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Diffstat (limited to 'coreutils/ls.c')
-rw-r--r--coreutils/ls.c94
1 files changed, 81 insertions, 13 deletions
diff --git a/coreutils/ls.c b/coreutils/ls.c
index 4a49566..6245361 100644
--- a/coreutils/ls.c
+++ b/coreutils/ls.c
@@ -62,6 +62,11 @@ enum {
#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>
@@ -89,14 +94,15 @@ enum {
#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)
@@ -179,6 +185,9 @@ struct dnode { /* the basic node */
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;
@@ -189,6 +198,10 @@ static int list_single(struct dnode *);
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 unsigned short tabstops = COLUMN_GAP;
@@ -203,26 +216,49 @@ 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 (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;
}
@@ -451,6 +487,9 @@ static void showfiles(struct dnode **dn, int nfiles)
/* 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)
@@ -695,6 +734,21 @@ static int list_single(struct dnode *dn)
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
errno = 0;
@@ -774,6 +828,9 @@ static const char ls_opts[] = "1AaCdgilnsx"
"h"
#endif
"k"
+#ifdef CONFIG_SELINUX
+ "K"
+#endif
#ifdef CONFIG_FEATURE_AUTOWIDTH
"T:w:"
#endif
@@ -834,7 +891,12 @@ static const unsigned opt_flags[] = {
#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
};
@@ -849,6 +911,9 @@ extern int ls_main(int argc, char **argv)
int opt;
int oi, ac;
char **av;
+#ifdef CONFIG_SELINUX
+ is_flask_enabled_flag = is_flask_enabled();
+#endif
#ifdef CONFIG_FEATURE_AUTOWIDTH
struct winsize win = { 0, 0, 0, 0 };
@@ -911,6 +976,9 @@ extern int ls_main(int argc, char **argv)
if (flags & TIME_MASK_TRIGGER) {
all_fmt &= ~TIME_MASK;
}
+ if (flags & LIST_CONTEXT) {
+ all_fmt |= STYLE_SINGLE;
+ }
#ifdef CONFIG_FEATURE_HUMAN_READABLE
if (opt == 'l') {
all_fmt &= ~LS_DISP_HR;