chown: fix handling of "user.group" notation

This commit is contained in:
Denis Vlasenko 2007-01-03 20:07:06 +00:00
parent c9d34da375
commit 6eebed561a

View File

@ -13,8 +13,7 @@
#include "busybox.h"
static uid_t uid = -1;
static gid_t gid = -1;
static struct bb_uidgid_t ugid = { -1, -1 };
static int (*chown_func)(const char *, uid_t, gid_t) = chown;
@ -38,12 +37,14 @@ static int fileAction(const char *fileName, struct stat *statbuf,
// if (depth ... && S_ISLNK(statbuf->st_mode)) ....
if (!chown_func(fileName,
(uid == (uid_t)-1) ? statbuf->st_uid : uid,
(gid == (gid_t)-1) ? statbuf->st_gid : gid)) {
(ugid.uid == (uid_t)-1) ? statbuf->st_uid : ugid.uid,
(ugid.gid == (gid_t)-1) ? statbuf->st_gid : ugid.gid)
) {
if (OPT_VERBOSE
|| (OPT_CHANGED && (statbuf->st_uid != uid || statbuf->st_gid != gid))
|| (OPT_CHANGED && (statbuf->st_uid != ugid.uid || statbuf->st_gid != ugid.gid))
) {
printf("changed ownership of '%s' to %u:%u\n", fileName, uid, gid);
printf("changed ownership of '%s' to %u:%u\n",
fileName, ugid.uid, ugid.gid);
}
return TRUE;
}
@ -65,23 +66,21 @@ int chown_main(int argc, char **argv)
/* First, check if there is a group name here */
groupName = strchr(*argv, '.'); /* deprecated? */
if (!groupName) {
if (!groupName)
groupName = strchr(*argv, ':');
}
else
*groupName = ':'; /* replace '.' with ':' */
/* First, try parsing "user[:[group]]" */
if (!groupName) { /* "user" */
uid = get_ug_id(*argv, xuname2uid);
ugid.uid = get_ug_id(*argv, xuname2uid);
} else if (groupName == *argv) { /* ":group" */
gid = get_ug_id(groupName + 1, xgroup2gid);
ugid.gid = get_ug_id(groupName + 1, xgroup2gid);
} else {
struct bb_uidgid_t ugid;
if (!groupName[1]) /* "user:" */
*groupName = '\0';
if (!get_uidgid(&ugid, *argv, 1))
bb_error_msg_and_die("unknown user/group %s", *argv);
uid = ugid.uid;
gid = ugid.gid;
}
/* Ok, ready to do the deed now */