#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 */
#define STYLE_AUTO (0)
#define STYLE_COLUMNS (1U<<21) /* fill columns */
#define LIST_NLINKS (1U<<3)
#define LIST_ID_NAME (1U<<4)
#define LIST_ID_NUMERIC (1U<<5)
-#define LIST_SIZE (1U<<6)
-#define LIST_DEV (1U<<7)
-#define LIST_DATE_TIME (1U<<8)
-#define LIST_FULLTIME (1U<<9)
-#define LIST_FILENAME (1U<<10)
-#define LIST_SYMLINK (1U<<11)
-#define LIST_FILETYPE (1U<<12)
-#define LIST_EXEC (1U<<13)
+#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)
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 unsigned int all_fmt;
+#ifdef CONFIG_SELINUX
+static int is_flask_enabled_flag;
+#endif
+
#ifdef CONFIG_FEATURE_AUTOWIDTH
-static unsigned short terminal_width = TERMINAL_WIDTH;
+static int terminal_width = TERMINAL_WIDTH;
static unsigned short tabstops = COLUMN_GAP;
#else
#define tabstops COLUMN_GAP
{
struct stat dstat;
struct dnode *cur;
+#ifdef CONFIG_SELINUX
+ security_id_t sid;
+#endif
+ int rc;
#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
if (all_fmt & FOLLOW_LINKS) {
- if (stat(fullname, &dstat)) {
+#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)) {
- bb_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 (S_ISDIR(dn[i]->dstat.st_mode)
&& (notsubdirs
|| ((dn[i]->name[0] != '.')
- || (dn[i]->name[1]
+ || (dn[i]->name[1]
&& ((dn[i]->name[1] != '.')
|| dn[i]->name[2])))))
dirs++;
/* 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)
}
/*----------------------------------------------------------------------*/
-static void showdirs(struct dnode **dn, int ndirs)
+static void showdirs(struct dnode **dn, int ndirs, int first)
{
int i, nfiles;
struct dnode **subdnp;
for (i = 0; i < ndirs; i++) {
if (all_fmt & (DISP_DIRNAME | DISP_RECURSIVE)) {
- printf("\n%s:\n", dn[i]->fullname);
+ if (!first)
+ printf("\n");
+ first = 0;
+ printf("%s:\n", dn[i]->fullname);
}
subdnp = list_dir(dn[i]->fullname);
nfiles = countfiles(subdnp);
#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 */
}
}
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;
case LIST_SIZE:
case LIST_DEV:
if (S_ISBLK(dn->dstat.st_mode) || S_ISCHR(dn->dstat.st_mode)) {
- column += 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 (all_fmt & LS_DISP_HR) {
break;
#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
case LIST_FULLTIME:
+ printf("%24.24s ", filetime);
+ column += 25;
+ break;
case LIST_DATE_TIME:
- if (all_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:
/*----------------------------------------------------------------------*/
-static const char ls_opts[] = "1AaCdgilnsx"
-#ifdef CONFIG_FEATURE_LS_FILETYPES
- "Fp"
-#endif
-#ifdef CONFIG_FEATURE_LS_RECURSIVE
- "R"
+/* "[-]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
+
#ifdef CONFIG_FEATURE_LS_SORTFILES
- "rSvX"
+# define LS_STR_SORTFILES "SXrv"
+#else
+# define LS_STR_SORTFILES ""
#endif
-#ifdef CONFIG_FEATURE_LS_TIMESTAMPS
- "ecut"
+
+#ifdef CONFIG_FEATURE_LS_FILETYPES
+# define LS_STR_FILETYPES "Fp"
+#else
+# define LS_STR_FILETYPES ""
#endif
+
#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
- "L"
+# define LS_STR_FOLLOW_LINKS "L"
+#else
+# define LS_STR_FOLLOW_LINKS ""
+#endif
+
+#ifdef CONFIG_FEATURE_LS_RECURSIVE
+# define LS_STR_RECURSIVE "R"
+#else
+# define LS_STR_RECURSIVE ""
#endif
+
#ifdef CONFIG_FEATURE_HUMAN_READABLE
- "h"
+# define LS_STR_HUMAN_READABLE "h"
+#else
+# define LS_STR_HUMAN_READABLE ""
+#endif
+
+#ifdef CONFIG_SELINUX
+# define LS_STR_SELINUX "K"
+#else
+# define LS_STR_SELINUX ""
#endif
- "k"
+
#ifdef CONFIG_FEATURE_AUTOWIDTH
- "T:w:"
+# define LS_STR_AUTOWIDTH "T:w:"
+#else
+# define LS_STR_AUTOWIDTH ""
#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 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_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
- LIST_FILETYPE | LIST_EXEC, /* F */
- LIST_FILETYPE, /* p */
-#endif
-#ifdef CONFIG_FEATURE_LS_RECURSIVE
- DISP_RECURSIVE, /* R */
-#endif
-#ifdef CONFIG_FEATURE_LS_SORTFILES
- SORT_ORDER_REVERSE, /* r */
- SORT_SIZE, /* S */
- SORT_VERSION, /* v */
- SORT_EXT, /* v */
+ 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
- LIST_FULLTIME, /* e */
-#ifdef CONFIG_FEATURE_LS_SORTFILES
+# ifdef CONFIG_FEATURE_LS_SORTFILES
TIME_CHANGE | SORT_CTIME, /* c */
-#else
- TIME_CHANGE, /* c */
-#endif
-#ifdef CONFIG_FEATURE_LS_SORTFILES
+# 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 */
+# else
+ TIME_ACCESS, /* u */
+# endif
#endif
#ifdef CONFIG_FEATURE_LS_SORTFILES
- SORT_MTIME, /* t */
-#else
- 0, /* t - ignored -- is this correct? */
+ SORT_SIZE, /* S */
+ SORT_EXT, /* X */
+ SORT_ORDER_REVERSE, /* r */
+ SORT_VERSION, /* v */
#endif
+#ifdef CONFIG_FEATURE_LS_FILETYPES
+ LIST_FILETYPE | LIST_EXEC, /* F */
+ LIST_FILETYPE, /* p */
#endif
#ifdef CONFIG_FEATURE_LS_FOLLOWLINKS
- FOLLOW_LINKS, /* L */
+ FOLLOW_LINKS, /* L */
+#endif
+#ifdef CONFIG_FEATURE_LS_RECURSIVE
+ DISP_RECURSIVE, /* R */
#endif
#ifdef CONFIG_FEATURE_HUMAN_READABLE
-LS_DISP_HR, /* h */
+ LS_DISP_HR, /* h */
+#endif
+#ifdef CONFIG_SELINUX
+ LIST_MODEBITS|LIST_NLINKS|LIST_CONTEXT|LIST_SIZE|LIST_DATE_TIME, /* K */
#endif
- 0, /* k - ingored */
+ (1U<<31)
};
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;
+ 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
- struct winsize win = { 0, 0, 0, 0 };
+ char *tabstops_str = NULL;
+ char *terminal_width_str = NULL;
+#endif
+
+#ifdef CONFIG_SELINUX
+ is_flask_enabled_flag = is_flask_enabled();
#endif
all_fmt = LIST_SHORT | DISP_NORMAL | STYLE_AUTO
| 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;
+ /* Obtain the terminal width. */
+ get_terminal_width_height(STDOUT_FILENO, &terminal_width, NULL);
+ /* Go one less... */
+ terminal_width--;
#endif
- nfiles = 0;
#ifdef CONFIG_FEATURE_LS_COLOR
- if (isatty(fileno(stdout)))
+ if (isatty(STDOUT_FILENO))
show_color = 1;
#endif
/* process options */
- while ((opt = getopt(argc, argv, ls_opts)) > 0) {
#ifdef CONFIG_FEATURE_AUTOWIDTH
- if (opt == 'T') {
- tabstops = atoi(optarg);
- continue;
- }
- if (opt == 'w') {
- terminal_width = atoi(optarg);
- continue;
- }
- if (opt == ':') {
- goto print_usage_message;
- }
+ 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
- {
- 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)];
+ 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
if (opt == 'l') {
all_fmt &= ~LS_DISP_HR;
}
}
-
/* sort out which command line options take precedence */
#ifdef CONFIG_FEATURE_LS_RECURSIVE
if (all_fmt & DISP_NOLIST)
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 ((all_fmt & STYLE_MASK) == STYLE_AUTO)
#if STYLE_AUTO != 0
all_fmt = (all_fmt & ~STYLE_MASK)
- | (isatty(fileno(stdout)) ? STYLE_COLUMNS : STYLE_SINGLE);
+ | (isatty(STDOUT_FILENO) ? STYLE_COLUMNS : STYLE_SINGLE);
#else
- all_fmt |= (isatty(fileno(stdout)) ? STYLE_COLUMNS : STYLE_SINGLE);
+ all_fmt |= (isatty(STDOUT_FILENO) ? STYLE_COLUMNS : STYLE_SINGLE);
#endif
/*
cur = cur->next;
}
-
if (all_fmt & DISP_NOLIST) {
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(dnp, nfiles);
#ifdef CONFIG_FEATURE_LS_SORTFILES
shellsort(dnd, dndirs);
#endif
- showdirs(dnd, dndirs);
+ showdirs(dnd, dndirs, dnfiles == 0);
}
}
return (status);
-
- print_usage_message:
- bb_show_usage();
}
projects / oweals / busybox.git / blobdiff