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hexchat/src/common/util.c
TingPing a854234c1f Fix warning
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/* X-Chat
* Copyright (C) 1998 Peter Zelezny.
*
* 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define WANTSOCKET
#include "inet.h" /* make it first to avoid macro redefinitions */
#define __APPLE_API_STRICT_CONFORMANCE
#define _FILE_OFFSET_BITS 64
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef WIN32
#include <sys/timeb.h>
#include <process.h>
#include <io.h>
#include <VersionHelpers.h>
#else
#include <unistd.h>
#include <pwd.h>
#include <sys/time.h>
#include <sys/utsname.h>
#endif
#include "../../config.h"
#include <fcntl.h>
#include <errno.h>
#include "hexchat.h"
#include "hexchatc.h"
#include <ctype.h>
#include "util.h"
#if defined (USING_FREEBSD) || defined (__APPLE__)
#include <sys/sysctl.h>
#endif
#ifdef SOCKS
#include <socks.h>
#endif
/* SASL mechanisms */
#ifdef USE_OPENSSL
#include <openssl/bn.h>
#include <openssl/rand.h>
#include <openssl/blowfish.h>
#include <openssl/aes.h>
#ifndef WIN32
#include <netinet/in.h>
#endif
#endif
#ifndef HAVE_SNPRINTF
#define snprintf g_snprintf
#endif
char *
file_part (char *file)
{
char *filepart = file;
if (!file)
return "";
while (1)
{
switch (*file)
{
case 0:
return (filepart);
case '/':
#ifdef WIN32
case '\\':
#endif
filepart = file + 1;
break;
}
file++;
}
}
void
path_part (char *file, char *path, int pathlen)
{
unsigned char t;
char *filepart = file_part (file);
t = *filepart;
*filepart = 0;
safe_strcpy (path, file, pathlen);
*filepart = t;
}
char * /* like strstr(), but nocase */
nocasestrstr (const char *s, const char *wanted)
{
register const int len = strlen (wanted);
if (len == 0)
return (char *)s;
while (rfc_tolower(*s) != rfc_tolower(*wanted) || g_ascii_strncasecmp (s, wanted, len))
if (*s++ == '\0')
return (char *)NULL;
return (char *)s;
}
char *
errorstring (int err)
{
switch (err)
{
case -1:
return "";
case 0:
return _("Remote host closed socket");
#ifndef WIN32
}
#else
case WSAECONNREFUSED:
return _("Connection refused");
case WSAENETUNREACH:
case WSAEHOSTUNREACH:
return _("No route to host");
case WSAETIMEDOUT:
return _("Connection timed out");
case WSAEADDRNOTAVAIL:
return _("Cannot assign that address");
case WSAECONNRESET:
return _("Connection reset by peer");
}
/* can't use strerror() on Winsock errors! */
if (err >= WSABASEERR)
{
static char tbuf[384];
OSVERSIONINFO osvi;
osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
GetVersionEx (&osvi);
/* FormatMessage works on WSA*** errors starting from Win2000 */
if (osvi.dwMajorVersion >= 5)
{
if (FormatMessageA (FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS |
FORMAT_MESSAGE_MAX_WIDTH_MASK,
NULL, err,
MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
tbuf, sizeof (tbuf), NULL))
{
int len;
char *utf;
tbuf[sizeof (tbuf) - 1] = 0;
len = strlen (tbuf);
if (len >= 2)
tbuf[len - 2] = 0; /* remove the cr-lf */
/* now convert to utf8 */
utf = g_locale_to_utf8 (tbuf, -1, 0, 0, 0);
if (utf)
{
safe_strcpy (tbuf, utf, sizeof (tbuf));
g_free (utf);
return tbuf;
}
}
} /* ! if (osvi.dwMajorVersion >= 5) */
/* fallback to error number */
sprintf (tbuf, "%s %d", _("Error"), err);
return tbuf;
} /* ! if (err >= WSABASEERR) */
#endif /* ! WIN32 */
return strerror (err);
}
int
waitline (int sok, char *buf, int bufsize, int use_recv)
{
int i = 0;
while (1)
{
if (use_recv)
{
if (recv (sok, &buf[i], 1, 0) < 1)
return -1;
} else
{
if (read (sok, &buf[i], 1) < 1)
return -1;
}
if (buf[i] == '\n' || bufsize == i + 1)
{
buf[i] = 0;
return i;
}
i++;
}
}
#ifdef WIN32
/* waitline2 using win32 file descriptor and glib instead of _read. win32 can't _read() sok! */
int
waitline2 (GIOChannel *source, char *buf, int bufsize)
{
int i = 0;
gsize len;
GError *error = NULL;
while (1)
{
g_io_channel_set_buffered (source, FALSE);
g_io_channel_set_encoding (source, NULL, &error);
if (g_io_channel_read_chars (source, &buf[i], 1, &len, &error) != G_IO_STATUS_NORMAL)
{
return -1;
}
if (buf[i] == '\n' || bufsize == i + 1)
{
buf[i] = 0;
return i;
}
i++;
}
}
#endif
/* checks for "~" in a file and expands */
char *
expand_homedir (char *file)
{
#ifndef WIN32
char *user;
struct passwd *pw;
if (file[0] == '~')
{
if (file[1] == '\0' || file[1] == '/')
return g_strconcat (g_get_home_dir (), &file[1], NULL);
char *slash_pos;
user = g_strdup(file);
slash_pos = strchr(user, '/');
if (slash_pos != NULL)
*slash_pos = '\0';
pw = getpwnam(user + 1);
g_free(user);
if (pw == NULL)
return g_strdup(file);
slash_pos = strchr(file, '/');
if (slash_pos == NULL)
return g_strdup (pw->pw_dir);
else
return g_strconcat (pw->pw_dir, slash_pos, NULL);
}
#endif
return g_strdup (file);
}
gchar *
strip_color (const char *text, int len, int flags)
{
char *new_str;
if (len == -1)
len = strlen (text);
new_str = g_malloc (len + 2);
strip_color2 (text, len, new_str, flags);
if (flags & STRIP_ESCMARKUP)
{
char *esc = g_markup_escape_text (new_str, -1);
g_free (new_str);
return esc;
}
return new_str;
}
/* CL: strip_color2 strips src and writes the output at dst; pass the same pointer
in both arguments to strip in place. */
int
strip_color2 (const char *src, int len, char *dst, int flags)
{
int rcol = 0, bgcol = 0;
char *start = dst;
if (len == -1) len = strlen (src);
while (len-- > 0)
{
if (rcol > 0 && (isdigit ((unsigned char)*src) ||
(*src == ',' && isdigit ((unsigned char)src[1]) && !bgcol)))
{
if (src[1] != ',') rcol--;
if (*src == ',')
{
rcol = 2;
bgcol = 1;
}
} else
{
rcol = bgcol = 0;
switch (*src)
{
case '\003': /*ATTR_COLOR: */
if (!(flags & STRIP_COLOR)) goto pass_char;
rcol = 2;
break;
case HIDDEN_CHAR: /* CL: invisible text (for event formats only) */ /* this takes care of the topic */
if (!(flags & STRIP_HIDDEN)) goto pass_char;
break;
case '\007': /*ATTR_BEEP: */
case '\017': /*ATTR_RESET: */
case '\026': /*ATTR_REVERSE: */
case '\002': /*ATTR_BOLD: */
case '\037': /*ATTR_UNDERLINE: */
case '\035': /*ATTR_ITALICS: */
if (!(flags & STRIP_ATTRIB)) goto pass_char;
break;
default:
pass_char:
*dst++ = *src;
}
}
src++;
}
*dst = 0;
return (int) (dst - start);
}
int
strip_hidden_attribute (char *src, char *dst)
{
int len = 0;
while (*src != '\000')
{
if (*src != HIDDEN_CHAR)
{
*dst++ = *src;
len++;
}
src++;
}
return len;
}
#if defined (USING_LINUX) || defined (USING_FREEBSD) || defined (__APPLE__)
static void
get_cpu_info (double *mhz, int *cpus)
{
#ifdef USING_LINUX
char buf[256];
int fh;
*mhz = 0;
*cpus = 0;
fh = open ("/proc/cpuinfo", O_RDONLY); /* linux 2.2+ only */
if (fh == -1)
{
*cpus = 1;
return;
}
while (1)
{
if (waitline (fh, buf, sizeof buf, FALSE) < 0)
break;
if (!strncmp (buf, "cycle frequency [Hz]\t:", 22)) /* alpha */
{
*mhz = atoi (buf + 23) / 1000000;
} else if (!strncmp (buf, "cpu MHz\t\t:", 10)) /* i386 */
{
*mhz = atof (buf + 11) + 0.5;
} else if (!strncmp (buf, "clock\t\t:", 8)) /* PPC */
{
*mhz = atoi (buf + 9);
} else if (!strncmp (buf, "processor\t", 10))
{
(*cpus)++;
}
}
close (fh);
if (!*cpus)
*cpus = 1;
#endif
#ifdef USING_FREEBSD
int mib[2], ncpu;
u_long freq;
size_t len;
freq = 0;
*mhz = 0;
*cpus = 0;
mib[0] = CTL_HW;
mib[1] = HW_NCPU;
len = sizeof(ncpu);
sysctl(mib, 2, &ncpu, &len, NULL, 0);
len = sizeof(freq);
sysctlbyname("machdep.tsc_freq", &freq, &len, NULL, 0);
*cpus = ncpu;
*mhz = (freq / 1000000);
#endif
#ifdef __APPLE__
int mib[2], ncpu;
unsigned long long freq;
size_t len;
freq = 0;
*mhz = 0;
*cpus = 0;
mib[0] = CTL_HW;
mib[1] = HW_NCPU;
len = sizeof(ncpu);
sysctl(mib, 2, &ncpu, &len, NULL, 0);
len = sizeof(freq);
sysctlbyname("hw.cpufrequency", &freq, &len, NULL, 0);
*cpus = ncpu;
*mhz = (freq / 1000000);
#endif
}
#endif
#ifdef WIN32
static int
get_mhz (void)
{
HKEY hKey;
int result, data, dataSize;
if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, "Hardware\\Description\\System\\"
"CentralProcessor\\0", 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
{
dataSize = sizeof (data);
result = RegQueryValueEx (hKey, "~MHz", 0, 0, (LPBYTE)&data, &dataSize);
RegCloseKey (hKey);
if (result == ERROR_SUCCESS)
return data;
}
return 0; /* fails on Win9x */
}
int
get_cpu_arch (void)
{
SYSTEM_INFO si;
GetSystemInfo (&si);
if (si.wProcessorArchitecture == 9)
{
return 64;
}
else
{
return 86;
}
}
char *
get_sys_str (int with_cpu)
{
static char verbuf[64];
static char winver[20];
double mhz;
if (IsWindows8Point1OrGreater ())
{
if (IsWindowsServer ())
{
strcpy (winver, "Server 2012 R2");
}
else
{
strcpy (winver, "8.1");
}
}
else if (IsWindows8OrGreater ())
{
if (IsWindowsServer ())
{
strcpy (winver, "Server 2012");
}
else
{
strcpy (winver, "8");
}
}
else if (IsWindows7SP1OrGreater ())
{
if (IsWindowsServer ())
{
strcpy (winver, "Server 2008 R2 SP1");
}
else
{
strcpy (winver, "7 SP1");
}
}
else if (IsWindows7OrGreater ())
{
if (IsWindowsServer ())
{
strcpy (winver, "Server 2008 R2");
}
else
{
strcpy (winver, "7");
}
}
else if (IsWindowsVistaSP2OrGreater ())
{
if (IsWindowsServer ())
{
strcpy (winver, "Server 2008 SP2");
}
else
{
strcpy (winver, "Vista SP2");
}
}
else if (IsWindowsVistaSP1OrGreater ())
{
if (IsWindowsServer ())
{
strcpy (winver, "Server 2008 SP1");
}
else
{
strcpy (winver, "Vista SP1");
}
}
else if (IsWindowsVistaOrGreater ())
{
if (IsWindowsServer ())
{
strcpy (winver, "Server 2008");
}
else
{
strcpy (winver, "Vista");
}
}
else
{
strcpy (winver, "Unknown");
}
mhz = get_mhz ();
if (mhz && with_cpu)
{
double cpuspeed = ( mhz > 1000 ) ? mhz / 1000 : mhz;
const char *cpuspeedstr = ( mhz > 1000 ) ? "GHz" : "MHz";
sprintf (verbuf, "Windows %s [%.2f%s]", winver, cpuspeed, cpuspeedstr);
}
else
{
sprintf (verbuf, "Windows %s", winver);
}
return verbuf;
}
#else
char *
get_sys_str (int with_cpu)
{
#if defined (USING_LINUX) || defined (USING_FREEBSD) || defined (__APPLE__)
double mhz;
#endif
int cpus = 1;
struct utsname un;
static char *buf = NULL;
if (buf)
return buf;
buf = malloc (128);
uname (&un);
#if defined (USING_LINUX) || defined (USING_FREEBSD) || defined (__APPLE__)
get_cpu_info (&mhz, &cpus);
if (mhz && with_cpu)
{
double cpuspeed = ( mhz > 1000 ) ? mhz / 1000 : mhz;
const char *cpuspeedstr = ( mhz > 1000 ) ? "GHz" : "MHz";
snprintf (buf, 128,
(cpus == 1) ? "%s %s [%s/%.2f%s]" : "%s %s [%s/%.2f%s/SMP]",
un.sysname, un.release, un.machine,
cpuspeed, cpuspeedstr);
}
else
#endif
snprintf (buf, 128, "%s %s", un.sysname, un.release);
return buf;
}
#endif
int
buf_get_line (char *ibuf, char **buf, int *position, int len)
{
int pos = *position, spos = pos;
if (pos == len)
return 0;
while (ibuf[pos++] != '\n')
{
if (pos == len)
return 0;
}
pos--;
ibuf[pos] = 0;
*buf = &ibuf[spos];
pos++;
*position = pos;
return 1;
}
int match(const char *mask, const char *string)
{
register const char *m = mask, *s = string;
register char ch;
const char *bm, *bs; /* Will be reg anyway on a decent CPU/compiler */
/* Process the "head" of the mask, if any */
while ((ch = *m++) && (ch != '*'))
switch (ch)
{
case '\\':
if (*m == '?' || *m == '*')
ch = *m++;
default:
if (rfc_tolower(*s) != rfc_tolower(ch))
return 0;
case '?':
if (!*s++)
return 0;
};
if (!ch)
return !(*s);
/* We got a star: quickly find if/where we match the next char */
got_star:
bm = m; /* Next try rollback here */
while ((ch = *m++))
switch (ch)
{
case '?':
if (!*s++)
return 0;
case '*':
bm = m;
continue; /* while */
case '\\':
if (*m == '?' || *m == '*')
ch = *m++;
default:
goto break_while; /* C is structured ? */
};
break_while:
if (!ch)
return 1; /* mask ends with '*', we got it */
ch = rfc_tolower(ch);
while (rfc_tolower(*s++) != ch)
if (!*s)
return 0;
bs = s; /* Next try start from here */
/* Check the rest of the "chunk" */
while ((ch = *m++))
{
switch (ch)
{
case '*':
goto got_star;
case '\\':
if (*m == '?' || *m == '*')
ch = *m++;
default:
if (rfc_tolower(*s) != rfc_tolower(ch))
{
if (!*s)
return 0;
m = bm;
s = bs;
goto got_star;
};
case '?':
if (!*s++)
return 0;
};
};
if (*s)
{
m = bm;
s = bs;
goto got_star;
};
return 1;
}
void
for_files (char *dirname, char *mask, void callback (char *file))
{
GDir *dir;
const gchar *entry_name;
char *buf;
dir = g_dir_open (dirname, 0, NULL);
if (dir)
{
while ((entry_name = g_dir_read_name (dir)))
{
if (strcmp (entry_name, ".") && strcmp (entry_name, ".."))
{
if (match (mask, entry_name))
{
buf = g_build_filename (dirname, entry_name, NULL);
callback (buf);
g_free (buf);
}
}
}
g_dir_close (dir);
}
}
/*void
tolowerStr (char *str)
{
while (*str)
{
*str = rfc_tolower (*str);
str++;
}
}*/
typedef struct
{
char *code, *country;
} domain_t;
static int
country_compare (const void *a, const void *b)
{
return g_ascii_strcasecmp (a, ((domain_t *)b)->code);
}
static const domain_t domain[] =
{
{"AC", N_("Ascension Island") },
{"AD", N_("Andorra") },
{"AE", N_("United Arab Emirates") },
{"AERO", N_("Aviation-Related Fields") },
{"AF", N_("Afghanistan") },
{"AG", N_("Antigua and Barbuda") },
{"AI", N_("Anguilla") },
{"AL", N_("Albania") },
{"AM", N_("Armenia") },
{"AN", N_("Netherlands Antilles") },
{"AO", N_("Angola") },
{"AQ", N_("Antarctica") },
{"AR", N_("Argentina") },
{"ARPA", N_("Reverse DNS") },
{"AS", N_("American Samoa") },
{"ASIA", N_("Asia-Pacific Region") },
{"AT", N_("Austria") },
{"ATO", N_("Nato Fiel") },
{"AU", N_("Australia") },
{"AW", N_("Aruba") },
{"AX", N_("Aland Islands") },
{"AZ", N_("Azerbaijan") },
{"BA", N_("Bosnia and Herzegovina") },
{"BB", N_("Barbados") },
{"BD", N_("Bangladesh") },
{"BE", N_("Belgium") },
{"BF", N_("Burkina Faso") },
{"BG", N_("Bulgaria") },
{"BH", N_("Bahrain") },
{"BI", N_("Burundi") },
{"BIZ", N_("Businesses"), },
{"BJ", N_("Benin") },
{"BM", N_("Bermuda") },
{"BN", N_("Brunei Darussalam") },
{"BO", N_("Bolivia") },
{"BR", N_("Brazil") },
{"BS", N_("Bahamas") },
{"BT", N_("Bhutan") },
{"BV", N_("Bouvet Island") },
{"BW", N_("Botswana") },
{"BY", N_("Belarus") },
{"BZ", N_("Belize") },
{"CA", N_("Canada") },
{"CAT", N_("Catalan") },
{"CC", N_("Cocos Islands") },
{"CD", N_("Democratic Republic of Congo") },
{"CF", N_("Central African Republic") },
{"CG", N_("Congo") },
{"CH", N_("Switzerland") },
{"CI", N_("Cote d'Ivoire") },
{"CK", N_("Cook Islands") },
{"CL", N_("Chile") },
{"CM", N_("Cameroon") },
{"CN", N_("China") },
{"CO", N_("Colombia") },
{"COM", N_("Internic Commercial") },
{"COOP", N_("Cooperatives") },
{"CR", N_("Costa Rica") },
{"CS", N_("Serbia and Montenegro") },
{"CU", N_("Cuba") },
{"CV", N_("Cape Verde") },
{"CX", N_("Christmas Island") },
{"CY", N_("Cyprus") },
{"CZ", N_("Czech Republic") },
{"DD", N_("East Germany") },
{"DE", N_("Germany") },
{"DJ", N_("Djibouti") },
{"DK", N_("Denmark") },
{"DM", N_("Dominica") },
{"DO", N_("Dominican Republic") },
{"DZ", N_("Algeria") },
{"EC", N_("Ecuador") },
{"EDU", N_("Educational Institution") },
{"EE", N_("Estonia") },
{"EG", N_("Egypt") },
{"EH", N_("Western Sahara") },
{"ER", N_("Eritrea") },
{"ES", N_("Spain") },
{"ET", N_("Ethiopia") },
{"EU", N_("European Union") },
{"FI", N_("Finland") },
{"FJ", N_("Fiji") },
{"FK", N_("Falkland Islands") },
{"FM", N_("Micronesia") },
{"FO", N_("Faroe Islands") },
{"FR", N_("France") },
{"GA", N_("Gabon") },
{"GB", N_("Great Britain") },
{"GD", N_("Grenada") },
{"GE", N_("Georgia") },
{"GF", N_("French Guiana") },
{"GG", N_("British Channel Isles") },
{"GH", N_("Ghana") },
{"GI", N_("Gibraltar") },
{"GL", N_("Greenland") },
{"GM", N_("Gambia") },
{"GN", N_("Guinea") },
{"GOV", N_("Government") },
{"GP", N_("Guadeloupe") },
{"GQ", N_("Equatorial Guinea") },
{"GR", N_("Greece") },
{"GS", N_("S. Georgia and S. Sandwich Isles") },
{"GT", N_("Guatemala") },
{"GU", N_("Guam") },
{"GW", N_("Guinea-Bissau") },
{"GY", N_("Guyana") },
{"HK", N_("Hong Kong") },
{"HM", N_("Heard and McDonald Islands") },
{"HN", N_("Honduras") },
{"HR", N_("Croatia") },
{"HT", N_("Haiti") },
{"HU", N_("Hungary") },
{"ID", N_("Indonesia") },
{"IE", N_("Ireland") },
{"IL", N_("Israel") },
{"IM", N_("Isle of Man") },
{"IN", N_("India") },
{"INFO", N_("Informational") },
{"INT", N_("International") },
{"IO", N_("British Indian Ocean Territory") },
{"IQ", N_("Iraq") },
{"IR", N_("Iran") },
{"IS", N_("Iceland") },
{"IT", N_("Italy") },
{"JE", N_("Jersey") },
{"JM", N_("Jamaica") },
{"JO", N_("Jordan") },
{"JOBS", N_("Company Jobs") },
{"JP", N_("Japan") },
{"KE", N_("Kenya") },
{"KG", N_("Kyrgyzstan") },
{"KH", N_("Cambodia") },
{"KI", N_("Kiribati") },
{"KM", N_("Comoros") },
{"KN", N_("St. Kitts and Nevis") },
{"KP", N_("North Korea") },
{"KR", N_("South Korea") },
{"KW", N_("Kuwait") },
{"KY", N_("Cayman Islands") },
{"KZ", N_("Kazakhstan") },
{"LA", N_("Laos") },
{"LB", N_("Lebanon") },
{"LC", N_("Saint Lucia") },
{"LI", N_("Liechtenstein") },
{"LK", N_("Sri Lanka") },
{"LR", N_("Liberia") },
{"LS", N_("Lesotho") },
{"LT", N_("Lithuania") },
{"LU", N_("Luxembourg") },
{"LV", N_("Latvia") },
{"LY", N_("Libya") },
{"MA", N_("Morocco") },
{"MC", N_("Monaco") },
{"MD", N_("Moldova") },
{"ME", N_("Montenegro") },
{"MED", N_("United States Medical") },
{"MG", N_("Madagascar") },
{"MH", N_("Marshall Islands") },
{"MIL", N_("Military") },
{"MK", N_("Macedonia") },
{"ML", N_("Mali") },
{"MM", N_("Myanmar") },
{"MN", N_("Mongolia") },
{"MO", N_("Macau") },
{"MOBI", N_("Mobile Devices") },
{"MP", N_("Northern Mariana Islands") },
{"MQ", N_("Martinique") },
{"MR", N_("Mauritania") },
{"MS", N_("Montserrat") },
{"MT", N_("Malta") },
{"MU", N_("Mauritius") },
{"MUSEUM", N_("Museums") },
{"MV", N_("Maldives") },
{"MW", N_("Malawi") },
{"MX", N_("Mexico") },
{"MY", N_("Malaysia") },
{"MZ", N_("Mozambique") },
{"NA", N_("Namibia") },
{"NAME", N_("Individual's Names") },
{"NC", N_("New Caledonia") },
{"NE", N_("Niger") },
{"NET", N_("Internic Network") },
{"NF", N_("Norfolk Island") },
{"NG", N_("Nigeria") },
{"NI", N_("Nicaragua") },
{"NL", N_("Netherlands") },
{"NO", N_("Norway") },
{"NP", N_("Nepal") },
{"NR", N_("Nauru") },
{"NU", N_("Niue") },
{"NZ", N_("New Zealand") },
{"OM", N_("Oman") },
{"ORG", N_("Internic Non-Profit Organization") },
{"PA", N_("Panama") },
{"PE", N_("Peru") },
{"PF", N_("French Polynesia") },
{"PG", N_("Papua New Guinea") },
{"PH", N_("Philippines") },
{"PK", N_("Pakistan") },
{"PL", N_("Poland") },
{"PM", N_("St. Pierre and Miquelon") },
{"PN", N_("Pitcairn") },
{"PR", N_("Puerto Rico") },
{"PRO", N_("Professions") },
{"PS", N_("Palestinian Territory") },
{"PT", N_("Portugal") },
{"PW", N_("Palau") },
{"PY", N_("Paraguay") },
{"QA", N_("Qatar") },
{"RE", N_("Reunion") },
{"RO", N_("Romania") },
{"RPA", N_("Old School ARPAnet") },
{"RS", N_("Serbia") },
{"RU", N_("Russian Federation") },
{"RW", N_("Rwanda") },
{"SA", N_("Saudi Arabia") },
{"SB", N_("Solomon Islands") },
{"SC", N_("Seychelles") },
{"SD", N_("Sudan") },
{"SE", N_("Sweden") },
{"SG", N_("Singapore") },
{"SH", N_("St. Helena") },
{"SI", N_("Slovenia") },
{"SJ", N_("Svalbard and Jan Mayen Islands") },
{"SK", N_("Slovak Republic") },
{"SL", N_("Sierra Leone") },
{"SM", N_("San Marino") },
{"SN", N_("Senegal") },
{"SO", N_("Somalia") },
{"SR", N_("Suriname") },
{"SS", N_("South Sudan") },
{"ST", N_("Sao Tome and Principe") },
{"SU", N_("Former USSR") },
{"SV", N_("El Salvador") },
{"SY", N_("Syria") },
{"SZ", N_("Swaziland") },
{"TC", N_("Turks and Caicos Islands") },
{"TD", N_("Chad") },
{"TEL", N_("Internet Communication Services") },
{"TF", N_("French Southern Territories") },
{"TG", N_("Togo") },
{"TH", N_("Thailand") },
{"TJ", N_("Tajikistan") },
{"TK", N_("Tokelau") },
{"TL", N_("East Timor") },
{"TM", N_("Turkmenistan") },
{"TN", N_("Tunisia") },
{"TO", N_("Tonga") },
{"TP", N_("East Timor") },
{"TR", N_("Turkey") },
{"TRAVEL", N_("Travel and Tourism") },
{"TT", N_("Trinidad and Tobago") },
{"TV", N_("Tuvalu") },
{"TW", N_("Taiwan") },
{"TZ", N_("Tanzania") },
{"UA", N_("Ukraine") },
{"UG", N_("Uganda") },
{"UK", N_("United Kingdom") },
{"US", N_("United States of America") },
{"UY", N_("Uruguay") },
{"UZ", N_("Uzbekistan") },
{"VA", N_("Vatican City State") },
{"VC", N_("St. Vincent and the Grenadines") },
{"VE", N_("Venezuela") },
{"VG", N_("British Virgin Islands") },
{"VI", N_("US Virgin Islands") },
{"VN", N_("Vietnam") },
{"VU", N_("Vanuatu") },
{"WF", N_("Wallis and Futuna Islands") },
{"WS", N_("Samoa") },
{"XXX", N_("Adult Entertainment") },
{"YE", N_("Yemen") },
{"YT", N_("Mayotte") },
{"YU", N_("Yugoslavia") },
{"ZA", N_("South Africa") },
{"ZM", N_("Zambia") },
{"ZW", N_("Zimbabwe") },
};
char *
country (char *hostname)
{
char *p;
domain_t *dom;
if (!hostname || !*hostname || isdigit ((unsigned char) hostname[strlen (hostname) - 1]))
return NULL;
if ((p = strrchr (hostname, '.')))
p++;
else
p = hostname;
dom = bsearch (p, domain, sizeof (domain) / sizeof (domain_t),
sizeof (domain_t), country_compare);
if (!dom)
return NULL;
return _(dom->country);
}
void
country_search (char *pattern, void *ud, void (*print)(void *, char *, ...))
{
const domain_t *dom;
int i;
for (i = 0; i < sizeof (domain) / sizeof (domain_t); i++)
{
dom = &domain[i];
if (match (pattern, dom->country) || match (pattern, _(dom->country)))
{
print (ud, "%s = %s\n", dom->code, _(dom->country));
}
}
}
void
util_exec (const char *cmd)
{
g_spawn_command_line_async (cmd, NULL);
}
unsigned long
make_ping_time (void)
{
#ifndef WIN32
struct timeval timev;
gettimeofday (&timev, 0);
#else
GTimeVal timev;
g_get_current_time (&timev);
#endif
return (timev.tv_sec - 50000) * 1000 + timev.tv_usec/1000;
}
/************************************************************************
* This technique was borrowed in part from the source code to
* ircd-hybrid-5.3 to implement case-insensitive string matches which
* are fully compliant with Section 2.2 of RFC 1459, the copyright
* of that code being (C) 1990 Jarkko Oikarinen and under the GPL.
*
* A special thanks goes to Mr. Okarinen for being the one person who
* seems to have ever noticed this section in the original RFC and
* written code for it. Shame on all the rest of you (myself included).
*
* --+ Dagmar d'Surreal
*/
int
rfc_casecmp (const char *s1, const char *s2)
{
register unsigned char *str1 = (unsigned char *) s1;
register unsigned char *str2 = (unsigned char *) s2;
register int res;
while ((res = rfc_tolower (*str1) - rfc_tolower (*str2)) == 0)
{
if (*str1 == '\0')
return 0;
str1++;
str2++;
}
return (res);
}
int
rfc_ncasecmp (char *str1, char *str2, int n)
{
register unsigned char *s1 = (unsigned char *) str1;
register unsigned char *s2 = (unsigned char *) str2;
register int res;
while ((res = rfc_tolower (*s1) - rfc_tolower (*s2)) == 0)
{
s1++;
s2++;
n--;
if (n == 0 || (*s1 == '\0' && *s2 == '\0'))
return 0;
}
return (res);
}
const unsigned char rfc_tolowertab[] =
{ 0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa,
0xb, 0xc, 0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14,
0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
0x1e, 0x1f,
' ', '!', '"', '#', '$', '%', '&', 0x27, '(', ')',
'*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
':', ';', '<', '=', '>', '?',
'@', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~',
'_',
'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~',
0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9,
0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9,
0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9,
0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};
/*static unsigned char touppertab[] =
{ 0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa,
0xb, 0xc, 0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14,
0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
0x1e, 0x1f,
' ', '!', '"', '#', '$', '%', '&', 0x27, '(', ')',
'*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
':', ';', '<', '=', '>', '?',
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',
'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^',
0x5f,
'`', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',
'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^',
0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9,
0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9,
0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9,
0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};*/
/*static int
rename_utf8 (char *oldname, char *newname)
{
int sav, res;
char *fso, *fsn;
fso = hexchat_filename_from_utf8 (oldname, -1, 0, 0, 0);
if (!fso)
return FALSE;
fsn = hexchat_filename_from_utf8 (newname, -1, 0, 0, 0);
if (!fsn)
{
g_free (fso);
return FALSE;
}
res = rename (fso, fsn);
sav = errno;
g_free (fso);
g_free (fsn);
errno = sav;
return res;
}
static int
unlink_utf8 (char *fname)
{
int res;
char *fs;
fs = hexchat_filename_from_utf8 (fname, -1, 0, 0, 0);
if (!fs)
return FALSE;
res = unlink (fs);
g_free (fs);
return res;
}*/
static gboolean
file_exists (char *fname)
{
return (g_access (fname, F_OK) == 0) ? TRUE : FALSE;
}
static gboolean
copy_file (char *dl_src, char *dl_dest, int permissions)
{
int tmp_src, tmp_dest;
gboolean ok = FALSE;
char dl_tmp[4096];
int return_tmp, return_tmp2;
if ((tmp_src = g_open (dl_src, O_RDONLY | OFLAGS, 0600)) == -1)
{
g_fprintf (stderr, "Unable to open() file '%s' (%s) !", dl_src,
strerror (errno));
return FALSE;
}
if ((tmp_dest =
g_open (dl_dest, O_WRONLY | O_CREAT | O_TRUNC | OFLAGS, permissions)) < 0)
{
close (tmp_src);
g_fprintf (stderr, "Unable to create file '%s' (%s) !", dl_src,
strerror (errno));
return FALSE;
}
for (;;)
{
return_tmp = read (tmp_src, dl_tmp, sizeof (dl_tmp));
if (!return_tmp)
{
ok = TRUE;
break;
}
if (return_tmp < 0)
{
fprintf (stderr, "download_move_to_completed_dir(): "
"error reading while moving file to save directory (%s)",
strerror (errno));
break;
}
return_tmp2 = write (tmp_dest, dl_tmp, return_tmp);
if (return_tmp2 < 0)
{
fprintf (stderr, "download_move_to_completed_dir(): "
"error writing while moving file to save directory (%s)",
strerror (errno));
break;
}
if (return_tmp < sizeof (dl_tmp))
{
ok = TRUE;
break;
}
}
close (tmp_dest);
close (tmp_src);
return ok;
}
/* Takes care of moving a file from a temporary download location to a completed location. */
void
move_file (char *src_dir, char *dst_dir, char *fname, int dccpermissions)
{
char *src;
char *dst;
int res, i;
/* if dcc_dir and dcc_completed_dir are the same then we are done */
if (0 == strcmp (src_dir, dst_dir) ||
0 == dst_dir[0])
return; /* Already in "completed dir" */
src = g_build_filename (src_dir, fname, NULL);
dst = g_build_filename (dst_dir, fname, NULL);
/* already exists in completed dir? Append a number */
if (file_exists (dst))
{
for (i = 0; ; i++)
{
g_free (dst);
dst = g_strdup_printf ("%s" G_DIR_SEPARATOR_S "%s.%d", dst_dir, fname, i);
if (!file_exists (dst))
break;
}
}
/* first try a simple rename move */
res = g_rename (src, dst);
if (res == -1 && (errno == EXDEV || errno == EPERM))
{
/* link failed because either the two paths aren't on the */
/* same filesystem or the filesystem doesn't support hard */
/* links, so we have to do a copy. */
if (copy_file (src, dst, dccpermissions))
g_unlink (src);
}
g_free (dst);
g_free (src);
}
/* separates a string according to a 'sep' char, then calls the callback
function for each token found */
int
token_foreach (char *str, char sep,
int (*callback) (char *str, void *ud), void *ud)
{
char t, *start = str;
while (1)
{
if (*str == sep || *str == 0)
{
t = *str;
*str = 0;
if (callback (start, ud) < 1)
{
*str = t;
return FALSE;
}
*str = t;
if (*str == 0)
break;
str++;
start = str;
} else
{
/* chars $00-$7f can never be embedded in utf-8 */
str++;
}
}
return TRUE;
}
/* 31 bit string hash functions */
guint32
str_hash (const char *key)
{
const char *p = key;
guint32 h = *p;
if (h)
for (p += 1; *p != '\0'; p++)
h = (h << 5) - h + *p;
return h;
}
guint32
str_ihash (const unsigned char *key)
{
const char *p = key;
guint32 h = rfc_tolowertab [(guint)*p];
if (h)
for (p += 1; *p != '\0'; p++)
h = (h << 5) - h + rfc_tolowertab [(guint)*p];
return h;
}
/* features: 1. "src" must be valid, NULL terminated UTF-8 */
/* 2. "dest" will be left with valid UTF-8 - no partial chars! */
void
safe_strcpy (char *dest, const char *src, int bytes_left)
{
int mbl;
while (1)
{
mbl = g_utf8_skip[*((unsigned char *)src)];
if (bytes_left < (mbl + 1)) /* can't fit with NULL? */
{
*dest = 0;
break;
}
if (mbl == 1) /* one byte char */
{
*dest = *src;
if (*src == 0)
break; /* it all fit */
dest++;
src++;
bytes_left--;
}
else /* multibyte char */
{
memcpy (dest, src, mbl);
dest += mbl;
src += mbl;
bytes_left -= mbl;
}
}
}
void
canonalize_key (char *key)
{
char *pos, token;
for (pos = key; (token = *pos) != 0; pos++)
{
if (token != '_' && (token < '0' || token > '9') && (token < 'A' || token > 'Z') && (token < 'a' || token > 'z'))
{
*pos = '_';
}
else
{
*pos = tolower(token);
}
}
}
int
portable_mode ()
{
#ifdef WIN32
if ((_access( "portable-mode", 0 )) != -1)
{
return 1;
}
else
{
return 0;
}
#else
return 0;
#endif
}
int
unity_mode ()
{
#ifdef G_OS_UNIX
const char *env = g_getenv("XDG_CURRENT_DESKTOP");
if (env && (strcmp (env, "Unity") == 0
|| strcmp (env, "Pantheon") == 0))
return 1;
#endif
return 0;
}
char *
encode_sasl_pass_plain (char *user, char *pass)
{
int authlen;
char *buffer;
char *encoded;
/* we can't call strlen() directly on buffer thanks to the atrocious \0 characters it requires */
authlen = strlen (user) * 2 + 2 + strlen (pass);
buffer = g_strdup_printf ("%s%c%s%c%s", user, '\0', user, '\0', pass);
encoded = g_base64_encode ((unsigned char*) buffer, authlen);
g_free (buffer);
return encoded;
}
#ifdef USE_OPENSSL
/* Adapted from ZNC's SASL module */
static int
parse_dh (char *str, DH **dh_out, unsigned char **secret_out, int *keysize_out)
{
DH *dh;
guchar *data, *decoded_data;
guchar *secret;
gsize data_len;
guint size;
guint16 size16;
BIGNUM *pubkey;
gint key_size;
dh = DH_new();
data = decoded_data = g_base64_decode (str, &data_len);
if (data_len < 2)
goto fail;
/* prime number */
memcpy (&size16, data, sizeof(size16));
size = ntohs (size16);
data += 2;
data_len -= 2;
if (size > data_len)
goto fail;
dh->p = BN_bin2bn (data, size, NULL);
data += size;
/* Generator */
if (data_len < 2)
goto fail;
memcpy (&size16, data, sizeof(size16));
size = ntohs (size16);
data += 2;
data_len -= 2;
if (size > data_len)
goto fail;
dh->g = BN_bin2bn (data, size, NULL);
data += size;
/* pub key */
if (data_len < 2)
goto fail;
memcpy (&size16, data, sizeof(size16));
size = ntohs(size16);
data += 2;
data_len -= 2;
pubkey = BN_bin2bn (data, size, NULL);
if (!(DH_generate_key (dh)))
goto fail;
secret = (unsigned char*)malloc (DH_size(dh));
key_size = DH_compute_key (secret, pubkey, dh);
if (key_size == -1)
goto fail;
g_free (decoded_data);
*dh_out = dh;
*secret_out = secret;
*keysize_out = key_size;
return 1;
fail:
if (decoded_data)
g_free (decoded_data);
return 0;
}
char *
encode_sasl_pass_blowfish (char *user, char *pass, char *data)
{
DH *dh;
char *response, *ret;
unsigned char *secret;
unsigned char *encrypted_pass;
char *plain_pass;
BF_KEY key;
int key_size, length;
int pass_len = strlen (pass) + (8 - (strlen (pass) % 8));
int user_len = strlen (user);
guint16 size16;
char *in_ptr, *out_ptr;
if (!parse_dh (data, &dh, &secret, &key_size))
return NULL;
BF_set_key (&key, key_size, secret);
encrypted_pass = (guchar*)malloc (pass_len);
memset (encrypted_pass, 0, pass_len);
plain_pass = (char*)malloc (pass_len);
memset (plain_pass, 0, pass_len);
memcpy (plain_pass, pass, pass_len);
out_ptr = (char*)encrypted_pass;
in_ptr = (char*)plain_pass;
for (length = pass_len; length; length -= 8, in_ptr += 8, out_ptr += 8)
BF_ecb_encrypt ((unsigned char*)in_ptr, (unsigned char*)out_ptr, &key, BF_ENCRYPT);
/* Create response */
length = 2 + BN_num_bytes (dh->pub_key) + pass_len + user_len + 1;
response = (char*)malloc (length);
out_ptr = response;
/* our key */
size16 = htons ((guint16)BN_num_bytes (dh->pub_key));
memcpy (out_ptr, &size16, sizeof(size16));
out_ptr += 2;
BN_bn2bin (dh->pub_key, (guchar*)out_ptr);
out_ptr += BN_num_bytes (dh->pub_key);
/* username */
memcpy (out_ptr, user, user_len + 1);
out_ptr += user_len + 1;
/* pass */
memcpy (out_ptr, encrypted_pass, pass_len);
ret = g_base64_encode ((const guchar*)response, length);
DH_free (dh);
free (plain_pass);
free (encrypted_pass);
free (secret);
free (response);
return ret;
}
char *
encode_sasl_pass_aes (char *user, char *pass, char *data)
{
DH *dh;
AES_KEY key;
char *response = NULL;
char *out_ptr, *ret = NULL;
unsigned char *secret, *ptr;
unsigned char *encrypted_userpass, *plain_userpass;
int key_size, length;
guint16 size16;
unsigned char iv[16], iv_copy[16];
int user_len = strlen (user) + 1;
int pass_len = strlen (pass) + 1;
int len = user_len + pass_len;
int padlen = 16 - (len % 16);
int userpass_len = len + padlen;
if (!parse_dh (data, &dh, &secret, &key_size))
return NULL;
encrypted_userpass = (guchar*)malloc (userpass_len);
memset (encrypted_userpass, 0, userpass_len);
plain_userpass = (guchar*)malloc (userpass_len);
memset (plain_userpass, 0, userpass_len);
/* create message */
/* format of: <username>\0<password>\0<padding> */
ptr = plain_userpass;
memcpy (ptr, user, user_len);
ptr += user_len;
memcpy (ptr, pass, pass_len);
ptr += pass_len;
if (padlen)
{
/* Padding */
unsigned char randbytes[16];
if (!RAND_bytes (randbytes, padlen))
goto end;
memcpy (ptr, randbytes, padlen);
}
if (!RAND_bytes (iv, sizeof (iv)))
goto end;
memcpy (iv_copy, iv, sizeof(iv));
/* Encrypt */
AES_set_encrypt_key (secret, key_size * 8, &key);
AES_cbc_encrypt(plain_userpass, encrypted_userpass, userpass_len, &key, iv_copy, AES_ENCRYPT);
/* Create response */
/* format of: <size pubkey><pubkey><iv (always 16 bytes)><ciphertext> */
length = 2 + key_size + sizeof(iv) + userpass_len;
response = (char*)malloc (length);
out_ptr = response;
/* our key */
size16 = htons ((guint16)key_size);
memcpy (out_ptr, &size16, sizeof(size16));
out_ptr += 2;
BN_bn2bin (dh->pub_key, (guchar*)out_ptr);
out_ptr += key_size;
/* iv */
memcpy (out_ptr, iv, sizeof(iv));
out_ptr += sizeof(iv);
/* userpass */
memcpy (out_ptr, encrypted_userpass, userpass_len);
ret = g_base64_encode ((const guchar*)response, length);
end:
DH_free (dh);
free (plain_userpass);
free (encrypted_userpass);
free (secret);
if (response)
free (response);
return ret;
}
#endif
#ifdef USE_OPENSSL
static char *
str_sha256hash (char *string)
{
int i;
unsigned char hash[SHA256_DIGEST_LENGTH];
char buf[SHA256_DIGEST_LENGTH * 2 + 1]; /* 64 digit hash + '\0' */
SHA256_CTX sha256;
SHA256_Init (&sha256);
SHA256_Update (&sha256, string, strlen (string));
SHA256_Final (hash, &sha256);
for (i = 0; i < SHA256_DIGEST_LENGTH; i++)
{
sprintf (buf + (i * 2), "%02x", hash[i]);
}
buf[SHA256_DIGEST_LENGTH * 2] = 0;
return g_strdup (buf);
}
/**
* \brief Generate CHALLENGEAUTH response for QuakeNet login.
*
* \param username QuakeNet user name
* \param password password for the user
* \param challenge the CHALLENGE response we got from Q
*
* After a successful connection to QuakeNet a CHALLENGE is requested from Q.
* Generate the CHALLENGEAUTH response from this CHALLENGE and our user
* credentials as per the
* <a href="http://www.quakenet.org/development/challengeauth">CHALLENGEAUTH</a>
* docs. As for using OpenSSL HMAC, see
* <a href="http://www.askyb.com/cpp/openssl-hmac-hasing-example-in-cpp/">example 1</a>,
* <a href="http://stackoverflow.com/questions/242665/understanding-engine-initialization-in-openssl">example 2</a>.
*/
char *
challengeauth_response (char *username, char *password, char *challenge)
{
int i;
char *user;
char *pass;
char *passhash;
char *key;
char *keyhash;
unsigned char *digest;
GString *buf = g_string_new_len (NULL, SHA256_DIGEST_LENGTH * 2);
user = g_strdup (username);
*user = rfc_tolower (*username); /* convert username to lowercase as per the RFC */
pass = g_strndup (password, 10); /* truncate to 10 characters */
passhash = str_sha256hash (pass);
g_free (pass);
key = g_strdup_printf ("%s:%s", user, passhash);
g_free (user);
g_free (passhash);
keyhash = str_sha256hash (key);
g_free (key);
digest = HMAC (EVP_sha256 (), keyhash, strlen (keyhash), (unsigned char *) challenge, strlen (challenge), NULL, NULL);
g_free (keyhash);
for (i = 0; i < SHA256_DIGEST_LENGTH; i++)
{
g_string_append_printf (buf, "%02x", (unsigned int) digest[i]);
}
digest = (unsigned char *) g_string_free (buf, FALSE);
return (char *) digest;
}
#endif
/**
* \brief Wrapper around strftime for Windows
*
* Prevents crashing when using an invalid format by escaping them.
*
* Behaves the same as strftime with the addition that
* it returns 0 if the escaped format string is too large.
*
* Based upon work from znc-msvc project.
*
* This assumes format is a locale-encoded string. For utf-8 strings, use strftime_utf8
*/
size_t
strftime_validated (char *dest, size_t destsize, const char *format, const struct tm *time)
{
#ifndef WIN32
return strftime (dest, destsize, format, time);
#else
char safe_format[64];
const char *p = format;
int i = 0;
if (strlen (format) >= sizeof(safe_format))
return 0;
memset (safe_format, 0, sizeof(safe_format));
while (*p)
{
if (*p == '%')
{
int has_hash = (*(p + 1) == '#');
char c = *(p + (has_hash ? 2 : 1));
if (i >= sizeof (safe_format))
return 0;
switch (c)
{
case 'a': case 'A': case 'b': case 'B': case 'c': case 'd': case 'H': case 'I': case 'j': case 'm': case 'M':
case 'p': case 'S': case 'U': case 'w': case 'W': case 'x': case 'X': case 'y': case 'Y': case 'z': case 'Z':
case '%':
/* formatting code is fine */
break;
default:
/* replace bad formatting code with itself, escaped, e.g. "%V" --> "%%V" */
g_strlcat (safe_format, "%%", sizeof(safe_format));
i += 2;
p++;
break;
}
/* the current loop run will append % (and maybe #) and the next one will do the actual char. */
if (has_hash)
{
safe_format[i] = *p;
p++;
i++;
}
if (c == '%')
{
safe_format[i] = *p;
p++;
i++;
}
}
if (*p)
{
safe_format[i] = *p;
p++;
i++;
}
}
return strftime (dest, destsize, safe_format, time);
#endif
}
/**
* \brief Similar to strftime except it works with utf-8 formats, since strftime treats the format as locale-encoded.
*/
gsize
strftime_utf8 (char *dest, gsize destsize, const char *format, time_t time)
{
gsize result;
GDate* date = g_date_new ();
g_date_set_time_t (date, time);
result = g_date_strftime (dest, destsize, format, date);
g_date_free (date);
return result;
}
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