enum {
TERMINAL_WIDTH = 80, /* use 79 if terminal has linefold bug */
- COLUMN_WIDTH = 14, /* default if AUTOWIDTH not defined */
COLUMN_GAP = 2, /* includes the file type char */
};
-
/************************************************************************/
#include <sys/types.h>
#include <signal.h>
#include <termios.h>
#include <sys/ioctl.h>
+#include <sys/sysmacros.h> /* major() and minor() */
#include "busybox.h"
+#ifdef CONFIG_SELINUX
+#include <fs_secure.h>
+#include <flask_util.h>
+#include <ss.h>
+#endif
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
#include <time.h>
#endif
-#ifndef MAJOR
-#define MAJOR(dev) (((dev)>>8)&0xff)
-#define MINOR(dev) ((dev)&0xff)
-#endif
-
/* what is the overall style of the listing */
-enum {
- STYLE_AUTO = 0,
- STYLE_LONG = 1, /* one record per line, extended info */
- STYLE_SINGLE = 2, /* one record per line */
- STYLE_COLUMNS = 3 /* fill columns */
-};
+#define STYLE_AUTO (0)
+#define STYLE_COLUMNS (1U<<21) /* fill columns */
+#define STYLE_LONG (2U<<21) /* one record per line, extended info */
+#define STYLE_SINGLE (3U<<21) /* one record per line */
+
+#define STYLE_MASK STYLE_SINGLE
+#define STYLE_ONE_RECORD_FLAG STYLE_LONG
/* 51306 lrwxrwxrwx 1 root root 2 May 11 01:43 /bin/view -> vi* */
/* what file information will be listed */
-#define LIST_INO (1<<0)
-#define LIST_BLOCKS (1<<1)
-#define LIST_MODEBITS (1<<2)
-#define LIST_NLINKS (1<<3)
-#define LIST_ID_NAME (1<<4)
-#define LIST_ID_NUMERIC (1<<5)
-#define LIST_SIZE (1<<6)
-#define LIST_DEV (1<<7)
-#define LIST_DATE_TIME (1<<8)
-#define LIST_FULLTIME (1<<9)
-#define LIST_FILENAME (1<<10)
-#define LIST_SYMLINK (1<<11)
-#define LIST_FILETYPE (1<<12)
-#define LIST_EXEC (1<<13)
+#define LIST_INO (1U<<0)
+#define LIST_BLOCKS (1U<<1)
+#define LIST_MODEBITS (1U<<2)
+#define LIST_NLINKS (1U<<3)
+#define LIST_ID_NAME (1U<<4)
+#define LIST_ID_NUMERIC (1U<<5)
+#define LIST_CONTEXT (1U<<6)
+#define LIST_SIZE (1U<<7)
+#define LIST_DEV (1U<<8)
+#define LIST_DATE_TIME (1U<<9)
+#define LIST_FULLTIME (1U<<10)
+#define LIST_FILENAME (1U<<11)
+#define LIST_SYMLINK (1U<<12)
+#define LIST_FILETYPE (1U<<13)
+#define LIST_EXEC (1U<<14)
+
+#define LIST_MASK ((LIST_EXEC << 1) - 1)
/* what files will be displayed */
-#define DISP_NORMAL (0) /* show normal filenames */
-#define DISP_DIRNAME (1<<0) /* 2 or more items? label directories */
-#define DISP_HIDDEN (1<<1) /* show filenames starting with . */
-#define DISP_DOT (1<<2) /* show . and .. */
-#define DISP_NOLIST (1<<3) /* show directory as itself, not contents */
-#define DISP_RECURSIVE (1<<4) /* show directory and everything below it */
-#define DISP_ROWS (1<<5) /* print across rows */
+/* TODO -- We may be able to make DISP_NORMAL 0 to save a bit slot. */
+#define DISP_NORMAL (1U<<14) /* show normal filenames */
+#define DISP_DIRNAME (1U<<15) /* 2 or more items? label directories */
+#define DISP_HIDDEN (1U<<16) /* show filenames starting with . */
+#define DISP_DOT (1U<<17) /* show . and .. */
+#define DISP_NOLIST (1U<<18) /* show directory as itself, not contents */
+#define DISP_RECURSIVE (1U<<19) /* show directory and everything below it */
+#define DISP_ROWS (1U<<20) /* print across rows */
+
+#define DISP_MASK (((DISP_ROWS << 1) - 1) & ~(DISP_NORMAL - 1))
#ifdef CONFIG_FEATURE_LS_SORTFILES
/* how will the files be sorted */
-static const int SORT_FORWARD = 0; /* sort in reverse order */
-static const int SORT_REVERSE = 1; /* sort in reverse order */
-static const int SORT_NAME = 2; /* sort by file name */
-static const int SORT_SIZE = 3; /* sort by file size */
-static const int SORT_ATIME = 4; /* sort by last access time */
-static const int SORT_CTIME = 5; /* sort by last change time */
-static const int SORT_MTIME = 6; /* sort by last modification time */
-static const int SORT_VERSION = 7; /* sort by version */
-static const int SORT_EXT = 8; /* sort by file name extension */
-static const int SORT_DIR = 9; /* sort by file or directory */
+#define SORT_ORDER_FORWARD 0 /* sort in reverse order */
+#define SORT_ORDER_REVERSE (1U<<27) /* sort in reverse order */
+
+#define SORT_NAME 0 /* sort by file name */
+#define SORT_SIZE (1U<<28) /* sort by file size */
+#define SORT_ATIME (2U<<28) /* sort by last access time */
+#define SORT_CTIME (3U<<28) /* sort by last change time */
+#define SORT_MTIME (4U<<28) /* sort by last modification time */
+#define SORT_VERSION (5U<<28) /* sort by version */
+#define SORT_EXT (6U<<28) /* sort by file name extension */
+#define SORT_DIR (7U<<28) /* sort by file or directory */
+
+#define SORT_MASK (7U<<28)
#endif
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
/* which of the three times will be used */
-static const int TIME_MOD = 0;
-static const int TIME_CHANGE = 1;
-static const int TIME_ACCESS = 2;
+#define TIME_MOD 0
+#define TIME_CHANGE (1U<<23)
+#define TIME_ACCESS (1U<<24)
+
+#define TIME_MASK (3U<<23)
+#endif
+
+#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
+#define FOLLOW_LINKS (1U<<25)
+#endif
+#ifdef CONFIG_FEATURE_HUMAN_READABLE
+#define LS_DISP_HR (1U<<26)
#endif
#define LIST_SHORT (LIST_FILENAME)
LIST_DATE_TIME | LIST_FILENAME | LIST_SYMLINK)
#define LIST_ILONG (LIST_INO | LIST_LONG)
-static const int SPLIT_DIR = 0;
-static const int SPLIT_FILE = 1;
-static const int SPLIT_SUBDIR = 2;
+#define SPLIT_DIR 1
+#define SPLIT_FILE 0
+#define SPLIT_SUBDIR 2
#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
char *name; /* the dir entry name */
char *fullname; /* the dir entry name */
struct stat dstat; /* the file stat info */
+#ifdef CONFIG_SELINUX
+ security_id_t sid;
+#endif
struct dnode *next; /* point at the next node */
};
typedef struct dnode dnode_t;
-static struct dnode **list_dir(char *);
+static struct dnode **list_dir(const char *);
static struct dnode **dnalloc(int);
static int list_single(struct dnode *);
-static unsigned int disp_opts;
-static unsigned int style_fmt;
-static unsigned int list_fmt;
+static unsigned int all_fmt;
-#ifdef CONFIG_FEATURE_LS_SORTFILES
-static unsigned int sort_opts;
-static unsigned int sort_order;
-#endif
-#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
-static unsigned int time_fmt;
-#endif
-#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
-static unsigned int follow_links = FALSE;
+#ifdef CONFIG_SELINUX
+static int is_flask_enabled_flag;
#endif
-static unsigned short column = 0;
-
#ifdef CONFIG_FEATURE_AUTOWIDTH
-static unsigned short terminal_width = TERMINAL_WIDTH;
-static unsigned short column_width = COLUMN_WIDTH;
+static int terminal_width = TERMINAL_WIDTH;
static unsigned short tabstops = COLUMN_GAP;
#else
-static unsigned short column_width = COLUMN_WIDTH;
+#define tabstops COLUMN_GAP
+#define terminal_width TERMINAL_WIDTH
#endif
static int status = EXIT_SUCCESS;
-#ifdef CONFIG_FEATURE_HUMAN_READABLE
-static unsigned long ls_disp_hr = 0;
+static struct dnode *my_stat(char *fullname, char *name)
+{
+ struct stat dstat;
+ struct dnode *cur;
+#ifdef CONFIG_SELINUX
+ security_id_t sid;
#endif
+ int rc;
-static int my_stat(struct dnode *cur)
-{
#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
- if (follow_links) {
- if (stat(cur->fullname, &cur->dstat)) {
- perror_msg("%s", cur->fullname);
+ if (all_fmt & FOLLOW_LINKS) {
+#ifdef CONFIG_SELINUX
+ if(is_flask_enabled_flag)
+ rc = stat_secure(fullname, &dstat, &sid);
+ else
+#endif
+ rc = stat(fullname, &dstat);
+ if(rc)
+ {
+ bb_perror_msg("%s", fullname);
status = EXIT_FAILURE;
- free(cur->fullname);
- free(cur);
- return -1;
+ return 0;
}
} else
#endif
- if (lstat(cur->fullname, &cur->dstat)) {
- perror_msg("%s", cur->fullname);
- status = EXIT_FAILURE;
- free(cur->fullname);
- free(cur);
- return -1;
+ {
+#ifdef CONFIG_SELINUX
+ if(is_flask_enabled_flag)
+ rc = lstat_secure(fullname, &dstat, &sid);
+ else
+#endif
+ rc = lstat(fullname, &dstat);
+ if(rc)
+ {
+ bb_perror_msg("%s", fullname);
+ status = EXIT_FAILURE;
+ return 0;
+ }
}
- return 0;
-}
-static void newline(void)
-{
- if (column > 0) {
- putchar('\n');
- column = 0;
- }
+ cur = (struct dnode *) xmalloc(sizeof(struct dnode));
+ cur->fullname = fullname;
+ cur->name = name;
+ cur->dstat = dstat;
+#ifdef CONFIG_SELINUX
+ cur->sid = sid;
+#endif
+ return cur;
}
/*----------------------------------------------------------------------*/
{
/* Check wheter the file is existing (if so, color it red!) */
if (errno == ENOENT) {
- errno = 0;
return '\037';
}
if (LIST_EXEC && S_ISREG(mode)
#if defined(CONFIG_FEATURE_LS_FILETYPES) || defined(CONFIG_FEATURE_LS_COLOR)
static char append_char(mode_t mode)
{
- if (!(list_fmt & LIST_FILETYPE))
+ if (!(all_fmt & LIST_FILETYPE))
return '\0';
- if ((list_fmt & LIST_EXEC) && S_ISREG(mode)
+ if ((all_fmt & LIST_EXEC) && S_ISREG(mode)
&& (mode & (S_IXUSR | S_IXGRP | S_IXOTH)))
return '*';
return APPCHAR(mode);
#endif
/*----------------------------------------------------------------------*/
-static void nexttabstop(void)
-{
- static short nexttab = 0;
- int n = 0;
-
- if (column > 0) {
- n = nexttab - column;
- if (n < 1)
- n = 1;
- while (n--) {
- putchar(' ');
- column++;
- }
- }
- nexttab = column + column_width + COLUMN_GAP;
-}
-/*----------------------------------------------------------------------*/
-static int is_subdir(struct dnode *dn)
-{
- return (S_ISDIR(dn->dstat.st_mode) && strcmp(dn->name, ".") != 0 &&
- strcmp(dn->name, "..") != 0);
-}
+#define countdirs(A,B) count_dirs((A), (B), 1)
+#define countsubdirs(A,B) count_dirs((A), (B), 0)
-static int countdirs(struct dnode **dn, int nfiles)
+static int count_dirs(struct dnode **dn, int nfiles, int notsubdirs)
{
int i, dirs;
return (0);
dirs = 0;
for (i = 0; i < nfiles; i++) {
- if (S_ISDIR(dn[i]->dstat.st_mode))
+ if (S_ISDIR(dn[i]->dstat.st_mode)
+ && (notsubdirs
+ || ((dn[i]->name[0] != '.')
+ || (dn[i]->name[1]
+ && ((dn[i]->name[1] != '.')
+ || dn[i]->name[2])))))
dirs++;
}
return (dirs);
}
-static int countsubdirs(struct dnode **dn, int nfiles)
-{
- int i, subdirs;
-
- if (dn == NULL || nfiles < 1)
- return 0;
- subdirs = 0;
- for (i = 0; i < nfiles; i++)
- if (is_subdir(dn[i]))
- subdirs++;
- return subdirs;
-}
-
static int countfiles(struct dnode **dnp)
{
int nfiles;
cur = dnp[0];
while (cur != NULL) {
- if (cur->fullname != NULL)
- free(cur->fullname); /* free the filename */
+ free(cur->fullname); /* free the filename */
next = cur->next;
free(cur); /* free the dnode */
cur = next;
/* copy the entrys into the file or dir array */
for (d = i = 0; i < nfiles; i++) {
- if (which == SPLIT_DIR) {
- if (S_ISDIR(dn[i]->dstat.st_mode)) {
- dnp[d++] = dn[i];
- } /* else skip the file */
- } else if (which == SPLIT_SUBDIR) {
- if (is_subdir(dn[i])) {
- dnp[d++] = dn[i];
- } /* else skip the file or dir */
- } else {
- if (!(S_ISDIR(dn[i]->dstat.st_mode))) {
- dnp[d++] = dn[i];
- } /* else skip the dir */
+ if (S_ISDIR(dn[i]->dstat.st_mode)) {
+ if (which & (SPLIT_DIR|SPLIT_SUBDIR)) {
+ if ((which & SPLIT_DIR)
+ || ((dn[i]->name[0] != '.')
+ || (dn[i]->name[1]
+ && ((dn[i]->name[1] != '.')
+ || dn[i]->name[2])))) {
+ dnp[d++] = dn[i];
+ }
+ }
+ } else if (!(which & (SPLIT_DIR|SPLIT_SUBDIR))) {
+ dnp[d++] = dn[i];
}
}
return (dnp);
#ifdef CONFIG_FEATURE_LS_SORTFILES
static int sortcmp(struct dnode *d1, struct dnode *d2)
{
- int cmp, dif;
+ unsigned int sort_opts = all_fmt & SORT_MASK;
+ int dif;
- cmp = 0;
+ dif = 0; /* assume SORT_NAME */
if (sort_opts == SORT_SIZE) {
- dif = (int) (d1->dstat.st_size - d2->dstat.st_size);
+ dif = (int) (d2->dstat.st_size - d1->dstat.st_size);
} else if (sort_opts == SORT_ATIME) {
- dif = (int) (d1->dstat.st_atime - d2->dstat.st_atime);
+ dif = (int) (d2->dstat.st_atime - d1->dstat.st_atime);
} else if (sort_opts == SORT_CTIME) {
- dif = (int) (d1->dstat.st_ctime - d2->dstat.st_ctime);
+ dif = (int) (d2->dstat.st_ctime - d1->dstat.st_ctime);
} else if (sort_opts == SORT_MTIME) {
- dif = (int) (d1->dstat.st_mtime - d2->dstat.st_mtime);
+ dif = (int) (d2->dstat.st_mtime - d1->dstat.st_mtime);
} else if (sort_opts == SORT_DIR) {
- dif = S_ISDIR(d1->dstat.st_mode) - S_ISDIR(d2->dstat.st_mode);
+ dif = S_ISDIR(d2->dstat.st_mode) - S_ISDIR(d1->dstat.st_mode);
/* } else if (sort_opts == SORT_VERSION) { */
/* } else if (sort_opts == SORT_EXT) { */
- } else { /* assume SORT_NAME */
- dif = 0;
}
- if (dif > 0)
- cmp = -1;
- if (dif < 0)
- cmp = 1;
if (dif == 0) {
/* sort by name- may be a tie_breaker for time or size cmp */
+#ifdef CONFIG_LOCALE_SUPPORT
+ dif = strcoll(d1->name, d2->name);
+#else
dif = strcmp(d1->name, d2->name);
- if (dif > 0)
- cmp = 1;
- if (dif < 0)
- cmp = -1;
+#endif
}
- if (sort_order == SORT_REVERSE) {
- cmp = -1 * cmp;
+ if (all_fmt & SORT_ORDER_REVERSE) {
+ dif = -dif;
}
- return (cmp);
+ return (dif);
}
/*----------------------------------------------------------------------*/
static void showfiles(struct dnode **dn, int nfiles)
{
int i, ncols, nrows, row, nc;
-
-#ifdef CONFIG_FEATURE_AUTOWIDTH
- int len;
-#endif
+ int column = 0;
+ int nexttab = 0;
+ int column_width = 0; /* for STYLE_LONG and STYLE_SINGLE not used */
if (dn == NULL || nfiles < 1)
return;
-#ifdef CONFIG_FEATURE_AUTOWIDTH
- /* find the longest file name- use that as the column width */
- column_width = 0;
- for (i = 0; i < nfiles; i++) {
- len = strlen(dn[i]->name) +
- ((list_fmt & LIST_INO) ? 8 : 0) +
- ((list_fmt & LIST_BLOCKS) ? 5 : 0);
- if (column_width < len)
- column_width = len;
- }
- ncols = (int) (terminal_width / (column_width + COLUMN_GAP));
-#else
- ncols = TERMINAL_WIDTH;
-#endif
- switch (style_fmt) {
- case STYLE_LONG: /* one record per line, extended info */
- case STYLE_SINGLE: /* one record per line */
+ if (all_fmt & STYLE_ONE_RECORD_FLAG) {
ncols = 1;
- break;
+ } else {
+ /* find the longest file name- use that as the column width */
+ for (i = 0; i < nfiles; i++) {
+ int len = strlen(dn[i]->name) +
+#ifdef CONFIG_SELINUX
+ ((all_fmt & LIST_CONTEXT) ? 33 : 0) +
+#endif
+ ((all_fmt & LIST_INO) ? 8 : 0) +
+ ((all_fmt & LIST_BLOCKS) ? 5 : 0);
+ if (column_width < len)
+ column_width = len;
+ }
+ column_width += tabstops;
+ ncols = (int) (terminal_width / column_width);
}
if (ncols > 1) {
nrows = nfiles / ncols;
+ if ((nrows * ncols) < nfiles)
+ nrows++; /* round up fractionals */
} else {
nrows = nfiles;
ncols = 1;
}
- if ((nrows * ncols) < nfiles)
- nrows++; /* round up fractionals */
- if (nrows > nfiles)
- nrows = nfiles;
for (row = 0; row < nrows; row++) {
for (nc = 0; nc < ncols; nc++) {
/* reach into the array based on the column and row */
i = (nc * nrows) + row; /* assume display by column */
- if (disp_opts & DISP_ROWS)
+ if (all_fmt & DISP_ROWS)
i = (row * ncols) + nc; /* display across row */
if (i < nfiles) {
- nexttabstop();
- list_single(dn[i]);
+ if (column > 0) {
+ nexttab -= column;
+ while (nexttab--) {
+ putchar(' ');
+ column++;
+ }
}
+ nexttab = column + column_width;
+ column += list_single(dn[i]);
+ }
}
- newline();
+ putchar('\n');
+ column = 0;
}
}
/*----------------------------------------------------------------------*/
-static void showdirs(struct dnode **dn, int ndirs)
+static void showdirs(struct dnode **dn, int ndirs, int first)
{
int i, nfiles;
struct dnode **subdnp;
return;
for (i = 0; i < ndirs; i++) {
- if (disp_opts & (DISP_DIRNAME | DISP_RECURSIVE)) {
- printf("\n%s:\n", dn[i]->fullname);
+ if (all_fmt & (DISP_DIRNAME | DISP_RECURSIVE)) {
+ if (!first)
+ printf("\n");
+ first = 0;
+ printf("%s:\n", dn[i]->fullname);
}
subdnp = list_dir(dn[i]->fullname);
nfiles = countfiles(subdnp);
#endif
showfiles(subdnp, nfiles);
#ifdef CONFIG_FEATURE_LS_RECURSIVE
- if (disp_opts & DISP_RECURSIVE) {
+ if (all_fmt & DISP_RECURSIVE) {
/* recursive- list the sub-dirs */
dnd = splitdnarray(subdnp, nfiles, SPLIT_SUBDIR);
dndirs = countsubdirs(subdnp, nfiles);
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(dnd, dndirs);
#endif
- showdirs(dnd, dndirs);
+ showdirs(dnd, dndirs, 0);
free(dnd); /* free the array of dnode pointers to the dirs */
}
}
}
/*----------------------------------------------------------------------*/
-static struct dnode **list_dir(char *path)
+static struct dnode **list_dir(const char *path)
{
struct dnode *dn, *cur, **dnp;
struct dirent *entry;
nfiles = 0;
dir = opendir(path);
if (dir == NULL) {
- perror_msg("%s", path);
+ bb_perror_msg("%s", path);
status = EXIT_FAILURE;
return (NULL); /* could not open the dir */
}
while ((entry = readdir(dir)) != NULL) {
+ char *fullname;
+
/* are we going to list the file- it may be . or .. or a hidden file */
- if ((strcmp(entry->d_name, ".") == 0) && !(disp_opts & DISP_DOT))
- continue;
- if ((strcmp(entry->d_name, "..") == 0) && !(disp_opts & DISP_DOT))
+ if (entry->d_name[0] == '.') {
+ if ((entry->d_name[1] == 0 || (
+ entry->d_name[1] == '.'
+ && entry->d_name[2] == 0))
+ && !(all_fmt & DISP_DOT))
continue;
- if ((entry->d_name[0] == '.') && !(disp_opts & DISP_HIDDEN))
+ if (!(all_fmt & DISP_HIDDEN))
continue;
- cur = (struct dnode *) xmalloc(sizeof(struct dnode));
- cur->fullname = concat_path_file(path, entry->d_name);
- cur->name = cur->fullname +
- (strlen(cur->fullname) - strlen(entry->d_name));
- if (my_stat(cur))
+ }
+ fullname = concat_path_file(path, entry->d_name);
+ cur = my_stat(fullname, strrchr(fullname, '/') + 1);
+ if (!cur)
continue;
cur->next = dn;
dn = cur;
/* now that we know how many files there are
** allocate memory for an array to hold dnode pointers
*/
- if (nfiles < 1)
+ if (dn == NULL)
return (NULL);
dnp = dnalloc(nfiles);
for (i = 0, cur = dn; i < nfiles; i++) {
/*----------------------------------------------------------------------*/
static int list_single(struct dnode *dn)
{
- int i;
+ int i, column = 0;
#ifdef CONFIG_FEATURE_LS_USERNAME
- char scratch[BUFSIZ + 1];
+ char scratch[16];
#endif
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
char *filetime;
char append;
#endif
- if (dn == NULL || dn->fullname == NULL)
+ if (dn->fullname == NULL)
return (0);
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
ttime = dn->dstat.st_mtime; /* the default time */
- if (time_fmt & TIME_ACCESS)
+ if (all_fmt & TIME_ACCESS)
ttime = dn->dstat.st_atime;
- if (time_fmt & TIME_CHANGE)
+ if (all_fmt & TIME_CHANGE)
ttime = dn->dstat.st_ctime;
filetime = ctime(&ttime);
#endif
#endif
for (i = 0; i <= 31; i++) {
- switch (list_fmt & (1 << i)) {
+ switch (all_fmt & (1 << i)) {
case LIST_INO:
- printf("%7ld ", (long int) dn->dstat.st_ino);
- column += 8;
+ column += printf("%7ld ", (long int) dn->dstat.st_ino);
break;
case LIST_BLOCKS:
-#ifdef CONFIG_FEATURE_HUMAN_READABLE
- fprintf(stdout, "%6s ",
- make_human_readable_str(dn->dstat.st_blocks >> 1,
- KILOBYTE,
- (ls_disp_hr ==
- TRUE) ? 0 : KILOBYTE));
-#else
#if _FILE_OFFSET_BITS == 64
- printf("%4lld ", dn->dstat.st_blocks >> 1);
+ column += printf("%4lld ", dn->dstat.st_blocks >> 1);
#else
- printf("%4ld ", dn->dstat.st_blocks >> 1);
-#endif
+ column += printf("%4ld ", dn->dstat.st_blocks >> 1);
#endif
- column += 5;
break;
case LIST_MODEBITS:
- printf("%-10s ", (char *) mode_string(dn->dstat.st_mode));
- column += 10;
+ column += printf("%-10s ", (char *) bb_mode_string(dn->dstat.st_mode));
break;
case LIST_NLINKS:
- printf("%4ld ", (long) dn->dstat.st_nlink);
- column += 10;
+ column += printf("%4ld ", (long) dn->dstat.st_nlink);
break;
case LIST_ID_NAME:
#ifdef CONFIG_FEATURE_LS_USERNAME
- my_getpwuid(scratch, dn->dstat.st_uid);
+ my_getpwuid(scratch, dn->dstat.st_uid, sizeof(scratch));
printf("%-8.8s ", scratch);
- my_getgrgid(scratch, dn->dstat.st_gid);
+ my_getgrgid(scratch, dn->dstat.st_gid, sizeof(scratch));
printf("%-8.8s", scratch);
column += 17;
break;
#endif
case LIST_ID_NUMERIC:
- printf("%-8d %-8d", dn->dstat.st_uid, dn->dstat.st_gid);
- column += 17;
+ column += printf("%-8d %-8d", dn->dstat.st_uid, dn->dstat.st_gid);
break;
case LIST_SIZE:
case LIST_DEV:
if (S_ISBLK(dn->dstat.st_mode) || S_ISCHR(dn->dstat.st_mode)) {
- printf("%4d, %3d ", (int) MAJOR(dn->dstat.st_rdev),
- (int) MINOR(dn->dstat.st_rdev));
+ column += printf("%4d, %3d ", (int) major(dn->dstat.st_rdev),
+ (int) minor(dn->dstat.st_rdev));
} else {
#ifdef CONFIG_FEATURE_HUMAN_READABLE
- if (ls_disp_hr == TRUE) {
- fprintf(stdout, "%8s ",
+ if (all_fmt & LS_DISP_HR) {
+ column += printf("%9s ",
make_human_readable_str(dn->dstat.st_size, 1, 0));
} else
#endif
{
#if _FILE_OFFSET_BITS == 64
- printf("%9lld ", (long long) dn->dstat.st_size);
+ column += printf("%9lld ", (long long) dn->dstat.st_size);
#else
- printf("%9ld ", dn->dstat.st_size);
+ column += printf("%9ld ", dn->dstat.st_size);
#endif
}
}
- column += 10;
break;
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
case LIST_FULLTIME:
+ printf("%24.24s ", filetime);
+ column += 25;
+ break;
case LIST_DATE_TIME:
- if (list_fmt & LIST_FULLTIME) {
- printf("%24.24s ", filetime);
- column += 25;
- break;
+ if ((all_fmt & LIST_FULLTIME) == 0) {
+ age = time(NULL) - ttime;
+ printf("%6.6s ", filetime + 4);
+ if (age < 3600L * 24 * 365 / 2 && age > -15 * 60) {
+ /* hh:mm if less than 6 months old */
+ printf("%5.5s ", filetime + 11);
+ } else {
+ printf(" %4.4s ", filetime + 20);
+ }
+ column += 13;
}
- age = time(NULL) - ttime;
- printf("%6.6s ", filetime + 4);
- if (age < 3600L * 24 * 365 / 2 && age > -15 * 60) {
- /* hh:mm if less than 6 months old */
- printf("%5.5s ", filetime + 11);
- } else {
- printf(" %4.4s ", filetime + 20);
+ break;
+#endif
+#ifdef CONFIG_SELINUX
+ case LIST_CONTEXT:
+ {
+ char context[64];
+ int len = sizeof(context);
+ if(security_sid_to_context(dn->sid, context, &len))
+ {
+ strcpy(context, "unknown");
+ len = 7;
+ }
+ printf("%-32s ", context);
+ column += MAX(33, len);
}
- column += 13;
break;
#endif
case LIST_FILENAME:
fgcolor(info.st_mode));
}
#endif
- printf("%s", dn->name);
+ column += printf("%s", dn->name);
#ifdef CONFIG_FEATURE_LS_COLOR
if (show_color) {
printf("\033[0m");
}
#endif
- column += strlen(dn->name);
break;
case LIST_SYMLINK:
if (S_ISLNK(dn->dstat.st_mode)) {
fgcolor(info.st_mode));
}
#endif
- printf("%s", lpath);
+ column += printf("%s", lpath) + 4;
#ifdef CONFIG_FEATURE_LS_COLOR
if (show_color) {
printf("\033[0m");
}
#endif
- column += strlen(lpath) + 4;
free(lpath);
}
}
}
}
- return (0);
+ return column;
}
/*----------------------------------------------------------------------*/
-extern int ls_main(int argc, char **argv)
-{
- struct dnode **dnf, **dnd;
- int dnfiles, dndirs;
- struct dnode *dn, *cur, **dnp;
- int i, nfiles;
- int opt;
- int oi, ac;
- char **av;
-#ifdef CONFIG_FEATURE_AUTOWIDTH
- struct winsize win = { 0, 0, 0, 0 };
+/* "[-]Cadil1", POSIX mandated options, busybox always supports */
+/* "[-]gnsx", POSIX non-mandated options, busybox always supports */
+/* "[-]Ak" GNU options, busybox always supports */
+/* "[-]FLRctur", POSIX mandated options, busybox optionally supports */
+/* "[-]p", POSIX non-mandated options, busybox optionally supports */
+/* "[-]SXvThw", GNU options, busybox optionally supports */
+/* "[-]K", SELinux mandated options, busybox optionally supports */
+/* "[-]e", I think we made this one up */
+
+#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
+# define LS_STR_TIMESTAMPS "cetu"
+#else
+# define LS_STR_TIMESTAMPS ""
#endif
- disp_opts = DISP_NORMAL;
- style_fmt = STYLE_AUTO;
- list_fmt = LIST_SHORT;
#ifdef CONFIG_FEATURE_LS_SORTFILES
- sort_opts = SORT_NAME;
- sort_order = SORT_FORWARD;
+# define LS_STR_SORTFILES "SXrv"
+#else
+# define LS_STR_SORTFILES ""
#endif
-#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
- time_fmt = TIME_MOD;
+
+#ifdef CONFIG_FEATURE_LS_FILETYPES
+# define LS_STR_FILETYPES "Fp"
+#else
+# define LS_STR_FILETYPES ""
#endif
-#ifdef CONFIG_FEATURE_AUTOWIDTH
- ioctl(fileno(stdout), TIOCGWINSZ, &win);
- if (win.ws_row > 4)
- column_width = win.ws_row - 2;
- if (win.ws_col > 0)
- terminal_width = win.ws_col - 1;
+
+#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
+# define LS_STR_FOLLOW_LINKS "L"
+#else
+# define LS_STR_FOLLOW_LINKS ""
#endif
- nfiles = 0;
-#ifdef CONFIG_FEATURE_LS_COLOR
- if (isatty(fileno(stdout)))
- show_color = 1;
+#ifdef CONFIG_FEATURE_LS_RECURSIVE
+# define LS_STR_RECURSIVE "R"
+#else
+# define LS_STR_RECURSIVE ""
#endif
- /* process options */
- while ((opt = getopt(argc, argv, "1AaCdgilnsx"
-#ifdef CONFIG_FEATURE_AUTOWIDTH
- "T:w:"
+#ifdef CONFIG_FEATURE_HUMAN_READABLE
+# define LS_STR_HUMAN_READABLE "h"
+#else
+# define LS_STR_HUMAN_READABLE ""
#endif
-#ifdef CONFIG_FEATURE_LS_FILETYPES
- "Fp"
+
+#ifdef CONFIG_SELINUX
+# define LS_STR_SELINUX "K"
+#else
+# define LS_STR_SELINUX ""
#endif
-#ifdef CONFIG_FEATURE_LS_RECURSIVE
- "R"
+
+#ifdef CONFIG_FEATURE_AUTOWIDTH
+# define LS_STR_AUTOWIDTH "T:w:"
+#else
+# define LS_STR_AUTOWIDTH ""
+#endif
+
+static const char ls_options[]="Cadil1gnsxAk" \
+ LS_STR_TIMESTAMPS \
+ LS_STR_SORTFILES \
+ LS_STR_FILETYPES \
+ LS_STR_FOLLOW_LINKS \
+ LS_STR_RECURSIVE \
+ LS_STR_HUMAN_READABLE \
+ LS_STR_SELINUX \
+ LS_STR_AUTOWIDTH;
+
+#define LIST_MASK_TRIGGER 0
+#define STYLE_MASK_TRIGGER STYLE_MASK
+#define SORT_MASK_TRIGGER SORT_MASK
+#define DISP_MASK_TRIGGER DISP_ROWS
+#define TIME_MASK_TRIGGER TIME_MASK
+
+static const unsigned opt_flags[] = {
+ LIST_SHORT | STYLE_COLUMNS, /* C */
+ DISP_HIDDEN | DISP_DOT, /* a */
+ DISP_NOLIST, /* d */
+ LIST_INO, /* i */
+ LIST_LONG | STYLE_LONG, /* l - remember LS_DISP_HR in mask! */
+ LIST_SHORT | STYLE_SINGLE, /* 1 */
+ 0, /* g - ingored */
+ LIST_ID_NUMERIC, /* n */
+ LIST_BLOCKS, /* s */
+ DISP_ROWS, /* x */
+ DISP_HIDDEN, /* A */
+#ifdef CONFIG_SELINUX
+ LIST_CONTEXT, /* k */
+#else
+ 0, /* k - ingored */
+#endif
+#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
+# ifdef CONFIG_FEATURE_LS_SORTFILES
+ TIME_CHANGE | SORT_CTIME, /* c */
+# else
+ TIME_CHANGE, /* c */
+# endif
+ LIST_FULLTIME, /* e */
+# ifdef CONFIG_FEATURE_LS_SORTFILES
+ SORT_MTIME, /* t */
+# else
+ 0, /* t - ignored -- is this correct? */
+# endif
+# ifdef CONFIG_FEATURE_LS_SORTFILES
+ TIME_ACCESS | SORT_ATIME, /* u */
+# else
+ TIME_ACCESS, /* u */
+# endif
#endif
#ifdef CONFIG_FEATURE_LS_SORTFILES
- "rSvX"
+ SORT_SIZE, /* S */
+ SORT_EXT, /* X */
+ SORT_ORDER_REVERSE, /* r */
+ SORT_VERSION, /* v */
#endif
-#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
- "cetu"
+#ifdef CONFIG_FEATURE_LS_FILETYPES
+ LIST_FILETYPE | LIST_EXEC, /* F */
+ LIST_FILETYPE, /* p */
#endif
#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
- "L"
+ FOLLOW_LINKS, /* L */
#endif
-#ifdef CONFIG_FEATURE_HUMAN_READABLE
- "h"
+#ifdef CONFIG_FEATURE_LS_RECURSIVE
+ DISP_RECURSIVE, /* R */
#endif
- "k")) > 0) {
- switch (opt) {
- case '1':
- style_fmt = STYLE_SINGLE;
- break;
- case 'A':
- disp_opts |= DISP_HIDDEN;
- break;
- case 'a':
- disp_opts |= DISP_HIDDEN | DISP_DOT;
- break;
- case 'C':
- style_fmt = STYLE_COLUMNS;
- break;
- case 'd':
- disp_opts |= DISP_NOLIST;
- break;
- case 'g': /* ignore -- for ftp servers */
- break;
- case 'i':
- list_fmt |= LIST_INO;
- break;
- case 'l':
- style_fmt = STYLE_LONG;
- list_fmt |= LIST_LONG;
#ifdef CONFIG_FEATURE_HUMAN_READABLE
- ls_disp_hr = FALSE;
+ LS_DISP_HR, /* h */
#endif
- break;
- case 'n':
- list_fmt |= LIST_ID_NUMERIC;
- break;
- case 's':
- list_fmt |= LIST_BLOCKS;
- break;
- case 'x':
- disp_opts = DISP_ROWS;
- break;
-#ifdef CONFIG_FEATURE_LS_FILETYPES
- case 'F':
- list_fmt |= LIST_FILETYPE | LIST_EXEC;
- break;
- case 'p':
- list_fmt |= LIST_FILETYPE;
- break;
+#ifdef CONFIG_SELINUX
+ LIST_MODEBITS|LIST_NLINKS|LIST_CONTEXT|LIST_SIZE|LIST_DATE_TIME, /* K */
#endif
-#ifdef CONFIG_FEATURE_LS_RECURSIVE
- case 'R':
- disp_opts |= DISP_RECURSIVE;
- break;
+ (1U<<31)
+};
+
+
+/*----------------------------------------------------------------------*/
+
+extern int ls_main(int argc, char **argv)
+{
+ struct dnode **dnd;
+ struct dnode **dnf;
+ struct dnode **dnp;
+ struct dnode *dn;
+ struct dnode *cur;
+ long opt;
+ int nfiles = 0;
+ int dnfiles;
+ int dndirs;
+ int oi;
+ int ac;
+ int i;
+ char **av;
+#ifdef CONFIG_FEATURE_AUTOWIDTH
+ char *tabstops_str = NULL;
+ char *terminal_width_str = NULL;
#endif
-#ifdef CONFIG_FEATURE_LS_SORTFILES
- case 'r':
- sort_order |= SORT_REVERSE;
- break;
- case 'S':
- sort_opts = SORT_SIZE;
- break;
- case 'v':
- sort_opts = SORT_VERSION;
- break;
- case 'X':
- sort_opts = SORT_EXT;
- break;
+
+#ifdef CONFIG_SELINUX
+ is_flask_enabled_flag = is_flask_enabled();
#endif
+
+ all_fmt = LIST_SHORT | DISP_NORMAL | STYLE_AUTO
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
- case 'e':
- list_fmt |= LIST_FULLTIME;
- break;
- case 'c':
- time_fmt = TIME_CHANGE;
-#ifdef CONFIG_FEATURE_LS_SORTFILES
- sort_opts = SORT_CTIME;
+ | TIME_MOD
#endif
- break;
- case 'u':
- time_fmt = TIME_ACCESS;
#ifdef CONFIG_FEATURE_LS_SORTFILES
- sort_opts = SORT_ATIME;
+ | SORT_NAME | SORT_ORDER_FORWARD
#endif
- break;
- case 't':
-#ifdef CONFIG_FEATURE_LS_SORTFILES
- sort_opts = SORT_MTIME;
-#endif
- break;
+ ;
+
+#ifdef CONFIG_FEATURE_AUTOWIDTH
+ /* Obtain the terminal width. */
+ get_terminal_width_height(STDOUT_FILENO, &terminal_width, NULL);
+ /* Go one less... */
+ terminal_width--;
#endif
-#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
- case 'L':
- follow_links = TRUE;
- break;
+
+#ifdef CONFIG_FEATURE_LS_COLOR
+ if (isatty(STDOUT_FILENO))
+ show_color = 1;
#endif
+
+ /* process options */
#ifdef CONFIG_FEATURE_AUTOWIDTH
- case 'T':
- tabstops = atoi(optarg);
- break;
- case 'w':
- terminal_width = atoi(optarg);
- break;
+ opt = bb_getopt_ulflags(argc, argv, ls_options, &tabstops_str, &terminal_width_str);
+ if (tabstops_str) {
+ tabstops = atoi(tabstops_str);
+ }
+ if (terminal_width_str) {
+ terminal_width = atoi(terminal_width_str);
+ }
+#else
+ opt = bb_getopt_ulflags(argc, argv, ls_options);
+#endif
+ for (i = 0; opt_flags[i] != (1U<<31); i++) {
+ if (opt & (1 << i)) {
+ unsigned int flags = opt_flags[i];
+ if (flags & LIST_MASK_TRIGGER) {
+ all_fmt &= ~LIST_MASK;
+ }
+ if (flags & STYLE_MASK_TRIGGER) {
+ all_fmt &= ~STYLE_MASK;
+ }
+#ifdef CONFIG_FEATURE_LS_SORTFILES
+ if (flags & SORT_MASK_TRIGGER) {
+ all_fmt &= ~SORT_MASK;
+ }
+#endif
+ if (flags & DISP_MASK_TRIGGER) {
+ all_fmt &= ~DISP_MASK;
+ }
+#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
+ if (flags & TIME_MASK_TRIGGER) {
+ all_fmt &= ~TIME_MASK;
+ }
#endif
+ if (flags & LIST_CONTEXT) {
+ all_fmt |= STYLE_SINGLE;
+ }
#ifdef CONFIG_FEATURE_HUMAN_READABLE
- case 'h':
- ls_disp_hr = TRUE;
- break;
+ if (opt == 'l') {
+ all_fmt &= ~LS_DISP_HR;
+ }
#endif
- case 'k':
- break;
- default:
- goto print_usage_message;
+ all_fmt |= flags;
}
}
/* sort out which command line options take precedence */
#ifdef CONFIG_FEATURE_LS_RECURSIVE
- if (disp_opts & DISP_NOLIST)
- disp_opts &= ~DISP_RECURSIVE; /* no recurse if listing only dir */
+ if (all_fmt & DISP_NOLIST)
+ all_fmt &= ~DISP_RECURSIVE; /* no recurse if listing only dir */
#endif
#if defined (CONFIG_FEATURE_LS_TIMESTAMPS) && defined (CONFIG_FEATURE_LS_SORTFILES)
- if (time_fmt & TIME_CHANGE)
- sort_opts = SORT_CTIME;
- if (time_fmt & TIME_ACCESS)
- sort_opts = SORT_ATIME;
+ if (all_fmt & TIME_CHANGE)
+ all_fmt = (all_fmt & ~SORT_MASK) | SORT_CTIME;
+ if (all_fmt & TIME_ACCESS)
+ all_fmt = (all_fmt & ~SORT_MASK) | SORT_ATIME;
#endif
- if (style_fmt != STYLE_LONG)
- list_fmt &= ~LIST_ID_NUMERIC; /* numeric uid only for long list */
+ if ((all_fmt & STYLE_MASK) != STYLE_LONG) /* only for long list */
+ all_fmt &= ~(LIST_ID_NUMERIC|LIST_FULLTIME|LIST_ID_NAME|LIST_ID_NUMERIC);
#ifdef CONFIG_FEATURE_LS_USERNAME
- if (style_fmt == STYLE_LONG && (list_fmt & LIST_ID_NUMERIC))
- list_fmt &= ~LIST_ID_NAME; /* don't list names if numeric uid */
+ if ((all_fmt & STYLE_MASK) == STYLE_LONG && (all_fmt & LIST_ID_NUMERIC))
+ all_fmt &= ~LIST_ID_NAME; /* don't list names if numeric uid */
#endif
/* choose a display format */
- if (style_fmt == STYLE_AUTO)
- style_fmt = isatty(fileno(stdout)) ? STYLE_COLUMNS : STYLE_SINGLE;
+ if ((all_fmt & STYLE_MASK) == STYLE_AUTO)
+#if STYLE_AUTO != 0
+ all_fmt = (all_fmt & ~STYLE_MASK)
+ | (isatty(STDOUT_FILENO) ? STYLE_COLUMNS : STYLE_SINGLE);
+#else
+ all_fmt |= (isatty(STDOUT_FILENO) ? STYLE_COLUMNS : STYLE_SINGLE);
+#endif
/*
* when there are no cmd line args we have to supply a default "." arg.
ac = argc - optind; /* how many cmd line args are left */
if (ac < 1) {
av = (char **) xcalloc((size_t) 1, (size_t) (sizeof(char *)));
- av[0] = xstrdup(".");
+ av[0] = bb_xstrdup(".");
ac = 1;
} else {
av = (char **) xcalloc((size_t) ac, (size_t) (sizeof(char *)));
/* now, everything is in the av array */
if (ac > 1)
- disp_opts |= DISP_DIRNAME; /* 2 or more items? label directories */
+ all_fmt |= DISP_DIRNAME; /* 2 or more items? label directories */
/* stuff the command line file names into an dnode array */
dn = NULL;
for (oi = 0; oi < ac; oi++) {
- cur = (struct dnode *) xmalloc(sizeof(struct dnode));
- cur->fullname = xstrdup(av[oi]);
- cur->name = cur->fullname;
- if (my_stat(cur))
+ char *fullname = bb_xstrdup(av[oi]);
+
+ cur = my_stat(fullname, fullname);
+ if (!cur)
continue;
cur->next = dn;
dn = cur;
cur = cur->next;
}
-
- if (disp_opts & DISP_NOLIST) {
+ if (all_fmt & DISP_NOLIST) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(dnp, nfiles);
#endif
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(dnd, dndirs);
#endif
- showdirs(dnd, dndirs);
+ showdirs(dnd, dndirs, dnfiles == 0);
}
}
return (status);
-
- print_usage_message:
- show_usage();
}
projects / oweals / busybox.git / blobdiff