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 #ifdef COLORLS 50 #include <ctype.h> 51 #include <curses.h> 52 #endif 53 #include <err.h> 54 #include <errno.h> 55 #include <fts.h> 56 #include <grp.h> 57 #include <pwd.h> 58 #include <stdio.h> 59 #include <stdlib.h> 60 #include <string.h> 61 #ifdef COLORLS 62 #include <term.h> 63 #endif 64 #include <time.h> 65 #include <unistd.h> 66 67 #include "ls.h" 68 #include "extern.h" 69 70 static int printaname __P((FTSENT *, u_long, u_long)); 71 static void printlink __P((FTSENT *)); 72 static void printtime __P((time_t)); 73 static int printtype __P((u_int)); 74 75 #define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT) 76 77 #ifdef COLORLS 78 /* Most of these are taken from <sys/stat.h> */ 79 typedef enum Colors { 80 C_DIR, /* directory */ 81 C_LNK, /* symbolic link */ 82 C_SOCK, /* socket */ 83 C_FIFO, /* pipe */ 84 C_EXEC, /* executable */ 85 C_BLK, /* block special */ 86 C_CHR, /* character special */ 87 C_SUID, /* setuid executable */ 88 C_SGID, /* setgid executable */ 89 C_WSDIR, /* directory writeble to others, with sticky bit */ 90 C_WDIR, /* directory writeble to others, without sticky bit */ 91 C_NUMCOLORS /* just a place-holder */ 92 } Colors ; 93 94 char *defcolors = "4x5x2x3x1x464301060203"; 95 96 static int colors[C_NUMCOLORS][2]; 97 #endif 98 99 void 100 printscol(dp) 101 DISPLAY *dp; 102 { 103 FTSENT *p; 104 105 for (p = dp->list; p; p = p->fts_link) { 106 if (IS_NOPRINT(p)) 107 continue; 108 (void)printaname(p, dp->s_inode, dp->s_block); 109 (void)putchar('\n'); 110 } 111 } 112 113 void 114 printlong(dp) 115 DISPLAY *dp; 116 { 117 struct stat *sp; 118 FTSENT *p; 119 NAMES *np; 120 char buf[20]; 121 122 if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) 123 (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 124 125 for (p = dp->list; p; p = p->fts_link) { 126 if (IS_NOPRINT(p)) 127 continue; 128 sp = p->fts_statp; 129 if (f_inode) 130 (void)printf("%*lu ", dp->s_inode, (u_long)sp->st_ino); 131 if (f_size) 132 (void)printf("%*qd ", 133 dp->s_block, howmany(sp->st_blocks, blocksize)); 134 (void)strmode(sp->st_mode, buf); 135 np = p->fts_pointer; 136 (void)printf("%s %*u %-*s %-*s ", buf, dp->s_nlink, 137 sp->st_nlink, dp->s_user, np->user, dp->s_group, 138 np->group); 139 if (f_flags) 140 (void)printf("%-*s ", dp->s_flags, np->flags); 141 if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode)) 142 if (minor(sp->st_rdev) > 255 || minor(sp->st_rdev) < 0) 143 (void)printf("%3d, 0x%08x ", 144 major(sp->st_rdev), 145 (u_int)minor(sp->st_rdev)); 146 else 147 (void)printf("%3d, %3d ", 148 major(sp->st_rdev), minor(sp->st_rdev)); 149 else if (dp->bcfile) 150 (void)printf("%*s%*qd ", 151 8 - dp->s_size, "", dp->s_size, sp->st_size); 152 else 153 (void)printf("%*qd ", dp->s_size, sp->st_size); 154 if (f_accesstime) 155 printtime(sp->st_atime); 156 else if (f_statustime) 157 printtime(sp->st_ctime); 158 else 159 printtime(sp->st_mtime); 160 #ifdef COLORLS 161 if (f_color) 162 (void)colortype(sp->st_mode); 163 #endif 164 if (f_octal || f_octal_escape) (void)prn_octal(p->fts_name); 165 else (void)printf("%s", p->fts_name); 166 #ifdef COLORLS 167 if (f_color) 168 endcolor(); 169 #endif 170 if (f_type) 171 (void)printtype(sp->st_mode); 172 if (S_ISLNK(sp->st_mode)) 173 printlink(p); 174 (void)putchar('\n'); 175 } 176 } 177 178 void 179 printcol(dp) 180 DISPLAY *dp; 181 { 182 extern int termwidth; 183 static FTSENT **array; 184 static int lastentries = -1; 185 FTSENT *p; 186 int base, chcnt, cnt, col, colwidth, num; 187 int endcol, numcols, numrows, row; 188 int tabwidth; 189 190 if (f_notabs) 191 tabwidth = 1; 192 else 193 tabwidth = 8; 194 195 /* 196 * Have to do random access in the linked list -- build a table 197 * of pointers. 198 */ 199 if (dp->entries > lastentries) { 200 lastentries = dp->entries; 201 if ((array = 202 realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) { 203 warn(NULL); 204 printscol(dp); 205 } 206 } 207 for (p = dp->list, num = 0; p; p = p->fts_link) 208 if (p->fts_number != NO_PRINT) 209 array[num++] = p; 210 211 colwidth = dp->maxlen; 212 if (f_inode) 213 colwidth += dp->s_inode + 1; 214 if (f_size) 215 colwidth += dp->s_block + 1; 216 if (f_type) 217 colwidth += 1; 218 219 colwidth = (colwidth + tabwidth) & ~(tabwidth - 1); 220 if (termwidth < 2 * colwidth) { 221 printscol(dp); 222 return; 223 } 224 225 numcols = termwidth / colwidth; 226 numrows = num / numcols; 227 if (num % numcols) 228 ++numrows; 229 230 if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size)) 231 (void)printf("total %lu\n", howmany(dp->btotal, blocksize)); 232 for (row = 0; row < numrows; ++row) { 233 endcol = colwidth; 234 for (base = row, chcnt = col = 0; col < numcols; ++col) { 235 chcnt += printaname(array[base], dp->s_inode, 236 dp->s_block); 237 if ((base += numrows) >= num) 238 break; 239 #ifdef COLORLS 240 /* 241 * some terminals get confused if we mix tabs 242 * with color sequences 243 */ 244 if (f_color) 245 while ((cnt = (chcnt + 1)) <= endcol) { 246 (void)putchar(' '); 247 chcnt = cnt; 248 } 249 else 250 #endif 251 while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1))) 252 <= endcol){ 253 (void)putchar(f_notabs ? ' ' : '\t'); 254 chcnt = cnt; 255 } 256 endcol += colwidth; 257 } 258 (void)putchar('\n'); 259 } 260 } 261 262 /* 263 * print [inode] [size] name 264 * return # of characters printed, no trailing characters. 265 */ 266 static int 267 printaname(p, inodefield, sizefield) 268 FTSENT *p; 269 u_long sizefield, inodefield; 270 { 271 struct stat *sp; 272 int chcnt; 273 274 sp = p->fts_statp; 275 chcnt = 0; 276 if (f_inode) 277 chcnt += printf("%*lu ", (int)inodefield, (u_long)sp->st_ino); 278 if (f_size) 279 chcnt += printf("%*qd ", 280 (int)sizefield, howmany(sp->st_blocks, blocksize)); 281 #ifdef COLORLS 282 if (f_color) 283 (void)colortype(sp->st_mode); 284 #endif 285 chcnt += (f_octal || f_octal_escape) ? prn_octal(p->fts_name) 286 : printf("%s", p->fts_name); 287 #ifdef COLORLS 288 if (f_color) 289 endcolor(); 290 #endif 291 if (f_type) 292 chcnt += printtype(sp->st_mode); 293 return (chcnt); 294 } 295 296 static void 297 printtime(ftime) 298 time_t ftime; 299 { 300 int i; 301 char longstring[80]; 302 static time_t now; 303 304 if (now == 0) 305 now = time(NULL); 306 307 strftime(longstring, sizeof(longstring), "%c", localtime(&ftime)); 308 for (i = 4; i < 11; ++i) 309 (void)putchar(longstring[i]); 310 311 #define SIXMONTHS ((365 / 2) * 86400) 312 if (f_sectime) 313 for (i = 11; i < 24; i++) 314 (void)putchar(longstring[i]); 315 else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS) 316 for (i = 11; i < 16; ++i) 317 (void)putchar(longstring[i]); 318 else { 319 (void)putchar(' '); 320 for (i = 20; i < 24; ++i) 321 (void)putchar(longstring[i]); 322 } 323 (void)putchar(' '); 324 } 325 326 static int 327 printtype(mode) 328 u_int mode; 329 { 330 switch (mode & S_IFMT) { 331 case S_IFDIR: 332 (void)putchar('/'); 333 return (1); 334 case S_IFIFO: 335 (void)putchar('|'); 336 return (1); 337 case S_IFLNK: 338 (void)putchar('@'); 339 return (1); 340 case S_IFSOCK: 341 (void)putchar('='); 342 return (1); 343 case S_IFWHT: 344 (void)putchar('%'); 345 return (1); 346 } 347 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 348 (void)putchar('*'); 349 return (1); 350 } 351 return (0); 352 } 353 354 #ifdef COLORLS 355 static char tcapbuf[512]; 356 void 357 printcolor(c) 358 Colors c; 359 { 360 char *bp = tcapbuf; 361 char *ansiseq; 362 363 if (colors[c][0] != -1) { 364 ansiseq = tparm(tgetstr("AF", &bp), colors[c][0]); 365 if (ansiseq) 366 putp(ansiseq); 367 } 368 369 if (colors[c][1] != -1) { 370 ansiseq = tparm(tgetstr("AB", &bp), colors[c][1]); 371 if (ansiseq) 372 putp(ansiseq); 373 } 374 } 375 376 void 377 endcolor() 378 { 379 char *bp = tcapbuf; 380 char *ansiseq; 381 ansiseq = tgetstr("se", &bp); 382 if (ansiseq) 383 putp(ansiseq); 384 } 385 386 int 387 colortype(mode) 388 mode_t mode; 389 { 390 switch(mode & S_IFMT) { 391 case S_IFDIR: 392 if (mode & S_IWOTH) 393 if (mode & S_ISTXT) 394 printcolor(C_WSDIR); 395 else 396 printcolor(C_WDIR); 397 else 398 printcolor(C_DIR); 399 return(1); 400 case S_IFLNK: 401 printcolor(C_LNK); 402 return(1); 403 case S_IFSOCK: 404 printcolor(C_SOCK); 405 return(1); 406 case S_IFIFO: 407 printcolor(C_FIFO); 408 return(1); 409 case S_IFBLK: 410 printcolor(C_BLK); 411 return(1); 412 case S_IFCHR: 413 printcolor(C_CHR); 414 return(1); 415 } 416 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { 417 if (mode & S_ISUID) 418 printcolor(C_SUID); 419 else if (mode & S_ISGID) 420 printcolor(C_SGID); 421 else 422 printcolor(C_EXEC); 423 return(1); 424 } 425 return(0); 426 } 427 428 void 429 parsecolors(cs) 430 char *cs; 431 { 432 int i, j, len; 433 char c[2]; 434 if (cs == NULL) cs = ""; /* LSCOLORS not set */ 435 len = strlen(cs); 436 for (i = 0 ; i < C_NUMCOLORS ; i++) { 437 if (len <= 2*i) { 438 c[0] = defcolors[2*i]; 439 c[1] = defcolors[2*i+1]; 440 } 441 else { 442 c[0] = cs[2*i]; 443 c[1] = cs[2*i+1]; 444 } 445 for (j = 0 ; j < 2 ; j++) { 446 if ((c[j] < '0' || c[j] > '7') && 447 tolower(c[j]) != 'x') { 448 fprintf(stderr, 449 "error: invalid character '%c' in LSCOLORS env var\n", 450 c[j]); 451 c[j] = defcolors[2*i+j]; 452 } 453 if (c[j] == 'x') 454 colors[i][j] = -1; 455 else 456 colors[i][j] = c[j]-'0'; 457 } 458 } 459 } 460 #endif /*COLORLS*/ 461 462 static void 463 printlink(p) 464 FTSENT *p; 465 { 466 int lnklen; 467 char name[MAXPATHLEN + 1], path[MAXPATHLEN + 1]; 468 469 if (p->fts_level == FTS_ROOTLEVEL) 470 (void)snprintf(name, sizeof(name), "%s", p->fts_name); 471 else 472 (void)snprintf(name, sizeof(name), 473 "%s/%s", p->fts_parent->fts_accpath, p->fts_name); 474 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) { 475 (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); 476 return; 477 } 478 path[lnklen] = '\0'; 479 if (f_octal || f_octal_escape) { 480 (void)printf(" -> "); 481 (void)prn_octal(path); 482 } 483 else (void)printf(" -> %s", path); 484 } 485