source: lib/misc.h @ 6f10697

  /********************************************************************\
  * BitlBee -- An IRC to other IM-networks gateway                     *
  *                                                                    *
  * Copyright 2002-2012 Wilmer van der Gaast and others                *
  \********************************************************************/

/* Misc. functions                                                      */

/*
  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 with
  the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
  if not, write to the Free Software Foundation, Inc., 51 Franklin St.,
  Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef _MISC_H
#define _MISC_H

#include <gmodule.h>
#include <time.h>

struct ns_srv_reply
{
        int prio;
        int weight;
        int port;
        char name[];
};

#ifndef NAMESER_HAS_NS_TYPES

#define NS_MAXDNAME 1025
#define NS_INT16SZ  2
#define NS_INT32SZ  4

#define NS_GET16(s, cp) do { \
        register const unsigned char *t_cp = (const unsigned char*)(cp); \
        (s) = ((guint16)t_cp[0] << 8) \
            | ((guint16)t_cp[1]) \
            ; \
        (cp) += NS_INT16SZ; \
} while(0)

#define NS_GET32(s, cp) do { \
        register const unsigned char *t_cp = (const unsigned char*)(cp); \
        (s) = ((guint16)t_cp[0] << 24) \
            | ((guint16)t_cp[1] << 16) \
            | ((guint16)t_cp[2] << 8) \
            | ((guint16)t_cp[3]) \
            ; \
        (cp) += NS_INT32SZ; \
} while(0)

#define ns_rr_rdlen(rr) ((rr).rdlength + 0)
#define ns_rr_rdata(rr) ((rr).rdata + 0)

struct _ns_flagdata { int mask, shift; };

typedef struct __ns_rr {
        char name[NS_MAXDNAME];
        guint16 type;
        guint16 rr_class;
        guint32 ttl;
        guint16 rdlength;
        const unsigned char* rdata;
} ns_rr;

typedef enum __ns_sect {
        ns_s_qd = 0,
        ns_s_zn = 0,
        ns_s_an = 1,
        ns_s_pr = 1,
        ns_s_ns = 2,
        ns_s_ud = 2,
        ns_s_ar = 3,
        ns_s_max =4
} ns_sect;

typedef struct __ns_msg
{
        const unsigned char* _msg;
        const unsigned char* _eom;
        guint16 _id;
        guint16 _flags;
        guint16 _counts[ns_s_max];
        const unsigned char* _sections[ns_s_max];
        ns_sect _sect;
        int _rrnum;
        const unsigned char* _msg_ptr;
} ns_msg;

typedef enum __ns_class {
        ns_c_invalid = 0,
        ns_c_in = 1,
        ns_c_2 = 2,
        ns_c_chaos = 3,
        ns_c_hs = 4,
        ns_c_none = 254,
        ns_c_any = 255,
        ns_c_max = 65536
} ns_class;


/* TODO : fill out the rest */
typedef enum __ns_type {
        ns_t_srv = 33
} ns_type;

#endif /* NAMESER_HAS_NS_INITPARSE */

G_MODULE_EXPORT void strip_linefeed( gchar *text );
G_MODULE_EXPORT char *add_cr( char *text );
G_MODULE_EXPORT char *strip_newlines(char *source);

G_MODULE_EXPORT time_t get_time( int year, int month, int day, int hour, int min, int sec );
G_MODULE_EXPORT time_t mktime_utc( struct tm *tp );
double gettime( void );

G_MODULE_EXPORT void strip_html( char *msg );
G_MODULE_EXPORT char *escape_html( const char *html );
G_MODULE_EXPORT void http_decode( char *s );
G_MODULE_EXPORT void http_encode( char *s );

G_MODULE_EXPORT char *ipv6_wrap( char *src );
G_MODULE_EXPORT char *ipv6_unwrap( char *src );

G_MODULE_EXPORT signed int do_iconv( char *from_cs, char *to_cs, char *src, char *dst, size_t size, size_t maxbuf );

G_MODULE_EXPORT void random_bytes( unsigned char *buf, int count );

G_MODULE_EXPORT int is_bool( char *value );
G_MODULE_EXPORT int bool2int( char *value );

G_MODULE_EXPORT struct ns_srv_reply **srv_lookup( char *service, char *protocol, char *domain );
G_MODULE_EXPORT void srv_free( struct ns_srv_reply **srv );

G_MODULE_EXPORT char *word_wrap( const char *msg, int line_len );
G_MODULE_EXPORT gboolean ssl_sockerr_again( void *ssl );
G_MODULE_EXPORT int md5_verify_password( char *password, char *hash );
G_MODULE_EXPORT char **split_command_parts( char *command, int limit );
G_MODULE_EXPORT char *get_rfc822_header( const char *text, const char *header, int len );

#endif