287 updwtmpx (RXVT_WTMPX_FILE, utx); 293 updwtmpx (RXVT_WTMPX_FILE, utx);
294# else
295 pututxline (utx);
296# endif
288# endif 297# endif
289 } 298 }
290#endif 299#endif
291 300
292 /* 301 /*
… …
296# ifdef HAVE_UTMP_PID 305# ifdef HAVE_UTMP_PID
297 if (ut->ut_pid == cmd_pid) 306 if (ut->ut_pid == cmd_pid)
298 pututline (ut); 307 pututline (ut);
299 endutent (); 308 endutent ();
300# else 309# else
301 MEMSET (ut, 0, sizeof (struct utmp)); 310 memset (ut, 0, sizeof (struct utmp));
302 rxvt_write_bsd_utmp (utmp_pos, ut); 311 rxvt_write_bsd_utmp (utmp_pos, ut);
303# endif 312# endif
304#endif 313#endif
305#ifdef HAVE_STRUCT_UTMPX 314#ifdef HAVE_STRUCT_UTMPX
306 if (utx->ut_pid == cmd_pid) 315 if (utx->ut_pid == cmd_pid)
… …
311 320
312/* ------------------------------------------------------------------------- */ 321/* ------------------------------------------------------------------------- */
313/* 322/*
314 * Write a BSD style utmp entry 323 * Write a BSD style utmp entry
315 */ 324 */
316#ifdef HAVE_UTMP_H 325#if defined(HAVE_STRUCT_UTMP) && !defined(HAVE_UTMP_PID)
317/* INTPROTO */ 326static int
318int
319rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu) 327rxvt_write_bsd_utmp (int utmp_pos, struct utmp *wu)
320{ 328{
321 int fd; 329 int fd;
322 330
323 if (utmp_pos <= 0 || (fd = open (RXVT_UTMP_FILE, O_WRONLY)) == -1) 331 if (utmp_pos <= 0 || (fd = open (RXVT_UTMP_FILE, O_WRONLY)) == -1)
… …
332 340
333/* ------------------------------------------------------------------------- */ 341/* ------------------------------------------------------------------------- */
334/* 342/*
335 * Update a BSD style wtmp entry 343 * Update a BSD style wtmp entry
336 */ 344 */
337#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) 345#if defined(WTMP_SUPPORT) && !defined(HAVE_UPDWTMP) && defined(HAVE_STRUCT_UTMP)
338/* INTPROTO */ 346static void
339void
340rxvt_update_wtmp (const char *fname, const struct utmp *putmp) 347rxvt_update_wtmp (const char *fname, const struct utmp *putmp)
341{ 348{
342 int fd, gotlock, retry; 349 int fd, gotlock, retry;
343 struct flock lck; /* fcntl locking scheme */ 350 struct flock lck; /* fcntl locking scheme */
344 struct stat sbuf; 351 struct stat sbuf;
… …
375} 382}
376#endif 383#endif
377 384
378/* ------------------------------------------------------------------------- */ 385/* ------------------------------------------------------------------------- */
379#ifdef LASTLOG_SUPPORT 386#ifdef LASTLOG_SUPPORT
380/* INTPROTO */ 387static void
381void
382rxvt_update_lastlog (const char *fname, const char *pty, const char *host) 388rxvt_update_lastlog (const char *fname, const char *pty, const char *host)
383{ 389{
384# ifdef HAVE_STRUCT_LASTLOGX 390# ifdef HAVE_STRUCT_LASTLOGX
385 struct lastlogx llx; 391 struct lastlogx llx;
386# endif 392# endif
… …
392# endif 398# endif
393 struct passwd *pwent; 399 struct passwd *pwent;
394# endif 400# endif
395 401
396# ifdef HAVE_STRUCT_LASTLOGX 402# ifdef HAVE_STRUCT_LASTLOGX
397 MEMSET (&llx, 0, sizeof (llx)); 403 memset (&llx, 0, sizeof (llx));
398 llx.ll_tv.tv_sec = time (NULL); 404 llx.ll_tv.tv_sec = time (NULL);
399 llx.ll_tv.tv_usec = 0; 405 llx.ll_tv.tv_usec = 0;
400 STRNCPY (llx.ll_line, pty, sizeof (llx.ll_line)); 406 strncpy (llx.ll_line, pty, sizeof (llx.ll_line));
401 STRNCPY (llx.ll_host, host, sizeof (llx.ll_host)); 407 strncpy (llx.ll_host, host, sizeof (llx.ll_host));
402 updlastlogx (RXVT_LASTLOGX_FILE, getuid (), &llx); 408 updlastlogx (RXVT_LASTLOGX_FILE, getuid (), &llx);
403# endif 409# endif
404 410
405# ifdef HAVE_STRUCT_LASTLOG 411# ifdef HAVE_STRUCT_LASTLOG
406 pwent = getpwuid (getuid ()); 412 pwent = getpwuid (getuid ());
… …
408 { 414 {
409 rxvt_warn ("no entry in password file, not updating lastlog.\n"); 415 rxvt_warn ("no entry in password file, not updating lastlog.\n");
410 return; 416 return;
411 } 417 }
412 418
413 MEMSET (&ll, 0, sizeof (ll)); 419 memset (&ll, 0, sizeof (ll));
414 ll.ll_time = time (NULL); 420 ll.ll_time = time (NULL);
415 STRNCPY (ll.ll_line, pty, sizeof (ll.ll_line)); 421 strncpy (ll.ll_line, pty, sizeof (ll.ll_line));
416 STRNCPY (ll.ll_host, host, sizeof (ll.ll_host)); 422 strncpy (ll.ll_host, host, sizeof (ll.ll_host));
417# ifdef LASTLOG_IS_DIR 423# ifdef LASTLOG_IS_DIR
418 sprintf (lastlogfile, "%.*s/%.*s", 424 sprintf (lastlogfile, "%.*s/%.*s",
419 sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2, fname, 425 sizeof (lastlogfile) - sizeof (pwent->pw_name) - 2, fname,
420 sizeof (pwent->pw_name), 426 sizeof (pwent->pw_name),
421 (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown" 427 (!pwent->pw_name || pwent->pw_name[0] == '\0') ? "unknown"

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