[irc/evilnet/x3.git] / src / common.h

/* common.h - Common functions/includes
 * Copyright 2000-2004 srvx Development Team
 *
 * This file is part of x3.
 *
 * srvx 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 srvx; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */

#ifndef COMMON_H
#define COMMON_H

#include "compat.h"
#include "proto.h"

#if !defined(HAVE_LOCALTIME_R) && !defined(__CYGWIN__)
extern struct tm *localtime_r(const time_t *clock, struct tm *res);
#elif defined(__CYGWIN__)
# define localtime_r(clock, res) memcpy(res, localtime(clock), sizeof(struct tm));
#endif

#ifndef true
#define true 1
#endif

#ifndef false
#define false 0
#endif

#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffffL
#endif
#ifndef INADDR_LOOPBACK
#define INADDR_LOOPBACK 0x7f000001L
#endif

#define ArrayLength(x)		(sizeof(x)/sizeof(x[0]))
#define safestrncpy(dest, src, len) do { char *d = (dest); const char *s = (src); size_t l = strlen(s)+1;  if ((len) < l) l = (len); memmove(d, s, l); d[l-1] = 0; } while (0)

#ifdef __GNUC__
#define PRINTF_LIKE(M,N) __attribute__((format (printf, M, N)))
#else
#define PRINTF_LIKE(M,N)
#endif

#if __GNUC__ >= 2
#define UNUSED_ARG(ARG) ARG __attribute__((unused))
#elif defined(S_SPLINT_S)
#define UNUSED_ARG(ARG) /*@unused@*/ ARG
#define const /*@observer@*/ /*@temp@*/
#else
#define UNUSED_ARG(ARG) ARG
#endif

#if defined(WITH_MALLOC_DMALLOC)
# define DMALLOC_FUNC_CHECK 1
# include <string.h>
# include <dmalloc.h>
#elif defined(WITH_MALLOC_MPATROL)
# include <string.h>
# include <mpatrol.h>
#elif defined(WITH_MALLOC_BOEHM_GC)
# if !defined(NDEBUG)
#  define GC_DEBUG 1
# endif
# include <stdlib.h>
# include <string.h>
# include <gc/gc.h>
# define malloc(n) GC_MALLOC(n)
# define calloc(m,n) GC_MALLOC((m)*(n))
# define realloc(p,n) GC_REALLOC((p),(n))
# define free(p) GC_FREE(p)
# undef  HAVE_STRDUP
# undef strdup
#elif defined(WITH_MALLOC_X3)
# undef malloc
# define malloc(n) x3_malloc(__FILE__, __LINE__, (n))
# undef calloc
# define calloc(m,n) x3_malloc(__FILE__, __LINE__, (m)*(n))
# undef realloc
# define realloc(p,n) x3_realloc(__FILE__, __LINE__, (p), (n))
# undef free
# define free(p) x3_free(__FILE__, __LINE__, (p))
# undef strdup
# define strdup(s) x3_strdup(__FILE__, __LINE__, (s))
extern void *x3_malloc(const char *, unsigned int, size_t);
extern void *x3_realloc(const char *, unsigned int, void *, size_t);
extern char *x3_strdup(const char *, unsigned int, const char *);
extern void x3_free(const char *, unsigned int, void *);
# if !defined(NDEBUG)
extern void verify(const void *ptr);
#  define verify(x) verify(x)
# endif
#elif defined(WITH_MALLOC_SLAB)
# define malloc(n) slab_malloc(__FILE__, __LINE__, (n))
# undef calloc
# define calloc(m,n) slab_malloc(__FILE__, __LINE__, (m)*(n))
# undef realloc
# define realloc(p,n) slab_realloc(__FILE__, __LINE__, (p), (n))
# undef free
# define free(p) slab_free(__FILE__, __LINE__, (p))
# undef strdup
# define strdup(s) slab_strdup(__FILE__, __LINE__, (s))
extern void *slab_malloc(const char *, unsigned int, size_t);
extern void *slab_realloc(const char *, unsigned int, void *, size_t);
extern char *slab_strdup(const char *, unsigned int, const char *);
extern void slab_free(const char *, unsigned int, void *);
# if !defined(NDEBUG)
extern void verify(const void *ptr);
#  define verify(x) verify(x)
# endif
#endif

#ifndef verify
# define verify(ptr) (void)(ptr)
#endif

extern time_t now;
extern int quit_services;
extern struct log_type *MAIN_LOG;

int create_socket_client(struct uplinkNode *target);
void close_socket(void);

typedef void (*exit_func_t)(void);
void reg_exit_func(exit_func_t handler);
void call_exit_funcs(void);

char *mysep(char **sepstr, char *delim);
const char *inttobase64(char *buf, unsigned int v, unsigned int count);
unsigned long base64toint(const char *s, int count);
int split_line(char *line, int irc_colon, int argv_size, char *argv[]);

/* match_ircglobs(oldglob, newglob) returns non-zero if oldglob is a superset of newglob */
#define match_ircglobs !mmatch
int mmatch(const char *glob, const char *newglob);
int match_ircglob(const char *text, const char *glob);
int user_matches_glob(struct userNode *user, const char *glob, int include_nick);
int is_overmask(char *mask);


int is_ircmask(const char *text);
int is_gline(const char *text);
int is_shun(const char *text);

char *sanitize_ircmask(char *text);

unsigned long ParseInterval(const char *interval);
unsigned long ParseVolume(const char *volume);
int parse_ipmask(const char *str, struct in_addr *addr, unsigned long *mask);
#define MATCH_IPMASK(test, addr, mask) (((ntohl(test.s_addr) & mask) ^ (ntohl(addr.s_addr) & mask)) == 0)

#define MD5_CRYPT_LENGTH 42
/* buffer[] must be at least MD5_CRYPT_LENGTH bytes long */
const char *cryptpass(const char *pass, char buffer[]);
int checkpass(const char *pass, const char *crypt);

int split_ircmask(char *text, char **nick, char **ident, char **host);
char *unsplit_string(char *set[], unsigned int max, char *dest);
extern char* x3_strtok(char** save, char* str, char* fs);

int valid_email(const char *email);

#define DECLARE_LIST(STRUCTNAME,ITEMTYPE) struct STRUCTNAME {\
  unsigned int used, size;\
  ITEMTYPE *list;\
};\
void STRUCTNAME##_init(struct STRUCTNAME *list);\
void STRUCTNAME##_append(struct STRUCTNAME *list, ITEMTYPE new_item);\
int STRUCTNAME##_remove(struct STRUCTNAME *list, ITEMTYPE new_item);\
void STRUCTNAME##_clean(struct STRUCTNAME *list)

#define DEFINE_LIST(STRUCTNAME,ITEMTYPE) \
void STRUCTNAME##_init(struct STRUCTNAME *list) {\
  list->used = 0;\
  list->size = 8;\
  list->list = malloc(list->size*sizeof(list->list[0]));\
}\
void STRUCTNAME##_append(struct STRUCTNAME *list, ITEMTYPE new_item) {\
  verify(list->list);\
  if (list->used == list->size) {\
    list->size = list->size ? (list->size << 1) : 4;\
    list->list = realloc(list->list, list->size*sizeof(list->list[0]));\
  }\
  list->list[list->used++] = new_item;\
}\
int STRUCTNAME##_remove(struct STRUCTNAME *list, ITEMTYPE new_item) {\
    unsigned int n, found;\
    verify(list->list);\
    for (found=n=0; n<list->used; n++) {\
	if (list->list[n] == new_item) {\
	    memmove(list->list+n, list->list+n+1, (list->used-n-1)*sizeof(list->list[n]));\
	    found = 1;\
	    list->used--;\
	}\
    }\
    return found;\
}\
void STRUCTNAME##_clean(struct STRUCTNAME *list) {\
  list->used = list->size = 0;\
  free(list->list);\
  list->list = NULL;\
}

/* The longest string that is likely to be produced in English is "10
 * minutes, and 10 seconds" (27 characters).  Other languages will
 * vary, so there's plenty of leeway.
 */
#define INTERVALLEN	50

struct handle_info;
char *intervalString(char *output, time_t interval, struct handle_info *hi);
int getipbyname(const char *name, unsigned long *ip);
int set_policer_param(const char *param, void *data, void *extra);
const char *strtab(unsigned int ii);
char *time2str(time_t thetime);

void tools_init(void);
void tools_cleanup(void);

int irccasecmp(const char *stra, const char *strb);
int ircncasecmp(const char *stra, const char *strb, unsigned int len);
const char *irccasestr(const char *haystack, const char *needle);

DECLARE_LIST(string_buffer, char);
void string_buffer_append_string(struct string_buffer *buf, const char *tail);
void string_buffer_append_substring(struct string_buffer *buf, const char *tail, unsigned int len);
void string_buffer_append_vprintf(struct string_buffer *buf, const char *fmt, va_list args);
void string_buffer_append_printf(struct string_buffer *buf, const char *fmt, ...);
void string_buffer_replace(struct string_buffer *buf, unsigned int from, unsigned int len, const char *repl);

#define enabled_string(string)  (!irccasecmp((string), "on") || !strcmp((string), "1") || !irccasecmp((string), "enabled"))
#define disabled_string(string) (!irccasecmp((string), "off") || !strcmp((string), "0") || !irccasecmp((string), "disabled"))
#define true_string(string)     (!irccasecmp((string), "true") || !strcmp((string), "1") || !irccasecmp((string), "yes"))
#define false_string(string)    (!irccasecmp((string), "false") || !strcmp((string), "0") || !irccasecmp((string), "no"))

#endif /* ifdef COMMON_H */
Commit	Line	Data
d76ed9a9	1	/* common.h - Common functions/includes
	2	* Copyright 2000-2004 srvx Development Team
	3	*
83ff05c3	4	* This file is part of x3.
d76ed9a9	5	*
	6	* srvx is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with srvx; if not, write to the Free Software Foundation,
	18	* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
	19	*/
	20
	21	#ifndef COMMON_H
	22	#define COMMON_H
	23
	24	#include "compat.h"
	25	#include "proto.h"
	26
	27	#if !defined(HAVE_LOCALTIME_R) && !defined(__CYGWIN__)
	28	extern struct tm localtime_r(const time_t clock, struct tm *res);
	29	#elif defined(__CYGWIN__)
	30	# define localtime_r(clock, res) memcpy(res, localtime(clock), sizeof(struct tm));
	31	#endif
	32
	33	#ifndef true
	34	#define true 1
	35	#endif
	36
	37	#ifndef false
	38	#define false 0
	39	#endif
	40
	41	#ifndef INADDR_NONE
	42	#define INADDR_NONE 0xffffffffL
	43	#endif
	44	#ifndef INADDR_LOOPBACK
	45	#define INADDR_LOOPBACK 0x7f000001L
	46	#endif
	47
	48	#define ArrayLength(x) (sizeof(x)/sizeof(x[0]))
	49	#define safestrncpy(dest, src, len) do { char d = (dest); const char s = (src); size_t l = strlen(s)+1; if ((len) < l) l = (len); memmove(d, s, l); d[l-1] = 0; } while (0)
	50
	51	#ifdef __GNUC__
	52	#define PRINTF_LIKE(M,N) __attribute__((format (printf, M, N)))
	53	#else
	54	#define PRINTF_LIKE(M,N)
	55	#endif
	56
	57	#if __GNUC__ >= 2
	58	#define UNUSED_ARG(ARG) ARG __attribute__((unused))
	59	#elif defined(S_SPLINT_S)
	60	#define UNUSED_ARG(ARG) /@unused@/ ARG
	61	#define const /@observer@/ /@temp@/
	62	#else
	63	#define UNUSED_ARG(ARG) ARG
	64	#endif
	65
	66	#if defined(WITH_MALLOC_DMALLOC)
ec1a68c8	67	# define DMALLOC_FUNC_CHECK 1
	68	# include <string.h>
	69	# include <dmalloc.h>
d76ed9a9	70	#elif defined(WITH_MALLOC_MPATROL)
ec1a68c8	71	# include <string.h>
ec1a68c8	72	# include <mpatrol.h>
d76ed9a9	73	#elif defined(WITH_MALLOC_BOEHM_GC)
ec1a68c8	74	# if !defined(NDEBUG)
	75	# define GC_DEBUG 1
	76	# endif
	77	# include <stdlib.h>
	78	# include <string.h>
	79	# include <gc/gc.h>
	80	# define malloc(n) GC_MALLOC(n)
	81	# define calloc(m,n) GC_MALLOC((m)*(n))
	82	# define realloc(p,n) GC_REALLOC((p),(n))
	83	# define free(p) GC_FREE(p)
	84	# undef HAVE_STRDUP
	85	# undef strdup
921592dd	86	#elif defined(WITH_MALLOC_X3)
ec1a68c8	87	# undef malloc
921592dd	88	# define malloc(n) x3_malloc(__FILE__, __LINE__, (n))
ec1a68c8	89	# undef calloc
921592dd	90	# define calloc(m,n) x3_malloc(__FILE__, __LINE__, (m)*(n))
ec1a68c8	91	# undef realloc
921592dd	92	# define realloc(p,n) x3_realloc(__FILE__, __LINE__, (p), (n))
ec1a68c8	93	# undef free
921592dd	94	# define free(p) x3_free(__FILE__, __LINE__, (p))
ec1a68c8	95	# undef strdup
921592dd	96	# define strdup(s) x3_strdup(__FILE__, __LINE__, (s))
	97	extern void x3_malloc(const char , unsigned int, size_t);
	98	extern void x3_realloc(const char , unsigned int, void *, size_t);
	99	extern char x3_strdup(const char , unsigned int, const char *);
	100	extern void x3_free(const char , unsigned int, void );
ec1a68c8	101	# if !defined(NDEBUG)
	102	extern void verify(const void *ptr);
	103	# define verify(x) verify(x)
	104	# endif
0d16e639	105	#elif defined(WITH_MALLOC_SLAB)
	106	# define malloc(n) slab_malloc(__FILE__, __LINE__, (n))
	107	# undef calloc
	108	# define calloc(m,n) slab_malloc(__FILE__, __LINE__, (m)*(n))
	109	# undef realloc
	110	# define realloc(p,n) slab_realloc(__FILE__, __LINE__, (p), (n))
	111	# undef free
	112	# define free(p) slab_free(__FILE__, __LINE__, (p))
	113	# undef strdup
	114	# define strdup(s) slab_strdup(__FILE__, __LINE__, (s))
	115	extern void slab_malloc(const char , unsigned int, size_t);
	116	extern void slab_realloc(const char , unsigned int, void *, size_t);
	117	extern char slab_strdup(const char , unsigned int, const char *);
	118	extern void slab_free(const char , unsigned int, void );
	119	# if !defined(NDEBUG)
	120	extern void verify(const void *ptr);
	121	# define verify(x) verify(x)
	122	# endif
d76ed9a9	123	#endif
ec1a68c8	124
	125	#ifndef verify
	126	# define verify(ptr) (void)(ptr)
d76ed9a9	127	#endif
	128
	129	extern time_t now;
	130	extern int quit_services;
	131	extern struct log_type *MAIN_LOG;
	132
	133	int create_socket_client(struct uplinkNode *target);
	134	void close_socket(void);
	135
	136	typedef void (*exit_func_t)(void);
	137	void reg_exit_func(exit_func_t handler);
	138	void call_exit_funcs(void);
	139
2aef5f4b	140	char mysep(char sepstr, char delim);
d76ed9a9	141	const char inttobase64(char buf, unsigned int v, unsigned int count);
	142	unsigned long base64toint(const char *s, int count);
	143	int split_line(char line, int irc_colon, int argv_size, char argv[]);
	144
	145	/* match_ircglobs(oldglob, newglob) returns non-zero if oldglob is a superset of newglob */
	146	#define match_ircglobs !mmatch
	147	int mmatch(const char glob, const char newglob);
	148	int match_ircglob(const char text, const char glob);
	149	int user_matches_glob(struct userNode user, const char glob, int include_nick);
d1a65675	150	int is_overmask(char *mask);
d1a65675	151
d76ed9a9	152
	153	int is_ircmask(const char *text);
	154	int is_gline(const char *text);
d914d1cb	155	int is_shun(const char *text);
d76ed9a9	156
	157	char sanitize_ircmask(char text);
	158
	159	unsigned long ParseInterval(const char *interval);
	160	unsigned long ParseVolume(const char *volume);
	161	int parse_ipmask(const char str, struct in_addr addr, unsigned long *mask);
	162	#define MATCH_IPMASK(test, addr, mask) (((ntohl(test.s_addr) & mask) ^ (ntohl(addr.s_addr) & mask)) == 0)
	163
	164	#define MD5_CRYPT_LENGTH 42
	165	/* buffer[] must be at least MD5_CRYPT_LENGTH bytes long */
	166	const char cryptpass(const char pass, char buffer[]);
	167	int checkpass(const char pass, const char crypt);
	168
	169	int split_ircmask(char text, char nick, char ident, char *host);
	170	char unsplit_string(char set[], unsigned int max, char *dest);
63665495	171	extern char* x3_strtok(char** save, char* str, char* fs);
d76ed9a9	172
4c26ef3e	173	int valid_email(const char *email);
4c26ef3e	174
d76ed9a9	175	#define DECLARE_LIST(STRUCTNAME,ITEMTYPE) struct STRUCTNAME {\
	176	unsigned int used, size;\
	177	ITEMTYPE *list;\
	178	};\
	179	void STRUCTNAME##_init(struct STRUCTNAME *list);\
	180	void STRUCTNAME##_append(struct STRUCTNAME *list, ITEMTYPE new_item);\
	181	int STRUCTNAME##_remove(struct STRUCTNAME *list, ITEMTYPE new_item);\
	182	void STRUCTNAME##_clean(struct STRUCTNAME *list)
	183
	184	#define DEFINE_LIST(STRUCTNAME,ITEMTYPE) \
	185	void STRUCTNAME##_init(struct STRUCTNAME *list) {\
	186	list->used = 0;\
	187	list->size = 8;\
	188	list->list = malloc(list->size*sizeof(list->list[0]));\
	189	}\
	190	void STRUCTNAME##_append(struct STRUCTNAME *list, ITEMTYPE new_item) {\
ec1a68c8	191	verify(list->list);\
d76ed9a9	192	if (list->used == list->size) {\
	193	list->size = list->size ? (list->size << 1) : 4;\
	194	list->list = realloc(list->list, list->size*sizeof(list->list[0]));\
	195	}\
	196	list->list[list->used++] = new_item;\
	197	}\
	198	int STRUCTNAME##_remove(struct STRUCTNAME *list, ITEMTYPE new_item) {\
	199	unsigned int n, found;\
ec1a68c8	200	verify(list->list);\
d76ed9a9	201	for (found=n=0; n<list->used; n++) {\
	202	if (list->list[n] == new_item) {\
	203	memmove(list->list+n, list->list+n+1, (list->used-n-1)*sizeof(list->list[n]));\
	204	found = 1;\
	205	list->used--;\
	206	}\
	207	}\
	208	return found;\
	209	}\
	210	void STRUCTNAME##_clean(struct STRUCTNAME *list) {\
	211	list->used = list->size = 0;\
	212	free(list->list);\
ec1a68c8	213	list->list = NULL;\
d76ed9a9	214	}
	215
	216	/* The longest string that is likely to be produced in English is "10
	217	* minutes, and 10 seconds" (27 characters). Other languages will
	218	* vary, so there's plenty of leeway.
	219	*/
	220	#define INTERVALLEN 50
	221
	222	struct handle_info;
	223	char intervalString(char output, time_t interval, struct handle_info *hi);
	224	int getipbyname(const char name, unsigned long ip);
	225	int set_policer_param(const char param, void data, void *extra);
	226	const char *strtab(unsigned int ii);
eb5d6b73	227	char *time2str(time_t thetime);
d76ed9a9	228
	229	void tools_init(void);
	230	void tools_cleanup(void);
	231
	232	int irccasecmp(const char stra, const char strb);
	233	int ircncasecmp(const char stra, const char strb, unsigned int len);
	234	const char irccasestr(const char haystack, const char *needle);
	235
	236	DECLARE_LIST(string_buffer, char);
	237	void string_buffer_append_string(struct string_buffer buf, const char tail);
	238	void string_buffer_append_substring(struct string_buffer buf, const char tail, unsigned int len);
	239	void string_buffer_append_vprintf(struct string_buffer buf, const char fmt, va_list args);
	240	void string_buffer_append_printf(struct string_buffer buf, const char fmt, ...);
	241	void string_buffer_replace(struct string_buffer buf, unsigned int from, unsigned int len, const char repl);
	242
	243	#define enabled_string(string) (!irccasecmp((string), "on") \|\| !strcmp((string), "1") \|\| !irccasecmp((string), "enabled"))
	244	#define disabled_string(string) (!irccasecmp((string), "off") \|\| !strcmp((string), "0") \|\| !irccasecmp((string), "disabled"))
	245	#define true_string(string) (!irccasecmp((string), "true") \|\| !strcmp((string), "1") \|\| !irccasecmp((string), "yes"))
	246	#define false_string(string) (!irccasecmp((string), "false") \|\| !strcmp((string), "0") \|\| !irccasecmp((string), "no"))
	247
	248	#endif /* ifdef COMMON_H */