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/*
Authors:
Simo Sorce <ssorce@redhat.com>
Copyright (C) 2009 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __SSSD_UTIL_H__
#define __SSSD_UTIL_H__
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <libintl.h>
#include <limits.h>
#include <locale.h>
#include <time.h>
#include <pcre.h>
#include <sys/types.h>
#include "config.h"
#include <talloc.h>
#include <tevent.h>
#include <ldb.h>
#ifndef HAVE_ERRNO_T
#define HAVE_ERRNO_T
typedef int errno_t;
#endif
#define _(STRING) gettext (STRING)
extern const char *debug_prg_name;
extern int debug_level;
extern int debug_timestamps;
extern int debug_to_file;
extern const char *debug_log_file;
void debug_fn(const char *format, ...);
errno_t set_debug_file_from_fd(const int fd);
#define SSSD_DEBUG_OPTS \
{"debug-level", 'd', POPT_ARG_INT, &debug_level, 0, \
_("Debug level"), NULL}, \
{"debug-to-files", 'f', POPT_ARG_NONE, &debug_to_file, 0, \
_("Send the debug output to files instead of stderr"), NULL }, \
{"debug-timestamps", 0, POPT_ARG_INT, &debug_timestamps, 0, \
_("Add debug timestamps"), NULL},
/** \def DEBUG(level, body)
\brief macro to generate debug messages
\param level the debug level, please respect the following guidelines:
- 1 is for critical errors users may find it difficult to understand but
are still quite clear
- 2-4 is for stuff developers are interested in in general, but
shouldn't fill the screen with useless low level verbose stuff
- 5-6 is for errors you may want to track, but only if you explicitly
looking for additional clues
- 7-10 is for informational stuff
\param body the debug message you want to send, should end with \n
*/
#define DEBUG(level, body) do { \
if (level <= debug_level) { \
if (debug_timestamps) { \
time_t rightnow = time(NULL); \
char stamp[25]; \
memcpy(stamp, ctime(&rightnow), 24); \
stamp[24] = '\0'; \
debug_fn("(%s) [%s] [%s] (%d): ", \
stamp, debug_prg_name, __FUNCTION__, level); \
} else { \
debug_fn("[%s] [%s] (%d): ", \
debug_prg_name, __FUNCTION__, level); \
} \
debug_fn body; \
} \
} while(0);
#define PRINT(fmt, ...) fprintf(stdout, gettext(fmt), ##__VA_ARGS__)
#define ERROR(fmt, ...) fprintf(stderr, gettext(fmt), ##__VA_ARGS__)
#ifndef discard_const
#define discard_const(ptr) ((void *)((uintptr_t)(ptr)))
#endif
#ifndef NULL
#define NULL 0
#endif
#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
#define EOK 0
#define SSSD_MAIN_OPTS SSSD_DEBUG_OPTS
#define FLAGS_NONE 0x0000
#define FLAGS_DAEMON 0x0001
#define FLAGS_INTERACTIVE 0x0002
#define FLAGS_PID_FILE 0x0004
#ifndef talloc_zfree
#define talloc_zfree(ptr) do { talloc_free(ptr); ptr = NULL; } while(0)
#endif
#ifndef discard_const_p
#if defined(__intptr_t_defined) || defined(HAVE_INTPTR_T)
# define discard_const_p(type, ptr) ((type *)((intptr_t)(ptr)))
#else
# define discard_const_p(type, ptr) ((type *)(ptr))
#endif
#endif
/* TODO: remove later
* These functions are available in the latest tevent and are the ones that
* should be used as tevent_req is rightfully opaque there */
#ifndef tevent_req_data
#define tevent_req_data(req, type) ((type *)req->private_state)
#define tevent_req_set_callback(req, func, data) \
do { req->async.fn = func; req->async.private_data = data; } while(0)
#define tevent_req_callback_data(req, type) ((type *)req->async.private_data)
#define tevent_req_notify_callback(req) \
do { \
if (req->async.fn != NULL) { \
req->async.fn(req); \
} \
} while(0)
/* noop */
#define tevent_loop_allow_nesting(x)
#endif
#define TEVENT_REQ_RETURN_ON_ERROR(req) do { \
enum tevent_req_state TRROEstate; \
uint64_t TRROEerr; \
\
if (tevent_req_is_error(req, &TRROEstate, &TRROEerr)) { \
if (TRROEstate == TEVENT_REQ_USER_ERROR) { \
return TRROEerr; \
} \
return EIO; \
} \
} while (0)
#define OUT_OF_ID_RANGE(id, min, max) \
(id == 0 || (min && (id < min)) || (max && (id > max)))
#include "util/dlinklist.h"
/* From debug.c */
void ldb_debug_messages(void *context, enum ldb_debug_level level,
const char *fmt, va_list ap);
int open_debug_file_ex(const char *filename, FILE **filep);
int open_debug_file(void);
/* from server.c */
struct main_context {
struct tevent_context *event_ctx;
struct confdb_ctx *confdb_ctx;
};
int die_if_parent_died(void);
int server_setup(const char *name, int flags,
const char *conf_entry,
struct main_context **main_ctx);
void server_loop(struct main_context *main_ctx);
/* from signal.c */
#include <signal.h>
void BlockSignals(bool block, int signum);
void (*CatchSignal(int signum,void (*handler)(int )))(int);
void CatchChild(void);
void CatchChildLeaveStatus(void);
/* from memory.c */
typedef int (void_destructor_fn_t)(void *);
struct mem_holder {
void *mem;
void_destructor_fn_t *fn;
};
void *sss_mem_attach(TALLOC_CTX *mem_ctx,
void *ptr,
void_destructor_fn_t *fn);
int password_destructor(void *memctx);
/* from usertools.c */
char *get_username_from_uid(TALLOC_CTX *mem_ctx, uid_t uid);
struct sss_names_ctx {
char *re_pattern;
char *fq_fmt;
pcre *re;
};
int sss_names_init(TALLOC_CTX *mem_ctx,
struct confdb_ctx *cdb,
struct sss_names_ctx **out);
int sss_parse_name(TALLOC_CTX *memctx,
struct sss_names_ctx *snctx,
const char *orig, char **domain, char **name);
/* from backup-file.c */
int backup_file(const char *src, int dbglvl);
/* from check_and_open.c */
errno_t check_and_open_readonly(const char *filename, int *fd, const uid_t uid,
const gid_t gid, const mode_t mode);
/* from util.c */
int split_on_separator(TALLOC_CTX *mem_ctx, const char *str,
const char sep, bool trim, char ***_list, int *size);
#endif /* __SSSD_UTIL_H__ */
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