/* vi: set sw=4 ts=4: */
-/* Copyright (C) 2003 Manuel Novoa III
+/* Copyright (C) 2003 Manuel Novoa III
*
- * Licensed under GPL v2, or later. See file LICENSE in this tarball.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-/* Nov 6, 2003 Initial version.
+/* Nov 6, 2003 Initial version.
*
- * NOTE: This implementation is quite strict about requiring all
+ * NOTE: This implementation is quite strict about requiring all
* field seperators. It also does not allow leading whitespace
* except when processing the numeric fields. glibc is more
* lenient. See the various glibc difference comments below.
*
- * TODO:
+ * TODO:
* Move to dynamic allocation of (currently statically allocated)
* buffers; especially for the group-related functions since
* large group member lists will cause error returns.
- *
*/
#include "libbb.h"
#include <assert.h>
-#ifndef _PATH_SHADOW
-#define _PATH_SHADOW "/etc/shadow"
-#endif
-#ifndef _PATH_PASSWD
-#define _PATH_PASSWD "/etc/passwd"
-#endif
-#ifndef _PATH_GROUP
-#define _PATH_GROUP "/etc/group"
-#endif
-
/**********************************************************************/
/* Sizes for statically allocated buffers. */
}
#if ENABLE_USE_BB_SHADOW
+#ifdef UNUSED_FOR_NOW
int fgetspent_r(FILE *__restrict stream, struct spwd *__restrict resultbuf,
char *__restrict buffer, size_t buflen,
struct spwd **__restrict result)
return rv;
}
#endif
+#endif
/**********************************************************************/
/* For the various fget??ent funcs, return NULL on failure and a
* TODO: audit & stop using these in bbox, they pull in static buffers */
/**********************************************************************/
-#if 0
+#ifdef UNUSED_SINCE_WE_AVOID_STATIC_BUFS
struct passwd *fgetpwent(FILE *stream)
{
struct statics *S;
#endif
#if ENABLE_USE_BB_SHADOW
-#if 0
+#ifdef UNUSED_SINCE_WE_AVOID_STATIC_BUFS
struct spwd *fgetspent(FILE *stream)
{
struct statics *S;
}
#endif
+#ifdef UNUSED_FOR_NOW
int sgetspent_r(const char *string, struct spwd *result_buf,
char *buffer, size_t buflen, struct spwd **result)
{
return rv;
}
#endif
+#endif /* ENABLE_USE_BB_SHADOW */
/**********************************************************************/
}
#endif
-#ifdef THIS_ONE_IS_UNUSED
-/* This one doesn't use static buffers */
-int getpw(uid_t uid, char *buf)
-{
- struct passwd resultbuf;
- struct passwd *result;
- char buffer[PWD_BUFFER_SIZE];
-
- if (!buf) {
- errno = EINVAL;
- return -1;
- }
-
- if (!getpwuid_r(uid, &resultbuf, buffer, sizeof(buffer), &result)) {
- if (sprintf(buf, "%s:%s:%lu:%lu:%s:%s:%s\n",
- resultbuf.pw_name, resultbuf.pw_passwd,
- (unsigned long)(resultbuf.pw_uid),
- (unsigned long)(resultbuf.pw_gid),
- resultbuf.pw_gecos, resultbuf.pw_dir,
- resultbuf.pw_shell) >= 0
- ) {
- return 0;
- }
- }
-
- return -1;
-}
-#endif
-
/**********************************************************************/
/* FIXME: we don't have such CONFIG_xx - ?! */
return rv;
}
+#ifdef UNUSED_FOR_NOW
#if ENABLE_USE_BB_SHADOW
static FILE *spf /*= NULL*/;
void setspent(void)
return rv;
}
#endif
+#endif /* UNUSED_FOR_NOW */
-#if 0
+#ifdef UNUSED_SINCE_WE_AVOID_STATIC_BUFS
struct passwd *getpwent(void)
{
static char line_buff[PWD_BUFFER_SIZE];
getgrent_r(&gr, line_buff, sizeof(line_buff), &result);
return result;
}
-#endif
-#if 0 //ENABLE_USE_BB_SHADOW
+#if ENABLE_USE_BB_SHADOW
struct spwd *getspent(void)
{
static char line_buff[PWD_BUFFER_SIZE];
return result;
}
#endif
+#endif /* UNUSED_SINCE_WE_AVOID_STATIC_BUFS */
static gid_t *getgrouplist_internal(int *ngroups_ptr, const char *user, gid_t gid)
{
return ngroups_old;
}
+#ifdef UNUSED_SINCE_WE_AVOID_STATIC_BUFS
int putpwent(const struct passwd *__restrict p, FILE *__restrict f)
{
int rv = -1;
+#if 0
+ /* glibc does this check */
if (!p || !f) {
errno = EINVAL;
return rv;
}
+#endif
/* No extra thread locking is needed above what fprintf does. */
if (fprintf(f, "%s:%s:%lu:%lu:%s:%s:%s\n",
{
int rv = -1;
- if (!p || !f) { /* Sigh... glibc checks. */
+#if 0
+ /* glibc does this check */
+ if (!p || !f) {
errno = EINVAL;
return rv;
}
+#endif
if (fprintf(f, "%s:%s:%lu:",
p->gr_name, p->gr_passwd,
return rv;
}
+#endif
#if ENABLE_USE_BB_SHADOW
+#ifdef UNUSED_FOR_NOW
static const unsigned char put_sp_off[] ALIGN1 = {
offsetof(struct spwd, sp_lstchg), /* 2 - not a char ptr */
offsetof(struct spwd, sp_min), /* 3 - not a char ptr */
return rv;
}
#endif
+#endif /* USE_BB_SHADOW */
/**********************************************************************/
-/* Internal uClibc functions. */
+/* Internal functions */
/**********************************************************************/
static const unsigned char pw_off[] ALIGN1 = {
if (p[1]) { /* We have a member list to process. */
/* Overwrite the last ':' with a ',' before counting.
- * This allows us to test for initial ',' and adds
- * one ',' so that the ',' count equals the member
- * count. */
+ * This allows us to (1) test for initial ','
+ * and (2) adds one ',' so that the number of commas
+ * equals the member count. */
*p = ',';
do {
/* NOTE: glibc difference - glibc allows and trims leading
/**********************************************************************/
-/* Reads until if EOF, or until if finds a line which fits in the buffer
+/* Reads until EOF, or until it finds a line which fits in the buffer
* and for which the parser function succeeds.
*
- * Returns 0 on success and ENOENT for end-of-file (glibc concession).
+ * Returns 0 on success and ENOENT for end-of-file (glibc convention).
*/
static int bb__pgsreader(
int FAST_FUNC (*parserfunc)(void *d, char *line),