/* * ProFTPD - FTP server daemon * Copyright (c) 1997, 1998 Public Flood Software * Copyright (c) 1999, 2000 MacGyver aka Habeeb J. Dihu <macgyver@tos.net> * Copyright (c) 2001-2020 The ProFTPD Project team * * 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 2 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, write to the Free Software * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA. * * As a special exemption, Public Flood Software/MacGyver aka Habeeb J. Dihu * and other respective copyright holders give permission to link this program * with OpenSSL, and distribute the resulting executable, without including * the source code for OpenSSL in the source distribution. */ /* Non-specific support functions. */ #ifndef PR_SUPPORT_H #define PR_SUPPORT_H #include <sys/time.h> #include <time.h> #if defined(NAME_MAX) # define NAME_MAX_GUESS (NAME_MAX) #elif defined(MAXNAMELEN) # define NAME_MAX_GUESS (MAXNAMELEN - 1) #else # define NAME_MAX_GUESS (255) #endif /* Functions [optionally] provided by libsupp.a */ #ifndef HAVE_GETOPT int getopt(int, char * const [], const char *); extern char *optarg; extern int optind,opterr,optopt; #ifndef HAVE_GETOPT_LONG struct option { const char *name; int has_arg; int *flag; int val; }; int getopt_long(int, char * const [], const char *, const struct option *, int *); # endif /* !HAVE_GETOPT_LONG */ #endif /* !HAVE_GETOPT */ char *dir_interpolate(pool *, const char *); char *dir_abs_path(pool *, const char *, int); /* Performs chroot-aware handling of symlinks. */ int dir_readlink(pool *, const char *, char *, size_t, int); #define PR_DIR_READLINK_FL_HANDLE_REL_PATH 0x0001 char *dir_realpath(pool *, const char *); char *dir_canonical_path(pool *, const char *); char *dir_canonical_vpath(pool *, const char *); char *dir_best_path(pool *, const char *); /* Schedulables. */ void schedule(void (*f)(void *, void *, void *, void *), int, void *, void *, void *, void *); void run_schedule(void); void restart_daemon(void *, void *, void *, void *); void shutdown_end_session(void *, void *, void *, void *); long get_name_max(char *path, int fd); mode_t file_mode(const char *); mode_t file_mode2(pool *, const char *); mode_t symlink_mode(const char *); mode_t symlink_mode2(pool *, const char *); int file_exists(const char *); int file_exists2(pool *, const char *); int dir_exists(const char *); int dir_exists2(pool *, const char *); int exists(const char *); int exists2(pool *, const char *); char *safe_token(char **); int check_shutmsg(pool *, const char *, time_t *, time_t *, time_t *, char *, size_t); void pr_memscrub(void *, size_t); void pr_getopt_reset(void); struct tm *pr_gmtime(pool *, const time_t *); struct tm *pr_localtime(pool *, const time_t *); const char *pr_strtime(time_t); const char *pr_strtime2(time_t, int); /* Preferred version. Allocates the returned string out of the given pool. */ const char *pr_strtime3(pool *, time_t, int); int pr_gettimeofday_millis(uint64_t *); int pr_timeval2millis(struct timeval *, uint64_t *); /* Wrappers around snprintf(3)/vsnprintf(3) which carefully check the * return values. */ int pr_snprintf(char *buf, size_t bufsz, const char *fmt, ...) #ifdef __GNUC__ __attribute__ ((format (printf, 3, 4))); #else ; #endif /* Just like pr_snprintf(), except that the caller can provide their * source code location. */ int pr_snprintfl(const char *file, int lineno, char *buf, size_t bufsz, const char *fmt, ...) #ifdef __GNUC__ __attribute__ ((format (printf, 5, 6))); #else ; #endif int pr_vsnprintf(char *buf, size_t bufsz, const char *fmt, va_list msg); int pr_vsnprintfl(const char *file, int lineno, char *buf, size_t bufsz, const char *fmt, va_list msg); /* Resolve/substitute any "%u" variables in the path. Returns the resolved * path, or NULL if there was an error. */ const char *path_subst_uservar(pool *p, const char **path); #endif /* PR_SUPPORT_H */ SIMPAN PERUBAHAN