/[svn]/ircd-hybrid/src/s_misc.c
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Annotation of /ircd-hybrid/src/s_misc.c

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Revision 30 - (hide annotations)
Sun Oct 2 20:03:27 2005 UTC (15 years, 7 months ago) by adx
File MIME type: text/x-chdr
File size: 4004 byte(s)
- imported sources
- can be moved later according to the directory/branching scheme,
  but we need the svn up

1 adx 30 /*
2     * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3     * s_misc.c: Yet another miscellaneous functions file.
4     *
5     * Copyright (C) 2002 by the past and present ircd coders, and others.
6     *
7     * This program is free software; you can redistribute it and/or modify
8     * it under the terms of the GNU General Public License as published by
9     * the Free Software Foundation; either version 2 of the License, or
10     * (at your option) any later version.
11     *
12     * This program is distributed in the hope that it will be useful,
13     * but WITHOUT ANY WARRANTY; without even the implied warranty of
14     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15     * GNU General Public License for more details.
16     *
17     * You should have received a copy of the GNU General Public License
18     * along with this program; if not, write to the Free Software
19     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20     * USA
21     *
22     * $Id: s_misc.c,v 7.37 2005/09/11 11:31:43 michael Exp $
23     */
24    
25     #include "stdinc.h"
26     #include "s_misc.h"
27     #include "client.h"
28     #include "common.h"
29     #include "irc_string.h"
30     #include "sprintf_irc.h"
31     #include "ircd.h"
32     #include "numeric.h"
33     #include "irc_res.h"
34     #include "fdlist.h"
35     #include "s_bsd.h"
36     #include "s_conf.h"
37     #include "s_serv.h"
38     #include "send.h"
39     #include "memory.h"
40    
41    
42     static const char *months[] =
43     {
44     "January", "February", "March", "April",
45     "May", "June", "July", "August",
46     "September", "October", "November","December"
47     };
48    
49     static const char *weekdays[] =
50     {
51     "Sunday", "Monday", "Tuesday", "Wednesday",
52     "Thursday", "Friday", "Saturday"
53     };
54    
55     char *
56     date(time_t lclock)
57     {
58     static char buf[80], plus;
59     struct tm *lt, *gm;
60     struct tm gmbuf;
61     int minswest;
62    
63     if (!lclock)
64     lclock = CurrentTime;
65     gm = gmtime(&lclock);
66     memcpy(&gmbuf, gm, sizeof(gmbuf));
67     gm = &gmbuf;
68     lt = localtime(&lclock);
69    
70     /*
71     * There is unfortunately no clean portable way to extract time zone
72     * offset information, so do ugly things.
73     */
74     minswest = (gm->tm_hour - lt->tm_hour) * 60 + (gm->tm_min - lt->tm_min);
75    
76     if (lt->tm_yday != gm->tm_yday)
77     {
78     if ((lt->tm_yday > gm->tm_yday && lt->tm_year == gm->tm_year) ||
79     (lt->tm_yday < gm->tm_yday && lt->tm_year != gm->tm_year))
80     minswest -= 24 * 60;
81     else
82     minswest += 24 * 60;
83     }
84    
85     plus = (minswest > 0) ? '-' : '+';
86     if (minswest < 0)
87     minswest = -minswest;
88    
89     ircsprintf(buf, "%s %s %d %d -- %02u:%02u:%02u %c%02u:%02u",
90     weekdays[lt->tm_wday], months[lt->tm_mon],lt->tm_mday,
91     lt->tm_year + 1900, lt->tm_hour, lt->tm_min, lt->tm_sec,
92     plus, minswest/60, minswest%60);
93     return buf;
94     }
95    
96     const char *
97     smalldate(time_t lclock)
98     {
99     static char buf[MAX_DATE_STRING];
100     struct tm *lt, *gm;
101     struct tm gmbuf;
102    
103     if (!lclock)
104     lclock = CurrentTime;
105    
106     gm = gmtime(&lclock);
107     memcpy(&gmbuf, gm, sizeof(gmbuf));
108     gm = &gmbuf;
109     lt = localtime(&lclock);
110    
111     ircsprintf(buf, "%d/%d/%d %02d.%02d",
112     lt->tm_year + 1900, lt->tm_mon + 1, lt->tm_mday,
113     lt->tm_hour, lt->tm_min);
114    
115     return buf;
116     }
117    
118     /* small_file_date()
119     * Make a small YYYYMMDD formatted string suitable for a
120     * dated file stamp.
121     */
122     char *
123     small_file_date(time_t lclock)
124     {
125     static char timebuffer[MAX_DATE_STRING];
126     struct tm *tmptr;
127    
128     if (!lclock)
129     time(&lclock);
130    
131     tmptr = localtime(&lclock);
132     strftime(timebuffer, MAX_DATE_STRING, "%Y%m%d", tmptr);
133    
134     return timebuffer;
135     }
136    
137     #ifdef HAVE_LIBCRYPTO
138     char *
139     ssl_get_cipher(SSL *ssl)
140     {
141     static char buffer[128];
142     const char *name = NULL;
143     int bits;
144    
145     switch (ssl->session->ssl_version)
146     {
147     case SSL2_VERSION:
148     name = "SSLv2";
149     break;
150    
151     case SSL3_VERSION:
152     name = "SSLv3";
153     break;
154    
155     case TLS1_VERSION:
156     name = "TLSv1";
157     break;
158    
159     default:
160     name = "UNKNOWN";
161     }
162    
163     SSL_CIPHER_get_bits(SSL_get_current_cipher(ssl), &bits);
164    
165     snprintf(buffer, sizeof(buffer), "%s %s-%d",
166     name, SSL_get_cipher(ssl), bits);
167    
168     return buffer;
169     }
170     #endif

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