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Added external libircclient library.

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Sandu Liviu Catalin 2015-11-01 10:01:31 +02:00
parent 511d90a5a0
commit 6b16059547
19 changed files with 7732 additions and 0 deletions
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110
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/* src/config.h. Generated from config.h.in by configure. */
/* include/config.h.in. Generated from configure.in by autoheader. */
/* Define to 1 if you have the `getaddrinfo' function. */
/* #undef HAVE_GETADDRINFO */
/* Define to 1 if you have the `gethostbyname_r' function. */
/* #undef HAVE_GETHOSTBYNAME_R */
/* Define to 1 if you have the `inet_ntoa' function. */
/* #undef HAVE_INET_NTOA */
/* Define to 1 if you have the `inet_pton' function. */
/* #undef HAVE_INET_PTON */
/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1
/* Define to 1 if you have the `localtime_r' function. */
/* #undef HAVE_LOCALTIME_R */
/* Define to 1 if your system has a GNU libc compatible `malloc' function, and
to 0 otherwise. */
#define HAVE_MALLOC 1
/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 1
/* Define to 1 if you have the `socket' function. */
/* #undef HAVE_SOCKET */
/* Define to 1 if `stat' has the bug that it succeeds when given the
zero-length file name argument. */
/* #undef HAVE_STAT_EMPTY_STRING_BUG */
/* Define to 1 if stdbool.h conforms to C99. */
#define HAVE_STDBOOL_H 1
/* Define to 1 if you have the <stdint.h> header file. */
#define HAVE_STDINT_H 1
/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1
/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1
/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1
/* Define to 1 if you have the <sys/select.h> header file. */
/* #undef HAVE_SYS_SELECT_H */
/* Define to 1 if you have the <sys/socket.h> header file. */
/* #undef HAVE_SYS_SOCKET_H */
/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1
/* Define to 1 if you have the <sys/types.h> header file. */
#define HAVE_SYS_TYPES_H 1
/* Define to 1 if you have the <unistd.h> header file. */
#define HAVE_UNISTD_H 1
/* Define to 1 if the system has the type `_Bool'. */
#define HAVE__BOOL 1
/* Define to 1 if `lstat' dereferences a symlink specified with a trailing
slash. */
/* #undef LSTAT_FOLLOWS_SLASHED_SYMLINK */
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "gyunaev@ulduzsoft.com"
/* Define to the full name of this package. */
#define PACKAGE_NAME "libircclient"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libircclient 1.3"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libircclient"
/* Define to the version of this package. */
#define PACKAGE_VERSION "1.3"
/* Define to the type of arg 1 for `select'. */
#define SELECT_TYPE_ARG1 int
/* Define to the type of args 2, 3 and 4 for `select'. */
#define SELECT_TYPE_ARG234 (int *)
/* Define to the type of arg 5 for `select'. */
#define SELECT_TYPE_ARG5 (struct timeval *)
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
#define TIME_WITH_SYS_TIME 1
/* Define to empty if `const' does not conform to ANSI C. */
/* #undef const */
/* Define to rpl_malloc if the replacement function should be used. */
/* #undef malloc */
/* Define to `unsigned int' if <sys/types.h> does not define. */
/* #undef size_t */

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/* src/config.h. Generated from config.h.in by configure. */
/* include/config.h.in. Generated from configure.in by autoheader. */
/* Define to 1 if you have the `getaddrinfo' function. */
/* #undef HAVE_GETADDRINFO */
/* Define to 1 if you have the `gethostbyname_r' function. */
/* #undef HAVE_GETHOSTBYNAME_R */
/* Define to 1 if you have the `inet_ntoa' function. */
/* #undef HAVE_INET_NTOA */
/* Define to 1 if you have the `inet_pton' function. */
/* #undef HAVE_INET_PTON */
/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1
/* Define to 1 if you have the `localtime_r' function. */
/* #undef HAVE_LOCALTIME_R */
/* Define to 1 if your system has a GNU libc compatible `malloc' function, and
to 0 otherwise. */
#define HAVE_MALLOC 1
/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 1
/* Define to 1 if you have the `socket' function. */
/* #undef HAVE_SOCKET */
/* Define to 1 if `stat' has the bug that it succeeds when given the
zero-length file name argument. */
/* #undef HAVE_STAT_EMPTY_STRING_BUG */
/* Define to 1 if stdbool.h conforms to C99. */
#define HAVE_STDBOOL_H 1
/* Define to 1 if you have the <stdint.h> header file. */
#define HAVE_STDINT_H 1
/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1
/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1
/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1
/* Define to 1 if you have the <sys/select.h> header file. */
/* #undef HAVE_SYS_SELECT_H */
/* Define to 1 if you have the <sys/socket.h> header file. */
/* #undef HAVE_SYS_SOCKET_H */
/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1
/* Define to 1 if you have the <sys/types.h> header file. */
#define HAVE_SYS_TYPES_H 1
/* Define to 1 if you have the <unistd.h> header file. */
#define HAVE_UNISTD_H 1
/* Define to 1 if the system has the type `_Bool'. */
#define HAVE__BOOL 1
/* Define to 1 if `lstat' dereferences a symlink specified with a trailing
slash. */
/* #undef LSTAT_FOLLOWS_SLASHED_SYMLINK */
/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "gyunaev@ulduzsoft.com"
/* Define to the full name of this package. */
#define PACKAGE_NAME "libircclient"
/* Define to the full name and version of this package. */
#define PACKAGE_STRING "libircclient 1.3"
/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "libircclient"
/* Define to the version of this package. */
#define PACKAGE_VERSION "1.3"
/* Define to the type of arg 1 for `select'. */
#define SELECT_TYPE_ARG1 int
/* Define to the type of args 2, 3 and 4 for `select'. */
#define SELECT_TYPE_ARG234 (int *)
/* Define to the type of arg 5 for `select'. */
#define SELECT_TYPE_ARG5 (struct timeval *)
/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
#define TIME_WITH_SYS_TIME 1
/* Define to empty if `const' does not conform to ANSI C. */
/* #undef const */
/* Define to rpl_malloc if the replacement function should be used. */
/* #undef malloc */
/* Define to `unsigned int' if <sys/types.h> does not define. */
/* #undef size_t */

482
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GNU LIBRARY GENERAL PUBLIC LICENSE
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but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA
Also add information on how to contact you by electronic and paper mail.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the library, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the
library `Frob' (a library for tweaking knobs) written by James Random Hacker.
<signature of Ty Coon>, 1 April 1990
Ty Coon, President of Vice
That's all there is to it!

388
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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
#include <ctype.h>
#define LIBIRC_COLORPARSER_BOLD (1<<1)
#define LIBIRC_COLORPARSER_UNDERLINE (1<<2)
#define LIBIRC_COLORPARSER_REVERSE (1<<3)
#define LIBIRC_COLORPARSER_COLOR (1<<4)
#define LIBIRC_COLORPARSER_MAXCOLORS 15
static const char * color_replacement_table[] =
{
"WHITE",
"BLACK",
"DARKBLUE",
"DARKGREEN",
"RED",
"BROWN",
"PURPLE",
"OLIVE",
"YELLOW",
"GREEN",
"TEAL",
"CYAN",
"BLUE",
"MAGENTA",
"DARKGRAY",
"LIGHTGRAY",
0
};
static inline void libirc_colorparser_addorcat (char ** destline, unsigned int * destlen, const char * str)
{
unsigned int len = strlen(str);
if ( *destline )
{
strcpy (*destline, str);
*destline += len;
}
else
*destlen += len;
}
static void libirc_colorparser_applymask (unsigned int * mask,
char ** destline, unsigned int * destlen,
unsigned int bitmask, const char * start, const char * end)
{
if ( (*mask & bitmask) != 0 )
{
*mask &= ~bitmask;
libirc_colorparser_addorcat (destline, destlen, end);
}
else
{
*mask |= bitmask;
libirc_colorparser_addorcat (destline, destlen, start);
}
}
static void libirc_colorparser_applycolor (unsigned int * mask,
char ** destline, unsigned int * destlen,
unsigned int colorid, unsigned int bgcolorid)
{
const char * end = "[/COLOR]";
char startbuf[64];
if ( bgcolorid != 0 )
sprintf (startbuf, "[COLOR=%s/%s]", color_replacement_table[colorid], color_replacement_table[bgcolorid]);
else
sprintf (startbuf, "[COLOR=%s]", color_replacement_table[colorid]);
if ( (*mask & LIBIRC_COLORPARSER_COLOR) != 0 )
libirc_colorparser_addorcat (destline, destlen, end);
*mask |= LIBIRC_COLORPARSER_COLOR;
libirc_colorparser_addorcat (destline, destlen, startbuf);
}
static void libirc_colorparser_closetags (unsigned int * mask,
char ** destline, unsigned int * destlen)
{
if ( *mask & LIBIRC_COLORPARSER_BOLD )
libirc_colorparser_applymask (mask, destline, destlen, LIBIRC_COLORPARSER_BOLD, 0, "[/B]");
if ( *mask & LIBIRC_COLORPARSER_UNDERLINE )
libirc_colorparser_applymask (mask, destline, destlen, LIBIRC_COLORPARSER_UNDERLINE, 0, "[/U]");
if ( *mask & LIBIRC_COLORPARSER_REVERSE )
libirc_colorparser_applymask (mask, destline, destlen, LIBIRC_COLORPARSER_REVERSE, 0, "[/I]");
if ( *mask & LIBIRC_COLORPARSER_COLOR )
libirc_colorparser_applymask (mask, destline, destlen, LIBIRC_COLORPARSER_COLOR, 0, "[/COLOR]");
}
/*
* IRC to [code] color conversion. Or strip.
*/
static char * libirc_colorparser_irc2code (const char * source, int strip)
{
unsigned int mask = 0, destlen = 0;
char * destline = 0, *d = 0;
const char *p;
int current_bg = 0;
/*
* There will be two passes. First pass calculates the total length of
* the destination string. The second pass allocates memory for the string,
* and fills it.
*/
while ( destline == 0 ) // destline will be set after the 2nd pass
{
if ( destlen > 0 )
{
// This is the 2nd pass; allocate memory.
if ( (destline = malloc (destlen)) == 0 )
return 0;
d = destline;
}
for ( p = source; *p; p++ )
{
switch (*p)
{
case 0x02: // bold
if ( strip )
continue;
libirc_colorparser_applymask (&mask, &d, &destlen, LIBIRC_COLORPARSER_BOLD, "[B]", "[/B]");
break;
case 0x1F: // underline
if ( strip )
continue;
libirc_colorparser_applymask (&mask, &d, &destlen, LIBIRC_COLORPARSER_UNDERLINE, "[U]", "[/U]");
break;
case 0x16: // reverse
if ( strip )
continue;
libirc_colorparser_applymask (&mask, &d, &destlen, LIBIRC_COLORPARSER_REVERSE, "[I]", "[/I]");
break;
case 0x0F: // reset colors
if ( strip )
continue;
libirc_colorparser_closetags (&mask, &d, &destlen);
break;
case 0x03: // set color
if ( isdigit (p[1]) )
{
// Parse
int bgcolor = -1, color = p[1] - 0x30;
p++;
if ( isdigit (p[1]) )
{
color = color * 10 + (p[1] - 0x30);
p++;
}
// If there is a comma, search for the following
// background color
if ( p[1] == ',' && isdigit (p[2]) )
{
bgcolor = p[2] - 0x30;
p += 2;
if ( isdigit (p[1]) )
{
bgcolor = bgcolor * 10 + (p[1] - 0x30);
p++;
}
}
// Check for range
if ( color <= LIBIRC_COLORPARSER_MAXCOLORS
&& bgcolor <= LIBIRC_COLORPARSER_MAXCOLORS )
{
if ( strip )
continue;
if ( bgcolor != -1 )
current_bg = bgcolor;
libirc_colorparser_applycolor (&mask, &d, &destlen, color, current_bg);
}
}
break;
default:
if ( destline )
*d++ = *p;
else
destlen++;
break;
}
}
// Close all the opened tags
libirc_colorparser_closetags (&mask, &d, &destlen);
destlen++; // for 0-terminator
}
*d = '\0';
return destline;
}
static int libirc_colorparser_colorlookup (const char * color)
{
int i;
for ( i = 0; color_replacement_table[i]; i++ )
if ( !strcmp (color, color_replacement_table[i]) )
return i;
return -1;
}
/*
* [code] to IRC color conversion.
*/
char * irc_color_convert_to_mirc (const char * source)
{
unsigned int destlen = 0;
char * destline = 0, *d = 0;
const char *p1, *p2, *cur;
/*
* There will be two passes. First pass calculates the total length of
* the destination string. The second pass allocates memory for the string,
* and fills it.
*/
while ( destline == 0 ) // destline will be set after the 2nd pass
{
if ( destlen > 0 )
{
// This is the 2nd pass; allocate memory.
if ( (destline = malloc (destlen)) == 0 )
return 0;
d = destline;
}
cur = source;
while ( (p1 = strchr (cur, '[')) != 0 )
{
const char * replacedval = 0;
p2 = 0;
// Check if the closing bracket is available after p1
// and the tag length is suitable
if ( p1[1] != '\0'
&& (p2 = strchr (p1, ']')) != 0
&& (p2 - p1) > 1
&& (p2 - p1) < 31 )
{
// Get the tag
char tagbuf[32];
int taglen = p2 - p1 - 1;
memcpy (tagbuf, p1 + 1, taglen);
tagbuf[taglen] = '\0';
if ( !strcmp (tagbuf, "/COLOR") )
replacedval = "\x0F";
else if ( strstr (tagbuf, "COLOR=") == tagbuf )
{
int color, bgcolor = -2;
char * bcol;
bcol = strchr (tagbuf + 6, '/');
if ( bcol )
{
*bcol++ = '\0';
bgcolor = libirc_colorparser_colorlookup (bcol);
}
color = libirc_colorparser_colorlookup (tagbuf + 6);
if ( color != -1 && bgcolor == -2 )
{
sprintf (tagbuf, "\x03%02d", color);
replacedval = tagbuf;
}
else if ( color != -1 && bgcolor >= 0 )
{
sprintf (tagbuf, "\x03%02d,%02d", color, bgcolor);
replacedval = tagbuf;
}
}
else if ( !strcmp (tagbuf, "B") || !strcmp (tagbuf, "/B") )
replacedval = "\x02";
else if ( !strcmp (tagbuf, "U") || !strcmp (tagbuf, "/U") )
replacedval = "\x1F";
else if ( !strcmp (tagbuf, "I") || !strcmp (tagbuf, "/I") )
replacedval = "\x16";
}
if ( replacedval )
{
// add a part before the tag
int partlen = p1 - cur;
if ( destline )
{
memcpy (d, cur, partlen);
d += partlen;
}
else
destlen += partlen;
// Add the replacement
libirc_colorparser_addorcat (&d, &destlen, replacedval);
// And move the pointer
cur = p2 + 1;
}
else
{
// add a whole part before the end tag
int partlen;
if ( !p2 )
p2 = cur + strlen(cur);
partlen = p2 - cur + 1;
if ( destline )
{
memcpy (d, cur, partlen);
d += partlen;
}
else
destlen += partlen;
// And move the pointer
cur = p2 + 1;
}
}
// Add the rest of string
libirc_colorparser_addorcat (&d, &destlen, cur);
destlen++; // for 0-terminator
}
*d = '\0';
return destline;
}
char * irc_color_strip_from_mirc (const char * message)
{
return libirc_colorparser_irc2code (message, 1);
}
char * irc_color_convert_from_mirc (const char * message)
{
return libirc_colorparser_irc2code (message, 0);
}

892
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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
#define LIBIRC_DCC_CHAT 1
#define LIBIRC_DCC_SENDFILE 2
#define LIBIRC_DCC_RECVFILE 3
static irc_dcc_session_t * libirc_find_dcc_session (irc_session_t * session, irc_dcc_t dccid, int lock_list)
{
irc_dcc_session_t * s, *found = 0;
if ( lock_list )
libirc_mutex_lock (&session->mutex_dcc);
for ( s = session->dcc_sessions; s; s = s->next )
{
if ( s->id == dccid )
{
found = s;
break;
}
}
if ( found == 0 && lock_list )
libirc_mutex_unlock (&session->mutex_dcc);
return found;
}
static void libirc_dcc_destroy_nolock (irc_session_t * session, irc_dcc_t dccid)
{
irc_dcc_session_t * dcc = libirc_find_dcc_session (session, dccid, 0);
if ( dcc )
{
if ( dcc->sock >= 0 )
socket_close (&dcc->sock);
dcc->state = LIBIRC_STATE_REMOVED;
}
}
static void libirc_remove_dcc_session (irc_session_t * session, irc_dcc_session_t * dcc, int lock_list)
{
if ( dcc->sock >= 0 )
socket_close (&dcc->sock);
if ( dcc->dccsend_file_fp )
fclose (dcc->dccsend_file_fp);
dcc->dccsend_file_fp = 0;
libirc_mutex_destroy (&dcc->mutex_outbuf);
if ( lock_list )
libirc_mutex_lock (&session->mutex_dcc);
if ( session->dcc_sessions != dcc )
{
irc_dcc_session_t * s;
for ( s = session->dcc_sessions; s; s = s->next )
{
if ( s->next == dcc )
{
s->next = dcc->next;
break;
}
}
}
else
session->dcc_sessions = dcc->next;
if ( lock_list )
libirc_mutex_unlock (&session->mutex_dcc);
free (dcc);
}
static void libirc_dcc_add_descriptors (irc_session_t * ircsession, fd_set *in_set, fd_set *out_set, int * maxfd)
{
irc_dcc_session_t * dcc, *dcc_next;
time_t now = time (0);
libirc_mutex_lock (&ircsession->mutex_dcc);
// Preprocessing DCC list:
// - ask DCC send callbacks for data;
// - remove unused DCC structures
for ( dcc = ircsession->dcc_sessions; dcc; dcc = dcc_next )
{
dcc_next = dcc->next;
// Remove timed-out sessions
if ( (dcc->state == LIBIRC_STATE_CONNECTING
|| dcc->state == LIBIRC_STATE_INIT
|| dcc->state == LIBIRC_STATE_LISTENING)
&& now - dcc->timeout > ircsession->dcc_timeout )
{
// Inform the caller about DCC timeout.
// Do not inform when state is LIBIRC_STATE_INIT - session
// was initiated from someone else, and callbacks aren't set yet.
if ( dcc->state != LIBIRC_STATE_INIT )
{
libirc_mutex_unlock (&ircsession->mutex_dcc);
if ( dcc->cb )
(*dcc->cb)(ircsession, dcc->id, LIBIRC_ERR_TIMEOUT, dcc->ctx, 0, 0);
libirc_mutex_lock (&ircsession->mutex_dcc);
}
libirc_remove_dcc_session (ircsession, dcc, 0);
}
/*
* If we're sending file, and the output buffer is empty, we need
* to provide some data.
*/
if ( dcc->state == LIBIRC_STATE_CONNECTED
&& dcc->dccmode == LIBIRC_DCC_SENDFILE
&& dcc->dccsend_file_fp
&& dcc->outgoing_offset == 0 )
{
int len = fread (dcc->outgoing_buf, 1, sizeof (dcc->outgoing_buf), dcc->dccsend_file_fp);
if ( len <= 0 )
{
int err = (len < 0 ? LIBIRC_ERR_READ : 0);
libirc_mutex_unlock (&ircsession->mutex_dcc);
(*dcc->cb)(ircsession, dcc->id, err, dcc->ctx, 0, 0);
libirc_mutex_lock (&ircsession->mutex_dcc);
libirc_dcc_destroy_nolock (ircsession, dcc->id);
}
else
dcc->outgoing_offset = len;
}
// Clean up unused sessions
if ( dcc->state == LIBIRC_STATE_REMOVED )
libirc_remove_dcc_session (ircsession, dcc, 0);
}
for ( dcc = ircsession->dcc_sessions; dcc; dcc = dcc->next )
{
switch (dcc->state)
{
case LIBIRC_STATE_LISTENING:
// While listening, only in_set descriptor should be set
libirc_add_to_set (dcc->sock, in_set, maxfd);
break;
case LIBIRC_STATE_CONNECTING:
// While connection, only out_set descriptor should be set
libirc_add_to_set (dcc->sock, out_set, maxfd);
break;
case LIBIRC_STATE_CONNECTED:
// Add input descriptor if there is space in input buffer
// and it is DCC chat (during DCC send, there is nothing to recv)
if ( dcc->incoming_offset < sizeof(dcc->incoming_buf) - 1 )
libirc_add_to_set (dcc->sock, in_set, maxfd);
// Add output descriptor if there is something in output buffer
libirc_mutex_lock (&dcc->mutex_outbuf);
if ( dcc->outgoing_offset > 0 )
libirc_add_to_set (dcc->sock, out_set, maxfd);
libirc_mutex_unlock (&dcc->mutex_outbuf);
break;
case LIBIRC_STATE_CONFIRM_SIZE:
/*
* If we're receiving file, then WE should confirm the transferred
* part (so we have to sent data). But if we're sending the file,
* then RECEIVER should confirm the packet, so we have to receive
* data.
*
* We don't need to LOCK_DCC_OUTBUF - during file transfer, buffers
* can't change asynchronously.
*/
if ( dcc->dccmode == LIBIRC_DCC_RECVFILE && dcc->outgoing_offset > 0 )
libirc_add_to_set (dcc->sock, out_set, maxfd);
if ( dcc->dccmode == LIBIRC_DCC_SENDFILE && dcc->incoming_offset < 4 )
libirc_add_to_set (dcc->sock, in_set, maxfd);
}
}
libirc_mutex_unlock (&ircsession->mutex_dcc);
}
static void libirc_dcc_process_descriptors (irc_session_t * ircsession, fd_set *in_set, fd_set *out_set)
{
irc_dcc_session_t * dcc;
/*
* We need to use such a complex scheme here, because on every callback
* a number of DCC sessions could be destroyed.
*/
libirc_mutex_lock (&ircsession->mutex_dcc);
for ( dcc = ircsession->dcc_sessions; dcc; dcc = dcc->next )
{
if ( dcc->state == LIBIRC_STATE_LISTENING
&& FD_ISSET (dcc->sock, in_set) )
{
socklen_t len = sizeof(dcc->remote_addr);
int nsock, err = 0;
// New connection is available; accept it.
if ( socket_accept (&dcc->sock, (socket_t*)&nsock, (struct sockaddr *) &dcc->remote_addr, &len) )
err = LIBIRC_ERR_ACCEPT;
// On success, change the active socket and change the state
if ( err == 0 )
{
// close the listen socket, and replace it by a newly
// accepted
socket_close (&dcc->sock);
dcc->sock = nsock;
dcc->state = LIBIRC_STATE_CONNECTED;
}
// If this is DCC chat, inform the caller about accept()
// success or failure.
// Otherwise (DCC send) there is no reason.
if ( dcc->dccmode == LIBIRC_DCC_CHAT )
{
libirc_mutex_unlock (&ircsession->mutex_dcc);
(*dcc->cb)(ircsession, dcc->id, err, dcc->ctx, 0, 0);
libirc_mutex_lock (&ircsession->mutex_dcc);
}
if ( err )
libirc_dcc_destroy_nolock (ircsession, dcc->id);
}
if ( dcc->state == LIBIRC_STATE_CONNECTING
&& FD_ISSET (dcc->sock, out_set) )
{
// Now we have to determine whether the socket is connected
// or the connect is failed
struct sockaddr_in saddr;
socklen_t slen = sizeof(saddr);
int err = 0;
if ( getpeername (dcc->sock, (struct sockaddr*)&saddr, &slen) < 0 )
err = LIBIRC_ERR_CONNECT;
// On success, change the state
if ( err == 0 )
dcc->state = LIBIRC_STATE_CONNECTED;
// If this is DCC chat, inform the caller about connect()
// success or failure.
// Otherwise (DCC send) there is no reason.
if ( dcc->dccmode == LIBIRC_DCC_CHAT )
{
libirc_mutex_unlock (&ircsession->mutex_dcc);
(*dcc->cb)(ircsession, dcc->id, err, dcc->ctx, 0, 0);
libirc_mutex_lock (&ircsession->mutex_dcc);
}
if ( err )
libirc_dcc_destroy_nolock (ircsession, dcc->id);
}
if ( dcc->state == LIBIRC_STATE_CONNECTED
|| dcc->state == LIBIRC_STATE_CONFIRM_SIZE )
{
if ( FD_ISSET (dcc->sock, in_set) )
{
int length, offset = 0, err = 0;
unsigned int amount = sizeof (dcc->incoming_buf) - dcc->incoming_offset;
length = socket_recv (&dcc->sock, dcc->incoming_buf + dcc->incoming_offset, amount);
if ( length < 0 )
{
err = LIBIRC_ERR_READ;
}
else if ( length == 0 )
{
err = LIBIRC_ERR_CLOSED;
if ( dcc->dccsend_file_fp )
{
fclose (dcc->dccsend_file_fp);
dcc->dccsend_file_fp = 0;
}
}
else
{
dcc->incoming_offset += length;
if ( dcc->dccmode != LIBIRC_DCC_CHAT )
offset = dcc->incoming_offset;
else
offset = libirc_findcrorlf (dcc->incoming_buf, dcc->incoming_offset);
/*
* In LIBIRC_STATE_CONFIRM_SIZE state we don't call any
* callbacks (except there is an error). We just receive
* the data, and compare it with the amount sent.
*/
if ( dcc->state == LIBIRC_STATE_CONFIRM_SIZE )
{
if ( dcc->dccmode != LIBIRC_DCC_SENDFILE )
abort();
if ( dcc->incoming_offset == 4 )
{
// The order is big-endian
const unsigned char * bptr = (const unsigned char *) dcc->incoming_buf;
unsigned int received_size = (bptr[0] << 24) | (bptr[1] << 16) | (bptr[2] << 8) | bptr[3];
// Sent size confirmed
if ( dcc->file_confirm_offset == received_size )
{
dcc->state = LIBIRC_STATE_CONNECTED;
dcc->incoming_offset = 0;
}
else
err = LIBIRC_ERR_WRITE;
}
}
else
{
/*
* If it is DCC_CHAT, we send a 0-terminated string
* (which is smaller than offset). Otherwise we send
* a full buffer.
*/
libirc_mutex_unlock (&ircsession->mutex_dcc);
if ( dcc->dccmode != LIBIRC_DCC_CHAT )
{
if ( dcc->dccmode != LIBIRC_DCC_RECVFILE )
abort();
(*dcc->cb)(ircsession, dcc->id, err, dcc->ctx, dcc->incoming_buf, offset);
/*
* If the session is not terminated in callback,
* put the sent amount into the sent_packet_size_net_byteorder
*/
if ( dcc->state != LIBIRC_STATE_REMOVED )
{
dcc->state = LIBIRC_STATE_CONFIRM_SIZE;
dcc->file_confirm_offset += offset;
// Store as big endian
dcc->outgoing_buf[0] = (char) dcc->file_confirm_offset >> 24;
dcc->outgoing_buf[1] = (char) dcc->file_confirm_offset >> 16;
dcc->outgoing_buf[2] = (char) dcc->file_confirm_offset >> 8;
dcc->outgoing_buf[3] = (char) dcc->file_confirm_offset;
dcc->outgoing_offset = 4;
}
}
else
(*dcc->cb)(ircsession, dcc->id, err, dcc->ctx, dcc->incoming_buf, strlen(dcc->incoming_buf));
libirc_mutex_lock (&ircsession->mutex_dcc);
if ( dcc->incoming_offset - offset > 0 )
memmove (dcc->incoming_buf, dcc->incoming_buf + offset, dcc->incoming_offset - offset);
dcc->incoming_offset -= offset;
}
}
/*
* If error arises somewhere above, we inform the caller
* of failure, and destroy this session.
*/
if ( err )
{
libirc_mutex_unlock (&ircsession->mutex_dcc);
(*dcc->cb)(ircsession, dcc->id, err, dcc->ctx, 0, 0);
libirc_mutex_lock (&ircsession->mutex_dcc);
libirc_dcc_destroy_nolock (ircsession, dcc->id);
}
}
/*
* Session might be closed (with sock = -1) after the in_set
* processing, so before out_set processing we should check
* for this case
*/
if ( dcc->state == LIBIRC_STATE_REMOVED )
continue;
/*
* Write bit set - we can send() something, and it won't block.
*/
if ( FD_ISSET (dcc->sock, out_set) )
{
int length, offset, err = 0;
/*
* Because in some cases outgoing_buf could be changed
* asynchronously (by another thread), we should lock
* it.
*/
libirc_mutex_lock (&dcc->mutex_outbuf);
offset = dcc->outgoing_offset;
if ( offset > 0 )
{
length = socket_send (&dcc->sock, dcc->outgoing_buf, offset);
if ( length < 0 )
err = LIBIRC_ERR_WRITE;
else if ( length == 0 )
err = LIBIRC_ERR_CLOSED;
else
{
/*
* If this was DCC_SENDFILE, and we just sent a packet,
* change the state to wait for confirmation (and store
* sent packet size)
*/
if ( dcc->state == LIBIRC_STATE_CONNECTED
&& dcc->dccmode == LIBIRC_DCC_SENDFILE )
{
dcc->file_confirm_offset += offset;
dcc->state = LIBIRC_STATE_CONFIRM_SIZE;
libirc_mutex_unlock (&ircsession->mutex_dcc);
libirc_mutex_unlock (&dcc->mutex_outbuf);
(*dcc->cb)(ircsession, dcc->id, err, dcc->ctx, 0, offset);
libirc_mutex_lock (&ircsession->mutex_dcc);
libirc_mutex_lock (&dcc->mutex_outbuf);
}
if ( dcc->outgoing_offset - length > 0 )
memmove (dcc->outgoing_buf, dcc->outgoing_buf + length, dcc->outgoing_offset - length);
dcc->outgoing_offset -= length;
/*
* If we just sent the confirmation data, change state
* back.
*/
if ( dcc->state == LIBIRC_STATE_CONFIRM_SIZE
&& dcc->dccmode == LIBIRC_DCC_RECVFILE
&& dcc->outgoing_offset == 0 )
{
/*
* If the file is already received, we should inform
* the caller, and close the session.
*/
if ( dcc->received_file_size == dcc->file_confirm_offset )
{
libirc_mutex_unlock (&ircsession->mutex_dcc);
libirc_mutex_unlock (&dcc->mutex_outbuf);
(*dcc->cb)(ircsession, dcc->id, 0, dcc->ctx, 0, 0);
libirc_dcc_destroy_nolock (ircsession, dcc->id);
}
else
{
/* Continue to receive the file */
dcc->state = LIBIRC_STATE_CONNECTED;
}
}
}
}
libirc_mutex_unlock (&dcc->mutex_outbuf);
/*
* If error arises somewhere above, we inform the caller
* of failure, and destroy this session.
*/
if ( err )
{
libirc_mutex_unlock (&ircsession->mutex_dcc);
(*dcc->cb)(ircsession, dcc->id, err, dcc->ctx, 0, 0);
libirc_mutex_lock (&ircsession->mutex_dcc);
libirc_dcc_destroy_nolock (ircsession, dcc->id);
}
}
}
}
libirc_mutex_unlock (&ircsession->mutex_dcc);
}
static int libirc_new_dcc_session (irc_session_t * session, unsigned long ip, unsigned short port, int dccmode, void * ctx, irc_dcc_session_t ** pdcc)
{
irc_dcc_session_t * dcc = malloc (sizeof(irc_dcc_session_t));
if ( !dcc )
return LIBIRC_ERR_NOMEM;
// setup
memset (dcc, 0, sizeof(irc_dcc_session_t));
dcc->dccsend_file_fp = 0;
if ( libirc_mutex_init (&dcc->mutex_outbuf) )
goto cleanup_exit_error;
if ( socket_create (PF_INET, SOCK_STREAM, &dcc->sock) )
goto cleanup_exit_error;
if ( !ip )
{
unsigned long arg = 1;
setsockopt (dcc->sock, SOL_SOCKET, SO_REUSEADDR, (char*)&arg, sizeof(arg));
#if defined (ENABLE_IPV6)
if ( session->flags & SESSIONFL_USES_IPV6 )
{
struct sockaddr_in6 saddr6;
memset (&saddr6, 0, sizeof(saddr6));
saddr6.sin6_family = AF_INET6;
memcpy (&saddr6.sin6_addr, &session->local_addr6, sizeof(session->local_addr6));
saddr6.sin6_port = htons (0);
if ( bind (dcc->sock, (struct sockaddr *) &saddr6, sizeof(saddr6)) < 0 )
goto cleanup_exit_error;
}
else
#endif
{
struct sockaddr_in saddr;
memset (&saddr, 0, sizeof(saddr));
saddr.sin_family = AF_INET;
memcpy (&saddr.sin_addr, &session->local_addr, sizeof(session->local_addr));
saddr.sin_port = htons (0);
if ( bind (dcc->sock, (struct sockaddr *) &saddr, sizeof(saddr)) < 0 )
goto cleanup_exit_error;
}
if ( listen (dcc->sock, 5) < 0 )
goto cleanup_exit_error;
dcc->state = LIBIRC_STATE_LISTENING;
}
else
{
// make socket non-blocking, so connect() call won't block
if ( socket_make_nonblocking (&dcc->sock) )
goto cleanup_exit_error;
memset (&dcc->remote_addr, 0, sizeof(dcc->remote_addr));
dcc->remote_addr.sin_family = AF_INET;
dcc->remote_addr.sin_addr.s_addr = htonl (ip); // what idiot came up with idea to send IP address in host-byteorder?
dcc->remote_addr.sin_port = htons(port);
dcc->state = LIBIRC_STATE_INIT;
}
dcc->dccmode = dccmode;
dcc->ctx = ctx;
time (&dcc->timeout);
// and store it
libirc_mutex_lock (&session->mutex_dcc);
dcc->id = session->dcc_last_id++;
dcc->next = session->dcc_sessions;
session->dcc_sessions = dcc;
libirc_mutex_unlock (&session->mutex_dcc);
*pdcc = dcc;
return 0;
cleanup_exit_error:
if ( dcc->sock >= 0 )
socket_close (&dcc->sock);
free (dcc);
return LIBIRC_ERR_SOCKET;
}
int irc_dcc_destroy (irc_session_t * session, irc_dcc_t dccid)
{
// This function doesn't actually destroy the session; it just changes
// its state to "removed" and closes the socket. The memory is actually
// freed after the processing loop.
irc_dcc_session_t * dcc = libirc_find_dcc_session (session, dccid, 1);
if ( !dcc )
return 1;
if ( dcc->sock >= 0 )
socket_close (&dcc->sock);
dcc->state = LIBIRC_STATE_REMOVED;
libirc_mutex_unlock (&session->mutex_dcc);
return 0;
}
int irc_dcc_chat (irc_session_t * session, void * ctx, const char * nick, irc_dcc_callback_t callback, irc_dcc_t * dccid)
{
struct sockaddr_in saddr;
socklen_t len = sizeof(saddr);
char cmdbuf[128], notbuf[128];
irc_dcc_session_t * dcc;
int err;
if ( session->state != LIBIRC_STATE_CONNECTED )
{
session->lasterror = LIBIRC_ERR_STATE;
return 1;
}
err = libirc_new_dcc_session (session, 0, 0, LIBIRC_DCC_CHAT, ctx, &dcc);
if ( err )
{
session->lasterror = err;
return 1;
}
if ( getsockname (dcc->sock, (struct sockaddr*) &saddr, &len) < 0 )
{
session->lasterror = LIBIRC_ERR_SOCKET;
libirc_remove_dcc_session (session, dcc, 1);
return 1;
}
sprintf (notbuf, "DCC Chat (%s)", inet_ntoa (saddr.sin_addr));
sprintf (cmdbuf, "DCC CHAT chat %lu %u", (unsigned long) ntohl (saddr.sin_addr.s_addr), ntohs (saddr.sin_port));
if ( irc_cmd_notice (session, nick, notbuf)
|| irc_cmd_ctcp_request (session, nick, cmdbuf) )
{
libirc_remove_dcc_session (session, dcc, 1);
return 1;
}
*dccid = dcc->id;
dcc->cb = callback;
dcc->dccmode = LIBIRC_DCC_CHAT;
return 0;
}
int irc_dcc_msg (irc_session_t * session, irc_dcc_t dccid, const char * text)
{
irc_dcc_session_t * dcc = libirc_find_dcc_session (session, dccid, 1);
if ( !dcc )
return 1;
if ( dcc->dccmode != LIBIRC_DCC_CHAT )
{
session->lasterror = LIBIRC_ERR_INVAL;
libirc_mutex_unlock (&session->mutex_dcc);
return 1;
}
if ( (strlen(text) + 2) >= (sizeof(dcc->outgoing_buf) - dcc->outgoing_offset) )
{
session->lasterror = LIBIRC_ERR_NOMEM;
libirc_mutex_unlock (&session->mutex_dcc);
return 1;
}
libirc_mutex_lock (&dcc->mutex_outbuf);
strcpy (dcc->outgoing_buf + dcc->outgoing_offset, text);
dcc->outgoing_offset += strlen (text);
dcc->outgoing_buf[dcc->outgoing_offset++] = 0x0D;
dcc->outgoing_buf[dcc->outgoing_offset++] = 0x0A;
libirc_mutex_unlock (&dcc->mutex_outbuf);
libirc_mutex_unlock (&session->mutex_dcc);
return 0;
}
static void libirc_dcc_request (irc_session_t * session, const char * nick, const char * req)
{
char filenamebuf[256];
unsigned long ip, size;
unsigned short port;
if ( sscanf (req, "DCC CHAT chat %lu %hu", &ip, &port) == 2 )
{
if ( session->callbacks.event_dcc_chat_req )
{
irc_dcc_session_t * dcc;
int err = libirc_new_dcc_session (session, ip, port, LIBIRC_DCC_CHAT, 0, &dcc);
if ( err )
{
session->lasterror = err;
return;
}
(*session->callbacks.event_dcc_chat_req) (session,
nick,
inet_ntoa (dcc->remote_addr.sin_addr),
dcc->id);
}
return;
}
else if ( sscanf (req, "DCC SEND %s %lu %hu %lu", filenamebuf, &ip, &port, &size) == 4 )
{
if ( session->callbacks.event_dcc_send_req )
{
irc_dcc_session_t * dcc;
int err = libirc_new_dcc_session (session, ip, port, LIBIRC_DCC_RECVFILE, 0, &dcc);
if ( err )
{
session->lasterror = err;
return;
}
(*session->callbacks.event_dcc_send_req) (session,
nick,
inet_ntoa (dcc->remote_addr.sin_addr),
filenamebuf,
size,
dcc->id);
dcc->received_file_size = size;
}
return;
}
#if defined (ENABLE_DEBUG)
fprintf (stderr, "BUG: Unhandled DCC message: %s\n", req);
abort();
#endif
}
int irc_dcc_accept (irc_session_t * session, irc_dcc_t dccid, void * ctx, irc_dcc_callback_t callback)
{
irc_dcc_session_t * dcc = libirc_find_dcc_session (session, dccid, 1);
if ( !dcc )
return 1;
if ( dcc->state != LIBIRC_STATE_INIT )
{
session->lasterror = LIBIRC_ERR_STATE;
libirc_mutex_unlock (&session->mutex_dcc);
return 1;
}
dcc->cb = callback;
dcc->ctx = ctx;
// Initiate the connect
if ( socket_connect (&dcc->sock, (struct sockaddr *) &dcc->remote_addr, sizeof(dcc->remote_addr)) )
{
libirc_dcc_destroy_nolock (session, dccid);
libirc_mutex_unlock (&session->mutex_dcc);
session->lasterror = LIBIRC_ERR_CONNECT;
return 1;
}
dcc->state = LIBIRC_STATE_CONNECTING;
libirc_mutex_unlock (&session->mutex_dcc);
return 0;
}
int irc_dcc_decline (irc_session_t * session, irc_dcc_t dccid)
{
irc_dcc_session_t * dcc = libirc_find_dcc_session (session, dccid, 1);
if ( !dcc )
return 1;
if ( dcc->state != LIBIRC_STATE_INIT )
{
session->lasterror = LIBIRC_ERR_STATE;
libirc_mutex_unlock (&session->mutex_dcc);
return 1;
}
libirc_dcc_destroy_nolock (session, dccid);
libirc_mutex_unlock (&session->mutex_dcc);
return 0;
}
int irc_dcc_sendfile (irc_session_t * session, void * ctx, const char * nick, const char * filename, irc_dcc_callback_t callback, irc_dcc_t * dccid)
{
struct sockaddr_in saddr;
socklen_t len = sizeof(saddr);
char cmdbuf[128], notbuf[128];
irc_dcc_session_t * dcc;
const char * p;
int err;
long filesize;
if ( !session || !dccid || !filename || !callback )
{
session->lasterror = LIBIRC_ERR_INVAL;
return 1;
}
if ( session->state != LIBIRC_STATE_CONNECTED )
{
session->lasterror = LIBIRC_ERR_STATE;
return 1;
}
if ( (err = libirc_new_dcc_session (session, 0, 0, LIBIRC_DCC_SENDFILE, ctx, &dcc)) != 0 )
{
session->lasterror = err;
return 1;
}
if ( (dcc->dccsend_file_fp = fopen (filename, "rb")) == 0 )
{
libirc_remove_dcc_session (session, dcc, 1);
session->lasterror = LIBIRC_ERR_OPENFILE;
return 1;
}
/* Get file length */
if ( fseek (dcc->dccsend_file_fp, 0, SEEK_END)
|| (filesize = ftell (dcc->dccsend_file_fp)) == -1
|| fseek (dcc->dccsend_file_fp, 0, SEEK_SET) )
{
libirc_remove_dcc_session (session, dcc, 1);
session->lasterror = LIBIRC_ERR_NODCCSEND;
return 1;
}
if ( getsockname (dcc->sock, (struct sockaddr*) &saddr, &len) < 0 )
{
libirc_remove_dcc_session (session, dcc, 1);
session->lasterror = LIBIRC_ERR_SOCKET;
return 1;
}
// Remove path from the filename
if ( (p = strrchr (filename, '\\')) == 0
&& (p = strrchr (filename, '/')) == 0 )
p = filename;
else
p++; // skip directory slash
sprintf (notbuf, "DCC Send %s (%s)", p, inet_ntoa (saddr.sin_addr));
sprintf (cmdbuf, "DCC SEND %s %lu %u %ld", p, (unsigned long) ntohl (saddr.sin_addr.s_addr), ntohs (saddr.sin_port), filesize);
if ( irc_cmd_notice (session, nick, notbuf)
|| irc_cmd_ctcp_request (session, nick, cmdbuf) )
{
libirc_remove_dcc_session (session, dcc, 1);
return 1;
}
*dccid = dcc->id;
dcc->cb = callback;
return 0;
}

54
external/IRC/dcc.h vendored Normal file
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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
#ifndef INCLUDE_IRC_DCC_H
#define INCLUDE_IRC_DCC_H
/*
* This structure keeps the state of a single DCC connection.
*/
struct irc_dcc_session_s
{
irc_dcc_session_t * next;
irc_dcc_t id;
void * ctx;
socket_t sock; /*!< DCC socket */
int dccmode; /*!< Boolean value to differ chat vs send
requests. Changes the cb behavior - when
it is chat, data is sent by lines with
stripped CRLFs. In file mode, the data
is sent as-is */
int state;
time_t timeout;
FILE * dccsend_file_fp;
unsigned int received_file_size;
unsigned int file_confirm_offset;
struct sockaddr_in remote_addr;
char incoming_buf[LIBIRC_DCC_BUFFER_SIZE];
unsigned int incoming_offset;
char outgoing_buf[LIBIRC_DCC_BUFFER_SIZE];
unsigned int outgoing_offset;
port_mutex_t mutex_outbuf;
irc_dcc_callback_t cb;
};
#endif /* INCLUDE_IRC_DCC_H */

54
external/IRC/errors.c vendored Normal file
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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
static const char * libirc_strerror[LIBIRC_ERR_MAX] =
{
"No error",
"Invalid argument",
"Host not resolved",
"Socket error",
"Could not connect",
"Remote connection closed",
"Out of memory",
"Could not accept new connection",
"Object not found",
"Could not DCC send this object",
"Read error",
"Write error",
"Illegal operation for this state",
"Timeout error",
"Could not open file",
"IRC session terminated",
"IPv6 not supported",
"SSL not supported",
"SSL initialization failed",
"SSL connection failed",
"SSL certificate verify failed",
};
int irc_errno (irc_session_t * session)
{
return session->lasterror;
}
const char * irc_strerror (int ircerrno)
{
if ( ircerrno >= 0 && ircerrno < LIBIRC_ERR_MAX )
return libirc_strerror[ircerrno];
else
return "Invalid irc_errno value";
}

1258
external/IRC/libircclient.c vendored Normal file
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File diff suppressed because it is too large Load Diff

36
external/IRC/params.h vendored Normal file
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@ -0,0 +1,36 @@
/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
#ifndef INCLUDE_IRC_PARAMS_H
#define INCLUDE_IRC_PARAMS_H
#define LIBIRC_VERSION_HIGH 1
#define LIBIRC_VERSION_LOW 8
#define LIBIRC_BUFFER_SIZE 1024
#define LIBIRC_DCC_BUFFER_SIZE 1024
#define LIBIRC_STATE_INIT 0
#define LIBIRC_STATE_LISTENING 1
#define LIBIRC_STATE_CONNECTING 2
#define LIBIRC_STATE_CONNECTED 3
#define LIBIRC_STATE_DISCONNECTED 4
#define LIBIRC_STATE_CONFIRM_SIZE 5 // Used only by DCC send to confirm the amount of sent data
#define LIBIRC_STATE_REMOVED 10 // this state is used only in DCC
#define SSL_PREFIX '#'
#endif /* INCLUDE_IRC_PARAMS_H */

156
external/IRC/portable.c vendored Normal file
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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
#if !defined (_WIN32)
#include "config.h"
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <fcntl.h>
#include <errno.h>
#include <ctype.h>
#include <time.h>
#if defined (ENABLE_THREADS)
#include <pthread.h>
typedef pthread_mutex_t port_mutex_t;
#if !defined (PTHREAD_MUTEX_RECURSIVE) && defined (PTHREAD_MUTEX_RECURSIVE_NP)
#define PTHREAD_MUTEX_RECURSIVE PTHREAD_MUTEX_RECURSIVE_NP
#endif
#endif
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#include <windows.h>
#include <time.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <sys/stat.h>
#if defined (ENABLE_THREADS)
typedef CRITICAL_SECTION port_mutex_t;
#endif
#define inline
#define snprintf _snprintf
#define vsnprintf _vsnprintf
#define strncasecmp _strnicmp
#endif
#if defined (ENABLE_SSL)
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#endif
#if defined (ENABLE_THREADS)
static inline int libirc_mutex_init (port_mutex_t * mutex)
{
#if defined (_WIN32)
InitializeCriticalSection (mutex);
return 0;
#elif defined (PTHREAD_MUTEX_RECURSIVE)
pthread_mutexattr_t attr;
return (pthread_mutexattr_init (&attr)
|| pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE)
|| pthread_mutex_init (mutex, &attr));
#else /* !defined (PTHREAD_MUTEX_RECURSIVE) */
return pthread_mutex_init (mutex, 0);
#endif /* defined (_WIN32) */
}
static inline void libirc_mutex_destroy (port_mutex_t * mutex)
{
#if defined (_WIN32)
DeleteCriticalSection (mutex);
#else
pthread_mutex_destroy (mutex);
#endif
}
static inline void libirc_mutex_lock (port_mutex_t * mutex)
{
#if defined (_WIN32)
EnterCriticalSection (mutex);
#else
pthread_mutex_lock (mutex);
#endif
}
static inline void libirc_mutex_unlock (port_mutex_t * mutex)
{
#if defined (_WIN32)
LeaveCriticalSection (mutex);
#else
pthread_mutex_unlock (mutex);
#endif
}
#else
typedef void * port_mutex_t;
static inline int libirc_mutex_init (port_mutex_t * mutex) { return 0; }
static inline void libirc_mutex_destroy (port_mutex_t * mutex) {}
static inline void libirc_mutex_lock (port_mutex_t * mutex) {}
static inline void libirc_mutex_unlock (port_mutex_t * mutex) {}
#endif
/*
* Stub for WIN32 dll to initialize winsock API
*/
#if defined (WIN32_DLL)
BOOL WINAPI DllMain (HINSTANCE hinstDll, DWORD fdwReason, LPVOID lpvReserved)
{
WORD wVersionRequested = MAKEWORD (1, 1);
WSADATA wsaData;
switch(fdwReason)
{
case DLL_PROCESS_ATTACH:
if ( WSAStartup (wVersionRequested, &wsaData) != 0 )
return FALSE;
DisableThreadLibraryCalls (hinstDll);
break;
case DLL_PROCESS_DETACH:
WSACleanup();
break;
}
return TRUE;
}
#endif

79
external/IRC/session.h vendored Normal file
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@ -0,0 +1,79 @@
/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
#ifndef INCLUDE_IRC_SESSION_H
#define INCLUDE_IRC_SESSION_H
#include "params.h"
#include "dcc.h"
#include "libirc_events.h"
// Session flags
#define SESSIONFL_MOTD_RECEIVED (0x00000001)
#define SESSIONFL_SSL_CONNECTION (0x00000002)
#define SESSIONFL_SSL_WRITE_WANTS_READ (0x00000004)
#define SESSIONFL_SSL_READ_WANTS_WRITE (0x00000008)
#define SESSIONFL_USES_IPV6 (0x00000010)
struct irc_session_s
{
void * ctx;
int dcc_timeout;
int options;
int lasterror;
char incoming_buf[LIBIRC_BUFFER_SIZE];
unsigned int incoming_offset;
char outgoing_buf[LIBIRC_BUFFER_SIZE];
unsigned int outgoing_offset;
port_mutex_t mutex_session;
socket_t sock;
int state;
int flags;
char * server;
char * server_password;
char * realname;
char * username;
char * nick;
char * ctcp_version;
#if defined( ENABLE_IPV6 )
struct in6_addr local_addr6;
#endif
struct in_addr local_addr;
irc_dcc_t dcc_last_id;
irc_dcc_session_t * dcc_sessions;
port_mutex_t mutex_dcc;
irc_callbacks_t callbacks;
#if defined (ENABLE_SSL)
SSL * ssl;
#endif
};
#endif /* INCLUDE_IRC_SESSION_H */

159
external/IRC/sockets.c vendored Normal file
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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
/*
* The sockets interface was moved out to simplify going OpenSSL integration.
*/
#if !defined (_WIN32)
#include <sys/socket.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <fcntl.h>
#define IS_SOCKET_ERROR(a) ((a)<0)
typedef int socket_t;
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#include <windows.h>
#define IS_SOCKET_ERROR(a) ((a)==SOCKET_ERROR)
#if !defined(EWOULDBLOCK)
#define EWOULDBLOCK WSAEWOULDBLOCK
#endif
#if !defined(EINPROGRESS)
#define EINPROGRESS WSAEINPROGRESS
#endif
#if !defined(EINTR)
#define EINTR WSAEINTR
#endif
#if !defined(EAGAIN)
#define EAGAIN EWOULDBLOCK
#endif
typedef SOCKET socket_t;
#endif
#ifndef INADDR_NONE
#define INADDR_NONE 0xFFFFFFFF
#endif
static int socket_error()
{
#if !defined (_WIN32)
return errno;
#else
return WSAGetLastError();
#endif
}
static int socket_create (int domain, int type, socket_t * sock)
{
*sock = socket (domain, type, 0);
return IS_SOCKET_ERROR(*sock) ? 1 : 0;
}
static int socket_make_nonblocking (socket_t * sock)
{
#if !defined (_WIN32)
return fcntl (*sock, F_SETFL, fcntl (*sock, F_GETFL,0 ) | O_NONBLOCK) != 0;
#else
unsigned long mode = 0;
return ioctlsocket (*sock, FIONBIO, &mode) == SOCKET_ERROR;
#endif
}
static int socket_close (socket_t * sock)
{
#if !defined (_WIN32)
close (*sock);
#else
closesocket (*sock);
#endif
*sock = -1;
return 0;
}
static int socket_connect (socket_t * sock, const struct sockaddr *saddr, socklen_t len)
{
while ( 1 )
{
if ( connect (*sock, saddr, len) < 0 )
{
if ( socket_error() == EINTR )
continue;
if ( socket_error() != EINPROGRESS && socket_error() != EWOULDBLOCK )
return 1;
}
return 0;
}
}
static int socket_accept (socket_t * sock, socket_t * newsock, struct sockaddr *saddr, socklen_t * len)
{
while ( IS_SOCKET_ERROR(*newsock = accept (*sock, saddr, len)) )
{
if ( socket_error() == EINTR )
continue;
return 1;
}
return 0;
}
static int socket_recv (socket_t * sock, void * buf, size_t len)
{
int length;
while ( (length = recv (*sock, buf, len, 0)) < 0 )
{
int err = socket_error();
if ( err != EINTR && err != EAGAIN )
break;
}
return length;
}
static int socket_send (socket_t * sock, const void *buf, size_t len)
{
int length;
while ( (length = send (*sock, buf, len, 0)) < 0 )
{
int err = socket_error();
if ( err != EINTR && err != EAGAIN )
break;
}
return length;
}

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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
#if defined (ENABLE_SSL)
// Nonzero if OpenSSL has been initialized
static SSL_CTX * ssl_context = 0;
#if defined (_WIN32)
#include <windows.h>
// This array will store all of the mutexes available to OpenSSL
static CRITICAL_SECTION * mutex_buf = 0;
// OpenSSL callback to utilize static locks
static void cb_openssl_locking_function( int mode, int n, const char * file, int line )
{
if ( mode & CRYPTO_LOCK)
EnterCriticalSection( &mutex_buf[n] );
else
LeaveCriticalSection( &mutex_buf[n] );
}
// OpenSSL callback to get the thread ID
static unsigned long cb_openssl_id_function(void)
{
return ((unsigned long) GetCurrentThreadId() );
}
static int alloc_mutexes( unsigned int total )
{
unsigned int i;
// Enable thread safety in OpenSSL
mutex_buf = (CRITICAL_SECTION*) malloc( total * sizeof(CRITICAL_SECTION) );
if ( !mutex_buf )
return -1;
for ( i = 0; i < total; i++)
InitializeCriticalSection( &(mutex_buf[i]) );
return 0;
}
#else
// This array will store all of the mutexes available to OpenSSL
static pthread_mutex_t * mutex_buf = 0;
// OpenSSL callback to utilize static locks
static void cb_openssl_locking_function( int mode, int n, const char * file, int line )
{
(void)file;
(void)line;
if ( mode & CRYPTO_LOCK)
pthread_mutex_lock( &mutex_buf[n] );
else
pthread_mutex_unlock( &mutex_buf[n] );
}
// OpenSSL callback to get the thread ID
static unsigned long cb_openssl_id_function()
{
return ((unsigned long) pthread_self() );
}
static int alloc_mutexes( unsigned int total )
{
unsigned i;
// Enable thread safety in OpenSSL
mutex_buf = (pthread_mutex_t*) malloc( total * sizeof(pthread_mutex_t) );
if ( !mutex_buf )
return -1;
for ( i = 0; i < total; i++)
pthread_mutex_init( &(mutex_buf[i]), 0 );
return 0;
}
#endif
static int ssl_init_context( irc_session_t * session )
{
// Load the strings and init the library
SSL_load_error_strings();
// Enable thread safety in OpenSSL
if ( alloc_mutexes( CRYPTO_num_locks() ) )
return LIBIRC_ERR_NOMEM;
// Register our callbacks
CRYPTO_set_id_callback( cb_openssl_id_function );
CRYPTO_set_locking_callback( cb_openssl_locking_function );
// Init it
if ( !SSL_library_init() )
return LIBIRC_ERR_SSL_INIT_FAILED;
if ( RAND_status() == 0 )
return LIBIRC_ERR_SSL_INIT_FAILED;
// Create an SSL context; currently a single context is used for all connections
ssl_context = SSL_CTX_new( SSLv23_method() );
if ( !ssl_context )
return LIBIRC_ERR_SSL_INIT_FAILED;
// Disable SSLv2 as it is unsecure
if ( (SSL_CTX_set_options( ssl_context, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2) == 0 )
return LIBIRC_ERR_SSL_INIT_FAILED;
// Enable only strong ciphers
if ( SSL_CTX_set_cipher_list( ssl_context, "ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH" ) != 1 )
return LIBIRC_ERR_SSL_INIT_FAILED;
// Set the verification
if ( session->options & LIBIRC_OPTION_SSL_NO_VERIFY )
SSL_CTX_set_verify( ssl_context, SSL_VERIFY_NONE, 0 );
else
SSL_CTX_set_verify( ssl_context, SSL_VERIFY_PEER, 0 );
// Disable session caching
SSL_CTX_set_session_cache_mode( ssl_context, SSL_SESS_CACHE_OFF );
// Enable SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER so we can move the buffer during sending
SSL_CTX_set_mode( ssl_context, SSL_CTX_get_mode(ssl_context) | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER | SSL_MODE_ENABLE_PARTIAL_WRITE );
return 0;
}
#if defined (_WIN32)
#define SSLINIT_LOCK_MUTEX(a) WaitForSingleObject( a, INFINITE )
#define SSLINIT_UNLOCK_MUTEX(a) ReleaseMutex( a )
#else
#define SSLINIT_LOCK_MUTEX(a) pthread_mutex_lock( &a )
#define SSLINIT_UNLOCK_MUTEX(a) pthread_mutex_unlock( &a )
#endif
// Initializes the SSL context. Must be called after the socket is created.
static int ssl_init( irc_session_t * session )
{
static int ssl_context_initialized = 0;
#if defined (_WIN32)
static HANDLE initmutex = 0;
// First time run? Create the mutex
if ( initmutex == 0 )
{
HANDLE m = CreateMutex( 0, FALSE, 0 );
// Now we check if the mutex has already been created by another thread performing the init concurrently.
// If it was, we close our mutex and use the original one. This could be done synchronously by using the
// InterlockedCompareExchangePointer function.
if ( InterlockedCompareExchangePointer( &m, m, 0 ) != 0 )
CloseHandle( m );
}
#else
static pthread_mutex_t initmutex = PTHREAD_MUTEX_INITIALIZER;
#endif
// This initialization needs to be performed only once. The problem is that it is called from
// irc_connect() and this function may be called simultaneously from different threads. So we have
// to use mutex on Linux because it allows static mutex initialization. Windows doesn't, so here
// we do the sabre dance around it.
SSLINIT_LOCK_MUTEX( initmutex );
if ( ssl_context_initialized == 0 )
{
int res = ssl_init_context( session );
if ( res )
{
SSLINIT_UNLOCK_MUTEX( initmutex );
return res;
}
ssl_context_initialized = 1;
}
SSLINIT_UNLOCK_MUTEX( initmutex );
// Get the SSL context
session->ssl = SSL_new( ssl_context );
if ( !session->ssl )
return LIBIRC_ERR_SSL_INIT_FAILED;
// Let OpenSSL use our socket
if ( SSL_set_fd( session->ssl, session->sock) != 1 )
return LIBIRC_ERR_SSL_INIT_FAILED;
// Since we're connecting on our own, tell openssl about it
SSL_set_connect_state( session->ssl );
return 0;
}
static void ssl_handle_error( irc_session_t * session, int ssl_error )
{
if ( ERR_GET_LIB(ssl_error) == ERR_LIB_SSL )
{
if ( ERR_GET_REASON(ssl_error) == SSL_R_CERTIFICATE_VERIFY_FAILED )
{
session->lasterror = LIBIRC_ERR_SSL_CERT_VERIFY_FAILED;
return;
}
if ( ERR_GET_REASON(ssl_error) == SSL_R_UNKNOWN_PROTOCOL )
{
session->lasterror = LIBIRC_ERR_CONNECT_SSL_FAILED;
return;
}
}
#if defined (ENABLE_DEBUG)
if ( IS_DEBUG_ENABLED(session) )
fprintf (stderr, "[DEBUG] SSL error: %s\n\t(%d, %d)\n",
ERR_error_string( ssl_error, NULL), ERR_GET_LIB( ssl_error), ERR_GET_REASON(ssl_error) );
#endif
}
static int ssl_recv( irc_session_t * session )
{
int count;
unsigned int amount = (sizeof (session->incoming_buf) - 1) - session->incoming_offset;
ERR_clear_error();
// Read up to m_bufferLength bytes
count = SSL_read( session->ssl, session->incoming_buf + session->incoming_offset, amount );
if ( count > 0 )
return count;
else if ( count == 0 )
return -1; // remote connection closed
else
{
int ssl_error = SSL_get_error( session->ssl, count );
// Handle SSL error since not all of them are actually errors
switch ( ssl_error )
{
case SSL_ERROR_WANT_READ:
// This is not really an error. We received something, but
// OpenSSL gave nothing to us because all it read was
// internal data. Repeat the same read.
return 0;
case SSL_ERROR_WANT_WRITE:
// This is not really an error. We received something, but
// now OpenSSL needs to send the data before returning any
// data to us (like negotiations). This means we'd need
// to wait for WRITE event, but call SSL_read() again.
session->flags |= SESSIONFL_SSL_READ_WANTS_WRITE;
return 0;
}
// This is an SSL error, handle it
ssl_handle_error( session, ERR_get_error() );
}
return -1;
}
static int ssl_send( irc_session_t * session )
{
int count;
ERR_clear_error();
count = SSL_write( session->ssl, session->outgoing_buf, session->outgoing_offset );
if ( count > 0 )
return count;
else if ( count == 0 )
return -1;
else
{
int ssl_error = SSL_get_error( session->ssl, count );
switch ( ssl_error )
{
case SSL_ERROR_WANT_READ:
// This is not really an error. We sent some internal OpenSSL data,
// but now it needs to read more data before it can send anything.
// Thus we wait for READ event, but will call SSL_write() again.
session->flags |= SESSIONFL_SSL_WRITE_WANTS_READ;
return 0;
case SSL_ERROR_WANT_WRITE:
// This is not really an error. We sent some data, but now OpenSSL
// wants to send some internal data before sending ours.
// Repeat the same write.
return 0;
}
// This is an SSL error, handle it
ssl_handle_error( session, ERR_get_error() );
}
return -1;
}
#endif
// Handles both SSL and non-SSL reads.
// Returns -1 in case there is an error and socket should be closed/connection terminated
// Returns 0 in case there is a temporary error and the call should be retried (SSL_WANTS_WRITE case)
// Returns a positive number if we actually read something
static int session_socket_read( irc_session_t * session )
{
int length;
#if defined (ENABLE_SSL)
if ( session->ssl )
{
// Yes, I know this is tricky
if ( session->flags & SESSIONFL_SSL_READ_WANTS_WRITE )
{
session->flags &= ~SESSIONFL_SSL_READ_WANTS_WRITE;
ssl_send( session );
return 0;
}
return ssl_recv( session );
}
#endif
length = socket_recv( &session->sock,
session->incoming_buf + session->incoming_offset,
(sizeof (session->incoming_buf) - 1) - session->incoming_offset );
// There is no "retry" errors for regular sockets
if ( length <= 0 )
return -1;
return length;
}
// Handles both SSL and non-SSL writes.
// Returns -1 in case there is an error and socket should be closed/connection terminated
// Returns 0 in case there is a temporary error and the call should be retried (SSL_WANTS_WRITE case)
// Returns a positive number if we actually sent something
static int session_socket_write( irc_session_t * session )
{
int length;
#if defined (ENABLE_SSL)
if ( session->ssl )
{
// Yep
if ( session->flags & SESSIONFL_SSL_WRITE_WANTS_READ )
{
session->flags &= ~SESSIONFL_SSL_WRITE_WANTS_READ;
ssl_recv( session );
return 0;
}
return ssl_send( session );
}
#endif
length = socket_send (&session->sock, session->outgoing_buf, session->outgoing_offset);
// There is no "retry" errors for regular sockets
if ( length <= 0 )
return -1;
return length;
}

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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
static void libirc_add_to_set (int fd, fd_set *set, int * maxfd)
{
FD_SET (fd, set);
if ( *maxfd < fd )
*maxfd = fd;
}
#if defined (ENABLE_DEBUG)
static void libirc_dump_data (const char * prefix, const char * buf, unsigned int length)
{
printf ("%s: ", prefix);
for ( ; length > 0; length -- )
printf ("%c", *buf++);
}
#endif
/*
* Finds a separator (\x0D\x0A), which separates two lines.
*/
static int libirc_findcrlf (const char * buf, int length)
{
int offset = 0;
for ( ; offset < length; offset++ )
{
if ( buf[offset] == 0x0D && offset < length - 1 && buf[offset+1] == 0x0A )
return offset;
if ( buf[offset] == 0x0A)
return offset;
}
return 0;
}
static int libirc_findcrlf_offset(const char *buf, int offset, const int length)
{
for(; offset < length; offset++)
{
if(buf[offset] != 0x0D && buf[offset] != 0x0A)
{
break;
}
}
return offset;
}
static int libirc_findcrorlf (char * buf, int length)
{
int offset = 0;
for ( ; offset < length; offset++ )
{
if ( buf[offset] == 0x0D || buf[offset] == 0x0A )
{
buf[offset++] = '\0';
if ( offset < (length - 1)
&& (buf[offset] == 0x0D || buf[offset] == 0x0A) )
offset++;
return offset;
}
}
return 0;
}
static void libirc_event_ctcp_internal (irc_session_t * session, const char * event, const char * origin, const char ** params, unsigned int count)
{
(void)event;
(void)count;
if ( origin )
{
char nickbuf[128], textbuf[256];
irc_target_get_nick (origin, nickbuf, sizeof(nickbuf));
if ( strstr (params[0], "PING") == params[0] )
irc_cmd_ctcp_reply (session, nickbuf, params[0]);
else if ( !strcmp (params[0], "VERSION") )
{
if ( !session->ctcp_version )
{
unsigned int high, low;
irc_get_version (&high, &low);
snprintf (textbuf, sizeof (textbuf), "VERSION libircclient by Georgy Yunaev ver.%d.%d", high, low);
}
else
snprintf (textbuf, sizeof (textbuf), "VERSION %s", session->ctcp_version);
irc_cmd_ctcp_reply (session, nickbuf, textbuf);
}
else if ( !strcmp (params[0], "FINGER") )
{
sprintf (textbuf, "FINGER %s (%s) Idle 0 seconds",
session->username ? session->username : "nobody",
session->realname ? session->realname : "noname");
irc_cmd_ctcp_reply (session, nickbuf, textbuf);
}
else if ( !strcmp (params[0], "TIME") )
{
time_t now = time(0);
#if defined (ENABLE_THREADS) && defined (HAVE_LOCALTIME_R)
struct tm tmtmp, *ltime = localtime_r (&now, &tmtmp);
#else
struct tm * ltime = localtime (&now);
#endif
strftime (textbuf, sizeof(textbuf), "%a %b %d %H:%M:%S %Z %Y", ltime);
irc_cmd_ctcp_reply (session, nickbuf, textbuf);
}
}
}

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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
#ifndef INCLUDE_IRC_ERRORS_H
#define INCLUDE_IRC_ERRORS_H
#ifndef IN_INCLUDE_LIBIRC_H
#error This file should not be included directly, include just libircclient.h
#endif
/*! brief No error
* \ingroup errorcodes
*/
#define LIBIRC_ERR_OK 0
/*! \brief Invalid argument
*
* An invalid value was given for one of the arguments to a function.
* For example, supplying the NULL value for \a channel argument of
* irc_cmd_join() produces LIBIRC_ERR_INVAL error. You should fix the code.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_INVAL 1
/*! \brief Could not resolve host.
*
* The host name supplied for irc_connect() function could not be resolved
* into valid IP address. Usually means that host name is invalid.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_RESOLV 2
/*! \brief Could not create socket.
*
* The new socket could not be created or made non-blocking. Usually means
* that the server is out of resources, or (rarely :) a bug in libircclient.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_SOCKET 3
/*! \brief Could not connect.
*
* The socket could not connect to the IRC server, or to the destination DCC
* part. Usually means that either the IRC server is down or its address is
* invalid. For DCC the reason usually is the firewall on your or destination
* computer, which refuses DCC transfer.
*
* \sa irc_run irc_connect
* \ingroup errorcodes
*/
#define LIBIRC_ERR_CONNECT 4
/*! \brief Connection closed by remote peer.
*
* The IRC connection was closed by the IRC server (which could mean that an
* IRC operator just have banned you from the server :)), or the DCC connection
* was closed by remote peer - for example, the other side just quits his mIrc.
* Usually it is not an error.
*
* \sa irc_run irc_connect irc_dcc_callback_t
* \ingroup errorcodes
*/
#define LIBIRC_ERR_CLOSED 5
/*! \brief Out of memory
*
* There are two possible reasons for this error. First is that memory could
* not be allocated for libircclient use, and this error usually is fatal.
* Second reason is that the command queue (which keeps command ready to be
* sent to the IRC server) is full, and could not accept more commands yet.
* In this case you should just wait, and repeat the command later.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_NOMEM 6
/*! \brief Could not accept new connection
*
* A DCC chat/send connection from the remote peer could not be accepted.
* Either the connection was just terminated before it is accepted, or there
* is a bug in libircclient.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_ACCEPT 7
/*! \brief Could not send this
*
* A \a filename supplied to irc_dcc_sendfile() could not be sent. Either is
* is not a file (a directory or a socket, for example), or it is not readable. *
*
* \sa LIBIRC_ERR_OPENFILE
* \ingroup errorcodes
*/
#define LIBIRC_ERR_NODCCSEND 9
/*! \brief Could not read DCC file or socket
*
* Either a DCC file could not be read (for example, was truncated during
* sending), or a DCC socket returns a read error, which usually means that
* the network connection is terminated.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_READ 10
/*! \brief Could not write DCC file or socket
*
* Either a DCC file could not be written (for example, there is no free space
* on disk), or a DCC socket returns a write error, which usually means that
* the network connection is terminated.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_WRITE 11
/*! \brief Invalid state
*
* The function is called when it is not allowed to be called. For example,
* irc_cmd_join() was called before the connection to IRC server succeed, and
* ::event_connect is called.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_STATE 12
/*! \brief Operation timed out
*
* The DCC request is timed out.
* There is a timer for each DCC request, which tracks connecting, accepting
* and non-accepted/declined DCC requests. For every request this timer
* is currently 60 seconds. If the DCC request was not connected, accepted
* or declined during this time, it will be terminated with this error.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_TIMEOUT 13
/*! \brief Could not open file for DCC send
*
* The file specified in irc_dcc_sendfile() could not be opened.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_OPENFILE 14
/*! \brief IRC server connection terminated
*
* The connection to the IRC server was terminated - possibly, by network
* error. Try to irc_connect() again.
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_TERMINATED 15
/*! \brief IPv6 not supported
*
* The function which requires IPv6 support was called, but the IPv6 support was not compiled
* into the application
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_NOIPV6 16
/*! \brief SSL not supported
*
* The SSL connection was required but the library was not compiled with SSL support
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_SSL_NOT_SUPPORTED 17
/*! \brief SSL initialization failed
*
* The SSL connection was required but the library was not compiled with SSL support
*
* \ingroup errorcodes
*/
#define LIBIRC_ERR_SSL_INIT_FAILED 18
/*! \brief SSL connection failed
*
* SSL handshare failed when attempting to connect to the server. Typically this means you're trying
* to use SSL but attempting to connect to a non-SSL port.
* \ingroup errorcodes
*/
#define LIBIRC_ERR_CONNECT_SSL_FAILED 19
/*! \brief SSL certificate verify failed
*
* The server is using the self-signed certificate. Use LIBIRC_OPTION_SSL_NO_VERIFY option to connect to it.
* \ingroup errorcodes
*/
#define LIBIRC_ERR_SSL_CERT_VERIFY_FAILED 20
// Internal max error value count.
// If you added more errors, add them to errors.c too!
#define LIBIRC_ERR_MAX 21
#endif /* INCLUDE_IRC_ERRORS_H */

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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
#ifndef INCLUDE_IRC_EVENTS_H
#define INCLUDE_IRC_EVENTS_H
#ifndef IN_INCLUDE_LIBIRC_H
#error This file should not be included directly, include just libircclient.h
#endif
/*!
* \fn typedef void (*irc_event_callback_t) (irc_session_t * session, const char * event, const char * origin, const char ** params, unsigned int count)
* \brief A most common event callback
*
* \param session the session, which generates an event
* \param event the text name of the event. Useful in case you use a single
* event handler for several events simultaneously.
* \param origin the originator of the event. See the note below.
* \param params a list of event params. Depending on the event nature, it
* could have zero or more params. The actual number of params
* is specified in count. None of the params can be NULL, but
* 'params' pointer itself could be NULL for some events.
* \param count the total number of params supplied.
*
* Every event generates a callback. This callback is generated by most events.
* Depending on the event nature, it can provide zero or more params. For each
* event, the number of provided params is fixed, and their meaning is
* described.
*
* Every event has origin, though the \a origin variable may be NULL, which
* means that event origin is unknown. The origin usually looks like
* nick!host\@ircserver, i.e. like tim!home\@irc.krasnogorsk.ru. Such origins
* can not be used in IRC commands, and need to be stripped (i.e. host and
* server part should be cut off) before using. This can be done either
* explicitly, by calling irc_target_get_nick(), or implicitly for all the
* events - by setting the #LIBIRC_OPTION_STRIPNICKS option with irc_option_set().
*
* \ingroup events
*/
typedef void (*irc_event_callback_t) (irc_session_t * session, const char * event, const char * origin, const char ** params, unsigned int count);
/*!
* \fn typedef void (*irc_eventcode_callback_t) (irc_session_t * session, unsigned int event, const char * origin, const char ** params, unsigned int count)
* \brief A numeric event callback
*
* \param session the session, which generates an event
* \param event the numeric code of the event. Useful in case you use a
* single event handler for several events simultaneously.
* \param origin the originator of the event. See the note below.
* \param params a list of event params. Depending on the event nature, it
* could have zero or more params. The actual number of params
* is specified in count. None of the params can be NULL, but
* 'params' pointer itself could be NULL for some events.
* \param count the total number of params supplied.
*
* Most times in reply to your actions the IRC server generates numeric
* callbacks. Most of them are error codes, and some of them mark list start
* and list stop markers. Every code has its own set of params; for details
* you can either experiment, or read RFC 1459.
*
* Every event has origin, though the \a origin variable may be NULL, which
* means that event origin is unknown. The origin usually looks like
* nick!host\@ircserver, i.e. like tim!home\@irc.krasnogorsk.ru. Such origins
* can not be used in IRC commands, and need to be stripped (i.e. host and
* server part should be cut off) before using. This can be done either
* explicitly, by calling irc_target_get_nick(), or implicitly for all the
* events - by setting the #LIBIRC_OPTION_STRIPNICKS option with irc_option_set().
*
* \ingroup events
*/
typedef void (*irc_eventcode_callback_t) (irc_session_t * session, unsigned int event, const char * origin, const char ** params, unsigned int count);
/*!
* \fn typedef void (*irc_event_dcc_chat_t) (irc_session_t * session, const char * nick, const char * addr, irc_dcc_t dccid)
* \brief A remote DCC CHAT request callback
*
* \param session the session, which generates an event
* \param nick the person who requested DCC CHAT with you.
* \param addr the person's IP address in decimal-dot notation.
* \param dccid an id associated with this request. Use it in calls to
* irc_dcc_accept() or irc_dcc_decline().
*
* This callback is called when someone requests DCC CHAT with you. In respond
* you should call either irc_dcc_accept() to accept chat request, or
* irc_dcc_decline() to decline chat request.
*
* \sa irc_dcc_accept or irc_dcc_decline
* \ingroup events
*/
typedef void (*irc_event_dcc_chat_t) (irc_session_t * session, const char * nick, const char * addr, irc_dcc_t dccid);
/*!
* \fn typedef void (*irc_event_dcc_send_t) (irc_session_t * session, const char * nick, const char * addr, const char * filename, unsigned long size, irc_dcc_t dccid)
* \brief A remote DCC CHAT request callback
*
* \param session the session, which generates an event
* \param nick the person who requested DCC CHAT with you.
* \param addr the person's IP address in decimal-dot notation.
* \param filename the sent filename.
* \param size the filename size.
* \param dccid an id associated with this request. Use it in calls to
* irc_dcc_accept() or irc_dcc_decline().
*
* This callback is called when someone wants to send a file to you using
* DCC SEND. As with chat, in respond you should call either irc_dcc_accept()
* to accept this request and receive the file, or irc_dcc_decline() to
* decline this request.
*
* \sa irc_dcc_accept or irc_dcc_decline
* \ingroup events
*/
typedef void (*irc_event_dcc_send_t) (irc_session_t * session, const char * nick, const char * addr, const char * filename, unsigned long size, irc_dcc_t dccid);
/*! \brief Event callbacks structure.
*
* All the communication with the IRC network is based on events. Generally
* speaking, event is anything generated by someone else in the network,
* or by the IRC server itself. "Someone sends you a message", "Someone
* has joined the channel", "Someone has quits IRC" - all these messages
* are events.
*
* Every event has its own event handler, which is called when the
* appropriate event is received. You don't have to define all the event
* handlers; define only the handlers for the events you need to intercept.
*
* Most event callbacks are the types of ::irc_event_callback_t. There are
* also events, which generate ::irc_eventcode_callback_t,
* ::irc_event_dcc_chat_t and ::irc_event_dcc_send_t callbacks.
*
* \ingroup events
*/
typedef struct
{
/*!
* The "on_connect" event is triggered when the client successfully
* connects to the server, and could send commands to the server.
* No extra params supplied; \a params is 0.
*/
irc_event_callback_t event_connect;
/*!
* The "nick" event is triggered when the client receives a NICK message,
* meaning that someone (including you) on a channel with the client has
* changed their nickname.
*
* \param origin the person, who changes the nick. Note that it can be you!
* \param params[0] mandatory, contains the new nick.
*/
irc_event_callback_t event_nick;
/*!
* The "quit" event is triggered upon receipt of a QUIT message, which
* means that someone on a channel with the client has disconnected.
*
* \param origin the person, who is disconnected
* \param params[0] optional, contains the reason message (user-specified).
*/
irc_event_callback_t event_quit;
/*!
* The "join" event is triggered upon receipt of a JOIN message, which
* means that someone has entered a channel that the client is on.
*
* \param origin the person, who joins the channel. By comparing it with
* your own nickname, you can check whether your JOIN
* command succeed.
* \param params[0] mandatory, contains the channel name.
*/
irc_event_callback_t event_join;
/*!
* The "part" event is triggered upon receipt of a PART message, which
* means that someone has left a channel that the client is on.
*
* \param origin the person, who leaves the channel. By comparing it with
* your own nickname, you can check whether your PART
* command succeed.
* \param params[0] mandatory, contains the channel name.
* \param params[1] optional, contains the reason message (user-defined).
*/
irc_event_callback_t event_part;
/*!
* The "mode" event is triggered upon receipt of a channel MODE message,
* which means that someone on a channel with the client has changed the
* channel's parameters.
*
* \param origin the person, who changed the channel mode.
* \param params[0] mandatory, contains the channel name.
* \param params[1] mandatory, contains the changed channel mode, like
* '+t', '-i' and so on.
* \param params[2] optional, contains the mode argument (for example, a
* key for +k mode, or user who got the channel operator status for
* +o mode)
*/
irc_event_callback_t event_mode;
/*!
* The "umode" event is triggered upon receipt of a user MODE message,
* which means that your user mode has been changed.
*
* \param origin the person, who changed the channel mode.
* \param params[0] mandatory, contains the user changed mode, like
* '+t', '-i' and so on.
*/
irc_event_callback_t event_umode;
/*!
* The "topic" event is triggered upon receipt of a TOPIC message, which
* means that someone on a channel with the client has changed the
* channel's topic.
*
* \param origin the person, who changes the channel topic.
* \param params[0] mandatory, contains the channel name.
* \param params[1] optional, contains the new topic.
*/
irc_event_callback_t event_topic;
/*!
* The "kick" event is triggered upon receipt of a KICK message, which
* means that someone on a channel with the client (or possibly the
* client itself!) has been forcibly ejected.
*
* \param origin the person, who kicked the poor.
* \param params[0] mandatory, contains the channel name.
* \param params[0] optional, contains the nick of kicked person.
* \param params[1] optional, contains the kick text
*/
irc_event_callback_t event_kick;
/*!
* The "channel" event is triggered upon receipt of a PRIVMSG message
* to an entire channel, which means that someone on a channel with
* the client has said something aloud. Your own messages don't trigger
* PRIVMSG event.
*
* \param origin the person, who generates the message.
* \param params[0] mandatory, contains the channel name.
* \param params[1] optional, contains the message text
*/
irc_event_callback_t event_channel;
/*!
* The "privmsg" event is triggered upon receipt of a PRIVMSG message
* which is addressed to one or more clients, which means that someone
* is sending the client a private message.
*
* \param origin the person, who generates the message.
* \param params[0] mandatory, contains your nick.
* \param params[1] optional, contains the message text
*/
irc_event_callback_t event_privmsg;
/*!
* The "notice" event is triggered upon receipt of a NOTICE message
* which means that someone has sent the client a public or private
* notice. According to RFC 1459, the only difference between NOTICE
* and PRIVMSG is that you should NEVER automatically reply to NOTICE
* messages. Unfortunately, this rule is frequently violated by IRC
* servers itself - for example, NICKSERV messages require reply, and
* are NOTICEs.
*
* \param origin the person, who generates the message.
* \param params[0] mandatory, contains the target nick name.
* \param params[1] optional, contains the message text
*/
irc_event_callback_t event_notice;
/*!
* The "channel_notice" event is triggered upon receipt of a NOTICE
* message which means that someone has sent the client a public
* notice. According to RFC 1459, the only difference between NOTICE
* and PRIVMSG is that you should NEVER automatically reply to NOTICE
* messages. Unfortunately, this rule is frequently violated by IRC
* servers itself - for example, NICKSERV messages require reply, and
* are NOTICEs.
*
* \param origin the person, who generates the message.
* \param params[0] mandatory, contains the channel name.
* \param params[1] optional, contains the message text
*/
irc_event_callback_t event_channel_notice;
/*!
* The "invite" event is triggered upon receipt of an INVITE message,
* which means that someone is permitting the client's entry into a +i
* channel.
*
* \param origin the person, who INVITEs you.
* \param params[0] mandatory, contains your nick.
* \param params[1] mandatory, contains the channel name you're invited into.
*
* \sa irc_cmd_invite irc_cmd_chanmode_invite
*/
irc_event_callback_t event_invite;
/*!
* The "ctcp" event is triggered when the client receives the CTCP
* request. By default, the built-in CTCP request handler is used. The
* build-in handler automatically replies on most CTCP messages, so you
* will rarely need to override it.
*
* \param origin the person, who generates the message.
* \param params[0] mandatory, the complete CTCP message, including its
* arguments.
*
* Mirc generates PING, FINGER, VERSION, TIME and ACTION messages,
* check the source code of \c libirc_event_ctcp_internal function to
* see how to write your own CTCP request handler. Also you may find
* useful this question in FAQ: \ref faq4
*/
irc_event_callback_t event_ctcp_req;
/*!
* The "ctcp" event is triggered when the client receives the CTCP reply.
*
* \param origin the person, who generates the message.
* \param params[0] mandatory, the CTCP message itself with its arguments.
*/
irc_event_callback_t event_ctcp_rep;
/*!
* The "action" event is triggered when the client receives the CTCP
* ACTION message. These messages usually looks like:\n
* \code
* [23:32:55] * Tim gonna sleep.
* \endcode
*
* \param origin the person, who generates the message.
* \param params[0] mandatory, the ACTION message.
*/
irc_event_callback_t event_ctcp_action;
/*!
* The "unknown" event is triggered upon receipt of any number of
* unclassifiable miscellaneous messages, which aren't handled by the
* library.
*/
irc_event_callback_t event_unknown;
/*!
* The "numeric" event is triggered upon receipt of any numeric response
* from the server. There is a lot of such responses, see the full list
* here: \ref rfcnumbers.
*
* See the params in ::irc_eventcode_callback_t specification.
*/
irc_eventcode_callback_t event_numeric;
/*!
* The "dcc chat" event is triggered when someone requests a DCC CHAT from
* you.
*
* See the params in ::irc_event_dcc_chat_t specification.
*/
irc_event_dcc_chat_t event_dcc_chat_req;
/*!
* The "dcc chat" event is triggered when someone wants to send a file
* to you via DCC SEND request.
*
* See the params in ::irc_event_dcc_send_t specification.
*/
irc_event_dcc_send_t event_dcc_send_req;
} irc_callbacks_t;
#endif /* INCLUDE_IRC_EVENTS_H */

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/*
* Copyright (C) 2004-2012 George Yunaev gyunaev@ulduzsoft.com
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*/
#ifndef INCLUDE_IRC_OPTIONS_H
#define INCLUDE_IRC_OPTIONS_H
#ifndef IN_INCLUDE_LIBIRC_H
#error This file should not be included directly, include just libircclient.h
#endif
/*!
* enables additional debug output
* \ingroup options
*/
#define LIBIRC_OPTION_DEBUG (1 << 1)
/*! \brief allows to strip origins automatically.
*
* For every IRC server event, the event origin is sent in standard form:
* nick!host\@ircserver, i.e. like tim!home\@irc.freenet.org. Such origins
* can not be used in IRC commands, and need to be stripped (i.e. host and
* server part should be cut off) before using. This can be done either
* explicitly, by calling irc_target_get_nick(), or implicitly for all the
* events - by setting this option with irc_option_set().
* \ingroup options
*/
#define LIBIRC_OPTION_STRIPNICKS (1 << 2)
/*! \brief Disables the certificate verification for SSL connections
*
* By default the SSL connection authenticy is ensured by verifying that the certificate
* presented by the server is signed by a known trusted certificate authority. Since those
* typically cost money, some IRC servers use the self-signed certificates. They provide the
* benefits of the SSL connection but since they are not signed by the Certificate Authority,
* their authencity cannot be verified. This option, if set, disables the certificate
* verification - the library will accept any certificate presented by the server.
*
* This option must be set before the irc_connect function is called.
* \ingroup options
*/
#define LIBIRC_OPTION_SSL_NO_VERIFY (1 << 3)
#endif /* INCLUDE_IRC_OPTIONS_H */

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