Differential D15119 Diff 48486 head/usr.sbin/chown/chown.c

Changeset View

Standalone View

head/usr.sbin/chown/chown.c

Show First 20 Lines • Show All 49 Lines • ▼ Show 20 Lines
#include <err.h>		#include <err.h>
#include <errno.h>		#include <errno.h>
#include <fcntl.h>		#include <fcntl.h>
#include <fts.h>		#include <fts.h>
#include <grp.h>		#include <grp.h>
#include <libgen.h>		#include <libgen.h>
#include <pwd.h>		#include <pwd.h>
#include <signal.h>		#include <signal.h>
		#include <stddef.h>
#include <stdint.h>		#include <stdint.h>
#include <stdio.h>		#include <stdio.h>
#include <stdlib.h>		#include <stdlib.h>
#include <string.h>		#include <string.h>
#include <unistd.h>		#include <unistd.h>

static void a_gid(const char *);		static void a_gid(const char *);
static void a_uid(const char *);		static void a_uid(const char *);
▲ Show 20 Lines • Show All 175 Lines • ▼ Show 20 Lines	a_uid(const char *s)
if (s == '\0') / Argument was "[:.]gid". */		if (s == '\0') / Argument was "[:.]gid". */
return;		return;
uid = ((pw = getpwnam(s)) != NULL) ? pw->pw_uid : id(s, "user");		uid = ((pw = getpwnam(s)) != NULL) ? pw->pw_uid : id(s, "user");
}		}

static uid_t		static uid_t
id(const char name, const char type)		id(const char name, const char type)
{		{
uid_t val;		unsigned long val;
char *ep;		char *ep;

/*
* XXX
* We know that uid_t's and gid_t's are unsigned longs.
*/
errno = 0;		errno = 0;
val = strtoul(name, &ep, 10);		val = strtoul(name, &ep, 10);
if (errno \|\| *ep != '\0')		_Static_assert(UID_MAX >= GID_MAX, "UID MAX less than GID MAX");
		if (errno \|\| *ep != '\0' \|\| val > UID_MAX)
errx(1, "%s: illegal %s name", name, type);		errx(1, "%s: illegal %s name", name, type);
return (val);		return (val);
}		}

static void		static void
chownerr(const char *file)		chownerr(const char *file)
{		{
static uid_t euid = -1;		static uid_t euid = -1;
▲ Show 20 Lines • Show All 65 Lines • Show Last 20 Lines