Plus basic tests.
---
tests/getfattr.test | 21 +++++++++++
tests/setfattr.test | 21 +++++++++++
toys/pending/getfattr.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++++
toys/pending/setfattr.c | 56 +++++++++++++++++++++++++++++
4 files changed, 193 insertions(+)
create mode 100755 tests/getfattr.test
create mode 100755 tests/setfattr.test
create mode 100644 toys/pending/getfattr.c
create mode 100644 toys/pending/setfattr.c
From 1e190af90c732cfad2316ca03220af0b9b8d47b9 Mon Sep 17 00:00:00 2001
From: Elliott Hughes <[email protected]>
Date: Sun, 17 Jul 2016 10:42:31 -0700
Subject: [PATCH] Add getfattr(1) and setfattr(1).
Plus basic tests.
---
tests/getfattr.test | 21 +++++++++++
tests/setfattr.test | 21 +++++++++++
toys/pending/getfattr.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++++
toys/pending/setfattr.c | 56 +++++++++++++++++++++++++++++
4 files changed, 193 insertions(+)
create mode 100755 tests/getfattr.test
create mode 100755 tests/setfattr.test
create mode 100644 toys/pending/getfattr.c
create mode 100644 toys/pending/setfattr.c
diff --git a/tests/getfattr.test b/tests/getfattr.test
new file mode 100755
index 0000000..cb0f947
--- /dev/null
+++ b/tests/getfattr.test
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+[ -f testing.sh ] && . testing.sh
+
+#testing "name" "command" "result" "infile" "stdin"
+
+mkdir attrs
+touch attrs/file
+setfattr -n user.empty attrs/file
+setfattr -n user.data -v hello attrs/file
+
+testing "" "getfattr attrs/file" \
+ "# file: attrs/file\nuser.data\nuser.empty\n\n" "" ""
+testing "-d" "getfattr -d attrs/file" \
+ "# file: attrs/file\nuser.data=\"hello\"\nuser.empty\n\n" "" ""
+testing "-n" "getfattr -n user.empty attrs/file" \
+ "# file: attrs/file\nuser.empty\n\n" "" ""
+testing "-d -n" "getfattr -d -n user.data attrs/file" \
+ "# file: attrs/file\nuser.data=\"hello\"\n\n" "" ""
+
+rm -rf attrs
diff --git a/tests/setfattr.test b/tests/setfattr.test
new file mode 100755
index 0000000..6a044ea
--- /dev/null
+++ b/tests/setfattr.test
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+[ -f testing.sh ] && . testing.sh
+
+#testing "name" "command" "result" "infile" "stdin"
+
+mkdir attrs
+touch attrs/file
+setfattr -n user.empty attrs/file
+setfattr -n user.data -v hello attrs/file
+setfattr -n user.delete-me -v hello attrs/file
+
+testing "-x" \
+ "setfattr -x user.delete-me attrs/file && getfattr attrs/file" \
+ "# file: attrs/file\nuser.data\nuser.empty\n\n" "" ""
+testing "-n" "setfattr -n user.new attrs/file && getfattr -d attrs/file" \
+ "# file: attrs/file\nuser.data=\"hello\"\nuser.empty\nuser.new\n\n" "" ""
+testing "-n -v" "setfattr -n user.new -v data attrs/file && getfattr -d attrs/file" \
+ "# file: attrs/file\nuser.data=\"hello\"\nuser.empty\nuser.new=\"data\"\n\n" "" ""
+
+rm -rf attrs
diff --git a/toys/pending/getfattr.c b/toys/pending/getfattr.c
new file mode 100644
index 0000000..efec53a
--- /dev/null
+++ b/toys/pending/getfattr.c
@@ -0,0 +1,95 @@
+/* getfattr.c - Read POSIX extended attributes.
+ *
+ * Copyright 2016 Android Open Source Project.
+ *
+ * No standard
+
+USE_GETFATTR(NEWTOY(getfattr, "dhn:", TOYFLAG_USR|TOYFLAG_BIN))
+
+config GETFATTR
+ bool "getfattr"
+ default y
+ help
+ usage: getfattr [-d] [-h] [-n NAME] FILE...
+
+ Read POSIX extended attributes.
+
+ -d Show values as well as names.
+ -h Do not dereference symbolic links.
+ -n Show only attributes with the given name.
+*/
+
+#define FOR_getfattr
+#include "toys.h"
+
+GLOBALS(
+ char *n;
+)
+
+// TODO: factor out the lister and getter loops and use them in cp too.
+static void do_getfattr(char *file)
+{
+ ssize_t (*getter)(const char *, const char *, void *, size_t) = getxattr;
+ ssize_t (*lister)(const char *, char *, size_t) = listxattr;
+ char **sorted_keys;
+ ssize_t keys_len;
+ char *keys, *key;
+ int i, key_count;
+
+ if (toys.optflags&FLAG_h) {
+ getter = lgetxattr;
+ lister = llistxattr;
+ }
+
+ // Collect the keys.
+ while ((keys_len = lister(file, NULL, 0))) {
+ if (keys_len == -1) perror_msg("listxattr failed");
+ keys = xmalloc(keys_len);
+ if (lister(file, keys, keys_len) == keys_len) break;
+ free(keys);
+ }
+
+ if (keys_len == 0) return;
+
+ // Sort the keys.
+ for (key = keys, key_count = 0; key-keys < keys_len; key += strlen(key)+1)
+ key_count++;
+ sorted_keys = xmalloc(key_count * sizeof(char *));
+ for (key = keys, i = 0; key-keys < keys_len; key += strlen(key)+1)
+ sorted_keys[i++] = key;
+ qsort(sorted_keys, key_count, sizeof(char *), qstrcmp);
+
+ printf("# file: %s\n", file);
+
+ for (i = 0; i < key_count; i++) {
+ key = sorted_keys[i];
+
+ if (TT.n && strcmp(TT.n, key)) continue;
+
+ if (toys.optflags&FLAG_d) {
+ ssize_t value_len;
+ char *value = NULL;
+
+ while ((value_len = getter(file, key, NULL, 0))) {
+ if (value_len == -1) perror_msg("getxattr failed");
+ value = xzalloc(value_len+1);
+ if (getter(file, key, value, value_len) == value_len) break;
+ free(value);
+ }
+
+ if (!value) puts(key);
+ else printf("%s=\"%s\"\n", key, value);
+ free(value);
+ } else puts(key); // Just list names.
+ }
+
+ xputc('\n');
+ free(sorted_keys);
+}
+
+void getfattr_main(void)
+{
+ char **s;
+
+ for (s=toys.optargs; *s; s++) do_getfattr(*s);
+}
diff --git a/toys/pending/setfattr.c b/toys/pending/setfattr.c
new file mode 100644
index 0000000..9f17ce0
--- /dev/null
+++ b/toys/pending/setfattr.c
@@ -0,0 +1,56 @@
+/* setfattr.c - Write POSIX extended attributes.
+ *
+ * Copyright 2016 Android Open Source Project.
+ *
+ * No standard
+
+USE_SETFATTR(NEWTOY(setfattr, "hn:v:x:[!xv]", TOYFLAG_USR|TOYFLAG_BIN))
+
+config SETFATTR
+ bool "setfattr"
+ default y
+ help
+ usage: setfattr [-h] -n NAME [-v VALUE] FILE...
+ usage: setfattr [-h] -x NAME FILE...
+
+ Write POSIX extended attributes.
+
+ -h Do not dereference symbolic links.
+ -n Set value of given attribute.
+ -x Remove value of given attribute.
+ -v Value to use with -n (default is empty).
+*/
+
+#define FOR_setfattr
+#include "toys.h"
+
+GLOBALS(
+ char *x, *v, *n;
+)
+
+static void do_setfattr(char *file)
+{
+ int (*setter)(const char *, const char *, const void *, size_t, int) =
+ setxattr;
+ int (*remover)(const char *, const char *) = removexattr;
+
+ if (toys.optflags&FLAG_h) {
+ setter = lsetxattr;
+ remover = lremovexattr;
+ }
+
+ if (toys.optflags&FLAG_x) {
+ if (remover(file, TT.x)) perror_msg("removexattr failed");
+ } else {
+ if (setter(file, TT.n, TT.v, TT.v ? strlen(TT.v) : 0, 0))
+ perror_msg("setxattr failed");
+ }
+}
+
+void setfattr_main(void)
+{
+ char **s;
+
+ if (!(toys.optflags&(FLAG_n|FLAG_x))) error_exit("need 'n' or 'x'");
+ for (s=toys.optargs; *s; s++) do_setfattr(*s);
+}
--
2.8.0.rc3.226.g39d4020
_______________________________________________
Toybox mailing list
[email protected]
http://lists.landley.net/listinfo.cgi/toybox-landley.net
