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chown: Support numeric uids/gids

This commit is contained in:
Michael Forney 2014-11-02 22:24:53 +00:00 committed by sin
parent 6164445cce
commit 62850af594
1 changed files with 16 additions and 9 deletions
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25
chown.c
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@ -11,8 +11,8 @@
static void chownpwgr(const char *);
static bool rflag = false;
static struct passwd *pw = NULL;
static struct group *gr = NULL;
static uid_t uid = -1;
static gid_t gid = -1;
static int ret = 0;
static void
@ -24,7 +24,9 @@ usage(void)
int
main(int argc, char *argv[])
{
char *owner, *group;
char *owner, *group, *end;
struct passwd *pw;
struct group *gr;
ARGBEGIN {
case 'R':
@ -47,20 +49,26 @@ main(int argc, char *argv[])
if(owner && *owner) {
errno = 0;
pw = getpwnam(owner);
if (!pw) {
if(pw) {
uid = pw->pw_uid;
} else {
if(errno != 0)
eprintf("getpwnam %s:", owner);
else
uid = strtoul(owner, &end, 10);
if(*end != '\0')
eprintf("getpwnam %s: no such user\n", owner);
}
}
if(group && *group) {
errno = 0;
gr = getgrnam(group);
if (!gr) {
if(gr) {
gid = gr->gr_gid;
} else {
if(errno != 0)
eprintf("getgrnam %s:", group);
else
gid = strtoul(group, &end, 10);
if(*end != '\0')
eprintf("getgrnam %s: no such group\n", group);
}
}
@ -73,8 +81,7 @@ main(int argc, char *argv[])
void
chownpwgr(const char *path)
{
if(chown(path, pw ? pw->pw_uid : (uid_t)-1,
gr ? gr->gr_gid : (gid_t)-1) == -1) {
if(chown(path, uid, gid) == -1) {
weprintf("chown %s:", path);
ret = 1;
}