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1 | /* | |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_time.c: Sends the current time on the server. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | */ | |
24 | ||
25 | #include "stdinc.h" | |
26 | #include "client.h" | |
27 | #include "ircd.h" | |
28 | #include "numeric.h" | |
29 | #include "s_conf.h" | |
30 | #include "s_serv.h" | |
31 | #include "send.h" | |
32 | #include "msg.h" | |
33 | #include "parse.h" | |
34 | #include "modules.h" | |
35 | #include "packet.h" | |
36 | ||
37 | static const char time_desc[] = | |
38 | "Provides the TIME command to show the current server time"; | |
39 | ||
40 | static void m_time(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
41 | static char *date(void); | |
42 | ||
43 | struct Message time_msgtab = { | |
44 | "TIME", 0, 0, 0, 0, | |
45 | {mg_unreg, {m_time, 0}, {m_time, 2}, mg_ignore, mg_ignore, {m_time, 0}} | |
46 | }; | |
47 | ||
48 | mapi_clist_av1 time_clist[] = { &time_msgtab, NULL }; | |
49 | DECLARE_MODULE_AV2(time, NULL, NULL, time_clist, NULL, NULL, NULL, NULL, time_desc); | |
50 | ||
51 | static const char *months[] = { | |
52 | "January", "February", "March", "April", | |
53 | "May", "June", "July", "August", | |
54 | "September", "October", "November", "December" | |
55 | }; | |
56 | ||
57 | static const char *weekdays[] = { | |
58 | "Sunday", "Monday", "Tuesday", "Wednesday", | |
59 | "Thursday", "Friday", "Saturday" | |
60 | }; | |
61 | ||
62 | /* | |
63 | * m_time | |
64 | * parv[1] = servername | |
65 | */ | |
66 | static void | |
67 | m_time(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
68 | { | |
69 | /* this is not rate limited, so end the grace period */ | |
70 | if(MyClient(source_p) && !IsFloodDone(source_p)) | |
71 | flood_endgrace(source_p); | |
72 | ||
73 | if(hunt_server(client_p, source_p, ":%s TIME :%s", 1, parc, parv) == HUNTED_ISME) | |
74 | sendto_one_numeric(source_p, RPL_TIME, form_str(RPL_TIME), | |
75 | me.name, date()); | |
76 | } | |
77 | ||
78 | /* date() | |
79 | * | |
80 | * returns date in human readable form | |
81 | */ | |
82 | static char * | |
83 | date(void) | |
84 | { | |
85 | static char buf[80]; | |
86 | char plus; | |
87 | struct tm *lt; | |
88 | struct tm *gm; | |
89 | struct tm gmbuf; | |
90 | time_t lclock; | |
91 | int minswest; | |
92 | ||
93 | lclock = rb_current_time(); | |
94 | gm = gmtime(&lclock); | |
95 | memcpy((void *) &gmbuf, (void *) gm, sizeof(gmbuf)); | |
96 | gm = &gmbuf; | |
97 | lt = localtime(&lclock); | |
98 | ||
99 | if(lt->tm_yday == gm->tm_yday) | |
100 | minswest = (gm->tm_hour - lt->tm_hour) * 60 + (gm->tm_min - lt->tm_min); | |
101 | else if(lt->tm_yday > gm->tm_yday && lt->tm_year == gm->tm_year) | |
102 | minswest = (gm->tm_hour - (lt->tm_hour + 24)) * 60; | |
103 | else | |
104 | minswest = ((gm->tm_hour + 24) - lt->tm_hour) * 60; | |
105 | ||
106 | plus = (minswest > 0) ? '-' : '+'; | |
107 | ||
108 | if(minswest < 0) | |
109 | minswest = -minswest; | |
110 | ||
111 | sprintf(buf, "%s %s %d %d -- %02u:%02u:%02u %c%02u:%02u", | |
112 | weekdays[lt->tm_wday], months[lt->tm_mon], lt->tm_mday, | |
113 | lt->tm_year + 1900, lt->tm_hour, lt->tm_min, lt->tm_sec, | |
114 | plus, (unsigned int)minswest / 60, (unsigned int)minswest % 60); | |
115 | ||
116 | return buf; | |
117 | } |