auto import from //branches/cupcake/...@130745

3 files changed, 83 insertions, 3 deletions

diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index b0c241e..5a8dc0b 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -41,6 +41,7 @@ TOOLS := \
 	printenv \
 	smd \
 	chmod \
+    chown \
 	mkdosfs \
 	netstat \
 	ioctl \
diff --git a/toolbox/chown.c b/toolbox/chown.c
new file mode 100644
index 0000000..13617db
--- /dev/null
+++ b/toolbox/chown.c
@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <errno.h>
+#include <pwd.h>
+#include <grp.h>
+
+#include <unistd.h>
+#include <time.h>
+
+int chown_main(int argc, char **argv)
+{
+    int i;
+
+    if (argc < 3) {
+        fprintf(stderr, "Usage: chown <USER>[.GROUP] <FILE1> [FILE2] ...\n");
+        return 10;
+    }
+
+    // Copy argv[1] to 'user' so we can truncate it at the period
+    // if a group id specified.
+    char user[32];
+    char *group = NULL;
+    strncpy(user, argv[1], sizeof(user));
+    if ((group = strchr(user, '.')) != NULL) {
+        *group++ = '\0';
+    }
+
+    // Lookup uid (and gid if specified)
+    struct passwd *pw;
+    struct group *grp = NULL;
+    uid_t uid;
+    gid_t gid = -1; // passing -1 to chown preserves current group
+
+    pw = getpwnam(user);
+    if (pw == NULL) {
+        fprintf(stderr, "No such user '%s'\n", user);
+        return 10;
+    }
+    uid = pw->pw_uid;
+
+    if (group != NULL) {
+        grp = getgrnam(group);
+        if (grp == NULL) {
+            fprintf(stderr, "No such group '%s'\n", group);
+            return 10;
+        }
+        gid = grp->gr_gid; 
+    }
+
+    for (i = 2; i < argc; i++) {
+        if (chown(argv[i], uid, gid) < 0) {
+            fprintf(stderr, "Unable to chmod %s: %s\n", argv[i], strerror(errno));
+            return 10;
+        }
+    }
+
+    return 0;
+}
+
diff --git a/toolbox/insmod.c b/toolbox/insmod.c
index d084403..44b9847 100644
--- a/toolbox/insmod.c
+++ b/toolbox/insmod.c
@@ -45,10 +45,12 @@ bail:
 	return buffer;
 }
 
+#define min(x,y) ((x) < (y) ? (x) : (y))
 int insmod_main(int argc, char **argv)
 {
 	void *file;
-	ssize_t size;
+	ssize_t size = 0;
+	char opts[1024];
 	int ret;
 
 	/* make sure we've got an argument */
@@ -64,9 +66,24 @@ int insmod_main(int argc, char **argv)
 		return -1;
 	}
 
+	opts[0] = '\0';
+	if (argc > 2) {
+		int i, len;
+		char *end = opts + sizeof(opts) - 1;
+		char *ptr = opts;
+
+		for (i = 2; (i < argc) && (ptr < end); i++) {
+			len = min(strlen(argv[i]), end - ptr);
+			memcpy(ptr, argv[i], len);
+			ptr += len;
+			*ptr++ = ' ';
+			*ptr++ = '\0';
+		}
+		*(ptr - 1) = '\0';
+	}
+
 	/* pass it to the kernel */
-	/* XXX options */
-	ret = init_module(file, size, "");
+	ret = init_module(file, size, opts);
 	if (ret != 0) {
 		fprintf(stderr,
                 "insmod: init_module '%s' failed (%s)\n",