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-rw-r--r--nss/nss_files/files-XXX.c300
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diff --git a/nss/nss_files/files-XXX.c b/nss/nss_files/files-XXX.c
deleted file mode 100644
index 265331ef21..0000000000
--- a/nss/nss_files/files-XXX.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/* Common code for file-based databases in nss_files module.
- Copyright (C) 1996-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <stdio.h>
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <libc-lock.h>
-#include "nsswitch.h"
-
-#include <kernel-features.h>
-
-/* These symbols are defined by the including source file:
-
- ENTNAME -- database name of the structure and functions (hostent, pwent).
- STRUCTURE -- struct name, define only if not ENTNAME (passwd, group).
- DATABASE -- string of the database file's name ("hosts", "passwd").
-
- NEED_H_ERRNO - defined iff an arg `int *herrnop' is used.
-
- Also see files-parse.c.
-*/
-
-#define ENTNAME_r CONCAT(ENTNAME,_r)
-
-#define DATAFILE "/etc/" DATABASE
-
-#ifdef NEED_H_ERRNO
-# include <netdb.h>
-# define H_ERRNO_PROTO , int *herrnop
-# define H_ERRNO_ARG , herrnop
-# define H_ERRNO_SET(val) (*herrnop = (val))
-#else
-# define H_ERRNO_PROTO
-# define H_ERRNO_ARG
-# define H_ERRNO_SET(val) ((void) 0)
-#endif
-
-#ifndef EXTRA_ARGS
-# define EXTRA_ARGS
-# define EXTRA_ARGS_DECL
-# define EXTRA_ARGS_VALUE
-#endif
-
-/* Locks the static variables in this file. */
-__libc_lock_define_initialized (static, lock)
-
-/* Maintenance of the stream open on the database file. For getXXent
- operations the stream needs to be held open across calls, the other
- getXXbyYY operations all use their own stream. */
-
-static FILE *stream;
-
-/* Open database file if not already opened. */
-static enum nss_status
-internal_setent (FILE **stream)
-{
- enum nss_status status = NSS_STATUS_SUCCESS;
-
- if (*stream == NULL)
- {
- *stream = fopen (DATAFILE, "rce");
-
- if (*stream == NULL)
- status = errno == EAGAIN ? NSS_STATUS_TRYAGAIN : NSS_STATUS_UNAVAIL;
- }
- else
- rewind (*stream);
-
- return status;
-}
-
-
-/* Thread-safe, exported version of that. */
-enum nss_status
-CONCAT(_nss_files_set,ENTNAME) (int stayopen)
-{
- enum nss_status status;
-
- __libc_lock_lock (lock);
-
- status = internal_setent (&stream);
-
- __libc_lock_unlock (lock);
-
- return status;
-}
-
-
-/* Close the database file. */
-static void
-internal_endent (FILE **stream)
-{
- if (*stream != NULL)
- {
- fclose (*stream);
- *stream = NULL;
- }
-}
-
-
-/* Thread-safe, exported version of that. */
-enum nss_status
-CONCAT(_nss_files_end,ENTNAME) (void)
-{
- __libc_lock_lock (lock);
-
- internal_endent (&stream);
-
- __libc_lock_unlock (lock);
-
- return NSS_STATUS_SUCCESS;
-}
-
-
-typedef enum
-{
- gcr_ok = 0,
- gcr_error = -1,
- gcr_overflow = -2
-} get_contents_ret;
-
-/* Hack around the fact that fgets only accepts int sizes. */
-static get_contents_ret
-get_contents (char *linebuf, size_t len, FILE *stream)
-{
- size_t remaining_len = len;
- char *curbuf = linebuf;
-
- do
- {
- int curlen = ((remaining_len > (size_t) INT_MAX) ? INT_MAX
- : remaining_len);
-
- /* Terminate the line so that we can test for overflow. */
- ((unsigned char *) curbuf)[curlen - 1] = 0xff;
-
- char *p = fgets_unlocked (curbuf, curlen, stream);
-
- /* EOF or read error. */
- if (p == NULL)
- return gcr_error;
-
- /* Done reading in the line. */
- if (((unsigned char *) curbuf)[curlen - 1] == 0xff)
- return gcr_ok;
-
- /* Drop the terminating '\0'. */
- remaining_len -= curlen - 1;
- curbuf += curlen - 1;
- }
- /* fgets copies one less than the input length. Our last iteration is of
- REMAINING_LEN and once that is done, REMAINING_LEN is decremented by
- REMAINING_LEN - 1, leaving the result as 1. */
- while (remaining_len > 1);
-
- /* This means that the current buffer was not large enough. */
- return gcr_overflow;
-}
-
-/* Parsing the database file into `struct STRUCTURE' data structures. */
-static enum nss_status
-internal_getent (FILE *stream, struct STRUCTURE *result,
- char *buffer, size_t buflen, int *errnop H_ERRNO_PROTO
- EXTRA_ARGS_DECL)
-{
- char *p;
- struct parser_data *data = (void *) buffer;
- size_t linebuflen = buffer + buflen - data->linebuffer;
- int parse_result;
-
- if (buflen < sizeof *data + 2)
- {
- *errnop = ERANGE;
- H_ERRNO_SET (NETDB_INTERNAL);
- return NSS_STATUS_TRYAGAIN;
- }
-
- do
- {
- get_contents_ret r = get_contents (data->linebuffer, linebuflen, stream);
-
- if (r == gcr_error)
- {
- /* End of file or read error. */
- H_ERRNO_SET (HOST_NOT_FOUND);
- return NSS_STATUS_NOTFOUND;
- }
-
- if (r == gcr_overflow)
- {
- /* The line is too long. Give the user the opportunity to
- enlarge the buffer. */
- *errnop = ERANGE;
- H_ERRNO_SET (NETDB_INTERNAL);
- return NSS_STATUS_TRYAGAIN;
- }
-
- /* Everything OK. Now skip leading blanks. */
- p = data->linebuffer;
- while (isspace (*p))
- ++p;
- }
- while (*p == '\0' || *p == '#' /* Ignore empty and comment lines. */
- /* Parse the line. If it is invalid, loop to get the next
- line of the file to parse. */
- || ! (parse_result = parse_line (p, result, data, buflen, errnop
- EXTRA_ARGS)));
-
- if (__glibc_unlikely (parse_result == -1))
- {
- H_ERRNO_SET (NETDB_INTERNAL);
- return NSS_STATUS_TRYAGAIN;
- }
-
- /* Filled in RESULT with the next entry from the database file. */
- return NSS_STATUS_SUCCESS;
-}
-
-
-/* Return the next entry from the database file, doing locking. */
-enum nss_status
-CONCAT(_nss_files_get,ENTNAME_r) (struct STRUCTURE *result, char *buffer,
- size_t buflen, int *errnop H_ERRNO_PROTO)
-{
- /* Return next entry in host file. */
- enum nss_status status = NSS_STATUS_SUCCESS;
-
- __libc_lock_lock (lock);
-
- /* Be prepared that the set*ent function was not called before. */
- if (stream == NULL)
- {
- int save_errno = errno;
-
- status = internal_setent (&stream);
-
- __set_errno (save_errno);
- }
-
- if (status == NSS_STATUS_SUCCESS)
- status = internal_getent (stream, result, buffer, buflen, errnop
- H_ERRNO_ARG EXTRA_ARGS_VALUE);
-
- __libc_lock_unlock (lock);
-
- return status;
-}
-
-/* Macro for defining lookup functions for this file-based database.
-
- NAME is the name of the lookup; e.g. `hostbyname'.
-
- DB_CHAR, KEYPATTERN, KEYSIZE are ignored here but used by db-XXX.c
- e.g. `1 + sizeof (id) * 4'.
-
- PROTO is the potentially empty list of other parameters.
-
- BREAK_IF_MATCH is a block of code which compares `struct STRUCTURE *result'
- to the lookup key arguments and does `break;' if they match. */
-
-#define DB_LOOKUP(name, db_char, keysize, keypattern, break_if_match, proto...)\
-enum nss_status \
-_nss_files_get##name##_r (proto, \
- struct STRUCTURE *result, char *buffer, \
- size_t buflen, int *errnop H_ERRNO_PROTO) \
-{ \
- enum nss_status status; \
- FILE *stream = NULL; \
- \
- /* Open file. */ \
- status = internal_setent (&stream); \
- \
- if (status == NSS_STATUS_SUCCESS) \
- { \
- while ((status = internal_getent (stream, result, buffer, buflen, errnop \
- H_ERRNO_ARG EXTRA_ARGS_VALUE)) \
- == NSS_STATUS_SUCCESS) \
- { break_if_match } \
- \
- internal_endent (&stream); \
- } \
- \
- return status; \
-}
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