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bforce/source/include/util.h

259 lines
8.2 KiB
C

20 years ago
/*
* binkleyforce -- unix FTN mailer project
*
* Copyright (c) 1998-2000 Alexander Belkin, 2:5020/1398.11
*
* 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.
*
* $Id$
*/
#ifndef _UTIL_H_
#define _UTIL_H_
#define DEFAULT_ZONE 2
#define DEFAULT_NET 5020
#define DEFAULT_NODE 0
#define TIMEVEC_MAX_ELEMENTS 10
enum { ADDR_EQ, ADDR_GT, ADDR_LT };
enum {
PLOCK_OK,
PLOCK_EXIST,
PLOCK_ERROR,
PLOCK_OURLOCK
};
enum day
{
DAY_MONDAY,
DAY_TUESDAY,
DAY_WEDNESDAY,
DAY_THURSDAY,
DAY_FRIDAY,
DAY_SATURDAY,
DAY_SUNDAY,
DAY_ANY,
DAY_WORKDAY,
DAY_WEEKEND,
DAY_UNDEF
};
typedef struct faddr {
bool inetform; /* Is address in domain form? */
int zone; /* -1 value means any?! */
int net;
int node;
int point;
char domain[BF_MAXDOMAIN+1];
} s_faddr;
typedef struct timeint {
enum day day_beg;
enum day day_end;
long beg;
long end;
} s_timeint;
typedef struct timevec {
int num;
s_timeint tvec[TIMEVEC_MAX_ELEMENTS];
} s_timevec;
typedef struct message {
int attr;
int cost;
time_t time;
s_faddr orig;
s_faddr dest;
char namefrom[36];
char nameto[36];
char subject[72];
char *text;
char *tagline;
char *tearline;
char *origin;
} s_message;
typedef struct packet {
s_faddr orig;
s_faddr dest;
int baud;
char password[8+1];
s_message *msgs;
int n_msgs;
} s_packet;
enum
{
FILELOCK_CLEAR,
FILELOCK_READ,
FILELOCK_WRITE
};
#define RECODE_MAX_CHAR 255
typedef struct recode_table {
const char *filename;
char table[RECODE_MAX_CHAR+1];
} s_recode_table;
#undef MAX
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#undef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#undef ABS
#define ABS(a) (((a) < 0) ? -(a) : (a))
#define SET_LAT_A_Z "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
#define SET_LAT_a_z "abcdefghijklmnopqrstuvwxyz"
#define SET_DEC "0123456789"
#define SET_HEX "0123456789ABCDEFabcdef"
#define SET_OCT "01234567"
#define CRC16TEST(crc) ((crc) == 0xf0b8)
#define CRC32TEST(crc) ((crc) == 0xdebb20e3L)
#define updcrc16(cp, crc) (TableCRC16Xmodem[(((int)(crc) >> 8) & 0xff)] ^ ((crc) << 8) ^ (cp))
#define updcrc32(cp, crc) (TableCRC32CCITT[((int)(crc) ^ cp) & 0xff] ^ (((crc) >> 8) & 0x00FFFFFF))
#define localtogmt(t) ((t) - time_gmtoffset()*60)
#define gmttolocal(t) ((t) + time_gmtoffset()*60)
#define timer_set(ptr, v) (time_settimer(ptr, v))
#define timer_expired(tm) (time(NULL) > (tm))
#define timer_running(tm) ((tm) > 0)
#define timer_timeleft(tm) (time_timeleft(tm))
#define recode_file_out(str) recode(str, &recode_table_out, conf_string(cf_recode_file_out));
#define recode_file_in(str) recode(str, &recode_table_in, conf_string(cf_recode_file_in));
#define recode_intro_in(str) recode(str, &recode_table_in, conf_string(cf_recode_intro_in));
extern s_recode_table recode_table_in;
extern s_recode_table recode_table_out;
extern unsigned long TableCRC32CCITT[];
extern unsigned short TableCRC16Xmodem[];
extern unsigned short TableCRC16CCITT[];
/* u_crc.c */
unsigned long getcrc32ccitt(const unsigned char *buffer, size_t buflen);
unsigned short getcrc16xmodem(const unsigned char *buffer, size_t buflen);
unsigned short getcrc16ccitt(const unsigned char *buffer, size_t buflen);
/* u_file.c */
int file_lock(FILE *fp, bool exclusive);
void file_unlock(FILE *fp);
int file_lock_wait(FILE *fp, bool exclusive);
bool file_name_issafe(int ch);
char *file_name_makesafe(char *filename);
char *file_getname(char *filename);
char *file_gettmp(void);
char *file_get_dos_name(char *buffer, const char *filename);
bool is_directory(const char *dirname);
bool is_regfile(const char *filename);
int directory_create(const char *dirname, mode_t access_mode);
FILE *file_open(const char *path, const char *mode);
int file_close(FILE *stream);
/* u_ftn.c */
int ftn_addrparse(s_faddr *addr, const char *s, bool wildcard);
char *ftn_addrstr_fido(char *buf, s_faddr addr);
char *ftn_addrstr_inet(char *buf, s_faddr addr);
char *ftn_addrstr(char *buf, s_faddr addr);
int ftn_addrcomp(s_faddr addr1, s_faddr addr2);
int ftn_addrcomp_logic(s_faddr addr1, int operator, s_faddr addr2);
int ftn_addrcomp_mask(s_faddr addr, s_faddr mask);
int ftn_addrsmetric(s_faddr addr1, s_faddr addr2);
/* u_md5.c */
void md5_get(const unsigned char *data, size_t length, unsigned char *digest);
void md5_cram_get(const unsigned char *secret, const unsigned char *challenge,
int challenge_length, unsigned char *digest);
/* u_misc.c */
void *xmalloc(size_t size);
void *xrealloc(void *buf, size_t size);
void *xmemcpy(const void *buffer, size_t buflen);
char *strparse(char *str, char **next, int quoted);
int strcasemask(const char *str, const char *mask);
int checkmasks(const char *masks, const char *str);
char *buffer_putlong(char *buffer, long val);
char *buffer_putint(char *buf, int val);
long buffer_getlong(const char *buf);
int buffer_getint(const char *buf);
void printf_usage(const char *ident, const char *fmt, ...);
/* u_pkt.c */
int pkt_createpacket(const char *pktname, const s_packet *pkt);
/* u_plock.c */
int plock_check(const char *lockname);
int plock_create(const char *lockname);
int plock_remove(const char *lockname);
int plock_link(const char *lockname, const char *tmpname);
/* u_recode.c */
char *recode(char *src, s_recode_table *tab, const char *filename);
/* u_string.c */
char *xstrcpy(const char *src);
char *xstrcat(char *src, const char *add);
char *strnxcpy(char *dst, const char *src, size_t len);
char *strnxcat(char *dst, const char *src, size_t len);
char *string_token(char *str, char **next, const char *delim, int quoted);
char *string_chomp(char *str);
const char *string_casestr(const char *string, const char *substr);
const char *string_casechr(const char *str, int ch);
char *string_toupper(char *str);
char *string_tolower(char *str);
bool string_isupper(const char *str);
bool string_islower(const char *str);
char *string_trimright(char *str);
char *string_trimleft(char *str);
char *string_trimboth(char *str);
char *string_printable_buffer(const char *buffer, size_t buflen);
const char *string_printable(const char *str);
char *string_replchar(char *str, char oldchar, char newchar);
int string_parse(char **dest, int items, char *str, int separator);
int string_parse_regular(char **dest, int items, char *str);
char *string_translate(const char *str, const char *find, const char *repl);
char *string_humansize(char *buffer, size_t size);
int string_get_escape(char **pptr);
int string_dequote(char *dst, char *src);
char *string_concat(const char *str, ...);
void string_bin_to_hex(char *string, const char *binptr, int binlen);
int string_hex_to_bin(char *binptr, const char *string);
bool string_is_empty(const char *string);
/* u_time.c */
int time_settimer(time_t *timer, int value);
int time_timerout(time_t timer);
int time_timeleft(time_t timer);
int time_elapsed(time_t since_time);
char *time_string_format(char *buffer, size_t buflen, const char *fmt, time_t t);
char *time_string_long(char *buffer, size_t buflen, time_t t);
char *time_string_log(char *buffer, size_t buflen, time_t t);
char *time_string_msghdr(char *buffer, time_t t);
long time_gmtoffset(void);
char *time_string_gmtoffset(char *buffer);
char *time_string_timer(char *buffer, int timer);
char *time_string_approx_interval(char *buffer, int seconds);
int time_check(const char *str, struct tm *now);
int time_checkintervals(const char *timestr, struct tm *now);
int timevec_add(s_timevec *dest, int day_beg, int day_end, long beg, long end);
int timevec_parse(s_timevec *dest, const char *str);
int timevec_parse_list(s_timevec *dest, const char *str);
int timevec_check(const s_timevec *tv, const struct tm *now);
char *timevec_string(char *buffer, const s_timevec *tv, size_t buflen);
bool timevec_isdefined(const s_timevec *tv);
bool timevec_isnow(const s_timevec *tv, const struct tm *now);
#endif /* _UTIL_H_ */