#include <termios.h>
#include <sys/ioctl.h>
#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
/* 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 **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
#ifdef CONFIG_FEATURE_AUTOWIDTH
static int status = EXIT_SUCCESS;
-#ifdef CONFIG_FEATURE_HUMAN_READABLE
-static unsigned long ls_disp_hr = 0;
-#endif
-
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;
#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
- if (follow_links) {
- if (stat(fullname, &dstat)) {
- perror_msg("%s", 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;
return 0;
}
} else
#endif
- if (lstat(fullname, &dstat)) {
- perror_msg("%s", fullname);
- status = EXIT_FAILURE;
- return 0;
+ {
+#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;
+ }
}
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;
}
#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 int is_subdir(struct dnode *dn)
-{
- return (S_ISDIR(dn->dstat.st_mode) && strcmp(dn->name, ".") != 0 &&
- strcmp(dn->name, "..") != 0);
-}
-static int countdirs(struct dnode **dn, int nfiles)
+#define countdirs(A,B) count_dirs((A), (B), 1)
+#define countsubdirs(A,B) count_dirs((A), (B), 0)
+
+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;
/* 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
#else
dif = strcmp(d1->name, d2->name);
#endif
- if (dif > 0)
- cmp = 1;
- if (dif < 0)
- cmp = -1;
}
- if (sort_order == SORT_REVERSE) {
- cmp = -1 * cmp;
+ if (all_fmt & SORT_ORDER_REVERSE) {
+ dif = -dif;
}
- return (cmp);
+ return (dif);
}
/*----------------------------------------------------------------------*/
if (dn == NULL || nfiles < 1)
return;
- 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;
- default:
- /* find the longest file name- use that as the column width */
- for (i = 0; i < nfiles; i++) {
+ } else {
+ /* find the longest file name- use that as the column width */
+ for (i = 0; i < nfiles; i++) {
int len = strlen(dn[i]->name) +
- ((list_fmt & LIST_INO) ? 8 : 0) +
- ((list_fmt & LIST_BLOCKS) ? 5 : 0);
- if (column_width < len)
- column_width = len;
- }
+#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);
}
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) {
if (column > 0) {
return;
for (i = 0; i < ndirs; i++) {
- if (disp_opts & (DISP_DIRNAME | DISP_RECURSIVE)) {
+ if (all_fmt & (DISP_DIRNAME | DISP_RECURSIVE)) {
printf("\n%s:\n", dn[i]->fullname);
}
subdnp = list_dir(dn[i]->fullname);
#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);
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 */
}
if ((entry->d_name[1] == 0 || (
entry->d_name[1] == '.'
&& entry->d_name[2] == 0))
- && !(disp_opts & DISP_DOT))
+ && !(all_fmt & DISP_DOT))
continue;
- if (!(disp_opts & DISP_HIDDEN))
+ if (!(all_fmt & DISP_HIDDEN))
continue;
}
fullname = concat_path_file(path, entry->d_name);
#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:
column += printf("%7ld ", (long int) dn->dstat.st_ino);
break;
#endif
break;
case LIST_MODEBITS:
- column += printf("%-10s ", (char *) mode_string(dn->dstat.st_mode));
+ column += printf("%-10s ", (char *) bb_mode_string(dn->dstat.st_mode));
break;
case LIST_NLINKS:
column += printf("%4ld ", (long) dn->dstat.st_nlink);
(int) MINOR(dn->dstat.st_rdev));
} else {
#ifdef CONFIG_FEATURE_HUMAN_READABLE
- if (ls_disp_hr == TRUE) {
+ if (all_fmt & LS_DISP_HR) {
column += printf("%9s ",
make_human_readable_str(dn->dstat.st_size, 1, 0));
} else
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
case LIST_FULLTIME:
case LIST_DATE_TIME:
- if (list_fmt & LIST_FULLTIME) {
+ if (all_fmt & LIST_FULLTIME) {
printf("%24.24s ", filetime);
column += 25;
break;
}
column += 13;
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);
+ }
+ break;
#endif
case LIST_FILENAME:
#ifdef CONFIG_FEATURE_LS_COLOR
}
/*----------------------------------------------------------------------*/
-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 };
-#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;
-#endif
-#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
- time_fmt = TIME_MOD;
-#endif
-#ifdef CONFIG_FEATURE_AUTOWIDTH
- ioctl(fileno(stdout), TIOCGWINSZ, &win);
- if (win.ws_col > 0)
- terminal_width = win.ws_col - 1;
-#endif
- nfiles = 0;
-
-#ifdef CONFIG_FEATURE_LS_COLOR
- if (isatty(fileno(stdout)))
- show_color = 1;
-#endif
-
- /* process options */
- while ((opt = getopt(argc, argv, "1AaCdgilnsx"
-#ifdef CONFIG_FEATURE_AUTOWIDTH
- "T:w:"
-#endif
+static const char ls_opts[] = "1AaCdgilnsx"
#ifdef CONFIG_FEATURE_LS_FILETYPES
"Fp"
#endif
"rSvX"
#endif
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
- "cetu"
+ "ecut"
#endif
#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
"L"
#ifdef CONFIG_FEATURE_HUMAN_READABLE
"h"
#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;
+ "k"
+#ifdef CONFIG_SELINUX
+ "K"
#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_AUTOWIDTH
+ "T:w:"
+#endif
+ ;
+
+#define LIST_MASK_TRIGGER LIST_SHORT
+#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_SINGLE, /* 1 */
+ DISP_HIDDEN, /* A */
+ DISP_HIDDEN | DISP_DOT, /* a */
+ LIST_SHORT | STYLE_COLUMNS, /* C */
+ DISP_NOLIST, /* d */
+ 0, /* g - ingored */
+ LIST_INO, /* i */
+ LIST_LONG | STYLE_LONG, /* l - remember LS_DISP_HR in mask! */
+ LIST_ID_NUMERIC, /* n */
+ LIST_BLOCKS, /* s */
+ DISP_ROWS, /* x */
#ifdef CONFIG_FEATURE_LS_FILETYPES
- case 'F':
- list_fmt |= LIST_FILETYPE | LIST_EXEC;
- break;
- case 'p':
- list_fmt |= LIST_FILETYPE;
- break;
+ LIST_FILETYPE | LIST_EXEC, /* F */
+ LIST_FILETYPE, /* p */
#endif
#ifdef CONFIG_FEATURE_LS_RECURSIVE
- case 'R':
- disp_opts |= DISP_RECURSIVE;
- break;
+ DISP_RECURSIVE, /* R */
#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;
+ SORT_ORDER_REVERSE, /* r */
+ SORT_SIZE, /* S */
+ SORT_VERSION, /* v */
+ SORT_EXT, /* v */
#endif
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
- case 'e':
- list_fmt |= LIST_FULLTIME;
- break;
- case 'c':
- time_fmt = TIME_CHANGE;
+ LIST_FULLTIME, /* e */
#ifdef CONFIG_FEATURE_LS_SORTFILES
- sort_opts = SORT_CTIME;
+ TIME_CHANGE | SORT_CTIME, /* c */
+#else
+ TIME_CHANGE, /* c */
#endif
- break;
- case 'u':
- time_fmt = TIME_ACCESS;
#ifdef CONFIG_FEATURE_LS_SORTFILES
- sort_opts = SORT_ATIME;
+ TIME_ACCESS | SORT_ATIME, /* u */
+#else
+ TIME_ACCESS, /* u */
#endif
- break;
- case 't':
#ifdef CONFIG_FEATURE_LS_SORTFILES
- sort_opts = SORT_MTIME;
+ SORT_MTIME, /* t */
+#else
+ 0, /* t - ignored -- is this correct? */
#endif
- break;
#endif
#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
- case 'L':
- follow_links = TRUE;
- break;
+ FOLLOW_LINKS, /* L */
+#endif
+#ifdef CONFIG_FEATURE_HUMAN_READABLE
+LS_DISP_HR, /* h */
#endif
+#ifndef CONFIG_SELINUX
+ 0, /* k - ingored */
+#else
+ LIST_CONTEXT, /* k */
+ LIST_MODEBITS|LIST_NLINKS|LIST_CONTEXT|LIST_SIZE|LIST_DATE_TIME, /* K */
+#endif
+};
+
+
+/*----------------------------------------------------------------------*/
+
+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_SELINUX
+ is_flask_enabled_flag = is_flask_enabled();
+#endif
+
#ifdef CONFIG_FEATURE_AUTOWIDTH
- case 'T':
+ struct winsize win = { 0, 0, 0, 0 };
+#endif
+
+ all_fmt = LIST_SHORT | DISP_NORMAL | STYLE_AUTO
+#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
+ | TIME_MOD
+#endif
+#ifdef CONFIG_FEATURE_LS_SORTFILES
+ | SORT_NAME | SORT_ORDER_FORWARD
+#endif
+ ;
+#ifdef CONFIG_FEATURE_AUTOWIDTH
+ ioctl(fileno(stdout), TIOCGWINSZ, &win);
+ if (win.ws_col > 0)
+ terminal_width = win.ws_col - 1;
+#endif
+ nfiles = 0;
+
+#ifdef CONFIG_FEATURE_LS_COLOR
+ if (isatty(fileno(stdout)))
+ show_color = 1;
+#endif
+
+ /* process options */
+ while ((opt = getopt(argc, argv, ls_opts)) > 0) {
+#ifdef CONFIG_FEATURE_AUTOWIDTH
+ if (opt == 'T') {
tabstops = atoi(optarg);
- break;
- case 'w':
+ continue;
+ }
+ if (opt == 'w') {
terminal_width = atoi(optarg);
- break;
+ continue;
+ }
+ if (opt == ':') {
+ goto print_usage_message;
+ }
+#endif
+ {
+ unsigned int flags;
+ const char *p = strchr(ls_opts, opt);
+ if (!p) { /* shouldn't be necessary */
+ goto print_usage_message;
+ }
+ flags = opt_flags[(int)(p - ls_opts)];
+ 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(fileno(stdout)) ? STYLE_COLUMNS : STYLE_SINGLE);
+#else
+ all_fmt |= (isatty(fileno(stdout)) ? 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++) {
- char *fullname = xstrdup(av[oi]);
+ char *fullname = bb_xstrdup(av[oi]);
cur = my_stat(fullname, fullname);
if (!cur)
}
- if (disp_opts & DISP_NOLIST) {
+ if (all_fmt & DISP_NOLIST) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(dnp, nfiles);
#endif
return (status);
print_usage_message:
- show_usage();
+ bb_show_usage();
}