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/* Copyright (C) 1999 Beau Kuiper
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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Includes */
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <stdarg.h>
#ifndef INT_MAX
#define INT_MAX 0x7FFFFFFF
#endif
/* Inportant Constants */
/* yep, true and false */
#define FALSE 0
#define TRUE !FALSE
/* constants declaring various log levels. */
#define MYLOG_DACCESS 1 /* denied access to server because of ip */
#define MYLOG_FTRANS 2 /* file transfer */
#define MYLOG_COMMAND 4 /* command from client */
#define MYLOG_RESPONSE 8 /* respone to client commands */
#define MYLOG_INFO 16 /* informational logs */
#define MYLOG_LOGIN 32 /* login information */
#define MYLOG_DEBUG 64 /* debug log */
/* set err to this to tell the server the result of getting an auth handle */
#define AUTH_OK 0 /* got handle, everything good */
#define AUTH_USERNKNOW 1 /* This module is not responsible for
current user, move to next module */
#define AUTH_ERROR 2 /* A bad error occured, stop attempting
to authenticate user */
/* a couple of macros to help :-) */
#define MAXIMUM(x, y) (x) > (y) ? (x) : (y)
#define MINIMUM(x, y) (x) > (y) ? (y) : (x)
/* Typedefs */
/* NEWFILE is a structure used with muddleftpd special text file handling
routines. Don't directly modify its structure */
typedef struct
{
int fd;
void *buffer;
int eof;
} NEWFILE;
/* here as some prototypes for functions you can use */
/* MEMORY FUNCTIONS */
/* Just like malloc, but it checks for out of memory */
extern void *mallocwrapper(int size);
/* Almost same a realloc, execpt supply double pointer of memory area(inarea)
* and the new size */
void reallocwrapper(int size, void **inarea);
/* Same as strdup, but checks for out of memory result */
char *strdupwrapper(char *s);
/* to free areas created by strdupwrapper and mallocwrapper, It also updates
* counters used to determine memory leakage, so you should use this instead
* of plain free() */
void freewrapper(void *tofree);
/* just memmove because muddleftpd will supply a replacement if the system
* doesn't supply one */
#ifndef HAVE_MEMMOVE
char *memmove(void *dest, void *src, int n);
#endif
/* STRING FUNCTIONS */
/* This drops all characaters with a code < 32 in the string suppled. This is
* done in place */
void strtrimspace(char *string);
/* This counts to number of occurences of char tok in the supplied string */
int strchrcount(char *string, char tok);
/* this is vsprintf except the result is given as a string allocated using
* mallocwrapper. Use freewrapper to reclaim the space it uses */
char *safe_vsnprintf(char *format, va_list ap);
/* this is the same as sprintf execpt the result is given as a string allocated
* in dynamic memory using mallocwrapper. Use freewrapper to free it */
char *safe_snprintf(char *format, ...);
/* gets suplementary gids of user */
gid_t *getusergrouplist(char *username);
/* these are for really bad errors. Don't use either errormsg or errormsgfatal.
* Use the ERRORMSG and ERRORMSGFATAL macros instead. BTW, ONLY USE THESE
* FOR ERRORS THAT CANNOT BE SOLVED ANYWAY ELSE */
void errormsg( char *errmessage, char *file, int line );
void errormsgfatal( char *errmessage, char *file, int line );
#define ERRORMSGFATAL(x) errormsgfatal(x, __FILE__, __LINE__)
#define ERRORMSG(x) errormsg(x, __FILE__, __LINE__)
/* LOG OPERATIONS */
/* Adds a log entry to muddleftpd's logs. type is one of the constants
* specified above. peer is the same peer pointer passed to the gethandle
* function. desc is the string to add to the log */
extern void log_addentry(int type, void *peer, char *desc);
/* Exactly the same a log_addentry, but muddleftpd will use freewrapper
* on desc so you can use safe_snprintf for desc */
extern void log_giveentry(int type, void *peer, char *desc);
/* the debug log */
extern void debuglog(char *format, ...);
/* CONFIF FILE OPERATIONS */
char *strsplit(char *, char *, char *);
void substitute(char **inputstr, char *strin, char *strout);
int loadconfigfile(char *filename, int (* confighandler)(char *, char *, int, void *), void *configdata);
void *loadconfigcache(char *filename);
char *mktokconfstr(void *tset, int section, char *setting, char *defaul);
void loadintfromconfig(void *cache, int section, char *setting, int *to, int def);
void loadstrfromconfig(void *cache, int section, char *setting, char **to, char *def);
void freeconfigcache(void *cache);
char **makeconfiglist(void *cache, char *section, char *label);
extern NEWFILE *nfopen(char *filename);
extern NEWFILE *nfdopen(int fd);
extern char *nfgetcs(NEWFILE *file, char testchar);
extern void nfclose(NEWFILE *file);
extern int chkpassword(char *, char *);
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