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-rw-r--r--toys/posix/ls.c45
1 files changed, 42 insertions, 3 deletions
diff --git a/toys/posix/ls.c b/toys/posix/ls.c
index 3c37c7e0..892e8267 100644
--- a/toys/posix/ls.c
+++ b/toys/posix/ls.c
@@ -5,7 +5,7 @@
*
* See http://opengroup.org/onlinepubs/9699919799/utilities/ls.html
-USE_LS(NEWTOY(ls, USE_LS_COLOR("(color):;")"goACFHLRSacdfiklmnpqrstux1[-1Cglmnox][-cu][-ftS][-HL]", TOYFLAG_BIN|TOYFLAG_LOCALE))
+USE_LS(NEWTOY(ls, USE_LS_COLOR("(color):;")"goACFHLR"USE_LS_SMACK("Z")"Sacdfiklmnpqrstux1[-1Cglmnox][-cu][-ftS][-HL]", TOYFLAG_BIN|TOYFLAG_LOCALE))
config LS
bool "ls"
@@ -32,6 +32,15 @@ config LS
sorting (default is alphabetical):
-f unsorted -r reverse -t timestamp -S size
+config LS_SMACK
+ bool
+ default y
+ depends on LS && TOYBOX_SMACK
+ help
+ usage: ls [-Z]
+
+ -Z security context
+
config LS_COLOR
bool "ls --color"
default y
@@ -158,6 +167,14 @@ static void entrylen(struct dirtree *dt, unsigned *len)
}
len[6] = (flags & FLAG_s) ? numlen(st->st_blocks) : 0;
+
+ if (CFG_LS_SMACK && (flags & FLAG_Z)) {
+ char *zpath = dirtree_path(dt, 0);
+ ssize_t zlen = lgetxattr(zpath, XATTR_NAME_SMACK, 0, 0);
+ free(zpath);
+ len[7] = (zlen <= 0) || (zlen > SMACK_LABEL_LEN) ? 0 : (int)zlen;
+ } else
+ len[7] = 0;
}
static int compare(void *a, void *b)
@@ -263,7 +280,7 @@ static void listfiles(int dirfd, struct dirtree *indir)
{
struct dirtree *dt, **sort = 0;
unsigned long dtlen = 0, ul = 0;
- unsigned width, flags = toys.optflags, totals[7], len[7], totpad = 0,
+ unsigned width, flags = toys.optflags, totals[8], len[8], totpad = 0,
*colsizes = (unsigned *)(toybuf+260), columns = (sizeof(toybuf)-260)/4;
memset(totals, 0, sizeof(totals));
@@ -313,7 +330,7 @@ static void listfiles(int dirfd, struct dirtree *indir)
qsort(sort, dtlen, sizeof(void *), (void *)compare);
for (ul = 0; ul<dtlen; ul++) {
entrylen(sort[ul], len);
- for (width = 0; width<7; width++)
+ for (width = 0; width<8; width++)
if (len[width]>totals[width]) totals[width] = len[width];
totpad = totals[1]+!!totals[1]+totals[6]+!!totals[6];
blocks += sort[ul]->st.st_blocks;
@@ -410,6 +427,18 @@ static void listfiles(int dirfd, struct dirtree *indir)
printf("%s% *ld %s%s%s%s", perm, totals[2]+1, (long)st->st_nlink,
usr, upad, grp, grpad);
+ if (CFG_LS_SMACK) {
+ if (flags & FLAG_Z) {
+ char zbuf[SMACK_LABEL_LEN + 1];
+ char *zpath = dirtree_path(sort[next], 0);
+ ssize_t zlen = getxattr(zpath, XATTR_NAME_SMACK, zbuf, sizeof(zbuf));
+ free(zpath);
+ if ((zlen <= 0) || (zlen > SMACK_LABEL_LEN)) zbuf[0] = '?', zlen = 1;
+ zbuf[zlen] = '\0';
+ xprintf(" %s%s", zbuf, toybuf+256-(totals[7]-(int)zlen));
+ }
+ }
+
if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
printf("% *d,% 4d", totals[5]-4, major(st->st_rdev),minor(st->st_rdev));
else printf("% *"PRId64, totals[5]+1, (int64_t)st->st_size);
@@ -417,6 +446,16 @@ static void listfiles(int dirfd, struct dirtree *indir)
tm = localtime(&(st->st_mtime));
strftime(thyme, sizeof(thyme), "%F %H:%M", tm);
xprintf(" %s ", thyme);
+ } else if (CFG_LS_SMACK) {
+ if (flags & FLAG_Z) {
+ char zbuf[SMACK_LABEL_LEN + 1];
+ char *zpath = dirtree_path(sort[next], 0);
+ ssize_t zlen = getxattr(zpath, XATTR_NAME_SMACK, zbuf, sizeof(zbuf));
+ free(zpath);
+ if ((zlen <= 0) || (zlen > SMACK_LABEL_LEN)) zbuf[0] = '?', zlen = 1;
+ zbuf[zlen] = '\0';
+ xprintf("%s%s ", toybuf+256-(totals[7]-(int)(zlen-1)), zbuf);
+ }
}
if (flags & FLAG_color) {