1 /* 2 * Copyright (c) 1989, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Michael Fischbein. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)print.c 8.4 (Berkeley) 4/17/94"; 40 #else 41 static const char rcsid[] = 42 "$FreeBSD$"; 43 #endif 44 #endif /* not lint */ 45 46 #include <sys/param.h> 47 #include <sys/stat.h> 48 49 #include <err.h> 50 #include <errno.h> 51 #include <fts.h> 52 #include <grp.h> 53 #include <pwd.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <string.h> 57 #include <time.h> 58 #include <unistd.h> 59 #ifdef COLORLS 60 #include <ctype.h> 61 #include <termcap.h> 62 #include <term.h> /* for tparm */ 63 #include <signal.h> 64 #endif 65 66 #include "ls.h" 67 #include "extern.h" 68 69 static int printaname __P((FTSENT *, u_long, u_long)); 70 static void printlink __P((FTSENT *)); 71 static void printtime __P((time_t)); 72 static int printtype __P((u_int)); 73 74 #define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT) 75 76 #ifdef COLORLS 77 /* Most of these are taken from <sys/stat.h> */ 78 typedef enum Colors { 79 C_DIR, /* directory */ 80 C_LNK, /* symbolic link */ 81 C_SOCK, /* socket */ 82 C_FIFO, /* pipe */ 83 C_EXEC, /* executable */ 84 C_BLK, /* block special */ 85 C_CHR, /* character special */ 86 C_SUID, /* setuid executable */ 87 C_SGID, /* setgid executable */ 88 C_WSDIR, /* directory writeble to others, with sticky bit */ 89 C_WDIR, /* directory writeble to others, without sticky bit */ 90 C_NUMCOLORS /* just a place-holder */ 91 } Colors ; 92 93 char *defcolors = "4x5x2x3x1x464301060203"; 94 95 static int colors[C_NUMCOLORS][2]; 96 #endif 97 98 void 99 printscol(dp) 100 DISPLAY *dp; 101 { 102 FTSENT *p; 103 104 for (p = dp->list; p; p = p->fts_link) { 105 if (IS_NOPRINT(p)) 106 continue; 107 (void)printaname(p, dp->s_inode, dp->s_block); 108 (void)putchar('\n'); 109 } 110 } 111 112 void 113 printlong(dp) 114 DISPLAY *dp; 115 { 116 struct stat *sp; 117 FTSENT *p; 118 NAMES *np; 119 char buf[20]; 120 #ifdef COLORLS 121 int color_printed = 0; 122 #endif 123 124 if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) 125 (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 126 127 for (p = dp->list; p; p = p->fts_link) { 128 if (IS_NOPRINT(p)) 129 continue; 130 sp = p->fts_statp; 131 if (f_inode) 132 (void)printf("%*lu ", dp->s_inode, (u_long)sp->st_ino); 133 if (f_size) 134 (void)printf("%*qd ", 135 dp->s_block, howmany(sp->st_blocks, blocksize)); 136 (void)strmode(sp->st_mode, buf); 137 np = p->fts_pointer; 138 (void)printf("%s %*u %-*s %-*s ", buf, dp->s_nlink, 139 sp->st_nlink, dp->s_user, np->user, dp->s_group, 140 np->group); 141 if (f_flags) 142 (void)printf("%-*s ", dp->s_flags, np->flags); 143 if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode)) 144 if (minor(sp->st_rdev) > 255 || minor(sp->st_rdev) < 0) 145 (void)printf("%3d, 0x%08x ", 146 major(sp->st_rdev), 147 (u_int)minor(sp->st_rdev)); 148 else 149 (void)printf("%3d, %3d ", 150 major(sp->st_rdev), minor(sp->st_rdev)); 151 else if (dp->bcfile) 152 (void)printf("%*s%*qd ", 153 8 - dp->s_size, "", dp->s_size, sp->st_size); 154 else 155 (void)printf("%*qd ", dp->s_size, sp->st_size); 156 if (f_accesstime) 157 printtime(sp->st_atime); 158 else if (f_statustime) 159 printtime(sp->st_ctime); 160 else 161 printtime(sp->st_mtime); 162 #ifdef COLORLS 163 if (f_color) 164 color_printed = colortype(sp->st_mode); 165 #endif 166 if (f_octal || f_octal_escape) (void)prn_octal(p->fts_name); 167 else (void)printf("%s", p->fts_name); 168 #ifdef COLORLS 169 if (f_color && color_printed) 170 endcolor(); 171 #endif 172 if (f_type) 173 (void)printtype(sp->st_mode); 174 if (S_ISLNK(sp->st_mode)) 175 printlink(p); 176 (void)putchar('\n'); 177 } 178 } 179 180 void 181 printcol(dp) 182 DISPLAY *dp; 183 { 184 extern int termwidth; 185 static FTSENT **array; 186 static int lastentries = -1; 187 FTSENT *p; 188 int base, chcnt, cnt, col, colwidth, num; 189 int endcol, numcols, numrows, row; 190 int tabwidth; 191 192 if (f_notabs) 193 tabwidth = 1; 194 else 195 tabwidth = 8; 196 197 /* 198 * Have to do random access in the linked list -- build a table 199 * of pointers. 200 */ 201 if (dp->entries > lastentries) { 202 lastentries = dp->entries; 203 if ((array = 204 realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) { 205 warn(NULL); 206 printscol(dp); 207 } 208 } 209 for (p = dp->list, num = 0; p; p = p->fts_link) 210 if (p->fts_number != NO_PRINT) 211 array[num++] = p; 212 213 colwidth = dp->maxlen; 214 if (f_inode) 215 colwidth += dp->s_inode + 1; 216 if (f_size) 217 colwidth += dp->s_block + 1; 218 if (f_type) 219 colwidth += 1; 220 221 colwidth = (colwidth + tabwidth) & ~(tabwidth - 1); 222 if (termwidth < 2 * colwidth) { 223 printscol(dp); 224 return; 225 } 226 227 numcols = termwidth / colwidth; 228 numrows = num / numcols; 229 if (num % numcols) 230 ++numrows; 231 232 if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) 233 (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 234 for (row = 0; row < numrows; ++row) { 235 endcol = colwidth; 236 for (base = row, chcnt = col = 0; col < numcols; ++col) { 237 chcnt += printaname(array[base], dp->s_inode, 238 dp->s_block); 239 if ((base += numrows) >= num) 240 break; 241 #ifdef COLORLS 242 /* 243 * some terminals get confused if we mix tabs 244 * with color sequences 245 */ 246 if (f_color) 247 while ((cnt = (chcnt + 1)) <= endcol) { 248 (void)putchar(' '); 249 chcnt = cnt; 250 } 251 else 252 #endif 253 while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1))) 254 <= endcol){ 255 (void)putchar(f_notabs ? ' ' : '\t'); 256 chcnt = cnt; 257 } 258 endcol += colwidth; 259 } 260 (void)putchar('\n'); 261 } 262 } 263 264 /* 265 * print [inode] [size] name 266 * return # of characters printed, no trailing characters. 267 */ 268 static int 269 printaname(p, inodefield, sizefield) 270 FTSENT *p; 271 u_long sizefield, inodefield; 272 { 273 struct stat *sp; 274 int chcnt; 275 #ifdef COLORLS 276 int color_printed = 0; 277 #endif 278 279 sp = p->fts_statp; 280 chcnt = 0; 281 if (f_inode) 282 chcnt += printf("%*lu ", (int)inodefield, (u_long)sp->st_ino); 283 if (f_size) 284 chcnt += printf("%*qd ", 285 (int)sizefield, howmany(sp->st_blocks, blocksize)); 286 #ifdef COLORLS 287 if (f_color) 288 color_printed = colortype(sp->st_mode); 289 #endif 290 chcnt += (f_octal || f_octal_escape) ? prn_octal(p->fts_name) 291 : printf("%s", p->fts_name); 292 #ifdef COLORLS 293 if (f_color && color_printed) 294 endcolor(); 295 #endif 296 if (f_type) 297 chcnt += printtype(sp->st_mode); 298 return (chcnt); 299 } 300 301 static void 302 printtime(ftime) 303 time_t ftime; 304 { 305 int i; 306 char longstring[80]; 307 static time_t now; 308 309 if (now == 0) 310 now = time(NULL); 311 312 strftime(longstring, sizeof(longstring), "%c", localtime(&ftime)); 313 for (i = 4; i < 11; ++i) 314 (void)putchar(longstring[i]); 315 316 #define SIXMONTHS ((365 / 2) * 86400) 317 if (f_sectime) 318 for (i = 11; i < 24; i++) 319 (void)putchar(longstring[i]); 320 else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS) 321 for (i = 11; i < 16; ++i) 322 (void)putchar(longstring[i]); 323 else { 324 (void)putchar(' '); 325 for (i = 20; i < 24; ++i) 326 (void)putchar(longstring[i]); 327 } 328 (void)putchar(' '); 329 } 330 331 static int 332 printtype(mode) 333 u_int mode; 334 { 335 switch (mode & S_IFMT) { 336 case S_IFDIR: 337 (void)putchar('/'); 338 return (1); 339 case S_IFIFO: 340 (void)putchar('|'); 341 return (1); 342 case S_IFLNK: 343 (void)putchar('@'); 344 return (1); 345 case S_IFSOCK: 346 (void)putchar('='); 347 return (1); 348 case S_IFWHT: 349 (void)putchar('%'); 350 return (1); 351 } 352 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 353 (void)putchar('*'); 354 return (1); 355 } 356 return (0); 357 } 358 359 #ifdef COLORLS 360 int putch(c) 361 int c; 362 { 363 return putc(c, stdout); 364 } 365 366 367 void 368 printcolor(c) 369 Colors c; 370 { 371 char *ansiseq; 372 373 if (colors[c][0] != -1) { 374 ansiseq = tparm(ansi_fgcol, colors[c][0]); 375 if (ansiseq) 376 tputs(ansiseq, 1, putch); 377 } 378 379 if (colors[c][1] != -1) { 380 ansiseq = tparm(ansi_bgcol, colors[c][1]); 381 if (ansiseq) 382 tputs(ansiseq, 1, putch); 383 } 384 } 385 386 void 387 endcolor() 388 { 389 tputs(ansi_coloff, 1, putch); 390 } 391 392 int 393 colortype(mode) 394 mode_t mode; 395 { 396 switch(mode & S_IFMT) { 397 case S_IFDIR: 398 if (mode & S_IWOTH) 399 if (mode & S_ISTXT) 400 printcolor(C_WSDIR); 401 else 402 printcolor(C_WDIR); 403 else 404 printcolor(C_DIR); 405 return(1); 406 case S_IFLNK: 407 printcolor(C_LNK); 408 return(1); 409 case S_IFSOCK: 410 printcolor(C_SOCK); 411 return(1); 412 case S_IFIFO: 413 printcolor(C_FIFO); 414 return(1); 415 case S_IFBLK: 416 printcolor(C_BLK); 417 return(1); 418 case S_IFCHR: 419 printcolor(C_CHR); 420 return(1); 421 } 422 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 423 if (mode & S_ISUID) 424 printcolor(C_SUID); 425 else if (mode & S_ISGID) 426 printcolor(C_SGID); 427 else 428 printcolor(C_EXEC); 429 return(1); 430 } 431 return(0); 432 } 433 434 void 435 parsecolors(cs) 436 char *cs; 437 { 438 int i, j, len; 439 char c[2]; 440 if (cs == NULL) cs = ""; /* LSCOLORS not set */ 441 len = strlen(cs); 442 for (i = 0 ; i < C_NUMCOLORS ; i++) { 443 if (len <= 2*i) { 444 c[0] = defcolors[2*i]; 445 c[1] = defcolors[2*i+1]; 446 } 447 else { 448 c[0] = cs[2*i]; 449 c[1] = cs[2*i+1]; 450 } 451 for (j = 0 ; j < 2 ; j++) { 452 if ((c[j] < '0' || c[j] > '7') && 453 tolower((unsigned char)c[j]) != 'x') { 454 fprintf(stderr, 455 "error: invalid character '%c' in LSCOLORS env var\n", 456 c[j]); 457 c[j] = defcolors[2*i+j]; 458 } 459 if (c[j] == 'x') 460 colors[i][j] = -1; 461 else 462 colors[i][j] = c[j]-'0'; 463 } 464 } 465 } 466 467 void colorquit(sig) 468 int sig; 469 { 470 endcolor(); 471 fflush(stdout); 472 473 (void) signal(sig, SIG_DFL); 474 (void) kill(getpid(), sig); 475 } 476 #endif /*COLORLS*/ 477 478 static void 479 printlink(p) 480 FTSENT *p; 481 { 482 int lnklen; 483 char name[MAXPATHLEN + 1], path[MAXPATHLEN + 1]; 484 485 if (p->fts_level == FTS_ROOTLEVEL) 486 (void)snprintf(name, sizeof(name), "%s", p->fts_name); 487 else 488 (void)snprintf(name, sizeof(name), 489 "%s/%s", p->fts_parent->fts_accpath, p->fts_name); 490 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { 491 (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); 492 return; 493 } 494 path[lnklen] = '\0'; 495 if (f_octal || f_octal_escape) { 496 (void)printf(" -> "); 497 (void)prn_octal(path); 498 } 499 else (void)printf(" -> %s", path); 500 } 501